[ 25.732339][ T237] modprobe (237) used greatest stack depth: 24416 bytes left [ 29.512888][ T279] 8021q: 802.1Q VLAN Support v1.8 [ 33.812612][ T312] br0: port 1(veth1) entered blocking state [ 33.813067][ T312] br0: port 1(veth1) entered disabled state [ 33.813637][ T312] veth1: entered allmulticast mode [ 33.815606][ T312] veth1: entered promiscuous mode [ 33.957776][ T62] br0: port 1(veth1) entered blocking state [ 33.958248][ T62] br0: port 1(veth1) entered forwarding state [ 34.242309][ T315] br0: port 2(veth2) entered blocking state [ 34.242583][ T315] br0: port 2(veth2) entered disabled state [ 34.249215][ T315] veth2: entered allmulticast mode [ 34.252908][ T315] veth2: entered promiscuous mode [ 34.400933][ T49] br0: port 2(veth2) entered blocking state [ 34.401215][ T49] br0: port 2(veth2) entered forwarding state [ 127.816724][ T2082] br0: port 2(veth2) entered disabled state [ 127.959471][ T2083] veth2: left allmulticast mode [ 127.959707][ T2083] veth2: left promiscuous mode [ 127.959983][ T2083] br0: port 2(veth2) entered disabled state [ 128.106916][ T2084] br0: port 1(veth1) entered disabled state [ 128.269433][ T2085] veth1: left allmulticast mode [ 128.269652][ T2085] veth1: left promiscuous mode [ 128.269935][ T2085] br0: port 1(veth1) entered disabled state [ 129.331592][ T2095] br0: port 1(veth1) entered blocking state [ 129.331940][ T2095] br0: port 1(veth1) entered disabled state [ 129.332194][ T2095] veth1: entered allmulticast mode [ 129.334020][ T2095] veth1: entered promiscuous mode [ 129.490636][ T49] br0: port 1(veth1) entered blocking state [ 129.491241][ T49] br0: port 1(veth1) entered forwarding state [ 130.046274][ T2100] br0: port 2(veth2) entered blocking state [ 130.046541][ T2100] br0: port 2(veth2) entered disabled state [ 130.046815][ T2100] veth2: entered allmulticast mode [ 130.048629][ T2100] veth2: entered promiscuous mode [ 130.185742][ T49] br0: port 2(veth2) entered blocking state [ 130.185998][ T49] br0: port 2(veth2) entered forwarding state [ 223.934269][ T3875] br0: port 2(veth2) entered disabled state [ 224.085063][ T3876] veth2: left allmulticast mode [ 224.085342][ T3876] veth2: left promiscuous mode [ 224.085610][ T3876] br0: port 2(veth2) entered disabled state [ 224.218041][ T3877] br0: port 1(veth1) entered disabled state [ 224.357431][ T3878] veth1: left allmulticast mode [ 224.357635][ T3878] veth1: left promiscuous mode [ 224.358171][ T3878] br0: port 1(veth1) entered disabled state [ 225.403400][ T3888] br0: port 1(veth1) entered blocking state [ 225.403778][ T3888] br0: port 1(veth1) entered disabled state [ 225.404033][ T3888] veth1: entered allmulticast mode [ 225.406614][ T3888] veth1: entered promiscuous mode [ 225.552619][ T49] br0: port 1(veth1) entered blocking state [ 225.552896][ T49] br0: port 1(veth1) entered forwarding state [ 226.123439][ T3893] br0: port 2(veth2) entered blocking state [ 226.124533][ T3893] br0: port 2(veth2) entered disabled state [ 226.124802][ T3893] veth2: entered allmulticast mode [ 226.126602][ T3893] veth2: entered promiscuous mode [ 226.269737][ T49] br0: port 2(veth2) entered blocking state [ 226.270014][ T49] br0: port 2(veth2) entered forwarding state [ 426.278427][ T7679] br0: port 2(veth2) entered disabled state [ 426.409081][ T7680] veth2: left allmulticast mode [ 426.409288][ T7680] veth2: left promiscuous mode [ 426.409562][ T7680] br0: port 2(veth2) entered disabled state [ 426.548079][ T7681] br0: port 1(veth1) entered disabled state [ 426.689166][ T7682] veth1: left allmulticast mode [ 426.689516][ T7682] veth1: left promiscuous mode [ 426.689802][ T7682] br0: port 1(veth1) entered disabled state [ 439.612903][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 439.613424][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 439.613424][ T7704] netdev_get_by_index+0x5e/0x80 [ 439.613424][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 439.613424][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 439.613424][ T7704] ip6_route_add+0x1c/0x140 [ 439.613424][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 439.613424][ T7704] inet6_addr_add+0x4f8/0xa40 [ 439.613424][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 439.613424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.613424][ T7704] netlink_rcv_skb+0x130/0x360 [ 439.613424][ T7704] netlink_unicast+0x449/0x710 [ 439.613424][ T7704] netlink_sendmsg+0x723/0xbe0 [ 439.613424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 439.613424][ T7704] ___sys_sendmsg+0xee/0x170 [ 439.613424][ T7704] __sys_sendmsg+0xcd/0x170 [ 439.613424][ T7704] do_syscall_64+0xc6/0x1e0 [ 439.613424][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.613424][ T7704] [ 439.616308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 439.616308][ T7704] netdev_get_by_index+0x5e/0x80 [ 439.616308][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 439.616308][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 439.616308][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 439.616308][ T7704] ipv6_add_addr+0x411/0x2000 [ 439.616308][ T7704] inet6_addr_add+0x30e/0xa40 [ 439.616308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 439.616308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.616308][ T7704] netlink_rcv_skb+0x130/0x360 [ 439.616308][ T7704] netlink_unicast+0x449/0x710 [ 439.616308][ T7704] netlink_sendmsg+0x723/0xbe0 [ 439.616308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 439.616308][ T7704] ___sys_sendmsg+0xee/0x170 [ 439.616308][ T7704] __sys_sendmsg+0xcd/0x170 [ 439.616308][ T7704] do_syscall_64+0xc6/0x1e0 [ 439.616308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.616308][ T7704] [ 439.618734][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 439.618734][ T7704] netdev_get_by_index+0x5e/0x80 [ 439.618734][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 439.618734][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 439.618734][ T7704] ip6_route_add+0x1c/0x140 [ 439.618734][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 439.618734][ T7704] addrconf_add_dev+0xe2/0x170 [ 439.618734][ T7704] inet6_addr_add+0x12f/0xa40 [ 439.618734][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 439.618734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.618734][ T7704] netlink_rcv_skb+0x130/0x360 [ 439.618734][ T7704] netlink_unicast+0x449/0x710 [ 439.618734][ T7704] netlink_sendmsg+0x723/0xbe0 [ 439.618734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 439.618734][ T7704] ___sys_sendmsg+0xee/0x170 [ 439.618734][ T7704] __sys_sendmsg+0xcd/0x170 [ 439.618734][ T7704] do_syscall_64+0xc6/0x1e0 [ 439.618734][ T7704] [ 439.621065][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 439.621065][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 439.621065][ T7704] ipv6_find_idev+0x102/0x170 [ 439.621065][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.621065][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.621065][ T7704] netlink_rcv_skb+0x130/0x360 [ 439.621065][ T7704] netlink_unicast+0x449/0x710 [ 439.621065][ T7704] netlink_sendmsg+0x723/0xbe0 [ 439.621065][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 439.621065][ T7704] ___sys_sendmsg+0xee/0x170 [ 439.621065][ T7704] __sys_sendmsg+0xcd/0x170 [ 439.621065][ T7704] do_syscall_64+0xc6/0x1e0 [ 439.621065][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.621065][ T7704] [ 439.622854][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 439.622854][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 439.622854][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 439.622854][ T7704] ipv6_find_idev+0x102/0x170 [ 439.622854][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.622854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.622854][ T7704] netlink_rcv_skb+0x130/0x360 [ 439.622854][ T7704] netlink_unicast+0x449/0x710 [ 439.622854][ T7704] netlink_sendmsg+0x723/0xbe0 [ 439.622854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 439.622854][ T7704] ___sys_sendmsg+0xee/0x170 [ 439.622854][ T7704] __sys_sendmsg+0xcd/0x170 [ 439.622854][ T7704] do_syscall_64+0xc6/0x1e0 [ 439.622854][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.622854][ T7704] [ 449.732860][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 449.733368][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 449.733368][ T7704] netdev_get_by_index+0x5e/0x80 [ 449.733368][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 449.733368][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 449.733368][ T7704] ip6_route_add+0x1c/0x140 [ 449.733368][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 449.733368][ T7704] inet6_addr_add+0x4f8/0xa40 [ 449.733368][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 449.733368][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.733368][ T7704] netlink_rcv_skb+0x130/0x360 [ 449.733368][ T7704] netlink_unicast+0x449/0x710 [ 449.733368][ T7704] netlink_sendmsg+0x723/0xbe0 [ 449.733368][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 449.733368][ T7704] ___sys_sendmsg+0xee/0x170 [ 449.733368][ T7704] __sys_sendmsg+0xcd/0x170 [ 449.733368][ T7704] do_syscall_64+0xc6/0x1e0 [ 449.733368][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.733368][ T7704] [ 449.735740][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 449.735740][ T7704] netdev_get_by_index+0x5e/0x80 [ 449.735740][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 449.735740][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 449.735740][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 449.735740][ T7704] ipv6_add_addr+0x411/0x2000 [ 449.735740][ T7704] inet6_addr_add+0x30e/0xa40 [ 449.735740][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 449.735740][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.735740][ T7704] netlink_rcv_skb+0x130/0x360 [ 449.735740][ T7704] netlink_unicast+0x449/0x710 [ 449.735740][ T7704] netlink_sendmsg+0x723/0xbe0 [ 449.735740][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 449.735740][ T7704] ___sys_sendmsg+0xee/0x170 [ 449.735740][ T7704] __sys_sendmsg+0xcd/0x170 [ 449.735740][ T7704] do_syscall_64+0xc6/0x1e0 [ 449.735740][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.735740][ T7704] [ 449.738092][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 449.738092][ T7704] netdev_get_by_index+0x5e/0x80 [ 449.738092][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 449.738092][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 449.738092][ T7704] ip6_route_add+0x1c/0x140 [ 449.738092][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 449.738092][ T7704] addrconf_add_dev+0xe2/0x170 [ 449.738092][ T7704] inet6_addr_add+0x12f/0xa40 [ 449.738092][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 449.738092][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.738092][ T7704] netlink_rcv_skb+0x130/0x360 [ 449.738092][ T7704] netlink_unicast+0x449/0x710 [ 449.738092][ T7704] netlink_sendmsg+0x723/0xbe0 [ 449.738092][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 449.738092][ T7704] ___sys_sendmsg+0xee/0x170 [ 449.738092][ T7704] __sys_sendmsg+0xcd/0x170 [ 449.738092][ T7704] do_syscall_64+0xc6/0x1e0 [ 449.738092][ T7704] [ 449.740361][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 449.740361][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 449.740361][ T7704] ipv6_find_idev+0x102/0x170 [ 449.740361][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.740361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.740361][ T7704] netlink_rcv_skb+0x130/0x360 [ 449.740361][ T7704] netlink_unicast+0x449/0x710 [ 449.740361][ T7704] netlink_sendmsg+0x723/0xbe0 [ 449.740361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 449.740361][ T7704] ___sys_sendmsg+0xee/0x170 [ 449.740361][ T7704] __sys_sendmsg+0xcd/0x170 [ 449.740361][ T7704] do_syscall_64+0xc6/0x1e0 [ 449.740361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.740361][ T7704] [ 449.742162][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 449.742162][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 449.742162][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 449.742162][ T7704] ipv6_find_idev+0x102/0x170 [ 449.742162][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.742162][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.742162][ T7704] netlink_rcv_skb+0x130/0x360 [ 449.742162][ T7704] netlink_unicast+0x449/0x710 [ 449.742162][ T7704] netlink_sendmsg+0x723/0xbe0 [ 449.742162][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 449.742162][ T7704] ___sys_sendmsg+0xee/0x170 [ 449.742162][ T7704] __sys_sendmsg+0xcd/0x170 [ 449.742162][ T7704] do_syscall_64+0xc6/0x1e0 [ 449.742162][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.742162][ T7704] [ 460.332993][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 460.333481][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 460.333481][ T7704] netdev_get_by_index+0x5e/0x80 [ 460.333481][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 460.333481][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 460.333481][ T7704] ip6_route_add+0x1c/0x140 [ 460.333481][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 460.333481][ T7704] inet6_addr_add+0x4f8/0xa40 [ 460.333481][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 460.333481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.333481][ T7704] netlink_rcv_skb+0x130/0x360 [ 460.333481][ T7704] netlink_unicast+0x449/0x710 [ 460.333481][ T7704] netlink_sendmsg+0x723/0xbe0 [ 460.333481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 460.333481][ T7704] ___sys_sendmsg+0xee/0x170 [ 460.333481][ T7704] __sys_sendmsg+0xcd/0x170 [ 460.333481][ T7704] do_syscall_64+0xc6/0x1e0 [ 460.333481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.333481][ T7704] [ 460.335894][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 460.335894][ T7704] netdev_get_by_index+0x5e/0x80 [ 460.335894][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 460.335894][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 460.335894][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 460.335894][ T7704] ipv6_add_addr+0x411/0x2000 [ 460.335894][ T7704] inet6_addr_add+0x30e/0xa40 [ 460.335894][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 460.335894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.335894][ T7704] netlink_rcv_skb+0x130/0x360 [ 460.335894][ T7704] netlink_unicast+0x449/0x710 [ 460.335894][ T7704] netlink_sendmsg+0x723/0xbe0 [ 460.335894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 460.335894][ T7704] ___sys_sendmsg+0xee/0x170 [ 460.335894][ T7704] __sys_sendmsg+0xcd/0x170 [ 460.335894][ T7704] do_syscall_64+0xc6/0x1e0 [ 460.335894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.335894][ T7704] [ 460.338246][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 460.338246][ T7704] netdev_get_by_index+0x5e/0x80 [ 460.338246][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 460.338246][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 460.338246][ T7704] ip6_route_add+0x1c/0x140 [ 460.338246][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 460.338246][ T7704] addrconf_add_dev+0xe2/0x170 [ 460.338246][ T7704] inet6_addr_add+0x12f/0xa40 [ 460.338246][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 460.338246][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.338246][ T7704] netlink_rcv_skb+0x130/0x360 [ 460.338246][ T7704] netlink_unicast+0x449/0x710 [ 460.338246][ T7704] netlink_sendmsg+0x723/0xbe0 [ 460.338246][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 460.338246][ T7704] ___sys_sendmsg+0xee/0x170 [ 460.338246][ T7704] __sys_sendmsg+0xcd/0x170 [ 460.338246][ T7704] do_syscall_64+0xc6/0x1e0 [ 460.338246][ T7704] [ 460.340520][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 460.340520][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 460.340520][ T7704] ipv6_find_idev+0x102/0x170 [ 460.340520][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 460.340520][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.340520][ T7704] netlink_rcv_skb+0x130/0x360 [ 460.340520][ T7704] netlink_unicast+0x449/0x710 [ 460.340520][ T7704] netlink_sendmsg+0x723/0xbe0 [ 460.340520][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 460.340520][ T7704] ___sys_sendmsg+0xee/0x170 [ 460.340520][ T7704] __sys_sendmsg+0xcd/0x170 [ 460.340520][ T7704] do_syscall_64+0xc6/0x1e0 [ 460.340520][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.340520][ T7704] [ 460.342309][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 460.342309][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 460.342309][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 460.342309][ T7704] ipv6_find_idev+0x102/0x170 [ 460.342309][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 460.342309][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.342309][ T7704] netlink_rcv_skb+0x130/0x360 [ 460.342309][ T7704] netlink_unicast+0x449/0x710 [ 460.342309][ T7704] netlink_sendmsg+0x723/0xbe0 [ 460.342309][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 460.342309][ T7704] ___sys_sendmsg+0xee/0x170 [ 460.342309][ T7704] __sys_sendmsg+0xcd/0x170 [ 460.342309][ T7704] do_syscall_64+0xc6/0x1e0 [ 460.342309][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.342309][ T7704] [ 470.404903][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 470.405452][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 470.405452][ T7704] netdev_get_by_index+0x5e/0x80 [ 470.405452][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 470.405452][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 470.405452][ T7704] ip6_route_add+0x1c/0x140 [ 470.405452][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 470.405452][ T7704] inet6_addr_add+0x4f8/0xa40 [ 470.405452][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 470.405452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.405452][ T7704] netlink_rcv_skb+0x130/0x360 [ 470.405452][ T7704] netlink_unicast+0x449/0x710 [ 470.405452][ T7704] netlink_sendmsg+0x723/0xbe0 [ 470.405452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 470.405452][ T7704] ___sys_sendmsg+0xee/0x170 [ 470.405452][ T7704] __sys_sendmsg+0xcd/0x170 [ 470.405452][ T7704] do_syscall_64+0xc6/0x1e0 [ 470.405452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.405452][ T7704] [ 470.407820][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 470.407820][ T7704] netdev_get_by_index+0x5e/0x80 [ 470.407820][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 470.407820][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 470.407820][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 470.407820][ T7704] ipv6_add_addr+0x411/0x2000 [ 470.407820][ T7704] inet6_addr_add+0x30e/0xa40 [ 470.407820][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 470.407820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.407820][ T7704] netlink_rcv_skb+0x130/0x360 [ 470.407820][ T7704] netlink_unicast+0x449/0x710 [ 470.407820][ T7704] netlink_sendmsg+0x723/0xbe0 [ 470.407820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 470.407820][ T7704] ___sys_sendmsg+0xee/0x170 [ 470.407820][ T7704] __sys_sendmsg+0xcd/0x170 [ 470.407820][ T7704] do_syscall_64+0xc6/0x1e0 [ 470.407820][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.407820][ T7704] [ 470.410153][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 470.410153][ T7704] netdev_get_by_index+0x5e/0x80 [ 470.410153][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 470.410153][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 470.410153][ T7704] ip6_route_add+0x1c/0x140 [ 470.410153][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 470.410153][ T7704] addrconf_add_dev+0xe2/0x170 [ 470.410153][ T7704] inet6_addr_add+0x12f/0xa40 [ 470.410153][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 470.410153][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.410153][ T7704] netlink_rcv_skb+0x130/0x360 [ 470.410153][ T7704] netlink_unicast+0x449/0x710 [ 470.410153][ T7704] netlink_sendmsg+0x723/0xbe0 [ 470.410153][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 470.410153][ T7704] ___sys_sendmsg+0xee/0x170 [ 470.410153][ T7704] __sys_sendmsg+0xcd/0x170 [ 470.410153][ T7704] do_syscall_64+0xc6/0x1e0 [ 470.410153][ T7704] [ 470.412432][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 470.412432][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 470.412432][ T7704] ipv6_find_idev+0x102/0x170 [ 470.412432][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 470.412432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.412432][ T7704] netlink_rcv_skb+0x130/0x360 [ 470.412432][ T7704] netlink_unicast+0x449/0x710 [ 470.412432][ T7704] netlink_sendmsg+0x723/0xbe0 [ 470.412432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 470.412432][ T7704] ___sys_sendmsg+0xee/0x170 [ 470.412432][ T7704] __sys_sendmsg+0xcd/0x170 [ 470.412432][ T7704] do_syscall_64+0xc6/0x1e0 [ 470.412432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.412432][ T7704] [ 470.414218][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 470.414218][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 470.414218][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 470.414218][ T7704] ipv6_find_idev+0x102/0x170 [ 470.414218][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 470.414218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.414218][ T7704] netlink_rcv_skb+0x130/0x360 [ 470.414218][ T7704] netlink_unicast+0x449/0x710 [ 470.414218][ T7704] netlink_sendmsg+0x723/0xbe0 [ 470.414218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 470.414218][ T7704] ___sys_sendmsg+0xee/0x170 [ 470.414218][ T7704] __sys_sendmsg+0xcd/0x170 [ 470.414218][ T7704] do_syscall_64+0xc6/0x1e0 [ 470.414218][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.414218][ T7704] [ 480.588805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 480.589292][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 480.589292][ T7704] netdev_get_by_index+0x5e/0x80 [ 480.589292][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 480.589292][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 480.589292][ T7704] ip6_route_add+0x1c/0x140 [ 480.589292][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 480.589292][ T7704] inet6_addr_add+0x4f8/0xa40 [ 480.589292][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 480.589292][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.589292][ T7704] netlink_rcv_skb+0x130/0x360 [ 480.589292][ T7704] netlink_unicast+0x449/0x710 [ 480.589292][ T7704] netlink_sendmsg+0x723/0xbe0 [ 480.589292][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 480.589292][ T7704] ___sys_sendmsg+0xee/0x170 [ 480.589292][ T7704] __sys_sendmsg+0xcd/0x170 [ 480.589292][ T7704] do_syscall_64+0xc6/0x1e0 [ 480.589292][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.589292][ T7704] [ 480.591684][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 480.591684][ T7704] netdev_get_by_index+0x5e/0x80 [ 480.591684][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 480.591684][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 480.591684][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 480.591684][ T7704] ipv6_add_addr+0x411/0x2000 [ 480.591684][ T7704] inet6_addr_add+0x30e/0xa40 [ 480.591684][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 480.591684][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.591684][ T7704] netlink_rcv_skb+0x130/0x360 [ 480.591684][ T7704] netlink_unicast+0x449/0x710 [ 480.591684][ T7704] netlink_sendmsg+0x723/0xbe0 [ 480.591684][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 480.591684][ T7704] ___sys_sendmsg+0xee/0x170 [ 480.591684][ T7704] __sys_sendmsg+0xcd/0x170 [ 480.591684][ T7704] do_syscall_64+0xc6/0x1e0 [ 480.591684][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.591684][ T7704] [ 480.594013][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 480.594013][ T7704] netdev_get_by_index+0x5e/0x80 [ 480.594013][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 480.594013][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 480.594013][ T7704] ip6_route_add+0x1c/0x140 [ 480.594013][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 480.594013][ T7704] addrconf_add_dev+0xe2/0x170 [ 480.594013][ T7704] inet6_addr_add+0x12f/0xa40 [ 480.594013][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 480.594013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.594013][ T7704] netlink_rcv_skb+0x130/0x360 [ 480.594013][ T7704] netlink_unicast+0x449/0x710 [ 480.594013][ T7704] netlink_sendmsg+0x723/0xbe0 [ 480.594013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 480.594013][ T7704] ___sys_sendmsg+0xee/0x170 [ 480.594013][ T7704] __sys_sendmsg+0xcd/0x170 [ 480.594013][ T7704] do_syscall_64+0xc6/0x1e0 [ 480.594013][ T7704] [ 480.596325][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 480.596325][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 480.596325][ T7704] ipv6_find_idev+0x102/0x170 [ 480.596325][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.596325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.596325][ T7704] netlink_rcv_skb+0x130/0x360 [ 480.596325][ T7704] netlink_unicast+0x449/0x710 [ 480.596325][ T7704] netlink_sendmsg+0x723/0xbe0 [ 480.596325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 480.596325][ T7704] ___sys_sendmsg+0xee/0x170 [ 480.596325][ T7704] __sys_sendmsg+0xcd/0x170 [ 480.596325][ T7704] do_syscall_64+0xc6/0x1e0 [ 480.596325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.596325][ T7704] [ 480.598153][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 480.598153][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 480.598153][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 480.598153][ T7704] ipv6_find_idev+0x102/0x170 [ 480.598153][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.598153][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.598153][ T7704] netlink_rcv_skb+0x130/0x360 [ 480.598153][ T7704] netlink_unicast+0x449/0x710 [ 480.598153][ T7704] netlink_sendmsg+0x723/0xbe0 [ 480.598153][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 480.598153][ T7704] ___sys_sendmsg+0xee/0x170 [ 480.598153][ T7704] __sys_sendmsg+0xcd/0x170 [ 480.598153][ T7704] do_syscall_64+0xc6/0x1e0 [ 480.598153][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.598153][ T7704] [ 490.684832][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 490.685342][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 490.685342][ T7704] netdev_get_by_index+0x5e/0x80 [ 490.685342][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 490.685342][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 490.685342][ T7704] ip6_route_add+0x1c/0x140 [ 490.685342][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 490.685342][ T7704] inet6_addr_add+0x4f8/0xa40 [ 490.685342][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 490.685342][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.685342][ T7704] netlink_rcv_skb+0x130/0x360 [ 490.685342][ T7704] netlink_unicast+0x449/0x710 [ 490.685342][ T7704] netlink_sendmsg+0x723/0xbe0 [ 490.685342][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 490.685342][ T7704] ___sys_sendmsg+0xee/0x170 [ 490.685342][ T7704] __sys_sendmsg+0xcd/0x170 [ 490.685342][ T7704] do_syscall_64+0xc6/0x1e0 [ 490.685342][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.685342][ T7704] [ 490.688493][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 490.688493][ T7704] netdev_get_by_index+0x5e/0x80 [ 490.688493][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 490.688493][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 490.688493][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 490.688493][ T7704] ipv6_add_addr+0x411/0x2000 [ 490.688493][ T7704] inet6_addr_add+0x30e/0xa40 [ 490.688493][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 490.688493][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.688493][ T7704] netlink_rcv_skb+0x130/0x360 [ 490.688493][ T7704] netlink_unicast+0x449/0x710 [ 490.688493][ T7704] netlink_sendmsg+0x723/0xbe0 [ 490.688493][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 490.688493][ T7704] ___sys_sendmsg+0xee/0x170 [ 490.688493][ T7704] __sys_sendmsg+0xcd/0x170 [ 490.688493][ T7704] do_syscall_64+0xc6/0x1e0 [ 490.688493][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.688493][ T7704] [ 490.692249][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 490.692249][ T7704] netdev_get_by_index+0x5e/0x80 [ 490.692249][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 490.692249][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 490.692249][ T7704] ip6_route_add+0x1c/0x140 [ 490.692249][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 490.692249][ T7704] addrconf_add_dev+0xe2/0x170 [ 490.692249][ T7704] inet6_addr_add+0x12f/0xa40 [ 490.692249][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 490.692249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.692249][ T7704] netlink_rcv_skb+0x130/0x360 [ 490.692249][ T7704] netlink_unicast+0x449/0x710 [ 490.692249][ T7704] netlink_sendmsg+0x723/0xbe0 [ 490.692249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 490.692249][ T7704] ___sys_sendmsg+0xee/0x170 [ 490.692249][ T7704] __sys_sendmsg+0xcd/0x170 [ 490.692249][ T7704] do_syscall_64+0xc6/0x1e0 [ 490.692249][ T7704] [ 490.694729][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 490.694729][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 490.694729][ T7704] ipv6_find_idev+0x102/0x170 [ 490.694729][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 490.694729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.694729][ T7704] netlink_rcv_skb+0x130/0x360 [ 490.694729][ T7704] netlink_unicast+0x449/0x710 [ 490.694729][ T7704] netlink_sendmsg+0x723/0xbe0 [ 490.694729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 490.694729][ T7704] ___sys_sendmsg+0xee/0x170 [ 490.694729][ T7704] __sys_sendmsg+0xcd/0x170 [ 490.694729][ T7704] do_syscall_64+0xc6/0x1e0 [ 490.694729][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.694729][ T7704] [ 490.697362][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 490.697362][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 490.697362][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 490.697362][ T7704] ipv6_find_idev+0x102/0x170 [ 490.697362][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 490.697362][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.697362][ T7704] netlink_rcv_skb+0x130/0x360 [ 490.697362][ T7704] netlink_unicast+0x449/0x710 [ 490.697362][ T7704] netlink_sendmsg+0x723/0xbe0 [ 490.697362][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 490.697362][ T7704] ___sys_sendmsg+0xee/0x170 [ 490.697362][ T7704] __sys_sendmsg+0xcd/0x170 [ 490.697362][ T7704] do_syscall_64+0xc6/0x1e0 [ 490.697362][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.697362][ T7704] [ 500.940973][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 500.941551][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 500.941551][ T7704] netdev_get_by_index+0x5e/0x80 [ 500.941551][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 500.941551][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 500.941551][ T7704] ip6_route_add+0x1c/0x140 [ 500.941551][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 500.941551][ T7704] inet6_addr_add+0x4f8/0xa40 [ 500.941551][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 500.941551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.941551][ T7704] netlink_rcv_skb+0x130/0x360 [ 500.941551][ T7704] netlink_unicast+0x449/0x710 [ 500.941551][ T7704] netlink_sendmsg+0x723/0xbe0 [ 500.941551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 500.941551][ T7704] ___sys_sendmsg+0xee/0x170 [ 500.941551][ T7704] __sys_sendmsg+0xcd/0x170 [ 500.941551][ T7704] do_syscall_64+0xc6/0x1e0 [ 500.941551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.941551][ T7704] [ 500.943945][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 500.943945][ T7704] netdev_get_by_index+0x5e/0x80 [ 500.943945][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 500.943945][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 500.943945][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 500.943945][ T7704] ipv6_add_addr+0x411/0x2000 [ 500.943945][ T7704] inet6_addr_add+0x30e/0xa40 [ 500.943945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 500.943945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.943945][ T7704] netlink_rcv_skb+0x130/0x360 [ 500.943945][ T7704] netlink_unicast+0x449/0x710 [ 500.943945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 500.943945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 500.943945][ T7704] ___sys_sendmsg+0xee/0x170 [ 500.943945][ T7704] __sys_sendmsg+0xcd/0x170 [ 500.943945][ T7704] do_syscall_64+0xc6/0x1e0 [ 500.943945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.943945][ T7704] [ 500.946360][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 500.946360][ T7704] netdev_get_by_index+0x5e/0x80 [ 500.946360][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 500.946360][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 500.946360][ T7704] ip6_route_add+0x1c/0x140 [ 500.946360][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 500.946360][ T7704] addrconf_add_dev+0xe2/0x170 [ 500.946360][ T7704] inet6_addr_add+0x12f/0xa40 [ 500.946360][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 500.946360][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.946360][ T7704] netlink_rcv_skb+0x130/0x360 [ 500.946360][ T7704] netlink_unicast+0x449/0x710 [ 500.946360][ T7704] netlink_sendmsg+0x723/0xbe0 [ 500.946360][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 500.946360][ T7704] ___sys_sendmsg+0xee/0x170 [ 500.946360][ T7704] __sys_sendmsg+0xcd/0x170 [ 500.946360][ T7704] do_syscall_64+0xc6/0x1e0 [ 500.946360][ T7704] [ 500.948683][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 500.948683][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 500.948683][ T7704] ipv6_find_idev+0x102/0x170 [ 500.948683][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 500.948683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.948683][ T7704] netlink_rcv_skb+0x130/0x360 [ 500.948683][ T7704] netlink_unicast+0x449/0x710 [ 500.948683][ T7704] netlink_sendmsg+0x723/0xbe0 [ 500.948683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 500.948683][ T7704] ___sys_sendmsg+0xee/0x170 [ 500.948683][ T7704] __sys_sendmsg+0xcd/0x170 [ 500.948683][ T7704] do_syscall_64+0xc6/0x1e0 [ 500.948683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.948683][ T7704] [ 500.950479][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 500.950479][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 500.950479][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 500.950479][ T7704] ipv6_find_idev+0x102/0x170 [ 500.950479][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 500.950479][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 500.950479][ T7704] netlink_rcv_skb+0x130/0x360 [ 500.950479][ T7704] netlink_unicast+0x449/0x710 [ 500.950479][ T7704] netlink_sendmsg+0x723/0xbe0 [ 500.950479][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 500.950479][ T7704] ___sys_sendmsg+0xee/0x170 [ 500.950479][ T7704] __sys_sendmsg+0xcd/0x170 [ 500.950479][ T7704] do_syscall_64+0xc6/0x1e0 [ 500.950479][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 500.950479][ T7704] [ 511.028827][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 511.029325][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 511.029325][ T7704] netdev_get_by_index+0x5e/0x80 [ 511.029325][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 511.029325][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 511.029325][ T7704] ip6_route_add+0x1c/0x140 [ 511.029325][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 511.029325][ T7704] inet6_addr_add+0x4f8/0xa40 [ 511.029325][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 511.029325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.029325][ T7704] netlink_rcv_skb+0x130/0x360 [ 511.029325][ T7704] netlink_unicast+0x449/0x710 [ 511.029325][ T7704] netlink_sendmsg+0x723/0xbe0 [ 511.029325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 511.029325][ T7704] ___sys_sendmsg+0xee/0x170 [ 511.029325][ T7704] __sys_sendmsg+0xcd/0x170 [ 511.029325][ T7704] do_syscall_64+0xc6/0x1e0 [ 511.029325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.029325][ T7704] [ 511.031635][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 511.031635][ T7704] netdev_get_by_index+0x5e/0x80 [ 511.031635][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 511.031635][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 511.031635][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 511.031635][ T7704] ipv6_add_addr+0x411/0x2000 [ 511.031635][ T7704] inet6_addr_add+0x30e/0xa40 [ 511.031635][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 511.031635][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.031635][ T7704] netlink_rcv_skb+0x130/0x360 [ 511.031635][ T7704] netlink_unicast+0x449/0x710 [ 511.031635][ T7704] netlink_sendmsg+0x723/0xbe0 [ 511.031635][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 511.031635][ T7704] ___sys_sendmsg+0xee/0x170 [ 511.031635][ T7704] __sys_sendmsg+0xcd/0x170 [ 511.031635][ T7704] do_syscall_64+0xc6/0x1e0 [ 511.031635][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.031635][ T7704] [ 511.033915][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 511.033915][ T7704] netdev_get_by_index+0x5e/0x80 [ 511.033915][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 511.033915][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 511.033915][ T7704] ip6_route_add+0x1c/0x140 [ 511.033915][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 511.033915][ T7704] addrconf_add_dev+0xe2/0x170 [ 511.033915][ T7704] inet6_addr_add+0x12f/0xa40 [ 511.033915][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 511.033915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.033915][ T7704] netlink_rcv_skb+0x130/0x360 [ 511.033915][ T7704] netlink_unicast+0x449/0x710 [ 511.033915][ T7704] netlink_sendmsg+0x723/0xbe0 [ 511.033915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 511.033915][ T7704] ___sys_sendmsg+0xee/0x170 [ 511.033915][ T7704] __sys_sendmsg+0xcd/0x170 [ 511.033915][ T7704] do_syscall_64+0xc6/0x1e0 [ 511.033915][ T7704] [ 511.036145][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 511.036145][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 511.036145][ T7704] ipv6_find_idev+0x102/0x170 [ 511.036145][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 511.036145][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.036145][ T7704] netlink_rcv_skb+0x130/0x360 [ 511.036145][ T7704] netlink_unicast+0x449/0x710 [ 511.036145][ T7704] netlink_sendmsg+0x723/0xbe0 [ 511.036145][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 511.036145][ T7704] ___sys_sendmsg+0xee/0x170 [ 511.036145][ T7704] __sys_sendmsg+0xcd/0x170 [ 511.036145][ T7704] do_syscall_64+0xc6/0x1e0 [ 511.036145][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.036145][ T7704] [ 511.037912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 511.037912][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 511.037912][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 511.037912][ T7704] ipv6_find_idev+0x102/0x170 [ 511.037912][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 511.037912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.037912][ T7704] netlink_rcv_skb+0x130/0x360 [ 511.037912][ T7704] netlink_unicast+0x449/0x710 [ 511.037912][ T7704] netlink_sendmsg+0x723/0xbe0 [ 511.037912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 511.037912][ T7704] ___sys_sendmsg+0xee/0x170 [ 511.037912][ T7704] __sys_sendmsg+0xcd/0x170 [ 511.037912][ T7704] do_syscall_64+0xc6/0x1e0 [ 511.037912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.037912][ T7704] [ 521.292812][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 521.293564][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 521.293564][ T7704] netdev_get_by_index+0x5e/0x80 [ 521.293564][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 521.293564][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 521.293564][ T7704] ip6_route_add+0x1c/0x140 [ 521.293564][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 521.293564][ T7704] inet6_addr_add+0x4f8/0xa40 [ 521.293564][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 521.293564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.293564][ T7704] netlink_rcv_skb+0x130/0x360 [ 521.293564][ T7704] netlink_unicast+0x449/0x710 [ 521.293564][ T7704] netlink_sendmsg+0x723/0xbe0 [ 521.293564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 521.293564][ T7704] ___sys_sendmsg+0xee/0x170 [ 521.293564][ T7704] __sys_sendmsg+0xcd/0x170 [ 521.293564][ T7704] do_syscall_64+0xc6/0x1e0 [ 521.293564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.293564][ T7704] [ 521.297340][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 521.297340][ T7704] netdev_get_by_index+0x5e/0x80 [ 521.297340][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 521.297340][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 521.297340][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 521.297340][ T7704] ipv6_add_addr+0x411/0x2000 [ 521.297340][ T7704] inet6_addr_add+0x30e/0xa40 [ 521.297340][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 521.297340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.297340][ T7704] netlink_rcv_skb+0x130/0x360 [ 521.297340][ T7704] netlink_unicast+0x449/0x710 [ 521.297340][ T7704] netlink_sendmsg+0x723/0xbe0 [ 521.297340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 521.297340][ T7704] ___sys_sendmsg+0xee/0x170 [ 521.297340][ T7704] __sys_sendmsg+0xcd/0x170 [ 521.297340][ T7704] do_syscall_64+0xc6/0x1e0 [ 521.297340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.297340][ T7704] [ 521.301108][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 521.301108][ T7704] netdev_get_by_index+0x5e/0x80 [ 521.301108][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 521.301108][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 521.301108][ T7704] ip6_route_add+0x1c/0x140 [ 521.301108][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 521.301108][ T7704] addrconf_add_dev+0xe2/0x170 [ 521.301108][ T7704] inet6_addr_add+0x12f/0xa40 [ 521.301108][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 521.301108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.301108][ T7704] netlink_rcv_skb+0x130/0x360 [ 521.301108][ T7704] netlink_unicast+0x449/0x710 [ 521.301108][ T7704] netlink_sendmsg+0x723/0xbe0 [ 521.301108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 521.301108][ T7704] ___sys_sendmsg+0xee/0x170 [ 521.301108][ T7704] __sys_sendmsg+0xcd/0x170 [ 521.301108][ T7704] do_syscall_64+0xc6/0x1e0 [ 521.301108][ T7704] [ 521.304773][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 521.304773][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 521.304773][ T7704] ipv6_find_idev+0x102/0x170 [ 521.304773][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.304773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.304773][ T7704] netlink_rcv_skb+0x130/0x360 [ 521.304773][ T7704] netlink_unicast+0x449/0x710 [ 521.304773][ T7704] netlink_sendmsg+0x723/0xbe0 [ 521.304773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 521.304773][ T7704] ___sys_sendmsg+0xee/0x170 [ 521.304773][ T7704] __sys_sendmsg+0xcd/0x170 [ 521.304773][ T7704] do_syscall_64+0xc6/0x1e0 [ 521.304773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.304773][ T7704] [ 521.307653][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 521.307653][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 521.307653][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 521.307653][ T7704] ipv6_find_idev+0x102/0x170 [ 521.307653][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.307653][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.307653][ T7704] netlink_rcv_skb+0x130/0x360 [ 521.307653][ T7704] netlink_unicast+0x449/0x710 [ 521.307653][ T7704] netlink_sendmsg+0x723/0xbe0 [ 521.307653][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 521.307653][ T7704] ___sys_sendmsg+0xee/0x170 [ 521.307653][ T7704] __sys_sendmsg+0xcd/0x170 [ 521.307653][ T7704] do_syscall_64+0xc6/0x1e0 [ 521.307653][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.307653][ T7704] [ 531.324865][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 531.325398][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 531.325398][ T7704] netdev_get_by_index+0x5e/0x80 [ 531.325398][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 531.325398][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 531.325398][ T7704] ip6_route_add+0x1c/0x140 [ 531.325398][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 531.325398][ T7704] inet6_addr_add+0x4f8/0xa40 [ 531.325398][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 531.325398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.325398][ T7704] netlink_rcv_skb+0x130/0x360 [ 531.325398][ T7704] netlink_unicast+0x449/0x710 [ 531.325398][ T7704] netlink_sendmsg+0x723/0xbe0 [ 531.325398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 531.325398][ T7704] ___sys_sendmsg+0xee/0x170 [ 531.325398][ T7704] __sys_sendmsg+0xcd/0x170 [ 531.325398][ T7704] do_syscall_64+0xc6/0x1e0 [ 531.325398][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.325398][ T7704] [ 531.327955][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 531.327955][ T7704] netdev_get_by_index+0x5e/0x80 [ 531.327955][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 531.327955][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 531.327955][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 531.327955][ T7704] ipv6_add_addr+0x411/0x2000 [ 531.327955][ T7704] inet6_addr_add+0x30e/0xa40 [ 531.327955][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 531.327955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.327955][ T7704] netlink_rcv_skb+0x130/0x360 [ 531.327955][ T7704] netlink_unicast+0x449/0x710 [ 531.327955][ T7704] netlink_sendmsg+0x723/0xbe0 [ 531.327955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 531.327955][ T7704] ___sys_sendmsg+0xee/0x170 [ 531.327955][ T7704] __sys_sendmsg+0xcd/0x170 [ 531.327955][ T7704] do_syscall_64+0xc6/0x1e0 [ 531.327955][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.327955][ T7704] [ 531.330423][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 531.330423][ T7704] netdev_get_by_index+0x5e/0x80 [ 531.330423][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 531.330423][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 531.330423][ T7704] ip6_route_add+0x1c/0x140 [ 531.330423][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 531.330423][ T7704] addrconf_add_dev+0xe2/0x170 [ 531.330423][ T7704] inet6_addr_add+0x12f/0xa40 [ 531.330423][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 531.330423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.330423][ T7704] netlink_rcv_skb+0x130/0x360 [ 531.330423][ T7704] netlink_unicast+0x449/0x710 [ 531.330423][ T7704] netlink_sendmsg+0x723/0xbe0 [ 531.330423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 531.330423][ T7704] ___sys_sendmsg+0xee/0x170 [ 531.330423][ T7704] __sys_sendmsg+0xcd/0x170 [ 531.330423][ T7704] do_syscall_64+0xc6/0x1e0 [ 531.330423][ T7704] [ 531.332850][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 531.332850][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 531.332850][ T7704] ipv6_find_idev+0x102/0x170 [ 531.332850][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.332850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.332850][ T7704] netlink_rcv_skb+0x130/0x360 [ 531.332850][ T7704] netlink_unicast+0x449/0x710 [ 531.332850][ T7704] netlink_sendmsg+0x723/0xbe0 [ 531.332850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 531.332850][ T7704] ___sys_sendmsg+0xee/0x170 [ 531.332850][ T7704] __sys_sendmsg+0xcd/0x170 [ 531.332850][ T7704] do_syscall_64+0xc6/0x1e0 [ 531.332850][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.332850][ T7704] [ 531.334753][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 531.334753][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 531.334753][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 531.334753][ T7704] ipv6_find_idev+0x102/0x170 [ 531.334753][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.334753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.334753][ T7704] netlink_rcv_skb+0x130/0x360 [ 531.334753][ T7704] netlink_unicast+0x449/0x710 [ 531.334753][ T7704] netlink_sendmsg+0x723/0xbe0 [ 531.334753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 531.334753][ T7704] ___sys_sendmsg+0xee/0x170 [ 531.334753][ T7704] __sys_sendmsg+0xcd/0x170 [ 531.334753][ T7704] do_syscall_64+0xc6/0x1e0 [ 531.334753][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.334753][ T7704] [ 541.572840][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 541.573316][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 541.573316][ T7704] netdev_get_by_index+0x5e/0x80 [ 541.573316][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 541.573316][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 541.573316][ T7704] ip6_route_add+0x1c/0x140 [ 541.573316][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 541.573316][ T7704] inet6_addr_add+0x4f8/0xa40 [ 541.573316][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 541.573316][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.573316][ T7704] netlink_rcv_skb+0x130/0x360 [ 541.573316][ T7704] netlink_unicast+0x449/0x710 [ 541.573316][ T7704] netlink_sendmsg+0x723/0xbe0 [ 541.573316][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 541.573316][ T7704] ___sys_sendmsg+0xee/0x170 [ 541.573316][ T7704] __sys_sendmsg+0xcd/0x170 [ 541.573316][ T7704] do_syscall_64+0xc6/0x1e0 [ 541.573316][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.573316][ T7704] [ 541.575689][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 541.575689][ T7704] netdev_get_by_index+0x5e/0x80 [ 541.575689][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 541.575689][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 541.575689][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 541.575689][ T7704] ipv6_add_addr+0x411/0x2000 [ 541.575689][ T7704] inet6_addr_add+0x30e/0xa40 [ 541.575689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 541.575689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.575689][ T7704] netlink_rcv_skb+0x130/0x360 [ 541.575689][ T7704] netlink_unicast+0x449/0x710 [ 541.575689][ T7704] netlink_sendmsg+0x723/0xbe0 [ 541.575689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 541.575689][ T7704] ___sys_sendmsg+0xee/0x170 [ 541.575689][ T7704] __sys_sendmsg+0xcd/0x170 [ 541.575689][ T7704] do_syscall_64+0xc6/0x1e0 [ 541.575689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.575689][ T7704] [ 541.578140][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 541.578140][ T7704] netdev_get_by_index+0x5e/0x80 [ 541.578140][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 541.578140][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 541.578140][ T7704] ip6_route_add+0x1c/0x140 [ 541.578140][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 541.578140][ T7704] addrconf_add_dev+0xe2/0x170 [ 541.578140][ T7704] inet6_addr_add+0x12f/0xa40 [ 541.578140][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 541.578140][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.578140][ T7704] netlink_rcv_skb+0x130/0x360 [ 541.578140][ T7704] netlink_unicast+0x449/0x710 [ 541.578140][ T7704] netlink_sendmsg+0x723/0xbe0 [ 541.578140][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 541.578140][ T7704] ___sys_sendmsg+0xee/0x170 [ 541.578140][ T7704] __sys_sendmsg+0xcd/0x170 [ 541.578140][ T7704] do_syscall_64+0xc6/0x1e0 [ 541.578140][ T7704] [ 541.580452][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 541.580452][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 541.580452][ T7704] ipv6_find_idev+0x102/0x170 [ 541.580452][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.580452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.580452][ T7704] netlink_rcv_skb+0x130/0x360 [ 541.580452][ T7704] netlink_unicast+0x449/0x710 [ 541.580452][ T7704] netlink_sendmsg+0x723/0xbe0 [ 541.580452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 541.580452][ T7704] ___sys_sendmsg+0xee/0x170 [ 541.580452][ T7704] __sys_sendmsg+0xcd/0x170 [ 541.580452][ T7704] do_syscall_64+0xc6/0x1e0 [ 541.580452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.580452][ T7704] [ 541.582251][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 541.582251][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 541.582251][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 541.582251][ T7704] ipv6_find_idev+0x102/0x170 [ 541.582251][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.582251][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.582251][ T7704] netlink_rcv_skb+0x130/0x360 [ 541.582251][ T7704] netlink_unicast+0x449/0x710 [ 541.582251][ T7704] netlink_sendmsg+0x723/0xbe0 [ 541.582251][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 541.582251][ T7704] ___sys_sendmsg+0xee/0x170 [ 541.582251][ T7704] __sys_sendmsg+0xcd/0x170 [ 541.582251][ T7704] do_syscall_64+0xc6/0x1e0 [ 541.582251][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.582251][ T7704] [ 551.820883][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 551.821442][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 551.821442][ T7704] netdev_get_by_index+0x5e/0x80 [ 551.821442][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 551.821442][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 551.821442][ T7704] ip6_route_add+0x1c/0x140 [ 551.821442][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 551.821442][ T7704] inet6_addr_add+0x4f8/0xa40 [ 551.821442][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 551.821442][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.821442][ T7704] netlink_rcv_skb+0x130/0x360 [ 551.821442][ T7704] netlink_unicast+0x449/0x710 [ 551.821442][ T7704] netlink_sendmsg+0x723/0xbe0 [ 551.821442][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 551.821442][ T7704] ___sys_sendmsg+0xee/0x170 [ 551.821442][ T7704] __sys_sendmsg+0xcd/0x170 [ 551.821442][ T7704] do_syscall_64+0xc6/0x1e0 [ 551.821442][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.821442][ T7704] [ 551.823710][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 551.823710][ T7704] netdev_get_by_index+0x5e/0x80 [ 551.823710][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 551.823710][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 551.823710][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 551.823710][ T7704] ipv6_add_addr+0x411/0x2000 [ 551.823710][ T7704] inet6_addr_add+0x30e/0xa40 [ 551.823710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 551.823710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.823710][ T7704] netlink_rcv_skb+0x130/0x360 [ 551.823710][ T7704] netlink_unicast+0x449/0x710 [ 551.823710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 551.823710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 551.823710][ T7704] ___sys_sendmsg+0xee/0x170 [ 551.823710][ T7704] __sys_sendmsg+0xcd/0x170 [ 551.823710][ T7704] do_syscall_64+0xc6/0x1e0 [ 551.823710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.823710][ T7704] [ 551.825956][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 551.825956][ T7704] netdev_get_by_index+0x5e/0x80 [ 551.825956][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 551.825956][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 551.825956][ T7704] ip6_route_add+0x1c/0x140 [ 551.825956][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 551.825956][ T7704] addrconf_add_dev+0xe2/0x170 [ 551.825956][ T7704] inet6_addr_add+0x12f/0xa40 [ 551.825956][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 551.825956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.825956][ T7704] netlink_rcv_skb+0x130/0x360 [ 551.825956][ T7704] netlink_unicast+0x449/0x710 [ 551.825956][ T7704] netlink_sendmsg+0x723/0xbe0 [ 551.825956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 551.825956][ T7704] ___sys_sendmsg+0xee/0x170 [ 551.825956][ T7704] __sys_sendmsg+0xcd/0x170 [ 551.825956][ T7704] do_syscall_64+0xc6/0x1e0 [ 551.825956][ T7704] [ 551.828171][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 551.828171][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 551.828171][ T7704] ipv6_find_idev+0x102/0x170 [ 551.828171][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 551.828171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.828171][ T7704] netlink_rcv_skb+0x130/0x360 [ 551.828171][ T7704] netlink_unicast+0x449/0x710 [ 551.828171][ T7704] netlink_sendmsg+0x723/0xbe0 [ 551.828171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 551.828171][ T7704] ___sys_sendmsg+0xee/0x170 [ 551.828171][ T7704] __sys_sendmsg+0xcd/0x170 [ 551.828171][ T7704] do_syscall_64+0xc6/0x1e0 [ 551.828171][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.828171][ T7704] [ 551.829893][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 551.829893][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 551.829893][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 551.829893][ T7704] ipv6_find_idev+0x102/0x170 [ 551.829893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 551.829893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 551.829893][ T7704] netlink_rcv_skb+0x130/0x360 [ 551.829893][ T7704] netlink_unicast+0x449/0x710 [ 551.829893][ T7704] netlink_sendmsg+0x723/0xbe0 [ 551.829893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 551.829893][ T7704] ___sys_sendmsg+0xee/0x170 [ 551.829893][ T7704] __sys_sendmsg+0xcd/0x170 [ 551.829893][ T7704] do_syscall_64+0xc6/0x1e0 [ 551.829893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 551.829893][ T7704] [ 562.332927][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 562.333428][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 562.333428][ T7704] netdev_get_by_index+0x5e/0x80 [ 562.333428][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 562.333428][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 562.333428][ T7704] ip6_route_add+0x1c/0x140 [ 562.333428][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 562.333428][ T7704] inet6_addr_add+0x4f8/0xa40 [ 562.333428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 562.333428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.333428][ T7704] netlink_rcv_skb+0x130/0x360 [ 562.333428][ T7704] netlink_unicast+0x449/0x710 [ 562.333428][ T7704] netlink_sendmsg+0x723/0xbe0 [ 562.333428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 562.333428][ T7704] ___sys_sendmsg+0xee/0x170 [ 562.333428][ T7704] __sys_sendmsg+0xcd/0x170 [ 562.333428][ T7704] do_syscall_64+0xc6/0x1e0 [ 562.333428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.333428][ T7704] [ 562.335729][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 562.335729][ T7704] netdev_get_by_index+0x5e/0x80 [ 562.335729][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 562.335729][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 562.335729][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 562.335729][ T7704] ipv6_add_addr+0x411/0x2000 [ 562.335729][ T7704] inet6_addr_add+0x30e/0xa40 [ 562.335729][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 562.335729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.335729][ T7704] netlink_rcv_skb+0x130/0x360 [ 562.335729][ T7704] netlink_unicast+0x449/0x710 [ 562.335729][ T7704] netlink_sendmsg+0x723/0xbe0 [ 562.335729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 562.335729][ T7704] ___sys_sendmsg+0xee/0x170 [ 562.335729][ T7704] __sys_sendmsg+0xcd/0x170 [ 562.335729][ T7704] do_syscall_64+0xc6/0x1e0 [ 562.335729][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.335729][ T7704] [ 562.338040][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 562.338040][ T7704] netdev_get_by_index+0x5e/0x80 [ 562.338040][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 562.338040][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 562.338040][ T7704] ip6_route_add+0x1c/0x140 [ 562.338040][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 562.338040][ T7704] addrconf_add_dev+0xe2/0x170 [ 562.338040][ T7704] inet6_addr_add+0x12f/0xa40 [ 562.338040][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 562.338040][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.338040][ T7704] netlink_rcv_skb+0x130/0x360 [ 562.338040][ T7704] netlink_unicast+0x449/0x710 [ 562.338040][ T7704] netlink_sendmsg+0x723/0xbe0 [ 562.338040][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 562.338040][ T7704] ___sys_sendmsg+0xee/0x170 [ 562.338040][ T7704] __sys_sendmsg+0xcd/0x170 [ 562.338040][ T7704] do_syscall_64+0xc6/0x1e0 [ 562.338040][ T7704] [ 562.340306][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 562.340306][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 562.340306][ T7704] ipv6_find_idev+0x102/0x170 [ 562.340306][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 562.340306][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.340306][ T7704] netlink_rcv_skb+0x130/0x360 [ 562.340306][ T7704] netlink_unicast+0x449/0x710 [ 562.340306][ T7704] netlink_sendmsg+0x723/0xbe0 [ 562.340306][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 562.340306][ T7704] ___sys_sendmsg+0xee/0x170 [ 562.340306][ T7704] __sys_sendmsg+0xcd/0x170 [ 562.340306][ T7704] do_syscall_64+0xc6/0x1e0 [ 562.340306][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.340306][ T7704] [ 562.342064][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 562.342064][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 562.342064][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 562.342064][ T7704] ipv6_find_idev+0x102/0x170 [ 562.342064][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 562.342064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.342064][ T7704] netlink_rcv_skb+0x130/0x360 [ 562.342064][ T7704] netlink_unicast+0x449/0x710 [ 562.342064][ T7704] netlink_sendmsg+0x723/0xbe0 [ 562.342064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 562.342064][ T7704] ___sys_sendmsg+0xee/0x170 [ 562.342064][ T7704] __sys_sendmsg+0xcd/0x170 [ 562.342064][ T7704] do_syscall_64+0xc6/0x1e0 [ 562.342064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.342064][ T7704] [ 572.524841][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 572.525368][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 572.525368][ T7704] netdev_get_by_index+0x5e/0x80 [ 572.525368][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 572.525368][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 572.525368][ T7704] ip6_route_add+0x1c/0x140 [ 572.525368][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 572.525368][ T7704] inet6_addr_add+0x4f8/0xa40 [ 572.525368][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 572.525368][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.525368][ T7704] netlink_rcv_skb+0x130/0x360 [ 572.525368][ T7704] netlink_unicast+0x449/0x710 [ 572.525368][ T7704] netlink_sendmsg+0x723/0xbe0 [ 572.525368][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 572.525368][ T7704] ___sys_sendmsg+0xee/0x170 [ 572.525368][ T7704] __sys_sendmsg+0xcd/0x170 [ 572.525368][ T7704] do_syscall_64+0xc6/0x1e0 [ 572.525368][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.525368][ T7704] [ 572.527712][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 572.527712][ T7704] netdev_get_by_index+0x5e/0x80 [ 572.527712][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 572.527712][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 572.527712][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 572.527712][ T7704] ipv6_add_addr+0x411/0x2000 [ 572.527712][ T7704] inet6_addr_add+0x30e/0xa40 [ 572.527712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 572.527712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.527712][ T7704] netlink_rcv_skb+0x130/0x360 [ 572.527712][ T7704] netlink_unicast+0x449/0x710 [ 572.527712][ T7704] netlink_sendmsg+0x723/0xbe0 [ 572.527712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 572.527712][ T7704] ___sys_sendmsg+0xee/0x170 [ 572.527712][ T7704] __sys_sendmsg+0xcd/0x170 [ 572.527712][ T7704] do_syscall_64+0xc6/0x1e0 [ 572.527712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.527712][ T7704] [ 572.529970][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 572.529970][ T7704] netdev_get_by_index+0x5e/0x80 [ 572.529970][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 572.529970][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 572.529970][ T7704] ip6_route_add+0x1c/0x140 [ 572.529970][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 572.529970][ T7704] addrconf_add_dev+0xe2/0x170 [ 572.529970][ T7704] inet6_addr_add+0x12f/0xa40 [ 572.529970][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 572.529970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.529970][ T7704] netlink_rcv_skb+0x130/0x360 [ 572.529970][ T7704] netlink_unicast+0x449/0x710 [ 572.529970][ T7704] netlink_sendmsg+0x723/0xbe0 [ 572.529970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 572.529970][ T7704] ___sys_sendmsg+0xee/0x170 [ 572.529970][ T7704] __sys_sendmsg+0xcd/0x170 [ 572.529970][ T7704] do_syscall_64+0xc6/0x1e0 [ 572.529970][ T7704] [ 572.532166][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 572.532166][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 572.532166][ T7704] ipv6_find_idev+0x102/0x170 [ 572.532166][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 572.532166][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.532166][ T7704] netlink_rcv_skb+0x130/0x360 [ 572.532166][ T7704] netlink_unicast+0x449/0x710 [ 572.532166][ T7704] netlink_sendmsg+0x723/0xbe0 [ 572.532166][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 572.532166][ T7704] ___sys_sendmsg+0xee/0x170 [ 572.532166][ T7704] __sys_sendmsg+0xcd/0x170 [ 572.532166][ T7704] do_syscall_64+0xc6/0x1e0 [ 572.532166][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.532166][ T7704] [ 572.533886][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 572.533886][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 572.533886][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 572.533886][ T7704] ipv6_find_idev+0x102/0x170 [ 572.533886][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 572.533886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.533886][ T7704] netlink_rcv_skb+0x130/0x360 [ 572.533886][ T7704] netlink_unicast+0x449/0x710 [ 572.533886][ T7704] netlink_sendmsg+0x723/0xbe0 [ 572.533886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 572.533886][ T7704] ___sys_sendmsg+0xee/0x170 [ 572.533886][ T7704] __sys_sendmsg+0xcd/0x170 [ 572.533886][ T7704] do_syscall_64+0xc6/0x1e0 [ 572.533886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.533886][ T7704] [ 582.732880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 582.733373][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 582.733373][ T7704] netdev_get_by_index+0x5e/0x80 [ 582.733373][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 582.733373][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 582.733373][ T7704] ip6_route_add+0x1c/0x140 [ 582.733373][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 582.733373][ T7704] inet6_addr_add+0x4f8/0xa40 [ 582.733373][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 582.733373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 582.733373][ T7704] netlink_rcv_skb+0x130/0x360 [ 582.733373][ T7704] netlink_unicast+0x449/0x710 [ 582.733373][ T7704] netlink_sendmsg+0x723/0xbe0 [ 582.733373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 582.733373][ T7704] ___sys_sendmsg+0xee/0x170 [ 582.733373][ T7704] __sys_sendmsg+0xcd/0x170 [ 582.733373][ T7704] do_syscall_64+0xc6/0x1e0 [ 582.733373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 582.733373][ T7704] [ 582.735777][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 582.735777][ T7704] netdev_get_by_index+0x5e/0x80 [ 582.735777][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 582.735777][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 582.735777][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 582.735777][ T7704] ipv6_add_addr+0x411/0x2000 [ 582.735777][ T7704] inet6_addr_add+0x30e/0xa40 [ 582.735777][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 582.735777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 582.735777][ T7704] netlink_rcv_skb+0x130/0x360 [ 582.735777][ T7704] netlink_unicast+0x449/0x710 [ 582.735777][ T7704] netlink_sendmsg+0x723/0xbe0 [ 582.735777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 582.735777][ T7704] ___sys_sendmsg+0xee/0x170 [ 582.735777][ T7704] __sys_sendmsg+0xcd/0x170 [ 582.735777][ T7704] do_syscall_64+0xc6/0x1e0 [ 582.735777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 582.735777][ T7704] [ 582.738040][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 582.738040][ T7704] netdev_get_by_index+0x5e/0x80 [ 582.738040][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 582.738040][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 582.738040][ T7704] ip6_route_add+0x1c/0x140 [ 582.738040][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 582.738040][ T7704] addrconf_add_dev+0xe2/0x170 [ 582.738040][ T7704] inet6_addr_add+0x12f/0xa40 [ 582.738040][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 582.738040][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 582.738040][ T7704] netlink_rcv_skb+0x130/0x360 [ 582.738040][ T7704] netlink_unicast+0x449/0x710 [ 582.738040][ T7704] netlink_sendmsg+0x723/0xbe0 [ 582.738040][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 582.738040][ T7704] ___sys_sendmsg+0xee/0x170 [ 582.738040][ T7704] __sys_sendmsg+0xcd/0x170 [ 582.738040][ T7704] do_syscall_64+0xc6/0x1e0 [ 582.738040][ T7704] [ 582.740243][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 582.740243][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 582.740243][ T7704] ipv6_find_idev+0x102/0x170 [ 582.740243][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 582.740243][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 582.740243][ T7704] netlink_rcv_skb+0x130/0x360 [ 582.740243][ T7704] netlink_unicast+0x449/0x710 [ 582.740243][ T7704] netlink_sendmsg+0x723/0xbe0 [ 582.740243][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 582.740243][ T7704] ___sys_sendmsg+0xee/0x170 [ 582.740243][ T7704] __sys_sendmsg+0xcd/0x170 [ 582.740243][ T7704] do_syscall_64+0xc6/0x1e0 [ 582.740243][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 582.740243][ T7704] [ 582.742011][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 582.742011][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 582.742011][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 582.742011][ T7704] ipv6_find_idev+0x102/0x170 [ 582.742011][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 582.742011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 582.742011][ T7704] netlink_rcv_skb+0x130/0x360 [ 582.742011][ T7704] netlink_unicast+0x449/0x710 [ 582.742011][ T7704] netlink_sendmsg+0x723/0xbe0 [ 582.742011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 582.742011][ T7704] ___sys_sendmsg+0xee/0x170 [ 582.742011][ T7704] __sys_sendmsg+0xcd/0x170 [ 582.742011][ T7704] do_syscall_64+0xc6/0x1e0 [ 582.742011][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 582.742011][ T7704] [ 592.844834][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 592.845350][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 592.845350][ T7704] netdev_get_by_index+0x5e/0x80 [ 592.845350][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 592.845350][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 592.845350][ T7704] ip6_route_add+0x1c/0x140 [ 592.845350][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 592.845350][ T7704] inet6_addr_add+0x4f8/0xa40 [ 592.845350][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 592.845350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 592.845350][ T7704] netlink_rcv_skb+0x130/0x360 [ 592.845350][ T7704] netlink_unicast+0x449/0x710 [ 592.845350][ T7704] netlink_sendmsg+0x723/0xbe0 [ 592.845350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 592.845350][ T7704] ___sys_sendmsg+0xee/0x170 [ 592.845350][ T7704] __sys_sendmsg+0xcd/0x170 [ 592.845350][ T7704] do_syscall_64+0xc6/0x1e0 [ 592.845350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 592.845350][ T7704] [ 592.847700][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 592.847700][ T7704] netdev_get_by_index+0x5e/0x80 [ 592.847700][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 592.847700][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 592.847700][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 592.847700][ T7704] ipv6_add_addr+0x411/0x2000 [ 592.847700][ T7704] inet6_addr_add+0x30e/0xa40 [ 592.847700][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 592.847700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 592.847700][ T7704] netlink_rcv_skb+0x130/0x360 [ 592.847700][ T7704] netlink_unicast+0x449/0x710 [ 592.847700][ T7704] netlink_sendmsg+0x723/0xbe0 [ 592.847700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 592.847700][ T7704] ___sys_sendmsg+0xee/0x170 [ 592.847700][ T7704] __sys_sendmsg+0xcd/0x170 [ 592.847700][ T7704] do_syscall_64+0xc6/0x1e0 [ 592.847700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 592.847700][ T7704] [ 592.850113][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 592.850113][ T7704] netdev_get_by_index+0x5e/0x80 [ 592.850113][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 592.850113][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 592.850113][ T7704] ip6_route_add+0x1c/0x140 [ 592.850113][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 592.850113][ T7704] addrconf_add_dev+0xe2/0x170 [ 592.850113][ T7704] inet6_addr_add+0x12f/0xa40 [ 592.850113][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 592.850113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 592.850113][ T7704] netlink_rcv_skb+0x130/0x360 [ 592.850113][ T7704] netlink_unicast+0x449/0x710 [ 592.850113][ T7704] netlink_sendmsg+0x723/0xbe0 [ 592.850113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 592.850113][ T7704] ___sys_sendmsg+0xee/0x170 [ 592.850113][ T7704] __sys_sendmsg+0xcd/0x170 [ 592.850113][ T7704] do_syscall_64+0xc6/0x1e0 [ 592.850113][ T7704] [ 592.852489][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 592.852489][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 592.852489][ T7704] ipv6_find_idev+0x102/0x170 [ 592.852489][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 592.852489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 592.852489][ T7704] netlink_rcv_skb+0x130/0x360 [ 592.852489][ T7704] netlink_unicast+0x449/0x710 [ 592.852489][ T7704] netlink_sendmsg+0x723/0xbe0 [ 592.852489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 592.852489][ T7704] ___sys_sendmsg+0xee/0x170 [ 592.852489][ T7704] __sys_sendmsg+0xcd/0x170 [ 592.852489][ T7704] do_syscall_64+0xc6/0x1e0 [ 592.852489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 592.852489][ T7704] [ 592.854349][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 592.854349][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 592.854349][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 592.854349][ T7704] ipv6_find_idev+0x102/0x170 [ 592.854349][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 592.854349][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 592.854349][ T7704] netlink_rcv_skb+0x130/0x360 [ 592.854349][ T7704] netlink_unicast+0x449/0x710 [ 592.854349][ T7704] netlink_sendmsg+0x723/0xbe0 [ 592.854349][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 592.854349][ T7704] ___sys_sendmsg+0xee/0x170 [ 592.854349][ T7704] __sys_sendmsg+0xcd/0x170 [ 592.854349][ T7704] do_syscall_64+0xc6/0x1e0 [ 592.854349][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 592.854349][ T7704] [ 603.108845][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 603.109404][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 603.109404][ T7704] netdev_get_by_index+0x5e/0x80 [ 603.109404][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 603.109404][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 603.109404][ T7704] ip6_route_add+0x1c/0x140 [ 603.109404][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 603.109404][ T7704] inet6_addr_add+0x4f8/0xa40 [ 603.109404][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 603.109404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.109404][ T7704] netlink_rcv_skb+0x130/0x360 [ 603.109404][ T7704] netlink_unicast+0x449/0x710 [ 603.109404][ T7704] netlink_sendmsg+0x723/0xbe0 [ 603.109404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 603.109404][ T7704] ___sys_sendmsg+0xee/0x170 [ 603.109404][ T7704] __sys_sendmsg+0xcd/0x170 [ 603.109404][ T7704] do_syscall_64+0xc6/0x1e0 [ 603.109404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.109404][ T7704] [ 603.111706][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 603.111706][ T7704] netdev_get_by_index+0x5e/0x80 [ 603.111706][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 603.111706][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 603.111706][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 603.111706][ T7704] ipv6_add_addr+0x411/0x2000 [ 603.111706][ T7704] inet6_addr_add+0x30e/0xa40 [ 603.111706][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 603.111706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.111706][ T7704] netlink_rcv_skb+0x130/0x360 [ 603.111706][ T7704] netlink_unicast+0x449/0x710 [ 603.111706][ T7704] netlink_sendmsg+0x723/0xbe0 [ 603.111706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 603.111706][ T7704] ___sys_sendmsg+0xee/0x170 [ 603.111706][ T7704] __sys_sendmsg+0xcd/0x170 [ 603.111706][ T7704] do_syscall_64+0xc6/0x1e0 [ 603.111706][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.111706][ T7704] [ 603.113956][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 603.113956][ T7704] netdev_get_by_index+0x5e/0x80 [ 603.113956][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 603.113956][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 603.113956][ T7704] ip6_route_add+0x1c/0x140 [ 603.113956][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 603.113956][ T7704] addrconf_add_dev+0xe2/0x170 [ 603.113956][ T7704] inet6_addr_add+0x12f/0xa40 [ 603.113956][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 603.113956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.113956][ T7704] netlink_rcv_skb+0x130/0x360 [ 603.113956][ T7704] netlink_unicast+0x449/0x710 [ 603.113956][ T7704] netlink_sendmsg+0x723/0xbe0 [ 603.113956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 603.113956][ T7704] ___sys_sendmsg+0xee/0x170 [ 603.113956][ T7704] __sys_sendmsg+0xcd/0x170 [ 603.113956][ T7704] do_syscall_64+0xc6/0x1e0 [ 603.113956][ T7704] [ 603.116143][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 603.116143][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 603.116143][ T7704] ipv6_find_idev+0x102/0x170 [ 603.116143][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 603.116143][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.116143][ T7704] netlink_rcv_skb+0x130/0x360 [ 603.116143][ T7704] netlink_unicast+0x449/0x710 [ 603.116143][ T7704] netlink_sendmsg+0x723/0xbe0 [ 603.116143][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 603.116143][ T7704] ___sys_sendmsg+0xee/0x170 [ 603.116143][ T7704] __sys_sendmsg+0xcd/0x170 [ 603.116143][ T7704] do_syscall_64+0xc6/0x1e0 [ 603.116143][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.116143][ T7704] [ 603.117875][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 603.117875][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 603.117875][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 603.117875][ T7704] ipv6_find_idev+0x102/0x170 [ 603.117875][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 603.117875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.117875][ T7704] netlink_rcv_skb+0x130/0x360 [ 603.117875][ T7704] netlink_unicast+0x449/0x710 [ 603.117875][ T7704] netlink_sendmsg+0x723/0xbe0 [ 603.117875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 603.117875][ T7704] ___sys_sendmsg+0xee/0x170 [ 603.117875][ T7704] __sys_sendmsg+0xcd/0x170 [ 603.117875][ T7704] do_syscall_64+0xc6/0x1e0 [ 603.117875][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.117875][ T7704] [ 613.260896][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 613.261420][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 613.261420][ T7704] netdev_get_by_index+0x5e/0x80 [ 613.261420][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 613.261420][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 613.261420][ T7704] ip6_route_add+0x1c/0x140 [ 613.261420][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 613.261420][ T7704] inet6_addr_add+0x4f8/0xa40 [ 613.261420][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 613.261420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.261420][ T7704] netlink_rcv_skb+0x130/0x360 [ 613.261420][ T7704] netlink_unicast+0x449/0x710 [ 613.261420][ T7704] netlink_sendmsg+0x723/0xbe0 [ 613.261420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 613.261420][ T7704] ___sys_sendmsg+0xee/0x170 [ 613.261420][ T7704] __sys_sendmsg+0xcd/0x170 [ 613.261420][ T7704] do_syscall_64+0xc6/0x1e0 [ 613.261420][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.261420][ T7704] [ 613.263839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 613.263839][ T7704] netdev_get_by_index+0x5e/0x80 [ 613.263839][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 613.263839][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 613.263839][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 613.263839][ T7704] ipv6_add_addr+0x411/0x2000 [ 613.263839][ T7704] inet6_addr_add+0x30e/0xa40 [ 613.263839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 613.263839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.263839][ T7704] netlink_rcv_skb+0x130/0x360 [ 613.263839][ T7704] netlink_unicast+0x449/0x710 [ 613.263839][ T7704] netlink_sendmsg+0x723/0xbe0 [ 613.263839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 613.263839][ T7704] ___sys_sendmsg+0xee/0x170 [ 613.263839][ T7704] __sys_sendmsg+0xcd/0x170 [ 613.263839][ T7704] do_syscall_64+0xc6/0x1e0 [ 613.263839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.263839][ T7704] [ 613.266267][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 613.266267][ T7704] netdev_get_by_index+0x5e/0x80 [ 613.266267][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 613.266267][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 613.266267][ T7704] ip6_route_add+0x1c/0x140 [ 613.266267][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 613.266267][ T7704] addrconf_add_dev+0xe2/0x170 [ 613.266267][ T7704] inet6_addr_add+0x12f/0xa40 [ 613.266267][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 613.266267][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.266267][ T7704] netlink_rcv_skb+0x130/0x360 [ 613.266267][ T7704] netlink_unicast+0x449/0x710 [ 613.266267][ T7704] netlink_sendmsg+0x723/0xbe0 [ 613.266267][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 613.266267][ T7704] ___sys_sendmsg+0xee/0x170 [ 613.266267][ T7704] __sys_sendmsg+0xcd/0x170 [ 613.266267][ T7704] do_syscall_64+0xc6/0x1e0 [ 613.266267][ T7704] [ 613.268584][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 613.268584][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 613.268584][ T7704] ipv6_find_idev+0x102/0x170 [ 613.268584][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 613.268584][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.268584][ T7704] netlink_rcv_skb+0x130/0x360 [ 613.268584][ T7704] netlink_unicast+0x449/0x710 [ 613.268584][ T7704] netlink_sendmsg+0x723/0xbe0 [ 613.268584][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 613.268584][ T7704] ___sys_sendmsg+0xee/0x170 [ 613.268584][ T7704] __sys_sendmsg+0xcd/0x170 [ 613.268584][ T7704] do_syscall_64+0xc6/0x1e0 [ 613.268584][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.268584][ T7704] [ 613.270306][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 613.270306][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 613.270306][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 613.270306][ T7704] ipv6_find_idev+0x102/0x170 [ 613.270306][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 613.270306][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.270306][ T7704] netlink_rcv_skb+0x130/0x360 [ 613.270306][ T7704] netlink_unicast+0x449/0x710 [ 613.270306][ T7704] netlink_sendmsg+0x723/0xbe0 [ 613.270306][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 613.270306][ T7704] ___sys_sendmsg+0xee/0x170 [ 613.270306][ T7704] __sys_sendmsg+0xcd/0x170 [ 613.270306][ T7704] do_syscall_64+0xc6/0x1e0 [ 613.270306][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.270306][ T7704] [ 623.508882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 623.509548][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 623.509548][ T7704] netdev_get_by_index+0x5e/0x80 [ 623.509548][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 623.509548][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 623.509548][ T7704] ip6_route_add+0x1c/0x140 [ 623.509548][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 623.509548][ T7704] inet6_addr_add+0x4f8/0xa40 [ 623.509548][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 623.509548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 623.509548][ T7704] netlink_rcv_skb+0x130/0x360 [ 623.509548][ T7704] netlink_unicast+0x449/0x710 [ 623.509548][ T7704] netlink_sendmsg+0x723/0xbe0 [ 623.509548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 623.509548][ T7704] ___sys_sendmsg+0xee/0x170 [ 623.509548][ T7704] __sys_sendmsg+0xcd/0x170 [ 623.509548][ T7704] do_syscall_64+0xc6/0x1e0 [ 623.509548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 623.509548][ T7704] [ 623.511828][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 623.511828][ T7704] netdev_get_by_index+0x5e/0x80 [ 623.511828][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 623.511828][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 623.511828][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 623.511828][ T7704] ipv6_add_addr+0x411/0x2000 [ 623.511828][ T7704] inet6_addr_add+0x30e/0xa40 [ 623.511828][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 623.511828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 623.511828][ T7704] netlink_rcv_skb+0x130/0x360 [ 623.511828][ T7704] netlink_unicast+0x449/0x710 [ 623.511828][ T7704] netlink_sendmsg+0x723/0xbe0 [ 623.511828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 623.511828][ T7704] ___sys_sendmsg+0xee/0x170 [ 623.511828][ T7704] __sys_sendmsg+0xcd/0x170 [ 623.511828][ T7704] do_syscall_64+0xc6/0x1e0 [ 623.511828][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 623.511828][ T7704] [ 623.514057][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 623.514057][ T7704] netdev_get_by_index+0x5e/0x80 [ 623.514057][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 623.514057][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 623.514057][ T7704] ip6_route_add+0x1c/0x140 [ 623.514057][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 623.514057][ T7704] addrconf_add_dev+0xe2/0x170 [ 623.514057][ T7704] inet6_addr_add+0x12f/0xa40 [ 623.514057][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 623.514057][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 623.514057][ T7704] netlink_rcv_skb+0x130/0x360 [ 623.514057][ T7704] netlink_unicast+0x449/0x710 [ 623.514057][ T7704] netlink_sendmsg+0x723/0xbe0 [ 623.514057][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 623.514057][ T7704] ___sys_sendmsg+0xee/0x170 [ 623.514057][ T7704] __sys_sendmsg+0xcd/0x170 [ 623.514057][ T7704] do_syscall_64+0xc6/0x1e0 [ 623.514057][ T7704] [ 623.516286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 623.516286][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 623.516286][ T7704] ipv6_find_idev+0x102/0x170 [ 623.516286][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 623.516286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 623.516286][ T7704] netlink_rcv_skb+0x130/0x360 [ 623.516286][ T7704] netlink_unicast+0x449/0x710 [ 623.516286][ T7704] netlink_sendmsg+0x723/0xbe0 [ 623.516286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 623.516286][ T7704] ___sys_sendmsg+0xee/0x170 [ 623.516286][ T7704] __sys_sendmsg+0xcd/0x170 [ 623.516286][ T7704] do_syscall_64+0xc6/0x1e0 [ 623.516286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 623.516286][ T7704] [ 623.518024][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 623.518024][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 623.518024][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 623.518024][ T7704] ipv6_find_idev+0x102/0x170 [ 623.518024][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 623.518024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 623.518024][ T7704] netlink_rcv_skb+0x130/0x360 [ 623.518024][ T7704] netlink_unicast+0x449/0x710 [ 623.518024][ T7704] netlink_sendmsg+0x723/0xbe0 [ 623.518024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 623.518024][ T7704] ___sys_sendmsg+0xee/0x170 [ 623.518024][ T7704] __sys_sendmsg+0xcd/0x170 [ 623.518024][ T7704] do_syscall_64+0xc6/0x1e0 [ 623.518024][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 623.518024][ T7704] [ 633.756809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 633.757345][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 633.757345][ T7704] netdev_get_by_index+0x5e/0x80 [ 633.757345][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 633.757345][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 633.757345][ T7704] ip6_route_add+0x1c/0x140 [ 633.757345][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 633.757345][ T7704] inet6_addr_add+0x4f8/0xa40 [ 633.757345][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 633.757345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 633.757345][ T7704] netlink_rcv_skb+0x130/0x360 [ 633.757345][ T7704] netlink_unicast+0x449/0x710 [ 633.757345][ T7704] netlink_sendmsg+0x723/0xbe0 [ 633.757345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 633.757345][ T7704] ___sys_sendmsg+0xee/0x170 [ 633.757345][ T7704] __sys_sendmsg+0xcd/0x170 [ 633.757345][ T7704] do_syscall_64+0xc6/0x1e0 [ 633.757345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 633.757345][ T7704] [ 633.759640][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 633.759640][ T7704] netdev_get_by_index+0x5e/0x80 [ 633.759640][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 633.759640][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 633.759640][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 633.759640][ T7704] ipv6_add_addr+0x411/0x2000 [ 633.759640][ T7704] inet6_addr_add+0x30e/0xa40 [ 633.759640][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 633.759640][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 633.759640][ T7704] netlink_rcv_skb+0x130/0x360 [ 633.759640][ T7704] netlink_unicast+0x449/0x710 [ 633.759640][ T7704] netlink_sendmsg+0x723/0xbe0 [ 633.759640][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 633.759640][ T7704] ___sys_sendmsg+0xee/0x170 [ 633.759640][ T7704] __sys_sendmsg+0xcd/0x170 [ 633.759640][ T7704] do_syscall_64+0xc6/0x1e0 [ 633.759640][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 633.759640][ T7704] [ 633.761873][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 633.761873][ T7704] netdev_get_by_index+0x5e/0x80 [ 633.761873][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 633.761873][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 633.761873][ T7704] ip6_route_add+0x1c/0x140 [ 633.761873][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 633.761873][ T7704] addrconf_add_dev+0xe2/0x170 [ 633.761873][ T7704] inet6_addr_add+0x12f/0xa40 [ 633.761873][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 633.761873][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 633.761873][ T7704] netlink_rcv_skb+0x130/0x360 [ 633.761873][ T7704] netlink_unicast+0x449/0x710 [ 633.761873][ T7704] netlink_sendmsg+0x723/0xbe0 [ 633.761873][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 633.761873][ T7704] ___sys_sendmsg+0xee/0x170 [ 633.761873][ T7704] __sys_sendmsg+0xcd/0x170 [ 633.761873][ T7704] do_syscall_64+0xc6/0x1e0 [ 633.761873][ T7704] [ 633.764073][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 633.764073][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 633.764073][ T7704] ipv6_find_idev+0x102/0x170 [ 633.764073][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 633.764073][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 633.764073][ T7704] netlink_rcv_skb+0x130/0x360 [ 633.764073][ T7704] netlink_unicast+0x449/0x710 [ 633.764073][ T7704] netlink_sendmsg+0x723/0xbe0 [ 633.764073][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 633.764073][ T7704] ___sys_sendmsg+0xee/0x170 [ 633.764073][ T7704] __sys_sendmsg+0xcd/0x170 [ 633.764073][ T7704] do_syscall_64+0xc6/0x1e0 [ 633.764073][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 633.764073][ T7704] [ 633.765795][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 633.765795][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 633.765795][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 633.765795][ T7704] ipv6_find_idev+0x102/0x170 [ 633.765795][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 633.765795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 633.765795][ T7704] netlink_rcv_skb+0x130/0x360 [ 633.765795][ T7704] netlink_unicast+0x449/0x710 [ 633.765795][ T7704] netlink_sendmsg+0x723/0xbe0 [ 633.765795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 633.765795][ T7704] ___sys_sendmsg+0xee/0x170 [ 633.765795][ T7704] __sys_sendmsg+0xcd/0x170 [ 633.765795][ T7704] do_syscall_64+0xc6/0x1e0 [ 633.765795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 633.765795][ T7704] [ 643.860789][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 643.861296][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 643.861296][ T7704] netdev_get_by_index+0x5e/0x80 [ 643.861296][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 643.861296][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 643.861296][ T7704] ip6_route_add+0x1c/0x140 [ 643.861296][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 643.861296][ T7704] inet6_addr_add+0x4f8/0xa40 [ 643.861296][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 643.861296][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 643.861296][ T7704] netlink_rcv_skb+0x130/0x360 [ 643.861296][ T7704] netlink_unicast+0x449/0x710 [ 643.861296][ T7704] netlink_sendmsg+0x723/0xbe0 [ 643.861296][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 643.861296][ T7704] ___sys_sendmsg+0xee/0x170 [ 643.861296][ T7704] __sys_sendmsg+0xcd/0x170 [ 643.861296][ T7704] do_syscall_64+0xc6/0x1e0 [ 643.861296][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 643.861296][ T7704] [ 643.863590][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 643.863590][ T7704] netdev_get_by_index+0x5e/0x80 [ 643.863590][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 643.863590][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 643.863590][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 643.863590][ T7704] ipv6_add_addr+0x411/0x2000 [ 643.863590][ T7704] inet6_addr_add+0x30e/0xa40 [ 643.863590][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 643.863590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 643.863590][ T7704] netlink_rcv_skb+0x130/0x360 [ 643.863590][ T7704] netlink_unicast+0x449/0x710 [ 643.863590][ T7704] netlink_sendmsg+0x723/0xbe0 [ 643.863590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 643.863590][ T7704] ___sys_sendmsg+0xee/0x170 [ 643.863590][ T7704] __sys_sendmsg+0xcd/0x170 [ 643.863590][ T7704] do_syscall_64+0xc6/0x1e0 [ 643.863590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 643.863590][ T7704] [ 643.865836][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 643.865836][ T7704] netdev_get_by_index+0x5e/0x80 [ 643.865836][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 643.865836][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 643.865836][ T7704] ip6_route_add+0x1c/0x140 [ 643.865836][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 643.865836][ T7704] addrconf_add_dev+0xe2/0x170 [ 643.865836][ T7704] inet6_addr_add+0x12f/0xa40 [ 643.865836][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 643.865836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 643.865836][ T7704] netlink_rcv_skb+0x130/0x360 [ 643.865836][ T7704] netlink_unicast+0x449/0x710 [ 643.865836][ T7704] netlink_sendmsg+0x723/0xbe0 [ 643.865836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 643.865836][ T7704] ___sys_sendmsg+0xee/0x170 [ 643.865836][ T7704] __sys_sendmsg+0xcd/0x170 [ 643.865836][ T7704] do_syscall_64+0xc6/0x1e0 [ 643.865836][ T7704] [ 643.868080][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 643.868080][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 643.868080][ T7704] ipv6_find_idev+0x102/0x170 [ 643.868080][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 643.868080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 643.868080][ T7704] netlink_rcv_skb+0x130/0x360 [ 643.868080][ T7704] netlink_unicast+0x449/0x710 [ 643.868080][ T7704] netlink_sendmsg+0x723/0xbe0 [ 643.868080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 643.868080][ T7704] ___sys_sendmsg+0xee/0x170 [ 643.868080][ T7704] __sys_sendmsg+0xcd/0x170 [ 643.868080][ T7704] do_syscall_64+0xc6/0x1e0 [ 643.868080][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 643.868080][ T7704] [ 643.869835][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 643.869835][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 643.869835][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 643.869835][ T7704] ipv6_find_idev+0x102/0x170 [ 643.869835][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 643.869835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 643.869835][ T7704] netlink_rcv_skb+0x130/0x360 [ 643.869835][ T7704] netlink_unicast+0x449/0x710 [ 643.869835][ T7704] netlink_sendmsg+0x723/0xbe0 [ 643.869835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 643.869835][ T7704] ___sys_sendmsg+0xee/0x170 [ 643.869835][ T7704] __sys_sendmsg+0xcd/0x170 [ 643.869835][ T7704] do_syscall_64+0xc6/0x1e0 [ 643.869835][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 643.869835][ T7704] [ 654.332995][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 654.333527][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 654.333527][ T7704] netdev_get_by_index+0x5e/0x80 [ 654.333527][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 654.333527][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 654.333527][ T7704] ip6_route_add+0x1c/0x140 [ 654.333527][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 654.333527][ T7704] inet6_addr_add+0x4f8/0xa40 [ 654.333527][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 654.333527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.333527][ T7704] netlink_rcv_skb+0x130/0x360 [ 654.333527][ T7704] netlink_unicast+0x449/0x710 [ 654.333527][ T7704] netlink_sendmsg+0x723/0xbe0 [ 654.333527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 654.333527][ T7704] ___sys_sendmsg+0xee/0x170 [ 654.333527][ T7704] __sys_sendmsg+0xcd/0x170 [ 654.333527][ T7704] do_syscall_64+0xc6/0x1e0 [ 654.333527][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.333527][ T7704] [ 654.335771][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 654.335771][ T7704] netdev_get_by_index+0x5e/0x80 [ 654.335771][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 654.335771][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 654.335771][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 654.335771][ T7704] ipv6_add_addr+0x411/0x2000 [ 654.335771][ T7704] inet6_addr_add+0x30e/0xa40 [ 654.335771][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 654.335771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.335771][ T7704] netlink_rcv_skb+0x130/0x360 [ 654.335771][ T7704] netlink_unicast+0x449/0x710 [ 654.335771][ T7704] netlink_sendmsg+0x723/0xbe0 [ 654.335771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 654.335771][ T7704] ___sys_sendmsg+0xee/0x170 [ 654.335771][ T7704] __sys_sendmsg+0xcd/0x170 [ 654.335771][ T7704] do_syscall_64+0xc6/0x1e0 [ 654.335771][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.335771][ T7704] [ 654.338002][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 654.338002][ T7704] netdev_get_by_index+0x5e/0x80 [ 654.338002][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 654.338002][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 654.338002][ T7704] ip6_route_add+0x1c/0x140 [ 654.338002][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 654.338002][ T7704] addrconf_add_dev+0xe2/0x170 [ 654.338002][ T7704] inet6_addr_add+0x12f/0xa40 [ 654.338002][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 654.338002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.338002][ T7704] netlink_rcv_skb+0x130/0x360 [ 654.338002][ T7704] netlink_unicast+0x449/0x710 [ 654.338002][ T7704] netlink_sendmsg+0x723/0xbe0 [ 654.338002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 654.338002][ T7704] ___sys_sendmsg+0xee/0x170 [ 654.338002][ T7704] __sys_sendmsg+0xcd/0x170 [ 654.338002][ T7704] do_syscall_64+0xc6/0x1e0 [ 654.338002][ T7704] [ 654.340174][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 654.340174][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 654.340174][ T7704] ipv6_find_idev+0x102/0x170 [ 654.340174][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 654.340174][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.340174][ T7704] netlink_rcv_skb+0x130/0x360 [ 654.340174][ T7704] netlink_unicast+0x449/0x710 [ 654.340174][ T7704] netlink_sendmsg+0x723/0xbe0 [ 654.340174][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 654.340174][ T7704] ___sys_sendmsg+0xee/0x170 [ 654.340174][ T7704] __sys_sendmsg+0xcd/0x170 [ 654.340174][ T7704] do_syscall_64+0xc6/0x1e0 [ 654.340174][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.340174][ T7704] [ 654.341876][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 654.341876][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 654.341876][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 654.341876][ T7704] ipv6_find_idev+0x102/0x170 [ 654.341876][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 654.341876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 654.341876][ T7704] netlink_rcv_skb+0x130/0x360 [ 654.341876][ T7704] netlink_unicast+0x449/0x710 [ 654.341876][ T7704] netlink_sendmsg+0x723/0xbe0 [ 654.341876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 654.341876][ T7704] ___sys_sendmsg+0xee/0x170 [ 654.341876][ T7704] __sys_sendmsg+0xcd/0x170 [ 654.341876][ T7704] do_syscall_64+0xc6/0x1e0 [ 654.341876][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 654.341876][ T7704] [ 664.380791][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 664.381274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 664.381274][ T7704] netdev_get_by_index+0x5e/0x80 [ 664.381274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 664.381274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 664.381274][ T7704] ip6_route_add+0x1c/0x140 [ 664.381274][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 664.381274][ T7704] inet6_addr_add+0x4f8/0xa40 [ 664.381274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 664.381274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.381274][ T7704] netlink_rcv_skb+0x130/0x360 [ 664.381274][ T7704] netlink_unicast+0x449/0x710 [ 664.381274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 664.381274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 664.381274][ T7704] ___sys_sendmsg+0xee/0x170 [ 664.381274][ T7704] __sys_sendmsg+0xcd/0x170 [ 664.381274][ T7704] do_syscall_64+0xc6/0x1e0 [ 664.381274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.381274][ T7704] [ 664.383598][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 664.383598][ T7704] netdev_get_by_index+0x5e/0x80 [ 664.383598][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 664.383598][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 664.383598][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 664.383598][ T7704] ipv6_add_addr+0x411/0x2000 [ 664.383598][ T7704] inet6_addr_add+0x30e/0xa40 [ 664.383598][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 664.383598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.383598][ T7704] netlink_rcv_skb+0x130/0x360 [ 664.383598][ T7704] netlink_unicast+0x449/0x710 [ 664.383598][ T7704] netlink_sendmsg+0x723/0xbe0 [ 664.383598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 664.383598][ T7704] ___sys_sendmsg+0xee/0x170 [ 664.383598][ T7704] __sys_sendmsg+0xcd/0x170 [ 664.383598][ T7704] do_syscall_64+0xc6/0x1e0 [ 664.383598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.383598][ T7704] [ 664.385876][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 664.385876][ T7704] netdev_get_by_index+0x5e/0x80 [ 664.385876][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 664.385876][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 664.385876][ T7704] ip6_route_add+0x1c/0x140 [ 664.385876][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 664.385876][ T7704] addrconf_add_dev+0xe2/0x170 [ 664.385876][ T7704] inet6_addr_add+0x12f/0xa40 [ 664.385876][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 664.385876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.385876][ T7704] netlink_rcv_skb+0x130/0x360 [ 664.385876][ T7704] netlink_unicast+0x449/0x710 [ 664.385876][ T7704] netlink_sendmsg+0x723/0xbe0 [ 664.385876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 664.385876][ T7704] ___sys_sendmsg+0xee/0x170 [ 664.385876][ T7704] __sys_sendmsg+0xcd/0x170 [ 664.385876][ T7704] do_syscall_64+0xc6/0x1e0 [ 664.385876][ T7704] [ 664.388124][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 664.388124][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 664.388124][ T7704] ipv6_find_idev+0x102/0x170 [ 664.388124][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 664.388124][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.388124][ T7704] netlink_rcv_skb+0x130/0x360 [ 664.388124][ T7704] netlink_unicast+0x449/0x710 [ 664.388124][ T7704] netlink_sendmsg+0x723/0xbe0 [ 664.388124][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 664.388124][ T7704] ___sys_sendmsg+0xee/0x170 [ 664.388124][ T7704] __sys_sendmsg+0xcd/0x170 [ 664.388124][ T7704] do_syscall_64+0xc6/0x1e0 [ 664.388124][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.388124][ T7704] [ 664.389844][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 664.389844][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 664.389844][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 664.389844][ T7704] ipv6_find_idev+0x102/0x170 [ 664.389844][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 664.389844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 664.389844][ T7704] netlink_rcv_skb+0x130/0x360 [ 664.389844][ T7704] netlink_unicast+0x449/0x710 [ 664.389844][ T7704] netlink_sendmsg+0x723/0xbe0 [ 664.389844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 664.389844][ T7704] ___sys_sendmsg+0xee/0x170 [ 664.389844][ T7704] __sys_sendmsg+0xcd/0x170 [ 664.389844][ T7704] do_syscall_64+0xc6/0x1e0 [ 664.389844][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 664.389844][ T7704] [ 674.628830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 674.629374][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 674.629374][ T7704] netdev_get_by_index+0x5e/0x80 [ 674.629374][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 674.629374][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 674.629374][ T7704] ip6_route_add+0x1c/0x140 [ 674.629374][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 674.629374][ T7704] inet6_addr_add+0x4f8/0xa40 [ 674.629374][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 674.629374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.629374][ T7704] netlink_rcv_skb+0x130/0x360 [ 674.629374][ T7704] netlink_unicast+0x449/0x710 [ 674.629374][ T7704] netlink_sendmsg+0x723/0xbe0 [ 674.629374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 674.629374][ T7704] ___sys_sendmsg+0xee/0x170 [ 674.629374][ T7704] __sys_sendmsg+0xcd/0x170 [ 674.629374][ T7704] do_syscall_64+0xc6/0x1e0 [ 674.629374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.629374][ T7704] [ 674.631658][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 674.631658][ T7704] netdev_get_by_index+0x5e/0x80 [ 674.631658][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 674.631658][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 674.631658][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 674.631658][ T7704] ipv6_add_addr+0x411/0x2000 [ 674.631658][ T7704] inet6_addr_add+0x30e/0xa40 [ 674.631658][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 674.631658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.631658][ T7704] netlink_rcv_skb+0x130/0x360 [ 674.631658][ T7704] netlink_unicast+0x449/0x710 [ 674.631658][ T7704] netlink_sendmsg+0x723/0xbe0 [ 674.631658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 674.631658][ T7704] ___sys_sendmsg+0xee/0x170 [ 674.631658][ T7704] __sys_sendmsg+0xcd/0x170 [ 674.631658][ T7704] do_syscall_64+0xc6/0x1e0 [ 674.631658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.631658][ T7704] [ 674.633879][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 674.633879][ T7704] netdev_get_by_index+0x5e/0x80 [ 674.633879][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 674.633879][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 674.633879][ T7704] ip6_route_add+0x1c/0x140 [ 674.633879][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 674.633879][ T7704] addrconf_add_dev+0xe2/0x170 [ 674.633879][ T7704] inet6_addr_add+0x12f/0xa40 [ 674.633879][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 674.633879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.633879][ T7704] netlink_rcv_skb+0x130/0x360 [ 674.633879][ T7704] netlink_unicast+0x449/0x710 [ 674.633879][ T7704] netlink_sendmsg+0x723/0xbe0 [ 674.633879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 674.633879][ T7704] ___sys_sendmsg+0xee/0x170 [ 674.633879][ T7704] __sys_sendmsg+0xcd/0x170 [ 674.633879][ T7704] do_syscall_64+0xc6/0x1e0 [ 674.633879][ T7704] [ 674.636050][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 674.636050][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 674.636050][ T7704] ipv6_find_idev+0x102/0x170 [ 674.636050][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 674.636050][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.636050][ T7704] netlink_rcv_skb+0x130/0x360 [ 674.636050][ T7704] netlink_unicast+0x449/0x710 [ 674.636050][ T7704] netlink_sendmsg+0x723/0xbe0 [ 674.636050][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 674.636050][ T7704] ___sys_sendmsg+0xee/0x170 [ 674.636050][ T7704] __sys_sendmsg+0xcd/0x170 [ 674.636050][ T7704] do_syscall_64+0xc6/0x1e0 [ 674.636050][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.636050][ T7704] [ 674.637763][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 674.637763][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 674.637763][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 674.637763][ T7704] ipv6_find_idev+0x102/0x170 [ 674.637763][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 674.637763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 674.637763][ T7704] netlink_rcv_skb+0x130/0x360 [ 674.637763][ T7704] netlink_unicast+0x449/0x710 [ 674.637763][ T7704] netlink_sendmsg+0x723/0xbe0 [ 674.637763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 674.637763][ T7704] ___sys_sendmsg+0xee/0x170 [ 674.637763][ T7704] __sys_sendmsg+0xcd/0x170 [ 674.637763][ T7704] do_syscall_64+0xc6/0x1e0 [ 674.637763][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 674.637763][ T7704] [ 684.876793][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 684.877384][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 684.877384][ T7704] netdev_get_by_index+0x5e/0x80 [ 684.877384][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 684.877384][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 684.877384][ T7704] ip6_route_add+0x1c/0x140 [ 684.877384][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 684.877384][ T7704] inet6_addr_add+0x4f8/0xa40 [ 684.877384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 684.877384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 684.877384][ T7704] netlink_rcv_skb+0x130/0x360 [ 684.877384][ T7704] netlink_unicast+0x449/0x710 [ 684.877384][ T7704] netlink_sendmsg+0x723/0xbe0 [ 684.877384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 684.877384][ T7704] ___sys_sendmsg+0xee/0x170 [ 684.877384][ T7704] __sys_sendmsg+0xcd/0x170 [ 684.877384][ T7704] do_syscall_64+0xc6/0x1e0 [ 684.877384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 684.877384][ T7704] [ 684.879625][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 684.879625][ T7704] netdev_get_by_index+0x5e/0x80 [ 684.879625][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 684.879625][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 684.879625][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 684.879625][ T7704] ipv6_add_addr+0x411/0x2000 [ 684.879625][ T7704] inet6_addr_add+0x30e/0xa40 [ 684.879625][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 684.879625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 684.879625][ T7704] netlink_rcv_skb+0x130/0x360 [ 684.879625][ T7704] netlink_unicast+0x449/0x710 [ 684.879625][ T7704] netlink_sendmsg+0x723/0xbe0 [ 684.879625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 684.879625][ T7704] ___sys_sendmsg+0xee/0x170 [ 684.879625][ T7704] __sys_sendmsg+0xcd/0x170 [ 684.879625][ T7704] do_syscall_64+0xc6/0x1e0 [ 684.879625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 684.879625][ T7704] [ 684.881847][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 684.881847][ T7704] netdev_get_by_index+0x5e/0x80 [ 684.881847][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 684.881847][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 684.881847][ T7704] ip6_route_add+0x1c/0x140 [ 684.881847][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 684.881847][ T7704] addrconf_add_dev+0xe2/0x170 [ 684.881847][ T7704] inet6_addr_add+0x12f/0xa40 [ 684.881847][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 684.881847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 684.881847][ T7704] netlink_rcv_skb+0x130/0x360 [ 684.881847][ T7704] netlink_unicast+0x449/0x710 [ 684.881847][ T7704] netlink_sendmsg+0x723/0xbe0 [ 684.881847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 684.881847][ T7704] ___sys_sendmsg+0xee/0x170 [ 684.881847][ T7704] __sys_sendmsg+0xcd/0x170 [ 684.881847][ T7704] do_syscall_64+0xc6/0x1e0 [ 684.881847][ T7704] [ 684.884028][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 684.884028][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 684.884028][ T7704] ipv6_find_idev+0x102/0x170 [ 684.884028][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 684.884028][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 684.884028][ T7704] netlink_rcv_skb+0x130/0x360 [ 684.884028][ T7704] netlink_unicast+0x449/0x710 [ 684.884028][ T7704] netlink_sendmsg+0x723/0xbe0 [ 684.884028][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 684.884028][ T7704] ___sys_sendmsg+0xee/0x170 [ 684.884028][ T7704] __sys_sendmsg+0xcd/0x170 [ 684.884028][ T7704] do_syscall_64+0xc6/0x1e0 [ 684.884028][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 684.884028][ T7704] [ 684.885740][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 684.885740][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 684.885740][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 684.885740][ T7704] ipv6_find_idev+0x102/0x170 [ 684.885740][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 684.885740][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 684.885740][ T7704] netlink_rcv_skb+0x130/0x360 [ 684.885740][ T7704] netlink_unicast+0x449/0x710 [ 684.885740][ T7704] netlink_sendmsg+0x723/0xbe0 [ 684.885740][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 684.885740][ T7704] ___sys_sendmsg+0xee/0x170 [ 684.885740][ T7704] __sys_sendmsg+0xcd/0x170 [ 684.885740][ T7704] do_syscall_64+0xc6/0x1e0 [ 684.885740][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 684.885740][ T7704] [ 695.156886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 695.157441][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 695.157441][ T7704] netdev_get_by_index+0x5e/0x80 [ 695.157441][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 695.157441][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 695.157441][ T7704] ip6_route_add+0x1c/0x140 [ 695.157441][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 695.157441][ T7704] inet6_addr_add+0x4f8/0xa40 [ 695.157441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 695.157441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.157441][ T7704] netlink_rcv_skb+0x130/0x360 [ 695.157441][ T7704] netlink_unicast+0x449/0x710 [ 695.157441][ T7704] netlink_sendmsg+0x723/0xbe0 [ 695.157441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 695.157441][ T7704] ___sys_sendmsg+0xee/0x170 [ 695.157441][ T7704] __sys_sendmsg+0xcd/0x170 [ 695.157441][ T7704] do_syscall_64+0xc6/0x1e0 [ 695.157441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.157441][ T7704] [ 695.159689][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 695.159689][ T7704] netdev_get_by_index+0x5e/0x80 [ 695.159689][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 695.159689][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 695.159689][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 695.159689][ T7704] ipv6_add_addr+0x411/0x2000 [ 695.159689][ T7704] inet6_addr_add+0x30e/0xa40 [ 695.159689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 695.159689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.159689][ T7704] netlink_rcv_skb+0x130/0x360 [ 695.159689][ T7704] netlink_unicast+0x449/0x710 [ 695.159689][ T7704] netlink_sendmsg+0x723/0xbe0 [ 695.159689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 695.159689][ T7704] ___sys_sendmsg+0xee/0x170 [ 695.159689][ T7704] __sys_sendmsg+0xcd/0x170 [ 695.159689][ T7704] do_syscall_64+0xc6/0x1e0 [ 695.159689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.159689][ T7704] [ 695.161898][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 695.161898][ T7704] netdev_get_by_index+0x5e/0x80 [ 695.161898][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 695.161898][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 695.161898][ T7704] ip6_route_add+0x1c/0x140 [ 695.161898][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 695.161898][ T7704] addrconf_add_dev+0xe2/0x170 [ 695.161898][ T7704] inet6_addr_add+0x12f/0xa40 [ 695.161898][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 695.161898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.161898][ T7704] netlink_rcv_skb+0x130/0x360 [ 695.161898][ T7704] netlink_unicast+0x449/0x710 [ 695.161898][ T7704] netlink_sendmsg+0x723/0xbe0 [ 695.161898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 695.161898][ T7704] ___sys_sendmsg+0xee/0x170 [ 695.161898][ T7704] __sys_sendmsg+0xcd/0x170 [ 695.161898][ T7704] do_syscall_64+0xc6/0x1e0 [ 695.161898][ T7704] [ 695.164082][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 695.164082][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 695.164082][ T7704] ipv6_find_idev+0x102/0x170 [ 695.164082][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.164082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.164082][ T7704] netlink_rcv_skb+0x130/0x360 [ 695.164082][ T7704] netlink_unicast+0x449/0x710 [ 695.164082][ T7704] netlink_sendmsg+0x723/0xbe0 [ 695.164082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 695.164082][ T7704] ___sys_sendmsg+0xee/0x170 [ 695.164082][ T7704] __sys_sendmsg+0xcd/0x170 [ 695.164082][ T7704] do_syscall_64+0xc6/0x1e0 [ 695.164082][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.164082][ T7704] [ 695.165785][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 695.165785][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 695.165785][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 695.165785][ T7704] ipv6_find_idev+0x102/0x170 [ 695.165785][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.165785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.165785][ T7704] netlink_rcv_skb+0x130/0x360 [ 695.165785][ T7704] netlink_unicast+0x449/0x710 [ 695.165785][ T7704] netlink_sendmsg+0x723/0xbe0 [ 695.165785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 695.165785][ T7704] ___sys_sendmsg+0xee/0x170 [ 695.165785][ T7704] __sys_sendmsg+0xcd/0x170 [ 695.165785][ T7704] do_syscall_64+0xc6/0x1e0 [ 695.165785][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.165785][ T7704] [ 705.404822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 705.405319][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 705.405319][ T7704] netdev_get_by_index+0x5e/0x80 [ 705.405319][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 705.405319][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 705.405319][ T7704] ip6_route_add+0x1c/0x140 [ 705.405319][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 705.405319][ T7704] inet6_addr_add+0x4f8/0xa40 [ 705.405319][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 705.405319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.405319][ T7704] netlink_rcv_skb+0x130/0x360 [ 705.405319][ T7704] netlink_unicast+0x449/0x710 [ 705.405319][ T7704] netlink_sendmsg+0x723/0xbe0 [ 705.405319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 705.405319][ T7704] ___sys_sendmsg+0xee/0x170 [ 705.405319][ T7704] __sys_sendmsg+0xcd/0x170 [ 705.405319][ T7704] do_syscall_64+0xc6/0x1e0 [ 705.405319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.405319][ T7704] [ 705.407760][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 705.407760][ T7704] netdev_get_by_index+0x5e/0x80 [ 705.407760][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 705.407760][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 705.407760][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 705.407760][ T7704] ipv6_add_addr+0x411/0x2000 [ 705.407760][ T7704] inet6_addr_add+0x30e/0xa40 [ 705.407760][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 705.407760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.407760][ T7704] netlink_rcv_skb+0x130/0x360 [ 705.407760][ T7704] netlink_unicast+0x449/0x710 [ 705.407760][ T7704] netlink_sendmsg+0x723/0xbe0 [ 705.407760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 705.407760][ T7704] ___sys_sendmsg+0xee/0x170 [ 705.407760][ T7704] __sys_sendmsg+0xcd/0x170 [ 705.407760][ T7704] do_syscall_64+0xc6/0x1e0 [ 705.407760][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.407760][ T7704] [ 705.410174][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 705.410174][ T7704] netdev_get_by_index+0x5e/0x80 [ 705.410174][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 705.410174][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 705.410174][ T7704] ip6_route_add+0x1c/0x140 [ 705.410174][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 705.410174][ T7704] addrconf_add_dev+0xe2/0x170 [ 705.410174][ T7704] inet6_addr_add+0x12f/0xa40 [ 705.410174][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 705.410174][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.410174][ T7704] netlink_rcv_skb+0x130/0x360 [ 705.410174][ T7704] netlink_unicast+0x449/0x710 [ 705.410174][ T7704] netlink_sendmsg+0x723/0xbe0 [ 705.410174][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 705.410174][ T7704] ___sys_sendmsg+0xee/0x170 [ 705.410174][ T7704] __sys_sendmsg+0xcd/0x170 [ 705.410174][ T7704] do_syscall_64+0xc6/0x1e0 [ 705.410174][ T7704] [ 705.412547][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 705.412547][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 705.412547][ T7704] ipv6_find_idev+0x102/0x170 [ 705.412547][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.412547][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.412547][ T7704] netlink_rcv_skb+0x130/0x360 [ 705.412547][ T7704] netlink_unicast+0x449/0x710 [ 705.412547][ T7704] netlink_sendmsg+0x723/0xbe0 [ 705.412547][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 705.412547][ T7704] ___sys_sendmsg+0xee/0x170 [ 705.412547][ T7704] __sys_sendmsg+0xcd/0x170 [ 705.412547][ T7704] do_syscall_64+0xc6/0x1e0 [ 705.412547][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.412547][ T7704] [ 705.414383][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 705.414383][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 705.414383][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 705.414383][ T7704] ipv6_find_idev+0x102/0x170 [ 705.414383][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.414383][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.414383][ T7704] netlink_rcv_skb+0x130/0x360 [ 705.414383][ T7704] netlink_unicast+0x449/0x710 [ 705.414383][ T7704] netlink_sendmsg+0x723/0xbe0 [ 705.414383][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 705.414383][ T7704] ___sys_sendmsg+0xee/0x170 [ 705.414383][ T7704] __sys_sendmsg+0xcd/0x170 [ 705.414383][ T7704] do_syscall_64+0xc6/0x1e0 [ 705.414383][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.414383][ T7704] [ 715.652842][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 715.653497][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 715.653497][ T7704] netdev_get_by_index+0x5e/0x80 [ 715.653497][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 715.653497][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 715.653497][ T7704] ip6_route_add+0x1c/0x140 [ 715.653497][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 715.653497][ T7704] inet6_addr_add+0x4f8/0xa40 [ 715.653497][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 715.653497][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.653497][ T7704] netlink_rcv_skb+0x130/0x360 [ 715.653497][ T7704] netlink_unicast+0x449/0x710 [ 715.653497][ T7704] netlink_sendmsg+0x723/0xbe0 [ 715.653497][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 715.653497][ T7704] ___sys_sendmsg+0xee/0x170 [ 715.653497][ T7704] __sys_sendmsg+0xcd/0x170 [ 715.653497][ T7704] do_syscall_64+0xc6/0x1e0 [ 715.653497][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.653497][ T7704] [ 715.655928][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 715.655928][ T7704] netdev_get_by_index+0x5e/0x80 [ 715.655928][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 715.655928][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 715.655928][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 715.655928][ T7704] ipv6_add_addr+0x411/0x2000 [ 715.655928][ T7704] inet6_addr_add+0x30e/0xa40 [ 715.655928][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 715.655928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.655928][ T7704] netlink_rcv_skb+0x130/0x360 [ 715.655928][ T7704] netlink_unicast+0x449/0x710 [ 715.655928][ T7704] netlink_sendmsg+0x723/0xbe0 [ 715.655928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 715.655928][ T7704] ___sys_sendmsg+0xee/0x170 [ 715.655928][ T7704] __sys_sendmsg+0xcd/0x170 [ 715.655928][ T7704] do_syscall_64+0xc6/0x1e0 [ 715.655928][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.655928][ T7704] [ 715.658195][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 715.658195][ T7704] netdev_get_by_index+0x5e/0x80 [ 715.658195][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 715.658195][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 715.658195][ T7704] ip6_route_add+0x1c/0x140 [ 715.658195][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 715.658195][ T7704] addrconf_add_dev+0xe2/0x170 [ 715.658195][ T7704] inet6_addr_add+0x12f/0xa40 [ 715.658195][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 715.658195][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.658195][ T7704] netlink_rcv_skb+0x130/0x360 [ 715.658195][ T7704] netlink_unicast+0x449/0x710 [ 715.658195][ T7704] netlink_sendmsg+0x723/0xbe0 [ 715.658195][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 715.658195][ T7704] ___sys_sendmsg+0xee/0x170 [ 715.658195][ T7704] __sys_sendmsg+0xcd/0x170 [ 715.658195][ T7704] do_syscall_64+0xc6/0x1e0 [ 715.658195][ T7704] [ 715.660395][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 715.660395][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 715.660395][ T7704] ipv6_find_idev+0x102/0x170 [ 715.660395][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 715.660395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.660395][ T7704] netlink_rcv_skb+0x130/0x360 [ 715.660395][ T7704] netlink_unicast+0x449/0x710 [ 715.660395][ T7704] netlink_sendmsg+0x723/0xbe0 [ 715.660395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 715.660395][ T7704] ___sys_sendmsg+0xee/0x170 [ 715.660395][ T7704] __sys_sendmsg+0xcd/0x170 [ 715.660395][ T7704] do_syscall_64+0xc6/0x1e0 [ 715.660395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.660395][ T7704] [ 715.662133][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 715.662133][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 715.662133][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 715.662133][ T7704] ipv6_find_idev+0x102/0x170 [ 715.662133][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 715.662133][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 715.662133][ T7704] netlink_rcv_skb+0x130/0x360 [ 715.662133][ T7704] netlink_unicast+0x449/0x710 [ 715.662133][ T7704] netlink_sendmsg+0x723/0xbe0 [ 715.662133][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 715.662133][ T7704] ___sys_sendmsg+0xee/0x170 [ 715.662133][ T7704] __sys_sendmsg+0xcd/0x170 [ 715.662133][ T7704] do_syscall_64+0xc6/0x1e0 [ 715.662133][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 715.662133][ T7704] [ 725.868776][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 725.869428][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 725.869428][ T7704] netdev_get_by_index+0x5e/0x80 [ 725.869428][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 725.869428][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 725.869428][ T7704] ip6_route_add+0x1c/0x140 [ 725.869428][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 725.869428][ T7704] inet6_addr_add+0x4f8/0xa40 [ 725.869428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 725.869428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.869428][ T7704] netlink_rcv_skb+0x130/0x360 [ 725.869428][ T7704] netlink_unicast+0x449/0x710 [ 725.869428][ T7704] netlink_sendmsg+0x723/0xbe0 [ 725.869428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 725.869428][ T7704] ___sys_sendmsg+0xee/0x170 [ 725.869428][ T7704] __sys_sendmsg+0xcd/0x170 [ 725.869428][ T7704] do_syscall_64+0xc6/0x1e0 [ 725.869428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.869428][ T7704] [ 725.872997][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 725.872997][ T7704] netdev_get_by_index+0x5e/0x80 [ 725.872997][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 725.872997][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 725.872997][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 725.872997][ T7704] ipv6_add_addr+0x411/0x2000 [ 725.872997][ T7704] inet6_addr_add+0x30e/0xa40 [ 725.872997][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 725.872997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.872997][ T7704] netlink_rcv_skb+0x130/0x360 [ 725.872997][ T7704] netlink_unicast+0x449/0x710 [ 725.872997][ T7704] netlink_sendmsg+0x723/0xbe0 [ 725.872997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 725.872997][ T7704] ___sys_sendmsg+0xee/0x170 [ 725.872997][ T7704] __sys_sendmsg+0xcd/0x170 [ 725.872997][ T7704] do_syscall_64+0xc6/0x1e0 [ 725.872997][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.872997][ T7704] [ 725.876505][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 725.876505][ T7704] netdev_get_by_index+0x5e/0x80 [ 725.876505][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 725.876505][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 725.876505][ T7704] ip6_route_add+0x1c/0x140 [ 725.876505][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 725.876505][ T7704] addrconf_add_dev+0xe2/0x170 [ 725.876505][ T7704] inet6_addr_add+0x12f/0xa40 [ 725.876505][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 725.876505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.876505][ T7704] netlink_rcv_skb+0x130/0x360 [ 725.876505][ T7704] netlink_unicast+0x449/0x710 [ 725.876505][ T7704] netlink_sendmsg+0x723/0xbe0 [ 725.876505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 725.876505][ T7704] ___sys_sendmsg+0xee/0x170 [ 725.876505][ T7704] __sys_sendmsg+0xcd/0x170 [ 725.876505][ T7704] do_syscall_64+0xc6/0x1e0 [ 725.876505][ T7704] [ 725.879984][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 725.879984][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 725.879984][ T7704] ipv6_find_idev+0x102/0x170 [ 725.879984][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 725.879984][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.879984][ T7704] netlink_rcv_skb+0x130/0x360 [ 725.879984][ T7704] netlink_unicast+0x449/0x710 [ 725.879984][ T7704] netlink_sendmsg+0x723/0xbe0 [ 725.879984][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 725.879984][ T7704] ___sys_sendmsg+0xee/0x170 [ 725.879984][ T7704] __sys_sendmsg+0xcd/0x170 [ 725.879984][ T7704] do_syscall_64+0xc6/0x1e0 [ 725.879984][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.879984][ T7704] [ 725.882676][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 725.882676][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 725.882676][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 725.882676][ T7704] ipv6_find_idev+0x102/0x170 [ 725.882676][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 725.882676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 725.882676][ T7704] netlink_rcv_skb+0x130/0x360 [ 725.882676][ T7704] netlink_unicast+0x449/0x710 [ 725.882676][ T7704] netlink_sendmsg+0x723/0xbe0 [ 725.882676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 725.882676][ T7704] ___sys_sendmsg+0xee/0x170 [ 725.882676][ T7704] __sys_sendmsg+0xcd/0x170 [ 725.882676][ T7704] do_syscall_64+0xc6/0x1e0 [ 725.882676][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 725.882676][ T7704] [ 736.132912][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 736.133450][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 736.133450][ T7704] netdev_get_by_index+0x5e/0x80 [ 736.133450][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 736.133450][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 736.133450][ T7704] ip6_route_add+0x1c/0x140 [ 736.133450][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 736.133450][ T7704] inet6_addr_add+0x4f8/0xa40 [ 736.133450][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 736.133450][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.133450][ T7704] netlink_rcv_skb+0x130/0x360 [ 736.133450][ T7704] netlink_unicast+0x449/0x710 [ 736.133450][ T7704] netlink_sendmsg+0x723/0xbe0 [ 736.133450][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 736.133450][ T7704] ___sys_sendmsg+0xee/0x170 [ 736.133450][ T7704] __sys_sendmsg+0xcd/0x170 [ 736.133450][ T7704] do_syscall_64+0xc6/0x1e0 [ 736.133450][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.133450][ T7704] [ 736.135685][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 736.135685][ T7704] netdev_get_by_index+0x5e/0x80 [ 736.135685][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 736.135685][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 736.135685][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 736.135685][ T7704] ipv6_add_addr+0x411/0x2000 [ 736.135685][ T7704] inet6_addr_add+0x30e/0xa40 [ 736.135685][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 736.135685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.135685][ T7704] netlink_rcv_skb+0x130/0x360 [ 736.135685][ T7704] netlink_unicast+0x449/0x710 [ 736.135685][ T7704] netlink_sendmsg+0x723/0xbe0 [ 736.135685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 736.135685][ T7704] ___sys_sendmsg+0xee/0x170 [ 736.135685][ T7704] __sys_sendmsg+0xcd/0x170 [ 736.135685][ T7704] do_syscall_64+0xc6/0x1e0 [ 736.135685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.135685][ T7704] [ 736.137900][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 736.137900][ T7704] netdev_get_by_index+0x5e/0x80 [ 736.137900][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 736.137900][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 736.137900][ T7704] ip6_route_add+0x1c/0x140 [ 736.137900][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 736.137900][ T7704] addrconf_add_dev+0xe2/0x170 [ 736.137900][ T7704] inet6_addr_add+0x12f/0xa40 [ 736.137900][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 736.137900][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.137900][ T7704] netlink_rcv_skb+0x130/0x360 [ 736.137900][ T7704] netlink_unicast+0x449/0x710 [ 736.137900][ T7704] netlink_sendmsg+0x723/0xbe0 [ 736.137900][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 736.137900][ T7704] ___sys_sendmsg+0xee/0x170 [ 736.137900][ T7704] __sys_sendmsg+0xcd/0x170 [ 736.137900][ T7704] do_syscall_64+0xc6/0x1e0 [ 736.137900][ T7704] [ 736.140119][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 736.140119][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 736.140119][ T7704] ipv6_find_idev+0x102/0x170 [ 736.140119][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.140119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.140119][ T7704] netlink_rcv_skb+0x130/0x360 [ 736.140119][ T7704] netlink_unicast+0x449/0x710 [ 736.140119][ T7704] netlink_sendmsg+0x723/0xbe0 [ 736.140119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 736.140119][ T7704] ___sys_sendmsg+0xee/0x170 [ 736.140119][ T7704] __sys_sendmsg+0xcd/0x170 [ 736.140119][ T7704] do_syscall_64+0xc6/0x1e0 [ 736.140119][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.140119][ T7704] [ 736.141822][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 736.141822][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 736.141822][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 736.141822][ T7704] ipv6_find_idev+0x102/0x170 [ 736.141822][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.141822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.141822][ T7704] netlink_rcv_skb+0x130/0x360 [ 736.141822][ T7704] netlink_unicast+0x449/0x710 [ 736.141822][ T7704] netlink_sendmsg+0x723/0xbe0 [ 736.141822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 736.141822][ T7704] ___sys_sendmsg+0xee/0x170 [ 736.141822][ T7704] __sys_sendmsg+0xcd/0x170 [ 736.141822][ T7704] do_syscall_64+0xc6/0x1e0 [ 736.141822][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.141822][ T7704] [ 746.396830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 746.397332][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 746.397332][ T7704] netdev_get_by_index+0x5e/0x80 [ 746.397332][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 746.397332][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 746.397332][ T7704] ip6_route_add+0x1c/0x140 [ 746.397332][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 746.397332][ T7704] inet6_addr_add+0x4f8/0xa40 [ 746.397332][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 746.397332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.397332][ T7704] netlink_rcv_skb+0x130/0x360 [ 746.397332][ T7704] netlink_unicast+0x449/0x710 [ 746.397332][ T7704] netlink_sendmsg+0x723/0xbe0 [ 746.397332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 746.397332][ T7704] ___sys_sendmsg+0xee/0x170 [ 746.397332][ T7704] __sys_sendmsg+0xcd/0x170 [ 746.397332][ T7704] do_syscall_64+0xc6/0x1e0 [ 746.397332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.397332][ T7704] [ 746.399779][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 746.399779][ T7704] netdev_get_by_index+0x5e/0x80 [ 746.399779][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 746.399779][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 746.399779][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 746.399779][ T7704] ipv6_add_addr+0x411/0x2000 [ 746.399779][ T7704] inet6_addr_add+0x30e/0xa40 [ 746.399779][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 746.399779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.399779][ T7704] netlink_rcv_skb+0x130/0x360 [ 746.399779][ T7704] netlink_unicast+0x449/0x710 [ 746.399779][ T7704] netlink_sendmsg+0x723/0xbe0 [ 746.399779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 746.399779][ T7704] ___sys_sendmsg+0xee/0x170 [ 746.399779][ T7704] __sys_sendmsg+0xcd/0x170 [ 746.399779][ T7704] do_syscall_64+0xc6/0x1e0 [ 746.399779][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.399779][ T7704] [ 746.402179][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 746.402179][ T7704] netdev_get_by_index+0x5e/0x80 [ 746.402179][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 746.402179][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 746.402179][ T7704] ip6_route_add+0x1c/0x140 [ 746.402179][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 746.402179][ T7704] addrconf_add_dev+0xe2/0x170 [ 746.402179][ T7704] inet6_addr_add+0x12f/0xa40 [ 746.402179][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 746.402179][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.402179][ T7704] netlink_rcv_skb+0x130/0x360 [ 746.402179][ T7704] netlink_unicast+0x449/0x710 [ 746.402179][ T7704] netlink_sendmsg+0x723/0xbe0 [ 746.402179][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 746.402179][ T7704] ___sys_sendmsg+0xee/0x170 [ 746.402179][ T7704] __sys_sendmsg+0xcd/0x170 [ 746.402179][ T7704] do_syscall_64+0xc6/0x1e0 [ 746.402179][ T7704] [ 746.404521][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 746.404521][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 746.404521][ T7704] ipv6_find_idev+0x102/0x170 [ 746.404521][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.404521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.404521][ T7704] netlink_rcv_skb+0x130/0x360 [ 746.404521][ T7704] netlink_unicast+0x449/0x710 [ 746.404521][ T7704] netlink_sendmsg+0x723/0xbe0 [ 746.404521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 746.404521][ T7704] ___sys_sendmsg+0xee/0x170 [ 746.404521][ T7704] __sys_sendmsg+0xcd/0x170 [ 746.404521][ T7704] do_syscall_64+0xc6/0x1e0 [ 746.404521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.404521][ T7704] [ 746.406350][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 746.406350][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 746.406350][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 746.406350][ T7704] ipv6_find_idev+0x102/0x170 [ 746.406350][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.406350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.406350][ T7704] netlink_rcv_skb+0x130/0x360 [ 746.406350][ T7704] netlink_unicast+0x449/0x710 [ 746.406350][ T7704] netlink_sendmsg+0x723/0xbe0 [ 746.406350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 746.406350][ T7704] ___sys_sendmsg+0xee/0x170 [ 746.406350][ T7704] __sys_sendmsg+0xcd/0x170 [ 746.406350][ T7704] do_syscall_64+0xc6/0x1e0 [ 746.406350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.406350][ T7704] [ 756.652843][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 756.653376][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 756.653376][ T7704] netdev_get_by_index+0x5e/0x80 [ 756.653376][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 756.653376][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 756.653376][ T7704] ip6_route_add+0x1c/0x140 [ 756.653376][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 756.653376][ T7704] inet6_addr_add+0x4f8/0xa40 [ 756.653376][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 756.653376][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.653376][ T7704] netlink_rcv_skb+0x130/0x360 [ 756.653376][ T7704] netlink_unicast+0x449/0x710 [ 756.653376][ T7704] netlink_sendmsg+0x723/0xbe0 [ 756.653376][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 756.653376][ T7704] ___sys_sendmsg+0xee/0x170 [ 756.653376][ T7704] __sys_sendmsg+0xcd/0x170 [ 756.653376][ T7704] do_syscall_64+0xc6/0x1e0 [ 756.653376][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.653376][ T7704] [ 756.655638][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 756.655638][ T7704] netdev_get_by_index+0x5e/0x80 [ 756.655638][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 756.655638][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 756.655638][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 756.655638][ T7704] ipv6_add_addr+0x411/0x2000 [ 756.655638][ T7704] inet6_addr_add+0x30e/0xa40 [ 756.655638][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 756.655638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.655638][ T7704] netlink_rcv_skb+0x130/0x360 [ 756.655638][ T7704] netlink_unicast+0x449/0x710 [ 756.655638][ T7704] netlink_sendmsg+0x723/0xbe0 [ 756.655638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 756.655638][ T7704] ___sys_sendmsg+0xee/0x170 [ 756.655638][ T7704] __sys_sendmsg+0xcd/0x170 [ 756.655638][ T7704] do_syscall_64+0xc6/0x1e0 [ 756.655638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.655638][ T7704] [ 756.657855][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 756.657855][ T7704] netdev_get_by_index+0x5e/0x80 [ 756.657855][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 756.657855][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 756.657855][ T7704] ip6_route_add+0x1c/0x140 [ 756.657855][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 756.657855][ T7704] addrconf_add_dev+0xe2/0x170 [ 756.657855][ T7704] inet6_addr_add+0x12f/0xa40 [ 756.657855][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 756.657855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.657855][ T7704] netlink_rcv_skb+0x130/0x360 [ 756.657855][ T7704] netlink_unicast+0x449/0x710 [ 756.657855][ T7704] netlink_sendmsg+0x723/0xbe0 [ 756.657855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 756.657855][ T7704] ___sys_sendmsg+0xee/0x170 [ 756.657855][ T7704] __sys_sendmsg+0xcd/0x170 [ 756.657855][ T7704] do_syscall_64+0xc6/0x1e0 [ 756.657855][ T7704] [ 756.660024][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 756.660024][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 756.660024][ T7704] ipv6_find_idev+0x102/0x170 [ 756.660024][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.660024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.660024][ T7704] netlink_rcv_skb+0x130/0x360 [ 756.660024][ T7704] netlink_unicast+0x449/0x710 [ 756.660024][ T7704] netlink_sendmsg+0x723/0xbe0 [ 756.660024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 756.660024][ T7704] ___sys_sendmsg+0xee/0x170 [ 756.660024][ T7704] __sys_sendmsg+0xcd/0x170 [ 756.660024][ T7704] do_syscall_64+0xc6/0x1e0 [ 756.660024][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.660024][ T7704] [ 756.661721][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 756.661721][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 756.661721][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 756.661721][ T7704] ipv6_find_idev+0x102/0x170 [ 756.661721][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 756.661721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 756.661721][ T7704] netlink_rcv_skb+0x130/0x360 [ 756.661721][ T7704] netlink_unicast+0x449/0x710 [ 756.661721][ T7704] netlink_sendmsg+0x723/0xbe0 [ 756.661721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 756.661721][ T7704] ___sys_sendmsg+0xee/0x170 [ 756.661721][ T7704] __sys_sendmsg+0xcd/0x170 [ 756.661721][ T7704] do_syscall_64+0xc6/0x1e0 [ 756.661721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 756.661721][ T7704] [ 766.908832][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 766.909369][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 766.909369][ T7704] netdev_get_by_index+0x5e/0x80 [ 766.909369][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 766.909369][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 766.909369][ T7704] ip6_route_add+0x1c/0x140 [ 766.909369][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 766.909369][ T7704] inet6_addr_add+0x4f8/0xa40 [ 766.909369][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 766.909369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.909369][ T7704] netlink_rcv_skb+0x130/0x360 [ 766.909369][ T7704] netlink_unicast+0x449/0x710 [ 766.909369][ T7704] netlink_sendmsg+0x723/0xbe0 [ 766.909369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 766.909369][ T7704] ___sys_sendmsg+0xee/0x170 [ 766.909369][ T7704] __sys_sendmsg+0xcd/0x170 [ 766.909369][ T7704] do_syscall_64+0xc6/0x1e0 [ 766.909369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.909369][ T7704] [ 766.911632][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 766.911632][ T7704] netdev_get_by_index+0x5e/0x80 [ 766.911632][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 766.911632][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 766.911632][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 766.911632][ T7704] ipv6_add_addr+0x411/0x2000 [ 766.911632][ T7704] inet6_addr_add+0x30e/0xa40 [ 766.911632][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 766.911632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.911632][ T7704] netlink_rcv_skb+0x130/0x360 [ 766.911632][ T7704] netlink_unicast+0x449/0x710 [ 766.911632][ T7704] netlink_sendmsg+0x723/0xbe0 [ 766.911632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 766.911632][ T7704] ___sys_sendmsg+0xee/0x170 [ 766.911632][ T7704] __sys_sendmsg+0xcd/0x170 [ 766.911632][ T7704] do_syscall_64+0xc6/0x1e0 [ 766.911632][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.911632][ T7704] [ 766.914432][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 766.914432][ T7704] netdev_get_by_index+0x5e/0x80 [ 766.914432][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 766.914432][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 766.914432][ T7704] ip6_route_add+0x1c/0x140 [ 766.914432][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 766.914432][ T7704] addrconf_add_dev+0xe2/0x170 [ 766.914432][ T7704] inet6_addr_add+0x12f/0xa40 [ 766.914432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 766.914432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.914432][ T7704] netlink_rcv_skb+0x130/0x360 [ 766.914432][ T7704] netlink_unicast+0x449/0x710 [ 766.914432][ T7704] netlink_sendmsg+0x723/0xbe0 [ 766.914432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 766.914432][ T7704] ___sys_sendmsg+0xee/0x170 [ 766.914432][ T7704] __sys_sendmsg+0xcd/0x170 [ 766.914432][ T7704] do_syscall_64+0xc6/0x1e0 [ 766.914432][ T7704] [ 766.916682][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 766.916682][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 766.916682][ T7704] ipv6_find_idev+0x102/0x170 [ 766.916682][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 766.916682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.916682][ T7704] netlink_rcv_skb+0x130/0x360 [ 766.916682][ T7704] netlink_unicast+0x449/0x710 [ 766.916682][ T7704] netlink_sendmsg+0x723/0xbe0 [ 766.916682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 766.916682][ T7704] ___sys_sendmsg+0xee/0x170 [ 766.916682][ T7704] __sys_sendmsg+0xcd/0x170 [ 766.916682][ T7704] do_syscall_64+0xc6/0x1e0 [ 766.916682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.916682][ T7704] [ 766.918488][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 766.918488][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 766.918488][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 766.918488][ T7704] ipv6_find_idev+0x102/0x170 [ 766.918488][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 766.918488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 766.918488][ T7704] netlink_rcv_skb+0x130/0x360 [ 766.918488][ T7704] netlink_unicast+0x449/0x710 [ 766.918488][ T7704] netlink_sendmsg+0x723/0xbe0 [ 766.918488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 766.918488][ T7704] ___sys_sendmsg+0xee/0x170 [ 766.918488][ T7704] __sys_sendmsg+0xcd/0x170 [ 766.918488][ T7704] do_syscall_64+0xc6/0x1e0 [ 766.918488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 766.918488][ T7704] [ 777.164903][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 777.165416][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 777.165416][ T7704] netdev_get_by_index+0x5e/0x80 [ 777.165416][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 777.165416][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 777.165416][ T7704] ip6_route_add+0x1c/0x140 [ 777.165416][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 777.165416][ T7704] inet6_addr_add+0x4f8/0xa40 [ 777.165416][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 777.165416][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.165416][ T7704] netlink_rcv_skb+0x130/0x360 [ 777.165416][ T7704] netlink_unicast+0x449/0x710 [ 777.165416][ T7704] netlink_sendmsg+0x723/0xbe0 [ 777.165416][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 777.165416][ T7704] ___sys_sendmsg+0xee/0x170 [ 777.165416][ T7704] __sys_sendmsg+0xcd/0x170 [ 777.165416][ T7704] do_syscall_64+0xc6/0x1e0 [ 777.165416][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.165416][ T7704] [ 777.167869][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 777.167869][ T7704] netdev_get_by_index+0x5e/0x80 [ 777.167869][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 777.167869][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 777.167869][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 777.167869][ T7704] ipv6_add_addr+0x411/0x2000 [ 777.167869][ T7704] inet6_addr_add+0x30e/0xa40 [ 777.167869][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 777.167869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.167869][ T7704] netlink_rcv_skb+0x130/0x360 [ 777.167869][ T7704] netlink_unicast+0x449/0x710 [ 777.167869][ T7704] netlink_sendmsg+0x723/0xbe0 [ 777.167869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 777.167869][ T7704] ___sys_sendmsg+0xee/0x170 [ 777.167869][ T7704] __sys_sendmsg+0xcd/0x170 [ 777.167869][ T7704] do_syscall_64+0xc6/0x1e0 [ 777.167869][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.167869][ T7704] [ 777.170273][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 777.170273][ T7704] netdev_get_by_index+0x5e/0x80 [ 777.170273][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 777.170273][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 777.170273][ T7704] ip6_route_add+0x1c/0x140 [ 777.170273][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 777.170273][ T7704] addrconf_add_dev+0xe2/0x170 [ 777.170273][ T7704] inet6_addr_add+0x12f/0xa40 [ 777.170273][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 777.170273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.170273][ T7704] netlink_rcv_skb+0x130/0x360 [ 777.170273][ T7704] netlink_unicast+0x449/0x710 [ 777.170273][ T7704] netlink_sendmsg+0x723/0xbe0 [ 777.170273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 777.170273][ T7704] ___sys_sendmsg+0xee/0x170 [ 777.170273][ T7704] __sys_sendmsg+0xcd/0x170 [ 777.170273][ T7704] do_syscall_64+0xc6/0x1e0 [ 777.170273][ T7704] [ 777.172600][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 777.172600][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 777.172600][ T7704] ipv6_find_idev+0x102/0x170 [ 777.172600][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.172600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.172600][ T7704] netlink_rcv_skb+0x130/0x360 [ 777.172600][ T7704] netlink_unicast+0x449/0x710 [ 777.172600][ T7704] netlink_sendmsg+0x723/0xbe0 [ 777.172600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 777.172600][ T7704] ___sys_sendmsg+0xee/0x170 [ 777.172600][ T7704] __sys_sendmsg+0xcd/0x170 [ 777.172600][ T7704] do_syscall_64+0xc6/0x1e0 [ 777.172600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.172600][ T7704] [ 777.174319][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 777.174319][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 777.174319][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 777.174319][ T7704] ipv6_find_idev+0x102/0x170 [ 777.174319][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.174319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.174319][ T7704] netlink_rcv_skb+0x130/0x360 [ 777.174319][ T7704] netlink_unicast+0x449/0x710 [ 777.174319][ T7704] netlink_sendmsg+0x723/0xbe0 [ 777.174319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 777.174319][ T7704] ___sys_sendmsg+0xee/0x170 [ 777.174319][ T7704] __sys_sendmsg+0xcd/0x170 [ 777.174319][ T7704] do_syscall_64+0xc6/0x1e0 [ 777.174319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.174319][ T7704] [ 787.188832][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 787.189385][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 787.189385][ T7704] netdev_get_by_index+0x5e/0x80 [ 787.189385][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 787.189385][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 787.189385][ T7704] ip6_route_add+0x1c/0x140 [ 787.189385][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 787.189385][ T7704] inet6_addr_add+0x4f8/0xa40 [ 787.189385][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 787.189385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.189385][ T7704] netlink_rcv_skb+0x130/0x360 [ 787.189385][ T7704] netlink_unicast+0x449/0x710 [ 787.189385][ T7704] netlink_sendmsg+0x723/0xbe0 [ 787.189385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 787.189385][ T7704] ___sys_sendmsg+0xee/0x170 [ 787.189385][ T7704] __sys_sendmsg+0xcd/0x170 [ 787.189385][ T7704] do_syscall_64+0xc6/0x1e0 [ 787.189385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.189385][ T7704] [ 787.191637][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 787.191637][ T7704] netdev_get_by_index+0x5e/0x80 [ 787.191637][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 787.191637][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 787.191637][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 787.191637][ T7704] ipv6_add_addr+0x411/0x2000 [ 787.191637][ T7704] inet6_addr_add+0x30e/0xa40 [ 787.191637][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 787.191637][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.191637][ T7704] netlink_rcv_skb+0x130/0x360 [ 787.191637][ T7704] netlink_unicast+0x449/0x710 [ 787.191637][ T7704] netlink_sendmsg+0x723/0xbe0 [ 787.191637][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 787.191637][ T7704] ___sys_sendmsg+0xee/0x170 [ 787.191637][ T7704] __sys_sendmsg+0xcd/0x170 [ 787.191637][ T7704] do_syscall_64+0xc6/0x1e0 [ 787.191637][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.191637][ T7704] [ 787.193857][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 787.193857][ T7704] netdev_get_by_index+0x5e/0x80 [ 787.193857][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 787.193857][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 787.193857][ T7704] ip6_route_add+0x1c/0x140 [ 787.193857][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 787.193857][ T7704] addrconf_add_dev+0xe2/0x170 [ 787.193857][ T7704] inet6_addr_add+0x12f/0xa40 [ 787.193857][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 787.193857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.193857][ T7704] netlink_rcv_skb+0x130/0x360 [ 787.193857][ T7704] netlink_unicast+0x449/0x710 [ 787.193857][ T7704] netlink_sendmsg+0x723/0xbe0 [ 787.193857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 787.193857][ T7704] ___sys_sendmsg+0xee/0x170 [ 787.193857][ T7704] __sys_sendmsg+0xcd/0x170 [ 787.193857][ T7704] do_syscall_64+0xc6/0x1e0 [ 787.193857][ T7704] [ 787.196063][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 787.196063][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 787.196063][ T7704] ipv6_find_idev+0x102/0x170 [ 787.196063][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.196063][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.196063][ T7704] netlink_rcv_skb+0x130/0x360 [ 787.196063][ T7704] netlink_unicast+0x449/0x710 [ 787.196063][ T7704] netlink_sendmsg+0x723/0xbe0 [ 787.196063][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 787.196063][ T7704] ___sys_sendmsg+0xee/0x170 [ 787.196063][ T7704] __sys_sendmsg+0xcd/0x170 [ 787.196063][ T7704] do_syscall_64+0xc6/0x1e0 [ 787.196063][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.196063][ T7704] [ 787.198005][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 787.198005][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 787.198005][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 787.198005][ T7704] ipv6_find_idev+0x102/0x170 [ 787.198005][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.198005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.198005][ T7704] netlink_rcv_skb+0x130/0x360 [ 787.198005][ T7704] netlink_unicast+0x449/0x710 [ 787.198005][ T7704] netlink_sendmsg+0x723/0xbe0 [ 787.198005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 787.198005][ T7704] ___sys_sendmsg+0xee/0x170 [ 787.198005][ T7704] __sys_sendmsg+0xcd/0x170 [ 787.198005][ T7704] do_syscall_64+0xc6/0x1e0 [ 787.198005][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.198005][ T7704] [ 797.836854][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 797.837520][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 797.837520][ T7704] netdev_get_by_index+0x5e/0x80 [ 797.837520][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 797.837520][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 797.837520][ T7704] ip6_route_add+0x1c/0x140 [ 797.837520][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 797.837520][ T7704] inet6_addr_add+0x4f8/0xa40 [ 797.837520][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 797.837520][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 797.837520][ T7704] netlink_rcv_skb+0x130/0x360 [ 797.837520][ T7704] netlink_unicast+0x449/0x710 [ 797.837520][ T7704] netlink_sendmsg+0x723/0xbe0 [ 797.837520][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 797.837520][ T7704] ___sys_sendmsg+0xee/0x170 [ 797.837520][ T7704] __sys_sendmsg+0xcd/0x170 [ 797.837520][ T7704] do_syscall_64+0xc6/0x1e0 [ 797.837520][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 797.837520][ T7704] [ 797.841328][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 797.841328][ T7704] netdev_get_by_index+0x5e/0x80 [ 797.841328][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 797.841328][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 797.841328][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 797.841328][ T7704] ipv6_add_addr+0x411/0x2000 [ 797.841328][ T7704] inet6_addr_add+0x30e/0xa40 [ 797.841328][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 797.841328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 797.841328][ T7704] netlink_rcv_skb+0x130/0x360 [ 797.841328][ T7704] netlink_unicast+0x449/0x710 [ 797.841328][ T7704] netlink_sendmsg+0x723/0xbe0 [ 797.841328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 797.841328][ T7704] ___sys_sendmsg+0xee/0x170 [ 797.841328][ T7704] __sys_sendmsg+0xcd/0x170 [ 797.841328][ T7704] do_syscall_64+0xc6/0x1e0 [ 797.841328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 797.841328][ T7704] [ 797.844297][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 797.844297][ T7704] netdev_get_by_index+0x5e/0x80 [ 797.844297][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 797.844297][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 797.844297][ T7704] ip6_route_add+0x1c/0x140 [ 797.844297][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 797.844297][ T7704] addrconf_add_dev+0xe2/0x170 [ 797.844297][ T7704] inet6_addr_add+0x12f/0xa40 [ 797.844297][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 797.844297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 797.844297][ T7704] netlink_rcv_skb+0x130/0x360 [ 797.844297][ T7704] netlink_unicast+0x449/0x710 [ 797.844297][ T7704] netlink_sendmsg+0x723/0xbe0 [ 797.844297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 797.844297][ T7704] ___sys_sendmsg+0xee/0x170 [ 797.844297][ T7704] __sys_sendmsg+0xcd/0x170 [ 797.844297][ T7704] do_syscall_64+0xc6/0x1e0 [ 797.844297][ T7704] [ 797.847524][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 797.847524][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 797.847524][ T7704] ipv6_find_idev+0x102/0x170 [ 797.847524][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 797.847524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 797.847524][ T7704] netlink_rcv_skb+0x130/0x360 [ 797.847524][ T7704] netlink_unicast+0x449/0x710 [ 797.847524][ T7704] netlink_sendmsg+0x723/0xbe0 [ 797.847524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 797.847524][ T7704] ___sys_sendmsg+0xee/0x170 [ 797.847524][ T7704] __sys_sendmsg+0xcd/0x170 [ 797.847524][ T7704] do_syscall_64+0xc6/0x1e0 [ 797.847524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 797.847524][ T7704] [ 797.850467][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 797.850467][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 797.850467][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 797.850467][ T7704] ipv6_find_idev+0x102/0x170 [ 797.850467][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 797.850467][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 797.850467][ T7704] netlink_rcv_skb+0x130/0x360 [ 797.850467][ T7704] netlink_unicast+0x449/0x710 [ 797.850467][ T7704] netlink_sendmsg+0x723/0xbe0 [ 797.850467][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 797.850467][ T7704] ___sys_sendmsg+0xee/0x170 [ 797.850467][ T7704] __sys_sendmsg+0xcd/0x170 [ 797.850467][ T7704] do_syscall_64+0xc6/0x1e0 [ 797.850467][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 797.850467][ T7704] [ 808.092826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 808.093350][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 808.093350][ T7704] netdev_get_by_index+0x5e/0x80 [ 808.093350][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 808.093350][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 808.093350][ T7704] ip6_route_add+0x1c/0x140 [ 808.093350][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 808.093350][ T7704] inet6_addr_add+0x4f8/0xa40 [ 808.093350][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 808.093350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.093350][ T7704] netlink_rcv_skb+0x130/0x360 [ 808.093350][ T7704] netlink_unicast+0x449/0x710 [ 808.093350][ T7704] netlink_sendmsg+0x723/0xbe0 [ 808.093350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 808.093350][ T7704] ___sys_sendmsg+0xee/0x170 [ 808.093350][ T7704] __sys_sendmsg+0xcd/0x170 [ 808.093350][ T7704] do_syscall_64+0xc6/0x1e0 [ 808.093350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 808.093350][ T7704] [ 808.096544][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 808.096544][ T7704] netdev_get_by_index+0x5e/0x80 [ 808.096544][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 808.096544][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 808.096544][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 808.096544][ T7704] ipv6_add_addr+0x411/0x2000 [ 808.096544][ T7704] inet6_addr_add+0x30e/0xa40 [ 808.096544][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 808.096544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.096544][ T7704] netlink_rcv_skb+0x130/0x360 [ 808.096544][ T7704] netlink_unicast+0x449/0x710 [ 808.096544][ T7704] netlink_sendmsg+0x723/0xbe0 [ 808.096544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 808.096544][ T7704] ___sys_sendmsg+0xee/0x170 [ 808.096544][ T7704] __sys_sendmsg+0xcd/0x170 [ 808.096544][ T7704] do_syscall_64+0xc6/0x1e0 [ 808.096544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 808.096544][ T7704] [ 808.100184][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 808.100184][ T7704] netdev_get_by_index+0x5e/0x80 [ 808.100184][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 808.100184][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 808.100184][ T7704] ip6_route_add+0x1c/0x140 [ 808.100184][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 808.100184][ T7704] addrconf_add_dev+0xe2/0x170 [ 808.100184][ T7704] inet6_addr_add+0x12f/0xa40 [ 808.100184][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 808.100184][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.100184][ T7704] netlink_rcv_skb+0x130/0x360 [ 808.100184][ T7704] netlink_unicast+0x449/0x710 [ 808.100184][ T7704] netlink_sendmsg+0x723/0xbe0 [ 808.100184][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 808.100184][ T7704] ___sys_sendmsg+0xee/0x170 [ 808.100184][ T7704] __sys_sendmsg+0xcd/0x170 [ 808.100184][ T7704] do_syscall_64+0xc6/0x1e0 [ 808.100184][ T7704] [ 808.102432][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 808.102432][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 808.102432][ T7704] ipv6_find_idev+0x102/0x170 [ 808.102432][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 808.102432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.102432][ T7704] netlink_rcv_skb+0x130/0x360 [ 808.102432][ T7704] netlink_unicast+0x449/0x710 [ 808.102432][ T7704] netlink_sendmsg+0x723/0xbe0 [ 808.102432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 808.102432][ T7704] ___sys_sendmsg+0xee/0x170 [ 808.102432][ T7704] __sys_sendmsg+0xcd/0x170 [ 808.102432][ T7704] do_syscall_64+0xc6/0x1e0 [ 808.102432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 808.102432][ T7704] [ 808.104711][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 808.104711][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 808.104711][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 808.104711][ T7704] ipv6_find_idev+0x102/0x170 [ 808.104711][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 808.104711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.104711][ T7704] netlink_rcv_skb+0x130/0x360 [ 808.104711][ T7704] netlink_unicast+0x449/0x710 [ 808.104711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 808.104711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 808.104711][ T7704] ___sys_sendmsg+0xee/0x170 [ 808.104711][ T7704] __sys_sendmsg+0xcd/0x170 [ 808.104711][ T7704] do_syscall_64+0xc6/0x1e0 [ 808.104711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 808.104711][ T7704] [ 818.132819][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 818.133476][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 818.133476][ T7704] netdev_get_by_index+0x5e/0x80 [ 818.133476][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 818.133476][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 818.133476][ T7704] ip6_route_add+0x1c/0x140 [ 818.133476][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 818.133476][ T7704] inet6_addr_add+0x4f8/0xa40 [ 818.133476][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 818.133476][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.133476][ T7704] netlink_rcv_skb+0x130/0x360 [ 818.133476][ T7704] netlink_unicast+0x449/0x710 [ 818.133476][ T7704] netlink_sendmsg+0x723/0xbe0 [ 818.133476][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 818.133476][ T7704] ___sys_sendmsg+0xee/0x170 [ 818.133476][ T7704] __sys_sendmsg+0xcd/0x170 [ 818.133476][ T7704] do_syscall_64+0xc6/0x1e0 [ 818.133476][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 818.133476][ T7704] [ 818.137160][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 818.137160][ T7704] netdev_get_by_index+0x5e/0x80 [ 818.137160][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 818.137160][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 818.137160][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 818.137160][ T7704] ipv6_add_addr+0x411/0x2000 [ 818.137160][ T7704] inet6_addr_add+0x30e/0xa40 [ 818.137160][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 818.137160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.137160][ T7704] netlink_rcv_skb+0x130/0x360 [ 818.137160][ T7704] netlink_unicast+0x449/0x710 [ 818.137160][ T7704] netlink_sendmsg+0x723/0xbe0 [ 818.137160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 818.137160][ T7704] ___sys_sendmsg+0xee/0x170 [ 818.137160][ T7704] __sys_sendmsg+0xcd/0x170 [ 818.137160][ T7704] do_syscall_64+0xc6/0x1e0 [ 818.137160][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 818.137160][ T7704] [ 818.140839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 818.140839][ T7704] netdev_get_by_index+0x5e/0x80 [ 818.140839][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 818.140839][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 818.140839][ T7704] ip6_route_add+0x1c/0x140 [ 818.140839][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 818.140839][ T7704] addrconf_add_dev+0xe2/0x170 [ 818.140839][ T7704] inet6_addr_add+0x12f/0xa40 [ 818.140839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 818.140839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.140839][ T7704] netlink_rcv_skb+0x130/0x360 [ 818.140839][ T7704] netlink_unicast+0x449/0x710 [ 818.140839][ T7704] netlink_sendmsg+0x723/0xbe0 [ 818.140839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 818.140839][ T7704] ___sys_sendmsg+0xee/0x170 [ 818.140839][ T7704] __sys_sendmsg+0xcd/0x170 [ 818.140839][ T7704] do_syscall_64+0xc6/0x1e0 [ 818.140839][ T7704] [ 818.144297][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 818.144297][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 818.144297][ T7704] ipv6_find_idev+0x102/0x170 [ 818.144297][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 818.144297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.144297][ T7704] netlink_rcv_skb+0x130/0x360 [ 818.144297][ T7704] netlink_unicast+0x449/0x710 [ 818.144297][ T7704] netlink_sendmsg+0x723/0xbe0 [ 818.144297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 818.144297][ T7704] ___sys_sendmsg+0xee/0x170 [ 818.144297][ T7704] __sys_sendmsg+0xcd/0x170 [ 818.144297][ T7704] do_syscall_64+0xc6/0x1e0 [ 818.144297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 818.144297][ T7704] [ 818.147007][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 818.147007][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 818.147007][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 818.147007][ T7704] ipv6_find_idev+0x102/0x170 [ 818.147007][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 818.147007][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.147007][ T7704] netlink_rcv_skb+0x130/0x360 [ 818.147007][ T7704] netlink_unicast+0x449/0x710 [ 818.147007][ T7704] netlink_sendmsg+0x723/0xbe0 [ 818.147007][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 818.147007][ T7704] ___sys_sendmsg+0xee/0x170 [ 818.147007][ T7704] __sys_sendmsg+0xcd/0x170 [ 818.147007][ T7704] do_syscall_64+0xc6/0x1e0 [ 818.147007][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 818.147007][ T7704] [ 828.212950][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 828.213490][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 828.213490][ T7704] netdev_get_by_index+0x5e/0x80 [ 828.213490][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 828.213490][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 828.213490][ T7704] ip6_route_add+0x1c/0x140 [ 828.213490][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 828.213490][ T7704] inet6_addr_add+0x4f8/0xa40 [ 828.213490][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 828.213490][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.213490][ T7704] netlink_rcv_skb+0x130/0x360 [ 828.213490][ T7704] netlink_unicast+0x449/0x710 [ 828.213490][ T7704] netlink_sendmsg+0x723/0xbe0 [ 828.213490][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 828.213490][ T7704] ___sys_sendmsg+0xee/0x170 [ 828.213490][ T7704] __sys_sendmsg+0xcd/0x170 [ 828.213490][ T7704] do_syscall_64+0xc6/0x1e0 [ 828.213490][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 828.213490][ T7704] [ 828.215724][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 828.215724][ T7704] netdev_get_by_index+0x5e/0x80 [ 828.215724][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 828.215724][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 828.215724][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 828.215724][ T7704] ipv6_add_addr+0x411/0x2000 [ 828.215724][ T7704] inet6_addr_add+0x30e/0xa40 [ 828.215724][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 828.215724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.215724][ T7704] netlink_rcv_skb+0x130/0x360 [ 828.215724][ T7704] netlink_unicast+0x449/0x710 [ 828.215724][ T7704] netlink_sendmsg+0x723/0xbe0 [ 828.215724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 828.215724][ T7704] ___sys_sendmsg+0xee/0x170 [ 828.215724][ T7704] __sys_sendmsg+0xcd/0x170 [ 828.215724][ T7704] do_syscall_64+0xc6/0x1e0 [ 828.215724][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 828.215724][ T7704] [ 828.217951][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 828.217951][ T7704] netdev_get_by_index+0x5e/0x80 [ 828.217951][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 828.217951][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 828.217951][ T7704] ip6_route_add+0x1c/0x140 [ 828.217951][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 828.217951][ T7704] addrconf_add_dev+0xe2/0x170 [ 828.217951][ T7704] inet6_addr_add+0x12f/0xa40 [ 828.217951][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 828.217951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.217951][ T7704] netlink_rcv_skb+0x130/0x360 [ 828.217951][ T7704] netlink_unicast+0x449/0x710 [ 828.217951][ T7704] netlink_sendmsg+0x723/0xbe0 [ 828.217951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 828.217951][ T7704] ___sys_sendmsg+0xee/0x170 [ 828.217951][ T7704] __sys_sendmsg+0xcd/0x170 [ 828.217951][ T7704] do_syscall_64+0xc6/0x1e0 [ 828.217951][ T7704] [ 828.220110][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 828.220110][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 828.220110][ T7704] ipv6_find_idev+0x102/0x170 [ 828.220110][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 828.220110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.220110][ T7704] netlink_rcv_skb+0x130/0x360 [ 828.220110][ T7704] netlink_unicast+0x449/0x710 [ 828.220110][ T7704] netlink_sendmsg+0x723/0xbe0 [ 828.220110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 828.220110][ T7704] ___sys_sendmsg+0xee/0x170 [ 828.220110][ T7704] __sys_sendmsg+0xcd/0x170 [ 828.220110][ T7704] do_syscall_64+0xc6/0x1e0 [ 828.220110][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 828.220110][ T7704] [ 828.221817][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 828.221817][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 828.221817][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 828.221817][ T7704] ipv6_find_idev+0x102/0x170 [ 828.221817][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 828.221817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.221817][ T7704] netlink_rcv_skb+0x130/0x360 [ 828.221817][ T7704] netlink_unicast+0x449/0x710 [ 828.221817][ T7704] netlink_sendmsg+0x723/0xbe0 [ 828.221817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 828.221817][ T7704] ___sys_sendmsg+0xee/0x170 [ 828.221817][ T7704] __sys_sendmsg+0xcd/0x170 [ 828.221817][ T7704] do_syscall_64+0xc6/0x1e0 [ 828.221817][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 828.221817][ T7704] [ 838.468821][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 838.469549][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 838.469549][ T7704] netdev_get_by_index+0x5e/0x80 [ 838.469549][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 838.469549][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 838.469549][ T7704] ip6_route_add+0x1c/0x140 [ 838.469549][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 838.469549][ T7704] inet6_addr_add+0x4f8/0xa40 [ 838.469549][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 838.469549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 838.469549][ T7704] netlink_rcv_skb+0x130/0x360 [ 838.469549][ T7704] netlink_unicast+0x449/0x710 [ 838.469549][ T7704] netlink_sendmsg+0x723/0xbe0 [ 838.469549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 838.469549][ T7704] ___sys_sendmsg+0xee/0x170 [ 838.469549][ T7704] __sys_sendmsg+0xcd/0x170 [ 838.469549][ T7704] do_syscall_64+0xc6/0x1e0 [ 838.469549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 838.469549][ T7704] [ 838.473056][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 838.473056][ T7704] netdev_get_by_index+0x5e/0x80 [ 838.473056][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 838.473056][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 838.473056][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 838.473056][ T7704] ipv6_add_addr+0x411/0x2000 [ 838.473056][ T7704] inet6_addr_add+0x30e/0xa40 [ 838.473056][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 838.473056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 838.473056][ T7704] netlink_rcv_skb+0x130/0x360 [ 838.473056][ T7704] netlink_unicast+0x449/0x710 [ 838.473056][ T7704] netlink_sendmsg+0x723/0xbe0 [ 838.473056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 838.473056][ T7704] ___sys_sendmsg+0xee/0x170 [ 838.473056][ T7704] __sys_sendmsg+0xcd/0x170 [ 838.473056][ T7704] do_syscall_64+0xc6/0x1e0 [ 838.473056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 838.473056][ T7704] [ 838.476629][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 838.476629][ T7704] netdev_get_by_index+0x5e/0x80 [ 838.476629][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 838.476629][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 838.476629][ T7704] ip6_route_add+0x1c/0x140 [ 838.476629][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 838.476629][ T7704] addrconf_add_dev+0xe2/0x170 [ 838.476629][ T7704] inet6_addr_add+0x12f/0xa40 [ 838.476629][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 838.476629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 838.476629][ T7704] netlink_rcv_skb+0x130/0x360 [ 838.476629][ T7704] netlink_unicast+0x449/0x710 [ 838.476629][ T7704] netlink_sendmsg+0x723/0xbe0 [ 838.476629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 838.476629][ T7704] ___sys_sendmsg+0xee/0x170 [ 838.476629][ T7704] __sys_sendmsg+0xcd/0x170 [ 838.476629][ T7704] do_syscall_64+0xc6/0x1e0 [ 838.476629][ T7704] [ 838.480111][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 838.480111][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 838.480111][ T7704] ipv6_find_idev+0x102/0x170 [ 838.480111][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 838.480111][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 838.480111][ T7704] netlink_rcv_skb+0x130/0x360 [ 838.480111][ T7704] netlink_unicast+0x449/0x710 [ 838.480111][ T7704] netlink_sendmsg+0x723/0xbe0 [ 838.480111][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 838.480111][ T7704] ___sys_sendmsg+0xee/0x170 [ 838.480111][ T7704] __sys_sendmsg+0xcd/0x170 [ 838.480111][ T7704] do_syscall_64+0xc6/0x1e0 [ 838.480111][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 838.480111][ T7704] [ 838.482932][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 838.482932][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 838.482932][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 838.482932][ T7704] ipv6_find_idev+0x102/0x170 [ 838.482932][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 838.482932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 838.482932][ T7704] netlink_rcv_skb+0x130/0x360 [ 838.482932][ T7704] netlink_unicast+0x449/0x710 [ 838.482932][ T7704] netlink_sendmsg+0x723/0xbe0 [ 838.482932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 838.482932][ T7704] ___sys_sendmsg+0xee/0x170 [ 838.482932][ T7704] __sys_sendmsg+0xcd/0x170 [ 838.482932][ T7704] do_syscall_64+0xc6/0x1e0 [ 838.482932][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 838.482932][ T7704] [ 848.532810][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 848.533554][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 848.533554][ T7704] netdev_get_by_index+0x5e/0x80 [ 848.533554][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 848.533554][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 848.533554][ T7704] ip6_route_add+0x1c/0x140 [ 848.533554][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 848.533554][ T7704] inet6_addr_add+0x4f8/0xa40 [ 848.533554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 848.533554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 848.533554][ T7704] netlink_rcv_skb+0x130/0x360 [ 848.533554][ T7704] netlink_unicast+0x449/0x710 [ 848.533554][ T7704] netlink_sendmsg+0x723/0xbe0 [ 848.533554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 848.533554][ T7704] ___sys_sendmsg+0xee/0x170 [ 848.533554][ T7704] __sys_sendmsg+0xcd/0x170 [ 848.533554][ T7704] do_syscall_64+0xc6/0x1e0 [ 848.533554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 848.533554][ T7704] [ 848.537033][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 848.537033][ T7704] netdev_get_by_index+0x5e/0x80 [ 848.537033][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 848.537033][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 848.537033][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 848.537033][ T7704] ipv6_add_addr+0x411/0x2000 [ 848.537033][ T7704] inet6_addr_add+0x30e/0xa40 [ 848.537033][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 848.537033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 848.537033][ T7704] netlink_rcv_skb+0x130/0x360 [ 848.537033][ T7704] netlink_unicast+0x449/0x710 [ 848.537033][ T7704] netlink_sendmsg+0x723/0xbe0 [ 848.537033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 848.537033][ T7704] ___sys_sendmsg+0xee/0x170 [ 848.537033][ T7704] __sys_sendmsg+0xcd/0x170 [ 848.537033][ T7704] do_syscall_64+0xc6/0x1e0 [ 848.537033][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 848.537033][ T7704] [ 848.540424][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 848.540424][ T7704] netdev_get_by_index+0x5e/0x80 [ 848.540424][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 848.540424][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 848.540424][ T7704] ip6_route_add+0x1c/0x140 [ 848.540424][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 848.540424][ T7704] addrconf_add_dev+0xe2/0x170 [ 848.540424][ T7704] inet6_addr_add+0x12f/0xa40 [ 848.540424][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 848.540424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 848.540424][ T7704] netlink_rcv_skb+0x130/0x360 [ 848.540424][ T7704] netlink_unicast+0x449/0x710 [ 848.540424][ T7704] netlink_sendmsg+0x723/0xbe0 [ 848.540424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 848.540424][ T7704] ___sys_sendmsg+0xee/0x170 [ 848.540424][ T7704] __sys_sendmsg+0xcd/0x170 [ 848.540424][ T7704] do_syscall_64+0xc6/0x1e0 [ 848.540424][ T7704] [ 848.543907][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 848.543907][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 848.543907][ T7704] ipv6_find_idev+0x102/0x170 [ 848.543907][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 848.543907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 848.543907][ T7704] netlink_rcv_skb+0x130/0x360 [ 848.543907][ T7704] netlink_unicast+0x449/0x710 [ 848.543907][ T7704] netlink_sendmsg+0x723/0xbe0 [ 848.543907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 848.543907][ T7704] ___sys_sendmsg+0xee/0x170 [ 848.543907][ T7704] __sys_sendmsg+0xcd/0x170 [ 848.543907][ T7704] do_syscall_64+0xc6/0x1e0 [ 848.543907][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 848.543907][ T7704] [ 848.546637][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 848.546637][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 848.546637][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 848.546637][ T7704] ipv6_find_idev+0x102/0x170 [ 848.546637][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 848.546637][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 848.546637][ T7704] netlink_rcv_skb+0x130/0x360 [ 848.546637][ T7704] netlink_unicast+0x449/0x710 [ 848.546637][ T7704] netlink_sendmsg+0x723/0xbe0 [ 848.546637][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 848.546637][ T7704] ___sys_sendmsg+0xee/0x170 [ 848.546637][ T7704] __sys_sendmsg+0xcd/0x170 [ 848.546637][ T7704] do_syscall_64+0xc6/0x1e0 [ 848.546637][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 848.546637][ T7704] [ 858.788833][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 858.789325][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 858.789325][ T7704] netdev_get_by_index+0x5e/0x80 [ 858.789325][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 858.789325][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 858.789325][ T7704] ip6_route_add+0x1c/0x140 [ 858.789325][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 858.789325][ T7704] inet6_addr_add+0x4f8/0xa40 [ 858.789325][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 858.789325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.789325][ T7704] netlink_rcv_skb+0x130/0x360 [ 858.789325][ T7704] netlink_unicast+0x449/0x710 [ 858.789325][ T7704] netlink_sendmsg+0x723/0xbe0 [ 858.789325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 858.789325][ T7704] ___sys_sendmsg+0xee/0x170 [ 858.789325][ T7704] __sys_sendmsg+0xcd/0x170 [ 858.789325][ T7704] do_syscall_64+0xc6/0x1e0 [ 858.789325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.789325][ T7704] [ 858.791808][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 858.791808][ T7704] netdev_get_by_index+0x5e/0x80 [ 858.791808][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 858.791808][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 858.791808][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 858.791808][ T7704] ipv6_add_addr+0x411/0x2000 [ 858.791808][ T7704] inet6_addr_add+0x30e/0xa40 [ 858.791808][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 858.791808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.791808][ T7704] netlink_rcv_skb+0x130/0x360 [ 858.791808][ T7704] netlink_unicast+0x449/0x710 [ 858.791808][ T7704] netlink_sendmsg+0x723/0xbe0 [ 858.791808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 858.791808][ T7704] ___sys_sendmsg+0xee/0x170 [ 858.791808][ T7704] __sys_sendmsg+0xcd/0x170 [ 858.791808][ T7704] do_syscall_64+0xc6/0x1e0 [ 858.791808][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.791808][ T7704] [ 858.794245][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 858.794245][ T7704] netdev_get_by_index+0x5e/0x80 [ 858.794245][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 858.794245][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 858.794245][ T7704] ip6_route_add+0x1c/0x140 [ 858.794245][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 858.794245][ T7704] addrconf_add_dev+0xe2/0x170 [ 858.794245][ T7704] inet6_addr_add+0x12f/0xa40 [ 858.794245][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 858.794245][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.794245][ T7704] netlink_rcv_skb+0x130/0x360 [ 858.794245][ T7704] netlink_unicast+0x449/0x710 [ 858.794245][ T7704] netlink_sendmsg+0x723/0xbe0 [ 858.794245][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 858.794245][ T7704] ___sys_sendmsg+0xee/0x170 [ 858.794245][ T7704] __sys_sendmsg+0xcd/0x170 [ 858.794245][ T7704] do_syscall_64+0xc6/0x1e0 [ 858.794245][ T7704] [ 858.796596][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 858.796596][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 858.796596][ T7704] ipv6_find_idev+0x102/0x170 [ 858.796596][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.796596][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.796596][ T7704] netlink_rcv_skb+0x130/0x360 [ 858.796596][ T7704] netlink_unicast+0x449/0x710 [ 858.796596][ T7704] netlink_sendmsg+0x723/0xbe0 [ 858.796596][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 858.796596][ T7704] ___sys_sendmsg+0xee/0x170 [ 858.796596][ T7704] __sys_sendmsg+0xcd/0x170 [ 858.796596][ T7704] do_syscall_64+0xc6/0x1e0 [ 858.796596][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.796596][ T7704] [ 858.798429][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 858.798429][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 858.798429][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 858.798429][ T7704] ipv6_find_idev+0x102/0x170 [ 858.798429][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.798429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.798429][ T7704] netlink_rcv_skb+0x130/0x360 [ 858.798429][ T7704] netlink_unicast+0x449/0x710 [ 858.798429][ T7704] netlink_sendmsg+0x723/0xbe0 [ 858.798429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 858.798429][ T7704] ___sys_sendmsg+0xee/0x170 [ 858.798429][ T7704] __sys_sendmsg+0xcd/0x170 [ 858.798429][ T7704] do_syscall_64+0xc6/0x1e0 [ 858.798429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.798429][ T7704] [ 869.036790][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 869.037259][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 869.037259][ T7704] netdev_get_by_index+0x5e/0x80 [ 869.037259][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 869.037259][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 869.037259][ T7704] ip6_route_add+0x1c/0x140 [ 869.037259][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 869.037259][ T7704] inet6_addr_add+0x4f8/0xa40 [ 869.037259][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 869.037259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.037259][ T7704] netlink_rcv_skb+0x130/0x360 [ 869.037259][ T7704] netlink_unicast+0x449/0x710 [ 869.037259][ T7704] netlink_sendmsg+0x723/0xbe0 [ 869.037259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 869.037259][ T7704] ___sys_sendmsg+0xee/0x170 [ 869.037259][ T7704] __sys_sendmsg+0xcd/0x170 [ 869.037259][ T7704] do_syscall_64+0xc6/0x1e0 [ 869.037259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 869.037259][ T7704] [ 869.039535][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 869.039535][ T7704] netdev_get_by_index+0x5e/0x80 [ 869.039535][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 869.039535][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 869.039535][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 869.039535][ T7704] ipv6_add_addr+0x411/0x2000 [ 869.039535][ T7704] inet6_addr_add+0x30e/0xa40 [ 869.039535][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 869.039535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.039535][ T7704] netlink_rcv_skb+0x130/0x360 [ 869.039535][ T7704] netlink_unicast+0x449/0x710 [ 869.039535][ T7704] netlink_sendmsg+0x723/0xbe0 [ 869.039535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 869.039535][ T7704] ___sys_sendmsg+0xee/0x170 [ 869.039535][ T7704] __sys_sendmsg+0xcd/0x170 [ 869.039535][ T7704] do_syscall_64+0xc6/0x1e0 [ 869.039535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 869.039535][ T7704] [ 869.041764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 869.041764][ T7704] netdev_get_by_index+0x5e/0x80 [ 869.041764][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 869.041764][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 869.041764][ T7704] ip6_route_add+0x1c/0x140 [ 869.041764][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 869.041764][ T7704] addrconf_add_dev+0xe2/0x170 [ 869.041764][ T7704] inet6_addr_add+0x12f/0xa40 [ 869.041764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 869.041764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.041764][ T7704] netlink_rcv_skb+0x130/0x360 [ 869.041764][ T7704] netlink_unicast+0x449/0x710 [ 869.041764][ T7704] netlink_sendmsg+0x723/0xbe0 [ 869.041764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 869.041764][ T7704] ___sys_sendmsg+0xee/0x170 [ 869.041764][ T7704] __sys_sendmsg+0xcd/0x170 [ 869.041764][ T7704] do_syscall_64+0xc6/0x1e0 [ 869.041764][ T7704] [ 869.043944][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 869.043944][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 869.043944][ T7704] ipv6_find_idev+0x102/0x170 [ 869.043944][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 869.043944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.043944][ T7704] netlink_rcv_skb+0x130/0x360 [ 869.043944][ T7704] netlink_unicast+0x449/0x710 [ 869.043944][ T7704] netlink_sendmsg+0x723/0xbe0 [ 869.043944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 869.043944][ T7704] ___sys_sendmsg+0xee/0x170 [ 869.043944][ T7704] __sys_sendmsg+0xcd/0x170 [ 869.043944][ T7704] do_syscall_64+0xc6/0x1e0 [ 869.043944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 869.043944][ T7704] [ 869.045648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 869.045648][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 869.045648][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 869.045648][ T7704] ipv6_find_idev+0x102/0x170 [ 869.045648][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 869.045648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.045648][ T7704] netlink_rcv_skb+0x130/0x360 [ 869.045648][ T7704] netlink_unicast+0x449/0x710 [ 869.045648][ T7704] netlink_sendmsg+0x723/0xbe0 [ 869.045648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 869.045648][ T7704] ___sys_sendmsg+0xee/0x170 [ 869.045648][ T7704] __sys_sendmsg+0xcd/0x170 [ 869.045648][ T7704] do_syscall_64+0xc6/0x1e0 [ 869.045648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 869.045648][ T7704] [ 879.284885][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 879.285381][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 879.285381][ T7704] netdev_get_by_index+0x5e/0x80 [ 879.285381][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 879.285381][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 879.285381][ T7704] ip6_route_add+0x1c/0x140 [ 879.285381][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 879.285381][ T7704] inet6_addr_add+0x4f8/0xa40 [ 879.285381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 879.285381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 879.285381][ T7704] netlink_rcv_skb+0x130/0x360 [ 879.285381][ T7704] netlink_unicast+0x449/0x710 [ 879.285381][ T7704] netlink_sendmsg+0x723/0xbe0 [ 879.285381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 879.285381][ T7704] ___sys_sendmsg+0xee/0x170 [ 879.285381][ T7704] __sys_sendmsg+0xcd/0x170 [ 879.285381][ T7704] do_syscall_64+0xc6/0x1e0 [ 879.285381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 879.285381][ T7704] [ 879.287672][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 879.287672][ T7704] netdev_get_by_index+0x5e/0x80 [ 879.287672][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 879.287672][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 879.287672][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 879.287672][ T7704] ipv6_add_addr+0x411/0x2000 [ 879.287672][ T7704] inet6_addr_add+0x30e/0xa40 [ 879.287672][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 879.287672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 879.287672][ T7704] netlink_rcv_skb+0x130/0x360 [ 879.287672][ T7704] netlink_unicast+0x449/0x710 [ 879.287672][ T7704] netlink_sendmsg+0x723/0xbe0 [ 879.287672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 879.287672][ T7704] ___sys_sendmsg+0xee/0x170 [ 879.287672][ T7704] __sys_sendmsg+0xcd/0x170 [ 879.287672][ T7704] do_syscall_64+0xc6/0x1e0 [ 879.287672][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 879.287672][ T7704] [ 879.289934][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 879.289934][ T7704] netdev_get_by_index+0x5e/0x80 [ 879.289934][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 879.289934][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 879.289934][ T7704] ip6_route_add+0x1c/0x140 [ 879.289934][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 879.289934][ T7704] addrconf_add_dev+0xe2/0x170 [ 879.289934][ T7704] inet6_addr_add+0x12f/0xa40 [ 879.289934][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 879.289934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 879.289934][ T7704] netlink_rcv_skb+0x130/0x360 [ 879.289934][ T7704] netlink_unicast+0x449/0x710 [ 879.289934][ T7704] netlink_sendmsg+0x723/0xbe0 [ 879.289934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 879.289934][ T7704] ___sys_sendmsg+0xee/0x170 [ 879.289934][ T7704] __sys_sendmsg+0xcd/0x170 [ 879.289934][ T7704] do_syscall_64+0xc6/0x1e0 [ 879.289934][ T7704] [ 879.292127][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 879.292127][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 879.292127][ T7704] ipv6_find_idev+0x102/0x170 [ 879.292127][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 879.292127][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 879.292127][ T7704] netlink_rcv_skb+0x130/0x360 [ 879.292127][ T7704] netlink_unicast+0x449/0x710 [ 879.292127][ T7704] netlink_sendmsg+0x723/0xbe0 [ 879.292127][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 879.292127][ T7704] ___sys_sendmsg+0xee/0x170 [ 879.292127][ T7704] __sys_sendmsg+0xcd/0x170 [ 879.292127][ T7704] do_syscall_64+0xc6/0x1e0 [ 879.292127][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 879.292127][ T7704] [ 879.293874][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 879.293874][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 879.293874][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 879.293874][ T7704] ipv6_find_idev+0x102/0x170 [ 879.293874][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 879.293874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 879.293874][ T7704] netlink_rcv_skb+0x130/0x360 [ 879.293874][ T7704] netlink_unicast+0x449/0x710 [ 879.293874][ T7704] netlink_sendmsg+0x723/0xbe0 [ 879.293874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 879.293874][ T7704] ___sys_sendmsg+0xee/0x170 [ 879.293874][ T7704] __sys_sendmsg+0xcd/0x170 [ 879.293874][ T7704] do_syscall_64+0xc6/0x1e0 [ 879.293874][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 879.293874][ T7704] [ 889.356796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 889.357332][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 889.357332][ T7704] netdev_get_by_index+0x5e/0x80 [ 889.357332][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 889.357332][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 889.357332][ T7704] ip6_route_add+0x1c/0x140 [ 889.357332][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 889.357332][ T7704] inet6_addr_add+0x4f8/0xa40 [ 889.357332][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 889.357332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.357332][ T7704] netlink_rcv_skb+0x130/0x360 [ 889.357332][ T7704] netlink_unicast+0x449/0x710 [ 889.357332][ T7704] netlink_sendmsg+0x723/0xbe0 [ 889.357332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 889.357332][ T7704] ___sys_sendmsg+0xee/0x170 [ 889.357332][ T7704] __sys_sendmsg+0xcd/0x170 [ 889.357332][ T7704] do_syscall_64+0xc6/0x1e0 [ 889.357332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.357332][ T7704] [ 889.359752][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 889.359752][ T7704] netdev_get_by_index+0x5e/0x80 [ 889.359752][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 889.359752][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 889.359752][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 889.359752][ T7704] ipv6_add_addr+0x411/0x2000 [ 889.359752][ T7704] inet6_addr_add+0x30e/0xa40 [ 889.359752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 889.359752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.359752][ T7704] netlink_rcv_skb+0x130/0x360 [ 889.359752][ T7704] netlink_unicast+0x449/0x710 [ 889.359752][ T7704] netlink_sendmsg+0x723/0xbe0 [ 889.359752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 889.359752][ T7704] ___sys_sendmsg+0xee/0x170 [ 889.359752][ T7704] __sys_sendmsg+0xcd/0x170 [ 889.359752][ T7704] do_syscall_64+0xc6/0x1e0 [ 889.359752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.359752][ T7704] [ 889.362230][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 889.362230][ T7704] netdev_get_by_index+0x5e/0x80 [ 889.362230][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 889.362230][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 889.362230][ T7704] ip6_route_add+0x1c/0x140 [ 889.362230][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 889.362230][ T7704] addrconf_add_dev+0xe2/0x170 [ 889.362230][ T7704] inet6_addr_add+0x12f/0xa40 [ 889.362230][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 889.362230][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.362230][ T7704] netlink_rcv_skb+0x130/0x360 [ 889.362230][ T7704] netlink_unicast+0x449/0x710 [ 889.362230][ T7704] netlink_sendmsg+0x723/0xbe0 [ 889.362230][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 889.362230][ T7704] ___sys_sendmsg+0xee/0x170 [ 889.362230][ T7704] __sys_sendmsg+0xcd/0x170 [ 889.362230][ T7704] do_syscall_64+0xc6/0x1e0 [ 889.362230][ T7704] [ 889.364618][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 889.364618][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 889.364618][ T7704] ipv6_find_idev+0x102/0x170 [ 889.364618][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.364618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.364618][ T7704] netlink_rcv_skb+0x130/0x360 [ 889.364618][ T7704] netlink_unicast+0x449/0x710 [ 889.364618][ T7704] netlink_sendmsg+0x723/0xbe0 [ 889.364618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 889.364618][ T7704] ___sys_sendmsg+0xee/0x170 [ 889.364618][ T7704] __sys_sendmsg+0xcd/0x170 [ 889.364618][ T7704] do_syscall_64+0xc6/0x1e0 [ 889.364618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.364618][ T7704] [ 889.366497][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 889.366497][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 889.366497][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 889.366497][ T7704] ipv6_find_idev+0x102/0x170 [ 889.366497][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 889.366497][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 889.366497][ T7704] netlink_rcv_skb+0x130/0x360 [ 889.366497][ T7704] netlink_unicast+0x449/0x710 [ 889.366497][ T7704] netlink_sendmsg+0x723/0xbe0 [ 889.366497][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 889.366497][ T7704] ___sys_sendmsg+0xee/0x170 [ 889.366497][ T7704] __sys_sendmsg+0xcd/0x170 [ 889.366497][ T7704] do_syscall_64+0xc6/0x1e0 [ 889.366497][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 889.366497][ T7704] [ 899.468819][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 899.469403][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 899.469403][ T7704] netdev_get_by_index+0x5e/0x80 [ 899.469403][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 899.469403][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 899.469403][ T7704] ip6_route_add+0x1c/0x140 [ 899.469403][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 899.469403][ T7704] inet6_addr_add+0x4f8/0xa40 [ 899.469403][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 899.469403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.469403][ T7704] netlink_rcv_skb+0x130/0x360 [ 899.469403][ T7704] netlink_unicast+0x449/0x710 [ 899.469403][ T7704] netlink_sendmsg+0x723/0xbe0 [ 899.469403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 899.469403][ T7704] ___sys_sendmsg+0xee/0x170 [ 899.469403][ T7704] __sys_sendmsg+0xcd/0x170 [ 899.469403][ T7704] do_syscall_64+0xc6/0x1e0 [ 899.469403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.469403][ T7704] [ 899.471738][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 899.471738][ T7704] netdev_get_by_index+0x5e/0x80 [ 899.471738][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 899.471738][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 899.471738][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 899.471738][ T7704] ipv6_add_addr+0x411/0x2000 [ 899.471738][ T7704] inet6_addr_add+0x30e/0xa40 [ 899.471738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 899.471738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.471738][ T7704] netlink_rcv_skb+0x130/0x360 [ 899.471738][ T7704] netlink_unicast+0x449/0x710 [ 899.471738][ T7704] netlink_sendmsg+0x723/0xbe0 [ 899.471738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 899.471738][ T7704] ___sys_sendmsg+0xee/0x170 [ 899.471738][ T7704] __sys_sendmsg+0xcd/0x170 [ 899.471738][ T7704] do_syscall_64+0xc6/0x1e0 [ 899.471738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.471738][ T7704] [ 899.473991][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 899.473991][ T7704] netdev_get_by_index+0x5e/0x80 [ 899.473991][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 899.473991][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 899.473991][ T7704] ip6_route_add+0x1c/0x140 [ 899.473991][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 899.473991][ T7704] addrconf_add_dev+0xe2/0x170 [ 899.473991][ T7704] inet6_addr_add+0x12f/0xa40 [ 899.473991][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 899.473991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.473991][ T7704] netlink_rcv_skb+0x130/0x360 [ 899.473991][ T7704] netlink_unicast+0x449/0x710 [ 899.473991][ T7704] netlink_sendmsg+0x723/0xbe0 [ 899.473991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 899.473991][ T7704] ___sys_sendmsg+0xee/0x170 [ 899.473991][ T7704] __sys_sendmsg+0xcd/0x170 [ 899.473991][ T7704] do_syscall_64+0xc6/0x1e0 [ 899.473991][ T7704] [ 899.476458][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 899.476458][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 899.476458][ T7704] ipv6_find_idev+0x102/0x170 [ 899.476458][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.476458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.476458][ T7704] netlink_rcv_skb+0x130/0x360 [ 899.476458][ T7704] netlink_unicast+0x449/0x710 [ 899.476458][ T7704] netlink_sendmsg+0x723/0xbe0 [ 899.476458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 899.476458][ T7704] ___sys_sendmsg+0xee/0x170 [ 899.476458][ T7704] __sys_sendmsg+0xcd/0x170 [ 899.476458][ T7704] do_syscall_64+0xc6/0x1e0 [ 899.476458][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.476458][ T7704] [ 899.478424][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 899.478424][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 899.478424][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 899.478424][ T7704] ipv6_find_idev+0x102/0x170 [ 899.478424][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 899.478424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 899.478424][ T7704] netlink_rcv_skb+0x130/0x360 [ 899.478424][ T7704] netlink_unicast+0x449/0x710 [ 899.478424][ T7704] netlink_sendmsg+0x723/0xbe0 [ 899.478424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 899.478424][ T7704] ___sys_sendmsg+0xee/0x170 [ 899.478424][ T7704] __sys_sendmsg+0xcd/0x170 [ 899.478424][ T7704] do_syscall_64+0xc6/0x1e0 [ 899.478424][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 899.478424][ T7704] [ 909.716841][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 909.717408][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 909.717408][ T7704] netdev_get_by_index+0x5e/0x80 [ 909.717408][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 909.717408][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 909.717408][ T7704] ip6_route_add+0x1c/0x140 [ 909.717408][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 909.717408][ T7704] inet6_addr_add+0x4f8/0xa40 [ 909.717408][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 909.717408][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.717408][ T7704] netlink_rcv_skb+0x130/0x360 [ 909.717408][ T7704] netlink_unicast+0x449/0x710 [ 909.717408][ T7704] netlink_sendmsg+0x723/0xbe0 [ 909.717408][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 909.717408][ T7704] ___sys_sendmsg+0xee/0x170 [ 909.717408][ T7704] __sys_sendmsg+0xcd/0x170 [ 909.717408][ T7704] do_syscall_64+0xc6/0x1e0 [ 909.717408][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.717408][ T7704] [ 909.719844][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 909.719844][ T7704] netdev_get_by_index+0x5e/0x80 [ 909.719844][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 909.719844][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 909.719844][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 909.719844][ T7704] ipv6_add_addr+0x411/0x2000 [ 909.719844][ T7704] inet6_addr_add+0x30e/0xa40 [ 909.719844][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 909.719844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.719844][ T7704] netlink_rcv_skb+0x130/0x360 [ 909.719844][ T7704] netlink_unicast+0x449/0x710 [ 909.719844][ T7704] netlink_sendmsg+0x723/0xbe0 [ 909.719844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 909.719844][ T7704] ___sys_sendmsg+0xee/0x170 [ 909.719844][ T7704] __sys_sendmsg+0xcd/0x170 [ 909.719844][ T7704] do_syscall_64+0xc6/0x1e0 [ 909.719844][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.719844][ T7704] [ 909.722192][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 909.722192][ T7704] netdev_get_by_index+0x5e/0x80 [ 909.722192][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 909.722192][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 909.722192][ T7704] ip6_route_add+0x1c/0x140 [ 909.722192][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 909.722192][ T7704] addrconf_add_dev+0xe2/0x170 [ 909.722192][ T7704] inet6_addr_add+0x12f/0xa40 [ 909.722192][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 909.722192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.722192][ T7704] netlink_rcv_skb+0x130/0x360 [ 909.722192][ T7704] netlink_unicast+0x449/0x710 [ 909.722192][ T7704] netlink_sendmsg+0x723/0xbe0 [ 909.722192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 909.722192][ T7704] ___sys_sendmsg+0xee/0x170 [ 909.722192][ T7704] __sys_sendmsg+0xcd/0x170 [ 909.722192][ T7704] do_syscall_64+0xc6/0x1e0 [ 909.722192][ T7704] [ 909.724455][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 909.724455][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 909.724455][ T7704] ipv6_find_idev+0x102/0x170 [ 909.724455][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.724455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.724455][ T7704] netlink_rcv_skb+0x130/0x360 [ 909.724455][ T7704] netlink_unicast+0x449/0x710 [ 909.724455][ T7704] netlink_sendmsg+0x723/0xbe0 [ 909.724455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 909.724455][ T7704] ___sys_sendmsg+0xee/0x170 [ 909.724455][ T7704] __sys_sendmsg+0xcd/0x170 [ 909.724455][ T7704] do_syscall_64+0xc6/0x1e0 [ 909.724455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.724455][ T7704] [ 909.726277][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 909.726277][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 909.726277][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 909.726277][ T7704] ipv6_find_idev+0x102/0x170 [ 909.726277][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 909.726277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 909.726277][ T7704] netlink_rcv_skb+0x130/0x360 [ 909.726277][ T7704] netlink_unicast+0x449/0x710 [ 909.726277][ T7704] netlink_sendmsg+0x723/0xbe0 [ 909.726277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 909.726277][ T7704] ___sys_sendmsg+0xee/0x170 [ 909.726277][ T7704] __sys_sendmsg+0xcd/0x170 [ 909.726277][ T7704] do_syscall_64+0xc6/0x1e0 [ 909.726277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 909.726277][ T7704] [ 919.964830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 919.965392][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 919.965392][ T7704] netdev_get_by_index+0x5e/0x80 [ 919.965392][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 919.965392][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 919.965392][ T7704] ip6_route_add+0x1c/0x140 [ 919.965392][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 919.965392][ T7704] inet6_addr_add+0x4f8/0xa40 [ 919.965392][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 919.965392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.965392][ T7704] netlink_rcv_skb+0x130/0x360 [ 919.965392][ T7704] netlink_unicast+0x449/0x710 [ 919.965392][ T7704] netlink_sendmsg+0x723/0xbe0 [ 919.965392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 919.965392][ T7704] ___sys_sendmsg+0xee/0x170 [ 919.965392][ T7704] __sys_sendmsg+0xcd/0x170 [ 919.965392][ T7704] do_syscall_64+0xc6/0x1e0 [ 919.965392][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.965392][ T7704] [ 919.967656][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 919.967656][ T7704] netdev_get_by_index+0x5e/0x80 [ 919.967656][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 919.967656][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 919.967656][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 919.967656][ T7704] ipv6_add_addr+0x411/0x2000 [ 919.967656][ T7704] inet6_addr_add+0x30e/0xa40 [ 919.967656][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 919.967656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.967656][ T7704] netlink_rcv_skb+0x130/0x360 [ 919.967656][ T7704] netlink_unicast+0x449/0x710 [ 919.967656][ T7704] netlink_sendmsg+0x723/0xbe0 [ 919.967656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 919.967656][ T7704] ___sys_sendmsg+0xee/0x170 [ 919.967656][ T7704] __sys_sendmsg+0xcd/0x170 [ 919.967656][ T7704] do_syscall_64+0xc6/0x1e0 [ 919.967656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.967656][ T7704] [ 919.969871][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 919.969871][ T7704] netdev_get_by_index+0x5e/0x80 [ 919.969871][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 919.969871][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 919.969871][ T7704] ip6_route_add+0x1c/0x140 [ 919.969871][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 919.969871][ T7704] addrconf_add_dev+0xe2/0x170 [ 919.969871][ T7704] inet6_addr_add+0x12f/0xa40 [ 919.969871][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 919.969871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.969871][ T7704] netlink_rcv_skb+0x130/0x360 [ 919.969871][ T7704] netlink_unicast+0x449/0x710 [ 919.969871][ T7704] netlink_sendmsg+0x723/0xbe0 [ 919.969871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 919.969871][ T7704] ___sys_sendmsg+0xee/0x170 [ 919.969871][ T7704] __sys_sendmsg+0xcd/0x170 [ 919.969871][ T7704] do_syscall_64+0xc6/0x1e0 [ 919.969871][ T7704] [ 919.972049][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 919.972049][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 919.972049][ T7704] ipv6_find_idev+0x102/0x170 [ 919.972049][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 919.972049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.972049][ T7704] netlink_rcv_skb+0x130/0x360 [ 919.972049][ T7704] netlink_unicast+0x449/0x710 [ 919.972049][ T7704] netlink_sendmsg+0x723/0xbe0 [ 919.972049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 919.972049][ T7704] ___sys_sendmsg+0xee/0x170 [ 919.972049][ T7704] __sys_sendmsg+0xcd/0x170 [ 919.972049][ T7704] do_syscall_64+0xc6/0x1e0 [ 919.972049][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.972049][ T7704] [ 919.973760][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 919.973760][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 919.973760][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 919.973760][ T7704] ipv6_find_idev+0x102/0x170 [ 919.973760][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 919.973760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.973760][ T7704] netlink_rcv_skb+0x130/0x360 [ 919.973760][ T7704] netlink_unicast+0x449/0x710 [ 919.973760][ T7704] netlink_sendmsg+0x723/0xbe0 [ 919.973760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 919.973760][ T7704] ___sys_sendmsg+0xee/0x170 [ 919.973760][ T7704] __sys_sendmsg+0xcd/0x170 [ 919.973760][ T7704] do_syscall_64+0xc6/0x1e0 [ 919.973760][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.973760][ T7704] [ 930.212844][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 930.213382][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 930.213382][ T7704] netdev_get_by_index+0x5e/0x80 [ 930.213382][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 930.213382][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 930.213382][ T7704] ip6_route_add+0x1c/0x140 [ 930.213382][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 930.213382][ T7704] inet6_addr_add+0x4f8/0xa40 [ 930.213382][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 930.213382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.213382][ T7704] netlink_rcv_skb+0x130/0x360 [ 930.213382][ T7704] netlink_unicast+0x449/0x710 [ 930.213382][ T7704] netlink_sendmsg+0x723/0xbe0 [ 930.213382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 930.213382][ T7704] ___sys_sendmsg+0xee/0x170 [ 930.213382][ T7704] __sys_sendmsg+0xcd/0x170 [ 930.213382][ T7704] do_syscall_64+0xc6/0x1e0 [ 930.213382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.213382][ T7704] [ 930.215795][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 930.215795][ T7704] netdev_get_by_index+0x5e/0x80 [ 930.215795][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 930.215795][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 930.215795][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 930.215795][ T7704] ipv6_add_addr+0x411/0x2000 [ 930.215795][ T7704] inet6_addr_add+0x30e/0xa40 [ 930.215795][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 930.215795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.215795][ T7704] netlink_rcv_skb+0x130/0x360 [ 930.215795][ T7704] netlink_unicast+0x449/0x710 [ 930.215795][ T7704] netlink_sendmsg+0x723/0xbe0 [ 930.215795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 930.215795][ T7704] ___sys_sendmsg+0xee/0x170 [ 930.215795][ T7704] __sys_sendmsg+0xcd/0x170 [ 930.215795][ T7704] do_syscall_64+0xc6/0x1e0 [ 930.215795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.215795][ T7704] [ 930.218048][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 930.218048][ T7704] netdev_get_by_index+0x5e/0x80 [ 930.218048][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 930.218048][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 930.218048][ T7704] ip6_route_add+0x1c/0x140 [ 930.218048][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 930.218048][ T7704] addrconf_add_dev+0xe2/0x170 [ 930.218048][ T7704] inet6_addr_add+0x12f/0xa40 [ 930.218048][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 930.218048][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.218048][ T7704] netlink_rcv_skb+0x130/0x360 [ 930.218048][ T7704] netlink_unicast+0x449/0x710 [ 930.218048][ T7704] netlink_sendmsg+0x723/0xbe0 [ 930.218048][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 930.218048][ T7704] ___sys_sendmsg+0xee/0x170 [ 930.218048][ T7704] __sys_sendmsg+0xcd/0x170 [ 930.218048][ T7704] do_syscall_64+0xc6/0x1e0 [ 930.218048][ T7704] [ 930.220236][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 930.220236][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 930.220236][ T7704] ipv6_find_idev+0x102/0x170 [ 930.220236][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.220236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.220236][ T7704] netlink_rcv_skb+0x130/0x360 [ 930.220236][ T7704] netlink_unicast+0x449/0x710 [ 930.220236][ T7704] netlink_sendmsg+0x723/0xbe0 [ 930.220236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 930.220236][ T7704] ___sys_sendmsg+0xee/0x170 [ 930.220236][ T7704] __sys_sendmsg+0xcd/0x170 [ 930.220236][ T7704] do_syscall_64+0xc6/0x1e0 [ 930.220236][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.220236][ T7704] [ 930.222041][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 930.222041][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 930.222041][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 930.222041][ T7704] ipv6_find_idev+0x102/0x170 [ 930.222041][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 930.222041][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 930.222041][ T7704] netlink_rcv_skb+0x130/0x360 [ 930.222041][ T7704] netlink_unicast+0x449/0x710 [ 930.222041][ T7704] netlink_sendmsg+0x723/0xbe0 [ 930.222041][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 930.222041][ T7704] ___sys_sendmsg+0xee/0x170 [ 930.222041][ T7704] __sys_sendmsg+0xcd/0x170 [ 930.222041][ T7704] do_syscall_64+0xc6/0x1e0 [ 930.222041][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 930.222041][ T7704] [ 940.460798][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 940.461447][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 940.461447][ T7704] netdev_get_by_index+0x5e/0x80 [ 940.461447][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 940.461447][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 940.461447][ T7704] ip6_route_add+0x1c/0x140 [ 940.461447][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 940.461447][ T7704] inet6_addr_add+0x4f8/0xa40 [ 940.461447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 940.461447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.461447][ T7704] netlink_rcv_skb+0x130/0x360 [ 940.461447][ T7704] netlink_unicast+0x449/0x710 [ 940.461447][ T7704] netlink_sendmsg+0x723/0xbe0 [ 940.461447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 940.461447][ T7704] ___sys_sendmsg+0xee/0x170 [ 940.461447][ T7704] __sys_sendmsg+0xcd/0x170 [ 940.461447][ T7704] do_syscall_64+0xc6/0x1e0 [ 940.461447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.461447][ T7704] [ 940.464424][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 940.464424][ T7704] netdev_get_by_index+0x5e/0x80 [ 940.464424][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 940.464424][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 940.464424][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 940.464424][ T7704] ipv6_add_addr+0x411/0x2000 [ 940.464424][ T7704] inet6_addr_add+0x30e/0xa40 [ 940.464424][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 940.464424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.464424][ T7704] netlink_rcv_skb+0x130/0x360 [ 940.464424][ T7704] netlink_unicast+0x449/0x710 [ 940.464424][ T7704] netlink_sendmsg+0x723/0xbe0 [ 940.464424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 940.464424][ T7704] ___sys_sendmsg+0xee/0x170 [ 940.464424][ T7704] __sys_sendmsg+0xcd/0x170 [ 940.464424][ T7704] do_syscall_64+0xc6/0x1e0 [ 940.464424][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.464424][ T7704] [ 940.466734][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 940.466734][ T7704] netdev_get_by_index+0x5e/0x80 [ 940.466734][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 940.466734][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 940.466734][ T7704] ip6_route_add+0x1c/0x140 [ 940.466734][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 940.466734][ T7704] addrconf_add_dev+0xe2/0x170 [ 940.466734][ T7704] inet6_addr_add+0x12f/0xa40 [ 940.466734][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 940.466734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.466734][ T7704] netlink_rcv_skb+0x130/0x360 [ 940.466734][ T7704] netlink_unicast+0x449/0x710 [ 940.466734][ T7704] netlink_sendmsg+0x723/0xbe0 [ 940.466734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 940.466734][ T7704] ___sys_sendmsg+0xee/0x170 [ 940.466734][ T7704] __sys_sendmsg+0xcd/0x170 [ 940.466734][ T7704] do_syscall_64+0xc6/0x1e0 [ 940.466734][ T7704] [ 940.468942][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 940.468942][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 940.468942][ T7704] ipv6_find_idev+0x102/0x170 [ 940.468942][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.468942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.468942][ T7704] netlink_rcv_skb+0x130/0x360 [ 940.468942][ T7704] netlink_unicast+0x449/0x710 [ 940.468942][ T7704] netlink_sendmsg+0x723/0xbe0 [ 940.468942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 940.468942][ T7704] ___sys_sendmsg+0xee/0x170 [ 940.468942][ T7704] __sys_sendmsg+0xcd/0x170 [ 940.468942][ T7704] do_syscall_64+0xc6/0x1e0 [ 940.468942][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.468942][ T7704] [ 940.471574][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 940.471574][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 940.471574][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 940.471574][ T7704] ipv6_find_idev+0x102/0x170 [ 940.471574][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 940.471574][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 940.471574][ T7704] netlink_rcv_skb+0x130/0x360 [ 940.471574][ T7704] netlink_unicast+0x449/0x710 [ 940.471574][ T7704] netlink_sendmsg+0x723/0xbe0 [ 940.471574][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 940.471574][ T7704] ___sys_sendmsg+0xee/0x170 [ 940.471574][ T7704] __sys_sendmsg+0xcd/0x170 [ 940.471574][ T7704] do_syscall_64+0xc6/0x1e0 [ 940.471574][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 940.471574][ T7704] [ 950.716782][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 950.717317][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 950.717317][ T7704] netdev_get_by_index+0x5e/0x80 [ 950.717317][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 950.717317][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 950.717317][ T7704] ip6_route_add+0x1c/0x140 [ 950.717317][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 950.717317][ T7704] inet6_addr_add+0x4f8/0xa40 [ 950.717317][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 950.717317][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.717317][ T7704] netlink_rcv_skb+0x130/0x360 [ 950.717317][ T7704] netlink_unicast+0x449/0x710 [ 950.717317][ T7704] netlink_sendmsg+0x723/0xbe0 [ 950.717317][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 950.717317][ T7704] ___sys_sendmsg+0xee/0x170 [ 950.717317][ T7704] __sys_sendmsg+0xcd/0x170 [ 950.717317][ T7704] do_syscall_64+0xc6/0x1e0 [ 950.717317][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.717317][ T7704] [ 950.719564][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 950.719564][ T7704] netdev_get_by_index+0x5e/0x80 [ 950.719564][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 950.719564][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 950.719564][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 950.719564][ T7704] ipv6_add_addr+0x411/0x2000 [ 950.719564][ T7704] inet6_addr_add+0x30e/0xa40 [ 950.719564][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 950.719564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.719564][ T7704] netlink_rcv_skb+0x130/0x360 [ 950.719564][ T7704] netlink_unicast+0x449/0x710 [ 950.719564][ T7704] netlink_sendmsg+0x723/0xbe0 [ 950.719564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 950.719564][ T7704] ___sys_sendmsg+0xee/0x170 [ 950.719564][ T7704] __sys_sendmsg+0xcd/0x170 [ 950.719564][ T7704] do_syscall_64+0xc6/0x1e0 [ 950.719564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.719564][ T7704] [ 950.721808][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 950.721808][ T7704] netdev_get_by_index+0x5e/0x80 [ 950.721808][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 950.721808][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 950.721808][ T7704] ip6_route_add+0x1c/0x140 [ 950.721808][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 950.721808][ T7704] addrconf_add_dev+0xe2/0x170 [ 950.721808][ T7704] inet6_addr_add+0x12f/0xa40 [ 950.721808][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 950.721808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.721808][ T7704] netlink_rcv_skb+0x130/0x360 [ 950.721808][ T7704] netlink_unicast+0x449/0x710 [ 950.721808][ T7704] netlink_sendmsg+0x723/0xbe0 [ 950.721808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 950.721808][ T7704] ___sys_sendmsg+0xee/0x170 [ 950.721808][ T7704] __sys_sendmsg+0xcd/0x170 [ 950.721808][ T7704] do_syscall_64+0xc6/0x1e0 [ 950.721808][ T7704] [ 950.723994][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 950.723994][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 950.723994][ T7704] ipv6_find_idev+0x102/0x170 [ 950.723994][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 950.723994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.723994][ T7704] netlink_rcv_skb+0x130/0x360 [ 950.723994][ T7704] netlink_unicast+0x449/0x710 [ 950.723994][ T7704] netlink_sendmsg+0x723/0xbe0 [ 950.723994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 950.723994][ T7704] ___sys_sendmsg+0xee/0x170 [ 950.723994][ T7704] __sys_sendmsg+0xcd/0x170 [ 950.723994][ T7704] do_syscall_64+0xc6/0x1e0 [ 950.723994][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.723994][ T7704] [ 950.725738][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 950.725738][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 950.725738][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 950.725738][ T7704] ipv6_find_idev+0x102/0x170 [ 950.725738][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 950.725738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 950.725738][ T7704] netlink_rcv_skb+0x130/0x360 [ 950.725738][ T7704] netlink_unicast+0x449/0x710 [ 950.725738][ T7704] netlink_sendmsg+0x723/0xbe0 [ 950.725738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 950.725738][ T7704] ___sys_sendmsg+0xee/0x170 [ 950.725738][ T7704] __sys_sendmsg+0xcd/0x170 [ 950.725738][ T7704] do_syscall_64+0xc6/0x1e0 [ 950.725738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 950.725738][ T7704] [ 960.964805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 960.965341][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 960.965341][ T7704] netdev_get_by_index+0x5e/0x80 [ 960.965341][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 960.965341][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 960.965341][ T7704] ip6_route_add+0x1c/0x140 [ 960.965341][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 960.965341][ T7704] inet6_addr_add+0x4f8/0xa40 [ 960.965341][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 960.965341][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 960.965341][ T7704] netlink_rcv_skb+0x130/0x360 [ 960.965341][ T7704] netlink_unicast+0x449/0x710 [ 960.965341][ T7704] netlink_sendmsg+0x723/0xbe0 [ 960.965341][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 960.965341][ T7704] ___sys_sendmsg+0xee/0x170 [ 960.965341][ T7704] __sys_sendmsg+0xcd/0x170 [ 960.965341][ T7704] do_syscall_64+0xc6/0x1e0 [ 960.965341][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 960.965341][ T7704] [ 960.967605][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 960.967605][ T7704] netdev_get_by_index+0x5e/0x80 [ 960.967605][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 960.967605][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 960.967605][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 960.967605][ T7704] ipv6_add_addr+0x411/0x2000 [ 960.967605][ T7704] inet6_addr_add+0x30e/0xa40 [ 960.967605][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 960.967605][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 960.967605][ T7704] netlink_rcv_skb+0x130/0x360 [ 960.967605][ T7704] netlink_unicast+0x449/0x710 [ 960.967605][ T7704] netlink_sendmsg+0x723/0xbe0 [ 960.967605][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 960.967605][ T7704] ___sys_sendmsg+0xee/0x170 [ 960.967605][ T7704] __sys_sendmsg+0xcd/0x170 [ 960.967605][ T7704] do_syscall_64+0xc6/0x1e0 [ 960.967605][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 960.967605][ T7704] [ 960.970325][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 960.970325][ T7704] netdev_get_by_index+0x5e/0x80 [ 960.970325][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 960.970325][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 960.970325][ T7704] ip6_route_add+0x1c/0x140 [ 960.970325][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 960.970325][ T7704] addrconf_add_dev+0xe2/0x170 [ 960.970325][ T7704] inet6_addr_add+0x12f/0xa40 [ 960.970325][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 960.970325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 960.970325][ T7704] netlink_rcv_skb+0x130/0x360 [ 960.970325][ T7704] netlink_unicast+0x449/0x710 [ 960.970325][ T7704] netlink_sendmsg+0x723/0xbe0 [ 960.970325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 960.970325][ T7704] ___sys_sendmsg+0xee/0x170 [ 960.970325][ T7704] __sys_sendmsg+0xcd/0x170 [ 960.970325][ T7704] do_syscall_64+0xc6/0x1e0 [ 960.970325][ T7704] [ 960.972524][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 960.972524][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 960.972524][ T7704] ipv6_find_idev+0x102/0x170 [ 960.972524][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 960.972524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 960.972524][ T7704] netlink_rcv_skb+0x130/0x360 [ 960.972524][ T7704] netlink_unicast+0x449/0x710 [ 960.972524][ T7704] netlink_sendmsg+0x723/0xbe0 [ 960.972524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 960.972524][ T7704] ___sys_sendmsg+0xee/0x170 [ 960.972524][ T7704] __sys_sendmsg+0xcd/0x170 [ 960.972524][ T7704] do_syscall_64+0xc6/0x1e0 [ 960.972524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 960.972524][ T7704] [ 960.974258][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 960.974258][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 960.974258][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 960.974258][ T7704] ipv6_find_idev+0x102/0x170 [ 960.974258][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 960.974258][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 960.974258][ T7704] netlink_rcv_skb+0x130/0x360 [ 960.974258][ T7704] netlink_unicast+0x449/0x710 [ 960.974258][ T7704] netlink_sendmsg+0x723/0xbe0 [ 960.974258][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 960.974258][ T7704] ___sys_sendmsg+0xee/0x170 [ 960.974258][ T7704] __sys_sendmsg+0xcd/0x170 [ 960.974258][ T7704] do_syscall_64+0xc6/0x1e0 [ 960.974258][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 960.974258][ T7704] [ 971.036845][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 971.037507][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 971.037507][ T7704] netdev_get_by_index+0x5e/0x80 [ 971.037507][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 971.037507][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 971.037507][ T7704] ip6_route_add+0x1c/0x140 [ 971.037507][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 971.037507][ T7704] inet6_addr_add+0x4f8/0xa40 [ 971.037507][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 971.037507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.037507][ T7704] netlink_rcv_skb+0x130/0x360 [ 971.037507][ T7704] netlink_unicast+0x449/0x710 [ 971.037507][ T7704] netlink_sendmsg+0x723/0xbe0 [ 971.037507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 971.037507][ T7704] ___sys_sendmsg+0xee/0x170 [ 971.037507][ T7704] __sys_sendmsg+0xcd/0x170 [ 971.037507][ T7704] do_syscall_64+0xc6/0x1e0 [ 971.037507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.037507][ T7704] [ 971.040977][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 971.040977][ T7704] netdev_get_by_index+0x5e/0x80 [ 971.040977][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 971.040977][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 971.040977][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 971.040977][ T7704] ipv6_add_addr+0x411/0x2000 [ 971.040977][ T7704] inet6_addr_add+0x30e/0xa40 [ 971.040977][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 971.040977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.040977][ T7704] netlink_rcv_skb+0x130/0x360 [ 971.040977][ T7704] netlink_unicast+0x449/0x710 [ 971.040977][ T7704] netlink_sendmsg+0x723/0xbe0 [ 971.040977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 971.040977][ T7704] ___sys_sendmsg+0xee/0x170 [ 971.040977][ T7704] __sys_sendmsg+0xcd/0x170 [ 971.040977][ T7704] do_syscall_64+0xc6/0x1e0 [ 971.040977][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.040977][ T7704] [ 971.043341][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 971.043341][ T7704] netdev_get_by_index+0x5e/0x80 [ 971.043341][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 971.043341][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 971.043341][ T7704] ip6_route_add+0x1c/0x140 [ 971.043341][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 971.043341][ T7704] addrconf_add_dev+0xe2/0x170 [ 971.043341][ T7704] inet6_addr_add+0x12f/0xa40 [ 971.043341][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 971.043341][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.043341][ T7704] netlink_rcv_skb+0x130/0x360 [ 971.043341][ T7704] netlink_unicast+0x449/0x710 [ 971.043341][ T7704] netlink_sendmsg+0x723/0xbe0 [ 971.043341][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 971.043341][ T7704] ___sys_sendmsg+0xee/0x170 [ 971.043341][ T7704] __sys_sendmsg+0xcd/0x170 [ 971.043341][ T7704] do_syscall_64+0xc6/0x1e0 [ 971.043341][ T7704] [ 971.046883][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 971.046883][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 971.046883][ T7704] ipv6_find_idev+0x102/0x170 [ 971.046883][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.046883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.046883][ T7704] netlink_rcv_skb+0x130/0x360 [ 971.046883][ T7704] netlink_unicast+0x449/0x710 [ 971.046883][ T7704] netlink_sendmsg+0x723/0xbe0 [ 971.046883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 971.046883][ T7704] ___sys_sendmsg+0xee/0x170 [ 971.046883][ T7704] __sys_sendmsg+0xcd/0x170 [ 971.046883][ T7704] do_syscall_64+0xc6/0x1e0 [ 971.046883][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.046883][ T7704] [ 971.049520][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 971.049520][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 971.049520][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 971.049520][ T7704] ipv6_find_idev+0x102/0x170 [ 971.049520][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.049520][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.049520][ T7704] netlink_rcv_skb+0x130/0x360 [ 971.049520][ T7704] netlink_unicast+0x449/0x710 [ 971.049520][ T7704] netlink_sendmsg+0x723/0xbe0 [ 971.049520][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 971.049520][ T7704] ___sys_sendmsg+0xee/0x170 [ 971.049520][ T7704] __sys_sendmsg+0xcd/0x170 [ 971.049520][ T7704] do_syscall_64+0xc6/0x1e0 [ 971.049520][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.049520][ T7704] [ 981.332891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 981.333451][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 981.333451][ T7704] netdev_get_by_index+0x5e/0x80 [ 981.333451][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 981.333451][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 981.333451][ T7704] ip6_route_add+0x1c/0x140 [ 981.333451][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 981.333451][ T7704] inet6_addr_add+0x4f8/0xa40 [ 981.333451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 981.333451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.333451][ T7704] netlink_rcv_skb+0x130/0x360 [ 981.333451][ T7704] netlink_unicast+0x449/0x710 [ 981.333451][ T7704] netlink_sendmsg+0x723/0xbe0 [ 981.333451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 981.333451][ T7704] ___sys_sendmsg+0xee/0x170 [ 981.333451][ T7704] __sys_sendmsg+0xcd/0x170 [ 981.333451][ T7704] do_syscall_64+0xc6/0x1e0 [ 981.333451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.333451][ T7704] [ 981.335719][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 981.335719][ T7704] netdev_get_by_index+0x5e/0x80 [ 981.335719][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 981.335719][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 981.335719][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 981.335719][ T7704] ipv6_add_addr+0x411/0x2000 [ 981.335719][ T7704] inet6_addr_add+0x30e/0xa40 [ 981.335719][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 981.335719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.335719][ T7704] netlink_rcv_skb+0x130/0x360 [ 981.335719][ T7704] netlink_unicast+0x449/0x710 [ 981.335719][ T7704] netlink_sendmsg+0x723/0xbe0 [ 981.335719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 981.335719][ T7704] ___sys_sendmsg+0xee/0x170 [ 981.335719][ T7704] __sys_sendmsg+0xcd/0x170 [ 981.335719][ T7704] do_syscall_64+0xc6/0x1e0 [ 981.335719][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.335719][ T7704] [ 981.337937][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 981.337937][ T7704] netdev_get_by_index+0x5e/0x80 [ 981.337937][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 981.337937][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 981.337937][ T7704] ip6_route_add+0x1c/0x140 [ 981.337937][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 981.337937][ T7704] addrconf_add_dev+0xe2/0x170 [ 981.337937][ T7704] inet6_addr_add+0x12f/0xa40 [ 981.337937][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 981.337937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.337937][ T7704] netlink_rcv_skb+0x130/0x360 [ 981.337937][ T7704] netlink_unicast+0x449/0x710 [ 981.337937][ T7704] netlink_sendmsg+0x723/0xbe0 [ 981.337937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 981.337937][ T7704] ___sys_sendmsg+0xee/0x170 [ 981.337937][ T7704] __sys_sendmsg+0xcd/0x170 [ 981.337937][ T7704] do_syscall_64+0xc6/0x1e0 [ 981.337937][ T7704] [ 981.340239][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 981.340239][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 981.340239][ T7704] ipv6_find_idev+0x102/0x170 [ 981.340239][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.340239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.340239][ T7704] netlink_rcv_skb+0x130/0x360 [ 981.340239][ T7704] netlink_unicast+0x449/0x710 [ 981.340239][ T7704] netlink_sendmsg+0x723/0xbe0 [ 981.340239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 981.340239][ T7704] ___sys_sendmsg+0xee/0x170 [ 981.340239][ T7704] __sys_sendmsg+0xcd/0x170 [ 981.340239][ T7704] do_syscall_64+0xc6/0x1e0 [ 981.340239][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.340239][ T7704] [ 981.341949][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 981.341949][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 981.341949][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 981.341949][ T7704] ipv6_find_idev+0x102/0x170 [ 981.341949][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.341949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.341949][ T7704] netlink_rcv_skb+0x130/0x360 [ 981.341949][ T7704] netlink_unicast+0x449/0x710 [ 981.341949][ T7704] netlink_sendmsg+0x723/0xbe0 [ 981.341949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 981.341949][ T7704] ___sys_sendmsg+0xee/0x170 [ 981.341949][ T7704] __sys_sendmsg+0xcd/0x170 [ 981.341949][ T7704] do_syscall_64+0xc6/0x1e0 [ 981.341949][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.341949][ T7704] [ 991.588806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 991.589319][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 991.589319][ T7704] netdev_get_by_index+0x5e/0x80 [ 991.589319][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 991.589319][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 991.589319][ T7704] ip6_route_add+0x1c/0x140 [ 991.589319][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 991.589319][ T7704] inet6_addr_add+0x4f8/0xa40 [ 991.589319][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 991.589319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.589319][ T7704] netlink_rcv_skb+0x130/0x360 [ 991.589319][ T7704] netlink_unicast+0x449/0x710 [ 991.589319][ T7704] netlink_sendmsg+0x723/0xbe0 [ 991.589319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 991.589319][ T7704] ___sys_sendmsg+0xee/0x170 [ 991.589319][ T7704] __sys_sendmsg+0xcd/0x170 [ 991.589319][ T7704] do_syscall_64+0xc6/0x1e0 [ 991.589319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.589319][ T7704] [ 991.591704][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 991.591704][ T7704] netdev_get_by_index+0x5e/0x80 [ 991.591704][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 991.591704][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 991.591704][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 991.591704][ T7704] ipv6_add_addr+0x411/0x2000 [ 991.591704][ T7704] inet6_addr_add+0x30e/0xa40 [ 991.591704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 991.591704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.591704][ T7704] netlink_rcv_skb+0x130/0x360 [ 991.591704][ T7704] netlink_unicast+0x449/0x710 [ 991.591704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 991.591704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 991.591704][ T7704] ___sys_sendmsg+0xee/0x170 [ 991.591704][ T7704] __sys_sendmsg+0xcd/0x170 [ 991.591704][ T7704] do_syscall_64+0xc6/0x1e0 [ 991.591704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.591704][ T7704] [ 991.594055][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 991.594055][ T7704] netdev_get_by_index+0x5e/0x80 [ 991.594055][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 991.594055][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 991.594055][ T7704] ip6_route_add+0x1c/0x140 [ 991.594055][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 991.594055][ T7704] addrconf_add_dev+0xe2/0x170 [ 991.594055][ T7704] inet6_addr_add+0x12f/0xa40 [ 991.594055][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 991.594055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.594055][ T7704] netlink_rcv_skb+0x130/0x360 [ 991.594055][ T7704] netlink_unicast+0x449/0x710 [ 991.594055][ T7704] netlink_sendmsg+0x723/0xbe0 [ 991.594055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 991.594055][ T7704] ___sys_sendmsg+0xee/0x170 [ 991.594055][ T7704] __sys_sendmsg+0xcd/0x170 [ 991.594055][ T7704] do_syscall_64+0xc6/0x1e0 [ 991.594055][ T7704] [ 991.596387][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 991.596387][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 991.596387][ T7704] ipv6_find_idev+0x102/0x170 [ 991.596387][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.596387][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.596387][ T7704] netlink_rcv_skb+0x130/0x360 [ 991.596387][ T7704] netlink_unicast+0x449/0x710 [ 991.596387][ T7704] netlink_sendmsg+0x723/0xbe0 [ 991.596387][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 991.596387][ T7704] ___sys_sendmsg+0xee/0x170 [ 991.596387][ T7704] __sys_sendmsg+0xcd/0x170 [ 991.596387][ T7704] do_syscall_64+0xc6/0x1e0 [ 991.596387][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.596387][ T7704] [ 991.598175][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 991.598175][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 991.598175][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 991.598175][ T7704] ipv6_find_idev+0x102/0x170 [ 991.598175][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 991.598175][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 991.598175][ T7704] netlink_rcv_skb+0x130/0x360 [ 991.598175][ T7704] netlink_unicast+0x449/0x710 [ 991.598175][ T7704] netlink_sendmsg+0x723/0xbe0 [ 991.598175][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 991.598175][ T7704] ___sys_sendmsg+0xee/0x170 [ 991.598175][ T7704] __sys_sendmsg+0xcd/0x170 [ 991.598175][ T7704] do_syscall_64+0xc6/0x1e0 [ 991.598175][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 991.598175][ T7704] [ 1001.612872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1001.613423][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1001.613423][ T7704] netdev_get_by_index+0x5e/0x80 [ 1001.613423][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1001.613423][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1001.613423][ T7704] ip6_route_add+0x1c/0x140 [ 1001.613423][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1001.613423][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1001.613423][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1001.613423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.613423][ T7704] netlink_rcv_skb+0x130/0x360 [ 1001.613423][ T7704] netlink_unicast+0x449/0x710 [ 1001.613423][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1001.613423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1001.613423][ T7704] ___sys_sendmsg+0xee/0x170 [ 1001.613423][ T7704] __sys_sendmsg+0xcd/0x170 [ 1001.613423][ T7704] do_syscall_64+0xc6/0x1e0 [ 1001.613423][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.613423][ T7704] [ 1001.615719][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1001.615719][ T7704] netdev_get_by_index+0x5e/0x80 [ 1001.615719][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1001.615719][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1001.615719][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1001.615719][ T7704] ipv6_add_addr+0x411/0x2000 [ 1001.615719][ T7704] inet6_addr_add+0x30e/0xa40 [ 1001.615719][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1001.615719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.615719][ T7704] netlink_rcv_skb+0x130/0x360 [ 1001.615719][ T7704] netlink_unicast+0x449/0x710 [ 1001.615719][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1001.615719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1001.615719][ T7704] ___sys_sendmsg+0xee/0x170 [ 1001.615719][ T7704] __sys_sendmsg+0xcd/0x170 [ 1001.615719][ T7704] do_syscall_64+0xc6/0x1e0 [ 1001.615719][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.615719][ T7704] [ 1001.618032][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1001.618032][ T7704] netdev_get_by_index+0x5e/0x80 [ 1001.618032][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1001.618032][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1001.618032][ T7704] ip6_route_add+0x1c/0x140 [ 1001.618032][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1001.618032][ T7704] addrconf_add_dev+0xe2/0x170 [ 1001.618032][ T7704] inet6_addr_add+0x12f/0xa40 [ 1001.618032][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1001.618032][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.618032][ T7704] netlink_rcv_skb+0x130/0x360 [ 1001.618032][ T7704] netlink_unicast+0x449/0x710 [ 1001.618032][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1001.618032][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1001.618032][ T7704] ___sys_sendmsg+0xee/0x170 [ 1001.618032][ T7704] __sys_sendmsg+0xcd/0x170 [ 1001.618032][ T7704] do_syscall_64+0xc6/0x1e0 [ 1001.618032][ T7704] [ 1001.620231][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1001.620231][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1001.620231][ T7704] ipv6_find_idev+0x102/0x170 [ 1001.620231][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1001.620231][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.620231][ T7704] netlink_rcv_skb+0x130/0x360 [ 1001.620231][ T7704] netlink_unicast+0x449/0x710 [ 1001.620231][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1001.620231][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1001.620231][ T7704] ___sys_sendmsg+0xee/0x170 [ 1001.620231][ T7704] __sys_sendmsg+0xcd/0x170 [ 1001.620231][ T7704] do_syscall_64+0xc6/0x1e0 [ 1001.620231][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.620231][ T7704] [ 1001.621959][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1001.621959][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1001.621959][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1001.621959][ T7704] ipv6_find_idev+0x102/0x170 [ 1001.621959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1001.621959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1001.621959][ T7704] netlink_rcv_skb+0x130/0x360 [ 1001.621959][ T7704] netlink_unicast+0x449/0x710 [ 1001.621959][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1001.621959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1001.621959][ T7704] ___sys_sendmsg+0xee/0x170 [ 1001.621959][ T7704] __sys_sendmsg+0xcd/0x170 [ 1001.621959][ T7704] do_syscall_64+0xc6/0x1e0 [ 1001.621959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1001.621959][ T7704] [ 1011.860827][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1011.861372][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1011.861372][ T7704] netdev_get_by_index+0x5e/0x80 [ 1011.861372][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1011.861372][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1011.861372][ T7704] ip6_route_add+0x1c/0x140 [ 1011.861372][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1011.861372][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1011.861372][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1011.861372][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.861372][ T7704] netlink_rcv_skb+0x130/0x360 [ 1011.861372][ T7704] netlink_unicast+0x449/0x710 [ 1011.861372][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1011.861372][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1011.861372][ T7704] ___sys_sendmsg+0xee/0x170 [ 1011.861372][ T7704] __sys_sendmsg+0xcd/0x170 [ 1011.861372][ T7704] do_syscall_64+0xc6/0x1e0 [ 1011.861372][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.861372][ T7704] [ 1011.863651][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1011.863651][ T7704] netdev_get_by_index+0x5e/0x80 [ 1011.863651][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1011.863651][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1011.863651][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1011.863651][ T7704] ipv6_add_addr+0x411/0x2000 [ 1011.863651][ T7704] inet6_addr_add+0x30e/0xa40 [ 1011.863651][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1011.863651][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.863651][ T7704] netlink_rcv_skb+0x130/0x360 [ 1011.863651][ T7704] netlink_unicast+0x449/0x710 [ 1011.863651][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1011.863651][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1011.863651][ T7704] ___sys_sendmsg+0xee/0x170 [ 1011.863651][ T7704] __sys_sendmsg+0xcd/0x170 [ 1011.863651][ T7704] do_syscall_64+0xc6/0x1e0 [ 1011.863651][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.863651][ T7704] [ 1011.865897][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1011.865897][ T7704] netdev_get_by_index+0x5e/0x80 [ 1011.865897][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1011.865897][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1011.865897][ T7704] ip6_route_add+0x1c/0x140 [ 1011.865897][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1011.865897][ T7704] addrconf_add_dev+0xe2/0x170 [ 1011.865897][ T7704] inet6_addr_add+0x12f/0xa40 [ 1011.865897][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1011.865897][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.865897][ T7704] netlink_rcv_skb+0x130/0x360 [ 1011.865897][ T7704] netlink_unicast+0x449/0x710 [ 1011.865897][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1011.865897][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1011.865897][ T7704] ___sys_sendmsg+0xee/0x170 [ 1011.865897][ T7704] __sys_sendmsg+0xcd/0x170 [ 1011.865897][ T7704] do_syscall_64+0xc6/0x1e0 [ 1011.865897][ T7704] [ 1011.868087][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1011.868087][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1011.868087][ T7704] ipv6_find_idev+0x102/0x170 [ 1011.868087][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1011.868087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.868087][ T7704] netlink_rcv_skb+0x130/0x360 [ 1011.868087][ T7704] netlink_unicast+0x449/0x710 [ 1011.868087][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1011.868087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1011.868087][ T7704] ___sys_sendmsg+0xee/0x170 [ 1011.868087][ T7704] __sys_sendmsg+0xcd/0x170 [ 1011.868087][ T7704] do_syscall_64+0xc6/0x1e0 [ 1011.868087][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.868087][ T7704] [ 1011.869799][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1011.869799][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1011.869799][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1011.869799][ T7704] ipv6_find_idev+0x102/0x170 [ 1011.869799][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1011.869799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1011.869799][ T7704] netlink_rcv_skb+0x130/0x360 [ 1011.869799][ T7704] netlink_unicast+0x449/0x710 [ 1011.869799][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1011.869799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1011.869799][ T7704] ___sys_sendmsg+0xee/0x170 [ 1011.869799][ T7704] __sys_sendmsg+0xcd/0x170 [ 1011.869799][ T7704] do_syscall_64+0xc6/0x1e0 [ 1011.869799][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1011.869799][ T7704] [ 1022.108866][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1022.109424][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1022.109424][ T7704] netdev_get_by_index+0x5e/0x80 [ 1022.109424][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1022.109424][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1022.109424][ T7704] ip6_route_add+0x1c/0x140 [ 1022.109424][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1022.109424][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1022.109424][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1022.109424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.109424][ T7704] netlink_rcv_skb+0x130/0x360 [ 1022.109424][ T7704] netlink_unicast+0x449/0x710 [ 1022.109424][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1022.109424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1022.109424][ T7704] ___sys_sendmsg+0xee/0x170 [ 1022.109424][ T7704] __sys_sendmsg+0xcd/0x170 [ 1022.109424][ T7704] do_syscall_64+0xc6/0x1e0 [ 1022.109424][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.109424][ T7704] [ 1022.111695][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1022.111695][ T7704] netdev_get_by_index+0x5e/0x80 [ 1022.111695][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1022.111695][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1022.111695][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1022.111695][ T7704] ipv6_add_addr+0x411/0x2000 [ 1022.111695][ T7704] inet6_addr_add+0x30e/0xa40 [ 1022.111695][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1022.111695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.111695][ T7704] netlink_rcv_skb+0x130/0x360 [ 1022.111695][ T7704] netlink_unicast+0x449/0x710 [ 1022.111695][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1022.111695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1022.111695][ T7704] ___sys_sendmsg+0xee/0x170 [ 1022.111695][ T7704] __sys_sendmsg+0xcd/0x170 [ 1022.111695][ T7704] do_syscall_64+0xc6/0x1e0 [ 1022.111695][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.111695][ T7704] [ 1022.113937][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1022.113937][ T7704] netdev_get_by_index+0x5e/0x80 [ 1022.113937][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1022.113937][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1022.113937][ T7704] ip6_route_add+0x1c/0x140 [ 1022.113937][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1022.113937][ T7704] addrconf_add_dev+0xe2/0x170 [ 1022.113937][ T7704] inet6_addr_add+0x12f/0xa40 [ 1022.113937][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1022.113937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.113937][ T7704] netlink_rcv_skb+0x130/0x360 [ 1022.113937][ T7704] netlink_unicast+0x449/0x710 [ 1022.113937][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1022.113937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1022.113937][ T7704] ___sys_sendmsg+0xee/0x170 [ 1022.113937][ T7704] __sys_sendmsg+0xcd/0x170 [ 1022.113937][ T7704] do_syscall_64+0xc6/0x1e0 [ 1022.113937][ T7704] [ 1022.116153][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1022.116153][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1022.116153][ T7704] ipv6_find_idev+0x102/0x170 [ 1022.116153][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.116153][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.116153][ T7704] netlink_rcv_skb+0x130/0x360 [ 1022.116153][ T7704] netlink_unicast+0x449/0x710 [ 1022.116153][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1022.116153][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1022.116153][ T7704] ___sys_sendmsg+0xee/0x170 [ 1022.116153][ T7704] __sys_sendmsg+0xcd/0x170 [ 1022.116153][ T7704] do_syscall_64+0xc6/0x1e0 [ 1022.116153][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.116153][ T7704] [ 1022.117901][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1022.117901][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1022.117901][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1022.117901][ T7704] ipv6_find_idev+0x102/0x170 [ 1022.117901][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.117901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.117901][ T7704] netlink_rcv_skb+0x130/0x360 [ 1022.117901][ T7704] netlink_unicast+0x449/0x710 [ 1022.117901][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1022.117901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1022.117901][ T7704] ___sys_sendmsg+0xee/0x170 [ 1022.117901][ T7704] __sys_sendmsg+0xcd/0x170 [ 1022.117901][ T7704] do_syscall_64+0xc6/0x1e0 [ 1022.117901][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.117901][ T7704] [ 1032.356866][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1032.357385][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1032.357385][ T7704] netdev_get_by_index+0x5e/0x80 [ 1032.357385][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1032.357385][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1032.357385][ T7704] ip6_route_add+0x1c/0x140 [ 1032.357385][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1032.357385][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1032.357385][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1032.357385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.357385][ T7704] netlink_rcv_skb+0x130/0x360 [ 1032.357385][ T7704] netlink_unicast+0x449/0x710 [ 1032.357385][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1032.357385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1032.357385][ T7704] ___sys_sendmsg+0xee/0x170 [ 1032.357385][ T7704] __sys_sendmsg+0xcd/0x170 [ 1032.357385][ T7704] do_syscall_64+0xc6/0x1e0 [ 1032.357385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.357385][ T7704] [ 1032.359637][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1032.359637][ T7704] netdev_get_by_index+0x5e/0x80 [ 1032.359637][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1032.359637][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1032.359637][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1032.359637][ T7704] ipv6_add_addr+0x411/0x2000 [ 1032.359637][ T7704] inet6_addr_add+0x30e/0xa40 [ 1032.359637][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1032.359637][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.359637][ T7704] netlink_rcv_skb+0x130/0x360 [ 1032.359637][ T7704] netlink_unicast+0x449/0x710 [ 1032.359637][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1032.359637][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1032.359637][ T7704] ___sys_sendmsg+0xee/0x170 [ 1032.359637][ T7704] __sys_sendmsg+0xcd/0x170 [ 1032.359637][ T7704] do_syscall_64+0xc6/0x1e0 [ 1032.359637][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.359637][ T7704] [ 1032.361859][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1032.361859][ T7704] netdev_get_by_index+0x5e/0x80 [ 1032.361859][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1032.361859][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1032.361859][ T7704] ip6_route_add+0x1c/0x140 [ 1032.361859][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1032.361859][ T7704] addrconf_add_dev+0xe2/0x170 [ 1032.361859][ T7704] inet6_addr_add+0x12f/0xa40 [ 1032.361859][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1032.361859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.361859][ T7704] netlink_rcv_skb+0x130/0x360 [ 1032.361859][ T7704] netlink_unicast+0x449/0x710 [ 1032.361859][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1032.361859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1032.361859][ T7704] ___sys_sendmsg+0xee/0x170 [ 1032.361859][ T7704] __sys_sendmsg+0xcd/0x170 [ 1032.361859][ T7704] do_syscall_64+0xc6/0x1e0 [ 1032.361859][ T7704] [ 1032.364039][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1032.364039][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1032.364039][ T7704] ipv6_find_idev+0x102/0x170 [ 1032.364039][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.364039][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.364039][ T7704] netlink_rcv_skb+0x130/0x360 [ 1032.364039][ T7704] netlink_unicast+0x449/0x710 [ 1032.364039][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1032.364039][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1032.364039][ T7704] ___sys_sendmsg+0xee/0x170 [ 1032.364039][ T7704] __sys_sendmsg+0xcd/0x170 [ 1032.364039][ T7704] do_syscall_64+0xc6/0x1e0 [ 1032.364039][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.364039][ T7704] [ 1032.365776][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1032.365776][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1032.365776][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1032.365776][ T7704] ipv6_find_idev+0x102/0x170 [ 1032.365776][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.365776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.365776][ T7704] netlink_rcv_skb+0x130/0x360 [ 1032.365776][ T7704] netlink_unicast+0x449/0x710 [ 1032.365776][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1032.365776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1032.365776][ T7704] ___sys_sendmsg+0xee/0x170 [ 1032.365776][ T7704] __sys_sendmsg+0xcd/0x170 [ 1032.365776][ T7704] do_syscall_64+0xc6/0x1e0 [ 1032.365776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.365776][ T7704] [ 1042.644932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1042.645467][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1042.645467][ T7704] netdev_get_by_index+0x5e/0x80 [ 1042.645467][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1042.645467][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1042.645467][ T7704] ip6_route_add+0x1c/0x140 [ 1042.645467][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1042.645467][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1042.645467][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1042.645467][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.645467][ T7704] netlink_rcv_skb+0x130/0x360 [ 1042.645467][ T7704] netlink_unicast+0x449/0x710 [ 1042.645467][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1042.645467][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1042.645467][ T7704] ___sys_sendmsg+0xee/0x170 [ 1042.645467][ T7704] __sys_sendmsg+0xcd/0x170 [ 1042.645467][ T7704] do_syscall_64+0xc6/0x1e0 [ 1042.645467][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.645467][ T7704] [ 1042.647710][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1042.647710][ T7704] netdev_get_by_index+0x5e/0x80 [ 1042.647710][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1042.647710][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1042.647710][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1042.647710][ T7704] ipv6_add_addr+0x411/0x2000 [ 1042.647710][ T7704] inet6_addr_add+0x30e/0xa40 [ 1042.647710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1042.647710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.647710][ T7704] netlink_rcv_skb+0x130/0x360 [ 1042.647710][ T7704] netlink_unicast+0x449/0x710 [ 1042.647710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1042.647710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1042.647710][ T7704] ___sys_sendmsg+0xee/0x170 [ 1042.647710][ T7704] __sys_sendmsg+0xcd/0x170 [ 1042.647710][ T7704] do_syscall_64+0xc6/0x1e0 [ 1042.647710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.647710][ T7704] [ 1042.649949][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1042.649949][ T7704] netdev_get_by_index+0x5e/0x80 [ 1042.649949][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1042.649949][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1042.649949][ T7704] ip6_route_add+0x1c/0x140 [ 1042.649949][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1042.649949][ T7704] addrconf_add_dev+0xe2/0x170 [ 1042.649949][ T7704] inet6_addr_add+0x12f/0xa40 [ 1042.649949][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1042.649949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.649949][ T7704] netlink_rcv_skb+0x130/0x360 [ 1042.649949][ T7704] netlink_unicast+0x449/0x710 [ 1042.649949][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1042.649949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1042.649949][ T7704] ___sys_sendmsg+0xee/0x170 [ 1042.649949][ T7704] __sys_sendmsg+0xcd/0x170 [ 1042.649949][ T7704] do_syscall_64+0xc6/0x1e0 [ 1042.649949][ T7704] [ 1042.652123][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1042.652123][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1042.652123][ T7704] ipv6_find_idev+0x102/0x170 [ 1042.652123][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1042.652123][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.652123][ T7704] netlink_rcv_skb+0x130/0x360 [ 1042.652123][ T7704] netlink_unicast+0x449/0x710 [ 1042.652123][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1042.652123][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1042.652123][ T7704] ___sys_sendmsg+0xee/0x170 [ 1042.652123][ T7704] __sys_sendmsg+0xcd/0x170 [ 1042.652123][ T7704] do_syscall_64+0xc6/0x1e0 [ 1042.652123][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.652123][ T7704] [ 1042.653823][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1042.653823][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1042.653823][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1042.653823][ T7704] ipv6_find_idev+0x102/0x170 [ 1042.653823][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1042.653823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1042.653823][ T7704] netlink_rcv_skb+0x130/0x360 [ 1042.653823][ T7704] netlink_unicast+0x449/0x710 [ 1042.653823][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1042.653823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1042.653823][ T7704] ___sys_sendmsg+0xee/0x170 [ 1042.653823][ T7704] __sys_sendmsg+0xcd/0x170 [ 1042.653823][ T7704] do_syscall_64+0xc6/0x1e0 [ 1042.653823][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1042.653823][ T7704] [ 1052.804808][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1052.805408][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1052.805408][ T7704] netdev_get_by_index+0x5e/0x80 [ 1052.805408][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1052.805408][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1052.805408][ T7704] ip6_route_add+0x1c/0x140 [ 1052.805408][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1052.805408][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1052.805408][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1052.805408][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1052.805408][ T7704] netlink_rcv_skb+0x130/0x360 [ 1052.805408][ T7704] netlink_unicast+0x449/0x710 [ 1052.805408][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1052.805408][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1052.805408][ T7704] ___sys_sendmsg+0xee/0x170 [ 1052.805408][ T7704] __sys_sendmsg+0xcd/0x170 [ 1052.805408][ T7704] do_syscall_64+0xc6/0x1e0 [ 1052.805408][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1052.805408][ T7704] [ 1052.807693][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1052.807693][ T7704] netdev_get_by_index+0x5e/0x80 [ 1052.807693][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1052.807693][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1052.807693][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1052.807693][ T7704] ipv6_add_addr+0x411/0x2000 [ 1052.807693][ T7704] inet6_addr_add+0x30e/0xa40 [ 1052.807693][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1052.807693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1052.807693][ T7704] netlink_rcv_skb+0x130/0x360 [ 1052.807693][ T7704] netlink_unicast+0x449/0x710 [ 1052.807693][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1052.807693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1052.807693][ T7704] ___sys_sendmsg+0xee/0x170 [ 1052.807693][ T7704] __sys_sendmsg+0xcd/0x170 [ 1052.807693][ T7704] do_syscall_64+0xc6/0x1e0 [ 1052.807693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1052.807693][ T7704] [ 1052.809907][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1052.809907][ T7704] netdev_get_by_index+0x5e/0x80 [ 1052.809907][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1052.809907][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1052.809907][ T7704] ip6_route_add+0x1c/0x140 [ 1052.809907][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1052.809907][ T7704] addrconf_add_dev+0xe2/0x170 [ 1052.809907][ T7704] inet6_addr_add+0x12f/0xa40 [ 1052.809907][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1052.809907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1052.809907][ T7704] netlink_rcv_skb+0x130/0x360 [ 1052.809907][ T7704] netlink_unicast+0x449/0x710 [ 1052.809907][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1052.809907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1052.809907][ T7704] ___sys_sendmsg+0xee/0x170 [ 1052.809907][ T7704] __sys_sendmsg+0xcd/0x170 [ 1052.809907][ T7704] do_syscall_64+0xc6/0x1e0 [ 1052.809907][ T7704] [ 1052.812076][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1052.812076][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1052.812076][ T7704] ipv6_find_idev+0x102/0x170 [ 1052.812076][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1052.812076][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1052.812076][ T7704] netlink_rcv_skb+0x130/0x360 [ 1052.812076][ T7704] netlink_unicast+0x449/0x710 [ 1052.812076][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1052.812076][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1052.812076][ T7704] ___sys_sendmsg+0xee/0x170 [ 1052.812076][ T7704] __sys_sendmsg+0xcd/0x170 [ 1052.812076][ T7704] do_syscall_64+0xc6/0x1e0 [ 1052.812076][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1052.812076][ T7704] [ 1052.813774][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1052.813774][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1052.813774][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1052.813774][ T7704] ipv6_find_idev+0x102/0x170 [ 1052.813774][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1052.813774][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1052.813774][ T7704] netlink_rcv_skb+0x130/0x360 [ 1052.813774][ T7704] netlink_unicast+0x449/0x710 [ 1052.813774][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1052.813774][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1052.813774][ T7704] ___sys_sendmsg+0xee/0x170 [ 1052.813774][ T7704] __sys_sendmsg+0xcd/0x170 [ 1052.813774][ T7704] do_syscall_64+0xc6/0x1e0 [ 1052.813774][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1052.813774][ T7704] [ 1063.052851][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1063.053336][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1063.053336][ T7704] netdev_get_by_index+0x5e/0x80 [ 1063.053336][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1063.053336][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1063.053336][ T7704] ip6_route_add+0x1c/0x140 [ 1063.053336][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1063.053336][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1063.053336][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1063.053336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.053336][ T7704] netlink_rcv_skb+0x130/0x360 [ 1063.053336][ T7704] netlink_unicast+0x449/0x710 [ 1063.053336][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1063.053336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1063.053336][ T7704] ___sys_sendmsg+0xee/0x170 [ 1063.053336][ T7704] __sys_sendmsg+0xcd/0x170 [ 1063.053336][ T7704] do_syscall_64+0xc6/0x1e0 [ 1063.053336][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.053336][ T7704] [ 1063.055617][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1063.055617][ T7704] netdev_get_by_index+0x5e/0x80 [ 1063.055617][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1063.055617][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1063.055617][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1063.055617][ T7704] ipv6_add_addr+0x411/0x2000 [ 1063.055617][ T7704] inet6_addr_add+0x30e/0xa40 [ 1063.055617][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1063.055617][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.055617][ T7704] netlink_rcv_skb+0x130/0x360 [ 1063.055617][ T7704] netlink_unicast+0x449/0x710 [ 1063.055617][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1063.055617][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1063.055617][ T7704] ___sys_sendmsg+0xee/0x170 [ 1063.055617][ T7704] __sys_sendmsg+0xcd/0x170 [ 1063.055617][ T7704] do_syscall_64+0xc6/0x1e0 [ 1063.055617][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.055617][ T7704] [ 1063.057839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1063.057839][ T7704] netdev_get_by_index+0x5e/0x80 [ 1063.057839][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1063.057839][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1063.057839][ T7704] ip6_route_add+0x1c/0x140 [ 1063.057839][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1063.057839][ T7704] addrconf_add_dev+0xe2/0x170 [ 1063.057839][ T7704] inet6_addr_add+0x12f/0xa40 [ 1063.057839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1063.057839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.057839][ T7704] netlink_rcv_skb+0x130/0x360 [ 1063.057839][ T7704] netlink_unicast+0x449/0x710 [ 1063.057839][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1063.057839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1063.057839][ T7704] ___sys_sendmsg+0xee/0x170 [ 1063.057839][ T7704] __sys_sendmsg+0xcd/0x170 [ 1063.057839][ T7704] do_syscall_64+0xc6/0x1e0 [ 1063.057839][ T7704] [ 1063.060023][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1063.060023][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1063.060023][ T7704] ipv6_find_idev+0x102/0x170 [ 1063.060023][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.060023][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.060023][ T7704] netlink_rcv_skb+0x130/0x360 [ 1063.060023][ T7704] netlink_unicast+0x449/0x710 [ 1063.060023][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1063.060023][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1063.060023][ T7704] ___sys_sendmsg+0xee/0x170 [ 1063.060023][ T7704] __sys_sendmsg+0xcd/0x170 [ 1063.060023][ T7704] do_syscall_64+0xc6/0x1e0 [ 1063.060023][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.060023][ T7704] [ 1063.061738][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1063.061738][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1063.061738][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1063.061738][ T7704] ipv6_find_idev+0x102/0x170 [ 1063.061738][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.061738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.061738][ T7704] netlink_rcv_skb+0x130/0x360 [ 1063.061738][ T7704] netlink_unicast+0x449/0x710 [ 1063.061738][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1063.061738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1063.061738][ T7704] ___sys_sendmsg+0xee/0x170 [ 1063.061738][ T7704] __sys_sendmsg+0xcd/0x170 [ 1063.061738][ T7704] do_syscall_64+0xc6/0x1e0 [ 1063.061738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.061738][ T7704] [ 1073.116799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1073.117399][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1073.117399][ T7704] netdev_get_by_index+0x5e/0x80 [ 1073.117399][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1073.117399][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1073.117399][ T7704] ip6_route_add+0x1c/0x140 [ 1073.117399][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1073.117399][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1073.117399][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1073.117399][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.117399][ T7704] netlink_rcv_skb+0x130/0x360 [ 1073.117399][ T7704] netlink_unicast+0x449/0x710 [ 1073.117399][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1073.117399][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1073.117399][ T7704] ___sys_sendmsg+0xee/0x170 [ 1073.117399][ T7704] __sys_sendmsg+0xcd/0x170 [ 1073.117399][ T7704] do_syscall_64+0xc6/0x1e0 [ 1073.117399][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.117399][ T7704] [ 1073.119666][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1073.119666][ T7704] netdev_get_by_index+0x5e/0x80 [ 1073.119666][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1073.119666][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1073.119666][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1073.119666][ T7704] ipv6_add_addr+0x411/0x2000 [ 1073.119666][ T7704] inet6_addr_add+0x30e/0xa40 [ 1073.119666][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1073.119666][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.119666][ T7704] netlink_rcv_skb+0x130/0x360 [ 1073.119666][ T7704] netlink_unicast+0x449/0x710 [ 1073.119666][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1073.119666][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1073.119666][ T7704] ___sys_sendmsg+0xee/0x170 [ 1073.119666][ T7704] __sys_sendmsg+0xcd/0x170 [ 1073.119666][ T7704] do_syscall_64+0xc6/0x1e0 [ 1073.119666][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.119666][ T7704] [ 1073.121912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1073.121912][ T7704] netdev_get_by_index+0x5e/0x80 [ 1073.121912][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1073.121912][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1073.121912][ T7704] ip6_route_add+0x1c/0x140 [ 1073.121912][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1073.121912][ T7704] addrconf_add_dev+0xe2/0x170 [ 1073.121912][ T7704] inet6_addr_add+0x12f/0xa40 [ 1073.121912][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1073.121912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.121912][ T7704] netlink_rcv_skb+0x130/0x360 [ 1073.121912][ T7704] netlink_unicast+0x449/0x710 [ 1073.121912][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1073.121912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1073.121912][ T7704] ___sys_sendmsg+0xee/0x170 [ 1073.121912][ T7704] __sys_sendmsg+0xcd/0x170 [ 1073.121912][ T7704] do_syscall_64+0xc6/0x1e0 [ 1073.121912][ T7704] [ 1073.124120][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1073.124120][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1073.124120][ T7704] ipv6_find_idev+0x102/0x170 [ 1073.124120][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.124120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.124120][ T7704] netlink_rcv_skb+0x130/0x360 [ 1073.124120][ T7704] netlink_unicast+0x449/0x710 [ 1073.124120][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1073.124120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1073.124120][ T7704] ___sys_sendmsg+0xee/0x170 [ 1073.124120][ T7704] __sys_sendmsg+0xcd/0x170 [ 1073.124120][ T7704] do_syscall_64+0xc6/0x1e0 [ 1073.124120][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.124120][ T7704] [ 1073.125844][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1073.125844][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1073.125844][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1073.125844][ T7704] ipv6_find_idev+0x102/0x170 [ 1073.125844][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.125844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.125844][ T7704] netlink_rcv_skb+0x130/0x360 [ 1073.125844][ T7704] netlink_unicast+0x449/0x710 [ 1073.125844][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1073.125844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1073.125844][ T7704] ___sys_sendmsg+0xee/0x170 [ 1073.125844][ T7704] __sys_sendmsg+0xcd/0x170 [ 1073.125844][ T7704] do_syscall_64+0xc6/0x1e0 [ 1073.125844][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.125844][ T7704] [ 1083.260850][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1083.261308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1083.261308][ T7704] netdev_get_by_index+0x5e/0x80 [ 1083.261308][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1083.261308][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1083.261308][ T7704] ip6_route_add+0x1c/0x140 [ 1083.261308][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1083.261308][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1083.261308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1083.261308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.261308][ T7704] netlink_rcv_skb+0x130/0x360 [ 1083.261308][ T7704] netlink_unicast+0x449/0x710 [ 1083.261308][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1083.261308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1083.261308][ T7704] ___sys_sendmsg+0xee/0x170 [ 1083.261308][ T7704] __sys_sendmsg+0xcd/0x170 [ 1083.261308][ T7704] do_syscall_64+0xc6/0x1e0 [ 1083.261308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.261308][ T7704] [ 1083.263569][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1083.263569][ T7704] netdev_get_by_index+0x5e/0x80 [ 1083.263569][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1083.263569][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1083.263569][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1083.263569][ T7704] ipv6_add_addr+0x411/0x2000 [ 1083.263569][ T7704] inet6_addr_add+0x30e/0xa40 [ 1083.263569][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1083.263569][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.263569][ T7704] netlink_rcv_skb+0x130/0x360 [ 1083.263569][ T7704] netlink_unicast+0x449/0x710 [ 1083.263569][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1083.263569][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1083.263569][ T7704] ___sys_sendmsg+0xee/0x170 [ 1083.263569][ T7704] __sys_sendmsg+0xcd/0x170 [ 1083.263569][ T7704] do_syscall_64+0xc6/0x1e0 [ 1083.263569][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.263569][ T7704] [ 1083.265864][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1083.265864][ T7704] netdev_get_by_index+0x5e/0x80 [ 1083.265864][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1083.265864][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1083.265864][ T7704] ip6_route_add+0x1c/0x140 [ 1083.265864][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1083.265864][ T7704] addrconf_add_dev+0xe2/0x170 [ 1083.265864][ T7704] inet6_addr_add+0x12f/0xa40 [ 1083.265864][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1083.265864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.265864][ T7704] netlink_rcv_skb+0x130/0x360 [ 1083.265864][ T7704] netlink_unicast+0x449/0x710 [ 1083.265864][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1083.265864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1083.265864][ T7704] ___sys_sendmsg+0xee/0x170 [ 1083.265864][ T7704] __sys_sendmsg+0xcd/0x170 [ 1083.265864][ T7704] do_syscall_64+0xc6/0x1e0 [ 1083.265864][ T7704] [ 1083.268186][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1083.268186][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1083.268186][ T7704] ipv6_find_idev+0x102/0x170 [ 1083.268186][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.268186][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.268186][ T7704] netlink_rcv_skb+0x130/0x360 [ 1083.268186][ T7704] netlink_unicast+0x449/0x710 [ 1083.268186][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1083.268186][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1083.268186][ T7704] ___sys_sendmsg+0xee/0x170 [ 1083.268186][ T7704] __sys_sendmsg+0xcd/0x170 [ 1083.268186][ T7704] do_syscall_64+0xc6/0x1e0 [ 1083.268186][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.268186][ T7704] [ 1083.270004][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1083.270004][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1083.270004][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1083.270004][ T7704] ipv6_find_idev+0x102/0x170 [ 1083.270004][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.270004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.270004][ T7704] netlink_rcv_skb+0x130/0x360 [ 1083.270004][ T7704] netlink_unicast+0x449/0x710 [ 1083.270004][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1083.270004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1083.270004][ T7704] ___sys_sendmsg+0xee/0x170 [ 1083.270004][ T7704] __sys_sendmsg+0xcd/0x170 [ 1083.270004][ T7704] do_syscall_64+0xc6/0x1e0 [ 1083.270004][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.270004][ T7704] [ 1093.348747][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1093.349262][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1093.349262][ T7704] netdev_get_by_index+0x5e/0x80 [ 1093.349262][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1093.349262][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1093.349262][ T7704] ip6_route_add+0x1c/0x140 [ 1093.349262][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1093.349262][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1093.349262][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1093.349262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1093.349262][ T7704] netlink_rcv_skb+0x130/0x360 [ 1093.349262][ T7704] netlink_unicast+0x449/0x710 [ 1093.349262][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1093.349262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1093.349262][ T7704] ___sys_sendmsg+0xee/0x170 [ 1093.349262][ T7704] __sys_sendmsg+0xcd/0x170 [ 1093.349262][ T7704] do_syscall_64+0xc6/0x1e0 [ 1093.349262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1093.349262][ T7704] [ 1093.351532][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1093.351532][ T7704] netdev_get_by_index+0x5e/0x80 [ 1093.351532][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1093.351532][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1093.351532][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1093.351532][ T7704] ipv6_add_addr+0x411/0x2000 [ 1093.351532][ T7704] inet6_addr_add+0x30e/0xa40 [ 1093.351532][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1093.351532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1093.351532][ T7704] netlink_rcv_skb+0x130/0x360 [ 1093.351532][ T7704] netlink_unicast+0x449/0x710 [ 1093.351532][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1093.351532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1093.351532][ T7704] ___sys_sendmsg+0xee/0x170 [ 1093.351532][ T7704] __sys_sendmsg+0xcd/0x170 [ 1093.351532][ T7704] do_syscall_64+0xc6/0x1e0 [ 1093.351532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1093.351532][ T7704] [ 1093.353803][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1093.353803][ T7704] netdev_get_by_index+0x5e/0x80 [ 1093.353803][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1093.353803][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1093.353803][ T7704] ip6_route_add+0x1c/0x140 [ 1093.353803][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1093.353803][ T7704] addrconf_add_dev+0xe2/0x170 [ 1093.353803][ T7704] inet6_addr_add+0x12f/0xa40 [ 1093.353803][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1093.353803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1093.353803][ T7704] netlink_rcv_skb+0x130/0x360 [ 1093.353803][ T7704] netlink_unicast+0x449/0x710 [ 1093.353803][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1093.353803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1093.353803][ T7704] ___sys_sendmsg+0xee/0x170 [ 1093.353803][ T7704] __sys_sendmsg+0xcd/0x170 [ 1093.353803][ T7704] do_syscall_64+0xc6/0x1e0 [ 1093.353803][ T7704] [ 1093.356021][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1093.356021][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1093.356021][ T7704] ipv6_find_idev+0x102/0x170 [ 1093.356021][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1093.356021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1093.356021][ T7704] netlink_rcv_skb+0x130/0x360 [ 1093.356021][ T7704] netlink_unicast+0x449/0x710 [ 1093.356021][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1093.356021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1093.356021][ T7704] ___sys_sendmsg+0xee/0x170 [ 1093.356021][ T7704] __sys_sendmsg+0xcd/0x170 [ 1093.356021][ T7704] do_syscall_64+0xc6/0x1e0 [ 1093.356021][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1093.356021][ T7704] [ 1093.357776][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1093.357776][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1093.357776][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1093.357776][ T7704] ipv6_find_idev+0x102/0x170 [ 1093.357776][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1093.357776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1093.357776][ T7704] netlink_rcv_skb+0x130/0x360 [ 1093.357776][ T7704] netlink_unicast+0x449/0x710 [ 1093.357776][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1093.357776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1093.357776][ T7704] ___sys_sendmsg+0xee/0x170 [ 1093.357776][ T7704] __sys_sendmsg+0xcd/0x170 [ 1093.357776][ T7704] do_syscall_64+0xc6/0x1e0 [ 1093.357776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1093.357776][ T7704] [ 1103.596776][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1103.597222][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1103.597222][ T7704] netdev_get_by_index+0x5e/0x80 [ 1103.597222][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1103.597222][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1103.597222][ T7704] ip6_route_add+0x1c/0x140 [ 1103.597222][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1103.597222][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1103.597222][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1103.597222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1103.597222][ T7704] netlink_rcv_skb+0x130/0x360 [ 1103.597222][ T7704] netlink_unicast+0x449/0x710 [ 1103.597222][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1103.597222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1103.597222][ T7704] ___sys_sendmsg+0xee/0x170 [ 1103.597222][ T7704] __sys_sendmsg+0xcd/0x170 [ 1103.597222][ T7704] do_syscall_64+0xc6/0x1e0 [ 1103.597222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1103.597222][ T7704] [ 1103.599510][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1103.599510][ T7704] netdev_get_by_index+0x5e/0x80 [ 1103.599510][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1103.599510][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1103.599510][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1103.599510][ T7704] ipv6_add_addr+0x411/0x2000 [ 1103.599510][ T7704] inet6_addr_add+0x30e/0xa40 [ 1103.599510][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1103.599510][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1103.599510][ T7704] netlink_rcv_skb+0x130/0x360 [ 1103.599510][ T7704] netlink_unicast+0x449/0x710 [ 1103.599510][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1103.599510][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1103.599510][ T7704] ___sys_sendmsg+0xee/0x170 [ 1103.599510][ T7704] __sys_sendmsg+0xcd/0x170 [ 1103.599510][ T7704] do_syscall_64+0xc6/0x1e0 [ 1103.599510][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1103.599510][ T7704] [ 1103.601741][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1103.601741][ T7704] netdev_get_by_index+0x5e/0x80 [ 1103.601741][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1103.601741][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1103.601741][ T7704] ip6_route_add+0x1c/0x140 [ 1103.601741][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1103.601741][ T7704] addrconf_add_dev+0xe2/0x170 [ 1103.601741][ T7704] inet6_addr_add+0x12f/0xa40 [ 1103.601741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1103.601741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1103.601741][ T7704] netlink_rcv_skb+0x130/0x360 [ 1103.601741][ T7704] netlink_unicast+0x449/0x710 [ 1103.601741][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1103.601741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1103.601741][ T7704] ___sys_sendmsg+0xee/0x170 [ 1103.601741][ T7704] __sys_sendmsg+0xcd/0x170 [ 1103.601741][ T7704] do_syscall_64+0xc6/0x1e0 [ 1103.601741][ T7704] [ 1103.603940][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1103.603940][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1103.603940][ T7704] ipv6_find_idev+0x102/0x170 [ 1103.603940][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1103.603940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1103.603940][ T7704] netlink_rcv_skb+0x130/0x360 [ 1103.603940][ T7704] netlink_unicast+0x449/0x710 [ 1103.603940][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1103.603940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1103.603940][ T7704] ___sys_sendmsg+0xee/0x170 [ 1103.603940][ T7704] __sys_sendmsg+0xcd/0x170 [ 1103.603940][ T7704] do_syscall_64+0xc6/0x1e0 [ 1103.603940][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1103.603940][ T7704] [ 1103.605668][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1103.605668][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1103.605668][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1103.605668][ T7704] ipv6_find_idev+0x102/0x170 [ 1103.605668][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1103.605668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1103.605668][ T7704] netlink_rcv_skb+0x130/0x360 [ 1103.605668][ T7704] netlink_unicast+0x449/0x710 [ 1103.605668][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1103.605668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1103.605668][ T7704] ___sys_sendmsg+0xee/0x170 [ 1103.605668][ T7704] __sys_sendmsg+0xcd/0x170 [ 1103.605668][ T7704] do_syscall_64+0xc6/0x1e0 [ 1103.605668][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1103.605668][ T7704] [ 1113.844805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1113.845254][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1113.845254][ T7704] netdev_get_by_index+0x5e/0x80 [ 1113.845254][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1113.845254][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1113.845254][ T7704] ip6_route_add+0x1c/0x140 [ 1113.845254][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1113.845254][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1113.845254][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1113.845254][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1113.845254][ T7704] netlink_rcv_skb+0x130/0x360 [ 1113.845254][ T7704] netlink_unicast+0x449/0x710 [ 1113.845254][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1113.845254][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1113.845254][ T7704] ___sys_sendmsg+0xee/0x170 [ 1113.845254][ T7704] __sys_sendmsg+0xcd/0x170 [ 1113.845254][ T7704] do_syscall_64+0xc6/0x1e0 [ 1113.845254][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1113.845254][ T7704] [ 1113.847560][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1113.847560][ T7704] netdev_get_by_index+0x5e/0x80 [ 1113.847560][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1113.847560][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1113.847560][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1113.847560][ T7704] ipv6_add_addr+0x411/0x2000 [ 1113.847560][ T7704] inet6_addr_add+0x30e/0xa40 [ 1113.847560][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1113.847560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1113.847560][ T7704] netlink_rcv_skb+0x130/0x360 [ 1113.847560][ T7704] netlink_unicast+0x449/0x710 [ 1113.847560][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1113.847560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1113.847560][ T7704] ___sys_sendmsg+0xee/0x170 [ 1113.847560][ T7704] __sys_sendmsg+0xcd/0x170 [ 1113.847560][ T7704] do_syscall_64+0xc6/0x1e0 [ 1113.847560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1113.847560][ T7704] [ 1113.849797][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1113.849797][ T7704] netdev_get_by_index+0x5e/0x80 [ 1113.849797][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1113.849797][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1113.849797][ T7704] ip6_route_add+0x1c/0x140 [ 1113.849797][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1113.849797][ T7704] addrconf_add_dev+0xe2/0x170 [ 1113.849797][ T7704] inet6_addr_add+0x12f/0xa40 [ 1113.849797][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1113.849797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1113.849797][ T7704] netlink_rcv_skb+0x130/0x360 [ 1113.849797][ T7704] netlink_unicast+0x449/0x710 [ 1113.849797][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1113.849797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1113.849797][ T7704] ___sys_sendmsg+0xee/0x170 [ 1113.849797][ T7704] __sys_sendmsg+0xcd/0x170 [ 1113.849797][ T7704] do_syscall_64+0xc6/0x1e0 [ 1113.849797][ T7704] [ 1113.851989][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1113.851989][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1113.851989][ T7704] ipv6_find_idev+0x102/0x170 [ 1113.851989][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1113.851989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1113.851989][ T7704] netlink_rcv_skb+0x130/0x360 [ 1113.851989][ T7704] netlink_unicast+0x449/0x710 [ 1113.851989][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1113.851989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1113.851989][ T7704] ___sys_sendmsg+0xee/0x170 [ 1113.851989][ T7704] __sys_sendmsg+0xcd/0x170 [ 1113.851989][ T7704] do_syscall_64+0xc6/0x1e0 [ 1113.851989][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1113.851989][ T7704] [ 1113.853706][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1113.853706][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1113.853706][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1113.853706][ T7704] ipv6_find_idev+0x102/0x170 [ 1113.853706][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1113.853706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1113.853706][ T7704] netlink_rcv_skb+0x130/0x360 [ 1113.853706][ T7704] netlink_unicast+0x449/0x710 [ 1113.853706][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1113.853706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1113.853706][ T7704] ___sys_sendmsg+0xee/0x170 [ 1113.853706][ T7704] __sys_sendmsg+0xcd/0x170 [ 1113.853706][ T7704] do_syscall_64+0xc6/0x1e0 [ 1113.853706][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1113.853706][ T7704] [ 1124.092820][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1124.093326][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1124.093326][ T7704] netdev_get_by_index+0x5e/0x80 [ 1124.093326][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1124.093326][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1124.093326][ T7704] ip6_route_add+0x1c/0x140 [ 1124.093326][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1124.093326][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1124.093326][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1124.093326][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.093326][ T7704] netlink_rcv_skb+0x130/0x360 [ 1124.093326][ T7704] netlink_unicast+0x449/0x710 [ 1124.093326][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1124.093326][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1124.093326][ T7704] ___sys_sendmsg+0xee/0x170 [ 1124.093326][ T7704] __sys_sendmsg+0xcd/0x170 [ 1124.093326][ T7704] do_syscall_64+0xc6/0x1e0 [ 1124.093326][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.093326][ T7704] [ 1124.095628][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1124.095628][ T7704] netdev_get_by_index+0x5e/0x80 [ 1124.095628][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1124.095628][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1124.095628][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1124.095628][ T7704] ipv6_add_addr+0x411/0x2000 [ 1124.095628][ T7704] inet6_addr_add+0x30e/0xa40 [ 1124.095628][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1124.095628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.095628][ T7704] netlink_rcv_skb+0x130/0x360 [ 1124.095628][ T7704] netlink_unicast+0x449/0x710 [ 1124.095628][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1124.095628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1124.095628][ T7704] ___sys_sendmsg+0xee/0x170 [ 1124.095628][ T7704] __sys_sendmsg+0xcd/0x170 [ 1124.095628][ T7704] do_syscall_64+0xc6/0x1e0 [ 1124.095628][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.095628][ T7704] [ 1124.097899][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1124.097899][ T7704] netdev_get_by_index+0x5e/0x80 [ 1124.097899][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1124.097899][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1124.097899][ T7704] ip6_route_add+0x1c/0x140 [ 1124.097899][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1124.097899][ T7704] addrconf_add_dev+0xe2/0x170 [ 1124.097899][ T7704] inet6_addr_add+0x12f/0xa40 [ 1124.097899][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1124.097899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.097899][ T7704] netlink_rcv_skb+0x130/0x360 [ 1124.097899][ T7704] netlink_unicast+0x449/0x710 [ 1124.097899][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1124.097899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1124.097899][ T7704] ___sys_sendmsg+0xee/0x170 [ 1124.097899][ T7704] __sys_sendmsg+0xcd/0x170 [ 1124.097899][ T7704] do_syscall_64+0xc6/0x1e0 [ 1124.097899][ T7704] [ 1124.100141][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1124.100141][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1124.100141][ T7704] ipv6_find_idev+0x102/0x170 [ 1124.100141][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.100141][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.100141][ T7704] netlink_rcv_skb+0x130/0x360 [ 1124.100141][ T7704] netlink_unicast+0x449/0x710 [ 1124.100141][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1124.100141][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1124.100141][ T7704] ___sys_sendmsg+0xee/0x170 [ 1124.100141][ T7704] __sys_sendmsg+0xcd/0x170 [ 1124.100141][ T7704] do_syscall_64+0xc6/0x1e0 [ 1124.100141][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.100141][ T7704] [ 1124.101869][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1124.101869][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1124.101869][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1124.101869][ T7704] ipv6_find_idev+0x102/0x170 [ 1124.101869][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1124.101869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.101869][ T7704] netlink_rcv_skb+0x130/0x360 [ 1124.101869][ T7704] netlink_unicast+0x449/0x710 [ 1124.101869][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1124.101869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1124.101869][ T7704] ___sys_sendmsg+0xee/0x170 [ 1124.101869][ T7704] __sys_sendmsg+0xcd/0x170 [ 1124.101869][ T7704] do_syscall_64+0xc6/0x1e0 [ 1124.101869][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.101869][ T7704] [ 1134.164804][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1134.165296][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1134.165296][ T7704] netdev_get_by_index+0x5e/0x80 [ 1134.165296][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1134.165296][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1134.165296][ T7704] ip6_route_add+0x1c/0x140 [ 1134.165296][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1134.165296][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1134.165296][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1134.165296][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1134.165296][ T7704] netlink_rcv_skb+0x130/0x360 [ 1134.165296][ T7704] netlink_unicast+0x449/0x710 [ 1134.165296][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1134.165296][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1134.165296][ T7704] ___sys_sendmsg+0xee/0x170 [ 1134.165296][ T7704] __sys_sendmsg+0xcd/0x170 [ 1134.165296][ T7704] do_syscall_64+0xc6/0x1e0 [ 1134.165296][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1134.165296][ T7704] [ 1134.168287][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1134.168287][ T7704] netdev_get_by_index+0x5e/0x80 [ 1134.168287][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1134.168287][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1134.168287][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1134.168287][ T7704] ipv6_add_addr+0x411/0x2000 [ 1134.168287][ T7704] inet6_addr_add+0x30e/0xa40 [ 1134.168287][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1134.168287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1134.168287][ T7704] netlink_rcv_skb+0x130/0x360 [ 1134.168287][ T7704] netlink_unicast+0x449/0x710 [ 1134.168287][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1134.168287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1134.168287][ T7704] ___sys_sendmsg+0xee/0x170 [ 1134.168287][ T7704] __sys_sendmsg+0xcd/0x170 [ 1134.168287][ T7704] do_syscall_64+0xc6/0x1e0 [ 1134.168287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1134.168287][ T7704] [ 1134.171790][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1134.171790][ T7704] netdev_get_by_index+0x5e/0x80 [ 1134.171790][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1134.171790][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1134.171790][ T7704] ip6_route_add+0x1c/0x140 [ 1134.171790][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1134.171790][ T7704] addrconf_add_dev+0xe2/0x170 [ 1134.171790][ T7704] inet6_addr_add+0x12f/0xa40 [ 1134.171790][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1134.171790][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1134.171790][ T7704] netlink_rcv_skb+0x130/0x360 [ 1134.171790][ T7704] netlink_unicast+0x449/0x710 [ 1134.171790][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1134.171790][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1134.171790][ T7704] ___sys_sendmsg+0xee/0x170 [ 1134.171790][ T7704] __sys_sendmsg+0xcd/0x170 [ 1134.171790][ T7704] do_syscall_64+0xc6/0x1e0 [ 1134.171790][ T7704] [ 1134.175293][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1134.175293][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1134.175293][ T7704] ipv6_find_idev+0x102/0x170 [ 1134.175293][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1134.175293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1134.175293][ T7704] netlink_rcv_skb+0x130/0x360 [ 1134.175293][ T7704] netlink_unicast+0x449/0x710 [ 1134.175293][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1134.175293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1134.175293][ T7704] ___sys_sendmsg+0xee/0x170 [ 1134.175293][ T7704] __sys_sendmsg+0xcd/0x170 [ 1134.175293][ T7704] do_syscall_64+0xc6/0x1e0 [ 1134.175293][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1134.175293][ T7704] [ 1134.178032][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1134.178032][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1134.178032][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1134.178032][ T7704] ipv6_find_idev+0x102/0x170 [ 1134.178032][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1134.178032][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1134.178032][ T7704] netlink_rcv_skb+0x130/0x360 [ 1134.178032][ T7704] netlink_unicast+0x449/0x710 [ 1134.178032][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1134.178032][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1134.178032][ T7704] ___sys_sendmsg+0xee/0x170 [ 1134.178032][ T7704] __sys_sendmsg+0xcd/0x170 [ 1134.178032][ T7704] do_syscall_64+0xc6/0x1e0 [ 1134.178032][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1134.178032][ T7704] [ 1144.212812][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1144.213329][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1144.213329][ T7704] netdev_get_by_index+0x5e/0x80 [ 1144.213329][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1144.213329][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1144.213329][ T7704] ip6_route_add+0x1c/0x140 [ 1144.213329][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1144.213329][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1144.213329][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1144.213329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1144.213329][ T7704] netlink_rcv_skb+0x130/0x360 [ 1144.213329][ T7704] netlink_unicast+0x449/0x710 [ 1144.213329][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1144.213329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1144.213329][ T7704] ___sys_sendmsg+0xee/0x170 [ 1144.213329][ T7704] __sys_sendmsg+0xcd/0x170 [ 1144.213329][ T7704] do_syscall_64+0xc6/0x1e0 [ 1144.213329][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1144.213329][ T7704] [ 1144.215603][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1144.215603][ T7704] netdev_get_by_index+0x5e/0x80 [ 1144.215603][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1144.215603][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1144.215603][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1144.215603][ T7704] ipv6_add_addr+0x411/0x2000 [ 1144.215603][ T7704] inet6_addr_add+0x30e/0xa40 [ 1144.215603][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1144.215603][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1144.215603][ T7704] netlink_rcv_skb+0x130/0x360 [ 1144.215603][ T7704] netlink_unicast+0x449/0x710 [ 1144.215603][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1144.215603][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1144.215603][ T7704] ___sys_sendmsg+0xee/0x170 [ 1144.215603][ T7704] __sys_sendmsg+0xcd/0x170 [ 1144.215603][ T7704] do_syscall_64+0xc6/0x1e0 [ 1144.215603][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1144.215603][ T7704] [ 1144.217822][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1144.217822][ T7704] netdev_get_by_index+0x5e/0x80 [ 1144.217822][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1144.217822][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1144.217822][ T7704] ip6_route_add+0x1c/0x140 [ 1144.217822][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1144.217822][ T7704] addrconf_add_dev+0xe2/0x170 [ 1144.217822][ T7704] inet6_addr_add+0x12f/0xa40 [ 1144.217822][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1144.217822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1144.217822][ T7704] netlink_rcv_skb+0x130/0x360 [ 1144.217822][ T7704] netlink_unicast+0x449/0x710 [ 1144.217822][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1144.217822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1144.217822][ T7704] ___sys_sendmsg+0xee/0x170 [ 1144.217822][ T7704] __sys_sendmsg+0xcd/0x170 [ 1144.217822][ T7704] do_syscall_64+0xc6/0x1e0 [ 1144.217822][ T7704] [ 1144.220004][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1144.220004][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1144.220004][ T7704] ipv6_find_idev+0x102/0x170 [ 1144.220004][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1144.220004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1144.220004][ T7704] netlink_rcv_skb+0x130/0x360 [ 1144.220004][ T7704] netlink_unicast+0x449/0x710 [ 1144.220004][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1144.220004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1144.220004][ T7704] ___sys_sendmsg+0xee/0x170 [ 1144.220004][ T7704] __sys_sendmsg+0xcd/0x170 [ 1144.220004][ T7704] do_syscall_64+0xc6/0x1e0 [ 1144.220004][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1144.220004][ T7704] [ 1144.221705][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1144.221705][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1144.221705][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1144.221705][ T7704] ipv6_find_idev+0x102/0x170 [ 1144.221705][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1144.221705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1144.221705][ T7704] netlink_rcv_skb+0x130/0x360 [ 1144.221705][ T7704] netlink_unicast+0x449/0x710 [ 1144.221705][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1144.221705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1144.221705][ T7704] ___sys_sendmsg+0xee/0x170 [ 1144.221705][ T7704] __sys_sendmsg+0xcd/0x170 [ 1144.221705][ T7704] do_syscall_64+0xc6/0x1e0 [ 1144.221705][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1144.221705][ T7704] [ 1154.460795][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1154.461307][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1154.461307][ T7704] netdev_get_by_index+0x5e/0x80 [ 1154.461307][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1154.461307][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1154.461307][ T7704] ip6_route_add+0x1c/0x140 [ 1154.461307][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1154.461307][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1154.461307][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1154.461307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1154.461307][ T7704] netlink_rcv_skb+0x130/0x360 [ 1154.461307][ T7704] netlink_unicast+0x449/0x710 [ 1154.461307][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1154.461307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1154.461307][ T7704] ___sys_sendmsg+0xee/0x170 [ 1154.461307][ T7704] __sys_sendmsg+0xcd/0x170 [ 1154.461307][ T7704] do_syscall_64+0xc6/0x1e0 [ 1154.461307][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1154.461307][ T7704] [ 1154.463623][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1154.463623][ T7704] netdev_get_by_index+0x5e/0x80 [ 1154.463623][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1154.463623][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1154.463623][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1154.463623][ T7704] ipv6_add_addr+0x411/0x2000 [ 1154.463623][ T7704] inet6_addr_add+0x30e/0xa40 [ 1154.463623][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1154.463623][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1154.463623][ T7704] netlink_rcv_skb+0x130/0x360 [ 1154.463623][ T7704] netlink_unicast+0x449/0x710 [ 1154.463623][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1154.463623][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1154.463623][ T7704] ___sys_sendmsg+0xee/0x170 [ 1154.463623][ T7704] __sys_sendmsg+0xcd/0x170 [ 1154.463623][ T7704] do_syscall_64+0xc6/0x1e0 [ 1154.463623][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1154.463623][ T7704] [ 1154.465891][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1154.465891][ T7704] netdev_get_by_index+0x5e/0x80 [ 1154.465891][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1154.465891][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1154.465891][ T7704] ip6_route_add+0x1c/0x140 [ 1154.465891][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1154.465891][ T7704] addrconf_add_dev+0xe2/0x170 [ 1154.465891][ T7704] inet6_addr_add+0x12f/0xa40 [ 1154.465891][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1154.465891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1154.465891][ T7704] netlink_rcv_skb+0x130/0x360 [ 1154.465891][ T7704] netlink_unicast+0x449/0x710 [ 1154.465891][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1154.465891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1154.465891][ T7704] ___sys_sendmsg+0xee/0x170 [ 1154.465891][ T7704] __sys_sendmsg+0xcd/0x170 [ 1154.465891][ T7704] do_syscall_64+0xc6/0x1e0 [ 1154.465891][ T7704] [ 1154.468126][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1154.468126][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1154.468126][ T7704] ipv6_find_idev+0x102/0x170 [ 1154.468126][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1154.468126][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1154.468126][ T7704] netlink_rcv_skb+0x130/0x360 [ 1154.468126][ T7704] netlink_unicast+0x449/0x710 [ 1154.468126][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1154.468126][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1154.468126][ T7704] ___sys_sendmsg+0xee/0x170 [ 1154.468126][ T7704] __sys_sendmsg+0xcd/0x170 [ 1154.468126][ T7704] do_syscall_64+0xc6/0x1e0 [ 1154.468126][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1154.468126][ T7704] [ 1154.469882][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1154.469882][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1154.469882][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1154.469882][ T7704] ipv6_find_idev+0x102/0x170 [ 1154.469882][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1154.469882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1154.469882][ T7704] netlink_rcv_skb+0x130/0x360 [ 1154.469882][ T7704] netlink_unicast+0x449/0x710 [ 1154.469882][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1154.469882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1154.469882][ T7704] ___sys_sendmsg+0xee/0x170 [ 1154.469882][ T7704] __sys_sendmsg+0xcd/0x170 [ 1154.469882][ T7704] do_syscall_64+0xc6/0x1e0 [ 1154.469882][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1154.469882][ T7704] [ 1164.708832][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1164.709290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1164.709290][ T7704] netdev_get_by_index+0x5e/0x80 [ 1164.709290][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1164.709290][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1164.709290][ T7704] ip6_route_add+0x1c/0x140 [ 1164.709290][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1164.709290][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1164.709290][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1164.709290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1164.709290][ T7704] netlink_rcv_skb+0x130/0x360 [ 1164.709290][ T7704] netlink_unicast+0x449/0x710 [ 1164.709290][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1164.709290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1164.709290][ T7704] ___sys_sendmsg+0xee/0x170 [ 1164.709290][ T7704] __sys_sendmsg+0xcd/0x170 [ 1164.709290][ T7704] do_syscall_64+0xc6/0x1e0 [ 1164.709290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1164.709290][ T7704] [ 1164.711535][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1164.711535][ T7704] netdev_get_by_index+0x5e/0x80 [ 1164.711535][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1164.711535][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1164.711535][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1164.711535][ T7704] ipv6_add_addr+0x411/0x2000 [ 1164.711535][ T7704] inet6_addr_add+0x30e/0xa40 [ 1164.711535][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1164.711535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1164.711535][ T7704] netlink_rcv_skb+0x130/0x360 [ 1164.711535][ T7704] netlink_unicast+0x449/0x710 [ 1164.711535][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1164.711535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1164.711535][ T7704] ___sys_sendmsg+0xee/0x170 [ 1164.711535][ T7704] __sys_sendmsg+0xcd/0x170 [ 1164.711535][ T7704] do_syscall_64+0xc6/0x1e0 [ 1164.711535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1164.711535][ T7704] [ 1164.713766][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1164.713766][ T7704] netdev_get_by_index+0x5e/0x80 [ 1164.713766][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1164.713766][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1164.713766][ T7704] ip6_route_add+0x1c/0x140 [ 1164.713766][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1164.713766][ T7704] addrconf_add_dev+0xe2/0x170 [ 1164.713766][ T7704] inet6_addr_add+0x12f/0xa40 [ 1164.713766][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1164.713766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1164.713766][ T7704] netlink_rcv_skb+0x130/0x360 [ 1164.713766][ T7704] netlink_unicast+0x449/0x710 [ 1164.713766][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1164.713766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1164.713766][ T7704] ___sys_sendmsg+0xee/0x170 [ 1164.713766][ T7704] __sys_sendmsg+0xcd/0x170 [ 1164.713766][ T7704] do_syscall_64+0xc6/0x1e0 [ 1164.713766][ T7704] [ 1164.715973][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1164.715973][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1164.715973][ T7704] ipv6_find_idev+0x102/0x170 [ 1164.715973][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1164.715973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1164.715973][ T7704] netlink_rcv_skb+0x130/0x360 [ 1164.715973][ T7704] netlink_unicast+0x449/0x710 [ 1164.715973][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1164.715973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1164.715973][ T7704] ___sys_sendmsg+0xee/0x170 [ 1164.715973][ T7704] __sys_sendmsg+0xcd/0x170 [ 1164.715973][ T7704] do_syscall_64+0xc6/0x1e0 [ 1164.715973][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1164.715973][ T7704] [ 1164.717696][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1164.717696][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1164.717696][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1164.717696][ T7704] ipv6_find_idev+0x102/0x170 [ 1164.717696][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1164.717696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1164.717696][ T7704] netlink_rcv_skb+0x130/0x360 [ 1164.717696][ T7704] netlink_unicast+0x449/0x710 [ 1164.717696][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1164.717696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1164.717696][ T7704] ___sys_sendmsg+0xee/0x170 [ 1164.717696][ T7704] __sys_sendmsg+0xcd/0x170 [ 1164.717696][ T7704] do_syscall_64+0xc6/0x1e0 [ 1164.717696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1164.717696][ T7704] [ 1174.956775][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1174.957292][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1174.957292][ T7704] netdev_get_by_index+0x5e/0x80 [ 1174.957292][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1174.957292][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1174.957292][ T7704] ip6_route_add+0x1c/0x140 [ 1174.957292][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1174.957292][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1174.957292][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1174.957292][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1174.957292][ T7704] netlink_rcv_skb+0x130/0x360 [ 1174.957292][ T7704] netlink_unicast+0x449/0x710 [ 1174.957292][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1174.957292][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1174.957292][ T7704] ___sys_sendmsg+0xee/0x170 [ 1174.957292][ T7704] __sys_sendmsg+0xcd/0x170 [ 1174.957292][ T7704] do_syscall_64+0xc6/0x1e0 [ 1174.957292][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1174.957292][ T7704] [ 1174.959593][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1174.959593][ T7704] netdev_get_by_index+0x5e/0x80 [ 1174.959593][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1174.959593][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1174.959593][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1174.959593][ T7704] ipv6_add_addr+0x411/0x2000 [ 1174.959593][ T7704] inet6_addr_add+0x30e/0xa40 [ 1174.959593][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1174.959593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1174.959593][ T7704] netlink_rcv_skb+0x130/0x360 [ 1174.959593][ T7704] netlink_unicast+0x449/0x710 [ 1174.959593][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1174.959593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1174.959593][ T7704] ___sys_sendmsg+0xee/0x170 [ 1174.959593][ T7704] __sys_sendmsg+0xcd/0x170 [ 1174.959593][ T7704] do_syscall_64+0xc6/0x1e0 [ 1174.959593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1174.959593][ T7704] [ 1174.961860][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1174.961860][ T7704] netdev_get_by_index+0x5e/0x80 [ 1174.961860][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1174.961860][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1174.961860][ T7704] ip6_route_add+0x1c/0x140 [ 1174.961860][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1174.961860][ T7704] addrconf_add_dev+0xe2/0x170 [ 1174.961860][ T7704] inet6_addr_add+0x12f/0xa40 [ 1174.961860][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1174.961860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1174.961860][ T7704] netlink_rcv_skb+0x130/0x360 [ 1174.961860][ T7704] netlink_unicast+0x449/0x710 [ 1174.961860][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1174.961860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1174.961860][ T7704] ___sys_sendmsg+0xee/0x170 [ 1174.961860][ T7704] __sys_sendmsg+0xcd/0x170 [ 1174.961860][ T7704] do_syscall_64+0xc6/0x1e0 [ 1174.961860][ T7704] [ 1174.964094][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1174.964094][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1174.964094][ T7704] ipv6_find_idev+0x102/0x170 [ 1174.964094][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1174.964094][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1174.964094][ T7704] netlink_rcv_skb+0x130/0x360 [ 1174.964094][ T7704] netlink_unicast+0x449/0x710 [ 1174.964094][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1174.964094][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1174.964094][ T7704] ___sys_sendmsg+0xee/0x170 [ 1174.964094][ T7704] __sys_sendmsg+0xcd/0x170 [ 1174.964094][ T7704] do_syscall_64+0xc6/0x1e0 [ 1174.964094][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1174.964094][ T7704] [ 1174.965973][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1174.965973][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1174.965973][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1174.965973][ T7704] ipv6_find_idev+0x102/0x170 [ 1174.965973][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1174.965973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1174.965973][ T7704] netlink_rcv_skb+0x130/0x360 [ 1174.965973][ T7704] netlink_unicast+0x449/0x710 [ 1174.965973][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1174.965973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1174.965973][ T7704] ___sys_sendmsg+0xee/0x170 [ 1174.965973][ T7704] __sys_sendmsg+0xcd/0x170 [ 1174.965973][ T7704] do_syscall_64+0xc6/0x1e0 [ 1174.965973][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1174.965973][ T7704] [ 1185.212803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1185.213250][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1185.213250][ T7704] netdev_get_by_index+0x5e/0x80 [ 1185.213250][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1185.213250][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1185.213250][ T7704] ip6_route_add+0x1c/0x140 [ 1185.213250][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1185.213250][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1185.213250][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1185.213250][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.213250][ T7704] netlink_rcv_skb+0x130/0x360 [ 1185.213250][ T7704] netlink_unicast+0x449/0x710 [ 1185.213250][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1185.213250][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1185.213250][ T7704] ___sys_sendmsg+0xee/0x170 [ 1185.213250][ T7704] __sys_sendmsg+0xcd/0x170 [ 1185.213250][ T7704] do_syscall_64+0xc6/0x1e0 [ 1185.213250][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.213250][ T7704] [ 1185.215506][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1185.215506][ T7704] netdev_get_by_index+0x5e/0x80 [ 1185.215506][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1185.215506][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1185.215506][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1185.215506][ T7704] ipv6_add_addr+0x411/0x2000 [ 1185.215506][ T7704] inet6_addr_add+0x30e/0xa40 [ 1185.215506][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1185.215506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.215506][ T7704] netlink_rcv_skb+0x130/0x360 [ 1185.215506][ T7704] netlink_unicast+0x449/0x710 [ 1185.215506][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1185.215506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1185.215506][ T7704] ___sys_sendmsg+0xee/0x170 [ 1185.215506][ T7704] __sys_sendmsg+0xcd/0x170 [ 1185.215506][ T7704] do_syscall_64+0xc6/0x1e0 [ 1185.215506][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.215506][ T7704] [ 1185.217747][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1185.217747][ T7704] netdev_get_by_index+0x5e/0x80 [ 1185.217747][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1185.217747][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1185.217747][ T7704] ip6_route_add+0x1c/0x140 [ 1185.217747][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1185.217747][ T7704] addrconf_add_dev+0xe2/0x170 [ 1185.217747][ T7704] inet6_addr_add+0x12f/0xa40 [ 1185.217747][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1185.217747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.217747][ T7704] netlink_rcv_skb+0x130/0x360 [ 1185.217747][ T7704] netlink_unicast+0x449/0x710 [ 1185.217747][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1185.217747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1185.217747][ T7704] ___sys_sendmsg+0xee/0x170 [ 1185.217747][ T7704] __sys_sendmsg+0xcd/0x170 [ 1185.217747][ T7704] do_syscall_64+0xc6/0x1e0 [ 1185.217747][ T7704] [ 1185.219944][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1185.219944][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1185.219944][ T7704] ipv6_find_idev+0x102/0x170 [ 1185.219944][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1185.219944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.219944][ T7704] netlink_rcv_skb+0x130/0x360 [ 1185.219944][ T7704] netlink_unicast+0x449/0x710 [ 1185.219944][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1185.219944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1185.219944][ T7704] ___sys_sendmsg+0xee/0x170 [ 1185.219944][ T7704] __sys_sendmsg+0xcd/0x170 [ 1185.219944][ T7704] do_syscall_64+0xc6/0x1e0 [ 1185.219944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.219944][ T7704] [ 1185.221659][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1185.221659][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1185.221659][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1185.221659][ T7704] ipv6_find_idev+0x102/0x170 [ 1185.221659][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1185.221659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1185.221659][ T7704] netlink_rcv_skb+0x130/0x360 [ 1185.221659][ T7704] netlink_unicast+0x449/0x710 [ 1185.221659][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1185.221659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1185.221659][ T7704] ___sys_sendmsg+0xee/0x170 [ 1185.221659][ T7704] __sys_sendmsg+0xcd/0x170 [ 1185.221659][ T7704] do_syscall_64+0xc6/0x1e0 [ 1185.221659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1185.221659][ T7704] [ 1195.460768][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1195.461337][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1195.461337][ T7704] netdev_get_by_index+0x5e/0x80 [ 1195.461337][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1195.461337][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1195.461337][ T7704] ip6_route_add+0x1c/0x140 [ 1195.461337][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1195.461337][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1195.461337][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1195.461337][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1195.461337][ T7704] netlink_rcv_skb+0x130/0x360 [ 1195.461337][ T7704] netlink_unicast+0x449/0x710 [ 1195.461337][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1195.461337][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1195.461337][ T7704] ___sys_sendmsg+0xee/0x170 [ 1195.461337][ T7704] __sys_sendmsg+0xcd/0x170 [ 1195.461337][ T7704] do_syscall_64+0xc6/0x1e0 [ 1195.461337][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1195.461337][ T7704] [ 1195.463674][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1195.463674][ T7704] netdev_get_by_index+0x5e/0x80 [ 1195.463674][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1195.463674][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1195.463674][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1195.463674][ T7704] ipv6_add_addr+0x411/0x2000 [ 1195.463674][ T7704] inet6_addr_add+0x30e/0xa40 [ 1195.463674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1195.463674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1195.463674][ T7704] netlink_rcv_skb+0x130/0x360 [ 1195.463674][ T7704] netlink_unicast+0x449/0x710 [ 1195.463674][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1195.463674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1195.463674][ T7704] ___sys_sendmsg+0xee/0x170 [ 1195.463674][ T7704] __sys_sendmsg+0xcd/0x170 [ 1195.463674][ T7704] do_syscall_64+0xc6/0x1e0 [ 1195.463674][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1195.463674][ T7704] [ 1195.465922][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1195.465922][ T7704] netdev_get_by_index+0x5e/0x80 [ 1195.465922][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1195.465922][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1195.465922][ T7704] ip6_route_add+0x1c/0x140 [ 1195.465922][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1195.465922][ T7704] addrconf_add_dev+0xe2/0x170 [ 1195.465922][ T7704] inet6_addr_add+0x12f/0xa40 [ 1195.465922][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1195.465922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1195.465922][ T7704] netlink_rcv_skb+0x130/0x360 [ 1195.465922][ T7704] netlink_unicast+0x449/0x710 [ 1195.465922][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1195.465922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1195.465922][ T7704] ___sys_sendmsg+0xee/0x170 [ 1195.465922][ T7704] __sys_sendmsg+0xcd/0x170 [ 1195.465922][ T7704] do_syscall_64+0xc6/0x1e0 [ 1195.465922][ T7704] [ 1195.468137][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1195.468137][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1195.468137][ T7704] ipv6_find_idev+0x102/0x170 [ 1195.468137][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1195.468137][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1195.468137][ T7704] netlink_rcv_skb+0x130/0x360 [ 1195.468137][ T7704] netlink_unicast+0x449/0x710 [ 1195.468137][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1195.468137][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1195.468137][ T7704] ___sys_sendmsg+0xee/0x170 [ 1195.468137][ T7704] __sys_sendmsg+0xcd/0x170 [ 1195.468137][ T7704] do_syscall_64+0xc6/0x1e0 [ 1195.468137][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1195.468137][ T7704] [ 1195.469873][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1195.469873][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1195.469873][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1195.469873][ T7704] ipv6_find_idev+0x102/0x170 [ 1195.469873][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1195.469873][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1195.469873][ T7704] netlink_rcv_skb+0x130/0x360 [ 1195.469873][ T7704] netlink_unicast+0x449/0x710 [ 1195.469873][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1195.469873][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1195.469873][ T7704] ___sys_sendmsg+0xee/0x170 [ 1195.469873][ T7704] __sys_sendmsg+0xcd/0x170 [ 1195.469873][ T7704] do_syscall_64+0xc6/0x1e0 [ 1195.469873][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1195.469873][ T7704] [ 1205.708800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1205.709243][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1205.709243][ T7704] netdev_get_by_index+0x5e/0x80 [ 1205.709243][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1205.709243][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1205.709243][ T7704] ip6_route_add+0x1c/0x140 [ 1205.709243][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1205.709243][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1205.709243][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1205.709243][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1205.709243][ T7704] netlink_rcv_skb+0x130/0x360 [ 1205.709243][ T7704] netlink_unicast+0x449/0x710 [ 1205.709243][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1205.709243][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1205.709243][ T7704] ___sys_sendmsg+0xee/0x170 [ 1205.709243][ T7704] __sys_sendmsg+0xcd/0x170 [ 1205.709243][ T7704] do_syscall_64+0xc6/0x1e0 [ 1205.709243][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1205.709243][ T7704] [ 1205.711639][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1205.711639][ T7704] netdev_get_by_index+0x5e/0x80 [ 1205.711639][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1205.711639][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1205.711639][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1205.711639][ T7704] ipv6_add_addr+0x411/0x2000 [ 1205.711639][ T7704] inet6_addr_add+0x30e/0xa40 [ 1205.711639][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1205.711639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1205.711639][ T7704] netlink_rcv_skb+0x130/0x360 [ 1205.711639][ T7704] netlink_unicast+0x449/0x710 [ 1205.711639][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1205.711639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1205.711639][ T7704] ___sys_sendmsg+0xee/0x170 [ 1205.711639][ T7704] __sys_sendmsg+0xcd/0x170 [ 1205.711639][ T7704] do_syscall_64+0xc6/0x1e0 [ 1205.711639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1205.711639][ T7704] [ 1205.713978][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1205.713978][ T7704] netdev_get_by_index+0x5e/0x80 [ 1205.713978][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1205.713978][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1205.713978][ T7704] ip6_route_add+0x1c/0x140 [ 1205.713978][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1205.713978][ T7704] addrconf_add_dev+0xe2/0x170 [ 1205.713978][ T7704] inet6_addr_add+0x12f/0xa40 [ 1205.713978][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1205.713978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1205.713978][ T7704] netlink_rcv_skb+0x130/0x360 [ 1205.713978][ T7704] netlink_unicast+0x449/0x710 [ 1205.713978][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1205.713978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1205.713978][ T7704] ___sys_sendmsg+0xee/0x170 [ 1205.713978][ T7704] __sys_sendmsg+0xcd/0x170 [ 1205.713978][ T7704] do_syscall_64+0xc6/0x1e0 [ 1205.713978][ T7704] [ 1205.716214][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1205.716214][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1205.716214][ T7704] ipv6_find_idev+0x102/0x170 [ 1205.716214][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1205.716214][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1205.716214][ T7704] netlink_rcv_skb+0x130/0x360 [ 1205.716214][ T7704] netlink_unicast+0x449/0x710 [ 1205.716214][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1205.716214][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1205.716214][ T7704] ___sys_sendmsg+0xee/0x170 [ 1205.716214][ T7704] __sys_sendmsg+0xcd/0x170 [ 1205.716214][ T7704] do_syscall_64+0xc6/0x1e0 [ 1205.716214][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1205.716214][ T7704] [ 1205.717935][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1205.717935][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1205.717935][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1205.717935][ T7704] ipv6_find_idev+0x102/0x170 [ 1205.717935][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1205.717935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1205.717935][ T7704] netlink_rcv_skb+0x130/0x360 [ 1205.717935][ T7704] netlink_unicast+0x449/0x710 [ 1205.717935][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1205.717935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1205.717935][ T7704] ___sys_sendmsg+0xee/0x170 [ 1205.717935][ T7704] __sys_sendmsg+0xcd/0x170 [ 1205.717935][ T7704] do_syscall_64+0xc6/0x1e0 [ 1205.717935][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1205.717935][ T7704] [ 1216.332896][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1216.333338][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1216.333338][ T7704] netdev_get_by_index+0x5e/0x80 [ 1216.333338][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1216.333338][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1216.333338][ T7704] ip6_route_add+0x1c/0x140 [ 1216.333338][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1216.333338][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1216.333338][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.333338][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.333338][ T7704] netlink_rcv_skb+0x130/0x360 [ 1216.333338][ T7704] netlink_unicast+0x449/0x710 [ 1216.333338][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1216.333338][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1216.333338][ T7704] ___sys_sendmsg+0xee/0x170 [ 1216.333338][ T7704] __sys_sendmsg+0xcd/0x170 [ 1216.333338][ T7704] do_syscall_64+0xc6/0x1e0 [ 1216.333338][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.333338][ T7704] [ 1216.335745][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1216.335745][ T7704] netdev_get_by_index+0x5e/0x80 [ 1216.335745][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1216.335745][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1216.335745][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1216.335745][ T7704] ipv6_add_addr+0x411/0x2000 [ 1216.335745][ T7704] inet6_addr_add+0x30e/0xa40 [ 1216.335745][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.335745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.335745][ T7704] netlink_rcv_skb+0x130/0x360 [ 1216.335745][ T7704] netlink_unicast+0x449/0x710 [ 1216.335745][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1216.335745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1216.335745][ T7704] ___sys_sendmsg+0xee/0x170 [ 1216.335745][ T7704] __sys_sendmsg+0xcd/0x170 [ 1216.335745][ T7704] do_syscall_64+0xc6/0x1e0 [ 1216.335745][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.335745][ T7704] [ 1216.338127][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1216.338127][ T7704] netdev_get_by_index+0x5e/0x80 [ 1216.338127][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1216.338127][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1216.338127][ T7704] ip6_route_add+0x1c/0x140 [ 1216.338127][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1216.338127][ T7704] addrconf_add_dev+0xe2/0x170 [ 1216.338127][ T7704] inet6_addr_add+0x12f/0xa40 [ 1216.338127][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.338127][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.338127][ T7704] netlink_rcv_skb+0x130/0x360 [ 1216.338127][ T7704] netlink_unicast+0x449/0x710 [ 1216.338127][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1216.338127][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1216.338127][ T7704] ___sys_sendmsg+0xee/0x170 [ 1216.338127][ T7704] __sys_sendmsg+0xcd/0x170 [ 1216.338127][ T7704] do_syscall_64+0xc6/0x1e0 [ 1216.338127][ T7704] [ 1216.340401][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1216.340401][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1216.340401][ T7704] ipv6_find_idev+0x102/0x170 [ 1216.340401][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.340401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.340401][ T7704] netlink_rcv_skb+0x130/0x360 [ 1216.340401][ T7704] netlink_unicast+0x449/0x710 [ 1216.340401][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1216.340401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1216.340401][ T7704] ___sys_sendmsg+0xee/0x170 [ 1216.340401][ T7704] __sys_sendmsg+0xcd/0x170 [ 1216.340401][ T7704] do_syscall_64+0xc6/0x1e0 [ 1216.340401][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.340401][ T7704] [ 1216.342134][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1216.342134][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1216.342134][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1216.342134][ T7704] ipv6_find_idev+0x102/0x170 [ 1216.342134][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.342134][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.342134][ T7704] netlink_rcv_skb+0x130/0x360 [ 1216.342134][ T7704] netlink_unicast+0x449/0x710 [ 1216.342134][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1216.342134][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1216.342134][ T7704] ___sys_sendmsg+0xee/0x170 [ 1216.342134][ T7704] __sys_sendmsg+0xcd/0x170 [ 1216.342134][ T7704] do_syscall_64+0xc6/0x1e0 [ 1216.342134][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.342134][ T7704] [ 1226.580817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1226.581270][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1226.581270][ T7704] netdev_get_by_index+0x5e/0x80 [ 1226.581270][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1226.581270][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1226.581270][ T7704] ip6_route_add+0x1c/0x140 [ 1226.581270][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1226.581270][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1226.581270][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1226.581270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.581270][ T7704] netlink_rcv_skb+0x130/0x360 [ 1226.581270][ T7704] netlink_unicast+0x449/0x710 [ 1226.581270][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1226.581270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1226.581270][ T7704] ___sys_sendmsg+0xee/0x170 [ 1226.581270][ T7704] __sys_sendmsg+0xcd/0x170 [ 1226.581270][ T7704] do_syscall_64+0xc6/0x1e0 [ 1226.581270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.581270][ T7704] [ 1226.583630][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1226.583630][ T7704] netdev_get_by_index+0x5e/0x80 [ 1226.583630][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1226.583630][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1226.583630][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1226.583630][ T7704] ipv6_add_addr+0x411/0x2000 [ 1226.583630][ T7704] inet6_addr_add+0x30e/0xa40 [ 1226.583630][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1226.583630][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.583630][ T7704] netlink_rcv_skb+0x130/0x360 [ 1226.583630][ T7704] netlink_unicast+0x449/0x710 [ 1226.583630][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1226.583630][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1226.583630][ T7704] ___sys_sendmsg+0xee/0x170 [ 1226.583630][ T7704] __sys_sendmsg+0xcd/0x170 [ 1226.583630][ T7704] do_syscall_64+0xc6/0x1e0 [ 1226.583630][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.583630][ T7704] [ 1226.585962][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1226.585962][ T7704] netdev_get_by_index+0x5e/0x80 [ 1226.585962][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1226.585962][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1226.585962][ T7704] ip6_route_add+0x1c/0x140 [ 1226.585962][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1226.585962][ T7704] addrconf_add_dev+0xe2/0x170 [ 1226.585962][ T7704] inet6_addr_add+0x12f/0xa40 [ 1226.585962][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1226.585962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.585962][ T7704] netlink_rcv_skb+0x130/0x360 [ 1226.585962][ T7704] netlink_unicast+0x449/0x710 [ 1226.585962][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1226.585962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1226.585962][ T7704] ___sys_sendmsg+0xee/0x170 [ 1226.585962][ T7704] __sys_sendmsg+0xcd/0x170 [ 1226.585962][ T7704] do_syscall_64+0xc6/0x1e0 [ 1226.585962][ T7704] [ 1226.588222][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1226.588222][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1226.588222][ T7704] ipv6_find_idev+0x102/0x170 [ 1226.588222][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1226.588222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.588222][ T7704] netlink_rcv_skb+0x130/0x360 [ 1226.588222][ T7704] netlink_unicast+0x449/0x710 [ 1226.588222][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1226.588222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1226.588222][ T7704] ___sys_sendmsg+0xee/0x170 [ 1226.588222][ T7704] __sys_sendmsg+0xcd/0x170 [ 1226.588222][ T7704] do_syscall_64+0xc6/0x1e0 [ 1226.588222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.588222][ T7704] [ 1226.590033][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1226.590033][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1226.590033][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1226.590033][ T7704] ipv6_find_idev+0x102/0x170 [ 1226.590033][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1226.590033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.590033][ T7704] netlink_rcv_skb+0x130/0x360 [ 1226.590033][ T7704] netlink_unicast+0x449/0x710 [ 1226.590033][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1226.590033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1226.590033][ T7704] ___sys_sendmsg+0xee/0x170 [ 1226.590033][ T7704] __sys_sendmsg+0xcd/0x170 [ 1226.590033][ T7704] do_syscall_64+0xc6/0x1e0 [ 1226.590033][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.590033][ T7704] [ 1236.604785][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1236.605245][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1236.605245][ T7704] netdev_get_by_index+0x5e/0x80 [ 1236.605245][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1236.605245][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1236.605245][ T7704] ip6_route_add+0x1c/0x140 [ 1236.605245][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1236.605245][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1236.605245][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1236.605245][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1236.605245][ T7704] netlink_rcv_skb+0x130/0x360 [ 1236.605245][ T7704] netlink_unicast+0x449/0x710 [ 1236.605245][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1236.605245][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1236.605245][ T7704] ___sys_sendmsg+0xee/0x170 [ 1236.605245][ T7704] __sys_sendmsg+0xcd/0x170 [ 1236.605245][ T7704] do_syscall_64+0xc6/0x1e0 [ 1236.605245][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1236.605245][ T7704] [ 1236.607607][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1236.607607][ T7704] netdev_get_by_index+0x5e/0x80 [ 1236.607607][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1236.607607][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1236.607607][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1236.607607][ T7704] ipv6_add_addr+0x411/0x2000 [ 1236.607607][ T7704] inet6_addr_add+0x30e/0xa40 [ 1236.607607][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1236.607607][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1236.607607][ T7704] netlink_rcv_skb+0x130/0x360 [ 1236.607607][ T7704] netlink_unicast+0x449/0x710 [ 1236.607607][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1236.607607][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1236.607607][ T7704] ___sys_sendmsg+0xee/0x170 [ 1236.607607][ T7704] __sys_sendmsg+0xcd/0x170 [ 1236.607607][ T7704] do_syscall_64+0xc6/0x1e0 [ 1236.607607][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1236.607607][ T7704] [ 1236.609981][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1236.609981][ T7704] netdev_get_by_index+0x5e/0x80 [ 1236.609981][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1236.609981][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1236.609981][ T7704] ip6_route_add+0x1c/0x140 [ 1236.609981][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1236.609981][ T7704] addrconf_add_dev+0xe2/0x170 [ 1236.609981][ T7704] inet6_addr_add+0x12f/0xa40 [ 1236.609981][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1236.609981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1236.609981][ T7704] netlink_rcv_skb+0x130/0x360 [ 1236.609981][ T7704] netlink_unicast+0x449/0x710 [ 1236.609981][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1236.609981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1236.609981][ T7704] ___sys_sendmsg+0xee/0x170 [ 1236.609981][ T7704] __sys_sendmsg+0xcd/0x170 [ 1236.609981][ T7704] do_syscall_64+0xc6/0x1e0 [ 1236.609981][ T7704] [ 1236.612298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1236.612298][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1236.612298][ T7704] ipv6_find_idev+0x102/0x170 [ 1236.612298][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1236.612298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1236.612298][ T7704] netlink_rcv_skb+0x130/0x360 [ 1236.612298][ T7704] netlink_unicast+0x449/0x710 [ 1236.612298][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1236.612298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1236.612298][ T7704] ___sys_sendmsg+0xee/0x170 [ 1236.612298][ T7704] __sys_sendmsg+0xcd/0x170 [ 1236.612298][ T7704] do_syscall_64+0xc6/0x1e0 [ 1236.612298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1236.612298][ T7704] [ 1236.614107][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1236.614107][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1236.614107][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1236.614107][ T7704] ipv6_find_idev+0x102/0x170 [ 1236.614107][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1236.614107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1236.614107][ T7704] netlink_rcv_skb+0x130/0x360 [ 1236.614107][ T7704] netlink_unicast+0x449/0x710 [ 1236.614107][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1236.614107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1236.614107][ T7704] ___sys_sendmsg+0xee/0x170 [ 1236.614107][ T7704] __sys_sendmsg+0xcd/0x170 [ 1236.614107][ T7704] do_syscall_64+0xc6/0x1e0 [ 1236.614107][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1236.614107][ T7704] [ 1246.852855][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1246.853301][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1246.853301][ T7704] netdev_get_by_index+0x5e/0x80 [ 1246.853301][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1246.853301][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1246.853301][ T7704] ip6_route_add+0x1c/0x140 [ 1246.853301][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1246.853301][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1246.853301][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1246.853301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1246.853301][ T7704] netlink_rcv_skb+0x130/0x360 [ 1246.853301][ T7704] netlink_unicast+0x449/0x710 [ 1246.853301][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1246.853301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1246.853301][ T7704] ___sys_sendmsg+0xee/0x170 [ 1246.853301][ T7704] __sys_sendmsg+0xcd/0x170 [ 1246.853301][ T7704] do_syscall_64+0xc6/0x1e0 [ 1246.853301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1246.853301][ T7704] [ 1246.855654][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1246.855654][ T7704] netdev_get_by_index+0x5e/0x80 [ 1246.855654][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1246.855654][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1246.855654][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1246.855654][ T7704] ipv6_add_addr+0x411/0x2000 [ 1246.855654][ T7704] inet6_addr_add+0x30e/0xa40 [ 1246.855654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1246.855654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1246.855654][ T7704] netlink_rcv_skb+0x130/0x360 [ 1246.855654][ T7704] netlink_unicast+0x449/0x710 [ 1246.855654][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1246.855654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1246.855654][ T7704] ___sys_sendmsg+0xee/0x170 [ 1246.855654][ T7704] __sys_sendmsg+0xcd/0x170 [ 1246.855654][ T7704] do_syscall_64+0xc6/0x1e0 [ 1246.855654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1246.855654][ T7704] [ 1246.857909][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1246.857909][ T7704] netdev_get_by_index+0x5e/0x80 [ 1246.857909][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1246.857909][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1246.857909][ T7704] ip6_route_add+0x1c/0x140 [ 1246.857909][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1246.857909][ T7704] addrconf_add_dev+0xe2/0x170 [ 1246.857909][ T7704] inet6_addr_add+0x12f/0xa40 [ 1246.857909][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1246.857909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1246.857909][ T7704] netlink_rcv_skb+0x130/0x360 [ 1246.857909][ T7704] netlink_unicast+0x449/0x710 [ 1246.857909][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1246.857909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1246.857909][ T7704] ___sys_sendmsg+0xee/0x170 [ 1246.857909][ T7704] __sys_sendmsg+0xcd/0x170 [ 1246.857909][ T7704] do_syscall_64+0xc6/0x1e0 [ 1246.857909][ T7704] [ 1246.860150][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1246.860150][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1246.860150][ T7704] ipv6_find_idev+0x102/0x170 [ 1246.860150][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1246.860150][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1246.860150][ T7704] netlink_rcv_skb+0x130/0x360 [ 1246.860150][ T7704] netlink_unicast+0x449/0x710 [ 1246.860150][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1246.860150][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1246.860150][ T7704] ___sys_sendmsg+0xee/0x170 [ 1246.860150][ T7704] __sys_sendmsg+0xcd/0x170 [ 1246.860150][ T7704] do_syscall_64+0xc6/0x1e0 [ 1246.860150][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1246.860150][ T7704] [ 1246.861889][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1246.861889][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1246.861889][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1246.861889][ T7704] ipv6_find_idev+0x102/0x170 [ 1246.861889][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1246.861889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1246.861889][ T7704] netlink_rcv_skb+0x130/0x360 [ 1246.861889][ T7704] netlink_unicast+0x449/0x710 [ 1246.861889][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1246.861889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1246.861889][ T7704] ___sys_sendmsg+0xee/0x170 [ 1246.861889][ T7704] __sys_sendmsg+0xcd/0x170 [ 1246.861889][ T7704] do_syscall_64+0xc6/0x1e0 [ 1246.861889][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1246.861889][ T7704] [ 1256.956791][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1256.957277][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1256.957277][ T7704] netdev_get_by_index+0x5e/0x80 [ 1256.957277][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1256.957277][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1256.957277][ T7704] ip6_route_add+0x1c/0x140 [ 1256.957277][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1256.957277][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1256.957277][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1256.957277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1256.957277][ T7704] netlink_rcv_skb+0x130/0x360 [ 1256.957277][ T7704] netlink_unicast+0x449/0x710 [ 1256.957277][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1256.957277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1256.957277][ T7704] ___sys_sendmsg+0xee/0x170 [ 1256.957277][ T7704] __sys_sendmsg+0xcd/0x170 [ 1256.957277][ T7704] do_syscall_64+0xc6/0x1e0 [ 1256.957277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1256.957277][ T7704] [ 1256.959549][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1256.959549][ T7704] netdev_get_by_index+0x5e/0x80 [ 1256.959549][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1256.959549][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1256.959549][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1256.959549][ T7704] ipv6_add_addr+0x411/0x2000 [ 1256.959549][ T7704] inet6_addr_add+0x30e/0xa40 [ 1256.959549][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1256.959549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1256.959549][ T7704] netlink_rcv_skb+0x130/0x360 [ 1256.959549][ T7704] netlink_unicast+0x449/0x710 [ 1256.959549][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1256.959549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1256.959549][ T7704] ___sys_sendmsg+0xee/0x170 [ 1256.959549][ T7704] __sys_sendmsg+0xcd/0x170 [ 1256.959549][ T7704] do_syscall_64+0xc6/0x1e0 [ 1256.959549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1256.959549][ T7704] [ 1256.961787][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1256.961787][ T7704] netdev_get_by_index+0x5e/0x80 [ 1256.961787][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1256.961787][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1256.961787][ T7704] ip6_route_add+0x1c/0x140 [ 1256.961787][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1256.961787][ T7704] addrconf_add_dev+0xe2/0x170 [ 1256.961787][ T7704] inet6_addr_add+0x12f/0xa40 [ 1256.961787][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1256.961787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1256.961787][ T7704] netlink_rcv_skb+0x130/0x360 [ 1256.961787][ T7704] netlink_unicast+0x449/0x710 [ 1256.961787][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1256.961787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1256.961787][ T7704] ___sys_sendmsg+0xee/0x170 [ 1256.961787][ T7704] __sys_sendmsg+0xcd/0x170 [ 1256.961787][ T7704] do_syscall_64+0xc6/0x1e0 [ 1256.961787][ T7704] [ 1256.963972][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1256.963972][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1256.963972][ T7704] ipv6_find_idev+0x102/0x170 [ 1256.963972][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1256.963972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1256.963972][ T7704] netlink_rcv_skb+0x130/0x360 [ 1256.963972][ T7704] netlink_unicast+0x449/0x710 [ 1256.963972][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1256.963972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1256.963972][ T7704] ___sys_sendmsg+0xee/0x170 [ 1256.963972][ T7704] __sys_sendmsg+0xcd/0x170 [ 1256.963972][ T7704] do_syscall_64+0xc6/0x1e0 [ 1256.963972][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1256.963972][ T7704] [ 1256.965704][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1256.965704][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1256.965704][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1256.965704][ T7704] ipv6_find_idev+0x102/0x170 [ 1256.965704][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1256.965704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1256.965704][ T7704] netlink_rcv_skb+0x130/0x360 [ 1256.965704][ T7704] netlink_unicast+0x449/0x710 [ 1256.965704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1256.965704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1256.965704][ T7704] ___sys_sendmsg+0xee/0x170 [ 1256.965704][ T7704] __sys_sendmsg+0xcd/0x170 [ 1256.965704][ T7704] do_syscall_64+0xc6/0x1e0 [ 1256.965704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1256.965704][ T7704] [ 1267.204785][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1267.205411][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1267.205411][ T7704] netdev_get_by_index+0x5e/0x80 [ 1267.205411][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1267.205411][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1267.205411][ T7704] ip6_route_add+0x1c/0x140 [ 1267.205411][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1267.205411][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1267.205411][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.205411][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.205411][ T7704] netlink_rcv_skb+0x130/0x360 [ 1267.205411][ T7704] netlink_unicast+0x449/0x710 [ 1267.205411][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1267.205411][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1267.205411][ T7704] ___sys_sendmsg+0xee/0x170 [ 1267.205411][ T7704] __sys_sendmsg+0xcd/0x170 [ 1267.205411][ T7704] do_syscall_64+0xc6/0x1e0 [ 1267.205411][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.205411][ T7704] [ 1267.208751][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1267.208751][ T7704] netdev_get_by_index+0x5e/0x80 [ 1267.208751][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1267.208751][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1267.208751][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1267.208751][ T7704] ipv6_add_addr+0x411/0x2000 [ 1267.208751][ T7704] inet6_addr_add+0x30e/0xa40 [ 1267.208751][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.208751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.208751][ T7704] netlink_rcv_skb+0x130/0x360 [ 1267.208751][ T7704] netlink_unicast+0x449/0x710 [ 1267.208751][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1267.208751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1267.208751][ T7704] ___sys_sendmsg+0xee/0x170 [ 1267.208751][ T7704] __sys_sendmsg+0xcd/0x170 [ 1267.208751][ T7704] do_syscall_64+0xc6/0x1e0 [ 1267.208751][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.208751][ T7704] [ 1267.212304][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1267.212304][ T7704] netdev_get_by_index+0x5e/0x80 [ 1267.212304][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1267.212304][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1267.212304][ T7704] ip6_route_add+0x1c/0x140 [ 1267.212304][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1267.212304][ T7704] addrconf_add_dev+0xe2/0x170 [ 1267.212304][ T7704] inet6_addr_add+0x12f/0xa40 [ 1267.212304][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.212304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.212304][ T7704] netlink_rcv_skb+0x130/0x360 [ 1267.212304][ T7704] netlink_unicast+0x449/0x710 [ 1267.212304][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1267.212304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1267.212304][ T7704] ___sys_sendmsg+0xee/0x170 [ 1267.212304][ T7704] __sys_sendmsg+0xcd/0x170 [ 1267.212304][ T7704] do_syscall_64+0xc6/0x1e0 [ 1267.212304][ T7704] [ 1267.215793][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1267.215793][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1267.215793][ T7704] ipv6_find_idev+0x102/0x170 [ 1267.215793][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.215793][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.215793][ T7704] netlink_rcv_skb+0x130/0x360 [ 1267.215793][ T7704] netlink_unicast+0x449/0x710 [ 1267.215793][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1267.215793][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1267.215793][ T7704] ___sys_sendmsg+0xee/0x170 [ 1267.215793][ T7704] __sys_sendmsg+0xcd/0x170 [ 1267.215793][ T7704] do_syscall_64+0xc6/0x1e0 [ 1267.215793][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.215793][ T7704] [ 1267.218535][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1267.218535][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1267.218535][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1267.218535][ T7704] ipv6_find_idev+0x102/0x170 [ 1267.218535][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.218535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.218535][ T7704] netlink_rcv_skb+0x130/0x360 [ 1267.218535][ T7704] netlink_unicast+0x449/0x710 [ 1267.218535][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1267.218535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1267.218535][ T7704] ___sys_sendmsg+0xee/0x170 [ 1267.218535][ T7704] __sys_sendmsg+0xcd/0x170 [ 1267.218535][ T7704] do_syscall_64+0xc6/0x1e0 [ 1267.218535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.218535][ T7704] [ 1277.460807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1277.461391][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1277.461391][ T7704] netdev_get_by_index+0x5e/0x80 [ 1277.461391][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1277.461391][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1277.461391][ T7704] ip6_route_add+0x1c/0x140 [ 1277.461391][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1277.461391][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1277.461391][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1277.461391][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.461391][ T7704] netlink_rcv_skb+0x130/0x360 [ 1277.461391][ T7704] netlink_unicast+0x449/0x710 [ 1277.461391][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1277.461391][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1277.461391][ T7704] ___sys_sendmsg+0xee/0x170 [ 1277.461391][ T7704] __sys_sendmsg+0xcd/0x170 [ 1277.461391][ T7704] do_syscall_64+0xc6/0x1e0 [ 1277.461391][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.461391][ T7704] [ 1277.464793][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1277.464793][ T7704] netdev_get_by_index+0x5e/0x80 [ 1277.464793][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1277.464793][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1277.464793][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1277.464793][ T7704] ipv6_add_addr+0x411/0x2000 [ 1277.464793][ T7704] inet6_addr_add+0x30e/0xa40 [ 1277.464793][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1277.464793][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.464793][ T7704] netlink_rcv_skb+0x130/0x360 [ 1277.464793][ T7704] netlink_unicast+0x449/0x710 [ 1277.464793][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1277.464793][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1277.464793][ T7704] ___sys_sendmsg+0xee/0x170 [ 1277.464793][ T7704] __sys_sendmsg+0xcd/0x170 [ 1277.464793][ T7704] do_syscall_64+0xc6/0x1e0 [ 1277.464793][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.464793][ T7704] [ 1277.468274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1277.468274][ T7704] netdev_get_by_index+0x5e/0x80 [ 1277.468274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1277.468274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1277.468274][ T7704] ip6_route_add+0x1c/0x140 [ 1277.468274][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1277.468274][ T7704] addrconf_add_dev+0xe2/0x170 [ 1277.468274][ T7704] inet6_addr_add+0x12f/0xa40 [ 1277.468274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1277.468274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.468274][ T7704] netlink_rcv_skb+0x130/0x360 [ 1277.468274][ T7704] netlink_unicast+0x449/0x710 [ 1277.468274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1277.468274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1277.468274][ T7704] ___sys_sendmsg+0xee/0x170 [ 1277.468274][ T7704] __sys_sendmsg+0xcd/0x170 [ 1277.468274][ T7704] do_syscall_64+0xc6/0x1e0 [ 1277.468274][ T7704] [ 1277.471088][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1277.471088][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1277.471088][ T7704] ipv6_find_idev+0x102/0x170 [ 1277.471088][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.471088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.471088][ T7704] netlink_rcv_skb+0x130/0x360 [ 1277.471088][ T7704] netlink_unicast+0x449/0x710 [ 1277.471088][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1277.471088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1277.471088][ T7704] ___sys_sendmsg+0xee/0x170 [ 1277.471088][ T7704] __sys_sendmsg+0xcd/0x170 [ 1277.471088][ T7704] do_syscall_64+0xc6/0x1e0 [ 1277.471088][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.471088][ T7704] [ 1277.473193][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1277.473193][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1277.473193][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1277.473193][ T7704] ipv6_find_idev+0x102/0x170 [ 1277.473193][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.473193][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.473193][ T7704] netlink_rcv_skb+0x130/0x360 [ 1277.473193][ T7704] netlink_unicast+0x449/0x710 [ 1277.473193][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1277.473193][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1277.473193][ T7704] ___sys_sendmsg+0xee/0x170 [ 1277.473193][ T7704] __sys_sendmsg+0xcd/0x170 [ 1277.473193][ T7704] do_syscall_64+0xc6/0x1e0 [ 1277.473193][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.473193][ T7704] [ 1287.716808][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1287.717313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1287.717313][ T7704] netdev_get_by_index+0x5e/0x80 [ 1287.717313][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1287.717313][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1287.717313][ T7704] ip6_route_add+0x1c/0x140 [ 1287.717313][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1287.717313][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1287.717313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1287.717313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.717313][ T7704] netlink_rcv_skb+0x130/0x360 [ 1287.717313][ T7704] netlink_unicast+0x449/0x710 [ 1287.717313][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1287.717313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1287.717313][ T7704] ___sys_sendmsg+0xee/0x170 [ 1287.717313][ T7704] __sys_sendmsg+0xcd/0x170 [ 1287.717313][ T7704] do_syscall_64+0xc6/0x1e0 [ 1287.717313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1287.717313][ T7704] [ 1287.719589][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1287.719589][ T7704] netdev_get_by_index+0x5e/0x80 [ 1287.719589][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1287.719589][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1287.719589][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1287.719589][ T7704] ipv6_add_addr+0x411/0x2000 [ 1287.719589][ T7704] inet6_addr_add+0x30e/0xa40 [ 1287.719589][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1287.719589][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.719589][ T7704] netlink_rcv_skb+0x130/0x360 [ 1287.719589][ T7704] netlink_unicast+0x449/0x710 [ 1287.719589][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1287.719589][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1287.719589][ T7704] ___sys_sendmsg+0xee/0x170 [ 1287.719589][ T7704] __sys_sendmsg+0xcd/0x170 [ 1287.719589][ T7704] do_syscall_64+0xc6/0x1e0 [ 1287.719589][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1287.719589][ T7704] [ 1287.721845][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1287.721845][ T7704] netdev_get_by_index+0x5e/0x80 [ 1287.721845][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1287.721845][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1287.721845][ T7704] ip6_route_add+0x1c/0x140 [ 1287.721845][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1287.721845][ T7704] addrconf_add_dev+0xe2/0x170 [ 1287.721845][ T7704] inet6_addr_add+0x12f/0xa40 [ 1287.721845][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1287.721845][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.721845][ T7704] netlink_rcv_skb+0x130/0x360 [ 1287.721845][ T7704] netlink_unicast+0x449/0x710 [ 1287.721845][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1287.721845][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1287.721845][ T7704] ___sys_sendmsg+0xee/0x170 [ 1287.721845][ T7704] __sys_sendmsg+0xcd/0x170 [ 1287.721845][ T7704] do_syscall_64+0xc6/0x1e0 [ 1287.721845][ T7704] [ 1287.724031][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1287.724031][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1287.724031][ T7704] ipv6_find_idev+0x102/0x170 [ 1287.724031][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1287.724031][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.724031][ T7704] netlink_rcv_skb+0x130/0x360 [ 1287.724031][ T7704] netlink_unicast+0x449/0x710 [ 1287.724031][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1287.724031][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1287.724031][ T7704] ___sys_sendmsg+0xee/0x170 [ 1287.724031][ T7704] __sys_sendmsg+0xcd/0x170 [ 1287.724031][ T7704] do_syscall_64+0xc6/0x1e0 [ 1287.724031][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1287.724031][ T7704] [ 1287.725757][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1287.725757][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1287.725757][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1287.725757][ T7704] ipv6_find_idev+0x102/0x170 [ 1287.725757][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1287.725757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.725757][ T7704] netlink_rcv_skb+0x130/0x360 [ 1287.725757][ T7704] netlink_unicast+0x449/0x710 [ 1287.725757][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1287.725757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1287.725757][ T7704] ___sys_sendmsg+0xee/0x170 [ 1287.725757][ T7704] __sys_sendmsg+0xcd/0x170 [ 1287.725757][ T7704] do_syscall_64+0xc6/0x1e0 [ 1287.725757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1287.725757][ T7704] [ 1297.932849][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1297.933272][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1297.933272][ T7704] netdev_get_by_index+0x5e/0x80 [ 1297.933272][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1297.933272][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1297.933272][ T7704] ip6_route_add+0x1c/0x140 [ 1297.933272][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1297.933272][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1297.933272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1297.933272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.933272][ T7704] netlink_rcv_skb+0x130/0x360 [ 1297.933272][ T7704] netlink_unicast+0x449/0x710 [ 1297.933272][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1297.933272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1297.933272][ T7704] ___sys_sendmsg+0xee/0x170 [ 1297.933272][ T7704] __sys_sendmsg+0xcd/0x170 [ 1297.933272][ T7704] do_syscall_64+0xc6/0x1e0 [ 1297.933272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1297.933272][ T7704] [ 1297.935571][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1297.935571][ T7704] netdev_get_by_index+0x5e/0x80 [ 1297.935571][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1297.935571][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1297.935571][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1297.935571][ T7704] ipv6_add_addr+0x411/0x2000 [ 1297.935571][ T7704] inet6_addr_add+0x30e/0xa40 [ 1297.935571][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1297.935571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.935571][ T7704] netlink_rcv_skb+0x130/0x360 [ 1297.935571][ T7704] netlink_unicast+0x449/0x710 [ 1297.935571][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1297.935571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1297.935571][ T7704] ___sys_sendmsg+0xee/0x170 [ 1297.935571][ T7704] __sys_sendmsg+0xcd/0x170 [ 1297.935571][ T7704] do_syscall_64+0xc6/0x1e0 [ 1297.935571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1297.935571][ T7704] [ 1297.937838][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1297.937838][ T7704] netdev_get_by_index+0x5e/0x80 [ 1297.937838][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1297.937838][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1297.937838][ T7704] ip6_route_add+0x1c/0x140 [ 1297.937838][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1297.937838][ T7704] addrconf_add_dev+0xe2/0x170 [ 1297.937838][ T7704] inet6_addr_add+0x12f/0xa40 [ 1297.937838][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1297.937838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.937838][ T7704] netlink_rcv_skb+0x130/0x360 [ 1297.937838][ T7704] netlink_unicast+0x449/0x710 [ 1297.937838][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1297.937838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1297.937838][ T7704] ___sys_sendmsg+0xee/0x170 [ 1297.937838][ T7704] __sys_sendmsg+0xcd/0x170 [ 1297.937838][ T7704] do_syscall_64+0xc6/0x1e0 [ 1297.937838][ T7704] [ 1297.940061][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1297.940061][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1297.940061][ T7704] ipv6_find_idev+0x102/0x170 [ 1297.940061][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1297.940061][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.940061][ T7704] netlink_rcv_skb+0x130/0x360 [ 1297.940061][ T7704] netlink_unicast+0x449/0x710 [ 1297.940061][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1297.940061][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1297.940061][ T7704] ___sys_sendmsg+0xee/0x170 [ 1297.940061][ T7704] __sys_sendmsg+0xcd/0x170 [ 1297.940061][ T7704] do_syscall_64+0xc6/0x1e0 [ 1297.940061][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1297.940061][ T7704] [ 1297.941794][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1297.941794][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1297.941794][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1297.941794][ T7704] ipv6_find_idev+0x102/0x170 [ 1297.941794][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1297.941794][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.941794][ T7704] netlink_rcv_skb+0x130/0x360 [ 1297.941794][ T7704] netlink_unicast+0x449/0x710 [ 1297.941794][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1297.941794][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1297.941794][ T7704] ___sys_sendmsg+0xee/0x170 [ 1297.941794][ T7704] __sys_sendmsg+0xcd/0x170 [ 1297.941794][ T7704] do_syscall_64+0xc6/0x1e0 [ 1297.941794][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1297.941794][ T7704] [ 1308.196828][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1308.197282][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1308.197282][ T7704] netdev_get_by_index+0x5e/0x80 [ 1308.197282][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1308.197282][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1308.197282][ T7704] ip6_route_add+0x1c/0x140 [ 1308.197282][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1308.197282][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1308.197282][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.197282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.197282][ T7704] netlink_rcv_skb+0x130/0x360 [ 1308.197282][ T7704] netlink_unicast+0x449/0x710 [ 1308.197282][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1308.197282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1308.197282][ T7704] ___sys_sendmsg+0xee/0x170 [ 1308.197282][ T7704] __sys_sendmsg+0xcd/0x170 [ 1308.197282][ T7704] do_syscall_64+0xc6/0x1e0 [ 1308.197282][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.197282][ T7704] [ 1308.199549][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1308.199549][ T7704] netdev_get_by_index+0x5e/0x80 [ 1308.199549][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1308.199549][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1308.199549][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1308.199549][ T7704] ipv6_add_addr+0x411/0x2000 [ 1308.199549][ T7704] inet6_addr_add+0x30e/0xa40 [ 1308.199549][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.199549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.199549][ T7704] netlink_rcv_skb+0x130/0x360 [ 1308.199549][ T7704] netlink_unicast+0x449/0x710 [ 1308.199549][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1308.199549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1308.199549][ T7704] ___sys_sendmsg+0xee/0x170 [ 1308.199549][ T7704] __sys_sendmsg+0xcd/0x170 [ 1308.199549][ T7704] do_syscall_64+0xc6/0x1e0 [ 1308.199549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.199549][ T7704] [ 1308.201791][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1308.201791][ T7704] netdev_get_by_index+0x5e/0x80 [ 1308.201791][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1308.201791][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1308.201791][ T7704] ip6_route_add+0x1c/0x140 [ 1308.201791][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1308.201791][ T7704] addrconf_add_dev+0xe2/0x170 [ 1308.201791][ T7704] inet6_addr_add+0x12f/0xa40 [ 1308.201791][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.201791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.201791][ T7704] netlink_rcv_skb+0x130/0x360 [ 1308.201791][ T7704] netlink_unicast+0x449/0x710 [ 1308.201791][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1308.201791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1308.201791][ T7704] ___sys_sendmsg+0xee/0x170 [ 1308.201791][ T7704] __sys_sendmsg+0xcd/0x170 [ 1308.201791][ T7704] do_syscall_64+0xc6/0x1e0 [ 1308.201791][ T7704] [ 1308.204079][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1308.204079][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1308.204079][ T7704] ipv6_find_idev+0x102/0x170 [ 1308.204079][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.204079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.204079][ T7704] netlink_rcv_skb+0x130/0x360 [ 1308.204079][ T7704] netlink_unicast+0x449/0x710 [ 1308.204079][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1308.204079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1308.204079][ T7704] ___sys_sendmsg+0xee/0x170 [ 1308.204079][ T7704] __sys_sendmsg+0xcd/0x170 [ 1308.204079][ T7704] do_syscall_64+0xc6/0x1e0 [ 1308.204079][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.204079][ T7704] [ 1308.205795][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1308.205795][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1308.205795][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1308.205795][ T7704] ipv6_find_idev+0x102/0x170 [ 1308.205795][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.205795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.205795][ T7704] netlink_rcv_skb+0x130/0x360 [ 1308.205795][ T7704] netlink_unicast+0x449/0x710 [ 1308.205795][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1308.205795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1308.205795][ T7704] ___sys_sendmsg+0xee/0x170 [ 1308.205795][ T7704] __sys_sendmsg+0xcd/0x170 [ 1308.205795][ T7704] do_syscall_64+0xc6/0x1e0 [ 1308.205795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.205795][ T7704] [ 1318.460783][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1318.461213][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1318.461213][ T7704] netdev_get_by_index+0x5e/0x80 [ 1318.461213][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1318.461213][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1318.461213][ T7704] ip6_route_add+0x1c/0x140 [ 1318.461213][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1318.461213][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1318.461213][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.461213][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.461213][ T7704] netlink_rcv_skb+0x130/0x360 [ 1318.461213][ T7704] netlink_unicast+0x449/0x710 [ 1318.461213][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1318.461213][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1318.461213][ T7704] ___sys_sendmsg+0xee/0x170 [ 1318.461213][ T7704] __sys_sendmsg+0xcd/0x170 [ 1318.461213][ T7704] do_syscall_64+0xc6/0x1e0 [ 1318.461213][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.461213][ T7704] [ 1318.463599][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1318.463599][ T7704] netdev_get_by_index+0x5e/0x80 [ 1318.463599][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1318.463599][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1318.463599][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1318.463599][ T7704] ipv6_add_addr+0x411/0x2000 [ 1318.463599][ T7704] inet6_addr_add+0x30e/0xa40 [ 1318.463599][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.463599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.463599][ T7704] netlink_rcv_skb+0x130/0x360 [ 1318.463599][ T7704] netlink_unicast+0x449/0x710 [ 1318.463599][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1318.463599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1318.463599][ T7704] ___sys_sendmsg+0xee/0x170 [ 1318.463599][ T7704] __sys_sendmsg+0xcd/0x170 [ 1318.463599][ T7704] do_syscall_64+0xc6/0x1e0 [ 1318.463599][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.463599][ T7704] [ 1318.465832][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1318.465832][ T7704] netdev_get_by_index+0x5e/0x80 [ 1318.465832][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1318.465832][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1318.465832][ T7704] ip6_route_add+0x1c/0x140 [ 1318.465832][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1318.465832][ T7704] addrconf_add_dev+0xe2/0x170 [ 1318.465832][ T7704] inet6_addr_add+0x12f/0xa40 [ 1318.465832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.465832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.465832][ T7704] netlink_rcv_skb+0x130/0x360 [ 1318.465832][ T7704] netlink_unicast+0x449/0x710 [ 1318.465832][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1318.465832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1318.465832][ T7704] ___sys_sendmsg+0xee/0x170 [ 1318.465832][ T7704] __sys_sendmsg+0xcd/0x170 [ 1318.465832][ T7704] do_syscall_64+0xc6/0x1e0 [ 1318.465832][ T7704] [ 1318.468014][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1318.468014][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1318.468014][ T7704] ipv6_find_idev+0x102/0x170 [ 1318.468014][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.468014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.468014][ T7704] netlink_rcv_skb+0x130/0x360 [ 1318.468014][ T7704] netlink_unicast+0x449/0x710 [ 1318.468014][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1318.468014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1318.468014][ T7704] ___sys_sendmsg+0xee/0x170 [ 1318.468014][ T7704] __sys_sendmsg+0xcd/0x170 [ 1318.468014][ T7704] do_syscall_64+0xc6/0x1e0 [ 1318.468014][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.468014][ T7704] [ 1318.469751][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1318.469751][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1318.469751][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1318.469751][ T7704] ipv6_find_idev+0x102/0x170 [ 1318.469751][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.469751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.469751][ T7704] netlink_rcv_skb+0x130/0x360 [ 1318.469751][ T7704] netlink_unicast+0x449/0x710 [ 1318.469751][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1318.469751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1318.469751][ T7704] ___sys_sendmsg+0xee/0x170 [ 1318.469751][ T7704] __sys_sendmsg+0xcd/0x170 [ 1318.469751][ T7704] do_syscall_64+0xc6/0x1e0 [ 1318.469751][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.469751][ T7704] [ 1328.716835][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1328.717323][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1328.717323][ T7704] netdev_get_by_index+0x5e/0x80 [ 1328.717323][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1328.717323][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1328.717323][ T7704] ip6_route_add+0x1c/0x140 [ 1328.717323][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1328.717323][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1328.717323][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1328.717323][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.717323][ T7704] netlink_rcv_skb+0x130/0x360 [ 1328.717323][ T7704] netlink_unicast+0x449/0x710 [ 1328.717323][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1328.717323][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1328.717323][ T7704] ___sys_sendmsg+0xee/0x170 [ 1328.717323][ T7704] __sys_sendmsg+0xcd/0x170 [ 1328.717323][ T7704] do_syscall_64+0xc6/0x1e0 [ 1328.717323][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1328.717323][ T7704] [ 1328.719557][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1328.719557][ T7704] netdev_get_by_index+0x5e/0x80 [ 1328.719557][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1328.719557][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1328.719557][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1328.719557][ T7704] ipv6_add_addr+0x411/0x2000 [ 1328.719557][ T7704] inet6_addr_add+0x30e/0xa40 [ 1328.719557][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1328.719557][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.719557][ T7704] netlink_rcv_skb+0x130/0x360 [ 1328.719557][ T7704] netlink_unicast+0x449/0x710 [ 1328.719557][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1328.719557][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1328.719557][ T7704] ___sys_sendmsg+0xee/0x170 [ 1328.719557][ T7704] __sys_sendmsg+0xcd/0x170 [ 1328.719557][ T7704] do_syscall_64+0xc6/0x1e0 [ 1328.719557][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1328.719557][ T7704] [ 1328.721781][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1328.721781][ T7704] netdev_get_by_index+0x5e/0x80 [ 1328.721781][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1328.721781][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1328.721781][ T7704] ip6_route_add+0x1c/0x140 [ 1328.721781][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1328.721781][ T7704] addrconf_add_dev+0xe2/0x170 [ 1328.721781][ T7704] inet6_addr_add+0x12f/0xa40 [ 1328.721781][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1328.721781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.721781][ T7704] netlink_rcv_skb+0x130/0x360 [ 1328.721781][ T7704] netlink_unicast+0x449/0x710 [ 1328.721781][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1328.721781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1328.721781][ T7704] ___sys_sendmsg+0xee/0x170 [ 1328.721781][ T7704] __sys_sendmsg+0xcd/0x170 [ 1328.721781][ T7704] do_syscall_64+0xc6/0x1e0 [ 1328.721781][ T7704] [ 1328.723972][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1328.723972][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1328.723972][ T7704] ipv6_find_idev+0x102/0x170 [ 1328.723972][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1328.723972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.723972][ T7704] netlink_rcv_skb+0x130/0x360 [ 1328.723972][ T7704] netlink_unicast+0x449/0x710 [ 1328.723972][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1328.723972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1328.723972][ T7704] ___sys_sendmsg+0xee/0x170 [ 1328.723972][ T7704] __sys_sendmsg+0xcd/0x170 [ 1328.723972][ T7704] do_syscall_64+0xc6/0x1e0 [ 1328.723972][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1328.723972][ T7704] [ 1328.725675][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1328.725675][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1328.725675][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1328.725675][ T7704] ipv6_find_idev+0x102/0x170 [ 1328.725675][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1328.725675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.725675][ T7704] netlink_rcv_skb+0x130/0x360 [ 1328.725675][ T7704] netlink_unicast+0x449/0x710 [ 1328.725675][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1328.725675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1328.725675][ T7704] ___sys_sendmsg+0xee/0x170 [ 1328.725675][ T7704] __sys_sendmsg+0xcd/0x170 [ 1328.725675][ T7704] do_syscall_64+0xc6/0x1e0 [ 1328.725675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1328.725675][ T7704] [ 1338.972831][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1338.973320][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1338.973320][ T7704] netdev_get_by_index+0x5e/0x80 [ 1338.973320][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1338.973320][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1338.973320][ T7704] ip6_route_add+0x1c/0x140 [ 1338.973320][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1338.973320][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1338.973320][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1338.973320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.973320][ T7704] netlink_rcv_skb+0x130/0x360 [ 1338.973320][ T7704] netlink_unicast+0x449/0x710 [ 1338.973320][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1338.973320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1338.973320][ T7704] ___sys_sendmsg+0xee/0x170 [ 1338.973320][ T7704] __sys_sendmsg+0xcd/0x170 [ 1338.973320][ T7704] do_syscall_64+0xc6/0x1e0 [ 1338.973320][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1338.973320][ T7704] [ 1338.975563][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1338.975563][ T7704] netdev_get_by_index+0x5e/0x80 [ 1338.975563][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1338.975563][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1338.975563][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1338.975563][ T7704] ipv6_add_addr+0x411/0x2000 [ 1338.975563][ T7704] inet6_addr_add+0x30e/0xa40 [ 1338.975563][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1338.975563][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.975563][ T7704] netlink_rcv_skb+0x130/0x360 [ 1338.975563][ T7704] netlink_unicast+0x449/0x710 [ 1338.975563][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1338.975563][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1338.975563][ T7704] ___sys_sendmsg+0xee/0x170 [ 1338.975563][ T7704] __sys_sendmsg+0xcd/0x170 [ 1338.975563][ T7704] do_syscall_64+0xc6/0x1e0 [ 1338.975563][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1338.975563][ T7704] [ 1338.977770][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1338.977770][ T7704] netdev_get_by_index+0x5e/0x80 [ 1338.977770][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1338.977770][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1338.977770][ T7704] ip6_route_add+0x1c/0x140 [ 1338.977770][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1338.977770][ T7704] addrconf_add_dev+0xe2/0x170 [ 1338.977770][ T7704] inet6_addr_add+0x12f/0xa40 [ 1338.977770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1338.977770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.977770][ T7704] netlink_rcv_skb+0x130/0x360 [ 1338.977770][ T7704] netlink_unicast+0x449/0x710 [ 1338.977770][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1338.977770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1338.977770][ T7704] ___sys_sendmsg+0xee/0x170 [ 1338.977770][ T7704] __sys_sendmsg+0xcd/0x170 [ 1338.977770][ T7704] do_syscall_64+0xc6/0x1e0 [ 1338.977770][ T7704] [ 1338.979937][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1338.979937][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1338.979937][ T7704] ipv6_find_idev+0x102/0x170 [ 1338.979937][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1338.979937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.979937][ T7704] netlink_rcv_skb+0x130/0x360 [ 1338.979937][ T7704] netlink_unicast+0x449/0x710 [ 1338.979937][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1338.979937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1338.979937][ T7704] ___sys_sendmsg+0xee/0x170 [ 1338.979937][ T7704] __sys_sendmsg+0xcd/0x170 [ 1338.979937][ T7704] do_syscall_64+0xc6/0x1e0 [ 1338.979937][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1338.979937][ T7704] [ 1338.981636][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1338.981636][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1338.981636][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1338.981636][ T7704] ipv6_find_idev+0x102/0x170 [ 1338.981636][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1338.981636][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.981636][ T7704] netlink_rcv_skb+0x130/0x360 [ 1338.981636][ T7704] netlink_unicast+0x449/0x710 [ 1338.981636][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1338.981636][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1338.981636][ T7704] ___sys_sendmsg+0xee/0x170 [ 1338.981636][ T7704] __sys_sendmsg+0xcd/0x170 [ 1338.981636][ T7704] do_syscall_64+0xc6/0x1e0 [ 1338.981636][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1338.981636][ T7704] [ 1349.036858][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1349.037352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1349.037352][ T7704] netdev_get_by_index+0x5e/0x80 [ 1349.037352][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1349.037352][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1349.037352][ T7704] ip6_route_add+0x1c/0x140 [ 1349.037352][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1349.037352][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1349.037352][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1349.037352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.037352][ T7704] netlink_rcv_skb+0x130/0x360 [ 1349.037352][ T7704] netlink_unicast+0x449/0x710 [ 1349.037352][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1349.037352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1349.037352][ T7704] ___sys_sendmsg+0xee/0x170 [ 1349.037352][ T7704] __sys_sendmsg+0xcd/0x170 [ 1349.037352][ T7704] do_syscall_64+0xc6/0x1e0 [ 1349.037352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.037352][ T7704] [ 1349.039614][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1349.039614][ T7704] netdev_get_by_index+0x5e/0x80 [ 1349.039614][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1349.039614][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1349.039614][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1349.039614][ T7704] ipv6_add_addr+0x411/0x2000 [ 1349.039614][ T7704] inet6_addr_add+0x30e/0xa40 [ 1349.039614][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1349.039614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.039614][ T7704] netlink_rcv_skb+0x130/0x360 [ 1349.039614][ T7704] netlink_unicast+0x449/0x710 [ 1349.039614][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1349.039614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1349.039614][ T7704] ___sys_sendmsg+0xee/0x170 [ 1349.039614][ T7704] __sys_sendmsg+0xcd/0x170 [ 1349.039614][ T7704] do_syscall_64+0xc6/0x1e0 [ 1349.039614][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.039614][ T7704] [ 1349.041819][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1349.041819][ T7704] netdev_get_by_index+0x5e/0x80 [ 1349.041819][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1349.041819][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1349.041819][ T7704] ip6_route_add+0x1c/0x140 [ 1349.041819][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1349.041819][ T7704] addrconf_add_dev+0xe2/0x170 [ 1349.041819][ T7704] inet6_addr_add+0x12f/0xa40 [ 1349.041819][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1349.041819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.041819][ T7704] netlink_rcv_skb+0x130/0x360 [ 1349.041819][ T7704] netlink_unicast+0x449/0x710 [ 1349.041819][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1349.041819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1349.041819][ T7704] ___sys_sendmsg+0xee/0x170 [ 1349.041819][ T7704] __sys_sendmsg+0xcd/0x170 [ 1349.041819][ T7704] do_syscall_64+0xc6/0x1e0 [ 1349.041819][ T7704] [ 1349.044026][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1349.044026][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1349.044026][ T7704] ipv6_find_idev+0x102/0x170 [ 1349.044026][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.044026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.044026][ T7704] netlink_rcv_skb+0x130/0x360 [ 1349.044026][ T7704] netlink_unicast+0x449/0x710 [ 1349.044026][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1349.044026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1349.044026][ T7704] ___sys_sendmsg+0xee/0x170 [ 1349.044026][ T7704] __sys_sendmsg+0xcd/0x170 [ 1349.044026][ T7704] do_syscall_64+0xc6/0x1e0 [ 1349.044026][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.044026][ T7704] [ 1349.045725][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1349.045725][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1349.045725][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1349.045725][ T7704] ipv6_find_idev+0x102/0x170 [ 1349.045725][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.045725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.045725][ T7704] netlink_rcv_skb+0x130/0x360 [ 1349.045725][ T7704] netlink_unicast+0x449/0x710 [ 1349.045725][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1349.045725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1349.045725][ T7704] ___sys_sendmsg+0xee/0x170 [ 1349.045725][ T7704] __sys_sendmsg+0xcd/0x170 [ 1349.045725][ T7704] do_syscall_64+0xc6/0x1e0 [ 1349.045725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.045725][ T7704] [ 1359.092804][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1359.093271][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1359.093271][ T7704] netdev_get_by_index+0x5e/0x80 [ 1359.093271][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1359.093271][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1359.093271][ T7704] ip6_route_add+0x1c/0x140 [ 1359.093271][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1359.093271][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1359.093271][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1359.093271][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.093271][ T7704] netlink_rcv_skb+0x130/0x360 [ 1359.093271][ T7704] netlink_unicast+0x449/0x710 [ 1359.093271][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1359.093271][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1359.093271][ T7704] ___sys_sendmsg+0xee/0x170 [ 1359.093271][ T7704] __sys_sendmsg+0xcd/0x170 [ 1359.093271][ T7704] do_syscall_64+0xc6/0x1e0 [ 1359.093271][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.093271][ T7704] [ 1359.095758][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1359.095758][ T7704] netdev_get_by_index+0x5e/0x80 [ 1359.095758][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1359.095758][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1359.095758][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1359.095758][ T7704] ipv6_add_addr+0x411/0x2000 [ 1359.095758][ T7704] inet6_addr_add+0x30e/0xa40 [ 1359.095758][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1359.095758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.095758][ T7704] netlink_rcv_skb+0x130/0x360 [ 1359.095758][ T7704] netlink_unicast+0x449/0x710 [ 1359.095758][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1359.095758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1359.095758][ T7704] ___sys_sendmsg+0xee/0x170 [ 1359.095758][ T7704] __sys_sendmsg+0xcd/0x170 [ 1359.095758][ T7704] do_syscall_64+0xc6/0x1e0 [ 1359.095758][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.095758][ T7704] [ 1359.098214][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1359.098214][ T7704] netdev_get_by_index+0x5e/0x80 [ 1359.098214][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1359.098214][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1359.098214][ T7704] ip6_route_add+0x1c/0x140 [ 1359.098214][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1359.098214][ T7704] addrconf_add_dev+0xe2/0x170 [ 1359.098214][ T7704] inet6_addr_add+0x12f/0xa40 [ 1359.098214][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1359.098214][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.098214][ T7704] netlink_rcv_skb+0x130/0x360 [ 1359.098214][ T7704] netlink_unicast+0x449/0x710 [ 1359.098214][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1359.098214][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1359.098214][ T7704] ___sys_sendmsg+0xee/0x170 [ 1359.098214][ T7704] __sys_sendmsg+0xcd/0x170 [ 1359.098214][ T7704] do_syscall_64+0xc6/0x1e0 [ 1359.098214][ T7704] [ 1359.100622][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1359.100622][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1359.100622][ T7704] ipv6_find_idev+0x102/0x170 [ 1359.100622][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.100622][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.100622][ T7704] netlink_rcv_skb+0x130/0x360 [ 1359.100622][ T7704] netlink_unicast+0x449/0x710 [ 1359.100622][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1359.100622][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1359.100622][ T7704] ___sys_sendmsg+0xee/0x170 [ 1359.100622][ T7704] __sys_sendmsg+0xcd/0x170 [ 1359.100622][ T7704] do_syscall_64+0xc6/0x1e0 [ 1359.100622][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.100622][ T7704] [ 1359.102545][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1359.102545][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1359.102545][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1359.102545][ T7704] ipv6_find_idev+0x102/0x170 [ 1359.102545][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1359.102545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1359.102545][ T7704] netlink_rcv_skb+0x130/0x360 [ 1359.102545][ T7704] netlink_unicast+0x449/0x710 [ 1359.102545][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1359.102545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1359.102545][ T7704] ___sys_sendmsg+0xee/0x170 [ 1359.102545][ T7704] __sys_sendmsg+0xcd/0x170 [ 1359.102545][ T7704] do_syscall_64+0xc6/0x1e0 [ 1359.102545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1359.102545][ T7704] [ 1369.340778][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1369.341333][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1369.341333][ T7704] netdev_get_by_index+0x5e/0x80 [ 1369.341333][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1369.341333][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1369.341333][ T7704] ip6_route_add+0x1c/0x140 [ 1369.341333][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1369.341333][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1369.341333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.341333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.341333][ T7704] netlink_rcv_skb+0x130/0x360 [ 1369.341333][ T7704] netlink_unicast+0x449/0x710 [ 1369.341333][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1369.341333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1369.341333][ T7704] ___sys_sendmsg+0xee/0x170 [ 1369.341333][ T7704] __sys_sendmsg+0xcd/0x170 [ 1369.341333][ T7704] do_syscall_64+0xc6/0x1e0 [ 1369.341333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.341333][ T7704] [ 1369.343853][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1369.343853][ T7704] netdev_get_by_index+0x5e/0x80 [ 1369.343853][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1369.343853][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1369.343853][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1369.343853][ T7704] ipv6_add_addr+0x411/0x2000 [ 1369.343853][ T7704] inet6_addr_add+0x30e/0xa40 [ 1369.343853][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.343853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.343853][ T7704] netlink_rcv_skb+0x130/0x360 [ 1369.343853][ T7704] netlink_unicast+0x449/0x710 [ 1369.343853][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1369.343853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1369.343853][ T7704] ___sys_sendmsg+0xee/0x170 [ 1369.343853][ T7704] __sys_sendmsg+0xcd/0x170 [ 1369.343853][ T7704] do_syscall_64+0xc6/0x1e0 [ 1369.343853][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.343853][ T7704] [ 1369.346319][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1369.346319][ T7704] netdev_get_by_index+0x5e/0x80 [ 1369.346319][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1369.346319][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1369.346319][ T7704] ip6_route_add+0x1c/0x140 [ 1369.346319][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1369.346319][ T7704] addrconf_add_dev+0xe2/0x170 [ 1369.346319][ T7704] inet6_addr_add+0x12f/0xa40 [ 1369.346319][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.346319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.346319][ T7704] netlink_rcv_skb+0x130/0x360 [ 1369.346319][ T7704] netlink_unicast+0x449/0x710 [ 1369.346319][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1369.346319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1369.346319][ T7704] ___sys_sendmsg+0xee/0x170 [ 1369.346319][ T7704] __sys_sendmsg+0xcd/0x170 [ 1369.346319][ T7704] do_syscall_64+0xc6/0x1e0 [ 1369.346319][ T7704] [ 1369.348724][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1369.348724][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1369.348724][ T7704] ipv6_find_idev+0x102/0x170 [ 1369.348724][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.348724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.348724][ T7704] netlink_rcv_skb+0x130/0x360 [ 1369.348724][ T7704] netlink_unicast+0x449/0x710 [ 1369.348724][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1369.348724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1369.348724][ T7704] ___sys_sendmsg+0xee/0x170 [ 1369.348724][ T7704] __sys_sendmsg+0xcd/0x170 [ 1369.348724][ T7704] do_syscall_64+0xc6/0x1e0 [ 1369.348724][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.348724][ T7704] [ 1369.350612][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1369.350612][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1369.350612][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1369.350612][ T7704] ipv6_find_idev+0x102/0x170 [ 1369.350612][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.350612][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.350612][ T7704] netlink_rcv_skb+0x130/0x360 [ 1369.350612][ T7704] netlink_unicast+0x449/0x710 [ 1369.350612][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1369.350612][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1369.350612][ T7704] ___sys_sendmsg+0xee/0x170 [ 1369.350612][ T7704] __sys_sendmsg+0xcd/0x170 [ 1369.350612][ T7704] do_syscall_64+0xc6/0x1e0 [ 1369.350612][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.350612][ T7704] [ 1379.588830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1379.589414][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1379.589414][ T7704] netdev_get_by_index+0x5e/0x80 [ 1379.589414][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1379.589414][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1379.589414][ T7704] ip6_route_add+0x1c/0x140 [ 1379.589414][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1379.589414][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1379.589414][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1379.589414][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.589414][ T7704] netlink_rcv_skb+0x130/0x360 [ 1379.589414][ T7704] netlink_unicast+0x449/0x710 [ 1379.589414][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1379.589414][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1379.589414][ T7704] ___sys_sendmsg+0xee/0x170 [ 1379.589414][ T7704] __sys_sendmsg+0xcd/0x170 [ 1379.589414][ T7704] do_syscall_64+0xc6/0x1e0 [ 1379.589414][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1379.589414][ T7704] [ 1379.591994][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1379.591994][ T7704] netdev_get_by_index+0x5e/0x80 [ 1379.591994][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1379.591994][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1379.591994][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1379.591994][ T7704] ipv6_add_addr+0x411/0x2000 [ 1379.591994][ T7704] inet6_addr_add+0x30e/0xa40 [ 1379.591994][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1379.591994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.591994][ T7704] netlink_rcv_skb+0x130/0x360 [ 1379.591994][ T7704] netlink_unicast+0x449/0x710 [ 1379.591994][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1379.591994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1379.591994][ T7704] ___sys_sendmsg+0xee/0x170 [ 1379.591994][ T7704] __sys_sendmsg+0xcd/0x170 [ 1379.591994][ T7704] do_syscall_64+0xc6/0x1e0 [ 1379.591994][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1379.591994][ T7704] [ 1379.594567][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1379.594567][ T7704] netdev_get_by_index+0x5e/0x80 [ 1379.594567][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1379.594567][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1379.594567][ T7704] ip6_route_add+0x1c/0x140 [ 1379.594567][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1379.594567][ T7704] addrconf_add_dev+0xe2/0x170 [ 1379.594567][ T7704] inet6_addr_add+0x12f/0xa40 [ 1379.594567][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1379.594567][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.594567][ T7704] netlink_rcv_skb+0x130/0x360 [ 1379.594567][ T7704] netlink_unicast+0x449/0x710 [ 1379.594567][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1379.594567][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1379.594567][ T7704] ___sys_sendmsg+0xee/0x170 [ 1379.594567][ T7704] __sys_sendmsg+0xcd/0x170 [ 1379.594567][ T7704] do_syscall_64+0xc6/0x1e0 [ 1379.594567][ T7704] [ 1379.597304][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1379.597304][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1379.597304][ T7704] ipv6_find_idev+0x102/0x170 [ 1379.597304][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1379.597304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.597304][ T7704] netlink_rcv_skb+0x130/0x360 [ 1379.597304][ T7704] netlink_unicast+0x449/0x710 [ 1379.597304][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1379.597304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1379.597304][ T7704] ___sys_sendmsg+0xee/0x170 [ 1379.597304][ T7704] __sys_sendmsg+0xcd/0x170 [ 1379.597304][ T7704] do_syscall_64+0xc6/0x1e0 [ 1379.597304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1379.597304][ T7704] [ 1379.599414][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1379.599414][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1379.599414][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1379.599414][ T7704] ipv6_find_idev+0x102/0x170 [ 1379.599414][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1379.599414][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.599414][ T7704] netlink_rcv_skb+0x130/0x360 [ 1379.599414][ T7704] netlink_unicast+0x449/0x710 [ 1379.599414][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1379.599414][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1379.599414][ T7704] ___sys_sendmsg+0xee/0x170 [ 1379.599414][ T7704] __sys_sendmsg+0xcd/0x170 [ 1379.599414][ T7704] do_syscall_64+0xc6/0x1e0 [ 1379.599414][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1379.599414][ T7704] [ 1389.844748][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1389.845209][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1389.845209][ T7704] netdev_get_by_index+0x5e/0x80 [ 1389.845209][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1389.845209][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1389.845209][ T7704] ip6_route_add+0x1c/0x140 [ 1389.845209][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1389.845209][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1389.845209][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1389.845209][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.845209][ T7704] netlink_rcv_skb+0x130/0x360 [ 1389.845209][ T7704] netlink_unicast+0x449/0x710 [ 1389.845209][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1389.845209][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1389.845209][ T7704] ___sys_sendmsg+0xee/0x170 [ 1389.845209][ T7704] __sys_sendmsg+0xcd/0x170 [ 1389.845209][ T7704] do_syscall_64+0xc6/0x1e0 [ 1389.845209][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1389.845209][ T7704] [ 1389.847484][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1389.847484][ T7704] netdev_get_by_index+0x5e/0x80 [ 1389.847484][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1389.847484][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1389.847484][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1389.847484][ T7704] ipv6_add_addr+0x411/0x2000 [ 1389.847484][ T7704] inet6_addr_add+0x30e/0xa40 [ 1389.847484][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1389.847484][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.847484][ T7704] netlink_rcv_skb+0x130/0x360 [ 1389.847484][ T7704] netlink_unicast+0x449/0x710 [ 1389.847484][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1389.847484][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1389.847484][ T7704] ___sys_sendmsg+0xee/0x170 [ 1389.847484][ T7704] __sys_sendmsg+0xcd/0x170 [ 1389.847484][ T7704] do_syscall_64+0xc6/0x1e0 [ 1389.847484][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1389.847484][ T7704] [ 1389.849731][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1389.849731][ T7704] netdev_get_by_index+0x5e/0x80 [ 1389.849731][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1389.849731][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1389.849731][ T7704] ip6_route_add+0x1c/0x140 [ 1389.849731][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1389.849731][ T7704] addrconf_add_dev+0xe2/0x170 [ 1389.849731][ T7704] inet6_addr_add+0x12f/0xa40 [ 1389.849731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1389.849731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.849731][ T7704] netlink_rcv_skb+0x130/0x360 [ 1389.849731][ T7704] netlink_unicast+0x449/0x710 [ 1389.849731][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1389.849731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1389.849731][ T7704] ___sys_sendmsg+0xee/0x170 [ 1389.849731][ T7704] __sys_sendmsg+0xcd/0x170 [ 1389.849731][ T7704] do_syscall_64+0xc6/0x1e0 [ 1389.849731][ T7704] [ 1389.852118][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1389.852118][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1389.852118][ T7704] ipv6_find_idev+0x102/0x170 [ 1389.852118][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1389.852118][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.852118][ T7704] netlink_rcv_skb+0x130/0x360 [ 1389.852118][ T7704] netlink_unicast+0x449/0x710 [ 1389.852118][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1389.852118][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1389.852118][ T7704] ___sys_sendmsg+0xee/0x170 [ 1389.852118][ T7704] __sys_sendmsg+0xcd/0x170 [ 1389.852118][ T7704] do_syscall_64+0xc6/0x1e0 [ 1389.852118][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1389.852118][ T7704] [ 1389.853962][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1389.853962][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1389.853962][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1389.853962][ T7704] ipv6_find_idev+0x102/0x170 [ 1389.853962][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1389.853962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.853962][ T7704] netlink_rcv_skb+0x130/0x360 [ 1389.853962][ T7704] netlink_unicast+0x449/0x710 [ 1389.853962][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1389.853962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1389.853962][ T7704] ___sys_sendmsg+0xee/0x170 [ 1389.853962][ T7704] __sys_sendmsg+0xcd/0x170 [ 1389.853962][ T7704] do_syscall_64+0xc6/0x1e0 [ 1389.853962][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1389.853962][ T7704] [ 1400.092854][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1400.093321][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1400.093321][ T7704] netdev_get_by_index+0x5e/0x80 [ 1400.093321][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1400.093321][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1400.093321][ T7704] ip6_route_add+0x1c/0x140 [ 1400.093321][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1400.093321][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1400.093321][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1400.093321][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.093321][ T7704] netlink_rcv_skb+0x130/0x360 [ 1400.093321][ T7704] netlink_unicast+0x449/0x710 [ 1400.093321][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1400.093321][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1400.093321][ T7704] ___sys_sendmsg+0xee/0x170 [ 1400.093321][ T7704] __sys_sendmsg+0xcd/0x170 [ 1400.093321][ T7704] do_syscall_64+0xc6/0x1e0 [ 1400.093321][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.093321][ T7704] [ 1400.095658][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1400.095658][ T7704] netdev_get_by_index+0x5e/0x80 [ 1400.095658][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1400.095658][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1400.095658][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1400.095658][ T7704] ipv6_add_addr+0x411/0x2000 [ 1400.095658][ T7704] inet6_addr_add+0x30e/0xa40 [ 1400.095658][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1400.095658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.095658][ T7704] netlink_rcv_skb+0x130/0x360 [ 1400.095658][ T7704] netlink_unicast+0x449/0x710 [ 1400.095658][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1400.095658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1400.095658][ T7704] ___sys_sendmsg+0xee/0x170 [ 1400.095658][ T7704] __sys_sendmsg+0xcd/0x170 [ 1400.095658][ T7704] do_syscall_64+0xc6/0x1e0 [ 1400.095658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.095658][ T7704] [ 1400.097922][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1400.097922][ T7704] netdev_get_by_index+0x5e/0x80 [ 1400.097922][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1400.097922][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1400.097922][ T7704] ip6_route_add+0x1c/0x140 [ 1400.097922][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1400.097922][ T7704] addrconf_add_dev+0xe2/0x170 [ 1400.097922][ T7704] inet6_addr_add+0x12f/0xa40 [ 1400.097922][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1400.097922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.097922][ T7704] netlink_rcv_skb+0x130/0x360 [ 1400.097922][ T7704] netlink_unicast+0x449/0x710 [ 1400.097922][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1400.097922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1400.097922][ T7704] ___sys_sendmsg+0xee/0x170 [ 1400.097922][ T7704] __sys_sendmsg+0xcd/0x170 [ 1400.097922][ T7704] do_syscall_64+0xc6/0x1e0 [ 1400.097922][ T7704] [ 1400.100133][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1400.100133][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1400.100133][ T7704] ipv6_find_idev+0x102/0x170 [ 1400.100133][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.100133][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.100133][ T7704] netlink_rcv_skb+0x130/0x360 [ 1400.100133][ T7704] netlink_unicast+0x449/0x710 [ 1400.100133][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1400.100133][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1400.100133][ T7704] ___sys_sendmsg+0xee/0x170 [ 1400.100133][ T7704] __sys_sendmsg+0xcd/0x170 [ 1400.100133][ T7704] do_syscall_64+0xc6/0x1e0 [ 1400.100133][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.100133][ T7704] [ 1400.101864][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1400.101864][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1400.101864][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1400.101864][ T7704] ipv6_find_idev+0x102/0x170 [ 1400.101864][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.101864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.101864][ T7704] netlink_rcv_skb+0x130/0x360 [ 1400.101864][ T7704] netlink_unicast+0x449/0x710 [ 1400.101864][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1400.101864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1400.101864][ T7704] ___sys_sendmsg+0xee/0x170 [ 1400.101864][ T7704] __sys_sendmsg+0xcd/0x170 [ 1400.101864][ T7704] do_syscall_64+0xc6/0x1e0 [ 1400.101864][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.101864][ T7704] [ 1410.340831][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1410.341368][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1410.341368][ T7704] netdev_get_by_index+0x5e/0x80 [ 1410.341368][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1410.341368][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1410.341368][ T7704] ip6_route_add+0x1c/0x140 [ 1410.341368][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1410.341368][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1410.341368][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1410.341368][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.341368][ T7704] netlink_rcv_skb+0x130/0x360 [ 1410.341368][ T7704] netlink_unicast+0x449/0x710 [ 1410.341368][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1410.341368][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1410.341368][ T7704] ___sys_sendmsg+0xee/0x170 [ 1410.341368][ T7704] __sys_sendmsg+0xcd/0x170 [ 1410.341368][ T7704] do_syscall_64+0xc6/0x1e0 [ 1410.341368][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.341368][ T7704] [ 1410.343834][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1410.343834][ T7704] netdev_get_by_index+0x5e/0x80 [ 1410.343834][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1410.343834][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1410.343834][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1410.343834][ T7704] ipv6_add_addr+0x411/0x2000 [ 1410.343834][ T7704] inet6_addr_add+0x30e/0xa40 [ 1410.343834][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1410.343834][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.343834][ T7704] netlink_rcv_skb+0x130/0x360 [ 1410.343834][ T7704] netlink_unicast+0x449/0x710 [ 1410.343834][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1410.343834][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1410.343834][ T7704] ___sys_sendmsg+0xee/0x170 [ 1410.343834][ T7704] __sys_sendmsg+0xcd/0x170 [ 1410.343834][ T7704] do_syscall_64+0xc6/0x1e0 [ 1410.343834][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.343834][ T7704] [ 1410.346275][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1410.346275][ T7704] netdev_get_by_index+0x5e/0x80 [ 1410.346275][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1410.346275][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1410.346275][ T7704] ip6_route_add+0x1c/0x140 [ 1410.346275][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1410.346275][ T7704] addrconf_add_dev+0xe2/0x170 [ 1410.346275][ T7704] inet6_addr_add+0x12f/0xa40 [ 1410.346275][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1410.346275][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.346275][ T7704] netlink_rcv_skb+0x130/0x360 [ 1410.346275][ T7704] netlink_unicast+0x449/0x710 [ 1410.346275][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1410.346275][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1410.346275][ T7704] ___sys_sendmsg+0xee/0x170 [ 1410.346275][ T7704] __sys_sendmsg+0xcd/0x170 [ 1410.346275][ T7704] do_syscall_64+0xc6/0x1e0 [ 1410.346275][ T7704] [ 1410.348784][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1410.348784][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1410.348784][ T7704] ipv6_find_idev+0x102/0x170 [ 1410.348784][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.348784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.348784][ T7704] netlink_rcv_skb+0x130/0x360 [ 1410.348784][ T7704] netlink_unicast+0x449/0x710 [ 1410.348784][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1410.348784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1410.348784][ T7704] ___sys_sendmsg+0xee/0x170 [ 1410.348784][ T7704] __sys_sendmsg+0xcd/0x170 [ 1410.348784][ T7704] do_syscall_64+0xc6/0x1e0 [ 1410.348784][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.348784][ T7704] [ 1410.350641][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1410.350641][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1410.350641][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1410.350641][ T7704] ipv6_find_idev+0x102/0x170 [ 1410.350641][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1410.350641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1410.350641][ T7704] netlink_rcv_skb+0x130/0x360 [ 1410.350641][ T7704] netlink_unicast+0x449/0x710 [ 1410.350641][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1410.350641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1410.350641][ T7704] ___sys_sendmsg+0xee/0x170 [ 1410.350641][ T7704] __sys_sendmsg+0xcd/0x170 [ 1410.350641][ T7704] do_syscall_64+0xc6/0x1e0 [ 1410.350641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1410.350641][ T7704] [ 1420.412818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1420.413333][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1420.413333][ T7704] netdev_get_by_index+0x5e/0x80 [ 1420.413333][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1420.413333][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1420.413333][ T7704] ip6_route_add+0x1c/0x140 [ 1420.413333][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1420.413333][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1420.413333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1420.413333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1420.413333][ T7704] netlink_rcv_skb+0x130/0x360 [ 1420.413333][ T7704] netlink_unicast+0x449/0x710 [ 1420.413333][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1420.413333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1420.413333][ T7704] ___sys_sendmsg+0xee/0x170 [ 1420.413333][ T7704] __sys_sendmsg+0xcd/0x170 [ 1420.413333][ T7704] do_syscall_64+0xc6/0x1e0 [ 1420.413333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1420.413333][ T7704] [ 1420.415598][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1420.415598][ T7704] netdev_get_by_index+0x5e/0x80 [ 1420.415598][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1420.415598][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1420.415598][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1420.415598][ T7704] ipv6_add_addr+0x411/0x2000 [ 1420.415598][ T7704] inet6_addr_add+0x30e/0xa40 [ 1420.415598][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1420.415598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1420.415598][ T7704] netlink_rcv_skb+0x130/0x360 [ 1420.415598][ T7704] netlink_unicast+0x449/0x710 [ 1420.415598][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1420.415598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1420.415598][ T7704] ___sys_sendmsg+0xee/0x170 [ 1420.415598][ T7704] __sys_sendmsg+0xcd/0x170 [ 1420.415598][ T7704] do_syscall_64+0xc6/0x1e0 [ 1420.415598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1420.415598][ T7704] [ 1420.417835][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1420.417835][ T7704] netdev_get_by_index+0x5e/0x80 [ 1420.417835][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1420.417835][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1420.417835][ T7704] ip6_route_add+0x1c/0x140 [ 1420.417835][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1420.417835][ T7704] addrconf_add_dev+0xe2/0x170 [ 1420.417835][ T7704] inet6_addr_add+0x12f/0xa40 [ 1420.417835][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1420.417835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1420.417835][ T7704] netlink_rcv_skb+0x130/0x360 [ 1420.417835][ T7704] netlink_unicast+0x449/0x710 [ 1420.417835][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1420.417835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1420.417835][ T7704] ___sys_sendmsg+0xee/0x170 [ 1420.417835][ T7704] __sys_sendmsg+0xcd/0x170 [ 1420.417835][ T7704] do_syscall_64+0xc6/0x1e0 [ 1420.417835][ T7704] [ 1420.420036][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1420.420036][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1420.420036][ T7704] ipv6_find_idev+0x102/0x170 [ 1420.420036][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1420.420036][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1420.420036][ T7704] netlink_rcv_skb+0x130/0x360 [ 1420.420036][ T7704] netlink_unicast+0x449/0x710 [ 1420.420036][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1420.420036][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1420.420036][ T7704] ___sys_sendmsg+0xee/0x170 [ 1420.420036][ T7704] __sys_sendmsg+0xcd/0x170 [ 1420.420036][ T7704] do_syscall_64+0xc6/0x1e0 [ 1420.420036][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1420.420036][ T7704] [ 1420.421757][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1420.421757][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1420.421757][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1420.421757][ T7704] ipv6_find_idev+0x102/0x170 [ 1420.421757][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1420.421757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1420.421757][ T7704] netlink_rcv_skb+0x130/0x360 [ 1420.421757][ T7704] netlink_unicast+0x449/0x710 [ 1420.421757][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1420.421757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1420.421757][ T7704] ___sys_sendmsg+0xee/0x170 [ 1420.421757][ T7704] __sys_sendmsg+0xcd/0x170 [ 1420.421757][ T7704] do_syscall_64+0xc6/0x1e0 [ 1420.421757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1420.421757][ T7704] [ 1430.676828][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1430.677274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1430.677274][ T7704] netdev_get_by_index+0x5e/0x80 [ 1430.677274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1430.677274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1430.677274][ T7704] ip6_route_add+0x1c/0x140 [ 1430.677274][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1430.677274][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1430.677274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1430.677274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.677274][ T7704] netlink_rcv_skb+0x130/0x360 [ 1430.677274][ T7704] netlink_unicast+0x449/0x710 [ 1430.677274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1430.677274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1430.677274][ T7704] ___sys_sendmsg+0xee/0x170 [ 1430.677274][ T7704] __sys_sendmsg+0xcd/0x170 [ 1430.677274][ T7704] do_syscall_64+0xc6/0x1e0 [ 1430.677274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1430.677274][ T7704] [ 1430.679721][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1430.679721][ T7704] netdev_get_by_index+0x5e/0x80 [ 1430.679721][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1430.679721][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1430.679721][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1430.679721][ T7704] ipv6_add_addr+0x411/0x2000 [ 1430.679721][ T7704] inet6_addr_add+0x30e/0xa40 [ 1430.679721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1430.679721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.679721][ T7704] netlink_rcv_skb+0x130/0x360 [ 1430.679721][ T7704] netlink_unicast+0x449/0x710 [ 1430.679721][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1430.679721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1430.679721][ T7704] ___sys_sendmsg+0xee/0x170 [ 1430.679721][ T7704] __sys_sendmsg+0xcd/0x170 [ 1430.679721][ T7704] do_syscall_64+0xc6/0x1e0 [ 1430.679721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1430.679721][ T7704] [ 1430.682131][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1430.682131][ T7704] netdev_get_by_index+0x5e/0x80 [ 1430.682131][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1430.682131][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1430.682131][ T7704] ip6_route_add+0x1c/0x140 [ 1430.682131][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1430.682131][ T7704] addrconf_add_dev+0xe2/0x170 [ 1430.682131][ T7704] inet6_addr_add+0x12f/0xa40 [ 1430.682131][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1430.682131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.682131][ T7704] netlink_rcv_skb+0x130/0x360 [ 1430.682131][ T7704] netlink_unicast+0x449/0x710 [ 1430.682131][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1430.682131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1430.682131][ T7704] ___sys_sendmsg+0xee/0x170 [ 1430.682131][ T7704] __sys_sendmsg+0xcd/0x170 [ 1430.682131][ T7704] do_syscall_64+0xc6/0x1e0 [ 1430.682131][ T7704] [ 1430.684512][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1430.684512][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1430.684512][ T7704] ipv6_find_idev+0x102/0x170 [ 1430.684512][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1430.684512][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.684512][ T7704] netlink_rcv_skb+0x130/0x360 [ 1430.684512][ T7704] netlink_unicast+0x449/0x710 [ 1430.684512][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1430.684512][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1430.684512][ T7704] ___sys_sendmsg+0xee/0x170 [ 1430.684512][ T7704] __sys_sendmsg+0xcd/0x170 [ 1430.684512][ T7704] do_syscall_64+0xc6/0x1e0 [ 1430.684512][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1430.684512][ T7704] [ 1430.686222][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1430.686222][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1430.686222][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1430.686222][ T7704] ipv6_find_idev+0x102/0x170 [ 1430.686222][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1430.686222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.686222][ T7704] netlink_rcv_skb+0x130/0x360 [ 1430.686222][ T7704] netlink_unicast+0x449/0x710 [ 1430.686222][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1430.686222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1430.686222][ T7704] ___sys_sendmsg+0xee/0x170 [ 1430.686222][ T7704] __sys_sendmsg+0xcd/0x170 [ 1430.686222][ T7704] do_syscall_64+0xc6/0x1e0 [ 1430.686222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1430.686222][ T7704] [ 1440.708851][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1440.709332][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1440.709332][ T7704] netdev_get_by_index+0x5e/0x80 [ 1440.709332][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1440.709332][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1440.709332][ T7704] ip6_route_add+0x1c/0x140 [ 1440.709332][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1440.709332][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1440.709332][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1440.709332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.709332][ T7704] netlink_rcv_skb+0x130/0x360 [ 1440.709332][ T7704] netlink_unicast+0x449/0x710 [ 1440.709332][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1440.709332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1440.709332][ T7704] ___sys_sendmsg+0xee/0x170 [ 1440.709332][ T7704] __sys_sendmsg+0xcd/0x170 [ 1440.709332][ T7704] do_syscall_64+0xc6/0x1e0 [ 1440.709332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1440.709332][ T7704] [ 1440.711825][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1440.711825][ T7704] netdev_get_by_index+0x5e/0x80 [ 1440.711825][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1440.711825][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1440.711825][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1440.711825][ T7704] ipv6_add_addr+0x411/0x2000 [ 1440.711825][ T7704] inet6_addr_add+0x30e/0xa40 [ 1440.711825][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1440.711825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.711825][ T7704] netlink_rcv_skb+0x130/0x360 [ 1440.711825][ T7704] netlink_unicast+0x449/0x710 [ 1440.711825][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1440.711825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1440.711825][ T7704] ___sys_sendmsg+0xee/0x170 [ 1440.711825][ T7704] __sys_sendmsg+0xcd/0x170 [ 1440.711825][ T7704] do_syscall_64+0xc6/0x1e0 [ 1440.711825][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1440.711825][ T7704] [ 1440.714273][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1440.714273][ T7704] netdev_get_by_index+0x5e/0x80 [ 1440.714273][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1440.714273][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1440.714273][ T7704] ip6_route_add+0x1c/0x140 [ 1440.714273][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1440.714273][ T7704] addrconf_add_dev+0xe2/0x170 [ 1440.714273][ T7704] inet6_addr_add+0x12f/0xa40 [ 1440.714273][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1440.714273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.714273][ T7704] netlink_rcv_skb+0x130/0x360 [ 1440.714273][ T7704] netlink_unicast+0x449/0x710 [ 1440.714273][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1440.714273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1440.714273][ T7704] ___sys_sendmsg+0xee/0x170 [ 1440.714273][ T7704] __sys_sendmsg+0xcd/0x170 [ 1440.714273][ T7704] do_syscall_64+0xc6/0x1e0 [ 1440.714273][ T7704] [ 1440.716686][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1440.716686][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1440.716686][ T7704] ipv6_find_idev+0x102/0x170 [ 1440.716686][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1440.716686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.716686][ T7704] netlink_rcv_skb+0x130/0x360 [ 1440.716686][ T7704] netlink_unicast+0x449/0x710 [ 1440.716686][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1440.716686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1440.716686][ T7704] ___sys_sendmsg+0xee/0x170 [ 1440.716686][ T7704] __sys_sendmsg+0xcd/0x170 [ 1440.716686][ T7704] do_syscall_64+0xc6/0x1e0 [ 1440.716686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1440.716686][ T7704] [ 1440.718557][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1440.718557][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1440.718557][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1440.718557][ T7704] ipv6_find_idev+0x102/0x170 [ 1440.718557][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1440.718557][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.718557][ T7704] netlink_rcv_skb+0x130/0x360 [ 1440.718557][ T7704] netlink_unicast+0x449/0x710 [ 1440.718557][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1440.718557][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1440.718557][ T7704] ___sys_sendmsg+0xee/0x170 [ 1440.718557][ T7704] __sys_sendmsg+0xcd/0x170 [ 1440.718557][ T7704] do_syscall_64+0xc6/0x1e0 [ 1440.718557][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1440.718557][ T7704] [ 1450.956846][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1450.957397][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1450.957397][ T7704] netdev_get_by_index+0x5e/0x80 [ 1450.957397][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1450.957397][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1450.957397][ T7704] ip6_route_add+0x1c/0x140 [ 1450.957397][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1450.957397][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1450.957397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1450.957397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.957397][ T7704] netlink_rcv_skb+0x130/0x360 [ 1450.957397][ T7704] netlink_unicast+0x449/0x710 [ 1450.957397][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1450.957397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1450.957397][ T7704] ___sys_sendmsg+0xee/0x170 [ 1450.957397][ T7704] __sys_sendmsg+0xcd/0x170 [ 1450.957397][ T7704] do_syscall_64+0xc6/0x1e0 [ 1450.957397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1450.957397][ T7704] [ 1450.959868][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1450.959868][ T7704] netdev_get_by_index+0x5e/0x80 [ 1450.959868][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1450.959868][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1450.959868][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1450.959868][ T7704] ipv6_add_addr+0x411/0x2000 [ 1450.959868][ T7704] inet6_addr_add+0x30e/0xa40 [ 1450.959868][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1450.959868][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.959868][ T7704] netlink_rcv_skb+0x130/0x360 [ 1450.959868][ T7704] netlink_unicast+0x449/0x710 [ 1450.959868][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1450.959868][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1450.959868][ T7704] ___sys_sendmsg+0xee/0x170 [ 1450.959868][ T7704] __sys_sendmsg+0xcd/0x170 [ 1450.959868][ T7704] do_syscall_64+0xc6/0x1e0 [ 1450.959868][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1450.959868][ T7704] [ 1450.962320][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1450.962320][ T7704] netdev_get_by_index+0x5e/0x80 [ 1450.962320][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1450.962320][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1450.962320][ T7704] ip6_route_add+0x1c/0x140 [ 1450.962320][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1450.962320][ T7704] addrconf_add_dev+0xe2/0x170 [ 1450.962320][ T7704] inet6_addr_add+0x12f/0xa40 [ 1450.962320][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1450.962320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.962320][ T7704] netlink_rcv_skb+0x130/0x360 [ 1450.962320][ T7704] netlink_unicast+0x449/0x710 [ 1450.962320][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1450.962320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1450.962320][ T7704] ___sys_sendmsg+0xee/0x170 [ 1450.962320][ T7704] __sys_sendmsg+0xcd/0x170 [ 1450.962320][ T7704] do_syscall_64+0xc6/0x1e0 [ 1450.962320][ T7704] [ 1450.964748][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1450.964748][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1450.964748][ T7704] ipv6_find_idev+0x102/0x170 [ 1450.964748][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1450.964748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.964748][ T7704] netlink_rcv_skb+0x130/0x360 [ 1450.964748][ T7704] netlink_unicast+0x449/0x710 [ 1450.964748][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1450.964748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1450.964748][ T7704] ___sys_sendmsg+0xee/0x170 [ 1450.964748][ T7704] __sys_sendmsg+0xcd/0x170 [ 1450.964748][ T7704] do_syscall_64+0xc6/0x1e0 [ 1450.964748][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1450.964748][ T7704] [ 1450.966624][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1450.966624][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1450.966624][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1450.966624][ T7704] ipv6_find_idev+0x102/0x170 [ 1450.966624][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1450.966624][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.966624][ T7704] netlink_rcv_skb+0x130/0x360 [ 1450.966624][ T7704] netlink_unicast+0x449/0x710 [ 1450.966624][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1450.966624][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1450.966624][ T7704] ___sys_sendmsg+0xee/0x170 [ 1450.966624][ T7704] __sys_sendmsg+0xcd/0x170 [ 1450.966624][ T7704] do_syscall_64+0xc6/0x1e0 [ 1450.966624][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1450.966624][ T7704] [ 1461.164896][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1461.165439][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1461.165439][ T7704] netdev_get_by_index+0x5e/0x80 [ 1461.165439][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1461.165439][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1461.165439][ T7704] ip6_route_add+0x1c/0x140 [ 1461.165439][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1461.165439][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1461.165439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1461.165439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1461.165439][ T7704] netlink_rcv_skb+0x130/0x360 [ 1461.165439][ T7704] netlink_unicast+0x449/0x710 [ 1461.165439][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1461.165439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1461.165439][ T7704] ___sys_sendmsg+0xee/0x170 [ 1461.165439][ T7704] __sys_sendmsg+0xcd/0x170 [ 1461.165439][ T7704] do_syscall_64+0xc6/0x1e0 [ 1461.165439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1461.165439][ T7704] [ 1461.167945][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1461.167945][ T7704] netdev_get_by_index+0x5e/0x80 [ 1461.167945][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1461.167945][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1461.167945][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1461.167945][ T7704] ipv6_add_addr+0x411/0x2000 [ 1461.167945][ T7704] inet6_addr_add+0x30e/0xa40 [ 1461.167945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1461.167945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1461.167945][ T7704] netlink_rcv_skb+0x130/0x360 [ 1461.167945][ T7704] netlink_unicast+0x449/0x710 [ 1461.167945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1461.167945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1461.167945][ T7704] ___sys_sendmsg+0xee/0x170 [ 1461.167945][ T7704] __sys_sendmsg+0xcd/0x170 [ 1461.167945][ T7704] do_syscall_64+0xc6/0x1e0 [ 1461.167945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1461.167945][ T7704] [ 1461.170395][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1461.170395][ T7704] netdev_get_by_index+0x5e/0x80 [ 1461.170395][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1461.170395][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1461.170395][ T7704] ip6_route_add+0x1c/0x140 [ 1461.170395][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1461.170395][ T7704] addrconf_add_dev+0xe2/0x170 [ 1461.170395][ T7704] inet6_addr_add+0x12f/0xa40 [ 1461.170395][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1461.170395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1461.170395][ T7704] netlink_rcv_skb+0x130/0x360 [ 1461.170395][ T7704] netlink_unicast+0x449/0x710 [ 1461.170395][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1461.170395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1461.170395][ T7704] ___sys_sendmsg+0xee/0x170 [ 1461.170395][ T7704] __sys_sendmsg+0xcd/0x170 [ 1461.170395][ T7704] do_syscall_64+0xc6/0x1e0 [ 1461.170395][ T7704] [ 1461.172810][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1461.172810][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1461.172810][ T7704] ipv6_find_idev+0x102/0x170 [ 1461.172810][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1461.172810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1461.172810][ T7704] netlink_rcv_skb+0x130/0x360 [ 1461.172810][ T7704] netlink_unicast+0x449/0x710 [ 1461.172810][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1461.172810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1461.172810][ T7704] ___sys_sendmsg+0xee/0x170 [ 1461.172810][ T7704] __sys_sendmsg+0xcd/0x170 [ 1461.172810][ T7704] do_syscall_64+0xc6/0x1e0 [ 1461.172810][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1461.172810][ T7704] [ 1461.174743][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1461.174743][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1461.174743][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1461.174743][ T7704] ipv6_find_idev+0x102/0x170 [ 1461.174743][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1461.174743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1461.174743][ T7704] netlink_rcv_skb+0x130/0x360 [ 1461.174743][ T7704] netlink_unicast+0x449/0x710 [ 1461.174743][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1461.174743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1461.174743][ T7704] ___sys_sendmsg+0xee/0x170 [ 1461.174743][ T7704] __sys_sendmsg+0xcd/0x170 [ 1461.174743][ T7704] do_syscall_64+0xc6/0x1e0 [ 1461.174743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1461.174743][ T7704] [ 1471.412883][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1471.413451][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1471.413451][ T7704] netdev_get_by_index+0x5e/0x80 [ 1471.413451][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1471.413451][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1471.413451][ T7704] ip6_route_add+0x1c/0x140 [ 1471.413451][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1471.413451][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1471.413451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1471.413451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1471.413451][ T7704] netlink_rcv_skb+0x130/0x360 [ 1471.413451][ T7704] netlink_unicast+0x449/0x710 [ 1471.413451][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1471.413451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1471.413451][ T7704] ___sys_sendmsg+0xee/0x170 [ 1471.413451][ T7704] __sys_sendmsg+0xcd/0x170 [ 1471.413451][ T7704] do_syscall_64+0xc6/0x1e0 [ 1471.413451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1471.413451][ T7704] [ 1471.415938][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1471.415938][ T7704] netdev_get_by_index+0x5e/0x80 [ 1471.415938][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1471.415938][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1471.415938][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1471.415938][ T7704] ipv6_add_addr+0x411/0x2000 [ 1471.415938][ T7704] inet6_addr_add+0x30e/0xa40 [ 1471.415938][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1471.415938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1471.415938][ T7704] netlink_rcv_skb+0x130/0x360 [ 1471.415938][ T7704] netlink_unicast+0x449/0x710 [ 1471.415938][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1471.415938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1471.415938][ T7704] ___sys_sendmsg+0xee/0x170 [ 1471.415938][ T7704] __sys_sendmsg+0xcd/0x170 [ 1471.415938][ T7704] do_syscall_64+0xc6/0x1e0 [ 1471.415938][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1471.415938][ T7704] [ 1471.418380][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1471.418380][ T7704] netdev_get_by_index+0x5e/0x80 [ 1471.418380][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1471.418380][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1471.418380][ T7704] ip6_route_add+0x1c/0x140 [ 1471.418380][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1471.418380][ T7704] addrconf_add_dev+0xe2/0x170 [ 1471.418380][ T7704] inet6_addr_add+0x12f/0xa40 [ 1471.418380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1471.418380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1471.418380][ T7704] netlink_rcv_skb+0x130/0x360 [ 1471.418380][ T7704] netlink_unicast+0x449/0x710 [ 1471.418380][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1471.418380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1471.418380][ T7704] ___sys_sendmsg+0xee/0x170 [ 1471.418380][ T7704] __sys_sendmsg+0xcd/0x170 [ 1471.418380][ T7704] do_syscall_64+0xc6/0x1e0 [ 1471.418380][ T7704] [ 1471.420799][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1471.420799][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1471.420799][ T7704] ipv6_find_idev+0x102/0x170 [ 1471.420799][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1471.420799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1471.420799][ T7704] netlink_rcv_skb+0x130/0x360 [ 1471.420799][ T7704] netlink_unicast+0x449/0x710 [ 1471.420799][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1471.420799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1471.420799][ T7704] ___sys_sendmsg+0xee/0x170 [ 1471.420799][ T7704] __sys_sendmsg+0xcd/0x170 [ 1471.420799][ T7704] do_syscall_64+0xc6/0x1e0 [ 1471.420799][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1471.420799][ T7704] [ 1471.422670][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1471.422670][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1471.422670][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1471.422670][ T7704] ipv6_find_idev+0x102/0x170 [ 1471.422670][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1471.422670][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1471.422670][ T7704] netlink_rcv_skb+0x130/0x360 [ 1471.422670][ T7704] netlink_unicast+0x449/0x710 [ 1471.422670][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1471.422670][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1471.422670][ T7704] ___sys_sendmsg+0xee/0x170 [ 1471.422670][ T7704] __sys_sendmsg+0xcd/0x170 [ 1471.422670][ T7704] do_syscall_64+0xc6/0x1e0 [ 1471.422670][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1471.422670][ T7704] [ 1481.660827][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1481.661365][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1481.661365][ T7704] netdev_get_by_index+0x5e/0x80 [ 1481.661365][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1481.661365][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1481.661365][ T7704] ip6_route_add+0x1c/0x140 [ 1481.661365][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1481.661365][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1481.661365][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1481.661365][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1481.661365][ T7704] netlink_rcv_skb+0x130/0x360 [ 1481.661365][ T7704] netlink_unicast+0x449/0x710 [ 1481.661365][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1481.661365][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1481.661365][ T7704] ___sys_sendmsg+0xee/0x170 [ 1481.661365][ T7704] __sys_sendmsg+0xcd/0x170 [ 1481.661365][ T7704] do_syscall_64+0xc6/0x1e0 [ 1481.661365][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1481.661365][ T7704] [ 1481.663640][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1481.663640][ T7704] netdev_get_by_index+0x5e/0x80 [ 1481.663640][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1481.663640][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1481.663640][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1481.663640][ T7704] ipv6_add_addr+0x411/0x2000 [ 1481.663640][ T7704] inet6_addr_add+0x30e/0xa40 [ 1481.663640][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1481.663640][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1481.663640][ T7704] netlink_rcv_skb+0x130/0x360 [ 1481.663640][ T7704] netlink_unicast+0x449/0x710 [ 1481.663640][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1481.663640][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1481.663640][ T7704] ___sys_sendmsg+0xee/0x170 [ 1481.663640][ T7704] __sys_sendmsg+0xcd/0x170 [ 1481.663640][ T7704] do_syscall_64+0xc6/0x1e0 [ 1481.663640][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1481.663640][ T7704] [ 1481.665878][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1481.665878][ T7704] netdev_get_by_index+0x5e/0x80 [ 1481.665878][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1481.665878][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1481.665878][ T7704] ip6_route_add+0x1c/0x140 [ 1481.665878][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1481.665878][ T7704] addrconf_add_dev+0xe2/0x170 [ 1481.665878][ T7704] inet6_addr_add+0x12f/0xa40 [ 1481.665878][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1481.665878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1481.665878][ T7704] netlink_rcv_skb+0x130/0x360 [ 1481.665878][ T7704] netlink_unicast+0x449/0x710 [ 1481.665878][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1481.665878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1481.665878][ T7704] ___sys_sendmsg+0xee/0x170 [ 1481.665878][ T7704] __sys_sendmsg+0xcd/0x170 [ 1481.665878][ T7704] do_syscall_64+0xc6/0x1e0 [ 1481.665878][ T7704] [ 1481.668084][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1481.668084][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1481.668084][ T7704] ipv6_find_idev+0x102/0x170 [ 1481.668084][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1481.668084][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1481.668084][ T7704] netlink_rcv_skb+0x130/0x360 [ 1481.668084][ T7704] netlink_unicast+0x449/0x710 [ 1481.668084][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1481.668084][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1481.668084][ T7704] ___sys_sendmsg+0xee/0x170 [ 1481.668084][ T7704] __sys_sendmsg+0xcd/0x170 [ 1481.668084][ T7704] do_syscall_64+0xc6/0x1e0 [ 1481.668084][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1481.668084][ T7704] [ 1481.669804][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1481.669804][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1481.669804][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1481.669804][ T7704] ipv6_find_idev+0x102/0x170 [ 1481.669804][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1481.669804][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1481.669804][ T7704] netlink_rcv_skb+0x130/0x360 [ 1481.669804][ T7704] netlink_unicast+0x449/0x710 [ 1481.669804][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1481.669804][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1481.669804][ T7704] ___sys_sendmsg+0xee/0x170 [ 1481.669804][ T7704] __sys_sendmsg+0xcd/0x170 [ 1481.669804][ T7704] do_syscall_64+0xc6/0x1e0 [ 1481.669804][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1481.669804][ T7704] [ 1491.916816][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1491.917259][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1491.917259][ T7704] netdev_get_by_index+0x5e/0x80 [ 1491.917259][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1491.917259][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1491.917259][ T7704] ip6_route_add+0x1c/0x140 [ 1491.917259][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1491.917259][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1491.917259][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1491.917259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.917259][ T7704] netlink_rcv_skb+0x130/0x360 [ 1491.917259][ T7704] netlink_unicast+0x449/0x710 [ 1491.917259][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1491.917259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1491.917259][ T7704] ___sys_sendmsg+0xee/0x170 [ 1491.917259][ T7704] __sys_sendmsg+0xcd/0x170 [ 1491.917259][ T7704] do_syscall_64+0xc6/0x1e0 [ 1491.917259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1491.917259][ T7704] [ 1491.919522][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1491.919522][ T7704] netdev_get_by_index+0x5e/0x80 [ 1491.919522][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1491.919522][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1491.919522][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1491.919522][ T7704] ipv6_add_addr+0x411/0x2000 [ 1491.919522][ T7704] inet6_addr_add+0x30e/0xa40 [ 1491.919522][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1491.919522][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.919522][ T7704] netlink_rcv_skb+0x130/0x360 [ 1491.919522][ T7704] netlink_unicast+0x449/0x710 [ 1491.919522][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1491.919522][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1491.919522][ T7704] ___sys_sendmsg+0xee/0x170 [ 1491.919522][ T7704] __sys_sendmsg+0xcd/0x170 [ 1491.919522][ T7704] do_syscall_64+0xc6/0x1e0 [ 1491.919522][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1491.919522][ T7704] [ 1491.921761][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1491.921761][ T7704] netdev_get_by_index+0x5e/0x80 [ 1491.921761][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1491.921761][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1491.921761][ T7704] ip6_route_add+0x1c/0x140 [ 1491.921761][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1491.921761][ T7704] addrconf_add_dev+0xe2/0x170 [ 1491.921761][ T7704] inet6_addr_add+0x12f/0xa40 [ 1491.921761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1491.921761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.921761][ T7704] netlink_rcv_skb+0x130/0x360 [ 1491.921761][ T7704] netlink_unicast+0x449/0x710 [ 1491.921761][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1491.921761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1491.921761][ T7704] ___sys_sendmsg+0xee/0x170 [ 1491.921761][ T7704] __sys_sendmsg+0xcd/0x170 [ 1491.921761][ T7704] do_syscall_64+0xc6/0x1e0 [ 1491.921761][ T7704] [ 1491.923986][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1491.923986][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1491.923986][ T7704] ipv6_find_idev+0x102/0x170 [ 1491.923986][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1491.923986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.923986][ T7704] netlink_rcv_skb+0x130/0x360 [ 1491.923986][ T7704] netlink_unicast+0x449/0x710 [ 1491.923986][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1491.923986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1491.923986][ T7704] ___sys_sendmsg+0xee/0x170 [ 1491.923986][ T7704] __sys_sendmsg+0xcd/0x170 [ 1491.923986][ T7704] do_syscall_64+0xc6/0x1e0 [ 1491.923986][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1491.923986][ T7704] [ 1491.925721][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1491.925721][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1491.925721][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1491.925721][ T7704] ipv6_find_idev+0x102/0x170 [ 1491.925721][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1491.925721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.925721][ T7704] netlink_rcv_skb+0x130/0x360 [ 1491.925721][ T7704] netlink_unicast+0x449/0x710 [ 1491.925721][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1491.925721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1491.925721][ T7704] ___sys_sendmsg+0xee/0x170 [ 1491.925721][ T7704] __sys_sendmsg+0xcd/0x170 [ 1491.925721][ T7704] do_syscall_64+0xc6/0x1e0 [ 1491.925721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1491.925721][ T7704] [ 1502.164835][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1502.165334][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1502.165334][ T7704] netdev_get_by_index+0x5e/0x80 [ 1502.165334][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1502.165334][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1502.165334][ T7704] ip6_route_add+0x1c/0x140 [ 1502.165334][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1502.165334][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1502.165334][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1502.165334][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1502.165334][ T7704] netlink_rcv_skb+0x130/0x360 [ 1502.165334][ T7704] netlink_unicast+0x449/0x710 [ 1502.165334][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1502.165334][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1502.165334][ T7704] ___sys_sendmsg+0xee/0x170 [ 1502.165334][ T7704] __sys_sendmsg+0xcd/0x170 [ 1502.165334][ T7704] do_syscall_64+0xc6/0x1e0 [ 1502.165334][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1502.165334][ T7704] [ 1502.167609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1502.167609][ T7704] netdev_get_by_index+0x5e/0x80 [ 1502.167609][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1502.167609][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1502.167609][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1502.167609][ T7704] ipv6_add_addr+0x411/0x2000 [ 1502.167609][ T7704] inet6_addr_add+0x30e/0xa40 [ 1502.167609][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1502.167609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1502.167609][ T7704] netlink_rcv_skb+0x130/0x360 [ 1502.167609][ T7704] netlink_unicast+0x449/0x710 [ 1502.167609][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1502.167609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1502.167609][ T7704] ___sys_sendmsg+0xee/0x170 [ 1502.167609][ T7704] __sys_sendmsg+0xcd/0x170 [ 1502.167609][ T7704] do_syscall_64+0xc6/0x1e0 [ 1502.167609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1502.167609][ T7704] [ 1502.169847][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1502.169847][ T7704] netdev_get_by_index+0x5e/0x80 [ 1502.169847][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1502.169847][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1502.169847][ T7704] ip6_route_add+0x1c/0x140 [ 1502.169847][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1502.169847][ T7704] addrconf_add_dev+0xe2/0x170 [ 1502.169847][ T7704] inet6_addr_add+0x12f/0xa40 [ 1502.169847][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1502.169847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1502.169847][ T7704] netlink_rcv_skb+0x130/0x360 [ 1502.169847][ T7704] netlink_unicast+0x449/0x710 [ 1502.169847][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1502.169847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1502.169847][ T7704] ___sys_sendmsg+0xee/0x170 [ 1502.169847][ T7704] __sys_sendmsg+0xcd/0x170 [ 1502.169847][ T7704] do_syscall_64+0xc6/0x1e0 [ 1502.169847][ T7704] [ 1502.172185][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1502.172185][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1502.172185][ T7704] ipv6_find_idev+0x102/0x170 [ 1502.172185][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1502.172185][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1502.172185][ T7704] netlink_rcv_skb+0x130/0x360 [ 1502.172185][ T7704] netlink_unicast+0x449/0x710 [ 1502.172185][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1502.172185][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1502.172185][ T7704] ___sys_sendmsg+0xee/0x170 [ 1502.172185][ T7704] __sys_sendmsg+0xcd/0x170 [ 1502.172185][ T7704] do_syscall_64+0xc6/0x1e0 [ 1502.172185][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1502.172185][ T7704] [ 1502.173931][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1502.173931][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1502.173931][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1502.173931][ T7704] ipv6_find_idev+0x102/0x170 [ 1502.173931][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1502.173931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1502.173931][ T7704] netlink_rcv_skb+0x130/0x360 [ 1502.173931][ T7704] netlink_unicast+0x449/0x710 [ 1502.173931][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1502.173931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1502.173931][ T7704] ___sys_sendmsg+0xee/0x170 [ 1502.173931][ T7704] __sys_sendmsg+0xcd/0x170 [ 1502.173931][ T7704] do_syscall_64+0xc6/0x1e0 [ 1502.173931][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1502.173931][ T7704] [ 1512.412810][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1512.413313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1512.413313][ T7704] netdev_get_by_index+0x5e/0x80 [ 1512.413313][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1512.413313][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1512.413313][ T7704] ip6_route_add+0x1c/0x140 [ 1512.413313][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1512.413313][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1512.413313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1512.413313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1512.413313][ T7704] netlink_rcv_skb+0x130/0x360 [ 1512.413313][ T7704] netlink_unicast+0x449/0x710 [ 1512.413313][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1512.413313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1512.413313][ T7704] ___sys_sendmsg+0xee/0x170 [ 1512.413313][ T7704] __sys_sendmsg+0xcd/0x170 [ 1512.413313][ T7704] do_syscall_64+0xc6/0x1e0 [ 1512.413313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1512.413313][ T7704] [ 1512.415832][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1512.415832][ T7704] netdev_get_by_index+0x5e/0x80 [ 1512.415832][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1512.415832][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1512.415832][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1512.415832][ T7704] ipv6_add_addr+0x411/0x2000 [ 1512.415832][ T7704] inet6_addr_add+0x30e/0xa40 [ 1512.415832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1512.415832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1512.415832][ T7704] netlink_rcv_skb+0x130/0x360 [ 1512.415832][ T7704] netlink_unicast+0x449/0x710 [ 1512.415832][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1512.415832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1512.415832][ T7704] ___sys_sendmsg+0xee/0x170 [ 1512.415832][ T7704] __sys_sendmsg+0xcd/0x170 [ 1512.415832][ T7704] do_syscall_64+0xc6/0x1e0 [ 1512.415832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1512.415832][ T7704] [ 1512.418347][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1512.418347][ T7704] netdev_get_by_index+0x5e/0x80 [ 1512.418347][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1512.418347][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1512.418347][ T7704] ip6_route_add+0x1c/0x140 [ 1512.418347][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1512.418347][ T7704] addrconf_add_dev+0xe2/0x170 [ 1512.418347][ T7704] inet6_addr_add+0x12f/0xa40 [ 1512.418347][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1512.418347][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1512.418347][ T7704] netlink_rcv_skb+0x130/0x360 [ 1512.418347][ T7704] netlink_unicast+0x449/0x710 [ 1512.418347][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1512.418347][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1512.418347][ T7704] ___sys_sendmsg+0xee/0x170 [ 1512.418347][ T7704] __sys_sendmsg+0xcd/0x170 [ 1512.418347][ T7704] do_syscall_64+0xc6/0x1e0 [ 1512.418347][ T7704] [ 1512.420740][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1512.420740][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1512.420740][ T7704] ipv6_find_idev+0x102/0x170 [ 1512.420740][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1512.420740][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1512.420740][ T7704] netlink_rcv_skb+0x130/0x360 [ 1512.420740][ T7704] netlink_unicast+0x449/0x710 [ 1512.420740][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1512.420740][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1512.420740][ T7704] ___sys_sendmsg+0xee/0x170 [ 1512.420740][ T7704] __sys_sendmsg+0xcd/0x170 [ 1512.420740][ T7704] do_syscall_64+0xc6/0x1e0 [ 1512.420740][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1512.420740][ T7704] [ 1512.422659][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1512.422659][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1512.422659][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1512.422659][ T7704] ipv6_find_idev+0x102/0x170 [ 1512.422659][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1512.422659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1512.422659][ T7704] netlink_rcv_skb+0x130/0x360 [ 1512.422659][ T7704] netlink_unicast+0x449/0x710 [ 1512.422659][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1512.422659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1512.422659][ T7704] ___sys_sendmsg+0xee/0x170 [ 1512.422659][ T7704] __sys_sendmsg+0xcd/0x170 [ 1512.422659][ T7704] do_syscall_64+0xc6/0x1e0 [ 1512.422659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1512.422659][ T7704] [ 1522.660858][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1522.661434][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1522.661434][ T7704] netdev_get_by_index+0x5e/0x80 [ 1522.661434][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1522.661434][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1522.661434][ T7704] ip6_route_add+0x1c/0x140 [ 1522.661434][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1522.661434][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1522.661434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1522.661434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1522.661434][ T7704] netlink_rcv_skb+0x130/0x360 [ 1522.661434][ T7704] netlink_unicast+0x449/0x710 [ 1522.661434][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1522.661434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1522.661434][ T7704] ___sys_sendmsg+0xee/0x170 [ 1522.661434][ T7704] __sys_sendmsg+0xcd/0x170 [ 1522.661434][ T7704] do_syscall_64+0xc6/0x1e0 [ 1522.661434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1522.661434][ T7704] [ 1522.663920][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1522.663920][ T7704] netdev_get_by_index+0x5e/0x80 [ 1522.663920][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1522.663920][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1522.663920][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1522.663920][ T7704] ipv6_add_addr+0x411/0x2000 [ 1522.663920][ T7704] inet6_addr_add+0x30e/0xa40 [ 1522.663920][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1522.663920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1522.663920][ T7704] netlink_rcv_skb+0x130/0x360 [ 1522.663920][ T7704] netlink_unicast+0x449/0x710 [ 1522.663920][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1522.663920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1522.663920][ T7704] ___sys_sendmsg+0xee/0x170 [ 1522.663920][ T7704] __sys_sendmsg+0xcd/0x170 [ 1522.663920][ T7704] do_syscall_64+0xc6/0x1e0 [ 1522.663920][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1522.663920][ T7704] [ 1522.666355][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1522.666355][ T7704] netdev_get_by_index+0x5e/0x80 [ 1522.666355][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1522.666355][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1522.666355][ T7704] ip6_route_add+0x1c/0x140 [ 1522.666355][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1522.666355][ T7704] addrconf_add_dev+0xe2/0x170 [ 1522.666355][ T7704] inet6_addr_add+0x12f/0xa40 [ 1522.666355][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1522.666355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1522.666355][ T7704] netlink_rcv_skb+0x130/0x360 [ 1522.666355][ T7704] netlink_unicast+0x449/0x710 [ 1522.666355][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1522.666355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1522.666355][ T7704] ___sys_sendmsg+0xee/0x170 [ 1522.666355][ T7704] __sys_sendmsg+0xcd/0x170 [ 1522.666355][ T7704] do_syscall_64+0xc6/0x1e0 [ 1522.666355][ T7704] [ 1522.668924][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1522.668924][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1522.668924][ T7704] ipv6_find_idev+0x102/0x170 [ 1522.668924][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1522.668924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1522.668924][ T7704] netlink_rcv_skb+0x130/0x360 [ 1522.668924][ T7704] netlink_unicast+0x449/0x710 [ 1522.668924][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1522.668924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1522.668924][ T7704] ___sys_sendmsg+0xee/0x170 [ 1522.668924][ T7704] __sys_sendmsg+0xcd/0x170 [ 1522.668924][ T7704] do_syscall_64+0xc6/0x1e0 [ 1522.668924][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1522.668924][ T7704] [ 1522.670805][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1522.670805][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1522.670805][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1522.670805][ T7704] ipv6_find_idev+0x102/0x170 [ 1522.670805][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1522.670805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1522.670805][ T7704] netlink_rcv_skb+0x130/0x360 [ 1522.670805][ T7704] netlink_unicast+0x449/0x710 [ 1522.670805][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1522.670805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1522.670805][ T7704] ___sys_sendmsg+0xee/0x170 [ 1522.670805][ T7704] __sys_sendmsg+0xcd/0x170 [ 1522.670805][ T7704] do_syscall_64+0xc6/0x1e0 [ 1522.670805][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1522.670805][ T7704] [ 1532.724825][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1532.725369][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1532.725369][ T7704] netdev_get_by_index+0x5e/0x80 [ 1532.725369][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1532.725369][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1532.725369][ T7704] ip6_route_add+0x1c/0x140 [ 1532.725369][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1532.725369][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1532.725369][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1532.725369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1532.725369][ T7704] netlink_rcv_skb+0x130/0x360 [ 1532.725369][ T7704] netlink_unicast+0x449/0x710 [ 1532.725369][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1532.725369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1532.725369][ T7704] ___sys_sendmsg+0xee/0x170 [ 1532.725369][ T7704] __sys_sendmsg+0xcd/0x170 [ 1532.725369][ T7704] do_syscall_64+0xc6/0x1e0 [ 1532.725369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1532.725369][ T7704] [ 1532.727621][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1532.727621][ T7704] netdev_get_by_index+0x5e/0x80 [ 1532.727621][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1532.727621][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1532.727621][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1532.727621][ T7704] ipv6_add_addr+0x411/0x2000 [ 1532.727621][ T7704] inet6_addr_add+0x30e/0xa40 [ 1532.727621][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1532.727621][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1532.727621][ T7704] netlink_rcv_skb+0x130/0x360 [ 1532.727621][ T7704] netlink_unicast+0x449/0x710 [ 1532.727621][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1532.727621][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1532.727621][ T7704] ___sys_sendmsg+0xee/0x170 [ 1532.727621][ T7704] __sys_sendmsg+0xcd/0x170 [ 1532.727621][ T7704] do_syscall_64+0xc6/0x1e0 [ 1532.727621][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1532.727621][ T7704] [ 1532.729854][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1532.729854][ T7704] netdev_get_by_index+0x5e/0x80 [ 1532.729854][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1532.729854][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1532.729854][ T7704] ip6_route_add+0x1c/0x140 [ 1532.729854][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1532.729854][ T7704] addrconf_add_dev+0xe2/0x170 [ 1532.729854][ T7704] inet6_addr_add+0x12f/0xa40 [ 1532.729854][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1532.729854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1532.729854][ T7704] netlink_rcv_skb+0x130/0x360 [ 1532.729854][ T7704] netlink_unicast+0x449/0x710 [ 1532.729854][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1532.729854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1532.729854][ T7704] ___sys_sendmsg+0xee/0x170 [ 1532.729854][ T7704] __sys_sendmsg+0xcd/0x170 [ 1532.729854][ T7704] do_syscall_64+0xc6/0x1e0 [ 1532.729854][ T7704] [ 1532.732139][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1532.732139][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1532.732139][ T7704] ipv6_find_idev+0x102/0x170 [ 1532.732139][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1532.732139][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1532.732139][ T7704] netlink_rcv_skb+0x130/0x360 [ 1532.732139][ T7704] netlink_unicast+0x449/0x710 [ 1532.732139][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1532.732139][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1532.732139][ T7704] ___sys_sendmsg+0xee/0x170 [ 1532.732139][ T7704] __sys_sendmsg+0xcd/0x170 [ 1532.732139][ T7704] do_syscall_64+0xc6/0x1e0 [ 1532.732139][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1532.732139][ T7704] [ 1532.733862][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1532.733862][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1532.733862][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1532.733862][ T7704] ipv6_find_idev+0x102/0x170 [ 1532.733862][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1532.733862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1532.733862][ T7704] netlink_rcv_skb+0x130/0x360 [ 1532.733862][ T7704] netlink_unicast+0x449/0x710 [ 1532.733862][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1532.733862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1532.733862][ T7704] ___sys_sendmsg+0xee/0x170 [ 1532.733862][ T7704] __sys_sendmsg+0xcd/0x170 [ 1532.733862][ T7704] do_syscall_64+0xc6/0x1e0 [ 1532.733862][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1532.733862][ T7704] [ 1542.972852][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1542.973286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1542.973286][ T7704] netdev_get_by_index+0x5e/0x80 [ 1542.973286][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1542.973286][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1542.973286][ T7704] ip6_route_add+0x1c/0x140 [ 1542.973286][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1542.973286][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1542.973286][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1542.973286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1542.973286][ T7704] netlink_rcv_skb+0x130/0x360 [ 1542.973286][ T7704] netlink_unicast+0x449/0x710 [ 1542.973286][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1542.973286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1542.973286][ T7704] ___sys_sendmsg+0xee/0x170 [ 1542.973286][ T7704] __sys_sendmsg+0xcd/0x170 [ 1542.973286][ T7704] do_syscall_64+0xc6/0x1e0 [ 1542.973286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1542.973286][ T7704] [ 1542.975530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1542.975530][ T7704] netdev_get_by_index+0x5e/0x80 [ 1542.975530][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1542.975530][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1542.975530][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1542.975530][ T7704] ipv6_add_addr+0x411/0x2000 [ 1542.975530][ T7704] inet6_addr_add+0x30e/0xa40 [ 1542.975530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1542.975530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1542.975530][ T7704] netlink_rcv_skb+0x130/0x360 [ 1542.975530][ T7704] netlink_unicast+0x449/0x710 [ 1542.975530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1542.975530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1542.975530][ T7704] ___sys_sendmsg+0xee/0x170 [ 1542.975530][ T7704] __sys_sendmsg+0xcd/0x170 [ 1542.975530][ T7704] do_syscall_64+0xc6/0x1e0 [ 1542.975530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1542.975530][ T7704] [ 1542.977729][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1542.977729][ T7704] netdev_get_by_index+0x5e/0x80 [ 1542.977729][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1542.977729][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1542.977729][ T7704] ip6_route_add+0x1c/0x140 [ 1542.977729][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1542.977729][ T7704] addrconf_add_dev+0xe2/0x170 [ 1542.977729][ T7704] inet6_addr_add+0x12f/0xa40 [ 1542.977729][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1542.977729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1542.977729][ T7704] netlink_rcv_skb+0x130/0x360 [ 1542.977729][ T7704] netlink_unicast+0x449/0x710 [ 1542.977729][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1542.977729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1542.977729][ T7704] ___sys_sendmsg+0xee/0x170 [ 1542.977729][ T7704] __sys_sendmsg+0xcd/0x170 [ 1542.977729][ T7704] do_syscall_64+0xc6/0x1e0 [ 1542.977729][ T7704] [ 1542.979895][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1542.979895][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1542.979895][ T7704] ipv6_find_idev+0x102/0x170 [ 1542.979895][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1542.979895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1542.979895][ T7704] netlink_rcv_skb+0x130/0x360 [ 1542.979895][ T7704] netlink_unicast+0x449/0x710 [ 1542.979895][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1542.979895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1542.979895][ T7704] ___sys_sendmsg+0xee/0x170 [ 1542.979895][ T7704] __sys_sendmsg+0xcd/0x170 [ 1542.979895][ T7704] do_syscall_64+0xc6/0x1e0 [ 1542.979895][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1542.979895][ T7704] [ 1542.981595][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1542.981595][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1542.981595][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1542.981595][ T7704] ipv6_find_idev+0x102/0x170 [ 1542.981595][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1542.981595][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1542.981595][ T7704] netlink_rcv_skb+0x130/0x360 [ 1542.981595][ T7704] netlink_unicast+0x449/0x710 [ 1542.981595][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1542.981595][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1542.981595][ T7704] ___sys_sendmsg+0xee/0x170 [ 1542.981595][ T7704] __sys_sendmsg+0xcd/0x170 [ 1542.981595][ T7704] do_syscall_64+0xc6/0x1e0 [ 1542.981595][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1542.981595][ T7704] [ 1553.220812][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1553.221231][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1553.221231][ T7704] netdev_get_by_index+0x5e/0x80 [ 1553.221231][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1553.221231][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1553.221231][ T7704] ip6_route_add+0x1c/0x140 [ 1553.221231][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1553.221231][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1553.221231][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1553.221231][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1553.221231][ T7704] netlink_rcv_skb+0x130/0x360 [ 1553.221231][ T7704] netlink_unicast+0x449/0x710 [ 1553.221231][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1553.221231][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1553.221231][ T7704] ___sys_sendmsg+0xee/0x170 [ 1553.221231][ T7704] __sys_sendmsg+0xcd/0x170 [ 1553.221231][ T7704] do_syscall_64+0xc6/0x1e0 [ 1553.221231][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1553.221231][ T7704] [ 1553.223483][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1553.223483][ T7704] netdev_get_by_index+0x5e/0x80 [ 1553.223483][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1553.223483][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1553.223483][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1553.223483][ T7704] ipv6_add_addr+0x411/0x2000 [ 1553.223483][ T7704] inet6_addr_add+0x30e/0xa40 [ 1553.223483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1553.223483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1553.223483][ T7704] netlink_rcv_skb+0x130/0x360 [ 1553.223483][ T7704] netlink_unicast+0x449/0x710 [ 1553.223483][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1553.223483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1553.223483][ T7704] ___sys_sendmsg+0xee/0x170 [ 1553.223483][ T7704] __sys_sendmsg+0xcd/0x170 [ 1553.223483][ T7704] do_syscall_64+0xc6/0x1e0 [ 1553.223483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1553.223483][ T7704] [ 1553.225725][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1553.225725][ T7704] netdev_get_by_index+0x5e/0x80 [ 1553.225725][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1553.225725][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1553.225725][ T7704] ip6_route_add+0x1c/0x140 [ 1553.225725][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1553.225725][ T7704] addrconf_add_dev+0xe2/0x170 [ 1553.225725][ T7704] inet6_addr_add+0x12f/0xa40 [ 1553.225725][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1553.225725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1553.225725][ T7704] netlink_rcv_skb+0x130/0x360 [ 1553.225725][ T7704] netlink_unicast+0x449/0x710 [ 1553.225725][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1553.225725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1553.225725][ T7704] ___sys_sendmsg+0xee/0x170 [ 1553.225725][ T7704] __sys_sendmsg+0xcd/0x170 [ 1553.225725][ T7704] do_syscall_64+0xc6/0x1e0 [ 1553.225725][ T7704] [ 1553.227889][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1553.227889][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1553.227889][ T7704] ipv6_find_idev+0x102/0x170 [ 1553.227889][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1553.227889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1553.227889][ T7704] netlink_rcv_skb+0x130/0x360 [ 1553.227889][ T7704] netlink_unicast+0x449/0x710 [ 1553.227889][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1553.227889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1553.227889][ T7704] ___sys_sendmsg+0xee/0x170 [ 1553.227889][ T7704] __sys_sendmsg+0xcd/0x170 [ 1553.227889][ T7704] do_syscall_64+0xc6/0x1e0 [ 1553.227889][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1553.227889][ T7704] [ 1553.229578][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1553.229578][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1553.229578][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1553.229578][ T7704] ipv6_find_idev+0x102/0x170 [ 1553.229578][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1553.229578][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1553.229578][ T7704] netlink_rcv_skb+0x130/0x360 [ 1553.229578][ T7704] netlink_unicast+0x449/0x710 [ 1553.229578][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1553.229578][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1553.229578][ T7704] ___sys_sendmsg+0xee/0x170 [ 1553.229578][ T7704] __sys_sendmsg+0xcd/0x170 [ 1553.229578][ T7704] do_syscall_64+0xc6/0x1e0 [ 1553.229578][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1553.229578][ T7704] [ 1563.468822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1563.469251][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1563.469251][ T7704] netdev_get_by_index+0x5e/0x80 [ 1563.469251][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1563.469251][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1563.469251][ T7704] ip6_route_add+0x1c/0x140 [ 1563.469251][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1563.469251][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1563.469251][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1563.469251][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1563.469251][ T7704] netlink_rcv_skb+0x130/0x360 [ 1563.469251][ T7704] netlink_unicast+0x449/0x710 [ 1563.469251][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1563.469251][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1563.469251][ T7704] ___sys_sendmsg+0xee/0x170 [ 1563.469251][ T7704] __sys_sendmsg+0xcd/0x170 [ 1563.469251][ T7704] do_syscall_64+0xc6/0x1e0 [ 1563.469251][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1563.469251][ T7704] [ 1563.471525][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1563.471525][ T7704] netdev_get_by_index+0x5e/0x80 [ 1563.471525][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1563.471525][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1563.471525][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1563.471525][ T7704] ipv6_add_addr+0x411/0x2000 [ 1563.471525][ T7704] inet6_addr_add+0x30e/0xa40 [ 1563.471525][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1563.471525][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1563.471525][ T7704] netlink_rcv_skb+0x130/0x360 [ 1563.471525][ T7704] netlink_unicast+0x449/0x710 [ 1563.471525][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1563.471525][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1563.471525][ T7704] ___sys_sendmsg+0xee/0x170 [ 1563.471525][ T7704] __sys_sendmsg+0xcd/0x170 [ 1563.471525][ T7704] do_syscall_64+0xc6/0x1e0 [ 1563.471525][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1563.471525][ T7704] [ 1563.473739][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1563.473739][ T7704] netdev_get_by_index+0x5e/0x80 [ 1563.473739][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1563.473739][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1563.473739][ T7704] ip6_route_add+0x1c/0x140 [ 1563.473739][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1563.473739][ T7704] addrconf_add_dev+0xe2/0x170 [ 1563.473739][ T7704] inet6_addr_add+0x12f/0xa40 [ 1563.473739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1563.473739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1563.473739][ T7704] netlink_rcv_skb+0x130/0x360 [ 1563.473739][ T7704] netlink_unicast+0x449/0x710 [ 1563.473739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1563.473739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1563.473739][ T7704] ___sys_sendmsg+0xee/0x170 [ 1563.473739][ T7704] __sys_sendmsg+0xcd/0x170 [ 1563.473739][ T7704] do_syscall_64+0xc6/0x1e0 [ 1563.473739][ T7704] [ 1563.475911][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1563.475911][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1563.475911][ T7704] ipv6_find_idev+0x102/0x170 [ 1563.475911][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1563.475911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1563.475911][ T7704] netlink_rcv_skb+0x130/0x360 [ 1563.475911][ T7704] netlink_unicast+0x449/0x710 [ 1563.475911][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1563.475911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1563.475911][ T7704] ___sys_sendmsg+0xee/0x170 [ 1563.475911][ T7704] __sys_sendmsg+0xcd/0x170 [ 1563.475911][ T7704] do_syscall_64+0xc6/0x1e0 [ 1563.475911][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1563.475911][ T7704] [ 1563.477612][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1563.477612][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1563.477612][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1563.477612][ T7704] ipv6_find_idev+0x102/0x170 [ 1563.477612][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1563.477612][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1563.477612][ T7704] netlink_rcv_skb+0x130/0x360 [ 1563.477612][ T7704] netlink_unicast+0x449/0x710 [ 1563.477612][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1563.477612][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1563.477612][ T7704] ___sys_sendmsg+0xee/0x170 [ 1563.477612][ T7704] __sys_sendmsg+0xcd/0x170 [ 1563.477612][ T7704] do_syscall_64+0xc6/0x1e0 [ 1563.477612][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1563.477612][ T7704] [ 1573.724839][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1573.725495][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1573.725495][ T7704] netdev_get_by_index+0x5e/0x80 [ 1573.725495][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1573.725495][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1573.725495][ T7704] ip6_route_add+0x1c/0x140 [ 1573.725495][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1573.725495][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1573.725495][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1573.725495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1573.725495][ T7704] netlink_rcv_skb+0x130/0x360 [ 1573.725495][ T7704] netlink_unicast+0x449/0x710 [ 1573.725495][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1573.725495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1573.725495][ T7704] ___sys_sendmsg+0xee/0x170 [ 1573.725495][ T7704] __sys_sendmsg+0xcd/0x170 [ 1573.725495][ T7704] do_syscall_64+0xc6/0x1e0 [ 1573.725495][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1573.725495][ T7704] [ 1573.727798][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1573.727798][ T7704] netdev_get_by_index+0x5e/0x80 [ 1573.727798][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1573.727798][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1573.727798][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1573.727798][ T7704] ipv6_add_addr+0x411/0x2000 [ 1573.727798][ T7704] inet6_addr_add+0x30e/0xa40 [ 1573.727798][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1573.727798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1573.727798][ T7704] netlink_rcv_skb+0x130/0x360 [ 1573.727798][ T7704] netlink_unicast+0x449/0x710 [ 1573.727798][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1573.727798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1573.727798][ T7704] ___sys_sendmsg+0xee/0x170 [ 1573.727798][ T7704] __sys_sendmsg+0xcd/0x170 [ 1573.727798][ T7704] do_syscall_64+0xc6/0x1e0 [ 1573.727798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1573.727798][ T7704] [ 1573.730049][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1573.730049][ T7704] netdev_get_by_index+0x5e/0x80 [ 1573.730049][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1573.730049][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1573.730049][ T7704] ip6_route_add+0x1c/0x140 [ 1573.730049][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1573.730049][ T7704] addrconf_add_dev+0xe2/0x170 [ 1573.730049][ T7704] inet6_addr_add+0x12f/0xa40 [ 1573.730049][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1573.730049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1573.730049][ T7704] netlink_rcv_skb+0x130/0x360 [ 1573.730049][ T7704] netlink_unicast+0x449/0x710 [ 1573.730049][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1573.730049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1573.730049][ T7704] ___sys_sendmsg+0xee/0x170 [ 1573.730049][ T7704] __sys_sendmsg+0xcd/0x170 [ 1573.730049][ T7704] do_syscall_64+0xc6/0x1e0 [ 1573.730049][ T7704] [ 1573.732270][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1573.732270][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1573.732270][ T7704] ipv6_find_idev+0x102/0x170 [ 1573.732270][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1573.732270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1573.732270][ T7704] netlink_rcv_skb+0x130/0x360 [ 1573.732270][ T7704] netlink_unicast+0x449/0x710 [ 1573.732270][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1573.732270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1573.732270][ T7704] ___sys_sendmsg+0xee/0x170 [ 1573.732270][ T7704] __sys_sendmsg+0xcd/0x170 [ 1573.732270][ T7704] do_syscall_64+0xc6/0x1e0 [ 1573.732270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1573.732270][ T7704] [ 1573.734015][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1573.734015][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1573.734015][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1573.734015][ T7704] ipv6_find_idev+0x102/0x170 [ 1573.734015][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1573.734015][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1573.734015][ T7704] netlink_rcv_skb+0x130/0x360 [ 1573.734015][ T7704] netlink_unicast+0x449/0x710 [ 1573.734015][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1573.734015][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1573.734015][ T7704] ___sys_sendmsg+0xee/0x170 [ 1573.734015][ T7704] __sys_sendmsg+0xcd/0x170 [ 1573.734015][ T7704] do_syscall_64+0xc6/0x1e0 [ 1573.734015][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1573.734015][ T7704] [ 1583.844913][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1583.845847][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1583.845847][ T7704] netdev_get_by_index+0x5e/0x80 [ 1583.845847][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1583.845847][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1583.845847][ T7704] ip6_route_add+0x1c/0x140 [ 1583.845847][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1583.845847][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1583.845847][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1583.845847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.845847][ T7704] netlink_rcv_skb+0x130/0x360 [ 1583.845847][ T7704] netlink_unicast+0x449/0x710 [ 1583.845847][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1583.845847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1583.845847][ T7704] ___sys_sendmsg+0xee/0x170 [ 1583.845847][ T7704] __sys_sendmsg+0xcd/0x170 [ 1583.845847][ T7704] do_syscall_64+0xc6/0x1e0 [ 1583.845847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1583.845847][ T7704] [ 1583.848711][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1583.848711][ T7704] netdev_get_by_index+0x5e/0x80 [ 1583.848711][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1583.848711][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1583.848711][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1583.848711][ T7704] ipv6_add_addr+0x411/0x2000 [ 1583.848711][ T7704] inet6_addr_add+0x30e/0xa40 [ 1583.848711][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1583.848711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.848711][ T7704] netlink_rcv_skb+0x130/0x360 [ 1583.848711][ T7704] netlink_unicast+0x449/0x710 [ 1583.848711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1583.848711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1583.848711][ T7704] ___sys_sendmsg+0xee/0x170 [ 1583.848711][ T7704] __sys_sendmsg+0xcd/0x170 [ 1583.848711][ T7704] do_syscall_64+0xc6/0x1e0 [ 1583.848711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1583.848711][ T7704] [ 1583.851183][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1583.851183][ T7704] netdev_get_by_index+0x5e/0x80 [ 1583.851183][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1583.851183][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1583.851183][ T7704] ip6_route_add+0x1c/0x140 [ 1583.851183][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1583.851183][ T7704] addrconf_add_dev+0xe2/0x170 [ 1583.851183][ T7704] inet6_addr_add+0x12f/0xa40 [ 1583.851183][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1583.851183][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.851183][ T7704] netlink_rcv_skb+0x130/0x360 [ 1583.851183][ T7704] netlink_unicast+0x449/0x710 [ 1583.851183][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1583.851183][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1583.851183][ T7704] ___sys_sendmsg+0xee/0x170 [ 1583.851183][ T7704] __sys_sendmsg+0xcd/0x170 [ 1583.851183][ T7704] do_syscall_64+0xc6/0x1e0 [ 1583.851183][ T7704] [ 1583.853659][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1583.853659][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1583.853659][ T7704] ipv6_find_idev+0x102/0x170 [ 1583.853659][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1583.853659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.853659][ T7704] netlink_rcv_skb+0x130/0x360 [ 1583.853659][ T7704] netlink_unicast+0x449/0x710 [ 1583.853659][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1583.853659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1583.853659][ T7704] ___sys_sendmsg+0xee/0x170 [ 1583.853659][ T7704] __sys_sendmsg+0xcd/0x170 [ 1583.853659][ T7704] do_syscall_64+0xc6/0x1e0 [ 1583.853659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1583.853659][ T7704] [ 1583.855566][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1583.855566][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1583.855566][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1583.855566][ T7704] ipv6_find_idev+0x102/0x170 [ 1583.855566][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1583.855566][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.855566][ T7704] netlink_rcv_skb+0x130/0x360 [ 1583.855566][ T7704] netlink_unicast+0x449/0x710 [ 1583.855566][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1583.855566][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1583.855566][ T7704] ___sys_sendmsg+0xee/0x170 [ 1583.855566][ T7704] __sys_sendmsg+0xcd/0x170 [ 1583.855566][ T7704] do_syscall_64+0xc6/0x1e0 [ 1583.855566][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1583.855566][ T7704] [ 1593.916893][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1593.917446][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1593.917446][ T7704] netdev_get_by_index+0x5e/0x80 [ 1593.917446][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1593.917446][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1593.917446][ T7704] ip6_route_add+0x1c/0x140 [ 1593.917446][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1593.917446][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1593.917446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1593.917446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.917446][ T7704] netlink_rcv_skb+0x130/0x360 [ 1593.917446][ T7704] netlink_unicast+0x449/0x710 [ 1593.917446][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1593.917446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1593.917446][ T7704] ___sys_sendmsg+0xee/0x170 [ 1593.917446][ T7704] __sys_sendmsg+0xcd/0x170 [ 1593.917446][ T7704] do_syscall_64+0xc6/0x1e0 [ 1593.917446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.917446][ T7704] [ 1593.919681][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1593.919681][ T7704] netdev_get_by_index+0x5e/0x80 [ 1593.919681][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1593.919681][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1593.919681][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1593.919681][ T7704] ipv6_add_addr+0x411/0x2000 [ 1593.919681][ T7704] inet6_addr_add+0x30e/0xa40 [ 1593.919681][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1593.919681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.919681][ T7704] netlink_rcv_skb+0x130/0x360 [ 1593.919681][ T7704] netlink_unicast+0x449/0x710 [ 1593.919681][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1593.919681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1593.919681][ T7704] ___sys_sendmsg+0xee/0x170 [ 1593.919681][ T7704] __sys_sendmsg+0xcd/0x170 [ 1593.919681][ T7704] do_syscall_64+0xc6/0x1e0 [ 1593.919681][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.919681][ T7704] [ 1593.921889][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1593.921889][ T7704] netdev_get_by_index+0x5e/0x80 [ 1593.921889][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1593.921889][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1593.921889][ T7704] ip6_route_add+0x1c/0x140 [ 1593.921889][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1593.921889][ T7704] addrconf_add_dev+0xe2/0x170 [ 1593.921889][ T7704] inet6_addr_add+0x12f/0xa40 [ 1593.921889][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1593.921889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.921889][ T7704] netlink_rcv_skb+0x130/0x360 [ 1593.921889][ T7704] netlink_unicast+0x449/0x710 [ 1593.921889][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1593.921889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1593.921889][ T7704] ___sys_sendmsg+0xee/0x170 [ 1593.921889][ T7704] __sys_sendmsg+0xcd/0x170 [ 1593.921889][ T7704] do_syscall_64+0xc6/0x1e0 [ 1593.921889][ T7704] [ 1593.924089][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1593.924089][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1593.924089][ T7704] ipv6_find_idev+0x102/0x170 [ 1593.924089][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1593.924089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.924089][ T7704] netlink_rcv_skb+0x130/0x360 [ 1593.924089][ T7704] netlink_unicast+0x449/0x710 [ 1593.924089][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1593.924089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1593.924089][ T7704] ___sys_sendmsg+0xee/0x170 [ 1593.924089][ T7704] __sys_sendmsg+0xcd/0x170 [ 1593.924089][ T7704] do_syscall_64+0xc6/0x1e0 [ 1593.924089][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.924089][ T7704] [ 1593.925789][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1593.925789][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1593.925789][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1593.925789][ T7704] ipv6_find_idev+0x102/0x170 [ 1593.925789][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1593.925789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.925789][ T7704] netlink_rcv_skb+0x130/0x360 [ 1593.925789][ T7704] netlink_unicast+0x449/0x710 [ 1593.925789][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1593.925789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1593.925789][ T7704] ___sys_sendmsg+0xee/0x170 [ 1593.925789][ T7704] __sys_sendmsg+0xcd/0x170 [ 1593.925789][ T7704] do_syscall_64+0xc6/0x1e0 [ 1593.925789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.925789][ T7704] [ 1603.996841][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1603.997674][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1603.997674][ T7704] netdev_get_by_index+0x5e/0x80 [ 1603.997674][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1603.997674][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1603.997674][ T7704] ip6_route_add+0x1c/0x140 [ 1603.997674][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1603.997674][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1603.997674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1603.997674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.997674][ T7704] netlink_rcv_skb+0x130/0x360 [ 1603.997674][ T7704] netlink_unicast+0x449/0x710 [ 1603.997674][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1603.997674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1603.997674][ T7704] ___sys_sendmsg+0xee/0x170 [ 1603.997674][ T7704] __sys_sendmsg+0xcd/0x170 [ 1603.997674][ T7704] do_syscall_64+0xc6/0x1e0 [ 1603.997674][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.997674][ T7704] [ 1604.000106][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1604.000106][ T7704] netdev_get_by_index+0x5e/0x80 [ 1604.000106][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1604.000106][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1604.000106][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1604.000106][ T7704] ipv6_add_addr+0x411/0x2000 [ 1604.000106][ T7704] inet6_addr_add+0x30e/0xa40 [ 1604.000106][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1604.000106][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1604.000106][ T7704] netlink_rcv_skb+0x130/0x360 [ 1604.000106][ T7704] netlink_unicast+0x449/0x710 [ 1604.000106][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1604.000106][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1604.000106][ T7704] ___sys_sendmsg+0xee/0x170 [ 1604.000106][ T7704] __sys_sendmsg+0xcd/0x170 [ 1604.000106][ T7704] do_syscall_64+0xc6/0x1e0 [ 1604.000106][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1604.000106][ T7704] [ 1604.002499][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1604.002499][ T7704] netdev_get_by_index+0x5e/0x80 [ 1604.002499][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1604.002499][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1604.002499][ T7704] ip6_route_add+0x1c/0x140 [ 1604.002499][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1604.002499][ T7704] addrconf_add_dev+0xe2/0x170 [ 1604.002499][ T7704] inet6_addr_add+0x12f/0xa40 [ 1604.002499][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1604.002499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1604.002499][ T7704] netlink_rcv_skb+0x130/0x360 [ 1604.002499][ T7704] netlink_unicast+0x449/0x710 [ 1604.002499][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1604.002499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1604.002499][ T7704] ___sys_sendmsg+0xee/0x170 [ 1604.002499][ T7704] __sys_sendmsg+0xcd/0x170 [ 1604.002499][ T7704] do_syscall_64+0xc6/0x1e0 [ 1604.002499][ T7704] [ 1604.004854][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1604.004854][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1604.004854][ T7704] ipv6_find_idev+0x102/0x170 [ 1604.004854][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1604.004854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1604.004854][ T7704] netlink_rcv_skb+0x130/0x360 [ 1604.004854][ T7704] netlink_unicast+0x449/0x710 [ 1604.004854][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1604.004854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1604.004854][ T7704] ___sys_sendmsg+0xee/0x170 [ 1604.004854][ T7704] __sys_sendmsg+0xcd/0x170 [ 1604.004854][ T7704] do_syscall_64+0xc6/0x1e0 [ 1604.004854][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1604.004854][ T7704] [ 1604.006684][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1604.006684][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1604.006684][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1604.006684][ T7704] ipv6_find_idev+0x102/0x170 [ 1604.006684][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1604.006684][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1604.006684][ T7704] netlink_rcv_skb+0x130/0x360 [ 1604.006684][ T7704] netlink_unicast+0x449/0x710 [ 1604.006684][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1604.006684][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1604.006684][ T7704] ___sys_sendmsg+0xee/0x170 [ 1604.006684][ T7704] __sys_sendmsg+0xcd/0x170 [ 1604.006684][ T7704] do_syscall_64+0xc6/0x1e0 [ 1604.006684][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1604.006684][ T7704] [ 1614.244833][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1614.245304][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1614.245304][ T7704] netdev_get_by_index+0x5e/0x80 [ 1614.245304][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1614.245304][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1614.245304][ T7704] ip6_route_add+0x1c/0x140 [ 1614.245304][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1614.245304][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1614.245304][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1614.245304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1614.245304][ T7704] netlink_rcv_skb+0x130/0x360 [ 1614.245304][ T7704] netlink_unicast+0x449/0x710 [ 1614.245304][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1614.245304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1614.245304][ T7704] ___sys_sendmsg+0xee/0x170 [ 1614.245304][ T7704] __sys_sendmsg+0xcd/0x170 [ 1614.245304][ T7704] do_syscall_64+0xc6/0x1e0 [ 1614.245304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1614.245304][ T7704] [ 1614.247716][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1614.247716][ T7704] netdev_get_by_index+0x5e/0x80 [ 1614.247716][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1614.247716][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1614.247716][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1614.247716][ T7704] ipv6_add_addr+0x411/0x2000 [ 1614.247716][ T7704] inet6_addr_add+0x30e/0xa40 [ 1614.247716][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1614.247716][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1614.247716][ T7704] netlink_rcv_skb+0x130/0x360 [ 1614.247716][ T7704] netlink_unicast+0x449/0x710 [ 1614.247716][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1614.247716][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1614.247716][ T7704] ___sys_sendmsg+0xee/0x170 [ 1614.247716][ T7704] __sys_sendmsg+0xcd/0x170 [ 1614.247716][ T7704] do_syscall_64+0xc6/0x1e0 [ 1614.247716][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1614.247716][ T7704] [ 1614.249926][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1614.249926][ T7704] netdev_get_by_index+0x5e/0x80 [ 1614.249926][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1614.249926][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1614.249926][ T7704] ip6_route_add+0x1c/0x140 [ 1614.249926][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1614.249926][ T7704] addrconf_add_dev+0xe2/0x170 [ 1614.249926][ T7704] inet6_addr_add+0x12f/0xa40 [ 1614.249926][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1614.249926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1614.249926][ T7704] netlink_rcv_skb+0x130/0x360 [ 1614.249926][ T7704] netlink_unicast+0x449/0x710 [ 1614.249926][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1614.249926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1614.249926][ T7704] ___sys_sendmsg+0xee/0x170 [ 1614.249926][ T7704] __sys_sendmsg+0xcd/0x170 [ 1614.249926][ T7704] do_syscall_64+0xc6/0x1e0 [ 1614.249926][ T7704] [ 1614.252089][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1614.252089][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1614.252089][ T7704] ipv6_find_idev+0x102/0x170 [ 1614.252089][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1614.252089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1614.252089][ T7704] netlink_rcv_skb+0x130/0x360 [ 1614.252089][ T7704] netlink_unicast+0x449/0x710 [ 1614.252089][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1614.252089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1614.252089][ T7704] ___sys_sendmsg+0xee/0x170 [ 1614.252089][ T7704] __sys_sendmsg+0xcd/0x170 [ 1614.252089][ T7704] do_syscall_64+0xc6/0x1e0 [ 1614.252089][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1614.252089][ T7704] [ 1614.253798][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1614.253798][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1614.253798][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1614.253798][ T7704] ipv6_find_idev+0x102/0x170 [ 1614.253798][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1614.253798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1614.253798][ T7704] netlink_rcv_skb+0x130/0x360 [ 1614.253798][ T7704] netlink_unicast+0x449/0x710 [ 1614.253798][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1614.253798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1614.253798][ T7704] ___sys_sendmsg+0xee/0x170 [ 1614.253798][ T7704] __sys_sendmsg+0xcd/0x170 [ 1614.253798][ T7704] do_syscall_64+0xc6/0x1e0 [ 1614.253798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1614.253798][ T7704] [ 1624.492796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1624.493254][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1624.493254][ T7704] netdev_get_by_index+0x5e/0x80 [ 1624.493254][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1624.493254][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1624.493254][ T7704] ip6_route_add+0x1c/0x140 [ 1624.493254][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1624.493254][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1624.493254][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1624.493254][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.493254][ T7704] netlink_rcv_skb+0x130/0x360 [ 1624.493254][ T7704] netlink_unicast+0x449/0x710 [ 1624.493254][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1624.493254][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1624.493254][ T7704] ___sys_sendmsg+0xee/0x170 [ 1624.493254][ T7704] __sys_sendmsg+0xcd/0x170 [ 1624.493254][ T7704] do_syscall_64+0xc6/0x1e0 [ 1624.493254][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.493254][ T7704] [ 1624.495487][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1624.495487][ T7704] netdev_get_by_index+0x5e/0x80 [ 1624.495487][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1624.495487][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1624.495487][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1624.495487][ T7704] ipv6_add_addr+0x411/0x2000 [ 1624.495487][ T7704] inet6_addr_add+0x30e/0xa40 [ 1624.495487][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1624.495487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.495487][ T7704] netlink_rcv_skb+0x130/0x360 [ 1624.495487][ T7704] netlink_unicast+0x449/0x710 [ 1624.495487][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1624.495487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1624.495487][ T7704] ___sys_sendmsg+0xee/0x170 [ 1624.495487][ T7704] __sys_sendmsg+0xcd/0x170 [ 1624.495487][ T7704] do_syscall_64+0xc6/0x1e0 [ 1624.495487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.495487][ T7704] [ 1624.497703][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1624.497703][ T7704] netdev_get_by_index+0x5e/0x80 [ 1624.497703][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1624.497703][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1624.497703][ T7704] ip6_route_add+0x1c/0x140 [ 1624.497703][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1624.497703][ T7704] addrconf_add_dev+0xe2/0x170 [ 1624.497703][ T7704] inet6_addr_add+0x12f/0xa40 [ 1624.497703][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1624.497703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.497703][ T7704] netlink_rcv_skb+0x130/0x360 [ 1624.497703][ T7704] netlink_unicast+0x449/0x710 [ 1624.497703][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1624.497703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1624.497703][ T7704] ___sys_sendmsg+0xee/0x170 [ 1624.497703][ T7704] __sys_sendmsg+0xcd/0x170 [ 1624.497703][ T7704] do_syscall_64+0xc6/0x1e0 [ 1624.497703][ T7704] [ 1624.499881][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1624.499881][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1624.499881][ T7704] ipv6_find_idev+0x102/0x170 [ 1624.499881][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1624.499881][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.499881][ T7704] netlink_rcv_skb+0x130/0x360 [ 1624.499881][ T7704] netlink_unicast+0x449/0x710 [ 1624.499881][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1624.499881][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1624.499881][ T7704] ___sys_sendmsg+0xee/0x170 [ 1624.499881][ T7704] __sys_sendmsg+0xcd/0x170 [ 1624.499881][ T7704] do_syscall_64+0xc6/0x1e0 [ 1624.499881][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.499881][ T7704] [ 1624.501583][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1624.501583][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1624.501583][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1624.501583][ T7704] ipv6_find_idev+0x102/0x170 [ 1624.501583][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1624.501583][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.501583][ T7704] netlink_rcv_skb+0x130/0x360 [ 1624.501583][ T7704] netlink_unicast+0x449/0x710 [ 1624.501583][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1624.501583][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1624.501583][ T7704] ___sys_sendmsg+0xee/0x170 [ 1624.501583][ T7704] __sys_sendmsg+0xcd/0x170 [ 1624.501583][ T7704] do_syscall_64+0xc6/0x1e0 [ 1624.501583][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.501583][ T7704] [ 1634.740893][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1634.741373][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1634.741373][ T7704] netdev_get_by_index+0x5e/0x80 [ 1634.741373][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1634.741373][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1634.741373][ T7704] ip6_route_add+0x1c/0x140 [ 1634.741373][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1634.741373][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1634.741373][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1634.741373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.741373][ T7704] netlink_rcv_skb+0x130/0x360 [ 1634.741373][ T7704] netlink_unicast+0x449/0x710 [ 1634.741373][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1634.741373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1634.741373][ T7704] ___sys_sendmsg+0xee/0x170 [ 1634.741373][ T7704] __sys_sendmsg+0xcd/0x170 [ 1634.741373][ T7704] do_syscall_64+0xc6/0x1e0 [ 1634.741373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1634.741373][ T7704] [ 1634.743663][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1634.743663][ T7704] netdev_get_by_index+0x5e/0x80 [ 1634.743663][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1634.743663][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1634.743663][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1634.743663][ T7704] ipv6_add_addr+0x411/0x2000 [ 1634.743663][ T7704] inet6_addr_add+0x30e/0xa40 [ 1634.743663][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1634.743663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.743663][ T7704] netlink_rcv_skb+0x130/0x360 [ 1634.743663][ T7704] netlink_unicast+0x449/0x710 [ 1634.743663][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1634.743663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1634.743663][ T7704] ___sys_sendmsg+0xee/0x170 [ 1634.743663][ T7704] __sys_sendmsg+0xcd/0x170 [ 1634.743663][ T7704] do_syscall_64+0xc6/0x1e0 [ 1634.743663][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1634.743663][ T7704] [ 1634.745875][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1634.745875][ T7704] netdev_get_by_index+0x5e/0x80 [ 1634.745875][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1634.745875][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1634.745875][ T7704] ip6_route_add+0x1c/0x140 [ 1634.745875][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1634.745875][ T7704] addrconf_add_dev+0xe2/0x170 [ 1634.745875][ T7704] inet6_addr_add+0x12f/0xa40 [ 1634.745875][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1634.745875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.745875][ T7704] netlink_rcv_skb+0x130/0x360 [ 1634.745875][ T7704] netlink_unicast+0x449/0x710 [ 1634.745875][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1634.745875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1634.745875][ T7704] ___sys_sendmsg+0xee/0x170 [ 1634.745875][ T7704] __sys_sendmsg+0xcd/0x170 [ 1634.745875][ T7704] do_syscall_64+0xc6/0x1e0 [ 1634.745875][ T7704] [ 1634.748067][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1634.748067][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1634.748067][ T7704] ipv6_find_idev+0x102/0x170 [ 1634.748067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1634.748067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.748067][ T7704] netlink_rcv_skb+0x130/0x360 [ 1634.748067][ T7704] netlink_unicast+0x449/0x710 [ 1634.748067][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1634.748067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1634.748067][ T7704] ___sys_sendmsg+0xee/0x170 [ 1634.748067][ T7704] __sys_sendmsg+0xcd/0x170 [ 1634.748067][ T7704] do_syscall_64+0xc6/0x1e0 [ 1634.748067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1634.748067][ T7704] [ 1634.750854][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1634.750854][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1634.750854][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1634.750854][ T7704] ipv6_find_idev+0x102/0x170 [ 1634.750854][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1634.750854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.750854][ T7704] netlink_rcv_skb+0x130/0x360 [ 1634.750854][ T7704] netlink_unicast+0x449/0x710 [ 1634.750854][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1634.750854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1634.750854][ T7704] ___sys_sendmsg+0xee/0x170 [ 1634.750854][ T7704] __sys_sendmsg+0xcd/0x170 [ 1634.750854][ T7704] do_syscall_64+0xc6/0x1e0 [ 1634.750854][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1634.750854][ T7704] [ 1644.756896][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1644.757434][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1644.757434][ T7704] netdev_get_by_index+0x5e/0x80 [ 1644.757434][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1644.757434][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1644.757434][ T7704] ip6_route_add+0x1c/0x140 [ 1644.757434][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1644.757434][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1644.757434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1644.757434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.757434][ T7704] netlink_rcv_skb+0x130/0x360 [ 1644.757434][ T7704] netlink_unicast+0x449/0x710 [ 1644.757434][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1644.757434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1644.757434][ T7704] ___sys_sendmsg+0xee/0x170 [ 1644.757434][ T7704] __sys_sendmsg+0xcd/0x170 [ 1644.757434][ T7704] do_syscall_64+0xc6/0x1e0 [ 1644.757434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.757434][ T7704] [ 1644.759668][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1644.759668][ T7704] netdev_get_by_index+0x5e/0x80 [ 1644.759668][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1644.759668][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1644.759668][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1644.759668][ T7704] ipv6_add_addr+0x411/0x2000 [ 1644.759668][ T7704] inet6_addr_add+0x30e/0xa40 [ 1644.759668][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1644.759668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.759668][ T7704] netlink_rcv_skb+0x130/0x360 [ 1644.759668][ T7704] netlink_unicast+0x449/0x710 [ 1644.759668][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1644.759668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1644.759668][ T7704] ___sys_sendmsg+0xee/0x170 [ 1644.759668][ T7704] __sys_sendmsg+0xcd/0x170 [ 1644.759668][ T7704] do_syscall_64+0xc6/0x1e0 [ 1644.759668][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.759668][ T7704] [ 1644.761884][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1644.761884][ T7704] netdev_get_by_index+0x5e/0x80 [ 1644.761884][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1644.761884][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1644.761884][ T7704] ip6_route_add+0x1c/0x140 [ 1644.761884][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1644.761884][ T7704] addrconf_add_dev+0xe2/0x170 [ 1644.761884][ T7704] inet6_addr_add+0x12f/0xa40 [ 1644.761884][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1644.761884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.761884][ T7704] netlink_rcv_skb+0x130/0x360 [ 1644.761884][ T7704] netlink_unicast+0x449/0x710 [ 1644.761884][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1644.761884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1644.761884][ T7704] ___sys_sendmsg+0xee/0x170 [ 1644.761884][ T7704] __sys_sendmsg+0xcd/0x170 [ 1644.761884][ T7704] do_syscall_64+0xc6/0x1e0 [ 1644.761884][ T7704] [ 1644.764080][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1644.764080][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1644.764080][ T7704] ipv6_find_idev+0x102/0x170 [ 1644.764080][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1644.764080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.764080][ T7704] netlink_rcv_skb+0x130/0x360 [ 1644.764080][ T7704] netlink_unicast+0x449/0x710 [ 1644.764080][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1644.764080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1644.764080][ T7704] ___sys_sendmsg+0xee/0x170 [ 1644.764080][ T7704] __sys_sendmsg+0xcd/0x170 [ 1644.764080][ T7704] do_syscall_64+0xc6/0x1e0 [ 1644.764080][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.764080][ T7704] [ 1644.765775][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1644.765775][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1644.765775][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1644.765775][ T7704] ipv6_find_idev+0x102/0x170 [ 1644.765775][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1644.765775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.765775][ T7704] netlink_rcv_skb+0x130/0x360 [ 1644.765775][ T7704] netlink_unicast+0x449/0x710 [ 1644.765775][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1644.765775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1644.765775][ T7704] ___sys_sendmsg+0xee/0x170 [ 1644.765775][ T7704] __sys_sendmsg+0xcd/0x170 [ 1644.765775][ T7704] do_syscall_64+0xc6/0x1e0 [ 1644.765775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.765775][ T7704] [ 1654.836872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1654.837408][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1654.837408][ T7704] netdev_get_by_index+0x5e/0x80 [ 1654.837408][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1654.837408][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1654.837408][ T7704] ip6_route_add+0x1c/0x140 [ 1654.837408][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1654.837408][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1654.837408][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.837408][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.837408][ T7704] netlink_rcv_skb+0x130/0x360 [ 1654.837408][ T7704] netlink_unicast+0x449/0x710 [ 1654.837408][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1654.837408][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1654.837408][ T7704] ___sys_sendmsg+0xee/0x170 [ 1654.837408][ T7704] __sys_sendmsg+0xcd/0x170 [ 1654.837408][ T7704] do_syscall_64+0xc6/0x1e0 [ 1654.837408][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.837408][ T7704] [ 1654.839685][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1654.839685][ T7704] netdev_get_by_index+0x5e/0x80 [ 1654.839685][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1654.839685][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1654.839685][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1654.839685][ T7704] ipv6_add_addr+0x411/0x2000 [ 1654.839685][ T7704] inet6_addr_add+0x30e/0xa40 [ 1654.839685][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.839685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.839685][ T7704] netlink_rcv_skb+0x130/0x360 [ 1654.839685][ T7704] netlink_unicast+0x449/0x710 [ 1654.839685][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1654.839685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1654.839685][ T7704] ___sys_sendmsg+0xee/0x170 [ 1654.839685][ T7704] __sys_sendmsg+0xcd/0x170 [ 1654.839685][ T7704] do_syscall_64+0xc6/0x1e0 [ 1654.839685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.839685][ T7704] [ 1654.841896][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1654.841896][ T7704] netdev_get_by_index+0x5e/0x80 [ 1654.841896][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1654.841896][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1654.841896][ T7704] ip6_route_add+0x1c/0x140 [ 1654.841896][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1654.841896][ T7704] addrconf_add_dev+0xe2/0x170 [ 1654.841896][ T7704] inet6_addr_add+0x12f/0xa40 [ 1654.841896][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.841896][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.841896][ T7704] netlink_rcv_skb+0x130/0x360 [ 1654.841896][ T7704] netlink_unicast+0x449/0x710 [ 1654.841896][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1654.841896][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1654.841896][ T7704] ___sys_sendmsg+0xee/0x170 [ 1654.841896][ T7704] __sys_sendmsg+0xcd/0x170 [ 1654.841896][ T7704] do_syscall_64+0xc6/0x1e0 [ 1654.841896][ T7704] [ 1654.844076][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1654.844076][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1654.844076][ T7704] ipv6_find_idev+0x102/0x170 [ 1654.844076][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.844076][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.844076][ T7704] netlink_rcv_skb+0x130/0x360 [ 1654.844076][ T7704] netlink_unicast+0x449/0x710 [ 1654.844076][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1654.844076][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1654.844076][ T7704] ___sys_sendmsg+0xee/0x170 [ 1654.844076][ T7704] __sys_sendmsg+0xcd/0x170 [ 1654.844076][ T7704] do_syscall_64+0xc6/0x1e0 [ 1654.844076][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.844076][ T7704] [ 1654.845776][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1654.845776][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1654.845776][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1654.845776][ T7704] ipv6_find_idev+0x102/0x170 [ 1654.845776][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.845776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.845776][ T7704] netlink_rcv_skb+0x130/0x360 [ 1654.845776][ T7704] netlink_unicast+0x449/0x710 [ 1654.845776][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1654.845776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1654.845776][ T7704] ___sys_sendmsg+0xee/0x170 [ 1654.845776][ T7704] __sys_sendmsg+0xcd/0x170 [ 1654.845776][ T7704] do_syscall_64+0xc6/0x1e0 [ 1654.845776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.845776][ T7704] [ 1664.884823][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1664.885394][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1664.885394][ T7704] netdev_get_by_index+0x5e/0x80 [ 1664.885394][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1664.885394][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1664.885394][ T7704] ip6_route_add+0x1c/0x140 [ 1664.885394][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1664.885394][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1664.885394][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.885394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.885394][ T7704] netlink_rcv_skb+0x130/0x360 [ 1664.885394][ T7704] netlink_unicast+0x449/0x710 [ 1664.885394][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1664.885394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1664.885394][ T7704] ___sys_sendmsg+0xee/0x170 [ 1664.885394][ T7704] __sys_sendmsg+0xcd/0x170 [ 1664.885394][ T7704] do_syscall_64+0xc6/0x1e0 [ 1664.885394][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.885394][ T7704] [ 1664.887731][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1664.887731][ T7704] netdev_get_by_index+0x5e/0x80 [ 1664.887731][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1664.887731][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1664.887731][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1664.887731][ T7704] ipv6_add_addr+0x411/0x2000 [ 1664.887731][ T7704] inet6_addr_add+0x30e/0xa40 [ 1664.887731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.887731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.887731][ T7704] netlink_rcv_skb+0x130/0x360 [ 1664.887731][ T7704] netlink_unicast+0x449/0x710 [ 1664.887731][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1664.887731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1664.887731][ T7704] ___sys_sendmsg+0xee/0x170 [ 1664.887731][ T7704] __sys_sendmsg+0xcd/0x170 [ 1664.887731][ T7704] do_syscall_64+0xc6/0x1e0 [ 1664.887731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.887731][ T7704] [ 1664.889973][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1664.889973][ T7704] netdev_get_by_index+0x5e/0x80 [ 1664.889973][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1664.889973][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1664.889973][ T7704] ip6_route_add+0x1c/0x140 [ 1664.889973][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1664.889973][ T7704] addrconf_add_dev+0xe2/0x170 [ 1664.889973][ T7704] inet6_addr_add+0x12f/0xa40 [ 1664.889973][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.889973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.889973][ T7704] netlink_rcv_skb+0x130/0x360 [ 1664.889973][ T7704] netlink_unicast+0x449/0x710 [ 1664.889973][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1664.889973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1664.889973][ T7704] ___sys_sendmsg+0xee/0x170 [ 1664.889973][ T7704] __sys_sendmsg+0xcd/0x170 [ 1664.889973][ T7704] do_syscall_64+0xc6/0x1e0 [ 1664.889973][ T7704] [ 1664.892219][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1664.892219][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1664.892219][ T7704] ipv6_find_idev+0x102/0x170 [ 1664.892219][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.892219][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.892219][ T7704] netlink_rcv_skb+0x130/0x360 [ 1664.892219][ T7704] netlink_unicast+0x449/0x710 [ 1664.892219][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1664.892219][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1664.892219][ T7704] ___sys_sendmsg+0xee/0x170 [ 1664.892219][ T7704] __sys_sendmsg+0xcd/0x170 [ 1664.892219][ T7704] do_syscall_64+0xc6/0x1e0 [ 1664.892219][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.892219][ T7704] [ 1664.893963][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1664.893963][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1664.893963][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1664.893963][ T7704] ipv6_find_idev+0x102/0x170 [ 1664.893963][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.893963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.893963][ T7704] netlink_rcv_skb+0x130/0x360 [ 1664.893963][ T7704] netlink_unicast+0x449/0x710 [ 1664.893963][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1664.893963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1664.893963][ T7704] ___sys_sendmsg+0xee/0x170 [ 1664.893963][ T7704] __sys_sendmsg+0xcd/0x170 [ 1664.893963][ T7704] do_syscall_64+0xc6/0x1e0 [ 1664.893963][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.893963][ T7704] [ 1675.148788][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1675.149353][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1675.149353][ T7704] netdev_get_by_index+0x5e/0x80 [ 1675.149353][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1675.149353][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1675.149353][ T7704] ip6_route_add+0x1c/0x140 [ 1675.149353][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1675.149353][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1675.149353][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1675.149353][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1675.149353][ T7704] netlink_rcv_skb+0x130/0x360 [ 1675.149353][ T7704] netlink_unicast+0x449/0x710 [ 1675.149353][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1675.149353][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1675.149353][ T7704] ___sys_sendmsg+0xee/0x170 [ 1675.149353][ T7704] __sys_sendmsg+0xcd/0x170 [ 1675.149353][ T7704] do_syscall_64+0xc6/0x1e0 [ 1675.149353][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1675.149353][ T7704] [ 1675.151659][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1675.151659][ T7704] netdev_get_by_index+0x5e/0x80 [ 1675.151659][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1675.151659][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1675.151659][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1675.151659][ T7704] ipv6_add_addr+0x411/0x2000 [ 1675.151659][ T7704] inet6_addr_add+0x30e/0xa40 [ 1675.151659][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1675.151659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1675.151659][ T7704] netlink_rcv_skb+0x130/0x360 [ 1675.151659][ T7704] netlink_unicast+0x449/0x710 [ 1675.151659][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1675.151659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1675.151659][ T7704] ___sys_sendmsg+0xee/0x170 [ 1675.151659][ T7704] __sys_sendmsg+0xcd/0x170 [ 1675.151659][ T7704] do_syscall_64+0xc6/0x1e0 [ 1675.151659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1675.151659][ T7704] [ 1675.153932][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1675.153932][ T7704] netdev_get_by_index+0x5e/0x80 [ 1675.153932][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1675.153932][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1675.153932][ T7704] ip6_route_add+0x1c/0x140 [ 1675.153932][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1675.153932][ T7704] addrconf_add_dev+0xe2/0x170 [ 1675.153932][ T7704] inet6_addr_add+0x12f/0xa40 [ 1675.153932][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1675.153932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1675.153932][ T7704] netlink_rcv_skb+0x130/0x360 [ 1675.153932][ T7704] netlink_unicast+0x449/0x710 [ 1675.153932][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1675.153932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1675.153932][ T7704] ___sys_sendmsg+0xee/0x170 [ 1675.153932][ T7704] __sys_sendmsg+0xcd/0x170 [ 1675.153932][ T7704] do_syscall_64+0xc6/0x1e0 [ 1675.153932][ T7704] [ 1675.156146][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1675.156146][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1675.156146][ T7704] ipv6_find_idev+0x102/0x170 [ 1675.156146][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1675.156146][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1675.156146][ T7704] netlink_rcv_skb+0x130/0x360 [ 1675.156146][ T7704] netlink_unicast+0x449/0x710 [ 1675.156146][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1675.156146][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1675.156146][ T7704] ___sys_sendmsg+0xee/0x170 [ 1675.156146][ T7704] __sys_sendmsg+0xcd/0x170 [ 1675.156146][ T7704] do_syscall_64+0xc6/0x1e0 [ 1675.156146][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1675.156146][ T7704] [ 1675.157884][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1675.157884][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1675.157884][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1675.157884][ T7704] ipv6_find_idev+0x102/0x170 [ 1675.157884][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1675.157884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1675.157884][ T7704] netlink_rcv_skb+0x130/0x360 [ 1675.157884][ T7704] netlink_unicast+0x449/0x710 [ 1675.157884][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1675.157884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1675.157884][ T7704] ___sys_sendmsg+0xee/0x170 [ 1675.157884][ T7704] __sys_sendmsg+0xcd/0x170 [ 1675.157884][ T7704] do_syscall_64+0xc6/0x1e0 [ 1675.157884][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1675.157884][ T7704] [ 1685.276884][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1685.277467][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1685.277467][ T7704] netdev_get_by_index+0x5e/0x80 [ 1685.277467][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1685.277467][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1685.277467][ T7704] ip6_route_add+0x1c/0x140 [ 1685.277467][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1685.277467][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1685.277467][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.277467][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.277467][ T7704] netlink_rcv_skb+0x130/0x360 [ 1685.277467][ T7704] netlink_unicast+0x449/0x710 [ 1685.277467][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1685.277467][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1685.277467][ T7704] ___sys_sendmsg+0xee/0x170 [ 1685.277467][ T7704] __sys_sendmsg+0xcd/0x170 [ 1685.277467][ T7704] do_syscall_64+0xc6/0x1e0 [ 1685.277467][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.277467][ T7704] [ 1685.279737][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1685.279737][ T7704] netdev_get_by_index+0x5e/0x80 [ 1685.279737][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1685.279737][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1685.279737][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1685.279737][ T7704] ipv6_add_addr+0x411/0x2000 [ 1685.279737][ T7704] inet6_addr_add+0x30e/0xa40 [ 1685.279737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.279737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.279737][ T7704] netlink_rcv_skb+0x130/0x360 [ 1685.279737][ T7704] netlink_unicast+0x449/0x710 [ 1685.279737][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1685.279737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1685.279737][ T7704] ___sys_sendmsg+0xee/0x170 [ 1685.279737][ T7704] __sys_sendmsg+0xcd/0x170 [ 1685.279737][ T7704] do_syscall_64+0xc6/0x1e0 [ 1685.279737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.279737][ T7704] [ 1685.281969][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1685.281969][ T7704] netdev_get_by_index+0x5e/0x80 [ 1685.281969][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1685.281969][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1685.281969][ T7704] ip6_route_add+0x1c/0x140 [ 1685.281969][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1685.281969][ T7704] addrconf_add_dev+0xe2/0x170 [ 1685.281969][ T7704] inet6_addr_add+0x12f/0xa40 [ 1685.281969][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.281969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.281969][ T7704] netlink_rcv_skb+0x130/0x360 [ 1685.281969][ T7704] netlink_unicast+0x449/0x710 [ 1685.281969][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1685.281969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1685.281969][ T7704] ___sys_sendmsg+0xee/0x170 [ 1685.281969][ T7704] __sys_sendmsg+0xcd/0x170 [ 1685.281969][ T7704] do_syscall_64+0xc6/0x1e0 [ 1685.281969][ T7704] [ 1685.284182][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1685.284182][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1685.284182][ T7704] ipv6_find_idev+0x102/0x170 [ 1685.284182][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1685.284182][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.284182][ T7704] netlink_rcv_skb+0x130/0x360 [ 1685.284182][ T7704] netlink_unicast+0x449/0x710 [ 1685.284182][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1685.284182][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1685.284182][ T7704] ___sys_sendmsg+0xee/0x170 [ 1685.284182][ T7704] __sys_sendmsg+0xcd/0x170 [ 1685.284182][ T7704] do_syscall_64+0xc6/0x1e0 [ 1685.284182][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.284182][ T7704] [ 1685.285896][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1685.285896][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1685.285896][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1685.285896][ T7704] ipv6_find_idev+0x102/0x170 [ 1685.285896][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1685.285896][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.285896][ T7704] netlink_rcv_skb+0x130/0x360 [ 1685.285896][ T7704] netlink_unicast+0x449/0x710 [ 1685.285896][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1685.285896][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1685.285896][ T7704] ___sys_sendmsg+0xee/0x170 [ 1685.285896][ T7704] __sys_sendmsg+0xcd/0x170 [ 1685.285896][ T7704] do_syscall_64+0xc6/0x1e0 [ 1685.285896][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.285896][ T7704] [ 1695.524787][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1695.525291][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1695.525291][ T7704] netdev_get_by_index+0x5e/0x80 [ 1695.525291][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1695.525291][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1695.525291][ T7704] ip6_route_add+0x1c/0x140 [ 1695.525291][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1695.525291][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1695.525291][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.525291][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.525291][ T7704] netlink_rcv_skb+0x130/0x360 [ 1695.525291][ T7704] netlink_unicast+0x449/0x710 [ 1695.525291][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1695.525291][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1695.525291][ T7704] ___sys_sendmsg+0xee/0x170 [ 1695.525291][ T7704] __sys_sendmsg+0xcd/0x170 [ 1695.525291][ T7704] do_syscall_64+0xc6/0x1e0 [ 1695.525291][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.525291][ T7704] [ 1695.527563][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1695.527563][ T7704] netdev_get_by_index+0x5e/0x80 [ 1695.527563][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1695.527563][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1695.527563][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1695.527563][ T7704] ipv6_add_addr+0x411/0x2000 [ 1695.527563][ T7704] inet6_addr_add+0x30e/0xa40 [ 1695.527563][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.527563][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.527563][ T7704] netlink_rcv_skb+0x130/0x360 [ 1695.527563][ T7704] netlink_unicast+0x449/0x710 [ 1695.527563][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1695.527563][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1695.527563][ T7704] ___sys_sendmsg+0xee/0x170 [ 1695.527563][ T7704] __sys_sendmsg+0xcd/0x170 [ 1695.527563][ T7704] do_syscall_64+0xc6/0x1e0 [ 1695.527563][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.527563][ T7704] [ 1695.529874][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1695.529874][ T7704] netdev_get_by_index+0x5e/0x80 [ 1695.529874][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1695.529874][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1695.529874][ T7704] ip6_route_add+0x1c/0x140 [ 1695.529874][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1695.529874][ T7704] addrconf_add_dev+0xe2/0x170 [ 1695.529874][ T7704] inet6_addr_add+0x12f/0xa40 [ 1695.529874][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.529874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.529874][ T7704] netlink_rcv_skb+0x130/0x360 [ 1695.529874][ T7704] netlink_unicast+0x449/0x710 [ 1695.529874][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1695.529874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1695.529874][ T7704] ___sys_sendmsg+0xee/0x170 [ 1695.529874][ T7704] __sys_sendmsg+0xcd/0x170 [ 1695.529874][ T7704] do_syscall_64+0xc6/0x1e0 [ 1695.529874][ T7704] [ 1695.532123][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1695.532123][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1695.532123][ T7704] ipv6_find_idev+0x102/0x170 [ 1695.532123][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.532123][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.532123][ T7704] netlink_rcv_skb+0x130/0x360 [ 1695.532123][ T7704] netlink_unicast+0x449/0x710 [ 1695.532123][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1695.532123][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1695.532123][ T7704] ___sys_sendmsg+0xee/0x170 [ 1695.532123][ T7704] __sys_sendmsg+0xcd/0x170 [ 1695.532123][ T7704] do_syscall_64+0xc6/0x1e0 [ 1695.532123][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.532123][ T7704] [ 1695.534416][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1695.534416][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1695.534416][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1695.534416][ T7704] ipv6_find_idev+0x102/0x170 [ 1695.534416][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.534416][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.534416][ T7704] netlink_rcv_skb+0x130/0x360 [ 1695.534416][ T7704] netlink_unicast+0x449/0x710 [ 1695.534416][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1695.534416][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1695.534416][ T7704] ___sys_sendmsg+0xee/0x170 [ 1695.534416][ T7704] __sys_sendmsg+0xcd/0x170 [ 1695.534416][ T7704] do_syscall_64+0xc6/0x1e0 [ 1695.534416][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.534416][ T7704] [ 1705.660881][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1705.661356][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1705.661356][ T7704] netdev_get_by_index+0x5e/0x80 [ 1705.661356][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1705.661356][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1705.661356][ T7704] ip6_route_add+0x1c/0x140 [ 1705.661356][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1705.661356][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1705.661356][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.661356][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.661356][ T7704] netlink_rcv_skb+0x130/0x360 [ 1705.661356][ T7704] netlink_unicast+0x449/0x710 [ 1705.661356][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1705.661356][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1705.661356][ T7704] ___sys_sendmsg+0xee/0x170 [ 1705.661356][ T7704] __sys_sendmsg+0xcd/0x170 [ 1705.661356][ T7704] do_syscall_64+0xc6/0x1e0 [ 1705.661356][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.661356][ T7704] [ 1705.663642][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1705.663642][ T7704] netdev_get_by_index+0x5e/0x80 [ 1705.663642][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1705.663642][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1705.663642][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1705.663642][ T7704] ipv6_add_addr+0x411/0x2000 [ 1705.663642][ T7704] inet6_addr_add+0x30e/0xa40 [ 1705.663642][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.663642][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.663642][ T7704] netlink_rcv_skb+0x130/0x360 [ 1705.663642][ T7704] netlink_unicast+0x449/0x710 [ 1705.663642][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1705.663642][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1705.663642][ T7704] ___sys_sendmsg+0xee/0x170 [ 1705.663642][ T7704] __sys_sendmsg+0xcd/0x170 [ 1705.663642][ T7704] do_syscall_64+0xc6/0x1e0 [ 1705.663642][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.663642][ T7704] [ 1705.665875][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1705.665875][ T7704] netdev_get_by_index+0x5e/0x80 [ 1705.665875][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1705.665875][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1705.665875][ T7704] ip6_route_add+0x1c/0x140 [ 1705.665875][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1705.665875][ T7704] addrconf_add_dev+0xe2/0x170 [ 1705.665875][ T7704] inet6_addr_add+0x12f/0xa40 [ 1705.665875][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.665875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.665875][ T7704] netlink_rcv_skb+0x130/0x360 [ 1705.665875][ T7704] netlink_unicast+0x449/0x710 [ 1705.665875][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1705.665875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1705.665875][ T7704] ___sys_sendmsg+0xee/0x170 [ 1705.665875][ T7704] __sys_sendmsg+0xcd/0x170 [ 1705.665875][ T7704] do_syscall_64+0xc6/0x1e0 [ 1705.665875][ T7704] [ 1705.668061][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1705.668061][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1705.668061][ T7704] ipv6_find_idev+0x102/0x170 [ 1705.668061][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.668061][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.668061][ T7704] netlink_rcv_skb+0x130/0x360 [ 1705.668061][ T7704] netlink_unicast+0x449/0x710 [ 1705.668061][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1705.668061][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1705.668061][ T7704] ___sys_sendmsg+0xee/0x170 [ 1705.668061][ T7704] __sys_sendmsg+0xcd/0x170 [ 1705.668061][ T7704] do_syscall_64+0xc6/0x1e0 [ 1705.668061][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.668061][ T7704] [ 1705.669771][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1705.669771][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1705.669771][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1705.669771][ T7704] ipv6_find_idev+0x102/0x170 [ 1705.669771][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.669771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.669771][ T7704] netlink_rcv_skb+0x130/0x360 [ 1705.669771][ T7704] netlink_unicast+0x449/0x710 [ 1705.669771][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1705.669771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1705.669771][ T7704] ___sys_sendmsg+0xee/0x170 [ 1705.669771][ T7704] __sys_sendmsg+0xcd/0x170 [ 1705.669771][ T7704] do_syscall_64+0xc6/0x1e0 [ 1705.669771][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.669771][ T7704] [ 1715.924795][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1715.925314][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1715.925314][ T7704] netdev_get_by_index+0x5e/0x80 [ 1715.925314][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1715.925314][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1715.925314][ T7704] ip6_route_add+0x1c/0x140 [ 1715.925314][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1715.925314][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1715.925314][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.925314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.925314][ T7704] netlink_rcv_skb+0x130/0x360 [ 1715.925314][ T7704] netlink_unicast+0x449/0x710 [ 1715.925314][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1715.925314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1715.925314][ T7704] ___sys_sendmsg+0xee/0x170 [ 1715.925314][ T7704] __sys_sendmsg+0xcd/0x170 [ 1715.925314][ T7704] do_syscall_64+0xc6/0x1e0 [ 1715.925314][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.925314][ T7704] [ 1715.927600][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1715.927600][ T7704] netdev_get_by_index+0x5e/0x80 [ 1715.927600][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1715.927600][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1715.927600][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1715.927600][ T7704] ipv6_add_addr+0x411/0x2000 [ 1715.927600][ T7704] inet6_addr_add+0x30e/0xa40 [ 1715.927600][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.927600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.927600][ T7704] netlink_rcv_skb+0x130/0x360 [ 1715.927600][ T7704] netlink_unicast+0x449/0x710 [ 1715.927600][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1715.927600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1715.927600][ T7704] ___sys_sendmsg+0xee/0x170 [ 1715.927600][ T7704] __sys_sendmsg+0xcd/0x170 [ 1715.927600][ T7704] do_syscall_64+0xc6/0x1e0 [ 1715.927600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.927600][ T7704] [ 1715.929850][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1715.929850][ T7704] netdev_get_by_index+0x5e/0x80 [ 1715.929850][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1715.929850][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1715.929850][ T7704] ip6_route_add+0x1c/0x140 [ 1715.929850][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1715.929850][ T7704] addrconf_add_dev+0xe2/0x170 [ 1715.929850][ T7704] inet6_addr_add+0x12f/0xa40 [ 1715.929850][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.929850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.929850][ T7704] netlink_rcv_skb+0x130/0x360 [ 1715.929850][ T7704] netlink_unicast+0x449/0x710 [ 1715.929850][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1715.929850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1715.929850][ T7704] ___sys_sendmsg+0xee/0x170 [ 1715.929850][ T7704] __sys_sendmsg+0xcd/0x170 [ 1715.929850][ T7704] do_syscall_64+0xc6/0x1e0 [ 1715.929850][ T7704] [ 1715.932060][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1715.932060][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1715.932060][ T7704] ipv6_find_idev+0x102/0x170 [ 1715.932060][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.932060][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.932060][ T7704] netlink_rcv_skb+0x130/0x360 [ 1715.932060][ T7704] netlink_unicast+0x449/0x710 [ 1715.932060][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1715.932060][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1715.932060][ T7704] ___sys_sendmsg+0xee/0x170 [ 1715.932060][ T7704] __sys_sendmsg+0xcd/0x170 [ 1715.932060][ T7704] do_syscall_64+0xc6/0x1e0 [ 1715.932060][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.932060][ T7704] [ 1715.933777][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1715.933777][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1715.933777][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1715.933777][ T7704] ipv6_find_idev+0x102/0x170 [ 1715.933777][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.933777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.933777][ T7704] netlink_rcv_skb+0x130/0x360 [ 1715.933777][ T7704] netlink_unicast+0x449/0x710 [ 1715.933777][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1715.933777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1715.933777][ T7704] ___sys_sendmsg+0xee/0x170 [ 1715.933777][ T7704] __sys_sendmsg+0xcd/0x170 [ 1715.933777][ T7704] do_syscall_64+0xc6/0x1e0 [ 1715.933777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.933777][ T7704] [ 1726.164820][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1726.165299][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1726.165299][ T7704] netdev_get_by_index+0x5e/0x80 [ 1726.165299][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1726.165299][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1726.165299][ T7704] ip6_route_add+0x1c/0x140 [ 1726.165299][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1726.165299][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1726.165299][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1726.165299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.165299][ T7704] netlink_rcv_skb+0x130/0x360 [ 1726.165299][ T7704] netlink_unicast+0x449/0x710 [ 1726.165299][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1726.165299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1726.165299][ T7704] ___sys_sendmsg+0xee/0x170 [ 1726.165299][ T7704] __sys_sendmsg+0xcd/0x170 [ 1726.165299][ T7704] do_syscall_64+0xc6/0x1e0 [ 1726.165299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.165299][ T7704] [ 1726.167588][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1726.167588][ T7704] netdev_get_by_index+0x5e/0x80 [ 1726.167588][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1726.167588][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1726.167588][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1726.167588][ T7704] ipv6_add_addr+0x411/0x2000 [ 1726.167588][ T7704] inet6_addr_add+0x30e/0xa40 [ 1726.167588][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1726.167588][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.167588][ T7704] netlink_rcv_skb+0x130/0x360 [ 1726.167588][ T7704] netlink_unicast+0x449/0x710 [ 1726.167588][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1726.167588][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1726.167588][ T7704] ___sys_sendmsg+0xee/0x170 [ 1726.167588][ T7704] __sys_sendmsg+0xcd/0x170 [ 1726.167588][ T7704] do_syscall_64+0xc6/0x1e0 [ 1726.167588][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.167588][ T7704] [ 1726.169832][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1726.169832][ T7704] netdev_get_by_index+0x5e/0x80 [ 1726.169832][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1726.169832][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1726.169832][ T7704] ip6_route_add+0x1c/0x140 [ 1726.169832][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1726.169832][ T7704] addrconf_add_dev+0xe2/0x170 [ 1726.169832][ T7704] inet6_addr_add+0x12f/0xa40 [ 1726.169832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1726.169832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.169832][ T7704] netlink_rcv_skb+0x130/0x360 [ 1726.169832][ T7704] netlink_unicast+0x449/0x710 [ 1726.169832][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1726.169832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1726.169832][ T7704] ___sys_sendmsg+0xee/0x170 [ 1726.169832][ T7704] __sys_sendmsg+0xcd/0x170 [ 1726.169832][ T7704] do_syscall_64+0xc6/0x1e0 [ 1726.169832][ T7704] [ 1726.172060][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1726.172060][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1726.172060][ T7704] ipv6_find_idev+0x102/0x170 [ 1726.172060][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1726.172060][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.172060][ T7704] netlink_rcv_skb+0x130/0x360 [ 1726.172060][ T7704] netlink_unicast+0x449/0x710 [ 1726.172060][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1726.172060][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1726.172060][ T7704] ___sys_sendmsg+0xee/0x170 [ 1726.172060][ T7704] __sys_sendmsg+0xcd/0x170 [ 1726.172060][ T7704] do_syscall_64+0xc6/0x1e0 [ 1726.172060][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.172060][ T7704] [ 1726.173788][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1726.173788][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1726.173788][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1726.173788][ T7704] ipv6_find_idev+0x102/0x170 [ 1726.173788][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1726.173788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.173788][ T7704] netlink_rcv_skb+0x130/0x360 [ 1726.173788][ T7704] netlink_unicast+0x449/0x710 [ 1726.173788][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1726.173788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1726.173788][ T7704] ___sys_sendmsg+0xee/0x170 [ 1726.173788][ T7704] __sys_sendmsg+0xcd/0x170 [ 1726.173788][ T7704] do_syscall_64+0xc6/0x1e0 [ 1726.173788][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.173788][ T7704] [ 1736.412781][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1736.413263][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1736.413263][ T7704] netdev_get_by_index+0x5e/0x80 [ 1736.413263][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1736.413263][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1736.413263][ T7704] ip6_route_add+0x1c/0x140 [ 1736.413263][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1736.413263][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1736.413263][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.413263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.413263][ T7704] netlink_rcv_skb+0x130/0x360 [ 1736.413263][ T7704] netlink_unicast+0x449/0x710 [ 1736.413263][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1736.413263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1736.413263][ T7704] ___sys_sendmsg+0xee/0x170 [ 1736.413263][ T7704] __sys_sendmsg+0xcd/0x170 [ 1736.413263][ T7704] do_syscall_64+0xc6/0x1e0 [ 1736.413263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.413263][ T7704] [ 1736.415552][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1736.415552][ T7704] netdev_get_by_index+0x5e/0x80 [ 1736.415552][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1736.415552][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1736.415552][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1736.415552][ T7704] ipv6_add_addr+0x411/0x2000 [ 1736.415552][ T7704] inet6_addr_add+0x30e/0xa40 [ 1736.415552][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.415552][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.415552][ T7704] netlink_rcv_skb+0x130/0x360 [ 1736.415552][ T7704] netlink_unicast+0x449/0x710 [ 1736.415552][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1736.415552][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1736.415552][ T7704] ___sys_sendmsg+0xee/0x170 [ 1736.415552][ T7704] __sys_sendmsg+0xcd/0x170 [ 1736.415552][ T7704] do_syscall_64+0xc6/0x1e0 [ 1736.415552][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.415552][ T7704] [ 1736.417796][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1736.417796][ T7704] netdev_get_by_index+0x5e/0x80 [ 1736.417796][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1736.417796][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1736.417796][ T7704] ip6_route_add+0x1c/0x140 [ 1736.417796][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1736.417796][ T7704] addrconf_add_dev+0xe2/0x170 [ 1736.417796][ T7704] inet6_addr_add+0x12f/0xa40 [ 1736.417796][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.417796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.417796][ T7704] netlink_rcv_skb+0x130/0x360 [ 1736.417796][ T7704] netlink_unicast+0x449/0x710 [ 1736.417796][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1736.417796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1736.417796][ T7704] ___sys_sendmsg+0xee/0x170 [ 1736.417796][ T7704] __sys_sendmsg+0xcd/0x170 [ 1736.417796][ T7704] do_syscall_64+0xc6/0x1e0 [ 1736.417796][ T7704] [ 1736.420008][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1736.420008][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1736.420008][ T7704] ipv6_find_idev+0x102/0x170 [ 1736.420008][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1736.420008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.420008][ T7704] netlink_rcv_skb+0x130/0x360 [ 1736.420008][ T7704] netlink_unicast+0x449/0x710 [ 1736.420008][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1736.420008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1736.420008][ T7704] ___sys_sendmsg+0xee/0x170 [ 1736.420008][ T7704] __sys_sendmsg+0xcd/0x170 [ 1736.420008][ T7704] do_syscall_64+0xc6/0x1e0 [ 1736.420008][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.420008][ T7704] [ 1736.421749][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1736.421749][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1736.421749][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1736.421749][ T7704] ipv6_find_idev+0x102/0x170 [ 1736.421749][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1736.421749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.421749][ T7704] netlink_rcv_skb+0x130/0x360 [ 1736.421749][ T7704] netlink_unicast+0x449/0x710 [ 1736.421749][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1736.421749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1736.421749][ T7704] ___sys_sendmsg+0xee/0x170 [ 1736.421749][ T7704] __sys_sendmsg+0xcd/0x170 [ 1736.421749][ T7704] do_syscall_64+0xc6/0x1e0 [ 1736.421749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.421749][ T7704] [ 1746.548826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1746.549504][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1746.549504][ T7704] netdev_get_by_index+0x5e/0x80 [ 1746.549504][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1746.549504][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1746.549504][ T7704] ip6_route_add+0x1c/0x140 [ 1746.549504][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1746.549504][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1746.549504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.549504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.549504][ T7704] netlink_rcv_skb+0x130/0x360 [ 1746.549504][ T7704] netlink_unicast+0x449/0x710 [ 1746.549504][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1746.549504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1746.549504][ T7704] ___sys_sendmsg+0xee/0x170 [ 1746.549504][ T7704] __sys_sendmsg+0xcd/0x170 [ 1746.549504][ T7704] do_syscall_64+0xc6/0x1e0 [ 1746.549504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.549504][ T7704] [ 1746.553187][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1746.553187][ T7704] netdev_get_by_index+0x5e/0x80 [ 1746.553187][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1746.553187][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1746.553187][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1746.553187][ T7704] ipv6_add_addr+0x411/0x2000 [ 1746.553187][ T7704] inet6_addr_add+0x30e/0xa40 [ 1746.553187][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.553187][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.553187][ T7704] netlink_rcv_skb+0x130/0x360 [ 1746.553187][ T7704] netlink_unicast+0x449/0x710 [ 1746.553187][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1746.553187][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1746.553187][ T7704] ___sys_sendmsg+0xee/0x170 [ 1746.553187][ T7704] __sys_sendmsg+0xcd/0x170 [ 1746.553187][ T7704] do_syscall_64+0xc6/0x1e0 [ 1746.553187][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.553187][ T7704] [ 1746.557307][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1746.557307][ T7704] netdev_get_by_index+0x5e/0x80 [ 1746.557307][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1746.557307][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1746.557307][ T7704] ip6_route_add+0x1c/0x140 [ 1746.557307][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1746.557307][ T7704] addrconf_add_dev+0xe2/0x170 [ 1746.557307][ T7704] inet6_addr_add+0x12f/0xa40 [ 1746.557307][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.557307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.557307][ T7704] netlink_rcv_skb+0x130/0x360 [ 1746.557307][ T7704] netlink_unicast+0x449/0x710 [ 1746.557307][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1746.557307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1746.557307][ T7704] ___sys_sendmsg+0xee/0x170 [ 1746.557307][ T7704] __sys_sendmsg+0xcd/0x170 [ 1746.557307][ T7704] do_syscall_64+0xc6/0x1e0 [ 1746.557307][ T7704] [ 1746.560861][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1746.560861][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1746.560861][ T7704] ipv6_find_idev+0x102/0x170 [ 1746.560861][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.560861][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.560861][ T7704] netlink_rcv_skb+0x130/0x360 [ 1746.560861][ T7704] netlink_unicast+0x449/0x710 [ 1746.560861][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1746.560861][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1746.560861][ T7704] ___sys_sendmsg+0xee/0x170 [ 1746.560861][ T7704] __sys_sendmsg+0xcd/0x170 [ 1746.560861][ T7704] do_syscall_64+0xc6/0x1e0 [ 1746.560861][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.560861][ T7704] [ 1746.563692][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1746.563692][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1746.563692][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1746.563692][ T7704] ipv6_find_idev+0x102/0x170 [ 1746.563692][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.563692][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.563692][ T7704] netlink_rcv_skb+0x130/0x360 [ 1746.563692][ T7704] netlink_unicast+0x449/0x710 [ 1746.563692][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1746.563692][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1746.563692][ T7704] ___sys_sendmsg+0xee/0x170 [ 1746.563692][ T7704] __sys_sendmsg+0xcd/0x170 [ 1746.563692][ T7704] do_syscall_64+0xc6/0x1e0 [ 1746.563692][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.563692][ T7704] [ 1756.804871][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1756.805363][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1756.805363][ T7704] netdev_get_by_index+0x5e/0x80 [ 1756.805363][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1756.805363][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1756.805363][ T7704] ip6_route_add+0x1c/0x140 [ 1756.805363][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1756.805363][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1756.805363][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1756.805363][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.805363][ T7704] netlink_rcv_skb+0x130/0x360 [ 1756.805363][ T7704] netlink_unicast+0x449/0x710 [ 1756.805363][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1756.805363][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1756.805363][ T7704] ___sys_sendmsg+0xee/0x170 [ 1756.805363][ T7704] __sys_sendmsg+0xcd/0x170 [ 1756.805363][ T7704] do_syscall_64+0xc6/0x1e0 [ 1756.805363][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.805363][ T7704] [ 1756.807657][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1756.807657][ T7704] netdev_get_by_index+0x5e/0x80 [ 1756.807657][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1756.807657][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1756.807657][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1756.807657][ T7704] ipv6_add_addr+0x411/0x2000 [ 1756.807657][ T7704] inet6_addr_add+0x30e/0xa40 [ 1756.807657][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1756.807657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.807657][ T7704] netlink_rcv_skb+0x130/0x360 [ 1756.807657][ T7704] netlink_unicast+0x449/0x710 [ 1756.807657][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1756.807657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1756.807657][ T7704] ___sys_sendmsg+0xee/0x170 [ 1756.807657][ T7704] __sys_sendmsg+0xcd/0x170 [ 1756.807657][ T7704] do_syscall_64+0xc6/0x1e0 [ 1756.807657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.807657][ T7704] [ 1756.809902][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1756.809902][ T7704] netdev_get_by_index+0x5e/0x80 [ 1756.809902][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1756.809902][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1756.809902][ T7704] ip6_route_add+0x1c/0x140 [ 1756.809902][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1756.809902][ T7704] addrconf_add_dev+0xe2/0x170 [ 1756.809902][ T7704] inet6_addr_add+0x12f/0xa40 [ 1756.809902][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1756.809902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.809902][ T7704] netlink_rcv_skb+0x130/0x360 [ 1756.809902][ T7704] netlink_unicast+0x449/0x710 [ 1756.809902][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1756.809902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1756.809902][ T7704] ___sys_sendmsg+0xee/0x170 [ 1756.809902][ T7704] __sys_sendmsg+0xcd/0x170 [ 1756.809902][ T7704] do_syscall_64+0xc6/0x1e0 [ 1756.809902][ T7704] [ 1756.812172][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1756.812172][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1756.812172][ T7704] ipv6_find_idev+0x102/0x170 [ 1756.812172][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1756.812172][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.812172][ T7704] netlink_rcv_skb+0x130/0x360 [ 1756.812172][ T7704] netlink_unicast+0x449/0x710 [ 1756.812172][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1756.812172][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1756.812172][ T7704] ___sys_sendmsg+0xee/0x170 [ 1756.812172][ T7704] __sys_sendmsg+0xcd/0x170 [ 1756.812172][ T7704] do_syscall_64+0xc6/0x1e0 [ 1756.812172][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.812172][ T7704] [ 1756.813911][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1756.813911][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1756.813911][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1756.813911][ T7704] ipv6_find_idev+0x102/0x170 [ 1756.813911][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1756.813911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.813911][ T7704] netlink_rcv_skb+0x130/0x360 [ 1756.813911][ T7704] netlink_unicast+0x449/0x710 [ 1756.813911][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1756.813911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1756.813911][ T7704] ___sys_sendmsg+0xee/0x170 [ 1756.813911][ T7704] __sys_sendmsg+0xcd/0x170 [ 1756.813911][ T7704] do_syscall_64+0xc6/0x1e0 [ 1756.813911][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.813911][ T7704] [ 1767.052801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1767.053391][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1767.053391][ T7704] netdev_get_by_index+0x5e/0x80 [ 1767.053391][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1767.053391][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1767.053391][ T7704] ip6_route_add+0x1c/0x140 [ 1767.053391][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1767.053391][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1767.053391][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1767.053391][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.053391][ T7704] netlink_rcv_skb+0x130/0x360 [ 1767.053391][ T7704] netlink_unicast+0x449/0x710 [ 1767.053391][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1767.053391][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1767.053391][ T7704] ___sys_sendmsg+0xee/0x170 [ 1767.053391][ T7704] __sys_sendmsg+0xcd/0x170 [ 1767.053391][ T7704] do_syscall_64+0xc6/0x1e0 [ 1767.053391][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.053391][ T7704] [ 1767.055749][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1767.055749][ T7704] netdev_get_by_index+0x5e/0x80 [ 1767.055749][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1767.055749][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1767.055749][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1767.055749][ T7704] ipv6_add_addr+0x411/0x2000 [ 1767.055749][ T7704] inet6_addr_add+0x30e/0xa40 [ 1767.055749][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1767.055749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.055749][ T7704] netlink_rcv_skb+0x130/0x360 [ 1767.055749][ T7704] netlink_unicast+0x449/0x710 [ 1767.055749][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1767.055749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1767.055749][ T7704] ___sys_sendmsg+0xee/0x170 [ 1767.055749][ T7704] __sys_sendmsg+0xcd/0x170 [ 1767.055749][ T7704] do_syscall_64+0xc6/0x1e0 [ 1767.055749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.055749][ T7704] [ 1767.058081][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1767.058081][ T7704] netdev_get_by_index+0x5e/0x80 [ 1767.058081][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1767.058081][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1767.058081][ T7704] ip6_route_add+0x1c/0x140 [ 1767.058081][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1767.058081][ T7704] addrconf_add_dev+0xe2/0x170 [ 1767.058081][ T7704] inet6_addr_add+0x12f/0xa40 [ 1767.058081][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1767.058081][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.058081][ T7704] netlink_rcv_skb+0x130/0x360 [ 1767.058081][ T7704] netlink_unicast+0x449/0x710 [ 1767.058081][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1767.058081][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1767.058081][ T7704] ___sys_sendmsg+0xee/0x170 [ 1767.058081][ T7704] __sys_sendmsg+0xcd/0x170 [ 1767.058081][ T7704] do_syscall_64+0xc6/0x1e0 [ 1767.058081][ T7704] [ 1767.060376][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1767.060376][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1767.060376][ T7704] ipv6_find_idev+0x102/0x170 [ 1767.060376][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1767.060376][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.060376][ T7704] netlink_rcv_skb+0x130/0x360 [ 1767.060376][ T7704] netlink_unicast+0x449/0x710 [ 1767.060376][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1767.060376][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1767.060376][ T7704] ___sys_sendmsg+0xee/0x170 [ 1767.060376][ T7704] __sys_sendmsg+0xcd/0x170 [ 1767.060376][ T7704] do_syscall_64+0xc6/0x1e0 [ 1767.060376][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.060376][ T7704] [ 1767.062250][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1767.062250][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1767.062250][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1767.062250][ T7704] ipv6_find_idev+0x102/0x170 [ 1767.062250][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1767.062250][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.062250][ T7704] netlink_rcv_skb+0x130/0x360 [ 1767.062250][ T7704] netlink_unicast+0x449/0x710 [ 1767.062250][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1767.062250][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1767.062250][ T7704] ___sys_sendmsg+0xee/0x170 [ 1767.062250][ T7704] __sys_sendmsg+0xcd/0x170 [ 1767.062250][ T7704] do_syscall_64+0xc6/0x1e0 [ 1767.062250][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.062250][ T7704] [ 1777.300863][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1777.301360][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1777.301360][ T7704] netdev_get_by_index+0x5e/0x80 [ 1777.301360][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1777.301360][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1777.301360][ T7704] ip6_route_add+0x1c/0x140 [ 1777.301360][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1777.301360][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1777.301360][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.301360][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.301360][ T7704] netlink_rcv_skb+0x130/0x360 [ 1777.301360][ T7704] netlink_unicast+0x449/0x710 [ 1777.301360][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1777.301360][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1777.301360][ T7704] ___sys_sendmsg+0xee/0x170 [ 1777.301360][ T7704] __sys_sendmsg+0xcd/0x170 [ 1777.301360][ T7704] do_syscall_64+0xc6/0x1e0 [ 1777.301360][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.301360][ T7704] [ 1777.303677][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1777.303677][ T7704] netdev_get_by_index+0x5e/0x80 [ 1777.303677][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1777.303677][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1777.303677][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1777.303677][ T7704] ipv6_add_addr+0x411/0x2000 [ 1777.303677][ T7704] inet6_addr_add+0x30e/0xa40 [ 1777.303677][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.303677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.303677][ T7704] netlink_rcv_skb+0x130/0x360 [ 1777.303677][ T7704] netlink_unicast+0x449/0x710 [ 1777.303677][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1777.303677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1777.303677][ T7704] ___sys_sendmsg+0xee/0x170 [ 1777.303677][ T7704] __sys_sendmsg+0xcd/0x170 [ 1777.303677][ T7704] do_syscall_64+0xc6/0x1e0 [ 1777.303677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.303677][ T7704] [ 1777.305942][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1777.305942][ T7704] netdev_get_by_index+0x5e/0x80 [ 1777.305942][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1777.305942][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1777.305942][ T7704] ip6_route_add+0x1c/0x140 [ 1777.305942][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1777.305942][ T7704] addrconf_add_dev+0xe2/0x170 [ 1777.305942][ T7704] inet6_addr_add+0x12f/0xa40 [ 1777.305942][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.305942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.305942][ T7704] netlink_rcv_skb+0x130/0x360 [ 1777.305942][ T7704] netlink_unicast+0x449/0x710 [ 1777.305942][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1777.305942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1777.305942][ T7704] ___sys_sendmsg+0xee/0x170 [ 1777.305942][ T7704] __sys_sendmsg+0xcd/0x170 [ 1777.305942][ T7704] do_syscall_64+0xc6/0x1e0 [ 1777.305942][ T7704] [ 1777.308138][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1777.308138][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1777.308138][ T7704] ipv6_find_idev+0x102/0x170 [ 1777.308138][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1777.308138][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.308138][ T7704] netlink_rcv_skb+0x130/0x360 [ 1777.308138][ T7704] netlink_unicast+0x449/0x710 [ 1777.308138][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1777.308138][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1777.308138][ T7704] ___sys_sendmsg+0xee/0x170 [ 1777.308138][ T7704] __sys_sendmsg+0xcd/0x170 [ 1777.308138][ T7704] do_syscall_64+0xc6/0x1e0 [ 1777.308138][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.308138][ T7704] [ 1777.309877][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1777.309877][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1777.309877][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1777.309877][ T7704] ipv6_find_idev+0x102/0x170 [ 1777.309877][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1777.309877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.309877][ T7704] netlink_rcv_skb+0x130/0x360 [ 1777.309877][ T7704] netlink_unicast+0x449/0x710 [ 1777.309877][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1777.309877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1777.309877][ T7704] ___sys_sendmsg+0xee/0x170 [ 1777.309877][ T7704] __sys_sendmsg+0xcd/0x170 [ 1777.309877][ T7704] do_syscall_64+0xc6/0x1e0 [ 1777.309877][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.309877][ T7704] [ 1787.548807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1787.549306][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1787.549306][ T7704] netdev_get_by_index+0x5e/0x80 [ 1787.549306][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1787.549306][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1787.549306][ T7704] ip6_route_add+0x1c/0x140 [ 1787.549306][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1787.549306][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1787.549306][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.549306][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.549306][ T7704] netlink_rcv_skb+0x130/0x360 [ 1787.549306][ T7704] netlink_unicast+0x449/0x710 [ 1787.549306][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1787.549306][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1787.549306][ T7704] ___sys_sendmsg+0xee/0x170 [ 1787.549306][ T7704] __sys_sendmsg+0xcd/0x170 [ 1787.549306][ T7704] do_syscall_64+0xc6/0x1e0 [ 1787.549306][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.549306][ T7704] [ 1787.551574][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1787.551574][ T7704] netdev_get_by_index+0x5e/0x80 [ 1787.551574][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1787.551574][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1787.551574][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1787.551574][ T7704] ipv6_add_addr+0x411/0x2000 [ 1787.551574][ T7704] inet6_addr_add+0x30e/0xa40 [ 1787.551574][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.551574][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.551574][ T7704] netlink_rcv_skb+0x130/0x360 [ 1787.551574][ T7704] netlink_unicast+0x449/0x710 [ 1787.551574][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1787.551574][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1787.551574][ T7704] ___sys_sendmsg+0xee/0x170 [ 1787.551574][ T7704] __sys_sendmsg+0xcd/0x170 [ 1787.551574][ T7704] do_syscall_64+0xc6/0x1e0 [ 1787.551574][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.551574][ T7704] [ 1787.553855][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1787.553855][ T7704] netdev_get_by_index+0x5e/0x80 [ 1787.553855][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1787.553855][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1787.553855][ T7704] ip6_route_add+0x1c/0x140 [ 1787.553855][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1787.553855][ T7704] addrconf_add_dev+0xe2/0x170 [ 1787.553855][ T7704] inet6_addr_add+0x12f/0xa40 [ 1787.553855][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.553855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.553855][ T7704] netlink_rcv_skb+0x130/0x360 [ 1787.553855][ T7704] netlink_unicast+0x449/0x710 [ 1787.553855][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1787.553855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1787.553855][ T7704] ___sys_sendmsg+0xee/0x170 [ 1787.553855][ T7704] __sys_sendmsg+0xcd/0x170 [ 1787.553855][ T7704] do_syscall_64+0xc6/0x1e0 [ 1787.553855][ T7704] [ 1787.556392][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1787.556392][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1787.556392][ T7704] ipv6_find_idev+0x102/0x170 [ 1787.556392][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1787.556392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.556392][ T7704] netlink_rcv_skb+0x130/0x360 [ 1787.556392][ T7704] netlink_unicast+0x449/0x710 [ 1787.556392][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1787.556392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1787.556392][ T7704] ___sys_sendmsg+0xee/0x170 [ 1787.556392][ T7704] __sys_sendmsg+0xcd/0x170 [ 1787.556392][ T7704] do_syscall_64+0xc6/0x1e0 [ 1787.556392][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.556392][ T7704] [ 1787.558739][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1787.558739][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1787.558739][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1787.558739][ T7704] ipv6_find_idev+0x102/0x170 [ 1787.558739][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1787.558739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.558739][ T7704] netlink_rcv_skb+0x130/0x360 [ 1787.558739][ T7704] netlink_unicast+0x449/0x710 [ 1787.558739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1787.558739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1787.558739][ T7704] ___sys_sendmsg+0xee/0x170 [ 1787.558739][ T7704] __sys_sendmsg+0xcd/0x170 [ 1787.558739][ T7704] do_syscall_64+0xc6/0x1e0 [ 1787.558739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.558739][ T7704] [ 1797.668809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1797.669365][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1797.669365][ T7704] netdev_get_by_index+0x5e/0x80 [ 1797.669365][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1797.669365][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1797.669365][ T7704] ip6_route_add+0x1c/0x140 [ 1797.669365][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1797.669365][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1797.669365][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1797.669365][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1797.669365][ T7704] netlink_rcv_skb+0x130/0x360 [ 1797.669365][ T7704] netlink_unicast+0x449/0x710 [ 1797.669365][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1797.669365][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1797.669365][ T7704] ___sys_sendmsg+0xee/0x170 [ 1797.669365][ T7704] __sys_sendmsg+0xcd/0x170 [ 1797.669365][ T7704] do_syscall_64+0xc6/0x1e0 [ 1797.669365][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1797.669365][ T7704] [ 1797.671680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1797.671680][ T7704] netdev_get_by_index+0x5e/0x80 [ 1797.671680][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1797.671680][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1797.671680][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1797.671680][ T7704] ipv6_add_addr+0x411/0x2000 [ 1797.671680][ T7704] inet6_addr_add+0x30e/0xa40 [ 1797.671680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1797.671680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1797.671680][ T7704] netlink_rcv_skb+0x130/0x360 [ 1797.671680][ T7704] netlink_unicast+0x449/0x710 [ 1797.671680][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1797.671680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1797.671680][ T7704] ___sys_sendmsg+0xee/0x170 [ 1797.671680][ T7704] __sys_sendmsg+0xcd/0x170 [ 1797.671680][ T7704] do_syscall_64+0xc6/0x1e0 [ 1797.671680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1797.671680][ T7704] [ 1797.673932][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1797.673932][ T7704] netdev_get_by_index+0x5e/0x80 [ 1797.673932][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1797.673932][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1797.673932][ T7704] ip6_route_add+0x1c/0x140 [ 1797.673932][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1797.673932][ T7704] addrconf_add_dev+0xe2/0x170 [ 1797.673932][ T7704] inet6_addr_add+0x12f/0xa40 [ 1797.673932][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1797.673932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1797.673932][ T7704] netlink_rcv_skb+0x130/0x360 [ 1797.673932][ T7704] netlink_unicast+0x449/0x710 [ 1797.673932][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1797.673932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1797.673932][ T7704] ___sys_sendmsg+0xee/0x170 [ 1797.673932][ T7704] __sys_sendmsg+0xcd/0x170 [ 1797.673932][ T7704] do_syscall_64+0xc6/0x1e0 [ 1797.673932][ T7704] [ 1797.676134][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1797.676134][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1797.676134][ T7704] ipv6_find_idev+0x102/0x170 [ 1797.676134][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1797.676134][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1797.676134][ T7704] netlink_rcv_skb+0x130/0x360 [ 1797.676134][ T7704] netlink_unicast+0x449/0x710 [ 1797.676134][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1797.676134][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1797.676134][ T7704] ___sys_sendmsg+0xee/0x170 [ 1797.676134][ T7704] __sys_sendmsg+0xcd/0x170 [ 1797.676134][ T7704] do_syscall_64+0xc6/0x1e0 [ 1797.676134][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1797.676134][ T7704] [ 1797.677855][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1797.677855][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1797.677855][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1797.677855][ T7704] ipv6_find_idev+0x102/0x170 [ 1797.677855][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1797.677855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1797.677855][ T7704] netlink_rcv_skb+0x130/0x360 [ 1797.677855][ T7704] netlink_unicast+0x449/0x710 [ 1797.677855][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1797.677855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1797.677855][ T7704] ___sys_sendmsg+0xee/0x170 [ 1797.677855][ T7704] __sys_sendmsg+0xcd/0x170 [ 1797.677855][ T7704] do_syscall_64+0xc6/0x1e0 [ 1797.677855][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1797.677855][ T7704] [ 1807.700780][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1807.701274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1807.701274][ T7704] netdev_get_by_index+0x5e/0x80 [ 1807.701274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1807.701274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1807.701274][ T7704] ip6_route_add+0x1c/0x140 [ 1807.701274][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1807.701274][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1807.701274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1807.701274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.701274][ T7704] netlink_rcv_skb+0x130/0x360 [ 1807.701274][ T7704] netlink_unicast+0x449/0x710 [ 1807.701274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1807.701274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1807.701274][ T7704] ___sys_sendmsg+0xee/0x170 [ 1807.701274][ T7704] __sys_sendmsg+0xcd/0x170 [ 1807.701274][ T7704] do_syscall_64+0xc6/0x1e0 [ 1807.701274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.701274][ T7704] [ 1807.703680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1807.703680][ T7704] netdev_get_by_index+0x5e/0x80 [ 1807.703680][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1807.703680][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1807.703680][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1807.703680][ T7704] ipv6_add_addr+0x411/0x2000 [ 1807.703680][ T7704] inet6_addr_add+0x30e/0xa40 [ 1807.703680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1807.703680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.703680][ T7704] netlink_rcv_skb+0x130/0x360 [ 1807.703680][ T7704] netlink_unicast+0x449/0x710 [ 1807.703680][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1807.703680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1807.703680][ T7704] ___sys_sendmsg+0xee/0x170 [ 1807.703680][ T7704] __sys_sendmsg+0xcd/0x170 [ 1807.703680][ T7704] do_syscall_64+0xc6/0x1e0 [ 1807.703680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.703680][ T7704] [ 1807.706068][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1807.706068][ T7704] netdev_get_by_index+0x5e/0x80 [ 1807.706068][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1807.706068][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1807.706068][ T7704] ip6_route_add+0x1c/0x140 [ 1807.706068][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1807.706068][ T7704] addrconf_add_dev+0xe2/0x170 [ 1807.706068][ T7704] inet6_addr_add+0x12f/0xa40 [ 1807.706068][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1807.706068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.706068][ T7704] netlink_rcv_skb+0x130/0x360 [ 1807.706068][ T7704] netlink_unicast+0x449/0x710 [ 1807.706068][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1807.706068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1807.706068][ T7704] ___sys_sendmsg+0xee/0x170 [ 1807.706068][ T7704] __sys_sendmsg+0xcd/0x170 [ 1807.706068][ T7704] do_syscall_64+0xc6/0x1e0 [ 1807.706068][ T7704] [ 1807.708416][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1807.708416][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1807.708416][ T7704] ipv6_find_idev+0x102/0x170 [ 1807.708416][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1807.708416][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.708416][ T7704] netlink_rcv_skb+0x130/0x360 [ 1807.708416][ T7704] netlink_unicast+0x449/0x710 [ 1807.708416][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1807.708416][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1807.708416][ T7704] ___sys_sendmsg+0xee/0x170 [ 1807.708416][ T7704] __sys_sendmsg+0xcd/0x170 [ 1807.708416][ T7704] do_syscall_64+0xc6/0x1e0 [ 1807.708416][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.708416][ T7704] [ 1807.710255][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1807.710255][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1807.710255][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1807.710255][ T7704] ipv6_find_idev+0x102/0x170 [ 1807.710255][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1807.710255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.710255][ T7704] netlink_rcv_skb+0x130/0x360 [ 1807.710255][ T7704] netlink_unicast+0x449/0x710 [ 1807.710255][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1807.710255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1807.710255][ T7704] ___sys_sendmsg+0xee/0x170 [ 1807.710255][ T7704] __sys_sendmsg+0xcd/0x170 [ 1807.710255][ T7704] do_syscall_64+0xc6/0x1e0 [ 1807.710255][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.710255][ T7704] [ 1817.948788][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1817.949357][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1817.949357][ T7704] netdev_get_by_index+0x5e/0x80 [ 1817.949357][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1817.949357][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1817.949357][ T7704] ip6_route_add+0x1c/0x140 [ 1817.949357][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1817.949357][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1817.949357][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1817.949357][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.949357][ T7704] netlink_rcv_skb+0x130/0x360 [ 1817.949357][ T7704] netlink_unicast+0x449/0x710 [ 1817.949357][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1817.949357][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1817.949357][ T7704] ___sys_sendmsg+0xee/0x170 [ 1817.949357][ T7704] __sys_sendmsg+0xcd/0x170 [ 1817.949357][ T7704] do_syscall_64+0xc6/0x1e0 [ 1817.949357][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.949357][ T7704] [ 1817.951655][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1817.951655][ T7704] netdev_get_by_index+0x5e/0x80 [ 1817.951655][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1817.951655][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1817.951655][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1817.951655][ T7704] ipv6_add_addr+0x411/0x2000 [ 1817.951655][ T7704] inet6_addr_add+0x30e/0xa40 [ 1817.951655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1817.951655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.951655][ T7704] netlink_rcv_skb+0x130/0x360 [ 1817.951655][ T7704] netlink_unicast+0x449/0x710 [ 1817.951655][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1817.951655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1817.951655][ T7704] ___sys_sendmsg+0xee/0x170 [ 1817.951655][ T7704] __sys_sendmsg+0xcd/0x170 [ 1817.951655][ T7704] do_syscall_64+0xc6/0x1e0 [ 1817.951655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.951655][ T7704] [ 1817.953909][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1817.953909][ T7704] netdev_get_by_index+0x5e/0x80 [ 1817.953909][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1817.953909][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1817.953909][ T7704] ip6_route_add+0x1c/0x140 [ 1817.953909][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1817.953909][ T7704] addrconf_add_dev+0xe2/0x170 [ 1817.953909][ T7704] inet6_addr_add+0x12f/0xa40 [ 1817.953909][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1817.953909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.953909][ T7704] netlink_rcv_skb+0x130/0x360 [ 1817.953909][ T7704] netlink_unicast+0x449/0x710 [ 1817.953909][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1817.953909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1817.953909][ T7704] ___sys_sendmsg+0xee/0x170 [ 1817.953909][ T7704] __sys_sendmsg+0xcd/0x170 [ 1817.953909][ T7704] do_syscall_64+0xc6/0x1e0 [ 1817.953909][ T7704] [ 1817.956114][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1817.956114][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1817.956114][ T7704] ipv6_find_idev+0x102/0x170 [ 1817.956114][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1817.956114][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.956114][ T7704] netlink_rcv_skb+0x130/0x360 [ 1817.956114][ T7704] netlink_unicast+0x449/0x710 [ 1817.956114][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1817.956114][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1817.956114][ T7704] ___sys_sendmsg+0xee/0x170 [ 1817.956114][ T7704] __sys_sendmsg+0xcd/0x170 [ 1817.956114][ T7704] do_syscall_64+0xc6/0x1e0 [ 1817.956114][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.956114][ T7704] [ 1817.957854][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1817.957854][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1817.957854][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1817.957854][ T7704] ipv6_find_idev+0x102/0x170 [ 1817.957854][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1817.957854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.957854][ T7704] netlink_rcv_skb+0x130/0x360 [ 1817.957854][ T7704] netlink_unicast+0x449/0x710 [ 1817.957854][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1817.957854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1817.957854][ T7704] ___sys_sendmsg+0xee/0x170 [ 1817.957854][ T7704] __sys_sendmsg+0xcd/0x170 [ 1817.957854][ T7704] do_syscall_64+0xc6/0x1e0 [ 1817.957854][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.957854][ T7704] [ 1828.332956][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1828.333484][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1828.333484][ T7704] netdev_get_by_index+0x5e/0x80 [ 1828.333484][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1828.333484][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1828.333484][ T7704] ip6_route_add+0x1c/0x140 [ 1828.333484][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1828.333484][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1828.333484][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1828.333484][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.333484][ T7704] netlink_rcv_skb+0x130/0x360 [ 1828.333484][ T7704] netlink_unicast+0x449/0x710 [ 1828.333484][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1828.333484][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1828.333484][ T7704] ___sys_sendmsg+0xee/0x170 [ 1828.333484][ T7704] __sys_sendmsg+0xcd/0x170 [ 1828.333484][ T7704] do_syscall_64+0xc6/0x1e0 [ 1828.333484][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.333484][ T7704] [ 1828.335769][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1828.335769][ T7704] netdev_get_by_index+0x5e/0x80 [ 1828.335769][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1828.335769][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1828.335769][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1828.335769][ T7704] ipv6_add_addr+0x411/0x2000 [ 1828.335769][ T7704] inet6_addr_add+0x30e/0xa40 [ 1828.335769][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1828.335769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.335769][ T7704] netlink_rcv_skb+0x130/0x360 [ 1828.335769][ T7704] netlink_unicast+0x449/0x710 [ 1828.335769][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1828.335769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1828.335769][ T7704] ___sys_sendmsg+0xee/0x170 [ 1828.335769][ T7704] __sys_sendmsg+0xcd/0x170 [ 1828.335769][ T7704] do_syscall_64+0xc6/0x1e0 [ 1828.335769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.335769][ T7704] [ 1828.337977][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1828.337977][ T7704] netdev_get_by_index+0x5e/0x80 [ 1828.337977][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1828.337977][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1828.337977][ T7704] ip6_route_add+0x1c/0x140 [ 1828.337977][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1828.337977][ T7704] addrconf_add_dev+0xe2/0x170 [ 1828.337977][ T7704] inet6_addr_add+0x12f/0xa40 [ 1828.337977][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1828.337977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.337977][ T7704] netlink_rcv_skb+0x130/0x360 [ 1828.337977][ T7704] netlink_unicast+0x449/0x710 [ 1828.337977][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1828.337977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1828.337977][ T7704] ___sys_sendmsg+0xee/0x170 [ 1828.337977][ T7704] __sys_sendmsg+0xcd/0x170 [ 1828.337977][ T7704] do_syscall_64+0xc6/0x1e0 [ 1828.337977][ T7704] [ 1828.340673][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1828.340673][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1828.340673][ T7704] ipv6_find_idev+0x102/0x170 [ 1828.340673][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1828.340673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.340673][ T7704] netlink_rcv_skb+0x130/0x360 [ 1828.340673][ T7704] netlink_unicast+0x449/0x710 [ 1828.340673][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1828.340673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1828.340673][ T7704] ___sys_sendmsg+0xee/0x170 [ 1828.340673][ T7704] __sys_sendmsg+0xcd/0x170 [ 1828.340673][ T7704] do_syscall_64+0xc6/0x1e0 [ 1828.340673][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.340673][ T7704] [ 1828.342396][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1828.342396][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1828.342396][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1828.342396][ T7704] ipv6_find_idev+0x102/0x170 [ 1828.342396][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1828.342396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.342396][ T7704] netlink_rcv_skb+0x130/0x360 [ 1828.342396][ T7704] netlink_unicast+0x449/0x710 [ 1828.342396][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1828.342396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1828.342396][ T7704] ___sys_sendmsg+0xee/0x170 [ 1828.342396][ T7704] __sys_sendmsg+0xcd/0x170 [ 1828.342396][ T7704] do_syscall_64+0xc6/0x1e0 [ 1828.342396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.342396][ T7704] [ 1838.500891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1838.501375][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1838.501375][ T7704] netdev_get_by_index+0x5e/0x80 [ 1838.501375][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1838.501375][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1838.501375][ T7704] ip6_route_add+0x1c/0x140 [ 1838.501375][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1838.501375][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1838.501375][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1838.501375][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1838.501375][ T7704] netlink_rcv_skb+0x130/0x360 [ 1838.501375][ T7704] netlink_unicast+0x449/0x710 [ 1838.501375][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1838.501375][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1838.501375][ T7704] ___sys_sendmsg+0xee/0x170 [ 1838.501375][ T7704] __sys_sendmsg+0xcd/0x170 [ 1838.501375][ T7704] do_syscall_64+0xc6/0x1e0 [ 1838.501375][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1838.501375][ T7704] [ 1838.503654][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1838.503654][ T7704] netdev_get_by_index+0x5e/0x80 [ 1838.503654][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1838.503654][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1838.503654][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1838.503654][ T7704] ipv6_add_addr+0x411/0x2000 [ 1838.503654][ T7704] inet6_addr_add+0x30e/0xa40 [ 1838.503654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1838.503654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1838.503654][ T7704] netlink_rcv_skb+0x130/0x360 [ 1838.503654][ T7704] netlink_unicast+0x449/0x710 [ 1838.503654][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1838.503654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1838.503654][ T7704] ___sys_sendmsg+0xee/0x170 [ 1838.503654][ T7704] __sys_sendmsg+0xcd/0x170 [ 1838.503654][ T7704] do_syscall_64+0xc6/0x1e0 [ 1838.503654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1838.503654][ T7704] [ 1838.505893][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1838.505893][ T7704] netdev_get_by_index+0x5e/0x80 [ 1838.505893][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1838.505893][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1838.505893][ T7704] ip6_route_add+0x1c/0x140 [ 1838.505893][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1838.505893][ T7704] addrconf_add_dev+0xe2/0x170 [ 1838.505893][ T7704] inet6_addr_add+0x12f/0xa40 [ 1838.505893][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1838.505893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1838.505893][ T7704] netlink_rcv_skb+0x130/0x360 [ 1838.505893][ T7704] netlink_unicast+0x449/0x710 [ 1838.505893][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1838.505893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1838.505893][ T7704] ___sys_sendmsg+0xee/0x170 [ 1838.505893][ T7704] __sys_sendmsg+0xcd/0x170 [ 1838.505893][ T7704] do_syscall_64+0xc6/0x1e0 [ 1838.505893][ T7704] [ 1838.508101][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1838.508101][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1838.508101][ T7704] ipv6_find_idev+0x102/0x170 [ 1838.508101][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1838.508101][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1838.508101][ T7704] netlink_rcv_skb+0x130/0x360 [ 1838.508101][ T7704] netlink_unicast+0x449/0x710 [ 1838.508101][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1838.508101][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1838.508101][ T7704] ___sys_sendmsg+0xee/0x170 [ 1838.508101][ T7704] __sys_sendmsg+0xcd/0x170 [ 1838.508101][ T7704] do_syscall_64+0xc6/0x1e0 [ 1838.508101][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1838.508101][ T7704] [ 1838.509826][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1838.509826][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1838.509826][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1838.509826][ T7704] ipv6_find_idev+0x102/0x170 [ 1838.509826][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1838.509826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1838.509826][ T7704] netlink_rcv_skb+0x130/0x360 [ 1838.509826][ T7704] netlink_unicast+0x449/0x710 [ 1838.509826][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1838.509826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1838.509826][ T7704] ___sys_sendmsg+0xee/0x170 [ 1838.509826][ T7704] __sys_sendmsg+0xcd/0x170 [ 1838.509826][ T7704] do_syscall_64+0xc6/0x1e0 [ 1838.509826][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1838.509826][ T7704] [ 1848.604801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1848.605286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1848.605286][ T7704] netdev_get_by_index+0x5e/0x80 [ 1848.605286][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1848.605286][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1848.605286][ T7704] ip6_route_add+0x1c/0x140 [ 1848.605286][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1848.605286][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1848.605286][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1848.605286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.605286][ T7704] netlink_rcv_skb+0x130/0x360 [ 1848.605286][ T7704] netlink_unicast+0x449/0x710 [ 1848.605286][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1848.605286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1848.605286][ T7704] ___sys_sendmsg+0xee/0x170 [ 1848.605286][ T7704] __sys_sendmsg+0xcd/0x170 [ 1848.605286][ T7704] do_syscall_64+0xc6/0x1e0 [ 1848.605286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.605286][ T7704] [ 1848.607556][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1848.607556][ T7704] netdev_get_by_index+0x5e/0x80 [ 1848.607556][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1848.607556][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1848.607556][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1848.607556][ T7704] ipv6_add_addr+0x411/0x2000 [ 1848.607556][ T7704] inet6_addr_add+0x30e/0xa40 [ 1848.607556][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1848.607556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.607556][ T7704] netlink_rcv_skb+0x130/0x360 [ 1848.607556][ T7704] netlink_unicast+0x449/0x710 [ 1848.607556][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1848.607556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1848.607556][ T7704] ___sys_sendmsg+0xee/0x170 [ 1848.607556][ T7704] __sys_sendmsg+0xcd/0x170 [ 1848.607556][ T7704] do_syscall_64+0xc6/0x1e0 [ 1848.607556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.607556][ T7704] [ 1848.609800][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1848.609800][ T7704] netdev_get_by_index+0x5e/0x80 [ 1848.609800][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1848.609800][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1848.609800][ T7704] ip6_route_add+0x1c/0x140 [ 1848.609800][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1848.609800][ T7704] addrconf_add_dev+0xe2/0x170 [ 1848.609800][ T7704] inet6_addr_add+0x12f/0xa40 [ 1848.609800][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1848.609800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.609800][ T7704] netlink_rcv_skb+0x130/0x360 [ 1848.609800][ T7704] netlink_unicast+0x449/0x710 [ 1848.609800][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1848.609800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1848.609800][ T7704] ___sys_sendmsg+0xee/0x170 [ 1848.609800][ T7704] __sys_sendmsg+0xcd/0x170 [ 1848.609800][ T7704] do_syscall_64+0xc6/0x1e0 [ 1848.609800][ T7704] [ 1848.612025][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1848.612025][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1848.612025][ T7704] ipv6_find_idev+0x102/0x170 [ 1848.612025][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1848.612025][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.612025][ T7704] netlink_rcv_skb+0x130/0x360 [ 1848.612025][ T7704] netlink_unicast+0x449/0x710 [ 1848.612025][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1848.612025][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1848.612025][ T7704] ___sys_sendmsg+0xee/0x170 [ 1848.612025][ T7704] __sys_sendmsg+0xcd/0x170 [ 1848.612025][ T7704] do_syscall_64+0xc6/0x1e0 [ 1848.612025][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.612025][ T7704] [ 1848.613757][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1848.613757][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1848.613757][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1848.613757][ T7704] ipv6_find_idev+0x102/0x170 [ 1848.613757][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1848.613757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.613757][ T7704] netlink_rcv_skb+0x130/0x360 [ 1848.613757][ T7704] netlink_unicast+0x449/0x710 [ 1848.613757][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1848.613757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1848.613757][ T7704] ___sys_sendmsg+0xee/0x170 [ 1848.613757][ T7704] __sys_sendmsg+0xcd/0x170 [ 1848.613757][ T7704] do_syscall_64+0xc6/0x1e0 [ 1848.613757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.613757][ T7704] [ 1858.836860][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1858.837546][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1858.837546][ T7704] netdev_get_by_index+0x5e/0x80 [ 1858.837546][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1858.837546][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1858.837546][ T7704] ip6_route_add+0x1c/0x140 [ 1858.837546][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1858.837546][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1858.837546][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1858.837546][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.837546][ T7704] netlink_rcv_skb+0x130/0x360 [ 1858.837546][ T7704] netlink_unicast+0x449/0x710 [ 1858.837546][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1858.837546][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1858.837546][ T7704] ___sys_sendmsg+0xee/0x170 [ 1858.837546][ T7704] __sys_sendmsg+0xcd/0x170 [ 1858.837546][ T7704] do_syscall_64+0xc6/0x1e0 [ 1858.837546][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.837546][ T7704] [ 1858.841061][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1858.841061][ T7704] netdev_get_by_index+0x5e/0x80 [ 1858.841061][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1858.841061][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1858.841061][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1858.841061][ T7704] ipv6_add_addr+0x411/0x2000 [ 1858.841061][ T7704] inet6_addr_add+0x30e/0xa40 [ 1858.841061][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1858.841061][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.841061][ T7704] netlink_rcv_skb+0x130/0x360 [ 1858.841061][ T7704] netlink_unicast+0x449/0x710 [ 1858.841061][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1858.841061][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1858.841061][ T7704] ___sys_sendmsg+0xee/0x170 [ 1858.841061][ T7704] __sys_sendmsg+0xcd/0x170 [ 1858.841061][ T7704] do_syscall_64+0xc6/0x1e0 [ 1858.841061][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.841061][ T7704] [ 1858.844529][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1858.844529][ T7704] netdev_get_by_index+0x5e/0x80 [ 1858.844529][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1858.844529][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1858.844529][ T7704] ip6_route_add+0x1c/0x140 [ 1858.844529][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1858.844529][ T7704] addrconf_add_dev+0xe2/0x170 [ 1858.844529][ T7704] inet6_addr_add+0x12f/0xa40 [ 1858.844529][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1858.844529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.844529][ T7704] netlink_rcv_skb+0x130/0x360 [ 1858.844529][ T7704] netlink_unicast+0x449/0x710 [ 1858.844529][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1858.844529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1858.844529][ T7704] ___sys_sendmsg+0xee/0x170 [ 1858.844529][ T7704] __sys_sendmsg+0xcd/0x170 [ 1858.844529][ T7704] do_syscall_64+0xc6/0x1e0 [ 1858.844529][ T7704] [ 1858.847957][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1858.847957][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1858.847957][ T7704] ipv6_find_idev+0x102/0x170 [ 1858.847957][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1858.847957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.847957][ T7704] netlink_rcv_skb+0x130/0x360 [ 1858.847957][ T7704] netlink_unicast+0x449/0x710 [ 1858.847957][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1858.847957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1858.847957][ T7704] ___sys_sendmsg+0xee/0x170 [ 1858.847957][ T7704] __sys_sendmsg+0xcd/0x170 [ 1858.847957][ T7704] do_syscall_64+0xc6/0x1e0 [ 1858.847957][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.847957][ T7704] [ 1858.850648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1858.850648][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1858.850648][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1858.850648][ T7704] ipv6_find_idev+0x102/0x170 [ 1858.850648][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1858.850648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.850648][ T7704] netlink_rcv_skb+0x130/0x360 [ 1858.850648][ T7704] netlink_unicast+0x449/0x710 [ 1858.850648][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1858.850648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1858.850648][ T7704] ___sys_sendmsg+0xee/0x170 [ 1858.850648][ T7704] __sys_sendmsg+0xcd/0x170 [ 1858.850648][ T7704] do_syscall_64+0xc6/0x1e0 [ 1858.850648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.850648][ T7704] [ 1869.100769][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1869.101486][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1869.101486][ T7704] netdev_get_by_index+0x5e/0x80 [ 1869.101486][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1869.101486][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1869.101486][ T7704] ip6_route_add+0x1c/0x140 [ 1869.101486][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1869.101486][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1869.101486][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.101486][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.101486][ T7704] netlink_rcv_skb+0x130/0x360 [ 1869.101486][ T7704] netlink_unicast+0x449/0x710 [ 1869.101486][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1869.101486][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1869.101486][ T7704] ___sys_sendmsg+0xee/0x170 [ 1869.101486][ T7704] __sys_sendmsg+0xcd/0x170 [ 1869.101486][ T7704] do_syscall_64+0xc6/0x1e0 [ 1869.101486][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.101486][ T7704] [ 1869.105119][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1869.105119][ T7704] netdev_get_by_index+0x5e/0x80 [ 1869.105119][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1869.105119][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1869.105119][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1869.105119][ T7704] ipv6_add_addr+0x411/0x2000 [ 1869.105119][ T7704] inet6_addr_add+0x30e/0xa40 [ 1869.105119][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.105119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.105119][ T7704] netlink_rcv_skb+0x130/0x360 [ 1869.105119][ T7704] netlink_unicast+0x449/0x710 [ 1869.105119][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1869.105119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1869.105119][ T7704] ___sys_sendmsg+0xee/0x170 [ 1869.105119][ T7704] __sys_sendmsg+0xcd/0x170 [ 1869.105119][ T7704] do_syscall_64+0xc6/0x1e0 [ 1869.105119][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.105119][ T7704] [ 1869.108721][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1869.108721][ T7704] netdev_get_by_index+0x5e/0x80 [ 1869.108721][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1869.108721][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1869.108721][ T7704] ip6_route_add+0x1c/0x140 [ 1869.108721][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1869.108721][ T7704] addrconf_add_dev+0xe2/0x170 [ 1869.108721][ T7704] inet6_addr_add+0x12f/0xa40 [ 1869.108721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.108721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.108721][ T7704] netlink_rcv_skb+0x130/0x360 [ 1869.108721][ T7704] netlink_unicast+0x449/0x710 [ 1869.108721][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1869.108721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1869.108721][ T7704] ___sys_sendmsg+0xee/0x170 [ 1869.108721][ T7704] __sys_sendmsg+0xcd/0x170 [ 1869.108721][ T7704] do_syscall_64+0xc6/0x1e0 [ 1869.108721][ T7704] [ 1869.112369][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1869.112369][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1869.112369][ T7704] ipv6_find_idev+0x102/0x170 [ 1869.112369][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1869.112369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.112369][ T7704] netlink_rcv_skb+0x130/0x360 [ 1869.112369][ T7704] netlink_unicast+0x449/0x710 [ 1869.112369][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1869.112369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1869.112369][ T7704] ___sys_sendmsg+0xee/0x170 [ 1869.112369][ T7704] __sys_sendmsg+0xcd/0x170 [ 1869.112369][ T7704] do_syscall_64+0xc6/0x1e0 [ 1869.112369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.112369][ T7704] [ 1869.115188][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1869.115188][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1869.115188][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1869.115188][ T7704] ipv6_find_idev+0x102/0x170 [ 1869.115188][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1869.115188][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.115188][ T7704] netlink_rcv_skb+0x130/0x360 [ 1869.115188][ T7704] netlink_unicast+0x449/0x710 [ 1869.115188][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1869.115188][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1869.115188][ T7704] ___sys_sendmsg+0xee/0x170 [ 1869.115188][ T7704] __sys_sendmsg+0xcd/0x170 [ 1869.115188][ T7704] do_syscall_64+0xc6/0x1e0 [ 1869.115188][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.115188][ T7704] [ 1879.364791][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1879.365345][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1879.365345][ T7704] netdev_get_by_index+0x5e/0x80 [ 1879.365345][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1879.365345][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1879.365345][ T7704] ip6_route_add+0x1c/0x140 [ 1879.365345][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1879.365345][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1879.365345][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1879.365345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.365345][ T7704] netlink_rcv_skb+0x130/0x360 [ 1879.365345][ T7704] netlink_unicast+0x449/0x710 [ 1879.365345][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1879.365345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1879.365345][ T7704] ___sys_sendmsg+0xee/0x170 [ 1879.365345][ T7704] __sys_sendmsg+0xcd/0x170 [ 1879.365345][ T7704] do_syscall_64+0xc6/0x1e0 [ 1879.365345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.365345][ T7704] [ 1879.367649][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1879.367649][ T7704] netdev_get_by_index+0x5e/0x80 [ 1879.367649][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1879.367649][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1879.367649][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1879.367649][ T7704] ipv6_add_addr+0x411/0x2000 [ 1879.367649][ T7704] inet6_addr_add+0x30e/0xa40 [ 1879.367649][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1879.367649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.367649][ T7704] netlink_rcv_skb+0x130/0x360 [ 1879.367649][ T7704] netlink_unicast+0x449/0x710 [ 1879.367649][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1879.367649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1879.367649][ T7704] ___sys_sendmsg+0xee/0x170 [ 1879.367649][ T7704] __sys_sendmsg+0xcd/0x170 [ 1879.367649][ T7704] do_syscall_64+0xc6/0x1e0 [ 1879.367649][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.367649][ T7704] [ 1879.369908][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1879.369908][ T7704] netdev_get_by_index+0x5e/0x80 [ 1879.369908][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1879.369908][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1879.369908][ T7704] ip6_route_add+0x1c/0x140 [ 1879.369908][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1879.369908][ T7704] addrconf_add_dev+0xe2/0x170 [ 1879.369908][ T7704] inet6_addr_add+0x12f/0xa40 [ 1879.369908][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1879.369908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.369908][ T7704] netlink_rcv_skb+0x130/0x360 [ 1879.369908][ T7704] netlink_unicast+0x449/0x710 [ 1879.369908][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1879.369908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1879.369908][ T7704] ___sys_sendmsg+0xee/0x170 [ 1879.369908][ T7704] __sys_sendmsg+0xcd/0x170 [ 1879.369908][ T7704] do_syscall_64+0xc6/0x1e0 [ 1879.369908][ T7704] [ 1879.372893][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1879.372893][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1879.372893][ T7704] ipv6_find_idev+0x102/0x170 [ 1879.372893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1879.372893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.372893][ T7704] netlink_rcv_skb+0x130/0x360 [ 1879.372893][ T7704] netlink_unicast+0x449/0x710 [ 1879.372893][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1879.372893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1879.372893][ T7704] ___sys_sendmsg+0xee/0x170 [ 1879.372893][ T7704] __sys_sendmsg+0xcd/0x170 [ 1879.372893][ T7704] do_syscall_64+0xc6/0x1e0 [ 1879.372893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.372893][ T7704] [ 1879.375126][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1879.375126][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1879.375126][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1879.375126][ T7704] ipv6_find_idev+0x102/0x170 [ 1879.375126][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1879.375126][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.375126][ T7704] netlink_rcv_skb+0x130/0x360 [ 1879.375126][ T7704] netlink_unicast+0x449/0x710 [ 1879.375126][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1879.375126][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1879.375126][ T7704] ___sys_sendmsg+0xee/0x170 [ 1879.375126][ T7704] __sys_sendmsg+0xcd/0x170 [ 1879.375126][ T7704] do_syscall_64+0xc6/0x1e0 [ 1879.375126][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.375126][ T7704] [ 1889.532790][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1889.533259][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1889.533259][ T7704] netdev_get_by_index+0x5e/0x80 [ 1889.533259][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1889.533259][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1889.533259][ T7704] ip6_route_add+0x1c/0x140 [ 1889.533259][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1889.533259][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1889.533259][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1889.533259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.533259][ T7704] netlink_rcv_skb+0x130/0x360 [ 1889.533259][ T7704] netlink_unicast+0x449/0x710 [ 1889.533259][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1889.533259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1889.533259][ T7704] ___sys_sendmsg+0xee/0x170 [ 1889.533259][ T7704] __sys_sendmsg+0xcd/0x170 [ 1889.533259][ T7704] do_syscall_64+0xc6/0x1e0 [ 1889.533259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.533259][ T7704] [ 1889.535506][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1889.535506][ T7704] netdev_get_by_index+0x5e/0x80 [ 1889.535506][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1889.535506][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1889.535506][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1889.535506][ T7704] ipv6_add_addr+0x411/0x2000 [ 1889.535506][ T7704] inet6_addr_add+0x30e/0xa40 [ 1889.535506][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1889.535506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.535506][ T7704] netlink_rcv_skb+0x130/0x360 [ 1889.535506][ T7704] netlink_unicast+0x449/0x710 [ 1889.535506][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1889.535506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1889.535506][ T7704] ___sys_sendmsg+0xee/0x170 [ 1889.535506][ T7704] __sys_sendmsg+0xcd/0x170 [ 1889.535506][ T7704] do_syscall_64+0xc6/0x1e0 [ 1889.535506][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.535506][ T7704] [ 1889.537711][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1889.537711][ T7704] netdev_get_by_index+0x5e/0x80 [ 1889.537711][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1889.537711][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1889.537711][ T7704] ip6_route_add+0x1c/0x140 [ 1889.537711][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1889.537711][ T7704] addrconf_add_dev+0xe2/0x170 [ 1889.537711][ T7704] inet6_addr_add+0x12f/0xa40 [ 1889.537711][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1889.537711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.537711][ T7704] netlink_rcv_skb+0x130/0x360 [ 1889.537711][ T7704] netlink_unicast+0x449/0x710 [ 1889.537711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1889.537711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1889.537711][ T7704] ___sys_sendmsg+0xee/0x170 [ 1889.537711][ T7704] __sys_sendmsg+0xcd/0x170 [ 1889.537711][ T7704] do_syscall_64+0xc6/0x1e0 [ 1889.537711][ T7704] [ 1889.539880][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1889.539880][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1889.539880][ T7704] ipv6_find_idev+0x102/0x170 [ 1889.539880][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1889.539880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.539880][ T7704] netlink_rcv_skb+0x130/0x360 [ 1889.539880][ T7704] netlink_unicast+0x449/0x710 [ 1889.539880][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1889.539880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1889.539880][ T7704] ___sys_sendmsg+0xee/0x170 [ 1889.539880][ T7704] __sys_sendmsg+0xcd/0x170 [ 1889.539880][ T7704] do_syscall_64+0xc6/0x1e0 [ 1889.539880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.539880][ T7704] [ 1889.541599][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1889.541599][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1889.541599][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1889.541599][ T7704] ipv6_find_idev+0x102/0x170 [ 1889.541599][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1889.541599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.541599][ T7704] netlink_rcv_skb+0x130/0x360 [ 1889.541599][ T7704] netlink_unicast+0x449/0x710 [ 1889.541599][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1889.541599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1889.541599][ T7704] ___sys_sendmsg+0xee/0x170 [ 1889.541599][ T7704] __sys_sendmsg+0xcd/0x170 [ 1889.541599][ T7704] do_syscall_64+0xc6/0x1e0 [ 1889.541599][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.541599][ T7704] [ 1899.780872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1899.781345][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1899.781345][ T7704] netdev_get_by_index+0x5e/0x80 [ 1899.781345][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1899.781345][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1899.781345][ T7704] ip6_route_add+0x1c/0x140 [ 1899.781345][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1899.781345][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1899.781345][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1899.781345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.781345][ T7704] netlink_rcv_skb+0x130/0x360 [ 1899.781345][ T7704] netlink_unicast+0x449/0x710 [ 1899.781345][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1899.781345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1899.781345][ T7704] ___sys_sendmsg+0xee/0x170 [ 1899.781345][ T7704] __sys_sendmsg+0xcd/0x170 [ 1899.781345][ T7704] do_syscall_64+0xc6/0x1e0 [ 1899.781345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.781345][ T7704] [ 1899.784199][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1899.784199][ T7704] netdev_get_by_index+0x5e/0x80 [ 1899.784199][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1899.784199][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1899.784199][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1899.784199][ T7704] ipv6_add_addr+0x411/0x2000 [ 1899.784199][ T7704] inet6_addr_add+0x30e/0xa40 [ 1899.784199][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1899.784199][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.784199][ T7704] netlink_rcv_skb+0x130/0x360 [ 1899.784199][ T7704] netlink_unicast+0x449/0x710 [ 1899.784199][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1899.784199][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1899.784199][ T7704] ___sys_sendmsg+0xee/0x170 [ 1899.784199][ T7704] __sys_sendmsg+0xcd/0x170 [ 1899.784199][ T7704] do_syscall_64+0xc6/0x1e0 [ 1899.784199][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.784199][ T7704] [ 1899.786417][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1899.786417][ T7704] netdev_get_by_index+0x5e/0x80 [ 1899.786417][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1899.786417][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1899.786417][ T7704] ip6_route_add+0x1c/0x140 [ 1899.786417][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1899.786417][ T7704] addrconf_add_dev+0xe2/0x170 [ 1899.786417][ T7704] inet6_addr_add+0x12f/0xa40 [ 1899.786417][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1899.786417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.786417][ T7704] netlink_rcv_skb+0x130/0x360 [ 1899.786417][ T7704] netlink_unicast+0x449/0x710 [ 1899.786417][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1899.786417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1899.786417][ T7704] ___sys_sendmsg+0xee/0x170 [ 1899.786417][ T7704] __sys_sendmsg+0xcd/0x170 [ 1899.786417][ T7704] do_syscall_64+0xc6/0x1e0 [ 1899.786417][ T7704] [ 1899.788598][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1899.788598][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1899.788598][ T7704] ipv6_find_idev+0x102/0x170 [ 1899.788598][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1899.788598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.788598][ T7704] netlink_rcv_skb+0x130/0x360 [ 1899.788598][ T7704] netlink_unicast+0x449/0x710 [ 1899.788598][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1899.788598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1899.788598][ T7704] ___sys_sendmsg+0xee/0x170 [ 1899.788598][ T7704] __sys_sendmsg+0xcd/0x170 [ 1899.788598][ T7704] do_syscall_64+0xc6/0x1e0 [ 1899.788598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.788598][ T7704] [ 1899.790303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1899.790303][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1899.790303][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1899.790303][ T7704] ipv6_find_idev+0x102/0x170 [ 1899.790303][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1899.790303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.790303][ T7704] netlink_rcv_skb+0x130/0x360 [ 1899.790303][ T7704] netlink_unicast+0x449/0x710 [ 1899.790303][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1899.790303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1899.790303][ T7704] ___sys_sendmsg+0xee/0x170 [ 1899.790303][ T7704] __sys_sendmsg+0xcd/0x170 [ 1899.790303][ T7704] do_syscall_64+0xc6/0x1e0 [ 1899.790303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.790303][ T7704] [ 1909.884761][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1909.885388][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1909.885388][ T7704] netdev_get_by_index+0x5e/0x80 [ 1909.885388][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1909.885388][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1909.885388][ T7704] ip6_route_add+0x1c/0x140 [ 1909.885388][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1909.885388][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1909.885388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1909.885388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.885388][ T7704] netlink_rcv_skb+0x130/0x360 [ 1909.885388][ T7704] netlink_unicast+0x449/0x710 [ 1909.885388][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1909.885388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1909.885388][ T7704] ___sys_sendmsg+0xee/0x170 [ 1909.885388][ T7704] __sys_sendmsg+0xcd/0x170 [ 1909.885388][ T7704] do_syscall_64+0xc6/0x1e0 [ 1909.885388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.885388][ T7704] [ 1909.887739][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1909.887739][ T7704] netdev_get_by_index+0x5e/0x80 [ 1909.887739][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1909.887739][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1909.887739][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1909.887739][ T7704] ipv6_add_addr+0x411/0x2000 [ 1909.887739][ T7704] inet6_addr_add+0x30e/0xa40 [ 1909.887739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1909.887739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.887739][ T7704] netlink_rcv_skb+0x130/0x360 [ 1909.887739][ T7704] netlink_unicast+0x449/0x710 [ 1909.887739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1909.887739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1909.887739][ T7704] ___sys_sendmsg+0xee/0x170 [ 1909.887739][ T7704] __sys_sendmsg+0xcd/0x170 [ 1909.887739][ T7704] do_syscall_64+0xc6/0x1e0 [ 1909.887739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.887739][ T7704] [ 1909.890021][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1909.890021][ T7704] netdev_get_by_index+0x5e/0x80 [ 1909.890021][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1909.890021][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1909.890021][ T7704] ip6_route_add+0x1c/0x140 [ 1909.890021][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1909.890021][ T7704] addrconf_add_dev+0xe2/0x170 [ 1909.890021][ T7704] inet6_addr_add+0x12f/0xa40 [ 1909.890021][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1909.890021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.890021][ T7704] netlink_rcv_skb+0x130/0x360 [ 1909.890021][ T7704] netlink_unicast+0x449/0x710 [ 1909.890021][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1909.890021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1909.890021][ T7704] ___sys_sendmsg+0xee/0x170 [ 1909.890021][ T7704] __sys_sendmsg+0xcd/0x170 [ 1909.890021][ T7704] do_syscall_64+0xc6/0x1e0 [ 1909.890021][ T7704] [ 1909.892358][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1909.892358][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1909.892358][ T7704] ipv6_find_idev+0x102/0x170 [ 1909.892358][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1909.892358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.892358][ T7704] netlink_rcv_skb+0x130/0x360 [ 1909.892358][ T7704] netlink_unicast+0x449/0x710 [ 1909.892358][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1909.892358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1909.892358][ T7704] ___sys_sendmsg+0xee/0x170 [ 1909.892358][ T7704] __sys_sendmsg+0xcd/0x170 [ 1909.892358][ T7704] do_syscall_64+0xc6/0x1e0 [ 1909.892358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.892358][ T7704] [ 1909.894108][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1909.894108][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1909.894108][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1909.894108][ T7704] ipv6_find_idev+0x102/0x170 [ 1909.894108][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1909.894108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.894108][ T7704] netlink_rcv_skb+0x130/0x360 [ 1909.894108][ T7704] netlink_unicast+0x449/0x710 [ 1909.894108][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1909.894108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1909.894108][ T7704] ___sys_sendmsg+0xee/0x170 [ 1909.894108][ T7704] __sys_sendmsg+0xcd/0x170 [ 1909.894108][ T7704] do_syscall_64+0xc6/0x1e0 [ 1909.894108][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.894108][ T7704] [ 1920.116773][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1920.117339][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1920.117339][ T7704] netdev_get_by_index+0x5e/0x80 [ 1920.117339][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1920.117339][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1920.117339][ T7704] ip6_route_add+0x1c/0x140 [ 1920.117339][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1920.117339][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1920.117339][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.117339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.117339][ T7704] netlink_rcv_skb+0x130/0x360 [ 1920.117339][ T7704] netlink_unicast+0x449/0x710 [ 1920.117339][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1920.117339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1920.117339][ T7704] ___sys_sendmsg+0xee/0x170 [ 1920.117339][ T7704] __sys_sendmsg+0xcd/0x170 [ 1920.117339][ T7704] do_syscall_64+0xc6/0x1e0 [ 1920.117339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.117339][ T7704] [ 1920.119654][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1920.119654][ T7704] netdev_get_by_index+0x5e/0x80 [ 1920.119654][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1920.119654][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1920.119654][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1920.119654][ T7704] ipv6_add_addr+0x411/0x2000 [ 1920.119654][ T7704] inet6_addr_add+0x30e/0xa40 [ 1920.119654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.119654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.119654][ T7704] netlink_rcv_skb+0x130/0x360 [ 1920.119654][ T7704] netlink_unicast+0x449/0x710 [ 1920.119654][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1920.119654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1920.119654][ T7704] ___sys_sendmsg+0xee/0x170 [ 1920.119654][ T7704] __sys_sendmsg+0xcd/0x170 [ 1920.119654][ T7704] do_syscall_64+0xc6/0x1e0 [ 1920.119654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.119654][ T7704] [ 1920.121912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1920.121912][ T7704] netdev_get_by_index+0x5e/0x80 [ 1920.121912][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1920.121912][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1920.121912][ T7704] ip6_route_add+0x1c/0x140 [ 1920.121912][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1920.121912][ T7704] addrconf_add_dev+0xe2/0x170 [ 1920.121912][ T7704] inet6_addr_add+0x12f/0xa40 [ 1920.121912][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.121912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.121912][ T7704] netlink_rcv_skb+0x130/0x360 [ 1920.121912][ T7704] netlink_unicast+0x449/0x710 [ 1920.121912][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1920.121912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1920.121912][ T7704] ___sys_sendmsg+0xee/0x170 [ 1920.121912][ T7704] __sys_sendmsg+0xcd/0x170 [ 1920.121912][ T7704] do_syscall_64+0xc6/0x1e0 [ 1920.121912][ T7704] [ 1920.124117][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1920.124117][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1920.124117][ T7704] ipv6_find_idev+0x102/0x170 [ 1920.124117][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.124117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.124117][ T7704] netlink_rcv_skb+0x130/0x360 [ 1920.124117][ T7704] netlink_unicast+0x449/0x710 [ 1920.124117][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1920.124117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1920.124117][ T7704] ___sys_sendmsg+0xee/0x170 [ 1920.124117][ T7704] __sys_sendmsg+0xcd/0x170 [ 1920.124117][ T7704] do_syscall_64+0xc6/0x1e0 [ 1920.124117][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.124117][ T7704] [ 1920.125852][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1920.125852][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1920.125852][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1920.125852][ T7704] ipv6_find_idev+0x102/0x170 [ 1920.125852][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.125852][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.125852][ T7704] netlink_rcv_skb+0x130/0x360 [ 1920.125852][ T7704] netlink_unicast+0x449/0x710 [ 1920.125852][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1920.125852][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1920.125852][ T7704] ___sys_sendmsg+0xee/0x170 [ 1920.125852][ T7704] __sys_sendmsg+0xcd/0x170 [ 1920.125852][ T7704] do_syscall_64+0xc6/0x1e0 [ 1920.125852][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.125852][ T7704] [ 1930.364907][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1930.365400][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1930.365400][ T7704] netdev_get_by_index+0x5e/0x80 [ 1930.365400][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1930.365400][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1930.365400][ T7704] ip6_route_add+0x1c/0x140 [ 1930.365400][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1930.365400][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1930.365400][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.365400][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.365400][ T7704] netlink_rcv_skb+0x130/0x360 [ 1930.365400][ T7704] netlink_unicast+0x449/0x710 [ 1930.365400][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1930.365400][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1930.365400][ T7704] ___sys_sendmsg+0xee/0x170 [ 1930.365400][ T7704] __sys_sendmsg+0xcd/0x170 [ 1930.365400][ T7704] do_syscall_64+0xc6/0x1e0 [ 1930.365400][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.365400][ T7704] [ 1930.367722][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1930.367722][ T7704] netdev_get_by_index+0x5e/0x80 [ 1930.367722][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1930.367722][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1930.367722][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1930.367722][ T7704] ipv6_add_addr+0x411/0x2000 [ 1930.367722][ T7704] inet6_addr_add+0x30e/0xa40 [ 1930.367722][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.367722][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.367722][ T7704] netlink_rcv_skb+0x130/0x360 [ 1930.367722][ T7704] netlink_unicast+0x449/0x710 [ 1930.367722][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1930.367722][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1930.367722][ T7704] ___sys_sendmsg+0xee/0x170 [ 1930.367722][ T7704] __sys_sendmsg+0xcd/0x170 [ 1930.367722][ T7704] do_syscall_64+0xc6/0x1e0 [ 1930.367722][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.367722][ T7704] [ 1930.370006][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1930.370006][ T7704] netdev_get_by_index+0x5e/0x80 [ 1930.370006][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1930.370006][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1930.370006][ T7704] ip6_route_add+0x1c/0x140 [ 1930.370006][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1930.370006][ T7704] addrconf_add_dev+0xe2/0x170 [ 1930.370006][ T7704] inet6_addr_add+0x12f/0xa40 [ 1930.370006][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.370006][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.370006][ T7704] netlink_rcv_skb+0x130/0x360 [ 1930.370006][ T7704] netlink_unicast+0x449/0x710 [ 1930.370006][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1930.370006][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1930.370006][ T7704] ___sys_sendmsg+0xee/0x170 [ 1930.370006][ T7704] __sys_sendmsg+0xcd/0x170 [ 1930.370006][ T7704] do_syscall_64+0xc6/0x1e0 [ 1930.370006][ T7704] [ 1930.372240][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1930.372240][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1930.372240][ T7704] ipv6_find_idev+0x102/0x170 [ 1930.372240][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.372240][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.372240][ T7704] netlink_rcv_skb+0x130/0x360 [ 1930.372240][ T7704] netlink_unicast+0x449/0x710 [ 1930.372240][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1930.372240][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1930.372240][ T7704] ___sys_sendmsg+0xee/0x170 [ 1930.372240][ T7704] __sys_sendmsg+0xcd/0x170 [ 1930.372240][ T7704] do_syscall_64+0xc6/0x1e0 [ 1930.372240][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.372240][ T7704] [ 1930.373957][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1930.373957][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1930.373957][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1930.373957][ T7704] ipv6_find_idev+0x102/0x170 [ 1930.373957][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.373957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.373957][ T7704] netlink_rcv_skb+0x130/0x360 [ 1930.373957][ T7704] netlink_unicast+0x449/0x710 [ 1930.373957][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1930.373957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1930.373957][ T7704] ___sys_sendmsg+0xee/0x170 [ 1930.373957][ T7704] __sys_sendmsg+0xcd/0x170 [ 1930.373957][ T7704] do_syscall_64+0xc6/0x1e0 [ 1930.373957][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.373957][ T7704] [ 1940.612796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1940.613314][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1940.613314][ T7704] netdev_get_by_index+0x5e/0x80 [ 1940.613314][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1940.613314][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1940.613314][ T7704] ip6_route_add+0x1c/0x140 [ 1940.613314][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1940.613314][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1940.613314][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.613314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.613314][ T7704] netlink_rcv_skb+0x130/0x360 [ 1940.613314][ T7704] netlink_unicast+0x449/0x710 [ 1940.613314][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1940.613314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1940.613314][ T7704] ___sys_sendmsg+0xee/0x170 [ 1940.613314][ T7704] __sys_sendmsg+0xcd/0x170 [ 1940.613314][ T7704] do_syscall_64+0xc6/0x1e0 [ 1940.613314][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.613314][ T7704] [ 1940.615575][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1940.615575][ T7704] netdev_get_by_index+0x5e/0x80 [ 1940.615575][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1940.615575][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1940.615575][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1940.615575][ T7704] ipv6_add_addr+0x411/0x2000 [ 1940.615575][ T7704] inet6_addr_add+0x30e/0xa40 [ 1940.615575][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.615575][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.615575][ T7704] netlink_rcv_skb+0x130/0x360 [ 1940.615575][ T7704] netlink_unicast+0x449/0x710 [ 1940.615575][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1940.615575][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1940.615575][ T7704] ___sys_sendmsg+0xee/0x170 [ 1940.615575][ T7704] __sys_sendmsg+0xcd/0x170 [ 1940.615575][ T7704] do_syscall_64+0xc6/0x1e0 [ 1940.615575][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.615575][ T7704] [ 1940.617784][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1940.617784][ T7704] netdev_get_by_index+0x5e/0x80 [ 1940.617784][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1940.617784][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1940.617784][ T7704] ip6_route_add+0x1c/0x140 [ 1940.617784][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1940.617784][ T7704] addrconf_add_dev+0xe2/0x170 [ 1940.617784][ T7704] inet6_addr_add+0x12f/0xa40 [ 1940.617784][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.617784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.617784][ T7704] netlink_rcv_skb+0x130/0x360 [ 1940.617784][ T7704] netlink_unicast+0x449/0x710 [ 1940.617784][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1940.617784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1940.617784][ T7704] ___sys_sendmsg+0xee/0x170 [ 1940.617784][ T7704] __sys_sendmsg+0xcd/0x170 [ 1940.617784][ T7704] do_syscall_64+0xc6/0x1e0 [ 1940.617784][ T7704] [ 1940.619969][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1940.619969][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1940.619969][ T7704] ipv6_find_idev+0x102/0x170 [ 1940.619969][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1940.619969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.619969][ T7704] netlink_rcv_skb+0x130/0x360 [ 1940.619969][ T7704] netlink_unicast+0x449/0x710 [ 1940.619969][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1940.619969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1940.619969][ T7704] ___sys_sendmsg+0xee/0x170 [ 1940.619969][ T7704] __sys_sendmsg+0xcd/0x170 [ 1940.619969][ T7704] do_syscall_64+0xc6/0x1e0 [ 1940.619969][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.619969][ T7704] [ 1940.621688][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1940.621688][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1940.621688][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1940.621688][ T7704] ipv6_find_idev+0x102/0x170 [ 1940.621688][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1940.621688][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.621688][ T7704] netlink_rcv_skb+0x130/0x360 [ 1940.621688][ T7704] netlink_unicast+0x449/0x710 [ 1940.621688][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1940.621688][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1940.621688][ T7704] ___sys_sendmsg+0xee/0x170 [ 1940.621688][ T7704] __sys_sendmsg+0xcd/0x170 [ 1940.621688][ T7704] do_syscall_64+0xc6/0x1e0 [ 1940.621688][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.621688][ T7704] [ 1950.756820][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1950.757338][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1950.757338][ T7704] netdev_get_by_index+0x5e/0x80 [ 1950.757338][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1950.757338][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1950.757338][ T7704] ip6_route_add+0x1c/0x140 [ 1950.757338][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1950.757338][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1950.757338][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.757338][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.757338][ T7704] netlink_rcv_skb+0x130/0x360 [ 1950.757338][ T7704] netlink_unicast+0x449/0x710 [ 1950.757338][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1950.757338][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1950.757338][ T7704] ___sys_sendmsg+0xee/0x170 [ 1950.757338][ T7704] __sys_sendmsg+0xcd/0x170 [ 1950.757338][ T7704] do_syscall_64+0xc6/0x1e0 [ 1950.757338][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.757338][ T7704] [ 1950.759593][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1950.759593][ T7704] netdev_get_by_index+0x5e/0x80 [ 1950.759593][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1950.759593][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1950.759593][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1950.759593][ T7704] ipv6_add_addr+0x411/0x2000 [ 1950.759593][ T7704] inet6_addr_add+0x30e/0xa40 [ 1950.759593][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.759593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.759593][ T7704] netlink_rcv_skb+0x130/0x360 [ 1950.759593][ T7704] netlink_unicast+0x449/0x710 [ 1950.759593][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1950.759593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1950.759593][ T7704] ___sys_sendmsg+0xee/0x170 [ 1950.759593][ T7704] __sys_sendmsg+0xcd/0x170 [ 1950.759593][ T7704] do_syscall_64+0xc6/0x1e0 [ 1950.759593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.759593][ T7704] [ 1950.761825][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1950.761825][ T7704] netdev_get_by_index+0x5e/0x80 [ 1950.761825][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1950.761825][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1950.761825][ T7704] ip6_route_add+0x1c/0x140 [ 1950.761825][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1950.761825][ T7704] addrconf_add_dev+0xe2/0x170 [ 1950.761825][ T7704] inet6_addr_add+0x12f/0xa40 [ 1950.761825][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.761825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.761825][ T7704] netlink_rcv_skb+0x130/0x360 [ 1950.761825][ T7704] netlink_unicast+0x449/0x710 [ 1950.761825][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1950.761825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1950.761825][ T7704] ___sys_sendmsg+0xee/0x170 [ 1950.761825][ T7704] __sys_sendmsg+0xcd/0x170 [ 1950.761825][ T7704] do_syscall_64+0xc6/0x1e0 [ 1950.761825][ T7704] [ 1950.764102][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1950.764102][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1950.764102][ T7704] ipv6_find_idev+0x102/0x170 [ 1950.764102][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1950.764102][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.764102][ T7704] netlink_rcv_skb+0x130/0x360 [ 1950.764102][ T7704] netlink_unicast+0x449/0x710 [ 1950.764102][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1950.764102][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1950.764102][ T7704] ___sys_sendmsg+0xee/0x170 [ 1950.764102][ T7704] __sys_sendmsg+0xcd/0x170 [ 1950.764102][ T7704] do_syscall_64+0xc6/0x1e0 [ 1950.764102][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.764102][ T7704] [ 1950.765803][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1950.765803][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1950.765803][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1950.765803][ T7704] ipv6_find_idev+0x102/0x170 [ 1950.765803][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1950.765803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.765803][ T7704] netlink_rcv_skb+0x130/0x360 [ 1950.765803][ T7704] netlink_unicast+0x449/0x710 [ 1950.765803][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1950.765803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1950.765803][ T7704] ___sys_sendmsg+0xee/0x170 [ 1950.765803][ T7704] __sys_sendmsg+0xcd/0x170 [ 1950.765803][ T7704] do_syscall_64+0xc6/0x1e0 [ 1950.765803][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.765803][ T7704] [ 1960.804806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1960.805270][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1960.805270][ T7704] netdev_get_by_index+0x5e/0x80 [ 1960.805270][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1960.805270][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1960.805270][ T7704] ip6_route_add+0x1c/0x140 [ 1960.805270][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1960.805270][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1960.805270][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.805270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.805270][ T7704] netlink_rcv_skb+0x130/0x360 [ 1960.805270][ T7704] netlink_unicast+0x449/0x710 [ 1960.805270][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1960.805270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1960.805270][ T7704] ___sys_sendmsg+0xee/0x170 [ 1960.805270][ T7704] __sys_sendmsg+0xcd/0x170 [ 1960.805270][ T7704] do_syscall_64+0xc6/0x1e0 [ 1960.805270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.805270][ T7704] [ 1960.807496][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1960.807496][ T7704] netdev_get_by_index+0x5e/0x80 [ 1960.807496][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1960.807496][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1960.807496][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1960.807496][ T7704] ipv6_add_addr+0x411/0x2000 [ 1960.807496][ T7704] inet6_addr_add+0x30e/0xa40 [ 1960.807496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.807496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.807496][ T7704] netlink_rcv_skb+0x130/0x360 [ 1960.807496][ T7704] netlink_unicast+0x449/0x710 [ 1960.807496][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1960.807496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1960.807496][ T7704] ___sys_sendmsg+0xee/0x170 [ 1960.807496][ T7704] __sys_sendmsg+0xcd/0x170 [ 1960.807496][ T7704] do_syscall_64+0xc6/0x1e0 [ 1960.807496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.807496][ T7704] [ 1960.810232][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1960.810232][ T7704] netdev_get_by_index+0x5e/0x80 [ 1960.810232][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1960.810232][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1960.810232][ T7704] ip6_route_add+0x1c/0x140 [ 1960.810232][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1960.810232][ T7704] addrconf_add_dev+0xe2/0x170 [ 1960.810232][ T7704] inet6_addr_add+0x12f/0xa40 [ 1960.810232][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.810232][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.810232][ T7704] netlink_rcv_skb+0x130/0x360 [ 1960.810232][ T7704] netlink_unicast+0x449/0x710 [ 1960.810232][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1960.810232][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1960.810232][ T7704] ___sys_sendmsg+0xee/0x170 [ 1960.810232][ T7704] __sys_sendmsg+0xcd/0x170 [ 1960.810232][ T7704] do_syscall_64+0xc6/0x1e0 [ 1960.810232][ T7704] [ 1960.812420][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1960.812420][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1960.812420][ T7704] ipv6_find_idev+0x102/0x170 [ 1960.812420][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.812420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.812420][ T7704] netlink_rcv_skb+0x130/0x360 [ 1960.812420][ T7704] netlink_unicast+0x449/0x710 [ 1960.812420][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1960.812420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1960.812420][ T7704] ___sys_sendmsg+0xee/0x170 [ 1960.812420][ T7704] __sys_sendmsg+0xcd/0x170 [ 1960.812420][ T7704] do_syscall_64+0xc6/0x1e0 [ 1960.812420][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.812420][ T7704] [ 1960.814114][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1960.814114][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1960.814114][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1960.814114][ T7704] ipv6_find_idev+0x102/0x170 [ 1960.814114][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.814114][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.814114][ T7704] netlink_rcv_skb+0x130/0x360 [ 1960.814114][ T7704] netlink_unicast+0x449/0x710 [ 1960.814114][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1960.814114][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1960.814114][ T7704] ___sys_sendmsg+0xee/0x170 [ 1960.814114][ T7704] __sys_sendmsg+0xcd/0x170 [ 1960.814114][ T7704] do_syscall_64+0xc6/0x1e0 [ 1960.814114][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.814114][ T7704] [ 1971.052901][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1971.053354][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1971.053354][ T7704] netdev_get_by_index+0x5e/0x80 [ 1971.053354][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1971.053354][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1971.053354][ T7704] ip6_route_add+0x1c/0x140 [ 1971.053354][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1971.053354][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1971.053354][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.053354][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.053354][ T7704] netlink_rcv_skb+0x130/0x360 [ 1971.053354][ T7704] netlink_unicast+0x449/0x710 [ 1971.053354][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1971.053354][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1971.053354][ T7704] ___sys_sendmsg+0xee/0x170 [ 1971.053354][ T7704] __sys_sendmsg+0xcd/0x170 [ 1971.053354][ T7704] do_syscall_64+0xc6/0x1e0 [ 1971.053354][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.053354][ T7704] [ 1971.055628][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1971.055628][ T7704] netdev_get_by_index+0x5e/0x80 [ 1971.055628][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1971.055628][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1971.055628][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1971.055628][ T7704] ipv6_add_addr+0x411/0x2000 [ 1971.055628][ T7704] inet6_addr_add+0x30e/0xa40 [ 1971.055628][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.055628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.055628][ T7704] netlink_rcv_skb+0x130/0x360 [ 1971.055628][ T7704] netlink_unicast+0x449/0x710 [ 1971.055628][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1971.055628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1971.055628][ T7704] ___sys_sendmsg+0xee/0x170 [ 1971.055628][ T7704] __sys_sendmsg+0xcd/0x170 [ 1971.055628][ T7704] do_syscall_64+0xc6/0x1e0 [ 1971.055628][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.055628][ T7704] [ 1971.057853][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1971.057853][ T7704] netdev_get_by_index+0x5e/0x80 [ 1971.057853][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1971.057853][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1971.057853][ T7704] ip6_route_add+0x1c/0x140 [ 1971.057853][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1971.057853][ T7704] addrconf_add_dev+0xe2/0x170 [ 1971.057853][ T7704] inet6_addr_add+0x12f/0xa40 [ 1971.057853][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.057853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.057853][ T7704] netlink_rcv_skb+0x130/0x360 [ 1971.057853][ T7704] netlink_unicast+0x449/0x710 [ 1971.057853][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1971.057853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1971.057853][ T7704] ___sys_sendmsg+0xee/0x170 [ 1971.057853][ T7704] __sys_sendmsg+0xcd/0x170 [ 1971.057853][ T7704] do_syscall_64+0xc6/0x1e0 [ 1971.057853][ T7704] [ 1971.060032][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1971.060032][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1971.060032][ T7704] ipv6_find_idev+0x102/0x170 [ 1971.060032][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1971.060032][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.060032][ T7704] netlink_rcv_skb+0x130/0x360 [ 1971.060032][ T7704] netlink_unicast+0x449/0x710 [ 1971.060032][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1971.060032][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1971.060032][ T7704] ___sys_sendmsg+0xee/0x170 [ 1971.060032][ T7704] __sys_sendmsg+0xcd/0x170 [ 1971.060032][ T7704] do_syscall_64+0xc6/0x1e0 [ 1971.060032][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.060032][ T7704] [ 1971.061775][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1971.061775][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1971.061775][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1971.061775][ T7704] ipv6_find_idev+0x102/0x170 [ 1971.061775][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1971.061775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.061775][ T7704] netlink_rcv_skb+0x130/0x360 [ 1971.061775][ T7704] netlink_unicast+0x449/0x710 [ 1971.061775][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1971.061775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1971.061775][ T7704] ___sys_sendmsg+0xee/0x170 [ 1971.061775][ T7704] __sys_sendmsg+0xcd/0x170 [ 1971.061775][ T7704] do_syscall_64+0xc6/0x1e0 [ 1971.061775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.061775][ T7704] [ 1981.116820][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1981.117336][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1981.117336][ T7704] netdev_get_by_index+0x5e/0x80 [ 1981.117336][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1981.117336][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1981.117336][ T7704] ip6_route_add+0x1c/0x140 [ 1981.117336][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1981.117336][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1981.117336][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.117336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.117336][ T7704] netlink_rcv_skb+0x130/0x360 [ 1981.117336][ T7704] netlink_unicast+0x449/0x710 [ 1981.117336][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1981.117336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1981.117336][ T7704] ___sys_sendmsg+0xee/0x170 [ 1981.117336][ T7704] __sys_sendmsg+0xcd/0x170 [ 1981.117336][ T7704] do_syscall_64+0xc6/0x1e0 [ 1981.117336][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.117336][ T7704] [ 1981.119669][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1981.119669][ T7704] netdev_get_by_index+0x5e/0x80 [ 1981.119669][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1981.119669][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1981.119669][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1981.119669][ T7704] ipv6_add_addr+0x411/0x2000 [ 1981.119669][ T7704] inet6_addr_add+0x30e/0xa40 [ 1981.119669][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.119669][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.119669][ T7704] netlink_rcv_skb+0x130/0x360 [ 1981.119669][ T7704] netlink_unicast+0x449/0x710 [ 1981.119669][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1981.119669][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1981.119669][ T7704] ___sys_sendmsg+0xee/0x170 [ 1981.119669][ T7704] __sys_sendmsg+0xcd/0x170 [ 1981.119669][ T7704] do_syscall_64+0xc6/0x1e0 [ 1981.119669][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.119669][ T7704] [ 1981.121934][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1981.121934][ T7704] netdev_get_by_index+0x5e/0x80 [ 1981.121934][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1981.121934][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1981.121934][ T7704] ip6_route_add+0x1c/0x140 [ 1981.121934][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1981.121934][ T7704] addrconf_add_dev+0xe2/0x170 [ 1981.121934][ T7704] inet6_addr_add+0x12f/0xa40 [ 1981.121934][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.121934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.121934][ T7704] netlink_rcv_skb+0x130/0x360 [ 1981.121934][ T7704] netlink_unicast+0x449/0x710 [ 1981.121934][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1981.121934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1981.121934][ T7704] ___sys_sendmsg+0xee/0x170 [ 1981.121934][ T7704] __sys_sendmsg+0xcd/0x170 [ 1981.121934][ T7704] do_syscall_64+0xc6/0x1e0 [ 1981.121934][ T7704] [ 1981.124157][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1981.124157][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1981.124157][ T7704] ipv6_find_idev+0x102/0x170 [ 1981.124157][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1981.124157][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.124157][ T7704] netlink_rcv_skb+0x130/0x360 [ 1981.124157][ T7704] netlink_unicast+0x449/0x710 [ 1981.124157][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1981.124157][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1981.124157][ T7704] ___sys_sendmsg+0xee/0x170 [ 1981.124157][ T7704] __sys_sendmsg+0xcd/0x170 [ 1981.124157][ T7704] do_syscall_64+0xc6/0x1e0 [ 1981.124157][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.124157][ T7704] [ 1981.125894][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1981.125894][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1981.125894][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1981.125894][ T7704] ipv6_find_idev+0x102/0x170 [ 1981.125894][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1981.125894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.125894][ T7704] netlink_rcv_skb+0x130/0x360 [ 1981.125894][ T7704] netlink_unicast+0x449/0x710 [ 1981.125894][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1981.125894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1981.125894][ T7704] ___sys_sendmsg+0xee/0x170 [ 1981.125894][ T7704] __sys_sendmsg+0xcd/0x170 [ 1981.125894][ T7704] do_syscall_64+0xc6/0x1e0 [ 1981.125894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.125894][ T7704] [ 1991.260823][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 1991.261355][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1991.261355][ T7704] netdev_get_by_index+0x5e/0x80 [ 1991.261355][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1991.261355][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1991.261355][ T7704] ip6_route_add+0x1c/0x140 [ 1991.261355][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 1991.261355][ T7704] inet6_addr_add+0x4f8/0xa40 [ 1991.261355][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1991.261355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.261355][ T7704] netlink_rcv_skb+0x130/0x360 [ 1991.261355][ T7704] netlink_unicast+0x449/0x710 [ 1991.261355][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1991.261355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1991.261355][ T7704] ___sys_sendmsg+0xee/0x170 [ 1991.261355][ T7704] __sys_sendmsg+0xcd/0x170 [ 1991.261355][ T7704] do_syscall_64+0xc6/0x1e0 [ 1991.261355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.261355][ T7704] [ 1991.263588][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1991.263588][ T7704] netdev_get_by_index+0x5e/0x80 [ 1991.263588][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1991.263588][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1991.263588][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 1991.263588][ T7704] ipv6_add_addr+0x411/0x2000 [ 1991.263588][ T7704] inet6_addr_add+0x30e/0xa40 [ 1991.263588][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1991.263588][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.263588][ T7704] netlink_rcv_skb+0x130/0x360 [ 1991.263588][ T7704] netlink_unicast+0x449/0x710 [ 1991.263588][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1991.263588][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1991.263588][ T7704] ___sys_sendmsg+0xee/0x170 [ 1991.263588][ T7704] __sys_sendmsg+0xcd/0x170 [ 1991.263588][ T7704] do_syscall_64+0xc6/0x1e0 [ 1991.263588][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.263588][ T7704] [ 1991.265793][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1991.265793][ T7704] netdev_get_by_index+0x5e/0x80 [ 1991.265793][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 1991.265793][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 1991.265793][ T7704] ip6_route_add+0x1c/0x140 [ 1991.265793][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 1991.265793][ T7704] addrconf_add_dev+0xe2/0x170 [ 1991.265793][ T7704] inet6_addr_add+0x12f/0xa40 [ 1991.265793][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 1991.265793][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.265793][ T7704] netlink_rcv_skb+0x130/0x360 [ 1991.265793][ T7704] netlink_unicast+0x449/0x710 [ 1991.265793][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1991.265793][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1991.265793][ T7704] ___sys_sendmsg+0xee/0x170 [ 1991.265793][ T7704] __sys_sendmsg+0xcd/0x170 [ 1991.265793][ T7704] do_syscall_64+0xc6/0x1e0 [ 1991.265793][ T7704] [ 1991.267959][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1991.267959][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 1991.267959][ T7704] ipv6_find_idev+0x102/0x170 [ 1991.267959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1991.267959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.267959][ T7704] netlink_rcv_skb+0x130/0x360 [ 1991.267959][ T7704] netlink_unicast+0x449/0x710 [ 1991.267959][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1991.267959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1991.267959][ T7704] ___sys_sendmsg+0xee/0x170 [ 1991.267959][ T7704] __sys_sendmsg+0xcd/0x170 [ 1991.267959][ T7704] do_syscall_64+0xc6/0x1e0 [ 1991.267959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.267959][ T7704] [ 1991.269650][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 1991.269650][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 1991.269650][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 1991.269650][ T7704] ipv6_find_idev+0x102/0x170 [ 1991.269650][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 1991.269650][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.269650][ T7704] netlink_rcv_skb+0x130/0x360 [ 1991.269650][ T7704] netlink_unicast+0x449/0x710 [ 1991.269650][ T7704] netlink_sendmsg+0x723/0xbe0 [ 1991.269650][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 1991.269650][ T7704] ___sys_sendmsg+0xee/0x170 [ 1991.269650][ T7704] __sys_sendmsg+0xcd/0x170 [ 1991.269650][ T7704] do_syscall_64+0xc6/0x1e0 [ 1991.269650][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.269650][ T7704] [ 2001.516813][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2001.517355][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2001.517355][ T7704] netdev_get_by_index+0x5e/0x80 [ 2001.517355][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2001.517355][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2001.517355][ T7704] ip6_route_add+0x1c/0x140 [ 2001.517355][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2001.517355][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2001.517355][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.517355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.517355][ T7704] netlink_rcv_skb+0x130/0x360 [ 2001.517355][ T7704] netlink_unicast+0x449/0x710 [ 2001.517355][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2001.517355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2001.517355][ T7704] ___sys_sendmsg+0xee/0x170 [ 2001.517355][ T7704] __sys_sendmsg+0xcd/0x170 [ 2001.517355][ T7704] do_syscall_64+0xc6/0x1e0 [ 2001.517355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.517355][ T7704] [ 2001.519681][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2001.519681][ T7704] netdev_get_by_index+0x5e/0x80 [ 2001.519681][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2001.519681][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2001.519681][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2001.519681][ T7704] ipv6_add_addr+0x411/0x2000 [ 2001.519681][ T7704] inet6_addr_add+0x30e/0xa40 [ 2001.519681][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.519681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.519681][ T7704] netlink_rcv_skb+0x130/0x360 [ 2001.519681][ T7704] netlink_unicast+0x449/0x710 [ 2001.519681][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2001.519681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2001.519681][ T7704] ___sys_sendmsg+0xee/0x170 [ 2001.519681][ T7704] __sys_sendmsg+0xcd/0x170 [ 2001.519681][ T7704] do_syscall_64+0xc6/0x1e0 [ 2001.519681][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.519681][ T7704] [ 2001.521968][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2001.521968][ T7704] netdev_get_by_index+0x5e/0x80 [ 2001.521968][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2001.521968][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2001.521968][ T7704] ip6_route_add+0x1c/0x140 [ 2001.521968][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2001.521968][ T7704] addrconf_add_dev+0xe2/0x170 [ 2001.521968][ T7704] inet6_addr_add+0x12f/0xa40 [ 2001.521968][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.521968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.521968][ T7704] netlink_rcv_skb+0x130/0x360 [ 2001.521968][ T7704] netlink_unicast+0x449/0x710 [ 2001.521968][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2001.521968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2001.521968][ T7704] ___sys_sendmsg+0xee/0x170 [ 2001.521968][ T7704] __sys_sendmsg+0xcd/0x170 [ 2001.521968][ T7704] do_syscall_64+0xc6/0x1e0 [ 2001.521968][ T7704] [ 2001.524241][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2001.524241][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2001.524241][ T7704] ipv6_find_idev+0x102/0x170 [ 2001.524241][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.524241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.524241][ T7704] netlink_rcv_skb+0x130/0x360 [ 2001.524241][ T7704] netlink_unicast+0x449/0x710 [ 2001.524241][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2001.524241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2001.524241][ T7704] ___sys_sendmsg+0xee/0x170 [ 2001.524241][ T7704] __sys_sendmsg+0xcd/0x170 [ 2001.524241][ T7704] do_syscall_64+0xc6/0x1e0 [ 2001.524241][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.524241][ T7704] [ 2001.525994][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2001.525994][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2001.525994][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2001.525994][ T7704] ipv6_find_idev+0x102/0x170 [ 2001.525994][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.525994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.525994][ T7704] netlink_rcv_skb+0x130/0x360 [ 2001.525994][ T7704] netlink_unicast+0x449/0x710 [ 2001.525994][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2001.525994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2001.525994][ T7704] ___sys_sendmsg+0xee/0x170 [ 2001.525994][ T7704] __sys_sendmsg+0xcd/0x170 [ 2001.525994][ T7704] do_syscall_64+0xc6/0x1e0 [ 2001.525994][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.525994][ T7704] [ 2011.740848][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2011.741516][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2011.741516][ T7704] netdev_get_by_index+0x5e/0x80 [ 2011.741516][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2011.741516][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2011.741516][ T7704] ip6_route_add+0x1c/0x140 [ 2011.741516][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2011.741516][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2011.741516][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.741516][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.741516][ T7704] netlink_rcv_skb+0x130/0x360 [ 2011.741516][ T7704] netlink_unicast+0x449/0x710 [ 2011.741516][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2011.741516][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2011.741516][ T7704] ___sys_sendmsg+0xee/0x170 [ 2011.741516][ T7704] __sys_sendmsg+0xcd/0x170 [ 2011.741516][ T7704] do_syscall_64+0xc6/0x1e0 [ 2011.741516][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.741516][ T7704] [ 2011.745274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2011.745274][ T7704] netdev_get_by_index+0x5e/0x80 [ 2011.745274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2011.745274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2011.745274][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2011.745274][ T7704] ipv6_add_addr+0x411/0x2000 [ 2011.745274][ T7704] inet6_addr_add+0x30e/0xa40 [ 2011.745274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.745274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.745274][ T7704] netlink_rcv_skb+0x130/0x360 [ 2011.745274][ T7704] netlink_unicast+0x449/0x710 [ 2011.745274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2011.745274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2011.745274][ T7704] ___sys_sendmsg+0xee/0x170 [ 2011.745274][ T7704] __sys_sendmsg+0xcd/0x170 [ 2011.745274][ T7704] do_syscall_64+0xc6/0x1e0 [ 2011.745274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.745274][ T7704] [ 2011.748863][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2011.748863][ T7704] netdev_get_by_index+0x5e/0x80 [ 2011.748863][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2011.748863][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2011.748863][ T7704] ip6_route_add+0x1c/0x140 [ 2011.748863][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2011.748863][ T7704] addrconf_add_dev+0xe2/0x170 [ 2011.748863][ T7704] inet6_addr_add+0x12f/0xa40 [ 2011.748863][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.748863][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.748863][ T7704] netlink_rcv_skb+0x130/0x360 [ 2011.748863][ T7704] netlink_unicast+0x449/0x710 [ 2011.748863][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2011.748863][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2011.748863][ T7704] ___sys_sendmsg+0xee/0x170 [ 2011.748863][ T7704] __sys_sendmsg+0xcd/0x170 [ 2011.748863][ T7704] do_syscall_64+0xc6/0x1e0 [ 2011.748863][ T7704] [ 2011.752425][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2011.752425][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2011.752425][ T7704] ipv6_find_idev+0x102/0x170 [ 2011.752425][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.752425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.752425][ T7704] netlink_rcv_skb+0x130/0x360 [ 2011.752425][ T7704] netlink_unicast+0x449/0x710 [ 2011.752425][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2011.752425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2011.752425][ T7704] ___sys_sendmsg+0xee/0x170 [ 2011.752425][ T7704] __sys_sendmsg+0xcd/0x170 [ 2011.752425][ T7704] do_syscall_64+0xc6/0x1e0 [ 2011.752425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.752425][ T7704] [ 2011.755208][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2011.755208][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2011.755208][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2011.755208][ T7704] ipv6_find_idev+0x102/0x170 [ 2011.755208][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.755208][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.755208][ T7704] netlink_rcv_skb+0x130/0x360 [ 2011.755208][ T7704] netlink_unicast+0x449/0x710 [ 2011.755208][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2011.755208][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2011.755208][ T7704] ___sys_sendmsg+0xee/0x170 [ 2011.755208][ T7704] __sys_sendmsg+0xcd/0x170 [ 2011.755208][ T7704] do_syscall_64+0xc6/0x1e0 [ 2011.755208][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.755208][ T7704] [ 2021.988855][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2021.989310][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2021.989310][ T7704] netdev_get_by_index+0x5e/0x80 [ 2021.989310][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2021.989310][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2021.989310][ T7704] ip6_route_add+0x1c/0x140 [ 2021.989310][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2021.989310][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2021.989310][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.989310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.989310][ T7704] netlink_rcv_skb+0x130/0x360 [ 2021.989310][ T7704] netlink_unicast+0x449/0x710 [ 2021.989310][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2021.989310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2021.989310][ T7704] ___sys_sendmsg+0xee/0x170 [ 2021.989310][ T7704] __sys_sendmsg+0xcd/0x170 [ 2021.989310][ T7704] do_syscall_64+0xc6/0x1e0 [ 2021.989310][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.989310][ T7704] [ 2021.991610][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2021.991610][ T7704] netdev_get_by_index+0x5e/0x80 [ 2021.991610][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2021.991610][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2021.991610][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2021.991610][ T7704] ipv6_add_addr+0x411/0x2000 [ 2021.991610][ T7704] inet6_addr_add+0x30e/0xa40 [ 2021.991610][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.991610][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.991610][ T7704] netlink_rcv_skb+0x130/0x360 [ 2021.991610][ T7704] netlink_unicast+0x449/0x710 [ 2021.991610][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2021.991610][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2021.991610][ T7704] ___sys_sendmsg+0xee/0x170 [ 2021.991610][ T7704] __sys_sendmsg+0xcd/0x170 [ 2021.991610][ T7704] do_syscall_64+0xc6/0x1e0 [ 2021.991610][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.991610][ T7704] [ 2021.993869][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2021.993869][ T7704] netdev_get_by_index+0x5e/0x80 [ 2021.993869][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2021.993869][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2021.993869][ T7704] ip6_route_add+0x1c/0x140 [ 2021.993869][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2021.993869][ T7704] addrconf_add_dev+0xe2/0x170 [ 2021.993869][ T7704] inet6_addr_add+0x12f/0xa40 [ 2021.993869][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.993869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.993869][ T7704] netlink_rcv_skb+0x130/0x360 [ 2021.993869][ T7704] netlink_unicast+0x449/0x710 [ 2021.993869][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2021.993869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2021.993869][ T7704] ___sys_sendmsg+0xee/0x170 [ 2021.993869][ T7704] __sys_sendmsg+0xcd/0x170 [ 2021.993869][ T7704] do_syscall_64+0xc6/0x1e0 [ 2021.993869][ T7704] [ 2021.996092][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2021.996092][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2021.996092][ T7704] ipv6_find_idev+0x102/0x170 [ 2021.996092][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2021.996092][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.996092][ T7704] netlink_rcv_skb+0x130/0x360 [ 2021.996092][ T7704] netlink_unicast+0x449/0x710 [ 2021.996092][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2021.996092][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2021.996092][ T7704] ___sys_sendmsg+0xee/0x170 [ 2021.996092][ T7704] __sys_sendmsg+0xcd/0x170 [ 2021.996092][ T7704] do_syscall_64+0xc6/0x1e0 [ 2021.996092][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.996092][ T7704] [ 2021.997794][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2021.997794][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2021.997794][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2021.997794][ T7704] ipv6_find_idev+0x102/0x170 [ 2021.997794][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2021.997794][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.997794][ T7704] netlink_rcv_skb+0x130/0x360 [ 2021.997794][ T7704] netlink_unicast+0x449/0x710 [ 2021.997794][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2021.997794][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2021.997794][ T7704] ___sys_sendmsg+0xee/0x170 [ 2021.997794][ T7704] __sys_sendmsg+0xcd/0x170 [ 2021.997794][ T7704] do_syscall_64+0xc6/0x1e0 [ 2021.997794][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.997794][ T7704] [ 2032.012841][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2032.013363][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2032.013363][ T7704] netdev_get_by_index+0x5e/0x80 [ 2032.013363][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2032.013363][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2032.013363][ T7704] ip6_route_add+0x1c/0x140 [ 2032.013363][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2032.013363][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2032.013363][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.013363][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.013363][ T7704] netlink_rcv_skb+0x130/0x360 [ 2032.013363][ T7704] netlink_unicast+0x449/0x710 [ 2032.013363][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2032.013363][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2032.013363][ T7704] ___sys_sendmsg+0xee/0x170 [ 2032.013363][ T7704] __sys_sendmsg+0xcd/0x170 [ 2032.013363][ T7704] do_syscall_64+0xc6/0x1e0 [ 2032.013363][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.013363][ T7704] [ 2032.015602][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2032.015602][ T7704] netdev_get_by_index+0x5e/0x80 [ 2032.015602][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2032.015602][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2032.015602][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2032.015602][ T7704] ipv6_add_addr+0x411/0x2000 [ 2032.015602][ T7704] inet6_addr_add+0x30e/0xa40 [ 2032.015602][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.015602][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.015602][ T7704] netlink_rcv_skb+0x130/0x360 [ 2032.015602][ T7704] netlink_unicast+0x449/0x710 [ 2032.015602][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2032.015602][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2032.015602][ T7704] ___sys_sendmsg+0xee/0x170 [ 2032.015602][ T7704] __sys_sendmsg+0xcd/0x170 [ 2032.015602][ T7704] do_syscall_64+0xc6/0x1e0 [ 2032.015602][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.015602][ T7704] [ 2032.017831][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2032.017831][ T7704] netdev_get_by_index+0x5e/0x80 [ 2032.017831][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2032.017831][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2032.017831][ T7704] ip6_route_add+0x1c/0x140 [ 2032.017831][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2032.017831][ T7704] addrconf_add_dev+0xe2/0x170 [ 2032.017831][ T7704] inet6_addr_add+0x12f/0xa40 [ 2032.017831][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.017831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.017831][ T7704] netlink_rcv_skb+0x130/0x360 [ 2032.017831][ T7704] netlink_unicast+0x449/0x710 [ 2032.017831][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2032.017831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2032.017831][ T7704] ___sys_sendmsg+0xee/0x170 [ 2032.017831][ T7704] __sys_sendmsg+0xcd/0x170 [ 2032.017831][ T7704] do_syscall_64+0xc6/0x1e0 [ 2032.017831][ T7704] [ 2032.020005][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2032.020005][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2032.020005][ T7704] ipv6_find_idev+0x102/0x170 [ 2032.020005][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.020005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.020005][ T7704] netlink_rcv_skb+0x130/0x360 [ 2032.020005][ T7704] netlink_unicast+0x449/0x710 [ 2032.020005][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2032.020005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2032.020005][ T7704] ___sys_sendmsg+0xee/0x170 [ 2032.020005][ T7704] __sys_sendmsg+0xcd/0x170 [ 2032.020005][ T7704] do_syscall_64+0xc6/0x1e0 [ 2032.020005][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.020005][ T7704] [ 2032.021724][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2032.021724][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2032.021724][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2032.021724][ T7704] ipv6_find_idev+0x102/0x170 [ 2032.021724][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.021724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.021724][ T7704] netlink_rcv_skb+0x130/0x360 [ 2032.021724][ T7704] netlink_unicast+0x449/0x710 [ 2032.021724][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2032.021724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2032.021724][ T7704] ___sys_sendmsg+0xee/0x170 [ 2032.021724][ T7704] __sys_sendmsg+0xcd/0x170 [ 2032.021724][ T7704] do_syscall_64+0xc6/0x1e0 [ 2032.021724][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.021724][ T7704] [ 2042.332968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2042.333436][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2042.333436][ T7704] netdev_get_by_index+0x5e/0x80 [ 2042.333436][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2042.333436][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2042.333436][ T7704] ip6_route_add+0x1c/0x140 [ 2042.333436][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2042.333436][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2042.333436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.333436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.333436][ T7704] netlink_rcv_skb+0x130/0x360 [ 2042.333436][ T7704] netlink_unicast+0x449/0x710 [ 2042.333436][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2042.333436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2042.333436][ T7704] ___sys_sendmsg+0xee/0x170 [ 2042.333436][ T7704] __sys_sendmsg+0xcd/0x170 [ 2042.333436][ T7704] do_syscall_64+0xc6/0x1e0 [ 2042.333436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.333436][ T7704] [ 2042.335678][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2042.335678][ T7704] netdev_get_by_index+0x5e/0x80 [ 2042.335678][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2042.335678][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2042.335678][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2042.335678][ T7704] ipv6_add_addr+0x411/0x2000 [ 2042.335678][ T7704] inet6_addr_add+0x30e/0xa40 [ 2042.335678][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.335678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.335678][ T7704] netlink_rcv_skb+0x130/0x360 [ 2042.335678][ T7704] netlink_unicast+0x449/0x710 [ 2042.335678][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2042.335678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2042.335678][ T7704] ___sys_sendmsg+0xee/0x170 [ 2042.335678][ T7704] __sys_sendmsg+0xcd/0x170 [ 2042.335678][ T7704] do_syscall_64+0xc6/0x1e0 [ 2042.335678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.335678][ T7704] [ 2042.337885][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2042.337885][ T7704] netdev_get_by_index+0x5e/0x80 [ 2042.337885][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2042.337885][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2042.337885][ T7704] ip6_route_add+0x1c/0x140 [ 2042.337885][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2042.337885][ T7704] addrconf_add_dev+0xe2/0x170 [ 2042.337885][ T7704] inet6_addr_add+0x12f/0xa40 [ 2042.337885][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.337885][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.337885][ T7704] netlink_rcv_skb+0x130/0x360 [ 2042.337885][ T7704] netlink_unicast+0x449/0x710 [ 2042.337885][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2042.337885][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2042.337885][ T7704] ___sys_sendmsg+0xee/0x170 [ 2042.337885][ T7704] __sys_sendmsg+0xcd/0x170 [ 2042.337885][ T7704] do_syscall_64+0xc6/0x1e0 [ 2042.337885][ T7704] [ 2042.340063][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2042.340063][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2042.340063][ T7704] ipv6_find_idev+0x102/0x170 [ 2042.340063][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.340063][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.340063][ T7704] netlink_rcv_skb+0x130/0x360 [ 2042.340063][ T7704] netlink_unicast+0x449/0x710 [ 2042.340063][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2042.340063][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2042.340063][ T7704] ___sys_sendmsg+0xee/0x170 [ 2042.340063][ T7704] __sys_sendmsg+0xcd/0x170 [ 2042.340063][ T7704] do_syscall_64+0xc6/0x1e0 [ 2042.340063][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.340063][ T7704] [ 2042.341883][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2042.341883][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2042.341883][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2042.341883][ T7704] ipv6_find_idev+0x102/0x170 [ 2042.341883][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.341883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.341883][ T7704] netlink_rcv_skb+0x130/0x360 [ 2042.341883][ T7704] netlink_unicast+0x449/0x710 [ 2042.341883][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2042.341883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2042.341883][ T7704] ___sys_sendmsg+0xee/0x170 [ 2042.341883][ T7704] __sys_sendmsg+0xcd/0x170 [ 2042.341883][ T7704] do_syscall_64+0xc6/0x1e0 [ 2042.341883][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.341883][ T7704] [ 2052.580784][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2052.581246][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2052.581246][ T7704] netdev_get_by_index+0x5e/0x80 [ 2052.581246][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2052.581246][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2052.581246][ T7704] ip6_route_add+0x1c/0x140 [ 2052.581246][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2052.581246][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2052.581246][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.581246][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.581246][ T7704] netlink_rcv_skb+0x130/0x360 [ 2052.581246][ T7704] netlink_unicast+0x449/0x710 [ 2052.581246][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2052.581246][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2052.581246][ T7704] ___sys_sendmsg+0xee/0x170 [ 2052.581246][ T7704] __sys_sendmsg+0xcd/0x170 [ 2052.581246][ T7704] do_syscall_64+0xc6/0x1e0 [ 2052.581246][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.581246][ T7704] [ 2052.583490][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2052.583490][ T7704] netdev_get_by_index+0x5e/0x80 [ 2052.583490][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2052.583490][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2052.583490][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2052.583490][ T7704] ipv6_add_addr+0x411/0x2000 [ 2052.583490][ T7704] inet6_addr_add+0x30e/0xa40 [ 2052.583490][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.583490][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.583490][ T7704] netlink_rcv_skb+0x130/0x360 [ 2052.583490][ T7704] netlink_unicast+0x449/0x710 [ 2052.583490][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2052.583490][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2052.583490][ T7704] ___sys_sendmsg+0xee/0x170 [ 2052.583490][ T7704] __sys_sendmsg+0xcd/0x170 [ 2052.583490][ T7704] do_syscall_64+0xc6/0x1e0 [ 2052.583490][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.583490][ T7704] [ 2052.586343][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2052.586343][ T7704] netdev_get_by_index+0x5e/0x80 [ 2052.586343][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2052.586343][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2052.586343][ T7704] ip6_route_add+0x1c/0x140 [ 2052.586343][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2052.586343][ T7704] addrconf_add_dev+0xe2/0x170 [ 2052.586343][ T7704] inet6_addr_add+0x12f/0xa40 [ 2052.586343][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.586343][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.586343][ T7704] netlink_rcv_skb+0x130/0x360 [ 2052.586343][ T7704] netlink_unicast+0x449/0x710 [ 2052.586343][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2052.586343][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2052.586343][ T7704] ___sys_sendmsg+0xee/0x170 [ 2052.586343][ T7704] __sys_sendmsg+0xcd/0x170 [ 2052.586343][ T7704] do_syscall_64+0xc6/0x1e0 [ 2052.586343][ T7704] [ 2052.588940][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2052.588940][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2052.588940][ T7704] ipv6_find_idev+0x102/0x170 [ 2052.588940][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.588940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.588940][ T7704] netlink_rcv_skb+0x130/0x360 [ 2052.588940][ T7704] netlink_unicast+0x449/0x710 [ 2052.588940][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2052.588940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2052.588940][ T7704] ___sys_sendmsg+0xee/0x170 [ 2052.588940][ T7704] __sys_sendmsg+0xcd/0x170 [ 2052.588940][ T7704] do_syscall_64+0xc6/0x1e0 [ 2052.588940][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.588940][ T7704] [ 2052.590676][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2052.590676][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2052.590676][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2052.590676][ T7704] ipv6_find_idev+0x102/0x170 [ 2052.590676][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.590676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.590676][ T7704] netlink_rcv_skb+0x130/0x360 [ 2052.590676][ T7704] netlink_unicast+0x449/0x710 [ 2052.590676][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2052.590676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2052.590676][ T7704] ___sys_sendmsg+0xee/0x170 [ 2052.590676][ T7704] __sys_sendmsg+0xcd/0x170 [ 2052.590676][ T7704] do_syscall_64+0xc6/0x1e0 [ 2052.590676][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.590676][ T7704] [ 2062.780915][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2062.781414][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2062.781414][ T7704] netdev_get_by_index+0x5e/0x80 [ 2062.781414][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2062.781414][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2062.781414][ T7704] ip6_route_add+0x1c/0x140 [ 2062.781414][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2062.781414][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2062.781414][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.781414][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.781414][ T7704] netlink_rcv_skb+0x130/0x360 [ 2062.781414][ T7704] netlink_unicast+0x449/0x710 [ 2062.781414][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2062.781414][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2062.781414][ T7704] ___sys_sendmsg+0xee/0x170 [ 2062.781414][ T7704] __sys_sendmsg+0xcd/0x170 [ 2062.781414][ T7704] do_syscall_64+0xc6/0x1e0 [ 2062.781414][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.781414][ T7704] [ 2062.783761][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2062.783761][ T7704] netdev_get_by_index+0x5e/0x80 [ 2062.783761][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2062.783761][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2062.783761][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2062.783761][ T7704] ipv6_add_addr+0x411/0x2000 [ 2062.783761][ T7704] inet6_addr_add+0x30e/0xa40 [ 2062.783761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.783761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.783761][ T7704] netlink_rcv_skb+0x130/0x360 [ 2062.783761][ T7704] netlink_unicast+0x449/0x710 [ 2062.783761][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2062.783761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2062.783761][ T7704] ___sys_sendmsg+0xee/0x170 [ 2062.783761][ T7704] __sys_sendmsg+0xcd/0x170 [ 2062.783761][ T7704] do_syscall_64+0xc6/0x1e0 [ 2062.783761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.783761][ T7704] [ 2062.785970][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2062.785970][ T7704] netdev_get_by_index+0x5e/0x80 [ 2062.785970][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2062.785970][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2062.785970][ T7704] ip6_route_add+0x1c/0x140 [ 2062.785970][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2062.785970][ T7704] addrconf_add_dev+0xe2/0x170 [ 2062.785970][ T7704] inet6_addr_add+0x12f/0xa40 [ 2062.785970][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.785970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.785970][ T7704] netlink_rcv_skb+0x130/0x360 [ 2062.785970][ T7704] netlink_unicast+0x449/0x710 [ 2062.785970][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2062.785970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2062.785970][ T7704] ___sys_sendmsg+0xee/0x170 [ 2062.785970][ T7704] __sys_sendmsg+0xcd/0x170 [ 2062.785970][ T7704] do_syscall_64+0xc6/0x1e0 [ 2062.785970][ T7704] [ 2062.788154][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2062.788154][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2062.788154][ T7704] ipv6_find_idev+0x102/0x170 [ 2062.788154][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.788154][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.788154][ T7704] netlink_rcv_skb+0x130/0x360 [ 2062.788154][ T7704] netlink_unicast+0x449/0x710 [ 2062.788154][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2062.788154][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2062.788154][ T7704] ___sys_sendmsg+0xee/0x170 [ 2062.788154][ T7704] __sys_sendmsg+0xcd/0x170 [ 2062.788154][ T7704] do_syscall_64+0xc6/0x1e0 [ 2062.788154][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.788154][ T7704] [ 2062.789869][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2062.789869][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2062.789869][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2062.789869][ T7704] ipv6_find_idev+0x102/0x170 [ 2062.789869][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.789869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.789869][ T7704] netlink_rcv_skb+0x130/0x360 [ 2062.789869][ T7704] netlink_unicast+0x449/0x710 [ 2062.789869][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2062.789869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2062.789869][ T7704] ___sys_sendmsg+0xee/0x170 [ 2062.789869][ T7704] __sys_sendmsg+0xcd/0x170 [ 2062.789869][ T7704] do_syscall_64+0xc6/0x1e0 [ 2062.789869][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.789869][ T7704] [ 2072.956785][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2072.957413][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2072.957413][ T7704] netdev_get_by_index+0x5e/0x80 [ 2072.957413][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2072.957413][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2072.957413][ T7704] ip6_route_add+0x1c/0x140 [ 2072.957413][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2072.957413][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2072.957413][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.957413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.957413][ T7704] netlink_rcv_skb+0x130/0x360 [ 2072.957413][ T7704] netlink_unicast+0x449/0x710 [ 2072.957413][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2072.957413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2072.957413][ T7704] ___sys_sendmsg+0xee/0x170 [ 2072.957413][ T7704] __sys_sendmsg+0xcd/0x170 [ 2072.957413][ T7704] do_syscall_64+0xc6/0x1e0 [ 2072.957413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.957413][ T7704] [ 2072.960775][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2072.960775][ T7704] netdev_get_by_index+0x5e/0x80 [ 2072.960775][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2072.960775][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2072.960775][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2072.960775][ T7704] ipv6_add_addr+0x411/0x2000 [ 2072.960775][ T7704] inet6_addr_add+0x30e/0xa40 [ 2072.960775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.960775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.960775][ T7704] netlink_rcv_skb+0x130/0x360 [ 2072.960775][ T7704] netlink_unicast+0x449/0x710 [ 2072.960775][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2072.960775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2072.960775][ T7704] ___sys_sendmsg+0xee/0x170 [ 2072.960775][ T7704] __sys_sendmsg+0xcd/0x170 [ 2072.960775][ T7704] do_syscall_64+0xc6/0x1e0 [ 2072.960775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.960775][ T7704] [ 2072.964236][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2072.964236][ T7704] netdev_get_by_index+0x5e/0x80 [ 2072.964236][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2072.964236][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2072.964236][ T7704] ip6_route_add+0x1c/0x140 [ 2072.964236][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2072.964236][ T7704] addrconf_add_dev+0xe2/0x170 [ 2072.964236][ T7704] inet6_addr_add+0x12f/0xa40 [ 2072.964236][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.964236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.964236][ T7704] netlink_rcv_skb+0x130/0x360 [ 2072.964236][ T7704] netlink_unicast+0x449/0x710 [ 2072.964236][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2072.964236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2072.964236][ T7704] ___sys_sendmsg+0xee/0x170 [ 2072.964236][ T7704] __sys_sendmsg+0xcd/0x170 [ 2072.964236][ T7704] do_syscall_64+0xc6/0x1e0 [ 2072.964236][ T7704] [ 2072.967399][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2072.967399][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2072.967399][ T7704] ipv6_find_idev+0x102/0x170 [ 2072.967399][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2072.967399][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.967399][ T7704] netlink_rcv_skb+0x130/0x360 [ 2072.967399][ T7704] netlink_unicast+0x449/0x710 [ 2072.967399][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2072.967399][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2072.967399][ T7704] ___sys_sendmsg+0xee/0x170 [ 2072.967399][ T7704] __sys_sendmsg+0xcd/0x170 [ 2072.967399][ T7704] do_syscall_64+0xc6/0x1e0 [ 2072.967399][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.967399][ T7704] [ 2072.970072][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2072.970072][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2072.970072][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2072.970072][ T7704] ipv6_find_idev+0x102/0x170 [ 2072.970072][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2072.970072][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.970072][ T7704] netlink_rcv_skb+0x130/0x360 [ 2072.970072][ T7704] netlink_unicast+0x449/0x710 [ 2072.970072][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2072.970072][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2072.970072][ T7704] ___sys_sendmsg+0xee/0x170 [ 2072.970072][ T7704] __sys_sendmsg+0xcd/0x170 [ 2072.970072][ T7704] do_syscall_64+0xc6/0x1e0 [ 2072.970072][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.970072][ T7704] [ 2083.212839][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2083.213487][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2083.213487][ T7704] netdev_get_by_index+0x5e/0x80 [ 2083.213487][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2083.213487][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2083.213487][ T7704] ip6_route_add+0x1c/0x140 [ 2083.213487][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2083.213487][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2083.213487][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.213487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.213487][ T7704] netlink_rcv_skb+0x130/0x360 [ 2083.213487][ T7704] netlink_unicast+0x449/0x710 [ 2083.213487][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2083.213487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2083.213487][ T7704] ___sys_sendmsg+0xee/0x170 [ 2083.213487][ T7704] __sys_sendmsg+0xcd/0x170 [ 2083.213487][ T7704] do_syscall_64+0xc6/0x1e0 [ 2083.213487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.213487][ T7704] [ 2083.217118][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2083.217118][ T7704] netdev_get_by_index+0x5e/0x80 [ 2083.217118][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2083.217118][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2083.217118][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2083.217118][ T7704] ipv6_add_addr+0x411/0x2000 [ 2083.217118][ T7704] inet6_addr_add+0x30e/0xa40 [ 2083.217118][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.217118][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.217118][ T7704] netlink_rcv_skb+0x130/0x360 [ 2083.217118][ T7704] netlink_unicast+0x449/0x710 [ 2083.217118][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2083.217118][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2083.217118][ T7704] ___sys_sendmsg+0xee/0x170 [ 2083.217118][ T7704] __sys_sendmsg+0xcd/0x170 [ 2083.217118][ T7704] do_syscall_64+0xc6/0x1e0 [ 2083.217118][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.217118][ T7704] [ 2083.220628][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2083.220628][ T7704] netdev_get_by_index+0x5e/0x80 [ 2083.220628][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2083.220628][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2083.220628][ T7704] ip6_route_add+0x1c/0x140 [ 2083.220628][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2083.220628][ T7704] addrconf_add_dev+0xe2/0x170 [ 2083.220628][ T7704] inet6_addr_add+0x12f/0xa40 [ 2083.220628][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.220628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.220628][ T7704] netlink_rcv_skb+0x130/0x360 [ 2083.220628][ T7704] netlink_unicast+0x449/0x710 [ 2083.220628][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2083.220628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2083.220628][ T7704] ___sys_sendmsg+0xee/0x170 [ 2083.220628][ T7704] __sys_sendmsg+0xcd/0x170 [ 2083.220628][ T7704] do_syscall_64+0xc6/0x1e0 [ 2083.220628][ T7704] [ 2083.224061][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2083.224061][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2083.224061][ T7704] ipv6_find_idev+0x102/0x170 [ 2083.224061][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.224061][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.224061][ T7704] netlink_rcv_skb+0x130/0x360 [ 2083.224061][ T7704] netlink_unicast+0x449/0x710 [ 2083.224061][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2083.224061][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2083.224061][ T7704] ___sys_sendmsg+0xee/0x170 [ 2083.224061][ T7704] __sys_sendmsg+0xcd/0x170 [ 2083.224061][ T7704] do_syscall_64+0xc6/0x1e0 [ 2083.224061][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.224061][ T7704] [ 2083.226756][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2083.226756][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2083.226756][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2083.226756][ T7704] ipv6_find_idev+0x102/0x170 [ 2083.226756][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.226756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.226756][ T7704] netlink_rcv_skb+0x130/0x360 [ 2083.226756][ T7704] netlink_unicast+0x449/0x710 [ 2083.226756][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2083.226756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2083.226756][ T7704] ___sys_sendmsg+0xee/0x170 [ 2083.226756][ T7704] __sys_sendmsg+0xcd/0x170 [ 2083.226756][ T7704] do_syscall_64+0xc6/0x1e0 [ 2083.226756][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.226756][ T7704] [ 2093.468871][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2093.469378][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2093.469378][ T7704] netdev_get_by_index+0x5e/0x80 [ 2093.469378][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2093.469378][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2093.469378][ T7704] ip6_route_add+0x1c/0x140 [ 2093.469378][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2093.469378][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2093.469378][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.469378][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.469378][ T7704] netlink_rcv_skb+0x130/0x360 [ 2093.469378][ T7704] netlink_unicast+0x449/0x710 [ 2093.469378][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2093.469378][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2093.469378][ T7704] ___sys_sendmsg+0xee/0x170 [ 2093.469378][ T7704] __sys_sendmsg+0xcd/0x170 [ 2093.469378][ T7704] do_syscall_64+0xc6/0x1e0 [ 2093.469378][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.469378][ T7704] [ 2093.472407][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2093.472407][ T7704] netdev_get_by_index+0x5e/0x80 [ 2093.472407][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2093.472407][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2093.472407][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2093.472407][ T7704] ipv6_add_addr+0x411/0x2000 [ 2093.472407][ T7704] inet6_addr_add+0x30e/0xa40 [ 2093.472407][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.472407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.472407][ T7704] netlink_rcv_skb+0x130/0x360 [ 2093.472407][ T7704] netlink_unicast+0x449/0x710 [ 2093.472407][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2093.472407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2093.472407][ T7704] ___sys_sendmsg+0xee/0x170 [ 2093.472407][ T7704] __sys_sendmsg+0xcd/0x170 [ 2093.472407][ T7704] do_syscall_64+0xc6/0x1e0 [ 2093.472407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.472407][ T7704] [ 2093.474803][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2093.474803][ T7704] netdev_get_by_index+0x5e/0x80 [ 2093.474803][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2093.474803][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2093.474803][ T7704] ip6_route_add+0x1c/0x140 [ 2093.474803][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2093.474803][ T7704] addrconf_add_dev+0xe2/0x170 [ 2093.474803][ T7704] inet6_addr_add+0x12f/0xa40 [ 2093.474803][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.474803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.474803][ T7704] netlink_rcv_skb+0x130/0x360 [ 2093.474803][ T7704] netlink_unicast+0x449/0x710 [ 2093.474803][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2093.474803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2093.474803][ T7704] ___sys_sendmsg+0xee/0x170 [ 2093.474803][ T7704] __sys_sendmsg+0xcd/0x170 [ 2093.474803][ T7704] do_syscall_64+0xc6/0x1e0 [ 2093.474803][ T7704] [ 2093.477627][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2093.477627][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2093.477627][ T7704] ipv6_find_idev+0x102/0x170 [ 2093.477627][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.477627][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.477627][ T7704] netlink_rcv_skb+0x130/0x360 [ 2093.477627][ T7704] netlink_unicast+0x449/0x710 [ 2093.477627][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2093.477627][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2093.477627][ T7704] ___sys_sendmsg+0xee/0x170 [ 2093.477627][ T7704] __sys_sendmsg+0xcd/0x170 [ 2093.477627][ T7704] do_syscall_64+0xc6/0x1e0 [ 2093.477627][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.477627][ T7704] [ 2093.480422][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2093.480422][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2093.480422][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2093.480422][ T7704] ipv6_find_idev+0x102/0x170 [ 2093.480422][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.480422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.480422][ T7704] netlink_rcv_skb+0x130/0x360 [ 2093.480422][ T7704] netlink_unicast+0x449/0x710 [ 2093.480422][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2093.480422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2093.480422][ T7704] ___sys_sendmsg+0xee/0x170 [ 2093.480422][ T7704] __sys_sendmsg+0xcd/0x170 [ 2093.480422][ T7704] do_syscall_64+0xc6/0x1e0 [ 2093.480422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.480422][ T7704] [ 2103.628877][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2103.629358][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2103.629358][ T7704] netdev_get_by_index+0x5e/0x80 [ 2103.629358][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2103.629358][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2103.629358][ T7704] ip6_route_add+0x1c/0x140 [ 2103.629358][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2103.629358][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2103.629358][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.629358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.629358][ T7704] netlink_rcv_skb+0x130/0x360 [ 2103.629358][ T7704] netlink_unicast+0x449/0x710 [ 2103.629358][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2103.629358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2103.629358][ T7704] ___sys_sendmsg+0xee/0x170 [ 2103.629358][ T7704] __sys_sendmsg+0xcd/0x170 [ 2103.629358][ T7704] do_syscall_64+0xc6/0x1e0 [ 2103.629358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.629358][ T7704] [ 2103.631671][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2103.631671][ T7704] netdev_get_by_index+0x5e/0x80 [ 2103.631671][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2103.631671][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2103.631671][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2103.631671][ T7704] ipv6_add_addr+0x411/0x2000 [ 2103.631671][ T7704] inet6_addr_add+0x30e/0xa40 [ 2103.631671][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.631671][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.631671][ T7704] netlink_rcv_skb+0x130/0x360 [ 2103.631671][ T7704] netlink_unicast+0x449/0x710 [ 2103.631671][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2103.631671][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2103.631671][ T7704] ___sys_sendmsg+0xee/0x170 [ 2103.631671][ T7704] __sys_sendmsg+0xcd/0x170 [ 2103.631671][ T7704] do_syscall_64+0xc6/0x1e0 [ 2103.631671][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.631671][ T7704] [ 2103.633880][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2103.633880][ T7704] netdev_get_by_index+0x5e/0x80 [ 2103.633880][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2103.633880][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2103.633880][ T7704] ip6_route_add+0x1c/0x140 [ 2103.633880][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2103.633880][ T7704] addrconf_add_dev+0xe2/0x170 [ 2103.633880][ T7704] inet6_addr_add+0x12f/0xa40 [ 2103.633880][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.633880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.633880][ T7704] netlink_rcv_skb+0x130/0x360 [ 2103.633880][ T7704] netlink_unicast+0x449/0x710 [ 2103.633880][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2103.633880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2103.633880][ T7704] ___sys_sendmsg+0xee/0x170 [ 2103.633880][ T7704] __sys_sendmsg+0xcd/0x170 [ 2103.633880][ T7704] do_syscall_64+0xc6/0x1e0 [ 2103.633880][ T7704] [ 2103.636080][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2103.636080][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2103.636080][ T7704] ipv6_find_idev+0x102/0x170 [ 2103.636080][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.636080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.636080][ T7704] netlink_rcv_skb+0x130/0x360 [ 2103.636080][ T7704] netlink_unicast+0x449/0x710 [ 2103.636080][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2103.636080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2103.636080][ T7704] ___sys_sendmsg+0xee/0x170 [ 2103.636080][ T7704] __sys_sendmsg+0xcd/0x170 [ 2103.636080][ T7704] do_syscall_64+0xc6/0x1e0 [ 2103.636080][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.636080][ T7704] [ 2103.637803][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2103.637803][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2103.637803][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2103.637803][ T7704] ipv6_find_idev+0x102/0x170 [ 2103.637803][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.637803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.637803][ T7704] netlink_rcv_skb+0x130/0x360 [ 2103.637803][ T7704] netlink_unicast+0x449/0x710 [ 2103.637803][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2103.637803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2103.637803][ T7704] ___sys_sendmsg+0xee/0x170 [ 2103.637803][ T7704] __sys_sendmsg+0xcd/0x170 [ 2103.637803][ T7704] do_syscall_64+0xc6/0x1e0 [ 2103.637803][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.637803][ T7704] [ 2113.836931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2113.837397][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2113.837397][ T7704] netdev_get_by_index+0x5e/0x80 [ 2113.837397][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2113.837397][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2113.837397][ T7704] ip6_route_add+0x1c/0x140 [ 2113.837397][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2113.837397][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2113.837397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2113.837397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.837397][ T7704] netlink_rcv_skb+0x130/0x360 [ 2113.837397][ T7704] netlink_unicast+0x449/0x710 [ 2113.837397][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2113.837397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2113.837397][ T7704] ___sys_sendmsg+0xee/0x170 [ 2113.837397][ T7704] __sys_sendmsg+0xcd/0x170 [ 2113.837397][ T7704] do_syscall_64+0xc6/0x1e0 [ 2113.837397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.837397][ T7704] [ 2113.839910][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2113.839910][ T7704] netdev_get_by_index+0x5e/0x80 [ 2113.839910][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2113.839910][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2113.839910][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2113.839910][ T7704] ipv6_add_addr+0x411/0x2000 [ 2113.839910][ T7704] inet6_addr_add+0x30e/0xa40 [ 2113.839910][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2113.839910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.839910][ T7704] netlink_rcv_skb+0x130/0x360 [ 2113.839910][ T7704] netlink_unicast+0x449/0x710 [ 2113.839910][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2113.839910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2113.839910][ T7704] ___sys_sendmsg+0xee/0x170 [ 2113.839910][ T7704] __sys_sendmsg+0xcd/0x170 [ 2113.839910][ T7704] do_syscall_64+0xc6/0x1e0 [ 2113.839910][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.839910][ T7704] [ 2113.842135][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2113.842135][ T7704] netdev_get_by_index+0x5e/0x80 [ 2113.842135][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2113.842135][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2113.842135][ T7704] ip6_route_add+0x1c/0x140 [ 2113.842135][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2113.842135][ T7704] addrconf_add_dev+0xe2/0x170 [ 2113.842135][ T7704] inet6_addr_add+0x12f/0xa40 [ 2113.842135][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2113.842135][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.842135][ T7704] netlink_rcv_skb+0x130/0x360 [ 2113.842135][ T7704] netlink_unicast+0x449/0x710 [ 2113.842135][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2113.842135][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2113.842135][ T7704] ___sys_sendmsg+0xee/0x170 [ 2113.842135][ T7704] __sys_sendmsg+0xcd/0x170 [ 2113.842135][ T7704] do_syscall_64+0xc6/0x1e0 [ 2113.842135][ T7704] [ 2113.844307][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2113.844307][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2113.844307][ T7704] ipv6_find_idev+0x102/0x170 [ 2113.844307][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2113.844307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.844307][ T7704] netlink_rcv_skb+0x130/0x360 [ 2113.844307][ T7704] netlink_unicast+0x449/0x710 [ 2113.844307][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2113.844307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2113.844307][ T7704] ___sys_sendmsg+0xee/0x170 [ 2113.844307][ T7704] __sys_sendmsg+0xcd/0x170 [ 2113.844307][ T7704] do_syscall_64+0xc6/0x1e0 [ 2113.844307][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.844307][ T7704] [ 2113.846111][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2113.846111][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2113.846111][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2113.846111][ T7704] ipv6_find_idev+0x102/0x170 [ 2113.846111][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2113.846111][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.846111][ T7704] netlink_rcv_skb+0x130/0x360 [ 2113.846111][ T7704] netlink_unicast+0x449/0x710 [ 2113.846111][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2113.846111][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2113.846111][ T7704] ___sys_sendmsg+0xee/0x170 [ 2113.846111][ T7704] __sys_sendmsg+0xcd/0x170 [ 2113.846111][ T7704] do_syscall_64+0xc6/0x1e0 [ 2113.846111][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.846111][ T7704] [ 2123.980765][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2123.981241][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2123.981241][ T7704] netdev_get_by_index+0x5e/0x80 [ 2123.981241][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2123.981241][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2123.981241][ T7704] ip6_route_add+0x1c/0x140 [ 2123.981241][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2123.981241][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2123.981241][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2123.981241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.981241][ T7704] netlink_rcv_skb+0x130/0x360 [ 2123.981241][ T7704] netlink_unicast+0x449/0x710 [ 2123.981241][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2123.981241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2123.981241][ T7704] ___sys_sendmsg+0xee/0x170 [ 2123.981241][ T7704] __sys_sendmsg+0xcd/0x170 [ 2123.981241][ T7704] do_syscall_64+0xc6/0x1e0 [ 2123.981241][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.981241][ T7704] [ 2123.983669][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2123.983669][ T7704] netdev_get_by_index+0x5e/0x80 [ 2123.983669][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2123.983669][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2123.983669][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2123.983669][ T7704] ipv6_add_addr+0x411/0x2000 [ 2123.983669][ T7704] inet6_addr_add+0x30e/0xa40 [ 2123.983669][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2123.983669][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.983669][ T7704] netlink_rcv_skb+0x130/0x360 [ 2123.983669][ T7704] netlink_unicast+0x449/0x710 [ 2123.983669][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2123.983669][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2123.983669][ T7704] ___sys_sendmsg+0xee/0x170 [ 2123.983669][ T7704] __sys_sendmsg+0xcd/0x170 [ 2123.983669][ T7704] do_syscall_64+0xc6/0x1e0 [ 2123.983669][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.983669][ T7704] [ 2123.986070][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2123.986070][ T7704] netdev_get_by_index+0x5e/0x80 [ 2123.986070][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2123.986070][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2123.986070][ T7704] ip6_route_add+0x1c/0x140 [ 2123.986070][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2123.986070][ T7704] addrconf_add_dev+0xe2/0x170 [ 2123.986070][ T7704] inet6_addr_add+0x12f/0xa40 [ 2123.986070][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2123.986070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.986070][ T7704] netlink_rcv_skb+0x130/0x360 [ 2123.986070][ T7704] netlink_unicast+0x449/0x710 [ 2123.986070][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2123.986070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2123.986070][ T7704] ___sys_sendmsg+0xee/0x170 [ 2123.986070][ T7704] __sys_sendmsg+0xcd/0x170 [ 2123.986070][ T7704] do_syscall_64+0xc6/0x1e0 [ 2123.986070][ T7704] [ 2123.988445][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2123.988445][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2123.988445][ T7704] ipv6_find_idev+0x102/0x170 [ 2123.988445][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2123.988445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.988445][ T7704] netlink_rcv_skb+0x130/0x360 [ 2123.988445][ T7704] netlink_unicast+0x449/0x710 [ 2123.988445][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2123.988445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2123.988445][ T7704] ___sys_sendmsg+0xee/0x170 [ 2123.988445][ T7704] __sys_sendmsg+0xcd/0x170 [ 2123.988445][ T7704] do_syscall_64+0xc6/0x1e0 [ 2123.988445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.988445][ T7704] [ 2123.990340][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2123.990340][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2123.990340][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2123.990340][ T7704] ipv6_find_idev+0x102/0x170 [ 2123.990340][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2123.990340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.990340][ T7704] netlink_rcv_skb+0x130/0x360 [ 2123.990340][ T7704] netlink_unicast+0x449/0x710 [ 2123.990340][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2123.990340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2123.990340][ T7704] ___sys_sendmsg+0xee/0x170 [ 2123.990340][ T7704] __sys_sendmsg+0xcd/0x170 [ 2123.990340][ T7704] do_syscall_64+0xc6/0x1e0 [ 2123.990340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.990340][ T7704] [ 2134.188997][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2134.189740][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2134.189740][ T7704] netdev_get_by_index+0x5e/0x80 [ 2134.189740][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2134.189740][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2134.189740][ T7704] ip6_route_add+0x1c/0x140 [ 2134.189740][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2134.189740][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2134.189740][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.189740][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.189740][ T7704] netlink_rcv_skb+0x130/0x360 [ 2134.189740][ T7704] netlink_unicast+0x449/0x710 [ 2134.189740][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2134.189740][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2134.189740][ T7704] ___sys_sendmsg+0xee/0x170 [ 2134.189740][ T7704] __sys_sendmsg+0xcd/0x170 [ 2134.189740][ T7704] do_syscall_64+0xc6/0x1e0 [ 2134.189740][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.189740][ T7704] [ 2134.193216][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2134.193216][ T7704] netdev_get_by_index+0x5e/0x80 [ 2134.193216][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2134.193216][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2134.193216][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2134.193216][ T7704] ipv6_add_addr+0x411/0x2000 [ 2134.193216][ T7704] inet6_addr_add+0x30e/0xa40 [ 2134.193216][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.193216][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.193216][ T7704] netlink_rcv_skb+0x130/0x360 [ 2134.193216][ T7704] netlink_unicast+0x449/0x710 [ 2134.193216][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2134.193216][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2134.193216][ T7704] ___sys_sendmsg+0xee/0x170 [ 2134.193216][ T7704] __sys_sendmsg+0xcd/0x170 [ 2134.193216][ T7704] do_syscall_64+0xc6/0x1e0 [ 2134.193216][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.193216][ T7704] [ 2134.196081][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2134.196081][ T7704] netdev_get_by_index+0x5e/0x80 [ 2134.196081][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2134.196081][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2134.196081][ T7704] ip6_route_add+0x1c/0x140 [ 2134.196081][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2134.196081][ T7704] addrconf_add_dev+0xe2/0x170 [ 2134.196081][ T7704] inet6_addr_add+0x12f/0xa40 [ 2134.196081][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.196081][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.196081][ T7704] netlink_rcv_skb+0x130/0x360 [ 2134.196081][ T7704] netlink_unicast+0x449/0x710 [ 2134.196081][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2134.196081][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2134.196081][ T7704] ___sys_sendmsg+0xee/0x170 [ 2134.196081][ T7704] __sys_sendmsg+0xcd/0x170 [ 2134.196081][ T7704] do_syscall_64+0xc6/0x1e0 [ 2134.196081][ T7704] [ 2134.198912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2134.198912][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2134.198912][ T7704] ipv6_find_idev+0x102/0x170 [ 2134.198912][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.198912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.198912][ T7704] netlink_rcv_skb+0x130/0x360 [ 2134.198912][ T7704] netlink_unicast+0x449/0x710 [ 2134.198912][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2134.198912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2134.198912][ T7704] ___sys_sendmsg+0xee/0x170 [ 2134.198912][ T7704] __sys_sendmsg+0xcd/0x170 [ 2134.198912][ T7704] do_syscall_64+0xc6/0x1e0 [ 2134.198912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.198912][ T7704] [ 2134.201165][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2134.201165][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2134.201165][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2134.201165][ T7704] ipv6_find_idev+0x102/0x170 [ 2134.201165][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.201165][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.201165][ T7704] netlink_rcv_skb+0x130/0x360 [ 2134.201165][ T7704] netlink_unicast+0x449/0x710 [ 2134.201165][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2134.201165][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2134.201165][ T7704] ___sys_sendmsg+0xee/0x170 [ 2134.201165][ T7704] __sys_sendmsg+0xcd/0x170 [ 2134.201165][ T7704] do_syscall_64+0xc6/0x1e0 [ 2134.201165][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.201165][ T7704] [ 2144.356816][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2144.357287][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2144.357287][ T7704] netdev_get_by_index+0x5e/0x80 [ 2144.357287][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2144.357287][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2144.357287][ T7704] ip6_route_add+0x1c/0x140 [ 2144.357287][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2144.357287][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2144.357287][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2144.357287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.357287][ T7704] netlink_rcv_skb+0x130/0x360 [ 2144.357287][ T7704] netlink_unicast+0x449/0x710 [ 2144.357287][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2144.357287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2144.357287][ T7704] ___sys_sendmsg+0xee/0x170 [ 2144.357287][ T7704] __sys_sendmsg+0xcd/0x170 [ 2144.357287][ T7704] do_syscall_64+0xc6/0x1e0 [ 2144.357287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.357287][ T7704] [ 2144.359537][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2144.359537][ T7704] netdev_get_by_index+0x5e/0x80 [ 2144.359537][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2144.359537][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2144.359537][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2144.359537][ T7704] ipv6_add_addr+0x411/0x2000 [ 2144.359537][ T7704] inet6_addr_add+0x30e/0xa40 [ 2144.359537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2144.359537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.359537][ T7704] netlink_rcv_skb+0x130/0x360 [ 2144.359537][ T7704] netlink_unicast+0x449/0x710 [ 2144.359537][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2144.359537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2144.359537][ T7704] ___sys_sendmsg+0xee/0x170 [ 2144.359537][ T7704] __sys_sendmsg+0xcd/0x170 [ 2144.359537][ T7704] do_syscall_64+0xc6/0x1e0 [ 2144.359537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.359537][ T7704] [ 2144.361770][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2144.361770][ T7704] netdev_get_by_index+0x5e/0x80 [ 2144.361770][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2144.361770][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2144.361770][ T7704] ip6_route_add+0x1c/0x140 [ 2144.361770][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2144.361770][ T7704] addrconf_add_dev+0xe2/0x170 [ 2144.361770][ T7704] inet6_addr_add+0x12f/0xa40 [ 2144.361770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2144.361770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.361770][ T7704] netlink_rcv_skb+0x130/0x360 [ 2144.361770][ T7704] netlink_unicast+0x449/0x710 [ 2144.361770][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2144.361770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2144.361770][ T7704] ___sys_sendmsg+0xee/0x170 [ 2144.361770][ T7704] __sys_sendmsg+0xcd/0x170 [ 2144.361770][ T7704] do_syscall_64+0xc6/0x1e0 [ 2144.361770][ T7704] [ 2144.363937][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2144.363937][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2144.363937][ T7704] ipv6_find_idev+0x102/0x170 [ 2144.363937][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2144.363937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.363937][ T7704] netlink_rcv_skb+0x130/0x360 [ 2144.363937][ T7704] netlink_unicast+0x449/0x710 [ 2144.363937][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2144.363937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2144.363937][ T7704] ___sys_sendmsg+0xee/0x170 [ 2144.363937][ T7704] __sys_sendmsg+0xcd/0x170 [ 2144.363937][ T7704] do_syscall_64+0xc6/0x1e0 [ 2144.363937][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.363937][ T7704] [ 2144.365676][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2144.365676][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2144.365676][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2144.365676][ T7704] ipv6_find_idev+0x102/0x170 [ 2144.365676][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2144.365676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.365676][ T7704] netlink_rcv_skb+0x130/0x360 [ 2144.365676][ T7704] netlink_unicast+0x449/0x710 [ 2144.365676][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2144.365676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2144.365676][ T7704] ___sys_sendmsg+0xee/0x170 [ 2144.365676][ T7704] __sys_sendmsg+0xcd/0x170 [ 2144.365676][ T7704] do_syscall_64+0xc6/0x1e0 [ 2144.365676][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.365676][ T7704] [ 2154.604904][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2154.605377][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2154.605377][ T7704] netdev_get_by_index+0x5e/0x80 [ 2154.605377][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2154.605377][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2154.605377][ T7704] ip6_route_add+0x1c/0x140 [ 2154.605377][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2154.605377][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2154.605377][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2154.605377][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.605377][ T7704] netlink_rcv_skb+0x130/0x360 [ 2154.605377][ T7704] netlink_unicast+0x449/0x710 [ 2154.605377][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2154.605377][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2154.605377][ T7704] ___sys_sendmsg+0xee/0x170 [ 2154.605377][ T7704] __sys_sendmsg+0xcd/0x170 [ 2154.605377][ T7704] do_syscall_64+0xc6/0x1e0 [ 2154.605377][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2154.605377][ T7704] [ 2154.607636][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2154.607636][ T7704] netdev_get_by_index+0x5e/0x80 [ 2154.607636][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2154.607636][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2154.607636][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2154.607636][ T7704] ipv6_add_addr+0x411/0x2000 [ 2154.607636][ T7704] inet6_addr_add+0x30e/0xa40 [ 2154.607636][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2154.607636][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.607636][ T7704] netlink_rcv_skb+0x130/0x360 [ 2154.607636][ T7704] netlink_unicast+0x449/0x710 [ 2154.607636][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2154.607636][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2154.607636][ T7704] ___sys_sendmsg+0xee/0x170 [ 2154.607636][ T7704] __sys_sendmsg+0xcd/0x170 [ 2154.607636][ T7704] do_syscall_64+0xc6/0x1e0 [ 2154.607636][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2154.607636][ T7704] [ 2154.609847][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2154.609847][ T7704] netdev_get_by_index+0x5e/0x80 [ 2154.609847][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2154.609847][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2154.609847][ T7704] ip6_route_add+0x1c/0x140 [ 2154.609847][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2154.609847][ T7704] addrconf_add_dev+0xe2/0x170 [ 2154.609847][ T7704] inet6_addr_add+0x12f/0xa40 [ 2154.609847][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2154.609847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.609847][ T7704] netlink_rcv_skb+0x130/0x360 [ 2154.609847][ T7704] netlink_unicast+0x449/0x710 [ 2154.609847][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2154.609847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2154.609847][ T7704] ___sys_sendmsg+0xee/0x170 [ 2154.609847][ T7704] __sys_sendmsg+0xcd/0x170 [ 2154.609847][ T7704] do_syscall_64+0xc6/0x1e0 [ 2154.609847][ T7704] [ 2154.612040][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2154.612040][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2154.612040][ T7704] ipv6_find_idev+0x102/0x170 [ 2154.612040][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2154.612040][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.612040][ T7704] netlink_rcv_skb+0x130/0x360 [ 2154.612040][ T7704] netlink_unicast+0x449/0x710 [ 2154.612040][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2154.612040][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2154.612040][ T7704] ___sys_sendmsg+0xee/0x170 [ 2154.612040][ T7704] __sys_sendmsg+0xcd/0x170 [ 2154.612040][ T7704] do_syscall_64+0xc6/0x1e0 [ 2154.612040][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2154.612040][ T7704] [ 2154.613735][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2154.613735][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2154.613735][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2154.613735][ T7704] ipv6_find_idev+0x102/0x170 [ 2154.613735][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2154.613735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.613735][ T7704] netlink_rcv_skb+0x130/0x360 [ 2154.613735][ T7704] netlink_unicast+0x449/0x710 [ 2154.613735][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2154.613735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2154.613735][ T7704] ___sys_sendmsg+0xee/0x170 [ 2154.613735][ T7704] __sys_sendmsg+0xcd/0x170 [ 2154.613735][ T7704] do_syscall_64+0xc6/0x1e0 [ 2154.613735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2154.613735][ T7704] [ 2164.852837][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2164.853306][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2164.853306][ T7704] netdev_get_by_index+0x5e/0x80 [ 2164.853306][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2164.853306][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2164.853306][ T7704] ip6_route_add+0x1c/0x140 [ 2164.853306][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2164.853306][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2164.853306][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2164.853306][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.853306][ T7704] netlink_rcv_skb+0x130/0x360 [ 2164.853306][ T7704] netlink_unicast+0x449/0x710 [ 2164.853306][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2164.853306][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2164.853306][ T7704] ___sys_sendmsg+0xee/0x170 [ 2164.853306][ T7704] __sys_sendmsg+0xcd/0x170 [ 2164.853306][ T7704] do_syscall_64+0xc6/0x1e0 [ 2164.853306][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.853306][ T7704] [ 2164.855650][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2164.855650][ T7704] netdev_get_by_index+0x5e/0x80 [ 2164.855650][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2164.855650][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2164.855650][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2164.855650][ T7704] ipv6_add_addr+0x411/0x2000 [ 2164.855650][ T7704] inet6_addr_add+0x30e/0xa40 [ 2164.855650][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2164.855650][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.855650][ T7704] netlink_rcv_skb+0x130/0x360 [ 2164.855650][ T7704] netlink_unicast+0x449/0x710 [ 2164.855650][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2164.855650][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2164.855650][ T7704] ___sys_sendmsg+0xee/0x170 [ 2164.855650][ T7704] __sys_sendmsg+0xcd/0x170 [ 2164.855650][ T7704] do_syscall_64+0xc6/0x1e0 [ 2164.855650][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.855650][ T7704] [ 2164.857874][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2164.857874][ T7704] netdev_get_by_index+0x5e/0x80 [ 2164.857874][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2164.857874][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2164.857874][ T7704] ip6_route_add+0x1c/0x140 [ 2164.857874][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2164.857874][ T7704] addrconf_add_dev+0xe2/0x170 [ 2164.857874][ T7704] inet6_addr_add+0x12f/0xa40 [ 2164.857874][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2164.857874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.857874][ T7704] netlink_rcv_skb+0x130/0x360 [ 2164.857874][ T7704] netlink_unicast+0x449/0x710 [ 2164.857874][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2164.857874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2164.857874][ T7704] ___sys_sendmsg+0xee/0x170 [ 2164.857874][ T7704] __sys_sendmsg+0xcd/0x170 [ 2164.857874][ T7704] do_syscall_64+0xc6/0x1e0 [ 2164.857874][ T7704] [ 2164.860091][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2164.860091][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2164.860091][ T7704] ipv6_find_idev+0x102/0x170 [ 2164.860091][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2164.860091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.860091][ T7704] netlink_rcv_skb+0x130/0x360 [ 2164.860091][ T7704] netlink_unicast+0x449/0x710 [ 2164.860091][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2164.860091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2164.860091][ T7704] ___sys_sendmsg+0xee/0x170 [ 2164.860091][ T7704] __sys_sendmsg+0xcd/0x170 [ 2164.860091][ T7704] do_syscall_64+0xc6/0x1e0 [ 2164.860091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.860091][ T7704] [ 2164.861800][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2164.861800][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2164.861800][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2164.861800][ T7704] ipv6_find_idev+0x102/0x170 [ 2164.861800][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2164.861800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.861800][ T7704] netlink_rcv_skb+0x130/0x360 [ 2164.861800][ T7704] netlink_unicast+0x449/0x710 [ 2164.861800][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2164.861800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2164.861800][ T7704] ___sys_sendmsg+0xee/0x170 [ 2164.861800][ T7704] __sys_sendmsg+0xcd/0x170 [ 2164.861800][ T7704] do_syscall_64+0xc6/0x1e0 [ 2164.861800][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.861800][ T7704] [ 2175.012828][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2175.013288][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2175.013288][ T7704] netdev_get_by_index+0x5e/0x80 [ 2175.013288][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2175.013288][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2175.013288][ T7704] ip6_route_add+0x1c/0x140 [ 2175.013288][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2175.013288][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2175.013288][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.013288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.013288][ T7704] netlink_rcv_skb+0x130/0x360 [ 2175.013288][ T7704] netlink_unicast+0x449/0x710 [ 2175.013288][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2175.013288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2175.013288][ T7704] ___sys_sendmsg+0xee/0x170 [ 2175.013288][ T7704] __sys_sendmsg+0xcd/0x170 [ 2175.013288][ T7704] do_syscall_64+0xc6/0x1e0 [ 2175.013288][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.013288][ T7704] [ 2175.015576][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2175.015576][ T7704] netdev_get_by_index+0x5e/0x80 [ 2175.015576][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2175.015576][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2175.015576][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2175.015576][ T7704] ipv6_add_addr+0x411/0x2000 [ 2175.015576][ T7704] inet6_addr_add+0x30e/0xa40 [ 2175.015576][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.015576][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.015576][ T7704] netlink_rcv_skb+0x130/0x360 [ 2175.015576][ T7704] netlink_unicast+0x449/0x710 [ 2175.015576][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2175.015576][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2175.015576][ T7704] ___sys_sendmsg+0xee/0x170 [ 2175.015576][ T7704] __sys_sendmsg+0xcd/0x170 [ 2175.015576][ T7704] do_syscall_64+0xc6/0x1e0 [ 2175.015576][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.015576][ T7704] [ 2175.017791][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2175.017791][ T7704] netdev_get_by_index+0x5e/0x80 [ 2175.017791][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2175.017791][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2175.017791][ T7704] ip6_route_add+0x1c/0x140 [ 2175.017791][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2175.017791][ T7704] addrconf_add_dev+0xe2/0x170 [ 2175.017791][ T7704] inet6_addr_add+0x12f/0xa40 [ 2175.017791][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.017791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.017791][ T7704] netlink_rcv_skb+0x130/0x360 [ 2175.017791][ T7704] netlink_unicast+0x449/0x710 [ 2175.017791][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2175.017791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2175.017791][ T7704] ___sys_sendmsg+0xee/0x170 [ 2175.017791][ T7704] __sys_sendmsg+0xcd/0x170 [ 2175.017791][ T7704] do_syscall_64+0xc6/0x1e0 [ 2175.017791][ T7704] [ 2175.019971][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2175.019971][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2175.019971][ T7704] ipv6_find_idev+0x102/0x170 [ 2175.019971][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.019971][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.019971][ T7704] netlink_rcv_skb+0x130/0x360 [ 2175.019971][ T7704] netlink_unicast+0x449/0x710 [ 2175.019971][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2175.019971][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2175.019971][ T7704] ___sys_sendmsg+0xee/0x170 [ 2175.019971][ T7704] __sys_sendmsg+0xcd/0x170 [ 2175.019971][ T7704] do_syscall_64+0xc6/0x1e0 [ 2175.019971][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.019971][ T7704] [ 2175.021675][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2175.021675][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2175.021675][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2175.021675][ T7704] ipv6_find_idev+0x102/0x170 [ 2175.021675][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.021675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.021675][ T7704] netlink_rcv_skb+0x130/0x360 [ 2175.021675][ T7704] netlink_unicast+0x449/0x710 [ 2175.021675][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2175.021675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2175.021675][ T7704] ___sys_sendmsg+0xee/0x170 [ 2175.021675][ T7704] __sys_sendmsg+0xcd/0x170 [ 2175.021675][ T7704] do_syscall_64+0xc6/0x1e0 [ 2175.021675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.021675][ T7704] [ 2185.060801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2185.061348][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2185.061348][ T7704] netdev_get_by_index+0x5e/0x80 [ 2185.061348][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2185.061348][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2185.061348][ T7704] ip6_route_add+0x1c/0x140 [ 2185.061348][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2185.061348][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2185.061348][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.061348][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.061348][ T7704] netlink_rcv_skb+0x130/0x360 [ 2185.061348][ T7704] netlink_unicast+0x449/0x710 [ 2185.061348][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2185.061348][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2185.061348][ T7704] ___sys_sendmsg+0xee/0x170 [ 2185.061348][ T7704] __sys_sendmsg+0xcd/0x170 [ 2185.061348][ T7704] do_syscall_64+0xc6/0x1e0 [ 2185.061348][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.061348][ T7704] [ 2185.063570][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2185.063570][ T7704] netdev_get_by_index+0x5e/0x80 [ 2185.063570][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2185.063570][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2185.063570][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2185.063570][ T7704] ipv6_add_addr+0x411/0x2000 [ 2185.063570][ T7704] inet6_addr_add+0x30e/0xa40 [ 2185.063570][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.063570][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.063570][ T7704] netlink_rcv_skb+0x130/0x360 [ 2185.063570][ T7704] netlink_unicast+0x449/0x710 [ 2185.063570][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2185.063570][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2185.063570][ T7704] ___sys_sendmsg+0xee/0x170 [ 2185.063570][ T7704] __sys_sendmsg+0xcd/0x170 [ 2185.063570][ T7704] do_syscall_64+0xc6/0x1e0 [ 2185.063570][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.063570][ T7704] [ 2185.065790][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2185.065790][ T7704] netdev_get_by_index+0x5e/0x80 [ 2185.065790][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2185.065790][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2185.065790][ T7704] ip6_route_add+0x1c/0x140 [ 2185.065790][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2185.065790][ T7704] addrconf_add_dev+0xe2/0x170 [ 2185.065790][ T7704] inet6_addr_add+0x12f/0xa40 [ 2185.065790][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.065790][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.065790][ T7704] netlink_rcv_skb+0x130/0x360 [ 2185.065790][ T7704] netlink_unicast+0x449/0x710 [ 2185.065790][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2185.065790][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2185.065790][ T7704] ___sys_sendmsg+0xee/0x170 [ 2185.065790][ T7704] __sys_sendmsg+0xcd/0x170 [ 2185.065790][ T7704] do_syscall_64+0xc6/0x1e0 [ 2185.065790][ T7704] [ 2185.067985][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2185.067985][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2185.067985][ T7704] ipv6_find_idev+0x102/0x170 [ 2185.067985][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.067985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.067985][ T7704] netlink_rcv_skb+0x130/0x360 [ 2185.067985][ T7704] netlink_unicast+0x449/0x710 [ 2185.067985][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2185.067985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2185.067985][ T7704] ___sys_sendmsg+0xee/0x170 [ 2185.067985][ T7704] __sys_sendmsg+0xcd/0x170 [ 2185.067985][ T7704] do_syscall_64+0xc6/0x1e0 [ 2185.067985][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.067985][ T7704] [ 2185.069729][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2185.069729][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2185.069729][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2185.069729][ T7704] ipv6_find_idev+0x102/0x170 [ 2185.069729][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.069729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.069729][ T7704] netlink_rcv_skb+0x130/0x360 [ 2185.069729][ T7704] netlink_unicast+0x449/0x710 [ 2185.069729][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2185.069729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2185.069729][ T7704] ___sys_sendmsg+0xee/0x170 [ 2185.069729][ T7704] __sys_sendmsg+0xcd/0x170 [ 2185.069729][ T7704] do_syscall_64+0xc6/0x1e0 [ 2185.069729][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.069729][ T7704] [ 2195.308832][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2195.309380][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2195.309380][ T7704] netdev_get_by_index+0x5e/0x80 [ 2195.309380][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2195.309380][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2195.309380][ T7704] ip6_route_add+0x1c/0x140 [ 2195.309380][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2195.309380][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2195.309380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.309380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.309380][ T7704] netlink_rcv_skb+0x130/0x360 [ 2195.309380][ T7704] netlink_unicast+0x449/0x710 [ 2195.309380][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2195.309380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2195.309380][ T7704] ___sys_sendmsg+0xee/0x170 [ 2195.309380][ T7704] __sys_sendmsg+0xcd/0x170 [ 2195.309380][ T7704] do_syscall_64+0xc6/0x1e0 [ 2195.309380][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.309380][ T7704] [ 2195.311786][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2195.311786][ T7704] netdev_get_by_index+0x5e/0x80 [ 2195.311786][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2195.311786][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2195.311786][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2195.311786][ T7704] ipv6_add_addr+0x411/0x2000 [ 2195.311786][ T7704] inet6_addr_add+0x30e/0xa40 [ 2195.311786][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.311786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.311786][ T7704] netlink_rcv_skb+0x130/0x360 [ 2195.311786][ T7704] netlink_unicast+0x449/0x710 [ 2195.311786][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2195.311786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2195.311786][ T7704] ___sys_sendmsg+0xee/0x170 [ 2195.311786][ T7704] __sys_sendmsg+0xcd/0x170 [ 2195.311786][ T7704] do_syscall_64+0xc6/0x1e0 [ 2195.311786][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.311786][ T7704] [ 2195.314138][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2195.314138][ T7704] netdev_get_by_index+0x5e/0x80 [ 2195.314138][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2195.314138][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2195.314138][ T7704] ip6_route_add+0x1c/0x140 [ 2195.314138][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2195.314138][ T7704] addrconf_add_dev+0xe2/0x170 [ 2195.314138][ T7704] inet6_addr_add+0x12f/0xa40 [ 2195.314138][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.314138][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.314138][ T7704] netlink_rcv_skb+0x130/0x360 [ 2195.314138][ T7704] netlink_unicast+0x449/0x710 [ 2195.314138][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2195.314138][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2195.314138][ T7704] ___sys_sendmsg+0xee/0x170 [ 2195.314138][ T7704] __sys_sendmsg+0xcd/0x170 [ 2195.314138][ T7704] do_syscall_64+0xc6/0x1e0 [ 2195.314138][ T7704] [ 2195.316458][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2195.316458][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2195.316458][ T7704] ipv6_find_idev+0x102/0x170 [ 2195.316458][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2195.316458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.316458][ T7704] netlink_rcv_skb+0x130/0x360 [ 2195.316458][ T7704] netlink_unicast+0x449/0x710 [ 2195.316458][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2195.316458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2195.316458][ T7704] ___sys_sendmsg+0xee/0x170 [ 2195.316458][ T7704] __sys_sendmsg+0xcd/0x170 [ 2195.316458][ T7704] do_syscall_64+0xc6/0x1e0 [ 2195.316458][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.316458][ T7704] [ 2195.318285][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2195.318285][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2195.318285][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2195.318285][ T7704] ipv6_find_idev+0x102/0x170 [ 2195.318285][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2195.318285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.318285][ T7704] netlink_rcv_skb+0x130/0x360 [ 2195.318285][ T7704] netlink_unicast+0x449/0x710 [ 2195.318285][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2195.318285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2195.318285][ T7704] ___sys_sendmsg+0xee/0x170 [ 2195.318285][ T7704] __sys_sendmsg+0xcd/0x170 [ 2195.318285][ T7704] do_syscall_64+0xc6/0x1e0 [ 2195.318285][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.318285][ T7704] [ 2205.372815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2205.373302][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2205.373302][ T7704] netdev_get_by_index+0x5e/0x80 [ 2205.373302][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2205.373302][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2205.373302][ T7704] ip6_route_add+0x1c/0x140 [ 2205.373302][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2205.373302][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2205.373302][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2205.373302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.373302][ T7704] netlink_rcv_skb+0x130/0x360 [ 2205.373302][ T7704] netlink_unicast+0x449/0x710 [ 2205.373302][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2205.373302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2205.373302][ T7704] ___sys_sendmsg+0xee/0x170 [ 2205.373302][ T7704] __sys_sendmsg+0xcd/0x170 [ 2205.373302][ T7704] do_syscall_64+0xc6/0x1e0 [ 2205.373302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.373302][ T7704] [ 2205.375737][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2205.375737][ T7704] netdev_get_by_index+0x5e/0x80 [ 2205.375737][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2205.375737][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2205.375737][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2205.375737][ T7704] ipv6_add_addr+0x411/0x2000 [ 2205.375737][ T7704] inet6_addr_add+0x30e/0xa40 [ 2205.375737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2205.375737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.375737][ T7704] netlink_rcv_skb+0x130/0x360 [ 2205.375737][ T7704] netlink_unicast+0x449/0x710 [ 2205.375737][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2205.375737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2205.375737][ T7704] ___sys_sendmsg+0xee/0x170 [ 2205.375737][ T7704] __sys_sendmsg+0xcd/0x170 [ 2205.375737][ T7704] do_syscall_64+0xc6/0x1e0 [ 2205.375737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.375737][ T7704] [ 2205.378159][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2205.378159][ T7704] netdev_get_by_index+0x5e/0x80 [ 2205.378159][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2205.378159][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2205.378159][ T7704] ip6_route_add+0x1c/0x140 [ 2205.378159][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2205.378159][ T7704] addrconf_add_dev+0xe2/0x170 [ 2205.378159][ T7704] inet6_addr_add+0x12f/0xa40 [ 2205.378159][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2205.378159][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.378159][ T7704] netlink_rcv_skb+0x130/0x360 [ 2205.378159][ T7704] netlink_unicast+0x449/0x710 [ 2205.378159][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2205.378159][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2205.378159][ T7704] ___sys_sendmsg+0xee/0x170 [ 2205.378159][ T7704] __sys_sendmsg+0xcd/0x170 [ 2205.378159][ T7704] do_syscall_64+0xc6/0x1e0 [ 2205.378159][ T7704] [ 2205.380579][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2205.380579][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2205.380579][ T7704] ipv6_find_idev+0x102/0x170 [ 2205.380579][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2205.380579][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.380579][ T7704] netlink_rcv_skb+0x130/0x360 [ 2205.380579][ T7704] netlink_unicast+0x449/0x710 [ 2205.380579][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2205.380579][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2205.380579][ T7704] ___sys_sendmsg+0xee/0x170 [ 2205.380579][ T7704] __sys_sendmsg+0xcd/0x170 [ 2205.380579][ T7704] do_syscall_64+0xc6/0x1e0 [ 2205.380579][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.380579][ T7704] [ 2205.382400][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2205.382400][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2205.382400][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2205.382400][ T7704] ipv6_find_idev+0x102/0x170 [ 2205.382400][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2205.382400][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.382400][ T7704] netlink_rcv_skb+0x130/0x360 [ 2205.382400][ T7704] netlink_unicast+0x449/0x710 [ 2205.382400][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2205.382400][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2205.382400][ T7704] ___sys_sendmsg+0xee/0x170 [ 2205.382400][ T7704] __sys_sendmsg+0xcd/0x170 [ 2205.382400][ T7704] do_syscall_64+0xc6/0x1e0 [ 2205.382400][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.382400][ T7704] [ 2215.836928][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2215.837400][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2215.837400][ T7704] netdev_get_by_index+0x5e/0x80 [ 2215.837400][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2215.837400][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2215.837400][ T7704] ip6_route_add+0x1c/0x140 [ 2215.837400][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2215.837400][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2215.837400][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2215.837400][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.837400][ T7704] netlink_rcv_skb+0x130/0x360 [ 2215.837400][ T7704] netlink_unicast+0x449/0x710 [ 2215.837400][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2215.837400][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2215.837400][ T7704] ___sys_sendmsg+0xee/0x170 [ 2215.837400][ T7704] __sys_sendmsg+0xcd/0x170 [ 2215.837400][ T7704] do_syscall_64+0xc6/0x1e0 [ 2215.837400][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.837400][ T7704] [ 2215.839626][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2215.839626][ T7704] netdev_get_by_index+0x5e/0x80 [ 2215.839626][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2215.839626][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2215.839626][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2215.839626][ T7704] ipv6_add_addr+0x411/0x2000 [ 2215.839626][ T7704] inet6_addr_add+0x30e/0xa40 [ 2215.839626][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2215.839626][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.839626][ T7704] netlink_rcv_skb+0x130/0x360 [ 2215.839626][ T7704] netlink_unicast+0x449/0x710 [ 2215.839626][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2215.839626][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2215.839626][ T7704] ___sys_sendmsg+0xee/0x170 [ 2215.839626][ T7704] __sys_sendmsg+0xcd/0x170 [ 2215.839626][ T7704] do_syscall_64+0xc6/0x1e0 [ 2215.839626][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.839626][ T7704] [ 2215.841882][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2215.841882][ T7704] netdev_get_by_index+0x5e/0x80 [ 2215.841882][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2215.841882][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2215.841882][ T7704] ip6_route_add+0x1c/0x140 [ 2215.841882][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2215.841882][ T7704] addrconf_add_dev+0xe2/0x170 [ 2215.841882][ T7704] inet6_addr_add+0x12f/0xa40 [ 2215.841882][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2215.841882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.841882][ T7704] netlink_rcv_skb+0x130/0x360 [ 2215.841882][ T7704] netlink_unicast+0x449/0x710 [ 2215.841882][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2215.841882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2215.841882][ T7704] ___sys_sendmsg+0xee/0x170 [ 2215.841882][ T7704] __sys_sendmsg+0xcd/0x170 [ 2215.841882][ T7704] do_syscall_64+0xc6/0x1e0 [ 2215.841882][ T7704] [ 2215.844103][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2215.844103][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2215.844103][ T7704] ipv6_find_idev+0x102/0x170 [ 2215.844103][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2215.844103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.844103][ T7704] netlink_rcv_skb+0x130/0x360 [ 2215.844103][ T7704] netlink_unicast+0x449/0x710 [ 2215.844103][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2215.844103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2215.844103][ T7704] ___sys_sendmsg+0xee/0x170 [ 2215.844103][ T7704] __sys_sendmsg+0xcd/0x170 [ 2215.844103][ T7704] do_syscall_64+0xc6/0x1e0 [ 2215.844103][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.844103][ T7704] [ 2215.845972][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2215.845972][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2215.845972][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2215.845972][ T7704] ipv6_find_idev+0x102/0x170 [ 2215.845972][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2215.845972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.845972][ T7704] netlink_rcv_skb+0x130/0x360 [ 2215.845972][ T7704] netlink_unicast+0x449/0x710 [ 2215.845972][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2215.845972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2215.845972][ T7704] ___sys_sendmsg+0xee/0x170 [ 2215.845972][ T7704] __sys_sendmsg+0xcd/0x170 [ 2215.845972][ T7704] do_syscall_64+0xc6/0x1e0 [ 2215.845972][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.845972][ T7704] [ 2226.084847][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2226.085332][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2226.085332][ T7704] netdev_get_by_index+0x5e/0x80 [ 2226.085332][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2226.085332][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2226.085332][ T7704] ip6_route_add+0x1c/0x140 [ 2226.085332][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2226.085332][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2226.085332][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.085332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.085332][ T7704] netlink_rcv_skb+0x130/0x360 [ 2226.085332][ T7704] netlink_unicast+0x449/0x710 [ 2226.085332][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2226.085332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2226.085332][ T7704] ___sys_sendmsg+0xee/0x170 [ 2226.085332][ T7704] __sys_sendmsg+0xcd/0x170 [ 2226.085332][ T7704] do_syscall_64+0xc6/0x1e0 [ 2226.085332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.085332][ T7704] [ 2226.087776][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2226.087776][ T7704] netdev_get_by_index+0x5e/0x80 [ 2226.087776][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2226.087776][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2226.087776][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2226.087776][ T7704] ipv6_add_addr+0x411/0x2000 [ 2226.087776][ T7704] inet6_addr_add+0x30e/0xa40 [ 2226.087776][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.087776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.087776][ T7704] netlink_rcv_skb+0x130/0x360 [ 2226.087776][ T7704] netlink_unicast+0x449/0x710 [ 2226.087776][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2226.087776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2226.087776][ T7704] ___sys_sendmsg+0xee/0x170 [ 2226.087776][ T7704] __sys_sendmsg+0xcd/0x170 [ 2226.087776][ T7704] do_syscall_64+0xc6/0x1e0 [ 2226.087776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.087776][ T7704] [ 2226.090192][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2226.090192][ T7704] netdev_get_by_index+0x5e/0x80 [ 2226.090192][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2226.090192][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2226.090192][ T7704] ip6_route_add+0x1c/0x140 [ 2226.090192][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2226.090192][ T7704] addrconf_add_dev+0xe2/0x170 [ 2226.090192][ T7704] inet6_addr_add+0x12f/0xa40 [ 2226.090192][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.090192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.090192][ T7704] netlink_rcv_skb+0x130/0x360 [ 2226.090192][ T7704] netlink_unicast+0x449/0x710 [ 2226.090192][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2226.090192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2226.090192][ T7704] ___sys_sendmsg+0xee/0x170 [ 2226.090192][ T7704] __sys_sendmsg+0xcd/0x170 [ 2226.090192][ T7704] do_syscall_64+0xc6/0x1e0 [ 2226.090192][ T7704] [ 2226.092560][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2226.092560][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2226.092560][ T7704] ipv6_find_idev+0x102/0x170 [ 2226.092560][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.092560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.092560][ T7704] netlink_rcv_skb+0x130/0x360 [ 2226.092560][ T7704] netlink_unicast+0x449/0x710 [ 2226.092560][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2226.092560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2226.092560][ T7704] ___sys_sendmsg+0xee/0x170 [ 2226.092560][ T7704] __sys_sendmsg+0xcd/0x170 [ 2226.092560][ T7704] do_syscall_64+0xc6/0x1e0 [ 2226.092560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.092560][ T7704] [ 2226.094406][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2226.094406][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2226.094406][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2226.094406][ T7704] ipv6_find_idev+0x102/0x170 [ 2226.094406][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.094406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.094406][ T7704] netlink_rcv_skb+0x130/0x360 [ 2226.094406][ T7704] netlink_unicast+0x449/0x710 [ 2226.094406][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2226.094406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2226.094406][ T7704] ___sys_sendmsg+0xee/0x170 [ 2226.094406][ T7704] __sys_sendmsg+0xcd/0x170 [ 2226.094406][ T7704] do_syscall_64+0xc6/0x1e0 [ 2226.094406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.094406][ T7704] [ 2236.188875][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2236.189395][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2236.189395][ T7704] netdev_get_by_index+0x5e/0x80 [ 2236.189395][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2236.189395][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2236.189395][ T7704] ip6_route_add+0x1c/0x140 [ 2236.189395][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2236.189395][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2236.189395][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.189395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.189395][ T7704] netlink_rcv_skb+0x130/0x360 [ 2236.189395][ T7704] netlink_unicast+0x449/0x710 [ 2236.189395][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2236.189395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2236.189395][ T7704] ___sys_sendmsg+0xee/0x170 [ 2236.189395][ T7704] __sys_sendmsg+0xcd/0x170 [ 2236.189395][ T7704] do_syscall_64+0xc6/0x1e0 [ 2236.189395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.189395][ T7704] [ 2236.191658][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2236.191658][ T7704] netdev_get_by_index+0x5e/0x80 [ 2236.191658][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2236.191658][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2236.191658][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2236.191658][ T7704] ipv6_add_addr+0x411/0x2000 [ 2236.191658][ T7704] inet6_addr_add+0x30e/0xa40 [ 2236.191658][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.191658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.191658][ T7704] netlink_rcv_skb+0x130/0x360 [ 2236.191658][ T7704] netlink_unicast+0x449/0x710 [ 2236.191658][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2236.191658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2236.191658][ T7704] ___sys_sendmsg+0xee/0x170 [ 2236.191658][ T7704] __sys_sendmsg+0xcd/0x170 [ 2236.191658][ T7704] do_syscall_64+0xc6/0x1e0 [ 2236.191658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.191658][ T7704] [ 2236.193861][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2236.193861][ T7704] netdev_get_by_index+0x5e/0x80 [ 2236.193861][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2236.193861][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2236.193861][ T7704] ip6_route_add+0x1c/0x140 [ 2236.193861][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2236.193861][ T7704] addrconf_add_dev+0xe2/0x170 [ 2236.193861][ T7704] inet6_addr_add+0x12f/0xa40 [ 2236.193861][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.193861][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.193861][ T7704] netlink_rcv_skb+0x130/0x360 [ 2236.193861][ T7704] netlink_unicast+0x449/0x710 [ 2236.193861][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2236.193861][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2236.193861][ T7704] ___sys_sendmsg+0xee/0x170 [ 2236.193861][ T7704] __sys_sendmsg+0xcd/0x170 [ 2236.193861][ T7704] do_syscall_64+0xc6/0x1e0 [ 2236.193861][ T7704] [ 2236.196025][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2236.196025][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2236.196025][ T7704] ipv6_find_idev+0x102/0x170 [ 2236.196025][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2236.196025][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.196025][ T7704] netlink_rcv_skb+0x130/0x360 [ 2236.196025][ T7704] netlink_unicast+0x449/0x710 [ 2236.196025][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2236.196025][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2236.196025][ T7704] ___sys_sendmsg+0xee/0x170 [ 2236.196025][ T7704] __sys_sendmsg+0xcd/0x170 [ 2236.196025][ T7704] do_syscall_64+0xc6/0x1e0 [ 2236.196025][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.196025][ T7704] [ 2236.197737][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2236.197737][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2236.197737][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2236.197737][ T7704] ipv6_find_idev+0x102/0x170 [ 2236.197737][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2236.197737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.197737][ T7704] netlink_rcv_skb+0x130/0x360 [ 2236.197737][ T7704] netlink_unicast+0x449/0x710 [ 2236.197737][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2236.197737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2236.197737][ T7704] ___sys_sendmsg+0xee/0x170 [ 2236.197737][ T7704] __sys_sendmsg+0xcd/0x170 [ 2236.197737][ T7704] do_syscall_64+0xc6/0x1e0 [ 2236.197737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.197737][ T7704] [ 2246.420781][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2246.421323][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2246.421323][ T7704] netdev_get_by_index+0x5e/0x80 [ 2246.421323][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2246.421323][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2246.421323][ T7704] ip6_route_add+0x1c/0x140 [ 2246.421323][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2246.421323][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2246.421323][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2246.421323][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.421323][ T7704] netlink_rcv_skb+0x130/0x360 [ 2246.421323][ T7704] netlink_unicast+0x449/0x710 [ 2246.421323][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2246.421323][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2246.421323][ T7704] ___sys_sendmsg+0xee/0x170 [ 2246.421323][ T7704] __sys_sendmsg+0xcd/0x170 [ 2246.421323][ T7704] do_syscall_64+0xc6/0x1e0 [ 2246.421323][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.421323][ T7704] [ 2246.423723][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2246.423723][ T7704] netdev_get_by_index+0x5e/0x80 [ 2246.423723][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2246.423723][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2246.423723][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2246.423723][ T7704] ipv6_add_addr+0x411/0x2000 [ 2246.423723][ T7704] inet6_addr_add+0x30e/0xa40 [ 2246.423723][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2246.423723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.423723][ T7704] netlink_rcv_skb+0x130/0x360 [ 2246.423723][ T7704] netlink_unicast+0x449/0x710 [ 2246.423723][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2246.423723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2246.423723][ T7704] ___sys_sendmsg+0xee/0x170 [ 2246.423723][ T7704] __sys_sendmsg+0xcd/0x170 [ 2246.423723][ T7704] do_syscall_64+0xc6/0x1e0 [ 2246.423723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.423723][ T7704] [ 2246.426069][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2246.426069][ T7704] netdev_get_by_index+0x5e/0x80 [ 2246.426069][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2246.426069][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2246.426069][ T7704] ip6_route_add+0x1c/0x140 [ 2246.426069][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2246.426069][ T7704] addrconf_add_dev+0xe2/0x170 [ 2246.426069][ T7704] inet6_addr_add+0x12f/0xa40 [ 2246.426069][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2246.426069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.426069][ T7704] netlink_rcv_skb+0x130/0x360 [ 2246.426069][ T7704] netlink_unicast+0x449/0x710 [ 2246.426069][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2246.426069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2246.426069][ T7704] ___sys_sendmsg+0xee/0x170 [ 2246.426069][ T7704] __sys_sendmsg+0xcd/0x170 [ 2246.426069][ T7704] do_syscall_64+0xc6/0x1e0 [ 2246.426069][ T7704] [ 2246.428381][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2246.428381][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2246.428381][ T7704] ipv6_find_idev+0x102/0x170 [ 2246.428381][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2246.428381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.428381][ T7704] netlink_rcv_skb+0x130/0x360 [ 2246.428381][ T7704] netlink_unicast+0x449/0x710 [ 2246.428381][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2246.428381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2246.428381][ T7704] ___sys_sendmsg+0xee/0x170 [ 2246.428381][ T7704] __sys_sendmsg+0xcd/0x170 [ 2246.428381][ T7704] do_syscall_64+0xc6/0x1e0 [ 2246.428381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.428381][ T7704] [ 2246.430126][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2246.430126][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2246.430126][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2246.430126][ T7704] ipv6_find_idev+0x102/0x170 [ 2246.430126][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2246.430126][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.430126][ T7704] netlink_rcv_skb+0x130/0x360 [ 2246.430126][ T7704] netlink_unicast+0x449/0x710 [ 2246.430126][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2246.430126][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2246.430126][ T7704] ___sys_sendmsg+0xee/0x170 [ 2246.430126][ T7704] __sys_sendmsg+0xcd/0x170 [ 2246.430126][ T7704] do_syscall_64+0xc6/0x1e0 [ 2246.430126][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.430126][ T7704] [ 2256.588784][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2256.589263][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2256.589263][ T7704] netdev_get_by_index+0x5e/0x80 [ 2256.589263][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2256.589263][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2256.589263][ T7704] ip6_route_add+0x1c/0x140 [ 2256.589263][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2256.589263][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2256.589263][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2256.589263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.589263][ T7704] netlink_rcv_skb+0x130/0x360 [ 2256.589263][ T7704] netlink_unicast+0x449/0x710 [ 2256.589263][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2256.589263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2256.589263][ T7704] ___sys_sendmsg+0xee/0x170 [ 2256.589263][ T7704] __sys_sendmsg+0xcd/0x170 [ 2256.589263][ T7704] do_syscall_64+0xc6/0x1e0 [ 2256.589263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.589263][ T7704] [ 2256.591528][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2256.591528][ T7704] netdev_get_by_index+0x5e/0x80 [ 2256.591528][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2256.591528][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2256.591528][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2256.591528][ T7704] ipv6_add_addr+0x411/0x2000 [ 2256.591528][ T7704] inet6_addr_add+0x30e/0xa40 [ 2256.591528][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2256.591528][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.591528][ T7704] netlink_rcv_skb+0x130/0x360 [ 2256.591528][ T7704] netlink_unicast+0x449/0x710 [ 2256.591528][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2256.591528][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2256.591528][ T7704] ___sys_sendmsg+0xee/0x170 [ 2256.591528][ T7704] __sys_sendmsg+0xcd/0x170 [ 2256.591528][ T7704] do_syscall_64+0xc6/0x1e0 [ 2256.591528][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.591528][ T7704] [ 2256.594273][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2256.594273][ T7704] netdev_get_by_index+0x5e/0x80 [ 2256.594273][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2256.594273][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2256.594273][ T7704] ip6_route_add+0x1c/0x140 [ 2256.594273][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2256.594273][ T7704] addrconf_add_dev+0xe2/0x170 [ 2256.594273][ T7704] inet6_addr_add+0x12f/0xa40 [ 2256.594273][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2256.594273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.594273][ T7704] netlink_rcv_skb+0x130/0x360 [ 2256.594273][ T7704] netlink_unicast+0x449/0x710 [ 2256.594273][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2256.594273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2256.594273][ T7704] ___sys_sendmsg+0xee/0x170 [ 2256.594273][ T7704] __sys_sendmsg+0xcd/0x170 [ 2256.594273][ T7704] do_syscall_64+0xc6/0x1e0 [ 2256.594273][ T7704] [ 2256.596476][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2256.596476][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2256.596476][ T7704] ipv6_find_idev+0x102/0x170 [ 2256.596476][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2256.596476][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.596476][ T7704] netlink_rcv_skb+0x130/0x360 [ 2256.596476][ T7704] netlink_unicast+0x449/0x710 [ 2256.596476][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2256.596476][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2256.596476][ T7704] ___sys_sendmsg+0xee/0x170 [ 2256.596476][ T7704] __sys_sendmsg+0xcd/0x170 [ 2256.596476][ T7704] do_syscall_64+0xc6/0x1e0 [ 2256.596476][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.596476][ T7704] [ 2256.598209][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2256.598209][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2256.598209][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2256.598209][ T7704] ipv6_find_idev+0x102/0x170 [ 2256.598209][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2256.598209][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.598209][ T7704] netlink_rcv_skb+0x130/0x360 [ 2256.598209][ T7704] netlink_unicast+0x449/0x710 [ 2256.598209][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2256.598209][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2256.598209][ T7704] ___sys_sendmsg+0xee/0x170 [ 2256.598209][ T7704] __sys_sendmsg+0xcd/0x170 [ 2256.598209][ T7704] do_syscall_64+0xc6/0x1e0 [ 2256.598209][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.598209][ T7704] [ 2266.636847][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2266.637304][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2266.637304][ T7704] netdev_get_by_index+0x5e/0x80 [ 2266.637304][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2266.637304][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2266.637304][ T7704] ip6_route_add+0x1c/0x140 [ 2266.637304][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2266.637304][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2266.637304][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2266.637304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.637304][ T7704] netlink_rcv_skb+0x130/0x360 [ 2266.637304][ T7704] netlink_unicast+0x449/0x710 [ 2266.637304][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2266.637304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2266.637304][ T7704] ___sys_sendmsg+0xee/0x170 [ 2266.637304][ T7704] __sys_sendmsg+0xcd/0x170 [ 2266.637304][ T7704] do_syscall_64+0xc6/0x1e0 [ 2266.637304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.637304][ T7704] [ 2266.639580][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2266.639580][ T7704] netdev_get_by_index+0x5e/0x80 [ 2266.639580][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2266.639580][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2266.639580][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2266.639580][ T7704] ipv6_add_addr+0x411/0x2000 [ 2266.639580][ T7704] inet6_addr_add+0x30e/0xa40 [ 2266.639580][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2266.639580][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.639580][ T7704] netlink_rcv_skb+0x130/0x360 [ 2266.639580][ T7704] netlink_unicast+0x449/0x710 [ 2266.639580][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2266.639580][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2266.639580][ T7704] ___sys_sendmsg+0xee/0x170 [ 2266.639580][ T7704] __sys_sendmsg+0xcd/0x170 [ 2266.639580][ T7704] do_syscall_64+0xc6/0x1e0 [ 2266.639580][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.639580][ T7704] [ 2266.641795][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2266.641795][ T7704] netdev_get_by_index+0x5e/0x80 [ 2266.641795][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2266.641795][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2266.641795][ T7704] ip6_route_add+0x1c/0x140 [ 2266.641795][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2266.641795][ T7704] addrconf_add_dev+0xe2/0x170 [ 2266.641795][ T7704] inet6_addr_add+0x12f/0xa40 [ 2266.641795][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2266.641795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.641795][ T7704] netlink_rcv_skb+0x130/0x360 [ 2266.641795][ T7704] netlink_unicast+0x449/0x710 [ 2266.641795][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2266.641795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2266.641795][ T7704] ___sys_sendmsg+0xee/0x170 [ 2266.641795][ T7704] __sys_sendmsg+0xcd/0x170 [ 2266.641795][ T7704] do_syscall_64+0xc6/0x1e0 [ 2266.641795][ T7704] [ 2266.643987][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2266.643987][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2266.643987][ T7704] ipv6_find_idev+0x102/0x170 [ 2266.643987][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2266.643987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.643987][ T7704] netlink_rcv_skb+0x130/0x360 [ 2266.643987][ T7704] netlink_unicast+0x449/0x710 [ 2266.643987][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2266.643987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2266.643987][ T7704] ___sys_sendmsg+0xee/0x170 [ 2266.643987][ T7704] __sys_sendmsg+0xcd/0x170 [ 2266.643987][ T7704] do_syscall_64+0xc6/0x1e0 [ 2266.643987][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.643987][ T7704] [ 2266.645702][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2266.645702][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2266.645702][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2266.645702][ T7704] ipv6_find_idev+0x102/0x170 [ 2266.645702][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2266.645702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.645702][ T7704] netlink_rcv_skb+0x130/0x360 [ 2266.645702][ T7704] netlink_unicast+0x449/0x710 [ 2266.645702][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2266.645702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2266.645702][ T7704] ___sys_sendmsg+0xee/0x170 [ 2266.645702][ T7704] __sys_sendmsg+0xcd/0x170 [ 2266.645702][ T7704] do_syscall_64+0xc6/0x1e0 [ 2266.645702][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.645702][ T7704] [ 2276.892816][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2276.893313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2276.893313][ T7704] netdev_get_by_index+0x5e/0x80 [ 2276.893313][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2276.893313][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2276.893313][ T7704] ip6_route_add+0x1c/0x140 [ 2276.893313][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2276.893313][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2276.893313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2276.893313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.893313][ T7704] netlink_rcv_skb+0x130/0x360 [ 2276.893313][ T7704] netlink_unicast+0x449/0x710 [ 2276.893313][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2276.893313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2276.893313][ T7704] ___sys_sendmsg+0xee/0x170 [ 2276.893313][ T7704] __sys_sendmsg+0xcd/0x170 [ 2276.893313][ T7704] do_syscall_64+0xc6/0x1e0 [ 2276.893313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.893313][ T7704] [ 2276.895775][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2276.895775][ T7704] netdev_get_by_index+0x5e/0x80 [ 2276.895775][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2276.895775][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2276.895775][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2276.895775][ T7704] ipv6_add_addr+0x411/0x2000 [ 2276.895775][ T7704] inet6_addr_add+0x30e/0xa40 [ 2276.895775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2276.895775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.895775][ T7704] netlink_rcv_skb+0x130/0x360 [ 2276.895775][ T7704] netlink_unicast+0x449/0x710 [ 2276.895775][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2276.895775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2276.895775][ T7704] ___sys_sendmsg+0xee/0x170 [ 2276.895775][ T7704] __sys_sendmsg+0xcd/0x170 [ 2276.895775][ T7704] do_syscall_64+0xc6/0x1e0 [ 2276.895775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.895775][ T7704] [ 2276.898305][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2276.898305][ T7704] netdev_get_by_index+0x5e/0x80 [ 2276.898305][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2276.898305][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2276.898305][ T7704] ip6_route_add+0x1c/0x140 [ 2276.898305][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2276.898305][ T7704] addrconf_add_dev+0xe2/0x170 [ 2276.898305][ T7704] inet6_addr_add+0x12f/0xa40 [ 2276.898305][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2276.898305][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.898305][ T7704] netlink_rcv_skb+0x130/0x360 [ 2276.898305][ T7704] netlink_unicast+0x449/0x710 [ 2276.898305][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2276.898305][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2276.898305][ T7704] ___sys_sendmsg+0xee/0x170 [ 2276.898305][ T7704] __sys_sendmsg+0xcd/0x170 [ 2276.898305][ T7704] do_syscall_64+0xc6/0x1e0 [ 2276.898305][ T7704] [ 2276.900834][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2276.900834][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2276.900834][ T7704] ipv6_find_idev+0x102/0x170 [ 2276.900834][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2276.900834][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.900834][ T7704] netlink_rcv_skb+0x130/0x360 [ 2276.900834][ T7704] netlink_unicast+0x449/0x710 [ 2276.900834][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2276.900834][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2276.900834][ T7704] ___sys_sendmsg+0xee/0x170 [ 2276.900834][ T7704] __sys_sendmsg+0xcd/0x170 [ 2276.900834][ T7704] do_syscall_64+0xc6/0x1e0 [ 2276.900834][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.900834][ T7704] [ 2276.902778][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2276.902778][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2276.902778][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2276.902778][ T7704] ipv6_find_idev+0x102/0x170 [ 2276.902778][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2276.902778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.902778][ T7704] netlink_rcv_skb+0x130/0x360 [ 2276.902778][ T7704] netlink_unicast+0x449/0x710 [ 2276.902778][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2276.902778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2276.902778][ T7704] ___sys_sendmsg+0xee/0x170 [ 2276.902778][ T7704] __sys_sendmsg+0xcd/0x170 [ 2276.902778][ T7704] do_syscall_64+0xc6/0x1e0 [ 2276.902778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.902778][ T7704] [ 2287.156821][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2287.157284][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2287.157284][ T7704] netdev_get_by_index+0x5e/0x80 [ 2287.157284][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2287.157284][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2287.157284][ T7704] ip6_route_add+0x1c/0x140 [ 2287.157284][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2287.157284][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2287.157284][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.157284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.157284][ T7704] netlink_rcv_skb+0x130/0x360 [ 2287.157284][ T7704] netlink_unicast+0x449/0x710 [ 2287.157284][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2287.157284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2287.157284][ T7704] ___sys_sendmsg+0xee/0x170 [ 2287.157284][ T7704] __sys_sendmsg+0xcd/0x170 [ 2287.157284][ T7704] do_syscall_64+0xc6/0x1e0 [ 2287.157284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.157284][ T7704] [ 2287.159533][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2287.159533][ T7704] netdev_get_by_index+0x5e/0x80 [ 2287.159533][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2287.159533][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2287.159533][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2287.159533][ T7704] ipv6_add_addr+0x411/0x2000 [ 2287.159533][ T7704] inet6_addr_add+0x30e/0xa40 [ 2287.159533][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.159533][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.159533][ T7704] netlink_rcv_skb+0x130/0x360 [ 2287.159533][ T7704] netlink_unicast+0x449/0x710 [ 2287.159533][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2287.159533][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2287.159533][ T7704] ___sys_sendmsg+0xee/0x170 [ 2287.159533][ T7704] __sys_sendmsg+0xcd/0x170 [ 2287.159533][ T7704] do_syscall_64+0xc6/0x1e0 [ 2287.159533][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.159533][ T7704] [ 2287.161751][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2287.161751][ T7704] netdev_get_by_index+0x5e/0x80 [ 2287.161751][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2287.161751][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2287.161751][ T7704] ip6_route_add+0x1c/0x140 [ 2287.161751][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2287.161751][ T7704] addrconf_add_dev+0xe2/0x170 [ 2287.161751][ T7704] inet6_addr_add+0x12f/0xa40 [ 2287.161751][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.161751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.161751][ T7704] netlink_rcv_skb+0x130/0x360 [ 2287.161751][ T7704] netlink_unicast+0x449/0x710 [ 2287.161751][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2287.161751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2287.161751][ T7704] ___sys_sendmsg+0xee/0x170 [ 2287.161751][ T7704] __sys_sendmsg+0xcd/0x170 [ 2287.161751][ T7704] do_syscall_64+0xc6/0x1e0 [ 2287.161751][ T7704] [ 2287.163932][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2287.163932][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2287.163932][ T7704] ipv6_find_idev+0x102/0x170 [ 2287.163932][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.163932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.163932][ T7704] netlink_rcv_skb+0x130/0x360 [ 2287.163932][ T7704] netlink_unicast+0x449/0x710 [ 2287.163932][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2287.163932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2287.163932][ T7704] ___sys_sendmsg+0xee/0x170 [ 2287.163932][ T7704] __sys_sendmsg+0xcd/0x170 [ 2287.163932][ T7704] do_syscall_64+0xc6/0x1e0 [ 2287.163932][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.163932][ T7704] [ 2287.165638][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2287.165638][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2287.165638][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2287.165638][ T7704] ipv6_find_idev+0x102/0x170 [ 2287.165638][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.165638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.165638][ T7704] netlink_rcv_skb+0x130/0x360 [ 2287.165638][ T7704] netlink_unicast+0x449/0x710 [ 2287.165638][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2287.165638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2287.165638][ T7704] ___sys_sendmsg+0xee/0x170 [ 2287.165638][ T7704] __sys_sendmsg+0xcd/0x170 [ 2287.165638][ T7704] do_syscall_64+0xc6/0x1e0 [ 2287.165638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.165638][ T7704] [ 2297.412775][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2297.413246][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2297.413246][ T7704] netdev_get_by_index+0x5e/0x80 [ 2297.413246][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2297.413246][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2297.413246][ T7704] ip6_route_add+0x1c/0x140 [ 2297.413246][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2297.413246][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2297.413246][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2297.413246][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.413246][ T7704] netlink_rcv_skb+0x130/0x360 [ 2297.413246][ T7704] netlink_unicast+0x449/0x710 [ 2297.413246][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2297.413246][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2297.413246][ T7704] ___sys_sendmsg+0xee/0x170 [ 2297.413246][ T7704] __sys_sendmsg+0xcd/0x170 [ 2297.413246][ T7704] do_syscall_64+0xc6/0x1e0 [ 2297.413246][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.413246][ T7704] [ 2297.415498][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2297.415498][ T7704] netdev_get_by_index+0x5e/0x80 [ 2297.415498][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2297.415498][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2297.415498][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2297.415498][ T7704] ipv6_add_addr+0x411/0x2000 [ 2297.415498][ T7704] inet6_addr_add+0x30e/0xa40 [ 2297.415498][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2297.415498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.415498][ T7704] netlink_rcv_skb+0x130/0x360 [ 2297.415498][ T7704] netlink_unicast+0x449/0x710 [ 2297.415498][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2297.415498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2297.415498][ T7704] ___sys_sendmsg+0xee/0x170 [ 2297.415498][ T7704] __sys_sendmsg+0xcd/0x170 [ 2297.415498][ T7704] do_syscall_64+0xc6/0x1e0 [ 2297.415498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.415498][ T7704] [ 2297.417719][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2297.417719][ T7704] netdev_get_by_index+0x5e/0x80 [ 2297.417719][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2297.417719][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2297.417719][ T7704] ip6_route_add+0x1c/0x140 [ 2297.417719][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2297.417719][ T7704] addrconf_add_dev+0xe2/0x170 [ 2297.417719][ T7704] inet6_addr_add+0x12f/0xa40 [ 2297.417719][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2297.417719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.417719][ T7704] netlink_rcv_skb+0x130/0x360 [ 2297.417719][ T7704] netlink_unicast+0x449/0x710 [ 2297.417719][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2297.417719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2297.417719][ T7704] ___sys_sendmsg+0xee/0x170 [ 2297.417719][ T7704] __sys_sendmsg+0xcd/0x170 [ 2297.417719][ T7704] do_syscall_64+0xc6/0x1e0 [ 2297.417719][ T7704] [ 2297.419959][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2297.419959][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2297.419959][ T7704] ipv6_find_idev+0x102/0x170 [ 2297.419959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2297.419959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.419959][ T7704] netlink_rcv_skb+0x130/0x360 [ 2297.419959][ T7704] netlink_unicast+0x449/0x710 [ 2297.419959][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2297.419959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2297.419959][ T7704] ___sys_sendmsg+0xee/0x170 [ 2297.419959][ T7704] __sys_sendmsg+0xcd/0x170 [ 2297.419959][ T7704] do_syscall_64+0xc6/0x1e0 [ 2297.419959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.419959][ T7704] [ 2297.421699][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2297.421699][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2297.421699][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2297.421699][ T7704] ipv6_find_idev+0x102/0x170 [ 2297.421699][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2297.421699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.421699][ T7704] netlink_rcv_skb+0x130/0x360 [ 2297.421699][ T7704] netlink_unicast+0x449/0x710 [ 2297.421699][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2297.421699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2297.421699][ T7704] ___sys_sendmsg+0xee/0x170 [ 2297.421699][ T7704] __sys_sendmsg+0xcd/0x170 [ 2297.421699][ T7704] do_syscall_64+0xc6/0x1e0 [ 2297.421699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.421699][ T7704] [ 2307.500875][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2307.501393][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2307.501393][ T7704] netdev_get_by_index+0x5e/0x80 [ 2307.501393][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2307.501393][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2307.501393][ T7704] ip6_route_add+0x1c/0x140 [ 2307.501393][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2307.501393][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2307.501393][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2307.501393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.501393][ T7704] netlink_rcv_skb+0x130/0x360 [ 2307.501393][ T7704] netlink_unicast+0x449/0x710 [ 2307.501393][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2307.501393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2307.501393][ T7704] ___sys_sendmsg+0xee/0x170 [ 2307.501393][ T7704] __sys_sendmsg+0xcd/0x170 [ 2307.501393][ T7704] do_syscall_64+0xc6/0x1e0 [ 2307.501393][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.501393][ T7704] [ 2307.503641][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2307.503641][ T7704] netdev_get_by_index+0x5e/0x80 [ 2307.503641][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2307.503641][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2307.503641][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2307.503641][ T7704] ipv6_add_addr+0x411/0x2000 [ 2307.503641][ T7704] inet6_addr_add+0x30e/0xa40 [ 2307.503641][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2307.503641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.503641][ T7704] netlink_rcv_skb+0x130/0x360 [ 2307.503641][ T7704] netlink_unicast+0x449/0x710 [ 2307.503641][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2307.503641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2307.503641][ T7704] ___sys_sendmsg+0xee/0x170 [ 2307.503641][ T7704] __sys_sendmsg+0xcd/0x170 [ 2307.503641][ T7704] do_syscall_64+0xc6/0x1e0 [ 2307.503641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.503641][ T7704] [ 2307.505847][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2307.505847][ T7704] netdev_get_by_index+0x5e/0x80 [ 2307.505847][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2307.505847][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2307.505847][ T7704] ip6_route_add+0x1c/0x140 [ 2307.505847][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2307.505847][ T7704] addrconf_add_dev+0xe2/0x170 [ 2307.505847][ T7704] inet6_addr_add+0x12f/0xa40 [ 2307.505847][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2307.505847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.505847][ T7704] netlink_rcv_skb+0x130/0x360 [ 2307.505847][ T7704] netlink_unicast+0x449/0x710 [ 2307.505847][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2307.505847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2307.505847][ T7704] ___sys_sendmsg+0xee/0x170 [ 2307.505847][ T7704] __sys_sendmsg+0xcd/0x170 [ 2307.505847][ T7704] do_syscall_64+0xc6/0x1e0 [ 2307.505847][ T7704] [ 2307.508553][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2307.508553][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2307.508553][ T7704] ipv6_find_idev+0x102/0x170 [ 2307.508553][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2307.508553][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.508553][ T7704] netlink_rcv_skb+0x130/0x360 [ 2307.508553][ T7704] netlink_unicast+0x449/0x710 [ 2307.508553][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2307.508553][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2307.508553][ T7704] ___sys_sendmsg+0xee/0x170 [ 2307.508553][ T7704] __sys_sendmsg+0xcd/0x170 [ 2307.508553][ T7704] do_syscall_64+0xc6/0x1e0 [ 2307.508553][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.508553][ T7704] [ 2307.510262][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2307.510262][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2307.510262][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2307.510262][ T7704] ipv6_find_idev+0x102/0x170 [ 2307.510262][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2307.510262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.510262][ T7704] netlink_rcv_skb+0x130/0x360 [ 2307.510262][ T7704] netlink_unicast+0x449/0x710 [ 2307.510262][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2307.510262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2307.510262][ T7704] ___sys_sendmsg+0xee/0x170 [ 2307.510262][ T7704] __sys_sendmsg+0xcd/0x170 [ 2307.510262][ T7704] do_syscall_64+0xc6/0x1e0 [ 2307.510262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.510262][ T7704] [ 2317.748795][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2317.749259][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2317.749259][ T7704] netdev_get_by_index+0x5e/0x80 [ 2317.749259][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2317.749259][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2317.749259][ T7704] ip6_route_add+0x1c/0x140 [ 2317.749259][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2317.749259][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2317.749259][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2317.749259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.749259][ T7704] netlink_rcv_skb+0x130/0x360 [ 2317.749259][ T7704] netlink_unicast+0x449/0x710 [ 2317.749259][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2317.749259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2317.749259][ T7704] ___sys_sendmsg+0xee/0x170 [ 2317.749259][ T7704] __sys_sendmsg+0xcd/0x170 [ 2317.749259][ T7704] do_syscall_64+0xc6/0x1e0 [ 2317.749259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.749259][ T7704] [ 2317.751550][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2317.751550][ T7704] netdev_get_by_index+0x5e/0x80 [ 2317.751550][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2317.751550][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2317.751550][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2317.751550][ T7704] ipv6_add_addr+0x411/0x2000 [ 2317.751550][ T7704] inet6_addr_add+0x30e/0xa40 [ 2317.751550][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2317.751550][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.751550][ T7704] netlink_rcv_skb+0x130/0x360 [ 2317.751550][ T7704] netlink_unicast+0x449/0x710 [ 2317.751550][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2317.751550][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2317.751550][ T7704] ___sys_sendmsg+0xee/0x170 [ 2317.751550][ T7704] __sys_sendmsg+0xcd/0x170 [ 2317.751550][ T7704] do_syscall_64+0xc6/0x1e0 [ 2317.751550][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.751550][ T7704] [ 2317.753800][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2317.753800][ T7704] netdev_get_by_index+0x5e/0x80 [ 2317.753800][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2317.753800][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2317.753800][ T7704] ip6_route_add+0x1c/0x140 [ 2317.753800][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2317.753800][ T7704] addrconf_add_dev+0xe2/0x170 [ 2317.753800][ T7704] inet6_addr_add+0x12f/0xa40 [ 2317.753800][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2317.753800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.753800][ T7704] netlink_rcv_skb+0x130/0x360 [ 2317.753800][ T7704] netlink_unicast+0x449/0x710 [ 2317.753800][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2317.753800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2317.753800][ T7704] ___sys_sendmsg+0xee/0x170 [ 2317.753800][ T7704] __sys_sendmsg+0xcd/0x170 [ 2317.753800][ T7704] do_syscall_64+0xc6/0x1e0 [ 2317.753800][ T7704] [ 2317.756022][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2317.756022][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2317.756022][ T7704] ipv6_find_idev+0x102/0x170 [ 2317.756022][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2317.756022][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.756022][ T7704] netlink_rcv_skb+0x130/0x360 [ 2317.756022][ T7704] netlink_unicast+0x449/0x710 [ 2317.756022][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2317.756022][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2317.756022][ T7704] ___sys_sendmsg+0xee/0x170 [ 2317.756022][ T7704] __sys_sendmsg+0xcd/0x170 [ 2317.756022][ T7704] do_syscall_64+0xc6/0x1e0 [ 2317.756022][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.756022][ T7704] [ 2317.757773][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2317.757773][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2317.757773][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2317.757773][ T7704] ipv6_find_idev+0x102/0x170 [ 2317.757773][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2317.757773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.757773][ T7704] netlink_rcv_skb+0x130/0x360 [ 2317.757773][ T7704] netlink_unicast+0x449/0x710 [ 2317.757773][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2317.757773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2317.757773][ T7704] ___sys_sendmsg+0xee/0x170 [ 2317.757773][ T7704] __sys_sendmsg+0xcd/0x170 [ 2317.757773][ T7704] do_syscall_64+0xc6/0x1e0 [ 2317.757773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.757773][ T7704] [ 2327.860736][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2327.861301][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2327.861301][ T7704] netdev_get_by_index+0x5e/0x80 [ 2327.861301][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2327.861301][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2327.861301][ T7704] ip6_route_add+0x1c/0x140 [ 2327.861301][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2327.861301][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2327.861301][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2327.861301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2327.861301][ T7704] netlink_rcv_skb+0x130/0x360 [ 2327.861301][ T7704] netlink_unicast+0x449/0x710 [ 2327.861301][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2327.861301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2327.861301][ T7704] ___sys_sendmsg+0xee/0x170 [ 2327.861301][ T7704] __sys_sendmsg+0xcd/0x170 [ 2327.861301][ T7704] do_syscall_64+0xc6/0x1e0 [ 2327.861301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2327.861301][ T7704] [ 2327.863804][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2327.863804][ T7704] netdev_get_by_index+0x5e/0x80 [ 2327.863804][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2327.863804][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2327.863804][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2327.863804][ T7704] ipv6_add_addr+0x411/0x2000 [ 2327.863804][ T7704] inet6_addr_add+0x30e/0xa40 [ 2327.863804][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2327.863804][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2327.863804][ T7704] netlink_rcv_skb+0x130/0x360 [ 2327.863804][ T7704] netlink_unicast+0x449/0x710 [ 2327.863804][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2327.863804][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2327.863804][ T7704] ___sys_sendmsg+0xee/0x170 [ 2327.863804][ T7704] __sys_sendmsg+0xcd/0x170 [ 2327.863804][ T7704] do_syscall_64+0xc6/0x1e0 [ 2327.863804][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2327.863804][ T7704] [ 2327.866751][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2327.866751][ T7704] netdev_get_by_index+0x5e/0x80 [ 2327.866751][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2327.866751][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2327.866751][ T7704] ip6_route_add+0x1c/0x140 [ 2327.866751][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2327.866751][ T7704] addrconf_add_dev+0xe2/0x170 [ 2327.866751][ T7704] inet6_addr_add+0x12f/0xa40 [ 2327.866751][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2327.866751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2327.866751][ T7704] netlink_rcv_skb+0x130/0x360 [ 2327.866751][ T7704] netlink_unicast+0x449/0x710 [ 2327.866751][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2327.866751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2327.866751][ T7704] ___sys_sendmsg+0xee/0x170 [ 2327.866751][ T7704] __sys_sendmsg+0xcd/0x170 [ 2327.866751][ T7704] do_syscall_64+0xc6/0x1e0 [ 2327.866751][ T7704] [ 2327.869066][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2327.869066][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2327.869066][ T7704] ipv6_find_idev+0x102/0x170 [ 2327.869066][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2327.869066][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2327.869066][ T7704] netlink_rcv_skb+0x130/0x360 [ 2327.869066][ T7704] netlink_unicast+0x449/0x710 [ 2327.869066][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2327.869066][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2327.869066][ T7704] ___sys_sendmsg+0xee/0x170 [ 2327.869066][ T7704] __sys_sendmsg+0xcd/0x170 [ 2327.869066][ T7704] do_syscall_64+0xc6/0x1e0 [ 2327.869066][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2327.869066][ T7704] [ 2327.871207][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2327.871207][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2327.871207][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2327.871207][ T7704] ipv6_find_idev+0x102/0x170 [ 2327.871207][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2327.871207][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2327.871207][ T7704] netlink_rcv_skb+0x130/0x360 [ 2327.871207][ T7704] netlink_unicast+0x449/0x710 [ 2327.871207][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2327.871207][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2327.871207][ T7704] ___sys_sendmsg+0xee/0x170 [ 2327.871207][ T7704] __sys_sendmsg+0xcd/0x170 [ 2327.871207][ T7704] do_syscall_64+0xc6/0x1e0 [ 2327.871207][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2327.871207][ T7704] [ 2337.948794][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2337.949542][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2337.949542][ T7704] netdev_get_by_index+0x5e/0x80 [ 2337.949542][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2337.949542][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2337.949542][ T7704] ip6_route_add+0x1c/0x140 [ 2337.949542][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2337.949542][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2337.949542][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2337.949542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2337.949542][ T7704] netlink_rcv_skb+0x130/0x360 [ 2337.949542][ T7704] netlink_unicast+0x449/0x710 [ 2337.949542][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2337.949542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2337.949542][ T7704] ___sys_sendmsg+0xee/0x170 [ 2337.949542][ T7704] __sys_sendmsg+0xcd/0x170 [ 2337.949542][ T7704] do_syscall_64+0xc6/0x1e0 [ 2337.949542][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2337.949542][ T7704] [ 2337.953405][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2337.953405][ T7704] netdev_get_by_index+0x5e/0x80 [ 2337.953405][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2337.953405][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2337.953405][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2337.953405][ T7704] ipv6_add_addr+0x411/0x2000 [ 2337.953405][ T7704] inet6_addr_add+0x30e/0xa40 [ 2337.953405][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2337.953405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2337.953405][ T7704] netlink_rcv_skb+0x130/0x360 [ 2337.953405][ T7704] netlink_unicast+0x449/0x710 [ 2337.953405][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2337.953405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2337.953405][ T7704] ___sys_sendmsg+0xee/0x170 [ 2337.953405][ T7704] __sys_sendmsg+0xcd/0x170 [ 2337.953405][ T7704] do_syscall_64+0xc6/0x1e0 [ 2337.953405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2337.953405][ T7704] [ 2337.956086][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2337.956086][ T7704] netdev_get_by_index+0x5e/0x80 [ 2337.956086][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2337.956086][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2337.956086][ T7704] ip6_route_add+0x1c/0x140 [ 2337.956086][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2337.956086][ T7704] addrconf_add_dev+0xe2/0x170 [ 2337.956086][ T7704] inet6_addr_add+0x12f/0xa40 [ 2337.956086][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2337.956086][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2337.956086][ T7704] netlink_rcv_skb+0x130/0x360 [ 2337.956086][ T7704] netlink_unicast+0x449/0x710 [ 2337.956086][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2337.956086][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2337.956086][ T7704] ___sys_sendmsg+0xee/0x170 [ 2337.956086][ T7704] __sys_sendmsg+0xcd/0x170 [ 2337.956086][ T7704] do_syscall_64+0xc6/0x1e0 [ 2337.956086][ T7704] [ 2337.958515][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2337.958515][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2337.958515][ T7704] ipv6_find_idev+0x102/0x170 [ 2337.958515][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2337.958515][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2337.958515][ T7704] netlink_rcv_skb+0x130/0x360 [ 2337.958515][ T7704] netlink_unicast+0x449/0x710 [ 2337.958515][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2337.958515][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2337.958515][ T7704] ___sys_sendmsg+0xee/0x170 [ 2337.958515][ T7704] __sys_sendmsg+0xcd/0x170 [ 2337.958515][ T7704] do_syscall_64+0xc6/0x1e0 [ 2337.958515][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2337.958515][ T7704] [ 2337.960812][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2337.960812][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2337.960812][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2337.960812][ T7704] ipv6_find_idev+0x102/0x170 [ 2337.960812][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2337.960812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2337.960812][ T7704] netlink_rcv_skb+0x130/0x360 [ 2337.960812][ T7704] netlink_unicast+0x449/0x710 [ 2337.960812][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2337.960812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2337.960812][ T7704] ___sys_sendmsg+0xee/0x170 [ 2337.960812][ T7704] __sys_sendmsg+0xcd/0x170 [ 2337.960812][ T7704] do_syscall_64+0xc6/0x1e0 [ 2337.960812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2337.960812][ T7704] [ 2348.036749][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2348.037304][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2348.037304][ T7704] netdev_get_by_index+0x5e/0x80 [ 2348.037304][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2348.037304][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2348.037304][ T7704] ip6_route_add+0x1c/0x140 [ 2348.037304][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2348.037304][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2348.037304][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2348.037304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.037304][ T7704] netlink_rcv_skb+0x130/0x360 [ 2348.037304][ T7704] netlink_unicast+0x449/0x710 [ 2348.037304][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2348.037304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2348.037304][ T7704] ___sys_sendmsg+0xee/0x170 [ 2348.037304][ T7704] __sys_sendmsg+0xcd/0x170 [ 2348.037304][ T7704] do_syscall_64+0xc6/0x1e0 [ 2348.037304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.037304][ T7704] [ 2348.039601][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2348.039601][ T7704] netdev_get_by_index+0x5e/0x80 [ 2348.039601][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2348.039601][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2348.039601][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2348.039601][ T7704] ipv6_add_addr+0x411/0x2000 [ 2348.039601][ T7704] inet6_addr_add+0x30e/0xa40 [ 2348.039601][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2348.039601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.039601][ T7704] netlink_rcv_skb+0x130/0x360 [ 2348.039601][ T7704] netlink_unicast+0x449/0x710 [ 2348.039601][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2348.039601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2348.039601][ T7704] ___sys_sendmsg+0xee/0x170 [ 2348.039601][ T7704] __sys_sendmsg+0xcd/0x170 [ 2348.039601][ T7704] do_syscall_64+0xc6/0x1e0 [ 2348.039601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.039601][ T7704] [ 2348.041811][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2348.041811][ T7704] netdev_get_by_index+0x5e/0x80 [ 2348.041811][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2348.041811][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2348.041811][ T7704] ip6_route_add+0x1c/0x140 [ 2348.041811][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2348.041811][ T7704] addrconf_add_dev+0xe2/0x170 [ 2348.041811][ T7704] inet6_addr_add+0x12f/0xa40 [ 2348.041811][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2348.041811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.041811][ T7704] netlink_rcv_skb+0x130/0x360 [ 2348.041811][ T7704] netlink_unicast+0x449/0x710 [ 2348.041811][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2348.041811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2348.041811][ T7704] ___sys_sendmsg+0xee/0x170 [ 2348.041811][ T7704] __sys_sendmsg+0xcd/0x170 [ 2348.041811][ T7704] do_syscall_64+0xc6/0x1e0 [ 2348.041811][ T7704] [ 2348.043977][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2348.043977][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2348.043977][ T7704] ipv6_find_idev+0x102/0x170 [ 2348.043977][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2348.043977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.043977][ T7704] netlink_rcv_skb+0x130/0x360 [ 2348.043977][ T7704] netlink_unicast+0x449/0x710 [ 2348.043977][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2348.043977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2348.043977][ T7704] ___sys_sendmsg+0xee/0x170 [ 2348.043977][ T7704] __sys_sendmsg+0xcd/0x170 [ 2348.043977][ T7704] do_syscall_64+0xc6/0x1e0 [ 2348.043977][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.043977][ T7704] [ 2348.045679][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2348.045679][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2348.045679][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2348.045679][ T7704] ipv6_find_idev+0x102/0x170 [ 2348.045679][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2348.045679][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.045679][ T7704] netlink_rcv_skb+0x130/0x360 [ 2348.045679][ T7704] netlink_unicast+0x449/0x710 [ 2348.045679][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2348.045679][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2348.045679][ T7704] ___sys_sendmsg+0xee/0x170 [ 2348.045679][ T7704] __sys_sendmsg+0xcd/0x170 [ 2348.045679][ T7704] do_syscall_64+0xc6/0x1e0 [ 2348.045679][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.045679][ T7704] [ 2358.284806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2358.285293][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2358.285293][ T7704] netdev_get_by_index+0x5e/0x80 [ 2358.285293][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2358.285293][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2358.285293][ T7704] ip6_route_add+0x1c/0x140 [ 2358.285293][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2358.285293][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2358.285293][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2358.285293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.285293][ T7704] netlink_rcv_skb+0x130/0x360 [ 2358.285293][ T7704] netlink_unicast+0x449/0x710 [ 2358.285293][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2358.285293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2358.285293][ T7704] ___sys_sendmsg+0xee/0x170 [ 2358.285293][ T7704] __sys_sendmsg+0xcd/0x170 [ 2358.285293][ T7704] do_syscall_64+0xc6/0x1e0 [ 2358.285293][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.285293][ T7704] [ 2358.287662][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2358.287662][ T7704] netdev_get_by_index+0x5e/0x80 [ 2358.287662][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2358.287662][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2358.287662][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2358.287662][ T7704] ipv6_add_addr+0x411/0x2000 [ 2358.287662][ T7704] inet6_addr_add+0x30e/0xa40 [ 2358.287662][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2358.287662][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.287662][ T7704] netlink_rcv_skb+0x130/0x360 [ 2358.287662][ T7704] netlink_unicast+0x449/0x710 [ 2358.287662][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2358.287662][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2358.287662][ T7704] ___sys_sendmsg+0xee/0x170 [ 2358.287662][ T7704] __sys_sendmsg+0xcd/0x170 [ 2358.287662][ T7704] do_syscall_64+0xc6/0x1e0 [ 2358.287662][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.287662][ T7704] [ 2358.289917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2358.289917][ T7704] netdev_get_by_index+0x5e/0x80 [ 2358.289917][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2358.289917][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2358.289917][ T7704] ip6_route_add+0x1c/0x140 [ 2358.289917][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2358.289917][ T7704] addrconf_add_dev+0xe2/0x170 [ 2358.289917][ T7704] inet6_addr_add+0x12f/0xa40 [ 2358.289917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2358.289917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.289917][ T7704] netlink_rcv_skb+0x130/0x360 [ 2358.289917][ T7704] netlink_unicast+0x449/0x710 [ 2358.289917][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2358.289917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2358.289917][ T7704] ___sys_sendmsg+0xee/0x170 [ 2358.289917][ T7704] __sys_sendmsg+0xcd/0x170 [ 2358.289917][ T7704] do_syscall_64+0xc6/0x1e0 [ 2358.289917][ T7704] [ 2358.292157][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2358.292157][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2358.292157][ T7704] ipv6_find_idev+0x102/0x170 [ 2358.292157][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2358.292157][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.292157][ T7704] netlink_rcv_skb+0x130/0x360 [ 2358.292157][ T7704] netlink_unicast+0x449/0x710 [ 2358.292157][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2358.292157][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2358.292157][ T7704] ___sys_sendmsg+0xee/0x170 [ 2358.292157][ T7704] __sys_sendmsg+0xcd/0x170 [ 2358.292157][ T7704] do_syscall_64+0xc6/0x1e0 [ 2358.292157][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.292157][ T7704] [ 2358.293880][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2358.293880][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2358.293880][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2358.293880][ T7704] ipv6_find_idev+0x102/0x170 [ 2358.293880][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2358.293880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.293880][ T7704] netlink_rcv_skb+0x130/0x360 [ 2358.293880][ T7704] netlink_unicast+0x449/0x710 [ 2358.293880][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2358.293880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2358.293880][ T7704] ___sys_sendmsg+0xee/0x170 [ 2358.293880][ T7704] __sys_sendmsg+0xcd/0x170 [ 2358.293880][ T7704] do_syscall_64+0xc6/0x1e0 [ 2358.293880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.293880][ T7704] [ 2368.532886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2368.533343][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2368.533343][ T7704] netdev_get_by_index+0x5e/0x80 [ 2368.533343][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2368.533343][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2368.533343][ T7704] ip6_route_add+0x1c/0x140 [ 2368.533343][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2368.533343][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2368.533343][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2368.533343][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2368.533343][ T7704] netlink_rcv_skb+0x130/0x360 [ 2368.533343][ T7704] netlink_unicast+0x449/0x710 [ 2368.533343][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2368.533343][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2368.533343][ T7704] ___sys_sendmsg+0xee/0x170 [ 2368.533343][ T7704] __sys_sendmsg+0xcd/0x170 [ 2368.533343][ T7704] do_syscall_64+0xc6/0x1e0 [ 2368.533343][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2368.533343][ T7704] [ 2368.535582][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2368.535582][ T7704] netdev_get_by_index+0x5e/0x80 [ 2368.535582][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2368.535582][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2368.535582][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2368.535582][ T7704] ipv6_add_addr+0x411/0x2000 [ 2368.535582][ T7704] inet6_addr_add+0x30e/0xa40 [ 2368.535582][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2368.535582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2368.535582][ T7704] netlink_rcv_skb+0x130/0x360 [ 2368.535582][ T7704] netlink_unicast+0x449/0x710 [ 2368.535582][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2368.535582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2368.535582][ T7704] ___sys_sendmsg+0xee/0x170 [ 2368.535582][ T7704] __sys_sendmsg+0xcd/0x170 [ 2368.535582][ T7704] do_syscall_64+0xc6/0x1e0 [ 2368.535582][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2368.535582][ T7704] [ 2368.537788][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2368.537788][ T7704] netdev_get_by_index+0x5e/0x80 [ 2368.537788][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2368.537788][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2368.537788][ T7704] ip6_route_add+0x1c/0x140 [ 2368.537788][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2368.537788][ T7704] addrconf_add_dev+0xe2/0x170 [ 2368.537788][ T7704] inet6_addr_add+0x12f/0xa40 [ 2368.537788][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2368.537788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2368.537788][ T7704] netlink_rcv_skb+0x130/0x360 [ 2368.537788][ T7704] netlink_unicast+0x449/0x710 [ 2368.537788][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2368.537788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2368.537788][ T7704] ___sys_sendmsg+0xee/0x170 [ 2368.537788][ T7704] __sys_sendmsg+0xcd/0x170 [ 2368.537788][ T7704] do_syscall_64+0xc6/0x1e0 [ 2368.537788][ T7704] [ 2368.540072][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2368.540072][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2368.540072][ T7704] ipv6_find_idev+0x102/0x170 [ 2368.540072][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2368.540072][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2368.540072][ T7704] netlink_rcv_skb+0x130/0x360 [ 2368.540072][ T7704] netlink_unicast+0x449/0x710 [ 2368.540072][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2368.540072][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2368.540072][ T7704] ___sys_sendmsg+0xee/0x170 [ 2368.540072][ T7704] __sys_sendmsg+0xcd/0x170 [ 2368.540072][ T7704] do_syscall_64+0xc6/0x1e0 [ 2368.540072][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2368.540072][ T7704] [ 2368.541947][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2368.541947][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2368.541947][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2368.541947][ T7704] ipv6_find_idev+0x102/0x170 [ 2368.541947][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2368.541947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2368.541947][ T7704] netlink_rcv_skb+0x130/0x360 [ 2368.541947][ T7704] netlink_unicast+0x449/0x710 [ 2368.541947][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2368.541947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2368.541947][ T7704] ___sys_sendmsg+0xee/0x170 [ 2368.541947][ T7704] __sys_sendmsg+0xcd/0x170 [ 2368.541947][ T7704] do_syscall_64+0xc6/0x1e0 [ 2368.541947][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2368.541947][ T7704] [ 2378.676880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2378.677423][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2378.677423][ T7704] netdev_get_by_index+0x5e/0x80 [ 2378.677423][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2378.677423][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2378.677423][ T7704] ip6_route_add+0x1c/0x140 [ 2378.677423][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2378.677423][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2378.677423][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2378.677423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2378.677423][ T7704] netlink_rcv_skb+0x130/0x360 [ 2378.677423][ T7704] netlink_unicast+0x449/0x710 [ 2378.677423][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2378.677423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2378.677423][ T7704] ___sys_sendmsg+0xee/0x170 [ 2378.677423][ T7704] __sys_sendmsg+0xcd/0x170 [ 2378.677423][ T7704] do_syscall_64+0xc6/0x1e0 [ 2378.677423][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2378.677423][ T7704] [ 2378.679891][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2378.679891][ T7704] netdev_get_by_index+0x5e/0x80 [ 2378.679891][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2378.679891][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2378.679891][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2378.679891][ T7704] ipv6_add_addr+0x411/0x2000 [ 2378.679891][ T7704] inet6_addr_add+0x30e/0xa40 [ 2378.679891][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2378.679891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2378.679891][ T7704] netlink_rcv_skb+0x130/0x360 [ 2378.679891][ T7704] netlink_unicast+0x449/0x710 [ 2378.679891][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2378.679891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2378.679891][ T7704] ___sys_sendmsg+0xee/0x170 [ 2378.679891][ T7704] __sys_sendmsg+0xcd/0x170 [ 2378.679891][ T7704] do_syscall_64+0xc6/0x1e0 [ 2378.679891][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2378.679891][ T7704] [ 2378.682309][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2378.682309][ T7704] netdev_get_by_index+0x5e/0x80 [ 2378.682309][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2378.682309][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2378.682309][ T7704] ip6_route_add+0x1c/0x140 [ 2378.682309][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2378.682309][ T7704] addrconf_add_dev+0xe2/0x170 [ 2378.682309][ T7704] inet6_addr_add+0x12f/0xa40 [ 2378.682309][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2378.682309][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2378.682309][ T7704] netlink_rcv_skb+0x130/0x360 [ 2378.682309][ T7704] netlink_unicast+0x449/0x710 [ 2378.682309][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2378.682309][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2378.682309][ T7704] ___sys_sendmsg+0xee/0x170 [ 2378.682309][ T7704] __sys_sendmsg+0xcd/0x170 [ 2378.682309][ T7704] do_syscall_64+0xc6/0x1e0 [ 2378.682309][ T7704] [ 2378.684729][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2378.684729][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2378.684729][ T7704] ipv6_find_idev+0x102/0x170 [ 2378.684729][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2378.684729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2378.684729][ T7704] netlink_rcv_skb+0x130/0x360 [ 2378.684729][ T7704] netlink_unicast+0x449/0x710 [ 2378.684729][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2378.684729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2378.684729][ T7704] ___sys_sendmsg+0xee/0x170 [ 2378.684729][ T7704] __sys_sendmsg+0xcd/0x170 [ 2378.684729][ T7704] do_syscall_64+0xc6/0x1e0 [ 2378.684729][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2378.684729][ T7704] [ 2378.686605][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2378.686605][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2378.686605][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2378.686605][ T7704] ipv6_find_idev+0x102/0x170 [ 2378.686605][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2378.686605][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2378.686605][ T7704] netlink_rcv_skb+0x130/0x360 [ 2378.686605][ T7704] netlink_unicast+0x449/0x710 [ 2378.686605][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2378.686605][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2378.686605][ T7704] ___sys_sendmsg+0xee/0x170 [ 2378.686605][ T7704] __sys_sendmsg+0xcd/0x170 [ 2378.686605][ T7704] do_syscall_64+0xc6/0x1e0 [ 2378.686605][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2378.686605][ T7704] [ 2388.924787][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2388.925385][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2388.925385][ T7704] netdev_get_by_index+0x5e/0x80 [ 2388.925385][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2388.925385][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2388.925385][ T7704] ip6_route_add+0x1c/0x140 [ 2388.925385][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2388.925385][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2388.925385][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2388.925385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2388.925385][ T7704] netlink_rcv_skb+0x130/0x360 [ 2388.925385][ T7704] netlink_unicast+0x449/0x710 [ 2388.925385][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2388.925385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2388.925385][ T7704] ___sys_sendmsg+0xee/0x170 [ 2388.925385][ T7704] __sys_sendmsg+0xcd/0x170 [ 2388.925385][ T7704] do_syscall_64+0xc6/0x1e0 [ 2388.925385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2388.925385][ T7704] [ 2388.927955][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2388.927955][ T7704] netdev_get_by_index+0x5e/0x80 [ 2388.927955][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2388.927955][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2388.927955][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2388.927955][ T7704] ipv6_add_addr+0x411/0x2000 [ 2388.927955][ T7704] inet6_addr_add+0x30e/0xa40 [ 2388.927955][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2388.927955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2388.927955][ T7704] netlink_rcv_skb+0x130/0x360 [ 2388.927955][ T7704] netlink_unicast+0x449/0x710 [ 2388.927955][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2388.927955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2388.927955][ T7704] ___sys_sendmsg+0xee/0x170 [ 2388.927955][ T7704] __sys_sendmsg+0xcd/0x170 [ 2388.927955][ T7704] do_syscall_64+0xc6/0x1e0 [ 2388.927955][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2388.927955][ T7704] [ 2388.930497][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2388.930497][ T7704] netdev_get_by_index+0x5e/0x80 [ 2388.930497][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2388.930497][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2388.930497][ T7704] ip6_route_add+0x1c/0x140 [ 2388.930497][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2388.930497][ T7704] addrconf_add_dev+0xe2/0x170 [ 2388.930497][ T7704] inet6_addr_add+0x12f/0xa40 [ 2388.930497][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2388.930497][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2388.930497][ T7704] netlink_rcv_skb+0x130/0x360 [ 2388.930497][ T7704] netlink_unicast+0x449/0x710 [ 2388.930497][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2388.930497][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2388.930497][ T7704] ___sys_sendmsg+0xee/0x170 [ 2388.930497][ T7704] __sys_sendmsg+0xcd/0x170 [ 2388.930497][ T7704] do_syscall_64+0xc6/0x1e0 [ 2388.930497][ T7704] [ 2388.932948][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2388.932948][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2388.932948][ T7704] ipv6_find_idev+0x102/0x170 [ 2388.932948][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2388.932948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2388.932948][ T7704] netlink_rcv_skb+0x130/0x360 [ 2388.932948][ T7704] netlink_unicast+0x449/0x710 [ 2388.932948][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2388.932948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2388.932948][ T7704] ___sys_sendmsg+0xee/0x170 [ 2388.932948][ T7704] __sys_sendmsg+0xcd/0x170 [ 2388.932948][ T7704] do_syscall_64+0xc6/0x1e0 [ 2388.932948][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2388.932948][ T7704] [ 2388.934918][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2388.934918][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2388.934918][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2388.934918][ T7704] ipv6_find_idev+0x102/0x170 [ 2388.934918][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2388.934918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2388.934918][ T7704] netlink_rcv_skb+0x130/0x360 [ 2388.934918][ T7704] netlink_unicast+0x449/0x710 [ 2388.934918][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2388.934918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2388.934918][ T7704] ___sys_sendmsg+0xee/0x170 [ 2388.934918][ T7704] __sys_sendmsg+0xcd/0x170 [ 2388.934918][ T7704] do_syscall_64+0xc6/0x1e0 [ 2388.934918][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2388.934918][ T7704] [ 2399.172867][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2399.173343][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2399.173343][ T7704] netdev_get_by_index+0x5e/0x80 [ 2399.173343][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2399.173343][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2399.173343][ T7704] ip6_route_add+0x1c/0x140 [ 2399.173343][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2399.173343][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2399.173343][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2399.173343][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.173343][ T7704] netlink_rcv_skb+0x130/0x360 [ 2399.173343][ T7704] netlink_unicast+0x449/0x710 [ 2399.173343][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2399.173343][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2399.173343][ T7704] ___sys_sendmsg+0xee/0x170 [ 2399.173343][ T7704] __sys_sendmsg+0xcd/0x170 [ 2399.173343][ T7704] do_syscall_64+0xc6/0x1e0 [ 2399.173343][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.173343][ T7704] [ 2399.176130][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2399.176130][ T7704] netdev_get_by_index+0x5e/0x80 [ 2399.176130][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2399.176130][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2399.176130][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2399.176130][ T7704] ipv6_add_addr+0x411/0x2000 [ 2399.176130][ T7704] inet6_addr_add+0x30e/0xa40 [ 2399.176130][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2399.176130][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.176130][ T7704] netlink_rcv_skb+0x130/0x360 [ 2399.176130][ T7704] netlink_unicast+0x449/0x710 [ 2399.176130][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2399.176130][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2399.176130][ T7704] ___sys_sendmsg+0xee/0x170 [ 2399.176130][ T7704] __sys_sendmsg+0xcd/0x170 [ 2399.176130][ T7704] do_syscall_64+0xc6/0x1e0 [ 2399.176130][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.176130][ T7704] [ 2399.178343][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2399.178343][ T7704] netdev_get_by_index+0x5e/0x80 [ 2399.178343][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2399.178343][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2399.178343][ T7704] ip6_route_add+0x1c/0x140 [ 2399.178343][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2399.178343][ T7704] addrconf_add_dev+0xe2/0x170 [ 2399.178343][ T7704] inet6_addr_add+0x12f/0xa40 [ 2399.178343][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2399.178343][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.178343][ T7704] netlink_rcv_skb+0x130/0x360 [ 2399.178343][ T7704] netlink_unicast+0x449/0x710 [ 2399.178343][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2399.178343][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2399.178343][ T7704] ___sys_sendmsg+0xee/0x170 [ 2399.178343][ T7704] __sys_sendmsg+0xcd/0x170 [ 2399.178343][ T7704] do_syscall_64+0xc6/0x1e0 [ 2399.178343][ T7704] [ 2399.180563][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2399.180563][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2399.180563][ T7704] ipv6_find_idev+0x102/0x170 [ 2399.180563][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2399.180563][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.180563][ T7704] netlink_rcv_skb+0x130/0x360 [ 2399.180563][ T7704] netlink_unicast+0x449/0x710 [ 2399.180563][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2399.180563][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2399.180563][ T7704] ___sys_sendmsg+0xee/0x170 [ 2399.180563][ T7704] __sys_sendmsg+0xcd/0x170 [ 2399.180563][ T7704] do_syscall_64+0xc6/0x1e0 [ 2399.180563][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.180563][ T7704] [ 2399.182262][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2399.182262][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2399.182262][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2399.182262][ T7704] ipv6_find_idev+0x102/0x170 [ 2399.182262][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2399.182262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.182262][ T7704] netlink_rcv_skb+0x130/0x360 [ 2399.182262][ T7704] netlink_unicast+0x449/0x710 [ 2399.182262][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2399.182262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2399.182262][ T7704] ___sys_sendmsg+0xee/0x170 [ 2399.182262][ T7704] __sys_sendmsg+0xcd/0x170 [ 2399.182262][ T7704] do_syscall_64+0xc6/0x1e0 [ 2399.182262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.182262][ T7704] [ 2409.356850][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2409.357301][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2409.357301][ T7704] netdev_get_by_index+0x5e/0x80 [ 2409.357301][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2409.357301][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2409.357301][ T7704] ip6_route_add+0x1c/0x140 [ 2409.357301][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2409.357301][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2409.357301][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2409.357301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2409.357301][ T7704] netlink_rcv_skb+0x130/0x360 [ 2409.357301][ T7704] netlink_unicast+0x449/0x710 [ 2409.357301][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2409.357301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2409.357301][ T7704] ___sys_sendmsg+0xee/0x170 [ 2409.357301][ T7704] __sys_sendmsg+0xcd/0x170 [ 2409.357301][ T7704] do_syscall_64+0xc6/0x1e0 [ 2409.357301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2409.357301][ T7704] [ 2409.359578][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2409.359578][ T7704] netdev_get_by_index+0x5e/0x80 [ 2409.359578][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2409.359578][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2409.359578][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2409.359578][ T7704] ipv6_add_addr+0x411/0x2000 [ 2409.359578][ T7704] inet6_addr_add+0x30e/0xa40 [ 2409.359578][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2409.359578][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2409.359578][ T7704] netlink_rcv_skb+0x130/0x360 [ 2409.359578][ T7704] netlink_unicast+0x449/0x710 [ 2409.359578][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2409.359578][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2409.359578][ T7704] ___sys_sendmsg+0xee/0x170 [ 2409.359578][ T7704] __sys_sendmsg+0xcd/0x170 [ 2409.359578][ T7704] do_syscall_64+0xc6/0x1e0 [ 2409.359578][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2409.359578][ T7704] [ 2409.361789][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2409.361789][ T7704] netdev_get_by_index+0x5e/0x80 [ 2409.361789][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2409.361789][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2409.361789][ T7704] ip6_route_add+0x1c/0x140 [ 2409.361789][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2409.361789][ T7704] addrconf_add_dev+0xe2/0x170 [ 2409.361789][ T7704] inet6_addr_add+0x12f/0xa40 [ 2409.361789][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2409.361789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2409.361789][ T7704] netlink_rcv_skb+0x130/0x360 [ 2409.361789][ T7704] netlink_unicast+0x449/0x710 [ 2409.361789][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2409.361789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2409.361789][ T7704] ___sys_sendmsg+0xee/0x170 [ 2409.361789][ T7704] __sys_sendmsg+0xcd/0x170 [ 2409.361789][ T7704] do_syscall_64+0xc6/0x1e0 [ 2409.361789][ T7704] [ 2409.363988][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2409.363988][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2409.363988][ T7704] ipv6_find_idev+0x102/0x170 [ 2409.363988][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2409.363988][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2409.363988][ T7704] netlink_rcv_skb+0x130/0x360 [ 2409.363988][ T7704] netlink_unicast+0x449/0x710 [ 2409.363988][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2409.363988][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2409.363988][ T7704] ___sys_sendmsg+0xee/0x170 [ 2409.363988][ T7704] __sys_sendmsg+0xcd/0x170 [ 2409.363988][ T7704] do_syscall_64+0xc6/0x1e0 [ 2409.363988][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2409.363988][ T7704] [ 2409.365752][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2409.365752][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2409.365752][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2409.365752][ T7704] ipv6_find_idev+0x102/0x170 [ 2409.365752][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2409.365752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2409.365752][ T7704] netlink_rcv_skb+0x130/0x360 [ 2409.365752][ T7704] netlink_unicast+0x449/0x710 [ 2409.365752][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2409.365752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2409.365752][ T7704] ___sys_sendmsg+0xee/0x170 [ 2409.365752][ T7704] __sys_sendmsg+0xcd/0x170 [ 2409.365752][ T7704] do_syscall_64+0xc6/0x1e0 [ 2409.365752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2409.365752][ T7704] [ 2419.428822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2419.429274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2419.429274][ T7704] netdev_get_by_index+0x5e/0x80 [ 2419.429274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2419.429274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2419.429274][ T7704] ip6_route_add+0x1c/0x140 [ 2419.429274][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2419.429274][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2419.429274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2419.429274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2419.429274][ T7704] netlink_rcv_skb+0x130/0x360 [ 2419.429274][ T7704] netlink_unicast+0x449/0x710 [ 2419.429274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2419.429274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2419.429274][ T7704] ___sys_sendmsg+0xee/0x170 [ 2419.429274][ T7704] __sys_sendmsg+0xcd/0x170 [ 2419.429274][ T7704] do_syscall_64+0xc6/0x1e0 [ 2419.429274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2419.429274][ T7704] [ 2419.431543][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2419.431543][ T7704] netdev_get_by_index+0x5e/0x80 [ 2419.431543][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2419.431543][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2419.431543][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2419.431543][ T7704] ipv6_add_addr+0x411/0x2000 [ 2419.431543][ T7704] inet6_addr_add+0x30e/0xa40 [ 2419.431543][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2419.431543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2419.431543][ T7704] netlink_rcv_skb+0x130/0x360 [ 2419.431543][ T7704] netlink_unicast+0x449/0x710 [ 2419.431543][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2419.431543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2419.431543][ T7704] ___sys_sendmsg+0xee/0x170 [ 2419.431543][ T7704] __sys_sendmsg+0xcd/0x170 [ 2419.431543][ T7704] do_syscall_64+0xc6/0x1e0 [ 2419.431543][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2419.431543][ T7704] [ 2419.433761][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2419.433761][ T7704] netdev_get_by_index+0x5e/0x80 [ 2419.433761][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2419.433761][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2419.433761][ T7704] ip6_route_add+0x1c/0x140 [ 2419.433761][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2419.433761][ T7704] addrconf_add_dev+0xe2/0x170 [ 2419.433761][ T7704] inet6_addr_add+0x12f/0xa40 [ 2419.433761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2419.433761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2419.433761][ T7704] netlink_rcv_skb+0x130/0x360 [ 2419.433761][ T7704] netlink_unicast+0x449/0x710 [ 2419.433761][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2419.433761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2419.433761][ T7704] ___sys_sendmsg+0xee/0x170 [ 2419.433761][ T7704] __sys_sendmsg+0xcd/0x170 [ 2419.433761][ T7704] do_syscall_64+0xc6/0x1e0 [ 2419.433761][ T7704] [ 2419.435978][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2419.435978][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2419.435978][ T7704] ipv6_find_idev+0x102/0x170 [ 2419.435978][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2419.435978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2419.435978][ T7704] netlink_rcv_skb+0x130/0x360 [ 2419.435978][ T7704] netlink_unicast+0x449/0x710 [ 2419.435978][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2419.435978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2419.435978][ T7704] ___sys_sendmsg+0xee/0x170 [ 2419.435978][ T7704] __sys_sendmsg+0xcd/0x170 [ 2419.435978][ T7704] do_syscall_64+0xc6/0x1e0 [ 2419.435978][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2419.435978][ T7704] [ 2419.437711][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2419.437711][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2419.437711][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2419.437711][ T7704] ipv6_find_idev+0x102/0x170 [ 2419.437711][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2419.437711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2419.437711][ T7704] netlink_rcv_skb+0x130/0x360 [ 2419.437711][ T7704] netlink_unicast+0x449/0x710 [ 2419.437711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2419.437711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2419.437711][ T7704] ___sys_sendmsg+0xee/0x170 [ 2419.437711][ T7704] __sys_sendmsg+0xcd/0x170 [ 2419.437711][ T7704] do_syscall_64+0xc6/0x1e0 [ 2419.437711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2419.437711][ T7704] [ 2429.676786][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2429.677342][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2429.677342][ T7704] netdev_get_by_index+0x5e/0x80 [ 2429.677342][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2429.677342][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2429.677342][ T7704] ip6_route_add+0x1c/0x140 [ 2429.677342][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2429.677342][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2429.677342][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2429.677342][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2429.677342][ T7704] netlink_rcv_skb+0x130/0x360 [ 2429.677342][ T7704] netlink_unicast+0x449/0x710 [ 2429.677342][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2429.677342][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2429.677342][ T7704] ___sys_sendmsg+0xee/0x170 [ 2429.677342][ T7704] __sys_sendmsg+0xcd/0x170 [ 2429.677342][ T7704] do_syscall_64+0xc6/0x1e0 [ 2429.677342][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2429.677342][ T7704] [ 2429.679682][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2429.679682][ T7704] netdev_get_by_index+0x5e/0x80 [ 2429.679682][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2429.679682][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2429.679682][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2429.679682][ T7704] ipv6_add_addr+0x411/0x2000 [ 2429.679682][ T7704] inet6_addr_add+0x30e/0xa40 [ 2429.679682][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2429.679682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2429.679682][ T7704] netlink_rcv_skb+0x130/0x360 [ 2429.679682][ T7704] netlink_unicast+0x449/0x710 [ 2429.679682][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2429.679682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2429.679682][ T7704] ___sys_sendmsg+0xee/0x170 [ 2429.679682][ T7704] __sys_sendmsg+0xcd/0x170 [ 2429.679682][ T7704] do_syscall_64+0xc6/0x1e0 [ 2429.679682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2429.679682][ T7704] [ 2429.681957][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2429.681957][ T7704] netdev_get_by_index+0x5e/0x80 [ 2429.681957][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2429.681957][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2429.681957][ T7704] ip6_route_add+0x1c/0x140 [ 2429.681957][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2429.681957][ T7704] addrconf_add_dev+0xe2/0x170 [ 2429.681957][ T7704] inet6_addr_add+0x12f/0xa40 [ 2429.681957][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2429.681957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2429.681957][ T7704] netlink_rcv_skb+0x130/0x360 [ 2429.681957][ T7704] netlink_unicast+0x449/0x710 [ 2429.681957][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2429.681957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2429.681957][ T7704] ___sys_sendmsg+0xee/0x170 [ 2429.681957][ T7704] __sys_sendmsg+0xcd/0x170 [ 2429.681957][ T7704] do_syscall_64+0xc6/0x1e0 [ 2429.681957][ T7704] [ 2429.684202][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2429.684202][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2429.684202][ T7704] ipv6_find_idev+0x102/0x170 [ 2429.684202][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2429.684202][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2429.684202][ T7704] netlink_rcv_skb+0x130/0x360 [ 2429.684202][ T7704] netlink_unicast+0x449/0x710 [ 2429.684202][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2429.684202][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2429.684202][ T7704] ___sys_sendmsg+0xee/0x170 [ 2429.684202][ T7704] __sys_sendmsg+0xcd/0x170 [ 2429.684202][ T7704] do_syscall_64+0xc6/0x1e0 [ 2429.684202][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2429.684202][ T7704] [ 2429.685962][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2429.685962][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2429.685962][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2429.685962][ T7704] ipv6_find_idev+0x102/0x170 [ 2429.685962][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2429.685962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2429.685962][ T7704] netlink_rcv_skb+0x130/0x360 [ 2429.685962][ T7704] netlink_unicast+0x449/0x710 [ 2429.685962][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2429.685962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2429.685962][ T7704] ___sys_sendmsg+0xee/0x170 [ 2429.685962][ T7704] __sys_sendmsg+0xcd/0x170 [ 2429.685962][ T7704] do_syscall_64+0xc6/0x1e0 [ 2429.685962][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2429.685962][ T7704] [ 2439.812786][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2439.813313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2439.813313][ T7704] netdev_get_by_index+0x5e/0x80 [ 2439.813313][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2439.813313][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2439.813313][ T7704] ip6_route_add+0x1c/0x140 [ 2439.813313][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2439.813313][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2439.813313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2439.813313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2439.813313][ T7704] netlink_rcv_skb+0x130/0x360 [ 2439.813313][ T7704] netlink_unicast+0x449/0x710 [ 2439.813313][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2439.813313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2439.813313][ T7704] ___sys_sendmsg+0xee/0x170 [ 2439.813313][ T7704] __sys_sendmsg+0xcd/0x170 [ 2439.813313][ T7704] do_syscall_64+0xc6/0x1e0 [ 2439.813313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2439.813313][ T7704] [ 2439.815559][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2439.815559][ T7704] netdev_get_by_index+0x5e/0x80 [ 2439.815559][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2439.815559][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2439.815559][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2439.815559][ T7704] ipv6_add_addr+0x411/0x2000 [ 2439.815559][ T7704] inet6_addr_add+0x30e/0xa40 [ 2439.815559][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2439.815559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2439.815559][ T7704] netlink_rcv_skb+0x130/0x360 [ 2439.815559][ T7704] netlink_unicast+0x449/0x710 [ 2439.815559][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2439.815559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2439.815559][ T7704] ___sys_sendmsg+0xee/0x170 [ 2439.815559][ T7704] __sys_sendmsg+0xcd/0x170 [ 2439.815559][ T7704] do_syscall_64+0xc6/0x1e0 [ 2439.815559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2439.815559][ T7704] [ 2439.817776][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2439.817776][ T7704] netdev_get_by_index+0x5e/0x80 [ 2439.817776][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2439.817776][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2439.817776][ T7704] ip6_route_add+0x1c/0x140 [ 2439.817776][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2439.817776][ T7704] addrconf_add_dev+0xe2/0x170 [ 2439.817776][ T7704] inet6_addr_add+0x12f/0xa40 [ 2439.817776][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2439.817776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2439.817776][ T7704] netlink_rcv_skb+0x130/0x360 [ 2439.817776][ T7704] netlink_unicast+0x449/0x710 [ 2439.817776][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2439.817776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2439.817776][ T7704] ___sys_sendmsg+0xee/0x170 [ 2439.817776][ T7704] __sys_sendmsg+0xcd/0x170 [ 2439.817776][ T7704] do_syscall_64+0xc6/0x1e0 [ 2439.817776][ T7704] [ 2439.819987][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2439.819987][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2439.819987][ T7704] ipv6_find_idev+0x102/0x170 [ 2439.819987][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2439.819987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2439.819987][ T7704] netlink_rcv_skb+0x130/0x360 [ 2439.819987][ T7704] netlink_unicast+0x449/0x710 [ 2439.819987][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2439.819987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2439.819987][ T7704] ___sys_sendmsg+0xee/0x170 [ 2439.819987][ T7704] __sys_sendmsg+0xcd/0x170 [ 2439.819987][ T7704] do_syscall_64+0xc6/0x1e0 [ 2439.819987][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2439.819987][ T7704] [ 2439.821687][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2439.821687][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2439.821687][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2439.821687][ T7704] ipv6_find_idev+0x102/0x170 [ 2439.821687][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2439.821687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2439.821687][ T7704] netlink_rcv_skb+0x130/0x360 [ 2439.821687][ T7704] netlink_unicast+0x449/0x710 [ 2439.821687][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2439.821687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2439.821687][ T7704] ___sys_sendmsg+0xee/0x170 [ 2439.821687][ T7704] __sys_sendmsg+0xcd/0x170 [ 2439.821687][ T7704] do_syscall_64+0xc6/0x1e0 [ 2439.821687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2439.821687][ T7704] [ 2449.836919][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2449.837379][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2449.837379][ T7704] netdev_get_by_index+0x5e/0x80 [ 2449.837379][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2449.837379][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2449.837379][ T7704] ip6_route_add+0x1c/0x140 [ 2449.837379][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2449.837379][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2449.837379][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2449.837379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2449.837379][ T7704] netlink_rcv_skb+0x130/0x360 [ 2449.837379][ T7704] netlink_unicast+0x449/0x710 [ 2449.837379][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2449.837379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2449.837379][ T7704] ___sys_sendmsg+0xee/0x170 [ 2449.837379][ T7704] __sys_sendmsg+0xcd/0x170 [ 2449.837379][ T7704] do_syscall_64+0xc6/0x1e0 [ 2449.837379][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2449.837379][ T7704] [ 2449.839689][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2449.839689][ T7704] netdev_get_by_index+0x5e/0x80 [ 2449.839689][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2449.839689][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2449.839689][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2449.839689][ T7704] ipv6_add_addr+0x411/0x2000 [ 2449.839689][ T7704] inet6_addr_add+0x30e/0xa40 [ 2449.839689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2449.839689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2449.839689][ T7704] netlink_rcv_skb+0x130/0x360 [ 2449.839689][ T7704] netlink_unicast+0x449/0x710 [ 2449.839689][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2449.839689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2449.839689][ T7704] ___sys_sendmsg+0xee/0x170 [ 2449.839689][ T7704] __sys_sendmsg+0xcd/0x170 [ 2449.839689][ T7704] do_syscall_64+0xc6/0x1e0 [ 2449.839689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2449.839689][ T7704] [ 2449.841938][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2449.841938][ T7704] netdev_get_by_index+0x5e/0x80 [ 2449.841938][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2449.841938][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2449.841938][ T7704] ip6_route_add+0x1c/0x140 [ 2449.841938][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2449.841938][ T7704] addrconf_add_dev+0xe2/0x170 [ 2449.841938][ T7704] inet6_addr_add+0x12f/0xa40 [ 2449.841938][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2449.841938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2449.841938][ T7704] netlink_rcv_skb+0x130/0x360 [ 2449.841938][ T7704] netlink_unicast+0x449/0x710 [ 2449.841938][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2449.841938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2449.841938][ T7704] ___sys_sendmsg+0xee/0x170 [ 2449.841938][ T7704] __sys_sendmsg+0xcd/0x170 [ 2449.841938][ T7704] do_syscall_64+0xc6/0x1e0 [ 2449.841938][ T7704] [ 2449.844412][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2449.844412][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2449.844412][ T7704] ipv6_find_idev+0x102/0x170 [ 2449.844412][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2449.844412][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2449.844412][ T7704] netlink_rcv_skb+0x130/0x360 [ 2449.844412][ T7704] netlink_unicast+0x449/0x710 [ 2449.844412][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2449.844412][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2449.844412][ T7704] ___sys_sendmsg+0xee/0x170 [ 2449.844412][ T7704] __sys_sendmsg+0xcd/0x170 [ 2449.844412][ T7704] do_syscall_64+0xc6/0x1e0 [ 2449.844412][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2449.844412][ T7704] [ 2449.847082][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2449.847082][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2449.847082][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2449.847082][ T7704] ipv6_find_idev+0x102/0x170 [ 2449.847082][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2449.847082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2449.847082][ T7704] netlink_rcv_skb+0x130/0x360 [ 2449.847082][ T7704] netlink_unicast+0x449/0x710 [ 2449.847082][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2449.847082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2449.847082][ T7704] ___sys_sendmsg+0xee/0x170 [ 2449.847082][ T7704] __sys_sendmsg+0xcd/0x170 [ 2449.847082][ T7704] do_syscall_64+0xc6/0x1e0 [ 2449.847082][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2449.847082][ T7704] [ 2459.932800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2459.933348][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2459.933348][ T7704] netdev_get_by_index+0x5e/0x80 [ 2459.933348][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2459.933348][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2459.933348][ T7704] ip6_route_add+0x1c/0x140 [ 2459.933348][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2459.933348][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2459.933348][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2459.933348][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2459.933348][ T7704] netlink_rcv_skb+0x130/0x360 [ 2459.933348][ T7704] netlink_unicast+0x449/0x710 [ 2459.933348][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2459.933348][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2459.933348][ T7704] ___sys_sendmsg+0xee/0x170 [ 2459.933348][ T7704] __sys_sendmsg+0xcd/0x170 [ 2459.933348][ T7704] do_syscall_64+0xc6/0x1e0 [ 2459.933348][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2459.933348][ T7704] [ 2459.935622][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2459.935622][ T7704] netdev_get_by_index+0x5e/0x80 [ 2459.935622][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2459.935622][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2459.935622][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2459.935622][ T7704] ipv6_add_addr+0x411/0x2000 [ 2459.935622][ T7704] inet6_addr_add+0x30e/0xa40 [ 2459.935622][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2459.935622][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2459.935622][ T7704] netlink_rcv_skb+0x130/0x360 [ 2459.935622][ T7704] netlink_unicast+0x449/0x710 [ 2459.935622][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2459.935622][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2459.935622][ T7704] ___sys_sendmsg+0xee/0x170 [ 2459.935622][ T7704] __sys_sendmsg+0xcd/0x170 [ 2459.935622][ T7704] do_syscall_64+0xc6/0x1e0 [ 2459.935622][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2459.935622][ T7704] [ 2459.937871][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2459.937871][ T7704] netdev_get_by_index+0x5e/0x80 [ 2459.937871][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2459.937871][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2459.937871][ T7704] ip6_route_add+0x1c/0x140 [ 2459.937871][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2459.937871][ T7704] addrconf_add_dev+0xe2/0x170 [ 2459.937871][ T7704] inet6_addr_add+0x12f/0xa40 [ 2459.937871][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2459.937871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2459.937871][ T7704] netlink_rcv_skb+0x130/0x360 [ 2459.937871][ T7704] netlink_unicast+0x449/0x710 [ 2459.937871][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2459.937871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2459.937871][ T7704] ___sys_sendmsg+0xee/0x170 [ 2459.937871][ T7704] __sys_sendmsg+0xcd/0x170 [ 2459.937871][ T7704] do_syscall_64+0xc6/0x1e0 [ 2459.937871][ T7704] [ 2459.940083][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2459.940083][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2459.940083][ T7704] ipv6_find_idev+0x102/0x170 [ 2459.940083][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2459.940083][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2459.940083][ T7704] netlink_rcv_skb+0x130/0x360 [ 2459.940083][ T7704] netlink_unicast+0x449/0x710 [ 2459.940083][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2459.940083][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2459.940083][ T7704] ___sys_sendmsg+0xee/0x170 [ 2459.940083][ T7704] __sys_sendmsg+0xcd/0x170 [ 2459.940083][ T7704] do_syscall_64+0xc6/0x1e0 [ 2459.940083][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2459.940083][ T7704] [ 2459.941802][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2459.941802][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2459.941802][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2459.941802][ T7704] ipv6_find_idev+0x102/0x170 [ 2459.941802][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2459.941802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2459.941802][ T7704] netlink_rcv_skb+0x130/0x360 [ 2459.941802][ T7704] netlink_unicast+0x449/0x710 [ 2459.941802][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2459.941802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2459.941802][ T7704] ___sys_sendmsg+0xee/0x170 [ 2459.941802][ T7704] __sys_sendmsg+0xcd/0x170 [ 2459.941802][ T7704] do_syscall_64+0xc6/0x1e0 [ 2459.941802][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2459.941802][ T7704] [ 2470.180815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2470.181297][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2470.181297][ T7704] netdev_get_by_index+0x5e/0x80 [ 2470.181297][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2470.181297][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2470.181297][ T7704] ip6_route_add+0x1c/0x140 [ 2470.181297][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2470.181297][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2470.181297][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2470.181297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2470.181297][ T7704] netlink_rcv_skb+0x130/0x360 [ 2470.181297][ T7704] netlink_unicast+0x449/0x710 [ 2470.181297][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2470.181297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2470.181297][ T7704] ___sys_sendmsg+0xee/0x170 [ 2470.181297][ T7704] __sys_sendmsg+0xcd/0x170 [ 2470.181297][ T7704] do_syscall_64+0xc6/0x1e0 [ 2470.181297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2470.181297][ T7704] [ 2470.183565][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2470.183565][ T7704] netdev_get_by_index+0x5e/0x80 [ 2470.183565][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2470.183565][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2470.183565][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2470.183565][ T7704] ipv6_add_addr+0x411/0x2000 [ 2470.183565][ T7704] inet6_addr_add+0x30e/0xa40 [ 2470.183565][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2470.183565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2470.183565][ T7704] netlink_rcv_skb+0x130/0x360 [ 2470.183565][ T7704] netlink_unicast+0x449/0x710 [ 2470.183565][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2470.183565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2470.183565][ T7704] ___sys_sendmsg+0xee/0x170 [ 2470.183565][ T7704] __sys_sendmsg+0xcd/0x170 [ 2470.183565][ T7704] do_syscall_64+0xc6/0x1e0 [ 2470.183565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2470.183565][ T7704] [ 2470.185820][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2470.185820][ T7704] netdev_get_by_index+0x5e/0x80 [ 2470.185820][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2470.185820][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2470.185820][ T7704] ip6_route_add+0x1c/0x140 [ 2470.185820][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2470.185820][ T7704] addrconf_add_dev+0xe2/0x170 [ 2470.185820][ T7704] inet6_addr_add+0x12f/0xa40 [ 2470.185820][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2470.185820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2470.185820][ T7704] netlink_rcv_skb+0x130/0x360 [ 2470.185820][ T7704] netlink_unicast+0x449/0x710 [ 2470.185820][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2470.185820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2470.185820][ T7704] ___sys_sendmsg+0xee/0x170 [ 2470.185820][ T7704] __sys_sendmsg+0xcd/0x170 [ 2470.185820][ T7704] do_syscall_64+0xc6/0x1e0 [ 2470.185820][ T7704] [ 2470.188018][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2470.188018][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2470.188018][ T7704] ipv6_find_idev+0x102/0x170 [ 2470.188018][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2470.188018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2470.188018][ T7704] netlink_rcv_skb+0x130/0x360 [ 2470.188018][ T7704] netlink_unicast+0x449/0x710 [ 2470.188018][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2470.188018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2470.188018][ T7704] ___sys_sendmsg+0xee/0x170 [ 2470.188018][ T7704] __sys_sendmsg+0xcd/0x170 [ 2470.188018][ T7704] do_syscall_64+0xc6/0x1e0 [ 2470.188018][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2470.188018][ T7704] [ 2470.189766][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2470.189766][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2470.189766][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2470.189766][ T7704] ipv6_find_idev+0x102/0x170 [ 2470.189766][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2470.189766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2470.189766][ T7704] netlink_rcv_skb+0x130/0x360 [ 2470.189766][ T7704] netlink_unicast+0x449/0x710 [ 2470.189766][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2470.189766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2470.189766][ T7704] ___sys_sendmsg+0xee/0x170 [ 2470.189766][ T7704] __sys_sendmsg+0xcd/0x170 [ 2470.189766][ T7704] do_syscall_64+0xc6/0x1e0 [ 2470.189766][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2470.189766][ T7704] [ 2480.428754][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2480.429232][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2480.429232][ T7704] netdev_get_by_index+0x5e/0x80 [ 2480.429232][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2480.429232][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2480.429232][ T7704] ip6_route_add+0x1c/0x140 [ 2480.429232][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2480.429232][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2480.429232][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2480.429232][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2480.429232][ T7704] netlink_rcv_skb+0x130/0x360 [ 2480.429232][ T7704] netlink_unicast+0x449/0x710 [ 2480.429232][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2480.429232][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2480.429232][ T7704] ___sys_sendmsg+0xee/0x170 [ 2480.429232][ T7704] __sys_sendmsg+0xcd/0x170 [ 2480.429232][ T7704] do_syscall_64+0xc6/0x1e0 [ 2480.429232][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2480.429232][ T7704] [ 2480.431513][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2480.431513][ T7704] netdev_get_by_index+0x5e/0x80 [ 2480.431513][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2480.431513][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2480.431513][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2480.431513][ T7704] ipv6_add_addr+0x411/0x2000 [ 2480.431513][ T7704] inet6_addr_add+0x30e/0xa40 [ 2480.431513][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2480.431513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2480.431513][ T7704] netlink_rcv_skb+0x130/0x360 [ 2480.431513][ T7704] netlink_unicast+0x449/0x710 [ 2480.431513][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2480.431513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2480.431513][ T7704] ___sys_sendmsg+0xee/0x170 [ 2480.431513][ T7704] __sys_sendmsg+0xcd/0x170 [ 2480.431513][ T7704] do_syscall_64+0xc6/0x1e0 [ 2480.431513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2480.431513][ T7704] [ 2480.433756][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2480.433756][ T7704] netdev_get_by_index+0x5e/0x80 [ 2480.433756][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2480.433756][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2480.433756][ T7704] ip6_route_add+0x1c/0x140 [ 2480.433756][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2480.433756][ T7704] addrconf_add_dev+0xe2/0x170 [ 2480.433756][ T7704] inet6_addr_add+0x12f/0xa40 [ 2480.433756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2480.433756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2480.433756][ T7704] netlink_rcv_skb+0x130/0x360 [ 2480.433756][ T7704] netlink_unicast+0x449/0x710 [ 2480.433756][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2480.433756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2480.433756][ T7704] ___sys_sendmsg+0xee/0x170 [ 2480.433756][ T7704] __sys_sendmsg+0xcd/0x170 [ 2480.433756][ T7704] do_syscall_64+0xc6/0x1e0 [ 2480.433756][ T7704] [ 2480.435945][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2480.435945][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2480.435945][ T7704] ipv6_find_idev+0x102/0x170 [ 2480.435945][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2480.435945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2480.435945][ T7704] netlink_rcv_skb+0x130/0x360 [ 2480.435945][ T7704] netlink_unicast+0x449/0x710 [ 2480.435945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2480.435945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2480.435945][ T7704] ___sys_sendmsg+0xee/0x170 [ 2480.435945][ T7704] __sys_sendmsg+0xcd/0x170 [ 2480.435945][ T7704] do_syscall_64+0xc6/0x1e0 [ 2480.435945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2480.435945][ T7704] [ 2480.437667][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2480.437667][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2480.437667][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2480.437667][ T7704] ipv6_find_idev+0x102/0x170 [ 2480.437667][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2480.437667][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2480.437667][ T7704] netlink_rcv_skb+0x130/0x360 [ 2480.437667][ T7704] netlink_unicast+0x449/0x710 [ 2480.437667][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2480.437667][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2480.437667][ T7704] ___sys_sendmsg+0xee/0x170 [ 2480.437667][ T7704] __sys_sendmsg+0xcd/0x170 [ 2480.437667][ T7704] do_syscall_64+0xc6/0x1e0 [ 2480.437667][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2480.437667][ T7704] [ 2490.836831][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2490.837311][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2490.837311][ T7704] netdev_get_by_index+0x5e/0x80 [ 2490.837311][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2490.837311][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2490.837311][ T7704] ip6_route_add+0x1c/0x140 [ 2490.837311][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2490.837311][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2490.837311][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2490.837311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2490.837311][ T7704] netlink_rcv_skb+0x130/0x360 [ 2490.837311][ T7704] netlink_unicast+0x449/0x710 [ 2490.837311][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2490.837311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2490.837311][ T7704] ___sys_sendmsg+0xee/0x170 [ 2490.837311][ T7704] __sys_sendmsg+0xcd/0x170 [ 2490.837311][ T7704] do_syscall_64+0xc6/0x1e0 [ 2490.837311][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2490.837311][ T7704] [ 2490.839582][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2490.839582][ T7704] netdev_get_by_index+0x5e/0x80 [ 2490.839582][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2490.839582][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2490.839582][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2490.839582][ T7704] ipv6_add_addr+0x411/0x2000 [ 2490.839582][ T7704] inet6_addr_add+0x30e/0xa40 [ 2490.839582][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2490.839582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2490.839582][ T7704] netlink_rcv_skb+0x130/0x360 [ 2490.839582][ T7704] netlink_unicast+0x449/0x710 [ 2490.839582][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2490.839582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2490.839582][ T7704] ___sys_sendmsg+0xee/0x170 [ 2490.839582][ T7704] __sys_sendmsg+0xcd/0x170 [ 2490.839582][ T7704] do_syscall_64+0xc6/0x1e0 [ 2490.839582][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2490.839582][ T7704] [ 2490.841807][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2490.841807][ T7704] netdev_get_by_index+0x5e/0x80 [ 2490.841807][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2490.841807][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2490.841807][ T7704] ip6_route_add+0x1c/0x140 [ 2490.841807][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2490.841807][ T7704] addrconf_add_dev+0xe2/0x170 [ 2490.841807][ T7704] inet6_addr_add+0x12f/0xa40 [ 2490.841807][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2490.841807][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2490.841807][ T7704] netlink_rcv_skb+0x130/0x360 [ 2490.841807][ T7704] netlink_unicast+0x449/0x710 [ 2490.841807][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2490.841807][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2490.841807][ T7704] ___sys_sendmsg+0xee/0x170 [ 2490.841807][ T7704] __sys_sendmsg+0xcd/0x170 [ 2490.841807][ T7704] do_syscall_64+0xc6/0x1e0 [ 2490.841807][ T7704] [ 2490.844021][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2490.844021][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2490.844021][ T7704] ipv6_find_idev+0x102/0x170 [ 2490.844021][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2490.844021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2490.844021][ T7704] netlink_rcv_skb+0x130/0x360 [ 2490.844021][ T7704] netlink_unicast+0x449/0x710 [ 2490.844021][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2490.844021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2490.844021][ T7704] ___sys_sendmsg+0xee/0x170 [ 2490.844021][ T7704] __sys_sendmsg+0xcd/0x170 [ 2490.844021][ T7704] do_syscall_64+0xc6/0x1e0 [ 2490.844021][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2490.844021][ T7704] [ 2490.845732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2490.845732][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2490.845732][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2490.845732][ T7704] ipv6_find_idev+0x102/0x170 [ 2490.845732][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2490.845732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2490.845732][ T7704] netlink_rcv_skb+0x130/0x360 [ 2490.845732][ T7704] netlink_unicast+0x449/0x710 [ 2490.845732][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2490.845732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2490.845732][ T7704] ___sys_sendmsg+0xee/0x170 [ 2490.845732][ T7704] __sys_sendmsg+0xcd/0x170 [ 2490.845732][ T7704] do_syscall_64+0xc6/0x1e0 [ 2490.845732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2490.845732][ T7704] [ 2501.084823][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2501.085363][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2501.085363][ T7704] netdev_get_by_index+0x5e/0x80 [ 2501.085363][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2501.085363][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2501.085363][ T7704] ip6_route_add+0x1c/0x140 [ 2501.085363][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2501.085363][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2501.085363][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2501.085363][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.085363][ T7704] netlink_rcv_skb+0x130/0x360 [ 2501.085363][ T7704] netlink_unicast+0x449/0x710 [ 2501.085363][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2501.085363][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2501.085363][ T7704] ___sys_sendmsg+0xee/0x170 [ 2501.085363][ T7704] __sys_sendmsg+0xcd/0x170 [ 2501.085363][ T7704] do_syscall_64+0xc6/0x1e0 [ 2501.085363][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.085363][ T7704] [ 2501.087609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2501.087609][ T7704] netdev_get_by_index+0x5e/0x80 [ 2501.087609][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2501.087609][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2501.087609][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2501.087609][ T7704] ipv6_add_addr+0x411/0x2000 [ 2501.087609][ T7704] inet6_addr_add+0x30e/0xa40 [ 2501.087609][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2501.087609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.087609][ T7704] netlink_rcv_skb+0x130/0x360 [ 2501.087609][ T7704] netlink_unicast+0x449/0x710 [ 2501.087609][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2501.087609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2501.087609][ T7704] ___sys_sendmsg+0xee/0x170 [ 2501.087609][ T7704] __sys_sendmsg+0xcd/0x170 [ 2501.087609][ T7704] do_syscall_64+0xc6/0x1e0 [ 2501.087609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.087609][ T7704] [ 2501.089878][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2501.089878][ T7704] netdev_get_by_index+0x5e/0x80 [ 2501.089878][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2501.089878][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2501.089878][ T7704] ip6_route_add+0x1c/0x140 [ 2501.089878][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2501.089878][ T7704] addrconf_add_dev+0xe2/0x170 [ 2501.089878][ T7704] inet6_addr_add+0x12f/0xa40 [ 2501.089878][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2501.089878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.089878][ T7704] netlink_rcv_skb+0x130/0x360 [ 2501.089878][ T7704] netlink_unicast+0x449/0x710 [ 2501.089878][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2501.089878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2501.089878][ T7704] ___sys_sendmsg+0xee/0x170 [ 2501.089878][ T7704] __sys_sendmsg+0xcd/0x170 [ 2501.089878][ T7704] do_syscall_64+0xc6/0x1e0 [ 2501.089878][ T7704] [ 2501.092594][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2501.092594][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2501.092594][ T7704] ipv6_find_idev+0x102/0x170 [ 2501.092594][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2501.092594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.092594][ T7704] netlink_rcv_skb+0x130/0x360 [ 2501.092594][ T7704] netlink_unicast+0x449/0x710 [ 2501.092594][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2501.092594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2501.092594][ T7704] ___sys_sendmsg+0xee/0x170 [ 2501.092594][ T7704] __sys_sendmsg+0xcd/0x170 [ 2501.092594][ T7704] do_syscall_64+0xc6/0x1e0 [ 2501.092594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.092594][ T7704] [ 2501.094314][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2501.094314][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2501.094314][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2501.094314][ T7704] ipv6_find_idev+0x102/0x170 [ 2501.094314][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2501.094314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.094314][ T7704] netlink_rcv_skb+0x130/0x360 [ 2501.094314][ T7704] netlink_unicast+0x449/0x710 [ 2501.094314][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2501.094314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2501.094314][ T7704] ___sys_sendmsg+0xee/0x170 [ 2501.094314][ T7704] __sys_sendmsg+0xcd/0x170 [ 2501.094314][ T7704] do_syscall_64+0xc6/0x1e0 [ 2501.094314][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.094314][ T7704] [ 2511.332891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2511.333388][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2511.333388][ T7704] netdev_get_by_index+0x5e/0x80 [ 2511.333388][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2511.333388][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2511.333388][ T7704] ip6_route_add+0x1c/0x140 [ 2511.333388][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2511.333388][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2511.333388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2511.333388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2511.333388][ T7704] netlink_rcv_skb+0x130/0x360 [ 2511.333388][ T7704] netlink_unicast+0x449/0x710 [ 2511.333388][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2511.333388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2511.333388][ T7704] ___sys_sendmsg+0xee/0x170 [ 2511.333388][ T7704] __sys_sendmsg+0xcd/0x170 [ 2511.333388][ T7704] do_syscall_64+0xc6/0x1e0 [ 2511.333388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2511.333388][ T7704] [ 2511.336382][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2511.336382][ T7704] netdev_get_by_index+0x5e/0x80 [ 2511.336382][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2511.336382][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2511.336382][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2511.336382][ T7704] ipv6_add_addr+0x411/0x2000 [ 2511.336382][ T7704] inet6_addr_add+0x30e/0xa40 [ 2511.336382][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2511.336382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2511.336382][ T7704] netlink_rcv_skb+0x130/0x360 [ 2511.336382][ T7704] netlink_unicast+0x449/0x710 [ 2511.336382][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2511.336382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2511.336382][ T7704] ___sys_sendmsg+0xee/0x170 [ 2511.336382][ T7704] __sys_sendmsg+0xcd/0x170 [ 2511.336382][ T7704] do_syscall_64+0xc6/0x1e0 [ 2511.336382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2511.336382][ T7704] [ 2511.338793][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2511.338793][ T7704] netdev_get_by_index+0x5e/0x80 [ 2511.338793][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2511.338793][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2511.338793][ T7704] ip6_route_add+0x1c/0x140 [ 2511.338793][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2511.338793][ T7704] addrconf_add_dev+0xe2/0x170 [ 2511.338793][ T7704] inet6_addr_add+0x12f/0xa40 [ 2511.338793][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2511.338793][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2511.338793][ T7704] netlink_rcv_skb+0x130/0x360 [ 2511.338793][ T7704] netlink_unicast+0x449/0x710 [ 2511.338793][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2511.338793][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2511.338793][ T7704] ___sys_sendmsg+0xee/0x170 [ 2511.338793][ T7704] __sys_sendmsg+0xcd/0x170 [ 2511.338793][ T7704] do_syscall_64+0xc6/0x1e0 [ 2511.338793][ T7704] [ 2511.341153][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2511.341153][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2511.341153][ T7704] ipv6_find_idev+0x102/0x170 [ 2511.341153][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2511.341153][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2511.341153][ T7704] netlink_rcv_skb+0x130/0x360 [ 2511.341153][ T7704] netlink_unicast+0x449/0x710 [ 2511.341153][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2511.341153][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2511.341153][ T7704] ___sys_sendmsg+0xee/0x170 [ 2511.341153][ T7704] __sys_sendmsg+0xcd/0x170 [ 2511.341153][ T7704] do_syscall_64+0xc6/0x1e0 [ 2511.341153][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2511.341153][ T7704] [ 2511.343425][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2511.343425][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2511.343425][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2511.343425][ T7704] ipv6_find_idev+0x102/0x170 [ 2511.343425][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2511.343425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2511.343425][ T7704] netlink_rcv_skb+0x130/0x360 [ 2511.343425][ T7704] netlink_unicast+0x449/0x710 [ 2511.343425][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2511.343425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2511.343425][ T7704] ___sys_sendmsg+0xee/0x170 [ 2511.343425][ T7704] __sys_sendmsg+0xcd/0x170 [ 2511.343425][ T7704] do_syscall_64+0xc6/0x1e0 [ 2511.343425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2511.343425][ T7704] [ 2521.356839][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2521.357289][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2521.357289][ T7704] netdev_get_by_index+0x5e/0x80 [ 2521.357289][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2521.357289][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2521.357289][ T7704] ip6_route_add+0x1c/0x140 [ 2521.357289][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2521.357289][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2521.357289][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2521.357289][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2521.357289][ T7704] netlink_rcv_skb+0x130/0x360 [ 2521.357289][ T7704] netlink_unicast+0x449/0x710 [ 2521.357289][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2521.357289][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2521.357289][ T7704] ___sys_sendmsg+0xee/0x170 [ 2521.357289][ T7704] __sys_sendmsg+0xcd/0x170 [ 2521.357289][ T7704] do_syscall_64+0xc6/0x1e0 [ 2521.357289][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2521.357289][ T7704] [ 2521.359571][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2521.359571][ T7704] netdev_get_by_index+0x5e/0x80 [ 2521.359571][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2521.359571][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2521.359571][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2521.359571][ T7704] ipv6_add_addr+0x411/0x2000 [ 2521.359571][ T7704] inet6_addr_add+0x30e/0xa40 [ 2521.359571][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2521.359571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2521.359571][ T7704] netlink_rcv_skb+0x130/0x360 [ 2521.359571][ T7704] netlink_unicast+0x449/0x710 [ 2521.359571][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2521.359571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2521.359571][ T7704] ___sys_sendmsg+0xee/0x170 [ 2521.359571][ T7704] __sys_sendmsg+0xcd/0x170 [ 2521.359571][ T7704] do_syscall_64+0xc6/0x1e0 [ 2521.359571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2521.359571][ T7704] [ 2521.361782][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2521.361782][ T7704] netdev_get_by_index+0x5e/0x80 [ 2521.361782][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2521.361782][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2521.361782][ T7704] ip6_route_add+0x1c/0x140 [ 2521.361782][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2521.361782][ T7704] addrconf_add_dev+0xe2/0x170 [ 2521.361782][ T7704] inet6_addr_add+0x12f/0xa40 [ 2521.361782][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2521.361782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2521.361782][ T7704] netlink_rcv_skb+0x130/0x360 [ 2521.361782][ T7704] netlink_unicast+0x449/0x710 [ 2521.361782][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2521.361782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2521.361782][ T7704] ___sys_sendmsg+0xee/0x170 [ 2521.361782][ T7704] __sys_sendmsg+0xcd/0x170 [ 2521.361782][ T7704] do_syscall_64+0xc6/0x1e0 [ 2521.361782][ T7704] [ 2521.364012][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2521.364012][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2521.364012][ T7704] ipv6_find_idev+0x102/0x170 [ 2521.364012][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2521.364012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2521.364012][ T7704] netlink_rcv_skb+0x130/0x360 [ 2521.364012][ T7704] netlink_unicast+0x449/0x710 [ 2521.364012][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2521.364012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2521.364012][ T7704] ___sys_sendmsg+0xee/0x170 [ 2521.364012][ T7704] __sys_sendmsg+0xcd/0x170 [ 2521.364012][ T7704] do_syscall_64+0xc6/0x1e0 [ 2521.364012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2521.364012][ T7704] [ 2521.365751][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2521.365751][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2521.365751][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2521.365751][ T7704] ipv6_find_idev+0x102/0x170 [ 2521.365751][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2521.365751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2521.365751][ T7704] netlink_rcv_skb+0x130/0x360 [ 2521.365751][ T7704] netlink_unicast+0x449/0x710 [ 2521.365751][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2521.365751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2521.365751][ T7704] ___sys_sendmsg+0xee/0x170 [ 2521.365751][ T7704] __sys_sendmsg+0xcd/0x170 [ 2521.365751][ T7704] do_syscall_64+0xc6/0x1e0 [ 2521.365751][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2521.365751][ T7704] [ 2531.548778][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2531.549240][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2531.549240][ T7704] netdev_get_by_index+0x5e/0x80 [ 2531.549240][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2531.549240][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2531.549240][ T7704] ip6_route_add+0x1c/0x140 [ 2531.549240][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2531.549240][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2531.549240][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2531.549240][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2531.549240][ T7704] netlink_rcv_skb+0x130/0x360 [ 2531.549240][ T7704] netlink_unicast+0x449/0x710 [ 2531.549240][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2531.549240][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2531.549240][ T7704] ___sys_sendmsg+0xee/0x170 [ 2531.549240][ T7704] __sys_sendmsg+0xcd/0x170 [ 2531.549240][ T7704] do_syscall_64+0xc6/0x1e0 [ 2531.549240][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2531.549240][ T7704] [ 2531.551544][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2531.551544][ T7704] netdev_get_by_index+0x5e/0x80 [ 2531.551544][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2531.551544][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2531.551544][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2531.551544][ T7704] ipv6_add_addr+0x411/0x2000 [ 2531.551544][ T7704] inet6_addr_add+0x30e/0xa40 [ 2531.551544][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2531.551544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2531.551544][ T7704] netlink_rcv_skb+0x130/0x360 [ 2531.551544][ T7704] netlink_unicast+0x449/0x710 [ 2531.551544][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2531.551544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2531.551544][ T7704] ___sys_sendmsg+0xee/0x170 [ 2531.551544][ T7704] __sys_sendmsg+0xcd/0x170 [ 2531.551544][ T7704] do_syscall_64+0xc6/0x1e0 [ 2531.551544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2531.551544][ T7704] [ 2531.553828][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2531.553828][ T7704] netdev_get_by_index+0x5e/0x80 [ 2531.553828][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2531.553828][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2531.553828][ T7704] ip6_route_add+0x1c/0x140 [ 2531.553828][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2531.553828][ T7704] addrconf_add_dev+0xe2/0x170 [ 2531.553828][ T7704] inet6_addr_add+0x12f/0xa40 [ 2531.553828][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2531.553828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2531.553828][ T7704] netlink_rcv_skb+0x130/0x360 [ 2531.553828][ T7704] netlink_unicast+0x449/0x710 [ 2531.553828][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2531.553828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2531.553828][ T7704] ___sys_sendmsg+0xee/0x170 [ 2531.553828][ T7704] __sys_sendmsg+0xcd/0x170 [ 2531.553828][ T7704] do_syscall_64+0xc6/0x1e0 [ 2531.553828][ T7704] [ 2531.556156][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2531.556156][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2531.556156][ T7704] ipv6_find_idev+0x102/0x170 [ 2531.556156][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2531.556156][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2531.556156][ T7704] netlink_rcv_skb+0x130/0x360 [ 2531.556156][ T7704] netlink_unicast+0x449/0x710 [ 2531.556156][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2531.556156][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2531.556156][ T7704] ___sys_sendmsg+0xee/0x170 [ 2531.556156][ T7704] __sys_sendmsg+0xcd/0x170 [ 2531.556156][ T7704] do_syscall_64+0xc6/0x1e0 [ 2531.556156][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2531.556156][ T7704] [ 2531.557971][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2531.557971][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2531.557971][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2531.557971][ T7704] ipv6_find_idev+0x102/0x170 [ 2531.557971][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2531.557971][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2531.557971][ T7704] netlink_rcv_skb+0x130/0x360 [ 2531.557971][ T7704] netlink_unicast+0x449/0x710 [ 2531.557971][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2531.557971][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2531.557971][ T7704] ___sys_sendmsg+0xee/0x170 [ 2531.557971][ T7704] __sys_sendmsg+0xcd/0x170 [ 2531.557971][ T7704] do_syscall_64+0xc6/0x1e0 [ 2531.557971][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2531.557971][ T7704] [ 2541.796866][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2541.797422][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2541.797422][ T7704] netdev_get_by_index+0x5e/0x80 [ 2541.797422][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2541.797422][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2541.797422][ T7704] ip6_route_add+0x1c/0x140 [ 2541.797422][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2541.797422][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2541.797422][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2541.797422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.797422][ T7704] netlink_rcv_skb+0x130/0x360 [ 2541.797422][ T7704] netlink_unicast+0x449/0x710 [ 2541.797422][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2541.797422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2541.797422][ T7704] ___sys_sendmsg+0xee/0x170 [ 2541.797422][ T7704] __sys_sendmsg+0xcd/0x170 [ 2541.797422][ T7704] do_syscall_64+0xc6/0x1e0 [ 2541.797422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.797422][ T7704] [ 2541.799685][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2541.799685][ T7704] netdev_get_by_index+0x5e/0x80 [ 2541.799685][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2541.799685][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2541.799685][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2541.799685][ T7704] ipv6_add_addr+0x411/0x2000 [ 2541.799685][ T7704] inet6_addr_add+0x30e/0xa40 [ 2541.799685][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2541.799685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.799685][ T7704] netlink_rcv_skb+0x130/0x360 [ 2541.799685][ T7704] netlink_unicast+0x449/0x710 [ 2541.799685][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2541.799685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2541.799685][ T7704] ___sys_sendmsg+0xee/0x170 [ 2541.799685][ T7704] __sys_sendmsg+0xcd/0x170 [ 2541.799685][ T7704] do_syscall_64+0xc6/0x1e0 [ 2541.799685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.799685][ T7704] [ 2541.801906][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2541.801906][ T7704] netdev_get_by_index+0x5e/0x80 [ 2541.801906][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2541.801906][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2541.801906][ T7704] ip6_route_add+0x1c/0x140 [ 2541.801906][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2541.801906][ T7704] addrconf_add_dev+0xe2/0x170 [ 2541.801906][ T7704] inet6_addr_add+0x12f/0xa40 [ 2541.801906][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2541.801906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.801906][ T7704] netlink_rcv_skb+0x130/0x360 [ 2541.801906][ T7704] netlink_unicast+0x449/0x710 [ 2541.801906][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2541.801906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2541.801906][ T7704] ___sys_sendmsg+0xee/0x170 [ 2541.801906][ T7704] __sys_sendmsg+0xcd/0x170 [ 2541.801906][ T7704] do_syscall_64+0xc6/0x1e0 [ 2541.801906][ T7704] [ 2541.804076][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2541.804076][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2541.804076][ T7704] ipv6_find_idev+0x102/0x170 [ 2541.804076][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2541.804076][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.804076][ T7704] netlink_rcv_skb+0x130/0x360 [ 2541.804076][ T7704] netlink_unicast+0x449/0x710 [ 2541.804076][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2541.804076][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2541.804076][ T7704] ___sys_sendmsg+0xee/0x170 [ 2541.804076][ T7704] __sys_sendmsg+0xcd/0x170 [ 2541.804076][ T7704] do_syscall_64+0xc6/0x1e0 [ 2541.804076][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.804076][ T7704] [ 2541.805774][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2541.805774][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2541.805774][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2541.805774][ T7704] ipv6_find_idev+0x102/0x170 [ 2541.805774][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2541.805774][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.805774][ T7704] netlink_rcv_skb+0x130/0x360 [ 2541.805774][ T7704] netlink_unicast+0x449/0x710 [ 2541.805774][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2541.805774][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2541.805774][ T7704] ___sys_sendmsg+0xee/0x170 [ 2541.805774][ T7704] __sys_sendmsg+0xcd/0x170 [ 2541.805774][ T7704] do_syscall_64+0xc6/0x1e0 [ 2541.805774][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.805774][ T7704] [ 2552.332907][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2552.333408][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2552.333408][ T7704] netdev_get_by_index+0x5e/0x80 [ 2552.333408][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2552.333408][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2552.333408][ T7704] ip6_route_add+0x1c/0x140 [ 2552.333408][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2552.333408][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2552.333408][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2552.333408][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2552.333408][ T7704] netlink_rcv_skb+0x130/0x360 [ 2552.333408][ T7704] netlink_unicast+0x449/0x710 [ 2552.333408][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2552.333408][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2552.333408][ T7704] ___sys_sendmsg+0xee/0x170 [ 2552.333408][ T7704] __sys_sendmsg+0xcd/0x170 [ 2552.333408][ T7704] do_syscall_64+0xc6/0x1e0 [ 2552.333408][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2552.333408][ T7704] [ 2552.335875][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2552.335875][ T7704] netdev_get_by_index+0x5e/0x80 [ 2552.335875][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2552.335875][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2552.335875][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2552.335875][ T7704] ipv6_add_addr+0x411/0x2000 [ 2552.335875][ T7704] inet6_addr_add+0x30e/0xa40 [ 2552.335875][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2552.335875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2552.335875][ T7704] netlink_rcv_skb+0x130/0x360 [ 2552.335875][ T7704] netlink_unicast+0x449/0x710 [ 2552.335875][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2552.335875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2552.335875][ T7704] ___sys_sendmsg+0xee/0x170 [ 2552.335875][ T7704] __sys_sendmsg+0xcd/0x170 [ 2552.335875][ T7704] do_syscall_64+0xc6/0x1e0 [ 2552.335875][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2552.335875][ T7704] [ 2552.338310][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2552.338310][ T7704] netdev_get_by_index+0x5e/0x80 [ 2552.338310][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2552.338310][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2552.338310][ T7704] ip6_route_add+0x1c/0x140 [ 2552.338310][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2552.338310][ T7704] addrconf_add_dev+0xe2/0x170 [ 2552.338310][ T7704] inet6_addr_add+0x12f/0xa40 [ 2552.338310][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2552.338310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2552.338310][ T7704] netlink_rcv_skb+0x130/0x360 [ 2552.338310][ T7704] netlink_unicast+0x449/0x710 [ 2552.338310][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2552.338310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2552.338310][ T7704] ___sys_sendmsg+0xee/0x170 [ 2552.338310][ T7704] __sys_sendmsg+0xcd/0x170 [ 2552.338310][ T7704] do_syscall_64+0xc6/0x1e0 [ 2552.338310][ T7704] [ 2552.340656][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2552.340656][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2552.340656][ T7704] ipv6_find_idev+0x102/0x170 [ 2552.340656][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2552.340656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2552.340656][ T7704] netlink_rcv_skb+0x130/0x360 [ 2552.340656][ T7704] netlink_unicast+0x449/0x710 [ 2552.340656][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2552.340656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2552.340656][ T7704] ___sys_sendmsg+0xee/0x170 [ 2552.340656][ T7704] __sys_sendmsg+0xcd/0x170 [ 2552.340656][ T7704] do_syscall_64+0xc6/0x1e0 [ 2552.340656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2552.340656][ T7704] [ 2552.342489][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2552.342489][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2552.342489][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2552.342489][ T7704] ipv6_find_idev+0x102/0x170 [ 2552.342489][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2552.342489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2552.342489][ T7704] netlink_rcv_skb+0x130/0x360 [ 2552.342489][ T7704] netlink_unicast+0x449/0x710 [ 2552.342489][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2552.342489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2552.342489][ T7704] ___sys_sendmsg+0xee/0x170 [ 2552.342489][ T7704] __sys_sendmsg+0xcd/0x170 [ 2552.342489][ T7704] do_syscall_64+0xc6/0x1e0 [ 2552.342489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2552.342489][ T7704] [ 2562.476844][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2562.477331][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2562.477331][ T7704] netdev_get_by_index+0x5e/0x80 [ 2562.477331][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2562.477331][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2562.477331][ T7704] ip6_route_add+0x1c/0x140 [ 2562.477331][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2562.477331][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2562.477331][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2562.477331][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2562.477331][ T7704] netlink_rcv_skb+0x130/0x360 [ 2562.477331][ T7704] netlink_unicast+0x449/0x710 [ 2562.477331][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2562.477331][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2562.477331][ T7704] ___sys_sendmsg+0xee/0x170 [ 2562.477331][ T7704] __sys_sendmsg+0xcd/0x170 [ 2562.477331][ T7704] do_syscall_64+0xc6/0x1e0 [ 2562.477331][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2562.477331][ T7704] [ 2562.479781][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2562.479781][ T7704] netdev_get_by_index+0x5e/0x80 [ 2562.479781][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2562.479781][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2562.479781][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2562.479781][ T7704] ipv6_add_addr+0x411/0x2000 [ 2562.479781][ T7704] inet6_addr_add+0x30e/0xa40 [ 2562.479781][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2562.479781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2562.479781][ T7704] netlink_rcv_skb+0x130/0x360 [ 2562.479781][ T7704] netlink_unicast+0x449/0x710 [ 2562.479781][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2562.479781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2562.479781][ T7704] ___sys_sendmsg+0xee/0x170 [ 2562.479781][ T7704] __sys_sendmsg+0xcd/0x170 [ 2562.479781][ T7704] do_syscall_64+0xc6/0x1e0 [ 2562.479781][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2562.479781][ T7704] [ 2562.482193][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2562.482193][ T7704] netdev_get_by_index+0x5e/0x80 [ 2562.482193][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2562.482193][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2562.482193][ T7704] ip6_route_add+0x1c/0x140 [ 2562.482193][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2562.482193][ T7704] addrconf_add_dev+0xe2/0x170 [ 2562.482193][ T7704] inet6_addr_add+0x12f/0xa40 [ 2562.482193][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2562.482193][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2562.482193][ T7704] netlink_rcv_skb+0x130/0x360 [ 2562.482193][ T7704] netlink_unicast+0x449/0x710 [ 2562.482193][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2562.482193][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2562.482193][ T7704] ___sys_sendmsg+0xee/0x170 [ 2562.482193][ T7704] __sys_sendmsg+0xcd/0x170 [ 2562.482193][ T7704] do_syscall_64+0xc6/0x1e0 [ 2562.482193][ T7704] [ 2562.484578][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2562.484578][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2562.484578][ T7704] ipv6_find_idev+0x102/0x170 [ 2562.484578][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2562.484578][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2562.484578][ T7704] netlink_rcv_skb+0x130/0x360 [ 2562.484578][ T7704] netlink_unicast+0x449/0x710 [ 2562.484578][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2562.484578][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2562.484578][ T7704] ___sys_sendmsg+0xee/0x170 [ 2562.484578][ T7704] __sys_sendmsg+0xcd/0x170 [ 2562.484578][ T7704] do_syscall_64+0xc6/0x1e0 [ 2562.484578][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2562.484578][ T7704] [ 2562.486429][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2562.486429][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2562.486429][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2562.486429][ T7704] ipv6_find_idev+0x102/0x170 [ 2562.486429][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2562.486429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2562.486429][ T7704] netlink_rcv_skb+0x130/0x360 [ 2562.486429][ T7704] netlink_unicast+0x449/0x710 [ 2562.486429][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2562.486429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2562.486429][ T7704] ___sys_sendmsg+0xee/0x170 [ 2562.486429][ T7704] __sys_sendmsg+0xcd/0x170 [ 2562.486429][ T7704] do_syscall_64+0xc6/0x1e0 [ 2562.486429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2562.486429][ T7704] [ 2572.724818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2572.725341][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2572.725341][ T7704] netdev_get_by_index+0x5e/0x80 [ 2572.725341][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2572.725341][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2572.725341][ T7704] ip6_route_add+0x1c/0x140 [ 2572.725341][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2572.725341][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2572.725341][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2572.725341][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2572.725341][ T7704] netlink_rcv_skb+0x130/0x360 [ 2572.725341][ T7704] netlink_unicast+0x449/0x710 [ 2572.725341][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2572.725341][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2572.725341][ T7704] ___sys_sendmsg+0xee/0x170 [ 2572.725341][ T7704] __sys_sendmsg+0xcd/0x170 [ 2572.725341][ T7704] do_syscall_64+0xc6/0x1e0 [ 2572.725341][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2572.725341][ T7704] [ 2572.727596][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2572.727596][ T7704] netdev_get_by_index+0x5e/0x80 [ 2572.727596][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2572.727596][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2572.727596][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2572.727596][ T7704] ipv6_add_addr+0x411/0x2000 [ 2572.727596][ T7704] inet6_addr_add+0x30e/0xa40 [ 2572.727596][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2572.727596][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2572.727596][ T7704] netlink_rcv_skb+0x130/0x360 [ 2572.727596][ T7704] netlink_unicast+0x449/0x710 [ 2572.727596][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2572.727596][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2572.727596][ T7704] ___sys_sendmsg+0xee/0x170 [ 2572.727596][ T7704] __sys_sendmsg+0xcd/0x170 [ 2572.727596][ T7704] do_syscall_64+0xc6/0x1e0 [ 2572.727596][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2572.727596][ T7704] [ 2572.729818][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2572.729818][ T7704] netdev_get_by_index+0x5e/0x80 [ 2572.729818][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2572.729818][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2572.729818][ T7704] ip6_route_add+0x1c/0x140 [ 2572.729818][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2572.729818][ T7704] addrconf_add_dev+0xe2/0x170 [ 2572.729818][ T7704] inet6_addr_add+0x12f/0xa40 [ 2572.729818][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2572.729818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2572.729818][ T7704] netlink_rcv_skb+0x130/0x360 [ 2572.729818][ T7704] netlink_unicast+0x449/0x710 [ 2572.729818][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2572.729818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2572.729818][ T7704] ___sys_sendmsg+0xee/0x170 [ 2572.729818][ T7704] __sys_sendmsg+0xcd/0x170 [ 2572.729818][ T7704] do_syscall_64+0xc6/0x1e0 [ 2572.729818][ T7704] [ 2572.731990][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2572.731990][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2572.731990][ T7704] ipv6_find_idev+0x102/0x170 [ 2572.731990][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2572.731990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2572.731990][ T7704] netlink_rcv_skb+0x130/0x360 [ 2572.731990][ T7704] netlink_unicast+0x449/0x710 [ 2572.731990][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2572.731990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2572.731990][ T7704] ___sys_sendmsg+0xee/0x170 [ 2572.731990][ T7704] __sys_sendmsg+0xcd/0x170 [ 2572.731990][ T7704] do_syscall_64+0xc6/0x1e0 [ 2572.731990][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2572.731990][ T7704] [ 2572.733691][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2572.733691][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2572.733691][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2572.733691][ T7704] ipv6_find_idev+0x102/0x170 [ 2572.733691][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2572.733691][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2572.733691][ T7704] netlink_rcv_skb+0x130/0x360 [ 2572.733691][ T7704] netlink_unicast+0x449/0x710 [ 2572.733691][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2572.733691][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2572.733691][ T7704] ___sys_sendmsg+0xee/0x170 [ 2572.733691][ T7704] __sys_sendmsg+0xcd/0x170 [ 2572.733691][ T7704] do_syscall_64+0xc6/0x1e0 [ 2572.733691][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2572.733691][ T7704] [ 2582.972781][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2582.973328][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2582.973328][ T7704] netdev_get_by_index+0x5e/0x80 [ 2582.973328][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2582.973328][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2582.973328][ T7704] ip6_route_add+0x1c/0x140 [ 2582.973328][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2582.973328][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2582.973328][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2582.973328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.973328][ T7704] netlink_rcv_skb+0x130/0x360 [ 2582.973328][ T7704] netlink_unicast+0x449/0x710 [ 2582.973328][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2582.973328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2582.973328][ T7704] ___sys_sendmsg+0xee/0x170 [ 2582.973328][ T7704] __sys_sendmsg+0xcd/0x170 [ 2582.973328][ T7704] do_syscall_64+0xc6/0x1e0 [ 2582.973328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.973328][ T7704] [ 2582.975602][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2582.975602][ T7704] netdev_get_by_index+0x5e/0x80 [ 2582.975602][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2582.975602][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2582.975602][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2582.975602][ T7704] ipv6_add_addr+0x411/0x2000 [ 2582.975602][ T7704] inet6_addr_add+0x30e/0xa40 [ 2582.975602][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2582.975602][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.975602][ T7704] netlink_rcv_skb+0x130/0x360 [ 2582.975602][ T7704] netlink_unicast+0x449/0x710 [ 2582.975602][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2582.975602][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2582.975602][ T7704] ___sys_sendmsg+0xee/0x170 [ 2582.975602][ T7704] __sys_sendmsg+0xcd/0x170 [ 2582.975602][ T7704] do_syscall_64+0xc6/0x1e0 [ 2582.975602][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.975602][ T7704] [ 2582.977846][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2582.977846][ T7704] netdev_get_by_index+0x5e/0x80 [ 2582.977846][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2582.977846][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2582.977846][ T7704] ip6_route_add+0x1c/0x140 [ 2582.977846][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2582.977846][ T7704] addrconf_add_dev+0xe2/0x170 [ 2582.977846][ T7704] inet6_addr_add+0x12f/0xa40 [ 2582.977846][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2582.977846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.977846][ T7704] netlink_rcv_skb+0x130/0x360 [ 2582.977846][ T7704] netlink_unicast+0x449/0x710 [ 2582.977846][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2582.977846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2582.977846][ T7704] ___sys_sendmsg+0xee/0x170 [ 2582.977846][ T7704] __sys_sendmsg+0xcd/0x170 [ 2582.977846][ T7704] do_syscall_64+0xc6/0x1e0 [ 2582.977846][ T7704] [ 2582.980043][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2582.980043][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2582.980043][ T7704] ipv6_find_idev+0x102/0x170 [ 2582.980043][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2582.980043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.980043][ T7704] netlink_rcv_skb+0x130/0x360 [ 2582.980043][ T7704] netlink_unicast+0x449/0x710 [ 2582.980043][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2582.980043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2582.980043][ T7704] ___sys_sendmsg+0xee/0x170 [ 2582.980043][ T7704] __sys_sendmsg+0xcd/0x170 [ 2582.980043][ T7704] do_syscall_64+0xc6/0x1e0 [ 2582.980043][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.980043][ T7704] [ 2582.981756][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2582.981756][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2582.981756][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2582.981756][ T7704] ipv6_find_idev+0x102/0x170 [ 2582.981756][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2582.981756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.981756][ T7704] netlink_rcv_skb+0x130/0x360 [ 2582.981756][ T7704] netlink_unicast+0x449/0x710 [ 2582.981756][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2582.981756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2582.981756][ T7704] ___sys_sendmsg+0xee/0x170 [ 2582.981756][ T7704] __sys_sendmsg+0xcd/0x170 [ 2582.981756][ T7704] do_syscall_64+0xc6/0x1e0 [ 2582.981756][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.981756][ T7704] [ 2593.140859][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2593.141406][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2593.141406][ T7704] netdev_get_by_index+0x5e/0x80 [ 2593.141406][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2593.141406][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2593.141406][ T7704] ip6_route_add+0x1c/0x140 [ 2593.141406][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2593.141406][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2593.141406][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2593.141406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2593.141406][ T7704] netlink_rcv_skb+0x130/0x360 [ 2593.141406][ T7704] netlink_unicast+0x449/0x710 [ 2593.141406][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2593.141406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2593.141406][ T7704] ___sys_sendmsg+0xee/0x170 [ 2593.141406][ T7704] __sys_sendmsg+0xcd/0x170 [ 2593.141406][ T7704] do_syscall_64+0xc6/0x1e0 [ 2593.141406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2593.141406][ T7704] [ 2593.143680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2593.143680][ T7704] netdev_get_by_index+0x5e/0x80 [ 2593.143680][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2593.143680][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2593.143680][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2593.143680][ T7704] ipv6_add_addr+0x411/0x2000 [ 2593.143680][ T7704] inet6_addr_add+0x30e/0xa40 [ 2593.143680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2593.143680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2593.143680][ T7704] netlink_rcv_skb+0x130/0x360 [ 2593.143680][ T7704] netlink_unicast+0x449/0x710 [ 2593.143680][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2593.143680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2593.143680][ T7704] ___sys_sendmsg+0xee/0x170 [ 2593.143680][ T7704] __sys_sendmsg+0xcd/0x170 [ 2593.143680][ T7704] do_syscall_64+0xc6/0x1e0 [ 2593.143680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2593.143680][ T7704] [ 2593.145918][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2593.145918][ T7704] netdev_get_by_index+0x5e/0x80 [ 2593.145918][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2593.145918][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2593.145918][ T7704] ip6_route_add+0x1c/0x140 [ 2593.145918][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2593.145918][ T7704] addrconf_add_dev+0xe2/0x170 [ 2593.145918][ T7704] inet6_addr_add+0x12f/0xa40 [ 2593.145918][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2593.145918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2593.145918][ T7704] netlink_rcv_skb+0x130/0x360 [ 2593.145918][ T7704] netlink_unicast+0x449/0x710 [ 2593.145918][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2593.145918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2593.145918][ T7704] ___sys_sendmsg+0xee/0x170 [ 2593.145918][ T7704] __sys_sendmsg+0xcd/0x170 [ 2593.145918][ T7704] do_syscall_64+0xc6/0x1e0 [ 2593.145918][ T7704] [ 2593.148138][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2593.148138][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2593.148138][ T7704] ipv6_find_idev+0x102/0x170 [ 2593.148138][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2593.148138][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2593.148138][ T7704] netlink_rcv_skb+0x130/0x360 [ 2593.148138][ T7704] netlink_unicast+0x449/0x710 [ 2593.148138][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2593.148138][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2593.148138][ T7704] ___sys_sendmsg+0xee/0x170 [ 2593.148138][ T7704] __sys_sendmsg+0xcd/0x170 [ 2593.148138][ T7704] do_syscall_64+0xc6/0x1e0 [ 2593.148138][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2593.148138][ T7704] [ 2593.149862][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2593.149862][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2593.149862][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2593.149862][ T7704] ipv6_find_idev+0x102/0x170 [ 2593.149862][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2593.149862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2593.149862][ T7704] netlink_rcv_skb+0x130/0x360 [ 2593.149862][ T7704] netlink_unicast+0x449/0x710 [ 2593.149862][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2593.149862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2593.149862][ T7704] ___sys_sendmsg+0xee/0x170 [ 2593.149862][ T7704] __sys_sendmsg+0xcd/0x170 [ 2593.149862][ T7704] do_syscall_64+0xc6/0x1e0 [ 2593.149862][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2593.149862][ T7704] [ 2603.388785][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2603.389327][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2603.389327][ T7704] netdev_get_by_index+0x5e/0x80 [ 2603.389327][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2603.389327][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2603.389327][ T7704] ip6_route_add+0x1c/0x140 [ 2603.389327][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2603.389327][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2603.389327][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2603.389327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2603.389327][ T7704] netlink_rcv_skb+0x130/0x360 [ 2603.389327][ T7704] netlink_unicast+0x449/0x710 [ 2603.389327][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2603.389327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2603.389327][ T7704] ___sys_sendmsg+0xee/0x170 [ 2603.389327][ T7704] __sys_sendmsg+0xcd/0x170 [ 2603.389327][ T7704] do_syscall_64+0xc6/0x1e0 [ 2603.389327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2603.389327][ T7704] [ 2603.391593][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2603.391593][ T7704] netdev_get_by_index+0x5e/0x80 [ 2603.391593][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2603.391593][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2603.391593][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2603.391593][ T7704] ipv6_add_addr+0x411/0x2000 [ 2603.391593][ T7704] inet6_addr_add+0x30e/0xa40 [ 2603.391593][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2603.391593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2603.391593][ T7704] netlink_rcv_skb+0x130/0x360 [ 2603.391593][ T7704] netlink_unicast+0x449/0x710 [ 2603.391593][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2603.391593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2603.391593][ T7704] ___sys_sendmsg+0xee/0x170 [ 2603.391593][ T7704] __sys_sendmsg+0xcd/0x170 [ 2603.391593][ T7704] do_syscall_64+0xc6/0x1e0 [ 2603.391593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2603.391593][ T7704] [ 2603.393832][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2603.393832][ T7704] netdev_get_by_index+0x5e/0x80 [ 2603.393832][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2603.393832][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2603.393832][ T7704] ip6_route_add+0x1c/0x140 [ 2603.393832][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2603.393832][ T7704] addrconf_add_dev+0xe2/0x170 [ 2603.393832][ T7704] inet6_addr_add+0x12f/0xa40 [ 2603.393832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2603.393832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2603.393832][ T7704] netlink_rcv_skb+0x130/0x360 [ 2603.393832][ T7704] netlink_unicast+0x449/0x710 [ 2603.393832][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2603.393832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2603.393832][ T7704] ___sys_sendmsg+0xee/0x170 [ 2603.393832][ T7704] __sys_sendmsg+0xcd/0x170 [ 2603.393832][ T7704] do_syscall_64+0xc6/0x1e0 [ 2603.393832][ T7704] [ 2603.396040][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2603.396040][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2603.396040][ T7704] ipv6_find_idev+0x102/0x170 [ 2603.396040][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2603.396040][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2603.396040][ T7704] netlink_rcv_skb+0x130/0x360 [ 2603.396040][ T7704] netlink_unicast+0x449/0x710 [ 2603.396040][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2603.396040][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2603.396040][ T7704] ___sys_sendmsg+0xee/0x170 [ 2603.396040][ T7704] __sys_sendmsg+0xcd/0x170 [ 2603.396040][ T7704] do_syscall_64+0xc6/0x1e0 [ 2603.396040][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2603.396040][ T7704] [ 2603.397760][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2603.397760][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2603.397760][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2603.397760][ T7704] ipv6_find_idev+0x102/0x170 [ 2603.397760][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2603.397760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2603.397760][ T7704] netlink_rcv_skb+0x130/0x360 [ 2603.397760][ T7704] netlink_unicast+0x449/0x710 [ 2603.397760][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2603.397760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2603.397760][ T7704] ___sys_sendmsg+0xee/0x170 [ 2603.397760][ T7704] __sys_sendmsg+0xcd/0x170 [ 2603.397760][ T7704] do_syscall_64+0xc6/0x1e0 [ 2603.397760][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2603.397760][ T7704] [ 2613.636802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2613.637290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2613.637290][ T7704] netdev_get_by_index+0x5e/0x80 [ 2613.637290][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2613.637290][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2613.637290][ T7704] ip6_route_add+0x1c/0x140 [ 2613.637290][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2613.637290][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2613.637290][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2613.637290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2613.637290][ T7704] netlink_rcv_skb+0x130/0x360 [ 2613.637290][ T7704] netlink_unicast+0x449/0x710 [ 2613.637290][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2613.637290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2613.637290][ T7704] ___sys_sendmsg+0xee/0x170 [ 2613.637290][ T7704] __sys_sendmsg+0xcd/0x170 [ 2613.637290][ T7704] do_syscall_64+0xc6/0x1e0 [ 2613.637290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2613.637290][ T7704] [ 2613.639569][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2613.639569][ T7704] netdev_get_by_index+0x5e/0x80 [ 2613.639569][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2613.639569][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2613.639569][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2613.639569][ T7704] ipv6_add_addr+0x411/0x2000 [ 2613.639569][ T7704] inet6_addr_add+0x30e/0xa40 [ 2613.639569][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2613.639569][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2613.639569][ T7704] netlink_rcv_skb+0x130/0x360 [ 2613.639569][ T7704] netlink_unicast+0x449/0x710 [ 2613.639569][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2613.639569][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2613.639569][ T7704] ___sys_sendmsg+0xee/0x170 [ 2613.639569][ T7704] __sys_sendmsg+0xcd/0x170 [ 2613.639569][ T7704] do_syscall_64+0xc6/0x1e0 [ 2613.639569][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2613.639569][ T7704] [ 2613.641816][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2613.641816][ T7704] netdev_get_by_index+0x5e/0x80 [ 2613.641816][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2613.641816][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2613.641816][ T7704] ip6_route_add+0x1c/0x140 [ 2613.641816][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2613.641816][ T7704] addrconf_add_dev+0xe2/0x170 [ 2613.641816][ T7704] inet6_addr_add+0x12f/0xa40 [ 2613.641816][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2613.641816][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2613.641816][ T7704] netlink_rcv_skb+0x130/0x360 [ 2613.641816][ T7704] netlink_unicast+0x449/0x710 [ 2613.641816][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2613.641816][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2613.641816][ T7704] ___sys_sendmsg+0xee/0x170 [ 2613.641816][ T7704] __sys_sendmsg+0xcd/0x170 [ 2613.641816][ T7704] do_syscall_64+0xc6/0x1e0 [ 2613.641816][ T7704] [ 2613.644064][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2613.644064][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2613.644064][ T7704] ipv6_find_idev+0x102/0x170 [ 2613.644064][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2613.644064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2613.644064][ T7704] netlink_rcv_skb+0x130/0x360 [ 2613.644064][ T7704] netlink_unicast+0x449/0x710 [ 2613.644064][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2613.644064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2613.644064][ T7704] ___sys_sendmsg+0xee/0x170 [ 2613.644064][ T7704] __sys_sendmsg+0xcd/0x170 [ 2613.644064][ T7704] do_syscall_64+0xc6/0x1e0 [ 2613.644064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2613.644064][ T7704] [ 2613.645802][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2613.645802][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2613.645802][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2613.645802][ T7704] ipv6_find_idev+0x102/0x170 [ 2613.645802][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2613.645802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2613.645802][ T7704] netlink_rcv_skb+0x130/0x360 [ 2613.645802][ T7704] netlink_unicast+0x449/0x710 [ 2613.645802][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2613.645802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2613.645802][ T7704] ___sys_sendmsg+0xee/0x170 [ 2613.645802][ T7704] __sys_sendmsg+0xcd/0x170 [ 2613.645802][ T7704] do_syscall_64+0xc6/0x1e0 [ 2613.645802][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2613.645802][ T7704] [ 2623.884838][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2623.885325][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2623.885325][ T7704] netdev_get_by_index+0x5e/0x80 [ 2623.885325][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2623.885325][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2623.885325][ T7704] ip6_route_add+0x1c/0x140 [ 2623.885325][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2623.885325][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2623.885325][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2623.885325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.885325][ T7704] netlink_rcv_skb+0x130/0x360 [ 2623.885325][ T7704] netlink_unicast+0x449/0x710 [ 2623.885325][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2623.885325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2623.885325][ T7704] ___sys_sendmsg+0xee/0x170 [ 2623.885325][ T7704] __sys_sendmsg+0xcd/0x170 [ 2623.885325][ T7704] do_syscall_64+0xc6/0x1e0 [ 2623.885325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.885325][ T7704] [ 2623.887588][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2623.887588][ T7704] netdev_get_by_index+0x5e/0x80 [ 2623.887588][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2623.887588][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2623.887588][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2623.887588][ T7704] ipv6_add_addr+0x411/0x2000 [ 2623.887588][ T7704] inet6_addr_add+0x30e/0xa40 [ 2623.887588][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2623.887588][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.887588][ T7704] netlink_rcv_skb+0x130/0x360 [ 2623.887588][ T7704] netlink_unicast+0x449/0x710 [ 2623.887588][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2623.887588][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2623.887588][ T7704] ___sys_sendmsg+0xee/0x170 [ 2623.887588][ T7704] __sys_sendmsg+0xcd/0x170 [ 2623.887588][ T7704] do_syscall_64+0xc6/0x1e0 [ 2623.887588][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.887588][ T7704] [ 2623.889878][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2623.889878][ T7704] netdev_get_by_index+0x5e/0x80 [ 2623.889878][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2623.889878][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2623.889878][ T7704] ip6_route_add+0x1c/0x140 [ 2623.889878][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2623.889878][ T7704] addrconf_add_dev+0xe2/0x170 [ 2623.889878][ T7704] inet6_addr_add+0x12f/0xa40 [ 2623.889878][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2623.889878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.889878][ T7704] netlink_rcv_skb+0x130/0x360 [ 2623.889878][ T7704] netlink_unicast+0x449/0x710 [ 2623.889878][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2623.889878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2623.889878][ T7704] ___sys_sendmsg+0xee/0x170 [ 2623.889878][ T7704] __sys_sendmsg+0xcd/0x170 [ 2623.889878][ T7704] do_syscall_64+0xc6/0x1e0 [ 2623.889878][ T7704] [ 2623.892097][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2623.892097][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2623.892097][ T7704] ipv6_find_idev+0x102/0x170 [ 2623.892097][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2623.892097][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.892097][ T7704] netlink_rcv_skb+0x130/0x360 [ 2623.892097][ T7704] netlink_unicast+0x449/0x710 [ 2623.892097][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2623.892097][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2623.892097][ T7704] ___sys_sendmsg+0xee/0x170 [ 2623.892097][ T7704] __sys_sendmsg+0xcd/0x170 [ 2623.892097][ T7704] do_syscall_64+0xc6/0x1e0 [ 2623.892097][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.892097][ T7704] [ 2623.893812][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2623.893812][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2623.893812][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2623.893812][ T7704] ipv6_find_idev+0x102/0x170 [ 2623.893812][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2623.893812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.893812][ T7704] netlink_rcv_skb+0x130/0x360 [ 2623.893812][ T7704] netlink_unicast+0x449/0x710 [ 2623.893812][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2623.893812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2623.893812][ T7704] ___sys_sendmsg+0xee/0x170 [ 2623.893812][ T7704] __sys_sendmsg+0xcd/0x170 [ 2623.893812][ T7704] do_syscall_64+0xc6/0x1e0 [ 2623.893812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.893812][ T7704] [ 2634.132854][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2634.133391][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2634.133391][ T7704] netdev_get_by_index+0x5e/0x80 [ 2634.133391][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2634.133391][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2634.133391][ T7704] ip6_route_add+0x1c/0x140 [ 2634.133391][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2634.133391][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2634.133391][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2634.133391][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2634.133391][ T7704] netlink_rcv_skb+0x130/0x360 [ 2634.133391][ T7704] netlink_unicast+0x449/0x710 [ 2634.133391][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2634.133391][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2634.133391][ T7704] ___sys_sendmsg+0xee/0x170 [ 2634.133391][ T7704] __sys_sendmsg+0xcd/0x170 [ 2634.133391][ T7704] do_syscall_64+0xc6/0x1e0 [ 2634.133391][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2634.133391][ T7704] [ 2634.135687][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2634.135687][ T7704] netdev_get_by_index+0x5e/0x80 [ 2634.135687][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2634.135687][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2634.135687][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2634.135687][ T7704] ipv6_add_addr+0x411/0x2000 [ 2634.135687][ T7704] inet6_addr_add+0x30e/0xa40 [ 2634.135687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2634.135687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2634.135687][ T7704] netlink_rcv_skb+0x130/0x360 [ 2634.135687][ T7704] netlink_unicast+0x449/0x710 [ 2634.135687][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2634.135687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2634.135687][ T7704] ___sys_sendmsg+0xee/0x170 [ 2634.135687][ T7704] __sys_sendmsg+0xcd/0x170 [ 2634.135687][ T7704] do_syscall_64+0xc6/0x1e0 [ 2634.135687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2634.135687][ T7704] [ 2634.137953][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2634.137953][ T7704] netdev_get_by_index+0x5e/0x80 [ 2634.137953][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2634.137953][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2634.137953][ T7704] ip6_route_add+0x1c/0x140 [ 2634.137953][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2634.137953][ T7704] addrconf_add_dev+0xe2/0x170 [ 2634.137953][ T7704] inet6_addr_add+0x12f/0xa40 [ 2634.137953][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2634.137953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2634.137953][ T7704] netlink_rcv_skb+0x130/0x360 [ 2634.137953][ T7704] netlink_unicast+0x449/0x710 [ 2634.137953][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2634.137953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2634.137953][ T7704] ___sys_sendmsg+0xee/0x170 [ 2634.137953][ T7704] __sys_sendmsg+0xcd/0x170 [ 2634.137953][ T7704] do_syscall_64+0xc6/0x1e0 [ 2634.137953][ T7704] [ 2634.140161][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2634.140161][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2634.140161][ T7704] ipv6_find_idev+0x102/0x170 [ 2634.140161][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2634.140161][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2634.140161][ T7704] netlink_rcv_skb+0x130/0x360 [ 2634.140161][ T7704] netlink_unicast+0x449/0x710 [ 2634.140161][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2634.140161][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2634.140161][ T7704] ___sys_sendmsg+0xee/0x170 [ 2634.140161][ T7704] __sys_sendmsg+0xcd/0x170 [ 2634.140161][ T7704] do_syscall_64+0xc6/0x1e0 [ 2634.140161][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2634.140161][ T7704] [ 2634.141886][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2634.141886][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2634.141886][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2634.141886][ T7704] ipv6_find_idev+0x102/0x170 [ 2634.141886][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2634.141886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2634.141886][ T7704] netlink_rcv_skb+0x130/0x360 [ 2634.141886][ T7704] netlink_unicast+0x449/0x710 [ 2634.141886][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2634.141886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2634.141886][ T7704] ___sys_sendmsg+0xee/0x170 [ 2634.141886][ T7704] __sys_sendmsg+0xcd/0x170 [ 2634.141886][ T7704] do_syscall_64+0xc6/0x1e0 [ 2634.141886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2634.141886][ T7704] [ 2644.380806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2644.381344][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2644.381344][ T7704] netdev_get_by_index+0x5e/0x80 [ 2644.381344][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2644.381344][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2644.381344][ T7704] ip6_route_add+0x1c/0x140 [ 2644.381344][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2644.381344][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2644.381344][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2644.381344][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2644.381344][ T7704] netlink_rcv_skb+0x130/0x360 [ 2644.381344][ T7704] netlink_unicast+0x449/0x710 [ 2644.381344][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2644.381344][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2644.381344][ T7704] ___sys_sendmsg+0xee/0x170 [ 2644.381344][ T7704] __sys_sendmsg+0xcd/0x170 [ 2644.381344][ T7704] do_syscall_64+0xc6/0x1e0 [ 2644.381344][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2644.381344][ T7704] [ 2644.383625][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2644.383625][ T7704] netdev_get_by_index+0x5e/0x80 [ 2644.383625][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2644.383625][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2644.383625][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2644.383625][ T7704] ipv6_add_addr+0x411/0x2000 [ 2644.383625][ T7704] inet6_addr_add+0x30e/0xa40 [ 2644.383625][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2644.383625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2644.383625][ T7704] netlink_rcv_skb+0x130/0x360 [ 2644.383625][ T7704] netlink_unicast+0x449/0x710 [ 2644.383625][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2644.383625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2644.383625][ T7704] ___sys_sendmsg+0xee/0x170 [ 2644.383625][ T7704] __sys_sendmsg+0xcd/0x170 [ 2644.383625][ T7704] do_syscall_64+0xc6/0x1e0 [ 2644.383625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2644.383625][ T7704] [ 2644.385884][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2644.385884][ T7704] netdev_get_by_index+0x5e/0x80 [ 2644.385884][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2644.385884][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2644.385884][ T7704] ip6_route_add+0x1c/0x140 [ 2644.385884][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2644.385884][ T7704] addrconf_add_dev+0xe2/0x170 [ 2644.385884][ T7704] inet6_addr_add+0x12f/0xa40 [ 2644.385884][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2644.385884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2644.385884][ T7704] netlink_rcv_skb+0x130/0x360 [ 2644.385884][ T7704] netlink_unicast+0x449/0x710 [ 2644.385884][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2644.385884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2644.385884][ T7704] ___sys_sendmsg+0xee/0x170 [ 2644.385884][ T7704] __sys_sendmsg+0xcd/0x170 [ 2644.385884][ T7704] do_syscall_64+0xc6/0x1e0 [ 2644.385884][ T7704] [ 2644.388164][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2644.388164][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2644.388164][ T7704] ipv6_find_idev+0x102/0x170 [ 2644.388164][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2644.388164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2644.388164][ T7704] netlink_rcv_skb+0x130/0x360 [ 2644.388164][ T7704] netlink_unicast+0x449/0x710 [ 2644.388164][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2644.388164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2644.388164][ T7704] ___sys_sendmsg+0xee/0x170 [ 2644.388164][ T7704] __sys_sendmsg+0xcd/0x170 [ 2644.388164][ T7704] do_syscall_64+0xc6/0x1e0 [ 2644.388164][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2644.388164][ T7704] [ 2644.389915][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2644.389915][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2644.389915][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2644.389915][ T7704] ipv6_find_idev+0x102/0x170 [ 2644.389915][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2644.389915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2644.389915][ T7704] netlink_rcv_skb+0x130/0x360 [ 2644.389915][ T7704] netlink_unicast+0x449/0x710 [ 2644.389915][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2644.389915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2644.389915][ T7704] ___sys_sendmsg+0xee/0x170 [ 2644.389915][ T7704] __sys_sendmsg+0xcd/0x170 [ 2644.389915][ T7704] do_syscall_64+0xc6/0x1e0 [ 2644.389915][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2644.389915][ T7704] [ 2654.476836][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2654.477319][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2654.477319][ T7704] netdev_get_by_index+0x5e/0x80 [ 2654.477319][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2654.477319][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2654.477319][ T7704] ip6_route_add+0x1c/0x140 [ 2654.477319][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2654.477319][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2654.477319][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2654.477319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.477319][ T7704] netlink_rcv_skb+0x130/0x360 [ 2654.477319][ T7704] netlink_unicast+0x449/0x710 [ 2654.477319][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2654.477319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2654.477319][ T7704] ___sys_sendmsg+0xee/0x170 [ 2654.477319][ T7704] __sys_sendmsg+0xcd/0x170 [ 2654.477319][ T7704] do_syscall_64+0xc6/0x1e0 [ 2654.477319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.477319][ T7704] [ 2654.479594][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2654.479594][ T7704] netdev_get_by_index+0x5e/0x80 [ 2654.479594][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2654.479594][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2654.479594][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2654.479594][ T7704] ipv6_add_addr+0x411/0x2000 [ 2654.479594][ T7704] inet6_addr_add+0x30e/0xa40 [ 2654.479594][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2654.479594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.479594][ T7704] netlink_rcv_skb+0x130/0x360 [ 2654.479594][ T7704] netlink_unicast+0x449/0x710 [ 2654.479594][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2654.479594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2654.479594][ T7704] ___sys_sendmsg+0xee/0x170 [ 2654.479594][ T7704] __sys_sendmsg+0xcd/0x170 [ 2654.479594][ T7704] do_syscall_64+0xc6/0x1e0 [ 2654.479594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.479594][ T7704] [ 2654.481841][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2654.481841][ T7704] netdev_get_by_index+0x5e/0x80 [ 2654.481841][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2654.481841][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2654.481841][ T7704] ip6_route_add+0x1c/0x140 [ 2654.481841][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2654.481841][ T7704] addrconf_add_dev+0xe2/0x170 [ 2654.481841][ T7704] inet6_addr_add+0x12f/0xa40 [ 2654.481841][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2654.481841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.481841][ T7704] netlink_rcv_skb+0x130/0x360 [ 2654.481841][ T7704] netlink_unicast+0x449/0x710 [ 2654.481841][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2654.481841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2654.481841][ T7704] ___sys_sendmsg+0xee/0x170 [ 2654.481841][ T7704] __sys_sendmsg+0xcd/0x170 [ 2654.481841][ T7704] do_syscall_64+0xc6/0x1e0 [ 2654.481841][ T7704] [ 2654.484031][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2654.484031][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2654.484031][ T7704] ipv6_find_idev+0x102/0x170 [ 2654.484031][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2654.484031][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.484031][ T7704] netlink_rcv_skb+0x130/0x360 [ 2654.484031][ T7704] netlink_unicast+0x449/0x710 [ 2654.484031][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2654.484031][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2654.484031][ T7704] ___sys_sendmsg+0xee/0x170 [ 2654.484031][ T7704] __sys_sendmsg+0xcd/0x170 [ 2654.484031][ T7704] do_syscall_64+0xc6/0x1e0 [ 2654.484031][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.484031][ T7704] [ 2654.485755][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2654.485755][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2654.485755][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2654.485755][ T7704] ipv6_find_idev+0x102/0x170 [ 2654.485755][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2654.485755][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.485755][ T7704] netlink_rcv_skb+0x130/0x360 [ 2654.485755][ T7704] netlink_unicast+0x449/0x710 [ 2654.485755][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2654.485755][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2654.485755][ T7704] ___sys_sendmsg+0xee/0x170 [ 2654.485755][ T7704] __sys_sendmsg+0xcd/0x170 [ 2654.485755][ T7704] do_syscall_64+0xc6/0x1e0 [ 2654.485755][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.485755][ T7704] [ 2664.588825][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2664.589384][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2664.589384][ T7704] netdev_get_by_index+0x5e/0x80 [ 2664.589384][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2664.589384][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2664.589384][ T7704] ip6_route_add+0x1c/0x140 [ 2664.589384][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2664.589384][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2664.589384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2664.589384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.589384][ T7704] netlink_rcv_skb+0x130/0x360 [ 2664.589384][ T7704] netlink_unicast+0x449/0x710 [ 2664.589384][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2664.589384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2664.589384][ T7704] ___sys_sendmsg+0xee/0x170 [ 2664.589384][ T7704] __sys_sendmsg+0xcd/0x170 [ 2664.589384][ T7704] do_syscall_64+0xc6/0x1e0 [ 2664.589384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.589384][ T7704] [ 2664.591652][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2664.591652][ T7704] netdev_get_by_index+0x5e/0x80 [ 2664.591652][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2664.591652][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2664.591652][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2664.591652][ T7704] ipv6_add_addr+0x411/0x2000 [ 2664.591652][ T7704] inet6_addr_add+0x30e/0xa40 [ 2664.591652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2664.591652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.591652][ T7704] netlink_rcv_skb+0x130/0x360 [ 2664.591652][ T7704] netlink_unicast+0x449/0x710 [ 2664.591652][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2664.591652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2664.591652][ T7704] ___sys_sendmsg+0xee/0x170 [ 2664.591652][ T7704] __sys_sendmsg+0xcd/0x170 [ 2664.591652][ T7704] do_syscall_64+0xc6/0x1e0 [ 2664.591652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.591652][ T7704] [ 2664.594005][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2664.594005][ T7704] netdev_get_by_index+0x5e/0x80 [ 2664.594005][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2664.594005][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2664.594005][ T7704] ip6_route_add+0x1c/0x140 [ 2664.594005][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2664.594005][ T7704] addrconf_add_dev+0xe2/0x170 [ 2664.594005][ T7704] inet6_addr_add+0x12f/0xa40 [ 2664.594005][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2664.594005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.594005][ T7704] netlink_rcv_skb+0x130/0x360 [ 2664.594005][ T7704] netlink_unicast+0x449/0x710 [ 2664.594005][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2664.594005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2664.594005][ T7704] ___sys_sendmsg+0xee/0x170 [ 2664.594005][ T7704] __sys_sendmsg+0xcd/0x170 [ 2664.594005][ T7704] do_syscall_64+0xc6/0x1e0 [ 2664.594005][ T7704] [ 2664.596214][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2664.596214][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2664.596214][ T7704] ipv6_find_idev+0x102/0x170 [ 2664.596214][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2664.596214][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.596214][ T7704] netlink_rcv_skb+0x130/0x360 [ 2664.596214][ T7704] netlink_unicast+0x449/0x710 [ 2664.596214][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2664.596214][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2664.596214][ T7704] ___sys_sendmsg+0xee/0x170 [ 2664.596214][ T7704] __sys_sendmsg+0xcd/0x170 [ 2664.596214][ T7704] do_syscall_64+0xc6/0x1e0 [ 2664.596214][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.596214][ T7704] [ 2664.597951][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2664.597951][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2664.597951][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2664.597951][ T7704] ipv6_find_idev+0x102/0x170 [ 2664.597951][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2664.597951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.597951][ T7704] netlink_rcv_skb+0x130/0x360 [ 2664.597951][ T7704] netlink_unicast+0x449/0x710 [ 2664.597951][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2664.597951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2664.597951][ T7704] ___sys_sendmsg+0xee/0x170 [ 2664.597951][ T7704] __sys_sendmsg+0xcd/0x170 [ 2664.597951][ T7704] do_syscall_64+0xc6/0x1e0 [ 2664.597951][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.597951][ T7704] [ 2674.836805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2674.837346][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2674.837346][ T7704] netdev_get_by_index+0x5e/0x80 [ 2674.837346][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2674.837346][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2674.837346][ T7704] ip6_route_add+0x1c/0x140 [ 2674.837346][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2674.837346][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2674.837346][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2674.837346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.837346][ T7704] netlink_rcv_skb+0x130/0x360 [ 2674.837346][ T7704] netlink_unicast+0x449/0x710 [ 2674.837346][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2674.837346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2674.837346][ T7704] ___sys_sendmsg+0xee/0x170 [ 2674.837346][ T7704] __sys_sendmsg+0xcd/0x170 [ 2674.837346][ T7704] do_syscall_64+0xc6/0x1e0 [ 2674.837346][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.837346][ T7704] [ 2674.839618][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2674.839618][ T7704] netdev_get_by_index+0x5e/0x80 [ 2674.839618][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2674.839618][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2674.839618][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2674.839618][ T7704] ipv6_add_addr+0x411/0x2000 [ 2674.839618][ T7704] inet6_addr_add+0x30e/0xa40 [ 2674.839618][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2674.839618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.839618][ T7704] netlink_rcv_skb+0x130/0x360 [ 2674.839618][ T7704] netlink_unicast+0x449/0x710 [ 2674.839618][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2674.839618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2674.839618][ T7704] ___sys_sendmsg+0xee/0x170 [ 2674.839618][ T7704] __sys_sendmsg+0xcd/0x170 [ 2674.839618][ T7704] do_syscall_64+0xc6/0x1e0 [ 2674.839618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.839618][ T7704] [ 2674.841857][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2674.841857][ T7704] netdev_get_by_index+0x5e/0x80 [ 2674.841857][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2674.841857][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2674.841857][ T7704] ip6_route_add+0x1c/0x140 [ 2674.841857][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2674.841857][ T7704] addrconf_add_dev+0xe2/0x170 [ 2674.841857][ T7704] inet6_addr_add+0x12f/0xa40 [ 2674.841857][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2674.841857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.841857][ T7704] netlink_rcv_skb+0x130/0x360 [ 2674.841857][ T7704] netlink_unicast+0x449/0x710 [ 2674.841857][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2674.841857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2674.841857][ T7704] ___sys_sendmsg+0xee/0x170 [ 2674.841857][ T7704] __sys_sendmsg+0xcd/0x170 [ 2674.841857][ T7704] do_syscall_64+0xc6/0x1e0 [ 2674.841857][ T7704] [ 2674.844086][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2674.844086][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2674.844086][ T7704] ipv6_find_idev+0x102/0x170 [ 2674.844086][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2674.844086][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.844086][ T7704] netlink_rcv_skb+0x130/0x360 [ 2674.844086][ T7704] netlink_unicast+0x449/0x710 [ 2674.844086][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2674.844086][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2674.844086][ T7704] ___sys_sendmsg+0xee/0x170 [ 2674.844086][ T7704] __sys_sendmsg+0xcd/0x170 [ 2674.844086][ T7704] do_syscall_64+0xc6/0x1e0 [ 2674.844086][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.844086][ T7704] [ 2674.845899][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2674.845899][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2674.845899][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2674.845899][ T7704] ipv6_find_idev+0x102/0x170 [ 2674.845899][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2674.845899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.845899][ T7704] netlink_rcv_skb+0x130/0x360 [ 2674.845899][ T7704] netlink_unicast+0x449/0x710 [ 2674.845899][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2674.845899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2674.845899][ T7704] ___sys_sendmsg+0xee/0x170 [ 2674.845899][ T7704] __sys_sendmsg+0xcd/0x170 [ 2674.845899][ T7704] do_syscall_64+0xc6/0x1e0 [ 2674.845899][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.845899][ T7704] [ 2685.084932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2685.085477][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2685.085477][ T7704] netdev_get_by_index+0x5e/0x80 [ 2685.085477][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2685.085477][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2685.085477][ T7704] ip6_route_add+0x1c/0x140 [ 2685.085477][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2685.085477][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2685.085477][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2685.085477][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2685.085477][ T7704] netlink_rcv_skb+0x130/0x360 [ 2685.085477][ T7704] netlink_unicast+0x449/0x710 [ 2685.085477][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2685.085477][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2685.085477][ T7704] ___sys_sendmsg+0xee/0x170 [ 2685.085477][ T7704] __sys_sendmsg+0xcd/0x170 [ 2685.085477][ T7704] do_syscall_64+0xc6/0x1e0 [ 2685.085477][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2685.085477][ T7704] [ 2685.087747][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2685.087747][ T7704] netdev_get_by_index+0x5e/0x80 [ 2685.087747][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2685.087747][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2685.087747][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2685.087747][ T7704] ipv6_add_addr+0x411/0x2000 [ 2685.087747][ T7704] inet6_addr_add+0x30e/0xa40 [ 2685.087747][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2685.087747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2685.087747][ T7704] netlink_rcv_skb+0x130/0x360 [ 2685.087747][ T7704] netlink_unicast+0x449/0x710 [ 2685.087747][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2685.087747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2685.087747][ T7704] ___sys_sendmsg+0xee/0x170 [ 2685.087747][ T7704] __sys_sendmsg+0xcd/0x170 [ 2685.087747][ T7704] do_syscall_64+0xc6/0x1e0 [ 2685.087747][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2685.087747][ T7704] [ 2685.090000][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2685.090000][ T7704] netdev_get_by_index+0x5e/0x80 [ 2685.090000][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2685.090000][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2685.090000][ T7704] ip6_route_add+0x1c/0x140 [ 2685.090000][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2685.090000][ T7704] addrconf_add_dev+0xe2/0x170 [ 2685.090000][ T7704] inet6_addr_add+0x12f/0xa40 [ 2685.090000][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2685.090000][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2685.090000][ T7704] netlink_rcv_skb+0x130/0x360 [ 2685.090000][ T7704] netlink_unicast+0x449/0x710 [ 2685.090000][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2685.090000][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2685.090000][ T7704] ___sys_sendmsg+0xee/0x170 [ 2685.090000][ T7704] __sys_sendmsg+0xcd/0x170 [ 2685.090000][ T7704] do_syscall_64+0xc6/0x1e0 [ 2685.090000][ T7704] [ 2685.092207][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2685.092207][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2685.092207][ T7704] ipv6_find_idev+0x102/0x170 [ 2685.092207][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2685.092207][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2685.092207][ T7704] netlink_rcv_skb+0x130/0x360 [ 2685.092207][ T7704] netlink_unicast+0x449/0x710 [ 2685.092207][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2685.092207][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2685.092207][ T7704] ___sys_sendmsg+0xee/0x170 [ 2685.092207][ T7704] __sys_sendmsg+0xcd/0x170 [ 2685.092207][ T7704] do_syscall_64+0xc6/0x1e0 [ 2685.092207][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2685.092207][ T7704] [ 2685.093933][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2685.093933][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2685.093933][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2685.093933][ T7704] ipv6_find_idev+0x102/0x170 [ 2685.093933][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2685.093933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2685.093933][ T7704] netlink_rcv_skb+0x130/0x360 [ 2685.093933][ T7704] netlink_unicast+0x449/0x710 [ 2685.093933][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2685.093933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2685.093933][ T7704] ___sys_sendmsg+0xee/0x170 [ 2685.093933][ T7704] __sys_sendmsg+0xcd/0x170 [ 2685.093933][ T7704] do_syscall_64+0xc6/0x1e0 [ 2685.093933][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2685.093933][ T7704] [ 2695.332826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2695.333346][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2695.333346][ T7704] netdev_get_by_index+0x5e/0x80 [ 2695.333346][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2695.333346][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2695.333346][ T7704] ip6_route_add+0x1c/0x140 [ 2695.333346][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2695.333346][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2695.333346][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2695.333346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.333346][ T7704] netlink_rcv_skb+0x130/0x360 [ 2695.333346][ T7704] netlink_unicast+0x449/0x710 [ 2695.333346][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2695.333346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2695.333346][ T7704] ___sys_sendmsg+0xee/0x170 [ 2695.333346][ T7704] __sys_sendmsg+0xcd/0x170 [ 2695.333346][ T7704] do_syscall_64+0xc6/0x1e0 [ 2695.333346][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.333346][ T7704] [ 2695.335619][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2695.335619][ T7704] netdev_get_by_index+0x5e/0x80 [ 2695.335619][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2695.335619][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2695.335619][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2695.335619][ T7704] ipv6_add_addr+0x411/0x2000 [ 2695.335619][ T7704] inet6_addr_add+0x30e/0xa40 [ 2695.335619][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2695.335619][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.335619][ T7704] netlink_rcv_skb+0x130/0x360 [ 2695.335619][ T7704] netlink_unicast+0x449/0x710 [ 2695.335619][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2695.335619][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2695.335619][ T7704] ___sys_sendmsg+0xee/0x170 [ 2695.335619][ T7704] __sys_sendmsg+0xcd/0x170 [ 2695.335619][ T7704] do_syscall_64+0xc6/0x1e0 [ 2695.335619][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.335619][ T7704] [ 2695.337883][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2695.337883][ T7704] netdev_get_by_index+0x5e/0x80 [ 2695.337883][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2695.337883][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2695.337883][ T7704] ip6_route_add+0x1c/0x140 [ 2695.337883][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2695.337883][ T7704] addrconf_add_dev+0xe2/0x170 [ 2695.337883][ T7704] inet6_addr_add+0x12f/0xa40 [ 2695.337883][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2695.337883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.337883][ T7704] netlink_rcv_skb+0x130/0x360 [ 2695.337883][ T7704] netlink_unicast+0x449/0x710 [ 2695.337883][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2695.337883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2695.337883][ T7704] ___sys_sendmsg+0xee/0x170 [ 2695.337883][ T7704] __sys_sendmsg+0xcd/0x170 [ 2695.337883][ T7704] do_syscall_64+0xc6/0x1e0 [ 2695.337883][ T7704] [ 2695.340071][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2695.340071][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2695.340071][ T7704] ipv6_find_idev+0x102/0x170 [ 2695.340071][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2695.340071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.340071][ T7704] netlink_rcv_skb+0x130/0x360 [ 2695.340071][ T7704] netlink_unicast+0x449/0x710 [ 2695.340071][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2695.340071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2695.340071][ T7704] ___sys_sendmsg+0xee/0x170 [ 2695.340071][ T7704] __sys_sendmsg+0xcd/0x170 [ 2695.340071][ T7704] do_syscall_64+0xc6/0x1e0 [ 2695.340071][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.340071][ T7704] [ 2695.341766][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2695.341766][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2695.341766][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2695.341766][ T7704] ipv6_find_idev+0x102/0x170 [ 2695.341766][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2695.341766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.341766][ T7704] netlink_rcv_skb+0x130/0x360 [ 2695.341766][ T7704] netlink_unicast+0x449/0x710 [ 2695.341766][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2695.341766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2695.341766][ T7704] ___sys_sendmsg+0xee/0x170 [ 2695.341766][ T7704] __sys_sendmsg+0xcd/0x170 [ 2695.341766][ T7704] do_syscall_64+0xc6/0x1e0 [ 2695.341766][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.341766][ T7704] [ 2705.380763][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2705.381268][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2705.381268][ T7704] netdev_get_by_index+0x5e/0x80 [ 2705.381268][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2705.381268][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2705.381268][ T7704] ip6_route_add+0x1c/0x140 [ 2705.381268][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2705.381268][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2705.381268][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2705.381268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.381268][ T7704] netlink_rcv_skb+0x130/0x360 [ 2705.381268][ T7704] netlink_unicast+0x449/0x710 [ 2705.381268][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2705.381268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2705.381268][ T7704] ___sys_sendmsg+0xee/0x170 [ 2705.381268][ T7704] __sys_sendmsg+0xcd/0x170 [ 2705.381268][ T7704] do_syscall_64+0xc6/0x1e0 [ 2705.381268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.381268][ T7704] [ 2705.383712][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2705.383712][ T7704] netdev_get_by_index+0x5e/0x80 [ 2705.383712][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2705.383712][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2705.383712][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2705.383712][ T7704] ipv6_add_addr+0x411/0x2000 [ 2705.383712][ T7704] inet6_addr_add+0x30e/0xa40 [ 2705.383712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2705.383712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.383712][ T7704] netlink_rcv_skb+0x130/0x360 [ 2705.383712][ T7704] netlink_unicast+0x449/0x710 [ 2705.383712][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2705.383712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2705.383712][ T7704] ___sys_sendmsg+0xee/0x170 [ 2705.383712][ T7704] __sys_sendmsg+0xcd/0x170 [ 2705.383712][ T7704] do_syscall_64+0xc6/0x1e0 [ 2705.383712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.383712][ T7704] [ 2705.386142][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2705.386142][ T7704] netdev_get_by_index+0x5e/0x80 [ 2705.386142][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2705.386142][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2705.386142][ T7704] ip6_route_add+0x1c/0x140 [ 2705.386142][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2705.386142][ T7704] addrconf_add_dev+0xe2/0x170 [ 2705.386142][ T7704] inet6_addr_add+0x12f/0xa40 [ 2705.386142][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2705.386142][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.386142][ T7704] netlink_rcv_skb+0x130/0x360 [ 2705.386142][ T7704] netlink_unicast+0x449/0x710 [ 2705.386142][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2705.386142][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2705.386142][ T7704] ___sys_sendmsg+0xee/0x170 [ 2705.386142][ T7704] __sys_sendmsg+0xcd/0x170 [ 2705.386142][ T7704] do_syscall_64+0xc6/0x1e0 [ 2705.386142][ T7704] [ 2705.388519][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2705.388519][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2705.388519][ T7704] ipv6_find_idev+0x102/0x170 [ 2705.388519][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2705.388519][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.388519][ T7704] netlink_rcv_skb+0x130/0x360 [ 2705.388519][ T7704] netlink_unicast+0x449/0x710 [ 2705.388519][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2705.388519][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2705.388519][ T7704] ___sys_sendmsg+0xee/0x170 [ 2705.388519][ T7704] __sys_sendmsg+0xcd/0x170 [ 2705.388519][ T7704] do_syscall_64+0xc6/0x1e0 [ 2705.388519][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.388519][ T7704] [ 2705.390351][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2705.390351][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2705.390351][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2705.390351][ T7704] ipv6_find_idev+0x102/0x170 [ 2705.390351][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2705.390351][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.390351][ T7704] netlink_rcv_skb+0x130/0x360 [ 2705.390351][ T7704] netlink_unicast+0x449/0x710 [ 2705.390351][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2705.390351][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2705.390351][ T7704] ___sys_sendmsg+0xee/0x170 [ 2705.390351][ T7704] __sys_sendmsg+0xcd/0x170 [ 2705.390351][ T7704] do_syscall_64+0xc6/0x1e0 [ 2705.390351][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.390351][ T7704] [ 2715.628801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2715.629255][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2715.629255][ T7704] netdev_get_by_index+0x5e/0x80 [ 2715.629255][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2715.629255][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2715.629255][ T7704] ip6_route_add+0x1c/0x140 [ 2715.629255][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2715.629255][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2715.629255][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2715.629255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.629255][ T7704] netlink_rcv_skb+0x130/0x360 [ 2715.629255][ T7704] netlink_unicast+0x449/0x710 [ 2715.629255][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2715.629255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2715.629255][ T7704] ___sys_sendmsg+0xee/0x170 [ 2715.629255][ T7704] __sys_sendmsg+0xcd/0x170 [ 2715.629255][ T7704] do_syscall_64+0xc6/0x1e0 [ 2715.629255][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.629255][ T7704] [ 2715.631504][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2715.631504][ T7704] netdev_get_by_index+0x5e/0x80 [ 2715.631504][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2715.631504][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2715.631504][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2715.631504][ T7704] ipv6_add_addr+0x411/0x2000 [ 2715.631504][ T7704] inet6_addr_add+0x30e/0xa40 [ 2715.631504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2715.631504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.631504][ T7704] netlink_rcv_skb+0x130/0x360 [ 2715.631504][ T7704] netlink_unicast+0x449/0x710 [ 2715.631504][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2715.631504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2715.631504][ T7704] ___sys_sendmsg+0xee/0x170 [ 2715.631504][ T7704] __sys_sendmsg+0xcd/0x170 [ 2715.631504][ T7704] do_syscall_64+0xc6/0x1e0 [ 2715.631504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.631504][ T7704] [ 2715.633720][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2715.633720][ T7704] netdev_get_by_index+0x5e/0x80 [ 2715.633720][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2715.633720][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2715.633720][ T7704] ip6_route_add+0x1c/0x140 [ 2715.633720][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2715.633720][ T7704] addrconf_add_dev+0xe2/0x170 [ 2715.633720][ T7704] inet6_addr_add+0x12f/0xa40 [ 2715.633720][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2715.633720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.633720][ T7704] netlink_rcv_skb+0x130/0x360 [ 2715.633720][ T7704] netlink_unicast+0x449/0x710 [ 2715.633720][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2715.633720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2715.633720][ T7704] ___sys_sendmsg+0xee/0x170 [ 2715.633720][ T7704] __sys_sendmsg+0xcd/0x170 [ 2715.633720][ T7704] do_syscall_64+0xc6/0x1e0 [ 2715.633720][ T7704] [ 2715.635905][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2715.635905][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2715.635905][ T7704] ipv6_find_idev+0x102/0x170 [ 2715.635905][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2715.635905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.635905][ T7704] netlink_rcv_skb+0x130/0x360 [ 2715.635905][ T7704] netlink_unicast+0x449/0x710 [ 2715.635905][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2715.635905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2715.635905][ T7704] ___sys_sendmsg+0xee/0x170 [ 2715.635905][ T7704] __sys_sendmsg+0xcd/0x170 [ 2715.635905][ T7704] do_syscall_64+0xc6/0x1e0 [ 2715.635905][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.635905][ T7704] [ 2715.637631][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2715.637631][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2715.637631][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2715.637631][ T7704] ipv6_find_idev+0x102/0x170 [ 2715.637631][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2715.637631][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.637631][ T7704] netlink_rcv_skb+0x130/0x360 [ 2715.637631][ T7704] netlink_unicast+0x449/0x710 [ 2715.637631][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2715.637631][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2715.637631][ T7704] ___sys_sendmsg+0xee/0x170 [ 2715.637631][ T7704] __sys_sendmsg+0xcd/0x170 [ 2715.637631][ T7704] do_syscall_64+0xc6/0x1e0 [ 2715.637631][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.637631][ T7704] [ 2725.684862][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2725.685385][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2725.685385][ T7704] netdev_get_by_index+0x5e/0x80 [ 2725.685385][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2725.685385][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2725.685385][ T7704] ip6_route_add+0x1c/0x140 [ 2725.685385][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2725.685385][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2725.685385][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2725.685385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.685385][ T7704] netlink_rcv_skb+0x130/0x360 [ 2725.685385][ T7704] netlink_unicast+0x449/0x710 [ 2725.685385][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2725.685385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2725.685385][ T7704] ___sys_sendmsg+0xee/0x170 [ 2725.685385][ T7704] __sys_sendmsg+0xcd/0x170 [ 2725.685385][ T7704] do_syscall_64+0xc6/0x1e0 [ 2725.685385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.685385][ T7704] [ 2725.687632][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2725.687632][ T7704] netdev_get_by_index+0x5e/0x80 [ 2725.687632][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2725.687632][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2725.687632][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2725.687632][ T7704] ipv6_add_addr+0x411/0x2000 [ 2725.687632][ T7704] inet6_addr_add+0x30e/0xa40 [ 2725.687632][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2725.687632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.687632][ T7704] netlink_rcv_skb+0x130/0x360 [ 2725.687632][ T7704] netlink_unicast+0x449/0x710 [ 2725.687632][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2725.687632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2725.687632][ T7704] ___sys_sendmsg+0xee/0x170 [ 2725.687632][ T7704] __sys_sendmsg+0xcd/0x170 [ 2725.687632][ T7704] do_syscall_64+0xc6/0x1e0 [ 2725.687632][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.687632][ T7704] [ 2725.689839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2725.689839][ T7704] netdev_get_by_index+0x5e/0x80 [ 2725.689839][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2725.689839][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2725.689839][ T7704] ip6_route_add+0x1c/0x140 [ 2725.689839][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2725.689839][ T7704] addrconf_add_dev+0xe2/0x170 [ 2725.689839][ T7704] inet6_addr_add+0x12f/0xa40 [ 2725.689839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2725.689839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.689839][ T7704] netlink_rcv_skb+0x130/0x360 [ 2725.689839][ T7704] netlink_unicast+0x449/0x710 [ 2725.689839][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2725.689839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2725.689839][ T7704] ___sys_sendmsg+0xee/0x170 [ 2725.689839][ T7704] __sys_sendmsg+0xcd/0x170 [ 2725.689839][ T7704] do_syscall_64+0xc6/0x1e0 [ 2725.689839][ T7704] [ 2725.692094][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2725.692094][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2725.692094][ T7704] ipv6_find_idev+0x102/0x170 [ 2725.692094][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2725.692094][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.692094][ T7704] netlink_rcv_skb+0x130/0x360 [ 2725.692094][ T7704] netlink_unicast+0x449/0x710 [ 2725.692094][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2725.692094][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2725.692094][ T7704] ___sys_sendmsg+0xee/0x170 [ 2725.692094][ T7704] __sys_sendmsg+0xcd/0x170 [ 2725.692094][ T7704] do_syscall_64+0xc6/0x1e0 [ 2725.692094][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.692094][ T7704] [ 2725.693796][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2725.693796][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2725.693796][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2725.693796][ T7704] ipv6_find_idev+0x102/0x170 [ 2725.693796][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2725.693796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.693796][ T7704] netlink_rcv_skb+0x130/0x360 [ 2725.693796][ T7704] netlink_unicast+0x449/0x710 [ 2725.693796][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2725.693796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2725.693796][ T7704] ___sys_sendmsg+0xee/0x170 [ 2725.693796][ T7704] __sys_sendmsg+0xcd/0x170 [ 2725.693796][ T7704] do_syscall_64+0xc6/0x1e0 [ 2725.693796][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.693796][ T7704] [ 2735.932796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2735.933318][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2735.933318][ T7704] netdev_get_by_index+0x5e/0x80 [ 2735.933318][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2735.933318][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2735.933318][ T7704] ip6_route_add+0x1c/0x140 [ 2735.933318][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2735.933318][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2735.933318][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2735.933318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2735.933318][ T7704] netlink_rcv_skb+0x130/0x360 [ 2735.933318][ T7704] netlink_unicast+0x449/0x710 [ 2735.933318][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2735.933318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2735.933318][ T7704] ___sys_sendmsg+0xee/0x170 [ 2735.933318][ T7704] __sys_sendmsg+0xcd/0x170 [ 2735.933318][ T7704] do_syscall_64+0xc6/0x1e0 [ 2735.933318][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2735.933318][ T7704] [ 2735.935544][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2735.935544][ T7704] netdev_get_by_index+0x5e/0x80 [ 2735.935544][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2735.935544][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2735.935544][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2735.935544][ T7704] ipv6_add_addr+0x411/0x2000 [ 2735.935544][ T7704] inet6_addr_add+0x30e/0xa40 [ 2735.935544][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2735.935544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2735.935544][ T7704] netlink_rcv_skb+0x130/0x360 [ 2735.935544][ T7704] netlink_unicast+0x449/0x710 [ 2735.935544][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2735.935544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2735.935544][ T7704] ___sys_sendmsg+0xee/0x170 [ 2735.935544][ T7704] __sys_sendmsg+0xcd/0x170 [ 2735.935544][ T7704] do_syscall_64+0xc6/0x1e0 [ 2735.935544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2735.935544][ T7704] [ 2735.937772][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2735.937772][ T7704] netdev_get_by_index+0x5e/0x80 [ 2735.937772][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2735.937772][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2735.937772][ T7704] ip6_route_add+0x1c/0x140 [ 2735.937772][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2735.937772][ T7704] addrconf_add_dev+0xe2/0x170 [ 2735.937772][ T7704] inet6_addr_add+0x12f/0xa40 [ 2735.937772][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2735.937772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2735.937772][ T7704] netlink_rcv_skb+0x130/0x360 [ 2735.937772][ T7704] netlink_unicast+0x449/0x710 [ 2735.937772][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2735.937772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2735.937772][ T7704] ___sys_sendmsg+0xee/0x170 [ 2735.937772][ T7704] __sys_sendmsg+0xcd/0x170 [ 2735.937772][ T7704] do_syscall_64+0xc6/0x1e0 [ 2735.937772][ T7704] [ 2735.939968][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2735.939968][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2735.939968][ T7704] ipv6_find_idev+0x102/0x170 [ 2735.939968][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2735.939968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2735.939968][ T7704] netlink_rcv_skb+0x130/0x360 [ 2735.939968][ T7704] netlink_unicast+0x449/0x710 [ 2735.939968][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2735.939968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2735.939968][ T7704] ___sys_sendmsg+0xee/0x170 [ 2735.939968][ T7704] __sys_sendmsg+0xcd/0x170 [ 2735.939968][ T7704] do_syscall_64+0xc6/0x1e0 [ 2735.939968][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2735.939968][ T7704] [ 2735.941687][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2735.941687][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2735.941687][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2735.941687][ T7704] ipv6_find_idev+0x102/0x170 [ 2735.941687][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2735.941687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2735.941687][ T7704] netlink_rcv_skb+0x130/0x360 [ 2735.941687][ T7704] netlink_unicast+0x449/0x710 [ 2735.941687][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2735.941687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2735.941687][ T7704] ___sys_sendmsg+0xee/0x170 [ 2735.941687][ T7704] __sys_sendmsg+0xcd/0x170 [ 2735.941687][ T7704] do_syscall_64+0xc6/0x1e0 [ 2735.941687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2735.941687][ T7704] [ 2746.180879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2746.181384][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2746.181384][ T7704] netdev_get_by_index+0x5e/0x80 [ 2746.181384][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2746.181384][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2746.181384][ T7704] ip6_route_add+0x1c/0x140 [ 2746.181384][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2746.181384][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2746.181384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2746.181384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.181384][ T7704] netlink_rcv_skb+0x130/0x360 [ 2746.181384][ T7704] netlink_unicast+0x449/0x710 [ 2746.181384][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2746.181384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2746.181384][ T7704] ___sys_sendmsg+0xee/0x170 [ 2746.181384][ T7704] __sys_sendmsg+0xcd/0x170 [ 2746.181384][ T7704] do_syscall_64+0xc6/0x1e0 [ 2746.181384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.181384][ T7704] [ 2746.183669][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2746.183669][ T7704] netdev_get_by_index+0x5e/0x80 [ 2746.183669][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2746.183669][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2746.183669][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2746.183669][ T7704] ipv6_add_addr+0x411/0x2000 [ 2746.183669][ T7704] inet6_addr_add+0x30e/0xa40 [ 2746.183669][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2746.183669][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.183669][ T7704] netlink_rcv_skb+0x130/0x360 [ 2746.183669][ T7704] netlink_unicast+0x449/0x710 [ 2746.183669][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2746.183669][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2746.183669][ T7704] ___sys_sendmsg+0xee/0x170 [ 2746.183669][ T7704] __sys_sendmsg+0xcd/0x170 [ 2746.183669][ T7704] do_syscall_64+0xc6/0x1e0 [ 2746.183669][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.183669][ T7704] [ 2746.185971][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2746.185971][ T7704] netdev_get_by_index+0x5e/0x80 [ 2746.185971][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2746.185971][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2746.185971][ T7704] ip6_route_add+0x1c/0x140 [ 2746.185971][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2746.185971][ T7704] addrconf_add_dev+0xe2/0x170 [ 2746.185971][ T7704] inet6_addr_add+0x12f/0xa40 [ 2746.185971][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2746.185971][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.185971][ T7704] netlink_rcv_skb+0x130/0x360 [ 2746.185971][ T7704] netlink_unicast+0x449/0x710 [ 2746.185971][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2746.185971][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2746.185971][ T7704] ___sys_sendmsg+0xee/0x170 [ 2746.185971][ T7704] __sys_sendmsg+0xcd/0x170 [ 2746.185971][ T7704] do_syscall_64+0xc6/0x1e0 [ 2746.185971][ T7704] [ 2746.188172][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2746.188172][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2746.188172][ T7704] ipv6_find_idev+0x102/0x170 [ 2746.188172][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2746.188172][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.188172][ T7704] netlink_rcv_skb+0x130/0x360 [ 2746.188172][ T7704] netlink_unicast+0x449/0x710 [ 2746.188172][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2746.188172][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2746.188172][ T7704] ___sys_sendmsg+0xee/0x170 [ 2746.188172][ T7704] __sys_sendmsg+0xcd/0x170 [ 2746.188172][ T7704] do_syscall_64+0xc6/0x1e0 [ 2746.188172][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.188172][ T7704] [ 2746.189870][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2746.189870][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2746.189870][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2746.189870][ T7704] ipv6_find_idev+0x102/0x170 [ 2746.189870][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2746.189870][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.189870][ T7704] netlink_rcv_skb+0x130/0x360 [ 2746.189870][ T7704] netlink_unicast+0x449/0x710 [ 2746.189870][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2746.189870][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2746.189870][ T7704] ___sys_sendmsg+0xee/0x170 [ 2746.189870][ T7704] __sys_sendmsg+0xcd/0x170 [ 2746.189870][ T7704] do_syscall_64+0xc6/0x1e0 [ 2746.189870][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.189870][ T7704] [ 2756.428809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2756.429330][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2756.429330][ T7704] netdev_get_by_index+0x5e/0x80 [ 2756.429330][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2756.429330][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2756.429330][ T7704] ip6_route_add+0x1c/0x140 [ 2756.429330][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2756.429330][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2756.429330][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2756.429330][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.429330][ T7704] netlink_rcv_skb+0x130/0x360 [ 2756.429330][ T7704] netlink_unicast+0x449/0x710 [ 2756.429330][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2756.429330][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2756.429330][ T7704] ___sys_sendmsg+0xee/0x170 [ 2756.429330][ T7704] __sys_sendmsg+0xcd/0x170 [ 2756.429330][ T7704] do_syscall_64+0xc6/0x1e0 [ 2756.429330][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.429330][ T7704] [ 2756.431727][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2756.431727][ T7704] netdev_get_by_index+0x5e/0x80 [ 2756.431727][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2756.431727][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2756.431727][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2756.431727][ T7704] ipv6_add_addr+0x411/0x2000 [ 2756.431727][ T7704] inet6_addr_add+0x30e/0xa40 [ 2756.431727][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2756.431727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.431727][ T7704] netlink_rcv_skb+0x130/0x360 [ 2756.431727][ T7704] netlink_unicast+0x449/0x710 [ 2756.431727][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2756.431727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2756.431727][ T7704] ___sys_sendmsg+0xee/0x170 [ 2756.431727][ T7704] __sys_sendmsg+0xcd/0x170 [ 2756.431727][ T7704] do_syscall_64+0xc6/0x1e0 [ 2756.431727][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.431727][ T7704] [ 2756.433945][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2756.433945][ T7704] netdev_get_by_index+0x5e/0x80 [ 2756.433945][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2756.433945][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2756.433945][ T7704] ip6_route_add+0x1c/0x140 [ 2756.433945][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2756.433945][ T7704] addrconf_add_dev+0xe2/0x170 [ 2756.433945][ T7704] inet6_addr_add+0x12f/0xa40 [ 2756.433945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2756.433945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.433945][ T7704] netlink_rcv_skb+0x130/0x360 [ 2756.433945][ T7704] netlink_unicast+0x449/0x710 [ 2756.433945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2756.433945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2756.433945][ T7704] ___sys_sendmsg+0xee/0x170 [ 2756.433945][ T7704] __sys_sendmsg+0xcd/0x170 [ 2756.433945][ T7704] do_syscall_64+0xc6/0x1e0 [ 2756.433945][ T7704] [ 2756.436121][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2756.436121][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2756.436121][ T7704] ipv6_find_idev+0x102/0x170 [ 2756.436121][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2756.436121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.436121][ T7704] netlink_rcv_skb+0x130/0x360 [ 2756.436121][ T7704] netlink_unicast+0x449/0x710 [ 2756.436121][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2756.436121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2756.436121][ T7704] ___sys_sendmsg+0xee/0x170 [ 2756.436121][ T7704] __sys_sendmsg+0xcd/0x170 [ 2756.436121][ T7704] do_syscall_64+0xc6/0x1e0 [ 2756.436121][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.436121][ T7704] [ 2756.437834][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2756.437834][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2756.437834][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2756.437834][ T7704] ipv6_find_idev+0x102/0x170 [ 2756.437834][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2756.437834][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.437834][ T7704] netlink_rcv_skb+0x130/0x360 [ 2756.437834][ T7704] netlink_unicast+0x449/0x710 [ 2756.437834][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2756.437834][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2756.437834][ T7704] ___sys_sendmsg+0xee/0x170 [ 2756.437834][ T7704] __sys_sendmsg+0xcd/0x170 [ 2756.437834][ T7704] do_syscall_64+0xc6/0x1e0 [ 2756.437834][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.437834][ T7704] [ 2766.676853][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2766.677361][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2766.677361][ T7704] netdev_get_by_index+0x5e/0x80 [ 2766.677361][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2766.677361][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2766.677361][ T7704] ip6_route_add+0x1c/0x140 [ 2766.677361][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2766.677361][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2766.677361][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2766.677361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.677361][ T7704] netlink_rcv_skb+0x130/0x360 [ 2766.677361][ T7704] netlink_unicast+0x449/0x710 [ 2766.677361][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2766.677361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2766.677361][ T7704] ___sys_sendmsg+0xee/0x170 [ 2766.677361][ T7704] __sys_sendmsg+0xcd/0x170 [ 2766.677361][ T7704] do_syscall_64+0xc6/0x1e0 [ 2766.677361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.677361][ T7704] [ 2766.679816][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2766.679816][ T7704] netdev_get_by_index+0x5e/0x80 [ 2766.679816][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2766.679816][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2766.679816][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2766.679816][ T7704] ipv6_add_addr+0x411/0x2000 [ 2766.679816][ T7704] inet6_addr_add+0x30e/0xa40 [ 2766.679816][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2766.679816][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.679816][ T7704] netlink_rcv_skb+0x130/0x360 [ 2766.679816][ T7704] netlink_unicast+0x449/0x710 [ 2766.679816][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2766.679816][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2766.679816][ T7704] ___sys_sendmsg+0xee/0x170 [ 2766.679816][ T7704] __sys_sendmsg+0xcd/0x170 [ 2766.679816][ T7704] do_syscall_64+0xc6/0x1e0 [ 2766.679816][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.679816][ T7704] [ 2766.682229][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2766.682229][ T7704] netdev_get_by_index+0x5e/0x80 [ 2766.682229][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2766.682229][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2766.682229][ T7704] ip6_route_add+0x1c/0x140 [ 2766.682229][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2766.682229][ T7704] addrconf_add_dev+0xe2/0x170 [ 2766.682229][ T7704] inet6_addr_add+0x12f/0xa40 [ 2766.682229][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2766.682229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.682229][ T7704] netlink_rcv_skb+0x130/0x360 [ 2766.682229][ T7704] netlink_unicast+0x449/0x710 [ 2766.682229][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2766.682229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2766.682229][ T7704] ___sys_sendmsg+0xee/0x170 [ 2766.682229][ T7704] __sys_sendmsg+0xcd/0x170 [ 2766.682229][ T7704] do_syscall_64+0xc6/0x1e0 [ 2766.682229][ T7704] [ 2766.684578][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2766.684578][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2766.684578][ T7704] ipv6_find_idev+0x102/0x170 [ 2766.684578][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2766.684578][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.684578][ T7704] netlink_rcv_skb+0x130/0x360 [ 2766.684578][ T7704] netlink_unicast+0x449/0x710 [ 2766.684578][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2766.684578][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2766.684578][ T7704] ___sys_sendmsg+0xee/0x170 [ 2766.684578][ T7704] __sys_sendmsg+0xcd/0x170 [ 2766.684578][ T7704] do_syscall_64+0xc6/0x1e0 [ 2766.684578][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.684578][ T7704] [ 2766.686413][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2766.686413][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2766.686413][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2766.686413][ T7704] ipv6_find_idev+0x102/0x170 [ 2766.686413][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2766.686413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.686413][ T7704] netlink_rcv_skb+0x130/0x360 [ 2766.686413][ T7704] netlink_unicast+0x449/0x710 [ 2766.686413][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2766.686413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2766.686413][ T7704] ___sys_sendmsg+0xee/0x170 [ 2766.686413][ T7704] __sys_sendmsg+0xcd/0x170 [ 2766.686413][ T7704] do_syscall_64+0xc6/0x1e0 [ 2766.686413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.686413][ T7704] [ 2776.924816][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2776.925302][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2776.925302][ T7704] netdev_get_by_index+0x5e/0x80 [ 2776.925302][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2776.925302][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2776.925302][ T7704] ip6_route_add+0x1c/0x140 [ 2776.925302][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2776.925302][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2776.925302][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2776.925302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2776.925302][ T7704] netlink_rcv_skb+0x130/0x360 [ 2776.925302][ T7704] netlink_unicast+0x449/0x710 [ 2776.925302][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2776.925302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2776.925302][ T7704] ___sys_sendmsg+0xee/0x170 [ 2776.925302][ T7704] __sys_sendmsg+0xcd/0x170 [ 2776.925302][ T7704] do_syscall_64+0xc6/0x1e0 [ 2776.925302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2776.925302][ T7704] [ 2776.927698][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2776.927698][ T7704] netdev_get_by_index+0x5e/0x80 [ 2776.927698][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2776.927698][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2776.927698][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2776.927698][ T7704] ipv6_add_addr+0x411/0x2000 [ 2776.927698][ T7704] inet6_addr_add+0x30e/0xa40 [ 2776.927698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2776.927698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2776.927698][ T7704] netlink_rcv_skb+0x130/0x360 [ 2776.927698][ T7704] netlink_unicast+0x449/0x710 [ 2776.927698][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2776.927698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2776.927698][ T7704] ___sys_sendmsg+0xee/0x170 [ 2776.927698][ T7704] __sys_sendmsg+0xcd/0x170 [ 2776.927698][ T7704] do_syscall_64+0xc6/0x1e0 [ 2776.927698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2776.927698][ T7704] [ 2776.929930][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2776.929930][ T7704] netdev_get_by_index+0x5e/0x80 [ 2776.929930][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2776.929930][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2776.929930][ T7704] ip6_route_add+0x1c/0x140 [ 2776.929930][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2776.929930][ T7704] addrconf_add_dev+0xe2/0x170 [ 2776.929930][ T7704] inet6_addr_add+0x12f/0xa40 [ 2776.929930][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2776.929930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2776.929930][ T7704] netlink_rcv_skb+0x130/0x360 [ 2776.929930][ T7704] netlink_unicast+0x449/0x710 [ 2776.929930][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2776.929930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2776.929930][ T7704] ___sys_sendmsg+0xee/0x170 [ 2776.929930][ T7704] __sys_sendmsg+0xcd/0x170 [ 2776.929930][ T7704] do_syscall_64+0xc6/0x1e0 [ 2776.929930][ T7704] [ 2776.932130][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2776.932130][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2776.932130][ T7704] ipv6_find_idev+0x102/0x170 [ 2776.932130][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2776.932130][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2776.932130][ T7704] netlink_rcv_skb+0x130/0x360 [ 2776.932130][ T7704] netlink_unicast+0x449/0x710 [ 2776.932130][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2776.932130][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2776.932130][ T7704] ___sys_sendmsg+0xee/0x170 [ 2776.932130][ T7704] __sys_sendmsg+0xcd/0x170 [ 2776.932130][ T7704] do_syscall_64+0xc6/0x1e0 [ 2776.932130][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2776.932130][ T7704] [ 2776.933861][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2776.933861][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2776.933861][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2776.933861][ T7704] ipv6_find_idev+0x102/0x170 [ 2776.933861][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2776.933861][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2776.933861][ T7704] netlink_rcv_skb+0x130/0x360 [ 2776.933861][ T7704] netlink_unicast+0x449/0x710 [ 2776.933861][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2776.933861][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2776.933861][ T7704] ___sys_sendmsg+0xee/0x170 [ 2776.933861][ T7704] __sys_sendmsg+0xcd/0x170 [ 2776.933861][ T7704] do_syscall_64+0xc6/0x1e0 [ 2776.933861][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2776.933861][ T7704] [ 2787.172874][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2787.173379][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2787.173379][ T7704] netdev_get_by_index+0x5e/0x80 [ 2787.173379][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2787.173379][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2787.173379][ T7704] ip6_route_add+0x1c/0x140 [ 2787.173379][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2787.173379][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2787.173379][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2787.173379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.173379][ T7704] netlink_rcv_skb+0x130/0x360 [ 2787.173379][ T7704] netlink_unicast+0x449/0x710 [ 2787.173379][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2787.173379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2787.173379][ T7704] ___sys_sendmsg+0xee/0x170 [ 2787.173379][ T7704] __sys_sendmsg+0xcd/0x170 [ 2787.173379][ T7704] do_syscall_64+0xc6/0x1e0 [ 2787.173379][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.173379][ T7704] [ 2787.175646][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2787.175646][ T7704] netdev_get_by_index+0x5e/0x80 [ 2787.175646][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2787.175646][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2787.175646][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2787.175646][ T7704] ipv6_add_addr+0x411/0x2000 [ 2787.175646][ T7704] inet6_addr_add+0x30e/0xa40 [ 2787.175646][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2787.175646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.175646][ T7704] netlink_rcv_skb+0x130/0x360 [ 2787.175646][ T7704] netlink_unicast+0x449/0x710 [ 2787.175646][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2787.175646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2787.175646][ T7704] ___sys_sendmsg+0xee/0x170 [ 2787.175646][ T7704] __sys_sendmsg+0xcd/0x170 [ 2787.175646][ T7704] do_syscall_64+0xc6/0x1e0 [ 2787.175646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.175646][ T7704] [ 2787.177915][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2787.177915][ T7704] netdev_get_by_index+0x5e/0x80 [ 2787.177915][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2787.177915][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2787.177915][ T7704] ip6_route_add+0x1c/0x140 [ 2787.177915][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2787.177915][ T7704] addrconf_add_dev+0xe2/0x170 [ 2787.177915][ T7704] inet6_addr_add+0x12f/0xa40 [ 2787.177915][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2787.177915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.177915][ T7704] netlink_rcv_skb+0x130/0x360 [ 2787.177915][ T7704] netlink_unicast+0x449/0x710 [ 2787.177915][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2787.177915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2787.177915][ T7704] ___sys_sendmsg+0xee/0x170 [ 2787.177915][ T7704] __sys_sendmsg+0xcd/0x170 [ 2787.177915][ T7704] do_syscall_64+0xc6/0x1e0 [ 2787.177915][ T7704] [ 2787.180129][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2787.180129][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2787.180129][ T7704] ipv6_find_idev+0x102/0x170 [ 2787.180129][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2787.180129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.180129][ T7704] netlink_rcv_skb+0x130/0x360 [ 2787.180129][ T7704] netlink_unicast+0x449/0x710 [ 2787.180129][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2787.180129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2787.180129][ T7704] ___sys_sendmsg+0xee/0x170 [ 2787.180129][ T7704] __sys_sendmsg+0xcd/0x170 [ 2787.180129][ T7704] do_syscall_64+0xc6/0x1e0 [ 2787.180129][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.180129][ T7704] [ 2787.181862][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2787.181862][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2787.181862][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2787.181862][ T7704] ipv6_find_idev+0x102/0x170 [ 2787.181862][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2787.181862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.181862][ T7704] netlink_rcv_skb+0x130/0x360 [ 2787.181862][ T7704] netlink_unicast+0x449/0x710 [ 2787.181862][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2787.181862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2787.181862][ T7704] ___sys_sendmsg+0xee/0x170 [ 2787.181862][ T7704] __sys_sendmsg+0xcd/0x170 [ 2787.181862][ T7704] do_syscall_64+0xc6/0x1e0 [ 2787.181862][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.181862][ T7704] [ 2797.420840][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2797.421422][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2797.421422][ T7704] netdev_get_by_index+0x5e/0x80 [ 2797.421422][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2797.421422][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2797.421422][ T7704] ip6_route_add+0x1c/0x140 [ 2797.421422][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2797.421422][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2797.421422][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2797.421422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.421422][ T7704] netlink_rcv_skb+0x130/0x360 [ 2797.421422][ T7704] netlink_unicast+0x449/0x710 [ 2797.421422][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2797.421422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2797.421422][ T7704] ___sys_sendmsg+0xee/0x170 [ 2797.421422][ T7704] __sys_sendmsg+0xcd/0x170 [ 2797.421422][ T7704] do_syscall_64+0xc6/0x1e0 [ 2797.421422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.421422][ T7704] [ 2797.423702][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2797.423702][ T7704] netdev_get_by_index+0x5e/0x80 [ 2797.423702][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2797.423702][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2797.423702][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2797.423702][ T7704] ipv6_add_addr+0x411/0x2000 [ 2797.423702][ T7704] inet6_addr_add+0x30e/0xa40 [ 2797.423702][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2797.423702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.423702][ T7704] netlink_rcv_skb+0x130/0x360 [ 2797.423702][ T7704] netlink_unicast+0x449/0x710 [ 2797.423702][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2797.423702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2797.423702][ T7704] ___sys_sendmsg+0xee/0x170 [ 2797.423702][ T7704] __sys_sendmsg+0xcd/0x170 [ 2797.423702][ T7704] do_syscall_64+0xc6/0x1e0 [ 2797.423702][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.423702][ T7704] [ 2797.425950][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2797.425950][ T7704] netdev_get_by_index+0x5e/0x80 [ 2797.425950][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2797.425950][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2797.425950][ T7704] ip6_route_add+0x1c/0x140 [ 2797.425950][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2797.425950][ T7704] addrconf_add_dev+0xe2/0x170 [ 2797.425950][ T7704] inet6_addr_add+0x12f/0xa40 [ 2797.425950][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2797.425950][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.425950][ T7704] netlink_rcv_skb+0x130/0x360 [ 2797.425950][ T7704] netlink_unicast+0x449/0x710 [ 2797.425950][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2797.425950][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2797.425950][ T7704] ___sys_sendmsg+0xee/0x170 [ 2797.425950][ T7704] __sys_sendmsg+0xcd/0x170 [ 2797.425950][ T7704] do_syscall_64+0xc6/0x1e0 [ 2797.425950][ T7704] [ 2797.428688][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2797.428688][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2797.428688][ T7704] ipv6_find_idev+0x102/0x170 [ 2797.428688][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2797.428688][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.428688][ T7704] netlink_rcv_skb+0x130/0x360 [ 2797.428688][ T7704] netlink_unicast+0x449/0x710 [ 2797.428688][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2797.428688][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2797.428688][ T7704] ___sys_sendmsg+0xee/0x170 [ 2797.428688][ T7704] __sys_sendmsg+0xcd/0x170 [ 2797.428688][ T7704] do_syscall_64+0xc6/0x1e0 [ 2797.428688][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.428688][ T7704] [ 2797.430421][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2797.430421][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2797.430421][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2797.430421][ T7704] ipv6_find_idev+0x102/0x170 [ 2797.430421][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2797.430421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.430421][ T7704] netlink_rcv_skb+0x130/0x360 [ 2797.430421][ T7704] netlink_unicast+0x449/0x710 [ 2797.430421][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2797.430421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2797.430421][ T7704] ___sys_sendmsg+0xee/0x170 [ 2797.430421][ T7704] __sys_sendmsg+0xcd/0x170 [ 2797.430421][ T7704] do_syscall_64+0xc6/0x1e0 [ 2797.430421][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.430421][ T7704] [ 2807.668806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2807.669339][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2807.669339][ T7704] netdev_get_by_index+0x5e/0x80 [ 2807.669339][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2807.669339][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2807.669339][ T7704] ip6_route_add+0x1c/0x140 [ 2807.669339][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2807.669339][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2807.669339][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2807.669339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.669339][ T7704] netlink_rcv_skb+0x130/0x360 [ 2807.669339][ T7704] netlink_unicast+0x449/0x710 [ 2807.669339][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2807.669339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2807.669339][ T7704] ___sys_sendmsg+0xee/0x170 [ 2807.669339][ T7704] __sys_sendmsg+0xcd/0x170 [ 2807.669339][ T7704] do_syscall_64+0xc6/0x1e0 [ 2807.669339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.669339][ T7704] [ 2807.671579][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2807.671579][ T7704] netdev_get_by_index+0x5e/0x80 [ 2807.671579][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2807.671579][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2807.671579][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2807.671579][ T7704] ipv6_add_addr+0x411/0x2000 [ 2807.671579][ T7704] inet6_addr_add+0x30e/0xa40 [ 2807.671579][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2807.671579][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.671579][ T7704] netlink_rcv_skb+0x130/0x360 [ 2807.671579][ T7704] netlink_unicast+0x449/0x710 [ 2807.671579][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2807.671579][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2807.671579][ T7704] ___sys_sendmsg+0xee/0x170 [ 2807.671579][ T7704] __sys_sendmsg+0xcd/0x170 [ 2807.671579][ T7704] do_syscall_64+0xc6/0x1e0 [ 2807.671579][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.671579][ T7704] [ 2807.673783][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2807.673783][ T7704] netdev_get_by_index+0x5e/0x80 [ 2807.673783][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2807.673783][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2807.673783][ T7704] ip6_route_add+0x1c/0x140 [ 2807.673783][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2807.673783][ T7704] addrconf_add_dev+0xe2/0x170 [ 2807.673783][ T7704] inet6_addr_add+0x12f/0xa40 [ 2807.673783][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2807.673783][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.673783][ T7704] netlink_rcv_skb+0x130/0x360 [ 2807.673783][ T7704] netlink_unicast+0x449/0x710 [ 2807.673783][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2807.673783][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2807.673783][ T7704] ___sys_sendmsg+0xee/0x170 [ 2807.673783][ T7704] __sys_sendmsg+0xcd/0x170 [ 2807.673783][ T7704] do_syscall_64+0xc6/0x1e0 [ 2807.673783][ T7704] [ 2807.675941][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2807.675941][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2807.675941][ T7704] ipv6_find_idev+0x102/0x170 [ 2807.675941][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2807.675941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.675941][ T7704] netlink_rcv_skb+0x130/0x360 [ 2807.675941][ T7704] netlink_unicast+0x449/0x710 [ 2807.675941][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2807.675941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2807.675941][ T7704] ___sys_sendmsg+0xee/0x170 [ 2807.675941][ T7704] __sys_sendmsg+0xcd/0x170 [ 2807.675941][ T7704] do_syscall_64+0xc6/0x1e0 [ 2807.675941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.675941][ T7704] [ 2807.677655][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2807.677655][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2807.677655][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2807.677655][ T7704] ipv6_find_idev+0x102/0x170 [ 2807.677655][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2807.677655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.677655][ T7704] netlink_rcv_skb+0x130/0x360 [ 2807.677655][ T7704] netlink_unicast+0x449/0x710 [ 2807.677655][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2807.677655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2807.677655][ T7704] ___sys_sendmsg+0xee/0x170 [ 2807.677655][ T7704] __sys_sendmsg+0xcd/0x170 [ 2807.677655][ T7704] do_syscall_64+0xc6/0x1e0 [ 2807.677655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.677655][ T7704] [ 2817.708881][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2817.709393][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2817.709393][ T7704] netdev_get_by_index+0x5e/0x80 [ 2817.709393][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2817.709393][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2817.709393][ T7704] ip6_route_add+0x1c/0x140 [ 2817.709393][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2817.709393][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2817.709393][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2817.709393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.709393][ T7704] netlink_rcv_skb+0x130/0x360 [ 2817.709393][ T7704] netlink_unicast+0x449/0x710 [ 2817.709393][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2817.709393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2817.709393][ T7704] ___sys_sendmsg+0xee/0x170 [ 2817.709393][ T7704] __sys_sendmsg+0xcd/0x170 [ 2817.709393][ T7704] do_syscall_64+0xc6/0x1e0 [ 2817.709393][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.709393][ T7704] [ 2817.711669][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2817.711669][ T7704] netdev_get_by_index+0x5e/0x80 [ 2817.711669][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2817.711669][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2817.711669][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2817.711669][ T7704] ipv6_add_addr+0x411/0x2000 [ 2817.711669][ T7704] inet6_addr_add+0x30e/0xa40 [ 2817.711669][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2817.711669][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.711669][ T7704] netlink_rcv_skb+0x130/0x360 [ 2817.711669][ T7704] netlink_unicast+0x449/0x710 [ 2817.711669][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2817.711669][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2817.711669][ T7704] ___sys_sendmsg+0xee/0x170 [ 2817.711669][ T7704] __sys_sendmsg+0xcd/0x170 [ 2817.711669][ T7704] do_syscall_64+0xc6/0x1e0 [ 2817.711669][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.711669][ T7704] [ 2817.713876][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2817.713876][ T7704] netdev_get_by_index+0x5e/0x80 [ 2817.713876][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2817.713876][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2817.713876][ T7704] ip6_route_add+0x1c/0x140 [ 2817.713876][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2817.713876][ T7704] addrconf_add_dev+0xe2/0x170 [ 2817.713876][ T7704] inet6_addr_add+0x12f/0xa40 [ 2817.713876][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2817.713876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.713876][ T7704] netlink_rcv_skb+0x130/0x360 [ 2817.713876][ T7704] netlink_unicast+0x449/0x710 [ 2817.713876][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2817.713876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2817.713876][ T7704] ___sys_sendmsg+0xee/0x170 [ 2817.713876][ T7704] __sys_sendmsg+0xcd/0x170 [ 2817.713876][ T7704] do_syscall_64+0xc6/0x1e0 [ 2817.713876][ T7704] [ 2817.716058][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2817.716058][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2817.716058][ T7704] ipv6_find_idev+0x102/0x170 [ 2817.716058][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2817.716058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.716058][ T7704] netlink_rcv_skb+0x130/0x360 [ 2817.716058][ T7704] netlink_unicast+0x449/0x710 [ 2817.716058][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2817.716058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2817.716058][ T7704] ___sys_sendmsg+0xee/0x170 [ 2817.716058][ T7704] __sys_sendmsg+0xcd/0x170 [ 2817.716058][ T7704] do_syscall_64+0xc6/0x1e0 [ 2817.716058][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.716058][ T7704] [ 2817.717764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2817.717764][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2817.717764][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2817.717764][ T7704] ipv6_find_idev+0x102/0x170 [ 2817.717764][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2817.717764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.717764][ T7704] netlink_rcv_skb+0x130/0x360 [ 2817.717764][ T7704] netlink_unicast+0x449/0x710 [ 2817.717764][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2817.717764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2817.717764][ T7704] ___sys_sendmsg+0xee/0x170 [ 2817.717764][ T7704] __sys_sendmsg+0xcd/0x170 [ 2817.717764][ T7704] do_syscall_64+0xc6/0x1e0 [ 2817.717764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.717764][ T7704] [ 2827.972847][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2827.973355][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2827.973355][ T7704] netdev_get_by_index+0x5e/0x80 [ 2827.973355][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2827.973355][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2827.973355][ T7704] ip6_route_add+0x1c/0x140 [ 2827.973355][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2827.973355][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2827.973355][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2827.973355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2827.973355][ T7704] netlink_rcv_skb+0x130/0x360 [ 2827.973355][ T7704] netlink_unicast+0x449/0x710 [ 2827.973355][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2827.973355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2827.973355][ T7704] ___sys_sendmsg+0xee/0x170 [ 2827.973355][ T7704] __sys_sendmsg+0xcd/0x170 [ 2827.973355][ T7704] do_syscall_64+0xc6/0x1e0 [ 2827.973355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2827.973355][ T7704] [ 2827.975618][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2827.975618][ T7704] netdev_get_by_index+0x5e/0x80 [ 2827.975618][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2827.975618][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2827.975618][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2827.975618][ T7704] ipv6_add_addr+0x411/0x2000 [ 2827.975618][ T7704] inet6_addr_add+0x30e/0xa40 [ 2827.975618][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2827.975618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2827.975618][ T7704] netlink_rcv_skb+0x130/0x360 [ 2827.975618][ T7704] netlink_unicast+0x449/0x710 [ 2827.975618][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2827.975618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2827.975618][ T7704] ___sys_sendmsg+0xee/0x170 [ 2827.975618][ T7704] __sys_sendmsg+0xcd/0x170 [ 2827.975618][ T7704] do_syscall_64+0xc6/0x1e0 [ 2827.975618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2827.975618][ T7704] [ 2827.977858][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2827.977858][ T7704] netdev_get_by_index+0x5e/0x80 [ 2827.977858][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2827.977858][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2827.977858][ T7704] ip6_route_add+0x1c/0x140 [ 2827.977858][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2827.977858][ T7704] addrconf_add_dev+0xe2/0x170 [ 2827.977858][ T7704] inet6_addr_add+0x12f/0xa40 [ 2827.977858][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2827.977858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2827.977858][ T7704] netlink_rcv_skb+0x130/0x360 [ 2827.977858][ T7704] netlink_unicast+0x449/0x710 [ 2827.977858][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2827.977858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2827.977858][ T7704] ___sys_sendmsg+0xee/0x170 [ 2827.977858][ T7704] __sys_sendmsg+0xcd/0x170 [ 2827.977858][ T7704] do_syscall_64+0xc6/0x1e0 [ 2827.977858][ T7704] [ 2827.980557][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2827.980557][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2827.980557][ T7704] ipv6_find_idev+0x102/0x170 [ 2827.980557][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2827.980557][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2827.980557][ T7704] netlink_rcv_skb+0x130/0x360 [ 2827.980557][ T7704] netlink_unicast+0x449/0x710 [ 2827.980557][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2827.980557][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2827.980557][ T7704] ___sys_sendmsg+0xee/0x170 [ 2827.980557][ T7704] __sys_sendmsg+0xcd/0x170 [ 2827.980557][ T7704] do_syscall_64+0xc6/0x1e0 [ 2827.980557][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2827.980557][ T7704] [ 2827.982247][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2827.982247][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2827.982247][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2827.982247][ T7704] ipv6_find_idev+0x102/0x170 [ 2827.982247][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2827.982247][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2827.982247][ T7704] netlink_rcv_skb+0x130/0x360 [ 2827.982247][ T7704] netlink_unicast+0x449/0x710 [ 2827.982247][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2827.982247][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2827.982247][ T7704] ___sys_sendmsg+0xee/0x170 [ 2827.982247][ T7704] __sys_sendmsg+0xcd/0x170 [ 2827.982247][ T7704] do_syscall_64+0xc6/0x1e0 [ 2827.982247][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2827.982247][ T7704] [ 2838.220810][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2838.221274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2838.221274][ T7704] netdev_get_by_index+0x5e/0x80 [ 2838.221274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2838.221274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2838.221274][ T7704] ip6_route_add+0x1c/0x140 [ 2838.221274][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2838.221274][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2838.221274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2838.221274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.221274][ T7704] netlink_rcv_skb+0x130/0x360 [ 2838.221274][ T7704] netlink_unicast+0x449/0x710 [ 2838.221274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2838.221274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2838.221274][ T7704] ___sys_sendmsg+0xee/0x170 [ 2838.221274][ T7704] __sys_sendmsg+0xcd/0x170 [ 2838.221274][ T7704] do_syscall_64+0xc6/0x1e0 [ 2838.221274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.221274][ T7704] [ 2838.223492][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2838.223492][ T7704] netdev_get_by_index+0x5e/0x80 [ 2838.223492][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2838.223492][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2838.223492][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2838.223492][ T7704] ipv6_add_addr+0x411/0x2000 [ 2838.223492][ T7704] inet6_addr_add+0x30e/0xa40 [ 2838.223492][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2838.223492][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.223492][ T7704] netlink_rcv_skb+0x130/0x360 [ 2838.223492][ T7704] netlink_unicast+0x449/0x710 [ 2838.223492][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2838.223492][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2838.223492][ T7704] ___sys_sendmsg+0xee/0x170 [ 2838.223492][ T7704] __sys_sendmsg+0xcd/0x170 [ 2838.223492][ T7704] do_syscall_64+0xc6/0x1e0 [ 2838.223492][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.223492][ T7704] [ 2838.225710][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2838.225710][ T7704] netdev_get_by_index+0x5e/0x80 [ 2838.225710][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2838.225710][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2838.225710][ T7704] ip6_route_add+0x1c/0x140 [ 2838.225710][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2838.225710][ T7704] addrconf_add_dev+0xe2/0x170 [ 2838.225710][ T7704] inet6_addr_add+0x12f/0xa40 [ 2838.225710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2838.225710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.225710][ T7704] netlink_rcv_skb+0x130/0x360 [ 2838.225710][ T7704] netlink_unicast+0x449/0x710 [ 2838.225710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2838.225710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2838.225710][ T7704] ___sys_sendmsg+0xee/0x170 [ 2838.225710][ T7704] __sys_sendmsg+0xcd/0x170 [ 2838.225710][ T7704] do_syscall_64+0xc6/0x1e0 [ 2838.225710][ T7704] [ 2838.227893][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2838.227893][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2838.227893][ T7704] ipv6_find_idev+0x102/0x170 [ 2838.227893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2838.227893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.227893][ T7704] netlink_rcv_skb+0x130/0x360 [ 2838.227893][ T7704] netlink_unicast+0x449/0x710 [ 2838.227893][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2838.227893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2838.227893][ T7704] ___sys_sendmsg+0xee/0x170 [ 2838.227893][ T7704] __sys_sendmsg+0xcd/0x170 [ 2838.227893][ T7704] do_syscall_64+0xc6/0x1e0 [ 2838.227893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.227893][ T7704] [ 2838.229587][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2838.229587][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2838.229587][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2838.229587][ T7704] ipv6_find_idev+0x102/0x170 [ 2838.229587][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2838.229587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.229587][ T7704] netlink_rcv_skb+0x130/0x360 [ 2838.229587][ T7704] netlink_unicast+0x449/0x710 [ 2838.229587][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2838.229587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2838.229587][ T7704] ___sys_sendmsg+0xee/0x170 [ 2838.229587][ T7704] __sys_sendmsg+0xcd/0x170 [ 2838.229587][ T7704] do_syscall_64+0xc6/0x1e0 [ 2838.229587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.229587][ T7704] [ 2848.396803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2848.397300][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2848.397300][ T7704] netdev_get_by_index+0x5e/0x80 [ 2848.397300][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2848.397300][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2848.397300][ T7704] ip6_route_add+0x1c/0x140 [ 2848.397300][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2848.397300][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2848.397300][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2848.397300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.397300][ T7704] netlink_rcv_skb+0x130/0x360 [ 2848.397300][ T7704] netlink_unicast+0x449/0x710 [ 2848.397300][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2848.397300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2848.397300][ T7704] ___sys_sendmsg+0xee/0x170 [ 2848.397300][ T7704] __sys_sendmsg+0xcd/0x170 [ 2848.397300][ T7704] do_syscall_64+0xc6/0x1e0 [ 2848.397300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.397300][ T7704] [ 2848.399539][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2848.399539][ T7704] netdev_get_by_index+0x5e/0x80 [ 2848.399539][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2848.399539][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2848.399539][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2848.399539][ T7704] ipv6_add_addr+0x411/0x2000 [ 2848.399539][ T7704] inet6_addr_add+0x30e/0xa40 [ 2848.399539][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2848.399539][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.399539][ T7704] netlink_rcv_skb+0x130/0x360 [ 2848.399539][ T7704] netlink_unicast+0x449/0x710 [ 2848.399539][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2848.399539][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2848.399539][ T7704] ___sys_sendmsg+0xee/0x170 [ 2848.399539][ T7704] __sys_sendmsg+0xcd/0x170 [ 2848.399539][ T7704] do_syscall_64+0xc6/0x1e0 [ 2848.399539][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.399539][ T7704] [ 2848.401742][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2848.401742][ T7704] netdev_get_by_index+0x5e/0x80 [ 2848.401742][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2848.401742][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2848.401742][ T7704] ip6_route_add+0x1c/0x140 [ 2848.401742][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2848.401742][ T7704] addrconf_add_dev+0xe2/0x170 [ 2848.401742][ T7704] inet6_addr_add+0x12f/0xa40 [ 2848.401742][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2848.401742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.401742][ T7704] netlink_rcv_skb+0x130/0x360 [ 2848.401742][ T7704] netlink_unicast+0x449/0x710 [ 2848.401742][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2848.401742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2848.401742][ T7704] ___sys_sendmsg+0xee/0x170 [ 2848.401742][ T7704] __sys_sendmsg+0xcd/0x170 [ 2848.401742][ T7704] do_syscall_64+0xc6/0x1e0 [ 2848.401742][ T7704] [ 2848.403979][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2848.403979][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2848.403979][ T7704] ipv6_find_idev+0x102/0x170 [ 2848.403979][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2848.403979][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.403979][ T7704] netlink_rcv_skb+0x130/0x360 [ 2848.403979][ T7704] netlink_unicast+0x449/0x710 [ 2848.403979][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2848.403979][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2848.403979][ T7704] ___sys_sendmsg+0xee/0x170 [ 2848.403979][ T7704] __sys_sendmsg+0xcd/0x170 [ 2848.403979][ T7704] do_syscall_64+0xc6/0x1e0 [ 2848.403979][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.403979][ T7704] [ 2848.405706][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2848.405706][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2848.405706][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2848.405706][ T7704] ipv6_find_idev+0x102/0x170 [ 2848.405706][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2848.405706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.405706][ T7704] netlink_rcv_skb+0x130/0x360 [ 2848.405706][ T7704] netlink_unicast+0x449/0x710 [ 2848.405706][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2848.405706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2848.405706][ T7704] ___sys_sendmsg+0xee/0x170 [ 2848.405706][ T7704] __sys_sendmsg+0xcd/0x170 [ 2848.405706][ T7704] do_syscall_64+0xc6/0x1e0 [ 2848.405706][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.405706][ T7704] [ 2858.460802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2858.461249][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2858.461249][ T7704] netdev_get_by_index+0x5e/0x80 [ 2858.461249][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2858.461249][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2858.461249][ T7704] ip6_route_add+0x1c/0x140 [ 2858.461249][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2858.461249][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2858.461249][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2858.461249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.461249][ T7704] netlink_rcv_skb+0x130/0x360 [ 2858.461249][ T7704] netlink_unicast+0x449/0x710 [ 2858.461249][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2858.461249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2858.461249][ T7704] ___sys_sendmsg+0xee/0x170 [ 2858.461249][ T7704] __sys_sendmsg+0xcd/0x170 [ 2858.461249][ T7704] do_syscall_64+0xc6/0x1e0 [ 2858.461249][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.461249][ T7704] [ 2858.463546][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2858.463546][ T7704] netdev_get_by_index+0x5e/0x80 [ 2858.463546][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2858.463546][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2858.463546][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2858.463546][ T7704] ipv6_add_addr+0x411/0x2000 [ 2858.463546][ T7704] inet6_addr_add+0x30e/0xa40 [ 2858.463546][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2858.463546][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.463546][ T7704] netlink_rcv_skb+0x130/0x360 [ 2858.463546][ T7704] netlink_unicast+0x449/0x710 [ 2858.463546][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2858.463546][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2858.463546][ T7704] ___sys_sendmsg+0xee/0x170 [ 2858.463546][ T7704] __sys_sendmsg+0xcd/0x170 [ 2858.463546][ T7704] do_syscall_64+0xc6/0x1e0 [ 2858.463546][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.463546][ T7704] [ 2858.465784][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2858.465784][ T7704] netdev_get_by_index+0x5e/0x80 [ 2858.465784][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2858.465784][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2858.465784][ T7704] ip6_route_add+0x1c/0x140 [ 2858.465784][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2858.465784][ T7704] addrconf_add_dev+0xe2/0x170 [ 2858.465784][ T7704] inet6_addr_add+0x12f/0xa40 [ 2858.465784][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2858.465784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.465784][ T7704] netlink_rcv_skb+0x130/0x360 [ 2858.465784][ T7704] netlink_unicast+0x449/0x710 [ 2858.465784][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2858.465784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2858.465784][ T7704] ___sys_sendmsg+0xee/0x170 [ 2858.465784][ T7704] __sys_sendmsg+0xcd/0x170 [ 2858.465784][ T7704] do_syscall_64+0xc6/0x1e0 [ 2858.465784][ T7704] [ 2858.467999][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2858.467999][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2858.467999][ T7704] ipv6_find_idev+0x102/0x170 [ 2858.467999][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2858.467999][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.467999][ T7704] netlink_rcv_skb+0x130/0x360 [ 2858.467999][ T7704] netlink_unicast+0x449/0x710 [ 2858.467999][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2858.467999][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2858.467999][ T7704] ___sys_sendmsg+0xee/0x170 [ 2858.467999][ T7704] __sys_sendmsg+0xcd/0x170 [ 2858.467999][ T7704] do_syscall_64+0xc6/0x1e0 [ 2858.467999][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.467999][ T7704] [ 2858.469702][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2858.469702][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2858.469702][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2858.469702][ T7704] ipv6_find_idev+0x102/0x170 [ 2858.469702][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2858.469702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.469702][ T7704] netlink_rcv_skb+0x130/0x360 [ 2858.469702][ T7704] netlink_unicast+0x449/0x710 [ 2858.469702][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2858.469702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2858.469702][ T7704] ___sys_sendmsg+0xee/0x170 [ 2858.469702][ T7704] __sys_sendmsg+0xcd/0x170 [ 2858.469702][ T7704] do_syscall_64+0xc6/0x1e0 [ 2858.469702][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.469702][ T7704] [ 2868.604822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2868.605308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2868.605308][ T7704] netdev_get_by_index+0x5e/0x80 [ 2868.605308][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2868.605308][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2868.605308][ T7704] ip6_route_add+0x1c/0x140 [ 2868.605308][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2868.605308][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2868.605308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2868.605308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2868.605308][ T7704] netlink_rcv_skb+0x130/0x360 [ 2868.605308][ T7704] netlink_unicast+0x449/0x710 [ 2868.605308][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2868.605308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2868.605308][ T7704] ___sys_sendmsg+0xee/0x170 [ 2868.605308][ T7704] __sys_sendmsg+0xcd/0x170 [ 2868.605308][ T7704] do_syscall_64+0xc6/0x1e0 [ 2868.605308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2868.605308][ T7704] [ 2868.607594][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2868.607594][ T7704] netdev_get_by_index+0x5e/0x80 [ 2868.607594][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2868.607594][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2868.607594][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2868.607594][ T7704] ipv6_add_addr+0x411/0x2000 [ 2868.607594][ T7704] inet6_addr_add+0x30e/0xa40 [ 2868.607594][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2868.607594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2868.607594][ T7704] netlink_rcv_skb+0x130/0x360 [ 2868.607594][ T7704] netlink_unicast+0x449/0x710 [ 2868.607594][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2868.607594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2868.607594][ T7704] ___sys_sendmsg+0xee/0x170 [ 2868.607594][ T7704] __sys_sendmsg+0xcd/0x170 [ 2868.607594][ T7704] do_syscall_64+0xc6/0x1e0 [ 2868.607594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2868.607594][ T7704] [ 2868.609803][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2868.609803][ T7704] netdev_get_by_index+0x5e/0x80 [ 2868.609803][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2868.609803][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2868.609803][ T7704] ip6_route_add+0x1c/0x140 [ 2868.609803][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2868.609803][ T7704] addrconf_add_dev+0xe2/0x170 [ 2868.609803][ T7704] inet6_addr_add+0x12f/0xa40 [ 2868.609803][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2868.609803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2868.609803][ T7704] netlink_rcv_skb+0x130/0x360 [ 2868.609803][ T7704] netlink_unicast+0x449/0x710 [ 2868.609803][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2868.609803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2868.609803][ T7704] ___sys_sendmsg+0xee/0x170 [ 2868.609803][ T7704] __sys_sendmsg+0xcd/0x170 [ 2868.609803][ T7704] do_syscall_64+0xc6/0x1e0 [ 2868.609803][ T7704] [ 2868.611972][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2868.611972][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2868.611972][ T7704] ipv6_find_idev+0x102/0x170 [ 2868.611972][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2868.611972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2868.611972][ T7704] netlink_rcv_skb+0x130/0x360 [ 2868.611972][ T7704] netlink_unicast+0x449/0x710 [ 2868.611972][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2868.611972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2868.611972][ T7704] ___sys_sendmsg+0xee/0x170 [ 2868.611972][ T7704] __sys_sendmsg+0xcd/0x170 [ 2868.611972][ T7704] do_syscall_64+0xc6/0x1e0 [ 2868.611972][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2868.611972][ T7704] [ 2868.613680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2868.613680][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2868.613680][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2868.613680][ T7704] ipv6_find_idev+0x102/0x170 [ 2868.613680][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2868.613680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2868.613680][ T7704] netlink_rcv_skb+0x130/0x360 [ 2868.613680][ T7704] netlink_unicast+0x449/0x710 [ 2868.613680][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2868.613680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2868.613680][ T7704] ___sys_sendmsg+0xee/0x170 [ 2868.613680][ T7704] __sys_sendmsg+0xcd/0x170 [ 2868.613680][ T7704] do_syscall_64+0xc6/0x1e0 [ 2868.613680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2868.613680][ T7704] [ 2878.620837][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2878.621359][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2878.621359][ T7704] netdev_get_by_index+0x5e/0x80 [ 2878.621359][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2878.621359][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2878.621359][ T7704] ip6_route_add+0x1c/0x140 [ 2878.621359][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2878.621359][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2878.621359][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2878.621359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2878.621359][ T7704] netlink_rcv_skb+0x130/0x360 [ 2878.621359][ T7704] netlink_unicast+0x449/0x710 [ 2878.621359][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2878.621359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2878.621359][ T7704] ___sys_sendmsg+0xee/0x170 [ 2878.621359][ T7704] __sys_sendmsg+0xcd/0x170 [ 2878.621359][ T7704] do_syscall_64+0xc6/0x1e0 [ 2878.621359][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2878.621359][ T7704] [ 2878.623627][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2878.623627][ T7704] netdev_get_by_index+0x5e/0x80 [ 2878.623627][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2878.623627][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2878.623627][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2878.623627][ T7704] ipv6_add_addr+0x411/0x2000 [ 2878.623627][ T7704] inet6_addr_add+0x30e/0xa40 [ 2878.623627][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2878.623627][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2878.623627][ T7704] netlink_rcv_skb+0x130/0x360 [ 2878.623627][ T7704] netlink_unicast+0x449/0x710 [ 2878.623627][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2878.623627][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2878.623627][ T7704] ___sys_sendmsg+0xee/0x170 [ 2878.623627][ T7704] __sys_sendmsg+0xcd/0x170 [ 2878.623627][ T7704] do_syscall_64+0xc6/0x1e0 [ 2878.623627][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2878.623627][ T7704] [ 2878.625876][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2878.625876][ T7704] netdev_get_by_index+0x5e/0x80 [ 2878.625876][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2878.625876][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2878.625876][ T7704] ip6_route_add+0x1c/0x140 [ 2878.625876][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2878.625876][ T7704] addrconf_add_dev+0xe2/0x170 [ 2878.625876][ T7704] inet6_addr_add+0x12f/0xa40 [ 2878.625876][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2878.625876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2878.625876][ T7704] netlink_rcv_skb+0x130/0x360 [ 2878.625876][ T7704] netlink_unicast+0x449/0x710 [ 2878.625876][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2878.625876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2878.625876][ T7704] ___sys_sendmsg+0xee/0x170 [ 2878.625876][ T7704] __sys_sendmsg+0xcd/0x170 [ 2878.625876][ T7704] do_syscall_64+0xc6/0x1e0 [ 2878.625876][ T7704] [ 2878.628105][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2878.628105][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2878.628105][ T7704] ipv6_find_idev+0x102/0x170 [ 2878.628105][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2878.628105][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2878.628105][ T7704] netlink_rcv_skb+0x130/0x360 [ 2878.628105][ T7704] netlink_unicast+0x449/0x710 [ 2878.628105][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2878.628105][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2878.628105][ T7704] ___sys_sendmsg+0xee/0x170 [ 2878.628105][ T7704] __sys_sendmsg+0xcd/0x170 [ 2878.628105][ T7704] do_syscall_64+0xc6/0x1e0 [ 2878.628105][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2878.628105][ T7704] [ 2878.629836][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2878.629836][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2878.629836][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2878.629836][ T7704] ipv6_find_idev+0x102/0x170 [ 2878.629836][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2878.629836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2878.629836][ T7704] netlink_rcv_skb+0x130/0x360 [ 2878.629836][ T7704] netlink_unicast+0x449/0x710 [ 2878.629836][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2878.629836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2878.629836][ T7704] ___sys_sendmsg+0xee/0x170 [ 2878.629836][ T7704] __sys_sendmsg+0xcd/0x170 [ 2878.629836][ T7704] do_syscall_64+0xc6/0x1e0 [ 2878.629836][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2878.629836][ T7704] [ 2888.732828][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2888.733337][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2888.733337][ T7704] netdev_get_by_index+0x5e/0x80 [ 2888.733337][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2888.733337][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2888.733337][ T7704] ip6_route_add+0x1c/0x140 [ 2888.733337][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2888.733337][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2888.733337][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2888.733337][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2888.733337][ T7704] netlink_rcv_skb+0x130/0x360 [ 2888.733337][ T7704] netlink_unicast+0x449/0x710 [ 2888.733337][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2888.733337][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2888.733337][ T7704] ___sys_sendmsg+0xee/0x170 [ 2888.733337][ T7704] __sys_sendmsg+0xcd/0x170 [ 2888.733337][ T7704] do_syscall_64+0xc6/0x1e0 [ 2888.733337][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2888.733337][ T7704] [ 2888.735699][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2888.735699][ T7704] netdev_get_by_index+0x5e/0x80 [ 2888.735699][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2888.735699][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2888.735699][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2888.735699][ T7704] ipv6_add_addr+0x411/0x2000 [ 2888.735699][ T7704] inet6_addr_add+0x30e/0xa40 [ 2888.735699][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2888.735699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2888.735699][ T7704] netlink_rcv_skb+0x130/0x360 [ 2888.735699][ T7704] netlink_unicast+0x449/0x710 [ 2888.735699][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2888.735699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2888.735699][ T7704] ___sys_sendmsg+0xee/0x170 [ 2888.735699][ T7704] __sys_sendmsg+0xcd/0x170 [ 2888.735699][ T7704] do_syscall_64+0xc6/0x1e0 [ 2888.735699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2888.735699][ T7704] [ 2888.737914][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2888.737914][ T7704] netdev_get_by_index+0x5e/0x80 [ 2888.737914][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2888.737914][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2888.737914][ T7704] ip6_route_add+0x1c/0x140 [ 2888.737914][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2888.737914][ T7704] addrconf_add_dev+0xe2/0x170 [ 2888.737914][ T7704] inet6_addr_add+0x12f/0xa40 [ 2888.737914][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2888.737914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2888.737914][ T7704] netlink_rcv_skb+0x130/0x360 [ 2888.737914][ T7704] netlink_unicast+0x449/0x710 [ 2888.737914][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2888.737914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2888.737914][ T7704] ___sys_sendmsg+0xee/0x170 [ 2888.737914][ T7704] __sys_sendmsg+0xcd/0x170 [ 2888.737914][ T7704] do_syscall_64+0xc6/0x1e0 [ 2888.737914][ T7704] [ 2888.740102][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2888.740102][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2888.740102][ T7704] ipv6_find_idev+0x102/0x170 [ 2888.740102][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2888.740102][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2888.740102][ T7704] netlink_rcv_skb+0x130/0x360 [ 2888.740102][ T7704] netlink_unicast+0x449/0x710 [ 2888.740102][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2888.740102][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2888.740102][ T7704] ___sys_sendmsg+0xee/0x170 [ 2888.740102][ T7704] __sys_sendmsg+0xcd/0x170 [ 2888.740102][ T7704] do_syscall_64+0xc6/0x1e0 [ 2888.740102][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2888.740102][ T7704] [ 2888.741804][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2888.741804][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2888.741804][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2888.741804][ T7704] ipv6_find_idev+0x102/0x170 [ 2888.741804][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2888.741804][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2888.741804][ T7704] netlink_rcv_skb+0x130/0x360 [ 2888.741804][ T7704] netlink_unicast+0x449/0x710 [ 2888.741804][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2888.741804][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2888.741804][ T7704] ___sys_sendmsg+0xee/0x170 [ 2888.741804][ T7704] __sys_sendmsg+0xcd/0x170 [ 2888.741804][ T7704] do_syscall_64+0xc6/0x1e0 [ 2888.741804][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2888.741804][ T7704] [ 2898.804884][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2898.805345][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2898.805345][ T7704] netdev_get_by_index+0x5e/0x80 [ 2898.805345][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2898.805345][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2898.805345][ T7704] ip6_route_add+0x1c/0x140 [ 2898.805345][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2898.805345][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2898.805345][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2898.805345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2898.805345][ T7704] netlink_rcv_skb+0x130/0x360 [ 2898.805345][ T7704] netlink_unicast+0x449/0x710 [ 2898.805345][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2898.805345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2898.805345][ T7704] ___sys_sendmsg+0xee/0x170 [ 2898.805345][ T7704] __sys_sendmsg+0xcd/0x170 [ 2898.805345][ T7704] do_syscall_64+0xc6/0x1e0 [ 2898.805345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2898.805345][ T7704] [ 2898.807634][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2898.807634][ T7704] netdev_get_by_index+0x5e/0x80 [ 2898.807634][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2898.807634][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2898.807634][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2898.807634][ T7704] ipv6_add_addr+0x411/0x2000 [ 2898.807634][ T7704] inet6_addr_add+0x30e/0xa40 [ 2898.807634][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2898.807634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2898.807634][ T7704] netlink_rcv_skb+0x130/0x360 [ 2898.807634][ T7704] netlink_unicast+0x449/0x710 [ 2898.807634][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2898.807634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2898.807634][ T7704] ___sys_sendmsg+0xee/0x170 [ 2898.807634][ T7704] __sys_sendmsg+0xcd/0x170 [ 2898.807634][ T7704] do_syscall_64+0xc6/0x1e0 [ 2898.807634][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2898.807634][ T7704] [ 2898.809888][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2898.809888][ T7704] netdev_get_by_index+0x5e/0x80 [ 2898.809888][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2898.809888][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2898.809888][ T7704] ip6_route_add+0x1c/0x140 [ 2898.809888][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2898.809888][ T7704] addrconf_add_dev+0xe2/0x170 [ 2898.809888][ T7704] inet6_addr_add+0x12f/0xa40 [ 2898.809888][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2898.809888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2898.809888][ T7704] netlink_rcv_skb+0x130/0x360 [ 2898.809888][ T7704] netlink_unicast+0x449/0x710 [ 2898.809888][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2898.809888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2898.809888][ T7704] ___sys_sendmsg+0xee/0x170 [ 2898.809888][ T7704] __sys_sendmsg+0xcd/0x170 [ 2898.809888][ T7704] do_syscall_64+0xc6/0x1e0 [ 2898.809888][ T7704] [ 2898.812100][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2898.812100][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2898.812100][ T7704] ipv6_find_idev+0x102/0x170 [ 2898.812100][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2898.812100][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2898.812100][ T7704] netlink_rcv_skb+0x130/0x360 [ 2898.812100][ T7704] netlink_unicast+0x449/0x710 [ 2898.812100][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2898.812100][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2898.812100][ T7704] ___sys_sendmsg+0xee/0x170 [ 2898.812100][ T7704] __sys_sendmsg+0xcd/0x170 [ 2898.812100][ T7704] do_syscall_64+0xc6/0x1e0 [ 2898.812100][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2898.812100][ T7704] [ 2898.813838][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2898.813838][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2898.813838][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2898.813838][ T7704] ipv6_find_idev+0x102/0x170 [ 2898.813838][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2898.813838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2898.813838][ T7704] netlink_rcv_skb+0x130/0x360 [ 2898.813838][ T7704] netlink_unicast+0x449/0x710 [ 2898.813838][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2898.813838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2898.813838][ T7704] ___sys_sendmsg+0xee/0x170 [ 2898.813838][ T7704] __sys_sendmsg+0xcd/0x170 [ 2898.813838][ T7704] do_syscall_64+0xc6/0x1e0 [ 2898.813838][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2898.813838][ T7704] [ 2908.844829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2908.845339][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2908.845339][ T7704] netdev_get_by_index+0x5e/0x80 [ 2908.845339][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2908.845339][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2908.845339][ T7704] ip6_route_add+0x1c/0x140 [ 2908.845339][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2908.845339][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2908.845339][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2908.845339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2908.845339][ T7704] netlink_rcv_skb+0x130/0x360 [ 2908.845339][ T7704] netlink_unicast+0x449/0x710 [ 2908.845339][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2908.845339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2908.845339][ T7704] ___sys_sendmsg+0xee/0x170 [ 2908.845339][ T7704] __sys_sendmsg+0xcd/0x170 [ 2908.845339][ T7704] do_syscall_64+0xc6/0x1e0 [ 2908.845339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2908.845339][ T7704] [ 2908.847606][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2908.847606][ T7704] netdev_get_by_index+0x5e/0x80 [ 2908.847606][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2908.847606][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2908.847606][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2908.847606][ T7704] ipv6_add_addr+0x411/0x2000 [ 2908.847606][ T7704] inet6_addr_add+0x30e/0xa40 [ 2908.847606][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2908.847606][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2908.847606][ T7704] netlink_rcv_skb+0x130/0x360 [ 2908.847606][ T7704] netlink_unicast+0x449/0x710 [ 2908.847606][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2908.847606][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2908.847606][ T7704] ___sys_sendmsg+0xee/0x170 [ 2908.847606][ T7704] __sys_sendmsg+0xcd/0x170 [ 2908.847606][ T7704] do_syscall_64+0xc6/0x1e0 [ 2908.847606][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2908.847606][ T7704] [ 2908.849832][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2908.849832][ T7704] netdev_get_by_index+0x5e/0x80 [ 2908.849832][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2908.849832][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2908.849832][ T7704] ip6_route_add+0x1c/0x140 [ 2908.849832][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2908.849832][ T7704] addrconf_add_dev+0xe2/0x170 [ 2908.849832][ T7704] inet6_addr_add+0x12f/0xa40 [ 2908.849832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2908.849832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2908.849832][ T7704] netlink_rcv_skb+0x130/0x360 [ 2908.849832][ T7704] netlink_unicast+0x449/0x710 [ 2908.849832][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2908.849832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2908.849832][ T7704] ___sys_sendmsg+0xee/0x170 [ 2908.849832][ T7704] __sys_sendmsg+0xcd/0x170 [ 2908.849832][ T7704] do_syscall_64+0xc6/0x1e0 [ 2908.849832][ T7704] [ 2908.852012][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2908.852012][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2908.852012][ T7704] ipv6_find_idev+0x102/0x170 [ 2908.852012][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2908.852012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2908.852012][ T7704] netlink_rcv_skb+0x130/0x360 [ 2908.852012][ T7704] netlink_unicast+0x449/0x710 [ 2908.852012][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2908.852012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2908.852012][ T7704] ___sys_sendmsg+0xee/0x170 [ 2908.852012][ T7704] __sys_sendmsg+0xcd/0x170 [ 2908.852012][ T7704] do_syscall_64+0xc6/0x1e0 [ 2908.852012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2908.852012][ T7704] [ 2908.853717][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2908.853717][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2908.853717][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2908.853717][ T7704] ipv6_find_idev+0x102/0x170 [ 2908.853717][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2908.853717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2908.853717][ T7704] netlink_rcv_skb+0x130/0x360 [ 2908.853717][ T7704] netlink_unicast+0x449/0x710 [ 2908.853717][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2908.853717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2908.853717][ T7704] ___sys_sendmsg+0xee/0x170 [ 2908.853717][ T7704] __sys_sendmsg+0xcd/0x170 [ 2908.853717][ T7704] do_syscall_64+0xc6/0x1e0 [ 2908.853717][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2908.853717][ T7704] [ 2918.956818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2918.957272][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2918.957272][ T7704] netdev_get_by_index+0x5e/0x80 [ 2918.957272][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2918.957272][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2918.957272][ T7704] ip6_route_add+0x1c/0x140 [ 2918.957272][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2918.957272][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2918.957272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2918.957272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.957272][ T7704] netlink_rcv_skb+0x130/0x360 [ 2918.957272][ T7704] netlink_unicast+0x449/0x710 [ 2918.957272][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2918.957272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2918.957272][ T7704] ___sys_sendmsg+0xee/0x170 [ 2918.957272][ T7704] __sys_sendmsg+0xcd/0x170 [ 2918.957272][ T7704] do_syscall_64+0xc6/0x1e0 [ 2918.957272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.957272][ T7704] [ 2918.959529][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2918.959529][ T7704] netdev_get_by_index+0x5e/0x80 [ 2918.959529][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2918.959529][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2918.959529][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2918.959529][ T7704] ipv6_add_addr+0x411/0x2000 [ 2918.959529][ T7704] inet6_addr_add+0x30e/0xa40 [ 2918.959529][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2918.959529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.959529][ T7704] netlink_rcv_skb+0x130/0x360 [ 2918.959529][ T7704] netlink_unicast+0x449/0x710 [ 2918.959529][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2918.959529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2918.959529][ T7704] ___sys_sendmsg+0xee/0x170 [ 2918.959529][ T7704] __sys_sendmsg+0xcd/0x170 [ 2918.959529][ T7704] do_syscall_64+0xc6/0x1e0 [ 2918.959529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.959529][ T7704] [ 2918.962286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2918.962286][ T7704] netdev_get_by_index+0x5e/0x80 [ 2918.962286][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2918.962286][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2918.962286][ T7704] ip6_route_add+0x1c/0x140 [ 2918.962286][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2918.962286][ T7704] addrconf_add_dev+0xe2/0x170 [ 2918.962286][ T7704] inet6_addr_add+0x12f/0xa40 [ 2918.962286][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2918.962286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.962286][ T7704] netlink_rcv_skb+0x130/0x360 [ 2918.962286][ T7704] netlink_unicast+0x449/0x710 [ 2918.962286][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2918.962286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2918.962286][ T7704] ___sys_sendmsg+0xee/0x170 [ 2918.962286][ T7704] __sys_sendmsg+0xcd/0x170 [ 2918.962286][ T7704] do_syscall_64+0xc6/0x1e0 [ 2918.962286][ T7704] [ 2918.964499][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2918.964499][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2918.964499][ T7704] ipv6_find_idev+0x102/0x170 [ 2918.964499][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2918.964499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.964499][ T7704] netlink_rcv_skb+0x130/0x360 [ 2918.964499][ T7704] netlink_unicast+0x449/0x710 [ 2918.964499][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2918.964499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2918.964499][ T7704] ___sys_sendmsg+0xee/0x170 [ 2918.964499][ T7704] __sys_sendmsg+0xcd/0x170 [ 2918.964499][ T7704] do_syscall_64+0xc6/0x1e0 [ 2918.964499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.964499][ T7704] [ 2918.966199][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2918.966199][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2918.966199][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2918.966199][ T7704] ipv6_find_idev+0x102/0x170 [ 2918.966199][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2918.966199][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.966199][ T7704] netlink_rcv_skb+0x130/0x360 [ 2918.966199][ T7704] netlink_unicast+0x449/0x710 [ 2918.966199][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2918.966199][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2918.966199][ T7704] ___sys_sendmsg+0xee/0x170 [ 2918.966199][ T7704] __sys_sendmsg+0xcd/0x170 [ 2918.966199][ T7704] do_syscall_64+0xc6/0x1e0 [ 2918.966199][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.966199][ T7704] [ 2929.204821][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2929.205272][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2929.205272][ T7704] netdev_get_by_index+0x5e/0x80 [ 2929.205272][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2929.205272][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2929.205272][ T7704] ip6_route_add+0x1c/0x140 [ 2929.205272][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2929.205272][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2929.205272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2929.205272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2929.205272][ T7704] netlink_rcv_skb+0x130/0x360 [ 2929.205272][ T7704] netlink_unicast+0x449/0x710 [ 2929.205272][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2929.205272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2929.205272][ T7704] ___sys_sendmsg+0xee/0x170 [ 2929.205272][ T7704] __sys_sendmsg+0xcd/0x170 [ 2929.205272][ T7704] do_syscall_64+0xc6/0x1e0 [ 2929.205272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2929.205272][ T7704] [ 2929.207565][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2929.207565][ T7704] netdev_get_by_index+0x5e/0x80 [ 2929.207565][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2929.207565][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2929.207565][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2929.207565][ T7704] ipv6_add_addr+0x411/0x2000 [ 2929.207565][ T7704] inet6_addr_add+0x30e/0xa40 [ 2929.207565][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2929.207565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2929.207565][ T7704] netlink_rcv_skb+0x130/0x360 [ 2929.207565][ T7704] netlink_unicast+0x449/0x710 [ 2929.207565][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2929.207565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2929.207565][ T7704] ___sys_sendmsg+0xee/0x170 [ 2929.207565][ T7704] __sys_sendmsg+0xcd/0x170 [ 2929.207565][ T7704] do_syscall_64+0xc6/0x1e0 [ 2929.207565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2929.207565][ T7704] [ 2929.209789][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2929.209789][ T7704] netdev_get_by_index+0x5e/0x80 [ 2929.209789][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2929.209789][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2929.209789][ T7704] ip6_route_add+0x1c/0x140 [ 2929.209789][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2929.209789][ T7704] addrconf_add_dev+0xe2/0x170 [ 2929.209789][ T7704] inet6_addr_add+0x12f/0xa40 [ 2929.209789][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2929.209789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2929.209789][ T7704] netlink_rcv_skb+0x130/0x360 [ 2929.209789][ T7704] netlink_unicast+0x449/0x710 [ 2929.209789][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2929.209789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2929.209789][ T7704] ___sys_sendmsg+0xee/0x170 [ 2929.209789][ T7704] __sys_sendmsg+0xcd/0x170 [ 2929.209789][ T7704] do_syscall_64+0xc6/0x1e0 [ 2929.209789][ T7704] [ 2929.212017][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2929.212017][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2929.212017][ T7704] ipv6_find_idev+0x102/0x170 [ 2929.212017][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2929.212017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2929.212017][ T7704] netlink_rcv_skb+0x130/0x360 [ 2929.212017][ T7704] netlink_unicast+0x449/0x710 [ 2929.212017][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2929.212017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2929.212017][ T7704] ___sys_sendmsg+0xee/0x170 [ 2929.212017][ T7704] __sys_sendmsg+0xcd/0x170 [ 2929.212017][ T7704] do_syscall_64+0xc6/0x1e0 [ 2929.212017][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2929.212017][ T7704] [ 2929.213723][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2929.213723][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2929.213723][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2929.213723][ T7704] ipv6_find_idev+0x102/0x170 [ 2929.213723][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2929.213723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2929.213723][ T7704] netlink_rcv_skb+0x130/0x360 [ 2929.213723][ T7704] netlink_unicast+0x449/0x710 [ 2929.213723][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2929.213723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2929.213723][ T7704] ___sys_sendmsg+0xee/0x170 [ 2929.213723][ T7704] __sys_sendmsg+0xcd/0x170 [ 2929.213723][ T7704] do_syscall_64+0xc6/0x1e0 [ 2929.213723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2929.213723][ T7704] [ 2939.236747][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2939.237202][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2939.237202][ T7704] netdev_get_by_index+0x5e/0x80 [ 2939.237202][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2939.237202][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2939.237202][ T7704] ip6_route_add+0x1c/0x140 [ 2939.237202][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2939.237202][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2939.237202][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2939.237202][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2939.237202][ T7704] netlink_rcv_skb+0x130/0x360 [ 2939.237202][ T7704] netlink_unicast+0x449/0x710 [ 2939.237202][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2939.237202][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2939.237202][ T7704] ___sys_sendmsg+0xee/0x170 [ 2939.237202][ T7704] __sys_sendmsg+0xcd/0x170 [ 2939.237202][ T7704] do_syscall_64+0xc6/0x1e0 [ 2939.237202][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2939.237202][ T7704] [ 2939.239437][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2939.239437][ T7704] netdev_get_by_index+0x5e/0x80 [ 2939.239437][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2939.239437][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2939.239437][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2939.239437][ T7704] ipv6_add_addr+0x411/0x2000 [ 2939.239437][ T7704] inet6_addr_add+0x30e/0xa40 [ 2939.239437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2939.239437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2939.239437][ T7704] netlink_rcv_skb+0x130/0x360 [ 2939.239437][ T7704] netlink_unicast+0x449/0x710 [ 2939.239437][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2939.239437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2939.239437][ T7704] ___sys_sendmsg+0xee/0x170 [ 2939.239437][ T7704] __sys_sendmsg+0xcd/0x170 [ 2939.239437][ T7704] do_syscall_64+0xc6/0x1e0 [ 2939.239437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2939.239437][ T7704] [ 2939.241662][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2939.241662][ T7704] netdev_get_by_index+0x5e/0x80 [ 2939.241662][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2939.241662][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2939.241662][ T7704] ip6_route_add+0x1c/0x140 [ 2939.241662][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2939.241662][ T7704] addrconf_add_dev+0xe2/0x170 [ 2939.241662][ T7704] inet6_addr_add+0x12f/0xa40 [ 2939.241662][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2939.241662][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2939.241662][ T7704] netlink_rcv_skb+0x130/0x360 [ 2939.241662][ T7704] netlink_unicast+0x449/0x710 [ 2939.241662][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2939.241662][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2939.241662][ T7704] ___sys_sendmsg+0xee/0x170 [ 2939.241662][ T7704] __sys_sendmsg+0xcd/0x170 [ 2939.241662][ T7704] do_syscall_64+0xc6/0x1e0 [ 2939.241662][ T7704] [ 2939.243845][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2939.243845][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2939.243845][ T7704] ipv6_find_idev+0x102/0x170 [ 2939.243845][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2939.243845][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2939.243845][ T7704] netlink_rcv_skb+0x130/0x360 [ 2939.243845][ T7704] netlink_unicast+0x449/0x710 [ 2939.243845][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2939.243845][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2939.243845][ T7704] ___sys_sendmsg+0xee/0x170 [ 2939.243845][ T7704] __sys_sendmsg+0xcd/0x170 [ 2939.243845][ T7704] do_syscall_64+0xc6/0x1e0 [ 2939.243845][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2939.243845][ T7704] [ 2939.245544][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2939.245544][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2939.245544][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2939.245544][ T7704] ipv6_find_idev+0x102/0x170 [ 2939.245544][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2939.245544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2939.245544][ T7704] netlink_rcv_skb+0x130/0x360 [ 2939.245544][ T7704] netlink_unicast+0x449/0x710 [ 2939.245544][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2939.245544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2939.245544][ T7704] ___sys_sendmsg+0xee/0x170 [ 2939.245544][ T7704] __sys_sendmsg+0xcd/0x170 [ 2939.245544][ T7704] do_syscall_64+0xc6/0x1e0 [ 2939.245544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2939.245544][ T7704] [ 2949.484834][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2949.485357][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2949.485357][ T7704] netdev_get_by_index+0x5e/0x80 [ 2949.485357][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2949.485357][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2949.485357][ T7704] ip6_route_add+0x1c/0x140 [ 2949.485357][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2949.485357][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2949.485357][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2949.485357][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2949.485357][ T7704] netlink_rcv_skb+0x130/0x360 [ 2949.485357][ T7704] netlink_unicast+0x449/0x710 [ 2949.485357][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2949.485357][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2949.485357][ T7704] ___sys_sendmsg+0xee/0x170 [ 2949.485357][ T7704] __sys_sendmsg+0xcd/0x170 [ 2949.485357][ T7704] do_syscall_64+0xc6/0x1e0 [ 2949.485357][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2949.485357][ T7704] [ 2949.487601][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2949.487601][ T7704] netdev_get_by_index+0x5e/0x80 [ 2949.487601][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2949.487601][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2949.487601][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2949.487601][ T7704] ipv6_add_addr+0x411/0x2000 [ 2949.487601][ T7704] inet6_addr_add+0x30e/0xa40 [ 2949.487601][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2949.487601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2949.487601][ T7704] netlink_rcv_skb+0x130/0x360 [ 2949.487601][ T7704] netlink_unicast+0x449/0x710 [ 2949.487601][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2949.487601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2949.487601][ T7704] ___sys_sendmsg+0xee/0x170 [ 2949.487601][ T7704] __sys_sendmsg+0xcd/0x170 [ 2949.487601][ T7704] do_syscall_64+0xc6/0x1e0 [ 2949.487601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2949.487601][ T7704] [ 2949.489817][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2949.489817][ T7704] netdev_get_by_index+0x5e/0x80 [ 2949.489817][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2949.489817][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2949.489817][ T7704] ip6_route_add+0x1c/0x140 [ 2949.489817][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2949.489817][ T7704] addrconf_add_dev+0xe2/0x170 [ 2949.489817][ T7704] inet6_addr_add+0x12f/0xa40 [ 2949.489817][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2949.489817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2949.489817][ T7704] netlink_rcv_skb+0x130/0x360 [ 2949.489817][ T7704] netlink_unicast+0x449/0x710 [ 2949.489817][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2949.489817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2949.489817][ T7704] ___sys_sendmsg+0xee/0x170 [ 2949.489817][ T7704] __sys_sendmsg+0xcd/0x170 [ 2949.489817][ T7704] do_syscall_64+0xc6/0x1e0 [ 2949.489817][ T7704] [ 2949.491991][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2949.491991][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2949.491991][ T7704] ipv6_find_idev+0x102/0x170 [ 2949.491991][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2949.491991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2949.491991][ T7704] netlink_rcv_skb+0x130/0x360 [ 2949.491991][ T7704] netlink_unicast+0x449/0x710 [ 2949.491991][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2949.491991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2949.491991][ T7704] ___sys_sendmsg+0xee/0x170 [ 2949.491991][ T7704] __sys_sendmsg+0xcd/0x170 [ 2949.491991][ T7704] do_syscall_64+0xc6/0x1e0 [ 2949.491991][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2949.491991][ T7704] [ 2949.493705][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2949.493705][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2949.493705][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2949.493705][ T7704] ipv6_find_idev+0x102/0x170 [ 2949.493705][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2949.493705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2949.493705][ T7704] netlink_rcv_skb+0x130/0x360 [ 2949.493705][ T7704] netlink_unicast+0x449/0x710 [ 2949.493705][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2949.493705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2949.493705][ T7704] ___sys_sendmsg+0xee/0x170 [ 2949.493705][ T7704] __sys_sendmsg+0xcd/0x170 [ 2949.493705][ T7704] do_syscall_64+0xc6/0x1e0 [ 2949.493705][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2949.493705][ T7704] [ 2959.700814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2959.701280][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2959.701280][ T7704] netdev_get_by_index+0x5e/0x80 [ 2959.701280][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2959.701280][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2959.701280][ T7704] ip6_route_add+0x1c/0x140 [ 2959.701280][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2959.701280][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2959.701280][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2959.701280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.701280][ T7704] netlink_rcv_skb+0x130/0x360 [ 2959.701280][ T7704] netlink_unicast+0x449/0x710 [ 2959.701280][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2959.701280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2959.701280][ T7704] ___sys_sendmsg+0xee/0x170 [ 2959.701280][ T7704] __sys_sendmsg+0xcd/0x170 [ 2959.701280][ T7704] do_syscall_64+0xc6/0x1e0 [ 2959.701280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.701280][ T7704] [ 2959.703507][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2959.703507][ T7704] netdev_get_by_index+0x5e/0x80 [ 2959.703507][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2959.703507][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2959.703507][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2959.703507][ T7704] ipv6_add_addr+0x411/0x2000 [ 2959.703507][ T7704] inet6_addr_add+0x30e/0xa40 [ 2959.703507][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2959.703507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.703507][ T7704] netlink_rcv_skb+0x130/0x360 [ 2959.703507][ T7704] netlink_unicast+0x449/0x710 [ 2959.703507][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2959.703507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2959.703507][ T7704] ___sys_sendmsg+0xee/0x170 [ 2959.703507][ T7704] __sys_sendmsg+0xcd/0x170 [ 2959.703507][ T7704] do_syscall_64+0xc6/0x1e0 [ 2959.703507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.703507][ T7704] [ 2959.705714][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2959.705714][ T7704] netdev_get_by_index+0x5e/0x80 [ 2959.705714][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2959.705714][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2959.705714][ T7704] ip6_route_add+0x1c/0x140 [ 2959.705714][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2959.705714][ T7704] addrconf_add_dev+0xe2/0x170 [ 2959.705714][ T7704] inet6_addr_add+0x12f/0xa40 [ 2959.705714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2959.705714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.705714][ T7704] netlink_rcv_skb+0x130/0x360 [ 2959.705714][ T7704] netlink_unicast+0x449/0x710 [ 2959.705714][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2959.705714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2959.705714][ T7704] ___sys_sendmsg+0xee/0x170 [ 2959.705714][ T7704] __sys_sendmsg+0xcd/0x170 [ 2959.705714][ T7704] do_syscall_64+0xc6/0x1e0 [ 2959.705714][ T7704] [ 2959.707901][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2959.707901][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2959.707901][ T7704] ipv6_find_idev+0x102/0x170 [ 2959.707901][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.707901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.707901][ T7704] netlink_rcv_skb+0x130/0x360 [ 2959.707901][ T7704] netlink_unicast+0x449/0x710 [ 2959.707901][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2959.707901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2959.707901][ T7704] ___sys_sendmsg+0xee/0x170 [ 2959.707901][ T7704] __sys_sendmsg+0xcd/0x170 [ 2959.707901][ T7704] do_syscall_64+0xc6/0x1e0 [ 2959.707901][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.707901][ T7704] [ 2959.709641][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2959.709641][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2959.709641][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2959.709641][ T7704] ipv6_find_idev+0x102/0x170 [ 2959.709641][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.709641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.709641][ T7704] netlink_rcv_skb+0x130/0x360 [ 2959.709641][ T7704] netlink_unicast+0x449/0x710 [ 2959.709641][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2959.709641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2959.709641][ T7704] ___sys_sendmsg+0xee/0x170 [ 2959.709641][ T7704] __sys_sendmsg+0xcd/0x170 [ 2959.709641][ T7704] do_syscall_64+0xc6/0x1e0 [ 2959.709641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.709641][ T7704] [ 2970.332987][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2970.333510][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2970.333510][ T7704] netdev_get_by_index+0x5e/0x80 [ 2970.333510][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2970.333510][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2970.333510][ T7704] ip6_route_add+0x1c/0x140 [ 2970.333510][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2970.333510][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2970.333510][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2970.333510][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2970.333510][ T7704] netlink_rcv_skb+0x130/0x360 [ 2970.333510][ T7704] netlink_unicast+0x449/0x710 [ 2970.333510][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2970.333510][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2970.333510][ T7704] ___sys_sendmsg+0xee/0x170 [ 2970.333510][ T7704] __sys_sendmsg+0xcd/0x170 [ 2970.333510][ T7704] do_syscall_64+0xc6/0x1e0 [ 2970.333510][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2970.333510][ T7704] [ 2970.335762][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2970.335762][ T7704] netdev_get_by_index+0x5e/0x80 [ 2970.335762][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2970.335762][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2970.335762][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2970.335762][ T7704] ipv6_add_addr+0x411/0x2000 [ 2970.335762][ T7704] inet6_addr_add+0x30e/0xa40 [ 2970.335762][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2970.335762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2970.335762][ T7704] netlink_rcv_skb+0x130/0x360 [ 2970.335762][ T7704] netlink_unicast+0x449/0x710 [ 2970.335762][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2970.335762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2970.335762][ T7704] ___sys_sendmsg+0xee/0x170 [ 2970.335762][ T7704] __sys_sendmsg+0xcd/0x170 [ 2970.335762][ T7704] do_syscall_64+0xc6/0x1e0 [ 2970.335762][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2970.335762][ T7704] [ 2970.337987][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2970.337987][ T7704] netdev_get_by_index+0x5e/0x80 [ 2970.337987][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2970.337987][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2970.337987][ T7704] ip6_route_add+0x1c/0x140 [ 2970.337987][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2970.337987][ T7704] addrconf_add_dev+0xe2/0x170 [ 2970.337987][ T7704] inet6_addr_add+0x12f/0xa40 [ 2970.337987][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2970.337987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2970.337987][ T7704] netlink_rcv_skb+0x130/0x360 [ 2970.337987][ T7704] netlink_unicast+0x449/0x710 [ 2970.337987][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2970.337987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2970.337987][ T7704] ___sys_sendmsg+0xee/0x170 [ 2970.337987][ T7704] __sys_sendmsg+0xcd/0x170 [ 2970.337987][ T7704] do_syscall_64+0xc6/0x1e0 [ 2970.337987][ T7704] [ 2970.340172][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2970.340172][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2970.340172][ T7704] ipv6_find_idev+0x102/0x170 [ 2970.340172][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2970.340172][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2970.340172][ T7704] netlink_rcv_skb+0x130/0x360 [ 2970.340172][ T7704] netlink_unicast+0x449/0x710 [ 2970.340172][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2970.340172][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2970.340172][ T7704] ___sys_sendmsg+0xee/0x170 [ 2970.340172][ T7704] __sys_sendmsg+0xcd/0x170 [ 2970.340172][ T7704] do_syscall_64+0xc6/0x1e0 [ 2970.340172][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2970.340172][ T7704] [ 2970.341880][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2970.341880][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2970.341880][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2970.341880][ T7704] ipv6_find_idev+0x102/0x170 [ 2970.341880][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2970.341880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2970.341880][ T7704] netlink_rcv_skb+0x130/0x360 [ 2970.341880][ T7704] netlink_unicast+0x449/0x710 [ 2970.341880][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2970.341880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2970.341880][ T7704] ___sys_sendmsg+0xee/0x170 [ 2970.341880][ T7704] __sys_sendmsg+0xcd/0x170 [ 2970.341880][ T7704] do_syscall_64+0xc6/0x1e0 [ 2970.341880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2970.341880][ T7704] [ 2980.588822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2980.589291][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2980.589291][ T7704] netdev_get_by_index+0x5e/0x80 [ 2980.589291][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2980.589291][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2980.589291][ T7704] ip6_route_add+0x1c/0x140 [ 2980.589291][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2980.589291][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2980.589291][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2980.589291][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2980.589291][ T7704] netlink_rcv_skb+0x130/0x360 [ 2980.589291][ T7704] netlink_unicast+0x449/0x710 [ 2980.589291][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2980.589291][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2980.589291][ T7704] ___sys_sendmsg+0xee/0x170 [ 2980.589291][ T7704] __sys_sendmsg+0xcd/0x170 [ 2980.589291][ T7704] do_syscall_64+0xc6/0x1e0 [ 2980.589291][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2980.589291][ T7704] [ 2980.591732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2980.591732][ T7704] netdev_get_by_index+0x5e/0x80 [ 2980.591732][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2980.591732][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2980.591732][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2980.591732][ T7704] ipv6_add_addr+0x411/0x2000 [ 2980.591732][ T7704] inet6_addr_add+0x30e/0xa40 [ 2980.591732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2980.591732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2980.591732][ T7704] netlink_rcv_skb+0x130/0x360 [ 2980.591732][ T7704] netlink_unicast+0x449/0x710 [ 2980.591732][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2980.591732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2980.591732][ T7704] ___sys_sendmsg+0xee/0x170 [ 2980.591732][ T7704] __sys_sendmsg+0xcd/0x170 [ 2980.591732][ T7704] do_syscall_64+0xc6/0x1e0 [ 2980.591732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2980.591732][ T7704] [ 2980.594168][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2980.594168][ T7704] netdev_get_by_index+0x5e/0x80 [ 2980.594168][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2980.594168][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2980.594168][ T7704] ip6_route_add+0x1c/0x140 [ 2980.594168][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2980.594168][ T7704] addrconf_add_dev+0xe2/0x170 [ 2980.594168][ T7704] inet6_addr_add+0x12f/0xa40 [ 2980.594168][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2980.594168][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2980.594168][ T7704] netlink_rcv_skb+0x130/0x360 [ 2980.594168][ T7704] netlink_unicast+0x449/0x710 [ 2980.594168][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2980.594168][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2980.594168][ T7704] ___sys_sendmsg+0xee/0x170 [ 2980.594168][ T7704] __sys_sendmsg+0xcd/0x170 [ 2980.594168][ T7704] do_syscall_64+0xc6/0x1e0 [ 2980.594168][ T7704] [ 2980.596565][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2980.596565][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2980.596565][ T7704] ipv6_find_idev+0x102/0x170 [ 2980.596565][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2980.596565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2980.596565][ T7704] netlink_rcv_skb+0x130/0x360 [ 2980.596565][ T7704] netlink_unicast+0x449/0x710 [ 2980.596565][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2980.596565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2980.596565][ T7704] ___sys_sendmsg+0xee/0x170 [ 2980.596565][ T7704] __sys_sendmsg+0xcd/0x170 [ 2980.596565][ T7704] do_syscall_64+0xc6/0x1e0 [ 2980.596565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2980.596565][ T7704] [ 2980.598447][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2980.598447][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2980.598447][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2980.598447][ T7704] ipv6_find_idev+0x102/0x170 [ 2980.598447][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2980.598447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2980.598447][ T7704] netlink_rcv_skb+0x130/0x360 [ 2980.598447][ T7704] netlink_unicast+0x449/0x710 [ 2980.598447][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2980.598447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2980.598447][ T7704] ___sys_sendmsg+0xee/0x170 [ 2980.598447][ T7704] __sys_sendmsg+0xcd/0x170 [ 2980.598447][ T7704] do_syscall_64+0xc6/0x1e0 [ 2980.598447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2980.598447][ T7704] [ 2990.724866][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 2990.725414][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2990.725414][ T7704] netdev_get_by_index+0x5e/0x80 [ 2990.725414][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2990.725414][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2990.725414][ T7704] ip6_route_add+0x1c/0x140 [ 2990.725414][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 2990.725414][ T7704] inet6_addr_add+0x4f8/0xa40 [ 2990.725414][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2990.725414][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2990.725414][ T7704] netlink_rcv_skb+0x130/0x360 [ 2990.725414][ T7704] netlink_unicast+0x449/0x710 [ 2990.725414][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2990.725414][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2990.725414][ T7704] ___sys_sendmsg+0xee/0x170 [ 2990.725414][ T7704] __sys_sendmsg+0xcd/0x170 [ 2990.725414][ T7704] do_syscall_64+0xc6/0x1e0 [ 2990.725414][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2990.725414][ T7704] [ 2990.727720][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2990.727720][ T7704] netdev_get_by_index+0x5e/0x80 [ 2990.727720][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2990.727720][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2990.727720][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 2990.727720][ T7704] ipv6_add_addr+0x411/0x2000 [ 2990.727720][ T7704] inet6_addr_add+0x30e/0xa40 [ 2990.727720][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2990.727720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2990.727720][ T7704] netlink_rcv_skb+0x130/0x360 [ 2990.727720][ T7704] netlink_unicast+0x449/0x710 [ 2990.727720][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2990.727720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2990.727720][ T7704] ___sys_sendmsg+0xee/0x170 [ 2990.727720][ T7704] __sys_sendmsg+0xcd/0x170 [ 2990.727720][ T7704] do_syscall_64+0xc6/0x1e0 [ 2990.727720][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2990.727720][ T7704] [ 2990.729978][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2990.729978][ T7704] netdev_get_by_index+0x5e/0x80 [ 2990.729978][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 2990.729978][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 2990.729978][ T7704] ip6_route_add+0x1c/0x140 [ 2990.729978][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 2990.729978][ T7704] addrconf_add_dev+0xe2/0x170 [ 2990.729978][ T7704] inet6_addr_add+0x12f/0xa40 [ 2990.729978][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 2990.729978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2990.729978][ T7704] netlink_rcv_skb+0x130/0x360 [ 2990.729978][ T7704] netlink_unicast+0x449/0x710 [ 2990.729978][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2990.729978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2990.729978][ T7704] ___sys_sendmsg+0xee/0x170 [ 2990.729978][ T7704] __sys_sendmsg+0xcd/0x170 [ 2990.729978][ T7704] do_syscall_64+0xc6/0x1e0 [ 2990.729978][ T7704] [ 2990.732184][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2990.732184][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 2990.732184][ T7704] ipv6_find_idev+0x102/0x170 [ 2990.732184][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2990.732184][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2990.732184][ T7704] netlink_rcv_skb+0x130/0x360 [ 2990.732184][ T7704] netlink_unicast+0x449/0x710 [ 2990.732184][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2990.732184][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2990.732184][ T7704] ___sys_sendmsg+0xee/0x170 [ 2990.732184][ T7704] __sys_sendmsg+0xcd/0x170 [ 2990.732184][ T7704] do_syscall_64+0xc6/0x1e0 [ 2990.732184][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2990.732184][ T7704] [ 2990.733921][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 2990.733921][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 2990.733921][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 2990.733921][ T7704] ipv6_find_idev+0x102/0x170 [ 2990.733921][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 2990.733921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2990.733921][ T7704] netlink_rcv_skb+0x130/0x360 [ 2990.733921][ T7704] netlink_unicast+0x449/0x710 [ 2990.733921][ T7704] netlink_sendmsg+0x723/0xbe0 [ 2990.733921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 2990.733921][ T7704] ___sys_sendmsg+0xee/0x170 [ 2990.733921][ T7704] __sys_sendmsg+0xcd/0x170 [ 2990.733921][ T7704] do_syscall_64+0xc6/0x1e0 [ 2990.733921][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2990.733921][ T7704] [ 3000.796837][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3000.797381][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3000.797381][ T7704] netdev_get_by_index+0x5e/0x80 [ 3000.797381][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3000.797381][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3000.797381][ T7704] ip6_route_add+0x1c/0x140 [ 3000.797381][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3000.797381][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3000.797381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3000.797381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3000.797381][ T7704] netlink_rcv_skb+0x130/0x360 [ 3000.797381][ T7704] netlink_unicast+0x449/0x710 [ 3000.797381][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3000.797381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3000.797381][ T7704] ___sys_sendmsg+0xee/0x170 [ 3000.797381][ T7704] __sys_sendmsg+0xcd/0x170 [ 3000.797381][ T7704] do_syscall_64+0xc6/0x1e0 [ 3000.797381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3000.797381][ T7704] [ 3000.799654][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3000.799654][ T7704] netdev_get_by_index+0x5e/0x80 [ 3000.799654][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3000.799654][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3000.799654][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3000.799654][ T7704] ipv6_add_addr+0x411/0x2000 [ 3000.799654][ T7704] inet6_addr_add+0x30e/0xa40 [ 3000.799654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3000.799654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3000.799654][ T7704] netlink_rcv_skb+0x130/0x360 [ 3000.799654][ T7704] netlink_unicast+0x449/0x710 [ 3000.799654][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3000.799654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3000.799654][ T7704] ___sys_sendmsg+0xee/0x170 [ 3000.799654][ T7704] __sys_sendmsg+0xcd/0x170 [ 3000.799654][ T7704] do_syscall_64+0xc6/0x1e0 [ 3000.799654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3000.799654][ T7704] [ 3000.801890][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3000.801890][ T7704] netdev_get_by_index+0x5e/0x80 [ 3000.801890][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3000.801890][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3000.801890][ T7704] ip6_route_add+0x1c/0x140 [ 3000.801890][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3000.801890][ T7704] addrconf_add_dev+0xe2/0x170 [ 3000.801890][ T7704] inet6_addr_add+0x12f/0xa40 [ 3000.801890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3000.801890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3000.801890][ T7704] netlink_rcv_skb+0x130/0x360 [ 3000.801890][ T7704] netlink_unicast+0x449/0x710 [ 3000.801890][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3000.801890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3000.801890][ T7704] ___sys_sendmsg+0xee/0x170 [ 3000.801890][ T7704] __sys_sendmsg+0xcd/0x170 [ 3000.801890][ T7704] do_syscall_64+0xc6/0x1e0 [ 3000.801890][ T7704] [ 3000.804093][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3000.804093][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3000.804093][ T7704] ipv6_find_idev+0x102/0x170 [ 3000.804093][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3000.804093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3000.804093][ T7704] netlink_rcv_skb+0x130/0x360 [ 3000.804093][ T7704] netlink_unicast+0x449/0x710 [ 3000.804093][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3000.804093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3000.804093][ T7704] ___sys_sendmsg+0xee/0x170 [ 3000.804093][ T7704] __sys_sendmsg+0xcd/0x170 [ 3000.804093][ T7704] do_syscall_64+0xc6/0x1e0 [ 3000.804093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3000.804093][ T7704] [ 3000.805814][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3000.805814][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3000.805814][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3000.805814][ T7704] ipv6_find_idev+0x102/0x170 [ 3000.805814][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3000.805814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3000.805814][ T7704] netlink_rcv_skb+0x130/0x360 [ 3000.805814][ T7704] netlink_unicast+0x449/0x710 [ 3000.805814][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3000.805814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3000.805814][ T7704] ___sys_sendmsg+0xee/0x170 [ 3000.805814][ T7704] __sys_sendmsg+0xcd/0x170 [ 3000.805814][ T7704] do_syscall_64+0xc6/0x1e0 [ 3000.805814][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3000.805814][ T7704] [ 3011.044843][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3011.045388][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3011.045388][ T7704] netdev_get_by_index+0x5e/0x80 [ 3011.045388][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3011.045388][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3011.045388][ T7704] ip6_route_add+0x1c/0x140 [ 3011.045388][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3011.045388][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3011.045388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3011.045388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3011.045388][ T7704] netlink_rcv_skb+0x130/0x360 [ 3011.045388][ T7704] netlink_unicast+0x449/0x710 [ 3011.045388][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3011.045388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3011.045388][ T7704] ___sys_sendmsg+0xee/0x170 [ 3011.045388][ T7704] __sys_sendmsg+0xcd/0x170 [ 3011.045388][ T7704] do_syscall_64+0xc6/0x1e0 [ 3011.045388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3011.045388][ T7704] [ 3011.047670][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3011.047670][ T7704] netdev_get_by_index+0x5e/0x80 [ 3011.047670][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3011.047670][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3011.047670][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3011.047670][ T7704] ipv6_add_addr+0x411/0x2000 [ 3011.047670][ T7704] inet6_addr_add+0x30e/0xa40 [ 3011.047670][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3011.047670][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3011.047670][ T7704] netlink_rcv_skb+0x130/0x360 [ 3011.047670][ T7704] netlink_unicast+0x449/0x710 [ 3011.047670][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3011.047670][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3011.047670][ T7704] ___sys_sendmsg+0xee/0x170 [ 3011.047670][ T7704] __sys_sendmsg+0xcd/0x170 [ 3011.047670][ T7704] do_syscall_64+0xc6/0x1e0 [ 3011.047670][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3011.047670][ T7704] [ 3011.049908][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3011.049908][ T7704] netdev_get_by_index+0x5e/0x80 [ 3011.049908][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3011.049908][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3011.049908][ T7704] ip6_route_add+0x1c/0x140 [ 3011.049908][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3011.049908][ T7704] addrconf_add_dev+0xe2/0x170 [ 3011.049908][ T7704] inet6_addr_add+0x12f/0xa40 [ 3011.049908][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3011.049908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3011.049908][ T7704] netlink_rcv_skb+0x130/0x360 [ 3011.049908][ T7704] netlink_unicast+0x449/0x710 [ 3011.049908][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3011.049908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3011.049908][ T7704] ___sys_sendmsg+0xee/0x170 [ 3011.049908][ T7704] __sys_sendmsg+0xcd/0x170 [ 3011.049908][ T7704] do_syscall_64+0xc6/0x1e0 [ 3011.049908][ T7704] [ 3011.052110][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3011.052110][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3011.052110][ T7704] ipv6_find_idev+0x102/0x170 [ 3011.052110][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3011.052110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3011.052110][ T7704] netlink_rcv_skb+0x130/0x360 [ 3011.052110][ T7704] netlink_unicast+0x449/0x710 [ 3011.052110][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3011.052110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3011.052110][ T7704] ___sys_sendmsg+0xee/0x170 [ 3011.052110][ T7704] __sys_sendmsg+0xcd/0x170 [ 3011.052110][ T7704] do_syscall_64+0xc6/0x1e0 [ 3011.052110][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3011.052110][ T7704] [ 3011.053824][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3011.053824][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3011.053824][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3011.053824][ T7704] ipv6_find_idev+0x102/0x170 [ 3011.053824][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3011.053824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3011.053824][ T7704] netlink_rcv_skb+0x130/0x360 [ 3011.053824][ T7704] netlink_unicast+0x449/0x710 [ 3011.053824][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3011.053824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3011.053824][ T7704] ___sys_sendmsg+0xee/0x170 [ 3011.053824][ T7704] __sys_sendmsg+0xcd/0x170 [ 3011.053824][ T7704] do_syscall_64+0xc6/0x1e0 [ 3011.053824][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3011.053824][ T7704] [ 3021.084814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3021.085303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3021.085303][ T7704] netdev_get_by_index+0x5e/0x80 [ 3021.085303][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3021.085303][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3021.085303][ T7704] ip6_route_add+0x1c/0x140 [ 3021.085303][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3021.085303][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3021.085303][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3021.085303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3021.085303][ T7704] netlink_rcv_skb+0x130/0x360 [ 3021.085303][ T7704] netlink_unicast+0x449/0x710 [ 3021.085303][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3021.085303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3021.085303][ T7704] ___sys_sendmsg+0xee/0x170 [ 3021.085303][ T7704] __sys_sendmsg+0xcd/0x170 [ 3021.085303][ T7704] do_syscall_64+0xc6/0x1e0 [ 3021.085303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3021.085303][ T7704] [ 3021.087698][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3021.087698][ T7704] netdev_get_by_index+0x5e/0x80 [ 3021.087698][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3021.087698][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3021.087698][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3021.087698][ T7704] ipv6_add_addr+0x411/0x2000 [ 3021.087698][ T7704] inet6_addr_add+0x30e/0xa40 [ 3021.087698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3021.087698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3021.087698][ T7704] netlink_rcv_skb+0x130/0x360 [ 3021.087698][ T7704] netlink_unicast+0x449/0x710 [ 3021.087698][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3021.087698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3021.087698][ T7704] ___sys_sendmsg+0xee/0x170 [ 3021.087698][ T7704] __sys_sendmsg+0xcd/0x170 [ 3021.087698][ T7704] do_syscall_64+0xc6/0x1e0 [ 3021.087698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3021.087698][ T7704] [ 3021.089936][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3021.089936][ T7704] netdev_get_by_index+0x5e/0x80 [ 3021.089936][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3021.089936][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3021.089936][ T7704] ip6_route_add+0x1c/0x140 [ 3021.089936][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3021.089936][ T7704] addrconf_add_dev+0xe2/0x170 [ 3021.089936][ T7704] inet6_addr_add+0x12f/0xa40 [ 3021.089936][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3021.089936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3021.089936][ T7704] netlink_rcv_skb+0x130/0x360 [ 3021.089936][ T7704] netlink_unicast+0x449/0x710 [ 3021.089936][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3021.089936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3021.089936][ T7704] ___sys_sendmsg+0xee/0x170 [ 3021.089936][ T7704] __sys_sendmsg+0xcd/0x170 [ 3021.089936][ T7704] do_syscall_64+0xc6/0x1e0 [ 3021.089936][ T7704] [ 3021.092149][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3021.092149][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3021.092149][ T7704] ipv6_find_idev+0x102/0x170 [ 3021.092149][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3021.092149][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3021.092149][ T7704] netlink_rcv_skb+0x130/0x360 [ 3021.092149][ T7704] netlink_unicast+0x449/0x710 [ 3021.092149][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3021.092149][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3021.092149][ T7704] ___sys_sendmsg+0xee/0x170 [ 3021.092149][ T7704] __sys_sendmsg+0xcd/0x170 [ 3021.092149][ T7704] do_syscall_64+0xc6/0x1e0 [ 3021.092149][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3021.092149][ T7704] [ 3021.093870][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3021.093870][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3021.093870][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3021.093870][ T7704] ipv6_find_idev+0x102/0x170 [ 3021.093870][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3021.093870][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3021.093870][ T7704] netlink_rcv_skb+0x130/0x360 [ 3021.093870][ T7704] netlink_unicast+0x449/0x710 [ 3021.093870][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3021.093870][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3021.093870][ T7704] ___sys_sendmsg+0xee/0x170 [ 3021.093870][ T7704] __sys_sendmsg+0xcd/0x170 [ 3021.093870][ T7704] do_syscall_64+0xc6/0x1e0 [ 3021.093870][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3021.093870][ T7704] [ 3031.132849][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3031.133384][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3031.133384][ T7704] netdev_get_by_index+0x5e/0x80 [ 3031.133384][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3031.133384][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3031.133384][ T7704] ip6_route_add+0x1c/0x140 [ 3031.133384][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3031.133384][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3031.133384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3031.133384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3031.133384][ T7704] netlink_rcv_skb+0x130/0x360 [ 3031.133384][ T7704] netlink_unicast+0x449/0x710 [ 3031.133384][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3031.133384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3031.133384][ T7704] ___sys_sendmsg+0xee/0x170 [ 3031.133384][ T7704] __sys_sendmsg+0xcd/0x170 [ 3031.133384][ T7704] do_syscall_64+0xc6/0x1e0 [ 3031.133384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3031.133384][ T7704] [ 3031.135779][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3031.135779][ T7704] netdev_get_by_index+0x5e/0x80 [ 3031.135779][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3031.135779][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3031.135779][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3031.135779][ T7704] ipv6_add_addr+0x411/0x2000 [ 3031.135779][ T7704] inet6_addr_add+0x30e/0xa40 [ 3031.135779][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3031.135779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3031.135779][ T7704] netlink_rcv_skb+0x130/0x360 [ 3031.135779][ T7704] netlink_unicast+0x449/0x710 [ 3031.135779][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3031.135779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3031.135779][ T7704] ___sys_sendmsg+0xee/0x170 [ 3031.135779][ T7704] __sys_sendmsg+0xcd/0x170 [ 3031.135779][ T7704] do_syscall_64+0xc6/0x1e0 [ 3031.135779][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3031.135779][ T7704] [ 3031.138026][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3031.138026][ T7704] netdev_get_by_index+0x5e/0x80 [ 3031.138026][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3031.138026][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3031.138026][ T7704] ip6_route_add+0x1c/0x140 [ 3031.138026][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3031.138026][ T7704] addrconf_add_dev+0xe2/0x170 [ 3031.138026][ T7704] inet6_addr_add+0x12f/0xa40 [ 3031.138026][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3031.138026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3031.138026][ T7704] netlink_rcv_skb+0x130/0x360 [ 3031.138026][ T7704] netlink_unicast+0x449/0x710 [ 3031.138026][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3031.138026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3031.138026][ T7704] ___sys_sendmsg+0xee/0x170 [ 3031.138026][ T7704] __sys_sendmsg+0xcd/0x170 [ 3031.138026][ T7704] do_syscall_64+0xc6/0x1e0 [ 3031.138026][ T7704] [ 3031.140219][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3031.140219][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3031.140219][ T7704] ipv6_find_idev+0x102/0x170 [ 3031.140219][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3031.140219][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3031.140219][ T7704] netlink_rcv_skb+0x130/0x360 [ 3031.140219][ T7704] netlink_unicast+0x449/0x710 [ 3031.140219][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3031.140219][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3031.140219][ T7704] ___sys_sendmsg+0xee/0x170 [ 3031.140219][ T7704] __sys_sendmsg+0xcd/0x170 [ 3031.140219][ T7704] do_syscall_64+0xc6/0x1e0 [ 3031.140219][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3031.140219][ T7704] [ 3031.141960][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3031.141960][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3031.141960][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3031.141960][ T7704] ipv6_find_idev+0x102/0x170 [ 3031.141960][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3031.141960][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3031.141960][ T7704] netlink_rcv_skb+0x130/0x360 [ 3031.141960][ T7704] netlink_unicast+0x449/0x710 [ 3031.141960][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3031.141960][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3031.141960][ T7704] ___sys_sendmsg+0xee/0x170 [ 3031.141960][ T7704] __sys_sendmsg+0xcd/0x170 [ 3031.141960][ T7704] do_syscall_64+0xc6/0x1e0 [ 3031.141960][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3031.141960][ T7704] [ 3041.396781][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3041.397255][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3041.397255][ T7704] netdev_get_by_index+0x5e/0x80 [ 3041.397255][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3041.397255][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3041.397255][ T7704] ip6_route_add+0x1c/0x140 [ 3041.397255][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3041.397255][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3041.397255][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3041.397255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3041.397255][ T7704] netlink_rcv_skb+0x130/0x360 [ 3041.397255][ T7704] netlink_unicast+0x449/0x710 [ 3041.397255][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3041.397255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3041.397255][ T7704] ___sys_sendmsg+0xee/0x170 [ 3041.397255][ T7704] __sys_sendmsg+0xcd/0x170 [ 3041.397255][ T7704] do_syscall_64+0xc6/0x1e0 [ 3041.397255][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3041.397255][ T7704] [ 3041.399661][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3041.399661][ T7704] netdev_get_by_index+0x5e/0x80 [ 3041.399661][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3041.399661][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3041.399661][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3041.399661][ T7704] ipv6_add_addr+0x411/0x2000 [ 3041.399661][ T7704] inet6_addr_add+0x30e/0xa40 [ 3041.399661][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3041.399661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3041.399661][ T7704] netlink_rcv_skb+0x130/0x360 [ 3041.399661][ T7704] netlink_unicast+0x449/0x710 [ 3041.399661][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3041.399661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3041.399661][ T7704] ___sys_sendmsg+0xee/0x170 [ 3041.399661][ T7704] __sys_sendmsg+0xcd/0x170 [ 3041.399661][ T7704] do_syscall_64+0xc6/0x1e0 [ 3041.399661][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3041.399661][ T7704] [ 3041.401898][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3041.401898][ T7704] netdev_get_by_index+0x5e/0x80 [ 3041.401898][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3041.401898][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3041.401898][ T7704] ip6_route_add+0x1c/0x140 [ 3041.401898][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3041.401898][ T7704] addrconf_add_dev+0xe2/0x170 [ 3041.401898][ T7704] inet6_addr_add+0x12f/0xa40 [ 3041.401898][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3041.401898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3041.401898][ T7704] netlink_rcv_skb+0x130/0x360 [ 3041.401898][ T7704] netlink_unicast+0x449/0x710 [ 3041.401898][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3041.401898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3041.401898][ T7704] ___sys_sendmsg+0xee/0x170 [ 3041.401898][ T7704] __sys_sendmsg+0xcd/0x170 [ 3041.401898][ T7704] do_syscall_64+0xc6/0x1e0 [ 3041.401898][ T7704] [ 3041.404095][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3041.404095][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3041.404095][ T7704] ipv6_find_idev+0x102/0x170 [ 3041.404095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3041.404095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3041.404095][ T7704] netlink_rcv_skb+0x130/0x360 [ 3041.404095][ T7704] netlink_unicast+0x449/0x710 [ 3041.404095][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3041.404095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3041.404095][ T7704] ___sys_sendmsg+0xee/0x170 [ 3041.404095][ T7704] __sys_sendmsg+0xcd/0x170 [ 3041.404095][ T7704] do_syscall_64+0xc6/0x1e0 [ 3041.404095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3041.404095][ T7704] [ 3041.405809][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3041.405809][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3041.405809][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3041.405809][ T7704] ipv6_find_idev+0x102/0x170 [ 3041.405809][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3041.405809][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3041.405809][ T7704] netlink_rcv_skb+0x130/0x360 [ 3041.405809][ T7704] netlink_unicast+0x449/0x710 [ 3041.405809][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3041.405809][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3041.405809][ T7704] ___sys_sendmsg+0xee/0x170 [ 3041.405809][ T7704] __sys_sendmsg+0xcd/0x170 [ 3041.405809][ T7704] do_syscall_64+0xc6/0x1e0 [ 3041.405809][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3041.405809][ T7704] [ 3051.660845][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3051.661337][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3051.661337][ T7704] netdev_get_by_index+0x5e/0x80 [ 3051.661337][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3051.661337][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3051.661337][ T7704] ip6_route_add+0x1c/0x140 [ 3051.661337][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3051.661337][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3051.661337][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3051.661337][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3051.661337][ T7704] netlink_rcv_skb+0x130/0x360 [ 3051.661337][ T7704] netlink_unicast+0x449/0x710 [ 3051.661337][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3051.661337][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3051.661337][ T7704] ___sys_sendmsg+0xee/0x170 [ 3051.661337][ T7704] __sys_sendmsg+0xcd/0x170 [ 3051.661337][ T7704] do_syscall_64+0xc6/0x1e0 [ 3051.661337][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3051.661337][ T7704] [ 3051.663596][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3051.663596][ T7704] netdev_get_by_index+0x5e/0x80 [ 3051.663596][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3051.663596][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3051.663596][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3051.663596][ T7704] ipv6_add_addr+0x411/0x2000 [ 3051.663596][ T7704] inet6_addr_add+0x30e/0xa40 [ 3051.663596][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3051.663596][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3051.663596][ T7704] netlink_rcv_skb+0x130/0x360 [ 3051.663596][ T7704] netlink_unicast+0x449/0x710 [ 3051.663596][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3051.663596][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3051.663596][ T7704] ___sys_sendmsg+0xee/0x170 [ 3051.663596][ T7704] __sys_sendmsg+0xcd/0x170 [ 3051.663596][ T7704] do_syscall_64+0xc6/0x1e0 [ 3051.663596][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3051.663596][ T7704] [ 3051.665839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3051.665839][ T7704] netdev_get_by_index+0x5e/0x80 [ 3051.665839][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3051.665839][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3051.665839][ T7704] ip6_route_add+0x1c/0x140 [ 3051.665839][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3051.665839][ T7704] addrconf_add_dev+0xe2/0x170 [ 3051.665839][ T7704] inet6_addr_add+0x12f/0xa40 [ 3051.665839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3051.665839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3051.665839][ T7704] netlink_rcv_skb+0x130/0x360 [ 3051.665839][ T7704] netlink_unicast+0x449/0x710 [ 3051.665839][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3051.665839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3051.665839][ T7704] ___sys_sendmsg+0xee/0x170 [ 3051.665839][ T7704] __sys_sendmsg+0xcd/0x170 [ 3051.665839][ T7704] do_syscall_64+0xc6/0x1e0 [ 3051.665839][ T7704] [ 3051.668053][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3051.668053][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3051.668053][ T7704] ipv6_find_idev+0x102/0x170 [ 3051.668053][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3051.668053][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3051.668053][ T7704] netlink_rcv_skb+0x130/0x360 [ 3051.668053][ T7704] netlink_unicast+0x449/0x710 [ 3051.668053][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3051.668053][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3051.668053][ T7704] ___sys_sendmsg+0xee/0x170 [ 3051.668053][ T7704] __sys_sendmsg+0xcd/0x170 [ 3051.668053][ T7704] do_syscall_64+0xc6/0x1e0 [ 3051.668053][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3051.668053][ T7704] [ 3051.669764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3051.669764][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3051.669764][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3051.669764][ T7704] ipv6_find_idev+0x102/0x170 [ 3051.669764][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3051.669764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3051.669764][ T7704] netlink_rcv_skb+0x130/0x360 [ 3051.669764][ T7704] netlink_unicast+0x449/0x710 [ 3051.669764][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3051.669764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3051.669764][ T7704] ___sys_sendmsg+0xee/0x170 [ 3051.669764][ T7704] __sys_sendmsg+0xcd/0x170 [ 3051.669764][ T7704] do_syscall_64+0xc6/0x1e0 [ 3051.669764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3051.669764][ T7704] [ 3061.924825][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3061.925358][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3061.925358][ T7704] netdev_get_by_index+0x5e/0x80 [ 3061.925358][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3061.925358][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3061.925358][ T7704] ip6_route_add+0x1c/0x140 [ 3061.925358][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3061.925358][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3061.925358][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3061.925358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.925358][ T7704] netlink_rcv_skb+0x130/0x360 [ 3061.925358][ T7704] netlink_unicast+0x449/0x710 [ 3061.925358][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3061.925358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3061.925358][ T7704] ___sys_sendmsg+0xee/0x170 [ 3061.925358][ T7704] __sys_sendmsg+0xcd/0x170 [ 3061.925358][ T7704] do_syscall_64+0xc6/0x1e0 [ 3061.925358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.925358][ T7704] [ 3061.927842][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3061.927842][ T7704] netdev_get_by_index+0x5e/0x80 [ 3061.927842][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3061.927842][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3061.927842][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3061.927842][ T7704] ipv6_add_addr+0x411/0x2000 [ 3061.927842][ T7704] inet6_addr_add+0x30e/0xa40 [ 3061.927842][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3061.927842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.927842][ T7704] netlink_rcv_skb+0x130/0x360 [ 3061.927842][ T7704] netlink_unicast+0x449/0x710 [ 3061.927842][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3061.927842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3061.927842][ T7704] ___sys_sendmsg+0xee/0x170 [ 3061.927842][ T7704] __sys_sendmsg+0xcd/0x170 [ 3061.927842][ T7704] do_syscall_64+0xc6/0x1e0 [ 3061.927842][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.927842][ T7704] [ 3061.930413][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3061.930413][ T7704] netdev_get_by_index+0x5e/0x80 [ 3061.930413][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3061.930413][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3061.930413][ T7704] ip6_route_add+0x1c/0x140 [ 3061.930413][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3061.930413][ T7704] addrconf_add_dev+0xe2/0x170 [ 3061.930413][ T7704] inet6_addr_add+0x12f/0xa40 [ 3061.930413][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3061.930413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.930413][ T7704] netlink_rcv_skb+0x130/0x360 [ 3061.930413][ T7704] netlink_unicast+0x449/0x710 [ 3061.930413][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3061.930413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3061.930413][ T7704] ___sys_sendmsg+0xee/0x170 [ 3061.930413][ T7704] __sys_sendmsg+0xcd/0x170 [ 3061.930413][ T7704] do_syscall_64+0xc6/0x1e0 [ 3061.930413][ T7704] [ 3061.932797][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3061.932797][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3061.932797][ T7704] ipv6_find_idev+0x102/0x170 [ 3061.932797][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.932797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.932797][ T7704] netlink_rcv_skb+0x130/0x360 [ 3061.932797][ T7704] netlink_unicast+0x449/0x710 [ 3061.932797][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3061.932797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3061.932797][ T7704] ___sys_sendmsg+0xee/0x170 [ 3061.932797][ T7704] __sys_sendmsg+0xcd/0x170 [ 3061.932797][ T7704] do_syscall_64+0xc6/0x1e0 [ 3061.932797][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.932797][ T7704] [ 3061.934668][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3061.934668][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3061.934668][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3061.934668][ T7704] ipv6_find_idev+0x102/0x170 [ 3061.934668][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.934668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.934668][ T7704] netlink_rcv_skb+0x130/0x360 [ 3061.934668][ T7704] netlink_unicast+0x449/0x710 [ 3061.934668][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3061.934668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3061.934668][ T7704] ___sys_sendmsg+0xee/0x170 [ 3061.934668][ T7704] __sys_sendmsg+0xcd/0x170 [ 3061.934668][ T7704] do_syscall_64+0xc6/0x1e0 [ 3061.934668][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.934668][ T7704] [ 3072.012767][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3072.013320][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3072.013320][ T7704] netdev_get_by_index+0x5e/0x80 [ 3072.013320][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3072.013320][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3072.013320][ T7704] ip6_route_add+0x1c/0x140 [ 3072.013320][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3072.013320][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3072.013320][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3072.013320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3072.013320][ T7704] netlink_rcv_skb+0x130/0x360 [ 3072.013320][ T7704] netlink_unicast+0x449/0x710 [ 3072.013320][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3072.013320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3072.013320][ T7704] ___sys_sendmsg+0xee/0x170 [ 3072.013320][ T7704] __sys_sendmsg+0xcd/0x170 [ 3072.013320][ T7704] do_syscall_64+0xc6/0x1e0 [ 3072.013320][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3072.013320][ T7704] [ 3072.015609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3072.015609][ T7704] netdev_get_by_index+0x5e/0x80 [ 3072.015609][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3072.015609][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3072.015609][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3072.015609][ T7704] ipv6_add_addr+0x411/0x2000 [ 3072.015609][ T7704] inet6_addr_add+0x30e/0xa40 [ 3072.015609][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3072.015609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3072.015609][ T7704] netlink_rcv_skb+0x130/0x360 [ 3072.015609][ T7704] netlink_unicast+0x449/0x710 [ 3072.015609][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3072.015609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3072.015609][ T7704] ___sys_sendmsg+0xee/0x170 [ 3072.015609][ T7704] __sys_sendmsg+0xcd/0x170 [ 3072.015609][ T7704] do_syscall_64+0xc6/0x1e0 [ 3072.015609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3072.015609][ T7704] [ 3072.017877][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3072.017877][ T7704] netdev_get_by_index+0x5e/0x80 [ 3072.017877][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3072.017877][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3072.017877][ T7704] ip6_route_add+0x1c/0x140 [ 3072.017877][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3072.017877][ T7704] addrconf_add_dev+0xe2/0x170 [ 3072.017877][ T7704] inet6_addr_add+0x12f/0xa40 [ 3072.017877][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3072.017877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3072.017877][ T7704] netlink_rcv_skb+0x130/0x360 [ 3072.017877][ T7704] netlink_unicast+0x449/0x710 [ 3072.017877][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3072.017877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3072.017877][ T7704] ___sys_sendmsg+0xee/0x170 [ 3072.017877][ T7704] __sys_sendmsg+0xcd/0x170 [ 3072.017877][ T7704] do_syscall_64+0xc6/0x1e0 [ 3072.017877][ T7704] [ 3072.020656][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3072.020656][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3072.020656][ T7704] ipv6_find_idev+0x102/0x170 [ 3072.020656][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3072.020656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3072.020656][ T7704] netlink_rcv_skb+0x130/0x360 [ 3072.020656][ T7704] netlink_unicast+0x449/0x710 [ 3072.020656][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3072.020656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3072.020656][ T7704] ___sys_sendmsg+0xee/0x170 [ 3072.020656][ T7704] __sys_sendmsg+0xcd/0x170 [ 3072.020656][ T7704] do_syscall_64+0xc6/0x1e0 [ 3072.020656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3072.020656][ T7704] [ 3072.022392][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3072.022392][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3072.022392][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3072.022392][ T7704] ipv6_find_idev+0x102/0x170 [ 3072.022392][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3072.022392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3072.022392][ T7704] netlink_rcv_skb+0x130/0x360 [ 3072.022392][ T7704] netlink_unicast+0x449/0x710 [ 3072.022392][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3072.022392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3072.022392][ T7704] ___sys_sendmsg+0xee/0x170 [ 3072.022392][ T7704] __sys_sendmsg+0xcd/0x170 [ 3072.022392][ T7704] do_syscall_64+0xc6/0x1e0 [ 3072.022392][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3072.022392][ T7704] [ 3082.260871][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3082.261326][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3082.261326][ T7704] netdev_get_by_index+0x5e/0x80 [ 3082.261326][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3082.261326][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3082.261326][ T7704] ip6_route_add+0x1c/0x140 [ 3082.261326][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3082.261326][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3082.261326][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3082.261326][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3082.261326][ T7704] netlink_rcv_skb+0x130/0x360 [ 3082.261326][ T7704] netlink_unicast+0x449/0x710 [ 3082.261326][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3082.261326][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3082.261326][ T7704] ___sys_sendmsg+0xee/0x170 [ 3082.261326][ T7704] __sys_sendmsg+0xcd/0x170 [ 3082.261326][ T7704] do_syscall_64+0xc6/0x1e0 [ 3082.261326][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3082.261326][ T7704] [ 3082.263604][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3082.263604][ T7704] netdev_get_by_index+0x5e/0x80 [ 3082.263604][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3082.263604][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3082.263604][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3082.263604][ T7704] ipv6_add_addr+0x411/0x2000 [ 3082.263604][ T7704] inet6_addr_add+0x30e/0xa40 [ 3082.263604][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3082.263604][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3082.263604][ T7704] netlink_rcv_skb+0x130/0x360 [ 3082.263604][ T7704] netlink_unicast+0x449/0x710 [ 3082.263604][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3082.263604][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3082.263604][ T7704] ___sys_sendmsg+0xee/0x170 [ 3082.263604][ T7704] __sys_sendmsg+0xcd/0x170 [ 3082.263604][ T7704] do_syscall_64+0xc6/0x1e0 [ 3082.263604][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3082.263604][ T7704] [ 3082.265829][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3082.265829][ T7704] netdev_get_by_index+0x5e/0x80 [ 3082.265829][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3082.265829][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3082.265829][ T7704] ip6_route_add+0x1c/0x140 [ 3082.265829][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3082.265829][ T7704] addrconf_add_dev+0xe2/0x170 [ 3082.265829][ T7704] inet6_addr_add+0x12f/0xa40 [ 3082.265829][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3082.265829][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3082.265829][ T7704] netlink_rcv_skb+0x130/0x360 [ 3082.265829][ T7704] netlink_unicast+0x449/0x710 [ 3082.265829][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3082.265829][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3082.265829][ T7704] ___sys_sendmsg+0xee/0x170 [ 3082.265829][ T7704] __sys_sendmsg+0xcd/0x170 [ 3082.265829][ T7704] do_syscall_64+0xc6/0x1e0 [ 3082.265829][ T7704] [ 3082.267992][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3082.267992][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3082.267992][ T7704] ipv6_find_idev+0x102/0x170 [ 3082.267992][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3082.267992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3082.267992][ T7704] netlink_rcv_skb+0x130/0x360 [ 3082.267992][ T7704] netlink_unicast+0x449/0x710 [ 3082.267992][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3082.267992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3082.267992][ T7704] ___sys_sendmsg+0xee/0x170 [ 3082.267992][ T7704] __sys_sendmsg+0xcd/0x170 [ 3082.267992][ T7704] do_syscall_64+0xc6/0x1e0 [ 3082.267992][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3082.267992][ T7704] [ 3082.269695][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3082.269695][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3082.269695][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3082.269695][ T7704] ipv6_find_idev+0x102/0x170 [ 3082.269695][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3082.269695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3082.269695][ T7704] netlink_rcv_skb+0x130/0x360 [ 3082.269695][ T7704] netlink_unicast+0x449/0x710 [ 3082.269695][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3082.269695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3082.269695][ T7704] ___sys_sendmsg+0xee/0x170 [ 3082.269695][ T7704] __sys_sendmsg+0xcd/0x170 [ 3082.269695][ T7704] do_syscall_64+0xc6/0x1e0 [ 3082.269695][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3082.269695][ T7704] [ 3092.508753][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3092.509273][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3092.509273][ T7704] netdev_get_by_index+0x5e/0x80 [ 3092.509273][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3092.509273][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3092.509273][ T7704] ip6_route_add+0x1c/0x140 [ 3092.509273][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3092.509273][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3092.509273][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3092.509273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.509273][ T7704] netlink_rcv_skb+0x130/0x360 [ 3092.509273][ T7704] netlink_unicast+0x449/0x710 [ 3092.509273][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3092.509273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3092.509273][ T7704] ___sys_sendmsg+0xee/0x170 [ 3092.509273][ T7704] __sys_sendmsg+0xcd/0x170 [ 3092.509273][ T7704] do_syscall_64+0xc6/0x1e0 [ 3092.509273][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.509273][ T7704] [ 3092.511530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3092.511530][ T7704] netdev_get_by_index+0x5e/0x80 [ 3092.511530][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3092.511530][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3092.511530][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3092.511530][ T7704] ipv6_add_addr+0x411/0x2000 [ 3092.511530][ T7704] inet6_addr_add+0x30e/0xa40 [ 3092.511530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3092.511530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.511530][ T7704] netlink_rcv_skb+0x130/0x360 [ 3092.511530][ T7704] netlink_unicast+0x449/0x710 [ 3092.511530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3092.511530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3092.511530][ T7704] ___sys_sendmsg+0xee/0x170 [ 3092.511530][ T7704] __sys_sendmsg+0xcd/0x170 [ 3092.511530][ T7704] do_syscall_64+0xc6/0x1e0 [ 3092.511530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.511530][ T7704] [ 3092.514117][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3092.514117][ T7704] netdev_get_by_index+0x5e/0x80 [ 3092.514117][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3092.514117][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3092.514117][ T7704] ip6_route_add+0x1c/0x140 [ 3092.514117][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3092.514117][ T7704] addrconf_add_dev+0xe2/0x170 [ 3092.514117][ T7704] inet6_addr_add+0x12f/0xa40 [ 3092.514117][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3092.514117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.514117][ T7704] netlink_rcv_skb+0x130/0x360 [ 3092.514117][ T7704] netlink_unicast+0x449/0x710 [ 3092.514117][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3092.514117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3092.514117][ T7704] ___sys_sendmsg+0xee/0x170 [ 3092.514117][ T7704] __sys_sendmsg+0xcd/0x170 [ 3092.514117][ T7704] do_syscall_64+0xc6/0x1e0 [ 3092.514117][ T7704] [ 3092.516316][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3092.516316][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3092.516316][ T7704] ipv6_find_idev+0x102/0x170 [ 3092.516316][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.516316][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.516316][ T7704] netlink_rcv_skb+0x130/0x360 [ 3092.516316][ T7704] netlink_unicast+0x449/0x710 [ 3092.516316][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3092.516316][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3092.516316][ T7704] ___sys_sendmsg+0xee/0x170 [ 3092.516316][ T7704] __sys_sendmsg+0xcd/0x170 [ 3092.516316][ T7704] do_syscall_64+0xc6/0x1e0 [ 3092.516316][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.516316][ T7704] [ 3092.518012][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3092.518012][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3092.518012][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3092.518012][ T7704] ipv6_find_idev+0x102/0x170 [ 3092.518012][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.518012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.518012][ T7704] netlink_rcv_skb+0x130/0x360 [ 3092.518012][ T7704] netlink_unicast+0x449/0x710 [ 3092.518012][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3092.518012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3092.518012][ T7704] ___sys_sendmsg+0xee/0x170 [ 3092.518012][ T7704] __sys_sendmsg+0xcd/0x170 [ 3092.518012][ T7704] do_syscall_64+0xc6/0x1e0 [ 3092.518012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.518012][ T7704] [ 3102.764883][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3102.765422][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3102.765422][ T7704] netdev_get_by_index+0x5e/0x80 [ 3102.765422][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3102.765422][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3102.765422][ T7704] ip6_route_add+0x1c/0x140 [ 3102.765422][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3102.765422][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3102.765422][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3102.765422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.765422][ T7704] netlink_rcv_skb+0x130/0x360 [ 3102.765422][ T7704] netlink_unicast+0x449/0x710 [ 3102.765422][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3102.765422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3102.765422][ T7704] ___sys_sendmsg+0xee/0x170 [ 3102.765422][ T7704] __sys_sendmsg+0xcd/0x170 [ 3102.765422][ T7704] do_syscall_64+0xc6/0x1e0 [ 3102.765422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.765422][ T7704] [ 3102.767711][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3102.767711][ T7704] netdev_get_by_index+0x5e/0x80 [ 3102.767711][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3102.767711][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3102.767711][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3102.767711][ T7704] ipv6_add_addr+0x411/0x2000 [ 3102.767711][ T7704] inet6_addr_add+0x30e/0xa40 [ 3102.767711][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3102.767711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.767711][ T7704] netlink_rcv_skb+0x130/0x360 [ 3102.767711][ T7704] netlink_unicast+0x449/0x710 [ 3102.767711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3102.767711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3102.767711][ T7704] ___sys_sendmsg+0xee/0x170 [ 3102.767711][ T7704] __sys_sendmsg+0xcd/0x170 [ 3102.767711][ T7704] do_syscall_64+0xc6/0x1e0 [ 3102.767711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.767711][ T7704] [ 3102.769950][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3102.769950][ T7704] netdev_get_by_index+0x5e/0x80 [ 3102.769950][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3102.769950][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3102.769950][ T7704] ip6_route_add+0x1c/0x140 [ 3102.769950][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3102.769950][ T7704] addrconf_add_dev+0xe2/0x170 [ 3102.769950][ T7704] inet6_addr_add+0x12f/0xa40 [ 3102.769950][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3102.769950][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.769950][ T7704] netlink_rcv_skb+0x130/0x360 [ 3102.769950][ T7704] netlink_unicast+0x449/0x710 [ 3102.769950][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3102.769950][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3102.769950][ T7704] ___sys_sendmsg+0xee/0x170 [ 3102.769950][ T7704] __sys_sendmsg+0xcd/0x170 [ 3102.769950][ T7704] do_syscall_64+0xc6/0x1e0 [ 3102.769950][ T7704] [ 3102.772152][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3102.772152][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3102.772152][ T7704] ipv6_find_idev+0x102/0x170 [ 3102.772152][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.772152][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.772152][ T7704] netlink_rcv_skb+0x130/0x360 [ 3102.772152][ T7704] netlink_unicast+0x449/0x710 [ 3102.772152][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3102.772152][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3102.772152][ T7704] ___sys_sendmsg+0xee/0x170 [ 3102.772152][ T7704] __sys_sendmsg+0xcd/0x170 [ 3102.772152][ T7704] do_syscall_64+0xc6/0x1e0 [ 3102.772152][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.772152][ T7704] [ 3102.773865][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3102.773865][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3102.773865][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3102.773865][ T7704] ipv6_find_idev+0x102/0x170 [ 3102.773865][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.773865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.773865][ T7704] netlink_rcv_skb+0x130/0x360 [ 3102.773865][ T7704] netlink_unicast+0x449/0x710 [ 3102.773865][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3102.773865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3102.773865][ T7704] ___sys_sendmsg+0xee/0x170 [ 3102.773865][ T7704] __sys_sendmsg+0xcd/0x170 [ 3102.773865][ T7704] do_syscall_64+0xc6/0x1e0 [ 3102.773865][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.773865][ T7704] [ 3113.012871][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3113.013381][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3113.013381][ T7704] netdev_get_by_index+0x5e/0x80 [ 3113.013381][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3113.013381][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3113.013381][ T7704] ip6_route_add+0x1c/0x140 [ 3113.013381][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3113.013381][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3113.013381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3113.013381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3113.013381][ T7704] netlink_rcv_skb+0x130/0x360 [ 3113.013381][ T7704] netlink_unicast+0x449/0x710 [ 3113.013381][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3113.013381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3113.013381][ T7704] ___sys_sendmsg+0xee/0x170 [ 3113.013381][ T7704] __sys_sendmsg+0xcd/0x170 [ 3113.013381][ T7704] do_syscall_64+0xc6/0x1e0 [ 3113.013381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3113.013381][ T7704] [ 3113.015920][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3113.015920][ T7704] netdev_get_by_index+0x5e/0x80 [ 3113.015920][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3113.015920][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3113.015920][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3113.015920][ T7704] ipv6_add_addr+0x411/0x2000 [ 3113.015920][ T7704] inet6_addr_add+0x30e/0xa40 [ 3113.015920][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3113.015920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3113.015920][ T7704] netlink_rcv_skb+0x130/0x360 [ 3113.015920][ T7704] netlink_unicast+0x449/0x710 [ 3113.015920][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3113.015920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3113.015920][ T7704] ___sys_sendmsg+0xee/0x170 [ 3113.015920][ T7704] __sys_sendmsg+0xcd/0x170 [ 3113.015920][ T7704] do_syscall_64+0xc6/0x1e0 [ 3113.015920][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3113.015920][ T7704] [ 3113.018358][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3113.018358][ T7704] netdev_get_by_index+0x5e/0x80 [ 3113.018358][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3113.018358][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3113.018358][ T7704] ip6_route_add+0x1c/0x140 [ 3113.018358][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3113.018358][ T7704] addrconf_add_dev+0xe2/0x170 [ 3113.018358][ T7704] inet6_addr_add+0x12f/0xa40 [ 3113.018358][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3113.018358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3113.018358][ T7704] netlink_rcv_skb+0x130/0x360 [ 3113.018358][ T7704] netlink_unicast+0x449/0x710 [ 3113.018358][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3113.018358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3113.018358][ T7704] ___sys_sendmsg+0xee/0x170 [ 3113.018358][ T7704] __sys_sendmsg+0xcd/0x170 [ 3113.018358][ T7704] do_syscall_64+0xc6/0x1e0 [ 3113.018358][ T7704] [ 3113.020751][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3113.020751][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3113.020751][ T7704] ipv6_find_idev+0x102/0x170 [ 3113.020751][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3113.020751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3113.020751][ T7704] netlink_rcv_skb+0x130/0x360 [ 3113.020751][ T7704] netlink_unicast+0x449/0x710 [ 3113.020751][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3113.020751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3113.020751][ T7704] ___sys_sendmsg+0xee/0x170 [ 3113.020751][ T7704] __sys_sendmsg+0xcd/0x170 [ 3113.020751][ T7704] do_syscall_64+0xc6/0x1e0 [ 3113.020751][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3113.020751][ T7704] [ 3113.022625][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3113.022625][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3113.022625][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3113.022625][ T7704] ipv6_find_idev+0x102/0x170 [ 3113.022625][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3113.022625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3113.022625][ T7704] netlink_rcv_skb+0x130/0x360 [ 3113.022625][ T7704] netlink_unicast+0x449/0x710 [ 3113.022625][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3113.022625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3113.022625][ T7704] ___sys_sendmsg+0xee/0x170 [ 3113.022625][ T7704] __sys_sendmsg+0xcd/0x170 [ 3113.022625][ T7704] do_syscall_64+0xc6/0x1e0 [ 3113.022625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3113.022625][ T7704] [ 3123.148822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3123.149340][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3123.149340][ T7704] netdev_get_by_index+0x5e/0x80 [ 3123.149340][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3123.149340][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3123.149340][ T7704] ip6_route_add+0x1c/0x140 [ 3123.149340][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3123.149340][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3123.149340][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3123.149340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3123.149340][ T7704] netlink_rcv_skb+0x130/0x360 [ 3123.149340][ T7704] netlink_unicast+0x449/0x710 [ 3123.149340][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3123.149340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3123.149340][ T7704] ___sys_sendmsg+0xee/0x170 [ 3123.149340][ T7704] __sys_sendmsg+0xcd/0x170 [ 3123.149340][ T7704] do_syscall_64+0xc6/0x1e0 [ 3123.149340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3123.149340][ T7704] [ 3123.151572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3123.151572][ T7704] netdev_get_by_index+0x5e/0x80 [ 3123.151572][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3123.151572][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3123.151572][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3123.151572][ T7704] ipv6_add_addr+0x411/0x2000 [ 3123.151572][ T7704] inet6_addr_add+0x30e/0xa40 [ 3123.151572][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3123.151572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3123.151572][ T7704] netlink_rcv_skb+0x130/0x360 [ 3123.151572][ T7704] netlink_unicast+0x449/0x710 [ 3123.151572][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3123.151572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3123.151572][ T7704] ___sys_sendmsg+0xee/0x170 [ 3123.151572][ T7704] __sys_sendmsg+0xcd/0x170 [ 3123.151572][ T7704] do_syscall_64+0xc6/0x1e0 [ 3123.151572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3123.151572][ T7704] [ 3123.153779][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3123.153779][ T7704] netdev_get_by_index+0x5e/0x80 [ 3123.153779][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3123.153779][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3123.153779][ T7704] ip6_route_add+0x1c/0x140 [ 3123.153779][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3123.153779][ T7704] addrconf_add_dev+0xe2/0x170 [ 3123.153779][ T7704] inet6_addr_add+0x12f/0xa40 [ 3123.153779][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3123.153779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3123.153779][ T7704] netlink_rcv_skb+0x130/0x360 [ 3123.153779][ T7704] netlink_unicast+0x449/0x710 [ 3123.153779][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3123.153779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3123.153779][ T7704] ___sys_sendmsg+0xee/0x170 [ 3123.153779][ T7704] __sys_sendmsg+0xcd/0x170 [ 3123.153779][ T7704] do_syscall_64+0xc6/0x1e0 [ 3123.153779][ T7704] [ 3123.155954][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3123.155954][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3123.155954][ T7704] ipv6_find_idev+0x102/0x170 [ 3123.155954][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3123.155954][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3123.155954][ T7704] netlink_rcv_skb+0x130/0x360 [ 3123.155954][ T7704] netlink_unicast+0x449/0x710 [ 3123.155954][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3123.155954][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3123.155954][ T7704] ___sys_sendmsg+0xee/0x170 [ 3123.155954][ T7704] __sys_sendmsg+0xcd/0x170 [ 3123.155954][ T7704] do_syscall_64+0xc6/0x1e0 [ 3123.155954][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3123.155954][ T7704] [ 3123.157648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3123.157648][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3123.157648][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3123.157648][ T7704] ipv6_find_idev+0x102/0x170 [ 3123.157648][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3123.157648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3123.157648][ T7704] netlink_rcv_skb+0x130/0x360 [ 3123.157648][ T7704] netlink_unicast+0x449/0x710 [ 3123.157648][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3123.157648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3123.157648][ T7704] ___sys_sendmsg+0xee/0x170 [ 3123.157648][ T7704] __sys_sendmsg+0xcd/0x170 [ 3123.157648][ T7704] do_syscall_64+0xc6/0x1e0 [ 3123.157648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3123.157648][ T7704] [ 3133.396846][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3133.397327][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3133.397327][ T7704] netdev_get_by_index+0x5e/0x80 [ 3133.397327][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3133.397327][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3133.397327][ T7704] ip6_route_add+0x1c/0x140 [ 3133.397327][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3133.397327][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3133.397327][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3133.397327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3133.397327][ T7704] netlink_rcv_skb+0x130/0x360 [ 3133.397327][ T7704] netlink_unicast+0x449/0x710 [ 3133.397327][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3133.397327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3133.397327][ T7704] ___sys_sendmsg+0xee/0x170 [ 3133.397327][ T7704] __sys_sendmsg+0xcd/0x170 [ 3133.397327][ T7704] do_syscall_64+0xc6/0x1e0 [ 3133.397327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3133.397327][ T7704] [ 3133.399545][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3133.399545][ T7704] netdev_get_by_index+0x5e/0x80 [ 3133.399545][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3133.399545][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3133.399545][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3133.399545][ T7704] ipv6_add_addr+0x411/0x2000 [ 3133.399545][ T7704] inet6_addr_add+0x30e/0xa40 [ 3133.399545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3133.399545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3133.399545][ T7704] netlink_rcv_skb+0x130/0x360 [ 3133.399545][ T7704] netlink_unicast+0x449/0x710 [ 3133.399545][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3133.399545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3133.399545][ T7704] ___sys_sendmsg+0xee/0x170 [ 3133.399545][ T7704] __sys_sendmsg+0xcd/0x170 [ 3133.399545][ T7704] do_syscall_64+0xc6/0x1e0 [ 3133.399545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3133.399545][ T7704] [ 3133.401750][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3133.401750][ T7704] netdev_get_by_index+0x5e/0x80 [ 3133.401750][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3133.401750][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3133.401750][ T7704] ip6_route_add+0x1c/0x140 [ 3133.401750][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3133.401750][ T7704] addrconf_add_dev+0xe2/0x170 [ 3133.401750][ T7704] inet6_addr_add+0x12f/0xa40 [ 3133.401750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3133.401750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3133.401750][ T7704] netlink_rcv_skb+0x130/0x360 [ 3133.401750][ T7704] netlink_unicast+0x449/0x710 [ 3133.401750][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3133.401750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3133.401750][ T7704] ___sys_sendmsg+0xee/0x170 [ 3133.401750][ T7704] __sys_sendmsg+0xcd/0x170 [ 3133.401750][ T7704] do_syscall_64+0xc6/0x1e0 [ 3133.401750][ T7704] [ 3133.404474][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3133.404474][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3133.404474][ T7704] ipv6_find_idev+0x102/0x170 [ 3133.404474][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3133.404474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3133.404474][ T7704] netlink_rcv_skb+0x130/0x360 [ 3133.404474][ T7704] netlink_unicast+0x449/0x710 [ 3133.404474][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3133.404474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3133.404474][ T7704] ___sys_sendmsg+0xee/0x170 [ 3133.404474][ T7704] __sys_sendmsg+0xcd/0x170 [ 3133.404474][ T7704] do_syscall_64+0xc6/0x1e0 [ 3133.404474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3133.404474][ T7704] [ 3133.406195][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3133.406195][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3133.406195][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3133.406195][ T7704] ipv6_find_idev+0x102/0x170 [ 3133.406195][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3133.406195][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3133.406195][ T7704] netlink_rcv_skb+0x130/0x360 [ 3133.406195][ T7704] netlink_unicast+0x449/0x710 [ 3133.406195][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3133.406195][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3133.406195][ T7704] ___sys_sendmsg+0xee/0x170 [ 3133.406195][ T7704] __sys_sendmsg+0xcd/0x170 [ 3133.406195][ T7704] do_syscall_64+0xc6/0x1e0 [ 3133.406195][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3133.406195][ T7704] [ 3143.492863][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3143.493401][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3143.493401][ T7704] netdev_get_by_index+0x5e/0x80 [ 3143.493401][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3143.493401][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3143.493401][ T7704] ip6_route_add+0x1c/0x140 [ 3143.493401][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3143.493401][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3143.493401][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3143.493401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.493401][ T7704] netlink_rcv_skb+0x130/0x360 [ 3143.493401][ T7704] netlink_unicast+0x449/0x710 [ 3143.493401][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3143.493401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3143.493401][ T7704] ___sys_sendmsg+0xee/0x170 [ 3143.493401][ T7704] __sys_sendmsg+0xcd/0x170 [ 3143.493401][ T7704] do_syscall_64+0xc6/0x1e0 [ 3143.493401][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.493401][ T7704] [ 3143.495910][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3143.495910][ T7704] netdev_get_by_index+0x5e/0x80 [ 3143.495910][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3143.495910][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3143.495910][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3143.495910][ T7704] ipv6_add_addr+0x411/0x2000 [ 3143.495910][ T7704] inet6_addr_add+0x30e/0xa40 [ 3143.495910][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3143.495910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.495910][ T7704] netlink_rcv_skb+0x130/0x360 [ 3143.495910][ T7704] netlink_unicast+0x449/0x710 [ 3143.495910][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3143.495910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3143.495910][ T7704] ___sys_sendmsg+0xee/0x170 [ 3143.495910][ T7704] __sys_sendmsg+0xcd/0x170 [ 3143.495910][ T7704] do_syscall_64+0xc6/0x1e0 [ 3143.495910][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.495910][ T7704] [ 3143.498352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3143.498352][ T7704] netdev_get_by_index+0x5e/0x80 [ 3143.498352][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3143.498352][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3143.498352][ T7704] ip6_route_add+0x1c/0x140 [ 3143.498352][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3143.498352][ T7704] addrconf_add_dev+0xe2/0x170 [ 3143.498352][ T7704] inet6_addr_add+0x12f/0xa40 [ 3143.498352][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3143.498352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.498352][ T7704] netlink_rcv_skb+0x130/0x360 [ 3143.498352][ T7704] netlink_unicast+0x449/0x710 [ 3143.498352][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3143.498352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3143.498352][ T7704] ___sys_sendmsg+0xee/0x170 [ 3143.498352][ T7704] __sys_sendmsg+0xcd/0x170 [ 3143.498352][ T7704] do_syscall_64+0xc6/0x1e0 [ 3143.498352][ T7704] [ 3143.500753][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3143.500753][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3143.500753][ T7704] ipv6_find_idev+0x102/0x170 [ 3143.500753][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.500753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.500753][ T7704] netlink_rcv_skb+0x130/0x360 [ 3143.500753][ T7704] netlink_unicast+0x449/0x710 [ 3143.500753][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3143.500753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3143.500753][ T7704] ___sys_sendmsg+0xee/0x170 [ 3143.500753][ T7704] __sys_sendmsg+0xcd/0x170 [ 3143.500753][ T7704] do_syscall_64+0xc6/0x1e0 [ 3143.500753][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.500753][ T7704] [ 3143.502632][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3143.502632][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3143.502632][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3143.502632][ T7704] ipv6_find_idev+0x102/0x170 [ 3143.502632][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.502632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.502632][ T7704] netlink_rcv_skb+0x130/0x360 [ 3143.502632][ T7704] netlink_unicast+0x449/0x710 [ 3143.502632][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3143.502632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3143.502632][ T7704] ___sys_sendmsg+0xee/0x170 [ 3143.502632][ T7704] __sys_sendmsg+0xcd/0x170 [ 3143.502632][ T7704] do_syscall_64+0xc6/0x1e0 [ 3143.502632][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.502632][ T7704] [ 3153.836937][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3153.837488][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3153.837488][ T7704] netdev_get_by_index+0x5e/0x80 [ 3153.837488][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3153.837488][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3153.837488][ T7704] ip6_route_add+0x1c/0x140 [ 3153.837488][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3153.837488][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3153.837488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3153.837488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.837488][ T7704] netlink_rcv_skb+0x130/0x360 [ 3153.837488][ T7704] netlink_unicast+0x449/0x710 [ 3153.837488][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3153.837488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3153.837488][ T7704] ___sys_sendmsg+0xee/0x170 [ 3153.837488][ T7704] __sys_sendmsg+0xcd/0x170 [ 3153.837488][ T7704] do_syscall_64+0xc6/0x1e0 [ 3153.837488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.837488][ T7704] [ 3153.839991][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3153.839991][ T7704] netdev_get_by_index+0x5e/0x80 [ 3153.839991][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3153.839991][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3153.839991][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3153.839991][ T7704] ipv6_add_addr+0x411/0x2000 [ 3153.839991][ T7704] inet6_addr_add+0x30e/0xa40 [ 3153.839991][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3153.839991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.839991][ T7704] netlink_rcv_skb+0x130/0x360 [ 3153.839991][ T7704] netlink_unicast+0x449/0x710 [ 3153.839991][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3153.839991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3153.839991][ T7704] ___sys_sendmsg+0xee/0x170 [ 3153.839991][ T7704] __sys_sendmsg+0xcd/0x170 [ 3153.839991][ T7704] do_syscall_64+0xc6/0x1e0 [ 3153.839991][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.839991][ T7704] [ 3153.842471][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3153.842471][ T7704] netdev_get_by_index+0x5e/0x80 [ 3153.842471][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3153.842471][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3153.842471][ T7704] ip6_route_add+0x1c/0x140 [ 3153.842471][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3153.842471][ T7704] addrconf_add_dev+0xe2/0x170 [ 3153.842471][ T7704] inet6_addr_add+0x12f/0xa40 [ 3153.842471][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3153.842471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.842471][ T7704] netlink_rcv_skb+0x130/0x360 [ 3153.842471][ T7704] netlink_unicast+0x449/0x710 [ 3153.842471][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3153.842471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3153.842471][ T7704] ___sys_sendmsg+0xee/0x170 [ 3153.842471][ T7704] __sys_sendmsg+0xcd/0x170 [ 3153.842471][ T7704] do_syscall_64+0xc6/0x1e0 [ 3153.842471][ T7704] [ 3153.844888][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3153.844888][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3153.844888][ T7704] ipv6_find_idev+0x102/0x170 [ 3153.844888][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.844888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.844888][ T7704] netlink_rcv_skb+0x130/0x360 [ 3153.844888][ T7704] netlink_unicast+0x449/0x710 [ 3153.844888][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3153.844888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3153.844888][ T7704] ___sys_sendmsg+0xee/0x170 [ 3153.844888][ T7704] __sys_sendmsg+0xcd/0x170 [ 3153.844888][ T7704] do_syscall_64+0xc6/0x1e0 [ 3153.844888][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.844888][ T7704] [ 3153.846780][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3153.846780][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3153.846780][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3153.846780][ T7704] ipv6_find_idev+0x102/0x170 [ 3153.846780][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.846780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.846780][ T7704] netlink_rcv_skb+0x130/0x360 [ 3153.846780][ T7704] netlink_unicast+0x449/0x710 [ 3153.846780][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3153.846780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3153.846780][ T7704] ___sys_sendmsg+0xee/0x170 [ 3153.846780][ T7704] __sys_sendmsg+0xcd/0x170 [ 3153.846780][ T7704] do_syscall_64+0xc6/0x1e0 [ 3153.846780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.846780][ T7704] [ 3164.084815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3164.085304][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3164.085304][ T7704] netdev_get_by_index+0x5e/0x80 [ 3164.085304][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3164.085304][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3164.085304][ T7704] ip6_route_add+0x1c/0x140 [ 3164.085304][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3164.085304][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3164.085304][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3164.085304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3164.085304][ T7704] netlink_rcv_skb+0x130/0x360 [ 3164.085304][ T7704] netlink_unicast+0x449/0x710 [ 3164.085304][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3164.085304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3164.085304][ T7704] ___sys_sendmsg+0xee/0x170 [ 3164.085304][ T7704] __sys_sendmsg+0xcd/0x170 [ 3164.085304][ T7704] do_syscall_64+0xc6/0x1e0 [ 3164.085304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3164.085304][ T7704] [ 3164.087801][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3164.087801][ T7704] netdev_get_by_index+0x5e/0x80 [ 3164.087801][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3164.087801][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3164.087801][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3164.087801][ T7704] ipv6_add_addr+0x411/0x2000 [ 3164.087801][ T7704] inet6_addr_add+0x30e/0xa40 [ 3164.087801][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3164.087801][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3164.087801][ T7704] netlink_rcv_skb+0x130/0x360 [ 3164.087801][ T7704] netlink_unicast+0x449/0x710 [ 3164.087801][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3164.087801][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3164.087801][ T7704] ___sys_sendmsg+0xee/0x170 [ 3164.087801][ T7704] __sys_sendmsg+0xcd/0x170 [ 3164.087801][ T7704] do_syscall_64+0xc6/0x1e0 [ 3164.087801][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3164.087801][ T7704] [ 3164.090282][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3164.090282][ T7704] netdev_get_by_index+0x5e/0x80 [ 3164.090282][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3164.090282][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3164.090282][ T7704] ip6_route_add+0x1c/0x140 [ 3164.090282][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3164.090282][ T7704] addrconf_add_dev+0xe2/0x170 [ 3164.090282][ T7704] inet6_addr_add+0x12f/0xa40 [ 3164.090282][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3164.090282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3164.090282][ T7704] netlink_rcv_skb+0x130/0x360 [ 3164.090282][ T7704] netlink_unicast+0x449/0x710 [ 3164.090282][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3164.090282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3164.090282][ T7704] ___sys_sendmsg+0xee/0x170 [ 3164.090282][ T7704] __sys_sendmsg+0xcd/0x170 [ 3164.090282][ T7704] do_syscall_64+0xc6/0x1e0 [ 3164.090282][ T7704] [ 3164.092711][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3164.092711][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3164.092711][ T7704] ipv6_find_idev+0x102/0x170 [ 3164.092711][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3164.092711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3164.092711][ T7704] netlink_rcv_skb+0x130/0x360 [ 3164.092711][ T7704] netlink_unicast+0x449/0x710 [ 3164.092711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3164.092711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3164.092711][ T7704] ___sys_sendmsg+0xee/0x170 [ 3164.092711][ T7704] __sys_sendmsg+0xcd/0x170 [ 3164.092711][ T7704] do_syscall_64+0xc6/0x1e0 [ 3164.092711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3164.092711][ T7704] [ 3164.094624][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3164.094624][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3164.094624][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3164.094624][ T7704] ipv6_find_idev+0x102/0x170 [ 3164.094624][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3164.094624][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3164.094624][ T7704] netlink_rcv_skb+0x130/0x360 [ 3164.094624][ T7704] netlink_unicast+0x449/0x710 [ 3164.094624][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3164.094624][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3164.094624][ T7704] ___sys_sendmsg+0xee/0x170 [ 3164.094624][ T7704] __sys_sendmsg+0xcd/0x170 [ 3164.094624][ T7704] do_syscall_64+0xc6/0x1e0 [ 3164.094624][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3164.094624][ T7704] [ 3174.332804][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3174.333315][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3174.333315][ T7704] netdev_get_by_index+0x5e/0x80 [ 3174.333315][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3174.333315][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3174.333315][ T7704] ip6_route_add+0x1c/0x140 [ 3174.333315][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3174.333315][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3174.333315][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3174.333315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.333315][ T7704] netlink_rcv_skb+0x130/0x360 [ 3174.333315][ T7704] netlink_unicast+0x449/0x710 [ 3174.333315][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3174.333315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3174.333315][ T7704] ___sys_sendmsg+0xee/0x170 [ 3174.333315][ T7704] __sys_sendmsg+0xcd/0x170 [ 3174.333315][ T7704] do_syscall_64+0xc6/0x1e0 [ 3174.333315][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.333315][ T7704] [ 3174.335621][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3174.335621][ T7704] netdev_get_by_index+0x5e/0x80 [ 3174.335621][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3174.335621][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3174.335621][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3174.335621][ T7704] ipv6_add_addr+0x411/0x2000 [ 3174.335621][ T7704] inet6_addr_add+0x30e/0xa40 [ 3174.335621][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3174.335621][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.335621][ T7704] netlink_rcv_skb+0x130/0x360 [ 3174.335621][ T7704] netlink_unicast+0x449/0x710 [ 3174.335621][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3174.335621][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3174.335621][ T7704] ___sys_sendmsg+0xee/0x170 [ 3174.335621][ T7704] __sys_sendmsg+0xcd/0x170 [ 3174.335621][ T7704] do_syscall_64+0xc6/0x1e0 [ 3174.335621][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.335621][ T7704] [ 3174.337864][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3174.337864][ T7704] netdev_get_by_index+0x5e/0x80 [ 3174.337864][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3174.337864][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3174.337864][ T7704] ip6_route_add+0x1c/0x140 [ 3174.337864][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3174.337864][ T7704] addrconf_add_dev+0xe2/0x170 [ 3174.337864][ T7704] inet6_addr_add+0x12f/0xa40 [ 3174.337864][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3174.337864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.337864][ T7704] netlink_rcv_skb+0x130/0x360 [ 3174.337864][ T7704] netlink_unicast+0x449/0x710 [ 3174.337864][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3174.337864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3174.337864][ T7704] ___sys_sendmsg+0xee/0x170 [ 3174.337864][ T7704] __sys_sendmsg+0xcd/0x170 [ 3174.337864][ T7704] do_syscall_64+0xc6/0x1e0 [ 3174.337864][ T7704] [ 3174.340056][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3174.340056][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3174.340056][ T7704] ipv6_find_idev+0x102/0x170 [ 3174.340056][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3174.340056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.340056][ T7704] netlink_rcv_skb+0x130/0x360 [ 3174.340056][ T7704] netlink_unicast+0x449/0x710 [ 3174.340056][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3174.340056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3174.340056][ T7704] ___sys_sendmsg+0xee/0x170 [ 3174.340056][ T7704] __sys_sendmsg+0xcd/0x170 [ 3174.340056][ T7704] do_syscall_64+0xc6/0x1e0 [ 3174.340056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.340056][ T7704] [ 3174.341769][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3174.341769][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3174.341769][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3174.341769][ T7704] ipv6_find_idev+0x102/0x170 [ 3174.341769][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3174.341769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.341769][ T7704] netlink_rcv_skb+0x130/0x360 [ 3174.341769][ T7704] netlink_unicast+0x449/0x710 [ 3174.341769][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3174.341769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3174.341769][ T7704] ___sys_sendmsg+0xee/0x170 [ 3174.341769][ T7704] __sys_sendmsg+0xcd/0x170 [ 3174.341769][ T7704] do_syscall_64+0xc6/0x1e0 [ 3174.341769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.341769][ T7704] [ 3184.580803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3184.581407][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3184.581407][ T7704] netdev_get_by_index+0x5e/0x80 [ 3184.581407][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3184.581407][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3184.581407][ T7704] ip6_route_add+0x1c/0x140 [ 3184.581407][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3184.581407][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3184.581407][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3184.581407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.581407][ T7704] netlink_rcv_skb+0x130/0x360 [ 3184.581407][ T7704] netlink_unicast+0x449/0x710 [ 3184.581407][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3184.581407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3184.581407][ T7704] ___sys_sendmsg+0xee/0x170 [ 3184.581407][ T7704] __sys_sendmsg+0xcd/0x170 [ 3184.581407][ T7704] do_syscall_64+0xc6/0x1e0 [ 3184.581407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.581407][ T7704] [ 3184.584791][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3184.584791][ T7704] netdev_get_by_index+0x5e/0x80 [ 3184.584791][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3184.584791][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3184.584791][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3184.584791][ T7704] ipv6_add_addr+0x411/0x2000 [ 3184.584791][ T7704] inet6_addr_add+0x30e/0xa40 [ 3184.584791][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3184.584791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.584791][ T7704] netlink_rcv_skb+0x130/0x360 [ 3184.584791][ T7704] netlink_unicast+0x449/0x710 [ 3184.584791][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3184.584791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3184.584791][ T7704] ___sys_sendmsg+0xee/0x170 [ 3184.584791][ T7704] __sys_sendmsg+0xcd/0x170 [ 3184.584791][ T7704] do_syscall_64+0xc6/0x1e0 [ 3184.584791][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.584791][ T7704] [ 3184.588326][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3184.588326][ T7704] netdev_get_by_index+0x5e/0x80 [ 3184.588326][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3184.588326][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3184.588326][ T7704] ip6_route_add+0x1c/0x140 [ 3184.588326][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3184.588326][ T7704] addrconf_add_dev+0xe2/0x170 [ 3184.588326][ T7704] inet6_addr_add+0x12f/0xa40 [ 3184.588326][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3184.588326][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.588326][ T7704] netlink_rcv_skb+0x130/0x360 [ 3184.588326][ T7704] netlink_unicast+0x449/0x710 [ 3184.588326][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3184.588326][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3184.588326][ T7704] ___sys_sendmsg+0xee/0x170 [ 3184.588326][ T7704] __sys_sendmsg+0xcd/0x170 [ 3184.588326][ T7704] do_syscall_64+0xc6/0x1e0 [ 3184.588326][ T7704] [ 3184.590867][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3184.590867][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3184.590867][ T7704] ipv6_find_idev+0x102/0x170 [ 3184.590867][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.590867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.590867][ T7704] netlink_rcv_skb+0x130/0x360 [ 3184.590867][ T7704] netlink_unicast+0x449/0x710 [ 3184.590867][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3184.590867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3184.590867][ T7704] ___sys_sendmsg+0xee/0x170 [ 3184.590867][ T7704] __sys_sendmsg+0xcd/0x170 [ 3184.590867][ T7704] do_syscall_64+0xc6/0x1e0 [ 3184.590867][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.590867][ T7704] [ 3184.592909][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3184.592909][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3184.592909][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3184.592909][ T7704] ipv6_find_idev+0x102/0x170 [ 3184.592909][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.592909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.592909][ T7704] netlink_rcv_skb+0x130/0x360 [ 3184.592909][ T7704] netlink_unicast+0x449/0x710 [ 3184.592909][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3184.592909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3184.592909][ T7704] ___sys_sendmsg+0xee/0x170 [ 3184.592909][ T7704] __sys_sendmsg+0xcd/0x170 [ 3184.592909][ T7704] do_syscall_64+0xc6/0x1e0 [ 3184.592909][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.592909][ T7704] [ 3194.804800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3194.805289][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3194.805289][ T7704] netdev_get_by_index+0x5e/0x80 [ 3194.805289][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3194.805289][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3194.805289][ T7704] ip6_route_add+0x1c/0x140 [ 3194.805289][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3194.805289][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3194.805289][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3194.805289][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.805289][ T7704] netlink_rcv_skb+0x130/0x360 [ 3194.805289][ T7704] netlink_unicast+0x449/0x710 [ 3194.805289][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3194.805289][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3194.805289][ T7704] ___sys_sendmsg+0xee/0x170 [ 3194.805289][ T7704] __sys_sendmsg+0xcd/0x170 [ 3194.805289][ T7704] do_syscall_64+0xc6/0x1e0 [ 3194.805289][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.805289][ T7704] [ 3194.807511][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3194.807511][ T7704] netdev_get_by_index+0x5e/0x80 [ 3194.807511][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3194.807511][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3194.807511][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3194.807511][ T7704] ipv6_add_addr+0x411/0x2000 [ 3194.807511][ T7704] inet6_addr_add+0x30e/0xa40 [ 3194.807511][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3194.807511][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.807511][ T7704] netlink_rcv_skb+0x130/0x360 [ 3194.807511][ T7704] netlink_unicast+0x449/0x710 [ 3194.807511][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3194.807511][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3194.807511][ T7704] ___sys_sendmsg+0xee/0x170 [ 3194.807511][ T7704] __sys_sendmsg+0xcd/0x170 [ 3194.807511][ T7704] do_syscall_64+0xc6/0x1e0 [ 3194.807511][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.807511][ T7704] [ 3194.809726][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3194.809726][ T7704] netdev_get_by_index+0x5e/0x80 [ 3194.809726][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3194.809726][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3194.809726][ T7704] ip6_route_add+0x1c/0x140 [ 3194.809726][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3194.809726][ T7704] addrconf_add_dev+0xe2/0x170 [ 3194.809726][ T7704] inet6_addr_add+0x12f/0xa40 [ 3194.809726][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3194.809726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.809726][ T7704] netlink_rcv_skb+0x130/0x360 [ 3194.809726][ T7704] netlink_unicast+0x449/0x710 [ 3194.809726][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3194.809726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3194.809726][ T7704] ___sys_sendmsg+0xee/0x170 [ 3194.809726][ T7704] __sys_sendmsg+0xcd/0x170 [ 3194.809726][ T7704] do_syscall_64+0xc6/0x1e0 [ 3194.809726][ T7704] [ 3194.811886][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3194.811886][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3194.811886][ T7704] ipv6_find_idev+0x102/0x170 [ 3194.811886][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.811886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.811886][ T7704] netlink_rcv_skb+0x130/0x360 [ 3194.811886][ T7704] netlink_unicast+0x449/0x710 [ 3194.811886][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3194.811886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3194.811886][ T7704] ___sys_sendmsg+0xee/0x170 [ 3194.811886][ T7704] __sys_sendmsg+0xcd/0x170 [ 3194.811886][ T7704] do_syscall_64+0xc6/0x1e0 [ 3194.811886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.811886][ T7704] [ 3194.813577][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3194.813577][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3194.813577][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3194.813577][ T7704] ipv6_find_idev+0x102/0x170 [ 3194.813577][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.813577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.813577][ T7704] netlink_rcv_skb+0x130/0x360 [ 3194.813577][ T7704] netlink_unicast+0x449/0x710 [ 3194.813577][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3194.813577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3194.813577][ T7704] ___sys_sendmsg+0xee/0x170 [ 3194.813577][ T7704] __sys_sendmsg+0xcd/0x170 [ 3194.813577][ T7704] do_syscall_64+0xc6/0x1e0 [ 3194.813577][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.813577][ T7704] [ 3205.052807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3205.053280][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3205.053280][ T7704] netdev_get_by_index+0x5e/0x80 [ 3205.053280][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3205.053280][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3205.053280][ T7704] ip6_route_add+0x1c/0x140 [ 3205.053280][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3205.053280][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3205.053280][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3205.053280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3205.053280][ T7704] netlink_rcv_skb+0x130/0x360 [ 3205.053280][ T7704] netlink_unicast+0x449/0x710 [ 3205.053280][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3205.053280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3205.053280][ T7704] ___sys_sendmsg+0xee/0x170 [ 3205.053280][ T7704] __sys_sendmsg+0xcd/0x170 [ 3205.053280][ T7704] do_syscall_64+0xc6/0x1e0 [ 3205.053280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3205.053280][ T7704] [ 3205.055527][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3205.055527][ T7704] netdev_get_by_index+0x5e/0x80 [ 3205.055527][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3205.055527][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3205.055527][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3205.055527][ T7704] ipv6_add_addr+0x411/0x2000 [ 3205.055527][ T7704] inet6_addr_add+0x30e/0xa40 [ 3205.055527][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3205.055527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3205.055527][ T7704] netlink_rcv_skb+0x130/0x360 [ 3205.055527][ T7704] netlink_unicast+0x449/0x710 [ 3205.055527][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3205.055527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3205.055527][ T7704] ___sys_sendmsg+0xee/0x170 [ 3205.055527][ T7704] __sys_sendmsg+0xcd/0x170 [ 3205.055527][ T7704] do_syscall_64+0xc6/0x1e0 [ 3205.055527][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3205.055527][ T7704] [ 3205.057727][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3205.057727][ T7704] netdev_get_by_index+0x5e/0x80 [ 3205.057727][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3205.057727][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3205.057727][ T7704] ip6_route_add+0x1c/0x140 [ 3205.057727][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3205.057727][ T7704] addrconf_add_dev+0xe2/0x170 [ 3205.057727][ T7704] inet6_addr_add+0x12f/0xa40 [ 3205.057727][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3205.057727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3205.057727][ T7704] netlink_rcv_skb+0x130/0x360 [ 3205.057727][ T7704] netlink_unicast+0x449/0x710 [ 3205.057727][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3205.057727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3205.057727][ T7704] ___sys_sendmsg+0xee/0x170 [ 3205.057727][ T7704] __sys_sendmsg+0xcd/0x170 [ 3205.057727][ T7704] do_syscall_64+0xc6/0x1e0 [ 3205.057727][ T7704] [ 3205.059896][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3205.059896][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3205.059896][ T7704] ipv6_find_idev+0x102/0x170 [ 3205.059896][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3205.059896][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3205.059896][ T7704] netlink_rcv_skb+0x130/0x360 [ 3205.059896][ T7704] netlink_unicast+0x449/0x710 [ 3205.059896][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3205.059896][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3205.059896][ T7704] ___sys_sendmsg+0xee/0x170 [ 3205.059896][ T7704] __sys_sendmsg+0xcd/0x170 [ 3205.059896][ T7704] do_syscall_64+0xc6/0x1e0 [ 3205.059896][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3205.059896][ T7704] [ 3205.061587][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3205.061587][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3205.061587][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3205.061587][ T7704] ipv6_find_idev+0x102/0x170 [ 3205.061587][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3205.061587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3205.061587][ T7704] netlink_rcv_skb+0x130/0x360 [ 3205.061587][ T7704] netlink_unicast+0x449/0x710 [ 3205.061587][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3205.061587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3205.061587][ T7704] ___sys_sendmsg+0xee/0x170 [ 3205.061587][ T7704] __sys_sendmsg+0xcd/0x170 [ 3205.061587][ T7704] do_syscall_64+0xc6/0x1e0 [ 3205.061587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3205.061587][ T7704] [ 3215.300809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3215.301671][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3215.301671][ T7704] netdev_get_by_index+0x5e/0x80 [ 3215.301671][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3215.301671][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3215.301671][ T7704] ip6_route_add+0x1c/0x140 [ 3215.301671][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3215.301671][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3215.301671][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3215.301671][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.301671][ T7704] netlink_rcv_skb+0x130/0x360 [ 3215.301671][ T7704] netlink_unicast+0x449/0x710 [ 3215.301671][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3215.301671][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3215.301671][ T7704] ___sys_sendmsg+0xee/0x170 [ 3215.301671][ T7704] __sys_sendmsg+0xcd/0x170 [ 3215.301671][ T7704] do_syscall_64+0xc6/0x1e0 [ 3215.301671][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.301671][ T7704] [ 3215.303917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3215.303917][ T7704] netdev_get_by_index+0x5e/0x80 [ 3215.303917][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3215.303917][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3215.303917][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3215.303917][ T7704] ipv6_add_addr+0x411/0x2000 [ 3215.303917][ T7704] inet6_addr_add+0x30e/0xa40 [ 3215.303917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3215.303917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.303917][ T7704] netlink_rcv_skb+0x130/0x360 [ 3215.303917][ T7704] netlink_unicast+0x449/0x710 [ 3215.303917][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3215.303917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3215.303917][ T7704] ___sys_sendmsg+0xee/0x170 [ 3215.303917][ T7704] __sys_sendmsg+0xcd/0x170 [ 3215.303917][ T7704] do_syscall_64+0xc6/0x1e0 [ 3215.303917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.303917][ T7704] [ 3215.306160][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3215.306160][ T7704] netdev_get_by_index+0x5e/0x80 [ 3215.306160][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3215.306160][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3215.306160][ T7704] ip6_route_add+0x1c/0x140 [ 3215.306160][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3215.306160][ T7704] addrconf_add_dev+0xe2/0x170 [ 3215.306160][ T7704] inet6_addr_add+0x12f/0xa40 [ 3215.306160][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3215.306160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.306160][ T7704] netlink_rcv_skb+0x130/0x360 [ 3215.306160][ T7704] netlink_unicast+0x449/0x710 [ 3215.306160][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3215.306160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3215.306160][ T7704] ___sys_sendmsg+0xee/0x170 [ 3215.306160][ T7704] __sys_sendmsg+0xcd/0x170 [ 3215.306160][ T7704] do_syscall_64+0xc6/0x1e0 [ 3215.306160][ T7704] [ 3215.308336][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3215.308336][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3215.308336][ T7704] ipv6_find_idev+0x102/0x170 [ 3215.308336][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3215.308336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.308336][ T7704] netlink_rcv_skb+0x130/0x360 [ 3215.308336][ T7704] netlink_unicast+0x449/0x710 [ 3215.308336][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3215.308336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3215.308336][ T7704] ___sys_sendmsg+0xee/0x170 [ 3215.308336][ T7704] __sys_sendmsg+0xcd/0x170 [ 3215.308336][ T7704] do_syscall_64+0xc6/0x1e0 [ 3215.308336][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.308336][ T7704] [ 3215.310036][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3215.310036][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3215.310036][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3215.310036][ T7704] ipv6_find_idev+0x102/0x170 [ 3215.310036][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3215.310036][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.310036][ T7704] netlink_rcv_skb+0x130/0x360 [ 3215.310036][ T7704] netlink_unicast+0x449/0x710 [ 3215.310036][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3215.310036][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3215.310036][ T7704] ___sys_sendmsg+0xee/0x170 [ 3215.310036][ T7704] __sys_sendmsg+0xcd/0x170 [ 3215.310036][ T7704] do_syscall_64+0xc6/0x1e0 [ 3215.310036][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.310036][ T7704] [ 3225.548834][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3225.549310][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3225.549310][ T7704] netdev_get_by_index+0x5e/0x80 [ 3225.549310][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3225.549310][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3225.549310][ T7704] ip6_route_add+0x1c/0x140 [ 3225.549310][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3225.549310][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3225.549310][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3225.549310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.549310][ T7704] netlink_rcv_skb+0x130/0x360 [ 3225.549310][ T7704] netlink_unicast+0x449/0x710 [ 3225.549310][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3225.549310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3225.549310][ T7704] ___sys_sendmsg+0xee/0x170 [ 3225.549310][ T7704] __sys_sendmsg+0xcd/0x170 [ 3225.549310][ T7704] do_syscall_64+0xc6/0x1e0 [ 3225.549310][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.549310][ T7704] [ 3225.551543][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3225.551543][ T7704] netdev_get_by_index+0x5e/0x80 [ 3225.551543][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3225.551543][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3225.551543][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3225.551543][ T7704] ipv6_add_addr+0x411/0x2000 [ 3225.551543][ T7704] inet6_addr_add+0x30e/0xa40 [ 3225.551543][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3225.551543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.551543][ T7704] netlink_rcv_skb+0x130/0x360 [ 3225.551543][ T7704] netlink_unicast+0x449/0x710 [ 3225.551543][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3225.551543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3225.551543][ T7704] ___sys_sendmsg+0xee/0x170 [ 3225.551543][ T7704] __sys_sendmsg+0xcd/0x170 [ 3225.551543][ T7704] do_syscall_64+0xc6/0x1e0 [ 3225.551543][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.551543][ T7704] [ 3225.553757][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3225.553757][ T7704] netdev_get_by_index+0x5e/0x80 [ 3225.553757][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3225.553757][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3225.553757][ T7704] ip6_route_add+0x1c/0x140 [ 3225.553757][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3225.553757][ T7704] addrconf_add_dev+0xe2/0x170 [ 3225.553757][ T7704] inet6_addr_add+0x12f/0xa40 [ 3225.553757][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3225.553757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.553757][ T7704] netlink_rcv_skb+0x130/0x360 [ 3225.553757][ T7704] netlink_unicast+0x449/0x710 [ 3225.553757][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3225.553757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3225.553757][ T7704] ___sys_sendmsg+0xee/0x170 [ 3225.553757][ T7704] __sys_sendmsg+0xcd/0x170 [ 3225.553757][ T7704] do_syscall_64+0xc6/0x1e0 [ 3225.553757][ T7704] [ 3225.555990][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3225.555990][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3225.555990][ T7704] ipv6_find_idev+0x102/0x170 [ 3225.555990][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.555990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.555990][ T7704] netlink_rcv_skb+0x130/0x360 [ 3225.555990][ T7704] netlink_unicast+0x449/0x710 [ 3225.555990][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3225.555990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3225.555990][ T7704] ___sys_sendmsg+0xee/0x170 [ 3225.555990][ T7704] __sys_sendmsg+0xcd/0x170 [ 3225.555990][ T7704] do_syscall_64+0xc6/0x1e0 [ 3225.555990][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.555990][ T7704] [ 3225.557688][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3225.557688][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3225.557688][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3225.557688][ T7704] ipv6_find_idev+0x102/0x170 [ 3225.557688][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.557688][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.557688][ T7704] netlink_rcv_skb+0x130/0x360 [ 3225.557688][ T7704] netlink_unicast+0x449/0x710 [ 3225.557688][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3225.557688][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3225.557688][ T7704] ___sys_sendmsg+0xee/0x170 [ 3225.557688][ T7704] __sys_sendmsg+0xcd/0x170 [ 3225.557688][ T7704] do_syscall_64+0xc6/0x1e0 [ 3225.557688][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.557688][ T7704] [ 3235.836877][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3235.837374][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3235.837374][ T7704] netdev_get_by_index+0x5e/0x80 [ 3235.837374][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3235.837374][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3235.837374][ T7704] ip6_route_add+0x1c/0x140 [ 3235.837374][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3235.837374][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3235.837374][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3235.837374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.837374][ T7704] netlink_rcv_skb+0x130/0x360 [ 3235.837374][ T7704] netlink_unicast+0x449/0x710 [ 3235.837374][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3235.837374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3235.837374][ T7704] ___sys_sendmsg+0xee/0x170 [ 3235.837374][ T7704] __sys_sendmsg+0xcd/0x170 [ 3235.837374][ T7704] do_syscall_64+0xc6/0x1e0 [ 3235.837374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.837374][ T7704] [ 3235.839643][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3235.839643][ T7704] netdev_get_by_index+0x5e/0x80 [ 3235.839643][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3235.839643][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3235.839643][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3235.839643][ T7704] ipv6_add_addr+0x411/0x2000 [ 3235.839643][ T7704] inet6_addr_add+0x30e/0xa40 [ 3235.839643][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3235.839643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.839643][ T7704] netlink_rcv_skb+0x130/0x360 [ 3235.839643][ T7704] netlink_unicast+0x449/0x710 [ 3235.839643][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3235.839643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3235.839643][ T7704] ___sys_sendmsg+0xee/0x170 [ 3235.839643][ T7704] __sys_sendmsg+0xcd/0x170 [ 3235.839643][ T7704] do_syscall_64+0xc6/0x1e0 [ 3235.839643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.839643][ T7704] [ 3235.841883][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3235.841883][ T7704] netdev_get_by_index+0x5e/0x80 [ 3235.841883][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3235.841883][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3235.841883][ T7704] ip6_route_add+0x1c/0x140 [ 3235.841883][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3235.841883][ T7704] addrconf_add_dev+0xe2/0x170 [ 3235.841883][ T7704] inet6_addr_add+0x12f/0xa40 [ 3235.841883][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3235.841883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.841883][ T7704] netlink_rcv_skb+0x130/0x360 [ 3235.841883][ T7704] netlink_unicast+0x449/0x710 [ 3235.841883][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3235.841883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3235.841883][ T7704] ___sys_sendmsg+0xee/0x170 [ 3235.841883][ T7704] __sys_sendmsg+0xcd/0x170 [ 3235.841883][ T7704] do_syscall_64+0xc6/0x1e0 [ 3235.841883][ T7704] [ 3235.844077][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3235.844077][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3235.844077][ T7704] ipv6_find_idev+0x102/0x170 [ 3235.844077][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.844077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.844077][ T7704] netlink_rcv_skb+0x130/0x360 [ 3235.844077][ T7704] netlink_unicast+0x449/0x710 [ 3235.844077][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3235.844077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3235.844077][ T7704] ___sys_sendmsg+0xee/0x170 [ 3235.844077][ T7704] __sys_sendmsg+0xcd/0x170 [ 3235.844077][ T7704] do_syscall_64+0xc6/0x1e0 [ 3235.844077][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.844077][ T7704] [ 3235.845803][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3235.845803][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3235.845803][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3235.845803][ T7704] ipv6_find_idev+0x102/0x170 [ 3235.845803][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.845803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.845803][ T7704] netlink_rcv_skb+0x130/0x360 [ 3235.845803][ T7704] netlink_unicast+0x449/0x710 [ 3235.845803][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3235.845803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3235.845803][ T7704] ___sys_sendmsg+0xee/0x170 [ 3235.845803][ T7704] __sys_sendmsg+0xcd/0x170 [ 3235.845803][ T7704] do_syscall_64+0xc6/0x1e0 [ 3235.845803][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.845803][ T7704] [ 3246.084853][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3246.085361][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3246.085361][ T7704] netdev_get_by_index+0x5e/0x80 [ 3246.085361][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3246.085361][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3246.085361][ T7704] ip6_route_add+0x1c/0x140 [ 3246.085361][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3246.085361][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3246.085361][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3246.085361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3246.085361][ T7704] netlink_rcv_skb+0x130/0x360 [ 3246.085361][ T7704] netlink_unicast+0x449/0x710 [ 3246.085361][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3246.085361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3246.085361][ T7704] ___sys_sendmsg+0xee/0x170 [ 3246.085361][ T7704] __sys_sendmsg+0xcd/0x170 [ 3246.085361][ T7704] do_syscall_64+0xc6/0x1e0 [ 3246.085361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3246.085361][ T7704] [ 3246.087628][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3246.087628][ T7704] netdev_get_by_index+0x5e/0x80 [ 3246.087628][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3246.087628][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3246.087628][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3246.087628][ T7704] ipv6_add_addr+0x411/0x2000 [ 3246.087628][ T7704] inet6_addr_add+0x30e/0xa40 [ 3246.087628][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3246.087628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3246.087628][ T7704] netlink_rcv_skb+0x130/0x360 [ 3246.087628][ T7704] netlink_unicast+0x449/0x710 [ 3246.087628][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3246.087628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3246.087628][ T7704] ___sys_sendmsg+0xee/0x170 [ 3246.087628][ T7704] __sys_sendmsg+0xcd/0x170 [ 3246.087628][ T7704] do_syscall_64+0xc6/0x1e0 [ 3246.087628][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3246.087628][ T7704] [ 3246.089863][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3246.089863][ T7704] netdev_get_by_index+0x5e/0x80 [ 3246.089863][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3246.089863][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3246.089863][ T7704] ip6_route_add+0x1c/0x140 [ 3246.089863][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3246.089863][ T7704] addrconf_add_dev+0xe2/0x170 [ 3246.089863][ T7704] inet6_addr_add+0x12f/0xa40 [ 3246.089863][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3246.089863][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3246.089863][ T7704] netlink_rcv_skb+0x130/0x360 [ 3246.089863][ T7704] netlink_unicast+0x449/0x710 [ 3246.089863][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3246.089863][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3246.089863][ T7704] ___sys_sendmsg+0xee/0x170 [ 3246.089863][ T7704] __sys_sendmsg+0xcd/0x170 [ 3246.089863][ T7704] do_syscall_64+0xc6/0x1e0 [ 3246.089863][ T7704] [ 3246.092064][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3246.092064][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3246.092064][ T7704] ipv6_find_idev+0x102/0x170 [ 3246.092064][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3246.092064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3246.092064][ T7704] netlink_rcv_skb+0x130/0x360 [ 3246.092064][ T7704] netlink_unicast+0x449/0x710 [ 3246.092064][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3246.092064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3246.092064][ T7704] ___sys_sendmsg+0xee/0x170 [ 3246.092064][ T7704] __sys_sendmsg+0xcd/0x170 [ 3246.092064][ T7704] do_syscall_64+0xc6/0x1e0 [ 3246.092064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3246.092064][ T7704] [ 3246.093778][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3246.093778][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3246.093778][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3246.093778][ T7704] ipv6_find_idev+0x102/0x170 [ 3246.093778][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3246.093778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3246.093778][ T7704] netlink_rcv_skb+0x130/0x360 [ 3246.093778][ T7704] netlink_unicast+0x449/0x710 [ 3246.093778][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3246.093778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3246.093778][ T7704] ___sys_sendmsg+0xee/0x170 [ 3246.093778][ T7704] __sys_sendmsg+0xcd/0x170 [ 3246.093778][ T7704] do_syscall_64+0xc6/0x1e0 [ 3246.093778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3246.093778][ T7704] [ 3256.116823][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3256.117308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3256.117308][ T7704] netdev_get_by_index+0x5e/0x80 [ 3256.117308][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3256.117308][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3256.117308][ T7704] ip6_route_add+0x1c/0x140 [ 3256.117308][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3256.117308][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3256.117308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3256.117308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.117308][ T7704] netlink_rcv_skb+0x130/0x360 [ 3256.117308][ T7704] netlink_unicast+0x449/0x710 [ 3256.117308][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3256.117308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3256.117308][ T7704] ___sys_sendmsg+0xee/0x170 [ 3256.117308][ T7704] __sys_sendmsg+0xcd/0x170 [ 3256.117308][ T7704] do_syscall_64+0xc6/0x1e0 [ 3256.117308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.117308][ T7704] [ 3256.119579][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3256.119579][ T7704] netdev_get_by_index+0x5e/0x80 [ 3256.119579][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3256.119579][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3256.119579][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3256.119579][ T7704] ipv6_add_addr+0x411/0x2000 [ 3256.119579][ T7704] inet6_addr_add+0x30e/0xa40 [ 3256.119579][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3256.119579][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.119579][ T7704] netlink_rcv_skb+0x130/0x360 [ 3256.119579][ T7704] netlink_unicast+0x449/0x710 [ 3256.119579][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3256.119579][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3256.119579][ T7704] ___sys_sendmsg+0xee/0x170 [ 3256.119579][ T7704] __sys_sendmsg+0xcd/0x170 [ 3256.119579][ T7704] do_syscall_64+0xc6/0x1e0 [ 3256.119579][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.119579][ T7704] [ 3256.121813][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3256.121813][ T7704] netdev_get_by_index+0x5e/0x80 [ 3256.121813][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3256.121813][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3256.121813][ T7704] ip6_route_add+0x1c/0x140 [ 3256.121813][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3256.121813][ T7704] addrconf_add_dev+0xe2/0x170 [ 3256.121813][ T7704] inet6_addr_add+0x12f/0xa40 [ 3256.121813][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3256.121813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.121813][ T7704] netlink_rcv_skb+0x130/0x360 [ 3256.121813][ T7704] netlink_unicast+0x449/0x710 [ 3256.121813][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3256.121813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3256.121813][ T7704] ___sys_sendmsg+0xee/0x170 [ 3256.121813][ T7704] __sys_sendmsg+0xcd/0x170 [ 3256.121813][ T7704] do_syscall_64+0xc6/0x1e0 [ 3256.121813][ T7704] [ 3256.124016][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3256.124016][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3256.124016][ T7704] ipv6_find_idev+0x102/0x170 [ 3256.124016][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3256.124016][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.124016][ T7704] netlink_rcv_skb+0x130/0x360 [ 3256.124016][ T7704] netlink_unicast+0x449/0x710 [ 3256.124016][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3256.124016][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3256.124016][ T7704] ___sys_sendmsg+0xee/0x170 [ 3256.124016][ T7704] __sys_sendmsg+0xcd/0x170 [ 3256.124016][ T7704] do_syscall_64+0xc6/0x1e0 [ 3256.124016][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.124016][ T7704] [ 3256.125745][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3256.125745][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3256.125745][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3256.125745][ T7704] ipv6_find_idev+0x102/0x170 [ 3256.125745][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3256.125745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.125745][ T7704] netlink_rcv_skb+0x130/0x360 [ 3256.125745][ T7704] netlink_unicast+0x449/0x710 [ 3256.125745][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3256.125745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3256.125745][ T7704] ___sys_sendmsg+0xee/0x170 [ 3256.125745][ T7704] __sys_sendmsg+0xcd/0x170 [ 3256.125745][ T7704] do_syscall_64+0xc6/0x1e0 [ 3256.125745][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.125745][ T7704] [ 3266.260796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3266.261283][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3266.261283][ T7704] netdev_get_by_index+0x5e/0x80 [ 3266.261283][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3266.261283][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3266.261283][ T7704] ip6_route_add+0x1c/0x140 [ 3266.261283][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3266.261283][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3266.261283][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3266.261283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.261283][ T7704] netlink_rcv_skb+0x130/0x360 [ 3266.261283][ T7704] netlink_unicast+0x449/0x710 [ 3266.261283][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3266.261283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3266.261283][ T7704] ___sys_sendmsg+0xee/0x170 [ 3266.261283][ T7704] __sys_sendmsg+0xcd/0x170 [ 3266.261283][ T7704] do_syscall_64+0xc6/0x1e0 [ 3266.261283][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.261283][ T7704] [ 3266.263649][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3266.263649][ T7704] netdev_get_by_index+0x5e/0x80 [ 3266.263649][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3266.263649][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3266.263649][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3266.263649][ T7704] ipv6_add_addr+0x411/0x2000 [ 3266.263649][ T7704] inet6_addr_add+0x30e/0xa40 [ 3266.263649][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3266.263649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.263649][ T7704] netlink_rcv_skb+0x130/0x360 [ 3266.263649][ T7704] netlink_unicast+0x449/0x710 [ 3266.263649][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3266.263649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3266.263649][ T7704] ___sys_sendmsg+0xee/0x170 [ 3266.263649][ T7704] __sys_sendmsg+0xcd/0x170 [ 3266.263649][ T7704] do_syscall_64+0xc6/0x1e0 [ 3266.263649][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.263649][ T7704] [ 3266.265890][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3266.265890][ T7704] netdev_get_by_index+0x5e/0x80 [ 3266.265890][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3266.265890][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3266.265890][ T7704] ip6_route_add+0x1c/0x140 [ 3266.265890][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3266.265890][ T7704] addrconf_add_dev+0xe2/0x170 [ 3266.265890][ T7704] inet6_addr_add+0x12f/0xa40 [ 3266.265890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3266.265890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.265890][ T7704] netlink_rcv_skb+0x130/0x360 [ 3266.265890][ T7704] netlink_unicast+0x449/0x710 [ 3266.265890][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3266.265890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3266.265890][ T7704] ___sys_sendmsg+0xee/0x170 [ 3266.265890][ T7704] __sys_sendmsg+0xcd/0x170 [ 3266.265890][ T7704] do_syscall_64+0xc6/0x1e0 [ 3266.265890][ T7704] [ 3266.268103][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3266.268103][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3266.268103][ T7704] ipv6_find_idev+0x102/0x170 [ 3266.268103][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3266.268103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.268103][ T7704] netlink_rcv_skb+0x130/0x360 [ 3266.268103][ T7704] netlink_unicast+0x449/0x710 [ 3266.268103][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3266.268103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3266.268103][ T7704] ___sys_sendmsg+0xee/0x170 [ 3266.268103][ T7704] __sys_sendmsg+0xcd/0x170 [ 3266.268103][ T7704] do_syscall_64+0xc6/0x1e0 [ 3266.268103][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.268103][ T7704] [ 3266.269824][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3266.269824][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3266.269824][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3266.269824][ T7704] ipv6_find_idev+0x102/0x170 [ 3266.269824][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3266.269824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.269824][ T7704] netlink_rcv_skb+0x130/0x360 [ 3266.269824][ T7704] netlink_unicast+0x449/0x710 [ 3266.269824][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3266.269824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3266.269824][ T7704] ___sys_sendmsg+0xee/0x170 [ 3266.269824][ T7704] __sys_sendmsg+0xcd/0x170 [ 3266.269824][ T7704] do_syscall_64+0xc6/0x1e0 [ 3266.269824][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.269824][ T7704] [ 3276.508743][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3276.509176][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3276.509176][ T7704] netdev_get_by_index+0x5e/0x80 [ 3276.509176][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3276.509176][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3276.509176][ T7704] ip6_route_add+0x1c/0x140 [ 3276.509176][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3276.509176][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3276.509176][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.509176][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.509176][ T7704] netlink_rcv_skb+0x130/0x360 [ 3276.509176][ T7704] netlink_unicast+0x449/0x710 [ 3276.509176][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3276.509176][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3276.509176][ T7704] ___sys_sendmsg+0xee/0x170 [ 3276.509176][ T7704] __sys_sendmsg+0xcd/0x170 [ 3276.509176][ T7704] do_syscall_64+0xc6/0x1e0 [ 3276.509176][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.509176][ T7704] [ 3276.511437][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3276.511437][ T7704] netdev_get_by_index+0x5e/0x80 [ 3276.511437][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3276.511437][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3276.511437][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3276.511437][ T7704] ipv6_add_addr+0x411/0x2000 [ 3276.511437][ T7704] inet6_addr_add+0x30e/0xa40 [ 3276.511437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.511437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.511437][ T7704] netlink_rcv_skb+0x130/0x360 [ 3276.511437][ T7704] netlink_unicast+0x449/0x710 [ 3276.511437][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3276.511437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3276.511437][ T7704] ___sys_sendmsg+0xee/0x170 [ 3276.511437][ T7704] __sys_sendmsg+0xcd/0x170 [ 3276.511437][ T7704] do_syscall_64+0xc6/0x1e0 [ 3276.511437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.511437][ T7704] [ 3276.513670][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3276.513670][ T7704] netdev_get_by_index+0x5e/0x80 [ 3276.513670][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3276.513670][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3276.513670][ T7704] ip6_route_add+0x1c/0x140 [ 3276.513670][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3276.513670][ T7704] addrconf_add_dev+0xe2/0x170 [ 3276.513670][ T7704] inet6_addr_add+0x12f/0xa40 [ 3276.513670][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.513670][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.513670][ T7704] netlink_rcv_skb+0x130/0x360 [ 3276.513670][ T7704] netlink_unicast+0x449/0x710 [ 3276.513670][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3276.513670][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3276.513670][ T7704] ___sys_sendmsg+0xee/0x170 [ 3276.513670][ T7704] __sys_sendmsg+0xcd/0x170 [ 3276.513670][ T7704] do_syscall_64+0xc6/0x1e0 [ 3276.513670][ T7704] [ 3276.515874][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3276.515874][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3276.515874][ T7704] ipv6_find_idev+0x102/0x170 [ 3276.515874][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.515874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.515874][ T7704] netlink_rcv_skb+0x130/0x360 [ 3276.515874][ T7704] netlink_unicast+0x449/0x710 [ 3276.515874][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3276.515874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3276.515874][ T7704] ___sys_sendmsg+0xee/0x170 [ 3276.515874][ T7704] __sys_sendmsg+0xcd/0x170 [ 3276.515874][ T7704] do_syscall_64+0xc6/0x1e0 [ 3276.515874][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.515874][ T7704] [ 3276.517605][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3276.517605][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3276.517605][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3276.517605][ T7704] ipv6_find_idev+0x102/0x170 [ 3276.517605][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.517605][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.517605][ T7704] netlink_rcv_skb+0x130/0x360 [ 3276.517605][ T7704] netlink_unicast+0x449/0x710 [ 3276.517605][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3276.517605][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3276.517605][ T7704] ___sys_sendmsg+0xee/0x170 [ 3276.517605][ T7704] __sys_sendmsg+0xcd/0x170 [ 3276.517605][ T7704] do_syscall_64+0xc6/0x1e0 [ 3276.517605][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.517605][ T7704] [ 3286.756800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3286.757233][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3286.757233][ T7704] netdev_get_by_index+0x5e/0x80 [ 3286.757233][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3286.757233][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3286.757233][ T7704] ip6_route_add+0x1c/0x140 [ 3286.757233][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3286.757233][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3286.757233][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.757233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.757233][ T7704] netlink_rcv_skb+0x130/0x360 [ 3286.757233][ T7704] netlink_unicast+0x449/0x710 [ 3286.757233][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3286.757233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3286.757233][ T7704] ___sys_sendmsg+0xee/0x170 [ 3286.757233][ T7704] __sys_sendmsg+0xcd/0x170 [ 3286.757233][ T7704] do_syscall_64+0xc6/0x1e0 [ 3286.757233][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.757233][ T7704] [ 3286.759497][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3286.759497][ T7704] netdev_get_by_index+0x5e/0x80 [ 3286.759497][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3286.759497][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3286.759497][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3286.759497][ T7704] ipv6_add_addr+0x411/0x2000 [ 3286.759497][ T7704] inet6_addr_add+0x30e/0xa40 [ 3286.759497][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.759497][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.759497][ T7704] netlink_rcv_skb+0x130/0x360 [ 3286.759497][ T7704] netlink_unicast+0x449/0x710 [ 3286.759497][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3286.759497][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3286.759497][ T7704] ___sys_sendmsg+0xee/0x170 [ 3286.759497][ T7704] __sys_sendmsg+0xcd/0x170 [ 3286.759497][ T7704] do_syscall_64+0xc6/0x1e0 [ 3286.759497][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.759497][ T7704] [ 3286.761742][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3286.761742][ T7704] netdev_get_by_index+0x5e/0x80 [ 3286.761742][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3286.761742][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3286.761742][ T7704] ip6_route_add+0x1c/0x140 [ 3286.761742][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3286.761742][ T7704] addrconf_add_dev+0xe2/0x170 [ 3286.761742][ T7704] inet6_addr_add+0x12f/0xa40 [ 3286.761742][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.761742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.761742][ T7704] netlink_rcv_skb+0x130/0x360 [ 3286.761742][ T7704] netlink_unicast+0x449/0x710 [ 3286.761742][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3286.761742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3286.761742][ T7704] ___sys_sendmsg+0xee/0x170 [ 3286.761742][ T7704] __sys_sendmsg+0xcd/0x170 [ 3286.761742][ T7704] do_syscall_64+0xc6/0x1e0 [ 3286.761742][ T7704] [ 3286.763957][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3286.763957][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3286.763957][ T7704] ipv6_find_idev+0x102/0x170 [ 3286.763957][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.763957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.763957][ T7704] netlink_rcv_skb+0x130/0x360 [ 3286.763957][ T7704] netlink_unicast+0x449/0x710 [ 3286.763957][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3286.763957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3286.763957][ T7704] ___sys_sendmsg+0xee/0x170 [ 3286.763957][ T7704] __sys_sendmsg+0xcd/0x170 [ 3286.763957][ T7704] do_syscall_64+0xc6/0x1e0 [ 3286.763957][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.763957][ T7704] [ 3286.765709][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3286.765709][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3286.765709][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3286.765709][ T7704] ipv6_find_idev+0x102/0x170 [ 3286.765709][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.765709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.765709][ T7704] netlink_rcv_skb+0x130/0x360 [ 3286.765709][ T7704] netlink_unicast+0x449/0x710 [ 3286.765709][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3286.765709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3286.765709][ T7704] ___sys_sendmsg+0xee/0x170 [ 3286.765709][ T7704] __sys_sendmsg+0xcd/0x170 [ 3286.765709][ T7704] do_syscall_64+0xc6/0x1e0 [ 3286.765709][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.765709][ T7704] [ 3296.836900][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3296.837403][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3296.837403][ T7704] netdev_get_by_index+0x5e/0x80 [ 3296.837403][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3296.837403][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3296.837403][ T7704] ip6_route_add+0x1c/0x140 [ 3296.837403][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3296.837403][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3296.837403][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.837403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.837403][ T7704] netlink_rcv_skb+0x130/0x360 [ 3296.837403][ T7704] netlink_unicast+0x449/0x710 [ 3296.837403][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3296.837403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3296.837403][ T7704] ___sys_sendmsg+0xee/0x170 [ 3296.837403][ T7704] __sys_sendmsg+0xcd/0x170 [ 3296.837403][ T7704] do_syscall_64+0xc6/0x1e0 [ 3296.837403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.837403][ T7704] [ 3296.839660][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3296.839660][ T7704] netdev_get_by_index+0x5e/0x80 [ 3296.839660][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3296.839660][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3296.839660][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3296.839660][ T7704] ipv6_add_addr+0x411/0x2000 [ 3296.839660][ T7704] inet6_addr_add+0x30e/0xa40 [ 3296.839660][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.839660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.839660][ T7704] netlink_rcv_skb+0x130/0x360 [ 3296.839660][ T7704] netlink_unicast+0x449/0x710 [ 3296.839660][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3296.839660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3296.839660][ T7704] ___sys_sendmsg+0xee/0x170 [ 3296.839660][ T7704] __sys_sendmsg+0xcd/0x170 [ 3296.839660][ T7704] do_syscall_64+0xc6/0x1e0 [ 3296.839660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.839660][ T7704] [ 3296.841892][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3296.841892][ T7704] netdev_get_by_index+0x5e/0x80 [ 3296.841892][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3296.841892][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3296.841892][ T7704] ip6_route_add+0x1c/0x140 [ 3296.841892][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3296.841892][ T7704] addrconf_add_dev+0xe2/0x170 [ 3296.841892][ T7704] inet6_addr_add+0x12f/0xa40 [ 3296.841892][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.841892][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.841892][ T7704] netlink_rcv_skb+0x130/0x360 [ 3296.841892][ T7704] netlink_unicast+0x449/0x710 [ 3296.841892][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3296.841892][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3296.841892][ T7704] ___sys_sendmsg+0xee/0x170 [ 3296.841892][ T7704] __sys_sendmsg+0xcd/0x170 [ 3296.841892][ T7704] do_syscall_64+0xc6/0x1e0 [ 3296.841892][ T7704] [ 3296.844086][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3296.844086][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3296.844086][ T7704] ipv6_find_idev+0x102/0x170 [ 3296.844086][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.844086][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.844086][ T7704] netlink_rcv_skb+0x130/0x360 [ 3296.844086][ T7704] netlink_unicast+0x449/0x710 [ 3296.844086][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3296.844086][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3296.844086][ T7704] ___sys_sendmsg+0xee/0x170 [ 3296.844086][ T7704] __sys_sendmsg+0xcd/0x170 [ 3296.844086][ T7704] do_syscall_64+0xc6/0x1e0 [ 3296.844086][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.844086][ T7704] [ 3296.845822][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3296.845822][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3296.845822][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3296.845822][ T7704] ipv6_find_idev+0x102/0x170 [ 3296.845822][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.845822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.845822][ T7704] netlink_rcv_skb+0x130/0x360 [ 3296.845822][ T7704] netlink_unicast+0x449/0x710 [ 3296.845822][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3296.845822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3296.845822][ T7704] ___sys_sendmsg+0xee/0x170 [ 3296.845822][ T7704] __sys_sendmsg+0xcd/0x170 [ 3296.845822][ T7704] do_syscall_64+0xc6/0x1e0 [ 3296.845822][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.845822][ T7704] [ 3307.100803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3307.101278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3307.101278][ T7704] netdev_get_by_index+0x5e/0x80 [ 3307.101278][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3307.101278][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3307.101278][ T7704] ip6_route_add+0x1c/0x140 [ 3307.101278][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3307.101278][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3307.101278][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.101278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.101278][ T7704] netlink_rcv_skb+0x130/0x360 [ 3307.101278][ T7704] netlink_unicast+0x449/0x710 [ 3307.101278][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3307.101278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3307.101278][ T7704] ___sys_sendmsg+0xee/0x170 [ 3307.101278][ T7704] __sys_sendmsg+0xcd/0x170 [ 3307.101278][ T7704] do_syscall_64+0xc6/0x1e0 [ 3307.101278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.101278][ T7704] [ 3307.103518][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3307.103518][ T7704] netdev_get_by_index+0x5e/0x80 [ 3307.103518][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3307.103518][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3307.103518][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3307.103518][ T7704] ipv6_add_addr+0x411/0x2000 [ 3307.103518][ T7704] inet6_addr_add+0x30e/0xa40 [ 3307.103518][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.103518][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.103518][ T7704] netlink_rcv_skb+0x130/0x360 [ 3307.103518][ T7704] netlink_unicast+0x449/0x710 [ 3307.103518][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3307.103518][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3307.103518][ T7704] ___sys_sendmsg+0xee/0x170 [ 3307.103518][ T7704] __sys_sendmsg+0xcd/0x170 [ 3307.103518][ T7704] do_syscall_64+0xc6/0x1e0 [ 3307.103518][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.103518][ T7704] [ 3307.105743][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3307.105743][ T7704] netdev_get_by_index+0x5e/0x80 [ 3307.105743][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3307.105743][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3307.105743][ T7704] ip6_route_add+0x1c/0x140 [ 3307.105743][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3307.105743][ T7704] addrconf_add_dev+0xe2/0x170 [ 3307.105743][ T7704] inet6_addr_add+0x12f/0xa40 [ 3307.105743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.105743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.105743][ T7704] netlink_rcv_skb+0x130/0x360 [ 3307.105743][ T7704] netlink_unicast+0x449/0x710 [ 3307.105743][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3307.105743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3307.105743][ T7704] ___sys_sendmsg+0xee/0x170 [ 3307.105743][ T7704] __sys_sendmsg+0xcd/0x170 [ 3307.105743][ T7704] do_syscall_64+0xc6/0x1e0 [ 3307.105743][ T7704] [ 3307.107922][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3307.107922][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3307.107922][ T7704] ipv6_find_idev+0x102/0x170 [ 3307.107922][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.107922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.107922][ T7704] netlink_rcv_skb+0x130/0x360 [ 3307.107922][ T7704] netlink_unicast+0x449/0x710 [ 3307.107922][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3307.107922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3307.107922][ T7704] ___sys_sendmsg+0xee/0x170 [ 3307.107922][ T7704] __sys_sendmsg+0xcd/0x170 [ 3307.107922][ T7704] do_syscall_64+0xc6/0x1e0 [ 3307.107922][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.107922][ T7704] [ 3307.109620][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3307.109620][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3307.109620][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3307.109620][ T7704] ipv6_find_idev+0x102/0x170 [ 3307.109620][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.109620][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.109620][ T7704] netlink_rcv_skb+0x130/0x360 [ 3307.109620][ T7704] netlink_unicast+0x449/0x710 [ 3307.109620][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3307.109620][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3307.109620][ T7704] ___sys_sendmsg+0xee/0x170 [ 3307.109620][ T7704] __sys_sendmsg+0xcd/0x170 [ 3307.109620][ T7704] do_syscall_64+0xc6/0x1e0 [ 3307.109620][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.109620][ T7704] [ 3317.268826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3317.269322][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3317.269322][ T7704] netdev_get_by_index+0x5e/0x80 [ 3317.269322][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3317.269322][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3317.269322][ T7704] ip6_route_add+0x1c/0x140 [ 3317.269322][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3317.269322][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3317.269322][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.269322][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.269322][ T7704] netlink_rcv_skb+0x130/0x360 [ 3317.269322][ T7704] netlink_unicast+0x449/0x710 [ 3317.269322][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3317.269322][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3317.269322][ T7704] ___sys_sendmsg+0xee/0x170 [ 3317.269322][ T7704] __sys_sendmsg+0xcd/0x170 [ 3317.269322][ T7704] do_syscall_64+0xc6/0x1e0 [ 3317.269322][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.269322][ T7704] [ 3317.271557][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3317.271557][ T7704] netdev_get_by_index+0x5e/0x80 [ 3317.271557][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3317.271557][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3317.271557][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3317.271557][ T7704] ipv6_add_addr+0x411/0x2000 [ 3317.271557][ T7704] inet6_addr_add+0x30e/0xa40 [ 3317.271557][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.271557][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.271557][ T7704] netlink_rcv_skb+0x130/0x360 [ 3317.271557][ T7704] netlink_unicast+0x449/0x710 [ 3317.271557][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3317.271557][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3317.271557][ T7704] ___sys_sendmsg+0xee/0x170 [ 3317.271557][ T7704] __sys_sendmsg+0xcd/0x170 [ 3317.271557][ T7704] do_syscall_64+0xc6/0x1e0 [ 3317.271557][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.271557][ T7704] [ 3317.273765][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3317.273765][ T7704] netdev_get_by_index+0x5e/0x80 [ 3317.273765][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3317.273765][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3317.273765][ T7704] ip6_route_add+0x1c/0x140 [ 3317.273765][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3317.273765][ T7704] addrconf_add_dev+0xe2/0x170 [ 3317.273765][ T7704] inet6_addr_add+0x12f/0xa40 [ 3317.273765][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.273765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.273765][ T7704] netlink_rcv_skb+0x130/0x360 [ 3317.273765][ T7704] netlink_unicast+0x449/0x710 [ 3317.273765][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3317.273765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3317.273765][ T7704] ___sys_sendmsg+0xee/0x170 [ 3317.273765][ T7704] __sys_sendmsg+0xcd/0x170 [ 3317.273765][ T7704] do_syscall_64+0xc6/0x1e0 [ 3317.273765][ T7704] [ 3317.275941][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3317.275941][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3317.275941][ T7704] ipv6_find_idev+0x102/0x170 [ 3317.275941][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.275941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.275941][ T7704] netlink_rcv_skb+0x130/0x360 [ 3317.275941][ T7704] netlink_unicast+0x449/0x710 [ 3317.275941][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3317.275941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3317.275941][ T7704] ___sys_sendmsg+0xee/0x170 [ 3317.275941][ T7704] __sys_sendmsg+0xcd/0x170 [ 3317.275941][ T7704] do_syscall_64+0xc6/0x1e0 [ 3317.275941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.275941][ T7704] [ 3317.277648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3317.277648][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3317.277648][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3317.277648][ T7704] ipv6_find_idev+0x102/0x170 [ 3317.277648][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.277648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.277648][ T7704] netlink_rcv_skb+0x130/0x360 [ 3317.277648][ T7704] netlink_unicast+0x449/0x710 [ 3317.277648][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3317.277648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3317.277648][ T7704] ___sys_sendmsg+0xee/0x170 [ 3317.277648][ T7704] __sys_sendmsg+0xcd/0x170 [ 3317.277648][ T7704] do_syscall_64+0xc6/0x1e0 [ 3317.277648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.277648][ T7704] [ 3327.516835][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3327.517317][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3327.517317][ T7704] netdev_get_by_index+0x5e/0x80 [ 3327.517317][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3327.517317][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3327.517317][ T7704] ip6_route_add+0x1c/0x140 [ 3327.517317][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3327.517317][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3327.517317][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.517317][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.517317][ T7704] netlink_rcv_skb+0x130/0x360 [ 3327.517317][ T7704] netlink_unicast+0x449/0x710 [ 3327.517317][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3327.517317][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3327.517317][ T7704] ___sys_sendmsg+0xee/0x170 [ 3327.517317][ T7704] __sys_sendmsg+0xcd/0x170 [ 3327.517317][ T7704] do_syscall_64+0xc6/0x1e0 [ 3327.517317][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.517317][ T7704] [ 3327.519815][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3327.519815][ T7704] netdev_get_by_index+0x5e/0x80 [ 3327.519815][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3327.519815][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3327.519815][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3327.519815][ T7704] ipv6_add_addr+0x411/0x2000 [ 3327.519815][ T7704] inet6_addr_add+0x30e/0xa40 [ 3327.519815][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.519815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.519815][ T7704] netlink_rcv_skb+0x130/0x360 [ 3327.519815][ T7704] netlink_unicast+0x449/0x710 [ 3327.519815][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3327.519815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3327.519815][ T7704] ___sys_sendmsg+0xee/0x170 [ 3327.519815][ T7704] __sys_sendmsg+0xcd/0x170 [ 3327.519815][ T7704] do_syscall_64+0xc6/0x1e0 [ 3327.519815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.519815][ T7704] [ 3327.522286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3327.522286][ T7704] netdev_get_by_index+0x5e/0x80 [ 3327.522286][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3327.522286][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3327.522286][ T7704] ip6_route_add+0x1c/0x140 [ 3327.522286][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3327.522286][ T7704] addrconf_add_dev+0xe2/0x170 [ 3327.522286][ T7704] inet6_addr_add+0x12f/0xa40 [ 3327.522286][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.522286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.522286][ T7704] netlink_rcv_skb+0x130/0x360 [ 3327.522286][ T7704] netlink_unicast+0x449/0x710 [ 3327.522286][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3327.522286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3327.522286][ T7704] ___sys_sendmsg+0xee/0x170 [ 3327.522286][ T7704] __sys_sendmsg+0xcd/0x170 [ 3327.522286][ T7704] do_syscall_64+0xc6/0x1e0 [ 3327.522286][ T7704] [ 3327.524722][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3327.524722][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3327.524722][ T7704] ipv6_find_idev+0x102/0x170 [ 3327.524722][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.524722][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.524722][ T7704] netlink_rcv_skb+0x130/0x360 [ 3327.524722][ T7704] netlink_unicast+0x449/0x710 [ 3327.524722][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3327.524722][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3327.524722][ T7704] ___sys_sendmsg+0xee/0x170 [ 3327.524722][ T7704] __sys_sendmsg+0xcd/0x170 [ 3327.524722][ T7704] do_syscall_64+0xc6/0x1e0 [ 3327.524722][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.524722][ T7704] [ 3327.526639][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3327.526639][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3327.526639][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3327.526639][ T7704] ipv6_find_idev+0x102/0x170 [ 3327.526639][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.526639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.526639][ T7704] netlink_rcv_skb+0x130/0x360 [ 3327.526639][ T7704] netlink_unicast+0x449/0x710 [ 3327.526639][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3327.526639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3327.526639][ T7704] ___sys_sendmsg+0xee/0x170 [ 3327.526639][ T7704] __sys_sendmsg+0xcd/0x170 [ 3327.526639][ T7704] do_syscall_64+0xc6/0x1e0 [ 3327.526639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.526639][ T7704] [ 3337.628800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3337.629320][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3337.629320][ T7704] netdev_get_by_index+0x5e/0x80 [ 3337.629320][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3337.629320][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3337.629320][ T7704] ip6_route_add+0x1c/0x140 [ 3337.629320][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3337.629320][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3337.629320][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.629320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.629320][ T7704] netlink_rcv_skb+0x130/0x360 [ 3337.629320][ T7704] netlink_unicast+0x449/0x710 [ 3337.629320][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3337.629320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3337.629320][ T7704] ___sys_sendmsg+0xee/0x170 [ 3337.629320][ T7704] __sys_sendmsg+0xcd/0x170 [ 3337.629320][ T7704] do_syscall_64+0xc6/0x1e0 [ 3337.629320][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.629320][ T7704] [ 3337.631594][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3337.631594][ T7704] netdev_get_by_index+0x5e/0x80 [ 3337.631594][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3337.631594][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3337.631594][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3337.631594][ T7704] ipv6_add_addr+0x411/0x2000 [ 3337.631594][ T7704] inet6_addr_add+0x30e/0xa40 [ 3337.631594][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.631594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.631594][ T7704] netlink_rcv_skb+0x130/0x360 [ 3337.631594][ T7704] netlink_unicast+0x449/0x710 [ 3337.631594][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3337.631594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3337.631594][ T7704] ___sys_sendmsg+0xee/0x170 [ 3337.631594][ T7704] __sys_sendmsg+0xcd/0x170 [ 3337.631594][ T7704] do_syscall_64+0xc6/0x1e0 [ 3337.631594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.631594][ T7704] [ 3337.634344][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3337.634344][ T7704] netdev_get_by_index+0x5e/0x80 [ 3337.634344][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3337.634344][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3337.634344][ T7704] ip6_route_add+0x1c/0x140 [ 3337.634344][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3337.634344][ T7704] addrconf_add_dev+0xe2/0x170 [ 3337.634344][ T7704] inet6_addr_add+0x12f/0xa40 [ 3337.634344][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.634344][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.634344][ T7704] netlink_rcv_skb+0x130/0x360 [ 3337.634344][ T7704] netlink_unicast+0x449/0x710 [ 3337.634344][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3337.634344][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3337.634344][ T7704] ___sys_sendmsg+0xee/0x170 [ 3337.634344][ T7704] __sys_sendmsg+0xcd/0x170 [ 3337.634344][ T7704] do_syscall_64+0xc6/0x1e0 [ 3337.634344][ T7704] [ 3337.636553][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3337.636553][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3337.636553][ T7704] ipv6_find_idev+0x102/0x170 [ 3337.636553][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.636553][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.636553][ T7704] netlink_rcv_skb+0x130/0x360 [ 3337.636553][ T7704] netlink_unicast+0x449/0x710 [ 3337.636553][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3337.636553][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3337.636553][ T7704] ___sys_sendmsg+0xee/0x170 [ 3337.636553][ T7704] __sys_sendmsg+0xcd/0x170 [ 3337.636553][ T7704] do_syscall_64+0xc6/0x1e0 [ 3337.636553][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.636553][ T7704] [ 3337.638276][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3337.638276][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3337.638276][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3337.638276][ T7704] ipv6_find_idev+0x102/0x170 [ 3337.638276][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.638276][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.638276][ T7704] netlink_rcv_skb+0x130/0x360 [ 3337.638276][ T7704] netlink_unicast+0x449/0x710 [ 3337.638276][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3337.638276][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3337.638276][ T7704] ___sys_sendmsg+0xee/0x170 [ 3337.638276][ T7704] __sys_sendmsg+0xcd/0x170 [ 3337.638276][ T7704] do_syscall_64+0xc6/0x1e0 [ 3337.638276][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.638276][ T7704] [ 3347.676754][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3347.677238][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3347.677238][ T7704] netdev_get_by_index+0x5e/0x80 [ 3347.677238][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3347.677238][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3347.677238][ T7704] ip6_route_add+0x1c/0x140 [ 3347.677238][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3347.677238][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3347.677238][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3347.677238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.677238][ T7704] netlink_rcv_skb+0x130/0x360 [ 3347.677238][ T7704] netlink_unicast+0x449/0x710 [ 3347.677238][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3347.677238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3347.677238][ T7704] ___sys_sendmsg+0xee/0x170 [ 3347.677238][ T7704] __sys_sendmsg+0xcd/0x170 [ 3347.677238][ T7704] do_syscall_64+0xc6/0x1e0 [ 3347.677238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.677238][ T7704] [ 3347.679472][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3347.679472][ T7704] netdev_get_by_index+0x5e/0x80 [ 3347.679472][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3347.679472][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3347.679472][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3347.679472][ T7704] ipv6_add_addr+0x411/0x2000 [ 3347.679472][ T7704] inet6_addr_add+0x30e/0xa40 [ 3347.679472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3347.679472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.679472][ T7704] netlink_rcv_skb+0x130/0x360 [ 3347.679472][ T7704] netlink_unicast+0x449/0x710 [ 3347.679472][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3347.679472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3347.679472][ T7704] ___sys_sendmsg+0xee/0x170 [ 3347.679472][ T7704] __sys_sendmsg+0xcd/0x170 [ 3347.679472][ T7704] do_syscall_64+0xc6/0x1e0 [ 3347.679472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.679472][ T7704] [ 3347.681689][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3347.681689][ T7704] netdev_get_by_index+0x5e/0x80 [ 3347.681689][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3347.681689][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3347.681689][ T7704] ip6_route_add+0x1c/0x140 [ 3347.681689][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3347.681689][ T7704] addrconf_add_dev+0xe2/0x170 [ 3347.681689][ T7704] inet6_addr_add+0x12f/0xa40 [ 3347.681689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3347.681689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.681689][ T7704] netlink_rcv_skb+0x130/0x360 [ 3347.681689][ T7704] netlink_unicast+0x449/0x710 [ 3347.681689][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3347.681689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3347.681689][ T7704] ___sys_sendmsg+0xee/0x170 [ 3347.681689][ T7704] __sys_sendmsg+0xcd/0x170 [ 3347.681689][ T7704] do_syscall_64+0xc6/0x1e0 [ 3347.681689][ T7704] [ 3347.684795][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3347.684795][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3347.684795][ T7704] ipv6_find_idev+0x102/0x170 [ 3347.684795][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.684795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.684795][ T7704] netlink_rcv_skb+0x130/0x360 [ 3347.684795][ T7704] netlink_unicast+0x449/0x710 [ 3347.684795][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3347.684795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3347.684795][ T7704] ___sys_sendmsg+0xee/0x170 [ 3347.684795][ T7704] __sys_sendmsg+0xcd/0x170 [ 3347.684795][ T7704] do_syscall_64+0xc6/0x1e0 [ 3347.684795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.684795][ T7704] [ 3347.686879][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3347.686879][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3347.686879][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3347.686879][ T7704] ipv6_find_idev+0x102/0x170 [ 3347.686879][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3347.686879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3347.686879][ T7704] netlink_rcv_skb+0x130/0x360 [ 3347.686879][ T7704] netlink_unicast+0x449/0x710 [ 3347.686879][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3347.686879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3347.686879][ T7704] ___sys_sendmsg+0xee/0x170 [ 3347.686879][ T7704] __sys_sendmsg+0xcd/0x170 [ 3347.686879][ T7704] do_syscall_64+0xc6/0x1e0 [ 3347.686879][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3347.686879][ T7704] [ 3357.924742][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3357.925213][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3357.925213][ T7704] netdev_get_by_index+0x5e/0x80 [ 3357.925213][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3357.925213][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3357.925213][ T7704] ip6_route_add+0x1c/0x140 [ 3357.925213][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3357.925213][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3357.925213][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3357.925213][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3357.925213][ T7704] netlink_rcv_skb+0x130/0x360 [ 3357.925213][ T7704] netlink_unicast+0x449/0x710 [ 3357.925213][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3357.925213][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3357.925213][ T7704] ___sys_sendmsg+0xee/0x170 [ 3357.925213][ T7704] __sys_sendmsg+0xcd/0x170 [ 3357.925213][ T7704] do_syscall_64+0xc6/0x1e0 [ 3357.925213][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3357.925213][ T7704] [ 3357.927445][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3357.927445][ T7704] netdev_get_by_index+0x5e/0x80 [ 3357.927445][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3357.927445][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3357.927445][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3357.927445][ T7704] ipv6_add_addr+0x411/0x2000 [ 3357.927445][ T7704] inet6_addr_add+0x30e/0xa40 [ 3357.927445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3357.927445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3357.927445][ T7704] netlink_rcv_skb+0x130/0x360 [ 3357.927445][ T7704] netlink_unicast+0x449/0x710 [ 3357.927445][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3357.927445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3357.927445][ T7704] ___sys_sendmsg+0xee/0x170 [ 3357.927445][ T7704] __sys_sendmsg+0xcd/0x170 [ 3357.927445][ T7704] do_syscall_64+0xc6/0x1e0 [ 3357.927445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3357.927445][ T7704] [ 3357.929650][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3357.929650][ T7704] netdev_get_by_index+0x5e/0x80 [ 3357.929650][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3357.929650][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3357.929650][ T7704] ip6_route_add+0x1c/0x140 [ 3357.929650][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3357.929650][ T7704] addrconf_add_dev+0xe2/0x170 [ 3357.929650][ T7704] inet6_addr_add+0x12f/0xa40 [ 3357.929650][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3357.929650][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3357.929650][ T7704] netlink_rcv_skb+0x130/0x360 [ 3357.929650][ T7704] netlink_unicast+0x449/0x710 [ 3357.929650][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3357.929650][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3357.929650][ T7704] ___sys_sendmsg+0xee/0x170 [ 3357.929650][ T7704] __sys_sendmsg+0xcd/0x170 [ 3357.929650][ T7704] do_syscall_64+0xc6/0x1e0 [ 3357.929650][ T7704] [ 3357.931824][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3357.931824][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3357.931824][ T7704] ipv6_find_idev+0x102/0x170 [ 3357.931824][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3357.931824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3357.931824][ T7704] netlink_rcv_skb+0x130/0x360 [ 3357.931824][ T7704] netlink_unicast+0x449/0x710 [ 3357.931824][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3357.931824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3357.931824][ T7704] ___sys_sendmsg+0xee/0x170 [ 3357.931824][ T7704] __sys_sendmsg+0xcd/0x170 [ 3357.931824][ T7704] do_syscall_64+0xc6/0x1e0 [ 3357.931824][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3357.931824][ T7704] [ 3357.933521][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3357.933521][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3357.933521][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3357.933521][ T7704] ipv6_find_idev+0x102/0x170 [ 3357.933521][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3357.933521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3357.933521][ T7704] netlink_rcv_skb+0x130/0x360 [ 3357.933521][ T7704] netlink_unicast+0x449/0x710 [ 3357.933521][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3357.933521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3357.933521][ T7704] ___sys_sendmsg+0xee/0x170 [ 3357.933521][ T7704] __sys_sendmsg+0xcd/0x170 [ 3357.933521][ T7704] do_syscall_64+0xc6/0x1e0 [ 3357.933521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3357.933521][ T7704] [ 3368.172852][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3368.173397][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3368.173397][ T7704] netdev_get_by_index+0x5e/0x80 [ 3368.173397][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3368.173397][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3368.173397][ T7704] ip6_route_add+0x1c/0x140 [ 3368.173397][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3368.173397][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3368.173397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.173397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.173397][ T7704] netlink_rcv_skb+0x130/0x360 [ 3368.173397][ T7704] netlink_unicast+0x449/0x710 [ 3368.173397][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3368.173397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3368.173397][ T7704] ___sys_sendmsg+0xee/0x170 [ 3368.173397][ T7704] __sys_sendmsg+0xcd/0x170 [ 3368.173397][ T7704] do_syscall_64+0xc6/0x1e0 [ 3368.173397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.173397][ T7704] [ 3368.175916][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3368.175916][ T7704] netdev_get_by_index+0x5e/0x80 [ 3368.175916][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3368.175916][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3368.175916][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3368.175916][ T7704] ipv6_add_addr+0x411/0x2000 [ 3368.175916][ T7704] inet6_addr_add+0x30e/0xa40 [ 3368.175916][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.175916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.175916][ T7704] netlink_rcv_skb+0x130/0x360 [ 3368.175916][ T7704] netlink_unicast+0x449/0x710 [ 3368.175916][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3368.175916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3368.175916][ T7704] ___sys_sendmsg+0xee/0x170 [ 3368.175916][ T7704] __sys_sendmsg+0xcd/0x170 [ 3368.175916][ T7704] do_syscall_64+0xc6/0x1e0 [ 3368.175916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.175916][ T7704] [ 3368.178902][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3368.178902][ T7704] netdev_get_by_index+0x5e/0x80 [ 3368.178902][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3368.178902][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3368.178902][ T7704] ip6_route_add+0x1c/0x140 [ 3368.178902][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3368.178902][ T7704] addrconf_add_dev+0xe2/0x170 [ 3368.178902][ T7704] inet6_addr_add+0x12f/0xa40 [ 3368.178902][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.178902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.178902][ T7704] netlink_rcv_skb+0x130/0x360 [ 3368.178902][ T7704] netlink_unicast+0x449/0x710 [ 3368.178902][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3368.178902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3368.178902][ T7704] ___sys_sendmsg+0xee/0x170 [ 3368.178902][ T7704] __sys_sendmsg+0xcd/0x170 [ 3368.178902][ T7704] do_syscall_64+0xc6/0x1e0 [ 3368.178902][ T7704] [ 3368.181349][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3368.181349][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3368.181349][ T7704] ipv6_find_idev+0x102/0x170 [ 3368.181349][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.181349][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.181349][ T7704] netlink_rcv_skb+0x130/0x360 [ 3368.181349][ T7704] netlink_unicast+0x449/0x710 [ 3368.181349][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3368.181349][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3368.181349][ T7704] ___sys_sendmsg+0xee/0x170 [ 3368.181349][ T7704] __sys_sendmsg+0xcd/0x170 [ 3368.181349][ T7704] do_syscall_64+0xc6/0x1e0 [ 3368.181349][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.181349][ T7704] [ 3368.183248][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3368.183248][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3368.183248][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3368.183248][ T7704] ipv6_find_idev+0x102/0x170 [ 3368.183248][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.183248][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.183248][ T7704] netlink_rcv_skb+0x130/0x360 [ 3368.183248][ T7704] netlink_unicast+0x449/0x710 [ 3368.183248][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3368.183248][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3368.183248][ T7704] ___sys_sendmsg+0xee/0x170 [ 3368.183248][ T7704] __sys_sendmsg+0xcd/0x170 [ 3368.183248][ T7704] do_syscall_64+0xc6/0x1e0 [ 3368.183248][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.183248][ T7704] [ 3378.236839][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3378.237376][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3378.237376][ T7704] netdev_get_by_index+0x5e/0x80 [ 3378.237376][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3378.237376][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3378.237376][ T7704] ip6_route_add+0x1c/0x140 [ 3378.237376][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3378.237376][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3378.237376][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.237376][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.237376][ T7704] netlink_rcv_skb+0x130/0x360 [ 3378.237376][ T7704] netlink_unicast+0x449/0x710 [ 3378.237376][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3378.237376][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3378.237376][ T7704] ___sys_sendmsg+0xee/0x170 [ 3378.237376][ T7704] __sys_sendmsg+0xcd/0x170 [ 3378.237376][ T7704] do_syscall_64+0xc6/0x1e0 [ 3378.237376][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.237376][ T7704] [ 3378.240380][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3378.240380][ T7704] netdev_get_by_index+0x5e/0x80 [ 3378.240380][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3378.240380][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3378.240380][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3378.240380][ T7704] ipv6_add_addr+0x411/0x2000 [ 3378.240380][ T7704] inet6_addr_add+0x30e/0xa40 [ 3378.240380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.240380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.240380][ T7704] netlink_rcv_skb+0x130/0x360 [ 3378.240380][ T7704] netlink_unicast+0x449/0x710 [ 3378.240380][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3378.240380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3378.240380][ T7704] ___sys_sendmsg+0xee/0x170 [ 3378.240380][ T7704] __sys_sendmsg+0xcd/0x170 [ 3378.240380][ T7704] do_syscall_64+0xc6/0x1e0 [ 3378.240380][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.240380][ T7704] [ 3378.242915][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3378.242915][ T7704] netdev_get_by_index+0x5e/0x80 [ 3378.242915][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3378.242915][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3378.242915][ T7704] ip6_route_add+0x1c/0x140 [ 3378.242915][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3378.242915][ T7704] addrconf_add_dev+0xe2/0x170 [ 3378.242915][ T7704] inet6_addr_add+0x12f/0xa40 [ 3378.242915][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.242915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.242915][ T7704] netlink_rcv_skb+0x130/0x360 [ 3378.242915][ T7704] netlink_unicast+0x449/0x710 [ 3378.242915][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3378.242915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3378.242915][ T7704] ___sys_sendmsg+0xee/0x170 [ 3378.242915][ T7704] __sys_sendmsg+0xcd/0x170 [ 3378.242915][ T7704] do_syscall_64+0xc6/0x1e0 [ 3378.242915][ T7704] [ 3378.245372][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3378.245372][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3378.245372][ T7704] ipv6_find_idev+0x102/0x170 [ 3378.245372][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.245372][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.245372][ T7704] netlink_rcv_skb+0x130/0x360 [ 3378.245372][ T7704] netlink_unicast+0x449/0x710 [ 3378.245372][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3378.245372][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3378.245372][ T7704] ___sys_sendmsg+0xee/0x170 [ 3378.245372][ T7704] __sys_sendmsg+0xcd/0x170 [ 3378.245372][ T7704] do_syscall_64+0xc6/0x1e0 [ 3378.245372][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.245372][ T7704] [ 3378.247376][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3378.247376][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3378.247376][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3378.247376][ T7704] ipv6_find_idev+0x102/0x170 [ 3378.247376][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.247376][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.247376][ T7704] netlink_rcv_skb+0x130/0x360 [ 3378.247376][ T7704] netlink_unicast+0x449/0x710 [ 3378.247376][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3378.247376][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3378.247376][ T7704] ___sys_sendmsg+0xee/0x170 [ 3378.247376][ T7704] __sys_sendmsg+0xcd/0x170 [ 3378.247376][ T7704] do_syscall_64+0xc6/0x1e0 [ 3378.247376][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.247376][ T7704] [ 3388.500840][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3388.501334][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3388.501334][ T7704] netdev_get_by_index+0x5e/0x80 [ 3388.501334][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3388.501334][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3388.501334][ T7704] ip6_route_add+0x1c/0x140 [ 3388.501334][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3388.501334][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3388.501334][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3388.501334][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.501334][ T7704] netlink_rcv_skb+0x130/0x360 [ 3388.501334][ T7704] netlink_unicast+0x449/0x710 [ 3388.501334][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3388.501334][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3388.501334][ T7704] ___sys_sendmsg+0xee/0x170 [ 3388.501334][ T7704] __sys_sendmsg+0xcd/0x170 [ 3388.501334][ T7704] do_syscall_64+0xc6/0x1e0 [ 3388.501334][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.501334][ T7704] [ 3388.503577][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3388.503577][ T7704] netdev_get_by_index+0x5e/0x80 [ 3388.503577][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3388.503577][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3388.503577][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3388.503577][ T7704] ipv6_add_addr+0x411/0x2000 [ 3388.503577][ T7704] inet6_addr_add+0x30e/0xa40 [ 3388.503577][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3388.503577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.503577][ T7704] netlink_rcv_skb+0x130/0x360 [ 3388.503577][ T7704] netlink_unicast+0x449/0x710 [ 3388.503577][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3388.503577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3388.503577][ T7704] ___sys_sendmsg+0xee/0x170 [ 3388.503577][ T7704] __sys_sendmsg+0xcd/0x170 [ 3388.503577][ T7704] do_syscall_64+0xc6/0x1e0 [ 3388.503577][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.503577][ T7704] [ 3388.505796][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3388.505796][ T7704] netdev_get_by_index+0x5e/0x80 [ 3388.505796][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3388.505796][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3388.505796][ T7704] ip6_route_add+0x1c/0x140 [ 3388.505796][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3388.505796][ T7704] addrconf_add_dev+0xe2/0x170 [ 3388.505796][ T7704] inet6_addr_add+0x12f/0xa40 [ 3388.505796][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3388.505796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.505796][ T7704] netlink_rcv_skb+0x130/0x360 [ 3388.505796][ T7704] netlink_unicast+0x449/0x710 [ 3388.505796][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3388.505796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3388.505796][ T7704] ___sys_sendmsg+0xee/0x170 [ 3388.505796][ T7704] __sys_sendmsg+0xcd/0x170 [ 3388.505796][ T7704] do_syscall_64+0xc6/0x1e0 [ 3388.505796][ T7704] [ 3388.507972][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3388.507972][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3388.507972][ T7704] ipv6_find_idev+0x102/0x170 [ 3388.507972][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.507972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.507972][ T7704] netlink_rcv_skb+0x130/0x360 [ 3388.507972][ T7704] netlink_unicast+0x449/0x710 [ 3388.507972][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3388.507972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3388.507972][ T7704] ___sys_sendmsg+0xee/0x170 [ 3388.507972][ T7704] __sys_sendmsg+0xcd/0x170 [ 3388.507972][ T7704] do_syscall_64+0xc6/0x1e0 [ 3388.507972][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.507972][ T7704] [ 3388.509679][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3388.509679][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3388.509679][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3388.509679][ T7704] ipv6_find_idev+0x102/0x170 [ 3388.509679][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.509679][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.509679][ T7704] netlink_rcv_skb+0x130/0x360 [ 3388.509679][ T7704] netlink_unicast+0x449/0x710 [ 3388.509679][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3388.509679][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3388.509679][ T7704] ___sys_sendmsg+0xee/0x170 [ 3388.509679][ T7704] __sys_sendmsg+0xcd/0x170 [ 3388.509679][ T7704] do_syscall_64+0xc6/0x1e0 [ 3388.509679][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.509679][ T7704] [ 3398.756812][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3398.757283][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3398.757283][ T7704] netdev_get_by_index+0x5e/0x80 [ 3398.757283][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3398.757283][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3398.757283][ T7704] ip6_route_add+0x1c/0x140 [ 3398.757283][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3398.757283][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3398.757283][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3398.757283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.757283][ T7704] netlink_rcv_skb+0x130/0x360 [ 3398.757283][ T7704] netlink_unicast+0x449/0x710 [ 3398.757283][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3398.757283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3398.757283][ T7704] ___sys_sendmsg+0xee/0x170 [ 3398.757283][ T7704] __sys_sendmsg+0xcd/0x170 [ 3398.757283][ T7704] do_syscall_64+0xc6/0x1e0 [ 3398.757283][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.757283][ T7704] [ 3398.759527][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3398.759527][ T7704] netdev_get_by_index+0x5e/0x80 [ 3398.759527][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3398.759527][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3398.759527][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3398.759527][ T7704] ipv6_add_addr+0x411/0x2000 [ 3398.759527][ T7704] inet6_addr_add+0x30e/0xa40 [ 3398.759527][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3398.759527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.759527][ T7704] netlink_rcv_skb+0x130/0x360 [ 3398.759527][ T7704] netlink_unicast+0x449/0x710 [ 3398.759527][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3398.759527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3398.759527][ T7704] ___sys_sendmsg+0xee/0x170 [ 3398.759527][ T7704] __sys_sendmsg+0xcd/0x170 [ 3398.759527][ T7704] do_syscall_64+0xc6/0x1e0 [ 3398.759527][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.759527][ T7704] [ 3398.761740][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3398.761740][ T7704] netdev_get_by_index+0x5e/0x80 [ 3398.761740][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3398.761740][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3398.761740][ T7704] ip6_route_add+0x1c/0x140 [ 3398.761740][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3398.761740][ T7704] addrconf_add_dev+0xe2/0x170 [ 3398.761740][ T7704] inet6_addr_add+0x12f/0xa40 [ 3398.761740][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3398.761740][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.761740][ T7704] netlink_rcv_skb+0x130/0x360 [ 3398.761740][ T7704] netlink_unicast+0x449/0x710 [ 3398.761740][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3398.761740][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3398.761740][ T7704] ___sys_sendmsg+0xee/0x170 [ 3398.761740][ T7704] __sys_sendmsg+0xcd/0x170 [ 3398.761740][ T7704] do_syscall_64+0xc6/0x1e0 [ 3398.761740][ T7704] [ 3398.763914][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3398.763914][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3398.763914][ T7704] ipv6_find_idev+0x102/0x170 [ 3398.763914][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.763914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.763914][ T7704] netlink_rcv_skb+0x130/0x360 [ 3398.763914][ T7704] netlink_unicast+0x449/0x710 [ 3398.763914][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3398.763914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3398.763914][ T7704] ___sys_sendmsg+0xee/0x170 [ 3398.763914][ T7704] __sys_sendmsg+0xcd/0x170 [ 3398.763914][ T7704] do_syscall_64+0xc6/0x1e0 [ 3398.763914][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.763914][ T7704] [ 3398.765628][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3398.765628][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3398.765628][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3398.765628][ T7704] ipv6_find_idev+0x102/0x170 [ 3398.765628][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3398.765628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3398.765628][ T7704] netlink_rcv_skb+0x130/0x360 [ 3398.765628][ T7704] netlink_unicast+0x449/0x710 [ 3398.765628][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3398.765628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3398.765628][ T7704] ___sys_sendmsg+0xee/0x170 [ 3398.765628][ T7704] __sys_sendmsg+0xcd/0x170 [ 3398.765628][ T7704] do_syscall_64+0xc6/0x1e0 [ 3398.765628][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3398.765628][ T7704] [ 3408.916809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3408.917281][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3408.917281][ T7704] netdev_get_by_index+0x5e/0x80 [ 3408.917281][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3408.917281][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3408.917281][ T7704] ip6_route_add+0x1c/0x140 [ 3408.917281][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3408.917281][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3408.917281][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3408.917281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3408.917281][ T7704] netlink_rcv_skb+0x130/0x360 [ 3408.917281][ T7704] netlink_unicast+0x449/0x710 [ 3408.917281][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3408.917281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3408.917281][ T7704] ___sys_sendmsg+0xee/0x170 [ 3408.917281][ T7704] __sys_sendmsg+0xcd/0x170 [ 3408.917281][ T7704] do_syscall_64+0xc6/0x1e0 [ 3408.917281][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3408.917281][ T7704] [ 3408.919541][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3408.919541][ T7704] netdev_get_by_index+0x5e/0x80 [ 3408.919541][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3408.919541][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3408.919541][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3408.919541][ T7704] ipv6_add_addr+0x411/0x2000 [ 3408.919541][ T7704] inet6_addr_add+0x30e/0xa40 [ 3408.919541][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3408.919541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3408.919541][ T7704] netlink_rcv_skb+0x130/0x360 [ 3408.919541][ T7704] netlink_unicast+0x449/0x710 [ 3408.919541][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3408.919541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3408.919541][ T7704] ___sys_sendmsg+0xee/0x170 [ 3408.919541][ T7704] __sys_sendmsg+0xcd/0x170 [ 3408.919541][ T7704] do_syscall_64+0xc6/0x1e0 [ 3408.919541][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3408.919541][ T7704] [ 3408.921748][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3408.921748][ T7704] netdev_get_by_index+0x5e/0x80 [ 3408.921748][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3408.921748][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3408.921748][ T7704] ip6_route_add+0x1c/0x140 [ 3408.921748][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3408.921748][ T7704] addrconf_add_dev+0xe2/0x170 [ 3408.921748][ T7704] inet6_addr_add+0x12f/0xa40 [ 3408.921748][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3408.921748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3408.921748][ T7704] netlink_rcv_skb+0x130/0x360 [ 3408.921748][ T7704] netlink_unicast+0x449/0x710 [ 3408.921748][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3408.921748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3408.921748][ T7704] ___sys_sendmsg+0xee/0x170 [ 3408.921748][ T7704] __sys_sendmsg+0xcd/0x170 [ 3408.921748][ T7704] do_syscall_64+0xc6/0x1e0 [ 3408.921748][ T7704] [ 3408.923948][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3408.923948][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3408.923948][ T7704] ipv6_find_idev+0x102/0x170 [ 3408.923948][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3408.923948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3408.923948][ T7704] netlink_rcv_skb+0x130/0x360 [ 3408.923948][ T7704] netlink_unicast+0x449/0x710 [ 3408.923948][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3408.923948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3408.923948][ T7704] ___sys_sendmsg+0xee/0x170 [ 3408.923948][ T7704] __sys_sendmsg+0xcd/0x170 [ 3408.923948][ T7704] do_syscall_64+0xc6/0x1e0 [ 3408.923948][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3408.923948][ T7704] [ 3408.925659][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3408.925659][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3408.925659][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3408.925659][ T7704] ipv6_find_idev+0x102/0x170 [ 3408.925659][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3408.925659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3408.925659][ T7704] netlink_rcv_skb+0x130/0x360 [ 3408.925659][ T7704] netlink_unicast+0x449/0x710 [ 3408.925659][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3408.925659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3408.925659][ T7704] ___sys_sendmsg+0xee/0x170 [ 3408.925659][ T7704] __sys_sendmsg+0xcd/0x170 [ 3408.925659][ T7704] do_syscall_64+0xc6/0x1e0 [ 3408.925659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3408.925659][ T7704] [ 3419.332896][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3419.333392][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3419.333392][ T7704] netdev_get_by_index+0x5e/0x80 [ 3419.333392][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3419.333392][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3419.333392][ T7704] ip6_route_add+0x1c/0x140 [ 3419.333392][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3419.333392][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3419.333392][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.333392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.333392][ T7704] netlink_rcv_skb+0x130/0x360 [ 3419.333392][ T7704] netlink_unicast+0x449/0x710 [ 3419.333392][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3419.333392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3419.333392][ T7704] ___sys_sendmsg+0xee/0x170 [ 3419.333392][ T7704] __sys_sendmsg+0xcd/0x170 [ 3419.333392][ T7704] do_syscall_64+0xc6/0x1e0 [ 3419.333392][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.333392][ T7704] [ 3419.335650][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3419.335650][ T7704] netdev_get_by_index+0x5e/0x80 [ 3419.335650][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3419.335650][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3419.335650][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3419.335650][ T7704] ipv6_add_addr+0x411/0x2000 [ 3419.335650][ T7704] inet6_addr_add+0x30e/0xa40 [ 3419.335650][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.335650][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.335650][ T7704] netlink_rcv_skb+0x130/0x360 [ 3419.335650][ T7704] netlink_unicast+0x449/0x710 [ 3419.335650][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3419.335650][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3419.335650][ T7704] ___sys_sendmsg+0xee/0x170 [ 3419.335650][ T7704] __sys_sendmsg+0xcd/0x170 [ 3419.335650][ T7704] do_syscall_64+0xc6/0x1e0 [ 3419.335650][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.335650][ T7704] [ 3419.337863][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3419.337863][ T7704] netdev_get_by_index+0x5e/0x80 [ 3419.337863][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3419.337863][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3419.337863][ T7704] ip6_route_add+0x1c/0x140 [ 3419.337863][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3419.337863][ T7704] addrconf_add_dev+0xe2/0x170 [ 3419.337863][ T7704] inet6_addr_add+0x12f/0xa40 [ 3419.337863][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.337863][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.337863][ T7704] netlink_rcv_skb+0x130/0x360 [ 3419.337863][ T7704] netlink_unicast+0x449/0x710 [ 3419.337863][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3419.337863][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3419.337863][ T7704] ___sys_sendmsg+0xee/0x170 [ 3419.337863][ T7704] __sys_sendmsg+0xcd/0x170 [ 3419.337863][ T7704] do_syscall_64+0xc6/0x1e0 [ 3419.337863][ T7704] [ 3419.340547][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3419.340547][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3419.340547][ T7704] ipv6_find_idev+0x102/0x170 [ 3419.340547][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.340547][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.340547][ T7704] netlink_rcv_skb+0x130/0x360 [ 3419.340547][ T7704] netlink_unicast+0x449/0x710 [ 3419.340547][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3419.340547][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3419.340547][ T7704] ___sys_sendmsg+0xee/0x170 [ 3419.340547][ T7704] __sys_sendmsg+0xcd/0x170 [ 3419.340547][ T7704] do_syscall_64+0xc6/0x1e0 [ 3419.340547][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.340547][ T7704] [ 3419.342243][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3419.342243][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3419.342243][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3419.342243][ T7704] ipv6_find_idev+0x102/0x170 [ 3419.342243][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.342243][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.342243][ T7704] netlink_rcv_skb+0x130/0x360 [ 3419.342243][ T7704] netlink_unicast+0x449/0x710 [ 3419.342243][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3419.342243][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3419.342243][ T7704] ___sys_sendmsg+0xee/0x170 [ 3419.342243][ T7704] __sys_sendmsg+0xcd/0x170 [ 3419.342243][ T7704] do_syscall_64+0xc6/0x1e0 [ 3419.342243][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.342243][ T7704] [ 3429.420852][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3429.421341][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3429.421341][ T7704] netdev_get_by_index+0x5e/0x80 [ 3429.421341][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3429.421341][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3429.421341][ T7704] ip6_route_add+0x1c/0x140 [ 3429.421341][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3429.421341][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3429.421341][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.421341][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.421341][ T7704] netlink_rcv_skb+0x130/0x360 [ 3429.421341][ T7704] netlink_unicast+0x449/0x710 [ 3429.421341][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3429.421341][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3429.421341][ T7704] ___sys_sendmsg+0xee/0x170 [ 3429.421341][ T7704] __sys_sendmsg+0xcd/0x170 [ 3429.421341][ T7704] do_syscall_64+0xc6/0x1e0 [ 3429.421341][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.421341][ T7704] [ 3429.423659][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3429.423659][ T7704] netdev_get_by_index+0x5e/0x80 [ 3429.423659][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3429.423659][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3429.423659][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3429.423659][ T7704] ipv6_add_addr+0x411/0x2000 [ 3429.423659][ T7704] inet6_addr_add+0x30e/0xa40 [ 3429.423659][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.423659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.423659][ T7704] netlink_rcv_skb+0x130/0x360 [ 3429.423659][ T7704] netlink_unicast+0x449/0x710 [ 3429.423659][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3429.423659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3429.423659][ T7704] ___sys_sendmsg+0xee/0x170 [ 3429.423659][ T7704] __sys_sendmsg+0xcd/0x170 [ 3429.423659][ T7704] do_syscall_64+0xc6/0x1e0 [ 3429.423659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.423659][ T7704] [ 3429.425952][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3429.425952][ T7704] netdev_get_by_index+0x5e/0x80 [ 3429.425952][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3429.425952][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3429.425952][ T7704] ip6_route_add+0x1c/0x140 [ 3429.425952][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3429.425952][ T7704] addrconf_add_dev+0xe2/0x170 [ 3429.425952][ T7704] inet6_addr_add+0x12f/0xa40 [ 3429.425952][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.425952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.425952][ T7704] netlink_rcv_skb+0x130/0x360 [ 3429.425952][ T7704] netlink_unicast+0x449/0x710 [ 3429.425952][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3429.425952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3429.425952][ T7704] ___sys_sendmsg+0xee/0x170 [ 3429.425952][ T7704] __sys_sendmsg+0xcd/0x170 [ 3429.425952][ T7704] do_syscall_64+0xc6/0x1e0 [ 3429.425952][ T7704] [ 3429.428158][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3429.428158][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3429.428158][ T7704] ipv6_find_idev+0x102/0x170 [ 3429.428158][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.428158][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.428158][ T7704] netlink_rcv_skb+0x130/0x360 [ 3429.428158][ T7704] netlink_unicast+0x449/0x710 [ 3429.428158][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3429.428158][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3429.428158][ T7704] ___sys_sendmsg+0xee/0x170 [ 3429.428158][ T7704] __sys_sendmsg+0xcd/0x170 [ 3429.428158][ T7704] do_syscall_64+0xc6/0x1e0 [ 3429.428158][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.428158][ T7704] [ 3429.429887][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3429.429887][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3429.429887][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3429.429887][ T7704] ipv6_find_idev+0x102/0x170 [ 3429.429887][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.429887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.429887][ T7704] netlink_rcv_skb+0x130/0x360 [ 3429.429887][ T7704] netlink_unicast+0x449/0x710 [ 3429.429887][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3429.429887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3429.429887][ T7704] ___sys_sendmsg+0xee/0x170 [ 3429.429887][ T7704] __sys_sendmsg+0xcd/0x170 [ 3429.429887][ T7704] do_syscall_64+0xc6/0x1e0 [ 3429.429887][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.429887][ T7704] [ 3439.684821][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3439.685273][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3439.685273][ T7704] netdev_get_by_index+0x5e/0x80 [ 3439.685273][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3439.685273][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3439.685273][ T7704] ip6_route_add+0x1c/0x140 [ 3439.685273][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3439.685273][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3439.685273][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3439.685273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3439.685273][ T7704] netlink_rcv_skb+0x130/0x360 [ 3439.685273][ T7704] netlink_unicast+0x449/0x710 [ 3439.685273][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3439.685273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3439.685273][ T7704] ___sys_sendmsg+0xee/0x170 [ 3439.685273][ T7704] __sys_sendmsg+0xcd/0x170 [ 3439.685273][ T7704] do_syscall_64+0xc6/0x1e0 [ 3439.685273][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3439.685273][ T7704] [ 3439.687532][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3439.687532][ T7704] netdev_get_by_index+0x5e/0x80 [ 3439.687532][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3439.687532][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3439.687532][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3439.687532][ T7704] ipv6_add_addr+0x411/0x2000 [ 3439.687532][ T7704] inet6_addr_add+0x30e/0xa40 [ 3439.687532][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3439.687532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3439.687532][ T7704] netlink_rcv_skb+0x130/0x360 [ 3439.687532][ T7704] netlink_unicast+0x449/0x710 [ 3439.687532][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3439.687532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3439.687532][ T7704] ___sys_sendmsg+0xee/0x170 [ 3439.687532][ T7704] __sys_sendmsg+0xcd/0x170 [ 3439.687532][ T7704] do_syscall_64+0xc6/0x1e0 [ 3439.687532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3439.687532][ T7704] [ 3439.689770][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3439.689770][ T7704] netdev_get_by_index+0x5e/0x80 [ 3439.689770][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3439.689770][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3439.689770][ T7704] ip6_route_add+0x1c/0x140 [ 3439.689770][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3439.689770][ T7704] addrconf_add_dev+0xe2/0x170 [ 3439.689770][ T7704] inet6_addr_add+0x12f/0xa40 [ 3439.689770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3439.689770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3439.689770][ T7704] netlink_rcv_skb+0x130/0x360 [ 3439.689770][ T7704] netlink_unicast+0x449/0x710 [ 3439.689770][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3439.689770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3439.689770][ T7704] ___sys_sendmsg+0xee/0x170 [ 3439.689770][ T7704] __sys_sendmsg+0xcd/0x170 [ 3439.689770][ T7704] do_syscall_64+0xc6/0x1e0 [ 3439.689770][ T7704] [ 3439.691957][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3439.691957][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3439.691957][ T7704] ipv6_find_idev+0x102/0x170 [ 3439.691957][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3439.691957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3439.691957][ T7704] netlink_rcv_skb+0x130/0x360 [ 3439.691957][ T7704] netlink_unicast+0x449/0x710 [ 3439.691957][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3439.691957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3439.691957][ T7704] ___sys_sendmsg+0xee/0x170 [ 3439.691957][ T7704] __sys_sendmsg+0xcd/0x170 [ 3439.691957][ T7704] do_syscall_64+0xc6/0x1e0 [ 3439.691957][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3439.691957][ T7704] [ 3439.693671][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3439.693671][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3439.693671][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3439.693671][ T7704] ipv6_find_idev+0x102/0x170 [ 3439.693671][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3439.693671][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3439.693671][ T7704] netlink_rcv_skb+0x130/0x360 [ 3439.693671][ T7704] netlink_unicast+0x449/0x710 [ 3439.693671][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3439.693671][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3439.693671][ T7704] ___sys_sendmsg+0xee/0x170 [ 3439.693671][ T7704] __sys_sendmsg+0xcd/0x170 [ 3439.693671][ T7704] do_syscall_64+0xc6/0x1e0 [ 3439.693671][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3439.693671][ T7704] [ 3449.940861][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3449.941393][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3449.941393][ T7704] netdev_get_by_index+0x5e/0x80 [ 3449.941393][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3449.941393][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3449.941393][ T7704] ip6_route_add+0x1c/0x140 [ 3449.941393][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3449.941393][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3449.941393][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3449.941393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3449.941393][ T7704] netlink_rcv_skb+0x130/0x360 [ 3449.941393][ T7704] netlink_unicast+0x449/0x710 [ 3449.941393][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3449.941393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3449.941393][ T7704] ___sys_sendmsg+0xee/0x170 [ 3449.941393][ T7704] __sys_sendmsg+0xcd/0x170 [ 3449.941393][ T7704] do_syscall_64+0xc6/0x1e0 [ 3449.941393][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3449.941393][ T7704] [ 3449.943645][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3449.943645][ T7704] netdev_get_by_index+0x5e/0x80 [ 3449.943645][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3449.943645][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3449.943645][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3449.943645][ T7704] ipv6_add_addr+0x411/0x2000 [ 3449.943645][ T7704] inet6_addr_add+0x30e/0xa40 [ 3449.943645][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3449.943645][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3449.943645][ T7704] netlink_rcv_skb+0x130/0x360 [ 3449.943645][ T7704] netlink_unicast+0x449/0x710 [ 3449.943645][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3449.943645][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3449.943645][ T7704] ___sys_sendmsg+0xee/0x170 [ 3449.943645][ T7704] __sys_sendmsg+0xcd/0x170 [ 3449.943645][ T7704] do_syscall_64+0xc6/0x1e0 [ 3449.943645][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3449.943645][ T7704] [ 3449.945909][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3449.945909][ T7704] netdev_get_by_index+0x5e/0x80 [ 3449.945909][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3449.945909][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3449.945909][ T7704] ip6_route_add+0x1c/0x140 [ 3449.945909][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3449.945909][ T7704] addrconf_add_dev+0xe2/0x170 [ 3449.945909][ T7704] inet6_addr_add+0x12f/0xa40 [ 3449.945909][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3449.945909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3449.945909][ T7704] netlink_rcv_skb+0x130/0x360 [ 3449.945909][ T7704] netlink_unicast+0x449/0x710 [ 3449.945909][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3449.945909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3449.945909][ T7704] ___sys_sendmsg+0xee/0x170 [ 3449.945909][ T7704] __sys_sendmsg+0xcd/0x170 [ 3449.945909][ T7704] do_syscall_64+0xc6/0x1e0 [ 3449.945909][ T7704] [ 3449.948092][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3449.948092][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3449.948092][ T7704] ipv6_find_idev+0x102/0x170 [ 3449.948092][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3449.948092][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3449.948092][ T7704] netlink_rcv_skb+0x130/0x360 [ 3449.948092][ T7704] netlink_unicast+0x449/0x710 [ 3449.948092][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3449.948092][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3449.948092][ T7704] ___sys_sendmsg+0xee/0x170 [ 3449.948092][ T7704] __sys_sendmsg+0xcd/0x170 [ 3449.948092][ T7704] do_syscall_64+0xc6/0x1e0 [ 3449.948092][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3449.948092][ T7704] [ 3449.949808][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3449.949808][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3449.949808][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3449.949808][ T7704] ipv6_find_idev+0x102/0x170 [ 3449.949808][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3449.949808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3449.949808][ T7704] netlink_rcv_skb+0x130/0x360 [ 3449.949808][ T7704] netlink_unicast+0x449/0x710 [ 3449.949808][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3449.949808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3449.949808][ T7704] ___sys_sendmsg+0xee/0x170 [ 3449.949808][ T7704] __sys_sendmsg+0xcd/0x170 [ 3449.949808][ T7704] do_syscall_64+0xc6/0x1e0 [ 3449.949808][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3449.949808][ T7704] [ 3460.332920][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3460.333393][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3460.333393][ T7704] netdev_get_by_index+0x5e/0x80 [ 3460.333393][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3460.333393][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3460.333393][ T7704] ip6_route_add+0x1c/0x140 [ 3460.333393][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3460.333393][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3460.333393][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.333393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.333393][ T7704] netlink_rcv_skb+0x130/0x360 [ 3460.333393][ T7704] netlink_unicast+0x449/0x710 [ 3460.333393][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3460.333393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3460.333393][ T7704] ___sys_sendmsg+0xee/0x170 [ 3460.333393][ T7704] __sys_sendmsg+0xcd/0x170 [ 3460.333393][ T7704] do_syscall_64+0xc6/0x1e0 [ 3460.333393][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.333393][ T7704] [ 3460.335658][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3460.335658][ T7704] netdev_get_by_index+0x5e/0x80 [ 3460.335658][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3460.335658][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3460.335658][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3460.335658][ T7704] ipv6_add_addr+0x411/0x2000 [ 3460.335658][ T7704] inet6_addr_add+0x30e/0xa40 [ 3460.335658][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.335658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.335658][ T7704] netlink_rcv_skb+0x130/0x360 [ 3460.335658][ T7704] netlink_unicast+0x449/0x710 [ 3460.335658][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3460.335658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3460.335658][ T7704] ___sys_sendmsg+0xee/0x170 [ 3460.335658][ T7704] __sys_sendmsg+0xcd/0x170 [ 3460.335658][ T7704] do_syscall_64+0xc6/0x1e0 [ 3460.335658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.335658][ T7704] [ 3460.337876][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3460.337876][ T7704] netdev_get_by_index+0x5e/0x80 [ 3460.337876][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3460.337876][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3460.337876][ T7704] ip6_route_add+0x1c/0x140 [ 3460.337876][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3460.337876][ T7704] addrconf_add_dev+0xe2/0x170 [ 3460.337876][ T7704] inet6_addr_add+0x12f/0xa40 [ 3460.337876][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.337876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.337876][ T7704] netlink_rcv_skb+0x130/0x360 [ 3460.337876][ T7704] netlink_unicast+0x449/0x710 [ 3460.337876][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3460.337876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3460.337876][ T7704] ___sys_sendmsg+0xee/0x170 [ 3460.337876][ T7704] __sys_sendmsg+0xcd/0x170 [ 3460.337876][ T7704] do_syscall_64+0xc6/0x1e0 [ 3460.337876][ T7704] [ 3460.340064][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3460.340064][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3460.340064][ T7704] ipv6_find_idev+0x102/0x170 [ 3460.340064][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.340064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.340064][ T7704] netlink_rcv_skb+0x130/0x360 [ 3460.340064][ T7704] netlink_unicast+0x449/0x710 [ 3460.340064][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3460.340064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3460.340064][ T7704] ___sys_sendmsg+0xee/0x170 [ 3460.340064][ T7704] __sys_sendmsg+0xcd/0x170 [ 3460.340064][ T7704] do_syscall_64+0xc6/0x1e0 [ 3460.340064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.340064][ T7704] [ 3460.341776][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3460.341776][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3460.341776][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3460.341776][ T7704] ipv6_find_idev+0x102/0x170 [ 3460.341776][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.341776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.341776][ T7704] netlink_rcv_skb+0x130/0x360 [ 3460.341776][ T7704] netlink_unicast+0x449/0x710 [ 3460.341776][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3460.341776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3460.341776][ T7704] ___sys_sendmsg+0xee/0x170 [ 3460.341776][ T7704] __sys_sendmsg+0xcd/0x170 [ 3460.341776][ T7704] do_syscall_64+0xc6/0x1e0 [ 3460.341776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.341776][ T7704] [ 3470.596918][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3470.597419][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3470.597419][ T7704] netdev_get_by_index+0x5e/0x80 [ 3470.597419][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3470.597419][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3470.597419][ T7704] ip6_route_add+0x1c/0x140 [ 3470.597419][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3470.597419][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3470.597419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3470.597419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.597419][ T7704] netlink_rcv_skb+0x130/0x360 [ 3470.597419][ T7704] netlink_unicast+0x449/0x710 [ 3470.597419][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3470.597419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3470.597419][ T7704] ___sys_sendmsg+0xee/0x170 [ 3470.597419][ T7704] __sys_sendmsg+0xcd/0x170 [ 3470.597419][ T7704] do_syscall_64+0xc6/0x1e0 [ 3470.597419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.597419][ T7704] [ 3470.599670][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3470.599670][ T7704] netdev_get_by_index+0x5e/0x80 [ 3470.599670][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3470.599670][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3470.599670][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3470.599670][ T7704] ipv6_add_addr+0x411/0x2000 [ 3470.599670][ T7704] inet6_addr_add+0x30e/0xa40 [ 3470.599670][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3470.599670][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.599670][ T7704] netlink_rcv_skb+0x130/0x360 [ 3470.599670][ T7704] netlink_unicast+0x449/0x710 [ 3470.599670][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3470.599670][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3470.599670][ T7704] ___sys_sendmsg+0xee/0x170 [ 3470.599670][ T7704] __sys_sendmsg+0xcd/0x170 [ 3470.599670][ T7704] do_syscall_64+0xc6/0x1e0 [ 3470.599670][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.599670][ T7704] [ 3470.601904][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3470.601904][ T7704] netdev_get_by_index+0x5e/0x80 [ 3470.601904][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3470.601904][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3470.601904][ T7704] ip6_route_add+0x1c/0x140 [ 3470.601904][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3470.601904][ T7704] addrconf_add_dev+0xe2/0x170 [ 3470.601904][ T7704] inet6_addr_add+0x12f/0xa40 [ 3470.601904][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3470.601904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.601904][ T7704] netlink_rcv_skb+0x130/0x360 [ 3470.601904][ T7704] netlink_unicast+0x449/0x710 [ 3470.601904][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3470.601904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3470.601904][ T7704] ___sys_sendmsg+0xee/0x170 [ 3470.601904][ T7704] __sys_sendmsg+0xcd/0x170 [ 3470.601904][ T7704] do_syscall_64+0xc6/0x1e0 [ 3470.601904][ T7704] [ 3470.604120][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3470.604120][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3470.604120][ T7704] ipv6_find_idev+0x102/0x170 [ 3470.604120][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.604120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.604120][ T7704] netlink_rcv_skb+0x130/0x360 [ 3470.604120][ T7704] netlink_unicast+0x449/0x710 [ 3470.604120][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3470.604120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3470.604120][ T7704] ___sys_sendmsg+0xee/0x170 [ 3470.604120][ T7704] __sys_sendmsg+0xcd/0x170 [ 3470.604120][ T7704] do_syscall_64+0xc6/0x1e0 [ 3470.604120][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.604120][ T7704] [ 3470.605838][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3470.605838][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3470.605838][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3470.605838][ T7704] ipv6_find_idev+0x102/0x170 [ 3470.605838][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3470.605838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3470.605838][ T7704] netlink_rcv_skb+0x130/0x360 [ 3470.605838][ T7704] netlink_unicast+0x449/0x710 [ 3470.605838][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3470.605838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3470.605838][ T7704] ___sys_sendmsg+0xee/0x170 [ 3470.605838][ T7704] __sys_sendmsg+0xcd/0x170 [ 3470.605838][ T7704] do_syscall_64+0xc6/0x1e0 [ 3470.605838][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3470.605838][ T7704] [ 3480.860771][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3480.861309][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3480.861309][ T7704] netdev_get_by_index+0x5e/0x80 [ 3480.861309][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3480.861309][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3480.861309][ T7704] ip6_route_add+0x1c/0x140 [ 3480.861309][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3480.861309][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3480.861309][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3480.861309][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3480.861309][ T7704] netlink_rcv_skb+0x130/0x360 [ 3480.861309][ T7704] netlink_unicast+0x449/0x710 [ 3480.861309][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3480.861309][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3480.861309][ T7704] ___sys_sendmsg+0xee/0x170 [ 3480.861309][ T7704] __sys_sendmsg+0xcd/0x170 [ 3480.861309][ T7704] do_syscall_64+0xc6/0x1e0 [ 3480.861309][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3480.861309][ T7704] [ 3480.863799][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3480.863799][ T7704] netdev_get_by_index+0x5e/0x80 [ 3480.863799][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3480.863799][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3480.863799][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3480.863799][ T7704] ipv6_add_addr+0x411/0x2000 [ 3480.863799][ T7704] inet6_addr_add+0x30e/0xa40 [ 3480.863799][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3480.863799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3480.863799][ T7704] netlink_rcv_skb+0x130/0x360 [ 3480.863799][ T7704] netlink_unicast+0x449/0x710 [ 3480.863799][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3480.863799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3480.863799][ T7704] ___sys_sendmsg+0xee/0x170 [ 3480.863799][ T7704] __sys_sendmsg+0xcd/0x170 [ 3480.863799][ T7704] do_syscall_64+0xc6/0x1e0 [ 3480.863799][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3480.863799][ T7704] [ 3480.866311][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3480.866311][ T7704] netdev_get_by_index+0x5e/0x80 [ 3480.866311][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3480.866311][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3480.866311][ T7704] ip6_route_add+0x1c/0x140 [ 3480.866311][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3480.866311][ T7704] addrconf_add_dev+0xe2/0x170 [ 3480.866311][ T7704] inet6_addr_add+0x12f/0xa40 [ 3480.866311][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3480.866311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3480.866311][ T7704] netlink_rcv_skb+0x130/0x360 [ 3480.866311][ T7704] netlink_unicast+0x449/0x710 [ 3480.866311][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3480.866311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3480.866311][ T7704] ___sys_sendmsg+0xee/0x170 [ 3480.866311][ T7704] __sys_sendmsg+0xcd/0x170 [ 3480.866311][ T7704] do_syscall_64+0xc6/0x1e0 [ 3480.866311][ T7704] [ 3480.868752][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3480.868752][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3480.868752][ T7704] ipv6_find_idev+0x102/0x170 [ 3480.868752][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3480.868752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3480.868752][ T7704] netlink_rcv_skb+0x130/0x360 [ 3480.868752][ T7704] netlink_unicast+0x449/0x710 [ 3480.868752][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3480.868752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3480.868752][ T7704] ___sys_sendmsg+0xee/0x170 [ 3480.868752][ T7704] __sys_sendmsg+0xcd/0x170 [ 3480.868752][ T7704] do_syscall_64+0xc6/0x1e0 [ 3480.868752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3480.868752][ T7704] [ 3480.870663][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3480.870663][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3480.870663][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3480.870663][ T7704] ipv6_find_idev+0x102/0x170 [ 3480.870663][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3480.870663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3480.870663][ T7704] netlink_rcv_skb+0x130/0x360 [ 3480.870663][ T7704] netlink_unicast+0x449/0x710 [ 3480.870663][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3480.870663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3480.870663][ T7704] ___sys_sendmsg+0xee/0x170 [ 3480.870663][ T7704] __sys_sendmsg+0xcd/0x170 [ 3480.870663][ T7704] do_syscall_64+0xc6/0x1e0 [ 3480.870663][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3480.870663][ T7704] [ 3491.124726][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3491.125171][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3491.125171][ T7704] netdev_get_by_index+0x5e/0x80 [ 3491.125171][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3491.125171][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3491.125171][ T7704] ip6_route_add+0x1c/0x140 [ 3491.125171][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3491.125171][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3491.125171][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.125171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.125171][ T7704] netlink_rcv_skb+0x130/0x360 [ 3491.125171][ T7704] netlink_unicast+0x449/0x710 [ 3491.125171][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3491.125171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3491.125171][ T7704] ___sys_sendmsg+0xee/0x170 [ 3491.125171][ T7704] __sys_sendmsg+0xcd/0x170 [ 3491.125171][ T7704] do_syscall_64+0xc6/0x1e0 [ 3491.125171][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.125171][ T7704] [ 3491.127421][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3491.127421][ T7704] netdev_get_by_index+0x5e/0x80 [ 3491.127421][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3491.127421][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3491.127421][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3491.127421][ T7704] ipv6_add_addr+0x411/0x2000 [ 3491.127421][ T7704] inet6_addr_add+0x30e/0xa40 [ 3491.127421][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.127421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.127421][ T7704] netlink_rcv_skb+0x130/0x360 [ 3491.127421][ T7704] netlink_unicast+0x449/0x710 [ 3491.127421][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3491.127421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3491.127421][ T7704] ___sys_sendmsg+0xee/0x170 [ 3491.127421][ T7704] __sys_sendmsg+0xcd/0x170 [ 3491.127421][ T7704] do_syscall_64+0xc6/0x1e0 [ 3491.127421][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.127421][ T7704] [ 3491.129636][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3491.129636][ T7704] netdev_get_by_index+0x5e/0x80 [ 3491.129636][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3491.129636][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3491.129636][ T7704] ip6_route_add+0x1c/0x140 [ 3491.129636][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3491.129636][ T7704] addrconf_add_dev+0xe2/0x170 [ 3491.129636][ T7704] inet6_addr_add+0x12f/0xa40 [ 3491.129636][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.129636][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.129636][ T7704] netlink_rcv_skb+0x130/0x360 [ 3491.129636][ T7704] netlink_unicast+0x449/0x710 [ 3491.129636][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3491.129636][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3491.129636][ T7704] ___sys_sendmsg+0xee/0x170 [ 3491.129636][ T7704] __sys_sendmsg+0xcd/0x170 [ 3491.129636][ T7704] do_syscall_64+0xc6/0x1e0 [ 3491.129636][ T7704] [ 3491.131830][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3491.131830][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3491.131830][ T7704] ipv6_find_idev+0x102/0x170 [ 3491.131830][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.131830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.131830][ T7704] netlink_rcv_skb+0x130/0x360 [ 3491.131830][ T7704] netlink_unicast+0x449/0x710 [ 3491.131830][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3491.131830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3491.131830][ T7704] ___sys_sendmsg+0xee/0x170 [ 3491.131830][ T7704] __sys_sendmsg+0xcd/0x170 [ 3491.131830][ T7704] do_syscall_64+0xc6/0x1e0 [ 3491.131830][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.131830][ T7704] [ 3491.133549][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3491.133549][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3491.133549][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3491.133549][ T7704] ipv6_find_idev+0x102/0x170 [ 3491.133549][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.133549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.133549][ T7704] netlink_rcv_skb+0x130/0x360 [ 3491.133549][ T7704] netlink_unicast+0x449/0x710 [ 3491.133549][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3491.133549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3491.133549][ T7704] ___sys_sendmsg+0xee/0x170 [ 3491.133549][ T7704] __sys_sendmsg+0xcd/0x170 [ 3491.133549][ T7704] do_syscall_64+0xc6/0x1e0 [ 3491.133549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.133549][ T7704] [ 3501.380748][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3501.381229][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3501.381229][ T7704] netdev_get_by_index+0x5e/0x80 [ 3501.381229][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3501.381229][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3501.381229][ T7704] ip6_route_add+0x1c/0x140 [ 3501.381229][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3501.381229][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3501.381229][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.381229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.381229][ T7704] netlink_rcv_skb+0x130/0x360 [ 3501.381229][ T7704] netlink_unicast+0x449/0x710 [ 3501.381229][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3501.381229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3501.381229][ T7704] ___sys_sendmsg+0xee/0x170 [ 3501.381229][ T7704] __sys_sendmsg+0xcd/0x170 [ 3501.381229][ T7704] do_syscall_64+0xc6/0x1e0 [ 3501.381229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.381229][ T7704] [ 3501.383498][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3501.383498][ T7704] netdev_get_by_index+0x5e/0x80 [ 3501.383498][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3501.383498][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3501.383498][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3501.383498][ T7704] ipv6_add_addr+0x411/0x2000 [ 3501.383498][ T7704] inet6_addr_add+0x30e/0xa40 [ 3501.383498][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.383498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.383498][ T7704] netlink_rcv_skb+0x130/0x360 [ 3501.383498][ T7704] netlink_unicast+0x449/0x710 [ 3501.383498][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3501.383498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3501.383498][ T7704] ___sys_sendmsg+0xee/0x170 [ 3501.383498][ T7704] __sys_sendmsg+0xcd/0x170 [ 3501.383498][ T7704] do_syscall_64+0xc6/0x1e0 [ 3501.383498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.383498][ T7704] [ 3501.385834][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3501.385834][ T7704] netdev_get_by_index+0x5e/0x80 [ 3501.385834][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3501.385834][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3501.385834][ T7704] ip6_route_add+0x1c/0x140 [ 3501.385834][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3501.385834][ T7704] addrconf_add_dev+0xe2/0x170 [ 3501.385834][ T7704] inet6_addr_add+0x12f/0xa40 [ 3501.385834][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.385834][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.385834][ T7704] netlink_rcv_skb+0x130/0x360 [ 3501.385834][ T7704] netlink_unicast+0x449/0x710 [ 3501.385834][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3501.385834][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3501.385834][ T7704] ___sys_sendmsg+0xee/0x170 [ 3501.385834][ T7704] __sys_sendmsg+0xcd/0x170 [ 3501.385834][ T7704] do_syscall_64+0xc6/0x1e0 [ 3501.385834][ T7704] [ 3501.388020][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3501.388020][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3501.388020][ T7704] ipv6_find_idev+0x102/0x170 [ 3501.388020][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.388020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.388020][ T7704] netlink_rcv_skb+0x130/0x360 [ 3501.388020][ T7704] netlink_unicast+0x449/0x710 [ 3501.388020][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3501.388020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3501.388020][ T7704] ___sys_sendmsg+0xee/0x170 [ 3501.388020][ T7704] __sys_sendmsg+0xcd/0x170 [ 3501.388020][ T7704] do_syscall_64+0xc6/0x1e0 [ 3501.388020][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.388020][ T7704] [ 3501.389718][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3501.389718][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3501.389718][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3501.389718][ T7704] ipv6_find_idev+0x102/0x170 [ 3501.389718][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.389718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.389718][ T7704] netlink_rcv_skb+0x130/0x360 [ 3501.389718][ T7704] netlink_unicast+0x449/0x710 [ 3501.389718][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3501.389718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3501.389718][ T7704] ___sys_sendmsg+0xee/0x170 [ 3501.389718][ T7704] __sys_sendmsg+0xcd/0x170 [ 3501.389718][ T7704] do_syscall_64+0xc6/0x1e0 [ 3501.389718][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.389718][ T7704] [ 3511.636747][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3511.637259][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3511.637259][ T7704] netdev_get_by_index+0x5e/0x80 [ 3511.637259][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3511.637259][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3511.637259][ T7704] ip6_route_add+0x1c/0x140 [ 3511.637259][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3511.637259][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3511.637259][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3511.637259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.637259][ T7704] netlink_rcv_skb+0x130/0x360 [ 3511.637259][ T7704] netlink_unicast+0x449/0x710 [ 3511.637259][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3511.637259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3511.637259][ T7704] ___sys_sendmsg+0xee/0x170 [ 3511.637259][ T7704] __sys_sendmsg+0xcd/0x170 [ 3511.637259][ T7704] do_syscall_64+0xc6/0x1e0 [ 3511.637259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.637259][ T7704] [ 3511.640061][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3511.640061][ T7704] netdev_get_by_index+0x5e/0x80 [ 3511.640061][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3511.640061][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3511.640061][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3511.640061][ T7704] ipv6_add_addr+0x411/0x2000 [ 3511.640061][ T7704] inet6_addr_add+0x30e/0xa40 [ 3511.640061][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3511.640061][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.640061][ T7704] netlink_rcv_skb+0x130/0x360 [ 3511.640061][ T7704] netlink_unicast+0x449/0x710 [ 3511.640061][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3511.640061][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3511.640061][ T7704] ___sys_sendmsg+0xee/0x170 [ 3511.640061][ T7704] __sys_sendmsg+0xcd/0x170 [ 3511.640061][ T7704] do_syscall_64+0xc6/0x1e0 [ 3511.640061][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.640061][ T7704] [ 3511.642289][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3511.642289][ T7704] netdev_get_by_index+0x5e/0x80 [ 3511.642289][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3511.642289][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3511.642289][ T7704] ip6_route_add+0x1c/0x140 [ 3511.642289][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3511.642289][ T7704] addrconf_add_dev+0xe2/0x170 [ 3511.642289][ T7704] inet6_addr_add+0x12f/0xa40 [ 3511.642289][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3511.642289][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.642289][ T7704] netlink_rcv_skb+0x130/0x360 [ 3511.642289][ T7704] netlink_unicast+0x449/0x710 [ 3511.642289][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3511.642289][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3511.642289][ T7704] ___sys_sendmsg+0xee/0x170 [ 3511.642289][ T7704] __sys_sendmsg+0xcd/0x170 [ 3511.642289][ T7704] do_syscall_64+0xc6/0x1e0 [ 3511.642289][ T7704] [ 3511.644480][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3511.644480][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3511.644480][ T7704] ipv6_find_idev+0x102/0x170 [ 3511.644480][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3511.644480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.644480][ T7704] netlink_rcv_skb+0x130/0x360 [ 3511.644480][ T7704] netlink_unicast+0x449/0x710 [ 3511.644480][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3511.644480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3511.644480][ T7704] ___sys_sendmsg+0xee/0x170 [ 3511.644480][ T7704] __sys_sendmsg+0xcd/0x170 [ 3511.644480][ T7704] do_syscall_64+0xc6/0x1e0 [ 3511.644480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.644480][ T7704] [ 3511.646183][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3511.646183][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3511.646183][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3511.646183][ T7704] ipv6_find_idev+0x102/0x170 [ 3511.646183][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3511.646183][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3511.646183][ T7704] netlink_rcv_skb+0x130/0x360 [ 3511.646183][ T7704] netlink_unicast+0x449/0x710 [ 3511.646183][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3511.646183][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3511.646183][ T7704] ___sys_sendmsg+0xee/0x170 [ 3511.646183][ T7704] __sys_sendmsg+0xcd/0x170 [ 3511.646183][ T7704] do_syscall_64+0xc6/0x1e0 [ 3511.646183][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3511.646183][ T7704] [ 3521.900818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3521.901227][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3521.901227][ T7704] netdev_get_by_index+0x5e/0x80 [ 3521.901227][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3521.901227][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3521.901227][ T7704] ip6_route_add+0x1c/0x140 [ 3521.901227][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3521.901227][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3521.901227][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3521.901227][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3521.901227][ T7704] netlink_rcv_skb+0x130/0x360 [ 3521.901227][ T7704] netlink_unicast+0x449/0x710 [ 3521.901227][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3521.901227][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3521.901227][ T7704] ___sys_sendmsg+0xee/0x170 [ 3521.901227][ T7704] __sys_sendmsg+0xcd/0x170 [ 3521.901227][ T7704] do_syscall_64+0xc6/0x1e0 [ 3521.901227][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3521.901227][ T7704] [ 3521.903463][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3521.903463][ T7704] netdev_get_by_index+0x5e/0x80 [ 3521.903463][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3521.903463][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3521.903463][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3521.903463][ T7704] ipv6_add_addr+0x411/0x2000 [ 3521.903463][ T7704] inet6_addr_add+0x30e/0xa40 [ 3521.903463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3521.903463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3521.903463][ T7704] netlink_rcv_skb+0x130/0x360 [ 3521.903463][ T7704] netlink_unicast+0x449/0x710 [ 3521.903463][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3521.903463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3521.903463][ T7704] ___sys_sendmsg+0xee/0x170 [ 3521.903463][ T7704] __sys_sendmsg+0xcd/0x170 [ 3521.903463][ T7704] do_syscall_64+0xc6/0x1e0 [ 3521.903463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3521.903463][ T7704] [ 3521.905677][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3521.905677][ T7704] netdev_get_by_index+0x5e/0x80 [ 3521.905677][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3521.905677][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3521.905677][ T7704] ip6_route_add+0x1c/0x140 [ 3521.905677][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3521.905677][ T7704] addrconf_add_dev+0xe2/0x170 [ 3521.905677][ T7704] inet6_addr_add+0x12f/0xa40 [ 3521.905677][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3521.905677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3521.905677][ T7704] netlink_rcv_skb+0x130/0x360 [ 3521.905677][ T7704] netlink_unicast+0x449/0x710 [ 3521.905677][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3521.905677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3521.905677][ T7704] ___sys_sendmsg+0xee/0x170 [ 3521.905677][ T7704] __sys_sendmsg+0xcd/0x170 [ 3521.905677][ T7704] do_syscall_64+0xc6/0x1e0 [ 3521.905677][ T7704] [ 3521.907851][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3521.907851][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3521.907851][ T7704] ipv6_find_idev+0x102/0x170 [ 3521.907851][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3521.907851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3521.907851][ T7704] netlink_rcv_skb+0x130/0x360 [ 3521.907851][ T7704] netlink_unicast+0x449/0x710 [ 3521.907851][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3521.907851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3521.907851][ T7704] ___sys_sendmsg+0xee/0x170 [ 3521.907851][ T7704] __sys_sendmsg+0xcd/0x170 [ 3521.907851][ T7704] do_syscall_64+0xc6/0x1e0 [ 3521.907851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3521.907851][ T7704] [ 3521.909571][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3521.909571][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3521.909571][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3521.909571][ T7704] ipv6_find_idev+0x102/0x170 [ 3521.909571][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3521.909571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3521.909571][ T7704] netlink_rcv_skb+0x130/0x360 [ 3521.909571][ T7704] netlink_unicast+0x449/0x710 [ 3521.909571][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3521.909571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3521.909571][ T7704] ___sys_sendmsg+0xee/0x170 [ 3521.909571][ T7704] __sys_sendmsg+0xcd/0x170 [ 3521.909571][ T7704] do_syscall_64+0xc6/0x1e0 [ 3521.909571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3521.909571][ T7704] [ 3531.964737][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3531.965545][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3531.965545][ T7704] netdev_get_by_index+0x5e/0x80 [ 3531.965545][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3531.965545][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3531.965545][ T7704] ip6_route_add+0x1c/0x140 [ 3531.965545][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3531.965545][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3531.965545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3531.965545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3531.965545][ T7704] netlink_rcv_skb+0x130/0x360 [ 3531.965545][ T7704] netlink_unicast+0x449/0x710 [ 3531.965545][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3531.965545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3531.965545][ T7704] ___sys_sendmsg+0xee/0x170 [ 3531.965545][ T7704] __sys_sendmsg+0xcd/0x170 [ 3531.965545][ T7704] do_syscall_64+0xc6/0x1e0 [ 3531.965545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3531.965545][ T7704] [ 3531.967773][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3531.967773][ T7704] netdev_get_by_index+0x5e/0x80 [ 3531.967773][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3531.967773][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3531.967773][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3531.967773][ T7704] ipv6_add_addr+0x411/0x2000 [ 3531.967773][ T7704] inet6_addr_add+0x30e/0xa40 [ 3531.967773][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3531.967773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3531.967773][ T7704] netlink_rcv_skb+0x130/0x360 [ 3531.967773][ T7704] netlink_unicast+0x449/0x710 [ 3531.967773][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3531.967773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3531.967773][ T7704] ___sys_sendmsg+0xee/0x170 [ 3531.967773][ T7704] __sys_sendmsg+0xcd/0x170 [ 3531.967773][ T7704] do_syscall_64+0xc6/0x1e0 [ 3531.967773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3531.967773][ T7704] [ 3531.969992][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3531.969992][ T7704] netdev_get_by_index+0x5e/0x80 [ 3531.969992][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3531.969992][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3531.969992][ T7704] ip6_route_add+0x1c/0x140 [ 3531.969992][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3531.969992][ T7704] addrconf_add_dev+0xe2/0x170 [ 3531.969992][ T7704] inet6_addr_add+0x12f/0xa40 [ 3531.969992][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3531.969992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3531.969992][ T7704] netlink_rcv_skb+0x130/0x360 [ 3531.969992][ T7704] netlink_unicast+0x449/0x710 [ 3531.969992][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3531.969992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3531.969992][ T7704] ___sys_sendmsg+0xee/0x170 [ 3531.969992][ T7704] __sys_sendmsg+0xcd/0x170 [ 3531.969992][ T7704] do_syscall_64+0xc6/0x1e0 [ 3531.969992][ T7704] [ 3531.972171][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3531.972171][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3531.972171][ T7704] ipv6_find_idev+0x102/0x170 [ 3531.972171][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3531.972171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3531.972171][ T7704] netlink_rcv_skb+0x130/0x360 [ 3531.972171][ T7704] netlink_unicast+0x449/0x710 [ 3531.972171][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3531.972171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3531.972171][ T7704] ___sys_sendmsg+0xee/0x170 [ 3531.972171][ T7704] __sys_sendmsg+0xcd/0x170 [ 3531.972171][ T7704] do_syscall_64+0xc6/0x1e0 [ 3531.972171][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3531.972171][ T7704] [ 3531.973886][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3531.973886][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3531.973886][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3531.973886][ T7704] ipv6_find_idev+0x102/0x170 [ 3531.973886][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3531.973886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3531.973886][ T7704] netlink_rcv_skb+0x130/0x360 [ 3531.973886][ T7704] netlink_unicast+0x449/0x710 [ 3531.973886][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3531.973886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3531.973886][ T7704] ___sys_sendmsg+0xee/0x170 [ 3531.973886][ T7704] __sys_sendmsg+0xcd/0x170 [ 3531.973886][ T7704] do_syscall_64+0xc6/0x1e0 [ 3531.973886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3531.973886][ T7704] [ 3542.212739][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3542.213254][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3542.213254][ T7704] netdev_get_by_index+0x5e/0x80 [ 3542.213254][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3542.213254][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3542.213254][ T7704] ip6_route_add+0x1c/0x140 [ 3542.213254][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3542.213254][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3542.213254][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.213254][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.213254][ T7704] netlink_rcv_skb+0x130/0x360 [ 3542.213254][ T7704] netlink_unicast+0x449/0x710 [ 3542.213254][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3542.213254][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3542.213254][ T7704] ___sys_sendmsg+0xee/0x170 [ 3542.213254][ T7704] __sys_sendmsg+0xcd/0x170 [ 3542.213254][ T7704] do_syscall_64+0xc6/0x1e0 [ 3542.213254][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.213254][ T7704] [ 3542.215516][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3542.215516][ T7704] netdev_get_by_index+0x5e/0x80 [ 3542.215516][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3542.215516][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3542.215516][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3542.215516][ T7704] ipv6_add_addr+0x411/0x2000 [ 3542.215516][ T7704] inet6_addr_add+0x30e/0xa40 [ 3542.215516][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.215516][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.215516][ T7704] netlink_rcv_skb+0x130/0x360 [ 3542.215516][ T7704] netlink_unicast+0x449/0x710 [ 3542.215516][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3542.215516][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3542.215516][ T7704] ___sys_sendmsg+0xee/0x170 [ 3542.215516][ T7704] __sys_sendmsg+0xcd/0x170 [ 3542.215516][ T7704] do_syscall_64+0xc6/0x1e0 [ 3542.215516][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.215516][ T7704] [ 3542.217737][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3542.217737][ T7704] netdev_get_by_index+0x5e/0x80 [ 3542.217737][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3542.217737][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3542.217737][ T7704] ip6_route_add+0x1c/0x140 [ 3542.217737][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3542.217737][ T7704] addrconf_add_dev+0xe2/0x170 [ 3542.217737][ T7704] inet6_addr_add+0x12f/0xa40 [ 3542.217737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.217737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.217737][ T7704] netlink_rcv_skb+0x130/0x360 [ 3542.217737][ T7704] netlink_unicast+0x449/0x710 [ 3542.217737][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3542.217737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3542.217737][ T7704] ___sys_sendmsg+0xee/0x170 [ 3542.217737][ T7704] __sys_sendmsg+0xcd/0x170 [ 3542.217737][ T7704] do_syscall_64+0xc6/0x1e0 [ 3542.217737][ T7704] [ 3542.219927][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3542.219927][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3542.219927][ T7704] ipv6_find_idev+0x102/0x170 [ 3542.219927][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.219927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.219927][ T7704] netlink_rcv_skb+0x130/0x360 [ 3542.219927][ T7704] netlink_unicast+0x449/0x710 [ 3542.219927][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3542.219927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3542.219927][ T7704] ___sys_sendmsg+0xee/0x170 [ 3542.219927][ T7704] __sys_sendmsg+0xcd/0x170 [ 3542.219927][ T7704] do_syscall_64+0xc6/0x1e0 [ 3542.219927][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.219927][ T7704] [ 3542.221645][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3542.221645][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3542.221645][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3542.221645][ T7704] ipv6_find_idev+0x102/0x170 [ 3542.221645][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.221645][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.221645][ T7704] netlink_rcv_skb+0x130/0x360 [ 3542.221645][ T7704] netlink_unicast+0x449/0x710 [ 3542.221645][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3542.221645][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3542.221645][ T7704] ___sys_sendmsg+0xee/0x170 [ 3542.221645][ T7704] __sys_sendmsg+0xcd/0x170 [ 3542.221645][ T7704] do_syscall_64+0xc6/0x1e0 [ 3542.221645][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.221645][ T7704] [ 3552.460843][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3552.461371][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3552.461371][ T7704] netdev_get_by_index+0x5e/0x80 [ 3552.461371][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3552.461371][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3552.461371][ T7704] ip6_route_add+0x1c/0x140 [ 3552.461371][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3552.461371][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3552.461371][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3552.461371][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.461371][ T7704] netlink_rcv_skb+0x130/0x360 [ 3552.461371][ T7704] netlink_unicast+0x449/0x710 [ 3552.461371][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3552.461371][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3552.461371][ T7704] ___sys_sendmsg+0xee/0x170 [ 3552.461371][ T7704] __sys_sendmsg+0xcd/0x170 [ 3552.461371][ T7704] do_syscall_64+0xc6/0x1e0 [ 3552.461371][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.461371][ T7704] [ 3552.463879][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3552.463879][ T7704] netdev_get_by_index+0x5e/0x80 [ 3552.463879][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3552.463879][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3552.463879][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3552.463879][ T7704] ipv6_add_addr+0x411/0x2000 [ 3552.463879][ T7704] inet6_addr_add+0x30e/0xa40 [ 3552.463879][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3552.463879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.463879][ T7704] netlink_rcv_skb+0x130/0x360 [ 3552.463879][ T7704] netlink_unicast+0x449/0x710 [ 3552.463879][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3552.463879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3552.463879][ T7704] ___sys_sendmsg+0xee/0x170 [ 3552.463879][ T7704] __sys_sendmsg+0xcd/0x170 [ 3552.463879][ T7704] do_syscall_64+0xc6/0x1e0 [ 3552.463879][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.463879][ T7704] [ 3552.466321][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3552.466321][ T7704] netdev_get_by_index+0x5e/0x80 [ 3552.466321][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3552.466321][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3552.466321][ T7704] ip6_route_add+0x1c/0x140 [ 3552.466321][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3552.466321][ T7704] addrconf_add_dev+0xe2/0x170 [ 3552.466321][ T7704] inet6_addr_add+0x12f/0xa40 [ 3552.466321][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3552.466321][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.466321][ T7704] netlink_rcv_skb+0x130/0x360 [ 3552.466321][ T7704] netlink_unicast+0x449/0x710 [ 3552.466321][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3552.466321][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3552.466321][ T7704] ___sys_sendmsg+0xee/0x170 [ 3552.466321][ T7704] __sys_sendmsg+0xcd/0x170 [ 3552.466321][ T7704] do_syscall_64+0xc6/0x1e0 [ 3552.466321][ T7704] [ 3552.468719][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3552.468719][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3552.468719][ T7704] ipv6_find_idev+0x102/0x170 [ 3552.468719][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3552.468719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.468719][ T7704] netlink_rcv_skb+0x130/0x360 [ 3552.468719][ T7704] netlink_unicast+0x449/0x710 [ 3552.468719][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3552.468719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3552.468719][ T7704] ___sys_sendmsg+0xee/0x170 [ 3552.468719][ T7704] __sys_sendmsg+0xcd/0x170 [ 3552.468719][ T7704] do_syscall_64+0xc6/0x1e0 [ 3552.468719][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.468719][ T7704] [ 3552.470606][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3552.470606][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3552.470606][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3552.470606][ T7704] ipv6_find_idev+0x102/0x170 [ 3552.470606][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3552.470606][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3552.470606][ T7704] netlink_rcv_skb+0x130/0x360 [ 3552.470606][ T7704] netlink_unicast+0x449/0x710 [ 3552.470606][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3552.470606][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3552.470606][ T7704] ___sys_sendmsg+0xee/0x170 [ 3552.470606][ T7704] __sys_sendmsg+0xcd/0x170 [ 3552.470606][ T7704] do_syscall_64+0xc6/0x1e0 [ 3552.470606][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3552.470606][ T7704] [ 3562.708833][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3562.709317][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3562.709317][ T7704] netdev_get_by_index+0x5e/0x80 [ 3562.709317][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3562.709317][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3562.709317][ T7704] ip6_route_add+0x1c/0x140 [ 3562.709317][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3562.709317][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3562.709317][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3562.709317][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3562.709317][ T7704] netlink_rcv_skb+0x130/0x360 [ 3562.709317][ T7704] netlink_unicast+0x449/0x710 [ 3562.709317][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3562.709317][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3562.709317][ T7704] ___sys_sendmsg+0xee/0x170 [ 3562.709317][ T7704] __sys_sendmsg+0xcd/0x170 [ 3562.709317][ T7704] do_syscall_64+0xc6/0x1e0 [ 3562.709317][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3562.709317][ T7704] [ 3562.711811][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3562.711811][ T7704] netdev_get_by_index+0x5e/0x80 [ 3562.711811][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3562.711811][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3562.711811][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3562.711811][ T7704] ipv6_add_addr+0x411/0x2000 [ 3562.711811][ T7704] inet6_addr_add+0x30e/0xa40 [ 3562.711811][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3562.711811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3562.711811][ T7704] netlink_rcv_skb+0x130/0x360 [ 3562.711811][ T7704] netlink_unicast+0x449/0x710 [ 3562.711811][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3562.711811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3562.711811][ T7704] ___sys_sendmsg+0xee/0x170 [ 3562.711811][ T7704] __sys_sendmsg+0xcd/0x170 [ 3562.711811][ T7704] do_syscall_64+0xc6/0x1e0 [ 3562.711811][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3562.711811][ T7704] [ 3562.714309][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3562.714309][ T7704] netdev_get_by_index+0x5e/0x80 [ 3562.714309][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3562.714309][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3562.714309][ T7704] ip6_route_add+0x1c/0x140 [ 3562.714309][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3562.714309][ T7704] addrconf_add_dev+0xe2/0x170 [ 3562.714309][ T7704] inet6_addr_add+0x12f/0xa40 [ 3562.714309][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3562.714309][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3562.714309][ T7704] netlink_rcv_skb+0x130/0x360 [ 3562.714309][ T7704] netlink_unicast+0x449/0x710 [ 3562.714309][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3562.714309][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3562.714309][ T7704] ___sys_sendmsg+0xee/0x170 [ 3562.714309][ T7704] __sys_sendmsg+0xcd/0x170 [ 3562.714309][ T7704] do_syscall_64+0xc6/0x1e0 [ 3562.714309][ T7704] [ 3562.716728][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3562.716728][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3562.716728][ T7704] ipv6_find_idev+0x102/0x170 [ 3562.716728][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3562.716728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3562.716728][ T7704] netlink_rcv_skb+0x130/0x360 [ 3562.716728][ T7704] netlink_unicast+0x449/0x710 [ 3562.716728][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3562.716728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3562.716728][ T7704] ___sys_sendmsg+0xee/0x170 [ 3562.716728][ T7704] __sys_sendmsg+0xcd/0x170 [ 3562.716728][ T7704] do_syscall_64+0xc6/0x1e0 [ 3562.716728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3562.716728][ T7704] [ 3562.718658][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3562.718658][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3562.718658][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3562.718658][ T7704] ipv6_find_idev+0x102/0x170 [ 3562.718658][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3562.718658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3562.718658][ T7704] netlink_rcv_skb+0x130/0x360 [ 3562.718658][ T7704] netlink_unicast+0x449/0x710 [ 3562.718658][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3562.718658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3562.718658][ T7704] ___sys_sendmsg+0xee/0x170 [ 3562.718658][ T7704] __sys_sendmsg+0xcd/0x170 [ 3562.718658][ T7704] do_syscall_64+0xc6/0x1e0 [ 3562.718658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3562.718658][ T7704] [ 3572.764848][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3572.765341][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3572.765341][ T7704] netdev_get_by_index+0x5e/0x80 [ 3572.765341][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3572.765341][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3572.765341][ T7704] ip6_route_add+0x1c/0x140 [ 3572.765341][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3572.765341][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3572.765341][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3572.765341][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3572.765341][ T7704] netlink_rcv_skb+0x130/0x360 [ 3572.765341][ T7704] netlink_unicast+0x449/0x710 [ 3572.765341][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3572.765341][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3572.765341][ T7704] ___sys_sendmsg+0xee/0x170 [ 3572.765341][ T7704] __sys_sendmsg+0xcd/0x170 [ 3572.765341][ T7704] do_syscall_64+0xc6/0x1e0 [ 3572.765341][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3572.765341][ T7704] [ 3572.767571][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3572.767571][ T7704] netdev_get_by_index+0x5e/0x80 [ 3572.767571][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3572.767571][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3572.767571][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3572.767571][ T7704] ipv6_add_addr+0x411/0x2000 [ 3572.767571][ T7704] inet6_addr_add+0x30e/0xa40 [ 3572.767571][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3572.767571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3572.767571][ T7704] netlink_rcv_skb+0x130/0x360 [ 3572.767571][ T7704] netlink_unicast+0x449/0x710 [ 3572.767571][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3572.767571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3572.767571][ T7704] ___sys_sendmsg+0xee/0x170 [ 3572.767571][ T7704] __sys_sendmsg+0xcd/0x170 [ 3572.767571][ T7704] do_syscall_64+0xc6/0x1e0 [ 3572.767571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3572.767571][ T7704] [ 3572.769788][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3572.769788][ T7704] netdev_get_by_index+0x5e/0x80 [ 3572.769788][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3572.769788][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3572.769788][ T7704] ip6_route_add+0x1c/0x140 [ 3572.769788][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3572.769788][ T7704] addrconf_add_dev+0xe2/0x170 [ 3572.769788][ T7704] inet6_addr_add+0x12f/0xa40 [ 3572.769788][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3572.769788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3572.769788][ T7704] netlink_rcv_skb+0x130/0x360 [ 3572.769788][ T7704] netlink_unicast+0x449/0x710 [ 3572.769788][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3572.769788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3572.769788][ T7704] ___sys_sendmsg+0xee/0x170 [ 3572.769788][ T7704] __sys_sendmsg+0xcd/0x170 [ 3572.769788][ T7704] do_syscall_64+0xc6/0x1e0 [ 3572.769788][ T7704] [ 3572.771957][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3572.771957][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3572.771957][ T7704] ipv6_find_idev+0x102/0x170 [ 3572.771957][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3572.771957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3572.771957][ T7704] netlink_rcv_skb+0x130/0x360 [ 3572.771957][ T7704] netlink_unicast+0x449/0x710 [ 3572.771957][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3572.771957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3572.771957][ T7704] ___sys_sendmsg+0xee/0x170 [ 3572.771957][ T7704] __sys_sendmsg+0xcd/0x170 [ 3572.771957][ T7704] do_syscall_64+0xc6/0x1e0 [ 3572.771957][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3572.771957][ T7704] [ 3572.773677][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3572.773677][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3572.773677][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3572.773677][ T7704] ipv6_find_idev+0x102/0x170 [ 3572.773677][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3572.773677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3572.773677][ T7704] netlink_rcv_skb+0x130/0x360 [ 3572.773677][ T7704] netlink_unicast+0x449/0x710 [ 3572.773677][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3572.773677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3572.773677][ T7704] ___sys_sendmsg+0xee/0x170 [ 3572.773677][ T7704] __sys_sendmsg+0xcd/0x170 [ 3572.773677][ T7704] do_syscall_64+0xc6/0x1e0 [ 3572.773677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3572.773677][ T7704] [ 3583.012858][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3583.013385][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3583.013385][ T7704] netdev_get_by_index+0x5e/0x80 [ 3583.013385][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3583.013385][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3583.013385][ T7704] ip6_route_add+0x1c/0x140 [ 3583.013385][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3583.013385][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3583.013385][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.013385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.013385][ T7704] netlink_rcv_skb+0x130/0x360 [ 3583.013385][ T7704] netlink_unicast+0x449/0x710 [ 3583.013385][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3583.013385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3583.013385][ T7704] ___sys_sendmsg+0xee/0x170 [ 3583.013385][ T7704] __sys_sendmsg+0xcd/0x170 [ 3583.013385][ T7704] do_syscall_64+0xc6/0x1e0 [ 3583.013385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.013385][ T7704] [ 3583.015923][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3583.015923][ T7704] netdev_get_by_index+0x5e/0x80 [ 3583.015923][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3583.015923][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3583.015923][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3583.015923][ T7704] ipv6_add_addr+0x411/0x2000 [ 3583.015923][ T7704] inet6_addr_add+0x30e/0xa40 [ 3583.015923][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.015923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.015923][ T7704] netlink_rcv_skb+0x130/0x360 [ 3583.015923][ T7704] netlink_unicast+0x449/0x710 [ 3583.015923][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3583.015923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3583.015923][ T7704] ___sys_sendmsg+0xee/0x170 [ 3583.015923][ T7704] __sys_sendmsg+0xcd/0x170 [ 3583.015923][ T7704] do_syscall_64+0xc6/0x1e0 [ 3583.015923][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.015923][ T7704] [ 3583.018371][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3583.018371][ T7704] netdev_get_by_index+0x5e/0x80 [ 3583.018371][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3583.018371][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3583.018371][ T7704] ip6_route_add+0x1c/0x140 [ 3583.018371][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3583.018371][ T7704] addrconf_add_dev+0xe2/0x170 [ 3583.018371][ T7704] inet6_addr_add+0x12f/0xa40 [ 3583.018371][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.018371][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.018371][ T7704] netlink_rcv_skb+0x130/0x360 [ 3583.018371][ T7704] netlink_unicast+0x449/0x710 [ 3583.018371][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3583.018371][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3583.018371][ T7704] ___sys_sendmsg+0xee/0x170 [ 3583.018371][ T7704] __sys_sendmsg+0xcd/0x170 [ 3583.018371][ T7704] do_syscall_64+0xc6/0x1e0 [ 3583.018371][ T7704] [ 3583.020807][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3583.020807][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3583.020807][ T7704] ipv6_find_idev+0x102/0x170 [ 3583.020807][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.020807][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.020807][ T7704] netlink_rcv_skb+0x130/0x360 [ 3583.020807][ T7704] netlink_unicast+0x449/0x710 [ 3583.020807][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3583.020807][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3583.020807][ T7704] ___sys_sendmsg+0xee/0x170 [ 3583.020807][ T7704] __sys_sendmsg+0xcd/0x170 [ 3583.020807][ T7704] do_syscall_64+0xc6/0x1e0 [ 3583.020807][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.020807][ T7704] [ 3583.022709][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3583.022709][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3583.022709][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3583.022709][ T7704] ipv6_find_idev+0x102/0x170 [ 3583.022709][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.022709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.022709][ T7704] netlink_rcv_skb+0x130/0x360 [ 3583.022709][ T7704] netlink_unicast+0x449/0x710 [ 3583.022709][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3583.022709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3583.022709][ T7704] ___sys_sendmsg+0xee/0x170 [ 3583.022709][ T7704] __sys_sendmsg+0xcd/0x170 [ 3583.022709][ T7704] do_syscall_64+0xc6/0x1e0 [ 3583.022709][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.022709][ T7704] [ 3593.260829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3593.261262][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3593.261262][ T7704] netdev_get_by_index+0x5e/0x80 [ 3593.261262][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3593.261262][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3593.261262][ T7704] ip6_route_add+0x1c/0x140 [ 3593.261262][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3593.261262][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3593.261262][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3593.261262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3593.261262][ T7704] netlink_rcv_skb+0x130/0x360 [ 3593.261262][ T7704] netlink_unicast+0x449/0x710 [ 3593.261262][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3593.261262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3593.261262][ T7704] ___sys_sendmsg+0xee/0x170 [ 3593.261262][ T7704] __sys_sendmsg+0xcd/0x170 [ 3593.261262][ T7704] do_syscall_64+0xc6/0x1e0 [ 3593.261262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3593.261262][ T7704] [ 3593.263514][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3593.263514][ T7704] netdev_get_by_index+0x5e/0x80 [ 3593.263514][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3593.263514][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3593.263514][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3593.263514][ T7704] ipv6_add_addr+0x411/0x2000 [ 3593.263514][ T7704] inet6_addr_add+0x30e/0xa40 [ 3593.263514][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3593.263514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3593.263514][ T7704] netlink_rcv_skb+0x130/0x360 [ 3593.263514][ T7704] netlink_unicast+0x449/0x710 [ 3593.263514][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3593.263514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3593.263514][ T7704] ___sys_sendmsg+0xee/0x170 [ 3593.263514][ T7704] __sys_sendmsg+0xcd/0x170 [ 3593.263514][ T7704] do_syscall_64+0xc6/0x1e0 [ 3593.263514][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3593.263514][ T7704] [ 3593.265715][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3593.265715][ T7704] netdev_get_by_index+0x5e/0x80 [ 3593.265715][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3593.265715][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3593.265715][ T7704] ip6_route_add+0x1c/0x140 [ 3593.265715][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3593.265715][ T7704] addrconf_add_dev+0xe2/0x170 [ 3593.265715][ T7704] inet6_addr_add+0x12f/0xa40 [ 3593.265715][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3593.265715][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3593.265715][ T7704] netlink_rcv_skb+0x130/0x360 [ 3593.265715][ T7704] netlink_unicast+0x449/0x710 [ 3593.265715][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3593.265715][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3593.265715][ T7704] ___sys_sendmsg+0xee/0x170 [ 3593.265715][ T7704] __sys_sendmsg+0xcd/0x170 [ 3593.265715][ T7704] do_syscall_64+0xc6/0x1e0 [ 3593.265715][ T7704] [ 3593.267887][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3593.267887][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3593.267887][ T7704] ipv6_find_idev+0x102/0x170 [ 3593.267887][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3593.267887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3593.267887][ T7704] netlink_rcv_skb+0x130/0x360 [ 3593.267887][ T7704] netlink_unicast+0x449/0x710 [ 3593.267887][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3593.267887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3593.267887][ T7704] ___sys_sendmsg+0xee/0x170 [ 3593.267887][ T7704] __sys_sendmsg+0xcd/0x170 [ 3593.267887][ T7704] do_syscall_64+0xc6/0x1e0 [ 3593.267887][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3593.267887][ T7704] [ 3593.270098][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3593.270098][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3593.270098][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3593.270098][ T7704] ipv6_find_idev+0x102/0x170 [ 3593.270098][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3593.270098][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3593.270098][ T7704] netlink_rcv_skb+0x130/0x360 [ 3593.270098][ T7704] netlink_unicast+0x449/0x710 [ 3593.270098][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3593.270098][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3593.270098][ T7704] ___sys_sendmsg+0xee/0x170 [ 3593.270098][ T7704] __sys_sendmsg+0xcd/0x170 [ 3593.270098][ T7704] do_syscall_64+0xc6/0x1e0 [ 3593.270098][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3593.270098][ T7704] [ 3603.508779][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3603.509404][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3603.509404][ T7704] netdev_get_by_index+0x5e/0x80 [ 3603.509404][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3603.509404][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3603.509404][ T7704] ip6_route_add+0x1c/0x140 [ 3603.509404][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3603.509404][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3603.509404][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3603.509404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3603.509404][ T7704] netlink_rcv_skb+0x130/0x360 [ 3603.509404][ T7704] netlink_unicast+0x449/0x710 [ 3603.509404][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3603.509404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3603.509404][ T7704] ___sys_sendmsg+0xee/0x170 [ 3603.509404][ T7704] __sys_sendmsg+0xcd/0x170 [ 3603.509404][ T7704] do_syscall_64+0xc6/0x1e0 [ 3603.509404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3603.509404][ T7704] [ 3603.513195][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3603.513195][ T7704] netdev_get_by_index+0x5e/0x80 [ 3603.513195][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3603.513195][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3603.513195][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3603.513195][ T7704] ipv6_add_addr+0x411/0x2000 [ 3603.513195][ T7704] inet6_addr_add+0x30e/0xa40 [ 3603.513195][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3603.513195][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3603.513195][ T7704] netlink_rcv_skb+0x130/0x360 [ 3603.513195][ T7704] netlink_unicast+0x449/0x710 [ 3603.513195][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3603.513195][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3603.513195][ T7704] ___sys_sendmsg+0xee/0x170 [ 3603.513195][ T7704] __sys_sendmsg+0xcd/0x170 [ 3603.513195][ T7704] do_syscall_64+0xc6/0x1e0 [ 3603.513195][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3603.513195][ T7704] [ 3603.516879][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3603.516879][ T7704] netdev_get_by_index+0x5e/0x80 [ 3603.516879][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3603.516879][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3603.516879][ T7704] ip6_route_add+0x1c/0x140 [ 3603.516879][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3603.516879][ T7704] addrconf_add_dev+0xe2/0x170 [ 3603.516879][ T7704] inet6_addr_add+0x12f/0xa40 [ 3603.516879][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3603.516879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3603.516879][ T7704] netlink_rcv_skb+0x130/0x360 [ 3603.516879][ T7704] netlink_unicast+0x449/0x710 [ 3603.516879][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3603.516879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3603.516879][ T7704] ___sys_sendmsg+0xee/0x170 [ 3603.516879][ T7704] __sys_sendmsg+0xcd/0x170 [ 3603.516879][ T7704] do_syscall_64+0xc6/0x1e0 [ 3603.516879][ T7704] [ 3603.520517][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3603.520517][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3603.520517][ T7704] ipv6_find_idev+0x102/0x170 [ 3603.520517][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3603.520517][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3603.520517][ T7704] netlink_rcv_skb+0x130/0x360 [ 3603.520517][ T7704] netlink_unicast+0x449/0x710 [ 3603.520517][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3603.520517][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3603.520517][ T7704] ___sys_sendmsg+0xee/0x170 [ 3603.520517][ T7704] __sys_sendmsg+0xcd/0x170 [ 3603.520517][ T7704] do_syscall_64+0xc6/0x1e0 [ 3603.520517][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3603.520517][ T7704] [ 3603.523383][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3603.523383][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3603.523383][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3603.523383][ T7704] ipv6_find_idev+0x102/0x170 [ 3603.523383][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3603.523383][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3603.523383][ T7704] netlink_rcv_skb+0x130/0x360 [ 3603.523383][ T7704] netlink_unicast+0x449/0x710 [ 3603.523383][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3603.523383][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3603.523383][ T7704] ___sys_sendmsg+0xee/0x170 [ 3603.523383][ T7704] __sys_sendmsg+0xcd/0x170 [ 3603.523383][ T7704] do_syscall_64+0xc6/0x1e0 [ 3603.523383][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3603.523383][ T7704] [ 3613.764806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3613.765461][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3613.765461][ T7704] netdev_get_by_index+0x5e/0x80 [ 3613.765461][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3613.765461][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3613.765461][ T7704] ip6_route_add+0x1c/0x140 [ 3613.765461][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3613.765461][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3613.765461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3613.765461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3613.765461][ T7704] netlink_rcv_skb+0x130/0x360 [ 3613.765461][ T7704] netlink_unicast+0x449/0x710 [ 3613.765461][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3613.765461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3613.765461][ T7704] ___sys_sendmsg+0xee/0x170 [ 3613.765461][ T7704] __sys_sendmsg+0xcd/0x170 [ 3613.765461][ T7704] do_syscall_64+0xc6/0x1e0 [ 3613.765461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3613.765461][ T7704] [ 3613.769307][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3613.769307][ T7704] netdev_get_by_index+0x5e/0x80 [ 3613.769307][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3613.769307][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3613.769307][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3613.769307][ T7704] ipv6_add_addr+0x411/0x2000 [ 3613.769307][ T7704] inet6_addr_add+0x30e/0xa40 [ 3613.769307][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3613.769307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3613.769307][ T7704] netlink_rcv_skb+0x130/0x360 [ 3613.769307][ T7704] netlink_unicast+0x449/0x710 [ 3613.769307][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3613.769307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3613.769307][ T7704] ___sys_sendmsg+0xee/0x170 [ 3613.769307][ T7704] __sys_sendmsg+0xcd/0x170 [ 3613.769307][ T7704] do_syscall_64+0xc6/0x1e0 [ 3613.769307][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3613.769307][ T7704] [ 3613.773108][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3613.773108][ T7704] netdev_get_by_index+0x5e/0x80 [ 3613.773108][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3613.773108][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3613.773108][ T7704] ip6_route_add+0x1c/0x140 [ 3613.773108][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3613.773108][ T7704] addrconf_add_dev+0xe2/0x170 [ 3613.773108][ T7704] inet6_addr_add+0x12f/0xa40 [ 3613.773108][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3613.773108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3613.773108][ T7704] netlink_rcv_skb+0x130/0x360 [ 3613.773108][ T7704] netlink_unicast+0x449/0x710 [ 3613.773108][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3613.773108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3613.773108][ T7704] ___sys_sendmsg+0xee/0x170 [ 3613.773108][ T7704] __sys_sendmsg+0xcd/0x170 [ 3613.773108][ T7704] do_syscall_64+0xc6/0x1e0 [ 3613.773108][ T7704] [ 3613.776670][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3613.776670][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3613.776670][ T7704] ipv6_find_idev+0x102/0x170 [ 3613.776670][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3613.776670][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3613.776670][ T7704] netlink_rcv_skb+0x130/0x360 [ 3613.776670][ T7704] netlink_unicast+0x449/0x710 [ 3613.776670][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3613.776670][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3613.776670][ T7704] ___sys_sendmsg+0xee/0x170 [ 3613.776670][ T7704] __sys_sendmsg+0xcd/0x170 [ 3613.776670][ T7704] do_syscall_64+0xc6/0x1e0 [ 3613.776670][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3613.776670][ T7704] [ 3613.779566][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3613.779566][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3613.779566][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3613.779566][ T7704] ipv6_find_idev+0x102/0x170 [ 3613.779566][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3613.779566][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3613.779566][ T7704] netlink_rcv_skb+0x130/0x360 [ 3613.779566][ T7704] netlink_unicast+0x449/0x710 [ 3613.779566][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3613.779566][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3613.779566][ T7704] ___sys_sendmsg+0xee/0x170 [ 3613.779566][ T7704] __sys_sendmsg+0xcd/0x170 [ 3613.779566][ T7704] do_syscall_64+0xc6/0x1e0 [ 3613.779566][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3613.779566][ T7704] [ 3623.836968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3623.837544][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3623.837544][ T7704] netdev_get_by_index+0x5e/0x80 [ 3623.837544][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3623.837544][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3623.837544][ T7704] ip6_route_add+0x1c/0x140 [ 3623.837544][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3623.837544][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3623.837544][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3623.837544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3623.837544][ T7704] netlink_rcv_skb+0x130/0x360 [ 3623.837544][ T7704] netlink_unicast+0x449/0x710 [ 3623.837544][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3623.837544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3623.837544][ T7704] ___sys_sendmsg+0xee/0x170 [ 3623.837544][ T7704] __sys_sendmsg+0xcd/0x170 [ 3623.837544][ T7704] do_syscall_64+0xc6/0x1e0 [ 3623.837544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3623.837544][ T7704] [ 3623.840068][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3623.840068][ T7704] netdev_get_by_index+0x5e/0x80 [ 3623.840068][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3623.840068][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3623.840068][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3623.840068][ T7704] ipv6_add_addr+0x411/0x2000 [ 3623.840068][ T7704] inet6_addr_add+0x30e/0xa40 [ 3623.840068][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3623.840068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3623.840068][ T7704] netlink_rcv_skb+0x130/0x360 [ 3623.840068][ T7704] netlink_unicast+0x449/0x710 [ 3623.840068][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3623.840068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3623.840068][ T7704] ___sys_sendmsg+0xee/0x170 [ 3623.840068][ T7704] __sys_sendmsg+0xcd/0x170 [ 3623.840068][ T7704] do_syscall_64+0xc6/0x1e0 [ 3623.840068][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3623.840068][ T7704] [ 3623.842548][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3623.842548][ T7704] netdev_get_by_index+0x5e/0x80 [ 3623.842548][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3623.842548][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3623.842548][ T7704] ip6_route_add+0x1c/0x140 [ 3623.842548][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3623.842548][ T7704] addrconf_add_dev+0xe2/0x170 [ 3623.842548][ T7704] inet6_addr_add+0x12f/0xa40 [ 3623.842548][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3623.842548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3623.842548][ T7704] netlink_rcv_skb+0x130/0x360 [ 3623.842548][ T7704] netlink_unicast+0x449/0x710 [ 3623.842548][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3623.842548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3623.842548][ T7704] ___sys_sendmsg+0xee/0x170 [ 3623.842548][ T7704] __sys_sendmsg+0xcd/0x170 [ 3623.842548][ T7704] do_syscall_64+0xc6/0x1e0 [ 3623.842548][ T7704] [ 3623.845507][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3623.845507][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3623.845507][ T7704] ipv6_find_idev+0x102/0x170 [ 3623.845507][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3623.845507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3623.845507][ T7704] netlink_rcv_skb+0x130/0x360 [ 3623.845507][ T7704] netlink_unicast+0x449/0x710 [ 3623.845507][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3623.845507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3623.845507][ T7704] ___sys_sendmsg+0xee/0x170 [ 3623.845507][ T7704] __sys_sendmsg+0xcd/0x170 [ 3623.845507][ T7704] do_syscall_64+0xc6/0x1e0 [ 3623.845507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3623.845507][ T7704] [ 3623.848290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3623.848290][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3623.848290][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3623.848290][ T7704] ipv6_find_idev+0x102/0x170 [ 3623.848290][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3623.848290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3623.848290][ T7704] netlink_rcv_skb+0x130/0x360 [ 3623.848290][ T7704] netlink_unicast+0x449/0x710 [ 3623.848290][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3623.848290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3623.848290][ T7704] ___sys_sendmsg+0xee/0x170 [ 3623.848290][ T7704] __sys_sendmsg+0xcd/0x170 [ 3623.848290][ T7704] do_syscall_64+0xc6/0x1e0 [ 3623.848290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3623.848290][ T7704] [ 3634.100851][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3634.101398][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3634.101398][ T7704] netdev_get_by_index+0x5e/0x80 [ 3634.101398][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3634.101398][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3634.101398][ T7704] ip6_route_add+0x1c/0x140 [ 3634.101398][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3634.101398][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3634.101398][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3634.101398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3634.101398][ T7704] netlink_rcv_skb+0x130/0x360 [ 3634.101398][ T7704] netlink_unicast+0x449/0x710 [ 3634.101398][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3634.101398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3634.101398][ T7704] ___sys_sendmsg+0xee/0x170 [ 3634.101398][ T7704] __sys_sendmsg+0xcd/0x170 [ 3634.101398][ T7704] do_syscall_64+0xc6/0x1e0 [ 3634.101398][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3634.101398][ T7704] [ 3634.103895][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3634.103895][ T7704] netdev_get_by_index+0x5e/0x80 [ 3634.103895][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3634.103895][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3634.103895][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3634.103895][ T7704] ipv6_add_addr+0x411/0x2000 [ 3634.103895][ T7704] inet6_addr_add+0x30e/0xa40 [ 3634.103895][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3634.103895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3634.103895][ T7704] netlink_rcv_skb+0x130/0x360 [ 3634.103895][ T7704] netlink_unicast+0x449/0x710 [ 3634.103895][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3634.103895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3634.103895][ T7704] ___sys_sendmsg+0xee/0x170 [ 3634.103895][ T7704] __sys_sendmsg+0xcd/0x170 [ 3634.103895][ T7704] do_syscall_64+0xc6/0x1e0 [ 3634.103895][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3634.103895][ T7704] [ 3634.106369][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3634.106369][ T7704] netdev_get_by_index+0x5e/0x80 [ 3634.106369][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3634.106369][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3634.106369][ T7704] ip6_route_add+0x1c/0x140 [ 3634.106369][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3634.106369][ T7704] addrconf_add_dev+0xe2/0x170 [ 3634.106369][ T7704] inet6_addr_add+0x12f/0xa40 [ 3634.106369][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3634.106369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3634.106369][ T7704] netlink_rcv_skb+0x130/0x360 [ 3634.106369][ T7704] netlink_unicast+0x449/0x710 [ 3634.106369][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3634.106369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3634.106369][ T7704] ___sys_sendmsg+0xee/0x170 [ 3634.106369][ T7704] __sys_sendmsg+0xcd/0x170 [ 3634.106369][ T7704] do_syscall_64+0xc6/0x1e0 [ 3634.106369][ T7704] [ 3634.108792][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3634.108792][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3634.108792][ T7704] ipv6_find_idev+0x102/0x170 [ 3634.108792][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3634.108792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3634.108792][ T7704] netlink_rcv_skb+0x130/0x360 [ 3634.108792][ T7704] netlink_unicast+0x449/0x710 [ 3634.108792][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3634.108792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3634.108792][ T7704] ___sys_sendmsg+0xee/0x170 [ 3634.108792][ T7704] __sys_sendmsg+0xcd/0x170 [ 3634.108792][ T7704] do_syscall_64+0xc6/0x1e0 [ 3634.108792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3634.108792][ T7704] [ 3634.110698][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3634.110698][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3634.110698][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3634.110698][ T7704] ipv6_find_idev+0x102/0x170 [ 3634.110698][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3634.110698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3634.110698][ T7704] netlink_rcv_skb+0x130/0x360 [ 3634.110698][ T7704] netlink_unicast+0x449/0x710 [ 3634.110698][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3634.110698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3634.110698][ T7704] ___sys_sendmsg+0xee/0x170 [ 3634.110698][ T7704] __sys_sendmsg+0xcd/0x170 [ 3634.110698][ T7704] do_syscall_64+0xc6/0x1e0 [ 3634.110698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3634.110698][ T7704] [ 3644.132782][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3644.133911][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3644.133911][ T7704] netdev_get_by_index+0x5e/0x80 [ 3644.133911][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3644.133911][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3644.133911][ T7704] ip6_route_add+0x1c/0x140 [ 3644.133911][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3644.133911][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3644.133911][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3644.133911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3644.133911][ T7704] netlink_rcv_skb+0x130/0x360 [ 3644.133911][ T7704] netlink_unicast+0x449/0x710 [ 3644.133911][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3644.133911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3644.133911][ T7704] ___sys_sendmsg+0xee/0x170 [ 3644.133911][ T7704] __sys_sendmsg+0xcd/0x170 [ 3644.133911][ T7704] do_syscall_64+0xc6/0x1e0 [ 3644.133911][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3644.133911][ T7704] [ 3644.136291][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3644.136291][ T7704] netdev_get_by_index+0x5e/0x80 [ 3644.136291][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3644.136291][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3644.136291][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3644.136291][ T7704] ipv6_add_addr+0x411/0x2000 [ 3644.136291][ T7704] inet6_addr_add+0x30e/0xa40 [ 3644.136291][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3644.136291][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3644.136291][ T7704] netlink_rcv_skb+0x130/0x360 [ 3644.136291][ T7704] netlink_unicast+0x449/0x710 [ 3644.136291][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3644.136291][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3644.136291][ T7704] ___sys_sendmsg+0xee/0x170 [ 3644.136291][ T7704] __sys_sendmsg+0xcd/0x170 [ 3644.136291][ T7704] do_syscall_64+0xc6/0x1e0 [ 3644.136291][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3644.136291][ T7704] [ 3644.138639][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3644.138639][ T7704] netdev_get_by_index+0x5e/0x80 [ 3644.138639][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3644.138639][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3644.138639][ T7704] ip6_route_add+0x1c/0x140 [ 3644.138639][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3644.138639][ T7704] addrconf_add_dev+0xe2/0x170 [ 3644.138639][ T7704] inet6_addr_add+0x12f/0xa40 [ 3644.138639][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3644.138639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3644.138639][ T7704] netlink_rcv_skb+0x130/0x360 [ 3644.138639][ T7704] netlink_unicast+0x449/0x710 [ 3644.138639][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3644.138639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3644.138639][ T7704] ___sys_sendmsg+0xee/0x170 [ 3644.138639][ T7704] __sys_sendmsg+0xcd/0x170 [ 3644.138639][ T7704] do_syscall_64+0xc6/0x1e0 [ 3644.138639][ T7704] [ 3644.140940][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3644.140940][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3644.140940][ T7704] ipv6_find_idev+0x102/0x170 [ 3644.140940][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3644.140940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3644.140940][ T7704] netlink_rcv_skb+0x130/0x360 [ 3644.140940][ T7704] netlink_unicast+0x449/0x710 [ 3644.140940][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3644.140940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3644.140940][ T7704] ___sys_sendmsg+0xee/0x170 [ 3644.140940][ T7704] __sys_sendmsg+0xcd/0x170 [ 3644.140940][ T7704] do_syscall_64+0xc6/0x1e0 [ 3644.140940][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3644.140940][ T7704] [ 3644.142744][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3644.142744][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3644.142744][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3644.142744][ T7704] ipv6_find_idev+0x102/0x170 [ 3644.142744][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3644.142744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3644.142744][ T7704] netlink_rcv_skb+0x130/0x360 [ 3644.142744][ T7704] netlink_unicast+0x449/0x710 [ 3644.142744][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3644.142744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3644.142744][ T7704] ___sys_sendmsg+0xee/0x170 [ 3644.142744][ T7704] __sys_sendmsg+0xcd/0x170 [ 3644.142744][ T7704] do_syscall_64+0xc6/0x1e0 [ 3644.142744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3644.142744][ T7704] [ 3654.380825][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3654.381321][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3654.381321][ T7704] netdev_get_by_index+0x5e/0x80 [ 3654.381321][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3654.381321][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3654.381321][ T7704] ip6_route_add+0x1c/0x140 [ 3654.381321][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3654.381321][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3654.381321][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3654.381321][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3654.381321][ T7704] netlink_rcv_skb+0x130/0x360 [ 3654.381321][ T7704] netlink_unicast+0x449/0x710 [ 3654.381321][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3654.381321][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3654.381321][ T7704] ___sys_sendmsg+0xee/0x170 [ 3654.381321][ T7704] __sys_sendmsg+0xcd/0x170 [ 3654.381321][ T7704] do_syscall_64+0xc6/0x1e0 [ 3654.381321][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3654.381321][ T7704] [ 3654.383890][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3654.383890][ T7704] netdev_get_by_index+0x5e/0x80 [ 3654.383890][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3654.383890][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3654.383890][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3654.383890][ T7704] ipv6_add_addr+0x411/0x2000 [ 3654.383890][ T7704] inet6_addr_add+0x30e/0xa40 [ 3654.383890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3654.383890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3654.383890][ T7704] netlink_rcv_skb+0x130/0x360 [ 3654.383890][ T7704] netlink_unicast+0x449/0x710 [ 3654.383890][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3654.383890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3654.383890][ T7704] ___sys_sendmsg+0xee/0x170 [ 3654.383890][ T7704] __sys_sendmsg+0xcd/0x170 [ 3654.383890][ T7704] do_syscall_64+0xc6/0x1e0 [ 3654.383890][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3654.383890][ T7704] [ 3654.386394][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3654.386394][ T7704] netdev_get_by_index+0x5e/0x80 [ 3654.386394][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3654.386394][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3654.386394][ T7704] ip6_route_add+0x1c/0x140 [ 3654.386394][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3654.386394][ T7704] addrconf_add_dev+0xe2/0x170 [ 3654.386394][ T7704] inet6_addr_add+0x12f/0xa40 [ 3654.386394][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3654.386394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3654.386394][ T7704] netlink_rcv_skb+0x130/0x360 [ 3654.386394][ T7704] netlink_unicast+0x449/0x710 [ 3654.386394][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3654.386394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3654.386394][ T7704] ___sys_sendmsg+0xee/0x170 [ 3654.386394][ T7704] __sys_sendmsg+0xcd/0x170 [ 3654.386394][ T7704] do_syscall_64+0xc6/0x1e0 [ 3654.386394][ T7704] [ 3654.388871][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3654.388871][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3654.388871][ T7704] ipv6_find_idev+0x102/0x170 [ 3654.388871][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3654.388871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3654.388871][ T7704] netlink_rcv_skb+0x130/0x360 [ 3654.388871][ T7704] netlink_unicast+0x449/0x710 [ 3654.388871][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3654.388871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3654.388871][ T7704] ___sys_sendmsg+0xee/0x170 [ 3654.388871][ T7704] __sys_sendmsg+0xcd/0x170 [ 3654.388871][ T7704] do_syscall_64+0xc6/0x1e0 [ 3654.388871][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3654.388871][ T7704] [ 3654.390811][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3654.390811][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3654.390811][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3654.390811][ T7704] ipv6_find_idev+0x102/0x170 [ 3654.390811][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3654.390811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3654.390811][ T7704] netlink_rcv_skb+0x130/0x360 [ 3654.390811][ T7704] netlink_unicast+0x449/0x710 [ 3654.390811][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3654.390811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3654.390811][ T7704] ___sys_sendmsg+0xee/0x170 [ 3654.390811][ T7704] __sys_sendmsg+0xcd/0x170 [ 3654.390811][ T7704] do_syscall_64+0xc6/0x1e0 [ 3654.390811][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3654.390811][ T7704] [ 3664.628745][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3664.629229][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3664.629229][ T7704] netdev_get_by_index+0x5e/0x80 [ 3664.629229][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3664.629229][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3664.629229][ T7704] ip6_route_add+0x1c/0x140 [ 3664.629229][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3664.629229][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3664.629229][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3664.629229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3664.629229][ T7704] netlink_rcv_skb+0x130/0x360 [ 3664.629229][ T7704] netlink_unicast+0x449/0x710 [ 3664.629229][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3664.629229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3664.629229][ T7704] ___sys_sendmsg+0xee/0x170 [ 3664.629229][ T7704] __sys_sendmsg+0xcd/0x170 [ 3664.629229][ T7704] do_syscall_64+0xc6/0x1e0 [ 3664.629229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3664.629229][ T7704] [ 3664.631828][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3664.631828][ T7704] netdev_get_by_index+0x5e/0x80 [ 3664.631828][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3664.631828][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3664.631828][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3664.631828][ T7704] ipv6_add_addr+0x411/0x2000 [ 3664.631828][ T7704] inet6_addr_add+0x30e/0xa40 [ 3664.631828][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3664.631828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3664.631828][ T7704] netlink_rcv_skb+0x130/0x360 [ 3664.631828][ T7704] netlink_unicast+0x449/0x710 [ 3664.631828][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3664.631828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3664.631828][ T7704] ___sys_sendmsg+0xee/0x170 [ 3664.631828][ T7704] __sys_sendmsg+0xcd/0x170 [ 3664.631828][ T7704] do_syscall_64+0xc6/0x1e0 [ 3664.631828][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3664.631828][ T7704] [ 3664.634389][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3664.634389][ T7704] netdev_get_by_index+0x5e/0x80 [ 3664.634389][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3664.634389][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3664.634389][ T7704] ip6_route_add+0x1c/0x140 [ 3664.634389][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3664.634389][ T7704] addrconf_add_dev+0xe2/0x170 [ 3664.634389][ T7704] inet6_addr_add+0x12f/0xa40 [ 3664.634389][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3664.634389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3664.634389][ T7704] netlink_rcv_skb+0x130/0x360 [ 3664.634389][ T7704] netlink_unicast+0x449/0x710 [ 3664.634389][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3664.634389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3664.634389][ T7704] ___sys_sendmsg+0xee/0x170 [ 3664.634389][ T7704] __sys_sendmsg+0xcd/0x170 [ 3664.634389][ T7704] do_syscall_64+0xc6/0x1e0 [ 3664.634389][ T7704] [ 3664.636893][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3664.636893][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3664.636893][ T7704] ipv6_find_idev+0x102/0x170 [ 3664.636893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3664.636893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3664.636893][ T7704] netlink_rcv_skb+0x130/0x360 [ 3664.636893][ T7704] netlink_unicast+0x449/0x710 [ 3664.636893][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3664.636893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3664.636893][ T7704] ___sys_sendmsg+0xee/0x170 [ 3664.636893][ T7704] __sys_sendmsg+0xcd/0x170 [ 3664.636893][ T7704] do_syscall_64+0xc6/0x1e0 [ 3664.636893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3664.636893][ T7704] [ 3664.638837][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3664.638837][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3664.638837][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3664.638837][ T7704] ipv6_find_idev+0x102/0x170 [ 3664.638837][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3664.638837][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3664.638837][ T7704] netlink_rcv_skb+0x130/0x360 [ 3664.638837][ T7704] netlink_unicast+0x449/0x710 [ 3664.638837][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3664.638837][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3664.638837][ T7704] ___sys_sendmsg+0xee/0x170 [ 3664.638837][ T7704] __sys_sendmsg+0xcd/0x170 [ 3664.638837][ T7704] do_syscall_64+0xc6/0x1e0 [ 3664.638837][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3664.638837][ T7704] [ 3674.732839][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3674.733334][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3674.733334][ T7704] netdev_get_by_index+0x5e/0x80 [ 3674.733334][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3674.733334][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3674.733334][ T7704] ip6_route_add+0x1c/0x140 [ 3674.733334][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3674.733334][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3674.733334][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3674.733334][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3674.733334][ T7704] netlink_rcv_skb+0x130/0x360 [ 3674.733334][ T7704] netlink_unicast+0x449/0x710 [ 3674.733334][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3674.733334][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3674.733334][ T7704] ___sys_sendmsg+0xee/0x170 [ 3674.733334][ T7704] __sys_sendmsg+0xcd/0x170 [ 3674.733334][ T7704] do_syscall_64+0xc6/0x1e0 [ 3674.733334][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3674.733334][ T7704] [ 3674.735807][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3674.735807][ T7704] netdev_get_by_index+0x5e/0x80 [ 3674.735807][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3674.735807][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3674.735807][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3674.735807][ T7704] ipv6_add_addr+0x411/0x2000 [ 3674.735807][ T7704] inet6_addr_add+0x30e/0xa40 [ 3674.735807][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3674.735807][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3674.735807][ T7704] netlink_rcv_skb+0x130/0x360 [ 3674.735807][ T7704] netlink_unicast+0x449/0x710 [ 3674.735807][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3674.735807][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3674.735807][ T7704] ___sys_sendmsg+0xee/0x170 [ 3674.735807][ T7704] __sys_sendmsg+0xcd/0x170 [ 3674.735807][ T7704] do_syscall_64+0xc6/0x1e0 [ 3674.735807][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3674.735807][ T7704] [ 3674.738064][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3674.738064][ T7704] netdev_get_by_index+0x5e/0x80 [ 3674.738064][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3674.738064][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3674.738064][ T7704] ip6_route_add+0x1c/0x140 [ 3674.738064][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3674.738064][ T7704] addrconf_add_dev+0xe2/0x170 [ 3674.738064][ T7704] inet6_addr_add+0x12f/0xa40 [ 3674.738064][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3674.738064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3674.738064][ T7704] netlink_rcv_skb+0x130/0x360 [ 3674.738064][ T7704] netlink_unicast+0x449/0x710 [ 3674.738064][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3674.738064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3674.738064][ T7704] ___sys_sendmsg+0xee/0x170 [ 3674.738064][ T7704] __sys_sendmsg+0xcd/0x170 [ 3674.738064][ T7704] do_syscall_64+0xc6/0x1e0 [ 3674.738064][ T7704] [ 3674.740248][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3674.740248][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3674.740248][ T7704] ipv6_find_idev+0x102/0x170 [ 3674.740248][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3674.740248][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3674.740248][ T7704] netlink_rcv_skb+0x130/0x360 [ 3674.740248][ T7704] netlink_unicast+0x449/0x710 [ 3674.740248][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3674.740248][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3674.740248][ T7704] ___sys_sendmsg+0xee/0x170 [ 3674.740248][ T7704] __sys_sendmsg+0xcd/0x170 [ 3674.740248][ T7704] do_syscall_64+0xc6/0x1e0 [ 3674.740248][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3674.740248][ T7704] [ 3674.741978][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3674.741978][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3674.741978][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3674.741978][ T7704] ipv6_find_idev+0x102/0x170 [ 3674.741978][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3674.741978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3674.741978][ T7704] netlink_rcv_skb+0x130/0x360 [ 3674.741978][ T7704] netlink_unicast+0x449/0x710 [ 3674.741978][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3674.741978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3674.741978][ T7704] ___sys_sendmsg+0xee/0x170 [ 3674.741978][ T7704] __sys_sendmsg+0xcd/0x170 [ 3674.741978][ T7704] do_syscall_64+0xc6/0x1e0 [ 3674.741978][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3674.741978][ T7704] [ 3684.980835][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3684.981368][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3684.981368][ T7704] netdev_get_by_index+0x5e/0x80 [ 3684.981368][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3684.981368][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3684.981368][ T7704] ip6_route_add+0x1c/0x140 [ 3684.981368][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3684.981368][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3684.981368][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3684.981368][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3684.981368][ T7704] netlink_rcv_skb+0x130/0x360 [ 3684.981368][ T7704] netlink_unicast+0x449/0x710 [ 3684.981368][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3684.981368][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3684.981368][ T7704] ___sys_sendmsg+0xee/0x170 [ 3684.981368][ T7704] __sys_sendmsg+0xcd/0x170 [ 3684.981368][ T7704] do_syscall_64+0xc6/0x1e0 [ 3684.981368][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3684.981368][ T7704] [ 3684.983866][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3684.983866][ T7704] netdev_get_by_index+0x5e/0x80 [ 3684.983866][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3684.983866][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3684.983866][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3684.983866][ T7704] ipv6_add_addr+0x411/0x2000 [ 3684.983866][ T7704] inet6_addr_add+0x30e/0xa40 [ 3684.983866][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3684.983866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3684.983866][ T7704] netlink_rcv_skb+0x130/0x360 [ 3684.983866][ T7704] netlink_unicast+0x449/0x710 [ 3684.983866][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3684.983866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3684.983866][ T7704] ___sys_sendmsg+0xee/0x170 [ 3684.983866][ T7704] __sys_sendmsg+0xcd/0x170 [ 3684.983866][ T7704] do_syscall_64+0xc6/0x1e0 [ 3684.983866][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3684.983866][ T7704] [ 3684.986286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3684.986286][ T7704] netdev_get_by_index+0x5e/0x80 [ 3684.986286][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3684.986286][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3684.986286][ T7704] ip6_route_add+0x1c/0x140 [ 3684.986286][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3684.986286][ T7704] addrconf_add_dev+0xe2/0x170 [ 3684.986286][ T7704] inet6_addr_add+0x12f/0xa40 [ 3684.986286][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3684.986286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3684.986286][ T7704] netlink_rcv_skb+0x130/0x360 [ 3684.986286][ T7704] netlink_unicast+0x449/0x710 [ 3684.986286][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3684.986286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3684.986286][ T7704] ___sys_sendmsg+0xee/0x170 [ 3684.986286][ T7704] __sys_sendmsg+0xcd/0x170 [ 3684.986286][ T7704] do_syscall_64+0xc6/0x1e0 [ 3684.986286][ T7704] [ 3684.988695][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3684.988695][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3684.988695][ T7704] ipv6_find_idev+0x102/0x170 [ 3684.988695][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3684.988695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3684.988695][ T7704] netlink_rcv_skb+0x130/0x360 [ 3684.988695][ T7704] netlink_unicast+0x449/0x710 [ 3684.988695][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3684.988695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3684.988695][ T7704] ___sys_sendmsg+0xee/0x170 [ 3684.988695][ T7704] __sys_sendmsg+0xcd/0x170 [ 3684.988695][ T7704] do_syscall_64+0xc6/0x1e0 [ 3684.988695][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3684.988695][ T7704] [ 3684.990590][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3684.990590][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3684.990590][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3684.990590][ T7704] ipv6_find_idev+0x102/0x170 [ 3684.990590][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3684.990590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3684.990590][ T7704] netlink_rcv_skb+0x130/0x360 [ 3684.990590][ T7704] netlink_unicast+0x449/0x710 [ 3684.990590][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3684.990590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3684.990590][ T7704] ___sys_sendmsg+0xee/0x170 [ 3684.990590][ T7704] __sys_sendmsg+0xcd/0x170 [ 3684.990590][ T7704] do_syscall_64+0xc6/0x1e0 [ 3684.990590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3684.990590][ T7704] [ 3695.164872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3695.165420][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3695.165420][ T7704] netdev_get_by_index+0x5e/0x80 [ 3695.165420][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3695.165420][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3695.165420][ T7704] ip6_route_add+0x1c/0x140 [ 3695.165420][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3695.165420][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3695.165420][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3695.165420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3695.165420][ T7704] netlink_rcv_skb+0x130/0x360 [ 3695.165420][ T7704] netlink_unicast+0x449/0x710 [ 3695.165420][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3695.165420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3695.165420][ T7704] ___sys_sendmsg+0xee/0x170 [ 3695.165420][ T7704] __sys_sendmsg+0xcd/0x170 [ 3695.165420][ T7704] do_syscall_64+0xc6/0x1e0 [ 3695.165420][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3695.165420][ T7704] [ 3695.167883][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3695.167883][ T7704] netdev_get_by_index+0x5e/0x80 [ 3695.167883][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3695.167883][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3695.167883][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3695.167883][ T7704] ipv6_add_addr+0x411/0x2000 [ 3695.167883][ T7704] inet6_addr_add+0x30e/0xa40 [ 3695.167883][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3695.167883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3695.167883][ T7704] netlink_rcv_skb+0x130/0x360 [ 3695.167883][ T7704] netlink_unicast+0x449/0x710 [ 3695.167883][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3695.167883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3695.167883][ T7704] ___sys_sendmsg+0xee/0x170 [ 3695.167883][ T7704] __sys_sendmsg+0xcd/0x170 [ 3695.167883][ T7704] do_syscall_64+0xc6/0x1e0 [ 3695.167883][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3695.167883][ T7704] [ 3695.170708][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3695.170708][ T7704] netdev_get_by_index+0x5e/0x80 [ 3695.170708][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3695.170708][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3695.170708][ T7704] ip6_route_add+0x1c/0x140 [ 3695.170708][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3695.170708][ T7704] addrconf_add_dev+0xe2/0x170 [ 3695.170708][ T7704] inet6_addr_add+0x12f/0xa40 [ 3695.170708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3695.170708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3695.170708][ T7704] netlink_rcv_skb+0x130/0x360 [ 3695.170708][ T7704] netlink_unicast+0x449/0x710 [ 3695.170708][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3695.170708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3695.170708][ T7704] ___sys_sendmsg+0xee/0x170 [ 3695.170708][ T7704] __sys_sendmsg+0xcd/0x170 [ 3695.170708][ T7704] do_syscall_64+0xc6/0x1e0 [ 3695.170708][ T7704] [ 3695.173119][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3695.173119][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3695.173119][ T7704] ipv6_find_idev+0x102/0x170 [ 3695.173119][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3695.173119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3695.173119][ T7704] netlink_rcv_skb+0x130/0x360 [ 3695.173119][ T7704] netlink_unicast+0x449/0x710 [ 3695.173119][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3695.173119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3695.173119][ T7704] ___sys_sendmsg+0xee/0x170 [ 3695.173119][ T7704] __sys_sendmsg+0xcd/0x170 [ 3695.173119][ T7704] do_syscall_64+0xc6/0x1e0 [ 3695.173119][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3695.173119][ T7704] [ 3695.174989][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3695.174989][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3695.174989][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3695.174989][ T7704] ipv6_find_idev+0x102/0x170 [ 3695.174989][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3695.174989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3695.174989][ T7704] netlink_rcv_skb+0x130/0x360 [ 3695.174989][ T7704] netlink_unicast+0x449/0x710 [ 3695.174989][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3695.174989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3695.174989][ T7704] ___sys_sendmsg+0xee/0x170 [ 3695.174989][ T7704] __sys_sendmsg+0xcd/0x170 [ 3695.174989][ T7704] do_syscall_64+0xc6/0x1e0 [ 3695.174989][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3695.174989][ T7704] [ 3705.428790][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3705.429328][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3705.429328][ T7704] netdev_get_by_index+0x5e/0x80 [ 3705.429328][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3705.429328][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3705.429328][ T7704] ip6_route_add+0x1c/0x140 [ 3705.429328][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3705.429328][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3705.429328][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3705.429328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3705.429328][ T7704] netlink_rcv_skb+0x130/0x360 [ 3705.429328][ T7704] netlink_unicast+0x449/0x710 [ 3705.429328][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3705.429328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3705.429328][ T7704] ___sys_sendmsg+0xee/0x170 [ 3705.429328][ T7704] __sys_sendmsg+0xcd/0x170 [ 3705.429328][ T7704] do_syscall_64+0xc6/0x1e0 [ 3705.429328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3705.429328][ T7704] [ 3705.431796][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3705.431796][ T7704] netdev_get_by_index+0x5e/0x80 [ 3705.431796][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3705.431796][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3705.431796][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3705.431796][ T7704] ipv6_add_addr+0x411/0x2000 [ 3705.431796][ T7704] inet6_addr_add+0x30e/0xa40 [ 3705.431796][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3705.431796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3705.431796][ T7704] netlink_rcv_skb+0x130/0x360 [ 3705.431796][ T7704] netlink_unicast+0x449/0x710 [ 3705.431796][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3705.431796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3705.431796][ T7704] ___sys_sendmsg+0xee/0x170 [ 3705.431796][ T7704] __sys_sendmsg+0xcd/0x170 [ 3705.431796][ T7704] do_syscall_64+0xc6/0x1e0 [ 3705.431796][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3705.431796][ T7704] [ 3705.434243][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3705.434243][ T7704] netdev_get_by_index+0x5e/0x80 [ 3705.434243][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3705.434243][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3705.434243][ T7704] ip6_route_add+0x1c/0x140 [ 3705.434243][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3705.434243][ T7704] addrconf_add_dev+0xe2/0x170 [ 3705.434243][ T7704] inet6_addr_add+0x12f/0xa40 [ 3705.434243][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3705.434243][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3705.434243][ T7704] netlink_rcv_skb+0x130/0x360 [ 3705.434243][ T7704] netlink_unicast+0x449/0x710 [ 3705.434243][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3705.434243][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3705.434243][ T7704] ___sys_sendmsg+0xee/0x170 [ 3705.434243][ T7704] __sys_sendmsg+0xcd/0x170 [ 3705.434243][ T7704] do_syscall_64+0xc6/0x1e0 [ 3705.434243][ T7704] [ 3705.436678][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3705.436678][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3705.436678][ T7704] ipv6_find_idev+0x102/0x170 [ 3705.436678][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3705.436678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3705.436678][ T7704] netlink_rcv_skb+0x130/0x360 [ 3705.436678][ T7704] netlink_unicast+0x449/0x710 [ 3705.436678][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3705.436678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3705.436678][ T7704] ___sys_sendmsg+0xee/0x170 [ 3705.436678][ T7704] __sys_sendmsg+0xcd/0x170 [ 3705.436678][ T7704] do_syscall_64+0xc6/0x1e0 [ 3705.436678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3705.436678][ T7704] [ 3705.438571][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3705.438571][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3705.438571][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3705.438571][ T7704] ipv6_find_idev+0x102/0x170 [ 3705.438571][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3705.438571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3705.438571][ T7704] netlink_rcv_skb+0x130/0x360 [ 3705.438571][ T7704] netlink_unicast+0x449/0x710 [ 3705.438571][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3705.438571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3705.438571][ T7704] ___sys_sendmsg+0xee/0x170 [ 3705.438571][ T7704] __sys_sendmsg+0xcd/0x170 [ 3705.438571][ T7704] do_syscall_64+0xc6/0x1e0 [ 3705.438571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3705.438571][ T7704] [ 3715.484801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3715.485340][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3715.485340][ T7704] netdev_get_by_index+0x5e/0x80 [ 3715.485340][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3715.485340][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3715.485340][ T7704] ip6_route_add+0x1c/0x140 [ 3715.485340][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3715.485340][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3715.485340][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3715.485340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3715.485340][ T7704] netlink_rcv_skb+0x130/0x360 [ 3715.485340][ T7704] netlink_unicast+0x449/0x710 [ 3715.485340][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3715.485340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3715.485340][ T7704] ___sys_sendmsg+0xee/0x170 [ 3715.485340][ T7704] __sys_sendmsg+0xcd/0x170 [ 3715.485340][ T7704] do_syscall_64+0xc6/0x1e0 [ 3715.485340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3715.485340][ T7704] [ 3715.487794][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3715.487794][ T7704] netdev_get_by_index+0x5e/0x80 [ 3715.487794][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3715.487794][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3715.487794][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3715.487794][ T7704] ipv6_add_addr+0x411/0x2000 [ 3715.487794][ T7704] inet6_addr_add+0x30e/0xa40 [ 3715.487794][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3715.487794][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3715.487794][ T7704] netlink_rcv_skb+0x130/0x360 [ 3715.487794][ T7704] netlink_unicast+0x449/0x710 [ 3715.487794][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3715.487794][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3715.487794][ T7704] ___sys_sendmsg+0xee/0x170 [ 3715.487794][ T7704] __sys_sendmsg+0xcd/0x170 [ 3715.487794][ T7704] do_syscall_64+0xc6/0x1e0 [ 3715.487794][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3715.487794][ T7704] [ 3715.490224][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3715.490224][ T7704] netdev_get_by_index+0x5e/0x80 [ 3715.490224][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3715.490224][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3715.490224][ T7704] ip6_route_add+0x1c/0x140 [ 3715.490224][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3715.490224][ T7704] addrconf_add_dev+0xe2/0x170 [ 3715.490224][ T7704] inet6_addr_add+0x12f/0xa40 [ 3715.490224][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3715.490224][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3715.490224][ T7704] netlink_rcv_skb+0x130/0x360 [ 3715.490224][ T7704] netlink_unicast+0x449/0x710 [ 3715.490224][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3715.490224][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3715.490224][ T7704] ___sys_sendmsg+0xee/0x170 [ 3715.490224][ T7704] __sys_sendmsg+0xcd/0x170 [ 3715.490224][ T7704] do_syscall_64+0xc6/0x1e0 [ 3715.490224][ T7704] [ 3715.492632][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3715.492632][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3715.492632][ T7704] ipv6_find_idev+0x102/0x170 [ 3715.492632][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3715.492632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3715.492632][ T7704] netlink_rcv_skb+0x130/0x360 [ 3715.492632][ T7704] netlink_unicast+0x449/0x710 [ 3715.492632][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3715.492632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3715.492632][ T7704] ___sys_sendmsg+0xee/0x170 [ 3715.492632][ T7704] __sys_sendmsg+0xcd/0x170 [ 3715.492632][ T7704] do_syscall_64+0xc6/0x1e0 [ 3715.492632][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3715.492632][ T7704] [ 3715.494526][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3715.494526][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3715.494526][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3715.494526][ T7704] ipv6_find_idev+0x102/0x170 [ 3715.494526][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3715.494526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3715.494526][ T7704] netlink_rcv_skb+0x130/0x360 [ 3715.494526][ T7704] netlink_unicast+0x449/0x710 [ 3715.494526][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3715.494526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3715.494526][ T7704] ___sys_sendmsg+0xee/0x170 [ 3715.494526][ T7704] __sys_sendmsg+0xcd/0x170 [ 3715.494526][ T7704] do_syscall_64+0xc6/0x1e0 [ 3715.494526][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3715.494526][ T7704] [ 3725.612906][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3725.613469][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3725.613469][ T7704] netdev_get_by_index+0x5e/0x80 [ 3725.613469][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3725.613469][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3725.613469][ T7704] ip6_route_add+0x1c/0x140 [ 3725.613469][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3725.613469][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3725.613469][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3725.613469][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3725.613469][ T7704] netlink_rcv_skb+0x130/0x360 [ 3725.613469][ T7704] netlink_unicast+0x449/0x710 [ 3725.613469][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3725.613469][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3725.613469][ T7704] ___sys_sendmsg+0xee/0x170 [ 3725.613469][ T7704] __sys_sendmsg+0xcd/0x170 [ 3725.613469][ T7704] do_syscall_64+0xc6/0x1e0 [ 3725.613469][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3725.613469][ T7704] [ 3725.615974][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3725.615974][ T7704] netdev_get_by_index+0x5e/0x80 [ 3725.615974][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3725.615974][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3725.615974][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3725.615974][ T7704] ipv6_add_addr+0x411/0x2000 [ 3725.615974][ T7704] inet6_addr_add+0x30e/0xa40 [ 3725.615974][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3725.615974][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3725.615974][ T7704] netlink_rcv_skb+0x130/0x360 [ 3725.615974][ T7704] netlink_unicast+0x449/0x710 [ 3725.615974][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3725.615974][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3725.615974][ T7704] ___sys_sendmsg+0xee/0x170 [ 3725.615974][ T7704] __sys_sendmsg+0xcd/0x170 [ 3725.615974][ T7704] do_syscall_64+0xc6/0x1e0 [ 3725.615974][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3725.615974][ T7704] [ 3725.618419][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3725.618419][ T7704] netdev_get_by_index+0x5e/0x80 [ 3725.618419][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3725.618419][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3725.618419][ T7704] ip6_route_add+0x1c/0x140 [ 3725.618419][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3725.618419][ T7704] addrconf_add_dev+0xe2/0x170 [ 3725.618419][ T7704] inet6_addr_add+0x12f/0xa40 [ 3725.618419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3725.618419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3725.618419][ T7704] netlink_rcv_skb+0x130/0x360 [ 3725.618419][ T7704] netlink_unicast+0x449/0x710 [ 3725.618419][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3725.618419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3725.618419][ T7704] ___sys_sendmsg+0xee/0x170 [ 3725.618419][ T7704] __sys_sendmsg+0xcd/0x170 [ 3725.618419][ T7704] do_syscall_64+0xc6/0x1e0 [ 3725.618419][ T7704] [ 3725.620822][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3725.620822][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3725.620822][ T7704] ipv6_find_idev+0x102/0x170 [ 3725.620822][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3725.620822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3725.620822][ T7704] netlink_rcv_skb+0x130/0x360 [ 3725.620822][ T7704] netlink_unicast+0x449/0x710 [ 3725.620822][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3725.620822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3725.620822][ T7704] ___sys_sendmsg+0xee/0x170 [ 3725.620822][ T7704] __sys_sendmsg+0xcd/0x170 [ 3725.620822][ T7704] do_syscall_64+0xc6/0x1e0 [ 3725.620822][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3725.620822][ T7704] [ 3725.622731][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3725.622731][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3725.622731][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3725.622731][ T7704] ipv6_find_idev+0x102/0x170 [ 3725.622731][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3725.622731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3725.622731][ T7704] netlink_rcv_skb+0x130/0x360 [ 3725.622731][ T7704] netlink_unicast+0x449/0x710 [ 3725.622731][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3725.622731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3725.622731][ T7704] ___sys_sendmsg+0xee/0x170 [ 3725.622731][ T7704] __sys_sendmsg+0xcd/0x170 [ 3725.622731][ T7704] do_syscall_64+0xc6/0x1e0 [ 3725.622731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3725.622731][ T7704] [ 3735.860805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3735.861332][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3735.861332][ T7704] netdev_get_by_index+0x5e/0x80 [ 3735.861332][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3735.861332][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3735.861332][ T7704] ip6_route_add+0x1c/0x140 [ 3735.861332][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3735.861332][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3735.861332][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3735.861332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3735.861332][ T7704] netlink_rcv_skb+0x130/0x360 [ 3735.861332][ T7704] netlink_unicast+0x449/0x710 [ 3735.861332][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3735.861332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3735.861332][ T7704] ___sys_sendmsg+0xee/0x170 [ 3735.861332][ T7704] __sys_sendmsg+0xcd/0x170 [ 3735.861332][ T7704] do_syscall_64+0xc6/0x1e0 [ 3735.861332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3735.861332][ T7704] [ 3735.863828][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3735.863828][ T7704] netdev_get_by_index+0x5e/0x80 [ 3735.863828][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3735.863828][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3735.863828][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3735.863828][ T7704] ipv6_add_addr+0x411/0x2000 [ 3735.863828][ T7704] inet6_addr_add+0x30e/0xa40 [ 3735.863828][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3735.863828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3735.863828][ T7704] netlink_rcv_skb+0x130/0x360 [ 3735.863828][ T7704] netlink_unicast+0x449/0x710 [ 3735.863828][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3735.863828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3735.863828][ T7704] ___sys_sendmsg+0xee/0x170 [ 3735.863828][ T7704] __sys_sendmsg+0xcd/0x170 [ 3735.863828][ T7704] do_syscall_64+0xc6/0x1e0 [ 3735.863828][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3735.863828][ T7704] [ 3735.866264][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3735.866264][ T7704] netdev_get_by_index+0x5e/0x80 [ 3735.866264][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3735.866264][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3735.866264][ T7704] ip6_route_add+0x1c/0x140 [ 3735.866264][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3735.866264][ T7704] addrconf_add_dev+0xe2/0x170 [ 3735.866264][ T7704] inet6_addr_add+0x12f/0xa40 [ 3735.866264][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3735.866264][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3735.866264][ T7704] netlink_rcv_skb+0x130/0x360 [ 3735.866264][ T7704] netlink_unicast+0x449/0x710 [ 3735.866264][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3735.866264][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3735.866264][ T7704] ___sys_sendmsg+0xee/0x170 [ 3735.866264][ T7704] __sys_sendmsg+0xcd/0x170 [ 3735.866264][ T7704] do_syscall_64+0xc6/0x1e0 [ 3735.866264][ T7704] [ 3735.868646][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3735.868646][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3735.868646][ T7704] ipv6_find_idev+0x102/0x170 [ 3735.868646][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3735.868646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3735.868646][ T7704] netlink_rcv_skb+0x130/0x360 [ 3735.868646][ T7704] netlink_unicast+0x449/0x710 [ 3735.868646][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3735.868646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3735.868646][ T7704] ___sys_sendmsg+0xee/0x170 [ 3735.868646][ T7704] __sys_sendmsg+0xcd/0x170 [ 3735.868646][ T7704] do_syscall_64+0xc6/0x1e0 [ 3735.868646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3735.868646][ T7704] [ 3735.870520][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3735.870520][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3735.870520][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3735.870520][ T7704] ipv6_find_idev+0x102/0x170 [ 3735.870520][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3735.870520][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3735.870520][ T7704] netlink_rcv_skb+0x130/0x360 [ 3735.870520][ T7704] netlink_unicast+0x449/0x710 [ 3735.870520][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3735.870520][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3735.870520][ T7704] ___sys_sendmsg+0xee/0x170 [ 3735.870520][ T7704] __sys_sendmsg+0xcd/0x170 [ 3735.870520][ T7704] do_syscall_64+0xc6/0x1e0 [ 3735.870520][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3735.870520][ T7704] [ 3745.884760][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3745.885300][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3745.885300][ T7704] netdev_get_by_index+0x5e/0x80 [ 3745.885300][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3745.885300][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3745.885300][ T7704] ip6_route_add+0x1c/0x140 [ 3745.885300][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3745.885300][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3745.885300][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3745.885300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3745.885300][ T7704] netlink_rcv_skb+0x130/0x360 [ 3745.885300][ T7704] netlink_unicast+0x449/0x710 [ 3745.885300][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3745.885300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3745.885300][ T7704] ___sys_sendmsg+0xee/0x170 [ 3745.885300][ T7704] __sys_sendmsg+0xcd/0x170 [ 3745.885300][ T7704] do_syscall_64+0xc6/0x1e0 [ 3745.885300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3745.885300][ T7704] [ 3745.887778][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3745.887778][ T7704] netdev_get_by_index+0x5e/0x80 [ 3745.887778][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3745.887778][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3745.887778][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3745.887778][ T7704] ipv6_add_addr+0x411/0x2000 [ 3745.887778][ T7704] inet6_addr_add+0x30e/0xa40 [ 3745.887778][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3745.887778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3745.887778][ T7704] netlink_rcv_skb+0x130/0x360 [ 3745.887778][ T7704] netlink_unicast+0x449/0x710 [ 3745.887778][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3745.887778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3745.887778][ T7704] ___sys_sendmsg+0xee/0x170 [ 3745.887778][ T7704] __sys_sendmsg+0xcd/0x170 [ 3745.887778][ T7704] do_syscall_64+0xc6/0x1e0 [ 3745.887778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3745.887778][ T7704] [ 3745.890235][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3745.890235][ T7704] netdev_get_by_index+0x5e/0x80 [ 3745.890235][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3745.890235][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3745.890235][ T7704] ip6_route_add+0x1c/0x140 [ 3745.890235][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3745.890235][ T7704] addrconf_add_dev+0xe2/0x170 [ 3745.890235][ T7704] inet6_addr_add+0x12f/0xa40 [ 3745.890235][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3745.890235][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3745.890235][ T7704] netlink_rcv_skb+0x130/0x360 [ 3745.890235][ T7704] netlink_unicast+0x449/0x710 [ 3745.890235][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3745.890235][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3745.890235][ T7704] ___sys_sendmsg+0xee/0x170 [ 3745.890235][ T7704] __sys_sendmsg+0xcd/0x170 [ 3745.890235][ T7704] do_syscall_64+0xc6/0x1e0 [ 3745.890235][ T7704] [ 3745.893184][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3745.893184][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3745.893184][ T7704] ipv6_find_idev+0x102/0x170 [ 3745.893184][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3745.893184][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3745.893184][ T7704] netlink_rcv_skb+0x130/0x360 [ 3745.893184][ T7704] netlink_unicast+0x449/0x710 [ 3745.893184][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3745.893184][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3745.893184][ T7704] ___sys_sendmsg+0xee/0x170 [ 3745.893184][ T7704] __sys_sendmsg+0xcd/0x170 [ 3745.893184][ T7704] do_syscall_64+0xc6/0x1e0 [ 3745.893184][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3745.893184][ T7704] [ 3745.895095][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3745.895095][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3745.895095][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3745.895095][ T7704] ipv6_find_idev+0x102/0x170 [ 3745.895095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3745.895095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3745.895095][ T7704] netlink_rcv_skb+0x130/0x360 [ 3745.895095][ T7704] netlink_unicast+0x449/0x710 [ 3745.895095][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3745.895095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3745.895095][ T7704] ___sys_sendmsg+0xee/0x170 [ 3745.895095][ T7704] __sys_sendmsg+0xcd/0x170 [ 3745.895095][ T7704] do_syscall_64+0xc6/0x1e0 [ 3745.895095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3745.895095][ T7704] [ 3756.124822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3756.125377][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3756.125377][ T7704] netdev_get_by_index+0x5e/0x80 [ 3756.125377][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3756.125377][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3756.125377][ T7704] ip6_route_add+0x1c/0x140 [ 3756.125377][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3756.125377][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3756.125377][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3756.125377][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3756.125377][ T7704] netlink_rcv_skb+0x130/0x360 [ 3756.125377][ T7704] netlink_unicast+0x449/0x710 [ 3756.125377][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3756.125377][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3756.125377][ T7704] ___sys_sendmsg+0xee/0x170 [ 3756.125377][ T7704] __sys_sendmsg+0xcd/0x170 [ 3756.125377][ T7704] do_syscall_64+0xc6/0x1e0 [ 3756.125377][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3756.125377][ T7704] [ 3756.127856][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3756.127856][ T7704] netdev_get_by_index+0x5e/0x80 [ 3756.127856][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3756.127856][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3756.127856][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3756.127856][ T7704] ipv6_add_addr+0x411/0x2000 [ 3756.127856][ T7704] inet6_addr_add+0x30e/0xa40 [ 3756.127856][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3756.127856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3756.127856][ T7704] netlink_rcv_skb+0x130/0x360 [ 3756.127856][ T7704] netlink_unicast+0x449/0x710 [ 3756.127856][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3756.127856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3756.127856][ T7704] ___sys_sendmsg+0xee/0x170 [ 3756.127856][ T7704] __sys_sendmsg+0xcd/0x170 [ 3756.127856][ T7704] do_syscall_64+0xc6/0x1e0 [ 3756.127856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3756.127856][ T7704] [ 3756.130279][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3756.130279][ T7704] netdev_get_by_index+0x5e/0x80 [ 3756.130279][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3756.130279][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3756.130279][ T7704] ip6_route_add+0x1c/0x140 [ 3756.130279][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3756.130279][ T7704] addrconf_add_dev+0xe2/0x170 [ 3756.130279][ T7704] inet6_addr_add+0x12f/0xa40 [ 3756.130279][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3756.130279][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3756.130279][ T7704] netlink_rcv_skb+0x130/0x360 [ 3756.130279][ T7704] netlink_unicast+0x449/0x710 [ 3756.130279][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3756.130279][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3756.130279][ T7704] ___sys_sendmsg+0xee/0x170 [ 3756.130279][ T7704] __sys_sendmsg+0xcd/0x170 [ 3756.130279][ T7704] do_syscall_64+0xc6/0x1e0 [ 3756.130279][ T7704] [ 3756.132678][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3756.132678][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3756.132678][ T7704] ipv6_find_idev+0x102/0x170 [ 3756.132678][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3756.132678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3756.132678][ T7704] netlink_rcv_skb+0x130/0x360 [ 3756.132678][ T7704] netlink_unicast+0x449/0x710 [ 3756.132678][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3756.132678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3756.132678][ T7704] ___sys_sendmsg+0xee/0x170 [ 3756.132678][ T7704] __sys_sendmsg+0xcd/0x170 [ 3756.132678][ T7704] do_syscall_64+0xc6/0x1e0 [ 3756.132678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3756.132678][ T7704] [ 3756.134561][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3756.134561][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3756.134561][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3756.134561][ T7704] ipv6_find_idev+0x102/0x170 [ 3756.134561][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3756.134561][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3756.134561][ T7704] netlink_rcv_skb+0x130/0x360 [ 3756.134561][ T7704] netlink_unicast+0x449/0x710 [ 3756.134561][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3756.134561][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3756.134561][ T7704] ___sys_sendmsg+0xee/0x170 [ 3756.134561][ T7704] __sys_sendmsg+0xcd/0x170 [ 3756.134561][ T7704] do_syscall_64+0xc6/0x1e0 [ 3756.134561][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3756.134561][ T7704] [ 3766.372768][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3766.373280][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3766.373280][ T7704] netdev_get_by_index+0x5e/0x80 [ 3766.373280][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3766.373280][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3766.373280][ T7704] ip6_route_add+0x1c/0x140 [ 3766.373280][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3766.373280][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3766.373280][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3766.373280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3766.373280][ T7704] netlink_rcv_skb+0x130/0x360 [ 3766.373280][ T7704] netlink_unicast+0x449/0x710 [ 3766.373280][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3766.373280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3766.373280][ T7704] ___sys_sendmsg+0xee/0x170 [ 3766.373280][ T7704] __sys_sendmsg+0xcd/0x170 [ 3766.373280][ T7704] do_syscall_64+0xc6/0x1e0 [ 3766.373280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3766.373280][ T7704] [ 3766.375819][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3766.375819][ T7704] netdev_get_by_index+0x5e/0x80 [ 3766.375819][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3766.375819][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3766.375819][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3766.375819][ T7704] ipv6_add_addr+0x411/0x2000 [ 3766.375819][ T7704] inet6_addr_add+0x30e/0xa40 [ 3766.375819][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3766.375819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3766.375819][ T7704] netlink_rcv_skb+0x130/0x360 [ 3766.375819][ T7704] netlink_unicast+0x449/0x710 [ 3766.375819][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3766.375819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3766.375819][ T7704] ___sys_sendmsg+0xee/0x170 [ 3766.375819][ T7704] __sys_sendmsg+0xcd/0x170 [ 3766.375819][ T7704] do_syscall_64+0xc6/0x1e0 [ 3766.375819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3766.375819][ T7704] [ 3766.378311][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3766.378311][ T7704] netdev_get_by_index+0x5e/0x80 [ 3766.378311][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3766.378311][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3766.378311][ T7704] ip6_route_add+0x1c/0x140 [ 3766.378311][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3766.378311][ T7704] addrconf_add_dev+0xe2/0x170 [ 3766.378311][ T7704] inet6_addr_add+0x12f/0xa40 [ 3766.378311][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3766.378311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3766.378311][ T7704] netlink_rcv_skb+0x130/0x360 [ 3766.378311][ T7704] netlink_unicast+0x449/0x710 [ 3766.378311][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3766.378311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3766.378311][ T7704] ___sys_sendmsg+0xee/0x170 [ 3766.378311][ T7704] __sys_sendmsg+0xcd/0x170 [ 3766.378311][ T7704] do_syscall_64+0xc6/0x1e0 [ 3766.378311][ T7704] [ 3766.380777][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3766.380777][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3766.380777][ T7704] ipv6_find_idev+0x102/0x170 [ 3766.380777][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3766.380777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3766.380777][ T7704] netlink_rcv_skb+0x130/0x360 [ 3766.380777][ T7704] netlink_unicast+0x449/0x710 [ 3766.380777][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3766.380777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3766.380777][ T7704] ___sys_sendmsg+0xee/0x170 [ 3766.380777][ T7704] __sys_sendmsg+0xcd/0x170 [ 3766.380777][ T7704] do_syscall_64+0xc6/0x1e0 [ 3766.380777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3766.380777][ T7704] [ 3766.382701][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3766.382701][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3766.382701][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3766.382701][ T7704] ipv6_find_idev+0x102/0x170 [ 3766.382701][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3766.382701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3766.382701][ T7704] netlink_rcv_skb+0x130/0x360 [ 3766.382701][ T7704] netlink_unicast+0x449/0x710 [ 3766.382701][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3766.382701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3766.382701][ T7704] ___sys_sendmsg+0xee/0x170 [ 3766.382701][ T7704] __sys_sendmsg+0xcd/0x170 [ 3766.382701][ T7704] do_syscall_64+0xc6/0x1e0 [ 3766.382701][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3766.382701][ T7704] [ 3776.540724][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3776.541162][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3776.541162][ T7704] netdev_get_by_index+0x5e/0x80 [ 3776.541162][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3776.541162][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3776.541162][ T7704] ip6_route_add+0x1c/0x140 [ 3776.541162][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3776.541162][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3776.541162][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3776.541162][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3776.541162][ T7704] netlink_rcv_skb+0x130/0x360 [ 3776.541162][ T7704] netlink_unicast+0x449/0x710 [ 3776.541162][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3776.541162][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3776.541162][ T7704] ___sys_sendmsg+0xee/0x170 [ 3776.541162][ T7704] __sys_sendmsg+0xcd/0x170 [ 3776.541162][ T7704] do_syscall_64+0xc6/0x1e0 [ 3776.541162][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3776.541162][ T7704] [ 3776.543457][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3776.543457][ T7704] netdev_get_by_index+0x5e/0x80 [ 3776.543457][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3776.543457][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3776.543457][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3776.543457][ T7704] ipv6_add_addr+0x411/0x2000 [ 3776.543457][ T7704] inet6_addr_add+0x30e/0xa40 [ 3776.543457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3776.543457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3776.543457][ T7704] netlink_rcv_skb+0x130/0x360 [ 3776.543457][ T7704] netlink_unicast+0x449/0x710 [ 3776.543457][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3776.543457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3776.543457][ T7704] ___sys_sendmsg+0xee/0x170 [ 3776.543457][ T7704] __sys_sendmsg+0xcd/0x170 [ 3776.543457][ T7704] do_syscall_64+0xc6/0x1e0 [ 3776.543457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3776.543457][ T7704] [ 3776.545697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3776.545697][ T7704] netdev_get_by_index+0x5e/0x80 [ 3776.545697][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3776.545697][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3776.545697][ T7704] ip6_route_add+0x1c/0x140 [ 3776.545697][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3776.545697][ T7704] addrconf_add_dev+0xe2/0x170 [ 3776.545697][ T7704] inet6_addr_add+0x12f/0xa40 [ 3776.545697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3776.545697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3776.545697][ T7704] netlink_rcv_skb+0x130/0x360 [ 3776.545697][ T7704] netlink_unicast+0x449/0x710 [ 3776.545697][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3776.545697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3776.545697][ T7704] ___sys_sendmsg+0xee/0x170 [ 3776.545697][ T7704] __sys_sendmsg+0xcd/0x170 [ 3776.545697][ T7704] do_syscall_64+0xc6/0x1e0 [ 3776.545697][ T7704] [ 3776.547898][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3776.547898][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3776.547898][ T7704] ipv6_find_idev+0x102/0x170 [ 3776.547898][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3776.547898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3776.547898][ T7704] netlink_rcv_skb+0x130/0x360 [ 3776.547898][ T7704] netlink_unicast+0x449/0x710 [ 3776.547898][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3776.547898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3776.547898][ T7704] ___sys_sendmsg+0xee/0x170 [ 3776.547898][ T7704] __sys_sendmsg+0xcd/0x170 [ 3776.547898][ T7704] do_syscall_64+0xc6/0x1e0 [ 3776.547898][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3776.547898][ T7704] [ 3776.549624][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3776.549624][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3776.549624][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3776.549624][ T7704] ipv6_find_idev+0x102/0x170 [ 3776.549624][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3776.549624][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3776.549624][ T7704] netlink_rcv_skb+0x130/0x360 [ 3776.549624][ T7704] netlink_unicast+0x449/0x710 [ 3776.549624][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3776.549624][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3776.549624][ T7704] ___sys_sendmsg+0xee/0x170 [ 3776.549624][ T7704] __sys_sendmsg+0xcd/0x170 [ 3776.549624][ T7704] do_syscall_64+0xc6/0x1e0 [ 3776.549624][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3776.549624][ T7704] [ 3786.788736][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3786.789217][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3786.789217][ T7704] netdev_get_by_index+0x5e/0x80 [ 3786.789217][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3786.789217][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3786.789217][ T7704] ip6_route_add+0x1c/0x140 [ 3786.789217][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3786.789217][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3786.789217][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3786.789217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3786.789217][ T7704] netlink_rcv_skb+0x130/0x360 [ 3786.789217][ T7704] netlink_unicast+0x449/0x710 [ 3786.789217][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3786.789217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3786.789217][ T7704] ___sys_sendmsg+0xee/0x170 [ 3786.789217][ T7704] __sys_sendmsg+0xcd/0x170 [ 3786.789217][ T7704] do_syscall_64+0xc6/0x1e0 [ 3786.789217][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3786.789217][ T7704] [ 3786.791490][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3786.791490][ T7704] netdev_get_by_index+0x5e/0x80 [ 3786.791490][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3786.791490][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3786.791490][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3786.791490][ T7704] ipv6_add_addr+0x411/0x2000 [ 3786.791490][ T7704] inet6_addr_add+0x30e/0xa40 [ 3786.791490][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3786.791490][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3786.791490][ T7704] netlink_rcv_skb+0x130/0x360 [ 3786.791490][ T7704] netlink_unicast+0x449/0x710 [ 3786.791490][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3786.791490][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3786.791490][ T7704] ___sys_sendmsg+0xee/0x170 [ 3786.791490][ T7704] __sys_sendmsg+0xcd/0x170 [ 3786.791490][ T7704] do_syscall_64+0xc6/0x1e0 [ 3786.791490][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3786.791490][ T7704] [ 3786.793738][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3786.793738][ T7704] netdev_get_by_index+0x5e/0x80 [ 3786.793738][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3786.793738][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3786.793738][ T7704] ip6_route_add+0x1c/0x140 [ 3786.793738][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3786.793738][ T7704] addrconf_add_dev+0xe2/0x170 [ 3786.793738][ T7704] inet6_addr_add+0x12f/0xa40 [ 3786.793738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3786.793738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3786.793738][ T7704] netlink_rcv_skb+0x130/0x360 [ 3786.793738][ T7704] netlink_unicast+0x449/0x710 [ 3786.793738][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3786.793738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3786.793738][ T7704] ___sys_sendmsg+0xee/0x170 [ 3786.793738][ T7704] __sys_sendmsg+0xcd/0x170 [ 3786.793738][ T7704] do_syscall_64+0xc6/0x1e0 [ 3786.793738][ T7704] [ 3786.795950][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3786.795950][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3786.795950][ T7704] ipv6_find_idev+0x102/0x170 [ 3786.795950][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3786.795950][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3786.795950][ T7704] netlink_rcv_skb+0x130/0x360 [ 3786.795950][ T7704] netlink_unicast+0x449/0x710 [ 3786.795950][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3786.795950][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3786.795950][ T7704] ___sys_sendmsg+0xee/0x170 [ 3786.795950][ T7704] __sys_sendmsg+0xcd/0x170 [ 3786.795950][ T7704] do_syscall_64+0xc6/0x1e0 [ 3786.795950][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3786.795950][ T7704] [ 3786.797685][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3786.797685][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3786.797685][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3786.797685][ T7704] ipv6_find_idev+0x102/0x170 [ 3786.797685][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3786.797685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3786.797685][ T7704] netlink_rcv_skb+0x130/0x360 [ 3786.797685][ T7704] netlink_unicast+0x449/0x710 [ 3786.797685][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3786.797685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3786.797685][ T7704] ___sys_sendmsg+0xee/0x170 [ 3786.797685][ T7704] __sys_sendmsg+0xcd/0x170 [ 3786.797685][ T7704] do_syscall_64+0xc6/0x1e0 [ 3786.797685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3786.797685][ T7704] [ 3797.036727][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3797.037136][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3797.037136][ T7704] netdev_get_by_index+0x5e/0x80 [ 3797.037136][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3797.037136][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3797.037136][ T7704] ip6_route_add+0x1c/0x140 [ 3797.037136][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3797.037136][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3797.037136][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3797.037136][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3797.037136][ T7704] netlink_rcv_skb+0x130/0x360 [ 3797.037136][ T7704] netlink_unicast+0x449/0x710 [ 3797.037136][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3797.037136][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3797.037136][ T7704] ___sys_sendmsg+0xee/0x170 [ 3797.037136][ T7704] __sys_sendmsg+0xcd/0x170 [ 3797.037136][ T7704] do_syscall_64+0xc6/0x1e0 [ 3797.037136][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3797.037136][ T7704] [ 3797.039403][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3797.039403][ T7704] netdev_get_by_index+0x5e/0x80 [ 3797.039403][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3797.039403][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3797.039403][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3797.039403][ T7704] ipv6_add_addr+0x411/0x2000 [ 3797.039403][ T7704] inet6_addr_add+0x30e/0xa40 [ 3797.039403][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3797.039403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3797.039403][ T7704] netlink_rcv_skb+0x130/0x360 [ 3797.039403][ T7704] netlink_unicast+0x449/0x710 [ 3797.039403][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3797.039403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3797.039403][ T7704] ___sys_sendmsg+0xee/0x170 [ 3797.039403][ T7704] __sys_sendmsg+0xcd/0x170 [ 3797.039403][ T7704] do_syscall_64+0xc6/0x1e0 [ 3797.039403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3797.039403][ T7704] [ 3797.041654][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3797.041654][ T7704] netdev_get_by_index+0x5e/0x80 [ 3797.041654][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3797.041654][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3797.041654][ T7704] ip6_route_add+0x1c/0x140 [ 3797.041654][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3797.041654][ T7704] addrconf_add_dev+0xe2/0x170 [ 3797.041654][ T7704] inet6_addr_add+0x12f/0xa40 [ 3797.041654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3797.041654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3797.041654][ T7704] netlink_rcv_skb+0x130/0x360 [ 3797.041654][ T7704] netlink_unicast+0x449/0x710 [ 3797.041654][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3797.041654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3797.041654][ T7704] ___sys_sendmsg+0xee/0x170 [ 3797.041654][ T7704] __sys_sendmsg+0xcd/0x170 [ 3797.041654][ T7704] do_syscall_64+0xc6/0x1e0 [ 3797.041654][ T7704] [ 3797.044365][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3797.044365][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3797.044365][ T7704] ipv6_find_idev+0x102/0x170 [ 3797.044365][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3797.044365][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3797.044365][ T7704] netlink_rcv_skb+0x130/0x360 [ 3797.044365][ T7704] netlink_unicast+0x449/0x710 [ 3797.044365][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3797.044365][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3797.044365][ T7704] ___sys_sendmsg+0xee/0x170 [ 3797.044365][ T7704] __sys_sendmsg+0xcd/0x170 [ 3797.044365][ T7704] do_syscall_64+0xc6/0x1e0 [ 3797.044365][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3797.044365][ T7704] [ 3797.046097][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3797.046097][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3797.046097][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3797.046097][ T7704] ipv6_find_idev+0x102/0x170 [ 3797.046097][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3797.046097][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3797.046097][ T7704] netlink_rcv_skb+0x130/0x360 [ 3797.046097][ T7704] netlink_unicast+0x449/0x710 [ 3797.046097][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3797.046097][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3797.046097][ T7704] ___sys_sendmsg+0xee/0x170 [ 3797.046097][ T7704] __sys_sendmsg+0xcd/0x170 [ 3797.046097][ T7704] do_syscall_64+0xc6/0x1e0 [ 3797.046097][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3797.046097][ T7704] [ 3807.116855][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3807.117609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3807.117609][ T7704] netdev_get_by_index+0x5e/0x80 [ 3807.117609][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3807.117609][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3807.117609][ T7704] ip6_route_add+0x1c/0x140 [ 3807.117609][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3807.117609][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3807.117609][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3807.117609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3807.117609][ T7704] netlink_rcv_skb+0x130/0x360 [ 3807.117609][ T7704] netlink_unicast+0x449/0x710 [ 3807.117609][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3807.117609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3807.117609][ T7704] ___sys_sendmsg+0xee/0x170 [ 3807.117609][ T7704] __sys_sendmsg+0xcd/0x170 [ 3807.117609][ T7704] do_syscall_64+0xc6/0x1e0 [ 3807.117609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3807.117609][ T7704] [ 3807.122617][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3807.122617][ T7704] netdev_get_by_index+0x5e/0x80 [ 3807.122617][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3807.122617][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3807.122617][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3807.122617][ T7704] ipv6_add_addr+0x411/0x2000 [ 3807.122617][ T7704] inet6_addr_add+0x30e/0xa40 [ 3807.122617][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3807.122617][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3807.122617][ T7704] netlink_rcv_skb+0x130/0x360 [ 3807.122617][ T7704] netlink_unicast+0x449/0x710 [ 3807.122617][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3807.122617][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3807.122617][ T7704] ___sys_sendmsg+0xee/0x170 [ 3807.122617][ T7704] __sys_sendmsg+0xcd/0x170 [ 3807.122617][ T7704] do_syscall_64+0xc6/0x1e0 [ 3807.122617][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3807.122617][ T7704] [ 3807.127275][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3807.127275][ T7704] netdev_get_by_index+0x5e/0x80 [ 3807.127275][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3807.127275][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3807.127275][ T7704] ip6_route_add+0x1c/0x140 [ 3807.127275][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3807.127275][ T7704] addrconf_add_dev+0xe2/0x170 [ 3807.127275][ T7704] inet6_addr_add+0x12f/0xa40 [ 3807.127275][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3807.127275][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3807.127275][ T7704] netlink_rcv_skb+0x130/0x360 [ 3807.127275][ T7704] netlink_unicast+0x449/0x710 [ 3807.127275][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3807.127275][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3807.127275][ T7704] ___sys_sendmsg+0xee/0x170 [ 3807.127275][ T7704] __sys_sendmsg+0xcd/0x170 [ 3807.127275][ T7704] do_syscall_64+0xc6/0x1e0 [ 3807.127275][ T7704] [ 3807.133234][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3807.133234][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3807.133234][ T7704] ipv6_find_idev+0x102/0x170 [ 3807.133234][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3807.133234][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3807.133234][ T7704] netlink_rcv_skb+0x130/0x360 [ 3807.133234][ T7704] netlink_unicast+0x449/0x710 [ 3807.133234][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3807.133234][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3807.133234][ T7704] ___sys_sendmsg+0xee/0x170 [ 3807.133234][ T7704] __sys_sendmsg+0xcd/0x170 [ 3807.133234][ T7704] do_syscall_64+0xc6/0x1e0 [ 3807.133234][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3807.133234][ T7704] [ 3807.136780][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3807.136780][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3807.136780][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3807.136780][ T7704] ipv6_find_idev+0x102/0x170 [ 3807.136780][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3807.136780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3807.136780][ T7704] netlink_rcv_skb+0x130/0x360 [ 3807.136780][ T7704] netlink_unicast+0x449/0x710 [ 3807.136780][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3807.136780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3807.136780][ T7704] ___sys_sendmsg+0xee/0x170 [ 3807.136780][ T7704] __sys_sendmsg+0xcd/0x170 [ 3807.136780][ T7704] do_syscall_64+0xc6/0x1e0 [ 3807.136780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3807.136780][ T7704] [ 3817.212796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3817.213250][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3817.213250][ T7704] netdev_get_by_index+0x5e/0x80 [ 3817.213250][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3817.213250][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3817.213250][ T7704] ip6_route_add+0x1c/0x140 [ 3817.213250][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3817.213250][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3817.213250][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3817.213250][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3817.213250][ T7704] netlink_rcv_skb+0x130/0x360 [ 3817.213250][ T7704] netlink_unicast+0x449/0x710 [ 3817.213250][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3817.213250][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3817.213250][ T7704] ___sys_sendmsg+0xee/0x170 [ 3817.213250][ T7704] __sys_sendmsg+0xcd/0x170 [ 3817.213250][ T7704] do_syscall_64+0xc6/0x1e0 [ 3817.213250][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3817.213250][ T7704] [ 3817.215506][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3817.215506][ T7704] netdev_get_by_index+0x5e/0x80 [ 3817.215506][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3817.215506][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3817.215506][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3817.215506][ T7704] ipv6_add_addr+0x411/0x2000 [ 3817.215506][ T7704] inet6_addr_add+0x30e/0xa40 [ 3817.215506][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3817.215506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3817.215506][ T7704] netlink_rcv_skb+0x130/0x360 [ 3817.215506][ T7704] netlink_unicast+0x449/0x710 [ 3817.215506][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3817.215506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3817.215506][ T7704] ___sys_sendmsg+0xee/0x170 [ 3817.215506][ T7704] __sys_sendmsg+0xcd/0x170 [ 3817.215506][ T7704] do_syscall_64+0xc6/0x1e0 [ 3817.215506][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3817.215506][ T7704] [ 3817.217738][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3817.217738][ T7704] netdev_get_by_index+0x5e/0x80 [ 3817.217738][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3817.217738][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3817.217738][ T7704] ip6_route_add+0x1c/0x140 [ 3817.217738][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3817.217738][ T7704] addrconf_add_dev+0xe2/0x170 [ 3817.217738][ T7704] inet6_addr_add+0x12f/0xa40 [ 3817.217738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3817.217738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3817.217738][ T7704] netlink_rcv_skb+0x130/0x360 [ 3817.217738][ T7704] netlink_unicast+0x449/0x710 [ 3817.217738][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3817.217738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3817.217738][ T7704] ___sys_sendmsg+0xee/0x170 [ 3817.217738][ T7704] __sys_sendmsg+0xcd/0x170 [ 3817.217738][ T7704] do_syscall_64+0xc6/0x1e0 [ 3817.217738][ T7704] [ 3817.219929][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3817.219929][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3817.219929][ T7704] ipv6_find_idev+0x102/0x170 [ 3817.219929][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3817.219929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3817.219929][ T7704] netlink_rcv_skb+0x130/0x360 [ 3817.219929][ T7704] netlink_unicast+0x449/0x710 [ 3817.219929][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3817.219929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3817.219929][ T7704] ___sys_sendmsg+0xee/0x170 [ 3817.219929][ T7704] __sys_sendmsg+0xcd/0x170 [ 3817.219929][ T7704] do_syscall_64+0xc6/0x1e0 [ 3817.219929][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3817.219929][ T7704] [ 3817.221649][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3817.221649][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3817.221649][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3817.221649][ T7704] ipv6_find_idev+0x102/0x170 [ 3817.221649][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3817.221649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3817.221649][ T7704] netlink_rcv_skb+0x130/0x360 [ 3817.221649][ T7704] netlink_unicast+0x449/0x710 [ 3817.221649][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3817.221649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3817.221649][ T7704] ___sys_sendmsg+0xee/0x170 [ 3817.221649][ T7704] __sys_sendmsg+0xcd/0x170 [ 3817.221649][ T7704] do_syscall_64+0xc6/0x1e0 [ 3817.221649][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3817.221649][ T7704] [ 3827.468762][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3827.469239][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3827.469239][ T7704] netdev_get_by_index+0x5e/0x80 [ 3827.469239][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3827.469239][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3827.469239][ T7704] ip6_route_add+0x1c/0x140 [ 3827.469239][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3827.469239][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3827.469239][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3827.469239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3827.469239][ T7704] netlink_rcv_skb+0x130/0x360 [ 3827.469239][ T7704] netlink_unicast+0x449/0x710 [ 3827.469239][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3827.469239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3827.469239][ T7704] ___sys_sendmsg+0xee/0x170 [ 3827.469239][ T7704] __sys_sendmsg+0xcd/0x170 [ 3827.469239][ T7704] do_syscall_64+0xc6/0x1e0 [ 3827.469239][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3827.469239][ T7704] [ 3827.471516][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3827.471516][ T7704] netdev_get_by_index+0x5e/0x80 [ 3827.471516][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3827.471516][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3827.471516][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3827.471516][ T7704] ipv6_add_addr+0x411/0x2000 [ 3827.471516][ T7704] inet6_addr_add+0x30e/0xa40 [ 3827.471516][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3827.471516][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3827.471516][ T7704] netlink_rcv_skb+0x130/0x360 [ 3827.471516][ T7704] netlink_unicast+0x449/0x710 [ 3827.471516][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3827.471516][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3827.471516][ T7704] ___sys_sendmsg+0xee/0x170 [ 3827.471516][ T7704] __sys_sendmsg+0xcd/0x170 [ 3827.471516][ T7704] do_syscall_64+0xc6/0x1e0 [ 3827.471516][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3827.471516][ T7704] [ 3827.473801][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3827.473801][ T7704] netdev_get_by_index+0x5e/0x80 [ 3827.473801][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3827.473801][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3827.473801][ T7704] ip6_route_add+0x1c/0x140 [ 3827.473801][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3827.473801][ T7704] addrconf_add_dev+0xe2/0x170 [ 3827.473801][ T7704] inet6_addr_add+0x12f/0xa40 [ 3827.473801][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3827.473801][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3827.473801][ T7704] netlink_rcv_skb+0x130/0x360 [ 3827.473801][ T7704] netlink_unicast+0x449/0x710 [ 3827.473801][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3827.473801][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3827.473801][ T7704] ___sys_sendmsg+0xee/0x170 [ 3827.473801][ T7704] __sys_sendmsg+0xcd/0x170 [ 3827.473801][ T7704] do_syscall_64+0xc6/0x1e0 [ 3827.473801][ T7704] [ 3827.475995][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3827.475995][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3827.475995][ T7704] ipv6_find_idev+0x102/0x170 [ 3827.475995][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3827.475995][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3827.475995][ T7704] netlink_rcv_skb+0x130/0x360 [ 3827.475995][ T7704] netlink_unicast+0x449/0x710 [ 3827.475995][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3827.475995][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3827.475995][ T7704] ___sys_sendmsg+0xee/0x170 [ 3827.475995][ T7704] __sys_sendmsg+0xcd/0x170 [ 3827.475995][ T7704] do_syscall_64+0xc6/0x1e0 [ 3827.475995][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3827.475995][ T7704] [ 3827.477712][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3827.477712][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3827.477712][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3827.477712][ T7704] ipv6_find_idev+0x102/0x170 [ 3827.477712][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3827.477712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3827.477712][ T7704] netlink_rcv_skb+0x130/0x360 [ 3827.477712][ T7704] netlink_unicast+0x449/0x710 [ 3827.477712][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3827.477712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3827.477712][ T7704] ___sys_sendmsg+0xee/0x170 [ 3827.477712][ T7704] __sys_sendmsg+0xcd/0x170 [ 3827.477712][ T7704] do_syscall_64+0xc6/0x1e0 [ 3827.477712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3827.477712][ T7704] [ 3837.724860][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3837.725274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3837.725274][ T7704] netdev_get_by_index+0x5e/0x80 [ 3837.725274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3837.725274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3837.725274][ T7704] ip6_route_add+0x1c/0x140 [ 3837.725274][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3837.725274][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3837.725274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3837.725274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3837.725274][ T7704] netlink_rcv_skb+0x130/0x360 [ 3837.725274][ T7704] netlink_unicast+0x449/0x710 [ 3837.725274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3837.725274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3837.725274][ T7704] ___sys_sendmsg+0xee/0x170 [ 3837.725274][ T7704] __sys_sendmsg+0xcd/0x170 [ 3837.725274][ T7704] do_syscall_64+0xc6/0x1e0 [ 3837.725274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3837.725274][ T7704] [ 3837.727536][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3837.727536][ T7704] netdev_get_by_index+0x5e/0x80 [ 3837.727536][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3837.727536][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3837.727536][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3837.727536][ T7704] ipv6_add_addr+0x411/0x2000 [ 3837.727536][ T7704] inet6_addr_add+0x30e/0xa40 [ 3837.727536][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3837.727536][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3837.727536][ T7704] netlink_rcv_skb+0x130/0x360 [ 3837.727536][ T7704] netlink_unicast+0x449/0x710 [ 3837.727536][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3837.727536][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3837.727536][ T7704] ___sys_sendmsg+0xee/0x170 [ 3837.727536][ T7704] __sys_sendmsg+0xcd/0x170 [ 3837.727536][ T7704] do_syscall_64+0xc6/0x1e0 [ 3837.727536][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3837.727536][ T7704] [ 3837.729770][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3837.729770][ T7704] netdev_get_by_index+0x5e/0x80 [ 3837.729770][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3837.729770][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3837.729770][ T7704] ip6_route_add+0x1c/0x140 [ 3837.729770][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3837.729770][ T7704] addrconf_add_dev+0xe2/0x170 [ 3837.729770][ T7704] inet6_addr_add+0x12f/0xa40 [ 3837.729770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3837.729770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3837.729770][ T7704] netlink_rcv_skb+0x130/0x360 [ 3837.729770][ T7704] netlink_unicast+0x449/0x710 [ 3837.729770][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3837.729770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3837.729770][ T7704] ___sys_sendmsg+0xee/0x170 [ 3837.729770][ T7704] __sys_sendmsg+0xcd/0x170 [ 3837.729770][ T7704] do_syscall_64+0xc6/0x1e0 [ 3837.729770][ T7704] [ 3837.731978][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3837.731978][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3837.731978][ T7704] ipv6_find_idev+0x102/0x170 [ 3837.731978][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3837.731978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3837.731978][ T7704] netlink_rcv_skb+0x130/0x360 [ 3837.731978][ T7704] netlink_unicast+0x449/0x710 [ 3837.731978][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3837.731978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3837.731978][ T7704] ___sys_sendmsg+0xee/0x170 [ 3837.731978][ T7704] __sys_sendmsg+0xcd/0x170 [ 3837.731978][ T7704] do_syscall_64+0xc6/0x1e0 [ 3837.731978][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3837.731978][ T7704] [ 3837.733711][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3837.733711][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3837.733711][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3837.733711][ T7704] ipv6_find_idev+0x102/0x170 [ 3837.733711][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3837.733711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3837.733711][ T7704] netlink_rcv_skb+0x130/0x360 [ 3837.733711][ T7704] netlink_unicast+0x449/0x710 [ 3837.733711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3837.733711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3837.733711][ T7704] ___sys_sendmsg+0xee/0x170 [ 3837.733711][ T7704] __sys_sendmsg+0xcd/0x170 [ 3837.733711][ T7704] do_syscall_64+0xc6/0x1e0 [ 3837.733711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3837.733711][ T7704] [ 3847.980830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3847.981240][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3847.981240][ T7704] netdev_get_by_index+0x5e/0x80 [ 3847.981240][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3847.981240][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3847.981240][ T7704] ip6_route_add+0x1c/0x140 [ 3847.981240][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3847.981240][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3847.981240][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3847.981240][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3847.981240][ T7704] netlink_rcv_skb+0x130/0x360 [ 3847.981240][ T7704] netlink_unicast+0x449/0x710 [ 3847.981240][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3847.981240][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3847.981240][ T7704] ___sys_sendmsg+0xee/0x170 [ 3847.981240][ T7704] __sys_sendmsg+0xcd/0x170 [ 3847.981240][ T7704] do_syscall_64+0xc6/0x1e0 [ 3847.981240][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3847.981240][ T7704] [ 3847.983530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3847.983530][ T7704] netdev_get_by_index+0x5e/0x80 [ 3847.983530][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3847.983530][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3847.983530][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3847.983530][ T7704] ipv6_add_addr+0x411/0x2000 [ 3847.983530][ T7704] inet6_addr_add+0x30e/0xa40 [ 3847.983530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3847.983530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3847.983530][ T7704] netlink_rcv_skb+0x130/0x360 [ 3847.983530][ T7704] netlink_unicast+0x449/0x710 [ 3847.983530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3847.983530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3847.983530][ T7704] ___sys_sendmsg+0xee/0x170 [ 3847.983530][ T7704] __sys_sendmsg+0xcd/0x170 [ 3847.983530][ T7704] do_syscall_64+0xc6/0x1e0 [ 3847.983530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3847.983530][ T7704] [ 3847.985765][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3847.985765][ T7704] netdev_get_by_index+0x5e/0x80 [ 3847.985765][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3847.985765][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3847.985765][ T7704] ip6_route_add+0x1c/0x140 [ 3847.985765][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3847.985765][ T7704] addrconf_add_dev+0xe2/0x170 [ 3847.985765][ T7704] inet6_addr_add+0x12f/0xa40 [ 3847.985765][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3847.985765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3847.985765][ T7704] netlink_rcv_skb+0x130/0x360 [ 3847.985765][ T7704] netlink_unicast+0x449/0x710 [ 3847.985765][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3847.985765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3847.985765][ T7704] ___sys_sendmsg+0xee/0x170 [ 3847.985765][ T7704] __sys_sendmsg+0xcd/0x170 [ 3847.985765][ T7704] do_syscall_64+0xc6/0x1e0 [ 3847.985765][ T7704] [ 3847.987972][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3847.987972][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3847.987972][ T7704] ipv6_find_idev+0x102/0x170 [ 3847.987972][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3847.987972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3847.987972][ T7704] netlink_rcv_skb+0x130/0x360 [ 3847.987972][ T7704] netlink_unicast+0x449/0x710 [ 3847.987972][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3847.987972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3847.987972][ T7704] ___sys_sendmsg+0xee/0x170 [ 3847.987972][ T7704] __sys_sendmsg+0xcd/0x170 [ 3847.987972][ T7704] do_syscall_64+0xc6/0x1e0 [ 3847.987972][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3847.987972][ T7704] [ 3847.989690][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3847.989690][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3847.989690][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3847.989690][ T7704] ipv6_find_idev+0x102/0x170 [ 3847.989690][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3847.989690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3847.989690][ T7704] netlink_rcv_skb+0x130/0x360 [ 3847.989690][ T7704] netlink_unicast+0x449/0x710 [ 3847.989690][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3847.989690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3847.989690][ T7704] ___sys_sendmsg+0xee/0x170 [ 3847.989690][ T7704] __sys_sendmsg+0xcd/0x170 [ 3847.989690][ T7704] do_syscall_64+0xc6/0x1e0 [ 3847.989690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3847.989690][ T7704] [ 3858.052773][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3858.053191][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3858.053191][ T7704] netdev_get_by_index+0x5e/0x80 [ 3858.053191][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3858.053191][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3858.053191][ T7704] ip6_route_add+0x1c/0x140 [ 3858.053191][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3858.053191][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3858.053191][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3858.053191][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3858.053191][ T7704] netlink_rcv_skb+0x130/0x360 [ 3858.053191][ T7704] netlink_unicast+0x449/0x710 [ 3858.053191][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3858.053191][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3858.053191][ T7704] ___sys_sendmsg+0xee/0x170 [ 3858.053191][ T7704] __sys_sendmsg+0xcd/0x170 [ 3858.053191][ T7704] do_syscall_64+0xc6/0x1e0 [ 3858.053191][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3858.053191][ T7704] [ 3858.055414][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3858.055414][ T7704] netdev_get_by_index+0x5e/0x80 [ 3858.055414][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3858.055414][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3858.055414][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3858.055414][ T7704] ipv6_add_addr+0x411/0x2000 [ 3858.055414][ T7704] inet6_addr_add+0x30e/0xa40 [ 3858.055414][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3858.055414][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3858.055414][ T7704] netlink_rcv_skb+0x130/0x360 [ 3858.055414][ T7704] netlink_unicast+0x449/0x710 [ 3858.055414][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3858.055414][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3858.055414][ T7704] ___sys_sendmsg+0xee/0x170 [ 3858.055414][ T7704] __sys_sendmsg+0xcd/0x170 [ 3858.055414][ T7704] do_syscall_64+0xc6/0x1e0 [ 3858.055414][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3858.055414][ T7704] [ 3858.057659][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3858.057659][ T7704] netdev_get_by_index+0x5e/0x80 [ 3858.057659][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3858.057659][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3858.057659][ T7704] ip6_route_add+0x1c/0x140 [ 3858.057659][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3858.057659][ T7704] addrconf_add_dev+0xe2/0x170 [ 3858.057659][ T7704] inet6_addr_add+0x12f/0xa40 [ 3858.057659][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3858.057659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3858.057659][ T7704] netlink_rcv_skb+0x130/0x360 [ 3858.057659][ T7704] netlink_unicast+0x449/0x710 [ 3858.057659][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3858.057659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3858.057659][ T7704] ___sys_sendmsg+0xee/0x170 [ 3858.057659][ T7704] __sys_sendmsg+0xcd/0x170 [ 3858.057659][ T7704] do_syscall_64+0xc6/0x1e0 [ 3858.057659][ T7704] [ 3858.059840][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3858.059840][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3858.059840][ T7704] ipv6_find_idev+0x102/0x170 [ 3858.059840][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3858.059840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3858.059840][ T7704] netlink_rcv_skb+0x130/0x360 [ 3858.059840][ T7704] netlink_unicast+0x449/0x710 [ 3858.059840][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3858.059840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3858.059840][ T7704] ___sys_sendmsg+0xee/0x170 [ 3858.059840][ T7704] __sys_sendmsg+0xcd/0x170 [ 3858.059840][ T7704] do_syscall_64+0xc6/0x1e0 [ 3858.059840][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3858.059840][ T7704] [ 3858.061547][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3858.061547][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3858.061547][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3858.061547][ T7704] ipv6_find_idev+0x102/0x170 [ 3858.061547][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3858.061547][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3858.061547][ T7704] netlink_rcv_skb+0x130/0x360 [ 3858.061547][ T7704] netlink_unicast+0x449/0x710 [ 3858.061547][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3858.061547][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3858.061547][ T7704] ___sys_sendmsg+0xee/0x170 [ 3858.061547][ T7704] __sys_sendmsg+0xcd/0x170 [ 3858.061547][ T7704] do_syscall_64+0xc6/0x1e0 [ 3858.061547][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3858.061547][ T7704] [ 3868.300847][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3868.301264][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3868.301264][ T7704] netdev_get_by_index+0x5e/0x80 [ 3868.301264][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3868.301264][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3868.301264][ T7704] ip6_route_add+0x1c/0x140 [ 3868.301264][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3868.301264][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3868.301264][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3868.301264][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3868.301264][ T7704] netlink_rcv_skb+0x130/0x360 [ 3868.301264][ T7704] netlink_unicast+0x449/0x710 [ 3868.301264][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3868.301264][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3868.301264][ T7704] ___sys_sendmsg+0xee/0x170 [ 3868.301264][ T7704] __sys_sendmsg+0xcd/0x170 [ 3868.301264][ T7704] do_syscall_64+0xc6/0x1e0 [ 3868.301264][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3868.301264][ T7704] [ 3868.303553][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3868.303553][ T7704] netdev_get_by_index+0x5e/0x80 [ 3868.303553][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3868.303553][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3868.303553][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3868.303553][ T7704] ipv6_add_addr+0x411/0x2000 [ 3868.303553][ T7704] inet6_addr_add+0x30e/0xa40 [ 3868.303553][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3868.303553][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3868.303553][ T7704] netlink_rcv_skb+0x130/0x360 [ 3868.303553][ T7704] netlink_unicast+0x449/0x710 [ 3868.303553][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3868.303553][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3868.303553][ T7704] ___sys_sendmsg+0xee/0x170 [ 3868.303553][ T7704] __sys_sendmsg+0xcd/0x170 [ 3868.303553][ T7704] do_syscall_64+0xc6/0x1e0 [ 3868.303553][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3868.303553][ T7704] [ 3868.305785][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3868.305785][ T7704] netdev_get_by_index+0x5e/0x80 [ 3868.305785][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3868.305785][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3868.305785][ T7704] ip6_route_add+0x1c/0x140 [ 3868.305785][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3868.305785][ T7704] addrconf_add_dev+0xe2/0x170 [ 3868.305785][ T7704] inet6_addr_add+0x12f/0xa40 [ 3868.305785][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3868.305785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3868.305785][ T7704] netlink_rcv_skb+0x130/0x360 [ 3868.305785][ T7704] netlink_unicast+0x449/0x710 [ 3868.305785][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3868.305785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3868.305785][ T7704] ___sys_sendmsg+0xee/0x170 [ 3868.305785][ T7704] __sys_sendmsg+0xcd/0x170 [ 3868.305785][ T7704] do_syscall_64+0xc6/0x1e0 [ 3868.305785][ T7704] [ 3868.307981][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3868.307981][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3868.307981][ T7704] ipv6_find_idev+0x102/0x170 [ 3868.307981][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3868.307981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3868.307981][ T7704] netlink_rcv_skb+0x130/0x360 [ 3868.307981][ T7704] netlink_unicast+0x449/0x710 [ 3868.307981][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3868.307981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3868.307981][ T7704] ___sys_sendmsg+0xee/0x170 [ 3868.307981][ T7704] __sys_sendmsg+0xcd/0x170 [ 3868.307981][ T7704] do_syscall_64+0xc6/0x1e0 [ 3868.307981][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3868.307981][ T7704] [ 3868.309701][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3868.309701][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3868.309701][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3868.309701][ T7704] ipv6_find_idev+0x102/0x170 [ 3868.309701][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3868.309701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3868.309701][ T7704] netlink_rcv_skb+0x130/0x360 [ 3868.309701][ T7704] netlink_unicast+0x449/0x710 [ 3868.309701][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3868.309701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3868.309701][ T7704] ___sys_sendmsg+0xee/0x170 [ 3868.309701][ T7704] __sys_sendmsg+0xcd/0x170 [ 3868.309701][ T7704] do_syscall_64+0xc6/0x1e0 [ 3868.309701][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3868.309701][ T7704] [ 3878.332779][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3878.333244][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3878.333244][ T7704] netdev_get_by_index+0x5e/0x80 [ 3878.333244][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3878.333244][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3878.333244][ T7704] ip6_route_add+0x1c/0x140 [ 3878.333244][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3878.333244][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3878.333244][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3878.333244][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3878.333244][ T7704] netlink_rcv_skb+0x130/0x360 [ 3878.333244][ T7704] netlink_unicast+0x449/0x710 [ 3878.333244][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3878.333244][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3878.333244][ T7704] ___sys_sendmsg+0xee/0x170 [ 3878.333244][ T7704] __sys_sendmsg+0xcd/0x170 [ 3878.333244][ T7704] do_syscall_64+0xc6/0x1e0 [ 3878.333244][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3878.333244][ T7704] [ 3878.335499][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3878.335499][ T7704] netdev_get_by_index+0x5e/0x80 [ 3878.335499][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3878.335499][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3878.335499][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3878.335499][ T7704] ipv6_add_addr+0x411/0x2000 [ 3878.335499][ T7704] inet6_addr_add+0x30e/0xa40 [ 3878.335499][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3878.335499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3878.335499][ T7704] netlink_rcv_skb+0x130/0x360 [ 3878.335499][ T7704] netlink_unicast+0x449/0x710 [ 3878.335499][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3878.335499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3878.335499][ T7704] ___sys_sendmsg+0xee/0x170 [ 3878.335499][ T7704] __sys_sendmsg+0xcd/0x170 [ 3878.335499][ T7704] do_syscall_64+0xc6/0x1e0 [ 3878.335499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3878.335499][ T7704] [ 3878.337717][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3878.337717][ T7704] netdev_get_by_index+0x5e/0x80 [ 3878.337717][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3878.337717][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3878.337717][ T7704] ip6_route_add+0x1c/0x140 [ 3878.337717][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3878.337717][ T7704] addrconf_add_dev+0xe2/0x170 [ 3878.337717][ T7704] inet6_addr_add+0x12f/0xa40 [ 3878.337717][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3878.337717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3878.337717][ T7704] netlink_rcv_skb+0x130/0x360 [ 3878.337717][ T7704] netlink_unicast+0x449/0x710 [ 3878.337717][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3878.337717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3878.337717][ T7704] ___sys_sendmsg+0xee/0x170 [ 3878.337717][ T7704] __sys_sendmsg+0xcd/0x170 [ 3878.337717][ T7704] do_syscall_64+0xc6/0x1e0 [ 3878.337717][ T7704] [ 3878.339918][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3878.339918][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3878.339918][ T7704] ipv6_find_idev+0x102/0x170 [ 3878.339918][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3878.339918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3878.339918][ T7704] netlink_rcv_skb+0x130/0x360 [ 3878.339918][ T7704] netlink_unicast+0x449/0x710 [ 3878.339918][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3878.339918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3878.339918][ T7704] ___sys_sendmsg+0xee/0x170 [ 3878.339918][ T7704] __sys_sendmsg+0xcd/0x170 [ 3878.339918][ T7704] do_syscall_64+0xc6/0x1e0 [ 3878.339918][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3878.339918][ T7704] [ 3878.341627][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3878.341627][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3878.341627][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3878.341627][ T7704] ipv6_find_idev+0x102/0x170 [ 3878.341627][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3878.341627][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3878.341627][ T7704] netlink_rcv_skb+0x130/0x360 [ 3878.341627][ T7704] netlink_unicast+0x449/0x710 [ 3878.341627][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3878.341627][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3878.341627][ T7704] ___sys_sendmsg+0xee/0x170 [ 3878.341627][ T7704] __sys_sendmsg+0xcd/0x170 [ 3878.341627][ T7704] do_syscall_64+0xc6/0x1e0 [ 3878.341627][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3878.341627][ T7704] [ 3888.444752][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3888.445170][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3888.445170][ T7704] netdev_get_by_index+0x5e/0x80 [ 3888.445170][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3888.445170][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3888.445170][ T7704] ip6_route_add+0x1c/0x140 [ 3888.445170][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3888.445170][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3888.445170][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3888.445170][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3888.445170][ T7704] netlink_rcv_skb+0x130/0x360 [ 3888.445170][ T7704] netlink_unicast+0x449/0x710 [ 3888.445170][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3888.445170][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3888.445170][ T7704] ___sys_sendmsg+0xee/0x170 [ 3888.445170][ T7704] __sys_sendmsg+0xcd/0x170 [ 3888.445170][ T7704] do_syscall_64+0xc6/0x1e0 [ 3888.445170][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3888.445170][ T7704] [ 3888.447418][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3888.447418][ T7704] netdev_get_by_index+0x5e/0x80 [ 3888.447418][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3888.447418][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3888.447418][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3888.447418][ T7704] ipv6_add_addr+0x411/0x2000 [ 3888.447418][ T7704] inet6_addr_add+0x30e/0xa40 [ 3888.447418][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3888.447418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3888.447418][ T7704] netlink_rcv_skb+0x130/0x360 [ 3888.447418][ T7704] netlink_unicast+0x449/0x710 [ 3888.447418][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3888.447418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3888.447418][ T7704] ___sys_sendmsg+0xee/0x170 [ 3888.447418][ T7704] __sys_sendmsg+0xcd/0x170 [ 3888.447418][ T7704] do_syscall_64+0xc6/0x1e0 [ 3888.447418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3888.447418][ T7704] [ 3888.449641][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3888.449641][ T7704] netdev_get_by_index+0x5e/0x80 [ 3888.449641][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3888.449641][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3888.449641][ T7704] ip6_route_add+0x1c/0x140 [ 3888.449641][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3888.449641][ T7704] addrconf_add_dev+0xe2/0x170 [ 3888.449641][ T7704] inet6_addr_add+0x12f/0xa40 [ 3888.449641][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3888.449641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3888.449641][ T7704] netlink_rcv_skb+0x130/0x360 [ 3888.449641][ T7704] netlink_unicast+0x449/0x710 [ 3888.449641][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3888.449641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3888.449641][ T7704] ___sys_sendmsg+0xee/0x170 [ 3888.449641][ T7704] __sys_sendmsg+0xcd/0x170 [ 3888.449641][ T7704] do_syscall_64+0xc6/0x1e0 [ 3888.449641][ T7704] [ 3888.451814][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3888.451814][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3888.451814][ T7704] ipv6_find_idev+0x102/0x170 [ 3888.451814][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3888.451814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3888.451814][ T7704] netlink_rcv_skb+0x130/0x360 [ 3888.451814][ T7704] netlink_unicast+0x449/0x710 [ 3888.451814][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3888.451814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3888.451814][ T7704] ___sys_sendmsg+0xee/0x170 [ 3888.451814][ T7704] __sys_sendmsg+0xcd/0x170 [ 3888.451814][ T7704] do_syscall_64+0xc6/0x1e0 [ 3888.451814][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3888.451814][ T7704] [ 3888.454102][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3888.454102][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3888.454102][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3888.454102][ T7704] ipv6_find_idev+0x102/0x170 [ 3888.454102][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3888.454102][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3888.454102][ T7704] netlink_rcv_skb+0x130/0x360 [ 3888.454102][ T7704] netlink_unicast+0x449/0x710 [ 3888.454102][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3888.454102][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3888.454102][ T7704] ___sys_sendmsg+0xee/0x170 [ 3888.454102][ T7704] __sys_sendmsg+0xcd/0x170 [ 3888.454102][ T7704] do_syscall_64+0xc6/0x1e0 [ 3888.454102][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3888.454102][ T7704] [ 3898.492773][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3898.493189][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3898.493189][ T7704] netdev_get_by_index+0x5e/0x80 [ 3898.493189][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3898.493189][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3898.493189][ T7704] ip6_route_add+0x1c/0x140 [ 3898.493189][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3898.493189][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3898.493189][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3898.493189][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3898.493189][ T7704] netlink_rcv_skb+0x130/0x360 [ 3898.493189][ T7704] netlink_unicast+0x449/0x710 [ 3898.493189][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3898.493189][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3898.493189][ T7704] ___sys_sendmsg+0xee/0x170 [ 3898.493189][ T7704] __sys_sendmsg+0xcd/0x170 [ 3898.493189][ T7704] do_syscall_64+0xc6/0x1e0 [ 3898.493189][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3898.493189][ T7704] [ 3898.495423][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3898.495423][ T7704] netdev_get_by_index+0x5e/0x80 [ 3898.495423][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3898.495423][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3898.495423][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3898.495423][ T7704] ipv6_add_addr+0x411/0x2000 [ 3898.495423][ T7704] inet6_addr_add+0x30e/0xa40 [ 3898.495423][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3898.495423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3898.495423][ T7704] netlink_rcv_skb+0x130/0x360 [ 3898.495423][ T7704] netlink_unicast+0x449/0x710 [ 3898.495423][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3898.495423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3898.495423][ T7704] ___sys_sendmsg+0xee/0x170 [ 3898.495423][ T7704] __sys_sendmsg+0xcd/0x170 [ 3898.495423][ T7704] do_syscall_64+0xc6/0x1e0 [ 3898.495423][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3898.495423][ T7704] [ 3898.497645][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3898.497645][ T7704] netdev_get_by_index+0x5e/0x80 [ 3898.497645][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3898.497645][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3898.497645][ T7704] ip6_route_add+0x1c/0x140 [ 3898.497645][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3898.497645][ T7704] addrconf_add_dev+0xe2/0x170 [ 3898.497645][ T7704] inet6_addr_add+0x12f/0xa40 [ 3898.497645][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3898.497645][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3898.497645][ T7704] netlink_rcv_skb+0x130/0x360 [ 3898.497645][ T7704] netlink_unicast+0x449/0x710 [ 3898.497645][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3898.497645][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3898.497645][ T7704] ___sys_sendmsg+0xee/0x170 [ 3898.497645][ T7704] __sys_sendmsg+0xcd/0x170 [ 3898.497645][ T7704] do_syscall_64+0xc6/0x1e0 [ 3898.497645][ T7704] [ 3898.500223][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3898.500223][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3898.500223][ T7704] ipv6_find_idev+0x102/0x170 [ 3898.500223][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3898.500223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3898.500223][ T7704] netlink_rcv_skb+0x130/0x360 [ 3898.500223][ T7704] netlink_unicast+0x449/0x710 [ 3898.500223][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3898.500223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3898.500223][ T7704] ___sys_sendmsg+0xee/0x170 [ 3898.500223][ T7704] __sys_sendmsg+0xcd/0x170 [ 3898.500223][ T7704] do_syscall_64+0xc6/0x1e0 [ 3898.500223][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3898.500223][ T7704] [ 3898.501930][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3898.501930][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3898.501930][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3898.501930][ T7704] ipv6_find_idev+0x102/0x170 [ 3898.501930][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3898.501930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3898.501930][ T7704] netlink_rcv_skb+0x130/0x360 [ 3898.501930][ T7704] netlink_unicast+0x449/0x710 [ 3898.501930][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3898.501930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3898.501930][ T7704] ___sys_sendmsg+0xee/0x170 [ 3898.501930][ T7704] __sys_sendmsg+0xcd/0x170 [ 3898.501930][ T7704] do_syscall_64+0xc6/0x1e0 [ 3898.501930][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3898.501930][ T7704] [ 3908.636817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3908.637229][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3908.637229][ T7704] netdev_get_by_index+0x5e/0x80 [ 3908.637229][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3908.637229][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3908.637229][ T7704] ip6_route_add+0x1c/0x140 [ 3908.637229][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3908.637229][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3908.637229][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3908.637229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3908.637229][ T7704] netlink_rcv_skb+0x130/0x360 [ 3908.637229][ T7704] netlink_unicast+0x449/0x710 [ 3908.637229][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3908.637229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3908.637229][ T7704] ___sys_sendmsg+0xee/0x170 [ 3908.637229][ T7704] __sys_sendmsg+0xcd/0x170 [ 3908.637229][ T7704] do_syscall_64+0xc6/0x1e0 [ 3908.637229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3908.637229][ T7704] [ 3908.639466][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3908.639466][ T7704] netdev_get_by_index+0x5e/0x80 [ 3908.639466][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3908.639466][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3908.639466][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3908.639466][ T7704] ipv6_add_addr+0x411/0x2000 [ 3908.639466][ T7704] inet6_addr_add+0x30e/0xa40 [ 3908.639466][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3908.639466][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3908.639466][ T7704] netlink_rcv_skb+0x130/0x360 [ 3908.639466][ T7704] netlink_unicast+0x449/0x710 [ 3908.639466][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3908.639466][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3908.639466][ T7704] ___sys_sendmsg+0xee/0x170 [ 3908.639466][ T7704] __sys_sendmsg+0xcd/0x170 [ 3908.639466][ T7704] do_syscall_64+0xc6/0x1e0 [ 3908.639466][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3908.639466][ T7704] [ 3908.641687][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3908.641687][ T7704] netdev_get_by_index+0x5e/0x80 [ 3908.641687][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3908.641687][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3908.641687][ T7704] ip6_route_add+0x1c/0x140 [ 3908.641687][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3908.641687][ T7704] addrconf_add_dev+0xe2/0x170 [ 3908.641687][ T7704] inet6_addr_add+0x12f/0xa40 [ 3908.641687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3908.641687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3908.641687][ T7704] netlink_rcv_skb+0x130/0x360 [ 3908.641687][ T7704] netlink_unicast+0x449/0x710 [ 3908.641687][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3908.641687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3908.641687][ T7704] ___sys_sendmsg+0xee/0x170 [ 3908.641687][ T7704] __sys_sendmsg+0xcd/0x170 [ 3908.641687][ T7704] do_syscall_64+0xc6/0x1e0 [ 3908.641687][ T7704] [ 3908.643948][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3908.643948][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3908.643948][ T7704] ipv6_find_idev+0x102/0x170 [ 3908.643948][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3908.643948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3908.643948][ T7704] netlink_rcv_skb+0x130/0x360 [ 3908.643948][ T7704] netlink_unicast+0x449/0x710 [ 3908.643948][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3908.643948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3908.643948][ T7704] ___sys_sendmsg+0xee/0x170 [ 3908.643948][ T7704] __sys_sendmsg+0xcd/0x170 [ 3908.643948][ T7704] do_syscall_64+0xc6/0x1e0 [ 3908.643948][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3908.643948][ T7704] [ 3908.645655][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3908.645655][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3908.645655][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3908.645655][ T7704] ipv6_find_idev+0x102/0x170 [ 3908.645655][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3908.645655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3908.645655][ T7704] netlink_rcv_skb+0x130/0x360 [ 3908.645655][ T7704] netlink_unicast+0x449/0x710 [ 3908.645655][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3908.645655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3908.645655][ T7704] ___sys_sendmsg+0xee/0x170 [ 3908.645655][ T7704] __sys_sendmsg+0xcd/0x170 [ 3908.645655][ T7704] do_syscall_64+0xc6/0x1e0 [ 3908.645655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3908.645655][ T7704] [ 3918.660879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3918.661297][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3918.661297][ T7704] netdev_get_by_index+0x5e/0x80 [ 3918.661297][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3918.661297][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3918.661297][ T7704] ip6_route_add+0x1c/0x140 [ 3918.661297][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3918.661297][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3918.661297][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3918.661297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3918.661297][ T7704] netlink_rcv_skb+0x130/0x360 [ 3918.661297][ T7704] netlink_unicast+0x449/0x710 [ 3918.661297][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3918.661297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3918.661297][ T7704] ___sys_sendmsg+0xee/0x170 [ 3918.661297][ T7704] __sys_sendmsg+0xcd/0x170 [ 3918.661297][ T7704] do_syscall_64+0xc6/0x1e0 [ 3918.661297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3918.661297][ T7704] [ 3918.663586][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3918.663586][ T7704] netdev_get_by_index+0x5e/0x80 [ 3918.663586][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3918.663586][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3918.663586][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3918.663586][ T7704] ipv6_add_addr+0x411/0x2000 [ 3918.663586][ T7704] inet6_addr_add+0x30e/0xa40 [ 3918.663586][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3918.663586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3918.663586][ T7704] netlink_rcv_skb+0x130/0x360 [ 3918.663586][ T7704] netlink_unicast+0x449/0x710 [ 3918.663586][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3918.663586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3918.663586][ T7704] ___sys_sendmsg+0xee/0x170 [ 3918.663586][ T7704] __sys_sendmsg+0xcd/0x170 [ 3918.663586][ T7704] do_syscall_64+0xc6/0x1e0 [ 3918.663586][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3918.663586][ T7704] [ 3918.665837][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3918.665837][ T7704] netdev_get_by_index+0x5e/0x80 [ 3918.665837][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3918.665837][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3918.665837][ T7704] ip6_route_add+0x1c/0x140 [ 3918.665837][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3918.665837][ T7704] addrconf_add_dev+0xe2/0x170 [ 3918.665837][ T7704] inet6_addr_add+0x12f/0xa40 [ 3918.665837][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3918.665837][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3918.665837][ T7704] netlink_rcv_skb+0x130/0x360 [ 3918.665837][ T7704] netlink_unicast+0x449/0x710 [ 3918.665837][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3918.665837][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3918.665837][ T7704] ___sys_sendmsg+0xee/0x170 [ 3918.665837][ T7704] __sys_sendmsg+0xcd/0x170 [ 3918.665837][ T7704] do_syscall_64+0xc6/0x1e0 [ 3918.665837][ T7704] [ 3918.668035][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3918.668035][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3918.668035][ T7704] ipv6_find_idev+0x102/0x170 [ 3918.668035][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3918.668035][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3918.668035][ T7704] netlink_rcv_skb+0x130/0x360 [ 3918.668035][ T7704] netlink_unicast+0x449/0x710 [ 3918.668035][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3918.668035][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3918.668035][ T7704] ___sys_sendmsg+0xee/0x170 [ 3918.668035][ T7704] __sys_sendmsg+0xcd/0x170 [ 3918.668035][ T7704] do_syscall_64+0xc6/0x1e0 [ 3918.668035][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3918.668035][ T7704] [ 3918.669731][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3918.669731][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3918.669731][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3918.669731][ T7704] ipv6_find_idev+0x102/0x170 [ 3918.669731][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3918.669731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3918.669731][ T7704] netlink_rcv_skb+0x130/0x360 [ 3918.669731][ T7704] netlink_unicast+0x449/0x710 [ 3918.669731][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3918.669731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3918.669731][ T7704] ___sys_sendmsg+0xee/0x170 [ 3918.669731][ T7704] __sys_sendmsg+0xcd/0x170 [ 3918.669731][ T7704] do_syscall_64+0xc6/0x1e0 [ 3918.669731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3918.669731][ T7704] [ 3928.908822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3928.909264][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3928.909264][ T7704] netdev_get_by_index+0x5e/0x80 [ 3928.909264][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3928.909264][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3928.909264][ T7704] ip6_route_add+0x1c/0x140 [ 3928.909264][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3928.909264][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3928.909264][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3928.909264][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3928.909264][ T7704] netlink_rcv_skb+0x130/0x360 [ 3928.909264][ T7704] netlink_unicast+0x449/0x710 [ 3928.909264][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3928.909264][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3928.909264][ T7704] ___sys_sendmsg+0xee/0x170 [ 3928.909264][ T7704] __sys_sendmsg+0xcd/0x170 [ 3928.909264][ T7704] do_syscall_64+0xc6/0x1e0 [ 3928.909264][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3928.909264][ T7704] [ 3928.911527][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3928.911527][ T7704] netdev_get_by_index+0x5e/0x80 [ 3928.911527][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3928.911527][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3928.911527][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3928.911527][ T7704] ipv6_add_addr+0x411/0x2000 [ 3928.911527][ T7704] inet6_addr_add+0x30e/0xa40 [ 3928.911527][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3928.911527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3928.911527][ T7704] netlink_rcv_skb+0x130/0x360 [ 3928.911527][ T7704] netlink_unicast+0x449/0x710 [ 3928.911527][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3928.911527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3928.911527][ T7704] ___sys_sendmsg+0xee/0x170 [ 3928.911527][ T7704] __sys_sendmsg+0xcd/0x170 [ 3928.911527][ T7704] do_syscall_64+0xc6/0x1e0 [ 3928.911527][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3928.911527][ T7704] [ 3928.913833][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3928.913833][ T7704] netdev_get_by_index+0x5e/0x80 [ 3928.913833][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3928.913833][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3928.913833][ T7704] ip6_route_add+0x1c/0x140 [ 3928.913833][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3928.913833][ T7704] addrconf_add_dev+0xe2/0x170 [ 3928.913833][ T7704] inet6_addr_add+0x12f/0xa40 [ 3928.913833][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3928.913833][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3928.913833][ T7704] netlink_rcv_skb+0x130/0x360 [ 3928.913833][ T7704] netlink_unicast+0x449/0x710 [ 3928.913833][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3928.913833][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3928.913833][ T7704] ___sys_sendmsg+0xee/0x170 [ 3928.913833][ T7704] __sys_sendmsg+0xcd/0x170 [ 3928.913833][ T7704] do_syscall_64+0xc6/0x1e0 [ 3928.913833][ T7704] [ 3928.916043][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3928.916043][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3928.916043][ T7704] ipv6_find_idev+0x102/0x170 [ 3928.916043][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3928.916043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3928.916043][ T7704] netlink_rcv_skb+0x130/0x360 [ 3928.916043][ T7704] netlink_unicast+0x449/0x710 [ 3928.916043][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3928.916043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3928.916043][ T7704] ___sys_sendmsg+0xee/0x170 [ 3928.916043][ T7704] __sys_sendmsg+0xcd/0x170 [ 3928.916043][ T7704] do_syscall_64+0xc6/0x1e0 [ 3928.916043][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3928.916043][ T7704] [ 3928.917783][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3928.917783][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3928.917783][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3928.917783][ T7704] ipv6_find_idev+0x102/0x170 [ 3928.917783][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3928.917783][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3928.917783][ T7704] netlink_rcv_skb+0x130/0x360 [ 3928.917783][ T7704] netlink_unicast+0x449/0x710 [ 3928.917783][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3928.917783][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3928.917783][ T7704] ___sys_sendmsg+0xee/0x170 [ 3928.917783][ T7704] __sys_sendmsg+0xcd/0x170 [ 3928.917783][ T7704] do_syscall_64+0xc6/0x1e0 [ 3928.917783][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3928.917783][ T7704] [ 3939.092796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3939.093252][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3939.093252][ T7704] netdev_get_by_index+0x5e/0x80 [ 3939.093252][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3939.093252][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3939.093252][ T7704] ip6_route_add+0x1c/0x140 [ 3939.093252][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3939.093252][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3939.093252][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3939.093252][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3939.093252][ T7704] netlink_rcv_skb+0x130/0x360 [ 3939.093252][ T7704] netlink_unicast+0x449/0x710 [ 3939.093252][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3939.093252][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3939.093252][ T7704] ___sys_sendmsg+0xee/0x170 [ 3939.093252][ T7704] __sys_sendmsg+0xcd/0x170 [ 3939.093252][ T7704] do_syscall_64+0xc6/0x1e0 [ 3939.093252][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3939.093252][ T7704] [ 3939.095615][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3939.095615][ T7704] netdev_get_by_index+0x5e/0x80 [ 3939.095615][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3939.095615][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3939.095615][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3939.095615][ T7704] ipv6_add_addr+0x411/0x2000 [ 3939.095615][ T7704] inet6_addr_add+0x30e/0xa40 [ 3939.095615][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3939.095615][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3939.095615][ T7704] netlink_rcv_skb+0x130/0x360 [ 3939.095615][ T7704] netlink_unicast+0x449/0x710 [ 3939.095615][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3939.095615][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3939.095615][ T7704] ___sys_sendmsg+0xee/0x170 [ 3939.095615][ T7704] __sys_sendmsg+0xcd/0x170 [ 3939.095615][ T7704] do_syscall_64+0xc6/0x1e0 [ 3939.095615][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3939.095615][ T7704] [ 3939.097984][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3939.097984][ T7704] netdev_get_by_index+0x5e/0x80 [ 3939.097984][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3939.097984][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3939.097984][ T7704] ip6_route_add+0x1c/0x140 [ 3939.097984][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3939.097984][ T7704] addrconf_add_dev+0xe2/0x170 [ 3939.097984][ T7704] inet6_addr_add+0x12f/0xa40 [ 3939.097984][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3939.097984][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3939.097984][ T7704] netlink_rcv_skb+0x130/0x360 [ 3939.097984][ T7704] netlink_unicast+0x449/0x710 [ 3939.097984][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3939.097984][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3939.097984][ T7704] ___sys_sendmsg+0xee/0x170 [ 3939.097984][ T7704] __sys_sendmsg+0xcd/0x170 [ 3939.097984][ T7704] do_syscall_64+0xc6/0x1e0 [ 3939.097984][ T7704] [ 3939.100294][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3939.100294][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3939.100294][ T7704] ipv6_find_idev+0x102/0x170 [ 3939.100294][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3939.100294][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3939.100294][ T7704] netlink_rcv_skb+0x130/0x360 [ 3939.100294][ T7704] netlink_unicast+0x449/0x710 [ 3939.100294][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3939.100294][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3939.100294][ T7704] ___sys_sendmsg+0xee/0x170 [ 3939.100294][ T7704] __sys_sendmsg+0xcd/0x170 [ 3939.100294][ T7704] do_syscall_64+0xc6/0x1e0 [ 3939.100294][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3939.100294][ T7704] [ 3939.102055][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3939.102055][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3939.102055][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3939.102055][ T7704] ipv6_find_idev+0x102/0x170 [ 3939.102055][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3939.102055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3939.102055][ T7704] netlink_rcv_skb+0x130/0x360 [ 3939.102055][ T7704] netlink_unicast+0x449/0x710 [ 3939.102055][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3939.102055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3939.102055][ T7704] ___sys_sendmsg+0xee/0x170 [ 3939.102055][ T7704] __sys_sendmsg+0xcd/0x170 [ 3939.102055][ T7704] do_syscall_64+0xc6/0x1e0 [ 3939.102055][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3939.102055][ T7704] [ 3949.236795][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3949.237299][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3949.237299][ T7704] netdev_get_by_index+0x5e/0x80 [ 3949.237299][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3949.237299][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3949.237299][ T7704] ip6_route_add+0x1c/0x140 [ 3949.237299][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3949.237299][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3949.237299][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3949.237299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3949.237299][ T7704] netlink_rcv_skb+0x130/0x360 [ 3949.237299][ T7704] netlink_unicast+0x449/0x710 [ 3949.237299][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3949.237299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3949.237299][ T7704] ___sys_sendmsg+0xee/0x170 [ 3949.237299][ T7704] __sys_sendmsg+0xcd/0x170 [ 3949.237299][ T7704] do_syscall_64+0xc6/0x1e0 [ 3949.237299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3949.237299][ T7704] [ 3949.239534][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3949.239534][ T7704] netdev_get_by_index+0x5e/0x80 [ 3949.239534][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3949.239534][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3949.239534][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3949.239534][ T7704] ipv6_add_addr+0x411/0x2000 [ 3949.239534][ T7704] inet6_addr_add+0x30e/0xa40 [ 3949.239534][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3949.239534][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3949.239534][ T7704] netlink_rcv_skb+0x130/0x360 [ 3949.239534][ T7704] netlink_unicast+0x449/0x710 [ 3949.239534][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3949.239534][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3949.239534][ T7704] ___sys_sendmsg+0xee/0x170 [ 3949.239534][ T7704] __sys_sendmsg+0xcd/0x170 [ 3949.239534][ T7704] do_syscall_64+0xc6/0x1e0 [ 3949.239534][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3949.239534][ T7704] [ 3949.241759][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3949.241759][ T7704] netdev_get_by_index+0x5e/0x80 [ 3949.241759][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3949.241759][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3949.241759][ T7704] ip6_route_add+0x1c/0x140 [ 3949.241759][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3949.241759][ T7704] addrconf_add_dev+0xe2/0x170 [ 3949.241759][ T7704] inet6_addr_add+0x12f/0xa40 [ 3949.241759][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3949.241759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3949.241759][ T7704] netlink_rcv_skb+0x130/0x360 [ 3949.241759][ T7704] netlink_unicast+0x449/0x710 [ 3949.241759][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3949.241759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3949.241759][ T7704] ___sys_sendmsg+0xee/0x170 [ 3949.241759][ T7704] __sys_sendmsg+0xcd/0x170 [ 3949.241759][ T7704] do_syscall_64+0xc6/0x1e0 [ 3949.241759][ T7704] [ 3949.243935][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3949.243935][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3949.243935][ T7704] ipv6_find_idev+0x102/0x170 [ 3949.243935][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3949.243935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3949.243935][ T7704] netlink_rcv_skb+0x130/0x360 [ 3949.243935][ T7704] netlink_unicast+0x449/0x710 [ 3949.243935][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3949.243935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3949.243935][ T7704] ___sys_sendmsg+0xee/0x170 [ 3949.243935][ T7704] __sys_sendmsg+0xcd/0x170 [ 3949.243935][ T7704] do_syscall_64+0xc6/0x1e0 [ 3949.243935][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3949.243935][ T7704] [ 3949.245633][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3949.245633][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3949.245633][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3949.245633][ T7704] ipv6_find_idev+0x102/0x170 [ 3949.245633][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3949.245633][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3949.245633][ T7704] netlink_rcv_skb+0x130/0x360 [ 3949.245633][ T7704] netlink_unicast+0x449/0x710 [ 3949.245633][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3949.245633][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3949.245633][ T7704] ___sys_sendmsg+0xee/0x170 [ 3949.245633][ T7704] __sys_sendmsg+0xcd/0x170 [ 3949.245633][ T7704] do_syscall_64+0xc6/0x1e0 [ 3949.245633][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3949.245633][ T7704] [ 3959.356723][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3959.357151][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3959.357151][ T7704] netdev_get_by_index+0x5e/0x80 [ 3959.357151][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3959.357151][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3959.357151][ T7704] ip6_route_add+0x1c/0x140 [ 3959.357151][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3959.357151][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3959.357151][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3959.357151][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3959.357151][ T7704] netlink_rcv_skb+0x130/0x360 [ 3959.357151][ T7704] netlink_unicast+0x449/0x710 [ 3959.357151][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3959.357151][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3959.357151][ T7704] ___sys_sendmsg+0xee/0x170 [ 3959.357151][ T7704] __sys_sendmsg+0xcd/0x170 [ 3959.357151][ T7704] do_syscall_64+0xc6/0x1e0 [ 3959.357151][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3959.357151][ T7704] [ 3959.359413][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3959.359413][ T7704] netdev_get_by_index+0x5e/0x80 [ 3959.359413][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3959.359413][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3959.359413][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3959.359413][ T7704] ipv6_add_addr+0x411/0x2000 [ 3959.359413][ T7704] inet6_addr_add+0x30e/0xa40 [ 3959.359413][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3959.359413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3959.359413][ T7704] netlink_rcv_skb+0x130/0x360 [ 3959.359413][ T7704] netlink_unicast+0x449/0x710 [ 3959.359413][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3959.359413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3959.359413][ T7704] ___sys_sendmsg+0xee/0x170 [ 3959.359413][ T7704] __sys_sendmsg+0xcd/0x170 [ 3959.359413][ T7704] do_syscall_64+0xc6/0x1e0 [ 3959.359413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3959.359413][ T7704] [ 3959.361674][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3959.361674][ T7704] netdev_get_by_index+0x5e/0x80 [ 3959.361674][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3959.361674][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3959.361674][ T7704] ip6_route_add+0x1c/0x140 [ 3959.361674][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3959.361674][ T7704] addrconf_add_dev+0xe2/0x170 [ 3959.361674][ T7704] inet6_addr_add+0x12f/0xa40 [ 3959.361674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3959.361674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3959.361674][ T7704] netlink_rcv_skb+0x130/0x360 [ 3959.361674][ T7704] netlink_unicast+0x449/0x710 [ 3959.361674][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3959.361674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3959.361674][ T7704] ___sys_sendmsg+0xee/0x170 [ 3959.361674][ T7704] __sys_sendmsg+0xcd/0x170 [ 3959.361674][ T7704] do_syscall_64+0xc6/0x1e0 [ 3959.361674][ T7704] [ 3959.363879][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3959.363879][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3959.363879][ T7704] ipv6_find_idev+0x102/0x170 [ 3959.363879][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3959.363879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3959.363879][ T7704] netlink_rcv_skb+0x130/0x360 [ 3959.363879][ T7704] netlink_unicast+0x449/0x710 [ 3959.363879][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3959.363879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3959.363879][ T7704] ___sys_sendmsg+0xee/0x170 [ 3959.363879][ T7704] __sys_sendmsg+0xcd/0x170 [ 3959.363879][ T7704] do_syscall_64+0xc6/0x1e0 [ 3959.363879][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3959.363879][ T7704] [ 3959.365637][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3959.365637][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3959.365637][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3959.365637][ T7704] ipv6_find_idev+0x102/0x170 [ 3959.365637][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3959.365637][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3959.365637][ T7704] netlink_rcv_skb+0x130/0x360 [ 3959.365637][ T7704] netlink_unicast+0x449/0x710 [ 3959.365637][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3959.365637][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3959.365637][ T7704] ___sys_sendmsg+0xee/0x170 [ 3959.365637][ T7704] __sys_sendmsg+0xcd/0x170 [ 3959.365637][ T7704] do_syscall_64+0xc6/0x1e0 [ 3959.365637][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3959.365637][ T7704] [ 3969.604792][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3969.605206][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3969.605206][ T7704] netdev_get_by_index+0x5e/0x80 [ 3969.605206][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3969.605206][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3969.605206][ T7704] ip6_route_add+0x1c/0x140 [ 3969.605206][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3969.605206][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3969.605206][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3969.605206][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3969.605206][ T7704] netlink_rcv_skb+0x130/0x360 [ 3969.605206][ T7704] netlink_unicast+0x449/0x710 [ 3969.605206][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3969.605206][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3969.605206][ T7704] ___sys_sendmsg+0xee/0x170 [ 3969.605206][ T7704] __sys_sendmsg+0xcd/0x170 [ 3969.605206][ T7704] do_syscall_64+0xc6/0x1e0 [ 3969.605206][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3969.605206][ T7704] [ 3969.607451][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3969.607451][ T7704] netdev_get_by_index+0x5e/0x80 [ 3969.607451][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3969.607451][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3969.607451][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3969.607451][ T7704] ipv6_add_addr+0x411/0x2000 [ 3969.607451][ T7704] inet6_addr_add+0x30e/0xa40 [ 3969.607451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3969.607451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3969.607451][ T7704] netlink_rcv_skb+0x130/0x360 [ 3969.607451][ T7704] netlink_unicast+0x449/0x710 [ 3969.607451][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3969.607451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3969.607451][ T7704] ___sys_sendmsg+0xee/0x170 [ 3969.607451][ T7704] __sys_sendmsg+0xcd/0x170 [ 3969.607451][ T7704] do_syscall_64+0xc6/0x1e0 [ 3969.607451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3969.607451][ T7704] [ 3969.609665][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3969.609665][ T7704] netdev_get_by_index+0x5e/0x80 [ 3969.609665][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3969.609665][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3969.609665][ T7704] ip6_route_add+0x1c/0x140 [ 3969.609665][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3969.609665][ T7704] addrconf_add_dev+0xe2/0x170 [ 3969.609665][ T7704] inet6_addr_add+0x12f/0xa40 [ 3969.609665][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3969.609665][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3969.609665][ T7704] netlink_rcv_skb+0x130/0x360 [ 3969.609665][ T7704] netlink_unicast+0x449/0x710 [ 3969.609665][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3969.609665][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3969.609665][ T7704] ___sys_sendmsg+0xee/0x170 [ 3969.609665][ T7704] __sys_sendmsg+0xcd/0x170 [ 3969.609665][ T7704] do_syscall_64+0xc6/0x1e0 [ 3969.609665][ T7704] [ 3969.611862][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3969.611862][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3969.611862][ T7704] ipv6_find_idev+0x102/0x170 [ 3969.611862][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3969.611862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3969.611862][ T7704] netlink_rcv_skb+0x130/0x360 [ 3969.611862][ T7704] netlink_unicast+0x449/0x710 [ 3969.611862][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3969.611862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3969.611862][ T7704] ___sys_sendmsg+0xee/0x170 [ 3969.611862][ T7704] __sys_sendmsg+0xcd/0x170 [ 3969.611862][ T7704] do_syscall_64+0xc6/0x1e0 [ 3969.611862][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3969.611862][ T7704] [ 3969.613600][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3969.613600][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3969.613600][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3969.613600][ T7704] ipv6_find_idev+0x102/0x170 [ 3969.613600][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3969.613600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3969.613600][ T7704] netlink_rcv_skb+0x130/0x360 [ 3969.613600][ T7704] netlink_unicast+0x449/0x710 [ 3969.613600][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3969.613600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3969.613600][ T7704] ___sys_sendmsg+0xee/0x170 [ 3969.613600][ T7704] __sys_sendmsg+0xcd/0x170 [ 3969.613600][ T7704] do_syscall_64+0xc6/0x1e0 [ 3969.613600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3969.613600][ T7704] [ 3979.852733][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3979.853156][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3979.853156][ T7704] netdev_get_by_index+0x5e/0x80 [ 3979.853156][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3979.853156][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3979.853156][ T7704] ip6_route_add+0x1c/0x140 [ 3979.853156][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3979.853156][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3979.853156][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3979.853156][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3979.853156][ T7704] netlink_rcv_skb+0x130/0x360 [ 3979.853156][ T7704] netlink_unicast+0x449/0x710 [ 3979.853156][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3979.853156][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3979.853156][ T7704] ___sys_sendmsg+0xee/0x170 [ 3979.853156][ T7704] __sys_sendmsg+0xcd/0x170 [ 3979.853156][ T7704] do_syscall_64+0xc6/0x1e0 [ 3979.853156][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3979.853156][ T7704] [ 3979.855618][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3979.855618][ T7704] netdev_get_by_index+0x5e/0x80 [ 3979.855618][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3979.855618][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3979.855618][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3979.855618][ T7704] ipv6_add_addr+0x411/0x2000 [ 3979.855618][ T7704] inet6_addr_add+0x30e/0xa40 [ 3979.855618][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3979.855618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3979.855618][ T7704] netlink_rcv_skb+0x130/0x360 [ 3979.855618][ T7704] netlink_unicast+0x449/0x710 [ 3979.855618][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3979.855618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3979.855618][ T7704] ___sys_sendmsg+0xee/0x170 [ 3979.855618][ T7704] __sys_sendmsg+0xcd/0x170 [ 3979.855618][ T7704] do_syscall_64+0xc6/0x1e0 [ 3979.855618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3979.855618][ T7704] [ 3979.857845][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3979.857845][ T7704] netdev_get_by_index+0x5e/0x80 [ 3979.857845][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3979.857845][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3979.857845][ T7704] ip6_route_add+0x1c/0x140 [ 3979.857845][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3979.857845][ T7704] addrconf_add_dev+0xe2/0x170 [ 3979.857845][ T7704] inet6_addr_add+0x12f/0xa40 [ 3979.857845][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3979.857845][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3979.857845][ T7704] netlink_rcv_skb+0x130/0x360 [ 3979.857845][ T7704] netlink_unicast+0x449/0x710 [ 3979.857845][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3979.857845][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3979.857845][ T7704] ___sys_sendmsg+0xee/0x170 [ 3979.857845][ T7704] __sys_sendmsg+0xcd/0x170 [ 3979.857845][ T7704] do_syscall_64+0xc6/0x1e0 [ 3979.857845][ T7704] [ 3979.860142][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3979.860142][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3979.860142][ T7704] ipv6_find_idev+0x102/0x170 [ 3979.860142][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3979.860142][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3979.860142][ T7704] netlink_rcv_skb+0x130/0x360 [ 3979.860142][ T7704] netlink_unicast+0x449/0x710 [ 3979.860142][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3979.860142][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3979.860142][ T7704] ___sys_sendmsg+0xee/0x170 [ 3979.860142][ T7704] __sys_sendmsg+0xcd/0x170 [ 3979.860142][ T7704] do_syscall_64+0xc6/0x1e0 [ 3979.860142][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3979.860142][ T7704] [ 3979.861923][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3979.861923][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3979.861923][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3979.861923][ T7704] ipv6_find_idev+0x102/0x170 [ 3979.861923][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3979.861923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3979.861923][ T7704] netlink_rcv_skb+0x130/0x360 [ 3979.861923][ T7704] netlink_unicast+0x449/0x710 [ 3979.861923][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3979.861923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3979.861923][ T7704] ___sys_sendmsg+0xee/0x170 [ 3979.861923][ T7704] __sys_sendmsg+0xcd/0x170 [ 3979.861923][ T7704] do_syscall_64+0xc6/0x1e0 [ 3979.861923][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3979.861923][ T7704] [ 3990.100834][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 3990.101298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3990.101298][ T7704] netdev_get_by_index+0x5e/0x80 [ 3990.101298][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3990.101298][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3990.101298][ T7704] ip6_route_add+0x1c/0x140 [ 3990.101298][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 3990.101298][ T7704] inet6_addr_add+0x4f8/0xa40 [ 3990.101298][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3990.101298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3990.101298][ T7704] netlink_rcv_skb+0x130/0x360 [ 3990.101298][ T7704] netlink_unicast+0x449/0x710 [ 3990.101298][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3990.101298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3990.101298][ T7704] ___sys_sendmsg+0xee/0x170 [ 3990.101298][ T7704] __sys_sendmsg+0xcd/0x170 [ 3990.101298][ T7704] do_syscall_64+0xc6/0x1e0 [ 3990.101298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3990.101298][ T7704] [ 3990.103548][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3990.103548][ T7704] netdev_get_by_index+0x5e/0x80 [ 3990.103548][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3990.103548][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3990.103548][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 3990.103548][ T7704] ipv6_add_addr+0x411/0x2000 [ 3990.103548][ T7704] inet6_addr_add+0x30e/0xa40 [ 3990.103548][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3990.103548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3990.103548][ T7704] netlink_rcv_skb+0x130/0x360 [ 3990.103548][ T7704] netlink_unicast+0x449/0x710 [ 3990.103548][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3990.103548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3990.103548][ T7704] ___sys_sendmsg+0xee/0x170 [ 3990.103548][ T7704] __sys_sendmsg+0xcd/0x170 [ 3990.103548][ T7704] do_syscall_64+0xc6/0x1e0 [ 3990.103548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3990.103548][ T7704] [ 3990.105784][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3990.105784][ T7704] netdev_get_by_index+0x5e/0x80 [ 3990.105784][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 3990.105784][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 3990.105784][ T7704] ip6_route_add+0x1c/0x140 [ 3990.105784][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 3990.105784][ T7704] addrconf_add_dev+0xe2/0x170 [ 3990.105784][ T7704] inet6_addr_add+0x12f/0xa40 [ 3990.105784][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 3990.105784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3990.105784][ T7704] netlink_rcv_skb+0x130/0x360 [ 3990.105784][ T7704] netlink_unicast+0x449/0x710 [ 3990.105784][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3990.105784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3990.105784][ T7704] ___sys_sendmsg+0xee/0x170 [ 3990.105784][ T7704] __sys_sendmsg+0xcd/0x170 [ 3990.105784][ T7704] do_syscall_64+0xc6/0x1e0 [ 3990.105784][ T7704] [ 3990.108417][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3990.108417][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 3990.108417][ T7704] ipv6_find_idev+0x102/0x170 [ 3990.108417][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3990.108417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3990.108417][ T7704] netlink_rcv_skb+0x130/0x360 [ 3990.108417][ T7704] netlink_unicast+0x449/0x710 [ 3990.108417][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3990.108417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3990.108417][ T7704] ___sys_sendmsg+0xee/0x170 [ 3990.108417][ T7704] __sys_sendmsg+0xcd/0x170 [ 3990.108417][ T7704] do_syscall_64+0xc6/0x1e0 [ 3990.108417][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3990.108417][ T7704] [ 3990.110975][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 3990.110975][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 3990.110975][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 3990.110975][ T7704] ipv6_find_idev+0x102/0x170 [ 3990.110975][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 3990.110975][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3990.110975][ T7704] netlink_rcv_skb+0x130/0x360 [ 3990.110975][ T7704] netlink_unicast+0x449/0x710 [ 3990.110975][ T7704] netlink_sendmsg+0x723/0xbe0 [ 3990.110975][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 3990.110975][ T7704] ___sys_sendmsg+0xee/0x170 [ 3990.110975][ T7704] __sys_sendmsg+0xcd/0x170 [ 3990.110975][ T7704] do_syscall_64+0xc6/0x1e0 [ 3990.110975][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3990.110975][ T7704] [ 4000.332727][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4000.333209][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4000.333209][ T7704] netdev_get_by_index+0x5e/0x80 [ 4000.333209][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4000.333209][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4000.333209][ T7704] ip6_route_add+0x1c/0x140 [ 4000.333209][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4000.333209][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4000.333209][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4000.333209][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4000.333209][ T7704] netlink_rcv_skb+0x130/0x360 [ 4000.333209][ T7704] netlink_unicast+0x449/0x710 [ 4000.333209][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4000.333209][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4000.333209][ T7704] ___sys_sendmsg+0xee/0x170 [ 4000.333209][ T7704] __sys_sendmsg+0xcd/0x170 [ 4000.333209][ T7704] do_syscall_64+0xc6/0x1e0 [ 4000.333209][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4000.333209][ T7704] [ 4000.335528][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4000.335528][ T7704] netdev_get_by_index+0x5e/0x80 [ 4000.335528][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4000.335528][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4000.335528][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4000.335528][ T7704] ipv6_add_addr+0x411/0x2000 [ 4000.335528][ T7704] inet6_addr_add+0x30e/0xa40 [ 4000.335528][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4000.335528][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4000.335528][ T7704] netlink_rcv_skb+0x130/0x360 [ 4000.335528][ T7704] netlink_unicast+0x449/0x710 [ 4000.335528][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4000.335528][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4000.335528][ T7704] ___sys_sendmsg+0xee/0x170 [ 4000.335528][ T7704] __sys_sendmsg+0xcd/0x170 [ 4000.335528][ T7704] do_syscall_64+0xc6/0x1e0 [ 4000.335528][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4000.335528][ T7704] [ 4000.337833][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4000.337833][ T7704] netdev_get_by_index+0x5e/0x80 [ 4000.337833][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4000.337833][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4000.337833][ T7704] ip6_route_add+0x1c/0x140 [ 4000.337833][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4000.337833][ T7704] addrconf_add_dev+0xe2/0x170 [ 4000.337833][ T7704] inet6_addr_add+0x12f/0xa40 [ 4000.337833][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4000.337833][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4000.337833][ T7704] netlink_rcv_skb+0x130/0x360 [ 4000.337833][ T7704] netlink_unicast+0x449/0x710 [ 4000.337833][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4000.337833][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4000.337833][ T7704] ___sys_sendmsg+0xee/0x170 [ 4000.337833][ T7704] __sys_sendmsg+0xcd/0x170 [ 4000.337833][ T7704] do_syscall_64+0xc6/0x1e0 [ 4000.337833][ T7704] [ 4000.340025][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4000.340025][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4000.340025][ T7704] ipv6_find_idev+0x102/0x170 [ 4000.340025][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4000.340025][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4000.340025][ T7704] netlink_rcv_skb+0x130/0x360 [ 4000.340025][ T7704] netlink_unicast+0x449/0x710 [ 4000.340025][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4000.340025][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4000.340025][ T7704] ___sys_sendmsg+0xee/0x170 [ 4000.340025][ T7704] __sys_sendmsg+0xcd/0x170 [ 4000.340025][ T7704] do_syscall_64+0xc6/0x1e0 [ 4000.340025][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4000.340025][ T7704] [ 4000.341782][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4000.341782][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4000.341782][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4000.341782][ T7704] ipv6_find_idev+0x102/0x170 [ 4000.341782][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4000.341782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4000.341782][ T7704] netlink_rcv_skb+0x130/0x360 [ 4000.341782][ T7704] netlink_unicast+0x449/0x710 [ 4000.341782][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4000.341782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4000.341782][ T7704] ___sys_sendmsg+0xee/0x170 [ 4000.341782][ T7704] __sys_sendmsg+0xcd/0x170 [ 4000.341782][ T7704] do_syscall_64+0xc6/0x1e0 [ 4000.341782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4000.341782][ T7704] [ 4010.580832][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4010.581313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4010.581313][ T7704] netdev_get_by_index+0x5e/0x80 [ 4010.581313][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4010.581313][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4010.581313][ T7704] ip6_route_add+0x1c/0x140 [ 4010.581313][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4010.581313][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4010.581313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4010.581313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4010.581313][ T7704] netlink_rcv_skb+0x130/0x360 [ 4010.581313][ T7704] netlink_unicast+0x449/0x710 [ 4010.581313][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4010.581313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4010.581313][ T7704] ___sys_sendmsg+0xee/0x170 [ 4010.581313][ T7704] __sys_sendmsg+0xcd/0x170 [ 4010.581313][ T7704] do_syscall_64+0xc6/0x1e0 [ 4010.581313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4010.581313][ T7704] [ 4010.583582][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4010.583582][ T7704] netdev_get_by_index+0x5e/0x80 [ 4010.583582][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4010.583582][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4010.583582][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4010.583582][ T7704] ipv6_add_addr+0x411/0x2000 [ 4010.583582][ T7704] inet6_addr_add+0x30e/0xa40 [ 4010.583582][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4010.583582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4010.583582][ T7704] netlink_rcv_skb+0x130/0x360 [ 4010.583582][ T7704] netlink_unicast+0x449/0x710 [ 4010.583582][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4010.583582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4010.583582][ T7704] ___sys_sendmsg+0xee/0x170 [ 4010.583582][ T7704] __sys_sendmsg+0xcd/0x170 [ 4010.583582][ T7704] do_syscall_64+0xc6/0x1e0 [ 4010.583582][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4010.583582][ T7704] [ 4010.585885][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4010.585885][ T7704] netdev_get_by_index+0x5e/0x80 [ 4010.585885][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4010.585885][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4010.585885][ T7704] ip6_route_add+0x1c/0x140 [ 4010.585885][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4010.585885][ T7704] addrconf_add_dev+0xe2/0x170 [ 4010.585885][ T7704] inet6_addr_add+0x12f/0xa40 [ 4010.585885][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4010.585885][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4010.585885][ T7704] netlink_rcv_skb+0x130/0x360 [ 4010.585885][ T7704] netlink_unicast+0x449/0x710 [ 4010.585885][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4010.585885][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4010.585885][ T7704] ___sys_sendmsg+0xee/0x170 [ 4010.585885][ T7704] __sys_sendmsg+0xcd/0x170 [ 4010.585885][ T7704] do_syscall_64+0xc6/0x1e0 [ 4010.585885][ T7704] [ 4010.588320][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4010.588320][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4010.588320][ T7704] ipv6_find_idev+0x102/0x170 [ 4010.588320][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4010.588320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4010.588320][ T7704] netlink_rcv_skb+0x130/0x360 [ 4010.588320][ T7704] netlink_unicast+0x449/0x710 [ 4010.588320][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4010.588320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4010.588320][ T7704] ___sys_sendmsg+0xee/0x170 [ 4010.588320][ T7704] __sys_sendmsg+0xcd/0x170 [ 4010.588320][ T7704] do_syscall_64+0xc6/0x1e0 [ 4010.588320][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4010.588320][ T7704] [ 4010.590015][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4010.590015][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4010.590015][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4010.590015][ T7704] ipv6_find_idev+0x102/0x170 [ 4010.590015][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4010.590015][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4010.590015][ T7704] netlink_rcv_skb+0x130/0x360 [ 4010.590015][ T7704] netlink_unicast+0x449/0x710 [ 4010.590015][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4010.590015][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4010.590015][ T7704] ___sys_sendmsg+0xee/0x170 [ 4010.590015][ T7704] __sys_sendmsg+0xcd/0x170 [ 4010.590015][ T7704] do_syscall_64+0xc6/0x1e0 [ 4010.590015][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4010.590015][ T7704] [ 4020.828813][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4020.829298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4020.829298][ T7704] netdev_get_by_index+0x5e/0x80 [ 4020.829298][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4020.829298][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4020.829298][ T7704] ip6_route_add+0x1c/0x140 [ 4020.829298][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4020.829298][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4020.829298][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4020.829298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4020.829298][ T7704] netlink_rcv_skb+0x130/0x360 [ 4020.829298][ T7704] netlink_unicast+0x449/0x710 [ 4020.829298][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4020.829298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4020.829298][ T7704] ___sys_sendmsg+0xee/0x170 [ 4020.829298][ T7704] __sys_sendmsg+0xcd/0x170 [ 4020.829298][ T7704] do_syscall_64+0xc6/0x1e0 [ 4020.829298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4020.829298][ T7704] [ 4020.831542][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4020.831542][ T7704] netdev_get_by_index+0x5e/0x80 [ 4020.831542][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4020.831542][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4020.831542][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4020.831542][ T7704] ipv6_add_addr+0x411/0x2000 [ 4020.831542][ T7704] inet6_addr_add+0x30e/0xa40 [ 4020.831542][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4020.831542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4020.831542][ T7704] netlink_rcv_skb+0x130/0x360 [ 4020.831542][ T7704] netlink_unicast+0x449/0x710 [ 4020.831542][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4020.831542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4020.831542][ T7704] ___sys_sendmsg+0xee/0x170 [ 4020.831542][ T7704] __sys_sendmsg+0xcd/0x170 [ 4020.831542][ T7704] do_syscall_64+0xc6/0x1e0 [ 4020.831542][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4020.831542][ T7704] [ 4020.833746][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4020.833746][ T7704] netdev_get_by_index+0x5e/0x80 [ 4020.833746][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4020.833746][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4020.833746][ T7704] ip6_route_add+0x1c/0x140 [ 4020.833746][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4020.833746][ T7704] addrconf_add_dev+0xe2/0x170 [ 4020.833746][ T7704] inet6_addr_add+0x12f/0xa40 [ 4020.833746][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4020.833746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4020.833746][ T7704] netlink_rcv_skb+0x130/0x360 [ 4020.833746][ T7704] netlink_unicast+0x449/0x710 [ 4020.833746][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4020.833746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4020.833746][ T7704] ___sys_sendmsg+0xee/0x170 [ 4020.833746][ T7704] __sys_sendmsg+0xcd/0x170 [ 4020.833746][ T7704] do_syscall_64+0xc6/0x1e0 [ 4020.833746][ T7704] [ 4020.835903][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4020.835903][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4020.835903][ T7704] ipv6_find_idev+0x102/0x170 [ 4020.835903][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4020.835903][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4020.835903][ T7704] netlink_rcv_skb+0x130/0x360 [ 4020.835903][ T7704] netlink_unicast+0x449/0x710 [ 4020.835903][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4020.835903][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4020.835903][ T7704] ___sys_sendmsg+0xee/0x170 [ 4020.835903][ T7704] __sys_sendmsg+0xcd/0x170 [ 4020.835903][ T7704] do_syscall_64+0xc6/0x1e0 [ 4020.835903][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4020.835903][ T7704] [ 4020.837599][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4020.837599][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4020.837599][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4020.837599][ T7704] ipv6_find_idev+0x102/0x170 [ 4020.837599][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4020.837599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4020.837599][ T7704] netlink_rcv_skb+0x130/0x360 [ 4020.837599][ T7704] netlink_unicast+0x449/0x710 [ 4020.837599][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4020.837599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4020.837599][ T7704] ___sys_sendmsg+0xee/0x170 [ 4020.837599][ T7704] __sys_sendmsg+0xcd/0x170 [ 4020.837599][ T7704] do_syscall_64+0xc6/0x1e0 [ 4020.837599][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4020.837599][ T7704] [ 4031.076843][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4031.077329][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4031.077329][ T7704] netdev_get_by_index+0x5e/0x80 [ 4031.077329][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4031.077329][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4031.077329][ T7704] ip6_route_add+0x1c/0x140 [ 4031.077329][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4031.077329][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4031.077329][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4031.077329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4031.077329][ T7704] netlink_rcv_skb+0x130/0x360 [ 4031.077329][ T7704] netlink_unicast+0x449/0x710 [ 4031.077329][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4031.077329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4031.077329][ T7704] ___sys_sendmsg+0xee/0x170 [ 4031.077329][ T7704] __sys_sendmsg+0xcd/0x170 [ 4031.077329][ T7704] do_syscall_64+0xc6/0x1e0 [ 4031.077329][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4031.077329][ T7704] [ 4031.079554][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4031.079554][ T7704] netdev_get_by_index+0x5e/0x80 [ 4031.079554][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4031.079554][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4031.079554][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4031.079554][ T7704] ipv6_add_addr+0x411/0x2000 [ 4031.079554][ T7704] inet6_addr_add+0x30e/0xa40 [ 4031.079554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4031.079554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4031.079554][ T7704] netlink_rcv_skb+0x130/0x360 [ 4031.079554][ T7704] netlink_unicast+0x449/0x710 [ 4031.079554][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4031.079554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4031.079554][ T7704] ___sys_sendmsg+0xee/0x170 [ 4031.079554][ T7704] __sys_sendmsg+0xcd/0x170 [ 4031.079554][ T7704] do_syscall_64+0xc6/0x1e0 [ 4031.079554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4031.079554][ T7704] [ 4031.081778][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4031.081778][ T7704] netdev_get_by_index+0x5e/0x80 [ 4031.081778][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4031.081778][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4031.081778][ T7704] ip6_route_add+0x1c/0x140 [ 4031.081778][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4031.081778][ T7704] addrconf_add_dev+0xe2/0x170 [ 4031.081778][ T7704] inet6_addr_add+0x12f/0xa40 [ 4031.081778][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4031.081778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4031.081778][ T7704] netlink_rcv_skb+0x130/0x360 [ 4031.081778][ T7704] netlink_unicast+0x449/0x710 [ 4031.081778][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4031.081778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4031.081778][ T7704] ___sys_sendmsg+0xee/0x170 [ 4031.081778][ T7704] __sys_sendmsg+0xcd/0x170 [ 4031.081778][ T7704] do_syscall_64+0xc6/0x1e0 [ 4031.081778][ T7704] [ 4031.083958][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4031.083958][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4031.083958][ T7704] ipv6_find_idev+0x102/0x170 [ 4031.083958][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4031.083958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4031.083958][ T7704] netlink_rcv_skb+0x130/0x360 [ 4031.083958][ T7704] netlink_unicast+0x449/0x710 [ 4031.083958][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4031.083958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4031.083958][ T7704] ___sys_sendmsg+0xee/0x170 [ 4031.083958][ T7704] __sys_sendmsg+0xcd/0x170 [ 4031.083958][ T7704] do_syscall_64+0xc6/0x1e0 [ 4031.083958][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4031.083958][ T7704] [ 4031.085651][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4031.085651][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4031.085651][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4031.085651][ T7704] ipv6_find_idev+0x102/0x170 [ 4031.085651][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4031.085651][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4031.085651][ T7704] netlink_rcv_skb+0x130/0x360 [ 4031.085651][ T7704] netlink_unicast+0x449/0x710 [ 4031.085651][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4031.085651][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4031.085651][ T7704] ___sys_sendmsg+0xee/0x170 [ 4031.085651][ T7704] __sys_sendmsg+0xcd/0x170 [ 4031.085651][ T7704] do_syscall_64+0xc6/0x1e0 [ 4031.085651][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4031.085651][ T7704] [ 4041.324774][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4041.325441][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4041.325441][ T7704] netdev_get_by_index+0x5e/0x80 [ 4041.325441][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4041.325441][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4041.325441][ T7704] ip6_route_add+0x1c/0x140 [ 4041.325441][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4041.325441][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4041.325441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4041.325441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4041.325441][ T7704] netlink_rcv_skb+0x130/0x360 [ 4041.325441][ T7704] netlink_unicast+0x449/0x710 [ 4041.325441][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4041.325441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4041.325441][ T7704] ___sys_sendmsg+0xee/0x170 [ 4041.325441][ T7704] __sys_sendmsg+0xcd/0x170 [ 4041.325441][ T7704] do_syscall_64+0xc6/0x1e0 [ 4041.325441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4041.325441][ T7704] [ 4041.329050][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4041.329050][ T7704] netdev_get_by_index+0x5e/0x80 [ 4041.329050][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4041.329050][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4041.329050][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4041.329050][ T7704] ipv6_add_addr+0x411/0x2000 [ 4041.329050][ T7704] inet6_addr_add+0x30e/0xa40 [ 4041.329050][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4041.329050][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4041.329050][ T7704] netlink_rcv_skb+0x130/0x360 [ 4041.329050][ T7704] netlink_unicast+0x449/0x710 [ 4041.329050][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4041.329050][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4041.329050][ T7704] ___sys_sendmsg+0xee/0x170 [ 4041.329050][ T7704] __sys_sendmsg+0xcd/0x170 [ 4041.329050][ T7704] do_syscall_64+0xc6/0x1e0 [ 4041.329050][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4041.329050][ T7704] [ 4041.332571][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4041.332571][ T7704] netdev_get_by_index+0x5e/0x80 [ 4041.332571][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4041.332571][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4041.332571][ T7704] ip6_route_add+0x1c/0x140 [ 4041.332571][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4041.332571][ T7704] addrconf_add_dev+0xe2/0x170 [ 4041.332571][ T7704] inet6_addr_add+0x12f/0xa40 [ 4041.332571][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4041.332571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4041.332571][ T7704] netlink_rcv_skb+0x130/0x360 [ 4041.332571][ T7704] netlink_unicast+0x449/0x710 [ 4041.332571][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4041.332571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4041.332571][ T7704] ___sys_sendmsg+0xee/0x170 [ 4041.332571][ T7704] __sys_sendmsg+0xcd/0x170 [ 4041.332571][ T7704] do_syscall_64+0xc6/0x1e0 [ 4041.332571][ T7704] [ 4041.336064][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4041.336064][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4041.336064][ T7704] ipv6_find_idev+0x102/0x170 [ 4041.336064][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4041.336064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4041.336064][ T7704] netlink_rcv_skb+0x130/0x360 [ 4041.336064][ T7704] netlink_unicast+0x449/0x710 [ 4041.336064][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4041.336064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4041.336064][ T7704] ___sys_sendmsg+0xee/0x170 [ 4041.336064][ T7704] __sys_sendmsg+0xcd/0x170 [ 4041.336064][ T7704] do_syscall_64+0xc6/0x1e0 [ 4041.336064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4041.336064][ T7704] [ 4041.338773][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4041.338773][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4041.338773][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4041.338773][ T7704] ipv6_find_idev+0x102/0x170 [ 4041.338773][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4041.338773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4041.338773][ T7704] netlink_rcv_skb+0x130/0x360 [ 4041.338773][ T7704] netlink_unicast+0x449/0x710 [ 4041.338773][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4041.338773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4041.338773][ T7704] ___sys_sendmsg+0xee/0x170 [ 4041.338773][ T7704] __sys_sendmsg+0xcd/0x170 [ 4041.338773][ T7704] do_syscall_64+0xc6/0x1e0 [ 4041.338773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4041.338773][ T7704] [ 4051.580772][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4051.581323][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4051.581323][ T7704] netdev_get_by_index+0x5e/0x80 [ 4051.581323][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4051.581323][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4051.581323][ T7704] ip6_route_add+0x1c/0x140 [ 4051.581323][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4051.581323][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4051.581323][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4051.581323][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4051.581323][ T7704] netlink_rcv_skb+0x130/0x360 [ 4051.581323][ T7704] netlink_unicast+0x449/0x710 [ 4051.581323][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4051.581323][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4051.581323][ T7704] ___sys_sendmsg+0xee/0x170 [ 4051.581323][ T7704] __sys_sendmsg+0xcd/0x170 [ 4051.581323][ T7704] do_syscall_64+0xc6/0x1e0 [ 4051.581323][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4051.581323][ T7704] [ 4051.583596][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4051.583596][ T7704] netdev_get_by_index+0x5e/0x80 [ 4051.583596][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4051.583596][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4051.583596][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4051.583596][ T7704] ipv6_add_addr+0x411/0x2000 [ 4051.583596][ T7704] inet6_addr_add+0x30e/0xa40 [ 4051.583596][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4051.583596][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4051.583596][ T7704] netlink_rcv_skb+0x130/0x360 [ 4051.583596][ T7704] netlink_unicast+0x449/0x710 [ 4051.583596][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4051.583596][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4051.583596][ T7704] ___sys_sendmsg+0xee/0x170 [ 4051.583596][ T7704] __sys_sendmsg+0xcd/0x170 [ 4051.583596][ T7704] do_syscall_64+0xc6/0x1e0 [ 4051.583596][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4051.583596][ T7704] [ 4051.585833][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4051.585833][ T7704] netdev_get_by_index+0x5e/0x80 [ 4051.585833][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4051.585833][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4051.585833][ T7704] ip6_route_add+0x1c/0x140 [ 4051.585833][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4051.585833][ T7704] addrconf_add_dev+0xe2/0x170 [ 4051.585833][ T7704] inet6_addr_add+0x12f/0xa40 [ 4051.585833][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4051.585833][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4051.585833][ T7704] netlink_rcv_skb+0x130/0x360 [ 4051.585833][ T7704] netlink_unicast+0x449/0x710 [ 4051.585833][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4051.585833][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4051.585833][ T7704] ___sys_sendmsg+0xee/0x170 [ 4051.585833][ T7704] __sys_sendmsg+0xcd/0x170 [ 4051.585833][ T7704] do_syscall_64+0xc6/0x1e0 [ 4051.585833][ T7704] [ 4051.588053][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4051.588053][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4051.588053][ T7704] ipv6_find_idev+0x102/0x170 [ 4051.588053][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4051.588053][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4051.588053][ T7704] netlink_rcv_skb+0x130/0x360 [ 4051.588053][ T7704] netlink_unicast+0x449/0x710 [ 4051.588053][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4051.588053][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4051.588053][ T7704] ___sys_sendmsg+0xee/0x170 [ 4051.588053][ T7704] __sys_sendmsg+0xcd/0x170 [ 4051.588053][ T7704] do_syscall_64+0xc6/0x1e0 [ 4051.588053][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4051.588053][ T7704] [ 4051.589779][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4051.589779][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4051.589779][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4051.589779][ T7704] ipv6_find_idev+0x102/0x170 [ 4051.589779][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4051.589779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4051.589779][ T7704] netlink_rcv_skb+0x130/0x360 [ 4051.589779][ T7704] netlink_unicast+0x449/0x710 [ 4051.589779][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4051.589779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4051.589779][ T7704] ___sys_sendmsg+0xee/0x170 [ 4051.589779][ T7704] __sys_sendmsg+0xcd/0x170 [ 4051.589779][ T7704] do_syscall_64+0xc6/0x1e0 [ 4051.589779][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4051.589779][ T7704] [ 4061.828804][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4061.829288][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4061.829288][ T7704] netdev_get_by_index+0x5e/0x80 [ 4061.829288][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4061.829288][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4061.829288][ T7704] ip6_route_add+0x1c/0x140 [ 4061.829288][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4061.829288][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4061.829288][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4061.829288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4061.829288][ T7704] netlink_rcv_skb+0x130/0x360 [ 4061.829288][ T7704] netlink_unicast+0x449/0x710 [ 4061.829288][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4061.829288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4061.829288][ T7704] ___sys_sendmsg+0xee/0x170 [ 4061.829288][ T7704] __sys_sendmsg+0xcd/0x170 [ 4061.829288][ T7704] do_syscall_64+0xc6/0x1e0 [ 4061.829288][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4061.829288][ T7704] [ 4061.831554][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4061.831554][ T7704] netdev_get_by_index+0x5e/0x80 [ 4061.831554][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4061.831554][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4061.831554][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4061.831554][ T7704] ipv6_add_addr+0x411/0x2000 [ 4061.831554][ T7704] inet6_addr_add+0x30e/0xa40 [ 4061.831554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4061.831554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4061.831554][ T7704] netlink_rcv_skb+0x130/0x360 [ 4061.831554][ T7704] netlink_unicast+0x449/0x710 [ 4061.831554][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4061.831554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4061.831554][ T7704] ___sys_sendmsg+0xee/0x170 [ 4061.831554][ T7704] __sys_sendmsg+0xcd/0x170 [ 4061.831554][ T7704] do_syscall_64+0xc6/0x1e0 [ 4061.831554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4061.831554][ T7704] [ 4061.833762][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4061.833762][ T7704] netdev_get_by_index+0x5e/0x80 [ 4061.833762][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4061.833762][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4061.833762][ T7704] ip6_route_add+0x1c/0x140 [ 4061.833762][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4061.833762][ T7704] addrconf_add_dev+0xe2/0x170 [ 4061.833762][ T7704] inet6_addr_add+0x12f/0xa40 [ 4061.833762][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4061.833762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4061.833762][ T7704] netlink_rcv_skb+0x130/0x360 [ 4061.833762][ T7704] netlink_unicast+0x449/0x710 [ 4061.833762][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4061.833762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4061.833762][ T7704] ___sys_sendmsg+0xee/0x170 [ 4061.833762][ T7704] __sys_sendmsg+0xcd/0x170 [ 4061.833762][ T7704] do_syscall_64+0xc6/0x1e0 [ 4061.833762][ T7704] [ 4061.835934][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4061.835934][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4061.835934][ T7704] ipv6_find_idev+0x102/0x170 [ 4061.835934][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4061.835934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4061.835934][ T7704] netlink_rcv_skb+0x130/0x360 [ 4061.835934][ T7704] netlink_unicast+0x449/0x710 [ 4061.835934][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4061.835934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4061.835934][ T7704] ___sys_sendmsg+0xee/0x170 [ 4061.835934][ T7704] __sys_sendmsg+0xcd/0x170 [ 4061.835934][ T7704] do_syscall_64+0xc6/0x1e0 [ 4061.835934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4061.835934][ T7704] [ 4061.837631][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4061.837631][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4061.837631][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4061.837631][ T7704] ipv6_find_idev+0x102/0x170 [ 4061.837631][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4061.837631][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4061.837631][ T7704] netlink_rcv_skb+0x130/0x360 [ 4061.837631][ T7704] netlink_unicast+0x449/0x710 [ 4061.837631][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4061.837631][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4061.837631][ T7704] ___sys_sendmsg+0xee/0x170 [ 4061.837631][ T7704] __sys_sendmsg+0xcd/0x170 [ 4061.837631][ T7704] do_syscall_64+0xc6/0x1e0 [ 4061.837631][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4061.837631][ T7704] [ 4072.076849][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4072.077333][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4072.077333][ T7704] netdev_get_by_index+0x5e/0x80 [ 4072.077333][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4072.077333][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4072.077333][ T7704] ip6_route_add+0x1c/0x140 [ 4072.077333][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4072.077333][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4072.077333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4072.077333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4072.077333][ T7704] netlink_rcv_skb+0x130/0x360 [ 4072.077333][ T7704] netlink_unicast+0x449/0x710 [ 4072.077333][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4072.077333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4072.077333][ T7704] ___sys_sendmsg+0xee/0x170 [ 4072.077333][ T7704] __sys_sendmsg+0xcd/0x170 [ 4072.077333][ T7704] do_syscall_64+0xc6/0x1e0 [ 4072.077333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4072.077333][ T7704] [ 4072.079577][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4072.079577][ T7704] netdev_get_by_index+0x5e/0x80 [ 4072.079577][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4072.079577][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4072.079577][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4072.079577][ T7704] ipv6_add_addr+0x411/0x2000 [ 4072.079577][ T7704] inet6_addr_add+0x30e/0xa40 [ 4072.079577][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4072.079577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4072.079577][ T7704] netlink_rcv_skb+0x130/0x360 [ 4072.079577][ T7704] netlink_unicast+0x449/0x710 [ 4072.079577][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4072.079577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4072.079577][ T7704] ___sys_sendmsg+0xee/0x170 [ 4072.079577][ T7704] __sys_sendmsg+0xcd/0x170 [ 4072.079577][ T7704] do_syscall_64+0xc6/0x1e0 [ 4072.079577][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4072.079577][ T7704] [ 4072.081824][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4072.081824][ T7704] netdev_get_by_index+0x5e/0x80 [ 4072.081824][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4072.081824][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4072.081824][ T7704] ip6_route_add+0x1c/0x140 [ 4072.081824][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4072.081824][ T7704] addrconf_add_dev+0xe2/0x170 [ 4072.081824][ T7704] inet6_addr_add+0x12f/0xa40 [ 4072.081824][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4072.081824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4072.081824][ T7704] netlink_rcv_skb+0x130/0x360 [ 4072.081824][ T7704] netlink_unicast+0x449/0x710 [ 4072.081824][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4072.081824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4072.081824][ T7704] ___sys_sendmsg+0xee/0x170 [ 4072.081824][ T7704] __sys_sendmsg+0xcd/0x170 [ 4072.081824][ T7704] do_syscall_64+0xc6/0x1e0 [ 4072.081824][ T7704] [ 4072.084018][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4072.084018][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4072.084018][ T7704] ipv6_find_idev+0x102/0x170 [ 4072.084018][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4072.084018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4072.084018][ T7704] netlink_rcv_skb+0x130/0x360 [ 4072.084018][ T7704] netlink_unicast+0x449/0x710 [ 4072.084018][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4072.084018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4072.084018][ T7704] ___sys_sendmsg+0xee/0x170 [ 4072.084018][ T7704] __sys_sendmsg+0xcd/0x170 [ 4072.084018][ T7704] do_syscall_64+0xc6/0x1e0 [ 4072.084018][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4072.084018][ T7704] [ 4072.085719][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4072.085719][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4072.085719][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4072.085719][ T7704] ipv6_find_idev+0x102/0x170 [ 4072.085719][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4072.085719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4072.085719][ T7704] netlink_rcv_skb+0x130/0x360 [ 4072.085719][ T7704] netlink_unicast+0x449/0x710 [ 4072.085719][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4072.085719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4072.085719][ T7704] ___sys_sendmsg+0xee/0x170 [ 4072.085719][ T7704] __sys_sendmsg+0xcd/0x170 [ 4072.085719][ T7704] do_syscall_64+0xc6/0x1e0 [ 4072.085719][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4072.085719][ T7704] [ 4082.324873][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4082.325299][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4082.325299][ T7704] netdev_get_by_index+0x5e/0x80 [ 4082.325299][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4082.325299][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4082.325299][ T7704] ip6_route_add+0x1c/0x140 [ 4082.325299][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4082.325299][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4082.325299][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4082.325299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4082.325299][ T7704] netlink_rcv_skb+0x130/0x360 [ 4082.325299][ T7704] netlink_unicast+0x449/0x710 [ 4082.325299][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4082.325299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4082.325299][ T7704] ___sys_sendmsg+0xee/0x170 [ 4082.325299][ T7704] __sys_sendmsg+0xcd/0x170 [ 4082.325299][ T7704] do_syscall_64+0xc6/0x1e0 [ 4082.325299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4082.325299][ T7704] [ 4082.327543][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4082.327543][ T7704] netdev_get_by_index+0x5e/0x80 [ 4082.327543][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4082.327543][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4082.327543][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4082.327543][ T7704] ipv6_add_addr+0x411/0x2000 [ 4082.327543][ T7704] inet6_addr_add+0x30e/0xa40 [ 4082.327543][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4082.327543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4082.327543][ T7704] netlink_rcv_skb+0x130/0x360 [ 4082.327543][ T7704] netlink_unicast+0x449/0x710 [ 4082.327543][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4082.327543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4082.327543][ T7704] ___sys_sendmsg+0xee/0x170 [ 4082.327543][ T7704] __sys_sendmsg+0xcd/0x170 [ 4082.327543][ T7704] do_syscall_64+0xc6/0x1e0 [ 4082.327543][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4082.327543][ T7704] [ 4082.329764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4082.329764][ T7704] netdev_get_by_index+0x5e/0x80 [ 4082.329764][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4082.329764][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4082.329764][ T7704] ip6_route_add+0x1c/0x140 [ 4082.329764][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4082.329764][ T7704] addrconf_add_dev+0xe2/0x170 [ 4082.329764][ T7704] inet6_addr_add+0x12f/0xa40 [ 4082.329764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4082.329764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4082.329764][ T7704] netlink_rcv_skb+0x130/0x360 [ 4082.329764][ T7704] netlink_unicast+0x449/0x710 [ 4082.329764][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4082.329764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4082.329764][ T7704] ___sys_sendmsg+0xee/0x170 [ 4082.329764][ T7704] __sys_sendmsg+0xcd/0x170 [ 4082.329764][ T7704] do_syscall_64+0xc6/0x1e0 [ 4082.329764][ T7704] [ 4082.331980][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4082.331980][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4082.331980][ T7704] ipv6_find_idev+0x102/0x170 [ 4082.331980][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4082.331980][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4082.331980][ T7704] netlink_rcv_skb+0x130/0x360 [ 4082.331980][ T7704] netlink_unicast+0x449/0x710 [ 4082.331980][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4082.331980][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4082.331980][ T7704] ___sys_sendmsg+0xee/0x170 [ 4082.331980][ T7704] __sys_sendmsg+0xcd/0x170 [ 4082.331980][ T7704] do_syscall_64+0xc6/0x1e0 [ 4082.331980][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4082.331980][ T7704] [ 4082.333690][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4082.333690][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4082.333690][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4082.333690][ T7704] ipv6_find_idev+0x102/0x170 [ 4082.333690][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4082.333690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4082.333690][ T7704] netlink_rcv_skb+0x130/0x360 [ 4082.333690][ T7704] netlink_unicast+0x449/0x710 [ 4082.333690][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4082.333690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4082.333690][ T7704] ___sys_sendmsg+0xee/0x170 [ 4082.333690][ T7704] __sys_sendmsg+0xcd/0x170 [ 4082.333690][ T7704] do_syscall_64+0xc6/0x1e0 [ 4082.333690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4082.333690][ T7704] [ 4092.572734][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4092.573213][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4092.573213][ T7704] netdev_get_by_index+0x5e/0x80 [ 4092.573213][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4092.573213][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4092.573213][ T7704] ip6_route_add+0x1c/0x140 [ 4092.573213][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4092.573213][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4092.573213][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4092.573213][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4092.573213][ T7704] netlink_rcv_skb+0x130/0x360 [ 4092.573213][ T7704] netlink_unicast+0x449/0x710 [ 4092.573213][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4092.573213][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4092.573213][ T7704] ___sys_sendmsg+0xee/0x170 [ 4092.573213][ T7704] __sys_sendmsg+0xcd/0x170 [ 4092.573213][ T7704] do_syscall_64+0xc6/0x1e0 [ 4092.573213][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4092.573213][ T7704] [ 4092.575478][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4092.575478][ T7704] netdev_get_by_index+0x5e/0x80 [ 4092.575478][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4092.575478][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4092.575478][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4092.575478][ T7704] ipv6_add_addr+0x411/0x2000 [ 4092.575478][ T7704] inet6_addr_add+0x30e/0xa40 [ 4092.575478][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4092.575478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4092.575478][ T7704] netlink_rcv_skb+0x130/0x360 [ 4092.575478][ T7704] netlink_unicast+0x449/0x710 [ 4092.575478][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4092.575478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4092.575478][ T7704] ___sys_sendmsg+0xee/0x170 [ 4092.575478][ T7704] __sys_sendmsg+0xcd/0x170 [ 4092.575478][ T7704] do_syscall_64+0xc6/0x1e0 [ 4092.575478][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4092.575478][ T7704] [ 4092.577706][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4092.577706][ T7704] netdev_get_by_index+0x5e/0x80 [ 4092.577706][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4092.577706][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4092.577706][ T7704] ip6_route_add+0x1c/0x140 [ 4092.577706][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4092.577706][ T7704] addrconf_add_dev+0xe2/0x170 [ 4092.577706][ T7704] inet6_addr_add+0x12f/0xa40 [ 4092.577706][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4092.577706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4092.577706][ T7704] netlink_rcv_skb+0x130/0x360 [ 4092.577706][ T7704] netlink_unicast+0x449/0x710 [ 4092.577706][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4092.577706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4092.577706][ T7704] ___sys_sendmsg+0xee/0x170 [ 4092.577706][ T7704] __sys_sendmsg+0xcd/0x170 [ 4092.577706][ T7704] do_syscall_64+0xc6/0x1e0 [ 4092.577706][ T7704] [ 4092.579903][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4092.579903][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4092.579903][ T7704] ipv6_find_idev+0x102/0x170 [ 4092.579903][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4092.579903][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4092.579903][ T7704] netlink_rcv_skb+0x130/0x360 [ 4092.579903][ T7704] netlink_unicast+0x449/0x710 [ 4092.579903][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4092.579903][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4092.579903][ T7704] ___sys_sendmsg+0xee/0x170 [ 4092.579903][ T7704] __sys_sendmsg+0xcd/0x170 [ 4092.579903][ T7704] do_syscall_64+0xc6/0x1e0 [ 4092.579903][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4092.579903][ T7704] [ 4092.581636][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4092.581636][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4092.581636][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4092.581636][ T7704] ipv6_find_idev+0x102/0x170 [ 4092.581636][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4092.581636][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4092.581636][ T7704] netlink_rcv_skb+0x130/0x360 [ 4092.581636][ T7704] netlink_unicast+0x449/0x710 [ 4092.581636][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4092.581636][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4092.581636][ T7704] ___sys_sendmsg+0xee/0x170 [ 4092.581636][ T7704] __sys_sendmsg+0xcd/0x170 [ 4092.581636][ T7704] do_syscall_64+0xc6/0x1e0 [ 4092.581636][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4092.581636][ T7704] [ 4102.820834][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4102.821353][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4102.821353][ T7704] netdev_get_by_index+0x5e/0x80 [ 4102.821353][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4102.821353][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4102.821353][ T7704] ip6_route_add+0x1c/0x140 [ 4102.821353][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4102.821353][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4102.821353][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4102.821353][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4102.821353][ T7704] netlink_rcv_skb+0x130/0x360 [ 4102.821353][ T7704] netlink_unicast+0x449/0x710 [ 4102.821353][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4102.821353][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4102.821353][ T7704] ___sys_sendmsg+0xee/0x170 [ 4102.821353][ T7704] __sys_sendmsg+0xcd/0x170 [ 4102.821353][ T7704] do_syscall_64+0xc6/0x1e0 [ 4102.821353][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4102.821353][ T7704] [ 4102.823594][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4102.823594][ T7704] netdev_get_by_index+0x5e/0x80 [ 4102.823594][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4102.823594][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4102.823594][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4102.823594][ T7704] ipv6_add_addr+0x411/0x2000 [ 4102.823594][ T7704] inet6_addr_add+0x30e/0xa40 [ 4102.823594][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4102.823594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4102.823594][ T7704] netlink_rcv_skb+0x130/0x360 [ 4102.823594][ T7704] netlink_unicast+0x449/0x710 [ 4102.823594][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4102.823594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4102.823594][ T7704] ___sys_sendmsg+0xee/0x170 [ 4102.823594][ T7704] __sys_sendmsg+0xcd/0x170 [ 4102.823594][ T7704] do_syscall_64+0xc6/0x1e0 [ 4102.823594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4102.823594][ T7704] [ 4102.825806][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4102.825806][ T7704] netdev_get_by_index+0x5e/0x80 [ 4102.825806][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4102.825806][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4102.825806][ T7704] ip6_route_add+0x1c/0x140 [ 4102.825806][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4102.825806][ T7704] addrconf_add_dev+0xe2/0x170 [ 4102.825806][ T7704] inet6_addr_add+0x12f/0xa40 [ 4102.825806][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4102.825806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4102.825806][ T7704] netlink_rcv_skb+0x130/0x360 [ 4102.825806][ T7704] netlink_unicast+0x449/0x710 [ 4102.825806][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4102.825806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4102.825806][ T7704] ___sys_sendmsg+0xee/0x170 [ 4102.825806][ T7704] __sys_sendmsg+0xcd/0x170 [ 4102.825806][ T7704] do_syscall_64+0xc6/0x1e0 [ 4102.825806][ T7704] [ 4102.828357][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4102.828357][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4102.828357][ T7704] ipv6_find_idev+0x102/0x170 [ 4102.828357][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4102.828357][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4102.828357][ T7704] netlink_rcv_skb+0x130/0x360 [ 4102.828357][ T7704] netlink_unicast+0x449/0x710 [ 4102.828357][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4102.828357][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4102.828357][ T7704] ___sys_sendmsg+0xee/0x170 [ 4102.828357][ T7704] __sys_sendmsg+0xcd/0x170 [ 4102.828357][ T7704] do_syscall_64+0xc6/0x1e0 [ 4102.828357][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4102.828357][ T7704] [ 4102.830056][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4102.830056][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4102.830056][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4102.830056][ T7704] ipv6_find_idev+0x102/0x170 [ 4102.830056][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4102.830056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4102.830056][ T7704] netlink_rcv_skb+0x130/0x360 [ 4102.830056][ T7704] netlink_unicast+0x449/0x710 [ 4102.830056][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4102.830056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4102.830056][ T7704] ___sys_sendmsg+0xee/0x170 [ 4102.830056][ T7704] __sys_sendmsg+0xcd/0x170 [ 4102.830056][ T7704] do_syscall_64+0xc6/0x1e0 [ 4102.830056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4102.830056][ T7704] [ 4113.068823][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4113.069304][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4113.069304][ T7704] netdev_get_by_index+0x5e/0x80 [ 4113.069304][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4113.069304][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4113.069304][ T7704] ip6_route_add+0x1c/0x140 [ 4113.069304][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4113.069304][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4113.069304][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4113.069304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4113.069304][ T7704] netlink_rcv_skb+0x130/0x360 [ 4113.069304][ T7704] netlink_unicast+0x449/0x710 [ 4113.069304][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4113.069304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4113.069304][ T7704] ___sys_sendmsg+0xee/0x170 [ 4113.069304][ T7704] __sys_sendmsg+0xcd/0x170 [ 4113.069304][ T7704] do_syscall_64+0xc6/0x1e0 [ 4113.069304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4113.069304][ T7704] [ 4113.071547][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4113.071547][ T7704] netdev_get_by_index+0x5e/0x80 [ 4113.071547][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4113.071547][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4113.071547][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4113.071547][ T7704] ipv6_add_addr+0x411/0x2000 [ 4113.071547][ T7704] inet6_addr_add+0x30e/0xa40 [ 4113.071547][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4113.071547][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4113.071547][ T7704] netlink_rcv_skb+0x130/0x360 [ 4113.071547][ T7704] netlink_unicast+0x449/0x710 [ 4113.071547][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4113.071547][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4113.071547][ T7704] ___sys_sendmsg+0xee/0x170 [ 4113.071547][ T7704] __sys_sendmsg+0xcd/0x170 [ 4113.071547][ T7704] do_syscall_64+0xc6/0x1e0 [ 4113.071547][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4113.071547][ T7704] [ 4113.073752][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4113.073752][ T7704] netdev_get_by_index+0x5e/0x80 [ 4113.073752][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4113.073752][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4113.073752][ T7704] ip6_route_add+0x1c/0x140 [ 4113.073752][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4113.073752][ T7704] addrconf_add_dev+0xe2/0x170 [ 4113.073752][ T7704] inet6_addr_add+0x12f/0xa40 [ 4113.073752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4113.073752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4113.073752][ T7704] netlink_rcv_skb+0x130/0x360 [ 4113.073752][ T7704] netlink_unicast+0x449/0x710 [ 4113.073752][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4113.073752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4113.073752][ T7704] ___sys_sendmsg+0xee/0x170 [ 4113.073752][ T7704] __sys_sendmsg+0xcd/0x170 [ 4113.073752][ T7704] do_syscall_64+0xc6/0x1e0 [ 4113.073752][ T7704] [ 4113.075914][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4113.075914][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4113.075914][ T7704] ipv6_find_idev+0x102/0x170 [ 4113.075914][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4113.075914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4113.075914][ T7704] netlink_rcv_skb+0x130/0x360 [ 4113.075914][ T7704] netlink_unicast+0x449/0x710 [ 4113.075914][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4113.075914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4113.075914][ T7704] ___sys_sendmsg+0xee/0x170 [ 4113.075914][ T7704] __sys_sendmsg+0xcd/0x170 [ 4113.075914][ T7704] do_syscall_64+0xc6/0x1e0 [ 4113.075914][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4113.075914][ T7704] [ 4113.077610][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4113.077610][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4113.077610][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4113.077610][ T7704] ipv6_find_idev+0x102/0x170 [ 4113.077610][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4113.077610][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4113.077610][ T7704] netlink_rcv_skb+0x130/0x360 [ 4113.077610][ T7704] netlink_unicast+0x449/0x710 [ 4113.077610][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4113.077610][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4113.077610][ T7704] ___sys_sendmsg+0xee/0x170 [ 4113.077610][ T7704] __sys_sendmsg+0xcd/0x170 [ 4113.077610][ T7704] do_syscall_64+0xc6/0x1e0 [ 4113.077610][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4113.077610][ T7704] [ 4123.212857][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4123.213300][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4123.213300][ T7704] netdev_get_by_index+0x5e/0x80 [ 4123.213300][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4123.213300][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4123.213300][ T7704] ip6_route_add+0x1c/0x140 [ 4123.213300][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4123.213300][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4123.213300][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4123.213300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4123.213300][ T7704] netlink_rcv_skb+0x130/0x360 [ 4123.213300][ T7704] netlink_unicast+0x449/0x710 [ 4123.213300][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4123.213300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4123.213300][ T7704] ___sys_sendmsg+0xee/0x170 [ 4123.213300][ T7704] __sys_sendmsg+0xcd/0x170 [ 4123.213300][ T7704] do_syscall_64+0xc6/0x1e0 [ 4123.213300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4123.213300][ T7704] [ 4123.216103][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4123.216103][ T7704] netdev_get_by_index+0x5e/0x80 [ 4123.216103][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4123.216103][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4123.216103][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4123.216103][ T7704] ipv6_add_addr+0x411/0x2000 [ 4123.216103][ T7704] inet6_addr_add+0x30e/0xa40 [ 4123.216103][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4123.216103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4123.216103][ T7704] netlink_rcv_skb+0x130/0x360 [ 4123.216103][ T7704] netlink_unicast+0x449/0x710 [ 4123.216103][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4123.216103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4123.216103][ T7704] ___sys_sendmsg+0xee/0x170 [ 4123.216103][ T7704] __sys_sendmsg+0xcd/0x170 [ 4123.216103][ T7704] do_syscall_64+0xc6/0x1e0 [ 4123.216103][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4123.216103][ T7704] [ 4123.218322][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4123.218322][ T7704] netdev_get_by_index+0x5e/0x80 [ 4123.218322][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4123.218322][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4123.218322][ T7704] ip6_route_add+0x1c/0x140 [ 4123.218322][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4123.218322][ T7704] addrconf_add_dev+0xe2/0x170 [ 4123.218322][ T7704] inet6_addr_add+0x12f/0xa40 [ 4123.218322][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4123.218322][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4123.218322][ T7704] netlink_rcv_skb+0x130/0x360 [ 4123.218322][ T7704] netlink_unicast+0x449/0x710 [ 4123.218322][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4123.218322][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4123.218322][ T7704] ___sys_sendmsg+0xee/0x170 [ 4123.218322][ T7704] __sys_sendmsg+0xcd/0x170 [ 4123.218322][ T7704] do_syscall_64+0xc6/0x1e0 [ 4123.218322][ T7704] [ 4123.220962][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4123.220962][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4123.220962][ T7704] ipv6_find_idev+0x102/0x170 [ 4123.220962][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4123.220962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4123.220962][ T7704] netlink_rcv_skb+0x130/0x360 [ 4123.220962][ T7704] netlink_unicast+0x449/0x710 [ 4123.220962][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4123.220962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4123.220962][ T7704] ___sys_sendmsg+0xee/0x170 [ 4123.220962][ T7704] __sys_sendmsg+0xcd/0x170 [ 4123.220962][ T7704] do_syscall_64+0xc6/0x1e0 [ 4123.220962][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4123.220962][ T7704] [ 4123.222716][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4123.222716][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4123.222716][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4123.222716][ T7704] ipv6_find_idev+0x102/0x170 [ 4123.222716][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4123.222716][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4123.222716][ T7704] netlink_rcv_skb+0x130/0x360 [ 4123.222716][ T7704] netlink_unicast+0x449/0x710 [ 4123.222716][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4123.222716][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4123.222716][ T7704] ___sys_sendmsg+0xee/0x170 [ 4123.222716][ T7704] __sys_sendmsg+0xcd/0x170 [ 4123.222716][ T7704] do_syscall_64+0xc6/0x1e0 [ 4123.222716][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4123.222716][ T7704] [ 4133.460925][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4133.461430][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4133.461430][ T7704] netdev_get_by_index+0x5e/0x80 [ 4133.461430][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4133.461430][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4133.461430][ T7704] ip6_route_add+0x1c/0x140 [ 4133.461430][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4133.461430][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4133.461430][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4133.461430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4133.461430][ T7704] netlink_rcv_skb+0x130/0x360 [ 4133.461430][ T7704] netlink_unicast+0x449/0x710 [ 4133.461430][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4133.461430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4133.461430][ T7704] ___sys_sendmsg+0xee/0x170 [ 4133.461430][ T7704] __sys_sendmsg+0xcd/0x170 [ 4133.461430][ T7704] do_syscall_64+0xc6/0x1e0 [ 4133.461430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4133.461430][ T7704] [ 4133.463701][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4133.463701][ T7704] netdev_get_by_index+0x5e/0x80 [ 4133.463701][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4133.463701][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4133.463701][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4133.463701][ T7704] ipv6_add_addr+0x411/0x2000 [ 4133.463701][ T7704] inet6_addr_add+0x30e/0xa40 [ 4133.463701][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4133.463701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4133.463701][ T7704] netlink_rcv_skb+0x130/0x360 [ 4133.463701][ T7704] netlink_unicast+0x449/0x710 [ 4133.463701][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4133.463701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4133.463701][ T7704] ___sys_sendmsg+0xee/0x170 [ 4133.463701][ T7704] __sys_sendmsg+0xcd/0x170 [ 4133.463701][ T7704] do_syscall_64+0xc6/0x1e0 [ 4133.463701][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4133.463701][ T7704] [ 4133.465941][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4133.465941][ T7704] netdev_get_by_index+0x5e/0x80 [ 4133.465941][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4133.465941][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4133.465941][ T7704] ip6_route_add+0x1c/0x140 [ 4133.465941][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4133.465941][ T7704] addrconf_add_dev+0xe2/0x170 [ 4133.465941][ T7704] inet6_addr_add+0x12f/0xa40 [ 4133.465941][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4133.465941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4133.465941][ T7704] netlink_rcv_skb+0x130/0x360 [ 4133.465941][ T7704] netlink_unicast+0x449/0x710 [ 4133.465941][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4133.465941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4133.465941][ T7704] ___sys_sendmsg+0xee/0x170 [ 4133.465941][ T7704] __sys_sendmsg+0xcd/0x170 [ 4133.465941][ T7704] do_syscall_64+0xc6/0x1e0 [ 4133.465941][ T7704] [ 4133.468538][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4133.468538][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4133.468538][ T7704] ipv6_find_idev+0x102/0x170 [ 4133.468538][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4133.468538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4133.468538][ T7704] netlink_rcv_skb+0x130/0x360 [ 4133.468538][ T7704] netlink_unicast+0x449/0x710 [ 4133.468538][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4133.468538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4133.468538][ T7704] ___sys_sendmsg+0xee/0x170 [ 4133.468538][ T7704] __sys_sendmsg+0xcd/0x170 [ 4133.468538][ T7704] do_syscall_64+0xc6/0x1e0 [ 4133.468538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4133.468538][ T7704] [ 4133.470260][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4133.470260][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4133.470260][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4133.470260][ T7704] ipv6_find_idev+0x102/0x170 [ 4133.470260][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4133.470260][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4133.470260][ T7704] netlink_rcv_skb+0x130/0x360 [ 4133.470260][ T7704] netlink_unicast+0x449/0x710 [ 4133.470260][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4133.470260][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4133.470260][ T7704] ___sys_sendmsg+0xee/0x170 [ 4133.470260][ T7704] __sys_sendmsg+0xcd/0x170 [ 4133.470260][ T7704] do_syscall_64+0xc6/0x1e0 [ 4133.470260][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4133.470260][ T7704] [ 4143.708818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4143.709316][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4143.709316][ T7704] netdev_get_by_index+0x5e/0x80 [ 4143.709316][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4143.709316][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4143.709316][ T7704] ip6_route_add+0x1c/0x140 [ 4143.709316][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4143.709316][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4143.709316][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4143.709316][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4143.709316][ T7704] netlink_rcv_skb+0x130/0x360 [ 4143.709316][ T7704] netlink_unicast+0x449/0x710 [ 4143.709316][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4143.709316][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4143.709316][ T7704] ___sys_sendmsg+0xee/0x170 [ 4143.709316][ T7704] __sys_sendmsg+0xcd/0x170 [ 4143.709316][ T7704] do_syscall_64+0xc6/0x1e0 [ 4143.709316][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4143.709316][ T7704] [ 4143.711614][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4143.711614][ T7704] netdev_get_by_index+0x5e/0x80 [ 4143.711614][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4143.711614][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4143.711614][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4143.711614][ T7704] ipv6_add_addr+0x411/0x2000 [ 4143.711614][ T7704] inet6_addr_add+0x30e/0xa40 [ 4143.711614][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4143.711614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4143.711614][ T7704] netlink_rcv_skb+0x130/0x360 [ 4143.711614][ T7704] netlink_unicast+0x449/0x710 [ 4143.711614][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4143.711614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4143.711614][ T7704] ___sys_sendmsg+0xee/0x170 [ 4143.711614][ T7704] __sys_sendmsg+0xcd/0x170 [ 4143.711614][ T7704] do_syscall_64+0xc6/0x1e0 [ 4143.711614][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4143.711614][ T7704] [ 4143.713875][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4143.713875][ T7704] netdev_get_by_index+0x5e/0x80 [ 4143.713875][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4143.713875][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4143.713875][ T7704] ip6_route_add+0x1c/0x140 [ 4143.713875][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4143.713875][ T7704] addrconf_add_dev+0xe2/0x170 [ 4143.713875][ T7704] inet6_addr_add+0x12f/0xa40 [ 4143.713875][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4143.713875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4143.713875][ T7704] netlink_rcv_skb+0x130/0x360 [ 4143.713875][ T7704] netlink_unicast+0x449/0x710 [ 4143.713875][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4143.713875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4143.713875][ T7704] ___sys_sendmsg+0xee/0x170 [ 4143.713875][ T7704] __sys_sendmsg+0xcd/0x170 [ 4143.713875][ T7704] do_syscall_64+0xc6/0x1e0 [ 4143.713875][ T7704] [ 4143.716080][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4143.716080][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4143.716080][ T7704] ipv6_find_idev+0x102/0x170 [ 4143.716080][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4143.716080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4143.716080][ T7704] netlink_rcv_skb+0x130/0x360 [ 4143.716080][ T7704] netlink_unicast+0x449/0x710 [ 4143.716080][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4143.716080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4143.716080][ T7704] ___sys_sendmsg+0xee/0x170 [ 4143.716080][ T7704] __sys_sendmsg+0xcd/0x170 [ 4143.716080][ T7704] do_syscall_64+0xc6/0x1e0 [ 4143.716080][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4143.716080][ T7704] [ 4143.717806][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4143.717806][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4143.717806][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4143.717806][ T7704] ipv6_find_idev+0x102/0x170 [ 4143.717806][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4143.717806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4143.717806][ T7704] netlink_rcv_skb+0x130/0x360 [ 4143.717806][ T7704] netlink_unicast+0x449/0x710 [ 4143.717806][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4143.717806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4143.717806][ T7704] ___sys_sendmsg+0xee/0x170 [ 4143.717806][ T7704] __sys_sendmsg+0xcd/0x170 [ 4143.717806][ T7704] do_syscall_64+0xc6/0x1e0 [ 4143.717806][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4143.717806][ T7704] [ 4153.956798][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4153.957292][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4153.957292][ T7704] netdev_get_by_index+0x5e/0x80 [ 4153.957292][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4153.957292][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4153.957292][ T7704] ip6_route_add+0x1c/0x140 [ 4153.957292][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4153.957292][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4153.957292][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.957292][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.957292][ T7704] netlink_rcv_skb+0x130/0x360 [ 4153.957292][ T7704] netlink_unicast+0x449/0x710 [ 4153.957292][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4153.957292][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4153.957292][ T7704] ___sys_sendmsg+0xee/0x170 [ 4153.957292][ T7704] __sys_sendmsg+0xcd/0x170 [ 4153.957292][ T7704] do_syscall_64+0xc6/0x1e0 [ 4153.957292][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.957292][ T7704] [ 4153.959551][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4153.959551][ T7704] netdev_get_by_index+0x5e/0x80 [ 4153.959551][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4153.959551][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4153.959551][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4153.959551][ T7704] ipv6_add_addr+0x411/0x2000 [ 4153.959551][ T7704] inet6_addr_add+0x30e/0xa40 [ 4153.959551][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.959551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.959551][ T7704] netlink_rcv_skb+0x130/0x360 [ 4153.959551][ T7704] netlink_unicast+0x449/0x710 [ 4153.959551][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4153.959551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4153.959551][ T7704] ___sys_sendmsg+0xee/0x170 [ 4153.959551][ T7704] __sys_sendmsg+0xcd/0x170 [ 4153.959551][ T7704] do_syscall_64+0xc6/0x1e0 [ 4153.959551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.959551][ T7704] [ 4153.961811][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4153.961811][ T7704] netdev_get_by_index+0x5e/0x80 [ 4153.961811][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4153.961811][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4153.961811][ T7704] ip6_route_add+0x1c/0x140 [ 4153.961811][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4153.961811][ T7704] addrconf_add_dev+0xe2/0x170 [ 4153.961811][ T7704] inet6_addr_add+0x12f/0xa40 [ 4153.961811][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.961811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.961811][ T7704] netlink_rcv_skb+0x130/0x360 [ 4153.961811][ T7704] netlink_unicast+0x449/0x710 [ 4153.961811][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4153.961811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4153.961811][ T7704] ___sys_sendmsg+0xee/0x170 [ 4153.961811][ T7704] __sys_sendmsg+0xcd/0x170 [ 4153.961811][ T7704] do_syscall_64+0xc6/0x1e0 [ 4153.961811][ T7704] [ 4153.964012][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4153.964012][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4153.964012][ T7704] ipv6_find_idev+0x102/0x170 [ 4153.964012][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4153.964012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.964012][ T7704] netlink_rcv_skb+0x130/0x360 [ 4153.964012][ T7704] netlink_unicast+0x449/0x710 [ 4153.964012][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4153.964012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4153.964012][ T7704] ___sys_sendmsg+0xee/0x170 [ 4153.964012][ T7704] __sys_sendmsg+0xcd/0x170 [ 4153.964012][ T7704] do_syscall_64+0xc6/0x1e0 [ 4153.964012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.964012][ T7704] [ 4153.966239][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4153.966239][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4153.966239][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4153.966239][ T7704] ipv6_find_idev+0x102/0x170 [ 4153.966239][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4153.966239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.966239][ T7704] netlink_rcv_skb+0x130/0x360 [ 4153.966239][ T7704] netlink_unicast+0x449/0x710 [ 4153.966239][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4153.966239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4153.966239][ T7704] ___sys_sendmsg+0xee/0x170 [ 4153.966239][ T7704] __sys_sendmsg+0xcd/0x170 [ 4153.966239][ T7704] do_syscall_64+0xc6/0x1e0 [ 4153.966239][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.966239][ T7704] [ 4163.996841][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4163.997345][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4163.997345][ T7704] netdev_get_by_index+0x5e/0x80 [ 4163.997345][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4163.997345][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4163.997345][ T7704] ip6_route_add+0x1c/0x140 [ 4163.997345][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4163.997345][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4163.997345][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.997345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.997345][ T7704] netlink_rcv_skb+0x130/0x360 [ 4163.997345][ T7704] netlink_unicast+0x449/0x710 [ 4163.997345][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4163.997345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4163.997345][ T7704] ___sys_sendmsg+0xee/0x170 [ 4163.997345][ T7704] __sys_sendmsg+0xcd/0x170 [ 4163.997345][ T7704] do_syscall_64+0xc6/0x1e0 [ 4163.997345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.997345][ T7704] [ 4163.999618][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4163.999618][ T7704] netdev_get_by_index+0x5e/0x80 [ 4163.999618][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4163.999618][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4163.999618][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4163.999618][ T7704] ipv6_add_addr+0x411/0x2000 [ 4163.999618][ T7704] inet6_addr_add+0x30e/0xa40 [ 4163.999618][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.999618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.999618][ T7704] netlink_rcv_skb+0x130/0x360 [ 4163.999618][ T7704] netlink_unicast+0x449/0x710 [ 4163.999618][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4163.999618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4163.999618][ T7704] ___sys_sendmsg+0xee/0x170 [ 4163.999618][ T7704] __sys_sendmsg+0xcd/0x170 [ 4163.999618][ T7704] do_syscall_64+0xc6/0x1e0 [ 4163.999618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.999618][ T7704] [ 4164.001870][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4164.001870][ T7704] netdev_get_by_index+0x5e/0x80 [ 4164.001870][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4164.001870][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4164.001870][ T7704] ip6_route_add+0x1c/0x140 [ 4164.001870][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4164.001870][ T7704] addrconf_add_dev+0xe2/0x170 [ 4164.001870][ T7704] inet6_addr_add+0x12f/0xa40 [ 4164.001870][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4164.001870][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4164.001870][ T7704] netlink_rcv_skb+0x130/0x360 [ 4164.001870][ T7704] netlink_unicast+0x449/0x710 [ 4164.001870][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4164.001870][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4164.001870][ T7704] ___sys_sendmsg+0xee/0x170 [ 4164.001870][ T7704] __sys_sendmsg+0xcd/0x170 [ 4164.001870][ T7704] do_syscall_64+0xc6/0x1e0 [ 4164.001870][ T7704] [ 4164.004067][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4164.004067][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4164.004067][ T7704] ipv6_find_idev+0x102/0x170 [ 4164.004067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4164.004067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4164.004067][ T7704] netlink_rcv_skb+0x130/0x360 [ 4164.004067][ T7704] netlink_unicast+0x449/0x710 [ 4164.004067][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4164.004067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4164.004067][ T7704] ___sys_sendmsg+0xee/0x170 [ 4164.004067][ T7704] __sys_sendmsg+0xcd/0x170 [ 4164.004067][ T7704] do_syscall_64+0xc6/0x1e0 [ 4164.004067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4164.004067][ T7704] [ 4164.005789][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4164.005789][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4164.005789][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4164.005789][ T7704] ipv6_find_idev+0x102/0x170 [ 4164.005789][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4164.005789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4164.005789][ T7704] netlink_rcv_skb+0x130/0x360 [ 4164.005789][ T7704] netlink_unicast+0x449/0x710 [ 4164.005789][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4164.005789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4164.005789][ T7704] ___sys_sendmsg+0xee/0x170 [ 4164.005789][ T7704] __sys_sendmsg+0xcd/0x170 [ 4164.005789][ T7704] do_syscall_64+0xc6/0x1e0 [ 4164.005789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4164.005789][ T7704] [ 4174.084794][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4174.085286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4174.085286][ T7704] netdev_get_by_index+0x5e/0x80 [ 4174.085286][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4174.085286][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4174.085286][ T7704] ip6_route_add+0x1c/0x140 [ 4174.085286][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4174.085286][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4174.085286][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4174.085286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4174.085286][ T7704] netlink_rcv_skb+0x130/0x360 [ 4174.085286][ T7704] netlink_unicast+0x449/0x710 [ 4174.085286][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4174.085286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4174.085286][ T7704] ___sys_sendmsg+0xee/0x170 [ 4174.085286][ T7704] __sys_sendmsg+0xcd/0x170 [ 4174.085286][ T7704] do_syscall_64+0xc6/0x1e0 [ 4174.085286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4174.085286][ T7704] [ 4174.087551][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4174.087551][ T7704] netdev_get_by_index+0x5e/0x80 [ 4174.087551][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4174.087551][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4174.087551][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4174.087551][ T7704] ipv6_add_addr+0x411/0x2000 [ 4174.087551][ T7704] inet6_addr_add+0x30e/0xa40 [ 4174.087551][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4174.087551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4174.087551][ T7704] netlink_rcv_skb+0x130/0x360 [ 4174.087551][ T7704] netlink_unicast+0x449/0x710 [ 4174.087551][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4174.087551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4174.087551][ T7704] ___sys_sendmsg+0xee/0x170 [ 4174.087551][ T7704] __sys_sendmsg+0xcd/0x170 [ 4174.087551][ T7704] do_syscall_64+0xc6/0x1e0 [ 4174.087551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4174.087551][ T7704] [ 4174.089793][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4174.089793][ T7704] netdev_get_by_index+0x5e/0x80 [ 4174.089793][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4174.089793][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4174.089793][ T7704] ip6_route_add+0x1c/0x140 [ 4174.089793][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4174.089793][ T7704] addrconf_add_dev+0xe2/0x170 [ 4174.089793][ T7704] inet6_addr_add+0x12f/0xa40 [ 4174.089793][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4174.089793][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4174.089793][ T7704] netlink_rcv_skb+0x130/0x360 [ 4174.089793][ T7704] netlink_unicast+0x449/0x710 [ 4174.089793][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4174.089793][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4174.089793][ T7704] ___sys_sendmsg+0xee/0x170 [ 4174.089793][ T7704] __sys_sendmsg+0xcd/0x170 [ 4174.089793][ T7704] do_syscall_64+0xc6/0x1e0 [ 4174.089793][ T7704] [ 4174.092066][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4174.092066][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4174.092066][ T7704] ipv6_find_idev+0x102/0x170 [ 4174.092066][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4174.092066][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4174.092066][ T7704] netlink_rcv_skb+0x130/0x360 [ 4174.092066][ T7704] netlink_unicast+0x449/0x710 [ 4174.092066][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4174.092066][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4174.092066][ T7704] ___sys_sendmsg+0xee/0x170 [ 4174.092066][ T7704] __sys_sendmsg+0xcd/0x170 [ 4174.092066][ T7704] do_syscall_64+0xc6/0x1e0 [ 4174.092066][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4174.092066][ T7704] [ 4174.093796][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4174.093796][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4174.093796][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4174.093796][ T7704] ipv6_find_idev+0x102/0x170 [ 4174.093796][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4174.093796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4174.093796][ T7704] netlink_rcv_skb+0x130/0x360 [ 4174.093796][ T7704] netlink_unicast+0x449/0x710 [ 4174.093796][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4174.093796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4174.093796][ T7704] ___sys_sendmsg+0xee/0x170 [ 4174.093796][ T7704] __sys_sendmsg+0xcd/0x170 [ 4174.093796][ T7704] do_syscall_64+0xc6/0x1e0 [ 4174.093796][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4174.093796][ T7704] [ 4184.332815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4184.333311][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4184.333311][ T7704] netdev_get_by_index+0x5e/0x80 [ 4184.333311][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4184.333311][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4184.333311][ T7704] ip6_route_add+0x1c/0x140 [ 4184.333311][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4184.333311][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4184.333311][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4184.333311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4184.333311][ T7704] netlink_rcv_skb+0x130/0x360 [ 4184.333311][ T7704] netlink_unicast+0x449/0x710 [ 4184.333311][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4184.333311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4184.333311][ T7704] ___sys_sendmsg+0xee/0x170 [ 4184.333311][ T7704] __sys_sendmsg+0xcd/0x170 [ 4184.333311][ T7704] do_syscall_64+0xc6/0x1e0 [ 4184.333311][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4184.333311][ T7704] [ 4184.335573][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4184.335573][ T7704] netdev_get_by_index+0x5e/0x80 [ 4184.335573][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4184.335573][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4184.335573][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4184.335573][ T7704] ipv6_add_addr+0x411/0x2000 [ 4184.335573][ T7704] inet6_addr_add+0x30e/0xa40 [ 4184.335573][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4184.335573][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4184.335573][ T7704] netlink_rcv_skb+0x130/0x360 [ 4184.335573][ T7704] netlink_unicast+0x449/0x710 [ 4184.335573][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4184.335573][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4184.335573][ T7704] ___sys_sendmsg+0xee/0x170 [ 4184.335573][ T7704] __sys_sendmsg+0xcd/0x170 [ 4184.335573][ T7704] do_syscall_64+0xc6/0x1e0 [ 4184.335573][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4184.335573][ T7704] [ 4184.337811][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4184.337811][ T7704] netdev_get_by_index+0x5e/0x80 [ 4184.337811][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4184.337811][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4184.337811][ T7704] ip6_route_add+0x1c/0x140 [ 4184.337811][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4184.337811][ T7704] addrconf_add_dev+0xe2/0x170 [ 4184.337811][ T7704] inet6_addr_add+0x12f/0xa40 [ 4184.337811][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4184.337811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4184.337811][ T7704] netlink_rcv_skb+0x130/0x360 [ 4184.337811][ T7704] netlink_unicast+0x449/0x710 [ 4184.337811][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4184.337811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4184.337811][ T7704] ___sys_sendmsg+0xee/0x170 [ 4184.337811][ T7704] __sys_sendmsg+0xcd/0x170 [ 4184.337811][ T7704] do_syscall_64+0xc6/0x1e0 [ 4184.337811][ T7704] [ 4184.340023][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4184.340023][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4184.340023][ T7704] ipv6_find_idev+0x102/0x170 [ 4184.340023][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4184.340023][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4184.340023][ T7704] netlink_rcv_skb+0x130/0x360 [ 4184.340023][ T7704] netlink_unicast+0x449/0x710 [ 4184.340023][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4184.340023][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4184.340023][ T7704] ___sys_sendmsg+0xee/0x170 [ 4184.340023][ T7704] __sys_sendmsg+0xcd/0x170 [ 4184.340023][ T7704] do_syscall_64+0xc6/0x1e0 [ 4184.340023][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4184.340023][ T7704] [ 4184.341763][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4184.341763][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4184.341763][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4184.341763][ T7704] ipv6_find_idev+0x102/0x170 [ 4184.341763][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4184.341763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4184.341763][ T7704] netlink_rcv_skb+0x130/0x360 [ 4184.341763][ T7704] netlink_unicast+0x449/0x710 [ 4184.341763][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4184.341763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4184.341763][ T7704] ___sys_sendmsg+0xee/0x170 [ 4184.341763][ T7704] __sys_sendmsg+0xcd/0x170 [ 4184.341763][ T7704] do_syscall_64+0xc6/0x1e0 [ 4184.341763][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4184.341763][ T7704] [ 4194.580862][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4194.581357][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4194.581357][ T7704] netdev_get_by_index+0x5e/0x80 [ 4194.581357][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4194.581357][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4194.581357][ T7704] ip6_route_add+0x1c/0x140 [ 4194.581357][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4194.581357][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4194.581357][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.581357][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.581357][ T7704] netlink_rcv_skb+0x130/0x360 [ 4194.581357][ T7704] netlink_unicast+0x449/0x710 [ 4194.581357][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4194.581357][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4194.581357][ T7704] ___sys_sendmsg+0xee/0x170 [ 4194.581357][ T7704] __sys_sendmsg+0xcd/0x170 [ 4194.581357][ T7704] do_syscall_64+0xc6/0x1e0 [ 4194.581357][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.581357][ T7704] [ 4194.583620][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4194.583620][ T7704] netdev_get_by_index+0x5e/0x80 [ 4194.583620][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4194.583620][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4194.583620][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4194.583620][ T7704] ipv6_add_addr+0x411/0x2000 [ 4194.583620][ T7704] inet6_addr_add+0x30e/0xa40 [ 4194.583620][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.583620][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.583620][ T7704] netlink_rcv_skb+0x130/0x360 [ 4194.583620][ T7704] netlink_unicast+0x449/0x710 [ 4194.583620][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4194.583620][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4194.583620][ T7704] ___sys_sendmsg+0xee/0x170 [ 4194.583620][ T7704] __sys_sendmsg+0xcd/0x170 [ 4194.583620][ T7704] do_syscall_64+0xc6/0x1e0 [ 4194.583620][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.583620][ T7704] [ 4194.585856][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4194.585856][ T7704] netdev_get_by_index+0x5e/0x80 [ 4194.585856][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4194.585856][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4194.585856][ T7704] ip6_route_add+0x1c/0x140 [ 4194.585856][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4194.585856][ T7704] addrconf_add_dev+0xe2/0x170 [ 4194.585856][ T7704] inet6_addr_add+0x12f/0xa40 [ 4194.585856][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.585856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.585856][ T7704] netlink_rcv_skb+0x130/0x360 [ 4194.585856][ T7704] netlink_unicast+0x449/0x710 [ 4194.585856][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4194.585856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4194.585856][ T7704] ___sys_sendmsg+0xee/0x170 [ 4194.585856][ T7704] __sys_sendmsg+0xcd/0x170 [ 4194.585856][ T7704] do_syscall_64+0xc6/0x1e0 [ 4194.585856][ T7704] [ 4194.588055][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4194.588055][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4194.588055][ T7704] ipv6_find_idev+0x102/0x170 [ 4194.588055][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4194.588055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.588055][ T7704] netlink_rcv_skb+0x130/0x360 [ 4194.588055][ T7704] netlink_unicast+0x449/0x710 [ 4194.588055][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4194.588055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4194.588055][ T7704] ___sys_sendmsg+0xee/0x170 [ 4194.588055][ T7704] __sys_sendmsg+0xcd/0x170 [ 4194.588055][ T7704] do_syscall_64+0xc6/0x1e0 [ 4194.588055][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.588055][ T7704] [ 4194.589779][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4194.589779][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4194.589779][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4194.589779][ T7704] ipv6_find_idev+0x102/0x170 [ 4194.589779][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4194.589779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.589779][ T7704] netlink_rcv_skb+0x130/0x360 [ 4194.589779][ T7704] netlink_unicast+0x449/0x710 [ 4194.589779][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4194.589779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4194.589779][ T7704] ___sys_sendmsg+0xee/0x170 [ 4194.589779][ T7704] __sys_sendmsg+0xcd/0x170 [ 4194.589779][ T7704] do_syscall_64+0xc6/0x1e0 [ 4194.589779][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.589779][ T7704] [ 4204.828889][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4204.829320][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4204.829320][ T7704] netdev_get_by_index+0x5e/0x80 [ 4204.829320][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4204.829320][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4204.829320][ T7704] ip6_route_add+0x1c/0x140 [ 4204.829320][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4204.829320][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4204.829320][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.829320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.829320][ T7704] netlink_rcv_skb+0x130/0x360 [ 4204.829320][ T7704] netlink_unicast+0x449/0x710 [ 4204.829320][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4204.829320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4204.829320][ T7704] ___sys_sendmsg+0xee/0x170 [ 4204.829320][ T7704] __sys_sendmsg+0xcd/0x170 [ 4204.829320][ T7704] do_syscall_64+0xc6/0x1e0 [ 4204.829320][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.829320][ T7704] [ 4204.831635][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4204.831635][ T7704] netdev_get_by_index+0x5e/0x80 [ 4204.831635][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4204.831635][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4204.831635][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4204.831635][ T7704] ipv6_add_addr+0x411/0x2000 [ 4204.831635][ T7704] inet6_addr_add+0x30e/0xa40 [ 4204.831635][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.831635][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.831635][ T7704] netlink_rcv_skb+0x130/0x360 [ 4204.831635][ T7704] netlink_unicast+0x449/0x710 [ 4204.831635][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4204.831635][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4204.831635][ T7704] ___sys_sendmsg+0xee/0x170 [ 4204.831635][ T7704] __sys_sendmsg+0xcd/0x170 [ 4204.831635][ T7704] do_syscall_64+0xc6/0x1e0 [ 4204.831635][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.831635][ T7704] [ 4204.833884][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4204.833884][ T7704] netdev_get_by_index+0x5e/0x80 [ 4204.833884][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4204.833884][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4204.833884][ T7704] ip6_route_add+0x1c/0x140 [ 4204.833884][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4204.833884][ T7704] addrconf_add_dev+0xe2/0x170 [ 4204.833884][ T7704] inet6_addr_add+0x12f/0xa40 [ 4204.833884][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.833884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.833884][ T7704] netlink_rcv_skb+0x130/0x360 [ 4204.833884][ T7704] netlink_unicast+0x449/0x710 [ 4204.833884][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4204.833884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4204.833884][ T7704] ___sys_sendmsg+0xee/0x170 [ 4204.833884][ T7704] __sys_sendmsg+0xcd/0x170 [ 4204.833884][ T7704] do_syscall_64+0xc6/0x1e0 [ 4204.833884][ T7704] [ 4204.836088][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4204.836088][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4204.836088][ T7704] ipv6_find_idev+0x102/0x170 [ 4204.836088][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4204.836088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.836088][ T7704] netlink_rcv_skb+0x130/0x360 [ 4204.836088][ T7704] netlink_unicast+0x449/0x710 [ 4204.836088][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4204.836088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4204.836088][ T7704] ___sys_sendmsg+0xee/0x170 [ 4204.836088][ T7704] __sys_sendmsg+0xcd/0x170 [ 4204.836088][ T7704] do_syscall_64+0xc6/0x1e0 [ 4204.836088][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.836088][ T7704] [ 4204.838315][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4204.838315][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4204.838315][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4204.838315][ T7704] ipv6_find_idev+0x102/0x170 [ 4204.838315][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4204.838315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.838315][ T7704] netlink_rcv_skb+0x130/0x360 [ 4204.838315][ T7704] netlink_unicast+0x449/0x710 [ 4204.838315][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4204.838315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4204.838315][ T7704] ___sys_sendmsg+0xee/0x170 [ 4204.838315][ T7704] __sys_sendmsg+0xcd/0x170 [ 4204.838315][ T7704] do_syscall_64+0xc6/0x1e0 [ 4204.838315][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.838315][ T7704] [ 4215.076837][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4215.077252][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4215.077252][ T7704] netdev_get_by_index+0x5e/0x80 [ 4215.077252][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4215.077252][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4215.077252][ T7704] ip6_route_add+0x1c/0x140 [ 4215.077252][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4215.077252][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4215.077252][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4215.077252][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4215.077252][ T7704] netlink_rcv_skb+0x130/0x360 [ 4215.077252][ T7704] netlink_unicast+0x449/0x710 [ 4215.077252][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4215.077252][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4215.077252][ T7704] ___sys_sendmsg+0xee/0x170 [ 4215.077252][ T7704] __sys_sendmsg+0xcd/0x170 [ 4215.077252][ T7704] do_syscall_64+0xc6/0x1e0 [ 4215.077252][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4215.077252][ T7704] [ 4215.079488][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4215.079488][ T7704] netdev_get_by_index+0x5e/0x80 [ 4215.079488][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4215.079488][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4215.079488][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4215.079488][ T7704] ipv6_add_addr+0x411/0x2000 [ 4215.079488][ T7704] inet6_addr_add+0x30e/0xa40 [ 4215.079488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4215.079488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4215.079488][ T7704] netlink_rcv_skb+0x130/0x360 [ 4215.079488][ T7704] netlink_unicast+0x449/0x710 [ 4215.079488][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4215.079488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4215.079488][ T7704] ___sys_sendmsg+0xee/0x170 [ 4215.079488][ T7704] __sys_sendmsg+0xcd/0x170 [ 4215.079488][ T7704] do_syscall_64+0xc6/0x1e0 [ 4215.079488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4215.079488][ T7704] [ 4215.081699][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4215.081699][ T7704] netdev_get_by_index+0x5e/0x80 [ 4215.081699][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4215.081699][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4215.081699][ T7704] ip6_route_add+0x1c/0x140 [ 4215.081699][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4215.081699][ T7704] addrconf_add_dev+0xe2/0x170 [ 4215.081699][ T7704] inet6_addr_add+0x12f/0xa40 [ 4215.081699][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4215.081699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4215.081699][ T7704] netlink_rcv_skb+0x130/0x360 [ 4215.081699][ T7704] netlink_unicast+0x449/0x710 [ 4215.081699][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4215.081699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4215.081699][ T7704] ___sys_sendmsg+0xee/0x170 [ 4215.081699][ T7704] __sys_sendmsg+0xcd/0x170 [ 4215.081699][ T7704] do_syscall_64+0xc6/0x1e0 [ 4215.081699][ T7704] [ 4215.083868][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4215.083868][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4215.083868][ T7704] ipv6_find_idev+0x102/0x170 [ 4215.083868][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4215.083868][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4215.083868][ T7704] netlink_rcv_skb+0x130/0x360 [ 4215.083868][ T7704] netlink_unicast+0x449/0x710 [ 4215.083868][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4215.083868][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4215.083868][ T7704] ___sys_sendmsg+0xee/0x170 [ 4215.083868][ T7704] __sys_sendmsg+0xcd/0x170 [ 4215.083868][ T7704] do_syscall_64+0xc6/0x1e0 [ 4215.083868][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4215.083868][ T7704] [ 4215.085582][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4215.085582][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4215.085582][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4215.085582][ T7704] ipv6_find_idev+0x102/0x170 [ 4215.085582][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4215.085582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4215.085582][ T7704] netlink_rcv_skb+0x130/0x360 [ 4215.085582][ T7704] netlink_unicast+0x449/0x710 [ 4215.085582][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4215.085582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4215.085582][ T7704] ___sys_sendmsg+0xee/0x170 [ 4215.085582][ T7704] __sys_sendmsg+0xcd/0x170 [ 4215.085582][ T7704] do_syscall_64+0xc6/0x1e0 [ 4215.085582][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4215.085582][ T7704] [ 4225.324828][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4225.325248][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4225.325248][ T7704] netdev_get_by_index+0x5e/0x80 [ 4225.325248][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4225.325248][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4225.325248][ T7704] ip6_route_add+0x1c/0x140 [ 4225.325248][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4225.325248][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4225.325248][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4225.325248][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4225.325248][ T7704] netlink_rcv_skb+0x130/0x360 [ 4225.325248][ T7704] netlink_unicast+0x449/0x710 [ 4225.325248][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4225.325248][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4225.325248][ T7704] ___sys_sendmsg+0xee/0x170 [ 4225.325248][ T7704] __sys_sendmsg+0xcd/0x170 [ 4225.325248][ T7704] do_syscall_64+0xc6/0x1e0 [ 4225.325248][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4225.325248][ T7704] [ 4225.327493][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4225.327493][ T7704] netdev_get_by_index+0x5e/0x80 [ 4225.327493][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4225.327493][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4225.327493][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4225.327493][ T7704] ipv6_add_addr+0x411/0x2000 [ 4225.327493][ T7704] inet6_addr_add+0x30e/0xa40 [ 4225.327493][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4225.327493][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4225.327493][ T7704] netlink_rcv_skb+0x130/0x360 [ 4225.327493][ T7704] netlink_unicast+0x449/0x710 [ 4225.327493][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4225.327493][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4225.327493][ T7704] ___sys_sendmsg+0xee/0x170 [ 4225.327493][ T7704] __sys_sendmsg+0xcd/0x170 [ 4225.327493][ T7704] do_syscall_64+0xc6/0x1e0 [ 4225.327493][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4225.327493][ T7704] [ 4225.329714][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4225.329714][ T7704] netdev_get_by_index+0x5e/0x80 [ 4225.329714][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4225.329714][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4225.329714][ T7704] ip6_route_add+0x1c/0x140 [ 4225.329714][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4225.329714][ T7704] addrconf_add_dev+0xe2/0x170 [ 4225.329714][ T7704] inet6_addr_add+0x12f/0xa40 [ 4225.329714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4225.329714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4225.329714][ T7704] netlink_rcv_skb+0x130/0x360 [ 4225.329714][ T7704] netlink_unicast+0x449/0x710 [ 4225.329714][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4225.329714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4225.329714][ T7704] ___sys_sendmsg+0xee/0x170 [ 4225.329714][ T7704] __sys_sendmsg+0xcd/0x170 [ 4225.329714][ T7704] do_syscall_64+0xc6/0x1e0 [ 4225.329714][ T7704] [ 4225.331926][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4225.331926][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4225.331926][ T7704] ipv6_find_idev+0x102/0x170 [ 4225.331926][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4225.331926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4225.331926][ T7704] netlink_rcv_skb+0x130/0x360 [ 4225.331926][ T7704] netlink_unicast+0x449/0x710 [ 4225.331926][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4225.331926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4225.331926][ T7704] ___sys_sendmsg+0xee/0x170 [ 4225.331926][ T7704] __sys_sendmsg+0xcd/0x170 [ 4225.331926][ T7704] do_syscall_64+0xc6/0x1e0 [ 4225.331926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4225.331926][ T7704] [ 4225.333636][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4225.333636][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4225.333636][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4225.333636][ T7704] ipv6_find_idev+0x102/0x170 [ 4225.333636][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4225.333636][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4225.333636][ T7704] netlink_rcv_skb+0x130/0x360 [ 4225.333636][ T7704] netlink_unicast+0x449/0x710 [ 4225.333636][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4225.333636][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4225.333636][ T7704] ___sys_sendmsg+0xee/0x170 [ 4225.333636][ T7704] __sys_sendmsg+0xcd/0x170 [ 4225.333636][ T7704] do_syscall_64+0xc6/0x1e0 [ 4225.333636][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4225.333636][ T7704] [ 4235.572843][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4235.573267][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4235.573267][ T7704] netdev_get_by_index+0x5e/0x80 [ 4235.573267][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4235.573267][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4235.573267][ T7704] ip6_route_add+0x1c/0x140 [ 4235.573267][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4235.573267][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4235.573267][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4235.573267][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.573267][ T7704] netlink_rcv_skb+0x130/0x360 [ 4235.573267][ T7704] netlink_unicast+0x449/0x710 [ 4235.573267][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4235.573267][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4235.573267][ T7704] ___sys_sendmsg+0xee/0x170 [ 4235.573267][ T7704] __sys_sendmsg+0xcd/0x170 [ 4235.573267][ T7704] do_syscall_64+0xc6/0x1e0 [ 4235.573267][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.573267][ T7704] [ 4235.575501][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4235.575501][ T7704] netdev_get_by_index+0x5e/0x80 [ 4235.575501][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4235.575501][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4235.575501][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4235.575501][ T7704] ipv6_add_addr+0x411/0x2000 [ 4235.575501][ T7704] inet6_addr_add+0x30e/0xa40 [ 4235.575501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4235.575501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.575501][ T7704] netlink_rcv_skb+0x130/0x360 [ 4235.575501][ T7704] netlink_unicast+0x449/0x710 [ 4235.575501][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4235.575501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4235.575501][ T7704] ___sys_sendmsg+0xee/0x170 [ 4235.575501][ T7704] __sys_sendmsg+0xcd/0x170 [ 4235.575501][ T7704] do_syscall_64+0xc6/0x1e0 [ 4235.575501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.575501][ T7704] [ 4235.577721][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4235.577721][ T7704] netdev_get_by_index+0x5e/0x80 [ 4235.577721][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4235.577721][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4235.577721][ T7704] ip6_route_add+0x1c/0x140 [ 4235.577721][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4235.577721][ T7704] addrconf_add_dev+0xe2/0x170 [ 4235.577721][ T7704] inet6_addr_add+0x12f/0xa40 [ 4235.577721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4235.577721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.577721][ T7704] netlink_rcv_skb+0x130/0x360 [ 4235.577721][ T7704] netlink_unicast+0x449/0x710 [ 4235.577721][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4235.577721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4235.577721][ T7704] ___sys_sendmsg+0xee/0x170 [ 4235.577721][ T7704] __sys_sendmsg+0xcd/0x170 [ 4235.577721][ T7704] do_syscall_64+0xc6/0x1e0 [ 4235.577721][ T7704] [ 4235.579905][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4235.579905][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4235.579905][ T7704] ipv6_find_idev+0x102/0x170 [ 4235.579905][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4235.579905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.579905][ T7704] netlink_rcv_skb+0x130/0x360 [ 4235.579905][ T7704] netlink_unicast+0x449/0x710 [ 4235.579905][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4235.579905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4235.579905][ T7704] ___sys_sendmsg+0xee/0x170 [ 4235.579905][ T7704] __sys_sendmsg+0xcd/0x170 [ 4235.579905][ T7704] do_syscall_64+0xc6/0x1e0 [ 4235.579905][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.579905][ T7704] [ 4235.581631][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4235.581631][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4235.581631][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4235.581631][ T7704] ipv6_find_idev+0x102/0x170 [ 4235.581631][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4235.581631][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.581631][ T7704] netlink_rcv_skb+0x130/0x360 [ 4235.581631][ T7704] netlink_unicast+0x449/0x710 [ 4235.581631][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4235.581631][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4235.581631][ T7704] ___sys_sendmsg+0xee/0x170 [ 4235.581631][ T7704] __sys_sendmsg+0xcd/0x170 [ 4235.581631][ T7704] do_syscall_64+0xc6/0x1e0 [ 4235.581631][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.581631][ T7704] [ 4245.820759][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4245.821236][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4245.821236][ T7704] netdev_get_by_index+0x5e/0x80 [ 4245.821236][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4245.821236][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4245.821236][ T7704] ip6_route_add+0x1c/0x140 [ 4245.821236][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4245.821236][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4245.821236][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.821236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.821236][ T7704] netlink_rcv_skb+0x130/0x360 [ 4245.821236][ T7704] netlink_unicast+0x449/0x710 [ 4245.821236][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4245.821236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4245.821236][ T7704] ___sys_sendmsg+0xee/0x170 [ 4245.821236][ T7704] __sys_sendmsg+0xcd/0x170 [ 4245.821236][ T7704] do_syscall_64+0xc6/0x1e0 [ 4245.821236][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.821236][ T7704] [ 4245.823510][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4245.823510][ T7704] netdev_get_by_index+0x5e/0x80 [ 4245.823510][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4245.823510][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4245.823510][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4245.823510][ T7704] ipv6_add_addr+0x411/0x2000 [ 4245.823510][ T7704] inet6_addr_add+0x30e/0xa40 [ 4245.823510][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.823510][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.823510][ T7704] netlink_rcv_skb+0x130/0x360 [ 4245.823510][ T7704] netlink_unicast+0x449/0x710 [ 4245.823510][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4245.823510][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4245.823510][ T7704] ___sys_sendmsg+0xee/0x170 [ 4245.823510][ T7704] __sys_sendmsg+0xcd/0x170 [ 4245.823510][ T7704] do_syscall_64+0xc6/0x1e0 [ 4245.823510][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.823510][ T7704] [ 4245.825742][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4245.825742][ T7704] netdev_get_by_index+0x5e/0x80 [ 4245.825742][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4245.825742][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4245.825742][ T7704] ip6_route_add+0x1c/0x140 [ 4245.825742][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4245.825742][ T7704] addrconf_add_dev+0xe2/0x170 [ 4245.825742][ T7704] inet6_addr_add+0x12f/0xa40 [ 4245.825742][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.825742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.825742][ T7704] netlink_rcv_skb+0x130/0x360 [ 4245.825742][ T7704] netlink_unicast+0x449/0x710 [ 4245.825742][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4245.825742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4245.825742][ T7704] ___sys_sendmsg+0xee/0x170 [ 4245.825742][ T7704] __sys_sendmsg+0xcd/0x170 [ 4245.825742][ T7704] do_syscall_64+0xc6/0x1e0 [ 4245.825742][ T7704] [ 4245.827929][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4245.827929][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4245.827929][ T7704] ipv6_find_idev+0x102/0x170 [ 4245.827929][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4245.827929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.827929][ T7704] netlink_rcv_skb+0x130/0x360 [ 4245.827929][ T7704] netlink_unicast+0x449/0x710 [ 4245.827929][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4245.827929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4245.827929][ T7704] ___sys_sendmsg+0xee/0x170 [ 4245.827929][ T7704] __sys_sendmsg+0xcd/0x170 [ 4245.827929][ T7704] do_syscall_64+0xc6/0x1e0 [ 4245.827929][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.827929][ T7704] [ 4245.829670][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4245.829670][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4245.829670][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4245.829670][ T7704] ipv6_find_idev+0x102/0x170 [ 4245.829670][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4245.829670][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.829670][ T7704] netlink_rcv_skb+0x130/0x360 [ 4245.829670][ T7704] netlink_unicast+0x449/0x710 [ 4245.829670][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4245.829670][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4245.829670][ T7704] ___sys_sendmsg+0xee/0x170 [ 4245.829670][ T7704] __sys_sendmsg+0xcd/0x170 [ 4245.829670][ T7704] do_syscall_64+0xc6/0x1e0 [ 4245.829670][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.829670][ T7704] [ 4256.068815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4256.069320][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4256.069320][ T7704] netdev_get_by_index+0x5e/0x80 [ 4256.069320][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4256.069320][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4256.069320][ T7704] ip6_route_add+0x1c/0x140 [ 4256.069320][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4256.069320][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4256.069320][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4256.069320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4256.069320][ T7704] netlink_rcv_skb+0x130/0x360 [ 4256.069320][ T7704] netlink_unicast+0x449/0x710 [ 4256.069320][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4256.069320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4256.069320][ T7704] ___sys_sendmsg+0xee/0x170 [ 4256.069320][ T7704] __sys_sendmsg+0xcd/0x170 [ 4256.069320][ T7704] do_syscall_64+0xc6/0x1e0 [ 4256.069320][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4256.069320][ T7704] [ 4256.071554][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4256.071554][ T7704] netdev_get_by_index+0x5e/0x80 [ 4256.071554][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4256.071554][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4256.071554][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4256.071554][ T7704] ipv6_add_addr+0x411/0x2000 [ 4256.071554][ T7704] inet6_addr_add+0x30e/0xa40 [ 4256.071554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4256.071554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4256.071554][ T7704] netlink_rcv_skb+0x130/0x360 [ 4256.071554][ T7704] netlink_unicast+0x449/0x710 [ 4256.071554][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4256.071554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4256.071554][ T7704] ___sys_sendmsg+0xee/0x170 [ 4256.071554][ T7704] __sys_sendmsg+0xcd/0x170 [ 4256.071554][ T7704] do_syscall_64+0xc6/0x1e0 [ 4256.071554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4256.071554][ T7704] [ 4256.073762][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4256.073762][ T7704] netdev_get_by_index+0x5e/0x80 [ 4256.073762][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4256.073762][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4256.073762][ T7704] ip6_route_add+0x1c/0x140 [ 4256.073762][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4256.073762][ T7704] addrconf_add_dev+0xe2/0x170 [ 4256.073762][ T7704] inet6_addr_add+0x12f/0xa40 [ 4256.073762][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4256.073762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4256.073762][ T7704] netlink_rcv_skb+0x130/0x360 [ 4256.073762][ T7704] netlink_unicast+0x449/0x710 [ 4256.073762][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4256.073762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4256.073762][ T7704] ___sys_sendmsg+0xee/0x170 [ 4256.073762][ T7704] __sys_sendmsg+0xcd/0x170 [ 4256.073762][ T7704] do_syscall_64+0xc6/0x1e0 [ 4256.073762][ T7704] [ 4256.075924][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4256.075924][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4256.075924][ T7704] ipv6_find_idev+0x102/0x170 [ 4256.075924][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4256.075924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4256.075924][ T7704] netlink_rcv_skb+0x130/0x360 [ 4256.075924][ T7704] netlink_unicast+0x449/0x710 [ 4256.075924][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4256.075924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4256.075924][ T7704] ___sys_sendmsg+0xee/0x170 [ 4256.075924][ T7704] __sys_sendmsg+0xcd/0x170 [ 4256.075924][ T7704] do_syscall_64+0xc6/0x1e0 [ 4256.075924][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4256.075924][ T7704] [ 4256.077630][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4256.077630][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4256.077630][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4256.077630][ T7704] ipv6_find_idev+0x102/0x170 [ 4256.077630][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4256.077630][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4256.077630][ T7704] netlink_rcv_skb+0x130/0x360 [ 4256.077630][ T7704] netlink_unicast+0x449/0x710 [ 4256.077630][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4256.077630][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4256.077630][ T7704] ___sys_sendmsg+0xee/0x170 [ 4256.077630][ T7704] __sys_sendmsg+0xcd/0x170 [ 4256.077630][ T7704] do_syscall_64+0xc6/0x1e0 [ 4256.077630][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4256.077630][ T7704] [ 4266.316901][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4266.317393][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4266.317393][ T7704] netdev_get_by_index+0x5e/0x80 [ 4266.317393][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4266.317393][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4266.317393][ T7704] ip6_route_add+0x1c/0x140 [ 4266.317393][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4266.317393][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4266.317393][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4266.317393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.317393][ T7704] netlink_rcv_skb+0x130/0x360 [ 4266.317393][ T7704] netlink_unicast+0x449/0x710 [ 4266.317393][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4266.317393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4266.317393][ T7704] ___sys_sendmsg+0xee/0x170 [ 4266.317393][ T7704] __sys_sendmsg+0xcd/0x170 [ 4266.317393][ T7704] do_syscall_64+0xc6/0x1e0 [ 4266.317393][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.317393][ T7704] [ 4266.319619][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4266.319619][ T7704] netdev_get_by_index+0x5e/0x80 [ 4266.319619][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4266.319619][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4266.319619][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4266.319619][ T7704] ipv6_add_addr+0x411/0x2000 [ 4266.319619][ T7704] inet6_addr_add+0x30e/0xa40 [ 4266.319619][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4266.319619][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.319619][ T7704] netlink_rcv_skb+0x130/0x360 [ 4266.319619][ T7704] netlink_unicast+0x449/0x710 [ 4266.319619][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4266.319619][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4266.319619][ T7704] ___sys_sendmsg+0xee/0x170 [ 4266.319619][ T7704] __sys_sendmsg+0xcd/0x170 [ 4266.319619][ T7704] do_syscall_64+0xc6/0x1e0 [ 4266.319619][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.319619][ T7704] [ 4266.321844][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4266.321844][ T7704] netdev_get_by_index+0x5e/0x80 [ 4266.321844][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4266.321844][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4266.321844][ T7704] ip6_route_add+0x1c/0x140 [ 4266.321844][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4266.321844][ T7704] addrconf_add_dev+0xe2/0x170 [ 4266.321844][ T7704] inet6_addr_add+0x12f/0xa40 [ 4266.321844][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4266.321844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.321844][ T7704] netlink_rcv_skb+0x130/0x360 [ 4266.321844][ T7704] netlink_unicast+0x449/0x710 [ 4266.321844][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4266.321844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4266.321844][ T7704] ___sys_sendmsg+0xee/0x170 [ 4266.321844][ T7704] __sys_sendmsg+0xcd/0x170 [ 4266.321844][ T7704] do_syscall_64+0xc6/0x1e0 [ 4266.321844][ T7704] [ 4266.324024][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4266.324024][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4266.324024][ T7704] ipv6_find_idev+0x102/0x170 [ 4266.324024][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4266.324024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.324024][ T7704] netlink_rcv_skb+0x130/0x360 [ 4266.324024][ T7704] netlink_unicast+0x449/0x710 [ 4266.324024][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4266.324024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4266.324024][ T7704] ___sys_sendmsg+0xee/0x170 [ 4266.324024][ T7704] __sys_sendmsg+0xcd/0x170 [ 4266.324024][ T7704] do_syscall_64+0xc6/0x1e0 [ 4266.324024][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.324024][ T7704] [ 4266.325724][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4266.325724][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4266.325724][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4266.325724][ T7704] ipv6_find_idev+0x102/0x170 [ 4266.325724][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4266.325724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.325724][ T7704] netlink_rcv_skb+0x130/0x360 [ 4266.325724][ T7704] netlink_unicast+0x449/0x710 [ 4266.325724][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4266.325724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4266.325724][ T7704] ___sys_sendmsg+0xee/0x170 [ 4266.325724][ T7704] __sys_sendmsg+0xcd/0x170 [ 4266.325724][ T7704] do_syscall_64+0xc6/0x1e0 [ 4266.325724][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.325724][ T7704] [ 4276.564817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4276.565281][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4276.565281][ T7704] netdev_get_by_index+0x5e/0x80 [ 4276.565281][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4276.565281][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4276.565281][ T7704] ip6_route_add+0x1c/0x140 [ 4276.565281][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4276.565281][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4276.565281][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.565281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.565281][ T7704] netlink_rcv_skb+0x130/0x360 [ 4276.565281][ T7704] netlink_unicast+0x449/0x710 [ 4276.565281][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4276.565281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4276.565281][ T7704] ___sys_sendmsg+0xee/0x170 [ 4276.565281][ T7704] __sys_sendmsg+0xcd/0x170 [ 4276.565281][ T7704] do_syscall_64+0xc6/0x1e0 [ 4276.565281][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.565281][ T7704] [ 4276.567513][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4276.567513][ T7704] netdev_get_by_index+0x5e/0x80 [ 4276.567513][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4276.567513][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4276.567513][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4276.567513][ T7704] ipv6_add_addr+0x411/0x2000 [ 4276.567513][ T7704] inet6_addr_add+0x30e/0xa40 [ 4276.567513][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.567513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.567513][ T7704] netlink_rcv_skb+0x130/0x360 [ 4276.567513][ T7704] netlink_unicast+0x449/0x710 [ 4276.567513][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4276.567513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4276.567513][ T7704] ___sys_sendmsg+0xee/0x170 [ 4276.567513][ T7704] __sys_sendmsg+0xcd/0x170 [ 4276.567513][ T7704] do_syscall_64+0xc6/0x1e0 [ 4276.567513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.567513][ T7704] [ 4276.569730][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4276.569730][ T7704] netdev_get_by_index+0x5e/0x80 [ 4276.569730][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4276.569730][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4276.569730][ T7704] ip6_route_add+0x1c/0x140 [ 4276.569730][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4276.569730][ T7704] addrconf_add_dev+0xe2/0x170 [ 4276.569730][ T7704] inet6_addr_add+0x12f/0xa40 [ 4276.569730][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.569730][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.569730][ T7704] netlink_rcv_skb+0x130/0x360 [ 4276.569730][ T7704] netlink_unicast+0x449/0x710 [ 4276.569730][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4276.569730][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4276.569730][ T7704] ___sys_sendmsg+0xee/0x170 [ 4276.569730][ T7704] __sys_sendmsg+0xcd/0x170 [ 4276.569730][ T7704] do_syscall_64+0xc6/0x1e0 [ 4276.569730][ T7704] [ 4276.571922][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4276.571922][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4276.571922][ T7704] ipv6_find_idev+0x102/0x170 [ 4276.571922][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4276.571922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.571922][ T7704] netlink_rcv_skb+0x130/0x360 [ 4276.571922][ T7704] netlink_unicast+0x449/0x710 [ 4276.571922][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4276.571922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4276.571922][ T7704] ___sys_sendmsg+0xee/0x170 [ 4276.571922][ T7704] __sys_sendmsg+0xcd/0x170 [ 4276.571922][ T7704] do_syscall_64+0xc6/0x1e0 [ 4276.571922][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.571922][ T7704] [ 4276.573623][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4276.573623][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4276.573623][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4276.573623][ T7704] ipv6_find_idev+0x102/0x170 [ 4276.573623][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4276.573623][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.573623][ T7704] netlink_rcv_skb+0x130/0x360 [ 4276.573623][ T7704] netlink_unicast+0x449/0x710 [ 4276.573623][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4276.573623][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4276.573623][ T7704] ___sys_sendmsg+0xee/0x170 [ 4276.573623][ T7704] __sys_sendmsg+0xcd/0x170 [ 4276.573623][ T7704] do_syscall_64+0xc6/0x1e0 [ 4276.573623][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.573623][ T7704] [ 4286.812824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4286.813245][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4286.813245][ T7704] netdev_get_by_index+0x5e/0x80 [ 4286.813245][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4286.813245][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4286.813245][ T7704] ip6_route_add+0x1c/0x140 [ 4286.813245][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4286.813245][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4286.813245][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.813245][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.813245][ T7704] netlink_rcv_skb+0x130/0x360 [ 4286.813245][ T7704] netlink_unicast+0x449/0x710 [ 4286.813245][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4286.813245][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4286.813245][ T7704] ___sys_sendmsg+0xee/0x170 [ 4286.813245][ T7704] __sys_sendmsg+0xcd/0x170 [ 4286.813245][ T7704] do_syscall_64+0xc6/0x1e0 [ 4286.813245][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.813245][ T7704] [ 4286.815490][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4286.815490][ T7704] netdev_get_by_index+0x5e/0x80 [ 4286.815490][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4286.815490][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4286.815490][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4286.815490][ T7704] ipv6_add_addr+0x411/0x2000 [ 4286.815490][ T7704] inet6_addr_add+0x30e/0xa40 [ 4286.815490][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.815490][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.815490][ T7704] netlink_rcv_skb+0x130/0x360 [ 4286.815490][ T7704] netlink_unicast+0x449/0x710 [ 4286.815490][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4286.815490][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4286.815490][ T7704] ___sys_sendmsg+0xee/0x170 [ 4286.815490][ T7704] __sys_sendmsg+0xcd/0x170 [ 4286.815490][ T7704] do_syscall_64+0xc6/0x1e0 [ 4286.815490][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.815490][ T7704] [ 4286.817715][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4286.817715][ T7704] netdev_get_by_index+0x5e/0x80 [ 4286.817715][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4286.817715][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4286.817715][ T7704] ip6_route_add+0x1c/0x140 [ 4286.817715][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4286.817715][ T7704] addrconf_add_dev+0xe2/0x170 [ 4286.817715][ T7704] inet6_addr_add+0x12f/0xa40 [ 4286.817715][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.817715][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.817715][ T7704] netlink_rcv_skb+0x130/0x360 [ 4286.817715][ T7704] netlink_unicast+0x449/0x710 [ 4286.817715][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4286.817715][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4286.817715][ T7704] ___sys_sendmsg+0xee/0x170 [ 4286.817715][ T7704] __sys_sendmsg+0xcd/0x170 [ 4286.817715][ T7704] do_syscall_64+0xc6/0x1e0 [ 4286.817715][ T7704] [ 4286.819892][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4286.819892][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4286.819892][ T7704] ipv6_find_idev+0x102/0x170 [ 4286.819892][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4286.819892][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.819892][ T7704] netlink_rcv_skb+0x130/0x360 [ 4286.819892][ T7704] netlink_unicast+0x449/0x710 [ 4286.819892][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4286.819892][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4286.819892][ T7704] ___sys_sendmsg+0xee/0x170 [ 4286.819892][ T7704] __sys_sendmsg+0xcd/0x170 [ 4286.819892][ T7704] do_syscall_64+0xc6/0x1e0 [ 4286.819892][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.819892][ T7704] [ 4286.821611][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4286.821611][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4286.821611][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4286.821611][ T7704] ipv6_find_idev+0x102/0x170 [ 4286.821611][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4286.821611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.821611][ T7704] netlink_rcv_skb+0x130/0x360 [ 4286.821611][ T7704] netlink_unicast+0x449/0x710 [ 4286.821611][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4286.821611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4286.821611][ T7704] ___sys_sendmsg+0xee/0x170 [ 4286.821611][ T7704] __sys_sendmsg+0xcd/0x170 [ 4286.821611][ T7704] do_syscall_64+0xc6/0x1e0 [ 4286.821611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.821611][ T7704] [ 4296.940809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4296.941225][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4296.941225][ T7704] netdev_get_by_index+0x5e/0x80 [ 4296.941225][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4296.941225][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4296.941225][ T7704] ip6_route_add+0x1c/0x140 [ 4296.941225][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4296.941225][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4296.941225][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4296.941225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.941225][ T7704] netlink_rcv_skb+0x130/0x360 [ 4296.941225][ T7704] netlink_unicast+0x449/0x710 [ 4296.941225][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4296.941225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4296.941225][ T7704] ___sys_sendmsg+0xee/0x170 [ 4296.941225][ T7704] __sys_sendmsg+0xcd/0x170 [ 4296.941225][ T7704] do_syscall_64+0xc6/0x1e0 [ 4296.941225][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.941225][ T7704] [ 4296.943466][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4296.943466][ T7704] netdev_get_by_index+0x5e/0x80 [ 4296.943466][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4296.943466][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4296.943466][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4296.943466][ T7704] ipv6_add_addr+0x411/0x2000 [ 4296.943466][ T7704] inet6_addr_add+0x30e/0xa40 [ 4296.943466][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4296.943466][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.943466][ T7704] netlink_rcv_skb+0x130/0x360 [ 4296.943466][ T7704] netlink_unicast+0x449/0x710 [ 4296.943466][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4296.943466][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4296.943466][ T7704] ___sys_sendmsg+0xee/0x170 [ 4296.943466][ T7704] __sys_sendmsg+0xcd/0x170 [ 4296.943466][ T7704] do_syscall_64+0xc6/0x1e0 [ 4296.943466][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.943466][ T7704] [ 4296.946195][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4296.946195][ T7704] netdev_get_by_index+0x5e/0x80 [ 4296.946195][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4296.946195][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4296.946195][ T7704] ip6_route_add+0x1c/0x140 [ 4296.946195][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4296.946195][ T7704] addrconf_add_dev+0xe2/0x170 [ 4296.946195][ T7704] inet6_addr_add+0x12f/0xa40 [ 4296.946195][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4296.946195][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.946195][ T7704] netlink_rcv_skb+0x130/0x360 [ 4296.946195][ T7704] netlink_unicast+0x449/0x710 [ 4296.946195][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4296.946195][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4296.946195][ T7704] ___sys_sendmsg+0xee/0x170 [ 4296.946195][ T7704] __sys_sendmsg+0xcd/0x170 [ 4296.946195][ T7704] do_syscall_64+0xc6/0x1e0 [ 4296.946195][ T7704] [ 4296.948379][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4296.948379][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4296.948379][ T7704] ipv6_find_idev+0x102/0x170 [ 4296.948379][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4296.948379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.948379][ T7704] netlink_rcv_skb+0x130/0x360 [ 4296.948379][ T7704] netlink_unicast+0x449/0x710 [ 4296.948379][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4296.948379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4296.948379][ T7704] ___sys_sendmsg+0xee/0x170 [ 4296.948379][ T7704] __sys_sendmsg+0xcd/0x170 [ 4296.948379][ T7704] do_syscall_64+0xc6/0x1e0 [ 4296.948379][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.948379][ T7704] [ 4296.950088][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4296.950088][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4296.950088][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4296.950088][ T7704] ipv6_find_idev+0x102/0x170 [ 4296.950088][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4296.950088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.950088][ T7704] netlink_rcv_skb+0x130/0x360 [ 4296.950088][ T7704] netlink_unicast+0x449/0x710 [ 4296.950088][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4296.950088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4296.950088][ T7704] ___sys_sendmsg+0xee/0x170 [ 4296.950088][ T7704] __sys_sendmsg+0xcd/0x170 [ 4296.950088][ T7704] do_syscall_64+0xc6/0x1e0 [ 4296.950088][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.950088][ T7704] [ 4306.988885][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4306.989298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4306.989298][ T7704] netdev_get_by_index+0x5e/0x80 [ 4306.989298][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4306.989298][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4306.989298][ T7704] ip6_route_add+0x1c/0x140 [ 4306.989298][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4306.989298][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4306.989298][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4306.989298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.989298][ T7704] netlink_rcv_skb+0x130/0x360 [ 4306.989298][ T7704] netlink_unicast+0x449/0x710 [ 4306.989298][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4306.989298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4306.989298][ T7704] ___sys_sendmsg+0xee/0x170 [ 4306.989298][ T7704] __sys_sendmsg+0xcd/0x170 [ 4306.989298][ T7704] do_syscall_64+0xc6/0x1e0 [ 4306.989298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.989298][ T7704] [ 4306.991571][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4306.991571][ T7704] netdev_get_by_index+0x5e/0x80 [ 4306.991571][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4306.991571][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4306.991571][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4306.991571][ T7704] ipv6_add_addr+0x411/0x2000 [ 4306.991571][ T7704] inet6_addr_add+0x30e/0xa40 [ 4306.991571][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4306.991571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.991571][ T7704] netlink_rcv_skb+0x130/0x360 [ 4306.991571][ T7704] netlink_unicast+0x449/0x710 [ 4306.991571][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4306.991571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4306.991571][ T7704] ___sys_sendmsg+0xee/0x170 [ 4306.991571][ T7704] __sys_sendmsg+0xcd/0x170 [ 4306.991571][ T7704] do_syscall_64+0xc6/0x1e0 [ 4306.991571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.991571][ T7704] [ 4306.993797][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4306.993797][ T7704] netdev_get_by_index+0x5e/0x80 [ 4306.993797][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4306.993797][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4306.993797][ T7704] ip6_route_add+0x1c/0x140 [ 4306.993797][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4306.993797][ T7704] addrconf_add_dev+0xe2/0x170 [ 4306.993797][ T7704] inet6_addr_add+0x12f/0xa40 [ 4306.993797][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4306.993797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.993797][ T7704] netlink_rcv_skb+0x130/0x360 [ 4306.993797][ T7704] netlink_unicast+0x449/0x710 [ 4306.993797][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4306.993797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4306.993797][ T7704] ___sys_sendmsg+0xee/0x170 [ 4306.993797][ T7704] __sys_sendmsg+0xcd/0x170 [ 4306.993797][ T7704] do_syscall_64+0xc6/0x1e0 [ 4306.993797][ T7704] [ 4306.995974][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4306.995974][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4306.995974][ T7704] ipv6_find_idev+0x102/0x170 [ 4306.995974][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.995974][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.995974][ T7704] netlink_rcv_skb+0x130/0x360 [ 4306.995974][ T7704] netlink_unicast+0x449/0x710 [ 4306.995974][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4306.995974][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4306.995974][ T7704] ___sys_sendmsg+0xee/0x170 [ 4306.995974][ T7704] __sys_sendmsg+0xcd/0x170 [ 4306.995974][ T7704] do_syscall_64+0xc6/0x1e0 [ 4306.995974][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.995974][ T7704] [ 4306.997680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4306.997680][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4306.997680][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4306.997680][ T7704] ipv6_find_idev+0x102/0x170 [ 4306.997680][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.997680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.997680][ T7704] netlink_rcv_skb+0x130/0x360 [ 4306.997680][ T7704] netlink_unicast+0x449/0x710 [ 4306.997680][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4306.997680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4306.997680][ T7704] ___sys_sendmsg+0xee/0x170 [ 4306.997680][ T7704] __sys_sendmsg+0xcd/0x170 [ 4306.997680][ T7704] do_syscall_64+0xc6/0x1e0 [ 4306.997680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.997680][ T7704] [ 4317.140783][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4317.141218][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4317.141218][ T7704] netdev_get_by_index+0x5e/0x80 [ 4317.141218][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4317.141218][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4317.141218][ T7704] ip6_route_add+0x1c/0x140 [ 4317.141218][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4317.141218][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4317.141218][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.141218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.141218][ T7704] netlink_rcv_skb+0x130/0x360 [ 4317.141218][ T7704] netlink_unicast+0x449/0x710 [ 4317.141218][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4317.141218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4317.141218][ T7704] ___sys_sendmsg+0xee/0x170 [ 4317.141218][ T7704] __sys_sendmsg+0xcd/0x170 [ 4317.141218][ T7704] do_syscall_64+0xc6/0x1e0 [ 4317.141218][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.141218][ T7704] [ 4317.143494][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4317.143494][ T7704] netdev_get_by_index+0x5e/0x80 [ 4317.143494][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4317.143494][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4317.143494][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4317.143494][ T7704] ipv6_add_addr+0x411/0x2000 [ 4317.143494][ T7704] inet6_addr_add+0x30e/0xa40 [ 4317.143494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.143494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.143494][ T7704] netlink_rcv_skb+0x130/0x360 [ 4317.143494][ T7704] netlink_unicast+0x449/0x710 [ 4317.143494][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4317.143494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4317.143494][ T7704] ___sys_sendmsg+0xee/0x170 [ 4317.143494][ T7704] __sys_sendmsg+0xcd/0x170 [ 4317.143494][ T7704] do_syscall_64+0xc6/0x1e0 [ 4317.143494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.143494][ T7704] [ 4317.145739][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4317.145739][ T7704] netdev_get_by_index+0x5e/0x80 [ 4317.145739][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4317.145739][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4317.145739][ T7704] ip6_route_add+0x1c/0x140 [ 4317.145739][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4317.145739][ T7704] addrconf_add_dev+0xe2/0x170 [ 4317.145739][ T7704] inet6_addr_add+0x12f/0xa40 [ 4317.145739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.145739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.145739][ T7704] netlink_rcv_skb+0x130/0x360 [ 4317.145739][ T7704] netlink_unicast+0x449/0x710 [ 4317.145739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4317.145739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4317.145739][ T7704] ___sys_sendmsg+0xee/0x170 [ 4317.145739][ T7704] __sys_sendmsg+0xcd/0x170 [ 4317.145739][ T7704] do_syscall_64+0xc6/0x1e0 [ 4317.145739][ T7704] [ 4317.147972][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4317.147972][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4317.147972][ T7704] ipv6_find_idev+0x102/0x170 [ 4317.147972][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4317.147972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.147972][ T7704] netlink_rcv_skb+0x130/0x360 [ 4317.147972][ T7704] netlink_unicast+0x449/0x710 [ 4317.147972][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4317.147972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4317.147972][ T7704] ___sys_sendmsg+0xee/0x170 [ 4317.147972][ T7704] __sys_sendmsg+0xcd/0x170 [ 4317.147972][ T7704] do_syscall_64+0xc6/0x1e0 [ 4317.147972][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.147972][ T7704] [ 4317.149698][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4317.149698][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4317.149698][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4317.149698][ T7704] ipv6_find_idev+0x102/0x170 [ 4317.149698][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4317.149698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.149698][ T7704] netlink_rcv_skb+0x130/0x360 [ 4317.149698][ T7704] netlink_unicast+0x449/0x710 [ 4317.149698][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4317.149698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4317.149698][ T7704] ___sys_sendmsg+0xee/0x170 [ 4317.149698][ T7704] __sys_sendmsg+0xcd/0x170 [ 4317.149698][ T7704] do_syscall_64+0xc6/0x1e0 [ 4317.149698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.149698][ T7704] [ 4327.388797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4327.389260][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4327.389260][ T7704] netdev_get_by_index+0x5e/0x80 [ 4327.389260][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4327.389260][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4327.389260][ T7704] ip6_route_add+0x1c/0x140 [ 4327.389260][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4327.389260][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4327.389260][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.389260][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.389260][ T7704] netlink_rcv_skb+0x130/0x360 [ 4327.389260][ T7704] netlink_unicast+0x449/0x710 [ 4327.389260][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4327.389260][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4327.389260][ T7704] ___sys_sendmsg+0xee/0x170 [ 4327.389260][ T7704] __sys_sendmsg+0xcd/0x170 [ 4327.389260][ T7704] do_syscall_64+0xc6/0x1e0 [ 4327.389260][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.389260][ T7704] [ 4327.391548][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4327.391548][ T7704] netdev_get_by_index+0x5e/0x80 [ 4327.391548][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4327.391548][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4327.391548][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4327.391548][ T7704] ipv6_add_addr+0x411/0x2000 [ 4327.391548][ T7704] inet6_addr_add+0x30e/0xa40 [ 4327.391548][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.391548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.391548][ T7704] netlink_rcv_skb+0x130/0x360 [ 4327.391548][ T7704] netlink_unicast+0x449/0x710 [ 4327.391548][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4327.391548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4327.391548][ T7704] ___sys_sendmsg+0xee/0x170 [ 4327.391548][ T7704] __sys_sendmsg+0xcd/0x170 [ 4327.391548][ T7704] do_syscall_64+0xc6/0x1e0 [ 4327.391548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.391548][ T7704] [ 4327.393902][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4327.393902][ T7704] netdev_get_by_index+0x5e/0x80 [ 4327.393902][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4327.393902][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4327.393902][ T7704] ip6_route_add+0x1c/0x140 [ 4327.393902][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4327.393902][ T7704] addrconf_add_dev+0xe2/0x170 [ 4327.393902][ T7704] inet6_addr_add+0x12f/0xa40 [ 4327.393902][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.393902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.393902][ T7704] netlink_rcv_skb+0x130/0x360 [ 4327.393902][ T7704] netlink_unicast+0x449/0x710 [ 4327.393902][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4327.393902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4327.393902][ T7704] ___sys_sendmsg+0xee/0x170 [ 4327.393902][ T7704] __sys_sendmsg+0xcd/0x170 [ 4327.393902][ T7704] do_syscall_64+0xc6/0x1e0 [ 4327.393902][ T7704] [ 4327.396106][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4327.396106][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4327.396106][ T7704] ipv6_find_idev+0x102/0x170 [ 4327.396106][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4327.396106][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.396106][ T7704] netlink_rcv_skb+0x130/0x360 [ 4327.396106][ T7704] netlink_unicast+0x449/0x710 [ 4327.396106][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4327.396106][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4327.396106][ T7704] ___sys_sendmsg+0xee/0x170 [ 4327.396106][ T7704] __sys_sendmsg+0xcd/0x170 [ 4327.396106][ T7704] do_syscall_64+0xc6/0x1e0 [ 4327.396106][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.396106][ T7704] [ 4327.397840][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4327.397840][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4327.397840][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4327.397840][ T7704] ipv6_find_idev+0x102/0x170 [ 4327.397840][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4327.397840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.397840][ T7704] netlink_rcv_skb+0x130/0x360 [ 4327.397840][ T7704] netlink_unicast+0x449/0x710 [ 4327.397840][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4327.397840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4327.397840][ T7704] ___sys_sendmsg+0xee/0x170 [ 4327.397840][ T7704] __sys_sendmsg+0xcd/0x170 [ 4327.397840][ T7704] do_syscall_64+0xc6/0x1e0 [ 4327.397840][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.397840][ T7704] [ 4337.636812][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4337.637255][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4337.637255][ T7704] netdev_get_by_index+0x5e/0x80 [ 4337.637255][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4337.637255][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4337.637255][ T7704] ip6_route_add+0x1c/0x140 [ 4337.637255][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4337.637255][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4337.637255][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.637255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.637255][ T7704] netlink_rcv_skb+0x130/0x360 [ 4337.637255][ T7704] netlink_unicast+0x449/0x710 [ 4337.637255][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4337.637255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4337.637255][ T7704] ___sys_sendmsg+0xee/0x170 [ 4337.637255][ T7704] __sys_sendmsg+0xcd/0x170 [ 4337.637255][ T7704] do_syscall_64+0xc6/0x1e0 [ 4337.637255][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.637255][ T7704] [ 4337.639525][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4337.639525][ T7704] netdev_get_by_index+0x5e/0x80 [ 4337.639525][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4337.639525][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4337.639525][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4337.639525][ T7704] ipv6_add_addr+0x411/0x2000 [ 4337.639525][ T7704] inet6_addr_add+0x30e/0xa40 [ 4337.639525][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.639525][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.639525][ T7704] netlink_rcv_skb+0x130/0x360 [ 4337.639525][ T7704] netlink_unicast+0x449/0x710 [ 4337.639525][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4337.639525][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4337.639525][ T7704] ___sys_sendmsg+0xee/0x170 [ 4337.639525][ T7704] __sys_sendmsg+0xcd/0x170 [ 4337.639525][ T7704] do_syscall_64+0xc6/0x1e0 [ 4337.639525][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.639525][ T7704] [ 4337.641782][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4337.641782][ T7704] netdev_get_by_index+0x5e/0x80 [ 4337.641782][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4337.641782][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4337.641782][ T7704] ip6_route_add+0x1c/0x140 [ 4337.641782][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4337.641782][ T7704] addrconf_add_dev+0xe2/0x170 [ 4337.641782][ T7704] inet6_addr_add+0x12f/0xa40 [ 4337.641782][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.641782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.641782][ T7704] netlink_rcv_skb+0x130/0x360 [ 4337.641782][ T7704] netlink_unicast+0x449/0x710 [ 4337.641782][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4337.641782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4337.641782][ T7704] ___sys_sendmsg+0xee/0x170 [ 4337.641782][ T7704] __sys_sendmsg+0xcd/0x170 [ 4337.641782][ T7704] do_syscall_64+0xc6/0x1e0 [ 4337.641782][ T7704] [ 4337.644047][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4337.644047][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4337.644047][ T7704] ipv6_find_idev+0x102/0x170 [ 4337.644047][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4337.644047][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.644047][ T7704] netlink_rcv_skb+0x130/0x360 [ 4337.644047][ T7704] netlink_unicast+0x449/0x710 [ 4337.644047][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4337.644047][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4337.644047][ T7704] ___sys_sendmsg+0xee/0x170 [ 4337.644047][ T7704] __sys_sendmsg+0xcd/0x170 [ 4337.644047][ T7704] do_syscall_64+0xc6/0x1e0 [ 4337.644047][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.644047][ T7704] [ 4337.645784][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4337.645784][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4337.645784][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4337.645784][ T7704] ipv6_find_idev+0x102/0x170 [ 4337.645784][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4337.645784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.645784][ T7704] netlink_rcv_skb+0x130/0x360 [ 4337.645784][ T7704] netlink_unicast+0x449/0x710 [ 4337.645784][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4337.645784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4337.645784][ T7704] ___sys_sendmsg+0xee/0x170 [ 4337.645784][ T7704] __sys_sendmsg+0xcd/0x170 [ 4337.645784][ T7704] do_syscall_64+0xc6/0x1e0 [ 4337.645784][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.645784][ T7704] [ 4347.884802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4347.885229][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4347.885229][ T7704] netdev_get_by_index+0x5e/0x80 [ 4347.885229][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4347.885229][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4347.885229][ T7704] ip6_route_add+0x1c/0x140 [ 4347.885229][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4347.885229][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4347.885229][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4347.885229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.885229][ T7704] netlink_rcv_skb+0x130/0x360 [ 4347.885229][ T7704] netlink_unicast+0x449/0x710 [ 4347.885229][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4347.885229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4347.885229][ T7704] ___sys_sendmsg+0xee/0x170 [ 4347.885229][ T7704] __sys_sendmsg+0xcd/0x170 [ 4347.885229][ T7704] do_syscall_64+0xc6/0x1e0 [ 4347.885229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.885229][ T7704] [ 4347.887499][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4347.887499][ T7704] netdev_get_by_index+0x5e/0x80 [ 4347.887499][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4347.887499][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4347.887499][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4347.887499][ T7704] ipv6_add_addr+0x411/0x2000 [ 4347.887499][ T7704] inet6_addr_add+0x30e/0xa40 [ 4347.887499][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4347.887499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.887499][ T7704] netlink_rcv_skb+0x130/0x360 [ 4347.887499][ T7704] netlink_unicast+0x449/0x710 [ 4347.887499][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4347.887499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4347.887499][ T7704] ___sys_sendmsg+0xee/0x170 [ 4347.887499][ T7704] __sys_sendmsg+0xcd/0x170 [ 4347.887499][ T7704] do_syscall_64+0xc6/0x1e0 [ 4347.887499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.887499][ T7704] [ 4347.889738][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4347.889738][ T7704] netdev_get_by_index+0x5e/0x80 [ 4347.889738][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4347.889738][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4347.889738][ T7704] ip6_route_add+0x1c/0x140 [ 4347.889738][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4347.889738][ T7704] addrconf_add_dev+0xe2/0x170 [ 4347.889738][ T7704] inet6_addr_add+0x12f/0xa40 [ 4347.889738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4347.889738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.889738][ T7704] netlink_rcv_skb+0x130/0x360 [ 4347.889738][ T7704] netlink_unicast+0x449/0x710 [ 4347.889738][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4347.889738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4347.889738][ T7704] ___sys_sendmsg+0xee/0x170 [ 4347.889738][ T7704] __sys_sendmsg+0xcd/0x170 [ 4347.889738][ T7704] do_syscall_64+0xc6/0x1e0 [ 4347.889738][ T7704] [ 4347.891962][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4347.891962][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4347.891962][ T7704] ipv6_find_idev+0x102/0x170 [ 4347.891962][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.891962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.891962][ T7704] netlink_rcv_skb+0x130/0x360 [ 4347.891962][ T7704] netlink_unicast+0x449/0x710 [ 4347.891962][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4347.891962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4347.891962][ T7704] ___sys_sendmsg+0xee/0x170 [ 4347.891962][ T7704] __sys_sendmsg+0xcd/0x170 [ 4347.891962][ T7704] do_syscall_64+0xc6/0x1e0 [ 4347.891962][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.891962][ T7704] [ 4347.893702][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4347.893702][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4347.893702][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4347.893702][ T7704] ipv6_find_idev+0x102/0x170 [ 4347.893702][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.893702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.893702][ T7704] netlink_rcv_skb+0x130/0x360 [ 4347.893702][ T7704] netlink_unicast+0x449/0x710 [ 4347.893702][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4347.893702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4347.893702][ T7704] ___sys_sendmsg+0xee/0x170 [ 4347.893702][ T7704] __sys_sendmsg+0xcd/0x170 [ 4347.893702][ T7704] do_syscall_64+0xc6/0x1e0 [ 4347.893702][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.893702][ T7704] [ 4358.132844][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4358.133275][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4358.133275][ T7704] netdev_get_by_index+0x5e/0x80 [ 4358.133275][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4358.133275][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4358.133275][ T7704] ip6_route_add+0x1c/0x140 [ 4358.133275][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4358.133275][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4358.133275][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4358.133275][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.133275][ T7704] netlink_rcv_skb+0x130/0x360 [ 4358.133275][ T7704] netlink_unicast+0x449/0x710 [ 4358.133275][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4358.133275][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4358.133275][ T7704] ___sys_sendmsg+0xee/0x170 [ 4358.133275][ T7704] __sys_sendmsg+0xcd/0x170 [ 4358.133275][ T7704] do_syscall_64+0xc6/0x1e0 [ 4358.133275][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.133275][ T7704] [ 4358.135573][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4358.135573][ T7704] netdev_get_by_index+0x5e/0x80 [ 4358.135573][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4358.135573][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4358.135573][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4358.135573][ T7704] ipv6_add_addr+0x411/0x2000 [ 4358.135573][ T7704] inet6_addr_add+0x30e/0xa40 [ 4358.135573][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4358.135573][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.135573][ T7704] netlink_rcv_skb+0x130/0x360 [ 4358.135573][ T7704] netlink_unicast+0x449/0x710 [ 4358.135573][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4358.135573][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4358.135573][ T7704] ___sys_sendmsg+0xee/0x170 [ 4358.135573][ T7704] __sys_sendmsg+0xcd/0x170 [ 4358.135573][ T7704] do_syscall_64+0xc6/0x1e0 [ 4358.135573][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.135573][ T7704] [ 4358.137850][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4358.137850][ T7704] netdev_get_by_index+0x5e/0x80 [ 4358.137850][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4358.137850][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4358.137850][ T7704] ip6_route_add+0x1c/0x140 [ 4358.137850][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4358.137850][ T7704] addrconf_add_dev+0xe2/0x170 [ 4358.137850][ T7704] inet6_addr_add+0x12f/0xa40 [ 4358.137850][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4358.137850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.137850][ T7704] netlink_rcv_skb+0x130/0x360 [ 4358.137850][ T7704] netlink_unicast+0x449/0x710 [ 4358.137850][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4358.137850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4358.137850][ T7704] ___sys_sendmsg+0xee/0x170 [ 4358.137850][ T7704] __sys_sendmsg+0xcd/0x170 [ 4358.137850][ T7704] do_syscall_64+0xc6/0x1e0 [ 4358.137850][ T7704] [ 4358.140572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4358.140572][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4358.140572][ T7704] ipv6_find_idev+0x102/0x170 [ 4358.140572][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4358.140572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.140572][ T7704] netlink_rcv_skb+0x130/0x360 [ 4358.140572][ T7704] netlink_unicast+0x449/0x710 [ 4358.140572][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4358.140572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4358.140572][ T7704] ___sys_sendmsg+0xee/0x170 [ 4358.140572][ T7704] __sys_sendmsg+0xcd/0x170 [ 4358.140572][ T7704] do_syscall_64+0xc6/0x1e0 [ 4358.140572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.140572][ T7704] [ 4358.142320][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4358.142320][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4358.142320][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4358.142320][ T7704] ipv6_find_idev+0x102/0x170 [ 4358.142320][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4358.142320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.142320][ T7704] netlink_rcv_skb+0x130/0x360 [ 4358.142320][ T7704] netlink_unicast+0x449/0x710 [ 4358.142320][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4358.142320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4358.142320][ T7704] ___sys_sendmsg+0xee/0x170 [ 4358.142320][ T7704] __sys_sendmsg+0xcd/0x170 [ 4358.142320][ T7704] do_syscall_64+0xc6/0x1e0 [ 4358.142320][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.142320][ T7704] [ 4368.260829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4368.261265][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4368.261265][ T7704] netdev_get_by_index+0x5e/0x80 [ 4368.261265][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4368.261265][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4368.261265][ T7704] ip6_route_add+0x1c/0x140 [ 4368.261265][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4368.261265][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4368.261265][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4368.261265][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.261265][ T7704] netlink_rcv_skb+0x130/0x360 [ 4368.261265][ T7704] netlink_unicast+0x449/0x710 [ 4368.261265][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4368.261265][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4368.261265][ T7704] ___sys_sendmsg+0xee/0x170 [ 4368.261265][ T7704] __sys_sendmsg+0xcd/0x170 [ 4368.261265][ T7704] do_syscall_64+0xc6/0x1e0 [ 4368.261265][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.261265][ T7704] [ 4368.263491][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4368.263491][ T7704] netdev_get_by_index+0x5e/0x80 [ 4368.263491][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4368.263491][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4368.263491][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4368.263491][ T7704] ipv6_add_addr+0x411/0x2000 [ 4368.263491][ T7704] inet6_addr_add+0x30e/0xa40 [ 4368.263491][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4368.263491][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.263491][ T7704] netlink_rcv_skb+0x130/0x360 [ 4368.263491][ T7704] netlink_unicast+0x449/0x710 [ 4368.263491][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4368.263491][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4368.263491][ T7704] ___sys_sendmsg+0xee/0x170 [ 4368.263491][ T7704] __sys_sendmsg+0xcd/0x170 [ 4368.263491][ T7704] do_syscall_64+0xc6/0x1e0 [ 4368.263491][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.263491][ T7704] [ 4368.265706][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4368.265706][ T7704] netdev_get_by_index+0x5e/0x80 [ 4368.265706][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4368.265706][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4368.265706][ T7704] ip6_route_add+0x1c/0x140 [ 4368.265706][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4368.265706][ T7704] addrconf_add_dev+0xe2/0x170 [ 4368.265706][ T7704] inet6_addr_add+0x12f/0xa40 [ 4368.265706][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4368.265706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.265706][ T7704] netlink_rcv_skb+0x130/0x360 [ 4368.265706][ T7704] netlink_unicast+0x449/0x710 [ 4368.265706][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4368.265706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4368.265706][ T7704] ___sys_sendmsg+0xee/0x170 [ 4368.265706][ T7704] __sys_sendmsg+0xcd/0x170 [ 4368.265706][ T7704] do_syscall_64+0xc6/0x1e0 [ 4368.265706][ T7704] [ 4368.267900][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4368.267900][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4368.267900][ T7704] ipv6_find_idev+0x102/0x170 [ 4368.267900][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4368.267900][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.267900][ T7704] netlink_rcv_skb+0x130/0x360 [ 4368.267900][ T7704] netlink_unicast+0x449/0x710 [ 4368.267900][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4368.267900][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4368.267900][ T7704] ___sys_sendmsg+0xee/0x170 [ 4368.267900][ T7704] __sys_sendmsg+0xcd/0x170 [ 4368.267900][ T7704] do_syscall_64+0xc6/0x1e0 [ 4368.267900][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.267900][ T7704] [ 4368.269601][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4368.269601][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4368.269601][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4368.269601][ T7704] ipv6_find_idev+0x102/0x170 [ 4368.269601][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4368.269601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.269601][ T7704] netlink_rcv_skb+0x130/0x360 [ 4368.269601][ T7704] netlink_unicast+0x449/0x710 [ 4368.269601][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4368.269601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4368.269601][ T7704] ___sys_sendmsg+0xee/0x170 [ 4368.269601][ T7704] __sys_sendmsg+0xcd/0x170 [ 4368.269601][ T7704] do_syscall_64+0xc6/0x1e0 [ 4368.269601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.269601][ T7704] [ 4378.508813][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4378.509241][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4378.509241][ T7704] netdev_get_by_index+0x5e/0x80 [ 4378.509241][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4378.509241][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4378.509241][ T7704] ip6_route_add+0x1c/0x140 [ 4378.509241][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4378.509241][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4378.509241][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.509241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.509241][ T7704] netlink_rcv_skb+0x130/0x360 [ 4378.509241][ T7704] netlink_unicast+0x449/0x710 [ 4378.509241][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4378.509241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4378.509241][ T7704] ___sys_sendmsg+0xee/0x170 [ 4378.509241][ T7704] __sys_sendmsg+0xcd/0x170 [ 4378.509241][ T7704] do_syscall_64+0xc6/0x1e0 [ 4378.509241][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.509241][ T7704] [ 4378.511539][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4378.511539][ T7704] netdev_get_by_index+0x5e/0x80 [ 4378.511539][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4378.511539][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4378.511539][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4378.511539][ T7704] ipv6_add_addr+0x411/0x2000 [ 4378.511539][ T7704] inet6_addr_add+0x30e/0xa40 [ 4378.511539][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.511539][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.511539][ T7704] netlink_rcv_skb+0x130/0x360 [ 4378.511539][ T7704] netlink_unicast+0x449/0x710 [ 4378.511539][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4378.511539][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4378.511539][ T7704] ___sys_sendmsg+0xee/0x170 [ 4378.511539][ T7704] __sys_sendmsg+0xcd/0x170 [ 4378.511539][ T7704] do_syscall_64+0xc6/0x1e0 [ 4378.511539][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.511539][ T7704] [ 4378.513786][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4378.513786][ T7704] netdev_get_by_index+0x5e/0x80 [ 4378.513786][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4378.513786][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4378.513786][ T7704] ip6_route_add+0x1c/0x140 [ 4378.513786][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4378.513786][ T7704] addrconf_add_dev+0xe2/0x170 [ 4378.513786][ T7704] inet6_addr_add+0x12f/0xa40 [ 4378.513786][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.513786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.513786][ T7704] netlink_rcv_skb+0x130/0x360 [ 4378.513786][ T7704] netlink_unicast+0x449/0x710 [ 4378.513786][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4378.513786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4378.513786][ T7704] ___sys_sendmsg+0xee/0x170 [ 4378.513786][ T7704] __sys_sendmsg+0xcd/0x170 [ 4378.513786][ T7704] do_syscall_64+0xc6/0x1e0 [ 4378.513786][ T7704] [ 4378.515989][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4378.515989][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4378.515989][ T7704] ipv6_find_idev+0x102/0x170 [ 4378.515989][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4378.515989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.515989][ T7704] netlink_rcv_skb+0x130/0x360 [ 4378.515989][ T7704] netlink_unicast+0x449/0x710 [ 4378.515989][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4378.515989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4378.515989][ T7704] ___sys_sendmsg+0xee/0x170 [ 4378.515989][ T7704] __sys_sendmsg+0xcd/0x170 [ 4378.515989][ T7704] do_syscall_64+0xc6/0x1e0 [ 4378.515989][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.515989][ T7704] [ 4378.517710][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4378.517710][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4378.517710][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4378.517710][ T7704] ipv6_find_idev+0x102/0x170 [ 4378.517710][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4378.517710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.517710][ T7704] netlink_rcv_skb+0x130/0x360 [ 4378.517710][ T7704] netlink_unicast+0x449/0x710 [ 4378.517710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4378.517710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4378.517710][ T7704] ___sys_sendmsg+0xee/0x170 [ 4378.517710][ T7704] __sys_sendmsg+0xcd/0x170 [ 4378.517710][ T7704] do_syscall_64+0xc6/0x1e0 [ 4378.517710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.517710][ T7704] [ 4388.756837][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4388.757272][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4388.757272][ T7704] netdev_get_by_index+0x5e/0x80 [ 4388.757272][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4388.757272][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4388.757272][ T7704] ip6_route_add+0x1c/0x140 [ 4388.757272][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4388.757272][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4388.757272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4388.757272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.757272][ T7704] netlink_rcv_skb+0x130/0x360 [ 4388.757272][ T7704] netlink_unicast+0x449/0x710 [ 4388.757272][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4388.757272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4388.757272][ T7704] ___sys_sendmsg+0xee/0x170 [ 4388.757272][ T7704] __sys_sendmsg+0xcd/0x170 [ 4388.757272][ T7704] do_syscall_64+0xc6/0x1e0 [ 4388.757272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4388.757272][ T7704] [ 4388.759532][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4388.759532][ T7704] netdev_get_by_index+0x5e/0x80 [ 4388.759532][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4388.759532][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4388.759532][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4388.759532][ T7704] ipv6_add_addr+0x411/0x2000 [ 4388.759532][ T7704] inet6_addr_add+0x30e/0xa40 [ 4388.759532][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4388.759532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.759532][ T7704] netlink_rcv_skb+0x130/0x360 [ 4388.759532][ T7704] netlink_unicast+0x449/0x710 [ 4388.759532][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4388.759532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4388.759532][ T7704] ___sys_sendmsg+0xee/0x170 [ 4388.759532][ T7704] __sys_sendmsg+0xcd/0x170 [ 4388.759532][ T7704] do_syscall_64+0xc6/0x1e0 [ 4388.759532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4388.759532][ T7704] [ 4388.761807][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4388.761807][ T7704] netdev_get_by_index+0x5e/0x80 [ 4388.761807][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4388.761807][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4388.761807][ T7704] ip6_route_add+0x1c/0x140 [ 4388.761807][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4388.761807][ T7704] addrconf_add_dev+0xe2/0x170 [ 4388.761807][ T7704] inet6_addr_add+0x12f/0xa40 [ 4388.761807][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4388.761807][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.761807][ T7704] netlink_rcv_skb+0x130/0x360 [ 4388.761807][ T7704] netlink_unicast+0x449/0x710 [ 4388.761807][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4388.761807][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4388.761807][ T7704] ___sys_sendmsg+0xee/0x170 [ 4388.761807][ T7704] __sys_sendmsg+0xcd/0x170 [ 4388.761807][ T7704] do_syscall_64+0xc6/0x1e0 [ 4388.761807][ T7704] [ 4388.764010][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4388.764010][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4388.764010][ T7704] ipv6_find_idev+0x102/0x170 [ 4388.764010][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4388.764010][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.764010][ T7704] netlink_rcv_skb+0x130/0x360 [ 4388.764010][ T7704] netlink_unicast+0x449/0x710 [ 4388.764010][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4388.764010][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4388.764010][ T7704] ___sys_sendmsg+0xee/0x170 [ 4388.764010][ T7704] __sys_sendmsg+0xcd/0x170 [ 4388.764010][ T7704] do_syscall_64+0xc6/0x1e0 [ 4388.764010][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4388.764010][ T7704] [ 4388.765736][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4388.765736][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4388.765736][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4388.765736][ T7704] ipv6_find_idev+0x102/0x170 [ 4388.765736][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4388.765736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.765736][ T7704] netlink_rcv_skb+0x130/0x360 [ 4388.765736][ T7704] netlink_unicast+0x449/0x710 [ 4388.765736][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4388.765736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4388.765736][ T7704] ___sys_sendmsg+0xee/0x170 [ 4388.765736][ T7704] __sys_sendmsg+0xcd/0x170 [ 4388.765736][ T7704] do_syscall_64+0xc6/0x1e0 [ 4388.765736][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4388.765736][ T7704] [ 4399.004785][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4399.005224][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4399.005224][ T7704] netdev_get_by_index+0x5e/0x80 [ 4399.005224][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4399.005224][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4399.005224][ T7704] ip6_route_add+0x1c/0x140 [ 4399.005224][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4399.005224][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4399.005224][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4399.005224][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.005224][ T7704] netlink_rcv_skb+0x130/0x360 [ 4399.005224][ T7704] netlink_unicast+0x449/0x710 [ 4399.005224][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4399.005224][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4399.005224][ T7704] ___sys_sendmsg+0xee/0x170 [ 4399.005224][ T7704] __sys_sendmsg+0xcd/0x170 [ 4399.005224][ T7704] do_syscall_64+0xc6/0x1e0 [ 4399.005224][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.005224][ T7704] [ 4399.007508][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4399.007508][ T7704] netdev_get_by_index+0x5e/0x80 [ 4399.007508][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4399.007508][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4399.007508][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4399.007508][ T7704] ipv6_add_addr+0x411/0x2000 [ 4399.007508][ T7704] inet6_addr_add+0x30e/0xa40 [ 4399.007508][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4399.007508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.007508][ T7704] netlink_rcv_skb+0x130/0x360 [ 4399.007508][ T7704] netlink_unicast+0x449/0x710 [ 4399.007508][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4399.007508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4399.007508][ T7704] ___sys_sendmsg+0xee/0x170 [ 4399.007508][ T7704] __sys_sendmsg+0xcd/0x170 [ 4399.007508][ T7704] do_syscall_64+0xc6/0x1e0 [ 4399.007508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.007508][ T7704] [ 4399.009777][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4399.009777][ T7704] netdev_get_by_index+0x5e/0x80 [ 4399.009777][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4399.009777][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4399.009777][ T7704] ip6_route_add+0x1c/0x140 [ 4399.009777][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4399.009777][ T7704] addrconf_add_dev+0xe2/0x170 [ 4399.009777][ T7704] inet6_addr_add+0x12f/0xa40 [ 4399.009777][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4399.009777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.009777][ T7704] netlink_rcv_skb+0x130/0x360 [ 4399.009777][ T7704] netlink_unicast+0x449/0x710 [ 4399.009777][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4399.009777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4399.009777][ T7704] ___sys_sendmsg+0xee/0x170 [ 4399.009777][ T7704] __sys_sendmsg+0xcd/0x170 [ 4399.009777][ T7704] do_syscall_64+0xc6/0x1e0 [ 4399.009777][ T7704] [ 4399.012004][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4399.012004][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4399.012004][ T7704] ipv6_find_idev+0x102/0x170 [ 4399.012004][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4399.012004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.012004][ T7704] netlink_rcv_skb+0x130/0x360 [ 4399.012004][ T7704] netlink_unicast+0x449/0x710 [ 4399.012004][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4399.012004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4399.012004][ T7704] ___sys_sendmsg+0xee/0x170 [ 4399.012004][ T7704] __sys_sendmsg+0xcd/0x170 [ 4399.012004][ T7704] do_syscall_64+0xc6/0x1e0 [ 4399.012004][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.012004][ T7704] [ 4399.013740][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4399.013740][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4399.013740][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4399.013740][ T7704] ipv6_find_idev+0x102/0x170 [ 4399.013740][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4399.013740][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.013740][ T7704] netlink_rcv_skb+0x130/0x360 [ 4399.013740][ T7704] netlink_unicast+0x449/0x710 [ 4399.013740][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4399.013740][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4399.013740][ T7704] ___sys_sendmsg+0xee/0x170 [ 4399.013740][ T7704] __sys_sendmsg+0xcd/0x170 [ 4399.013740][ T7704] do_syscall_64+0xc6/0x1e0 [ 4399.013740][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.013740][ T7704] [ 4409.252775][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4409.253204][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4409.253204][ T7704] netdev_get_by_index+0x5e/0x80 [ 4409.253204][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4409.253204][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4409.253204][ T7704] ip6_route_add+0x1c/0x140 [ 4409.253204][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4409.253204][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4409.253204][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4409.253204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.253204][ T7704] netlink_rcv_skb+0x130/0x360 [ 4409.253204][ T7704] netlink_unicast+0x449/0x710 [ 4409.253204][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4409.253204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4409.253204][ T7704] ___sys_sendmsg+0xee/0x170 [ 4409.253204][ T7704] __sys_sendmsg+0xcd/0x170 [ 4409.253204][ T7704] do_syscall_64+0xc6/0x1e0 [ 4409.253204][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.253204][ T7704] [ 4409.255493][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4409.255493][ T7704] netdev_get_by_index+0x5e/0x80 [ 4409.255493][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4409.255493][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4409.255493][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4409.255493][ T7704] ipv6_add_addr+0x411/0x2000 [ 4409.255493][ T7704] inet6_addr_add+0x30e/0xa40 [ 4409.255493][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4409.255493][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.255493][ T7704] netlink_rcv_skb+0x130/0x360 [ 4409.255493][ T7704] netlink_unicast+0x449/0x710 [ 4409.255493][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4409.255493][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4409.255493][ T7704] ___sys_sendmsg+0xee/0x170 [ 4409.255493][ T7704] __sys_sendmsg+0xcd/0x170 [ 4409.255493][ T7704] do_syscall_64+0xc6/0x1e0 [ 4409.255493][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.255493][ T7704] [ 4409.257735][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4409.257735][ T7704] netdev_get_by_index+0x5e/0x80 [ 4409.257735][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4409.257735][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4409.257735][ T7704] ip6_route_add+0x1c/0x140 [ 4409.257735][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4409.257735][ T7704] addrconf_add_dev+0xe2/0x170 [ 4409.257735][ T7704] inet6_addr_add+0x12f/0xa40 [ 4409.257735][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4409.257735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.257735][ T7704] netlink_rcv_skb+0x130/0x360 [ 4409.257735][ T7704] netlink_unicast+0x449/0x710 [ 4409.257735][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4409.257735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4409.257735][ T7704] ___sys_sendmsg+0xee/0x170 [ 4409.257735][ T7704] __sys_sendmsg+0xcd/0x170 [ 4409.257735][ T7704] do_syscall_64+0xc6/0x1e0 [ 4409.257735][ T7704] [ 4409.259998][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4409.259998][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4409.259998][ T7704] ipv6_find_idev+0x102/0x170 [ 4409.259998][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4409.259998][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.259998][ T7704] netlink_rcv_skb+0x130/0x360 [ 4409.259998][ T7704] netlink_unicast+0x449/0x710 [ 4409.259998][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4409.259998][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4409.259998][ T7704] ___sys_sendmsg+0xee/0x170 [ 4409.259998][ T7704] __sys_sendmsg+0xcd/0x170 [ 4409.259998][ T7704] do_syscall_64+0xc6/0x1e0 [ 4409.259998][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.259998][ T7704] [ 4409.261717][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4409.261717][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4409.261717][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4409.261717][ T7704] ipv6_find_idev+0x102/0x170 [ 4409.261717][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4409.261717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.261717][ T7704] netlink_rcv_skb+0x130/0x360 [ 4409.261717][ T7704] netlink_unicast+0x449/0x710 [ 4409.261717][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4409.261717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4409.261717][ T7704] ___sys_sendmsg+0xee/0x170 [ 4409.261717][ T7704] __sys_sendmsg+0xcd/0x170 [ 4409.261717][ T7704] do_syscall_64+0xc6/0x1e0 [ 4409.261717][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.261717][ T7704] [ 4419.500795][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4419.501221][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4419.501221][ T7704] netdev_get_by_index+0x5e/0x80 [ 4419.501221][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4419.501221][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4419.501221][ T7704] ip6_route_add+0x1c/0x140 [ 4419.501221][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4419.501221][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4419.501221][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4419.501221][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.501221][ T7704] netlink_rcv_skb+0x130/0x360 [ 4419.501221][ T7704] netlink_unicast+0x449/0x710 [ 4419.501221][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4419.501221][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4419.501221][ T7704] ___sys_sendmsg+0xee/0x170 [ 4419.501221][ T7704] __sys_sendmsg+0xcd/0x170 [ 4419.501221][ T7704] do_syscall_64+0xc6/0x1e0 [ 4419.501221][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.501221][ T7704] [ 4419.503498][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4419.503498][ T7704] netdev_get_by_index+0x5e/0x80 [ 4419.503498][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4419.503498][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4419.503498][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4419.503498][ T7704] ipv6_add_addr+0x411/0x2000 [ 4419.503498][ T7704] inet6_addr_add+0x30e/0xa40 [ 4419.503498][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4419.503498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.503498][ T7704] netlink_rcv_skb+0x130/0x360 [ 4419.503498][ T7704] netlink_unicast+0x449/0x710 [ 4419.503498][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4419.503498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4419.503498][ T7704] ___sys_sendmsg+0xee/0x170 [ 4419.503498][ T7704] __sys_sendmsg+0xcd/0x170 [ 4419.503498][ T7704] do_syscall_64+0xc6/0x1e0 [ 4419.503498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.503498][ T7704] [ 4419.505775][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4419.505775][ T7704] netdev_get_by_index+0x5e/0x80 [ 4419.505775][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4419.505775][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4419.505775][ T7704] ip6_route_add+0x1c/0x140 [ 4419.505775][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4419.505775][ T7704] addrconf_add_dev+0xe2/0x170 [ 4419.505775][ T7704] inet6_addr_add+0x12f/0xa40 [ 4419.505775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4419.505775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.505775][ T7704] netlink_rcv_skb+0x130/0x360 [ 4419.505775][ T7704] netlink_unicast+0x449/0x710 [ 4419.505775][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4419.505775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4419.505775][ T7704] ___sys_sendmsg+0xee/0x170 [ 4419.505775][ T7704] __sys_sendmsg+0xcd/0x170 [ 4419.505775][ T7704] do_syscall_64+0xc6/0x1e0 [ 4419.505775][ T7704] [ 4419.507990][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4419.507990][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4419.507990][ T7704] ipv6_find_idev+0x102/0x170 [ 4419.507990][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4419.507990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.507990][ T7704] netlink_rcv_skb+0x130/0x360 [ 4419.507990][ T7704] netlink_unicast+0x449/0x710 [ 4419.507990][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4419.507990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4419.507990][ T7704] ___sys_sendmsg+0xee/0x170 [ 4419.507990][ T7704] __sys_sendmsg+0xcd/0x170 [ 4419.507990][ T7704] do_syscall_64+0xc6/0x1e0 [ 4419.507990][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.507990][ T7704] [ 4419.509742][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4419.509742][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4419.509742][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4419.509742][ T7704] ipv6_find_idev+0x102/0x170 [ 4419.509742][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4419.509742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.509742][ T7704] netlink_rcv_skb+0x130/0x360 [ 4419.509742][ T7704] netlink_unicast+0x449/0x710 [ 4419.509742][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4419.509742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4419.509742][ T7704] ___sys_sendmsg+0xee/0x170 [ 4419.509742][ T7704] __sys_sendmsg+0xcd/0x170 [ 4419.509742][ T7704] do_syscall_64+0xc6/0x1e0 [ 4419.509742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.509742][ T7704] [ 4429.748838][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4429.749287][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4429.749287][ T7704] netdev_get_by_index+0x5e/0x80 [ 4429.749287][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4429.749287][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4429.749287][ T7704] ip6_route_add+0x1c/0x140 [ 4429.749287][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4429.749287][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4429.749287][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.749287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.749287][ T7704] netlink_rcv_skb+0x130/0x360 [ 4429.749287][ T7704] netlink_unicast+0x449/0x710 [ 4429.749287][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4429.749287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4429.749287][ T7704] ___sys_sendmsg+0xee/0x170 [ 4429.749287][ T7704] __sys_sendmsg+0xcd/0x170 [ 4429.749287][ T7704] do_syscall_64+0xc6/0x1e0 [ 4429.749287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.749287][ T7704] [ 4429.752020][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4429.752020][ T7704] netdev_get_by_index+0x5e/0x80 [ 4429.752020][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4429.752020][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4429.752020][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4429.752020][ T7704] ipv6_add_addr+0x411/0x2000 [ 4429.752020][ T7704] inet6_addr_add+0x30e/0xa40 [ 4429.752020][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.752020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.752020][ T7704] netlink_rcv_skb+0x130/0x360 [ 4429.752020][ T7704] netlink_unicast+0x449/0x710 [ 4429.752020][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4429.752020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4429.752020][ T7704] ___sys_sendmsg+0xee/0x170 [ 4429.752020][ T7704] __sys_sendmsg+0xcd/0x170 [ 4429.752020][ T7704] do_syscall_64+0xc6/0x1e0 [ 4429.752020][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.752020][ T7704] [ 4429.754797][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4429.754797][ T7704] netdev_get_by_index+0x5e/0x80 [ 4429.754797][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4429.754797][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4429.754797][ T7704] ip6_route_add+0x1c/0x140 [ 4429.754797][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4429.754797][ T7704] addrconf_add_dev+0xe2/0x170 [ 4429.754797][ T7704] inet6_addr_add+0x12f/0xa40 [ 4429.754797][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.754797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.754797][ T7704] netlink_rcv_skb+0x130/0x360 [ 4429.754797][ T7704] netlink_unicast+0x449/0x710 [ 4429.754797][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4429.754797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4429.754797][ T7704] ___sys_sendmsg+0xee/0x170 [ 4429.754797][ T7704] __sys_sendmsg+0xcd/0x170 [ 4429.754797][ T7704] do_syscall_64+0xc6/0x1e0 [ 4429.754797][ T7704] [ 4429.758975][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4429.758975][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4429.758975][ T7704] ipv6_find_idev+0x102/0x170 [ 4429.758975][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4429.758975][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.758975][ T7704] netlink_rcv_skb+0x130/0x360 [ 4429.758975][ T7704] netlink_unicast+0x449/0x710 [ 4429.758975][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4429.758975][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4429.758975][ T7704] ___sys_sendmsg+0xee/0x170 [ 4429.758975][ T7704] __sys_sendmsg+0xcd/0x170 [ 4429.758975][ T7704] do_syscall_64+0xc6/0x1e0 [ 4429.758975][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.758975][ T7704] [ 4429.761822][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4429.761822][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4429.761822][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4429.761822][ T7704] ipv6_find_idev+0x102/0x170 [ 4429.761822][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4429.761822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.761822][ T7704] netlink_rcv_skb+0x130/0x360 [ 4429.761822][ T7704] netlink_unicast+0x449/0x710 [ 4429.761822][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4429.761822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4429.761822][ T7704] ___sys_sendmsg+0xee/0x170 [ 4429.761822][ T7704] __sys_sendmsg+0xcd/0x170 [ 4429.761822][ T7704] do_syscall_64+0xc6/0x1e0 [ 4429.761822][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.761822][ T7704] [ 4439.916752][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4439.917167][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4439.917167][ T7704] netdev_get_by_index+0x5e/0x80 [ 4439.917167][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4439.917167][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4439.917167][ T7704] ip6_route_add+0x1c/0x140 [ 4439.917167][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4439.917167][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4439.917167][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4439.917167][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4439.917167][ T7704] netlink_rcv_skb+0x130/0x360 [ 4439.917167][ T7704] netlink_unicast+0x449/0x710 [ 4439.917167][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4439.917167][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4439.917167][ T7704] ___sys_sendmsg+0xee/0x170 [ 4439.917167][ T7704] __sys_sendmsg+0xcd/0x170 [ 4439.917167][ T7704] do_syscall_64+0xc6/0x1e0 [ 4439.917167][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4439.917167][ T7704] [ 4439.919390][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4439.919390][ T7704] netdev_get_by_index+0x5e/0x80 [ 4439.919390][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4439.919390][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4439.919390][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4439.919390][ T7704] ipv6_add_addr+0x411/0x2000 [ 4439.919390][ T7704] inet6_addr_add+0x30e/0xa40 [ 4439.919390][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4439.919390][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4439.919390][ T7704] netlink_rcv_skb+0x130/0x360 [ 4439.919390][ T7704] netlink_unicast+0x449/0x710 [ 4439.919390][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4439.919390][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4439.919390][ T7704] ___sys_sendmsg+0xee/0x170 [ 4439.919390][ T7704] __sys_sendmsg+0xcd/0x170 [ 4439.919390][ T7704] do_syscall_64+0xc6/0x1e0 [ 4439.919390][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4439.919390][ T7704] [ 4439.921608][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4439.921608][ T7704] netdev_get_by_index+0x5e/0x80 [ 4439.921608][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4439.921608][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4439.921608][ T7704] ip6_route_add+0x1c/0x140 [ 4439.921608][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4439.921608][ T7704] addrconf_add_dev+0xe2/0x170 [ 4439.921608][ T7704] inet6_addr_add+0x12f/0xa40 [ 4439.921608][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4439.921608][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4439.921608][ T7704] netlink_rcv_skb+0x130/0x360 [ 4439.921608][ T7704] netlink_unicast+0x449/0x710 [ 4439.921608][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4439.921608][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4439.921608][ T7704] ___sys_sendmsg+0xee/0x170 [ 4439.921608][ T7704] __sys_sendmsg+0xcd/0x170 [ 4439.921608][ T7704] do_syscall_64+0xc6/0x1e0 [ 4439.921608][ T7704] [ 4439.923796][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4439.923796][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4439.923796][ T7704] ipv6_find_idev+0x102/0x170 [ 4439.923796][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4439.923796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4439.923796][ T7704] netlink_rcv_skb+0x130/0x360 [ 4439.923796][ T7704] netlink_unicast+0x449/0x710 [ 4439.923796][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4439.923796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4439.923796][ T7704] ___sys_sendmsg+0xee/0x170 [ 4439.923796][ T7704] __sys_sendmsg+0xcd/0x170 [ 4439.923796][ T7704] do_syscall_64+0xc6/0x1e0 [ 4439.923796][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4439.923796][ T7704] [ 4439.925495][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4439.925495][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4439.925495][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4439.925495][ T7704] ipv6_find_idev+0x102/0x170 [ 4439.925495][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4439.925495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4439.925495][ T7704] netlink_rcv_skb+0x130/0x360 [ 4439.925495][ T7704] netlink_unicast+0x449/0x710 [ 4439.925495][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4439.925495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4439.925495][ T7704] ___sys_sendmsg+0xee/0x170 [ 4439.925495][ T7704] __sys_sendmsg+0xcd/0x170 [ 4439.925495][ T7704] do_syscall_64+0xc6/0x1e0 [ 4439.925495][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4439.925495][ T7704] [ 4450.164846][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4450.165263][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4450.165263][ T7704] netdev_get_by_index+0x5e/0x80 [ 4450.165263][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4450.165263][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4450.165263][ T7704] ip6_route_add+0x1c/0x140 [ 4450.165263][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4450.165263][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4450.165263][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4450.165263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.165263][ T7704] netlink_rcv_skb+0x130/0x360 [ 4450.165263][ T7704] netlink_unicast+0x449/0x710 [ 4450.165263][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4450.165263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4450.165263][ T7704] ___sys_sendmsg+0xee/0x170 [ 4450.165263][ T7704] __sys_sendmsg+0xcd/0x170 [ 4450.165263][ T7704] do_syscall_64+0xc6/0x1e0 [ 4450.165263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.165263][ T7704] [ 4450.167523][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4450.167523][ T7704] netdev_get_by_index+0x5e/0x80 [ 4450.167523][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4450.167523][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4450.167523][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4450.167523][ T7704] ipv6_add_addr+0x411/0x2000 [ 4450.167523][ T7704] inet6_addr_add+0x30e/0xa40 [ 4450.167523][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4450.167523][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.167523][ T7704] netlink_rcv_skb+0x130/0x360 [ 4450.167523][ T7704] netlink_unicast+0x449/0x710 [ 4450.167523][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4450.167523][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4450.167523][ T7704] ___sys_sendmsg+0xee/0x170 [ 4450.167523][ T7704] __sys_sendmsg+0xcd/0x170 [ 4450.167523][ T7704] do_syscall_64+0xc6/0x1e0 [ 4450.167523][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.167523][ T7704] [ 4450.169758][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4450.169758][ T7704] netdev_get_by_index+0x5e/0x80 [ 4450.169758][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4450.169758][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4450.169758][ T7704] ip6_route_add+0x1c/0x140 [ 4450.169758][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4450.169758][ T7704] addrconf_add_dev+0xe2/0x170 [ 4450.169758][ T7704] inet6_addr_add+0x12f/0xa40 [ 4450.169758][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4450.169758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.169758][ T7704] netlink_rcv_skb+0x130/0x360 [ 4450.169758][ T7704] netlink_unicast+0x449/0x710 [ 4450.169758][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4450.169758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4450.169758][ T7704] ___sys_sendmsg+0xee/0x170 [ 4450.169758][ T7704] __sys_sendmsg+0xcd/0x170 [ 4450.169758][ T7704] do_syscall_64+0xc6/0x1e0 [ 4450.169758][ T7704] [ 4450.171945][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4450.171945][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4450.171945][ T7704] ipv6_find_idev+0x102/0x170 [ 4450.171945][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4450.171945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.171945][ T7704] netlink_rcv_skb+0x130/0x360 [ 4450.171945][ T7704] netlink_unicast+0x449/0x710 [ 4450.171945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4450.171945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4450.171945][ T7704] ___sys_sendmsg+0xee/0x170 [ 4450.171945][ T7704] __sys_sendmsg+0xcd/0x170 [ 4450.171945][ T7704] do_syscall_64+0xc6/0x1e0 [ 4450.171945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.171945][ T7704] [ 4450.173656][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4450.173656][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4450.173656][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4450.173656][ T7704] ipv6_find_idev+0x102/0x170 [ 4450.173656][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4450.173656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.173656][ T7704] netlink_rcv_skb+0x130/0x360 [ 4450.173656][ T7704] netlink_unicast+0x449/0x710 [ 4450.173656][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4450.173656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4450.173656][ T7704] ___sys_sendmsg+0xee/0x170 [ 4450.173656][ T7704] __sys_sendmsg+0xcd/0x170 [ 4450.173656][ T7704] do_syscall_64+0xc6/0x1e0 [ 4450.173656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.173656][ T7704] [ 4460.412807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4460.413235][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4460.413235][ T7704] netdev_get_by_index+0x5e/0x80 [ 4460.413235][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4460.413235][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4460.413235][ T7704] ip6_route_add+0x1c/0x140 [ 4460.413235][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4460.413235][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4460.413235][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4460.413235][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.413235][ T7704] netlink_rcv_skb+0x130/0x360 [ 4460.413235][ T7704] netlink_unicast+0x449/0x710 [ 4460.413235][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4460.413235][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4460.413235][ T7704] ___sys_sendmsg+0xee/0x170 [ 4460.413235][ T7704] __sys_sendmsg+0xcd/0x170 [ 4460.413235][ T7704] do_syscall_64+0xc6/0x1e0 [ 4460.413235][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.413235][ T7704] [ 4460.415496][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4460.415496][ T7704] netdev_get_by_index+0x5e/0x80 [ 4460.415496][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4460.415496][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4460.415496][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4460.415496][ T7704] ipv6_add_addr+0x411/0x2000 [ 4460.415496][ T7704] inet6_addr_add+0x30e/0xa40 [ 4460.415496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4460.415496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.415496][ T7704] netlink_rcv_skb+0x130/0x360 [ 4460.415496][ T7704] netlink_unicast+0x449/0x710 [ 4460.415496][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4460.415496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4460.415496][ T7704] ___sys_sendmsg+0xee/0x170 [ 4460.415496][ T7704] __sys_sendmsg+0xcd/0x170 [ 4460.415496][ T7704] do_syscall_64+0xc6/0x1e0 [ 4460.415496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.415496][ T7704] [ 4460.417716][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4460.417716][ T7704] netdev_get_by_index+0x5e/0x80 [ 4460.417716][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4460.417716][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4460.417716][ T7704] ip6_route_add+0x1c/0x140 [ 4460.417716][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4460.417716][ T7704] addrconf_add_dev+0xe2/0x170 [ 4460.417716][ T7704] inet6_addr_add+0x12f/0xa40 [ 4460.417716][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4460.417716][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.417716][ T7704] netlink_rcv_skb+0x130/0x360 [ 4460.417716][ T7704] netlink_unicast+0x449/0x710 [ 4460.417716][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4460.417716][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4460.417716][ T7704] ___sys_sendmsg+0xee/0x170 [ 4460.417716][ T7704] __sys_sendmsg+0xcd/0x170 [ 4460.417716][ T7704] do_syscall_64+0xc6/0x1e0 [ 4460.417716][ T7704] [ 4460.419917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4460.419917][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4460.419917][ T7704] ipv6_find_idev+0x102/0x170 [ 4460.419917][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4460.419917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.419917][ T7704] netlink_rcv_skb+0x130/0x360 [ 4460.419917][ T7704] netlink_unicast+0x449/0x710 [ 4460.419917][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4460.419917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4460.419917][ T7704] ___sys_sendmsg+0xee/0x170 [ 4460.419917][ T7704] __sys_sendmsg+0xcd/0x170 [ 4460.419917][ T7704] do_syscall_64+0xc6/0x1e0 [ 4460.419917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.419917][ T7704] [ 4460.421630][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4460.421630][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4460.421630][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4460.421630][ T7704] ipv6_find_idev+0x102/0x170 [ 4460.421630][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4460.421630][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.421630][ T7704] netlink_rcv_skb+0x130/0x360 [ 4460.421630][ T7704] netlink_unicast+0x449/0x710 [ 4460.421630][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4460.421630][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4460.421630][ T7704] ___sys_sendmsg+0xee/0x170 [ 4460.421630][ T7704] __sys_sendmsg+0xcd/0x170 [ 4460.421630][ T7704] do_syscall_64+0xc6/0x1e0 [ 4460.421630][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.421630][ T7704] [ 4470.660811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4470.661220][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4470.661220][ T7704] netdev_get_by_index+0x5e/0x80 [ 4470.661220][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4470.661220][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4470.661220][ T7704] ip6_route_add+0x1c/0x140 [ 4470.661220][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4470.661220][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4470.661220][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.661220][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.661220][ T7704] netlink_rcv_skb+0x130/0x360 [ 4470.661220][ T7704] netlink_unicast+0x449/0x710 [ 4470.661220][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4470.661220][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4470.661220][ T7704] ___sys_sendmsg+0xee/0x170 [ 4470.661220][ T7704] __sys_sendmsg+0xcd/0x170 [ 4470.661220][ T7704] do_syscall_64+0xc6/0x1e0 [ 4470.661220][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.661220][ T7704] [ 4470.663463][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4470.663463][ T7704] netdev_get_by_index+0x5e/0x80 [ 4470.663463][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4470.663463][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4470.663463][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4470.663463][ T7704] ipv6_add_addr+0x411/0x2000 [ 4470.663463][ T7704] inet6_addr_add+0x30e/0xa40 [ 4470.663463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.663463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.663463][ T7704] netlink_rcv_skb+0x130/0x360 [ 4470.663463][ T7704] netlink_unicast+0x449/0x710 [ 4470.663463][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4470.663463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4470.663463][ T7704] ___sys_sendmsg+0xee/0x170 [ 4470.663463][ T7704] __sys_sendmsg+0xcd/0x170 [ 4470.663463][ T7704] do_syscall_64+0xc6/0x1e0 [ 4470.663463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.663463][ T7704] [ 4470.665701][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4470.665701][ T7704] netdev_get_by_index+0x5e/0x80 [ 4470.665701][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4470.665701][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4470.665701][ T7704] ip6_route_add+0x1c/0x140 [ 4470.665701][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4470.665701][ T7704] addrconf_add_dev+0xe2/0x170 [ 4470.665701][ T7704] inet6_addr_add+0x12f/0xa40 [ 4470.665701][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.665701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.665701][ T7704] netlink_rcv_skb+0x130/0x360 [ 4470.665701][ T7704] netlink_unicast+0x449/0x710 [ 4470.665701][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4470.665701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4470.665701][ T7704] ___sys_sendmsg+0xee/0x170 [ 4470.665701][ T7704] __sys_sendmsg+0xcd/0x170 [ 4470.665701][ T7704] do_syscall_64+0xc6/0x1e0 [ 4470.665701][ T7704] [ 4470.667891][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4470.667891][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4470.667891][ T7704] ipv6_find_idev+0x102/0x170 [ 4470.667891][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4470.667891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.667891][ T7704] netlink_rcv_skb+0x130/0x360 [ 4470.667891][ T7704] netlink_unicast+0x449/0x710 [ 4470.667891][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4470.667891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4470.667891][ T7704] ___sys_sendmsg+0xee/0x170 [ 4470.667891][ T7704] __sys_sendmsg+0xcd/0x170 [ 4470.667891][ T7704] do_syscall_64+0xc6/0x1e0 [ 4470.667891][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.667891][ T7704] [ 4470.669607][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4470.669607][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4470.669607][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4470.669607][ T7704] ipv6_find_idev+0x102/0x170 [ 4470.669607][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4470.669607][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.669607][ T7704] netlink_rcv_skb+0x130/0x360 [ 4470.669607][ T7704] netlink_unicast+0x449/0x710 [ 4470.669607][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4470.669607][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4470.669607][ T7704] ___sys_sendmsg+0xee/0x170 [ 4470.669607][ T7704] __sys_sendmsg+0xcd/0x170 [ 4470.669607][ T7704] do_syscall_64+0xc6/0x1e0 [ 4470.669607][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.669607][ T7704] [ 4480.908814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4480.909231][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4480.909231][ T7704] netdev_get_by_index+0x5e/0x80 [ 4480.909231][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4480.909231][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4480.909231][ T7704] ip6_route_add+0x1c/0x140 [ 4480.909231][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4480.909231][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4480.909231][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4480.909231][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4480.909231][ T7704] netlink_rcv_skb+0x130/0x360 [ 4480.909231][ T7704] netlink_unicast+0x449/0x710 [ 4480.909231][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4480.909231][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4480.909231][ T7704] ___sys_sendmsg+0xee/0x170 [ 4480.909231][ T7704] __sys_sendmsg+0xcd/0x170 [ 4480.909231][ T7704] do_syscall_64+0xc6/0x1e0 [ 4480.909231][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4480.909231][ T7704] [ 4480.911482][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4480.911482][ T7704] netdev_get_by_index+0x5e/0x80 [ 4480.911482][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4480.911482][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4480.911482][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4480.911482][ T7704] ipv6_add_addr+0x411/0x2000 [ 4480.911482][ T7704] inet6_addr_add+0x30e/0xa40 [ 4480.911482][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4480.911482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4480.911482][ T7704] netlink_rcv_skb+0x130/0x360 [ 4480.911482][ T7704] netlink_unicast+0x449/0x710 [ 4480.911482][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4480.911482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4480.911482][ T7704] ___sys_sendmsg+0xee/0x170 [ 4480.911482][ T7704] __sys_sendmsg+0xcd/0x170 [ 4480.911482][ T7704] do_syscall_64+0xc6/0x1e0 [ 4480.911482][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4480.911482][ T7704] [ 4480.913704][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4480.913704][ T7704] netdev_get_by_index+0x5e/0x80 [ 4480.913704][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4480.913704][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4480.913704][ T7704] ip6_route_add+0x1c/0x140 [ 4480.913704][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4480.913704][ T7704] addrconf_add_dev+0xe2/0x170 [ 4480.913704][ T7704] inet6_addr_add+0x12f/0xa40 [ 4480.913704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4480.913704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4480.913704][ T7704] netlink_rcv_skb+0x130/0x360 [ 4480.913704][ T7704] netlink_unicast+0x449/0x710 [ 4480.913704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4480.913704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4480.913704][ T7704] ___sys_sendmsg+0xee/0x170 [ 4480.913704][ T7704] __sys_sendmsg+0xcd/0x170 [ 4480.913704][ T7704] do_syscall_64+0xc6/0x1e0 [ 4480.913704][ T7704] [ 4480.915883][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4480.915883][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4480.915883][ T7704] ipv6_find_idev+0x102/0x170 [ 4480.915883][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4480.915883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4480.915883][ T7704] netlink_rcv_skb+0x130/0x360 [ 4480.915883][ T7704] netlink_unicast+0x449/0x710 [ 4480.915883][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4480.915883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4480.915883][ T7704] ___sys_sendmsg+0xee/0x170 [ 4480.915883][ T7704] __sys_sendmsg+0xcd/0x170 [ 4480.915883][ T7704] do_syscall_64+0xc6/0x1e0 [ 4480.915883][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4480.915883][ T7704] [ 4480.917585][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4480.917585][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4480.917585][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4480.917585][ T7704] ipv6_find_idev+0x102/0x170 [ 4480.917585][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4480.917585][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4480.917585][ T7704] netlink_rcv_skb+0x130/0x360 [ 4480.917585][ T7704] netlink_unicast+0x449/0x710 [ 4480.917585][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4480.917585][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4480.917585][ T7704] ___sys_sendmsg+0xee/0x170 [ 4480.917585][ T7704] __sys_sendmsg+0xcd/0x170 [ 4480.917585][ T7704] do_syscall_64+0xc6/0x1e0 [ 4480.917585][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4480.917585][ T7704] [ 4491.156867][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4491.157272][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4491.157272][ T7704] netdev_get_by_index+0x5e/0x80 [ 4491.157272][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4491.157272][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4491.157272][ T7704] ip6_route_add+0x1c/0x140 [ 4491.157272][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4491.157272][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4491.157272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4491.157272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.157272][ T7704] netlink_rcv_skb+0x130/0x360 [ 4491.157272][ T7704] netlink_unicast+0x449/0x710 [ 4491.157272][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4491.157272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4491.157272][ T7704] ___sys_sendmsg+0xee/0x170 [ 4491.157272][ T7704] __sys_sendmsg+0xcd/0x170 [ 4491.157272][ T7704] do_syscall_64+0xc6/0x1e0 [ 4491.157272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.157272][ T7704] [ 4491.159522][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4491.159522][ T7704] netdev_get_by_index+0x5e/0x80 [ 4491.159522][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4491.159522][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4491.159522][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4491.159522][ T7704] ipv6_add_addr+0x411/0x2000 [ 4491.159522][ T7704] inet6_addr_add+0x30e/0xa40 [ 4491.159522][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4491.159522][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.159522][ T7704] netlink_rcv_skb+0x130/0x360 [ 4491.159522][ T7704] netlink_unicast+0x449/0x710 [ 4491.159522][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4491.159522][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4491.159522][ T7704] ___sys_sendmsg+0xee/0x170 [ 4491.159522][ T7704] __sys_sendmsg+0xcd/0x170 [ 4491.159522][ T7704] do_syscall_64+0xc6/0x1e0 [ 4491.159522][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.159522][ T7704] [ 4491.161741][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4491.161741][ T7704] netdev_get_by_index+0x5e/0x80 [ 4491.161741][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4491.161741][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4491.161741][ T7704] ip6_route_add+0x1c/0x140 [ 4491.161741][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4491.161741][ T7704] addrconf_add_dev+0xe2/0x170 [ 4491.161741][ T7704] inet6_addr_add+0x12f/0xa40 [ 4491.161741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4491.161741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.161741][ T7704] netlink_rcv_skb+0x130/0x360 [ 4491.161741][ T7704] netlink_unicast+0x449/0x710 [ 4491.161741][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4491.161741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4491.161741][ T7704] ___sys_sendmsg+0xee/0x170 [ 4491.161741][ T7704] __sys_sendmsg+0xcd/0x170 [ 4491.161741][ T7704] do_syscall_64+0xc6/0x1e0 [ 4491.161741][ T7704] [ 4491.163925][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4491.163925][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4491.163925][ T7704] ipv6_find_idev+0x102/0x170 [ 4491.163925][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4491.163925][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.163925][ T7704] netlink_rcv_skb+0x130/0x360 [ 4491.163925][ T7704] netlink_unicast+0x449/0x710 [ 4491.163925][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4491.163925][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4491.163925][ T7704] ___sys_sendmsg+0xee/0x170 [ 4491.163925][ T7704] __sys_sendmsg+0xcd/0x170 [ 4491.163925][ T7704] do_syscall_64+0xc6/0x1e0 [ 4491.163925][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.163925][ T7704] [ 4491.165632][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4491.165632][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4491.165632][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4491.165632][ T7704] ipv6_find_idev+0x102/0x170 [ 4491.165632][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4491.165632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.165632][ T7704] netlink_rcv_skb+0x130/0x360 [ 4491.165632][ T7704] netlink_unicast+0x449/0x710 [ 4491.165632][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4491.165632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4491.165632][ T7704] ___sys_sendmsg+0xee/0x170 [ 4491.165632][ T7704] __sys_sendmsg+0xcd/0x170 [ 4491.165632][ T7704] do_syscall_64+0xc6/0x1e0 [ 4491.165632][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.165632][ T7704] [ 4501.404799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4501.405210][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4501.405210][ T7704] netdev_get_by_index+0x5e/0x80 [ 4501.405210][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4501.405210][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4501.405210][ T7704] ip6_route_add+0x1c/0x140 [ 4501.405210][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4501.405210][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4501.405210][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4501.405210][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.405210][ T7704] netlink_rcv_skb+0x130/0x360 [ 4501.405210][ T7704] netlink_unicast+0x449/0x710 [ 4501.405210][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4501.405210][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4501.405210][ T7704] ___sys_sendmsg+0xee/0x170 [ 4501.405210][ T7704] __sys_sendmsg+0xcd/0x170 [ 4501.405210][ T7704] do_syscall_64+0xc6/0x1e0 [ 4501.405210][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.405210][ T7704] [ 4501.407468][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4501.407468][ T7704] netdev_get_by_index+0x5e/0x80 [ 4501.407468][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4501.407468][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4501.407468][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4501.407468][ T7704] ipv6_add_addr+0x411/0x2000 [ 4501.407468][ T7704] inet6_addr_add+0x30e/0xa40 [ 4501.407468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4501.407468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.407468][ T7704] netlink_rcv_skb+0x130/0x360 [ 4501.407468][ T7704] netlink_unicast+0x449/0x710 [ 4501.407468][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4501.407468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4501.407468][ T7704] ___sys_sendmsg+0xee/0x170 [ 4501.407468][ T7704] __sys_sendmsg+0xcd/0x170 [ 4501.407468][ T7704] do_syscall_64+0xc6/0x1e0 [ 4501.407468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.407468][ T7704] [ 4501.409697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4501.409697][ T7704] netdev_get_by_index+0x5e/0x80 [ 4501.409697][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4501.409697][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4501.409697][ T7704] ip6_route_add+0x1c/0x140 [ 4501.409697][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4501.409697][ T7704] addrconf_add_dev+0xe2/0x170 [ 4501.409697][ T7704] inet6_addr_add+0x12f/0xa40 [ 4501.409697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4501.409697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.409697][ T7704] netlink_rcv_skb+0x130/0x360 [ 4501.409697][ T7704] netlink_unicast+0x449/0x710 [ 4501.409697][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4501.409697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4501.409697][ T7704] ___sys_sendmsg+0xee/0x170 [ 4501.409697][ T7704] __sys_sendmsg+0xcd/0x170 [ 4501.409697][ T7704] do_syscall_64+0xc6/0x1e0 [ 4501.409697][ T7704] [ 4501.411884][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4501.411884][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4501.411884][ T7704] ipv6_find_idev+0x102/0x170 [ 4501.411884][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4501.411884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.411884][ T7704] netlink_rcv_skb+0x130/0x360 [ 4501.411884][ T7704] netlink_unicast+0x449/0x710 [ 4501.411884][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4501.411884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4501.411884][ T7704] ___sys_sendmsg+0xee/0x170 [ 4501.411884][ T7704] __sys_sendmsg+0xcd/0x170 [ 4501.411884][ T7704] do_syscall_64+0xc6/0x1e0 [ 4501.411884][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.411884][ T7704] [ 4501.413582][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4501.413582][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4501.413582][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4501.413582][ T7704] ipv6_find_idev+0x102/0x170 [ 4501.413582][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4501.413582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.413582][ T7704] netlink_rcv_skb+0x130/0x360 [ 4501.413582][ T7704] netlink_unicast+0x449/0x710 [ 4501.413582][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4501.413582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4501.413582][ T7704] ___sys_sendmsg+0xee/0x170 [ 4501.413582][ T7704] __sys_sendmsg+0xcd/0x170 [ 4501.413582][ T7704] do_syscall_64+0xc6/0x1e0 [ 4501.413582][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.413582][ T7704] [ 4511.652815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4511.653236][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4511.653236][ T7704] netdev_get_by_index+0x5e/0x80 [ 4511.653236][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4511.653236][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4511.653236][ T7704] ip6_route_add+0x1c/0x140 [ 4511.653236][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4511.653236][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4511.653236][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4511.653236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.653236][ T7704] netlink_rcv_skb+0x130/0x360 [ 4511.653236][ T7704] netlink_unicast+0x449/0x710 [ 4511.653236][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4511.653236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4511.653236][ T7704] ___sys_sendmsg+0xee/0x170 [ 4511.653236][ T7704] __sys_sendmsg+0xcd/0x170 [ 4511.653236][ T7704] do_syscall_64+0xc6/0x1e0 [ 4511.653236][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.653236][ T7704] [ 4511.655501][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4511.655501][ T7704] netdev_get_by_index+0x5e/0x80 [ 4511.655501][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4511.655501][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4511.655501][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4511.655501][ T7704] ipv6_add_addr+0x411/0x2000 [ 4511.655501][ T7704] inet6_addr_add+0x30e/0xa40 [ 4511.655501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4511.655501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.655501][ T7704] netlink_rcv_skb+0x130/0x360 [ 4511.655501][ T7704] netlink_unicast+0x449/0x710 [ 4511.655501][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4511.655501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4511.655501][ T7704] ___sys_sendmsg+0xee/0x170 [ 4511.655501][ T7704] __sys_sendmsg+0xcd/0x170 [ 4511.655501][ T7704] do_syscall_64+0xc6/0x1e0 [ 4511.655501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.655501][ T7704] [ 4511.657710][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4511.657710][ T7704] netdev_get_by_index+0x5e/0x80 [ 4511.657710][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4511.657710][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4511.657710][ T7704] ip6_route_add+0x1c/0x140 [ 4511.657710][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4511.657710][ T7704] addrconf_add_dev+0xe2/0x170 [ 4511.657710][ T7704] inet6_addr_add+0x12f/0xa40 [ 4511.657710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4511.657710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.657710][ T7704] netlink_rcv_skb+0x130/0x360 [ 4511.657710][ T7704] netlink_unicast+0x449/0x710 [ 4511.657710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4511.657710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4511.657710][ T7704] ___sys_sendmsg+0xee/0x170 [ 4511.657710][ T7704] __sys_sendmsg+0xcd/0x170 [ 4511.657710][ T7704] do_syscall_64+0xc6/0x1e0 [ 4511.657710][ T7704] [ 4511.659905][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4511.659905][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4511.659905][ T7704] ipv6_find_idev+0x102/0x170 [ 4511.659905][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4511.659905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.659905][ T7704] netlink_rcv_skb+0x130/0x360 [ 4511.659905][ T7704] netlink_unicast+0x449/0x710 [ 4511.659905][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4511.659905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4511.659905][ T7704] ___sys_sendmsg+0xee/0x170 [ 4511.659905][ T7704] __sys_sendmsg+0xcd/0x170 [ 4511.659905][ T7704] do_syscall_64+0xc6/0x1e0 [ 4511.659905][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.659905][ T7704] [ 4511.661601][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4511.661601][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4511.661601][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4511.661601][ T7704] ipv6_find_idev+0x102/0x170 [ 4511.661601][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4511.661601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.661601][ T7704] netlink_rcv_skb+0x130/0x360 [ 4511.661601][ T7704] netlink_unicast+0x449/0x710 [ 4511.661601][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4511.661601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4511.661601][ T7704] ___sys_sendmsg+0xee/0x170 [ 4511.661601][ T7704] __sys_sendmsg+0xcd/0x170 [ 4511.661601][ T7704] do_syscall_64+0xc6/0x1e0 [ 4511.661601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.661601][ T7704] [ 4521.900818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4521.901223][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4521.901223][ T7704] netdev_get_by_index+0x5e/0x80 [ 4521.901223][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4521.901223][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4521.901223][ T7704] ip6_route_add+0x1c/0x140 [ 4521.901223][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4521.901223][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4521.901223][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4521.901223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4521.901223][ T7704] netlink_rcv_skb+0x130/0x360 [ 4521.901223][ T7704] netlink_unicast+0x449/0x710 [ 4521.901223][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4521.901223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4521.901223][ T7704] ___sys_sendmsg+0xee/0x170 [ 4521.901223][ T7704] __sys_sendmsg+0xcd/0x170 [ 4521.901223][ T7704] do_syscall_64+0xc6/0x1e0 [ 4521.901223][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4521.901223][ T7704] [ 4521.903485][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4521.903485][ T7704] netdev_get_by_index+0x5e/0x80 [ 4521.903485][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4521.903485][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4521.903485][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4521.903485][ T7704] ipv6_add_addr+0x411/0x2000 [ 4521.903485][ T7704] inet6_addr_add+0x30e/0xa40 [ 4521.903485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4521.903485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4521.903485][ T7704] netlink_rcv_skb+0x130/0x360 [ 4521.903485][ T7704] netlink_unicast+0x449/0x710 [ 4521.903485][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4521.903485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4521.903485][ T7704] ___sys_sendmsg+0xee/0x170 [ 4521.903485][ T7704] __sys_sendmsg+0xcd/0x170 [ 4521.903485][ T7704] do_syscall_64+0xc6/0x1e0 [ 4521.903485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4521.903485][ T7704] [ 4521.905709][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4521.905709][ T7704] netdev_get_by_index+0x5e/0x80 [ 4521.905709][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4521.905709][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4521.905709][ T7704] ip6_route_add+0x1c/0x140 [ 4521.905709][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4521.905709][ T7704] addrconf_add_dev+0xe2/0x170 [ 4521.905709][ T7704] inet6_addr_add+0x12f/0xa40 [ 4521.905709][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4521.905709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4521.905709][ T7704] netlink_rcv_skb+0x130/0x360 [ 4521.905709][ T7704] netlink_unicast+0x449/0x710 [ 4521.905709][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4521.905709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4521.905709][ T7704] ___sys_sendmsg+0xee/0x170 [ 4521.905709][ T7704] __sys_sendmsg+0xcd/0x170 [ 4521.905709][ T7704] do_syscall_64+0xc6/0x1e0 [ 4521.905709][ T7704] [ 4521.907890][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4521.907890][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4521.907890][ T7704] ipv6_find_idev+0x102/0x170 [ 4521.907890][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4521.907890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4521.907890][ T7704] netlink_rcv_skb+0x130/0x360 [ 4521.907890][ T7704] netlink_unicast+0x449/0x710 [ 4521.907890][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4521.907890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4521.907890][ T7704] ___sys_sendmsg+0xee/0x170 [ 4521.907890][ T7704] __sys_sendmsg+0xcd/0x170 [ 4521.907890][ T7704] do_syscall_64+0xc6/0x1e0 [ 4521.907890][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4521.907890][ T7704] [ 4521.909608][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4521.909608][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4521.909608][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4521.909608][ T7704] ipv6_find_idev+0x102/0x170 [ 4521.909608][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4521.909608][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4521.909608][ T7704] netlink_rcv_skb+0x130/0x360 [ 4521.909608][ T7704] netlink_unicast+0x449/0x710 [ 4521.909608][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4521.909608][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4521.909608][ T7704] ___sys_sendmsg+0xee/0x170 [ 4521.909608][ T7704] __sys_sendmsg+0xcd/0x170 [ 4521.909608][ T7704] do_syscall_64+0xc6/0x1e0 [ 4521.909608][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4521.909608][ T7704] [ 4532.148811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4532.149225][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4532.149225][ T7704] netdev_get_by_index+0x5e/0x80 [ 4532.149225][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4532.149225][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4532.149225][ T7704] ip6_route_add+0x1c/0x140 [ 4532.149225][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4532.149225][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4532.149225][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4532.149225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.149225][ T7704] netlink_rcv_skb+0x130/0x360 [ 4532.149225][ T7704] netlink_unicast+0x449/0x710 [ 4532.149225][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4532.149225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4532.149225][ T7704] ___sys_sendmsg+0xee/0x170 [ 4532.149225][ T7704] __sys_sendmsg+0xcd/0x170 [ 4532.149225][ T7704] do_syscall_64+0xc6/0x1e0 [ 4532.149225][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.149225][ T7704] [ 4532.151503][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4532.151503][ T7704] netdev_get_by_index+0x5e/0x80 [ 4532.151503][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4532.151503][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4532.151503][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4532.151503][ T7704] ipv6_add_addr+0x411/0x2000 [ 4532.151503][ T7704] inet6_addr_add+0x30e/0xa40 [ 4532.151503][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4532.151503][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.151503][ T7704] netlink_rcv_skb+0x130/0x360 [ 4532.151503][ T7704] netlink_unicast+0x449/0x710 [ 4532.151503][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4532.151503][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4532.151503][ T7704] ___sys_sendmsg+0xee/0x170 [ 4532.151503][ T7704] __sys_sendmsg+0xcd/0x170 [ 4532.151503][ T7704] do_syscall_64+0xc6/0x1e0 [ 4532.151503][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.151503][ T7704] [ 4532.153710][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4532.153710][ T7704] netdev_get_by_index+0x5e/0x80 [ 4532.153710][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4532.153710][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4532.153710][ T7704] ip6_route_add+0x1c/0x140 [ 4532.153710][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4532.153710][ T7704] addrconf_add_dev+0xe2/0x170 [ 4532.153710][ T7704] inet6_addr_add+0x12f/0xa40 [ 4532.153710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4532.153710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.153710][ T7704] netlink_rcv_skb+0x130/0x360 [ 4532.153710][ T7704] netlink_unicast+0x449/0x710 [ 4532.153710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4532.153710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4532.153710][ T7704] ___sys_sendmsg+0xee/0x170 [ 4532.153710][ T7704] __sys_sendmsg+0xcd/0x170 [ 4532.153710][ T7704] do_syscall_64+0xc6/0x1e0 [ 4532.153710][ T7704] [ 4532.155906][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4532.155906][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4532.155906][ T7704] ipv6_find_idev+0x102/0x170 [ 4532.155906][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4532.155906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.155906][ T7704] netlink_rcv_skb+0x130/0x360 [ 4532.155906][ T7704] netlink_unicast+0x449/0x710 [ 4532.155906][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4532.155906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4532.155906][ T7704] ___sys_sendmsg+0xee/0x170 [ 4532.155906][ T7704] __sys_sendmsg+0xcd/0x170 [ 4532.155906][ T7704] do_syscall_64+0xc6/0x1e0 [ 4532.155906][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.155906][ T7704] [ 4532.157622][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4532.157622][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4532.157622][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4532.157622][ T7704] ipv6_find_idev+0x102/0x170 [ 4532.157622][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4532.157622][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.157622][ T7704] netlink_rcv_skb+0x130/0x360 [ 4532.157622][ T7704] netlink_unicast+0x449/0x710 [ 4532.157622][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4532.157622][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4532.157622][ T7704] ___sys_sendmsg+0xee/0x170 [ 4532.157622][ T7704] __sys_sendmsg+0xcd/0x170 [ 4532.157622][ T7704] do_syscall_64+0xc6/0x1e0 [ 4532.157622][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.157622][ T7704] [ 4542.380814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4542.381276][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4542.381276][ T7704] netdev_get_by_index+0x5e/0x80 [ 4542.381276][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4542.381276][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4542.381276][ T7704] ip6_route_add+0x1c/0x140 [ 4542.381276][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4542.381276][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4542.381276][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4542.381276][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.381276][ T7704] netlink_rcv_skb+0x130/0x360 [ 4542.381276][ T7704] netlink_unicast+0x449/0x710 [ 4542.381276][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4542.381276][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4542.381276][ T7704] ___sys_sendmsg+0xee/0x170 [ 4542.381276][ T7704] __sys_sendmsg+0xcd/0x170 [ 4542.381276][ T7704] do_syscall_64+0xc6/0x1e0 [ 4542.381276][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.381276][ T7704] [ 4542.383504][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4542.383504][ T7704] netdev_get_by_index+0x5e/0x80 [ 4542.383504][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4542.383504][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4542.383504][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4542.383504][ T7704] ipv6_add_addr+0x411/0x2000 [ 4542.383504][ T7704] inet6_addr_add+0x30e/0xa40 [ 4542.383504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4542.383504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.383504][ T7704] netlink_rcv_skb+0x130/0x360 [ 4542.383504][ T7704] netlink_unicast+0x449/0x710 [ 4542.383504][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4542.383504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4542.383504][ T7704] ___sys_sendmsg+0xee/0x170 [ 4542.383504][ T7704] __sys_sendmsg+0xcd/0x170 [ 4542.383504][ T7704] do_syscall_64+0xc6/0x1e0 [ 4542.383504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.383504][ T7704] [ 4542.385726][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4542.385726][ T7704] netdev_get_by_index+0x5e/0x80 [ 4542.385726][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4542.385726][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4542.385726][ T7704] ip6_route_add+0x1c/0x140 [ 4542.385726][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4542.385726][ T7704] addrconf_add_dev+0xe2/0x170 [ 4542.385726][ T7704] inet6_addr_add+0x12f/0xa40 [ 4542.385726][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4542.385726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.385726][ T7704] netlink_rcv_skb+0x130/0x360 [ 4542.385726][ T7704] netlink_unicast+0x449/0x710 [ 4542.385726][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4542.385726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4542.385726][ T7704] ___sys_sendmsg+0xee/0x170 [ 4542.385726][ T7704] __sys_sendmsg+0xcd/0x170 [ 4542.385726][ T7704] do_syscall_64+0xc6/0x1e0 [ 4542.385726][ T7704] [ 4542.387898][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4542.387898][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4542.387898][ T7704] ipv6_find_idev+0x102/0x170 [ 4542.387898][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4542.387898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.387898][ T7704] netlink_rcv_skb+0x130/0x360 [ 4542.387898][ T7704] netlink_unicast+0x449/0x710 [ 4542.387898][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4542.387898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4542.387898][ T7704] ___sys_sendmsg+0xee/0x170 [ 4542.387898][ T7704] __sys_sendmsg+0xcd/0x170 [ 4542.387898][ T7704] do_syscall_64+0xc6/0x1e0 [ 4542.387898][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.387898][ T7704] [ 4542.389636][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4542.389636][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4542.389636][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4542.389636][ T7704] ipv6_find_idev+0x102/0x170 [ 4542.389636][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4542.389636][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.389636][ T7704] netlink_rcv_skb+0x130/0x360 [ 4542.389636][ T7704] netlink_unicast+0x449/0x710 [ 4542.389636][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4542.389636][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4542.389636][ T7704] ___sys_sendmsg+0xee/0x170 [ 4542.389636][ T7704] __sys_sendmsg+0xcd/0x170 [ 4542.389636][ T7704] do_syscall_64+0xc6/0x1e0 [ 4542.389636][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.389636][ T7704] [ 4552.636747][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4552.637164][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4552.637164][ T7704] netdev_get_by_index+0x5e/0x80 [ 4552.637164][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4552.637164][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4552.637164][ T7704] ip6_route_add+0x1c/0x140 [ 4552.637164][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4552.637164][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4552.637164][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.637164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.637164][ T7704] netlink_rcv_skb+0x130/0x360 [ 4552.637164][ T7704] netlink_unicast+0x449/0x710 [ 4552.637164][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4552.637164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4552.637164][ T7704] ___sys_sendmsg+0xee/0x170 [ 4552.637164][ T7704] __sys_sendmsg+0xcd/0x170 [ 4552.637164][ T7704] do_syscall_64+0xc6/0x1e0 [ 4552.637164][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.637164][ T7704] [ 4552.639427][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4552.639427][ T7704] netdev_get_by_index+0x5e/0x80 [ 4552.639427][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4552.639427][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4552.639427][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4552.639427][ T7704] ipv6_add_addr+0x411/0x2000 [ 4552.639427][ T7704] inet6_addr_add+0x30e/0xa40 [ 4552.639427][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.639427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.639427][ T7704] netlink_rcv_skb+0x130/0x360 [ 4552.639427][ T7704] netlink_unicast+0x449/0x710 [ 4552.639427][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4552.639427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4552.639427][ T7704] ___sys_sendmsg+0xee/0x170 [ 4552.639427][ T7704] __sys_sendmsg+0xcd/0x170 [ 4552.639427][ T7704] do_syscall_64+0xc6/0x1e0 [ 4552.639427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.639427][ T7704] [ 4552.641714][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4552.641714][ T7704] netdev_get_by_index+0x5e/0x80 [ 4552.641714][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4552.641714][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4552.641714][ T7704] ip6_route_add+0x1c/0x140 [ 4552.641714][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4552.641714][ T7704] addrconf_add_dev+0xe2/0x170 [ 4552.641714][ T7704] inet6_addr_add+0x12f/0xa40 [ 4552.641714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.641714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.641714][ T7704] netlink_rcv_skb+0x130/0x360 [ 4552.641714][ T7704] netlink_unicast+0x449/0x710 [ 4552.641714][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4552.641714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4552.641714][ T7704] ___sys_sendmsg+0xee/0x170 [ 4552.641714][ T7704] __sys_sendmsg+0xcd/0x170 [ 4552.641714][ T7704] do_syscall_64+0xc6/0x1e0 [ 4552.641714][ T7704] [ 4552.643917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4552.643917][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4552.643917][ T7704] ipv6_find_idev+0x102/0x170 [ 4552.643917][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4552.643917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.643917][ T7704] netlink_rcv_skb+0x130/0x360 [ 4552.643917][ T7704] netlink_unicast+0x449/0x710 [ 4552.643917][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4552.643917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4552.643917][ T7704] ___sys_sendmsg+0xee/0x170 [ 4552.643917][ T7704] __sys_sendmsg+0xcd/0x170 [ 4552.643917][ T7704] do_syscall_64+0xc6/0x1e0 [ 4552.643917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.643917][ T7704] [ 4552.645632][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4552.645632][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4552.645632][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4552.645632][ T7704] ipv6_find_idev+0x102/0x170 [ 4552.645632][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4552.645632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.645632][ T7704] netlink_rcv_skb+0x130/0x360 [ 4552.645632][ T7704] netlink_unicast+0x449/0x710 [ 4552.645632][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4552.645632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4552.645632][ T7704] ___sys_sendmsg+0xee/0x170 [ 4552.645632][ T7704] __sys_sendmsg+0xcd/0x170 [ 4552.645632][ T7704] do_syscall_64+0xc6/0x1e0 [ 4552.645632][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.645632][ T7704] [ 4562.900744][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4562.901162][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4562.901162][ T7704] netdev_get_by_index+0x5e/0x80 [ 4562.901162][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4562.901162][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4562.901162][ T7704] ip6_route_add+0x1c/0x140 [ 4562.901162][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4562.901162][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4562.901162][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4562.901162][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.901162][ T7704] netlink_rcv_skb+0x130/0x360 [ 4562.901162][ T7704] netlink_unicast+0x449/0x710 [ 4562.901162][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4562.901162][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4562.901162][ T7704] ___sys_sendmsg+0xee/0x170 [ 4562.901162][ T7704] __sys_sendmsg+0xcd/0x170 [ 4562.901162][ T7704] do_syscall_64+0xc6/0x1e0 [ 4562.901162][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.901162][ T7704] [ 4562.903436][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4562.903436][ T7704] netdev_get_by_index+0x5e/0x80 [ 4562.903436][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4562.903436][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4562.903436][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4562.903436][ T7704] ipv6_add_addr+0x411/0x2000 [ 4562.903436][ T7704] inet6_addr_add+0x30e/0xa40 [ 4562.903436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4562.903436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.903436][ T7704] netlink_rcv_skb+0x130/0x360 [ 4562.903436][ T7704] netlink_unicast+0x449/0x710 [ 4562.903436][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4562.903436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4562.903436][ T7704] ___sys_sendmsg+0xee/0x170 [ 4562.903436][ T7704] __sys_sendmsg+0xcd/0x170 [ 4562.903436][ T7704] do_syscall_64+0xc6/0x1e0 [ 4562.903436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.903436][ T7704] [ 4562.905787][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4562.905787][ T7704] netdev_get_by_index+0x5e/0x80 [ 4562.905787][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4562.905787][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4562.905787][ T7704] ip6_route_add+0x1c/0x140 [ 4562.905787][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4562.905787][ T7704] addrconf_add_dev+0xe2/0x170 [ 4562.905787][ T7704] inet6_addr_add+0x12f/0xa40 [ 4562.905787][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4562.905787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.905787][ T7704] netlink_rcv_skb+0x130/0x360 [ 4562.905787][ T7704] netlink_unicast+0x449/0x710 [ 4562.905787][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4562.905787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4562.905787][ T7704] ___sys_sendmsg+0xee/0x170 [ 4562.905787][ T7704] __sys_sendmsg+0xcd/0x170 [ 4562.905787][ T7704] do_syscall_64+0xc6/0x1e0 [ 4562.905787][ T7704] [ 4562.907985][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4562.907985][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4562.907985][ T7704] ipv6_find_idev+0x102/0x170 [ 4562.907985][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4562.907985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.907985][ T7704] netlink_rcv_skb+0x130/0x360 [ 4562.907985][ T7704] netlink_unicast+0x449/0x710 [ 4562.907985][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4562.907985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4562.907985][ T7704] ___sys_sendmsg+0xee/0x170 [ 4562.907985][ T7704] __sys_sendmsg+0xcd/0x170 [ 4562.907985][ T7704] do_syscall_64+0xc6/0x1e0 [ 4562.907985][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.907985][ T7704] [ 4562.909724][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4562.909724][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4562.909724][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4562.909724][ T7704] ipv6_find_idev+0x102/0x170 [ 4562.909724][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4562.909724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.909724][ T7704] netlink_rcv_skb+0x130/0x360 [ 4562.909724][ T7704] netlink_unicast+0x449/0x710 [ 4562.909724][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4562.909724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4562.909724][ T7704] ___sys_sendmsg+0xee/0x170 [ 4562.909724][ T7704] __sys_sendmsg+0xcd/0x170 [ 4562.909724][ T7704] do_syscall_64+0xc6/0x1e0 [ 4562.909724][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.909724][ T7704] [ 4573.164802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4573.165208][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4573.165208][ T7704] netdev_get_by_index+0x5e/0x80 [ 4573.165208][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4573.165208][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4573.165208][ T7704] ip6_route_add+0x1c/0x140 [ 4573.165208][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4573.165208][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4573.165208][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4573.165208][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.165208][ T7704] netlink_rcv_skb+0x130/0x360 [ 4573.165208][ T7704] netlink_unicast+0x449/0x710 [ 4573.165208][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4573.165208][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4573.165208][ T7704] ___sys_sendmsg+0xee/0x170 [ 4573.165208][ T7704] __sys_sendmsg+0xcd/0x170 [ 4573.165208][ T7704] do_syscall_64+0xc6/0x1e0 [ 4573.165208][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.165208][ T7704] [ 4573.167450][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4573.167450][ T7704] netdev_get_by_index+0x5e/0x80 [ 4573.167450][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4573.167450][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4573.167450][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4573.167450][ T7704] ipv6_add_addr+0x411/0x2000 [ 4573.167450][ T7704] inet6_addr_add+0x30e/0xa40 [ 4573.167450][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4573.167450][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.167450][ T7704] netlink_rcv_skb+0x130/0x360 [ 4573.167450][ T7704] netlink_unicast+0x449/0x710 [ 4573.167450][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4573.167450][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4573.167450][ T7704] ___sys_sendmsg+0xee/0x170 [ 4573.167450][ T7704] __sys_sendmsg+0xcd/0x170 [ 4573.167450][ T7704] do_syscall_64+0xc6/0x1e0 [ 4573.167450][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.167450][ T7704] [ 4573.169776][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4573.169776][ T7704] netdev_get_by_index+0x5e/0x80 [ 4573.169776][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4573.169776][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4573.169776][ T7704] ip6_route_add+0x1c/0x140 [ 4573.169776][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4573.169776][ T7704] addrconf_add_dev+0xe2/0x170 [ 4573.169776][ T7704] inet6_addr_add+0x12f/0xa40 [ 4573.169776][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4573.169776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.169776][ T7704] netlink_rcv_skb+0x130/0x360 [ 4573.169776][ T7704] netlink_unicast+0x449/0x710 [ 4573.169776][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4573.169776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4573.169776][ T7704] ___sys_sendmsg+0xee/0x170 [ 4573.169776][ T7704] __sys_sendmsg+0xcd/0x170 [ 4573.169776][ T7704] do_syscall_64+0xc6/0x1e0 [ 4573.169776][ T7704] [ 4573.171943][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4573.171943][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4573.171943][ T7704] ipv6_find_idev+0x102/0x170 [ 4573.171943][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4573.171943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.171943][ T7704] netlink_rcv_skb+0x130/0x360 [ 4573.171943][ T7704] netlink_unicast+0x449/0x710 [ 4573.171943][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4573.171943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4573.171943][ T7704] ___sys_sendmsg+0xee/0x170 [ 4573.171943][ T7704] __sys_sendmsg+0xcd/0x170 [ 4573.171943][ T7704] do_syscall_64+0xc6/0x1e0 [ 4573.171943][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.171943][ T7704] [ 4573.173649][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4573.173649][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4573.173649][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4573.173649][ T7704] ipv6_find_idev+0x102/0x170 [ 4573.173649][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4573.173649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.173649][ T7704] netlink_rcv_skb+0x130/0x360 [ 4573.173649][ T7704] netlink_unicast+0x449/0x710 [ 4573.173649][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4573.173649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4573.173649][ T7704] ___sys_sendmsg+0xee/0x170 [ 4573.173649][ T7704] __sys_sendmsg+0xcd/0x170 [ 4573.173649][ T7704] do_syscall_64+0xc6/0x1e0 [ 4573.173649][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.173649][ T7704] [ 4583.420829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4583.421263][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4583.421263][ T7704] netdev_get_by_index+0x5e/0x80 [ 4583.421263][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4583.421263][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4583.421263][ T7704] ip6_route_add+0x1c/0x140 [ 4583.421263][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4583.421263][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4583.421263][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4583.421263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.421263][ T7704] netlink_rcv_skb+0x130/0x360 [ 4583.421263][ T7704] netlink_unicast+0x449/0x710 [ 4583.421263][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4583.421263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4583.421263][ T7704] ___sys_sendmsg+0xee/0x170 [ 4583.421263][ T7704] __sys_sendmsg+0xcd/0x170 [ 4583.421263][ T7704] do_syscall_64+0xc6/0x1e0 [ 4583.421263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.421263][ T7704] [ 4583.423519][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4583.423519][ T7704] netdev_get_by_index+0x5e/0x80 [ 4583.423519][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4583.423519][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4583.423519][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4583.423519][ T7704] ipv6_add_addr+0x411/0x2000 [ 4583.423519][ T7704] inet6_addr_add+0x30e/0xa40 [ 4583.423519][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4583.423519][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.423519][ T7704] netlink_rcv_skb+0x130/0x360 [ 4583.423519][ T7704] netlink_unicast+0x449/0x710 [ 4583.423519][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4583.423519][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4583.423519][ T7704] ___sys_sendmsg+0xee/0x170 [ 4583.423519][ T7704] __sys_sendmsg+0xcd/0x170 [ 4583.423519][ T7704] do_syscall_64+0xc6/0x1e0 [ 4583.423519][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.423519][ T7704] [ 4583.425742][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4583.425742][ T7704] netdev_get_by_index+0x5e/0x80 [ 4583.425742][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4583.425742][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4583.425742][ T7704] ip6_route_add+0x1c/0x140 [ 4583.425742][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4583.425742][ T7704] addrconf_add_dev+0xe2/0x170 [ 4583.425742][ T7704] inet6_addr_add+0x12f/0xa40 [ 4583.425742][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4583.425742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.425742][ T7704] netlink_rcv_skb+0x130/0x360 [ 4583.425742][ T7704] netlink_unicast+0x449/0x710 [ 4583.425742][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4583.425742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4583.425742][ T7704] ___sys_sendmsg+0xee/0x170 [ 4583.425742][ T7704] __sys_sendmsg+0xcd/0x170 [ 4583.425742][ T7704] do_syscall_64+0xc6/0x1e0 [ 4583.425742][ T7704] [ 4583.427916][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4583.427916][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4583.427916][ T7704] ipv6_find_idev+0x102/0x170 [ 4583.427916][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4583.427916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.427916][ T7704] netlink_rcv_skb+0x130/0x360 [ 4583.427916][ T7704] netlink_unicast+0x449/0x710 [ 4583.427916][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4583.427916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4583.427916][ T7704] ___sys_sendmsg+0xee/0x170 [ 4583.427916][ T7704] __sys_sendmsg+0xcd/0x170 [ 4583.427916][ T7704] do_syscall_64+0xc6/0x1e0 [ 4583.427916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.427916][ T7704] [ 4583.429665][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4583.429665][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4583.429665][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4583.429665][ T7704] ipv6_find_idev+0x102/0x170 [ 4583.429665][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4583.429665][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.429665][ T7704] netlink_rcv_skb+0x130/0x360 [ 4583.429665][ T7704] netlink_unicast+0x449/0x710 [ 4583.429665][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4583.429665][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4583.429665][ T7704] ___sys_sendmsg+0xee/0x170 [ 4583.429665][ T7704] __sys_sendmsg+0xcd/0x170 [ 4583.429665][ T7704] do_syscall_64+0xc6/0x1e0 [ 4583.429665][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.429665][ T7704] [ 4593.676850][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4593.677330][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4593.677330][ T7704] netdev_get_by_index+0x5e/0x80 [ 4593.677330][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4593.677330][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4593.677330][ T7704] ip6_route_add+0x1c/0x140 [ 4593.677330][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4593.677330][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4593.677330][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4593.677330][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.677330][ T7704] netlink_rcv_skb+0x130/0x360 [ 4593.677330][ T7704] netlink_unicast+0x449/0x710 [ 4593.677330][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4593.677330][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4593.677330][ T7704] ___sys_sendmsg+0xee/0x170 [ 4593.677330][ T7704] __sys_sendmsg+0xcd/0x170 [ 4593.677330][ T7704] do_syscall_64+0xc6/0x1e0 [ 4593.677330][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.677330][ T7704] [ 4593.679576][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4593.679576][ T7704] netdev_get_by_index+0x5e/0x80 [ 4593.679576][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4593.679576][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4593.679576][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4593.679576][ T7704] ipv6_add_addr+0x411/0x2000 [ 4593.679576][ T7704] inet6_addr_add+0x30e/0xa40 [ 4593.679576][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4593.679576][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.679576][ T7704] netlink_rcv_skb+0x130/0x360 [ 4593.679576][ T7704] netlink_unicast+0x449/0x710 [ 4593.679576][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4593.679576][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4593.679576][ T7704] ___sys_sendmsg+0xee/0x170 [ 4593.679576][ T7704] __sys_sendmsg+0xcd/0x170 [ 4593.679576][ T7704] do_syscall_64+0xc6/0x1e0 [ 4593.679576][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.679576][ T7704] [ 4593.681796][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4593.681796][ T7704] netdev_get_by_index+0x5e/0x80 [ 4593.681796][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4593.681796][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4593.681796][ T7704] ip6_route_add+0x1c/0x140 [ 4593.681796][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4593.681796][ T7704] addrconf_add_dev+0xe2/0x170 [ 4593.681796][ T7704] inet6_addr_add+0x12f/0xa40 [ 4593.681796][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4593.681796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.681796][ T7704] netlink_rcv_skb+0x130/0x360 [ 4593.681796][ T7704] netlink_unicast+0x449/0x710 [ 4593.681796][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4593.681796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4593.681796][ T7704] ___sys_sendmsg+0xee/0x170 [ 4593.681796][ T7704] __sys_sendmsg+0xcd/0x170 [ 4593.681796][ T7704] do_syscall_64+0xc6/0x1e0 [ 4593.681796][ T7704] [ 4593.683970][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4593.683970][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4593.683970][ T7704] ipv6_find_idev+0x102/0x170 [ 4593.683970][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4593.683970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.683970][ T7704] netlink_rcv_skb+0x130/0x360 [ 4593.683970][ T7704] netlink_unicast+0x449/0x710 [ 4593.683970][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4593.683970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4593.683970][ T7704] ___sys_sendmsg+0xee/0x170 [ 4593.683970][ T7704] __sys_sendmsg+0xcd/0x170 [ 4593.683970][ T7704] do_syscall_64+0xc6/0x1e0 [ 4593.683970][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.683970][ T7704] [ 4593.685668][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4593.685668][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4593.685668][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4593.685668][ T7704] ipv6_find_idev+0x102/0x170 [ 4593.685668][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4593.685668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.685668][ T7704] netlink_rcv_skb+0x130/0x360 [ 4593.685668][ T7704] netlink_unicast+0x449/0x710 [ 4593.685668][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4593.685668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4593.685668][ T7704] ___sys_sendmsg+0xee/0x170 [ 4593.685668][ T7704] __sys_sendmsg+0xcd/0x170 [ 4593.685668][ T7704] do_syscall_64+0xc6/0x1e0 [ 4593.685668][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.685668][ T7704] [ 4603.916787][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4603.917200][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4603.917200][ T7704] netdev_get_by_index+0x5e/0x80 [ 4603.917200][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4603.917200][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4603.917200][ T7704] ip6_route_add+0x1c/0x140 [ 4603.917200][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4603.917200][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4603.917200][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.917200][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.917200][ T7704] netlink_rcv_skb+0x130/0x360 [ 4603.917200][ T7704] netlink_unicast+0x449/0x710 [ 4603.917200][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4603.917200][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4603.917200][ T7704] ___sys_sendmsg+0xee/0x170 [ 4603.917200][ T7704] __sys_sendmsg+0xcd/0x170 [ 4603.917200][ T7704] do_syscall_64+0xc6/0x1e0 [ 4603.917200][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.917200][ T7704] [ 4603.919478][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4603.919478][ T7704] netdev_get_by_index+0x5e/0x80 [ 4603.919478][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4603.919478][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4603.919478][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4603.919478][ T7704] ipv6_add_addr+0x411/0x2000 [ 4603.919478][ T7704] inet6_addr_add+0x30e/0xa40 [ 4603.919478][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.919478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.919478][ T7704] netlink_rcv_skb+0x130/0x360 [ 4603.919478][ T7704] netlink_unicast+0x449/0x710 [ 4603.919478][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4603.919478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4603.919478][ T7704] ___sys_sendmsg+0xee/0x170 [ 4603.919478][ T7704] __sys_sendmsg+0xcd/0x170 [ 4603.919478][ T7704] do_syscall_64+0xc6/0x1e0 [ 4603.919478][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.919478][ T7704] [ 4603.921705][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4603.921705][ T7704] netdev_get_by_index+0x5e/0x80 [ 4603.921705][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4603.921705][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4603.921705][ T7704] ip6_route_add+0x1c/0x140 [ 4603.921705][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4603.921705][ T7704] addrconf_add_dev+0xe2/0x170 [ 4603.921705][ T7704] inet6_addr_add+0x12f/0xa40 [ 4603.921705][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.921705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.921705][ T7704] netlink_rcv_skb+0x130/0x360 [ 4603.921705][ T7704] netlink_unicast+0x449/0x710 [ 4603.921705][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4603.921705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4603.921705][ T7704] ___sys_sendmsg+0xee/0x170 [ 4603.921705][ T7704] __sys_sendmsg+0xcd/0x170 [ 4603.921705][ T7704] do_syscall_64+0xc6/0x1e0 [ 4603.921705][ T7704] [ 4603.923889][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4603.923889][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4603.923889][ T7704] ipv6_find_idev+0x102/0x170 [ 4603.923889][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4603.923889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.923889][ T7704] netlink_rcv_skb+0x130/0x360 [ 4603.923889][ T7704] netlink_unicast+0x449/0x710 [ 4603.923889][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4603.923889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4603.923889][ T7704] ___sys_sendmsg+0xee/0x170 [ 4603.923889][ T7704] __sys_sendmsg+0xcd/0x170 [ 4603.923889][ T7704] do_syscall_64+0xc6/0x1e0 [ 4603.923889][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.923889][ T7704] [ 4603.925613][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4603.925613][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4603.925613][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4603.925613][ T7704] ipv6_find_idev+0x102/0x170 [ 4603.925613][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4603.925613][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.925613][ T7704] netlink_rcv_skb+0x130/0x360 [ 4603.925613][ T7704] netlink_unicast+0x449/0x710 [ 4603.925613][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4603.925613][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4603.925613][ T7704] ___sys_sendmsg+0xee/0x170 [ 4603.925613][ T7704] __sys_sendmsg+0xcd/0x170 [ 4603.925613][ T7704] do_syscall_64+0xc6/0x1e0 [ 4603.925613][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.925613][ T7704] [ 4614.172849][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4614.173270][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4614.173270][ T7704] netdev_get_by_index+0x5e/0x80 [ 4614.173270][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4614.173270][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4614.173270][ T7704] ip6_route_add+0x1c/0x140 [ 4614.173270][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4614.173270][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4614.173270][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4614.173270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4614.173270][ T7704] netlink_rcv_skb+0x130/0x360 [ 4614.173270][ T7704] netlink_unicast+0x449/0x710 [ 4614.173270][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4614.173270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4614.173270][ T7704] ___sys_sendmsg+0xee/0x170 [ 4614.173270][ T7704] __sys_sendmsg+0xcd/0x170 [ 4614.173270][ T7704] do_syscall_64+0xc6/0x1e0 [ 4614.173270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4614.173270][ T7704] [ 4614.175508][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4614.175508][ T7704] netdev_get_by_index+0x5e/0x80 [ 4614.175508][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4614.175508][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4614.175508][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4614.175508][ T7704] ipv6_add_addr+0x411/0x2000 [ 4614.175508][ T7704] inet6_addr_add+0x30e/0xa40 [ 4614.175508][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4614.175508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4614.175508][ T7704] netlink_rcv_skb+0x130/0x360 [ 4614.175508][ T7704] netlink_unicast+0x449/0x710 [ 4614.175508][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4614.175508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4614.175508][ T7704] ___sys_sendmsg+0xee/0x170 [ 4614.175508][ T7704] __sys_sendmsg+0xcd/0x170 [ 4614.175508][ T7704] do_syscall_64+0xc6/0x1e0 [ 4614.175508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4614.175508][ T7704] [ 4614.177714][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4614.177714][ T7704] netdev_get_by_index+0x5e/0x80 [ 4614.177714][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4614.177714][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4614.177714][ T7704] ip6_route_add+0x1c/0x140 [ 4614.177714][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4614.177714][ T7704] addrconf_add_dev+0xe2/0x170 [ 4614.177714][ T7704] inet6_addr_add+0x12f/0xa40 [ 4614.177714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4614.177714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4614.177714][ T7704] netlink_rcv_skb+0x130/0x360 [ 4614.177714][ T7704] netlink_unicast+0x449/0x710 [ 4614.177714][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4614.177714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4614.177714][ T7704] ___sys_sendmsg+0xee/0x170 [ 4614.177714][ T7704] __sys_sendmsg+0xcd/0x170 [ 4614.177714][ T7704] do_syscall_64+0xc6/0x1e0 [ 4614.177714][ T7704] [ 4614.179924][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4614.179924][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4614.179924][ T7704] ipv6_find_idev+0x102/0x170 [ 4614.179924][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4614.179924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4614.179924][ T7704] netlink_rcv_skb+0x130/0x360 [ 4614.179924][ T7704] netlink_unicast+0x449/0x710 [ 4614.179924][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4614.179924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4614.179924][ T7704] ___sys_sendmsg+0xee/0x170 [ 4614.179924][ T7704] __sys_sendmsg+0xcd/0x170 [ 4614.179924][ T7704] do_syscall_64+0xc6/0x1e0 [ 4614.179924][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4614.179924][ T7704] [ 4614.181642][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4614.181642][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4614.181642][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4614.181642][ T7704] ipv6_find_idev+0x102/0x170 [ 4614.181642][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4614.181642][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4614.181642][ T7704] netlink_rcv_skb+0x130/0x360 [ 4614.181642][ T7704] netlink_unicast+0x449/0x710 [ 4614.181642][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4614.181642][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4614.181642][ T7704] ___sys_sendmsg+0xee/0x170 [ 4614.181642][ T7704] __sys_sendmsg+0xcd/0x170 [ 4614.181642][ T7704] do_syscall_64+0xc6/0x1e0 [ 4614.181642][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4614.181642][ T7704] [ 4624.420815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4624.421245][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4624.421245][ T7704] netdev_get_by_index+0x5e/0x80 [ 4624.421245][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4624.421245][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4624.421245][ T7704] ip6_route_add+0x1c/0x140 [ 4624.421245][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4624.421245][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4624.421245][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4624.421245][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.421245][ T7704] netlink_rcv_skb+0x130/0x360 [ 4624.421245][ T7704] netlink_unicast+0x449/0x710 [ 4624.421245][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4624.421245][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4624.421245][ T7704] ___sys_sendmsg+0xee/0x170 [ 4624.421245][ T7704] __sys_sendmsg+0xcd/0x170 [ 4624.421245][ T7704] do_syscall_64+0xc6/0x1e0 [ 4624.421245][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.421245][ T7704] [ 4624.424004][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4624.424004][ T7704] netdev_get_by_index+0x5e/0x80 [ 4624.424004][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4624.424004][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4624.424004][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4624.424004][ T7704] ipv6_add_addr+0x411/0x2000 [ 4624.424004][ T7704] inet6_addr_add+0x30e/0xa40 [ 4624.424004][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4624.424004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.424004][ T7704] netlink_rcv_skb+0x130/0x360 [ 4624.424004][ T7704] netlink_unicast+0x449/0x710 [ 4624.424004][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4624.424004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4624.424004][ T7704] ___sys_sendmsg+0xee/0x170 [ 4624.424004][ T7704] __sys_sendmsg+0xcd/0x170 [ 4624.424004][ T7704] do_syscall_64+0xc6/0x1e0 [ 4624.424004][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.424004][ T7704] [ 4624.426210][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4624.426210][ T7704] netdev_get_by_index+0x5e/0x80 [ 4624.426210][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4624.426210][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4624.426210][ T7704] ip6_route_add+0x1c/0x140 [ 4624.426210][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4624.426210][ T7704] addrconf_add_dev+0xe2/0x170 [ 4624.426210][ T7704] inet6_addr_add+0x12f/0xa40 [ 4624.426210][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4624.426210][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.426210][ T7704] netlink_rcv_skb+0x130/0x360 [ 4624.426210][ T7704] netlink_unicast+0x449/0x710 [ 4624.426210][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4624.426210][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4624.426210][ T7704] ___sys_sendmsg+0xee/0x170 [ 4624.426210][ T7704] __sys_sendmsg+0xcd/0x170 [ 4624.426210][ T7704] do_syscall_64+0xc6/0x1e0 [ 4624.426210][ T7704] [ 4624.428382][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4624.428382][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4624.428382][ T7704] ipv6_find_idev+0x102/0x170 [ 4624.428382][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4624.428382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.428382][ T7704] netlink_rcv_skb+0x130/0x360 [ 4624.428382][ T7704] netlink_unicast+0x449/0x710 [ 4624.428382][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4624.428382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4624.428382][ T7704] ___sys_sendmsg+0xee/0x170 [ 4624.428382][ T7704] __sys_sendmsg+0xcd/0x170 [ 4624.428382][ T7704] do_syscall_64+0xc6/0x1e0 [ 4624.428382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.428382][ T7704] [ 4624.430103][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4624.430103][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4624.430103][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4624.430103][ T7704] ipv6_find_idev+0x102/0x170 [ 4624.430103][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4624.430103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.430103][ T7704] netlink_rcv_skb+0x130/0x360 [ 4624.430103][ T7704] netlink_unicast+0x449/0x710 [ 4624.430103][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4624.430103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4624.430103][ T7704] ___sys_sendmsg+0xee/0x170 [ 4624.430103][ T7704] __sys_sendmsg+0xcd/0x170 [ 4624.430103][ T7704] do_syscall_64+0xc6/0x1e0 [ 4624.430103][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.430103][ T7704] [ 4634.836871][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4634.837314][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4634.837314][ T7704] netdev_get_by_index+0x5e/0x80 [ 4634.837314][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4634.837314][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4634.837314][ T7704] ip6_route_add+0x1c/0x140 [ 4634.837314][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4634.837314][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4634.837314][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4634.837314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.837314][ T7704] netlink_rcv_skb+0x130/0x360 [ 4634.837314][ T7704] netlink_unicast+0x449/0x710 [ 4634.837314][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4634.837314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4634.837314][ T7704] ___sys_sendmsg+0xee/0x170 [ 4634.837314][ T7704] __sys_sendmsg+0xcd/0x170 [ 4634.837314][ T7704] do_syscall_64+0xc6/0x1e0 [ 4634.837314][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.837314][ T7704] [ 4634.840903][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4634.840903][ T7704] netdev_get_by_index+0x5e/0x80 [ 4634.840903][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4634.840903][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4634.840903][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4634.840903][ T7704] ipv6_add_addr+0x411/0x2000 [ 4634.840903][ T7704] inet6_addr_add+0x30e/0xa40 [ 4634.840903][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4634.840903][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.840903][ T7704] netlink_rcv_skb+0x130/0x360 [ 4634.840903][ T7704] netlink_unicast+0x449/0x710 [ 4634.840903][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4634.840903][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4634.840903][ T7704] ___sys_sendmsg+0xee/0x170 [ 4634.840903][ T7704] __sys_sendmsg+0xcd/0x170 [ 4634.840903][ T7704] do_syscall_64+0xc6/0x1e0 [ 4634.840903][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.840903][ T7704] [ 4634.843149][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4634.843149][ T7704] netdev_get_by_index+0x5e/0x80 [ 4634.843149][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4634.843149][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4634.843149][ T7704] ip6_route_add+0x1c/0x140 [ 4634.843149][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4634.843149][ T7704] addrconf_add_dev+0xe2/0x170 [ 4634.843149][ T7704] inet6_addr_add+0x12f/0xa40 [ 4634.843149][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4634.843149][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.843149][ T7704] netlink_rcv_skb+0x130/0x360 [ 4634.843149][ T7704] netlink_unicast+0x449/0x710 [ 4634.843149][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4634.843149][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4634.843149][ T7704] ___sys_sendmsg+0xee/0x170 [ 4634.843149][ T7704] __sys_sendmsg+0xcd/0x170 [ 4634.843149][ T7704] do_syscall_64+0xc6/0x1e0 [ 4634.843149][ T7704] [ 4634.845349][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4634.845349][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4634.845349][ T7704] ipv6_find_idev+0x102/0x170 [ 4634.845349][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4634.845349][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.845349][ T7704] netlink_rcv_skb+0x130/0x360 [ 4634.845349][ T7704] netlink_unicast+0x449/0x710 [ 4634.845349][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4634.845349][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4634.845349][ T7704] ___sys_sendmsg+0xee/0x170 [ 4634.845349][ T7704] __sys_sendmsg+0xcd/0x170 [ 4634.845349][ T7704] do_syscall_64+0xc6/0x1e0 [ 4634.845349][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.845349][ T7704] [ 4634.847077][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4634.847077][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4634.847077][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4634.847077][ T7704] ipv6_find_idev+0x102/0x170 [ 4634.847077][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4634.847077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.847077][ T7704] netlink_rcv_skb+0x130/0x360 [ 4634.847077][ T7704] netlink_unicast+0x449/0x710 [ 4634.847077][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4634.847077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4634.847077][ T7704] ___sys_sendmsg+0xee/0x170 [ 4634.847077][ T7704] __sys_sendmsg+0xcd/0x170 [ 4634.847077][ T7704] do_syscall_64+0xc6/0x1e0 [ 4634.847077][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.847077][ T7704] [ 4645.084837][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4645.085339][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4645.085339][ T7704] netdev_get_by_index+0x5e/0x80 [ 4645.085339][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4645.085339][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4645.085339][ T7704] ip6_route_add+0x1c/0x140 [ 4645.085339][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4645.085339][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4645.085339][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4645.085339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4645.085339][ T7704] netlink_rcv_skb+0x130/0x360 [ 4645.085339][ T7704] netlink_unicast+0x449/0x710 [ 4645.085339][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4645.085339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4645.085339][ T7704] ___sys_sendmsg+0xee/0x170 [ 4645.085339][ T7704] __sys_sendmsg+0xcd/0x170 [ 4645.085339][ T7704] do_syscall_64+0xc6/0x1e0 [ 4645.085339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4645.085339][ T7704] [ 4645.087603][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4645.087603][ T7704] netdev_get_by_index+0x5e/0x80 [ 4645.087603][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4645.087603][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4645.087603][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4645.087603][ T7704] ipv6_add_addr+0x411/0x2000 [ 4645.087603][ T7704] inet6_addr_add+0x30e/0xa40 [ 4645.087603][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4645.087603][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4645.087603][ T7704] netlink_rcv_skb+0x130/0x360 [ 4645.087603][ T7704] netlink_unicast+0x449/0x710 [ 4645.087603][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4645.087603][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4645.087603][ T7704] ___sys_sendmsg+0xee/0x170 [ 4645.087603][ T7704] __sys_sendmsg+0xcd/0x170 [ 4645.087603][ T7704] do_syscall_64+0xc6/0x1e0 [ 4645.087603][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4645.087603][ T7704] [ 4645.089858][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4645.089858][ T7704] netdev_get_by_index+0x5e/0x80 [ 4645.089858][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4645.089858][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4645.089858][ T7704] ip6_route_add+0x1c/0x140 [ 4645.089858][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4645.089858][ T7704] addrconf_add_dev+0xe2/0x170 [ 4645.089858][ T7704] inet6_addr_add+0x12f/0xa40 [ 4645.089858][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4645.089858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4645.089858][ T7704] netlink_rcv_skb+0x130/0x360 [ 4645.089858][ T7704] netlink_unicast+0x449/0x710 [ 4645.089858][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4645.089858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4645.089858][ T7704] ___sys_sendmsg+0xee/0x170 [ 4645.089858][ T7704] __sys_sendmsg+0xcd/0x170 [ 4645.089858][ T7704] do_syscall_64+0xc6/0x1e0 [ 4645.089858][ T7704] [ 4645.092054][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4645.092054][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4645.092054][ T7704] ipv6_find_idev+0x102/0x170 [ 4645.092054][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4645.092054][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4645.092054][ T7704] netlink_rcv_skb+0x130/0x360 [ 4645.092054][ T7704] netlink_unicast+0x449/0x710 [ 4645.092054][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4645.092054][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4645.092054][ T7704] ___sys_sendmsg+0xee/0x170 [ 4645.092054][ T7704] __sys_sendmsg+0xcd/0x170 [ 4645.092054][ T7704] do_syscall_64+0xc6/0x1e0 [ 4645.092054][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4645.092054][ T7704] [ 4645.093771][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4645.093771][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4645.093771][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4645.093771][ T7704] ipv6_find_idev+0x102/0x170 [ 4645.093771][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4645.093771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4645.093771][ T7704] netlink_rcv_skb+0x130/0x360 [ 4645.093771][ T7704] netlink_unicast+0x449/0x710 [ 4645.093771][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4645.093771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4645.093771][ T7704] ___sys_sendmsg+0xee/0x170 [ 4645.093771][ T7704] __sys_sendmsg+0xcd/0x170 [ 4645.093771][ T7704] do_syscall_64+0xc6/0x1e0 [ 4645.093771][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4645.093771][ T7704] [ 4655.332805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4655.333342][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4655.333342][ T7704] netdev_get_by_index+0x5e/0x80 [ 4655.333342][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4655.333342][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4655.333342][ T7704] ip6_route_add+0x1c/0x140 [ 4655.333342][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4655.333342][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4655.333342][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4655.333342][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4655.333342][ T7704] netlink_rcv_skb+0x130/0x360 [ 4655.333342][ T7704] netlink_unicast+0x449/0x710 [ 4655.333342][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4655.333342][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4655.333342][ T7704] ___sys_sendmsg+0xee/0x170 [ 4655.333342][ T7704] __sys_sendmsg+0xcd/0x170 [ 4655.333342][ T7704] do_syscall_64+0xc6/0x1e0 [ 4655.333342][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4655.333342][ T7704] [ 4655.335599][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4655.335599][ T7704] netdev_get_by_index+0x5e/0x80 [ 4655.335599][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4655.335599][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4655.335599][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4655.335599][ T7704] ipv6_add_addr+0x411/0x2000 [ 4655.335599][ T7704] inet6_addr_add+0x30e/0xa40 [ 4655.335599][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4655.335599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4655.335599][ T7704] netlink_rcv_skb+0x130/0x360 [ 4655.335599][ T7704] netlink_unicast+0x449/0x710 [ 4655.335599][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4655.335599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4655.335599][ T7704] ___sys_sendmsg+0xee/0x170 [ 4655.335599][ T7704] __sys_sendmsg+0xcd/0x170 [ 4655.335599][ T7704] do_syscall_64+0xc6/0x1e0 [ 4655.335599][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4655.335599][ T7704] [ 4655.337813][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4655.337813][ T7704] netdev_get_by_index+0x5e/0x80 [ 4655.337813][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4655.337813][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4655.337813][ T7704] ip6_route_add+0x1c/0x140 [ 4655.337813][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4655.337813][ T7704] addrconf_add_dev+0xe2/0x170 [ 4655.337813][ T7704] inet6_addr_add+0x12f/0xa40 [ 4655.337813][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4655.337813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4655.337813][ T7704] netlink_rcv_skb+0x130/0x360 [ 4655.337813][ T7704] netlink_unicast+0x449/0x710 [ 4655.337813][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4655.337813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4655.337813][ T7704] ___sys_sendmsg+0xee/0x170 [ 4655.337813][ T7704] __sys_sendmsg+0xcd/0x170 [ 4655.337813][ T7704] do_syscall_64+0xc6/0x1e0 [ 4655.337813][ T7704] [ 4655.340011][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4655.340011][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4655.340011][ T7704] ipv6_find_idev+0x102/0x170 [ 4655.340011][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4655.340011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4655.340011][ T7704] netlink_rcv_skb+0x130/0x360 [ 4655.340011][ T7704] netlink_unicast+0x449/0x710 [ 4655.340011][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4655.340011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4655.340011][ T7704] ___sys_sendmsg+0xee/0x170 [ 4655.340011][ T7704] __sys_sendmsg+0xcd/0x170 [ 4655.340011][ T7704] do_syscall_64+0xc6/0x1e0 [ 4655.340011][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4655.340011][ T7704] [ 4655.341715][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4655.341715][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4655.341715][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4655.341715][ T7704] ipv6_find_idev+0x102/0x170 [ 4655.341715][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4655.341715][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4655.341715][ T7704] netlink_rcv_skb+0x130/0x360 [ 4655.341715][ T7704] netlink_unicast+0x449/0x710 [ 4655.341715][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4655.341715][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4655.341715][ T7704] ___sys_sendmsg+0xee/0x170 [ 4655.341715][ T7704] __sys_sendmsg+0xcd/0x170 [ 4655.341715][ T7704] do_syscall_64+0xc6/0x1e0 [ 4655.341715][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4655.341715][ T7704] [ 4665.444808][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4665.445241][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4665.445241][ T7704] netdev_get_by_index+0x5e/0x80 [ 4665.445241][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4665.445241][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4665.445241][ T7704] ip6_route_add+0x1c/0x140 [ 4665.445241][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4665.445241][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4665.445241][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4665.445241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.445241][ T7704] netlink_rcv_skb+0x130/0x360 [ 4665.445241][ T7704] netlink_unicast+0x449/0x710 [ 4665.445241][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4665.445241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4665.445241][ T7704] ___sys_sendmsg+0xee/0x170 [ 4665.445241][ T7704] __sys_sendmsg+0xcd/0x170 [ 4665.445241][ T7704] do_syscall_64+0xc6/0x1e0 [ 4665.445241][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.445241][ T7704] [ 4665.447500][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4665.447500][ T7704] netdev_get_by_index+0x5e/0x80 [ 4665.447500][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4665.447500][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4665.447500][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4665.447500][ T7704] ipv6_add_addr+0x411/0x2000 [ 4665.447500][ T7704] inet6_addr_add+0x30e/0xa40 [ 4665.447500][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4665.447500][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.447500][ T7704] netlink_rcv_skb+0x130/0x360 [ 4665.447500][ T7704] netlink_unicast+0x449/0x710 [ 4665.447500][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4665.447500][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4665.447500][ T7704] ___sys_sendmsg+0xee/0x170 [ 4665.447500][ T7704] __sys_sendmsg+0xcd/0x170 [ 4665.447500][ T7704] do_syscall_64+0xc6/0x1e0 [ 4665.447500][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.447500][ T7704] [ 4665.449814][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4665.449814][ T7704] netdev_get_by_index+0x5e/0x80 [ 4665.449814][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4665.449814][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4665.449814][ T7704] ip6_route_add+0x1c/0x140 [ 4665.449814][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4665.449814][ T7704] addrconf_add_dev+0xe2/0x170 [ 4665.449814][ T7704] inet6_addr_add+0x12f/0xa40 [ 4665.449814][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4665.449814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.449814][ T7704] netlink_rcv_skb+0x130/0x360 [ 4665.449814][ T7704] netlink_unicast+0x449/0x710 [ 4665.449814][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4665.449814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4665.449814][ T7704] ___sys_sendmsg+0xee/0x170 [ 4665.449814][ T7704] __sys_sendmsg+0xcd/0x170 [ 4665.449814][ T7704] do_syscall_64+0xc6/0x1e0 [ 4665.449814][ T7704] [ 4665.452266][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4665.452266][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4665.452266][ T7704] ipv6_find_idev+0x102/0x170 [ 4665.452266][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4665.452266][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.452266][ T7704] netlink_rcv_skb+0x130/0x360 [ 4665.452266][ T7704] netlink_unicast+0x449/0x710 [ 4665.452266][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4665.452266][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4665.452266][ T7704] ___sys_sendmsg+0xee/0x170 [ 4665.452266][ T7704] __sys_sendmsg+0xcd/0x170 [ 4665.452266][ T7704] do_syscall_64+0xc6/0x1e0 [ 4665.452266][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.452266][ T7704] [ 4665.455033][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4665.455033][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4665.455033][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4665.455033][ T7704] ipv6_find_idev+0x102/0x170 [ 4665.455033][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4665.455033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.455033][ T7704] netlink_rcv_skb+0x130/0x360 [ 4665.455033][ T7704] netlink_unicast+0x449/0x710 [ 4665.455033][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4665.455033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4665.455033][ T7704] ___sys_sendmsg+0xee/0x170 [ 4665.455033][ T7704] __sys_sendmsg+0xcd/0x170 [ 4665.455033][ T7704] do_syscall_64+0xc6/0x1e0 [ 4665.455033][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.455033][ T7704] [ 4675.700852][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4675.701292][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4675.701292][ T7704] netdev_get_by_index+0x5e/0x80 [ 4675.701292][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4675.701292][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4675.701292][ T7704] ip6_route_add+0x1c/0x140 [ 4675.701292][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4675.701292][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4675.701292][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4675.701292][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.701292][ T7704] netlink_rcv_skb+0x130/0x360 [ 4675.701292][ T7704] netlink_unicast+0x449/0x710 [ 4675.701292][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4675.701292][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4675.701292][ T7704] ___sys_sendmsg+0xee/0x170 [ 4675.701292][ T7704] __sys_sendmsg+0xcd/0x170 [ 4675.701292][ T7704] do_syscall_64+0xc6/0x1e0 [ 4675.701292][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.701292][ T7704] [ 4675.703565][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4675.703565][ T7704] netdev_get_by_index+0x5e/0x80 [ 4675.703565][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4675.703565][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4675.703565][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4675.703565][ T7704] ipv6_add_addr+0x411/0x2000 [ 4675.703565][ T7704] inet6_addr_add+0x30e/0xa40 [ 4675.703565][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4675.703565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.703565][ T7704] netlink_rcv_skb+0x130/0x360 [ 4675.703565][ T7704] netlink_unicast+0x449/0x710 [ 4675.703565][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4675.703565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4675.703565][ T7704] ___sys_sendmsg+0xee/0x170 [ 4675.703565][ T7704] __sys_sendmsg+0xcd/0x170 [ 4675.703565][ T7704] do_syscall_64+0xc6/0x1e0 [ 4675.703565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.703565][ T7704] [ 4675.705801][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4675.705801][ T7704] netdev_get_by_index+0x5e/0x80 [ 4675.705801][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4675.705801][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4675.705801][ T7704] ip6_route_add+0x1c/0x140 [ 4675.705801][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4675.705801][ T7704] addrconf_add_dev+0xe2/0x170 [ 4675.705801][ T7704] inet6_addr_add+0x12f/0xa40 [ 4675.705801][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4675.705801][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.705801][ T7704] netlink_rcv_skb+0x130/0x360 [ 4675.705801][ T7704] netlink_unicast+0x449/0x710 [ 4675.705801][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4675.705801][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4675.705801][ T7704] ___sys_sendmsg+0xee/0x170 [ 4675.705801][ T7704] __sys_sendmsg+0xcd/0x170 [ 4675.705801][ T7704] do_syscall_64+0xc6/0x1e0 [ 4675.705801][ T7704] [ 4675.708007][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4675.708007][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4675.708007][ T7704] ipv6_find_idev+0x102/0x170 [ 4675.708007][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4675.708007][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.708007][ T7704] netlink_rcv_skb+0x130/0x360 [ 4675.708007][ T7704] netlink_unicast+0x449/0x710 [ 4675.708007][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4675.708007][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4675.708007][ T7704] ___sys_sendmsg+0xee/0x170 [ 4675.708007][ T7704] __sys_sendmsg+0xcd/0x170 [ 4675.708007][ T7704] do_syscall_64+0xc6/0x1e0 [ 4675.708007][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.708007][ T7704] [ 4675.709734][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4675.709734][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4675.709734][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4675.709734][ T7704] ipv6_find_idev+0x102/0x170 [ 4675.709734][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4675.709734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.709734][ T7704] netlink_rcv_skb+0x130/0x360 [ 4675.709734][ T7704] netlink_unicast+0x449/0x710 [ 4675.709734][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4675.709734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4675.709734][ T7704] ___sys_sendmsg+0xee/0x170 [ 4675.709734][ T7704] __sys_sendmsg+0xcd/0x170 [ 4675.709734][ T7704] do_syscall_64+0xc6/0x1e0 [ 4675.709734][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.709734][ T7704] [ 4685.948746][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4685.949233][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4685.949233][ T7704] netdev_get_by_index+0x5e/0x80 [ 4685.949233][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4685.949233][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4685.949233][ T7704] ip6_route_add+0x1c/0x140 [ 4685.949233][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4685.949233][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4685.949233][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4685.949233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.949233][ T7704] netlink_rcv_skb+0x130/0x360 [ 4685.949233][ T7704] netlink_unicast+0x449/0x710 [ 4685.949233][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4685.949233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4685.949233][ T7704] ___sys_sendmsg+0xee/0x170 [ 4685.949233][ T7704] __sys_sendmsg+0xcd/0x170 [ 4685.949233][ T7704] do_syscall_64+0xc6/0x1e0 [ 4685.949233][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.949233][ T7704] [ 4685.951599][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4685.951599][ T7704] netdev_get_by_index+0x5e/0x80 [ 4685.951599][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4685.951599][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4685.951599][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4685.951599][ T7704] ipv6_add_addr+0x411/0x2000 [ 4685.951599][ T7704] inet6_addr_add+0x30e/0xa40 [ 4685.951599][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4685.951599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.951599][ T7704] netlink_rcv_skb+0x130/0x360 [ 4685.951599][ T7704] netlink_unicast+0x449/0x710 [ 4685.951599][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4685.951599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4685.951599][ T7704] ___sys_sendmsg+0xee/0x170 [ 4685.951599][ T7704] __sys_sendmsg+0xcd/0x170 [ 4685.951599][ T7704] do_syscall_64+0xc6/0x1e0 [ 4685.951599][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.951599][ T7704] [ 4685.953936][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4685.953936][ T7704] netdev_get_by_index+0x5e/0x80 [ 4685.953936][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4685.953936][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4685.953936][ T7704] ip6_route_add+0x1c/0x140 [ 4685.953936][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4685.953936][ T7704] addrconf_add_dev+0xe2/0x170 [ 4685.953936][ T7704] inet6_addr_add+0x12f/0xa40 [ 4685.953936][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4685.953936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.953936][ T7704] netlink_rcv_skb+0x130/0x360 [ 4685.953936][ T7704] netlink_unicast+0x449/0x710 [ 4685.953936][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4685.953936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4685.953936][ T7704] ___sys_sendmsg+0xee/0x170 [ 4685.953936][ T7704] __sys_sendmsg+0xcd/0x170 [ 4685.953936][ T7704] do_syscall_64+0xc6/0x1e0 [ 4685.953936][ T7704] [ 4685.956196][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4685.956196][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4685.956196][ T7704] ipv6_find_idev+0x102/0x170 [ 4685.956196][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4685.956196][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.956196][ T7704] netlink_rcv_skb+0x130/0x360 [ 4685.956196][ T7704] netlink_unicast+0x449/0x710 [ 4685.956196][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4685.956196][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4685.956196][ T7704] ___sys_sendmsg+0xee/0x170 [ 4685.956196][ T7704] __sys_sendmsg+0xcd/0x170 [ 4685.956196][ T7704] do_syscall_64+0xc6/0x1e0 [ 4685.956196][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.956196][ T7704] [ 4685.957998][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4685.957998][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4685.957998][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4685.957998][ T7704] ipv6_find_idev+0x102/0x170 [ 4685.957998][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4685.957998][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.957998][ T7704] netlink_rcv_skb+0x130/0x360 [ 4685.957998][ T7704] netlink_unicast+0x449/0x710 [ 4685.957998][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4685.957998][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4685.957998][ T7704] ___sys_sendmsg+0xee/0x170 [ 4685.957998][ T7704] __sys_sendmsg+0xcd/0x170 [ 4685.957998][ T7704] do_syscall_64+0xc6/0x1e0 [ 4685.957998][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.957998][ T7704] [ 4696.196813][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4696.197304][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4696.197304][ T7704] netdev_get_by_index+0x5e/0x80 [ 4696.197304][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4696.197304][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4696.197304][ T7704] ip6_route_add+0x1c/0x140 [ 4696.197304][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4696.197304][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4696.197304][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4696.197304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4696.197304][ T7704] netlink_rcv_skb+0x130/0x360 [ 4696.197304][ T7704] netlink_unicast+0x449/0x710 [ 4696.197304][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4696.197304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4696.197304][ T7704] ___sys_sendmsg+0xee/0x170 [ 4696.197304][ T7704] __sys_sendmsg+0xcd/0x170 [ 4696.197304][ T7704] do_syscall_64+0xc6/0x1e0 [ 4696.197304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4696.197304][ T7704] [ 4696.199595][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4696.199595][ T7704] netdev_get_by_index+0x5e/0x80 [ 4696.199595][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4696.199595][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4696.199595][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4696.199595][ T7704] ipv6_add_addr+0x411/0x2000 [ 4696.199595][ T7704] inet6_addr_add+0x30e/0xa40 [ 4696.199595][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4696.199595][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4696.199595][ T7704] netlink_rcv_skb+0x130/0x360 [ 4696.199595][ T7704] netlink_unicast+0x449/0x710 [ 4696.199595][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4696.199595][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4696.199595][ T7704] ___sys_sendmsg+0xee/0x170 [ 4696.199595][ T7704] __sys_sendmsg+0xcd/0x170 [ 4696.199595][ T7704] do_syscall_64+0xc6/0x1e0 [ 4696.199595][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4696.199595][ T7704] [ 4696.201855][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4696.201855][ T7704] netdev_get_by_index+0x5e/0x80 [ 4696.201855][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4696.201855][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4696.201855][ T7704] ip6_route_add+0x1c/0x140 [ 4696.201855][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4696.201855][ T7704] addrconf_add_dev+0xe2/0x170 [ 4696.201855][ T7704] inet6_addr_add+0x12f/0xa40 [ 4696.201855][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4696.201855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4696.201855][ T7704] netlink_rcv_skb+0x130/0x360 [ 4696.201855][ T7704] netlink_unicast+0x449/0x710 [ 4696.201855][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4696.201855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4696.201855][ T7704] ___sys_sendmsg+0xee/0x170 [ 4696.201855][ T7704] __sys_sendmsg+0xcd/0x170 [ 4696.201855][ T7704] do_syscall_64+0xc6/0x1e0 [ 4696.201855][ T7704] [ 4696.204058][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4696.204058][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4696.204058][ T7704] ipv6_find_idev+0x102/0x170 [ 4696.204058][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4696.204058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4696.204058][ T7704] netlink_rcv_skb+0x130/0x360 [ 4696.204058][ T7704] netlink_unicast+0x449/0x710 [ 4696.204058][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4696.204058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4696.204058][ T7704] ___sys_sendmsg+0xee/0x170 [ 4696.204058][ T7704] __sys_sendmsg+0xcd/0x170 [ 4696.204058][ T7704] do_syscall_64+0xc6/0x1e0 [ 4696.204058][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4696.204058][ T7704] [ 4696.205784][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4696.205784][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4696.205784][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4696.205784][ T7704] ipv6_find_idev+0x102/0x170 [ 4696.205784][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4696.205784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4696.205784][ T7704] netlink_rcv_skb+0x130/0x360 [ 4696.205784][ T7704] netlink_unicast+0x449/0x710 [ 4696.205784][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4696.205784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4696.205784][ T7704] ___sys_sendmsg+0xee/0x170 [ 4696.205784][ T7704] __sys_sendmsg+0xcd/0x170 [ 4696.205784][ T7704] do_syscall_64+0xc6/0x1e0 [ 4696.205784][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4696.205784][ T7704] [ 4706.444772][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4706.445244][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4706.445244][ T7704] netdev_get_by_index+0x5e/0x80 [ 4706.445244][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4706.445244][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4706.445244][ T7704] ip6_route_add+0x1c/0x140 [ 4706.445244][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4706.445244][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4706.445244][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4706.445244][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.445244][ T7704] netlink_rcv_skb+0x130/0x360 [ 4706.445244][ T7704] netlink_unicast+0x449/0x710 [ 4706.445244][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4706.445244][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4706.445244][ T7704] ___sys_sendmsg+0xee/0x170 [ 4706.445244][ T7704] __sys_sendmsg+0xcd/0x170 [ 4706.445244][ T7704] do_syscall_64+0xc6/0x1e0 [ 4706.445244][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.445244][ T7704] [ 4706.447802][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4706.447802][ T7704] netdev_get_by_index+0x5e/0x80 [ 4706.447802][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4706.447802][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4706.447802][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4706.447802][ T7704] ipv6_add_addr+0x411/0x2000 [ 4706.447802][ T7704] inet6_addr_add+0x30e/0xa40 [ 4706.447802][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4706.447802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.447802][ T7704] netlink_rcv_skb+0x130/0x360 [ 4706.447802][ T7704] netlink_unicast+0x449/0x710 [ 4706.447802][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4706.447802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4706.447802][ T7704] ___sys_sendmsg+0xee/0x170 [ 4706.447802][ T7704] __sys_sendmsg+0xcd/0x170 [ 4706.447802][ T7704] do_syscall_64+0xc6/0x1e0 [ 4706.447802][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.447802][ T7704] [ 4706.450369][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4706.450369][ T7704] netdev_get_by_index+0x5e/0x80 [ 4706.450369][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4706.450369][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4706.450369][ T7704] ip6_route_add+0x1c/0x140 [ 4706.450369][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4706.450369][ T7704] addrconf_add_dev+0xe2/0x170 [ 4706.450369][ T7704] inet6_addr_add+0x12f/0xa40 [ 4706.450369][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4706.450369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.450369][ T7704] netlink_rcv_skb+0x130/0x360 [ 4706.450369][ T7704] netlink_unicast+0x449/0x710 [ 4706.450369][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4706.450369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4706.450369][ T7704] ___sys_sendmsg+0xee/0x170 [ 4706.450369][ T7704] __sys_sendmsg+0xcd/0x170 [ 4706.450369][ T7704] do_syscall_64+0xc6/0x1e0 [ 4706.450369][ T7704] [ 4706.452879][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4706.452879][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4706.452879][ T7704] ipv6_find_idev+0x102/0x170 [ 4706.452879][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4706.452879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.452879][ T7704] netlink_rcv_skb+0x130/0x360 [ 4706.452879][ T7704] netlink_unicast+0x449/0x710 [ 4706.452879][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4706.452879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4706.452879][ T7704] ___sys_sendmsg+0xee/0x170 [ 4706.452879][ T7704] __sys_sendmsg+0xcd/0x170 [ 4706.452879][ T7704] do_syscall_64+0xc6/0x1e0 [ 4706.452879][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.452879][ T7704] [ 4706.455428][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4706.455428][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4706.455428][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4706.455428][ T7704] ipv6_find_idev+0x102/0x170 [ 4706.455428][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4706.455428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.455428][ T7704] netlink_rcv_skb+0x130/0x360 [ 4706.455428][ T7704] netlink_unicast+0x449/0x710 [ 4706.455428][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4706.455428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4706.455428][ T7704] ___sys_sendmsg+0xee/0x170 [ 4706.455428][ T7704] __sys_sendmsg+0xcd/0x170 [ 4706.455428][ T7704] do_syscall_64+0xc6/0x1e0 [ 4706.455428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.455428][ T7704] [ 4716.692900][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4716.693625][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4716.693625][ T7704] netdev_get_by_index+0x5e/0x80 [ 4716.693625][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4716.693625][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4716.693625][ T7704] ip6_route_add+0x1c/0x140 [ 4716.693625][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4716.693625][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4716.693625][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4716.693625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.693625][ T7704] netlink_rcv_skb+0x130/0x360 [ 4716.693625][ T7704] netlink_unicast+0x449/0x710 [ 4716.693625][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4716.693625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4716.693625][ T7704] ___sys_sendmsg+0xee/0x170 [ 4716.693625][ T7704] __sys_sendmsg+0xcd/0x170 [ 4716.693625][ T7704] do_syscall_64+0xc6/0x1e0 [ 4716.693625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.693625][ T7704] [ 4716.696093][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4716.696093][ T7704] netdev_get_by_index+0x5e/0x80 [ 4716.696093][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4716.696093][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4716.696093][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4716.696093][ T7704] ipv6_add_addr+0x411/0x2000 [ 4716.696093][ T7704] inet6_addr_add+0x30e/0xa40 [ 4716.696093][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4716.696093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.696093][ T7704] netlink_rcv_skb+0x130/0x360 [ 4716.696093][ T7704] netlink_unicast+0x449/0x710 [ 4716.696093][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4716.696093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4716.696093][ T7704] ___sys_sendmsg+0xee/0x170 [ 4716.696093][ T7704] __sys_sendmsg+0xcd/0x170 [ 4716.696093][ T7704] do_syscall_64+0xc6/0x1e0 [ 4716.696093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.696093][ T7704] [ 4716.698330][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4716.698330][ T7704] netdev_get_by_index+0x5e/0x80 [ 4716.698330][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4716.698330][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4716.698330][ T7704] ip6_route_add+0x1c/0x140 [ 4716.698330][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4716.698330][ T7704] addrconf_add_dev+0xe2/0x170 [ 4716.698330][ T7704] inet6_addr_add+0x12f/0xa40 [ 4716.698330][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4716.698330][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.698330][ T7704] netlink_rcv_skb+0x130/0x360 [ 4716.698330][ T7704] netlink_unicast+0x449/0x710 [ 4716.698330][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4716.698330][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4716.698330][ T7704] ___sys_sendmsg+0xee/0x170 [ 4716.698330][ T7704] __sys_sendmsg+0xcd/0x170 [ 4716.698330][ T7704] do_syscall_64+0xc6/0x1e0 [ 4716.698330][ T7704] [ 4716.700519][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4716.700519][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4716.700519][ T7704] ipv6_find_idev+0x102/0x170 [ 4716.700519][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4716.700519][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.700519][ T7704] netlink_rcv_skb+0x130/0x360 [ 4716.700519][ T7704] netlink_unicast+0x449/0x710 [ 4716.700519][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4716.700519][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4716.700519][ T7704] ___sys_sendmsg+0xee/0x170 [ 4716.700519][ T7704] __sys_sendmsg+0xcd/0x170 [ 4716.700519][ T7704] do_syscall_64+0xc6/0x1e0 [ 4716.700519][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.700519][ T7704] [ 4716.702239][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4716.702239][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4716.702239][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4716.702239][ T7704] ipv6_find_idev+0x102/0x170 [ 4716.702239][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4716.702239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.702239][ T7704] netlink_rcv_skb+0x130/0x360 [ 4716.702239][ T7704] netlink_unicast+0x449/0x710 [ 4716.702239][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4716.702239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4716.702239][ T7704] ___sys_sendmsg+0xee/0x170 [ 4716.702239][ T7704] __sys_sendmsg+0xcd/0x170 [ 4716.702239][ T7704] do_syscall_64+0xc6/0x1e0 [ 4716.702239][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.702239][ T7704] [ 4726.940852][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4726.941336][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4726.941336][ T7704] netdev_get_by_index+0x5e/0x80 [ 4726.941336][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4726.941336][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4726.941336][ T7704] ip6_route_add+0x1c/0x140 [ 4726.941336][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4726.941336][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4726.941336][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.941336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.941336][ T7704] netlink_rcv_skb+0x130/0x360 [ 4726.941336][ T7704] netlink_unicast+0x449/0x710 [ 4726.941336][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4726.941336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4726.941336][ T7704] ___sys_sendmsg+0xee/0x170 [ 4726.941336][ T7704] __sys_sendmsg+0xcd/0x170 [ 4726.941336][ T7704] do_syscall_64+0xc6/0x1e0 [ 4726.941336][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.941336][ T7704] [ 4726.943588][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4726.943588][ T7704] netdev_get_by_index+0x5e/0x80 [ 4726.943588][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4726.943588][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4726.943588][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4726.943588][ T7704] ipv6_add_addr+0x411/0x2000 [ 4726.943588][ T7704] inet6_addr_add+0x30e/0xa40 [ 4726.943588][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.943588][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.943588][ T7704] netlink_rcv_skb+0x130/0x360 [ 4726.943588][ T7704] netlink_unicast+0x449/0x710 [ 4726.943588][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4726.943588][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4726.943588][ T7704] ___sys_sendmsg+0xee/0x170 [ 4726.943588][ T7704] __sys_sendmsg+0xcd/0x170 [ 4726.943588][ T7704] do_syscall_64+0xc6/0x1e0 [ 4726.943588][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.943588][ T7704] [ 4726.945805][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4726.945805][ T7704] netdev_get_by_index+0x5e/0x80 [ 4726.945805][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4726.945805][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4726.945805][ T7704] ip6_route_add+0x1c/0x140 [ 4726.945805][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4726.945805][ T7704] addrconf_add_dev+0xe2/0x170 [ 4726.945805][ T7704] inet6_addr_add+0x12f/0xa40 [ 4726.945805][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.945805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.945805][ T7704] netlink_rcv_skb+0x130/0x360 [ 4726.945805][ T7704] netlink_unicast+0x449/0x710 [ 4726.945805][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4726.945805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4726.945805][ T7704] ___sys_sendmsg+0xee/0x170 [ 4726.945805][ T7704] __sys_sendmsg+0xcd/0x170 [ 4726.945805][ T7704] do_syscall_64+0xc6/0x1e0 [ 4726.945805][ T7704] [ 4726.947981][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4726.947981][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4726.947981][ T7704] ipv6_find_idev+0x102/0x170 [ 4726.947981][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4726.947981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.947981][ T7704] netlink_rcv_skb+0x130/0x360 [ 4726.947981][ T7704] netlink_unicast+0x449/0x710 [ 4726.947981][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4726.947981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4726.947981][ T7704] ___sys_sendmsg+0xee/0x170 [ 4726.947981][ T7704] __sys_sendmsg+0xcd/0x170 [ 4726.947981][ T7704] do_syscall_64+0xc6/0x1e0 [ 4726.947981][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.947981][ T7704] [ 4726.949696][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4726.949696][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4726.949696][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4726.949696][ T7704] ipv6_find_idev+0x102/0x170 [ 4726.949696][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4726.949696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.949696][ T7704] netlink_rcv_skb+0x130/0x360 [ 4726.949696][ T7704] netlink_unicast+0x449/0x710 [ 4726.949696][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4726.949696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4726.949696][ T7704] ___sys_sendmsg+0xee/0x170 [ 4726.949696][ T7704] __sys_sendmsg+0xcd/0x170 [ 4726.949696][ T7704] do_syscall_64+0xc6/0x1e0 [ 4726.949696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.949696][ T7704] [ 4737.188795][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4737.189272][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4737.189272][ T7704] netdev_get_by_index+0x5e/0x80 [ 4737.189272][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4737.189272][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4737.189272][ T7704] ip6_route_add+0x1c/0x140 [ 4737.189272][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4737.189272][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4737.189272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4737.189272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4737.189272][ T7704] netlink_rcv_skb+0x130/0x360 [ 4737.189272][ T7704] netlink_unicast+0x449/0x710 [ 4737.189272][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4737.189272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4737.189272][ T7704] ___sys_sendmsg+0xee/0x170 [ 4737.189272][ T7704] __sys_sendmsg+0xcd/0x170 [ 4737.189272][ T7704] do_syscall_64+0xc6/0x1e0 [ 4737.189272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4737.189272][ T7704] [ 4737.191514][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4737.191514][ T7704] netdev_get_by_index+0x5e/0x80 [ 4737.191514][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4737.191514][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4737.191514][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4737.191514][ T7704] ipv6_add_addr+0x411/0x2000 [ 4737.191514][ T7704] inet6_addr_add+0x30e/0xa40 [ 4737.191514][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4737.191514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4737.191514][ T7704] netlink_rcv_skb+0x130/0x360 [ 4737.191514][ T7704] netlink_unicast+0x449/0x710 [ 4737.191514][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4737.191514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4737.191514][ T7704] ___sys_sendmsg+0xee/0x170 [ 4737.191514][ T7704] __sys_sendmsg+0xcd/0x170 [ 4737.191514][ T7704] do_syscall_64+0xc6/0x1e0 [ 4737.191514][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4737.191514][ T7704] [ 4737.193883][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4737.193883][ T7704] netdev_get_by_index+0x5e/0x80 [ 4737.193883][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4737.193883][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4737.193883][ T7704] ip6_route_add+0x1c/0x140 [ 4737.193883][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4737.193883][ T7704] addrconf_add_dev+0xe2/0x170 [ 4737.193883][ T7704] inet6_addr_add+0x12f/0xa40 [ 4737.193883][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4737.193883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4737.193883][ T7704] netlink_rcv_skb+0x130/0x360 [ 4737.193883][ T7704] netlink_unicast+0x449/0x710 [ 4737.193883][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4737.193883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4737.193883][ T7704] ___sys_sendmsg+0xee/0x170 [ 4737.193883][ T7704] __sys_sendmsg+0xcd/0x170 [ 4737.193883][ T7704] do_syscall_64+0xc6/0x1e0 [ 4737.193883][ T7704] [ 4737.197306][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4737.197306][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4737.197306][ T7704] ipv6_find_idev+0x102/0x170 [ 4737.197306][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4737.197306][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4737.197306][ T7704] netlink_rcv_skb+0x130/0x360 [ 4737.197306][ T7704] netlink_unicast+0x449/0x710 [ 4737.197306][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4737.197306][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4737.197306][ T7704] ___sys_sendmsg+0xee/0x170 [ 4737.197306][ T7704] __sys_sendmsg+0xcd/0x170 [ 4737.197306][ T7704] do_syscall_64+0xc6/0x1e0 [ 4737.197306][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4737.197306][ T7704] [ 4737.200001][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4737.200001][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4737.200001][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4737.200001][ T7704] ipv6_find_idev+0x102/0x170 [ 4737.200001][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4737.200001][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4737.200001][ T7704] netlink_rcv_skb+0x130/0x360 [ 4737.200001][ T7704] netlink_unicast+0x449/0x710 [ 4737.200001][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4737.200001][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4737.200001][ T7704] ___sys_sendmsg+0xee/0x170 [ 4737.200001][ T7704] __sys_sendmsg+0xcd/0x170 [ 4737.200001][ T7704] do_syscall_64+0xc6/0x1e0 [ 4737.200001][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4737.200001][ T7704] [ 4747.444824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4747.445238][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4747.445238][ T7704] netdev_get_by_index+0x5e/0x80 [ 4747.445238][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4747.445238][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4747.445238][ T7704] ip6_route_add+0x1c/0x140 [ 4747.445238][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4747.445238][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4747.445238][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4747.445238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4747.445238][ T7704] netlink_rcv_skb+0x130/0x360 [ 4747.445238][ T7704] netlink_unicast+0x449/0x710 [ 4747.445238][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4747.445238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4747.445238][ T7704] ___sys_sendmsg+0xee/0x170 [ 4747.445238][ T7704] __sys_sendmsg+0xcd/0x170 [ 4747.445238][ T7704] do_syscall_64+0xc6/0x1e0 [ 4747.445238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4747.445238][ T7704] [ 4747.447468][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4747.447468][ T7704] netdev_get_by_index+0x5e/0x80 [ 4747.447468][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4747.447468][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4747.447468][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4747.447468][ T7704] ipv6_add_addr+0x411/0x2000 [ 4747.447468][ T7704] inet6_addr_add+0x30e/0xa40 [ 4747.447468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4747.447468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4747.447468][ T7704] netlink_rcv_skb+0x130/0x360 [ 4747.447468][ T7704] netlink_unicast+0x449/0x710 [ 4747.447468][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4747.447468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4747.447468][ T7704] ___sys_sendmsg+0xee/0x170 [ 4747.447468][ T7704] __sys_sendmsg+0xcd/0x170 [ 4747.447468][ T7704] do_syscall_64+0xc6/0x1e0 [ 4747.447468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4747.447468][ T7704] [ 4747.449698][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4747.449698][ T7704] netdev_get_by_index+0x5e/0x80 [ 4747.449698][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4747.449698][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4747.449698][ T7704] ip6_route_add+0x1c/0x140 [ 4747.449698][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4747.449698][ T7704] addrconf_add_dev+0xe2/0x170 [ 4747.449698][ T7704] inet6_addr_add+0x12f/0xa40 [ 4747.449698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4747.449698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4747.449698][ T7704] netlink_rcv_skb+0x130/0x360 [ 4747.449698][ T7704] netlink_unicast+0x449/0x710 [ 4747.449698][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4747.449698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4747.449698][ T7704] ___sys_sendmsg+0xee/0x170 [ 4747.449698][ T7704] __sys_sendmsg+0xcd/0x170 [ 4747.449698][ T7704] do_syscall_64+0xc6/0x1e0 [ 4747.449698][ T7704] [ 4747.451864][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4747.451864][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4747.451864][ T7704] ipv6_find_idev+0x102/0x170 [ 4747.451864][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4747.451864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4747.451864][ T7704] netlink_rcv_skb+0x130/0x360 [ 4747.451864][ T7704] netlink_unicast+0x449/0x710 [ 4747.451864][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4747.451864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4747.451864][ T7704] ___sys_sendmsg+0xee/0x170 [ 4747.451864][ T7704] __sys_sendmsg+0xcd/0x170 [ 4747.451864][ T7704] do_syscall_64+0xc6/0x1e0 [ 4747.451864][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4747.451864][ T7704] [ 4747.453560][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4747.453560][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4747.453560][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4747.453560][ T7704] ipv6_find_idev+0x102/0x170 [ 4747.453560][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4747.453560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4747.453560][ T7704] netlink_rcv_skb+0x130/0x360 [ 4747.453560][ T7704] netlink_unicast+0x449/0x710 [ 4747.453560][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4747.453560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4747.453560][ T7704] ___sys_sendmsg+0xee/0x170 [ 4747.453560][ T7704] __sys_sendmsg+0xcd/0x170 [ 4747.453560][ T7704] do_syscall_64+0xc6/0x1e0 [ 4747.453560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4747.453560][ T7704] [ 4757.692805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4757.693220][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4757.693220][ T7704] netdev_get_by_index+0x5e/0x80 [ 4757.693220][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4757.693220][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4757.693220][ T7704] ip6_route_add+0x1c/0x140 [ 4757.693220][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4757.693220][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4757.693220][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4757.693220][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.693220][ T7704] netlink_rcv_skb+0x130/0x360 [ 4757.693220][ T7704] netlink_unicast+0x449/0x710 [ 4757.693220][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4757.693220][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4757.693220][ T7704] ___sys_sendmsg+0xee/0x170 [ 4757.693220][ T7704] __sys_sendmsg+0xcd/0x170 [ 4757.693220][ T7704] do_syscall_64+0xc6/0x1e0 [ 4757.693220][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.693220][ T7704] [ 4757.695551][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4757.695551][ T7704] netdev_get_by_index+0x5e/0x80 [ 4757.695551][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4757.695551][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4757.695551][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4757.695551][ T7704] ipv6_add_addr+0x411/0x2000 [ 4757.695551][ T7704] inet6_addr_add+0x30e/0xa40 [ 4757.695551][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4757.695551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.695551][ T7704] netlink_rcv_skb+0x130/0x360 [ 4757.695551][ T7704] netlink_unicast+0x449/0x710 [ 4757.695551][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4757.695551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4757.695551][ T7704] ___sys_sendmsg+0xee/0x170 [ 4757.695551][ T7704] __sys_sendmsg+0xcd/0x170 [ 4757.695551][ T7704] do_syscall_64+0xc6/0x1e0 [ 4757.695551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.695551][ T7704] [ 4757.697772][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4757.697772][ T7704] netdev_get_by_index+0x5e/0x80 [ 4757.697772][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4757.697772][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4757.697772][ T7704] ip6_route_add+0x1c/0x140 [ 4757.697772][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4757.697772][ T7704] addrconf_add_dev+0xe2/0x170 [ 4757.697772][ T7704] inet6_addr_add+0x12f/0xa40 [ 4757.697772][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4757.697772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.697772][ T7704] netlink_rcv_skb+0x130/0x360 [ 4757.697772][ T7704] netlink_unicast+0x449/0x710 [ 4757.697772][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4757.697772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4757.697772][ T7704] ___sys_sendmsg+0xee/0x170 [ 4757.697772][ T7704] __sys_sendmsg+0xcd/0x170 [ 4757.697772][ T7704] do_syscall_64+0xc6/0x1e0 [ 4757.697772][ T7704] [ 4757.699968][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4757.699968][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4757.699968][ T7704] ipv6_find_idev+0x102/0x170 [ 4757.699968][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4757.699968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.699968][ T7704] netlink_rcv_skb+0x130/0x360 [ 4757.699968][ T7704] netlink_unicast+0x449/0x710 [ 4757.699968][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4757.699968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4757.699968][ T7704] ___sys_sendmsg+0xee/0x170 [ 4757.699968][ T7704] __sys_sendmsg+0xcd/0x170 [ 4757.699968][ T7704] do_syscall_64+0xc6/0x1e0 [ 4757.699968][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.699968][ T7704] [ 4757.701675][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4757.701675][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4757.701675][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4757.701675][ T7704] ipv6_find_idev+0x102/0x170 [ 4757.701675][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4757.701675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.701675][ T7704] netlink_rcv_skb+0x130/0x360 [ 4757.701675][ T7704] netlink_unicast+0x449/0x710 [ 4757.701675][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4757.701675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4757.701675][ T7704] ___sys_sendmsg+0xee/0x170 [ 4757.701675][ T7704] __sys_sendmsg+0xcd/0x170 [ 4757.701675][ T7704] do_syscall_64+0xc6/0x1e0 [ 4757.701675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.701675][ T7704] [ 4767.940815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4767.941291][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4767.941291][ T7704] netdev_get_by_index+0x5e/0x80 [ 4767.941291][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4767.941291][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4767.941291][ T7704] ip6_route_add+0x1c/0x140 [ 4767.941291][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4767.941291][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4767.941291][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4767.941291][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.941291][ T7704] netlink_rcv_skb+0x130/0x360 [ 4767.941291][ T7704] netlink_unicast+0x449/0x710 [ 4767.941291][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4767.941291][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4767.941291][ T7704] ___sys_sendmsg+0xee/0x170 [ 4767.941291][ T7704] __sys_sendmsg+0xcd/0x170 [ 4767.941291][ T7704] do_syscall_64+0xc6/0x1e0 [ 4767.941291][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.941291][ T7704] [ 4767.943518][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4767.943518][ T7704] netdev_get_by_index+0x5e/0x80 [ 4767.943518][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4767.943518][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4767.943518][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4767.943518][ T7704] ipv6_add_addr+0x411/0x2000 [ 4767.943518][ T7704] inet6_addr_add+0x30e/0xa40 [ 4767.943518][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4767.943518][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.943518][ T7704] netlink_rcv_skb+0x130/0x360 [ 4767.943518][ T7704] netlink_unicast+0x449/0x710 [ 4767.943518][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4767.943518][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4767.943518][ T7704] ___sys_sendmsg+0xee/0x170 [ 4767.943518][ T7704] __sys_sendmsg+0xcd/0x170 [ 4767.943518][ T7704] do_syscall_64+0xc6/0x1e0 [ 4767.943518][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.943518][ T7704] [ 4767.945725][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4767.945725][ T7704] netdev_get_by_index+0x5e/0x80 [ 4767.945725][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4767.945725][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4767.945725][ T7704] ip6_route_add+0x1c/0x140 [ 4767.945725][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4767.945725][ T7704] addrconf_add_dev+0xe2/0x170 [ 4767.945725][ T7704] inet6_addr_add+0x12f/0xa40 [ 4767.945725][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4767.945725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.945725][ T7704] netlink_rcv_skb+0x130/0x360 [ 4767.945725][ T7704] netlink_unicast+0x449/0x710 [ 4767.945725][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4767.945725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4767.945725][ T7704] ___sys_sendmsg+0xee/0x170 [ 4767.945725][ T7704] __sys_sendmsg+0xcd/0x170 [ 4767.945725][ T7704] do_syscall_64+0xc6/0x1e0 [ 4767.945725][ T7704] [ 4767.947917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4767.947917][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4767.947917][ T7704] ipv6_find_idev+0x102/0x170 [ 4767.947917][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4767.947917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.947917][ T7704] netlink_rcv_skb+0x130/0x360 [ 4767.947917][ T7704] netlink_unicast+0x449/0x710 [ 4767.947917][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4767.947917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4767.947917][ T7704] ___sys_sendmsg+0xee/0x170 [ 4767.947917][ T7704] __sys_sendmsg+0xcd/0x170 [ 4767.947917][ T7704] do_syscall_64+0xc6/0x1e0 [ 4767.947917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.947917][ T7704] [ 4767.950142][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4767.950142][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4767.950142][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4767.950142][ T7704] ipv6_find_idev+0x102/0x170 [ 4767.950142][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4767.950142][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.950142][ T7704] netlink_rcv_skb+0x130/0x360 [ 4767.950142][ T7704] netlink_unicast+0x449/0x710 [ 4767.950142][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4767.950142][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4767.950142][ T7704] ___sys_sendmsg+0xee/0x170 [ 4767.950142][ T7704] __sys_sendmsg+0xcd/0x170 [ 4767.950142][ T7704] do_syscall_64+0xc6/0x1e0 [ 4767.950142][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.950142][ T7704] [ 4778.188793][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4778.189255][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4778.189255][ T7704] netdev_get_by_index+0x5e/0x80 [ 4778.189255][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4778.189255][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4778.189255][ T7704] ip6_route_add+0x1c/0x140 [ 4778.189255][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4778.189255][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4778.189255][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4778.189255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4778.189255][ T7704] netlink_rcv_skb+0x130/0x360 [ 4778.189255][ T7704] netlink_unicast+0x449/0x710 [ 4778.189255][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4778.189255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4778.189255][ T7704] ___sys_sendmsg+0xee/0x170 [ 4778.189255][ T7704] __sys_sendmsg+0xcd/0x170 [ 4778.189255][ T7704] do_syscall_64+0xc6/0x1e0 [ 4778.189255][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4778.189255][ T7704] [ 4778.191495][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4778.191495][ T7704] netdev_get_by_index+0x5e/0x80 [ 4778.191495][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4778.191495][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4778.191495][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4778.191495][ T7704] ipv6_add_addr+0x411/0x2000 [ 4778.191495][ T7704] inet6_addr_add+0x30e/0xa40 [ 4778.191495][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4778.191495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4778.191495][ T7704] netlink_rcv_skb+0x130/0x360 [ 4778.191495][ T7704] netlink_unicast+0x449/0x710 [ 4778.191495][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4778.191495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4778.191495][ T7704] ___sys_sendmsg+0xee/0x170 [ 4778.191495][ T7704] __sys_sendmsg+0xcd/0x170 [ 4778.191495][ T7704] do_syscall_64+0xc6/0x1e0 [ 4778.191495][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4778.191495][ T7704] [ 4778.193747][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4778.193747][ T7704] netdev_get_by_index+0x5e/0x80 [ 4778.193747][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4778.193747][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4778.193747][ T7704] ip6_route_add+0x1c/0x140 [ 4778.193747][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4778.193747][ T7704] addrconf_add_dev+0xe2/0x170 [ 4778.193747][ T7704] inet6_addr_add+0x12f/0xa40 [ 4778.193747][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4778.193747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4778.193747][ T7704] netlink_rcv_skb+0x130/0x360 [ 4778.193747][ T7704] netlink_unicast+0x449/0x710 [ 4778.193747][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4778.193747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4778.193747][ T7704] ___sys_sendmsg+0xee/0x170 [ 4778.193747][ T7704] __sys_sendmsg+0xcd/0x170 [ 4778.193747][ T7704] do_syscall_64+0xc6/0x1e0 [ 4778.193747][ T7704] [ 4778.195938][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4778.195938][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4778.195938][ T7704] ipv6_find_idev+0x102/0x170 [ 4778.195938][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4778.195938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4778.195938][ T7704] netlink_rcv_skb+0x130/0x360 [ 4778.195938][ T7704] netlink_unicast+0x449/0x710 [ 4778.195938][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4778.195938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4778.195938][ T7704] ___sys_sendmsg+0xee/0x170 [ 4778.195938][ T7704] __sys_sendmsg+0xcd/0x170 [ 4778.195938][ T7704] do_syscall_64+0xc6/0x1e0 [ 4778.195938][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4778.195938][ T7704] [ 4778.198044][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4778.198044][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4778.198044][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4778.198044][ T7704] ipv6_find_idev+0x102/0x170 [ 4778.198044][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4778.198044][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4778.198044][ T7704] netlink_rcv_skb+0x130/0x360 [ 4778.198044][ T7704] netlink_unicast+0x449/0x710 [ 4778.198044][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4778.198044][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4778.198044][ T7704] ___sys_sendmsg+0xee/0x170 [ 4778.198044][ T7704] __sys_sendmsg+0xcd/0x170 [ 4778.198044][ T7704] do_syscall_64+0xc6/0x1e0 [ 4778.198044][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4778.198044][ T7704] [ 4788.332870][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4788.333846][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4788.333846][ T7704] netdev_get_by_index+0x5e/0x80 [ 4788.333846][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4788.333846][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4788.333846][ T7704] ip6_route_add+0x1c/0x140 [ 4788.333846][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4788.333846][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4788.333846][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4788.333846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4788.333846][ T7704] netlink_rcv_skb+0x130/0x360 [ 4788.333846][ T7704] netlink_unicast+0x449/0x710 [ 4788.333846][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4788.333846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4788.333846][ T7704] ___sys_sendmsg+0xee/0x170 [ 4788.333846][ T7704] __sys_sendmsg+0xcd/0x170 [ 4788.333846][ T7704] do_syscall_64+0xc6/0x1e0 [ 4788.333846][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4788.333846][ T7704] [ 4788.336169][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4788.336169][ T7704] netdev_get_by_index+0x5e/0x80 [ 4788.336169][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4788.336169][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4788.336169][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4788.336169][ T7704] ipv6_add_addr+0x411/0x2000 [ 4788.336169][ T7704] inet6_addr_add+0x30e/0xa40 [ 4788.336169][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4788.336169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4788.336169][ T7704] netlink_rcv_skb+0x130/0x360 [ 4788.336169][ T7704] netlink_unicast+0x449/0x710 [ 4788.336169][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4788.336169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4788.336169][ T7704] ___sys_sendmsg+0xee/0x170 [ 4788.336169][ T7704] __sys_sendmsg+0xcd/0x170 [ 4788.336169][ T7704] do_syscall_64+0xc6/0x1e0 [ 4788.336169][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4788.336169][ T7704] [ 4788.338379][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4788.338379][ T7704] netdev_get_by_index+0x5e/0x80 [ 4788.338379][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4788.338379][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4788.338379][ T7704] ip6_route_add+0x1c/0x140 [ 4788.338379][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4788.338379][ T7704] addrconf_add_dev+0xe2/0x170 [ 4788.338379][ T7704] inet6_addr_add+0x12f/0xa40 [ 4788.338379][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4788.338379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4788.338379][ T7704] netlink_rcv_skb+0x130/0x360 [ 4788.338379][ T7704] netlink_unicast+0x449/0x710 [ 4788.338379][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4788.338379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4788.338379][ T7704] ___sys_sendmsg+0xee/0x170 [ 4788.338379][ T7704] __sys_sendmsg+0xcd/0x170 [ 4788.338379][ T7704] do_syscall_64+0xc6/0x1e0 [ 4788.338379][ T7704] [ 4788.340551][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4788.340551][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4788.340551][ T7704] ipv6_find_idev+0x102/0x170 [ 4788.340551][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4788.340551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4788.340551][ T7704] netlink_rcv_skb+0x130/0x360 [ 4788.340551][ T7704] netlink_unicast+0x449/0x710 [ 4788.340551][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4788.340551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4788.340551][ T7704] ___sys_sendmsg+0xee/0x170 [ 4788.340551][ T7704] __sys_sendmsg+0xcd/0x170 [ 4788.340551][ T7704] do_syscall_64+0xc6/0x1e0 [ 4788.340551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4788.340551][ T7704] [ 4788.342256][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4788.342256][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4788.342256][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4788.342256][ T7704] ipv6_find_idev+0x102/0x170 [ 4788.342256][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4788.342256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4788.342256][ T7704] netlink_rcv_skb+0x130/0x360 [ 4788.342256][ T7704] netlink_unicast+0x449/0x710 [ 4788.342256][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4788.342256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4788.342256][ T7704] ___sys_sendmsg+0xee/0x170 [ 4788.342256][ T7704] __sys_sendmsg+0xcd/0x170 [ 4788.342256][ T7704] do_syscall_64+0xc6/0x1e0 [ 4788.342256][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4788.342256][ T7704] [ 4798.596807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4798.597275][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4798.597275][ T7704] netdev_get_by_index+0x5e/0x80 [ 4798.597275][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4798.597275][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4798.597275][ T7704] ip6_route_add+0x1c/0x140 [ 4798.597275][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4798.597275][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4798.597275][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4798.597275][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.597275][ T7704] netlink_rcv_skb+0x130/0x360 [ 4798.597275][ T7704] netlink_unicast+0x449/0x710 [ 4798.597275][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4798.597275][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4798.597275][ T7704] ___sys_sendmsg+0xee/0x170 [ 4798.597275][ T7704] __sys_sendmsg+0xcd/0x170 [ 4798.597275][ T7704] do_syscall_64+0xc6/0x1e0 [ 4798.597275][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.597275][ T7704] [ 4798.599530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4798.599530][ T7704] netdev_get_by_index+0x5e/0x80 [ 4798.599530][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4798.599530][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4798.599530][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4798.599530][ T7704] ipv6_add_addr+0x411/0x2000 [ 4798.599530][ T7704] inet6_addr_add+0x30e/0xa40 [ 4798.599530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4798.599530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.599530][ T7704] netlink_rcv_skb+0x130/0x360 [ 4798.599530][ T7704] netlink_unicast+0x449/0x710 [ 4798.599530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4798.599530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4798.599530][ T7704] ___sys_sendmsg+0xee/0x170 [ 4798.599530][ T7704] __sys_sendmsg+0xcd/0x170 [ 4798.599530][ T7704] do_syscall_64+0xc6/0x1e0 [ 4798.599530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.599530][ T7704] [ 4798.601745][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4798.601745][ T7704] netdev_get_by_index+0x5e/0x80 [ 4798.601745][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4798.601745][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4798.601745][ T7704] ip6_route_add+0x1c/0x140 [ 4798.601745][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4798.601745][ T7704] addrconf_add_dev+0xe2/0x170 [ 4798.601745][ T7704] inet6_addr_add+0x12f/0xa40 [ 4798.601745][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4798.601745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.601745][ T7704] netlink_rcv_skb+0x130/0x360 [ 4798.601745][ T7704] netlink_unicast+0x449/0x710 [ 4798.601745][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4798.601745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4798.601745][ T7704] ___sys_sendmsg+0xee/0x170 [ 4798.601745][ T7704] __sys_sendmsg+0xcd/0x170 [ 4798.601745][ T7704] do_syscall_64+0xc6/0x1e0 [ 4798.601745][ T7704] [ 4798.603938][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4798.603938][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4798.603938][ T7704] ipv6_find_idev+0x102/0x170 [ 4798.603938][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4798.603938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.603938][ T7704] netlink_rcv_skb+0x130/0x360 [ 4798.603938][ T7704] netlink_unicast+0x449/0x710 [ 4798.603938][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4798.603938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4798.603938][ T7704] ___sys_sendmsg+0xee/0x170 [ 4798.603938][ T7704] __sys_sendmsg+0xcd/0x170 [ 4798.603938][ T7704] do_syscall_64+0xc6/0x1e0 [ 4798.603938][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.603938][ T7704] [ 4798.605642][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4798.605642][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4798.605642][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4798.605642][ T7704] ipv6_find_idev+0x102/0x170 [ 4798.605642][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4798.605642][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.605642][ T7704] netlink_rcv_skb+0x130/0x360 [ 4798.605642][ T7704] netlink_unicast+0x449/0x710 [ 4798.605642][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4798.605642][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4798.605642][ T7704] ___sys_sendmsg+0xee/0x170 [ 4798.605642][ T7704] __sys_sendmsg+0xcd/0x170 [ 4798.605642][ T7704] do_syscall_64+0xc6/0x1e0 [ 4798.605642][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.605642][ T7704] [ 4808.852814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4808.853288][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4808.853288][ T7704] netdev_get_by_index+0x5e/0x80 [ 4808.853288][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4808.853288][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4808.853288][ T7704] ip6_route_add+0x1c/0x140 [ 4808.853288][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4808.853288][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4808.853288][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.853288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.853288][ T7704] netlink_rcv_skb+0x130/0x360 [ 4808.853288][ T7704] netlink_unicast+0x449/0x710 [ 4808.853288][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4808.853288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4808.853288][ T7704] ___sys_sendmsg+0xee/0x170 [ 4808.853288][ T7704] __sys_sendmsg+0xcd/0x170 [ 4808.853288][ T7704] do_syscall_64+0xc6/0x1e0 [ 4808.853288][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.853288][ T7704] [ 4808.855531][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4808.855531][ T7704] netdev_get_by_index+0x5e/0x80 [ 4808.855531][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4808.855531][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4808.855531][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4808.855531][ T7704] ipv6_add_addr+0x411/0x2000 [ 4808.855531][ T7704] inet6_addr_add+0x30e/0xa40 [ 4808.855531][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.855531][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.855531][ T7704] netlink_rcv_skb+0x130/0x360 [ 4808.855531][ T7704] netlink_unicast+0x449/0x710 [ 4808.855531][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4808.855531][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4808.855531][ T7704] ___sys_sendmsg+0xee/0x170 [ 4808.855531][ T7704] __sys_sendmsg+0xcd/0x170 [ 4808.855531][ T7704] do_syscall_64+0xc6/0x1e0 [ 4808.855531][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.855531][ T7704] [ 4808.857755][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4808.857755][ T7704] netdev_get_by_index+0x5e/0x80 [ 4808.857755][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4808.857755][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4808.857755][ T7704] ip6_route_add+0x1c/0x140 [ 4808.857755][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4808.857755][ T7704] addrconf_add_dev+0xe2/0x170 [ 4808.857755][ T7704] inet6_addr_add+0x12f/0xa40 [ 4808.857755][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.857755][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.857755][ T7704] netlink_rcv_skb+0x130/0x360 [ 4808.857755][ T7704] netlink_unicast+0x449/0x710 [ 4808.857755][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4808.857755][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4808.857755][ T7704] ___sys_sendmsg+0xee/0x170 [ 4808.857755][ T7704] __sys_sendmsg+0xcd/0x170 [ 4808.857755][ T7704] do_syscall_64+0xc6/0x1e0 [ 4808.857755][ T7704] [ 4808.859934][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4808.859934][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4808.859934][ T7704] ipv6_find_idev+0x102/0x170 [ 4808.859934][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.859934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.859934][ T7704] netlink_rcv_skb+0x130/0x360 [ 4808.859934][ T7704] netlink_unicast+0x449/0x710 [ 4808.859934][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4808.859934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4808.859934][ T7704] ___sys_sendmsg+0xee/0x170 [ 4808.859934][ T7704] __sys_sendmsg+0xcd/0x170 [ 4808.859934][ T7704] do_syscall_64+0xc6/0x1e0 [ 4808.859934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.859934][ T7704] [ 4808.861639][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4808.861639][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4808.861639][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4808.861639][ T7704] ipv6_find_idev+0x102/0x170 [ 4808.861639][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.861639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.861639][ T7704] netlink_rcv_skb+0x130/0x360 [ 4808.861639][ T7704] netlink_unicast+0x449/0x710 [ 4808.861639][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4808.861639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4808.861639][ T7704] ___sys_sendmsg+0xee/0x170 [ 4808.861639][ T7704] __sys_sendmsg+0xcd/0x170 [ 4808.861639][ T7704] do_syscall_64+0xc6/0x1e0 [ 4808.861639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.861639][ T7704] [ 4819.108741][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4819.109160][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4819.109160][ T7704] netdev_get_by_index+0x5e/0x80 [ 4819.109160][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4819.109160][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4819.109160][ T7704] ip6_route_add+0x1c/0x140 [ 4819.109160][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4819.109160][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4819.109160][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4819.109160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4819.109160][ T7704] netlink_rcv_skb+0x130/0x360 [ 4819.109160][ T7704] netlink_unicast+0x449/0x710 [ 4819.109160][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4819.109160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4819.109160][ T7704] ___sys_sendmsg+0xee/0x170 [ 4819.109160][ T7704] __sys_sendmsg+0xcd/0x170 [ 4819.109160][ T7704] do_syscall_64+0xc6/0x1e0 [ 4819.109160][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4819.109160][ T7704] [ 4819.111378][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4819.111378][ T7704] netdev_get_by_index+0x5e/0x80 [ 4819.111378][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4819.111378][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4819.111378][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4819.111378][ T7704] ipv6_add_addr+0x411/0x2000 [ 4819.111378][ T7704] inet6_addr_add+0x30e/0xa40 [ 4819.111378][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4819.111378][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4819.111378][ T7704] netlink_rcv_skb+0x130/0x360 [ 4819.111378][ T7704] netlink_unicast+0x449/0x710 [ 4819.111378][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4819.111378][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4819.111378][ T7704] ___sys_sendmsg+0xee/0x170 [ 4819.111378][ T7704] __sys_sendmsg+0xcd/0x170 [ 4819.111378][ T7704] do_syscall_64+0xc6/0x1e0 [ 4819.111378][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4819.111378][ T7704] [ 4819.113704][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4819.113704][ T7704] netdev_get_by_index+0x5e/0x80 [ 4819.113704][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4819.113704][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4819.113704][ T7704] ip6_route_add+0x1c/0x140 [ 4819.113704][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4819.113704][ T7704] addrconf_add_dev+0xe2/0x170 [ 4819.113704][ T7704] inet6_addr_add+0x12f/0xa40 [ 4819.113704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4819.113704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4819.113704][ T7704] netlink_rcv_skb+0x130/0x360 [ 4819.113704][ T7704] netlink_unicast+0x449/0x710 [ 4819.113704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4819.113704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4819.113704][ T7704] ___sys_sendmsg+0xee/0x170 [ 4819.113704][ T7704] __sys_sendmsg+0xcd/0x170 [ 4819.113704][ T7704] do_syscall_64+0xc6/0x1e0 [ 4819.113704][ T7704] [ 4819.115886][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4819.115886][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4819.115886][ T7704] ipv6_find_idev+0x102/0x170 [ 4819.115886][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4819.115886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4819.115886][ T7704] netlink_rcv_skb+0x130/0x360 [ 4819.115886][ T7704] netlink_unicast+0x449/0x710 [ 4819.115886][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4819.115886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4819.115886][ T7704] ___sys_sendmsg+0xee/0x170 [ 4819.115886][ T7704] __sys_sendmsg+0xcd/0x170 [ 4819.115886][ T7704] do_syscall_64+0xc6/0x1e0 [ 4819.115886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4819.115886][ T7704] [ 4819.117595][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4819.117595][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4819.117595][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4819.117595][ T7704] ipv6_find_idev+0x102/0x170 [ 4819.117595][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4819.117595][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4819.117595][ T7704] netlink_rcv_skb+0x130/0x360 [ 4819.117595][ T7704] netlink_unicast+0x449/0x710 [ 4819.117595][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4819.117595][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4819.117595][ T7704] ___sys_sendmsg+0xee/0x170 [ 4819.117595][ T7704] __sys_sendmsg+0xcd/0x170 [ 4819.117595][ T7704] do_syscall_64+0xc6/0x1e0 [ 4819.117595][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4819.117595][ T7704] [ 4829.220800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4829.221274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4829.221274][ T7704] netdev_get_by_index+0x5e/0x80 [ 4829.221274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4829.221274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4829.221274][ T7704] ip6_route_add+0x1c/0x140 [ 4829.221274][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4829.221274][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4829.221274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4829.221274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4829.221274][ T7704] netlink_rcv_skb+0x130/0x360 [ 4829.221274][ T7704] netlink_unicast+0x449/0x710 [ 4829.221274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4829.221274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4829.221274][ T7704] ___sys_sendmsg+0xee/0x170 [ 4829.221274][ T7704] __sys_sendmsg+0xcd/0x170 [ 4829.221274][ T7704] do_syscall_64+0xc6/0x1e0 [ 4829.221274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4829.221274][ T7704] [ 4829.223508][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4829.223508][ T7704] netdev_get_by_index+0x5e/0x80 [ 4829.223508][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4829.223508][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4829.223508][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4829.223508][ T7704] ipv6_add_addr+0x411/0x2000 [ 4829.223508][ T7704] inet6_addr_add+0x30e/0xa40 [ 4829.223508][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4829.223508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4829.223508][ T7704] netlink_rcv_skb+0x130/0x360 [ 4829.223508][ T7704] netlink_unicast+0x449/0x710 [ 4829.223508][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4829.223508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4829.223508][ T7704] ___sys_sendmsg+0xee/0x170 [ 4829.223508][ T7704] __sys_sendmsg+0xcd/0x170 [ 4829.223508][ T7704] do_syscall_64+0xc6/0x1e0 [ 4829.223508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4829.223508][ T7704] [ 4829.225744][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4829.225744][ T7704] netdev_get_by_index+0x5e/0x80 [ 4829.225744][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4829.225744][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4829.225744][ T7704] ip6_route_add+0x1c/0x140 [ 4829.225744][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4829.225744][ T7704] addrconf_add_dev+0xe2/0x170 [ 4829.225744][ T7704] inet6_addr_add+0x12f/0xa40 [ 4829.225744][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4829.225744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4829.225744][ T7704] netlink_rcv_skb+0x130/0x360 [ 4829.225744][ T7704] netlink_unicast+0x449/0x710 [ 4829.225744][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4829.225744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4829.225744][ T7704] ___sys_sendmsg+0xee/0x170 [ 4829.225744][ T7704] __sys_sendmsg+0xcd/0x170 [ 4829.225744][ T7704] do_syscall_64+0xc6/0x1e0 [ 4829.225744][ T7704] [ 4829.227927][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4829.227927][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4829.227927][ T7704] ipv6_find_idev+0x102/0x170 [ 4829.227927][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4829.227927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4829.227927][ T7704] netlink_rcv_skb+0x130/0x360 [ 4829.227927][ T7704] netlink_unicast+0x449/0x710 [ 4829.227927][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4829.227927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4829.227927][ T7704] ___sys_sendmsg+0xee/0x170 [ 4829.227927][ T7704] __sys_sendmsg+0xcd/0x170 [ 4829.227927][ T7704] do_syscall_64+0xc6/0x1e0 [ 4829.227927][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4829.227927][ T7704] [ 4829.229628][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4829.229628][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4829.229628][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4829.229628][ T7704] ipv6_find_idev+0x102/0x170 [ 4829.229628][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4829.229628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4829.229628][ T7704] netlink_rcv_skb+0x130/0x360 [ 4829.229628][ T7704] netlink_unicast+0x449/0x710 [ 4829.229628][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4829.229628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4829.229628][ T7704] ___sys_sendmsg+0xee/0x170 [ 4829.229628][ T7704] __sys_sendmsg+0xcd/0x170 [ 4829.229628][ T7704] do_syscall_64+0xc6/0x1e0 [ 4829.229628][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4829.229628][ T7704] [ 4839.444797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4839.445212][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4839.445212][ T7704] netdev_get_by_index+0x5e/0x80 [ 4839.445212][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4839.445212][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4839.445212][ T7704] ip6_route_add+0x1c/0x140 [ 4839.445212][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4839.445212][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4839.445212][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4839.445212][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.445212][ T7704] netlink_rcv_skb+0x130/0x360 [ 4839.445212][ T7704] netlink_unicast+0x449/0x710 [ 4839.445212][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4839.445212][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4839.445212][ T7704] ___sys_sendmsg+0xee/0x170 [ 4839.445212][ T7704] __sys_sendmsg+0xcd/0x170 [ 4839.445212][ T7704] do_syscall_64+0xc6/0x1e0 [ 4839.445212][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.445212][ T7704] [ 4839.447451][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4839.447451][ T7704] netdev_get_by_index+0x5e/0x80 [ 4839.447451][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4839.447451][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4839.447451][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4839.447451][ T7704] ipv6_add_addr+0x411/0x2000 [ 4839.447451][ T7704] inet6_addr_add+0x30e/0xa40 [ 4839.447451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4839.447451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.447451][ T7704] netlink_rcv_skb+0x130/0x360 [ 4839.447451][ T7704] netlink_unicast+0x449/0x710 [ 4839.447451][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4839.447451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4839.447451][ T7704] ___sys_sendmsg+0xee/0x170 [ 4839.447451][ T7704] __sys_sendmsg+0xcd/0x170 [ 4839.447451][ T7704] do_syscall_64+0xc6/0x1e0 [ 4839.447451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.447451][ T7704] [ 4839.449674][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4839.449674][ T7704] netdev_get_by_index+0x5e/0x80 [ 4839.449674][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4839.449674][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4839.449674][ T7704] ip6_route_add+0x1c/0x140 [ 4839.449674][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4839.449674][ T7704] addrconf_add_dev+0xe2/0x170 [ 4839.449674][ T7704] inet6_addr_add+0x12f/0xa40 [ 4839.449674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4839.449674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.449674][ T7704] netlink_rcv_skb+0x130/0x360 [ 4839.449674][ T7704] netlink_unicast+0x449/0x710 [ 4839.449674][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4839.449674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4839.449674][ T7704] ___sys_sendmsg+0xee/0x170 [ 4839.449674][ T7704] __sys_sendmsg+0xcd/0x170 [ 4839.449674][ T7704] do_syscall_64+0xc6/0x1e0 [ 4839.449674][ T7704] [ 4839.451856][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4839.451856][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4839.451856][ T7704] ipv6_find_idev+0x102/0x170 [ 4839.451856][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4839.451856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.451856][ T7704] netlink_rcv_skb+0x130/0x360 [ 4839.451856][ T7704] netlink_unicast+0x449/0x710 [ 4839.451856][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4839.451856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4839.451856][ T7704] ___sys_sendmsg+0xee/0x170 [ 4839.451856][ T7704] __sys_sendmsg+0xcd/0x170 [ 4839.451856][ T7704] do_syscall_64+0xc6/0x1e0 [ 4839.451856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.451856][ T7704] [ 4839.453550][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4839.453550][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4839.453550][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4839.453550][ T7704] ipv6_find_idev+0x102/0x170 [ 4839.453550][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4839.453550][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.453550][ T7704] netlink_rcv_skb+0x130/0x360 [ 4839.453550][ T7704] netlink_unicast+0x449/0x710 [ 4839.453550][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4839.453550][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4839.453550][ T7704] ___sys_sendmsg+0xee/0x170 [ 4839.453550][ T7704] __sys_sendmsg+0xcd/0x170 [ 4839.453550][ T7704] do_syscall_64+0xc6/0x1e0 [ 4839.453550][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.453550][ T7704] [ 4849.660849][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4849.661274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4849.661274][ T7704] netdev_get_by_index+0x5e/0x80 [ 4849.661274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4849.661274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4849.661274][ T7704] ip6_route_add+0x1c/0x140 [ 4849.661274][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4849.661274][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4849.661274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.661274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.661274][ T7704] netlink_rcv_skb+0x130/0x360 [ 4849.661274][ T7704] netlink_unicast+0x449/0x710 [ 4849.661274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4849.661274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4849.661274][ T7704] ___sys_sendmsg+0xee/0x170 [ 4849.661274][ T7704] __sys_sendmsg+0xcd/0x170 [ 4849.661274][ T7704] do_syscall_64+0xc6/0x1e0 [ 4849.661274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.661274][ T7704] [ 4849.663500][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4849.663500][ T7704] netdev_get_by_index+0x5e/0x80 [ 4849.663500][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4849.663500][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4849.663500][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4849.663500][ T7704] ipv6_add_addr+0x411/0x2000 [ 4849.663500][ T7704] inet6_addr_add+0x30e/0xa40 [ 4849.663500][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.663500][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.663500][ T7704] netlink_rcv_skb+0x130/0x360 [ 4849.663500][ T7704] netlink_unicast+0x449/0x710 [ 4849.663500][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4849.663500][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4849.663500][ T7704] ___sys_sendmsg+0xee/0x170 [ 4849.663500][ T7704] __sys_sendmsg+0xcd/0x170 [ 4849.663500][ T7704] do_syscall_64+0xc6/0x1e0 [ 4849.663500][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.663500][ T7704] [ 4849.665725][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4849.665725][ T7704] netdev_get_by_index+0x5e/0x80 [ 4849.665725][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4849.665725][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4849.665725][ T7704] ip6_route_add+0x1c/0x140 [ 4849.665725][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4849.665725][ T7704] addrconf_add_dev+0xe2/0x170 [ 4849.665725][ T7704] inet6_addr_add+0x12f/0xa40 [ 4849.665725][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.665725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.665725][ T7704] netlink_rcv_skb+0x130/0x360 [ 4849.665725][ T7704] netlink_unicast+0x449/0x710 [ 4849.665725][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4849.665725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4849.665725][ T7704] ___sys_sendmsg+0xee/0x170 [ 4849.665725][ T7704] __sys_sendmsg+0xcd/0x170 [ 4849.665725][ T7704] do_syscall_64+0xc6/0x1e0 [ 4849.665725][ T7704] [ 4849.668428][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4849.668428][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4849.668428][ T7704] ipv6_find_idev+0x102/0x170 [ 4849.668428][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4849.668428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.668428][ T7704] netlink_rcv_skb+0x130/0x360 [ 4849.668428][ T7704] netlink_unicast+0x449/0x710 [ 4849.668428][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4849.668428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4849.668428][ T7704] ___sys_sendmsg+0xee/0x170 [ 4849.668428][ T7704] __sys_sendmsg+0xcd/0x170 [ 4849.668428][ T7704] do_syscall_64+0xc6/0x1e0 [ 4849.668428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.668428][ T7704] [ 4849.670126][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4849.670126][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4849.670126][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4849.670126][ T7704] ipv6_find_idev+0x102/0x170 [ 4849.670126][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4849.670126][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.670126][ T7704] netlink_rcv_skb+0x130/0x360 [ 4849.670126][ T7704] netlink_unicast+0x449/0x710 [ 4849.670126][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4849.670126][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4849.670126][ T7704] ___sys_sendmsg+0xee/0x170 [ 4849.670126][ T7704] __sys_sendmsg+0xcd/0x170 [ 4849.670126][ T7704] do_syscall_64+0xc6/0x1e0 [ 4849.670126][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.670126][ T7704] [ 4859.924850][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4859.925256][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4859.925256][ T7704] netdev_get_by_index+0x5e/0x80 [ 4859.925256][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4859.925256][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4859.925256][ T7704] ip6_route_add+0x1c/0x140 [ 4859.925256][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4859.925256][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4859.925256][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.925256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.925256][ T7704] netlink_rcv_skb+0x130/0x360 [ 4859.925256][ T7704] netlink_unicast+0x449/0x710 [ 4859.925256][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4859.925256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4859.925256][ T7704] ___sys_sendmsg+0xee/0x170 [ 4859.925256][ T7704] __sys_sendmsg+0xcd/0x170 [ 4859.925256][ T7704] do_syscall_64+0xc6/0x1e0 [ 4859.925256][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.925256][ T7704] [ 4859.927503][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4859.927503][ T7704] netdev_get_by_index+0x5e/0x80 [ 4859.927503][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4859.927503][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4859.927503][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4859.927503][ T7704] ipv6_add_addr+0x411/0x2000 [ 4859.927503][ T7704] inet6_addr_add+0x30e/0xa40 [ 4859.927503][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.927503][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.927503][ T7704] netlink_rcv_skb+0x130/0x360 [ 4859.927503][ T7704] netlink_unicast+0x449/0x710 [ 4859.927503][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4859.927503][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4859.927503][ T7704] ___sys_sendmsg+0xee/0x170 [ 4859.927503][ T7704] __sys_sendmsg+0xcd/0x170 [ 4859.927503][ T7704] do_syscall_64+0xc6/0x1e0 [ 4859.927503][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.927503][ T7704] [ 4859.929724][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4859.929724][ T7704] netdev_get_by_index+0x5e/0x80 [ 4859.929724][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4859.929724][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4859.929724][ T7704] ip6_route_add+0x1c/0x140 [ 4859.929724][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4859.929724][ T7704] addrconf_add_dev+0xe2/0x170 [ 4859.929724][ T7704] inet6_addr_add+0x12f/0xa40 [ 4859.929724][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.929724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.929724][ T7704] netlink_rcv_skb+0x130/0x360 [ 4859.929724][ T7704] netlink_unicast+0x449/0x710 [ 4859.929724][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4859.929724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4859.929724][ T7704] ___sys_sendmsg+0xee/0x170 [ 4859.929724][ T7704] __sys_sendmsg+0xcd/0x170 [ 4859.929724][ T7704] do_syscall_64+0xc6/0x1e0 [ 4859.929724][ T7704] [ 4859.931921][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4859.931921][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4859.931921][ T7704] ipv6_find_idev+0x102/0x170 [ 4859.931921][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.931921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.931921][ T7704] netlink_rcv_skb+0x130/0x360 [ 4859.931921][ T7704] netlink_unicast+0x449/0x710 [ 4859.931921][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4859.931921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4859.931921][ T7704] ___sys_sendmsg+0xee/0x170 [ 4859.931921][ T7704] __sys_sendmsg+0xcd/0x170 [ 4859.931921][ T7704] do_syscall_64+0xc6/0x1e0 [ 4859.931921][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.931921][ T7704] [ 4859.933632][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4859.933632][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4859.933632][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4859.933632][ T7704] ipv6_find_idev+0x102/0x170 [ 4859.933632][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.933632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.933632][ T7704] netlink_rcv_skb+0x130/0x360 [ 4859.933632][ T7704] netlink_unicast+0x449/0x710 [ 4859.933632][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4859.933632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4859.933632][ T7704] ___sys_sendmsg+0xee/0x170 [ 4859.933632][ T7704] __sys_sendmsg+0xcd/0x170 [ 4859.933632][ T7704] do_syscall_64+0xc6/0x1e0 [ 4859.933632][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.933632][ T7704] [ 4870.180821][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4870.181291][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4870.181291][ T7704] netdev_get_by_index+0x5e/0x80 [ 4870.181291][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4870.181291][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4870.181291][ T7704] ip6_route_add+0x1c/0x140 [ 4870.181291][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4870.181291][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4870.181291][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4870.181291][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4870.181291][ T7704] netlink_rcv_skb+0x130/0x360 [ 4870.181291][ T7704] netlink_unicast+0x449/0x710 [ 4870.181291][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4870.181291][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4870.181291][ T7704] ___sys_sendmsg+0xee/0x170 [ 4870.181291][ T7704] __sys_sendmsg+0xcd/0x170 [ 4870.181291][ T7704] do_syscall_64+0xc6/0x1e0 [ 4870.181291][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4870.181291][ T7704] [ 4870.183523][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4870.183523][ T7704] netdev_get_by_index+0x5e/0x80 [ 4870.183523][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4870.183523][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4870.183523][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4870.183523][ T7704] ipv6_add_addr+0x411/0x2000 [ 4870.183523][ T7704] inet6_addr_add+0x30e/0xa40 [ 4870.183523][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4870.183523][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4870.183523][ T7704] netlink_rcv_skb+0x130/0x360 [ 4870.183523][ T7704] netlink_unicast+0x449/0x710 [ 4870.183523][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4870.183523][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4870.183523][ T7704] ___sys_sendmsg+0xee/0x170 [ 4870.183523][ T7704] __sys_sendmsg+0xcd/0x170 [ 4870.183523][ T7704] do_syscall_64+0xc6/0x1e0 [ 4870.183523][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4870.183523][ T7704] [ 4870.185734][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4870.185734][ T7704] netdev_get_by_index+0x5e/0x80 [ 4870.185734][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4870.185734][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4870.185734][ T7704] ip6_route_add+0x1c/0x140 [ 4870.185734][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4870.185734][ T7704] addrconf_add_dev+0xe2/0x170 [ 4870.185734][ T7704] inet6_addr_add+0x12f/0xa40 [ 4870.185734][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4870.185734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4870.185734][ T7704] netlink_rcv_skb+0x130/0x360 [ 4870.185734][ T7704] netlink_unicast+0x449/0x710 [ 4870.185734][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4870.185734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4870.185734][ T7704] ___sys_sendmsg+0xee/0x170 [ 4870.185734][ T7704] __sys_sendmsg+0xcd/0x170 [ 4870.185734][ T7704] do_syscall_64+0xc6/0x1e0 [ 4870.185734][ T7704] [ 4870.187913][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4870.187913][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4870.187913][ T7704] ipv6_find_idev+0x102/0x170 [ 4870.187913][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4870.187913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4870.187913][ T7704] netlink_rcv_skb+0x130/0x360 [ 4870.187913][ T7704] netlink_unicast+0x449/0x710 [ 4870.187913][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4870.187913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4870.187913][ T7704] ___sys_sendmsg+0xee/0x170 [ 4870.187913][ T7704] __sys_sendmsg+0xcd/0x170 [ 4870.187913][ T7704] do_syscall_64+0xc6/0x1e0 [ 4870.187913][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4870.187913][ T7704] [ 4870.189609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4870.189609][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4870.189609][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4870.189609][ T7704] ipv6_find_idev+0x102/0x170 [ 4870.189609][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4870.189609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4870.189609][ T7704] netlink_rcv_skb+0x130/0x360 [ 4870.189609][ T7704] netlink_unicast+0x449/0x710 [ 4870.189609][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4870.189609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4870.189609][ T7704] ___sys_sendmsg+0xee/0x170 [ 4870.189609][ T7704] __sys_sendmsg+0xcd/0x170 [ 4870.189609][ T7704] do_syscall_64+0xc6/0x1e0 [ 4870.189609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4870.189609][ T7704] [ 4880.436817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4880.437303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4880.437303][ T7704] netdev_get_by_index+0x5e/0x80 [ 4880.437303][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4880.437303][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4880.437303][ T7704] ip6_route_add+0x1c/0x140 [ 4880.437303][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4880.437303][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4880.437303][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4880.437303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.437303][ T7704] netlink_rcv_skb+0x130/0x360 [ 4880.437303][ T7704] netlink_unicast+0x449/0x710 [ 4880.437303][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4880.437303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4880.437303][ T7704] ___sys_sendmsg+0xee/0x170 [ 4880.437303][ T7704] __sys_sendmsg+0xcd/0x170 [ 4880.437303][ T7704] do_syscall_64+0xc6/0x1e0 [ 4880.437303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.437303][ T7704] [ 4880.439530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4880.439530][ T7704] netdev_get_by_index+0x5e/0x80 [ 4880.439530][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4880.439530][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4880.439530][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4880.439530][ T7704] ipv6_add_addr+0x411/0x2000 [ 4880.439530][ T7704] inet6_addr_add+0x30e/0xa40 [ 4880.439530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4880.439530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.439530][ T7704] netlink_rcv_skb+0x130/0x360 [ 4880.439530][ T7704] netlink_unicast+0x449/0x710 [ 4880.439530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4880.439530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4880.439530][ T7704] ___sys_sendmsg+0xee/0x170 [ 4880.439530][ T7704] __sys_sendmsg+0xcd/0x170 [ 4880.439530][ T7704] do_syscall_64+0xc6/0x1e0 [ 4880.439530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.439530][ T7704] [ 4880.441742][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4880.441742][ T7704] netdev_get_by_index+0x5e/0x80 [ 4880.441742][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4880.441742][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4880.441742][ T7704] ip6_route_add+0x1c/0x140 [ 4880.441742][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4880.441742][ T7704] addrconf_add_dev+0xe2/0x170 [ 4880.441742][ T7704] inet6_addr_add+0x12f/0xa40 [ 4880.441742][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4880.441742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.441742][ T7704] netlink_rcv_skb+0x130/0x360 [ 4880.441742][ T7704] netlink_unicast+0x449/0x710 [ 4880.441742][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4880.441742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4880.441742][ T7704] ___sys_sendmsg+0xee/0x170 [ 4880.441742][ T7704] __sys_sendmsg+0xcd/0x170 [ 4880.441742][ T7704] do_syscall_64+0xc6/0x1e0 [ 4880.441742][ T7704] [ 4880.443908][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4880.443908][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4880.443908][ T7704] ipv6_find_idev+0x102/0x170 [ 4880.443908][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4880.443908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.443908][ T7704] netlink_rcv_skb+0x130/0x360 [ 4880.443908][ T7704] netlink_unicast+0x449/0x710 [ 4880.443908][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4880.443908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4880.443908][ T7704] ___sys_sendmsg+0xee/0x170 [ 4880.443908][ T7704] __sys_sendmsg+0xcd/0x170 [ 4880.443908][ T7704] do_syscall_64+0xc6/0x1e0 [ 4880.443908][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.443908][ T7704] [ 4880.445622][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4880.445622][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4880.445622][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4880.445622][ T7704] ipv6_find_idev+0x102/0x170 [ 4880.445622][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4880.445622][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.445622][ T7704] netlink_rcv_skb+0x130/0x360 [ 4880.445622][ T7704] netlink_unicast+0x449/0x710 [ 4880.445622][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4880.445622][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4880.445622][ T7704] ___sys_sendmsg+0xee/0x170 [ 4880.445622][ T7704] __sys_sendmsg+0xcd/0x170 [ 4880.445622][ T7704] do_syscall_64+0xc6/0x1e0 [ 4880.445622][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.445622][ T7704] [ 4890.692728][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4890.693197][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4890.693197][ T7704] netdev_get_by_index+0x5e/0x80 [ 4890.693197][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4890.693197][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4890.693197][ T7704] ip6_route_add+0x1c/0x140 [ 4890.693197][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4890.693197][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4890.693197][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4890.693197][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.693197][ T7704] netlink_rcv_skb+0x130/0x360 [ 4890.693197][ T7704] netlink_unicast+0x449/0x710 [ 4890.693197][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4890.693197][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4890.693197][ T7704] ___sys_sendmsg+0xee/0x170 [ 4890.693197][ T7704] __sys_sendmsg+0xcd/0x170 [ 4890.693197][ T7704] do_syscall_64+0xc6/0x1e0 [ 4890.693197][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.693197][ T7704] [ 4890.695439][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4890.695439][ T7704] netdev_get_by_index+0x5e/0x80 [ 4890.695439][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4890.695439][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4890.695439][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4890.695439][ T7704] ipv6_add_addr+0x411/0x2000 [ 4890.695439][ T7704] inet6_addr_add+0x30e/0xa40 [ 4890.695439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4890.695439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.695439][ T7704] netlink_rcv_skb+0x130/0x360 [ 4890.695439][ T7704] netlink_unicast+0x449/0x710 [ 4890.695439][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4890.695439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4890.695439][ T7704] ___sys_sendmsg+0xee/0x170 [ 4890.695439][ T7704] __sys_sendmsg+0xcd/0x170 [ 4890.695439][ T7704] do_syscall_64+0xc6/0x1e0 [ 4890.695439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.695439][ T7704] [ 4890.697655][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4890.697655][ T7704] netdev_get_by_index+0x5e/0x80 [ 4890.697655][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4890.697655][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4890.697655][ T7704] ip6_route_add+0x1c/0x140 [ 4890.697655][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4890.697655][ T7704] addrconf_add_dev+0xe2/0x170 [ 4890.697655][ T7704] inet6_addr_add+0x12f/0xa40 [ 4890.697655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4890.697655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.697655][ T7704] netlink_rcv_skb+0x130/0x360 [ 4890.697655][ T7704] netlink_unicast+0x449/0x710 [ 4890.697655][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4890.697655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4890.697655][ T7704] ___sys_sendmsg+0xee/0x170 [ 4890.697655][ T7704] __sys_sendmsg+0xcd/0x170 [ 4890.697655][ T7704] do_syscall_64+0xc6/0x1e0 [ 4890.697655][ T7704] [ 4890.699832][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4890.699832][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4890.699832][ T7704] ipv6_find_idev+0x102/0x170 [ 4890.699832][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4890.699832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.699832][ T7704] netlink_rcv_skb+0x130/0x360 [ 4890.699832][ T7704] netlink_unicast+0x449/0x710 [ 4890.699832][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4890.699832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4890.699832][ T7704] ___sys_sendmsg+0xee/0x170 [ 4890.699832][ T7704] __sys_sendmsg+0xcd/0x170 [ 4890.699832][ T7704] do_syscall_64+0xc6/0x1e0 [ 4890.699832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.699832][ T7704] [ 4890.701529][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4890.701529][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4890.701529][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4890.701529][ T7704] ipv6_find_idev+0x102/0x170 [ 4890.701529][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4890.701529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.701529][ T7704] netlink_rcv_skb+0x130/0x360 [ 4890.701529][ T7704] netlink_unicast+0x449/0x710 [ 4890.701529][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4890.701529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4890.701529][ T7704] ___sys_sendmsg+0xee/0x170 [ 4890.701529][ T7704] __sys_sendmsg+0xcd/0x170 [ 4890.701529][ T7704] do_syscall_64+0xc6/0x1e0 [ 4890.701529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.701529][ T7704] [ 4900.844797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4900.845268][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4900.845268][ T7704] netdev_get_by_index+0x5e/0x80 [ 4900.845268][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4900.845268][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4900.845268][ T7704] ip6_route_add+0x1c/0x140 [ 4900.845268][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4900.845268][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4900.845268][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.845268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.845268][ T7704] netlink_rcv_skb+0x130/0x360 [ 4900.845268][ T7704] netlink_unicast+0x449/0x710 [ 4900.845268][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4900.845268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4900.845268][ T7704] ___sys_sendmsg+0xee/0x170 [ 4900.845268][ T7704] __sys_sendmsg+0xcd/0x170 [ 4900.845268][ T7704] do_syscall_64+0xc6/0x1e0 [ 4900.845268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.845268][ T7704] [ 4900.847504][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4900.847504][ T7704] netdev_get_by_index+0x5e/0x80 [ 4900.847504][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4900.847504][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4900.847504][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4900.847504][ T7704] ipv6_add_addr+0x411/0x2000 [ 4900.847504][ T7704] inet6_addr_add+0x30e/0xa40 [ 4900.847504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.847504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.847504][ T7704] netlink_rcv_skb+0x130/0x360 [ 4900.847504][ T7704] netlink_unicast+0x449/0x710 [ 4900.847504][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4900.847504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4900.847504][ T7704] ___sys_sendmsg+0xee/0x170 [ 4900.847504][ T7704] __sys_sendmsg+0xcd/0x170 [ 4900.847504][ T7704] do_syscall_64+0xc6/0x1e0 [ 4900.847504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.847504][ T7704] [ 4900.849714][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4900.849714][ T7704] netdev_get_by_index+0x5e/0x80 [ 4900.849714][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4900.849714][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4900.849714][ T7704] ip6_route_add+0x1c/0x140 [ 4900.849714][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4900.849714][ T7704] addrconf_add_dev+0xe2/0x170 [ 4900.849714][ T7704] inet6_addr_add+0x12f/0xa40 [ 4900.849714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.849714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.849714][ T7704] netlink_rcv_skb+0x130/0x360 [ 4900.849714][ T7704] netlink_unicast+0x449/0x710 [ 4900.849714][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4900.849714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4900.849714][ T7704] ___sys_sendmsg+0xee/0x170 [ 4900.849714][ T7704] __sys_sendmsg+0xcd/0x170 [ 4900.849714][ T7704] do_syscall_64+0xc6/0x1e0 [ 4900.849714][ T7704] [ 4900.851893][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4900.851893][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4900.851893][ T7704] ipv6_find_idev+0x102/0x170 [ 4900.851893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.851893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.851893][ T7704] netlink_rcv_skb+0x130/0x360 [ 4900.851893][ T7704] netlink_unicast+0x449/0x710 [ 4900.851893][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4900.851893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4900.851893][ T7704] ___sys_sendmsg+0xee/0x170 [ 4900.851893][ T7704] __sys_sendmsg+0xcd/0x170 [ 4900.851893][ T7704] do_syscall_64+0xc6/0x1e0 [ 4900.851893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.851893][ T7704] [ 4900.853712][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4900.853712][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4900.853712][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4900.853712][ T7704] ipv6_find_idev+0x102/0x170 [ 4900.853712][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.853712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.853712][ T7704] netlink_rcv_skb+0x130/0x360 [ 4900.853712][ T7704] netlink_unicast+0x449/0x710 [ 4900.853712][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4900.853712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4900.853712][ T7704] ___sys_sendmsg+0xee/0x170 [ 4900.853712][ T7704] __sys_sendmsg+0xcd/0x170 [ 4900.853712][ T7704] do_syscall_64+0xc6/0x1e0 [ 4900.853712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.853712][ T7704] [ 4911.036799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4911.037287][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4911.037287][ T7704] netdev_get_by_index+0x5e/0x80 [ 4911.037287][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4911.037287][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4911.037287][ T7704] ip6_route_add+0x1c/0x140 [ 4911.037287][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4911.037287][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4911.037287][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4911.037287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4911.037287][ T7704] netlink_rcv_skb+0x130/0x360 [ 4911.037287][ T7704] netlink_unicast+0x449/0x710 [ 4911.037287][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4911.037287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4911.037287][ T7704] ___sys_sendmsg+0xee/0x170 [ 4911.037287][ T7704] __sys_sendmsg+0xcd/0x170 [ 4911.037287][ T7704] do_syscall_64+0xc6/0x1e0 [ 4911.037287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4911.037287][ T7704] [ 4911.039537][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4911.039537][ T7704] netdev_get_by_index+0x5e/0x80 [ 4911.039537][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4911.039537][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4911.039537][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4911.039537][ T7704] ipv6_add_addr+0x411/0x2000 [ 4911.039537][ T7704] inet6_addr_add+0x30e/0xa40 [ 4911.039537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4911.039537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4911.039537][ T7704] netlink_rcv_skb+0x130/0x360 [ 4911.039537][ T7704] netlink_unicast+0x449/0x710 [ 4911.039537][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4911.039537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4911.039537][ T7704] ___sys_sendmsg+0xee/0x170 [ 4911.039537][ T7704] __sys_sendmsg+0xcd/0x170 [ 4911.039537][ T7704] do_syscall_64+0xc6/0x1e0 [ 4911.039537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4911.039537][ T7704] [ 4911.041742][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4911.041742][ T7704] netdev_get_by_index+0x5e/0x80 [ 4911.041742][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4911.041742][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4911.041742][ T7704] ip6_route_add+0x1c/0x140 [ 4911.041742][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4911.041742][ T7704] addrconf_add_dev+0xe2/0x170 [ 4911.041742][ T7704] inet6_addr_add+0x12f/0xa40 [ 4911.041742][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4911.041742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4911.041742][ T7704] netlink_rcv_skb+0x130/0x360 [ 4911.041742][ T7704] netlink_unicast+0x449/0x710 [ 4911.041742][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4911.041742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4911.041742][ T7704] ___sys_sendmsg+0xee/0x170 [ 4911.041742][ T7704] __sys_sendmsg+0xcd/0x170 [ 4911.041742][ T7704] do_syscall_64+0xc6/0x1e0 [ 4911.041742][ T7704] [ 4911.043914][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4911.043914][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4911.043914][ T7704] ipv6_find_idev+0x102/0x170 [ 4911.043914][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4911.043914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4911.043914][ T7704] netlink_rcv_skb+0x130/0x360 [ 4911.043914][ T7704] netlink_unicast+0x449/0x710 [ 4911.043914][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4911.043914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4911.043914][ T7704] ___sys_sendmsg+0xee/0x170 [ 4911.043914][ T7704] __sys_sendmsg+0xcd/0x170 [ 4911.043914][ T7704] do_syscall_64+0xc6/0x1e0 [ 4911.043914][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4911.043914][ T7704] [ 4911.045611][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4911.045611][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4911.045611][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4911.045611][ T7704] ipv6_find_idev+0x102/0x170 [ 4911.045611][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4911.045611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4911.045611][ T7704] netlink_rcv_skb+0x130/0x360 [ 4911.045611][ T7704] netlink_unicast+0x449/0x710 [ 4911.045611][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4911.045611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4911.045611][ T7704] ___sys_sendmsg+0xee/0x170 [ 4911.045611][ T7704] __sys_sendmsg+0xcd/0x170 [ 4911.045611][ T7704] do_syscall_64+0xc6/0x1e0 [ 4911.045611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4911.045611][ T7704] [ 4921.284796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4921.285272][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4921.285272][ T7704] netdev_get_by_index+0x5e/0x80 [ 4921.285272][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4921.285272][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4921.285272][ T7704] ip6_route_add+0x1c/0x140 [ 4921.285272][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4921.285272][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4921.285272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4921.285272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4921.285272][ T7704] netlink_rcv_skb+0x130/0x360 [ 4921.285272][ T7704] netlink_unicast+0x449/0x710 [ 4921.285272][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4921.285272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4921.285272][ T7704] ___sys_sendmsg+0xee/0x170 [ 4921.285272][ T7704] __sys_sendmsg+0xcd/0x170 [ 4921.285272][ T7704] do_syscall_64+0xc6/0x1e0 [ 4921.285272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4921.285272][ T7704] [ 4921.287502][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4921.287502][ T7704] netdev_get_by_index+0x5e/0x80 [ 4921.287502][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4921.287502][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4921.287502][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4921.287502][ T7704] ipv6_add_addr+0x411/0x2000 [ 4921.287502][ T7704] inet6_addr_add+0x30e/0xa40 [ 4921.287502][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4921.287502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4921.287502][ T7704] netlink_rcv_skb+0x130/0x360 [ 4921.287502][ T7704] netlink_unicast+0x449/0x710 [ 4921.287502][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4921.287502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4921.287502][ T7704] ___sys_sendmsg+0xee/0x170 [ 4921.287502][ T7704] __sys_sendmsg+0xcd/0x170 [ 4921.287502][ T7704] do_syscall_64+0xc6/0x1e0 [ 4921.287502][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4921.287502][ T7704] [ 4921.289706][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4921.289706][ T7704] netdev_get_by_index+0x5e/0x80 [ 4921.289706][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4921.289706][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4921.289706][ T7704] ip6_route_add+0x1c/0x140 [ 4921.289706][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4921.289706][ T7704] addrconf_add_dev+0xe2/0x170 [ 4921.289706][ T7704] inet6_addr_add+0x12f/0xa40 [ 4921.289706][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4921.289706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4921.289706][ T7704] netlink_rcv_skb+0x130/0x360 [ 4921.289706][ T7704] netlink_unicast+0x449/0x710 [ 4921.289706][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4921.289706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4921.289706][ T7704] ___sys_sendmsg+0xee/0x170 [ 4921.289706][ T7704] __sys_sendmsg+0xcd/0x170 [ 4921.289706][ T7704] do_syscall_64+0xc6/0x1e0 [ 4921.289706][ T7704] [ 4921.291866][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4921.291866][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4921.291866][ T7704] ipv6_find_idev+0x102/0x170 [ 4921.291866][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4921.291866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4921.291866][ T7704] netlink_rcv_skb+0x130/0x360 [ 4921.291866][ T7704] netlink_unicast+0x449/0x710 [ 4921.291866][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4921.291866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4921.291866][ T7704] ___sys_sendmsg+0xee/0x170 [ 4921.291866][ T7704] __sys_sendmsg+0xcd/0x170 [ 4921.291866][ T7704] do_syscall_64+0xc6/0x1e0 [ 4921.291866][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4921.291866][ T7704] [ 4921.293559][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4921.293559][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4921.293559][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4921.293559][ T7704] ipv6_find_idev+0x102/0x170 [ 4921.293559][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4921.293559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4921.293559][ T7704] netlink_rcv_skb+0x130/0x360 [ 4921.293559][ T7704] netlink_unicast+0x449/0x710 [ 4921.293559][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4921.293559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4921.293559][ T7704] ___sys_sendmsg+0xee/0x170 [ 4921.293559][ T7704] __sys_sendmsg+0xcd/0x170 [ 4921.293559][ T7704] do_syscall_64+0xc6/0x1e0 [ 4921.293559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4921.293559][ T7704] [ 4931.444828][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4931.445340][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4931.445340][ T7704] netdev_get_by_index+0x5e/0x80 [ 4931.445340][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4931.445340][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4931.445340][ T7704] ip6_route_add+0x1c/0x140 [ 4931.445340][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4931.445340][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4931.445340][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4931.445340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.445340][ T7704] netlink_rcv_skb+0x130/0x360 [ 4931.445340][ T7704] netlink_unicast+0x449/0x710 [ 4931.445340][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4931.445340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4931.445340][ T7704] ___sys_sendmsg+0xee/0x170 [ 4931.445340][ T7704] __sys_sendmsg+0xcd/0x170 [ 4931.445340][ T7704] do_syscall_64+0xc6/0x1e0 [ 4931.445340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.445340][ T7704] [ 4931.447648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4931.447648][ T7704] netdev_get_by_index+0x5e/0x80 [ 4931.447648][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4931.447648][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4931.447648][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4931.447648][ T7704] ipv6_add_addr+0x411/0x2000 [ 4931.447648][ T7704] inet6_addr_add+0x30e/0xa40 [ 4931.447648][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4931.447648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.447648][ T7704] netlink_rcv_skb+0x130/0x360 [ 4931.447648][ T7704] netlink_unicast+0x449/0x710 [ 4931.447648][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4931.447648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4931.447648][ T7704] ___sys_sendmsg+0xee/0x170 [ 4931.447648][ T7704] __sys_sendmsg+0xcd/0x170 [ 4931.447648][ T7704] do_syscall_64+0xc6/0x1e0 [ 4931.447648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.447648][ T7704] [ 4931.450410][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4931.450410][ T7704] netdev_get_by_index+0x5e/0x80 [ 4931.450410][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4931.450410][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4931.450410][ T7704] ip6_route_add+0x1c/0x140 [ 4931.450410][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4931.450410][ T7704] addrconf_add_dev+0xe2/0x170 [ 4931.450410][ T7704] inet6_addr_add+0x12f/0xa40 [ 4931.450410][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4931.450410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.450410][ T7704] netlink_rcv_skb+0x130/0x360 [ 4931.450410][ T7704] netlink_unicast+0x449/0x710 [ 4931.450410][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4931.450410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4931.450410][ T7704] ___sys_sendmsg+0xee/0x170 [ 4931.450410][ T7704] __sys_sendmsg+0xcd/0x170 [ 4931.450410][ T7704] do_syscall_64+0xc6/0x1e0 [ 4931.450410][ T7704] [ 4931.453117][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4931.453117][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4931.453117][ T7704] ipv6_find_idev+0x102/0x170 [ 4931.453117][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4931.453117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.453117][ T7704] netlink_rcv_skb+0x130/0x360 [ 4931.453117][ T7704] netlink_unicast+0x449/0x710 [ 4931.453117][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4931.453117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4931.453117][ T7704] ___sys_sendmsg+0xee/0x170 [ 4931.453117][ T7704] __sys_sendmsg+0xcd/0x170 [ 4931.453117][ T7704] do_syscall_64+0xc6/0x1e0 [ 4931.453117][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.453117][ T7704] [ 4931.455238][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4931.455238][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4931.455238][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4931.455238][ T7704] ipv6_find_idev+0x102/0x170 [ 4931.455238][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4931.455238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.455238][ T7704] netlink_rcv_skb+0x130/0x360 [ 4931.455238][ T7704] netlink_unicast+0x449/0x710 [ 4931.455238][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4931.455238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4931.455238][ T7704] ___sys_sendmsg+0xee/0x170 [ 4931.455238][ T7704] __sys_sendmsg+0xcd/0x170 [ 4931.455238][ T7704] do_syscall_64+0xc6/0x1e0 [ 4931.455238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.455238][ T7704] [ 4941.708760][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4941.709256][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4941.709256][ T7704] netdev_get_by_index+0x5e/0x80 [ 4941.709256][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4941.709256][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4941.709256][ T7704] ip6_route_add+0x1c/0x140 [ 4941.709256][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4941.709256][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4941.709256][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.709256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.709256][ T7704] netlink_rcv_skb+0x130/0x360 [ 4941.709256][ T7704] netlink_unicast+0x449/0x710 [ 4941.709256][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4941.709256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4941.709256][ T7704] ___sys_sendmsg+0xee/0x170 [ 4941.709256][ T7704] __sys_sendmsg+0xcd/0x170 [ 4941.709256][ T7704] do_syscall_64+0xc6/0x1e0 [ 4941.709256][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.709256][ T7704] [ 4941.711485][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4941.711485][ T7704] netdev_get_by_index+0x5e/0x80 [ 4941.711485][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4941.711485][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4941.711485][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4941.711485][ T7704] ipv6_add_addr+0x411/0x2000 [ 4941.711485][ T7704] inet6_addr_add+0x30e/0xa40 [ 4941.711485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.711485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.711485][ T7704] netlink_rcv_skb+0x130/0x360 [ 4941.711485][ T7704] netlink_unicast+0x449/0x710 [ 4941.711485][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4941.711485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4941.711485][ T7704] ___sys_sendmsg+0xee/0x170 [ 4941.711485][ T7704] __sys_sendmsg+0xcd/0x170 [ 4941.711485][ T7704] do_syscall_64+0xc6/0x1e0 [ 4941.711485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.711485][ T7704] [ 4941.713693][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4941.713693][ T7704] netdev_get_by_index+0x5e/0x80 [ 4941.713693][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4941.713693][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4941.713693][ T7704] ip6_route_add+0x1c/0x140 [ 4941.713693][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4941.713693][ T7704] addrconf_add_dev+0xe2/0x170 [ 4941.713693][ T7704] inet6_addr_add+0x12f/0xa40 [ 4941.713693][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.713693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.713693][ T7704] netlink_rcv_skb+0x130/0x360 [ 4941.713693][ T7704] netlink_unicast+0x449/0x710 [ 4941.713693][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4941.713693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4941.713693][ T7704] ___sys_sendmsg+0xee/0x170 [ 4941.713693][ T7704] __sys_sendmsg+0xcd/0x170 [ 4941.713693][ T7704] do_syscall_64+0xc6/0x1e0 [ 4941.713693][ T7704] [ 4941.715867][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4941.715867][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4941.715867][ T7704] ipv6_find_idev+0x102/0x170 [ 4941.715867][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4941.715867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.715867][ T7704] netlink_rcv_skb+0x130/0x360 [ 4941.715867][ T7704] netlink_unicast+0x449/0x710 [ 4941.715867][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4941.715867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4941.715867][ T7704] ___sys_sendmsg+0xee/0x170 [ 4941.715867][ T7704] __sys_sendmsg+0xcd/0x170 [ 4941.715867][ T7704] do_syscall_64+0xc6/0x1e0 [ 4941.715867][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.715867][ T7704] [ 4941.717574][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4941.717574][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4941.717574][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4941.717574][ T7704] ipv6_find_idev+0x102/0x170 [ 4941.717574][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4941.717574][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.717574][ T7704] netlink_rcv_skb+0x130/0x360 [ 4941.717574][ T7704] netlink_unicast+0x449/0x710 [ 4941.717574][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4941.717574][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4941.717574][ T7704] ___sys_sendmsg+0xee/0x170 [ 4941.717574][ T7704] __sys_sendmsg+0xcd/0x170 [ 4941.717574][ T7704] do_syscall_64+0xc6/0x1e0 [ 4941.717574][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.717574][ T7704] [ 4951.868805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4951.869294][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4951.869294][ T7704] netdev_get_by_index+0x5e/0x80 [ 4951.869294][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4951.869294][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4951.869294][ T7704] ip6_route_add+0x1c/0x140 [ 4951.869294][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4951.869294][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4951.869294][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.869294][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.869294][ T7704] netlink_rcv_skb+0x130/0x360 [ 4951.869294][ T7704] netlink_unicast+0x449/0x710 [ 4951.869294][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4951.869294][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4951.869294][ T7704] ___sys_sendmsg+0xee/0x170 [ 4951.869294][ T7704] __sys_sendmsg+0xcd/0x170 [ 4951.869294][ T7704] do_syscall_64+0xc6/0x1e0 [ 4951.869294][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.869294][ T7704] [ 4951.871525][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4951.871525][ T7704] netdev_get_by_index+0x5e/0x80 [ 4951.871525][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4951.871525][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4951.871525][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4951.871525][ T7704] ipv6_add_addr+0x411/0x2000 [ 4951.871525][ T7704] inet6_addr_add+0x30e/0xa40 [ 4951.871525][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.871525][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.871525][ T7704] netlink_rcv_skb+0x130/0x360 [ 4951.871525][ T7704] netlink_unicast+0x449/0x710 [ 4951.871525][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4951.871525][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4951.871525][ T7704] ___sys_sendmsg+0xee/0x170 [ 4951.871525][ T7704] __sys_sendmsg+0xcd/0x170 [ 4951.871525][ T7704] do_syscall_64+0xc6/0x1e0 [ 4951.871525][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.871525][ T7704] [ 4951.873726][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4951.873726][ T7704] netdev_get_by_index+0x5e/0x80 [ 4951.873726][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4951.873726][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4951.873726][ T7704] ip6_route_add+0x1c/0x140 [ 4951.873726][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4951.873726][ T7704] addrconf_add_dev+0xe2/0x170 [ 4951.873726][ T7704] inet6_addr_add+0x12f/0xa40 [ 4951.873726][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.873726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.873726][ T7704] netlink_rcv_skb+0x130/0x360 [ 4951.873726][ T7704] netlink_unicast+0x449/0x710 [ 4951.873726][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4951.873726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4951.873726][ T7704] ___sys_sendmsg+0xee/0x170 [ 4951.873726][ T7704] __sys_sendmsg+0xcd/0x170 [ 4951.873726][ T7704] do_syscall_64+0xc6/0x1e0 [ 4951.873726][ T7704] [ 4951.875897][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4951.875897][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4951.875897][ T7704] ipv6_find_idev+0x102/0x170 [ 4951.875897][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.875897][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.875897][ T7704] netlink_rcv_skb+0x130/0x360 [ 4951.875897][ T7704] netlink_unicast+0x449/0x710 [ 4951.875897][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4951.875897][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4951.875897][ T7704] ___sys_sendmsg+0xee/0x170 [ 4951.875897][ T7704] __sys_sendmsg+0xcd/0x170 [ 4951.875897][ T7704] do_syscall_64+0xc6/0x1e0 [ 4951.875897][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.875897][ T7704] [ 4951.877601][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4951.877601][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4951.877601][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4951.877601][ T7704] ipv6_find_idev+0x102/0x170 [ 4951.877601][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.877601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.877601][ T7704] netlink_rcv_skb+0x130/0x360 [ 4951.877601][ T7704] netlink_unicast+0x449/0x710 [ 4951.877601][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4951.877601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4951.877601][ T7704] ___sys_sendmsg+0xee/0x170 [ 4951.877601][ T7704] __sys_sendmsg+0xcd/0x170 [ 4951.877601][ T7704] do_syscall_64+0xc6/0x1e0 [ 4951.877601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.877601][ T7704] [ 4962.332827][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4962.333296][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4962.333296][ T7704] netdev_get_by_index+0x5e/0x80 [ 4962.333296][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4962.333296][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4962.333296][ T7704] ip6_route_add+0x1c/0x140 [ 4962.333296][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4962.333296][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4962.333296][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4962.333296][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4962.333296][ T7704] netlink_rcv_skb+0x130/0x360 [ 4962.333296][ T7704] netlink_unicast+0x449/0x710 [ 4962.333296][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4962.333296][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4962.333296][ T7704] ___sys_sendmsg+0xee/0x170 [ 4962.333296][ T7704] __sys_sendmsg+0xcd/0x170 [ 4962.333296][ T7704] do_syscall_64+0xc6/0x1e0 [ 4962.333296][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4962.333296][ T7704] [ 4962.335535][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4962.335535][ T7704] netdev_get_by_index+0x5e/0x80 [ 4962.335535][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4962.335535][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4962.335535][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4962.335535][ T7704] ipv6_add_addr+0x411/0x2000 [ 4962.335535][ T7704] inet6_addr_add+0x30e/0xa40 [ 4962.335535][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4962.335535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4962.335535][ T7704] netlink_rcv_skb+0x130/0x360 [ 4962.335535][ T7704] netlink_unicast+0x449/0x710 [ 4962.335535][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4962.335535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4962.335535][ T7704] ___sys_sendmsg+0xee/0x170 [ 4962.335535][ T7704] __sys_sendmsg+0xcd/0x170 [ 4962.335535][ T7704] do_syscall_64+0xc6/0x1e0 [ 4962.335535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4962.335535][ T7704] [ 4962.337883][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4962.337883][ T7704] netdev_get_by_index+0x5e/0x80 [ 4962.337883][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4962.337883][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4962.337883][ T7704] ip6_route_add+0x1c/0x140 [ 4962.337883][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4962.337883][ T7704] addrconf_add_dev+0xe2/0x170 [ 4962.337883][ T7704] inet6_addr_add+0x12f/0xa40 [ 4962.337883][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4962.337883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4962.337883][ T7704] netlink_rcv_skb+0x130/0x360 [ 4962.337883][ T7704] netlink_unicast+0x449/0x710 [ 4962.337883][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4962.337883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4962.337883][ T7704] ___sys_sendmsg+0xee/0x170 [ 4962.337883][ T7704] __sys_sendmsg+0xcd/0x170 [ 4962.337883][ T7704] do_syscall_64+0xc6/0x1e0 [ 4962.337883][ T7704] [ 4962.340071][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4962.340071][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4962.340071][ T7704] ipv6_find_idev+0x102/0x170 [ 4962.340071][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4962.340071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4962.340071][ T7704] netlink_rcv_skb+0x130/0x360 [ 4962.340071][ T7704] netlink_unicast+0x449/0x710 [ 4962.340071][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4962.340071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4962.340071][ T7704] ___sys_sendmsg+0xee/0x170 [ 4962.340071][ T7704] __sys_sendmsg+0xcd/0x170 [ 4962.340071][ T7704] do_syscall_64+0xc6/0x1e0 [ 4962.340071][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4962.340071][ T7704] [ 4962.341769][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4962.341769][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4962.341769][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4962.341769][ T7704] ipv6_find_idev+0x102/0x170 [ 4962.341769][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4962.341769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4962.341769][ T7704] netlink_rcv_skb+0x130/0x360 [ 4962.341769][ T7704] netlink_unicast+0x449/0x710 [ 4962.341769][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4962.341769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4962.341769][ T7704] ___sys_sendmsg+0xee/0x170 [ 4962.341769][ T7704] __sys_sendmsg+0xcd/0x170 [ 4962.341769][ T7704] do_syscall_64+0xc6/0x1e0 [ 4962.341769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4962.341769][ T7704] [ 4972.524803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4972.525266][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4972.525266][ T7704] netdev_get_by_index+0x5e/0x80 [ 4972.525266][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4972.525266][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4972.525266][ T7704] ip6_route_add+0x1c/0x140 [ 4972.525266][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4972.525266][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4972.525266][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4972.525266][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.525266][ T7704] netlink_rcv_skb+0x130/0x360 [ 4972.525266][ T7704] netlink_unicast+0x449/0x710 [ 4972.525266][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4972.525266][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4972.525266][ T7704] ___sys_sendmsg+0xee/0x170 [ 4972.525266][ T7704] __sys_sendmsg+0xcd/0x170 [ 4972.525266][ T7704] do_syscall_64+0xc6/0x1e0 [ 4972.525266][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.525266][ T7704] [ 4972.527530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4972.527530][ T7704] netdev_get_by_index+0x5e/0x80 [ 4972.527530][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4972.527530][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4972.527530][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4972.527530][ T7704] ipv6_add_addr+0x411/0x2000 [ 4972.527530][ T7704] inet6_addr_add+0x30e/0xa40 [ 4972.527530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4972.527530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.527530][ T7704] netlink_rcv_skb+0x130/0x360 [ 4972.527530][ T7704] netlink_unicast+0x449/0x710 [ 4972.527530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4972.527530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4972.527530][ T7704] ___sys_sendmsg+0xee/0x170 [ 4972.527530][ T7704] __sys_sendmsg+0xcd/0x170 [ 4972.527530][ T7704] do_syscall_64+0xc6/0x1e0 [ 4972.527530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.527530][ T7704] [ 4972.530252][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4972.530252][ T7704] netdev_get_by_index+0x5e/0x80 [ 4972.530252][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4972.530252][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4972.530252][ T7704] ip6_route_add+0x1c/0x140 [ 4972.530252][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4972.530252][ T7704] addrconf_add_dev+0xe2/0x170 [ 4972.530252][ T7704] inet6_addr_add+0x12f/0xa40 [ 4972.530252][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4972.530252][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.530252][ T7704] netlink_rcv_skb+0x130/0x360 [ 4972.530252][ T7704] netlink_unicast+0x449/0x710 [ 4972.530252][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4972.530252][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4972.530252][ T7704] ___sys_sendmsg+0xee/0x170 [ 4972.530252][ T7704] __sys_sendmsg+0xcd/0x170 [ 4972.530252][ T7704] do_syscall_64+0xc6/0x1e0 [ 4972.530252][ T7704] [ 4972.532837][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4972.532837][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4972.532837][ T7704] ipv6_find_idev+0x102/0x170 [ 4972.532837][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4972.532837][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.532837][ T7704] netlink_rcv_skb+0x130/0x360 [ 4972.532837][ T7704] netlink_unicast+0x449/0x710 [ 4972.532837][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4972.532837][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4972.532837][ T7704] ___sys_sendmsg+0xee/0x170 [ 4972.532837][ T7704] __sys_sendmsg+0xcd/0x170 [ 4972.532837][ T7704] do_syscall_64+0xc6/0x1e0 [ 4972.532837][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.532837][ T7704] [ 4972.534540][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4972.534540][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4972.534540][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4972.534540][ T7704] ipv6_find_idev+0x102/0x170 [ 4972.534540][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4972.534540][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.534540][ T7704] netlink_rcv_skb+0x130/0x360 [ 4972.534540][ T7704] netlink_unicast+0x449/0x710 [ 4972.534540][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4972.534540][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4972.534540][ T7704] ___sys_sendmsg+0xee/0x170 [ 4972.534540][ T7704] __sys_sendmsg+0xcd/0x170 [ 4972.534540][ T7704] do_syscall_64+0xc6/0x1e0 [ 4972.534540][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.534540][ T7704] [ 4982.652805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4982.653286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4982.653286][ T7704] netdev_get_by_index+0x5e/0x80 [ 4982.653286][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4982.653286][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4982.653286][ T7704] ip6_route_add+0x1c/0x140 [ 4982.653286][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4982.653286][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4982.653286][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4982.653286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.653286][ T7704] netlink_rcv_skb+0x130/0x360 [ 4982.653286][ T7704] netlink_unicast+0x449/0x710 [ 4982.653286][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4982.653286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4982.653286][ T7704] ___sys_sendmsg+0xee/0x170 [ 4982.653286][ T7704] __sys_sendmsg+0xcd/0x170 [ 4982.653286][ T7704] do_syscall_64+0xc6/0x1e0 [ 4982.653286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.653286][ T7704] [ 4982.655510][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4982.655510][ T7704] netdev_get_by_index+0x5e/0x80 [ 4982.655510][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4982.655510][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4982.655510][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4982.655510][ T7704] ipv6_add_addr+0x411/0x2000 [ 4982.655510][ T7704] inet6_addr_add+0x30e/0xa40 [ 4982.655510][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4982.655510][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.655510][ T7704] netlink_rcv_skb+0x130/0x360 [ 4982.655510][ T7704] netlink_unicast+0x449/0x710 [ 4982.655510][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4982.655510][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4982.655510][ T7704] ___sys_sendmsg+0xee/0x170 [ 4982.655510][ T7704] __sys_sendmsg+0xcd/0x170 [ 4982.655510][ T7704] do_syscall_64+0xc6/0x1e0 [ 4982.655510][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.655510][ T7704] [ 4982.657727][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4982.657727][ T7704] netdev_get_by_index+0x5e/0x80 [ 4982.657727][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4982.657727][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4982.657727][ T7704] ip6_route_add+0x1c/0x140 [ 4982.657727][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4982.657727][ T7704] addrconf_add_dev+0xe2/0x170 [ 4982.657727][ T7704] inet6_addr_add+0x12f/0xa40 [ 4982.657727][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4982.657727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.657727][ T7704] netlink_rcv_skb+0x130/0x360 [ 4982.657727][ T7704] netlink_unicast+0x449/0x710 [ 4982.657727][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4982.657727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4982.657727][ T7704] ___sys_sendmsg+0xee/0x170 [ 4982.657727][ T7704] __sys_sendmsg+0xcd/0x170 [ 4982.657727][ T7704] do_syscall_64+0xc6/0x1e0 [ 4982.657727][ T7704] [ 4982.659884][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4982.659884][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4982.659884][ T7704] ipv6_find_idev+0x102/0x170 [ 4982.659884][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4982.659884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.659884][ T7704] netlink_rcv_skb+0x130/0x360 [ 4982.659884][ T7704] netlink_unicast+0x449/0x710 [ 4982.659884][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4982.659884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4982.659884][ T7704] ___sys_sendmsg+0xee/0x170 [ 4982.659884][ T7704] __sys_sendmsg+0xcd/0x170 [ 4982.659884][ T7704] do_syscall_64+0xc6/0x1e0 [ 4982.659884][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.659884][ T7704] [ 4982.661583][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4982.661583][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4982.661583][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4982.661583][ T7704] ipv6_find_idev+0x102/0x170 [ 4982.661583][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4982.661583][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.661583][ T7704] netlink_rcv_skb+0x130/0x360 [ 4982.661583][ T7704] netlink_unicast+0x449/0x710 [ 4982.661583][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4982.661583][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4982.661583][ T7704] ___sys_sendmsg+0xee/0x170 [ 4982.661583][ T7704] __sys_sendmsg+0xcd/0x170 [ 4982.661583][ T7704] do_syscall_64+0xc6/0x1e0 [ 4982.661583][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.661583][ T7704] [ 4992.900826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 4992.901238][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4992.901238][ T7704] netdev_get_by_index+0x5e/0x80 [ 4992.901238][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4992.901238][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4992.901238][ T7704] ip6_route_add+0x1c/0x140 [ 4992.901238][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 4992.901238][ T7704] inet6_addr_add+0x4f8/0xa40 [ 4992.901238][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.901238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.901238][ T7704] netlink_rcv_skb+0x130/0x360 [ 4992.901238][ T7704] netlink_unicast+0x449/0x710 [ 4992.901238][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4992.901238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4992.901238][ T7704] ___sys_sendmsg+0xee/0x170 [ 4992.901238][ T7704] __sys_sendmsg+0xcd/0x170 [ 4992.901238][ T7704] do_syscall_64+0xc6/0x1e0 [ 4992.901238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.901238][ T7704] [ 4992.903456][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4992.903456][ T7704] netdev_get_by_index+0x5e/0x80 [ 4992.903456][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4992.903456][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4992.903456][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 4992.903456][ T7704] ipv6_add_addr+0x411/0x2000 [ 4992.903456][ T7704] inet6_addr_add+0x30e/0xa40 [ 4992.903456][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.903456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.903456][ T7704] netlink_rcv_skb+0x130/0x360 [ 4992.903456][ T7704] netlink_unicast+0x449/0x710 [ 4992.903456][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4992.903456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4992.903456][ T7704] ___sys_sendmsg+0xee/0x170 [ 4992.903456][ T7704] __sys_sendmsg+0xcd/0x170 [ 4992.903456][ T7704] do_syscall_64+0xc6/0x1e0 [ 4992.903456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.903456][ T7704] [ 4992.905655][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4992.905655][ T7704] netdev_get_by_index+0x5e/0x80 [ 4992.905655][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 4992.905655][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 4992.905655][ T7704] ip6_route_add+0x1c/0x140 [ 4992.905655][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 4992.905655][ T7704] addrconf_add_dev+0xe2/0x170 [ 4992.905655][ T7704] inet6_addr_add+0x12f/0xa40 [ 4992.905655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.905655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.905655][ T7704] netlink_rcv_skb+0x130/0x360 [ 4992.905655][ T7704] netlink_unicast+0x449/0x710 [ 4992.905655][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4992.905655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4992.905655][ T7704] ___sys_sendmsg+0xee/0x170 [ 4992.905655][ T7704] __sys_sendmsg+0xcd/0x170 [ 4992.905655][ T7704] do_syscall_64+0xc6/0x1e0 [ 4992.905655][ T7704] [ 4992.907848][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4992.907848][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 4992.907848][ T7704] ipv6_find_idev+0x102/0x170 [ 4992.907848][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.907848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.907848][ T7704] netlink_rcv_skb+0x130/0x360 [ 4992.907848][ T7704] netlink_unicast+0x449/0x710 [ 4992.907848][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4992.907848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4992.907848][ T7704] ___sys_sendmsg+0xee/0x170 [ 4992.907848][ T7704] __sys_sendmsg+0xcd/0x170 [ 4992.907848][ T7704] do_syscall_64+0xc6/0x1e0 [ 4992.907848][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.907848][ T7704] [ 4992.909536][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 4992.909536][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 4992.909536][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 4992.909536][ T7704] ipv6_find_idev+0x102/0x170 [ 4992.909536][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.909536][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.909536][ T7704] netlink_rcv_skb+0x130/0x360 [ 4992.909536][ T7704] netlink_unicast+0x449/0x710 [ 4992.909536][ T7704] netlink_sendmsg+0x723/0xbe0 [ 4992.909536][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 4992.909536][ T7704] ___sys_sendmsg+0xee/0x170 [ 4992.909536][ T7704] __sys_sendmsg+0xcd/0x170 [ 4992.909536][ T7704] do_syscall_64+0xc6/0x1e0 [ 4992.909536][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.909536][ T7704] [ 5003.004796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5003.005209][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5003.005209][ T7704] netdev_get_by_index+0x5e/0x80 [ 5003.005209][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5003.005209][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5003.005209][ T7704] ip6_route_add+0x1c/0x140 [ 5003.005209][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5003.005209][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5003.005209][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5003.005209][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5003.005209][ T7704] netlink_rcv_skb+0x130/0x360 [ 5003.005209][ T7704] netlink_unicast+0x449/0x710 [ 5003.005209][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5003.005209][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5003.005209][ T7704] ___sys_sendmsg+0xee/0x170 [ 5003.005209][ T7704] __sys_sendmsg+0xcd/0x170 [ 5003.005209][ T7704] do_syscall_64+0xc6/0x1e0 [ 5003.005209][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5003.005209][ T7704] [ 5003.007562][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5003.007562][ T7704] netdev_get_by_index+0x5e/0x80 [ 5003.007562][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5003.007562][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5003.007562][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5003.007562][ T7704] ipv6_add_addr+0x411/0x2000 [ 5003.007562][ T7704] inet6_addr_add+0x30e/0xa40 [ 5003.007562][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5003.007562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5003.007562][ T7704] netlink_rcv_skb+0x130/0x360 [ 5003.007562][ T7704] netlink_unicast+0x449/0x710 [ 5003.007562][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5003.007562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5003.007562][ T7704] ___sys_sendmsg+0xee/0x170 [ 5003.007562][ T7704] __sys_sendmsg+0xcd/0x170 [ 5003.007562][ T7704] do_syscall_64+0xc6/0x1e0 [ 5003.007562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5003.007562][ T7704] [ 5003.009763][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5003.009763][ T7704] netdev_get_by_index+0x5e/0x80 [ 5003.009763][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5003.009763][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5003.009763][ T7704] ip6_route_add+0x1c/0x140 [ 5003.009763][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5003.009763][ T7704] addrconf_add_dev+0xe2/0x170 [ 5003.009763][ T7704] inet6_addr_add+0x12f/0xa40 [ 5003.009763][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5003.009763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5003.009763][ T7704] netlink_rcv_skb+0x130/0x360 [ 5003.009763][ T7704] netlink_unicast+0x449/0x710 [ 5003.009763][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5003.009763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5003.009763][ T7704] ___sys_sendmsg+0xee/0x170 [ 5003.009763][ T7704] __sys_sendmsg+0xcd/0x170 [ 5003.009763][ T7704] do_syscall_64+0xc6/0x1e0 [ 5003.009763][ T7704] [ 5003.011927][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5003.011927][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5003.011927][ T7704] ipv6_find_idev+0x102/0x170 [ 5003.011927][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5003.011927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5003.011927][ T7704] netlink_rcv_skb+0x130/0x360 [ 5003.011927][ T7704] netlink_unicast+0x449/0x710 [ 5003.011927][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5003.011927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5003.011927][ T7704] ___sys_sendmsg+0xee/0x170 [ 5003.011927][ T7704] __sys_sendmsg+0xcd/0x170 [ 5003.011927][ T7704] do_syscall_64+0xc6/0x1e0 [ 5003.011927][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5003.011927][ T7704] [ 5003.013619][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5003.013619][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5003.013619][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5003.013619][ T7704] ipv6_find_idev+0x102/0x170 [ 5003.013619][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5003.013619][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5003.013619][ T7704] netlink_rcv_skb+0x130/0x360 [ 5003.013619][ T7704] netlink_unicast+0x449/0x710 [ 5003.013619][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5003.013619][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5003.013619][ T7704] ___sys_sendmsg+0xee/0x170 [ 5003.013619][ T7704] __sys_sendmsg+0xcd/0x170 [ 5003.013619][ T7704] do_syscall_64+0xc6/0x1e0 [ 5003.013619][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5003.013619][ T7704] [ 5013.260808][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5013.261265][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5013.261265][ T7704] netdev_get_by_index+0x5e/0x80 [ 5013.261265][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5013.261265][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5013.261265][ T7704] ip6_route_add+0x1c/0x140 [ 5013.261265][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5013.261265][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5013.261265][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5013.261265][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.261265][ T7704] netlink_rcv_skb+0x130/0x360 [ 5013.261265][ T7704] netlink_unicast+0x449/0x710 [ 5013.261265][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5013.261265][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5013.261265][ T7704] ___sys_sendmsg+0xee/0x170 [ 5013.261265][ T7704] __sys_sendmsg+0xcd/0x170 [ 5013.261265][ T7704] do_syscall_64+0xc6/0x1e0 [ 5013.261265][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.261265][ T7704] [ 5013.263489][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5013.263489][ T7704] netdev_get_by_index+0x5e/0x80 [ 5013.263489][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5013.263489][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5013.263489][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5013.263489][ T7704] ipv6_add_addr+0x411/0x2000 [ 5013.263489][ T7704] inet6_addr_add+0x30e/0xa40 [ 5013.263489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5013.263489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.263489][ T7704] netlink_rcv_skb+0x130/0x360 [ 5013.263489][ T7704] netlink_unicast+0x449/0x710 [ 5013.263489][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5013.263489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5013.263489][ T7704] ___sys_sendmsg+0xee/0x170 [ 5013.263489][ T7704] __sys_sendmsg+0xcd/0x170 [ 5013.263489][ T7704] do_syscall_64+0xc6/0x1e0 [ 5013.263489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.263489][ T7704] [ 5013.265797][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5013.265797][ T7704] netdev_get_by_index+0x5e/0x80 [ 5013.265797][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5013.265797][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5013.265797][ T7704] ip6_route_add+0x1c/0x140 [ 5013.265797][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5013.265797][ T7704] addrconf_add_dev+0xe2/0x170 [ 5013.265797][ T7704] inet6_addr_add+0x12f/0xa40 [ 5013.265797][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5013.265797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.265797][ T7704] netlink_rcv_skb+0x130/0x360 [ 5013.265797][ T7704] netlink_unicast+0x449/0x710 [ 5013.265797][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5013.265797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5013.265797][ T7704] ___sys_sendmsg+0xee/0x170 [ 5013.265797][ T7704] __sys_sendmsg+0xcd/0x170 [ 5013.265797][ T7704] do_syscall_64+0xc6/0x1e0 [ 5013.265797][ T7704] [ 5013.267978][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5013.267978][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5013.267978][ T7704] ipv6_find_idev+0x102/0x170 [ 5013.267978][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5013.267978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.267978][ T7704] netlink_rcv_skb+0x130/0x360 [ 5013.267978][ T7704] netlink_unicast+0x449/0x710 [ 5013.267978][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5013.267978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5013.267978][ T7704] ___sys_sendmsg+0xee/0x170 [ 5013.267978][ T7704] __sys_sendmsg+0xcd/0x170 [ 5013.267978][ T7704] do_syscall_64+0xc6/0x1e0 [ 5013.267978][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.267978][ T7704] [ 5013.269672][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5013.269672][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5013.269672][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5013.269672][ T7704] ipv6_find_idev+0x102/0x170 [ 5013.269672][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5013.269672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.269672][ T7704] netlink_rcv_skb+0x130/0x360 [ 5013.269672][ T7704] netlink_unicast+0x449/0x710 [ 5013.269672][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5013.269672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5013.269672][ T7704] ___sys_sendmsg+0xee/0x170 [ 5013.269672][ T7704] __sys_sendmsg+0xcd/0x170 [ 5013.269672][ T7704] do_syscall_64+0xc6/0x1e0 [ 5013.269672][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.269672][ T7704] [ 5023.516745][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5023.517173][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5023.517173][ T7704] netdev_get_by_index+0x5e/0x80 [ 5023.517173][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5023.517173][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5023.517173][ T7704] ip6_route_add+0x1c/0x140 [ 5023.517173][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5023.517173][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5023.517173][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5023.517173][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.517173][ T7704] netlink_rcv_skb+0x130/0x360 [ 5023.517173][ T7704] netlink_unicast+0x449/0x710 [ 5023.517173][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5023.517173][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5023.517173][ T7704] ___sys_sendmsg+0xee/0x170 [ 5023.517173][ T7704] __sys_sendmsg+0xcd/0x170 [ 5023.517173][ T7704] do_syscall_64+0xc6/0x1e0 [ 5023.517173][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.517173][ T7704] [ 5023.519391][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5023.519391][ T7704] netdev_get_by_index+0x5e/0x80 [ 5023.519391][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5023.519391][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5023.519391][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5023.519391][ T7704] ipv6_add_addr+0x411/0x2000 [ 5023.519391][ T7704] inet6_addr_add+0x30e/0xa40 [ 5023.519391][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5023.519391][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.519391][ T7704] netlink_rcv_skb+0x130/0x360 [ 5023.519391][ T7704] netlink_unicast+0x449/0x710 [ 5023.519391][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5023.519391][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5023.519391][ T7704] ___sys_sendmsg+0xee/0x170 [ 5023.519391][ T7704] __sys_sendmsg+0xcd/0x170 [ 5023.519391][ T7704] do_syscall_64+0xc6/0x1e0 [ 5023.519391][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.519391][ T7704] [ 5023.521589][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5023.521589][ T7704] netdev_get_by_index+0x5e/0x80 [ 5023.521589][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5023.521589][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5023.521589][ T7704] ip6_route_add+0x1c/0x140 [ 5023.521589][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5023.521589][ T7704] addrconf_add_dev+0xe2/0x170 [ 5023.521589][ T7704] inet6_addr_add+0x12f/0xa40 [ 5023.521589][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5023.521589][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.521589][ T7704] netlink_rcv_skb+0x130/0x360 [ 5023.521589][ T7704] netlink_unicast+0x449/0x710 [ 5023.521589][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5023.521589][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5023.521589][ T7704] ___sys_sendmsg+0xee/0x170 [ 5023.521589][ T7704] __sys_sendmsg+0xcd/0x170 [ 5023.521589][ T7704] do_syscall_64+0xc6/0x1e0 [ 5023.521589][ T7704] [ 5023.523866][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5023.523866][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5023.523866][ T7704] ipv6_find_idev+0x102/0x170 [ 5023.523866][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5023.523866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.523866][ T7704] netlink_rcv_skb+0x130/0x360 [ 5023.523866][ T7704] netlink_unicast+0x449/0x710 [ 5023.523866][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5023.523866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5023.523866][ T7704] ___sys_sendmsg+0xee/0x170 [ 5023.523866][ T7704] __sys_sendmsg+0xcd/0x170 [ 5023.523866][ T7704] do_syscall_64+0xc6/0x1e0 [ 5023.523866][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.523866][ T7704] [ 5023.525566][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5023.525566][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5023.525566][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5023.525566][ T7704] ipv6_find_idev+0x102/0x170 [ 5023.525566][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5023.525566][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.525566][ T7704] netlink_rcv_skb+0x130/0x360 [ 5023.525566][ T7704] netlink_unicast+0x449/0x710 [ 5023.525566][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5023.525566][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5023.525566][ T7704] ___sys_sendmsg+0xee/0x170 [ 5023.525566][ T7704] __sys_sendmsg+0xcd/0x170 [ 5023.525566][ T7704] do_syscall_64+0xc6/0x1e0 [ 5023.525566][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.525566][ T7704] [ 5033.780731][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5033.781196][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5033.781196][ T7704] netdev_get_by_index+0x5e/0x80 [ 5033.781196][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5033.781196][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5033.781196][ T7704] ip6_route_add+0x1c/0x140 [ 5033.781196][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5033.781196][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5033.781196][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5033.781196][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.781196][ T7704] netlink_rcv_skb+0x130/0x360 [ 5033.781196][ T7704] netlink_unicast+0x449/0x710 [ 5033.781196][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5033.781196][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5033.781196][ T7704] ___sys_sendmsg+0xee/0x170 [ 5033.781196][ T7704] __sys_sendmsg+0xcd/0x170 [ 5033.781196][ T7704] do_syscall_64+0xc6/0x1e0 [ 5033.781196][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.781196][ T7704] [ 5033.783434][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5033.783434][ T7704] netdev_get_by_index+0x5e/0x80 [ 5033.783434][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5033.783434][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5033.783434][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5033.783434][ T7704] ipv6_add_addr+0x411/0x2000 [ 5033.783434][ T7704] inet6_addr_add+0x30e/0xa40 [ 5033.783434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5033.783434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.783434][ T7704] netlink_rcv_skb+0x130/0x360 [ 5033.783434][ T7704] netlink_unicast+0x449/0x710 [ 5033.783434][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5033.783434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5033.783434][ T7704] ___sys_sendmsg+0xee/0x170 [ 5033.783434][ T7704] __sys_sendmsg+0xcd/0x170 [ 5033.783434][ T7704] do_syscall_64+0xc6/0x1e0 [ 5033.783434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.783434][ T7704] [ 5033.785648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5033.785648][ T7704] netdev_get_by_index+0x5e/0x80 [ 5033.785648][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5033.785648][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5033.785648][ T7704] ip6_route_add+0x1c/0x140 [ 5033.785648][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5033.785648][ T7704] addrconf_add_dev+0xe2/0x170 [ 5033.785648][ T7704] inet6_addr_add+0x12f/0xa40 [ 5033.785648][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5033.785648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.785648][ T7704] netlink_rcv_skb+0x130/0x360 [ 5033.785648][ T7704] netlink_unicast+0x449/0x710 [ 5033.785648][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5033.785648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5033.785648][ T7704] ___sys_sendmsg+0xee/0x170 [ 5033.785648][ T7704] __sys_sendmsg+0xcd/0x170 [ 5033.785648][ T7704] do_syscall_64+0xc6/0x1e0 [ 5033.785648][ T7704] [ 5033.787820][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5033.787820][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5033.787820][ T7704] ipv6_find_idev+0x102/0x170 [ 5033.787820][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5033.787820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.787820][ T7704] netlink_rcv_skb+0x130/0x360 [ 5033.787820][ T7704] netlink_unicast+0x449/0x710 [ 5033.787820][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5033.787820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5033.787820][ T7704] ___sys_sendmsg+0xee/0x170 [ 5033.787820][ T7704] __sys_sendmsg+0xcd/0x170 [ 5033.787820][ T7704] do_syscall_64+0xc6/0x1e0 [ 5033.787820][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.787820][ T7704] [ 5033.789528][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5033.789528][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5033.789528][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5033.789528][ T7704] ipv6_find_idev+0x102/0x170 [ 5033.789528][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5033.789528][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.789528][ T7704] netlink_rcv_skb+0x130/0x360 [ 5033.789528][ T7704] netlink_unicast+0x449/0x710 [ 5033.789528][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5033.789528][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5033.789528][ T7704] ___sys_sendmsg+0xee/0x170 [ 5033.789528][ T7704] __sys_sendmsg+0xcd/0x170 [ 5033.789528][ T7704] do_syscall_64+0xc6/0x1e0 [ 5033.789528][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.789528][ T7704] [ 5044.036807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5044.037271][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5044.037271][ T7704] netdev_get_by_index+0x5e/0x80 [ 5044.037271][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5044.037271][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5044.037271][ T7704] ip6_route_add+0x1c/0x140 [ 5044.037271][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5044.037271][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5044.037271][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5044.037271][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.037271][ T7704] netlink_rcv_skb+0x130/0x360 [ 5044.037271][ T7704] netlink_unicast+0x449/0x710 [ 5044.037271][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5044.037271][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5044.037271][ T7704] ___sys_sendmsg+0xee/0x170 [ 5044.037271][ T7704] __sys_sendmsg+0xcd/0x170 [ 5044.037271][ T7704] do_syscall_64+0xc6/0x1e0 [ 5044.037271][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.037271][ T7704] [ 5044.039505][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5044.039505][ T7704] netdev_get_by_index+0x5e/0x80 [ 5044.039505][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5044.039505][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5044.039505][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5044.039505][ T7704] ipv6_add_addr+0x411/0x2000 [ 5044.039505][ T7704] inet6_addr_add+0x30e/0xa40 [ 5044.039505][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5044.039505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.039505][ T7704] netlink_rcv_skb+0x130/0x360 [ 5044.039505][ T7704] netlink_unicast+0x449/0x710 [ 5044.039505][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5044.039505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5044.039505][ T7704] ___sys_sendmsg+0xee/0x170 [ 5044.039505][ T7704] __sys_sendmsg+0xcd/0x170 [ 5044.039505][ T7704] do_syscall_64+0xc6/0x1e0 [ 5044.039505][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.039505][ T7704] [ 5044.041700][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5044.041700][ T7704] netdev_get_by_index+0x5e/0x80 [ 5044.041700][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5044.041700][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5044.041700][ T7704] ip6_route_add+0x1c/0x140 [ 5044.041700][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5044.041700][ T7704] addrconf_add_dev+0xe2/0x170 [ 5044.041700][ T7704] inet6_addr_add+0x12f/0xa40 [ 5044.041700][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5044.041700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.041700][ T7704] netlink_rcv_skb+0x130/0x360 [ 5044.041700][ T7704] netlink_unicast+0x449/0x710 [ 5044.041700][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5044.041700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5044.041700][ T7704] ___sys_sendmsg+0xee/0x170 [ 5044.041700][ T7704] __sys_sendmsg+0xcd/0x170 [ 5044.041700][ T7704] do_syscall_64+0xc6/0x1e0 [ 5044.041700][ T7704] [ 5044.043872][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5044.043872][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5044.043872][ T7704] ipv6_find_idev+0x102/0x170 [ 5044.043872][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5044.043872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.043872][ T7704] netlink_rcv_skb+0x130/0x360 [ 5044.043872][ T7704] netlink_unicast+0x449/0x710 [ 5044.043872][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5044.043872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5044.043872][ T7704] ___sys_sendmsg+0xee/0x170 [ 5044.043872][ T7704] __sys_sendmsg+0xcd/0x170 [ 5044.043872][ T7704] do_syscall_64+0xc6/0x1e0 [ 5044.043872][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.043872][ T7704] [ 5044.045572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5044.045572][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5044.045572][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5044.045572][ T7704] ipv6_find_idev+0x102/0x170 [ 5044.045572][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5044.045572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.045572][ T7704] netlink_rcv_skb+0x130/0x360 [ 5044.045572][ T7704] netlink_unicast+0x449/0x710 [ 5044.045572][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5044.045572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5044.045572][ T7704] ___sys_sendmsg+0xee/0x170 [ 5044.045572][ T7704] __sys_sendmsg+0xcd/0x170 [ 5044.045572][ T7704] do_syscall_64+0xc6/0x1e0 [ 5044.045572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.045572][ T7704] [ 5054.292823][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5054.293308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5054.293308][ T7704] netdev_get_by_index+0x5e/0x80 [ 5054.293308][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5054.293308][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5054.293308][ T7704] ip6_route_add+0x1c/0x140 [ 5054.293308][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5054.293308][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5054.293308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5054.293308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.293308][ T7704] netlink_rcv_skb+0x130/0x360 [ 5054.293308][ T7704] netlink_unicast+0x449/0x710 [ 5054.293308][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5054.293308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5054.293308][ T7704] ___sys_sendmsg+0xee/0x170 [ 5054.293308][ T7704] __sys_sendmsg+0xcd/0x170 [ 5054.293308][ T7704] do_syscall_64+0xc6/0x1e0 [ 5054.293308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.293308][ T7704] [ 5054.295551][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5054.295551][ T7704] netdev_get_by_index+0x5e/0x80 [ 5054.295551][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5054.295551][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5054.295551][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5054.295551][ T7704] ipv6_add_addr+0x411/0x2000 [ 5054.295551][ T7704] inet6_addr_add+0x30e/0xa40 [ 5054.295551][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5054.295551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.295551][ T7704] netlink_rcv_skb+0x130/0x360 [ 5054.295551][ T7704] netlink_unicast+0x449/0x710 [ 5054.295551][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5054.295551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5054.295551][ T7704] ___sys_sendmsg+0xee/0x170 [ 5054.295551][ T7704] __sys_sendmsg+0xcd/0x170 [ 5054.295551][ T7704] do_syscall_64+0xc6/0x1e0 [ 5054.295551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.295551][ T7704] [ 5054.297771][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5054.297771][ T7704] netdev_get_by_index+0x5e/0x80 [ 5054.297771][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5054.297771][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5054.297771][ T7704] ip6_route_add+0x1c/0x140 [ 5054.297771][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5054.297771][ T7704] addrconf_add_dev+0xe2/0x170 [ 5054.297771][ T7704] inet6_addr_add+0x12f/0xa40 [ 5054.297771][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5054.297771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.297771][ T7704] netlink_rcv_skb+0x130/0x360 [ 5054.297771][ T7704] netlink_unicast+0x449/0x710 [ 5054.297771][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5054.297771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5054.297771][ T7704] ___sys_sendmsg+0xee/0x170 [ 5054.297771][ T7704] __sys_sendmsg+0xcd/0x170 [ 5054.297771][ T7704] do_syscall_64+0xc6/0x1e0 [ 5054.297771][ T7704] [ 5054.299934][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5054.299934][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5054.299934][ T7704] ipv6_find_idev+0x102/0x170 [ 5054.299934][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5054.299934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.299934][ T7704] netlink_rcv_skb+0x130/0x360 [ 5054.299934][ T7704] netlink_unicast+0x449/0x710 [ 5054.299934][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5054.299934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5054.299934][ T7704] ___sys_sendmsg+0xee/0x170 [ 5054.299934][ T7704] __sys_sendmsg+0xcd/0x170 [ 5054.299934][ T7704] do_syscall_64+0xc6/0x1e0 [ 5054.299934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.299934][ T7704] [ 5054.301634][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5054.301634][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5054.301634][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5054.301634][ T7704] ipv6_find_idev+0x102/0x170 [ 5054.301634][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5054.301634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.301634][ T7704] netlink_rcv_skb+0x130/0x360 [ 5054.301634][ T7704] netlink_unicast+0x449/0x710 [ 5054.301634][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5054.301634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5054.301634][ T7704] ___sys_sendmsg+0xee/0x170 [ 5054.301634][ T7704] __sys_sendmsg+0xcd/0x170 [ 5054.301634][ T7704] do_syscall_64+0xc6/0x1e0 [ 5054.301634][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.301634][ T7704] [ 5064.540812][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5064.541290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5064.541290][ T7704] netdev_get_by_index+0x5e/0x80 [ 5064.541290][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5064.541290][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5064.541290][ T7704] ip6_route_add+0x1c/0x140 [ 5064.541290][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5064.541290][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5064.541290][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5064.541290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.541290][ T7704] netlink_rcv_skb+0x130/0x360 [ 5064.541290][ T7704] netlink_unicast+0x449/0x710 [ 5064.541290][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5064.541290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5064.541290][ T7704] ___sys_sendmsg+0xee/0x170 [ 5064.541290][ T7704] __sys_sendmsg+0xcd/0x170 [ 5064.541290][ T7704] do_syscall_64+0xc6/0x1e0 [ 5064.541290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.541290][ T7704] [ 5064.543526][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5064.543526][ T7704] netdev_get_by_index+0x5e/0x80 [ 5064.543526][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5064.543526][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5064.543526][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5064.543526][ T7704] ipv6_add_addr+0x411/0x2000 [ 5064.543526][ T7704] inet6_addr_add+0x30e/0xa40 [ 5064.543526][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5064.543526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.543526][ T7704] netlink_rcv_skb+0x130/0x360 [ 5064.543526][ T7704] netlink_unicast+0x449/0x710 [ 5064.543526][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5064.543526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5064.543526][ T7704] ___sys_sendmsg+0xee/0x170 [ 5064.543526][ T7704] __sys_sendmsg+0xcd/0x170 [ 5064.543526][ T7704] do_syscall_64+0xc6/0x1e0 [ 5064.543526][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.543526][ T7704] [ 5064.545843][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5064.545843][ T7704] netdev_get_by_index+0x5e/0x80 [ 5064.545843][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5064.545843][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5064.545843][ T7704] ip6_route_add+0x1c/0x140 [ 5064.545843][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5064.545843][ T7704] addrconf_add_dev+0xe2/0x170 [ 5064.545843][ T7704] inet6_addr_add+0x12f/0xa40 [ 5064.545843][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5064.545843][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.545843][ T7704] netlink_rcv_skb+0x130/0x360 [ 5064.545843][ T7704] netlink_unicast+0x449/0x710 [ 5064.545843][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5064.545843][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5064.545843][ T7704] ___sys_sendmsg+0xee/0x170 [ 5064.545843][ T7704] __sys_sendmsg+0xcd/0x170 [ 5064.545843][ T7704] do_syscall_64+0xc6/0x1e0 [ 5064.545843][ T7704] [ 5064.548028][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5064.548028][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5064.548028][ T7704] ipv6_find_idev+0x102/0x170 [ 5064.548028][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5064.548028][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.548028][ T7704] netlink_rcv_skb+0x130/0x360 [ 5064.548028][ T7704] netlink_unicast+0x449/0x710 [ 5064.548028][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5064.548028][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5064.548028][ T7704] ___sys_sendmsg+0xee/0x170 [ 5064.548028][ T7704] __sys_sendmsg+0xcd/0x170 [ 5064.548028][ T7704] do_syscall_64+0xc6/0x1e0 [ 5064.548028][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.548028][ T7704] [ 5064.549730][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5064.549730][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5064.549730][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5064.549730][ T7704] ipv6_find_idev+0x102/0x170 [ 5064.549730][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5064.549730][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.549730][ T7704] netlink_rcv_skb+0x130/0x360 [ 5064.549730][ T7704] netlink_unicast+0x449/0x710 [ 5064.549730][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5064.549730][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5064.549730][ T7704] ___sys_sendmsg+0xee/0x170 [ 5064.549730][ T7704] __sys_sendmsg+0xcd/0x170 [ 5064.549730][ T7704] do_syscall_64+0xc6/0x1e0 [ 5064.549730][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.549730][ T7704] [ 5074.796807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5074.797284][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5074.797284][ T7704] netdev_get_by_index+0x5e/0x80 [ 5074.797284][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5074.797284][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5074.797284][ T7704] ip6_route_add+0x1c/0x140 [ 5074.797284][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5074.797284][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5074.797284][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5074.797284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.797284][ T7704] netlink_rcv_skb+0x130/0x360 [ 5074.797284][ T7704] netlink_unicast+0x449/0x710 [ 5074.797284][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5074.797284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5074.797284][ T7704] ___sys_sendmsg+0xee/0x170 [ 5074.797284][ T7704] __sys_sendmsg+0xcd/0x170 [ 5074.797284][ T7704] do_syscall_64+0xc6/0x1e0 [ 5074.797284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.797284][ T7704] [ 5074.799560][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5074.799560][ T7704] netdev_get_by_index+0x5e/0x80 [ 5074.799560][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5074.799560][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5074.799560][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5074.799560][ T7704] ipv6_add_addr+0x411/0x2000 [ 5074.799560][ T7704] inet6_addr_add+0x30e/0xa40 [ 5074.799560][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5074.799560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.799560][ T7704] netlink_rcv_skb+0x130/0x360 [ 5074.799560][ T7704] netlink_unicast+0x449/0x710 [ 5074.799560][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5074.799560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5074.799560][ T7704] ___sys_sendmsg+0xee/0x170 [ 5074.799560][ T7704] __sys_sendmsg+0xcd/0x170 [ 5074.799560][ T7704] do_syscall_64+0xc6/0x1e0 [ 5074.799560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.799560][ T7704] [ 5074.801779][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5074.801779][ T7704] netdev_get_by_index+0x5e/0x80 [ 5074.801779][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5074.801779][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5074.801779][ T7704] ip6_route_add+0x1c/0x140 [ 5074.801779][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5074.801779][ T7704] addrconf_add_dev+0xe2/0x170 [ 5074.801779][ T7704] inet6_addr_add+0x12f/0xa40 [ 5074.801779][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5074.801779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.801779][ T7704] netlink_rcv_skb+0x130/0x360 [ 5074.801779][ T7704] netlink_unicast+0x449/0x710 [ 5074.801779][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5074.801779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5074.801779][ T7704] ___sys_sendmsg+0xee/0x170 [ 5074.801779][ T7704] __sys_sendmsg+0xcd/0x170 [ 5074.801779][ T7704] do_syscall_64+0xc6/0x1e0 [ 5074.801779][ T7704] [ 5074.803952][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5074.803952][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5074.803952][ T7704] ipv6_find_idev+0x102/0x170 [ 5074.803952][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5074.803952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.803952][ T7704] netlink_rcv_skb+0x130/0x360 [ 5074.803952][ T7704] netlink_unicast+0x449/0x710 [ 5074.803952][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5074.803952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5074.803952][ T7704] ___sys_sendmsg+0xee/0x170 [ 5074.803952][ T7704] __sys_sendmsg+0xcd/0x170 [ 5074.803952][ T7704] do_syscall_64+0xc6/0x1e0 [ 5074.803952][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.803952][ T7704] [ 5074.805647][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5074.805647][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5074.805647][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5074.805647][ T7704] ipv6_find_idev+0x102/0x170 [ 5074.805647][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5074.805647][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.805647][ T7704] netlink_rcv_skb+0x130/0x360 [ 5074.805647][ T7704] netlink_unicast+0x449/0x710 [ 5074.805647][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5074.805647][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5074.805647][ T7704] ___sys_sendmsg+0xee/0x170 [ 5074.805647][ T7704] __sys_sendmsg+0xcd/0x170 [ 5074.805647][ T7704] do_syscall_64+0xc6/0x1e0 [ 5074.805647][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.805647][ T7704] [ 5085.052819][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5085.053300][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5085.053300][ T7704] netdev_get_by_index+0x5e/0x80 [ 5085.053300][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5085.053300][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5085.053300][ T7704] ip6_route_add+0x1c/0x140 [ 5085.053300][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5085.053300][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5085.053300][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5085.053300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.053300][ T7704] netlink_rcv_skb+0x130/0x360 [ 5085.053300][ T7704] netlink_unicast+0x449/0x710 [ 5085.053300][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5085.053300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5085.053300][ T7704] ___sys_sendmsg+0xee/0x170 [ 5085.053300][ T7704] __sys_sendmsg+0xcd/0x170 [ 5085.053300][ T7704] do_syscall_64+0xc6/0x1e0 [ 5085.053300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.053300][ T7704] [ 5085.055546][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5085.055546][ T7704] netdev_get_by_index+0x5e/0x80 [ 5085.055546][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5085.055546][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5085.055546][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5085.055546][ T7704] ipv6_add_addr+0x411/0x2000 [ 5085.055546][ T7704] inet6_addr_add+0x30e/0xa40 [ 5085.055546][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5085.055546][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.055546][ T7704] netlink_rcv_skb+0x130/0x360 [ 5085.055546][ T7704] netlink_unicast+0x449/0x710 [ 5085.055546][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5085.055546][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5085.055546][ T7704] ___sys_sendmsg+0xee/0x170 [ 5085.055546][ T7704] __sys_sendmsg+0xcd/0x170 [ 5085.055546][ T7704] do_syscall_64+0xc6/0x1e0 [ 5085.055546][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.055546][ T7704] [ 5085.057862][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5085.057862][ T7704] netdev_get_by_index+0x5e/0x80 [ 5085.057862][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5085.057862][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5085.057862][ T7704] ip6_route_add+0x1c/0x140 [ 5085.057862][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5085.057862][ T7704] addrconf_add_dev+0xe2/0x170 [ 5085.057862][ T7704] inet6_addr_add+0x12f/0xa40 [ 5085.057862][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5085.057862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.057862][ T7704] netlink_rcv_skb+0x130/0x360 [ 5085.057862][ T7704] netlink_unicast+0x449/0x710 [ 5085.057862][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5085.057862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5085.057862][ T7704] ___sys_sendmsg+0xee/0x170 [ 5085.057862][ T7704] __sys_sendmsg+0xcd/0x170 [ 5085.057862][ T7704] do_syscall_64+0xc6/0x1e0 [ 5085.057862][ T7704] [ 5085.060027][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5085.060027][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5085.060027][ T7704] ipv6_find_idev+0x102/0x170 [ 5085.060027][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5085.060027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.060027][ T7704] netlink_rcv_skb+0x130/0x360 [ 5085.060027][ T7704] netlink_unicast+0x449/0x710 [ 5085.060027][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5085.060027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5085.060027][ T7704] ___sys_sendmsg+0xee/0x170 [ 5085.060027][ T7704] __sys_sendmsg+0xcd/0x170 [ 5085.060027][ T7704] do_syscall_64+0xc6/0x1e0 [ 5085.060027][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.060027][ T7704] [ 5085.061719][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5085.061719][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5085.061719][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5085.061719][ T7704] ipv6_find_idev+0x102/0x170 [ 5085.061719][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5085.061719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.061719][ T7704] netlink_rcv_skb+0x130/0x360 [ 5085.061719][ T7704] netlink_unicast+0x449/0x710 [ 5085.061719][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5085.061719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5085.061719][ T7704] ___sys_sendmsg+0xee/0x170 [ 5085.061719][ T7704] __sys_sendmsg+0xcd/0x170 [ 5085.061719][ T7704] do_syscall_64+0xc6/0x1e0 [ 5085.061719][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.061719][ T7704] [ 5095.196827][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5095.197301][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5095.197301][ T7704] netdev_get_by_index+0x5e/0x80 [ 5095.197301][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5095.197301][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5095.197301][ T7704] ip6_route_add+0x1c/0x140 [ 5095.197301][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5095.197301][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5095.197301][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5095.197301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.197301][ T7704] netlink_rcv_skb+0x130/0x360 [ 5095.197301][ T7704] netlink_unicast+0x449/0x710 [ 5095.197301][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5095.197301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5095.197301][ T7704] ___sys_sendmsg+0xee/0x170 [ 5095.197301][ T7704] __sys_sendmsg+0xcd/0x170 [ 5095.197301][ T7704] do_syscall_64+0xc6/0x1e0 [ 5095.197301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.197301][ T7704] [ 5095.199539][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5095.199539][ T7704] netdev_get_by_index+0x5e/0x80 [ 5095.199539][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5095.199539][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5095.199539][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5095.199539][ T7704] ipv6_add_addr+0x411/0x2000 [ 5095.199539][ T7704] inet6_addr_add+0x30e/0xa40 [ 5095.199539][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5095.199539][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.199539][ T7704] netlink_rcv_skb+0x130/0x360 [ 5095.199539][ T7704] netlink_unicast+0x449/0x710 [ 5095.199539][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5095.199539][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5095.199539][ T7704] ___sys_sendmsg+0xee/0x170 [ 5095.199539][ T7704] __sys_sendmsg+0xcd/0x170 [ 5095.199539][ T7704] do_syscall_64+0xc6/0x1e0 [ 5095.199539][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.199539][ T7704] [ 5095.201770][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5095.201770][ T7704] netdev_get_by_index+0x5e/0x80 [ 5095.201770][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5095.201770][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5095.201770][ T7704] ip6_route_add+0x1c/0x140 [ 5095.201770][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5095.201770][ T7704] addrconf_add_dev+0xe2/0x170 [ 5095.201770][ T7704] inet6_addr_add+0x12f/0xa40 [ 5095.201770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5095.201770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.201770][ T7704] netlink_rcv_skb+0x130/0x360 [ 5095.201770][ T7704] netlink_unicast+0x449/0x710 [ 5095.201770][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5095.201770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5095.201770][ T7704] ___sys_sendmsg+0xee/0x170 [ 5095.201770][ T7704] __sys_sendmsg+0xcd/0x170 [ 5095.201770][ T7704] do_syscall_64+0xc6/0x1e0 [ 5095.201770][ T7704] [ 5095.203938][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5095.203938][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5095.203938][ T7704] ipv6_find_idev+0x102/0x170 [ 5095.203938][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5095.203938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.203938][ T7704] netlink_rcv_skb+0x130/0x360 [ 5095.203938][ T7704] netlink_unicast+0x449/0x710 [ 5095.203938][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5095.203938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5095.203938][ T7704] ___sys_sendmsg+0xee/0x170 [ 5095.203938][ T7704] __sys_sendmsg+0xcd/0x170 [ 5095.203938][ T7704] do_syscall_64+0xc6/0x1e0 [ 5095.203938][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.203938][ T7704] [ 5095.205637][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5095.205637][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5095.205637][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5095.205637][ T7704] ipv6_find_idev+0x102/0x170 [ 5095.205637][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5095.205637][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.205637][ T7704] netlink_rcv_skb+0x130/0x360 [ 5095.205637][ T7704] netlink_unicast+0x449/0x710 [ 5095.205637][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5095.205637][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5095.205637][ T7704] ___sys_sendmsg+0xee/0x170 [ 5095.205637][ T7704] __sys_sendmsg+0xcd/0x170 [ 5095.205637][ T7704] do_syscall_64+0xc6/0x1e0 [ 5095.205637][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.205637][ T7704] [ 5105.268824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5105.269259][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5105.269259][ T7704] netdev_get_by_index+0x5e/0x80 [ 5105.269259][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5105.269259][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5105.269259][ T7704] ip6_route_add+0x1c/0x140 [ 5105.269259][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5105.269259][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5105.269259][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5105.269259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.269259][ T7704] netlink_rcv_skb+0x130/0x360 [ 5105.269259][ T7704] netlink_unicast+0x449/0x710 [ 5105.269259][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5105.269259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5105.269259][ T7704] ___sys_sendmsg+0xee/0x170 [ 5105.269259][ T7704] __sys_sendmsg+0xcd/0x170 [ 5105.269259][ T7704] do_syscall_64+0xc6/0x1e0 [ 5105.269259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.269259][ T7704] [ 5105.271487][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5105.271487][ T7704] netdev_get_by_index+0x5e/0x80 [ 5105.271487][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5105.271487][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5105.271487][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5105.271487][ T7704] ipv6_add_addr+0x411/0x2000 [ 5105.271487][ T7704] inet6_addr_add+0x30e/0xa40 [ 5105.271487][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5105.271487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.271487][ T7704] netlink_rcv_skb+0x130/0x360 [ 5105.271487][ T7704] netlink_unicast+0x449/0x710 [ 5105.271487][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5105.271487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5105.271487][ T7704] ___sys_sendmsg+0xee/0x170 [ 5105.271487][ T7704] __sys_sendmsg+0xcd/0x170 [ 5105.271487][ T7704] do_syscall_64+0xc6/0x1e0 [ 5105.271487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.271487][ T7704] [ 5105.273685][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5105.273685][ T7704] netdev_get_by_index+0x5e/0x80 [ 5105.273685][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5105.273685][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5105.273685][ T7704] ip6_route_add+0x1c/0x140 [ 5105.273685][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5105.273685][ T7704] addrconf_add_dev+0xe2/0x170 [ 5105.273685][ T7704] inet6_addr_add+0x12f/0xa40 [ 5105.273685][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5105.273685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.273685][ T7704] netlink_rcv_skb+0x130/0x360 [ 5105.273685][ T7704] netlink_unicast+0x449/0x710 [ 5105.273685][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5105.273685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5105.273685][ T7704] ___sys_sendmsg+0xee/0x170 [ 5105.273685][ T7704] __sys_sendmsg+0xcd/0x170 [ 5105.273685][ T7704] do_syscall_64+0xc6/0x1e0 [ 5105.273685][ T7704] [ 5105.275859][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5105.275859][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5105.275859][ T7704] ipv6_find_idev+0x102/0x170 [ 5105.275859][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5105.275859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.275859][ T7704] netlink_rcv_skb+0x130/0x360 [ 5105.275859][ T7704] netlink_unicast+0x449/0x710 [ 5105.275859][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5105.275859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5105.275859][ T7704] ___sys_sendmsg+0xee/0x170 [ 5105.275859][ T7704] __sys_sendmsg+0xcd/0x170 [ 5105.275859][ T7704] do_syscall_64+0xc6/0x1e0 [ 5105.275859][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.275859][ T7704] [ 5105.277582][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5105.277582][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5105.277582][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5105.277582][ T7704] ipv6_find_idev+0x102/0x170 [ 5105.277582][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5105.277582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.277582][ T7704] netlink_rcv_skb+0x130/0x360 [ 5105.277582][ T7704] netlink_unicast+0x449/0x710 [ 5105.277582][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5105.277582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5105.277582][ T7704] ___sys_sendmsg+0xee/0x170 [ 5105.277582][ T7704] __sys_sendmsg+0xcd/0x170 [ 5105.277582][ T7704] do_syscall_64+0xc6/0x1e0 [ 5105.277582][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.277582][ T7704] [ 5115.332844][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5115.333315][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5115.333315][ T7704] netdev_get_by_index+0x5e/0x80 [ 5115.333315][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5115.333315][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5115.333315][ T7704] ip6_route_add+0x1c/0x140 [ 5115.333315][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5115.333315][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5115.333315][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5115.333315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.333315][ T7704] netlink_rcv_skb+0x130/0x360 [ 5115.333315][ T7704] netlink_unicast+0x449/0x710 [ 5115.333315][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5115.333315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5115.333315][ T7704] ___sys_sendmsg+0xee/0x170 [ 5115.333315][ T7704] __sys_sendmsg+0xcd/0x170 [ 5115.333315][ T7704] do_syscall_64+0xc6/0x1e0 [ 5115.333315][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.333315][ T7704] [ 5115.335563][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5115.335563][ T7704] netdev_get_by_index+0x5e/0x80 [ 5115.335563][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5115.335563][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5115.335563][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5115.335563][ T7704] ipv6_add_addr+0x411/0x2000 [ 5115.335563][ T7704] inet6_addr_add+0x30e/0xa40 [ 5115.335563][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5115.335563][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.335563][ T7704] netlink_rcv_skb+0x130/0x360 [ 5115.335563][ T7704] netlink_unicast+0x449/0x710 [ 5115.335563][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5115.335563][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5115.335563][ T7704] ___sys_sendmsg+0xee/0x170 [ 5115.335563][ T7704] __sys_sendmsg+0xcd/0x170 [ 5115.335563][ T7704] do_syscall_64+0xc6/0x1e0 [ 5115.335563][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.335563][ T7704] [ 5115.337794][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5115.337794][ T7704] netdev_get_by_index+0x5e/0x80 [ 5115.337794][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5115.337794][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5115.337794][ T7704] ip6_route_add+0x1c/0x140 [ 5115.337794][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5115.337794][ T7704] addrconf_add_dev+0xe2/0x170 [ 5115.337794][ T7704] inet6_addr_add+0x12f/0xa40 [ 5115.337794][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5115.337794][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.337794][ T7704] netlink_rcv_skb+0x130/0x360 [ 5115.337794][ T7704] netlink_unicast+0x449/0x710 [ 5115.337794][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5115.337794][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5115.337794][ T7704] ___sys_sendmsg+0xee/0x170 [ 5115.337794][ T7704] __sys_sendmsg+0xcd/0x170 [ 5115.337794][ T7704] do_syscall_64+0xc6/0x1e0 [ 5115.337794][ T7704] [ 5115.339968][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5115.339968][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5115.339968][ T7704] ipv6_find_idev+0x102/0x170 [ 5115.339968][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5115.339968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.339968][ T7704] netlink_rcv_skb+0x130/0x360 [ 5115.339968][ T7704] netlink_unicast+0x449/0x710 [ 5115.339968][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5115.339968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5115.339968][ T7704] ___sys_sendmsg+0xee/0x170 [ 5115.339968][ T7704] __sys_sendmsg+0xcd/0x170 [ 5115.339968][ T7704] do_syscall_64+0xc6/0x1e0 [ 5115.339968][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.339968][ T7704] [ 5115.341683][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5115.341683][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5115.341683][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5115.341683][ T7704] ipv6_find_idev+0x102/0x170 [ 5115.341683][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5115.341683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.341683][ T7704] netlink_rcv_skb+0x130/0x360 [ 5115.341683][ T7704] netlink_unicast+0x449/0x710 [ 5115.341683][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5115.341683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5115.341683][ T7704] ___sys_sendmsg+0xee/0x170 [ 5115.341683][ T7704] __sys_sendmsg+0xcd/0x170 [ 5115.341683][ T7704] do_syscall_64+0xc6/0x1e0 [ 5115.341683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.341683][ T7704] [ 5125.588802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5125.589266][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5125.589266][ T7704] netdev_get_by_index+0x5e/0x80 [ 5125.589266][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5125.589266][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5125.589266][ T7704] ip6_route_add+0x1c/0x140 [ 5125.589266][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5125.589266][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5125.589266][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5125.589266][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.589266][ T7704] netlink_rcv_skb+0x130/0x360 [ 5125.589266][ T7704] netlink_unicast+0x449/0x710 [ 5125.589266][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5125.589266][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5125.589266][ T7704] ___sys_sendmsg+0xee/0x170 [ 5125.589266][ T7704] __sys_sendmsg+0xcd/0x170 [ 5125.589266][ T7704] do_syscall_64+0xc6/0x1e0 [ 5125.589266][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.589266][ T7704] [ 5125.591484][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5125.591484][ T7704] netdev_get_by_index+0x5e/0x80 [ 5125.591484][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5125.591484][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5125.591484][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5125.591484][ T7704] ipv6_add_addr+0x411/0x2000 [ 5125.591484][ T7704] inet6_addr_add+0x30e/0xa40 [ 5125.591484][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5125.591484][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.591484][ T7704] netlink_rcv_skb+0x130/0x360 [ 5125.591484][ T7704] netlink_unicast+0x449/0x710 [ 5125.591484][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5125.591484][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5125.591484][ T7704] ___sys_sendmsg+0xee/0x170 [ 5125.591484][ T7704] __sys_sendmsg+0xcd/0x170 [ 5125.591484][ T7704] do_syscall_64+0xc6/0x1e0 [ 5125.591484][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.591484][ T7704] [ 5125.593702][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5125.593702][ T7704] netdev_get_by_index+0x5e/0x80 [ 5125.593702][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5125.593702][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5125.593702][ T7704] ip6_route_add+0x1c/0x140 [ 5125.593702][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5125.593702][ T7704] addrconf_add_dev+0xe2/0x170 [ 5125.593702][ T7704] inet6_addr_add+0x12f/0xa40 [ 5125.593702][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5125.593702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.593702][ T7704] netlink_rcv_skb+0x130/0x360 [ 5125.593702][ T7704] netlink_unicast+0x449/0x710 [ 5125.593702][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5125.593702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5125.593702][ T7704] ___sys_sendmsg+0xee/0x170 [ 5125.593702][ T7704] __sys_sendmsg+0xcd/0x170 [ 5125.593702][ T7704] do_syscall_64+0xc6/0x1e0 [ 5125.593702][ T7704] [ 5125.595873][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5125.595873][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5125.595873][ T7704] ipv6_find_idev+0x102/0x170 [ 5125.595873][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5125.595873][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.595873][ T7704] netlink_rcv_skb+0x130/0x360 [ 5125.595873][ T7704] netlink_unicast+0x449/0x710 [ 5125.595873][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5125.595873][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5125.595873][ T7704] ___sys_sendmsg+0xee/0x170 [ 5125.595873][ T7704] __sys_sendmsg+0xcd/0x170 [ 5125.595873][ T7704] do_syscall_64+0xc6/0x1e0 [ 5125.595873][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.595873][ T7704] [ 5125.597602][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5125.597602][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5125.597602][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5125.597602][ T7704] ipv6_find_idev+0x102/0x170 [ 5125.597602][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5125.597602][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.597602][ T7704] netlink_rcv_skb+0x130/0x360 [ 5125.597602][ T7704] netlink_unicast+0x449/0x710 [ 5125.597602][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5125.597602][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5125.597602][ T7704] ___sys_sendmsg+0xee/0x170 [ 5125.597602][ T7704] __sys_sendmsg+0xcd/0x170 [ 5125.597602][ T7704] do_syscall_64+0xc6/0x1e0 [ 5125.597602][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.597602][ T7704] [ 5135.836737][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5135.837318][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5135.837318][ T7704] netdev_get_by_index+0x5e/0x80 [ 5135.837318][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5135.837318][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5135.837318][ T7704] ip6_route_add+0x1c/0x140 [ 5135.837318][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5135.837318][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5135.837318][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5135.837318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.837318][ T7704] netlink_rcv_skb+0x130/0x360 [ 5135.837318][ T7704] netlink_unicast+0x449/0x710 [ 5135.837318][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5135.837318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5135.837318][ T7704] ___sys_sendmsg+0xee/0x170 [ 5135.837318][ T7704] __sys_sendmsg+0xcd/0x170 [ 5135.837318][ T7704] do_syscall_64+0xc6/0x1e0 [ 5135.837318][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.837318][ T7704] [ 5135.839551][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5135.839551][ T7704] netdev_get_by_index+0x5e/0x80 [ 5135.839551][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5135.839551][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5135.839551][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5135.839551][ T7704] ipv6_add_addr+0x411/0x2000 [ 5135.839551][ T7704] inet6_addr_add+0x30e/0xa40 [ 5135.839551][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5135.839551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.839551][ T7704] netlink_rcv_skb+0x130/0x360 [ 5135.839551][ T7704] netlink_unicast+0x449/0x710 [ 5135.839551][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5135.839551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5135.839551][ T7704] ___sys_sendmsg+0xee/0x170 [ 5135.839551][ T7704] __sys_sendmsg+0xcd/0x170 [ 5135.839551][ T7704] do_syscall_64+0xc6/0x1e0 [ 5135.839551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.839551][ T7704] [ 5135.841763][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5135.841763][ T7704] netdev_get_by_index+0x5e/0x80 [ 5135.841763][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5135.841763][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5135.841763][ T7704] ip6_route_add+0x1c/0x140 [ 5135.841763][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5135.841763][ T7704] addrconf_add_dev+0xe2/0x170 [ 5135.841763][ T7704] inet6_addr_add+0x12f/0xa40 [ 5135.841763][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5135.841763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.841763][ T7704] netlink_rcv_skb+0x130/0x360 [ 5135.841763][ T7704] netlink_unicast+0x449/0x710 [ 5135.841763][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5135.841763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5135.841763][ T7704] ___sys_sendmsg+0xee/0x170 [ 5135.841763][ T7704] __sys_sendmsg+0xcd/0x170 [ 5135.841763][ T7704] do_syscall_64+0xc6/0x1e0 [ 5135.841763][ T7704] [ 5135.843926][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5135.843926][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5135.843926][ T7704] ipv6_find_idev+0x102/0x170 [ 5135.843926][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5135.843926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.843926][ T7704] netlink_rcv_skb+0x130/0x360 [ 5135.843926][ T7704] netlink_unicast+0x449/0x710 [ 5135.843926][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5135.843926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5135.843926][ T7704] ___sys_sendmsg+0xee/0x170 [ 5135.843926][ T7704] __sys_sendmsg+0xcd/0x170 [ 5135.843926][ T7704] do_syscall_64+0xc6/0x1e0 [ 5135.843926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.843926][ T7704] [ 5135.845613][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5135.845613][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5135.845613][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5135.845613][ T7704] ipv6_find_idev+0x102/0x170 [ 5135.845613][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5135.845613][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.845613][ T7704] netlink_rcv_skb+0x130/0x360 [ 5135.845613][ T7704] netlink_unicast+0x449/0x710 [ 5135.845613][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5135.845613][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5135.845613][ T7704] ___sys_sendmsg+0xee/0x170 [ 5135.845613][ T7704] __sys_sendmsg+0xcd/0x170 [ 5135.845613][ T7704] do_syscall_64+0xc6/0x1e0 [ 5135.845613][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.845613][ T7704] [ 5146.084792][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5146.085257][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5146.085257][ T7704] netdev_get_by_index+0x5e/0x80 [ 5146.085257][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5146.085257][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5146.085257][ T7704] ip6_route_add+0x1c/0x140 [ 5146.085257][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5146.085257][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5146.085257][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5146.085257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.085257][ T7704] netlink_rcv_skb+0x130/0x360 [ 5146.085257][ T7704] netlink_unicast+0x449/0x710 [ 5146.085257][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5146.085257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5146.085257][ T7704] ___sys_sendmsg+0xee/0x170 [ 5146.085257][ T7704] __sys_sendmsg+0xcd/0x170 [ 5146.085257][ T7704] do_syscall_64+0xc6/0x1e0 [ 5146.085257][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.085257][ T7704] [ 5146.087500][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5146.087500][ T7704] netdev_get_by_index+0x5e/0x80 [ 5146.087500][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5146.087500][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5146.087500][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5146.087500][ T7704] ipv6_add_addr+0x411/0x2000 [ 5146.087500][ T7704] inet6_addr_add+0x30e/0xa40 [ 5146.087500][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5146.087500][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.087500][ T7704] netlink_rcv_skb+0x130/0x360 [ 5146.087500][ T7704] netlink_unicast+0x449/0x710 [ 5146.087500][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5146.087500][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5146.087500][ T7704] ___sys_sendmsg+0xee/0x170 [ 5146.087500][ T7704] __sys_sendmsg+0xcd/0x170 [ 5146.087500][ T7704] do_syscall_64+0xc6/0x1e0 [ 5146.087500][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.087500][ T7704] [ 5146.090246][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5146.090246][ T7704] netdev_get_by_index+0x5e/0x80 [ 5146.090246][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5146.090246][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5146.090246][ T7704] ip6_route_add+0x1c/0x140 [ 5146.090246][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5146.090246][ T7704] addrconf_add_dev+0xe2/0x170 [ 5146.090246][ T7704] inet6_addr_add+0x12f/0xa40 [ 5146.090246][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5146.090246][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.090246][ T7704] netlink_rcv_skb+0x130/0x360 [ 5146.090246][ T7704] netlink_unicast+0x449/0x710 [ 5146.090246][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5146.090246][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5146.090246][ T7704] ___sys_sendmsg+0xee/0x170 [ 5146.090246][ T7704] __sys_sendmsg+0xcd/0x170 [ 5146.090246][ T7704] do_syscall_64+0xc6/0x1e0 [ 5146.090246][ T7704] [ 5146.092414][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5146.092414][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5146.092414][ T7704] ipv6_find_idev+0x102/0x170 [ 5146.092414][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5146.092414][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.092414][ T7704] netlink_rcv_skb+0x130/0x360 [ 5146.092414][ T7704] netlink_unicast+0x449/0x710 [ 5146.092414][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5146.092414][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5146.092414][ T7704] ___sys_sendmsg+0xee/0x170 [ 5146.092414][ T7704] __sys_sendmsg+0xcd/0x170 [ 5146.092414][ T7704] do_syscall_64+0xc6/0x1e0 [ 5146.092414][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.092414][ T7704] [ 5146.094110][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5146.094110][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5146.094110][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5146.094110][ T7704] ipv6_find_idev+0x102/0x170 [ 5146.094110][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5146.094110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.094110][ T7704] netlink_rcv_skb+0x130/0x360 [ 5146.094110][ T7704] netlink_unicast+0x449/0x710 [ 5146.094110][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5146.094110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5146.094110][ T7704] ___sys_sendmsg+0xee/0x170 [ 5146.094110][ T7704] __sys_sendmsg+0xcd/0x170 [ 5146.094110][ T7704] do_syscall_64+0xc6/0x1e0 [ 5146.094110][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.094110][ T7704] [ 5156.332826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5156.333328][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5156.333328][ T7704] netdev_get_by_index+0x5e/0x80 [ 5156.333328][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5156.333328][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5156.333328][ T7704] ip6_route_add+0x1c/0x140 [ 5156.333328][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5156.333328][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5156.333328][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5156.333328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5156.333328][ T7704] netlink_rcv_skb+0x130/0x360 [ 5156.333328][ T7704] netlink_unicast+0x449/0x710 [ 5156.333328][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5156.333328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5156.333328][ T7704] ___sys_sendmsg+0xee/0x170 [ 5156.333328][ T7704] __sys_sendmsg+0xcd/0x170 [ 5156.333328][ T7704] do_syscall_64+0xc6/0x1e0 [ 5156.333328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5156.333328][ T7704] [ 5156.335679][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5156.335679][ T7704] netdev_get_by_index+0x5e/0x80 [ 5156.335679][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5156.335679][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5156.335679][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5156.335679][ T7704] ipv6_add_addr+0x411/0x2000 [ 5156.335679][ T7704] inet6_addr_add+0x30e/0xa40 [ 5156.335679][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5156.335679][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5156.335679][ T7704] netlink_rcv_skb+0x130/0x360 [ 5156.335679][ T7704] netlink_unicast+0x449/0x710 [ 5156.335679][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5156.335679][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5156.335679][ T7704] ___sys_sendmsg+0xee/0x170 [ 5156.335679][ T7704] __sys_sendmsg+0xcd/0x170 [ 5156.335679][ T7704] do_syscall_64+0xc6/0x1e0 [ 5156.335679][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5156.335679][ T7704] [ 5156.337929][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5156.337929][ T7704] netdev_get_by_index+0x5e/0x80 [ 5156.337929][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5156.337929][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5156.337929][ T7704] ip6_route_add+0x1c/0x140 [ 5156.337929][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5156.337929][ T7704] addrconf_add_dev+0xe2/0x170 [ 5156.337929][ T7704] inet6_addr_add+0x12f/0xa40 [ 5156.337929][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5156.337929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5156.337929][ T7704] netlink_rcv_skb+0x130/0x360 [ 5156.337929][ T7704] netlink_unicast+0x449/0x710 [ 5156.337929][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5156.337929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5156.337929][ T7704] ___sys_sendmsg+0xee/0x170 [ 5156.337929][ T7704] __sys_sendmsg+0xcd/0x170 [ 5156.337929][ T7704] do_syscall_64+0xc6/0x1e0 [ 5156.337929][ T7704] [ 5156.340114][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5156.340114][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5156.340114][ T7704] ipv6_find_idev+0x102/0x170 [ 5156.340114][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5156.340114][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5156.340114][ T7704] netlink_rcv_skb+0x130/0x360 [ 5156.340114][ T7704] netlink_unicast+0x449/0x710 [ 5156.340114][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5156.340114][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5156.340114][ T7704] ___sys_sendmsg+0xee/0x170 [ 5156.340114][ T7704] __sys_sendmsg+0xcd/0x170 [ 5156.340114][ T7704] do_syscall_64+0xc6/0x1e0 [ 5156.340114][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5156.340114][ T7704] [ 5156.341820][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5156.341820][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5156.341820][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5156.341820][ T7704] ipv6_find_idev+0x102/0x170 [ 5156.341820][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5156.341820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5156.341820][ T7704] netlink_rcv_skb+0x130/0x360 [ 5156.341820][ T7704] netlink_unicast+0x449/0x710 [ 5156.341820][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5156.341820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5156.341820][ T7704] ___sys_sendmsg+0xee/0x170 [ 5156.341820][ T7704] __sys_sendmsg+0xcd/0x170 [ 5156.341820][ T7704] do_syscall_64+0xc6/0x1e0 [ 5156.341820][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5156.341820][ T7704] [ 5166.580803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5166.581271][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5166.581271][ T7704] netdev_get_by_index+0x5e/0x80 [ 5166.581271][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5166.581271][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5166.581271][ T7704] ip6_route_add+0x1c/0x140 [ 5166.581271][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5166.581271][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5166.581271][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5166.581271][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5166.581271][ T7704] netlink_rcv_skb+0x130/0x360 [ 5166.581271][ T7704] netlink_unicast+0x449/0x710 [ 5166.581271][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5166.581271][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5166.581271][ T7704] ___sys_sendmsg+0xee/0x170 [ 5166.581271][ T7704] __sys_sendmsg+0xcd/0x170 [ 5166.581271][ T7704] do_syscall_64+0xc6/0x1e0 [ 5166.581271][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5166.581271][ T7704] [ 5166.583502][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5166.583502][ T7704] netdev_get_by_index+0x5e/0x80 [ 5166.583502][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5166.583502][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5166.583502][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5166.583502][ T7704] ipv6_add_addr+0x411/0x2000 [ 5166.583502][ T7704] inet6_addr_add+0x30e/0xa40 [ 5166.583502][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5166.583502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5166.583502][ T7704] netlink_rcv_skb+0x130/0x360 [ 5166.583502][ T7704] netlink_unicast+0x449/0x710 [ 5166.583502][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5166.583502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5166.583502][ T7704] ___sys_sendmsg+0xee/0x170 [ 5166.583502][ T7704] __sys_sendmsg+0xcd/0x170 [ 5166.583502][ T7704] do_syscall_64+0xc6/0x1e0 [ 5166.583502][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5166.583502][ T7704] [ 5166.585712][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5166.585712][ T7704] netdev_get_by_index+0x5e/0x80 [ 5166.585712][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5166.585712][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5166.585712][ T7704] ip6_route_add+0x1c/0x140 [ 5166.585712][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5166.585712][ T7704] addrconf_add_dev+0xe2/0x170 [ 5166.585712][ T7704] inet6_addr_add+0x12f/0xa40 [ 5166.585712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5166.585712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5166.585712][ T7704] netlink_rcv_skb+0x130/0x360 [ 5166.585712][ T7704] netlink_unicast+0x449/0x710 [ 5166.585712][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5166.585712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5166.585712][ T7704] ___sys_sendmsg+0xee/0x170 [ 5166.585712][ T7704] __sys_sendmsg+0xcd/0x170 [ 5166.585712][ T7704] do_syscall_64+0xc6/0x1e0 [ 5166.585712][ T7704] [ 5166.587917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5166.587917][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5166.587917][ T7704] ipv6_find_idev+0x102/0x170 [ 5166.587917][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5166.587917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5166.587917][ T7704] netlink_rcv_skb+0x130/0x360 [ 5166.587917][ T7704] netlink_unicast+0x449/0x710 [ 5166.587917][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5166.587917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5166.587917][ T7704] ___sys_sendmsg+0xee/0x170 [ 5166.587917][ T7704] __sys_sendmsg+0xcd/0x170 [ 5166.587917][ T7704] do_syscall_64+0xc6/0x1e0 [ 5166.587917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5166.587917][ T7704] [ 5166.589618][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5166.589618][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5166.589618][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5166.589618][ T7704] ipv6_find_idev+0x102/0x170 [ 5166.589618][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5166.589618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5166.589618][ T7704] netlink_rcv_skb+0x130/0x360 [ 5166.589618][ T7704] netlink_unicast+0x449/0x710 [ 5166.589618][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5166.589618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5166.589618][ T7704] ___sys_sendmsg+0xee/0x170 [ 5166.589618][ T7704] __sys_sendmsg+0xcd/0x170 [ 5166.589618][ T7704] do_syscall_64+0xc6/0x1e0 [ 5166.589618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5166.589618][ T7704] [ 5176.836740][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5176.837217][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5176.837217][ T7704] netdev_get_by_index+0x5e/0x80 [ 5176.837217][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5176.837217][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5176.837217][ T7704] ip6_route_add+0x1c/0x140 [ 5176.837217][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5176.837217][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5176.837217][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5176.837217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.837217][ T7704] netlink_rcv_skb+0x130/0x360 [ 5176.837217][ T7704] netlink_unicast+0x449/0x710 [ 5176.837217][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5176.837217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5176.837217][ T7704] ___sys_sendmsg+0xee/0x170 [ 5176.837217][ T7704] __sys_sendmsg+0xcd/0x170 [ 5176.837217][ T7704] do_syscall_64+0xc6/0x1e0 [ 5176.837217][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.837217][ T7704] [ 5176.839449][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5176.839449][ T7704] netdev_get_by_index+0x5e/0x80 [ 5176.839449][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5176.839449][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5176.839449][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5176.839449][ T7704] ipv6_add_addr+0x411/0x2000 [ 5176.839449][ T7704] inet6_addr_add+0x30e/0xa40 [ 5176.839449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5176.839449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.839449][ T7704] netlink_rcv_skb+0x130/0x360 [ 5176.839449][ T7704] netlink_unicast+0x449/0x710 [ 5176.839449][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5176.839449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5176.839449][ T7704] ___sys_sendmsg+0xee/0x170 [ 5176.839449][ T7704] __sys_sendmsg+0xcd/0x170 [ 5176.839449][ T7704] do_syscall_64+0xc6/0x1e0 [ 5176.839449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.839449][ T7704] [ 5176.841657][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5176.841657][ T7704] netdev_get_by_index+0x5e/0x80 [ 5176.841657][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5176.841657][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5176.841657][ T7704] ip6_route_add+0x1c/0x140 [ 5176.841657][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5176.841657][ T7704] addrconf_add_dev+0xe2/0x170 [ 5176.841657][ T7704] inet6_addr_add+0x12f/0xa40 [ 5176.841657][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5176.841657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.841657][ T7704] netlink_rcv_skb+0x130/0x360 [ 5176.841657][ T7704] netlink_unicast+0x449/0x710 [ 5176.841657][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5176.841657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5176.841657][ T7704] ___sys_sendmsg+0xee/0x170 [ 5176.841657][ T7704] __sys_sendmsg+0xcd/0x170 [ 5176.841657][ T7704] do_syscall_64+0xc6/0x1e0 [ 5176.841657][ T7704] [ 5176.843836][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5176.843836][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5176.843836][ T7704] ipv6_find_idev+0x102/0x170 [ 5176.843836][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5176.843836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.843836][ T7704] netlink_rcv_skb+0x130/0x360 [ 5176.843836][ T7704] netlink_unicast+0x449/0x710 [ 5176.843836][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5176.843836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5176.843836][ T7704] ___sys_sendmsg+0xee/0x170 [ 5176.843836][ T7704] __sys_sendmsg+0xcd/0x170 [ 5176.843836][ T7704] do_syscall_64+0xc6/0x1e0 [ 5176.843836][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.843836][ T7704] [ 5176.845538][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5176.845538][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5176.845538][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5176.845538][ T7704] ipv6_find_idev+0x102/0x170 [ 5176.845538][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5176.845538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.845538][ T7704] netlink_rcv_skb+0x130/0x360 [ 5176.845538][ T7704] netlink_unicast+0x449/0x710 [ 5176.845538][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5176.845538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5176.845538][ T7704] ___sys_sendmsg+0xee/0x170 [ 5176.845538][ T7704] __sys_sendmsg+0xcd/0x170 [ 5176.845538][ T7704] do_syscall_64+0xc6/0x1e0 [ 5176.845538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.845538][ T7704] [ 5186.940811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5186.941278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5186.941278][ T7704] netdev_get_by_index+0x5e/0x80 [ 5186.941278][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5186.941278][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5186.941278][ T7704] ip6_route_add+0x1c/0x140 [ 5186.941278][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5186.941278][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5186.941278][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5186.941278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.941278][ T7704] netlink_rcv_skb+0x130/0x360 [ 5186.941278][ T7704] netlink_unicast+0x449/0x710 [ 5186.941278][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5186.941278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5186.941278][ T7704] ___sys_sendmsg+0xee/0x170 [ 5186.941278][ T7704] __sys_sendmsg+0xcd/0x170 [ 5186.941278][ T7704] do_syscall_64+0xc6/0x1e0 [ 5186.941278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.941278][ T7704] [ 5186.943509][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5186.943509][ T7704] netdev_get_by_index+0x5e/0x80 [ 5186.943509][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5186.943509][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5186.943509][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5186.943509][ T7704] ipv6_add_addr+0x411/0x2000 [ 5186.943509][ T7704] inet6_addr_add+0x30e/0xa40 [ 5186.943509][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5186.943509][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.943509][ T7704] netlink_rcv_skb+0x130/0x360 [ 5186.943509][ T7704] netlink_unicast+0x449/0x710 [ 5186.943509][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5186.943509][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5186.943509][ T7704] ___sys_sendmsg+0xee/0x170 [ 5186.943509][ T7704] __sys_sendmsg+0xcd/0x170 [ 5186.943509][ T7704] do_syscall_64+0xc6/0x1e0 [ 5186.943509][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.943509][ T7704] [ 5186.945727][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5186.945727][ T7704] netdev_get_by_index+0x5e/0x80 [ 5186.945727][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5186.945727][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5186.945727][ T7704] ip6_route_add+0x1c/0x140 [ 5186.945727][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5186.945727][ T7704] addrconf_add_dev+0xe2/0x170 [ 5186.945727][ T7704] inet6_addr_add+0x12f/0xa40 [ 5186.945727][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5186.945727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.945727][ T7704] netlink_rcv_skb+0x130/0x360 [ 5186.945727][ T7704] netlink_unicast+0x449/0x710 [ 5186.945727][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5186.945727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5186.945727][ T7704] ___sys_sendmsg+0xee/0x170 [ 5186.945727][ T7704] __sys_sendmsg+0xcd/0x170 [ 5186.945727][ T7704] do_syscall_64+0xc6/0x1e0 [ 5186.945727][ T7704] [ 5186.947944][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5186.947944][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5186.947944][ T7704] ipv6_find_idev+0x102/0x170 [ 5186.947944][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5186.947944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.947944][ T7704] netlink_rcv_skb+0x130/0x360 [ 5186.947944][ T7704] netlink_unicast+0x449/0x710 [ 5186.947944][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5186.947944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5186.947944][ T7704] ___sys_sendmsg+0xee/0x170 [ 5186.947944][ T7704] __sys_sendmsg+0xcd/0x170 [ 5186.947944][ T7704] do_syscall_64+0xc6/0x1e0 [ 5186.947944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.947944][ T7704] [ 5186.949641][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5186.949641][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5186.949641][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5186.949641][ T7704] ipv6_find_idev+0x102/0x170 [ 5186.949641][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5186.949641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.949641][ T7704] netlink_rcv_skb+0x130/0x360 [ 5186.949641][ T7704] netlink_unicast+0x449/0x710 [ 5186.949641][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5186.949641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5186.949641][ T7704] ___sys_sendmsg+0xee/0x170 [ 5186.949641][ T7704] __sys_sendmsg+0xcd/0x170 [ 5186.949641][ T7704] do_syscall_64+0xc6/0x1e0 [ 5186.949641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.949641][ T7704] [ 5197.196766][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5197.197267][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5197.197267][ T7704] netdev_get_by_index+0x5e/0x80 [ 5197.197267][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5197.197267][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5197.197267][ T7704] ip6_route_add+0x1c/0x140 [ 5197.197267][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5197.197267][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5197.197267][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5197.197267][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5197.197267][ T7704] netlink_rcv_skb+0x130/0x360 [ 5197.197267][ T7704] netlink_unicast+0x449/0x710 [ 5197.197267][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5197.197267][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5197.197267][ T7704] ___sys_sendmsg+0xee/0x170 [ 5197.197267][ T7704] __sys_sendmsg+0xcd/0x170 [ 5197.197267][ T7704] do_syscall_64+0xc6/0x1e0 [ 5197.197267][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5197.197267][ T7704] [ 5197.199494][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5197.199494][ T7704] netdev_get_by_index+0x5e/0x80 [ 5197.199494][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5197.199494][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5197.199494][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5197.199494][ T7704] ipv6_add_addr+0x411/0x2000 [ 5197.199494][ T7704] inet6_addr_add+0x30e/0xa40 [ 5197.199494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5197.199494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5197.199494][ T7704] netlink_rcv_skb+0x130/0x360 [ 5197.199494][ T7704] netlink_unicast+0x449/0x710 [ 5197.199494][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5197.199494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5197.199494][ T7704] ___sys_sendmsg+0xee/0x170 [ 5197.199494][ T7704] __sys_sendmsg+0xcd/0x170 [ 5197.199494][ T7704] do_syscall_64+0xc6/0x1e0 [ 5197.199494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5197.199494][ T7704] [ 5197.201701][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5197.201701][ T7704] netdev_get_by_index+0x5e/0x80 [ 5197.201701][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5197.201701][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5197.201701][ T7704] ip6_route_add+0x1c/0x140 [ 5197.201701][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5197.201701][ T7704] addrconf_add_dev+0xe2/0x170 [ 5197.201701][ T7704] inet6_addr_add+0x12f/0xa40 [ 5197.201701][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5197.201701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5197.201701][ T7704] netlink_rcv_skb+0x130/0x360 [ 5197.201701][ T7704] netlink_unicast+0x449/0x710 [ 5197.201701][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5197.201701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5197.201701][ T7704] ___sys_sendmsg+0xee/0x170 [ 5197.201701][ T7704] __sys_sendmsg+0xcd/0x170 [ 5197.201701][ T7704] do_syscall_64+0xc6/0x1e0 [ 5197.201701][ T7704] [ 5197.203862][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5197.203862][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5197.203862][ T7704] ipv6_find_idev+0x102/0x170 [ 5197.203862][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5197.203862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5197.203862][ T7704] netlink_rcv_skb+0x130/0x360 [ 5197.203862][ T7704] netlink_unicast+0x449/0x710 [ 5197.203862][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5197.203862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5197.203862][ T7704] ___sys_sendmsg+0xee/0x170 [ 5197.203862][ T7704] __sys_sendmsg+0xcd/0x170 [ 5197.203862][ T7704] do_syscall_64+0xc6/0x1e0 [ 5197.203862][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5197.203862][ T7704] [ 5197.205560][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5197.205560][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5197.205560][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5197.205560][ T7704] ipv6_find_idev+0x102/0x170 [ 5197.205560][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5197.205560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5197.205560][ T7704] netlink_rcv_skb+0x130/0x360 [ 5197.205560][ T7704] netlink_unicast+0x449/0x710 [ 5197.205560][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5197.205560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5197.205560][ T7704] ___sys_sendmsg+0xee/0x170 [ 5197.205560][ T7704] __sys_sendmsg+0xcd/0x170 [ 5197.205560][ T7704] do_syscall_64+0xc6/0x1e0 [ 5197.205560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5197.205560][ T7704] [ 5207.356830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5207.357301][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5207.357301][ T7704] netdev_get_by_index+0x5e/0x80 [ 5207.357301][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5207.357301][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5207.357301][ T7704] ip6_route_add+0x1c/0x140 [ 5207.357301][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5207.357301][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5207.357301][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5207.357301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5207.357301][ T7704] netlink_rcv_skb+0x130/0x360 [ 5207.357301][ T7704] netlink_unicast+0x449/0x710 [ 5207.357301][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5207.357301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5207.357301][ T7704] ___sys_sendmsg+0xee/0x170 [ 5207.357301][ T7704] __sys_sendmsg+0xcd/0x170 [ 5207.357301][ T7704] do_syscall_64+0xc6/0x1e0 [ 5207.357301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5207.357301][ T7704] [ 5207.359529][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5207.359529][ T7704] netdev_get_by_index+0x5e/0x80 [ 5207.359529][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5207.359529][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5207.359529][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5207.359529][ T7704] ipv6_add_addr+0x411/0x2000 [ 5207.359529][ T7704] inet6_addr_add+0x30e/0xa40 [ 5207.359529][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5207.359529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5207.359529][ T7704] netlink_rcv_skb+0x130/0x360 [ 5207.359529][ T7704] netlink_unicast+0x449/0x710 [ 5207.359529][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5207.359529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5207.359529][ T7704] ___sys_sendmsg+0xee/0x170 [ 5207.359529][ T7704] __sys_sendmsg+0xcd/0x170 [ 5207.359529][ T7704] do_syscall_64+0xc6/0x1e0 [ 5207.359529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5207.359529][ T7704] [ 5207.361734][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5207.361734][ T7704] netdev_get_by_index+0x5e/0x80 [ 5207.361734][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5207.361734][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5207.361734][ T7704] ip6_route_add+0x1c/0x140 [ 5207.361734][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5207.361734][ T7704] addrconf_add_dev+0xe2/0x170 [ 5207.361734][ T7704] inet6_addr_add+0x12f/0xa40 [ 5207.361734][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5207.361734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5207.361734][ T7704] netlink_rcv_skb+0x130/0x360 [ 5207.361734][ T7704] netlink_unicast+0x449/0x710 [ 5207.361734][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5207.361734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5207.361734][ T7704] ___sys_sendmsg+0xee/0x170 [ 5207.361734][ T7704] __sys_sendmsg+0xcd/0x170 [ 5207.361734][ T7704] do_syscall_64+0xc6/0x1e0 [ 5207.361734][ T7704] [ 5207.363902][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5207.363902][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5207.363902][ T7704] ipv6_find_idev+0x102/0x170 [ 5207.363902][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5207.363902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5207.363902][ T7704] netlink_rcv_skb+0x130/0x360 [ 5207.363902][ T7704] netlink_unicast+0x449/0x710 [ 5207.363902][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5207.363902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5207.363902][ T7704] ___sys_sendmsg+0xee/0x170 [ 5207.363902][ T7704] __sys_sendmsg+0xcd/0x170 [ 5207.363902][ T7704] do_syscall_64+0xc6/0x1e0 [ 5207.363902][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5207.363902][ T7704] [ 5207.365599][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5207.365599][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5207.365599][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5207.365599][ T7704] ipv6_find_idev+0x102/0x170 [ 5207.365599][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5207.365599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5207.365599][ T7704] netlink_rcv_skb+0x130/0x360 [ 5207.365599][ T7704] netlink_unicast+0x449/0x710 [ 5207.365599][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5207.365599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5207.365599][ T7704] ___sys_sendmsg+0xee/0x170 [ 5207.365599][ T7704] __sys_sendmsg+0xcd/0x170 [ 5207.365599][ T7704] do_syscall_64+0xc6/0x1e0 [ 5207.365599][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5207.365599][ T7704] [ 5217.604824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5217.605286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5217.605286][ T7704] netdev_get_by_index+0x5e/0x80 [ 5217.605286][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5217.605286][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5217.605286][ T7704] ip6_route_add+0x1c/0x140 [ 5217.605286][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5217.605286][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5217.605286][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5217.605286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.605286][ T7704] netlink_rcv_skb+0x130/0x360 [ 5217.605286][ T7704] netlink_unicast+0x449/0x710 [ 5217.605286][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5217.605286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5217.605286][ T7704] ___sys_sendmsg+0xee/0x170 [ 5217.605286][ T7704] __sys_sendmsg+0xcd/0x170 [ 5217.605286][ T7704] do_syscall_64+0xc6/0x1e0 [ 5217.605286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.605286][ T7704] [ 5217.607556][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5217.607556][ T7704] netdev_get_by_index+0x5e/0x80 [ 5217.607556][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5217.607556][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5217.607556][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5217.607556][ T7704] ipv6_add_addr+0x411/0x2000 [ 5217.607556][ T7704] inet6_addr_add+0x30e/0xa40 [ 5217.607556][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5217.607556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.607556][ T7704] netlink_rcv_skb+0x130/0x360 [ 5217.607556][ T7704] netlink_unicast+0x449/0x710 [ 5217.607556][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5217.607556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5217.607556][ T7704] ___sys_sendmsg+0xee/0x170 [ 5217.607556][ T7704] __sys_sendmsg+0xcd/0x170 [ 5217.607556][ T7704] do_syscall_64+0xc6/0x1e0 [ 5217.607556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.607556][ T7704] [ 5217.609759][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5217.609759][ T7704] netdev_get_by_index+0x5e/0x80 [ 5217.609759][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5217.609759][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5217.609759][ T7704] ip6_route_add+0x1c/0x140 [ 5217.609759][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5217.609759][ T7704] addrconf_add_dev+0xe2/0x170 [ 5217.609759][ T7704] inet6_addr_add+0x12f/0xa40 [ 5217.609759][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5217.609759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.609759][ T7704] netlink_rcv_skb+0x130/0x360 [ 5217.609759][ T7704] netlink_unicast+0x449/0x710 [ 5217.609759][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5217.609759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5217.609759][ T7704] ___sys_sendmsg+0xee/0x170 [ 5217.609759][ T7704] __sys_sendmsg+0xcd/0x170 [ 5217.609759][ T7704] do_syscall_64+0xc6/0x1e0 [ 5217.609759][ T7704] [ 5217.611936][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5217.611936][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5217.611936][ T7704] ipv6_find_idev+0x102/0x170 [ 5217.611936][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5217.611936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.611936][ T7704] netlink_rcv_skb+0x130/0x360 [ 5217.611936][ T7704] netlink_unicast+0x449/0x710 [ 5217.611936][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5217.611936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5217.611936][ T7704] ___sys_sendmsg+0xee/0x170 [ 5217.611936][ T7704] __sys_sendmsg+0xcd/0x170 [ 5217.611936][ T7704] do_syscall_64+0xc6/0x1e0 [ 5217.611936][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.611936][ T7704] [ 5217.613633][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5217.613633][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5217.613633][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5217.613633][ T7704] ipv6_find_idev+0x102/0x170 [ 5217.613633][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5217.613633][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.613633][ T7704] netlink_rcv_skb+0x130/0x360 [ 5217.613633][ T7704] netlink_unicast+0x449/0x710 [ 5217.613633][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5217.613633][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5217.613633][ T7704] ___sys_sendmsg+0xee/0x170 [ 5217.613633][ T7704] __sys_sendmsg+0xcd/0x170 [ 5217.613633][ T7704] do_syscall_64+0xc6/0x1e0 [ 5217.613633][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.613633][ T7704] [ 5227.852801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5227.853302][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5227.853302][ T7704] netdev_get_by_index+0x5e/0x80 [ 5227.853302][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5227.853302][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5227.853302][ T7704] ip6_route_add+0x1c/0x140 [ 5227.853302][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5227.853302][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5227.853302][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5227.853302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.853302][ T7704] netlink_rcv_skb+0x130/0x360 [ 5227.853302][ T7704] netlink_unicast+0x449/0x710 [ 5227.853302][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5227.853302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5227.853302][ T7704] ___sys_sendmsg+0xee/0x170 [ 5227.853302][ T7704] __sys_sendmsg+0xcd/0x170 [ 5227.853302][ T7704] do_syscall_64+0xc6/0x1e0 [ 5227.853302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.853302][ T7704] [ 5227.855537][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5227.855537][ T7704] netdev_get_by_index+0x5e/0x80 [ 5227.855537][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5227.855537][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5227.855537][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5227.855537][ T7704] ipv6_add_addr+0x411/0x2000 [ 5227.855537][ T7704] inet6_addr_add+0x30e/0xa40 [ 5227.855537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5227.855537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.855537][ T7704] netlink_rcv_skb+0x130/0x360 [ 5227.855537][ T7704] netlink_unicast+0x449/0x710 [ 5227.855537][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5227.855537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5227.855537][ T7704] ___sys_sendmsg+0xee/0x170 [ 5227.855537][ T7704] __sys_sendmsg+0xcd/0x170 [ 5227.855537][ T7704] do_syscall_64+0xc6/0x1e0 [ 5227.855537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.855537][ T7704] [ 5227.857760][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5227.857760][ T7704] netdev_get_by_index+0x5e/0x80 [ 5227.857760][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5227.857760][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5227.857760][ T7704] ip6_route_add+0x1c/0x140 [ 5227.857760][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5227.857760][ T7704] addrconf_add_dev+0xe2/0x170 [ 5227.857760][ T7704] inet6_addr_add+0x12f/0xa40 [ 5227.857760][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5227.857760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.857760][ T7704] netlink_rcv_skb+0x130/0x360 [ 5227.857760][ T7704] netlink_unicast+0x449/0x710 [ 5227.857760][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5227.857760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5227.857760][ T7704] ___sys_sendmsg+0xee/0x170 [ 5227.857760][ T7704] __sys_sendmsg+0xcd/0x170 [ 5227.857760][ T7704] do_syscall_64+0xc6/0x1e0 [ 5227.857760][ T7704] [ 5227.859936][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5227.859936][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5227.859936][ T7704] ipv6_find_idev+0x102/0x170 [ 5227.859936][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5227.859936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.859936][ T7704] netlink_rcv_skb+0x130/0x360 [ 5227.859936][ T7704] netlink_unicast+0x449/0x710 [ 5227.859936][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5227.859936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5227.859936][ T7704] ___sys_sendmsg+0xee/0x170 [ 5227.859936][ T7704] __sys_sendmsg+0xcd/0x170 [ 5227.859936][ T7704] do_syscall_64+0xc6/0x1e0 [ 5227.859936][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.859936][ T7704] [ 5227.861635][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5227.861635][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5227.861635][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5227.861635][ T7704] ipv6_find_idev+0x102/0x170 [ 5227.861635][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5227.861635][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.861635][ T7704] netlink_rcv_skb+0x130/0x360 [ 5227.861635][ T7704] netlink_unicast+0x449/0x710 [ 5227.861635][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5227.861635][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5227.861635][ T7704] ___sys_sendmsg+0xee/0x170 [ 5227.861635][ T7704] __sys_sendmsg+0xcd/0x170 [ 5227.861635][ T7704] do_syscall_64+0xc6/0x1e0 [ 5227.861635][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.861635][ T7704] [ 5238.100824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5238.101320][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5238.101320][ T7704] netdev_get_by_index+0x5e/0x80 [ 5238.101320][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5238.101320][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5238.101320][ T7704] ip6_route_add+0x1c/0x140 [ 5238.101320][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5238.101320][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5238.101320][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5238.101320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5238.101320][ T7704] netlink_rcv_skb+0x130/0x360 [ 5238.101320][ T7704] netlink_unicast+0x449/0x710 [ 5238.101320][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5238.101320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5238.101320][ T7704] ___sys_sendmsg+0xee/0x170 [ 5238.101320][ T7704] __sys_sendmsg+0xcd/0x170 [ 5238.101320][ T7704] do_syscall_64+0xc6/0x1e0 [ 5238.101320][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5238.101320][ T7704] [ 5238.103572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5238.103572][ T7704] netdev_get_by_index+0x5e/0x80 [ 5238.103572][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5238.103572][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5238.103572][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5238.103572][ T7704] ipv6_add_addr+0x411/0x2000 [ 5238.103572][ T7704] inet6_addr_add+0x30e/0xa40 [ 5238.103572][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5238.103572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5238.103572][ T7704] netlink_rcv_skb+0x130/0x360 [ 5238.103572][ T7704] netlink_unicast+0x449/0x710 [ 5238.103572][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5238.103572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5238.103572][ T7704] ___sys_sendmsg+0xee/0x170 [ 5238.103572][ T7704] __sys_sendmsg+0xcd/0x170 [ 5238.103572][ T7704] do_syscall_64+0xc6/0x1e0 [ 5238.103572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5238.103572][ T7704] [ 5238.105790][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5238.105790][ T7704] netdev_get_by_index+0x5e/0x80 [ 5238.105790][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5238.105790][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5238.105790][ T7704] ip6_route_add+0x1c/0x140 [ 5238.105790][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5238.105790][ T7704] addrconf_add_dev+0xe2/0x170 [ 5238.105790][ T7704] inet6_addr_add+0x12f/0xa40 [ 5238.105790][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5238.105790][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5238.105790][ T7704] netlink_rcv_skb+0x130/0x360 [ 5238.105790][ T7704] netlink_unicast+0x449/0x710 [ 5238.105790][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5238.105790][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5238.105790][ T7704] ___sys_sendmsg+0xee/0x170 [ 5238.105790][ T7704] __sys_sendmsg+0xcd/0x170 [ 5238.105790][ T7704] do_syscall_64+0xc6/0x1e0 [ 5238.105790][ T7704] [ 5238.107988][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5238.107988][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5238.107988][ T7704] ipv6_find_idev+0x102/0x170 [ 5238.107988][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5238.107988][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5238.107988][ T7704] netlink_rcv_skb+0x130/0x360 [ 5238.107988][ T7704] netlink_unicast+0x449/0x710 [ 5238.107988][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5238.107988][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5238.107988][ T7704] ___sys_sendmsg+0xee/0x170 [ 5238.107988][ T7704] __sys_sendmsg+0xcd/0x170 [ 5238.107988][ T7704] do_syscall_64+0xc6/0x1e0 [ 5238.107988][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5238.107988][ T7704] [ 5238.110221][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5238.110221][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5238.110221][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5238.110221][ T7704] ipv6_find_idev+0x102/0x170 [ 5238.110221][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5238.110221][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5238.110221][ T7704] netlink_rcv_skb+0x130/0x360 [ 5238.110221][ T7704] netlink_unicast+0x449/0x710 [ 5238.110221][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5238.110221][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5238.110221][ T7704] ___sys_sendmsg+0xee/0x170 [ 5238.110221][ T7704] __sys_sendmsg+0xcd/0x170 [ 5238.110221][ T7704] do_syscall_64+0xc6/0x1e0 [ 5238.110221][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5238.110221][ T7704] [ 5248.348817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5248.349284][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5248.349284][ T7704] netdev_get_by_index+0x5e/0x80 [ 5248.349284][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5248.349284][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5248.349284][ T7704] ip6_route_add+0x1c/0x140 [ 5248.349284][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5248.349284][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5248.349284][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5248.349284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5248.349284][ T7704] netlink_rcv_skb+0x130/0x360 [ 5248.349284][ T7704] netlink_unicast+0x449/0x710 [ 5248.349284][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5248.349284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5248.349284][ T7704] ___sys_sendmsg+0xee/0x170 [ 5248.349284][ T7704] __sys_sendmsg+0xcd/0x170 [ 5248.349284][ T7704] do_syscall_64+0xc6/0x1e0 [ 5248.349284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5248.349284][ T7704] [ 5248.351507][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5248.351507][ T7704] netdev_get_by_index+0x5e/0x80 [ 5248.351507][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5248.351507][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5248.351507][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5248.351507][ T7704] ipv6_add_addr+0x411/0x2000 [ 5248.351507][ T7704] inet6_addr_add+0x30e/0xa40 [ 5248.351507][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5248.351507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5248.351507][ T7704] netlink_rcv_skb+0x130/0x360 [ 5248.351507][ T7704] netlink_unicast+0x449/0x710 [ 5248.351507][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5248.351507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5248.351507][ T7704] ___sys_sendmsg+0xee/0x170 [ 5248.351507][ T7704] __sys_sendmsg+0xcd/0x170 [ 5248.351507][ T7704] do_syscall_64+0xc6/0x1e0 [ 5248.351507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5248.351507][ T7704] [ 5248.353717][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5248.353717][ T7704] netdev_get_by_index+0x5e/0x80 [ 5248.353717][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5248.353717][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5248.353717][ T7704] ip6_route_add+0x1c/0x140 [ 5248.353717][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5248.353717][ T7704] addrconf_add_dev+0xe2/0x170 [ 5248.353717][ T7704] inet6_addr_add+0x12f/0xa40 [ 5248.353717][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5248.353717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5248.353717][ T7704] netlink_rcv_skb+0x130/0x360 [ 5248.353717][ T7704] netlink_unicast+0x449/0x710 [ 5248.353717][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5248.353717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5248.353717][ T7704] ___sys_sendmsg+0xee/0x170 [ 5248.353717][ T7704] __sys_sendmsg+0xcd/0x170 [ 5248.353717][ T7704] do_syscall_64+0xc6/0x1e0 [ 5248.353717][ T7704] [ 5248.355913][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5248.355913][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5248.355913][ T7704] ipv6_find_idev+0x102/0x170 [ 5248.355913][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5248.355913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5248.355913][ T7704] netlink_rcv_skb+0x130/0x360 [ 5248.355913][ T7704] netlink_unicast+0x449/0x710 [ 5248.355913][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5248.355913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5248.355913][ T7704] ___sys_sendmsg+0xee/0x170 [ 5248.355913][ T7704] __sys_sendmsg+0xcd/0x170 [ 5248.355913][ T7704] do_syscall_64+0xc6/0x1e0 [ 5248.355913][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5248.355913][ T7704] [ 5248.357622][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5248.357622][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5248.357622][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5248.357622][ T7704] ipv6_find_idev+0x102/0x170 [ 5248.357622][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5248.357622][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5248.357622][ T7704] netlink_rcv_skb+0x130/0x360 [ 5248.357622][ T7704] netlink_unicast+0x449/0x710 [ 5248.357622][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5248.357622][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5248.357622][ T7704] ___sys_sendmsg+0xee/0x170 [ 5248.357622][ T7704] __sys_sendmsg+0xcd/0x170 [ 5248.357622][ T7704] do_syscall_64+0xc6/0x1e0 [ 5248.357622][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5248.357622][ T7704] [ 5258.596799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5258.597226][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5258.597226][ T7704] netdev_get_by_index+0x5e/0x80 [ 5258.597226][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5258.597226][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5258.597226][ T7704] ip6_route_add+0x1c/0x140 [ 5258.597226][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5258.597226][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5258.597226][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5258.597226][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.597226][ T7704] netlink_rcv_skb+0x130/0x360 [ 5258.597226][ T7704] netlink_unicast+0x449/0x710 [ 5258.597226][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5258.597226][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5258.597226][ T7704] ___sys_sendmsg+0xee/0x170 [ 5258.597226][ T7704] __sys_sendmsg+0xcd/0x170 [ 5258.597226][ T7704] do_syscall_64+0xc6/0x1e0 [ 5258.597226][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.597226][ T7704] [ 5258.599469][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5258.599469][ T7704] netdev_get_by_index+0x5e/0x80 [ 5258.599469][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5258.599469][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5258.599469][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5258.599469][ T7704] ipv6_add_addr+0x411/0x2000 [ 5258.599469][ T7704] inet6_addr_add+0x30e/0xa40 [ 5258.599469][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5258.599469][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.599469][ T7704] netlink_rcv_skb+0x130/0x360 [ 5258.599469][ T7704] netlink_unicast+0x449/0x710 [ 5258.599469][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5258.599469][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5258.599469][ T7704] ___sys_sendmsg+0xee/0x170 [ 5258.599469][ T7704] __sys_sendmsg+0xcd/0x170 [ 5258.599469][ T7704] do_syscall_64+0xc6/0x1e0 [ 5258.599469][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.599469][ T7704] [ 5258.601684][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5258.601684][ T7704] netdev_get_by_index+0x5e/0x80 [ 5258.601684][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5258.601684][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5258.601684][ T7704] ip6_route_add+0x1c/0x140 [ 5258.601684][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5258.601684][ T7704] addrconf_add_dev+0xe2/0x170 [ 5258.601684][ T7704] inet6_addr_add+0x12f/0xa40 [ 5258.601684][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5258.601684][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.601684][ T7704] netlink_rcv_skb+0x130/0x360 [ 5258.601684][ T7704] netlink_unicast+0x449/0x710 [ 5258.601684][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5258.601684][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5258.601684][ T7704] ___sys_sendmsg+0xee/0x170 [ 5258.601684][ T7704] __sys_sendmsg+0xcd/0x170 [ 5258.601684][ T7704] do_syscall_64+0xc6/0x1e0 [ 5258.601684][ T7704] [ 5258.603851][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5258.603851][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5258.603851][ T7704] ipv6_find_idev+0x102/0x170 [ 5258.603851][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5258.603851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.603851][ T7704] netlink_rcv_skb+0x130/0x360 [ 5258.603851][ T7704] netlink_unicast+0x449/0x710 [ 5258.603851][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5258.603851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5258.603851][ T7704] ___sys_sendmsg+0xee/0x170 [ 5258.603851][ T7704] __sys_sendmsg+0xcd/0x170 [ 5258.603851][ T7704] do_syscall_64+0xc6/0x1e0 [ 5258.603851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.603851][ T7704] [ 5258.605547][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5258.605547][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5258.605547][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5258.605547][ T7704] ipv6_find_idev+0x102/0x170 [ 5258.605547][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5258.605547][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.605547][ T7704] netlink_rcv_skb+0x130/0x360 [ 5258.605547][ T7704] netlink_unicast+0x449/0x710 [ 5258.605547][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5258.605547][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5258.605547][ T7704] ___sys_sendmsg+0xee/0x170 [ 5258.605547][ T7704] __sys_sendmsg+0xcd/0x170 [ 5258.605547][ T7704] do_syscall_64+0xc6/0x1e0 [ 5258.605547][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.605547][ T7704] [ 5268.684819][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5268.685312][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5268.685312][ T7704] netdev_get_by_index+0x5e/0x80 [ 5268.685312][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5268.685312][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5268.685312][ T7704] ip6_route_add+0x1c/0x140 [ 5268.685312][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5268.685312][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5268.685312][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5268.685312][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.685312][ T7704] netlink_rcv_skb+0x130/0x360 [ 5268.685312][ T7704] netlink_unicast+0x449/0x710 [ 5268.685312][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5268.685312][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5268.685312][ T7704] ___sys_sendmsg+0xee/0x170 [ 5268.685312][ T7704] __sys_sendmsg+0xcd/0x170 [ 5268.685312][ T7704] do_syscall_64+0xc6/0x1e0 [ 5268.685312][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.685312][ T7704] [ 5268.687573][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5268.687573][ T7704] netdev_get_by_index+0x5e/0x80 [ 5268.687573][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5268.687573][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5268.687573][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5268.687573][ T7704] ipv6_add_addr+0x411/0x2000 [ 5268.687573][ T7704] inet6_addr_add+0x30e/0xa40 [ 5268.687573][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5268.687573][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.687573][ T7704] netlink_rcv_skb+0x130/0x360 [ 5268.687573][ T7704] netlink_unicast+0x449/0x710 [ 5268.687573][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5268.687573][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5268.687573][ T7704] ___sys_sendmsg+0xee/0x170 [ 5268.687573][ T7704] __sys_sendmsg+0xcd/0x170 [ 5268.687573][ T7704] do_syscall_64+0xc6/0x1e0 [ 5268.687573][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.687573][ T7704] [ 5268.689781][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5268.689781][ T7704] netdev_get_by_index+0x5e/0x80 [ 5268.689781][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5268.689781][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5268.689781][ T7704] ip6_route_add+0x1c/0x140 [ 5268.689781][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5268.689781][ T7704] addrconf_add_dev+0xe2/0x170 [ 5268.689781][ T7704] inet6_addr_add+0x12f/0xa40 [ 5268.689781][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5268.689781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.689781][ T7704] netlink_rcv_skb+0x130/0x360 [ 5268.689781][ T7704] netlink_unicast+0x449/0x710 [ 5268.689781][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5268.689781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5268.689781][ T7704] ___sys_sendmsg+0xee/0x170 [ 5268.689781][ T7704] __sys_sendmsg+0xcd/0x170 [ 5268.689781][ T7704] do_syscall_64+0xc6/0x1e0 [ 5268.689781][ T7704] [ 5268.691967][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5268.691967][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5268.691967][ T7704] ipv6_find_idev+0x102/0x170 [ 5268.691967][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5268.691967][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.691967][ T7704] netlink_rcv_skb+0x130/0x360 [ 5268.691967][ T7704] netlink_unicast+0x449/0x710 [ 5268.691967][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5268.691967][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5268.691967][ T7704] ___sys_sendmsg+0xee/0x170 [ 5268.691967][ T7704] __sys_sendmsg+0xcd/0x170 [ 5268.691967][ T7704] do_syscall_64+0xc6/0x1e0 [ 5268.691967][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.691967][ T7704] [ 5268.693665][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5268.693665][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5268.693665][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5268.693665][ T7704] ipv6_find_idev+0x102/0x170 [ 5268.693665][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5268.693665][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.693665][ T7704] netlink_rcv_skb+0x130/0x360 [ 5268.693665][ T7704] netlink_unicast+0x449/0x710 [ 5268.693665][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5268.693665][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5268.693665][ T7704] ___sys_sendmsg+0xee/0x170 [ 5268.693665][ T7704] __sys_sendmsg+0xcd/0x170 [ 5268.693665][ T7704] do_syscall_64+0xc6/0x1e0 [ 5268.693665][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.693665][ T7704] [ 5278.932796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5278.933271][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5278.933271][ T7704] netdev_get_by_index+0x5e/0x80 [ 5278.933271][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5278.933271][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5278.933271][ T7704] ip6_route_add+0x1c/0x140 [ 5278.933271][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5278.933271][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5278.933271][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.933271][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.933271][ T7704] netlink_rcv_skb+0x130/0x360 [ 5278.933271][ T7704] netlink_unicast+0x449/0x710 [ 5278.933271][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5278.933271][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5278.933271][ T7704] ___sys_sendmsg+0xee/0x170 [ 5278.933271][ T7704] __sys_sendmsg+0xcd/0x170 [ 5278.933271][ T7704] do_syscall_64+0xc6/0x1e0 [ 5278.933271][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.933271][ T7704] [ 5278.935494][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5278.935494][ T7704] netdev_get_by_index+0x5e/0x80 [ 5278.935494][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5278.935494][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5278.935494][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5278.935494][ T7704] ipv6_add_addr+0x411/0x2000 [ 5278.935494][ T7704] inet6_addr_add+0x30e/0xa40 [ 5278.935494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.935494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.935494][ T7704] netlink_rcv_skb+0x130/0x360 [ 5278.935494][ T7704] netlink_unicast+0x449/0x710 [ 5278.935494][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5278.935494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5278.935494][ T7704] ___sys_sendmsg+0xee/0x170 [ 5278.935494][ T7704] __sys_sendmsg+0xcd/0x170 [ 5278.935494][ T7704] do_syscall_64+0xc6/0x1e0 [ 5278.935494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.935494][ T7704] [ 5278.937729][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5278.937729][ T7704] netdev_get_by_index+0x5e/0x80 [ 5278.937729][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5278.937729][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5278.937729][ T7704] ip6_route_add+0x1c/0x140 [ 5278.937729][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5278.937729][ T7704] addrconf_add_dev+0xe2/0x170 [ 5278.937729][ T7704] inet6_addr_add+0x12f/0xa40 [ 5278.937729][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.937729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.937729][ T7704] netlink_rcv_skb+0x130/0x360 [ 5278.937729][ T7704] netlink_unicast+0x449/0x710 [ 5278.937729][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5278.937729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5278.937729][ T7704] ___sys_sendmsg+0xee/0x170 [ 5278.937729][ T7704] __sys_sendmsg+0xcd/0x170 [ 5278.937729][ T7704] do_syscall_64+0xc6/0x1e0 [ 5278.937729][ T7704] [ 5278.939902][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5278.939902][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5278.939902][ T7704] ipv6_find_idev+0x102/0x170 [ 5278.939902][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5278.939902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.939902][ T7704] netlink_rcv_skb+0x130/0x360 [ 5278.939902][ T7704] netlink_unicast+0x449/0x710 [ 5278.939902][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5278.939902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5278.939902][ T7704] ___sys_sendmsg+0xee/0x170 [ 5278.939902][ T7704] __sys_sendmsg+0xcd/0x170 [ 5278.939902][ T7704] do_syscall_64+0xc6/0x1e0 [ 5278.939902][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.939902][ T7704] [ 5278.941608][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5278.941608][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5278.941608][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5278.941608][ T7704] ipv6_find_idev+0x102/0x170 [ 5278.941608][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5278.941608][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.941608][ T7704] netlink_rcv_skb+0x130/0x360 [ 5278.941608][ T7704] netlink_unicast+0x449/0x710 [ 5278.941608][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5278.941608][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5278.941608][ T7704] ___sys_sendmsg+0xee/0x170 [ 5278.941608][ T7704] __sys_sendmsg+0xcd/0x170 [ 5278.941608][ T7704] do_syscall_64+0xc6/0x1e0 [ 5278.941608][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.941608][ T7704] [ 5289.188804][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5289.189291][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5289.189291][ T7704] netdev_get_by_index+0x5e/0x80 [ 5289.189291][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5289.189291][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5289.189291][ T7704] ip6_route_add+0x1c/0x140 [ 5289.189291][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5289.189291][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5289.189291][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5289.189291][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.189291][ T7704] netlink_rcv_skb+0x130/0x360 [ 5289.189291][ T7704] netlink_unicast+0x449/0x710 [ 5289.189291][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5289.189291][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5289.189291][ T7704] ___sys_sendmsg+0xee/0x170 [ 5289.189291][ T7704] __sys_sendmsg+0xcd/0x170 [ 5289.189291][ T7704] do_syscall_64+0xc6/0x1e0 [ 5289.189291][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.189291][ T7704] [ 5289.191524][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5289.191524][ T7704] netdev_get_by_index+0x5e/0x80 [ 5289.191524][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5289.191524][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5289.191524][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5289.191524][ T7704] ipv6_add_addr+0x411/0x2000 [ 5289.191524][ T7704] inet6_addr_add+0x30e/0xa40 [ 5289.191524][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5289.191524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.191524][ T7704] netlink_rcv_skb+0x130/0x360 [ 5289.191524][ T7704] netlink_unicast+0x449/0x710 [ 5289.191524][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5289.191524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5289.191524][ T7704] ___sys_sendmsg+0xee/0x170 [ 5289.191524][ T7704] __sys_sendmsg+0xcd/0x170 [ 5289.191524][ T7704] do_syscall_64+0xc6/0x1e0 [ 5289.191524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.191524][ T7704] [ 5289.193729][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5289.193729][ T7704] netdev_get_by_index+0x5e/0x80 [ 5289.193729][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5289.193729][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5289.193729][ T7704] ip6_route_add+0x1c/0x140 [ 5289.193729][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5289.193729][ T7704] addrconf_add_dev+0xe2/0x170 [ 5289.193729][ T7704] inet6_addr_add+0x12f/0xa40 [ 5289.193729][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5289.193729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.193729][ T7704] netlink_rcv_skb+0x130/0x360 [ 5289.193729][ T7704] netlink_unicast+0x449/0x710 [ 5289.193729][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5289.193729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5289.193729][ T7704] ___sys_sendmsg+0xee/0x170 [ 5289.193729][ T7704] __sys_sendmsg+0xcd/0x170 [ 5289.193729][ T7704] do_syscall_64+0xc6/0x1e0 [ 5289.193729][ T7704] [ 5289.195914][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5289.195914][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5289.195914][ T7704] ipv6_find_idev+0x102/0x170 [ 5289.195914][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5289.195914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.195914][ T7704] netlink_rcv_skb+0x130/0x360 [ 5289.195914][ T7704] netlink_unicast+0x449/0x710 [ 5289.195914][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5289.195914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5289.195914][ T7704] ___sys_sendmsg+0xee/0x170 [ 5289.195914][ T7704] __sys_sendmsg+0xcd/0x170 [ 5289.195914][ T7704] do_syscall_64+0xc6/0x1e0 [ 5289.195914][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.195914][ T7704] [ 5289.197709][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5289.197709][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5289.197709][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5289.197709][ T7704] ipv6_find_idev+0x102/0x170 [ 5289.197709][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5289.197709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.197709][ T7704] netlink_rcv_skb+0x130/0x360 [ 5289.197709][ T7704] netlink_unicast+0x449/0x710 [ 5289.197709][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5289.197709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5289.197709][ T7704] ___sys_sendmsg+0xee/0x170 [ 5289.197709][ T7704] __sys_sendmsg+0xcd/0x170 [ 5289.197709][ T7704] do_syscall_64+0xc6/0x1e0 [ 5289.197709][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.197709][ T7704] [ 5299.436796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5299.437253][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5299.437253][ T7704] netdev_get_by_index+0x5e/0x80 [ 5299.437253][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5299.437253][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5299.437253][ T7704] ip6_route_add+0x1c/0x140 [ 5299.437253][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5299.437253][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5299.437253][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5299.437253][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.437253][ T7704] netlink_rcv_skb+0x130/0x360 [ 5299.437253][ T7704] netlink_unicast+0x449/0x710 [ 5299.437253][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5299.437253][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5299.437253][ T7704] ___sys_sendmsg+0xee/0x170 [ 5299.437253][ T7704] __sys_sendmsg+0xcd/0x170 [ 5299.437253][ T7704] do_syscall_64+0xc6/0x1e0 [ 5299.437253][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.437253][ T7704] [ 5299.439514][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5299.439514][ T7704] netdev_get_by_index+0x5e/0x80 [ 5299.439514][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5299.439514][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5299.439514][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5299.439514][ T7704] ipv6_add_addr+0x411/0x2000 [ 5299.439514][ T7704] inet6_addr_add+0x30e/0xa40 [ 5299.439514][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5299.439514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.439514][ T7704] netlink_rcv_skb+0x130/0x360 [ 5299.439514][ T7704] netlink_unicast+0x449/0x710 [ 5299.439514][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5299.439514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5299.439514][ T7704] ___sys_sendmsg+0xee/0x170 [ 5299.439514][ T7704] __sys_sendmsg+0xcd/0x170 [ 5299.439514][ T7704] do_syscall_64+0xc6/0x1e0 [ 5299.439514][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.439514][ T7704] [ 5299.441718][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5299.441718][ T7704] netdev_get_by_index+0x5e/0x80 [ 5299.441718][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5299.441718][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5299.441718][ T7704] ip6_route_add+0x1c/0x140 [ 5299.441718][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5299.441718][ T7704] addrconf_add_dev+0xe2/0x170 [ 5299.441718][ T7704] inet6_addr_add+0x12f/0xa40 [ 5299.441718][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5299.441718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.441718][ T7704] netlink_rcv_skb+0x130/0x360 [ 5299.441718][ T7704] netlink_unicast+0x449/0x710 [ 5299.441718][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5299.441718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5299.441718][ T7704] ___sys_sendmsg+0xee/0x170 [ 5299.441718][ T7704] __sys_sendmsg+0xcd/0x170 [ 5299.441718][ T7704] do_syscall_64+0xc6/0x1e0 [ 5299.441718][ T7704] [ 5299.443891][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5299.443891][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5299.443891][ T7704] ipv6_find_idev+0x102/0x170 [ 5299.443891][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5299.443891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.443891][ T7704] netlink_rcv_skb+0x130/0x360 [ 5299.443891][ T7704] netlink_unicast+0x449/0x710 [ 5299.443891][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5299.443891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5299.443891][ T7704] ___sys_sendmsg+0xee/0x170 [ 5299.443891][ T7704] __sys_sendmsg+0xcd/0x170 [ 5299.443891][ T7704] do_syscall_64+0xc6/0x1e0 [ 5299.443891][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.443891][ T7704] [ 5299.445590][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5299.445590][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5299.445590][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5299.445590][ T7704] ipv6_find_idev+0x102/0x170 [ 5299.445590][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5299.445590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.445590][ T7704] netlink_rcv_skb+0x130/0x360 [ 5299.445590][ T7704] netlink_unicast+0x449/0x710 [ 5299.445590][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5299.445590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5299.445590][ T7704] ___sys_sendmsg+0xee/0x170 [ 5299.445590][ T7704] __sys_sendmsg+0xcd/0x170 [ 5299.445590][ T7704] do_syscall_64+0xc6/0x1e0 [ 5299.445590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.445590][ T7704] [ 5309.684808][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5309.685270][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5309.685270][ T7704] netdev_get_by_index+0x5e/0x80 [ 5309.685270][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5309.685270][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5309.685270][ T7704] ip6_route_add+0x1c/0x140 [ 5309.685270][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5309.685270][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5309.685270][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5309.685270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.685270][ T7704] netlink_rcv_skb+0x130/0x360 [ 5309.685270][ T7704] netlink_unicast+0x449/0x710 [ 5309.685270][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5309.685270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5309.685270][ T7704] ___sys_sendmsg+0xee/0x170 [ 5309.685270][ T7704] __sys_sendmsg+0xcd/0x170 [ 5309.685270][ T7704] do_syscall_64+0xc6/0x1e0 [ 5309.685270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.685270][ T7704] [ 5309.687543][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5309.687543][ T7704] netdev_get_by_index+0x5e/0x80 [ 5309.687543][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5309.687543][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5309.687543][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5309.687543][ T7704] ipv6_add_addr+0x411/0x2000 [ 5309.687543][ T7704] inet6_addr_add+0x30e/0xa40 [ 5309.687543][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5309.687543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.687543][ T7704] netlink_rcv_skb+0x130/0x360 [ 5309.687543][ T7704] netlink_unicast+0x449/0x710 [ 5309.687543][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5309.687543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5309.687543][ T7704] ___sys_sendmsg+0xee/0x170 [ 5309.687543][ T7704] __sys_sendmsg+0xcd/0x170 [ 5309.687543][ T7704] do_syscall_64+0xc6/0x1e0 [ 5309.687543][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.687543][ T7704] [ 5309.690248][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5309.690248][ T7704] netdev_get_by_index+0x5e/0x80 [ 5309.690248][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5309.690248][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5309.690248][ T7704] ip6_route_add+0x1c/0x140 [ 5309.690248][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5309.690248][ T7704] addrconf_add_dev+0xe2/0x170 [ 5309.690248][ T7704] inet6_addr_add+0x12f/0xa40 [ 5309.690248][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5309.690248][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.690248][ T7704] netlink_rcv_skb+0x130/0x360 [ 5309.690248][ T7704] netlink_unicast+0x449/0x710 [ 5309.690248][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5309.690248][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5309.690248][ T7704] ___sys_sendmsg+0xee/0x170 [ 5309.690248][ T7704] __sys_sendmsg+0xcd/0x170 [ 5309.690248][ T7704] do_syscall_64+0xc6/0x1e0 [ 5309.690248][ T7704] [ 5309.692413][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5309.692413][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5309.692413][ T7704] ipv6_find_idev+0x102/0x170 [ 5309.692413][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5309.692413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.692413][ T7704] netlink_rcv_skb+0x130/0x360 [ 5309.692413][ T7704] netlink_unicast+0x449/0x710 [ 5309.692413][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5309.692413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5309.692413][ T7704] ___sys_sendmsg+0xee/0x170 [ 5309.692413][ T7704] __sys_sendmsg+0xcd/0x170 [ 5309.692413][ T7704] do_syscall_64+0xc6/0x1e0 [ 5309.692413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.692413][ T7704] [ 5309.694481][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5309.694481][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5309.694481][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5309.694481][ T7704] ipv6_find_idev+0x102/0x170 [ 5309.694481][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5309.694481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.694481][ T7704] netlink_rcv_skb+0x130/0x360 [ 5309.694481][ T7704] netlink_unicast+0x449/0x710 [ 5309.694481][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5309.694481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5309.694481][ T7704] ___sys_sendmsg+0xee/0x170 [ 5309.694481][ T7704] __sys_sendmsg+0xcd/0x170 [ 5309.694481][ T7704] do_syscall_64+0xc6/0x1e0 [ 5309.694481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.694481][ T7704] [ 5319.780797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5319.781298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5319.781298][ T7704] netdev_get_by_index+0x5e/0x80 [ 5319.781298][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5319.781298][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5319.781298][ T7704] ip6_route_add+0x1c/0x140 [ 5319.781298][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5319.781298][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5319.781298][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5319.781298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5319.781298][ T7704] netlink_rcv_skb+0x130/0x360 [ 5319.781298][ T7704] netlink_unicast+0x449/0x710 [ 5319.781298][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5319.781298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5319.781298][ T7704] ___sys_sendmsg+0xee/0x170 [ 5319.781298][ T7704] __sys_sendmsg+0xcd/0x170 [ 5319.781298][ T7704] do_syscall_64+0xc6/0x1e0 [ 5319.781298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5319.781298][ T7704] [ 5319.783570][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5319.783570][ T7704] netdev_get_by_index+0x5e/0x80 [ 5319.783570][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5319.783570][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5319.783570][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5319.783570][ T7704] ipv6_add_addr+0x411/0x2000 [ 5319.783570][ T7704] inet6_addr_add+0x30e/0xa40 [ 5319.783570][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5319.783570][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5319.783570][ T7704] netlink_rcv_skb+0x130/0x360 [ 5319.783570][ T7704] netlink_unicast+0x449/0x710 [ 5319.783570][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5319.783570][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5319.783570][ T7704] ___sys_sendmsg+0xee/0x170 [ 5319.783570][ T7704] __sys_sendmsg+0xcd/0x170 [ 5319.783570][ T7704] do_syscall_64+0xc6/0x1e0 [ 5319.783570][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5319.783570][ T7704] [ 5319.785815][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5319.785815][ T7704] netdev_get_by_index+0x5e/0x80 [ 5319.785815][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5319.785815][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5319.785815][ T7704] ip6_route_add+0x1c/0x140 [ 5319.785815][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5319.785815][ T7704] addrconf_add_dev+0xe2/0x170 [ 5319.785815][ T7704] inet6_addr_add+0x12f/0xa40 [ 5319.785815][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5319.785815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5319.785815][ T7704] netlink_rcv_skb+0x130/0x360 [ 5319.785815][ T7704] netlink_unicast+0x449/0x710 [ 5319.785815][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5319.785815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5319.785815][ T7704] ___sys_sendmsg+0xee/0x170 [ 5319.785815][ T7704] __sys_sendmsg+0xcd/0x170 [ 5319.785815][ T7704] do_syscall_64+0xc6/0x1e0 [ 5319.785815][ T7704] [ 5319.788003][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5319.788003][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5319.788003][ T7704] ipv6_find_idev+0x102/0x170 [ 5319.788003][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5319.788003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5319.788003][ T7704] netlink_rcv_skb+0x130/0x360 [ 5319.788003][ T7704] netlink_unicast+0x449/0x710 [ 5319.788003][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5319.788003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5319.788003][ T7704] ___sys_sendmsg+0xee/0x170 [ 5319.788003][ T7704] __sys_sendmsg+0xcd/0x170 [ 5319.788003][ T7704] do_syscall_64+0xc6/0x1e0 [ 5319.788003][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5319.788003][ T7704] [ 5319.789730][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5319.789730][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5319.789730][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5319.789730][ T7704] ipv6_find_idev+0x102/0x170 [ 5319.789730][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5319.789730][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5319.789730][ T7704] netlink_rcv_skb+0x130/0x360 [ 5319.789730][ T7704] netlink_unicast+0x449/0x710 [ 5319.789730][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5319.789730][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5319.789730][ T7704] ___sys_sendmsg+0xee/0x170 [ 5319.789730][ T7704] __sys_sendmsg+0xcd/0x170 [ 5319.789730][ T7704] do_syscall_64+0xc6/0x1e0 [ 5319.789730][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5319.789730][ T7704] [ 5329.804795][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5329.805276][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5329.805276][ T7704] netdev_get_by_index+0x5e/0x80 [ 5329.805276][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5329.805276][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5329.805276][ T7704] ip6_route_add+0x1c/0x140 [ 5329.805276][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5329.805276][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5329.805276][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5329.805276][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5329.805276][ T7704] netlink_rcv_skb+0x130/0x360 [ 5329.805276][ T7704] netlink_unicast+0x449/0x710 [ 5329.805276][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5329.805276][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5329.805276][ T7704] ___sys_sendmsg+0xee/0x170 [ 5329.805276][ T7704] __sys_sendmsg+0xcd/0x170 [ 5329.805276][ T7704] do_syscall_64+0xc6/0x1e0 [ 5329.805276][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5329.805276][ T7704] [ 5329.807545][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5329.807545][ T7704] netdev_get_by_index+0x5e/0x80 [ 5329.807545][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5329.807545][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5329.807545][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5329.807545][ T7704] ipv6_add_addr+0x411/0x2000 [ 5329.807545][ T7704] inet6_addr_add+0x30e/0xa40 [ 5329.807545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5329.807545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5329.807545][ T7704] netlink_rcv_skb+0x130/0x360 [ 5329.807545][ T7704] netlink_unicast+0x449/0x710 [ 5329.807545][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5329.807545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5329.807545][ T7704] ___sys_sendmsg+0xee/0x170 [ 5329.807545][ T7704] __sys_sendmsg+0xcd/0x170 [ 5329.807545][ T7704] do_syscall_64+0xc6/0x1e0 [ 5329.807545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5329.807545][ T7704] [ 5329.809783][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5329.809783][ T7704] netdev_get_by_index+0x5e/0x80 [ 5329.809783][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5329.809783][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5329.809783][ T7704] ip6_route_add+0x1c/0x140 [ 5329.809783][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5329.809783][ T7704] addrconf_add_dev+0xe2/0x170 [ 5329.809783][ T7704] inet6_addr_add+0x12f/0xa40 [ 5329.809783][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5329.809783][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5329.809783][ T7704] netlink_rcv_skb+0x130/0x360 [ 5329.809783][ T7704] netlink_unicast+0x449/0x710 [ 5329.809783][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5329.809783][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5329.809783][ T7704] ___sys_sendmsg+0xee/0x170 [ 5329.809783][ T7704] __sys_sendmsg+0xcd/0x170 [ 5329.809783][ T7704] do_syscall_64+0xc6/0x1e0 [ 5329.809783][ T7704] [ 5329.811996][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5329.811996][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5329.811996][ T7704] ipv6_find_idev+0x102/0x170 [ 5329.811996][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5329.811996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5329.811996][ T7704] netlink_rcv_skb+0x130/0x360 [ 5329.811996][ T7704] netlink_unicast+0x449/0x710 [ 5329.811996][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5329.811996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5329.811996][ T7704] ___sys_sendmsg+0xee/0x170 [ 5329.811996][ T7704] __sys_sendmsg+0xcd/0x170 [ 5329.811996][ T7704] do_syscall_64+0xc6/0x1e0 [ 5329.811996][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5329.811996][ T7704] [ 5329.813723][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5329.813723][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5329.813723][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5329.813723][ T7704] ipv6_find_idev+0x102/0x170 [ 5329.813723][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5329.813723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5329.813723][ T7704] netlink_rcv_skb+0x130/0x360 [ 5329.813723][ T7704] netlink_unicast+0x449/0x710 [ 5329.813723][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5329.813723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5329.813723][ T7704] ___sys_sendmsg+0xee/0x170 [ 5329.813723][ T7704] __sys_sendmsg+0xcd/0x170 [ 5329.813723][ T7704] do_syscall_64+0xc6/0x1e0 [ 5329.813723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5329.813723][ T7704] [ 5340.052801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5340.053286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5340.053286][ T7704] netdev_get_by_index+0x5e/0x80 [ 5340.053286][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5340.053286][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5340.053286][ T7704] ip6_route_add+0x1c/0x140 [ 5340.053286][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5340.053286][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5340.053286][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5340.053286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.053286][ T7704] netlink_rcv_skb+0x130/0x360 [ 5340.053286][ T7704] netlink_unicast+0x449/0x710 [ 5340.053286][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5340.053286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5340.053286][ T7704] ___sys_sendmsg+0xee/0x170 [ 5340.053286][ T7704] __sys_sendmsg+0xcd/0x170 [ 5340.053286][ T7704] do_syscall_64+0xc6/0x1e0 [ 5340.053286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.053286][ T7704] [ 5340.055558][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5340.055558][ T7704] netdev_get_by_index+0x5e/0x80 [ 5340.055558][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5340.055558][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5340.055558][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5340.055558][ T7704] ipv6_add_addr+0x411/0x2000 [ 5340.055558][ T7704] inet6_addr_add+0x30e/0xa40 [ 5340.055558][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5340.055558][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.055558][ T7704] netlink_rcv_skb+0x130/0x360 [ 5340.055558][ T7704] netlink_unicast+0x449/0x710 [ 5340.055558][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5340.055558][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5340.055558][ T7704] ___sys_sendmsg+0xee/0x170 [ 5340.055558][ T7704] __sys_sendmsg+0xcd/0x170 [ 5340.055558][ T7704] do_syscall_64+0xc6/0x1e0 [ 5340.055558][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.055558][ T7704] [ 5340.057806][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5340.057806][ T7704] netdev_get_by_index+0x5e/0x80 [ 5340.057806][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5340.057806][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5340.057806][ T7704] ip6_route_add+0x1c/0x140 [ 5340.057806][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5340.057806][ T7704] addrconf_add_dev+0xe2/0x170 [ 5340.057806][ T7704] inet6_addr_add+0x12f/0xa40 [ 5340.057806][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5340.057806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.057806][ T7704] netlink_rcv_skb+0x130/0x360 [ 5340.057806][ T7704] netlink_unicast+0x449/0x710 [ 5340.057806][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5340.057806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5340.057806][ T7704] ___sys_sendmsg+0xee/0x170 [ 5340.057806][ T7704] __sys_sendmsg+0xcd/0x170 [ 5340.057806][ T7704] do_syscall_64+0xc6/0x1e0 [ 5340.057806][ T7704] [ 5340.059994][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5340.059994][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5340.059994][ T7704] ipv6_find_idev+0x102/0x170 [ 5340.059994][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5340.059994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.059994][ T7704] netlink_rcv_skb+0x130/0x360 [ 5340.059994][ T7704] netlink_unicast+0x449/0x710 [ 5340.059994][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5340.059994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5340.059994][ T7704] ___sys_sendmsg+0xee/0x170 [ 5340.059994][ T7704] __sys_sendmsg+0xcd/0x170 [ 5340.059994][ T7704] do_syscall_64+0xc6/0x1e0 [ 5340.059994][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.059994][ T7704] [ 5340.061708][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5340.061708][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5340.061708][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5340.061708][ T7704] ipv6_find_idev+0x102/0x170 [ 5340.061708][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5340.061708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.061708][ T7704] netlink_rcv_skb+0x130/0x360 [ 5340.061708][ T7704] netlink_unicast+0x449/0x710 [ 5340.061708][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5340.061708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5340.061708][ T7704] ___sys_sendmsg+0xee/0x170 [ 5340.061708][ T7704] __sys_sendmsg+0xcd/0x170 [ 5340.061708][ T7704] do_syscall_64+0xc6/0x1e0 [ 5340.061708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.061708][ T7704] [ 5350.300797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5350.301323][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5350.301323][ T7704] netdev_get_by_index+0x5e/0x80 [ 5350.301323][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5350.301323][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5350.301323][ T7704] ip6_route_add+0x1c/0x140 [ 5350.301323][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5350.301323][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5350.301323][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5350.301323][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.301323][ T7704] netlink_rcv_skb+0x130/0x360 [ 5350.301323][ T7704] netlink_unicast+0x449/0x710 [ 5350.301323][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5350.301323][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5350.301323][ T7704] ___sys_sendmsg+0xee/0x170 [ 5350.301323][ T7704] __sys_sendmsg+0xcd/0x170 [ 5350.301323][ T7704] do_syscall_64+0xc6/0x1e0 [ 5350.301323][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.301323][ T7704] [ 5350.303591][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5350.303591][ T7704] netdev_get_by_index+0x5e/0x80 [ 5350.303591][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5350.303591][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5350.303591][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5350.303591][ T7704] ipv6_add_addr+0x411/0x2000 [ 5350.303591][ T7704] inet6_addr_add+0x30e/0xa40 [ 5350.303591][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5350.303591][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.303591][ T7704] netlink_rcv_skb+0x130/0x360 [ 5350.303591][ T7704] netlink_unicast+0x449/0x710 [ 5350.303591][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5350.303591][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5350.303591][ T7704] ___sys_sendmsg+0xee/0x170 [ 5350.303591][ T7704] __sys_sendmsg+0xcd/0x170 [ 5350.303591][ T7704] do_syscall_64+0xc6/0x1e0 [ 5350.303591][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.303591][ T7704] [ 5350.305842][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5350.305842][ T7704] netdev_get_by_index+0x5e/0x80 [ 5350.305842][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5350.305842][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5350.305842][ T7704] ip6_route_add+0x1c/0x140 [ 5350.305842][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5350.305842][ T7704] addrconf_add_dev+0xe2/0x170 [ 5350.305842][ T7704] inet6_addr_add+0x12f/0xa40 [ 5350.305842][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5350.305842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.305842][ T7704] netlink_rcv_skb+0x130/0x360 [ 5350.305842][ T7704] netlink_unicast+0x449/0x710 [ 5350.305842][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5350.305842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5350.305842][ T7704] ___sys_sendmsg+0xee/0x170 [ 5350.305842][ T7704] __sys_sendmsg+0xcd/0x170 [ 5350.305842][ T7704] do_syscall_64+0xc6/0x1e0 [ 5350.305842][ T7704] [ 5350.308034][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5350.308034][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5350.308034][ T7704] ipv6_find_idev+0x102/0x170 [ 5350.308034][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5350.308034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.308034][ T7704] netlink_rcv_skb+0x130/0x360 [ 5350.308034][ T7704] netlink_unicast+0x449/0x710 [ 5350.308034][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5350.308034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5350.308034][ T7704] ___sys_sendmsg+0xee/0x170 [ 5350.308034][ T7704] __sys_sendmsg+0xcd/0x170 [ 5350.308034][ T7704] do_syscall_64+0xc6/0x1e0 [ 5350.308034][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.308034][ T7704] [ 5350.309749][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5350.309749][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5350.309749][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5350.309749][ T7704] ipv6_find_idev+0x102/0x170 [ 5350.309749][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5350.309749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.309749][ T7704] netlink_rcv_skb+0x130/0x360 [ 5350.309749][ T7704] netlink_unicast+0x449/0x710 [ 5350.309749][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5350.309749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5350.309749][ T7704] ___sys_sendmsg+0xee/0x170 [ 5350.309749][ T7704] __sys_sendmsg+0xcd/0x170 [ 5350.309749][ T7704] do_syscall_64+0xc6/0x1e0 [ 5350.309749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.309749][ T7704] [ 5360.548838][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5360.549359][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5360.549359][ T7704] netdev_get_by_index+0x5e/0x80 [ 5360.549359][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5360.549359][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5360.549359][ T7704] ip6_route_add+0x1c/0x140 [ 5360.549359][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5360.549359][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5360.549359][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5360.549359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5360.549359][ T7704] netlink_rcv_skb+0x130/0x360 [ 5360.549359][ T7704] netlink_unicast+0x449/0x710 [ 5360.549359][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5360.549359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5360.549359][ T7704] ___sys_sendmsg+0xee/0x170 [ 5360.549359][ T7704] __sys_sendmsg+0xcd/0x170 [ 5360.549359][ T7704] do_syscall_64+0xc6/0x1e0 [ 5360.549359][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5360.549359][ T7704] [ 5360.551608][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5360.551608][ T7704] netdev_get_by_index+0x5e/0x80 [ 5360.551608][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5360.551608][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5360.551608][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5360.551608][ T7704] ipv6_add_addr+0x411/0x2000 [ 5360.551608][ T7704] inet6_addr_add+0x30e/0xa40 [ 5360.551608][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5360.551608][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5360.551608][ T7704] netlink_rcv_skb+0x130/0x360 [ 5360.551608][ T7704] netlink_unicast+0x449/0x710 [ 5360.551608][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5360.551608][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5360.551608][ T7704] ___sys_sendmsg+0xee/0x170 [ 5360.551608][ T7704] __sys_sendmsg+0xcd/0x170 [ 5360.551608][ T7704] do_syscall_64+0xc6/0x1e0 [ 5360.551608][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5360.551608][ T7704] [ 5360.553842][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5360.553842][ T7704] netdev_get_by_index+0x5e/0x80 [ 5360.553842][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5360.553842][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5360.553842][ T7704] ip6_route_add+0x1c/0x140 [ 5360.553842][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5360.553842][ T7704] addrconf_add_dev+0xe2/0x170 [ 5360.553842][ T7704] inet6_addr_add+0x12f/0xa40 [ 5360.553842][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5360.553842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5360.553842][ T7704] netlink_rcv_skb+0x130/0x360 [ 5360.553842][ T7704] netlink_unicast+0x449/0x710 [ 5360.553842][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5360.553842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5360.553842][ T7704] ___sys_sendmsg+0xee/0x170 [ 5360.553842][ T7704] __sys_sendmsg+0xcd/0x170 [ 5360.553842][ T7704] do_syscall_64+0xc6/0x1e0 [ 5360.553842][ T7704] [ 5360.556559][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5360.556559][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5360.556559][ T7704] ipv6_find_idev+0x102/0x170 [ 5360.556559][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5360.556559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5360.556559][ T7704] netlink_rcv_skb+0x130/0x360 [ 5360.556559][ T7704] netlink_unicast+0x449/0x710 [ 5360.556559][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5360.556559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5360.556559][ T7704] ___sys_sendmsg+0xee/0x170 [ 5360.556559][ T7704] __sys_sendmsg+0xcd/0x170 [ 5360.556559][ T7704] do_syscall_64+0xc6/0x1e0 [ 5360.556559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5360.556559][ T7704] [ 5360.558268][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5360.558268][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5360.558268][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5360.558268][ T7704] ipv6_find_idev+0x102/0x170 [ 5360.558268][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5360.558268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5360.558268][ T7704] netlink_rcv_skb+0x130/0x360 [ 5360.558268][ T7704] netlink_unicast+0x449/0x710 [ 5360.558268][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5360.558268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5360.558268][ T7704] ___sys_sendmsg+0xee/0x170 [ 5360.558268][ T7704] __sys_sendmsg+0xcd/0x170 [ 5360.558268][ T7704] do_syscall_64+0xc6/0x1e0 [ 5360.558268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5360.558268][ T7704] [ 5370.796835][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5370.797323][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5370.797323][ T7704] netdev_get_by_index+0x5e/0x80 [ 5370.797323][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5370.797323][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5370.797323][ T7704] ip6_route_add+0x1c/0x140 [ 5370.797323][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5370.797323][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5370.797323][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5370.797323][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5370.797323][ T7704] netlink_rcv_skb+0x130/0x360 [ 5370.797323][ T7704] netlink_unicast+0x449/0x710 [ 5370.797323][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5370.797323][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5370.797323][ T7704] ___sys_sendmsg+0xee/0x170 [ 5370.797323][ T7704] __sys_sendmsg+0xcd/0x170 [ 5370.797323][ T7704] do_syscall_64+0xc6/0x1e0 [ 5370.797323][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5370.797323][ T7704] [ 5370.799612][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5370.799612][ T7704] netdev_get_by_index+0x5e/0x80 [ 5370.799612][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5370.799612][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5370.799612][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5370.799612][ T7704] ipv6_add_addr+0x411/0x2000 [ 5370.799612][ T7704] inet6_addr_add+0x30e/0xa40 [ 5370.799612][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5370.799612][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5370.799612][ T7704] netlink_rcv_skb+0x130/0x360 [ 5370.799612][ T7704] netlink_unicast+0x449/0x710 [ 5370.799612][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5370.799612][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5370.799612][ T7704] ___sys_sendmsg+0xee/0x170 [ 5370.799612][ T7704] __sys_sendmsg+0xcd/0x170 [ 5370.799612][ T7704] do_syscall_64+0xc6/0x1e0 [ 5370.799612][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5370.799612][ T7704] [ 5370.801842][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5370.801842][ T7704] netdev_get_by_index+0x5e/0x80 [ 5370.801842][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5370.801842][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5370.801842][ T7704] ip6_route_add+0x1c/0x140 [ 5370.801842][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5370.801842][ T7704] addrconf_add_dev+0xe2/0x170 [ 5370.801842][ T7704] inet6_addr_add+0x12f/0xa40 [ 5370.801842][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5370.801842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5370.801842][ T7704] netlink_rcv_skb+0x130/0x360 [ 5370.801842][ T7704] netlink_unicast+0x449/0x710 [ 5370.801842][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5370.801842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5370.801842][ T7704] ___sys_sendmsg+0xee/0x170 [ 5370.801842][ T7704] __sys_sendmsg+0xcd/0x170 [ 5370.801842][ T7704] do_syscall_64+0xc6/0x1e0 [ 5370.801842][ T7704] [ 5370.804032][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5370.804032][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5370.804032][ T7704] ipv6_find_idev+0x102/0x170 [ 5370.804032][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5370.804032][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5370.804032][ T7704] netlink_rcv_skb+0x130/0x360 [ 5370.804032][ T7704] netlink_unicast+0x449/0x710 [ 5370.804032][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5370.804032][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5370.804032][ T7704] ___sys_sendmsg+0xee/0x170 [ 5370.804032][ T7704] __sys_sendmsg+0xcd/0x170 [ 5370.804032][ T7704] do_syscall_64+0xc6/0x1e0 [ 5370.804032][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5370.804032][ T7704] [ 5370.805887][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5370.805887][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5370.805887][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5370.805887][ T7704] ipv6_find_idev+0x102/0x170 [ 5370.805887][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5370.805887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5370.805887][ T7704] netlink_rcv_skb+0x130/0x360 [ 5370.805887][ T7704] netlink_unicast+0x449/0x710 [ 5370.805887][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5370.805887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5370.805887][ T7704] ___sys_sendmsg+0xee/0x170 [ 5370.805887][ T7704] __sys_sendmsg+0xcd/0x170 [ 5370.805887][ T7704] do_syscall_64+0xc6/0x1e0 [ 5370.805887][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5370.805887][ T7704] [ 5380.940800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5380.941274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5380.941274][ T7704] netdev_get_by_index+0x5e/0x80 [ 5380.941274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5380.941274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5380.941274][ T7704] ip6_route_add+0x1c/0x140 [ 5380.941274][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5380.941274][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5380.941274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.941274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.941274][ T7704] netlink_rcv_skb+0x130/0x360 [ 5380.941274][ T7704] netlink_unicast+0x449/0x710 [ 5380.941274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5380.941274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5380.941274][ T7704] ___sys_sendmsg+0xee/0x170 [ 5380.941274][ T7704] __sys_sendmsg+0xcd/0x170 [ 5380.941274][ T7704] do_syscall_64+0xc6/0x1e0 [ 5380.941274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.941274][ T7704] [ 5380.944024][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5380.944024][ T7704] netdev_get_by_index+0x5e/0x80 [ 5380.944024][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5380.944024][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5380.944024][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5380.944024][ T7704] ipv6_add_addr+0x411/0x2000 [ 5380.944024][ T7704] inet6_addr_add+0x30e/0xa40 [ 5380.944024][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.944024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.944024][ T7704] netlink_rcv_skb+0x130/0x360 [ 5380.944024][ T7704] netlink_unicast+0x449/0x710 [ 5380.944024][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5380.944024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5380.944024][ T7704] ___sys_sendmsg+0xee/0x170 [ 5380.944024][ T7704] __sys_sendmsg+0xcd/0x170 [ 5380.944024][ T7704] do_syscall_64+0xc6/0x1e0 [ 5380.944024][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.944024][ T7704] [ 5380.946233][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5380.946233][ T7704] netdev_get_by_index+0x5e/0x80 [ 5380.946233][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5380.946233][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5380.946233][ T7704] ip6_route_add+0x1c/0x140 [ 5380.946233][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5380.946233][ T7704] addrconf_add_dev+0xe2/0x170 [ 5380.946233][ T7704] inet6_addr_add+0x12f/0xa40 [ 5380.946233][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.946233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.946233][ T7704] netlink_rcv_skb+0x130/0x360 [ 5380.946233][ T7704] netlink_unicast+0x449/0x710 [ 5380.946233][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5380.946233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5380.946233][ T7704] ___sys_sendmsg+0xee/0x170 [ 5380.946233][ T7704] __sys_sendmsg+0xcd/0x170 [ 5380.946233][ T7704] do_syscall_64+0xc6/0x1e0 [ 5380.946233][ T7704] [ 5380.948398][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5380.948398][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5380.948398][ T7704] ipv6_find_idev+0x102/0x170 [ 5380.948398][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5380.948398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.948398][ T7704] netlink_rcv_skb+0x130/0x360 [ 5380.948398][ T7704] netlink_unicast+0x449/0x710 [ 5380.948398][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5380.948398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5380.948398][ T7704] ___sys_sendmsg+0xee/0x170 [ 5380.948398][ T7704] __sys_sendmsg+0xcd/0x170 [ 5380.948398][ T7704] do_syscall_64+0xc6/0x1e0 [ 5380.948398][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.948398][ T7704] [ 5380.950111][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5380.950111][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5380.950111][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5380.950111][ T7704] ipv6_find_idev+0x102/0x170 [ 5380.950111][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5380.950111][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.950111][ T7704] netlink_rcv_skb+0x130/0x360 [ 5380.950111][ T7704] netlink_unicast+0x449/0x710 [ 5380.950111][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5380.950111][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5380.950111][ T7704] ___sys_sendmsg+0xee/0x170 [ 5380.950111][ T7704] __sys_sendmsg+0xcd/0x170 [ 5380.950111][ T7704] do_syscall_64+0xc6/0x1e0 [ 5380.950111][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.950111][ T7704] [ 5391.188830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5391.189315][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5391.189315][ T7704] netdev_get_by_index+0x5e/0x80 [ 5391.189315][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5391.189315][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5391.189315][ T7704] ip6_route_add+0x1c/0x140 [ 5391.189315][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5391.189315][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5391.189315][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5391.189315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.189315][ T7704] netlink_rcv_skb+0x130/0x360 [ 5391.189315][ T7704] netlink_unicast+0x449/0x710 [ 5391.189315][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5391.189315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5391.189315][ T7704] ___sys_sendmsg+0xee/0x170 [ 5391.189315][ T7704] __sys_sendmsg+0xcd/0x170 [ 5391.189315][ T7704] do_syscall_64+0xc6/0x1e0 [ 5391.189315][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.189315][ T7704] [ 5391.191579][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5391.191579][ T7704] netdev_get_by_index+0x5e/0x80 [ 5391.191579][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5391.191579][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5391.191579][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5391.191579][ T7704] ipv6_add_addr+0x411/0x2000 [ 5391.191579][ T7704] inet6_addr_add+0x30e/0xa40 [ 5391.191579][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5391.191579][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.191579][ T7704] netlink_rcv_skb+0x130/0x360 [ 5391.191579][ T7704] netlink_unicast+0x449/0x710 [ 5391.191579][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5391.191579][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5391.191579][ T7704] ___sys_sendmsg+0xee/0x170 [ 5391.191579][ T7704] __sys_sendmsg+0xcd/0x170 [ 5391.191579][ T7704] do_syscall_64+0xc6/0x1e0 [ 5391.191579][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.191579][ T7704] [ 5391.193815][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5391.193815][ T7704] netdev_get_by_index+0x5e/0x80 [ 5391.193815][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5391.193815][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5391.193815][ T7704] ip6_route_add+0x1c/0x140 [ 5391.193815][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5391.193815][ T7704] addrconf_add_dev+0xe2/0x170 [ 5391.193815][ T7704] inet6_addr_add+0x12f/0xa40 [ 5391.193815][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5391.193815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.193815][ T7704] netlink_rcv_skb+0x130/0x360 [ 5391.193815][ T7704] netlink_unicast+0x449/0x710 [ 5391.193815][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5391.193815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5391.193815][ T7704] ___sys_sendmsg+0xee/0x170 [ 5391.193815][ T7704] __sys_sendmsg+0xcd/0x170 [ 5391.193815][ T7704] do_syscall_64+0xc6/0x1e0 [ 5391.193815][ T7704] [ 5391.196056][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5391.196056][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5391.196056][ T7704] ipv6_find_idev+0x102/0x170 [ 5391.196056][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5391.196056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.196056][ T7704] netlink_rcv_skb+0x130/0x360 [ 5391.196056][ T7704] netlink_unicast+0x449/0x710 [ 5391.196056][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5391.196056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5391.196056][ T7704] ___sys_sendmsg+0xee/0x170 [ 5391.196056][ T7704] __sys_sendmsg+0xcd/0x170 [ 5391.196056][ T7704] do_syscall_64+0xc6/0x1e0 [ 5391.196056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.196056][ T7704] [ 5391.197787][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5391.197787][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5391.197787][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5391.197787][ T7704] ipv6_find_idev+0x102/0x170 [ 5391.197787][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5391.197787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.197787][ T7704] netlink_rcv_skb+0x130/0x360 [ 5391.197787][ T7704] netlink_unicast+0x449/0x710 [ 5391.197787][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5391.197787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5391.197787][ T7704] ___sys_sendmsg+0xee/0x170 [ 5391.197787][ T7704] __sys_sendmsg+0xcd/0x170 [ 5391.197787][ T7704] do_syscall_64+0xc6/0x1e0 [ 5391.197787][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.197787][ T7704] [ 5401.308797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5401.309278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5401.309278][ T7704] netdev_get_by_index+0x5e/0x80 [ 5401.309278][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5401.309278][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5401.309278][ T7704] ip6_route_add+0x1c/0x140 [ 5401.309278][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5401.309278][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5401.309278][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5401.309278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5401.309278][ T7704] netlink_rcv_skb+0x130/0x360 [ 5401.309278][ T7704] netlink_unicast+0x449/0x710 [ 5401.309278][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5401.309278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5401.309278][ T7704] ___sys_sendmsg+0xee/0x170 [ 5401.309278][ T7704] __sys_sendmsg+0xcd/0x170 [ 5401.309278][ T7704] do_syscall_64+0xc6/0x1e0 [ 5401.309278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5401.309278][ T7704] [ 5401.311542][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5401.311542][ T7704] netdev_get_by_index+0x5e/0x80 [ 5401.311542][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5401.311542][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5401.311542][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5401.311542][ T7704] ipv6_add_addr+0x411/0x2000 [ 5401.311542][ T7704] inet6_addr_add+0x30e/0xa40 [ 5401.311542][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5401.311542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5401.311542][ T7704] netlink_rcv_skb+0x130/0x360 [ 5401.311542][ T7704] netlink_unicast+0x449/0x710 [ 5401.311542][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5401.311542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5401.311542][ T7704] ___sys_sendmsg+0xee/0x170 [ 5401.311542][ T7704] __sys_sendmsg+0xcd/0x170 [ 5401.311542][ T7704] do_syscall_64+0xc6/0x1e0 [ 5401.311542][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5401.311542][ T7704] [ 5401.313783][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5401.313783][ T7704] netdev_get_by_index+0x5e/0x80 [ 5401.313783][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5401.313783][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5401.313783][ T7704] ip6_route_add+0x1c/0x140 [ 5401.313783][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5401.313783][ T7704] addrconf_add_dev+0xe2/0x170 [ 5401.313783][ T7704] inet6_addr_add+0x12f/0xa40 [ 5401.313783][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5401.313783][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5401.313783][ T7704] netlink_rcv_skb+0x130/0x360 [ 5401.313783][ T7704] netlink_unicast+0x449/0x710 [ 5401.313783][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5401.313783][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5401.313783][ T7704] ___sys_sendmsg+0xee/0x170 [ 5401.313783][ T7704] __sys_sendmsg+0xcd/0x170 [ 5401.313783][ T7704] do_syscall_64+0xc6/0x1e0 [ 5401.313783][ T7704] [ 5401.315998][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5401.315998][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5401.315998][ T7704] ipv6_find_idev+0x102/0x170 [ 5401.315998][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5401.315998][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5401.315998][ T7704] netlink_rcv_skb+0x130/0x360 [ 5401.315998][ T7704] netlink_unicast+0x449/0x710 [ 5401.315998][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5401.315998][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5401.315998][ T7704] ___sys_sendmsg+0xee/0x170 [ 5401.315998][ T7704] __sys_sendmsg+0xcd/0x170 [ 5401.315998][ T7704] do_syscall_64+0xc6/0x1e0 [ 5401.315998][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5401.315998][ T7704] [ 5401.317799][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5401.317799][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5401.317799][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5401.317799][ T7704] ipv6_find_idev+0x102/0x170 [ 5401.317799][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5401.317799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5401.317799][ T7704] netlink_rcv_skb+0x130/0x360 [ 5401.317799][ T7704] netlink_unicast+0x449/0x710 [ 5401.317799][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5401.317799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5401.317799][ T7704] ___sys_sendmsg+0xee/0x170 [ 5401.317799][ T7704] __sys_sendmsg+0xcd/0x170 [ 5401.317799][ T7704] do_syscall_64+0xc6/0x1e0 [ 5401.317799][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5401.317799][ T7704] [ 5411.556835][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5411.557314][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5411.557314][ T7704] netdev_get_by_index+0x5e/0x80 [ 5411.557314][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5411.557314][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5411.557314][ T7704] ip6_route_add+0x1c/0x140 [ 5411.557314][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5411.557314][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5411.557314][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5411.557314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.557314][ T7704] netlink_rcv_skb+0x130/0x360 [ 5411.557314][ T7704] netlink_unicast+0x449/0x710 [ 5411.557314][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5411.557314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5411.557314][ T7704] ___sys_sendmsg+0xee/0x170 [ 5411.557314][ T7704] __sys_sendmsg+0xcd/0x170 [ 5411.557314][ T7704] do_syscall_64+0xc6/0x1e0 [ 5411.557314][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.557314][ T7704] [ 5411.559541][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5411.559541][ T7704] netdev_get_by_index+0x5e/0x80 [ 5411.559541][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5411.559541][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5411.559541][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5411.559541][ T7704] ipv6_add_addr+0x411/0x2000 [ 5411.559541][ T7704] inet6_addr_add+0x30e/0xa40 [ 5411.559541][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5411.559541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.559541][ T7704] netlink_rcv_skb+0x130/0x360 [ 5411.559541][ T7704] netlink_unicast+0x449/0x710 [ 5411.559541][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5411.559541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5411.559541][ T7704] ___sys_sendmsg+0xee/0x170 [ 5411.559541][ T7704] __sys_sendmsg+0xcd/0x170 [ 5411.559541][ T7704] do_syscall_64+0xc6/0x1e0 [ 5411.559541][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.559541][ T7704] [ 5411.561855][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5411.561855][ T7704] netdev_get_by_index+0x5e/0x80 [ 5411.561855][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5411.561855][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5411.561855][ T7704] ip6_route_add+0x1c/0x140 [ 5411.561855][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5411.561855][ T7704] addrconf_add_dev+0xe2/0x170 [ 5411.561855][ T7704] inet6_addr_add+0x12f/0xa40 [ 5411.561855][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5411.561855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.561855][ T7704] netlink_rcv_skb+0x130/0x360 [ 5411.561855][ T7704] netlink_unicast+0x449/0x710 [ 5411.561855][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5411.561855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5411.561855][ T7704] ___sys_sendmsg+0xee/0x170 [ 5411.561855][ T7704] __sys_sendmsg+0xcd/0x170 [ 5411.561855][ T7704] do_syscall_64+0xc6/0x1e0 [ 5411.561855][ T7704] [ 5411.564022][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5411.564022][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5411.564022][ T7704] ipv6_find_idev+0x102/0x170 [ 5411.564022][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5411.564022][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.564022][ T7704] netlink_rcv_skb+0x130/0x360 [ 5411.564022][ T7704] netlink_unicast+0x449/0x710 [ 5411.564022][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5411.564022][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5411.564022][ T7704] ___sys_sendmsg+0xee/0x170 [ 5411.564022][ T7704] __sys_sendmsg+0xcd/0x170 [ 5411.564022][ T7704] do_syscall_64+0xc6/0x1e0 [ 5411.564022][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.564022][ T7704] [ 5411.565733][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5411.565733][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5411.565733][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5411.565733][ T7704] ipv6_find_idev+0x102/0x170 [ 5411.565733][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5411.565733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.565733][ T7704] netlink_rcv_skb+0x130/0x360 [ 5411.565733][ T7704] netlink_unicast+0x449/0x710 [ 5411.565733][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5411.565733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5411.565733][ T7704] ___sys_sendmsg+0xee/0x170 [ 5411.565733][ T7704] __sys_sendmsg+0xcd/0x170 [ 5411.565733][ T7704] do_syscall_64+0xc6/0x1e0 [ 5411.565733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.565733][ T7704] [ 5421.804748][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5421.805266][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5421.805266][ T7704] netdev_get_by_index+0x5e/0x80 [ 5421.805266][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5421.805266][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5421.805266][ T7704] ip6_route_add+0x1c/0x140 [ 5421.805266][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5421.805266][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5421.805266][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.805266][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.805266][ T7704] netlink_rcv_skb+0x130/0x360 [ 5421.805266][ T7704] netlink_unicast+0x449/0x710 [ 5421.805266][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5421.805266][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5421.805266][ T7704] ___sys_sendmsg+0xee/0x170 [ 5421.805266][ T7704] __sys_sendmsg+0xcd/0x170 [ 5421.805266][ T7704] do_syscall_64+0xc6/0x1e0 [ 5421.805266][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.805266][ T7704] [ 5421.807488][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5421.807488][ T7704] netdev_get_by_index+0x5e/0x80 [ 5421.807488][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5421.807488][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5421.807488][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5421.807488][ T7704] ipv6_add_addr+0x411/0x2000 [ 5421.807488][ T7704] inet6_addr_add+0x30e/0xa40 [ 5421.807488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.807488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.807488][ T7704] netlink_rcv_skb+0x130/0x360 [ 5421.807488][ T7704] netlink_unicast+0x449/0x710 [ 5421.807488][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5421.807488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5421.807488][ T7704] ___sys_sendmsg+0xee/0x170 [ 5421.807488][ T7704] __sys_sendmsg+0xcd/0x170 [ 5421.807488][ T7704] do_syscall_64+0xc6/0x1e0 [ 5421.807488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.807488][ T7704] [ 5421.809701][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5421.809701][ T7704] netdev_get_by_index+0x5e/0x80 [ 5421.809701][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5421.809701][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5421.809701][ T7704] ip6_route_add+0x1c/0x140 [ 5421.809701][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5421.809701][ T7704] addrconf_add_dev+0xe2/0x170 [ 5421.809701][ T7704] inet6_addr_add+0x12f/0xa40 [ 5421.809701][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.809701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.809701][ T7704] netlink_rcv_skb+0x130/0x360 [ 5421.809701][ T7704] netlink_unicast+0x449/0x710 [ 5421.809701][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5421.809701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5421.809701][ T7704] ___sys_sendmsg+0xee/0x170 [ 5421.809701][ T7704] __sys_sendmsg+0xcd/0x170 [ 5421.809701][ T7704] do_syscall_64+0xc6/0x1e0 [ 5421.809701][ T7704] [ 5421.811870][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5421.811870][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5421.811870][ T7704] ipv6_find_idev+0x102/0x170 [ 5421.811870][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5421.811870][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.811870][ T7704] netlink_rcv_skb+0x130/0x360 [ 5421.811870][ T7704] netlink_unicast+0x449/0x710 [ 5421.811870][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5421.811870][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5421.811870][ T7704] ___sys_sendmsg+0xee/0x170 [ 5421.811870][ T7704] __sys_sendmsg+0xcd/0x170 [ 5421.811870][ T7704] do_syscall_64+0xc6/0x1e0 [ 5421.811870][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.811870][ T7704] [ 5421.813566][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5421.813566][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5421.813566][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5421.813566][ T7704] ipv6_find_idev+0x102/0x170 [ 5421.813566][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5421.813566][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.813566][ T7704] netlink_rcv_skb+0x130/0x360 [ 5421.813566][ T7704] netlink_unicast+0x449/0x710 [ 5421.813566][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5421.813566][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5421.813566][ T7704] ___sys_sendmsg+0xee/0x170 [ 5421.813566][ T7704] __sys_sendmsg+0xcd/0x170 [ 5421.813566][ T7704] do_syscall_64+0xc6/0x1e0 [ 5421.813566][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.813566][ T7704] [ 5432.052811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5432.053277][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5432.053277][ T7704] netdev_get_by_index+0x5e/0x80 [ 5432.053277][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5432.053277][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5432.053277][ T7704] ip6_route_add+0x1c/0x140 [ 5432.053277][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5432.053277][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5432.053277][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5432.053277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5432.053277][ T7704] netlink_rcv_skb+0x130/0x360 [ 5432.053277][ T7704] netlink_unicast+0x449/0x710 [ 5432.053277][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5432.053277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5432.053277][ T7704] ___sys_sendmsg+0xee/0x170 [ 5432.053277][ T7704] __sys_sendmsg+0xcd/0x170 [ 5432.053277][ T7704] do_syscall_64+0xc6/0x1e0 [ 5432.053277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5432.053277][ T7704] [ 5432.055528][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5432.055528][ T7704] netdev_get_by_index+0x5e/0x80 [ 5432.055528][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5432.055528][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5432.055528][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5432.055528][ T7704] ipv6_add_addr+0x411/0x2000 [ 5432.055528][ T7704] inet6_addr_add+0x30e/0xa40 [ 5432.055528][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5432.055528][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5432.055528][ T7704] netlink_rcv_skb+0x130/0x360 [ 5432.055528][ T7704] netlink_unicast+0x449/0x710 [ 5432.055528][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5432.055528][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5432.055528][ T7704] ___sys_sendmsg+0xee/0x170 [ 5432.055528][ T7704] __sys_sendmsg+0xcd/0x170 [ 5432.055528][ T7704] do_syscall_64+0xc6/0x1e0 [ 5432.055528][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5432.055528][ T7704] [ 5432.057817][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5432.057817][ T7704] netdev_get_by_index+0x5e/0x80 [ 5432.057817][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5432.057817][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5432.057817][ T7704] ip6_route_add+0x1c/0x140 [ 5432.057817][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5432.057817][ T7704] addrconf_add_dev+0xe2/0x170 [ 5432.057817][ T7704] inet6_addr_add+0x12f/0xa40 [ 5432.057817][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5432.057817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5432.057817][ T7704] netlink_rcv_skb+0x130/0x360 [ 5432.057817][ T7704] netlink_unicast+0x449/0x710 [ 5432.057817][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5432.057817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5432.057817][ T7704] ___sys_sendmsg+0xee/0x170 [ 5432.057817][ T7704] __sys_sendmsg+0xcd/0x170 [ 5432.057817][ T7704] do_syscall_64+0xc6/0x1e0 [ 5432.057817][ T7704] [ 5432.060002][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5432.060002][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5432.060002][ T7704] ipv6_find_idev+0x102/0x170 [ 5432.060002][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5432.060002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5432.060002][ T7704] netlink_rcv_skb+0x130/0x360 [ 5432.060002][ T7704] netlink_unicast+0x449/0x710 [ 5432.060002][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5432.060002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5432.060002][ T7704] ___sys_sendmsg+0xee/0x170 [ 5432.060002][ T7704] __sys_sendmsg+0xcd/0x170 [ 5432.060002][ T7704] do_syscall_64+0xc6/0x1e0 [ 5432.060002][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5432.060002][ T7704] [ 5432.061702][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5432.061702][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5432.061702][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5432.061702][ T7704] ipv6_find_idev+0x102/0x170 [ 5432.061702][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5432.061702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5432.061702][ T7704] netlink_rcv_skb+0x130/0x360 [ 5432.061702][ T7704] netlink_unicast+0x449/0x710 [ 5432.061702][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5432.061702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5432.061702][ T7704] ___sys_sendmsg+0xee/0x170 [ 5432.061702][ T7704] __sys_sendmsg+0xcd/0x170 [ 5432.061702][ T7704] do_syscall_64+0xc6/0x1e0 [ 5432.061702][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5432.061702][ T7704] [ 5442.164829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5442.165308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5442.165308][ T7704] netdev_get_by_index+0x5e/0x80 [ 5442.165308][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5442.165308][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5442.165308][ T7704] ip6_route_add+0x1c/0x140 [ 5442.165308][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5442.165308][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5442.165308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5442.165308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5442.165308][ T7704] netlink_rcv_skb+0x130/0x360 [ 5442.165308][ T7704] netlink_unicast+0x449/0x710 [ 5442.165308][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5442.165308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5442.165308][ T7704] ___sys_sendmsg+0xee/0x170 [ 5442.165308][ T7704] __sys_sendmsg+0xcd/0x170 [ 5442.165308][ T7704] do_syscall_64+0xc6/0x1e0 [ 5442.165308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5442.165308][ T7704] [ 5442.167547][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5442.167547][ T7704] netdev_get_by_index+0x5e/0x80 [ 5442.167547][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5442.167547][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5442.167547][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5442.167547][ T7704] ipv6_add_addr+0x411/0x2000 [ 5442.167547][ T7704] inet6_addr_add+0x30e/0xa40 [ 5442.167547][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5442.167547][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5442.167547][ T7704] netlink_rcv_skb+0x130/0x360 [ 5442.167547][ T7704] netlink_unicast+0x449/0x710 [ 5442.167547][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5442.167547][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5442.167547][ T7704] ___sys_sendmsg+0xee/0x170 [ 5442.167547][ T7704] __sys_sendmsg+0xcd/0x170 [ 5442.167547][ T7704] do_syscall_64+0xc6/0x1e0 [ 5442.167547][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5442.167547][ T7704] [ 5442.169757][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5442.169757][ T7704] netdev_get_by_index+0x5e/0x80 [ 5442.169757][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5442.169757][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5442.169757][ T7704] ip6_route_add+0x1c/0x140 [ 5442.169757][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5442.169757][ T7704] addrconf_add_dev+0xe2/0x170 [ 5442.169757][ T7704] inet6_addr_add+0x12f/0xa40 [ 5442.169757][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5442.169757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5442.169757][ T7704] netlink_rcv_skb+0x130/0x360 [ 5442.169757][ T7704] netlink_unicast+0x449/0x710 [ 5442.169757][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5442.169757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5442.169757][ T7704] ___sys_sendmsg+0xee/0x170 [ 5442.169757][ T7704] __sys_sendmsg+0xcd/0x170 [ 5442.169757][ T7704] do_syscall_64+0xc6/0x1e0 [ 5442.169757][ T7704] [ 5442.172934][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5442.172934][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5442.172934][ T7704] ipv6_find_idev+0x102/0x170 [ 5442.172934][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5442.172934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5442.172934][ T7704] netlink_rcv_skb+0x130/0x360 [ 5442.172934][ T7704] netlink_unicast+0x449/0x710 [ 5442.172934][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5442.172934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5442.172934][ T7704] ___sys_sendmsg+0xee/0x170 [ 5442.172934][ T7704] __sys_sendmsg+0xcd/0x170 [ 5442.172934][ T7704] do_syscall_64+0xc6/0x1e0 [ 5442.172934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5442.172934][ T7704] [ 5442.175606][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5442.175606][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5442.175606][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5442.175606][ T7704] ipv6_find_idev+0x102/0x170 [ 5442.175606][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5442.175606][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5442.175606][ T7704] netlink_rcv_skb+0x130/0x360 [ 5442.175606][ T7704] netlink_unicast+0x449/0x710 [ 5442.175606][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5442.175606][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5442.175606][ T7704] ___sys_sendmsg+0xee/0x170 [ 5442.175606][ T7704] __sys_sendmsg+0xcd/0x170 [ 5442.175606][ T7704] do_syscall_64+0xc6/0x1e0 [ 5442.175606][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5442.175606][ T7704] [ 5452.420745][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5452.421212][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5452.421212][ T7704] netdev_get_by_index+0x5e/0x80 [ 5452.421212][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5452.421212][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5452.421212][ T7704] ip6_route_add+0x1c/0x140 [ 5452.421212][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5452.421212][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5452.421212][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.421212][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.421212][ T7704] netlink_rcv_skb+0x130/0x360 [ 5452.421212][ T7704] netlink_unicast+0x449/0x710 [ 5452.421212][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5452.421212][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5452.421212][ T7704] ___sys_sendmsg+0xee/0x170 [ 5452.421212][ T7704] __sys_sendmsg+0xcd/0x170 [ 5452.421212][ T7704] do_syscall_64+0xc6/0x1e0 [ 5452.421212][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.421212][ T7704] [ 5452.423452][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5452.423452][ T7704] netdev_get_by_index+0x5e/0x80 [ 5452.423452][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5452.423452][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5452.423452][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5452.423452][ T7704] ipv6_add_addr+0x411/0x2000 [ 5452.423452][ T7704] inet6_addr_add+0x30e/0xa40 [ 5452.423452][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.423452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.423452][ T7704] netlink_rcv_skb+0x130/0x360 [ 5452.423452][ T7704] netlink_unicast+0x449/0x710 [ 5452.423452][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5452.423452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5452.423452][ T7704] ___sys_sendmsg+0xee/0x170 [ 5452.423452][ T7704] __sys_sendmsg+0xcd/0x170 [ 5452.423452][ T7704] do_syscall_64+0xc6/0x1e0 [ 5452.423452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.423452][ T7704] [ 5452.425669][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5452.425669][ T7704] netdev_get_by_index+0x5e/0x80 [ 5452.425669][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5452.425669][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5452.425669][ T7704] ip6_route_add+0x1c/0x140 [ 5452.425669][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5452.425669][ T7704] addrconf_add_dev+0xe2/0x170 [ 5452.425669][ T7704] inet6_addr_add+0x12f/0xa40 [ 5452.425669][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.425669][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.425669][ T7704] netlink_rcv_skb+0x130/0x360 [ 5452.425669][ T7704] netlink_unicast+0x449/0x710 [ 5452.425669][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5452.425669][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5452.425669][ T7704] ___sys_sendmsg+0xee/0x170 [ 5452.425669][ T7704] __sys_sendmsg+0xcd/0x170 [ 5452.425669][ T7704] do_syscall_64+0xc6/0x1e0 [ 5452.425669][ T7704] [ 5452.427954][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5452.427954][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5452.427954][ T7704] ipv6_find_idev+0x102/0x170 [ 5452.427954][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5452.427954][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.427954][ T7704] netlink_rcv_skb+0x130/0x360 [ 5452.427954][ T7704] netlink_unicast+0x449/0x710 [ 5452.427954][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5452.427954][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5452.427954][ T7704] ___sys_sendmsg+0xee/0x170 [ 5452.427954][ T7704] __sys_sendmsg+0xcd/0x170 [ 5452.427954][ T7704] do_syscall_64+0xc6/0x1e0 [ 5452.427954][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.427954][ T7704] [ 5452.429659][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5452.429659][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5452.429659][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5452.429659][ T7704] ipv6_find_idev+0x102/0x170 [ 5452.429659][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5452.429659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.429659][ T7704] netlink_rcv_skb+0x130/0x360 [ 5452.429659][ T7704] netlink_unicast+0x449/0x710 [ 5452.429659][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5452.429659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5452.429659][ T7704] ___sys_sendmsg+0xee/0x170 [ 5452.429659][ T7704] __sys_sendmsg+0xcd/0x170 [ 5452.429659][ T7704] do_syscall_64+0xc6/0x1e0 [ 5452.429659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.429659][ T7704] [ 5462.668765][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5462.669272][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5462.669272][ T7704] netdev_get_by_index+0x5e/0x80 [ 5462.669272][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5462.669272][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5462.669272][ T7704] ip6_route_add+0x1c/0x140 [ 5462.669272][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5462.669272][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5462.669272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.669272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.669272][ T7704] netlink_rcv_skb+0x130/0x360 [ 5462.669272][ T7704] netlink_unicast+0x449/0x710 [ 5462.669272][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5462.669272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5462.669272][ T7704] ___sys_sendmsg+0xee/0x170 [ 5462.669272][ T7704] __sys_sendmsg+0xcd/0x170 [ 5462.669272][ T7704] do_syscall_64+0xc6/0x1e0 [ 5462.669272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.669272][ T7704] [ 5462.671618][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5462.671618][ T7704] netdev_get_by_index+0x5e/0x80 [ 5462.671618][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5462.671618][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5462.671618][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5462.671618][ T7704] ipv6_add_addr+0x411/0x2000 [ 5462.671618][ T7704] inet6_addr_add+0x30e/0xa40 [ 5462.671618][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.671618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.671618][ T7704] netlink_rcv_skb+0x130/0x360 [ 5462.671618][ T7704] netlink_unicast+0x449/0x710 [ 5462.671618][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5462.671618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5462.671618][ T7704] ___sys_sendmsg+0xee/0x170 [ 5462.671618][ T7704] __sys_sendmsg+0xcd/0x170 [ 5462.671618][ T7704] do_syscall_64+0xc6/0x1e0 [ 5462.671618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.671618][ T7704] [ 5462.673939][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5462.673939][ T7704] netdev_get_by_index+0x5e/0x80 [ 5462.673939][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5462.673939][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5462.673939][ T7704] ip6_route_add+0x1c/0x140 [ 5462.673939][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5462.673939][ T7704] addrconf_add_dev+0xe2/0x170 [ 5462.673939][ T7704] inet6_addr_add+0x12f/0xa40 [ 5462.673939][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.673939][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.673939][ T7704] netlink_rcv_skb+0x130/0x360 [ 5462.673939][ T7704] netlink_unicast+0x449/0x710 [ 5462.673939][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5462.673939][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5462.673939][ T7704] ___sys_sendmsg+0xee/0x170 [ 5462.673939][ T7704] __sys_sendmsg+0xcd/0x170 [ 5462.673939][ T7704] do_syscall_64+0xc6/0x1e0 [ 5462.673939][ T7704] [ 5462.676160][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5462.676160][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5462.676160][ T7704] ipv6_find_idev+0x102/0x170 [ 5462.676160][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5462.676160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.676160][ T7704] netlink_rcv_skb+0x130/0x360 [ 5462.676160][ T7704] netlink_unicast+0x449/0x710 [ 5462.676160][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5462.676160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5462.676160][ T7704] ___sys_sendmsg+0xee/0x170 [ 5462.676160][ T7704] __sys_sendmsg+0xcd/0x170 [ 5462.676160][ T7704] do_syscall_64+0xc6/0x1e0 [ 5462.676160][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.676160][ T7704] [ 5462.677848][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5462.677848][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5462.677848][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5462.677848][ T7704] ipv6_find_idev+0x102/0x170 [ 5462.677848][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5462.677848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.677848][ T7704] netlink_rcv_skb+0x130/0x360 [ 5462.677848][ T7704] netlink_unicast+0x449/0x710 [ 5462.677848][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5462.677848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5462.677848][ T7704] ___sys_sendmsg+0xee/0x170 [ 5462.677848][ T7704] __sys_sendmsg+0xcd/0x170 [ 5462.677848][ T7704] do_syscall_64+0xc6/0x1e0 [ 5462.677848][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.677848][ T7704] [ 5472.916766][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5472.917239][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5472.917239][ T7704] netdev_get_by_index+0x5e/0x80 [ 5472.917239][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5472.917239][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5472.917239][ T7704] ip6_route_add+0x1c/0x140 [ 5472.917239][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5472.917239][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5472.917239][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5472.917239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.917239][ T7704] netlink_rcv_skb+0x130/0x360 [ 5472.917239][ T7704] netlink_unicast+0x449/0x710 [ 5472.917239][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5472.917239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5472.917239][ T7704] ___sys_sendmsg+0xee/0x170 [ 5472.917239][ T7704] __sys_sendmsg+0xcd/0x170 [ 5472.917239][ T7704] do_syscall_64+0xc6/0x1e0 [ 5472.917239][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.917239][ T7704] [ 5472.919462][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5472.919462][ T7704] netdev_get_by_index+0x5e/0x80 [ 5472.919462][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5472.919462][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5472.919462][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5472.919462][ T7704] ipv6_add_addr+0x411/0x2000 [ 5472.919462][ T7704] inet6_addr_add+0x30e/0xa40 [ 5472.919462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5472.919462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.919462][ T7704] netlink_rcv_skb+0x130/0x360 [ 5472.919462][ T7704] netlink_unicast+0x449/0x710 [ 5472.919462][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5472.919462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5472.919462][ T7704] ___sys_sendmsg+0xee/0x170 [ 5472.919462][ T7704] __sys_sendmsg+0xcd/0x170 [ 5472.919462][ T7704] do_syscall_64+0xc6/0x1e0 [ 5472.919462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.919462][ T7704] [ 5472.921663][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5472.921663][ T7704] netdev_get_by_index+0x5e/0x80 [ 5472.921663][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5472.921663][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5472.921663][ T7704] ip6_route_add+0x1c/0x140 [ 5472.921663][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5472.921663][ T7704] addrconf_add_dev+0xe2/0x170 [ 5472.921663][ T7704] inet6_addr_add+0x12f/0xa40 [ 5472.921663][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5472.921663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.921663][ T7704] netlink_rcv_skb+0x130/0x360 [ 5472.921663][ T7704] netlink_unicast+0x449/0x710 [ 5472.921663][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5472.921663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5472.921663][ T7704] ___sys_sendmsg+0xee/0x170 [ 5472.921663][ T7704] __sys_sendmsg+0xcd/0x170 [ 5472.921663][ T7704] do_syscall_64+0xc6/0x1e0 [ 5472.921663][ T7704] [ 5472.923884][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5472.923884][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5472.923884][ T7704] ipv6_find_idev+0x102/0x170 [ 5472.923884][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5472.923884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.923884][ T7704] netlink_rcv_skb+0x130/0x360 [ 5472.923884][ T7704] netlink_unicast+0x449/0x710 [ 5472.923884][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5472.923884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5472.923884][ T7704] ___sys_sendmsg+0xee/0x170 [ 5472.923884][ T7704] __sys_sendmsg+0xcd/0x170 [ 5472.923884][ T7704] do_syscall_64+0xc6/0x1e0 [ 5472.923884][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.923884][ T7704] [ 5472.925675][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5472.925675][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5472.925675][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5472.925675][ T7704] ipv6_find_idev+0x102/0x170 [ 5472.925675][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5472.925675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.925675][ T7704] netlink_rcv_skb+0x130/0x360 [ 5472.925675][ T7704] netlink_unicast+0x449/0x710 [ 5472.925675][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5472.925675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5472.925675][ T7704] ___sys_sendmsg+0xee/0x170 [ 5472.925675][ T7704] __sys_sendmsg+0xcd/0x170 [ 5472.925675][ T7704] do_syscall_64+0xc6/0x1e0 [ 5472.925675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.925675][ T7704] [ 5483.164858][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5483.165366][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5483.165366][ T7704] netdev_get_by_index+0x5e/0x80 [ 5483.165366][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5483.165366][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5483.165366][ T7704] ip6_route_add+0x1c/0x140 [ 5483.165366][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5483.165366][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5483.165366][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5483.165366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5483.165366][ T7704] netlink_rcv_skb+0x130/0x360 [ 5483.165366][ T7704] netlink_unicast+0x449/0x710 [ 5483.165366][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5483.165366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5483.165366][ T7704] ___sys_sendmsg+0xee/0x170 [ 5483.165366][ T7704] __sys_sendmsg+0xcd/0x170 [ 5483.165366][ T7704] do_syscall_64+0xc6/0x1e0 [ 5483.165366][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5483.165366][ T7704] [ 5483.167609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5483.167609][ T7704] netdev_get_by_index+0x5e/0x80 [ 5483.167609][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5483.167609][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5483.167609][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5483.167609][ T7704] ipv6_add_addr+0x411/0x2000 [ 5483.167609][ T7704] inet6_addr_add+0x30e/0xa40 [ 5483.167609][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5483.167609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5483.167609][ T7704] netlink_rcv_skb+0x130/0x360 [ 5483.167609][ T7704] netlink_unicast+0x449/0x710 [ 5483.167609][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5483.167609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5483.167609][ T7704] ___sys_sendmsg+0xee/0x170 [ 5483.167609][ T7704] __sys_sendmsg+0xcd/0x170 [ 5483.167609][ T7704] do_syscall_64+0xc6/0x1e0 [ 5483.167609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5483.167609][ T7704] [ 5483.169841][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5483.169841][ T7704] netdev_get_by_index+0x5e/0x80 [ 5483.169841][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5483.169841][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5483.169841][ T7704] ip6_route_add+0x1c/0x140 [ 5483.169841][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5483.169841][ T7704] addrconf_add_dev+0xe2/0x170 [ 5483.169841][ T7704] inet6_addr_add+0x12f/0xa40 [ 5483.169841][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5483.169841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5483.169841][ T7704] netlink_rcv_skb+0x130/0x360 [ 5483.169841][ T7704] netlink_unicast+0x449/0x710 [ 5483.169841][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5483.169841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5483.169841][ T7704] ___sys_sendmsg+0xee/0x170 [ 5483.169841][ T7704] __sys_sendmsg+0xcd/0x170 [ 5483.169841][ T7704] do_syscall_64+0xc6/0x1e0 [ 5483.169841][ T7704] [ 5483.172027][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5483.172027][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5483.172027][ T7704] ipv6_find_idev+0x102/0x170 [ 5483.172027][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5483.172027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5483.172027][ T7704] netlink_rcv_skb+0x130/0x360 [ 5483.172027][ T7704] netlink_unicast+0x449/0x710 [ 5483.172027][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5483.172027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5483.172027][ T7704] ___sys_sendmsg+0xee/0x170 [ 5483.172027][ T7704] __sys_sendmsg+0xcd/0x170 [ 5483.172027][ T7704] do_syscall_64+0xc6/0x1e0 [ 5483.172027][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5483.172027][ T7704] [ 5483.173729][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5483.173729][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5483.173729][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5483.173729][ T7704] ipv6_find_idev+0x102/0x170 [ 5483.173729][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5483.173729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5483.173729][ T7704] netlink_rcv_skb+0x130/0x360 [ 5483.173729][ T7704] netlink_unicast+0x449/0x710 [ 5483.173729][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5483.173729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5483.173729][ T7704] ___sys_sendmsg+0xee/0x170 [ 5483.173729][ T7704] __sys_sendmsg+0xcd/0x170 [ 5483.173729][ T7704] do_syscall_64+0xc6/0x1e0 [ 5483.173729][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5483.173729][ T7704] [ 5493.412811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5493.413288][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5493.413288][ T7704] netdev_get_by_index+0x5e/0x80 [ 5493.413288][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5493.413288][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5493.413288][ T7704] ip6_route_add+0x1c/0x140 [ 5493.413288][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5493.413288][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5493.413288][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.413288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.413288][ T7704] netlink_rcv_skb+0x130/0x360 [ 5493.413288][ T7704] netlink_unicast+0x449/0x710 [ 5493.413288][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5493.413288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5493.413288][ T7704] ___sys_sendmsg+0xee/0x170 [ 5493.413288][ T7704] __sys_sendmsg+0xcd/0x170 [ 5493.413288][ T7704] do_syscall_64+0xc6/0x1e0 [ 5493.413288][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.413288][ T7704] [ 5493.415557][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5493.415557][ T7704] netdev_get_by_index+0x5e/0x80 [ 5493.415557][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5493.415557][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5493.415557][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5493.415557][ T7704] ipv6_add_addr+0x411/0x2000 [ 5493.415557][ T7704] inet6_addr_add+0x30e/0xa40 [ 5493.415557][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.415557][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.415557][ T7704] netlink_rcv_skb+0x130/0x360 [ 5493.415557][ T7704] netlink_unicast+0x449/0x710 [ 5493.415557][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5493.415557][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5493.415557][ T7704] ___sys_sendmsg+0xee/0x170 [ 5493.415557][ T7704] __sys_sendmsg+0xcd/0x170 [ 5493.415557][ T7704] do_syscall_64+0xc6/0x1e0 [ 5493.415557][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.415557][ T7704] [ 5493.417780][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5493.417780][ T7704] netdev_get_by_index+0x5e/0x80 [ 5493.417780][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5493.417780][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5493.417780][ T7704] ip6_route_add+0x1c/0x140 [ 5493.417780][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5493.417780][ T7704] addrconf_add_dev+0xe2/0x170 [ 5493.417780][ T7704] inet6_addr_add+0x12f/0xa40 [ 5493.417780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.417780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.417780][ T7704] netlink_rcv_skb+0x130/0x360 [ 5493.417780][ T7704] netlink_unicast+0x449/0x710 [ 5493.417780][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5493.417780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5493.417780][ T7704] ___sys_sendmsg+0xee/0x170 [ 5493.417780][ T7704] __sys_sendmsg+0xcd/0x170 [ 5493.417780][ T7704] do_syscall_64+0xc6/0x1e0 [ 5493.417780][ T7704] [ 5493.419947][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5493.419947][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5493.419947][ T7704] ipv6_find_idev+0x102/0x170 [ 5493.419947][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5493.419947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.419947][ T7704] netlink_rcv_skb+0x130/0x360 [ 5493.419947][ T7704] netlink_unicast+0x449/0x710 [ 5493.419947][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5493.419947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5493.419947][ T7704] ___sys_sendmsg+0xee/0x170 [ 5493.419947][ T7704] __sys_sendmsg+0xcd/0x170 [ 5493.419947][ T7704] do_syscall_64+0xc6/0x1e0 [ 5493.419947][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.419947][ T7704] [ 5493.421648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5493.421648][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5493.421648][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5493.421648][ T7704] ipv6_find_idev+0x102/0x170 [ 5493.421648][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5493.421648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.421648][ T7704] netlink_rcv_skb+0x130/0x360 [ 5493.421648][ T7704] netlink_unicast+0x449/0x710 [ 5493.421648][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5493.421648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5493.421648][ T7704] ___sys_sendmsg+0xee/0x170 [ 5493.421648][ T7704] __sys_sendmsg+0xcd/0x170 [ 5493.421648][ T7704] do_syscall_64+0xc6/0x1e0 [ 5493.421648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.421648][ T7704] [ 5503.660838][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5503.661342][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5503.661342][ T7704] netdev_get_by_index+0x5e/0x80 [ 5503.661342][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5503.661342][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5503.661342][ T7704] ip6_route_add+0x1c/0x140 [ 5503.661342][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5503.661342][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5503.661342][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.661342][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.661342][ T7704] netlink_rcv_skb+0x130/0x360 [ 5503.661342][ T7704] netlink_unicast+0x449/0x710 [ 5503.661342][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5503.661342][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5503.661342][ T7704] ___sys_sendmsg+0xee/0x170 [ 5503.661342][ T7704] __sys_sendmsg+0xcd/0x170 [ 5503.661342][ T7704] do_syscall_64+0xc6/0x1e0 [ 5503.661342][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.661342][ T7704] [ 5503.663627][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5503.663627][ T7704] netdev_get_by_index+0x5e/0x80 [ 5503.663627][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5503.663627][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5503.663627][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5503.663627][ T7704] ipv6_add_addr+0x411/0x2000 [ 5503.663627][ T7704] inet6_addr_add+0x30e/0xa40 [ 5503.663627][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.663627][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.663627][ T7704] netlink_rcv_skb+0x130/0x360 [ 5503.663627][ T7704] netlink_unicast+0x449/0x710 [ 5503.663627][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5503.663627][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5503.663627][ T7704] ___sys_sendmsg+0xee/0x170 [ 5503.663627][ T7704] __sys_sendmsg+0xcd/0x170 [ 5503.663627][ T7704] do_syscall_64+0xc6/0x1e0 [ 5503.663627][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.663627][ T7704] [ 5503.665893][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5503.665893][ T7704] netdev_get_by_index+0x5e/0x80 [ 5503.665893][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5503.665893][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5503.665893][ T7704] ip6_route_add+0x1c/0x140 [ 5503.665893][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5503.665893][ T7704] addrconf_add_dev+0xe2/0x170 [ 5503.665893][ T7704] inet6_addr_add+0x12f/0xa40 [ 5503.665893][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.665893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.665893][ T7704] netlink_rcv_skb+0x130/0x360 [ 5503.665893][ T7704] netlink_unicast+0x449/0x710 [ 5503.665893][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5503.665893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5503.665893][ T7704] ___sys_sendmsg+0xee/0x170 [ 5503.665893][ T7704] __sys_sendmsg+0xcd/0x170 [ 5503.665893][ T7704] do_syscall_64+0xc6/0x1e0 [ 5503.665893][ T7704] [ 5503.668089][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5503.668089][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5503.668089][ T7704] ipv6_find_idev+0x102/0x170 [ 5503.668089][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5503.668089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.668089][ T7704] netlink_rcv_skb+0x130/0x360 [ 5503.668089][ T7704] netlink_unicast+0x449/0x710 [ 5503.668089][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5503.668089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5503.668089][ T7704] ___sys_sendmsg+0xee/0x170 [ 5503.668089][ T7704] __sys_sendmsg+0xcd/0x170 [ 5503.668089][ T7704] do_syscall_64+0xc6/0x1e0 [ 5503.668089][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.668089][ T7704] [ 5503.669822][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5503.669822][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5503.669822][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5503.669822][ T7704] ipv6_find_idev+0x102/0x170 [ 5503.669822][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5503.669822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.669822][ T7704] netlink_rcv_skb+0x130/0x360 [ 5503.669822][ T7704] netlink_unicast+0x449/0x710 [ 5503.669822][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5503.669822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5503.669822][ T7704] ___sys_sendmsg+0xee/0x170 [ 5503.669822][ T7704] __sys_sendmsg+0xcd/0x170 [ 5503.669822][ T7704] do_syscall_64+0xc6/0x1e0 [ 5503.669822][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.669822][ T7704] [ 5513.908811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5513.909299][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5513.909299][ T7704] netdev_get_by_index+0x5e/0x80 [ 5513.909299][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5513.909299][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5513.909299][ T7704] ip6_route_add+0x1c/0x140 [ 5513.909299][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5513.909299][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5513.909299][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.909299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.909299][ T7704] netlink_rcv_skb+0x130/0x360 [ 5513.909299][ T7704] netlink_unicast+0x449/0x710 [ 5513.909299][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5513.909299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5513.909299][ T7704] ___sys_sendmsg+0xee/0x170 [ 5513.909299][ T7704] __sys_sendmsg+0xcd/0x170 [ 5513.909299][ T7704] do_syscall_64+0xc6/0x1e0 [ 5513.909299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.909299][ T7704] [ 5513.911564][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5513.911564][ T7704] netdev_get_by_index+0x5e/0x80 [ 5513.911564][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5513.911564][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5513.911564][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5513.911564][ T7704] ipv6_add_addr+0x411/0x2000 [ 5513.911564][ T7704] inet6_addr_add+0x30e/0xa40 [ 5513.911564][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.911564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.911564][ T7704] netlink_rcv_skb+0x130/0x360 [ 5513.911564][ T7704] netlink_unicast+0x449/0x710 [ 5513.911564][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5513.911564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5513.911564][ T7704] ___sys_sendmsg+0xee/0x170 [ 5513.911564][ T7704] __sys_sendmsg+0xcd/0x170 [ 5513.911564][ T7704] do_syscall_64+0xc6/0x1e0 [ 5513.911564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.911564][ T7704] [ 5513.913800][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5513.913800][ T7704] netdev_get_by_index+0x5e/0x80 [ 5513.913800][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5513.913800][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5513.913800][ T7704] ip6_route_add+0x1c/0x140 [ 5513.913800][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5513.913800][ T7704] addrconf_add_dev+0xe2/0x170 [ 5513.913800][ T7704] inet6_addr_add+0x12f/0xa40 [ 5513.913800][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.913800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.913800][ T7704] netlink_rcv_skb+0x130/0x360 [ 5513.913800][ T7704] netlink_unicast+0x449/0x710 [ 5513.913800][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5513.913800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5513.913800][ T7704] ___sys_sendmsg+0xee/0x170 [ 5513.913800][ T7704] __sys_sendmsg+0xcd/0x170 [ 5513.913800][ T7704] do_syscall_64+0xc6/0x1e0 [ 5513.913800][ T7704] [ 5513.916003][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5513.916003][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5513.916003][ T7704] ipv6_find_idev+0x102/0x170 [ 5513.916003][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5513.916003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.916003][ T7704] netlink_rcv_skb+0x130/0x360 [ 5513.916003][ T7704] netlink_unicast+0x449/0x710 [ 5513.916003][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5513.916003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5513.916003][ T7704] ___sys_sendmsg+0xee/0x170 [ 5513.916003][ T7704] __sys_sendmsg+0xcd/0x170 [ 5513.916003][ T7704] do_syscall_64+0xc6/0x1e0 [ 5513.916003][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.916003][ T7704] [ 5513.917723][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5513.917723][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5513.917723][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5513.917723][ T7704] ipv6_find_idev+0x102/0x170 [ 5513.917723][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5513.917723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.917723][ T7704] netlink_rcv_skb+0x130/0x360 [ 5513.917723][ T7704] netlink_unicast+0x449/0x710 [ 5513.917723][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5513.917723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5513.917723][ T7704] ___sys_sendmsg+0xee/0x170 [ 5513.917723][ T7704] __sys_sendmsg+0xcd/0x170 [ 5513.917723][ T7704] do_syscall_64+0xc6/0x1e0 [ 5513.917723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.917723][ T7704] [ 5524.156832][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5524.157336][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5524.157336][ T7704] netdev_get_by_index+0x5e/0x80 [ 5524.157336][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5524.157336][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5524.157336][ T7704] ip6_route_add+0x1c/0x140 [ 5524.157336][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5524.157336][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5524.157336][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5524.157336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5524.157336][ T7704] netlink_rcv_skb+0x130/0x360 [ 5524.157336][ T7704] netlink_unicast+0x449/0x710 [ 5524.157336][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5524.157336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5524.157336][ T7704] ___sys_sendmsg+0xee/0x170 [ 5524.157336][ T7704] __sys_sendmsg+0xcd/0x170 [ 5524.157336][ T7704] do_syscall_64+0xc6/0x1e0 [ 5524.157336][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5524.157336][ T7704] [ 5524.159591][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5524.159591][ T7704] netdev_get_by_index+0x5e/0x80 [ 5524.159591][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5524.159591][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5524.159591][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5524.159591][ T7704] ipv6_add_addr+0x411/0x2000 [ 5524.159591][ T7704] inet6_addr_add+0x30e/0xa40 [ 5524.159591][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5524.159591][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5524.159591][ T7704] netlink_rcv_skb+0x130/0x360 [ 5524.159591][ T7704] netlink_unicast+0x449/0x710 [ 5524.159591][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5524.159591][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5524.159591][ T7704] ___sys_sendmsg+0xee/0x170 [ 5524.159591][ T7704] __sys_sendmsg+0xcd/0x170 [ 5524.159591][ T7704] do_syscall_64+0xc6/0x1e0 [ 5524.159591][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5524.159591][ T7704] [ 5524.162376][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5524.162376][ T7704] netdev_get_by_index+0x5e/0x80 [ 5524.162376][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5524.162376][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5524.162376][ T7704] ip6_route_add+0x1c/0x140 [ 5524.162376][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5524.162376][ T7704] addrconf_add_dev+0xe2/0x170 [ 5524.162376][ T7704] inet6_addr_add+0x12f/0xa40 [ 5524.162376][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5524.162376][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5524.162376][ T7704] netlink_rcv_skb+0x130/0x360 [ 5524.162376][ T7704] netlink_unicast+0x449/0x710 [ 5524.162376][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5524.162376][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5524.162376][ T7704] ___sys_sendmsg+0xee/0x170 [ 5524.162376][ T7704] __sys_sendmsg+0xcd/0x170 [ 5524.162376][ T7704] do_syscall_64+0xc6/0x1e0 [ 5524.162376][ T7704] [ 5524.164576][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5524.164576][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5524.164576][ T7704] ipv6_find_idev+0x102/0x170 [ 5524.164576][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5524.164576][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5524.164576][ T7704] netlink_rcv_skb+0x130/0x360 [ 5524.164576][ T7704] netlink_unicast+0x449/0x710 [ 5524.164576][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5524.164576][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5524.164576][ T7704] ___sys_sendmsg+0xee/0x170 [ 5524.164576][ T7704] __sys_sendmsg+0xcd/0x170 [ 5524.164576][ T7704] do_syscall_64+0xc6/0x1e0 [ 5524.164576][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5524.164576][ T7704] [ 5524.166690][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5524.166690][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5524.166690][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5524.166690][ T7704] ipv6_find_idev+0x102/0x170 [ 5524.166690][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5524.166690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5524.166690][ T7704] netlink_rcv_skb+0x130/0x360 [ 5524.166690][ T7704] netlink_unicast+0x449/0x710 [ 5524.166690][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5524.166690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5524.166690][ T7704] ___sys_sendmsg+0xee/0x170 [ 5524.166690][ T7704] __sys_sendmsg+0xcd/0x170 [ 5524.166690][ T7704] do_syscall_64+0xc6/0x1e0 [ 5524.166690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5524.166690][ T7704] [ 5534.404845][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5534.405333][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5534.405333][ T7704] netdev_get_by_index+0x5e/0x80 [ 5534.405333][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5534.405333][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5534.405333][ T7704] ip6_route_add+0x1c/0x140 [ 5534.405333][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5534.405333][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5534.405333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.405333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.405333][ T7704] netlink_rcv_skb+0x130/0x360 [ 5534.405333][ T7704] netlink_unicast+0x449/0x710 [ 5534.405333][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5534.405333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5534.405333][ T7704] ___sys_sendmsg+0xee/0x170 [ 5534.405333][ T7704] __sys_sendmsg+0xcd/0x170 [ 5534.405333][ T7704] do_syscall_64+0xc6/0x1e0 [ 5534.405333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.405333][ T7704] [ 5534.407557][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5534.407557][ T7704] netdev_get_by_index+0x5e/0x80 [ 5534.407557][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5534.407557][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5534.407557][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5534.407557][ T7704] ipv6_add_addr+0x411/0x2000 [ 5534.407557][ T7704] inet6_addr_add+0x30e/0xa40 [ 5534.407557][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.407557][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.407557][ T7704] netlink_rcv_skb+0x130/0x360 [ 5534.407557][ T7704] netlink_unicast+0x449/0x710 [ 5534.407557][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5534.407557][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5534.407557][ T7704] ___sys_sendmsg+0xee/0x170 [ 5534.407557][ T7704] __sys_sendmsg+0xcd/0x170 [ 5534.407557][ T7704] do_syscall_64+0xc6/0x1e0 [ 5534.407557][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.407557][ T7704] [ 5534.409766][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5534.409766][ T7704] netdev_get_by_index+0x5e/0x80 [ 5534.409766][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5534.409766][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5534.409766][ T7704] ip6_route_add+0x1c/0x140 [ 5534.409766][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5534.409766][ T7704] addrconf_add_dev+0xe2/0x170 [ 5534.409766][ T7704] inet6_addr_add+0x12f/0xa40 [ 5534.409766][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.409766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.409766][ T7704] netlink_rcv_skb+0x130/0x360 [ 5534.409766][ T7704] netlink_unicast+0x449/0x710 [ 5534.409766][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5534.409766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5534.409766][ T7704] ___sys_sendmsg+0xee/0x170 [ 5534.409766][ T7704] __sys_sendmsg+0xcd/0x170 [ 5534.409766][ T7704] do_syscall_64+0xc6/0x1e0 [ 5534.409766][ T7704] [ 5534.411945][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5534.411945][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5534.411945][ T7704] ipv6_find_idev+0x102/0x170 [ 5534.411945][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5534.411945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.411945][ T7704] netlink_rcv_skb+0x130/0x360 [ 5534.411945][ T7704] netlink_unicast+0x449/0x710 [ 5534.411945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5534.411945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5534.411945][ T7704] ___sys_sendmsg+0xee/0x170 [ 5534.411945][ T7704] __sys_sendmsg+0xcd/0x170 [ 5534.411945][ T7704] do_syscall_64+0xc6/0x1e0 [ 5534.411945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.411945][ T7704] [ 5534.413639][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5534.413639][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5534.413639][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5534.413639][ T7704] ipv6_find_idev+0x102/0x170 [ 5534.413639][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5534.413639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.413639][ T7704] netlink_rcv_skb+0x130/0x360 [ 5534.413639][ T7704] netlink_unicast+0x449/0x710 [ 5534.413639][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5534.413639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5534.413639][ T7704] ___sys_sendmsg+0xee/0x170 [ 5534.413639][ T7704] __sys_sendmsg+0xcd/0x170 [ 5534.413639][ T7704] do_syscall_64+0xc6/0x1e0 [ 5534.413639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.413639][ T7704] [ 5544.588847][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5544.589355][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5544.589355][ T7704] netdev_get_by_index+0x5e/0x80 [ 5544.589355][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5544.589355][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5544.589355][ T7704] ip6_route_add+0x1c/0x140 [ 5544.589355][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5544.589355][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5544.589355][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5544.589355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.589355][ T7704] netlink_rcv_skb+0x130/0x360 [ 5544.589355][ T7704] netlink_unicast+0x449/0x710 [ 5544.589355][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5544.589355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5544.589355][ T7704] ___sys_sendmsg+0xee/0x170 [ 5544.589355][ T7704] __sys_sendmsg+0xcd/0x170 [ 5544.589355][ T7704] do_syscall_64+0xc6/0x1e0 [ 5544.589355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.589355][ T7704] [ 5544.591641][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5544.591641][ T7704] netdev_get_by_index+0x5e/0x80 [ 5544.591641][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5544.591641][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5544.591641][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5544.591641][ T7704] ipv6_add_addr+0x411/0x2000 [ 5544.591641][ T7704] inet6_addr_add+0x30e/0xa40 [ 5544.591641][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5544.591641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.591641][ T7704] netlink_rcv_skb+0x130/0x360 [ 5544.591641][ T7704] netlink_unicast+0x449/0x710 [ 5544.591641][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5544.591641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5544.591641][ T7704] ___sys_sendmsg+0xee/0x170 [ 5544.591641][ T7704] __sys_sendmsg+0xcd/0x170 [ 5544.591641][ T7704] do_syscall_64+0xc6/0x1e0 [ 5544.591641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.591641][ T7704] [ 5544.593838][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5544.593838][ T7704] netdev_get_by_index+0x5e/0x80 [ 5544.593838][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5544.593838][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5544.593838][ T7704] ip6_route_add+0x1c/0x140 [ 5544.593838][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5544.593838][ T7704] addrconf_add_dev+0xe2/0x170 [ 5544.593838][ T7704] inet6_addr_add+0x12f/0xa40 [ 5544.593838][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5544.593838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.593838][ T7704] netlink_rcv_skb+0x130/0x360 [ 5544.593838][ T7704] netlink_unicast+0x449/0x710 [ 5544.593838][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5544.593838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5544.593838][ T7704] ___sys_sendmsg+0xee/0x170 [ 5544.593838][ T7704] __sys_sendmsg+0xcd/0x170 [ 5544.593838][ T7704] do_syscall_64+0xc6/0x1e0 [ 5544.593838][ T7704] [ 5544.596011][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5544.596011][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5544.596011][ T7704] ipv6_find_idev+0x102/0x170 [ 5544.596011][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5544.596011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.596011][ T7704] netlink_rcv_skb+0x130/0x360 [ 5544.596011][ T7704] netlink_unicast+0x449/0x710 [ 5544.596011][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5544.596011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5544.596011][ T7704] ___sys_sendmsg+0xee/0x170 [ 5544.596011][ T7704] __sys_sendmsg+0xcd/0x170 [ 5544.596011][ T7704] do_syscall_64+0xc6/0x1e0 [ 5544.596011][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.596011][ T7704] [ 5544.597714][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5544.597714][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5544.597714][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5544.597714][ T7704] ipv6_find_idev+0x102/0x170 [ 5544.597714][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5544.597714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.597714][ T7704] netlink_rcv_skb+0x130/0x360 [ 5544.597714][ T7704] netlink_unicast+0x449/0x710 [ 5544.597714][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5544.597714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5544.597714][ T7704] ___sys_sendmsg+0xee/0x170 [ 5544.597714][ T7704] __sys_sendmsg+0xcd/0x170 [ 5544.597714][ T7704] do_syscall_64+0xc6/0x1e0 [ 5544.597714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.597714][ T7704] [ 5554.780834][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5554.781317][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5554.781317][ T7704] netdev_get_by_index+0x5e/0x80 [ 5554.781317][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5554.781317][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5554.781317][ T7704] ip6_route_add+0x1c/0x140 [ 5554.781317][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5554.781317][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5554.781317][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5554.781317][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.781317][ T7704] netlink_rcv_skb+0x130/0x360 [ 5554.781317][ T7704] netlink_unicast+0x449/0x710 [ 5554.781317][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5554.781317][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5554.781317][ T7704] ___sys_sendmsg+0xee/0x170 [ 5554.781317][ T7704] __sys_sendmsg+0xcd/0x170 [ 5554.781317][ T7704] do_syscall_64+0xc6/0x1e0 [ 5554.781317][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.781317][ T7704] [ 5554.783567][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5554.783567][ T7704] netdev_get_by_index+0x5e/0x80 [ 5554.783567][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5554.783567][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5554.783567][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5554.783567][ T7704] ipv6_add_addr+0x411/0x2000 [ 5554.783567][ T7704] inet6_addr_add+0x30e/0xa40 [ 5554.783567][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5554.783567][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.783567][ T7704] netlink_rcv_skb+0x130/0x360 [ 5554.783567][ T7704] netlink_unicast+0x449/0x710 [ 5554.783567][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5554.783567][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5554.783567][ T7704] ___sys_sendmsg+0xee/0x170 [ 5554.783567][ T7704] __sys_sendmsg+0xcd/0x170 [ 5554.783567][ T7704] do_syscall_64+0xc6/0x1e0 [ 5554.783567][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.783567][ T7704] [ 5554.785782][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5554.785782][ T7704] netdev_get_by_index+0x5e/0x80 [ 5554.785782][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5554.785782][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5554.785782][ T7704] ip6_route_add+0x1c/0x140 [ 5554.785782][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5554.785782][ T7704] addrconf_add_dev+0xe2/0x170 [ 5554.785782][ T7704] inet6_addr_add+0x12f/0xa40 [ 5554.785782][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5554.785782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.785782][ T7704] netlink_rcv_skb+0x130/0x360 [ 5554.785782][ T7704] netlink_unicast+0x449/0x710 [ 5554.785782][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5554.785782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5554.785782][ T7704] ___sys_sendmsg+0xee/0x170 [ 5554.785782][ T7704] __sys_sendmsg+0xcd/0x170 [ 5554.785782][ T7704] do_syscall_64+0xc6/0x1e0 [ 5554.785782][ T7704] [ 5554.787962][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5554.787962][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5554.787962][ T7704] ipv6_find_idev+0x102/0x170 [ 5554.787962][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5554.787962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.787962][ T7704] netlink_rcv_skb+0x130/0x360 [ 5554.787962][ T7704] netlink_unicast+0x449/0x710 [ 5554.787962][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5554.787962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5554.787962][ T7704] ___sys_sendmsg+0xee/0x170 [ 5554.787962][ T7704] __sys_sendmsg+0xcd/0x170 [ 5554.787962][ T7704] do_syscall_64+0xc6/0x1e0 [ 5554.787962][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.787962][ T7704] [ 5554.789659][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5554.789659][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5554.789659][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5554.789659][ T7704] ipv6_find_idev+0x102/0x170 [ 5554.789659][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5554.789659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.789659][ T7704] netlink_rcv_skb+0x130/0x360 [ 5554.789659][ T7704] netlink_unicast+0x449/0x710 [ 5554.789659][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5554.789659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5554.789659][ T7704] ___sys_sendmsg+0xee/0x170 [ 5554.789659][ T7704] __sys_sendmsg+0xcd/0x170 [ 5554.789659][ T7704] do_syscall_64+0xc6/0x1e0 [ 5554.789659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.789659][ T7704] [ 5564.884808][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5564.885318][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5564.885318][ T7704] netdev_get_by_index+0x5e/0x80 [ 5564.885318][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5564.885318][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5564.885318][ T7704] ip6_route_add+0x1c/0x140 [ 5564.885318][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5564.885318][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5564.885318][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5564.885318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.885318][ T7704] netlink_rcv_skb+0x130/0x360 [ 5564.885318][ T7704] netlink_unicast+0x449/0x710 [ 5564.885318][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5564.885318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5564.885318][ T7704] ___sys_sendmsg+0xee/0x170 [ 5564.885318][ T7704] __sys_sendmsg+0xcd/0x170 [ 5564.885318][ T7704] do_syscall_64+0xc6/0x1e0 [ 5564.885318][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.885318][ T7704] [ 5564.887546][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5564.887546][ T7704] netdev_get_by_index+0x5e/0x80 [ 5564.887546][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5564.887546][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5564.887546][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5564.887546][ T7704] ipv6_add_addr+0x411/0x2000 [ 5564.887546][ T7704] inet6_addr_add+0x30e/0xa40 [ 5564.887546][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5564.887546][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.887546][ T7704] netlink_rcv_skb+0x130/0x360 [ 5564.887546][ T7704] netlink_unicast+0x449/0x710 [ 5564.887546][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5564.887546][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5564.887546][ T7704] ___sys_sendmsg+0xee/0x170 [ 5564.887546][ T7704] __sys_sendmsg+0xcd/0x170 [ 5564.887546][ T7704] do_syscall_64+0xc6/0x1e0 [ 5564.887546][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.887546][ T7704] [ 5564.890274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5564.890274][ T7704] netdev_get_by_index+0x5e/0x80 [ 5564.890274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5564.890274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5564.890274][ T7704] ip6_route_add+0x1c/0x140 [ 5564.890274][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5564.890274][ T7704] addrconf_add_dev+0xe2/0x170 [ 5564.890274][ T7704] inet6_addr_add+0x12f/0xa40 [ 5564.890274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5564.890274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.890274][ T7704] netlink_rcv_skb+0x130/0x360 [ 5564.890274][ T7704] netlink_unicast+0x449/0x710 [ 5564.890274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5564.890274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5564.890274][ T7704] ___sys_sendmsg+0xee/0x170 [ 5564.890274][ T7704] __sys_sendmsg+0xcd/0x170 [ 5564.890274][ T7704] do_syscall_64+0xc6/0x1e0 [ 5564.890274][ T7704] [ 5564.892439][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5564.892439][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5564.892439][ T7704] ipv6_find_idev+0x102/0x170 [ 5564.892439][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5564.892439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.892439][ T7704] netlink_rcv_skb+0x130/0x360 [ 5564.892439][ T7704] netlink_unicast+0x449/0x710 [ 5564.892439][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5564.892439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5564.892439][ T7704] ___sys_sendmsg+0xee/0x170 [ 5564.892439][ T7704] __sys_sendmsg+0xcd/0x170 [ 5564.892439][ T7704] do_syscall_64+0xc6/0x1e0 [ 5564.892439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.892439][ T7704] [ 5564.894134][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5564.894134][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5564.894134][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5564.894134][ T7704] ipv6_find_idev+0x102/0x170 [ 5564.894134][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5564.894134][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.894134][ T7704] netlink_rcv_skb+0x130/0x360 [ 5564.894134][ T7704] netlink_unicast+0x449/0x710 [ 5564.894134][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5564.894134][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5564.894134][ T7704] ___sys_sendmsg+0xee/0x170 [ 5564.894134][ T7704] __sys_sendmsg+0xcd/0x170 [ 5564.894134][ T7704] do_syscall_64+0xc6/0x1e0 [ 5564.894134][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.894134][ T7704] [ 5575.132791][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5575.133265][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5575.133265][ T7704] netdev_get_by_index+0x5e/0x80 [ 5575.133265][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5575.133265][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5575.133265][ T7704] ip6_route_add+0x1c/0x140 [ 5575.133265][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5575.133265][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5575.133265][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.133265][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.133265][ T7704] netlink_rcv_skb+0x130/0x360 [ 5575.133265][ T7704] netlink_unicast+0x449/0x710 [ 5575.133265][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5575.133265][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5575.133265][ T7704] ___sys_sendmsg+0xee/0x170 [ 5575.133265][ T7704] __sys_sendmsg+0xcd/0x170 [ 5575.133265][ T7704] do_syscall_64+0xc6/0x1e0 [ 5575.133265][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.133265][ T7704] [ 5575.135517][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5575.135517][ T7704] netdev_get_by_index+0x5e/0x80 [ 5575.135517][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5575.135517][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5575.135517][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5575.135517][ T7704] ipv6_add_addr+0x411/0x2000 [ 5575.135517][ T7704] inet6_addr_add+0x30e/0xa40 [ 5575.135517][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.135517][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.135517][ T7704] netlink_rcv_skb+0x130/0x360 [ 5575.135517][ T7704] netlink_unicast+0x449/0x710 [ 5575.135517][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5575.135517][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5575.135517][ T7704] ___sys_sendmsg+0xee/0x170 [ 5575.135517][ T7704] __sys_sendmsg+0xcd/0x170 [ 5575.135517][ T7704] do_syscall_64+0xc6/0x1e0 [ 5575.135517][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.135517][ T7704] [ 5575.137722][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5575.137722][ T7704] netdev_get_by_index+0x5e/0x80 [ 5575.137722][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5575.137722][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5575.137722][ T7704] ip6_route_add+0x1c/0x140 [ 5575.137722][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5575.137722][ T7704] addrconf_add_dev+0xe2/0x170 [ 5575.137722][ T7704] inet6_addr_add+0x12f/0xa40 [ 5575.137722][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.137722][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.137722][ T7704] netlink_rcv_skb+0x130/0x360 [ 5575.137722][ T7704] netlink_unicast+0x449/0x710 [ 5575.137722][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5575.137722][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5575.137722][ T7704] ___sys_sendmsg+0xee/0x170 [ 5575.137722][ T7704] __sys_sendmsg+0xcd/0x170 [ 5575.137722][ T7704] do_syscall_64+0xc6/0x1e0 [ 5575.137722][ T7704] [ 5575.139897][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5575.139897][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5575.139897][ T7704] ipv6_find_idev+0x102/0x170 [ 5575.139897][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5575.139897][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.139897][ T7704] netlink_rcv_skb+0x130/0x360 [ 5575.139897][ T7704] netlink_unicast+0x449/0x710 [ 5575.139897][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5575.139897][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5575.139897][ T7704] ___sys_sendmsg+0xee/0x170 [ 5575.139897][ T7704] __sys_sendmsg+0xcd/0x170 [ 5575.139897][ T7704] do_syscall_64+0xc6/0x1e0 [ 5575.139897][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.139897][ T7704] [ 5575.141621][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5575.141621][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5575.141621][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5575.141621][ T7704] ipv6_find_idev+0x102/0x170 [ 5575.141621][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5575.141621][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.141621][ T7704] netlink_rcv_skb+0x130/0x360 [ 5575.141621][ T7704] netlink_unicast+0x449/0x710 [ 5575.141621][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5575.141621][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5575.141621][ T7704] ___sys_sendmsg+0xee/0x170 [ 5575.141621][ T7704] __sys_sendmsg+0xcd/0x170 [ 5575.141621][ T7704] do_syscall_64+0xc6/0x1e0 [ 5575.141621][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.141621][ T7704] [ 5585.380741][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5585.381236][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5585.381236][ T7704] netdev_get_by_index+0x5e/0x80 [ 5585.381236][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5585.381236][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5585.381236][ T7704] ip6_route_add+0x1c/0x140 [ 5585.381236][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5585.381236][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5585.381236][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5585.381236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.381236][ T7704] netlink_rcv_skb+0x130/0x360 [ 5585.381236][ T7704] netlink_unicast+0x449/0x710 [ 5585.381236][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5585.381236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5585.381236][ T7704] ___sys_sendmsg+0xee/0x170 [ 5585.381236][ T7704] __sys_sendmsg+0xcd/0x170 [ 5585.381236][ T7704] do_syscall_64+0xc6/0x1e0 [ 5585.381236][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.381236][ T7704] [ 5585.383463][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5585.383463][ T7704] netdev_get_by_index+0x5e/0x80 [ 5585.383463][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5585.383463][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5585.383463][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5585.383463][ T7704] ipv6_add_addr+0x411/0x2000 [ 5585.383463][ T7704] inet6_addr_add+0x30e/0xa40 [ 5585.383463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5585.383463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.383463][ T7704] netlink_rcv_skb+0x130/0x360 [ 5585.383463][ T7704] netlink_unicast+0x449/0x710 [ 5585.383463][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5585.383463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5585.383463][ T7704] ___sys_sendmsg+0xee/0x170 [ 5585.383463][ T7704] __sys_sendmsg+0xcd/0x170 [ 5585.383463][ T7704] do_syscall_64+0xc6/0x1e0 [ 5585.383463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.383463][ T7704] [ 5585.385672][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5585.385672][ T7704] netdev_get_by_index+0x5e/0x80 [ 5585.385672][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5585.385672][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5585.385672][ T7704] ip6_route_add+0x1c/0x140 [ 5585.385672][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5585.385672][ T7704] addrconf_add_dev+0xe2/0x170 [ 5585.385672][ T7704] inet6_addr_add+0x12f/0xa40 [ 5585.385672][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5585.385672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.385672][ T7704] netlink_rcv_skb+0x130/0x360 [ 5585.385672][ T7704] netlink_unicast+0x449/0x710 [ 5585.385672][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5585.385672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5585.385672][ T7704] ___sys_sendmsg+0xee/0x170 [ 5585.385672][ T7704] __sys_sendmsg+0xcd/0x170 [ 5585.385672][ T7704] do_syscall_64+0xc6/0x1e0 [ 5585.385672][ T7704] [ 5585.387848][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5585.387848][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5585.387848][ T7704] ipv6_find_idev+0x102/0x170 [ 5585.387848][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5585.387848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.387848][ T7704] netlink_rcv_skb+0x130/0x360 [ 5585.387848][ T7704] netlink_unicast+0x449/0x710 [ 5585.387848][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5585.387848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5585.387848][ T7704] ___sys_sendmsg+0xee/0x170 [ 5585.387848][ T7704] __sys_sendmsg+0xcd/0x170 [ 5585.387848][ T7704] do_syscall_64+0xc6/0x1e0 [ 5585.387848][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.387848][ T7704] [ 5585.389540][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5585.389540][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5585.389540][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5585.389540][ T7704] ipv6_find_idev+0x102/0x170 [ 5585.389540][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5585.389540][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.389540][ T7704] netlink_rcv_skb+0x130/0x360 [ 5585.389540][ T7704] netlink_unicast+0x449/0x710 [ 5585.389540][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5585.389540][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5585.389540][ T7704] ___sys_sendmsg+0xee/0x170 [ 5585.389540][ T7704] __sys_sendmsg+0xcd/0x170 [ 5585.389540][ T7704] do_syscall_64+0xc6/0x1e0 [ 5585.389540][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.389540][ T7704] [ 5595.628838][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5595.629282][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5595.629282][ T7704] netdev_get_by_index+0x5e/0x80 [ 5595.629282][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5595.629282][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5595.629282][ T7704] ip6_route_add+0x1c/0x140 [ 5595.629282][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5595.629282][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5595.629282][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5595.629282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.629282][ T7704] netlink_rcv_skb+0x130/0x360 [ 5595.629282][ T7704] netlink_unicast+0x449/0x710 [ 5595.629282][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5595.629282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5595.629282][ T7704] ___sys_sendmsg+0xee/0x170 [ 5595.629282][ T7704] __sys_sendmsg+0xcd/0x170 [ 5595.629282][ T7704] do_syscall_64+0xc6/0x1e0 [ 5595.629282][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.629282][ T7704] [ 5595.631513][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5595.631513][ T7704] netdev_get_by_index+0x5e/0x80 [ 5595.631513][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5595.631513][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5595.631513][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5595.631513][ T7704] ipv6_add_addr+0x411/0x2000 [ 5595.631513][ T7704] inet6_addr_add+0x30e/0xa40 [ 5595.631513][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5595.631513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.631513][ T7704] netlink_rcv_skb+0x130/0x360 [ 5595.631513][ T7704] netlink_unicast+0x449/0x710 [ 5595.631513][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5595.631513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5595.631513][ T7704] ___sys_sendmsg+0xee/0x170 [ 5595.631513][ T7704] __sys_sendmsg+0xcd/0x170 [ 5595.631513][ T7704] do_syscall_64+0xc6/0x1e0 [ 5595.631513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.631513][ T7704] [ 5595.633767][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5595.633767][ T7704] netdev_get_by_index+0x5e/0x80 [ 5595.633767][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5595.633767][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5595.633767][ T7704] ip6_route_add+0x1c/0x140 [ 5595.633767][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5595.633767][ T7704] addrconf_add_dev+0xe2/0x170 [ 5595.633767][ T7704] inet6_addr_add+0x12f/0xa40 [ 5595.633767][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5595.633767][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.633767][ T7704] netlink_rcv_skb+0x130/0x360 [ 5595.633767][ T7704] netlink_unicast+0x449/0x710 [ 5595.633767][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5595.633767][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5595.633767][ T7704] ___sys_sendmsg+0xee/0x170 [ 5595.633767][ T7704] __sys_sendmsg+0xcd/0x170 [ 5595.633767][ T7704] do_syscall_64+0xc6/0x1e0 [ 5595.633767][ T7704] [ 5595.635969][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5595.635969][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5595.635969][ T7704] ipv6_find_idev+0x102/0x170 [ 5595.635969][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5595.635969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.635969][ T7704] netlink_rcv_skb+0x130/0x360 [ 5595.635969][ T7704] netlink_unicast+0x449/0x710 [ 5595.635969][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5595.635969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5595.635969][ T7704] ___sys_sendmsg+0xee/0x170 [ 5595.635969][ T7704] __sys_sendmsg+0xcd/0x170 [ 5595.635969][ T7704] do_syscall_64+0xc6/0x1e0 [ 5595.635969][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.635969][ T7704] [ 5595.637700][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5595.637700][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5595.637700][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5595.637700][ T7704] ipv6_find_idev+0x102/0x170 [ 5595.637700][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5595.637700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.637700][ T7704] netlink_rcv_skb+0x130/0x360 [ 5595.637700][ T7704] netlink_unicast+0x449/0x710 [ 5595.637700][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5595.637700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5595.637700][ T7704] ___sys_sendmsg+0xee/0x170 [ 5595.637700][ T7704] __sys_sendmsg+0xcd/0x170 [ 5595.637700][ T7704] do_syscall_64+0xc6/0x1e0 [ 5595.637700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.637700][ T7704] [ 5605.876829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5605.877290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5605.877290][ T7704] netdev_get_by_index+0x5e/0x80 [ 5605.877290][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5605.877290][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5605.877290][ T7704] ip6_route_add+0x1c/0x140 [ 5605.877290][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5605.877290][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5605.877290][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5605.877290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5605.877290][ T7704] netlink_rcv_skb+0x130/0x360 [ 5605.877290][ T7704] netlink_unicast+0x449/0x710 [ 5605.877290][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5605.877290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5605.877290][ T7704] ___sys_sendmsg+0xee/0x170 [ 5605.877290][ T7704] __sys_sendmsg+0xcd/0x170 [ 5605.877290][ T7704] do_syscall_64+0xc6/0x1e0 [ 5605.877290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5605.877290][ T7704] [ 5605.879537][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5605.879537][ T7704] netdev_get_by_index+0x5e/0x80 [ 5605.879537][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5605.879537][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5605.879537][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5605.879537][ T7704] ipv6_add_addr+0x411/0x2000 [ 5605.879537][ T7704] inet6_addr_add+0x30e/0xa40 [ 5605.879537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5605.879537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5605.879537][ T7704] netlink_rcv_skb+0x130/0x360 [ 5605.879537][ T7704] netlink_unicast+0x449/0x710 [ 5605.879537][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5605.879537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5605.879537][ T7704] ___sys_sendmsg+0xee/0x170 [ 5605.879537][ T7704] __sys_sendmsg+0xcd/0x170 [ 5605.879537][ T7704] do_syscall_64+0xc6/0x1e0 [ 5605.879537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5605.879537][ T7704] [ 5605.882275][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5605.882275][ T7704] netdev_get_by_index+0x5e/0x80 [ 5605.882275][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5605.882275][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5605.882275][ T7704] ip6_route_add+0x1c/0x140 [ 5605.882275][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5605.882275][ T7704] addrconf_add_dev+0xe2/0x170 [ 5605.882275][ T7704] inet6_addr_add+0x12f/0xa40 [ 5605.882275][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5605.882275][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5605.882275][ T7704] netlink_rcv_skb+0x130/0x360 [ 5605.882275][ T7704] netlink_unicast+0x449/0x710 [ 5605.882275][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5605.882275][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5605.882275][ T7704] ___sys_sendmsg+0xee/0x170 [ 5605.882275][ T7704] __sys_sendmsg+0xcd/0x170 [ 5605.882275][ T7704] do_syscall_64+0xc6/0x1e0 [ 5605.882275][ T7704] [ 5605.884460][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5605.884460][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5605.884460][ T7704] ipv6_find_idev+0x102/0x170 [ 5605.884460][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5605.884460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5605.884460][ T7704] netlink_rcv_skb+0x130/0x360 [ 5605.884460][ T7704] netlink_unicast+0x449/0x710 [ 5605.884460][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5605.884460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5605.884460][ T7704] ___sys_sendmsg+0xee/0x170 [ 5605.884460][ T7704] __sys_sendmsg+0xcd/0x170 [ 5605.884460][ T7704] do_syscall_64+0xc6/0x1e0 [ 5605.884460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5605.884460][ T7704] [ 5605.886156][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5605.886156][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5605.886156][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5605.886156][ T7704] ipv6_find_idev+0x102/0x170 [ 5605.886156][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5605.886156][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5605.886156][ T7704] netlink_rcv_skb+0x130/0x360 [ 5605.886156][ T7704] netlink_unicast+0x449/0x710 [ 5605.886156][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5605.886156][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5605.886156][ T7704] ___sys_sendmsg+0xee/0x170 [ 5605.886156][ T7704] __sys_sendmsg+0xcd/0x170 [ 5605.886156][ T7704] do_syscall_64+0xc6/0x1e0 [ 5605.886156][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5605.886156][ T7704] [ 5616.124765][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5616.125281][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5616.125281][ T7704] netdev_get_by_index+0x5e/0x80 [ 5616.125281][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5616.125281][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5616.125281][ T7704] ip6_route_add+0x1c/0x140 [ 5616.125281][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5616.125281][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5616.125281][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.125281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.125281][ T7704] netlink_rcv_skb+0x130/0x360 [ 5616.125281][ T7704] netlink_unicast+0x449/0x710 [ 5616.125281][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5616.125281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5616.125281][ T7704] ___sys_sendmsg+0xee/0x170 [ 5616.125281][ T7704] __sys_sendmsg+0xcd/0x170 [ 5616.125281][ T7704] do_syscall_64+0xc6/0x1e0 [ 5616.125281][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.125281][ T7704] [ 5616.127559][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5616.127559][ T7704] netdev_get_by_index+0x5e/0x80 [ 5616.127559][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5616.127559][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5616.127559][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5616.127559][ T7704] ipv6_add_addr+0x411/0x2000 [ 5616.127559][ T7704] inet6_addr_add+0x30e/0xa40 [ 5616.127559][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.127559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.127559][ T7704] netlink_rcv_skb+0x130/0x360 [ 5616.127559][ T7704] netlink_unicast+0x449/0x710 [ 5616.127559][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5616.127559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5616.127559][ T7704] ___sys_sendmsg+0xee/0x170 [ 5616.127559][ T7704] __sys_sendmsg+0xcd/0x170 [ 5616.127559][ T7704] do_syscall_64+0xc6/0x1e0 [ 5616.127559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.127559][ T7704] [ 5616.129776][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5616.129776][ T7704] netdev_get_by_index+0x5e/0x80 [ 5616.129776][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5616.129776][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5616.129776][ T7704] ip6_route_add+0x1c/0x140 [ 5616.129776][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5616.129776][ T7704] addrconf_add_dev+0xe2/0x170 [ 5616.129776][ T7704] inet6_addr_add+0x12f/0xa40 [ 5616.129776][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.129776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.129776][ T7704] netlink_rcv_skb+0x130/0x360 [ 5616.129776][ T7704] netlink_unicast+0x449/0x710 [ 5616.129776][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5616.129776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5616.129776][ T7704] ___sys_sendmsg+0xee/0x170 [ 5616.129776][ T7704] __sys_sendmsg+0xcd/0x170 [ 5616.129776][ T7704] do_syscall_64+0xc6/0x1e0 [ 5616.129776][ T7704] [ 5616.131963][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5616.131963][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5616.131963][ T7704] ipv6_find_idev+0x102/0x170 [ 5616.131963][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5616.131963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.131963][ T7704] netlink_rcv_skb+0x130/0x360 [ 5616.131963][ T7704] netlink_unicast+0x449/0x710 [ 5616.131963][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5616.131963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5616.131963][ T7704] ___sys_sendmsg+0xee/0x170 [ 5616.131963][ T7704] __sys_sendmsg+0xcd/0x170 [ 5616.131963][ T7704] do_syscall_64+0xc6/0x1e0 [ 5616.131963][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.131963][ T7704] [ 5616.133766][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5616.133766][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5616.133766][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5616.133766][ T7704] ipv6_find_idev+0x102/0x170 [ 5616.133766][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5616.133766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.133766][ T7704] netlink_rcv_skb+0x130/0x360 [ 5616.133766][ T7704] netlink_unicast+0x449/0x710 [ 5616.133766][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5616.133766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5616.133766][ T7704] ___sys_sendmsg+0xee/0x170 [ 5616.133766][ T7704] __sys_sendmsg+0xcd/0x170 [ 5616.133766][ T7704] do_syscall_64+0xc6/0x1e0 [ 5616.133766][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.133766][ T7704] [ 5626.332901][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5626.333375][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5626.333375][ T7704] netdev_get_by_index+0x5e/0x80 [ 5626.333375][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5626.333375][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5626.333375][ T7704] ip6_route_add+0x1c/0x140 [ 5626.333375][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5626.333375][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5626.333375][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.333375][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.333375][ T7704] netlink_rcv_skb+0x130/0x360 [ 5626.333375][ T7704] netlink_unicast+0x449/0x710 [ 5626.333375][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5626.333375][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5626.333375][ T7704] ___sys_sendmsg+0xee/0x170 [ 5626.333375][ T7704] __sys_sendmsg+0xcd/0x170 [ 5626.333375][ T7704] do_syscall_64+0xc6/0x1e0 [ 5626.333375][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.333375][ T7704] [ 5626.335663][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5626.335663][ T7704] netdev_get_by_index+0x5e/0x80 [ 5626.335663][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5626.335663][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5626.335663][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5626.335663][ T7704] ipv6_add_addr+0x411/0x2000 [ 5626.335663][ T7704] inet6_addr_add+0x30e/0xa40 [ 5626.335663][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.335663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.335663][ T7704] netlink_rcv_skb+0x130/0x360 [ 5626.335663][ T7704] netlink_unicast+0x449/0x710 [ 5626.335663][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5626.335663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5626.335663][ T7704] ___sys_sendmsg+0xee/0x170 [ 5626.335663][ T7704] __sys_sendmsg+0xcd/0x170 [ 5626.335663][ T7704] do_syscall_64+0xc6/0x1e0 [ 5626.335663][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.335663][ T7704] [ 5626.337859][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5626.337859][ T7704] netdev_get_by_index+0x5e/0x80 [ 5626.337859][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5626.337859][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5626.337859][ T7704] ip6_route_add+0x1c/0x140 [ 5626.337859][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5626.337859][ T7704] addrconf_add_dev+0xe2/0x170 [ 5626.337859][ T7704] inet6_addr_add+0x12f/0xa40 [ 5626.337859][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.337859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.337859][ T7704] netlink_rcv_skb+0x130/0x360 [ 5626.337859][ T7704] netlink_unicast+0x449/0x710 [ 5626.337859][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5626.337859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5626.337859][ T7704] ___sys_sendmsg+0xee/0x170 [ 5626.337859][ T7704] __sys_sendmsg+0xcd/0x170 [ 5626.337859][ T7704] do_syscall_64+0xc6/0x1e0 [ 5626.337859][ T7704] [ 5626.340018][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5626.340018][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5626.340018][ T7704] ipv6_find_idev+0x102/0x170 [ 5626.340018][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5626.340018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.340018][ T7704] netlink_rcv_skb+0x130/0x360 [ 5626.340018][ T7704] netlink_unicast+0x449/0x710 [ 5626.340018][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5626.340018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5626.340018][ T7704] ___sys_sendmsg+0xee/0x170 [ 5626.340018][ T7704] __sys_sendmsg+0xcd/0x170 [ 5626.340018][ T7704] do_syscall_64+0xc6/0x1e0 [ 5626.340018][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.340018][ T7704] [ 5626.341730][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5626.341730][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5626.341730][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5626.341730][ T7704] ipv6_find_idev+0x102/0x170 [ 5626.341730][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5626.341730][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.341730][ T7704] netlink_rcv_skb+0x130/0x360 [ 5626.341730][ T7704] netlink_unicast+0x449/0x710 [ 5626.341730][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5626.341730][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5626.341730][ T7704] ___sys_sendmsg+0xee/0x170 [ 5626.341730][ T7704] __sys_sendmsg+0xcd/0x170 [ 5626.341730][ T7704] do_syscall_64+0xc6/0x1e0 [ 5626.341730][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.341730][ T7704] [ 5636.580811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5636.581274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5636.581274][ T7704] netdev_get_by_index+0x5e/0x80 [ 5636.581274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5636.581274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5636.581274][ T7704] ip6_route_add+0x1c/0x140 [ 5636.581274][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5636.581274][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5636.581274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5636.581274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.581274][ T7704] netlink_rcv_skb+0x130/0x360 [ 5636.581274][ T7704] netlink_unicast+0x449/0x710 [ 5636.581274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5636.581274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5636.581274][ T7704] ___sys_sendmsg+0xee/0x170 [ 5636.581274][ T7704] __sys_sendmsg+0xcd/0x170 [ 5636.581274][ T7704] do_syscall_64+0xc6/0x1e0 [ 5636.581274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.581274][ T7704] [ 5636.583514][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5636.583514][ T7704] netdev_get_by_index+0x5e/0x80 [ 5636.583514][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5636.583514][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5636.583514][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5636.583514][ T7704] ipv6_add_addr+0x411/0x2000 [ 5636.583514][ T7704] inet6_addr_add+0x30e/0xa40 [ 5636.583514][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5636.583514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.583514][ T7704] netlink_rcv_skb+0x130/0x360 [ 5636.583514][ T7704] netlink_unicast+0x449/0x710 [ 5636.583514][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5636.583514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5636.583514][ T7704] ___sys_sendmsg+0xee/0x170 [ 5636.583514][ T7704] __sys_sendmsg+0xcd/0x170 [ 5636.583514][ T7704] do_syscall_64+0xc6/0x1e0 [ 5636.583514][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.583514][ T7704] [ 5636.585840][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5636.585840][ T7704] netdev_get_by_index+0x5e/0x80 [ 5636.585840][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5636.585840][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5636.585840][ T7704] ip6_route_add+0x1c/0x140 [ 5636.585840][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5636.585840][ T7704] addrconf_add_dev+0xe2/0x170 [ 5636.585840][ T7704] inet6_addr_add+0x12f/0xa40 [ 5636.585840][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5636.585840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.585840][ T7704] netlink_rcv_skb+0x130/0x360 [ 5636.585840][ T7704] netlink_unicast+0x449/0x710 [ 5636.585840][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5636.585840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5636.585840][ T7704] ___sys_sendmsg+0xee/0x170 [ 5636.585840][ T7704] __sys_sendmsg+0xcd/0x170 [ 5636.585840][ T7704] do_syscall_64+0xc6/0x1e0 [ 5636.585840][ T7704] [ 5636.588018][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5636.588018][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5636.588018][ T7704] ipv6_find_idev+0x102/0x170 [ 5636.588018][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5636.588018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.588018][ T7704] netlink_rcv_skb+0x130/0x360 [ 5636.588018][ T7704] netlink_unicast+0x449/0x710 [ 5636.588018][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5636.588018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5636.588018][ T7704] ___sys_sendmsg+0xee/0x170 [ 5636.588018][ T7704] __sys_sendmsg+0xcd/0x170 [ 5636.588018][ T7704] do_syscall_64+0xc6/0x1e0 [ 5636.588018][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.588018][ T7704] [ 5636.589713][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5636.589713][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5636.589713][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5636.589713][ T7704] ipv6_find_idev+0x102/0x170 [ 5636.589713][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5636.589713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.589713][ T7704] netlink_rcv_skb+0x130/0x360 [ 5636.589713][ T7704] netlink_unicast+0x449/0x710 [ 5636.589713][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5636.589713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5636.589713][ T7704] ___sys_sendmsg+0xee/0x170 [ 5636.589713][ T7704] __sys_sendmsg+0xcd/0x170 [ 5636.589713][ T7704] do_syscall_64+0xc6/0x1e0 [ 5636.589713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.589713][ T7704] [ 5646.828823][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5646.829315][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5646.829315][ T7704] netdev_get_by_index+0x5e/0x80 [ 5646.829315][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5646.829315][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5646.829315][ T7704] ip6_route_add+0x1c/0x140 [ 5646.829315][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5646.829315][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5646.829315][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5646.829315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.829315][ T7704] netlink_rcv_skb+0x130/0x360 [ 5646.829315][ T7704] netlink_unicast+0x449/0x710 [ 5646.829315][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5646.829315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5646.829315][ T7704] ___sys_sendmsg+0xee/0x170 [ 5646.829315][ T7704] __sys_sendmsg+0xcd/0x170 [ 5646.829315][ T7704] do_syscall_64+0xc6/0x1e0 [ 5646.829315][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.829315][ T7704] [ 5646.831532][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5646.831532][ T7704] netdev_get_by_index+0x5e/0x80 [ 5646.831532][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5646.831532][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5646.831532][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5646.831532][ T7704] ipv6_add_addr+0x411/0x2000 [ 5646.831532][ T7704] inet6_addr_add+0x30e/0xa40 [ 5646.831532][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5646.831532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.831532][ T7704] netlink_rcv_skb+0x130/0x360 [ 5646.831532][ T7704] netlink_unicast+0x449/0x710 [ 5646.831532][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5646.831532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5646.831532][ T7704] ___sys_sendmsg+0xee/0x170 [ 5646.831532][ T7704] __sys_sendmsg+0xcd/0x170 [ 5646.831532][ T7704] do_syscall_64+0xc6/0x1e0 [ 5646.831532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.831532][ T7704] [ 5646.833707][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5646.833707][ T7704] netdev_get_by_index+0x5e/0x80 [ 5646.833707][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5646.833707][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5646.833707][ T7704] ip6_route_add+0x1c/0x140 [ 5646.833707][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5646.833707][ T7704] addrconf_add_dev+0xe2/0x170 [ 5646.833707][ T7704] inet6_addr_add+0x12f/0xa40 [ 5646.833707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5646.833707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.833707][ T7704] netlink_rcv_skb+0x130/0x360 [ 5646.833707][ T7704] netlink_unicast+0x449/0x710 [ 5646.833707][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5646.833707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5646.833707][ T7704] ___sys_sendmsg+0xee/0x170 [ 5646.833707][ T7704] __sys_sendmsg+0xcd/0x170 [ 5646.833707][ T7704] do_syscall_64+0xc6/0x1e0 [ 5646.833707][ T7704] [ 5646.835906][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5646.835906][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5646.835906][ T7704] ipv6_find_idev+0x102/0x170 [ 5646.835906][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5646.835906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.835906][ T7704] netlink_rcv_skb+0x130/0x360 [ 5646.835906][ T7704] netlink_unicast+0x449/0x710 [ 5646.835906][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5646.835906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5646.835906][ T7704] ___sys_sendmsg+0xee/0x170 [ 5646.835906][ T7704] __sys_sendmsg+0xcd/0x170 [ 5646.835906][ T7704] do_syscall_64+0xc6/0x1e0 [ 5646.835906][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.835906][ T7704] [ 5646.837618][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5646.837618][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5646.837618][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5646.837618][ T7704] ipv6_find_idev+0x102/0x170 [ 5646.837618][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5646.837618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.837618][ T7704] netlink_rcv_skb+0x130/0x360 [ 5646.837618][ T7704] netlink_unicast+0x449/0x710 [ 5646.837618][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5646.837618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5646.837618][ T7704] ___sys_sendmsg+0xee/0x170 [ 5646.837618][ T7704] __sys_sendmsg+0xcd/0x170 [ 5646.837618][ T7704] do_syscall_64+0xc6/0x1e0 [ 5646.837618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.837618][ T7704] [ 5657.076850][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5657.077320][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5657.077320][ T7704] netdev_get_by_index+0x5e/0x80 [ 5657.077320][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5657.077320][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5657.077320][ T7704] ip6_route_add+0x1c/0x140 [ 5657.077320][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5657.077320][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5657.077320][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.077320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.077320][ T7704] netlink_rcv_skb+0x130/0x360 [ 5657.077320][ T7704] netlink_unicast+0x449/0x710 [ 5657.077320][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5657.077320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5657.077320][ T7704] ___sys_sendmsg+0xee/0x170 [ 5657.077320][ T7704] __sys_sendmsg+0xcd/0x170 [ 5657.077320][ T7704] do_syscall_64+0xc6/0x1e0 [ 5657.077320][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.077320][ T7704] [ 5657.079566][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5657.079566][ T7704] netdev_get_by_index+0x5e/0x80 [ 5657.079566][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5657.079566][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5657.079566][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5657.079566][ T7704] ipv6_add_addr+0x411/0x2000 [ 5657.079566][ T7704] inet6_addr_add+0x30e/0xa40 [ 5657.079566][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.079566][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.079566][ T7704] netlink_rcv_skb+0x130/0x360 [ 5657.079566][ T7704] netlink_unicast+0x449/0x710 [ 5657.079566][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5657.079566][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5657.079566][ T7704] ___sys_sendmsg+0xee/0x170 [ 5657.079566][ T7704] __sys_sendmsg+0xcd/0x170 [ 5657.079566][ T7704] do_syscall_64+0xc6/0x1e0 [ 5657.079566][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.079566][ T7704] [ 5657.081773][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5657.081773][ T7704] netdev_get_by_index+0x5e/0x80 [ 5657.081773][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5657.081773][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5657.081773][ T7704] ip6_route_add+0x1c/0x140 [ 5657.081773][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5657.081773][ T7704] addrconf_add_dev+0xe2/0x170 [ 5657.081773][ T7704] inet6_addr_add+0x12f/0xa40 [ 5657.081773][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.081773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.081773][ T7704] netlink_rcv_skb+0x130/0x360 [ 5657.081773][ T7704] netlink_unicast+0x449/0x710 [ 5657.081773][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5657.081773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5657.081773][ T7704] ___sys_sendmsg+0xee/0x170 [ 5657.081773][ T7704] __sys_sendmsg+0xcd/0x170 [ 5657.081773][ T7704] do_syscall_64+0xc6/0x1e0 [ 5657.081773][ T7704] [ 5657.083941][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5657.083941][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5657.083941][ T7704] ipv6_find_idev+0x102/0x170 [ 5657.083941][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5657.083941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.083941][ T7704] netlink_rcv_skb+0x130/0x360 [ 5657.083941][ T7704] netlink_unicast+0x449/0x710 [ 5657.083941][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5657.083941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5657.083941][ T7704] ___sys_sendmsg+0xee/0x170 [ 5657.083941][ T7704] __sys_sendmsg+0xcd/0x170 [ 5657.083941][ T7704] do_syscall_64+0xc6/0x1e0 [ 5657.083941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.083941][ T7704] [ 5657.085648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5657.085648][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5657.085648][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5657.085648][ T7704] ipv6_find_idev+0x102/0x170 [ 5657.085648][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5657.085648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.085648][ T7704] netlink_rcv_skb+0x130/0x360 [ 5657.085648][ T7704] netlink_unicast+0x449/0x710 [ 5657.085648][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5657.085648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5657.085648][ T7704] ___sys_sendmsg+0xee/0x170 [ 5657.085648][ T7704] __sys_sendmsg+0xcd/0x170 [ 5657.085648][ T7704] do_syscall_64+0xc6/0x1e0 [ 5657.085648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.085648][ T7704] [ 5667.324794][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5667.325274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5667.325274][ T7704] netdev_get_by_index+0x5e/0x80 [ 5667.325274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5667.325274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5667.325274][ T7704] ip6_route_add+0x1c/0x140 [ 5667.325274][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5667.325274][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5667.325274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.325274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.325274][ T7704] netlink_rcv_skb+0x130/0x360 [ 5667.325274][ T7704] netlink_unicast+0x449/0x710 [ 5667.325274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5667.325274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5667.325274][ T7704] ___sys_sendmsg+0xee/0x170 [ 5667.325274][ T7704] __sys_sendmsg+0xcd/0x170 [ 5667.325274][ T7704] do_syscall_64+0xc6/0x1e0 [ 5667.325274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.325274][ T7704] [ 5667.327505][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5667.327505][ T7704] netdev_get_by_index+0x5e/0x80 [ 5667.327505][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5667.327505][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5667.327505][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5667.327505][ T7704] ipv6_add_addr+0x411/0x2000 [ 5667.327505][ T7704] inet6_addr_add+0x30e/0xa40 [ 5667.327505][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.327505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.327505][ T7704] netlink_rcv_skb+0x130/0x360 [ 5667.327505][ T7704] netlink_unicast+0x449/0x710 [ 5667.327505][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5667.327505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5667.327505][ T7704] ___sys_sendmsg+0xee/0x170 [ 5667.327505][ T7704] __sys_sendmsg+0xcd/0x170 [ 5667.327505][ T7704] do_syscall_64+0xc6/0x1e0 [ 5667.327505][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.327505][ T7704] [ 5667.329721][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5667.329721][ T7704] netdev_get_by_index+0x5e/0x80 [ 5667.329721][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5667.329721][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5667.329721][ T7704] ip6_route_add+0x1c/0x140 [ 5667.329721][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5667.329721][ T7704] addrconf_add_dev+0xe2/0x170 [ 5667.329721][ T7704] inet6_addr_add+0x12f/0xa40 [ 5667.329721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.329721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.329721][ T7704] netlink_rcv_skb+0x130/0x360 [ 5667.329721][ T7704] netlink_unicast+0x449/0x710 [ 5667.329721][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5667.329721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5667.329721][ T7704] ___sys_sendmsg+0xee/0x170 [ 5667.329721][ T7704] __sys_sendmsg+0xcd/0x170 [ 5667.329721][ T7704] do_syscall_64+0xc6/0x1e0 [ 5667.329721][ T7704] [ 5667.331897][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5667.331897][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5667.331897][ T7704] ipv6_find_idev+0x102/0x170 [ 5667.331897][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5667.331897][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.331897][ T7704] netlink_rcv_skb+0x130/0x360 [ 5667.331897][ T7704] netlink_unicast+0x449/0x710 [ 5667.331897][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5667.331897][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5667.331897][ T7704] ___sys_sendmsg+0xee/0x170 [ 5667.331897][ T7704] __sys_sendmsg+0xcd/0x170 [ 5667.331897][ T7704] do_syscall_64+0xc6/0x1e0 [ 5667.331897][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.331897][ T7704] [ 5667.333597][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5667.333597][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5667.333597][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5667.333597][ T7704] ipv6_find_idev+0x102/0x170 [ 5667.333597][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5667.333597][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.333597][ T7704] netlink_rcv_skb+0x130/0x360 [ 5667.333597][ T7704] netlink_unicast+0x449/0x710 [ 5667.333597][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5667.333597][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5667.333597][ T7704] ___sys_sendmsg+0xee/0x170 [ 5667.333597][ T7704] __sys_sendmsg+0xcd/0x170 [ 5667.333597][ T7704] do_syscall_64+0xc6/0x1e0 [ 5667.333597][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.333597][ T7704] [ 5677.356810][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5677.357294][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5677.357294][ T7704] netdev_get_by_index+0x5e/0x80 [ 5677.357294][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5677.357294][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5677.357294][ T7704] ip6_route_add+0x1c/0x140 [ 5677.357294][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5677.357294][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5677.357294][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5677.357294][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.357294][ T7704] netlink_rcv_skb+0x130/0x360 [ 5677.357294][ T7704] netlink_unicast+0x449/0x710 [ 5677.357294][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5677.357294][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5677.357294][ T7704] ___sys_sendmsg+0xee/0x170 [ 5677.357294][ T7704] __sys_sendmsg+0xcd/0x170 [ 5677.357294][ T7704] do_syscall_64+0xc6/0x1e0 [ 5677.357294][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.357294][ T7704] [ 5677.359532][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5677.359532][ T7704] netdev_get_by_index+0x5e/0x80 [ 5677.359532][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5677.359532][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5677.359532][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5677.359532][ T7704] ipv6_add_addr+0x411/0x2000 [ 5677.359532][ T7704] inet6_addr_add+0x30e/0xa40 [ 5677.359532][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5677.359532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.359532][ T7704] netlink_rcv_skb+0x130/0x360 [ 5677.359532][ T7704] netlink_unicast+0x449/0x710 [ 5677.359532][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5677.359532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5677.359532][ T7704] ___sys_sendmsg+0xee/0x170 [ 5677.359532][ T7704] __sys_sendmsg+0xcd/0x170 [ 5677.359532][ T7704] do_syscall_64+0xc6/0x1e0 [ 5677.359532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.359532][ T7704] [ 5677.361702][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5677.361702][ T7704] netdev_get_by_index+0x5e/0x80 [ 5677.361702][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5677.361702][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5677.361702][ T7704] ip6_route_add+0x1c/0x140 [ 5677.361702][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5677.361702][ T7704] addrconf_add_dev+0xe2/0x170 [ 5677.361702][ T7704] inet6_addr_add+0x12f/0xa40 [ 5677.361702][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5677.361702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.361702][ T7704] netlink_rcv_skb+0x130/0x360 [ 5677.361702][ T7704] netlink_unicast+0x449/0x710 [ 5677.361702][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5677.361702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5677.361702][ T7704] ___sys_sendmsg+0xee/0x170 [ 5677.361702][ T7704] __sys_sendmsg+0xcd/0x170 [ 5677.361702][ T7704] do_syscall_64+0xc6/0x1e0 [ 5677.361702][ T7704] [ 5677.363880][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5677.363880][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5677.363880][ T7704] ipv6_find_idev+0x102/0x170 [ 5677.363880][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5677.363880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.363880][ T7704] netlink_rcv_skb+0x130/0x360 [ 5677.363880][ T7704] netlink_unicast+0x449/0x710 [ 5677.363880][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5677.363880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5677.363880][ T7704] ___sys_sendmsg+0xee/0x170 [ 5677.363880][ T7704] __sys_sendmsg+0xcd/0x170 [ 5677.363880][ T7704] do_syscall_64+0xc6/0x1e0 [ 5677.363880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.363880][ T7704] [ 5677.366087][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5677.366087][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5677.366087][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5677.366087][ T7704] ipv6_find_idev+0x102/0x170 [ 5677.366087][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5677.366087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.366087][ T7704] netlink_rcv_skb+0x130/0x360 [ 5677.366087][ T7704] netlink_unicast+0x449/0x710 [ 5677.366087][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5677.366087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5677.366087][ T7704] ___sys_sendmsg+0xee/0x170 [ 5677.366087][ T7704] __sys_sendmsg+0xcd/0x170 [ 5677.366087][ T7704] do_syscall_64+0xc6/0x1e0 [ 5677.366087][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.366087][ T7704] [ 5687.444916][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5687.445407][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5687.445407][ T7704] netdev_get_by_index+0x5e/0x80 [ 5687.445407][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5687.445407][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5687.445407][ T7704] ip6_route_add+0x1c/0x140 [ 5687.445407][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5687.445407][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5687.445407][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5687.445407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.445407][ T7704] netlink_rcv_skb+0x130/0x360 [ 5687.445407][ T7704] netlink_unicast+0x449/0x710 [ 5687.445407][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5687.445407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5687.445407][ T7704] ___sys_sendmsg+0xee/0x170 [ 5687.445407][ T7704] __sys_sendmsg+0xcd/0x170 [ 5687.445407][ T7704] do_syscall_64+0xc6/0x1e0 [ 5687.445407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.445407][ T7704] [ 5687.447704][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5687.447704][ T7704] netdev_get_by_index+0x5e/0x80 [ 5687.447704][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5687.447704][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5687.447704][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5687.447704][ T7704] ipv6_add_addr+0x411/0x2000 [ 5687.447704][ T7704] inet6_addr_add+0x30e/0xa40 [ 5687.447704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5687.447704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.447704][ T7704] netlink_rcv_skb+0x130/0x360 [ 5687.447704][ T7704] netlink_unicast+0x449/0x710 [ 5687.447704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5687.447704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5687.447704][ T7704] ___sys_sendmsg+0xee/0x170 [ 5687.447704][ T7704] __sys_sendmsg+0xcd/0x170 [ 5687.447704][ T7704] do_syscall_64+0xc6/0x1e0 [ 5687.447704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.447704][ T7704] [ 5687.449877][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5687.449877][ T7704] netdev_get_by_index+0x5e/0x80 [ 5687.449877][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5687.449877][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5687.449877][ T7704] ip6_route_add+0x1c/0x140 [ 5687.449877][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5687.449877][ T7704] addrconf_add_dev+0xe2/0x170 [ 5687.449877][ T7704] inet6_addr_add+0x12f/0xa40 [ 5687.449877][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5687.449877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.449877][ T7704] netlink_rcv_skb+0x130/0x360 [ 5687.449877][ T7704] netlink_unicast+0x449/0x710 [ 5687.449877][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5687.449877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5687.449877][ T7704] ___sys_sendmsg+0xee/0x170 [ 5687.449877][ T7704] __sys_sendmsg+0xcd/0x170 [ 5687.449877][ T7704] do_syscall_64+0xc6/0x1e0 [ 5687.449877][ T7704] [ 5687.452009][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5687.452009][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5687.452009][ T7704] ipv6_find_idev+0x102/0x170 [ 5687.452009][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5687.452009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.452009][ T7704] netlink_rcv_skb+0x130/0x360 [ 5687.452009][ T7704] netlink_unicast+0x449/0x710 [ 5687.452009][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5687.452009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5687.452009][ T7704] ___sys_sendmsg+0xee/0x170 [ 5687.452009][ T7704] __sys_sendmsg+0xcd/0x170 [ 5687.452009][ T7704] do_syscall_64+0xc6/0x1e0 [ 5687.452009][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.452009][ T7704] [ 5687.453677][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5687.453677][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5687.453677][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5687.453677][ T7704] ipv6_find_idev+0x102/0x170 [ 5687.453677][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5687.453677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.453677][ T7704] netlink_rcv_skb+0x130/0x360 [ 5687.453677][ T7704] netlink_unicast+0x449/0x710 [ 5687.453677][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5687.453677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5687.453677][ T7704] ___sys_sendmsg+0xee/0x170 [ 5687.453677][ T7704] __sys_sendmsg+0xcd/0x170 [ 5687.453677][ T7704] do_syscall_64+0xc6/0x1e0 [ 5687.453677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.453677][ T7704] [ 5697.460831][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5697.461290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5697.461290][ T7704] netdev_get_by_index+0x5e/0x80 [ 5697.461290][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5697.461290][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5697.461290][ T7704] ip6_route_add+0x1c/0x140 [ 5697.461290][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5697.461290][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5697.461290][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5697.461290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5697.461290][ T7704] netlink_rcv_skb+0x130/0x360 [ 5697.461290][ T7704] netlink_unicast+0x449/0x710 [ 5697.461290][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5697.461290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5697.461290][ T7704] ___sys_sendmsg+0xee/0x170 [ 5697.461290][ T7704] __sys_sendmsg+0xcd/0x170 [ 5697.461290][ T7704] do_syscall_64+0xc6/0x1e0 [ 5697.461290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5697.461290][ T7704] [ 5697.463539][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5697.463539][ T7704] netdev_get_by_index+0x5e/0x80 [ 5697.463539][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5697.463539][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5697.463539][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5697.463539][ T7704] ipv6_add_addr+0x411/0x2000 [ 5697.463539][ T7704] inet6_addr_add+0x30e/0xa40 [ 5697.463539][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5697.463539][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5697.463539][ T7704] netlink_rcv_skb+0x130/0x360 [ 5697.463539][ T7704] netlink_unicast+0x449/0x710 [ 5697.463539][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5697.463539][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5697.463539][ T7704] ___sys_sendmsg+0xee/0x170 [ 5697.463539][ T7704] __sys_sendmsg+0xcd/0x170 [ 5697.463539][ T7704] do_syscall_64+0xc6/0x1e0 [ 5697.463539][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5697.463539][ T7704] [ 5697.465759][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5697.465759][ T7704] netdev_get_by_index+0x5e/0x80 [ 5697.465759][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5697.465759][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5697.465759][ T7704] ip6_route_add+0x1c/0x140 [ 5697.465759][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5697.465759][ T7704] addrconf_add_dev+0xe2/0x170 [ 5697.465759][ T7704] inet6_addr_add+0x12f/0xa40 [ 5697.465759][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5697.465759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5697.465759][ T7704] netlink_rcv_skb+0x130/0x360 [ 5697.465759][ T7704] netlink_unicast+0x449/0x710 [ 5697.465759][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5697.465759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5697.465759][ T7704] ___sys_sendmsg+0xee/0x170 [ 5697.465759][ T7704] __sys_sendmsg+0xcd/0x170 [ 5697.465759][ T7704] do_syscall_64+0xc6/0x1e0 [ 5697.465759][ T7704] [ 5697.467946][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5697.467946][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5697.467946][ T7704] ipv6_find_idev+0x102/0x170 [ 5697.467946][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5697.467946][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5697.467946][ T7704] netlink_rcv_skb+0x130/0x360 [ 5697.467946][ T7704] netlink_unicast+0x449/0x710 [ 5697.467946][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5697.467946][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5697.467946][ T7704] ___sys_sendmsg+0xee/0x170 [ 5697.467946][ T7704] __sys_sendmsg+0xcd/0x170 [ 5697.467946][ T7704] do_syscall_64+0xc6/0x1e0 [ 5697.467946][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5697.467946][ T7704] [ 5697.469644][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5697.469644][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5697.469644][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5697.469644][ T7704] ipv6_find_idev+0x102/0x170 [ 5697.469644][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5697.469644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5697.469644][ T7704] netlink_rcv_skb+0x130/0x360 [ 5697.469644][ T7704] netlink_unicast+0x449/0x710 [ 5697.469644][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5697.469644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5697.469644][ T7704] ___sys_sendmsg+0xee/0x170 [ 5697.469644][ T7704] __sys_sendmsg+0xcd/0x170 [ 5697.469644][ T7704] do_syscall_64+0xc6/0x1e0 [ 5697.469644][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5697.469644][ T7704] [ 5707.708841][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5707.709319][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5707.709319][ T7704] netdev_get_by_index+0x5e/0x80 [ 5707.709319][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5707.709319][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5707.709319][ T7704] ip6_route_add+0x1c/0x140 [ 5707.709319][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5707.709319][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5707.709319][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5707.709319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5707.709319][ T7704] netlink_rcv_skb+0x130/0x360 [ 5707.709319][ T7704] netlink_unicast+0x449/0x710 [ 5707.709319][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5707.709319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5707.709319][ T7704] ___sys_sendmsg+0xee/0x170 [ 5707.709319][ T7704] __sys_sendmsg+0xcd/0x170 [ 5707.709319][ T7704] do_syscall_64+0xc6/0x1e0 [ 5707.709319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5707.709319][ T7704] [ 5707.711542][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5707.711542][ T7704] netdev_get_by_index+0x5e/0x80 [ 5707.711542][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5707.711542][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5707.711542][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5707.711542][ T7704] ipv6_add_addr+0x411/0x2000 [ 5707.711542][ T7704] inet6_addr_add+0x30e/0xa40 [ 5707.711542][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5707.711542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5707.711542][ T7704] netlink_rcv_skb+0x130/0x360 [ 5707.711542][ T7704] netlink_unicast+0x449/0x710 [ 5707.711542][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5707.711542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5707.711542][ T7704] ___sys_sendmsg+0xee/0x170 [ 5707.711542][ T7704] __sys_sendmsg+0xcd/0x170 [ 5707.711542][ T7704] do_syscall_64+0xc6/0x1e0 [ 5707.711542][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5707.711542][ T7704] [ 5707.713736][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5707.713736][ T7704] netdev_get_by_index+0x5e/0x80 [ 5707.713736][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5707.713736][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5707.713736][ T7704] ip6_route_add+0x1c/0x140 [ 5707.713736][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5707.713736][ T7704] addrconf_add_dev+0xe2/0x170 [ 5707.713736][ T7704] inet6_addr_add+0x12f/0xa40 [ 5707.713736][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5707.713736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5707.713736][ T7704] netlink_rcv_skb+0x130/0x360 [ 5707.713736][ T7704] netlink_unicast+0x449/0x710 [ 5707.713736][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5707.713736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5707.713736][ T7704] ___sys_sendmsg+0xee/0x170 [ 5707.713736][ T7704] __sys_sendmsg+0xcd/0x170 [ 5707.713736][ T7704] do_syscall_64+0xc6/0x1e0 [ 5707.713736][ T7704] [ 5707.715918][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5707.715918][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5707.715918][ T7704] ipv6_find_idev+0x102/0x170 [ 5707.715918][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5707.715918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5707.715918][ T7704] netlink_rcv_skb+0x130/0x360 [ 5707.715918][ T7704] netlink_unicast+0x449/0x710 [ 5707.715918][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5707.715918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5707.715918][ T7704] ___sys_sendmsg+0xee/0x170 [ 5707.715918][ T7704] __sys_sendmsg+0xcd/0x170 [ 5707.715918][ T7704] do_syscall_64+0xc6/0x1e0 [ 5707.715918][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5707.715918][ T7704] [ 5707.717609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5707.717609][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5707.717609][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5707.717609][ T7704] ipv6_find_idev+0x102/0x170 [ 5707.717609][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5707.717609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5707.717609][ T7704] netlink_rcv_skb+0x130/0x360 [ 5707.717609][ T7704] netlink_unicast+0x449/0x710 [ 5707.717609][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5707.717609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5707.717609][ T7704] ___sys_sendmsg+0xee/0x170 [ 5707.717609][ T7704] __sys_sendmsg+0xcd/0x170 [ 5707.717609][ T7704] do_syscall_64+0xc6/0x1e0 [ 5707.717609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5707.717609][ T7704] [ 5717.956807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5717.957275][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5717.957275][ T7704] netdev_get_by_index+0x5e/0x80 [ 5717.957275][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5717.957275][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5717.957275][ T7704] ip6_route_add+0x1c/0x140 [ 5717.957275][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5717.957275][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5717.957275][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5717.957275][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5717.957275][ T7704] netlink_rcv_skb+0x130/0x360 [ 5717.957275][ T7704] netlink_unicast+0x449/0x710 [ 5717.957275][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5717.957275][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5717.957275][ T7704] ___sys_sendmsg+0xee/0x170 [ 5717.957275][ T7704] __sys_sendmsg+0xcd/0x170 [ 5717.957275][ T7704] do_syscall_64+0xc6/0x1e0 [ 5717.957275][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5717.957275][ T7704] [ 5717.959474][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5717.959474][ T7704] netdev_get_by_index+0x5e/0x80 [ 5717.959474][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5717.959474][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5717.959474][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5717.959474][ T7704] ipv6_add_addr+0x411/0x2000 [ 5717.959474][ T7704] inet6_addr_add+0x30e/0xa40 [ 5717.959474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5717.959474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5717.959474][ T7704] netlink_rcv_skb+0x130/0x360 [ 5717.959474][ T7704] netlink_unicast+0x449/0x710 [ 5717.959474][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5717.959474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5717.959474][ T7704] ___sys_sendmsg+0xee/0x170 [ 5717.959474][ T7704] __sys_sendmsg+0xcd/0x170 [ 5717.959474][ T7704] do_syscall_64+0xc6/0x1e0 [ 5717.959474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5717.959474][ T7704] [ 5717.961620][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5717.961620][ T7704] netdev_get_by_index+0x5e/0x80 [ 5717.961620][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5717.961620][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5717.961620][ T7704] ip6_route_add+0x1c/0x140 [ 5717.961620][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5717.961620][ T7704] addrconf_add_dev+0xe2/0x170 [ 5717.961620][ T7704] inet6_addr_add+0x12f/0xa40 [ 5717.961620][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5717.961620][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5717.961620][ T7704] netlink_rcv_skb+0x130/0x360 [ 5717.961620][ T7704] netlink_unicast+0x449/0x710 [ 5717.961620][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5717.961620][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5717.961620][ T7704] ___sys_sendmsg+0xee/0x170 [ 5717.961620][ T7704] __sys_sendmsg+0xcd/0x170 [ 5717.961620][ T7704] do_syscall_64+0xc6/0x1e0 [ 5717.961620][ T7704] [ 5717.963782][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5717.963782][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5717.963782][ T7704] ipv6_find_idev+0x102/0x170 [ 5717.963782][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5717.963782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5717.963782][ T7704] netlink_rcv_skb+0x130/0x360 [ 5717.963782][ T7704] netlink_unicast+0x449/0x710 [ 5717.963782][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5717.963782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5717.963782][ T7704] ___sys_sendmsg+0xee/0x170 [ 5717.963782][ T7704] __sys_sendmsg+0xcd/0x170 [ 5717.963782][ T7704] do_syscall_64+0xc6/0x1e0 [ 5717.963782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5717.963782][ T7704] [ 5717.965545][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5717.965545][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5717.965545][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5717.965545][ T7704] ipv6_find_idev+0x102/0x170 [ 5717.965545][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5717.965545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5717.965545][ T7704] netlink_rcv_skb+0x130/0x360 [ 5717.965545][ T7704] netlink_unicast+0x449/0x710 [ 5717.965545][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5717.965545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5717.965545][ T7704] ___sys_sendmsg+0xee/0x170 [ 5717.965545][ T7704] __sys_sendmsg+0xcd/0x170 [ 5717.965545][ T7704] do_syscall_64+0xc6/0x1e0 [ 5717.965545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5717.965545][ T7704] [ 5728.004799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5728.005268][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5728.005268][ T7704] netdev_get_by_index+0x5e/0x80 [ 5728.005268][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5728.005268][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5728.005268][ T7704] ip6_route_add+0x1c/0x140 [ 5728.005268][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5728.005268][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5728.005268][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5728.005268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.005268][ T7704] netlink_rcv_skb+0x130/0x360 [ 5728.005268][ T7704] netlink_unicast+0x449/0x710 [ 5728.005268][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5728.005268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5728.005268][ T7704] ___sys_sendmsg+0xee/0x170 [ 5728.005268][ T7704] __sys_sendmsg+0xcd/0x170 [ 5728.005268][ T7704] do_syscall_64+0xc6/0x1e0 [ 5728.005268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.005268][ T7704] [ 5728.007514][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5728.007514][ T7704] netdev_get_by_index+0x5e/0x80 [ 5728.007514][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5728.007514][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5728.007514][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5728.007514][ T7704] ipv6_add_addr+0x411/0x2000 [ 5728.007514][ T7704] inet6_addr_add+0x30e/0xa40 [ 5728.007514][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5728.007514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.007514][ T7704] netlink_rcv_skb+0x130/0x360 [ 5728.007514][ T7704] netlink_unicast+0x449/0x710 [ 5728.007514][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5728.007514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5728.007514][ T7704] ___sys_sendmsg+0xee/0x170 [ 5728.007514][ T7704] __sys_sendmsg+0xcd/0x170 [ 5728.007514][ T7704] do_syscall_64+0xc6/0x1e0 [ 5728.007514][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.007514][ T7704] [ 5728.009727][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5728.009727][ T7704] netdev_get_by_index+0x5e/0x80 [ 5728.009727][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5728.009727][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5728.009727][ T7704] ip6_route_add+0x1c/0x140 [ 5728.009727][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5728.009727][ T7704] addrconf_add_dev+0xe2/0x170 [ 5728.009727][ T7704] inet6_addr_add+0x12f/0xa40 [ 5728.009727][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5728.009727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.009727][ T7704] netlink_rcv_skb+0x130/0x360 [ 5728.009727][ T7704] netlink_unicast+0x449/0x710 [ 5728.009727][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5728.009727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5728.009727][ T7704] ___sys_sendmsg+0xee/0x170 [ 5728.009727][ T7704] __sys_sendmsg+0xcd/0x170 [ 5728.009727][ T7704] do_syscall_64+0xc6/0x1e0 [ 5728.009727][ T7704] [ 5728.011891][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5728.011891][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5728.011891][ T7704] ipv6_find_idev+0x102/0x170 [ 5728.011891][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5728.011891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.011891][ T7704] netlink_rcv_skb+0x130/0x360 [ 5728.011891][ T7704] netlink_unicast+0x449/0x710 [ 5728.011891][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5728.011891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5728.011891][ T7704] ___sys_sendmsg+0xee/0x170 [ 5728.011891][ T7704] __sys_sendmsg+0xcd/0x170 [ 5728.011891][ T7704] do_syscall_64+0xc6/0x1e0 [ 5728.011891][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.011891][ T7704] [ 5728.013593][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5728.013593][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5728.013593][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5728.013593][ T7704] ipv6_find_idev+0x102/0x170 [ 5728.013593][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5728.013593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.013593][ T7704] netlink_rcv_skb+0x130/0x360 [ 5728.013593][ T7704] netlink_unicast+0x449/0x710 [ 5728.013593][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5728.013593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5728.013593][ T7704] ___sys_sendmsg+0xee/0x170 [ 5728.013593][ T7704] __sys_sendmsg+0xcd/0x170 [ 5728.013593][ T7704] do_syscall_64+0xc6/0x1e0 [ 5728.013593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.013593][ T7704] [ 5738.260807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5738.261300][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5738.261300][ T7704] netdev_get_by_index+0x5e/0x80 [ 5738.261300][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5738.261300][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5738.261300][ T7704] ip6_route_add+0x1c/0x140 [ 5738.261300][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5738.261300][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5738.261300][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5738.261300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5738.261300][ T7704] netlink_rcv_skb+0x130/0x360 [ 5738.261300][ T7704] netlink_unicast+0x449/0x710 [ 5738.261300][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5738.261300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5738.261300][ T7704] ___sys_sendmsg+0xee/0x170 [ 5738.261300][ T7704] __sys_sendmsg+0xcd/0x170 [ 5738.261300][ T7704] do_syscall_64+0xc6/0x1e0 [ 5738.261300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5738.261300][ T7704] [ 5738.263513][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5738.263513][ T7704] netdev_get_by_index+0x5e/0x80 [ 5738.263513][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5738.263513][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5738.263513][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5738.263513][ T7704] ipv6_add_addr+0x411/0x2000 [ 5738.263513][ T7704] inet6_addr_add+0x30e/0xa40 [ 5738.263513][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5738.263513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5738.263513][ T7704] netlink_rcv_skb+0x130/0x360 [ 5738.263513][ T7704] netlink_unicast+0x449/0x710 [ 5738.263513][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5738.263513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5738.263513][ T7704] ___sys_sendmsg+0xee/0x170 [ 5738.263513][ T7704] __sys_sendmsg+0xcd/0x170 [ 5738.263513][ T7704] do_syscall_64+0xc6/0x1e0 [ 5738.263513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5738.263513][ T7704] [ 5738.265715][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5738.265715][ T7704] netdev_get_by_index+0x5e/0x80 [ 5738.265715][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5738.265715][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5738.265715][ T7704] ip6_route_add+0x1c/0x140 [ 5738.265715][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5738.265715][ T7704] addrconf_add_dev+0xe2/0x170 [ 5738.265715][ T7704] inet6_addr_add+0x12f/0xa40 [ 5738.265715][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5738.265715][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5738.265715][ T7704] netlink_rcv_skb+0x130/0x360 [ 5738.265715][ T7704] netlink_unicast+0x449/0x710 [ 5738.265715][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5738.265715][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5738.265715][ T7704] ___sys_sendmsg+0xee/0x170 [ 5738.265715][ T7704] __sys_sendmsg+0xcd/0x170 [ 5738.265715][ T7704] do_syscall_64+0xc6/0x1e0 [ 5738.265715][ T7704] [ 5738.267826][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5738.267826][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5738.267826][ T7704] ipv6_find_idev+0x102/0x170 [ 5738.267826][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5738.267826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5738.267826][ T7704] netlink_rcv_skb+0x130/0x360 [ 5738.267826][ T7704] netlink_unicast+0x449/0x710 [ 5738.267826][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5738.267826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5738.267826][ T7704] ___sys_sendmsg+0xee/0x170 [ 5738.267826][ T7704] __sys_sendmsg+0xcd/0x170 [ 5738.267826][ T7704] do_syscall_64+0xc6/0x1e0 [ 5738.267826][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5738.267826][ T7704] [ 5738.269476][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5738.269476][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5738.269476][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5738.269476][ T7704] ipv6_find_idev+0x102/0x170 [ 5738.269476][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5738.269476][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5738.269476][ T7704] netlink_rcv_skb+0x130/0x360 [ 5738.269476][ T7704] netlink_unicast+0x449/0x710 [ 5738.269476][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5738.269476][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5738.269476][ T7704] ___sys_sendmsg+0xee/0x170 [ 5738.269476][ T7704] __sys_sendmsg+0xcd/0x170 [ 5738.269476][ T7704] do_syscall_64+0xc6/0x1e0 [ 5738.269476][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5738.269476][ T7704] [ 5748.516810][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5748.517280][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5748.517280][ T7704] netdev_get_by_index+0x5e/0x80 [ 5748.517280][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5748.517280][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5748.517280][ T7704] ip6_route_add+0x1c/0x140 [ 5748.517280][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5748.517280][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5748.517280][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5748.517280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5748.517280][ T7704] netlink_rcv_skb+0x130/0x360 [ 5748.517280][ T7704] netlink_unicast+0x449/0x710 [ 5748.517280][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5748.517280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5748.517280][ T7704] ___sys_sendmsg+0xee/0x170 [ 5748.517280][ T7704] __sys_sendmsg+0xcd/0x170 [ 5748.517280][ T7704] do_syscall_64+0xc6/0x1e0 [ 5748.517280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5748.517280][ T7704] [ 5748.519501][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5748.519501][ T7704] netdev_get_by_index+0x5e/0x80 [ 5748.519501][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5748.519501][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5748.519501][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5748.519501][ T7704] ipv6_add_addr+0x411/0x2000 [ 5748.519501][ T7704] inet6_addr_add+0x30e/0xa40 [ 5748.519501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5748.519501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5748.519501][ T7704] netlink_rcv_skb+0x130/0x360 [ 5748.519501][ T7704] netlink_unicast+0x449/0x710 [ 5748.519501][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5748.519501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5748.519501][ T7704] ___sys_sendmsg+0xee/0x170 [ 5748.519501][ T7704] __sys_sendmsg+0xcd/0x170 [ 5748.519501][ T7704] do_syscall_64+0xc6/0x1e0 [ 5748.519501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5748.519501][ T7704] [ 5748.521735][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5748.521735][ T7704] netdev_get_by_index+0x5e/0x80 [ 5748.521735][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5748.521735][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5748.521735][ T7704] ip6_route_add+0x1c/0x140 [ 5748.521735][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5748.521735][ T7704] addrconf_add_dev+0xe2/0x170 [ 5748.521735][ T7704] inet6_addr_add+0x12f/0xa40 [ 5748.521735][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5748.521735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5748.521735][ T7704] netlink_rcv_skb+0x130/0x360 [ 5748.521735][ T7704] netlink_unicast+0x449/0x710 [ 5748.521735][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5748.521735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5748.521735][ T7704] ___sys_sendmsg+0xee/0x170 [ 5748.521735][ T7704] __sys_sendmsg+0xcd/0x170 [ 5748.521735][ T7704] do_syscall_64+0xc6/0x1e0 [ 5748.521735][ T7704] [ 5748.523901][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5748.523901][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5748.523901][ T7704] ipv6_find_idev+0x102/0x170 [ 5748.523901][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5748.523901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5748.523901][ T7704] netlink_rcv_skb+0x130/0x360 [ 5748.523901][ T7704] netlink_unicast+0x449/0x710 [ 5748.523901][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5748.523901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5748.523901][ T7704] ___sys_sendmsg+0xee/0x170 [ 5748.523901][ T7704] __sys_sendmsg+0xcd/0x170 [ 5748.523901][ T7704] do_syscall_64+0xc6/0x1e0 [ 5748.523901][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5748.523901][ T7704] [ 5748.525604][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5748.525604][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5748.525604][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5748.525604][ T7704] ipv6_find_idev+0x102/0x170 [ 5748.525604][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5748.525604][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5748.525604][ T7704] netlink_rcv_skb+0x130/0x360 [ 5748.525604][ T7704] netlink_unicast+0x449/0x710 [ 5748.525604][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5748.525604][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5748.525604][ T7704] ___sys_sendmsg+0xee/0x170 [ 5748.525604][ T7704] __sys_sendmsg+0xcd/0x170 [ 5748.525604][ T7704] do_syscall_64+0xc6/0x1e0 [ 5748.525604][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5748.525604][ T7704] [ 5758.780902][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5758.781395][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5758.781395][ T7704] netdev_get_by_index+0x5e/0x80 [ 5758.781395][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5758.781395][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5758.781395][ T7704] ip6_route_add+0x1c/0x140 [ 5758.781395][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5758.781395][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5758.781395][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5758.781395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5758.781395][ T7704] netlink_rcv_skb+0x130/0x360 [ 5758.781395][ T7704] netlink_unicast+0x449/0x710 [ 5758.781395][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5758.781395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5758.781395][ T7704] ___sys_sendmsg+0xee/0x170 [ 5758.781395][ T7704] __sys_sendmsg+0xcd/0x170 [ 5758.781395][ T7704] do_syscall_64+0xc6/0x1e0 [ 5758.781395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5758.781395][ T7704] [ 5758.783625][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5758.783625][ T7704] netdev_get_by_index+0x5e/0x80 [ 5758.783625][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5758.783625][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5758.783625][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5758.783625][ T7704] ipv6_add_addr+0x411/0x2000 [ 5758.783625][ T7704] inet6_addr_add+0x30e/0xa40 [ 5758.783625][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5758.783625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5758.783625][ T7704] netlink_rcv_skb+0x130/0x360 [ 5758.783625][ T7704] netlink_unicast+0x449/0x710 [ 5758.783625][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5758.783625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5758.783625][ T7704] ___sys_sendmsg+0xee/0x170 [ 5758.783625][ T7704] __sys_sendmsg+0xcd/0x170 [ 5758.783625][ T7704] do_syscall_64+0xc6/0x1e0 [ 5758.783625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5758.783625][ T7704] [ 5758.785842][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5758.785842][ T7704] netdev_get_by_index+0x5e/0x80 [ 5758.785842][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5758.785842][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5758.785842][ T7704] ip6_route_add+0x1c/0x140 [ 5758.785842][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5758.785842][ T7704] addrconf_add_dev+0xe2/0x170 [ 5758.785842][ T7704] inet6_addr_add+0x12f/0xa40 [ 5758.785842][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5758.785842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5758.785842][ T7704] netlink_rcv_skb+0x130/0x360 [ 5758.785842][ T7704] netlink_unicast+0x449/0x710 [ 5758.785842][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5758.785842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5758.785842][ T7704] ___sys_sendmsg+0xee/0x170 [ 5758.785842][ T7704] __sys_sendmsg+0xcd/0x170 [ 5758.785842][ T7704] do_syscall_64+0xc6/0x1e0 [ 5758.785842][ T7704] [ 5758.788026][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5758.788026][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5758.788026][ T7704] ipv6_find_idev+0x102/0x170 [ 5758.788026][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5758.788026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5758.788026][ T7704] netlink_rcv_skb+0x130/0x360 [ 5758.788026][ T7704] netlink_unicast+0x449/0x710 [ 5758.788026][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5758.788026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5758.788026][ T7704] ___sys_sendmsg+0xee/0x170 [ 5758.788026][ T7704] __sys_sendmsg+0xcd/0x170 [ 5758.788026][ T7704] do_syscall_64+0xc6/0x1e0 [ 5758.788026][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5758.788026][ T7704] [ 5758.789717][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5758.789717][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5758.789717][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5758.789717][ T7704] ipv6_find_idev+0x102/0x170 [ 5758.789717][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5758.789717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5758.789717][ T7704] netlink_rcv_skb+0x130/0x360 [ 5758.789717][ T7704] netlink_unicast+0x449/0x710 [ 5758.789717][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5758.789717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5758.789717][ T7704] ___sys_sendmsg+0xee/0x170 [ 5758.789717][ T7704] __sys_sendmsg+0xcd/0x170 [ 5758.789717][ T7704] do_syscall_64+0xc6/0x1e0 [ 5758.789717][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5758.789717][ T7704] [ 5768.812826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5768.813313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5768.813313][ T7704] netdev_get_by_index+0x5e/0x80 [ 5768.813313][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5768.813313][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5768.813313][ T7704] ip6_route_add+0x1c/0x140 [ 5768.813313][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5768.813313][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5768.813313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5768.813313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5768.813313][ T7704] netlink_rcv_skb+0x130/0x360 [ 5768.813313][ T7704] netlink_unicast+0x449/0x710 [ 5768.813313][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5768.813313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5768.813313][ T7704] ___sys_sendmsg+0xee/0x170 [ 5768.813313][ T7704] __sys_sendmsg+0xcd/0x170 [ 5768.813313][ T7704] do_syscall_64+0xc6/0x1e0 [ 5768.813313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5768.813313][ T7704] [ 5768.815553][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5768.815553][ T7704] netdev_get_by_index+0x5e/0x80 [ 5768.815553][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5768.815553][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5768.815553][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5768.815553][ T7704] ipv6_add_addr+0x411/0x2000 [ 5768.815553][ T7704] inet6_addr_add+0x30e/0xa40 [ 5768.815553][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5768.815553][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5768.815553][ T7704] netlink_rcv_skb+0x130/0x360 [ 5768.815553][ T7704] netlink_unicast+0x449/0x710 [ 5768.815553][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5768.815553][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5768.815553][ T7704] ___sys_sendmsg+0xee/0x170 [ 5768.815553][ T7704] __sys_sendmsg+0xcd/0x170 [ 5768.815553][ T7704] do_syscall_64+0xc6/0x1e0 [ 5768.815553][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5768.815553][ T7704] [ 5768.817756][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5768.817756][ T7704] netdev_get_by_index+0x5e/0x80 [ 5768.817756][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5768.817756][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5768.817756][ T7704] ip6_route_add+0x1c/0x140 [ 5768.817756][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5768.817756][ T7704] addrconf_add_dev+0xe2/0x170 [ 5768.817756][ T7704] inet6_addr_add+0x12f/0xa40 [ 5768.817756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5768.817756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5768.817756][ T7704] netlink_rcv_skb+0x130/0x360 [ 5768.817756][ T7704] netlink_unicast+0x449/0x710 [ 5768.817756][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5768.817756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5768.817756][ T7704] ___sys_sendmsg+0xee/0x170 [ 5768.817756][ T7704] __sys_sendmsg+0xcd/0x170 [ 5768.817756][ T7704] do_syscall_64+0xc6/0x1e0 [ 5768.817756][ T7704] [ 5768.819924][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5768.819924][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5768.819924][ T7704] ipv6_find_idev+0x102/0x170 [ 5768.819924][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5768.819924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5768.819924][ T7704] netlink_rcv_skb+0x130/0x360 [ 5768.819924][ T7704] netlink_unicast+0x449/0x710 [ 5768.819924][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5768.819924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5768.819924][ T7704] ___sys_sendmsg+0xee/0x170 [ 5768.819924][ T7704] __sys_sendmsg+0xcd/0x170 [ 5768.819924][ T7704] do_syscall_64+0xc6/0x1e0 [ 5768.819924][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5768.819924][ T7704] [ 5768.821622][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5768.821622][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5768.821622][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5768.821622][ T7704] ipv6_find_idev+0x102/0x170 [ 5768.821622][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5768.821622][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5768.821622][ T7704] netlink_rcv_skb+0x130/0x360 [ 5768.821622][ T7704] netlink_unicast+0x449/0x710 [ 5768.821622][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5768.821622][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5768.821622][ T7704] ___sys_sendmsg+0xee/0x170 [ 5768.821622][ T7704] __sys_sendmsg+0xcd/0x170 [ 5768.821622][ T7704] do_syscall_64+0xc6/0x1e0 [ 5768.821622][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5768.821622][ T7704] [ 5778.860807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5778.861309][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5778.861309][ T7704] netdev_get_by_index+0x5e/0x80 [ 5778.861309][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5778.861309][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5778.861309][ T7704] ip6_route_add+0x1c/0x140 [ 5778.861309][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5778.861309][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5778.861309][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5778.861309][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5778.861309][ T7704] netlink_rcv_skb+0x130/0x360 [ 5778.861309][ T7704] netlink_unicast+0x449/0x710 [ 5778.861309][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5778.861309][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5778.861309][ T7704] ___sys_sendmsg+0xee/0x170 [ 5778.861309][ T7704] __sys_sendmsg+0xcd/0x170 [ 5778.861309][ T7704] do_syscall_64+0xc6/0x1e0 [ 5778.861309][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5778.861309][ T7704] [ 5778.863587][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5778.863587][ T7704] netdev_get_by_index+0x5e/0x80 [ 5778.863587][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5778.863587][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5778.863587][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5778.863587][ T7704] ipv6_add_addr+0x411/0x2000 [ 5778.863587][ T7704] inet6_addr_add+0x30e/0xa40 [ 5778.863587][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5778.863587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5778.863587][ T7704] netlink_rcv_skb+0x130/0x360 [ 5778.863587][ T7704] netlink_unicast+0x449/0x710 [ 5778.863587][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5778.863587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5778.863587][ T7704] ___sys_sendmsg+0xee/0x170 [ 5778.863587][ T7704] __sys_sendmsg+0xcd/0x170 [ 5778.863587][ T7704] do_syscall_64+0xc6/0x1e0 [ 5778.863587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5778.863587][ T7704] [ 5778.865790][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5778.865790][ T7704] netdev_get_by_index+0x5e/0x80 [ 5778.865790][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5778.865790][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5778.865790][ T7704] ip6_route_add+0x1c/0x140 [ 5778.865790][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5778.865790][ T7704] addrconf_add_dev+0xe2/0x170 [ 5778.865790][ T7704] inet6_addr_add+0x12f/0xa40 [ 5778.865790][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5778.865790][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5778.865790][ T7704] netlink_rcv_skb+0x130/0x360 [ 5778.865790][ T7704] netlink_unicast+0x449/0x710 [ 5778.865790][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5778.865790][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5778.865790][ T7704] ___sys_sendmsg+0xee/0x170 [ 5778.865790][ T7704] __sys_sendmsg+0xcd/0x170 [ 5778.865790][ T7704] do_syscall_64+0xc6/0x1e0 [ 5778.865790][ T7704] [ 5778.867953][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5778.867953][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5778.867953][ T7704] ipv6_find_idev+0x102/0x170 [ 5778.867953][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5778.867953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5778.867953][ T7704] netlink_rcv_skb+0x130/0x360 [ 5778.867953][ T7704] netlink_unicast+0x449/0x710 [ 5778.867953][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5778.867953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5778.867953][ T7704] ___sys_sendmsg+0xee/0x170 [ 5778.867953][ T7704] __sys_sendmsg+0xcd/0x170 [ 5778.867953][ T7704] do_syscall_64+0xc6/0x1e0 [ 5778.867953][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5778.867953][ T7704] [ 5778.869661][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5778.869661][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5778.869661][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5778.869661][ T7704] ipv6_find_idev+0x102/0x170 [ 5778.869661][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5778.869661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5778.869661][ T7704] netlink_rcv_skb+0x130/0x360 [ 5778.869661][ T7704] netlink_unicast+0x449/0x710 [ 5778.869661][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5778.869661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5778.869661][ T7704] ___sys_sendmsg+0xee/0x170 [ 5778.869661][ T7704] __sys_sendmsg+0xcd/0x170 [ 5778.869661][ T7704] do_syscall_64+0xc6/0x1e0 [ 5778.869661][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5778.869661][ T7704] [ 5789.108827][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5789.109299][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5789.109299][ T7704] netdev_get_by_index+0x5e/0x80 [ 5789.109299][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5789.109299][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5789.109299][ T7704] ip6_route_add+0x1c/0x140 [ 5789.109299][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5789.109299][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5789.109299][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5789.109299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5789.109299][ T7704] netlink_rcv_skb+0x130/0x360 [ 5789.109299][ T7704] netlink_unicast+0x449/0x710 [ 5789.109299][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5789.109299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5789.109299][ T7704] ___sys_sendmsg+0xee/0x170 [ 5789.109299][ T7704] __sys_sendmsg+0xcd/0x170 [ 5789.109299][ T7704] do_syscall_64+0xc6/0x1e0 [ 5789.109299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5789.109299][ T7704] [ 5789.111530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5789.111530][ T7704] netdev_get_by_index+0x5e/0x80 [ 5789.111530][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5789.111530][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5789.111530][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5789.111530][ T7704] ipv6_add_addr+0x411/0x2000 [ 5789.111530][ T7704] inet6_addr_add+0x30e/0xa40 [ 5789.111530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5789.111530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5789.111530][ T7704] netlink_rcv_skb+0x130/0x360 [ 5789.111530][ T7704] netlink_unicast+0x449/0x710 [ 5789.111530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5789.111530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5789.111530][ T7704] ___sys_sendmsg+0xee/0x170 [ 5789.111530][ T7704] __sys_sendmsg+0xcd/0x170 [ 5789.111530][ T7704] do_syscall_64+0xc6/0x1e0 [ 5789.111530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5789.111530][ T7704] [ 5789.113750][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5789.113750][ T7704] netdev_get_by_index+0x5e/0x80 [ 5789.113750][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5789.113750][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5789.113750][ T7704] ip6_route_add+0x1c/0x140 [ 5789.113750][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5789.113750][ T7704] addrconf_add_dev+0xe2/0x170 [ 5789.113750][ T7704] inet6_addr_add+0x12f/0xa40 [ 5789.113750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5789.113750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5789.113750][ T7704] netlink_rcv_skb+0x130/0x360 [ 5789.113750][ T7704] netlink_unicast+0x449/0x710 [ 5789.113750][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5789.113750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5789.113750][ T7704] ___sys_sendmsg+0xee/0x170 [ 5789.113750][ T7704] __sys_sendmsg+0xcd/0x170 [ 5789.113750][ T7704] do_syscall_64+0xc6/0x1e0 [ 5789.113750][ T7704] [ 5789.115935][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5789.115935][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5789.115935][ T7704] ipv6_find_idev+0x102/0x170 [ 5789.115935][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5789.115935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5789.115935][ T7704] netlink_rcv_skb+0x130/0x360 [ 5789.115935][ T7704] netlink_unicast+0x449/0x710 [ 5789.115935][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5789.115935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5789.115935][ T7704] ___sys_sendmsg+0xee/0x170 [ 5789.115935][ T7704] __sys_sendmsg+0xcd/0x170 [ 5789.115935][ T7704] do_syscall_64+0xc6/0x1e0 [ 5789.115935][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5789.115935][ T7704] [ 5789.117632][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5789.117632][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5789.117632][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5789.117632][ T7704] ipv6_find_idev+0x102/0x170 [ 5789.117632][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5789.117632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5789.117632][ T7704] netlink_rcv_skb+0x130/0x360 [ 5789.117632][ T7704] netlink_unicast+0x449/0x710 [ 5789.117632][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5789.117632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5789.117632][ T7704] ___sys_sendmsg+0xee/0x170 [ 5789.117632][ T7704] __sys_sendmsg+0xcd/0x170 [ 5789.117632][ T7704] do_syscall_64+0xc6/0x1e0 [ 5789.117632][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5789.117632][ T7704] [ 5799.356806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5799.357295][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5799.357295][ T7704] netdev_get_by_index+0x5e/0x80 [ 5799.357295][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5799.357295][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5799.357295][ T7704] ip6_route_add+0x1c/0x140 [ 5799.357295][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5799.357295][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5799.357295][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5799.357295][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5799.357295][ T7704] netlink_rcv_skb+0x130/0x360 [ 5799.357295][ T7704] netlink_unicast+0x449/0x710 [ 5799.357295][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5799.357295][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5799.357295][ T7704] ___sys_sendmsg+0xee/0x170 [ 5799.357295][ T7704] __sys_sendmsg+0xcd/0x170 [ 5799.357295][ T7704] do_syscall_64+0xc6/0x1e0 [ 5799.357295][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5799.357295][ T7704] [ 5799.359531][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5799.359531][ T7704] netdev_get_by_index+0x5e/0x80 [ 5799.359531][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5799.359531][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5799.359531][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5799.359531][ T7704] ipv6_add_addr+0x411/0x2000 [ 5799.359531][ T7704] inet6_addr_add+0x30e/0xa40 [ 5799.359531][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5799.359531][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5799.359531][ T7704] netlink_rcv_skb+0x130/0x360 [ 5799.359531][ T7704] netlink_unicast+0x449/0x710 [ 5799.359531][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5799.359531][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5799.359531][ T7704] ___sys_sendmsg+0xee/0x170 [ 5799.359531][ T7704] __sys_sendmsg+0xcd/0x170 [ 5799.359531][ T7704] do_syscall_64+0xc6/0x1e0 [ 5799.359531][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5799.359531][ T7704] [ 5799.361737][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5799.361737][ T7704] netdev_get_by_index+0x5e/0x80 [ 5799.361737][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5799.361737][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5799.361737][ T7704] ip6_route_add+0x1c/0x140 [ 5799.361737][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5799.361737][ T7704] addrconf_add_dev+0xe2/0x170 [ 5799.361737][ T7704] inet6_addr_add+0x12f/0xa40 [ 5799.361737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5799.361737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5799.361737][ T7704] netlink_rcv_skb+0x130/0x360 [ 5799.361737][ T7704] netlink_unicast+0x449/0x710 [ 5799.361737][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5799.361737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5799.361737][ T7704] ___sys_sendmsg+0xee/0x170 [ 5799.361737][ T7704] __sys_sendmsg+0xcd/0x170 [ 5799.361737][ T7704] do_syscall_64+0xc6/0x1e0 [ 5799.361737][ T7704] [ 5799.363916][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5799.363916][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5799.363916][ T7704] ipv6_find_idev+0x102/0x170 [ 5799.363916][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5799.363916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5799.363916][ T7704] netlink_rcv_skb+0x130/0x360 [ 5799.363916][ T7704] netlink_unicast+0x449/0x710 [ 5799.363916][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5799.363916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5799.363916][ T7704] ___sys_sendmsg+0xee/0x170 [ 5799.363916][ T7704] __sys_sendmsg+0xcd/0x170 [ 5799.363916][ T7704] do_syscall_64+0xc6/0x1e0 [ 5799.363916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5799.363916][ T7704] [ 5799.365619][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5799.365619][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5799.365619][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5799.365619][ T7704] ipv6_find_idev+0x102/0x170 [ 5799.365619][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5799.365619][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5799.365619][ T7704] netlink_rcv_skb+0x130/0x360 [ 5799.365619][ T7704] netlink_unicast+0x449/0x710 [ 5799.365619][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5799.365619][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5799.365619][ T7704] ___sys_sendmsg+0xee/0x170 [ 5799.365619][ T7704] __sys_sendmsg+0xcd/0x170 [ 5799.365619][ T7704] do_syscall_64+0xc6/0x1e0 [ 5799.365619][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5799.365619][ T7704] [ 5809.604803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5809.605266][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5809.605266][ T7704] netdev_get_by_index+0x5e/0x80 [ 5809.605266][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5809.605266][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5809.605266][ T7704] ip6_route_add+0x1c/0x140 [ 5809.605266][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5809.605266][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5809.605266][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5809.605266][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5809.605266][ T7704] netlink_rcv_skb+0x130/0x360 [ 5809.605266][ T7704] netlink_unicast+0x449/0x710 [ 5809.605266][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5809.605266][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5809.605266][ T7704] ___sys_sendmsg+0xee/0x170 [ 5809.605266][ T7704] __sys_sendmsg+0xcd/0x170 [ 5809.605266][ T7704] do_syscall_64+0xc6/0x1e0 [ 5809.605266][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5809.605266][ T7704] [ 5809.607539][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5809.607539][ T7704] netdev_get_by_index+0x5e/0x80 [ 5809.607539][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5809.607539][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5809.607539][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5809.607539][ T7704] ipv6_add_addr+0x411/0x2000 [ 5809.607539][ T7704] inet6_addr_add+0x30e/0xa40 [ 5809.607539][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5809.607539][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5809.607539][ T7704] netlink_rcv_skb+0x130/0x360 [ 5809.607539][ T7704] netlink_unicast+0x449/0x710 [ 5809.607539][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5809.607539][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5809.607539][ T7704] ___sys_sendmsg+0xee/0x170 [ 5809.607539][ T7704] __sys_sendmsg+0xcd/0x170 [ 5809.607539][ T7704] do_syscall_64+0xc6/0x1e0 [ 5809.607539][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5809.607539][ T7704] [ 5809.609746][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5809.609746][ T7704] netdev_get_by_index+0x5e/0x80 [ 5809.609746][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5809.609746][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5809.609746][ T7704] ip6_route_add+0x1c/0x140 [ 5809.609746][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5809.609746][ T7704] addrconf_add_dev+0xe2/0x170 [ 5809.609746][ T7704] inet6_addr_add+0x12f/0xa40 [ 5809.609746][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5809.609746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5809.609746][ T7704] netlink_rcv_skb+0x130/0x360 [ 5809.609746][ T7704] netlink_unicast+0x449/0x710 [ 5809.609746][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5809.609746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5809.609746][ T7704] ___sys_sendmsg+0xee/0x170 [ 5809.609746][ T7704] __sys_sendmsg+0xcd/0x170 [ 5809.609746][ T7704] do_syscall_64+0xc6/0x1e0 [ 5809.609746][ T7704] [ 5809.611914][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5809.611914][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5809.611914][ T7704] ipv6_find_idev+0x102/0x170 [ 5809.611914][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5809.611914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5809.611914][ T7704] netlink_rcv_skb+0x130/0x360 [ 5809.611914][ T7704] netlink_unicast+0x449/0x710 [ 5809.611914][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5809.611914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5809.611914][ T7704] ___sys_sendmsg+0xee/0x170 [ 5809.611914][ T7704] __sys_sendmsg+0xcd/0x170 [ 5809.611914][ T7704] do_syscall_64+0xc6/0x1e0 [ 5809.611914][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5809.611914][ T7704] [ 5809.613658][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5809.613658][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5809.613658][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5809.613658][ T7704] ipv6_find_idev+0x102/0x170 [ 5809.613658][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5809.613658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5809.613658][ T7704] netlink_rcv_skb+0x130/0x360 [ 5809.613658][ T7704] netlink_unicast+0x449/0x710 [ 5809.613658][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5809.613658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5809.613658][ T7704] ___sys_sendmsg+0xee/0x170 [ 5809.613658][ T7704] __sys_sendmsg+0xcd/0x170 [ 5809.613658][ T7704] do_syscall_64+0xc6/0x1e0 [ 5809.613658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5809.613658][ T7704] [ 5819.852749][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5819.853223][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5819.853223][ T7704] netdev_get_by_index+0x5e/0x80 [ 5819.853223][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5819.853223][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5819.853223][ T7704] ip6_route_add+0x1c/0x140 [ 5819.853223][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5819.853223][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5819.853223][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5819.853223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5819.853223][ T7704] netlink_rcv_skb+0x130/0x360 [ 5819.853223][ T7704] netlink_unicast+0x449/0x710 [ 5819.853223][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5819.853223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5819.853223][ T7704] ___sys_sendmsg+0xee/0x170 [ 5819.853223][ T7704] __sys_sendmsg+0xcd/0x170 [ 5819.853223][ T7704] do_syscall_64+0xc6/0x1e0 [ 5819.853223][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5819.853223][ T7704] [ 5819.855455][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5819.855455][ T7704] netdev_get_by_index+0x5e/0x80 [ 5819.855455][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5819.855455][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5819.855455][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5819.855455][ T7704] ipv6_add_addr+0x411/0x2000 [ 5819.855455][ T7704] inet6_addr_add+0x30e/0xa40 [ 5819.855455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5819.855455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5819.855455][ T7704] netlink_rcv_skb+0x130/0x360 [ 5819.855455][ T7704] netlink_unicast+0x449/0x710 [ 5819.855455][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5819.855455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5819.855455][ T7704] ___sys_sendmsg+0xee/0x170 [ 5819.855455][ T7704] __sys_sendmsg+0xcd/0x170 [ 5819.855455][ T7704] do_syscall_64+0xc6/0x1e0 [ 5819.855455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5819.855455][ T7704] [ 5819.857655][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5819.857655][ T7704] netdev_get_by_index+0x5e/0x80 [ 5819.857655][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5819.857655][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5819.857655][ T7704] ip6_route_add+0x1c/0x140 [ 5819.857655][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5819.857655][ T7704] addrconf_add_dev+0xe2/0x170 [ 5819.857655][ T7704] inet6_addr_add+0x12f/0xa40 [ 5819.857655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5819.857655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5819.857655][ T7704] netlink_rcv_skb+0x130/0x360 [ 5819.857655][ T7704] netlink_unicast+0x449/0x710 [ 5819.857655][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5819.857655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5819.857655][ T7704] ___sys_sendmsg+0xee/0x170 [ 5819.857655][ T7704] __sys_sendmsg+0xcd/0x170 [ 5819.857655][ T7704] do_syscall_64+0xc6/0x1e0 [ 5819.857655][ T7704] [ 5819.859817][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5819.859817][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5819.859817][ T7704] ipv6_find_idev+0x102/0x170 [ 5819.859817][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5819.859817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5819.859817][ T7704] netlink_rcv_skb+0x130/0x360 [ 5819.859817][ T7704] netlink_unicast+0x449/0x710 [ 5819.859817][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5819.859817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5819.859817][ T7704] ___sys_sendmsg+0xee/0x170 [ 5819.859817][ T7704] __sys_sendmsg+0xcd/0x170 [ 5819.859817][ T7704] do_syscall_64+0xc6/0x1e0 [ 5819.859817][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5819.859817][ T7704] [ 5819.861510][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5819.861510][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5819.861510][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5819.861510][ T7704] ipv6_find_idev+0x102/0x170 [ 5819.861510][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5819.861510][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5819.861510][ T7704] netlink_rcv_skb+0x130/0x360 [ 5819.861510][ T7704] netlink_unicast+0x449/0x710 [ 5819.861510][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5819.861510][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5819.861510][ T7704] ___sys_sendmsg+0xee/0x170 [ 5819.861510][ T7704] __sys_sendmsg+0xcd/0x170 [ 5819.861510][ T7704] do_syscall_64+0xc6/0x1e0 [ 5819.861510][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5819.861510][ T7704] [ 5830.100824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5830.101315][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5830.101315][ T7704] netdev_get_by_index+0x5e/0x80 [ 5830.101315][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5830.101315][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5830.101315][ T7704] ip6_route_add+0x1c/0x140 [ 5830.101315][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5830.101315][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5830.101315][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5830.101315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5830.101315][ T7704] netlink_rcv_skb+0x130/0x360 [ 5830.101315][ T7704] netlink_unicast+0x449/0x710 [ 5830.101315][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5830.101315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5830.101315][ T7704] ___sys_sendmsg+0xee/0x170 [ 5830.101315][ T7704] __sys_sendmsg+0xcd/0x170 [ 5830.101315][ T7704] do_syscall_64+0xc6/0x1e0 [ 5830.101315][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5830.101315][ T7704] [ 5830.103549][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5830.103549][ T7704] netdev_get_by_index+0x5e/0x80 [ 5830.103549][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5830.103549][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5830.103549][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5830.103549][ T7704] ipv6_add_addr+0x411/0x2000 [ 5830.103549][ T7704] inet6_addr_add+0x30e/0xa40 [ 5830.103549][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5830.103549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5830.103549][ T7704] netlink_rcv_skb+0x130/0x360 [ 5830.103549][ T7704] netlink_unicast+0x449/0x710 [ 5830.103549][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5830.103549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5830.103549][ T7704] ___sys_sendmsg+0xee/0x170 [ 5830.103549][ T7704] __sys_sendmsg+0xcd/0x170 [ 5830.103549][ T7704] do_syscall_64+0xc6/0x1e0 [ 5830.103549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5830.103549][ T7704] [ 5830.105763][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5830.105763][ T7704] netdev_get_by_index+0x5e/0x80 [ 5830.105763][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5830.105763][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5830.105763][ T7704] ip6_route_add+0x1c/0x140 [ 5830.105763][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5830.105763][ T7704] addrconf_add_dev+0xe2/0x170 [ 5830.105763][ T7704] inet6_addr_add+0x12f/0xa40 [ 5830.105763][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5830.105763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5830.105763][ T7704] netlink_rcv_skb+0x130/0x360 [ 5830.105763][ T7704] netlink_unicast+0x449/0x710 [ 5830.105763][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5830.105763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5830.105763][ T7704] ___sys_sendmsg+0xee/0x170 [ 5830.105763][ T7704] __sys_sendmsg+0xcd/0x170 [ 5830.105763][ T7704] do_syscall_64+0xc6/0x1e0 [ 5830.105763][ T7704] [ 5830.107924][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5830.107924][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5830.107924][ T7704] ipv6_find_idev+0x102/0x170 [ 5830.107924][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5830.107924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5830.107924][ T7704] netlink_rcv_skb+0x130/0x360 [ 5830.107924][ T7704] netlink_unicast+0x449/0x710 [ 5830.107924][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5830.107924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5830.107924][ T7704] ___sys_sendmsg+0xee/0x170 [ 5830.107924][ T7704] __sys_sendmsg+0xcd/0x170 [ 5830.107924][ T7704] do_syscall_64+0xc6/0x1e0 [ 5830.107924][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5830.107924][ T7704] [ 5830.109618][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5830.109618][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5830.109618][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5830.109618][ T7704] ipv6_find_idev+0x102/0x170 [ 5830.109618][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5830.109618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5830.109618][ T7704] netlink_rcv_skb+0x130/0x360 [ 5830.109618][ T7704] netlink_unicast+0x449/0x710 [ 5830.109618][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5830.109618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5830.109618][ T7704] ___sys_sendmsg+0xee/0x170 [ 5830.109618][ T7704] __sys_sendmsg+0xcd/0x170 [ 5830.109618][ T7704] do_syscall_64+0xc6/0x1e0 [ 5830.109618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5830.109618][ T7704] [ 5840.348803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5840.349274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5840.349274][ T7704] netdev_get_by_index+0x5e/0x80 [ 5840.349274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5840.349274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5840.349274][ T7704] ip6_route_add+0x1c/0x140 [ 5840.349274][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5840.349274][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5840.349274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5840.349274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5840.349274][ T7704] netlink_rcv_skb+0x130/0x360 [ 5840.349274][ T7704] netlink_unicast+0x449/0x710 [ 5840.349274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5840.349274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5840.349274][ T7704] ___sys_sendmsg+0xee/0x170 [ 5840.349274][ T7704] __sys_sendmsg+0xcd/0x170 [ 5840.349274][ T7704] do_syscall_64+0xc6/0x1e0 [ 5840.349274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5840.349274][ T7704] [ 5840.351901][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5840.351901][ T7704] netdev_get_by_index+0x5e/0x80 [ 5840.351901][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5840.351901][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5840.351901][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5840.351901][ T7704] ipv6_add_addr+0x411/0x2000 [ 5840.351901][ T7704] inet6_addr_add+0x30e/0xa40 [ 5840.351901][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5840.351901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5840.351901][ T7704] netlink_rcv_skb+0x130/0x360 [ 5840.351901][ T7704] netlink_unicast+0x449/0x710 [ 5840.351901][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5840.351901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5840.351901][ T7704] ___sys_sendmsg+0xee/0x170 [ 5840.351901][ T7704] __sys_sendmsg+0xcd/0x170 [ 5840.351901][ T7704] do_syscall_64+0xc6/0x1e0 [ 5840.351901][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5840.351901][ T7704] [ 5840.354122][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5840.354122][ T7704] netdev_get_by_index+0x5e/0x80 [ 5840.354122][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5840.354122][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5840.354122][ T7704] ip6_route_add+0x1c/0x140 [ 5840.354122][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5840.354122][ T7704] addrconf_add_dev+0xe2/0x170 [ 5840.354122][ T7704] inet6_addr_add+0x12f/0xa40 [ 5840.354122][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5840.354122][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5840.354122][ T7704] netlink_rcv_skb+0x130/0x360 [ 5840.354122][ T7704] netlink_unicast+0x449/0x710 [ 5840.354122][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5840.354122][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5840.354122][ T7704] ___sys_sendmsg+0xee/0x170 [ 5840.354122][ T7704] __sys_sendmsg+0xcd/0x170 [ 5840.354122][ T7704] do_syscall_64+0xc6/0x1e0 [ 5840.354122][ T7704] [ 5840.356287][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5840.356287][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5840.356287][ T7704] ipv6_find_idev+0x102/0x170 [ 5840.356287][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5840.356287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5840.356287][ T7704] netlink_rcv_skb+0x130/0x360 [ 5840.356287][ T7704] netlink_unicast+0x449/0x710 [ 5840.356287][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5840.356287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5840.356287][ T7704] ___sys_sendmsg+0xee/0x170 [ 5840.356287][ T7704] __sys_sendmsg+0xcd/0x170 [ 5840.356287][ T7704] do_syscall_64+0xc6/0x1e0 [ 5840.356287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5840.356287][ T7704] [ 5840.357982][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5840.357982][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5840.357982][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5840.357982][ T7704] ipv6_find_idev+0x102/0x170 [ 5840.357982][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5840.357982][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5840.357982][ T7704] netlink_rcv_skb+0x130/0x360 [ 5840.357982][ T7704] netlink_unicast+0x449/0x710 [ 5840.357982][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5840.357982][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5840.357982][ T7704] ___sys_sendmsg+0xee/0x170 [ 5840.357982][ T7704] __sys_sendmsg+0xcd/0x170 [ 5840.357982][ T7704] do_syscall_64+0xc6/0x1e0 [ 5840.357982][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5840.357982][ T7704] [ 5850.428884][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5850.429357][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5850.429357][ T7704] netdev_get_by_index+0x5e/0x80 [ 5850.429357][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5850.429357][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5850.429357][ T7704] ip6_route_add+0x1c/0x140 [ 5850.429357][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5850.429357][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5850.429357][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5850.429357][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5850.429357][ T7704] netlink_rcv_skb+0x130/0x360 [ 5850.429357][ T7704] netlink_unicast+0x449/0x710 [ 5850.429357][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5850.429357][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5850.429357][ T7704] ___sys_sendmsg+0xee/0x170 [ 5850.429357][ T7704] __sys_sendmsg+0xcd/0x170 [ 5850.429357][ T7704] do_syscall_64+0xc6/0x1e0 [ 5850.429357][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5850.429357][ T7704] [ 5850.431615][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5850.431615][ T7704] netdev_get_by_index+0x5e/0x80 [ 5850.431615][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5850.431615][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5850.431615][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5850.431615][ T7704] ipv6_add_addr+0x411/0x2000 [ 5850.431615][ T7704] inet6_addr_add+0x30e/0xa40 [ 5850.431615][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5850.431615][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5850.431615][ T7704] netlink_rcv_skb+0x130/0x360 [ 5850.431615][ T7704] netlink_unicast+0x449/0x710 [ 5850.431615][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5850.431615][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5850.431615][ T7704] ___sys_sendmsg+0xee/0x170 [ 5850.431615][ T7704] __sys_sendmsg+0xcd/0x170 [ 5850.431615][ T7704] do_syscall_64+0xc6/0x1e0 [ 5850.431615][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5850.431615][ T7704] [ 5850.433828][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5850.433828][ T7704] netdev_get_by_index+0x5e/0x80 [ 5850.433828][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5850.433828][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5850.433828][ T7704] ip6_route_add+0x1c/0x140 [ 5850.433828][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5850.433828][ T7704] addrconf_add_dev+0xe2/0x170 [ 5850.433828][ T7704] inet6_addr_add+0x12f/0xa40 [ 5850.433828][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5850.433828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5850.433828][ T7704] netlink_rcv_skb+0x130/0x360 [ 5850.433828][ T7704] netlink_unicast+0x449/0x710 [ 5850.433828][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5850.433828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5850.433828][ T7704] ___sys_sendmsg+0xee/0x170 [ 5850.433828][ T7704] __sys_sendmsg+0xcd/0x170 [ 5850.433828][ T7704] do_syscall_64+0xc6/0x1e0 [ 5850.433828][ T7704] [ 5850.435995][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5850.435995][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5850.435995][ T7704] ipv6_find_idev+0x102/0x170 [ 5850.435995][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5850.435995][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5850.435995][ T7704] netlink_rcv_skb+0x130/0x360 [ 5850.435995][ T7704] netlink_unicast+0x449/0x710 [ 5850.435995][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5850.435995][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5850.435995][ T7704] ___sys_sendmsg+0xee/0x170 [ 5850.435995][ T7704] __sys_sendmsg+0xcd/0x170 [ 5850.435995][ T7704] do_syscall_64+0xc6/0x1e0 [ 5850.435995][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5850.435995][ T7704] [ 5850.437682][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5850.437682][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5850.437682][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5850.437682][ T7704] ipv6_find_idev+0x102/0x170 [ 5850.437682][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5850.437682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5850.437682][ T7704] netlink_rcv_skb+0x130/0x360 [ 5850.437682][ T7704] netlink_unicast+0x449/0x710 [ 5850.437682][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5850.437682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5850.437682][ T7704] ___sys_sendmsg+0xee/0x170 [ 5850.437682][ T7704] __sys_sendmsg+0xcd/0x170 [ 5850.437682][ T7704] do_syscall_64+0xc6/0x1e0 [ 5850.437682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5850.437682][ T7704] [ 5860.684851][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5860.685268][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5860.685268][ T7704] netdev_get_by_index+0x5e/0x80 [ 5860.685268][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5860.685268][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5860.685268][ T7704] ip6_route_add+0x1c/0x140 [ 5860.685268][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5860.685268][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5860.685268][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5860.685268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5860.685268][ T7704] netlink_rcv_skb+0x130/0x360 [ 5860.685268][ T7704] netlink_unicast+0x449/0x710 [ 5860.685268][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5860.685268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5860.685268][ T7704] ___sys_sendmsg+0xee/0x170 [ 5860.685268][ T7704] __sys_sendmsg+0xcd/0x170 [ 5860.685268][ T7704] do_syscall_64+0xc6/0x1e0 [ 5860.685268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5860.685268][ T7704] [ 5860.687497][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5860.687497][ T7704] netdev_get_by_index+0x5e/0x80 [ 5860.687497][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5860.687497][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5860.687497][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5860.687497][ T7704] ipv6_add_addr+0x411/0x2000 [ 5860.687497][ T7704] inet6_addr_add+0x30e/0xa40 [ 5860.687497][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5860.687497][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5860.687497][ T7704] netlink_rcv_skb+0x130/0x360 [ 5860.687497][ T7704] netlink_unicast+0x449/0x710 [ 5860.687497][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5860.687497][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5860.687497][ T7704] ___sys_sendmsg+0xee/0x170 [ 5860.687497][ T7704] __sys_sendmsg+0xcd/0x170 [ 5860.687497][ T7704] do_syscall_64+0xc6/0x1e0 [ 5860.687497][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5860.687497][ T7704] [ 5860.689708][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5860.689708][ T7704] netdev_get_by_index+0x5e/0x80 [ 5860.689708][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5860.689708][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5860.689708][ T7704] ip6_route_add+0x1c/0x140 [ 5860.689708][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5860.689708][ T7704] addrconf_add_dev+0xe2/0x170 [ 5860.689708][ T7704] inet6_addr_add+0x12f/0xa40 [ 5860.689708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5860.689708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5860.689708][ T7704] netlink_rcv_skb+0x130/0x360 [ 5860.689708][ T7704] netlink_unicast+0x449/0x710 [ 5860.689708][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5860.689708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5860.689708][ T7704] ___sys_sendmsg+0xee/0x170 [ 5860.689708][ T7704] __sys_sendmsg+0xcd/0x170 [ 5860.689708][ T7704] do_syscall_64+0xc6/0x1e0 [ 5860.689708][ T7704] [ 5860.691874][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5860.691874][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5860.691874][ T7704] ipv6_find_idev+0x102/0x170 [ 5860.691874][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5860.691874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5860.691874][ T7704] netlink_rcv_skb+0x130/0x360 [ 5860.691874][ T7704] netlink_unicast+0x449/0x710 [ 5860.691874][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5860.691874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5860.691874][ T7704] ___sys_sendmsg+0xee/0x170 [ 5860.691874][ T7704] __sys_sendmsg+0xcd/0x170 [ 5860.691874][ T7704] do_syscall_64+0xc6/0x1e0 [ 5860.691874][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5860.691874][ T7704] [ 5860.693590][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5860.693590][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5860.693590][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5860.693590][ T7704] ipv6_find_idev+0x102/0x170 [ 5860.693590][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5860.693590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5860.693590][ T7704] netlink_rcv_skb+0x130/0x360 [ 5860.693590][ T7704] netlink_unicast+0x449/0x710 [ 5860.693590][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5860.693590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5860.693590][ T7704] ___sys_sendmsg+0xee/0x170 [ 5860.693590][ T7704] __sys_sendmsg+0xcd/0x170 [ 5860.693590][ T7704] do_syscall_64+0xc6/0x1e0 [ 5860.693590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5860.693590][ T7704] [ 5870.884832][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5870.885358][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5870.885358][ T7704] netdev_get_by_index+0x5e/0x80 [ 5870.885358][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5870.885358][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5870.885358][ T7704] ip6_route_add+0x1c/0x140 [ 5870.885358][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5870.885358][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5870.885358][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5870.885358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5870.885358][ T7704] netlink_rcv_skb+0x130/0x360 [ 5870.885358][ T7704] netlink_unicast+0x449/0x710 [ 5870.885358][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5870.885358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5870.885358][ T7704] ___sys_sendmsg+0xee/0x170 [ 5870.885358][ T7704] __sys_sendmsg+0xcd/0x170 [ 5870.885358][ T7704] do_syscall_64+0xc6/0x1e0 [ 5870.885358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5870.885358][ T7704] [ 5870.888106][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5870.888106][ T7704] netdev_get_by_index+0x5e/0x80 [ 5870.888106][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5870.888106][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5870.888106][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5870.888106][ T7704] ipv6_add_addr+0x411/0x2000 [ 5870.888106][ T7704] inet6_addr_add+0x30e/0xa40 [ 5870.888106][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5870.888106][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5870.888106][ T7704] netlink_rcv_skb+0x130/0x360 [ 5870.888106][ T7704] netlink_unicast+0x449/0x710 [ 5870.888106][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5870.888106][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5870.888106][ T7704] ___sys_sendmsg+0xee/0x170 [ 5870.888106][ T7704] __sys_sendmsg+0xcd/0x170 [ 5870.888106][ T7704] do_syscall_64+0xc6/0x1e0 [ 5870.888106][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5870.888106][ T7704] [ 5870.890316][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5870.890316][ T7704] netdev_get_by_index+0x5e/0x80 [ 5870.890316][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5870.890316][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5870.890316][ T7704] ip6_route_add+0x1c/0x140 [ 5870.890316][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5870.890316][ T7704] addrconf_add_dev+0xe2/0x170 [ 5870.890316][ T7704] inet6_addr_add+0x12f/0xa40 [ 5870.890316][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5870.890316][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5870.890316][ T7704] netlink_rcv_skb+0x130/0x360 [ 5870.890316][ T7704] netlink_unicast+0x449/0x710 [ 5870.890316][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5870.890316][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5870.890316][ T7704] ___sys_sendmsg+0xee/0x170 [ 5870.890316][ T7704] __sys_sendmsg+0xcd/0x170 [ 5870.890316][ T7704] do_syscall_64+0xc6/0x1e0 [ 5870.890316][ T7704] [ 5870.892488][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5870.892488][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5870.892488][ T7704] ipv6_find_idev+0x102/0x170 [ 5870.892488][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5870.892488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5870.892488][ T7704] netlink_rcv_skb+0x130/0x360 [ 5870.892488][ T7704] netlink_unicast+0x449/0x710 [ 5870.892488][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5870.892488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5870.892488][ T7704] ___sys_sendmsg+0xee/0x170 [ 5870.892488][ T7704] __sys_sendmsg+0xcd/0x170 [ 5870.892488][ T7704] do_syscall_64+0xc6/0x1e0 [ 5870.892488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5870.892488][ T7704] [ 5870.894196][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5870.894196][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5870.894196][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5870.894196][ T7704] ipv6_find_idev+0x102/0x170 [ 5870.894196][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5870.894196][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5870.894196][ T7704] netlink_rcv_skb+0x130/0x360 [ 5870.894196][ T7704] netlink_unicast+0x449/0x710 [ 5870.894196][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5870.894196][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5870.894196][ T7704] ___sys_sendmsg+0xee/0x170 [ 5870.894196][ T7704] __sys_sendmsg+0xcd/0x170 [ 5870.894196][ T7704] do_syscall_64+0xc6/0x1e0 [ 5870.894196][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5870.894196][ T7704] [ 5881.036814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5881.037288][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5881.037288][ T7704] netdev_get_by_index+0x5e/0x80 [ 5881.037288][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5881.037288][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5881.037288][ T7704] ip6_route_add+0x1c/0x140 [ 5881.037288][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5881.037288][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5881.037288][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5881.037288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5881.037288][ T7704] netlink_rcv_skb+0x130/0x360 [ 5881.037288][ T7704] netlink_unicast+0x449/0x710 [ 5881.037288][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5881.037288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5881.037288][ T7704] ___sys_sendmsg+0xee/0x170 [ 5881.037288][ T7704] __sys_sendmsg+0xcd/0x170 [ 5881.037288][ T7704] do_syscall_64+0xc6/0x1e0 [ 5881.037288][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5881.037288][ T7704] [ 5881.039533][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5881.039533][ T7704] netdev_get_by_index+0x5e/0x80 [ 5881.039533][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5881.039533][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5881.039533][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5881.039533][ T7704] ipv6_add_addr+0x411/0x2000 [ 5881.039533][ T7704] inet6_addr_add+0x30e/0xa40 [ 5881.039533][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5881.039533][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5881.039533][ T7704] netlink_rcv_skb+0x130/0x360 [ 5881.039533][ T7704] netlink_unicast+0x449/0x710 [ 5881.039533][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5881.039533][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5881.039533][ T7704] ___sys_sendmsg+0xee/0x170 [ 5881.039533][ T7704] __sys_sendmsg+0xcd/0x170 [ 5881.039533][ T7704] do_syscall_64+0xc6/0x1e0 [ 5881.039533][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5881.039533][ T7704] [ 5881.041750][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5881.041750][ T7704] netdev_get_by_index+0x5e/0x80 [ 5881.041750][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5881.041750][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5881.041750][ T7704] ip6_route_add+0x1c/0x140 [ 5881.041750][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5881.041750][ T7704] addrconf_add_dev+0xe2/0x170 [ 5881.041750][ T7704] inet6_addr_add+0x12f/0xa40 [ 5881.041750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5881.041750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5881.041750][ T7704] netlink_rcv_skb+0x130/0x360 [ 5881.041750][ T7704] netlink_unicast+0x449/0x710 [ 5881.041750][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5881.041750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5881.041750][ T7704] ___sys_sendmsg+0xee/0x170 [ 5881.041750][ T7704] __sys_sendmsg+0xcd/0x170 [ 5881.041750][ T7704] do_syscall_64+0xc6/0x1e0 [ 5881.041750][ T7704] [ 5881.043927][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5881.043927][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5881.043927][ T7704] ipv6_find_idev+0x102/0x170 [ 5881.043927][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5881.043927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5881.043927][ T7704] netlink_rcv_skb+0x130/0x360 [ 5881.043927][ T7704] netlink_unicast+0x449/0x710 [ 5881.043927][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5881.043927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5881.043927][ T7704] ___sys_sendmsg+0xee/0x170 [ 5881.043927][ T7704] __sys_sendmsg+0xcd/0x170 [ 5881.043927][ T7704] do_syscall_64+0xc6/0x1e0 [ 5881.043927][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5881.043927][ T7704] [ 5881.045620][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5881.045620][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5881.045620][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5881.045620][ T7704] ipv6_find_idev+0x102/0x170 [ 5881.045620][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5881.045620][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5881.045620][ T7704] netlink_rcv_skb+0x130/0x360 [ 5881.045620][ T7704] netlink_unicast+0x449/0x710 [ 5881.045620][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5881.045620][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5881.045620][ T7704] ___sys_sendmsg+0xee/0x170 [ 5881.045620][ T7704] __sys_sendmsg+0xcd/0x170 [ 5881.045620][ T7704] do_syscall_64+0xc6/0x1e0 [ 5881.045620][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5881.045620][ T7704] [ 5891.284839][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5891.285308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5891.285308][ T7704] netdev_get_by_index+0x5e/0x80 [ 5891.285308][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5891.285308][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5891.285308][ T7704] ip6_route_add+0x1c/0x140 [ 5891.285308][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5891.285308][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5891.285308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5891.285308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5891.285308][ T7704] netlink_rcv_skb+0x130/0x360 [ 5891.285308][ T7704] netlink_unicast+0x449/0x710 [ 5891.285308][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5891.285308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5891.285308][ T7704] ___sys_sendmsg+0xee/0x170 [ 5891.285308][ T7704] __sys_sendmsg+0xcd/0x170 [ 5891.285308][ T7704] do_syscall_64+0xc6/0x1e0 [ 5891.285308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5891.285308][ T7704] [ 5891.287537][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5891.287537][ T7704] netdev_get_by_index+0x5e/0x80 [ 5891.287537][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5891.287537][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5891.287537][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5891.287537][ T7704] ipv6_add_addr+0x411/0x2000 [ 5891.287537][ T7704] inet6_addr_add+0x30e/0xa40 [ 5891.287537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5891.287537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5891.287537][ T7704] netlink_rcv_skb+0x130/0x360 [ 5891.287537][ T7704] netlink_unicast+0x449/0x710 [ 5891.287537][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5891.287537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5891.287537][ T7704] ___sys_sendmsg+0xee/0x170 [ 5891.287537][ T7704] __sys_sendmsg+0xcd/0x170 [ 5891.287537][ T7704] do_syscall_64+0xc6/0x1e0 [ 5891.287537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5891.287537][ T7704] [ 5891.289846][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5891.289846][ T7704] netdev_get_by_index+0x5e/0x80 [ 5891.289846][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5891.289846][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5891.289846][ T7704] ip6_route_add+0x1c/0x140 [ 5891.289846][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5891.289846][ T7704] addrconf_add_dev+0xe2/0x170 [ 5891.289846][ T7704] inet6_addr_add+0x12f/0xa40 [ 5891.289846][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5891.289846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5891.289846][ T7704] netlink_rcv_skb+0x130/0x360 [ 5891.289846][ T7704] netlink_unicast+0x449/0x710 [ 5891.289846][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5891.289846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5891.289846][ T7704] ___sys_sendmsg+0xee/0x170 [ 5891.289846][ T7704] __sys_sendmsg+0xcd/0x170 [ 5891.289846][ T7704] do_syscall_64+0xc6/0x1e0 [ 5891.289846][ T7704] [ 5891.293273][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5891.293273][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5891.293273][ T7704] ipv6_find_idev+0x102/0x170 [ 5891.293273][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5891.293273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5891.293273][ T7704] netlink_rcv_skb+0x130/0x360 [ 5891.293273][ T7704] netlink_unicast+0x449/0x710 [ 5891.293273][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5891.293273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5891.293273][ T7704] ___sys_sendmsg+0xee/0x170 [ 5891.293273][ T7704] __sys_sendmsg+0xcd/0x170 [ 5891.293273][ T7704] do_syscall_64+0xc6/0x1e0 [ 5891.293273][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5891.293273][ T7704] [ 5891.295912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5891.295912][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5891.295912][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5891.295912][ T7704] ipv6_find_idev+0x102/0x170 [ 5891.295912][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5891.295912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5891.295912][ T7704] netlink_rcv_skb+0x130/0x360 [ 5891.295912][ T7704] netlink_unicast+0x449/0x710 [ 5891.295912][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5891.295912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5891.295912][ T7704] ___sys_sendmsg+0xee/0x170 [ 5891.295912][ T7704] __sys_sendmsg+0xcd/0x170 [ 5891.295912][ T7704] do_syscall_64+0xc6/0x1e0 [ 5891.295912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5891.295912][ T7704] [ 5901.540827][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5901.541305][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5901.541305][ T7704] netdev_get_by_index+0x5e/0x80 [ 5901.541305][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5901.541305][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5901.541305][ T7704] ip6_route_add+0x1c/0x140 [ 5901.541305][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5901.541305][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5901.541305][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5901.541305][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5901.541305][ T7704] netlink_rcv_skb+0x130/0x360 [ 5901.541305][ T7704] netlink_unicast+0x449/0x710 [ 5901.541305][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5901.541305][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5901.541305][ T7704] ___sys_sendmsg+0xee/0x170 [ 5901.541305][ T7704] __sys_sendmsg+0xcd/0x170 [ 5901.541305][ T7704] do_syscall_64+0xc6/0x1e0 [ 5901.541305][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5901.541305][ T7704] [ 5901.543573][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5901.543573][ T7704] netdev_get_by_index+0x5e/0x80 [ 5901.543573][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5901.543573][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5901.543573][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5901.543573][ T7704] ipv6_add_addr+0x411/0x2000 [ 5901.543573][ T7704] inet6_addr_add+0x30e/0xa40 [ 5901.543573][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5901.543573][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5901.543573][ T7704] netlink_rcv_skb+0x130/0x360 [ 5901.543573][ T7704] netlink_unicast+0x449/0x710 [ 5901.543573][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5901.543573][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5901.543573][ T7704] ___sys_sendmsg+0xee/0x170 [ 5901.543573][ T7704] __sys_sendmsg+0xcd/0x170 [ 5901.543573][ T7704] do_syscall_64+0xc6/0x1e0 [ 5901.543573][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5901.543573][ T7704] [ 5901.546809][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5901.546809][ T7704] netdev_get_by_index+0x5e/0x80 [ 5901.546809][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5901.546809][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5901.546809][ T7704] ip6_route_add+0x1c/0x140 [ 5901.546809][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5901.546809][ T7704] addrconf_add_dev+0xe2/0x170 [ 5901.546809][ T7704] inet6_addr_add+0x12f/0xa40 [ 5901.546809][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5901.546809][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5901.546809][ T7704] netlink_rcv_skb+0x130/0x360 [ 5901.546809][ T7704] netlink_unicast+0x449/0x710 [ 5901.546809][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5901.546809][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5901.546809][ T7704] ___sys_sendmsg+0xee/0x170 [ 5901.546809][ T7704] __sys_sendmsg+0xcd/0x170 [ 5901.546809][ T7704] do_syscall_64+0xc6/0x1e0 [ 5901.546809][ T7704] [ 5901.550159][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5901.550159][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5901.550159][ T7704] ipv6_find_idev+0x102/0x170 [ 5901.550159][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5901.550159][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5901.550159][ T7704] netlink_rcv_skb+0x130/0x360 [ 5901.550159][ T7704] netlink_unicast+0x449/0x710 [ 5901.550159][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5901.550159][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5901.550159][ T7704] ___sys_sendmsg+0xee/0x170 [ 5901.550159][ T7704] __sys_sendmsg+0xcd/0x170 [ 5901.550159][ T7704] do_syscall_64+0xc6/0x1e0 [ 5901.550159][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5901.550159][ T7704] [ 5901.552794][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5901.552794][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5901.552794][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5901.552794][ T7704] ipv6_find_idev+0x102/0x170 [ 5901.552794][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5901.552794][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5901.552794][ T7704] netlink_rcv_skb+0x130/0x360 [ 5901.552794][ T7704] netlink_unicast+0x449/0x710 [ 5901.552794][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5901.552794][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5901.552794][ T7704] ___sys_sendmsg+0xee/0x170 [ 5901.552794][ T7704] __sys_sendmsg+0xcd/0x170 [ 5901.552794][ T7704] do_syscall_64+0xc6/0x1e0 [ 5901.552794][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5901.552794][ T7704] [ 5911.796799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5911.797278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5911.797278][ T7704] netdev_get_by_index+0x5e/0x80 [ 5911.797278][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5911.797278][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5911.797278][ T7704] ip6_route_add+0x1c/0x140 [ 5911.797278][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5911.797278][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5911.797278][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5911.797278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5911.797278][ T7704] netlink_rcv_skb+0x130/0x360 [ 5911.797278][ T7704] netlink_unicast+0x449/0x710 [ 5911.797278][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5911.797278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5911.797278][ T7704] ___sys_sendmsg+0xee/0x170 [ 5911.797278][ T7704] __sys_sendmsg+0xcd/0x170 [ 5911.797278][ T7704] do_syscall_64+0xc6/0x1e0 [ 5911.797278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5911.797278][ T7704] [ 5911.799530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5911.799530][ T7704] netdev_get_by_index+0x5e/0x80 [ 5911.799530][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5911.799530][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5911.799530][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5911.799530][ T7704] ipv6_add_addr+0x411/0x2000 [ 5911.799530][ T7704] inet6_addr_add+0x30e/0xa40 [ 5911.799530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5911.799530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5911.799530][ T7704] netlink_rcv_skb+0x130/0x360 [ 5911.799530][ T7704] netlink_unicast+0x449/0x710 [ 5911.799530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5911.799530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5911.799530][ T7704] ___sys_sendmsg+0xee/0x170 [ 5911.799530][ T7704] __sys_sendmsg+0xcd/0x170 [ 5911.799530][ T7704] do_syscall_64+0xc6/0x1e0 [ 5911.799530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5911.799530][ T7704] [ 5911.801744][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5911.801744][ T7704] netdev_get_by_index+0x5e/0x80 [ 5911.801744][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5911.801744][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5911.801744][ T7704] ip6_route_add+0x1c/0x140 [ 5911.801744][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5911.801744][ T7704] addrconf_add_dev+0xe2/0x170 [ 5911.801744][ T7704] inet6_addr_add+0x12f/0xa40 [ 5911.801744][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5911.801744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5911.801744][ T7704] netlink_rcv_skb+0x130/0x360 [ 5911.801744][ T7704] netlink_unicast+0x449/0x710 [ 5911.801744][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5911.801744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5911.801744][ T7704] ___sys_sendmsg+0xee/0x170 [ 5911.801744][ T7704] __sys_sendmsg+0xcd/0x170 [ 5911.801744][ T7704] do_syscall_64+0xc6/0x1e0 [ 5911.801744][ T7704] [ 5911.803927][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5911.803927][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5911.803927][ T7704] ipv6_find_idev+0x102/0x170 [ 5911.803927][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5911.803927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5911.803927][ T7704] netlink_rcv_skb+0x130/0x360 [ 5911.803927][ T7704] netlink_unicast+0x449/0x710 [ 5911.803927][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5911.803927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5911.803927][ T7704] ___sys_sendmsg+0xee/0x170 [ 5911.803927][ T7704] __sys_sendmsg+0xcd/0x170 [ 5911.803927][ T7704] do_syscall_64+0xc6/0x1e0 [ 5911.803927][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5911.803927][ T7704] [ 5911.805596][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5911.805596][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5911.805596][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5911.805596][ T7704] ipv6_find_idev+0x102/0x170 [ 5911.805596][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5911.805596][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5911.805596][ T7704] netlink_rcv_skb+0x130/0x360 [ 5911.805596][ T7704] netlink_unicast+0x449/0x710 [ 5911.805596][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5911.805596][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5911.805596][ T7704] ___sys_sendmsg+0xee/0x170 [ 5911.805596][ T7704] __sys_sendmsg+0xcd/0x170 [ 5911.805596][ T7704] do_syscall_64+0xc6/0x1e0 [ 5911.805596][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5911.805596][ T7704] [ 5921.988811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5921.989293][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5921.989293][ T7704] netdev_get_by_index+0x5e/0x80 [ 5921.989293][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5921.989293][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5921.989293][ T7704] ip6_route_add+0x1c/0x140 [ 5921.989293][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5921.989293][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5921.989293][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5921.989293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5921.989293][ T7704] netlink_rcv_skb+0x130/0x360 [ 5921.989293][ T7704] netlink_unicast+0x449/0x710 [ 5921.989293][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5921.989293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5921.989293][ T7704] ___sys_sendmsg+0xee/0x170 [ 5921.989293][ T7704] __sys_sendmsg+0xcd/0x170 [ 5921.989293][ T7704] do_syscall_64+0xc6/0x1e0 [ 5921.989293][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5921.989293][ T7704] [ 5921.991519][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5921.991519][ T7704] netdev_get_by_index+0x5e/0x80 [ 5921.991519][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5921.991519][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5921.991519][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5921.991519][ T7704] ipv6_add_addr+0x411/0x2000 [ 5921.991519][ T7704] inet6_addr_add+0x30e/0xa40 [ 5921.991519][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5921.991519][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5921.991519][ T7704] netlink_rcv_skb+0x130/0x360 [ 5921.991519][ T7704] netlink_unicast+0x449/0x710 [ 5921.991519][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5921.991519][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5921.991519][ T7704] ___sys_sendmsg+0xee/0x170 [ 5921.991519][ T7704] __sys_sendmsg+0xcd/0x170 [ 5921.991519][ T7704] do_syscall_64+0xc6/0x1e0 [ 5921.991519][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5921.991519][ T7704] [ 5921.993735][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5921.993735][ T7704] netdev_get_by_index+0x5e/0x80 [ 5921.993735][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5921.993735][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5921.993735][ T7704] ip6_route_add+0x1c/0x140 [ 5921.993735][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5921.993735][ T7704] addrconf_add_dev+0xe2/0x170 [ 5921.993735][ T7704] inet6_addr_add+0x12f/0xa40 [ 5921.993735][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5921.993735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5921.993735][ T7704] netlink_rcv_skb+0x130/0x360 [ 5921.993735][ T7704] netlink_unicast+0x449/0x710 [ 5921.993735][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5921.993735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5921.993735][ T7704] ___sys_sendmsg+0xee/0x170 [ 5921.993735][ T7704] __sys_sendmsg+0xcd/0x170 [ 5921.993735][ T7704] do_syscall_64+0xc6/0x1e0 [ 5921.993735][ T7704] [ 5921.995904][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5921.995904][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5921.995904][ T7704] ipv6_find_idev+0x102/0x170 [ 5921.995904][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5921.995904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5921.995904][ T7704] netlink_rcv_skb+0x130/0x360 [ 5921.995904][ T7704] netlink_unicast+0x449/0x710 [ 5921.995904][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5921.995904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5921.995904][ T7704] ___sys_sendmsg+0xee/0x170 [ 5921.995904][ T7704] __sys_sendmsg+0xcd/0x170 [ 5921.995904][ T7704] do_syscall_64+0xc6/0x1e0 [ 5921.995904][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5921.995904][ T7704] [ 5921.997602][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5921.997602][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5921.997602][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5921.997602][ T7704] ipv6_find_idev+0x102/0x170 [ 5921.997602][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5921.997602][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5921.997602][ T7704] netlink_rcv_skb+0x130/0x360 [ 5921.997602][ T7704] netlink_unicast+0x449/0x710 [ 5921.997602][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5921.997602][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5921.997602][ T7704] ___sys_sendmsg+0xee/0x170 [ 5921.997602][ T7704] __sys_sendmsg+0xcd/0x170 [ 5921.997602][ T7704] do_syscall_64+0xc6/0x1e0 [ 5921.997602][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5921.997602][ T7704] [ 5932.236847][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5932.237335][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5932.237335][ T7704] netdev_get_by_index+0x5e/0x80 [ 5932.237335][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5932.237335][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5932.237335][ T7704] ip6_route_add+0x1c/0x140 [ 5932.237335][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5932.237335][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5932.237335][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5932.237335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5932.237335][ T7704] netlink_rcv_skb+0x130/0x360 [ 5932.237335][ T7704] netlink_unicast+0x449/0x710 [ 5932.237335][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5932.237335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5932.237335][ T7704] ___sys_sendmsg+0xee/0x170 [ 5932.237335][ T7704] __sys_sendmsg+0xcd/0x170 [ 5932.237335][ T7704] do_syscall_64+0xc6/0x1e0 [ 5932.237335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5932.237335][ T7704] [ 5932.239556][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5932.239556][ T7704] netdev_get_by_index+0x5e/0x80 [ 5932.239556][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5932.239556][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5932.239556][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5932.239556][ T7704] ipv6_add_addr+0x411/0x2000 [ 5932.239556][ T7704] inet6_addr_add+0x30e/0xa40 [ 5932.239556][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5932.239556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5932.239556][ T7704] netlink_rcv_skb+0x130/0x360 [ 5932.239556][ T7704] netlink_unicast+0x449/0x710 [ 5932.239556][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5932.239556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5932.239556][ T7704] ___sys_sendmsg+0xee/0x170 [ 5932.239556][ T7704] __sys_sendmsg+0xcd/0x170 [ 5932.239556][ T7704] do_syscall_64+0xc6/0x1e0 [ 5932.239556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5932.239556][ T7704] [ 5932.241758][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5932.241758][ T7704] netdev_get_by_index+0x5e/0x80 [ 5932.241758][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5932.241758][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5932.241758][ T7704] ip6_route_add+0x1c/0x140 [ 5932.241758][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5932.241758][ T7704] addrconf_add_dev+0xe2/0x170 [ 5932.241758][ T7704] inet6_addr_add+0x12f/0xa40 [ 5932.241758][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5932.241758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5932.241758][ T7704] netlink_rcv_skb+0x130/0x360 [ 5932.241758][ T7704] netlink_unicast+0x449/0x710 [ 5932.241758][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5932.241758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5932.241758][ T7704] ___sys_sendmsg+0xee/0x170 [ 5932.241758][ T7704] __sys_sendmsg+0xcd/0x170 [ 5932.241758][ T7704] do_syscall_64+0xc6/0x1e0 [ 5932.241758][ T7704] [ 5932.243938][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5932.243938][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5932.243938][ T7704] ipv6_find_idev+0x102/0x170 [ 5932.243938][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5932.243938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5932.243938][ T7704] netlink_rcv_skb+0x130/0x360 [ 5932.243938][ T7704] netlink_unicast+0x449/0x710 [ 5932.243938][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5932.243938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5932.243938][ T7704] ___sys_sendmsg+0xee/0x170 [ 5932.243938][ T7704] __sys_sendmsg+0xcd/0x170 [ 5932.243938][ T7704] do_syscall_64+0xc6/0x1e0 [ 5932.243938][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5932.243938][ T7704] [ 5932.245635][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5932.245635][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5932.245635][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5932.245635][ T7704] ipv6_find_idev+0x102/0x170 [ 5932.245635][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5932.245635][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5932.245635][ T7704] netlink_rcv_skb+0x130/0x360 [ 5932.245635][ T7704] netlink_unicast+0x449/0x710 [ 5932.245635][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5932.245635][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5932.245635][ T7704] ___sys_sendmsg+0xee/0x170 [ 5932.245635][ T7704] __sys_sendmsg+0xcd/0x170 [ 5932.245635][ T7704] do_syscall_64+0xc6/0x1e0 [ 5932.245635][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5932.245635][ T7704] [ 5942.428819][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5942.429290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5942.429290][ T7704] netdev_get_by_index+0x5e/0x80 [ 5942.429290][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5942.429290][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5942.429290][ T7704] ip6_route_add+0x1c/0x140 [ 5942.429290][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5942.429290][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5942.429290][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5942.429290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5942.429290][ T7704] netlink_rcv_skb+0x130/0x360 [ 5942.429290][ T7704] netlink_unicast+0x449/0x710 [ 5942.429290][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5942.429290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5942.429290][ T7704] ___sys_sendmsg+0xee/0x170 [ 5942.429290][ T7704] __sys_sendmsg+0xcd/0x170 [ 5942.429290][ T7704] do_syscall_64+0xc6/0x1e0 [ 5942.429290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5942.429290][ T7704] [ 5942.431528][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5942.431528][ T7704] netdev_get_by_index+0x5e/0x80 [ 5942.431528][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5942.431528][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5942.431528][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5942.431528][ T7704] ipv6_add_addr+0x411/0x2000 [ 5942.431528][ T7704] inet6_addr_add+0x30e/0xa40 [ 5942.431528][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5942.431528][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5942.431528][ T7704] netlink_rcv_skb+0x130/0x360 [ 5942.431528][ T7704] netlink_unicast+0x449/0x710 [ 5942.431528][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5942.431528][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5942.431528][ T7704] ___sys_sendmsg+0xee/0x170 [ 5942.431528][ T7704] __sys_sendmsg+0xcd/0x170 [ 5942.431528][ T7704] do_syscall_64+0xc6/0x1e0 [ 5942.431528][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5942.431528][ T7704] [ 5942.433861][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5942.433861][ T7704] netdev_get_by_index+0x5e/0x80 [ 5942.433861][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5942.433861][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5942.433861][ T7704] ip6_route_add+0x1c/0x140 [ 5942.433861][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5942.433861][ T7704] addrconf_add_dev+0xe2/0x170 [ 5942.433861][ T7704] inet6_addr_add+0x12f/0xa40 [ 5942.433861][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5942.433861][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5942.433861][ T7704] netlink_rcv_skb+0x130/0x360 [ 5942.433861][ T7704] netlink_unicast+0x449/0x710 [ 5942.433861][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5942.433861][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5942.433861][ T7704] ___sys_sendmsg+0xee/0x170 [ 5942.433861][ T7704] __sys_sendmsg+0xcd/0x170 [ 5942.433861][ T7704] do_syscall_64+0xc6/0x1e0 [ 5942.433861][ T7704] [ 5942.437310][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5942.437310][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5942.437310][ T7704] ipv6_find_idev+0x102/0x170 [ 5942.437310][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5942.437310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5942.437310][ T7704] netlink_rcv_skb+0x130/0x360 [ 5942.437310][ T7704] netlink_unicast+0x449/0x710 [ 5942.437310][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5942.437310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5942.437310][ T7704] ___sys_sendmsg+0xee/0x170 [ 5942.437310][ T7704] __sys_sendmsg+0xcd/0x170 [ 5942.437310][ T7704] do_syscall_64+0xc6/0x1e0 [ 5942.437310][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5942.437310][ T7704] [ 5942.439959][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5942.439959][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5942.439959][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5942.439959][ T7704] ipv6_find_idev+0x102/0x170 [ 5942.439959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5942.439959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5942.439959][ T7704] netlink_rcv_skb+0x130/0x360 [ 5942.439959][ T7704] netlink_unicast+0x449/0x710 [ 5942.439959][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5942.439959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5942.439959][ T7704] ___sys_sendmsg+0xee/0x170 [ 5942.439959][ T7704] __sys_sendmsg+0xcd/0x170 [ 5942.439959][ T7704] do_syscall_64+0xc6/0x1e0 [ 5942.439959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5942.439959][ T7704] [ 5952.692846][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5952.693313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5952.693313][ T7704] netdev_get_by_index+0x5e/0x80 [ 5952.693313][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5952.693313][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5952.693313][ T7704] ip6_route_add+0x1c/0x140 [ 5952.693313][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5952.693313][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5952.693313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5952.693313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5952.693313][ T7704] netlink_rcv_skb+0x130/0x360 [ 5952.693313][ T7704] netlink_unicast+0x449/0x710 [ 5952.693313][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5952.693313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5952.693313][ T7704] ___sys_sendmsg+0xee/0x170 [ 5952.693313][ T7704] __sys_sendmsg+0xcd/0x170 [ 5952.693313][ T7704] do_syscall_64+0xc6/0x1e0 [ 5952.693313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5952.693313][ T7704] [ 5952.695556][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5952.695556][ T7704] netdev_get_by_index+0x5e/0x80 [ 5952.695556][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5952.695556][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5952.695556][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5952.695556][ T7704] ipv6_add_addr+0x411/0x2000 [ 5952.695556][ T7704] inet6_addr_add+0x30e/0xa40 [ 5952.695556][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5952.695556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5952.695556][ T7704] netlink_rcv_skb+0x130/0x360 [ 5952.695556][ T7704] netlink_unicast+0x449/0x710 [ 5952.695556][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5952.695556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5952.695556][ T7704] ___sys_sendmsg+0xee/0x170 [ 5952.695556][ T7704] __sys_sendmsg+0xcd/0x170 [ 5952.695556][ T7704] do_syscall_64+0xc6/0x1e0 [ 5952.695556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5952.695556][ T7704] [ 5952.697764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5952.697764][ T7704] netdev_get_by_index+0x5e/0x80 [ 5952.697764][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5952.697764][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5952.697764][ T7704] ip6_route_add+0x1c/0x140 [ 5952.697764][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5952.697764][ T7704] addrconf_add_dev+0xe2/0x170 [ 5952.697764][ T7704] inet6_addr_add+0x12f/0xa40 [ 5952.697764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5952.697764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5952.697764][ T7704] netlink_rcv_skb+0x130/0x360 [ 5952.697764][ T7704] netlink_unicast+0x449/0x710 [ 5952.697764][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5952.697764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5952.697764][ T7704] ___sys_sendmsg+0xee/0x170 [ 5952.697764][ T7704] __sys_sendmsg+0xcd/0x170 [ 5952.697764][ T7704] do_syscall_64+0xc6/0x1e0 [ 5952.697764][ T7704] [ 5952.699933][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5952.699933][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5952.699933][ T7704] ipv6_find_idev+0x102/0x170 [ 5952.699933][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5952.699933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5952.699933][ T7704] netlink_rcv_skb+0x130/0x360 [ 5952.699933][ T7704] netlink_unicast+0x449/0x710 [ 5952.699933][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5952.699933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5952.699933][ T7704] ___sys_sendmsg+0xee/0x170 [ 5952.699933][ T7704] __sys_sendmsg+0xcd/0x170 [ 5952.699933][ T7704] do_syscall_64+0xc6/0x1e0 [ 5952.699933][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5952.699933][ T7704] [ 5952.701627][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5952.701627][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5952.701627][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5952.701627][ T7704] ipv6_find_idev+0x102/0x170 [ 5952.701627][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5952.701627][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5952.701627][ T7704] netlink_rcv_skb+0x130/0x360 [ 5952.701627][ T7704] netlink_unicast+0x449/0x710 [ 5952.701627][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5952.701627][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5952.701627][ T7704] ___sys_sendmsg+0xee/0x170 [ 5952.701627][ T7704] __sys_sendmsg+0xcd/0x170 [ 5952.701627][ T7704] do_syscall_64+0xc6/0x1e0 [ 5952.701627][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5952.701627][ T7704] [ 5962.948779][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5962.949263][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5962.949263][ T7704] netdev_get_by_index+0x5e/0x80 [ 5962.949263][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5962.949263][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5962.949263][ T7704] ip6_route_add+0x1c/0x140 [ 5962.949263][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5962.949263][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5962.949263][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5962.949263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5962.949263][ T7704] netlink_rcv_skb+0x130/0x360 [ 5962.949263][ T7704] netlink_unicast+0x449/0x710 [ 5962.949263][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5962.949263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5962.949263][ T7704] ___sys_sendmsg+0xee/0x170 [ 5962.949263][ T7704] __sys_sendmsg+0xcd/0x170 [ 5962.949263][ T7704] do_syscall_64+0xc6/0x1e0 [ 5962.949263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5962.949263][ T7704] [ 5962.951534][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5962.951534][ T7704] netdev_get_by_index+0x5e/0x80 [ 5962.951534][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5962.951534][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5962.951534][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5962.951534][ T7704] ipv6_add_addr+0x411/0x2000 [ 5962.951534][ T7704] inet6_addr_add+0x30e/0xa40 [ 5962.951534][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5962.951534][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5962.951534][ T7704] netlink_rcv_skb+0x130/0x360 [ 5962.951534][ T7704] netlink_unicast+0x449/0x710 [ 5962.951534][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5962.951534][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5962.951534][ T7704] ___sys_sendmsg+0xee/0x170 [ 5962.951534][ T7704] __sys_sendmsg+0xcd/0x170 [ 5962.951534][ T7704] do_syscall_64+0xc6/0x1e0 [ 5962.951534][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5962.951534][ T7704] [ 5962.953797][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5962.953797][ T7704] netdev_get_by_index+0x5e/0x80 [ 5962.953797][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5962.953797][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5962.953797][ T7704] ip6_route_add+0x1c/0x140 [ 5962.953797][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5962.953797][ T7704] addrconf_add_dev+0xe2/0x170 [ 5962.953797][ T7704] inet6_addr_add+0x12f/0xa40 [ 5962.953797][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5962.953797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5962.953797][ T7704] netlink_rcv_skb+0x130/0x360 [ 5962.953797][ T7704] netlink_unicast+0x449/0x710 [ 5962.953797][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5962.953797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5962.953797][ T7704] ___sys_sendmsg+0xee/0x170 [ 5962.953797][ T7704] __sys_sendmsg+0xcd/0x170 [ 5962.953797][ T7704] do_syscall_64+0xc6/0x1e0 [ 5962.953797][ T7704] [ 5962.956104][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5962.956104][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5962.956104][ T7704] ipv6_find_idev+0x102/0x170 [ 5962.956104][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5962.956104][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5962.956104][ T7704] netlink_rcv_skb+0x130/0x360 [ 5962.956104][ T7704] netlink_unicast+0x449/0x710 [ 5962.956104][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5962.956104][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5962.956104][ T7704] ___sys_sendmsg+0xee/0x170 [ 5962.956104][ T7704] __sys_sendmsg+0xcd/0x170 [ 5962.956104][ T7704] do_syscall_64+0xc6/0x1e0 [ 5962.956104][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5962.956104][ T7704] [ 5962.957897][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5962.957897][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5962.957897][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5962.957897][ T7704] ipv6_find_idev+0x102/0x170 [ 5962.957897][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5962.957897][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5962.957897][ T7704] netlink_rcv_skb+0x130/0x360 [ 5962.957897][ T7704] netlink_unicast+0x449/0x710 [ 5962.957897][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5962.957897][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5962.957897][ T7704] ___sys_sendmsg+0xee/0x170 [ 5962.957897][ T7704] __sys_sendmsg+0xcd/0x170 [ 5962.957897][ T7704] do_syscall_64+0xc6/0x1e0 [ 5962.957897][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5962.957897][ T7704] [ 5973.212834][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5973.213335][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5973.213335][ T7704] netdev_get_by_index+0x5e/0x80 [ 5973.213335][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5973.213335][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5973.213335][ T7704] ip6_route_add+0x1c/0x140 [ 5973.213335][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5973.213335][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5973.213335][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5973.213335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5973.213335][ T7704] netlink_rcv_skb+0x130/0x360 [ 5973.213335][ T7704] netlink_unicast+0x449/0x710 [ 5973.213335][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5973.213335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5973.213335][ T7704] ___sys_sendmsg+0xee/0x170 [ 5973.213335][ T7704] __sys_sendmsg+0xcd/0x170 [ 5973.213335][ T7704] do_syscall_64+0xc6/0x1e0 [ 5973.213335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5973.213335][ T7704] [ 5973.215640][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5973.215640][ T7704] netdev_get_by_index+0x5e/0x80 [ 5973.215640][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5973.215640][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5973.215640][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5973.215640][ T7704] ipv6_add_addr+0x411/0x2000 [ 5973.215640][ T7704] inet6_addr_add+0x30e/0xa40 [ 5973.215640][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5973.215640][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5973.215640][ T7704] netlink_rcv_skb+0x130/0x360 [ 5973.215640][ T7704] netlink_unicast+0x449/0x710 [ 5973.215640][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5973.215640][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5973.215640][ T7704] ___sys_sendmsg+0xee/0x170 [ 5973.215640][ T7704] __sys_sendmsg+0xcd/0x170 [ 5973.215640][ T7704] do_syscall_64+0xc6/0x1e0 [ 5973.215640][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5973.215640][ T7704] [ 5973.217981][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5973.217981][ T7704] netdev_get_by_index+0x5e/0x80 [ 5973.217981][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5973.217981][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5973.217981][ T7704] ip6_route_add+0x1c/0x140 [ 5973.217981][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5973.217981][ T7704] addrconf_add_dev+0xe2/0x170 [ 5973.217981][ T7704] inet6_addr_add+0x12f/0xa40 [ 5973.217981][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5973.217981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5973.217981][ T7704] netlink_rcv_skb+0x130/0x360 [ 5973.217981][ T7704] netlink_unicast+0x449/0x710 [ 5973.217981][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5973.217981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5973.217981][ T7704] ___sys_sendmsg+0xee/0x170 [ 5973.217981][ T7704] __sys_sendmsg+0xcd/0x170 [ 5973.217981][ T7704] do_syscall_64+0xc6/0x1e0 [ 5973.217981][ T7704] [ 5973.220265][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5973.220265][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5973.220265][ T7704] ipv6_find_idev+0x102/0x170 [ 5973.220265][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5973.220265][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5973.220265][ T7704] netlink_rcv_skb+0x130/0x360 [ 5973.220265][ T7704] netlink_unicast+0x449/0x710 [ 5973.220265][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5973.220265][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5973.220265][ T7704] ___sys_sendmsg+0xee/0x170 [ 5973.220265][ T7704] __sys_sendmsg+0xcd/0x170 [ 5973.220265][ T7704] do_syscall_64+0xc6/0x1e0 [ 5973.220265][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5973.220265][ T7704] [ 5973.222087][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5973.222087][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5973.222087][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5973.222087][ T7704] ipv6_find_idev+0x102/0x170 [ 5973.222087][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5973.222087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5973.222087][ T7704] netlink_rcv_skb+0x130/0x360 [ 5973.222087][ T7704] netlink_unicast+0x449/0x710 [ 5973.222087][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5973.222087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5973.222087][ T7704] ___sys_sendmsg+0xee/0x170 [ 5973.222087][ T7704] __sys_sendmsg+0xcd/0x170 [ 5973.222087][ T7704] do_syscall_64+0xc6/0x1e0 [ 5973.222087][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5973.222087][ T7704] [ 5983.476835][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5983.477337][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5983.477337][ T7704] netdev_get_by_index+0x5e/0x80 [ 5983.477337][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5983.477337][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5983.477337][ T7704] ip6_route_add+0x1c/0x140 [ 5983.477337][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5983.477337][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5983.477337][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5983.477337][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5983.477337][ T7704] netlink_rcv_skb+0x130/0x360 [ 5983.477337][ T7704] netlink_unicast+0x449/0x710 [ 5983.477337][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5983.477337][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5983.477337][ T7704] ___sys_sendmsg+0xee/0x170 [ 5983.477337][ T7704] __sys_sendmsg+0xcd/0x170 [ 5983.477337][ T7704] do_syscall_64+0xc6/0x1e0 [ 5983.477337][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5983.477337][ T7704] [ 5983.479612][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5983.479612][ T7704] netdev_get_by_index+0x5e/0x80 [ 5983.479612][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5983.479612][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5983.479612][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5983.479612][ T7704] ipv6_add_addr+0x411/0x2000 [ 5983.479612][ T7704] inet6_addr_add+0x30e/0xa40 [ 5983.479612][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5983.479612][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5983.479612][ T7704] netlink_rcv_skb+0x130/0x360 [ 5983.479612][ T7704] netlink_unicast+0x449/0x710 [ 5983.479612][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5983.479612][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5983.479612][ T7704] ___sys_sendmsg+0xee/0x170 [ 5983.479612][ T7704] __sys_sendmsg+0xcd/0x170 [ 5983.479612][ T7704] do_syscall_64+0xc6/0x1e0 [ 5983.479612][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5983.479612][ T7704] [ 5983.481839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5983.481839][ T7704] netdev_get_by_index+0x5e/0x80 [ 5983.481839][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5983.481839][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5983.481839][ T7704] ip6_route_add+0x1c/0x140 [ 5983.481839][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5983.481839][ T7704] addrconf_add_dev+0xe2/0x170 [ 5983.481839][ T7704] inet6_addr_add+0x12f/0xa40 [ 5983.481839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5983.481839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5983.481839][ T7704] netlink_rcv_skb+0x130/0x360 [ 5983.481839][ T7704] netlink_unicast+0x449/0x710 [ 5983.481839][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5983.481839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5983.481839][ T7704] ___sys_sendmsg+0xee/0x170 [ 5983.481839][ T7704] __sys_sendmsg+0xcd/0x170 [ 5983.481839][ T7704] do_syscall_64+0xc6/0x1e0 [ 5983.481839][ T7704] [ 5983.484050][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5983.484050][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5983.484050][ T7704] ipv6_find_idev+0x102/0x170 [ 5983.484050][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5983.484050][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5983.484050][ T7704] netlink_rcv_skb+0x130/0x360 [ 5983.484050][ T7704] netlink_unicast+0x449/0x710 [ 5983.484050][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5983.484050][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5983.484050][ T7704] ___sys_sendmsg+0xee/0x170 [ 5983.484050][ T7704] __sys_sendmsg+0xcd/0x170 [ 5983.484050][ T7704] do_syscall_64+0xc6/0x1e0 [ 5983.484050][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5983.484050][ T7704] [ 5983.485768][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5983.485768][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5983.485768][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5983.485768][ T7704] ipv6_find_idev+0x102/0x170 [ 5983.485768][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5983.485768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5983.485768][ T7704] netlink_rcv_skb+0x130/0x360 [ 5983.485768][ T7704] netlink_unicast+0x449/0x710 [ 5983.485768][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5983.485768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5983.485768][ T7704] ___sys_sendmsg+0xee/0x170 [ 5983.485768][ T7704] __sys_sendmsg+0xcd/0x170 [ 5983.485768][ T7704] do_syscall_64+0xc6/0x1e0 [ 5983.485768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5983.485768][ T7704] [ 5993.740842][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 5993.741319][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5993.741319][ T7704] netdev_get_by_index+0x5e/0x80 [ 5993.741319][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5993.741319][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5993.741319][ T7704] ip6_route_add+0x1c/0x140 [ 5993.741319][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 5993.741319][ T7704] inet6_addr_add+0x4f8/0xa40 [ 5993.741319][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5993.741319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5993.741319][ T7704] netlink_rcv_skb+0x130/0x360 [ 5993.741319][ T7704] netlink_unicast+0x449/0x710 [ 5993.741319][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5993.741319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5993.741319][ T7704] ___sys_sendmsg+0xee/0x170 [ 5993.741319][ T7704] __sys_sendmsg+0xcd/0x170 [ 5993.741319][ T7704] do_syscall_64+0xc6/0x1e0 [ 5993.741319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5993.741319][ T7704] [ 5993.743565][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5993.743565][ T7704] netdev_get_by_index+0x5e/0x80 [ 5993.743565][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5993.743565][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5993.743565][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 5993.743565][ T7704] ipv6_add_addr+0x411/0x2000 [ 5993.743565][ T7704] inet6_addr_add+0x30e/0xa40 [ 5993.743565][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5993.743565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5993.743565][ T7704] netlink_rcv_skb+0x130/0x360 [ 5993.743565][ T7704] netlink_unicast+0x449/0x710 [ 5993.743565][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5993.743565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5993.743565][ T7704] ___sys_sendmsg+0xee/0x170 [ 5993.743565][ T7704] __sys_sendmsg+0xcd/0x170 [ 5993.743565][ T7704] do_syscall_64+0xc6/0x1e0 [ 5993.743565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5993.743565][ T7704] [ 5993.745779][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5993.745779][ T7704] netdev_get_by_index+0x5e/0x80 [ 5993.745779][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 5993.745779][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 5993.745779][ T7704] ip6_route_add+0x1c/0x140 [ 5993.745779][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 5993.745779][ T7704] addrconf_add_dev+0xe2/0x170 [ 5993.745779][ T7704] inet6_addr_add+0x12f/0xa40 [ 5993.745779][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 5993.745779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5993.745779][ T7704] netlink_rcv_skb+0x130/0x360 [ 5993.745779][ T7704] netlink_unicast+0x449/0x710 [ 5993.745779][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5993.745779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5993.745779][ T7704] ___sys_sendmsg+0xee/0x170 [ 5993.745779][ T7704] __sys_sendmsg+0xcd/0x170 [ 5993.745779][ T7704] do_syscall_64+0xc6/0x1e0 [ 5993.745779][ T7704] [ 5993.747951][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5993.747951][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 5993.747951][ T7704] ipv6_find_idev+0x102/0x170 [ 5993.747951][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5993.747951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5993.747951][ T7704] netlink_rcv_skb+0x130/0x360 [ 5993.747951][ T7704] netlink_unicast+0x449/0x710 [ 5993.747951][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5993.747951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5993.747951][ T7704] ___sys_sendmsg+0xee/0x170 [ 5993.747951][ T7704] __sys_sendmsg+0xcd/0x170 [ 5993.747951][ T7704] do_syscall_64+0xc6/0x1e0 [ 5993.747951][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5993.747951][ T7704] [ 5993.749670][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 5993.749670][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 5993.749670][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 5993.749670][ T7704] ipv6_find_idev+0x102/0x170 [ 5993.749670][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 5993.749670][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5993.749670][ T7704] netlink_rcv_skb+0x130/0x360 [ 5993.749670][ T7704] netlink_unicast+0x449/0x710 [ 5993.749670][ T7704] netlink_sendmsg+0x723/0xbe0 [ 5993.749670][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 5993.749670][ T7704] ___sys_sendmsg+0xee/0x170 [ 5993.749670][ T7704] __sys_sendmsg+0xcd/0x170 [ 5993.749670][ T7704] do_syscall_64+0xc6/0x1e0 [ 5993.749670][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5993.749670][ T7704] [ 6003.996754][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6003.997239][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6003.997239][ T7704] netdev_get_by_index+0x5e/0x80 [ 6003.997239][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6003.997239][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6003.997239][ T7704] ip6_route_add+0x1c/0x140 [ 6003.997239][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6003.997239][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6003.997239][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6003.997239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6003.997239][ T7704] netlink_rcv_skb+0x130/0x360 [ 6003.997239][ T7704] netlink_unicast+0x449/0x710 [ 6003.997239][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6003.997239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6003.997239][ T7704] ___sys_sendmsg+0xee/0x170 [ 6003.997239][ T7704] __sys_sendmsg+0xcd/0x170 [ 6003.997239][ T7704] do_syscall_64+0xc6/0x1e0 [ 6003.997239][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6003.997239][ T7704] [ 6003.999550][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6003.999550][ T7704] netdev_get_by_index+0x5e/0x80 [ 6003.999550][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6003.999550][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6003.999550][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6003.999550][ T7704] ipv6_add_addr+0x411/0x2000 [ 6003.999550][ T7704] inet6_addr_add+0x30e/0xa40 [ 6003.999550][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6003.999550][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6003.999550][ T7704] netlink_rcv_skb+0x130/0x360 [ 6003.999550][ T7704] netlink_unicast+0x449/0x710 [ 6003.999550][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6003.999550][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6003.999550][ T7704] ___sys_sendmsg+0xee/0x170 [ 6003.999550][ T7704] __sys_sendmsg+0xcd/0x170 [ 6003.999550][ T7704] do_syscall_64+0xc6/0x1e0 [ 6003.999550][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6003.999550][ T7704] [ 6004.002636][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6004.002636][ T7704] netdev_get_by_index+0x5e/0x80 [ 6004.002636][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6004.002636][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6004.002636][ T7704] ip6_route_add+0x1c/0x140 [ 6004.002636][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6004.002636][ T7704] addrconf_add_dev+0xe2/0x170 [ 6004.002636][ T7704] inet6_addr_add+0x12f/0xa40 [ 6004.002636][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6004.002636][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6004.002636][ T7704] netlink_rcv_skb+0x130/0x360 [ 6004.002636][ T7704] netlink_unicast+0x449/0x710 [ 6004.002636][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6004.002636][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6004.002636][ T7704] ___sys_sendmsg+0xee/0x170 [ 6004.002636][ T7704] __sys_sendmsg+0xcd/0x170 [ 6004.002636][ T7704] do_syscall_64+0xc6/0x1e0 [ 6004.002636][ T7704] [ 6004.006191][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6004.006191][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6004.006191][ T7704] ipv6_find_idev+0x102/0x170 [ 6004.006191][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6004.006191][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6004.006191][ T7704] netlink_rcv_skb+0x130/0x360 [ 6004.006191][ T7704] netlink_unicast+0x449/0x710 [ 6004.006191][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6004.006191][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6004.006191][ T7704] ___sys_sendmsg+0xee/0x170 [ 6004.006191][ T7704] __sys_sendmsg+0xcd/0x170 [ 6004.006191][ T7704] do_syscall_64+0xc6/0x1e0 [ 6004.006191][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6004.006191][ T7704] [ 6004.008101][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6004.008101][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6004.008101][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6004.008101][ T7704] ipv6_find_idev+0x102/0x170 [ 6004.008101][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6004.008101][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6004.008101][ T7704] netlink_rcv_skb+0x130/0x360 [ 6004.008101][ T7704] netlink_unicast+0x449/0x710 [ 6004.008101][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6004.008101][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6004.008101][ T7704] ___sys_sendmsg+0xee/0x170 [ 6004.008101][ T7704] __sys_sendmsg+0xcd/0x170 [ 6004.008101][ T7704] do_syscall_64+0xc6/0x1e0 [ 6004.008101][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6004.008101][ T7704] [ 6014.260792][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6014.261462][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6014.261462][ T7704] netdev_get_by_index+0x5e/0x80 [ 6014.261462][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6014.261462][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6014.261462][ T7704] ip6_route_add+0x1c/0x140 [ 6014.261462][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6014.261462][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6014.261462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6014.261462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6014.261462][ T7704] netlink_rcv_skb+0x130/0x360 [ 6014.261462][ T7704] netlink_unicast+0x449/0x710 [ 6014.261462][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6014.261462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6014.261462][ T7704] ___sys_sendmsg+0xee/0x170 [ 6014.261462][ T7704] __sys_sendmsg+0xcd/0x170 [ 6014.261462][ T7704] do_syscall_64+0xc6/0x1e0 [ 6014.261462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6014.261462][ T7704] [ 6014.265022][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6014.265022][ T7704] netdev_get_by_index+0x5e/0x80 [ 6014.265022][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6014.265022][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6014.265022][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6014.265022][ T7704] ipv6_add_addr+0x411/0x2000 [ 6014.265022][ T7704] inet6_addr_add+0x30e/0xa40 [ 6014.265022][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6014.265022][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6014.265022][ T7704] netlink_rcv_skb+0x130/0x360 [ 6014.265022][ T7704] netlink_unicast+0x449/0x710 [ 6014.265022][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6014.265022][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6014.265022][ T7704] ___sys_sendmsg+0xee/0x170 [ 6014.265022][ T7704] __sys_sendmsg+0xcd/0x170 [ 6014.265022][ T7704] do_syscall_64+0xc6/0x1e0 [ 6014.265022][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6014.265022][ T7704] [ 6014.268529][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6014.268529][ T7704] netdev_get_by_index+0x5e/0x80 [ 6014.268529][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6014.268529][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6014.268529][ T7704] ip6_route_add+0x1c/0x140 [ 6014.268529][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6014.268529][ T7704] addrconf_add_dev+0xe2/0x170 [ 6014.268529][ T7704] inet6_addr_add+0x12f/0xa40 [ 6014.268529][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6014.268529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6014.268529][ T7704] netlink_rcv_skb+0x130/0x360 [ 6014.268529][ T7704] netlink_unicast+0x449/0x710 [ 6014.268529][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6014.268529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6014.268529][ T7704] ___sys_sendmsg+0xee/0x170 [ 6014.268529][ T7704] __sys_sendmsg+0xcd/0x170 [ 6014.268529][ T7704] do_syscall_64+0xc6/0x1e0 [ 6014.268529][ T7704] [ 6014.271876][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6014.271876][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6014.271876][ T7704] ipv6_find_idev+0x102/0x170 [ 6014.271876][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6014.271876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6014.271876][ T7704] netlink_rcv_skb+0x130/0x360 [ 6014.271876][ T7704] netlink_unicast+0x449/0x710 [ 6014.271876][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6014.271876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6014.271876][ T7704] ___sys_sendmsg+0xee/0x170 [ 6014.271876][ T7704] __sys_sendmsg+0xcd/0x170 [ 6014.271876][ T7704] do_syscall_64+0xc6/0x1e0 [ 6014.271876][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6014.271876][ T7704] [ 6014.274650][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6014.274650][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6014.274650][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6014.274650][ T7704] ipv6_find_idev+0x102/0x170 [ 6014.274650][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6014.274650][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6014.274650][ T7704] netlink_rcv_skb+0x130/0x360 [ 6014.274650][ T7704] netlink_unicast+0x449/0x710 [ 6014.274650][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6014.274650][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6014.274650][ T7704] ___sys_sendmsg+0xee/0x170 [ 6014.274650][ T7704] __sys_sendmsg+0xcd/0x170 [ 6014.274650][ T7704] do_syscall_64+0xc6/0x1e0 [ 6014.274650][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6014.274650][ T7704] [ 6024.524745][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6024.525233][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6024.525233][ T7704] netdev_get_by_index+0x5e/0x80 [ 6024.525233][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6024.525233][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6024.525233][ T7704] ip6_route_add+0x1c/0x140 [ 6024.525233][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6024.525233][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6024.525233][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6024.525233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6024.525233][ T7704] netlink_rcv_skb+0x130/0x360 [ 6024.525233][ T7704] netlink_unicast+0x449/0x710 [ 6024.525233][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6024.525233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6024.525233][ T7704] ___sys_sendmsg+0xee/0x170 [ 6024.525233][ T7704] __sys_sendmsg+0xcd/0x170 [ 6024.525233][ T7704] do_syscall_64+0xc6/0x1e0 [ 6024.525233][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6024.525233][ T7704] [ 6024.527751][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6024.527751][ T7704] netdev_get_by_index+0x5e/0x80 [ 6024.527751][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6024.527751][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6024.527751][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6024.527751][ T7704] ipv6_add_addr+0x411/0x2000 [ 6024.527751][ T7704] inet6_addr_add+0x30e/0xa40 [ 6024.527751][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6024.527751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6024.527751][ T7704] netlink_rcv_skb+0x130/0x360 [ 6024.527751][ T7704] netlink_unicast+0x449/0x710 [ 6024.527751][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6024.527751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6024.527751][ T7704] ___sys_sendmsg+0xee/0x170 [ 6024.527751][ T7704] __sys_sendmsg+0xcd/0x170 [ 6024.527751][ T7704] do_syscall_64+0xc6/0x1e0 [ 6024.527751][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6024.527751][ T7704] [ 6024.530462][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6024.530462][ T7704] netdev_get_by_index+0x5e/0x80 [ 6024.530462][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6024.530462][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6024.530462][ T7704] ip6_route_add+0x1c/0x140 [ 6024.530462][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6024.530462][ T7704] addrconf_add_dev+0xe2/0x170 [ 6024.530462][ T7704] inet6_addr_add+0x12f/0xa40 [ 6024.530462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6024.530462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6024.530462][ T7704] netlink_rcv_skb+0x130/0x360 [ 6024.530462][ T7704] netlink_unicast+0x449/0x710 [ 6024.530462][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6024.530462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6024.530462][ T7704] ___sys_sendmsg+0xee/0x170 [ 6024.530462][ T7704] __sys_sendmsg+0xcd/0x170 [ 6024.530462][ T7704] do_syscall_64+0xc6/0x1e0 [ 6024.530462][ T7704] [ 6024.532729][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6024.532729][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6024.532729][ T7704] ipv6_find_idev+0x102/0x170 [ 6024.532729][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6024.532729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6024.532729][ T7704] netlink_rcv_skb+0x130/0x360 [ 6024.532729][ T7704] netlink_unicast+0x449/0x710 [ 6024.532729][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6024.532729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6024.532729][ T7704] ___sys_sendmsg+0xee/0x170 [ 6024.532729][ T7704] __sys_sendmsg+0xcd/0x170 [ 6024.532729][ T7704] do_syscall_64+0xc6/0x1e0 [ 6024.532729][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6024.532729][ T7704] [ 6024.534445][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6024.534445][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6024.534445][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6024.534445][ T7704] ipv6_find_idev+0x102/0x170 [ 6024.534445][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6024.534445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6024.534445][ T7704] netlink_rcv_skb+0x130/0x360 [ 6024.534445][ T7704] netlink_unicast+0x449/0x710 [ 6024.534445][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6024.534445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6024.534445][ T7704] ___sys_sendmsg+0xee/0x170 [ 6024.534445][ T7704] __sys_sendmsg+0xcd/0x170 [ 6024.534445][ T7704] do_syscall_64+0xc6/0x1e0 [ 6024.534445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6024.534445][ T7704] [ 6034.788774][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6034.789265][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6034.789265][ T7704] netdev_get_by_index+0x5e/0x80 [ 6034.789265][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6034.789265][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6034.789265][ T7704] ip6_route_add+0x1c/0x140 [ 6034.789265][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6034.789265][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6034.789265][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6034.789265][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6034.789265][ T7704] netlink_rcv_skb+0x130/0x360 [ 6034.789265][ T7704] netlink_unicast+0x449/0x710 [ 6034.789265][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6034.789265][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6034.789265][ T7704] ___sys_sendmsg+0xee/0x170 [ 6034.789265][ T7704] __sys_sendmsg+0xcd/0x170 [ 6034.789265][ T7704] do_syscall_64+0xc6/0x1e0 [ 6034.789265][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6034.789265][ T7704] [ 6034.791629][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6034.791629][ T7704] netdev_get_by_index+0x5e/0x80 [ 6034.791629][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6034.791629][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6034.791629][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6034.791629][ T7704] ipv6_add_addr+0x411/0x2000 [ 6034.791629][ T7704] inet6_addr_add+0x30e/0xa40 [ 6034.791629][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6034.791629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6034.791629][ T7704] netlink_rcv_skb+0x130/0x360 [ 6034.791629][ T7704] netlink_unicast+0x449/0x710 [ 6034.791629][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6034.791629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6034.791629][ T7704] ___sys_sendmsg+0xee/0x170 [ 6034.791629][ T7704] __sys_sendmsg+0xcd/0x170 [ 6034.791629][ T7704] do_syscall_64+0xc6/0x1e0 [ 6034.791629][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6034.791629][ T7704] [ 6034.793924][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6034.793924][ T7704] netdev_get_by_index+0x5e/0x80 [ 6034.793924][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6034.793924][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6034.793924][ T7704] ip6_route_add+0x1c/0x140 [ 6034.793924][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6034.793924][ T7704] addrconf_add_dev+0xe2/0x170 [ 6034.793924][ T7704] inet6_addr_add+0x12f/0xa40 [ 6034.793924][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6034.793924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6034.793924][ T7704] netlink_rcv_skb+0x130/0x360 [ 6034.793924][ T7704] netlink_unicast+0x449/0x710 [ 6034.793924][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6034.793924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6034.793924][ T7704] ___sys_sendmsg+0xee/0x170 [ 6034.793924][ T7704] __sys_sendmsg+0xcd/0x170 [ 6034.793924][ T7704] do_syscall_64+0xc6/0x1e0 [ 6034.793924][ T7704] [ 6034.796147][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6034.796147][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6034.796147][ T7704] ipv6_find_idev+0x102/0x170 [ 6034.796147][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6034.796147][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6034.796147][ T7704] netlink_rcv_skb+0x130/0x360 [ 6034.796147][ T7704] netlink_unicast+0x449/0x710 [ 6034.796147][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6034.796147][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6034.796147][ T7704] ___sys_sendmsg+0xee/0x170 [ 6034.796147][ T7704] __sys_sendmsg+0xcd/0x170 [ 6034.796147][ T7704] do_syscall_64+0xc6/0x1e0 [ 6034.796147][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6034.796147][ T7704] [ 6034.797969][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6034.797969][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6034.797969][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6034.797969][ T7704] ipv6_find_idev+0x102/0x170 [ 6034.797969][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6034.797969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6034.797969][ T7704] netlink_rcv_skb+0x130/0x360 [ 6034.797969][ T7704] netlink_unicast+0x449/0x710 [ 6034.797969][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6034.797969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6034.797969][ T7704] ___sys_sendmsg+0xee/0x170 [ 6034.797969][ T7704] __sys_sendmsg+0xcd/0x170 [ 6034.797969][ T7704] do_syscall_64+0xc6/0x1e0 [ 6034.797969][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6034.797969][ T7704] [ 6045.052821][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6045.053303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6045.053303][ T7704] netdev_get_by_index+0x5e/0x80 [ 6045.053303][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6045.053303][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6045.053303][ T7704] ip6_route_add+0x1c/0x140 [ 6045.053303][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6045.053303][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6045.053303][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6045.053303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6045.053303][ T7704] netlink_rcv_skb+0x130/0x360 [ 6045.053303][ T7704] netlink_unicast+0x449/0x710 [ 6045.053303][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6045.053303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6045.053303][ T7704] ___sys_sendmsg+0xee/0x170 [ 6045.053303][ T7704] __sys_sendmsg+0xcd/0x170 [ 6045.053303][ T7704] do_syscall_64+0xc6/0x1e0 [ 6045.053303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6045.053303][ T7704] [ 6045.055542][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6045.055542][ T7704] netdev_get_by_index+0x5e/0x80 [ 6045.055542][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6045.055542][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6045.055542][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6045.055542][ T7704] ipv6_add_addr+0x411/0x2000 [ 6045.055542][ T7704] inet6_addr_add+0x30e/0xa40 [ 6045.055542][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6045.055542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6045.055542][ T7704] netlink_rcv_skb+0x130/0x360 [ 6045.055542][ T7704] netlink_unicast+0x449/0x710 [ 6045.055542][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6045.055542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6045.055542][ T7704] ___sys_sendmsg+0xee/0x170 [ 6045.055542][ T7704] __sys_sendmsg+0xcd/0x170 [ 6045.055542][ T7704] do_syscall_64+0xc6/0x1e0 [ 6045.055542][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6045.055542][ T7704] [ 6045.057896][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6045.057896][ T7704] netdev_get_by_index+0x5e/0x80 [ 6045.057896][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6045.057896][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6045.057896][ T7704] ip6_route_add+0x1c/0x140 [ 6045.057896][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6045.057896][ T7704] addrconf_add_dev+0xe2/0x170 [ 6045.057896][ T7704] inet6_addr_add+0x12f/0xa40 [ 6045.057896][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6045.057896][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6045.057896][ T7704] netlink_rcv_skb+0x130/0x360 [ 6045.057896][ T7704] netlink_unicast+0x449/0x710 [ 6045.057896][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6045.057896][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6045.057896][ T7704] ___sys_sendmsg+0xee/0x170 [ 6045.057896][ T7704] __sys_sendmsg+0xcd/0x170 [ 6045.057896][ T7704] do_syscall_64+0xc6/0x1e0 [ 6045.057896][ T7704] [ 6045.060097][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6045.060097][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6045.060097][ T7704] ipv6_find_idev+0x102/0x170 [ 6045.060097][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6045.060097][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6045.060097][ T7704] netlink_rcv_skb+0x130/0x360 [ 6045.060097][ T7704] netlink_unicast+0x449/0x710 [ 6045.060097][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6045.060097][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6045.060097][ T7704] ___sys_sendmsg+0xee/0x170 [ 6045.060097][ T7704] __sys_sendmsg+0xcd/0x170 [ 6045.060097][ T7704] do_syscall_64+0xc6/0x1e0 [ 6045.060097][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6045.060097][ T7704] [ 6045.062324][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6045.062324][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6045.062324][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6045.062324][ T7704] ipv6_find_idev+0x102/0x170 [ 6045.062324][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6045.062324][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6045.062324][ T7704] netlink_rcv_skb+0x130/0x360 [ 6045.062324][ T7704] netlink_unicast+0x449/0x710 [ 6045.062324][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6045.062324][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6045.062324][ T7704] ___sys_sendmsg+0xee/0x170 [ 6045.062324][ T7704] __sys_sendmsg+0xcd/0x170 [ 6045.062324][ T7704] do_syscall_64+0xc6/0x1e0 [ 6045.062324][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6045.062324][ T7704] [ 6055.316799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6055.317283][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6055.317283][ T7704] netdev_get_by_index+0x5e/0x80 [ 6055.317283][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6055.317283][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6055.317283][ T7704] ip6_route_add+0x1c/0x140 [ 6055.317283][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6055.317283][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6055.317283][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6055.317283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6055.317283][ T7704] netlink_rcv_skb+0x130/0x360 [ 6055.317283][ T7704] netlink_unicast+0x449/0x710 [ 6055.317283][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6055.317283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6055.317283][ T7704] ___sys_sendmsg+0xee/0x170 [ 6055.317283][ T7704] __sys_sendmsg+0xcd/0x170 [ 6055.317283][ T7704] do_syscall_64+0xc6/0x1e0 [ 6055.317283][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6055.317283][ T7704] [ 6055.320444][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6055.320444][ T7704] netdev_get_by_index+0x5e/0x80 [ 6055.320444][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6055.320444][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6055.320444][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6055.320444][ T7704] ipv6_add_addr+0x411/0x2000 [ 6055.320444][ T7704] inet6_addr_add+0x30e/0xa40 [ 6055.320444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6055.320444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6055.320444][ T7704] netlink_rcv_skb+0x130/0x360 [ 6055.320444][ T7704] netlink_unicast+0x449/0x710 [ 6055.320444][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6055.320444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6055.320444][ T7704] ___sys_sendmsg+0xee/0x170 [ 6055.320444][ T7704] __sys_sendmsg+0xcd/0x170 [ 6055.320444][ T7704] do_syscall_64+0xc6/0x1e0 [ 6055.320444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6055.320444][ T7704] [ 6055.324455][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6055.324455][ T7704] netdev_get_by_index+0x5e/0x80 [ 6055.324455][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6055.324455][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6055.324455][ T7704] ip6_route_add+0x1c/0x140 [ 6055.324455][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6055.324455][ T7704] addrconf_add_dev+0xe2/0x170 [ 6055.324455][ T7704] inet6_addr_add+0x12f/0xa40 [ 6055.324455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6055.324455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6055.324455][ T7704] netlink_rcv_skb+0x130/0x360 [ 6055.324455][ T7704] netlink_unicast+0x449/0x710 [ 6055.324455][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6055.324455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6055.324455][ T7704] ___sys_sendmsg+0xee/0x170 [ 6055.324455][ T7704] __sys_sendmsg+0xcd/0x170 [ 6055.324455][ T7704] do_syscall_64+0xc6/0x1e0 [ 6055.324455][ T7704] [ 6055.327860][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6055.327860][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6055.327860][ T7704] ipv6_find_idev+0x102/0x170 [ 6055.327860][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6055.327860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6055.327860][ T7704] netlink_rcv_skb+0x130/0x360 [ 6055.327860][ T7704] netlink_unicast+0x449/0x710 [ 6055.327860][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6055.327860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6055.327860][ T7704] ___sys_sendmsg+0xee/0x170 [ 6055.327860][ T7704] __sys_sendmsg+0xcd/0x170 [ 6055.327860][ T7704] do_syscall_64+0xc6/0x1e0 [ 6055.327860][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6055.327860][ T7704] [ 6055.330545][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6055.330545][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6055.330545][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6055.330545][ T7704] ipv6_find_idev+0x102/0x170 [ 6055.330545][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6055.330545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6055.330545][ T7704] netlink_rcv_skb+0x130/0x360 [ 6055.330545][ T7704] netlink_unicast+0x449/0x710 [ 6055.330545][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6055.330545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6055.330545][ T7704] ___sys_sendmsg+0xee/0x170 [ 6055.330545][ T7704] __sys_sendmsg+0xcd/0x170 [ 6055.330545][ T7704] do_syscall_64+0xc6/0x1e0 [ 6055.330545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6055.330545][ T7704] [ 6065.580821][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6065.581311][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6065.581311][ T7704] netdev_get_by_index+0x5e/0x80 [ 6065.581311][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6065.581311][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6065.581311][ T7704] ip6_route_add+0x1c/0x140 [ 6065.581311][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6065.581311][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6065.581311][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6065.581311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6065.581311][ T7704] netlink_rcv_skb+0x130/0x360 [ 6065.581311][ T7704] netlink_unicast+0x449/0x710 [ 6065.581311][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6065.581311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6065.581311][ T7704] ___sys_sendmsg+0xee/0x170 [ 6065.581311][ T7704] __sys_sendmsg+0xcd/0x170 [ 6065.581311][ T7704] do_syscall_64+0xc6/0x1e0 [ 6065.581311][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6065.581311][ T7704] [ 6065.583609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6065.583609][ T7704] netdev_get_by_index+0x5e/0x80 [ 6065.583609][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6065.583609][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6065.583609][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6065.583609][ T7704] ipv6_add_addr+0x411/0x2000 [ 6065.583609][ T7704] inet6_addr_add+0x30e/0xa40 [ 6065.583609][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6065.583609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6065.583609][ T7704] netlink_rcv_skb+0x130/0x360 [ 6065.583609][ T7704] netlink_unicast+0x449/0x710 [ 6065.583609][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6065.583609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6065.583609][ T7704] ___sys_sendmsg+0xee/0x170 [ 6065.583609][ T7704] __sys_sendmsg+0xcd/0x170 [ 6065.583609][ T7704] do_syscall_64+0xc6/0x1e0 [ 6065.583609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6065.583609][ T7704] [ 6065.585861][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6065.585861][ T7704] netdev_get_by_index+0x5e/0x80 [ 6065.585861][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6065.585861][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6065.585861][ T7704] ip6_route_add+0x1c/0x140 [ 6065.585861][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6065.585861][ T7704] addrconf_add_dev+0xe2/0x170 [ 6065.585861][ T7704] inet6_addr_add+0x12f/0xa40 [ 6065.585861][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6065.585861][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6065.585861][ T7704] netlink_rcv_skb+0x130/0x360 [ 6065.585861][ T7704] netlink_unicast+0x449/0x710 [ 6065.585861][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6065.585861][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6065.585861][ T7704] ___sys_sendmsg+0xee/0x170 [ 6065.585861][ T7704] __sys_sendmsg+0xcd/0x170 [ 6065.585861][ T7704] do_syscall_64+0xc6/0x1e0 [ 6065.585861][ T7704] [ 6065.588072][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6065.588072][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6065.588072][ T7704] ipv6_find_idev+0x102/0x170 [ 6065.588072][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6065.588072][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6065.588072][ T7704] netlink_rcv_skb+0x130/0x360 [ 6065.588072][ T7704] netlink_unicast+0x449/0x710 [ 6065.588072][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6065.588072][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6065.588072][ T7704] ___sys_sendmsg+0xee/0x170 [ 6065.588072][ T7704] __sys_sendmsg+0xcd/0x170 [ 6065.588072][ T7704] do_syscall_64+0xc6/0x1e0 [ 6065.588072][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6065.588072][ T7704] [ 6065.589775][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6065.589775][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6065.589775][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6065.589775][ T7704] ipv6_find_idev+0x102/0x170 [ 6065.589775][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6065.589775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6065.589775][ T7704] netlink_rcv_skb+0x130/0x360 [ 6065.589775][ T7704] netlink_unicast+0x449/0x710 [ 6065.589775][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6065.589775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6065.589775][ T7704] ___sys_sendmsg+0xee/0x170 [ 6065.589775][ T7704] __sys_sendmsg+0xcd/0x170 [ 6065.589775][ T7704] do_syscall_64+0xc6/0x1e0 [ 6065.589775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6065.589775][ T7704] [ 6075.844800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6075.845283][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6075.845283][ T7704] netdev_get_by_index+0x5e/0x80 [ 6075.845283][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6075.845283][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6075.845283][ T7704] ip6_route_add+0x1c/0x140 [ 6075.845283][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6075.845283][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6075.845283][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6075.845283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6075.845283][ T7704] netlink_rcv_skb+0x130/0x360 [ 6075.845283][ T7704] netlink_unicast+0x449/0x710 [ 6075.845283][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6075.845283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6075.845283][ T7704] ___sys_sendmsg+0xee/0x170 [ 6075.845283][ T7704] __sys_sendmsg+0xcd/0x170 [ 6075.845283][ T7704] do_syscall_64+0xc6/0x1e0 [ 6075.845283][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6075.845283][ T7704] [ 6075.847539][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6075.847539][ T7704] netdev_get_by_index+0x5e/0x80 [ 6075.847539][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6075.847539][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6075.847539][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6075.847539][ T7704] ipv6_add_addr+0x411/0x2000 [ 6075.847539][ T7704] inet6_addr_add+0x30e/0xa40 [ 6075.847539][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6075.847539][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6075.847539][ T7704] netlink_rcv_skb+0x130/0x360 [ 6075.847539][ T7704] netlink_unicast+0x449/0x710 [ 6075.847539][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6075.847539][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6075.847539][ T7704] ___sys_sendmsg+0xee/0x170 [ 6075.847539][ T7704] __sys_sendmsg+0xcd/0x170 [ 6075.847539][ T7704] do_syscall_64+0xc6/0x1e0 [ 6075.847539][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6075.847539][ T7704] [ 6075.849750][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6075.849750][ T7704] netdev_get_by_index+0x5e/0x80 [ 6075.849750][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6075.849750][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6075.849750][ T7704] ip6_route_add+0x1c/0x140 [ 6075.849750][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6075.849750][ T7704] addrconf_add_dev+0xe2/0x170 [ 6075.849750][ T7704] inet6_addr_add+0x12f/0xa40 [ 6075.849750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6075.849750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6075.849750][ T7704] netlink_rcv_skb+0x130/0x360 [ 6075.849750][ T7704] netlink_unicast+0x449/0x710 [ 6075.849750][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6075.849750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6075.849750][ T7704] ___sys_sendmsg+0xee/0x170 [ 6075.849750][ T7704] __sys_sendmsg+0xcd/0x170 [ 6075.849750][ T7704] do_syscall_64+0xc6/0x1e0 [ 6075.849750][ T7704] [ 6075.851930][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6075.851930][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6075.851930][ T7704] ipv6_find_idev+0x102/0x170 [ 6075.851930][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6075.851930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6075.851930][ T7704] netlink_rcv_skb+0x130/0x360 [ 6075.851930][ T7704] netlink_unicast+0x449/0x710 [ 6075.851930][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6075.851930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6075.851930][ T7704] ___sys_sendmsg+0xee/0x170 [ 6075.851930][ T7704] __sys_sendmsg+0xcd/0x170 [ 6075.851930][ T7704] do_syscall_64+0xc6/0x1e0 [ 6075.851930][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6075.851930][ T7704] [ 6075.853643][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6075.853643][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6075.853643][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6075.853643][ T7704] ipv6_find_idev+0x102/0x170 [ 6075.853643][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6075.853643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6075.853643][ T7704] netlink_rcv_skb+0x130/0x360 [ 6075.853643][ T7704] netlink_unicast+0x449/0x710 [ 6075.853643][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6075.853643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6075.853643][ T7704] ___sys_sendmsg+0xee/0x170 [ 6075.853643][ T7704] __sys_sendmsg+0xcd/0x170 [ 6075.853643][ T7704] do_syscall_64+0xc6/0x1e0 [ 6075.853643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6075.853643][ T7704] [ 6086.292915][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6086.293396][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6086.293396][ T7704] netdev_get_by_index+0x5e/0x80 [ 6086.293396][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6086.293396][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6086.293396][ T7704] ip6_route_add+0x1c/0x140 [ 6086.293396][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6086.293396][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6086.293396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6086.293396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6086.293396][ T7704] netlink_rcv_skb+0x130/0x360 [ 6086.293396][ T7704] netlink_unicast+0x449/0x710 [ 6086.293396][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6086.293396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6086.293396][ T7704] ___sys_sendmsg+0xee/0x170 [ 6086.293396][ T7704] __sys_sendmsg+0xcd/0x170 [ 6086.293396][ T7704] do_syscall_64+0xc6/0x1e0 [ 6086.293396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6086.293396][ T7704] [ 6086.295633][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6086.295633][ T7704] netdev_get_by_index+0x5e/0x80 [ 6086.295633][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6086.295633][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6086.295633][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6086.295633][ T7704] ipv6_add_addr+0x411/0x2000 [ 6086.295633][ T7704] inet6_addr_add+0x30e/0xa40 [ 6086.295633][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6086.295633][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6086.295633][ T7704] netlink_rcv_skb+0x130/0x360 [ 6086.295633][ T7704] netlink_unicast+0x449/0x710 [ 6086.295633][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6086.295633][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6086.295633][ T7704] ___sys_sendmsg+0xee/0x170 [ 6086.295633][ T7704] __sys_sendmsg+0xcd/0x170 [ 6086.295633][ T7704] do_syscall_64+0xc6/0x1e0 [ 6086.295633][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6086.295633][ T7704] [ 6086.297844][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6086.297844][ T7704] netdev_get_by_index+0x5e/0x80 [ 6086.297844][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6086.297844][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6086.297844][ T7704] ip6_route_add+0x1c/0x140 [ 6086.297844][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6086.297844][ T7704] addrconf_add_dev+0xe2/0x170 [ 6086.297844][ T7704] inet6_addr_add+0x12f/0xa40 [ 6086.297844][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6086.297844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6086.297844][ T7704] netlink_rcv_skb+0x130/0x360 [ 6086.297844][ T7704] netlink_unicast+0x449/0x710 [ 6086.297844][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6086.297844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6086.297844][ T7704] ___sys_sendmsg+0xee/0x170 [ 6086.297844][ T7704] __sys_sendmsg+0xcd/0x170 [ 6086.297844][ T7704] do_syscall_64+0xc6/0x1e0 [ 6086.297844][ T7704] [ 6086.300030][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6086.300030][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6086.300030][ T7704] ipv6_find_idev+0x102/0x170 [ 6086.300030][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6086.300030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6086.300030][ T7704] netlink_rcv_skb+0x130/0x360 [ 6086.300030][ T7704] netlink_unicast+0x449/0x710 [ 6086.300030][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6086.300030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6086.300030][ T7704] ___sys_sendmsg+0xee/0x170 [ 6086.300030][ T7704] __sys_sendmsg+0xcd/0x170 [ 6086.300030][ T7704] do_syscall_64+0xc6/0x1e0 [ 6086.300030][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6086.300030][ T7704] [ 6086.301733][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6086.301733][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6086.301733][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6086.301733][ T7704] ipv6_find_idev+0x102/0x170 [ 6086.301733][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6086.301733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6086.301733][ T7704] netlink_rcv_skb+0x130/0x360 [ 6086.301733][ T7704] netlink_unicast+0x449/0x710 [ 6086.301733][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6086.301733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6086.301733][ T7704] ___sys_sendmsg+0xee/0x170 [ 6086.301733][ T7704] __sys_sendmsg+0xcd/0x170 [ 6086.301733][ T7704] do_syscall_64+0xc6/0x1e0 [ 6086.301733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6086.301733][ T7704] [ 6096.428826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6096.429305][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6096.429305][ T7704] netdev_get_by_index+0x5e/0x80 [ 6096.429305][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6096.429305][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6096.429305][ T7704] ip6_route_add+0x1c/0x140 [ 6096.429305][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6096.429305][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6096.429305][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6096.429305][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6096.429305][ T7704] netlink_rcv_skb+0x130/0x360 [ 6096.429305][ T7704] netlink_unicast+0x449/0x710 [ 6096.429305][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6096.429305][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6096.429305][ T7704] ___sys_sendmsg+0xee/0x170 [ 6096.429305][ T7704] __sys_sendmsg+0xcd/0x170 [ 6096.429305][ T7704] do_syscall_64+0xc6/0x1e0 [ 6096.429305][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6096.429305][ T7704] [ 6096.431549][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6096.431549][ T7704] netdev_get_by_index+0x5e/0x80 [ 6096.431549][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6096.431549][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6096.431549][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6096.431549][ T7704] ipv6_add_addr+0x411/0x2000 [ 6096.431549][ T7704] inet6_addr_add+0x30e/0xa40 [ 6096.431549][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6096.431549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6096.431549][ T7704] netlink_rcv_skb+0x130/0x360 [ 6096.431549][ T7704] netlink_unicast+0x449/0x710 [ 6096.431549][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6096.431549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6096.431549][ T7704] ___sys_sendmsg+0xee/0x170 [ 6096.431549][ T7704] __sys_sendmsg+0xcd/0x170 [ 6096.431549][ T7704] do_syscall_64+0xc6/0x1e0 [ 6096.431549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6096.431549][ T7704] [ 6096.433761][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6096.433761][ T7704] netdev_get_by_index+0x5e/0x80 [ 6096.433761][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6096.433761][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6096.433761][ T7704] ip6_route_add+0x1c/0x140 [ 6096.433761][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6096.433761][ T7704] addrconf_add_dev+0xe2/0x170 [ 6096.433761][ T7704] inet6_addr_add+0x12f/0xa40 [ 6096.433761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6096.433761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6096.433761][ T7704] netlink_rcv_skb+0x130/0x360 [ 6096.433761][ T7704] netlink_unicast+0x449/0x710 [ 6096.433761][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6096.433761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6096.433761][ T7704] ___sys_sendmsg+0xee/0x170 [ 6096.433761][ T7704] __sys_sendmsg+0xcd/0x170 [ 6096.433761][ T7704] do_syscall_64+0xc6/0x1e0 [ 6096.433761][ T7704] [ 6096.435931][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6096.435931][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6096.435931][ T7704] ipv6_find_idev+0x102/0x170 [ 6096.435931][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6096.435931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6096.435931][ T7704] netlink_rcv_skb+0x130/0x360 [ 6096.435931][ T7704] netlink_unicast+0x449/0x710 [ 6096.435931][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6096.435931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6096.435931][ T7704] ___sys_sendmsg+0xee/0x170 [ 6096.435931][ T7704] __sys_sendmsg+0xcd/0x170 [ 6096.435931][ T7704] do_syscall_64+0xc6/0x1e0 [ 6096.435931][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6096.435931][ T7704] [ 6096.437628][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6096.437628][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6096.437628][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6096.437628][ T7704] ipv6_find_idev+0x102/0x170 [ 6096.437628][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6096.437628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6096.437628][ T7704] netlink_rcv_skb+0x130/0x360 [ 6096.437628][ T7704] netlink_unicast+0x449/0x710 [ 6096.437628][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6096.437628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6096.437628][ T7704] ___sys_sendmsg+0xee/0x170 [ 6096.437628][ T7704] __sys_sendmsg+0xcd/0x170 [ 6096.437628][ T7704] do_syscall_64+0xc6/0x1e0 [ 6096.437628][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6096.437628][ T7704] [ 6106.676750][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6106.677236][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6106.677236][ T7704] netdev_get_by_index+0x5e/0x80 [ 6106.677236][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6106.677236][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6106.677236][ T7704] ip6_route_add+0x1c/0x140 [ 6106.677236][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6106.677236][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6106.677236][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6106.677236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6106.677236][ T7704] netlink_rcv_skb+0x130/0x360 [ 6106.677236][ T7704] netlink_unicast+0x449/0x710 [ 6106.677236][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6106.677236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6106.677236][ T7704] ___sys_sendmsg+0xee/0x170 [ 6106.677236][ T7704] __sys_sendmsg+0xcd/0x170 [ 6106.677236][ T7704] do_syscall_64+0xc6/0x1e0 [ 6106.677236][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6106.677236][ T7704] [ 6106.679458][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6106.679458][ T7704] netdev_get_by_index+0x5e/0x80 [ 6106.679458][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6106.679458][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6106.679458][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6106.679458][ T7704] ipv6_add_addr+0x411/0x2000 [ 6106.679458][ T7704] inet6_addr_add+0x30e/0xa40 [ 6106.679458][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6106.679458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6106.679458][ T7704] netlink_rcv_skb+0x130/0x360 [ 6106.679458][ T7704] netlink_unicast+0x449/0x710 [ 6106.679458][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6106.679458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6106.679458][ T7704] ___sys_sendmsg+0xee/0x170 [ 6106.679458][ T7704] __sys_sendmsg+0xcd/0x170 [ 6106.679458][ T7704] do_syscall_64+0xc6/0x1e0 [ 6106.679458][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6106.679458][ T7704] [ 6106.681667][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6106.681667][ T7704] netdev_get_by_index+0x5e/0x80 [ 6106.681667][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6106.681667][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6106.681667][ T7704] ip6_route_add+0x1c/0x140 [ 6106.681667][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6106.681667][ T7704] addrconf_add_dev+0xe2/0x170 [ 6106.681667][ T7704] inet6_addr_add+0x12f/0xa40 [ 6106.681667][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6106.681667][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6106.681667][ T7704] netlink_rcv_skb+0x130/0x360 [ 6106.681667][ T7704] netlink_unicast+0x449/0x710 [ 6106.681667][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6106.681667][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6106.681667][ T7704] ___sys_sendmsg+0xee/0x170 [ 6106.681667][ T7704] __sys_sendmsg+0xcd/0x170 [ 6106.681667][ T7704] do_syscall_64+0xc6/0x1e0 [ 6106.681667][ T7704] [ 6106.683859][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6106.683859][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6106.683859][ T7704] ipv6_find_idev+0x102/0x170 [ 6106.683859][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6106.683859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6106.683859][ T7704] netlink_rcv_skb+0x130/0x360 [ 6106.683859][ T7704] netlink_unicast+0x449/0x710 [ 6106.683859][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6106.683859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6106.683859][ T7704] ___sys_sendmsg+0xee/0x170 [ 6106.683859][ T7704] __sys_sendmsg+0xcd/0x170 [ 6106.683859][ T7704] do_syscall_64+0xc6/0x1e0 [ 6106.683859][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6106.683859][ T7704] [ 6106.685562][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6106.685562][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6106.685562][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6106.685562][ T7704] ipv6_find_idev+0x102/0x170 [ 6106.685562][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6106.685562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6106.685562][ T7704] netlink_rcv_skb+0x130/0x360 [ 6106.685562][ T7704] netlink_unicast+0x449/0x710 [ 6106.685562][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6106.685562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6106.685562][ T7704] ___sys_sendmsg+0xee/0x170 [ 6106.685562][ T7704] __sys_sendmsg+0xcd/0x170 [ 6106.685562][ T7704] do_syscall_64+0xc6/0x1e0 [ 6106.685562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6106.685562][ T7704] [ 6116.924825][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6116.925313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6116.925313][ T7704] netdev_get_by_index+0x5e/0x80 [ 6116.925313][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6116.925313][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6116.925313][ T7704] ip6_route_add+0x1c/0x140 [ 6116.925313][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6116.925313][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6116.925313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6116.925313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6116.925313][ T7704] netlink_rcv_skb+0x130/0x360 [ 6116.925313][ T7704] netlink_unicast+0x449/0x710 [ 6116.925313][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6116.925313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6116.925313][ T7704] ___sys_sendmsg+0xee/0x170 [ 6116.925313][ T7704] __sys_sendmsg+0xcd/0x170 [ 6116.925313][ T7704] do_syscall_64+0xc6/0x1e0 [ 6116.925313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6116.925313][ T7704] [ 6116.927529][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6116.927529][ T7704] netdev_get_by_index+0x5e/0x80 [ 6116.927529][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6116.927529][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6116.927529][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6116.927529][ T7704] ipv6_add_addr+0x411/0x2000 [ 6116.927529][ T7704] inet6_addr_add+0x30e/0xa40 [ 6116.927529][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6116.927529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6116.927529][ T7704] netlink_rcv_skb+0x130/0x360 [ 6116.927529][ T7704] netlink_unicast+0x449/0x710 [ 6116.927529][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6116.927529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6116.927529][ T7704] ___sys_sendmsg+0xee/0x170 [ 6116.927529][ T7704] __sys_sendmsg+0xcd/0x170 [ 6116.927529][ T7704] do_syscall_64+0xc6/0x1e0 [ 6116.927529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6116.927529][ T7704] [ 6116.929740][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6116.929740][ T7704] netdev_get_by_index+0x5e/0x80 [ 6116.929740][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6116.929740][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6116.929740][ T7704] ip6_route_add+0x1c/0x140 [ 6116.929740][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6116.929740][ T7704] addrconf_add_dev+0xe2/0x170 [ 6116.929740][ T7704] inet6_addr_add+0x12f/0xa40 [ 6116.929740][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6116.929740][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6116.929740][ T7704] netlink_rcv_skb+0x130/0x360 [ 6116.929740][ T7704] netlink_unicast+0x449/0x710 [ 6116.929740][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6116.929740][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6116.929740][ T7704] ___sys_sendmsg+0xee/0x170 [ 6116.929740][ T7704] __sys_sendmsg+0xcd/0x170 [ 6116.929740][ T7704] do_syscall_64+0xc6/0x1e0 [ 6116.929740][ T7704] [ 6116.931921][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6116.931921][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6116.931921][ T7704] ipv6_find_idev+0x102/0x170 [ 6116.931921][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6116.931921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6116.931921][ T7704] netlink_rcv_skb+0x130/0x360 [ 6116.931921][ T7704] netlink_unicast+0x449/0x710 [ 6116.931921][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6116.931921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6116.931921][ T7704] ___sys_sendmsg+0xee/0x170 [ 6116.931921][ T7704] __sys_sendmsg+0xcd/0x170 [ 6116.931921][ T7704] do_syscall_64+0xc6/0x1e0 [ 6116.931921][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6116.931921][ T7704] [ 6116.933650][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6116.933650][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6116.933650][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6116.933650][ T7704] ipv6_find_idev+0x102/0x170 [ 6116.933650][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6116.933650][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6116.933650][ T7704] netlink_rcv_skb+0x130/0x360 [ 6116.933650][ T7704] netlink_unicast+0x449/0x710 [ 6116.933650][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6116.933650][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6116.933650][ T7704] ___sys_sendmsg+0xee/0x170 [ 6116.933650][ T7704] __sys_sendmsg+0xcd/0x170 [ 6116.933650][ T7704] do_syscall_64+0xc6/0x1e0 [ 6116.933650][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6116.933650][ T7704] [ 6126.956816][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6126.957476][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6126.957476][ T7704] netdev_get_by_index+0x5e/0x80 [ 6126.957476][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6126.957476][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6126.957476][ T7704] ip6_route_add+0x1c/0x140 [ 6126.957476][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6126.957476][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6126.957476][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6126.957476][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6126.957476][ T7704] netlink_rcv_skb+0x130/0x360 [ 6126.957476][ T7704] netlink_unicast+0x449/0x710 [ 6126.957476][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6126.957476][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6126.957476][ T7704] ___sys_sendmsg+0xee/0x170 [ 6126.957476][ T7704] __sys_sendmsg+0xcd/0x170 [ 6126.957476][ T7704] do_syscall_64+0xc6/0x1e0 [ 6126.957476][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6126.957476][ T7704] [ 6126.961009][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6126.961009][ T7704] netdev_get_by_index+0x5e/0x80 [ 6126.961009][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6126.961009][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6126.961009][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6126.961009][ T7704] ipv6_add_addr+0x411/0x2000 [ 6126.961009][ T7704] inet6_addr_add+0x30e/0xa40 [ 6126.961009][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6126.961009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6126.961009][ T7704] netlink_rcv_skb+0x130/0x360 [ 6126.961009][ T7704] netlink_unicast+0x449/0x710 [ 6126.961009][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6126.961009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6126.961009][ T7704] ___sys_sendmsg+0xee/0x170 [ 6126.961009][ T7704] __sys_sendmsg+0xcd/0x170 [ 6126.961009][ T7704] do_syscall_64+0xc6/0x1e0 [ 6126.961009][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6126.961009][ T7704] [ 6126.964537][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6126.964537][ T7704] netdev_get_by_index+0x5e/0x80 [ 6126.964537][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6126.964537][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6126.964537][ T7704] ip6_route_add+0x1c/0x140 [ 6126.964537][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6126.964537][ T7704] addrconf_add_dev+0xe2/0x170 [ 6126.964537][ T7704] inet6_addr_add+0x12f/0xa40 [ 6126.964537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6126.964537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6126.964537][ T7704] netlink_rcv_skb+0x130/0x360 [ 6126.964537][ T7704] netlink_unicast+0x449/0x710 [ 6126.964537][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6126.964537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6126.964537][ T7704] ___sys_sendmsg+0xee/0x170 [ 6126.964537][ T7704] __sys_sendmsg+0xcd/0x170 [ 6126.964537][ T7704] do_syscall_64+0xc6/0x1e0 [ 6126.964537][ T7704] [ 6126.967943][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6126.967943][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6126.967943][ T7704] ipv6_find_idev+0x102/0x170 [ 6126.967943][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6126.967943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6126.967943][ T7704] netlink_rcv_skb+0x130/0x360 [ 6126.967943][ T7704] netlink_unicast+0x449/0x710 [ 6126.967943][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6126.967943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6126.967943][ T7704] ___sys_sendmsg+0xee/0x170 [ 6126.967943][ T7704] __sys_sendmsg+0xcd/0x170 [ 6126.967943][ T7704] do_syscall_64+0xc6/0x1e0 [ 6126.967943][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6126.967943][ T7704] [ 6126.970598][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6126.970598][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6126.970598][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6126.970598][ T7704] ipv6_find_idev+0x102/0x170 [ 6126.970598][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6126.970598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6126.970598][ T7704] netlink_rcv_skb+0x130/0x360 [ 6126.970598][ T7704] netlink_unicast+0x449/0x710 [ 6126.970598][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6126.970598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6126.970598][ T7704] ___sys_sendmsg+0xee/0x170 [ 6126.970598][ T7704] __sys_sendmsg+0xcd/0x170 [ 6126.970598][ T7704] do_syscall_64+0xc6/0x1e0 [ 6126.970598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6126.970598][ T7704] [ 6137.212811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6137.213317][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6137.213317][ T7704] netdev_get_by_index+0x5e/0x80 [ 6137.213317][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6137.213317][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6137.213317][ T7704] ip6_route_add+0x1c/0x140 [ 6137.213317][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6137.213317][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6137.213317][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6137.213317][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6137.213317][ T7704] netlink_rcv_skb+0x130/0x360 [ 6137.213317][ T7704] netlink_unicast+0x449/0x710 [ 6137.213317][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6137.213317][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6137.213317][ T7704] ___sys_sendmsg+0xee/0x170 [ 6137.213317][ T7704] __sys_sendmsg+0xcd/0x170 [ 6137.213317][ T7704] do_syscall_64+0xc6/0x1e0 [ 6137.213317][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6137.213317][ T7704] [ 6137.215545][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6137.215545][ T7704] netdev_get_by_index+0x5e/0x80 [ 6137.215545][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6137.215545][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6137.215545][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6137.215545][ T7704] ipv6_add_addr+0x411/0x2000 [ 6137.215545][ T7704] inet6_addr_add+0x30e/0xa40 [ 6137.215545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6137.215545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6137.215545][ T7704] netlink_rcv_skb+0x130/0x360 [ 6137.215545][ T7704] netlink_unicast+0x449/0x710 [ 6137.215545][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6137.215545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6137.215545][ T7704] ___sys_sendmsg+0xee/0x170 [ 6137.215545][ T7704] __sys_sendmsg+0xcd/0x170 [ 6137.215545][ T7704] do_syscall_64+0xc6/0x1e0 [ 6137.215545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6137.215545][ T7704] [ 6137.217802][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6137.217802][ T7704] netdev_get_by_index+0x5e/0x80 [ 6137.217802][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6137.217802][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6137.217802][ T7704] ip6_route_add+0x1c/0x140 [ 6137.217802][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6137.217802][ T7704] addrconf_add_dev+0xe2/0x170 [ 6137.217802][ T7704] inet6_addr_add+0x12f/0xa40 [ 6137.217802][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6137.217802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6137.217802][ T7704] netlink_rcv_skb+0x130/0x360 [ 6137.217802][ T7704] netlink_unicast+0x449/0x710 [ 6137.217802][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6137.217802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6137.217802][ T7704] ___sys_sendmsg+0xee/0x170 [ 6137.217802][ T7704] __sys_sendmsg+0xcd/0x170 [ 6137.217802][ T7704] do_syscall_64+0xc6/0x1e0 [ 6137.217802][ T7704] [ 6137.219992][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6137.219992][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6137.219992][ T7704] ipv6_find_idev+0x102/0x170 [ 6137.219992][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6137.219992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6137.219992][ T7704] netlink_rcv_skb+0x130/0x360 [ 6137.219992][ T7704] netlink_unicast+0x449/0x710 [ 6137.219992][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6137.219992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6137.219992][ T7704] ___sys_sendmsg+0xee/0x170 [ 6137.219992][ T7704] __sys_sendmsg+0xcd/0x170 [ 6137.219992][ T7704] do_syscall_64+0xc6/0x1e0 [ 6137.219992][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6137.219992][ T7704] [ 6137.221711][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6137.221711][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6137.221711][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6137.221711][ T7704] ipv6_find_idev+0x102/0x170 [ 6137.221711][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6137.221711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6137.221711][ T7704] netlink_rcv_skb+0x130/0x360 [ 6137.221711][ T7704] netlink_unicast+0x449/0x710 [ 6137.221711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6137.221711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6137.221711][ T7704] ___sys_sendmsg+0xee/0x170 [ 6137.221711][ T7704] __sys_sendmsg+0xcd/0x170 [ 6137.221711][ T7704] do_syscall_64+0xc6/0x1e0 [ 6137.221711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6137.221711][ T7704] [ 6147.460813][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6147.461287][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6147.461287][ T7704] netdev_get_by_index+0x5e/0x80 [ 6147.461287][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6147.461287][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6147.461287][ T7704] ip6_route_add+0x1c/0x140 [ 6147.461287][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6147.461287][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6147.461287][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6147.461287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6147.461287][ T7704] netlink_rcv_skb+0x130/0x360 [ 6147.461287][ T7704] netlink_unicast+0x449/0x710 [ 6147.461287][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6147.461287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6147.461287][ T7704] ___sys_sendmsg+0xee/0x170 [ 6147.461287][ T7704] __sys_sendmsg+0xcd/0x170 [ 6147.461287][ T7704] do_syscall_64+0xc6/0x1e0 [ 6147.461287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6147.461287][ T7704] [ 6147.463545][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6147.463545][ T7704] netdev_get_by_index+0x5e/0x80 [ 6147.463545][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6147.463545][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6147.463545][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6147.463545][ T7704] ipv6_add_addr+0x411/0x2000 [ 6147.463545][ T7704] inet6_addr_add+0x30e/0xa40 [ 6147.463545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6147.463545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6147.463545][ T7704] netlink_rcv_skb+0x130/0x360 [ 6147.463545][ T7704] netlink_unicast+0x449/0x710 [ 6147.463545][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6147.463545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6147.463545][ T7704] ___sys_sendmsg+0xee/0x170 [ 6147.463545][ T7704] __sys_sendmsg+0xcd/0x170 [ 6147.463545][ T7704] do_syscall_64+0xc6/0x1e0 [ 6147.463545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6147.463545][ T7704] [ 6147.465758][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6147.465758][ T7704] netdev_get_by_index+0x5e/0x80 [ 6147.465758][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6147.465758][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6147.465758][ T7704] ip6_route_add+0x1c/0x140 [ 6147.465758][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6147.465758][ T7704] addrconf_add_dev+0xe2/0x170 [ 6147.465758][ T7704] inet6_addr_add+0x12f/0xa40 [ 6147.465758][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6147.465758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6147.465758][ T7704] netlink_rcv_skb+0x130/0x360 [ 6147.465758][ T7704] netlink_unicast+0x449/0x710 [ 6147.465758][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6147.465758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6147.465758][ T7704] ___sys_sendmsg+0xee/0x170 [ 6147.465758][ T7704] __sys_sendmsg+0xcd/0x170 [ 6147.465758][ T7704] do_syscall_64+0xc6/0x1e0 [ 6147.465758][ T7704] [ 6147.467947][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6147.467947][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6147.467947][ T7704] ipv6_find_idev+0x102/0x170 [ 6147.467947][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6147.467947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6147.467947][ T7704] netlink_rcv_skb+0x130/0x360 [ 6147.467947][ T7704] netlink_unicast+0x449/0x710 [ 6147.467947][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6147.467947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6147.467947][ T7704] ___sys_sendmsg+0xee/0x170 [ 6147.467947][ T7704] __sys_sendmsg+0xcd/0x170 [ 6147.467947][ T7704] do_syscall_64+0xc6/0x1e0 [ 6147.467947][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6147.467947][ T7704] [ 6147.470173][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6147.470173][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6147.470173][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6147.470173][ T7704] ipv6_find_idev+0x102/0x170 [ 6147.470173][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6147.470173][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6147.470173][ T7704] netlink_rcv_skb+0x130/0x360 [ 6147.470173][ T7704] netlink_unicast+0x449/0x710 [ 6147.470173][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6147.470173][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6147.470173][ T7704] ___sys_sendmsg+0xee/0x170 [ 6147.470173][ T7704] __sys_sendmsg+0xcd/0x170 [ 6147.470173][ T7704] do_syscall_64+0xc6/0x1e0 [ 6147.470173][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6147.470173][ T7704] [ 6157.708762][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6157.709256][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6157.709256][ T7704] netdev_get_by_index+0x5e/0x80 [ 6157.709256][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6157.709256][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6157.709256][ T7704] ip6_route_add+0x1c/0x140 [ 6157.709256][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6157.709256][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6157.709256][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6157.709256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6157.709256][ T7704] netlink_rcv_skb+0x130/0x360 [ 6157.709256][ T7704] netlink_unicast+0x449/0x710 [ 6157.709256][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6157.709256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6157.709256][ T7704] ___sys_sendmsg+0xee/0x170 [ 6157.709256][ T7704] __sys_sendmsg+0xcd/0x170 [ 6157.709256][ T7704] do_syscall_64+0xc6/0x1e0 [ 6157.709256][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6157.709256][ T7704] [ 6157.711472][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6157.711472][ T7704] netdev_get_by_index+0x5e/0x80 [ 6157.711472][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6157.711472][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6157.711472][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6157.711472][ T7704] ipv6_add_addr+0x411/0x2000 [ 6157.711472][ T7704] inet6_addr_add+0x30e/0xa40 [ 6157.711472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6157.711472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6157.711472][ T7704] netlink_rcv_skb+0x130/0x360 [ 6157.711472][ T7704] netlink_unicast+0x449/0x710 [ 6157.711472][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6157.711472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6157.711472][ T7704] ___sys_sendmsg+0xee/0x170 [ 6157.711472][ T7704] __sys_sendmsg+0xcd/0x170 [ 6157.711472][ T7704] do_syscall_64+0xc6/0x1e0 [ 6157.711472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6157.711472][ T7704] [ 6157.714087][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6157.714087][ T7704] netdev_get_by_index+0x5e/0x80 [ 6157.714087][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6157.714087][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6157.714087][ T7704] ip6_route_add+0x1c/0x140 [ 6157.714087][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6157.714087][ T7704] addrconf_add_dev+0xe2/0x170 [ 6157.714087][ T7704] inet6_addr_add+0x12f/0xa40 [ 6157.714087][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6157.714087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6157.714087][ T7704] netlink_rcv_skb+0x130/0x360 [ 6157.714087][ T7704] netlink_unicast+0x449/0x710 [ 6157.714087][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6157.714087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6157.714087][ T7704] ___sys_sendmsg+0xee/0x170 [ 6157.714087][ T7704] __sys_sendmsg+0xcd/0x170 [ 6157.714087][ T7704] do_syscall_64+0xc6/0x1e0 [ 6157.714087][ T7704] [ 6157.716249][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6157.716249][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6157.716249][ T7704] ipv6_find_idev+0x102/0x170 [ 6157.716249][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6157.716249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6157.716249][ T7704] netlink_rcv_skb+0x130/0x360 [ 6157.716249][ T7704] netlink_unicast+0x449/0x710 [ 6157.716249][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6157.716249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6157.716249][ T7704] ___sys_sendmsg+0xee/0x170 [ 6157.716249][ T7704] __sys_sendmsg+0xcd/0x170 [ 6157.716249][ T7704] do_syscall_64+0xc6/0x1e0 [ 6157.716249][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6157.716249][ T7704] [ 6157.717950][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6157.717950][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6157.717950][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6157.717950][ T7704] ipv6_find_idev+0x102/0x170 [ 6157.717950][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6157.717950][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6157.717950][ T7704] netlink_rcv_skb+0x130/0x360 [ 6157.717950][ T7704] netlink_unicast+0x449/0x710 [ 6157.717950][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6157.717950][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6157.717950][ T7704] ___sys_sendmsg+0xee/0x170 [ 6157.717950][ T7704] __sys_sendmsg+0xcd/0x170 [ 6157.717950][ T7704] do_syscall_64+0xc6/0x1e0 [ 6157.717950][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6157.717950][ T7704] [ 6167.772760][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6167.773250][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6167.773250][ T7704] netdev_get_by_index+0x5e/0x80 [ 6167.773250][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6167.773250][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6167.773250][ T7704] ip6_route_add+0x1c/0x140 [ 6167.773250][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6167.773250][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6167.773250][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6167.773250][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6167.773250][ T7704] netlink_rcv_skb+0x130/0x360 [ 6167.773250][ T7704] netlink_unicast+0x449/0x710 [ 6167.773250][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6167.773250][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6167.773250][ T7704] ___sys_sendmsg+0xee/0x170 [ 6167.773250][ T7704] __sys_sendmsg+0xcd/0x170 [ 6167.773250][ T7704] do_syscall_64+0xc6/0x1e0 [ 6167.773250][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6167.773250][ T7704] [ 6167.775480][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6167.775480][ T7704] netdev_get_by_index+0x5e/0x80 [ 6167.775480][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6167.775480][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6167.775480][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6167.775480][ T7704] ipv6_add_addr+0x411/0x2000 [ 6167.775480][ T7704] inet6_addr_add+0x30e/0xa40 [ 6167.775480][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6167.775480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6167.775480][ T7704] netlink_rcv_skb+0x130/0x360 [ 6167.775480][ T7704] netlink_unicast+0x449/0x710 [ 6167.775480][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6167.775480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6167.775480][ T7704] ___sys_sendmsg+0xee/0x170 [ 6167.775480][ T7704] __sys_sendmsg+0xcd/0x170 [ 6167.775480][ T7704] do_syscall_64+0xc6/0x1e0 [ 6167.775480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6167.775480][ T7704] [ 6167.777686][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6167.777686][ T7704] netdev_get_by_index+0x5e/0x80 [ 6167.777686][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6167.777686][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6167.777686][ T7704] ip6_route_add+0x1c/0x140 [ 6167.777686][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6167.777686][ T7704] addrconf_add_dev+0xe2/0x170 [ 6167.777686][ T7704] inet6_addr_add+0x12f/0xa40 [ 6167.777686][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6167.777686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6167.777686][ T7704] netlink_rcv_skb+0x130/0x360 [ 6167.777686][ T7704] netlink_unicast+0x449/0x710 [ 6167.777686][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6167.777686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6167.777686][ T7704] ___sys_sendmsg+0xee/0x170 [ 6167.777686][ T7704] __sys_sendmsg+0xcd/0x170 [ 6167.777686][ T7704] do_syscall_64+0xc6/0x1e0 [ 6167.777686][ T7704] [ 6167.779858][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6167.779858][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6167.779858][ T7704] ipv6_find_idev+0x102/0x170 [ 6167.779858][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6167.779858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6167.779858][ T7704] netlink_rcv_skb+0x130/0x360 [ 6167.779858][ T7704] netlink_unicast+0x449/0x710 [ 6167.779858][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6167.779858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6167.779858][ T7704] ___sys_sendmsg+0xee/0x170 [ 6167.779858][ T7704] __sys_sendmsg+0xcd/0x170 [ 6167.779858][ T7704] do_syscall_64+0xc6/0x1e0 [ 6167.779858][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6167.779858][ T7704] [ 6167.781552][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6167.781552][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6167.781552][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6167.781552][ T7704] ipv6_find_idev+0x102/0x170 [ 6167.781552][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6167.781552][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6167.781552][ T7704] netlink_rcv_skb+0x130/0x360 [ 6167.781552][ T7704] netlink_unicast+0x449/0x710 [ 6167.781552][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6167.781552][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6167.781552][ T7704] ___sys_sendmsg+0xee/0x170 [ 6167.781552][ T7704] __sys_sendmsg+0xcd/0x170 [ 6167.781552][ T7704] do_syscall_64+0xc6/0x1e0 [ 6167.781552][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6167.781552][ T7704] [ 6178.020823][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6178.021300][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6178.021300][ T7704] netdev_get_by_index+0x5e/0x80 [ 6178.021300][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6178.021300][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6178.021300][ T7704] ip6_route_add+0x1c/0x140 [ 6178.021300][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6178.021300][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6178.021300][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6178.021300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6178.021300][ T7704] netlink_rcv_skb+0x130/0x360 [ 6178.021300][ T7704] netlink_unicast+0x449/0x710 [ 6178.021300][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6178.021300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6178.021300][ T7704] ___sys_sendmsg+0xee/0x170 [ 6178.021300][ T7704] __sys_sendmsg+0xcd/0x170 [ 6178.021300][ T7704] do_syscall_64+0xc6/0x1e0 [ 6178.021300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6178.021300][ T7704] [ 6178.023548][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6178.023548][ T7704] netdev_get_by_index+0x5e/0x80 [ 6178.023548][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6178.023548][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6178.023548][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6178.023548][ T7704] ipv6_add_addr+0x411/0x2000 [ 6178.023548][ T7704] inet6_addr_add+0x30e/0xa40 [ 6178.023548][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6178.023548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6178.023548][ T7704] netlink_rcv_skb+0x130/0x360 [ 6178.023548][ T7704] netlink_unicast+0x449/0x710 [ 6178.023548][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6178.023548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6178.023548][ T7704] ___sys_sendmsg+0xee/0x170 [ 6178.023548][ T7704] __sys_sendmsg+0xcd/0x170 [ 6178.023548][ T7704] do_syscall_64+0xc6/0x1e0 [ 6178.023548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6178.023548][ T7704] [ 6178.025757][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6178.025757][ T7704] netdev_get_by_index+0x5e/0x80 [ 6178.025757][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6178.025757][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6178.025757][ T7704] ip6_route_add+0x1c/0x140 [ 6178.025757][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6178.025757][ T7704] addrconf_add_dev+0xe2/0x170 [ 6178.025757][ T7704] inet6_addr_add+0x12f/0xa40 [ 6178.025757][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6178.025757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6178.025757][ T7704] netlink_rcv_skb+0x130/0x360 [ 6178.025757][ T7704] netlink_unicast+0x449/0x710 [ 6178.025757][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6178.025757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6178.025757][ T7704] ___sys_sendmsg+0xee/0x170 [ 6178.025757][ T7704] __sys_sendmsg+0xcd/0x170 [ 6178.025757][ T7704] do_syscall_64+0xc6/0x1e0 [ 6178.025757][ T7704] [ 6178.027929][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6178.027929][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6178.027929][ T7704] ipv6_find_idev+0x102/0x170 [ 6178.027929][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6178.027929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6178.027929][ T7704] netlink_rcv_skb+0x130/0x360 [ 6178.027929][ T7704] netlink_unicast+0x449/0x710 [ 6178.027929][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6178.027929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6178.027929][ T7704] ___sys_sendmsg+0xee/0x170 [ 6178.027929][ T7704] __sys_sendmsg+0xcd/0x170 [ 6178.027929][ T7704] do_syscall_64+0xc6/0x1e0 [ 6178.027929][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6178.027929][ T7704] [ 6178.029638][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6178.029638][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6178.029638][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6178.029638][ T7704] ipv6_find_idev+0x102/0x170 [ 6178.029638][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6178.029638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6178.029638][ T7704] netlink_rcv_skb+0x130/0x360 [ 6178.029638][ T7704] netlink_unicast+0x449/0x710 [ 6178.029638][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6178.029638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6178.029638][ T7704] ___sys_sendmsg+0xee/0x170 [ 6178.029638][ T7704] __sys_sendmsg+0xcd/0x170 [ 6178.029638][ T7704] do_syscall_64+0xc6/0x1e0 [ 6178.029638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6178.029638][ T7704] [ 6188.052749][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6188.053236][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6188.053236][ T7704] netdev_get_by_index+0x5e/0x80 [ 6188.053236][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6188.053236][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6188.053236][ T7704] ip6_route_add+0x1c/0x140 [ 6188.053236][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6188.053236][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6188.053236][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6188.053236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6188.053236][ T7704] netlink_rcv_skb+0x130/0x360 [ 6188.053236][ T7704] netlink_unicast+0x449/0x710 [ 6188.053236][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6188.053236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6188.053236][ T7704] ___sys_sendmsg+0xee/0x170 [ 6188.053236][ T7704] __sys_sendmsg+0xcd/0x170 [ 6188.053236][ T7704] do_syscall_64+0xc6/0x1e0 [ 6188.053236][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6188.053236][ T7704] [ 6188.055472][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6188.055472][ T7704] netdev_get_by_index+0x5e/0x80 [ 6188.055472][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6188.055472][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6188.055472][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6188.055472][ T7704] ipv6_add_addr+0x411/0x2000 [ 6188.055472][ T7704] inet6_addr_add+0x30e/0xa40 [ 6188.055472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6188.055472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6188.055472][ T7704] netlink_rcv_skb+0x130/0x360 [ 6188.055472][ T7704] netlink_unicast+0x449/0x710 [ 6188.055472][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6188.055472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6188.055472][ T7704] ___sys_sendmsg+0xee/0x170 [ 6188.055472][ T7704] __sys_sendmsg+0xcd/0x170 [ 6188.055472][ T7704] do_syscall_64+0xc6/0x1e0 [ 6188.055472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6188.055472][ T7704] [ 6188.057682][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6188.057682][ T7704] netdev_get_by_index+0x5e/0x80 [ 6188.057682][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6188.057682][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6188.057682][ T7704] ip6_route_add+0x1c/0x140 [ 6188.057682][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6188.057682][ T7704] addrconf_add_dev+0xe2/0x170 [ 6188.057682][ T7704] inet6_addr_add+0x12f/0xa40 [ 6188.057682][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6188.057682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6188.057682][ T7704] netlink_rcv_skb+0x130/0x360 [ 6188.057682][ T7704] netlink_unicast+0x449/0x710 [ 6188.057682][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6188.057682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6188.057682][ T7704] ___sys_sendmsg+0xee/0x170 [ 6188.057682][ T7704] __sys_sendmsg+0xcd/0x170 [ 6188.057682][ T7704] do_syscall_64+0xc6/0x1e0 [ 6188.057682][ T7704] [ 6188.059845][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6188.059845][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6188.059845][ T7704] ipv6_find_idev+0x102/0x170 [ 6188.059845][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6188.059845][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6188.059845][ T7704] netlink_rcv_skb+0x130/0x360 [ 6188.059845][ T7704] netlink_unicast+0x449/0x710 [ 6188.059845][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6188.059845][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6188.059845][ T7704] ___sys_sendmsg+0xee/0x170 [ 6188.059845][ T7704] __sys_sendmsg+0xcd/0x170 [ 6188.059845][ T7704] do_syscall_64+0xc6/0x1e0 [ 6188.059845][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6188.059845][ T7704] [ 6188.061540][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6188.061540][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6188.061540][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6188.061540][ T7704] ipv6_find_idev+0x102/0x170 [ 6188.061540][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6188.061540][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6188.061540][ T7704] netlink_rcv_skb+0x130/0x360 [ 6188.061540][ T7704] netlink_unicast+0x449/0x710 [ 6188.061540][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6188.061540][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6188.061540][ T7704] ___sys_sendmsg+0xee/0x170 [ 6188.061540][ T7704] __sys_sendmsg+0xcd/0x170 [ 6188.061540][ T7704] do_syscall_64+0xc6/0x1e0 [ 6188.061540][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6188.061540][ T7704] [ 6198.172830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6198.173326][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6198.173326][ T7704] netdev_get_by_index+0x5e/0x80 [ 6198.173326][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6198.173326][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6198.173326][ T7704] ip6_route_add+0x1c/0x140 [ 6198.173326][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6198.173326][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6198.173326][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6198.173326][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6198.173326][ T7704] netlink_rcv_skb+0x130/0x360 [ 6198.173326][ T7704] netlink_unicast+0x449/0x710 [ 6198.173326][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6198.173326][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6198.173326][ T7704] ___sys_sendmsg+0xee/0x170 [ 6198.173326][ T7704] __sys_sendmsg+0xcd/0x170 [ 6198.173326][ T7704] do_syscall_64+0xc6/0x1e0 [ 6198.173326][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6198.173326][ T7704] [ 6198.175578][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6198.175578][ T7704] netdev_get_by_index+0x5e/0x80 [ 6198.175578][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6198.175578][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6198.175578][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6198.175578][ T7704] ipv6_add_addr+0x411/0x2000 [ 6198.175578][ T7704] inet6_addr_add+0x30e/0xa40 [ 6198.175578][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6198.175578][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6198.175578][ T7704] netlink_rcv_skb+0x130/0x360 [ 6198.175578][ T7704] netlink_unicast+0x449/0x710 [ 6198.175578][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6198.175578][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6198.175578][ T7704] ___sys_sendmsg+0xee/0x170 [ 6198.175578][ T7704] __sys_sendmsg+0xcd/0x170 [ 6198.175578][ T7704] do_syscall_64+0xc6/0x1e0 [ 6198.175578][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6198.175578][ T7704] [ 6198.177800][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6198.177800][ T7704] netdev_get_by_index+0x5e/0x80 [ 6198.177800][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6198.177800][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6198.177800][ T7704] ip6_route_add+0x1c/0x140 [ 6198.177800][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6198.177800][ T7704] addrconf_add_dev+0xe2/0x170 [ 6198.177800][ T7704] inet6_addr_add+0x12f/0xa40 [ 6198.177800][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6198.177800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6198.177800][ T7704] netlink_rcv_skb+0x130/0x360 [ 6198.177800][ T7704] netlink_unicast+0x449/0x710 [ 6198.177800][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6198.177800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6198.177800][ T7704] ___sys_sendmsg+0xee/0x170 [ 6198.177800][ T7704] __sys_sendmsg+0xcd/0x170 [ 6198.177800][ T7704] do_syscall_64+0xc6/0x1e0 [ 6198.177800][ T7704] [ 6198.179964][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6198.179964][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6198.179964][ T7704] ipv6_find_idev+0x102/0x170 [ 6198.179964][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6198.179964][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6198.179964][ T7704] netlink_rcv_skb+0x130/0x360 [ 6198.179964][ T7704] netlink_unicast+0x449/0x710 [ 6198.179964][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6198.179964][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6198.179964][ T7704] ___sys_sendmsg+0xee/0x170 [ 6198.179964][ T7704] __sys_sendmsg+0xcd/0x170 [ 6198.179964][ T7704] do_syscall_64+0xc6/0x1e0 [ 6198.179964][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6198.179964][ T7704] [ 6198.181685][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6198.181685][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6198.181685][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6198.181685][ T7704] ipv6_find_idev+0x102/0x170 [ 6198.181685][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6198.181685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6198.181685][ T7704] netlink_rcv_skb+0x130/0x360 [ 6198.181685][ T7704] netlink_unicast+0x449/0x710 [ 6198.181685][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6198.181685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6198.181685][ T7704] ___sys_sendmsg+0xee/0x170 [ 6198.181685][ T7704] __sys_sendmsg+0xcd/0x170 [ 6198.181685][ T7704] do_syscall_64+0xc6/0x1e0 [ 6198.181685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6198.181685][ T7704] [ 6208.420799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6208.421289][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6208.421289][ T7704] netdev_get_by_index+0x5e/0x80 [ 6208.421289][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6208.421289][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6208.421289][ T7704] ip6_route_add+0x1c/0x140 [ 6208.421289][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6208.421289][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6208.421289][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6208.421289][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6208.421289][ T7704] netlink_rcv_skb+0x130/0x360 [ 6208.421289][ T7704] netlink_unicast+0x449/0x710 [ 6208.421289][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6208.421289][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6208.421289][ T7704] ___sys_sendmsg+0xee/0x170 [ 6208.421289][ T7704] __sys_sendmsg+0xcd/0x170 [ 6208.421289][ T7704] do_syscall_64+0xc6/0x1e0 [ 6208.421289][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6208.421289][ T7704] [ 6208.423549][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6208.423549][ T7704] netdev_get_by_index+0x5e/0x80 [ 6208.423549][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6208.423549][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6208.423549][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6208.423549][ T7704] ipv6_add_addr+0x411/0x2000 [ 6208.423549][ T7704] inet6_addr_add+0x30e/0xa40 [ 6208.423549][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6208.423549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6208.423549][ T7704] netlink_rcv_skb+0x130/0x360 [ 6208.423549][ T7704] netlink_unicast+0x449/0x710 [ 6208.423549][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6208.423549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6208.423549][ T7704] ___sys_sendmsg+0xee/0x170 [ 6208.423549][ T7704] __sys_sendmsg+0xcd/0x170 [ 6208.423549][ T7704] do_syscall_64+0xc6/0x1e0 [ 6208.423549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6208.423549][ T7704] [ 6208.425788][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6208.425788][ T7704] netdev_get_by_index+0x5e/0x80 [ 6208.425788][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6208.425788][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6208.425788][ T7704] ip6_route_add+0x1c/0x140 [ 6208.425788][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6208.425788][ T7704] addrconf_add_dev+0xe2/0x170 [ 6208.425788][ T7704] inet6_addr_add+0x12f/0xa40 [ 6208.425788][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6208.425788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6208.425788][ T7704] netlink_rcv_skb+0x130/0x360 [ 6208.425788][ T7704] netlink_unicast+0x449/0x710 [ 6208.425788][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6208.425788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6208.425788][ T7704] ___sys_sendmsg+0xee/0x170 [ 6208.425788][ T7704] __sys_sendmsg+0xcd/0x170 [ 6208.425788][ T7704] do_syscall_64+0xc6/0x1e0 [ 6208.425788][ T7704] [ 6208.427946][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6208.427946][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6208.427946][ T7704] ipv6_find_idev+0x102/0x170 [ 6208.427946][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6208.427946][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6208.427946][ T7704] netlink_rcv_skb+0x130/0x360 [ 6208.427946][ T7704] netlink_unicast+0x449/0x710 [ 6208.427946][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6208.427946][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6208.427946][ T7704] ___sys_sendmsg+0xee/0x170 [ 6208.427946][ T7704] __sys_sendmsg+0xcd/0x170 [ 6208.427946][ T7704] do_syscall_64+0xc6/0x1e0 [ 6208.427946][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6208.427946][ T7704] [ 6208.429682][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6208.429682][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6208.429682][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6208.429682][ T7704] ipv6_find_idev+0x102/0x170 [ 6208.429682][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6208.429682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6208.429682][ T7704] netlink_rcv_skb+0x130/0x360 [ 6208.429682][ T7704] netlink_unicast+0x449/0x710 [ 6208.429682][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6208.429682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6208.429682][ T7704] ___sys_sendmsg+0xee/0x170 [ 6208.429682][ T7704] __sys_sendmsg+0xcd/0x170 [ 6208.429682][ T7704] do_syscall_64+0xc6/0x1e0 [ 6208.429682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6208.429682][ T7704] [ 6218.668830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6218.669307][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6218.669307][ T7704] netdev_get_by_index+0x5e/0x80 [ 6218.669307][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6218.669307][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6218.669307][ T7704] ip6_route_add+0x1c/0x140 [ 6218.669307][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6218.669307][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6218.669307][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6218.669307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6218.669307][ T7704] netlink_rcv_skb+0x130/0x360 [ 6218.669307][ T7704] netlink_unicast+0x449/0x710 [ 6218.669307][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6218.669307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6218.669307][ T7704] ___sys_sendmsg+0xee/0x170 [ 6218.669307][ T7704] __sys_sendmsg+0xcd/0x170 [ 6218.669307][ T7704] do_syscall_64+0xc6/0x1e0 [ 6218.669307][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6218.669307][ T7704] [ 6218.671560][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6218.671560][ T7704] netdev_get_by_index+0x5e/0x80 [ 6218.671560][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6218.671560][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6218.671560][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6218.671560][ T7704] ipv6_add_addr+0x411/0x2000 [ 6218.671560][ T7704] inet6_addr_add+0x30e/0xa40 [ 6218.671560][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6218.671560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6218.671560][ T7704] netlink_rcv_skb+0x130/0x360 [ 6218.671560][ T7704] netlink_unicast+0x449/0x710 [ 6218.671560][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6218.671560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6218.671560][ T7704] ___sys_sendmsg+0xee/0x170 [ 6218.671560][ T7704] __sys_sendmsg+0xcd/0x170 [ 6218.671560][ T7704] do_syscall_64+0xc6/0x1e0 [ 6218.671560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6218.671560][ T7704] [ 6218.673775][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6218.673775][ T7704] netdev_get_by_index+0x5e/0x80 [ 6218.673775][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6218.673775][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6218.673775][ T7704] ip6_route_add+0x1c/0x140 [ 6218.673775][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6218.673775][ T7704] addrconf_add_dev+0xe2/0x170 [ 6218.673775][ T7704] inet6_addr_add+0x12f/0xa40 [ 6218.673775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6218.673775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6218.673775][ T7704] netlink_rcv_skb+0x130/0x360 [ 6218.673775][ T7704] netlink_unicast+0x449/0x710 [ 6218.673775][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6218.673775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6218.673775][ T7704] ___sys_sendmsg+0xee/0x170 [ 6218.673775][ T7704] __sys_sendmsg+0xcd/0x170 [ 6218.673775][ T7704] do_syscall_64+0xc6/0x1e0 [ 6218.673775][ T7704] [ 6218.677084][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6218.677084][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6218.677084][ T7704] ipv6_find_idev+0x102/0x170 [ 6218.677084][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6218.677084][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6218.677084][ T7704] netlink_rcv_skb+0x130/0x360 [ 6218.677084][ T7704] netlink_unicast+0x449/0x710 [ 6218.677084][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6218.677084][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6218.677084][ T7704] ___sys_sendmsg+0xee/0x170 [ 6218.677084][ T7704] __sys_sendmsg+0xcd/0x170 [ 6218.677084][ T7704] do_syscall_64+0xc6/0x1e0 [ 6218.677084][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6218.677084][ T7704] [ 6218.679723][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6218.679723][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6218.679723][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6218.679723][ T7704] ipv6_find_idev+0x102/0x170 [ 6218.679723][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6218.679723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6218.679723][ T7704] netlink_rcv_skb+0x130/0x360 [ 6218.679723][ T7704] netlink_unicast+0x449/0x710 [ 6218.679723][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6218.679723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6218.679723][ T7704] ___sys_sendmsg+0xee/0x170 [ 6218.679723][ T7704] __sys_sendmsg+0xcd/0x170 [ 6218.679723][ T7704] do_syscall_64+0xc6/0x1e0 [ 6218.679723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6218.679723][ T7704] [ 6228.924847][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6228.925277][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6228.925277][ T7704] netdev_get_by_index+0x5e/0x80 [ 6228.925277][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6228.925277][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6228.925277][ T7704] ip6_route_add+0x1c/0x140 [ 6228.925277][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6228.925277][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6228.925277][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6228.925277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6228.925277][ T7704] netlink_rcv_skb+0x130/0x360 [ 6228.925277][ T7704] netlink_unicast+0x449/0x710 [ 6228.925277][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6228.925277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6228.925277][ T7704] ___sys_sendmsg+0xee/0x170 [ 6228.925277][ T7704] __sys_sendmsg+0xcd/0x170 [ 6228.925277][ T7704] do_syscall_64+0xc6/0x1e0 [ 6228.925277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6228.925277][ T7704] [ 6228.927558][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6228.927558][ T7704] netdev_get_by_index+0x5e/0x80 [ 6228.927558][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6228.927558][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6228.927558][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6228.927558][ T7704] ipv6_add_addr+0x411/0x2000 [ 6228.927558][ T7704] inet6_addr_add+0x30e/0xa40 [ 6228.927558][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6228.927558][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6228.927558][ T7704] netlink_rcv_skb+0x130/0x360 [ 6228.927558][ T7704] netlink_unicast+0x449/0x710 [ 6228.927558][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6228.927558][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6228.927558][ T7704] ___sys_sendmsg+0xee/0x170 [ 6228.927558][ T7704] __sys_sendmsg+0xcd/0x170 [ 6228.927558][ T7704] do_syscall_64+0xc6/0x1e0 [ 6228.927558][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6228.927558][ T7704] [ 6228.930256][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6228.930256][ T7704] netdev_get_by_index+0x5e/0x80 [ 6228.930256][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6228.930256][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6228.930256][ T7704] ip6_route_add+0x1c/0x140 [ 6228.930256][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6228.930256][ T7704] addrconf_add_dev+0xe2/0x170 [ 6228.930256][ T7704] inet6_addr_add+0x12f/0xa40 [ 6228.930256][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6228.930256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6228.930256][ T7704] netlink_rcv_skb+0x130/0x360 [ 6228.930256][ T7704] netlink_unicast+0x449/0x710 [ 6228.930256][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6228.930256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6228.930256][ T7704] ___sys_sendmsg+0xee/0x170 [ 6228.930256][ T7704] __sys_sendmsg+0xcd/0x170 [ 6228.930256][ T7704] do_syscall_64+0xc6/0x1e0 [ 6228.930256][ T7704] [ 6228.932436][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6228.932436][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6228.932436][ T7704] ipv6_find_idev+0x102/0x170 [ 6228.932436][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6228.932436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6228.932436][ T7704] netlink_rcv_skb+0x130/0x360 [ 6228.932436][ T7704] netlink_unicast+0x449/0x710 [ 6228.932436][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6228.932436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6228.932436][ T7704] ___sys_sendmsg+0xee/0x170 [ 6228.932436][ T7704] __sys_sendmsg+0xcd/0x170 [ 6228.932436][ T7704] do_syscall_64+0xc6/0x1e0 [ 6228.932436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6228.932436][ T7704] [ 6228.934541][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6228.934541][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6228.934541][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6228.934541][ T7704] ipv6_find_idev+0x102/0x170 [ 6228.934541][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6228.934541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6228.934541][ T7704] netlink_rcv_skb+0x130/0x360 [ 6228.934541][ T7704] netlink_unicast+0x449/0x710 [ 6228.934541][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6228.934541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6228.934541][ T7704] ___sys_sendmsg+0xee/0x170 [ 6228.934541][ T7704] __sys_sendmsg+0xcd/0x170 [ 6228.934541][ T7704] do_syscall_64+0xc6/0x1e0 [ 6228.934541][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6228.934541][ T7704] [ 6239.172845][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6239.173337][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6239.173337][ T7704] netdev_get_by_index+0x5e/0x80 [ 6239.173337][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6239.173337][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6239.173337][ T7704] ip6_route_add+0x1c/0x140 [ 6239.173337][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6239.173337][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6239.173337][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6239.173337][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6239.173337][ T7704] netlink_rcv_skb+0x130/0x360 [ 6239.173337][ T7704] netlink_unicast+0x449/0x710 [ 6239.173337][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6239.173337][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6239.173337][ T7704] ___sys_sendmsg+0xee/0x170 [ 6239.173337][ T7704] __sys_sendmsg+0xcd/0x170 [ 6239.173337][ T7704] do_syscall_64+0xc6/0x1e0 [ 6239.173337][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6239.173337][ T7704] [ 6239.175626][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6239.175626][ T7704] netdev_get_by_index+0x5e/0x80 [ 6239.175626][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6239.175626][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6239.175626][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6239.175626][ T7704] ipv6_add_addr+0x411/0x2000 [ 6239.175626][ T7704] inet6_addr_add+0x30e/0xa40 [ 6239.175626][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6239.175626][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6239.175626][ T7704] netlink_rcv_skb+0x130/0x360 [ 6239.175626][ T7704] netlink_unicast+0x449/0x710 [ 6239.175626][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6239.175626][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6239.175626][ T7704] ___sys_sendmsg+0xee/0x170 [ 6239.175626][ T7704] __sys_sendmsg+0xcd/0x170 [ 6239.175626][ T7704] do_syscall_64+0xc6/0x1e0 [ 6239.175626][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6239.175626][ T7704] [ 6239.178445][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6239.178445][ T7704] netdev_get_by_index+0x5e/0x80 [ 6239.178445][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6239.178445][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6239.178445][ T7704] ip6_route_add+0x1c/0x140 [ 6239.178445][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6239.178445][ T7704] addrconf_add_dev+0xe2/0x170 [ 6239.178445][ T7704] inet6_addr_add+0x12f/0xa40 [ 6239.178445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6239.178445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6239.178445][ T7704] netlink_rcv_skb+0x130/0x360 [ 6239.178445][ T7704] netlink_unicast+0x449/0x710 [ 6239.178445][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6239.178445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6239.178445][ T7704] ___sys_sendmsg+0xee/0x170 [ 6239.178445][ T7704] __sys_sendmsg+0xcd/0x170 [ 6239.178445][ T7704] do_syscall_64+0xc6/0x1e0 [ 6239.178445][ T7704] [ 6239.181107][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6239.181107][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6239.181107][ T7704] ipv6_find_idev+0x102/0x170 [ 6239.181107][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6239.181107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6239.181107][ T7704] netlink_rcv_skb+0x130/0x360 [ 6239.181107][ T7704] netlink_unicast+0x449/0x710 [ 6239.181107][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6239.181107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6239.181107][ T7704] ___sys_sendmsg+0xee/0x170 [ 6239.181107][ T7704] __sys_sendmsg+0xcd/0x170 [ 6239.181107][ T7704] do_syscall_64+0xc6/0x1e0 [ 6239.181107][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6239.181107][ T7704] [ 6239.183261][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6239.183261][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6239.183261][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6239.183261][ T7704] ipv6_find_idev+0x102/0x170 [ 6239.183261][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6239.183261][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6239.183261][ T7704] netlink_rcv_skb+0x130/0x360 [ 6239.183261][ T7704] netlink_unicast+0x449/0x710 [ 6239.183261][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6239.183261][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6239.183261][ T7704] ___sys_sendmsg+0xee/0x170 [ 6239.183261][ T7704] __sys_sendmsg+0xcd/0x170 [ 6239.183261][ T7704] do_syscall_64+0xc6/0x1e0 [ 6239.183261][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6239.183261][ T7704] [ 6249.420742][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6249.421233][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6249.421233][ T7704] netdev_get_by_index+0x5e/0x80 [ 6249.421233][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6249.421233][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6249.421233][ T7704] ip6_route_add+0x1c/0x140 [ 6249.421233][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6249.421233][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6249.421233][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6249.421233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6249.421233][ T7704] netlink_rcv_skb+0x130/0x360 [ 6249.421233][ T7704] netlink_unicast+0x449/0x710 [ 6249.421233][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6249.421233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6249.421233][ T7704] ___sys_sendmsg+0xee/0x170 [ 6249.421233][ T7704] __sys_sendmsg+0xcd/0x170 [ 6249.421233][ T7704] do_syscall_64+0xc6/0x1e0 [ 6249.421233][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6249.421233][ T7704] [ 6249.423500][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6249.423500][ T7704] netdev_get_by_index+0x5e/0x80 [ 6249.423500][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6249.423500][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6249.423500][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6249.423500][ T7704] ipv6_add_addr+0x411/0x2000 [ 6249.423500][ T7704] inet6_addr_add+0x30e/0xa40 [ 6249.423500][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6249.423500][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6249.423500][ T7704] netlink_rcv_skb+0x130/0x360 [ 6249.423500][ T7704] netlink_unicast+0x449/0x710 [ 6249.423500][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6249.423500][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6249.423500][ T7704] ___sys_sendmsg+0xee/0x170 [ 6249.423500][ T7704] __sys_sendmsg+0xcd/0x170 [ 6249.423500][ T7704] do_syscall_64+0xc6/0x1e0 [ 6249.423500][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6249.423500][ T7704] [ 6249.425736][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6249.425736][ T7704] netdev_get_by_index+0x5e/0x80 [ 6249.425736][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6249.425736][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6249.425736][ T7704] ip6_route_add+0x1c/0x140 [ 6249.425736][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6249.425736][ T7704] addrconf_add_dev+0xe2/0x170 [ 6249.425736][ T7704] inet6_addr_add+0x12f/0xa40 [ 6249.425736][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6249.425736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6249.425736][ T7704] netlink_rcv_skb+0x130/0x360 [ 6249.425736][ T7704] netlink_unicast+0x449/0x710 [ 6249.425736][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6249.425736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6249.425736][ T7704] ___sys_sendmsg+0xee/0x170 [ 6249.425736][ T7704] __sys_sendmsg+0xcd/0x170 [ 6249.425736][ T7704] do_syscall_64+0xc6/0x1e0 [ 6249.425736][ T7704] [ 6249.427926][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6249.427926][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6249.427926][ T7704] ipv6_find_idev+0x102/0x170 [ 6249.427926][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6249.427926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6249.427926][ T7704] netlink_rcv_skb+0x130/0x360 [ 6249.427926][ T7704] netlink_unicast+0x449/0x710 [ 6249.427926][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6249.427926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6249.427926][ T7704] ___sys_sendmsg+0xee/0x170 [ 6249.427926][ T7704] __sys_sendmsg+0xcd/0x170 [ 6249.427926][ T7704] do_syscall_64+0xc6/0x1e0 [ 6249.427926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6249.427926][ T7704] [ 6249.429638][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6249.429638][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6249.429638][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6249.429638][ T7704] ipv6_find_idev+0x102/0x170 [ 6249.429638][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6249.429638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6249.429638][ T7704] netlink_rcv_skb+0x130/0x360 [ 6249.429638][ T7704] netlink_unicast+0x449/0x710 [ 6249.429638][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6249.429638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6249.429638][ T7704] ___sys_sendmsg+0xee/0x170 [ 6249.429638][ T7704] __sys_sendmsg+0xcd/0x170 [ 6249.429638][ T7704] do_syscall_64+0xc6/0x1e0 [ 6249.429638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6249.429638][ T7704] [ 6259.668831][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6259.669332][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6259.669332][ T7704] netdev_get_by_index+0x5e/0x80 [ 6259.669332][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6259.669332][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6259.669332][ T7704] ip6_route_add+0x1c/0x140 [ 6259.669332][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6259.669332][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6259.669332][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6259.669332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6259.669332][ T7704] netlink_rcv_skb+0x130/0x360 [ 6259.669332][ T7704] netlink_unicast+0x449/0x710 [ 6259.669332][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6259.669332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6259.669332][ T7704] ___sys_sendmsg+0xee/0x170 [ 6259.669332][ T7704] __sys_sendmsg+0xcd/0x170 [ 6259.669332][ T7704] do_syscall_64+0xc6/0x1e0 [ 6259.669332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6259.669332][ T7704] [ 6259.671593][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6259.671593][ T7704] netdev_get_by_index+0x5e/0x80 [ 6259.671593][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6259.671593][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6259.671593][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6259.671593][ T7704] ipv6_add_addr+0x411/0x2000 [ 6259.671593][ T7704] inet6_addr_add+0x30e/0xa40 [ 6259.671593][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6259.671593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6259.671593][ T7704] netlink_rcv_skb+0x130/0x360 [ 6259.671593][ T7704] netlink_unicast+0x449/0x710 [ 6259.671593][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6259.671593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6259.671593][ T7704] ___sys_sendmsg+0xee/0x170 [ 6259.671593][ T7704] __sys_sendmsg+0xcd/0x170 [ 6259.671593][ T7704] do_syscall_64+0xc6/0x1e0 [ 6259.671593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6259.671593][ T7704] [ 6259.673837][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6259.673837][ T7704] netdev_get_by_index+0x5e/0x80 [ 6259.673837][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6259.673837][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6259.673837][ T7704] ip6_route_add+0x1c/0x140 [ 6259.673837][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6259.673837][ T7704] addrconf_add_dev+0xe2/0x170 [ 6259.673837][ T7704] inet6_addr_add+0x12f/0xa40 [ 6259.673837][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6259.673837][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6259.673837][ T7704] netlink_rcv_skb+0x130/0x360 [ 6259.673837][ T7704] netlink_unicast+0x449/0x710 [ 6259.673837][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6259.673837][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6259.673837][ T7704] ___sys_sendmsg+0xee/0x170 [ 6259.673837][ T7704] __sys_sendmsg+0xcd/0x170 [ 6259.673837][ T7704] do_syscall_64+0xc6/0x1e0 [ 6259.673837][ T7704] [ 6259.676024][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6259.676024][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6259.676024][ T7704] ipv6_find_idev+0x102/0x170 [ 6259.676024][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6259.676024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6259.676024][ T7704] netlink_rcv_skb+0x130/0x360 [ 6259.676024][ T7704] netlink_unicast+0x449/0x710 [ 6259.676024][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6259.676024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6259.676024][ T7704] ___sys_sendmsg+0xee/0x170 [ 6259.676024][ T7704] __sys_sendmsg+0xcd/0x170 [ 6259.676024][ T7704] do_syscall_64+0xc6/0x1e0 [ 6259.676024][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6259.676024][ T7704] [ 6259.677736][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6259.677736][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6259.677736][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6259.677736][ T7704] ipv6_find_idev+0x102/0x170 [ 6259.677736][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6259.677736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6259.677736][ T7704] netlink_rcv_skb+0x130/0x360 [ 6259.677736][ T7704] netlink_unicast+0x449/0x710 [ 6259.677736][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6259.677736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6259.677736][ T7704] ___sys_sendmsg+0xee/0x170 [ 6259.677736][ T7704] __sys_sendmsg+0xcd/0x170 [ 6259.677736][ T7704] do_syscall_64+0xc6/0x1e0 [ 6259.677736][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6259.677736][ T7704] [ 6269.916846][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6269.917336][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6269.917336][ T7704] netdev_get_by_index+0x5e/0x80 [ 6269.917336][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6269.917336][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6269.917336][ T7704] ip6_route_add+0x1c/0x140 [ 6269.917336][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6269.917336][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6269.917336][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6269.917336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6269.917336][ T7704] netlink_rcv_skb+0x130/0x360 [ 6269.917336][ T7704] netlink_unicast+0x449/0x710 [ 6269.917336][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6269.917336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6269.917336][ T7704] ___sys_sendmsg+0xee/0x170 [ 6269.917336][ T7704] __sys_sendmsg+0xcd/0x170 [ 6269.917336][ T7704] do_syscall_64+0xc6/0x1e0 [ 6269.917336][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6269.917336][ T7704] [ 6269.919560][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6269.919560][ T7704] netdev_get_by_index+0x5e/0x80 [ 6269.919560][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6269.919560][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6269.919560][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6269.919560][ T7704] ipv6_add_addr+0x411/0x2000 [ 6269.919560][ T7704] inet6_addr_add+0x30e/0xa40 [ 6269.919560][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6269.919560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6269.919560][ T7704] netlink_rcv_skb+0x130/0x360 [ 6269.919560][ T7704] netlink_unicast+0x449/0x710 [ 6269.919560][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6269.919560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6269.919560][ T7704] ___sys_sendmsg+0xee/0x170 [ 6269.919560][ T7704] __sys_sendmsg+0xcd/0x170 [ 6269.919560][ T7704] do_syscall_64+0xc6/0x1e0 [ 6269.919560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6269.919560][ T7704] [ 6269.921789][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6269.921789][ T7704] netdev_get_by_index+0x5e/0x80 [ 6269.921789][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6269.921789][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6269.921789][ T7704] ip6_route_add+0x1c/0x140 [ 6269.921789][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6269.921789][ T7704] addrconf_add_dev+0xe2/0x170 [ 6269.921789][ T7704] inet6_addr_add+0x12f/0xa40 [ 6269.921789][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6269.921789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6269.921789][ T7704] netlink_rcv_skb+0x130/0x360 [ 6269.921789][ T7704] netlink_unicast+0x449/0x710 [ 6269.921789][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6269.921789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6269.921789][ T7704] ___sys_sendmsg+0xee/0x170 [ 6269.921789][ T7704] __sys_sendmsg+0xcd/0x170 [ 6269.921789][ T7704] do_syscall_64+0xc6/0x1e0 [ 6269.921789][ T7704] [ 6269.923955][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6269.923955][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6269.923955][ T7704] ipv6_find_idev+0x102/0x170 [ 6269.923955][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6269.923955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6269.923955][ T7704] netlink_rcv_skb+0x130/0x360 [ 6269.923955][ T7704] netlink_unicast+0x449/0x710 [ 6269.923955][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6269.923955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6269.923955][ T7704] ___sys_sendmsg+0xee/0x170 [ 6269.923955][ T7704] __sys_sendmsg+0xcd/0x170 [ 6269.923955][ T7704] do_syscall_64+0xc6/0x1e0 [ 6269.923955][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6269.923955][ T7704] [ 6269.925663][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6269.925663][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6269.925663][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6269.925663][ T7704] ipv6_find_idev+0x102/0x170 [ 6269.925663][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6269.925663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6269.925663][ T7704] netlink_rcv_skb+0x130/0x360 [ 6269.925663][ T7704] netlink_unicast+0x449/0x710 [ 6269.925663][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6269.925663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6269.925663][ T7704] ___sys_sendmsg+0xee/0x170 [ 6269.925663][ T7704] __sys_sendmsg+0xcd/0x170 [ 6269.925663][ T7704] do_syscall_64+0xc6/0x1e0 [ 6269.925663][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6269.925663][ T7704] [ 6280.172810][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6280.173290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6280.173290][ T7704] netdev_get_by_index+0x5e/0x80 [ 6280.173290][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6280.173290][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6280.173290][ T7704] ip6_route_add+0x1c/0x140 [ 6280.173290][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6280.173290][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6280.173290][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6280.173290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6280.173290][ T7704] netlink_rcv_skb+0x130/0x360 [ 6280.173290][ T7704] netlink_unicast+0x449/0x710 [ 6280.173290][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6280.173290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6280.173290][ T7704] ___sys_sendmsg+0xee/0x170 [ 6280.173290][ T7704] __sys_sendmsg+0xcd/0x170 [ 6280.173290][ T7704] do_syscall_64+0xc6/0x1e0 [ 6280.173290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6280.173290][ T7704] [ 6280.175480][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6280.175480][ T7704] netdev_get_by_index+0x5e/0x80 [ 6280.175480][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6280.175480][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6280.175480][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6280.175480][ T7704] ipv6_add_addr+0x411/0x2000 [ 6280.175480][ T7704] inet6_addr_add+0x30e/0xa40 [ 6280.175480][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6280.175480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6280.175480][ T7704] netlink_rcv_skb+0x130/0x360 [ 6280.175480][ T7704] netlink_unicast+0x449/0x710 [ 6280.175480][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6280.175480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6280.175480][ T7704] ___sys_sendmsg+0xee/0x170 [ 6280.175480][ T7704] __sys_sendmsg+0xcd/0x170 [ 6280.175480][ T7704] do_syscall_64+0xc6/0x1e0 [ 6280.175480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6280.175480][ T7704] [ 6280.177699][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6280.177699][ T7704] netdev_get_by_index+0x5e/0x80 [ 6280.177699][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6280.177699][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6280.177699][ T7704] ip6_route_add+0x1c/0x140 [ 6280.177699][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6280.177699][ T7704] addrconf_add_dev+0xe2/0x170 [ 6280.177699][ T7704] inet6_addr_add+0x12f/0xa40 [ 6280.177699][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6280.177699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6280.177699][ T7704] netlink_rcv_skb+0x130/0x360 [ 6280.177699][ T7704] netlink_unicast+0x449/0x710 [ 6280.177699][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6280.177699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6280.177699][ T7704] ___sys_sendmsg+0xee/0x170 [ 6280.177699][ T7704] __sys_sendmsg+0xcd/0x170 [ 6280.177699][ T7704] do_syscall_64+0xc6/0x1e0 [ 6280.177699][ T7704] [ 6280.179862][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6280.179862][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6280.179862][ T7704] ipv6_find_idev+0x102/0x170 [ 6280.179862][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6280.179862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6280.179862][ T7704] netlink_rcv_skb+0x130/0x360 [ 6280.179862][ T7704] netlink_unicast+0x449/0x710 [ 6280.179862][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6280.179862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6280.179862][ T7704] ___sys_sendmsg+0xee/0x170 [ 6280.179862][ T7704] __sys_sendmsg+0xcd/0x170 [ 6280.179862][ T7704] do_syscall_64+0xc6/0x1e0 [ 6280.179862][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6280.179862][ T7704] [ 6280.181562][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6280.181562][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6280.181562][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6280.181562][ T7704] ipv6_find_idev+0x102/0x170 [ 6280.181562][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6280.181562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6280.181562][ T7704] netlink_rcv_skb+0x130/0x360 [ 6280.181562][ T7704] netlink_unicast+0x449/0x710 [ 6280.181562][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6280.181562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6280.181562][ T7704] ___sys_sendmsg+0xee/0x170 [ 6280.181562][ T7704] __sys_sendmsg+0xcd/0x170 [ 6280.181562][ T7704] do_syscall_64+0xc6/0x1e0 [ 6280.181562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6280.181562][ T7704] [ 6290.420819][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6290.421302][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6290.421302][ T7704] netdev_get_by_index+0x5e/0x80 [ 6290.421302][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6290.421302][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6290.421302][ T7704] ip6_route_add+0x1c/0x140 [ 6290.421302][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6290.421302][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6290.421302][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6290.421302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6290.421302][ T7704] netlink_rcv_skb+0x130/0x360 [ 6290.421302][ T7704] netlink_unicast+0x449/0x710 [ 6290.421302][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6290.421302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6290.421302][ T7704] ___sys_sendmsg+0xee/0x170 [ 6290.421302][ T7704] __sys_sendmsg+0xcd/0x170 [ 6290.421302][ T7704] do_syscall_64+0xc6/0x1e0 [ 6290.421302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6290.421302][ T7704] [ 6290.423521][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6290.423521][ T7704] netdev_get_by_index+0x5e/0x80 [ 6290.423521][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6290.423521][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6290.423521][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6290.423521][ T7704] ipv6_add_addr+0x411/0x2000 [ 6290.423521][ T7704] inet6_addr_add+0x30e/0xa40 [ 6290.423521][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6290.423521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6290.423521][ T7704] netlink_rcv_skb+0x130/0x360 [ 6290.423521][ T7704] netlink_unicast+0x449/0x710 [ 6290.423521][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6290.423521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6290.423521][ T7704] ___sys_sendmsg+0xee/0x170 [ 6290.423521][ T7704] __sys_sendmsg+0xcd/0x170 [ 6290.423521][ T7704] do_syscall_64+0xc6/0x1e0 [ 6290.423521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6290.423521][ T7704] [ 6290.425722][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6290.425722][ T7704] netdev_get_by_index+0x5e/0x80 [ 6290.425722][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6290.425722][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6290.425722][ T7704] ip6_route_add+0x1c/0x140 [ 6290.425722][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6290.425722][ T7704] addrconf_add_dev+0xe2/0x170 [ 6290.425722][ T7704] inet6_addr_add+0x12f/0xa40 [ 6290.425722][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6290.425722][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6290.425722][ T7704] netlink_rcv_skb+0x130/0x360 [ 6290.425722][ T7704] netlink_unicast+0x449/0x710 [ 6290.425722][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6290.425722][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6290.425722][ T7704] ___sys_sendmsg+0xee/0x170 [ 6290.425722][ T7704] __sys_sendmsg+0xcd/0x170 [ 6290.425722][ T7704] do_syscall_64+0xc6/0x1e0 [ 6290.425722][ T7704] [ 6290.427895][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6290.427895][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6290.427895][ T7704] ipv6_find_idev+0x102/0x170 [ 6290.427895][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6290.427895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6290.427895][ T7704] netlink_rcv_skb+0x130/0x360 [ 6290.427895][ T7704] netlink_unicast+0x449/0x710 [ 6290.427895][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6290.427895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6290.427895][ T7704] ___sys_sendmsg+0xee/0x170 [ 6290.427895][ T7704] __sys_sendmsg+0xcd/0x170 [ 6290.427895][ T7704] do_syscall_64+0xc6/0x1e0 [ 6290.427895][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6290.427895][ T7704] [ 6290.429600][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6290.429600][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6290.429600][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6290.429600][ T7704] ipv6_find_idev+0x102/0x170 [ 6290.429600][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6290.429600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6290.429600][ T7704] netlink_rcv_skb+0x130/0x360 [ 6290.429600][ T7704] netlink_unicast+0x449/0x710 [ 6290.429600][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6290.429600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6290.429600][ T7704] ___sys_sendmsg+0xee/0x170 [ 6290.429600][ T7704] __sys_sendmsg+0xcd/0x170 [ 6290.429600][ T7704] do_syscall_64+0xc6/0x1e0 [ 6290.429600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6290.429600][ T7704] [ 6300.636827][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6300.637295][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6300.637295][ T7704] netdev_get_by_index+0x5e/0x80 [ 6300.637295][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6300.637295][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6300.637295][ T7704] ip6_route_add+0x1c/0x140 [ 6300.637295][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6300.637295][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6300.637295][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6300.637295][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6300.637295][ T7704] netlink_rcv_skb+0x130/0x360 [ 6300.637295][ T7704] netlink_unicast+0x449/0x710 [ 6300.637295][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6300.637295][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6300.637295][ T7704] ___sys_sendmsg+0xee/0x170 [ 6300.637295][ T7704] __sys_sendmsg+0xcd/0x170 [ 6300.637295][ T7704] do_syscall_64+0xc6/0x1e0 [ 6300.637295][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6300.637295][ T7704] [ 6300.639532][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6300.639532][ T7704] netdev_get_by_index+0x5e/0x80 [ 6300.639532][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6300.639532][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6300.639532][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6300.639532][ T7704] ipv6_add_addr+0x411/0x2000 [ 6300.639532][ T7704] inet6_addr_add+0x30e/0xa40 [ 6300.639532][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6300.639532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6300.639532][ T7704] netlink_rcv_skb+0x130/0x360 [ 6300.639532][ T7704] netlink_unicast+0x449/0x710 [ 6300.639532][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6300.639532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6300.639532][ T7704] ___sys_sendmsg+0xee/0x170 [ 6300.639532][ T7704] __sys_sendmsg+0xcd/0x170 [ 6300.639532][ T7704] do_syscall_64+0xc6/0x1e0 [ 6300.639532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6300.639532][ T7704] [ 6300.641767][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6300.641767][ T7704] netdev_get_by_index+0x5e/0x80 [ 6300.641767][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6300.641767][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6300.641767][ T7704] ip6_route_add+0x1c/0x140 [ 6300.641767][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6300.641767][ T7704] addrconf_add_dev+0xe2/0x170 [ 6300.641767][ T7704] inet6_addr_add+0x12f/0xa40 [ 6300.641767][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6300.641767][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6300.641767][ T7704] netlink_rcv_skb+0x130/0x360 [ 6300.641767][ T7704] netlink_unicast+0x449/0x710 [ 6300.641767][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6300.641767][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6300.641767][ T7704] ___sys_sendmsg+0xee/0x170 [ 6300.641767][ T7704] __sys_sendmsg+0xcd/0x170 [ 6300.641767][ T7704] do_syscall_64+0xc6/0x1e0 [ 6300.641767][ T7704] [ 6300.643943][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6300.643943][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6300.643943][ T7704] ipv6_find_idev+0x102/0x170 [ 6300.643943][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6300.643943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6300.643943][ T7704] netlink_rcv_skb+0x130/0x360 [ 6300.643943][ T7704] netlink_unicast+0x449/0x710 [ 6300.643943][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6300.643943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6300.643943][ T7704] ___sys_sendmsg+0xee/0x170 [ 6300.643943][ T7704] __sys_sendmsg+0xcd/0x170 [ 6300.643943][ T7704] do_syscall_64+0xc6/0x1e0 [ 6300.643943][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6300.643943][ T7704] [ 6300.645651][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6300.645651][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6300.645651][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6300.645651][ T7704] ipv6_find_idev+0x102/0x170 [ 6300.645651][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6300.645651][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6300.645651][ T7704] netlink_rcv_skb+0x130/0x360 [ 6300.645651][ T7704] netlink_unicast+0x449/0x710 [ 6300.645651][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6300.645651][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6300.645651][ T7704] ___sys_sendmsg+0xee/0x170 [ 6300.645651][ T7704] __sys_sendmsg+0xcd/0x170 [ 6300.645651][ T7704] do_syscall_64+0xc6/0x1e0 [ 6300.645651][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6300.645651][ T7704] [ 6310.884809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6310.885290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6310.885290][ T7704] netdev_get_by_index+0x5e/0x80 [ 6310.885290][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6310.885290][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6310.885290][ T7704] ip6_route_add+0x1c/0x140 [ 6310.885290][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6310.885290][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6310.885290][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6310.885290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6310.885290][ T7704] netlink_rcv_skb+0x130/0x360 [ 6310.885290][ T7704] netlink_unicast+0x449/0x710 [ 6310.885290][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6310.885290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6310.885290][ T7704] ___sys_sendmsg+0xee/0x170 [ 6310.885290][ T7704] __sys_sendmsg+0xcd/0x170 [ 6310.885290][ T7704] do_syscall_64+0xc6/0x1e0 [ 6310.885290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6310.885290][ T7704] [ 6310.887527][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6310.887527][ T7704] netdev_get_by_index+0x5e/0x80 [ 6310.887527][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6310.887527][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6310.887527][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6310.887527][ T7704] ipv6_add_addr+0x411/0x2000 [ 6310.887527][ T7704] inet6_addr_add+0x30e/0xa40 [ 6310.887527][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6310.887527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6310.887527][ T7704] netlink_rcv_skb+0x130/0x360 [ 6310.887527][ T7704] netlink_unicast+0x449/0x710 [ 6310.887527][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6310.887527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6310.887527][ T7704] ___sys_sendmsg+0xee/0x170 [ 6310.887527][ T7704] __sys_sendmsg+0xcd/0x170 [ 6310.887527][ T7704] do_syscall_64+0xc6/0x1e0 [ 6310.887527][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6310.887527][ T7704] [ 6310.889736][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6310.889736][ T7704] netdev_get_by_index+0x5e/0x80 [ 6310.889736][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6310.889736][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6310.889736][ T7704] ip6_route_add+0x1c/0x140 [ 6310.889736][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6310.889736][ T7704] addrconf_add_dev+0xe2/0x170 [ 6310.889736][ T7704] inet6_addr_add+0x12f/0xa40 [ 6310.889736][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6310.889736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6310.889736][ T7704] netlink_rcv_skb+0x130/0x360 [ 6310.889736][ T7704] netlink_unicast+0x449/0x710 [ 6310.889736][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6310.889736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6310.889736][ T7704] ___sys_sendmsg+0xee/0x170 [ 6310.889736][ T7704] __sys_sendmsg+0xcd/0x170 [ 6310.889736][ T7704] do_syscall_64+0xc6/0x1e0 [ 6310.889736][ T7704] [ 6310.891914][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6310.891914][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6310.891914][ T7704] ipv6_find_idev+0x102/0x170 [ 6310.891914][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6310.891914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6310.891914][ T7704] netlink_rcv_skb+0x130/0x360 [ 6310.891914][ T7704] netlink_unicast+0x449/0x710 [ 6310.891914][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6310.891914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6310.891914][ T7704] ___sys_sendmsg+0xee/0x170 [ 6310.891914][ T7704] __sys_sendmsg+0xcd/0x170 [ 6310.891914][ T7704] do_syscall_64+0xc6/0x1e0 [ 6310.891914][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6310.891914][ T7704] [ 6310.893612][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6310.893612][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6310.893612][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6310.893612][ T7704] ipv6_find_idev+0x102/0x170 [ 6310.893612][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6310.893612][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6310.893612][ T7704] netlink_rcv_skb+0x130/0x360 [ 6310.893612][ T7704] netlink_unicast+0x449/0x710 [ 6310.893612][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6310.893612][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6310.893612][ T7704] ___sys_sendmsg+0xee/0x170 [ 6310.893612][ T7704] __sys_sendmsg+0xcd/0x170 [ 6310.893612][ T7704] do_syscall_64+0xc6/0x1e0 [ 6310.893612][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6310.893612][ T7704] [ 6321.132809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6321.133308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6321.133308][ T7704] netdev_get_by_index+0x5e/0x80 [ 6321.133308][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6321.133308][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6321.133308][ T7704] ip6_route_add+0x1c/0x140 [ 6321.133308][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6321.133308][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6321.133308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6321.133308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6321.133308][ T7704] netlink_rcv_skb+0x130/0x360 [ 6321.133308][ T7704] netlink_unicast+0x449/0x710 [ 6321.133308][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6321.133308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6321.133308][ T7704] ___sys_sendmsg+0xee/0x170 [ 6321.133308][ T7704] __sys_sendmsg+0xcd/0x170 [ 6321.133308][ T7704] do_syscall_64+0xc6/0x1e0 [ 6321.133308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6321.133308][ T7704] [ 6321.135554][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6321.135554][ T7704] netdev_get_by_index+0x5e/0x80 [ 6321.135554][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6321.135554][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6321.135554][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6321.135554][ T7704] ipv6_add_addr+0x411/0x2000 [ 6321.135554][ T7704] inet6_addr_add+0x30e/0xa40 [ 6321.135554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6321.135554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6321.135554][ T7704] netlink_rcv_skb+0x130/0x360 [ 6321.135554][ T7704] netlink_unicast+0x449/0x710 [ 6321.135554][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6321.135554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6321.135554][ T7704] ___sys_sendmsg+0xee/0x170 [ 6321.135554][ T7704] __sys_sendmsg+0xcd/0x170 [ 6321.135554][ T7704] do_syscall_64+0xc6/0x1e0 [ 6321.135554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6321.135554][ T7704] [ 6321.137781][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6321.137781][ T7704] netdev_get_by_index+0x5e/0x80 [ 6321.137781][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6321.137781][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6321.137781][ T7704] ip6_route_add+0x1c/0x140 [ 6321.137781][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6321.137781][ T7704] addrconf_add_dev+0xe2/0x170 [ 6321.137781][ T7704] inet6_addr_add+0x12f/0xa40 [ 6321.137781][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6321.137781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6321.137781][ T7704] netlink_rcv_skb+0x130/0x360 [ 6321.137781][ T7704] netlink_unicast+0x449/0x710 [ 6321.137781][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6321.137781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6321.137781][ T7704] ___sys_sendmsg+0xee/0x170 [ 6321.137781][ T7704] __sys_sendmsg+0xcd/0x170 [ 6321.137781][ T7704] do_syscall_64+0xc6/0x1e0 [ 6321.137781][ T7704] [ 6321.139959][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6321.139959][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6321.139959][ T7704] ipv6_find_idev+0x102/0x170 [ 6321.139959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6321.139959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6321.139959][ T7704] netlink_rcv_skb+0x130/0x360 [ 6321.139959][ T7704] netlink_unicast+0x449/0x710 [ 6321.139959][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6321.139959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6321.139959][ T7704] ___sys_sendmsg+0xee/0x170 [ 6321.139959][ T7704] __sys_sendmsg+0xcd/0x170 [ 6321.139959][ T7704] do_syscall_64+0xc6/0x1e0 [ 6321.139959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6321.139959][ T7704] [ 6321.141672][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6321.141672][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6321.141672][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6321.141672][ T7704] ipv6_find_idev+0x102/0x170 [ 6321.141672][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6321.141672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6321.141672][ T7704] netlink_rcv_skb+0x130/0x360 [ 6321.141672][ T7704] netlink_unicast+0x449/0x710 [ 6321.141672][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6321.141672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6321.141672][ T7704] ___sys_sendmsg+0xee/0x170 [ 6321.141672][ T7704] __sys_sendmsg+0xcd/0x170 [ 6321.141672][ T7704] do_syscall_64+0xc6/0x1e0 [ 6321.141672][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6321.141672][ T7704] [ 6331.380811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6331.381325][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6331.381325][ T7704] netdev_get_by_index+0x5e/0x80 [ 6331.381325][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6331.381325][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6331.381325][ T7704] ip6_route_add+0x1c/0x140 [ 6331.381325][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6331.381325][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6331.381325][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6331.381325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6331.381325][ T7704] netlink_rcv_skb+0x130/0x360 [ 6331.381325][ T7704] netlink_unicast+0x449/0x710 [ 6331.381325][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6331.381325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6331.381325][ T7704] ___sys_sendmsg+0xee/0x170 [ 6331.381325][ T7704] __sys_sendmsg+0xcd/0x170 [ 6331.381325][ T7704] do_syscall_64+0xc6/0x1e0 [ 6331.381325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6331.381325][ T7704] [ 6331.383600][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6331.383600][ T7704] netdev_get_by_index+0x5e/0x80 [ 6331.383600][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6331.383600][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6331.383600][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6331.383600][ T7704] ipv6_add_addr+0x411/0x2000 [ 6331.383600][ T7704] inet6_addr_add+0x30e/0xa40 [ 6331.383600][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6331.383600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6331.383600][ T7704] netlink_rcv_skb+0x130/0x360 [ 6331.383600][ T7704] netlink_unicast+0x449/0x710 [ 6331.383600][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6331.383600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6331.383600][ T7704] ___sys_sendmsg+0xee/0x170 [ 6331.383600][ T7704] __sys_sendmsg+0xcd/0x170 [ 6331.383600][ T7704] do_syscall_64+0xc6/0x1e0 [ 6331.383600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6331.383600][ T7704] [ 6331.386170][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6331.386170][ T7704] netdev_get_by_index+0x5e/0x80 [ 6331.386170][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6331.386170][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6331.386170][ T7704] ip6_route_add+0x1c/0x140 [ 6331.386170][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6331.386170][ T7704] addrconf_add_dev+0xe2/0x170 [ 6331.386170][ T7704] inet6_addr_add+0x12f/0xa40 [ 6331.386170][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6331.386170][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6331.386170][ T7704] netlink_rcv_skb+0x130/0x360 [ 6331.386170][ T7704] netlink_unicast+0x449/0x710 [ 6331.386170][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6331.386170][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6331.386170][ T7704] ___sys_sendmsg+0xee/0x170 [ 6331.386170][ T7704] __sys_sendmsg+0xcd/0x170 [ 6331.386170][ T7704] do_syscall_64+0xc6/0x1e0 [ 6331.386170][ T7704] [ 6331.389682][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6331.389682][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6331.389682][ T7704] ipv6_find_idev+0x102/0x170 [ 6331.389682][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6331.389682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6331.389682][ T7704] netlink_rcv_skb+0x130/0x360 [ 6331.389682][ T7704] netlink_unicast+0x449/0x710 [ 6331.389682][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6331.389682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6331.389682][ T7704] ___sys_sendmsg+0xee/0x170 [ 6331.389682][ T7704] __sys_sendmsg+0xcd/0x170 [ 6331.389682][ T7704] do_syscall_64+0xc6/0x1e0 [ 6331.389682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6331.389682][ T7704] [ 6331.392382][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6331.392382][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6331.392382][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6331.392382][ T7704] ipv6_find_idev+0x102/0x170 [ 6331.392382][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6331.392382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6331.392382][ T7704] netlink_rcv_skb+0x130/0x360 [ 6331.392382][ T7704] netlink_unicast+0x449/0x710 [ 6331.392382][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6331.392382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6331.392382][ T7704] ___sys_sendmsg+0xee/0x170 [ 6331.392382][ T7704] __sys_sendmsg+0xcd/0x170 [ 6331.392382][ T7704] do_syscall_64+0xc6/0x1e0 [ 6331.392382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6331.392382][ T7704] [ 6341.636828][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6341.637366][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6341.637366][ T7704] netdev_get_by_index+0x5e/0x80 [ 6341.637366][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6341.637366][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6341.637366][ T7704] ip6_route_add+0x1c/0x140 [ 6341.637366][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6341.637366][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6341.637366][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6341.637366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6341.637366][ T7704] netlink_rcv_skb+0x130/0x360 [ 6341.637366][ T7704] netlink_unicast+0x449/0x710 [ 6341.637366][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6341.637366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6341.637366][ T7704] ___sys_sendmsg+0xee/0x170 [ 6341.637366][ T7704] __sys_sendmsg+0xcd/0x170 [ 6341.637366][ T7704] do_syscall_64+0xc6/0x1e0 [ 6341.637366][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6341.637366][ T7704] [ 6341.639621][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6341.639621][ T7704] netdev_get_by_index+0x5e/0x80 [ 6341.639621][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6341.639621][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6341.639621][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6341.639621][ T7704] ipv6_add_addr+0x411/0x2000 [ 6341.639621][ T7704] inet6_addr_add+0x30e/0xa40 [ 6341.639621][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6341.639621][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6341.639621][ T7704] netlink_rcv_skb+0x130/0x360 [ 6341.639621][ T7704] netlink_unicast+0x449/0x710 [ 6341.639621][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6341.639621][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6341.639621][ T7704] ___sys_sendmsg+0xee/0x170 [ 6341.639621][ T7704] __sys_sendmsg+0xcd/0x170 [ 6341.639621][ T7704] do_syscall_64+0xc6/0x1e0 [ 6341.639621][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6341.639621][ T7704] [ 6341.641863][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6341.641863][ T7704] netdev_get_by_index+0x5e/0x80 [ 6341.641863][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6341.641863][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6341.641863][ T7704] ip6_route_add+0x1c/0x140 [ 6341.641863][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6341.641863][ T7704] addrconf_add_dev+0xe2/0x170 [ 6341.641863][ T7704] inet6_addr_add+0x12f/0xa40 [ 6341.641863][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6341.641863][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6341.641863][ T7704] netlink_rcv_skb+0x130/0x360 [ 6341.641863][ T7704] netlink_unicast+0x449/0x710 [ 6341.641863][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6341.641863][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6341.641863][ T7704] ___sys_sendmsg+0xee/0x170 [ 6341.641863][ T7704] __sys_sendmsg+0xcd/0x170 [ 6341.641863][ T7704] do_syscall_64+0xc6/0x1e0 [ 6341.641863][ T7704] [ 6341.644032][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6341.644032][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6341.644032][ T7704] ipv6_find_idev+0x102/0x170 [ 6341.644032][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6341.644032][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6341.644032][ T7704] netlink_rcv_skb+0x130/0x360 [ 6341.644032][ T7704] netlink_unicast+0x449/0x710 [ 6341.644032][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6341.644032][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6341.644032][ T7704] ___sys_sendmsg+0xee/0x170 [ 6341.644032][ T7704] __sys_sendmsg+0xcd/0x170 [ 6341.644032][ T7704] do_syscall_64+0xc6/0x1e0 [ 6341.644032][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6341.644032][ T7704] [ 6341.645774][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6341.645774][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6341.645774][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6341.645774][ T7704] ipv6_find_idev+0x102/0x170 [ 6341.645774][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6341.645774][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6341.645774][ T7704] netlink_rcv_skb+0x130/0x360 [ 6341.645774][ T7704] netlink_unicast+0x449/0x710 [ 6341.645774][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6341.645774][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6341.645774][ T7704] ___sys_sendmsg+0xee/0x170 [ 6341.645774][ T7704] __sys_sendmsg+0xcd/0x170 [ 6341.645774][ T7704] do_syscall_64+0xc6/0x1e0 [ 6341.645774][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6341.645774][ T7704] [ 6351.884810][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6351.885284][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6351.885284][ T7704] netdev_get_by_index+0x5e/0x80 [ 6351.885284][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6351.885284][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6351.885284][ T7704] ip6_route_add+0x1c/0x140 [ 6351.885284][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6351.885284][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6351.885284][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6351.885284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6351.885284][ T7704] netlink_rcv_skb+0x130/0x360 [ 6351.885284][ T7704] netlink_unicast+0x449/0x710 [ 6351.885284][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6351.885284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6351.885284][ T7704] ___sys_sendmsg+0xee/0x170 [ 6351.885284][ T7704] __sys_sendmsg+0xcd/0x170 [ 6351.885284][ T7704] do_syscall_64+0xc6/0x1e0 [ 6351.885284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6351.885284][ T7704] [ 6351.887512][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6351.887512][ T7704] netdev_get_by_index+0x5e/0x80 [ 6351.887512][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6351.887512][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6351.887512][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6351.887512][ T7704] ipv6_add_addr+0x411/0x2000 [ 6351.887512][ T7704] inet6_addr_add+0x30e/0xa40 [ 6351.887512][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6351.887512][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6351.887512][ T7704] netlink_rcv_skb+0x130/0x360 [ 6351.887512][ T7704] netlink_unicast+0x449/0x710 [ 6351.887512][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6351.887512][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6351.887512][ T7704] ___sys_sendmsg+0xee/0x170 [ 6351.887512][ T7704] __sys_sendmsg+0xcd/0x170 [ 6351.887512][ T7704] do_syscall_64+0xc6/0x1e0 [ 6351.887512][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6351.887512][ T7704] [ 6351.889813][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6351.889813][ T7704] netdev_get_by_index+0x5e/0x80 [ 6351.889813][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6351.889813][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6351.889813][ T7704] ip6_route_add+0x1c/0x140 [ 6351.889813][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6351.889813][ T7704] addrconf_add_dev+0xe2/0x170 [ 6351.889813][ T7704] inet6_addr_add+0x12f/0xa40 [ 6351.889813][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6351.889813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6351.889813][ T7704] netlink_rcv_skb+0x130/0x360 [ 6351.889813][ T7704] netlink_unicast+0x449/0x710 [ 6351.889813][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6351.889813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6351.889813][ T7704] ___sys_sendmsg+0xee/0x170 [ 6351.889813][ T7704] __sys_sendmsg+0xcd/0x170 [ 6351.889813][ T7704] do_syscall_64+0xc6/0x1e0 [ 6351.889813][ T7704] [ 6351.891998][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6351.891998][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6351.891998][ T7704] ipv6_find_idev+0x102/0x170 [ 6351.891998][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6351.891998][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6351.891998][ T7704] netlink_rcv_skb+0x130/0x360 [ 6351.891998][ T7704] netlink_unicast+0x449/0x710 [ 6351.891998][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6351.891998][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6351.891998][ T7704] ___sys_sendmsg+0xee/0x170 [ 6351.891998][ T7704] __sys_sendmsg+0xcd/0x170 [ 6351.891998][ T7704] do_syscall_64+0xc6/0x1e0 [ 6351.891998][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6351.891998][ T7704] [ 6351.893693][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6351.893693][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6351.893693][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6351.893693][ T7704] ipv6_find_idev+0x102/0x170 [ 6351.893693][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6351.893693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6351.893693][ T7704] netlink_rcv_skb+0x130/0x360 [ 6351.893693][ T7704] netlink_unicast+0x449/0x710 [ 6351.893693][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6351.893693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6351.893693][ T7704] ___sys_sendmsg+0xee/0x170 [ 6351.893693][ T7704] __sys_sendmsg+0xcd/0x170 [ 6351.893693][ T7704] do_syscall_64+0xc6/0x1e0 [ 6351.893693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6351.893693][ T7704] [ 6362.132861][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6362.133343][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6362.133343][ T7704] netdev_get_by_index+0x5e/0x80 [ 6362.133343][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6362.133343][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6362.133343][ T7704] ip6_route_add+0x1c/0x140 [ 6362.133343][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6362.133343][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6362.133343][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6362.133343][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6362.133343][ T7704] netlink_rcv_skb+0x130/0x360 [ 6362.133343][ T7704] netlink_unicast+0x449/0x710 [ 6362.133343][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6362.133343][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6362.133343][ T7704] ___sys_sendmsg+0xee/0x170 [ 6362.133343][ T7704] __sys_sendmsg+0xcd/0x170 [ 6362.133343][ T7704] do_syscall_64+0xc6/0x1e0 [ 6362.133343][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6362.133343][ T7704] [ 6362.135576][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6362.135576][ T7704] netdev_get_by_index+0x5e/0x80 [ 6362.135576][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6362.135576][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6362.135576][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6362.135576][ T7704] ipv6_add_addr+0x411/0x2000 [ 6362.135576][ T7704] inet6_addr_add+0x30e/0xa40 [ 6362.135576][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6362.135576][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6362.135576][ T7704] netlink_rcv_skb+0x130/0x360 [ 6362.135576][ T7704] netlink_unicast+0x449/0x710 [ 6362.135576][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6362.135576][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6362.135576][ T7704] ___sys_sendmsg+0xee/0x170 [ 6362.135576][ T7704] __sys_sendmsg+0xcd/0x170 [ 6362.135576][ T7704] do_syscall_64+0xc6/0x1e0 [ 6362.135576][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6362.135576][ T7704] [ 6362.138701][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6362.138701][ T7704] netdev_get_by_index+0x5e/0x80 [ 6362.138701][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6362.138701][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6362.138701][ T7704] ip6_route_add+0x1c/0x140 [ 6362.138701][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6362.138701][ T7704] addrconf_add_dev+0xe2/0x170 [ 6362.138701][ T7704] inet6_addr_add+0x12f/0xa40 [ 6362.138701][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6362.138701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6362.138701][ T7704] netlink_rcv_skb+0x130/0x360 [ 6362.138701][ T7704] netlink_unicast+0x449/0x710 [ 6362.138701][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6362.138701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6362.138701][ T7704] ___sys_sendmsg+0xee/0x170 [ 6362.138701][ T7704] __sys_sendmsg+0xcd/0x170 [ 6362.138701][ T7704] do_syscall_64+0xc6/0x1e0 [ 6362.138701][ T7704] [ 6362.141130][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6362.141130][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6362.141130][ T7704] ipv6_find_idev+0x102/0x170 [ 6362.141130][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6362.141130][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6362.141130][ T7704] netlink_rcv_skb+0x130/0x360 [ 6362.141130][ T7704] netlink_unicast+0x449/0x710 [ 6362.141130][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6362.141130][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6362.141130][ T7704] ___sys_sendmsg+0xee/0x170 [ 6362.141130][ T7704] __sys_sendmsg+0xcd/0x170 [ 6362.141130][ T7704] do_syscall_64+0xc6/0x1e0 [ 6362.141130][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6362.141130][ T7704] [ 6362.143220][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6362.143220][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6362.143220][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6362.143220][ T7704] ipv6_find_idev+0x102/0x170 [ 6362.143220][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6362.143220][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6362.143220][ T7704] netlink_rcv_skb+0x130/0x360 [ 6362.143220][ T7704] netlink_unicast+0x449/0x710 [ 6362.143220][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6362.143220][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6362.143220][ T7704] ___sys_sendmsg+0xee/0x170 [ 6362.143220][ T7704] __sys_sendmsg+0xcd/0x170 [ 6362.143220][ T7704] do_syscall_64+0xc6/0x1e0 [ 6362.143220][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6362.143220][ T7704] [ 6372.380824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6372.381309][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6372.381309][ T7704] netdev_get_by_index+0x5e/0x80 [ 6372.381309][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6372.381309][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6372.381309][ T7704] ip6_route_add+0x1c/0x140 [ 6372.381309][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6372.381309][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6372.381309][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6372.381309][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6372.381309][ T7704] netlink_rcv_skb+0x130/0x360 [ 6372.381309][ T7704] netlink_unicast+0x449/0x710 [ 6372.381309][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6372.381309][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6372.381309][ T7704] ___sys_sendmsg+0xee/0x170 [ 6372.381309][ T7704] __sys_sendmsg+0xcd/0x170 [ 6372.381309][ T7704] do_syscall_64+0xc6/0x1e0 [ 6372.381309][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6372.381309][ T7704] [ 6372.383529][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6372.383529][ T7704] netdev_get_by_index+0x5e/0x80 [ 6372.383529][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6372.383529][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6372.383529][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6372.383529][ T7704] ipv6_add_addr+0x411/0x2000 [ 6372.383529][ T7704] inet6_addr_add+0x30e/0xa40 [ 6372.383529][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6372.383529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6372.383529][ T7704] netlink_rcv_skb+0x130/0x360 [ 6372.383529][ T7704] netlink_unicast+0x449/0x710 [ 6372.383529][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6372.383529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6372.383529][ T7704] ___sys_sendmsg+0xee/0x170 [ 6372.383529][ T7704] __sys_sendmsg+0xcd/0x170 [ 6372.383529][ T7704] do_syscall_64+0xc6/0x1e0 [ 6372.383529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6372.383529][ T7704] [ 6372.385732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6372.385732][ T7704] netdev_get_by_index+0x5e/0x80 [ 6372.385732][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6372.385732][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6372.385732][ T7704] ip6_route_add+0x1c/0x140 [ 6372.385732][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6372.385732][ T7704] addrconf_add_dev+0xe2/0x170 [ 6372.385732][ T7704] inet6_addr_add+0x12f/0xa40 [ 6372.385732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6372.385732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6372.385732][ T7704] netlink_rcv_skb+0x130/0x360 [ 6372.385732][ T7704] netlink_unicast+0x449/0x710 [ 6372.385732][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6372.385732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6372.385732][ T7704] ___sys_sendmsg+0xee/0x170 [ 6372.385732][ T7704] __sys_sendmsg+0xcd/0x170 [ 6372.385732][ T7704] do_syscall_64+0xc6/0x1e0 [ 6372.385732][ T7704] [ 6372.387898][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6372.387898][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6372.387898][ T7704] ipv6_find_idev+0x102/0x170 [ 6372.387898][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6372.387898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6372.387898][ T7704] netlink_rcv_skb+0x130/0x360 [ 6372.387898][ T7704] netlink_unicast+0x449/0x710 [ 6372.387898][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6372.387898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6372.387898][ T7704] ___sys_sendmsg+0xee/0x170 [ 6372.387898][ T7704] __sys_sendmsg+0xcd/0x170 [ 6372.387898][ T7704] do_syscall_64+0xc6/0x1e0 [ 6372.387898][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6372.387898][ T7704] [ 6372.390539][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6372.390539][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6372.390539][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6372.390539][ T7704] ipv6_find_idev+0x102/0x170 [ 6372.390539][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6372.390539][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6372.390539][ T7704] netlink_rcv_skb+0x130/0x360 [ 6372.390539][ T7704] netlink_unicast+0x449/0x710 [ 6372.390539][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6372.390539][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6372.390539][ T7704] ___sys_sendmsg+0xee/0x170 [ 6372.390539][ T7704] __sys_sendmsg+0xcd/0x170 [ 6372.390539][ T7704] do_syscall_64+0xc6/0x1e0 [ 6372.390539][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6372.390539][ T7704] [ 6382.404816][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6382.405300][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6382.405300][ T7704] netdev_get_by_index+0x5e/0x80 [ 6382.405300][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6382.405300][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6382.405300][ T7704] ip6_route_add+0x1c/0x140 [ 6382.405300][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6382.405300][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6382.405300][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6382.405300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6382.405300][ T7704] netlink_rcv_skb+0x130/0x360 [ 6382.405300][ T7704] netlink_unicast+0x449/0x710 [ 6382.405300][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6382.405300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6382.405300][ T7704] ___sys_sendmsg+0xee/0x170 [ 6382.405300][ T7704] __sys_sendmsg+0xcd/0x170 [ 6382.405300][ T7704] do_syscall_64+0xc6/0x1e0 [ 6382.405300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6382.405300][ T7704] [ 6382.407529][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6382.407529][ T7704] netdev_get_by_index+0x5e/0x80 [ 6382.407529][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6382.407529][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6382.407529][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6382.407529][ T7704] ipv6_add_addr+0x411/0x2000 [ 6382.407529][ T7704] inet6_addr_add+0x30e/0xa40 [ 6382.407529][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6382.407529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6382.407529][ T7704] netlink_rcv_skb+0x130/0x360 [ 6382.407529][ T7704] netlink_unicast+0x449/0x710 [ 6382.407529][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6382.407529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6382.407529][ T7704] ___sys_sendmsg+0xee/0x170 [ 6382.407529][ T7704] __sys_sendmsg+0xcd/0x170 [ 6382.407529][ T7704] do_syscall_64+0xc6/0x1e0 [ 6382.407529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6382.407529][ T7704] [ 6382.409727][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6382.409727][ T7704] netdev_get_by_index+0x5e/0x80 [ 6382.409727][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6382.409727][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6382.409727][ T7704] ip6_route_add+0x1c/0x140 [ 6382.409727][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6382.409727][ T7704] addrconf_add_dev+0xe2/0x170 [ 6382.409727][ T7704] inet6_addr_add+0x12f/0xa40 [ 6382.409727][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6382.409727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6382.409727][ T7704] netlink_rcv_skb+0x130/0x360 [ 6382.409727][ T7704] netlink_unicast+0x449/0x710 [ 6382.409727][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6382.409727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6382.409727][ T7704] ___sys_sendmsg+0xee/0x170 [ 6382.409727][ T7704] __sys_sendmsg+0xcd/0x170 [ 6382.409727][ T7704] do_syscall_64+0xc6/0x1e0 [ 6382.409727][ T7704] [ 6382.412381][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6382.412381][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6382.412381][ T7704] ipv6_find_idev+0x102/0x170 [ 6382.412381][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6382.412381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6382.412381][ T7704] netlink_rcv_skb+0x130/0x360 [ 6382.412381][ T7704] netlink_unicast+0x449/0x710 [ 6382.412381][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6382.412381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6382.412381][ T7704] ___sys_sendmsg+0xee/0x170 [ 6382.412381][ T7704] __sys_sendmsg+0xcd/0x170 [ 6382.412381][ T7704] do_syscall_64+0xc6/0x1e0 [ 6382.412381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6382.412381][ T7704] [ 6382.414507][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6382.414507][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6382.414507][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6382.414507][ T7704] ipv6_find_idev+0x102/0x170 [ 6382.414507][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6382.414507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6382.414507][ T7704] netlink_rcv_skb+0x130/0x360 [ 6382.414507][ T7704] netlink_unicast+0x449/0x710 [ 6382.414507][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6382.414507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6382.414507][ T7704] ___sys_sendmsg+0xee/0x170 [ 6382.414507][ T7704] __sys_sendmsg+0xcd/0x170 [ 6382.414507][ T7704] do_syscall_64+0xc6/0x1e0 [ 6382.414507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6382.414507][ T7704] [ 6392.668806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6392.669300][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6392.669300][ T7704] netdev_get_by_index+0x5e/0x80 [ 6392.669300][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6392.669300][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6392.669300][ T7704] ip6_route_add+0x1c/0x140 [ 6392.669300][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6392.669300][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6392.669300][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6392.669300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6392.669300][ T7704] netlink_rcv_skb+0x130/0x360 [ 6392.669300][ T7704] netlink_unicast+0x449/0x710 [ 6392.669300][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6392.669300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6392.669300][ T7704] ___sys_sendmsg+0xee/0x170 [ 6392.669300][ T7704] __sys_sendmsg+0xcd/0x170 [ 6392.669300][ T7704] do_syscall_64+0xc6/0x1e0 [ 6392.669300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6392.669300][ T7704] [ 6392.671538][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6392.671538][ T7704] netdev_get_by_index+0x5e/0x80 [ 6392.671538][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6392.671538][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6392.671538][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6392.671538][ T7704] ipv6_add_addr+0x411/0x2000 [ 6392.671538][ T7704] inet6_addr_add+0x30e/0xa40 [ 6392.671538][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6392.671538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6392.671538][ T7704] netlink_rcv_skb+0x130/0x360 [ 6392.671538][ T7704] netlink_unicast+0x449/0x710 [ 6392.671538][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6392.671538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6392.671538][ T7704] ___sys_sendmsg+0xee/0x170 [ 6392.671538][ T7704] __sys_sendmsg+0xcd/0x170 [ 6392.671538][ T7704] do_syscall_64+0xc6/0x1e0 [ 6392.671538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6392.671538][ T7704] [ 6392.673744][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6392.673744][ T7704] netdev_get_by_index+0x5e/0x80 [ 6392.673744][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6392.673744][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6392.673744][ T7704] ip6_route_add+0x1c/0x140 [ 6392.673744][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6392.673744][ T7704] addrconf_add_dev+0xe2/0x170 [ 6392.673744][ T7704] inet6_addr_add+0x12f/0xa40 [ 6392.673744][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6392.673744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6392.673744][ T7704] netlink_rcv_skb+0x130/0x360 [ 6392.673744][ T7704] netlink_unicast+0x449/0x710 [ 6392.673744][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6392.673744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6392.673744][ T7704] ___sys_sendmsg+0xee/0x170 [ 6392.673744][ T7704] __sys_sendmsg+0xcd/0x170 [ 6392.673744][ T7704] do_syscall_64+0xc6/0x1e0 [ 6392.673744][ T7704] [ 6392.675924][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6392.675924][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6392.675924][ T7704] ipv6_find_idev+0x102/0x170 [ 6392.675924][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6392.675924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6392.675924][ T7704] netlink_rcv_skb+0x130/0x360 [ 6392.675924][ T7704] netlink_unicast+0x449/0x710 [ 6392.675924][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6392.675924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6392.675924][ T7704] ___sys_sendmsg+0xee/0x170 [ 6392.675924][ T7704] __sys_sendmsg+0xcd/0x170 [ 6392.675924][ T7704] do_syscall_64+0xc6/0x1e0 [ 6392.675924][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6392.675924][ T7704] [ 6392.677650][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6392.677650][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6392.677650][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6392.677650][ T7704] ipv6_find_idev+0x102/0x170 [ 6392.677650][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6392.677650][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6392.677650][ T7704] netlink_rcv_skb+0x130/0x360 [ 6392.677650][ T7704] netlink_unicast+0x449/0x710 [ 6392.677650][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6392.677650][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6392.677650][ T7704] ___sys_sendmsg+0xee/0x170 [ 6392.677650][ T7704] __sys_sendmsg+0xcd/0x170 [ 6392.677650][ T7704] do_syscall_64+0xc6/0x1e0 [ 6392.677650][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6392.677650][ T7704] [ 6402.748828][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6402.749307][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6402.749307][ T7704] netdev_get_by_index+0x5e/0x80 [ 6402.749307][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6402.749307][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6402.749307][ T7704] ip6_route_add+0x1c/0x140 [ 6402.749307][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6402.749307][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6402.749307][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6402.749307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6402.749307][ T7704] netlink_rcv_skb+0x130/0x360 [ 6402.749307][ T7704] netlink_unicast+0x449/0x710 [ 6402.749307][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6402.749307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6402.749307][ T7704] ___sys_sendmsg+0xee/0x170 [ 6402.749307][ T7704] __sys_sendmsg+0xcd/0x170 [ 6402.749307][ T7704] do_syscall_64+0xc6/0x1e0 [ 6402.749307][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6402.749307][ T7704] [ 6402.751548][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6402.751548][ T7704] netdev_get_by_index+0x5e/0x80 [ 6402.751548][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6402.751548][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6402.751548][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6402.751548][ T7704] ipv6_add_addr+0x411/0x2000 [ 6402.751548][ T7704] inet6_addr_add+0x30e/0xa40 [ 6402.751548][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6402.751548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6402.751548][ T7704] netlink_rcv_skb+0x130/0x360 [ 6402.751548][ T7704] netlink_unicast+0x449/0x710 [ 6402.751548][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6402.751548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6402.751548][ T7704] ___sys_sendmsg+0xee/0x170 [ 6402.751548][ T7704] __sys_sendmsg+0xcd/0x170 [ 6402.751548][ T7704] do_syscall_64+0xc6/0x1e0 [ 6402.751548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6402.751548][ T7704] [ 6402.753752][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6402.753752][ T7704] netdev_get_by_index+0x5e/0x80 [ 6402.753752][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6402.753752][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6402.753752][ T7704] ip6_route_add+0x1c/0x140 [ 6402.753752][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6402.753752][ T7704] addrconf_add_dev+0xe2/0x170 [ 6402.753752][ T7704] inet6_addr_add+0x12f/0xa40 [ 6402.753752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6402.753752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6402.753752][ T7704] netlink_rcv_skb+0x130/0x360 [ 6402.753752][ T7704] netlink_unicast+0x449/0x710 [ 6402.753752][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6402.753752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6402.753752][ T7704] ___sys_sendmsg+0xee/0x170 [ 6402.753752][ T7704] __sys_sendmsg+0xcd/0x170 [ 6402.753752][ T7704] do_syscall_64+0xc6/0x1e0 [ 6402.753752][ T7704] [ 6402.755925][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6402.755925][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6402.755925][ T7704] ipv6_find_idev+0x102/0x170 [ 6402.755925][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6402.755925][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6402.755925][ T7704] netlink_rcv_skb+0x130/0x360 [ 6402.755925][ T7704] netlink_unicast+0x449/0x710 [ 6402.755925][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6402.755925][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6402.755925][ T7704] ___sys_sendmsg+0xee/0x170 [ 6402.755925][ T7704] __sys_sendmsg+0xcd/0x170 [ 6402.755925][ T7704] do_syscall_64+0xc6/0x1e0 [ 6402.755925][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6402.755925][ T7704] [ 6402.757621][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6402.757621][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6402.757621][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6402.757621][ T7704] ipv6_find_idev+0x102/0x170 [ 6402.757621][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6402.757621][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6402.757621][ T7704] netlink_rcv_skb+0x130/0x360 [ 6402.757621][ T7704] netlink_unicast+0x449/0x710 [ 6402.757621][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6402.757621][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6402.757621][ T7704] ___sys_sendmsg+0xee/0x170 [ 6402.757621][ T7704] __sys_sendmsg+0xcd/0x170 [ 6402.757621][ T7704] do_syscall_64+0xc6/0x1e0 [ 6402.757621][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6402.757621][ T7704] [ 6412.996846][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6412.997312][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6412.997312][ T7704] netdev_get_by_index+0x5e/0x80 [ 6412.997312][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6412.997312][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6412.997312][ T7704] ip6_route_add+0x1c/0x140 [ 6412.997312][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6412.997312][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6412.997312][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6412.997312][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6412.997312][ T7704] netlink_rcv_skb+0x130/0x360 [ 6412.997312][ T7704] netlink_unicast+0x449/0x710 [ 6412.997312][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6412.997312][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6412.997312][ T7704] ___sys_sendmsg+0xee/0x170 [ 6412.997312][ T7704] __sys_sendmsg+0xcd/0x170 [ 6412.997312][ T7704] do_syscall_64+0xc6/0x1e0 [ 6412.997312][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6412.997312][ T7704] [ 6412.999496][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6412.999496][ T7704] netdev_get_by_index+0x5e/0x80 [ 6412.999496][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6412.999496][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6412.999496][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6412.999496][ T7704] ipv6_add_addr+0x411/0x2000 [ 6412.999496][ T7704] inet6_addr_add+0x30e/0xa40 [ 6412.999496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6412.999496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6412.999496][ T7704] netlink_rcv_skb+0x130/0x360 [ 6412.999496][ T7704] netlink_unicast+0x449/0x710 [ 6412.999496][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6412.999496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6412.999496][ T7704] ___sys_sendmsg+0xee/0x170 [ 6412.999496][ T7704] __sys_sendmsg+0xcd/0x170 [ 6412.999496][ T7704] do_syscall_64+0xc6/0x1e0 [ 6412.999496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6412.999496][ T7704] [ 6413.001712][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6413.001712][ T7704] netdev_get_by_index+0x5e/0x80 [ 6413.001712][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6413.001712][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6413.001712][ T7704] ip6_route_add+0x1c/0x140 [ 6413.001712][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6413.001712][ T7704] addrconf_add_dev+0xe2/0x170 [ 6413.001712][ T7704] inet6_addr_add+0x12f/0xa40 [ 6413.001712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6413.001712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6413.001712][ T7704] netlink_rcv_skb+0x130/0x360 [ 6413.001712][ T7704] netlink_unicast+0x449/0x710 [ 6413.001712][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6413.001712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6413.001712][ T7704] ___sys_sendmsg+0xee/0x170 [ 6413.001712][ T7704] __sys_sendmsg+0xcd/0x170 [ 6413.001712][ T7704] do_syscall_64+0xc6/0x1e0 [ 6413.001712][ T7704] [ 6413.003865][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6413.003865][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6413.003865][ T7704] ipv6_find_idev+0x102/0x170 [ 6413.003865][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6413.003865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6413.003865][ T7704] netlink_rcv_skb+0x130/0x360 [ 6413.003865][ T7704] netlink_unicast+0x449/0x710 [ 6413.003865][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6413.003865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6413.003865][ T7704] ___sys_sendmsg+0xee/0x170 [ 6413.003865][ T7704] __sys_sendmsg+0xcd/0x170 [ 6413.003865][ T7704] do_syscall_64+0xc6/0x1e0 [ 6413.003865][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6413.003865][ T7704] [ 6413.005516][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6413.005516][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6413.005516][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6413.005516][ T7704] ipv6_find_idev+0x102/0x170 [ 6413.005516][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6413.005516][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6413.005516][ T7704] netlink_rcv_skb+0x130/0x360 [ 6413.005516][ T7704] netlink_unicast+0x449/0x710 [ 6413.005516][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6413.005516][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6413.005516][ T7704] ___sys_sendmsg+0xee/0x170 [ 6413.005516][ T7704] __sys_sendmsg+0xcd/0x170 [ 6413.005516][ T7704] do_syscall_64+0xc6/0x1e0 [ 6413.005516][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6413.005516][ T7704] [ 6423.244836][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6423.245297][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6423.245297][ T7704] netdev_get_by_index+0x5e/0x80 [ 6423.245297][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6423.245297][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6423.245297][ T7704] ip6_route_add+0x1c/0x140 [ 6423.245297][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6423.245297][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6423.245297][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6423.245297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6423.245297][ T7704] netlink_rcv_skb+0x130/0x360 [ 6423.245297][ T7704] netlink_unicast+0x449/0x710 [ 6423.245297][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6423.245297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6423.245297][ T7704] ___sys_sendmsg+0xee/0x170 [ 6423.245297][ T7704] __sys_sendmsg+0xcd/0x170 [ 6423.245297][ T7704] do_syscall_64+0xc6/0x1e0 [ 6423.245297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6423.245297][ T7704] [ 6423.247507][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6423.247507][ T7704] netdev_get_by_index+0x5e/0x80 [ 6423.247507][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6423.247507][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6423.247507][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6423.247507][ T7704] ipv6_add_addr+0x411/0x2000 [ 6423.247507][ T7704] inet6_addr_add+0x30e/0xa40 [ 6423.247507][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6423.247507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6423.247507][ T7704] netlink_rcv_skb+0x130/0x360 [ 6423.247507][ T7704] netlink_unicast+0x449/0x710 [ 6423.247507][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6423.247507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6423.247507][ T7704] ___sys_sendmsg+0xee/0x170 [ 6423.247507][ T7704] __sys_sendmsg+0xcd/0x170 [ 6423.247507][ T7704] do_syscall_64+0xc6/0x1e0 [ 6423.247507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6423.247507][ T7704] [ 6423.249652][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6423.249652][ T7704] netdev_get_by_index+0x5e/0x80 [ 6423.249652][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6423.249652][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6423.249652][ T7704] ip6_route_add+0x1c/0x140 [ 6423.249652][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6423.249652][ T7704] addrconf_add_dev+0xe2/0x170 [ 6423.249652][ T7704] inet6_addr_add+0x12f/0xa40 [ 6423.249652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6423.249652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6423.249652][ T7704] netlink_rcv_skb+0x130/0x360 [ 6423.249652][ T7704] netlink_unicast+0x449/0x710 [ 6423.249652][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6423.249652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6423.249652][ T7704] ___sys_sendmsg+0xee/0x170 [ 6423.249652][ T7704] __sys_sendmsg+0xcd/0x170 [ 6423.249652][ T7704] do_syscall_64+0xc6/0x1e0 [ 6423.249652][ T7704] [ 6423.251829][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6423.251829][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6423.251829][ T7704] ipv6_find_idev+0x102/0x170 [ 6423.251829][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6423.251829][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6423.251829][ T7704] netlink_rcv_skb+0x130/0x360 [ 6423.251829][ T7704] netlink_unicast+0x449/0x710 [ 6423.251829][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6423.251829][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6423.251829][ T7704] ___sys_sendmsg+0xee/0x170 [ 6423.251829][ T7704] __sys_sendmsg+0xcd/0x170 [ 6423.251829][ T7704] do_syscall_64+0xc6/0x1e0 [ 6423.251829][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6423.251829][ T7704] [ 6423.253951][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6423.253951][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6423.253951][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6423.253951][ T7704] ipv6_find_idev+0x102/0x170 [ 6423.253951][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6423.253951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6423.253951][ T7704] netlink_rcv_skb+0x130/0x360 [ 6423.253951][ T7704] netlink_unicast+0x449/0x710 [ 6423.253951][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6423.253951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6423.253951][ T7704] ___sys_sendmsg+0xee/0x170 [ 6423.253951][ T7704] __sys_sendmsg+0xcd/0x170 [ 6423.253951][ T7704] do_syscall_64+0xc6/0x1e0 [ 6423.253951][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6423.253951][ T7704] [ 6433.492802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6433.493270][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6433.493270][ T7704] netdev_get_by_index+0x5e/0x80 [ 6433.493270][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6433.493270][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6433.493270][ T7704] ip6_route_add+0x1c/0x140 [ 6433.493270][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6433.493270][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6433.493270][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6433.493270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6433.493270][ T7704] netlink_rcv_skb+0x130/0x360 [ 6433.493270][ T7704] netlink_unicast+0x449/0x710 [ 6433.493270][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6433.493270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6433.493270][ T7704] ___sys_sendmsg+0xee/0x170 [ 6433.493270][ T7704] __sys_sendmsg+0xcd/0x170 [ 6433.493270][ T7704] do_syscall_64+0xc6/0x1e0 [ 6433.493270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6433.493270][ T7704] [ 6433.495468][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6433.495468][ T7704] netdev_get_by_index+0x5e/0x80 [ 6433.495468][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6433.495468][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6433.495468][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6433.495468][ T7704] ipv6_add_addr+0x411/0x2000 [ 6433.495468][ T7704] inet6_addr_add+0x30e/0xa40 [ 6433.495468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6433.495468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6433.495468][ T7704] netlink_rcv_skb+0x130/0x360 [ 6433.495468][ T7704] netlink_unicast+0x449/0x710 [ 6433.495468][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6433.495468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6433.495468][ T7704] ___sys_sendmsg+0xee/0x170 [ 6433.495468][ T7704] __sys_sendmsg+0xcd/0x170 [ 6433.495468][ T7704] do_syscall_64+0xc6/0x1e0 [ 6433.495468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6433.495468][ T7704] [ 6433.497707][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6433.497707][ T7704] netdev_get_by_index+0x5e/0x80 [ 6433.497707][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6433.497707][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6433.497707][ T7704] ip6_route_add+0x1c/0x140 [ 6433.497707][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6433.497707][ T7704] addrconf_add_dev+0xe2/0x170 [ 6433.497707][ T7704] inet6_addr_add+0x12f/0xa40 [ 6433.497707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6433.497707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6433.497707][ T7704] netlink_rcv_skb+0x130/0x360 [ 6433.497707][ T7704] netlink_unicast+0x449/0x710 [ 6433.497707][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6433.497707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6433.497707][ T7704] ___sys_sendmsg+0xee/0x170 [ 6433.497707][ T7704] __sys_sendmsg+0xcd/0x170 [ 6433.497707][ T7704] do_syscall_64+0xc6/0x1e0 [ 6433.497707][ T7704] [ 6433.499895][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6433.499895][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6433.499895][ T7704] ipv6_find_idev+0x102/0x170 [ 6433.499895][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6433.499895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6433.499895][ T7704] netlink_rcv_skb+0x130/0x360 [ 6433.499895][ T7704] netlink_unicast+0x449/0x710 [ 6433.499895][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6433.499895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6433.499895][ T7704] ___sys_sendmsg+0xee/0x170 [ 6433.499895][ T7704] __sys_sendmsg+0xcd/0x170 [ 6433.499895][ T7704] do_syscall_64+0xc6/0x1e0 [ 6433.499895][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6433.499895][ T7704] [ 6433.501607][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6433.501607][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6433.501607][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6433.501607][ T7704] ipv6_find_idev+0x102/0x170 [ 6433.501607][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6433.501607][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6433.501607][ T7704] netlink_rcv_skb+0x130/0x360 [ 6433.501607][ T7704] netlink_unicast+0x449/0x710 [ 6433.501607][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6433.501607][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6433.501607][ T7704] ___sys_sendmsg+0xee/0x170 [ 6433.501607][ T7704] __sys_sendmsg+0xcd/0x170 [ 6433.501607][ T7704] do_syscall_64+0xc6/0x1e0 [ 6433.501607][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6433.501607][ T7704] [ 6443.612818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6443.613283][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6443.613283][ T7704] netdev_get_by_index+0x5e/0x80 [ 6443.613283][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6443.613283][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6443.613283][ T7704] ip6_route_add+0x1c/0x140 [ 6443.613283][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6443.613283][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6443.613283][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6443.613283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6443.613283][ T7704] netlink_rcv_skb+0x130/0x360 [ 6443.613283][ T7704] netlink_unicast+0x449/0x710 [ 6443.613283][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6443.613283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6443.613283][ T7704] ___sys_sendmsg+0xee/0x170 [ 6443.613283][ T7704] __sys_sendmsg+0xcd/0x170 [ 6443.613283][ T7704] do_syscall_64+0xc6/0x1e0 [ 6443.613283][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6443.613283][ T7704] [ 6443.615842][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6443.615842][ T7704] netdev_get_by_index+0x5e/0x80 [ 6443.615842][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6443.615842][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6443.615842][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6443.615842][ T7704] ipv6_add_addr+0x411/0x2000 [ 6443.615842][ T7704] inet6_addr_add+0x30e/0xa40 [ 6443.615842][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6443.615842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6443.615842][ T7704] netlink_rcv_skb+0x130/0x360 [ 6443.615842][ T7704] netlink_unicast+0x449/0x710 [ 6443.615842][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6443.615842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6443.615842][ T7704] ___sys_sendmsg+0xee/0x170 [ 6443.615842][ T7704] __sys_sendmsg+0xcd/0x170 [ 6443.615842][ T7704] do_syscall_64+0xc6/0x1e0 [ 6443.615842][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6443.615842][ T7704] [ 6443.618551][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6443.618551][ T7704] netdev_get_by_index+0x5e/0x80 [ 6443.618551][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6443.618551][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6443.618551][ T7704] ip6_route_add+0x1c/0x140 [ 6443.618551][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6443.618551][ T7704] addrconf_add_dev+0xe2/0x170 [ 6443.618551][ T7704] inet6_addr_add+0x12f/0xa40 [ 6443.618551][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6443.618551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6443.618551][ T7704] netlink_rcv_skb+0x130/0x360 [ 6443.618551][ T7704] netlink_unicast+0x449/0x710 [ 6443.618551][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6443.618551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6443.618551][ T7704] ___sys_sendmsg+0xee/0x170 [ 6443.618551][ T7704] __sys_sendmsg+0xcd/0x170 [ 6443.618551][ T7704] do_syscall_64+0xc6/0x1e0 [ 6443.618551][ T7704] [ 6443.621253][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6443.621253][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6443.621253][ T7704] ipv6_find_idev+0x102/0x170 [ 6443.621253][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6443.621253][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6443.621253][ T7704] netlink_rcv_skb+0x130/0x360 [ 6443.621253][ T7704] netlink_unicast+0x449/0x710 [ 6443.621253][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6443.621253][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6443.621253][ T7704] ___sys_sendmsg+0xee/0x170 [ 6443.621253][ T7704] __sys_sendmsg+0xcd/0x170 [ 6443.621253][ T7704] do_syscall_64+0xc6/0x1e0 [ 6443.621253][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6443.621253][ T7704] [ 6443.623379][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6443.623379][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6443.623379][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6443.623379][ T7704] ipv6_find_idev+0x102/0x170 [ 6443.623379][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6443.623379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6443.623379][ T7704] netlink_rcv_skb+0x130/0x360 [ 6443.623379][ T7704] netlink_unicast+0x449/0x710 [ 6443.623379][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6443.623379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6443.623379][ T7704] ___sys_sendmsg+0xee/0x170 [ 6443.623379][ T7704] __sys_sendmsg+0xcd/0x170 [ 6443.623379][ T7704] do_syscall_64+0xc6/0x1e0 [ 6443.623379][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6443.623379][ T7704] [ 6453.876803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6453.877291][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6453.877291][ T7704] netdev_get_by_index+0x5e/0x80 [ 6453.877291][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6453.877291][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6453.877291][ T7704] ip6_route_add+0x1c/0x140 [ 6453.877291][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6453.877291][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6453.877291][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6453.877291][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6453.877291][ T7704] netlink_rcv_skb+0x130/0x360 [ 6453.877291][ T7704] netlink_unicast+0x449/0x710 [ 6453.877291][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6453.877291][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6453.877291][ T7704] ___sys_sendmsg+0xee/0x170 [ 6453.877291][ T7704] __sys_sendmsg+0xcd/0x170 [ 6453.877291][ T7704] do_syscall_64+0xc6/0x1e0 [ 6453.877291][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6453.877291][ T7704] [ 6453.879481][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6453.879481][ T7704] netdev_get_by_index+0x5e/0x80 [ 6453.879481][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6453.879481][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6453.879481][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6453.879481][ T7704] ipv6_add_addr+0x411/0x2000 [ 6453.879481][ T7704] inet6_addr_add+0x30e/0xa40 [ 6453.879481][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6453.879481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6453.879481][ T7704] netlink_rcv_skb+0x130/0x360 [ 6453.879481][ T7704] netlink_unicast+0x449/0x710 [ 6453.879481][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6453.879481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6453.879481][ T7704] ___sys_sendmsg+0xee/0x170 [ 6453.879481][ T7704] __sys_sendmsg+0xcd/0x170 [ 6453.879481][ T7704] do_syscall_64+0xc6/0x1e0 [ 6453.879481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6453.879481][ T7704] [ 6453.881695][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6453.881695][ T7704] netdev_get_by_index+0x5e/0x80 [ 6453.881695][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6453.881695][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6453.881695][ T7704] ip6_route_add+0x1c/0x140 [ 6453.881695][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6453.881695][ T7704] addrconf_add_dev+0xe2/0x170 [ 6453.881695][ T7704] inet6_addr_add+0x12f/0xa40 [ 6453.881695][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6453.881695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6453.881695][ T7704] netlink_rcv_skb+0x130/0x360 [ 6453.881695][ T7704] netlink_unicast+0x449/0x710 [ 6453.881695][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6453.881695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6453.881695][ T7704] ___sys_sendmsg+0xee/0x170 [ 6453.881695][ T7704] __sys_sendmsg+0xcd/0x170 [ 6453.881695][ T7704] do_syscall_64+0xc6/0x1e0 [ 6453.881695][ T7704] [ 6453.883845][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6453.883845][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6453.883845][ T7704] ipv6_find_idev+0x102/0x170 [ 6453.883845][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6453.883845][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6453.883845][ T7704] netlink_rcv_skb+0x130/0x360 [ 6453.883845][ T7704] netlink_unicast+0x449/0x710 [ 6453.883845][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6453.883845][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6453.883845][ T7704] ___sys_sendmsg+0xee/0x170 [ 6453.883845][ T7704] __sys_sendmsg+0xcd/0x170 [ 6453.883845][ T7704] do_syscall_64+0xc6/0x1e0 [ 6453.883845][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6453.883845][ T7704] [ 6453.885511][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6453.885511][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6453.885511][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6453.885511][ T7704] ipv6_find_idev+0x102/0x170 [ 6453.885511][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6453.885511][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6453.885511][ T7704] netlink_rcv_skb+0x130/0x360 [ 6453.885511][ T7704] netlink_unicast+0x449/0x710 [ 6453.885511][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6453.885511][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6453.885511][ T7704] ___sys_sendmsg+0xee/0x170 [ 6453.885511][ T7704] __sys_sendmsg+0xcd/0x170 [ 6453.885511][ T7704] do_syscall_64+0xc6/0x1e0 [ 6453.885511][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6453.885511][ T7704] [ 6464.132797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6464.133276][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6464.133276][ T7704] netdev_get_by_index+0x5e/0x80 [ 6464.133276][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6464.133276][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6464.133276][ T7704] ip6_route_add+0x1c/0x140 [ 6464.133276][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6464.133276][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6464.133276][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6464.133276][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6464.133276][ T7704] netlink_rcv_skb+0x130/0x360 [ 6464.133276][ T7704] netlink_unicast+0x449/0x710 [ 6464.133276][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6464.133276][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6464.133276][ T7704] ___sys_sendmsg+0xee/0x170 [ 6464.133276][ T7704] __sys_sendmsg+0xcd/0x170 [ 6464.133276][ T7704] do_syscall_64+0xc6/0x1e0 [ 6464.133276][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6464.133276][ T7704] [ 6464.135647][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6464.135647][ T7704] netdev_get_by_index+0x5e/0x80 [ 6464.135647][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6464.135647][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6464.135647][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6464.135647][ T7704] ipv6_add_addr+0x411/0x2000 [ 6464.135647][ T7704] inet6_addr_add+0x30e/0xa40 [ 6464.135647][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6464.135647][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6464.135647][ T7704] netlink_rcv_skb+0x130/0x360 [ 6464.135647][ T7704] netlink_unicast+0x449/0x710 [ 6464.135647][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6464.135647][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6464.135647][ T7704] ___sys_sendmsg+0xee/0x170 [ 6464.135647][ T7704] __sys_sendmsg+0xcd/0x170 [ 6464.135647][ T7704] do_syscall_64+0xc6/0x1e0 [ 6464.135647][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6464.135647][ T7704] [ 6464.137861][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6464.137861][ T7704] netdev_get_by_index+0x5e/0x80 [ 6464.137861][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6464.137861][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6464.137861][ T7704] ip6_route_add+0x1c/0x140 [ 6464.137861][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6464.137861][ T7704] addrconf_add_dev+0xe2/0x170 [ 6464.137861][ T7704] inet6_addr_add+0x12f/0xa40 [ 6464.137861][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6464.137861][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6464.137861][ T7704] netlink_rcv_skb+0x130/0x360 [ 6464.137861][ T7704] netlink_unicast+0x449/0x710 [ 6464.137861][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6464.137861][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6464.137861][ T7704] ___sys_sendmsg+0xee/0x170 [ 6464.137861][ T7704] __sys_sendmsg+0xcd/0x170 [ 6464.137861][ T7704] do_syscall_64+0xc6/0x1e0 [ 6464.137861][ T7704] [ 6464.140041][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6464.140041][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6464.140041][ T7704] ipv6_find_idev+0x102/0x170 [ 6464.140041][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6464.140041][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6464.140041][ T7704] netlink_rcv_skb+0x130/0x360 [ 6464.140041][ T7704] netlink_unicast+0x449/0x710 [ 6464.140041][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6464.140041][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6464.140041][ T7704] ___sys_sendmsg+0xee/0x170 [ 6464.140041][ T7704] __sys_sendmsg+0xcd/0x170 [ 6464.140041][ T7704] do_syscall_64+0xc6/0x1e0 [ 6464.140041][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6464.140041][ T7704] [ 6464.141743][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6464.141743][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6464.141743][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6464.141743][ T7704] ipv6_find_idev+0x102/0x170 [ 6464.141743][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6464.141743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6464.141743][ T7704] netlink_rcv_skb+0x130/0x360 [ 6464.141743][ T7704] netlink_unicast+0x449/0x710 [ 6464.141743][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6464.141743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6464.141743][ T7704] ___sys_sendmsg+0xee/0x170 [ 6464.141743][ T7704] __sys_sendmsg+0xcd/0x170 [ 6464.141743][ T7704] do_syscall_64+0xc6/0x1e0 [ 6464.141743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6464.141743][ T7704] [ 6474.396801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6474.397279][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6474.397279][ T7704] netdev_get_by_index+0x5e/0x80 [ 6474.397279][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6474.397279][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6474.397279][ T7704] ip6_route_add+0x1c/0x140 [ 6474.397279][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6474.397279][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6474.397279][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6474.397279][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6474.397279][ T7704] netlink_rcv_skb+0x130/0x360 [ 6474.397279][ T7704] netlink_unicast+0x449/0x710 [ 6474.397279][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6474.397279][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6474.397279][ T7704] ___sys_sendmsg+0xee/0x170 [ 6474.397279][ T7704] __sys_sendmsg+0xcd/0x170 [ 6474.397279][ T7704] do_syscall_64+0xc6/0x1e0 [ 6474.397279][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6474.397279][ T7704] [ 6474.399504][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6474.399504][ T7704] netdev_get_by_index+0x5e/0x80 [ 6474.399504][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6474.399504][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6474.399504][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6474.399504][ T7704] ipv6_add_addr+0x411/0x2000 [ 6474.399504][ T7704] inet6_addr_add+0x30e/0xa40 [ 6474.399504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6474.399504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6474.399504][ T7704] netlink_rcv_skb+0x130/0x360 [ 6474.399504][ T7704] netlink_unicast+0x449/0x710 [ 6474.399504][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6474.399504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6474.399504][ T7704] ___sys_sendmsg+0xee/0x170 [ 6474.399504][ T7704] __sys_sendmsg+0xcd/0x170 [ 6474.399504][ T7704] do_syscall_64+0xc6/0x1e0 [ 6474.399504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6474.399504][ T7704] [ 6474.401719][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6474.401719][ T7704] netdev_get_by_index+0x5e/0x80 [ 6474.401719][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6474.401719][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6474.401719][ T7704] ip6_route_add+0x1c/0x140 [ 6474.401719][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6474.401719][ T7704] addrconf_add_dev+0xe2/0x170 [ 6474.401719][ T7704] inet6_addr_add+0x12f/0xa40 [ 6474.401719][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6474.401719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6474.401719][ T7704] netlink_rcv_skb+0x130/0x360 [ 6474.401719][ T7704] netlink_unicast+0x449/0x710 [ 6474.401719][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6474.401719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6474.401719][ T7704] ___sys_sendmsg+0xee/0x170 [ 6474.401719][ T7704] __sys_sendmsg+0xcd/0x170 [ 6474.401719][ T7704] do_syscall_64+0xc6/0x1e0 [ 6474.401719][ T7704] [ 6474.403898][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6474.403898][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6474.403898][ T7704] ipv6_find_idev+0x102/0x170 [ 6474.403898][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6474.403898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6474.403898][ T7704] netlink_rcv_skb+0x130/0x360 [ 6474.403898][ T7704] netlink_unicast+0x449/0x710 [ 6474.403898][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6474.403898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6474.403898][ T7704] ___sys_sendmsg+0xee/0x170 [ 6474.403898][ T7704] __sys_sendmsg+0xcd/0x170 [ 6474.403898][ T7704] do_syscall_64+0xc6/0x1e0 [ 6474.403898][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6474.403898][ T7704] [ 6474.405603][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6474.405603][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6474.405603][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6474.405603][ T7704] ipv6_find_idev+0x102/0x170 [ 6474.405603][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6474.405603][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6474.405603][ T7704] netlink_rcv_skb+0x130/0x360 [ 6474.405603][ T7704] netlink_unicast+0x449/0x710 [ 6474.405603][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6474.405603][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6474.405603][ T7704] ___sys_sendmsg+0xee/0x170 [ 6474.405603][ T7704] __sys_sendmsg+0xcd/0x170 [ 6474.405603][ T7704] do_syscall_64+0xc6/0x1e0 [ 6474.405603][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6474.405603][ T7704] [ 6484.572755][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6484.573230][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6484.573230][ T7704] netdev_get_by_index+0x5e/0x80 [ 6484.573230][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6484.573230][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6484.573230][ T7704] ip6_route_add+0x1c/0x140 [ 6484.573230][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6484.573230][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6484.573230][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6484.573230][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6484.573230][ T7704] netlink_rcv_skb+0x130/0x360 [ 6484.573230][ T7704] netlink_unicast+0x449/0x710 [ 6484.573230][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6484.573230][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6484.573230][ T7704] ___sys_sendmsg+0xee/0x170 [ 6484.573230][ T7704] __sys_sendmsg+0xcd/0x170 [ 6484.573230][ T7704] do_syscall_64+0xc6/0x1e0 [ 6484.573230][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6484.573230][ T7704] [ 6484.575445][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6484.575445][ T7704] netdev_get_by_index+0x5e/0x80 [ 6484.575445][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6484.575445][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6484.575445][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6484.575445][ T7704] ipv6_add_addr+0x411/0x2000 [ 6484.575445][ T7704] inet6_addr_add+0x30e/0xa40 [ 6484.575445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6484.575445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6484.575445][ T7704] netlink_rcv_skb+0x130/0x360 [ 6484.575445][ T7704] netlink_unicast+0x449/0x710 [ 6484.575445][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6484.575445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6484.575445][ T7704] ___sys_sendmsg+0xee/0x170 [ 6484.575445][ T7704] __sys_sendmsg+0xcd/0x170 [ 6484.575445][ T7704] do_syscall_64+0xc6/0x1e0 [ 6484.575445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6484.575445][ T7704] [ 6484.577645][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6484.577645][ T7704] netdev_get_by_index+0x5e/0x80 [ 6484.577645][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6484.577645][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6484.577645][ T7704] ip6_route_add+0x1c/0x140 [ 6484.577645][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6484.577645][ T7704] addrconf_add_dev+0xe2/0x170 [ 6484.577645][ T7704] inet6_addr_add+0x12f/0xa40 [ 6484.577645][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6484.577645][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6484.577645][ T7704] netlink_rcv_skb+0x130/0x360 [ 6484.577645][ T7704] netlink_unicast+0x449/0x710 [ 6484.577645][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6484.577645][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6484.577645][ T7704] ___sys_sendmsg+0xee/0x170 [ 6484.577645][ T7704] __sys_sendmsg+0xcd/0x170 [ 6484.577645][ T7704] do_syscall_64+0xc6/0x1e0 [ 6484.577645][ T7704] [ 6484.579810][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6484.579810][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6484.579810][ T7704] ipv6_find_idev+0x102/0x170 [ 6484.579810][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6484.579810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6484.579810][ T7704] netlink_rcv_skb+0x130/0x360 [ 6484.579810][ T7704] netlink_unicast+0x449/0x710 [ 6484.579810][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6484.579810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6484.579810][ T7704] ___sys_sendmsg+0xee/0x170 [ 6484.579810][ T7704] __sys_sendmsg+0xcd/0x170 [ 6484.579810][ T7704] do_syscall_64+0xc6/0x1e0 [ 6484.579810][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6484.579810][ T7704] [ 6484.581506][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6484.581506][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6484.581506][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6484.581506][ T7704] ipv6_find_idev+0x102/0x170 [ 6484.581506][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6484.581506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6484.581506][ T7704] netlink_rcv_skb+0x130/0x360 [ 6484.581506][ T7704] netlink_unicast+0x449/0x710 [ 6484.581506][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6484.581506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6484.581506][ T7704] ___sys_sendmsg+0xee/0x170 [ 6484.581506][ T7704] __sys_sendmsg+0xcd/0x170 [ 6484.581506][ T7704] do_syscall_64+0xc6/0x1e0 [ 6484.581506][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6484.581506][ T7704] [ 6494.820806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6494.821316][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6494.821316][ T7704] netdev_get_by_index+0x5e/0x80 [ 6494.821316][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6494.821316][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6494.821316][ T7704] ip6_route_add+0x1c/0x140 [ 6494.821316][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6494.821316][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6494.821316][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6494.821316][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6494.821316][ T7704] netlink_rcv_skb+0x130/0x360 [ 6494.821316][ T7704] netlink_unicast+0x449/0x710 [ 6494.821316][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6494.821316][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6494.821316][ T7704] ___sys_sendmsg+0xee/0x170 [ 6494.821316][ T7704] __sys_sendmsg+0xcd/0x170 [ 6494.821316][ T7704] do_syscall_64+0xc6/0x1e0 [ 6494.821316][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6494.821316][ T7704] [ 6494.823550][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6494.823550][ T7704] netdev_get_by_index+0x5e/0x80 [ 6494.823550][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6494.823550][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6494.823550][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6494.823550][ T7704] ipv6_add_addr+0x411/0x2000 [ 6494.823550][ T7704] inet6_addr_add+0x30e/0xa40 [ 6494.823550][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6494.823550][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6494.823550][ T7704] netlink_rcv_skb+0x130/0x360 [ 6494.823550][ T7704] netlink_unicast+0x449/0x710 [ 6494.823550][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6494.823550][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6494.823550][ T7704] ___sys_sendmsg+0xee/0x170 [ 6494.823550][ T7704] __sys_sendmsg+0xcd/0x170 [ 6494.823550][ T7704] do_syscall_64+0xc6/0x1e0 [ 6494.823550][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6494.823550][ T7704] [ 6494.825757][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6494.825757][ T7704] netdev_get_by_index+0x5e/0x80 [ 6494.825757][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6494.825757][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6494.825757][ T7704] ip6_route_add+0x1c/0x140 [ 6494.825757][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6494.825757][ T7704] addrconf_add_dev+0xe2/0x170 [ 6494.825757][ T7704] inet6_addr_add+0x12f/0xa40 [ 6494.825757][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6494.825757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6494.825757][ T7704] netlink_rcv_skb+0x130/0x360 [ 6494.825757][ T7704] netlink_unicast+0x449/0x710 [ 6494.825757][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6494.825757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6494.825757][ T7704] ___sys_sendmsg+0xee/0x170 [ 6494.825757][ T7704] __sys_sendmsg+0xcd/0x170 [ 6494.825757][ T7704] do_syscall_64+0xc6/0x1e0 [ 6494.825757][ T7704] [ 6494.827916][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6494.827916][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6494.827916][ T7704] ipv6_find_idev+0x102/0x170 [ 6494.827916][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6494.827916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6494.827916][ T7704] netlink_rcv_skb+0x130/0x360 [ 6494.827916][ T7704] netlink_unicast+0x449/0x710 [ 6494.827916][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6494.827916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6494.827916][ T7704] ___sys_sendmsg+0xee/0x170 [ 6494.827916][ T7704] __sys_sendmsg+0xcd/0x170 [ 6494.827916][ T7704] do_syscall_64+0xc6/0x1e0 [ 6494.827916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6494.827916][ T7704] [ 6494.829615][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6494.829615][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6494.829615][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6494.829615][ T7704] ipv6_find_idev+0x102/0x170 [ 6494.829615][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6494.829615][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6494.829615][ T7704] netlink_rcv_skb+0x130/0x360 [ 6494.829615][ T7704] netlink_unicast+0x449/0x710 [ 6494.829615][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6494.829615][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6494.829615][ T7704] ___sys_sendmsg+0xee/0x170 [ 6494.829615][ T7704] __sys_sendmsg+0xcd/0x170 [ 6494.829615][ T7704] do_syscall_64+0xc6/0x1e0 [ 6494.829615][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6494.829615][ T7704] [ 6505.068795][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6505.069283][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6505.069283][ T7704] netdev_get_by_index+0x5e/0x80 [ 6505.069283][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6505.069283][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6505.069283][ T7704] ip6_route_add+0x1c/0x140 [ 6505.069283][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6505.069283][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6505.069283][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6505.069283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6505.069283][ T7704] netlink_rcv_skb+0x130/0x360 [ 6505.069283][ T7704] netlink_unicast+0x449/0x710 [ 6505.069283][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6505.069283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6505.069283][ T7704] ___sys_sendmsg+0xee/0x170 [ 6505.069283][ T7704] __sys_sendmsg+0xcd/0x170 [ 6505.069283][ T7704] do_syscall_64+0xc6/0x1e0 [ 6505.069283][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6505.069283][ T7704] [ 6505.071542][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6505.071542][ T7704] netdev_get_by_index+0x5e/0x80 [ 6505.071542][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6505.071542][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6505.071542][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6505.071542][ T7704] ipv6_add_addr+0x411/0x2000 [ 6505.071542][ T7704] inet6_addr_add+0x30e/0xa40 [ 6505.071542][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6505.071542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6505.071542][ T7704] netlink_rcv_skb+0x130/0x360 [ 6505.071542][ T7704] netlink_unicast+0x449/0x710 [ 6505.071542][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6505.071542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6505.071542][ T7704] ___sys_sendmsg+0xee/0x170 [ 6505.071542][ T7704] __sys_sendmsg+0xcd/0x170 [ 6505.071542][ T7704] do_syscall_64+0xc6/0x1e0 [ 6505.071542][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6505.071542][ T7704] [ 6505.073779][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6505.073779][ T7704] netdev_get_by_index+0x5e/0x80 [ 6505.073779][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6505.073779][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6505.073779][ T7704] ip6_route_add+0x1c/0x140 [ 6505.073779][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6505.073779][ T7704] addrconf_add_dev+0xe2/0x170 [ 6505.073779][ T7704] inet6_addr_add+0x12f/0xa40 [ 6505.073779][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6505.073779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6505.073779][ T7704] netlink_rcv_skb+0x130/0x360 [ 6505.073779][ T7704] netlink_unicast+0x449/0x710 [ 6505.073779][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6505.073779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6505.073779][ T7704] ___sys_sendmsg+0xee/0x170 [ 6505.073779][ T7704] __sys_sendmsg+0xcd/0x170 [ 6505.073779][ T7704] do_syscall_64+0xc6/0x1e0 [ 6505.073779][ T7704] [ 6505.075918][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6505.075918][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6505.075918][ T7704] ipv6_find_idev+0x102/0x170 [ 6505.075918][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6505.075918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6505.075918][ T7704] netlink_rcv_skb+0x130/0x360 [ 6505.075918][ T7704] netlink_unicast+0x449/0x710 [ 6505.075918][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6505.075918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6505.075918][ T7704] ___sys_sendmsg+0xee/0x170 [ 6505.075918][ T7704] __sys_sendmsg+0xcd/0x170 [ 6505.075918][ T7704] do_syscall_64+0xc6/0x1e0 [ 6505.075918][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6505.075918][ T7704] [ 6505.077616][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6505.077616][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6505.077616][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6505.077616][ T7704] ipv6_find_idev+0x102/0x170 [ 6505.077616][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6505.077616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6505.077616][ T7704] netlink_rcv_skb+0x130/0x360 [ 6505.077616][ T7704] netlink_unicast+0x449/0x710 [ 6505.077616][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6505.077616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6505.077616][ T7704] ___sys_sendmsg+0xee/0x170 [ 6505.077616][ T7704] __sys_sendmsg+0xcd/0x170 [ 6505.077616][ T7704] do_syscall_64+0xc6/0x1e0 [ 6505.077616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6505.077616][ T7704] [ 6515.292802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6515.293281][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6515.293281][ T7704] netdev_get_by_index+0x5e/0x80 [ 6515.293281][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6515.293281][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6515.293281][ T7704] ip6_route_add+0x1c/0x140 [ 6515.293281][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6515.293281][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6515.293281][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6515.293281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6515.293281][ T7704] netlink_rcv_skb+0x130/0x360 [ 6515.293281][ T7704] netlink_unicast+0x449/0x710 [ 6515.293281][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6515.293281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6515.293281][ T7704] ___sys_sendmsg+0xee/0x170 [ 6515.293281][ T7704] __sys_sendmsg+0xcd/0x170 [ 6515.293281][ T7704] do_syscall_64+0xc6/0x1e0 [ 6515.293281][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6515.293281][ T7704] [ 6515.295497][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6515.295497][ T7704] netdev_get_by_index+0x5e/0x80 [ 6515.295497][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6515.295497][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6515.295497][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6515.295497][ T7704] ipv6_add_addr+0x411/0x2000 [ 6515.295497][ T7704] inet6_addr_add+0x30e/0xa40 [ 6515.295497][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6515.295497][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6515.295497][ T7704] netlink_rcv_skb+0x130/0x360 [ 6515.295497][ T7704] netlink_unicast+0x449/0x710 [ 6515.295497][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6515.295497][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6515.295497][ T7704] ___sys_sendmsg+0xee/0x170 [ 6515.295497][ T7704] __sys_sendmsg+0xcd/0x170 [ 6515.295497][ T7704] do_syscall_64+0xc6/0x1e0 [ 6515.295497][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6515.295497][ T7704] [ 6515.297681][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6515.297681][ T7704] netdev_get_by_index+0x5e/0x80 [ 6515.297681][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6515.297681][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6515.297681][ T7704] ip6_route_add+0x1c/0x140 [ 6515.297681][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6515.297681][ T7704] addrconf_add_dev+0xe2/0x170 [ 6515.297681][ T7704] inet6_addr_add+0x12f/0xa40 [ 6515.297681][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6515.297681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6515.297681][ T7704] netlink_rcv_skb+0x130/0x360 [ 6515.297681][ T7704] netlink_unicast+0x449/0x710 [ 6515.297681][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6515.297681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6515.297681][ T7704] ___sys_sendmsg+0xee/0x170 [ 6515.297681][ T7704] __sys_sendmsg+0xcd/0x170 [ 6515.297681][ T7704] do_syscall_64+0xc6/0x1e0 [ 6515.297681][ T7704] [ 6515.299811][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6515.299811][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6515.299811][ T7704] ipv6_find_idev+0x102/0x170 [ 6515.299811][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6515.299811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6515.299811][ T7704] netlink_rcv_skb+0x130/0x360 [ 6515.299811][ T7704] netlink_unicast+0x449/0x710 [ 6515.299811][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6515.299811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6515.299811][ T7704] ___sys_sendmsg+0xee/0x170 [ 6515.299811][ T7704] __sys_sendmsg+0xcd/0x170 [ 6515.299811][ T7704] do_syscall_64+0xc6/0x1e0 [ 6515.299811][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6515.299811][ T7704] [ 6515.301522][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6515.301522][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6515.301522][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6515.301522][ T7704] ipv6_find_idev+0x102/0x170 [ 6515.301522][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6515.301522][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6515.301522][ T7704] netlink_rcv_skb+0x130/0x360 [ 6515.301522][ T7704] netlink_unicast+0x449/0x710 [ 6515.301522][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6515.301522][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6515.301522][ T7704] ___sys_sendmsg+0xee/0x170 [ 6515.301522][ T7704] __sys_sendmsg+0xcd/0x170 [ 6515.301522][ T7704] do_syscall_64+0xc6/0x1e0 [ 6515.301522][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6515.301522][ T7704] [ 6525.548870][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6525.549364][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6525.549364][ T7704] netdev_get_by_index+0x5e/0x80 [ 6525.549364][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6525.549364][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6525.549364][ T7704] ip6_route_add+0x1c/0x140 [ 6525.549364][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6525.549364][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6525.549364][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6525.549364][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6525.549364][ T7704] netlink_rcv_skb+0x130/0x360 [ 6525.549364][ T7704] netlink_unicast+0x449/0x710 [ 6525.549364][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6525.549364][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6525.549364][ T7704] ___sys_sendmsg+0xee/0x170 [ 6525.549364][ T7704] __sys_sendmsg+0xcd/0x170 [ 6525.549364][ T7704] do_syscall_64+0xc6/0x1e0 [ 6525.549364][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6525.549364][ T7704] [ 6525.551640][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6525.551640][ T7704] netdev_get_by_index+0x5e/0x80 [ 6525.551640][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6525.551640][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6525.551640][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6525.551640][ T7704] ipv6_add_addr+0x411/0x2000 [ 6525.551640][ T7704] inet6_addr_add+0x30e/0xa40 [ 6525.551640][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6525.551640][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6525.551640][ T7704] netlink_rcv_skb+0x130/0x360 [ 6525.551640][ T7704] netlink_unicast+0x449/0x710 [ 6525.551640][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6525.551640][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6525.551640][ T7704] ___sys_sendmsg+0xee/0x170 [ 6525.551640][ T7704] __sys_sendmsg+0xcd/0x170 [ 6525.551640][ T7704] do_syscall_64+0xc6/0x1e0 [ 6525.551640][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6525.551640][ T7704] [ 6525.553867][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6525.553867][ T7704] netdev_get_by_index+0x5e/0x80 [ 6525.553867][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6525.553867][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6525.553867][ T7704] ip6_route_add+0x1c/0x140 [ 6525.553867][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6525.553867][ T7704] addrconf_add_dev+0xe2/0x170 [ 6525.553867][ T7704] inet6_addr_add+0x12f/0xa40 [ 6525.553867][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6525.553867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6525.553867][ T7704] netlink_rcv_skb+0x130/0x360 [ 6525.553867][ T7704] netlink_unicast+0x449/0x710 [ 6525.553867][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6525.553867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6525.553867][ T7704] ___sys_sendmsg+0xee/0x170 [ 6525.553867][ T7704] __sys_sendmsg+0xcd/0x170 [ 6525.553867][ T7704] do_syscall_64+0xc6/0x1e0 [ 6525.553867][ T7704] [ 6525.556030][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6525.556030][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6525.556030][ T7704] ipv6_find_idev+0x102/0x170 [ 6525.556030][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6525.556030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6525.556030][ T7704] netlink_rcv_skb+0x130/0x360 [ 6525.556030][ T7704] netlink_unicast+0x449/0x710 [ 6525.556030][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6525.556030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6525.556030][ T7704] ___sys_sendmsg+0xee/0x170 [ 6525.556030][ T7704] __sys_sendmsg+0xcd/0x170 [ 6525.556030][ T7704] do_syscall_64+0xc6/0x1e0 [ 6525.556030][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6525.556030][ T7704] [ 6525.557724][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6525.557724][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6525.557724][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6525.557724][ T7704] ipv6_find_idev+0x102/0x170 [ 6525.557724][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6525.557724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6525.557724][ T7704] netlink_rcv_skb+0x130/0x360 [ 6525.557724][ T7704] netlink_unicast+0x449/0x710 [ 6525.557724][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6525.557724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6525.557724][ T7704] ___sys_sendmsg+0xee/0x170 [ 6525.557724][ T7704] __sys_sendmsg+0xcd/0x170 [ 6525.557724][ T7704] do_syscall_64+0xc6/0x1e0 [ 6525.557724][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6525.557724][ T7704] [ 6535.796800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6535.797310][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6535.797310][ T7704] netdev_get_by_index+0x5e/0x80 [ 6535.797310][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6535.797310][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6535.797310][ T7704] ip6_route_add+0x1c/0x140 [ 6535.797310][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6535.797310][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6535.797310][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6535.797310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6535.797310][ T7704] netlink_rcv_skb+0x130/0x360 [ 6535.797310][ T7704] netlink_unicast+0x449/0x710 [ 6535.797310][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6535.797310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6535.797310][ T7704] ___sys_sendmsg+0xee/0x170 [ 6535.797310][ T7704] __sys_sendmsg+0xcd/0x170 [ 6535.797310][ T7704] do_syscall_64+0xc6/0x1e0 [ 6535.797310][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6535.797310][ T7704] [ 6535.799551][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6535.799551][ T7704] netdev_get_by_index+0x5e/0x80 [ 6535.799551][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6535.799551][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6535.799551][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6535.799551][ T7704] ipv6_add_addr+0x411/0x2000 [ 6535.799551][ T7704] inet6_addr_add+0x30e/0xa40 [ 6535.799551][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6535.799551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6535.799551][ T7704] netlink_rcv_skb+0x130/0x360 [ 6535.799551][ T7704] netlink_unicast+0x449/0x710 [ 6535.799551][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6535.799551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6535.799551][ T7704] ___sys_sendmsg+0xee/0x170 [ 6535.799551][ T7704] __sys_sendmsg+0xcd/0x170 [ 6535.799551][ T7704] do_syscall_64+0xc6/0x1e0 [ 6535.799551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6535.799551][ T7704] [ 6535.801799][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6535.801799][ T7704] netdev_get_by_index+0x5e/0x80 [ 6535.801799][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6535.801799][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6535.801799][ T7704] ip6_route_add+0x1c/0x140 [ 6535.801799][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6535.801799][ T7704] addrconf_add_dev+0xe2/0x170 [ 6535.801799][ T7704] inet6_addr_add+0x12f/0xa40 [ 6535.801799][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6535.801799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6535.801799][ T7704] netlink_rcv_skb+0x130/0x360 [ 6535.801799][ T7704] netlink_unicast+0x449/0x710 [ 6535.801799][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6535.801799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6535.801799][ T7704] ___sys_sendmsg+0xee/0x170 [ 6535.801799][ T7704] __sys_sendmsg+0xcd/0x170 [ 6535.801799][ T7704] do_syscall_64+0xc6/0x1e0 [ 6535.801799][ T7704] [ 6535.804498][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6535.804498][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6535.804498][ T7704] ipv6_find_idev+0x102/0x170 [ 6535.804498][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6535.804498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6535.804498][ T7704] netlink_rcv_skb+0x130/0x360 [ 6535.804498][ T7704] netlink_unicast+0x449/0x710 [ 6535.804498][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6535.804498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6535.804498][ T7704] ___sys_sendmsg+0xee/0x170 [ 6535.804498][ T7704] __sys_sendmsg+0xcd/0x170 [ 6535.804498][ T7704] do_syscall_64+0xc6/0x1e0 [ 6535.804498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6535.804498][ T7704] [ 6535.806200][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6535.806200][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6535.806200][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6535.806200][ T7704] ipv6_find_idev+0x102/0x170 [ 6535.806200][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6535.806200][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6535.806200][ T7704] netlink_rcv_skb+0x130/0x360 [ 6535.806200][ T7704] netlink_unicast+0x449/0x710 [ 6535.806200][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6535.806200][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6535.806200][ T7704] ___sys_sendmsg+0xee/0x170 [ 6535.806200][ T7704] __sys_sendmsg+0xcd/0x170 [ 6535.806200][ T7704] do_syscall_64+0xc6/0x1e0 [ 6535.806200][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6535.806200][ T7704] [ 6546.044804][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6546.045263][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6546.045263][ T7704] netdev_get_by_index+0x5e/0x80 [ 6546.045263][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6546.045263][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6546.045263][ T7704] ip6_route_add+0x1c/0x140 [ 6546.045263][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6546.045263][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6546.045263][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6546.045263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6546.045263][ T7704] netlink_rcv_skb+0x130/0x360 [ 6546.045263][ T7704] netlink_unicast+0x449/0x710 [ 6546.045263][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6546.045263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6546.045263][ T7704] ___sys_sendmsg+0xee/0x170 [ 6546.045263][ T7704] __sys_sendmsg+0xcd/0x170 [ 6546.045263][ T7704] do_syscall_64+0xc6/0x1e0 [ 6546.045263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6546.045263][ T7704] [ 6546.048088][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6546.048088][ T7704] netdev_get_by_index+0x5e/0x80 [ 6546.048088][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6546.048088][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6546.048088][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6546.048088][ T7704] ipv6_add_addr+0x411/0x2000 [ 6546.048088][ T7704] inet6_addr_add+0x30e/0xa40 [ 6546.048088][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6546.048088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6546.048088][ T7704] netlink_rcv_skb+0x130/0x360 [ 6546.048088][ T7704] netlink_unicast+0x449/0x710 [ 6546.048088][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6546.048088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6546.048088][ T7704] ___sys_sendmsg+0xee/0x170 [ 6546.048088][ T7704] __sys_sendmsg+0xcd/0x170 [ 6546.048088][ T7704] do_syscall_64+0xc6/0x1e0 [ 6546.048088][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6546.048088][ T7704] [ 6546.050372][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6546.050372][ T7704] netdev_get_by_index+0x5e/0x80 [ 6546.050372][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6546.050372][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6546.050372][ T7704] ip6_route_add+0x1c/0x140 [ 6546.050372][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6546.050372][ T7704] addrconf_add_dev+0xe2/0x170 [ 6546.050372][ T7704] inet6_addr_add+0x12f/0xa40 [ 6546.050372][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6546.050372][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6546.050372][ T7704] netlink_rcv_skb+0x130/0x360 [ 6546.050372][ T7704] netlink_unicast+0x449/0x710 [ 6546.050372][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6546.050372][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6546.050372][ T7704] ___sys_sendmsg+0xee/0x170 [ 6546.050372][ T7704] __sys_sendmsg+0xcd/0x170 [ 6546.050372][ T7704] do_syscall_64+0xc6/0x1e0 [ 6546.050372][ T7704] [ 6546.052542][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6546.052542][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6546.052542][ T7704] ipv6_find_idev+0x102/0x170 [ 6546.052542][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6546.052542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6546.052542][ T7704] netlink_rcv_skb+0x130/0x360 [ 6546.052542][ T7704] netlink_unicast+0x449/0x710 [ 6546.052542][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6546.052542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6546.052542][ T7704] ___sys_sendmsg+0xee/0x170 [ 6546.052542][ T7704] __sys_sendmsg+0xcd/0x170 [ 6546.052542][ T7704] do_syscall_64+0xc6/0x1e0 [ 6546.052542][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6546.052542][ T7704] [ 6546.054238][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6546.054238][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6546.054238][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6546.054238][ T7704] ipv6_find_idev+0x102/0x170 [ 6546.054238][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6546.054238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6546.054238][ T7704] netlink_rcv_skb+0x130/0x360 [ 6546.054238][ T7704] netlink_unicast+0x449/0x710 [ 6546.054238][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6546.054238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6546.054238][ T7704] ___sys_sendmsg+0xee/0x170 [ 6546.054238][ T7704] __sys_sendmsg+0xcd/0x170 [ 6546.054238][ T7704] do_syscall_64+0xc6/0x1e0 [ 6546.054238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6546.054238][ T7704] [ 6556.292799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6556.293275][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6556.293275][ T7704] netdev_get_by_index+0x5e/0x80 [ 6556.293275][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6556.293275][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6556.293275][ T7704] ip6_route_add+0x1c/0x140 [ 6556.293275][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6556.293275][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6556.293275][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6556.293275][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6556.293275][ T7704] netlink_rcv_skb+0x130/0x360 [ 6556.293275][ T7704] netlink_unicast+0x449/0x710 [ 6556.293275][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6556.293275][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6556.293275][ T7704] ___sys_sendmsg+0xee/0x170 [ 6556.293275][ T7704] __sys_sendmsg+0xcd/0x170 [ 6556.293275][ T7704] do_syscall_64+0xc6/0x1e0 [ 6556.293275][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6556.293275][ T7704] [ 6556.295481][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6556.295481][ T7704] netdev_get_by_index+0x5e/0x80 [ 6556.295481][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6556.295481][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6556.295481][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6556.295481][ T7704] ipv6_add_addr+0x411/0x2000 [ 6556.295481][ T7704] inet6_addr_add+0x30e/0xa40 [ 6556.295481][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6556.295481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6556.295481][ T7704] netlink_rcv_skb+0x130/0x360 [ 6556.295481][ T7704] netlink_unicast+0x449/0x710 [ 6556.295481][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6556.295481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6556.295481][ T7704] ___sys_sendmsg+0xee/0x170 [ 6556.295481][ T7704] __sys_sendmsg+0xcd/0x170 [ 6556.295481][ T7704] do_syscall_64+0xc6/0x1e0 [ 6556.295481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6556.295481][ T7704] [ 6556.297697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6556.297697][ T7704] netdev_get_by_index+0x5e/0x80 [ 6556.297697][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6556.297697][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6556.297697][ T7704] ip6_route_add+0x1c/0x140 [ 6556.297697][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6556.297697][ T7704] addrconf_add_dev+0xe2/0x170 [ 6556.297697][ T7704] inet6_addr_add+0x12f/0xa40 [ 6556.297697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6556.297697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6556.297697][ T7704] netlink_rcv_skb+0x130/0x360 [ 6556.297697][ T7704] netlink_unicast+0x449/0x710 [ 6556.297697][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6556.297697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6556.297697][ T7704] ___sys_sendmsg+0xee/0x170 [ 6556.297697][ T7704] __sys_sendmsg+0xcd/0x170 [ 6556.297697][ T7704] do_syscall_64+0xc6/0x1e0 [ 6556.297697][ T7704] [ 6556.299891][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6556.299891][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6556.299891][ T7704] ipv6_find_idev+0x102/0x170 [ 6556.299891][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6556.299891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6556.299891][ T7704] netlink_rcv_skb+0x130/0x360 [ 6556.299891][ T7704] netlink_unicast+0x449/0x710 [ 6556.299891][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6556.299891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6556.299891][ T7704] ___sys_sendmsg+0xee/0x170 [ 6556.299891][ T7704] __sys_sendmsg+0xcd/0x170 [ 6556.299891][ T7704] do_syscall_64+0xc6/0x1e0 [ 6556.299891][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6556.299891][ T7704] [ 6556.301593][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6556.301593][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6556.301593][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6556.301593][ T7704] ipv6_find_idev+0x102/0x170 [ 6556.301593][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6556.301593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6556.301593][ T7704] netlink_rcv_skb+0x130/0x360 [ 6556.301593][ T7704] netlink_unicast+0x449/0x710 [ 6556.301593][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6556.301593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6556.301593][ T7704] ___sys_sendmsg+0xee/0x170 [ 6556.301593][ T7704] __sys_sendmsg+0xcd/0x170 [ 6556.301593][ T7704] do_syscall_64+0xc6/0x1e0 [ 6556.301593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6556.301593][ T7704] [ 6566.540824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6566.541293][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6566.541293][ T7704] netdev_get_by_index+0x5e/0x80 [ 6566.541293][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6566.541293][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6566.541293][ T7704] ip6_route_add+0x1c/0x140 [ 6566.541293][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6566.541293][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6566.541293][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6566.541293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6566.541293][ T7704] netlink_rcv_skb+0x130/0x360 [ 6566.541293][ T7704] netlink_unicast+0x449/0x710 [ 6566.541293][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6566.541293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6566.541293][ T7704] ___sys_sendmsg+0xee/0x170 [ 6566.541293][ T7704] __sys_sendmsg+0xcd/0x170 [ 6566.541293][ T7704] do_syscall_64+0xc6/0x1e0 [ 6566.541293][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6566.541293][ T7704] [ 6566.543538][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6566.543538][ T7704] netdev_get_by_index+0x5e/0x80 [ 6566.543538][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6566.543538][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6566.543538][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6566.543538][ T7704] ipv6_add_addr+0x411/0x2000 [ 6566.543538][ T7704] inet6_addr_add+0x30e/0xa40 [ 6566.543538][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6566.543538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6566.543538][ T7704] netlink_rcv_skb+0x130/0x360 [ 6566.543538][ T7704] netlink_unicast+0x449/0x710 [ 6566.543538][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6566.543538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6566.543538][ T7704] ___sys_sendmsg+0xee/0x170 [ 6566.543538][ T7704] __sys_sendmsg+0xcd/0x170 [ 6566.543538][ T7704] do_syscall_64+0xc6/0x1e0 [ 6566.543538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6566.543538][ T7704] [ 6566.545708][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6566.545708][ T7704] netdev_get_by_index+0x5e/0x80 [ 6566.545708][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6566.545708][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6566.545708][ T7704] ip6_route_add+0x1c/0x140 [ 6566.545708][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6566.545708][ T7704] addrconf_add_dev+0xe2/0x170 [ 6566.545708][ T7704] inet6_addr_add+0x12f/0xa40 [ 6566.545708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6566.545708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6566.545708][ T7704] netlink_rcv_skb+0x130/0x360 [ 6566.545708][ T7704] netlink_unicast+0x449/0x710 [ 6566.545708][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6566.545708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6566.545708][ T7704] ___sys_sendmsg+0xee/0x170 [ 6566.545708][ T7704] __sys_sendmsg+0xcd/0x170 [ 6566.545708][ T7704] do_syscall_64+0xc6/0x1e0 [ 6566.545708][ T7704] [ 6566.547815][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6566.547815][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6566.547815][ T7704] ipv6_find_idev+0x102/0x170 [ 6566.547815][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6566.547815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6566.547815][ T7704] netlink_rcv_skb+0x130/0x360 [ 6566.547815][ T7704] netlink_unicast+0x449/0x710 [ 6566.547815][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6566.547815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6566.547815][ T7704] ___sys_sendmsg+0xee/0x170 [ 6566.547815][ T7704] __sys_sendmsg+0xcd/0x170 [ 6566.547815][ T7704] do_syscall_64+0xc6/0x1e0 [ 6566.547815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6566.547815][ T7704] [ 6566.549525][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6566.549525][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6566.549525][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6566.549525][ T7704] ipv6_find_idev+0x102/0x170 [ 6566.549525][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6566.549525][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6566.549525][ T7704] netlink_rcv_skb+0x130/0x360 [ 6566.549525][ T7704] netlink_unicast+0x449/0x710 [ 6566.549525][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6566.549525][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6566.549525][ T7704] ___sys_sendmsg+0xee/0x170 [ 6566.549525][ T7704] __sys_sendmsg+0xcd/0x170 [ 6566.549525][ T7704] do_syscall_64+0xc6/0x1e0 [ 6566.549525][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6566.549525][ T7704] [ 6576.788803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6576.789277][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6576.789277][ T7704] netdev_get_by_index+0x5e/0x80 [ 6576.789277][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6576.789277][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6576.789277][ T7704] ip6_route_add+0x1c/0x140 [ 6576.789277][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6576.789277][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6576.789277][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6576.789277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6576.789277][ T7704] netlink_rcv_skb+0x130/0x360 [ 6576.789277][ T7704] netlink_unicast+0x449/0x710 [ 6576.789277][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6576.789277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6576.789277][ T7704] ___sys_sendmsg+0xee/0x170 [ 6576.789277][ T7704] __sys_sendmsg+0xcd/0x170 [ 6576.789277][ T7704] do_syscall_64+0xc6/0x1e0 [ 6576.789277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6576.789277][ T7704] [ 6576.791543][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6576.791543][ T7704] netdev_get_by_index+0x5e/0x80 [ 6576.791543][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6576.791543][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6576.791543][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6576.791543][ T7704] ipv6_add_addr+0x411/0x2000 [ 6576.791543][ T7704] inet6_addr_add+0x30e/0xa40 [ 6576.791543][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6576.791543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6576.791543][ T7704] netlink_rcv_skb+0x130/0x360 [ 6576.791543][ T7704] netlink_unicast+0x449/0x710 [ 6576.791543][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6576.791543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6576.791543][ T7704] ___sys_sendmsg+0xee/0x170 [ 6576.791543][ T7704] __sys_sendmsg+0xcd/0x170 [ 6576.791543][ T7704] do_syscall_64+0xc6/0x1e0 [ 6576.791543][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6576.791543][ T7704] [ 6576.793752][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6576.793752][ T7704] netdev_get_by_index+0x5e/0x80 [ 6576.793752][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6576.793752][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6576.793752][ T7704] ip6_route_add+0x1c/0x140 [ 6576.793752][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6576.793752][ T7704] addrconf_add_dev+0xe2/0x170 [ 6576.793752][ T7704] inet6_addr_add+0x12f/0xa40 [ 6576.793752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6576.793752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6576.793752][ T7704] netlink_rcv_skb+0x130/0x360 [ 6576.793752][ T7704] netlink_unicast+0x449/0x710 [ 6576.793752][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6576.793752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6576.793752][ T7704] ___sys_sendmsg+0xee/0x170 [ 6576.793752][ T7704] __sys_sendmsg+0xcd/0x170 [ 6576.793752][ T7704] do_syscall_64+0xc6/0x1e0 [ 6576.793752][ T7704] [ 6576.795890][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6576.795890][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6576.795890][ T7704] ipv6_find_idev+0x102/0x170 [ 6576.795890][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6576.795890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6576.795890][ T7704] netlink_rcv_skb+0x130/0x360 [ 6576.795890][ T7704] netlink_unicast+0x449/0x710 [ 6576.795890][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6576.795890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6576.795890][ T7704] ___sys_sendmsg+0xee/0x170 [ 6576.795890][ T7704] __sys_sendmsg+0xcd/0x170 [ 6576.795890][ T7704] do_syscall_64+0xc6/0x1e0 [ 6576.795890][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6576.795890][ T7704] [ 6576.797606][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6576.797606][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6576.797606][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6576.797606][ T7704] ipv6_find_idev+0x102/0x170 [ 6576.797606][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6576.797606][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6576.797606][ T7704] netlink_rcv_skb+0x130/0x360 [ 6576.797606][ T7704] netlink_unicast+0x449/0x710 [ 6576.797606][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6576.797606][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6576.797606][ T7704] ___sys_sendmsg+0xee/0x170 [ 6576.797606][ T7704] __sys_sendmsg+0xcd/0x170 [ 6576.797606][ T7704] do_syscall_64+0xc6/0x1e0 [ 6576.797606][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6576.797606][ T7704] [ 6587.036742][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6587.037163][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6587.037163][ T7704] netdev_get_by_index+0x5e/0x80 [ 6587.037163][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6587.037163][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6587.037163][ T7704] ip6_route_add+0x1c/0x140 [ 6587.037163][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6587.037163][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6587.037163][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6587.037163][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6587.037163][ T7704] netlink_rcv_skb+0x130/0x360 [ 6587.037163][ T7704] netlink_unicast+0x449/0x710 [ 6587.037163][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6587.037163][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6587.037163][ T7704] ___sys_sendmsg+0xee/0x170 [ 6587.037163][ T7704] __sys_sendmsg+0xcd/0x170 [ 6587.037163][ T7704] do_syscall_64+0xc6/0x1e0 [ 6587.037163][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6587.037163][ T7704] [ 6587.039384][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6587.039384][ T7704] netdev_get_by_index+0x5e/0x80 [ 6587.039384][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6587.039384][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6587.039384][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6587.039384][ T7704] ipv6_add_addr+0x411/0x2000 [ 6587.039384][ T7704] inet6_addr_add+0x30e/0xa40 [ 6587.039384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6587.039384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6587.039384][ T7704] netlink_rcv_skb+0x130/0x360 [ 6587.039384][ T7704] netlink_unicast+0x449/0x710 [ 6587.039384][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6587.039384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6587.039384][ T7704] ___sys_sendmsg+0xee/0x170 [ 6587.039384][ T7704] __sys_sendmsg+0xcd/0x170 [ 6587.039384][ T7704] do_syscall_64+0xc6/0x1e0 [ 6587.039384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6587.039384][ T7704] [ 6587.041588][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6587.041588][ T7704] netdev_get_by_index+0x5e/0x80 [ 6587.041588][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6587.041588][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6587.041588][ T7704] ip6_route_add+0x1c/0x140 [ 6587.041588][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6587.041588][ T7704] addrconf_add_dev+0xe2/0x170 [ 6587.041588][ T7704] inet6_addr_add+0x12f/0xa40 [ 6587.041588][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6587.041588][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6587.041588][ T7704] netlink_rcv_skb+0x130/0x360 [ 6587.041588][ T7704] netlink_unicast+0x449/0x710 [ 6587.041588][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6587.041588][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6587.041588][ T7704] ___sys_sendmsg+0xee/0x170 [ 6587.041588][ T7704] __sys_sendmsg+0xcd/0x170 [ 6587.041588][ T7704] do_syscall_64+0xc6/0x1e0 [ 6587.041588][ T7704] [ 6587.043742][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6587.043742][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6587.043742][ T7704] ipv6_find_idev+0x102/0x170 [ 6587.043742][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6587.043742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6587.043742][ T7704] netlink_rcv_skb+0x130/0x360 [ 6587.043742][ T7704] netlink_unicast+0x449/0x710 [ 6587.043742][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6587.043742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6587.043742][ T7704] ___sys_sendmsg+0xee/0x170 [ 6587.043742][ T7704] __sys_sendmsg+0xcd/0x170 [ 6587.043742][ T7704] do_syscall_64+0xc6/0x1e0 [ 6587.043742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6587.043742][ T7704] [ 6587.045431][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6587.045431][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6587.045431][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6587.045431][ T7704] ipv6_find_idev+0x102/0x170 [ 6587.045431][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6587.045431][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6587.045431][ T7704] netlink_rcv_skb+0x130/0x360 [ 6587.045431][ T7704] netlink_unicast+0x449/0x710 [ 6587.045431][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6587.045431][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6587.045431][ T7704] ___sys_sendmsg+0xee/0x170 [ 6587.045431][ T7704] __sys_sendmsg+0xcd/0x170 [ 6587.045431][ T7704] do_syscall_64+0xc6/0x1e0 [ 6587.045431][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6587.045431][ T7704] [ 6597.284824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6597.285309][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6597.285309][ T7704] netdev_get_by_index+0x5e/0x80 [ 6597.285309][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6597.285309][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6597.285309][ T7704] ip6_route_add+0x1c/0x140 [ 6597.285309][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6597.285309][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6597.285309][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6597.285309][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6597.285309][ T7704] netlink_rcv_skb+0x130/0x360 [ 6597.285309][ T7704] netlink_unicast+0x449/0x710 [ 6597.285309][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6597.285309][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6597.285309][ T7704] ___sys_sendmsg+0xee/0x170 [ 6597.285309][ T7704] __sys_sendmsg+0xcd/0x170 [ 6597.285309][ T7704] do_syscall_64+0xc6/0x1e0 [ 6597.285309][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6597.285309][ T7704] [ 6597.287560][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6597.287560][ T7704] netdev_get_by_index+0x5e/0x80 [ 6597.287560][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6597.287560][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6597.287560][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6597.287560][ T7704] ipv6_add_addr+0x411/0x2000 [ 6597.287560][ T7704] inet6_addr_add+0x30e/0xa40 [ 6597.287560][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6597.287560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6597.287560][ T7704] netlink_rcv_skb+0x130/0x360 [ 6597.287560][ T7704] netlink_unicast+0x449/0x710 [ 6597.287560][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6597.287560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6597.287560][ T7704] ___sys_sendmsg+0xee/0x170 [ 6597.287560][ T7704] __sys_sendmsg+0xcd/0x170 [ 6597.287560][ T7704] do_syscall_64+0xc6/0x1e0 [ 6597.287560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6597.287560][ T7704] [ 6597.289784][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6597.289784][ T7704] netdev_get_by_index+0x5e/0x80 [ 6597.289784][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6597.289784][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6597.289784][ T7704] ip6_route_add+0x1c/0x140 [ 6597.289784][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6597.289784][ T7704] addrconf_add_dev+0xe2/0x170 [ 6597.289784][ T7704] inet6_addr_add+0x12f/0xa40 [ 6597.289784][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6597.289784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6597.289784][ T7704] netlink_rcv_skb+0x130/0x360 [ 6597.289784][ T7704] netlink_unicast+0x449/0x710 [ 6597.289784][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6597.289784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6597.289784][ T7704] ___sys_sendmsg+0xee/0x170 [ 6597.289784][ T7704] __sys_sendmsg+0xcd/0x170 [ 6597.289784][ T7704] do_syscall_64+0xc6/0x1e0 [ 6597.289784][ T7704] [ 6597.291968][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6597.291968][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6597.291968][ T7704] ipv6_find_idev+0x102/0x170 [ 6597.291968][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6597.291968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6597.291968][ T7704] netlink_rcv_skb+0x130/0x360 [ 6597.291968][ T7704] netlink_unicast+0x449/0x710 [ 6597.291968][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6597.291968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6597.291968][ T7704] ___sys_sendmsg+0xee/0x170 [ 6597.291968][ T7704] __sys_sendmsg+0xcd/0x170 [ 6597.291968][ T7704] do_syscall_64+0xc6/0x1e0 [ 6597.291968][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6597.291968][ T7704] [ 6597.293662][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6597.293662][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6597.293662][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6597.293662][ T7704] ipv6_find_idev+0x102/0x170 [ 6597.293662][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6597.293662][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6597.293662][ T7704] netlink_rcv_skb+0x130/0x360 [ 6597.293662][ T7704] netlink_unicast+0x449/0x710 [ 6597.293662][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6597.293662][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6597.293662][ T7704] ___sys_sendmsg+0xee/0x170 [ 6597.293662][ T7704] __sys_sendmsg+0xcd/0x170 [ 6597.293662][ T7704] do_syscall_64+0xc6/0x1e0 [ 6597.293662][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6597.293662][ T7704] [ 6607.380827][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6607.381333][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6607.381333][ T7704] netdev_get_by_index+0x5e/0x80 [ 6607.381333][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6607.381333][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6607.381333][ T7704] ip6_route_add+0x1c/0x140 [ 6607.381333][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6607.381333][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6607.381333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6607.381333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6607.381333][ T7704] netlink_rcv_skb+0x130/0x360 [ 6607.381333][ T7704] netlink_unicast+0x449/0x710 [ 6607.381333][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6607.381333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6607.381333][ T7704] ___sys_sendmsg+0xee/0x170 [ 6607.381333][ T7704] __sys_sendmsg+0xcd/0x170 [ 6607.381333][ T7704] do_syscall_64+0xc6/0x1e0 [ 6607.381333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6607.381333][ T7704] [ 6607.383584][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6607.383584][ T7704] netdev_get_by_index+0x5e/0x80 [ 6607.383584][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6607.383584][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6607.383584][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6607.383584][ T7704] ipv6_add_addr+0x411/0x2000 [ 6607.383584][ T7704] inet6_addr_add+0x30e/0xa40 [ 6607.383584][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6607.383584][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6607.383584][ T7704] netlink_rcv_skb+0x130/0x360 [ 6607.383584][ T7704] netlink_unicast+0x449/0x710 [ 6607.383584][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6607.383584][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6607.383584][ T7704] ___sys_sendmsg+0xee/0x170 [ 6607.383584][ T7704] __sys_sendmsg+0xcd/0x170 [ 6607.383584][ T7704] do_syscall_64+0xc6/0x1e0 [ 6607.383584][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6607.383584][ T7704] [ 6607.385795][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6607.385795][ T7704] netdev_get_by_index+0x5e/0x80 [ 6607.385795][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6607.385795][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6607.385795][ T7704] ip6_route_add+0x1c/0x140 [ 6607.385795][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6607.385795][ T7704] addrconf_add_dev+0xe2/0x170 [ 6607.385795][ T7704] inet6_addr_add+0x12f/0xa40 [ 6607.385795][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6607.385795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6607.385795][ T7704] netlink_rcv_skb+0x130/0x360 [ 6607.385795][ T7704] netlink_unicast+0x449/0x710 [ 6607.385795][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6607.385795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6607.385795][ T7704] ___sys_sendmsg+0xee/0x170 [ 6607.385795][ T7704] __sys_sendmsg+0xcd/0x170 [ 6607.385795][ T7704] do_syscall_64+0xc6/0x1e0 [ 6607.385795][ T7704] [ 6607.387969][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6607.387969][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6607.387969][ T7704] ipv6_find_idev+0x102/0x170 [ 6607.387969][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6607.387969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6607.387969][ T7704] netlink_rcv_skb+0x130/0x360 [ 6607.387969][ T7704] netlink_unicast+0x449/0x710 [ 6607.387969][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6607.387969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6607.387969][ T7704] ___sys_sendmsg+0xee/0x170 [ 6607.387969][ T7704] __sys_sendmsg+0xcd/0x170 [ 6607.387969][ T7704] do_syscall_64+0xc6/0x1e0 [ 6607.387969][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6607.387969][ T7704] [ 6607.389667][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6607.389667][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6607.389667][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6607.389667][ T7704] ipv6_find_idev+0x102/0x170 [ 6607.389667][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6607.389667][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6607.389667][ T7704] netlink_rcv_skb+0x130/0x360 [ 6607.389667][ T7704] netlink_unicast+0x449/0x710 [ 6607.389667][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6607.389667][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6607.389667][ T7704] ___sys_sendmsg+0xee/0x170 [ 6607.389667][ T7704] __sys_sendmsg+0xcd/0x170 [ 6607.389667][ T7704] do_syscall_64+0xc6/0x1e0 [ 6607.389667][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6607.389667][ T7704] [ 6617.628835][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6617.629299][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6617.629299][ T7704] netdev_get_by_index+0x5e/0x80 [ 6617.629299][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6617.629299][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6617.629299][ T7704] ip6_route_add+0x1c/0x140 [ 6617.629299][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6617.629299][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6617.629299][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6617.629299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6617.629299][ T7704] netlink_rcv_skb+0x130/0x360 [ 6617.629299][ T7704] netlink_unicast+0x449/0x710 [ 6617.629299][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6617.629299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6617.629299][ T7704] ___sys_sendmsg+0xee/0x170 [ 6617.629299][ T7704] __sys_sendmsg+0xcd/0x170 [ 6617.629299][ T7704] do_syscall_64+0xc6/0x1e0 [ 6617.629299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6617.629299][ T7704] [ 6617.631536][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6617.631536][ T7704] netdev_get_by_index+0x5e/0x80 [ 6617.631536][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6617.631536][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6617.631536][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6617.631536][ T7704] ipv6_add_addr+0x411/0x2000 [ 6617.631536][ T7704] inet6_addr_add+0x30e/0xa40 [ 6617.631536][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6617.631536][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6617.631536][ T7704] netlink_rcv_skb+0x130/0x360 [ 6617.631536][ T7704] netlink_unicast+0x449/0x710 [ 6617.631536][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6617.631536][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6617.631536][ T7704] ___sys_sendmsg+0xee/0x170 [ 6617.631536][ T7704] __sys_sendmsg+0xcd/0x170 [ 6617.631536][ T7704] do_syscall_64+0xc6/0x1e0 [ 6617.631536][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6617.631536][ T7704] [ 6617.633775][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6617.633775][ T7704] netdev_get_by_index+0x5e/0x80 [ 6617.633775][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6617.633775][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6617.633775][ T7704] ip6_route_add+0x1c/0x140 [ 6617.633775][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6617.633775][ T7704] addrconf_add_dev+0xe2/0x170 [ 6617.633775][ T7704] inet6_addr_add+0x12f/0xa40 [ 6617.633775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6617.633775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6617.633775][ T7704] netlink_rcv_skb+0x130/0x360 [ 6617.633775][ T7704] netlink_unicast+0x449/0x710 [ 6617.633775][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6617.633775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6617.633775][ T7704] ___sys_sendmsg+0xee/0x170 [ 6617.633775][ T7704] __sys_sendmsg+0xcd/0x170 [ 6617.633775][ T7704] do_syscall_64+0xc6/0x1e0 [ 6617.633775][ T7704] [ 6617.635950][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6617.635950][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6617.635950][ T7704] ipv6_find_idev+0x102/0x170 [ 6617.635950][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6617.635950][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6617.635950][ T7704] netlink_rcv_skb+0x130/0x360 [ 6617.635950][ T7704] netlink_unicast+0x449/0x710 [ 6617.635950][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6617.635950][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6617.635950][ T7704] ___sys_sendmsg+0xee/0x170 [ 6617.635950][ T7704] __sys_sendmsg+0xcd/0x170 [ 6617.635950][ T7704] do_syscall_64+0xc6/0x1e0 [ 6617.635950][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6617.635950][ T7704] [ 6617.637643][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6617.637643][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6617.637643][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6617.637643][ T7704] ipv6_find_idev+0x102/0x170 [ 6617.637643][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6617.637643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6617.637643][ T7704] netlink_rcv_skb+0x130/0x360 [ 6617.637643][ T7704] netlink_unicast+0x449/0x710 [ 6617.637643][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6617.637643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6617.637643][ T7704] ___sys_sendmsg+0xee/0x170 [ 6617.637643][ T7704] __sys_sendmsg+0xcd/0x170 [ 6617.637643][ T7704] do_syscall_64+0xc6/0x1e0 [ 6617.637643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6617.637643][ T7704] [ 6627.876805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6627.877279][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6627.877279][ T7704] netdev_get_by_index+0x5e/0x80 [ 6627.877279][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6627.877279][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6627.877279][ T7704] ip6_route_add+0x1c/0x140 [ 6627.877279][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6627.877279][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6627.877279][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6627.877279][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6627.877279][ T7704] netlink_rcv_skb+0x130/0x360 [ 6627.877279][ T7704] netlink_unicast+0x449/0x710 [ 6627.877279][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6627.877279][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6627.877279][ T7704] ___sys_sendmsg+0xee/0x170 [ 6627.877279][ T7704] __sys_sendmsg+0xcd/0x170 [ 6627.877279][ T7704] do_syscall_64+0xc6/0x1e0 [ 6627.877279][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6627.877279][ T7704] [ 6627.879506][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6627.879506][ T7704] netdev_get_by_index+0x5e/0x80 [ 6627.879506][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6627.879506][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6627.879506][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6627.879506][ T7704] ipv6_add_addr+0x411/0x2000 [ 6627.879506][ T7704] inet6_addr_add+0x30e/0xa40 [ 6627.879506][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6627.879506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6627.879506][ T7704] netlink_rcv_skb+0x130/0x360 [ 6627.879506][ T7704] netlink_unicast+0x449/0x710 [ 6627.879506][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6627.879506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6627.879506][ T7704] ___sys_sendmsg+0xee/0x170 [ 6627.879506][ T7704] __sys_sendmsg+0xcd/0x170 [ 6627.879506][ T7704] do_syscall_64+0xc6/0x1e0 [ 6627.879506][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6627.879506][ T7704] [ 6627.881719][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6627.881719][ T7704] netdev_get_by_index+0x5e/0x80 [ 6627.881719][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6627.881719][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6627.881719][ T7704] ip6_route_add+0x1c/0x140 [ 6627.881719][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6627.881719][ T7704] addrconf_add_dev+0xe2/0x170 [ 6627.881719][ T7704] inet6_addr_add+0x12f/0xa40 [ 6627.881719][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6627.881719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6627.881719][ T7704] netlink_rcv_skb+0x130/0x360 [ 6627.881719][ T7704] netlink_unicast+0x449/0x710 [ 6627.881719][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6627.881719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6627.881719][ T7704] ___sys_sendmsg+0xee/0x170 [ 6627.881719][ T7704] __sys_sendmsg+0xcd/0x170 [ 6627.881719][ T7704] do_syscall_64+0xc6/0x1e0 [ 6627.881719][ T7704] [ 6627.883886][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6627.883886][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6627.883886][ T7704] ipv6_find_idev+0x102/0x170 [ 6627.883886][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6627.883886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6627.883886][ T7704] netlink_rcv_skb+0x130/0x360 [ 6627.883886][ T7704] netlink_unicast+0x449/0x710 [ 6627.883886][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6627.883886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6627.883886][ T7704] ___sys_sendmsg+0xee/0x170 [ 6627.883886][ T7704] __sys_sendmsg+0xcd/0x170 [ 6627.883886][ T7704] do_syscall_64+0xc6/0x1e0 [ 6627.883886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6627.883886][ T7704] [ 6627.885586][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6627.885586][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6627.885586][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6627.885586][ T7704] ipv6_find_idev+0x102/0x170 [ 6627.885586][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6627.885586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6627.885586][ T7704] netlink_rcv_skb+0x130/0x360 [ 6627.885586][ T7704] netlink_unicast+0x449/0x710 [ 6627.885586][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6627.885586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6627.885586][ T7704] ___sys_sendmsg+0xee/0x170 [ 6627.885586][ T7704] __sys_sendmsg+0xcd/0x170 [ 6627.885586][ T7704] do_syscall_64+0xc6/0x1e0 [ 6627.885586][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6627.885586][ T7704] [ 6638.100740][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6638.101247][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6638.101247][ T7704] netdev_get_by_index+0x5e/0x80 [ 6638.101247][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6638.101247][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6638.101247][ T7704] ip6_route_add+0x1c/0x140 [ 6638.101247][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6638.101247][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6638.101247][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6638.101247][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6638.101247][ T7704] netlink_rcv_skb+0x130/0x360 [ 6638.101247][ T7704] netlink_unicast+0x449/0x710 [ 6638.101247][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6638.101247][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6638.101247][ T7704] ___sys_sendmsg+0xee/0x170 [ 6638.101247][ T7704] __sys_sendmsg+0xcd/0x170 [ 6638.101247][ T7704] do_syscall_64+0xc6/0x1e0 [ 6638.101247][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6638.101247][ T7704] [ 6638.103528][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6638.103528][ T7704] netdev_get_by_index+0x5e/0x80 [ 6638.103528][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6638.103528][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6638.103528][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6638.103528][ T7704] ipv6_add_addr+0x411/0x2000 [ 6638.103528][ T7704] inet6_addr_add+0x30e/0xa40 [ 6638.103528][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6638.103528][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6638.103528][ T7704] netlink_rcv_skb+0x130/0x360 [ 6638.103528][ T7704] netlink_unicast+0x449/0x710 [ 6638.103528][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6638.103528][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6638.103528][ T7704] ___sys_sendmsg+0xee/0x170 [ 6638.103528][ T7704] __sys_sendmsg+0xcd/0x170 [ 6638.103528][ T7704] do_syscall_64+0xc6/0x1e0 [ 6638.103528][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6638.103528][ T7704] [ 6638.105721][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6638.105721][ T7704] netdev_get_by_index+0x5e/0x80 [ 6638.105721][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6638.105721][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6638.105721][ T7704] ip6_route_add+0x1c/0x140 [ 6638.105721][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6638.105721][ T7704] addrconf_add_dev+0xe2/0x170 [ 6638.105721][ T7704] inet6_addr_add+0x12f/0xa40 [ 6638.105721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6638.105721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6638.105721][ T7704] netlink_rcv_skb+0x130/0x360 [ 6638.105721][ T7704] netlink_unicast+0x449/0x710 [ 6638.105721][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6638.105721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6638.105721][ T7704] ___sys_sendmsg+0xee/0x170 [ 6638.105721][ T7704] __sys_sendmsg+0xcd/0x170 [ 6638.105721][ T7704] do_syscall_64+0xc6/0x1e0 [ 6638.105721][ T7704] [ 6638.107882][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6638.107882][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6638.107882][ T7704] ipv6_find_idev+0x102/0x170 [ 6638.107882][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6638.107882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6638.107882][ T7704] netlink_rcv_skb+0x130/0x360 [ 6638.107882][ T7704] netlink_unicast+0x449/0x710 [ 6638.107882][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6638.107882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6638.107882][ T7704] ___sys_sendmsg+0xee/0x170 [ 6638.107882][ T7704] __sys_sendmsg+0xcd/0x170 [ 6638.107882][ T7704] do_syscall_64+0xc6/0x1e0 [ 6638.107882][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6638.107882][ T7704] [ 6638.109618][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6638.109618][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6638.109618][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6638.109618][ T7704] ipv6_find_idev+0x102/0x170 [ 6638.109618][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6638.109618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6638.109618][ T7704] netlink_rcv_skb+0x130/0x360 [ 6638.109618][ T7704] netlink_unicast+0x449/0x710 [ 6638.109618][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6638.109618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6638.109618][ T7704] ___sys_sendmsg+0xee/0x170 [ 6638.109618][ T7704] __sys_sendmsg+0xcd/0x170 [ 6638.109618][ T7704] do_syscall_64+0xc6/0x1e0 [ 6638.109618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6638.109618][ T7704] [ 6648.348834][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6648.349304][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6648.349304][ T7704] netdev_get_by_index+0x5e/0x80 [ 6648.349304][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6648.349304][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6648.349304][ T7704] ip6_route_add+0x1c/0x140 [ 6648.349304][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6648.349304][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6648.349304][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6648.349304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6648.349304][ T7704] netlink_rcv_skb+0x130/0x360 [ 6648.349304][ T7704] netlink_unicast+0x449/0x710 [ 6648.349304][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6648.349304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6648.349304][ T7704] ___sys_sendmsg+0xee/0x170 [ 6648.349304][ T7704] __sys_sendmsg+0xcd/0x170 [ 6648.349304][ T7704] do_syscall_64+0xc6/0x1e0 [ 6648.349304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6648.349304][ T7704] [ 6648.351534][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6648.351534][ T7704] netdev_get_by_index+0x5e/0x80 [ 6648.351534][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6648.351534][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6648.351534][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6648.351534][ T7704] ipv6_add_addr+0x411/0x2000 [ 6648.351534][ T7704] inet6_addr_add+0x30e/0xa40 [ 6648.351534][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6648.351534][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6648.351534][ T7704] netlink_rcv_skb+0x130/0x360 [ 6648.351534][ T7704] netlink_unicast+0x449/0x710 [ 6648.351534][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6648.351534][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6648.351534][ T7704] ___sys_sendmsg+0xee/0x170 [ 6648.351534][ T7704] __sys_sendmsg+0xcd/0x170 [ 6648.351534][ T7704] do_syscall_64+0xc6/0x1e0 [ 6648.351534][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6648.351534][ T7704] [ 6648.354205][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6648.354205][ T7704] netdev_get_by_index+0x5e/0x80 [ 6648.354205][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6648.354205][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6648.354205][ T7704] ip6_route_add+0x1c/0x140 [ 6648.354205][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6648.354205][ T7704] addrconf_add_dev+0xe2/0x170 [ 6648.354205][ T7704] inet6_addr_add+0x12f/0xa40 [ 6648.354205][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6648.354205][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6648.354205][ T7704] netlink_rcv_skb+0x130/0x360 [ 6648.354205][ T7704] netlink_unicast+0x449/0x710 [ 6648.354205][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6648.354205][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6648.354205][ T7704] ___sys_sendmsg+0xee/0x170 [ 6648.354205][ T7704] __sys_sendmsg+0xcd/0x170 [ 6648.354205][ T7704] do_syscall_64+0xc6/0x1e0 [ 6648.354205][ T7704] [ 6648.356744][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6648.356744][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6648.356744][ T7704] ipv6_find_idev+0x102/0x170 [ 6648.356744][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6648.356744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6648.356744][ T7704] netlink_rcv_skb+0x130/0x360 [ 6648.356744][ T7704] netlink_unicast+0x449/0x710 [ 6648.356744][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6648.356744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6648.356744][ T7704] ___sys_sendmsg+0xee/0x170 [ 6648.356744][ T7704] __sys_sendmsg+0xcd/0x170 [ 6648.356744][ T7704] do_syscall_64+0xc6/0x1e0 [ 6648.356744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6648.356744][ T7704] [ 6648.358449][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6648.358449][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6648.358449][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6648.358449][ T7704] ipv6_find_idev+0x102/0x170 [ 6648.358449][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6648.358449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6648.358449][ T7704] netlink_rcv_skb+0x130/0x360 [ 6648.358449][ T7704] netlink_unicast+0x449/0x710 [ 6648.358449][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6648.358449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6648.358449][ T7704] ___sys_sendmsg+0xee/0x170 [ 6648.358449][ T7704] __sys_sendmsg+0xcd/0x170 [ 6648.358449][ T7704] do_syscall_64+0xc6/0x1e0 [ 6648.358449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6648.358449][ T7704] [ 6658.836890][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6658.837375][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6658.837375][ T7704] netdev_get_by_index+0x5e/0x80 [ 6658.837375][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6658.837375][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6658.837375][ T7704] ip6_route_add+0x1c/0x140 [ 6658.837375][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6658.837375][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6658.837375][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6658.837375][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6658.837375][ T7704] netlink_rcv_skb+0x130/0x360 [ 6658.837375][ T7704] netlink_unicast+0x449/0x710 [ 6658.837375][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6658.837375][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6658.837375][ T7704] ___sys_sendmsg+0xee/0x170 [ 6658.837375][ T7704] __sys_sendmsg+0xcd/0x170 [ 6658.837375][ T7704] do_syscall_64+0xc6/0x1e0 [ 6658.837375][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6658.837375][ T7704] [ 6658.839614][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6658.839614][ T7704] netdev_get_by_index+0x5e/0x80 [ 6658.839614][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6658.839614][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6658.839614][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6658.839614][ T7704] ipv6_add_addr+0x411/0x2000 [ 6658.839614][ T7704] inet6_addr_add+0x30e/0xa40 [ 6658.839614][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6658.839614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6658.839614][ T7704] netlink_rcv_skb+0x130/0x360 [ 6658.839614][ T7704] netlink_unicast+0x449/0x710 [ 6658.839614][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6658.839614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6658.839614][ T7704] ___sys_sendmsg+0xee/0x170 [ 6658.839614][ T7704] __sys_sendmsg+0xcd/0x170 [ 6658.839614][ T7704] do_syscall_64+0xc6/0x1e0 [ 6658.839614][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6658.839614][ T7704] [ 6658.841865][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6658.841865][ T7704] netdev_get_by_index+0x5e/0x80 [ 6658.841865][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6658.841865][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6658.841865][ T7704] ip6_route_add+0x1c/0x140 [ 6658.841865][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6658.841865][ T7704] addrconf_add_dev+0xe2/0x170 [ 6658.841865][ T7704] inet6_addr_add+0x12f/0xa40 [ 6658.841865][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6658.841865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6658.841865][ T7704] netlink_rcv_skb+0x130/0x360 [ 6658.841865][ T7704] netlink_unicast+0x449/0x710 [ 6658.841865][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6658.841865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6658.841865][ T7704] ___sys_sendmsg+0xee/0x170 [ 6658.841865][ T7704] __sys_sendmsg+0xcd/0x170 [ 6658.841865][ T7704] do_syscall_64+0xc6/0x1e0 [ 6658.841865][ T7704] [ 6658.844014][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6658.844014][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6658.844014][ T7704] ipv6_find_idev+0x102/0x170 [ 6658.844014][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6658.844014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6658.844014][ T7704] netlink_rcv_skb+0x130/0x360 [ 6658.844014][ T7704] netlink_unicast+0x449/0x710 [ 6658.844014][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6658.844014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6658.844014][ T7704] ___sys_sendmsg+0xee/0x170 [ 6658.844014][ T7704] __sys_sendmsg+0xcd/0x170 [ 6658.844014][ T7704] do_syscall_64+0xc6/0x1e0 [ 6658.844014][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6658.844014][ T7704] [ 6658.845713][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6658.845713][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6658.845713][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6658.845713][ T7704] ipv6_find_idev+0x102/0x170 [ 6658.845713][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6658.845713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6658.845713][ T7704] netlink_rcv_skb+0x130/0x360 [ 6658.845713][ T7704] netlink_unicast+0x449/0x710 [ 6658.845713][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6658.845713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6658.845713][ T7704] ___sys_sendmsg+0xee/0x170 [ 6658.845713][ T7704] __sys_sendmsg+0xcd/0x170 [ 6658.845713][ T7704] do_syscall_64+0xc6/0x1e0 [ 6658.845713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6658.845713][ T7704] [ 6669.084816][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6669.085298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6669.085298][ T7704] netdev_get_by_index+0x5e/0x80 [ 6669.085298][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6669.085298][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6669.085298][ T7704] ip6_route_add+0x1c/0x140 [ 6669.085298][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6669.085298][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6669.085298][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6669.085298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6669.085298][ T7704] netlink_rcv_skb+0x130/0x360 [ 6669.085298][ T7704] netlink_unicast+0x449/0x710 [ 6669.085298][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6669.085298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6669.085298][ T7704] ___sys_sendmsg+0xee/0x170 [ 6669.085298][ T7704] __sys_sendmsg+0xcd/0x170 [ 6669.085298][ T7704] do_syscall_64+0xc6/0x1e0 [ 6669.085298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6669.085298][ T7704] [ 6669.087546][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6669.087546][ T7704] netdev_get_by_index+0x5e/0x80 [ 6669.087546][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6669.087546][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6669.087546][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6669.087546][ T7704] ipv6_add_addr+0x411/0x2000 [ 6669.087546][ T7704] inet6_addr_add+0x30e/0xa40 [ 6669.087546][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6669.087546][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6669.087546][ T7704] netlink_rcv_skb+0x130/0x360 [ 6669.087546][ T7704] netlink_unicast+0x449/0x710 [ 6669.087546][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6669.087546][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6669.087546][ T7704] ___sys_sendmsg+0xee/0x170 [ 6669.087546][ T7704] __sys_sendmsg+0xcd/0x170 [ 6669.087546][ T7704] do_syscall_64+0xc6/0x1e0 [ 6669.087546][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6669.087546][ T7704] [ 6669.089801][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6669.089801][ T7704] netdev_get_by_index+0x5e/0x80 [ 6669.089801][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6669.089801][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6669.089801][ T7704] ip6_route_add+0x1c/0x140 [ 6669.089801][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6669.089801][ T7704] addrconf_add_dev+0xe2/0x170 [ 6669.089801][ T7704] inet6_addr_add+0x12f/0xa40 [ 6669.089801][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6669.089801][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6669.089801][ T7704] netlink_rcv_skb+0x130/0x360 [ 6669.089801][ T7704] netlink_unicast+0x449/0x710 [ 6669.089801][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6669.089801][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6669.089801][ T7704] ___sys_sendmsg+0xee/0x170 [ 6669.089801][ T7704] __sys_sendmsg+0xcd/0x170 [ 6669.089801][ T7704] do_syscall_64+0xc6/0x1e0 [ 6669.089801][ T7704] [ 6669.092510][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6669.092510][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6669.092510][ T7704] ipv6_find_idev+0x102/0x170 [ 6669.092510][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6669.092510][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6669.092510][ T7704] netlink_rcv_skb+0x130/0x360 [ 6669.092510][ T7704] netlink_unicast+0x449/0x710 [ 6669.092510][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6669.092510][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6669.092510][ T7704] ___sys_sendmsg+0xee/0x170 [ 6669.092510][ T7704] __sys_sendmsg+0xcd/0x170 [ 6669.092510][ T7704] do_syscall_64+0xc6/0x1e0 [ 6669.092510][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6669.092510][ T7704] [ 6669.094221][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6669.094221][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6669.094221][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6669.094221][ T7704] ipv6_find_idev+0x102/0x170 [ 6669.094221][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6669.094221][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6669.094221][ T7704] netlink_rcv_skb+0x130/0x360 [ 6669.094221][ T7704] netlink_unicast+0x449/0x710 [ 6669.094221][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6669.094221][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6669.094221][ T7704] ___sys_sendmsg+0xee/0x170 [ 6669.094221][ T7704] __sys_sendmsg+0xcd/0x170 [ 6669.094221][ T7704] do_syscall_64+0xc6/0x1e0 [ 6669.094221][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6669.094221][ T7704] [ 6679.332815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6679.333285][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6679.333285][ T7704] netdev_get_by_index+0x5e/0x80 [ 6679.333285][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6679.333285][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6679.333285][ T7704] ip6_route_add+0x1c/0x140 [ 6679.333285][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6679.333285][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6679.333285][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6679.333285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6679.333285][ T7704] netlink_rcv_skb+0x130/0x360 [ 6679.333285][ T7704] netlink_unicast+0x449/0x710 [ 6679.333285][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6679.333285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6679.333285][ T7704] ___sys_sendmsg+0xee/0x170 [ 6679.333285][ T7704] __sys_sendmsg+0xcd/0x170 [ 6679.333285][ T7704] do_syscall_64+0xc6/0x1e0 [ 6679.333285][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6679.333285][ T7704] [ 6679.335516][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6679.335516][ T7704] netdev_get_by_index+0x5e/0x80 [ 6679.335516][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6679.335516][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6679.335516][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6679.335516][ T7704] ipv6_add_addr+0x411/0x2000 [ 6679.335516][ T7704] inet6_addr_add+0x30e/0xa40 [ 6679.335516][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6679.335516][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6679.335516][ T7704] netlink_rcv_skb+0x130/0x360 [ 6679.335516][ T7704] netlink_unicast+0x449/0x710 [ 6679.335516][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6679.335516][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6679.335516][ T7704] ___sys_sendmsg+0xee/0x170 [ 6679.335516][ T7704] __sys_sendmsg+0xcd/0x170 [ 6679.335516][ T7704] do_syscall_64+0xc6/0x1e0 [ 6679.335516][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6679.335516][ T7704] [ 6679.337716][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6679.337716][ T7704] netdev_get_by_index+0x5e/0x80 [ 6679.337716][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6679.337716][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6679.337716][ T7704] ip6_route_add+0x1c/0x140 [ 6679.337716][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6679.337716][ T7704] addrconf_add_dev+0xe2/0x170 [ 6679.337716][ T7704] inet6_addr_add+0x12f/0xa40 [ 6679.337716][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6679.337716][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6679.337716][ T7704] netlink_rcv_skb+0x130/0x360 [ 6679.337716][ T7704] netlink_unicast+0x449/0x710 [ 6679.337716][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6679.337716][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6679.337716][ T7704] ___sys_sendmsg+0xee/0x170 [ 6679.337716][ T7704] __sys_sendmsg+0xcd/0x170 [ 6679.337716][ T7704] do_syscall_64+0xc6/0x1e0 [ 6679.337716][ T7704] [ 6679.339893][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6679.339893][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6679.339893][ T7704] ipv6_find_idev+0x102/0x170 [ 6679.339893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6679.339893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6679.339893][ T7704] netlink_rcv_skb+0x130/0x360 [ 6679.339893][ T7704] netlink_unicast+0x449/0x710 [ 6679.339893][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6679.339893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6679.339893][ T7704] ___sys_sendmsg+0xee/0x170 [ 6679.339893][ T7704] __sys_sendmsg+0xcd/0x170 [ 6679.339893][ T7704] do_syscall_64+0xc6/0x1e0 [ 6679.339893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6679.339893][ T7704] [ 6679.341580][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6679.341580][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6679.341580][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6679.341580][ T7704] ipv6_find_idev+0x102/0x170 [ 6679.341580][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6679.341580][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6679.341580][ T7704] netlink_rcv_skb+0x130/0x360 [ 6679.341580][ T7704] netlink_unicast+0x449/0x710 [ 6679.341580][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6679.341580][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6679.341580][ T7704] ___sys_sendmsg+0xee/0x170 [ 6679.341580][ T7704] __sys_sendmsg+0xcd/0x170 [ 6679.341580][ T7704] do_syscall_64+0xc6/0x1e0 [ 6679.341580][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6679.341580][ T7704] [ 6689.580855][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6689.581326][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6689.581326][ T7704] netdev_get_by_index+0x5e/0x80 [ 6689.581326][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6689.581326][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6689.581326][ T7704] ip6_route_add+0x1c/0x140 [ 6689.581326][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6689.581326][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6689.581326][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6689.581326][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6689.581326][ T7704] netlink_rcv_skb+0x130/0x360 [ 6689.581326][ T7704] netlink_unicast+0x449/0x710 [ 6689.581326][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6689.581326][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6689.581326][ T7704] ___sys_sendmsg+0xee/0x170 [ 6689.581326][ T7704] __sys_sendmsg+0xcd/0x170 [ 6689.581326][ T7704] do_syscall_64+0xc6/0x1e0 [ 6689.581326][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6689.581326][ T7704] [ 6689.583620][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6689.583620][ T7704] netdev_get_by_index+0x5e/0x80 [ 6689.583620][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6689.583620][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6689.583620][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6689.583620][ T7704] ipv6_add_addr+0x411/0x2000 [ 6689.583620][ T7704] inet6_addr_add+0x30e/0xa40 [ 6689.583620][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6689.583620][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6689.583620][ T7704] netlink_rcv_skb+0x130/0x360 [ 6689.583620][ T7704] netlink_unicast+0x449/0x710 [ 6689.583620][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6689.583620][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6689.583620][ T7704] ___sys_sendmsg+0xee/0x170 [ 6689.583620][ T7704] __sys_sendmsg+0xcd/0x170 [ 6689.583620][ T7704] do_syscall_64+0xc6/0x1e0 [ 6689.583620][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6689.583620][ T7704] [ 6689.585995][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6689.585995][ T7704] netdev_get_by_index+0x5e/0x80 [ 6689.585995][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6689.585995][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6689.585995][ T7704] ip6_route_add+0x1c/0x140 [ 6689.585995][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6689.585995][ T7704] addrconf_add_dev+0xe2/0x170 [ 6689.585995][ T7704] inet6_addr_add+0x12f/0xa40 [ 6689.585995][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6689.585995][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6689.585995][ T7704] netlink_rcv_skb+0x130/0x360 [ 6689.585995][ T7704] netlink_unicast+0x449/0x710 [ 6689.585995][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6689.585995][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6689.585995][ T7704] ___sys_sendmsg+0xee/0x170 [ 6689.585995][ T7704] __sys_sendmsg+0xcd/0x170 [ 6689.585995][ T7704] do_syscall_64+0xc6/0x1e0 [ 6689.585995][ T7704] [ 6689.588739][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6689.588739][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6689.588739][ T7704] ipv6_find_idev+0x102/0x170 [ 6689.588739][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6689.588739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6689.588739][ T7704] netlink_rcv_skb+0x130/0x360 [ 6689.588739][ T7704] netlink_unicast+0x449/0x710 [ 6689.588739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6689.588739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6689.588739][ T7704] ___sys_sendmsg+0xee/0x170 [ 6689.588739][ T7704] __sys_sendmsg+0xcd/0x170 [ 6689.588739][ T7704] do_syscall_64+0xc6/0x1e0 [ 6689.588739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6689.588739][ T7704] [ 6689.590892][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6689.590892][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6689.590892][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6689.590892][ T7704] ipv6_find_idev+0x102/0x170 [ 6689.590892][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6689.590892][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6689.590892][ T7704] netlink_rcv_skb+0x130/0x360 [ 6689.590892][ T7704] netlink_unicast+0x449/0x710 [ 6689.590892][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6689.590892][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6689.590892][ T7704] ___sys_sendmsg+0xee/0x170 [ 6689.590892][ T7704] __sys_sendmsg+0xcd/0x170 [ 6689.590892][ T7704] do_syscall_64+0xc6/0x1e0 [ 6689.590892][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6689.590892][ T7704] [ 6699.828797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6699.829327][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6699.829327][ T7704] netdev_get_by_index+0x5e/0x80 [ 6699.829327][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6699.829327][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6699.829327][ T7704] ip6_route_add+0x1c/0x140 [ 6699.829327][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6699.829327][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6699.829327][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6699.829327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6699.829327][ T7704] netlink_rcv_skb+0x130/0x360 [ 6699.829327][ T7704] netlink_unicast+0x449/0x710 [ 6699.829327][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6699.829327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6699.829327][ T7704] ___sys_sendmsg+0xee/0x170 [ 6699.829327][ T7704] __sys_sendmsg+0xcd/0x170 [ 6699.829327][ T7704] do_syscall_64+0xc6/0x1e0 [ 6699.829327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6699.829327][ T7704] [ 6699.831570][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6699.831570][ T7704] netdev_get_by_index+0x5e/0x80 [ 6699.831570][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6699.831570][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6699.831570][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6699.831570][ T7704] ipv6_add_addr+0x411/0x2000 [ 6699.831570][ T7704] inet6_addr_add+0x30e/0xa40 [ 6699.831570][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6699.831570][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6699.831570][ T7704] netlink_rcv_skb+0x130/0x360 [ 6699.831570][ T7704] netlink_unicast+0x449/0x710 [ 6699.831570][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6699.831570][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6699.831570][ T7704] ___sys_sendmsg+0xee/0x170 [ 6699.831570][ T7704] __sys_sendmsg+0xcd/0x170 [ 6699.831570][ T7704] do_syscall_64+0xc6/0x1e0 [ 6699.831570][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6699.831570][ T7704] [ 6699.833737][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6699.833737][ T7704] netdev_get_by_index+0x5e/0x80 [ 6699.833737][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6699.833737][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6699.833737][ T7704] ip6_route_add+0x1c/0x140 [ 6699.833737][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6699.833737][ T7704] addrconf_add_dev+0xe2/0x170 [ 6699.833737][ T7704] inet6_addr_add+0x12f/0xa40 [ 6699.833737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6699.833737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6699.833737][ T7704] netlink_rcv_skb+0x130/0x360 [ 6699.833737][ T7704] netlink_unicast+0x449/0x710 [ 6699.833737][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6699.833737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6699.833737][ T7704] ___sys_sendmsg+0xee/0x170 [ 6699.833737][ T7704] __sys_sendmsg+0xcd/0x170 [ 6699.833737][ T7704] do_syscall_64+0xc6/0x1e0 [ 6699.833737][ T7704] [ 6699.835882][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6699.835882][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6699.835882][ T7704] ipv6_find_idev+0x102/0x170 [ 6699.835882][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6699.835882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6699.835882][ T7704] netlink_rcv_skb+0x130/0x360 [ 6699.835882][ T7704] netlink_unicast+0x449/0x710 [ 6699.835882][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6699.835882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6699.835882][ T7704] ___sys_sendmsg+0xee/0x170 [ 6699.835882][ T7704] __sys_sendmsg+0xcd/0x170 [ 6699.835882][ T7704] do_syscall_64+0xc6/0x1e0 [ 6699.835882][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6699.835882][ T7704] [ 6699.837546][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6699.837546][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6699.837546][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6699.837546][ T7704] ipv6_find_idev+0x102/0x170 [ 6699.837546][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6699.837546][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6699.837546][ T7704] netlink_rcv_skb+0x130/0x360 [ 6699.837546][ T7704] netlink_unicast+0x449/0x710 [ 6699.837546][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6699.837546][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6699.837546][ T7704] ___sys_sendmsg+0xee/0x170 [ 6699.837546][ T7704] __sys_sendmsg+0xcd/0x170 [ 6699.837546][ T7704] do_syscall_64+0xc6/0x1e0 [ 6699.837546][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6699.837546][ T7704] [ 6710.076798][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6710.077268][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6710.077268][ T7704] netdev_get_by_index+0x5e/0x80 [ 6710.077268][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6710.077268][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6710.077268][ T7704] ip6_route_add+0x1c/0x140 [ 6710.077268][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6710.077268][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6710.077268][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6710.077268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6710.077268][ T7704] netlink_rcv_skb+0x130/0x360 [ 6710.077268][ T7704] netlink_unicast+0x449/0x710 [ 6710.077268][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6710.077268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6710.077268][ T7704] ___sys_sendmsg+0xee/0x170 [ 6710.077268][ T7704] __sys_sendmsg+0xcd/0x170 [ 6710.077268][ T7704] do_syscall_64+0xc6/0x1e0 [ 6710.077268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6710.077268][ T7704] [ 6710.079494][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6710.079494][ T7704] netdev_get_by_index+0x5e/0x80 [ 6710.079494][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6710.079494][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6710.079494][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6710.079494][ T7704] ipv6_add_addr+0x411/0x2000 [ 6710.079494][ T7704] inet6_addr_add+0x30e/0xa40 [ 6710.079494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6710.079494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6710.079494][ T7704] netlink_rcv_skb+0x130/0x360 [ 6710.079494][ T7704] netlink_unicast+0x449/0x710 [ 6710.079494][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6710.079494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6710.079494][ T7704] ___sys_sendmsg+0xee/0x170 [ 6710.079494][ T7704] __sys_sendmsg+0xcd/0x170 [ 6710.079494][ T7704] do_syscall_64+0xc6/0x1e0 [ 6710.079494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6710.079494][ T7704] [ 6710.082232][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6710.082232][ T7704] netdev_get_by_index+0x5e/0x80 [ 6710.082232][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6710.082232][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6710.082232][ T7704] ip6_route_add+0x1c/0x140 [ 6710.082232][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6710.082232][ T7704] addrconf_add_dev+0xe2/0x170 [ 6710.082232][ T7704] inet6_addr_add+0x12f/0xa40 [ 6710.082232][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6710.082232][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6710.082232][ T7704] netlink_rcv_skb+0x130/0x360 [ 6710.082232][ T7704] netlink_unicast+0x449/0x710 [ 6710.082232][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6710.082232][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6710.082232][ T7704] ___sys_sendmsg+0xee/0x170 [ 6710.082232][ T7704] __sys_sendmsg+0xcd/0x170 [ 6710.082232][ T7704] do_syscall_64+0xc6/0x1e0 [ 6710.082232][ T7704] [ 6710.084401][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6710.084401][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6710.084401][ T7704] ipv6_find_idev+0x102/0x170 [ 6710.084401][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6710.084401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6710.084401][ T7704] netlink_rcv_skb+0x130/0x360 [ 6710.084401][ T7704] netlink_unicast+0x449/0x710 [ 6710.084401][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6710.084401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6710.084401][ T7704] ___sys_sendmsg+0xee/0x170 [ 6710.084401][ T7704] __sys_sendmsg+0xcd/0x170 [ 6710.084401][ T7704] do_syscall_64+0xc6/0x1e0 [ 6710.084401][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6710.084401][ T7704] [ 6710.086082][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6710.086082][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6710.086082][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6710.086082][ T7704] ipv6_find_idev+0x102/0x170 [ 6710.086082][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6710.086082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6710.086082][ T7704] netlink_rcv_skb+0x130/0x360 [ 6710.086082][ T7704] netlink_unicast+0x449/0x710 [ 6710.086082][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6710.086082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6710.086082][ T7704] ___sys_sendmsg+0xee/0x170 [ 6710.086082][ T7704] __sys_sendmsg+0xcd/0x170 [ 6710.086082][ T7704] do_syscall_64+0xc6/0x1e0 [ 6710.086082][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6710.086082][ T7704] [ 6720.324800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6720.325283][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6720.325283][ T7704] netdev_get_by_index+0x5e/0x80 [ 6720.325283][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6720.325283][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6720.325283][ T7704] ip6_route_add+0x1c/0x140 [ 6720.325283][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6720.325283][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6720.325283][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6720.325283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6720.325283][ T7704] netlink_rcv_skb+0x130/0x360 [ 6720.325283][ T7704] netlink_unicast+0x449/0x710 [ 6720.325283][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6720.325283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6720.325283][ T7704] ___sys_sendmsg+0xee/0x170 [ 6720.325283][ T7704] __sys_sendmsg+0xcd/0x170 [ 6720.325283][ T7704] do_syscall_64+0xc6/0x1e0 [ 6720.325283][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6720.325283][ T7704] [ 6720.327499][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6720.327499][ T7704] netdev_get_by_index+0x5e/0x80 [ 6720.327499][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6720.327499][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6720.327499][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6720.327499][ T7704] ipv6_add_addr+0x411/0x2000 [ 6720.327499][ T7704] inet6_addr_add+0x30e/0xa40 [ 6720.327499][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6720.327499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6720.327499][ T7704] netlink_rcv_skb+0x130/0x360 [ 6720.327499][ T7704] netlink_unicast+0x449/0x710 [ 6720.327499][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6720.327499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6720.327499][ T7704] ___sys_sendmsg+0xee/0x170 [ 6720.327499][ T7704] __sys_sendmsg+0xcd/0x170 [ 6720.327499][ T7704] do_syscall_64+0xc6/0x1e0 [ 6720.327499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6720.327499][ T7704] [ 6720.329711][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6720.329711][ T7704] netdev_get_by_index+0x5e/0x80 [ 6720.329711][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6720.329711][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6720.329711][ T7704] ip6_route_add+0x1c/0x140 [ 6720.329711][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6720.329711][ T7704] addrconf_add_dev+0xe2/0x170 [ 6720.329711][ T7704] inet6_addr_add+0x12f/0xa40 [ 6720.329711][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6720.329711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6720.329711][ T7704] netlink_rcv_skb+0x130/0x360 [ 6720.329711][ T7704] netlink_unicast+0x449/0x710 [ 6720.329711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6720.329711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6720.329711][ T7704] ___sys_sendmsg+0xee/0x170 [ 6720.329711][ T7704] __sys_sendmsg+0xcd/0x170 [ 6720.329711][ T7704] do_syscall_64+0xc6/0x1e0 [ 6720.329711][ T7704] [ 6720.331882][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6720.331882][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6720.331882][ T7704] ipv6_find_idev+0x102/0x170 [ 6720.331882][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6720.331882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6720.331882][ T7704] netlink_rcv_skb+0x130/0x360 [ 6720.331882][ T7704] netlink_unicast+0x449/0x710 [ 6720.331882][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6720.331882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6720.331882][ T7704] ___sys_sendmsg+0xee/0x170 [ 6720.331882][ T7704] __sys_sendmsg+0xcd/0x170 [ 6720.331882][ T7704] do_syscall_64+0xc6/0x1e0 [ 6720.331882][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6720.331882][ T7704] [ 6720.333594][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6720.333594][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6720.333594][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6720.333594][ T7704] ipv6_find_idev+0x102/0x170 [ 6720.333594][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6720.333594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6720.333594][ T7704] netlink_rcv_skb+0x130/0x360 [ 6720.333594][ T7704] netlink_unicast+0x449/0x710 [ 6720.333594][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6720.333594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6720.333594][ T7704] ___sys_sendmsg+0xee/0x170 [ 6720.333594][ T7704] __sys_sendmsg+0xcd/0x170 [ 6720.333594][ T7704] do_syscall_64+0xc6/0x1e0 [ 6720.333594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6720.333594][ T7704] [ 6730.572810][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6730.573318][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6730.573318][ T7704] netdev_get_by_index+0x5e/0x80 [ 6730.573318][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6730.573318][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6730.573318][ T7704] ip6_route_add+0x1c/0x140 [ 6730.573318][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6730.573318][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6730.573318][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6730.573318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6730.573318][ T7704] netlink_rcv_skb+0x130/0x360 [ 6730.573318][ T7704] netlink_unicast+0x449/0x710 [ 6730.573318][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6730.573318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6730.573318][ T7704] ___sys_sendmsg+0xee/0x170 [ 6730.573318][ T7704] __sys_sendmsg+0xcd/0x170 [ 6730.573318][ T7704] do_syscall_64+0xc6/0x1e0 [ 6730.573318][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6730.573318][ T7704] [ 6730.575604][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6730.575604][ T7704] netdev_get_by_index+0x5e/0x80 [ 6730.575604][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6730.575604][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6730.575604][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6730.575604][ T7704] ipv6_add_addr+0x411/0x2000 [ 6730.575604][ T7704] inet6_addr_add+0x30e/0xa40 [ 6730.575604][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6730.575604][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6730.575604][ T7704] netlink_rcv_skb+0x130/0x360 [ 6730.575604][ T7704] netlink_unicast+0x449/0x710 [ 6730.575604][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6730.575604][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6730.575604][ T7704] ___sys_sendmsg+0xee/0x170 [ 6730.575604][ T7704] __sys_sendmsg+0xcd/0x170 [ 6730.575604][ T7704] do_syscall_64+0xc6/0x1e0 [ 6730.575604][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6730.575604][ T7704] [ 6730.577834][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6730.577834][ T7704] netdev_get_by_index+0x5e/0x80 [ 6730.577834][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6730.577834][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6730.577834][ T7704] ip6_route_add+0x1c/0x140 [ 6730.577834][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6730.577834][ T7704] addrconf_add_dev+0xe2/0x170 [ 6730.577834][ T7704] inet6_addr_add+0x12f/0xa40 [ 6730.577834][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6730.577834][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6730.577834][ T7704] netlink_rcv_skb+0x130/0x360 [ 6730.577834][ T7704] netlink_unicast+0x449/0x710 [ 6730.577834][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6730.577834][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6730.577834][ T7704] ___sys_sendmsg+0xee/0x170 [ 6730.577834][ T7704] __sys_sendmsg+0xcd/0x170 [ 6730.577834][ T7704] do_syscall_64+0xc6/0x1e0 [ 6730.577834][ T7704] [ 6730.580025][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6730.580025][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6730.580025][ T7704] ipv6_find_idev+0x102/0x170 [ 6730.580025][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6730.580025][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6730.580025][ T7704] netlink_rcv_skb+0x130/0x360 [ 6730.580025][ T7704] netlink_unicast+0x449/0x710 [ 6730.580025][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6730.580025][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6730.580025][ T7704] ___sys_sendmsg+0xee/0x170 [ 6730.580025][ T7704] __sys_sendmsg+0xcd/0x170 [ 6730.580025][ T7704] do_syscall_64+0xc6/0x1e0 [ 6730.580025][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6730.580025][ T7704] [ 6730.581717][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6730.581717][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6730.581717][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6730.581717][ T7704] ipv6_find_idev+0x102/0x170 [ 6730.581717][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6730.581717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6730.581717][ T7704] netlink_rcv_skb+0x130/0x360 [ 6730.581717][ T7704] netlink_unicast+0x449/0x710 [ 6730.581717][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6730.581717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6730.581717][ T7704] ___sys_sendmsg+0xee/0x170 [ 6730.581717][ T7704] __sys_sendmsg+0xcd/0x170 [ 6730.581717][ T7704] do_syscall_64+0xc6/0x1e0 [ 6730.581717][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6730.581717][ T7704] [ 6740.668804][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6740.669309][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6740.669309][ T7704] netdev_get_by_index+0x5e/0x80 [ 6740.669309][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6740.669309][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6740.669309][ T7704] ip6_route_add+0x1c/0x140 [ 6740.669309][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6740.669309][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6740.669309][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6740.669309][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6740.669309][ T7704] netlink_rcv_skb+0x130/0x360 [ 6740.669309][ T7704] netlink_unicast+0x449/0x710 [ 6740.669309][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6740.669309][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6740.669309][ T7704] ___sys_sendmsg+0xee/0x170 [ 6740.669309][ T7704] __sys_sendmsg+0xcd/0x170 [ 6740.669309][ T7704] do_syscall_64+0xc6/0x1e0 [ 6740.669309][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6740.669309][ T7704] [ 6740.671579][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6740.671579][ T7704] netdev_get_by_index+0x5e/0x80 [ 6740.671579][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6740.671579][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6740.671579][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6740.671579][ T7704] ipv6_add_addr+0x411/0x2000 [ 6740.671579][ T7704] inet6_addr_add+0x30e/0xa40 [ 6740.671579][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6740.671579][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6740.671579][ T7704] netlink_rcv_skb+0x130/0x360 [ 6740.671579][ T7704] netlink_unicast+0x449/0x710 [ 6740.671579][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6740.671579][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6740.671579][ T7704] ___sys_sendmsg+0xee/0x170 [ 6740.671579][ T7704] __sys_sendmsg+0xcd/0x170 [ 6740.671579][ T7704] do_syscall_64+0xc6/0x1e0 [ 6740.671579][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6740.671579][ T7704] [ 6740.673838][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6740.673838][ T7704] netdev_get_by_index+0x5e/0x80 [ 6740.673838][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6740.673838][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6740.673838][ T7704] ip6_route_add+0x1c/0x140 [ 6740.673838][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6740.673838][ T7704] addrconf_add_dev+0xe2/0x170 [ 6740.673838][ T7704] inet6_addr_add+0x12f/0xa40 [ 6740.673838][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6740.673838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6740.673838][ T7704] netlink_rcv_skb+0x130/0x360 [ 6740.673838][ T7704] netlink_unicast+0x449/0x710 [ 6740.673838][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6740.673838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6740.673838][ T7704] ___sys_sendmsg+0xee/0x170 [ 6740.673838][ T7704] __sys_sendmsg+0xcd/0x170 [ 6740.673838][ T7704] do_syscall_64+0xc6/0x1e0 [ 6740.673838][ T7704] [ 6740.676024][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6740.676024][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6740.676024][ T7704] ipv6_find_idev+0x102/0x170 [ 6740.676024][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6740.676024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6740.676024][ T7704] netlink_rcv_skb+0x130/0x360 [ 6740.676024][ T7704] netlink_unicast+0x449/0x710 [ 6740.676024][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6740.676024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6740.676024][ T7704] ___sys_sendmsg+0xee/0x170 [ 6740.676024][ T7704] __sys_sendmsg+0xcd/0x170 [ 6740.676024][ T7704] do_syscall_64+0xc6/0x1e0 [ 6740.676024][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6740.676024][ T7704] [ 6740.677723][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6740.677723][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6740.677723][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6740.677723][ T7704] ipv6_find_idev+0x102/0x170 [ 6740.677723][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6740.677723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6740.677723][ T7704] netlink_rcv_skb+0x130/0x360 [ 6740.677723][ T7704] netlink_unicast+0x449/0x710 [ 6740.677723][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6740.677723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6740.677723][ T7704] ___sys_sendmsg+0xee/0x170 [ 6740.677723][ T7704] __sys_sendmsg+0xcd/0x170 [ 6740.677723][ T7704] do_syscall_64+0xc6/0x1e0 [ 6740.677723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6740.677723][ T7704] [ 6750.916829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6750.917303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6750.917303][ T7704] netdev_get_by_index+0x5e/0x80 [ 6750.917303][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6750.917303][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6750.917303][ T7704] ip6_route_add+0x1c/0x140 [ 6750.917303][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6750.917303][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6750.917303][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6750.917303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6750.917303][ T7704] netlink_rcv_skb+0x130/0x360 [ 6750.917303][ T7704] netlink_unicast+0x449/0x710 [ 6750.917303][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6750.917303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6750.917303][ T7704] ___sys_sendmsg+0xee/0x170 [ 6750.917303][ T7704] __sys_sendmsg+0xcd/0x170 [ 6750.917303][ T7704] do_syscall_64+0xc6/0x1e0 [ 6750.917303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6750.917303][ T7704] [ 6750.919712][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6750.919712][ T7704] netdev_get_by_index+0x5e/0x80 [ 6750.919712][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6750.919712][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6750.919712][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6750.919712][ T7704] ipv6_add_addr+0x411/0x2000 [ 6750.919712][ T7704] inet6_addr_add+0x30e/0xa40 [ 6750.919712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6750.919712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6750.919712][ T7704] netlink_rcv_skb+0x130/0x360 [ 6750.919712][ T7704] netlink_unicast+0x449/0x710 [ 6750.919712][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6750.919712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6750.919712][ T7704] ___sys_sendmsg+0xee/0x170 [ 6750.919712][ T7704] __sys_sendmsg+0xcd/0x170 [ 6750.919712][ T7704] do_syscall_64+0xc6/0x1e0 [ 6750.919712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6750.919712][ T7704] [ 6750.921917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6750.921917][ T7704] netdev_get_by_index+0x5e/0x80 [ 6750.921917][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6750.921917][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6750.921917][ T7704] ip6_route_add+0x1c/0x140 [ 6750.921917][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6750.921917][ T7704] addrconf_add_dev+0xe2/0x170 [ 6750.921917][ T7704] inet6_addr_add+0x12f/0xa40 [ 6750.921917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6750.921917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6750.921917][ T7704] netlink_rcv_skb+0x130/0x360 [ 6750.921917][ T7704] netlink_unicast+0x449/0x710 [ 6750.921917][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6750.921917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6750.921917][ T7704] ___sys_sendmsg+0xee/0x170 [ 6750.921917][ T7704] __sys_sendmsg+0xcd/0x170 [ 6750.921917][ T7704] do_syscall_64+0xc6/0x1e0 [ 6750.921917][ T7704] [ 6750.924155][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6750.924155][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6750.924155][ T7704] ipv6_find_idev+0x102/0x170 [ 6750.924155][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6750.924155][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6750.924155][ T7704] netlink_rcv_skb+0x130/0x360 [ 6750.924155][ T7704] netlink_unicast+0x449/0x710 [ 6750.924155][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6750.924155][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6750.924155][ T7704] ___sys_sendmsg+0xee/0x170 [ 6750.924155][ T7704] __sys_sendmsg+0xcd/0x170 [ 6750.924155][ T7704] do_syscall_64+0xc6/0x1e0 [ 6750.924155][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6750.924155][ T7704] [ 6750.925898][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6750.925898][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6750.925898][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6750.925898][ T7704] ipv6_find_idev+0x102/0x170 [ 6750.925898][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6750.925898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6750.925898][ T7704] netlink_rcv_skb+0x130/0x360 [ 6750.925898][ T7704] netlink_unicast+0x449/0x710 [ 6750.925898][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6750.925898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6750.925898][ T7704] ___sys_sendmsg+0xee/0x170 [ 6750.925898][ T7704] __sys_sendmsg+0xcd/0x170 [ 6750.925898][ T7704] do_syscall_64+0xc6/0x1e0 [ 6750.925898][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6750.925898][ T7704] [ 6761.164824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6761.165294][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6761.165294][ T7704] netdev_get_by_index+0x5e/0x80 [ 6761.165294][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6761.165294][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6761.165294][ T7704] ip6_route_add+0x1c/0x140 [ 6761.165294][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6761.165294][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6761.165294][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6761.165294][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6761.165294][ T7704] netlink_rcv_skb+0x130/0x360 [ 6761.165294][ T7704] netlink_unicast+0x449/0x710 [ 6761.165294][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6761.165294][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6761.165294][ T7704] ___sys_sendmsg+0xee/0x170 [ 6761.165294][ T7704] __sys_sendmsg+0xcd/0x170 [ 6761.165294][ T7704] do_syscall_64+0xc6/0x1e0 [ 6761.165294][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6761.165294][ T7704] [ 6761.167563][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6761.167563][ T7704] netdev_get_by_index+0x5e/0x80 [ 6761.167563][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6761.167563][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6761.167563][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6761.167563][ T7704] ipv6_add_addr+0x411/0x2000 [ 6761.167563][ T7704] inet6_addr_add+0x30e/0xa40 [ 6761.167563][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6761.167563][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6761.167563][ T7704] netlink_rcv_skb+0x130/0x360 [ 6761.167563][ T7704] netlink_unicast+0x449/0x710 [ 6761.167563][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6761.167563][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6761.167563][ T7704] ___sys_sendmsg+0xee/0x170 [ 6761.167563][ T7704] __sys_sendmsg+0xcd/0x170 [ 6761.167563][ T7704] do_syscall_64+0xc6/0x1e0 [ 6761.167563][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6761.167563][ T7704] [ 6761.169793][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6761.169793][ T7704] netdev_get_by_index+0x5e/0x80 [ 6761.169793][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6761.169793][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6761.169793][ T7704] ip6_route_add+0x1c/0x140 [ 6761.169793][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6761.169793][ T7704] addrconf_add_dev+0xe2/0x170 [ 6761.169793][ T7704] inet6_addr_add+0x12f/0xa40 [ 6761.169793][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6761.169793][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6761.169793][ T7704] netlink_rcv_skb+0x130/0x360 [ 6761.169793][ T7704] netlink_unicast+0x449/0x710 [ 6761.169793][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6761.169793][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6761.169793][ T7704] ___sys_sendmsg+0xee/0x170 [ 6761.169793][ T7704] __sys_sendmsg+0xcd/0x170 [ 6761.169793][ T7704] do_syscall_64+0xc6/0x1e0 [ 6761.169793][ T7704] [ 6761.171982][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6761.171982][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6761.171982][ T7704] ipv6_find_idev+0x102/0x170 [ 6761.171982][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6761.171982][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6761.171982][ T7704] netlink_rcv_skb+0x130/0x360 [ 6761.171982][ T7704] netlink_unicast+0x449/0x710 [ 6761.171982][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6761.171982][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6761.171982][ T7704] ___sys_sendmsg+0xee/0x170 [ 6761.171982][ T7704] __sys_sendmsg+0xcd/0x170 [ 6761.171982][ T7704] do_syscall_64+0xc6/0x1e0 [ 6761.171982][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6761.171982][ T7704] [ 6761.173697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6761.173697][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6761.173697][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6761.173697][ T7704] ipv6_find_idev+0x102/0x170 [ 6761.173697][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6761.173697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6761.173697][ T7704] netlink_rcv_skb+0x130/0x360 [ 6761.173697][ T7704] netlink_unicast+0x449/0x710 [ 6761.173697][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6761.173697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6761.173697][ T7704] ___sys_sendmsg+0xee/0x170 [ 6761.173697][ T7704] __sys_sendmsg+0xcd/0x170 [ 6761.173697][ T7704] do_syscall_64+0xc6/0x1e0 [ 6761.173697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6761.173697][ T7704] [ 6771.412828][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6771.413320][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6771.413320][ T7704] netdev_get_by_index+0x5e/0x80 [ 6771.413320][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6771.413320][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6771.413320][ T7704] ip6_route_add+0x1c/0x140 [ 6771.413320][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6771.413320][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6771.413320][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6771.413320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6771.413320][ T7704] netlink_rcv_skb+0x130/0x360 [ 6771.413320][ T7704] netlink_unicast+0x449/0x710 [ 6771.413320][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6771.413320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6771.413320][ T7704] ___sys_sendmsg+0xee/0x170 [ 6771.413320][ T7704] __sys_sendmsg+0xcd/0x170 [ 6771.413320][ T7704] do_syscall_64+0xc6/0x1e0 [ 6771.413320][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6771.413320][ T7704] [ 6771.415513][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6771.415513][ T7704] netdev_get_by_index+0x5e/0x80 [ 6771.415513][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6771.415513][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6771.415513][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6771.415513][ T7704] ipv6_add_addr+0x411/0x2000 [ 6771.415513][ T7704] inet6_addr_add+0x30e/0xa40 [ 6771.415513][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6771.415513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6771.415513][ T7704] netlink_rcv_skb+0x130/0x360 [ 6771.415513][ T7704] netlink_unicast+0x449/0x710 [ 6771.415513][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6771.415513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6771.415513][ T7704] ___sys_sendmsg+0xee/0x170 [ 6771.415513][ T7704] __sys_sendmsg+0xcd/0x170 [ 6771.415513][ T7704] do_syscall_64+0xc6/0x1e0 [ 6771.415513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6771.415513][ T7704] [ 6771.417688][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6771.417688][ T7704] netdev_get_by_index+0x5e/0x80 [ 6771.417688][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6771.417688][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6771.417688][ T7704] ip6_route_add+0x1c/0x140 [ 6771.417688][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6771.417688][ T7704] addrconf_add_dev+0xe2/0x170 [ 6771.417688][ T7704] inet6_addr_add+0x12f/0xa40 [ 6771.417688][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6771.417688][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6771.417688][ T7704] netlink_rcv_skb+0x130/0x360 [ 6771.417688][ T7704] netlink_unicast+0x449/0x710 [ 6771.417688][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6771.417688][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6771.417688][ T7704] ___sys_sendmsg+0xee/0x170 [ 6771.417688][ T7704] __sys_sendmsg+0xcd/0x170 [ 6771.417688][ T7704] do_syscall_64+0xc6/0x1e0 [ 6771.417688][ T7704] [ 6771.419877][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6771.419877][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6771.419877][ T7704] ipv6_find_idev+0x102/0x170 [ 6771.419877][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6771.419877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6771.419877][ T7704] netlink_rcv_skb+0x130/0x360 [ 6771.419877][ T7704] netlink_unicast+0x449/0x710 [ 6771.419877][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6771.419877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6771.419877][ T7704] ___sys_sendmsg+0xee/0x170 [ 6771.419877][ T7704] __sys_sendmsg+0xcd/0x170 [ 6771.419877][ T7704] do_syscall_64+0xc6/0x1e0 [ 6771.419877][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6771.419877][ T7704] [ 6771.421571][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6771.421571][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6771.421571][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6771.421571][ T7704] ipv6_find_idev+0x102/0x170 [ 6771.421571][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6771.421571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6771.421571][ T7704] netlink_rcv_skb+0x130/0x360 [ 6771.421571][ T7704] netlink_unicast+0x449/0x710 [ 6771.421571][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6771.421571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6771.421571][ T7704] ___sys_sendmsg+0xee/0x170 [ 6771.421571][ T7704] __sys_sendmsg+0xcd/0x170 [ 6771.421571][ T7704] do_syscall_64+0xc6/0x1e0 [ 6771.421571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6771.421571][ T7704] [ 6781.660802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6781.661275][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6781.661275][ T7704] netdev_get_by_index+0x5e/0x80 [ 6781.661275][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6781.661275][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6781.661275][ T7704] ip6_route_add+0x1c/0x140 [ 6781.661275][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6781.661275][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6781.661275][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6781.661275][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6781.661275][ T7704] netlink_rcv_skb+0x130/0x360 [ 6781.661275][ T7704] netlink_unicast+0x449/0x710 [ 6781.661275][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6781.661275][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6781.661275][ T7704] ___sys_sendmsg+0xee/0x170 [ 6781.661275][ T7704] __sys_sendmsg+0xcd/0x170 [ 6781.661275][ T7704] do_syscall_64+0xc6/0x1e0 [ 6781.661275][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6781.661275][ T7704] [ 6781.663525][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6781.663525][ T7704] netdev_get_by_index+0x5e/0x80 [ 6781.663525][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6781.663525][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6781.663525][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6781.663525][ T7704] ipv6_add_addr+0x411/0x2000 [ 6781.663525][ T7704] inet6_addr_add+0x30e/0xa40 [ 6781.663525][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6781.663525][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6781.663525][ T7704] netlink_rcv_skb+0x130/0x360 [ 6781.663525][ T7704] netlink_unicast+0x449/0x710 [ 6781.663525][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6781.663525][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6781.663525][ T7704] ___sys_sendmsg+0xee/0x170 [ 6781.663525][ T7704] __sys_sendmsg+0xcd/0x170 [ 6781.663525][ T7704] do_syscall_64+0xc6/0x1e0 [ 6781.663525][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6781.663525][ T7704] [ 6781.665749][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6781.665749][ T7704] netdev_get_by_index+0x5e/0x80 [ 6781.665749][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6781.665749][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6781.665749][ T7704] ip6_route_add+0x1c/0x140 [ 6781.665749][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6781.665749][ T7704] addrconf_add_dev+0xe2/0x170 [ 6781.665749][ T7704] inet6_addr_add+0x12f/0xa40 [ 6781.665749][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6781.665749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6781.665749][ T7704] netlink_rcv_skb+0x130/0x360 [ 6781.665749][ T7704] netlink_unicast+0x449/0x710 [ 6781.665749][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6781.665749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6781.665749][ T7704] ___sys_sendmsg+0xee/0x170 [ 6781.665749][ T7704] __sys_sendmsg+0xcd/0x170 [ 6781.665749][ T7704] do_syscall_64+0xc6/0x1e0 [ 6781.665749][ T7704] [ 6781.667931][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6781.667931][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6781.667931][ T7704] ipv6_find_idev+0x102/0x170 [ 6781.667931][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6781.667931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6781.667931][ T7704] netlink_rcv_skb+0x130/0x360 [ 6781.667931][ T7704] netlink_unicast+0x449/0x710 [ 6781.667931][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6781.667931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6781.667931][ T7704] ___sys_sendmsg+0xee/0x170 [ 6781.667931][ T7704] __sys_sendmsg+0xcd/0x170 [ 6781.667931][ T7704] do_syscall_64+0xc6/0x1e0 [ 6781.667931][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6781.667931][ T7704] [ 6781.669641][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6781.669641][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6781.669641][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6781.669641][ T7704] ipv6_find_idev+0x102/0x170 [ 6781.669641][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6781.669641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6781.669641][ T7704] netlink_rcv_skb+0x130/0x360 [ 6781.669641][ T7704] netlink_unicast+0x449/0x710 [ 6781.669641][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6781.669641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6781.669641][ T7704] ___sys_sendmsg+0xee/0x170 [ 6781.669641][ T7704] __sys_sendmsg+0xcd/0x170 [ 6781.669641][ T7704] do_syscall_64+0xc6/0x1e0 [ 6781.669641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6781.669641][ T7704] [ 6791.700744][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6791.701262][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6791.701262][ T7704] netdev_get_by_index+0x5e/0x80 [ 6791.701262][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6791.701262][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6791.701262][ T7704] ip6_route_add+0x1c/0x140 [ 6791.701262][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6791.701262][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6791.701262][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6791.701262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6791.701262][ T7704] netlink_rcv_skb+0x130/0x360 [ 6791.701262][ T7704] netlink_unicast+0x449/0x710 [ 6791.701262][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6791.701262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6791.701262][ T7704] ___sys_sendmsg+0xee/0x170 [ 6791.701262][ T7704] __sys_sendmsg+0xcd/0x170 [ 6791.701262][ T7704] do_syscall_64+0xc6/0x1e0 [ 6791.701262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6791.701262][ T7704] [ 6791.703507][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6791.703507][ T7704] netdev_get_by_index+0x5e/0x80 [ 6791.703507][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6791.703507][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6791.703507][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6791.703507][ T7704] ipv6_add_addr+0x411/0x2000 [ 6791.703507][ T7704] inet6_addr_add+0x30e/0xa40 [ 6791.703507][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6791.703507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6791.703507][ T7704] netlink_rcv_skb+0x130/0x360 [ 6791.703507][ T7704] netlink_unicast+0x449/0x710 [ 6791.703507][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6791.703507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6791.703507][ T7704] ___sys_sendmsg+0xee/0x170 [ 6791.703507][ T7704] __sys_sendmsg+0xcd/0x170 [ 6791.703507][ T7704] do_syscall_64+0xc6/0x1e0 [ 6791.703507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6791.703507][ T7704] [ 6791.705704][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6791.705704][ T7704] netdev_get_by_index+0x5e/0x80 [ 6791.705704][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6791.705704][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6791.705704][ T7704] ip6_route_add+0x1c/0x140 [ 6791.705704][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6791.705704][ T7704] addrconf_add_dev+0xe2/0x170 [ 6791.705704][ T7704] inet6_addr_add+0x12f/0xa40 [ 6791.705704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6791.705704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6791.705704][ T7704] netlink_rcv_skb+0x130/0x360 [ 6791.705704][ T7704] netlink_unicast+0x449/0x710 [ 6791.705704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6791.705704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6791.705704][ T7704] ___sys_sendmsg+0xee/0x170 [ 6791.705704][ T7704] __sys_sendmsg+0xcd/0x170 [ 6791.705704][ T7704] do_syscall_64+0xc6/0x1e0 [ 6791.705704][ T7704] [ 6791.707935][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6791.707935][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6791.707935][ T7704] ipv6_find_idev+0x102/0x170 [ 6791.707935][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6791.707935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6791.707935][ T7704] netlink_rcv_skb+0x130/0x360 [ 6791.707935][ T7704] netlink_unicast+0x449/0x710 [ 6791.707935][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6791.707935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6791.707935][ T7704] ___sys_sendmsg+0xee/0x170 [ 6791.707935][ T7704] __sys_sendmsg+0xcd/0x170 [ 6791.707935][ T7704] do_syscall_64+0xc6/0x1e0 [ 6791.707935][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6791.707935][ T7704] [ 6791.709654][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6791.709654][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6791.709654][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6791.709654][ T7704] ipv6_find_idev+0x102/0x170 [ 6791.709654][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6791.709654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6791.709654][ T7704] netlink_rcv_skb+0x130/0x360 [ 6791.709654][ T7704] netlink_unicast+0x449/0x710 [ 6791.709654][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6791.709654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6791.709654][ T7704] ___sys_sendmsg+0xee/0x170 [ 6791.709654][ T7704] __sys_sendmsg+0xcd/0x170 [ 6791.709654][ T7704] do_syscall_64+0xc6/0x1e0 [ 6791.709654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6791.709654][ T7704] [ 6801.948840][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6801.949312][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6801.949312][ T7704] netdev_get_by_index+0x5e/0x80 [ 6801.949312][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6801.949312][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6801.949312][ T7704] ip6_route_add+0x1c/0x140 [ 6801.949312][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6801.949312][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6801.949312][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6801.949312][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6801.949312][ T7704] netlink_rcv_skb+0x130/0x360 [ 6801.949312][ T7704] netlink_unicast+0x449/0x710 [ 6801.949312][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6801.949312][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6801.949312][ T7704] ___sys_sendmsg+0xee/0x170 [ 6801.949312][ T7704] __sys_sendmsg+0xcd/0x170 [ 6801.949312][ T7704] do_syscall_64+0xc6/0x1e0 [ 6801.949312][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6801.949312][ T7704] [ 6801.951561][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6801.951561][ T7704] netdev_get_by_index+0x5e/0x80 [ 6801.951561][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6801.951561][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6801.951561][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6801.951561][ T7704] ipv6_add_addr+0x411/0x2000 [ 6801.951561][ T7704] inet6_addr_add+0x30e/0xa40 [ 6801.951561][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6801.951561][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6801.951561][ T7704] netlink_rcv_skb+0x130/0x360 [ 6801.951561][ T7704] netlink_unicast+0x449/0x710 [ 6801.951561][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6801.951561][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6801.951561][ T7704] ___sys_sendmsg+0xee/0x170 [ 6801.951561][ T7704] __sys_sendmsg+0xcd/0x170 [ 6801.951561][ T7704] do_syscall_64+0xc6/0x1e0 [ 6801.951561][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6801.951561][ T7704] [ 6801.953772][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6801.953772][ T7704] netdev_get_by_index+0x5e/0x80 [ 6801.953772][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6801.953772][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6801.953772][ T7704] ip6_route_add+0x1c/0x140 [ 6801.953772][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6801.953772][ T7704] addrconf_add_dev+0xe2/0x170 [ 6801.953772][ T7704] inet6_addr_add+0x12f/0xa40 [ 6801.953772][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6801.953772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6801.953772][ T7704] netlink_rcv_skb+0x130/0x360 [ 6801.953772][ T7704] netlink_unicast+0x449/0x710 [ 6801.953772][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6801.953772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6801.953772][ T7704] ___sys_sendmsg+0xee/0x170 [ 6801.953772][ T7704] __sys_sendmsg+0xcd/0x170 [ 6801.953772][ T7704] do_syscall_64+0xc6/0x1e0 [ 6801.953772][ T7704] [ 6801.955961][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6801.955961][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6801.955961][ T7704] ipv6_find_idev+0x102/0x170 [ 6801.955961][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6801.955961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6801.955961][ T7704] netlink_rcv_skb+0x130/0x360 [ 6801.955961][ T7704] netlink_unicast+0x449/0x710 [ 6801.955961][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6801.955961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6801.955961][ T7704] ___sys_sendmsg+0xee/0x170 [ 6801.955961][ T7704] __sys_sendmsg+0xcd/0x170 [ 6801.955961][ T7704] do_syscall_64+0xc6/0x1e0 [ 6801.955961][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6801.955961][ T7704] [ 6801.957672][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6801.957672][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6801.957672][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6801.957672][ T7704] ipv6_find_idev+0x102/0x170 [ 6801.957672][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6801.957672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6801.957672][ T7704] netlink_rcv_skb+0x130/0x360 [ 6801.957672][ T7704] netlink_unicast+0x449/0x710 [ 6801.957672][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6801.957672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6801.957672][ T7704] ___sys_sendmsg+0xee/0x170 [ 6801.957672][ T7704] __sys_sendmsg+0xcd/0x170 [ 6801.957672][ T7704] do_syscall_64+0xc6/0x1e0 [ 6801.957672][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6801.957672][ T7704] [ 6812.196823][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6812.197307][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6812.197307][ T7704] netdev_get_by_index+0x5e/0x80 [ 6812.197307][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6812.197307][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6812.197307][ T7704] ip6_route_add+0x1c/0x140 [ 6812.197307][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6812.197307][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6812.197307][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6812.197307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6812.197307][ T7704] netlink_rcv_skb+0x130/0x360 [ 6812.197307][ T7704] netlink_unicast+0x449/0x710 [ 6812.197307][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6812.197307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6812.197307][ T7704] ___sys_sendmsg+0xee/0x170 [ 6812.197307][ T7704] __sys_sendmsg+0xcd/0x170 [ 6812.197307][ T7704] do_syscall_64+0xc6/0x1e0 [ 6812.197307][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6812.197307][ T7704] [ 6812.199554][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6812.199554][ T7704] netdev_get_by_index+0x5e/0x80 [ 6812.199554][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6812.199554][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6812.199554][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6812.199554][ T7704] ipv6_add_addr+0x411/0x2000 [ 6812.199554][ T7704] inet6_addr_add+0x30e/0xa40 [ 6812.199554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6812.199554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6812.199554][ T7704] netlink_rcv_skb+0x130/0x360 [ 6812.199554][ T7704] netlink_unicast+0x449/0x710 [ 6812.199554][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6812.199554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6812.199554][ T7704] ___sys_sendmsg+0xee/0x170 [ 6812.199554][ T7704] __sys_sendmsg+0xcd/0x170 [ 6812.199554][ T7704] do_syscall_64+0xc6/0x1e0 [ 6812.199554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6812.199554][ T7704] [ 6812.201766][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6812.201766][ T7704] netdev_get_by_index+0x5e/0x80 [ 6812.201766][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6812.201766][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6812.201766][ T7704] ip6_route_add+0x1c/0x140 [ 6812.201766][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6812.201766][ T7704] addrconf_add_dev+0xe2/0x170 [ 6812.201766][ T7704] inet6_addr_add+0x12f/0xa40 [ 6812.201766][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6812.201766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6812.201766][ T7704] netlink_rcv_skb+0x130/0x360 [ 6812.201766][ T7704] netlink_unicast+0x449/0x710 [ 6812.201766][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6812.201766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6812.201766][ T7704] ___sys_sendmsg+0xee/0x170 [ 6812.201766][ T7704] __sys_sendmsg+0xcd/0x170 [ 6812.201766][ T7704] do_syscall_64+0xc6/0x1e0 [ 6812.201766][ T7704] [ 6812.203937][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6812.203937][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6812.203937][ T7704] ipv6_find_idev+0x102/0x170 [ 6812.203937][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6812.203937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6812.203937][ T7704] netlink_rcv_skb+0x130/0x360 [ 6812.203937][ T7704] netlink_unicast+0x449/0x710 [ 6812.203937][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6812.203937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6812.203937][ T7704] ___sys_sendmsg+0xee/0x170 [ 6812.203937][ T7704] __sys_sendmsg+0xcd/0x170 [ 6812.203937][ T7704] do_syscall_64+0xc6/0x1e0 [ 6812.203937][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6812.203937][ T7704] [ 6812.205638][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6812.205638][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6812.205638][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6812.205638][ T7704] ipv6_find_idev+0x102/0x170 [ 6812.205638][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6812.205638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6812.205638][ T7704] netlink_rcv_skb+0x130/0x360 [ 6812.205638][ T7704] netlink_unicast+0x449/0x710 [ 6812.205638][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6812.205638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6812.205638][ T7704] ___sys_sendmsg+0xee/0x170 [ 6812.205638][ T7704] __sys_sendmsg+0xcd/0x170 [ 6812.205638][ T7704] do_syscall_64+0xc6/0x1e0 [ 6812.205638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6812.205638][ T7704] [ 6822.444807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6822.445276][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6822.445276][ T7704] netdev_get_by_index+0x5e/0x80 [ 6822.445276][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6822.445276][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6822.445276][ T7704] ip6_route_add+0x1c/0x140 [ 6822.445276][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6822.445276][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6822.445276][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6822.445276][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6822.445276][ T7704] netlink_rcv_skb+0x130/0x360 [ 6822.445276][ T7704] netlink_unicast+0x449/0x710 [ 6822.445276][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6822.445276][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6822.445276][ T7704] ___sys_sendmsg+0xee/0x170 [ 6822.445276][ T7704] __sys_sendmsg+0xcd/0x170 [ 6822.445276][ T7704] do_syscall_64+0xc6/0x1e0 [ 6822.445276][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6822.445276][ T7704] [ 6822.447530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6822.447530][ T7704] netdev_get_by_index+0x5e/0x80 [ 6822.447530][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6822.447530][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6822.447530][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6822.447530][ T7704] ipv6_add_addr+0x411/0x2000 [ 6822.447530][ T7704] inet6_addr_add+0x30e/0xa40 [ 6822.447530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6822.447530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6822.447530][ T7704] netlink_rcv_skb+0x130/0x360 [ 6822.447530][ T7704] netlink_unicast+0x449/0x710 [ 6822.447530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6822.447530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6822.447530][ T7704] ___sys_sendmsg+0xee/0x170 [ 6822.447530][ T7704] __sys_sendmsg+0xcd/0x170 [ 6822.447530][ T7704] do_syscall_64+0xc6/0x1e0 [ 6822.447530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6822.447530][ T7704] [ 6822.449776][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6822.449776][ T7704] netdev_get_by_index+0x5e/0x80 [ 6822.449776][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6822.449776][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6822.449776][ T7704] ip6_route_add+0x1c/0x140 [ 6822.449776][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6822.449776][ T7704] addrconf_add_dev+0xe2/0x170 [ 6822.449776][ T7704] inet6_addr_add+0x12f/0xa40 [ 6822.449776][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6822.449776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6822.449776][ T7704] netlink_rcv_skb+0x130/0x360 [ 6822.449776][ T7704] netlink_unicast+0x449/0x710 [ 6822.449776][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6822.449776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6822.449776][ T7704] ___sys_sendmsg+0xee/0x170 [ 6822.449776][ T7704] __sys_sendmsg+0xcd/0x170 [ 6822.449776][ T7704] do_syscall_64+0xc6/0x1e0 [ 6822.449776][ T7704] [ 6822.451967][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6822.451967][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6822.451967][ T7704] ipv6_find_idev+0x102/0x170 [ 6822.451967][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6822.451967][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6822.451967][ T7704] netlink_rcv_skb+0x130/0x360 [ 6822.451967][ T7704] netlink_unicast+0x449/0x710 [ 6822.451967][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6822.451967][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6822.451967][ T7704] ___sys_sendmsg+0xee/0x170 [ 6822.451967][ T7704] __sys_sendmsg+0xcd/0x170 [ 6822.451967][ T7704] do_syscall_64+0xc6/0x1e0 [ 6822.451967][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6822.451967][ T7704] [ 6822.453682][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6822.453682][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6822.453682][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6822.453682][ T7704] ipv6_find_idev+0x102/0x170 [ 6822.453682][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6822.453682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6822.453682][ T7704] netlink_rcv_skb+0x130/0x360 [ 6822.453682][ T7704] netlink_unicast+0x449/0x710 [ 6822.453682][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6822.453682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6822.453682][ T7704] ___sys_sendmsg+0xee/0x170 [ 6822.453682][ T7704] __sys_sendmsg+0xcd/0x170 [ 6822.453682][ T7704] do_syscall_64+0xc6/0x1e0 [ 6822.453682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6822.453682][ T7704] [ 6832.692797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6832.693278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6832.693278][ T7704] netdev_get_by_index+0x5e/0x80 [ 6832.693278][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6832.693278][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6832.693278][ T7704] ip6_route_add+0x1c/0x140 [ 6832.693278][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6832.693278][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6832.693278][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6832.693278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6832.693278][ T7704] netlink_rcv_skb+0x130/0x360 [ 6832.693278][ T7704] netlink_unicast+0x449/0x710 [ 6832.693278][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6832.693278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6832.693278][ T7704] ___sys_sendmsg+0xee/0x170 [ 6832.693278][ T7704] __sys_sendmsg+0xcd/0x170 [ 6832.693278][ T7704] do_syscall_64+0xc6/0x1e0 [ 6832.693278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6832.693278][ T7704] [ 6832.695980][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6832.695980][ T7704] netdev_get_by_index+0x5e/0x80 [ 6832.695980][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6832.695980][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6832.695980][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6832.695980][ T7704] ipv6_add_addr+0x411/0x2000 [ 6832.695980][ T7704] inet6_addr_add+0x30e/0xa40 [ 6832.695980][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6832.695980][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6832.695980][ T7704] netlink_rcv_skb+0x130/0x360 [ 6832.695980][ T7704] netlink_unicast+0x449/0x710 [ 6832.695980][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6832.695980][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6832.695980][ T7704] ___sys_sendmsg+0xee/0x170 [ 6832.695980][ T7704] __sys_sendmsg+0xcd/0x170 [ 6832.695980][ T7704] do_syscall_64+0xc6/0x1e0 [ 6832.695980][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6832.695980][ T7704] [ 6832.698152][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6832.698152][ T7704] netdev_get_by_index+0x5e/0x80 [ 6832.698152][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6832.698152][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6832.698152][ T7704] ip6_route_add+0x1c/0x140 [ 6832.698152][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6832.698152][ T7704] addrconf_add_dev+0xe2/0x170 [ 6832.698152][ T7704] inet6_addr_add+0x12f/0xa40 [ 6832.698152][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6832.698152][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6832.698152][ T7704] netlink_rcv_skb+0x130/0x360 [ 6832.698152][ T7704] netlink_unicast+0x449/0x710 [ 6832.698152][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6832.698152][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6832.698152][ T7704] ___sys_sendmsg+0xee/0x170 [ 6832.698152][ T7704] __sys_sendmsg+0xcd/0x170 [ 6832.698152][ T7704] do_syscall_64+0xc6/0x1e0 [ 6832.698152][ T7704] [ 6832.700739][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6832.700739][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6832.700739][ T7704] ipv6_find_idev+0x102/0x170 [ 6832.700739][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6832.700739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6832.700739][ T7704] netlink_rcv_skb+0x130/0x360 [ 6832.700739][ T7704] netlink_unicast+0x449/0x710 [ 6832.700739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6832.700739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6832.700739][ T7704] ___sys_sendmsg+0xee/0x170 [ 6832.700739][ T7704] __sys_sendmsg+0xcd/0x170 [ 6832.700739][ T7704] do_syscall_64+0xc6/0x1e0 [ 6832.700739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6832.700739][ T7704] [ 6832.702425][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6832.702425][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6832.702425][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6832.702425][ T7704] ipv6_find_idev+0x102/0x170 [ 6832.702425][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6832.702425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6832.702425][ T7704] netlink_rcv_skb+0x130/0x360 [ 6832.702425][ T7704] netlink_unicast+0x449/0x710 [ 6832.702425][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6832.702425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6832.702425][ T7704] ___sys_sendmsg+0xee/0x170 [ 6832.702425][ T7704] __sys_sendmsg+0xcd/0x170 [ 6832.702425][ T7704] do_syscall_64+0xc6/0x1e0 [ 6832.702425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6832.702425][ T7704] [ 6842.788833][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6842.789302][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6842.789302][ T7704] netdev_get_by_index+0x5e/0x80 [ 6842.789302][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6842.789302][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6842.789302][ T7704] ip6_route_add+0x1c/0x140 [ 6842.789302][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6842.789302][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6842.789302][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6842.789302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6842.789302][ T7704] netlink_rcv_skb+0x130/0x360 [ 6842.789302][ T7704] netlink_unicast+0x449/0x710 [ 6842.789302][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6842.789302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6842.789302][ T7704] ___sys_sendmsg+0xee/0x170 [ 6842.789302][ T7704] __sys_sendmsg+0xcd/0x170 [ 6842.789302][ T7704] do_syscall_64+0xc6/0x1e0 [ 6842.789302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6842.789302][ T7704] [ 6842.791539][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6842.791539][ T7704] netdev_get_by_index+0x5e/0x80 [ 6842.791539][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6842.791539][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6842.791539][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6842.791539][ T7704] ipv6_add_addr+0x411/0x2000 [ 6842.791539][ T7704] inet6_addr_add+0x30e/0xa40 [ 6842.791539][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6842.791539][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6842.791539][ T7704] netlink_rcv_skb+0x130/0x360 [ 6842.791539][ T7704] netlink_unicast+0x449/0x710 [ 6842.791539][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6842.791539][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6842.791539][ T7704] ___sys_sendmsg+0xee/0x170 [ 6842.791539][ T7704] __sys_sendmsg+0xcd/0x170 [ 6842.791539][ T7704] do_syscall_64+0xc6/0x1e0 [ 6842.791539][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6842.791539][ T7704] [ 6842.793759][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6842.793759][ T7704] netdev_get_by_index+0x5e/0x80 [ 6842.793759][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6842.793759][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6842.793759][ T7704] ip6_route_add+0x1c/0x140 [ 6842.793759][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6842.793759][ T7704] addrconf_add_dev+0xe2/0x170 [ 6842.793759][ T7704] inet6_addr_add+0x12f/0xa40 [ 6842.793759][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6842.793759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6842.793759][ T7704] netlink_rcv_skb+0x130/0x360 [ 6842.793759][ T7704] netlink_unicast+0x449/0x710 [ 6842.793759][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6842.793759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6842.793759][ T7704] ___sys_sendmsg+0xee/0x170 [ 6842.793759][ T7704] __sys_sendmsg+0xcd/0x170 [ 6842.793759][ T7704] do_syscall_64+0xc6/0x1e0 [ 6842.793759][ T7704] [ 6842.795931][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6842.795931][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6842.795931][ T7704] ipv6_find_idev+0x102/0x170 [ 6842.795931][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6842.795931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6842.795931][ T7704] netlink_rcv_skb+0x130/0x360 [ 6842.795931][ T7704] netlink_unicast+0x449/0x710 [ 6842.795931][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6842.795931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6842.795931][ T7704] ___sys_sendmsg+0xee/0x170 [ 6842.795931][ T7704] __sys_sendmsg+0xcd/0x170 [ 6842.795931][ T7704] do_syscall_64+0xc6/0x1e0 [ 6842.795931][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6842.795931][ T7704] [ 6842.797630][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6842.797630][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6842.797630][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6842.797630][ T7704] ipv6_find_idev+0x102/0x170 [ 6842.797630][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6842.797630][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6842.797630][ T7704] netlink_rcv_skb+0x130/0x360 [ 6842.797630][ T7704] netlink_unicast+0x449/0x710 [ 6842.797630][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6842.797630][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6842.797630][ T7704] ___sys_sendmsg+0xee/0x170 [ 6842.797630][ T7704] __sys_sendmsg+0xcd/0x170 [ 6842.797630][ T7704] do_syscall_64+0xc6/0x1e0 [ 6842.797630][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6842.797630][ T7704] [ 6853.044826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6853.045312][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6853.045312][ T7704] netdev_get_by_index+0x5e/0x80 [ 6853.045312][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6853.045312][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6853.045312][ T7704] ip6_route_add+0x1c/0x140 [ 6853.045312][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6853.045312][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6853.045312][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6853.045312][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6853.045312][ T7704] netlink_rcv_skb+0x130/0x360 [ 6853.045312][ T7704] netlink_unicast+0x449/0x710 [ 6853.045312][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6853.045312][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6853.045312][ T7704] ___sys_sendmsg+0xee/0x170 [ 6853.045312][ T7704] __sys_sendmsg+0xcd/0x170 [ 6853.045312][ T7704] do_syscall_64+0xc6/0x1e0 [ 6853.045312][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6853.045312][ T7704] [ 6853.047543][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6853.047543][ T7704] netdev_get_by_index+0x5e/0x80 [ 6853.047543][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6853.047543][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6853.047543][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6853.047543][ T7704] ipv6_add_addr+0x411/0x2000 [ 6853.047543][ T7704] inet6_addr_add+0x30e/0xa40 [ 6853.047543][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6853.047543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6853.047543][ T7704] netlink_rcv_skb+0x130/0x360 [ 6853.047543][ T7704] netlink_unicast+0x449/0x710 [ 6853.047543][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6853.047543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6853.047543][ T7704] ___sys_sendmsg+0xee/0x170 [ 6853.047543][ T7704] __sys_sendmsg+0xcd/0x170 [ 6853.047543][ T7704] do_syscall_64+0xc6/0x1e0 [ 6853.047543][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6853.047543][ T7704] [ 6853.049820][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6853.049820][ T7704] netdev_get_by_index+0x5e/0x80 [ 6853.049820][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6853.049820][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6853.049820][ T7704] ip6_route_add+0x1c/0x140 [ 6853.049820][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6853.049820][ T7704] addrconf_add_dev+0xe2/0x170 [ 6853.049820][ T7704] inet6_addr_add+0x12f/0xa40 [ 6853.049820][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6853.049820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6853.049820][ T7704] netlink_rcv_skb+0x130/0x360 [ 6853.049820][ T7704] netlink_unicast+0x449/0x710 [ 6853.049820][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6853.049820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6853.049820][ T7704] ___sys_sendmsg+0xee/0x170 [ 6853.049820][ T7704] __sys_sendmsg+0xcd/0x170 [ 6853.049820][ T7704] do_syscall_64+0xc6/0x1e0 [ 6853.049820][ T7704] [ 6853.052014][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6853.052014][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6853.052014][ T7704] ipv6_find_idev+0x102/0x170 [ 6853.052014][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6853.052014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6853.052014][ T7704] netlink_rcv_skb+0x130/0x360 [ 6853.052014][ T7704] netlink_unicast+0x449/0x710 [ 6853.052014][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6853.052014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6853.052014][ T7704] ___sys_sendmsg+0xee/0x170 [ 6853.052014][ T7704] __sys_sendmsg+0xcd/0x170 [ 6853.052014][ T7704] do_syscall_64+0xc6/0x1e0 [ 6853.052014][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6853.052014][ T7704] [ 6853.053726][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6853.053726][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6853.053726][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6853.053726][ T7704] ipv6_find_idev+0x102/0x170 [ 6853.053726][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6853.053726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6853.053726][ T7704] netlink_rcv_skb+0x130/0x360 [ 6853.053726][ T7704] netlink_unicast+0x449/0x710 [ 6853.053726][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6853.053726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6853.053726][ T7704] ___sys_sendmsg+0xee/0x170 [ 6853.053726][ T7704] __sys_sendmsg+0xcd/0x170 [ 6853.053726][ T7704] do_syscall_64+0xc6/0x1e0 [ 6853.053726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6853.053726][ T7704] [ 6863.308803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6863.309273][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6863.309273][ T7704] netdev_get_by_index+0x5e/0x80 [ 6863.309273][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6863.309273][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6863.309273][ T7704] ip6_route_add+0x1c/0x140 [ 6863.309273][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6863.309273][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6863.309273][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6863.309273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6863.309273][ T7704] netlink_rcv_skb+0x130/0x360 [ 6863.309273][ T7704] netlink_unicast+0x449/0x710 [ 6863.309273][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6863.309273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6863.309273][ T7704] ___sys_sendmsg+0xee/0x170 [ 6863.309273][ T7704] __sys_sendmsg+0xcd/0x170 [ 6863.309273][ T7704] do_syscall_64+0xc6/0x1e0 [ 6863.309273][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6863.309273][ T7704] [ 6863.311479][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6863.311479][ T7704] netdev_get_by_index+0x5e/0x80 [ 6863.311479][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6863.311479][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6863.311479][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6863.311479][ T7704] ipv6_add_addr+0x411/0x2000 [ 6863.311479][ T7704] inet6_addr_add+0x30e/0xa40 [ 6863.311479][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6863.311479][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6863.311479][ T7704] netlink_rcv_skb+0x130/0x360 [ 6863.311479][ T7704] netlink_unicast+0x449/0x710 [ 6863.311479][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6863.311479][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6863.311479][ T7704] ___sys_sendmsg+0xee/0x170 [ 6863.311479][ T7704] __sys_sendmsg+0xcd/0x170 [ 6863.311479][ T7704] do_syscall_64+0xc6/0x1e0 [ 6863.311479][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6863.311479][ T7704] [ 6863.313663][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6863.313663][ T7704] netdev_get_by_index+0x5e/0x80 [ 6863.313663][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6863.313663][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6863.313663][ T7704] ip6_route_add+0x1c/0x140 [ 6863.313663][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6863.313663][ T7704] addrconf_add_dev+0xe2/0x170 [ 6863.313663][ T7704] inet6_addr_add+0x12f/0xa40 [ 6863.313663][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6863.313663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6863.313663][ T7704] netlink_rcv_skb+0x130/0x360 [ 6863.313663][ T7704] netlink_unicast+0x449/0x710 [ 6863.313663][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6863.313663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6863.313663][ T7704] ___sys_sendmsg+0xee/0x170 [ 6863.313663][ T7704] __sys_sendmsg+0xcd/0x170 [ 6863.313663][ T7704] do_syscall_64+0xc6/0x1e0 [ 6863.313663][ T7704] [ 6863.315828][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6863.315828][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6863.315828][ T7704] ipv6_find_idev+0x102/0x170 [ 6863.315828][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6863.315828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6863.315828][ T7704] netlink_rcv_skb+0x130/0x360 [ 6863.315828][ T7704] netlink_unicast+0x449/0x710 [ 6863.315828][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6863.315828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6863.315828][ T7704] ___sys_sendmsg+0xee/0x170 [ 6863.315828][ T7704] __sys_sendmsg+0xcd/0x170 [ 6863.315828][ T7704] do_syscall_64+0xc6/0x1e0 [ 6863.315828][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6863.315828][ T7704] [ 6863.317556][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6863.317556][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6863.317556][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6863.317556][ T7704] ipv6_find_idev+0x102/0x170 [ 6863.317556][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6863.317556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6863.317556][ T7704] netlink_rcv_skb+0x130/0x360 [ 6863.317556][ T7704] netlink_unicast+0x449/0x710 [ 6863.317556][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6863.317556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6863.317556][ T7704] ___sys_sendmsg+0xee/0x170 [ 6863.317556][ T7704] __sys_sendmsg+0xcd/0x170 [ 6863.317556][ T7704] do_syscall_64+0xc6/0x1e0 [ 6863.317556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6863.317556][ T7704] [ 6873.564754][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6873.565215][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6873.565215][ T7704] netdev_get_by_index+0x5e/0x80 [ 6873.565215][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6873.565215][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6873.565215][ T7704] ip6_route_add+0x1c/0x140 [ 6873.565215][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6873.565215][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6873.565215][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6873.565215][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6873.565215][ T7704] netlink_rcv_skb+0x130/0x360 [ 6873.565215][ T7704] netlink_unicast+0x449/0x710 [ 6873.565215][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6873.565215][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6873.565215][ T7704] ___sys_sendmsg+0xee/0x170 [ 6873.565215][ T7704] __sys_sendmsg+0xcd/0x170 [ 6873.565215][ T7704] do_syscall_64+0xc6/0x1e0 [ 6873.565215][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6873.565215][ T7704] [ 6873.567447][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6873.567447][ T7704] netdev_get_by_index+0x5e/0x80 [ 6873.567447][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6873.567447][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6873.567447][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6873.567447][ T7704] ipv6_add_addr+0x411/0x2000 [ 6873.567447][ T7704] inet6_addr_add+0x30e/0xa40 [ 6873.567447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6873.567447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6873.567447][ T7704] netlink_rcv_skb+0x130/0x360 [ 6873.567447][ T7704] netlink_unicast+0x449/0x710 [ 6873.567447][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6873.567447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6873.567447][ T7704] ___sys_sendmsg+0xee/0x170 [ 6873.567447][ T7704] __sys_sendmsg+0xcd/0x170 [ 6873.567447][ T7704] do_syscall_64+0xc6/0x1e0 [ 6873.567447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6873.567447][ T7704] [ 6873.569661][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6873.569661][ T7704] netdev_get_by_index+0x5e/0x80 [ 6873.569661][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6873.569661][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6873.569661][ T7704] ip6_route_add+0x1c/0x140 [ 6873.569661][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6873.569661][ T7704] addrconf_add_dev+0xe2/0x170 [ 6873.569661][ T7704] inet6_addr_add+0x12f/0xa40 [ 6873.569661][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6873.569661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6873.569661][ T7704] netlink_rcv_skb+0x130/0x360 [ 6873.569661][ T7704] netlink_unicast+0x449/0x710 [ 6873.569661][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6873.569661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6873.569661][ T7704] ___sys_sendmsg+0xee/0x170 [ 6873.569661][ T7704] __sys_sendmsg+0xcd/0x170 [ 6873.569661][ T7704] do_syscall_64+0xc6/0x1e0 [ 6873.569661][ T7704] [ 6873.571825][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6873.571825][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6873.571825][ T7704] ipv6_find_idev+0x102/0x170 [ 6873.571825][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6873.571825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6873.571825][ T7704] netlink_rcv_skb+0x130/0x360 [ 6873.571825][ T7704] netlink_unicast+0x449/0x710 [ 6873.571825][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6873.571825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6873.571825][ T7704] ___sys_sendmsg+0xee/0x170 [ 6873.571825][ T7704] __sys_sendmsg+0xcd/0x170 [ 6873.571825][ T7704] do_syscall_64+0xc6/0x1e0 [ 6873.571825][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6873.571825][ T7704] [ 6873.573524][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6873.573524][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6873.573524][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6873.573524][ T7704] ipv6_find_idev+0x102/0x170 [ 6873.573524][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6873.573524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6873.573524][ T7704] netlink_rcv_skb+0x130/0x360 [ 6873.573524][ T7704] netlink_unicast+0x449/0x710 [ 6873.573524][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6873.573524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6873.573524][ T7704] ___sys_sendmsg+0xee/0x170 [ 6873.573524][ T7704] __sys_sendmsg+0xcd/0x170 [ 6873.573524][ T7704] do_syscall_64+0xc6/0x1e0 [ 6873.573524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6873.573524][ T7704] [ 6883.820804][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6883.821303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6883.821303][ T7704] netdev_get_by_index+0x5e/0x80 [ 6883.821303][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6883.821303][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6883.821303][ T7704] ip6_route_add+0x1c/0x140 [ 6883.821303][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6883.821303][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6883.821303][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6883.821303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6883.821303][ T7704] netlink_rcv_skb+0x130/0x360 [ 6883.821303][ T7704] netlink_unicast+0x449/0x710 [ 6883.821303][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6883.821303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6883.821303][ T7704] ___sys_sendmsg+0xee/0x170 [ 6883.821303][ T7704] __sys_sendmsg+0xcd/0x170 [ 6883.821303][ T7704] do_syscall_64+0xc6/0x1e0 [ 6883.821303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6883.821303][ T7704] [ 6883.823522][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6883.823522][ T7704] netdev_get_by_index+0x5e/0x80 [ 6883.823522][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6883.823522][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6883.823522][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6883.823522][ T7704] ipv6_add_addr+0x411/0x2000 [ 6883.823522][ T7704] inet6_addr_add+0x30e/0xa40 [ 6883.823522][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6883.823522][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6883.823522][ T7704] netlink_rcv_skb+0x130/0x360 [ 6883.823522][ T7704] netlink_unicast+0x449/0x710 [ 6883.823522][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6883.823522][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6883.823522][ T7704] ___sys_sendmsg+0xee/0x170 [ 6883.823522][ T7704] __sys_sendmsg+0xcd/0x170 [ 6883.823522][ T7704] do_syscall_64+0xc6/0x1e0 [ 6883.823522][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6883.823522][ T7704] [ 6883.825727][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6883.825727][ T7704] netdev_get_by_index+0x5e/0x80 [ 6883.825727][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6883.825727][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6883.825727][ T7704] ip6_route_add+0x1c/0x140 [ 6883.825727][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6883.825727][ T7704] addrconf_add_dev+0xe2/0x170 [ 6883.825727][ T7704] inet6_addr_add+0x12f/0xa40 [ 6883.825727][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6883.825727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6883.825727][ T7704] netlink_rcv_skb+0x130/0x360 [ 6883.825727][ T7704] netlink_unicast+0x449/0x710 [ 6883.825727][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6883.825727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6883.825727][ T7704] ___sys_sendmsg+0xee/0x170 [ 6883.825727][ T7704] __sys_sendmsg+0xcd/0x170 [ 6883.825727][ T7704] do_syscall_64+0xc6/0x1e0 [ 6883.825727][ T7704] [ 6883.827897][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6883.827897][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6883.827897][ T7704] ipv6_find_idev+0x102/0x170 [ 6883.827897][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6883.827897][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6883.827897][ T7704] netlink_rcv_skb+0x130/0x360 [ 6883.827897][ T7704] netlink_unicast+0x449/0x710 [ 6883.827897][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6883.827897][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6883.827897][ T7704] ___sys_sendmsg+0xee/0x170 [ 6883.827897][ T7704] __sys_sendmsg+0xcd/0x170 [ 6883.827897][ T7704] do_syscall_64+0xc6/0x1e0 [ 6883.827897][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6883.827897][ T7704] [ 6883.829680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6883.829680][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6883.829680][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6883.829680][ T7704] ipv6_find_idev+0x102/0x170 [ 6883.829680][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6883.829680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6883.829680][ T7704] netlink_rcv_skb+0x130/0x360 [ 6883.829680][ T7704] netlink_unicast+0x449/0x710 [ 6883.829680][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6883.829680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6883.829680][ T7704] ___sys_sendmsg+0xee/0x170 [ 6883.829680][ T7704] __sys_sendmsg+0xcd/0x170 [ 6883.829680][ T7704] do_syscall_64+0xc6/0x1e0 [ 6883.829680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6883.829680][ T7704] [ 6894.076807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6894.077280][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6894.077280][ T7704] netdev_get_by_index+0x5e/0x80 [ 6894.077280][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6894.077280][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6894.077280][ T7704] ip6_route_add+0x1c/0x140 [ 6894.077280][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6894.077280][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6894.077280][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6894.077280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6894.077280][ T7704] netlink_rcv_skb+0x130/0x360 [ 6894.077280][ T7704] netlink_unicast+0x449/0x710 [ 6894.077280][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6894.077280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6894.077280][ T7704] ___sys_sendmsg+0xee/0x170 [ 6894.077280][ T7704] __sys_sendmsg+0xcd/0x170 [ 6894.077280][ T7704] do_syscall_64+0xc6/0x1e0 [ 6894.077280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6894.077280][ T7704] [ 6894.079530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6894.079530][ T7704] netdev_get_by_index+0x5e/0x80 [ 6894.079530][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6894.079530][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6894.079530][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6894.079530][ T7704] ipv6_add_addr+0x411/0x2000 [ 6894.079530][ T7704] inet6_addr_add+0x30e/0xa40 [ 6894.079530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6894.079530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6894.079530][ T7704] netlink_rcv_skb+0x130/0x360 [ 6894.079530][ T7704] netlink_unicast+0x449/0x710 [ 6894.079530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6894.079530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6894.079530][ T7704] ___sys_sendmsg+0xee/0x170 [ 6894.079530][ T7704] __sys_sendmsg+0xcd/0x170 [ 6894.079530][ T7704] do_syscall_64+0xc6/0x1e0 [ 6894.079530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6894.079530][ T7704] [ 6894.081771][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6894.081771][ T7704] netdev_get_by_index+0x5e/0x80 [ 6894.081771][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6894.081771][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6894.081771][ T7704] ip6_route_add+0x1c/0x140 [ 6894.081771][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6894.081771][ T7704] addrconf_add_dev+0xe2/0x170 [ 6894.081771][ T7704] inet6_addr_add+0x12f/0xa40 [ 6894.081771][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6894.081771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6894.081771][ T7704] netlink_rcv_skb+0x130/0x360 [ 6894.081771][ T7704] netlink_unicast+0x449/0x710 [ 6894.081771][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6894.081771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6894.081771][ T7704] ___sys_sendmsg+0xee/0x170 [ 6894.081771][ T7704] __sys_sendmsg+0xcd/0x170 [ 6894.081771][ T7704] do_syscall_64+0xc6/0x1e0 [ 6894.081771][ T7704] [ 6894.083940][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6894.083940][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6894.083940][ T7704] ipv6_find_idev+0x102/0x170 [ 6894.083940][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6894.083940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6894.083940][ T7704] netlink_rcv_skb+0x130/0x360 [ 6894.083940][ T7704] netlink_unicast+0x449/0x710 [ 6894.083940][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6894.083940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6894.083940][ T7704] ___sys_sendmsg+0xee/0x170 [ 6894.083940][ T7704] __sys_sendmsg+0xcd/0x170 [ 6894.083940][ T7704] do_syscall_64+0xc6/0x1e0 [ 6894.083940][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6894.083940][ T7704] [ 6894.085632][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6894.085632][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6894.085632][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6894.085632][ T7704] ipv6_find_idev+0x102/0x170 [ 6894.085632][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6894.085632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6894.085632][ T7704] netlink_rcv_skb+0x130/0x360 [ 6894.085632][ T7704] netlink_unicast+0x449/0x710 [ 6894.085632][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6894.085632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6894.085632][ T7704] ___sys_sendmsg+0xee/0x170 [ 6894.085632][ T7704] __sys_sendmsg+0xcd/0x170 [ 6894.085632][ T7704] do_syscall_64+0xc6/0x1e0 [ 6894.085632][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6894.085632][ T7704] [ 6904.140834][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6904.141257][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6904.141257][ T7704] netdev_get_by_index+0x5e/0x80 [ 6904.141257][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6904.141257][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6904.141257][ T7704] ip6_route_add+0x1c/0x140 [ 6904.141257][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6904.141257][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6904.141257][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6904.141257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6904.141257][ T7704] netlink_rcv_skb+0x130/0x360 [ 6904.141257][ T7704] netlink_unicast+0x449/0x710 [ 6904.141257][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6904.141257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6904.141257][ T7704] ___sys_sendmsg+0xee/0x170 [ 6904.141257][ T7704] __sys_sendmsg+0xcd/0x170 [ 6904.141257][ T7704] do_syscall_64+0xc6/0x1e0 [ 6904.141257][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6904.141257][ T7704] [ 6904.143460][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6904.143460][ T7704] netdev_get_by_index+0x5e/0x80 [ 6904.143460][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6904.143460][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6904.143460][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6904.143460][ T7704] ipv6_add_addr+0x411/0x2000 [ 6904.143460][ T7704] inet6_addr_add+0x30e/0xa40 [ 6904.143460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6904.143460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6904.143460][ T7704] netlink_rcv_skb+0x130/0x360 [ 6904.143460][ T7704] netlink_unicast+0x449/0x710 [ 6904.143460][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6904.143460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6904.143460][ T7704] ___sys_sendmsg+0xee/0x170 [ 6904.143460][ T7704] __sys_sendmsg+0xcd/0x170 [ 6904.143460][ T7704] do_syscall_64+0xc6/0x1e0 [ 6904.143460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6904.143460][ T7704] [ 6904.145626][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6904.145626][ T7704] netdev_get_by_index+0x5e/0x80 [ 6904.145626][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6904.145626][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6904.145626][ T7704] ip6_route_add+0x1c/0x140 [ 6904.145626][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6904.145626][ T7704] addrconf_add_dev+0xe2/0x170 [ 6904.145626][ T7704] inet6_addr_add+0x12f/0xa40 [ 6904.145626][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6904.145626][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6904.145626][ T7704] netlink_rcv_skb+0x130/0x360 [ 6904.145626][ T7704] netlink_unicast+0x449/0x710 [ 6904.145626][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6904.145626][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6904.145626][ T7704] ___sys_sendmsg+0xee/0x170 [ 6904.145626][ T7704] __sys_sendmsg+0xcd/0x170 [ 6904.145626][ T7704] do_syscall_64+0xc6/0x1e0 [ 6904.145626][ T7704] [ 6904.147830][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6904.147830][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6904.147830][ T7704] ipv6_find_idev+0x102/0x170 [ 6904.147830][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6904.147830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6904.147830][ T7704] netlink_rcv_skb+0x130/0x360 [ 6904.147830][ T7704] netlink_unicast+0x449/0x710 [ 6904.147830][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6904.147830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6904.147830][ T7704] ___sys_sendmsg+0xee/0x170 [ 6904.147830][ T7704] __sys_sendmsg+0xcd/0x170 [ 6904.147830][ T7704] do_syscall_64+0xc6/0x1e0 [ 6904.147830][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6904.147830][ T7704] [ 6904.149531][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6904.149531][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6904.149531][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6904.149531][ T7704] ipv6_find_idev+0x102/0x170 [ 6904.149531][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6904.149531][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6904.149531][ T7704] netlink_rcv_skb+0x130/0x360 [ 6904.149531][ T7704] netlink_unicast+0x449/0x710 [ 6904.149531][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6904.149531][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6904.149531][ T7704] ___sys_sendmsg+0xee/0x170 [ 6904.149531][ T7704] __sys_sendmsg+0xcd/0x170 [ 6904.149531][ T7704] do_syscall_64+0xc6/0x1e0 [ 6904.149531][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6904.149531][ T7704] [ 6914.380801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6914.381283][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6914.381283][ T7704] netdev_get_by_index+0x5e/0x80 [ 6914.381283][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6914.381283][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6914.381283][ T7704] ip6_route_add+0x1c/0x140 [ 6914.381283][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6914.381283][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6914.381283][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6914.381283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6914.381283][ T7704] netlink_rcv_skb+0x130/0x360 [ 6914.381283][ T7704] netlink_unicast+0x449/0x710 [ 6914.381283][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6914.381283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6914.381283][ T7704] ___sys_sendmsg+0xee/0x170 [ 6914.381283][ T7704] __sys_sendmsg+0xcd/0x170 [ 6914.381283][ T7704] do_syscall_64+0xc6/0x1e0 [ 6914.381283][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6914.381283][ T7704] [ 6914.383488][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6914.383488][ T7704] netdev_get_by_index+0x5e/0x80 [ 6914.383488][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6914.383488][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6914.383488][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6914.383488][ T7704] ipv6_add_addr+0x411/0x2000 [ 6914.383488][ T7704] inet6_addr_add+0x30e/0xa40 [ 6914.383488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6914.383488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6914.383488][ T7704] netlink_rcv_skb+0x130/0x360 [ 6914.383488][ T7704] netlink_unicast+0x449/0x710 [ 6914.383488][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6914.383488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6914.383488][ T7704] ___sys_sendmsg+0xee/0x170 [ 6914.383488][ T7704] __sys_sendmsg+0xcd/0x170 [ 6914.383488][ T7704] do_syscall_64+0xc6/0x1e0 [ 6914.383488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6914.383488][ T7704] [ 6914.385709][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6914.385709][ T7704] netdev_get_by_index+0x5e/0x80 [ 6914.385709][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6914.385709][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6914.385709][ T7704] ip6_route_add+0x1c/0x140 [ 6914.385709][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6914.385709][ T7704] addrconf_add_dev+0xe2/0x170 [ 6914.385709][ T7704] inet6_addr_add+0x12f/0xa40 [ 6914.385709][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6914.385709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6914.385709][ T7704] netlink_rcv_skb+0x130/0x360 [ 6914.385709][ T7704] netlink_unicast+0x449/0x710 [ 6914.385709][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6914.385709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6914.385709][ T7704] ___sys_sendmsg+0xee/0x170 [ 6914.385709][ T7704] __sys_sendmsg+0xcd/0x170 [ 6914.385709][ T7704] do_syscall_64+0xc6/0x1e0 [ 6914.385709][ T7704] [ 6914.387906][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6914.387906][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6914.387906][ T7704] ipv6_find_idev+0x102/0x170 [ 6914.387906][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6914.387906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6914.387906][ T7704] netlink_rcv_skb+0x130/0x360 [ 6914.387906][ T7704] netlink_unicast+0x449/0x710 [ 6914.387906][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6914.387906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6914.387906][ T7704] ___sys_sendmsg+0xee/0x170 [ 6914.387906][ T7704] __sys_sendmsg+0xcd/0x170 [ 6914.387906][ T7704] do_syscall_64+0xc6/0x1e0 [ 6914.387906][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6914.387906][ T7704] [ 6914.389608][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6914.389608][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6914.389608][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6914.389608][ T7704] ipv6_find_idev+0x102/0x170 [ 6914.389608][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6914.389608][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6914.389608][ T7704] netlink_rcv_skb+0x130/0x360 [ 6914.389608][ T7704] netlink_unicast+0x449/0x710 [ 6914.389608][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6914.389608][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6914.389608][ T7704] ___sys_sendmsg+0xee/0x170 [ 6914.389608][ T7704] __sys_sendmsg+0xcd/0x170 [ 6914.389608][ T7704] do_syscall_64+0xc6/0x1e0 [ 6914.389608][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6914.389608][ T7704] [ 6924.628740][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6924.629212][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6924.629212][ T7704] netdev_get_by_index+0x5e/0x80 [ 6924.629212][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6924.629212][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6924.629212][ T7704] ip6_route_add+0x1c/0x140 [ 6924.629212][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6924.629212][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6924.629212][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6924.629212][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6924.629212][ T7704] netlink_rcv_skb+0x130/0x360 [ 6924.629212][ T7704] netlink_unicast+0x449/0x710 [ 6924.629212][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6924.629212][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6924.629212][ T7704] ___sys_sendmsg+0xee/0x170 [ 6924.629212][ T7704] __sys_sendmsg+0xcd/0x170 [ 6924.629212][ T7704] do_syscall_64+0xc6/0x1e0 [ 6924.629212][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6924.629212][ T7704] [ 6924.631474][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6924.631474][ T7704] netdev_get_by_index+0x5e/0x80 [ 6924.631474][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6924.631474][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6924.631474][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6924.631474][ T7704] ipv6_add_addr+0x411/0x2000 [ 6924.631474][ T7704] inet6_addr_add+0x30e/0xa40 [ 6924.631474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6924.631474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6924.631474][ T7704] netlink_rcv_skb+0x130/0x360 [ 6924.631474][ T7704] netlink_unicast+0x449/0x710 [ 6924.631474][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6924.631474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6924.631474][ T7704] ___sys_sendmsg+0xee/0x170 [ 6924.631474][ T7704] __sys_sendmsg+0xcd/0x170 [ 6924.631474][ T7704] do_syscall_64+0xc6/0x1e0 [ 6924.631474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6924.631474][ T7704] [ 6924.633691][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6924.633691][ T7704] netdev_get_by_index+0x5e/0x80 [ 6924.633691][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6924.633691][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6924.633691][ T7704] ip6_route_add+0x1c/0x140 [ 6924.633691][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6924.633691][ T7704] addrconf_add_dev+0xe2/0x170 [ 6924.633691][ T7704] inet6_addr_add+0x12f/0xa40 [ 6924.633691][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6924.633691][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6924.633691][ T7704] netlink_rcv_skb+0x130/0x360 [ 6924.633691][ T7704] netlink_unicast+0x449/0x710 [ 6924.633691][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6924.633691][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6924.633691][ T7704] ___sys_sendmsg+0xee/0x170 [ 6924.633691][ T7704] __sys_sendmsg+0xcd/0x170 [ 6924.633691][ T7704] do_syscall_64+0xc6/0x1e0 [ 6924.633691][ T7704] [ 6924.635853][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6924.635853][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6924.635853][ T7704] ipv6_find_idev+0x102/0x170 [ 6924.635853][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6924.635853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6924.635853][ T7704] netlink_rcv_skb+0x130/0x360 [ 6924.635853][ T7704] netlink_unicast+0x449/0x710 [ 6924.635853][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6924.635853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6924.635853][ T7704] ___sys_sendmsg+0xee/0x170 [ 6924.635853][ T7704] __sys_sendmsg+0xcd/0x170 [ 6924.635853][ T7704] do_syscall_64+0xc6/0x1e0 [ 6924.635853][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6924.635853][ T7704] [ 6924.637549][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6924.637549][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6924.637549][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6924.637549][ T7704] ipv6_find_idev+0x102/0x170 [ 6924.637549][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6924.637549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6924.637549][ T7704] netlink_rcv_skb+0x130/0x360 [ 6924.637549][ T7704] netlink_unicast+0x449/0x710 [ 6924.637549][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6924.637549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6924.637549][ T7704] ___sys_sendmsg+0xee/0x170 [ 6924.637549][ T7704] __sys_sendmsg+0xcd/0x170 [ 6924.637549][ T7704] do_syscall_64+0xc6/0x1e0 [ 6924.637549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6924.637549][ T7704] [ 6934.892826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6934.893306][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6934.893306][ T7704] netdev_get_by_index+0x5e/0x80 [ 6934.893306][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6934.893306][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6934.893306][ T7704] ip6_route_add+0x1c/0x140 [ 6934.893306][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6934.893306][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6934.893306][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6934.893306][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6934.893306][ T7704] netlink_rcv_skb+0x130/0x360 [ 6934.893306][ T7704] netlink_unicast+0x449/0x710 [ 6934.893306][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6934.893306][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6934.893306][ T7704] ___sys_sendmsg+0xee/0x170 [ 6934.893306][ T7704] __sys_sendmsg+0xcd/0x170 [ 6934.893306][ T7704] do_syscall_64+0xc6/0x1e0 [ 6934.893306][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6934.893306][ T7704] [ 6934.895532][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6934.895532][ T7704] netdev_get_by_index+0x5e/0x80 [ 6934.895532][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6934.895532][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6934.895532][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6934.895532][ T7704] ipv6_add_addr+0x411/0x2000 [ 6934.895532][ T7704] inet6_addr_add+0x30e/0xa40 [ 6934.895532][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6934.895532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6934.895532][ T7704] netlink_rcv_skb+0x130/0x360 [ 6934.895532][ T7704] netlink_unicast+0x449/0x710 [ 6934.895532][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6934.895532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6934.895532][ T7704] ___sys_sendmsg+0xee/0x170 [ 6934.895532][ T7704] __sys_sendmsg+0xcd/0x170 [ 6934.895532][ T7704] do_syscall_64+0xc6/0x1e0 [ 6934.895532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6934.895532][ T7704] [ 6934.898207][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6934.898207][ T7704] netdev_get_by_index+0x5e/0x80 [ 6934.898207][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6934.898207][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6934.898207][ T7704] ip6_route_add+0x1c/0x140 [ 6934.898207][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6934.898207][ T7704] addrconf_add_dev+0xe2/0x170 [ 6934.898207][ T7704] inet6_addr_add+0x12f/0xa40 [ 6934.898207][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6934.898207][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6934.898207][ T7704] netlink_rcv_skb+0x130/0x360 [ 6934.898207][ T7704] netlink_unicast+0x449/0x710 [ 6934.898207][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6934.898207][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6934.898207][ T7704] ___sys_sendmsg+0xee/0x170 [ 6934.898207][ T7704] __sys_sendmsg+0xcd/0x170 [ 6934.898207][ T7704] do_syscall_64+0xc6/0x1e0 [ 6934.898207][ T7704] [ 6934.900431][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6934.900431][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6934.900431][ T7704] ipv6_find_idev+0x102/0x170 [ 6934.900431][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6934.900431][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6934.900431][ T7704] netlink_rcv_skb+0x130/0x360 [ 6934.900431][ T7704] netlink_unicast+0x449/0x710 [ 6934.900431][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6934.900431][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6934.900431][ T7704] ___sys_sendmsg+0xee/0x170 [ 6934.900431][ T7704] __sys_sendmsg+0xcd/0x170 [ 6934.900431][ T7704] do_syscall_64+0xc6/0x1e0 [ 6934.900431][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6934.900431][ T7704] [ 6934.902169][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6934.902169][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6934.902169][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6934.902169][ T7704] ipv6_find_idev+0x102/0x170 [ 6934.902169][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6934.902169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6934.902169][ T7704] netlink_rcv_skb+0x130/0x360 [ 6934.902169][ T7704] netlink_unicast+0x449/0x710 [ 6934.902169][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6934.902169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6934.902169][ T7704] ___sys_sendmsg+0xee/0x170 [ 6934.902169][ T7704] __sys_sendmsg+0xcd/0x170 [ 6934.902169][ T7704] do_syscall_64+0xc6/0x1e0 [ 6934.902169][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6934.902169][ T7704] [ 6945.156817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6945.157354][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6945.157354][ T7704] netdev_get_by_index+0x5e/0x80 [ 6945.157354][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6945.157354][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6945.157354][ T7704] ip6_route_add+0x1c/0x140 [ 6945.157354][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6945.157354][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6945.157354][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6945.157354][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6945.157354][ T7704] netlink_rcv_skb+0x130/0x360 [ 6945.157354][ T7704] netlink_unicast+0x449/0x710 [ 6945.157354][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6945.157354][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6945.157354][ T7704] ___sys_sendmsg+0xee/0x170 [ 6945.157354][ T7704] __sys_sendmsg+0xcd/0x170 [ 6945.157354][ T7704] do_syscall_64+0xc6/0x1e0 [ 6945.157354][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6945.157354][ T7704] [ 6945.159621][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6945.159621][ T7704] netdev_get_by_index+0x5e/0x80 [ 6945.159621][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6945.159621][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6945.159621][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6945.159621][ T7704] ipv6_add_addr+0x411/0x2000 [ 6945.159621][ T7704] inet6_addr_add+0x30e/0xa40 [ 6945.159621][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6945.159621][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6945.159621][ T7704] netlink_rcv_skb+0x130/0x360 [ 6945.159621][ T7704] netlink_unicast+0x449/0x710 [ 6945.159621][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6945.159621][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6945.159621][ T7704] ___sys_sendmsg+0xee/0x170 [ 6945.159621][ T7704] __sys_sendmsg+0xcd/0x170 [ 6945.159621][ T7704] do_syscall_64+0xc6/0x1e0 [ 6945.159621][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6945.159621][ T7704] [ 6945.161847][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6945.161847][ T7704] netdev_get_by_index+0x5e/0x80 [ 6945.161847][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6945.161847][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6945.161847][ T7704] ip6_route_add+0x1c/0x140 [ 6945.161847][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6945.161847][ T7704] addrconf_add_dev+0xe2/0x170 [ 6945.161847][ T7704] inet6_addr_add+0x12f/0xa40 [ 6945.161847][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6945.161847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6945.161847][ T7704] netlink_rcv_skb+0x130/0x360 [ 6945.161847][ T7704] netlink_unicast+0x449/0x710 [ 6945.161847][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6945.161847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6945.161847][ T7704] ___sys_sendmsg+0xee/0x170 [ 6945.161847][ T7704] __sys_sendmsg+0xcd/0x170 [ 6945.161847][ T7704] do_syscall_64+0xc6/0x1e0 [ 6945.161847][ T7704] [ 6945.164039][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6945.164039][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6945.164039][ T7704] ipv6_find_idev+0x102/0x170 [ 6945.164039][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6945.164039][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6945.164039][ T7704] netlink_rcv_skb+0x130/0x360 [ 6945.164039][ T7704] netlink_unicast+0x449/0x710 [ 6945.164039][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6945.164039][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6945.164039][ T7704] ___sys_sendmsg+0xee/0x170 [ 6945.164039][ T7704] __sys_sendmsg+0xcd/0x170 [ 6945.164039][ T7704] do_syscall_64+0xc6/0x1e0 [ 6945.164039][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6945.164039][ T7704] [ 6945.165748][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6945.165748][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6945.165748][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6945.165748][ T7704] ipv6_find_idev+0x102/0x170 [ 6945.165748][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6945.165748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6945.165748][ T7704] netlink_rcv_skb+0x130/0x360 [ 6945.165748][ T7704] netlink_unicast+0x449/0x710 [ 6945.165748][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6945.165748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6945.165748][ T7704] ___sys_sendmsg+0xee/0x170 [ 6945.165748][ T7704] __sys_sendmsg+0xcd/0x170 [ 6945.165748][ T7704] do_syscall_64+0xc6/0x1e0 [ 6945.165748][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6945.165748][ T7704] [ 6955.180802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6955.181258][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6955.181258][ T7704] netdev_get_by_index+0x5e/0x80 [ 6955.181258][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6955.181258][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6955.181258][ T7704] ip6_route_add+0x1c/0x140 [ 6955.181258][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6955.181258][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6955.181258][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6955.181258][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6955.181258][ T7704] netlink_rcv_skb+0x130/0x360 [ 6955.181258][ T7704] netlink_unicast+0x449/0x710 [ 6955.181258][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6955.181258][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6955.181258][ T7704] ___sys_sendmsg+0xee/0x170 [ 6955.181258][ T7704] __sys_sendmsg+0xcd/0x170 [ 6955.181258][ T7704] do_syscall_64+0xc6/0x1e0 [ 6955.181258][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6955.181258][ T7704] [ 6955.183501][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6955.183501][ T7704] netdev_get_by_index+0x5e/0x80 [ 6955.183501][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6955.183501][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6955.183501][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6955.183501][ T7704] ipv6_add_addr+0x411/0x2000 [ 6955.183501][ T7704] inet6_addr_add+0x30e/0xa40 [ 6955.183501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6955.183501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6955.183501][ T7704] netlink_rcv_skb+0x130/0x360 [ 6955.183501][ T7704] netlink_unicast+0x449/0x710 [ 6955.183501][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6955.183501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6955.183501][ T7704] ___sys_sendmsg+0xee/0x170 [ 6955.183501][ T7704] __sys_sendmsg+0xcd/0x170 [ 6955.183501][ T7704] do_syscall_64+0xc6/0x1e0 [ 6955.183501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6955.183501][ T7704] [ 6955.185690][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6955.185690][ T7704] netdev_get_by_index+0x5e/0x80 [ 6955.185690][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6955.185690][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6955.185690][ T7704] ip6_route_add+0x1c/0x140 [ 6955.185690][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6955.185690][ T7704] addrconf_add_dev+0xe2/0x170 [ 6955.185690][ T7704] inet6_addr_add+0x12f/0xa40 [ 6955.185690][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6955.185690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6955.185690][ T7704] netlink_rcv_skb+0x130/0x360 [ 6955.185690][ T7704] netlink_unicast+0x449/0x710 [ 6955.185690][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6955.185690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6955.185690][ T7704] ___sys_sendmsg+0xee/0x170 [ 6955.185690][ T7704] __sys_sendmsg+0xcd/0x170 [ 6955.185690][ T7704] do_syscall_64+0xc6/0x1e0 [ 6955.185690][ T7704] [ 6955.187976][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6955.187976][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6955.187976][ T7704] ipv6_find_idev+0x102/0x170 [ 6955.187976][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6955.187976][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6955.187976][ T7704] netlink_rcv_skb+0x130/0x360 [ 6955.187976][ T7704] netlink_unicast+0x449/0x710 [ 6955.187976][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6955.187976][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6955.187976][ T7704] ___sys_sendmsg+0xee/0x170 [ 6955.187976][ T7704] __sys_sendmsg+0xcd/0x170 [ 6955.187976][ T7704] do_syscall_64+0xc6/0x1e0 [ 6955.187976][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6955.187976][ T7704] [ 6955.189699][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6955.189699][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6955.189699][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6955.189699][ T7704] ipv6_find_idev+0x102/0x170 [ 6955.189699][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6955.189699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6955.189699][ T7704] netlink_rcv_skb+0x130/0x360 [ 6955.189699][ T7704] netlink_unicast+0x449/0x710 [ 6955.189699][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6955.189699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6955.189699][ T7704] ___sys_sendmsg+0xee/0x170 [ 6955.189699][ T7704] __sys_sendmsg+0xcd/0x170 [ 6955.189699][ T7704] do_syscall_64+0xc6/0x1e0 [ 6955.189699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6955.189699][ T7704] [ 6965.428739][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6965.429242][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6965.429242][ T7704] netdev_get_by_index+0x5e/0x80 [ 6965.429242][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6965.429242][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6965.429242][ T7704] ip6_route_add+0x1c/0x140 [ 6965.429242][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6965.429242][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6965.429242][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6965.429242][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6965.429242][ T7704] netlink_rcv_skb+0x130/0x360 [ 6965.429242][ T7704] netlink_unicast+0x449/0x710 [ 6965.429242][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6965.429242][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6965.429242][ T7704] ___sys_sendmsg+0xee/0x170 [ 6965.429242][ T7704] __sys_sendmsg+0xcd/0x170 [ 6965.429242][ T7704] do_syscall_64+0xc6/0x1e0 [ 6965.429242][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6965.429242][ T7704] [ 6965.431479][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6965.431479][ T7704] netdev_get_by_index+0x5e/0x80 [ 6965.431479][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6965.431479][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6965.431479][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6965.431479][ T7704] ipv6_add_addr+0x411/0x2000 [ 6965.431479][ T7704] inet6_addr_add+0x30e/0xa40 [ 6965.431479][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6965.431479][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6965.431479][ T7704] netlink_rcv_skb+0x130/0x360 [ 6965.431479][ T7704] netlink_unicast+0x449/0x710 [ 6965.431479][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6965.431479][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6965.431479][ T7704] ___sys_sendmsg+0xee/0x170 [ 6965.431479][ T7704] __sys_sendmsg+0xcd/0x170 [ 6965.431479][ T7704] do_syscall_64+0xc6/0x1e0 [ 6965.431479][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6965.431479][ T7704] [ 6965.433678][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6965.433678][ T7704] netdev_get_by_index+0x5e/0x80 [ 6965.433678][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6965.433678][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6965.433678][ T7704] ip6_route_add+0x1c/0x140 [ 6965.433678][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6965.433678][ T7704] addrconf_add_dev+0xe2/0x170 [ 6965.433678][ T7704] inet6_addr_add+0x12f/0xa40 [ 6965.433678][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6965.433678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6965.433678][ T7704] netlink_rcv_skb+0x130/0x360 [ 6965.433678][ T7704] netlink_unicast+0x449/0x710 [ 6965.433678][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6965.433678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6965.433678][ T7704] ___sys_sendmsg+0xee/0x170 [ 6965.433678][ T7704] __sys_sendmsg+0xcd/0x170 [ 6965.433678][ T7704] do_syscall_64+0xc6/0x1e0 [ 6965.433678][ T7704] [ 6965.435844][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6965.435844][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6965.435844][ T7704] ipv6_find_idev+0x102/0x170 [ 6965.435844][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6965.435844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6965.435844][ T7704] netlink_rcv_skb+0x130/0x360 [ 6965.435844][ T7704] netlink_unicast+0x449/0x710 [ 6965.435844][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6965.435844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6965.435844][ T7704] ___sys_sendmsg+0xee/0x170 [ 6965.435844][ T7704] __sys_sendmsg+0xcd/0x170 [ 6965.435844][ T7704] do_syscall_64+0xc6/0x1e0 [ 6965.435844][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6965.435844][ T7704] [ 6965.437546][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6965.437546][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6965.437546][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6965.437546][ T7704] ipv6_find_idev+0x102/0x170 [ 6965.437546][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6965.437546][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6965.437546][ T7704] netlink_rcv_skb+0x130/0x360 [ 6965.437546][ T7704] netlink_unicast+0x449/0x710 [ 6965.437546][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6965.437546][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6965.437546][ T7704] ___sys_sendmsg+0xee/0x170 [ 6965.437546][ T7704] __sys_sendmsg+0xcd/0x170 [ 6965.437546][ T7704] do_syscall_64+0xc6/0x1e0 [ 6965.437546][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6965.437546][ T7704] [ 6975.676794][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6975.677271][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6975.677271][ T7704] netdev_get_by_index+0x5e/0x80 [ 6975.677271][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6975.677271][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6975.677271][ T7704] ip6_route_add+0x1c/0x140 [ 6975.677271][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6975.677271][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6975.677271][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6975.677271][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6975.677271][ T7704] netlink_rcv_skb+0x130/0x360 [ 6975.677271][ T7704] netlink_unicast+0x449/0x710 [ 6975.677271][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6975.677271][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6975.677271][ T7704] ___sys_sendmsg+0xee/0x170 [ 6975.677271][ T7704] __sys_sendmsg+0xcd/0x170 [ 6975.677271][ T7704] do_syscall_64+0xc6/0x1e0 [ 6975.677271][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6975.677271][ T7704] [ 6975.679538][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6975.679538][ T7704] netdev_get_by_index+0x5e/0x80 [ 6975.679538][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6975.679538][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6975.679538][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6975.679538][ T7704] ipv6_add_addr+0x411/0x2000 [ 6975.679538][ T7704] inet6_addr_add+0x30e/0xa40 [ 6975.679538][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6975.679538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6975.679538][ T7704] netlink_rcv_skb+0x130/0x360 [ 6975.679538][ T7704] netlink_unicast+0x449/0x710 [ 6975.679538][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6975.679538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6975.679538][ T7704] ___sys_sendmsg+0xee/0x170 [ 6975.679538][ T7704] __sys_sendmsg+0xcd/0x170 [ 6975.679538][ T7704] do_syscall_64+0xc6/0x1e0 [ 6975.679538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6975.679538][ T7704] [ 6975.681738][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6975.681738][ T7704] netdev_get_by_index+0x5e/0x80 [ 6975.681738][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6975.681738][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6975.681738][ T7704] ip6_route_add+0x1c/0x140 [ 6975.681738][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6975.681738][ T7704] addrconf_add_dev+0xe2/0x170 [ 6975.681738][ T7704] inet6_addr_add+0x12f/0xa40 [ 6975.681738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6975.681738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6975.681738][ T7704] netlink_rcv_skb+0x130/0x360 [ 6975.681738][ T7704] netlink_unicast+0x449/0x710 [ 6975.681738][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6975.681738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6975.681738][ T7704] ___sys_sendmsg+0xee/0x170 [ 6975.681738][ T7704] __sys_sendmsg+0xcd/0x170 [ 6975.681738][ T7704] do_syscall_64+0xc6/0x1e0 [ 6975.681738][ T7704] [ 6975.683926][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6975.683926][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6975.683926][ T7704] ipv6_find_idev+0x102/0x170 [ 6975.683926][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6975.683926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6975.683926][ T7704] netlink_rcv_skb+0x130/0x360 [ 6975.683926][ T7704] netlink_unicast+0x449/0x710 [ 6975.683926][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6975.683926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6975.683926][ T7704] ___sys_sendmsg+0xee/0x170 [ 6975.683926][ T7704] __sys_sendmsg+0xcd/0x170 [ 6975.683926][ T7704] do_syscall_64+0xc6/0x1e0 [ 6975.683926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6975.683926][ T7704] [ 6975.685629][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6975.685629][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6975.685629][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6975.685629][ T7704] ipv6_find_idev+0x102/0x170 [ 6975.685629][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6975.685629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6975.685629][ T7704] netlink_rcv_skb+0x130/0x360 [ 6975.685629][ T7704] netlink_unicast+0x449/0x710 [ 6975.685629][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6975.685629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6975.685629][ T7704] ___sys_sendmsg+0xee/0x170 [ 6975.685629][ T7704] __sys_sendmsg+0xcd/0x170 [ 6975.685629][ T7704] do_syscall_64+0xc6/0x1e0 [ 6975.685629][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6975.685629][ T7704] [ 6985.924802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6985.925257][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6985.925257][ T7704] netdev_get_by_index+0x5e/0x80 [ 6985.925257][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6985.925257][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6985.925257][ T7704] ip6_route_add+0x1c/0x140 [ 6985.925257][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6985.925257][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6985.925257][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6985.925257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6985.925257][ T7704] netlink_rcv_skb+0x130/0x360 [ 6985.925257][ T7704] netlink_unicast+0x449/0x710 [ 6985.925257][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6985.925257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6985.925257][ T7704] ___sys_sendmsg+0xee/0x170 [ 6985.925257][ T7704] __sys_sendmsg+0xcd/0x170 [ 6985.925257][ T7704] do_syscall_64+0xc6/0x1e0 [ 6985.925257][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6985.925257][ T7704] [ 6985.927475][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6985.927475][ T7704] netdev_get_by_index+0x5e/0x80 [ 6985.927475][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6985.927475][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6985.927475][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6985.927475][ T7704] ipv6_add_addr+0x411/0x2000 [ 6985.927475][ T7704] inet6_addr_add+0x30e/0xa40 [ 6985.927475][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6985.927475][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6985.927475][ T7704] netlink_rcv_skb+0x130/0x360 [ 6985.927475][ T7704] netlink_unicast+0x449/0x710 [ 6985.927475][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6985.927475][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6985.927475][ T7704] ___sys_sendmsg+0xee/0x170 [ 6985.927475][ T7704] __sys_sendmsg+0xcd/0x170 [ 6985.927475][ T7704] do_syscall_64+0xc6/0x1e0 [ 6985.927475][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6985.927475][ T7704] [ 6985.929698][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6985.929698][ T7704] netdev_get_by_index+0x5e/0x80 [ 6985.929698][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6985.929698][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6985.929698][ T7704] ip6_route_add+0x1c/0x140 [ 6985.929698][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6985.929698][ T7704] addrconf_add_dev+0xe2/0x170 [ 6985.929698][ T7704] inet6_addr_add+0x12f/0xa40 [ 6985.929698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6985.929698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6985.929698][ T7704] netlink_rcv_skb+0x130/0x360 [ 6985.929698][ T7704] netlink_unicast+0x449/0x710 [ 6985.929698][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6985.929698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6985.929698][ T7704] ___sys_sendmsg+0xee/0x170 [ 6985.929698][ T7704] __sys_sendmsg+0xcd/0x170 [ 6985.929698][ T7704] do_syscall_64+0xc6/0x1e0 [ 6985.929698][ T7704] [ 6985.931800][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6985.931800][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6985.931800][ T7704] ipv6_find_idev+0x102/0x170 [ 6985.931800][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6985.931800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6985.931800][ T7704] netlink_rcv_skb+0x130/0x360 [ 6985.931800][ T7704] netlink_unicast+0x449/0x710 [ 6985.931800][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6985.931800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6985.931800][ T7704] ___sys_sendmsg+0xee/0x170 [ 6985.931800][ T7704] __sys_sendmsg+0xcd/0x170 [ 6985.931800][ T7704] do_syscall_64+0xc6/0x1e0 [ 6985.931800][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6985.931800][ T7704] [ 6985.933494][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6985.933494][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6985.933494][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6985.933494][ T7704] ipv6_find_idev+0x102/0x170 [ 6985.933494][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6985.933494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6985.933494][ T7704] netlink_rcv_skb+0x130/0x360 [ 6985.933494][ T7704] netlink_unicast+0x449/0x710 [ 6985.933494][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6985.933494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6985.933494][ T7704] ___sys_sendmsg+0xee/0x170 [ 6985.933494][ T7704] __sys_sendmsg+0xcd/0x170 [ 6985.933494][ T7704] do_syscall_64+0xc6/0x1e0 [ 6985.933494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6985.933494][ T7704] [ 6995.988736][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 6995.989205][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6995.989205][ T7704] netdev_get_by_index+0x5e/0x80 [ 6995.989205][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6995.989205][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6995.989205][ T7704] ip6_route_add+0x1c/0x140 [ 6995.989205][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 6995.989205][ T7704] inet6_addr_add+0x4f8/0xa40 [ 6995.989205][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6995.989205][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6995.989205][ T7704] netlink_rcv_skb+0x130/0x360 [ 6995.989205][ T7704] netlink_unicast+0x449/0x710 [ 6995.989205][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6995.989205][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6995.989205][ T7704] ___sys_sendmsg+0xee/0x170 [ 6995.989205][ T7704] __sys_sendmsg+0xcd/0x170 [ 6995.989205][ T7704] do_syscall_64+0xc6/0x1e0 [ 6995.989205][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6995.989205][ T7704] [ 6995.991432][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6995.991432][ T7704] netdev_get_by_index+0x5e/0x80 [ 6995.991432][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6995.991432][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6995.991432][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 6995.991432][ T7704] ipv6_add_addr+0x411/0x2000 [ 6995.991432][ T7704] inet6_addr_add+0x30e/0xa40 [ 6995.991432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6995.991432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6995.991432][ T7704] netlink_rcv_skb+0x130/0x360 [ 6995.991432][ T7704] netlink_unicast+0x449/0x710 [ 6995.991432][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6995.991432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6995.991432][ T7704] ___sys_sendmsg+0xee/0x170 [ 6995.991432][ T7704] __sys_sendmsg+0xcd/0x170 [ 6995.991432][ T7704] do_syscall_64+0xc6/0x1e0 [ 6995.991432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6995.991432][ T7704] [ 6995.993648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6995.993648][ T7704] netdev_get_by_index+0x5e/0x80 [ 6995.993648][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 6995.993648][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 6995.993648][ T7704] ip6_route_add+0x1c/0x140 [ 6995.993648][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 6995.993648][ T7704] addrconf_add_dev+0xe2/0x170 [ 6995.993648][ T7704] inet6_addr_add+0x12f/0xa40 [ 6995.993648][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 6995.993648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6995.993648][ T7704] netlink_rcv_skb+0x130/0x360 [ 6995.993648][ T7704] netlink_unicast+0x449/0x710 [ 6995.993648][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6995.993648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6995.993648][ T7704] ___sys_sendmsg+0xee/0x170 [ 6995.993648][ T7704] __sys_sendmsg+0xcd/0x170 [ 6995.993648][ T7704] do_syscall_64+0xc6/0x1e0 [ 6995.993648][ T7704] [ 6995.995777][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6995.995777][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 6995.995777][ T7704] ipv6_find_idev+0x102/0x170 [ 6995.995777][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6995.995777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6995.995777][ T7704] netlink_rcv_skb+0x130/0x360 [ 6995.995777][ T7704] netlink_unicast+0x449/0x710 [ 6995.995777][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6995.995777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6995.995777][ T7704] ___sys_sendmsg+0xee/0x170 [ 6995.995777][ T7704] __sys_sendmsg+0xcd/0x170 [ 6995.995777][ T7704] do_syscall_64+0xc6/0x1e0 [ 6995.995777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6995.995777][ T7704] [ 6995.997475][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 6995.997475][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 6995.997475][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 6995.997475][ T7704] ipv6_find_idev+0x102/0x170 [ 6995.997475][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 6995.997475][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6995.997475][ T7704] netlink_rcv_skb+0x130/0x360 [ 6995.997475][ T7704] netlink_unicast+0x449/0x710 [ 6995.997475][ T7704] netlink_sendmsg+0x723/0xbe0 [ 6995.997475][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 6995.997475][ T7704] ___sys_sendmsg+0xee/0x170 [ 6995.997475][ T7704] __sys_sendmsg+0xcd/0x170 [ 6995.997475][ T7704] do_syscall_64+0xc6/0x1e0 [ 6995.997475][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6995.997475][ T7704] [ 7006.236752][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7006.237229][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7006.237229][ T7704] netdev_get_by_index+0x5e/0x80 [ 7006.237229][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7006.237229][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7006.237229][ T7704] ip6_route_add+0x1c/0x140 [ 7006.237229][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7006.237229][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7006.237229][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7006.237229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7006.237229][ T7704] netlink_rcv_skb+0x130/0x360 [ 7006.237229][ T7704] netlink_unicast+0x449/0x710 [ 7006.237229][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7006.237229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7006.237229][ T7704] ___sys_sendmsg+0xee/0x170 [ 7006.237229][ T7704] __sys_sendmsg+0xcd/0x170 [ 7006.237229][ T7704] do_syscall_64+0xc6/0x1e0 [ 7006.237229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7006.237229][ T7704] [ 7006.239513][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7006.239513][ T7704] netdev_get_by_index+0x5e/0x80 [ 7006.239513][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7006.239513][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7006.239513][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7006.239513][ T7704] ipv6_add_addr+0x411/0x2000 [ 7006.239513][ T7704] inet6_addr_add+0x30e/0xa40 [ 7006.239513][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7006.239513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7006.239513][ T7704] netlink_rcv_skb+0x130/0x360 [ 7006.239513][ T7704] netlink_unicast+0x449/0x710 [ 7006.239513][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7006.239513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7006.239513][ T7704] ___sys_sendmsg+0xee/0x170 [ 7006.239513][ T7704] __sys_sendmsg+0xcd/0x170 [ 7006.239513][ T7704] do_syscall_64+0xc6/0x1e0 [ 7006.239513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7006.239513][ T7704] [ 7006.241710][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7006.241710][ T7704] netdev_get_by_index+0x5e/0x80 [ 7006.241710][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7006.241710][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7006.241710][ T7704] ip6_route_add+0x1c/0x140 [ 7006.241710][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7006.241710][ T7704] addrconf_add_dev+0xe2/0x170 [ 7006.241710][ T7704] inet6_addr_add+0x12f/0xa40 [ 7006.241710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7006.241710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7006.241710][ T7704] netlink_rcv_skb+0x130/0x360 [ 7006.241710][ T7704] netlink_unicast+0x449/0x710 [ 7006.241710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7006.241710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7006.241710][ T7704] ___sys_sendmsg+0xee/0x170 [ 7006.241710][ T7704] __sys_sendmsg+0xcd/0x170 [ 7006.241710][ T7704] do_syscall_64+0xc6/0x1e0 [ 7006.241710][ T7704] [ 7006.243870][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7006.243870][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7006.243870][ T7704] ipv6_find_idev+0x102/0x170 [ 7006.243870][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7006.243870][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7006.243870][ T7704] netlink_rcv_skb+0x130/0x360 [ 7006.243870][ T7704] netlink_unicast+0x449/0x710 [ 7006.243870][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7006.243870][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7006.243870][ T7704] ___sys_sendmsg+0xee/0x170 [ 7006.243870][ T7704] __sys_sendmsg+0xcd/0x170 [ 7006.243870][ T7704] do_syscall_64+0xc6/0x1e0 [ 7006.243870][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7006.243870][ T7704] [ 7006.245558][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7006.245558][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7006.245558][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7006.245558][ T7704] ipv6_find_idev+0x102/0x170 [ 7006.245558][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7006.245558][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7006.245558][ T7704] netlink_rcv_skb+0x130/0x360 [ 7006.245558][ T7704] netlink_unicast+0x449/0x710 [ 7006.245558][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7006.245558][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7006.245558][ T7704] ___sys_sendmsg+0xee/0x170 [ 7006.245558][ T7704] __sys_sendmsg+0xcd/0x170 [ 7006.245558][ T7704] do_syscall_64+0xc6/0x1e0 [ 7006.245558][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7006.245558][ T7704] [ 7016.292814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7016.293290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7016.293290][ T7704] netdev_get_by_index+0x5e/0x80 [ 7016.293290][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7016.293290][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7016.293290][ T7704] ip6_route_add+0x1c/0x140 [ 7016.293290][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7016.293290][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7016.293290][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7016.293290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7016.293290][ T7704] netlink_rcv_skb+0x130/0x360 [ 7016.293290][ T7704] netlink_unicast+0x449/0x710 [ 7016.293290][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7016.293290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7016.293290][ T7704] ___sys_sendmsg+0xee/0x170 [ 7016.293290][ T7704] __sys_sendmsg+0xcd/0x170 [ 7016.293290][ T7704] do_syscall_64+0xc6/0x1e0 [ 7016.293290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7016.293290][ T7704] [ 7016.295569][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7016.295569][ T7704] netdev_get_by_index+0x5e/0x80 [ 7016.295569][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7016.295569][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7016.295569][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7016.295569][ T7704] ipv6_add_addr+0x411/0x2000 [ 7016.295569][ T7704] inet6_addr_add+0x30e/0xa40 [ 7016.295569][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7016.295569][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7016.295569][ T7704] netlink_rcv_skb+0x130/0x360 [ 7016.295569][ T7704] netlink_unicast+0x449/0x710 [ 7016.295569][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7016.295569][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7016.295569][ T7704] ___sys_sendmsg+0xee/0x170 [ 7016.295569][ T7704] __sys_sendmsg+0xcd/0x170 [ 7016.295569][ T7704] do_syscall_64+0xc6/0x1e0 [ 7016.295569][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7016.295569][ T7704] [ 7016.297816][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7016.297816][ T7704] netdev_get_by_index+0x5e/0x80 [ 7016.297816][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7016.297816][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7016.297816][ T7704] ip6_route_add+0x1c/0x140 [ 7016.297816][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7016.297816][ T7704] addrconf_add_dev+0xe2/0x170 [ 7016.297816][ T7704] inet6_addr_add+0x12f/0xa40 [ 7016.297816][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7016.297816][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7016.297816][ T7704] netlink_rcv_skb+0x130/0x360 [ 7016.297816][ T7704] netlink_unicast+0x449/0x710 [ 7016.297816][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7016.297816][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7016.297816][ T7704] ___sys_sendmsg+0xee/0x170 [ 7016.297816][ T7704] __sys_sendmsg+0xcd/0x170 [ 7016.297816][ T7704] do_syscall_64+0xc6/0x1e0 [ 7016.297816][ T7704] [ 7016.300022][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7016.300022][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7016.300022][ T7704] ipv6_find_idev+0x102/0x170 [ 7016.300022][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7016.300022][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7016.300022][ T7704] netlink_rcv_skb+0x130/0x360 [ 7016.300022][ T7704] netlink_unicast+0x449/0x710 [ 7016.300022][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7016.300022][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7016.300022][ T7704] ___sys_sendmsg+0xee/0x170 [ 7016.300022][ T7704] __sys_sendmsg+0xcd/0x170 [ 7016.300022][ T7704] do_syscall_64+0xc6/0x1e0 [ 7016.300022][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7016.300022][ T7704] [ 7016.301703][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7016.301703][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7016.301703][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7016.301703][ T7704] ipv6_find_idev+0x102/0x170 [ 7016.301703][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7016.301703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7016.301703][ T7704] netlink_rcv_skb+0x130/0x360 [ 7016.301703][ T7704] netlink_unicast+0x449/0x710 [ 7016.301703][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7016.301703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7016.301703][ T7704] ___sys_sendmsg+0xee/0x170 [ 7016.301703][ T7704] __sys_sendmsg+0xcd/0x170 [ 7016.301703][ T7704] do_syscall_64+0xc6/0x1e0 [ 7016.301703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7016.301703][ T7704] [ 7026.548739][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7026.549214][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7026.549214][ T7704] netdev_get_by_index+0x5e/0x80 [ 7026.549214][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7026.549214][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7026.549214][ T7704] ip6_route_add+0x1c/0x140 [ 7026.549214][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7026.549214][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7026.549214][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7026.549214][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7026.549214][ T7704] netlink_rcv_skb+0x130/0x360 [ 7026.549214][ T7704] netlink_unicast+0x449/0x710 [ 7026.549214][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7026.549214][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7026.549214][ T7704] ___sys_sendmsg+0xee/0x170 [ 7026.549214][ T7704] __sys_sendmsg+0xcd/0x170 [ 7026.549214][ T7704] do_syscall_64+0xc6/0x1e0 [ 7026.549214][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7026.549214][ T7704] [ 7026.551916][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7026.551916][ T7704] netdev_get_by_index+0x5e/0x80 [ 7026.551916][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7026.551916][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7026.551916][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7026.551916][ T7704] ipv6_add_addr+0x411/0x2000 [ 7026.551916][ T7704] inet6_addr_add+0x30e/0xa40 [ 7026.551916][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7026.551916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7026.551916][ T7704] netlink_rcv_skb+0x130/0x360 [ 7026.551916][ T7704] netlink_unicast+0x449/0x710 [ 7026.551916][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7026.551916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7026.551916][ T7704] ___sys_sendmsg+0xee/0x170 [ 7026.551916][ T7704] __sys_sendmsg+0xcd/0x170 [ 7026.551916][ T7704] do_syscall_64+0xc6/0x1e0 [ 7026.551916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7026.551916][ T7704] [ 7026.554064][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7026.554064][ T7704] netdev_get_by_index+0x5e/0x80 [ 7026.554064][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7026.554064][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7026.554064][ T7704] ip6_route_add+0x1c/0x140 [ 7026.554064][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7026.554064][ T7704] addrconf_add_dev+0xe2/0x170 [ 7026.554064][ T7704] inet6_addr_add+0x12f/0xa40 [ 7026.554064][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7026.554064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7026.554064][ T7704] netlink_rcv_skb+0x130/0x360 [ 7026.554064][ T7704] netlink_unicast+0x449/0x710 [ 7026.554064][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7026.554064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7026.554064][ T7704] ___sys_sendmsg+0xee/0x170 [ 7026.554064][ T7704] __sys_sendmsg+0xcd/0x170 [ 7026.554064][ T7704] do_syscall_64+0xc6/0x1e0 [ 7026.554064][ T7704] [ 7026.556176][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7026.556176][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7026.556176][ T7704] ipv6_find_idev+0x102/0x170 [ 7026.556176][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7026.556176][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7026.556176][ T7704] netlink_rcv_skb+0x130/0x360 [ 7026.556176][ T7704] netlink_unicast+0x449/0x710 [ 7026.556176][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7026.556176][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7026.556176][ T7704] ___sys_sendmsg+0xee/0x170 [ 7026.556176][ T7704] __sys_sendmsg+0xcd/0x170 [ 7026.556176][ T7704] do_syscall_64+0xc6/0x1e0 [ 7026.556176][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7026.556176][ T7704] [ 7026.557827][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7026.557827][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7026.557827][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7026.557827][ T7704] ipv6_find_idev+0x102/0x170 [ 7026.557827][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7026.557827][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7026.557827][ T7704] netlink_rcv_skb+0x130/0x360 [ 7026.557827][ T7704] netlink_unicast+0x449/0x710 [ 7026.557827][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7026.557827][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7026.557827][ T7704] ___sys_sendmsg+0xee/0x170 [ 7026.557827][ T7704] __sys_sendmsg+0xcd/0x170 [ 7026.557827][ T7704] do_syscall_64+0xc6/0x1e0 [ 7026.557827][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7026.557827][ T7704] [ 7036.732780][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7036.733465][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7036.733465][ T7704] netdev_get_by_index+0x5e/0x80 [ 7036.733465][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7036.733465][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7036.733465][ T7704] ip6_route_add+0x1c/0x140 [ 7036.733465][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7036.733465][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7036.733465][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7036.733465][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7036.733465][ T7704] netlink_rcv_skb+0x130/0x360 [ 7036.733465][ T7704] netlink_unicast+0x449/0x710 [ 7036.733465][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7036.733465][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7036.733465][ T7704] ___sys_sendmsg+0xee/0x170 [ 7036.733465][ T7704] __sys_sendmsg+0xcd/0x170 [ 7036.733465][ T7704] do_syscall_64+0xc6/0x1e0 [ 7036.733465][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7036.733465][ T7704] [ 7036.735909][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7036.735909][ T7704] netdev_get_by_index+0x5e/0x80 [ 7036.735909][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7036.735909][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7036.735909][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7036.735909][ T7704] ipv6_add_addr+0x411/0x2000 [ 7036.735909][ T7704] inet6_addr_add+0x30e/0xa40 [ 7036.735909][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7036.735909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7036.735909][ T7704] netlink_rcv_skb+0x130/0x360 [ 7036.735909][ T7704] netlink_unicast+0x449/0x710 [ 7036.735909][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7036.735909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7036.735909][ T7704] ___sys_sendmsg+0xee/0x170 [ 7036.735909][ T7704] __sys_sendmsg+0xcd/0x170 [ 7036.735909][ T7704] do_syscall_64+0xc6/0x1e0 [ 7036.735909][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7036.735909][ T7704] [ 7036.738127][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7036.738127][ T7704] netdev_get_by_index+0x5e/0x80 [ 7036.738127][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7036.738127][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7036.738127][ T7704] ip6_route_add+0x1c/0x140 [ 7036.738127][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7036.738127][ T7704] addrconf_add_dev+0xe2/0x170 [ 7036.738127][ T7704] inet6_addr_add+0x12f/0xa40 [ 7036.738127][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7036.738127][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7036.738127][ T7704] netlink_rcv_skb+0x130/0x360 [ 7036.738127][ T7704] netlink_unicast+0x449/0x710 [ 7036.738127][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7036.738127][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7036.738127][ T7704] ___sys_sendmsg+0xee/0x170 [ 7036.738127][ T7704] __sys_sendmsg+0xcd/0x170 [ 7036.738127][ T7704] do_syscall_64+0xc6/0x1e0 [ 7036.738127][ T7704] [ 7036.740716][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7036.740716][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7036.740716][ T7704] ipv6_find_idev+0x102/0x170 [ 7036.740716][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7036.740716][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7036.740716][ T7704] netlink_rcv_skb+0x130/0x360 [ 7036.740716][ T7704] netlink_unicast+0x449/0x710 [ 7036.740716][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7036.740716][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7036.740716][ T7704] ___sys_sendmsg+0xee/0x170 [ 7036.740716][ T7704] __sys_sendmsg+0xcd/0x170 [ 7036.740716][ T7704] do_syscall_64+0xc6/0x1e0 [ 7036.740716][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7036.740716][ T7704] [ 7036.742963][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7036.742963][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7036.742963][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7036.742963][ T7704] ipv6_find_idev+0x102/0x170 [ 7036.742963][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7036.742963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7036.742963][ T7704] netlink_rcv_skb+0x130/0x360 [ 7036.742963][ T7704] netlink_unicast+0x449/0x710 [ 7036.742963][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7036.742963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7036.742963][ T7704] ___sys_sendmsg+0xee/0x170 [ 7036.742963][ T7704] __sys_sendmsg+0xcd/0x170 [ 7036.742963][ T7704] do_syscall_64+0xc6/0x1e0 [ 7036.742963][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7036.742963][ T7704] [ 7046.860814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7046.861301][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7046.861301][ T7704] netdev_get_by_index+0x5e/0x80 [ 7046.861301][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7046.861301][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7046.861301][ T7704] ip6_route_add+0x1c/0x140 [ 7046.861301][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7046.861301][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7046.861301][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7046.861301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7046.861301][ T7704] netlink_rcv_skb+0x130/0x360 [ 7046.861301][ T7704] netlink_unicast+0x449/0x710 [ 7046.861301][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7046.861301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7046.861301][ T7704] ___sys_sendmsg+0xee/0x170 [ 7046.861301][ T7704] __sys_sendmsg+0xcd/0x170 [ 7046.861301][ T7704] do_syscall_64+0xc6/0x1e0 [ 7046.861301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7046.861301][ T7704] [ 7046.863564][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7046.863564][ T7704] netdev_get_by_index+0x5e/0x80 [ 7046.863564][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7046.863564][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7046.863564][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7046.863564][ T7704] ipv6_add_addr+0x411/0x2000 [ 7046.863564][ T7704] inet6_addr_add+0x30e/0xa40 [ 7046.863564][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7046.863564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7046.863564][ T7704] netlink_rcv_skb+0x130/0x360 [ 7046.863564][ T7704] netlink_unicast+0x449/0x710 [ 7046.863564][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7046.863564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7046.863564][ T7704] ___sys_sendmsg+0xee/0x170 [ 7046.863564][ T7704] __sys_sendmsg+0xcd/0x170 [ 7046.863564][ T7704] do_syscall_64+0xc6/0x1e0 [ 7046.863564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7046.863564][ T7704] [ 7046.865775][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7046.865775][ T7704] netdev_get_by_index+0x5e/0x80 [ 7046.865775][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7046.865775][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7046.865775][ T7704] ip6_route_add+0x1c/0x140 [ 7046.865775][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7046.865775][ T7704] addrconf_add_dev+0xe2/0x170 [ 7046.865775][ T7704] inet6_addr_add+0x12f/0xa40 [ 7046.865775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7046.865775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7046.865775][ T7704] netlink_rcv_skb+0x130/0x360 [ 7046.865775][ T7704] netlink_unicast+0x449/0x710 [ 7046.865775][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7046.865775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7046.865775][ T7704] ___sys_sendmsg+0xee/0x170 [ 7046.865775][ T7704] __sys_sendmsg+0xcd/0x170 [ 7046.865775][ T7704] do_syscall_64+0xc6/0x1e0 [ 7046.865775][ T7704] [ 7046.867958][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7046.867958][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7046.867958][ T7704] ipv6_find_idev+0x102/0x170 [ 7046.867958][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7046.867958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7046.867958][ T7704] netlink_rcv_skb+0x130/0x360 [ 7046.867958][ T7704] netlink_unicast+0x449/0x710 [ 7046.867958][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7046.867958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7046.867958][ T7704] ___sys_sendmsg+0xee/0x170 [ 7046.867958][ T7704] __sys_sendmsg+0xcd/0x170 [ 7046.867958][ T7704] do_syscall_64+0xc6/0x1e0 [ 7046.867958][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7046.867958][ T7704] [ 7046.869672][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7046.869672][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7046.869672][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7046.869672][ T7704] ipv6_find_idev+0x102/0x170 [ 7046.869672][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7046.869672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7046.869672][ T7704] netlink_rcv_skb+0x130/0x360 [ 7046.869672][ T7704] netlink_unicast+0x449/0x710 [ 7046.869672][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7046.869672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7046.869672][ T7704] ___sys_sendmsg+0xee/0x170 [ 7046.869672][ T7704] __sys_sendmsg+0xcd/0x170 [ 7046.869672][ T7704] do_syscall_64+0xc6/0x1e0 [ 7046.869672][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7046.869672][ T7704] [ 7057.116858][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7057.117275][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7057.117275][ T7704] netdev_get_by_index+0x5e/0x80 [ 7057.117275][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7057.117275][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7057.117275][ T7704] ip6_route_add+0x1c/0x140 [ 7057.117275][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7057.117275][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7057.117275][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7057.117275][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7057.117275][ T7704] netlink_rcv_skb+0x130/0x360 [ 7057.117275][ T7704] netlink_unicast+0x449/0x710 [ 7057.117275][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7057.117275][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7057.117275][ T7704] ___sys_sendmsg+0xee/0x170 [ 7057.117275][ T7704] __sys_sendmsg+0xcd/0x170 [ 7057.117275][ T7704] do_syscall_64+0xc6/0x1e0 [ 7057.117275][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7057.117275][ T7704] [ 7057.119526][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7057.119526][ T7704] netdev_get_by_index+0x5e/0x80 [ 7057.119526][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7057.119526][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7057.119526][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7057.119526][ T7704] ipv6_add_addr+0x411/0x2000 [ 7057.119526][ T7704] inet6_addr_add+0x30e/0xa40 [ 7057.119526][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7057.119526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7057.119526][ T7704] netlink_rcv_skb+0x130/0x360 [ 7057.119526][ T7704] netlink_unicast+0x449/0x710 [ 7057.119526][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7057.119526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7057.119526][ T7704] ___sys_sendmsg+0xee/0x170 [ 7057.119526][ T7704] __sys_sendmsg+0xcd/0x170 [ 7057.119526][ T7704] do_syscall_64+0xc6/0x1e0 [ 7057.119526][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7057.119526][ T7704] [ 7057.121773][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7057.121773][ T7704] netdev_get_by_index+0x5e/0x80 [ 7057.121773][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7057.121773][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7057.121773][ T7704] ip6_route_add+0x1c/0x140 [ 7057.121773][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7057.121773][ T7704] addrconf_add_dev+0xe2/0x170 [ 7057.121773][ T7704] inet6_addr_add+0x12f/0xa40 [ 7057.121773][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7057.121773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7057.121773][ T7704] netlink_rcv_skb+0x130/0x360 [ 7057.121773][ T7704] netlink_unicast+0x449/0x710 [ 7057.121773][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7057.121773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7057.121773][ T7704] ___sys_sendmsg+0xee/0x170 [ 7057.121773][ T7704] __sys_sendmsg+0xcd/0x170 [ 7057.121773][ T7704] do_syscall_64+0xc6/0x1e0 [ 7057.121773][ T7704] [ 7057.123966][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7057.123966][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7057.123966][ T7704] ipv6_find_idev+0x102/0x170 [ 7057.123966][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7057.123966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7057.123966][ T7704] netlink_rcv_skb+0x130/0x360 [ 7057.123966][ T7704] netlink_unicast+0x449/0x710 [ 7057.123966][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7057.123966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7057.123966][ T7704] ___sys_sendmsg+0xee/0x170 [ 7057.123966][ T7704] __sys_sendmsg+0xcd/0x170 [ 7057.123966][ T7704] do_syscall_64+0xc6/0x1e0 [ 7057.123966][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7057.123966][ T7704] [ 7057.125684][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7057.125684][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7057.125684][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7057.125684][ T7704] ipv6_find_idev+0x102/0x170 [ 7057.125684][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7057.125684][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7057.125684][ T7704] netlink_rcv_skb+0x130/0x360 [ 7057.125684][ T7704] netlink_unicast+0x449/0x710 [ 7057.125684][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7057.125684][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7057.125684][ T7704] ___sys_sendmsg+0xee/0x170 [ 7057.125684][ T7704] __sys_sendmsg+0xcd/0x170 [ 7057.125684][ T7704] do_syscall_64+0xc6/0x1e0 [ 7057.125684][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7057.125684][ T7704] [ 7067.836878][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7067.837297][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7067.837297][ T7704] netdev_get_by_index+0x5e/0x80 [ 7067.837297][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7067.837297][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7067.837297][ T7704] ip6_route_add+0x1c/0x140 [ 7067.837297][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7067.837297][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7067.837297][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7067.837297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7067.837297][ T7704] netlink_rcv_skb+0x130/0x360 [ 7067.837297][ T7704] netlink_unicast+0x449/0x710 [ 7067.837297][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7067.837297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7067.837297][ T7704] ___sys_sendmsg+0xee/0x170 [ 7067.837297][ T7704] __sys_sendmsg+0xcd/0x170 [ 7067.837297][ T7704] do_syscall_64+0xc6/0x1e0 [ 7067.837297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7067.837297][ T7704] [ 7067.839545][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7067.839545][ T7704] netdev_get_by_index+0x5e/0x80 [ 7067.839545][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7067.839545][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7067.839545][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7067.839545][ T7704] ipv6_add_addr+0x411/0x2000 [ 7067.839545][ T7704] inet6_addr_add+0x30e/0xa40 [ 7067.839545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7067.839545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7067.839545][ T7704] netlink_rcv_skb+0x130/0x360 [ 7067.839545][ T7704] netlink_unicast+0x449/0x710 [ 7067.839545][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7067.839545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7067.839545][ T7704] ___sys_sendmsg+0xee/0x170 [ 7067.839545][ T7704] __sys_sendmsg+0xcd/0x170 [ 7067.839545][ T7704] do_syscall_64+0xc6/0x1e0 [ 7067.839545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7067.839545][ T7704] [ 7067.841756][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7067.841756][ T7704] netdev_get_by_index+0x5e/0x80 [ 7067.841756][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7067.841756][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7067.841756][ T7704] ip6_route_add+0x1c/0x140 [ 7067.841756][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7067.841756][ T7704] addrconf_add_dev+0xe2/0x170 [ 7067.841756][ T7704] inet6_addr_add+0x12f/0xa40 [ 7067.841756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7067.841756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7067.841756][ T7704] netlink_rcv_skb+0x130/0x360 [ 7067.841756][ T7704] netlink_unicast+0x449/0x710 [ 7067.841756][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7067.841756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7067.841756][ T7704] ___sys_sendmsg+0xee/0x170 [ 7067.841756][ T7704] __sys_sendmsg+0xcd/0x170 [ 7067.841756][ T7704] do_syscall_64+0xc6/0x1e0 [ 7067.841756][ T7704] [ 7067.843986][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7067.843986][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7067.843986][ T7704] ipv6_find_idev+0x102/0x170 [ 7067.843986][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7067.843986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7067.843986][ T7704] netlink_rcv_skb+0x130/0x360 [ 7067.843986][ T7704] netlink_unicast+0x449/0x710 [ 7067.843986][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7067.843986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7067.843986][ T7704] ___sys_sendmsg+0xee/0x170 [ 7067.843986][ T7704] __sys_sendmsg+0xcd/0x170 [ 7067.843986][ T7704] do_syscall_64+0xc6/0x1e0 [ 7067.843986][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7067.843986][ T7704] [ 7067.845713][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7067.845713][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7067.845713][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7067.845713][ T7704] ipv6_find_idev+0x102/0x170 [ 7067.845713][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7067.845713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7067.845713][ T7704] netlink_rcv_skb+0x130/0x360 [ 7067.845713][ T7704] netlink_unicast+0x449/0x710 [ 7067.845713][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7067.845713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7067.845713][ T7704] ___sys_sendmsg+0xee/0x170 [ 7067.845713][ T7704] __sys_sendmsg+0xcd/0x170 [ 7067.845713][ T7704] do_syscall_64+0xc6/0x1e0 [ 7067.845713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7067.845713][ T7704] [ 7078.092881][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7078.093357][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7078.093357][ T7704] netdev_get_by_index+0x5e/0x80 [ 7078.093357][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7078.093357][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7078.093357][ T7704] ip6_route_add+0x1c/0x140 [ 7078.093357][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7078.093357][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7078.093357][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7078.093357][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7078.093357][ T7704] netlink_rcv_skb+0x130/0x360 [ 7078.093357][ T7704] netlink_unicast+0x449/0x710 [ 7078.093357][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7078.093357][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7078.093357][ T7704] ___sys_sendmsg+0xee/0x170 [ 7078.093357][ T7704] __sys_sendmsg+0xcd/0x170 [ 7078.093357][ T7704] do_syscall_64+0xc6/0x1e0 [ 7078.093357][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7078.093357][ T7704] [ 7078.095585][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7078.095585][ T7704] netdev_get_by_index+0x5e/0x80 [ 7078.095585][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7078.095585][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7078.095585][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7078.095585][ T7704] ipv6_add_addr+0x411/0x2000 [ 7078.095585][ T7704] inet6_addr_add+0x30e/0xa40 [ 7078.095585][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7078.095585][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7078.095585][ T7704] netlink_rcv_skb+0x130/0x360 [ 7078.095585][ T7704] netlink_unicast+0x449/0x710 [ 7078.095585][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7078.095585][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7078.095585][ T7704] ___sys_sendmsg+0xee/0x170 [ 7078.095585][ T7704] __sys_sendmsg+0xcd/0x170 [ 7078.095585][ T7704] do_syscall_64+0xc6/0x1e0 [ 7078.095585][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7078.095585][ T7704] [ 7078.097824][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7078.097824][ T7704] netdev_get_by_index+0x5e/0x80 [ 7078.097824][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7078.097824][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7078.097824][ T7704] ip6_route_add+0x1c/0x140 [ 7078.097824][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7078.097824][ T7704] addrconf_add_dev+0xe2/0x170 [ 7078.097824][ T7704] inet6_addr_add+0x12f/0xa40 [ 7078.097824][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7078.097824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7078.097824][ T7704] netlink_rcv_skb+0x130/0x360 [ 7078.097824][ T7704] netlink_unicast+0x449/0x710 [ 7078.097824][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7078.097824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7078.097824][ T7704] ___sys_sendmsg+0xee/0x170 [ 7078.097824][ T7704] __sys_sendmsg+0xcd/0x170 [ 7078.097824][ T7704] do_syscall_64+0xc6/0x1e0 [ 7078.097824][ T7704] [ 7078.099997][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7078.099997][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7078.099997][ T7704] ipv6_find_idev+0x102/0x170 [ 7078.099997][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7078.099997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7078.099997][ T7704] netlink_rcv_skb+0x130/0x360 [ 7078.099997][ T7704] netlink_unicast+0x449/0x710 [ 7078.099997][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7078.099997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7078.099997][ T7704] ___sys_sendmsg+0xee/0x170 [ 7078.099997][ T7704] __sys_sendmsg+0xcd/0x170 [ 7078.099997][ T7704] do_syscall_64+0xc6/0x1e0 [ 7078.099997][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7078.099997][ T7704] [ 7078.101694][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7078.101694][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7078.101694][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7078.101694][ T7704] ipv6_find_idev+0x102/0x170 [ 7078.101694][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7078.101694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7078.101694][ T7704] netlink_rcv_skb+0x130/0x360 [ 7078.101694][ T7704] netlink_unicast+0x449/0x710 [ 7078.101694][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7078.101694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7078.101694][ T7704] ___sys_sendmsg+0xee/0x170 [ 7078.101694][ T7704] __sys_sendmsg+0xcd/0x170 [ 7078.101694][ T7704] do_syscall_64+0xc6/0x1e0 [ 7078.101694][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7078.101694][ T7704] [ 7088.356762][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7088.357422][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7088.357422][ T7704] netdev_get_by_index+0x5e/0x80 [ 7088.357422][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7088.357422][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7088.357422][ T7704] ip6_route_add+0x1c/0x140 [ 7088.357422][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7088.357422][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7088.357422][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7088.357422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7088.357422][ T7704] netlink_rcv_skb+0x130/0x360 [ 7088.357422][ T7704] netlink_unicast+0x449/0x710 [ 7088.357422][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7088.357422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7088.357422][ T7704] ___sys_sendmsg+0xee/0x170 [ 7088.357422][ T7704] __sys_sendmsg+0xcd/0x170 [ 7088.357422][ T7704] do_syscall_64+0xc6/0x1e0 [ 7088.357422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7088.357422][ T7704] [ 7088.361002][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7088.361002][ T7704] netdev_get_by_index+0x5e/0x80 [ 7088.361002][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7088.361002][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7088.361002][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7088.361002][ T7704] ipv6_add_addr+0x411/0x2000 [ 7088.361002][ T7704] inet6_addr_add+0x30e/0xa40 [ 7088.361002][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7088.361002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7088.361002][ T7704] netlink_rcv_skb+0x130/0x360 [ 7088.361002][ T7704] netlink_unicast+0x449/0x710 [ 7088.361002][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7088.361002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7088.361002][ T7704] ___sys_sendmsg+0xee/0x170 [ 7088.361002][ T7704] __sys_sendmsg+0xcd/0x170 [ 7088.361002][ T7704] do_syscall_64+0xc6/0x1e0 [ 7088.361002][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7088.361002][ T7704] [ 7088.364415][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7088.364415][ T7704] netdev_get_by_index+0x5e/0x80 [ 7088.364415][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7088.364415][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7088.364415][ T7704] ip6_route_add+0x1c/0x140 [ 7088.364415][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7088.364415][ T7704] addrconf_add_dev+0xe2/0x170 [ 7088.364415][ T7704] inet6_addr_add+0x12f/0xa40 [ 7088.364415][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7088.364415][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7088.364415][ T7704] netlink_rcv_skb+0x130/0x360 [ 7088.364415][ T7704] netlink_unicast+0x449/0x710 [ 7088.364415][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7088.364415][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7088.364415][ T7704] ___sys_sendmsg+0xee/0x170 [ 7088.364415][ T7704] __sys_sendmsg+0xcd/0x170 [ 7088.364415][ T7704] do_syscall_64+0xc6/0x1e0 [ 7088.364415][ T7704] [ 7088.367685][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7088.367685][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7088.367685][ T7704] ipv6_find_idev+0x102/0x170 [ 7088.367685][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7088.367685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7088.367685][ T7704] netlink_rcv_skb+0x130/0x360 [ 7088.367685][ T7704] netlink_unicast+0x449/0x710 [ 7088.367685][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7088.367685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7088.367685][ T7704] ___sys_sendmsg+0xee/0x170 [ 7088.367685][ T7704] __sys_sendmsg+0xcd/0x170 [ 7088.367685][ T7704] do_syscall_64+0xc6/0x1e0 [ 7088.367685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7088.367685][ T7704] [ 7088.370388][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7088.370388][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7088.370388][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7088.370388][ T7704] ipv6_find_idev+0x102/0x170 [ 7088.370388][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7088.370388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7088.370388][ T7704] netlink_rcv_skb+0x130/0x360 [ 7088.370388][ T7704] netlink_unicast+0x449/0x710 [ 7088.370388][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7088.370388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7088.370388][ T7704] ___sys_sendmsg+0xee/0x170 [ 7088.370388][ T7704] __sys_sendmsg+0xcd/0x170 [ 7088.370388][ T7704] do_syscall_64+0xc6/0x1e0 [ 7088.370388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7088.370388][ T7704] [ 7098.620817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7098.621303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7098.621303][ T7704] netdev_get_by_index+0x5e/0x80 [ 7098.621303][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7098.621303][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7098.621303][ T7704] ip6_route_add+0x1c/0x140 [ 7098.621303][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7098.621303][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7098.621303][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7098.621303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7098.621303][ T7704] netlink_rcv_skb+0x130/0x360 [ 7098.621303][ T7704] netlink_unicast+0x449/0x710 [ 7098.621303][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7098.621303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7098.621303][ T7704] ___sys_sendmsg+0xee/0x170 [ 7098.621303][ T7704] __sys_sendmsg+0xcd/0x170 [ 7098.621303][ T7704] do_syscall_64+0xc6/0x1e0 [ 7098.621303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7098.621303][ T7704] [ 7098.623558][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7098.623558][ T7704] netdev_get_by_index+0x5e/0x80 [ 7098.623558][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7098.623558][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7098.623558][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7098.623558][ T7704] ipv6_add_addr+0x411/0x2000 [ 7098.623558][ T7704] inet6_addr_add+0x30e/0xa40 [ 7098.623558][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7098.623558][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7098.623558][ T7704] netlink_rcv_skb+0x130/0x360 [ 7098.623558][ T7704] netlink_unicast+0x449/0x710 [ 7098.623558][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7098.623558][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7098.623558][ T7704] ___sys_sendmsg+0xee/0x170 [ 7098.623558][ T7704] __sys_sendmsg+0xcd/0x170 [ 7098.623558][ T7704] do_syscall_64+0xc6/0x1e0 [ 7098.623558][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7098.623558][ T7704] [ 7098.625763][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7098.625763][ T7704] netdev_get_by_index+0x5e/0x80 [ 7098.625763][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7098.625763][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7098.625763][ T7704] ip6_route_add+0x1c/0x140 [ 7098.625763][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7098.625763][ T7704] addrconf_add_dev+0xe2/0x170 [ 7098.625763][ T7704] inet6_addr_add+0x12f/0xa40 [ 7098.625763][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7098.625763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7098.625763][ T7704] netlink_rcv_skb+0x130/0x360 [ 7098.625763][ T7704] netlink_unicast+0x449/0x710 [ 7098.625763][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7098.625763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7098.625763][ T7704] ___sys_sendmsg+0xee/0x170 [ 7098.625763][ T7704] __sys_sendmsg+0xcd/0x170 [ 7098.625763][ T7704] do_syscall_64+0xc6/0x1e0 [ 7098.625763][ T7704] [ 7098.627952][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7098.627952][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7098.627952][ T7704] ipv6_find_idev+0x102/0x170 [ 7098.627952][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7098.627952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7098.627952][ T7704] netlink_rcv_skb+0x130/0x360 [ 7098.627952][ T7704] netlink_unicast+0x449/0x710 [ 7098.627952][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7098.627952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7098.627952][ T7704] ___sys_sendmsg+0xee/0x170 [ 7098.627952][ T7704] __sys_sendmsg+0xcd/0x170 [ 7098.627952][ T7704] do_syscall_64+0xc6/0x1e0 [ 7098.627952][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7098.627952][ T7704] [ 7098.629656][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7098.629656][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7098.629656][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7098.629656][ T7704] ipv6_find_idev+0x102/0x170 [ 7098.629656][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7098.629656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7098.629656][ T7704] netlink_rcv_skb+0x130/0x360 [ 7098.629656][ T7704] netlink_unicast+0x449/0x710 [ 7098.629656][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7098.629656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7098.629656][ T7704] ___sys_sendmsg+0xee/0x170 [ 7098.629656][ T7704] __sys_sendmsg+0xcd/0x170 [ 7098.629656][ T7704] do_syscall_64+0xc6/0x1e0 [ 7098.629656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7098.629656][ T7704] [ 7108.876809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7108.877287][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7108.877287][ T7704] netdev_get_by_index+0x5e/0x80 [ 7108.877287][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7108.877287][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7108.877287][ T7704] ip6_route_add+0x1c/0x140 [ 7108.877287][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7108.877287][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7108.877287][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7108.877287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7108.877287][ T7704] netlink_rcv_skb+0x130/0x360 [ 7108.877287][ T7704] netlink_unicast+0x449/0x710 [ 7108.877287][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7108.877287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7108.877287][ T7704] ___sys_sendmsg+0xee/0x170 [ 7108.877287][ T7704] __sys_sendmsg+0xcd/0x170 [ 7108.877287][ T7704] do_syscall_64+0xc6/0x1e0 [ 7108.877287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7108.877287][ T7704] [ 7108.879537][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7108.879537][ T7704] netdev_get_by_index+0x5e/0x80 [ 7108.879537][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7108.879537][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7108.879537][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7108.879537][ T7704] ipv6_add_addr+0x411/0x2000 [ 7108.879537][ T7704] inet6_addr_add+0x30e/0xa40 [ 7108.879537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7108.879537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7108.879537][ T7704] netlink_rcv_skb+0x130/0x360 [ 7108.879537][ T7704] netlink_unicast+0x449/0x710 [ 7108.879537][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7108.879537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7108.879537][ T7704] ___sys_sendmsg+0xee/0x170 [ 7108.879537][ T7704] __sys_sendmsg+0xcd/0x170 [ 7108.879537][ T7704] do_syscall_64+0xc6/0x1e0 [ 7108.879537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7108.879537][ T7704] [ 7108.881740][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7108.881740][ T7704] netdev_get_by_index+0x5e/0x80 [ 7108.881740][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7108.881740][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7108.881740][ T7704] ip6_route_add+0x1c/0x140 [ 7108.881740][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7108.881740][ T7704] addrconf_add_dev+0xe2/0x170 [ 7108.881740][ T7704] inet6_addr_add+0x12f/0xa40 [ 7108.881740][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7108.881740][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7108.881740][ T7704] netlink_rcv_skb+0x130/0x360 [ 7108.881740][ T7704] netlink_unicast+0x449/0x710 [ 7108.881740][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7108.881740][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7108.881740][ T7704] ___sys_sendmsg+0xee/0x170 [ 7108.881740][ T7704] __sys_sendmsg+0xcd/0x170 [ 7108.881740][ T7704] do_syscall_64+0xc6/0x1e0 [ 7108.881740][ T7704] [ 7108.883912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7108.883912][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7108.883912][ T7704] ipv6_find_idev+0x102/0x170 [ 7108.883912][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7108.883912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7108.883912][ T7704] netlink_rcv_skb+0x130/0x360 [ 7108.883912][ T7704] netlink_unicast+0x449/0x710 [ 7108.883912][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7108.883912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7108.883912][ T7704] ___sys_sendmsg+0xee/0x170 [ 7108.883912][ T7704] __sys_sendmsg+0xcd/0x170 [ 7108.883912][ T7704] do_syscall_64+0xc6/0x1e0 [ 7108.883912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7108.883912][ T7704] [ 7108.885609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7108.885609][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7108.885609][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7108.885609][ T7704] ipv6_find_idev+0x102/0x170 [ 7108.885609][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7108.885609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7108.885609][ T7704] netlink_rcv_skb+0x130/0x360 [ 7108.885609][ T7704] netlink_unicast+0x449/0x710 [ 7108.885609][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7108.885609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7108.885609][ T7704] ___sys_sendmsg+0xee/0x170 [ 7108.885609][ T7704] __sys_sendmsg+0xcd/0x170 [ 7108.885609][ T7704] do_syscall_64+0xc6/0x1e0 [ 7108.885609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7108.885609][ T7704] [ 7119.132812][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7119.133281][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7119.133281][ T7704] netdev_get_by_index+0x5e/0x80 [ 7119.133281][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7119.133281][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7119.133281][ T7704] ip6_route_add+0x1c/0x140 [ 7119.133281][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7119.133281][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7119.133281][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7119.133281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7119.133281][ T7704] netlink_rcv_skb+0x130/0x360 [ 7119.133281][ T7704] netlink_unicast+0x449/0x710 [ 7119.133281][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7119.133281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7119.133281][ T7704] ___sys_sendmsg+0xee/0x170 [ 7119.133281][ T7704] __sys_sendmsg+0xcd/0x170 [ 7119.133281][ T7704] do_syscall_64+0xc6/0x1e0 [ 7119.133281][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7119.133281][ T7704] [ 7119.135526][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7119.135526][ T7704] netdev_get_by_index+0x5e/0x80 [ 7119.135526][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7119.135526][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7119.135526][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7119.135526][ T7704] ipv6_add_addr+0x411/0x2000 [ 7119.135526][ T7704] inet6_addr_add+0x30e/0xa40 [ 7119.135526][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7119.135526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7119.135526][ T7704] netlink_rcv_skb+0x130/0x360 [ 7119.135526][ T7704] netlink_unicast+0x449/0x710 [ 7119.135526][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7119.135526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7119.135526][ T7704] ___sys_sendmsg+0xee/0x170 [ 7119.135526][ T7704] __sys_sendmsg+0xcd/0x170 [ 7119.135526][ T7704] do_syscall_64+0xc6/0x1e0 [ 7119.135526][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7119.135526][ T7704] [ 7119.137754][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7119.137754][ T7704] netdev_get_by_index+0x5e/0x80 [ 7119.137754][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7119.137754][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7119.137754][ T7704] ip6_route_add+0x1c/0x140 [ 7119.137754][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7119.137754][ T7704] addrconf_add_dev+0xe2/0x170 [ 7119.137754][ T7704] inet6_addr_add+0x12f/0xa40 [ 7119.137754][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7119.137754][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7119.137754][ T7704] netlink_rcv_skb+0x130/0x360 [ 7119.137754][ T7704] netlink_unicast+0x449/0x710 [ 7119.137754][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7119.137754][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7119.137754][ T7704] ___sys_sendmsg+0xee/0x170 [ 7119.137754][ T7704] __sys_sendmsg+0xcd/0x170 [ 7119.137754][ T7704] do_syscall_64+0xc6/0x1e0 [ 7119.137754][ T7704] [ 7119.139928][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7119.139928][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7119.139928][ T7704] ipv6_find_idev+0x102/0x170 [ 7119.139928][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7119.139928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7119.139928][ T7704] netlink_rcv_skb+0x130/0x360 [ 7119.139928][ T7704] netlink_unicast+0x449/0x710 [ 7119.139928][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7119.139928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7119.139928][ T7704] ___sys_sendmsg+0xee/0x170 [ 7119.139928][ T7704] __sys_sendmsg+0xcd/0x170 [ 7119.139928][ T7704] do_syscall_64+0xc6/0x1e0 [ 7119.139928][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7119.139928][ T7704] [ 7119.141630][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7119.141630][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7119.141630][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7119.141630][ T7704] ipv6_find_idev+0x102/0x170 [ 7119.141630][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7119.141630][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7119.141630][ T7704] netlink_rcv_skb+0x130/0x360 [ 7119.141630][ T7704] netlink_unicast+0x449/0x710 [ 7119.141630][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7119.141630][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7119.141630][ T7704] ___sys_sendmsg+0xee/0x170 [ 7119.141630][ T7704] __sys_sendmsg+0xcd/0x170 [ 7119.141630][ T7704] do_syscall_64+0xc6/0x1e0 [ 7119.141630][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7119.141630][ T7704] [ 7129.388741][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7129.389174][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7129.389174][ T7704] netdev_get_by_index+0x5e/0x80 [ 7129.389174][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7129.389174][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7129.389174][ T7704] ip6_route_add+0x1c/0x140 [ 7129.389174][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7129.389174][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7129.389174][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7129.389174][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7129.389174][ T7704] netlink_rcv_skb+0x130/0x360 [ 7129.389174][ T7704] netlink_unicast+0x449/0x710 [ 7129.389174][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7129.389174][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7129.389174][ T7704] ___sys_sendmsg+0xee/0x170 [ 7129.389174][ T7704] __sys_sendmsg+0xcd/0x170 [ 7129.389174][ T7704] do_syscall_64+0xc6/0x1e0 [ 7129.389174][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7129.389174][ T7704] [ 7129.391560][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7129.391560][ T7704] netdev_get_by_index+0x5e/0x80 [ 7129.391560][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7129.391560][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7129.391560][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7129.391560][ T7704] ipv6_add_addr+0x411/0x2000 [ 7129.391560][ T7704] inet6_addr_add+0x30e/0xa40 [ 7129.391560][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7129.391560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7129.391560][ T7704] netlink_rcv_skb+0x130/0x360 [ 7129.391560][ T7704] netlink_unicast+0x449/0x710 [ 7129.391560][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7129.391560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7129.391560][ T7704] ___sys_sendmsg+0xee/0x170 [ 7129.391560][ T7704] __sys_sendmsg+0xcd/0x170 [ 7129.391560][ T7704] do_syscall_64+0xc6/0x1e0 [ 7129.391560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7129.391560][ T7704] [ 7129.394477][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7129.394477][ T7704] netdev_get_by_index+0x5e/0x80 [ 7129.394477][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7129.394477][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7129.394477][ T7704] ip6_route_add+0x1c/0x140 [ 7129.394477][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7129.394477][ T7704] addrconf_add_dev+0xe2/0x170 [ 7129.394477][ T7704] inet6_addr_add+0x12f/0xa40 [ 7129.394477][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7129.394477][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7129.394477][ T7704] netlink_rcv_skb+0x130/0x360 [ 7129.394477][ T7704] netlink_unicast+0x449/0x710 [ 7129.394477][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7129.394477][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7129.394477][ T7704] ___sys_sendmsg+0xee/0x170 [ 7129.394477][ T7704] __sys_sendmsg+0xcd/0x170 [ 7129.394477][ T7704] do_syscall_64+0xc6/0x1e0 [ 7129.394477][ T7704] [ 7129.396800][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7129.396800][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7129.396800][ T7704] ipv6_find_idev+0x102/0x170 [ 7129.396800][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7129.396800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7129.396800][ T7704] netlink_rcv_skb+0x130/0x360 [ 7129.396800][ T7704] netlink_unicast+0x449/0x710 [ 7129.396800][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7129.396800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7129.396800][ T7704] ___sys_sendmsg+0xee/0x170 [ 7129.396800][ T7704] __sys_sendmsg+0xcd/0x170 [ 7129.396800][ T7704] do_syscall_64+0xc6/0x1e0 [ 7129.396800][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7129.396800][ T7704] [ 7129.398630][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7129.398630][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7129.398630][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7129.398630][ T7704] ipv6_find_idev+0x102/0x170 [ 7129.398630][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7129.398630][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7129.398630][ T7704] netlink_rcv_skb+0x130/0x360 [ 7129.398630][ T7704] netlink_unicast+0x449/0x710 [ 7129.398630][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7129.398630][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7129.398630][ T7704] ___sys_sendmsg+0xee/0x170 [ 7129.398630][ T7704] __sys_sendmsg+0xcd/0x170 [ 7129.398630][ T7704] do_syscall_64+0xc6/0x1e0 [ 7129.398630][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7129.398630][ T7704] [ 7139.652754][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7139.653257][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7139.653257][ T7704] netdev_get_by_index+0x5e/0x80 [ 7139.653257][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7139.653257][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7139.653257][ T7704] ip6_route_add+0x1c/0x140 [ 7139.653257][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7139.653257][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7139.653257][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7139.653257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7139.653257][ T7704] netlink_rcv_skb+0x130/0x360 [ 7139.653257][ T7704] netlink_unicast+0x449/0x710 [ 7139.653257][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7139.653257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7139.653257][ T7704] ___sys_sendmsg+0xee/0x170 [ 7139.653257][ T7704] __sys_sendmsg+0xcd/0x170 [ 7139.653257][ T7704] do_syscall_64+0xc6/0x1e0 [ 7139.653257][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7139.653257][ T7704] [ 7139.655662][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7139.655662][ T7704] netdev_get_by_index+0x5e/0x80 [ 7139.655662][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7139.655662][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7139.655662][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7139.655662][ T7704] ipv6_add_addr+0x411/0x2000 [ 7139.655662][ T7704] inet6_addr_add+0x30e/0xa40 [ 7139.655662][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7139.655662][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7139.655662][ T7704] netlink_rcv_skb+0x130/0x360 [ 7139.655662][ T7704] netlink_unicast+0x449/0x710 [ 7139.655662][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7139.655662][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7139.655662][ T7704] ___sys_sendmsg+0xee/0x170 [ 7139.655662][ T7704] __sys_sendmsg+0xcd/0x170 [ 7139.655662][ T7704] do_syscall_64+0xc6/0x1e0 [ 7139.655662][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7139.655662][ T7704] [ 7139.658027][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7139.658027][ T7704] netdev_get_by_index+0x5e/0x80 [ 7139.658027][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7139.658027][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7139.658027][ T7704] ip6_route_add+0x1c/0x140 [ 7139.658027][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7139.658027][ T7704] addrconf_add_dev+0xe2/0x170 [ 7139.658027][ T7704] inet6_addr_add+0x12f/0xa40 [ 7139.658027][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7139.658027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7139.658027][ T7704] netlink_rcv_skb+0x130/0x360 [ 7139.658027][ T7704] netlink_unicast+0x449/0x710 [ 7139.658027][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7139.658027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7139.658027][ T7704] ___sys_sendmsg+0xee/0x170 [ 7139.658027][ T7704] __sys_sendmsg+0xcd/0x170 [ 7139.658027][ T7704] do_syscall_64+0xc6/0x1e0 [ 7139.658027][ T7704] [ 7139.660351][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7139.660351][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7139.660351][ T7704] ipv6_find_idev+0x102/0x170 [ 7139.660351][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7139.660351][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7139.660351][ T7704] netlink_rcv_skb+0x130/0x360 [ 7139.660351][ T7704] netlink_unicast+0x449/0x710 [ 7139.660351][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7139.660351][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7139.660351][ T7704] ___sys_sendmsg+0xee/0x170 [ 7139.660351][ T7704] __sys_sendmsg+0xcd/0x170 [ 7139.660351][ T7704] do_syscall_64+0xc6/0x1e0 [ 7139.660351][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7139.660351][ T7704] [ 7139.662095][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7139.662095][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7139.662095][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7139.662095][ T7704] ipv6_find_idev+0x102/0x170 [ 7139.662095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7139.662095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7139.662095][ T7704] netlink_rcv_skb+0x130/0x360 [ 7139.662095][ T7704] netlink_unicast+0x449/0x710 [ 7139.662095][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7139.662095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7139.662095][ T7704] ___sys_sendmsg+0xee/0x170 [ 7139.662095][ T7704] __sys_sendmsg+0xcd/0x170 [ 7139.662095][ T7704] do_syscall_64+0xc6/0x1e0 [ 7139.662095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7139.662095][ T7704] [ 7149.908738][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7149.909236][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7149.909236][ T7704] netdev_get_by_index+0x5e/0x80 [ 7149.909236][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7149.909236][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7149.909236][ T7704] ip6_route_add+0x1c/0x140 [ 7149.909236][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7149.909236][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7149.909236][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7149.909236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7149.909236][ T7704] netlink_rcv_skb+0x130/0x360 [ 7149.909236][ T7704] netlink_unicast+0x449/0x710 [ 7149.909236][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7149.909236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7149.909236][ T7704] ___sys_sendmsg+0xee/0x170 [ 7149.909236][ T7704] __sys_sendmsg+0xcd/0x170 [ 7149.909236][ T7704] do_syscall_64+0xc6/0x1e0 [ 7149.909236][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7149.909236][ T7704] [ 7149.912019][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7149.912019][ T7704] netdev_get_by_index+0x5e/0x80 [ 7149.912019][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7149.912019][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7149.912019][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7149.912019][ T7704] ipv6_add_addr+0x411/0x2000 [ 7149.912019][ T7704] inet6_addr_add+0x30e/0xa40 [ 7149.912019][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7149.912019][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7149.912019][ T7704] netlink_rcv_skb+0x130/0x360 [ 7149.912019][ T7704] netlink_unicast+0x449/0x710 [ 7149.912019][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7149.912019][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7149.912019][ T7704] ___sys_sendmsg+0xee/0x170 [ 7149.912019][ T7704] __sys_sendmsg+0xcd/0x170 [ 7149.912019][ T7704] do_syscall_64+0xc6/0x1e0 [ 7149.912019][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7149.912019][ T7704] [ 7149.914254][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7149.914254][ T7704] netdev_get_by_index+0x5e/0x80 [ 7149.914254][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7149.914254][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7149.914254][ T7704] ip6_route_add+0x1c/0x140 [ 7149.914254][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7149.914254][ T7704] addrconf_add_dev+0xe2/0x170 [ 7149.914254][ T7704] inet6_addr_add+0x12f/0xa40 [ 7149.914254][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7149.914254][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7149.914254][ T7704] netlink_rcv_skb+0x130/0x360 [ 7149.914254][ T7704] netlink_unicast+0x449/0x710 [ 7149.914254][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7149.914254][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7149.914254][ T7704] ___sys_sendmsg+0xee/0x170 [ 7149.914254][ T7704] __sys_sendmsg+0xcd/0x170 [ 7149.914254][ T7704] do_syscall_64+0xc6/0x1e0 [ 7149.914254][ T7704] [ 7149.916432][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7149.916432][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7149.916432][ T7704] ipv6_find_idev+0x102/0x170 [ 7149.916432][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7149.916432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7149.916432][ T7704] netlink_rcv_skb+0x130/0x360 [ 7149.916432][ T7704] netlink_unicast+0x449/0x710 [ 7149.916432][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7149.916432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7149.916432][ T7704] ___sys_sendmsg+0xee/0x170 [ 7149.916432][ T7704] __sys_sendmsg+0xcd/0x170 [ 7149.916432][ T7704] do_syscall_64+0xc6/0x1e0 [ 7149.916432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7149.916432][ T7704] [ 7149.918262][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7149.918262][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7149.918262][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7149.918262][ T7704] ipv6_find_idev+0x102/0x170 [ 7149.918262][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7149.918262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7149.918262][ T7704] netlink_rcv_skb+0x130/0x360 [ 7149.918262][ T7704] netlink_unicast+0x449/0x710 [ 7149.918262][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7149.918262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7149.918262][ T7704] ___sys_sendmsg+0xee/0x170 [ 7149.918262][ T7704] __sys_sendmsg+0xcd/0x170 [ 7149.918262][ T7704] do_syscall_64+0xc6/0x1e0 [ 7149.918262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7149.918262][ T7704] [ 7160.116750][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7160.117234][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7160.117234][ T7704] netdev_get_by_index+0x5e/0x80 [ 7160.117234][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7160.117234][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7160.117234][ T7704] ip6_route_add+0x1c/0x140 [ 7160.117234][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7160.117234][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7160.117234][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7160.117234][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7160.117234][ T7704] netlink_rcv_skb+0x130/0x360 [ 7160.117234][ T7704] netlink_unicast+0x449/0x710 [ 7160.117234][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7160.117234][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7160.117234][ T7704] ___sys_sendmsg+0xee/0x170 [ 7160.117234][ T7704] __sys_sendmsg+0xcd/0x170 [ 7160.117234][ T7704] do_syscall_64+0xc6/0x1e0 [ 7160.117234][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7160.117234][ T7704] [ 7160.119492][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7160.119492][ T7704] netdev_get_by_index+0x5e/0x80 [ 7160.119492][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7160.119492][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7160.119492][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7160.119492][ T7704] ipv6_add_addr+0x411/0x2000 [ 7160.119492][ T7704] inet6_addr_add+0x30e/0xa40 [ 7160.119492][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7160.119492][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7160.119492][ T7704] netlink_rcv_skb+0x130/0x360 [ 7160.119492][ T7704] netlink_unicast+0x449/0x710 [ 7160.119492][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7160.119492][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7160.119492][ T7704] ___sys_sendmsg+0xee/0x170 [ 7160.119492][ T7704] __sys_sendmsg+0xcd/0x170 [ 7160.119492][ T7704] do_syscall_64+0xc6/0x1e0 [ 7160.119492][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7160.119492][ T7704] [ 7160.121712][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7160.121712][ T7704] netdev_get_by_index+0x5e/0x80 [ 7160.121712][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7160.121712][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7160.121712][ T7704] ip6_route_add+0x1c/0x140 [ 7160.121712][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7160.121712][ T7704] addrconf_add_dev+0xe2/0x170 [ 7160.121712][ T7704] inet6_addr_add+0x12f/0xa40 [ 7160.121712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7160.121712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7160.121712][ T7704] netlink_rcv_skb+0x130/0x360 [ 7160.121712][ T7704] netlink_unicast+0x449/0x710 [ 7160.121712][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7160.121712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7160.121712][ T7704] ___sys_sendmsg+0xee/0x170 [ 7160.121712][ T7704] __sys_sendmsg+0xcd/0x170 [ 7160.121712][ T7704] do_syscall_64+0xc6/0x1e0 [ 7160.121712][ T7704] [ 7160.123916][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7160.123916][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7160.123916][ T7704] ipv6_find_idev+0x102/0x170 [ 7160.123916][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7160.123916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7160.123916][ T7704] netlink_rcv_skb+0x130/0x360 [ 7160.123916][ T7704] netlink_unicast+0x449/0x710 [ 7160.123916][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7160.123916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7160.123916][ T7704] ___sys_sendmsg+0xee/0x170 [ 7160.123916][ T7704] __sys_sendmsg+0xcd/0x170 [ 7160.123916][ T7704] do_syscall_64+0xc6/0x1e0 [ 7160.123916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7160.123916][ T7704] [ 7160.125652][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7160.125652][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7160.125652][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7160.125652][ T7704] ipv6_find_idev+0x102/0x170 [ 7160.125652][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7160.125652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7160.125652][ T7704] netlink_rcv_skb+0x130/0x360 [ 7160.125652][ T7704] netlink_unicast+0x449/0x710 [ 7160.125652][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7160.125652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7160.125652][ T7704] ___sys_sendmsg+0xee/0x170 [ 7160.125652][ T7704] __sys_sendmsg+0xcd/0x170 [ 7160.125652][ T7704] do_syscall_64+0xc6/0x1e0 [ 7160.125652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7160.125652][ T7704] [ 7170.164833][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7170.165322][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7170.165322][ T7704] netdev_get_by_index+0x5e/0x80 [ 7170.165322][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7170.165322][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7170.165322][ T7704] ip6_route_add+0x1c/0x140 [ 7170.165322][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7170.165322][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7170.165322][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7170.165322][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7170.165322][ T7704] netlink_rcv_skb+0x130/0x360 [ 7170.165322][ T7704] netlink_unicast+0x449/0x710 [ 7170.165322][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7170.165322][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7170.165322][ T7704] ___sys_sendmsg+0xee/0x170 [ 7170.165322][ T7704] __sys_sendmsg+0xcd/0x170 [ 7170.165322][ T7704] do_syscall_64+0xc6/0x1e0 [ 7170.165322][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7170.165322][ T7704] [ 7170.167589][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7170.167589][ T7704] netdev_get_by_index+0x5e/0x80 [ 7170.167589][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7170.167589][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7170.167589][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7170.167589][ T7704] ipv6_add_addr+0x411/0x2000 [ 7170.167589][ T7704] inet6_addr_add+0x30e/0xa40 [ 7170.167589][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7170.167589][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7170.167589][ T7704] netlink_rcv_skb+0x130/0x360 [ 7170.167589][ T7704] netlink_unicast+0x449/0x710 [ 7170.167589][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7170.167589][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7170.167589][ T7704] ___sys_sendmsg+0xee/0x170 [ 7170.167589][ T7704] __sys_sendmsg+0xcd/0x170 [ 7170.167589][ T7704] do_syscall_64+0xc6/0x1e0 [ 7170.167589][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7170.167589][ T7704] [ 7170.169840][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7170.169840][ T7704] netdev_get_by_index+0x5e/0x80 [ 7170.169840][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7170.169840][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7170.169840][ T7704] ip6_route_add+0x1c/0x140 [ 7170.169840][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7170.169840][ T7704] addrconf_add_dev+0xe2/0x170 [ 7170.169840][ T7704] inet6_addr_add+0x12f/0xa40 [ 7170.169840][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7170.169840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7170.169840][ T7704] netlink_rcv_skb+0x130/0x360 [ 7170.169840][ T7704] netlink_unicast+0x449/0x710 [ 7170.169840][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7170.169840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7170.169840][ T7704] ___sys_sendmsg+0xee/0x170 [ 7170.169840][ T7704] __sys_sendmsg+0xcd/0x170 [ 7170.169840][ T7704] do_syscall_64+0xc6/0x1e0 [ 7170.169840][ T7704] [ 7170.172031][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7170.172031][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7170.172031][ T7704] ipv6_find_idev+0x102/0x170 [ 7170.172031][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7170.172031][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7170.172031][ T7704] netlink_rcv_skb+0x130/0x360 [ 7170.172031][ T7704] netlink_unicast+0x449/0x710 [ 7170.172031][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7170.172031][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7170.172031][ T7704] ___sys_sendmsg+0xee/0x170 [ 7170.172031][ T7704] __sys_sendmsg+0xcd/0x170 [ 7170.172031][ T7704] do_syscall_64+0xc6/0x1e0 [ 7170.172031][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7170.172031][ T7704] [ 7170.173755][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7170.173755][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7170.173755][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7170.173755][ T7704] ipv6_find_idev+0x102/0x170 [ 7170.173755][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7170.173755][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7170.173755][ T7704] netlink_rcv_skb+0x130/0x360 [ 7170.173755][ T7704] netlink_unicast+0x449/0x710 [ 7170.173755][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7170.173755][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7170.173755][ T7704] ___sys_sendmsg+0xee/0x170 [ 7170.173755][ T7704] __sys_sendmsg+0xcd/0x170 [ 7170.173755][ T7704] do_syscall_64+0xc6/0x1e0 [ 7170.173755][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7170.173755][ T7704] [ 7180.428818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7180.429307][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7180.429307][ T7704] netdev_get_by_index+0x5e/0x80 [ 7180.429307][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7180.429307][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7180.429307][ T7704] ip6_route_add+0x1c/0x140 [ 7180.429307][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7180.429307][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7180.429307][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7180.429307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7180.429307][ T7704] netlink_rcv_skb+0x130/0x360 [ 7180.429307][ T7704] netlink_unicast+0x449/0x710 [ 7180.429307][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7180.429307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7180.429307][ T7704] ___sys_sendmsg+0xee/0x170 [ 7180.429307][ T7704] __sys_sendmsg+0xcd/0x170 [ 7180.429307][ T7704] do_syscall_64+0xc6/0x1e0 [ 7180.429307][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7180.429307][ T7704] [ 7180.431591][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7180.431591][ T7704] netdev_get_by_index+0x5e/0x80 [ 7180.431591][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7180.431591][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7180.431591][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7180.431591][ T7704] ipv6_add_addr+0x411/0x2000 [ 7180.431591][ T7704] inet6_addr_add+0x30e/0xa40 [ 7180.431591][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7180.431591][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7180.431591][ T7704] netlink_rcv_skb+0x130/0x360 [ 7180.431591][ T7704] netlink_unicast+0x449/0x710 [ 7180.431591][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7180.431591][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7180.431591][ T7704] ___sys_sendmsg+0xee/0x170 [ 7180.431591][ T7704] __sys_sendmsg+0xcd/0x170 [ 7180.431591][ T7704] do_syscall_64+0xc6/0x1e0 [ 7180.431591][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7180.431591][ T7704] [ 7180.433836][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7180.433836][ T7704] netdev_get_by_index+0x5e/0x80 [ 7180.433836][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7180.433836][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7180.433836][ T7704] ip6_route_add+0x1c/0x140 [ 7180.433836][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7180.433836][ T7704] addrconf_add_dev+0xe2/0x170 [ 7180.433836][ T7704] inet6_addr_add+0x12f/0xa40 [ 7180.433836][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7180.433836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7180.433836][ T7704] netlink_rcv_skb+0x130/0x360 [ 7180.433836][ T7704] netlink_unicast+0x449/0x710 [ 7180.433836][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7180.433836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7180.433836][ T7704] ___sys_sendmsg+0xee/0x170 [ 7180.433836][ T7704] __sys_sendmsg+0xcd/0x170 [ 7180.433836][ T7704] do_syscall_64+0xc6/0x1e0 [ 7180.433836][ T7704] [ 7180.436039][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7180.436039][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7180.436039][ T7704] ipv6_find_idev+0x102/0x170 [ 7180.436039][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7180.436039][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7180.436039][ T7704] netlink_rcv_skb+0x130/0x360 [ 7180.436039][ T7704] netlink_unicast+0x449/0x710 [ 7180.436039][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7180.436039][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7180.436039][ T7704] ___sys_sendmsg+0xee/0x170 [ 7180.436039][ T7704] __sys_sendmsg+0xcd/0x170 [ 7180.436039][ T7704] do_syscall_64+0xc6/0x1e0 [ 7180.436039][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7180.436039][ T7704] [ 7180.437762][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7180.437762][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7180.437762][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7180.437762][ T7704] ipv6_find_idev+0x102/0x170 [ 7180.437762][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7180.437762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7180.437762][ T7704] netlink_rcv_skb+0x130/0x360 [ 7180.437762][ T7704] netlink_unicast+0x449/0x710 [ 7180.437762][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7180.437762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7180.437762][ T7704] ___sys_sendmsg+0xee/0x170 [ 7180.437762][ T7704] __sys_sendmsg+0xcd/0x170 [ 7180.437762][ T7704] do_syscall_64+0xc6/0x1e0 [ 7180.437762][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7180.437762][ T7704] [ 7190.836912][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7190.837365][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7190.837365][ T7704] netdev_get_by_index+0x5e/0x80 [ 7190.837365][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7190.837365][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7190.837365][ T7704] ip6_route_add+0x1c/0x140 [ 7190.837365][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7190.837365][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7190.837365][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7190.837365][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7190.837365][ T7704] netlink_rcv_skb+0x130/0x360 [ 7190.837365][ T7704] netlink_unicast+0x449/0x710 [ 7190.837365][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7190.837365][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7190.837365][ T7704] ___sys_sendmsg+0xee/0x170 [ 7190.837365][ T7704] __sys_sendmsg+0xcd/0x170 [ 7190.837365][ T7704] do_syscall_64+0xc6/0x1e0 [ 7190.837365][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7190.837365][ T7704] [ 7190.839656][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7190.839656][ T7704] netdev_get_by_index+0x5e/0x80 [ 7190.839656][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7190.839656][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7190.839656][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7190.839656][ T7704] ipv6_add_addr+0x411/0x2000 [ 7190.839656][ T7704] inet6_addr_add+0x30e/0xa40 [ 7190.839656][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7190.839656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7190.839656][ T7704] netlink_rcv_skb+0x130/0x360 [ 7190.839656][ T7704] netlink_unicast+0x449/0x710 [ 7190.839656][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7190.839656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7190.839656][ T7704] ___sys_sendmsg+0xee/0x170 [ 7190.839656][ T7704] __sys_sendmsg+0xcd/0x170 [ 7190.839656][ T7704] do_syscall_64+0xc6/0x1e0 [ 7190.839656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7190.839656][ T7704] [ 7190.841902][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7190.841902][ T7704] netdev_get_by_index+0x5e/0x80 [ 7190.841902][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7190.841902][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7190.841902][ T7704] ip6_route_add+0x1c/0x140 [ 7190.841902][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7190.841902][ T7704] addrconf_add_dev+0xe2/0x170 [ 7190.841902][ T7704] inet6_addr_add+0x12f/0xa40 [ 7190.841902][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7190.841902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7190.841902][ T7704] netlink_rcv_skb+0x130/0x360 [ 7190.841902][ T7704] netlink_unicast+0x449/0x710 [ 7190.841902][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7190.841902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7190.841902][ T7704] ___sys_sendmsg+0xee/0x170 [ 7190.841902][ T7704] __sys_sendmsg+0xcd/0x170 [ 7190.841902][ T7704] do_syscall_64+0xc6/0x1e0 [ 7190.841902][ T7704] [ 7190.844118][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7190.844118][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7190.844118][ T7704] ipv6_find_idev+0x102/0x170 [ 7190.844118][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7190.844118][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7190.844118][ T7704] netlink_rcv_skb+0x130/0x360 [ 7190.844118][ T7704] netlink_unicast+0x449/0x710 [ 7190.844118][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7190.844118][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7190.844118][ T7704] ___sys_sendmsg+0xee/0x170 [ 7190.844118][ T7704] __sys_sendmsg+0xcd/0x170 [ 7190.844118][ T7704] do_syscall_64+0xc6/0x1e0 [ 7190.844118][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7190.844118][ T7704] [ 7190.845842][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7190.845842][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7190.845842][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7190.845842][ T7704] ipv6_find_idev+0x102/0x170 [ 7190.845842][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7190.845842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7190.845842][ T7704] netlink_rcv_skb+0x130/0x360 [ 7190.845842][ T7704] netlink_unicast+0x449/0x710 [ 7190.845842][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7190.845842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7190.845842][ T7704] ___sys_sendmsg+0xee/0x170 [ 7190.845842][ T7704] __sys_sendmsg+0xcd/0x170 [ 7190.845842][ T7704] do_syscall_64+0xc6/0x1e0 [ 7190.845842][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7190.845842][ T7704] [ 7201.084830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7201.085327][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7201.085327][ T7704] netdev_get_by_index+0x5e/0x80 [ 7201.085327][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7201.085327][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7201.085327][ T7704] ip6_route_add+0x1c/0x140 [ 7201.085327][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7201.085327][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7201.085327][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7201.085327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7201.085327][ T7704] netlink_rcv_skb+0x130/0x360 [ 7201.085327][ T7704] netlink_unicast+0x449/0x710 [ 7201.085327][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7201.085327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7201.085327][ T7704] ___sys_sendmsg+0xee/0x170 [ 7201.085327][ T7704] __sys_sendmsg+0xcd/0x170 [ 7201.085327][ T7704] do_syscall_64+0xc6/0x1e0 [ 7201.085327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7201.085327][ T7704] [ 7201.087609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7201.087609][ T7704] netdev_get_by_index+0x5e/0x80 [ 7201.087609][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7201.087609][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7201.087609][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7201.087609][ T7704] ipv6_add_addr+0x411/0x2000 [ 7201.087609][ T7704] inet6_addr_add+0x30e/0xa40 [ 7201.087609][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7201.087609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7201.087609][ T7704] netlink_rcv_skb+0x130/0x360 [ 7201.087609][ T7704] netlink_unicast+0x449/0x710 [ 7201.087609][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7201.087609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7201.087609][ T7704] ___sys_sendmsg+0xee/0x170 [ 7201.087609][ T7704] __sys_sendmsg+0xcd/0x170 [ 7201.087609][ T7704] do_syscall_64+0xc6/0x1e0 [ 7201.087609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7201.087609][ T7704] [ 7201.089841][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7201.089841][ T7704] netdev_get_by_index+0x5e/0x80 [ 7201.089841][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7201.089841][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7201.089841][ T7704] ip6_route_add+0x1c/0x140 [ 7201.089841][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7201.089841][ T7704] addrconf_add_dev+0xe2/0x170 [ 7201.089841][ T7704] inet6_addr_add+0x12f/0xa40 [ 7201.089841][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7201.089841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7201.089841][ T7704] netlink_rcv_skb+0x130/0x360 [ 7201.089841][ T7704] netlink_unicast+0x449/0x710 [ 7201.089841][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7201.089841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7201.089841][ T7704] ___sys_sendmsg+0xee/0x170 [ 7201.089841][ T7704] __sys_sendmsg+0xcd/0x170 [ 7201.089841][ T7704] do_syscall_64+0xc6/0x1e0 [ 7201.089841][ T7704] [ 7201.092054][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7201.092054][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7201.092054][ T7704] ipv6_find_idev+0x102/0x170 [ 7201.092054][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7201.092054][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7201.092054][ T7704] netlink_rcv_skb+0x130/0x360 [ 7201.092054][ T7704] netlink_unicast+0x449/0x710 [ 7201.092054][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7201.092054][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7201.092054][ T7704] ___sys_sendmsg+0xee/0x170 [ 7201.092054][ T7704] __sys_sendmsg+0xcd/0x170 [ 7201.092054][ T7704] do_syscall_64+0xc6/0x1e0 [ 7201.092054][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7201.092054][ T7704] [ 7201.093768][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7201.093768][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7201.093768][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7201.093768][ T7704] ipv6_find_idev+0x102/0x170 [ 7201.093768][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7201.093768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7201.093768][ T7704] netlink_rcv_skb+0x130/0x360 [ 7201.093768][ T7704] netlink_unicast+0x449/0x710 [ 7201.093768][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7201.093768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7201.093768][ T7704] ___sys_sendmsg+0xee/0x170 [ 7201.093768][ T7704] __sys_sendmsg+0xcd/0x170 [ 7201.093768][ T7704] do_syscall_64+0xc6/0x1e0 [ 7201.093768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7201.093768][ T7704] [ 7211.332757][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7211.333237][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7211.333237][ T7704] netdev_get_by_index+0x5e/0x80 [ 7211.333237][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7211.333237][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7211.333237][ T7704] ip6_route_add+0x1c/0x140 [ 7211.333237][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7211.333237][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7211.333237][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7211.333237][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7211.333237][ T7704] netlink_rcv_skb+0x130/0x360 [ 7211.333237][ T7704] netlink_unicast+0x449/0x710 [ 7211.333237][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7211.333237][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7211.333237][ T7704] ___sys_sendmsg+0xee/0x170 [ 7211.333237][ T7704] __sys_sendmsg+0xcd/0x170 [ 7211.333237][ T7704] do_syscall_64+0xc6/0x1e0 [ 7211.333237][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7211.333237][ T7704] [ 7211.335482][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7211.335482][ T7704] netdev_get_by_index+0x5e/0x80 [ 7211.335482][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7211.335482][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7211.335482][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7211.335482][ T7704] ipv6_add_addr+0x411/0x2000 [ 7211.335482][ T7704] inet6_addr_add+0x30e/0xa40 [ 7211.335482][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7211.335482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7211.335482][ T7704] netlink_rcv_skb+0x130/0x360 [ 7211.335482][ T7704] netlink_unicast+0x449/0x710 [ 7211.335482][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7211.335482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7211.335482][ T7704] ___sys_sendmsg+0xee/0x170 [ 7211.335482][ T7704] __sys_sendmsg+0xcd/0x170 [ 7211.335482][ T7704] do_syscall_64+0xc6/0x1e0 [ 7211.335482][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7211.335482][ T7704] [ 7211.337768][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7211.337768][ T7704] netdev_get_by_index+0x5e/0x80 [ 7211.337768][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7211.337768][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7211.337768][ T7704] ip6_route_add+0x1c/0x140 [ 7211.337768][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7211.337768][ T7704] addrconf_add_dev+0xe2/0x170 [ 7211.337768][ T7704] inet6_addr_add+0x12f/0xa40 [ 7211.337768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7211.337768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7211.337768][ T7704] netlink_rcv_skb+0x130/0x360 [ 7211.337768][ T7704] netlink_unicast+0x449/0x710 [ 7211.337768][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7211.337768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7211.337768][ T7704] ___sys_sendmsg+0xee/0x170 [ 7211.337768][ T7704] __sys_sendmsg+0xcd/0x170 [ 7211.337768][ T7704] do_syscall_64+0xc6/0x1e0 [ 7211.337768][ T7704] [ 7211.340026][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7211.340026][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7211.340026][ T7704] ipv6_find_idev+0x102/0x170 [ 7211.340026][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7211.340026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7211.340026][ T7704] netlink_rcv_skb+0x130/0x360 [ 7211.340026][ T7704] netlink_unicast+0x449/0x710 [ 7211.340026][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7211.340026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7211.340026][ T7704] ___sys_sendmsg+0xee/0x170 [ 7211.340026][ T7704] __sys_sendmsg+0xcd/0x170 [ 7211.340026][ T7704] do_syscall_64+0xc6/0x1e0 [ 7211.340026][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7211.340026][ T7704] [ 7211.341795][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7211.341795][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7211.341795][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7211.341795][ T7704] ipv6_find_idev+0x102/0x170 [ 7211.341795][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7211.341795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7211.341795][ T7704] netlink_rcv_skb+0x130/0x360 [ 7211.341795][ T7704] netlink_unicast+0x449/0x710 [ 7211.341795][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7211.341795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7211.341795][ T7704] ___sys_sendmsg+0xee/0x170 [ 7211.341795][ T7704] __sys_sendmsg+0xcd/0x170 [ 7211.341795][ T7704] do_syscall_64+0xc6/0x1e0 [ 7211.341795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7211.341795][ T7704] [ 7221.468817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7221.469299][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7221.469299][ T7704] netdev_get_by_index+0x5e/0x80 [ 7221.469299][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7221.469299][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7221.469299][ T7704] ip6_route_add+0x1c/0x140 [ 7221.469299][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7221.469299][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7221.469299][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7221.469299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7221.469299][ T7704] netlink_rcv_skb+0x130/0x360 [ 7221.469299][ T7704] netlink_unicast+0x449/0x710 [ 7221.469299][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7221.469299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7221.469299][ T7704] ___sys_sendmsg+0xee/0x170 [ 7221.469299][ T7704] __sys_sendmsg+0xcd/0x170 [ 7221.469299][ T7704] do_syscall_64+0xc6/0x1e0 [ 7221.469299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7221.469299][ T7704] [ 7221.471521][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7221.471521][ T7704] netdev_get_by_index+0x5e/0x80 [ 7221.471521][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7221.471521][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7221.471521][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7221.471521][ T7704] ipv6_add_addr+0x411/0x2000 [ 7221.471521][ T7704] inet6_addr_add+0x30e/0xa40 [ 7221.471521][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7221.471521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7221.471521][ T7704] netlink_rcv_skb+0x130/0x360 [ 7221.471521][ T7704] netlink_unicast+0x449/0x710 [ 7221.471521][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7221.471521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7221.471521][ T7704] ___sys_sendmsg+0xee/0x170 [ 7221.471521][ T7704] __sys_sendmsg+0xcd/0x170 [ 7221.471521][ T7704] do_syscall_64+0xc6/0x1e0 [ 7221.471521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7221.471521][ T7704] [ 7221.473752][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7221.473752][ T7704] netdev_get_by_index+0x5e/0x80 [ 7221.473752][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7221.473752][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7221.473752][ T7704] ip6_route_add+0x1c/0x140 [ 7221.473752][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7221.473752][ T7704] addrconf_add_dev+0xe2/0x170 [ 7221.473752][ T7704] inet6_addr_add+0x12f/0xa40 [ 7221.473752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7221.473752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7221.473752][ T7704] netlink_rcv_skb+0x130/0x360 [ 7221.473752][ T7704] netlink_unicast+0x449/0x710 [ 7221.473752][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7221.473752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7221.473752][ T7704] ___sys_sendmsg+0xee/0x170 [ 7221.473752][ T7704] __sys_sendmsg+0xcd/0x170 [ 7221.473752][ T7704] do_syscall_64+0xc6/0x1e0 [ 7221.473752][ T7704] [ 7221.475934][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7221.475934][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7221.475934][ T7704] ipv6_find_idev+0x102/0x170 [ 7221.475934][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7221.475934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7221.475934][ T7704] netlink_rcv_skb+0x130/0x360 [ 7221.475934][ T7704] netlink_unicast+0x449/0x710 [ 7221.475934][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7221.475934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7221.475934][ T7704] ___sys_sendmsg+0xee/0x170 [ 7221.475934][ T7704] __sys_sendmsg+0xcd/0x170 [ 7221.475934][ T7704] do_syscall_64+0xc6/0x1e0 [ 7221.475934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7221.475934][ T7704] [ 7221.477657][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7221.477657][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7221.477657][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7221.477657][ T7704] ipv6_find_idev+0x102/0x170 [ 7221.477657][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7221.477657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7221.477657][ T7704] netlink_rcv_skb+0x130/0x360 [ 7221.477657][ T7704] netlink_unicast+0x449/0x710 [ 7221.477657][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7221.477657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7221.477657][ T7704] ___sys_sendmsg+0xee/0x170 [ 7221.477657][ T7704] __sys_sendmsg+0xcd/0x170 [ 7221.477657][ T7704] do_syscall_64+0xc6/0x1e0 [ 7221.477657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7221.477657][ T7704] [ 7231.716809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7231.717231][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7231.717231][ T7704] netdev_get_by_index+0x5e/0x80 [ 7231.717231][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7231.717231][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7231.717231][ T7704] ip6_route_add+0x1c/0x140 [ 7231.717231][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7231.717231][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7231.717231][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7231.717231][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7231.717231][ T7704] netlink_rcv_skb+0x130/0x360 [ 7231.717231][ T7704] netlink_unicast+0x449/0x710 [ 7231.717231][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7231.717231][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7231.717231][ T7704] ___sys_sendmsg+0xee/0x170 [ 7231.717231][ T7704] __sys_sendmsg+0xcd/0x170 [ 7231.717231][ T7704] do_syscall_64+0xc6/0x1e0 [ 7231.717231][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7231.717231][ T7704] [ 7231.719479][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7231.719479][ T7704] netdev_get_by_index+0x5e/0x80 [ 7231.719479][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7231.719479][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7231.719479][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7231.719479][ T7704] ipv6_add_addr+0x411/0x2000 [ 7231.719479][ T7704] inet6_addr_add+0x30e/0xa40 [ 7231.719479][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7231.719479][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7231.719479][ T7704] netlink_rcv_skb+0x130/0x360 [ 7231.719479][ T7704] netlink_unicast+0x449/0x710 [ 7231.719479][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7231.719479][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7231.719479][ T7704] ___sys_sendmsg+0xee/0x170 [ 7231.719479][ T7704] __sys_sendmsg+0xcd/0x170 [ 7231.719479][ T7704] do_syscall_64+0xc6/0x1e0 [ 7231.719479][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7231.719479][ T7704] [ 7231.721708][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7231.721708][ T7704] netdev_get_by_index+0x5e/0x80 [ 7231.721708][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7231.721708][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7231.721708][ T7704] ip6_route_add+0x1c/0x140 [ 7231.721708][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7231.721708][ T7704] addrconf_add_dev+0xe2/0x170 [ 7231.721708][ T7704] inet6_addr_add+0x12f/0xa40 [ 7231.721708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7231.721708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7231.721708][ T7704] netlink_rcv_skb+0x130/0x360 [ 7231.721708][ T7704] netlink_unicast+0x449/0x710 [ 7231.721708][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7231.721708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7231.721708][ T7704] ___sys_sendmsg+0xee/0x170 [ 7231.721708][ T7704] __sys_sendmsg+0xcd/0x170 [ 7231.721708][ T7704] do_syscall_64+0xc6/0x1e0 [ 7231.721708][ T7704] [ 7231.723884][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7231.723884][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7231.723884][ T7704] ipv6_find_idev+0x102/0x170 [ 7231.723884][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7231.723884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7231.723884][ T7704] netlink_rcv_skb+0x130/0x360 [ 7231.723884][ T7704] netlink_unicast+0x449/0x710 [ 7231.723884][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7231.723884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7231.723884][ T7704] ___sys_sendmsg+0xee/0x170 [ 7231.723884][ T7704] __sys_sendmsg+0xcd/0x170 [ 7231.723884][ T7704] do_syscall_64+0xc6/0x1e0 [ 7231.723884][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7231.723884][ T7704] [ 7231.725593][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7231.725593][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7231.725593][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7231.725593][ T7704] ipv6_find_idev+0x102/0x170 [ 7231.725593][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7231.725593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7231.725593][ T7704] netlink_rcv_skb+0x130/0x360 [ 7231.725593][ T7704] netlink_unicast+0x449/0x710 [ 7231.725593][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7231.725593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7231.725593][ T7704] ___sys_sendmsg+0xee/0x170 [ 7231.725593][ T7704] __sys_sendmsg+0xcd/0x170 [ 7231.725593][ T7704] do_syscall_64+0xc6/0x1e0 [ 7231.725593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7231.725593][ T7704] [ 7241.964751][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7241.965232][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7241.965232][ T7704] netdev_get_by_index+0x5e/0x80 [ 7241.965232][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7241.965232][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7241.965232][ T7704] ip6_route_add+0x1c/0x140 [ 7241.965232][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7241.965232][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7241.965232][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7241.965232][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7241.965232][ T7704] netlink_rcv_skb+0x130/0x360 [ 7241.965232][ T7704] netlink_unicast+0x449/0x710 [ 7241.965232][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7241.965232][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7241.965232][ T7704] ___sys_sendmsg+0xee/0x170 [ 7241.965232][ T7704] __sys_sendmsg+0xcd/0x170 [ 7241.965232][ T7704] do_syscall_64+0xc6/0x1e0 [ 7241.965232][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7241.965232][ T7704] [ 7241.967483][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7241.967483][ T7704] netdev_get_by_index+0x5e/0x80 [ 7241.967483][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7241.967483][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7241.967483][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7241.967483][ T7704] ipv6_add_addr+0x411/0x2000 [ 7241.967483][ T7704] inet6_addr_add+0x30e/0xa40 [ 7241.967483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7241.967483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7241.967483][ T7704] netlink_rcv_skb+0x130/0x360 [ 7241.967483][ T7704] netlink_unicast+0x449/0x710 [ 7241.967483][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7241.967483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7241.967483][ T7704] ___sys_sendmsg+0xee/0x170 [ 7241.967483][ T7704] __sys_sendmsg+0xcd/0x170 [ 7241.967483][ T7704] do_syscall_64+0xc6/0x1e0 [ 7241.967483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7241.967483][ T7704] [ 7241.969694][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7241.969694][ T7704] netdev_get_by_index+0x5e/0x80 [ 7241.969694][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7241.969694][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7241.969694][ T7704] ip6_route_add+0x1c/0x140 [ 7241.969694][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7241.969694][ T7704] addrconf_add_dev+0xe2/0x170 [ 7241.969694][ T7704] inet6_addr_add+0x12f/0xa40 [ 7241.969694][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7241.969694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7241.969694][ T7704] netlink_rcv_skb+0x130/0x360 [ 7241.969694][ T7704] netlink_unicast+0x449/0x710 [ 7241.969694][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7241.969694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7241.969694][ T7704] ___sys_sendmsg+0xee/0x170 [ 7241.969694][ T7704] __sys_sendmsg+0xcd/0x170 [ 7241.969694][ T7704] do_syscall_64+0xc6/0x1e0 [ 7241.969694][ T7704] [ 7241.971867][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7241.971867][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7241.971867][ T7704] ipv6_find_idev+0x102/0x170 [ 7241.971867][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7241.971867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7241.971867][ T7704] netlink_rcv_skb+0x130/0x360 [ 7241.971867][ T7704] netlink_unicast+0x449/0x710 [ 7241.971867][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7241.971867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7241.971867][ T7704] ___sys_sendmsg+0xee/0x170 [ 7241.971867][ T7704] __sys_sendmsg+0xcd/0x170 [ 7241.971867][ T7704] do_syscall_64+0xc6/0x1e0 [ 7241.971867][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7241.971867][ T7704] [ 7241.973577][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7241.973577][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7241.973577][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7241.973577][ T7704] ipv6_find_idev+0x102/0x170 [ 7241.973577][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7241.973577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7241.973577][ T7704] netlink_rcv_skb+0x130/0x360 [ 7241.973577][ T7704] netlink_unicast+0x449/0x710 [ 7241.973577][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7241.973577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7241.973577][ T7704] ___sys_sendmsg+0xee/0x170 [ 7241.973577][ T7704] __sys_sendmsg+0xcd/0x170 [ 7241.973577][ T7704] do_syscall_64+0xc6/0x1e0 [ 7241.973577][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7241.973577][ T7704] [ 7252.212748][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7252.213249][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7252.213249][ T7704] netdev_get_by_index+0x5e/0x80 [ 7252.213249][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7252.213249][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7252.213249][ T7704] ip6_route_add+0x1c/0x140 [ 7252.213249][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7252.213249][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7252.213249][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7252.213249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7252.213249][ T7704] netlink_rcv_skb+0x130/0x360 [ 7252.213249][ T7704] netlink_unicast+0x449/0x710 [ 7252.213249][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7252.213249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7252.213249][ T7704] ___sys_sendmsg+0xee/0x170 [ 7252.213249][ T7704] __sys_sendmsg+0xcd/0x170 [ 7252.213249][ T7704] do_syscall_64+0xc6/0x1e0 [ 7252.213249][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7252.213249][ T7704] [ 7252.216204][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7252.216204][ T7704] netdev_get_by_index+0x5e/0x80 [ 7252.216204][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7252.216204][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7252.216204][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7252.216204][ T7704] ipv6_add_addr+0x411/0x2000 [ 7252.216204][ T7704] inet6_addr_add+0x30e/0xa40 [ 7252.216204][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7252.216204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7252.216204][ T7704] netlink_rcv_skb+0x130/0x360 [ 7252.216204][ T7704] netlink_unicast+0x449/0x710 [ 7252.216204][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7252.216204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7252.216204][ T7704] ___sys_sendmsg+0xee/0x170 [ 7252.216204][ T7704] __sys_sendmsg+0xcd/0x170 [ 7252.216204][ T7704] do_syscall_64+0xc6/0x1e0 [ 7252.216204][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7252.216204][ T7704] [ 7252.218567][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7252.218567][ T7704] netdev_get_by_index+0x5e/0x80 [ 7252.218567][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7252.218567][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7252.218567][ T7704] ip6_route_add+0x1c/0x140 [ 7252.218567][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7252.218567][ T7704] addrconf_add_dev+0xe2/0x170 [ 7252.218567][ T7704] inet6_addr_add+0x12f/0xa40 [ 7252.218567][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7252.218567][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7252.218567][ T7704] netlink_rcv_skb+0x130/0x360 [ 7252.218567][ T7704] netlink_unicast+0x449/0x710 [ 7252.218567][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7252.218567][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7252.218567][ T7704] ___sys_sendmsg+0xee/0x170 [ 7252.218567][ T7704] __sys_sendmsg+0xcd/0x170 [ 7252.218567][ T7704] do_syscall_64+0xc6/0x1e0 [ 7252.218567][ T7704] [ 7252.221250][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7252.221250][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7252.221250][ T7704] ipv6_find_idev+0x102/0x170 [ 7252.221250][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7252.221250][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7252.221250][ T7704] netlink_rcv_skb+0x130/0x360 [ 7252.221250][ T7704] netlink_unicast+0x449/0x710 [ 7252.221250][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7252.221250][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7252.221250][ T7704] ___sys_sendmsg+0xee/0x170 [ 7252.221250][ T7704] __sys_sendmsg+0xcd/0x170 [ 7252.221250][ T7704] do_syscall_64+0xc6/0x1e0 [ 7252.221250][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7252.221250][ T7704] [ 7252.223074][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7252.223074][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7252.223074][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7252.223074][ T7704] ipv6_find_idev+0x102/0x170 [ 7252.223074][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7252.223074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7252.223074][ T7704] netlink_rcv_skb+0x130/0x360 [ 7252.223074][ T7704] netlink_unicast+0x449/0x710 [ 7252.223074][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7252.223074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7252.223074][ T7704] ___sys_sendmsg+0xee/0x170 [ 7252.223074][ T7704] __sys_sendmsg+0xcd/0x170 [ 7252.223074][ T7704] do_syscall_64+0xc6/0x1e0 [ 7252.223074][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7252.223074][ T7704] [ 7262.380913][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7262.381383][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7262.381383][ T7704] netdev_get_by_index+0x5e/0x80 [ 7262.381383][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7262.381383][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7262.381383][ T7704] ip6_route_add+0x1c/0x140 [ 7262.381383][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7262.381383][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7262.381383][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7262.381383][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7262.381383][ T7704] netlink_rcv_skb+0x130/0x360 [ 7262.381383][ T7704] netlink_unicast+0x449/0x710 [ 7262.381383][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7262.381383][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7262.381383][ T7704] ___sys_sendmsg+0xee/0x170 [ 7262.381383][ T7704] __sys_sendmsg+0xcd/0x170 [ 7262.381383][ T7704] do_syscall_64+0xc6/0x1e0 [ 7262.381383][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7262.381383][ T7704] [ 7262.383609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7262.383609][ T7704] netdev_get_by_index+0x5e/0x80 [ 7262.383609][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7262.383609][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7262.383609][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7262.383609][ T7704] ipv6_add_addr+0x411/0x2000 [ 7262.383609][ T7704] inet6_addr_add+0x30e/0xa40 [ 7262.383609][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7262.383609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7262.383609][ T7704] netlink_rcv_skb+0x130/0x360 [ 7262.383609][ T7704] netlink_unicast+0x449/0x710 [ 7262.383609][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7262.383609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7262.383609][ T7704] ___sys_sendmsg+0xee/0x170 [ 7262.383609][ T7704] __sys_sendmsg+0xcd/0x170 [ 7262.383609][ T7704] do_syscall_64+0xc6/0x1e0 [ 7262.383609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7262.383609][ T7704] [ 7262.385898][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7262.385898][ T7704] netdev_get_by_index+0x5e/0x80 [ 7262.385898][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7262.385898][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7262.385898][ T7704] ip6_route_add+0x1c/0x140 [ 7262.385898][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7262.385898][ T7704] addrconf_add_dev+0xe2/0x170 [ 7262.385898][ T7704] inet6_addr_add+0x12f/0xa40 [ 7262.385898][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7262.385898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7262.385898][ T7704] netlink_rcv_skb+0x130/0x360 [ 7262.385898][ T7704] netlink_unicast+0x449/0x710 [ 7262.385898][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7262.385898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7262.385898][ T7704] ___sys_sendmsg+0xee/0x170 [ 7262.385898][ T7704] __sys_sendmsg+0xcd/0x170 [ 7262.385898][ T7704] do_syscall_64+0xc6/0x1e0 [ 7262.385898][ T7704] [ 7262.388068][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7262.388068][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7262.388068][ T7704] ipv6_find_idev+0x102/0x170 [ 7262.388068][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7262.388068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7262.388068][ T7704] netlink_rcv_skb+0x130/0x360 [ 7262.388068][ T7704] netlink_unicast+0x449/0x710 [ 7262.388068][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7262.388068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7262.388068][ T7704] ___sys_sendmsg+0xee/0x170 [ 7262.388068][ T7704] __sys_sendmsg+0xcd/0x170 [ 7262.388068][ T7704] do_syscall_64+0xc6/0x1e0 [ 7262.388068][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7262.388068][ T7704] [ 7262.389761][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7262.389761][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7262.389761][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7262.389761][ T7704] ipv6_find_idev+0x102/0x170 [ 7262.389761][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7262.389761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7262.389761][ T7704] netlink_rcv_skb+0x130/0x360 [ 7262.389761][ T7704] netlink_unicast+0x449/0x710 [ 7262.389761][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7262.389761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7262.389761][ T7704] ___sys_sendmsg+0xee/0x170 [ 7262.389761][ T7704] __sys_sendmsg+0xcd/0x170 [ 7262.389761][ T7704] do_syscall_64+0xc6/0x1e0 [ 7262.389761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7262.389761][ T7704] [ 7272.636829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7272.637333][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7272.637333][ T7704] netdev_get_by_index+0x5e/0x80 [ 7272.637333][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7272.637333][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7272.637333][ T7704] ip6_route_add+0x1c/0x140 [ 7272.637333][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7272.637333][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7272.637333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7272.637333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7272.637333][ T7704] netlink_rcv_skb+0x130/0x360 [ 7272.637333][ T7704] netlink_unicast+0x449/0x710 [ 7272.637333][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7272.637333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7272.637333][ T7704] ___sys_sendmsg+0xee/0x170 [ 7272.637333][ T7704] __sys_sendmsg+0xcd/0x170 [ 7272.637333][ T7704] do_syscall_64+0xc6/0x1e0 [ 7272.637333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7272.637333][ T7704] [ 7272.639563][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7272.639563][ T7704] netdev_get_by_index+0x5e/0x80 [ 7272.639563][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7272.639563][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7272.639563][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7272.639563][ T7704] ipv6_add_addr+0x411/0x2000 [ 7272.639563][ T7704] inet6_addr_add+0x30e/0xa40 [ 7272.639563][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7272.639563][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7272.639563][ T7704] netlink_rcv_skb+0x130/0x360 [ 7272.639563][ T7704] netlink_unicast+0x449/0x710 [ 7272.639563][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7272.639563][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7272.639563][ T7704] ___sys_sendmsg+0xee/0x170 [ 7272.639563][ T7704] __sys_sendmsg+0xcd/0x170 [ 7272.639563][ T7704] do_syscall_64+0xc6/0x1e0 [ 7272.639563][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7272.639563][ T7704] [ 7272.641769][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7272.641769][ T7704] netdev_get_by_index+0x5e/0x80 [ 7272.641769][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7272.641769][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7272.641769][ T7704] ip6_route_add+0x1c/0x140 [ 7272.641769][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7272.641769][ T7704] addrconf_add_dev+0xe2/0x170 [ 7272.641769][ T7704] inet6_addr_add+0x12f/0xa40 [ 7272.641769][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7272.641769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7272.641769][ T7704] netlink_rcv_skb+0x130/0x360 [ 7272.641769][ T7704] netlink_unicast+0x449/0x710 [ 7272.641769][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7272.641769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7272.641769][ T7704] ___sys_sendmsg+0xee/0x170 [ 7272.641769][ T7704] __sys_sendmsg+0xcd/0x170 [ 7272.641769][ T7704] do_syscall_64+0xc6/0x1e0 [ 7272.641769][ T7704] [ 7272.643960][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7272.643960][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7272.643960][ T7704] ipv6_find_idev+0x102/0x170 [ 7272.643960][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7272.643960][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7272.643960][ T7704] netlink_rcv_skb+0x130/0x360 [ 7272.643960][ T7704] netlink_unicast+0x449/0x710 [ 7272.643960][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7272.643960][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7272.643960][ T7704] ___sys_sendmsg+0xee/0x170 [ 7272.643960][ T7704] __sys_sendmsg+0xcd/0x170 [ 7272.643960][ T7704] do_syscall_64+0xc6/0x1e0 [ 7272.643960][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7272.643960][ T7704] [ 7272.645680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7272.645680][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7272.645680][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7272.645680][ T7704] ipv6_find_idev+0x102/0x170 [ 7272.645680][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7272.645680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7272.645680][ T7704] netlink_rcv_skb+0x130/0x360 [ 7272.645680][ T7704] netlink_unicast+0x449/0x710 [ 7272.645680][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7272.645680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7272.645680][ T7704] ___sys_sendmsg+0xee/0x170 [ 7272.645680][ T7704] __sys_sendmsg+0xcd/0x170 [ 7272.645680][ T7704] do_syscall_64+0xc6/0x1e0 [ 7272.645680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7272.645680][ T7704] [ 7282.884820][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7282.885310][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7282.885310][ T7704] netdev_get_by_index+0x5e/0x80 [ 7282.885310][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7282.885310][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7282.885310][ T7704] ip6_route_add+0x1c/0x140 [ 7282.885310][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7282.885310][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7282.885310][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7282.885310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7282.885310][ T7704] netlink_rcv_skb+0x130/0x360 [ 7282.885310][ T7704] netlink_unicast+0x449/0x710 [ 7282.885310][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7282.885310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7282.885310][ T7704] ___sys_sendmsg+0xee/0x170 [ 7282.885310][ T7704] __sys_sendmsg+0xcd/0x170 [ 7282.885310][ T7704] do_syscall_64+0xc6/0x1e0 [ 7282.885310][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7282.885310][ T7704] [ 7282.887588][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7282.887588][ T7704] netdev_get_by_index+0x5e/0x80 [ 7282.887588][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7282.887588][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7282.887588][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7282.887588][ T7704] ipv6_add_addr+0x411/0x2000 [ 7282.887588][ T7704] inet6_addr_add+0x30e/0xa40 [ 7282.887588][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7282.887588][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7282.887588][ T7704] netlink_rcv_skb+0x130/0x360 [ 7282.887588][ T7704] netlink_unicast+0x449/0x710 [ 7282.887588][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7282.887588][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7282.887588][ T7704] ___sys_sendmsg+0xee/0x170 [ 7282.887588][ T7704] __sys_sendmsg+0xcd/0x170 [ 7282.887588][ T7704] do_syscall_64+0xc6/0x1e0 [ 7282.887588][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7282.887588][ T7704] [ 7282.890406][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7282.890406][ T7704] netdev_get_by_index+0x5e/0x80 [ 7282.890406][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7282.890406][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7282.890406][ T7704] ip6_route_add+0x1c/0x140 [ 7282.890406][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7282.890406][ T7704] addrconf_add_dev+0xe2/0x170 [ 7282.890406][ T7704] inet6_addr_add+0x12f/0xa40 [ 7282.890406][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7282.890406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7282.890406][ T7704] netlink_rcv_skb+0x130/0x360 [ 7282.890406][ T7704] netlink_unicast+0x449/0x710 [ 7282.890406][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7282.890406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7282.890406][ T7704] ___sys_sendmsg+0xee/0x170 [ 7282.890406][ T7704] __sys_sendmsg+0xcd/0x170 [ 7282.890406][ T7704] do_syscall_64+0xc6/0x1e0 [ 7282.890406][ T7704] [ 7282.892590][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7282.892590][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7282.892590][ T7704] ipv6_find_idev+0x102/0x170 [ 7282.892590][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7282.892590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7282.892590][ T7704] netlink_rcv_skb+0x130/0x360 [ 7282.892590][ T7704] netlink_unicast+0x449/0x710 [ 7282.892590][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7282.892590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7282.892590][ T7704] ___sys_sendmsg+0xee/0x170 [ 7282.892590][ T7704] __sys_sendmsg+0xcd/0x170 [ 7282.892590][ T7704] do_syscall_64+0xc6/0x1e0 [ 7282.892590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7282.892590][ T7704] [ 7282.894432][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7282.894432][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7282.894432][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7282.894432][ T7704] ipv6_find_idev+0x102/0x170 [ 7282.894432][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7282.894432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7282.894432][ T7704] netlink_rcv_skb+0x130/0x360 [ 7282.894432][ T7704] netlink_unicast+0x449/0x710 [ 7282.894432][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7282.894432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7282.894432][ T7704] ___sys_sendmsg+0xee/0x170 [ 7282.894432][ T7704] __sys_sendmsg+0xcd/0x170 [ 7282.894432][ T7704] do_syscall_64+0xc6/0x1e0 [ 7282.894432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7282.894432][ T7704] [ 7293.132827][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7293.133328][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7293.133328][ T7704] netdev_get_by_index+0x5e/0x80 [ 7293.133328][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7293.133328][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7293.133328][ T7704] ip6_route_add+0x1c/0x140 [ 7293.133328][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7293.133328][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7293.133328][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7293.133328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7293.133328][ T7704] netlink_rcv_skb+0x130/0x360 [ 7293.133328][ T7704] netlink_unicast+0x449/0x710 [ 7293.133328][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7293.133328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7293.133328][ T7704] ___sys_sendmsg+0xee/0x170 [ 7293.133328][ T7704] __sys_sendmsg+0xcd/0x170 [ 7293.133328][ T7704] do_syscall_64+0xc6/0x1e0 [ 7293.133328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7293.133328][ T7704] [ 7293.135556][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7293.135556][ T7704] netdev_get_by_index+0x5e/0x80 [ 7293.135556][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7293.135556][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7293.135556][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7293.135556][ T7704] ipv6_add_addr+0x411/0x2000 [ 7293.135556][ T7704] inet6_addr_add+0x30e/0xa40 [ 7293.135556][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7293.135556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7293.135556][ T7704] netlink_rcv_skb+0x130/0x360 [ 7293.135556][ T7704] netlink_unicast+0x449/0x710 [ 7293.135556][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7293.135556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7293.135556][ T7704] ___sys_sendmsg+0xee/0x170 [ 7293.135556][ T7704] __sys_sendmsg+0xcd/0x170 [ 7293.135556][ T7704] do_syscall_64+0xc6/0x1e0 [ 7293.135556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7293.135556][ T7704] [ 7293.137787][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7293.137787][ T7704] netdev_get_by_index+0x5e/0x80 [ 7293.137787][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7293.137787][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7293.137787][ T7704] ip6_route_add+0x1c/0x140 [ 7293.137787][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7293.137787][ T7704] addrconf_add_dev+0xe2/0x170 [ 7293.137787][ T7704] inet6_addr_add+0x12f/0xa40 [ 7293.137787][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7293.137787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7293.137787][ T7704] netlink_rcv_skb+0x130/0x360 [ 7293.137787][ T7704] netlink_unicast+0x449/0x710 [ 7293.137787][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7293.137787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7293.137787][ T7704] ___sys_sendmsg+0xee/0x170 [ 7293.137787][ T7704] __sys_sendmsg+0xcd/0x170 [ 7293.137787][ T7704] do_syscall_64+0xc6/0x1e0 [ 7293.137787][ T7704] [ 7293.140071][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7293.140071][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7293.140071][ T7704] ipv6_find_idev+0x102/0x170 [ 7293.140071][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7293.140071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7293.140071][ T7704] netlink_rcv_skb+0x130/0x360 [ 7293.140071][ T7704] netlink_unicast+0x449/0x710 [ 7293.140071][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7293.140071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7293.140071][ T7704] ___sys_sendmsg+0xee/0x170 [ 7293.140071][ T7704] __sys_sendmsg+0xcd/0x170 [ 7293.140071][ T7704] do_syscall_64+0xc6/0x1e0 [ 7293.140071][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7293.140071][ T7704] [ 7293.141782][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7293.141782][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7293.141782][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7293.141782][ T7704] ipv6_find_idev+0x102/0x170 [ 7293.141782][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7293.141782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7293.141782][ T7704] netlink_rcv_skb+0x130/0x360 [ 7293.141782][ T7704] netlink_unicast+0x449/0x710 [ 7293.141782][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7293.141782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7293.141782][ T7704] ___sys_sendmsg+0xee/0x170 [ 7293.141782][ T7704] __sys_sendmsg+0xcd/0x170 [ 7293.141782][ T7704] do_syscall_64+0xc6/0x1e0 [ 7293.141782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7293.141782][ T7704] [ 7303.236808][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7303.237245][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7303.237245][ T7704] netdev_get_by_index+0x5e/0x80 [ 7303.237245][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7303.237245][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7303.237245][ T7704] ip6_route_add+0x1c/0x140 [ 7303.237245][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7303.237245][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7303.237245][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7303.237245][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7303.237245][ T7704] netlink_rcv_skb+0x130/0x360 [ 7303.237245][ T7704] netlink_unicast+0x449/0x710 [ 7303.237245][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7303.237245][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7303.237245][ T7704] ___sys_sendmsg+0xee/0x170 [ 7303.237245][ T7704] __sys_sendmsg+0xcd/0x170 [ 7303.237245][ T7704] do_syscall_64+0xc6/0x1e0 [ 7303.237245][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7303.237245][ T7704] [ 7303.240034][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7303.240034][ T7704] netdev_get_by_index+0x5e/0x80 [ 7303.240034][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7303.240034][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7303.240034][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7303.240034][ T7704] ipv6_add_addr+0x411/0x2000 [ 7303.240034][ T7704] inet6_addr_add+0x30e/0xa40 [ 7303.240034][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7303.240034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7303.240034][ T7704] netlink_rcv_skb+0x130/0x360 [ 7303.240034][ T7704] netlink_unicast+0x449/0x710 [ 7303.240034][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7303.240034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7303.240034][ T7704] ___sys_sendmsg+0xee/0x170 [ 7303.240034][ T7704] __sys_sendmsg+0xcd/0x170 [ 7303.240034][ T7704] do_syscall_64+0xc6/0x1e0 [ 7303.240034][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7303.240034][ T7704] [ 7303.242228][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7303.242228][ T7704] netdev_get_by_index+0x5e/0x80 [ 7303.242228][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7303.242228][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7303.242228][ T7704] ip6_route_add+0x1c/0x140 [ 7303.242228][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7303.242228][ T7704] addrconf_add_dev+0xe2/0x170 [ 7303.242228][ T7704] inet6_addr_add+0x12f/0xa40 [ 7303.242228][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7303.242228][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7303.242228][ T7704] netlink_rcv_skb+0x130/0x360 [ 7303.242228][ T7704] netlink_unicast+0x449/0x710 [ 7303.242228][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7303.242228][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7303.242228][ T7704] ___sys_sendmsg+0xee/0x170 [ 7303.242228][ T7704] __sys_sendmsg+0xcd/0x170 [ 7303.242228][ T7704] do_syscall_64+0xc6/0x1e0 [ 7303.242228][ T7704] [ 7303.244423][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7303.244423][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7303.244423][ T7704] ipv6_find_idev+0x102/0x170 [ 7303.244423][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7303.244423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7303.244423][ T7704] netlink_rcv_skb+0x130/0x360 [ 7303.244423][ T7704] netlink_unicast+0x449/0x710 [ 7303.244423][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7303.244423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7303.244423][ T7704] ___sys_sendmsg+0xee/0x170 [ 7303.244423][ T7704] __sys_sendmsg+0xcd/0x170 [ 7303.244423][ T7704] do_syscall_64+0xc6/0x1e0 [ 7303.244423][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7303.244423][ T7704] [ 7303.246134][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7303.246134][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7303.246134][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7303.246134][ T7704] ipv6_find_idev+0x102/0x170 [ 7303.246134][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7303.246134][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7303.246134][ T7704] netlink_rcv_skb+0x130/0x360 [ 7303.246134][ T7704] netlink_unicast+0x449/0x710 [ 7303.246134][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7303.246134][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7303.246134][ T7704] ___sys_sendmsg+0xee/0x170 [ 7303.246134][ T7704] __sys_sendmsg+0xcd/0x170 [ 7303.246134][ T7704] do_syscall_64+0xc6/0x1e0 [ 7303.246134][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7303.246134][ T7704] [ 7313.484810][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7313.485828][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7313.485828][ T7704] netdev_get_by_index+0x5e/0x80 [ 7313.485828][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7313.485828][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7313.485828][ T7704] ip6_route_add+0x1c/0x140 [ 7313.485828][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7313.485828][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7313.485828][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7313.485828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7313.485828][ T7704] netlink_rcv_skb+0x130/0x360 [ 7313.485828][ T7704] netlink_unicast+0x449/0x710 [ 7313.485828][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7313.485828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7313.485828][ T7704] ___sys_sendmsg+0xee/0x170 [ 7313.485828][ T7704] __sys_sendmsg+0xcd/0x170 [ 7313.485828][ T7704] do_syscall_64+0xc6/0x1e0 [ 7313.485828][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7313.485828][ T7704] [ 7313.488065][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7313.488065][ T7704] netdev_get_by_index+0x5e/0x80 [ 7313.488065][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7313.488065][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7313.488065][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7313.488065][ T7704] ipv6_add_addr+0x411/0x2000 [ 7313.488065][ T7704] inet6_addr_add+0x30e/0xa40 [ 7313.488065][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7313.488065][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7313.488065][ T7704] netlink_rcv_skb+0x130/0x360 [ 7313.488065][ T7704] netlink_unicast+0x449/0x710 [ 7313.488065][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7313.488065][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7313.488065][ T7704] ___sys_sendmsg+0xee/0x170 [ 7313.488065][ T7704] __sys_sendmsg+0xcd/0x170 [ 7313.488065][ T7704] do_syscall_64+0xc6/0x1e0 [ 7313.488065][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7313.488065][ T7704] [ 7313.490274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7313.490274][ T7704] netdev_get_by_index+0x5e/0x80 [ 7313.490274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7313.490274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7313.490274][ T7704] ip6_route_add+0x1c/0x140 [ 7313.490274][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7313.490274][ T7704] addrconf_add_dev+0xe2/0x170 [ 7313.490274][ T7704] inet6_addr_add+0x12f/0xa40 [ 7313.490274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7313.490274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7313.490274][ T7704] netlink_rcv_skb+0x130/0x360 [ 7313.490274][ T7704] netlink_unicast+0x449/0x710 [ 7313.490274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7313.490274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7313.490274][ T7704] ___sys_sendmsg+0xee/0x170 [ 7313.490274][ T7704] __sys_sendmsg+0xcd/0x170 [ 7313.490274][ T7704] do_syscall_64+0xc6/0x1e0 [ 7313.490274][ T7704] [ 7313.492392][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7313.492392][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7313.492392][ T7704] ipv6_find_idev+0x102/0x170 [ 7313.492392][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7313.492392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7313.492392][ T7704] netlink_rcv_skb+0x130/0x360 [ 7313.492392][ T7704] netlink_unicast+0x449/0x710 [ 7313.492392][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7313.492392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7313.492392][ T7704] ___sys_sendmsg+0xee/0x170 [ 7313.492392][ T7704] __sys_sendmsg+0xcd/0x170 [ 7313.492392][ T7704] do_syscall_64+0xc6/0x1e0 [ 7313.492392][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7313.492392][ T7704] [ 7313.494074][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7313.494074][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7313.494074][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7313.494074][ T7704] ipv6_find_idev+0x102/0x170 [ 7313.494074][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7313.494074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7313.494074][ T7704] netlink_rcv_skb+0x130/0x360 [ 7313.494074][ T7704] netlink_unicast+0x449/0x710 [ 7313.494074][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7313.494074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7313.494074][ T7704] ___sys_sendmsg+0xee/0x170 [ 7313.494074][ T7704] __sys_sendmsg+0xcd/0x170 [ 7313.494074][ T7704] do_syscall_64+0xc6/0x1e0 [ 7313.494074][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7313.494074][ T7704] [ 7323.732837][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7323.733366][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7323.733366][ T7704] netdev_get_by_index+0x5e/0x80 [ 7323.733366][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7323.733366][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7323.733366][ T7704] ip6_route_add+0x1c/0x140 [ 7323.733366][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7323.733366][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7323.733366][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7323.733366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7323.733366][ T7704] netlink_rcv_skb+0x130/0x360 [ 7323.733366][ T7704] netlink_unicast+0x449/0x710 [ 7323.733366][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7323.733366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7323.733366][ T7704] ___sys_sendmsg+0xee/0x170 [ 7323.733366][ T7704] __sys_sendmsg+0xcd/0x170 [ 7323.733366][ T7704] do_syscall_64+0xc6/0x1e0 [ 7323.733366][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7323.733366][ T7704] [ 7323.735606][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7323.735606][ T7704] netdev_get_by_index+0x5e/0x80 [ 7323.735606][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7323.735606][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7323.735606][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7323.735606][ T7704] ipv6_add_addr+0x411/0x2000 [ 7323.735606][ T7704] inet6_addr_add+0x30e/0xa40 [ 7323.735606][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7323.735606][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7323.735606][ T7704] netlink_rcv_skb+0x130/0x360 [ 7323.735606][ T7704] netlink_unicast+0x449/0x710 [ 7323.735606][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7323.735606][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7323.735606][ T7704] ___sys_sendmsg+0xee/0x170 [ 7323.735606][ T7704] __sys_sendmsg+0xcd/0x170 [ 7323.735606][ T7704] do_syscall_64+0xc6/0x1e0 [ 7323.735606][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7323.735606][ T7704] [ 7323.737839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7323.737839][ T7704] netdev_get_by_index+0x5e/0x80 [ 7323.737839][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7323.737839][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7323.737839][ T7704] ip6_route_add+0x1c/0x140 [ 7323.737839][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7323.737839][ T7704] addrconf_add_dev+0xe2/0x170 [ 7323.737839][ T7704] inet6_addr_add+0x12f/0xa40 [ 7323.737839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7323.737839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7323.737839][ T7704] netlink_rcv_skb+0x130/0x360 [ 7323.737839][ T7704] netlink_unicast+0x449/0x710 [ 7323.737839][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7323.737839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7323.737839][ T7704] ___sys_sendmsg+0xee/0x170 [ 7323.737839][ T7704] __sys_sendmsg+0xcd/0x170 [ 7323.737839][ T7704] do_syscall_64+0xc6/0x1e0 [ 7323.737839][ T7704] [ 7323.740007][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7323.740007][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7323.740007][ T7704] ipv6_find_idev+0x102/0x170 [ 7323.740007][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7323.740007][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7323.740007][ T7704] netlink_rcv_skb+0x130/0x360 [ 7323.740007][ T7704] netlink_unicast+0x449/0x710 [ 7323.740007][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7323.740007][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7323.740007][ T7704] ___sys_sendmsg+0xee/0x170 [ 7323.740007][ T7704] __sys_sendmsg+0xcd/0x170 [ 7323.740007][ T7704] do_syscall_64+0xc6/0x1e0 [ 7323.740007][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7323.740007][ T7704] [ 7323.741708][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7323.741708][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7323.741708][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7323.741708][ T7704] ipv6_find_idev+0x102/0x170 [ 7323.741708][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7323.741708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7323.741708][ T7704] netlink_rcv_skb+0x130/0x360 [ 7323.741708][ T7704] netlink_unicast+0x449/0x710 [ 7323.741708][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7323.741708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7323.741708][ T7704] ___sys_sendmsg+0xee/0x170 [ 7323.741708][ T7704] __sys_sendmsg+0xcd/0x170 [ 7323.741708][ T7704] do_syscall_64+0xc6/0x1e0 [ 7323.741708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7323.741708][ T7704] [ 7333.980846][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7333.981311][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7333.981311][ T7704] netdev_get_by_index+0x5e/0x80 [ 7333.981311][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7333.981311][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7333.981311][ T7704] ip6_route_add+0x1c/0x140 [ 7333.981311][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7333.981311][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7333.981311][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7333.981311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7333.981311][ T7704] netlink_rcv_skb+0x130/0x360 [ 7333.981311][ T7704] netlink_unicast+0x449/0x710 [ 7333.981311][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7333.981311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7333.981311][ T7704] ___sys_sendmsg+0xee/0x170 [ 7333.981311][ T7704] __sys_sendmsg+0xcd/0x170 [ 7333.981311][ T7704] do_syscall_64+0xc6/0x1e0 [ 7333.981311][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7333.981311][ T7704] [ 7333.983558][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7333.983558][ T7704] netdev_get_by_index+0x5e/0x80 [ 7333.983558][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7333.983558][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7333.983558][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7333.983558][ T7704] ipv6_add_addr+0x411/0x2000 [ 7333.983558][ T7704] inet6_addr_add+0x30e/0xa40 [ 7333.983558][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7333.983558][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7333.983558][ T7704] netlink_rcv_skb+0x130/0x360 [ 7333.983558][ T7704] netlink_unicast+0x449/0x710 [ 7333.983558][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7333.983558][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7333.983558][ T7704] ___sys_sendmsg+0xee/0x170 [ 7333.983558][ T7704] __sys_sendmsg+0xcd/0x170 [ 7333.983558][ T7704] do_syscall_64+0xc6/0x1e0 [ 7333.983558][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7333.983558][ T7704] [ 7333.985775][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7333.985775][ T7704] netdev_get_by_index+0x5e/0x80 [ 7333.985775][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7333.985775][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7333.985775][ T7704] ip6_route_add+0x1c/0x140 [ 7333.985775][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7333.985775][ T7704] addrconf_add_dev+0xe2/0x170 [ 7333.985775][ T7704] inet6_addr_add+0x12f/0xa40 [ 7333.985775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7333.985775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7333.985775][ T7704] netlink_rcv_skb+0x130/0x360 [ 7333.985775][ T7704] netlink_unicast+0x449/0x710 [ 7333.985775][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7333.985775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7333.985775][ T7704] ___sys_sendmsg+0xee/0x170 [ 7333.985775][ T7704] __sys_sendmsg+0xcd/0x170 [ 7333.985775][ T7704] do_syscall_64+0xc6/0x1e0 [ 7333.985775][ T7704] [ 7333.987964][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7333.987964][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7333.987964][ T7704] ipv6_find_idev+0x102/0x170 [ 7333.987964][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7333.987964][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7333.987964][ T7704] netlink_rcv_skb+0x130/0x360 [ 7333.987964][ T7704] netlink_unicast+0x449/0x710 [ 7333.987964][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7333.987964][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7333.987964][ T7704] ___sys_sendmsg+0xee/0x170 [ 7333.987964][ T7704] __sys_sendmsg+0xcd/0x170 [ 7333.987964][ T7704] do_syscall_64+0xc6/0x1e0 [ 7333.987964][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7333.987964][ T7704] [ 7333.989666][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7333.989666][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7333.989666][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7333.989666][ T7704] ipv6_find_idev+0x102/0x170 [ 7333.989666][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7333.989666][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7333.989666][ T7704] netlink_rcv_skb+0x130/0x360 [ 7333.989666][ T7704] netlink_unicast+0x449/0x710 [ 7333.989666][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7333.989666][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7333.989666][ T7704] ___sys_sendmsg+0xee/0x170 [ 7333.989666][ T7704] __sys_sendmsg+0xcd/0x170 [ 7333.989666][ T7704] do_syscall_64+0xc6/0x1e0 [ 7333.989666][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7333.989666][ T7704] [ 7344.228818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7344.229289][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7344.229289][ T7704] netdev_get_by_index+0x5e/0x80 [ 7344.229289][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7344.229289][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7344.229289][ T7704] ip6_route_add+0x1c/0x140 [ 7344.229289][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7344.229289][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7344.229289][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7344.229289][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7344.229289][ T7704] netlink_rcv_skb+0x130/0x360 [ 7344.229289][ T7704] netlink_unicast+0x449/0x710 [ 7344.229289][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7344.229289][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7344.229289][ T7704] ___sys_sendmsg+0xee/0x170 [ 7344.229289][ T7704] __sys_sendmsg+0xcd/0x170 [ 7344.229289][ T7704] do_syscall_64+0xc6/0x1e0 [ 7344.229289][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7344.229289][ T7704] [ 7344.231539][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7344.231539][ T7704] netdev_get_by_index+0x5e/0x80 [ 7344.231539][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7344.231539][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7344.231539][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7344.231539][ T7704] ipv6_add_addr+0x411/0x2000 [ 7344.231539][ T7704] inet6_addr_add+0x30e/0xa40 [ 7344.231539][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7344.231539][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7344.231539][ T7704] netlink_rcv_skb+0x130/0x360 [ 7344.231539][ T7704] netlink_unicast+0x449/0x710 [ 7344.231539][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7344.231539][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7344.231539][ T7704] ___sys_sendmsg+0xee/0x170 [ 7344.231539][ T7704] __sys_sendmsg+0xcd/0x170 [ 7344.231539][ T7704] do_syscall_64+0xc6/0x1e0 [ 7344.231539][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7344.231539][ T7704] [ 7344.234025][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7344.234025][ T7704] netdev_get_by_index+0x5e/0x80 [ 7344.234025][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7344.234025][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7344.234025][ T7704] ip6_route_add+0x1c/0x140 [ 7344.234025][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7344.234025][ T7704] addrconf_add_dev+0xe2/0x170 [ 7344.234025][ T7704] inet6_addr_add+0x12f/0xa40 [ 7344.234025][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7344.234025][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7344.234025][ T7704] netlink_rcv_skb+0x130/0x360 [ 7344.234025][ T7704] netlink_unicast+0x449/0x710 [ 7344.234025][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7344.234025][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7344.234025][ T7704] ___sys_sendmsg+0xee/0x170 [ 7344.234025][ T7704] __sys_sendmsg+0xcd/0x170 [ 7344.234025][ T7704] do_syscall_64+0xc6/0x1e0 [ 7344.234025][ T7704] [ 7344.236203][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7344.236203][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7344.236203][ T7704] ipv6_find_idev+0x102/0x170 [ 7344.236203][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7344.236203][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7344.236203][ T7704] netlink_rcv_skb+0x130/0x360 [ 7344.236203][ T7704] netlink_unicast+0x449/0x710 [ 7344.236203][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7344.236203][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7344.236203][ T7704] ___sys_sendmsg+0xee/0x170 [ 7344.236203][ T7704] __sys_sendmsg+0xcd/0x170 [ 7344.236203][ T7704] do_syscall_64+0xc6/0x1e0 [ 7344.236203][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7344.236203][ T7704] [ 7344.237908][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7344.237908][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7344.237908][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7344.237908][ T7704] ipv6_find_idev+0x102/0x170 [ 7344.237908][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7344.237908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7344.237908][ T7704] netlink_rcv_skb+0x130/0x360 [ 7344.237908][ T7704] netlink_unicast+0x449/0x710 [ 7344.237908][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7344.237908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7344.237908][ T7704] ___sys_sendmsg+0xee/0x170 [ 7344.237908][ T7704] __sys_sendmsg+0xcd/0x170 [ 7344.237908][ T7704] do_syscall_64+0xc6/0x1e0 [ 7344.237908][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7344.237908][ T7704] [ 7354.476802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7354.477268][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7354.477268][ T7704] netdev_get_by_index+0x5e/0x80 [ 7354.477268][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7354.477268][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7354.477268][ T7704] ip6_route_add+0x1c/0x140 [ 7354.477268][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7354.477268][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7354.477268][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7354.477268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7354.477268][ T7704] netlink_rcv_skb+0x130/0x360 [ 7354.477268][ T7704] netlink_unicast+0x449/0x710 [ 7354.477268][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7354.477268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7354.477268][ T7704] ___sys_sendmsg+0xee/0x170 [ 7354.477268][ T7704] __sys_sendmsg+0xcd/0x170 [ 7354.477268][ T7704] do_syscall_64+0xc6/0x1e0 [ 7354.477268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7354.477268][ T7704] [ 7354.479604][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7354.479604][ T7704] netdev_get_by_index+0x5e/0x80 [ 7354.479604][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7354.479604][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7354.479604][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7354.479604][ T7704] ipv6_add_addr+0x411/0x2000 [ 7354.479604][ T7704] inet6_addr_add+0x30e/0xa40 [ 7354.479604][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7354.479604][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7354.479604][ T7704] netlink_rcv_skb+0x130/0x360 [ 7354.479604][ T7704] netlink_unicast+0x449/0x710 [ 7354.479604][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7354.479604][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7354.479604][ T7704] ___sys_sendmsg+0xee/0x170 [ 7354.479604][ T7704] __sys_sendmsg+0xcd/0x170 [ 7354.479604][ T7704] do_syscall_64+0xc6/0x1e0 [ 7354.479604][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7354.479604][ T7704] [ 7354.481813][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7354.481813][ T7704] netdev_get_by_index+0x5e/0x80 [ 7354.481813][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7354.481813][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7354.481813][ T7704] ip6_route_add+0x1c/0x140 [ 7354.481813][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7354.481813][ T7704] addrconf_add_dev+0xe2/0x170 [ 7354.481813][ T7704] inet6_addr_add+0x12f/0xa40 [ 7354.481813][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7354.481813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7354.481813][ T7704] netlink_rcv_skb+0x130/0x360 [ 7354.481813][ T7704] netlink_unicast+0x449/0x710 [ 7354.481813][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7354.481813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7354.481813][ T7704] ___sys_sendmsg+0xee/0x170 [ 7354.481813][ T7704] __sys_sendmsg+0xcd/0x170 [ 7354.481813][ T7704] do_syscall_64+0xc6/0x1e0 [ 7354.481813][ T7704] [ 7354.483987][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7354.483987][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7354.483987][ T7704] ipv6_find_idev+0x102/0x170 [ 7354.483987][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7354.483987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7354.483987][ T7704] netlink_rcv_skb+0x130/0x360 [ 7354.483987][ T7704] netlink_unicast+0x449/0x710 [ 7354.483987][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7354.483987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7354.483987][ T7704] ___sys_sendmsg+0xee/0x170 [ 7354.483987][ T7704] __sys_sendmsg+0xcd/0x170 [ 7354.483987][ T7704] do_syscall_64+0xc6/0x1e0 [ 7354.483987][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7354.483987][ T7704] [ 7354.485682][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7354.485682][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7354.485682][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7354.485682][ T7704] ipv6_find_idev+0x102/0x170 [ 7354.485682][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7354.485682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7354.485682][ T7704] netlink_rcv_skb+0x130/0x360 [ 7354.485682][ T7704] netlink_unicast+0x449/0x710 [ 7354.485682][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7354.485682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7354.485682][ T7704] ___sys_sendmsg+0xee/0x170 [ 7354.485682][ T7704] __sys_sendmsg+0xcd/0x170 [ 7354.485682][ T7704] do_syscall_64+0xc6/0x1e0 [ 7354.485682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7354.485682][ T7704] [ 7364.684766][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7364.685272][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7364.685272][ T7704] netdev_get_by_index+0x5e/0x80 [ 7364.685272][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7364.685272][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7364.685272][ T7704] ip6_route_add+0x1c/0x140 [ 7364.685272][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7364.685272][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7364.685272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7364.685272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7364.685272][ T7704] netlink_rcv_skb+0x130/0x360 [ 7364.685272][ T7704] netlink_unicast+0x449/0x710 [ 7364.685272][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7364.685272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7364.685272][ T7704] ___sys_sendmsg+0xee/0x170 [ 7364.685272][ T7704] __sys_sendmsg+0xcd/0x170 [ 7364.685272][ T7704] do_syscall_64+0xc6/0x1e0 [ 7364.685272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7364.685272][ T7704] [ 7364.687606][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7364.687606][ T7704] netdev_get_by_index+0x5e/0x80 [ 7364.687606][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7364.687606][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7364.687606][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7364.687606][ T7704] ipv6_add_addr+0x411/0x2000 [ 7364.687606][ T7704] inet6_addr_add+0x30e/0xa40 [ 7364.687606][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7364.687606][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7364.687606][ T7704] netlink_rcv_skb+0x130/0x360 [ 7364.687606][ T7704] netlink_unicast+0x449/0x710 [ 7364.687606][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7364.687606][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7364.687606][ T7704] ___sys_sendmsg+0xee/0x170 [ 7364.687606][ T7704] __sys_sendmsg+0xcd/0x170 [ 7364.687606][ T7704] do_syscall_64+0xc6/0x1e0 [ 7364.687606][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7364.687606][ T7704] [ 7364.689981][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7364.689981][ T7704] netdev_get_by_index+0x5e/0x80 [ 7364.689981][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7364.689981][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7364.689981][ T7704] ip6_route_add+0x1c/0x140 [ 7364.689981][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7364.689981][ T7704] addrconf_add_dev+0xe2/0x170 [ 7364.689981][ T7704] inet6_addr_add+0x12f/0xa40 [ 7364.689981][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7364.689981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7364.689981][ T7704] netlink_rcv_skb+0x130/0x360 [ 7364.689981][ T7704] netlink_unicast+0x449/0x710 [ 7364.689981][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7364.689981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7364.689981][ T7704] ___sys_sendmsg+0xee/0x170 [ 7364.689981][ T7704] __sys_sendmsg+0xcd/0x170 [ 7364.689981][ T7704] do_syscall_64+0xc6/0x1e0 [ 7364.689981][ T7704] [ 7364.692238][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7364.692238][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7364.692238][ T7704] ipv6_find_idev+0x102/0x170 [ 7364.692238][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7364.692238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7364.692238][ T7704] netlink_rcv_skb+0x130/0x360 [ 7364.692238][ T7704] netlink_unicast+0x449/0x710 [ 7364.692238][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7364.692238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7364.692238][ T7704] ___sys_sendmsg+0xee/0x170 [ 7364.692238][ T7704] __sys_sendmsg+0xcd/0x170 [ 7364.692238][ T7704] do_syscall_64+0xc6/0x1e0 [ 7364.692238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7364.692238][ T7704] [ 7364.694057][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7364.694057][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7364.694057][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7364.694057][ T7704] ipv6_find_idev+0x102/0x170 [ 7364.694057][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7364.694057][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7364.694057][ T7704] netlink_rcv_skb+0x130/0x360 [ 7364.694057][ T7704] netlink_unicast+0x449/0x710 [ 7364.694057][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7364.694057][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7364.694057][ T7704] ___sys_sendmsg+0xee/0x170 [ 7364.694057][ T7704] __sys_sendmsg+0xcd/0x170 [ 7364.694057][ T7704] do_syscall_64+0xc6/0x1e0 [ 7364.694057][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7364.694057][ T7704] [ 7374.932797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7374.933299][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7374.933299][ T7704] netdev_get_by_index+0x5e/0x80 [ 7374.933299][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7374.933299][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7374.933299][ T7704] ip6_route_add+0x1c/0x140 [ 7374.933299][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7374.933299][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7374.933299][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7374.933299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7374.933299][ T7704] netlink_rcv_skb+0x130/0x360 [ 7374.933299][ T7704] netlink_unicast+0x449/0x710 [ 7374.933299][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7374.933299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7374.933299][ T7704] ___sys_sendmsg+0xee/0x170 [ 7374.933299][ T7704] __sys_sendmsg+0xcd/0x170 [ 7374.933299][ T7704] do_syscall_64+0xc6/0x1e0 [ 7374.933299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7374.933299][ T7704] [ 7374.935556][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7374.935556][ T7704] netdev_get_by_index+0x5e/0x80 [ 7374.935556][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7374.935556][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7374.935556][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7374.935556][ T7704] ipv6_add_addr+0x411/0x2000 [ 7374.935556][ T7704] inet6_addr_add+0x30e/0xa40 [ 7374.935556][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7374.935556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7374.935556][ T7704] netlink_rcv_skb+0x130/0x360 [ 7374.935556][ T7704] netlink_unicast+0x449/0x710 [ 7374.935556][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7374.935556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7374.935556][ T7704] ___sys_sendmsg+0xee/0x170 [ 7374.935556][ T7704] __sys_sendmsg+0xcd/0x170 [ 7374.935556][ T7704] do_syscall_64+0xc6/0x1e0 [ 7374.935556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7374.935556][ T7704] [ 7374.937799][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7374.937799][ T7704] netdev_get_by_index+0x5e/0x80 [ 7374.937799][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7374.937799][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7374.937799][ T7704] ip6_route_add+0x1c/0x140 [ 7374.937799][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7374.937799][ T7704] addrconf_add_dev+0xe2/0x170 [ 7374.937799][ T7704] inet6_addr_add+0x12f/0xa40 [ 7374.937799][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7374.937799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7374.937799][ T7704] netlink_rcv_skb+0x130/0x360 [ 7374.937799][ T7704] netlink_unicast+0x449/0x710 [ 7374.937799][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7374.937799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7374.937799][ T7704] ___sys_sendmsg+0xee/0x170 [ 7374.937799][ T7704] __sys_sendmsg+0xcd/0x170 [ 7374.937799][ T7704] do_syscall_64+0xc6/0x1e0 [ 7374.937799][ T7704] [ 7374.940001][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7374.940001][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7374.940001][ T7704] ipv6_find_idev+0x102/0x170 [ 7374.940001][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7374.940001][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7374.940001][ T7704] netlink_rcv_skb+0x130/0x360 [ 7374.940001][ T7704] netlink_unicast+0x449/0x710 [ 7374.940001][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7374.940001][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7374.940001][ T7704] ___sys_sendmsg+0xee/0x170 [ 7374.940001][ T7704] __sys_sendmsg+0xcd/0x170 [ 7374.940001][ T7704] do_syscall_64+0xc6/0x1e0 [ 7374.940001][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7374.940001][ T7704] [ 7374.941817][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7374.941817][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7374.941817][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7374.941817][ T7704] ipv6_find_idev+0x102/0x170 [ 7374.941817][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7374.941817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7374.941817][ T7704] netlink_rcv_skb+0x130/0x360 [ 7374.941817][ T7704] netlink_unicast+0x449/0x710 [ 7374.941817][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7374.941817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7374.941817][ T7704] ___sys_sendmsg+0xee/0x170 [ 7374.941817][ T7704] __sys_sendmsg+0xcd/0x170 [ 7374.941817][ T7704] do_syscall_64+0xc6/0x1e0 [ 7374.941817][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7374.941817][ T7704] [ 7385.180800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7385.181269][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7385.181269][ T7704] netdev_get_by_index+0x5e/0x80 [ 7385.181269][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7385.181269][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7385.181269][ T7704] ip6_route_add+0x1c/0x140 [ 7385.181269][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7385.181269][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7385.181269][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7385.181269][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7385.181269][ T7704] netlink_rcv_skb+0x130/0x360 [ 7385.181269][ T7704] netlink_unicast+0x449/0x710 [ 7385.181269][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7385.181269][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7385.181269][ T7704] ___sys_sendmsg+0xee/0x170 [ 7385.181269][ T7704] __sys_sendmsg+0xcd/0x170 [ 7385.181269][ T7704] do_syscall_64+0xc6/0x1e0 [ 7385.181269][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7385.181269][ T7704] [ 7385.183547][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7385.183547][ T7704] netdev_get_by_index+0x5e/0x80 [ 7385.183547][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7385.183547][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7385.183547][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7385.183547][ T7704] ipv6_add_addr+0x411/0x2000 [ 7385.183547][ T7704] inet6_addr_add+0x30e/0xa40 [ 7385.183547][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7385.183547][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7385.183547][ T7704] netlink_rcv_skb+0x130/0x360 [ 7385.183547][ T7704] netlink_unicast+0x449/0x710 [ 7385.183547][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7385.183547][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7385.183547][ T7704] ___sys_sendmsg+0xee/0x170 [ 7385.183547][ T7704] __sys_sendmsg+0xcd/0x170 [ 7385.183547][ T7704] do_syscall_64+0xc6/0x1e0 [ 7385.183547][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7385.183547][ T7704] [ 7385.185890][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7385.185890][ T7704] netdev_get_by_index+0x5e/0x80 [ 7385.185890][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7385.185890][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7385.185890][ T7704] ip6_route_add+0x1c/0x140 [ 7385.185890][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7385.185890][ T7704] addrconf_add_dev+0xe2/0x170 [ 7385.185890][ T7704] inet6_addr_add+0x12f/0xa40 [ 7385.185890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7385.185890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7385.185890][ T7704] netlink_rcv_skb+0x130/0x360 [ 7385.185890][ T7704] netlink_unicast+0x449/0x710 [ 7385.185890][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7385.185890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7385.185890][ T7704] ___sys_sendmsg+0xee/0x170 [ 7385.185890][ T7704] __sys_sendmsg+0xcd/0x170 [ 7385.185890][ T7704] do_syscall_64+0xc6/0x1e0 [ 7385.185890][ T7704] [ 7385.188113][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7385.188113][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7385.188113][ T7704] ipv6_find_idev+0x102/0x170 [ 7385.188113][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7385.188113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7385.188113][ T7704] netlink_rcv_skb+0x130/0x360 [ 7385.188113][ T7704] netlink_unicast+0x449/0x710 [ 7385.188113][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7385.188113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7385.188113][ T7704] ___sys_sendmsg+0xee/0x170 [ 7385.188113][ T7704] __sys_sendmsg+0xcd/0x170 [ 7385.188113][ T7704] do_syscall_64+0xc6/0x1e0 [ 7385.188113][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7385.188113][ T7704] [ 7385.189797][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7385.189797][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7385.189797][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7385.189797][ T7704] ipv6_find_idev+0x102/0x170 [ 7385.189797][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7385.189797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7385.189797][ T7704] netlink_rcv_skb+0x130/0x360 [ 7385.189797][ T7704] netlink_unicast+0x449/0x710 [ 7385.189797][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7385.189797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7385.189797][ T7704] ___sys_sendmsg+0xee/0x170 [ 7385.189797][ T7704] __sys_sendmsg+0xcd/0x170 [ 7385.189797][ T7704] do_syscall_64+0xc6/0x1e0 [ 7385.189797][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7385.189797][ T7704] [ 7395.444812][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7395.445301][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7395.445301][ T7704] netdev_get_by_index+0x5e/0x80 [ 7395.445301][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7395.445301][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7395.445301][ T7704] ip6_route_add+0x1c/0x140 [ 7395.445301][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7395.445301][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7395.445301][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7395.445301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7395.445301][ T7704] netlink_rcv_skb+0x130/0x360 [ 7395.445301][ T7704] netlink_unicast+0x449/0x710 [ 7395.445301][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7395.445301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7395.445301][ T7704] ___sys_sendmsg+0xee/0x170 [ 7395.445301][ T7704] __sys_sendmsg+0xcd/0x170 [ 7395.445301][ T7704] do_syscall_64+0xc6/0x1e0 [ 7395.445301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7395.445301][ T7704] [ 7395.447697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7395.447697][ T7704] netdev_get_by_index+0x5e/0x80 [ 7395.447697][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7395.447697][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7395.447697][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7395.447697][ T7704] ipv6_add_addr+0x411/0x2000 [ 7395.447697][ T7704] inet6_addr_add+0x30e/0xa40 [ 7395.447697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7395.447697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7395.447697][ T7704] netlink_rcv_skb+0x130/0x360 [ 7395.447697][ T7704] netlink_unicast+0x449/0x710 [ 7395.447697][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7395.447697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7395.447697][ T7704] ___sys_sendmsg+0xee/0x170 [ 7395.447697][ T7704] __sys_sendmsg+0xcd/0x170 [ 7395.447697][ T7704] do_syscall_64+0xc6/0x1e0 [ 7395.447697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7395.447697][ T7704] [ 7395.449930][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7395.449930][ T7704] netdev_get_by_index+0x5e/0x80 [ 7395.449930][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7395.449930][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7395.449930][ T7704] ip6_route_add+0x1c/0x140 [ 7395.449930][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7395.449930][ T7704] addrconf_add_dev+0xe2/0x170 [ 7395.449930][ T7704] inet6_addr_add+0x12f/0xa40 [ 7395.449930][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7395.449930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7395.449930][ T7704] netlink_rcv_skb+0x130/0x360 [ 7395.449930][ T7704] netlink_unicast+0x449/0x710 [ 7395.449930][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7395.449930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7395.449930][ T7704] ___sys_sendmsg+0xee/0x170 [ 7395.449930][ T7704] __sys_sendmsg+0xcd/0x170 [ 7395.449930][ T7704] do_syscall_64+0xc6/0x1e0 [ 7395.449930][ T7704] [ 7395.452132][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7395.452132][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7395.452132][ T7704] ipv6_find_idev+0x102/0x170 [ 7395.452132][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7395.452132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7395.452132][ T7704] netlink_rcv_skb+0x130/0x360 [ 7395.452132][ T7704] netlink_unicast+0x449/0x710 [ 7395.452132][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7395.452132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7395.452132][ T7704] ___sys_sendmsg+0xee/0x170 [ 7395.452132][ T7704] __sys_sendmsg+0xcd/0x170 [ 7395.452132][ T7704] do_syscall_64+0xc6/0x1e0 [ 7395.452132][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7395.452132][ T7704] [ 7395.453804][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7395.453804][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7395.453804][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7395.453804][ T7704] ipv6_find_idev+0x102/0x170 [ 7395.453804][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7395.453804][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7395.453804][ T7704] netlink_rcv_skb+0x130/0x360 [ 7395.453804][ T7704] netlink_unicast+0x449/0x710 [ 7395.453804][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7395.453804][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7395.453804][ T7704] ___sys_sendmsg+0xee/0x170 [ 7395.453804][ T7704] __sys_sendmsg+0xcd/0x170 [ 7395.453804][ T7704] do_syscall_64+0xc6/0x1e0 [ 7395.453804][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7395.453804][ T7704] [ 7405.700810][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7405.701292][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7405.701292][ T7704] netdev_get_by_index+0x5e/0x80 [ 7405.701292][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7405.701292][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7405.701292][ T7704] ip6_route_add+0x1c/0x140 [ 7405.701292][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7405.701292][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7405.701292][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7405.701292][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7405.701292][ T7704] netlink_rcv_skb+0x130/0x360 [ 7405.701292][ T7704] netlink_unicast+0x449/0x710 [ 7405.701292][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7405.701292][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7405.701292][ T7704] ___sys_sendmsg+0xee/0x170 [ 7405.701292][ T7704] __sys_sendmsg+0xcd/0x170 [ 7405.701292][ T7704] do_syscall_64+0xc6/0x1e0 [ 7405.701292][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7405.701292][ T7704] [ 7405.703562][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7405.703562][ T7704] netdev_get_by_index+0x5e/0x80 [ 7405.703562][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7405.703562][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7405.703562][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7405.703562][ T7704] ipv6_add_addr+0x411/0x2000 [ 7405.703562][ T7704] inet6_addr_add+0x30e/0xa40 [ 7405.703562][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7405.703562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7405.703562][ T7704] netlink_rcv_skb+0x130/0x360 [ 7405.703562][ T7704] netlink_unicast+0x449/0x710 [ 7405.703562][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7405.703562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7405.703562][ T7704] ___sys_sendmsg+0xee/0x170 [ 7405.703562][ T7704] __sys_sendmsg+0xcd/0x170 [ 7405.703562][ T7704] do_syscall_64+0xc6/0x1e0 [ 7405.703562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7405.703562][ T7704] [ 7405.705805][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7405.705805][ T7704] netdev_get_by_index+0x5e/0x80 [ 7405.705805][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7405.705805][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7405.705805][ T7704] ip6_route_add+0x1c/0x140 [ 7405.705805][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7405.705805][ T7704] addrconf_add_dev+0xe2/0x170 [ 7405.705805][ T7704] inet6_addr_add+0x12f/0xa40 [ 7405.705805][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7405.705805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7405.705805][ T7704] netlink_rcv_skb+0x130/0x360 [ 7405.705805][ T7704] netlink_unicast+0x449/0x710 [ 7405.705805][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7405.705805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7405.705805][ T7704] ___sys_sendmsg+0xee/0x170 [ 7405.705805][ T7704] __sys_sendmsg+0xcd/0x170 [ 7405.705805][ T7704] do_syscall_64+0xc6/0x1e0 [ 7405.705805][ T7704] [ 7405.708006][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7405.708006][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7405.708006][ T7704] ipv6_find_idev+0x102/0x170 [ 7405.708006][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7405.708006][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7405.708006][ T7704] netlink_rcv_skb+0x130/0x360 [ 7405.708006][ T7704] netlink_unicast+0x449/0x710 [ 7405.708006][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7405.708006][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7405.708006][ T7704] ___sys_sendmsg+0xee/0x170 [ 7405.708006][ T7704] __sys_sendmsg+0xcd/0x170 [ 7405.708006][ T7704] do_syscall_64+0xc6/0x1e0 [ 7405.708006][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7405.708006][ T7704] [ 7405.709732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7405.709732][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7405.709732][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7405.709732][ T7704] ipv6_find_idev+0x102/0x170 [ 7405.709732][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7405.709732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7405.709732][ T7704] netlink_rcv_skb+0x130/0x360 [ 7405.709732][ T7704] netlink_unicast+0x449/0x710 [ 7405.709732][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7405.709732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7405.709732][ T7704] ___sys_sendmsg+0xee/0x170 [ 7405.709732][ T7704] __sys_sendmsg+0xcd/0x170 [ 7405.709732][ T7704] do_syscall_64+0xc6/0x1e0 [ 7405.709732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7405.709732][ T7704] [ 7415.956826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7415.957287][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7415.957287][ T7704] netdev_get_by_index+0x5e/0x80 [ 7415.957287][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7415.957287][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7415.957287][ T7704] ip6_route_add+0x1c/0x140 [ 7415.957287][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7415.957287][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7415.957287][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7415.957287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7415.957287][ T7704] netlink_rcv_skb+0x130/0x360 [ 7415.957287][ T7704] netlink_unicast+0x449/0x710 [ 7415.957287][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7415.957287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7415.957287][ T7704] ___sys_sendmsg+0xee/0x170 [ 7415.957287][ T7704] __sys_sendmsg+0xcd/0x170 [ 7415.957287][ T7704] do_syscall_64+0xc6/0x1e0 [ 7415.957287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7415.957287][ T7704] [ 7415.959526][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7415.959526][ T7704] netdev_get_by_index+0x5e/0x80 [ 7415.959526][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7415.959526][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7415.959526][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7415.959526][ T7704] ipv6_add_addr+0x411/0x2000 [ 7415.959526][ T7704] inet6_addr_add+0x30e/0xa40 [ 7415.959526][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7415.959526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7415.959526][ T7704] netlink_rcv_skb+0x130/0x360 [ 7415.959526][ T7704] netlink_unicast+0x449/0x710 [ 7415.959526][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7415.959526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7415.959526][ T7704] ___sys_sendmsg+0xee/0x170 [ 7415.959526][ T7704] __sys_sendmsg+0xcd/0x170 [ 7415.959526][ T7704] do_syscall_64+0xc6/0x1e0 [ 7415.959526][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7415.959526][ T7704] [ 7415.961667][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7415.961667][ T7704] netdev_get_by_index+0x5e/0x80 [ 7415.961667][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7415.961667][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7415.961667][ T7704] ip6_route_add+0x1c/0x140 [ 7415.961667][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7415.961667][ T7704] addrconf_add_dev+0xe2/0x170 [ 7415.961667][ T7704] inet6_addr_add+0x12f/0xa40 [ 7415.961667][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7415.961667][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7415.961667][ T7704] netlink_rcv_skb+0x130/0x360 [ 7415.961667][ T7704] netlink_unicast+0x449/0x710 [ 7415.961667][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7415.961667][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7415.961667][ T7704] ___sys_sendmsg+0xee/0x170 [ 7415.961667][ T7704] __sys_sendmsg+0xcd/0x170 [ 7415.961667][ T7704] do_syscall_64+0xc6/0x1e0 [ 7415.961667][ T7704] [ 7415.963833][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7415.963833][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7415.963833][ T7704] ipv6_find_idev+0x102/0x170 [ 7415.963833][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7415.963833][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7415.963833][ T7704] netlink_rcv_skb+0x130/0x360 [ 7415.963833][ T7704] netlink_unicast+0x449/0x710 [ 7415.963833][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7415.963833][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7415.963833][ T7704] ___sys_sendmsg+0xee/0x170 [ 7415.963833][ T7704] __sys_sendmsg+0xcd/0x170 [ 7415.963833][ T7704] do_syscall_64+0xc6/0x1e0 [ 7415.963833][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7415.963833][ T7704] [ 7415.965478][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7415.965478][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7415.965478][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7415.965478][ T7704] ipv6_find_idev+0x102/0x170 [ 7415.965478][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7415.965478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7415.965478][ T7704] netlink_rcv_skb+0x130/0x360 [ 7415.965478][ T7704] netlink_unicast+0x449/0x710 [ 7415.965478][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7415.965478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7415.965478][ T7704] ___sys_sendmsg+0xee/0x170 [ 7415.965478][ T7704] __sys_sendmsg+0xcd/0x170 [ 7415.965478][ T7704] do_syscall_64+0xc6/0x1e0 [ 7415.965478][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7415.965478][ T7704] [ 7426.212794][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7426.213273][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7426.213273][ T7704] netdev_get_by_index+0x5e/0x80 [ 7426.213273][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7426.213273][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7426.213273][ T7704] ip6_route_add+0x1c/0x140 [ 7426.213273][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7426.213273][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7426.213273][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7426.213273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7426.213273][ T7704] netlink_rcv_skb+0x130/0x360 [ 7426.213273][ T7704] netlink_unicast+0x449/0x710 [ 7426.213273][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7426.213273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7426.213273][ T7704] ___sys_sendmsg+0xee/0x170 [ 7426.213273][ T7704] __sys_sendmsg+0xcd/0x170 [ 7426.213273][ T7704] do_syscall_64+0xc6/0x1e0 [ 7426.213273][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7426.213273][ T7704] [ 7426.215510][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7426.215510][ T7704] netdev_get_by_index+0x5e/0x80 [ 7426.215510][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7426.215510][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7426.215510][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7426.215510][ T7704] ipv6_add_addr+0x411/0x2000 [ 7426.215510][ T7704] inet6_addr_add+0x30e/0xa40 [ 7426.215510][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7426.215510][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7426.215510][ T7704] netlink_rcv_skb+0x130/0x360 [ 7426.215510][ T7704] netlink_unicast+0x449/0x710 [ 7426.215510][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7426.215510][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7426.215510][ T7704] ___sys_sendmsg+0xee/0x170 [ 7426.215510][ T7704] __sys_sendmsg+0xcd/0x170 [ 7426.215510][ T7704] do_syscall_64+0xc6/0x1e0 [ 7426.215510][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7426.215510][ T7704] [ 7426.217764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7426.217764][ T7704] netdev_get_by_index+0x5e/0x80 [ 7426.217764][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7426.217764][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7426.217764][ T7704] ip6_route_add+0x1c/0x140 [ 7426.217764][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7426.217764][ T7704] addrconf_add_dev+0xe2/0x170 [ 7426.217764][ T7704] inet6_addr_add+0x12f/0xa40 [ 7426.217764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7426.217764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7426.217764][ T7704] netlink_rcv_skb+0x130/0x360 [ 7426.217764][ T7704] netlink_unicast+0x449/0x710 [ 7426.217764][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7426.217764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7426.217764][ T7704] ___sys_sendmsg+0xee/0x170 [ 7426.217764][ T7704] __sys_sendmsg+0xcd/0x170 [ 7426.217764][ T7704] do_syscall_64+0xc6/0x1e0 [ 7426.217764][ T7704] [ 7426.219868][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7426.219868][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7426.219868][ T7704] ipv6_find_idev+0x102/0x170 [ 7426.219868][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7426.219868][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7426.219868][ T7704] netlink_rcv_skb+0x130/0x360 [ 7426.219868][ T7704] netlink_unicast+0x449/0x710 [ 7426.219868][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7426.219868][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7426.219868][ T7704] ___sys_sendmsg+0xee/0x170 [ 7426.219868][ T7704] __sys_sendmsg+0xcd/0x170 [ 7426.219868][ T7704] do_syscall_64+0xc6/0x1e0 [ 7426.219868][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7426.219868][ T7704] [ 7426.221551][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7426.221551][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7426.221551][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7426.221551][ T7704] ipv6_find_idev+0x102/0x170 [ 7426.221551][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7426.221551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7426.221551][ T7704] netlink_rcv_skb+0x130/0x360 [ 7426.221551][ T7704] netlink_unicast+0x449/0x710 [ 7426.221551][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7426.221551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7426.221551][ T7704] ___sys_sendmsg+0xee/0x170 [ 7426.221551][ T7704] __sys_sendmsg+0xcd/0x170 [ 7426.221551][ T7704] do_syscall_64+0xc6/0x1e0 [ 7426.221551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7426.221551][ T7704] [ 7436.468805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7436.469288][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7436.469288][ T7704] netdev_get_by_index+0x5e/0x80 [ 7436.469288][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7436.469288][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7436.469288][ T7704] ip6_route_add+0x1c/0x140 [ 7436.469288][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7436.469288][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7436.469288][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7436.469288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7436.469288][ T7704] netlink_rcv_skb+0x130/0x360 [ 7436.469288][ T7704] netlink_unicast+0x449/0x710 [ 7436.469288][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7436.469288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7436.469288][ T7704] ___sys_sendmsg+0xee/0x170 [ 7436.469288][ T7704] __sys_sendmsg+0xcd/0x170 [ 7436.469288][ T7704] do_syscall_64+0xc6/0x1e0 [ 7436.469288][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7436.469288][ T7704] [ 7436.471518][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7436.471518][ T7704] netdev_get_by_index+0x5e/0x80 [ 7436.471518][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7436.471518][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7436.471518][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7436.471518][ T7704] ipv6_add_addr+0x411/0x2000 [ 7436.471518][ T7704] inet6_addr_add+0x30e/0xa40 [ 7436.471518][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7436.471518][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7436.471518][ T7704] netlink_rcv_skb+0x130/0x360 [ 7436.471518][ T7704] netlink_unicast+0x449/0x710 [ 7436.471518][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7436.471518][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7436.471518][ T7704] ___sys_sendmsg+0xee/0x170 [ 7436.471518][ T7704] __sys_sendmsg+0xcd/0x170 [ 7436.471518][ T7704] do_syscall_64+0xc6/0x1e0 [ 7436.471518][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7436.471518][ T7704] [ 7436.474263][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7436.474263][ T7704] netdev_get_by_index+0x5e/0x80 [ 7436.474263][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7436.474263][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7436.474263][ T7704] ip6_route_add+0x1c/0x140 [ 7436.474263][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7436.474263][ T7704] addrconf_add_dev+0xe2/0x170 [ 7436.474263][ T7704] inet6_addr_add+0x12f/0xa40 [ 7436.474263][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7436.474263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7436.474263][ T7704] netlink_rcv_skb+0x130/0x360 [ 7436.474263][ T7704] netlink_unicast+0x449/0x710 [ 7436.474263][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7436.474263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7436.474263][ T7704] ___sys_sendmsg+0xee/0x170 [ 7436.474263][ T7704] __sys_sendmsg+0xcd/0x170 [ 7436.474263][ T7704] do_syscall_64+0xc6/0x1e0 [ 7436.474263][ T7704] [ 7436.476440][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7436.476440][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7436.476440][ T7704] ipv6_find_idev+0x102/0x170 [ 7436.476440][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7436.476440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7436.476440][ T7704] netlink_rcv_skb+0x130/0x360 [ 7436.476440][ T7704] netlink_unicast+0x449/0x710 [ 7436.476440][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7436.476440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7436.476440][ T7704] ___sys_sendmsg+0xee/0x170 [ 7436.476440][ T7704] __sys_sendmsg+0xcd/0x170 [ 7436.476440][ T7704] do_syscall_64+0xc6/0x1e0 [ 7436.476440][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7436.476440][ T7704] [ 7436.478143][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7436.478143][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7436.478143][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7436.478143][ T7704] ipv6_find_idev+0x102/0x170 [ 7436.478143][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7436.478143][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7436.478143][ T7704] netlink_rcv_skb+0x130/0x360 [ 7436.478143][ T7704] netlink_unicast+0x449/0x710 [ 7436.478143][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7436.478143][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7436.478143][ T7704] ___sys_sendmsg+0xee/0x170 [ 7436.478143][ T7704] __sys_sendmsg+0xcd/0x170 [ 7436.478143][ T7704] do_syscall_64+0xc6/0x1e0 [ 7436.478143][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7436.478143][ T7704] [ 7446.684801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7446.685257][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7446.685257][ T7704] netdev_get_by_index+0x5e/0x80 [ 7446.685257][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7446.685257][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7446.685257][ T7704] ip6_route_add+0x1c/0x140 [ 7446.685257][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7446.685257][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7446.685257][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7446.685257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7446.685257][ T7704] netlink_rcv_skb+0x130/0x360 [ 7446.685257][ T7704] netlink_unicast+0x449/0x710 [ 7446.685257][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7446.685257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7446.685257][ T7704] ___sys_sendmsg+0xee/0x170 [ 7446.685257][ T7704] __sys_sendmsg+0xcd/0x170 [ 7446.685257][ T7704] do_syscall_64+0xc6/0x1e0 [ 7446.685257][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7446.685257][ T7704] [ 7446.687508][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7446.687508][ T7704] netdev_get_by_index+0x5e/0x80 [ 7446.687508][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7446.687508][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7446.687508][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7446.687508][ T7704] ipv6_add_addr+0x411/0x2000 [ 7446.687508][ T7704] inet6_addr_add+0x30e/0xa40 [ 7446.687508][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7446.687508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7446.687508][ T7704] netlink_rcv_skb+0x130/0x360 [ 7446.687508][ T7704] netlink_unicast+0x449/0x710 [ 7446.687508][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7446.687508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7446.687508][ T7704] ___sys_sendmsg+0xee/0x170 [ 7446.687508][ T7704] __sys_sendmsg+0xcd/0x170 [ 7446.687508][ T7704] do_syscall_64+0xc6/0x1e0 [ 7446.687508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7446.687508][ T7704] [ 7446.689711][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7446.689711][ T7704] netdev_get_by_index+0x5e/0x80 [ 7446.689711][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7446.689711][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7446.689711][ T7704] ip6_route_add+0x1c/0x140 [ 7446.689711][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7446.689711][ T7704] addrconf_add_dev+0xe2/0x170 [ 7446.689711][ T7704] inet6_addr_add+0x12f/0xa40 [ 7446.689711][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7446.689711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7446.689711][ T7704] netlink_rcv_skb+0x130/0x360 [ 7446.689711][ T7704] netlink_unicast+0x449/0x710 [ 7446.689711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7446.689711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7446.689711][ T7704] ___sys_sendmsg+0xee/0x170 [ 7446.689711][ T7704] __sys_sendmsg+0xcd/0x170 [ 7446.689711][ T7704] do_syscall_64+0xc6/0x1e0 [ 7446.689711][ T7704] [ 7446.691882][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7446.691882][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7446.691882][ T7704] ipv6_find_idev+0x102/0x170 [ 7446.691882][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7446.691882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7446.691882][ T7704] netlink_rcv_skb+0x130/0x360 [ 7446.691882][ T7704] netlink_unicast+0x449/0x710 [ 7446.691882][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7446.691882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7446.691882][ T7704] ___sys_sendmsg+0xee/0x170 [ 7446.691882][ T7704] __sys_sendmsg+0xcd/0x170 [ 7446.691882][ T7704] do_syscall_64+0xc6/0x1e0 [ 7446.691882][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7446.691882][ T7704] [ 7446.693579][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7446.693579][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7446.693579][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7446.693579][ T7704] ipv6_find_idev+0x102/0x170 [ 7446.693579][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7446.693579][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7446.693579][ T7704] netlink_rcv_skb+0x130/0x360 [ 7446.693579][ T7704] netlink_unicast+0x449/0x710 [ 7446.693579][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7446.693579][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7446.693579][ T7704] ___sys_sendmsg+0xee/0x170 [ 7446.693579][ T7704] __sys_sendmsg+0xcd/0x170 [ 7446.693579][ T7704] do_syscall_64+0xc6/0x1e0 [ 7446.693579][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7446.693579][ T7704] [ 7456.908757][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7456.909255][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7456.909255][ T7704] netdev_get_by_index+0x5e/0x80 [ 7456.909255][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7456.909255][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7456.909255][ T7704] ip6_route_add+0x1c/0x140 [ 7456.909255][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7456.909255][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7456.909255][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7456.909255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7456.909255][ T7704] netlink_rcv_skb+0x130/0x360 [ 7456.909255][ T7704] netlink_unicast+0x449/0x710 [ 7456.909255][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7456.909255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7456.909255][ T7704] ___sys_sendmsg+0xee/0x170 [ 7456.909255][ T7704] __sys_sendmsg+0xcd/0x170 [ 7456.909255][ T7704] do_syscall_64+0xc6/0x1e0 [ 7456.909255][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7456.909255][ T7704] [ 7456.911491][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7456.911491][ T7704] netdev_get_by_index+0x5e/0x80 [ 7456.911491][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7456.911491][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7456.911491][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7456.911491][ T7704] ipv6_add_addr+0x411/0x2000 [ 7456.911491][ T7704] inet6_addr_add+0x30e/0xa40 [ 7456.911491][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7456.911491][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7456.911491][ T7704] netlink_rcv_skb+0x130/0x360 [ 7456.911491][ T7704] netlink_unicast+0x449/0x710 [ 7456.911491][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7456.911491][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7456.911491][ T7704] ___sys_sendmsg+0xee/0x170 [ 7456.911491][ T7704] __sys_sendmsg+0xcd/0x170 [ 7456.911491][ T7704] do_syscall_64+0xc6/0x1e0 [ 7456.911491][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7456.911491][ T7704] [ 7456.913694][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7456.913694][ T7704] netdev_get_by_index+0x5e/0x80 [ 7456.913694][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7456.913694][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7456.913694][ T7704] ip6_route_add+0x1c/0x140 [ 7456.913694][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7456.913694][ T7704] addrconf_add_dev+0xe2/0x170 [ 7456.913694][ T7704] inet6_addr_add+0x12f/0xa40 [ 7456.913694][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7456.913694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7456.913694][ T7704] netlink_rcv_skb+0x130/0x360 [ 7456.913694][ T7704] netlink_unicast+0x449/0x710 [ 7456.913694][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7456.913694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7456.913694][ T7704] ___sys_sendmsg+0xee/0x170 [ 7456.913694][ T7704] __sys_sendmsg+0xcd/0x170 [ 7456.913694][ T7704] do_syscall_64+0xc6/0x1e0 [ 7456.913694][ T7704] [ 7456.915868][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7456.915868][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7456.915868][ T7704] ipv6_find_idev+0x102/0x170 [ 7456.915868][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7456.915868][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7456.915868][ T7704] netlink_rcv_skb+0x130/0x360 [ 7456.915868][ T7704] netlink_unicast+0x449/0x710 [ 7456.915868][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7456.915868][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7456.915868][ T7704] ___sys_sendmsg+0xee/0x170 [ 7456.915868][ T7704] __sys_sendmsg+0xcd/0x170 [ 7456.915868][ T7704] do_syscall_64+0xc6/0x1e0 [ 7456.915868][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7456.915868][ T7704] [ 7456.917576][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7456.917576][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7456.917576][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7456.917576][ T7704] ipv6_find_idev+0x102/0x170 [ 7456.917576][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7456.917576][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7456.917576][ T7704] netlink_rcv_skb+0x130/0x360 [ 7456.917576][ T7704] netlink_unicast+0x449/0x710 [ 7456.917576][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7456.917576][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7456.917576][ T7704] ___sys_sendmsg+0xee/0x170 [ 7456.917576][ T7704] __sys_sendmsg+0xcd/0x170 [ 7456.917576][ T7704] do_syscall_64+0xc6/0x1e0 [ 7456.917576][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7456.917576][ T7704] [ 7467.116768][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7467.117261][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7467.117261][ T7704] netdev_get_by_index+0x5e/0x80 [ 7467.117261][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7467.117261][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7467.117261][ T7704] ip6_route_add+0x1c/0x140 [ 7467.117261][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7467.117261][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7467.117261][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7467.117261][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7467.117261][ T7704] netlink_rcv_skb+0x130/0x360 [ 7467.117261][ T7704] netlink_unicast+0x449/0x710 [ 7467.117261][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7467.117261][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7467.117261][ T7704] ___sys_sendmsg+0xee/0x170 [ 7467.117261][ T7704] __sys_sendmsg+0xcd/0x170 [ 7467.117261][ T7704] do_syscall_64+0xc6/0x1e0 [ 7467.117261][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7467.117261][ T7704] [ 7467.119642][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7467.119642][ T7704] netdev_get_by_index+0x5e/0x80 [ 7467.119642][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7467.119642][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7467.119642][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7467.119642][ T7704] ipv6_add_addr+0x411/0x2000 [ 7467.119642][ T7704] inet6_addr_add+0x30e/0xa40 [ 7467.119642][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7467.119642][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7467.119642][ T7704] netlink_rcv_skb+0x130/0x360 [ 7467.119642][ T7704] netlink_unicast+0x449/0x710 [ 7467.119642][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7467.119642][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7467.119642][ T7704] ___sys_sendmsg+0xee/0x170 [ 7467.119642][ T7704] __sys_sendmsg+0xcd/0x170 [ 7467.119642][ T7704] do_syscall_64+0xc6/0x1e0 [ 7467.119642][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7467.119642][ T7704] [ 7467.121916][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7467.121916][ T7704] netdev_get_by_index+0x5e/0x80 [ 7467.121916][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7467.121916][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7467.121916][ T7704] ip6_route_add+0x1c/0x140 [ 7467.121916][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7467.121916][ T7704] addrconf_add_dev+0xe2/0x170 [ 7467.121916][ T7704] inet6_addr_add+0x12f/0xa40 [ 7467.121916][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7467.121916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7467.121916][ T7704] netlink_rcv_skb+0x130/0x360 [ 7467.121916][ T7704] netlink_unicast+0x449/0x710 [ 7467.121916][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7467.121916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7467.121916][ T7704] ___sys_sendmsg+0xee/0x170 [ 7467.121916][ T7704] __sys_sendmsg+0xcd/0x170 [ 7467.121916][ T7704] do_syscall_64+0xc6/0x1e0 [ 7467.121916][ T7704] [ 7467.124158][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7467.124158][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7467.124158][ T7704] ipv6_find_idev+0x102/0x170 [ 7467.124158][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7467.124158][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7467.124158][ T7704] netlink_rcv_skb+0x130/0x360 [ 7467.124158][ T7704] netlink_unicast+0x449/0x710 [ 7467.124158][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7467.124158][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7467.124158][ T7704] ___sys_sendmsg+0xee/0x170 [ 7467.124158][ T7704] __sys_sendmsg+0xcd/0x170 [ 7467.124158][ T7704] do_syscall_64+0xc6/0x1e0 [ 7467.124158][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7467.124158][ T7704] [ 7467.125978][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7467.125978][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7467.125978][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7467.125978][ T7704] ipv6_find_idev+0x102/0x170 [ 7467.125978][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7467.125978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7467.125978][ T7704] netlink_rcv_skb+0x130/0x360 [ 7467.125978][ T7704] netlink_unicast+0x449/0x710 [ 7467.125978][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7467.125978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7467.125978][ T7704] ___sys_sendmsg+0xee/0x170 [ 7467.125978][ T7704] __sys_sendmsg+0xcd/0x170 [ 7467.125978][ T7704] do_syscall_64+0xc6/0x1e0 [ 7467.125978][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7467.125978][ T7704] [ 7477.364817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7477.365297][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7477.365297][ T7704] netdev_get_by_index+0x5e/0x80 [ 7477.365297][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7477.365297][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7477.365297][ T7704] ip6_route_add+0x1c/0x140 [ 7477.365297][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7477.365297][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7477.365297][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7477.365297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7477.365297][ T7704] netlink_rcv_skb+0x130/0x360 [ 7477.365297][ T7704] netlink_unicast+0x449/0x710 [ 7477.365297][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7477.365297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7477.365297][ T7704] ___sys_sendmsg+0xee/0x170 [ 7477.365297][ T7704] __sys_sendmsg+0xcd/0x170 [ 7477.365297][ T7704] do_syscall_64+0xc6/0x1e0 [ 7477.365297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7477.365297][ T7704] [ 7477.367525][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7477.367525][ T7704] netdev_get_by_index+0x5e/0x80 [ 7477.367525][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7477.367525][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7477.367525][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7477.367525][ T7704] ipv6_add_addr+0x411/0x2000 [ 7477.367525][ T7704] inet6_addr_add+0x30e/0xa40 [ 7477.367525][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7477.367525][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7477.367525][ T7704] netlink_rcv_skb+0x130/0x360 [ 7477.367525][ T7704] netlink_unicast+0x449/0x710 [ 7477.367525][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7477.367525][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7477.367525][ T7704] ___sys_sendmsg+0xee/0x170 [ 7477.367525][ T7704] __sys_sendmsg+0xcd/0x170 [ 7477.367525][ T7704] do_syscall_64+0xc6/0x1e0 [ 7477.367525][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7477.367525][ T7704] [ 7477.369780][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7477.369780][ T7704] netdev_get_by_index+0x5e/0x80 [ 7477.369780][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7477.369780][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7477.369780][ T7704] ip6_route_add+0x1c/0x140 [ 7477.369780][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7477.369780][ T7704] addrconf_add_dev+0xe2/0x170 [ 7477.369780][ T7704] inet6_addr_add+0x12f/0xa40 [ 7477.369780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7477.369780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7477.369780][ T7704] netlink_rcv_skb+0x130/0x360 [ 7477.369780][ T7704] netlink_unicast+0x449/0x710 [ 7477.369780][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7477.369780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7477.369780][ T7704] ___sys_sendmsg+0xee/0x170 [ 7477.369780][ T7704] __sys_sendmsg+0xcd/0x170 [ 7477.369780][ T7704] do_syscall_64+0xc6/0x1e0 [ 7477.369780][ T7704] [ 7477.371950][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7477.371950][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7477.371950][ T7704] ipv6_find_idev+0x102/0x170 [ 7477.371950][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7477.371950][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7477.371950][ T7704] netlink_rcv_skb+0x130/0x360 [ 7477.371950][ T7704] netlink_unicast+0x449/0x710 [ 7477.371950][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7477.371950][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7477.371950][ T7704] ___sys_sendmsg+0xee/0x170 [ 7477.371950][ T7704] __sys_sendmsg+0xcd/0x170 [ 7477.371950][ T7704] do_syscall_64+0xc6/0x1e0 [ 7477.371950][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7477.371950][ T7704] [ 7477.373643][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7477.373643][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7477.373643][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7477.373643][ T7704] ipv6_find_idev+0x102/0x170 [ 7477.373643][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7477.373643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7477.373643][ T7704] netlink_rcv_skb+0x130/0x360 [ 7477.373643][ T7704] netlink_unicast+0x449/0x710 [ 7477.373643][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7477.373643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7477.373643][ T7704] ___sys_sendmsg+0xee/0x170 [ 7477.373643][ T7704] __sys_sendmsg+0xcd/0x170 [ 7477.373643][ T7704] do_syscall_64+0xc6/0x1e0 [ 7477.373643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7477.373643][ T7704] [ 7487.612810][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7487.613285][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7487.613285][ T7704] netdev_get_by_index+0x5e/0x80 [ 7487.613285][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7487.613285][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7487.613285][ T7704] ip6_route_add+0x1c/0x140 [ 7487.613285][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7487.613285][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7487.613285][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7487.613285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7487.613285][ T7704] netlink_rcv_skb+0x130/0x360 [ 7487.613285][ T7704] netlink_unicast+0x449/0x710 [ 7487.613285][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7487.613285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7487.613285][ T7704] ___sys_sendmsg+0xee/0x170 [ 7487.613285][ T7704] __sys_sendmsg+0xcd/0x170 [ 7487.613285][ T7704] do_syscall_64+0xc6/0x1e0 [ 7487.613285][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7487.613285][ T7704] [ 7487.615518][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7487.615518][ T7704] netdev_get_by_index+0x5e/0x80 [ 7487.615518][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7487.615518][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7487.615518][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7487.615518][ T7704] ipv6_add_addr+0x411/0x2000 [ 7487.615518][ T7704] inet6_addr_add+0x30e/0xa40 [ 7487.615518][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7487.615518][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7487.615518][ T7704] netlink_rcv_skb+0x130/0x360 [ 7487.615518][ T7704] netlink_unicast+0x449/0x710 [ 7487.615518][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7487.615518][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7487.615518][ T7704] ___sys_sendmsg+0xee/0x170 [ 7487.615518][ T7704] __sys_sendmsg+0xcd/0x170 [ 7487.615518][ T7704] do_syscall_64+0xc6/0x1e0 [ 7487.615518][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7487.615518][ T7704] [ 7487.617751][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7487.617751][ T7704] netdev_get_by_index+0x5e/0x80 [ 7487.617751][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7487.617751][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7487.617751][ T7704] ip6_route_add+0x1c/0x140 [ 7487.617751][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7487.617751][ T7704] addrconf_add_dev+0xe2/0x170 [ 7487.617751][ T7704] inet6_addr_add+0x12f/0xa40 [ 7487.617751][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7487.617751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7487.617751][ T7704] netlink_rcv_skb+0x130/0x360 [ 7487.617751][ T7704] netlink_unicast+0x449/0x710 [ 7487.617751][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7487.617751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7487.617751][ T7704] ___sys_sendmsg+0xee/0x170 [ 7487.617751][ T7704] __sys_sendmsg+0xcd/0x170 [ 7487.617751][ T7704] do_syscall_64+0xc6/0x1e0 [ 7487.617751][ T7704] [ 7487.619923][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7487.619923][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7487.619923][ T7704] ipv6_find_idev+0x102/0x170 [ 7487.619923][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7487.619923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7487.619923][ T7704] netlink_rcv_skb+0x130/0x360 [ 7487.619923][ T7704] netlink_unicast+0x449/0x710 [ 7487.619923][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7487.619923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7487.619923][ T7704] ___sys_sendmsg+0xee/0x170 [ 7487.619923][ T7704] __sys_sendmsg+0xcd/0x170 [ 7487.619923][ T7704] do_syscall_64+0xc6/0x1e0 [ 7487.619923][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7487.619923][ T7704] [ 7487.621638][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7487.621638][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7487.621638][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7487.621638][ T7704] ipv6_find_idev+0x102/0x170 [ 7487.621638][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7487.621638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7487.621638][ T7704] netlink_rcv_skb+0x130/0x360 [ 7487.621638][ T7704] netlink_unicast+0x449/0x710 [ 7487.621638][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7487.621638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7487.621638][ T7704] ___sys_sendmsg+0xee/0x170 [ 7487.621638][ T7704] __sys_sendmsg+0xcd/0x170 [ 7487.621638][ T7704] do_syscall_64+0xc6/0x1e0 [ 7487.621638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7487.621638][ T7704] [ 7497.860760][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7497.861166][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7497.861166][ T7704] netdev_get_by_index+0x5e/0x80 [ 7497.861166][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7497.861166][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7497.861166][ T7704] ip6_route_add+0x1c/0x140 [ 7497.861166][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7497.861166][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7497.861166][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7497.861166][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7497.861166][ T7704] netlink_rcv_skb+0x130/0x360 [ 7497.861166][ T7704] netlink_unicast+0x449/0x710 [ 7497.861166][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7497.861166][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7497.861166][ T7704] ___sys_sendmsg+0xee/0x170 [ 7497.861166][ T7704] __sys_sendmsg+0xcd/0x170 [ 7497.861166][ T7704] do_syscall_64+0xc6/0x1e0 [ 7497.861166][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7497.861166][ T7704] [ 7497.863503][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7497.863503][ T7704] netdev_get_by_index+0x5e/0x80 [ 7497.863503][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7497.863503][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7497.863503][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7497.863503][ T7704] ipv6_add_addr+0x411/0x2000 [ 7497.863503][ T7704] inet6_addr_add+0x30e/0xa40 [ 7497.863503][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7497.863503][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7497.863503][ T7704] netlink_rcv_skb+0x130/0x360 [ 7497.863503][ T7704] netlink_unicast+0x449/0x710 [ 7497.863503][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7497.863503][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7497.863503][ T7704] ___sys_sendmsg+0xee/0x170 [ 7497.863503][ T7704] __sys_sendmsg+0xcd/0x170 [ 7497.863503][ T7704] do_syscall_64+0xc6/0x1e0 [ 7497.863503][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7497.863503][ T7704] [ 7497.865761][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7497.865761][ T7704] netdev_get_by_index+0x5e/0x80 [ 7497.865761][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7497.865761][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7497.865761][ T7704] ip6_route_add+0x1c/0x140 [ 7497.865761][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7497.865761][ T7704] addrconf_add_dev+0xe2/0x170 [ 7497.865761][ T7704] inet6_addr_add+0x12f/0xa40 [ 7497.865761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7497.865761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7497.865761][ T7704] netlink_rcv_skb+0x130/0x360 [ 7497.865761][ T7704] netlink_unicast+0x449/0x710 [ 7497.865761][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7497.865761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7497.865761][ T7704] ___sys_sendmsg+0xee/0x170 [ 7497.865761][ T7704] __sys_sendmsg+0xcd/0x170 [ 7497.865761][ T7704] do_syscall_64+0xc6/0x1e0 [ 7497.865761][ T7704] [ 7497.868003][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7497.868003][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7497.868003][ T7704] ipv6_find_idev+0x102/0x170 [ 7497.868003][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7497.868003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7497.868003][ T7704] netlink_rcv_skb+0x130/0x360 [ 7497.868003][ T7704] netlink_unicast+0x449/0x710 [ 7497.868003][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7497.868003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7497.868003][ T7704] ___sys_sendmsg+0xee/0x170 [ 7497.868003][ T7704] __sys_sendmsg+0xcd/0x170 [ 7497.868003][ T7704] do_syscall_64+0xc6/0x1e0 [ 7497.868003][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7497.868003][ T7704] [ 7497.869738][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7497.869738][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7497.869738][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7497.869738][ T7704] ipv6_find_idev+0x102/0x170 [ 7497.869738][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7497.869738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7497.869738][ T7704] netlink_rcv_skb+0x130/0x360 [ 7497.869738][ T7704] netlink_unicast+0x449/0x710 [ 7497.869738][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7497.869738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7497.869738][ T7704] ___sys_sendmsg+0xee/0x170 [ 7497.869738][ T7704] __sys_sendmsg+0xcd/0x170 [ 7497.869738][ T7704] do_syscall_64+0xc6/0x1e0 [ 7497.869738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7497.869738][ T7704] [ 7508.108756][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7508.109249][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7508.109249][ T7704] netdev_get_by_index+0x5e/0x80 [ 7508.109249][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7508.109249][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7508.109249][ T7704] ip6_route_add+0x1c/0x140 [ 7508.109249][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7508.109249][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7508.109249][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7508.109249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7508.109249][ T7704] netlink_rcv_skb+0x130/0x360 [ 7508.109249][ T7704] netlink_unicast+0x449/0x710 [ 7508.109249][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7508.109249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7508.109249][ T7704] ___sys_sendmsg+0xee/0x170 [ 7508.109249][ T7704] __sys_sendmsg+0xcd/0x170 [ 7508.109249][ T7704] do_syscall_64+0xc6/0x1e0 [ 7508.109249][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7508.109249][ T7704] [ 7508.111559][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7508.111559][ T7704] netdev_get_by_index+0x5e/0x80 [ 7508.111559][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7508.111559][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7508.111559][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7508.111559][ T7704] ipv6_add_addr+0x411/0x2000 [ 7508.111559][ T7704] inet6_addr_add+0x30e/0xa40 [ 7508.111559][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7508.111559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7508.111559][ T7704] netlink_rcv_skb+0x130/0x360 [ 7508.111559][ T7704] netlink_unicast+0x449/0x710 [ 7508.111559][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7508.111559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7508.111559][ T7704] ___sys_sendmsg+0xee/0x170 [ 7508.111559][ T7704] __sys_sendmsg+0xcd/0x170 [ 7508.111559][ T7704] do_syscall_64+0xc6/0x1e0 [ 7508.111559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7508.111559][ T7704] [ 7508.113906][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7508.113906][ T7704] netdev_get_by_index+0x5e/0x80 [ 7508.113906][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7508.113906][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7508.113906][ T7704] ip6_route_add+0x1c/0x140 [ 7508.113906][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7508.113906][ T7704] addrconf_add_dev+0xe2/0x170 [ 7508.113906][ T7704] inet6_addr_add+0x12f/0xa40 [ 7508.113906][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7508.113906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7508.113906][ T7704] netlink_rcv_skb+0x130/0x360 [ 7508.113906][ T7704] netlink_unicast+0x449/0x710 [ 7508.113906][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7508.113906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7508.113906][ T7704] ___sys_sendmsg+0xee/0x170 [ 7508.113906][ T7704] __sys_sendmsg+0xcd/0x170 [ 7508.113906][ T7704] do_syscall_64+0xc6/0x1e0 [ 7508.113906][ T7704] [ 7508.116225][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7508.116225][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7508.116225][ T7704] ipv6_find_idev+0x102/0x170 [ 7508.116225][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7508.116225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7508.116225][ T7704] netlink_rcv_skb+0x130/0x360 [ 7508.116225][ T7704] netlink_unicast+0x449/0x710 [ 7508.116225][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7508.116225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7508.116225][ T7704] ___sys_sendmsg+0xee/0x170 [ 7508.116225][ T7704] __sys_sendmsg+0xcd/0x170 [ 7508.116225][ T7704] do_syscall_64+0xc6/0x1e0 [ 7508.116225][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7508.116225][ T7704] [ 7508.118006][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7508.118006][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7508.118006][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7508.118006][ T7704] ipv6_find_idev+0x102/0x170 [ 7508.118006][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7508.118006][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7508.118006][ T7704] netlink_rcv_skb+0x130/0x360 [ 7508.118006][ T7704] netlink_unicast+0x449/0x710 [ 7508.118006][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7508.118006][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7508.118006][ T7704] ___sys_sendmsg+0xee/0x170 [ 7508.118006][ T7704] __sys_sendmsg+0xcd/0x170 [ 7508.118006][ T7704] do_syscall_64+0xc6/0x1e0 [ 7508.118006][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7508.118006][ T7704] [ 7518.356743][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7518.357169][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7518.357169][ T7704] netdev_get_by_index+0x5e/0x80 [ 7518.357169][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7518.357169][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7518.357169][ T7704] ip6_route_add+0x1c/0x140 [ 7518.357169][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7518.357169][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7518.357169][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7518.357169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7518.357169][ T7704] netlink_rcv_skb+0x130/0x360 [ 7518.357169][ T7704] netlink_unicast+0x449/0x710 [ 7518.357169][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7518.357169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7518.357169][ T7704] ___sys_sendmsg+0xee/0x170 [ 7518.357169][ T7704] __sys_sendmsg+0xcd/0x170 [ 7518.357169][ T7704] do_syscall_64+0xc6/0x1e0 [ 7518.357169][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7518.357169][ T7704] [ 7518.359422][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7518.359422][ T7704] netdev_get_by_index+0x5e/0x80 [ 7518.359422][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7518.359422][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7518.359422][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7518.359422][ T7704] ipv6_add_addr+0x411/0x2000 [ 7518.359422][ T7704] inet6_addr_add+0x30e/0xa40 [ 7518.359422][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7518.359422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7518.359422][ T7704] netlink_rcv_skb+0x130/0x360 [ 7518.359422][ T7704] netlink_unicast+0x449/0x710 [ 7518.359422][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7518.359422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7518.359422][ T7704] ___sys_sendmsg+0xee/0x170 [ 7518.359422][ T7704] __sys_sendmsg+0xcd/0x170 [ 7518.359422][ T7704] do_syscall_64+0xc6/0x1e0 [ 7518.359422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7518.359422][ T7704] [ 7518.361651][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7518.361651][ T7704] netdev_get_by_index+0x5e/0x80 [ 7518.361651][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7518.361651][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7518.361651][ T7704] ip6_route_add+0x1c/0x140 [ 7518.361651][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7518.361651][ T7704] addrconf_add_dev+0xe2/0x170 [ 7518.361651][ T7704] inet6_addr_add+0x12f/0xa40 [ 7518.361651][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7518.361651][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7518.361651][ T7704] netlink_rcv_skb+0x130/0x360 [ 7518.361651][ T7704] netlink_unicast+0x449/0x710 [ 7518.361651][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7518.361651][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7518.361651][ T7704] ___sys_sendmsg+0xee/0x170 [ 7518.361651][ T7704] __sys_sendmsg+0xcd/0x170 [ 7518.361651][ T7704] do_syscall_64+0xc6/0x1e0 [ 7518.361651][ T7704] [ 7518.363843][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7518.363843][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7518.363843][ T7704] ipv6_find_idev+0x102/0x170 [ 7518.363843][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7518.363843][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7518.363843][ T7704] netlink_rcv_skb+0x130/0x360 [ 7518.363843][ T7704] netlink_unicast+0x449/0x710 [ 7518.363843][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7518.363843][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7518.363843][ T7704] ___sys_sendmsg+0xee/0x170 [ 7518.363843][ T7704] __sys_sendmsg+0xcd/0x170 [ 7518.363843][ T7704] do_syscall_64+0xc6/0x1e0 [ 7518.363843][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7518.363843][ T7704] [ 7518.365550][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7518.365550][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7518.365550][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7518.365550][ T7704] ipv6_find_idev+0x102/0x170 [ 7518.365550][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7518.365550][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7518.365550][ T7704] netlink_rcv_skb+0x130/0x360 [ 7518.365550][ T7704] netlink_unicast+0x449/0x710 [ 7518.365550][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7518.365550][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7518.365550][ T7704] ___sys_sendmsg+0xee/0x170 [ 7518.365550][ T7704] __sys_sendmsg+0xcd/0x170 [ 7518.365550][ T7704] do_syscall_64+0xc6/0x1e0 [ 7518.365550][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7518.365550][ T7704] [ 7528.604837][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7528.605325][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7528.605325][ T7704] netdev_get_by_index+0x5e/0x80 [ 7528.605325][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7528.605325][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7528.605325][ T7704] ip6_route_add+0x1c/0x140 [ 7528.605325][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7528.605325][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7528.605325][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7528.605325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7528.605325][ T7704] netlink_rcv_skb+0x130/0x360 [ 7528.605325][ T7704] netlink_unicast+0x449/0x710 [ 7528.605325][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7528.605325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7528.605325][ T7704] ___sys_sendmsg+0xee/0x170 [ 7528.605325][ T7704] __sys_sendmsg+0xcd/0x170 [ 7528.605325][ T7704] do_syscall_64+0xc6/0x1e0 [ 7528.605325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7528.605325][ T7704] [ 7528.607604][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7528.607604][ T7704] netdev_get_by_index+0x5e/0x80 [ 7528.607604][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7528.607604][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7528.607604][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7528.607604][ T7704] ipv6_add_addr+0x411/0x2000 [ 7528.607604][ T7704] inet6_addr_add+0x30e/0xa40 [ 7528.607604][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7528.607604][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7528.607604][ T7704] netlink_rcv_skb+0x130/0x360 [ 7528.607604][ T7704] netlink_unicast+0x449/0x710 [ 7528.607604][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7528.607604][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7528.607604][ T7704] ___sys_sendmsg+0xee/0x170 [ 7528.607604][ T7704] __sys_sendmsg+0xcd/0x170 [ 7528.607604][ T7704] do_syscall_64+0xc6/0x1e0 [ 7528.607604][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7528.607604][ T7704] [ 7528.610346][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7528.610346][ T7704] netdev_get_by_index+0x5e/0x80 [ 7528.610346][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7528.610346][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7528.610346][ T7704] ip6_route_add+0x1c/0x140 [ 7528.610346][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7528.610346][ T7704] addrconf_add_dev+0xe2/0x170 [ 7528.610346][ T7704] inet6_addr_add+0x12f/0xa40 [ 7528.610346][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7528.610346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7528.610346][ T7704] netlink_rcv_skb+0x130/0x360 [ 7528.610346][ T7704] netlink_unicast+0x449/0x710 [ 7528.610346][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7528.610346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7528.610346][ T7704] ___sys_sendmsg+0xee/0x170 [ 7528.610346][ T7704] __sys_sendmsg+0xcd/0x170 [ 7528.610346][ T7704] do_syscall_64+0xc6/0x1e0 [ 7528.610346][ T7704] [ 7528.612543][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7528.612543][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7528.612543][ T7704] ipv6_find_idev+0x102/0x170 [ 7528.612543][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7528.612543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7528.612543][ T7704] netlink_rcv_skb+0x130/0x360 [ 7528.612543][ T7704] netlink_unicast+0x449/0x710 [ 7528.612543][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7528.612543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7528.612543][ T7704] ___sys_sendmsg+0xee/0x170 [ 7528.612543][ T7704] __sys_sendmsg+0xcd/0x170 [ 7528.612543][ T7704] do_syscall_64+0xc6/0x1e0 [ 7528.612543][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7528.612543][ T7704] [ 7528.614288][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7528.614288][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7528.614288][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7528.614288][ T7704] ipv6_find_idev+0x102/0x170 [ 7528.614288][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7528.614288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7528.614288][ T7704] netlink_rcv_skb+0x130/0x360 [ 7528.614288][ T7704] netlink_unicast+0x449/0x710 [ 7528.614288][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7528.614288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7528.614288][ T7704] ___sys_sendmsg+0xee/0x170 [ 7528.614288][ T7704] __sys_sendmsg+0xcd/0x170 [ 7528.614288][ T7704] do_syscall_64+0xc6/0x1e0 [ 7528.614288][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7528.614288][ T7704] [ 7538.852809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7538.853311][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7538.853311][ T7704] netdev_get_by_index+0x5e/0x80 [ 7538.853311][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7538.853311][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7538.853311][ T7704] ip6_route_add+0x1c/0x140 [ 7538.853311][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7538.853311][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7538.853311][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7538.853311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7538.853311][ T7704] netlink_rcv_skb+0x130/0x360 [ 7538.853311][ T7704] netlink_unicast+0x449/0x710 [ 7538.853311][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7538.853311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7538.853311][ T7704] ___sys_sendmsg+0xee/0x170 [ 7538.853311][ T7704] __sys_sendmsg+0xcd/0x170 [ 7538.853311][ T7704] do_syscall_64+0xc6/0x1e0 [ 7538.853311][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7538.853311][ T7704] [ 7538.855545][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7538.855545][ T7704] netdev_get_by_index+0x5e/0x80 [ 7538.855545][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7538.855545][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7538.855545][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7538.855545][ T7704] ipv6_add_addr+0x411/0x2000 [ 7538.855545][ T7704] inet6_addr_add+0x30e/0xa40 [ 7538.855545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7538.855545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7538.855545][ T7704] netlink_rcv_skb+0x130/0x360 [ 7538.855545][ T7704] netlink_unicast+0x449/0x710 [ 7538.855545][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7538.855545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7538.855545][ T7704] ___sys_sendmsg+0xee/0x170 [ 7538.855545][ T7704] __sys_sendmsg+0xcd/0x170 [ 7538.855545][ T7704] do_syscall_64+0xc6/0x1e0 [ 7538.855545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7538.855545][ T7704] [ 7538.857768][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7538.857768][ T7704] netdev_get_by_index+0x5e/0x80 [ 7538.857768][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7538.857768][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7538.857768][ T7704] ip6_route_add+0x1c/0x140 [ 7538.857768][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7538.857768][ T7704] addrconf_add_dev+0xe2/0x170 [ 7538.857768][ T7704] inet6_addr_add+0x12f/0xa40 [ 7538.857768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7538.857768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7538.857768][ T7704] netlink_rcv_skb+0x130/0x360 [ 7538.857768][ T7704] netlink_unicast+0x449/0x710 [ 7538.857768][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7538.857768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7538.857768][ T7704] ___sys_sendmsg+0xee/0x170 [ 7538.857768][ T7704] __sys_sendmsg+0xcd/0x170 [ 7538.857768][ T7704] do_syscall_64+0xc6/0x1e0 [ 7538.857768][ T7704] [ 7538.859948][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7538.859948][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7538.859948][ T7704] ipv6_find_idev+0x102/0x170 [ 7538.859948][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7538.859948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7538.859948][ T7704] netlink_rcv_skb+0x130/0x360 [ 7538.859948][ T7704] netlink_unicast+0x449/0x710 [ 7538.859948][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7538.859948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7538.859948][ T7704] ___sys_sendmsg+0xee/0x170 [ 7538.859948][ T7704] __sys_sendmsg+0xcd/0x170 [ 7538.859948][ T7704] do_syscall_64+0xc6/0x1e0 [ 7538.859948][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7538.859948][ T7704] [ 7538.861644][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7538.861644][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7538.861644][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7538.861644][ T7704] ipv6_find_idev+0x102/0x170 [ 7538.861644][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7538.861644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7538.861644][ T7704] netlink_rcv_skb+0x130/0x360 [ 7538.861644][ T7704] netlink_unicast+0x449/0x710 [ 7538.861644][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7538.861644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7538.861644][ T7704] ___sys_sendmsg+0xee/0x170 [ 7538.861644][ T7704] __sys_sendmsg+0xcd/0x170 [ 7538.861644][ T7704] do_syscall_64+0xc6/0x1e0 [ 7538.861644][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7538.861644][ T7704] [ 7549.100822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7549.101308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7549.101308][ T7704] netdev_get_by_index+0x5e/0x80 [ 7549.101308][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7549.101308][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7549.101308][ T7704] ip6_route_add+0x1c/0x140 [ 7549.101308][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7549.101308][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7549.101308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7549.101308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7549.101308][ T7704] netlink_rcv_skb+0x130/0x360 [ 7549.101308][ T7704] netlink_unicast+0x449/0x710 [ 7549.101308][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7549.101308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7549.101308][ T7704] ___sys_sendmsg+0xee/0x170 [ 7549.101308][ T7704] __sys_sendmsg+0xcd/0x170 [ 7549.101308][ T7704] do_syscall_64+0xc6/0x1e0 [ 7549.101308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7549.101308][ T7704] [ 7549.104040][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7549.104040][ T7704] netdev_get_by_index+0x5e/0x80 [ 7549.104040][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7549.104040][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7549.104040][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7549.104040][ T7704] ipv6_add_addr+0x411/0x2000 [ 7549.104040][ T7704] inet6_addr_add+0x30e/0xa40 [ 7549.104040][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7549.104040][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7549.104040][ T7704] netlink_rcv_skb+0x130/0x360 [ 7549.104040][ T7704] netlink_unicast+0x449/0x710 [ 7549.104040][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7549.104040][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7549.104040][ T7704] ___sys_sendmsg+0xee/0x170 [ 7549.104040][ T7704] __sys_sendmsg+0xcd/0x170 [ 7549.104040][ T7704] do_syscall_64+0xc6/0x1e0 [ 7549.104040][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7549.104040][ T7704] [ 7549.106274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7549.106274][ T7704] netdev_get_by_index+0x5e/0x80 [ 7549.106274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7549.106274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7549.106274][ T7704] ip6_route_add+0x1c/0x140 [ 7549.106274][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7549.106274][ T7704] addrconf_add_dev+0xe2/0x170 [ 7549.106274][ T7704] inet6_addr_add+0x12f/0xa40 [ 7549.106274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7549.106274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7549.106274][ T7704] netlink_rcv_skb+0x130/0x360 [ 7549.106274][ T7704] netlink_unicast+0x449/0x710 [ 7549.106274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7549.106274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7549.106274][ T7704] ___sys_sendmsg+0xee/0x170 [ 7549.106274][ T7704] __sys_sendmsg+0xcd/0x170 [ 7549.106274][ T7704] do_syscall_64+0xc6/0x1e0 [ 7549.106274][ T7704] [ 7549.108432][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7549.108432][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7549.108432][ T7704] ipv6_find_idev+0x102/0x170 [ 7549.108432][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7549.108432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7549.108432][ T7704] netlink_rcv_skb+0x130/0x360 [ 7549.108432][ T7704] netlink_unicast+0x449/0x710 [ 7549.108432][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7549.108432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7549.108432][ T7704] ___sys_sendmsg+0xee/0x170 [ 7549.108432][ T7704] __sys_sendmsg+0xcd/0x170 [ 7549.108432][ T7704] do_syscall_64+0xc6/0x1e0 [ 7549.108432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7549.108432][ T7704] [ 7549.110121][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7549.110121][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7549.110121][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7549.110121][ T7704] ipv6_find_idev+0x102/0x170 [ 7549.110121][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7549.110121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7549.110121][ T7704] netlink_rcv_skb+0x130/0x360 [ 7549.110121][ T7704] netlink_unicast+0x449/0x710 [ 7549.110121][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7549.110121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7549.110121][ T7704] ___sys_sendmsg+0xee/0x170 [ 7549.110121][ T7704] __sys_sendmsg+0xcd/0x170 [ 7549.110121][ T7704] do_syscall_64+0xc6/0x1e0 [ 7549.110121][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7549.110121][ T7704] [ 7559.212841][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7559.213307][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7559.213307][ T7704] netdev_get_by_index+0x5e/0x80 [ 7559.213307][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7559.213307][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7559.213307][ T7704] ip6_route_add+0x1c/0x140 [ 7559.213307][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7559.213307][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7559.213307][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7559.213307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7559.213307][ T7704] netlink_rcv_skb+0x130/0x360 [ 7559.213307][ T7704] netlink_unicast+0x449/0x710 [ 7559.213307][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7559.213307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7559.213307][ T7704] ___sys_sendmsg+0xee/0x170 [ 7559.213307][ T7704] __sys_sendmsg+0xcd/0x170 [ 7559.213307][ T7704] do_syscall_64+0xc6/0x1e0 [ 7559.213307][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7559.213307][ T7704] [ 7559.215565][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7559.215565][ T7704] netdev_get_by_index+0x5e/0x80 [ 7559.215565][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7559.215565][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7559.215565][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7559.215565][ T7704] ipv6_add_addr+0x411/0x2000 [ 7559.215565][ T7704] inet6_addr_add+0x30e/0xa40 [ 7559.215565][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7559.215565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7559.215565][ T7704] netlink_rcv_skb+0x130/0x360 [ 7559.215565][ T7704] netlink_unicast+0x449/0x710 [ 7559.215565][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7559.215565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7559.215565][ T7704] ___sys_sendmsg+0xee/0x170 [ 7559.215565][ T7704] __sys_sendmsg+0xcd/0x170 [ 7559.215565][ T7704] do_syscall_64+0xc6/0x1e0 [ 7559.215565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7559.215565][ T7704] [ 7559.217799][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7559.217799][ T7704] netdev_get_by_index+0x5e/0x80 [ 7559.217799][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7559.217799][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7559.217799][ T7704] ip6_route_add+0x1c/0x140 [ 7559.217799][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7559.217799][ T7704] addrconf_add_dev+0xe2/0x170 [ 7559.217799][ T7704] inet6_addr_add+0x12f/0xa40 [ 7559.217799][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7559.217799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7559.217799][ T7704] netlink_rcv_skb+0x130/0x360 [ 7559.217799][ T7704] netlink_unicast+0x449/0x710 [ 7559.217799][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7559.217799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7559.217799][ T7704] ___sys_sendmsg+0xee/0x170 [ 7559.217799][ T7704] __sys_sendmsg+0xcd/0x170 [ 7559.217799][ T7704] do_syscall_64+0xc6/0x1e0 [ 7559.217799][ T7704] [ 7559.220361][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7559.220361][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7559.220361][ T7704] ipv6_find_idev+0x102/0x170 [ 7559.220361][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7559.220361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7559.220361][ T7704] netlink_rcv_skb+0x130/0x360 [ 7559.220361][ T7704] netlink_unicast+0x449/0x710 [ 7559.220361][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7559.220361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7559.220361][ T7704] ___sys_sendmsg+0xee/0x170 [ 7559.220361][ T7704] __sys_sendmsg+0xcd/0x170 [ 7559.220361][ T7704] do_syscall_64+0xc6/0x1e0 [ 7559.220361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7559.220361][ T7704] [ 7559.222574][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7559.222574][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7559.222574][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7559.222574][ T7704] ipv6_find_idev+0x102/0x170 [ 7559.222574][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7559.222574][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7559.222574][ T7704] netlink_rcv_skb+0x130/0x360 [ 7559.222574][ T7704] netlink_unicast+0x449/0x710 [ 7559.222574][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7559.222574][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7559.222574][ T7704] ___sys_sendmsg+0xee/0x170 [ 7559.222574][ T7704] __sys_sendmsg+0xcd/0x170 [ 7559.222574][ T7704] do_syscall_64+0xc6/0x1e0 [ 7559.222574][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7559.222574][ T7704] [ 7569.308838][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7569.309341][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7569.309341][ T7704] netdev_get_by_index+0x5e/0x80 [ 7569.309341][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7569.309341][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7569.309341][ T7704] ip6_route_add+0x1c/0x140 [ 7569.309341][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7569.309341][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7569.309341][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7569.309341][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7569.309341][ T7704] netlink_rcv_skb+0x130/0x360 [ 7569.309341][ T7704] netlink_unicast+0x449/0x710 [ 7569.309341][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7569.309341][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7569.309341][ T7704] ___sys_sendmsg+0xee/0x170 [ 7569.309341][ T7704] __sys_sendmsg+0xcd/0x170 [ 7569.309341][ T7704] do_syscall_64+0xc6/0x1e0 [ 7569.309341][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7569.309341][ T7704] [ 7569.311607][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7569.311607][ T7704] netdev_get_by_index+0x5e/0x80 [ 7569.311607][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7569.311607][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7569.311607][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7569.311607][ T7704] ipv6_add_addr+0x411/0x2000 [ 7569.311607][ T7704] inet6_addr_add+0x30e/0xa40 [ 7569.311607][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7569.311607][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7569.311607][ T7704] netlink_rcv_skb+0x130/0x360 [ 7569.311607][ T7704] netlink_unicast+0x449/0x710 [ 7569.311607][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7569.311607][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7569.311607][ T7704] ___sys_sendmsg+0xee/0x170 [ 7569.311607][ T7704] __sys_sendmsg+0xcd/0x170 [ 7569.311607][ T7704] do_syscall_64+0xc6/0x1e0 [ 7569.311607][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7569.311607][ T7704] [ 7569.313841][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7569.313841][ T7704] netdev_get_by_index+0x5e/0x80 [ 7569.313841][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7569.313841][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7569.313841][ T7704] ip6_route_add+0x1c/0x140 [ 7569.313841][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7569.313841][ T7704] addrconf_add_dev+0xe2/0x170 [ 7569.313841][ T7704] inet6_addr_add+0x12f/0xa40 [ 7569.313841][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7569.313841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7569.313841][ T7704] netlink_rcv_skb+0x130/0x360 [ 7569.313841][ T7704] netlink_unicast+0x449/0x710 [ 7569.313841][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7569.313841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7569.313841][ T7704] ___sys_sendmsg+0xee/0x170 [ 7569.313841][ T7704] __sys_sendmsg+0xcd/0x170 [ 7569.313841][ T7704] do_syscall_64+0xc6/0x1e0 [ 7569.313841][ T7704] [ 7569.316056][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7569.316056][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7569.316056][ T7704] ipv6_find_idev+0x102/0x170 [ 7569.316056][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7569.316056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7569.316056][ T7704] netlink_rcv_skb+0x130/0x360 [ 7569.316056][ T7704] netlink_unicast+0x449/0x710 [ 7569.316056][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7569.316056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7569.316056][ T7704] ___sys_sendmsg+0xee/0x170 [ 7569.316056][ T7704] __sys_sendmsg+0xcd/0x170 [ 7569.316056][ T7704] do_syscall_64+0xc6/0x1e0 [ 7569.316056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7569.316056][ T7704] [ 7569.317876][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7569.317876][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7569.317876][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7569.317876][ T7704] ipv6_find_idev+0x102/0x170 [ 7569.317876][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7569.317876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7569.317876][ T7704] netlink_rcv_skb+0x130/0x360 [ 7569.317876][ T7704] netlink_unicast+0x449/0x710 [ 7569.317876][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7569.317876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7569.317876][ T7704] ___sys_sendmsg+0xee/0x170 [ 7569.317876][ T7704] __sys_sendmsg+0xcd/0x170 [ 7569.317876][ T7704] do_syscall_64+0xc6/0x1e0 [ 7569.317876][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7569.317876][ T7704] [ 7579.332850][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7579.333345][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7579.333345][ T7704] netdev_get_by_index+0x5e/0x80 [ 7579.333345][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7579.333345][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7579.333345][ T7704] ip6_route_add+0x1c/0x140 [ 7579.333345][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7579.333345][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7579.333345][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7579.333345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7579.333345][ T7704] netlink_rcv_skb+0x130/0x360 [ 7579.333345][ T7704] netlink_unicast+0x449/0x710 [ 7579.333345][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7579.333345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7579.333345][ T7704] ___sys_sendmsg+0xee/0x170 [ 7579.333345][ T7704] __sys_sendmsg+0xcd/0x170 [ 7579.333345][ T7704] do_syscall_64+0xc6/0x1e0 [ 7579.333345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7579.333345][ T7704] [ 7579.335600][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7579.335600][ T7704] netdev_get_by_index+0x5e/0x80 [ 7579.335600][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7579.335600][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7579.335600][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7579.335600][ T7704] ipv6_add_addr+0x411/0x2000 [ 7579.335600][ T7704] inet6_addr_add+0x30e/0xa40 [ 7579.335600][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7579.335600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7579.335600][ T7704] netlink_rcv_skb+0x130/0x360 [ 7579.335600][ T7704] netlink_unicast+0x449/0x710 [ 7579.335600][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7579.335600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7579.335600][ T7704] ___sys_sendmsg+0xee/0x170 [ 7579.335600][ T7704] __sys_sendmsg+0xcd/0x170 [ 7579.335600][ T7704] do_syscall_64+0xc6/0x1e0 [ 7579.335600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7579.335600][ T7704] [ 7579.337826][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7579.337826][ T7704] netdev_get_by_index+0x5e/0x80 [ 7579.337826][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7579.337826][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7579.337826][ T7704] ip6_route_add+0x1c/0x140 [ 7579.337826][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7579.337826][ T7704] addrconf_add_dev+0xe2/0x170 [ 7579.337826][ T7704] inet6_addr_add+0x12f/0xa40 [ 7579.337826][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7579.337826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7579.337826][ T7704] netlink_rcv_skb+0x130/0x360 [ 7579.337826][ T7704] netlink_unicast+0x449/0x710 [ 7579.337826][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7579.337826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7579.337826][ T7704] ___sys_sendmsg+0xee/0x170 [ 7579.337826][ T7704] __sys_sendmsg+0xcd/0x170 [ 7579.337826][ T7704] do_syscall_64+0xc6/0x1e0 [ 7579.337826][ T7704] [ 7579.340047][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7579.340047][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7579.340047][ T7704] ipv6_find_idev+0x102/0x170 [ 7579.340047][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7579.340047][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7579.340047][ T7704] netlink_rcv_skb+0x130/0x360 [ 7579.340047][ T7704] netlink_unicast+0x449/0x710 [ 7579.340047][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7579.340047][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7579.340047][ T7704] ___sys_sendmsg+0xee/0x170 [ 7579.340047][ T7704] __sys_sendmsg+0xcd/0x170 [ 7579.340047][ T7704] do_syscall_64+0xc6/0x1e0 [ 7579.340047][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7579.340047][ T7704] [ 7579.341770][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7579.341770][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7579.341770][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7579.341770][ T7704] ipv6_find_idev+0x102/0x170 [ 7579.341770][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7579.341770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7579.341770][ T7704] netlink_rcv_skb+0x130/0x360 [ 7579.341770][ T7704] netlink_unicast+0x449/0x710 [ 7579.341770][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7579.341770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7579.341770][ T7704] ___sys_sendmsg+0xee/0x170 [ 7579.341770][ T7704] __sys_sendmsg+0xcd/0x170 [ 7579.341770][ T7704] do_syscall_64+0xc6/0x1e0 [ 7579.341770][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7579.341770][ T7704] [ 7589.580770][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7589.581257][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7589.581257][ T7704] netdev_get_by_index+0x5e/0x80 [ 7589.581257][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7589.581257][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7589.581257][ T7704] ip6_route_add+0x1c/0x140 [ 7589.581257][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7589.581257][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7589.581257][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7589.581257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7589.581257][ T7704] netlink_rcv_skb+0x130/0x360 [ 7589.581257][ T7704] netlink_unicast+0x449/0x710 [ 7589.581257][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7589.581257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7589.581257][ T7704] ___sys_sendmsg+0xee/0x170 [ 7589.581257][ T7704] __sys_sendmsg+0xcd/0x170 [ 7589.581257][ T7704] do_syscall_64+0xc6/0x1e0 [ 7589.581257][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7589.581257][ T7704] [ 7589.583522][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7589.583522][ T7704] netdev_get_by_index+0x5e/0x80 [ 7589.583522][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7589.583522][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7589.583522][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7589.583522][ T7704] ipv6_add_addr+0x411/0x2000 [ 7589.583522][ T7704] inet6_addr_add+0x30e/0xa40 [ 7589.583522][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7589.583522][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7589.583522][ T7704] netlink_rcv_skb+0x130/0x360 [ 7589.583522][ T7704] netlink_unicast+0x449/0x710 [ 7589.583522][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7589.583522][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7589.583522][ T7704] ___sys_sendmsg+0xee/0x170 [ 7589.583522][ T7704] __sys_sendmsg+0xcd/0x170 [ 7589.583522][ T7704] do_syscall_64+0xc6/0x1e0 [ 7589.583522][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7589.583522][ T7704] [ 7589.585774][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7589.585774][ T7704] netdev_get_by_index+0x5e/0x80 [ 7589.585774][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7589.585774][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7589.585774][ T7704] ip6_route_add+0x1c/0x140 [ 7589.585774][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7589.585774][ T7704] addrconf_add_dev+0xe2/0x170 [ 7589.585774][ T7704] inet6_addr_add+0x12f/0xa40 [ 7589.585774][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7589.585774][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7589.585774][ T7704] netlink_rcv_skb+0x130/0x360 [ 7589.585774][ T7704] netlink_unicast+0x449/0x710 [ 7589.585774][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7589.585774][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7589.585774][ T7704] ___sys_sendmsg+0xee/0x170 [ 7589.585774][ T7704] __sys_sendmsg+0xcd/0x170 [ 7589.585774][ T7704] do_syscall_64+0xc6/0x1e0 [ 7589.585774][ T7704] [ 7589.587976][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7589.587976][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7589.587976][ T7704] ipv6_find_idev+0x102/0x170 [ 7589.587976][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7589.587976][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7589.587976][ T7704] netlink_rcv_skb+0x130/0x360 [ 7589.587976][ T7704] netlink_unicast+0x449/0x710 [ 7589.587976][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7589.587976][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7589.587976][ T7704] ___sys_sendmsg+0xee/0x170 [ 7589.587976][ T7704] __sys_sendmsg+0xcd/0x170 [ 7589.587976][ T7704] do_syscall_64+0xc6/0x1e0 [ 7589.587976][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7589.587976][ T7704] [ 7589.589701][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7589.589701][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7589.589701][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7589.589701][ T7704] ipv6_find_idev+0x102/0x170 [ 7589.589701][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7589.589701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7589.589701][ T7704] netlink_rcv_skb+0x130/0x360 [ 7589.589701][ T7704] netlink_unicast+0x449/0x710 [ 7589.589701][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7589.589701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7589.589701][ T7704] ___sys_sendmsg+0xee/0x170 [ 7589.589701][ T7704] __sys_sendmsg+0xcd/0x170 [ 7589.589701][ T7704] do_syscall_64+0xc6/0x1e0 [ 7589.589701][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7589.589701][ T7704] [ 7599.828817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7599.829311][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7599.829311][ T7704] netdev_get_by_index+0x5e/0x80 [ 7599.829311][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7599.829311][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7599.829311][ T7704] ip6_route_add+0x1c/0x140 [ 7599.829311][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7599.829311][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7599.829311][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7599.829311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7599.829311][ T7704] netlink_rcv_skb+0x130/0x360 [ 7599.829311][ T7704] netlink_unicast+0x449/0x710 [ 7599.829311][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7599.829311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7599.829311][ T7704] ___sys_sendmsg+0xee/0x170 [ 7599.829311][ T7704] __sys_sendmsg+0xcd/0x170 [ 7599.829311][ T7704] do_syscall_64+0xc6/0x1e0 [ 7599.829311][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7599.829311][ T7704] [ 7599.831561][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7599.831561][ T7704] netdev_get_by_index+0x5e/0x80 [ 7599.831561][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7599.831561][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7599.831561][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7599.831561][ T7704] ipv6_add_addr+0x411/0x2000 [ 7599.831561][ T7704] inet6_addr_add+0x30e/0xa40 [ 7599.831561][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7599.831561][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7599.831561][ T7704] netlink_rcv_skb+0x130/0x360 [ 7599.831561][ T7704] netlink_unicast+0x449/0x710 [ 7599.831561][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7599.831561][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7599.831561][ T7704] ___sys_sendmsg+0xee/0x170 [ 7599.831561][ T7704] __sys_sendmsg+0xcd/0x170 [ 7599.831561][ T7704] do_syscall_64+0xc6/0x1e0 [ 7599.831561][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7599.831561][ T7704] [ 7599.833799][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7599.833799][ T7704] netdev_get_by_index+0x5e/0x80 [ 7599.833799][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7599.833799][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7599.833799][ T7704] ip6_route_add+0x1c/0x140 [ 7599.833799][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7599.833799][ T7704] addrconf_add_dev+0xe2/0x170 [ 7599.833799][ T7704] inet6_addr_add+0x12f/0xa40 [ 7599.833799][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7599.833799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7599.833799][ T7704] netlink_rcv_skb+0x130/0x360 [ 7599.833799][ T7704] netlink_unicast+0x449/0x710 [ 7599.833799][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7599.833799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7599.833799][ T7704] ___sys_sendmsg+0xee/0x170 [ 7599.833799][ T7704] __sys_sendmsg+0xcd/0x170 [ 7599.833799][ T7704] do_syscall_64+0xc6/0x1e0 [ 7599.833799][ T7704] [ 7599.836021][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7599.836021][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7599.836021][ T7704] ipv6_find_idev+0x102/0x170 [ 7599.836021][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7599.836021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7599.836021][ T7704] netlink_rcv_skb+0x130/0x360 [ 7599.836021][ T7704] netlink_unicast+0x449/0x710 [ 7599.836021][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7599.836021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7599.836021][ T7704] ___sys_sendmsg+0xee/0x170 [ 7599.836021][ T7704] __sys_sendmsg+0xcd/0x170 [ 7599.836021][ T7704] do_syscall_64+0xc6/0x1e0 [ 7599.836021][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7599.836021][ T7704] [ 7599.837744][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7599.837744][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7599.837744][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7599.837744][ T7704] ipv6_find_idev+0x102/0x170 [ 7599.837744][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7599.837744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7599.837744][ T7704] netlink_rcv_skb+0x130/0x360 [ 7599.837744][ T7704] netlink_unicast+0x449/0x710 [ 7599.837744][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7599.837744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7599.837744][ T7704] ___sys_sendmsg+0xee/0x170 [ 7599.837744][ T7704] __sys_sendmsg+0xcd/0x170 [ 7599.837744][ T7704] do_syscall_64+0xc6/0x1e0 [ 7599.837744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7599.837744][ T7704] [ 7610.076805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7610.077301][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7610.077301][ T7704] netdev_get_by_index+0x5e/0x80 [ 7610.077301][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7610.077301][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7610.077301][ T7704] ip6_route_add+0x1c/0x140 [ 7610.077301][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7610.077301][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7610.077301][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7610.077301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7610.077301][ T7704] netlink_rcv_skb+0x130/0x360 [ 7610.077301][ T7704] netlink_unicast+0x449/0x710 [ 7610.077301][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7610.077301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7610.077301][ T7704] ___sys_sendmsg+0xee/0x170 [ 7610.077301][ T7704] __sys_sendmsg+0xcd/0x170 [ 7610.077301][ T7704] do_syscall_64+0xc6/0x1e0 [ 7610.077301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7610.077301][ T7704] [ 7610.079567][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7610.079567][ T7704] netdev_get_by_index+0x5e/0x80 [ 7610.079567][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7610.079567][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7610.079567][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7610.079567][ T7704] ipv6_add_addr+0x411/0x2000 [ 7610.079567][ T7704] inet6_addr_add+0x30e/0xa40 [ 7610.079567][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7610.079567][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7610.079567][ T7704] netlink_rcv_skb+0x130/0x360 [ 7610.079567][ T7704] netlink_unicast+0x449/0x710 [ 7610.079567][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7610.079567][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7610.079567][ T7704] ___sys_sendmsg+0xee/0x170 [ 7610.079567][ T7704] __sys_sendmsg+0xcd/0x170 [ 7610.079567][ T7704] do_syscall_64+0xc6/0x1e0 [ 7610.079567][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7610.079567][ T7704] [ 7610.081816][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7610.081816][ T7704] netdev_get_by_index+0x5e/0x80 [ 7610.081816][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7610.081816][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7610.081816][ T7704] ip6_route_add+0x1c/0x140 [ 7610.081816][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7610.081816][ T7704] addrconf_add_dev+0xe2/0x170 [ 7610.081816][ T7704] inet6_addr_add+0x12f/0xa40 [ 7610.081816][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7610.081816][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7610.081816][ T7704] netlink_rcv_skb+0x130/0x360 [ 7610.081816][ T7704] netlink_unicast+0x449/0x710 [ 7610.081816][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7610.081816][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7610.081816][ T7704] ___sys_sendmsg+0xee/0x170 [ 7610.081816][ T7704] __sys_sendmsg+0xcd/0x170 [ 7610.081816][ T7704] do_syscall_64+0xc6/0x1e0 [ 7610.081816][ T7704] [ 7610.084020][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7610.084020][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7610.084020][ T7704] ipv6_find_idev+0x102/0x170 [ 7610.084020][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7610.084020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7610.084020][ T7704] netlink_rcv_skb+0x130/0x360 [ 7610.084020][ T7704] netlink_unicast+0x449/0x710 [ 7610.084020][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7610.084020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7610.084020][ T7704] ___sys_sendmsg+0xee/0x170 [ 7610.084020][ T7704] __sys_sendmsg+0xcd/0x170 [ 7610.084020][ T7704] do_syscall_64+0xc6/0x1e0 [ 7610.084020][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7610.084020][ T7704] [ 7610.085766][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7610.085766][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7610.085766][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7610.085766][ T7704] ipv6_find_idev+0x102/0x170 [ 7610.085766][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7610.085766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7610.085766][ T7704] netlink_rcv_skb+0x130/0x360 [ 7610.085766][ T7704] netlink_unicast+0x449/0x710 [ 7610.085766][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7610.085766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7610.085766][ T7704] ___sys_sendmsg+0xee/0x170 [ 7610.085766][ T7704] __sys_sendmsg+0xcd/0x170 [ 7610.085766][ T7704] do_syscall_64+0xc6/0x1e0 [ 7610.085766][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7610.085766][ T7704] [ 7620.324882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7620.325335][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7620.325335][ T7704] netdev_get_by_index+0x5e/0x80 [ 7620.325335][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7620.325335][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7620.325335][ T7704] ip6_route_add+0x1c/0x140 [ 7620.325335][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7620.325335][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7620.325335][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7620.325335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7620.325335][ T7704] netlink_rcv_skb+0x130/0x360 [ 7620.325335][ T7704] netlink_unicast+0x449/0x710 [ 7620.325335][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7620.325335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7620.325335][ T7704] ___sys_sendmsg+0xee/0x170 [ 7620.325335][ T7704] __sys_sendmsg+0xcd/0x170 [ 7620.325335][ T7704] do_syscall_64+0xc6/0x1e0 [ 7620.325335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7620.325335][ T7704] [ 7620.327587][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7620.327587][ T7704] netdev_get_by_index+0x5e/0x80 [ 7620.327587][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7620.327587][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7620.327587][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7620.327587][ T7704] ipv6_add_addr+0x411/0x2000 [ 7620.327587][ T7704] inet6_addr_add+0x30e/0xa40 [ 7620.327587][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7620.327587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7620.327587][ T7704] netlink_rcv_skb+0x130/0x360 [ 7620.327587][ T7704] netlink_unicast+0x449/0x710 [ 7620.327587][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7620.327587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7620.327587][ T7704] ___sys_sendmsg+0xee/0x170 [ 7620.327587][ T7704] __sys_sendmsg+0xcd/0x170 [ 7620.327587][ T7704] do_syscall_64+0xc6/0x1e0 [ 7620.327587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7620.327587][ T7704] [ 7620.329819][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7620.329819][ T7704] netdev_get_by_index+0x5e/0x80 [ 7620.329819][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7620.329819][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7620.329819][ T7704] ip6_route_add+0x1c/0x140 [ 7620.329819][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7620.329819][ T7704] addrconf_add_dev+0xe2/0x170 [ 7620.329819][ T7704] inet6_addr_add+0x12f/0xa40 [ 7620.329819][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7620.329819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7620.329819][ T7704] netlink_rcv_skb+0x130/0x360 [ 7620.329819][ T7704] netlink_unicast+0x449/0x710 [ 7620.329819][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7620.329819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7620.329819][ T7704] ___sys_sendmsg+0xee/0x170 [ 7620.329819][ T7704] __sys_sendmsg+0xcd/0x170 [ 7620.329819][ T7704] do_syscall_64+0xc6/0x1e0 [ 7620.329819][ T7704] [ 7620.332013][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7620.332013][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7620.332013][ T7704] ipv6_find_idev+0x102/0x170 [ 7620.332013][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7620.332013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7620.332013][ T7704] netlink_rcv_skb+0x130/0x360 [ 7620.332013][ T7704] netlink_unicast+0x449/0x710 [ 7620.332013][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7620.332013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7620.332013][ T7704] ___sys_sendmsg+0xee/0x170 [ 7620.332013][ T7704] __sys_sendmsg+0xcd/0x170 [ 7620.332013][ T7704] do_syscall_64+0xc6/0x1e0 [ 7620.332013][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7620.332013][ T7704] [ 7620.333726][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7620.333726][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7620.333726][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7620.333726][ T7704] ipv6_find_idev+0x102/0x170 [ 7620.333726][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7620.333726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7620.333726][ T7704] netlink_rcv_skb+0x130/0x360 [ 7620.333726][ T7704] netlink_unicast+0x449/0x710 [ 7620.333726][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7620.333726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7620.333726][ T7704] ___sys_sendmsg+0xee/0x170 [ 7620.333726][ T7704] __sys_sendmsg+0xcd/0x170 [ 7620.333726][ T7704] do_syscall_64+0xc6/0x1e0 [ 7620.333726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7620.333726][ T7704] [ 7630.572814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7630.573302][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7630.573302][ T7704] netdev_get_by_index+0x5e/0x80 [ 7630.573302][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7630.573302][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7630.573302][ T7704] ip6_route_add+0x1c/0x140 [ 7630.573302][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7630.573302][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7630.573302][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7630.573302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7630.573302][ T7704] netlink_rcv_skb+0x130/0x360 [ 7630.573302][ T7704] netlink_unicast+0x449/0x710 [ 7630.573302][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7630.573302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7630.573302][ T7704] ___sys_sendmsg+0xee/0x170 [ 7630.573302][ T7704] __sys_sendmsg+0xcd/0x170 [ 7630.573302][ T7704] do_syscall_64+0xc6/0x1e0 [ 7630.573302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7630.573302][ T7704] [ 7630.575576][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7630.575576][ T7704] netdev_get_by_index+0x5e/0x80 [ 7630.575576][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7630.575576][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7630.575576][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7630.575576][ T7704] ipv6_add_addr+0x411/0x2000 [ 7630.575576][ T7704] inet6_addr_add+0x30e/0xa40 [ 7630.575576][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7630.575576][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7630.575576][ T7704] netlink_rcv_skb+0x130/0x360 [ 7630.575576][ T7704] netlink_unicast+0x449/0x710 [ 7630.575576][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7630.575576][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7630.575576][ T7704] ___sys_sendmsg+0xee/0x170 [ 7630.575576][ T7704] __sys_sendmsg+0xcd/0x170 [ 7630.575576][ T7704] do_syscall_64+0xc6/0x1e0 [ 7630.575576][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7630.575576][ T7704] [ 7630.577805][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7630.577805][ T7704] netdev_get_by_index+0x5e/0x80 [ 7630.577805][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7630.577805][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7630.577805][ T7704] ip6_route_add+0x1c/0x140 [ 7630.577805][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7630.577805][ T7704] addrconf_add_dev+0xe2/0x170 [ 7630.577805][ T7704] inet6_addr_add+0x12f/0xa40 [ 7630.577805][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7630.577805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7630.577805][ T7704] netlink_rcv_skb+0x130/0x360 [ 7630.577805][ T7704] netlink_unicast+0x449/0x710 [ 7630.577805][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7630.577805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7630.577805][ T7704] ___sys_sendmsg+0xee/0x170 [ 7630.577805][ T7704] __sys_sendmsg+0xcd/0x170 [ 7630.577805][ T7704] do_syscall_64+0xc6/0x1e0 [ 7630.577805][ T7704] [ 7630.580006][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7630.580006][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7630.580006][ T7704] ipv6_find_idev+0x102/0x170 [ 7630.580006][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7630.580006][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7630.580006][ T7704] netlink_rcv_skb+0x130/0x360 [ 7630.580006][ T7704] netlink_unicast+0x449/0x710 [ 7630.580006][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7630.580006][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7630.580006][ T7704] ___sys_sendmsg+0xee/0x170 [ 7630.580006][ T7704] __sys_sendmsg+0xcd/0x170 [ 7630.580006][ T7704] do_syscall_64+0xc6/0x1e0 [ 7630.580006][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7630.580006][ T7704] [ 7630.581723][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7630.581723][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7630.581723][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7630.581723][ T7704] ipv6_find_idev+0x102/0x170 [ 7630.581723][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7630.581723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7630.581723][ T7704] netlink_rcv_skb+0x130/0x360 [ 7630.581723][ T7704] netlink_unicast+0x449/0x710 [ 7630.581723][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7630.581723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7630.581723][ T7704] ___sys_sendmsg+0xee/0x170 [ 7630.581723][ T7704] __sys_sendmsg+0xcd/0x170 [ 7630.581723][ T7704] do_syscall_64+0xc6/0x1e0 [ 7630.581723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7630.581723][ T7704] [ 7640.820900][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7640.821382][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7640.821382][ T7704] netdev_get_by_index+0x5e/0x80 [ 7640.821382][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7640.821382][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7640.821382][ T7704] ip6_route_add+0x1c/0x140 [ 7640.821382][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7640.821382][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7640.821382][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7640.821382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7640.821382][ T7704] netlink_rcv_skb+0x130/0x360 [ 7640.821382][ T7704] netlink_unicast+0x449/0x710 [ 7640.821382][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7640.821382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7640.821382][ T7704] ___sys_sendmsg+0xee/0x170 [ 7640.821382][ T7704] __sys_sendmsg+0xcd/0x170 [ 7640.821382][ T7704] do_syscall_64+0xc6/0x1e0 [ 7640.821382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7640.821382][ T7704] [ 7640.823648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7640.823648][ T7704] netdev_get_by_index+0x5e/0x80 [ 7640.823648][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7640.823648][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7640.823648][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7640.823648][ T7704] ipv6_add_addr+0x411/0x2000 [ 7640.823648][ T7704] inet6_addr_add+0x30e/0xa40 [ 7640.823648][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7640.823648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7640.823648][ T7704] netlink_rcv_skb+0x130/0x360 [ 7640.823648][ T7704] netlink_unicast+0x449/0x710 [ 7640.823648][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7640.823648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7640.823648][ T7704] ___sys_sendmsg+0xee/0x170 [ 7640.823648][ T7704] __sys_sendmsg+0xcd/0x170 [ 7640.823648][ T7704] do_syscall_64+0xc6/0x1e0 [ 7640.823648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7640.823648][ T7704] [ 7640.825899][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7640.825899][ T7704] netdev_get_by_index+0x5e/0x80 [ 7640.825899][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7640.825899][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7640.825899][ T7704] ip6_route_add+0x1c/0x140 [ 7640.825899][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7640.825899][ T7704] addrconf_add_dev+0xe2/0x170 [ 7640.825899][ T7704] inet6_addr_add+0x12f/0xa40 [ 7640.825899][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7640.825899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7640.825899][ T7704] netlink_rcv_skb+0x130/0x360 [ 7640.825899][ T7704] netlink_unicast+0x449/0x710 [ 7640.825899][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7640.825899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7640.825899][ T7704] ___sys_sendmsg+0xee/0x170 [ 7640.825899][ T7704] __sys_sendmsg+0xcd/0x170 [ 7640.825899][ T7704] do_syscall_64+0xc6/0x1e0 [ 7640.825899][ T7704] [ 7640.828112][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7640.828112][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7640.828112][ T7704] ipv6_find_idev+0x102/0x170 [ 7640.828112][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7640.828112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7640.828112][ T7704] netlink_rcv_skb+0x130/0x360 [ 7640.828112][ T7704] netlink_unicast+0x449/0x710 [ 7640.828112][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7640.828112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7640.828112][ T7704] ___sys_sendmsg+0xee/0x170 [ 7640.828112][ T7704] __sys_sendmsg+0xcd/0x170 [ 7640.828112][ T7704] do_syscall_64+0xc6/0x1e0 [ 7640.828112][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7640.828112][ T7704] [ 7640.829831][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7640.829831][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7640.829831][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7640.829831][ T7704] ipv6_find_idev+0x102/0x170 [ 7640.829831][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7640.829831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7640.829831][ T7704] netlink_rcv_skb+0x130/0x360 [ 7640.829831][ T7704] netlink_unicast+0x449/0x710 [ 7640.829831][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7640.829831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7640.829831][ T7704] ___sys_sendmsg+0xee/0x170 [ 7640.829831][ T7704] __sys_sendmsg+0xcd/0x170 [ 7640.829831][ T7704] do_syscall_64+0xc6/0x1e0 [ 7640.829831][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7640.829831][ T7704] [ 7650.884799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7650.885847][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7650.885847][ T7704] netdev_get_by_index+0x5e/0x80 [ 7650.885847][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7650.885847][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7650.885847][ T7704] ip6_route_add+0x1c/0x140 [ 7650.885847][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7650.885847][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7650.885847][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7650.885847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.885847][ T7704] netlink_rcv_skb+0x130/0x360 [ 7650.885847][ T7704] netlink_unicast+0x449/0x710 [ 7650.885847][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7650.885847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7650.885847][ T7704] ___sys_sendmsg+0xee/0x170 [ 7650.885847][ T7704] __sys_sendmsg+0xcd/0x170 [ 7650.885847][ T7704] do_syscall_64+0xc6/0x1e0 [ 7650.885847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7650.885847][ T7704] [ 7650.888104][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7650.888104][ T7704] netdev_get_by_index+0x5e/0x80 [ 7650.888104][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7650.888104][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7650.888104][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7650.888104][ T7704] ipv6_add_addr+0x411/0x2000 [ 7650.888104][ T7704] inet6_addr_add+0x30e/0xa40 [ 7650.888104][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7650.888104][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.888104][ T7704] netlink_rcv_skb+0x130/0x360 [ 7650.888104][ T7704] netlink_unicast+0x449/0x710 [ 7650.888104][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7650.888104][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7650.888104][ T7704] ___sys_sendmsg+0xee/0x170 [ 7650.888104][ T7704] __sys_sendmsg+0xcd/0x170 [ 7650.888104][ T7704] do_syscall_64+0xc6/0x1e0 [ 7650.888104][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7650.888104][ T7704] [ 7650.890334][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7650.890334][ T7704] netdev_get_by_index+0x5e/0x80 [ 7650.890334][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7650.890334][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7650.890334][ T7704] ip6_route_add+0x1c/0x140 [ 7650.890334][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7650.890334][ T7704] addrconf_add_dev+0xe2/0x170 [ 7650.890334][ T7704] inet6_addr_add+0x12f/0xa40 [ 7650.890334][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7650.890334][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.890334][ T7704] netlink_rcv_skb+0x130/0x360 [ 7650.890334][ T7704] netlink_unicast+0x449/0x710 [ 7650.890334][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7650.890334][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7650.890334][ T7704] ___sys_sendmsg+0xee/0x170 [ 7650.890334][ T7704] __sys_sendmsg+0xcd/0x170 [ 7650.890334][ T7704] do_syscall_64+0xc6/0x1e0 [ 7650.890334][ T7704] [ 7650.892532][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7650.892532][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7650.892532][ T7704] ipv6_find_idev+0x102/0x170 [ 7650.892532][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7650.892532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.892532][ T7704] netlink_rcv_skb+0x130/0x360 [ 7650.892532][ T7704] netlink_unicast+0x449/0x710 [ 7650.892532][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7650.892532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7650.892532][ T7704] ___sys_sendmsg+0xee/0x170 [ 7650.892532][ T7704] __sys_sendmsg+0xcd/0x170 [ 7650.892532][ T7704] do_syscall_64+0xc6/0x1e0 [ 7650.892532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7650.892532][ T7704] [ 7650.894259][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7650.894259][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7650.894259][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7650.894259][ T7704] ipv6_find_idev+0x102/0x170 [ 7650.894259][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7650.894259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.894259][ T7704] netlink_rcv_skb+0x130/0x360 [ 7650.894259][ T7704] netlink_unicast+0x449/0x710 [ 7650.894259][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7650.894259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7650.894259][ T7704] ___sys_sendmsg+0xee/0x170 [ 7650.894259][ T7704] __sys_sendmsg+0xcd/0x170 [ 7650.894259][ T7704] do_syscall_64+0xc6/0x1e0 [ 7650.894259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7650.894259][ T7704] [ 7661.140821][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7661.141298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7661.141298][ T7704] netdev_get_by_index+0x5e/0x80 [ 7661.141298][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7661.141298][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7661.141298][ T7704] ip6_route_add+0x1c/0x140 [ 7661.141298][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7661.141298][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7661.141298][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7661.141298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7661.141298][ T7704] netlink_rcv_skb+0x130/0x360 [ 7661.141298][ T7704] netlink_unicast+0x449/0x710 [ 7661.141298][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7661.141298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7661.141298][ T7704] ___sys_sendmsg+0xee/0x170 [ 7661.141298][ T7704] __sys_sendmsg+0xcd/0x170 [ 7661.141298][ T7704] do_syscall_64+0xc6/0x1e0 [ 7661.141298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7661.141298][ T7704] [ 7661.143524][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7661.143524][ T7704] netdev_get_by_index+0x5e/0x80 [ 7661.143524][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7661.143524][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7661.143524][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7661.143524][ T7704] ipv6_add_addr+0x411/0x2000 [ 7661.143524][ T7704] inet6_addr_add+0x30e/0xa40 [ 7661.143524][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7661.143524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7661.143524][ T7704] netlink_rcv_skb+0x130/0x360 [ 7661.143524][ T7704] netlink_unicast+0x449/0x710 [ 7661.143524][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7661.143524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7661.143524][ T7704] ___sys_sendmsg+0xee/0x170 [ 7661.143524][ T7704] __sys_sendmsg+0xcd/0x170 [ 7661.143524][ T7704] do_syscall_64+0xc6/0x1e0 [ 7661.143524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7661.143524][ T7704] [ 7661.145733][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7661.145733][ T7704] netdev_get_by_index+0x5e/0x80 [ 7661.145733][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7661.145733][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7661.145733][ T7704] ip6_route_add+0x1c/0x140 [ 7661.145733][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7661.145733][ T7704] addrconf_add_dev+0xe2/0x170 [ 7661.145733][ T7704] inet6_addr_add+0x12f/0xa40 [ 7661.145733][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7661.145733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7661.145733][ T7704] netlink_rcv_skb+0x130/0x360 [ 7661.145733][ T7704] netlink_unicast+0x449/0x710 [ 7661.145733][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7661.145733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7661.145733][ T7704] ___sys_sendmsg+0xee/0x170 [ 7661.145733][ T7704] __sys_sendmsg+0xcd/0x170 [ 7661.145733][ T7704] do_syscall_64+0xc6/0x1e0 [ 7661.145733][ T7704] [ 7661.147901][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7661.147901][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7661.147901][ T7704] ipv6_find_idev+0x102/0x170 [ 7661.147901][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7661.147901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7661.147901][ T7704] netlink_rcv_skb+0x130/0x360 [ 7661.147901][ T7704] netlink_unicast+0x449/0x710 [ 7661.147901][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7661.147901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7661.147901][ T7704] ___sys_sendmsg+0xee/0x170 [ 7661.147901][ T7704] __sys_sendmsg+0xcd/0x170 [ 7661.147901][ T7704] do_syscall_64+0xc6/0x1e0 [ 7661.147901][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7661.147901][ T7704] [ 7661.149601][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7661.149601][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7661.149601][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7661.149601][ T7704] ipv6_find_idev+0x102/0x170 [ 7661.149601][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7661.149601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7661.149601][ T7704] netlink_rcv_skb+0x130/0x360 [ 7661.149601][ T7704] netlink_unicast+0x449/0x710 [ 7661.149601][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7661.149601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7661.149601][ T7704] ___sys_sendmsg+0xee/0x170 [ 7661.149601][ T7704] __sys_sendmsg+0xcd/0x170 [ 7661.149601][ T7704] do_syscall_64+0xc6/0x1e0 [ 7661.149601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7661.149601][ T7704] [ 7671.196795][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7671.197257][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7671.197257][ T7704] netdev_get_by_index+0x5e/0x80 [ 7671.197257][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7671.197257][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7671.197257][ T7704] ip6_route_add+0x1c/0x140 [ 7671.197257][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7671.197257][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7671.197257][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7671.197257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7671.197257][ T7704] netlink_rcv_skb+0x130/0x360 [ 7671.197257][ T7704] netlink_unicast+0x449/0x710 [ 7671.197257][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7671.197257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7671.197257][ T7704] ___sys_sendmsg+0xee/0x170 [ 7671.197257][ T7704] __sys_sendmsg+0xcd/0x170 [ 7671.197257][ T7704] do_syscall_64+0xc6/0x1e0 [ 7671.197257][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7671.197257][ T7704] [ 7671.199490][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7671.199490][ T7704] netdev_get_by_index+0x5e/0x80 [ 7671.199490][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7671.199490][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7671.199490][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7671.199490][ T7704] ipv6_add_addr+0x411/0x2000 [ 7671.199490][ T7704] inet6_addr_add+0x30e/0xa40 [ 7671.199490][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7671.199490][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7671.199490][ T7704] netlink_rcv_skb+0x130/0x360 [ 7671.199490][ T7704] netlink_unicast+0x449/0x710 [ 7671.199490][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7671.199490][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7671.199490][ T7704] ___sys_sendmsg+0xee/0x170 [ 7671.199490][ T7704] __sys_sendmsg+0xcd/0x170 [ 7671.199490][ T7704] do_syscall_64+0xc6/0x1e0 [ 7671.199490][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7671.199490][ T7704] [ 7671.201698][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7671.201698][ T7704] netdev_get_by_index+0x5e/0x80 [ 7671.201698][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7671.201698][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7671.201698][ T7704] ip6_route_add+0x1c/0x140 [ 7671.201698][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7671.201698][ T7704] addrconf_add_dev+0xe2/0x170 [ 7671.201698][ T7704] inet6_addr_add+0x12f/0xa40 [ 7671.201698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7671.201698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7671.201698][ T7704] netlink_rcv_skb+0x130/0x360 [ 7671.201698][ T7704] netlink_unicast+0x449/0x710 [ 7671.201698][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7671.201698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7671.201698][ T7704] ___sys_sendmsg+0xee/0x170 [ 7671.201698][ T7704] __sys_sendmsg+0xcd/0x170 [ 7671.201698][ T7704] do_syscall_64+0xc6/0x1e0 [ 7671.201698][ T7704] [ 7671.203867][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7671.203867][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7671.203867][ T7704] ipv6_find_idev+0x102/0x170 [ 7671.203867][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7671.203867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7671.203867][ T7704] netlink_rcv_skb+0x130/0x360 [ 7671.203867][ T7704] netlink_unicast+0x449/0x710 [ 7671.203867][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7671.203867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7671.203867][ T7704] ___sys_sendmsg+0xee/0x170 [ 7671.203867][ T7704] __sys_sendmsg+0xcd/0x170 [ 7671.203867][ T7704] do_syscall_64+0xc6/0x1e0 [ 7671.203867][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7671.203867][ T7704] [ 7671.205682][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7671.205682][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7671.205682][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7671.205682][ T7704] ipv6_find_idev+0x102/0x170 [ 7671.205682][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7671.205682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7671.205682][ T7704] netlink_rcv_skb+0x130/0x360 [ 7671.205682][ T7704] netlink_unicast+0x449/0x710 [ 7671.205682][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7671.205682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7671.205682][ T7704] ___sys_sendmsg+0xee/0x170 [ 7671.205682][ T7704] __sys_sendmsg+0xcd/0x170 [ 7671.205682][ T7704] do_syscall_64+0xc6/0x1e0 [ 7671.205682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7671.205682][ T7704] [ 7681.444759][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7681.445272][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7681.445272][ T7704] netdev_get_by_index+0x5e/0x80 [ 7681.445272][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7681.445272][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7681.445272][ T7704] ip6_route_add+0x1c/0x140 [ 7681.445272][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7681.445272][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7681.445272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7681.445272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7681.445272][ T7704] netlink_rcv_skb+0x130/0x360 [ 7681.445272][ T7704] netlink_unicast+0x449/0x710 [ 7681.445272][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7681.445272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7681.445272][ T7704] ___sys_sendmsg+0xee/0x170 [ 7681.445272][ T7704] __sys_sendmsg+0xcd/0x170 [ 7681.445272][ T7704] do_syscall_64+0xc6/0x1e0 [ 7681.445272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7681.445272][ T7704] [ 7681.447587][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7681.447587][ T7704] netdev_get_by_index+0x5e/0x80 [ 7681.447587][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7681.447587][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7681.447587][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7681.447587][ T7704] ipv6_add_addr+0x411/0x2000 [ 7681.447587][ T7704] inet6_addr_add+0x30e/0xa40 [ 7681.447587][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7681.447587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7681.447587][ T7704] netlink_rcv_skb+0x130/0x360 [ 7681.447587][ T7704] netlink_unicast+0x449/0x710 [ 7681.447587][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7681.447587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7681.447587][ T7704] ___sys_sendmsg+0xee/0x170 [ 7681.447587][ T7704] __sys_sendmsg+0xcd/0x170 [ 7681.447587][ T7704] do_syscall_64+0xc6/0x1e0 [ 7681.447587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7681.447587][ T7704] [ 7681.450468][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7681.450468][ T7704] netdev_get_by_index+0x5e/0x80 [ 7681.450468][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7681.450468][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7681.450468][ T7704] ip6_route_add+0x1c/0x140 [ 7681.450468][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7681.450468][ T7704] addrconf_add_dev+0xe2/0x170 [ 7681.450468][ T7704] inet6_addr_add+0x12f/0xa40 [ 7681.450468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7681.450468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7681.450468][ T7704] netlink_rcv_skb+0x130/0x360 [ 7681.450468][ T7704] netlink_unicast+0x449/0x710 [ 7681.450468][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7681.450468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7681.450468][ T7704] ___sys_sendmsg+0xee/0x170 [ 7681.450468][ T7704] __sys_sendmsg+0xcd/0x170 [ 7681.450468][ T7704] do_syscall_64+0xc6/0x1e0 [ 7681.450468][ T7704] [ 7681.452632][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7681.452632][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7681.452632][ T7704] ipv6_find_idev+0x102/0x170 [ 7681.452632][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7681.452632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7681.452632][ T7704] netlink_rcv_skb+0x130/0x360 [ 7681.452632][ T7704] netlink_unicast+0x449/0x710 [ 7681.452632][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7681.452632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7681.452632][ T7704] ___sys_sendmsg+0xee/0x170 [ 7681.452632][ T7704] __sys_sendmsg+0xcd/0x170 [ 7681.452632][ T7704] do_syscall_64+0xc6/0x1e0 [ 7681.452632][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7681.452632][ T7704] [ 7681.454326][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7681.454326][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7681.454326][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7681.454326][ T7704] ipv6_find_idev+0x102/0x170 [ 7681.454326][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7681.454326][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7681.454326][ T7704] netlink_rcv_skb+0x130/0x360 [ 7681.454326][ T7704] netlink_unicast+0x449/0x710 [ 7681.454326][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7681.454326][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7681.454326][ T7704] ___sys_sendmsg+0xee/0x170 [ 7681.454326][ T7704] __sys_sendmsg+0xcd/0x170 [ 7681.454326][ T7704] do_syscall_64+0xc6/0x1e0 [ 7681.454326][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7681.454326][ T7704] [ 7691.692862][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7691.693331][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7691.693331][ T7704] netdev_get_by_index+0x5e/0x80 [ 7691.693331][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7691.693331][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7691.693331][ T7704] ip6_route_add+0x1c/0x140 [ 7691.693331][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7691.693331][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7691.693331][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7691.693331][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.693331][ T7704] netlink_rcv_skb+0x130/0x360 [ 7691.693331][ T7704] netlink_unicast+0x449/0x710 [ 7691.693331][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7691.693331][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7691.693331][ T7704] ___sys_sendmsg+0xee/0x170 [ 7691.693331][ T7704] __sys_sendmsg+0xcd/0x170 [ 7691.693331][ T7704] do_syscall_64+0xc6/0x1e0 [ 7691.693331][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.693331][ T7704] [ 7691.695646][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7691.695646][ T7704] netdev_get_by_index+0x5e/0x80 [ 7691.695646][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7691.695646][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7691.695646][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7691.695646][ T7704] ipv6_add_addr+0x411/0x2000 [ 7691.695646][ T7704] inet6_addr_add+0x30e/0xa40 [ 7691.695646][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7691.695646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.695646][ T7704] netlink_rcv_skb+0x130/0x360 [ 7691.695646][ T7704] netlink_unicast+0x449/0x710 [ 7691.695646][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7691.695646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7691.695646][ T7704] ___sys_sendmsg+0xee/0x170 [ 7691.695646][ T7704] __sys_sendmsg+0xcd/0x170 [ 7691.695646][ T7704] do_syscall_64+0xc6/0x1e0 [ 7691.695646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.695646][ T7704] [ 7691.697862][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7691.697862][ T7704] netdev_get_by_index+0x5e/0x80 [ 7691.697862][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7691.697862][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7691.697862][ T7704] ip6_route_add+0x1c/0x140 [ 7691.697862][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7691.697862][ T7704] addrconf_add_dev+0xe2/0x170 [ 7691.697862][ T7704] inet6_addr_add+0x12f/0xa40 [ 7691.697862][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7691.697862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.697862][ T7704] netlink_rcv_skb+0x130/0x360 [ 7691.697862][ T7704] netlink_unicast+0x449/0x710 [ 7691.697862][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7691.697862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7691.697862][ T7704] ___sys_sendmsg+0xee/0x170 [ 7691.697862][ T7704] __sys_sendmsg+0xcd/0x170 [ 7691.697862][ T7704] do_syscall_64+0xc6/0x1e0 [ 7691.697862][ T7704] [ 7691.700029][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7691.700029][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7691.700029][ T7704] ipv6_find_idev+0x102/0x170 [ 7691.700029][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7691.700029][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.700029][ T7704] netlink_rcv_skb+0x130/0x360 [ 7691.700029][ T7704] netlink_unicast+0x449/0x710 [ 7691.700029][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7691.700029][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7691.700029][ T7704] ___sys_sendmsg+0xee/0x170 [ 7691.700029][ T7704] __sys_sendmsg+0xcd/0x170 [ 7691.700029][ T7704] do_syscall_64+0xc6/0x1e0 [ 7691.700029][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.700029][ T7704] [ 7691.701741][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7691.701741][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7691.701741][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7691.701741][ T7704] ipv6_find_idev+0x102/0x170 [ 7691.701741][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7691.701741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.701741][ T7704] netlink_rcv_skb+0x130/0x360 [ 7691.701741][ T7704] netlink_unicast+0x449/0x710 [ 7691.701741][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7691.701741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7691.701741][ T7704] ___sys_sendmsg+0xee/0x170 [ 7691.701741][ T7704] __sys_sendmsg+0xcd/0x170 [ 7691.701741][ T7704] do_syscall_64+0xc6/0x1e0 [ 7691.701741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.701741][ T7704] [ 7701.796844][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7701.797330][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7701.797330][ T7704] netdev_get_by_index+0x5e/0x80 [ 7701.797330][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7701.797330][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7701.797330][ T7704] ip6_route_add+0x1c/0x140 [ 7701.797330][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7701.797330][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7701.797330][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7701.797330][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.797330][ T7704] netlink_rcv_skb+0x130/0x360 [ 7701.797330][ T7704] netlink_unicast+0x449/0x710 [ 7701.797330][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7701.797330][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7701.797330][ T7704] ___sys_sendmsg+0xee/0x170 [ 7701.797330][ T7704] __sys_sendmsg+0xcd/0x170 [ 7701.797330][ T7704] do_syscall_64+0xc6/0x1e0 [ 7701.797330][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.797330][ T7704] [ 7701.799559][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7701.799559][ T7704] netdev_get_by_index+0x5e/0x80 [ 7701.799559][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7701.799559][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7701.799559][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7701.799559][ T7704] ipv6_add_addr+0x411/0x2000 [ 7701.799559][ T7704] inet6_addr_add+0x30e/0xa40 [ 7701.799559][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7701.799559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.799559][ T7704] netlink_rcv_skb+0x130/0x360 [ 7701.799559][ T7704] netlink_unicast+0x449/0x710 [ 7701.799559][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7701.799559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7701.799559][ T7704] ___sys_sendmsg+0xee/0x170 [ 7701.799559][ T7704] __sys_sendmsg+0xcd/0x170 [ 7701.799559][ T7704] do_syscall_64+0xc6/0x1e0 [ 7701.799559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.799559][ T7704] [ 7701.801776][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7701.801776][ T7704] netdev_get_by_index+0x5e/0x80 [ 7701.801776][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7701.801776][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7701.801776][ T7704] ip6_route_add+0x1c/0x140 [ 7701.801776][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7701.801776][ T7704] addrconf_add_dev+0xe2/0x170 [ 7701.801776][ T7704] inet6_addr_add+0x12f/0xa40 [ 7701.801776][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7701.801776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.801776][ T7704] netlink_rcv_skb+0x130/0x360 [ 7701.801776][ T7704] netlink_unicast+0x449/0x710 [ 7701.801776][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7701.801776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7701.801776][ T7704] ___sys_sendmsg+0xee/0x170 [ 7701.801776][ T7704] __sys_sendmsg+0xcd/0x170 [ 7701.801776][ T7704] do_syscall_64+0xc6/0x1e0 [ 7701.801776][ T7704] [ 7701.803961][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7701.803961][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7701.803961][ T7704] ipv6_find_idev+0x102/0x170 [ 7701.803961][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7701.803961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.803961][ T7704] netlink_rcv_skb+0x130/0x360 [ 7701.803961][ T7704] netlink_unicast+0x449/0x710 [ 7701.803961][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7701.803961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7701.803961][ T7704] ___sys_sendmsg+0xee/0x170 [ 7701.803961][ T7704] __sys_sendmsg+0xcd/0x170 [ 7701.803961][ T7704] do_syscall_64+0xc6/0x1e0 [ 7701.803961][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.803961][ T7704] [ 7701.805677][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7701.805677][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7701.805677][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7701.805677][ T7704] ipv6_find_idev+0x102/0x170 [ 7701.805677][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7701.805677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.805677][ T7704] netlink_rcv_skb+0x130/0x360 [ 7701.805677][ T7704] netlink_unicast+0x449/0x710 [ 7701.805677][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7701.805677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7701.805677][ T7704] ___sys_sendmsg+0xee/0x170 [ 7701.805677][ T7704] __sys_sendmsg+0xcd/0x170 [ 7701.805677][ T7704] do_syscall_64+0xc6/0x1e0 [ 7701.805677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.805677][ T7704] [ 7711.860817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7711.861244][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7711.861244][ T7704] netdev_get_by_index+0x5e/0x80 [ 7711.861244][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7711.861244][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7711.861244][ T7704] ip6_route_add+0x1c/0x140 [ 7711.861244][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7711.861244][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7711.861244][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7711.861244][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.861244][ T7704] netlink_rcv_skb+0x130/0x360 [ 7711.861244][ T7704] netlink_unicast+0x449/0x710 [ 7711.861244][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7711.861244][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7711.861244][ T7704] ___sys_sendmsg+0xee/0x170 [ 7711.861244][ T7704] __sys_sendmsg+0xcd/0x170 [ 7711.861244][ T7704] do_syscall_64+0xc6/0x1e0 [ 7711.861244][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.861244][ T7704] [ 7711.863489][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7711.863489][ T7704] netdev_get_by_index+0x5e/0x80 [ 7711.863489][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7711.863489][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7711.863489][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7711.863489][ T7704] ipv6_add_addr+0x411/0x2000 [ 7711.863489][ T7704] inet6_addr_add+0x30e/0xa40 [ 7711.863489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7711.863489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.863489][ T7704] netlink_rcv_skb+0x130/0x360 [ 7711.863489][ T7704] netlink_unicast+0x449/0x710 [ 7711.863489][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7711.863489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7711.863489][ T7704] ___sys_sendmsg+0xee/0x170 [ 7711.863489][ T7704] __sys_sendmsg+0xcd/0x170 [ 7711.863489][ T7704] do_syscall_64+0xc6/0x1e0 [ 7711.863489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.863489][ T7704] [ 7711.865740][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7711.865740][ T7704] netdev_get_by_index+0x5e/0x80 [ 7711.865740][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7711.865740][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7711.865740][ T7704] ip6_route_add+0x1c/0x140 [ 7711.865740][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7711.865740][ T7704] addrconf_add_dev+0xe2/0x170 [ 7711.865740][ T7704] inet6_addr_add+0x12f/0xa40 [ 7711.865740][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7711.865740][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.865740][ T7704] netlink_rcv_skb+0x130/0x360 [ 7711.865740][ T7704] netlink_unicast+0x449/0x710 [ 7711.865740][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7711.865740][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7711.865740][ T7704] ___sys_sendmsg+0xee/0x170 [ 7711.865740][ T7704] __sys_sendmsg+0xcd/0x170 [ 7711.865740][ T7704] do_syscall_64+0xc6/0x1e0 [ 7711.865740][ T7704] [ 7711.867926][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7711.867926][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7711.867926][ T7704] ipv6_find_idev+0x102/0x170 [ 7711.867926][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7711.867926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.867926][ T7704] netlink_rcv_skb+0x130/0x360 [ 7711.867926][ T7704] netlink_unicast+0x449/0x710 [ 7711.867926][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7711.867926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7711.867926][ T7704] ___sys_sendmsg+0xee/0x170 [ 7711.867926][ T7704] __sys_sendmsg+0xcd/0x170 [ 7711.867926][ T7704] do_syscall_64+0xc6/0x1e0 [ 7711.867926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.867926][ T7704] [ 7711.869638][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7711.869638][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7711.869638][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7711.869638][ T7704] ipv6_find_idev+0x102/0x170 [ 7711.869638][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7711.869638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.869638][ T7704] netlink_rcv_skb+0x130/0x360 [ 7711.869638][ T7704] netlink_unicast+0x449/0x710 [ 7711.869638][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7711.869638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7711.869638][ T7704] ___sys_sendmsg+0xee/0x170 [ 7711.869638][ T7704] __sys_sendmsg+0xcd/0x170 [ 7711.869638][ T7704] do_syscall_64+0xc6/0x1e0 [ 7711.869638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.869638][ T7704] [ 7722.116834][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7722.117313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7722.117313][ T7704] netdev_get_by_index+0x5e/0x80 [ 7722.117313][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7722.117313][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7722.117313][ T7704] ip6_route_add+0x1c/0x140 [ 7722.117313][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7722.117313][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7722.117313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7722.117313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7722.117313][ T7704] netlink_rcv_skb+0x130/0x360 [ 7722.117313][ T7704] netlink_unicast+0x449/0x710 [ 7722.117313][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7722.117313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7722.117313][ T7704] ___sys_sendmsg+0xee/0x170 [ 7722.117313][ T7704] __sys_sendmsg+0xcd/0x170 [ 7722.117313][ T7704] do_syscall_64+0xc6/0x1e0 [ 7722.117313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7722.117313][ T7704] [ 7722.119545][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7722.119545][ T7704] netdev_get_by_index+0x5e/0x80 [ 7722.119545][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7722.119545][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7722.119545][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7722.119545][ T7704] ipv6_add_addr+0x411/0x2000 [ 7722.119545][ T7704] inet6_addr_add+0x30e/0xa40 [ 7722.119545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7722.119545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7722.119545][ T7704] netlink_rcv_skb+0x130/0x360 [ 7722.119545][ T7704] netlink_unicast+0x449/0x710 [ 7722.119545][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7722.119545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7722.119545][ T7704] ___sys_sendmsg+0xee/0x170 [ 7722.119545][ T7704] __sys_sendmsg+0xcd/0x170 [ 7722.119545][ T7704] do_syscall_64+0xc6/0x1e0 [ 7722.119545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7722.119545][ T7704] [ 7722.121756][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7722.121756][ T7704] netdev_get_by_index+0x5e/0x80 [ 7722.121756][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7722.121756][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7722.121756][ T7704] ip6_route_add+0x1c/0x140 [ 7722.121756][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7722.121756][ T7704] addrconf_add_dev+0xe2/0x170 [ 7722.121756][ T7704] inet6_addr_add+0x12f/0xa40 [ 7722.121756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7722.121756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7722.121756][ T7704] netlink_rcv_skb+0x130/0x360 [ 7722.121756][ T7704] netlink_unicast+0x449/0x710 [ 7722.121756][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7722.121756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7722.121756][ T7704] ___sys_sendmsg+0xee/0x170 [ 7722.121756][ T7704] __sys_sendmsg+0xcd/0x170 [ 7722.121756][ T7704] do_syscall_64+0xc6/0x1e0 [ 7722.121756][ T7704] [ 7722.123935][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7722.123935][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7722.123935][ T7704] ipv6_find_idev+0x102/0x170 [ 7722.123935][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7722.123935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7722.123935][ T7704] netlink_rcv_skb+0x130/0x360 [ 7722.123935][ T7704] netlink_unicast+0x449/0x710 [ 7722.123935][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7722.123935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7722.123935][ T7704] ___sys_sendmsg+0xee/0x170 [ 7722.123935][ T7704] __sys_sendmsg+0xcd/0x170 [ 7722.123935][ T7704] do_syscall_64+0xc6/0x1e0 [ 7722.123935][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7722.123935][ T7704] [ 7722.125726][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7722.125726][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7722.125726][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7722.125726][ T7704] ipv6_find_idev+0x102/0x170 [ 7722.125726][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7722.125726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7722.125726][ T7704] netlink_rcv_skb+0x130/0x360 [ 7722.125726][ T7704] netlink_unicast+0x449/0x710 [ 7722.125726][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7722.125726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7722.125726][ T7704] ___sys_sendmsg+0xee/0x170 [ 7722.125726][ T7704] __sys_sendmsg+0xcd/0x170 [ 7722.125726][ T7704] do_syscall_64+0xc6/0x1e0 [ 7722.125726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7722.125726][ T7704] [ 7732.372776][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7732.373443][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7732.373443][ T7704] netdev_get_by_index+0x5e/0x80 [ 7732.373443][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7732.373443][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7732.373443][ T7704] ip6_route_add+0x1c/0x140 [ 7732.373443][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7732.373443][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7732.373443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7732.373443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7732.373443][ T7704] netlink_rcv_skb+0x130/0x360 [ 7732.373443][ T7704] netlink_unicast+0x449/0x710 [ 7732.373443][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7732.373443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7732.373443][ T7704] ___sys_sendmsg+0xee/0x170 [ 7732.373443][ T7704] __sys_sendmsg+0xcd/0x170 [ 7732.373443][ T7704] do_syscall_64+0xc6/0x1e0 [ 7732.373443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7732.373443][ T7704] [ 7732.376916][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7732.376916][ T7704] netdev_get_by_index+0x5e/0x80 [ 7732.376916][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7732.376916][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7732.376916][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7732.376916][ T7704] ipv6_add_addr+0x411/0x2000 [ 7732.376916][ T7704] inet6_addr_add+0x30e/0xa40 [ 7732.376916][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7732.376916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7732.376916][ T7704] netlink_rcv_skb+0x130/0x360 [ 7732.376916][ T7704] netlink_unicast+0x449/0x710 [ 7732.376916][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7732.376916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7732.376916][ T7704] ___sys_sendmsg+0xee/0x170 [ 7732.376916][ T7704] __sys_sendmsg+0xcd/0x170 [ 7732.376916][ T7704] do_syscall_64+0xc6/0x1e0 [ 7732.376916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7732.376916][ T7704] [ 7732.380367][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7732.380367][ T7704] netdev_get_by_index+0x5e/0x80 [ 7732.380367][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7732.380367][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7732.380367][ T7704] ip6_route_add+0x1c/0x140 [ 7732.380367][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7732.380367][ T7704] addrconf_add_dev+0xe2/0x170 [ 7732.380367][ T7704] inet6_addr_add+0x12f/0xa40 [ 7732.380367][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7732.380367][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7732.380367][ T7704] netlink_rcv_skb+0x130/0x360 [ 7732.380367][ T7704] netlink_unicast+0x449/0x710 [ 7732.380367][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7732.380367][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7732.380367][ T7704] ___sys_sendmsg+0xee/0x170 [ 7732.380367][ T7704] __sys_sendmsg+0xcd/0x170 [ 7732.380367][ T7704] do_syscall_64+0xc6/0x1e0 [ 7732.380367][ T7704] [ 7732.383864][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7732.383864][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7732.383864][ T7704] ipv6_find_idev+0x102/0x170 [ 7732.383864][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7732.383864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7732.383864][ T7704] netlink_rcv_skb+0x130/0x360 [ 7732.383864][ T7704] netlink_unicast+0x449/0x710 [ 7732.383864][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7732.383864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7732.383864][ T7704] ___sys_sendmsg+0xee/0x170 [ 7732.383864][ T7704] __sys_sendmsg+0xcd/0x170 [ 7732.383864][ T7704] do_syscall_64+0xc6/0x1e0 [ 7732.383864][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7732.383864][ T7704] [ 7732.386591][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7732.386591][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7732.386591][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7732.386591][ T7704] ipv6_find_idev+0x102/0x170 [ 7732.386591][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7732.386591][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7732.386591][ T7704] netlink_rcv_skb+0x130/0x360 [ 7732.386591][ T7704] netlink_unicast+0x449/0x710 [ 7732.386591][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7732.386591][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7732.386591][ T7704] ___sys_sendmsg+0xee/0x170 [ 7732.386591][ T7704] __sys_sendmsg+0xcd/0x170 [ 7732.386591][ T7704] do_syscall_64+0xc6/0x1e0 [ 7732.386591][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7732.386591][ T7704] [ 7742.636743][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7742.637276][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7742.637276][ T7704] netdev_get_by_index+0x5e/0x80 [ 7742.637276][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7742.637276][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7742.637276][ T7704] ip6_route_add+0x1c/0x140 [ 7742.637276][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7742.637276][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7742.637276][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7742.637276][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.637276][ T7704] netlink_rcv_skb+0x130/0x360 [ 7742.637276][ T7704] netlink_unicast+0x449/0x710 [ 7742.637276][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7742.637276][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7742.637276][ T7704] ___sys_sendmsg+0xee/0x170 [ 7742.637276][ T7704] __sys_sendmsg+0xcd/0x170 [ 7742.637276][ T7704] do_syscall_64+0xc6/0x1e0 [ 7742.637276][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.637276][ T7704] [ 7742.639598][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7742.639598][ T7704] netdev_get_by_index+0x5e/0x80 [ 7742.639598][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7742.639598][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7742.639598][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7742.639598][ T7704] ipv6_add_addr+0x411/0x2000 [ 7742.639598][ T7704] inet6_addr_add+0x30e/0xa40 [ 7742.639598][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7742.639598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.639598][ T7704] netlink_rcv_skb+0x130/0x360 [ 7742.639598][ T7704] netlink_unicast+0x449/0x710 [ 7742.639598][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7742.639598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7742.639598][ T7704] ___sys_sendmsg+0xee/0x170 [ 7742.639598][ T7704] __sys_sendmsg+0xcd/0x170 [ 7742.639598][ T7704] do_syscall_64+0xc6/0x1e0 [ 7742.639598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.639598][ T7704] [ 7742.641899][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7742.641899][ T7704] netdev_get_by_index+0x5e/0x80 [ 7742.641899][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7742.641899][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7742.641899][ T7704] ip6_route_add+0x1c/0x140 [ 7742.641899][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7742.641899][ T7704] addrconf_add_dev+0xe2/0x170 [ 7742.641899][ T7704] inet6_addr_add+0x12f/0xa40 [ 7742.641899][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7742.641899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.641899][ T7704] netlink_rcv_skb+0x130/0x360 [ 7742.641899][ T7704] netlink_unicast+0x449/0x710 [ 7742.641899][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7742.641899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7742.641899][ T7704] ___sys_sendmsg+0xee/0x170 [ 7742.641899][ T7704] __sys_sendmsg+0xcd/0x170 [ 7742.641899][ T7704] do_syscall_64+0xc6/0x1e0 [ 7742.641899][ T7704] [ 7742.644120][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7742.644120][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7742.644120][ T7704] ipv6_find_idev+0x102/0x170 [ 7742.644120][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7742.644120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.644120][ T7704] netlink_rcv_skb+0x130/0x360 [ 7742.644120][ T7704] netlink_unicast+0x449/0x710 [ 7742.644120][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7742.644120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7742.644120][ T7704] ___sys_sendmsg+0xee/0x170 [ 7742.644120][ T7704] __sys_sendmsg+0xcd/0x170 [ 7742.644120][ T7704] do_syscall_64+0xc6/0x1e0 [ 7742.644120][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.644120][ T7704] [ 7742.646007][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7742.646007][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7742.646007][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7742.646007][ T7704] ipv6_find_idev+0x102/0x170 [ 7742.646007][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7742.646007][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.646007][ T7704] netlink_rcv_skb+0x130/0x360 [ 7742.646007][ T7704] netlink_unicast+0x449/0x710 [ 7742.646007][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7742.646007][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7742.646007][ T7704] ___sys_sendmsg+0xee/0x170 [ 7742.646007][ T7704] __sys_sendmsg+0xcd/0x170 [ 7742.646007][ T7704] do_syscall_64+0xc6/0x1e0 [ 7742.646007][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.646007][ T7704] [ 7752.860797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7752.861278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7752.861278][ T7704] netdev_get_by_index+0x5e/0x80 [ 7752.861278][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7752.861278][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7752.861278][ T7704] ip6_route_add+0x1c/0x140 [ 7752.861278][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7752.861278][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7752.861278][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7752.861278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.861278][ T7704] netlink_rcv_skb+0x130/0x360 [ 7752.861278][ T7704] netlink_unicast+0x449/0x710 [ 7752.861278][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7752.861278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7752.861278][ T7704] ___sys_sendmsg+0xee/0x170 [ 7752.861278][ T7704] __sys_sendmsg+0xcd/0x170 [ 7752.861278][ T7704] do_syscall_64+0xc6/0x1e0 [ 7752.861278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.861278][ T7704] [ 7752.863554][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7752.863554][ T7704] netdev_get_by_index+0x5e/0x80 [ 7752.863554][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7752.863554][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7752.863554][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7752.863554][ T7704] ipv6_add_addr+0x411/0x2000 [ 7752.863554][ T7704] inet6_addr_add+0x30e/0xa40 [ 7752.863554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7752.863554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.863554][ T7704] netlink_rcv_skb+0x130/0x360 [ 7752.863554][ T7704] netlink_unicast+0x449/0x710 [ 7752.863554][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7752.863554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7752.863554][ T7704] ___sys_sendmsg+0xee/0x170 [ 7752.863554][ T7704] __sys_sendmsg+0xcd/0x170 [ 7752.863554][ T7704] do_syscall_64+0xc6/0x1e0 [ 7752.863554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.863554][ T7704] [ 7752.865820][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7752.865820][ T7704] netdev_get_by_index+0x5e/0x80 [ 7752.865820][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7752.865820][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7752.865820][ T7704] ip6_route_add+0x1c/0x140 [ 7752.865820][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7752.865820][ T7704] addrconf_add_dev+0xe2/0x170 [ 7752.865820][ T7704] inet6_addr_add+0x12f/0xa40 [ 7752.865820][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7752.865820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.865820][ T7704] netlink_rcv_skb+0x130/0x360 [ 7752.865820][ T7704] netlink_unicast+0x449/0x710 [ 7752.865820][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7752.865820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7752.865820][ T7704] ___sys_sendmsg+0xee/0x170 [ 7752.865820][ T7704] __sys_sendmsg+0xcd/0x170 [ 7752.865820][ T7704] do_syscall_64+0xc6/0x1e0 [ 7752.865820][ T7704] [ 7752.868012][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7752.868012][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7752.868012][ T7704] ipv6_find_idev+0x102/0x170 [ 7752.868012][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7752.868012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.868012][ T7704] netlink_rcv_skb+0x130/0x360 [ 7752.868012][ T7704] netlink_unicast+0x449/0x710 [ 7752.868012][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7752.868012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7752.868012][ T7704] ___sys_sendmsg+0xee/0x170 [ 7752.868012][ T7704] __sys_sendmsg+0xcd/0x170 [ 7752.868012][ T7704] do_syscall_64+0xc6/0x1e0 [ 7752.868012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.868012][ T7704] [ 7752.869736][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7752.869736][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7752.869736][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7752.869736][ T7704] ipv6_find_idev+0x102/0x170 [ 7752.869736][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7752.869736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.869736][ T7704] netlink_rcv_skb+0x130/0x360 [ 7752.869736][ T7704] netlink_unicast+0x449/0x710 [ 7752.869736][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7752.869736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7752.869736][ T7704] ___sys_sendmsg+0xee/0x170 [ 7752.869736][ T7704] __sys_sendmsg+0xcd/0x170 [ 7752.869736][ T7704] do_syscall_64+0xc6/0x1e0 [ 7752.869736][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.869736][ T7704] [ 7763.108760][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7763.109308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7763.109308][ T7704] netdev_get_by_index+0x5e/0x80 [ 7763.109308][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7763.109308][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7763.109308][ T7704] ip6_route_add+0x1c/0x140 [ 7763.109308][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7763.109308][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7763.109308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7763.109308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7763.109308][ T7704] netlink_rcv_skb+0x130/0x360 [ 7763.109308][ T7704] netlink_unicast+0x449/0x710 [ 7763.109308][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7763.109308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7763.109308][ T7704] ___sys_sendmsg+0xee/0x170 [ 7763.109308][ T7704] __sys_sendmsg+0xcd/0x170 [ 7763.109308][ T7704] do_syscall_64+0xc6/0x1e0 [ 7763.109308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7763.109308][ T7704] [ 7763.111694][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7763.111694][ T7704] netdev_get_by_index+0x5e/0x80 [ 7763.111694][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7763.111694][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7763.111694][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7763.111694][ T7704] ipv6_add_addr+0x411/0x2000 [ 7763.111694][ T7704] inet6_addr_add+0x30e/0xa40 [ 7763.111694][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7763.111694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7763.111694][ T7704] netlink_rcv_skb+0x130/0x360 [ 7763.111694][ T7704] netlink_unicast+0x449/0x710 [ 7763.111694][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7763.111694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7763.111694][ T7704] ___sys_sendmsg+0xee/0x170 [ 7763.111694][ T7704] __sys_sendmsg+0xcd/0x170 [ 7763.111694][ T7704] do_syscall_64+0xc6/0x1e0 [ 7763.111694][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7763.111694][ T7704] [ 7763.114035][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7763.114035][ T7704] netdev_get_by_index+0x5e/0x80 [ 7763.114035][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7763.114035][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7763.114035][ T7704] ip6_route_add+0x1c/0x140 [ 7763.114035][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7763.114035][ T7704] addrconf_add_dev+0xe2/0x170 [ 7763.114035][ T7704] inet6_addr_add+0x12f/0xa40 [ 7763.114035][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7763.114035][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7763.114035][ T7704] netlink_rcv_skb+0x130/0x360 [ 7763.114035][ T7704] netlink_unicast+0x449/0x710 [ 7763.114035][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7763.114035][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7763.114035][ T7704] ___sys_sendmsg+0xee/0x170 [ 7763.114035][ T7704] __sys_sendmsg+0xcd/0x170 [ 7763.114035][ T7704] do_syscall_64+0xc6/0x1e0 [ 7763.114035][ T7704] [ 7763.116258][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7763.116258][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7763.116258][ T7704] ipv6_find_idev+0x102/0x170 [ 7763.116258][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7763.116258][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7763.116258][ T7704] netlink_rcv_skb+0x130/0x360 [ 7763.116258][ T7704] netlink_unicast+0x449/0x710 [ 7763.116258][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7763.116258][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7763.116258][ T7704] ___sys_sendmsg+0xee/0x170 [ 7763.116258][ T7704] __sys_sendmsg+0xcd/0x170 [ 7763.116258][ T7704] do_syscall_64+0xc6/0x1e0 [ 7763.116258][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7763.116258][ T7704] [ 7763.117969][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7763.117969][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7763.117969][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7763.117969][ T7704] ipv6_find_idev+0x102/0x170 [ 7763.117969][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7763.117969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7763.117969][ T7704] netlink_rcv_skb+0x130/0x360 [ 7763.117969][ T7704] netlink_unicast+0x449/0x710 [ 7763.117969][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7763.117969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7763.117969][ T7704] ___sys_sendmsg+0xee/0x170 [ 7763.117969][ T7704] __sys_sendmsg+0xcd/0x170 [ 7763.117969][ T7704] do_syscall_64+0xc6/0x1e0 [ 7763.117969][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7763.117969][ T7704] [ 7773.356752][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7773.357266][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7773.357266][ T7704] netdev_get_by_index+0x5e/0x80 [ 7773.357266][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7773.357266][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7773.357266][ T7704] ip6_route_add+0x1c/0x140 [ 7773.357266][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7773.357266][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7773.357266][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7773.357266][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7773.357266][ T7704] netlink_rcv_skb+0x130/0x360 [ 7773.357266][ T7704] netlink_unicast+0x449/0x710 [ 7773.357266][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7773.357266][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7773.357266][ T7704] ___sys_sendmsg+0xee/0x170 [ 7773.357266][ T7704] __sys_sendmsg+0xcd/0x170 [ 7773.357266][ T7704] do_syscall_64+0xc6/0x1e0 [ 7773.357266][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7773.357266][ T7704] [ 7773.359618][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7773.359618][ T7704] netdev_get_by_index+0x5e/0x80 [ 7773.359618][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7773.359618][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7773.359618][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7773.359618][ T7704] ipv6_add_addr+0x411/0x2000 [ 7773.359618][ T7704] inet6_addr_add+0x30e/0xa40 [ 7773.359618][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7773.359618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7773.359618][ T7704] netlink_rcv_skb+0x130/0x360 [ 7773.359618][ T7704] netlink_unicast+0x449/0x710 [ 7773.359618][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7773.359618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7773.359618][ T7704] ___sys_sendmsg+0xee/0x170 [ 7773.359618][ T7704] __sys_sendmsg+0xcd/0x170 [ 7773.359618][ T7704] do_syscall_64+0xc6/0x1e0 [ 7773.359618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7773.359618][ T7704] [ 7773.361968][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7773.361968][ T7704] netdev_get_by_index+0x5e/0x80 [ 7773.361968][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7773.361968][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7773.361968][ T7704] ip6_route_add+0x1c/0x140 [ 7773.361968][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7773.361968][ T7704] addrconf_add_dev+0xe2/0x170 [ 7773.361968][ T7704] inet6_addr_add+0x12f/0xa40 [ 7773.361968][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7773.361968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7773.361968][ T7704] netlink_rcv_skb+0x130/0x360 [ 7773.361968][ T7704] netlink_unicast+0x449/0x710 [ 7773.361968][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7773.361968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7773.361968][ T7704] ___sys_sendmsg+0xee/0x170 [ 7773.361968][ T7704] __sys_sendmsg+0xcd/0x170 [ 7773.361968][ T7704] do_syscall_64+0xc6/0x1e0 [ 7773.361968][ T7704] [ 7773.364227][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7773.364227][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7773.364227][ T7704] ipv6_find_idev+0x102/0x170 [ 7773.364227][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7773.364227][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7773.364227][ T7704] netlink_rcv_skb+0x130/0x360 [ 7773.364227][ T7704] netlink_unicast+0x449/0x710 [ 7773.364227][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7773.364227][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7773.364227][ T7704] ___sys_sendmsg+0xee/0x170 [ 7773.364227][ T7704] __sys_sendmsg+0xcd/0x170 [ 7773.364227][ T7704] do_syscall_64+0xc6/0x1e0 [ 7773.364227][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7773.364227][ T7704] [ 7773.366036][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7773.366036][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7773.366036][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7773.366036][ T7704] ipv6_find_idev+0x102/0x170 [ 7773.366036][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7773.366036][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7773.366036][ T7704] netlink_rcv_skb+0x130/0x360 [ 7773.366036][ T7704] netlink_unicast+0x449/0x710 [ 7773.366036][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7773.366036][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7773.366036][ T7704] ___sys_sendmsg+0xee/0x170 [ 7773.366036][ T7704] __sys_sendmsg+0xcd/0x170 [ 7773.366036][ T7704] do_syscall_64+0xc6/0x1e0 [ 7773.366036][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7773.366036][ T7704] [ 7783.604768][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7783.605243][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7783.605243][ T7704] netdev_get_by_index+0x5e/0x80 [ 7783.605243][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7783.605243][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7783.605243][ T7704] ip6_route_add+0x1c/0x140 [ 7783.605243][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7783.605243][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7783.605243][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7783.605243][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7783.605243][ T7704] netlink_rcv_skb+0x130/0x360 [ 7783.605243][ T7704] netlink_unicast+0x449/0x710 [ 7783.605243][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7783.605243][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7783.605243][ T7704] ___sys_sendmsg+0xee/0x170 [ 7783.605243][ T7704] __sys_sendmsg+0xcd/0x170 [ 7783.605243][ T7704] do_syscall_64+0xc6/0x1e0 [ 7783.605243][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7783.605243][ T7704] [ 7783.607657][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7783.607657][ T7704] netdev_get_by_index+0x5e/0x80 [ 7783.607657][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7783.607657][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7783.607657][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7783.607657][ T7704] ipv6_add_addr+0x411/0x2000 [ 7783.607657][ T7704] inet6_addr_add+0x30e/0xa40 [ 7783.607657][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7783.607657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7783.607657][ T7704] netlink_rcv_skb+0x130/0x360 [ 7783.607657][ T7704] netlink_unicast+0x449/0x710 [ 7783.607657][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7783.607657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7783.607657][ T7704] ___sys_sendmsg+0xee/0x170 [ 7783.607657][ T7704] __sys_sendmsg+0xcd/0x170 [ 7783.607657][ T7704] do_syscall_64+0xc6/0x1e0 [ 7783.607657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7783.607657][ T7704] [ 7783.609990][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7783.609990][ T7704] netdev_get_by_index+0x5e/0x80 [ 7783.609990][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7783.609990][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7783.609990][ T7704] ip6_route_add+0x1c/0x140 [ 7783.609990][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7783.609990][ T7704] addrconf_add_dev+0xe2/0x170 [ 7783.609990][ T7704] inet6_addr_add+0x12f/0xa40 [ 7783.609990][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7783.609990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7783.609990][ T7704] netlink_rcv_skb+0x130/0x360 [ 7783.609990][ T7704] netlink_unicast+0x449/0x710 [ 7783.609990][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7783.609990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7783.609990][ T7704] ___sys_sendmsg+0xee/0x170 [ 7783.609990][ T7704] __sys_sendmsg+0xcd/0x170 [ 7783.609990][ T7704] do_syscall_64+0xc6/0x1e0 [ 7783.609990][ T7704] [ 7783.612320][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7783.612320][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7783.612320][ T7704] ipv6_find_idev+0x102/0x170 [ 7783.612320][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7783.612320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7783.612320][ T7704] netlink_rcv_skb+0x130/0x360 [ 7783.612320][ T7704] netlink_unicast+0x449/0x710 [ 7783.612320][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7783.612320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7783.612320][ T7704] ___sys_sendmsg+0xee/0x170 [ 7783.612320][ T7704] __sys_sendmsg+0xcd/0x170 [ 7783.612320][ T7704] do_syscall_64+0xc6/0x1e0 [ 7783.612320][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7783.612320][ T7704] [ 7783.614129][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7783.614129][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7783.614129][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7783.614129][ T7704] ipv6_find_idev+0x102/0x170 [ 7783.614129][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7783.614129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7783.614129][ T7704] netlink_rcv_skb+0x130/0x360 [ 7783.614129][ T7704] netlink_unicast+0x449/0x710 [ 7783.614129][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7783.614129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7783.614129][ T7704] ___sys_sendmsg+0xee/0x170 [ 7783.614129][ T7704] __sys_sendmsg+0xcd/0x170 [ 7783.614129][ T7704] do_syscall_64+0xc6/0x1e0 [ 7783.614129][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7783.614129][ T7704] [ 7793.852815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7793.853295][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7793.853295][ T7704] netdev_get_by_index+0x5e/0x80 [ 7793.853295][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7793.853295][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7793.853295][ T7704] ip6_route_add+0x1c/0x140 [ 7793.853295][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7793.853295][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7793.853295][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7793.853295][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7793.853295][ T7704] netlink_rcv_skb+0x130/0x360 [ 7793.853295][ T7704] netlink_unicast+0x449/0x710 [ 7793.853295][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7793.853295][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7793.853295][ T7704] ___sys_sendmsg+0xee/0x170 [ 7793.853295][ T7704] __sys_sendmsg+0xcd/0x170 [ 7793.853295][ T7704] do_syscall_64+0xc6/0x1e0 [ 7793.853295][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7793.853295][ T7704] [ 7793.855543][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7793.855543][ T7704] netdev_get_by_index+0x5e/0x80 [ 7793.855543][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7793.855543][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7793.855543][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7793.855543][ T7704] ipv6_add_addr+0x411/0x2000 [ 7793.855543][ T7704] inet6_addr_add+0x30e/0xa40 [ 7793.855543][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7793.855543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7793.855543][ T7704] netlink_rcv_skb+0x130/0x360 [ 7793.855543][ T7704] netlink_unicast+0x449/0x710 [ 7793.855543][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7793.855543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7793.855543][ T7704] ___sys_sendmsg+0xee/0x170 [ 7793.855543][ T7704] __sys_sendmsg+0xcd/0x170 [ 7793.855543][ T7704] do_syscall_64+0xc6/0x1e0 [ 7793.855543][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7793.855543][ T7704] [ 7793.857751][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7793.857751][ T7704] netdev_get_by_index+0x5e/0x80 [ 7793.857751][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7793.857751][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7793.857751][ T7704] ip6_route_add+0x1c/0x140 [ 7793.857751][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7793.857751][ T7704] addrconf_add_dev+0xe2/0x170 [ 7793.857751][ T7704] inet6_addr_add+0x12f/0xa40 [ 7793.857751][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7793.857751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7793.857751][ T7704] netlink_rcv_skb+0x130/0x360 [ 7793.857751][ T7704] netlink_unicast+0x449/0x710 [ 7793.857751][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7793.857751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7793.857751][ T7704] ___sys_sendmsg+0xee/0x170 [ 7793.857751][ T7704] __sys_sendmsg+0xcd/0x170 [ 7793.857751][ T7704] do_syscall_64+0xc6/0x1e0 [ 7793.857751][ T7704] [ 7793.859921][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7793.859921][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7793.859921][ T7704] ipv6_find_idev+0x102/0x170 [ 7793.859921][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7793.859921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7793.859921][ T7704] netlink_rcv_skb+0x130/0x360 [ 7793.859921][ T7704] netlink_unicast+0x449/0x710 [ 7793.859921][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7793.859921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7793.859921][ T7704] ___sys_sendmsg+0xee/0x170 [ 7793.859921][ T7704] __sys_sendmsg+0xcd/0x170 [ 7793.859921][ T7704] do_syscall_64+0xc6/0x1e0 [ 7793.859921][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7793.859921][ T7704] [ 7793.861624][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7793.861624][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7793.861624][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7793.861624][ T7704] ipv6_find_idev+0x102/0x170 [ 7793.861624][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7793.861624][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7793.861624][ T7704] netlink_rcv_skb+0x130/0x360 [ 7793.861624][ T7704] netlink_unicast+0x449/0x710 [ 7793.861624][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7793.861624][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7793.861624][ T7704] ___sys_sendmsg+0xee/0x170 [ 7793.861624][ T7704] __sys_sendmsg+0xcd/0x170 [ 7793.861624][ T7704] do_syscall_64+0xc6/0x1e0 [ 7793.861624][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7793.861624][ T7704] [ 7803.892814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7803.893309][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7803.893309][ T7704] netdev_get_by_index+0x5e/0x80 [ 7803.893309][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7803.893309][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7803.893309][ T7704] ip6_route_add+0x1c/0x140 [ 7803.893309][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7803.893309][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7803.893309][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7803.893309][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.893309][ T7704] netlink_rcv_skb+0x130/0x360 [ 7803.893309][ T7704] netlink_unicast+0x449/0x710 [ 7803.893309][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7803.893309][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7803.893309][ T7704] ___sys_sendmsg+0xee/0x170 [ 7803.893309][ T7704] __sys_sendmsg+0xcd/0x170 [ 7803.893309][ T7704] do_syscall_64+0xc6/0x1e0 [ 7803.893309][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.893309][ T7704] [ 7803.895565][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7803.895565][ T7704] netdev_get_by_index+0x5e/0x80 [ 7803.895565][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7803.895565][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7803.895565][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7803.895565][ T7704] ipv6_add_addr+0x411/0x2000 [ 7803.895565][ T7704] inet6_addr_add+0x30e/0xa40 [ 7803.895565][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7803.895565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.895565][ T7704] netlink_rcv_skb+0x130/0x360 [ 7803.895565][ T7704] netlink_unicast+0x449/0x710 [ 7803.895565][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7803.895565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7803.895565][ T7704] ___sys_sendmsg+0xee/0x170 [ 7803.895565][ T7704] __sys_sendmsg+0xcd/0x170 [ 7803.895565][ T7704] do_syscall_64+0xc6/0x1e0 [ 7803.895565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.895565][ T7704] [ 7803.897795][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7803.897795][ T7704] netdev_get_by_index+0x5e/0x80 [ 7803.897795][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7803.897795][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7803.897795][ T7704] ip6_route_add+0x1c/0x140 [ 7803.897795][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7803.897795][ T7704] addrconf_add_dev+0xe2/0x170 [ 7803.897795][ T7704] inet6_addr_add+0x12f/0xa40 [ 7803.897795][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7803.897795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.897795][ T7704] netlink_rcv_skb+0x130/0x360 [ 7803.897795][ T7704] netlink_unicast+0x449/0x710 [ 7803.897795][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7803.897795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7803.897795][ T7704] ___sys_sendmsg+0xee/0x170 [ 7803.897795][ T7704] __sys_sendmsg+0xcd/0x170 [ 7803.897795][ T7704] do_syscall_64+0xc6/0x1e0 [ 7803.897795][ T7704] [ 7803.899964][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7803.899964][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7803.899964][ T7704] ipv6_find_idev+0x102/0x170 [ 7803.899964][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7803.899964][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.899964][ T7704] netlink_rcv_skb+0x130/0x360 [ 7803.899964][ T7704] netlink_unicast+0x449/0x710 [ 7803.899964][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7803.899964][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7803.899964][ T7704] ___sys_sendmsg+0xee/0x170 [ 7803.899964][ T7704] __sys_sendmsg+0xcd/0x170 [ 7803.899964][ T7704] do_syscall_64+0xc6/0x1e0 [ 7803.899964][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.899964][ T7704] [ 7803.901679][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7803.901679][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7803.901679][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7803.901679][ T7704] ipv6_find_idev+0x102/0x170 [ 7803.901679][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7803.901679][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.901679][ T7704] netlink_rcv_skb+0x130/0x360 [ 7803.901679][ T7704] netlink_unicast+0x449/0x710 [ 7803.901679][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7803.901679][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7803.901679][ T7704] ___sys_sendmsg+0xee/0x170 [ 7803.901679][ T7704] __sys_sendmsg+0xcd/0x170 [ 7803.901679][ T7704] do_syscall_64+0xc6/0x1e0 [ 7803.901679][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.901679][ T7704] [ 7814.140830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7814.141333][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7814.141333][ T7704] netdev_get_by_index+0x5e/0x80 [ 7814.141333][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7814.141333][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7814.141333][ T7704] ip6_route_add+0x1c/0x140 [ 7814.141333][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7814.141333][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7814.141333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7814.141333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7814.141333][ T7704] netlink_rcv_skb+0x130/0x360 [ 7814.141333][ T7704] netlink_unicast+0x449/0x710 [ 7814.141333][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7814.141333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7814.141333][ T7704] ___sys_sendmsg+0xee/0x170 [ 7814.141333][ T7704] __sys_sendmsg+0xcd/0x170 [ 7814.141333][ T7704] do_syscall_64+0xc6/0x1e0 [ 7814.141333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7814.141333][ T7704] [ 7814.143574][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7814.143574][ T7704] netdev_get_by_index+0x5e/0x80 [ 7814.143574][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7814.143574][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7814.143574][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7814.143574][ T7704] ipv6_add_addr+0x411/0x2000 [ 7814.143574][ T7704] inet6_addr_add+0x30e/0xa40 [ 7814.143574][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7814.143574][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7814.143574][ T7704] netlink_rcv_skb+0x130/0x360 [ 7814.143574][ T7704] netlink_unicast+0x449/0x710 [ 7814.143574][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7814.143574][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7814.143574][ T7704] ___sys_sendmsg+0xee/0x170 [ 7814.143574][ T7704] __sys_sendmsg+0xcd/0x170 [ 7814.143574][ T7704] do_syscall_64+0xc6/0x1e0 [ 7814.143574][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7814.143574][ T7704] [ 7814.145784][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7814.145784][ T7704] netdev_get_by_index+0x5e/0x80 [ 7814.145784][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7814.145784][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7814.145784][ T7704] ip6_route_add+0x1c/0x140 [ 7814.145784][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7814.145784][ T7704] addrconf_add_dev+0xe2/0x170 [ 7814.145784][ T7704] inet6_addr_add+0x12f/0xa40 [ 7814.145784][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7814.145784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7814.145784][ T7704] netlink_rcv_skb+0x130/0x360 [ 7814.145784][ T7704] netlink_unicast+0x449/0x710 [ 7814.145784][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7814.145784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7814.145784][ T7704] ___sys_sendmsg+0xee/0x170 [ 7814.145784][ T7704] __sys_sendmsg+0xcd/0x170 [ 7814.145784][ T7704] do_syscall_64+0xc6/0x1e0 [ 7814.145784][ T7704] [ 7814.147959][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7814.147959][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7814.147959][ T7704] ipv6_find_idev+0x102/0x170 [ 7814.147959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7814.147959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7814.147959][ T7704] netlink_rcv_skb+0x130/0x360 [ 7814.147959][ T7704] netlink_unicast+0x449/0x710 [ 7814.147959][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7814.147959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7814.147959][ T7704] ___sys_sendmsg+0xee/0x170 [ 7814.147959][ T7704] __sys_sendmsg+0xcd/0x170 [ 7814.147959][ T7704] do_syscall_64+0xc6/0x1e0 [ 7814.147959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7814.147959][ T7704] [ 7814.149655][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7814.149655][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7814.149655][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7814.149655][ T7704] ipv6_find_idev+0x102/0x170 [ 7814.149655][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7814.149655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7814.149655][ T7704] netlink_rcv_skb+0x130/0x360 [ 7814.149655][ T7704] netlink_unicast+0x449/0x710 [ 7814.149655][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7814.149655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7814.149655][ T7704] ___sys_sendmsg+0xee/0x170 [ 7814.149655][ T7704] __sys_sendmsg+0xcd/0x170 [ 7814.149655][ T7704] do_syscall_64+0xc6/0x1e0 [ 7814.149655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7814.149655][ T7704] [ 7824.388827][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7824.389298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7824.389298][ T7704] netdev_get_by_index+0x5e/0x80 [ 7824.389298][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7824.389298][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7824.389298][ T7704] ip6_route_add+0x1c/0x140 [ 7824.389298][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7824.389298][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7824.389298][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7824.389298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7824.389298][ T7704] netlink_rcv_skb+0x130/0x360 [ 7824.389298][ T7704] netlink_unicast+0x449/0x710 [ 7824.389298][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7824.389298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7824.389298][ T7704] ___sys_sendmsg+0xee/0x170 [ 7824.389298][ T7704] __sys_sendmsg+0xcd/0x170 [ 7824.389298][ T7704] do_syscall_64+0xc6/0x1e0 [ 7824.389298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7824.389298][ T7704] [ 7824.391565][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7824.391565][ T7704] netdev_get_by_index+0x5e/0x80 [ 7824.391565][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7824.391565][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7824.391565][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7824.391565][ T7704] ipv6_add_addr+0x411/0x2000 [ 7824.391565][ T7704] inet6_addr_add+0x30e/0xa40 [ 7824.391565][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7824.391565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7824.391565][ T7704] netlink_rcv_skb+0x130/0x360 [ 7824.391565][ T7704] netlink_unicast+0x449/0x710 [ 7824.391565][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7824.391565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7824.391565][ T7704] ___sys_sendmsg+0xee/0x170 [ 7824.391565][ T7704] __sys_sendmsg+0xcd/0x170 [ 7824.391565][ T7704] do_syscall_64+0xc6/0x1e0 [ 7824.391565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7824.391565][ T7704] [ 7824.393789][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7824.393789][ T7704] netdev_get_by_index+0x5e/0x80 [ 7824.393789][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7824.393789][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7824.393789][ T7704] ip6_route_add+0x1c/0x140 [ 7824.393789][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7824.393789][ T7704] addrconf_add_dev+0xe2/0x170 [ 7824.393789][ T7704] inet6_addr_add+0x12f/0xa40 [ 7824.393789][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7824.393789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7824.393789][ T7704] netlink_rcv_skb+0x130/0x360 [ 7824.393789][ T7704] netlink_unicast+0x449/0x710 [ 7824.393789][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7824.393789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7824.393789][ T7704] ___sys_sendmsg+0xee/0x170 [ 7824.393789][ T7704] __sys_sendmsg+0xcd/0x170 [ 7824.393789][ T7704] do_syscall_64+0xc6/0x1e0 [ 7824.393789][ T7704] [ 7824.396496][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7824.396496][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7824.396496][ T7704] ipv6_find_idev+0x102/0x170 [ 7824.396496][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7824.396496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7824.396496][ T7704] netlink_rcv_skb+0x130/0x360 [ 7824.396496][ T7704] netlink_unicast+0x449/0x710 [ 7824.396496][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7824.396496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7824.396496][ T7704] ___sys_sendmsg+0xee/0x170 [ 7824.396496][ T7704] __sys_sendmsg+0xcd/0x170 [ 7824.396496][ T7704] do_syscall_64+0xc6/0x1e0 [ 7824.396496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7824.396496][ T7704] [ 7824.398198][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7824.398198][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7824.398198][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7824.398198][ T7704] ipv6_find_idev+0x102/0x170 [ 7824.398198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7824.398198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7824.398198][ T7704] netlink_rcv_skb+0x130/0x360 [ 7824.398198][ T7704] netlink_unicast+0x449/0x710 [ 7824.398198][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7824.398198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7824.398198][ T7704] ___sys_sendmsg+0xee/0x170 [ 7824.398198][ T7704] __sys_sendmsg+0xcd/0x170 [ 7824.398198][ T7704] do_syscall_64+0xc6/0x1e0 [ 7824.398198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7824.398198][ T7704] [ 7834.836883][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7834.837365][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7834.837365][ T7704] netdev_get_by_index+0x5e/0x80 [ 7834.837365][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7834.837365][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7834.837365][ T7704] ip6_route_add+0x1c/0x140 [ 7834.837365][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7834.837365][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7834.837365][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7834.837365][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.837365][ T7704] netlink_rcv_skb+0x130/0x360 [ 7834.837365][ T7704] netlink_unicast+0x449/0x710 [ 7834.837365][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7834.837365][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7834.837365][ T7704] ___sys_sendmsg+0xee/0x170 [ 7834.837365][ T7704] __sys_sendmsg+0xcd/0x170 [ 7834.837365][ T7704] do_syscall_64+0xc6/0x1e0 [ 7834.837365][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.837365][ T7704] [ 7834.839590][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7834.839590][ T7704] netdev_get_by_index+0x5e/0x80 [ 7834.839590][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7834.839590][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7834.839590][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7834.839590][ T7704] ipv6_add_addr+0x411/0x2000 [ 7834.839590][ T7704] inet6_addr_add+0x30e/0xa40 [ 7834.839590][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7834.839590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.839590][ T7704] netlink_rcv_skb+0x130/0x360 [ 7834.839590][ T7704] netlink_unicast+0x449/0x710 [ 7834.839590][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7834.839590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7834.839590][ T7704] ___sys_sendmsg+0xee/0x170 [ 7834.839590][ T7704] __sys_sendmsg+0xcd/0x170 [ 7834.839590][ T7704] do_syscall_64+0xc6/0x1e0 [ 7834.839590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.839590][ T7704] [ 7834.841816][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7834.841816][ T7704] netdev_get_by_index+0x5e/0x80 [ 7834.841816][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7834.841816][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7834.841816][ T7704] ip6_route_add+0x1c/0x140 [ 7834.841816][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7834.841816][ T7704] addrconf_add_dev+0xe2/0x170 [ 7834.841816][ T7704] inet6_addr_add+0x12f/0xa40 [ 7834.841816][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7834.841816][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.841816][ T7704] netlink_rcv_skb+0x130/0x360 [ 7834.841816][ T7704] netlink_unicast+0x449/0x710 [ 7834.841816][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7834.841816][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7834.841816][ T7704] ___sys_sendmsg+0xee/0x170 [ 7834.841816][ T7704] __sys_sendmsg+0xcd/0x170 [ 7834.841816][ T7704] do_syscall_64+0xc6/0x1e0 [ 7834.841816][ T7704] [ 7834.844000][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7834.844000][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7834.844000][ T7704] ipv6_find_idev+0x102/0x170 [ 7834.844000][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7834.844000][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.844000][ T7704] netlink_rcv_skb+0x130/0x360 [ 7834.844000][ T7704] netlink_unicast+0x449/0x710 [ 7834.844000][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7834.844000][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7834.844000][ T7704] ___sys_sendmsg+0xee/0x170 [ 7834.844000][ T7704] __sys_sendmsg+0xcd/0x170 [ 7834.844000][ T7704] do_syscall_64+0xc6/0x1e0 [ 7834.844000][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.844000][ T7704] [ 7834.845709][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7834.845709][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7834.845709][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7834.845709][ T7704] ipv6_find_idev+0x102/0x170 [ 7834.845709][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7834.845709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.845709][ T7704] netlink_rcv_skb+0x130/0x360 [ 7834.845709][ T7704] netlink_unicast+0x449/0x710 [ 7834.845709][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7834.845709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7834.845709][ T7704] ___sys_sendmsg+0xee/0x170 [ 7834.845709][ T7704] __sys_sendmsg+0xcd/0x170 [ 7834.845709][ T7704] do_syscall_64+0xc6/0x1e0 [ 7834.845709][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.845709][ T7704] [ 7844.956757][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7844.957181][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7844.957181][ T7704] netdev_get_by_index+0x5e/0x80 [ 7844.957181][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7844.957181][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7844.957181][ T7704] ip6_route_add+0x1c/0x140 [ 7844.957181][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7844.957181][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7844.957181][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7844.957181][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.957181][ T7704] netlink_rcv_skb+0x130/0x360 [ 7844.957181][ T7704] netlink_unicast+0x449/0x710 [ 7844.957181][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7844.957181][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7844.957181][ T7704] ___sys_sendmsg+0xee/0x170 [ 7844.957181][ T7704] __sys_sendmsg+0xcd/0x170 [ 7844.957181][ T7704] do_syscall_64+0xc6/0x1e0 [ 7844.957181][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.957181][ T7704] [ 7844.960111][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7844.960111][ T7704] netdev_get_by_index+0x5e/0x80 [ 7844.960111][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7844.960111][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7844.960111][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7844.960111][ T7704] ipv6_add_addr+0x411/0x2000 [ 7844.960111][ T7704] inet6_addr_add+0x30e/0xa40 [ 7844.960111][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7844.960111][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.960111][ T7704] netlink_rcv_skb+0x130/0x360 [ 7844.960111][ T7704] netlink_unicast+0x449/0x710 [ 7844.960111][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7844.960111][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7844.960111][ T7704] ___sys_sendmsg+0xee/0x170 [ 7844.960111][ T7704] __sys_sendmsg+0xcd/0x170 [ 7844.960111][ T7704] do_syscall_64+0xc6/0x1e0 [ 7844.960111][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.960111][ T7704] [ 7844.962456][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7844.962456][ T7704] netdev_get_by_index+0x5e/0x80 [ 7844.962456][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7844.962456][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7844.962456][ T7704] ip6_route_add+0x1c/0x140 [ 7844.962456][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7844.962456][ T7704] addrconf_add_dev+0xe2/0x170 [ 7844.962456][ T7704] inet6_addr_add+0x12f/0xa40 [ 7844.962456][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7844.962456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.962456][ T7704] netlink_rcv_skb+0x130/0x360 [ 7844.962456][ T7704] netlink_unicast+0x449/0x710 [ 7844.962456][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7844.962456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7844.962456][ T7704] ___sys_sendmsg+0xee/0x170 [ 7844.962456][ T7704] __sys_sendmsg+0xcd/0x170 [ 7844.962456][ T7704] do_syscall_64+0xc6/0x1e0 [ 7844.962456][ T7704] [ 7844.964743][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7844.964743][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7844.964743][ T7704] ipv6_find_idev+0x102/0x170 [ 7844.964743][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7844.964743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.964743][ T7704] netlink_rcv_skb+0x130/0x360 [ 7844.964743][ T7704] netlink_unicast+0x449/0x710 [ 7844.964743][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7844.964743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7844.964743][ T7704] ___sys_sendmsg+0xee/0x170 [ 7844.964743][ T7704] __sys_sendmsg+0xcd/0x170 [ 7844.964743][ T7704] do_syscall_64+0xc6/0x1e0 [ 7844.964743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.964743][ T7704] [ 7844.966582][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7844.966582][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7844.966582][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7844.966582][ T7704] ipv6_find_idev+0x102/0x170 [ 7844.966582][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7844.966582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.966582][ T7704] netlink_rcv_skb+0x130/0x360 [ 7844.966582][ T7704] netlink_unicast+0x449/0x710 [ 7844.966582][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7844.966582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7844.966582][ T7704] ___sys_sendmsg+0xee/0x170 [ 7844.966582][ T7704] __sys_sendmsg+0xcd/0x170 [ 7844.966582][ T7704] do_syscall_64+0xc6/0x1e0 [ 7844.966582][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.966582][ T7704] [ 7855.204773][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7855.205176][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7855.205176][ T7704] netdev_get_by_index+0x5e/0x80 [ 7855.205176][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7855.205176][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7855.205176][ T7704] ip6_route_add+0x1c/0x140 [ 7855.205176][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7855.205176][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7855.205176][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7855.205176][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7855.205176][ T7704] netlink_rcv_skb+0x130/0x360 [ 7855.205176][ T7704] netlink_unicast+0x449/0x710 [ 7855.205176][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7855.205176][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7855.205176][ T7704] ___sys_sendmsg+0xee/0x170 [ 7855.205176][ T7704] __sys_sendmsg+0xcd/0x170 [ 7855.205176][ T7704] do_syscall_64+0xc6/0x1e0 [ 7855.205176][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7855.205176][ T7704] [ 7855.207426][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7855.207426][ T7704] netdev_get_by_index+0x5e/0x80 [ 7855.207426][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7855.207426][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7855.207426][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7855.207426][ T7704] ipv6_add_addr+0x411/0x2000 [ 7855.207426][ T7704] inet6_addr_add+0x30e/0xa40 [ 7855.207426][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7855.207426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7855.207426][ T7704] netlink_rcv_skb+0x130/0x360 [ 7855.207426][ T7704] netlink_unicast+0x449/0x710 [ 7855.207426][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7855.207426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7855.207426][ T7704] ___sys_sendmsg+0xee/0x170 [ 7855.207426][ T7704] __sys_sendmsg+0xcd/0x170 [ 7855.207426][ T7704] do_syscall_64+0xc6/0x1e0 [ 7855.207426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7855.207426][ T7704] [ 7855.209631][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7855.209631][ T7704] netdev_get_by_index+0x5e/0x80 [ 7855.209631][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7855.209631][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7855.209631][ T7704] ip6_route_add+0x1c/0x140 [ 7855.209631][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7855.209631][ T7704] addrconf_add_dev+0xe2/0x170 [ 7855.209631][ T7704] inet6_addr_add+0x12f/0xa40 [ 7855.209631][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7855.209631][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7855.209631][ T7704] netlink_rcv_skb+0x130/0x360 [ 7855.209631][ T7704] netlink_unicast+0x449/0x710 [ 7855.209631][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7855.209631][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7855.209631][ T7704] ___sys_sendmsg+0xee/0x170 [ 7855.209631][ T7704] __sys_sendmsg+0xcd/0x170 [ 7855.209631][ T7704] do_syscall_64+0xc6/0x1e0 [ 7855.209631][ T7704] [ 7855.211811][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7855.211811][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7855.211811][ T7704] ipv6_find_idev+0x102/0x170 [ 7855.211811][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7855.211811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7855.211811][ T7704] netlink_rcv_skb+0x130/0x360 [ 7855.211811][ T7704] netlink_unicast+0x449/0x710 [ 7855.211811][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7855.211811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7855.211811][ T7704] ___sys_sendmsg+0xee/0x170 [ 7855.211811][ T7704] __sys_sendmsg+0xcd/0x170 [ 7855.211811][ T7704] do_syscall_64+0xc6/0x1e0 [ 7855.211811][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7855.211811][ T7704] [ 7855.213557][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7855.213557][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7855.213557][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7855.213557][ T7704] ipv6_find_idev+0x102/0x170 [ 7855.213557][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7855.213557][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7855.213557][ T7704] netlink_rcv_skb+0x130/0x360 [ 7855.213557][ T7704] netlink_unicast+0x449/0x710 [ 7855.213557][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7855.213557][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7855.213557][ T7704] ___sys_sendmsg+0xee/0x170 [ 7855.213557][ T7704] __sys_sendmsg+0xcd/0x170 [ 7855.213557][ T7704] do_syscall_64+0xc6/0x1e0 [ 7855.213557][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7855.213557][ T7704] [ 7865.284782][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7865.285196][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7865.285196][ T7704] netdev_get_by_index+0x5e/0x80 [ 7865.285196][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7865.285196][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7865.285196][ T7704] ip6_route_add+0x1c/0x140 [ 7865.285196][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7865.285196][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7865.285196][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7865.285196][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7865.285196][ T7704] netlink_rcv_skb+0x130/0x360 [ 7865.285196][ T7704] netlink_unicast+0x449/0x710 [ 7865.285196][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7865.285196][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7865.285196][ T7704] ___sys_sendmsg+0xee/0x170 [ 7865.285196][ T7704] __sys_sendmsg+0xcd/0x170 [ 7865.285196][ T7704] do_syscall_64+0xc6/0x1e0 [ 7865.285196][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7865.285196][ T7704] [ 7865.287434][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7865.287434][ T7704] netdev_get_by_index+0x5e/0x80 [ 7865.287434][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7865.287434][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7865.287434][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7865.287434][ T7704] ipv6_add_addr+0x411/0x2000 [ 7865.287434][ T7704] inet6_addr_add+0x30e/0xa40 [ 7865.287434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7865.287434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7865.287434][ T7704] netlink_rcv_skb+0x130/0x360 [ 7865.287434][ T7704] netlink_unicast+0x449/0x710 [ 7865.287434][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7865.287434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7865.287434][ T7704] ___sys_sendmsg+0xee/0x170 [ 7865.287434][ T7704] __sys_sendmsg+0xcd/0x170 [ 7865.287434][ T7704] do_syscall_64+0xc6/0x1e0 [ 7865.287434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7865.287434][ T7704] [ 7865.289643][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7865.289643][ T7704] netdev_get_by_index+0x5e/0x80 [ 7865.289643][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7865.289643][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7865.289643][ T7704] ip6_route_add+0x1c/0x140 [ 7865.289643][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7865.289643][ T7704] addrconf_add_dev+0xe2/0x170 [ 7865.289643][ T7704] inet6_addr_add+0x12f/0xa40 [ 7865.289643][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7865.289643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7865.289643][ T7704] netlink_rcv_skb+0x130/0x360 [ 7865.289643][ T7704] netlink_unicast+0x449/0x710 [ 7865.289643][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7865.289643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7865.289643][ T7704] ___sys_sendmsg+0xee/0x170 [ 7865.289643][ T7704] __sys_sendmsg+0xcd/0x170 [ 7865.289643][ T7704] do_syscall_64+0xc6/0x1e0 [ 7865.289643][ T7704] [ 7865.291812][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7865.291812][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7865.291812][ T7704] ipv6_find_idev+0x102/0x170 [ 7865.291812][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7865.291812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7865.291812][ T7704] netlink_rcv_skb+0x130/0x360 [ 7865.291812][ T7704] netlink_unicast+0x449/0x710 [ 7865.291812][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7865.291812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7865.291812][ T7704] ___sys_sendmsg+0xee/0x170 [ 7865.291812][ T7704] __sys_sendmsg+0xcd/0x170 [ 7865.291812][ T7704] do_syscall_64+0xc6/0x1e0 [ 7865.291812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7865.291812][ T7704] [ 7865.293502][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7865.293502][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7865.293502][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7865.293502][ T7704] ipv6_find_idev+0x102/0x170 [ 7865.293502][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7865.293502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7865.293502][ T7704] netlink_rcv_skb+0x130/0x360 [ 7865.293502][ T7704] netlink_unicast+0x449/0x710 [ 7865.293502][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7865.293502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7865.293502][ T7704] ___sys_sendmsg+0xee/0x170 [ 7865.293502][ T7704] __sys_sendmsg+0xcd/0x170 [ 7865.293502][ T7704] do_syscall_64+0xc6/0x1e0 [ 7865.293502][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7865.293502][ T7704] [ 7875.332931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7875.333410][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7875.333410][ T7704] netdev_get_by_index+0x5e/0x80 [ 7875.333410][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7875.333410][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7875.333410][ T7704] ip6_route_add+0x1c/0x140 [ 7875.333410][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7875.333410][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7875.333410][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7875.333410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7875.333410][ T7704] netlink_rcv_skb+0x130/0x360 [ 7875.333410][ T7704] netlink_unicast+0x449/0x710 [ 7875.333410][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7875.333410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7875.333410][ T7704] ___sys_sendmsg+0xee/0x170 [ 7875.333410][ T7704] __sys_sendmsg+0xcd/0x170 [ 7875.333410][ T7704] do_syscall_64+0xc6/0x1e0 [ 7875.333410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7875.333410][ T7704] [ 7875.335638][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7875.335638][ T7704] netdev_get_by_index+0x5e/0x80 [ 7875.335638][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7875.335638][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7875.335638][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7875.335638][ T7704] ipv6_add_addr+0x411/0x2000 [ 7875.335638][ T7704] inet6_addr_add+0x30e/0xa40 [ 7875.335638][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7875.335638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7875.335638][ T7704] netlink_rcv_skb+0x130/0x360 [ 7875.335638][ T7704] netlink_unicast+0x449/0x710 [ 7875.335638][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7875.335638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7875.335638][ T7704] ___sys_sendmsg+0xee/0x170 [ 7875.335638][ T7704] __sys_sendmsg+0xcd/0x170 [ 7875.335638][ T7704] do_syscall_64+0xc6/0x1e0 [ 7875.335638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7875.335638][ T7704] [ 7875.337832][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7875.337832][ T7704] netdev_get_by_index+0x5e/0x80 [ 7875.337832][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7875.337832][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7875.337832][ T7704] ip6_route_add+0x1c/0x140 [ 7875.337832][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7875.337832][ T7704] addrconf_add_dev+0xe2/0x170 [ 7875.337832][ T7704] inet6_addr_add+0x12f/0xa40 [ 7875.337832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7875.337832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7875.337832][ T7704] netlink_rcv_skb+0x130/0x360 [ 7875.337832][ T7704] netlink_unicast+0x449/0x710 [ 7875.337832][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7875.337832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7875.337832][ T7704] ___sys_sendmsg+0xee/0x170 [ 7875.337832][ T7704] __sys_sendmsg+0xcd/0x170 [ 7875.337832][ T7704] do_syscall_64+0xc6/0x1e0 [ 7875.337832][ T7704] [ 7875.339996][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7875.339996][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7875.339996][ T7704] ipv6_find_idev+0x102/0x170 [ 7875.339996][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7875.339996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7875.339996][ T7704] netlink_rcv_skb+0x130/0x360 [ 7875.339996][ T7704] netlink_unicast+0x449/0x710 [ 7875.339996][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7875.339996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7875.339996][ T7704] ___sys_sendmsg+0xee/0x170 [ 7875.339996][ T7704] __sys_sendmsg+0xcd/0x170 [ 7875.339996][ T7704] do_syscall_64+0xc6/0x1e0 [ 7875.339996][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7875.339996][ T7704] [ 7875.341704][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7875.341704][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7875.341704][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7875.341704][ T7704] ipv6_find_idev+0x102/0x170 [ 7875.341704][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7875.341704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7875.341704][ T7704] netlink_rcv_skb+0x130/0x360 [ 7875.341704][ T7704] netlink_unicast+0x449/0x710 [ 7875.341704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7875.341704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7875.341704][ T7704] ___sys_sendmsg+0xee/0x170 [ 7875.341704][ T7704] __sys_sendmsg+0xcd/0x170 [ 7875.341704][ T7704] do_syscall_64+0xc6/0x1e0 [ 7875.341704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7875.341704][ T7704] [ 7885.596806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7885.597299][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7885.597299][ T7704] netdev_get_by_index+0x5e/0x80 [ 7885.597299][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7885.597299][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7885.597299][ T7704] ip6_route_add+0x1c/0x140 [ 7885.597299][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7885.597299][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7885.597299][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7885.597299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7885.597299][ T7704] netlink_rcv_skb+0x130/0x360 [ 7885.597299][ T7704] netlink_unicast+0x449/0x710 [ 7885.597299][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7885.597299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7885.597299][ T7704] ___sys_sendmsg+0xee/0x170 [ 7885.597299][ T7704] __sys_sendmsg+0xcd/0x170 [ 7885.597299][ T7704] do_syscall_64+0xc6/0x1e0 [ 7885.597299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7885.597299][ T7704] [ 7885.599584][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7885.599584][ T7704] netdev_get_by_index+0x5e/0x80 [ 7885.599584][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7885.599584][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7885.599584][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7885.599584][ T7704] ipv6_add_addr+0x411/0x2000 [ 7885.599584][ T7704] inet6_addr_add+0x30e/0xa40 [ 7885.599584][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7885.599584][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7885.599584][ T7704] netlink_rcv_skb+0x130/0x360 [ 7885.599584][ T7704] netlink_unicast+0x449/0x710 [ 7885.599584][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7885.599584][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7885.599584][ T7704] ___sys_sendmsg+0xee/0x170 [ 7885.599584][ T7704] __sys_sendmsg+0xcd/0x170 [ 7885.599584][ T7704] do_syscall_64+0xc6/0x1e0 [ 7885.599584][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7885.599584][ T7704] [ 7885.601812][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7885.601812][ T7704] netdev_get_by_index+0x5e/0x80 [ 7885.601812][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7885.601812][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7885.601812][ T7704] ip6_route_add+0x1c/0x140 [ 7885.601812][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7885.601812][ T7704] addrconf_add_dev+0xe2/0x170 [ 7885.601812][ T7704] inet6_addr_add+0x12f/0xa40 [ 7885.601812][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7885.601812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7885.601812][ T7704] netlink_rcv_skb+0x130/0x360 [ 7885.601812][ T7704] netlink_unicast+0x449/0x710 [ 7885.601812][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7885.601812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7885.601812][ T7704] ___sys_sendmsg+0xee/0x170 [ 7885.601812][ T7704] __sys_sendmsg+0xcd/0x170 [ 7885.601812][ T7704] do_syscall_64+0xc6/0x1e0 [ 7885.601812][ T7704] [ 7885.603990][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7885.603990][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7885.603990][ T7704] ipv6_find_idev+0x102/0x170 [ 7885.603990][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7885.603990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7885.603990][ T7704] netlink_rcv_skb+0x130/0x360 [ 7885.603990][ T7704] netlink_unicast+0x449/0x710 [ 7885.603990][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7885.603990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7885.603990][ T7704] ___sys_sendmsg+0xee/0x170 [ 7885.603990][ T7704] __sys_sendmsg+0xcd/0x170 [ 7885.603990][ T7704] do_syscall_64+0xc6/0x1e0 [ 7885.603990][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7885.603990][ T7704] [ 7885.605702][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7885.605702][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7885.605702][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7885.605702][ T7704] ipv6_find_idev+0x102/0x170 [ 7885.605702][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7885.605702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7885.605702][ T7704] netlink_rcv_skb+0x130/0x360 [ 7885.605702][ T7704] netlink_unicast+0x449/0x710 [ 7885.605702][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7885.605702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7885.605702][ T7704] ___sys_sendmsg+0xee/0x170 [ 7885.605702][ T7704] __sys_sendmsg+0xcd/0x170 [ 7885.605702][ T7704] do_syscall_64+0xc6/0x1e0 [ 7885.605702][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7885.605702][ T7704] [ 7895.860817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7895.861297][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7895.861297][ T7704] netdev_get_by_index+0x5e/0x80 [ 7895.861297][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7895.861297][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7895.861297][ T7704] ip6_route_add+0x1c/0x140 [ 7895.861297][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7895.861297][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7895.861297][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7895.861297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.861297][ T7704] netlink_rcv_skb+0x130/0x360 [ 7895.861297][ T7704] netlink_unicast+0x449/0x710 [ 7895.861297][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7895.861297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7895.861297][ T7704] ___sys_sendmsg+0xee/0x170 [ 7895.861297][ T7704] __sys_sendmsg+0xcd/0x170 [ 7895.861297][ T7704] do_syscall_64+0xc6/0x1e0 [ 7895.861297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.861297][ T7704] [ 7895.863565][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7895.863565][ T7704] netdev_get_by_index+0x5e/0x80 [ 7895.863565][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7895.863565][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7895.863565][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7895.863565][ T7704] ipv6_add_addr+0x411/0x2000 [ 7895.863565][ T7704] inet6_addr_add+0x30e/0xa40 [ 7895.863565][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7895.863565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.863565][ T7704] netlink_rcv_skb+0x130/0x360 [ 7895.863565][ T7704] netlink_unicast+0x449/0x710 [ 7895.863565][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7895.863565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7895.863565][ T7704] ___sys_sendmsg+0xee/0x170 [ 7895.863565][ T7704] __sys_sendmsg+0xcd/0x170 [ 7895.863565][ T7704] do_syscall_64+0xc6/0x1e0 [ 7895.863565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.863565][ T7704] [ 7895.865785][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7895.865785][ T7704] netdev_get_by_index+0x5e/0x80 [ 7895.865785][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7895.865785][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7895.865785][ T7704] ip6_route_add+0x1c/0x140 [ 7895.865785][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7895.865785][ T7704] addrconf_add_dev+0xe2/0x170 [ 7895.865785][ T7704] inet6_addr_add+0x12f/0xa40 [ 7895.865785][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7895.865785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.865785][ T7704] netlink_rcv_skb+0x130/0x360 [ 7895.865785][ T7704] netlink_unicast+0x449/0x710 [ 7895.865785][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7895.865785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7895.865785][ T7704] ___sys_sendmsg+0xee/0x170 [ 7895.865785][ T7704] __sys_sendmsg+0xcd/0x170 [ 7895.865785][ T7704] do_syscall_64+0xc6/0x1e0 [ 7895.865785][ T7704] [ 7895.867959][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7895.867959][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7895.867959][ T7704] ipv6_find_idev+0x102/0x170 [ 7895.867959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7895.867959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.867959][ T7704] netlink_rcv_skb+0x130/0x360 [ 7895.867959][ T7704] netlink_unicast+0x449/0x710 [ 7895.867959][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7895.867959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7895.867959][ T7704] ___sys_sendmsg+0xee/0x170 [ 7895.867959][ T7704] __sys_sendmsg+0xcd/0x170 [ 7895.867959][ T7704] do_syscall_64+0xc6/0x1e0 [ 7895.867959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.867959][ T7704] [ 7895.869662][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7895.869662][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7895.869662][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7895.869662][ T7704] ipv6_find_idev+0x102/0x170 [ 7895.869662][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7895.869662][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.869662][ T7704] netlink_rcv_skb+0x130/0x360 [ 7895.869662][ T7704] netlink_unicast+0x449/0x710 [ 7895.869662][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7895.869662][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7895.869662][ T7704] ___sys_sendmsg+0xee/0x170 [ 7895.869662][ T7704] __sys_sendmsg+0xcd/0x170 [ 7895.869662][ T7704] do_syscall_64+0xc6/0x1e0 [ 7895.869662][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.869662][ T7704] [ 7906.116857][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7906.117281][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7906.117281][ T7704] netdev_get_by_index+0x5e/0x80 [ 7906.117281][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7906.117281][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7906.117281][ T7704] ip6_route_add+0x1c/0x140 [ 7906.117281][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7906.117281][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7906.117281][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7906.117281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7906.117281][ T7704] netlink_rcv_skb+0x130/0x360 [ 7906.117281][ T7704] netlink_unicast+0x449/0x710 [ 7906.117281][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7906.117281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7906.117281][ T7704] ___sys_sendmsg+0xee/0x170 [ 7906.117281][ T7704] __sys_sendmsg+0xcd/0x170 [ 7906.117281][ T7704] do_syscall_64+0xc6/0x1e0 [ 7906.117281][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7906.117281][ T7704] [ 7906.119575][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7906.119575][ T7704] netdev_get_by_index+0x5e/0x80 [ 7906.119575][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7906.119575][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7906.119575][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7906.119575][ T7704] ipv6_add_addr+0x411/0x2000 [ 7906.119575][ T7704] inet6_addr_add+0x30e/0xa40 [ 7906.119575][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7906.119575][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7906.119575][ T7704] netlink_rcv_skb+0x130/0x360 [ 7906.119575][ T7704] netlink_unicast+0x449/0x710 [ 7906.119575][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7906.119575][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7906.119575][ T7704] ___sys_sendmsg+0xee/0x170 [ 7906.119575][ T7704] __sys_sendmsg+0xcd/0x170 [ 7906.119575][ T7704] do_syscall_64+0xc6/0x1e0 [ 7906.119575][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7906.119575][ T7704] [ 7906.121846][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7906.121846][ T7704] netdev_get_by_index+0x5e/0x80 [ 7906.121846][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7906.121846][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7906.121846][ T7704] ip6_route_add+0x1c/0x140 [ 7906.121846][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7906.121846][ T7704] addrconf_add_dev+0xe2/0x170 [ 7906.121846][ T7704] inet6_addr_add+0x12f/0xa40 [ 7906.121846][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7906.121846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7906.121846][ T7704] netlink_rcv_skb+0x130/0x360 [ 7906.121846][ T7704] netlink_unicast+0x449/0x710 [ 7906.121846][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7906.121846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7906.121846][ T7704] ___sys_sendmsg+0xee/0x170 [ 7906.121846][ T7704] __sys_sendmsg+0xcd/0x170 [ 7906.121846][ T7704] do_syscall_64+0xc6/0x1e0 [ 7906.121846][ T7704] [ 7906.124049][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7906.124049][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7906.124049][ T7704] ipv6_find_idev+0x102/0x170 [ 7906.124049][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7906.124049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7906.124049][ T7704] netlink_rcv_skb+0x130/0x360 [ 7906.124049][ T7704] netlink_unicast+0x449/0x710 [ 7906.124049][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7906.124049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7906.124049][ T7704] ___sys_sendmsg+0xee/0x170 [ 7906.124049][ T7704] __sys_sendmsg+0xcd/0x170 [ 7906.124049][ T7704] do_syscall_64+0xc6/0x1e0 [ 7906.124049][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7906.124049][ T7704] [ 7906.125797][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7906.125797][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7906.125797][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7906.125797][ T7704] ipv6_find_idev+0x102/0x170 [ 7906.125797][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7906.125797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7906.125797][ T7704] netlink_rcv_skb+0x130/0x360 [ 7906.125797][ T7704] netlink_unicast+0x449/0x710 [ 7906.125797][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7906.125797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7906.125797][ T7704] ___sys_sendmsg+0xee/0x170 [ 7906.125797][ T7704] __sys_sendmsg+0xcd/0x170 [ 7906.125797][ T7704] do_syscall_64+0xc6/0x1e0 [ 7906.125797][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7906.125797][ T7704] [ 7916.148813][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7916.149229][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7916.149229][ T7704] netdev_get_by_index+0x5e/0x80 [ 7916.149229][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7916.149229][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7916.149229][ T7704] ip6_route_add+0x1c/0x140 [ 7916.149229][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7916.149229][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7916.149229][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7916.149229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7916.149229][ T7704] netlink_rcv_skb+0x130/0x360 [ 7916.149229][ T7704] netlink_unicast+0x449/0x710 [ 7916.149229][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7916.149229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7916.149229][ T7704] ___sys_sendmsg+0xee/0x170 [ 7916.149229][ T7704] __sys_sendmsg+0xcd/0x170 [ 7916.149229][ T7704] do_syscall_64+0xc6/0x1e0 [ 7916.149229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7916.149229][ T7704] [ 7916.151485][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7916.151485][ T7704] netdev_get_by_index+0x5e/0x80 [ 7916.151485][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7916.151485][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7916.151485][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7916.151485][ T7704] ipv6_add_addr+0x411/0x2000 [ 7916.151485][ T7704] inet6_addr_add+0x30e/0xa40 [ 7916.151485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7916.151485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7916.151485][ T7704] netlink_rcv_skb+0x130/0x360 [ 7916.151485][ T7704] netlink_unicast+0x449/0x710 [ 7916.151485][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7916.151485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7916.151485][ T7704] ___sys_sendmsg+0xee/0x170 [ 7916.151485][ T7704] __sys_sendmsg+0xcd/0x170 [ 7916.151485][ T7704] do_syscall_64+0xc6/0x1e0 [ 7916.151485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7916.151485][ T7704] [ 7916.153741][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7916.153741][ T7704] netdev_get_by_index+0x5e/0x80 [ 7916.153741][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7916.153741][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7916.153741][ T7704] ip6_route_add+0x1c/0x140 [ 7916.153741][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7916.153741][ T7704] addrconf_add_dev+0xe2/0x170 [ 7916.153741][ T7704] inet6_addr_add+0x12f/0xa40 [ 7916.153741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7916.153741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7916.153741][ T7704] netlink_rcv_skb+0x130/0x360 [ 7916.153741][ T7704] netlink_unicast+0x449/0x710 [ 7916.153741][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7916.153741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7916.153741][ T7704] ___sys_sendmsg+0xee/0x170 [ 7916.153741][ T7704] __sys_sendmsg+0xcd/0x170 [ 7916.153741][ T7704] do_syscall_64+0xc6/0x1e0 [ 7916.153741][ T7704] [ 7916.155936][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7916.155936][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7916.155936][ T7704] ipv6_find_idev+0x102/0x170 [ 7916.155936][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7916.155936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7916.155936][ T7704] netlink_rcv_skb+0x130/0x360 [ 7916.155936][ T7704] netlink_unicast+0x449/0x710 [ 7916.155936][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7916.155936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7916.155936][ T7704] ___sys_sendmsg+0xee/0x170 [ 7916.155936][ T7704] __sys_sendmsg+0xcd/0x170 [ 7916.155936][ T7704] do_syscall_64+0xc6/0x1e0 [ 7916.155936][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7916.155936][ T7704] [ 7916.157629][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7916.157629][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7916.157629][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7916.157629][ T7704] ipv6_find_idev+0x102/0x170 [ 7916.157629][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7916.157629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7916.157629][ T7704] netlink_rcv_skb+0x130/0x360 [ 7916.157629][ T7704] netlink_unicast+0x449/0x710 [ 7916.157629][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7916.157629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7916.157629][ T7704] ___sys_sendmsg+0xee/0x170 [ 7916.157629][ T7704] __sys_sendmsg+0xcd/0x170 [ 7916.157629][ T7704] do_syscall_64+0xc6/0x1e0 [ 7916.157629][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7916.157629][ T7704] [ 7926.396822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7926.397300][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7926.397300][ T7704] netdev_get_by_index+0x5e/0x80 [ 7926.397300][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7926.397300][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7926.397300][ T7704] ip6_route_add+0x1c/0x140 [ 7926.397300][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7926.397300][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7926.397300][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7926.397300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.397300][ T7704] netlink_rcv_skb+0x130/0x360 [ 7926.397300][ T7704] netlink_unicast+0x449/0x710 [ 7926.397300][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7926.397300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7926.397300][ T7704] ___sys_sendmsg+0xee/0x170 [ 7926.397300][ T7704] __sys_sendmsg+0xcd/0x170 [ 7926.397300][ T7704] do_syscall_64+0xc6/0x1e0 [ 7926.397300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.397300][ T7704] [ 7926.399566][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7926.399566][ T7704] netdev_get_by_index+0x5e/0x80 [ 7926.399566][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7926.399566][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7926.399566][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7926.399566][ T7704] ipv6_add_addr+0x411/0x2000 [ 7926.399566][ T7704] inet6_addr_add+0x30e/0xa40 [ 7926.399566][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7926.399566][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.399566][ T7704] netlink_rcv_skb+0x130/0x360 [ 7926.399566][ T7704] netlink_unicast+0x449/0x710 [ 7926.399566][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7926.399566][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7926.399566][ T7704] ___sys_sendmsg+0xee/0x170 [ 7926.399566][ T7704] __sys_sendmsg+0xcd/0x170 [ 7926.399566][ T7704] do_syscall_64+0xc6/0x1e0 [ 7926.399566][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.399566][ T7704] [ 7926.401800][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7926.401800][ T7704] netdev_get_by_index+0x5e/0x80 [ 7926.401800][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7926.401800][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7926.401800][ T7704] ip6_route_add+0x1c/0x140 [ 7926.401800][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7926.401800][ T7704] addrconf_add_dev+0xe2/0x170 [ 7926.401800][ T7704] inet6_addr_add+0x12f/0xa40 [ 7926.401800][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7926.401800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.401800][ T7704] netlink_rcv_skb+0x130/0x360 [ 7926.401800][ T7704] netlink_unicast+0x449/0x710 [ 7926.401800][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7926.401800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7926.401800][ T7704] ___sys_sendmsg+0xee/0x170 [ 7926.401800][ T7704] __sys_sendmsg+0xcd/0x170 [ 7926.401800][ T7704] do_syscall_64+0xc6/0x1e0 [ 7926.401800][ T7704] [ 7926.404572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7926.404572][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7926.404572][ T7704] ipv6_find_idev+0x102/0x170 [ 7926.404572][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7926.404572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.404572][ T7704] netlink_rcv_skb+0x130/0x360 [ 7926.404572][ T7704] netlink_unicast+0x449/0x710 [ 7926.404572][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7926.404572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7926.404572][ T7704] ___sys_sendmsg+0xee/0x170 [ 7926.404572][ T7704] __sys_sendmsg+0xcd/0x170 [ 7926.404572][ T7704] do_syscall_64+0xc6/0x1e0 [ 7926.404572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.404572][ T7704] [ 7926.406281][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7926.406281][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7926.406281][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7926.406281][ T7704] ipv6_find_idev+0x102/0x170 [ 7926.406281][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7926.406281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.406281][ T7704] netlink_rcv_skb+0x130/0x360 [ 7926.406281][ T7704] netlink_unicast+0x449/0x710 [ 7926.406281][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7926.406281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7926.406281][ T7704] ___sys_sendmsg+0xee/0x170 [ 7926.406281][ T7704] __sys_sendmsg+0xcd/0x170 [ 7926.406281][ T7704] do_syscall_64+0xc6/0x1e0 [ 7926.406281][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.406281][ T7704] [ 7936.644806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7936.645214][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7936.645214][ T7704] netdev_get_by_index+0x5e/0x80 [ 7936.645214][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7936.645214][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7936.645214][ T7704] ip6_route_add+0x1c/0x140 [ 7936.645214][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7936.645214][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7936.645214][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7936.645214][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.645214][ T7704] netlink_rcv_skb+0x130/0x360 [ 7936.645214][ T7704] netlink_unicast+0x449/0x710 [ 7936.645214][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7936.645214][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7936.645214][ T7704] ___sys_sendmsg+0xee/0x170 [ 7936.645214][ T7704] __sys_sendmsg+0xcd/0x170 [ 7936.645214][ T7704] do_syscall_64+0xc6/0x1e0 [ 7936.645214][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.645214][ T7704] [ 7936.647438][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7936.647438][ T7704] netdev_get_by_index+0x5e/0x80 [ 7936.647438][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7936.647438][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7936.647438][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7936.647438][ T7704] ipv6_add_addr+0x411/0x2000 [ 7936.647438][ T7704] inet6_addr_add+0x30e/0xa40 [ 7936.647438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7936.647438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.647438][ T7704] netlink_rcv_skb+0x130/0x360 [ 7936.647438][ T7704] netlink_unicast+0x449/0x710 [ 7936.647438][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7936.647438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7936.647438][ T7704] ___sys_sendmsg+0xee/0x170 [ 7936.647438][ T7704] __sys_sendmsg+0xcd/0x170 [ 7936.647438][ T7704] do_syscall_64+0xc6/0x1e0 [ 7936.647438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.647438][ T7704] [ 7936.649694][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7936.649694][ T7704] netdev_get_by_index+0x5e/0x80 [ 7936.649694][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7936.649694][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7936.649694][ T7704] ip6_route_add+0x1c/0x140 [ 7936.649694][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7936.649694][ T7704] addrconf_add_dev+0xe2/0x170 [ 7936.649694][ T7704] inet6_addr_add+0x12f/0xa40 [ 7936.649694][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7936.649694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.649694][ T7704] netlink_rcv_skb+0x130/0x360 [ 7936.649694][ T7704] netlink_unicast+0x449/0x710 [ 7936.649694][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7936.649694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7936.649694][ T7704] ___sys_sendmsg+0xee/0x170 [ 7936.649694][ T7704] __sys_sendmsg+0xcd/0x170 [ 7936.649694][ T7704] do_syscall_64+0xc6/0x1e0 [ 7936.649694][ T7704] [ 7936.651903][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7936.651903][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7936.651903][ T7704] ipv6_find_idev+0x102/0x170 [ 7936.651903][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7936.651903][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.651903][ T7704] netlink_rcv_skb+0x130/0x360 [ 7936.651903][ T7704] netlink_unicast+0x449/0x710 [ 7936.651903][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7936.651903][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7936.651903][ T7704] ___sys_sendmsg+0xee/0x170 [ 7936.651903][ T7704] __sys_sendmsg+0xcd/0x170 [ 7936.651903][ T7704] do_syscall_64+0xc6/0x1e0 [ 7936.651903][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.651903][ T7704] [ 7936.653621][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7936.653621][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7936.653621][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7936.653621][ T7704] ipv6_find_idev+0x102/0x170 [ 7936.653621][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7936.653621][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.653621][ T7704] netlink_rcv_skb+0x130/0x360 [ 7936.653621][ T7704] netlink_unicast+0x449/0x710 [ 7936.653621][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7936.653621][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7936.653621][ T7704] ___sys_sendmsg+0xee/0x170 [ 7936.653621][ T7704] __sys_sendmsg+0xcd/0x170 [ 7936.653621][ T7704] do_syscall_64+0xc6/0x1e0 [ 7936.653621][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.653621][ T7704] [ 7946.892814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7946.893292][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7946.893292][ T7704] netdev_get_by_index+0x5e/0x80 [ 7946.893292][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7946.893292][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7946.893292][ T7704] ip6_route_add+0x1c/0x140 [ 7946.893292][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7946.893292][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7946.893292][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7946.893292][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.893292][ T7704] netlink_rcv_skb+0x130/0x360 [ 7946.893292][ T7704] netlink_unicast+0x449/0x710 [ 7946.893292][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7946.893292][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7946.893292][ T7704] ___sys_sendmsg+0xee/0x170 [ 7946.893292][ T7704] __sys_sendmsg+0xcd/0x170 [ 7946.893292][ T7704] do_syscall_64+0xc6/0x1e0 [ 7946.893292][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.893292][ T7704] [ 7946.895915][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7946.895915][ T7704] netdev_get_by_index+0x5e/0x80 [ 7946.895915][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7946.895915][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7946.895915][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7946.895915][ T7704] ipv6_add_addr+0x411/0x2000 [ 7946.895915][ T7704] inet6_addr_add+0x30e/0xa40 [ 7946.895915][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7946.895915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.895915][ T7704] netlink_rcv_skb+0x130/0x360 [ 7946.895915][ T7704] netlink_unicast+0x449/0x710 [ 7946.895915][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7946.895915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7946.895915][ T7704] ___sys_sendmsg+0xee/0x170 [ 7946.895915][ T7704] __sys_sendmsg+0xcd/0x170 [ 7946.895915][ T7704] do_syscall_64+0xc6/0x1e0 [ 7946.895915][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.895915][ T7704] [ 7946.898116][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7946.898116][ T7704] netdev_get_by_index+0x5e/0x80 [ 7946.898116][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7946.898116][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7946.898116][ T7704] ip6_route_add+0x1c/0x140 [ 7946.898116][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7946.898116][ T7704] addrconf_add_dev+0xe2/0x170 [ 7946.898116][ T7704] inet6_addr_add+0x12f/0xa40 [ 7946.898116][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7946.898116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.898116][ T7704] netlink_rcv_skb+0x130/0x360 [ 7946.898116][ T7704] netlink_unicast+0x449/0x710 [ 7946.898116][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7946.898116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7946.898116][ T7704] ___sys_sendmsg+0xee/0x170 [ 7946.898116][ T7704] __sys_sendmsg+0xcd/0x170 [ 7946.898116][ T7704] do_syscall_64+0xc6/0x1e0 [ 7946.898116][ T7704] [ 7946.900282][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7946.900282][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7946.900282][ T7704] ipv6_find_idev+0x102/0x170 [ 7946.900282][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7946.900282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.900282][ T7704] netlink_rcv_skb+0x130/0x360 [ 7946.900282][ T7704] netlink_unicast+0x449/0x710 [ 7946.900282][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7946.900282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7946.900282][ T7704] ___sys_sendmsg+0xee/0x170 [ 7946.900282][ T7704] __sys_sendmsg+0xcd/0x170 [ 7946.900282][ T7704] do_syscall_64+0xc6/0x1e0 [ 7946.900282][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.900282][ T7704] [ 7946.901986][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7946.901986][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7946.901986][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7946.901986][ T7704] ipv6_find_idev+0x102/0x170 [ 7946.901986][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7946.901986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.901986][ T7704] netlink_rcv_skb+0x130/0x360 [ 7946.901986][ T7704] netlink_unicast+0x449/0x710 [ 7946.901986][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7946.901986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7946.901986][ T7704] ___sys_sendmsg+0xee/0x170 [ 7946.901986][ T7704] __sys_sendmsg+0xcd/0x170 [ 7946.901986][ T7704] do_syscall_64+0xc6/0x1e0 [ 7946.901986][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.901986][ T7704] [ 7957.140850][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7957.141251][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7957.141251][ T7704] netdev_get_by_index+0x5e/0x80 [ 7957.141251][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7957.141251][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7957.141251][ T7704] ip6_route_add+0x1c/0x140 [ 7957.141251][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7957.141251][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7957.141251][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7957.141251][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7957.141251][ T7704] netlink_rcv_skb+0x130/0x360 [ 7957.141251][ T7704] netlink_unicast+0x449/0x710 [ 7957.141251][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7957.141251][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7957.141251][ T7704] ___sys_sendmsg+0xee/0x170 [ 7957.141251][ T7704] __sys_sendmsg+0xcd/0x170 [ 7957.141251][ T7704] do_syscall_64+0xc6/0x1e0 [ 7957.141251][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7957.141251][ T7704] [ 7957.143487][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7957.143487][ T7704] netdev_get_by_index+0x5e/0x80 [ 7957.143487][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7957.143487][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7957.143487][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7957.143487][ T7704] ipv6_add_addr+0x411/0x2000 [ 7957.143487][ T7704] inet6_addr_add+0x30e/0xa40 [ 7957.143487][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7957.143487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7957.143487][ T7704] netlink_rcv_skb+0x130/0x360 [ 7957.143487][ T7704] netlink_unicast+0x449/0x710 [ 7957.143487][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7957.143487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7957.143487][ T7704] ___sys_sendmsg+0xee/0x170 [ 7957.143487][ T7704] __sys_sendmsg+0xcd/0x170 [ 7957.143487][ T7704] do_syscall_64+0xc6/0x1e0 [ 7957.143487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7957.143487][ T7704] [ 7957.145699][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7957.145699][ T7704] netdev_get_by_index+0x5e/0x80 [ 7957.145699][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7957.145699][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7957.145699][ T7704] ip6_route_add+0x1c/0x140 [ 7957.145699][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7957.145699][ T7704] addrconf_add_dev+0xe2/0x170 [ 7957.145699][ T7704] inet6_addr_add+0x12f/0xa40 [ 7957.145699][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7957.145699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7957.145699][ T7704] netlink_rcv_skb+0x130/0x360 [ 7957.145699][ T7704] netlink_unicast+0x449/0x710 [ 7957.145699][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7957.145699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7957.145699][ T7704] ___sys_sendmsg+0xee/0x170 [ 7957.145699][ T7704] __sys_sendmsg+0xcd/0x170 [ 7957.145699][ T7704] do_syscall_64+0xc6/0x1e0 [ 7957.145699][ T7704] [ 7957.147953][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7957.147953][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7957.147953][ T7704] ipv6_find_idev+0x102/0x170 [ 7957.147953][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7957.147953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7957.147953][ T7704] netlink_rcv_skb+0x130/0x360 [ 7957.147953][ T7704] netlink_unicast+0x449/0x710 [ 7957.147953][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7957.147953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7957.147953][ T7704] ___sys_sendmsg+0xee/0x170 [ 7957.147953][ T7704] __sys_sendmsg+0xcd/0x170 [ 7957.147953][ T7704] do_syscall_64+0xc6/0x1e0 [ 7957.147953][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7957.147953][ T7704] [ 7957.149648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7957.149648][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7957.149648][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7957.149648][ T7704] ipv6_find_idev+0x102/0x170 [ 7957.149648][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7957.149648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7957.149648][ T7704] netlink_rcv_skb+0x130/0x360 [ 7957.149648][ T7704] netlink_unicast+0x449/0x710 [ 7957.149648][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7957.149648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7957.149648][ T7704] ___sys_sendmsg+0xee/0x170 [ 7957.149648][ T7704] __sys_sendmsg+0xcd/0x170 [ 7957.149648][ T7704] do_syscall_64+0xc6/0x1e0 [ 7957.149648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7957.149648][ T7704] [ 7967.388797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7967.389259][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7967.389259][ T7704] netdev_get_by_index+0x5e/0x80 [ 7967.389259][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7967.389259][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7967.389259][ T7704] ip6_route_add+0x1c/0x140 [ 7967.389259][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7967.389259][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7967.389259][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7967.389259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.389259][ T7704] netlink_rcv_skb+0x130/0x360 [ 7967.389259][ T7704] netlink_unicast+0x449/0x710 [ 7967.389259][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7967.389259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7967.389259][ T7704] ___sys_sendmsg+0xee/0x170 [ 7967.389259][ T7704] __sys_sendmsg+0xcd/0x170 [ 7967.389259][ T7704] do_syscall_64+0xc6/0x1e0 [ 7967.389259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7967.389259][ T7704] [ 7967.391493][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7967.391493][ T7704] netdev_get_by_index+0x5e/0x80 [ 7967.391493][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7967.391493][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7967.391493][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7967.391493][ T7704] ipv6_add_addr+0x411/0x2000 [ 7967.391493][ T7704] inet6_addr_add+0x30e/0xa40 [ 7967.391493][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7967.391493][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.391493][ T7704] netlink_rcv_skb+0x130/0x360 [ 7967.391493][ T7704] netlink_unicast+0x449/0x710 [ 7967.391493][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7967.391493][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7967.391493][ T7704] ___sys_sendmsg+0xee/0x170 [ 7967.391493][ T7704] __sys_sendmsg+0xcd/0x170 [ 7967.391493][ T7704] do_syscall_64+0xc6/0x1e0 [ 7967.391493][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7967.391493][ T7704] [ 7967.393696][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7967.393696][ T7704] netdev_get_by_index+0x5e/0x80 [ 7967.393696][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7967.393696][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7967.393696][ T7704] ip6_route_add+0x1c/0x140 [ 7967.393696][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7967.393696][ T7704] addrconf_add_dev+0xe2/0x170 [ 7967.393696][ T7704] inet6_addr_add+0x12f/0xa40 [ 7967.393696][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7967.393696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.393696][ T7704] netlink_rcv_skb+0x130/0x360 [ 7967.393696][ T7704] netlink_unicast+0x449/0x710 [ 7967.393696][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7967.393696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7967.393696][ T7704] ___sys_sendmsg+0xee/0x170 [ 7967.393696][ T7704] __sys_sendmsg+0xcd/0x170 [ 7967.393696][ T7704] do_syscall_64+0xc6/0x1e0 [ 7967.393696][ T7704] [ 7967.395890][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7967.395890][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7967.395890][ T7704] ipv6_find_idev+0x102/0x170 [ 7967.395890][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7967.395890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.395890][ T7704] netlink_rcv_skb+0x130/0x360 [ 7967.395890][ T7704] netlink_unicast+0x449/0x710 [ 7967.395890][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7967.395890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7967.395890][ T7704] ___sys_sendmsg+0xee/0x170 [ 7967.395890][ T7704] __sys_sendmsg+0xcd/0x170 [ 7967.395890][ T7704] do_syscall_64+0xc6/0x1e0 [ 7967.395890][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7967.395890][ T7704] [ 7967.397587][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7967.397587][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7967.397587][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7967.397587][ T7704] ipv6_find_idev+0x102/0x170 [ 7967.397587][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7967.397587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.397587][ T7704] netlink_rcv_skb+0x130/0x360 [ 7967.397587][ T7704] netlink_unicast+0x449/0x710 [ 7967.397587][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7967.397587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7967.397587][ T7704] ___sys_sendmsg+0xee/0x170 [ 7967.397587][ T7704] __sys_sendmsg+0xcd/0x170 [ 7967.397587][ T7704] do_syscall_64+0xc6/0x1e0 [ 7967.397587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7967.397587][ T7704] [ 7977.636817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7977.637291][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7977.637291][ T7704] netdev_get_by_index+0x5e/0x80 [ 7977.637291][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7977.637291][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7977.637291][ T7704] ip6_route_add+0x1c/0x140 [ 7977.637291][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7977.637291][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7977.637291][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7977.637291][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.637291][ T7704] netlink_rcv_skb+0x130/0x360 [ 7977.637291][ T7704] netlink_unicast+0x449/0x710 [ 7977.637291][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7977.637291][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7977.637291][ T7704] ___sys_sendmsg+0xee/0x170 [ 7977.637291][ T7704] __sys_sendmsg+0xcd/0x170 [ 7977.637291][ T7704] do_syscall_64+0xc6/0x1e0 [ 7977.637291][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.637291][ T7704] [ 7977.639512][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7977.639512][ T7704] netdev_get_by_index+0x5e/0x80 [ 7977.639512][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7977.639512][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7977.639512][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7977.639512][ T7704] ipv6_add_addr+0x411/0x2000 [ 7977.639512][ T7704] inet6_addr_add+0x30e/0xa40 [ 7977.639512][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7977.639512][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.639512][ T7704] netlink_rcv_skb+0x130/0x360 [ 7977.639512][ T7704] netlink_unicast+0x449/0x710 [ 7977.639512][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7977.639512][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7977.639512][ T7704] ___sys_sendmsg+0xee/0x170 [ 7977.639512][ T7704] __sys_sendmsg+0xcd/0x170 [ 7977.639512][ T7704] do_syscall_64+0xc6/0x1e0 [ 7977.639512][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.639512][ T7704] [ 7977.641719][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7977.641719][ T7704] netdev_get_by_index+0x5e/0x80 [ 7977.641719][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7977.641719][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7977.641719][ T7704] ip6_route_add+0x1c/0x140 [ 7977.641719][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7977.641719][ T7704] addrconf_add_dev+0xe2/0x170 [ 7977.641719][ T7704] inet6_addr_add+0x12f/0xa40 [ 7977.641719][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7977.641719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.641719][ T7704] netlink_rcv_skb+0x130/0x360 [ 7977.641719][ T7704] netlink_unicast+0x449/0x710 [ 7977.641719][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7977.641719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7977.641719][ T7704] ___sys_sendmsg+0xee/0x170 [ 7977.641719][ T7704] __sys_sendmsg+0xcd/0x170 [ 7977.641719][ T7704] do_syscall_64+0xc6/0x1e0 [ 7977.641719][ T7704] [ 7977.643890][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7977.643890][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7977.643890][ T7704] ipv6_find_idev+0x102/0x170 [ 7977.643890][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7977.643890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.643890][ T7704] netlink_rcv_skb+0x130/0x360 [ 7977.643890][ T7704] netlink_unicast+0x449/0x710 [ 7977.643890][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7977.643890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7977.643890][ T7704] ___sys_sendmsg+0xee/0x170 [ 7977.643890][ T7704] __sys_sendmsg+0xcd/0x170 [ 7977.643890][ T7704] do_syscall_64+0xc6/0x1e0 [ 7977.643890][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.643890][ T7704] [ 7977.645581][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7977.645581][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7977.645581][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7977.645581][ T7704] ipv6_find_idev+0x102/0x170 [ 7977.645581][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7977.645581][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.645581][ T7704] netlink_rcv_skb+0x130/0x360 [ 7977.645581][ T7704] netlink_unicast+0x449/0x710 [ 7977.645581][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7977.645581][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7977.645581][ T7704] ___sys_sendmsg+0xee/0x170 [ 7977.645581][ T7704] __sys_sendmsg+0xcd/0x170 [ 7977.645581][ T7704] do_syscall_64+0xc6/0x1e0 [ 7977.645581][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.645581][ T7704] [ 7987.884740][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7987.885176][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7987.885176][ T7704] netdev_get_by_index+0x5e/0x80 [ 7987.885176][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7987.885176][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7987.885176][ T7704] ip6_route_add+0x1c/0x140 [ 7987.885176][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7987.885176][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7987.885176][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7987.885176][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.885176][ T7704] netlink_rcv_skb+0x130/0x360 [ 7987.885176][ T7704] netlink_unicast+0x449/0x710 [ 7987.885176][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7987.885176][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7987.885176][ T7704] ___sys_sendmsg+0xee/0x170 [ 7987.885176][ T7704] __sys_sendmsg+0xcd/0x170 [ 7987.885176][ T7704] do_syscall_64+0xc6/0x1e0 [ 7987.885176][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.885176][ T7704] [ 7987.887402][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7987.887402][ T7704] netdev_get_by_index+0x5e/0x80 [ 7987.887402][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7987.887402][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7987.887402][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7987.887402][ T7704] ipv6_add_addr+0x411/0x2000 [ 7987.887402][ T7704] inet6_addr_add+0x30e/0xa40 [ 7987.887402][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7987.887402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.887402][ T7704] netlink_rcv_skb+0x130/0x360 [ 7987.887402][ T7704] netlink_unicast+0x449/0x710 [ 7987.887402][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7987.887402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7987.887402][ T7704] ___sys_sendmsg+0xee/0x170 [ 7987.887402][ T7704] __sys_sendmsg+0xcd/0x170 [ 7987.887402][ T7704] do_syscall_64+0xc6/0x1e0 [ 7987.887402][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.887402][ T7704] [ 7987.890125][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7987.890125][ T7704] netdev_get_by_index+0x5e/0x80 [ 7987.890125][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7987.890125][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7987.890125][ T7704] ip6_route_add+0x1c/0x140 [ 7987.890125][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7987.890125][ T7704] addrconf_add_dev+0xe2/0x170 [ 7987.890125][ T7704] inet6_addr_add+0x12f/0xa40 [ 7987.890125][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7987.890125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.890125][ T7704] netlink_rcv_skb+0x130/0x360 [ 7987.890125][ T7704] netlink_unicast+0x449/0x710 [ 7987.890125][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7987.890125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7987.890125][ T7704] ___sys_sendmsg+0xee/0x170 [ 7987.890125][ T7704] __sys_sendmsg+0xcd/0x170 [ 7987.890125][ T7704] do_syscall_64+0xc6/0x1e0 [ 7987.890125][ T7704] [ 7987.892306][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7987.892306][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7987.892306][ T7704] ipv6_find_idev+0x102/0x170 [ 7987.892306][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7987.892306][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.892306][ T7704] netlink_rcv_skb+0x130/0x360 [ 7987.892306][ T7704] netlink_unicast+0x449/0x710 [ 7987.892306][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7987.892306][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7987.892306][ T7704] ___sys_sendmsg+0xee/0x170 [ 7987.892306][ T7704] __sys_sendmsg+0xcd/0x170 [ 7987.892306][ T7704] do_syscall_64+0xc6/0x1e0 [ 7987.892306][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.892306][ T7704] [ 7987.894016][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7987.894016][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7987.894016][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7987.894016][ T7704] ipv6_find_idev+0x102/0x170 [ 7987.894016][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7987.894016][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.894016][ T7704] netlink_rcv_skb+0x130/0x360 [ 7987.894016][ T7704] netlink_unicast+0x449/0x710 [ 7987.894016][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7987.894016][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7987.894016][ T7704] ___sys_sendmsg+0xee/0x170 [ 7987.894016][ T7704] __sys_sendmsg+0xcd/0x170 [ 7987.894016][ T7704] do_syscall_64+0xc6/0x1e0 [ 7987.894016][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.894016][ T7704] [ 7998.004743][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 7998.005256][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7998.005256][ T7704] netdev_get_by_index+0x5e/0x80 [ 7998.005256][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7998.005256][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7998.005256][ T7704] ip6_route_add+0x1c/0x140 [ 7998.005256][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 7998.005256][ T7704] inet6_addr_add+0x4f8/0xa40 [ 7998.005256][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7998.005256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7998.005256][ T7704] netlink_rcv_skb+0x130/0x360 [ 7998.005256][ T7704] netlink_unicast+0x449/0x710 [ 7998.005256][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7998.005256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7998.005256][ T7704] ___sys_sendmsg+0xee/0x170 [ 7998.005256][ T7704] __sys_sendmsg+0xcd/0x170 [ 7998.005256][ T7704] do_syscall_64+0xc6/0x1e0 [ 7998.005256][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7998.005256][ T7704] [ 7998.007875][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7998.007875][ T7704] netdev_get_by_index+0x5e/0x80 [ 7998.007875][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7998.007875][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7998.007875][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 7998.007875][ T7704] ipv6_add_addr+0x411/0x2000 [ 7998.007875][ T7704] inet6_addr_add+0x30e/0xa40 [ 7998.007875][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7998.007875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7998.007875][ T7704] netlink_rcv_skb+0x130/0x360 [ 7998.007875][ T7704] netlink_unicast+0x449/0x710 [ 7998.007875][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7998.007875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7998.007875][ T7704] ___sys_sendmsg+0xee/0x170 [ 7998.007875][ T7704] __sys_sendmsg+0xcd/0x170 [ 7998.007875][ T7704] do_syscall_64+0xc6/0x1e0 [ 7998.007875][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7998.007875][ T7704] [ 7998.010077][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7998.010077][ T7704] netdev_get_by_index+0x5e/0x80 [ 7998.010077][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 7998.010077][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 7998.010077][ T7704] ip6_route_add+0x1c/0x140 [ 7998.010077][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 7998.010077][ T7704] addrconf_add_dev+0xe2/0x170 [ 7998.010077][ T7704] inet6_addr_add+0x12f/0xa40 [ 7998.010077][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 7998.010077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7998.010077][ T7704] netlink_rcv_skb+0x130/0x360 [ 7998.010077][ T7704] netlink_unicast+0x449/0x710 [ 7998.010077][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7998.010077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7998.010077][ T7704] ___sys_sendmsg+0xee/0x170 [ 7998.010077][ T7704] __sys_sendmsg+0xcd/0x170 [ 7998.010077][ T7704] do_syscall_64+0xc6/0x1e0 [ 7998.010077][ T7704] [ 7998.012248][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7998.012248][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 7998.012248][ T7704] ipv6_find_idev+0x102/0x170 [ 7998.012248][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7998.012248][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7998.012248][ T7704] netlink_rcv_skb+0x130/0x360 [ 7998.012248][ T7704] netlink_unicast+0x449/0x710 [ 7998.012248][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7998.012248][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7998.012248][ T7704] ___sys_sendmsg+0xee/0x170 [ 7998.012248][ T7704] __sys_sendmsg+0xcd/0x170 [ 7998.012248][ T7704] do_syscall_64+0xc6/0x1e0 [ 7998.012248][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7998.012248][ T7704] [ 7998.013959][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 7998.013959][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 7998.013959][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 7998.013959][ T7704] ipv6_find_idev+0x102/0x170 [ 7998.013959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 7998.013959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7998.013959][ T7704] netlink_rcv_skb+0x130/0x360 [ 7998.013959][ T7704] netlink_unicast+0x449/0x710 [ 7998.013959][ T7704] netlink_sendmsg+0x723/0xbe0 [ 7998.013959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 7998.013959][ T7704] ___sys_sendmsg+0xee/0x170 [ 7998.013959][ T7704] __sys_sendmsg+0xcd/0x170 [ 7998.013959][ T7704] do_syscall_64+0xc6/0x1e0 [ 7998.013959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7998.013959][ T7704] [ 8008.252897][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8008.253440][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8008.253440][ T7704] netdev_get_by_index+0x5e/0x80 [ 8008.253440][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8008.253440][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8008.253440][ T7704] ip6_route_add+0x1c/0x140 [ 8008.253440][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8008.253440][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8008.253440][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8008.253440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8008.253440][ T7704] netlink_rcv_skb+0x130/0x360 [ 8008.253440][ T7704] netlink_unicast+0x449/0x710 [ 8008.253440][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8008.253440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8008.253440][ T7704] ___sys_sendmsg+0xee/0x170 [ 8008.253440][ T7704] __sys_sendmsg+0xcd/0x170 [ 8008.253440][ T7704] do_syscall_64+0xc6/0x1e0 [ 8008.253440][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8008.253440][ T7704] [ 8008.255689][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8008.255689][ T7704] netdev_get_by_index+0x5e/0x80 [ 8008.255689][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8008.255689][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8008.255689][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8008.255689][ T7704] ipv6_add_addr+0x411/0x2000 [ 8008.255689][ T7704] inet6_addr_add+0x30e/0xa40 [ 8008.255689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8008.255689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8008.255689][ T7704] netlink_rcv_skb+0x130/0x360 [ 8008.255689][ T7704] netlink_unicast+0x449/0x710 [ 8008.255689][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8008.255689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8008.255689][ T7704] ___sys_sendmsg+0xee/0x170 [ 8008.255689][ T7704] __sys_sendmsg+0xcd/0x170 [ 8008.255689][ T7704] do_syscall_64+0xc6/0x1e0 [ 8008.255689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8008.255689][ T7704] [ 8008.257895][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8008.257895][ T7704] netdev_get_by_index+0x5e/0x80 [ 8008.257895][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8008.257895][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8008.257895][ T7704] ip6_route_add+0x1c/0x140 [ 8008.257895][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8008.257895][ T7704] addrconf_add_dev+0xe2/0x170 [ 8008.257895][ T7704] inet6_addr_add+0x12f/0xa40 [ 8008.257895][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8008.257895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8008.257895][ T7704] netlink_rcv_skb+0x130/0x360 [ 8008.257895][ T7704] netlink_unicast+0x449/0x710 [ 8008.257895][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8008.257895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8008.257895][ T7704] ___sys_sendmsg+0xee/0x170 [ 8008.257895][ T7704] __sys_sendmsg+0xcd/0x170 [ 8008.257895][ T7704] do_syscall_64+0xc6/0x1e0 [ 8008.257895][ T7704] [ 8008.260069][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8008.260069][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8008.260069][ T7704] ipv6_find_idev+0x102/0x170 [ 8008.260069][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8008.260069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8008.260069][ T7704] netlink_rcv_skb+0x130/0x360 [ 8008.260069][ T7704] netlink_unicast+0x449/0x710 [ 8008.260069][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8008.260069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8008.260069][ T7704] ___sys_sendmsg+0xee/0x170 [ 8008.260069][ T7704] __sys_sendmsg+0xcd/0x170 [ 8008.260069][ T7704] do_syscall_64+0xc6/0x1e0 [ 8008.260069][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8008.260069][ T7704] [ 8008.261777][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8008.261777][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8008.261777][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8008.261777][ T7704] ipv6_find_idev+0x102/0x170 [ 8008.261777][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8008.261777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8008.261777][ T7704] netlink_rcv_skb+0x130/0x360 [ 8008.261777][ T7704] netlink_unicast+0x449/0x710 [ 8008.261777][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8008.261777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8008.261777][ T7704] ___sys_sendmsg+0xee/0x170 [ 8008.261777][ T7704] __sys_sendmsg+0xcd/0x170 [ 8008.261777][ T7704] do_syscall_64+0xc6/0x1e0 [ 8008.261777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8008.261777][ T7704] [ 8018.500810][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8018.501284][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8018.501284][ T7704] netdev_get_by_index+0x5e/0x80 [ 8018.501284][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8018.501284][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8018.501284][ T7704] ip6_route_add+0x1c/0x140 [ 8018.501284][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8018.501284][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8018.501284][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8018.501284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.501284][ T7704] netlink_rcv_skb+0x130/0x360 [ 8018.501284][ T7704] netlink_unicast+0x449/0x710 [ 8018.501284][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8018.501284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8018.501284][ T7704] ___sys_sendmsg+0xee/0x170 [ 8018.501284][ T7704] __sys_sendmsg+0xcd/0x170 [ 8018.501284][ T7704] do_syscall_64+0xc6/0x1e0 [ 8018.501284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.501284][ T7704] [ 8018.503505][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8018.503505][ T7704] netdev_get_by_index+0x5e/0x80 [ 8018.503505][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8018.503505][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8018.503505][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8018.503505][ T7704] ipv6_add_addr+0x411/0x2000 [ 8018.503505][ T7704] inet6_addr_add+0x30e/0xa40 [ 8018.503505][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8018.503505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.503505][ T7704] netlink_rcv_skb+0x130/0x360 [ 8018.503505][ T7704] netlink_unicast+0x449/0x710 [ 8018.503505][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8018.503505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8018.503505][ T7704] ___sys_sendmsg+0xee/0x170 [ 8018.503505][ T7704] __sys_sendmsg+0xcd/0x170 [ 8018.503505][ T7704] do_syscall_64+0xc6/0x1e0 [ 8018.503505][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.503505][ T7704] [ 8018.505719][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8018.505719][ T7704] netdev_get_by_index+0x5e/0x80 [ 8018.505719][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8018.505719][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8018.505719][ T7704] ip6_route_add+0x1c/0x140 [ 8018.505719][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8018.505719][ T7704] addrconf_add_dev+0xe2/0x170 [ 8018.505719][ T7704] inet6_addr_add+0x12f/0xa40 [ 8018.505719][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8018.505719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.505719][ T7704] netlink_rcv_skb+0x130/0x360 [ 8018.505719][ T7704] netlink_unicast+0x449/0x710 [ 8018.505719][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8018.505719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8018.505719][ T7704] ___sys_sendmsg+0xee/0x170 [ 8018.505719][ T7704] __sys_sendmsg+0xcd/0x170 [ 8018.505719][ T7704] do_syscall_64+0xc6/0x1e0 [ 8018.505719][ T7704] [ 8018.507873][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8018.507873][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8018.507873][ T7704] ipv6_find_idev+0x102/0x170 [ 8018.507873][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8018.507873][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.507873][ T7704] netlink_rcv_skb+0x130/0x360 [ 8018.507873][ T7704] netlink_unicast+0x449/0x710 [ 8018.507873][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8018.507873][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8018.507873][ T7704] ___sys_sendmsg+0xee/0x170 [ 8018.507873][ T7704] __sys_sendmsg+0xcd/0x170 [ 8018.507873][ T7704] do_syscall_64+0xc6/0x1e0 [ 8018.507873][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.507873][ T7704] [ 8018.509572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8018.509572][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8018.509572][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8018.509572][ T7704] ipv6_find_idev+0x102/0x170 [ 8018.509572][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8018.509572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.509572][ T7704] netlink_rcv_skb+0x130/0x360 [ 8018.509572][ T7704] netlink_unicast+0x449/0x710 [ 8018.509572][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8018.509572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8018.509572][ T7704] ___sys_sendmsg+0xee/0x170 [ 8018.509572][ T7704] __sys_sendmsg+0xcd/0x170 [ 8018.509572][ T7704] do_syscall_64+0xc6/0x1e0 [ 8018.509572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.509572][ T7704] [ 8028.748827][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8028.749290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8028.749290][ T7704] netdev_get_by_index+0x5e/0x80 [ 8028.749290][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8028.749290][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8028.749290][ T7704] ip6_route_add+0x1c/0x140 [ 8028.749290][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8028.749290][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8028.749290][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8028.749290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.749290][ T7704] netlink_rcv_skb+0x130/0x360 [ 8028.749290][ T7704] netlink_unicast+0x449/0x710 [ 8028.749290][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8028.749290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8028.749290][ T7704] ___sys_sendmsg+0xee/0x170 [ 8028.749290][ T7704] __sys_sendmsg+0xcd/0x170 [ 8028.749290][ T7704] do_syscall_64+0xc6/0x1e0 [ 8028.749290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.749290][ T7704] [ 8028.751515][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8028.751515][ T7704] netdev_get_by_index+0x5e/0x80 [ 8028.751515][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8028.751515][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8028.751515][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8028.751515][ T7704] ipv6_add_addr+0x411/0x2000 [ 8028.751515][ T7704] inet6_addr_add+0x30e/0xa40 [ 8028.751515][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8028.751515][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.751515][ T7704] netlink_rcv_skb+0x130/0x360 [ 8028.751515][ T7704] netlink_unicast+0x449/0x710 [ 8028.751515][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8028.751515][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8028.751515][ T7704] ___sys_sendmsg+0xee/0x170 [ 8028.751515][ T7704] __sys_sendmsg+0xcd/0x170 [ 8028.751515][ T7704] do_syscall_64+0xc6/0x1e0 [ 8028.751515][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.751515][ T7704] [ 8028.753736][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8028.753736][ T7704] netdev_get_by_index+0x5e/0x80 [ 8028.753736][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8028.753736][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8028.753736][ T7704] ip6_route_add+0x1c/0x140 [ 8028.753736][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8028.753736][ T7704] addrconf_add_dev+0xe2/0x170 [ 8028.753736][ T7704] inet6_addr_add+0x12f/0xa40 [ 8028.753736][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8028.753736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.753736][ T7704] netlink_rcv_skb+0x130/0x360 [ 8028.753736][ T7704] netlink_unicast+0x449/0x710 [ 8028.753736][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8028.753736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8028.753736][ T7704] ___sys_sendmsg+0xee/0x170 [ 8028.753736][ T7704] __sys_sendmsg+0xcd/0x170 [ 8028.753736][ T7704] do_syscall_64+0xc6/0x1e0 [ 8028.753736][ T7704] [ 8028.755895][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8028.755895][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8028.755895][ T7704] ipv6_find_idev+0x102/0x170 [ 8028.755895][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8028.755895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.755895][ T7704] netlink_rcv_skb+0x130/0x360 [ 8028.755895][ T7704] netlink_unicast+0x449/0x710 [ 8028.755895][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8028.755895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8028.755895][ T7704] ___sys_sendmsg+0xee/0x170 [ 8028.755895][ T7704] __sys_sendmsg+0xcd/0x170 [ 8028.755895][ T7704] do_syscall_64+0xc6/0x1e0 [ 8028.755895][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.755895][ T7704] [ 8028.757587][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8028.757587][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8028.757587][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8028.757587][ T7704] ipv6_find_idev+0x102/0x170 [ 8028.757587][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8028.757587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.757587][ T7704] netlink_rcv_skb+0x130/0x360 [ 8028.757587][ T7704] netlink_unicast+0x449/0x710 [ 8028.757587][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8028.757587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8028.757587][ T7704] ___sys_sendmsg+0xee/0x170 [ 8028.757587][ T7704] __sys_sendmsg+0xcd/0x170 [ 8028.757587][ T7704] do_syscall_64+0xc6/0x1e0 [ 8028.757587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.757587][ T7704] [ 8038.996834][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8038.997298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8038.997298][ T7704] netdev_get_by_index+0x5e/0x80 [ 8038.997298][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8038.997298][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8038.997298][ T7704] ip6_route_add+0x1c/0x140 [ 8038.997298][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8038.997298][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8038.997298][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8038.997298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.997298][ T7704] netlink_rcv_skb+0x130/0x360 [ 8038.997298][ T7704] netlink_unicast+0x449/0x710 [ 8038.997298][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8038.997298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8038.997298][ T7704] ___sys_sendmsg+0xee/0x170 [ 8038.997298][ T7704] __sys_sendmsg+0xcd/0x170 [ 8038.997298][ T7704] do_syscall_64+0xc6/0x1e0 [ 8038.997298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8038.997298][ T7704] [ 8038.999533][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8038.999533][ T7704] netdev_get_by_index+0x5e/0x80 [ 8038.999533][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8038.999533][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8038.999533][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8038.999533][ T7704] ipv6_add_addr+0x411/0x2000 [ 8038.999533][ T7704] inet6_addr_add+0x30e/0xa40 [ 8038.999533][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8038.999533][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.999533][ T7704] netlink_rcv_skb+0x130/0x360 [ 8038.999533][ T7704] netlink_unicast+0x449/0x710 [ 8038.999533][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8038.999533][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8038.999533][ T7704] ___sys_sendmsg+0xee/0x170 [ 8038.999533][ T7704] __sys_sendmsg+0xcd/0x170 [ 8038.999533][ T7704] do_syscall_64+0xc6/0x1e0 [ 8038.999533][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8038.999533][ T7704] [ 8039.001732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8039.001732][ T7704] netdev_get_by_index+0x5e/0x80 [ 8039.001732][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8039.001732][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8039.001732][ T7704] ip6_route_add+0x1c/0x140 [ 8039.001732][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8039.001732][ T7704] addrconf_add_dev+0xe2/0x170 [ 8039.001732][ T7704] inet6_addr_add+0x12f/0xa40 [ 8039.001732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8039.001732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8039.001732][ T7704] netlink_rcv_skb+0x130/0x360 [ 8039.001732][ T7704] netlink_unicast+0x449/0x710 [ 8039.001732][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8039.001732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8039.001732][ T7704] ___sys_sendmsg+0xee/0x170 [ 8039.001732][ T7704] __sys_sendmsg+0xcd/0x170 [ 8039.001732][ T7704] do_syscall_64+0xc6/0x1e0 [ 8039.001732][ T7704] [ 8039.003914][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8039.003914][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8039.003914][ T7704] ipv6_find_idev+0x102/0x170 [ 8039.003914][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8039.003914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8039.003914][ T7704] netlink_rcv_skb+0x130/0x360 [ 8039.003914][ T7704] netlink_unicast+0x449/0x710 [ 8039.003914][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8039.003914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8039.003914][ T7704] ___sys_sendmsg+0xee/0x170 [ 8039.003914][ T7704] __sys_sendmsg+0xcd/0x170 [ 8039.003914][ T7704] do_syscall_64+0xc6/0x1e0 [ 8039.003914][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8039.003914][ T7704] [ 8039.005606][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8039.005606][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8039.005606][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8039.005606][ T7704] ipv6_find_idev+0x102/0x170 [ 8039.005606][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8039.005606][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8039.005606][ T7704] netlink_rcv_skb+0x130/0x360 [ 8039.005606][ T7704] netlink_unicast+0x449/0x710 [ 8039.005606][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8039.005606][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8039.005606][ T7704] ___sys_sendmsg+0xee/0x170 [ 8039.005606][ T7704] __sys_sendmsg+0xcd/0x170 [ 8039.005606][ T7704] do_syscall_64+0xc6/0x1e0 [ 8039.005606][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8039.005606][ T7704] [ 8049.148822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8049.149339][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8049.149339][ T7704] netdev_get_by_index+0x5e/0x80 [ 8049.149339][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8049.149339][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8049.149339][ T7704] ip6_route_add+0x1c/0x140 [ 8049.149339][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8049.149339][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8049.149339][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8049.149339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8049.149339][ T7704] netlink_rcv_skb+0x130/0x360 [ 8049.149339][ T7704] netlink_unicast+0x449/0x710 [ 8049.149339][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8049.149339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8049.149339][ T7704] ___sys_sendmsg+0xee/0x170 [ 8049.149339][ T7704] __sys_sendmsg+0xcd/0x170 [ 8049.149339][ T7704] do_syscall_64+0xc6/0x1e0 [ 8049.149339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8049.149339][ T7704] [ 8049.151565][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8049.151565][ T7704] netdev_get_by_index+0x5e/0x80 [ 8049.151565][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8049.151565][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8049.151565][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8049.151565][ T7704] ipv6_add_addr+0x411/0x2000 [ 8049.151565][ T7704] inet6_addr_add+0x30e/0xa40 [ 8049.151565][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8049.151565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8049.151565][ T7704] netlink_rcv_skb+0x130/0x360 [ 8049.151565][ T7704] netlink_unicast+0x449/0x710 [ 8049.151565][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8049.151565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8049.151565][ T7704] ___sys_sendmsg+0xee/0x170 [ 8049.151565][ T7704] __sys_sendmsg+0xcd/0x170 [ 8049.151565][ T7704] do_syscall_64+0xc6/0x1e0 [ 8049.151565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8049.151565][ T7704] [ 8049.153827][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8049.153827][ T7704] netdev_get_by_index+0x5e/0x80 [ 8049.153827][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8049.153827][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8049.153827][ T7704] ip6_route_add+0x1c/0x140 [ 8049.153827][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8049.153827][ T7704] addrconf_add_dev+0xe2/0x170 [ 8049.153827][ T7704] inet6_addr_add+0x12f/0xa40 [ 8049.153827][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8049.153827][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8049.153827][ T7704] netlink_rcv_skb+0x130/0x360 [ 8049.153827][ T7704] netlink_unicast+0x449/0x710 [ 8049.153827][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8049.153827][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8049.153827][ T7704] ___sys_sendmsg+0xee/0x170 [ 8049.153827][ T7704] __sys_sendmsg+0xcd/0x170 [ 8049.153827][ T7704] do_syscall_64+0xc6/0x1e0 [ 8049.153827][ T7704] [ 8049.155997][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8049.155997][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8049.155997][ T7704] ipv6_find_idev+0x102/0x170 [ 8049.155997][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8049.155997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8049.155997][ T7704] netlink_rcv_skb+0x130/0x360 [ 8049.155997][ T7704] netlink_unicast+0x449/0x710 [ 8049.155997][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8049.155997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8049.155997][ T7704] ___sys_sendmsg+0xee/0x170 [ 8049.155997][ T7704] __sys_sendmsg+0xcd/0x170 [ 8049.155997][ T7704] do_syscall_64+0xc6/0x1e0 [ 8049.155997][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8049.155997][ T7704] [ 8049.157683][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8049.157683][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8049.157683][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8049.157683][ T7704] ipv6_find_idev+0x102/0x170 [ 8049.157683][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8049.157683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8049.157683][ T7704] netlink_rcv_skb+0x130/0x360 [ 8049.157683][ T7704] netlink_unicast+0x449/0x710 [ 8049.157683][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8049.157683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8049.157683][ T7704] ___sys_sendmsg+0xee/0x170 [ 8049.157683][ T7704] __sys_sendmsg+0xcd/0x170 [ 8049.157683][ T7704] do_syscall_64+0xc6/0x1e0 [ 8049.157683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8049.157683][ T7704] [ 8059.396770][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8059.397437][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8059.397437][ T7704] netdev_get_by_index+0x5e/0x80 [ 8059.397437][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8059.397437][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8059.397437][ T7704] ip6_route_add+0x1c/0x140 [ 8059.397437][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8059.397437][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8059.397437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8059.397437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.397437][ T7704] netlink_rcv_skb+0x130/0x360 [ 8059.397437][ T7704] netlink_unicast+0x449/0x710 [ 8059.397437][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8059.397437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8059.397437][ T7704] ___sys_sendmsg+0xee/0x170 [ 8059.397437][ T7704] __sys_sendmsg+0xcd/0x170 [ 8059.397437][ T7704] do_syscall_64+0xc6/0x1e0 [ 8059.397437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.397437][ T7704] [ 8059.400871][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8059.400871][ T7704] netdev_get_by_index+0x5e/0x80 [ 8059.400871][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8059.400871][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8059.400871][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8059.400871][ T7704] ipv6_add_addr+0x411/0x2000 [ 8059.400871][ T7704] inet6_addr_add+0x30e/0xa40 [ 8059.400871][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8059.400871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.400871][ T7704] netlink_rcv_skb+0x130/0x360 [ 8059.400871][ T7704] netlink_unicast+0x449/0x710 [ 8059.400871][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8059.400871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8059.400871][ T7704] ___sys_sendmsg+0xee/0x170 [ 8059.400871][ T7704] __sys_sendmsg+0xcd/0x170 [ 8059.400871][ T7704] do_syscall_64+0xc6/0x1e0 [ 8059.400871][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.400871][ T7704] [ 8059.404252][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8059.404252][ T7704] netdev_get_by_index+0x5e/0x80 [ 8059.404252][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8059.404252][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8059.404252][ T7704] ip6_route_add+0x1c/0x140 [ 8059.404252][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8059.404252][ T7704] addrconf_add_dev+0xe2/0x170 [ 8059.404252][ T7704] inet6_addr_add+0x12f/0xa40 [ 8059.404252][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8059.404252][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.404252][ T7704] netlink_rcv_skb+0x130/0x360 [ 8059.404252][ T7704] netlink_unicast+0x449/0x710 [ 8059.404252][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8059.404252][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8059.404252][ T7704] ___sys_sendmsg+0xee/0x170 [ 8059.404252][ T7704] __sys_sendmsg+0xcd/0x170 [ 8059.404252][ T7704] do_syscall_64+0xc6/0x1e0 [ 8059.404252][ T7704] [ 8059.407663][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8059.407663][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8059.407663][ T7704] ipv6_find_idev+0x102/0x170 [ 8059.407663][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8059.407663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.407663][ T7704] netlink_rcv_skb+0x130/0x360 [ 8059.407663][ T7704] netlink_unicast+0x449/0x710 [ 8059.407663][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8059.407663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8059.407663][ T7704] ___sys_sendmsg+0xee/0x170 [ 8059.407663][ T7704] __sys_sendmsg+0xcd/0x170 [ 8059.407663][ T7704] do_syscall_64+0xc6/0x1e0 [ 8059.407663][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.407663][ T7704] [ 8059.410385][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8059.410385][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8059.410385][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8059.410385][ T7704] ipv6_find_idev+0x102/0x170 [ 8059.410385][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8059.410385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.410385][ T7704] netlink_rcv_skb+0x130/0x360 [ 8059.410385][ T7704] netlink_unicast+0x449/0x710 [ 8059.410385][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8059.410385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8059.410385][ T7704] ___sys_sendmsg+0xee/0x170 [ 8059.410385][ T7704] __sys_sendmsg+0xcd/0x170 [ 8059.410385][ T7704] do_syscall_64+0xc6/0x1e0 [ 8059.410385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.410385][ T7704] [ 8069.652847][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8069.653319][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8069.653319][ T7704] netdev_get_by_index+0x5e/0x80 [ 8069.653319][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8069.653319][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8069.653319][ T7704] ip6_route_add+0x1c/0x140 [ 8069.653319][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8069.653319][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8069.653319][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8069.653319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.653319][ T7704] netlink_rcv_skb+0x130/0x360 [ 8069.653319][ T7704] netlink_unicast+0x449/0x710 [ 8069.653319][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8069.653319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8069.653319][ T7704] ___sys_sendmsg+0xee/0x170 [ 8069.653319][ T7704] __sys_sendmsg+0xcd/0x170 [ 8069.653319][ T7704] do_syscall_64+0xc6/0x1e0 [ 8069.653319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.653319][ T7704] [ 8069.655558][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8069.655558][ T7704] netdev_get_by_index+0x5e/0x80 [ 8069.655558][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8069.655558][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8069.655558][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8069.655558][ T7704] ipv6_add_addr+0x411/0x2000 [ 8069.655558][ T7704] inet6_addr_add+0x30e/0xa40 [ 8069.655558][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8069.655558][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.655558][ T7704] netlink_rcv_skb+0x130/0x360 [ 8069.655558][ T7704] netlink_unicast+0x449/0x710 [ 8069.655558][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8069.655558][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8069.655558][ T7704] ___sys_sendmsg+0xee/0x170 [ 8069.655558][ T7704] __sys_sendmsg+0xcd/0x170 [ 8069.655558][ T7704] do_syscall_64+0xc6/0x1e0 [ 8069.655558][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.655558][ T7704] [ 8069.657752][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8069.657752][ T7704] netdev_get_by_index+0x5e/0x80 [ 8069.657752][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8069.657752][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8069.657752][ T7704] ip6_route_add+0x1c/0x140 [ 8069.657752][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8069.657752][ T7704] addrconf_add_dev+0xe2/0x170 [ 8069.657752][ T7704] inet6_addr_add+0x12f/0xa40 [ 8069.657752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8069.657752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.657752][ T7704] netlink_rcv_skb+0x130/0x360 [ 8069.657752][ T7704] netlink_unicast+0x449/0x710 [ 8069.657752][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8069.657752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8069.657752][ T7704] ___sys_sendmsg+0xee/0x170 [ 8069.657752][ T7704] __sys_sendmsg+0xcd/0x170 [ 8069.657752][ T7704] do_syscall_64+0xc6/0x1e0 [ 8069.657752][ T7704] [ 8069.659920][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8069.659920][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8069.659920][ T7704] ipv6_find_idev+0x102/0x170 [ 8069.659920][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8069.659920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.659920][ T7704] netlink_rcv_skb+0x130/0x360 [ 8069.659920][ T7704] netlink_unicast+0x449/0x710 [ 8069.659920][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8069.659920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8069.659920][ T7704] ___sys_sendmsg+0xee/0x170 [ 8069.659920][ T7704] __sys_sendmsg+0xcd/0x170 [ 8069.659920][ T7704] do_syscall_64+0xc6/0x1e0 [ 8069.659920][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.659920][ T7704] [ 8069.661705][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8069.661705][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8069.661705][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8069.661705][ T7704] ipv6_find_idev+0x102/0x170 [ 8069.661705][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8069.661705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.661705][ T7704] netlink_rcv_skb+0x130/0x360 [ 8069.661705][ T7704] netlink_unicast+0x449/0x710 [ 8069.661705][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8069.661705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8069.661705][ T7704] ___sys_sendmsg+0xee/0x170 [ 8069.661705][ T7704] __sys_sendmsg+0xcd/0x170 [ 8069.661705][ T7704] do_syscall_64+0xc6/0x1e0 [ 8069.661705][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.661705][ T7704] [ 8079.860810][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8079.861284][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8079.861284][ T7704] netdev_get_by_index+0x5e/0x80 [ 8079.861284][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8079.861284][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8079.861284][ T7704] ip6_route_add+0x1c/0x140 [ 8079.861284][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8079.861284][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8079.861284][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8079.861284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.861284][ T7704] netlink_rcv_skb+0x130/0x360 [ 8079.861284][ T7704] netlink_unicast+0x449/0x710 [ 8079.861284][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8079.861284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8079.861284][ T7704] ___sys_sendmsg+0xee/0x170 [ 8079.861284][ T7704] __sys_sendmsg+0xcd/0x170 [ 8079.861284][ T7704] do_syscall_64+0xc6/0x1e0 [ 8079.861284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.861284][ T7704] [ 8079.863537][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8079.863537][ T7704] netdev_get_by_index+0x5e/0x80 [ 8079.863537][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8079.863537][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8079.863537][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8079.863537][ T7704] ipv6_add_addr+0x411/0x2000 [ 8079.863537][ T7704] inet6_addr_add+0x30e/0xa40 [ 8079.863537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8079.863537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.863537][ T7704] netlink_rcv_skb+0x130/0x360 [ 8079.863537][ T7704] netlink_unicast+0x449/0x710 [ 8079.863537][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8079.863537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8079.863537][ T7704] ___sys_sendmsg+0xee/0x170 [ 8079.863537][ T7704] __sys_sendmsg+0xcd/0x170 [ 8079.863537][ T7704] do_syscall_64+0xc6/0x1e0 [ 8079.863537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.863537][ T7704] [ 8079.865745][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8079.865745][ T7704] netdev_get_by_index+0x5e/0x80 [ 8079.865745][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8079.865745][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8079.865745][ T7704] ip6_route_add+0x1c/0x140 [ 8079.865745][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8079.865745][ T7704] addrconf_add_dev+0xe2/0x170 [ 8079.865745][ T7704] inet6_addr_add+0x12f/0xa40 [ 8079.865745][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8079.865745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.865745][ T7704] netlink_rcv_skb+0x130/0x360 [ 8079.865745][ T7704] netlink_unicast+0x449/0x710 [ 8079.865745][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8079.865745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8079.865745][ T7704] ___sys_sendmsg+0xee/0x170 [ 8079.865745][ T7704] __sys_sendmsg+0xcd/0x170 [ 8079.865745][ T7704] do_syscall_64+0xc6/0x1e0 [ 8079.865745][ T7704] [ 8079.867910][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8079.867910][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8079.867910][ T7704] ipv6_find_idev+0x102/0x170 [ 8079.867910][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8079.867910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.867910][ T7704] netlink_rcv_skb+0x130/0x360 [ 8079.867910][ T7704] netlink_unicast+0x449/0x710 [ 8079.867910][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8079.867910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8079.867910][ T7704] ___sys_sendmsg+0xee/0x170 [ 8079.867910][ T7704] __sys_sendmsg+0xcd/0x170 [ 8079.867910][ T7704] do_syscall_64+0xc6/0x1e0 [ 8079.867910][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.867910][ T7704] [ 8079.869612][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8079.869612][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8079.869612][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8079.869612][ T7704] ipv6_find_idev+0x102/0x170 [ 8079.869612][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8079.869612][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.869612][ T7704] netlink_rcv_skb+0x130/0x360 [ 8079.869612][ T7704] netlink_unicast+0x449/0x710 [ 8079.869612][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8079.869612][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8079.869612][ T7704] ___sys_sendmsg+0xee/0x170 [ 8079.869612][ T7704] __sys_sendmsg+0xcd/0x170 [ 8079.869612][ T7704] do_syscall_64+0xc6/0x1e0 [ 8079.869612][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.869612][ T7704] [ 8090.116815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8090.117285][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8090.117285][ T7704] netdev_get_by_index+0x5e/0x80 [ 8090.117285][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8090.117285][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8090.117285][ T7704] ip6_route_add+0x1c/0x140 [ 8090.117285][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8090.117285][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8090.117285][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8090.117285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8090.117285][ T7704] netlink_rcv_skb+0x130/0x360 [ 8090.117285][ T7704] netlink_unicast+0x449/0x710 [ 8090.117285][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8090.117285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8090.117285][ T7704] ___sys_sendmsg+0xee/0x170 [ 8090.117285][ T7704] __sys_sendmsg+0xcd/0x170 [ 8090.117285][ T7704] do_syscall_64+0xc6/0x1e0 [ 8090.117285][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8090.117285][ T7704] [ 8090.120023][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8090.120023][ T7704] netdev_get_by_index+0x5e/0x80 [ 8090.120023][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8090.120023][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8090.120023][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8090.120023][ T7704] ipv6_add_addr+0x411/0x2000 [ 8090.120023][ T7704] inet6_addr_add+0x30e/0xa40 [ 8090.120023][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8090.120023][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8090.120023][ T7704] netlink_rcv_skb+0x130/0x360 [ 8090.120023][ T7704] netlink_unicast+0x449/0x710 [ 8090.120023][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8090.120023][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8090.120023][ T7704] ___sys_sendmsg+0xee/0x170 [ 8090.120023][ T7704] __sys_sendmsg+0xcd/0x170 [ 8090.120023][ T7704] do_syscall_64+0xc6/0x1e0 [ 8090.120023][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8090.120023][ T7704] [ 8090.122246][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8090.122246][ T7704] netdev_get_by_index+0x5e/0x80 [ 8090.122246][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8090.122246][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8090.122246][ T7704] ip6_route_add+0x1c/0x140 [ 8090.122246][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8090.122246][ T7704] addrconf_add_dev+0xe2/0x170 [ 8090.122246][ T7704] inet6_addr_add+0x12f/0xa40 [ 8090.122246][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8090.122246][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8090.122246][ T7704] netlink_rcv_skb+0x130/0x360 [ 8090.122246][ T7704] netlink_unicast+0x449/0x710 [ 8090.122246][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8090.122246][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8090.122246][ T7704] ___sys_sendmsg+0xee/0x170 [ 8090.122246][ T7704] __sys_sendmsg+0xcd/0x170 [ 8090.122246][ T7704] do_syscall_64+0xc6/0x1e0 [ 8090.122246][ T7704] [ 8090.124433][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8090.124433][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8090.124433][ T7704] ipv6_find_idev+0x102/0x170 [ 8090.124433][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8090.124433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8090.124433][ T7704] netlink_rcv_skb+0x130/0x360 [ 8090.124433][ T7704] netlink_unicast+0x449/0x710 [ 8090.124433][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8090.124433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8090.124433][ T7704] ___sys_sendmsg+0xee/0x170 [ 8090.124433][ T7704] __sys_sendmsg+0xcd/0x170 [ 8090.124433][ T7704] do_syscall_64+0xc6/0x1e0 [ 8090.124433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8090.124433][ T7704] [ 8090.126143][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8090.126143][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8090.126143][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8090.126143][ T7704] ipv6_find_idev+0x102/0x170 [ 8090.126143][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8090.126143][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8090.126143][ T7704] netlink_rcv_skb+0x130/0x360 [ 8090.126143][ T7704] netlink_unicast+0x449/0x710 [ 8090.126143][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8090.126143][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8090.126143][ T7704] ___sys_sendmsg+0xee/0x170 [ 8090.126143][ T7704] __sys_sendmsg+0xcd/0x170 [ 8090.126143][ T7704] do_syscall_64+0xc6/0x1e0 [ 8090.126143][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8090.126143][ T7704] [ 8100.412826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8100.413313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8100.413313][ T7704] netdev_get_by_index+0x5e/0x80 [ 8100.413313][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8100.413313][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8100.413313][ T7704] ip6_route_add+0x1c/0x140 [ 8100.413313][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8100.413313][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8100.413313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8100.413313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.413313][ T7704] netlink_rcv_skb+0x130/0x360 [ 8100.413313][ T7704] netlink_unicast+0x449/0x710 [ 8100.413313][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8100.413313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8100.413313][ T7704] ___sys_sendmsg+0xee/0x170 [ 8100.413313][ T7704] __sys_sendmsg+0xcd/0x170 [ 8100.413313][ T7704] do_syscall_64+0xc6/0x1e0 [ 8100.413313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.413313][ T7704] [ 8100.415569][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8100.415569][ T7704] netdev_get_by_index+0x5e/0x80 [ 8100.415569][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8100.415569][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8100.415569][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8100.415569][ T7704] ipv6_add_addr+0x411/0x2000 [ 8100.415569][ T7704] inet6_addr_add+0x30e/0xa40 [ 8100.415569][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8100.415569][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.415569][ T7704] netlink_rcv_skb+0x130/0x360 [ 8100.415569][ T7704] netlink_unicast+0x449/0x710 [ 8100.415569][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8100.415569][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8100.415569][ T7704] ___sys_sendmsg+0xee/0x170 [ 8100.415569][ T7704] __sys_sendmsg+0xcd/0x170 [ 8100.415569][ T7704] do_syscall_64+0xc6/0x1e0 [ 8100.415569][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.415569][ T7704] [ 8100.417802][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8100.417802][ T7704] netdev_get_by_index+0x5e/0x80 [ 8100.417802][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8100.417802][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8100.417802][ T7704] ip6_route_add+0x1c/0x140 [ 8100.417802][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8100.417802][ T7704] addrconf_add_dev+0xe2/0x170 [ 8100.417802][ T7704] inet6_addr_add+0x12f/0xa40 [ 8100.417802][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8100.417802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.417802][ T7704] netlink_rcv_skb+0x130/0x360 [ 8100.417802][ T7704] netlink_unicast+0x449/0x710 [ 8100.417802][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8100.417802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8100.417802][ T7704] ___sys_sendmsg+0xee/0x170 [ 8100.417802][ T7704] __sys_sendmsg+0xcd/0x170 [ 8100.417802][ T7704] do_syscall_64+0xc6/0x1e0 [ 8100.417802][ T7704] [ 8100.420013][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8100.420013][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8100.420013][ T7704] ipv6_find_idev+0x102/0x170 [ 8100.420013][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8100.420013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.420013][ T7704] netlink_rcv_skb+0x130/0x360 [ 8100.420013][ T7704] netlink_unicast+0x449/0x710 [ 8100.420013][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8100.420013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8100.420013][ T7704] ___sys_sendmsg+0xee/0x170 [ 8100.420013][ T7704] __sys_sendmsg+0xcd/0x170 [ 8100.420013][ T7704] do_syscall_64+0xc6/0x1e0 [ 8100.420013][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.420013][ T7704] [ 8100.421735][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8100.421735][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8100.421735][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8100.421735][ T7704] ipv6_find_idev+0x102/0x170 [ 8100.421735][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8100.421735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.421735][ T7704] netlink_rcv_skb+0x130/0x360 [ 8100.421735][ T7704] netlink_unicast+0x449/0x710 [ 8100.421735][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8100.421735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8100.421735][ T7704] ___sys_sendmsg+0xee/0x170 [ 8100.421735][ T7704] __sys_sendmsg+0xcd/0x170 [ 8100.421735][ T7704] do_syscall_64+0xc6/0x1e0 [ 8100.421735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.421735][ T7704] [ 8110.676768][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8110.677267][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8110.677267][ T7704] netdev_get_by_index+0x5e/0x80 [ 8110.677267][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8110.677267][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8110.677267][ T7704] ip6_route_add+0x1c/0x140 [ 8110.677267][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8110.677267][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8110.677267][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8110.677267][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.677267][ T7704] netlink_rcv_skb+0x130/0x360 [ 8110.677267][ T7704] netlink_unicast+0x449/0x710 [ 8110.677267][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8110.677267][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8110.677267][ T7704] ___sys_sendmsg+0xee/0x170 [ 8110.677267][ T7704] __sys_sendmsg+0xcd/0x170 [ 8110.677267][ T7704] do_syscall_64+0xc6/0x1e0 [ 8110.677267][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.677267][ T7704] [ 8110.679525][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8110.679525][ T7704] netdev_get_by_index+0x5e/0x80 [ 8110.679525][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8110.679525][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8110.679525][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8110.679525][ T7704] ipv6_add_addr+0x411/0x2000 [ 8110.679525][ T7704] inet6_addr_add+0x30e/0xa40 [ 8110.679525][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8110.679525][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.679525][ T7704] netlink_rcv_skb+0x130/0x360 [ 8110.679525][ T7704] netlink_unicast+0x449/0x710 [ 8110.679525][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8110.679525][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8110.679525][ T7704] ___sys_sendmsg+0xee/0x170 [ 8110.679525][ T7704] __sys_sendmsg+0xcd/0x170 [ 8110.679525][ T7704] do_syscall_64+0xc6/0x1e0 [ 8110.679525][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.679525][ T7704] [ 8110.681770][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8110.681770][ T7704] netdev_get_by_index+0x5e/0x80 [ 8110.681770][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8110.681770][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8110.681770][ T7704] ip6_route_add+0x1c/0x140 [ 8110.681770][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8110.681770][ T7704] addrconf_add_dev+0xe2/0x170 [ 8110.681770][ T7704] inet6_addr_add+0x12f/0xa40 [ 8110.681770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8110.681770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.681770][ T7704] netlink_rcv_skb+0x130/0x360 [ 8110.681770][ T7704] netlink_unicast+0x449/0x710 [ 8110.681770][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8110.681770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8110.681770][ T7704] ___sys_sendmsg+0xee/0x170 [ 8110.681770][ T7704] __sys_sendmsg+0xcd/0x170 [ 8110.681770][ T7704] do_syscall_64+0xc6/0x1e0 [ 8110.681770][ T7704] [ 8110.683964][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8110.683964][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8110.683964][ T7704] ipv6_find_idev+0x102/0x170 [ 8110.683964][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8110.683964][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.683964][ T7704] netlink_rcv_skb+0x130/0x360 [ 8110.683964][ T7704] netlink_unicast+0x449/0x710 [ 8110.683964][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8110.683964][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8110.683964][ T7704] ___sys_sendmsg+0xee/0x170 [ 8110.683964][ T7704] __sys_sendmsg+0xcd/0x170 [ 8110.683964][ T7704] do_syscall_64+0xc6/0x1e0 [ 8110.683964][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.683964][ T7704] [ 8110.685680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8110.685680][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8110.685680][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8110.685680][ T7704] ipv6_find_idev+0x102/0x170 [ 8110.685680][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8110.685680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.685680][ T7704] netlink_rcv_skb+0x130/0x360 [ 8110.685680][ T7704] netlink_unicast+0x449/0x710 [ 8110.685680][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8110.685680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8110.685680][ T7704] ___sys_sendmsg+0xee/0x170 [ 8110.685680][ T7704] __sys_sendmsg+0xcd/0x170 [ 8110.685680][ T7704] do_syscall_64+0xc6/0x1e0 [ 8110.685680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.685680][ T7704] [ 8120.708807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8120.709306][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8120.709306][ T7704] netdev_get_by_index+0x5e/0x80 [ 8120.709306][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8120.709306][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8120.709306][ T7704] ip6_route_add+0x1c/0x140 [ 8120.709306][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8120.709306][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8120.709306][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8120.709306][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.709306][ T7704] netlink_rcv_skb+0x130/0x360 [ 8120.709306][ T7704] netlink_unicast+0x449/0x710 [ 8120.709306][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8120.709306][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8120.709306][ T7704] ___sys_sendmsg+0xee/0x170 [ 8120.709306][ T7704] __sys_sendmsg+0xcd/0x170 [ 8120.709306][ T7704] do_syscall_64+0xc6/0x1e0 [ 8120.709306][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.709306][ T7704] [ 8120.711559][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8120.711559][ T7704] netdev_get_by_index+0x5e/0x80 [ 8120.711559][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8120.711559][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8120.711559][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8120.711559][ T7704] ipv6_add_addr+0x411/0x2000 [ 8120.711559][ T7704] inet6_addr_add+0x30e/0xa40 [ 8120.711559][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8120.711559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.711559][ T7704] netlink_rcv_skb+0x130/0x360 [ 8120.711559][ T7704] netlink_unicast+0x449/0x710 [ 8120.711559][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8120.711559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8120.711559][ T7704] ___sys_sendmsg+0xee/0x170 [ 8120.711559][ T7704] __sys_sendmsg+0xcd/0x170 [ 8120.711559][ T7704] do_syscall_64+0xc6/0x1e0 [ 8120.711559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.711559][ T7704] [ 8120.713803][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8120.713803][ T7704] netdev_get_by_index+0x5e/0x80 [ 8120.713803][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8120.713803][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8120.713803][ T7704] ip6_route_add+0x1c/0x140 [ 8120.713803][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8120.713803][ T7704] addrconf_add_dev+0xe2/0x170 [ 8120.713803][ T7704] inet6_addr_add+0x12f/0xa40 [ 8120.713803][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8120.713803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.713803][ T7704] netlink_rcv_skb+0x130/0x360 [ 8120.713803][ T7704] netlink_unicast+0x449/0x710 [ 8120.713803][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8120.713803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8120.713803][ T7704] ___sys_sendmsg+0xee/0x170 [ 8120.713803][ T7704] __sys_sendmsg+0xcd/0x170 [ 8120.713803][ T7704] do_syscall_64+0xc6/0x1e0 [ 8120.713803][ T7704] [ 8120.716522][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8120.716522][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8120.716522][ T7704] ipv6_find_idev+0x102/0x170 [ 8120.716522][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8120.716522][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.716522][ T7704] netlink_rcv_skb+0x130/0x360 [ 8120.716522][ T7704] netlink_unicast+0x449/0x710 [ 8120.716522][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8120.716522][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8120.716522][ T7704] ___sys_sendmsg+0xee/0x170 [ 8120.716522][ T7704] __sys_sendmsg+0xcd/0x170 [ 8120.716522][ T7704] do_syscall_64+0xc6/0x1e0 [ 8120.716522][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.716522][ T7704] [ 8120.718246][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8120.718246][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8120.718246][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8120.718246][ T7704] ipv6_find_idev+0x102/0x170 [ 8120.718246][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8120.718246][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.718246][ T7704] netlink_rcv_skb+0x130/0x360 [ 8120.718246][ T7704] netlink_unicast+0x449/0x710 [ 8120.718246][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8120.718246][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8120.718246][ T7704] ___sys_sendmsg+0xee/0x170 [ 8120.718246][ T7704] __sys_sendmsg+0xcd/0x170 [ 8120.718246][ T7704] do_syscall_64+0xc6/0x1e0 [ 8120.718246][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.718246][ T7704] [ 8130.956796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8130.957270][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8130.957270][ T7704] netdev_get_by_index+0x5e/0x80 [ 8130.957270][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8130.957270][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8130.957270][ T7704] ip6_route_add+0x1c/0x140 [ 8130.957270][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8130.957270][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8130.957270][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8130.957270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.957270][ T7704] netlink_rcv_skb+0x130/0x360 [ 8130.957270][ T7704] netlink_unicast+0x449/0x710 [ 8130.957270][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8130.957270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8130.957270][ T7704] ___sys_sendmsg+0xee/0x170 [ 8130.957270][ T7704] __sys_sendmsg+0xcd/0x170 [ 8130.957270][ T7704] do_syscall_64+0xc6/0x1e0 [ 8130.957270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.957270][ T7704] [ 8130.959875][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8130.959875][ T7704] netdev_get_by_index+0x5e/0x80 [ 8130.959875][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8130.959875][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8130.959875][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8130.959875][ T7704] ipv6_add_addr+0x411/0x2000 [ 8130.959875][ T7704] inet6_addr_add+0x30e/0xa40 [ 8130.959875][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8130.959875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.959875][ T7704] netlink_rcv_skb+0x130/0x360 [ 8130.959875][ T7704] netlink_unicast+0x449/0x710 [ 8130.959875][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8130.959875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8130.959875][ T7704] ___sys_sendmsg+0xee/0x170 [ 8130.959875][ T7704] __sys_sendmsg+0xcd/0x170 [ 8130.959875][ T7704] do_syscall_64+0xc6/0x1e0 [ 8130.959875][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.959875][ T7704] [ 8130.962087][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8130.962087][ T7704] netdev_get_by_index+0x5e/0x80 [ 8130.962087][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8130.962087][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8130.962087][ T7704] ip6_route_add+0x1c/0x140 [ 8130.962087][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8130.962087][ T7704] addrconf_add_dev+0xe2/0x170 [ 8130.962087][ T7704] inet6_addr_add+0x12f/0xa40 [ 8130.962087][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8130.962087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.962087][ T7704] netlink_rcv_skb+0x130/0x360 [ 8130.962087][ T7704] netlink_unicast+0x449/0x710 [ 8130.962087][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8130.962087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8130.962087][ T7704] ___sys_sendmsg+0xee/0x170 [ 8130.962087][ T7704] __sys_sendmsg+0xcd/0x170 [ 8130.962087][ T7704] do_syscall_64+0xc6/0x1e0 [ 8130.962087][ T7704] [ 8130.964258][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8130.964258][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8130.964258][ T7704] ipv6_find_idev+0x102/0x170 [ 8130.964258][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8130.964258][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.964258][ T7704] netlink_rcv_skb+0x130/0x360 [ 8130.964258][ T7704] netlink_unicast+0x449/0x710 [ 8130.964258][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8130.964258][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8130.964258][ T7704] ___sys_sendmsg+0xee/0x170 [ 8130.964258][ T7704] __sys_sendmsg+0xcd/0x170 [ 8130.964258][ T7704] do_syscall_64+0xc6/0x1e0 [ 8130.964258][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.964258][ T7704] [ 8130.965963][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8130.965963][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8130.965963][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8130.965963][ T7704] ipv6_find_idev+0x102/0x170 [ 8130.965963][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8130.965963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.965963][ T7704] netlink_rcv_skb+0x130/0x360 [ 8130.965963][ T7704] netlink_unicast+0x449/0x710 [ 8130.965963][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8130.965963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8130.965963][ T7704] ___sys_sendmsg+0xee/0x170 [ 8130.965963][ T7704] __sys_sendmsg+0xcd/0x170 [ 8130.965963][ T7704] do_syscall_64+0xc6/0x1e0 [ 8130.965963][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.965963][ T7704] [ 8141.220798][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8141.221262][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8141.221262][ T7704] netdev_get_by_index+0x5e/0x80 [ 8141.221262][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8141.221262][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8141.221262][ T7704] ip6_route_add+0x1c/0x140 [ 8141.221262][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8141.221262][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8141.221262][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8141.221262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.221262][ T7704] netlink_rcv_skb+0x130/0x360 [ 8141.221262][ T7704] netlink_unicast+0x449/0x710 [ 8141.221262][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8141.221262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8141.221262][ T7704] ___sys_sendmsg+0xee/0x170 [ 8141.221262][ T7704] __sys_sendmsg+0xcd/0x170 [ 8141.221262][ T7704] do_syscall_64+0xc6/0x1e0 [ 8141.221262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8141.221262][ T7704] [ 8141.223532][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8141.223532][ T7704] netdev_get_by_index+0x5e/0x80 [ 8141.223532][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8141.223532][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8141.223532][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8141.223532][ T7704] ipv6_add_addr+0x411/0x2000 [ 8141.223532][ T7704] inet6_addr_add+0x30e/0xa40 [ 8141.223532][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8141.223532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.223532][ T7704] netlink_rcv_skb+0x130/0x360 [ 8141.223532][ T7704] netlink_unicast+0x449/0x710 [ 8141.223532][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8141.223532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8141.223532][ T7704] ___sys_sendmsg+0xee/0x170 [ 8141.223532][ T7704] __sys_sendmsg+0xcd/0x170 [ 8141.223532][ T7704] do_syscall_64+0xc6/0x1e0 [ 8141.223532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8141.223532][ T7704] [ 8141.225735][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8141.225735][ T7704] netdev_get_by_index+0x5e/0x80 [ 8141.225735][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8141.225735][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8141.225735][ T7704] ip6_route_add+0x1c/0x140 [ 8141.225735][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8141.225735][ T7704] addrconf_add_dev+0xe2/0x170 [ 8141.225735][ T7704] inet6_addr_add+0x12f/0xa40 [ 8141.225735][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8141.225735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.225735][ T7704] netlink_rcv_skb+0x130/0x360 [ 8141.225735][ T7704] netlink_unicast+0x449/0x710 [ 8141.225735][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8141.225735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8141.225735][ T7704] ___sys_sendmsg+0xee/0x170 [ 8141.225735][ T7704] __sys_sendmsg+0xcd/0x170 [ 8141.225735][ T7704] do_syscall_64+0xc6/0x1e0 [ 8141.225735][ T7704] [ 8141.227917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8141.227917][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8141.227917][ T7704] ipv6_find_idev+0x102/0x170 [ 8141.227917][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8141.227917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.227917][ T7704] netlink_rcv_skb+0x130/0x360 [ 8141.227917][ T7704] netlink_unicast+0x449/0x710 [ 8141.227917][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8141.227917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8141.227917][ T7704] ___sys_sendmsg+0xee/0x170 [ 8141.227917][ T7704] __sys_sendmsg+0xcd/0x170 [ 8141.227917][ T7704] do_syscall_64+0xc6/0x1e0 [ 8141.227917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8141.227917][ T7704] [ 8141.229616][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8141.229616][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8141.229616][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8141.229616][ T7704] ipv6_find_idev+0x102/0x170 [ 8141.229616][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8141.229616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.229616][ T7704] netlink_rcv_skb+0x130/0x360 [ 8141.229616][ T7704] netlink_unicast+0x449/0x710 [ 8141.229616][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8141.229616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8141.229616][ T7704] ___sys_sendmsg+0xee/0x170 [ 8141.229616][ T7704] __sys_sendmsg+0xcd/0x170 [ 8141.229616][ T7704] do_syscall_64+0xc6/0x1e0 [ 8141.229616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8141.229616][ T7704] [ 8151.300805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8151.301332][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8151.301332][ T7704] netdev_get_by_index+0x5e/0x80 [ 8151.301332][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8151.301332][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8151.301332][ T7704] ip6_route_add+0x1c/0x140 [ 8151.301332][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8151.301332][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8151.301332][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8151.301332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.301332][ T7704] netlink_rcv_skb+0x130/0x360 [ 8151.301332][ T7704] netlink_unicast+0x449/0x710 [ 8151.301332][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8151.301332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8151.301332][ T7704] ___sys_sendmsg+0xee/0x170 [ 8151.301332][ T7704] __sys_sendmsg+0xcd/0x170 [ 8151.301332][ T7704] do_syscall_64+0xc6/0x1e0 [ 8151.301332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.301332][ T7704] [ 8151.303590][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8151.303590][ T7704] netdev_get_by_index+0x5e/0x80 [ 8151.303590][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8151.303590][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8151.303590][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8151.303590][ T7704] ipv6_add_addr+0x411/0x2000 [ 8151.303590][ T7704] inet6_addr_add+0x30e/0xa40 [ 8151.303590][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8151.303590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.303590][ T7704] netlink_rcv_skb+0x130/0x360 [ 8151.303590][ T7704] netlink_unicast+0x449/0x710 [ 8151.303590][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8151.303590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8151.303590][ T7704] ___sys_sendmsg+0xee/0x170 [ 8151.303590][ T7704] __sys_sendmsg+0xcd/0x170 [ 8151.303590][ T7704] do_syscall_64+0xc6/0x1e0 [ 8151.303590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.303590][ T7704] [ 8151.305799][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8151.305799][ T7704] netdev_get_by_index+0x5e/0x80 [ 8151.305799][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8151.305799][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8151.305799][ T7704] ip6_route_add+0x1c/0x140 [ 8151.305799][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8151.305799][ T7704] addrconf_add_dev+0xe2/0x170 [ 8151.305799][ T7704] inet6_addr_add+0x12f/0xa40 [ 8151.305799][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8151.305799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.305799][ T7704] netlink_rcv_skb+0x130/0x360 [ 8151.305799][ T7704] netlink_unicast+0x449/0x710 [ 8151.305799][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8151.305799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8151.305799][ T7704] ___sys_sendmsg+0xee/0x170 [ 8151.305799][ T7704] __sys_sendmsg+0xcd/0x170 [ 8151.305799][ T7704] do_syscall_64+0xc6/0x1e0 [ 8151.305799][ T7704] [ 8151.307976][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8151.307976][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8151.307976][ T7704] ipv6_find_idev+0x102/0x170 [ 8151.307976][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8151.307976][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.307976][ T7704] netlink_rcv_skb+0x130/0x360 [ 8151.307976][ T7704] netlink_unicast+0x449/0x710 [ 8151.307976][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8151.307976][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8151.307976][ T7704] ___sys_sendmsg+0xee/0x170 [ 8151.307976][ T7704] __sys_sendmsg+0xcd/0x170 [ 8151.307976][ T7704] do_syscall_64+0xc6/0x1e0 [ 8151.307976][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.307976][ T7704] [ 8151.309671][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8151.309671][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8151.309671][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8151.309671][ T7704] ipv6_find_idev+0x102/0x170 [ 8151.309671][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8151.309671][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.309671][ T7704] netlink_rcv_skb+0x130/0x360 [ 8151.309671][ T7704] netlink_unicast+0x449/0x710 [ 8151.309671][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8151.309671][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8151.309671][ T7704] ___sys_sendmsg+0xee/0x170 [ 8151.309671][ T7704] __sys_sendmsg+0xcd/0x170 [ 8151.309671][ T7704] do_syscall_64+0xc6/0x1e0 [ 8151.309671][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.309671][ T7704] [ 8161.524795][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8161.525293][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8161.525293][ T7704] netdev_get_by_index+0x5e/0x80 [ 8161.525293][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8161.525293][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8161.525293][ T7704] ip6_route_add+0x1c/0x140 [ 8161.525293][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8161.525293][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8161.525293][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8161.525293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.525293][ T7704] netlink_rcv_skb+0x130/0x360 [ 8161.525293][ T7704] netlink_unicast+0x449/0x710 [ 8161.525293][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8161.525293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8161.525293][ T7704] ___sys_sendmsg+0xee/0x170 [ 8161.525293][ T7704] __sys_sendmsg+0xcd/0x170 [ 8161.525293][ T7704] do_syscall_64+0xc6/0x1e0 [ 8161.525293][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.525293][ T7704] [ 8161.527539][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8161.527539][ T7704] netdev_get_by_index+0x5e/0x80 [ 8161.527539][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8161.527539][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8161.527539][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8161.527539][ T7704] ipv6_add_addr+0x411/0x2000 [ 8161.527539][ T7704] inet6_addr_add+0x30e/0xa40 [ 8161.527539][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8161.527539][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.527539][ T7704] netlink_rcv_skb+0x130/0x360 [ 8161.527539][ T7704] netlink_unicast+0x449/0x710 [ 8161.527539][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8161.527539][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8161.527539][ T7704] ___sys_sendmsg+0xee/0x170 [ 8161.527539][ T7704] __sys_sendmsg+0xcd/0x170 [ 8161.527539][ T7704] do_syscall_64+0xc6/0x1e0 [ 8161.527539][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.527539][ T7704] [ 8161.529748][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8161.529748][ T7704] netdev_get_by_index+0x5e/0x80 [ 8161.529748][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8161.529748][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8161.529748][ T7704] ip6_route_add+0x1c/0x140 [ 8161.529748][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8161.529748][ T7704] addrconf_add_dev+0xe2/0x170 [ 8161.529748][ T7704] inet6_addr_add+0x12f/0xa40 [ 8161.529748][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8161.529748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.529748][ T7704] netlink_rcv_skb+0x130/0x360 [ 8161.529748][ T7704] netlink_unicast+0x449/0x710 [ 8161.529748][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8161.529748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8161.529748][ T7704] ___sys_sendmsg+0xee/0x170 [ 8161.529748][ T7704] __sys_sendmsg+0xcd/0x170 [ 8161.529748][ T7704] do_syscall_64+0xc6/0x1e0 [ 8161.529748][ T7704] [ 8161.531907][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8161.531907][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8161.531907][ T7704] ipv6_find_idev+0x102/0x170 [ 8161.531907][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8161.531907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.531907][ T7704] netlink_rcv_skb+0x130/0x360 [ 8161.531907][ T7704] netlink_unicast+0x449/0x710 [ 8161.531907][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8161.531907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8161.531907][ T7704] ___sys_sendmsg+0xee/0x170 [ 8161.531907][ T7704] __sys_sendmsg+0xcd/0x170 [ 8161.531907][ T7704] do_syscall_64+0xc6/0x1e0 [ 8161.531907][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.531907][ T7704] [ 8161.533604][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8161.533604][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8161.533604][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8161.533604][ T7704] ipv6_find_idev+0x102/0x170 [ 8161.533604][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8161.533604][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.533604][ T7704] netlink_rcv_skb+0x130/0x360 [ 8161.533604][ T7704] netlink_unicast+0x449/0x710 [ 8161.533604][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8161.533604][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8161.533604][ T7704] ___sys_sendmsg+0xee/0x170 [ 8161.533604][ T7704] __sys_sendmsg+0xcd/0x170 [ 8161.533604][ T7704] do_syscall_64+0xc6/0x1e0 [ 8161.533604][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.533604][ T7704] [ 8171.772814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8171.773309][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8171.773309][ T7704] netdev_get_by_index+0x5e/0x80 [ 8171.773309][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8171.773309][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8171.773309][ T7704] ip6_route_add+0x1c/0x140 [ 8171.773309][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8171.773309][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8171.773309][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8171.773309][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.773309][ T7704] netlink_rcv_skb+0x130/0x360 [ 8171.773309][ T7704] netlink_unicast+0x449/0x710 [ 8171.773309][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8171.773309][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8171.773309][ T7704] ___sys_sendmsg+0xee/0x170 [ 8171.773309][ T7704] __sys_sendmsg+0xcd/0x170 [ 8171.773309][ T7704] do_syscall_64+0xc6/0x1e0 [ 8171.773309][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.773309][ T7704] [ 8171.775536][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8171.775536][ T7704] netdev_get_by_index+0x5e/0x80 [ 8171.775536][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8171.775536][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8171.775536][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8171.775536][ T7704] ipv6_add_addr+0x411/0x2000 [ 8171.775536][ T7704] inet6_addr_add+0x30e/0xa40 [ 8171.775536][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8171.775536][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.775536][ T7704] netlink_rcv_skb+0x130/0x360 [ 8171.775536][ T7704] netlink_unicast+0x449/0x710 [ 8171.775536][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8171.775536][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8171.775536][ T7704] ___sys_sendmsg+0xee/0x170 [ 8171.775536][ T7704] __sys_sendmsg+0xcd/0x170 [ 8171.775536][ T7704] do_syscall_64+0xc6/0x1e0 [ 8171.775536][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.775536][ T7704] [ 8171.777754][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8171.777754][ T7704] netdev_get_by_index+0x5e/0x80 [ 8171.777754][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8171.777754][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8171.777754][ T7704] ip6_route_add+0x1c/0x140 [ 8171.777754][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8171.777754][ T7704] addrconf_add_dev+0xe2/0x170 [ 8171.777754][ T7704] inet6_addr_add+0x12f/0xa40 [ 8171.777754][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8171.777754][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.777754][ T7704] netlink_rcv_skb+0x130/0x360 [ 8171.777754][ T7704] netlink_unicast+0x449/0x710 [ 8171.777754][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8171.777754][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8171.777754][ T7704] ___sys_sendmsg+0xee/0x170 [ 8171.777754][ T7704] __sys_sendmsg+0xcd/0x170 [ 8171.777754][ T7704] do_syscall_64+0xc6/0x1e0 [ 8171.777754][ T7704] [ 8171.779922][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8171.779922][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8171.779922][ T7704] ipv6_find_idev+0x102/0x170 [ 8171.779922][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8171.779922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.779922][ T7704] netlink_rcv_skb+0x130/0x360 [ 8171.779922][ T7704] netlink_unicast+0x449/0x710 [ 8171.779922][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8171.779922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8171.779922][ T7704] ___sys_sendmsg+0xee/0x170 [ 8171.779922][ T7704] __sys_sendmsg+0xcd/0x170 [ 8171.779922][ T7704] do_syscall_64+0xc6/0x1e0 [ 8171.779922][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.779922][ T7704] [ 8171.781618][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8171.781618][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8171.781618][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8171.781618][ T7704] ipv6_find_idev+0x102/0x170 [ 8171.781618][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8171.781618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.781618][ T7704] netlink_rcv_skb+0x130/0x360 [ 8171.781618][ T7704] netlink_unicast+0x449/0x710 [ 8171.781618][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8171.781618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8171.781618][ T7704] ___sys_sendmsg+0xee/0x170 [ 8171.781618][ T7704] __sys_sendmsg+0xcd/0x170 [ 8171.781618][ T7704] do_syscall_64+0xc6/0x1e0 [ 8171.781618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.781618][ T7704] [ 8182.012845][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8182.013313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8182.013313][ T7704] netdev_get_by_index+0x5e/0x80 [ 8182.013313][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8182.013313][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8182.013313][ T7704] ip6_route_add+0x1c/0x140 [ 8182.013313][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8182.013313][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8182.013313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8182.013313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8182.013313][ T7704] netlink_rcv_skb+0x130/0x360 [ 8182.013313][ T7704] netlink_unicast+0x449/0x710 [ 8182.013313][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8182.013313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8182.013313][ T7704] ___sys_sendmsg+0xee/0x170 [ 8182.013313][ T7704] __sys_sendmsg+0xcd/0x170 [ 8182.013313][ T7704] do_syscall_64+0xc6/0x1e0 [ 8182.013313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8182.013313][ T7704] [ 8182.015551][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8182.015551][ T7704] netdev_get_by_index+0x5e/0x80 [ 8182.015551][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8182.015551][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8182.015551][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8182.015551][ T7704] ipv6_add_addr+0x411/0x2000 [ 8182.015551][ T7704] inet6_addr_add+0x30e/0xa40 [ 8182.015551][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8182.015551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8182.015551][ T7704] netlink_rcv_skb+0x130/0x360 [ 8182.015551][ T7704] netlink_unicast+0x449/0x710 [ 8182.015551][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8182.015551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8182.015551][ T7704] ___sys_sendmsg+0xee/0x170 [ 8182.015551][ T7704] __sys_sendmsg+0xcd/0x170 [ 8182.015551][ T7704] do_syscall_64+0xc6/0x1e0 [ 8182.015551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8182.015551][ T7704] [ 8182.017758][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8182.017758][ T7704] netdev_get_by_index+0x5e/0x80 [ 8182.017758][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8182.017758][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8182.017758][ T7704] ip6_route_add+0x1c/0x140 [ 8182.017758][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8182.017758][ T7704] addrconf_add_dev+0xe2/0x170 [ 8182.017758][ T7704] inet6_addr_add+0x12f/0xa40 [ 8182.017758][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8182.017758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8182.017758][ T7704] netlink_rcv_skb+0x130/0x360 [ 8182.017758][ T7704] netlink_unicast+0x449/0x710 [ 8182.017758][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8182.017758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8182.017758][ T7704] ___sys_sendmsg+0xee/0x170 [ 8182.017758][ T7704] __sys_sendmsg+0xcd/0x170 [ 8182.017758][ T7704] do_syscall_64+0xc6/0x1e0 [ 8182.017758][ T7704] [ 8182.019920][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8182.019920][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8182.019920][ T7704] ipv6_find_idev+0x102/0x170 [ 8182.019920][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8182.019920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8182.019920][ T7704] netlink_rcv_skb+0x130/0x360 [ 8182.019920][ T7704] netlink_unicast+0x449/0x710 [ 8182.019920][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8182.019920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8182.019920][ T7704] ___sys_sendmsg+0xee/0x170 [ 8182.019920][ T7704] __sys_sendmsg+0xcd/0x170 [ 8182.019920][ T7704] do_syscall_64+0xc6/0x1e0 [ 8182.019920][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8182.019920][ T7704] [ 8182.021615][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8182.021615][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8182.021615][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8182.021615][ T7704] ipv6_find_idev+0x102/0x170 [ 8182.021615][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8182.021615][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8182.021615][ T7704] netlink_rcv_skb+0x130/0x360 [ 8182.021615][ T7704] netlink_unicast+0x449/0x710 [ 8182.021615][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8182.021615][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8182.021615][ T7704] ___sys_sendmsg+0xee/0x170 [ 8182.021615][ T7704] __sys_sendmsg+0xcd/0x170 [ 8182.021615][ T7704] do_syscall_64+0xc6/0x1e0 [ 8182.021615][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8182.021615][ T7704] [ 8192.260762][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8192.261228][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8192.261228][ T7704] netdev_get_by_index+0x5e/0x80 [ 8192.261228][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8192.261228][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8192.261228][ T7704] ip6_route_add+0x1c/0x140 [ 8192.261228][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8192.261228][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8192.261228][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8192.261228][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.261228][ T7704] netlink_rcv_skb+0x130/0x360 [ 8192.261228][ T7704] netlink_unicast+0x449/0x710 [ 8192.261228][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8192.261228][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8192.261228][ T7704] ___sys_sendmsg+0xee/0x170 [ 8192.261228][ T7704] __sys_sendmsg+0xcd/0x170 [ 8192.261228][ T7704] do_syscall_64+0xc6/0x1e0 [ 8192.261228][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.261228][ T7704] [ 8192.263473][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8192.263473][ T7704] netdev_get_by_index+0x5e/0x80 [ 8192.263473][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8192.263473][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8192.263473][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8192.263473][ T7704] ipv6_add_addr+0x411/0x2000 [ 8192.263473][ T7704] inet6_addr_add+0x30e/0xa40 [ 8192.263473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8192.263473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.263473][ T7704] netlink_rcv_skb+0x130/0x360 [ 8192.263473][ T7704] netlink_unicast+0x449/0x710 [ 8192.263473][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8192.263473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8192.263473][ T7704] ___sys_sendmsg+0xee/0x170 [ 8192.263473][ T7704] __sys_sendmsg+0xcd/0x170 [ 8192.263473][ T7704] do_syscall_64+0xc6/0x1e0 [ 8192.263473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.263473][ T7704] [ 8192.265675][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8192.265675][ T7704] netdev_get_by_index+0x5e/0x80 [ 8192.265675][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8192.265675][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8192.265675][ T7704] ip6_route_add+0x1c/0x140 [ 8192.265675][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8192.265675][ T7704] addrconf_add_dev+0xe2/0x170 [ 8192.265675][ T7704] inet6_addr_add+0x12f/0xa40 [ 8192.265675][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8192.265675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.265675][ T7704] netlink_rcv_skb+0x130/0x360 [ 8192.265675][ T7704] netlink_unicast+0x449/0x710 [ 8192.265675][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8192.265675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8192.265675][ T7704] ___sys_sendmsg+0xee/0x170 [ 8192.265675][ T7704] __sys_sendmsg+0xcd/0x170 [ 8192.265675][ T7704] do_syscall_64+0xc6/0x1e0 [ 8192.265675][ T7704] [ 8192.267855][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8192.267855][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8192.267855][ T7704] ipv6_find_idev+0x102/0x170 [ 8192.267855][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8192.267855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.267855][ T7704] netlink_rcv_skb+0x130/0x360 [ 8192.267855][ T7704] netlink_unicast+0x449/0x710 [ 8192.267855][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8192.267855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8192.267855][ T7704] ___sys_sendmsg+0xee/0x170 [ 8192.267855][ T7704] __sys_sendmsg+0xcd/0x170 [ 8192.267855][ T7704] do_syscall_64+0xc6/0x1e0 [ 8192.267855][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.267855][ T7704] [ 8192.269554][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8192.269554][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8192.269554][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8192.269554][ T7704] ipv6_find_idev+0x102/0x170 [ 8192.269554][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8192.269554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.269554][ T7704] netlink_rcv_skb+0x130/0x360 [ 8192.269554][ T7704] netlink_unicast+0x449/0x710 [ 8192.269554][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8192.269554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8192.269554][ T7704] ___sys_sendmsg+0xee/0x170 [ 8192.269554][ T7704] __sys_sendmsg+0xcd/0x170 [ 8192.269554][ T7704] do_syscall_64+0xc6/0x1e0 [ 8192.269554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.269554][ T7704] [ 8202.524807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8202.525283][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8202.525283][ T7704] netdev_get_by_index+0x5e/0x80 [ 8202.525283][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8202.525283][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8202.525283][ T7704] ip6_route_add+0x1c/0x140 [ 8202.525283][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8202.525283][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8202.525283][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8202.525283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.525283][ T7704] netlink_rcv_skb+0x130/0x360 [ 8202.525283][ T7704] netlink_unicast+0x449/0x710 [ 8202.525283][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8202.525283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8202.525283][ T7704] ___sys_sendmsg+0xee/0x170 [ 8202.525283][ T7704] __sys_sendmsg+0xcd/0x170 [ 8202.525283][ T7704] do_syscall_64+0xc6/0x1e0 [ 8202.525283][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.525283][ T7704] [ 8202.527526][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8202.527526][ T7704] netdev_get_by_index+0x5e/0x80 [ 8202.527526][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8202.527526][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8202.527526][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8202.527526][ T7704] ipv6_add_addr+0x411/0x2000 [ 8202.527526][ T7704] inet6_addr_add+0x30e/0xa40 [ 8202.527526][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8202.527526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.527526][ T7704] netlink_rcv_skb+0x130/0x360 [ 8202.527526][ T7704] netlink_unicast+0x449/0x710 [ 8202.527526][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8202.527526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8202.527526][ T7704] ___sys_sendmsg+0xee/0x170 [ 8202.527526][ T7704] __sys_sendmsg+0xcd/0x170 [ 8202.527526][ T7704] do_syscall_64+0xc6/0x1e0 [ 8202.527526][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.527526][ T7704] [ 8202.529733][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8202.529733][ T7704] netdev_get_by_index+0x5e/0x80 [ 8202.529733][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8202.529733][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8202.529733][ T7704] ip6_route_add+0x1c/0x140 [ 8202.529733][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8202.529733][ T7704] addrconf_add_dev+0xe2/0x170 [ 8202.529733][ T7704] inet6_addr_add+0x12f/0xa40 [ 8202.529733][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8202.529733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.529733][ T7704] netlink_rcv_skb+0x130/0x360 [ 8202.529733][ T7704] netlink_unicast+0x449/0x710 [ 8202.529733][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8202.529733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8202.529733][ T7704] ___sys_sendmsg+0xee/0x170 [ 8202.529733][ T7704] __sys_sendmsg+0xcd/0x170 [ 8202.529733][ T7704] do_syscall_64+0xc6/0x1e0 [ 8202.529733][ T7704] [ 8202.531906][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8202.531906][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8202.531906][ T7704] ipv6_find_idev+0x102/0x170 [ 8202.531906][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8202.531906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.531906][ T7704] netlink_rcv_skb+0x130/0x360 [ 8202.531906][ T7704] netlink_unicast+0x449/0x710 [ 8202.531906][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8202.531906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8202.531906][ T7704] ___sys_sendmsg+0xee/0x170 [ 8202.531906][ T7704] __sys_sendmsg+0xcd/0x170 [ 8202.531906][ T7704] do_syscall_64+0xc6/0x1e0 [ 8202.531906][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.531906][ T7704] [ 8202.533629][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8202.533629][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8202.533629][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8202.533629][ T7704] ipv6_find_idev+0x102/0x170 [ 8202.533629][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8202.533629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.533629][ T7704] netlink_rcv_skb+0x130/0x360 [ 8202.533629][ T7704] netlink_unicast+0x449/0x710 [ 8202.533629][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8202.533629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8202.533629][ T7704] ___sys_sendmsg+0xee/0x170 [ 8202.533629][ T7704] __sys_sendmsg+0xcd/0x170 [ 8202.533629][ T7704] do_syscall_64+0xc6/0x1e0 [ 8202.533629][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.533629][ T7704] [ 8212.772754][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8212.773222][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8212.773222][ T7704] netdev_get_by_index+0x5e/0x80 [ 8212.773222][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8212.773222][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8212.773222][ T7704] ip6_route_add+0x1c/0x140 [ 8212.773222][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8212.773222][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8212.773222][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8212.773222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.773222][ T7704] netlink_rcv_skb+0x130/0x360 [ 8212.773222][ T7704] netlink_unicast+0x449/0x710 [ 8212.773222][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8212.773222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8212.773222][ T7704] ___sys_sendmsg+0xee/0x170 [ 8212.773222][ T7704] __sys_sendmsg+0xcd/0x170 [ 8212.773222][ T7704] do_syscall_64+0xc6/0x1e0 [ 8212.773222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.773222][ T7704] [ 8212.775457][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8212.775457][ T7704] netdev_get_by_index+0x5e/0x80 [ 8212.775457][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8212.775457][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8212.775457][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8212.775457][ T7704] ipv6_add_addr+0x411/0x2000 [ 8212.775457][ T7704] inet6_addr_add+0x30e/0xa40 [ 8212.775457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8212.775457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.775457][ T7704] netlink_rcv_skb+0x130/0x360 [ 8212.775457][ T7704] netlink_unicast+0x449/0x710 [ 8212.775457][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8212.775457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8212.775457][ T7704] ___sys_sendmsg+0xee/0x170 [ 8212.775457][ T7704] __sys_sendmsg+0xcd/0x170 [ 8212.775457][ T7704] do_syscall_64+0xc6/0x1e0 [ 8212.775457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.775457][ T7704] [ 8212.777654][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8212.777654][ T7704] netdev_get_by_index+0x5e/0x80 [ 8212.777654][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8212.777654][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8212.777654][ T7704] ip6_route_add+0x1c/0x140 [ 8212.777654][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8212.777654][ T7704] addrconf_add_dev+0xe2/0x170 [ 8212.777654][ T7704] inet6_addr_add+0x12f/0xa40 [ 8212.777654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8212.777654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.777654][ T7704] netlink_rcv_skb+0x130/0x360 [ 8212.777654][ T7704] netlink_unicast+0x449/0x710 [ 8212.777654][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8212.777654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8212.777654][ T7704] ___sys_sendmsg+0xee/0x170 [ 8212.777654][ T7704] __sys_sendmsg+0xcd/0x170 [ 8212.777654][ T7704] do_syscall_64+0xc6/0x1e0 [ 8212.777654][ T7704] [ 8212.779824][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8212.779824][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8212.779824][ T7704] ipv6_find_idev+0x102/0x170 [ 8212.779824][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8212.779824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.779824][ T7704] netlink_rcv_skb+0x130/0x360 [ 8212.779824][ T7704] netlink_unicast+0x449/0x710 [ 8212.779824][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8212.779824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8212.779824][ T7704] ___sys_sendmsg+0xee/0x170 [ 8212.779824][ T7704] __sys_sendmsg+0xcd/0x170 [ 8212.779824][ T7704] do_syscall_64+0xc6/0x1e0 [ 8212.779824][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.779824][ T7704] [ 8212.781530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8212.781530][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8212.781530][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8212.781530][ T7704] ipv6_find_idev+0x102/0x170 [ 8212.781530][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8212.781530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.781530][ T7704] netlink_rcv_skb+0x130/0x360 [ 8212.781530][ T7704] netlink_unicast+0x449/0x710 [ 8212.781530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8212.781530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8212.781530][ T7704] ___sys_sendmsg+0xee/0x170 [ 8212.781530][ T7704] __sys_sendmsg+0xcd/0x170 [ 8212.781530][ T7704] do_syscall_64+0xc6/0x1e0 [ 8212.781530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.781530][ T7704] [ 8222.940779][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8222.941430][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8222.941430][ T7704] netdev_get_by_index+0x5e/0x80 [ 8222.941430][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8222.941430][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8222.941430][ T7704] ip6_route_add+0x1c/0x140 [ 8222.941430][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8222.941430][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8222.941430][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8222.941430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.941430][ T7704] netlink_rcv_skb+0x130/0x360 [ 8222.941430][ T7704] netlink_unicast+0x449/0x710 [ 8222.941430][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8222.941430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8222.941430][ T7704] ___sys_sendmsg+0xee/0x170 [ 8222.941430][ T7704] __sys_sendmsg+0xcd/0x170 [ 8222.941430][ T7704] do_syscall_64+0xc6/0x1e0 [ 8222.941430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.941430][ T7704] [ 8222.944982][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8222.944982][ T7704] netdev_get_by_index+0x5e/0x80 [ 8222.944982][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8222.944982][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8222.944982][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8222.944982][ T7704] ipv6_add_addr+0x411/0x2000 [ 8222.944982][ T7704] inet6_addr_add+0x30e/0xa40 [ 8222.944982][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8222.944982][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.944982][ T7704] netlink_rcv_skb+0x130/0x360 [ 8222.944982][ T7704] netlink_unicast+0x449/0x710 [ 8222.944982][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8222.944982][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8222.944982][ T7704] ___sys_sendmsg+0xee/0x170 [ 8222.944982][ T7704] __sys_sendmsg+0xcd/0x170 [ 8222.944982][ T7704] do_syscall_64+0xc6/0x1e0 [ 8222.944982][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.944982][ T7704] [ 8222.948421][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8222.948421][ T7704] netdev_get_by_index+0x5e/0x80 [ 8222.948421][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8222.948421][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8222.948421][ T7704] ip6_route_add+0x1c/0x140 [ 8222.948421][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8222.948421][ T7704] addrconf_add_dev+0xe2/0x170 [ 8222.948421][ T7704] inet6_addr_add+0x12f/0xa40 [ 8222.948421][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8222.948421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.948421][ T7704] netlink_rcv_skb+0x130/0x360 [ 8222.948421][ T7704] netlink_unicast+0x449/0x710 [ 8222.948421][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8222.948421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8222.948421][ T7704] ___sys_sendmsg+0xee/0x170 [ 8222.948421][ T7704] __sys_sendmsg+0xcd/0x170 [ 8222.948421][ T7704] do_syscall_64+0xc6/0x1e0 [ 8222.948421][ T7704] [ 8222.950745][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8222.950745][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8222.950745][ T7704] ipv6_find_idev+0x102/0x170 [ 8222.950745][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8222.950745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.950745][ T7704] netlink_rcv_skb+0x130/0x360 [ 8222.950745][ T7704] netlink_unicast+0x449/0x710 [ 8222.950745][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8222.950745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8222.950745][ T7704] ___sys_sendmsg+0xee/0x170 [ 8222.950745][ T7704] __sys_sendmsg+0xcd/0x170 [ 8222.950745][ T7704] do_syscall_64+0xc6/0x1e0 [ 8222.950745][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.950745][ T7704] [ 8222.952953][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8222.952953][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8222.952953][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8222.952953][ T7704] ipv6_find_idev+0x102/0x170 [ 8222.952953][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8222.952953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.952953][ T7704] netlink_rcv_skb+0x130/0x360 [ 8222.952953][ T7704] netlink_unicast+0x449/0x710 [ 8222.952953][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8222.952953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8222.952953][ T7704] ___sys_sendmsg+0xee/0x170 [ 8222.952953][ T7704] __sys_sendmsg+0xcd/0x170 [ 8222.952953][ T7704] do_syscall_64+0xc6/0x1e0 [ 8222.952953][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.952953][ T7704] [ 8233.148772][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8233.149278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8233.149278][ T7704] netdev_get_by_index+0x5e/0x80 [ 8233.149278][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8233.149278][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8233.149278][ T7704] ip6_route_add+0x1c/0x140 [ 8233.149278][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8233.149278][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8233.149278][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8233.149278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.149278][ T7704] netlink_rcv_skb+0x130/0x360 [ 8233.149278][ T7704] netlink_unicast+0x449/0x710 [ 8233.149278][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8233.149278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8233.149278][ T7704] ___sys_sendmsg+0xee/0x170 [ 8233.149278][ T7704] __sys_sendmsg+0xcd/0x170 [ 8233.149278][ T7704] do_syscall_64+0xc6/0x1e0 [ 8233.149278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.149278][ T7704] [ 8233.152070][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8233.152070][ T7704] netdev_get_by_index+0x5e/0x80 [ 8233.152070][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8233.152070][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8233.152070][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8233.152070][ T7704] ipv6_add_addr+0x411/0x2000 [ 8233.152070][ T7704] inet6_addr_add+0x30e/0xa40 [ 8233.152070][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8233.152070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.152070][ T7704] netlink_rcv_skb+0x130/0x360 [ 8233.152070][ T7704] netlink_unicast+0x449/0x710 [ 8233.152070][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8233.152070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8233.152070][ T7704] ___sys_sendmsg+0xee/0x170 [ 8233.152070][ T7704] __sys_sendmsg+0xcd/0x170 [ 8233.152070][ T7704] do_syscall_64+0xc6/0x1e0 [ 8233.152070][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.152070][ T7704] [ 8233.154331][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8233.154331][ T7704] netdev_get_by_index+0x5e/0x80 [ 8233.154331][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8233.154331][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8233.154331][ T7704] ip6_route_add+0x1c/0x140 [ 8233.154331][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8233.154331][ T7704] addrconf_add_dev+0xe2/0x170 [ 8233.154331][ T7704] inet6_addr_add+0x12f/0xa40 [ 8233.154331][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8233.154331][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.154331][ T7704] netlink_rcv_skb+0x130/0x360 [ 8233.154331][ T7704] netlink_unicast+0x449/0x710 [ 8233.154331][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8233.154331][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8233.154331][ T7704] ___sys_sendmsg+0xee/0x170 [ 8233.154331][ T7704] __sys_sendmsg+0xcd/0x170 [ 8233.154331][ T7704] do_syscall_64+0xc6/0x1e0 [ 8233.154331][ T7704] [ 8233.156660][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8233.156660][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8233.156660][ T7704] ipv6_find_idev+0x102/0x170 [ 8233.156660][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8233.156660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.156660][ T7704] netlink_rcv_skb+0x130/0x360 [ 8233.156660][ T7704] netlink_unicast+0x449/0x710 [ 8233.156660][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8233.156660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8233.156660][ T7704] ___sys_sendmsg+0xee/0x170 [ 8233.156660][ T7704] __sys_sendmsg+0xcd/0x170 [ 8233.156660][ T7704] do_syscall_64+0xc6/0x1e0 [ 8233.156660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.156660][ T7704] [ 8233.158482][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8233.158482][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8233.158482][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8233.158482][ T7704] ipv6_find_idev+0x102/0x170 [ 8233.158482][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8233.158482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.158482][ T7704] netlink_rcv_skb+0x130/0x360 [ 8233.158482][ T7704] netlink_unicast+0x449/0x710 [ 8233.158482][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8233.158482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8233.158482][ T7704] ___sys_sendmsg+0xee/0x170 [ 8233.158482][ T7704] __sys_sendmsg+0xcd/0x170 [ 8233.158482][ T7704] do_syscall_64+0xc6/0x1e0 [ 8233.158482][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.158482][ T7704] [ 8243.212841][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8243.213326][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8243.213326][ T7704] netdev_get_by_index+0x5e/0x80 [ 8243.213326][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8243.213326][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8243.213326][ T7704] ip6_route_add+0x1c/0x140 [ 8243.213326][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8243.213326][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8243.213326][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8243.213326][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.213326][ T7704] netlink_rcv_skb+0x130/0x360 [ 8243.213326][ T7704] netlink_unicast+0x449/0x710 [ 8243.213326][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8243.213326][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8243.213326][ T7704] ___sys_sendmsg+0xee/0x170 [ 8243.213326][ T7704] __sys_sendmsg+0xcd/0x170 [ 8243.213326][ T7704] do_syscall_64+0xc6/0x1e0 [ 8243.213326][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.213326][ T7704] [ 8243.215561][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8243.215561][ T7704] netdev_get_by_index+0x5e/0x80 [ 8243.215561][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8243.215561][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8243.215561][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8243.215561][ T7704] ipv6_add_addr+0x411/0x2000 [ 8243.215561][ T7704] inet6_addr_add+0x30e/0xa40 [ 8243.215561][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8243.215561][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.215561][ T7704] netlink_rcv_skb+0x130/0x360 [ 8243.215561][ T7704] netlink_unicast+0x449/0x710 [ 8243.215561][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8243.215561][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8243.215561][ T7704] ___sys_sendmsg+0xee/0x170 [ 8243.215561][ T7704] __sys_sendmsg+0xcd/0x170 [ 8243.215561][ T7704] do_syscall_64+0xc6/0x1e0 [ 8243.215561][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.215561][ T7704] [ 8243.217760][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8243.217760][ T7704] netdev_get_by_index+0x5e/0x80 [ 8243.217760][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8243.217760][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8243.217760][ T7704] ip6_route_add+0x1c/0x140 [ 8243.217760][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8243.217760][ T7704] addrconf_add_dev+0xe2/0x170 [ 8243.217760][ T7704] inet6_addr_add+0x12f/0xa40 [ 8243.217760][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8243.217760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.217760][ T7704] netlink_rcv_skb+0x130/0x360 [ 8243.217760][ T7704] netlink_unicast+0x449/0x710 [ 8243.217760][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8243.217760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8243.217760][ T7704] ___sys_sendmsg+0xee/0x170 [ 8243.217760][ T7704] __sys_sendmsg+0xcd/0x170 [ 8243.217760][ T7704] do_syscall_64+0xc6/0x1e0 [ 8243.217760][ T7704] [ 8243.219929][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8243.219929][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8243.219929][ T7704] ipv6_find_idev+0x102/0x170 [ 8243.219929][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8243.219929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.219929][ T7704] netlink_rcv_skb+0x130/0x360 [ 8243.219929][ T7704] netlink_unicast+0x449/0x710 [ 8243.219929][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8243.219929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8243.219929][ T7704] ___sys_sendmsg+0xee/0x170 [ 8243.219929][ T7704] __sys_sendmsg+0xcd/0x170 [ 8243.219929][ T7704] do_syscall_64+0xc6/0x1e0 [ 8243.219929][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.219929][ T7704] [ 8243.221625][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8243.221625][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8243.221625][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8243.221625][ T7704] ipv6_find_idev+0x102/0x170 [ 8243.221625][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8243.221625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.221625][ T7704] netlink_rcv_skb+0x130/0x360 [ 8243.221625][ T7704] netlink_unicast+0x449/0x710 [ 8243.221625][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8243.221625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8243.221625][ T7704] ___sys_sendmsg+0xee/0x170 [ 8243.221625][ T7704] __sys_sendmsg+0xcd/0x170 [ 8243.221625][ T7704] do_syscall_64+0xc6/0x1e0 [ 8243.221625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.221625][ T7704] [ 8253.460743][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8253.461209][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8253.461209][ T7704] netdev_get_by_index+0x5e/0x80 [ 8253.461209][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8253.461209][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8253.461209][ T7704] ip6_route_add+0x1c/0x140 [ 8253.461209][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8253.461209][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8253.461209][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8253.461209][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.461209][ T7704] netlink_rcv_skb+0x130/0x360 [ 8253.461209][ T7704] netlink_unicast+0x449/0x710 [ 8253.461209][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8253.461209][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8253.461209][ T7704] ___sys_sendmsg+0xee/0x170 [ 8253.461209][ T7704] __sys_sendmsg+0xcd/0x170 [ 8253.461209][ T7704] do_syscall_64+0xc6/0x1e0 [ 8253.461209][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.461209][ T7704] [ 8253.463503][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8253.463503][ T7704] netdev_get_by_index+0x5e/0x80 [ 8253.463503][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8253.463503][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8253.463503][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8253.463503][ T7704] ipv6_add_addr+0x411/0x2000 [ 8253.463503][ T7704] inet6_addr_add+0x30e/0xa40 [ 8253.463503][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8253.463503][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.463503][ T7704] netlink_rcv_skb+0x130/0x360 [ 8253.463503][ T7704] netlink_unicast+0x449/0x710 [ 8253.463503][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8253.463503][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8253.463503][ T7704] ___sys_sendmsg+0xee/0x170 [ 8253.463503][ T7704] __sys_sendmsg+0xcd/0x170 [ 8253.463503][ T7704] do_syscall_64+0xc6/0x1e0 [ 8253.463503][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.463503][ T7704] [ 8253.466130][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8253.466130][ T7704] netdev_get_by_index+0x5e/0x80 [ 8253.466130][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8253.466130][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8253.466130][ T7704] ip6_route_add+0x1c/0x140 [ 8253.466130][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8253.466130][ T7704] addrconf_add_dev+0xe2/0x170 [ 8253.466130][ T7704] inet6_addr_add+0x12f/0xa40 [ 8253.466130][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8253.466130][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.466130][ T7704] netlink_rcv_skb+0x130/0x360 [ 8253.466130][ T7704] netlink_unicast+0x449/0x710 [ 8253.466130][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8253.466130][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8253.466130][ T7704] ___sys_sendmsg+0xee/0x170 [ 8253.466130][ T7704] __sys_sendmsg+0xcd/0x170 [ 8253.466130][ T7704] do_syscall_64+0xc6/0x1e0 [ 8253.466130][ T7704] [ 8253.468496][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8253.468496][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8253.468496][ T7704] ipv6_find_idev+0x102/0x170 [ 8253.468496][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8253.468496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.468496][ T7704] netlink_rcv_skb+0x130/0x360 [ 8253.468496][ T7704] netlink_unicast+0x449/0x710 [ 8253.468496][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8253.468496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8253.468496][ T7704] ___sys_sendmsg+0xee/0x170 [ 8253.468496][ T7704] __sys_sendmsg+0xcd/0x170 [ 8253.468496][ T7704] do_syscall_64+0xc6/0x1e0 [ 8253.468496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.468496][ T7704] [ 8253.470225][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8253.470225][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8253.470225][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8253.470225][ T7704] ipv6_find_idev+0x102/0x170 [ 8253.470225][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8253.470225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.470225][ T7704] netlink_rcv_skb+0x130/0x360 [ 8253.470225][ T7704] netlink_unicast+0x449/0x710 [ 8253.470225][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8253.470225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8253.470225][ T7704] ___sys_sendmsg+0xee/0x170 [ 8253.470225][ T7704] __sys_sendmsg+0xcd/0x170 [ 8253.470225][ T7704] do_syscall_64+0xc6/0x1e0 [ 8253.470225][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.470225][ T7704] [ 8263.708767][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8263.709177][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8263.709177][ T7704] netdev_get_by_index+0x5e/0x80 [ 8263.709177][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8263.709177][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8263.709177][ T7704] ip6_route_add+0x1c/0x140 [ 8263.709177][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8263.709177][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8263.709177][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8263.709177][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.709177][ T7704] netlink_rcv_skb+0x130/0x360 [ 8263.709177][ T7704] netlink_unicast+0x449/0x710 [ 8263.709177][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8263.709177][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8263.709177][ T7704] ___sys_sendmsg+0xee/0x170 [ 8263.709177][ T7704] __sys_sendmsg+0xcd/0x170 [ 8263.709177][ T7704] do_syscall_64+0xc6/0x1e0 [ 8263.709177][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.709177][ T7704] [ 8263.711473][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8263.711473][ T7704] netdev_get_by_index+0x5e/0x80 [ 8263.711473][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8263.711473][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8263.711473][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8263.711473][ T7704] ipv6_add_addr+0x411/0x2000 [ 8263.711473][ T7704] inet6_addr_add+0x30e/0xa40 [ 8263.711473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8263.711473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.711473][ T7704] netlink_rcv_skb+0x130/0x360 [ 8263.711473][ T7704] netlink_unicast+0x449/0x710 [ 8263.711473][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8263.711473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8263.711473][ T7704] ___sys_sendmsg+0xee/0x170 [ 8263.711473][ T7704] __sys_sendmsg+0xcd/0x170 [ 8263.711473][ T7704] do_syscall_64+0xc6/0x1e0 [ 8263.711473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.711473][ T7704] [ 8263.713711][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8263.713711][ T7704] netdev_get_by_index+0x5e/0x80 [ 8263.713711][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8263.713711][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8263.713711][ T7704] ip6_route_add+0x1c/0x140 [ 8263.713711][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8263.713711][ T7704] addrconf_add_dev+0xe2/0x170 [ 8263.713711][ T7704] inet6_addr_add+0x12f/0xa40 [ 8263.713711][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8263.713711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.713711][ T7704] netlink_rcv_skb+0x130/0x360 [ 8263.713711][ T7704] netlink_unicast+0x449/0x710 [ 8263.713711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8263.713711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8263.713711][ T7704] ___sys_sendmsg+0xee/0x170 [ 8263.713711][ T7704] __sys_sendmsg+0xcd/0x170 [ 8263.713711][ T7704] do_syscall_64+0xc6/0x1e0 [ 8263.713711][ T7704] [ 8263.715927][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8263.715927][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8263.715927][ T7704] ipv6_find_idev+0x102/0x170 [ 8263.715927][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8263.715927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.715927][ T7704] netlink_rcv_skb+0x130/0x360 [ 8263.715927][ T7704] netlink_unicast+0x449/0x710 [ 8263.715927][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8263.715927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8263.715927][ T7704] ___sys_sendmsg+0xee/0x170 [ 8263.715927][ T7704] __sys_sendmsg+0xcd/0x170 [ 8263.715927][ T7704] do_syscall_64+0xc6/0x1e0 [ 8263.715927][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.715927][ T7704] [ 8263.717747][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8263.717747][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8263.717747][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8263.717747][ T7704] ipv6_find_idev+0x102/0x170 [ 8263.717747][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8263.717747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.717747][ T7704] netlink_rcv_skb+0x130/0x360 [ 8263.717747][ T7704] netlink_unicast+0x449/0x710 [ 8263.717747][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8263.717747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8263.717747][ T7704] ___sys_sendmsg+0xee/0x170 [ 8263.717747][ T7704] __sys_sendmsg+0xcd/0x170 [ 8263.717747][ T7704] do_syscall_64+0xc6/0x1e0 [ 8263.717747][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.717747][ T7704] [ 8273.724829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8273.725302][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8273.725302][ T7704] netdev_get_by_index+0x5e/0x80 [ 8273.725302][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8273.725302][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8273.725302][ T7704] ip6_route_add+0x1c/0x140 [ 8273.725302][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8273.725302][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8273.725302][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8273.725302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.725302][ T7704] netlink_rcv_skb+0x130/0x360 [ 8273.725302][ T7704] netlink_unicast+0x449/0x710 [ 8273.725302][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8273.725302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8273.725302][ T7704] ___sys_sendmsg+0xee/0x170 [ 8273.725302][ T7704] __sys_sendmsg+0xcd/0x170 [ 8273.725302][ T7704] do_syscall_64+0xc6/0x1e0 [ 8273.725302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8273.725302][ T7704] [ 8273.727530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8273.727530][ T7704] netdev_get_by_index+0x5e/0x80 [ 8273.727530][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8273.727530][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8273.727530][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8273.727530][ T7704] ipv6_add_addr+0x411/0x2000 [ 8273.727530][ T7704] inet6_addr_add+0x30e/0xa40 [ 8273.727530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8273.727530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.727530][ T7704] netlink_rcv_skb+0x130/0x360 [ 8273.727530][ T7704] netlink_unicast+0x449/0x710 [ 8273.727530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8273.727530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8273.727530][ T7704] ___sys_sendmsg+0xee/0x170 [ 8273.727530][ T7704] __sys_sendmsg+0xcd/0x170 [ 8273.727530][ T7704] do_syscall_64+0xc6/0x1e0 [ 8273.727530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8273.727530][ T7704] [ 8273.729735][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8273.729735][ T7704] netdev_get_by_index+0x5e/0x80 [ 8273.729735][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8273.729735][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8273.729735][ T7704] ip6_route_add+0x1c/0x140 [ 8273.729735][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8273.729735][ T7704] addrconf_add_dev+0xe2/0x170 [ 8273.729735][ T7704] inet6_addr_add+0x12f/0xa40 [ 8273.729735][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8273.729735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.729735][ T7704] netlink_rcv_skb+0x130/0x360 [ 8273.729735][ T7704] netlink_unicast+0x449/0x710 [ 8273.729735][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8273.729735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8273.729735][ T7704] ___sys_sendmsg+0xee/0x170 [ 8273.729735][ T7704] __sys_sendmsg+0xcd/0x170 [ 8273.729735][ T7704] do_syscall_64+0xc6/0x1e0 [ 8273.729735][ T7704] [ 8273.731900][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8273.731900][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8273.731900][ T7704] ipv6_find_idev+0x102/0x170 [ 8273.731900][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8273.731900][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.731900][ T7704] netlink_rcv_skb+0x130/0x360 [ 8273.731900][ T7704] netlink_unicast+0x449/0x710 [ 8273.731900][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8273.731900][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8273.731900][ T7704] ___sys_sendmsg+0xee/0x170 [ 8273.731900][ T7704] __sys_sendmsg+0xcd/0x170 [ 8273.731900][ T7704] do_syscall_64+0xc6/0x1e0 [ 8273.731900][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8273.731900][ T7704] [ 8273.733639][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8273.733639][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8273.733639][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8273.733639][ T7704] ipv6_find_idev+0x102/0x170 [ 8273.733639][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8273.733639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.733639][ T7704] netlink_rcv_skb+0x130/0x360 [ 8273.733639][ T7704] netlink_unicast+0x449/0x710 [ 8273.733639][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8273.733639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8273.733639][ T7704] ___sys_sendmsg+0xee/0x170 [ 8273.733639][ T7704] __sys_sendmsg+0xcd/0x170 [ 8273.733639][ T7704] do_syscall_64+0xc6/0x1e0 [ 8273.733639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8273.733639][ T7704] [ 8283.972905][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8283.983172][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8283.983172][ T7704] netdev_get_by_index+0x5e/0x80 [ 8283.983172][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8283.983172][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8283.983172][ T7704] ip6_route_add+0x1c/0x140 [ 8283.983172][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8283.983172][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8283.983172][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8283.983172][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8283.983172][ T7704] netlink_rcv_skb+0x130/0x360 [ 8283.983172][ T7704] netlink_unicast+0x449/0x710 [ 8283.983172][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8283.983172][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8283.983172][ T7704] ___sys_sendmsg+0xee/0x170 [ 8283.983172][ T7704] __sys_sendmsg+0xcd/0x170 [ 8283.983172][ T7704] do_syscall_64+0xc6/0x1e0 [ 8283.983172][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8283.983172][ T7704] [ 8283.987071][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8283.987071][ T7704] netdev_get_by_index+0x5e/0x80 [ 8283.987071][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8283.987071][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8283.987071][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8283.987071][ T7704] ipv6_add_addr+0x411/0x2000 [ 8283.987071][ T7704] inet6_addr_add+0x30e/0xa40 [ 8283.987071][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8283.987071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8283.987071][ T7704] netlink_rcv_skb+0x130/0x360 [ 8283.987071][ T7704] netlink_unicast+0x449/0x710 [ 8283.987071][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8283.987071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8283.987071][ T7704] ___sys_sendmsg+0xee/0x170 [ 8283.987071][ T7704] __sys_sendmsg+0xcd/0x170 [ 8283.987071][ T7704] do_syscall_64+0xc6/0x1e0 [ 8283.987071][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8283.987071][ T7704] [ 8283.990917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8283.990917][ T7704] netdev_get_by_index+0x5e/0x80 [ 8283.990917][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8283.990917][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8283.990917][ T7704] ip6_route_add+0x1c/0x140 [ 8283.990917][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8283.990917][ T7704] addrconf_add_dev+0xe2/0x170 [ 8283.990917][ T7704] inet6_addr_add+0x12f/0xa40 [ 8283.990917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8283.990917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8283.990917][ T7704] netlink_rcv_skb+0x130/0x360 [ 8283.990917][ T7704] netlink_unicast+0x449/0x710 [ 8283.990917][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8283.990917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8283.990917][ T7704] ___sys_sendmsg+0xee/0x170 [ 8283.990917][ T7704] __sys_sendmsg+0xcd/0x170 [ 8283.990917][ T7704] do_syscall_64+0xc6/0x1e0 [ 8283.990917][ T7704] [ 8283.994856][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8283.994856][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8283.994856][ T7704] ipv6_find_idev+0x102/0x170 [ 8283.994856][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8283.994856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8283.994856][ T7704] netlink_rcv_skb+0x130/0x360 [ 8283.994856][ T7704] netlink_unicast+0x449/0x710 [ 8283.994856][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8283.994856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8283.994856][ T7704] ___sys_sendmsg+0xee/0x170 [ 8283.994856][ T7704] __sys_sendmsg+0xcd/0x170 [ 8283.994856][ T7704] do_syscall_64+0xc6/0x1e0 [ 8283.994856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8283.994856][ T7704] [ 8283.997859][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8283.997859][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8283.997859][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8283.997859][ T7704] ipv6_find_idev+0x102/0x170 [ 8283.997859][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8283.997859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8283.997859][ T7704] netlink_rcv_skb+0x130/0x360 [ 8283.997859][ T7704] netlink_unicast+0x449/0x710 [ 8283.997859][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8283.997859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8283.997859][ T7704] ___sys_sendmsg+0xee/0x170 [ 8283.997859][ T7704] __sys_sendmsg+0xcd/0x170 [ 8283.997859][ T7704] do_syscall_64+0xc6/0x1e0 [ 8283.997859][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8283.997859][ T7704] [ 8294.236840][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8294.237560][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8294.237560][ T7704] netdev_get_by_index+0x5e/0x80 [ 8294.237560][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8294.237560][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8294.237560][ T7704] ip6_route_add+0x1c/0x140 [ 8294.237560][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8294.237560][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8294.237560][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8294.237560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.237560][ T7704] netlink_rcv_skb+0x130/0x360 [ 8294.237560][ T7704] netlink_unicast+0x449/0x710 [ 8294.237560][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8294.237560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8294.237560][ T7704] ___sys_sendmsg+0xee/0x170 [ 8294.237560][ T7704] __sys_sendmsg+0xcd/0x170 [ 8294.237560][ T7704] do_syscall_64+0xc6/0x1e0 [ 8294.237560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.237560][ T7704] [ 8294.241730][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8294.241730][ T7704] netdev_get_by_index+0x5e/0x80 [ 8294.241730][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8294.241730][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8294.241730][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8294.241730][ T7704] ipv6_add_addr+0x411/0x2000 [ 8294.241730][ T7704] inet6_addr_add+0x30e/0xa40 [ 8294.241730][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8294.241730][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.241730][ T7704] netlink_rcv_skb+0x130/0x360 [ 8294.241730][ T7704] netlink_unicast+0x449/0x710 [ 8294.241730][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8294.241730][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8294.241730][ T7704] ___sys_sendmsg+0xee/0x170 [ 8294.241730][ T7704] __sys_sendmsg+0xcd/0x170 [ 8294.241730][ T7704] do_syscall_64+0xc6/0x1e0 [ 8294.241730][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.241730][ T7704] [ 8294.247804][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8294.247804][ T7704] netdev_get_by_index+0x5e/0x80 [ 8294.247804][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8294.247804][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8294.247804][ T7704] ip6_route_add+0x1c/0x140 [ 8294.247804][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8294.247804][ T7704] addrconf_add_dev+0xe2/0x170 [ 8294.247804][ T7704] inet6_addr_add+0x12f/0xa40 [ 8294.247804][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8294.247804][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.247804][ T7704] netlink_rcv_skb+0x130/0x360 [ 8294.247804][ T7704] netlink_unicast+0x449/0x710 [ 8294.247804][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8294.247804][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8294.247804][ T7704] ___sys_sendmsg+0xee/0x170 [ 8294.247804][ T7704] __sys_sendmsg+0xcd/0x170 [ 8294.247804][ T7704] do_syscall_64+0xc6/0x1e0 [ 8294.247804][ T7704] [ 8294.255723][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8294.255723][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8294.255723][ T7704] ipv6_find_idev+0x102/0x170 [ 8294.255723][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8294.255723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.255723][ T7704] netlink_rcv_skb+0x130/0x360 [ 8294.255723][ T7704] netlink_unicast+0x449/0x710 [ 8294.255723][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8294.255723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8294.255723][ T7704] ___sys_sendmsg+0xee/0x170 [ 8294.255723][ T7704] __sys_sendmsg+0xcd/0x170 [ 8294.255723][ T7704] do_syscall_64+0xc6/0x1e0 [ 8294.255723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.255723][ T7704] [ 8294.259829][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8294.259829][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8294.259829][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8294.259829][ T7704] ipv6_find_idev+0x102/0x170 [ 8294.259829][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8294.259829][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.259829][ T7704] netlink_rcv_skb+0x130/0x360 [ 8294.259829][ T7704] netlink_unicast+0x449/0x710 [ 8294.259829][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8294.259829][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8294.259829][ T7704] ___sys_sendmsg+0xee/0x170 [ 8294.259829][ T7704] __sys_sendmsg+0xcd/0x170 [ 8294.259829][ T7704] do_syscall_64+0xc6/0x1e0 [ 8294.259829][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.259829][ T7704] [ 8304.508853][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8304.538583][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8304.538583][ T7704] netdev_get_by_index+0x5e/0x80 [ 8304.538583][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8304.538583][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8304.538583][ T7704] ip6_route_add+0x1c/0x140 [ 8304.538583][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8304.538583][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8304.538583][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8304.538583][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.538583][ T7704] netlink_rcv_skb+0x130/0x360 [ 8304.538583][ T7704] netlink_unicast+0x449/0x710 [ 8304.538583][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8304.538583][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8304.538583][ T7704] ___sys_sendmsg+0xee/0x170 [ 8304.538583][ T7704] __sys_sendmsg+0xcd/0x170 [ 8304.538583][ T7704] do_syscall_64+0xc6/0x1e0 [ 8304.538583][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.538583][ T7704] [ 8304.542833][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8304.542833][ T7704] netdev_get_by_index+0x5e/0x80 [ 8304.542833][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8304.542833][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8304.542833][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8304.542833][ T7704] ipv6_add_addr+0x411/0x2000 [ 8304.542833][ T7704] inet6_addr_add+0x30e/0xa40 [ 8304.542833][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8304.542833][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.542833][ T7704] netlink_rcv_skb+0x130/0x360 [ 8304.542833][ T7704] netlink_unicast+0x449/0x710 [ 8304.542833][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8304.542833][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8304.542833][ T7704] ___sys_sendmsg+0xee/0x170 [ 8304.542833][ T7704] __sys_sendmsg+0xcd/0x170 [ 8304.542833][ T7704] do_syscall_64+0xc6/0x1e0 [ 8304.542833][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.542833][ T7704] [ 8304.546974][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8304.546974][ T7704] netdev_get_by_index+0x5e/0x80 [ 8304.546974][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8304.546974][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8304.546974][ T7704] ip6_route_add+0x1c/0x140 [ 8304.546974][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8304.546974][ T7704] addrconf_add_dev+0xe2/0x170 [ 8304.546974][ T7704] inet6_addr_add+0x12f/0xa40 [ 8304.546974][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8304.546974][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.546974][ T7704] netlink_rcv_skb+0x130/0x360 [ 8304.546974][ T7704] netlink_unicast+0x449/0x710 [ 8304.546974][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8304.546974][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8304.546974][ T7704] ___sys_sendmsg+0xee/0x170 [ 8304.546974][ T7704] __sys_sendmsg+0xcd/0x170 [ 8304.546974][ T7704] do_syscall_64+0xc6/0x1e0 [ 8304.546974][ T7704] [ 8304.551031][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8304.551031][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8304.551031][ T7704] ipv6_find_idev+0x102/0x170 [ 8304.551031][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8304.551031][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.551031][ T7704] netlink_rcv_skb+0x130/0x360 [ 8304.551031][ T7704] netlink_unicast+0x449/0x710 [ 8304.551031][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8304.551031][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8304.551031][ T7704] ___sys_sendmsg+0xee/0x170 [ 8304.551031][ T7704] __sys_sendmsg+0xcd/0x170 [ 8304.551031][ T7704] do_syscall_64+0xc6/0x1e0 [ 8304.551031][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.551031][ T7704] [ 8304.556805][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8304.556805][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8304.556805][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8304.556805][ T7704] ipv6_find_idev+0x102/0x170 [ 8304.556805][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8304.556805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.556805][ T7704] netlink_rcv_skb+0x130/0x360 [ 8304.556805][ T7704] netlink_unicast+0x449/0x710 [ 8304.556805][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8304.556805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8304.556805][ T7704] ___sys_sendmsg+0xee/0x170 [ 8304.556805][ T7704] __sys_sendmsg+0xcd/0x170 [ 8304.556805][ T7704] do_syscall_64+0xc6/0x1e0 [ 8304.556805][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.556805][ T7704] [ 8314.796843][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8314.797258][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8314.797258][ T7704] netdev_get_by_index+0x5e/0x80 [ 8314.797258][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8314.797258][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8314.797258][ T7704] ip6_route_add+0x1c/0x140 [ 8314.797258][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8314.797258][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8314.797258][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8314.797258][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.797258][ T7704] netlink_rcv_skb+0x130/0x360 [ 8314.797258][ T7704] netlink_unicast+0x449/0x710 [ 8314.797258][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8314.797258][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8314.797258][ T7704] ___sys_sendmsg+0xee/0x170 [ 8314.797258][ T7704] __sys_sendmsg+0xcd/0x170 [ 8314.797258][ T7704] do_syscall_64+0xc6/0x1e0 [ 8314.797258][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.797258][ T7704] [ 8314.799491][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8314.799491][ T7704] netdev_get_by_index+0x5e/0x80 [ 8314.799491][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8314.799491][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8314.799491][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8314.799491][ T7704] ipv6_add_addr+0x411/0x2000 [ 8314.799491][ T7704] inet6_addr_add+0x30e/0xa40 [ 8314.799491][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8314.799491][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.799491][ T7704] netlink_rcv_skb+0x130/0x360 [ 8314.799491][ T7704] netlink_unicast+0x449/0x710 [ 8314.799491][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8314.799491][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8314.799491][ T7704] ___sys_sendmsg+0xee/0x170 [ 8314.799491][ T7704] __sys_sendmsg+0xcd/0x170 [ 8314.799491][ T7704] do_syscall_64+0xc6/0x1e0 [ 8314.799491][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.799491][ T7704] [ 8314.801693][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8314.801693][ T7704] netdev_get_by_index+0x5e/0x80 [ 8314.801693][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8314.801693][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8314.801693][ T7704] ip6_route_add+0x1c/0x140 [ 8314.801693][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8314.801693][ T7704] addrconf_add_dev+0xe2/0x170 [ 8314.801693][ T7704] inet6_addr_add+0x12f/0xa40 [ 8314.801693][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8314.801693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.801693][ T7704] netlink_rcv_skb+0x130/0x360 [ 8314.801693][ T7704] netlink_unicast+0x449/0x710 [ 8314.801693][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8314.801693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8314.801693][ T7704] ___sys_sendmsg+0xee/0x170 [ 8314.801693][ T7704] __sys_sendmsg+0xcd/0x170 [ 8314.801693][ T7704] do_syscall_64+0xc6/0x1e0 [ 8314.801693][ T7704] [ 8314.803861][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8314.803861][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8314.803861][ T7704] ipv6_find_idev+0x102/0x170 [ 8314.803861][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8314.803861][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.803861][ T7704] netlink_rcv_skb+0x130/0x360 [ 8314.803861][ T7704] netlink_unicast+0x449/0x710 [ 8314.803861][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8314.803861][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8314.803861][ T7704] ___sys_sendmsg+0xee/0x170 [ 8314.803861][ T7704] __sys_sendmsg+0xcd/0x170 [ 8314.803861][ T7704] do_syscall_64+0xc6/0x1e0 [ 8314.803861][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.803861][ T7704] [ 8314.805549][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8314.805549][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8314.805549][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8314.805549][ T7704] ipv6_find_idev+0x102/0x170 [ 8314.805549][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8314.805549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.805549][ T7704] netlink_rcv_skb+0x130/0x360 [ 8314.805549][ T7704] netlink_unicast+0x449/0x710 [ 8314.805549][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8314.805549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8314.805549][ T7704] ___sys_sendmsg+0xee/0x170 [ 8314.805549][ T7704] __sys_sendmsg+0xcd/0x170 [ 8314.805549][ T7704] do_syscall_64+0xc6/0x1e0 [ 8314.805549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.805549][ T7704] [ 8324.908755][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8324.909405][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8324.909405][ T7704] netdev_get_by_index+0x5e/0x80 [ 8324.909405][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8324.909405][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8324.909405][ T7704] ip6_route_add+0x1c/0x140 [ 8324.909405][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8324.909405][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8324.909405][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8324.909405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8324.909405][ T7704] netlink_rcv_skb+0x130/0x360 [ 8324.909405][ T7704] netlink_unicast+0x449/0x710 [ 8324.909405][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8324.909405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8324.909405][ T7704] ___sys_sendmsg+0xee/0x170 [ 8324.909405][ T7704] __sys_sendmsg+0xcd/0x170 [ 8324.909405][ T7704] do_syscall_64+0xc6/0x1e0 [ 8324.909405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8324.909405][ T7704] [ 8324.913208][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8324.913208][ T7704] netdev_get_by_index+0x5e/0x80 [ 8324.913208][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8324.913208][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8324.913208][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8324.913208][ T7704] ipv6_add_addr+0x411/0x2000 [ 8324.913208][ T7704] inet6_addr_add+0x30e/0xa40 [ 8324.913208][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8324.913208][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8324.913208][ T7704] netlink_rcv_skb+0x130/0x360 [ 8324.913208][ T7704] netlink_unicast+0x449/0x710 [ 8324.913208][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8324.913208][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8324.913208][ T7704] ___sys_sendmsg+0xee/0x170 [ 8324.913208][ T7704] __sys_sendmsg+0xcd/0x170 [ 8324.913208][ T7704] do_syscall_64+0xc6/0x1e0 [ 8324.913208][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8324.913208][ T7704] [ 8324.916979][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8324.916979][ T7704] netdev_get_by_index+0x5e/0x80 [ 8324.916979][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8324.916979][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8324.916979][ T7704] ip6_route_add+0x1c/0x140 [ 8324.916979][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8324.916979][ T7704] addrconf_add_dev+0xe2/0x170 [ 8324.916979][ T7704] inet6_addr_add+0x12f/0xa40 [ 8324.916979][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8324.916979][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8324.916979][ T7704] netlink_rcv_skb+0x130/0x360 [ 8324.916979][ T7704] netlink_unicast+0x449/0x710 [ 8324.916979][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8324.916979][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8324.916979][ T7704] ___sys_sendmsg+0xee/0x170 [ 8324.916979][ T7704] __sys_sendmsg+0xcd/0x170 [ 8324.916979][ T7704] do_syscall_64+0xc6/0x1e0 [ 8324.916979][ T7704] [ 8324.920678][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8324.920678][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8324.920678][ T7704] ipv6_find_idev+0x102/0x170 [ 8324.920678][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8324.920678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8324.920678][ T7704] netlink_rcv_skb+0x130/0x360 [ 8324.920678][ T7704] netlink_unicast+0x449/0x710 [ 8324.920678][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8324.920678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8324.920678][ T7704] ___sys_sendmsg+0xee/0x170 [ 8324.920678][ T7704] __sys_sendmsg+0xcd/0x170 [ 8324.920678][ T7704] do_syscall_64+0xc6/0x1e0 [ 8324.920678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8324.920678][ T7704] [ 8324.923577][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8324.923577][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8324.923577][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8324.923577][ T7704] ipv6_find_idev+0x102/0x170 [ 8324.923577][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8324.923577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8324.923577][ T7704] netlink_rcv_skb+0x130/0x360 [ 8324.923577][ T7704] netlink_unicast+0x449/0x710 [ 8324.923577][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8324.923577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8324.923577][ T7704] ___sys_sendmsg+0xee/0x170 [ 8324.923577][ T7704] __sys_sendmsg+0xcd/0x170 [ 8324.923577][ T7704] do_syscall_64+0xc6/0x1e0 [ 8324.923577][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8324.923577][ T7704] [ 8335.004808][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8335.005216][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8335.005216][ T7704] netdev_get_by_index+0x5e/0x80 [ 8335.005216][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8335.005216][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8335.005216][ T7704] ip6_route_add+0x1c/0x140 [ 8335.005216][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8335.005216][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8335.005216][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8335.005216][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.005216][ T7704] netlink_rcv_skb+0x130/0x360 [ 8335.005216][ T7704] netlink_unicast+0x449/0x710 [ 8335.005216][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8335.005216][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8335.005216][ T7704] ___sys_sendmsg+0xee/0x170 [ 8335.005216][ T7704] __sys_sendmsg+0xcd/0x170 [ 8335.005216][ T7704] do_syscall_64+0xc6/0x1e0 [ 8335.005216][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.005216][ T7704] [ 8335.007438][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8335.007438][ T7704] netdev_get_by_index+0x5e/0x80 [ 8335.007438][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8335.007438][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8335.007438][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8335.007438][ T7704] ipv6_add_addr+0x411/0x2000 [ 8335.007438][ T7704] inet6_addr_add+0x30e/0xa40 [ 8335.007438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8335.007438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.007438][ T7704] netlink_rcv_skb+0x130/0x360 [ 8335.007438][ T7704] netlink_unicast+0x449/0x710 [ 8335.007438][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8335.007438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8335.007438][ T7704] ___sys_sendmsg+0xee/0x170 [ 8335.007438][ T7704] __sys_sendmsg+0xcd/0x170 [ 8335.007438][ T7704] do_syscall_64+0xc6/0x1e0 [ 8335.007438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.007438][ T7704] [ 8335.009647][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8335.009647][ T7704] netdev_get_by_index+0x5e/0x80 [ 8335.009647][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8335.009647][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8335.009647][ T7704] ip6_route_add+0x1c/0x140 [ 8335.009647][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8335.009647][ T7704] addrconf_add_dev+0xe2/0x170 [ 8335.009647][ T7704] inet6_addr_add+0x12f/0xa40 [ 8335.009647][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8335.009647][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.009647][ T7704] netlink_rcv_skb+0x130/0x360 [ 8335.009647][ T7704] netlink_unicast+0x449/0x710 [ 8335.009647][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8335.009647][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8335.009647][ T7704] ___sys_sendmsg+0xee/0x170 [ 8335.009647][ T7704] __sys_sendmsg+0xcd/0x170 [ 8335.009647][ T7704] do_syscall_64+0xc6/0x1e0 [ 8335.009647][ T7704] [ 8335.011813][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8335.011813][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8335.011813][ T7704] ipv6_find_idev+0x102/0x170 [ 8335.011813][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8335.011813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.011813][ T7704] netlink_rcv_skb+0x130/0x360 [ 8335.011813][ T7704] netlink_unicast+0x449/0x710 [ 8335.011813][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8335.011813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8335.011813][ T7704] ___sys_sendmsg+0xee/0x170 [ 8335.011813][ T7704] __sys_sendmsg+0xcd/0x170 [ 8335.011813][ T7704] do_syscall_64+0xc6/0x1e0 [ 8335.011813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.011813][ T7704] [ 8335.013522][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8335.013522][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8335.013522][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8335.013522][ T7704] ipv6_find_idev+0x102/0x170 [ 8335.013522][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8335.013522][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.013522][ T7704] netlink_rcv_skb+0x130/0x360 [ 8335.013522][ T7704] netlink_unicast+0x449/0x710 [ 8335.013522][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8335.013522][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8335.013522][ T7704] ___sys_sendmsg+0xee/0x170 [ 8335.013522][ T7704] __sys_sendmsg+0xcd/0x170 [ 8335.013522][ T7704] do_syscall_64+0xc6/0x1e0 [ 8335.013522][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.013522][ T7704] [ 8345.060804][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8345.061284][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8345.061284][ T7704] netdev_get_by_index+0x5e/0x80 [ 8345.061284][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8345.061284][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8345.061284][ T7704] ip6_route_add+0x1c/0x140 [ 8345.061284][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8345.061284][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8345.061284][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8345.061284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.061284][ T7704] netlink_rcv_skb+0x130/0x360 [ 8345.061284][ T7704] netlink_unicast+0x449/0x710 [ 8345.061284][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8345.061284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8345.061284][ T7704] ___sys_sendmsg+0xee/0x170 [ 8345.061284][ T7704] __sys_sendmsg+0xcd/0x170 [ 8345.061284][ T7704] do_syscall_64+0xc6/0x1e0 [ 8345.061284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.061284][ T7704] [ 8345.064034][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8345.064034][ T7704] netdev_get_by_index+0x5e/0x80 [ 8345.064034][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8345.064034][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8345.064034][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8345.064034][ T7704] ipv6_add_addr+0x411/0x2000 [ 8345.064034][ T7704] inet6_addr_add+0x30e/0xa40 [ 8345.064034][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8345.064034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.064034][ T7704] netlink_rcv_skb+0x130/0x360 [ 8345.064034][ T7704] netlink_unicast+0x449/0x710 [ 8345.064034][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8345.064034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8345.064034][ T7704] ___sys_sendmsg+0xee/0x170 [ 8345.064034][ T7704] __sys_sendmsg+0xcd/0x170 [ 8345.064034][ T7704] do_syscall_64+0xc6/0x1e0 [ 8345.064034][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.064034][ T7704] [ 8345.066246][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8345.066246][ T7704] netdev_get_by_index+0x5e/0x80 [ 8345.066246][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8345.066246][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8345.066246][ T7704] ip6_route_add+0x1c/0x140 [ 8345.066246][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8345.066246][ T7704] addrconf_add_dev+0xe2/0x170 [ 8345.066246][ T7704] inet6_addr_add+0x12f/0xa40 [ 8345.066246][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8345.066246][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.066246][ T7704] netlink_rcv_skb+0x130/0x360 [ 8345.066246][ T7704] netlink_unicast+0x449/0x710 [ 8345.066246][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8345.066246][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8345.066246][ T7704] ___sys_sendmsg+0xee/0x170 [ 8345.066246][ T7704] __sys_sendmsg+0xcd/0x170 [ 8345.066246][ T7704] do_syscall_64+0xc6/0x1e0 [ 8345.066246][ T7704] [ 8345.068418][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8345.068418][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8345.068418][ T7704] ipv6_find_idev+0x102/0x170 [ 8345.068418][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8345.068418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.068418][ T7704] netlink_rcv_skb+0x130/0x360 [ 8345.068418][ T7704] netlink_unicast+0x449/0x710 [ 8345.068418][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8345.068418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8345.068418][ T7704] ___sys_sendmsg+0xee/0x170 [ 8345.068418][ T7704] __sys_sendmsg+0xcd/0x170 [ 8345.068418][ T7704] do_syscall_64+0xc6/0x1e0 [ 8345.068418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.068418][ T7704] [ 8345.070501][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8345.070501][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8345.070501][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8345.070501][ T7704] ipv6_find_idev+0x102/0x170 [ 8345.070501][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8345.070501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.070501][ T7704] netlink_rcv_skb+0x130/0x360 [ 8345.070501][ T7704] netlink_unicast+0x449/0x710 [ 8345.070501][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8345.070501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8345.070501][ T7704] ___sys_sendmsg+0xee/0x170 [ 8345.070501][ T7704] __sys_sendmsg+0xcd/0x170 [ 8345.070501][ T7704] do_syscall_64+0xc6/0x1e0 [ 8345.070501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.070501][ T7704] [ 8355.332841][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8355.333250][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8355.333250][ T7704] netdev_get_by_index+0x5e/0x80 [ 8355.333250][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8355.333250][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8355.333250][ T7704] ip6_route_add+0x1c/0x140 [ 8355.333250][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8355.333250][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8355.333250][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8355.333250][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.333250][ T7704] netlink_rcv_skb+0x130/0x360 [ 8355.333250][ T7704] netlink_unicast+0x449/0x710 [ 8355.333250][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8355.333250][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8355.333250][ T7704] ___sys_sendmsg+0xee/0x170 [ 8355.333250][ T7704] __sys_sendmsg+0xcd/0x170 [ 8355.333250][ T7704] do_syscall_64+0xc6/0x1e0 [ 8355.333250][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.333250][ T7704] [ 8355.335489][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8355.335489][ T7704] netdev_get_by_index+0x5e/0x80 [ 8355.335489][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8355.335489][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8355.335489][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8355.335489][ T7704] ipv6_add_addr+0x411/0x2000 [ 8355.335489][ T7704] inet6_addr_add+0x30e/0xa40 [ 8355.335489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8355.335489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.335489][ T7704] netlink_rcv_skb+0x130/0x360 [ 8355.335489][ T7704] netlink_unicast+0x449/0x710 [ 8355.335489][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8355.335489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8355.335489][ T7704] ___sys_sendmsg+0xee/0x170 [ 8355.335489][ T7704] __sys_sendmsg+0xcd/0x170 [ 8355.335489][ T7704] do_syscall_64+0xc6/0x1e0 [ 8355.335489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.335489][ T7704] [ 8355.337706][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8355.337706][ T7704] netdev_get_by_index+0x5e/0x80 [ 8355.337706][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8355.337706][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8355.337706][ T7704] ip6_route_add+0x1c/0x140 [ 8355.337706][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8355.337706][ T7704] addrconf_add_dev+0xe2/0x170 [ 8355.337706][ T7704] inet6_addr_add+0x12f/0xa40 [ 8355.337706][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8355.337706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.337706][ T7704] netlink_rcv_skb+0x130/0x360 [ 8355.337706][ T7704] netlink_unicast+0x449/0x710 [ 8355.337706][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8355.337706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8355.337706][ T7704] ___sys_sendmsg+0xee/0x170 [ 8355.337706][ T7704] __sys_sendmsg+0xcd/0x170 [ 8355.337706][ T7704] do_syscall_64+0xc6/0x1e0 [ 8355.337706][ T7704] [ 8355.339870][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8355.339870][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8355.339870][ T7704] ipv6_find_idev+0x102/0x170 [ 8355.339870][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8355.339870][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.339870][ T7704] netlink_rcv_skb+0x130/0x360 [ 8355.339870][ T7704] netlink_unicast+0x449/0x710 [ 8355.339870][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8355.339870][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8355.339870][ T7704] ___sys_sendmsg+0xee/0x170 [ 8355.339870][ T7704] __sys_sendmsg+0xcd/0x170 [ 8355.339870][ T7704] do_syscall_64+0xc6/0x1e0 [ 8355.339870][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.339870][ T7704] [ 8355.341571][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8355.341571][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8355.341571][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8355.341571][ T7704] ipv6_find_idev+0x102/0x170 [ 8355.341571][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8355.341571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.341571][ T7704] netlink_rcv_skb+0x130/0x360 [ 8355.341571][ T7704] netlink_unicast+0x449/0x710 [ 8355.341571][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8355.341571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8355.341571][ T7704] ___sys_sendmsg+0xee/0x170 [ 8355.341571][ T7704] __sys_sendmsg+0xcd/0x170 [ 8355.341571][ T7704] do_syscall_64+0xc6/0x1e0 [ 8355.341571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.341571][ T7704] [ 8365.476759][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8365.477245][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8365.477245][ T7704] netdev_get_by_index+0x5e/0x80 [ 8365.477245][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8365.477245][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8365.477245][ T7704] ip6_route_add+0x1c/0x140 [ 8365.477245][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8365.477245][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8365.477245][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8365.477245][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8365.477245][ T7704] netlink_rcv_skb+0x130/0x360 [ 8365.477245][ T7704] netlink_unicast+0x449/0x710 [ 8365.477245][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8365.477245][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8365.477245][ T7704] ___sys_sendmsg+0xee/0x170 [ 8365.477245][ T7704] __sys_sendmsg+0xcd/0x170 [ 8365.477245][ T7704] do_syscall_64+0xc6/0x1e0 [ 8365.477245][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8365.477245][ T7704] [ 8365.479509][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8365.479509][ T7704] netdev_get_by_index+0x5e/0x80 [ 8365.479509][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8365.479509][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8365.479509][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8365.479509][ T7704] ipv6_add_addr+0x411/0x2000 [ 8365.479509][ T7704] inet6_addr_add+0x30e/0xa40 [ 8365.479509][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8365.479509][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8365.479509][ T7704] netlink_rcv_skb+0x130/0x360 [ 8365.479509][ T7704] netlink_unicast+0x449/0x710 [ 8365.479509][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8365.479509][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8365.479509][ T7704] ___sys_sendmsg+0xee/0x170 [ 8365.479509][ T7704] __sys_sendmsg+0xcd/0x170 [ 8365.479509][ T7704] do_syscall_64+0xc6/0x1e0 [ 8365.479509][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8365.479509][ T7704] [ 8365.481727][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8365.481727][ T7704] netdev_get_by_index+0x5e/0x80 [ 8365.481727][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8365.481727][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8365.481727][ T7704] ip6_route_add+0x1c/0x140 [ 8365.481727][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8365.481727][ T7704] addrconf_add_dev+0xe2/0x170 [ 8365.481727][ T7704] inet6_addr_add+0x12f/0xa40 [ 8365.481727][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8365.481727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8365.481727][ T7704] netlink_rcv_skb+0x130/0x360 [ 8365.481727][ T7704] netlink_unicast+0x449/0x710 [ 8365.481727][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8365.481727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8365.481727][ T7704] ___sys_sendmsg+0xee/0x170 [ 8365.481727][ T7704] __sys_sendmsg+0xcd/0x170 [ 8365.481727][ T7704] do_syscall_64+0xc6/0x1e0 [ 8365.481727][ T7704] [ 8365.483940][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8365.483940][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8365.483940][ T7704] ipv6_find_idev+0x102/0x170 [ 8365.483940][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8365.483940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8365.483940][ T7704] netlink_rcv_skb+0x130/0x360 [ 8365.483940][ T7704] netlink_unicast+0x449/0x710 [ 8365.483940][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8365.483940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8365.483940][ T7704] ___sys_sendmsg+0xee/0x170 [ 8365.483940][ T7704] __sys_sendmsg+0xcd/0x170 [ 8365.483940][ T7704] do_syscall_64+0xc6/0x1e0 [ 8365.483940][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8365.483940][ T7704] [ 8365.485650][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8365.485650][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8365.485650][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8365.485650][ T7704] ipv6_find_idev+0x102/0x170 [ 8365.485650][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8365.485650][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8365.485650][ T7704] netlink_rcv_skb+0x130/0x360 [ 8365.485650][ T7704] netlink_unicast+0x449/0x710 [ 8365.485650][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8365.485650][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8365.485650][ T7704] ___sys_sendmsg+0xee/0x170 [ 8365.485650][ T7704] __sys_sendmsg+0xcd/0x170 [ 8365.485650][ T7704] do_syscall_64+0xc6/0x1e0 [ 8365.485650][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8365.485650][ T7704] [ 8375.492758][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8375.493236][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8375.493236][ T7704] netdev_get_by_index+0x5e/0x80 [ 8375.493236][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8375.493236][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8375.493236][ T7704] ip6_route_add+0x1c/0x140 [ 8375.493236][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8375.493236][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8375.493236][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8375.493236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8375.493236][ T7704] netlink_rcv_skb+0x130/0x360 [ 8375.493236][ T7704] netlink_unicast+0x449/0x710 [ 8375.493236][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8375.493236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8375.493236][ T7704] ___sys_sendmsg+0xee/0x170 [ 8375.493236][ T7704] __sys_sendmsg+0xcd/0x170 [ 8375.493236][ T7704] do_syscall_64+0xc6/0x1e0 [ 8375.493236][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8375.493236][ T7704] [ 8375.495958][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8375.495958][ T7704] netdev_get_by_index+0x5e/0x80 [ 8375.495958][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8375.495958][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8375.495958][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8375.495958][ T7704] ipv6_add_addr+0x411/0x2000 [ 8375.495958][ T7704] inet6_addr_add+0x30e/0xa40 [ 8375.495958][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8375.495958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8375.495958][ T7704] netlink_rcv_skb+0x130/0x360 [ 8375.495958][ T7704] netlink_unicast+0x449/0x710 [ 8375.495958][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8375.495958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8375.495958][ T7704] ___sys_sendmsg+0xee/0x170 [ 8375.495958][ T7704] __sys_sendmsg+0xcd/0x170 [ 8375.495958][ T7704] do_syscall_64+0xc6/0x1e0 [ 8375.495958][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8375.495958][ T7704] [ 8375.498653][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8375.498653][ T7704] netdev_get_by_index+0x5e/0x80 [ 8375.498653][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8375.498653][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8375.498653][ T7704] ip6_route_add+0x1c/0x140 [ 8375.498653][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8375.498653][ T7704] addrconf_add_dev+0xe2/0x170 [ 8375.498653][ T7704] inet6_addr_add+0x12f/0xa40 [ 8375.498653][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8375.498653][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8375.498653][ T7704] netlink_rcv_skb+0x130/0x360 [ 8375.498653][ T7704] netlink_unicast+0x449/0x710 [ 8375.498653][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8375.498653][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8375.498653][ T7704] ___sys_sendmsg+0xee/0x170 [ 8375.498653][ T7704] __sys_sendmsg+0xcd/0x170 [ 8375.498653][ T7704] do_syscall_64+0xc6/0x1e0 [ 8375.498653][ T7704] [ 8375.501295][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8375.501295][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8375.501295][ T7704] ipv6_find_idev+0x102/0x170 [ 8375.501295][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8375.501295][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8375.501295][ T7704] netlink_rcv_skb+0x130/0x360 [ 8375.501295][ T7704] netlink_unicast+0x449/0x710 [ 8375.501295][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8375.501295][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8375.501295][ T7704] ___sys_sendmsg+0xee/0x170 [ 8375.501295][ T7704] __sys_sendmsg+0xcd/0x170 [ 8375.501295][ T7704] do_syscall_64+0xc6/0x1e0 [ 8375.501295][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8375.501295][ T7704] [ 8375.503406][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8375.503406][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8375.503406][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8375.503406][ T7704] ipv6_find_idev+0x102/0x170 [ 8375.503406][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8375.503406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8375.503406][ T7704] netlink_rcv_skb+0x130/0x360 [ 8375.503406][ T7704] netlink_unicast+0x449/0x710 [ 8375.503406][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8375.503406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8375.503406][ T7704] ___sys_sendmsg+0xee/0x170 [ 8375.503406][ T7704] __sys_sendmsg+0xcd/0x170 [ 8375.503406][ T7704] do_syscall_64+0xc6/0x1e0 [ 8375.503406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8375.503406][ T7704] [ 8385.628793][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8385.629278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8385.629278][ T7704] netdev_get_by_index+0x5e/0x80 [ 8385.629278][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8385.629278][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8385.629278][ T7704] ip6_route_add+0x1c/0x140 [ 8385.629278][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8385.629278][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8385.629278][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8385.629278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8385.629278][ T7704] netlink_rcv_skb+0x130/0x360 [ 8385.629278][ T7704] netlink_unicast+0x449/0x710 [ 8385.629278][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8385.629278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8385.629278][ T7704] ___sys_sendmsg+0xee/0x170 [ 8385.629278][ T7704] __sys_sendmsg+0xcd/0x170 [ 8385.629278][ T7704] do_syscall_64+0xc6/0x1e0 [ 8385.629278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8385.629278][ T7704] [ 8385.631998][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8385.631998][ T7704] netdev_get_by_index+0x5e/0x80 [ 8385.631998][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8385.631998][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8385.631998][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8385.631998][ T7704] ipv6_add_addr+0x411/0x2000 [ 8385.631998][ T7704] inet6_addr_add+0x30e/0xa40 [ 8385.631998][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8385.631998][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8385.631998][ T7704] netlink_rcv_skb+0x130/0x360 [ 8385.631998][ T7704] netlink_unicast+0x449/0x710 [ 8385.631998][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8385.631998][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8385.631998][ T7704] ___sys_sendmsg+0xee/0x170 [ 8385.631998][ T7704] __sys_sendmsg+0xcd/0x170 [ 8385.631998][ T7704] do_syscall_64+0xc6/0x1e0 [ 8385.631998][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8385.631998][ T7704] [ 8385.634693][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8385.634693][ T7704] netdev_get_by_index+0x5e/0x80 [ 8385.634693][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8385.634693][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8385.634693][ T7704] ip6_route_add+0x1c/0x140 [ 8385.634693][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8385.634693][ T7704] addrconf_add_dev+0xe2/0x170 [ 8385.634693][ T7704] inet6_addr_add+0x12f/0xa40 [ 8385.634693][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8385.634693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8385.634693][ T7704] netlink_rcv_skb+0x130/0x360 [ 8385.634693][ T7704] netlink_unicast+0x449/0x710 [ 8385.634693][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8385.634693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8385.634693][ T7704] ___sys_sendmsg+0xee/0x170 [ 8385.634693][ T7704] __sys_sendmsg+0xcd/0x170 [ 8385.634693][ T7704] do_syscall_64+0xc6/0x1e0 [ 8385.634693][ T7704] [ 8385.637342][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8385.637342][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8385.637342][ T7704] ipv6_find_idev+0x102/0x170 [ 8385.637342][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8385.637342][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8385.637342][ T7704] netlink_rcv_skb+0x130/0x360 [ 8385.637342][ T7704] netlink_unicast+0x449/0x710 [ 8385.637342][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8385.637342][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8385.637342][ T7704] ___sys_sendmsg+0xee/0x170 [ 8385.637342][ T7704] __sys_sendmsg+0xcd/0x170 [ 8385.637342][ T7704] do_syscall_64+0xc6/0x1e0 [ 8385.637342][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8385.637342][ T7704] [ 8385.639415][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8385.639415][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8385.639415][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8385.639415][ T7704] ipv6_find_idev+0x102/0x170 [ 8385.639415][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8385.639415][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8385.639415][ T7704] netlink_rcv_skb+0x130/0x360 [ 8385.639415][ T7704] netlink_unicast+0x449/0x710 [ 8385.639415][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8385.639415][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8385.639415][ T7704] ___sys_sendmsg+0xee/0x170 [ 8385.639415][ T7704] __sys_sendmsg+0xcd/0x170 [ 8385.639415][ T7704] do_syscall_64+0xc6/0x1e0 [ 8385.639415][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8385.639415][ T7704] [ 8395.876840][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8395.877262][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8395.877262][ T7704] netdev_get_by_index+0x5e/0x80 [ 8395.877262][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8395.877262][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8395.877262][ T7704] ip6_route_add+0x1c/0x140 [ 8395.877262][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8395.877262][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8395.877262][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8395.877262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8395.877262][ T7704] netlink_rcv_skb+0x130/0x360 [ 8395.877262][ T7704] netlink_unicast+0x449/0x710 [ 8395.877262][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8395.877262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8395.877262][ T7704] ___sys_sendmsg+0xee/0x170 [ 8395.877262][ T7704] __sys_sendmsg+0xcd/0x170 [ 8395.877262][ T7704] do_syscall_64+0xc6/0x1e0 [ 8395.877262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8395.877262][ T7704] [ 8395.879498][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8395.879498][ T7704] netdev_get_by_index+0x5e/0x80 [ 8395.879498][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8395.879498][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8395.879498][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8395.879498][ T7704] ipv6_add_addr+0x411/0x2000 [ 8395.879498][ T7704] inet6_addr_add+0x30e/0xa40 [ 8395.879498][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8395.879498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8395.879498][ T7704] netlink_rcv_skb+0x130/0x360 [ 8395.879498][ T7704] netlink_unicast+0x449/0x710 [ 8395.879498][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8395.879498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8395.879498][ T7704] ___sys_sendmsg+0xee/0x170 [ 8395.879498][ T7704] __sys_sendmsg+0xcd/0x170 [ 8395.879498][ T7704] do_syscall_64+0xc6/0x1e0 [ 8395.879498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8395.879498][ T7704] [ 8395.881700][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8395.881700][ T7704] netdev_get_by_index+0x5e/0x80 [ 8395.881700][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8395.881700][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8395.881700][ T7704] ip6_route_add+0x1c/0x140 [ 8395.881700][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8395.881700][ T7704] addrconf_add_dev+0xe2/0x170 [ 8395.881700][ T7704] inet6_addr_add+0x12f/0xa40 [ 8395.881700][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8395.881700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8395.881700][ T7704] netlink_rcv_skb+0x130/0x360 [ 8395.881700][ T7704] netlink_unicast+0x449/0x710 [ 8395.881700][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8395.881700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8395.881700][ T7704] ___sys_sendmsg+0xee/0x170 [ 8395.881700][ T7704] __sys_sendmsg+0xcd/0x170 [ 8395.881700][ T7704] do_syscall_64+0xc6/0x1e0 [ 8395.881700][ T7704] [ 8395.883890][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8395.883890][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8395.883890][ T7704] ipv6_find_idev+0x102/0x170 [ 8395.883890][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8395.883890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8395.883890][ T7704] netlink_rcv_skb+0x130/0x360 [ 8395.883890][ T7704] netlink_unicast+0x449/0x710 [ 8395.883890][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8395.883890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8395.883890][ T7704] ___sys_sendmsg+0xee/0x170 [ 8395.883890][ T7704] __sys_sendmsg+0xcd/0x170 [ 8395.883890][ T7704] do_syscall_64+0xc6/0x1e0 [ 8395.883890][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8395.883890][ T7704] [ 8395.885587][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8395.885587][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8395.885587][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8395.885587][ T7704] ipv6_find_idev+0x102/0x170 [ 8395.885587][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8395.885587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8395.885587][ T7704] netlink_rcv_skb+0x130/0x360 [ 8395.885587][ T7704] netlink_unicast+0x449/0x710 [ 8395.885587][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8395.885587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8395.885587][ T7704] ___sys_sendmsg+0xee/0x170 [ 8395.885587][ T7704] __sys_sendmsg+0xcd/0x170 [ 8395.885587][ T7704] do_syscall_64+0xc6/0x1e0 [ 8395.885587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8395.885587][ T7704] [ 8406.124765][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8406.125170][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8406.125170][ T7704] netdev_get_by_index+0x5e/0x80 [ 8406.125170][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8406.125170][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8406.125170][ T7704] ip6_route_add+0x1c/0x140 [ 8406.125170][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8406.125170][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8406.125170][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8406.125170][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8406.125170][ T7704] netlink_rcv_skb+0x130/0x360 [ 8406.125170][ T7704] netlink_unicast+0x449/0x710 [ 8406.125170][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8406.125170][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8406.125170][ T7704] ___sys_sendmsg+0xee/0x170 [ 8406.125170][ T7704] __sys_sendmsg+0xcd/0x170 [ 8406.125170][ T7704] do_syscall_64+0xc6/0x1e0 [ 8406.125170][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8406.125170][ T7704] [ 8406.127417][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8406.127417][ T7704] netdev_get_by_index+0x5e/0x80 [ 8406.127417][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8406.127417][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8406.127417][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8406.127417][ T7704] ipv6_add_addr+0x411/0x2000 [ 8406.127417][ T7704] inet6_addr_add+0x30e/0xa40 [ 8406.127417][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8406.127417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8406.127417][ T7704] netlink_rcv_skb+0x130/0x360 [ 8406.127417][ T7704] netlink_unicast+0x449/0x710 [ 8406.127417][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8406.127417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8406.127417][ T7704] ___sys_sendmsg+0xee/0x170 [ 8406.127417][ T7704] __sys_sendmsg+0xcd/0x170 [ 8406.127417][ T7704] do_syscall_64+0xc6/0x1e0 [ 8406.127417][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8406.127417][ T7704] [ 8406.129653][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8406.129653][ T7704] netdev_get_by_index+0x5e/0x80 [ 8406.129653][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8406.129653][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8406.129653][ T7704] ip6_route_add+0x1c/0x140 [ 8406.129653][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8406.129653][ T7704] addrconf_add_dev+0xe2/0x170 [ 8406.129653][ T7704] inet6_addr_add+0x12f/0xa40 [ 8406.129653][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8406.129653][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8406.129653][ T7704] netlink_rcv_skb+0x130/0x360 [ 8406.129653][ T7704] netlink_unicast+0x449/0x710 [ 8406.129653][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8406.129653][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8406.129653][ T7704] ___sys_sendmsg+0xee/0x170 [ 8406.129653][ T7704] __sys_sendmsg+0xcd/0x170 [ 8406.129653][ T7704] do_syscall_64+0xc6/0x1e0 [ 8406.129653][ T7704] [ 8406.131848][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8406.131848][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8406.131848][ T7704] ipv6_find_idev+0x102/0x170 [ 8406.131848][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8406.131848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8406.131848][ T7704] netlink_rcv_skb+0x130/0x360 [ 8406.131848][ T7704] netlink_unicast+0x449/0x710 [ 8406.131848][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8406.131848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8406.131848][ T7704] ___sys_sendmsg+0xee/0x170 [ 8406.131848][ T7704] __sys_sendmsg+0xcd/0x170 [ 8406.131848][ T7704] do_syscall_64+0xc6/0x1e0 [ 8406.131848][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8406.131848][ T7704] [ 8406.133560][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8406.133560][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8406.133560][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8406.133560][ T7704] ipv6_find_idev+0x102/0x170 [ 8406.133560][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8406.133560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8406.133560][ T7704] netlink_rcv_skb+0x130/0x360 [ 8406.133560][ T7704] netlink_unicast+0x449/0x710 [ 8406.133560][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8406.133560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8406.133560][ T7704] ___sys_sendmsg+0xee/0x170 [ 8406.133560][ T7704] __sys_sendmsg+0xcd/0x170 [ 8406.133560][ T7704] do_syscall_64+0xc6/0x1e0 [ 8406.133560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8406.133560][ T7704] [ 8416.372780][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8416.373198][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8416.373198][ T7704] netdev_get_by_index+0x5e/0x80 [ 8416.373198][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8416.373198][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8416.373198][ T7704] ip6_route_add+0x1c/0x140 [ 8416.373198][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8416.373198][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8416.373198][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8416.373198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8416.373198][ T7704] netlink_rcv_skb+0x130/0x360 [ 8416.373198][ T7704] netlink_unicast+0x449/0x710 [ 8416.373198][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8416.373198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8416.373198][ T7704] ___sys_sendmsg+0xee/0x170 [ 8416.373198][ T7704] __sys_sendmsg+0xcd/0x170 [ 8416.373198][ T7704] do_syscall_64+0xc6/0x1e0 [ 8416.373198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8416.373198][ T7704] [ 8416.375436][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8416.375436][ T7704] netdev_get_by_index+0x5e/0x80 [ 8416.375436][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8416.375436][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8416.375436][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8416.375436][ T7704] ipv6_add_addr+0x411/0x2000 [ 8416.375436][ T7704] inet6_addr_add+0x30e/0xa40 [ 8416.375436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8416.375436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8416.375436][ T7704] netlink_rcv_skb+0x130/0x360 [ 8416.375436][ T7704] netlink_unicast+0x449/0x710 [ 8416.375436][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8416.375436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8416.375436][ T7704] ___sys_sendmsg+0xee/0x170 [ 8416.375436][ T7704] __sys_sendmsg+0xcd/0x170 [ 8416.375436][ T7704] do_syscall_64+0xc6/0x1e0 [ 8416.375436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8416.375436][ T7704] [ 8416.377655][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8416.377655][ T7704] netdev_get_by_index+0x5e/0x80 [ 8416.377655][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8416.377655][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8416.377655][ T7704] ip6_route_add+0x1c/0x140 [ 8416.377655][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8416.377655][ T7704] addrconf_add_dev+0xe2/0x170 [ 8416.377655][ T7704] inet6_addr_add+0x12f/0xa40 [ 8416.377655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8416.377655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8416.377655][ T7704] netlink_rcv_skb+0x130/0x360 [ 8416.377655][ T7704] netlink_unicast+0x449/0x710 [ 8416.377655][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8416.377655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8416.377655][ T7704] ___sys_sendmsg+0xee/0x170 [ 8416.377655][ T7704] __sys_sendmsg+0xcd/0x170 [ 8416.377655][ T7704] do_syscall_64+0xc6/0x1e0 [ 8416.377655][ T7704] [ 8416.379863][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8416.379863][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8416.379863][ T7704] ipv6_find_idev+0x102/0x170 [ 8416.379863][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8416.379863][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8416.379863][ T7704] netlink_rcv_skb+0x130/0x360 [ 8416.379863][ T7704] netlink_unicast+0x449/0x710 [ 8416.379863][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8416.379863][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8416.379863][ T7704] ___sys_sendmsg+0xee/0x170 [ 8416.379863][ T7704] __sys_sendmsg+0xcd/0x170 [ 8416.379863][ T7704] do_syscall_64+0xc6/0x1e0 [ 8416.379863][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8416.379863][ T7704] [ 8416.381571][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8416.381571][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8416.381571][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8416.381571][ T7704] ipv6_find_idev+0x102/0x170 [ 8416.381571][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8416.381571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8416.381571][ T7704] netlink_rcv_skb+0x130/0x360 [ 8416.381571][ T7704] netlink_unicast+0x449/0x710 [ 8416.381571][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8416.381571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8416.381571][ T7704] ___sys_sendmsg+0xee/0x170 [ 8416.381571][ T7704] __sys_sendmsg+0xcd/0x170 [ 8416.381571][ T7704] do_syscall_64+0xc6/0x1e0 [ 8416.381571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8416.381571][ T7704] [ 8426.620849][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8426.621276][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8426.621276][ T7704] netdev_get_by_index+0x5e/0x80 [ 8426.621276][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8426.621276][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8426.621276][ T7704] ip6_route_add+0x1c/0x140 [ 8426.621276][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8426.621276][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8426.621276][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8426.621276][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8426.621276][ T7704] netlink_rcv_skb+0x130/0x360 [ 8426.621276][ T7704] netlink_unicast+0x449/0x710 [ 8426.621276][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8426.621276][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8426.621276][ T7704] ___sys_sendmsg+0xee/0x170 [ 8426.621276][ T7704] __sys_sendmsg+0xcd/0x170 [ 8426.621276][ T7704] do_syscall_64+0xc6/0x1e0 [ 8426.621276][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8426.621276][ T7704] [ 8426.623548][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8426.623548][ T7704] netdev_get_by_index+0x5e/0x80 [ 8426.623548][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8426.623548][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8426.623548][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8426.623548][ T7704] ipv6_add_addr+0x411/0x2000 [ 8426.623548][ T7704] inet6_addr_add+0x30e/0xa40 [ 8426.623548][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8426.623548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8426.623548][ T7704] netlink_rcv_skb+0x130/0x360 [ 8426.623548][ T7704] netlink_unicast+0x449/0x710 [ 8426.623548][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8426.623548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8426.623548][ T7704] ___sys_sendmsg+0xee/0x170 [ 8426.623548][ T7704] __sys_sendmsg+0xcd/0x170 [ 8426.623548][ T7704] do_syscall_64+0xc6/0x1e0 [ 8426.623548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8426.623548][ T7704] [ 8426.625772][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8426.625772][ T7704] netdev_get_by_index+0x5e/0x80 [ 8426.625772][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8426.625772][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8426.625772][ T7704] ip6_route_add+0x1c/0x140 [ 8426.625772][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8426.625772][ T7704] addrconf_add_dev+0xe2/0x170 [ 8426.625772][ T7704] inet6_addr_add+0x12f/0xa40 [ 8426.625772][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8426.625772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8426.625772][ T7704] netlink_rcv_skb+0x130/0x360 [ 8426.625772][ T7704] netlink_unicast+0x449/0x710 [ 8426.625772][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8426.625772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8426.625772][ T7704] ___sys_sendmsg+0xee/0x170 [ 8426.625772][ T7704] __sys_sendmsg+0xcd/0x170 [ 8426.625772][ T7704] do_syscall_64+0xc6/0x1e0 [ 8426.625772][ T7704] [ 8426.627951][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8426.627951][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8426.627951][ T7704] ipv6_find_idev+0x102/0x170 [ 8426.627951][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8426.627951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8426.627951][ T7704] netlink_rcv_skb+0x130/0x360 [ 8426.627951][ T7704] netlink_unicast+0x449/0x710 [ 8426.627951][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8426.627951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8426.627951][ T7704] ___sys_sendmsg+0xee/0x170 [ 8426.627951][ T7704] __sys_sendmsg+0xcd/0x170 [ 8426.627951][ T7704] do_syscall_64+0xc6/0x1e0 [ 8426.627951][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8426.627951][ T7704] [ 8426.629665][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8426.629665][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8426.629665][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8426.629665][ T7704] ipv6_find_idev+0x102/0x170 [ 8426.629665][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8426.629665][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8426.629665][ T7704] netlink_rcv_skb+0x130/0x360 [ 8426.629665][ T7704] netlink_unicast+0x449/0x710 [ 8426.629665][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8426.629665][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8426.629665][ T7704] ___sys_sendmsg+0xee/0x170 [ 8426.629665][ T7704] __sys_sendmsg+0xcd/0x170 [ 8426.629665][ T7704] do_syscall_64+0xc6/0x1e0 [ 8426.629665][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8426.629665][ T7704] [ 8436.868824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8436.869236][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8436.869236][ T7704] netdev_get_by_index+0x5e/0x80 [ 8436.869236][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8436.869236][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8436.869236][ T7704] ip6_route_add+0x1c/0x140 [ 8436.869236][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8436.869236][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8436.869236][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8436.869236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8436.869236][ T7704] netlink_rcv_skb+0x130/0x360 [ 8436.869236][ T7704] netlink_unicast+0x449/0x710 [ 8436.869236][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8436.869236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8436.869236][ T7704] ___sys_sendmsg+0xee/0x170 [ 8436.869236][ T7704] __sys_sendmsg+0xcd/0x170 [ 8436.869236][ T7704] do_syscall_64+0xc6/0x1e0 [ 8436.869236][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8436.869236][ T7704] [ 8436.871469][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8436.871469][ T7704] netdev_get_by_index+0x5e/0x80 [ 8436.871469][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8436.871469][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8436.871469][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8436.871469][ T7704] ipv6_add_addr+0x411/0x2000 [ 8436.871469][ T7704] inet6_addr_add+0x30e/0xa40 [ 8436.871469][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8436.871469][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8436.871469][ T7704] netlink_rcv_skb+0x130/0x360 [ 8436.871469][ T7704] netlink_unicast+0x449/0x710 [ 8436.871469][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8436.871469][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8436.871469][ T7704] ___sys_sendmsg+0xee/0x170 [ 8436.871469][ T7704] __sys_sendmsg+0xcd/0x170 [ 8436.871469][ T7704] do_syscall_64+0xc6/0x1e0 [ 8436.871469][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8436.871469][ T7704] [ 8436.873682][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8436.873682][ T7704] netdev_get_by_index+0x5e/0x80 [ 8436.873682][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8436.873682][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8436.873682][ T7704] ip6_route_add+0x1c/0x140 [ 8436.873682][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8436.873682][ T7704] addrconf_add_dev+0xe2/0x170 [ 8436.873682][ T7704] inet6_addr_add+0x12f/0xa40 [ 8436.873682][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8436.873682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8436.873682][ T7704] netlink_rcv_skb+0x130/0x360 [ 8436.873682][ T7704] netlink_unicast+0x449/0x710 [ 8436.873682][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8436.873682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8436.873682][ T7704] ___sys_sendmsg+0xee/0x170 [ 8436.873682][ T7704] __sys_sendmsg+0xcd/0x170 [ 8436.873682][ T7704] do_syscall_64+0xc6/0x1e0 [ 8436.873682][ T7704] [ 8436.875846][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8436.875846][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8436.875846][ T7704] ipv6_find_idev+0x102/0x170 [ 8436.875846][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8436.875846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8436.875846][ T7704] netlink_rcv_skb+0x130/0x360 [ 8436.875846][ T7704] netlink_unicast+0x449/0x710 [ 8436.875846][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8436.875846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8436.875846][ T7704] ___sys_sendmsg+0xee/0x170 [ 8436.875846][ T7704] __sys_sendmsg+0xcd/0x170 [ 8436.875846][ T7704] do_syscall_64+0xc6/0x1e0 [ 8436.875846][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8436.875846][ T7704] [ 8436.877554][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8436.877554][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8436.877554][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8436.877554][ T7704] ipv6_find_idev+0x102/0x170 [ 8436.877554][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8436.877554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8436.877554][ T7704] netlink_rcv_skb+0x130/0x360 [ 8436.877554][ T7704] netlink_unicast+0x449/0x710 [ 8436.877554][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8436.877554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8436.877554][ T7704] ___sys_sendmsg+0xee/0x170 [ 8436.877554][ T7704] __sys_sendmsg+0xcd/0x170 [ 8436.877554][ T7704] do_syscall_64+0xc6/0x1e0 [ 8436.877554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8436.877554][ T7704] [ 8447.116791][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8447.117369][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8447.117369][ T7704] netdev_get_by_index+0x5e/0x80 [ 8447.117369][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8447.117369][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8447.117369][ T7704] ip6_route_add+0x1c/0x140 [ 8447.117369][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8447.117369][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8447.117369][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8447.117369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8447.117369][ T7704] netlink_rcv_skb+0x130/0x360 [ 8447.117369][ T7704] netlink_unicast+0x449/0x710 [ 8447.117369][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8447.117369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8447.117369][ T7704] ___sys_sendmsg+0xee/0x170 [ 8447.117369][ T7704] __sys_sendmsg+0xcd/0x170 [ 8447.117369][ T7704] do_syscall_64+0xc6/0x1e0 [ 8447.117369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8447.117369][ T7704] [ 8447.120966][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8447.120966][ T7704] netdev_get_by_index+0x5e/0x80 [ 8447.120966][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8447.120966][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8447.120966][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8447.120966][ T7704] ipv6_add_addr+0x411/0x2000 [ 8447.120966][ T7704] inet6_addr_add+0x30e/0xa40 [ 8447.120966][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8447.120966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8447.120966][ T7704] netlink_rcv_skb+0x130/0x360 [ 8447.120966][ T7704] netlink_unicast+0x449/0x710 [ 8447.120966][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8447.120966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8447.120966][ T7704] ___sys_sendmsg+0xee/0x170 [ 8447.120966][ T7704] __sys_sendmsg+0xcd/0x170 [ 8447.120966][ T7704] do_syscall_64+0xc6/0x1e0 [ 8447.120966][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8447.120966][ T7704] [ 8447.125103][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8447.125103][ T7704] netdev_get_by_index+0x5e/0x80 [ 8447.125103][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8447.125103][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8447.125103][ T7704] ip6_route_add+0x1c/0x140 [ 8447.125103][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8447.125103][ T7704] addrconf_add_dev+0xe2/0x170 [ 8447.125103][ T7704] inet6_addr_add+0x12f/0xa40 [ 8447.125103][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8447.125103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8447.125103][ T7704] netlink_rcv_skb+0x130/0x360 [ 8447.125103][ T7704] netlink_unicast+0x449/0x710 [ 8447.125103][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8447.125103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8447.125103][ T7704] ___sys_sendmsg+0xee/0x170 [ 8447.125103][ T7704] __sys_sendmsg+0xcd/0x170 [ 8447.125103][ T7704] do_syscall_64+0xc6/0x1e0 [ 8447.125103][ T7704] [ 8447.127959][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8447.127959][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8447.127959][ T7704] ipv6_find_idev+0x102/0x170 [ 8447.127959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8447.127959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8447.127959][ T7704] netlink_rcv_skb+0x130/0x360 [ 8447.127959][ T7704] netlink_unicast+0x449/0x710 [ 8447.127959][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8447.127959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8447.127959][ T7704] ___sys_sendmsg+0xee/0x170 [ 8447.127959][ T7704] __sys_sendmsg+0xcd/0x170 [ 8447.127959][ T7704] do_syscall_64+0xc6/0x1e0 [ 8447.127959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8447.127959][ T7704] [ 8447.129652][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8447.129652][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8447.129652][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8447.129652][ T7704] ipv6_find_idev+0x102/0x170 [ 8447.129652][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8447.129652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8447.129652][ T7704] netlink_rcv_skb+0x130/0x360 [ 8447.129652][ T7704] netlink_unicast+0x449/0x710 [ 8447.129652][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8447.129652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8447.129652][ T7704] ___sys_sendmsg+0xee/0x170 [ 8447.129652][ T7704] __sys_sendmsg+0xcd/0x170 [ 8447.129652][ T7704] do_syscall_64+0xc6/0x1e0 [ 8447.129652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8447.129652][ T7704] [ 8457.140816][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8457.141298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8457.141298][ T7704] netdev_get_by_index+0x5e/0x80 [ 8457.141298][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8457.141298][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8457.141298][ T7704] ip6_route_add+0x1c/0x140 [ 8457.141298][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8457.141298][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8457.141298][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8457.141298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8457.141298][ T7704] netlink_rcv_skb+0x130/0x360 [ 8457.141298][ T7704] netlink_unicast+0x449/0x710 [ 8457.141298][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8457.141298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8457.141298][ T7704] ___sys_sendmsg+0xee/0x170 [ 8457.141298][ T7704] __sys_sendmsg+0xcd/0x170 [ 8457.141298][ T7704] do_syscall_64+0xc6/0x1e0 [ 8457.141298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8457.141298][ T7704] [ 8457.143535][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8457.143535][ T7704] netdev_get_by_index+0x5e/0x80 [ 8457.143535][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8457.143535][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8457.143535][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8457.143535][ T7704] ipv6_add_addr+0x411/0x2000 [ 8457.143535][ T7704] inet6_addr_add+0x30e/0xa40 [ 8457.143535][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8457.143535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8457.143535][ T7704] netlink_rcv_skb+0x130/0x360 [ 8457.143535][ T7704] netlink_unicast+0x449/0x710 [ 8457.143535][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8457.143535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8457.143535][ T7704] ___sys_sendmsg+0xee/0x170 [ 8457.143535][ T7704] __sys_sendmsg+0xcd/0x170 [ 8457.143535][ T7704] do_syscall_64+0xc6/0x1e0 [ 8457.143535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8457.143535][ T7704] [ 8457.145737][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8457.145737][ T7704] netdev_get_by_index+0x5e/0x80 [ 8457.145737][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8457.145737][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8457.145737][ T7704] ip6_route_add+0x1c/0x140 [ 8457.145737][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8457.145737][ T7704] addrconf_add_dev+0xe2/0x170 [ 8457.145737][ T7704] inet6_addr_add+0x12f/0xa40 [ 8457.145737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8457.145737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8457.145737][ T7704] netlink_rcv_skb+0x130/0x360 [ 8457.145737][ T7704] netlink_unicast+0x449/0x710 [ 8457.145737][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8457.145737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8457.145737][ T7704] ___sys_sendmsg+0xee/0x170 [ 8457.145737][ T7704] __sys_sendmsg+0xcd/0x170 [ 8457.145737][ T7704] do_syscall_64+0xc6/0x1e0 [ 8457.145737][ T7704] [ 8457.147898][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8457.147898][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8457.147898][ T7704] ipv6_find_idev+0x102/0x170 [ 8457.147898][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8457.147898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8457.147898][ T7704] netlink_rcv_skb+0x130/0x360 [ 8457.147898][ T7704] netlink_unicast+0x449/0x710 [ 8457.147898][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8457.147898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8457.147898][ T7704] ___sys_sendmsg+0xee/0x170 [ 8457.147898][ T7704] __sys_sendmsg+0xcd/0x170 [ 8457.147898][ T7704] do_syscall_64+0xc6/0x1e0 [ 8457.147898][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8457.147898][ T7704] [ 8457.149592][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8457.149592][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8457.149592][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8457.149592][ T7704] ipv6_find_idev+0x102/0x170 [ 8457.149592][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8457.149592][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8457.149592][ T7704] netlink_rcv_skb+0x130/0x360 [ 8457.149592][ T7704] netlink_unicast+0x449/0x710 [ 8457.149592][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8457.149592][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8457.149592][ T7704] ___sys_sendmsg+0xee/0x170 [ 8457.149592][ T7704] __sys_sendmsg+0xcd/0x170 [ 8457.149592][ T7704] do_syscall_64+0xc6/0x1e0 [ 8457.149592][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8457.149592][ T7704] [ 8467.348740][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8467.349155][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8467.349155][ T7704] netdev_get_by_index+0x5e/0x80 [ 8467.349155][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8467.349155][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8467.349155][ T7704] ip6_route_add+0x1c/0x140 [ 8467.349155][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8467.349155][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8467.349155][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8467.349155][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8467.349155][ T7704] netlink_rcv_skb+0x130/0x360 [ 8467.349155][ T7704] netlink_unicast+0x449/0x710 [ 8467.349155][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8467.349155][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8467.349155][ T7704] ___sys_sendmsg+0xee/0x170 [ 8467.349155][ T7704] __sys_sendmsg+0xcd/0x170 [ 8467.349155][ T7704] do_syscall_64+0xc6/0x1e0 [ 8467.349155][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8467.349155][ T7704] [ 8467.351478][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8467.351478][ T7704] netdev_get_by_index+0x5e/0x80 [ 8467.351478][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8467.351478][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8467.351478][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8467.351478][ T7704] ipv6_add_addr+0x411/0x2000 [ 8467.351478][ T7704] inet6_addr_add+0x30e/0xa40 [ 8467.351478][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8467.351478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8467.351478][ T7704] netlink_rcv_skb+0x130/0x360 [ 8467.351478][ T7704] netlink_unicast+0x449/0x710 [ 8467.351478][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8467.351478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8467.351478][ T7704] ___sys_sendmsg+0xee/0x170 [ 8467.351478][ T7704] __sys_sendmsg+0xcd/0x170 [ 8467.351478][ T7704] do_syscall_64+0xc6/0x1e0 [ 8467.351478][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8467.351478][ T7704] [ 8467.354979][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8467.354979][ T7704] netdev_get_by_index+0x5e/0x80 [ 8467.354979][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8467.354979][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8467.354979][ T7704] ip6_route_add+0x1c/0x140 [ 8467.354979][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8467.354979][ T7704] addrconf_add_dev+0xe2/0x170 [ 8467.354979][ T7704] inet6_addr_add+0x12f/0xa40 [ 8467.354979][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8467.354979][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8467.354979][ T7704] netlink_rcv_skb+0x130/0x360 [ 8467.354979][ T7704] netlink_unicast+0x449/0x710 [ 8467.354979][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8467.354979][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8467.354979][ T7704] ___sys_sendmsg+0xee/0x170 [ 8467.354979][ T7704] __sys_sendmsg+0xcd/0x170 [ 8467.354979][ T7704] do_syscall_64+0xc6/0x1e0 [ 8467.354979][ T7704] [ 8467.358368][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8467.358368][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8467.358368][ T7704] ipv6_find_idev+0x102/0x170 [ 8467.358368][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8467.358368][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8467.358368][ T7704] netlink_rcv_skb+0x130/0x360 [ 8467.358368][ T7704] netlink_unicast+0x449/0x710 [ 8467.358368][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8467.358368][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8467.358368][ T7704] ___sys_sendmsg+0xee/0x170 [ 8467.358368][ T7704] __sys_sendmsg+0xcd/0x170 [ 8467.358368][ T7704] do_syscall_64+0xc6/0x1e0 [ 8467.358368][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8467.358368][ T7704] [ 8467.360999][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8467.360999][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8467.360999][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8467.360999][ T7704] ipv6_find_idev+0x102/0x170 [ 8467.360999][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8467.360999][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8467.360999][ T7704] netlink_rcv_skb+0x130/0x360 [ 8467.360999][ T7704] netlink_unicast+0x449/0x710 [ 8467.360999][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8467.360999][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8467.360999][ T7704] ___sys_sendmsg+0xee/0x170 [ 8467.360999][ T7704] __sys_sendmsg+0xcd/0x170 [ 8467.360999][ T7704] do_syscall_64+0xc6/0x1e0 [ 8467.360999][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8467.360999][ T7704] [ 8477.604778][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8477.605189][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8477.605189][ T7704] netdev_get_by_index+0x5e/0x80 [ 8477.605189][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8477.605189][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8477.605189][ T7704] ip6_route_add+0x1c/0x140 [ 8477.605189][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8477.605189][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8477.605189][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8477.605189][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8477.605189][ T7704] netlink_rcv_skb+0x130/0x360 [ 8477.605189][ T7704] netlink_unicast+0x449/0x710 [ 8477.605189][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8477.605189][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8477.605189][ T7704] ___sys_sendmsg+0xee/0x170 [ 8477.605189][ T7704] __sys_sendmsg+0xcd/0x170 [ 8477.605189][ T7704] do_syscall_64+0xc6/0x1e0 [ 8477.605189][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8477.605189][ T7704] [ 8477.607966][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8477.607966][ T7704] netdev_get_by_index+0x5e/0x80 [ 8477.607966][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8477.607966][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8477.607966][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8477.607966][ T7704] ipv6_add_addr+0x411/0x2000 [ 8477.607966][ T7704] inet6_addr_add+0x30e/0xa40 [ 8477.607966][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8477.607966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8477.607966][ T7704] netlink_rcv_skb+0x130/0x360 [ 8477.607966][ T7704] netlink_unicast+0x449/0x710 [ 8477.607966][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8477.607966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8477.607966][ T7704] ___sys_sendmsg+0xee/0x170 [ 8477.607966][ T7704] __sys_sendmsg+0xcd/0x170 [ 8477.607966][ T7704] do_syscall_64+0xc6/0x1e0 [ 8477.607966][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8477.607966][ T7704] [ 8477.610211][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8477.610211][ T7704] netdev_get_by_index+0x5e/0x80 [ 8477.610211][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8477.610211][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8477.610211][ T7704] ip6_route_add+0x1c/0x140 [ 8477.610211][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8477.610211][ T7704] addrconf_add_dev+0xe2/0x170 [ 8477.610211][ T7704] inet6_addr_add+0x12f/0xa40 [ 8477.610211][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8477.610211][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8477.610211][ T7704] netlink_rcv_skb+0x130/0x360 [ 8477.610211][ T7704] netlink_unicast+0x449/0x710 [ 8477.610211][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8477.610211][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8477.610211][ T7704] ___sys_sendmsg+0xee/0x170 [ 8477.610211][ T7704] __sys_sendmsg+0xcd/0x170 [ 8477.610211][ T7704] do_syscall_64+0xc6/0x1e0 [ 8477.610211][ T7704] [ 8477.612460][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8477.612460][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8477.612460][ T7704] ipv6_find_idev+0x102/0x170 [ 8477.612460][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8477.612460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8477.612460][ T7704] netlink_rcv_skb+0x130/0x360 [ 8477.612460][ T7704] netlink_unicast+0x449/0x710 [ 8477.612460][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8477.612460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8477.612460][ T7704] ___sys_sendmsg+0xee/0x170 [ 8477.612460][ T7704] __sys_sendmsg+0xcd/0x170 [ 8477.612460][ T7704] do_syscall_64+0xc6/0x1e0 [ 8477.612460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8477.612460][ T7704] [ 8477.614208][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8477.614208][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8477.614208][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8477.614208][ T7704] ipv6_find_idev+0x102/0x170 [ 8477.614208][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8477.614208][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8477.614208][ T7704] netlink_rcv_skb+0x130/0x360 [ 8477.614208][ T7704] netlink_unicast+0x449/0x710 [ 8477.614208][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8477.614208][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8477.614208][ T7704] ___sys_sendmsg+0xee/0x170 [ 8477.614208][ T7704] __sys_sendmsg+0xcd/0x170 [ 8477.614208][ T7704] do_syscall_64+0xc6/0x1e0 [ 8477.614208][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8477.614208][ T7704] [ 8487.740812][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8487.741270][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8487.741270][ T7704] netdev_get_by_index+0x5e/0x80 [ 8487.741270][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8487.741270][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8487.741270][ T7704] ip6_route_add+0x1c/0x140 [ 8487.741270][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8487.741270][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8487.741270][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8487.741270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8487.741270][ T7704] netlink_rcv_skb+0x130/0x360 [ 8487.741270][ T7704] netlink_unicast+0x449/0x710 [ 8487.741270][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8487.741270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8487.741270][ T7704] ___sys_sendmsg+0xee/0x170 [ 8487.741270][ T7704] __sys_sendmsg+0xcd/0x170 [ 8487.741270][ T7704] do_syscall_64+0xc6/0x1e0 [ 8487.741270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8487.741270][ T7704] [ 8487.743557][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8487.743557][ T7704] netdev_get_by_index+0x5e/0x80 [ 8487.743557][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8487.743557][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8487.743557][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8487.743557][ T7704] ipv6_add_addr+0x411/0x2000 [ 8487.743557][ T7704] inet6_addr_add+0x30e/0xa40 [ 8487.743557][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8487.743557][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8487.743557][ T7704] netlink_rcv_skb+0x130/0x360 [ 8487.743557][ T7704] netlink_unicast+0x449/0x710 [ 8487.743557][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8487.743557][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8487.743557][ T7704] ___sys_sendmsg+0xee/0x170 [ 8487.743557][ T7704] __sys_sendmsg+0xcd/0x170 [ 8487.743557][ T7704] do_syscall_64+0xc6/0x1e0 [ 8487.743557][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8487.743557][ T7704] [ 8487.745803][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8487.745803][ T7704] netdev_get_by_index+0x5e/0x80 [ 8487.745803][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8487.745803][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8487.745803][ T7704] ip6_route_add+0x1c/0x140 [ 8487.745803][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8487.745803][ T7704] addrconf_add_dev+0xe2/0x170 [ 8487.745803][ T7704] inet6_addr_add+0x12f/0xa40 [ 8487.745803][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8487.745803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8487.745803][ T7704] netlink_rcv_skb+0x130/0x360 [ 8487.745803][ T7704] netlink_unicast+0x449/0x710 [ 8487.745803][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8487.745803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8487.745803][ T7704] ___sys_sendmsg+0xee/0x170 [ 8487.745803][ T7704] __sys_sendmsg+0xcd/0x170 [ 8487.745803][ T7704] do_syscall_64+0xc6/0x1e0 [ 8487.745803][ T7704] [ 8487.748011][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8487.748011][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8487.748011][ T7704] ipv6_find_idev+0x102/0x170 [ 8487.748011][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8487.748011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8487.748011][ T7704] netlink_rcv_skb+0x130/0x360 [ 8487.748011][ T7704] netlink_unicast+0x449/0x710 [ 8487.748011][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8487.748011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8487.748011][ T7704] ___sys_sendmsg+0xee/0x170 [ 8487.748011][ T7704] __sys_sendmsg+0xcd/0x170 [ 8487.748011][ T7704] do_syscall_64+0xc6/0x1e0 [ 8487.748011][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8487.748011][ T7704] [ 8487.749737][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8487.749737][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8487.749737][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8487.749737][ T7704] ipv6_find_idev+0x102/0x170 [ 8487.749737][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8487.749737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8487.749737][ T7704] netlink_rcv_skb+0x130/0x360 [ 8487.749737][ T7704] netlink_unicast+0x449/0x710 [ 8487.749737][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8487.749737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8487.749737][ T7704] ___sys_sendmsg+0xee/0x170 [ 8487.749737][ T7704] __sys_sendmsg+0xcd/0x170 [ 8487.749737][ T7704] do_syscall_64+0xc6/0x1e0 [ 8487.749737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8487.749737][ T7704] [ 8497.988767][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8497.989197][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8497.989197][ T7704] netdev_get_by_index+0x5e/0x80 [ 8497.989197][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8497.989197][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8497.989197][ T7704] ip6_route_add+0x1c/0x140 [ 8497.989197][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8497.989197][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8497.989197][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8497.989197][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8497.989197][ T7704] netlink_rcv_skb+0x130/0x360 [ 8497.989197][ T7704] netlink_unicast+0x449/0x710 [ 8497.989197][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8497.989197][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8497.989197][ T7704] ___sys_sendmsg+0xee/0x170 [ 8497.989197][ T7704] __sys_sendmsg+0xcd/0x170 [ 8497.989197][ T7704] do_syscall_64+0xc6/0x1e0 [ 8497.989197][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8497.989197][ T7704] [ 8497.991480][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8497.991480][ T7704] netdev_get_by_index+0x5e/0x80 [ 8497.991480][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8497.991480][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8497.991480][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8497.991480][ T7704] ipv6_add_addr+0x411/0x2000 [ 8497.991480][ T7704] inet6_addr_add+0x30e/0xa40 [ 8497.991480][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8497.991480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8497.991480][ T7704] netlink_rcv_skb+0x130/0x360 [ 8497.991480][ T7704] netlink_unicast+0x449/0x710 [ 8497.991480][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8497.991480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8497.991480][ T7704] ___sys_sendmsg+0xee/0x170 [ 8497.991480][ T7704] __sys_sendmsg+0xcd/0x170 [ 8497.991480][ T7704] do_syscall_64+0xc6/0x1e0 [ 8497.991480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8497.991480][ T7704] [ 8497.993711][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8497.993711][ T7704] netdev_get_by_index+0x5e/0x80 [ 8497.993711][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8497.993711][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8497.993711][ T7704] ip6_route_add+0x1c/0x140 [ 8497.993711][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8497.993711][ T7704] addrconf_add_dev+0xe2/0x170 [ 8497.993711][ T7704] inet6_addr_add+0x12f/0xa40 [ 8497.993711][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8497.993711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8497.993711][ T7704] netlink_rcv_skb+0x130/0x360 [ 8497.993711][ T7704] netlink_unicast+0x449/0x710 [ 8497.993711][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8497.993711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8497.993711][ T7704] ___sys_sendmsg+0xee/0x170 [ 8497.993711][ T7704] __sys_sendmsg+0xcd/0x170 [ 8497.993711][ T7704] do_syscall_64+0xc6/0x1e0 [ 8497.993711][ T7704] [ 8497.995902][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8497.995902][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8497.995902][ T7704] ipv6_find_idev+0x102/0x170 [ 8497.995902][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8497.995902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8497.995902][ T7704] netlink_rcv_skb+0x130/0x360 [ 8497.995902][ T7704] netlink_unicast+0x449/0x710 [ 8497.995902][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8497.995902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8497.995902][ T7704] ___sys_sendmsg+0xee/0x170 [ 8497.995902][ T7704] __sys_sendmsg+0xcd/0x170 [ 8497.995902][ T7704] do_syscall_64+0xc6/0x1e0 [ 8497.995902][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8497.995902][ T7704] [ 8497.997619][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8497.997619][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8497.997619][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8497.997619][ T7704] ipv6_find_idev+0x102/0x170 [ 8497.997619][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8497.997619][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8497.997619][ T7704] netlink_rcv_skb+0x130/0x360 [ 8497.997619][ T7704] netlink_unicast+0x449/0x710 [ 8497.997619][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8497.997619][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8497.997619][ T7704] ___sys_sendmsg+0xee/0x170 [ 8497.997619][ T7704] __sys_sendmsg+0xcd/0x170 [ 8497.997619][ T7704] do_syscall_64+0xc6/0x1e0 [ 8497.997619][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8497.997619][ T7704] [ 8508.236833][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8508.237263][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8508.237263][ T7704] netdev_get_by_index+0x5e/0x80 [ 8508.237263][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8508.237263][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8508.237263][ T7704] ip6_route_add+0x1c/0x140 [ 8508.237263][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8508.237263][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8508.237263][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8508.237263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8508.237263][ T7704] netlink_rcv_skb+0x130/0x360 [ 8508.237263][ T7704] netlink_unicast+0x449/0x710 [ 8508.237263][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8508.237263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8508.237263][ T7704] ___sys_sendmsg+0xee/0x170 [ 8508.237263][ T7704] __sys_sendmsg+0xcd/0x170 [ 8508.237263][ T7704] do_syscall_64+0xc6/0x1e0 [ 8508.237263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8508.237263][ T7704] [ 8508.239550][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8508.239550][ T7704] netdev_get_by_index+0x5e/0x80 [ 8508.239550][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8508.239550][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8508.239550][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8508.239550][ T7704] ipv6_add_addr+0x411/0x2000 [ 8508.239550][ T7704] inet6_addr_add+0x30e/0xa40 [ 8508.239550][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8508.239550][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8508.239550][ T7704] netlink_rcv_skb+0x130/0x360 [ 8508.239550][ T7704] netlink_unicast+0x449/0x710 [ 8508.239550][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8508.239550][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8508.239550][ T7704] ___sys_sendmsg+0xee/0x170 [ 8508.239550][ T7704] __sys_sendmsg+0xcd/0x170 [ 8508.239550][ T7704] do_syscall_64+0xc6/0x1e0 [ 8508.239550][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8508.239550][ T7704] [ 8508.241867][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8508.241867][ T7704] netdev_get_by_index+0x5e/0x80 [ 8508.241867][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8508.241867][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8508.241867][ T7704] ip6_route_add+0x1c/0x140 [ 8508.241867][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8508.241867][ T7704] addrconf_add_dev+0xe2/0x170 [ 8508.241867][ T7704] inet6_addr_add+0x12f/0xa40 [ 8508.241867][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8508.241867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8508.241867][ T7704] netlink_rcv_skb+0x130/0x360 [ 8508.241867][ T7704] netlink_unicast+0x449/0x710 [ 8508.241867][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8508.241867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8508.241867][ T7704] ___sys_sendmsg+0xee/0x170 [ 8508.241867][ T7704] __sys_sendmsg+0xcd/0x170 [ 8508.241867][ T7704] do_syscall_64+0xc6/0x1e0 [ 8508.241867][ T7704] [ 8508.244062][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8508.244062][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8508.244062][ T7704] ipv6_find_idev+0x102/0x170 [ 8508.244062][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8508.244062][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8508.244062][ T7704] netlink_rcv_skb+0x130/0x360 [ 8508.244062][ T7704] netlink_unicast+0x449/0x710 [ 8508.244062][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8508.244062][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8508.244062][ T7704] ___sys_sendmsg+0xee/0x170 [ 8508.244062][ T7704] __sys_sendmsg+0xcd/0x170 [ 8508.244062][ T7704] do_syscall_64+0xc6/0x1e0 [ 8508.244062][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8508.244062][ T7704] [ 8508.245793][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8508.245793][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8508.245793][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8508.245793][ T7704] ipv6_find_idev+0x102/0x170 [ 8508.245793][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8508.245793][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8508.245793][ T7704] netlink_rcv_skb+0x130/0x360 [ 8508.245793][ T7704] netlink_unicast+0x449/0x710 [ 8508.245793][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8508.245793][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8508.245793][ T7704] ___sys_sendmsg+0xee/0x170 [ 8508.245793][ T7704] __sys_sendmsg+0xcd/0x170 [ 8508.245793][ T7704] do_syscall_64+0xc6/0x1e0 [ 8508.245793][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8508.245793][ T7704] [ 8518.484763][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8518.485192][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8518.485192][ T7704] netdev_get_by_index+0x5e/0x80 [ 8518.485192][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8518.485192][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8518.485192][ T7704] ip6_route_add+0x1c/0x140 [ 8518.485192][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8518.485192][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8518.485192][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8518.485192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8518.485192][ T7704] netlink_rcv_skb+0x130/0x360 [ 8518.485192][ T7704] netlink_unicast+0x449/0x710 [ 8518.485192][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8518.485192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8518.485192][ T7704] ___sys_sendmsg+0xee/0x170 [ 8518.485192][ T7704] __sys_sendmsg+0xcd/0x170 [ 8518.485192][ T7704] do_syscall_64+0xc6/0x1e0 [ 8518.485192][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8518.485192][ T7704] [ 8518.487544][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8518.487544][ T7704] netdev_get_by_index+0x5e/0x80 [ 8518.487544][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8518.487544][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8518.487544][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8518.487544][ T7704] ipv6_add_addr+0x411/0x2000 [ 8518.487544][ T7704] inet6_addr_add+0x30e/0xa40 [ 8518.487544][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8518.487544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8518.487544][ T7704] netlink_rcv_skb+0x130/0x360 [ 8518.487544][ T7704] netlink_unicast+0x449/0x710 [ 8518.487544][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8518.487544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8518.487544][ T7704] ___sys_sendmsg+0xee/0x170 [ 8518.487544][ T7704] __sys_sendmsg+0xcd/0x170 [ 8518.487544][ T7704] do_syscall_64+0xc6/0x1e0 [ 8518.487544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8518.487544][ T7704] [ 8518.489777][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8518.489777][ T7704] netdev_get_by_index+0x5e/0x80 [ 8518.489777][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8518.489777][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8518.489777][ T7704] ip6_route_add+0x1c/0x140 [ 8518.489777][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8518.489777][ T7704] addrconf_add_dev+0xe2/0x170 [ 8518.489777][ T7704] inet6_addr_add+0x12f/0xa40 [ 8518.489777][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8518.489777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8518.489777][ T7704] netlink_rcv_skb+0x130/0x360 [ 8518.489777][ T7704] netlink_unicast+0x449/0x710 [ 8518.489777][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8518.489777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8518.489777][ T7704] ___sys_sendmsg+0xee/0x170 [ 8518.489777][ T7704] __sys_sendmsg+0xcd/0x170 [ 8518.489777][ T7704] do_syscall_64+0xc6/0x1e0 [ 8518.489777][ T7704] [ 8518.491988][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8518.491988][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8518.491988][ T7704] ipv6_find_idev+0x102/0x170 [ 8518.491988][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8518.491988][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8518.491988][ T7704] netlink_rcv_skb+0x130/0x360 [ 8518.491988][ T7704] netlink_unicast+0x449/0x710 [ 8518.491988][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8518.491988][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8518.491988][ T7704] ___sys_sendmsg+0xee/0x170 [ 8518.491988][ T7704] __sys_sendmsg+0xcd/0x170 [ 8518.491988][ T7704] do_syscall_64+0xc6/0x1e0 [ 8518.491988][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8518.491988][ T7704] [ 8518.493827][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8518.493827][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8518.493827][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8518.493827][ T7704] ipv6_find_idev+0x102/0x170 [ 8518.493827][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8518.493827][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8518.493827][ T7704] netlink_rcv_skb+0x130/0x360 [ 8518.493827][ T7704] netlink_unicast+0x449/0x710 [ 8518.493827][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8518.493827][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8518.493827][ T7704] ___sys_sendmsg+0xee/0x170 [ 8518.493827][ T7704] __sys_sendmsg+0xcd/0x170 [ 8518.493827][ T7704] do_syscall_64+0xc6/0x1e0 [ 8518.493827][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8518.493827][ T7704] [ 8528.732834][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8528.733332][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8528.733332][ T7704] netdev_get_by_index+0x5e/0x80 [ 8528.733332][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8528.733332][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8528.733332][ T7704] ip6_route_add+0x1c/0x140 [ 8528.733332][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8528.733332][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8528.733332][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8528.733332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8528.733332][ T7704] netlink_rcv_skb+0x130/0x360 [ 8528.733332][ T7704] netlink_unicast+0x449/0x710 [ 8528.733332][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8528.733332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8528.733332][ T7704] ___sys_sendmsg+0xee/0x170 [ 8528.733332][ T7704] __sys_sendmsg+0xcd/0x170 [ 8528.733332][ T7704] do_syscall_64+0xc6/0x1e0 [ 8528.733332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8528.733332][ T7704] [ 8528.735585][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8528.735585][ T7704] netdev_get_by_index+0x5e/0x80 [ 8528.735585][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8528.735585][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8528.735585][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8528.735585][ T7704] ipv6_add_addr+0x411/0x2000 [ 8528.735585][ T7704] inet6_addr_add+0x30e/0xa40 [ 8528.735585][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8528.735585][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8528.735585][ T7704] netlink_rcv_skb+0x130/0x360 [ 8528.735585][ T7704] netlink_unicast+0x449/0x710 [ 8528.735585][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8528.735585][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8528.735585][ T7704] ___sys_sendmsg+0xee/0x170 [ 8528.735585][ T7704] __sys_sendmsg+0xcd/0x170 [ 8528.735585][ T7704] do_syscall_64+0xc6/0x1e0 [ 8528.735585][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8528.735585][ T7704] [ 8528.737834][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8528.737834][ T7704] netdev_get_by_index+0x5e/0x80 [ 8528.737834][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8528.737834][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8528.737834][ T7704] ip6_route_add+0x1c/0x140 [ 8528.737834][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8528.737834][ T7704] addrconf_add_dev+0xe2/0x170 [ 8528.737834][ T7704] inet6_addr_add+0x12f/0xa40 [ 8528.737834][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8528.737834][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8528.737834][ T7704] netlink_rcv_skb+0x130/0x360 [ 8528.737834][ T7704] netlink_unicast+0x449/0x710 [ 8528.737834][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8528.737834][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8528.737834][ T7704] ___sys_sendmsg+0xee/0x170 [ 8528.737834][ T7704] __sys_sendmsg+0xcd/0x170 [ 8528.737834][ T7704] do_syscall_64+0xc6/0x1e0 [ 8528.737834][ T7704] [ 8528.740023][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8528.740023][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8528.740023][ T7704] ipv6_find_idev+0x102/0x170 [ 8528.740023][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8528.740023][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8528.740023][ T7704] netlink_rcv_skb+0x130/0x360 [ 8528.740023][ T7704] netlink_unicast+0x449/0x710 [ 8528.740023][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8528.740023][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8528.740023][ T7704] ___sys_sendmsg+0xee/0x170 [ 8528.740023][ T7704] __sys_sendmsg+0xcd/0x170 [ 8528.740023][ T7704] do_syscall_64+0xc6/0x1e0 [ 8528.740023][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8528.740023][ T7704] [ 8528.741757][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8528.741757][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8528.741757][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8528.741757][ T7704] ipv6_find_idev+0x102/0x170 [ 8528.741757][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8528.741757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8528.741757][ T7704] netlink_rcv_skb+0x130/0x360 [ 8528.741757][ T7704] netlink_unicast+0x449/0x710 [ 8528.741757][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8528.741757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8528.741757][ T7704] ___sys_sendmsg+0xee/0x170 [ 8528.741757][ T7704] __sys_sendmsg+0xcd/0x170 [ 8528.741757][ T7704] do_syscall_64+0xc6/0x1e0 [ 8528.741757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8528.741757][ T7704] [ 8538.980741][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8538.981220][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8538.981220][ T7704] netdev_get_by_index+0x5e/0x80 [ 8538.981220][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8538.981220][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8538.981220][ T7704] ip6_route_add+0x1c/0x140 [ 8538.981220][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8538.981220][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8538.981220][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8538.981220][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8538.981220][ T7704] netlink_rcv_skb+0x130/0x360 [ 8538.981220][ T7704] netlink_unicast+0x449/0x710 [ 8538.981220][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8538.981220][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8538.981220][ T7704] ___sys_sendmsg+0xee/0x170 [ 8538.981220][ T7704] __sys_sendmsg+0xcd/0x170 [ 8538.981220][ T7704] do_syscall_64+0xc6/0x1e0 [ 8538.981220][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8538.981220][ T7704] [ 8538.984688][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8538.984688][ T7704] netdev_get_by_index+0x5e/0x80 [ 8538.984688][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8538.984688][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8538.984688][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8538.984688][ T7704] ipv6_add_addr+0x411/0x2000 [ 8538.984688][ T7704] inet6_addr_add+0x30e/0xa40 [ 8538.984688][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8538.984688][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8538.984688][ T7704] netlink_rcv_skb+0x130/0x360 [ 8538.984688][ T7704] netlink_unicast+0x449/0x710 [ 8538.984688][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8538.984688][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8538.984688][ T7704] ___sys_sendmsg+0xee/0x170 [ 8538.984688][ T7704] __sys_sendmsg+0xcd/0x170 [ 8538.984688][ T7704] do_syscall_64+0xc6/0x1e0 [ 8538.984688][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8538.984688][ T7704] [ 8538.987137][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8538.987137][ T7704] netdev_get_by_index+0x5e/0x80 [ 8538.987137][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8538.987137][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8538.987137][ T7704] ip6_route_add+0x1c/0x140 [ 8538.987137][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8538.987137][ T7704] addrconf_add_dev+0xe2/0x170 [ 8538.987137][ T7704] inet6_addr_add+0x12f/0xa40 [ 8538.987137][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8538.987137][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8538.987137][ T7704] netlink_rcv_skb+0x130/0x360 [ 8538.987137][ T7704] netlink_unicast+0x449/0x710 [ 8538.987137][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8538.987137][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8538.987137][ T7704] ___sys_sendmsg+0xee/0x170 [ 8538.987137][ T7704] __sys_sendmsg+0xcd/0x170 [ 8538.987137][ T7704] do_syscall_64+0xc6/0x1e0 [ 8538.987137][ T7704] [ 8538.989363][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8538.989363][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8538.989363][ T7704] ipv6_find_idev+0x102/0x170 [ 8538.989363][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8538.989363][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8538.989363][ T7704] netlink_rcv_skb+0x130/0x360 [ 8538.989363][ T7704] netlink_unicast+0x449/0x710 [ 8538.989363][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8538.989363][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8538.989363][ T7704] ___sys_sendmsg+0xee/0x170 [ 8538.989363][ T7704] __sys_sendmsg+0xcd/0x170 [ 8538.989363][ T7704] do_syscall_64+0xc6/0x1e0 [ 8538.989363][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8538.989363][ T7704] [ 8538.991126][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8538.991126][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8538.991126][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8538.991126][ T7704] ipv6_find_idev+0x102/0x170 [ 8538.991126][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8538.991126][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8538.991126][ T7704] netlink_rcv_skb+0x130/0x360 [ 8538.991126][ T7704] netlink_unicast+0x449/0x710 [ 8538.991126][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8538.991126][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8538.991126][ T7704] ___sys_sendmsg+0xee/0x170 [ 8538.991126][ T7704] __sys_sendmsg+0xcd/0x170 [ 8538.991126][ T7704] do_syscall_64+0xc6/0x1e0 [ 8538.991126][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8538.991126][ T7704] [ 8549.228786][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8549.229211][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8549.229211][ T7704] netdev_get_by_index+0x5e/0x80 [ 8549.229211][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8549.229211][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8549.229211][ T7704] ip6_route_add+0x1c/0x140 [ 8549.229211][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8549.229211][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8549.229211][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8549.229211][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8549.229211][ T7704] netlink_rcv_skb+0x130/0x360 [ 8549.229211][ T7704] netlink_unicast+0x449/0x710 [ 8549.229211][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8549.229211][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8549.229211][ T7704] ___sys_sendmsg+0xee/0x170 [ 8549.229211][ T7704] __sys_sendmsg+0xcd/0x170 [ 8549.229211][ T7704] do_syscall_64+0xc6/0x1e0 [ 8549.229211][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8549.229211][ T7704] [ 8549.231528][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8549.231528][ T7704] netdev_get_by_index+0x5e/0x80 [ 8549.231528][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8549.231528][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8549.231528][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8549.231528][ T7704] ipv6_add_addr+0x411/0x2000 [ 8549.231528][ T7704] inet6_addr_add+0x30e/0xa40 [ 8549.231528][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8549.231528][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8549.231528][ T7704] netlink_rcv_skb+0x130/0x360 [ 8549.231528][ T7704] netlink_unicast+0x449/0x710 [ 8549.231528][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8549.231528][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8549.231528][ T7704] ___sys_sendmsg+0xee/0x170 [ 8549.231528][ T7704] __sys_sendmsg+0xcd/0x170 [ 8549.231528][ T7704] do_syscall_64+0xc6/0x1e0 [ 8549.231528][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8549.231528][ T7704] [ 8549.233777][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8549.233777][ T7704] netdev_get_by_index+0x5e/0x80 [ 8549.233777][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8549.233777][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8549.233777][ T7704] ip6_route_add+0x1c/0x140 [ 8549.233777][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8549.233777][ T7704] addrconf_add_dev+0xe2/0x170 [ 8549.233777][ T7704] inet6_addr_add+0x12f/0xa40 [ 8549.233777][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8549.233777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8549.233777][ T7704] netlink_rcv_skb+0x130/0x360 [ 8549.233777][ T7704] netlink_unicast+0x449/0x710 [ 8549.233777][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8549.233777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8549.233777][ T7704] ___sys_sendmsg+0xee/0x170 [ 8549.233777][ T7704] __sys_sendmsg+0xcd/0x170 [ 8549.233777][ T7704] do_syscall_64+0xc6/0x1e0 [ 8549.233777][ T7704] [ 8549.235993][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8549.235993][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8549.235993][ T7704] ipv6_find_idev+0x102/0x170 [ 8549.235993][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8549.235993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8549.235993][ T7704] netlink_rcv_skb+0x130/0x360 [ 8549.235993][ T7704] netlink_unicast+0x449/0x710 [ 8549.235993][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8549.235993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8549.235993][ T7704] ___sys_sendmsg+0xee/0x170 [ 8549.235993][ T7704] __sys_sendmsg+0xcd/0x170 [ 8549.235993][ T7704] do_syscall_64+0xc6/0x1e0 [ 8549.235993][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8549.235993][ T7704] [ 8549.237728][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8549.237728][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8549.237728][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8549.237728][ T7704] ipv6_find_idev+0x102/0x170 [ 8549.237728][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8549.237728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8549.237728][ T7704] netlink_rcv_skb+0x130/0x360 [ 8549.237728][ T7704] netlink_unicast+0x449/0x710 [ 8549.237728][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8549.237728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8549.237728][ T7704] ___sys_sendmsg+0xee/0x170 [ 8549.237728][ T7704] __sys_sendmsg+0xcd/0x170 [ 8549.237728][ T7704] do_syscall_64+0xc6/0x1e0 [ 8549.237728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8549.237728][ T7704] [ 8559.476831][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8559.477330][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8559.477330][ T7704] netdev_get_by_index+0x5e/0x80 [ 8559.477330][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8559.477330][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8559.477330][ T7704] ip6_route_add+0x1c/0x140 [ 8559.477330][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8559.477330][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8559.477330][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8559.477330][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8559.477330][ T7704] netlink_rcv_skb+0x130/0x360 [ 8559.477330][ T7704] netlink_unicast+0x449/0x710 [ 8559.477330][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8559.477330][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8559.477330][ T7704] ___sys_sendmsg+0xee/0x170 [ 8559.477330][ T7704] __sys_sendmsg+0xcd/0x170 [ 8559.477330][ T7704] do_syscall_64+0xc6/0x1e0 [ 8559.477330][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8559.477330][ T7704] [ 8559.479590][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8559.479590][ T7704] netdev_get_by_index+0x5e/0x80 [ 8559.479590][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8559.479590][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8559.479590][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8559.479590][ T7704] ipv6_add_addr+0x411/0x2000 [ 8559.479590][ T7704] inet6_addr_add+0x30e/0xa40 [ 8559.479590][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8559.479590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8559.479590][ T7704] netlink_rcv_skb+0x130/0x360 [ 8559.479590][ T7704] netlink_unicast+0x449/0x710 [ 8559.479590][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8559.479590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8559.479590][ T7704] ___sys_sendmsg+0xee/0x170 [ 8559.479590][ T7704] __sys_sendmsg+0xcd/0x170 [ 8559.479590][ T7704] do_syscall_64+0xc6/0x1e0 [ 8559.479590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8559.479590][ T7704] [ 8559.481850][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8559.481850][ T7704] netdev_get_by_index+0x5e/0x80 [ 8559.481850][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8559.481850][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8559.481850][ T7704] ip6_route_add+0x1c/0x140 [ 8559.481850][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8559.481850][ T7704] addrconf_add_dev+0xe2/0x170 [ 8559.481850][ T7704] inet6_addr_add+0x12f/0xa40 [ 8559.481850][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8559.481850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8559.481850][ T7704] netlink_rcv_skb+0x130/0x360 [ 8559.481850][ T7704] netlink_unicast+0x449/0x710 [ 8559.481850][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8559.481850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8559.481850][ T7704] ___sys_sendmsg+0xee/0x170 [ 8559.481850][ T7704] __sys_sendmsg+0xcd/0x170 [ 8559.481850][ T7704] do_syscall_64+0xc6/0x1e0 [ 8559.481850][ T7704] [ 8559.484048][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8559.484048][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8559.484048][ T7704] ipv6_find_idev+0x102/0x170 [ 8559.484048][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8559.484048][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8559.484048][ T7704] netlink_rcv_skb+0x130/0x360 [ 8559.484048][ T7704] netlink_unicast+0x449/0x710 [ 8559.484048][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8559.484048][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8559.484048][ T7704] ___sys_sendmsg+0xee/0x170 [ 8559.484048][ T7704] __sys_sendmsg+0xcd/0x170 [ 8559.484048][ T7704] do_syscall_64+0xc6/0x1e0 [ 8559.484048][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8559.484048][ T7704] [ 8559.485776][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8559.485776][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8559.485776][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8559.485776][ T7704] ipv6_find_idev+0x102/0x170 [ 8559.485776][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8559.485776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8559.485776][ T7704] netlink_rcv_skb+0x130/0x360 [ 8559.485776][ T7704] netlink_unicast+0x449/0x710 [ 8559.485776][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8559.485776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8559.485776][ T7704] ___sys_sendmsg+0xee/0x170 [ 8559.485776][ T7704] __sys_sendmsg+0xcd/0x170 [ 8559.485776][ T7704] do_syscall_64+0xc6/0x1e0 [ 8559.485776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8559.485776][ T7704] [ 8569.740860][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8569.741303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8569.741303][ T7704] netdev_get_by_index+0x5e/0x80 [ 8569.741303][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8569.741303][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8569.741303][ T7704] ip6_route_add+0x1c/0x140 [ 8569.741303][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8569.741303][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8569.741303][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8569.741303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8569.741303][ T7704] netlink_rcv_skb+0x130/0x360 [ 8569.741303][ T7704] netlink_unicast+0x449/0x710 [ 8569.741303][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8569.741303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8569.741303][ T7704] ___sys_sendmsg+0xee/0x170 [ 8569.741303][ T7704] __sys_sendmsg+0xcd/0x170 [ 8569.741303][ T7704] do_syscall_64+0xc6/0x1e0 [ 8569.741303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8569.741303][ T7704] [ 8569.743520][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8569.743520][ T7704] netdev_get_by_index+0x5e/0x80 [ 8569.743520][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8569.743520][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8569.743520][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8569.743520][ T7704] ipv6_add_addr+0x411/0x2000 [ 8569.743520][ T7704] inet6_addr_add+0x30e/0xa40 [ 8569.743520][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8569.743520][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8569.743520][ T7704] netlink_rcv_skb+0x130/0x360 [ 8569.743520][ T7704] netlink_unicast+0x449/0x710 [ 8569.743520][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8569.743520][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8569.743520][ T7704] ___sys_sendmsg+0xee/0x170 [ 8569.743520][ T7704] __sys_sendmsg+0xcd/0x170 [ 8569.743520][ T7704] do_syscall_64+0xc6/0x1e0 [ 8569.743520][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8569.743520][ T7704] [ 8569.745727][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8569.745727][ T7704] netdev_get_by_index+0x5e/0x80 [ 8569.745727][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8569.745727][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8569.745727][ T7704] ip6_route_add+0x1c/0x140 [ 8569.745727][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8569.745727][ T7704] addrconf_add_dev+0xe2/0x170 [ 8569.745727][ T7704] inet6_addr_add+0x12f/0xa40 [ 8569.745727][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8569.745727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8569.745727][ T7704] netlink_rcv_skb+0x130/0x360 [ 8569.745727][ T7704] netlink_unicast+0x449/0x710 [ 8569.745727][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8569.745727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8569.745727][ T7704] ___sys_sendmsg+0xee/0x170 [ 8569.745727][ T7704] __sys_sendmsg+0xcd/0x170 [ 8569.745727][ T7704] do_syscall_64+0xc6/0x1e0 [ 8569.745727][ T7704] [ 8569.747916][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8569.747916][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8569.747916][ T7704] ipv6_find_idev+0x102/0x170 [ 8569.747916][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8569.747916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8569.747916][ T7704] netlink_rcv_skb+0x130/0x360 [ 8569.747916][ T7704] netlink_unicast+0x449/0x710 [ 8569.747916][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8569.747916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8569.747916][ T7704] ___sys_sendmsg+0xee/0x170 [ 8569.747916][ T7704] __sys_sendmsg+0xcd/0x170 [ 8569.747916][ T7704] do_syscall_64+0xc6/0x1e0 [ 8569.747916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8569.747916][ T7704] [ 8569.749624][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8569.749624][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8569.749624][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8569.749624][ T7704] ipv6_find_idev+0x102/0x170 [ 8569.749624][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8569.749624][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8569.749624][ T7704] netlink_rcv_skb+0x130/0x360 [ 8569.749624][ T7704] netlink_unicast+0x449/0x710 [ 8569.749624][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8569.749624][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8569.749624][ T7704] ___sys_sendmsg+0xee/0x170 [ 8569.749624][ T7704] __sys_sendmsg+0xcd/0x170 [ 8569.749624][ T7704] do_syscall_64+0xc6/0x1e0 [ 8569.749624][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8569.749624][ T7704] [ 8579.988781][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8579.989380][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8579.989380][ T7704] netdev_get_by_index+0x5e/0x80 [ 8579.989380][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8579.989380][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8579.989380][ T7704] ip6_route_add+0x1c/0x140 [ 8579.989380][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8579.989380][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8579.989380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8579.989380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8579.989380][ T7704] netlink_rcv_skb+0x130/0x360 [ 8579.989380][ T7704] netlink_unicast+0x449/0x710 [ 8579.989380][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8579.989380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8579.989380][ T7704] ___sys_sendmsg+0xee/0x170 [ 8579.989380][ T7704] __sys_sendmsg+0xcd/0x170 [ 8579.989380][ T7704] do_syscall_64+0xc6/0x1e0 [ 8579.989380][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8579.989380][ T7704] [ 8579.993074][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8579.993074][ T7704] netdev_get_by_index+0x5e/0x80 [ 8579.993074][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8579.993074][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8579.993074][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8579.993074][ T7704] ipv6_add_addr+0x411/0x2000 [ 8579.993074][ T7704] inet6_addr_add+0x30e/0xa40 [ 8579.993074][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8579.993074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8579.993074][ T7704] netlink_rcv_skb+0x130/0x360 [ 8579.993074][ T7704] netlink_unicast+0x449/0x710 [ 8579.993074][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8579.993074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8579.993074][ T7704] ___sys_sendmsg+0xee/0x170 [ 8579.993074][ T7704] __sys_sendmsg+0xcd/0x170 [ 8579.993074][ T7704] do_syscall_64+0xc6/0x1e0 [ 8579.993074][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8579.993074][ T7704] [ 8579.996704][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8579.996704][ T7704] netdev_get_by_index+0x5e/0x80 [ 8579.996704][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8579.996704][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8579.996704][ T7704] ip6_route_add+0x1c/0x140 [ 8579.996704][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8579.996704][ T7704] addrconf_add_dev+0xe2/0x170 [ 8579.996704][ T7704] inet6_addr_add+0x12f/0xa40 [ 8579.996704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8579.996704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8579.996704][ T7704] netlink_rcv_skb+0x130/0x360 [ 8579.996704][ T7704] netlink_unicast+0x449/0x710 [ 8579.996704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8579.996704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8579.996704][ T7704] ___sys_sendmsg+0xee/0x170 [ 8579.996704][ T7704] __sys_sendmsg+0xcd/0x170 [ 8579.996704][ T7704] do_syscall_64+0xc6/0x1e0 [ 8579.996704][ T7704] [ 8579.999057][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8579.999057][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8579.999057][ T7704] ipv6_find_idev+0x102/0x170 [ 8579.999057][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8579.999057][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8579.999057][ T7704] netlink_rcv_skb+0x130/0x360 [ 8579.999057][ T7704] netlink_unicast+0x449/0x710 [ 8579.999057][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8579.999057][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8579.999057][ T7704] ___sys_sendmsg+0xee/0x170 [ 8579.999057][ T7704] __sys_sendmsg+0xcd/0x170 [ 8579.999057][ T7704] do_syscall_64+0xc6/0x1e0 [ 8579.999057][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8579.999057][ T7704] [ 8580.000786][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8580.000786][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8580.000786][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8580.000786][ T7704] ipv6_find_idev+0x102/0x170 [ 8580.000786][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8580.000786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8580.000786][ T7704] netlink_rcv_skb+0x130/0x360 [ 8580.000786][ T7704] netlink_unicast+0x449/0x710 [ 8580.000786][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8580.000786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8580.000786][ T7704] ___sys_sendmsg+0xee/0x170 [ 8580.000786][ T7704] __sys_sendmsg+0xcd/0x170 [ 8580.000786][ T7704] do_syscall_64+0xc6/0x1e0 [ 8580.000786][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8580.000786][ T7704] [ 8590.084853][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8590.085260][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8590.085260][ T7704] netdev_get_by_index+0x5e/0x80 [ 8590.085260][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8590.085260][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8590.085260][ T7704] ip6_route_add+0x1c/0x140 [ 8590.085260][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8590.085260][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8590.085260][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8590.085260][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8590.085260][ T7704] netlink_rcv_skb+0x130/0x360 [ 8590.085260][ T7704] netlink_unicast+0x449/0x710 [ 8590.085260][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8590.085260][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8590.085260][ T7704] ___sys_sendmsg+0xee/0x170 [ 8590.085260][ T7704] __sys_sendmsg+0xcd/0x170 [ 8590.085260][ T7704] do_syscall_64+0xc6/0x1e0 [ 8590.085260][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8590.085260][ T7704] [ 8590.087505][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8590.087505][ T7704] netdev_get_by_index+0x5e/0x80 [ 8590.087505][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8590.087505][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8590.087505][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8590.087505][ T7704] ipv6_add_addr+0x411/0x2000 [ 8590.087505][ T7704] inet6_addr_add+0x30e/0xa40 [ 8590.087505][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8590.087505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8590.087505][ T7704] netlink_rcv_skb+0x130/0x360 [ 8590.087505][ T7704] netlink_unicast+0x449/0x710 [ 8590.087505][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8590.087505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8590.087505][ T7704] ___sys_sendmsg+0xee/0x170 [ 8590.087505][ T7704] __sys_sendmsg+0xcd/0x170 [ 8590.087505][ T7704] do_syscall_64+0xc6/0x1e0 [ 8590.087505][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8590.087505][ T7704] [ 8590.089731][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8590.089731][ T7704] netdev_get_by_index+0x5e/0x80 [ 8590.089731][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8590.089731][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8590.089731][ T7704] ip6_route_add+0x1c/0x140 [ 8590.089731][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8590.089731][ T7704] addrconf_add_dev+0xe2/0x170 [ 8590.089731][ T7704] inet6_addr_add+0x12f/0xa40 [ 8590.089731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8590.089731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8590.089731][ T7704] netlink_rcv_skb+0x130/0x360 [ 8590.089731][ T7704] netlink_unicast+0x449/0x710 [ 8590.089731][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8590.089731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8590.089731][ T7704] ___sys_sendmsg+0xee/0x170 [ 8590.089731][ T7704] __sys_sendmsg+0xcd/0x170 [ 8590.089731][ T7704] do_syscall_64+0xc6/0x1e0 [ 8590.089731][ T7704] [ 8590.091911][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8590.091911][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8590.091911][ T7704] ipv6_find_idev+0x102/0x170 [ 8590.091911][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8590.091911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8590.091911][ T7704] netlink_rcv_skb+0x130/0x360 [ 8590.091911][ T7704] netlink_unicast+0x449/0x710 [ 8590.091911][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8590.091911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8590.091911][ T7704] ___sys_sendmsg+0xee/0x170 [ 8590.091911][ T7704] __sys_sendmsg+0xcd/0x170 [ 8590.091911][ T7704] do_syscall_64+0xc6/0x1e0 [ 8590.091911][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8590.091911][ T7704] [ 8590.093611][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8590.093611][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8590.093611][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8590.093611][ T7704] ipv6_find_idev+0x102/0x170 [ 8590.093611][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8590.093611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8590.093611][ T7704] netlink_rcv_skb+0x130/0x360 [ 8590.093611][ T7704] netlink_unicast+0x449/0x710 [ 8590.093611][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8590.093611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8590.093611][ T7704] ___sys_sendmsg+0xee/0x170 [ 8590.093611][ T7704] __sys_sendmsg+0xcd/0x170 [ 8590.093611][ T7704] do_syscall_64+0xc6/0x1e0 [ 8590.093611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8590.093611][ T7704] [ 8600.340756][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8600.341253][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8600.341253][ T7704] netdev_get_by_index+0x5e/0x80 [ 8600.341253][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8600.341253][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8600.341253][ T7704] ip6_route_add+0x1c/0x140 [ 8600.341253][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8600.341253][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8600.341253][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8600.341253][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8600.341253][ T7704] netlink_rcv_skb+0x130/0x360 [ 8600.341253][ T7704] netlink_unicast+0x449/0x710 [ 8600.341253][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8600.341253][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8600.341253][ T7704] ___sys_sendmsg+0xee/0x170 [ 8600.341253][ T7704] __sys_sendmsg+0xcd/0x170 [ 8600.341253][ T7704] do_syscall_64+0xc6/0x1e0 [ 8600.341253][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8600.341253][ T7704] [ 8600.343508][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8600.343508][ T7704] netdev_get_by_index+0x5e/0x80 [ 8600.343508][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8600.343508][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8600.343508][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8600.343508][ T7704] ipv6_add_addr+0x411/0x2000 [ 8600.343508][ T7704] inet6_addr_add+0x30e/0xa40 [ 8600.343508][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8600.343508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8600.343508][ T7704] netlink_rcv_skb+0x130/0x360 [ 8600.343508][ T7704] netlink_unicast+0x449/0x710 [ 8600.343508][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8600.343508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8600.343508][ T7704] ___sys_sendmsg+0xee/0x170 [ 8600.343508][ T7704] __sys_sendmsg+0xcd/0x170 [ 8600.343508][ T7704] do_syscall_64+0xc6/0x1e0 [ 8600.343508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8600.343508][ T7704] [ 8600.345757][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8600.345757][ T7704] netdev_get_by_index+0x5e/0x80 [ 8600.345757][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8600.345757][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8600.345757][ T7704] ip6_route_add+0x1c/0x140 [ 8600.345757][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8600.345757][ T7704] addrconf_add_dev+0xe2/0x170 [ 8600.345757][ T7704] inet6_addr_add+0x12f/0xa40 [ 8600.345757][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8600.345757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8600.345757][ T7704] netlink_rcv_skb+0x130/0x360 [ 8600.345757][ T7704] netlink_unicast+0x449/0x710 [ 8600.345757][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8600.345757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8600.345757][ T7704] ___sys_sendmsg+0xee/0x170 [ 8600.345757][ T7704] __sys_sendmsg+0xcd/0x170 [ 8600.345757][ T7704] do_syscall_64+0xc6/0x1e0 [ 8600.345757][ T7704] [ 8600.347951][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8600.347951][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8600.347951][ T7704] ipv6_find_idev+0x102/0x170 [ 8600.347951][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8600.347951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8600.347951][ T7704] netlink_rcv_skb+0x130/0x360 [ 8600.347951][ T7704] netlink_unicast+0x449/0x710 [ 8600.347951][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8600.347951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8600.347951][ T7704] ___sys_sendmsg+0xee/0x170 [ 8600.347951][ T7704] __sys_sendmsg+0xcd/0x170 [ 8600.347951][ T7704] do_syscall_64+0xc6/0x1e0 [ 8600.347951][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8600.347951][ T7704] [ 8600.350209][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8600.350209][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8600.350209][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8600.350209][ T7704] ipv6_find_idev+0x102/0x170 [ 8600.350209][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8600.350209][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8600.350209][ T7704] netlink_rcv_skb+0x130/0x360 [ 8600.350209][ T7704] netlink_unicast+0x449/0x710 [ 8600.350209][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8600.350209][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8600.350209][ T7704] ___sys_sendmsg+0xee/0x170 [ 8600.350209][ T7704] __sys_sendmsg+0xcd/0x170 [ 8600.350209][ T7704] do_syscall_64+0xc6/0x1e0 [ 8600.350209][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8600.350209][ T7704] [ 8610.604814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8610.605282][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8610.605282][ T7704] netdev_get_by_index+0x5e/0x80 [ 8610.605282][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8610.605282][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8610.605282][ T7704] ip6_route_add+0x1c/0x140 [ 8610.605282][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8610.605282][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8610.605282][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8610.605282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8610.605282][ T7704] netlink_rcv_skb+0x130/0x360 [ 8610.605282][ T7704] netlink_unicast+0x449/0x710 [ 8610.605282][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8610.605282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8610.605282][ T7704] ___sys_sendmsg+0xee/0x170 [ 8610.605282][ T7704] __sys_sendmsg+0xcd/0x170 [ 8610.605282][ T7704] do_syscall_64+0xc6/0x1e0 [ 8610.605282][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8610.605282][ T7704] [ 8610.608428][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8610.608428][ T7704] netdev_get_by_index+0x5e/0x80 [ 8610.608428][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8610.608428][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8610.608428][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8610.608428][ T7704] ipv6_add_addr+0x411/0x2000 [ 8610.608428][ T7704] inet6_addr_add+0x30e/0xa40 [ 8610.608428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8610.608428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8610.608428][ T7704] netlink_rcv_skb+0x130/0x360 [ 8610.608428][ T7704] netlink_unicast+0x449/0x710 [ 8610.608428][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8610.608428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8610.608428][ T7704] ___sys_sendmsg+0xee/0x170 [ 8610.608428][ T7704] __sys_sendmsg+0xcd/0x170 [ 8610.608428][ T7704] do_syscall_64+0xc6/0x1e0 [ 8610.608428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8610.608428][ T7704] [ 8610.611880][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8610.611880][ T7704] netdev_get_by_index+0x5e/0x80 [ 8610.611880][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8610.611880][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8610.611880][ T7704] ip6_route_add+0x1c/0x140 [ 8610.611880][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8610.611880][ T7704] addrconf_add_dev+0xe2/0x170 [ 8610.611880][ T7704] inet6_addr_add+0x12f/0xa40 [ 8610.611880][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8610.611880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8610.611880][ T7704] netlink_rcv_skb+0x130/0x360 [ 8610.611880][ T7704] netlink_unicast+0x449/0x710 [ 8610.611880][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8610.611880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8610.611880][ T7704] ___sys_sendmsg+0xee/0x170 [ 8610.611880][ T7704] __sys_sendmsg+0xcd/0x170 [ 8610.611880][ T7704] do_syscall_64+0xc6/0x1e0 [ 8610.611880][ T7704] [ 8610.615239][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8610.615239][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8610.615239][ T7704] ipv6_find_idev+0x102/0x170 [ 8610.615239][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8610.615239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8610.615239][ T7704] netlink_rcv_skb+0x130/0x360 [ 8610.615239][ T7704] netlink_unicast+0x449/0x710 [ 8610.615239][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8610.615239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8610.615239][ T7704] ___sys_sendmsg+0xee/0x170 [ 8610.615239][ T7704] __sys_sendmsg+0xcd/0x170 [ 8610.615239][ T7704] do_syscall_64+0xc6/0x1e0 [ 8610.615239][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8610.615239][ T7704] [ 8610.617591][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8610.617591][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8610.617591][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8610.617591][ T7704] ipv6_find_idev+0x102/0x170 [ 8610.617591][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8610.617591][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8610.617591][ T7704] netlink_rcv_skb+0x130/0x360 [ 8610.617591][ T7704] netlink_unicast+0x449/0x710 [ 8610.617591][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8610.617591][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8610.617591][ T7704] ___sys_sendmsg+0xee/0x170 [ 8610.617591][ T7704] __sys_sendmsg+0xcd/0x170 [ 8610.617591][ T7704] do_syscall_64+0xc6/0x1e0 [ 8610.617591][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8610.617591][ T7704] [ 8620.780811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8620.781219][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8620.781219][ T7704] netdev_get_by_index+0x5e/0x80 [ 8620.781219][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8620.781219][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8620.781219][ T7704] ip6_route_add+0x1c/0x140 [ 8620.781219][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8620.781219][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8620.781219][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8620.781219][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8620.781219][ T7704] netlink_rcv_skb+0x130/0x360 [ 8620.781219][ T7704] netlink_unicast+0x449/0x710 [ 8620.781219][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8620.781219][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8620.781219][ T7704] ___sys_sendmsg+0xee/0x170 [ 8620.781219][ T7704] __sys_sendmsg+0xcd/0x170 [ 8620.781219][ T7704] do_syscall_64+0xc6/0x1e0 [ 8620.781219][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8620.781219][ T7704] [ 8620.783537][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8620.783537][ T7704] netdev_get_by_index+0x5e/0x80 [ 8620.783537][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8620.783537][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8620.783537][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8620.783537][ T7704] ipv6_add_addr+0x411/0x2000 [ 8620.783537][ T7704] inet6_addr_add+0x30e/0xa40 [ 8620.783537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8620.783537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8620.783537][ T7704] netlink_rcv_skb+0x130/0x360 [ 8620.783537][ T7704] netlink_unicast+0x449/0x710 [ 8620.783537][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8620.783537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8620.783537][ T7704] ___sys_sendmsg+0xee/0x170 [ 8620.783537][ T7704] __sys_sendmsg+0xcd/0x170 [ 8620.783537][ T7704] do_syscall_64+0xc6/0x1e0 [ 8620.783537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8620.783537][ T7704] [ 8620.785756][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8620.785756][ T7704] netdev_get_by_index+0x5e/0x80 [ 8620.785756][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8620.785756][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8620.785756][ T7704] ip6_route_add+0x1c/0x140 [ 8620.785756][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8620.785756][ T7704] addrconf_add_dev+0xe2/0x170 [ 8620.785756][ T7704] inet6_addr_add+0x12f/0xa40 [ 8620.785756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8620.785756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8620.785756][ T7704] netlink_rcv_skb+0x130/0x360 [ 8620.785756][ T7704] netlink_unicast+0x449/0x710 [ 8620.785756][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8620.785756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8620.785756][ T7704] ___sys_sendmsg+0xee/0x170 [ 8620.785756][ T7704] __sys_sendmsg+0xcd/0x170 [ 8620.785756][ T7704] do_syscall_64+0xc6/0x1e0 [ 8620.785756][ T7704] [ 8620.787931][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8620.787931][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8620.787931][ T7704] ipv6_find_idev+0x102/0x170 [ 8620.787931][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8620.787931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8620.787931][ T7704] netlink_rcv_skb+0x130/0x360 [ 8620.787931][ T7704] netlink_unicast+0x449/0x710 [ 8620.787931][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8620.787931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8620.787931][ T7704] ___sys_sendmsg+0xee/0x170 [ 8620.787931][ T7704] __sys_sendmsg+0xcd/0x170 [ 8620.787931][ T7704] do_syscall_64+0xc6/0x1e0 [ 8620.787931][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8620.787931][ T7704] [ 8620.789625][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8620.789625][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8620.789625][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8620.789625][ T7704] ipv6_find_idev+0x102/0x170 [ 8620.789625][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8620.789625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8620.789625][ T7704] netlink_rcv_skb+0x130/0x360 [ 8620.789625][ T7704] netlink_unicast+0x449/0x710 [ 8620.789625][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8620.789625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8620.789625][ T7704] ___sys_sendmsg+0xee/0x170 [ 8620.789625][ T7704] __sys_sendmsg+0xcd/0x170 [ 8620.789625][ T7704] do_syscall_64+0xc6/0x1e0 [ 8620.789625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8620.789625][ T7704] [ 8630.940815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8630.941232][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8630.941232][ T7704] netdev_get_by_index+0x5e/0x80 [ 8630.941232][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8630.941232][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8630.941232][ T7704] ip6_route_add+0x1c/0x140 [ 8630.941232][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8630.941232][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8630.941232][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8630.941232][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8630.941232][ T7704] netlink_rcv_skb+0x130/0x360 [ 8630.941232][ T7704] netlink_unicast+0x449/0x710 [ 8630.941232][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8630.941232][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8630.941232][ T7704] ___sys_sendmsg+0xee/0x170 [ 8630.941232][ T7704] __sys_sendmsg+0xcd/0x170 [ 8630.941232][ T7704] do_syscall_64+0xc6/0x1e0 [ 8630.941232][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8630.941232][ T7704] [ 8630.943462][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8630.943462][ T7704] netdev_get_by_index+0x5e/0x80 [ 8630.943462][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8630.943462][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8630.943462][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8630.943462][ T7704] ipv6_add_addr+0x411/0x2000 [ 8630.943462][ T7704] inet6_addr_add+0x30e/0xa40 [ 8630.943462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8630.943462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8630.943462][ T7704] netlink_rcv_skb+0x130/0x360 [ 8630.943462][ T7704] netlink_unicast+0x449/0x710 [ 8630.943462][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8630.943462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8630.943462][ T7704] ___sys_sendmsg+0xee/0x170 [ 8630.943462][ T7704] __sys_sendmsg+0xcd/0x170 [ 8630.943462][ T7704] do_syscall_64+0xc6/0x1e0 [ 8630.943462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8630.943462][ T7704] [ 8630.945665][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8630.945665][ T7704] netdev_get_by_index+0x5e/0x80 [ 8630.945665][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8630.945665][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8630.945665][ T7704] ip6_route_add+0x1c/0x140 [ 8630.945665][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8630.945665][ T7704] addrconf_add_dev+0xe2/0x170 [ 8630.945665][ T7704] inet6_addr_add+0x12f/0xa40 [ 8630.945665][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8630.945665][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8630.945665][ T7704] netlink_rcv_skb+0x130/0x360 [ 8630.945665][ T7704] netlink_unicast+0x449/0x710 [ 8630.945665][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8630.945665][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8630.945665][ T7704] ___sys_sendmsg+0xee/0x170 [ 8630.945665][ T7704] __sys_sendmsg+0xcd/0x170 [ 8630.945665][ T7704] do_syscall_64+0xc6/0x1e0 [ 8630.945665][ T7704] [ 8630.947831][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8630.947831][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8630.947831][ T7704] ipv6_find_idev+0x102/0x170 [ 8630.947831][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8630.947831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8630.947831][ T7704] netlink_rcv_skb+0x130/0x360 [ 8630.947831][ T7704] netlink_unicast+0x449/0x710 [ 8630.947831][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8630.947831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8630.947831][ T7704] ___sys_sendmsg+0xee/0x170 [ 8630.947831][ T7704] __sys_sendmsg+0xcd/0x170 [ 8630.947831][ T7704] do_syscall_64+0xc6/0x1e0 [ 8630.947831][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8630.947831][ T7704] [ 8630.949530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8630.949530][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8630.949530][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8630.949530][ T7704] ipv6_find_idev+0x102/0x170 [ 8630.949530][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8630.949530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8630.949530][ T7704] netlink_rcv_skb+0x130/0x360 [ 8630.949530][ T7704] netlink_unicast+0x449/0x710 [ 8630.949530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8630.949530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8630.949530][ T7704] ___sys_sendmsg+0xee/0x170 [ 8630.949530][ T7704] __sys_sendmsg+0xcd/0x170 [ 8630.949530][ T7704] do_syscall_64+0xc6/0x1e0 [ 8630.949530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8630.949530][ T7704] [ 8641.148800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8641.149217][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8641.149217][ T7704] netdev_get_by_index+0x5e/0x80 [ 8641.149217][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8641.149217][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8641.149217][ T7704] ip6_route_add+0x1c/0x140 [ 8641.149217][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8641.149217][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8641.149217][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8641.149217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8641.149217][ T7704] netlink_rcv_skb+0x130/0x360 [ 8641.149217][ T7704] netlink_unicast+0x449/0x710 [ 8641.149217][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8641.149217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8641.149217][ T7704] ___sys_sendmsg+0xee/0x170 [ 8641.149217][ T7704] __sys_sendmsg+0xcd/0x170 [ 8641.149217][ T7704] do_syscall_64+0xc6/0x1e0 [ 8641.149217][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8641.149217][ T7704] [ 8641.151456][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8641.151456][ T7704] netdev_get_by_index+0x5e/0x80 [ 8641.151456][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8641.151456][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8641.151456][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8641.151456][ T7704] ipv6_add_addr+0x411/0x2000 [ 8641.151456][ T7704] inet6_addr_add+0x30e/0xa40 [ 8641.151456][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8641.151456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8641.151456][ T7704] netlink_rcv_skb+0x130/0x360 [ 8641.151456][ T7704] netlink_unicast+0x449/0x710 [ 8641.151456][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8641.151456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8641.151456][ T7704] ___sys_sendmsg+0xee/0x170 [ 8641.151456][ T7704] __sys_sendmsg+0xcd/0x170 [ 8641.151456][ T7704] do_syscall_64+0xc6/0x1e0 [ 8641.151456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8641.151456][ T7704] [ 8641.153656][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8641.153656][ T7704] netdev_get_by_index+0x5e/0x80 [ 8641.153656][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8641.153656][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8641.153656][ T7704] ip6_route_add+0x1c/0x140 [ 8641.153656][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8641.153656][ T7704] addrconf_add_dev+0xe2/0x170 [ 8641.153656][ T7704] inet6_addr_add+0x12f/0xa40 [ 8641.153656][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8641.153656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8641.153656][ T7704] netlink_rcv_skb+0x130/0x360 [ 8641.153656][ T7704] netlink_unicast+0x449/0x710 [ 8641.153656][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8641.153656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8641.153656][ T7704] ___sys_sendmsg+0xee/0x170 [ 8641.153656][ T7704] __sys_sendmsg+0xcd/0x170 [ 8641.153656][ T7704] do_syscall_64+0xc6/0x1e0 [ 8641.153656][ T7704] [ 8641.155822][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8641.155822][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8641.155822][ T7704] ipv6_find_idev+0x102/0x170 [ 8641.155822][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8641.155822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8641.155822][ T7704] netlink_rcv_skb+0x130/0x360 [ 8641.155822][ T7704] netlink_unicast+0x449/0x710 [ 8641.155822][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8641.155822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8641.155822][ T7704] ___sys_sendmsg+0xee/0x170 [ 8641.155822][ T7704] __sys_sendmsg+0xcd/0x170 [ 8641.155822][ T7704] do_syscall_64+0xc6/0x1e0 [ 8641.155822][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8641.155822][ T7704] [ 8641.157516][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8641.157516][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8641.157516][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8641.157516][ T7704] ipv6_find_idev+0x102/0x170 [ 8641.157516][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8641.157516][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8641.157516][ T7704] netlink_rcv_skb+0x130/0x360 [ 8641.157516][ T7704] netlink_unicast+0x449/0x710 [ 8641.157516][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8641.157516][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8641.157516][ T7704] ___sys_sendmsg+0xee/0x170 [ 8641.157516][ T7704] __sys_sendmsg+0xcd/0x170 [ 8641.157516][ T7704] do_syscall_64+0xc6/0x1e0 [ 8641.157516][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8641.157516][ T7704] [ 8651.244741][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8651.245154][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8651.245154][ T7704] netdev_get_by_index+0x5e/0x80 [ 8651.245154][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8651.245154][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8651.245154][ T7704] ip6_route_add+0x1c/0x140 [ 8651.245154][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8651.245154][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8651.245154][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8651.245154][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8651.245154][ T7704] netlink_rcv_skb+0x130/0x360 [ 8651.245154][ T7704] netlink_unicast+0x449/0x710 [ 8651.245154][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8651.245154][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8651.245154][ T7704] ___sys_sendmsg+0xee/0x170 [ 8651.245154][ T7704] __sys_sendmsg+0xcd/0x170 [ 8651.245154][ T7704] do_syscall_64+0xc6/0x1e0 [ 8651.245154][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8651.245154][ T7704] [ 8651.247919][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8651.247919][ T7704] netdev_get_by_index+0x5e/0x80 [ 8651.247919][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8651.247919][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8651.247919][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8651.247919][ T7704] ipv6_add_addr+0x411/0x2000 [ 8651.247919][ T7704] inet6_addr_add+0x30e/0xa40 [ 8651.247919][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8651.247919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8651.247919][ T7704] netlink_rcv_skb+0x130/0x360 [ 8651.247919][ T7704] netlink_unicast+0x449/0x710 [ 8651.247919][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8651.247919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8651.247919][ T7704] ___sys_sendmsg+0xee/0x170 [ 8651.247919][ T7704] __sys_sendmsg+0xcd/0x170 [ 8651.247919][ T7704] do_syscall_64+0xc6/0x1e0 [ 8651.247919][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8651.247919][ T7704] [ 8651.250128][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8651.250128][ T7704] netdev_get_by_index+0x5e/0x80 [ 8651.250128][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8651.250128][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8651.250128][ T7704] ip6_route_add+0x1c/0x140 [ 8651.250128][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8651.250128][ T7704] addrconf_add_dev+0xe2/0x170 [ 8651.250128][ T7704] inet6_addr_add+0x12f/0xa40 [ 8651.250128][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8651.250128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8651.250128][ T7704] netlink_rcv_skb+0x130/0x360 [ 8651.250128][ T7704] netlink_unicast+0x449/0x710 [ 8651.250128][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8651.250128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8651.250128][ T7704] ___sys_sendmsg+0xee/0x170 [ 8651.250128][ T7704] __sys_sendmsg+0xcd/0x170 [ 8651.250128][ T7704] do_syscall_64+0xc6/0x1e0 [ 8651.250128][ T7704] [ 8651.252324][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8651.252324][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8651.252324][ T7704] ipv6_find_idev+0x102/0x170 [ 8651.252324][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8651.252324][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8651.252324][ T7704] netlink_rcv_skb+0x130/0x360 [ 8651.252324][ T7704] netlink_unicast+0x449/0x710 [ 8651.252324][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8651.252324][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8651.252324][ T7704] ___sys_sendmsg+0xee/0x170 [ 8651.252324][ T7704] __sys_sendmsg+0xcd/0x170 [ 8651.252324][ T7704] do_syscall_64+0xc6/0x1e0 [ 8651.252324][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8651.252324][ T7704] [ 8651.254093][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8651.254093][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8651.254093][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8651.254093][ T7704] ipv6_find_idev+0x102/0x170 [ 8651.254093][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8651.254093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8651.254093][ T7704] netlink_rcv_skb+0x130/0x360 [ 8651.254093][ T7704] netlink_unicast+0x449/0x710 [ 8651.254093][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8651.254093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8651.254093][ T7704] ___sys_sendmsg+0xee/0x170 [ 8651.254093][ T7704] __sys_sendmsg+0xcd/0x170 [ 8651.254093][ T7704] do_syscall_64+0xc6/0x1e0 [ 8651.254093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8651.254093][ T7704] [ 8661.492796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8661.493237][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8661.493237][ T7704] netdev_get_by_index+0x5e/0x80 [ 8661.493237][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8661.493237][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8661.493237][ T7704] ip6_route_add+0x1c/0x140 [ 8661.493237][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8661.493237][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8661.493237][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8661.493237][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8661.493237][ T7704] netlink_rcv_skb+0x130/0x360 [ 8661.493237][ T7704] netlink_unicast+0x449/0x710 [ 8661.493237][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8661.493237][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8661.493237][ T7704] ___sys_sendmsg+0xee/0x170 [ 8661.493237][ T7704] __sys_sendmsg+0xcd/0x170 [ 8661.493237][ T7704] do_syscall_64+0xc6/0x1e0 [ 8661.493237][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8661.493237][ T7704] [ 8661.495696][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8661.495696][ T7704] netdev_get_by_index+0x5e/0x80 [ 8661.495696][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8661.495696][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8661.495696][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8661.495696][ T7704] ipv6_add_addr+0x411/0x2000 [ 8661.495696][ T7704] inet6_addr_add+0x30e/0xa40 [ 8661.495696][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8661.495696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8661.495696][ T7704] netlink_rcv_skb+0x130/0x360 [ 8661.495696][ T7704] netlink_unicast+0x449/0x710 [ 8661.495696][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8661.495696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8661.495696][ T7704] ___sys_sendmsg+0xee/0x170 [ 8661.495696][ T7704] __sys_sendmsg+0xcd/0x170 [ 8661.495696][ T7704] do_syscall_64+0xc6/0x1e0 [ 8661.495696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8661.495696][ T7704] [ 8661.497945][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8661.497945][ T7704] netdev_get_by_index+0x5e/0x80 [ 8661.497945][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8661.497945][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8661.497945][ T7704] ip6_route_add+0x1c/0x140 [ 8661.497945][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8661.497945][ T7704] addrconf_add_dev+0xe2/0x170 [ 8661.497945][ T7704] inet6_addr_add+0x12f/0xa40 [ 8661.497945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8661.497945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8661.497945][ T7704] netlink_rcv_skb+0x130/0x360 [ 8661.497945][ T7704] netlink_unicast+0x449/0x710 [ 8661.497945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8661.497945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8661.497945][ T7704] ___sys_sendmsg+0xee/0x170 [ 8661.497945][ T7704] __sys_sendmsg+0xcd/0x170 [ 8661.497945][ T7704] do_syscall_64+0xc6/0x1e0 [ 8661.497945][ T7704] [ 8661.500122][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8661.500122][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8661.500122][ T7704] ipv6_find_idev+0x102/0x170 [ 8661.500122][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8661.500122][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8661.500122][ T7704] netlink_rcv_skb+0x130/0x360 [ 8661.500122][ T7704] netlink_unicast+0x449/0x710 [ 8661.500122][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8661.500122][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8661.500122][ T7704] ___sys_sendmsg+0xee/0x170 [ 8661.500122][ T7704] __sys_sendmsg+0xcd/0x170 [ 8661.500122][ T7704] do_syscall_64+0xc6/0x1e0 [ 8661.500122][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8661.500122][ T7704] [ 8661.501842][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8661.501842][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8661.501842][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8661.501842][ T7704] ipv6_find_idev+0x102/0x170 [ 8661.501842][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8661.501842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8661.501842][ T7704] netlink_rcv_skb+0x130/0x360 [ 8661.501842][ T7704] netlink_unicast+0x449/0x710 [ 8661.501842][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8661.501842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8661.501842][ T7704] ___sys_sendmsg+0xee/0x170 [ 8661.501842][ T7704] __sys_sendmsg+0xcd/0x170 [ 8661.501842][ T7704] do_syscall_64+0xc6/0x1e0 [ 8661.501842][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8661.501842][ T7704] [ 8671.740815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8671.741225][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8671.741225][ T7704] netdev_get_by_index+0x5e/0x80 [ 8671.741225][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8671.741225][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8671.741225][ T7704] ip6_route_add+0x1c/0x140 [ 8671.741225][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8671.741225][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8671.741225][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8671.741225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8671.741225][ T7704] netlink_rcv_skb+0x130/0x360 [ 8671.741225][ T7704] netlink_unicast+0x449/0x710 [ 8671.741225][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8671.741225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8671.741225][ T7704] ___sys_sendmsg+0xee/0x170 [ 8671.741225][ T7704] __sys_sendmsg+0xcd/0x170 [ 8671.741225][ T7704] do_syscall_64+0xc6/0x1e0 [ 8671.741225][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8671.741225][ T7704] [ 8671.743443][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8671.743443][ T7704] netdev_get_by_index+0x5e/0x80 [ 8671.743443][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8671.743443][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8671.743443][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8671.743443][ T7704] ipv6_add_addr+0x411/0x2000 [ 8671.743443][ T7704] inet6_addr_add+0x30e/0xa40 [ 8671.743443][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8671.743443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8671.743443][ T7704] netlink_rcv_skb+0x130/0x360 [ 8671.743443][ T7704] netlink_unicast+0x449/0x710 [ 8671.743443][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8671.743443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8671.743443][ T7704] ___sys_sendmsg+0xee/0x170 [ 8671.743443][ T7704] __sys_sendmsg+0xcd/0x170 [ 8671.743443][ T7704] do_syscall_64+0xc6/0x1e0 [ 8671.743443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8671.743443][ T7704] [ 8671.745663][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8671.745663][ T7704] netdev_get_by_index+0x5e/0x80 [ 8671.745663][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8671.745663][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8671.745663][ T7704] ip6_route_add+0x1c/0x140 [ 8671.745663][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8671.745663][ T7704] addrconf_add_dev+0xe2/0x170 [ 8671.745663][ T7704] inet6_addr_add+0x12f/0xa40 [ 8671.745663][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8671.745663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8671.745663][ T7704] netlink_rcv_skb+0x130/0x360 [ 8671.745663][ T7704] netlink_unicast+0x449/0x710 [ 8671.745663][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8671.745663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8671.745663][ T7704] ___sys_sendmsg+0xee/0x170 [ 8671.745663][ T7704] __sys_sendmsg+0xcd/0x170 [ 8671.745663][ T7704] do_syscall_64+0xc6/0x1e0 [ 8671.745663][ T7704] [ 8671.747832][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8671.747832][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8671.747832][ T7704] ipv6_find_idev+0x102/0x170 [ 8671.747832][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8671.747832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8671.747832][ T7704] netlink_rcv_skb+0x130/0x360 [ 8671.747832][ T7704] netlink_unicast+0x449/0x710 [ 8671.747832][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8671.747832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8671.747832][ T7704] ___sys_sendmsg+0xee/0x170 [ 8671.747832][ T7704] __sys_sendmsg+0xcd/0x170 [ 8671.747832][ T7704] do_syscall_64+0xc6/0x1e0 [ 8671.747832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8671.747832][ T7704] [ 8671.749538][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8671.749538][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8671.749538][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8671.749538][ T7704] ipv6_find_idev+0x102/0x170 [ 8671.749538][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8671.749538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8671.749538][ T7704] netlink_rcv_skb+0x130/0x360 [ 8671.749538][ T7704] netlink_unicast+0x449/0x710 [ 8671.749538][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8671.749538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8671.749538][ T7704] ___sys_sendmsg+0xee/0x170 [ 8671.749538][ T7704] __sys_sendmsg+0xcd/0x170 [ 8671.749538][ T7704] do_syscall_64+0xc6/0x1e0 [ 8671.749538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8671.749538][ T7704] [ 8681.988843][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8681.989384][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8681.989384][ T7704] netdev_get_by_index+0x5e/0x80 [ 8681.989384][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8681.989384][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8681.989384][ T7704] ip6_route_add+0x1c/0x140 [ 8681.989384][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8681.989384][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8681.989384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8681.989384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8681.989384][ T7704] netlink_rcv_skb+0x130/0x360 [ 8681.989384][ T7704] netlink_unicast+0x449/0x710 [ 8681.989384][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8681.989384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8681.989384][ T7704] ___sys_sendmsg+0xee/0x170 [ 8681.989384][ T7704] __sys_sendmsg+0xcd/0x170 [ 8681.989384][ T7704] do_syscall_64+0xc6/0x1e0 [ 8681.989384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8681.989384][ T7704] [ 8681.992992][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8681.992992][ T7704] netdev_get_by_index+0x5e/0x80 [ 8681.992992][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8681.992992][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8681.992992][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8681.992992][ T7704] ipv6_add_addr+0x411/0x2000 [ 8681.992992][ T7704] inet6_addr_add+0x30e/0xa40 [ 8681.992992][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8681.992992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8681.992992][ T7704] netlink_rcv_skb+0x130/0x360 [ 8681.992992][ T7704] netlink_unicast+0x449/0x710 [ 8681.992992][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8681.992992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8681.992992][ T7704] ___sys_sendmsg+0xee/0x170 [ 8681.992992][ T7704] __sys_sendmsg+0xcd/0x170 [ 8681.992992][ T7704] do_syscall_64+0xc6/0x1e0 [ 8681.992992][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8681.992992][ T7704] [ 8681.996501][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8681.996501][ T7704] netdev_get_by_index+0x5e/0x80 [ 8681.996501][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8681.996501][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8681.996501][ T7704] ip6_route_add+0x1c/0x140 [ 8681.996501][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8681.996501][ T7704] addrconf_add_dev+0xe2/0x170 [ 8681.996501][ T7704] inet6_addr_add+0x12f/0xa40 [ 8681.996501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8681.996501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8681.996501][ T7704] netlink_rcv_skb+0x130/0x360 [ 8681.996501][ T7704] netlink_unicast+0x449/0x710 [ 8681.996501][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8681.996501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8681.996501][ T7704] ___sys_sendmsg+0xee/0x170 [ 8681.996501][ T7704] __sys_sendmsg+0xcd/0x170 [ 8681.996501][ T7704] do_syscall_64+0xc6/0x1e0 [ 8681.996501][ T7704] [ 8681.999511][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8681.999511][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8681.999511][ T7704] ipv6_find_idev+0x102/0x170 [ 8681.999511][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8681.999511][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8681.999511][ T7704] netlink_rcv_skb+0x130/0x360 [ 8681.999511][ T7704] netlink_unicast+0x449/0x710 [ 8681.999511][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8681.999511][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8681.999511][ T7704] ___sys_sendmsg+0xee/0x170 [ 8681.999511][ T7704] __sys_sendmsg+0xcd/0x170 [ 8681.999511][ T7704] do_syscall_64+0xc6/0x1e0 [ 8681.999511][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8681.999511][ T7704] [ 8682.001250][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8682.001250][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8682.001250][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8682.001250][ T7704] ipv6_find_idev+0x102/0x170 [ 8682.001250][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8682.001250][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8682.001250][ T7704] netlink_rcv_skb+0x130/0x360 [ 8682.001250][ T7704] netlink_unicast+0x449/0x710 [ 8682.001250][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8682.001250][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8682.001250][ T7704] ___sys_sendmsg+0xee/0x170 [ 8682.001250][ T7704] __sys_sendmsg+0xcd/0x170 [ 8682.001250][ T7704] do_syscall_64+0xc6/0x1e0 [ 8682.001250][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8682.001250][ T7704] [ 8692.116817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8692.117242][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8692.117242][ T7704] netdev_get_by_index+0x5e/0x80 [ 8692.117242][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8692.117242][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8692.117242][ T7704] ip6_route_add+0x1c/0x140 [ 8692.117242][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8692.117242][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8692.117242][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8692.117242][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8692.117242][ T7704] netlink_rcv_skb+0x130/0x360 [ 8692.117242][ T7704] netlink_unicast+0x449/0x710 [ 8692.117242][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8692.117242][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8692.117242][ T7704] ___sys_sendmsg+0xee/0x170 [ 8692.117242][ T7704] __sys_sendmsg+0xcd/0x170 [ 8692.117242][ T7704] do_syscall_64+0xc6/0x1e0 [ 8692.117242][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8692.117242][ T7704] [ 8692.119713][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8692.119713][ T7704] netdev_get_by_index+0x5e/0x80 [ 8692.119713][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8692.119713][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8692.119713][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8692.119713][ T7704] ipv6_add_addr+0x411/0x2000 [ 8692.119713][ T7704] inet6_addr_add+0x30e/0xa40 [ 8692.119713][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8692.119713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8692.119713][ T7704] netlink_rcv_skb+0x130/0x360 [ 8692.119713][ T7704] netlink_unicast+0x449/0x710 [ 8692.119713][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8692.119713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8692.119713][ T7704] ___sys_sendmsg+0xee/0x170 [ 8692.119713][ T7704] __sys_sendmsg+0xcd/0x170 [ 8692.119713][ T7704] do_syscall_64+0xc6/0x1e0 [ 8692.119713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8692.119713][ T7704] [ 8692.122171][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8692.122171][ T7704] netdev_get_by_index+0x5e/0x80 [ 8692.122171][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8692.122171][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8692.122171][ T7704] ip6_route_add+0x1c/0x140 [ 8692.122171][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8692.122171][ T7704] addrconf_add_dev+0xe2/0x170 [ 8692.122171][ T7704] inet6_addr_add+0x12f/0xa40 [ 8692.122171][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8692.122171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8692.122171][ T7704] netlink_rcv_skb+0x130/0x360 [ 8692.122171][ T7704] netlink_unicast+0x449/0x710 [ 8692.122171][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8692.122171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8692.122171][ T7704] ___sys_sendmsg+0xee/0x170 [ 8692.122171][ T7704] __sys_sendmsg+0xcd/0x170 [ 8692.122171][ T7704] do_syscall_64+0xc6/0x1e0 [ 8692.122171][ T7704] [ 8692.124577][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8692.124577][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8692.124577][ T7704] ipv6_find_idev+0x102/0x170 [ 8692.124577][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8692.124577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8692.124577][ T7704] netlink_rcv_skb+0x130/0x360 [ 8692.124577][ T7704] netlink_unicast+0x449/0x710 [ 8692.124577][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8692.124577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8692.124577][ T7704] ___sys_sendmsg+0xee/0x170 [ 8692.124577][ T7704] __sys_sendmsg+0xcd/0x170 [ 8692.124577][ T7704] do_syscall_64+0xc6/0x1e0 [ 8692.124577][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8692.124577][ T7704] [ 8692.126461][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8692.126461][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8692.126461][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8692.126461][ T7704] ipv6_find_idev+0x102/0x170 [ 8692.126461][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8692.126461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8692.126461][ T7704] netlink_rcv_skb+0x130/0x360 [ 8692.126461][ T7704] netlink_unicast+0x449/0x710 [ 8692.126461][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8692.126461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8692.126461][ T7704] ___sys_sendmsg+0xee/0x170 [ 8692.126461][ T7704] __sys_sendmsg+0xcd/0x170 [ 8692.126461][ T7704] do_syscall_64+0xc6/0x1e0 [ 8692.126461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8692.126461][ T7704] [ 8702.372801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8702.373205][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8702.373205][ T7704] netdev_get_by_index+0x5e/0x80 [ 8702.373205][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8702.373205][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8702.373205][ T7704] ip6_route_add+0x1c/0x140 [ 8702.373205][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8702.373205][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8702.373205][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8702.373205][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8702.373205][ T7704] netlink_rcv_skb+0x130/0x360 [ 8702.373205][ T7704] netlink_unicast+0x449/0x710 [ 8702.373205][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8702.373205][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8702.373205][ T7704] ___sys_sendmsg+0xee/0x170 [ 8702.373205][ T7704] __sys_sendmsg+0xcd/0x170 [ 8702.373205][ T7704] do_syscall_64+0xc6/0x1e0 [ 8702.373205][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8702.373205][ T7704] [ 8702.375441][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8702.375441][ T7704] netdev_get_by_index+0x5e/0x80 [ 8702.375441][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8702.375441][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8702.375441][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8702.375441][ T7704] ipv6_add_addr+0x411/0x2000 [ 8702.375441][ T7704] inet6_addr_add+0x30e/0xa40 [ 8702.375441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8702.375441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8702.375441][ T7704] netlink_rcv_skb+0x130/0x360 [ 8702.375441][ T7704] netlink_unicast+0x449/0x710 [ 8702.375441][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8702.375441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8702.375441][ T7704] ___sys_sendmsg+0xee/0x170 [ 8702.375441][ T7704] __sys_sendmsg+0xcd/0x170 [ 8702.375441][ T7704] do_syscall_64+0xc6/0x1e0 [ 8702.375441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8702.375441][ T7704] [ 8702.377650][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8702.377650][ T7704] netdev_get_by_index+0x5e/0x80 [ 8702.377650][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8702.377650][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8702.377650][ T7704] ip6_route_add+0x1c/0x140 [ 8702.377650][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8702.377650][ T7704] addrconf_add_dev+0xe2/0x170 [ 8702.377650][ T7704] inet6_addr_add+0x12f/0xa40 [ 8702.377650][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8702.377650][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8702.377650][ T7704] netlink_rcv_skb+0x130/0x360 [ 8702.377650][ T7704] netlink_unicast+0x449/0x710 [ 8702.377650][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8702.377650][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8702.377650][ T7704] ___sys_sendmsg+0xee/0x170 [ 8702.377650][ T7704] __sys_sendmsg+0xcd/0x170 [ 8702.377650][ T7704] do_syscall_64+0xc6/0x1e0 [ 8702.377650][ T7704] [ 8702.379819][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8702.379819][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8702.379819][ T7704] ipv6_find_idev+0x102/0x170 [ 8702.379819][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8702.379819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8702.379819][ T7704] netlink_rcv_skb+0x130/0x360 [ 8702.379819][ T7704] netlink_unicast+0x449/0x710 [ 8702.379819][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8702.379819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8702.379819][ T7704] ___sys_sendmsg+0xee/0x170 [ 8702.379819][ T7704] __sys_sendmsg+0xcd/0x170 [ 8702.379819][ T7704] do_syscall_64+0xc6/0x1e0 [ 8702.379819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8702.379819][ T7704] [ 8702.381538][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8702.381538][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8702.381538][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8702.381538][ T7704] ipv6_find_idev+0x102/0x170 [ 8702.381538][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8702.381538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8702.381538][ T7704] netlink_rcv_skb+0x130/0x360 [ 8702.381538][ T7704] netlink_unicast+0x449/0x710 [ 8702.381538][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8702.381538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8702.381538][ T7704] ___sys_sendmsg+0xee/0x170 [ 8702.381538][ T7704] __sys_sendmsg+0xcd/0x170 [ 8702.381538][ T7704] do_syscall_64+0xc6/0x1e0 [ 8702.381538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8702.381538][ T7704] [ 8712.628795][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8712.629266][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8712.629266][ T7704] netdev_get_by_index+0x5e/0x80 [ 8712.629266][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8712.629266][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8712.629266][ T7704] ip6_route_add+0x1c/0x140 [ 8712.629266][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8712.629266][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8712.629266][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8712.629266][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8712.629266][ T7704] netlink_rcv_skb+0x130/0x360 [ 8712.629266][ T7704] netlink_unicast+0x449/0x710 [ 8712.629266][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8712.629266][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8712.629266][ T7704] ___sys_sendmsg+0xee/0x170 [ 8712.629266][ T7704] __sys_sendmsg+0xcd/0x170 [ 8712.629266][ T7704] do_syscall_64+0xc6/0x1e0 [ 8712.629266][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8712.629266][ T7704] [ 8712.631512][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8712.631512][ T7704] netdev_get_by_index+0x5e/0x80 [ 8712.631512][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8712.631512][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8712.631512][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8712.631512][ T7704] ipv6_add_addr+0x411/0x2000 [ 8712.631512][ T7704] inet6_addr_add+0x30e/0xa40 [ 8712.631512][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8712.631512][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8712.631512][ T7704] netlink_rcv_skb+0x130/0x360 [ 8712.631512][ T7704] netlink_unicast+0x449/0x710 [ 8712.631512][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8712.631512][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8712.631512][ T7704] ___sys_sendmsg+0xee/0x170 [ 8712.631512][ T7704] __sys_sendmsg+0xcd/0x170 [ 8712.631512][ T7704] do_syscall_64+0xc6/0x1e0 [ 8712.631512][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8712.631512][ T7704] [ 8712.633721][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8712.633721][ T7704] netdev_get_by_index+0x5e/0x80 [ 8712.633721][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8712.633721][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8712.633721][ T7704] ip6_route_add+0x1c/0x140 [ 8712.633721][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8712.633721][ T7704] addrconf_add_dev+0xe2/0x170 [ 8712.633721][ T7704] inet6_addr_add+0x12f/0xa40 [ 8712.633721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8712.633721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8712.633721][ T7704] netlink_rcv_skb+0x130/0x360 [ 8712.633721][ T7704] netlink_unicast+0x449/0x710 [ 8712.633721][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8712.633721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8712.633721][ T7704] ___sys_sendmsg+0xee/0x170 [ 8712.633721][ T7704] __sys_sendmsg+0xcd/0x170 [ 8712.633721][ T7704] do_syscall_64+0xc6/0x1e0 [ 8712.633721][ T7704] [ 8712.635880][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8712.635880][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8712.635880][ T7704] ipv6_find_idev+0x102/0x170 [ 8712.635880][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8712.635880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8712.635880][ T7704] netlink_rcv_skb+0x130/0x360 [ 8712.635880][ T7704] netlink_unicast+0x449/0x710 [ 8712.635880][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8712.635880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8712.635880][ T7704] ___sys_sendmsg+0xee/0x170 [ 8712.635880][ T7704] __sys_sendmsg+0xcd/0x170 [ 8712.635880][ T7704] do_syscall_64+0xc6/0x1e0 [ 8712.635880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8712.635880][ T7704] [ 8712.637576][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8712.637576][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8712.637576][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8712.637576][ T7704] ipv6_find_idev+0x102/0x170 [ 8712.637576][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8712.637576][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8712.637576][ T7704] netlink_rcv_skb+0x130/0x360 [ 8712.637576][ T7704] netlink_unicast+0x449/0x710 [ 8712.637576][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8712.637576][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8712.637576][ T7704] ___sys_sendmsg+0xee/0x170 [ 8712.637576][ T7704] __sys_sendmsg+0xcd/0x170 [ 8712.637576][ T7704] do_syscall_64+0xc6/0x1e0 [ 8712.637576][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8712.637576][ T7704] [ 8722.884806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8722.885217][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8722.885217][ T7704] netdev_get_by_index+0x5e/0x80 [ 8722.885217][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8722.885217][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8722.885217][ T7704] ip6_route_add+0x1c/0x140 [ 8722.885217][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8722.885217][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8722.885217][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8722.885217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8722.885217][ T7704] netlink_rcv_skb+0x130/0x360 [ 8722.885217][ T7704] netlink_unicast+0x449/0x710 [ 8722.885217][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8722.885217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8722.885217][ T7704] ___sys_sendmsg+0xee/0x170 [ 8722.885217][ T7704] __sys_sendmsg+0xcd/0x170 [ 8722.885217][ T7704] do_syscall_64+0xc6/0x1e0 [ 8722.885217][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8722.885217][ T7704] [ 8722.887458][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8722.887458][ T7704] netdev_get_by_index+0x5e/0x80 [ 8722.887458][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8722.887458][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8722.887458][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8722.887458][ T7704] ipv6_add_addr+0x411/0x2000 [ 8722.887458][ T7704] inet6_addr_add+0x30e/0xa40 [ 8722.887458][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8722.887458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8722.887458][ T7704] netlink_rcv_skb+0x130/0x360 [ 8722.887458][ T7704] netlink_unicast+0x449/0x710 [ 8722.887458][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8722.887458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8722.887458][ T7704] ___sys_sendmsg+0xee/0x170 [ 8722.887458][ T7704] __sys_sendmsg+0xcd/0x170 [ 8722.887458][ T7704] do_syscall_64+0xc6/0x1e0 [ 8722.887458][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8722.887458][ T7704] [ 8722.889665][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8722.889665][ T7704] netdev_get_by_index+0x5e/0x80 [ 8722.889665][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8722.889665][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8722.889665][ T7704] ip6_route_add+0x1c/0x140 [ 8722.889665][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8722.889665][ T7704] addrconf_add_dev+0xe2/0x170 [ 8722.889665][ T7704] inet6_addr_add+0x12f/0xa40 [ 8722.889665][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8722.889665][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8722.889665][ T7704] netlink_rcv_skb+0x130/0x360 [ 8722.889665][ T7704] netlink_unicast+0x449/0x710 [ 8722.889665][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8722.889665][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8722.889665][ T7704] ___sys_sendmsg+0xee/0x170 [ 8722.889665][ T7704] __sys_sendmsg+0xcd/0x170 [ 8722.889665][ T7704] do_syscall_64+0xc6/0x1e0 [ 8722.889665][ T7704] [ 8722.891849][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8722.891849][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8722.891849][ T7704] ipv6_find_idev+0x102/0x170 [ 8722.891849][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8722.891849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8722.891849][ T7704] netlink_rcv_skb+0x130/0x360 [ 8722.891849][ T7704] netlink_unicast+0x449/0x710 [ 8722.891849][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8722.891849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8722.891849][ T7704] ___sys_sendmsg+0xee/0x170 [ 8722.891849][ T7704] __sys_sendmsg+0xcd/0x170 [ 8722.891849][ T7704] do_syscall_64+0xc6/0x1e0 [ 8722.891849][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8722.891849][ T7704] [ 8722.894060][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8722.894060][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8722.894060][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8722.894060][ T7704] ipv6_find_idev+0x102/0x170 [ 8722.894060][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8722.894060][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8722.894060][ T7704] netlink_rcv_skb+0x130/0x360 [ 8722.894060][ T7704] netlink_unicast+0x449/0x710 [ 8722.894060][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8722.894060][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8722.894060][ T7704] ___sys_sendmsg+0xee/0x170 [ 8722.894060][ T7704] __sys_sendmsg+0xcd/0x170 [ 8722.894060][ T7704] do_syscall_64+0xc6/0x1e0 [ 8722.894060][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8722.894060][ T7704] [ 8733.140750][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8733.141222][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8733.141222][ T7704] netdev_get_by_index+0x5e/0x80 [ 8733.141222][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8733.141222][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8733.141222][ T7704] ip6_route_add+0x1c/0x140 [ 8733.141222][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8733.141222][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8733.141222][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8733.141222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8733.141222][ T7704] netlink_rcv_skb+0x130/0x360 [ 8733.141222][ T7704] netlink_unicast+0x449/0x710 [ 8733.141222][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8733.141222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8733.141222][ T7704] ___sys_sendmsg+0xee/0x170 [ 8733.141222][ T7704] __sys_sendmsg+0xcd/0x170 [ 8733.141222][ T7704] do_syscall_64+0xc6/0x1e0 [ 8733.141222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8733.141222][ T7704] [ 8733.143471][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8733.143471][ T7704] netdev_get_by_index+0x5e/0x80 [ 8733.143471][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8733.143471][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8733.143471][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8733.143471][ T7704] ipv6_add_addr+0x411/0x2000 [ 8733.143471][ T7704] inet6_addr_add+0x30e/0xa40 [ 8733.143471][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8733.143471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8733.143471][ T7704] netlink_rcv_skb+0x130/0x360 [ 8733.143471][ T7704] netlink_unicast+0x449/0x710 [ 8733.143471][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8733.143471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8733.143471][ T7704] ___sys_sendmsg+0xee/0x170 [ 8733.143471][ T7704] __sys_sendmsg+0xcd/0x170 [ 8733.143471][ T7704] do_syscall_64+0xc6/0x1e0 [ 8733.143471][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8733.143471][ T7704] [ 8733.145684][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8733.145684][ T7704] netdev_get_by_index+0x5e/0x80 [ 8733.145684][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8733.145684][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8733.145684][ T7704] ip6_route_add+0x1c/0x140 [ 8733.145684][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8733.145684][ T7704] addrconf_add_dev+0xe2/0x170 [ 8733.145684][ T7704] inet6_addr_add+0x12f/0xa40 [ 8733.145684][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8733.145684][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8733.145684][ T7704] netlink_rcv_skb+0x130/0x360 [ 8733.145684][ T7704] netlink_unicast+0x449/0x710 [ 8733.145684][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8733.145684][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8733.145684][ T7704] ___sys_sendmsg+0xee/0x170 [ 8733.145684][ T7704] __sys_sendmsg+0xcd/0x170 [ 8733.145684][ T7704] do_syscall_64+0xc6/0x1e0 [ 8733.145684][ T7704] [ 8733.147865][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8733.147865][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8733.147865][ T7704] ipv6_find_idev+0x102/0x170 [ 8733.147865][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8733.147865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8733.147865][ T7704] netlink_rcv_skb+0x130/0x360 [ 8733.147865][ T7704] netlink_unicast+0x449/0x710 [ 8733.147865][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8733.147865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8733.147865][ T7704] ___sys_sendmsg+0xee/0x170 [ 8733.147865][ T7704] __sys_sendmsg+0xcd/0x170 [ 8733.147865][ T7704] do_syscall_64+0xc6/0x1e0 [ 8733.147865][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8733.147865][ T7704] [ 8733.149564][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8733.149564][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8733.149564][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8733.149564][ T7704] ipv6_find_idev+0x102/0x170 [ 8733.149564][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8733.149564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8733.149564][ T7704] netlink_rcv_skb+0x130/0x360 [ 8733.149564][ T7704] netlink_unicast+0x449/0x710 [ 8733.149564][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8733.149564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8733.149564][ T7704] ___sys_sendmsg+0xee/0x170 [ 8733.149564][ T7704] __sys_sendmsg+0xcd/0x170 [ 8733.149564][ T7704] do_syscall_64+0xc6/0x1e0 [ 8733.149564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8733.149564][ T7704] [ 8743.396810][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8743.397284][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8743.397284][ T7704] netdev_get_by_index+0x5e/0x80 [ 8743.397284][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8743.397284][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8743.397284][ T7704] ip6_route_add+0x1c/0x140 [ 8743.397284][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8743.397284][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8743.397284][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8743.397284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8743.397284][ T7704] netlink_rcv_skb+0x130/0x360 [ 8743.397284][ T7704] netlink_unicast+0x449/0x710 [ 8743.397284][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8743.397284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8743.397284][ T7704] ___sys_sendmsg+0xee/0x170 [ 8743.397284][ T7704] __sys_sendmsg+0xcd/0x170 [ 8743.397284][ T7704] do_syscall_64+0xc6/0x1e0 [ 8743.397284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8743.397284][ T7704] [ 8743.399504][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8743.399504][ T7704] netdev_get_by_index+0x5e/0x80 [ 8743.399504][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8743.399504][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8743.399504][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8743.399504][ T7704] ipv6_add_addr+0x411/0x2000 [ 8743.399504][ T7704] inet6_addr_add+0x30e/0xa40 [ 8743.399504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8743.399504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8743.399504][ T7704] netlink_rcv_skb+0x130/0x360 [ 8743.399504][ T7704] netlink_unicast+0x449/0x710 [ 8743.399504][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8743.399504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8743.399504][ T7704] ___sys_sendmsg+0xee/0x170 [ 8743.399504][ T7704] __sys_sendmsg+0xcd/0x170 [ 8743.399504][ T7704] do_syscall_64+0xc6/0x1e0 [ 8743.399504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8743.399504][ T7704] [ 8743.401733][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8743.401733][ T7704] netdev_get_by_index+0x5e/0x80 [ 8743.401733][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8743.401733][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8743.401733][ T7704] ip6_route_add+0x1c/0x140 [ 8743.401733][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8743.401733][ T7704] addrconf_add_dev+0xe2/0x170 [ 8743.401733][ T7704] inet6_addr_add+0x12f/0xa40 [ 8743.401733][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8743.401733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8743.401733][ T7704] netlink_rcv_skb+0x130/0x360 [ 8743.401733][ T7704] netlink_unicast+0x449/0x710 [ 8743.401733][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8743.401733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8743.401733][ T7704] ___sys_sendmsg+0xee/0x170 [ 8743.401733][ T7704] __sys_sendmsg+0xcd/0x170 [ 8743.401733][ T7704] do_syscall_64+0xc6/0x1e0 [ 8743.401733][ T7704] [ 8743.403916][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8743.403916][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8743.403916][ T7704] ipv6_find_idev+0x102/0x170 [ 8743.403916][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8743.403916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8743.403916][ T7704] netlink_rcv_skb+0x130/0x360 [ 8743.403916][ T7704] netlink_unicast+0x449/0x710 [ 8743.403916][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8743.403916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8743.403916][ T7704] ___sys_sendmsg+0xee/0x170 [ 8743.403916][ T7704] __sys_sendmsg+0xcd/0x170 [ 8743.403916][ T7704] do_syscall_64+0xc6/0x1e0 [ 8743.403916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8743.403916][ T7704] [ 8743.405617][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8743.405617][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8743.405617][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8743.405617][ T7704] ipv6_find_idev+0x102/0x170 [ 8743.405617][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8743.405617][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8743.405617][ T7704] netlink_rcv_skb+0x130/0x360 [ 8743.405617][ T7704] netlink_unicast+0x449/0x710 [ 8743.405617][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8743.405617][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8743.405617][ T7704] ___sys_sendmsg+0xee/0x170 [ 8743.405617][ T7704] __sys_sendmsg+0xcd/0x170 [ 8743.405617][ T7704] do_syscall_64+0xc6/0x1e0 [ 8743.405617][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8743.405617][ T7704] [ 8753.652811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8753.653218][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8753.653218][ T7704] netdev_get_by_index+0x5e/0x80 [ 8753.653218][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8753.653218][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8753.653218][ T7704] ip6_route_add+0x1c/0x140 [ 8753.653218][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8753.653218][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8753.653218][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8753.653218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8753.653218][ T7704] netlink_rcv_skb+0x130/0x360 [ 8753.653218][ T7704] netlink_unicast+0x449/0x710 [ 8753.653218][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8753.653218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8753.653218][ T7704] ___sys_sendmsg+0xee/0x170 [ 8753.653218][ T7704] __sys_sendmsg+0xcd/0x170 [ 8753.653218][ T7704] do_syscall_64+0xc6/0x1e0 [ 8753.653218][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8753.653218][ T7704] [ 8753.655446][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8753.655446][ T7704] netdev_get_by_index+0x5e/0x80 [ 8753.655446][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8753.655446][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8753.655446][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8753.655446][ T7704] ipv6_add_addr+0x411/0x2000 [ 8753.655446][ T7704] inet6_addr_add+0x30e/0xa40 [ 8753.655446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8753.655446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8753.655446][ T7704] netlink_rcv_skb+0x130/0x360 [ 8753.655446][ T7704] netlink_unicast+0x449/0x710 [ 8753.655446][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8753.655446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8753.655446][ T7704] ___sys_sendmsg+0xee/0x170 [ 8753.655446][ T7704] __sys_sendmsg+0xcd/0x170 [ 8753.655446][ T7704] do_syscall_64+0xc6/0x1e0 [ 8753.655446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8753.655446][ T7704] [ 8753.657653][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8753.657653][ T7704] netdev_get_by_index+0x5e/0x80 [ 8753.657653][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8753.657653][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8753.657653][ T7704] ip6_route_add+0x1c/0x140 [ 8753.657653][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8753.657653][ T7704] addrconf_add_dev+0xe2/0x170 [ 8753.657653][ T7704] inet6_addr_add+0x12f/0xa40 [ 8753.657653][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8753.657653][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8753.657653][ T7704] netlink_rcv_skb+0x130/0x360 [ 8753.657653][ T7704] netlink_unicast+0x449/0x710 [ 8753.657653][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8753.657653][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8753.657653][ T7704] ___sys_sendmsg+0xee/0x170 [ 8753.657653][ T7704] __sys_sendmsg+0xcd/0x170 [ 8753.657653][ T7704] do_syscall_64+0xc6/0x1e0 [ 8753.657653][ T7704] [ 8753.659818][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8753.659818][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8753.659818][ T7704] ipv6_find_idev+0x102/0x170 [ 8753.659818][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8753.659818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8753.659818][ T7704] netlink_rcv_skb+0x130/0x360 [ 8753.659818][ T7704] netlink_unicast+0x449/0x710 [ 8753.659818][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8753.659818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8753.659818][ T7704] ___sys_sendmsg+0xee/0x170 [ 8753.659818][ T7704] __sys_sendmsg+0xcd/0x170 [ 8753.659818][ T7704] do_syscall_64+0xc6/0x1e0 [ 8753.659818][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8753.659818][ T7704] [ 8753.661517][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8753.661517][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8753.661517][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8753.661517][ T7704] ipv6_find_idev+0x102/0x170 [ 8753.661517][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8753.661517][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8753.661517][ T7704] netlink_rcv_skb+0x130/0x360 [ 8753.661517][ T7704] netlink_unicast+0x449/0x710 [ 8753.661517][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8753.661517][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8753.661517][ T7704] ___sys_sendmsg+0xee/0x170 [ 8753.661517][ T7704] __sys_sendmsg+0xcd/0x170 [ 8753.661517][ T7704] do_syscall_64+0xc6/0x1e0 [ 8753.661517][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8753.661517][ T7704] [ 8763.908815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8763.909287][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8763.909287][ T7704] netdev_get_by_index+0x5e/0x80 [ 8763.909287][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8763.909287][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8763.909287][ T7704] ip6_route_add+0x1c/0x140 [ 8763.909287][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8763.909287][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8763.909287][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8763.909287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8763.909287][ T7704] netlink_rcv_skb+0x130/0x360 [ 8763.909287][ T7704] netlink_unicast+0x449/0x710 [ 8763.909287][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8763.909287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8763.909287][ T7704] ___sys_sendmsg+0xee/0x170 [ 8763.909287][ T7704] __sys_sendmsg+0xcd/0x170 [ 8763.909287][ T7704] do_syscall_64+0xc6/0x1e0 [ 8763.909287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8763.909287][ T7704] [ 8763.911531][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8763.911531][ T7704] netdev_get_by_index+0x5e/0x80 [ 8763.911531][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8763.911531][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8763.911531][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8763.911531][ T7704] ipv6_add_addr+0x411/0x2000 [ 8763.911531][ T7704] inet6_addr_add+0x30e/0xa40 [ 8763.911531][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8763.911531][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8763.911531][ T7704] netlink_rcv_skb+0x130/0x360 [ 8763.911531][ T7704] netlink_unicast+0x449/0x710 [ 8763.911531][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8763.911531][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8763.911531][ T7704] ___sys_sendmsg+0xee/0x170 [ 8763.911531][ T7704] __sys_sendmsg+0xcd/0x170 [ 8763.911531][ T7704] do_syscall_64+0xc6/0x1e0 [ 8763.911531][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8763.911531][ T7704] [ 8763.913734][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8763.913734][ T7704] netdev_get_by_index+0x5e/0x80 [ 8763.913734][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8763.913734][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8763.913734][ T7704] ip6_route_add+0x1c/0x140 [ 8763.913734][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8763.913734][ T7704] addrconf_add_dev+0xe2/0x170 [ 8763.913734][ T7704] inet6_addr_add+0x12f/0xa40 [ 8763.913734][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8763.913734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8763.913734][ T7704] netlink_rcv_skb+0x130/0x360 [ 8763.913734][ T7704] netlink_unicast+0x449/0x710 [ 8763.913734][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8763.913734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8763.913734][ T7704] ___sys_sendmsg+0xee/0x170 [ 8763.913734][ T7704] __sys_sendmsg+0xcd/0x170 [ 8763.913734][ T7704] do_syscall_64+0xc6/0x1e0 [ 8763.913734][ T7704] [ 8763.915898][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8763.915898][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8763.915898][ T7704] ipv6_find_idev+0x102/0x170 [ 8763.915898][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8763.915898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8763.915898][ T7704] netlink_rcv_skb+0x130/0x360 [ 8763.915898][ T7704] netlink_unicast+0x449/0x710 [ 8763.915898][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8763.915898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8763.915898][ T7704] ___sys_sendmsg+0xee/0x170 [ 8763.915898][ T7704] __sys_sendmsg+0xcd/0x170 [ 8763.915898][ T7704] do_syscall_64+0xc6/0x1e0 [ 8763.915898][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8763.915898][ T7704] [ 8763.917591][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8763.917591][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8763.917591][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8763.917591][ T7704] ipv6_find_idev+0x102/0x170 [ 8763.917591][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8763.917591][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8763.917591][ T7704] netlink_rcv_skb+0x130/0x360 [ 8763.917591][ T7704] netlink_unicast+0x449/0x710 [ 8763.917591][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8763.917591][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8763.917591][ T7704] ___sys_sendmsg+0xee/0x170 [ 8763.917591][ T7704] __sys_sendmsg+0xcd/0x170 [ 8763.917591][ T7704] do_syscall_64+0xc6/0x1e0 [ 8763.917591][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8763.917591][ T7704] [ 8774.164751][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8774.165237][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8774.165237][ T7704] netdev_get_by_index+0x5e/0x80 [ 8774.165237][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8774.165237][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8774.165237][ T7704] ip6_route_add+0x1c/0x140 [ 8774.165237][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8774.165237][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8774.165237][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8774.165237][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8774.165237][ T7704] netlink_rcv_skb+0x130/0x360 [ 8774.165237][ T7704] netlink_unicast+0x449/0x710 [ 8774.165237][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8774.165237][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8774.165237][ T7704] ___sys_sendmsg+0xee/0x170 [ 8774.165237][ T7704] __sys_sendmsg+0xcd/0x170 [ 8774.165237][ T7704] do_syscall_64+0xc6/0x1e0 [ 8774.165237][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8774.165237][ T7704] [ 8774.167470][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8774.167470][ T7704] netdev_get_by_index+0x5e/0x80 [ 8774.167470][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8774.167470][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8774.167470][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8774.167470][ T7704] ipv6_add_addr+0x411/0x2000 [ 8774.167470][ T7704] inet6_addr_add+0x30e/0xa40 [ 8774.167470][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8774.167470][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8774.167470][ T7704] netlink_rcv_skb+0x130/0x360 [ 8774.167470][ T7704] netlink_unicast+0x449/0x710 [ 8774.167470][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8774.167470][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8774.167470][ T7704] ___sys_sendmsg+0xee/0x170 [ 8774.167470][ T7704] __sys_sendmsg+0xcd/0x170 [ 8774.167470][ T7704] do_syscall_64+0xc6/0x1e0 [ 8774.167470][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8774.167470][ T7704] [ 8774.169697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8774.169697][ T7704] netdev_get_by_index+0x5e/0x80 [ 8774.169697][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8774.169697][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8774.169697][ T7704] ip6_route_add+0x1c/0x140 [ 8774.169697][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8774.169697][ T7704] addrconf_add_dev+0xe2/0x170 [ 8774.169697][ T7704] inet6_addr_add+0x12f/0xa40 [ 8774.169697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8774.169697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8774.169697][ T7704] netlink_rcv_skb+0x130/0x360 [ 8774.169697][ T7704] netlink_unicast+0x449/0x710 [ 8774.169697][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8774.169697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8774.169697][ T7704] ___sys_sendmsg+0xee/0x170 [ 8774.169697][ T7704] __sys_sendmsg+0xcd/0x170 [ 8774.169697][ T7704] do_syscall_64+0xc6/0x1e0 [ 8774.169697][ T7704] [ 8774.171906][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8774.171906][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8774.171906][ T7704] ipv6_find_idev+0x102/0x170 [ 8774.171906][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8774.171906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8774.171906][ T7704] netlink_rcv_skb+0x130/0x360 [ 8774.171906][ T7704] netlink_unicast+0x449/0x710 [ 8774.171906][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8774.171906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8774.171906][ T7704] ___sys_sendmsg+0xee/0x170 [ 8774.171906][ T7704] __sys_sendmsg+0xcd/0x170 [ 8774.171906][ T7704] do_syscall_64+0xc6/0x1e0 [ 8774.171906][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8774.171906][ T7704] [ 8774.174056][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8774.174056][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8774.174056][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8774.174056][ T7704] ipv6_find_idev+0x102/0x170 [ 8774.174056][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8774.174056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8774.174056][ T7704] netlink_rcv_skb+0x130/0x360 [ 8774.174056][ T7704] netlink_unicast+0x449/0x710 [ 8774.174056][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8774.174056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8774.174056][ T7704] ___sys_sendmsg+0xee/0x170 [ 8774.174056][ T7704] __sys_sendmsg+0xcd/0x170 [ 8774.174056][ T7704] do_syscall_64+0xc6/0x1e0 [ 8774.174056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8774.174056][ T7704] [ 8784.212804][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8784.213293][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8784.213293][ T7704] netdev_get_by_index+0x5e/0x80 [ 8784.213293][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8784.213293][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8784.213293][ T7704] ip6_route_add+0x1c/0x140 [ 8784.213293][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8784.213293][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8784.213293][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8784.213293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8784.213293][ T7704] netlink_rcv_skb+0x130/0x360 [ 8784.213293][ T7704] netlink_unicast+0x449/0x710 [ 8784.213293][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8784.213293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8784.213293][ T7704] ___sys_sendmsg+0xee/0x170 [ 8784.213293][ T7704] __sys_sendmsg+0xcd/0x170 [ 8784.213293][ T7704] do_syscall_64+0xc6/0x1e0 [ 8784.213293][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8784.213293][ T7704] [ 8784.215556][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8784.215556][ T7704] netdev_get_by_index+0x5e/0x80 [ 8784.215556][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8784.215556][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8784.215556][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8784.215556][ T7704] ipv6_add_addr+0x411/0x2000 [ 8784.215556][ T7704] inet6_addr_add+0x30e/0xa40 [ 8784.215556][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8784.215556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8784.215556][ T7704] netlink_rcv_skb+0x130/0x360 [ 8784.215556][ T7704] netlink_unicast+0x449/0x710 [ 8784.215556][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8784.215556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8784.215556][ T7704] ___sys_sendmsg+0xee/0x170 [ 8784.215556][ T7704] __sys_sendmsg+0xcd/0x170 [ 8784.215556][ T7704] do_syscall_64+0xc6/0x1e0 [ 8784.215556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8784.215556][ T7704] [ 8784.217824][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8784.217824][ T7704] netdev_get_by_index+0x5e/0x80 [ 8784.217824][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8784.217824][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8784.217824][ T7704] ip6_route_add+0x1c/0x140 [ 8784.217824][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8784.217824][ T7704] addrconf_add_dev+0xe2/0x170 [ 8784.217824][ T7704] inet6_addr_add+0x12f/0xa40 [ 8784.217824][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8784.217824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8784.217824][ T7704] netlink_rcv_skb+0x130/0x360 [ 8784.217824][ T7704] netlink_unicast+0x449/0x710 [ 8784.217824][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8784.217824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8784.217824][ T7704] ___sys_sendmsg+0xee/0x170 [ 8784.217824][ T7704] __sys_sendmsg+0xcd/0x170 [ 8784.217824][ T7704] do_syscall_64+0xc6/0x1e0 [ 8784.217824][ T7704] [ 8784.220263][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8784.220263][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8784.220263][ T7704] ipv6_find_idev+0x102/0x170 [ 8784.220263][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8784.220263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8784.220263][ T7704] netlink_rcv_skb+0x130/0x360 [ 8784.220263][ T7704] netlink_unicast+0x449/0x710 [ 8784.220263][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8784.220263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8784.220263][ T7704] ___sys_sendmsg+0xee/0x170 [ 8784.220263][ T7704] __sys_sendmsg+0xcd/0x170 [ 8784.220263][ T7704] do_syscall_64+0xc6/0x1e0 [ 8784.220263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8784.220263][ T7704] [ 8784.222161][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8784.222161][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8784.222161][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8784.222161][ T7704] ipv6_find_idev+0x102/0x170 [ 8784.222161][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8784.222161][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8784.222161][ T7704] netlink_rcv_skb+0x130/0x360 [ 8784.222161][ T7704] netlink_unicast+0x449/0x710 [ 8784.222161][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8784.222161][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8784.222161][ T7704] ___sys_sendmsg+0xee/0x170 [ 8784.222161][ T7704] __sys_sendmsg+0xcd/0x170 [ 8784.222161][ T7704] do_syscall_64+0xc6/0x1e0 [ 8784.222161][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8784.222161][ T7704] [ 8794.420817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8794.421316][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8794.421316][ T7704] netdev_get_by_index+0x5e/0x80 [ 8794.421316][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8794.421316][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8794.421316][ T7704] ip6_route_add+0x1c/0x140 [ 8794.421316][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8794.421316][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8794.421316][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8794.421316][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8794.421316][ T7704] netlink_rcv_skb+0x130/0x360 [ 8794.421316][ T7704] netlink_unicast+0x449/0x710 [ 8794.421316][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8794.421316][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8794.421316][ T7704] ___sys_sendmsg+0xee/0x170 [ 8794.421316][ T7704] __sys_sendmsg+0xcd/0x170 [ 8794.421316][ T7704] do_syscall_64+0xc6/0x1e0 [ 8794.421316][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8794.421316][ T7704] [ 8794.423583][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8794.423583][ T7704] netdev_get_by_index+0x5e/0x80 [ 8794.423583][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8794.423583][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8794.423583][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8794.423583][ T7704] ipv6_add_addr+0x411/0x2000 [ 8794.423583][ T7704] inet6_addr_add+0x30e/0xa40 [ 8794.423583][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8794.423583][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8794.423583][ T7704] netlink_rcv_skb+0x130/0x360 [ 8794.423583][ T7704] netlink_unicast+0x449/0x710 [ 8794.423583][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8794.423583][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8794.423583][ T7704] ___sys_sendmsg+0xee/0x170 [ 8794.423583][ T7704] __sys_sendmsg+0xcd/0x170 [ 8794.423583][ T7704] do_syscall_64+0xc6/0x1e0 [ 8794.423583][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8794.423583][ T7704] [ 8794.425824][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8794.425824][ T7704] netdev_get_by_index+0x5e/0x80 [ 8794.425824][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8794.425824][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8794.425824][ T7704] ip6_route_add+0x1c/0x140 [ 8794.425824][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8794.425824][ T7704] addrconf_add_dev+0xe2/0x170 [ 8794.425824][ T7704] inet6_addr_add+0x12f/0xa40 [ 8794.425824][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8794.425824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8794.425824][ T7704] netlink_rcv_skb+0x130/0x360 [ 8794.425824][ T7704] netlink_unicast+0x449/0x710 [ 8794.425824][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8794.425824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8794.425824][ T7704] ___sys_sendmsg+0xee/0x170 [ 8794.425824][ T7704] __sys_sendmsg+0xcd/0x170 [ 8794.425824][ T7704] do_syscall_64+0xc6/0x1e0 [ 8794.425824][ T7704] [ 8794.428023][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8794.428023][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8794.428023][ T7704] ipv6_find_idev+0x102/0x170 [ 8794.428023][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8794.428023][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8794.428023][ T7704] netlink_rcv_skb+0x130/0x360 [ 8794.428023][ T7704] netlink_unicast+0x449/0x710 [ 8794.428023][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8794.428023][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8794.428023][ T7704] ___sys_sendmsg+0xee/0x170 [ 8794.428023][ T7704] __sys_sendmsg+0xcd/0x170 [ 8794.428023][ T7704] do_syscall_64+0xc6/0x1e0 [ 8794.428023][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8794.428023][ T7704] [ 8794.429735][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8794.429735][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8794.429735][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8794.429735][ T7704] ipv6_find_idev+0x102/0x170 [ 8794.429735][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8794.429735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8794.429735][ T7704] netlink_rcv_skb+0x130/0x360 [ 8794.429735][ T7704] netlink_unicast+0x449/0x710 [ 8794.429735][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8794.429735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8794.429735][ T7704] ___sys_sendmsg+0xee/0x170 [ 8794.429735][ T7704] __sys_sendmsg+0xcd/0x170 [ 8794.429735][ T7704] do_syscall_64+0xc6/0x1e0 [ 8794.429735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8794.429735][ T7704] [ 8804.668806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8804.669275][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8804.669275][ T7704] netdev_get_by_index+0x5e/0x80 [ 8804.669275][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8804.669275][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8804.669275][ T7704] ip6_route_add+0x1c/0x140 [ 8804.669275][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8804.669275][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8804.669275][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8804.669275][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8804.669275][ T7704] netlink_rcv_skb+0x130/0x360 [ 8804.669275][ T7704] netlink_unicast+0x449/0x710 [ 8804.669275][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8804.669275][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8804.669275][ T7704] ___sys_sendmsg+0xee/0x170 [ 8804.669275][ T7704] __sys_sendmsg+0xcd/0x170 [ 8804.669275][ T7704] do_syscall_64+0xc6/0x1e0 [ 8804.669275][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8804.669275][ T7704] [ 8804.671521][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8804.671521][ T7704] netdev_get_by_index+0x5e/0x80 [ 8804.671521][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8804.671521][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8804.671521][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8804.671521][ T7704] ipv6_add_addr+0x411/0x2000 [ 8804.671521][ T7704] inet6_addr_add+0x30e/0xa40 [ 8804.671521][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8804.671521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8804.671521][ T7704] netlink_rcv_skb+0x130/0x360 [ 8804.671521][ T7704] netlink_unicast+0x449/0x710 [ 8804.671521][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8804.671521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8804.671521][ T7704] ___sys_sendmsg+0xee/0x170 [ 8804.671521][ T7704] __sys_sendmsg+0xcd/0x170 [ 8804.671521][ T7704] do_syscall_64+0xc6/0x1e0 [ 8804.671521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8804.671521][ T7704] [ 8804.673720][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8804.673720][ T7704] netdev_get_by_index+0x5e/0x80 [ 8804.673720][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8804.673720][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8804.673720][ T7704] ip6_route_add+0x1c/0x140 [ 8804.673720][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8804.673720][ T7704] addrconf_add_dev+0xe2/0x170 [ 8804.673720][ T7704] inet6_addr_add+0x12f/0xa40 [ 8804.673720][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8804.673720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8804.673720][ T7704] netlink_rcv_skb+0x130/0x360 [ 8804.673720][ T7704] netlink_unicast+0x449/0x710 [ 8804.673720][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8804.673720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8804.673720][ T7704] ___sys_sendmsg+0xee/0x170 [ 8804.673720][ T7704] __sys_sendmsg+0xcd/0x170 [ 8804.673720][ T7704] do_syscall_64+0xc6/0x1e0 [ 8804.673720][ T7704] [ 8804.675976][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8804.675976][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8804.675976][ T7704] ipv6_find_idev+0x102/0x170 [ 8804.675976][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8804.675976][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8804.675976][ T7704] netlink_rcv_skb+0x130/0x360 [ 8804.675976][ T7704] netlink_unicast+0x449/0x710 [ 8804.675976][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8804.675976][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8804.675976][ T7704] ___sys_sendmsg+0xee/0x170 [ 8804.675976][ T7704] __sys_sendmsg+0xcd/0x170 [ 8804.675976][ T7704] do_syscall_64+0xc6/0x1e0 [ 8804.675976][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8804.675976][ T7704] [ 8804.677680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8804.677680][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8804.677680][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8804.677680][ T7704] ipv6_find_idev+0x102/0x170 [ 8804.677680][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8804.677680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8804.677680][ T7704] netlink_rcv_skb+0x130/0x360 [ 8804.677680][ T7704] netlink_unicast+0x449/0x710 [ 8804.677680][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8804.677680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8804.677680][ T7704] ___sys_sendmsg+0xee/0x170 [ 8804.677680][ T7704] __sys_sendmsg+0xcd/0x170 [ 8804.677680][ T7704] do_syscall_64+0xc6/0x1e0 [ 8804.677680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8804.677680][ T7704] [ 8814.916806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8814.917294][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8814.917294][ T7704] netdev_get_by_index+0x5e/0x80 [ 8814.917294][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8814.917294][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8814.917294][ T7704] ip6_route_add+0x1c/0x140 [ 8814.917294][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8814.917294][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8814.917294][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8814.917294][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8814.917294][ T7704] netlink_rcv_skb+0x130/0x360 [ 8814.917294][ T7704] netlink_unicast+0x449/0x710 [ 8814.917294][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8814.917294][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8814.917294][ T7704] ___sys_sendmsg+0xee/0x170 [ 8814.917294][ T7704] __sys_sendmsg+0xcd/0x170 [ 8814.917294][ T7704] do_syscall_64+0xc6/0x1e0 [ 8814.917294][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8814.917294][ T7704] [ 8814.919549][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8814.919549][ T7704] netdev_get_by_index+0x5e/0x80 [ 8814.919549][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8814.919549][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8814.919549][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8814.919549][ T7704] ipv6_add_addr+0x411/0x2000 [ 8814.919549][ T7704] inet6_addr_add+0x30e/0xa40 [ 8814.919549][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8814.919549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8814.919549][ T7704] netlink_rcv_skb+0x130/0x360 [ 8814.919549][ T7704] netlink_unicast+0x449/0x710 [ 8814.919549][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8814.919549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8814.919549][ T7704] ___sys_sendmsg+0xee/0x170 [ 8814.919549][ T7704] __sys_sendmsg+0xcd/0x170 [ 8814.919549][ T7704] do_syscall_64+0xc6/0x1e0 [ 8814.919549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8814.919549][ T7704] [ 8814.921800][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8814.921800][ T7704] netdev_get_by_index+0x5e/0x80 [ 8814.921800][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8814.921800][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8814.921800][ T7704] ip6_route_add+0x1c/0x140 [ 8814.921800][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8814.921800][ T7704] addrconf_add_dev+0xe2/0x170 [ 8814.921800][ T7704] inet6_addr_add+0x12f/0xa40 [ 8814.921800][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8814.921800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8814.921800][ T7704] netlink_rcv_skb+0x130/0x360 [ 8814.921800][ T7704] netlink_unicast+0x449/0x710 [ 8814.921800][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8814.921800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8814.921800][ T7704] ___sys_sendmsg+0xee/0x170 [ 8814.921800][ T7704] __sys_sendmsg+0xcd/0x170 [ 8814.921800][ T7704] do_syscall_64+0xc6/0x1e0 [ 8814.921800][ T7704] [ 8814.923991][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8814.923991][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8814.923991][ T7704] ipv6_find_idev+0x102/0x170 [ 8814.923991][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8814.923991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8814.923991][ T7704] netlink_rcv_skb+0x130/0x360 [ 8814.923991][ T7704] netlink_unicast+0x449/0x710 [ 8814.923991][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8814.923991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8814.923991][ T7704] ___sys_sendmsg+0xee/0x170 [ 8814.923991][ T7704] __sys_sendmsg+0xcd/0x170 [ 8814.923991][ T7704] do_syscall_64+0xc6/0x1e0 [ 8814.923991][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8814.923991][ T7704] [ 8814.925704][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8814.925704][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8814.925704][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8814.925704][ T7704] ipv6_find_idev+0x102/0x170 [ 8814.925704][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8814.925704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8814.925704][ T7704] netlink_rcv_skb+0x130/0x360 [ 8814.925704][ T7704] netlink_unicast+0x449/0x710 [ 8814.925704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8814.925704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8814.925704][ T7704] ___sys_sendmsg+0xee/0x170 [ 8814.925704][ T7704] __sys_sendmsg+0xcd/0x170 [ 8814.925704][ T7704] do_syscall_64+0xc6/0x1e0 [ 8814.925704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8814.925704][ T7704] [ 8825.164792][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8825.165223][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8825.165223][ T7704] netdev_get_by_index+0x5e/0x80 [ 8825.165223][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8825.165223][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8825.165223][ T7704] ip6_route_add+0x1c/0x140 [ 8825.165223][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8825.165223][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8825.165223][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8825.165223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8825.165223][ T7704] netlink_rcv_skb+0x130/0x360 [ 8825.165223][ T7704] netlink_unicast+0x449/0x710 [ 8825.165223][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8825.165223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8825.165223][ T7704] ___sys_sendmsg+0xee/0x170 [ 8825.165223][ T7704] __sys_sendmsg+0xcd/0x170 [ 8825.165223][ T7704] do_syscall_64+0xc6/0x1e0 [ 8825.165223][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8825.165223][ T7704] [ 8825.167473][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8825.167473][ T7704] netdev_get_by_index+0x5e/0x80 [ 8825.167473][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8825.167473][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8825.167473][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8825.167473][ T7704] ipv6_add_addr+0x411/0x2000 [ 8825.167473][ T7704] inet6_addr_add+0x30e/0xa40 [ 8825.167473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8825.167473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8825.167473][ T7704] netlink_rcv_skb+0x130/0x360 [ 8825.167473][ T7704] netlink_unicast+0x449/0x710 [ 8825.167473][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8825.167473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8825.167473][ T7704] ___sys_sendmsg+0xee/0x170 [ 8825.167473][ T7704] __sys_sendmsg+0xcd/0x170 [ 8825.167473][ T7704] do_syscall_64+0xc6/0x1e0 [ 8825.167473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8825.167473][ T7704] [ 8825.169720][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8825.169720][ T7704] netdev_get_by_index+0x5e/0x80 [ 8825.169720][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8825.169720][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8825.169720][ T7704] ip6_route_add+0x1c/0x140 [ 8825.169720][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8825.169720][ T7704] addrconf_add_dev+0xe2/0x170 [ 8825.169720][ T7704] inet6_addr_add+0x12f/0xa40 [ 8825.169720][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8825.169720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8825.169720][ T7704] netlink_rcv_skb+0x130/0x360 [ 8825.169720][ T7704] netlink_unicast+0x449/0x710 [ 8825.169720][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8825.169720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8825.169720][ T7704] ___sys_sendmsg+0xee/0x170 [ 8825.169720][ T7704] __sys_sendmsg+0xcd/0x170 [ 8825.169720][ T7704] do_syscall_64+0xc6/0x1e0 [ 8825.169720][ T7704] [ 8825.172435][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8825.172435][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8825.172435][ T7704] ipv6_find_idev+0x102/0x170 [ 8825.172435][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8825.172435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8825.172435][ T7704] netlink_rcv_skb+0x130/0x360 [ 8825.172435][ T7704] netlink_unicast+0x449/0x710 [ 8825.172435][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8825.172435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8825.172435][ T7704] ___sys_sendmsg+0xee/0x170 [ 8825.172435][ T7704] __sys_sendmsg+0xcd/0x170 [ 8825.172435][ T7704] do_syscall_64+0xc6/0x1e0 [ 8825.172435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8825.172435][ T7704] [ 8825.174147][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8825.174147][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8825.174147][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8825.174147][ T7704] ipv6_find_idev+0x102/0x170 [ 8825.174147][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8825.174147][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8825.174147][ T7704] netlink_rcv_skb+0x130/0x360 [ 8825.174147][ T7704] netlink_unicast+0x449/0x710 [ 8825.174147][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8825.174147][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8825.174147][ T7704] ___sys_sendmsg+0xee/0x170 [ 8825.174147][ T7704] __sys_sendmsg+0xcd/0x170 [ 8825.174147][ T7704] do_syscall_64+0xc6/0x1e0 [ 8825.174147][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8825.174147][ T7704] [ 8835.412801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8835.413274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8835.413274][ T7704] netdev_get_by_index+0x5e/0x80 [ 8835.413274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8835.413274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8835.413274][ T7704] ip6_route_add+0x1c/0x140 [ 8835.413274][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8835.413274][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8835.413274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8835.413274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8835.413274][ T7704] netlink_rcv_skb+0x130/0x360 [ 8835.413274][ T7704] netlink_unicast+0x449/0x710 [ 8835.413274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8835.413274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8835.413274][ T7704] ___sys_sendmsg+0xee/0x170 [ 8835.413274][ T7704] __sys_sendmsg+0xcd/0x170 [ 8835.413274][ T7704] do_syscall_64+0xc6/0x1e0 [ 8835.413274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8835.413274][ T7704] [ 8835.415503][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8835.415503][ T7704] netdev_get_by_index+0x5e/0x80 [ 8835.415503][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8835.415503][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8835.415503][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8835.415503][ T7704] ipv6_add_addr+0x411/0x2000 [ 8835.415503][ T7704] inet6_addr_add+0x30e/0xa40 [ 8835.415503][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8835.415503][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8835.415503][ T7704] netlink_rcv_skb+0x130/0x360 [ 8835.415503][ T7704] netlink_unicast+0x449/0x710 [ 8835.415503][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8835.415503][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8835.415503][ T7704] ___sys_sendmsg+0xee/0x170 [ 8835.415503][ T7704] __sys_sendmsg+0xcd/0x170 [ 8835.415503][ T7704] do_syscall_64+0xc6/0x1e0 [ 8835.415503][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8835.415503][ T7704] [ 8835.417709][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8835.417709][ T7704] netdev_get_by_index+0x5e/0x80 [ 8835.417709][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8835.417709][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8835.417709][ T7704] ip6_route_add+0x1c/0x140 [ 8835.417709][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8835.417709][ T7704] addrconf_add_dev+0xe2/0x170 [ 8835.417709][ T7704] inet6_addr_add+0x12f/0xa40 [ 8835.417709][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8835.417709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8835.417709][ T7704] netlink_rcv_skb+0x130/0x360 [ 8835.417709][ T7704] netlink_unicast+0x449/0x710 [ 8835.417709][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8835.417709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8835.417709][ T7704] ___sys_sendmsg+0xee/0x170 [ 8835.417709][ T7704] __sys_sendmsg+0xcd/0x170 [ 8835.417709][ T7704] do_syscall_64+0xc6/0x1e0 [ 8835.417709][ T7704] [ 8835.419932][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8835.419932][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8835.419932][ T7704] ipv6_find_idev+0x102/0x170 [ 8835.419932][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8835.419932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8835.419932][ T7704] netlink_rcv_skb+0x130/0x360 [ 8835.419932][ T7704] netlink_unicast+0x449/0x710 [ 8835.419932][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8835.419932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8835.419932][ T7704] ___sys_sendmsg+0xee/0x170 [ 8835.419932][ T7704] __sys_sendmsg+0xcd/0x170 [ 8835.419932][ T7704] do_syscall_64+0xc6/0x1e0 [ 8835.419932][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8835.419932][ T7704] [ 8835.421630][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8835.421630][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8835.421630][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8835.421630][ T7704] ipv6_find_idev+0x102/0x170 [ 8835.421630][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8835.421630][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8835.421630][ T7704] netlink_rcv_skb+0x130/0x360 [ 8835.421630][ T7704] netlink_unicast+0x449/0x710 [ 8835.421630][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8835.421630][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8835.421630][ T7704] ___sys_sendmsg+0xee/0x170 [ 8835.421630][ T7704] __sys_sendmsg+0xcd/0x170 [ 8835.421630][ T7704] do_syscall_64+0xc6/0x1e0 [ 8835.421630][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8835.421630][ T7704] [ 8845.660820][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8845.661296][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8845.661296][ T7704] netdev_get_by_index+0x5e/0x80 [ 8845.661296][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8845.661296][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8845.661296][ T7704] ip6_route_add+0x1c/0x140 [ 8845.661296][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8845.661296][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8845.661296][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8845.661296][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8845.661296][ T7704] netlink_rcv_skb+0x130/0x360 [ 8845.661296][ T7704] netlink_unicast+0x449/0x710 [ 8845.661296][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8845.661296][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8845.661296][ T7704] ___sys_sendmsg+0xee/0x170 [ 8845.661296][ T7704] __sys_sendmsg+0xcd/0x170 [ 8845.661296][ T7704] do_syscall_64+0xc6/0x1e0 [ 8845.661296][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8845.661296][ T7704] [ 8845.663552][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8845.663552][ T7704] netdev_get_by_index+0x5e/0x80 [ 8845.663552][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8845.663552][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8845.663552][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8845.663552][ T7704] ipv6_add_addr+0x411/0x2000 [ 8845.663552][ T7704] inet6_addr_add+0x30e/0xa40 [ 8845.663552][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8845.663552][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8845.663552][ T7704] netlink_rcv_skb+0x130/0x360 [ 8845.663552][ T7704] netlink_unicast+0x449/0x710 [ 8845.663552][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8845.663552][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8845.663552][ T7704] ___sys_sendmsg+0xee/0x170 [ 8845.663552][ T7704] __sys_sendmsg+0xcd/0x170 [ 8845.663552][ T7704] do_syscall_64+0xc6/0x1e0 [ 8845.663552][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8845.663552][ T7704] [ 8845.665754][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8845.665754][ T7704] netdev_get_by_index+0x5e/0x80 [ 8845.665754][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8845.665754][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8845.665754][ T7704] ip6_route_add+0x1c/0x140 [ 8845.665754][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8845.665754][ T7704] addrconf_add_dev+0xe2/0x170 [ 8845.665754][ T7704] inet6_addr_add+0x12f/0xa40 [ 8845.665754][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8845.665754][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8845.665754][ T7704] netlink_rcv_skb+0x130/0x360 [ 8845.665754][ T7704] netlink_unicast+0x449/0x710 [ 8845.665754][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8845.665754][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8845.665754][ T7704] ___sys_sendmsg+0xee/0x170 [ 8845.665754][ T7704] __sys_sendmsg+0xcd/0x170 [ 8845.665754][ T7704] do_syscall_64+0xc6/0x1e0 [ 8845.665754][ T7704] [ 8845.667921][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8845.667921][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8845.667921][ T7704] ipv6_find_idev+0x102/0x170 [ 8845.667921][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8845.667921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8845.667921][ T7704] netlink_rcv_skb+0x130/0x360 [ 8845.667921][ T7704] netlink_unicast+0x449/0x710 [ 8845.667921][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8845.667921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8845.667921][ T7704] ___sys_sendmsg+0xee/0x170 [ 8845.667921][ T7704] __sys_sendmsg+0xcd/0x170 [ 8845.667921][ T7704] do_syscall_64+0xc6/0x1e0 [ 8845.667921][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8845.667921][ T7704] [ 8845.669613][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8845.669613][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8845.669613][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8845.669613][ T7704] ipv6_find_idev+0x102/0x170 [ 8845.669613][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8845.669613][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8845.669613][ T7704] netlink_rcv_skb+0x130/0x360 [ 8845.669613][ T7704] netlink_unicast+0x449/0x710 [ 8845.669613][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8845.669613][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8845.669613][ T7704] ___sys_sendmsg+0xee/0x170 [ 8845.669613][ T7704] __sys_sendmsg+0xcd/0x170 [ 8845.669613][ T7704] do_syscall_64+0xc6/0x1e0 [ 8845.669613][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8845.669613][ T7704] [ 8855.908815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8855.909272][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8855.909272][ T7704] netdev_get_by_index+0x5e/0x80 [ 8855.909272][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8855.909272][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8855.909272][ T7704] ip6_route_add+0x1c/0x140 [ 8855.909272][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8855.909272][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8855.909272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8855.909272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8855.909272][ T7704] netlink_rcv_skb+0x130/0x360 [ 8855.909272][ T7704] netlink_unicast+0x449/0x710 [ 8855.909272][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8855.909272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8855.909272][ T7704] ___sys_sendmsg+0xee/0x170 [ 8855.909272][ T7704] __sys_sendmsg+0xcd/0x170 [ 8855.909272][ T7704] do_syscall_64+0xc6/0x1e0 [ 8855.909272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8855.909272][ T7704] [ 8855.911690][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8855.911690][ T7704] netdev_get_by_index+0x5e/0x80 [ 8855.911690][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8855.911690][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8855.911690][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8855.911690][ T7704] ipv6_add_addr+0x411/0x2000 [ 8855.911690][ T7704] inet6_addr_add+0x30e/0xa40 [ 8855.911690][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8855.911690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8855.911690][ T7704] netlink_rcv_skb+0x130/0x360 [ 8855.911690][ T7704] netlink_unicast+0x449/0x710 [ 8855.911690][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8855.911690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8855.911690][ T7704] ___sys_sendmsg+0xee/0x170 [ 8855.911690][ T7704] __sys_sendmsg+0xcd/0x170 [ 8855.911690][ T7704] do_syscall_64+0xc6/0x1e0 [ 8855.911690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8855.911690][ T7704] [ 8855.913922][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8855.913922][ T7704] netdev_get_by_index+0x5e/0x80 [ 8855.913922][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8855.913922][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8855.913922][ T7704] ip6_route_add+0x1c/0x140 [ 8855.913922][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8855.913922][ T7704] addrconf_add_dev+0xe2/0x170 [ 8855.913922][ T7704] inet6_addr_add+0x12f/0xa40 [ 8855.913922][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8855.913922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8855.913922][ T7704] netlink_rcv_skb+0x130/0x360 [ 8855.913922][ T7704] netlink_unicast+0x449/0x710 [ 8855.913922][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8855.913922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8855.913922][ T7704] ___sys_sendmsg+0xee/0x170 [ 8855.913922][ T7704] __sys_sendmsg+0xcd/0x170 [ 8855.913922][ T7704] do_syscall_64+0xc6/0x1e0 [ 8855.913922][ T7704] [ 8855.916100][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8855.916100][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8855.916100][ T7704] ipv6_find_idev+0x102/0x170 [ 8855.916100][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8855.916100][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8855.916100][ T7704] netlink_rcv_skb+0x130/0x360 [ 8855.916100][ T7704] netlink_unicast+0x449/0x710 [ 8855.916100][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8855.916100][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8855.916100][ T7704] ___sys_sendmsg+0xee/0x170 [ 8855.916100][ T7704] __sys_sendmsg+0xcd/0x170 [ 8855.916100][ T7704] do_syscall_64+0xc6/0x1e0 [ 8855.916100][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8855.916100][ T7704] [ 8855.917802][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8855.917802][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8855.917802][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8855.917802][ T7704] ipv6_find_idev+0x102/0x170 [ 8855.917802][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8855.917802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8855.917802][ T7704] netlink_rcv_skb+0x130/0x360 [ 8855.917802][ T7704] netlink_unicast+0x449/0x710 [ 8855.917802][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8855.917802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8855.917802][ T7704] ___sys_sendmsg+0xee/0x170 [ 8855.917802][ T7704] __sys_sendmsg+0xcd/0x170 [ 8855.917802][ T7704] do_syscall_64+0xc6/0x1e0 [ 8855.917802][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8855.917802][ T7704] [ 8866.156799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8866.157273][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8866.157273][ T7704] netdev_get_by_index+0x5e/0x80 [ 8866.157273][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8866.157273][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8866.157273][ T7704] ip6_route_add+0x1c/0x140 [ 8866.157273][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8866.157273][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8866.157273][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8866.157273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8866.157273][ T7704] netlink_rcv_skb+0x130/0x360 [ 8866.157273][ T7704] netlink_unicast+0x449/0x710 [ 8866.157273][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8866.157273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8866.157273][ T7704] ___sys_sendmsg+0xee/0x170 [ 8866.157273][ T7704] __sys_sendmsg+0xcd/0x170 [ 8866.157273][ T7704] do_syscall_64+0xc6/0x1e0 [ 8866.157273][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8866.157273][ T7704] [ 8866.160042][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8866.160042][ T7704] netdev_get_by_index+0x5e/0x80 [ 8866.160042][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8866.160042][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8866.160042][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8866.160042][ T7704] ipv6_add_addr+0x411/0x2000 [ 8866.160042][ T7704] inet6_addr_add+0x30e/0xa40 [ 8866.160042][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8866.160042][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8866.160042][ T7704] netlink_rcv_skb+0x130/0x360 [ 8866.160042][ T7704] netlink_unicast+0x449/0x710 [ 8866.160042][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8866.160042][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8866.160042][ T7704] ___sys_sendmsg+0xee/0x170 [ 8866.160042][ T7704] __sys_sendmsg+0xcd/0x170 [ 8866.160042][ T7704] do_syscall_64+0xc6/0x1e0 [ 8866.160042][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8866.160042][ T7704] [ 8866.162242][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8866.162242][ T7704] netdev_get_by_index+0x5e/0x80 [ 8866.162242][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8866.162242][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8866.162242][ T7704] ip6_route_add+0x1c/0x140 [ 8866.162242][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8866.162242][ T7704] addrconf_add_dev+0xe2/0x170 [ 8866.162242][ T7704] inet6_addr_add+0x12f/0xa40 [ 8866.162242][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8866.162242][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8866.162242][ T7704] netlink_rcv_skb+0x130/0x360 [ 8866.162242][ T7704] netlink_unicast+0x449/0x710 [ 8866.162242][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8866.162242][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8866.162242][ T7704] ___sys_sendmsg+0xee/0x170 [ 8866.162242][ T7704] __sys_sendmsg+0xcd/0x170 [ 8866.162242][ T7704] do_syscall_64+0xc6/0x1e0 [ 8866.162242][ T7704] [ 8866.164410][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8866.164410][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8866.164410][ T7704] ipv6_find_idev+0x102/0x170 [ 8866.164410][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8866.164410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8866.164410][ T7704] netlink_rcv_skb+0x130/0x360 [ 8866.164410][ T7704] netlink_unicast+0x449/0x710 [ 8866.164410][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8866.164410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8866.164410][ T7704] ___sys_sendmsg+0xee/0x170 [ 8866.164410][ T7704] __sys_sendmsg+0xcd/0x170 [ 8866.164410][ T7704] do_syscall_64+0xc6/0x1e0 [ 8866.164410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8866.164410][ T7704] [ 8866.166513][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8866.166513][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8866.166513][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8866.166513][ T7704] ipv6_find_idev+0x102/0x170 [ 8866.166513][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8866.166513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8866.166513][ T7704] netlink_rcv_skb+0x130/0x360 [ 8866.166513][ T7704] netlink_unicast+0x449/0x710 [ 8866.166513][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8866.166513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8866.166513][ T7704] ___sys_sendmsg+0xee/0x170 [ 8866.166513][ T7704] __sys_sendmsg+0xcd/0x170 [ 8866.166513][ T7704] do_syscall_64+0xc6/0x1e0 [ 8866.166513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8866.166513][ T7704] [ 8876.348803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8876.349274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8876.349274][ T7704] netdev_get_by_index+0x5e/0x80 [ 8876.349274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8876.349274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8876.349274][ T7704] ip6_route_add+0x1c/0x140 [ 8876.349274][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8876.349274][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8876.349274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8876.349274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8876.349274][ T7704] netlink_rcv_skb+0x130/0x360 [ 8876.349274][ T7704] netlink_unicast+0x449/0x710 [ 8876.349274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8876.349274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8876.349274][ T7704] ___sys_sendmsg+0xee/0x170 [ 8876.349274][ T7704] __sys_sendmsg+0xcd/0x170 [ 8876.349274][ T7704] do_syscall_64+0xc6/0x1e0 [ 8876.349274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8876.349274][ T7704] [ 8876.351898][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8876.351898][ T7704] netdev_get_by_index+0x5e/0x80 [ 8876.351898][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8876.351898][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8876.351898][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8876.351898][ T7704] ipv6_add_addr+0x411/0x2000 [ 8876.351898][ T7704] inet6_addr_add+0x30e/0xa40 [ 8876.351898][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8876.351898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8876.351898][ T7704] netlink_rcv_skb+0x130/0x360 [ 8876.351898][ T7704] netlink_unicast+0x449/0x710 [ 8876.351898][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8876.351898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8876.351898][ T7704] ___sys_sendmsg+0xee/0x170 [ 8876.351898][ T7704] __sys_sendmsg+0xcd/0x170 [ 8876.351898][ T7704] do_syscall_64+0xc6/0x1e0 [ 8876.351898][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8876.351898][ T7704] [ 8876.354104][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8876.354104][ T7704] netdev_get_by_index+0x5e/0x80 [ 8876.354104][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8876.354104][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8876.354104][ T7704] ip6_route_add+0x1c/0x140 [ 8876.354104][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8876.354104][ T7704] addrconf_add_dev+0xe2/0x170 [ 8876.354104][ T7704] inet6_addr_add+0x12f/0xa40 [ 8876.354104][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8876.354104][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8876.354104][ T7704] netlink_rcv_skb+0x130/0x360 [ 8876.354104][ T7704] netlink_unicast+0x449/0x710 [ 8876.354104][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8876.354104][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8876.354104][ T7704] ___sys_sendmsg+0xee/0x170 [ 8876.354104][ T7704] __sys_sendmsg+0xcd/0x170 [ 8876.354104][ T7704] do_syscall_64+0xc6/0x1e0 [ 8876.354104][ T7704] [ 8876.356278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8876.356278][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8876.356278][ T7704] ipv6_find_idev+0x102/0x170 [ 8876.356278][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8876.356278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8876.356278][ T7704] netlink_rcv_skb+0x130/0x360 [ 8876.356278][ T7704] netlink_unicast+0x449/0x710 [ 8876.356278][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8876.356278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8876.356278][ T7704] ___sys_sendmsg+0xee/0x170 [ 8876.356278][ T7704] __sys_sendmsg+0xcd/0x170 [ 8876.356278][ T7704] do_syscall_64+0xc6/0x1e0 [ 8876.356278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8876.356278][ T7704] [ 8876.357980][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8876.357980][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8876.357980][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8876.357980][ T7704] ipv6_find_idev+0x102/0x170 [ 8876.357980][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8876.357980][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8876.357980][ T7704] netlink_rcv_skb+0x130/0x360 [ 8876.357980][ T7704] netlink_unicast+0x449/0x710 [ 8876.357980][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8876.357980][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8876.357980][ T7704] ___sys_sendmsg+0xee/0x170 [ 8876.357980][ T7704] __sys_sendmsg+0xcd/0x170 [ 8876.357980][ T7704] do_syscall_64+0xc6/0x1e0 [ 8876.357980][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8876.357980][ T7704] [ 8886.540796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8886.541277][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8886.541277][ T7704] netdev_get_by_index+0x5e/0x80 [ 8886.541277][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8886.541277][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8886.541277][ T7704] ip6_route_add+0x1c/0x140 [ 8886.541277][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8886.541277][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8886.541277][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8886.541277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8886.541277][ T7704] netlink_rcv_skb+0x130/0x360 [ 8886.541277][ T7704] netlink_unicast+0x449/0x710 [ 8886.541277][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8886.541277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8886.541277][ T7704] ___sys_sendmsg+0xee/0x170 [ 8886.541277][ T7704] __sys_sendmsg+0xcd/0x170 [ 8886.541277][ T7704] do_syscall_64+0xc6/0x1e0 [ 8886.541277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8886.541277][ T7704] [ 8886.543530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8886.543530][ T7704] netdev_get_by_index+0x5e/0x80 [ 8886.543530][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8886.543530][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8886.543530][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8886.543530][ T7704] ipv6_add_addr+0x411/0x2000 [ 8886.543530][ T7704] inet6_addr_add+0x30e/0xa40 [ 8886.543530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8886.543530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8886.543530][ T7704] netlink_rcv_skb+0x130/0x360 [ 8886.543530][ T7704] netlink_unicast+0x449/0x710 [ 8886.543530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8886.543530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8886.543530][ T7704] ___sys_sendmsg+0xee/0x170 [ 8886.543530][ T7704] __sys_sendmsg+0xcd/0x170 [ 8886.543530][ T7704] do_syscall_64+0xc6/0x1e0 [ 8886.543530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8886.543530][ T7704] [ 8886.545763][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8886.545763][ T7704] netdev_get_by_index+0x5e/0x80 [ 8886.545763][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8886.545763][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8886.545763][ T7704] ip6_route_add+0x1c/0x140 [ 8886.545763][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8886.545763][ T7704] addrconf_add_dev+0xe2/0x170 [ 8886.545763][ T7704] inet6_addr_add+0x12f/0xa40 [ 8886.545763][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8886.545763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8886.545763][ T7704] netlink_rcv_skb+0x130/0x360 [ 8886.545763][ T7704] netlink_unicast+0x449/0x710 [ 8886.545763][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8886.545763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8886.545763][ T7704] ___sys_sendmsg+0xee/0x170 [ 8886.545763][ T7704] __sys_sendmsg+0xcd/0x170 [ 8886.545763][ T7704] do_syscall_64+0xc6/0x1e0 [ 8886.545763][ T7704] [ 8886.547948][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8886.547948][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8886.547948][ T7704] ipv6_find_idev+0x102/0x170 [ 8886.547948][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8886.547948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8886.547948][ T7704] netlink_rcv_skb+0x130/0x360 [ 8886.547948][ T7704] netlink_unicast+0x449/0x710 [ 8886.547948][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8886.547948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8886.547948][ T7704] ___sys_sendmsg+0xee/0x170 [ 8886.547948][ T7704] __sys_sendmsg+0xcd/0x170 [ 8886.547948][ T7704] do_syscall_64+0xc6/0x1e0 [ 8886.547948][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8886.547948][ T7704] [ 8886.549697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8886.549697][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8886.549697][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8886.549697][ T7704] ipv6_find_idev+0x102/0x170 [ 8886.549697][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8886.549697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8886.549697][ T7704] netlink_rcv_skb+0x130/0x360 [ 8886.549697][ T7704] netlink_unicast+0x449/0x710 [ 8886.549697][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8886.549697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8886.549697][ T7704] ___sys_sendmsg+0xee/0x170 [ 8886.549697][ T7704] __sys_sendmsg+0xcd/0x170 [ 8886.549697][ T7704] do_syscall_64+0xc6/0x1e0 [ 8886.549697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8886.549697][ T7704] [ 8896.604802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8896.605269][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8896.605269][ T7704] netdev_get_by_index+0x5e/0x80 [ 8896.605269][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8896.605269][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8896.605269][ T7704] ip6_route_add+0x1c/0x140 [ 8896.605269][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8896.605269][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8896.605269][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8896.605269][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8896.605269][ T7704] netlink_rcv_skb+0x130/0x360 [ 8896.605269][ T7704] netlink_unicast+0x449/0x710 [ 8896.605269][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8896.605269][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8896.605269][ T7704] ___sys_sendmsg+0xee/0x170 [ 8896.605269][ T7704] __sys_sendmsg+0xcd/0x170 [ 8896.605269][ T7704] do_syscall_64+0xc6/0x1e0 [ 8896.605269][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8896.605269][ T7704] [ 8896.607518][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8896.607518][ T7704] netdev_get_by_index+0x5e/0x80 [ 8896.607518][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8896.607518][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8896.607518][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8896.607518][ T7704] ipv6_add_addr+0x411/0x2000 [ 8896.607518][ T7704] inet6_addr_add+0x30e/0xa40 [ 8896.607518][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8896.607518][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8896.607518][ T7704] netlink_rcv_skb+0x130/0x360 [ 8896.607518][ T7704] netlink_unicast+0x449/0x710 [ 8896.607518][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8896.607518][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8896.607518][ T7704] ___sys_sendmsg+0xee/0x170 [ 8896.607518][ T7704] __sys_sendmsg+0xcd/0x170 [ 8896.607518][ T7704] do_syscall_64+0xc6/0x1e0 [ 8896.607518][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8896.607518][ T7704] [ 8896.609739][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8896.609739][ T7704] netdev_get_by_index+0x5e/0x80 [ 8896.609739][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8896.609739][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8896.609739][ T7704] ip6_route_add+0x1c/0x140 [ 8896.609739][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8896.609739][ T7704] addrconf_add_dev+0xe2/0x170 [ 8896.609739][ T7704] inet6_addr_add+0x12f/0xa40 [ 8896.609739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8896.609739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8896.609739][ T7704] netlink_rcv_skb+0x130/0x360 [ 8896.609739][ T7704] netlink_unicast+0x449/0x710 [ 8896.609739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8896.609739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8896.609739][ T7704] ___sys_sendmsg+0xee/0x170 [ 8896.609739][ T7704] __sys_sendmsg+0xcd/0x170 [ 8896.609739][ T7704] do_syscall_64+0xc6/0x1e0 [ 8896.609739][ T7704] [ 8896.611951][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8896.611951][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8896.611951][ T7704] ipv6_find_idev+0x102/0x170 [ 8896.611951][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8896.611951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8896.611951][ T7704] netlink_rcv_skb+0x130/0x360 [ 8896.611951][ T7704] netlink_unicast+0x449/0x710 [ 8896.611951][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8896.611951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8896.611951][ T7704] ___sys_sendmsg+0xee/0x170 [ 8896.611951][ T7704] __sys_sendmsg+0xcd/0x170 [ 8896.611951][ T7704] do_syscall_64+0xc6/0x1e0 [ 8896.611951][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8896.611951][ T7704] [ 8896.613648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8896.613648][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8896.613648][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8896.613648][ T7704] ipv6_find_idev+0x102/0x170 [ 8896.613648][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8896.613648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8896.613648][ T7704] netlink_rcv_skb+0x130/0x360 [ 8896.613648][ T7704] netlink_unicast+0x449/0x710 [ 8896.613648][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8896.613648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8896.613648][ T7704] ___sys_sendmsg+0xee/0x170 [ 8896.613648][ T7704] __sys_sendmsg+0xcd/0x170 [ 8896.613648][ T7704] do_syscall_64+0xc6/0x1e0 [ 8896.613648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8896.613648][ T7704] [ 8906.852796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8906.853287][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8906.853287][ T7704] netdev_get_by_index+0x5e/0x80 [ 8906.853287][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8906.853287][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8906.853287][ T7704] ip6_route_add+0x1c/0x140 [ 8906.853287][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8906.853287][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8906.853287][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8906.853287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8906.853287][ T7704] netlink_rcv_skb+0x130/0x360 [ 8906.853287][ T7704] netlink_unicast+0x449/0x710 [ 8906.853287][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8906.853287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8906.853287][ T7704] ___sys_sendmsg+0xee/0x170 [ 8906.853287][ T7704] __sys_sendmsg+0xcd/0x170 [ 8906.853287][ T7704] do_syscall_64+0xc6/0x1e0 [ 8906.853287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8906.853287][ T7704] [ 8906.855518][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8906.855518][ T7704] netdev_get_by_index+0x5e/0x80 [ 8906.855518][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8906.855518][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8906.855518][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8906.855518][ T7704] ipv6_add_addr+0x411/0x2000 [ 8906.855518][ T7704] inet6_addr_add+0x30e/0xa40 [ 8906.855518][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8906.855518][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8906.855518][ T7704] netlink_rcv_skb+0x130/0x360 [ 8906.855518][ T7704] netlink_unicast+0x449/0x710 [ 8906.855518][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8906.855518][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8906.855518][ T7704] ___sys_sendmsg+0xee/0x170 [ 8906.855518][ T7704] __sys_sendmsg+0xcd/0x170 [ 8906.855518][ T7704] do_syscall_64+0xc6/0x1e0 [ 8906.855518][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8906.855518][ T7704] [ 8906.857721][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8906.857721][ T7704] netdev_get_by_index+0x5e/0x80 [ 8906.857721][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8906.857721][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8906.857721][ T7704] ip6_route_add+0x1c/0x140 [ 8906.857721][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8906.857721][ T7704] addrconf_add_dev+0xe2/0x170 [ 8906.857721][ T7704] inet6_addr_add+0x12f/0xa40 [ 8906.857721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8906.857721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8906.857721][ T7704] netlink_rcv_skb+0x130/0x360 [ 8906.857721][ T7704] netlink_unicast+0x449/0x710 [ 8906.857721][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8906.857721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8906.857721][ T7704] ___sys_sendmsg+0xee/0x170 [ 8906.857721][ T7704] __sys_sendmsg+0xcd/0x170 [ 8906.857721][ T7704] do_syscall_64+0xc6/0x1e0 [ 8906.857721][ T7704] [ 8906.859906][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8906.859906][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8906.859906][ T7704] ipv6_find_idev+0x102/0x170 [ 8906.859906][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8906.859906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8906.859906][ T7704] netlink_rcv_skb+0x130/0x360 [ 8906.859906][ T7704] netlink_unicast+0x449/0x710 [ 8906.859906][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8906.859906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8906.859906][ T7704] ___sys_sendmsg+0xee/0x170 [ 8906.859906][ T7704] __sys_sendmsg+0xcd/0x170 [ 8906.859906][ T7704] do_syscall_64+0xc6/0x1e0 [ 8906.859906][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8906.859906][ T7704] [ 8906.861599][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8906.861599][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8906.861599][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8906.861599][ T7704] ipv6_find_idev+0x102/0x170 [ 8906.861599][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8906.861599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8906.861599][ T7704] netlink_rcv_skb+0x130/0x360 [ 8906.861599][ T7704] netlink_unicast+0x449/0x710 [ 8906.861599][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8906.861599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8906.861599][ T7704] ___sys_sendmsg+0xee/0x170 [ 8906.861599][ T7704] __sys_sendmsg+0xcd/0x170 [ 8906.861599][ T7704] do_syscall_64+0xc6/0x1e0 [ 8906.861599][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8906.861599][ T7704] [ 8917.100817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8917.101314][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8917.101314][ T7704] netdev_get_by_index+0x5e/0x80 [ 8917.101314][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8917.101314][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8917.101314][ T7704] ip6_route_add+0x1c/0x140 [ 8917.101314][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8917.101314][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8917.101314][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8917.101314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8917.101314][ T7704] netlink_rcv_skb+0x130/0x360 [ 8917.101314][ T7704] netlink_unicast+0x449/0x710 [ 8917.101314][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8917.101314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8917.101314][ T7704] ___sys_sendmsg+0xee/0x170 [ 8917.101314][ T7704] __sys_sendmsg+0xcd/0x170 [ 8917.101314][ T7704] do_syscall_64+0xc6/0x1e0 [ 8917.101314][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8917.101314][ T7704] [ 8917.103657][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8917.103657][ T7704] netdev_get_by_index+0x5e/0x80 [ 8917.103657][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8917.103657][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8917.103657][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8917.103657][ T7704] ipv6_add_addr+0x411/0x2000 [ 8917.103657][ T7704] inet6_addr_add+0x30e/0xa40 [ 8917.103657][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8917.103657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8917.103657][ T7704] netlink_rcv_skb+0x130/0x360 [ 8917.103657][ T7704] netlink_unicast+0x449/0x710 [ 8917.103657][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8917.103657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8917.103657][ T7704] ___sys_sendmsg+0xee/0x170 [ 8917.103657][ T7704] __sys_sendmsg+0xcd/0x170 [ 8917.103657][ T7704] do_syscall_64+0xc6/0x1e0 [ 8917.103657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8917.103657][ T7704] [ 8917.105866][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8917.105866][ T7704] netdev_get_by_index+0x5e/0x80 [ 8917.105866][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8917.105866][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8917.105866][ T7704] ip6_route_add+0x1c/0x140 [ 8917.105866][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8917.105866][ T7704] addrconf_add_dev+0xe2/0x170 [ 8917.105866][ T7704] inet6_addr_add+0x12f/0xa40 [ 8917.105866][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8917.105866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8917.105866][ T7704] netlink_rcv_skb+0x130/0x360 [ 8917.105866][ T7704] netlink_unicast+0x449/0x710 [ 8917.105866][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8917.105866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8917.105866][ T7704] ___sys_sendmsg+0xee/0x170 [ 8917.105866][ T7704] __sys_sendmsg+0xcd/0x170 [ 8917.105866][ T7704] do_syscall_64+0xc6/0x1e0 [ 8917.105866][ T7704] [ 8917.108034][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8917.108034][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8917.108034][ T7704] ipv6_find_idev+0x102/0x170 [ 8917.108034][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8917.108034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8917.108034][ T7704] netlink_rcv_skb+0x130/0x360 [ 8917.108034][ T7704] netlink_unicast+0x449/0x710 [ 8917.108034][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8917.108034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8917.108034][ T7704] ___sys_sendmsg+0xee/0x170 [ 8917.108034][ T7704] __sys_sendmsg+0xcd/0x170 [ 8917.108034][ T7704] do_syscall_64+0xc6/0x1e0 [ 8917.108034][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8917.108034][ T7704] [ 8917.109740][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8917.109740][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8917.109740][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8917.109740][ T7704] ipv6_find_idev+0x102/0x170 [ 8917.109740][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8917.109740][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8917.109740][ T7704] netlink_rcv_skb+0x130/0x360 [ 8917.109740][ T7704] netlink_unicast+0x449/0x710 [ 8917.109740][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8917.109740][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8917.109740][ T7704] ___sys_sendmsg+0xee/0x170 [ 8917.109740][ T7704] __sys_sendmsg+0xcd/0x170 [ 8917.109740][ T7704] do_syscall_64+0xc6/0x1e0 [ 8917.109740][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8917.109740][ T7704] [ 8927.348803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8927.349280][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8927.349280][ T7704] netdev_get_by_index+0x5e/0x80 [ 8927.349280][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8927.349280][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8927.349280][ T7704] ip6_route_add+0x1c/0x140 [ 8927.349280][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8927.349280][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8927.349280][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8927.349280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8927.349280][ T7704] netlink_rcv_skb+0x130/0x360 [ 8927.349280][ T7704] netlink_unicast+0x449/0x710 [ 8927.349280][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8927.349280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8927.349280][ T7704] ___sys_sendmsg+0xee/0x170 [ 8927.349280][ T7704] __sys_sendmsg+0xcd/0x170 [ 8927.349280][ T7704] do_syscall_64+0xc6/0x1e0 [ 8927.349280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8927.349280][ T7704] [ 8927.351519][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8927.351519][ T7704] netdev_get_by_index+0x5e/0x80 [ 8927.351519][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8927.351519][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8927.351519][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8927.351519][ T7704] ipv6_add_addr+0x411/0x2000 [ 8927.351519][ T7704] inet6_addr_add+0x30e/0xa40 [ 8927.351519][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8927.351519][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8927.351519][ T7704] netlink_rcv_skb+0x130/0x360 [ 8927.351519][ T7704] netlink_unicast+0x449/0x710 [ 8927.351519][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8927.351519][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8927.351519][ T7704] ___sys_sendmsg+0xee/0x170 [ 8927.351519][ T7704] __sys_sendmsg+0xcd/0x170 [ 8927.351519][ T7704] do_syscall_64+0xc6/0x1e0 [ 8927.351519][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8927.351519][ T7704] [ 8927.353748][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8927.353748][ T7704] netdev_get_by_index+0x5e/0x80 [ 8927.353748][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8927.353748][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8927.353748][ T7704] ip6_route_add+0x1c/0x140 [ 8927.353748][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8927.353748][ T7704] addrconf_add_dev+0xe2/0x170 [ 8927.353748][ T7704] inet6_addr_add+0x12f/0xa40 [ 8927.353748][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8927.353748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8927.353748][ T7704] netlink_rcv_skb+0x130/0x360 [ 8927.353748][ T7704] netlink_unicast+0x449/0x710 [ 8927.353748][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8927.353748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8927.353748][ T7704] ___sys_sendmsg+0xee/0x170 [ 8927.353748][ T7704] __sys_sendmsg+0xcd/0x170 [ 8927.353748][ T7704] do_syscall_64+0xc6/0x1e0 [ 8927.353748][ T7704] [ 8927.355914][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8927.355914][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8927.355914][ T7704] ipv6_find_idev+0x102/0x170 [ 8927.355914][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8927.355914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8927.355914][ T7704] netlink_rcv_skb+0x130/0x360 [ 8927.355914][ T7704] netlink_unicast+0x449/0x710 [ 8927.355914][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8927.355914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8927.355914][ T7704] ___sys_sendmsg+0xee/0x170 [ 8927.355914][ T7704] __sys_sendmsg+0xcd/0x170 [ 8927.355914][ T7704] do_syscall_64+0xc6/0x1e0 [ 8927.355914][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8927.355914][ T7704] [ 8927.357613][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8927.357613][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8927.357613][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8927.357613][ T7704] ipv6_find_idev+0x102/0x170 [ 8927.357613][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8927.357613][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8927.357613][ T7704] netlink_rcv_skb+0x130/0x360 [ 8927.357613][ T7704] netlink_unicast+0x449/0x710 [ 8927.357613][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8927.357613][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8927.357613][ T7704] ___sys_sendmsg+0xee/0x170 [ 8927.357613][ T7704] __sys_sendmsg+0xcd/0x170 [ 8927.357613][ T7704] do_syscall_64+0xc6/0x1e0 [ 8927.357613][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8927.357613][ T7704] [ 8937.604808][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8937.605288][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8937.605288][ T7704] netdev_get_by_index+0x5e/0x80 [ 8937.605288][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8937.605288][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8937.605288][ T7704] ip6_route_add+0x1c/0x140 [ 8937.605288][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8937.605288][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8937.605288][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8937.605288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8937.605288][ T7704] netlink_rcv_skb+0x130/0x360 [ 8937.605288][ T7704] netlink_unicast+0x449/0x710 [ 8937.605288][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8937.605288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8937.605288][ T7704] ___sys_sendmsg+0xee/0x170 [ 8937.605288][ T7704] __sys_sendmsg+0xcd/0x170 [ 8937.605288][ T7704] do_syscall_64+0xc6/0x1e0 [ 8937.605288][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8937.605288][ T7704] [ 8937.607504][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8937.607504][ T7704] netdev_get_by_index+0x5e/0x80 [ 8937.607504][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8937.607504][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8937.607504][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8937.607504][ T7704] ipv6_add_addr+0x411/0x2000 [ 8937.607504][ T7704] inet6_addr_add+0x30e/0xa40 [ 8937.607504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8937.607504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8937.607504][ T7704] netlink_rcv_skb+0x130/0x360 [ 8937.607504][ T7704] netlink_unicast+0x449/0x710 [ 8937.607504][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8937.607504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8937.607504][ T7704] ___sys_sendmsg+0xee/0x170 [ 8937.607504][ T7704] __sys_sendmsg+0xcd/0x170 [ 8937.607504][ T7704] do_syscall_64+0xc6/0x1e0 [ 8937.607504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8937.607504][ T7704] [ 8937.609722][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8937.609722][ T7704] netdev_get_by_index+0x5e/0x80 [ 8937.609722][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8937.609722][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8937.609722][ T7704] ip6_route_add+0x1c/0x140 [ 8937.609722][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8937.609722][ T7704] addrconf_add_dev+0xe2/0x170 [ 8937.609722][ T7704] inet6_addr_add+0x12f/0xa40 [ 8937.609722][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8937.609722][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8937.609722][ T7704] netlink_rcv_skb+0x130/0x360 [ 8937.609722][ T7704] netlink_unicast+0x449/0x710 [ 8937.609722][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8937.609722][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8937.609722][ T7704] ___sys_sendmsg+0xee/0x170 [ 8937.609722][ T7704] __sys_sendmsg+0xcd/0x170 [ 8937.609722][ T7704] do_syscall_64+0xc6/0x1e0 [ 8937.609722][ T7704] [ 8937.611882][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8937.611882][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8937.611882][ T7704] ipv6_find_idev+0x102/0x170 [ 8937.611882][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8937.611882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8937.611882][ T7704] netlink_rcv_skb+0x130/0x360 [ 8937.611882][ T7704] netlink_unicast+0x449/0x710 [ 8937.611882][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8937.611882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8937.611882][ T7704] ___sys_sendmsg+0xee/0x170 [ 8937.611882][ T7704] __sys_sendmsg+0xcd/0x170 [ 8937.611882][ T7704] do_syscall_64+0xc6/0x1e0 [ 8937.611882][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8937.611882][ T7704] [ 8937.613582][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8937.613582][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8937.613582][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8937.613582][ T7704] ipv6_find_idev+0x102/0x170 [ 8937.613582][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8937.613582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8937.613582][ T7704] netlink_rcv_skb+0x130/0x360 [ 8937.613582][ T7704] netlink_unicast+0x449/0x710 [ 8937.613582][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8937.613582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8937.613582][ T7704] ___sys_sendmsg+0xee/0x170 [ 8937.613582][ T7704] __sys_sendmsg+0xcd/0x170 [ 8937.613582][ T7704] do_syscall_64+0xc6/0x1e0 [ 8937.613582][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8937.613582][ T7704] [ 8947.852811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8947.853217][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8947.853217][ T7704] netdev_get_by_index+0x5e/0x80 [ 8947.853217][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8947.853217][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8947.853217][ T7704] ip6_route_add+0x1c/0x140 [ 8947.853217][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8947.853217][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8947.853217][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8947.853217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8947.853217][ T7704] netlink_rcv_skb+0x130/0x360 [ 8947.853217][ T7704] netlink_unicast+0x449/0x710 [ 8947.853217][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8947.853217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8947.853217][ T7704] ___sys_sendmsg+0xee/0x170 [ 8947.853217][ T7704] __sys_sendmsg+0xcd/0x170 [ 8947.853217][ T7704] do_syscall_64+0xc6/0x1e0 [ 8947.853217][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8947.853217][ T7704] [ 8947.855452][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8947.855452][ T7704] netdev_get_by_index+0x5e/0x80 [ 8947.855452][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8947.855452][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8947.855452][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8947.855452][ T7704] ipv6_add_addr+0x411/0x2000 [ 8947.855452][ T7704] inet6_addr_add+0x30e/0xa40 [ 8947.855452][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8947.855452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8947.855452][ T7704] netlink_rcv_skb+0x130/0x360 [ 8947.855452][ T7704] netlink_unicast+0x449/0x710 [ 8947.855452][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8947.855452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8947.855452][ T7704] ___sys_sendmsg+0xee/0x170 [ 8947.855452][ T7704] __sys_sendmsg+0xcd/0x170 [ 8947.855452][ T7704] do_syscall_64+0xc6/0x1e0 [ 8947.855452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8947.855452][ T7704] [ 8947.857660][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8947.857660][ T7704] netdev_get_by_index+0x5e/0x80 [ 8947.857660][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8947.857660][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8947.857660][ T7704] ip6_route_add+0x1c/0x140 [ 8947.857660][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8947.857660][ T7704] addrconf_add_dev+0xe2/0x170 [ 8947.857660][ T7704] inet6_addr_add+0x12f/0xa40 [ 8947.857660][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8947.857660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8947.857660][ T7704] netlink_rcv_skb+0x130/0x360 [ 8947.857660][ T7704] netlink_unicast+0x449/0x710 [ 8947.857660][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8947.857660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8947.857660][ T7704] ___sys_sendmsg+0xee/0x170 [ 8947.857660][ T7704] __sys_sendmsg+0xcd/0x170 [ 8947.857660][ T7704] do_syscall_64+0xc6/0x1e0 [ 8947.857660][ T7704] [ 8947.859850][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8947.859850][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8947.859850][ T7704] ipv6_find_idev+0x102/0x170 [ 8947.859850][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8947.859850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8947.859850][ T7704] netlink_rcv_skb+0x130/0x360 [ 8947.859850][ T7704] netlink_unicast+0x449/0x710 [ 8947.859850][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8947.859850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8947.859850][ T7704] ___sys_sendmsg+0xee/0x170 [ 8947.859850][ T7704] __sys_sendmsg+0xcd/0x170 [ 8947.859850][ T7704] do_syscall_64+0xc6/0x1e0 [ 8947.859850][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8947.859850][ T7704] [ 8947.862422][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8947.862422][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8947.862422][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8947.862422][ T7704] ipv6_find_idev+0x102/0x170 [ 8947.862422][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8947.862422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8947.862422][ T7704] netlink_rcv_skb+0x130/0x360 [ 8947.862422][ T7704] netlink_unicast+0x449/0x710 [ 8947.862422][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8947.862422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8947.862422][ T7704] ___sys_sendmsg+0xee/0x170 [ 8947.862422][ T7704] __sys_sendmsg+0xcd/0x170 [ 8947.862422][ T7704] do_syscall_64+0xc6/0x1e0 [ 8947.862422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8947.862422][ T7704] [ 8958.332904][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8958.333308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8958.333308][ T7704] netdev_get_by_index+0x5e/0x80 [ 8958.333308][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8958.333308][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8958.333308][ T7704] ip6_route_add+0x1c/0x140 [ 8958.333308][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8958.333308][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8958.333308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8958.333308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8958.333308][ T7704] netlink_rcv_skb+0x130/0x360 [ 8958.333308][ T7704] netlink_unicast+0x449/0x710 [ 8958.333308][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8958.333308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8958.333308][ T7704] ___sys_sendmsg+0xee/0x170 [ 8958.333308][ T7704] __sys_sendmsg+0xcd/0x170 [ 8958.333308][ T7704] do_syscall_64+0xc6/0x1e0 [ 8958.333308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8958.333308][ T7704] [ 8958.335562][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8958.335562][ T7704] netdev_get_by_index+0x5e/0x80 [ 8958.335562][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8958.335562][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8958.335562][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8958.335562][ T7704] ipv6_add_addr+0x411/0x2000 [ 8958.335562][ T7704] inet6_addr_add+0x30e/0xa40 [ 8958.335562][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8958.335562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8958.335562][ T7704] netlink_rcv_skb+0x130/0x360 [ 8958.335562][ T7704] netlink_unicast+0x449/0x710 [ 8958.335562][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8958.335562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8958.335562][ T7704] ___sys_sendmsg+0xee/0x170 [ 8958.335562][ T7704] __sys_sendmsg+0xcd/0x170 [ 8958.335562][ T7704] do_syscall_64+0xc6/0x1e0 [ 8958.335562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8958.335562][ T7704] [ 8958.337757][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8958.337757][ T7704] netdev_get_by_index+0x5e/0x80 [ 8958.337757][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8958.337757][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8958.337757][ T7704] ip6_route_add+0x1c/0x140 [ 8958.337757][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8958.337757][ T7704] addrconf_add_dev+0xe2/0x170 [ 8958.337757][ T7704] inet6_addr_add+0x12f/0xa40 [ 8958.337757][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8958.337757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8958.337757][ T7704] netlink_rcv_skb+0x130/0x360 [ 8958.337757][ T7704] netlink_unicast+0x449/0x710 [ 8958.337757][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8958.337757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8958.337757][ T7704] ___sys_sendmsg+0xee/0x170 [ 8958.337757][ T7704] __sys_sendmsg+0xcd/0x170 [ 8958.337757][ T7704] do_syscall_64+0xc6/0x1e0 [ 8958.337757][ T7704] [ 8958.339937][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8958.339937][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8958.339937][ T7704] ipv6_find_idev+0x102/0x170 [ 8958.339937][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8958.339937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8958.339937][ T7704] netlink_rcv_skb+0x130/0x360 [ 8958.339937][ T7704] netlink_unicast+0x449/0x710 [ 8958.339937][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8958.339937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8958.339937][ T7704] ___sys_sendmsg+0xee/0x170 [ 8958.339937][ T7704] __sys_sendmsg+0xcd/0x170 [ 8958.339937][ T7704] do_syscall_64+0xc6/0x1e0 [ 8958.339937][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8958.339937][ T7704] [ 8958.341642][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8958.341642][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8958.341642][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8958.341642][ T7704] ipv6_find_idev+0x102/0x170 [ 8958.341642][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8958.341642][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8958.341642][ T7704] netlink_rcv_skb+0x130/0x360 [ 8958.341642][ T7704] netlink_unicast+0x449/0x710 [ 8958.341642][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8958.341642][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8958.341642][ T7704] ___sys_sendmsg+0xee/0x170 [ 8958.341642][ T7704] __sys_sendmsg+0xcd/0x170 [ 8958.341642][ T7704] do_syscall_64+0xc6/0x1e0 [ 8958.341642][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8958.341642][ T7704] [ 8968.372811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8968.373238][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8968.373238][ T7704] netdev_get_by_index+0x5e/0x80 [ 8968.373238][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8968.373238][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8968.373238][ T7704] ip6_route_add+0x1c/0x140 [ 8968.373238][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8968.373238][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8968.373238][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8968.373238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8968.373238][ T7704] netlink_rcv_skb+0x130/0x360 [ 8968.373238][ T7704] netlink_unicast+0x449/0x710 [ 8968.373238][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8968.373238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8968.373238][ T7704] ___sys_sendmsg+0xee/0x170 [ 8968.373238][ T7704] __sys_sendmsg+0xcd/0x170 [ 8968.373238][ T7704] do_syscall_64+0xc6/0x1e0 [ 8968.373238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8968.373238][ T7704] [ 8968.375482][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8968.375482][ T7704] netdev_get_by_index+0x5e/0x80 [ 8968.375482][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8968.375482][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8968.375482][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8968.375482][ T7704] ipv6_add_addr+0x411/0x2000 [ 8968.375482][ T7704] inet6_addr_add+0x30e/0xa40 [ 8968.375482][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8968.375482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8968.375482][ T7704] netlink_rcv_skb+0x130/0x360 [ 8968.375482][ T7704] netlink_unicast+0x449/0x710 [ 8968.375482][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8968.375482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8968.375482][ T7704] ___sys_sendmsg+0xee/0x170 [ 8968.375482][ T7704] __sys_sendmsg+0xcd/0x170 [ 8968.375482][ T7704] do_syscall_64+0xc6/0x1e0 [ 8968.375482][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8968.375482][ T7704] [ 8968.377721][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8968.377721][ T7704] netdev_get_by_index+0x5e/0x80 [ 8968.377721][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8968.377721][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8968.377721][ T7704] ip6_route_add+0x1c/0x140 [ 8968.377721][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8968.377721][ T7704] addrconf_add_dev+0xe2/0x170 [ 8968.377721][ T7704] inet6_addr_add+0x12f/0xa40 [ 8968.377721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8968.377721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8968.377721][ T7704] netlink_rcv_skb+0x130/0x360 [ 8968.377721][ T7704] netlink_unicast+0x449/0x710 [ 8968.377721][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8968.377721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8968.377721][ T7704] ___sys_sendmsg+0xee/0x170 [ 8968.377721][ T7704] __sys_sendmsg+0xcd/0x170 [ 8968.377721][ T7704] do_syscall_64+0xc6/0x1e0 [ 8968.377721][ T7704] [ 8968.379924][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8968.379924][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8968.379924][ T7704] ipv6_find_idev+0x102/0x170 [ 8968.379924][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8968.379924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8968.379924][ T7704] netlink_rcv_skb+0x130/0x360 [ 8968.379924][ T7704] netlink_unicast+0x449/0x710 [ 8968.379924][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8968.379924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8968.379924][ T7704] ___sys_sendmsg+0xee/0x170 [ 8968.379924][ T7704] __sys_sendmsg+0xcd/0x170 [ 8968.379924][ T7704] do_syscall_64+0xc6/0x1e0 [ 8968.379924][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8968.379924][ T7704] [ 8968.381639][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8968.381639][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8968.381639][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8968.381639][ T7704] ipv6_find_idev+0x102/0x170 [ 8968.381639][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8968.381639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8968.381639][ T7704] netlink_rcv_skb+0x130/0x360 [ 8968.381639][ T7704] netlink_unicast+0x449/0x710 [ 8968.381639][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8968.381639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8968.381639][ T7704] ___sys_sendmsg+0xee/0x170 [ 8968.381639][ T7704] __sys_sendmsg+0xcd/0x170 [ 8968.381639][ T7704] do_syscall_64+0xc6/0x1e0 [ 8968.381639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8968.381639][ T7704] [ 8978.620737][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8978.621141][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8978.621141][ T7704] netdev_get_by_index+0x5e/0x80 [ 8978.621141][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8978.621141][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8978.621141][ T7704] ip6_route_add+0x1c/0x140 [ 8978.621141][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8978.621141][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8978.621141][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8978.621141][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8978.621141][ T7704] netlink_rcv_skb+0x130/0x360 [ 8978.621141][ T7704] netlink_unicast+0x449/0x710 [ 8978.621141][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8978.621141][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8978.621141][ T7704] ___sys_sendmsg+0xee/0x170 [ 8978.621141][ T7704] __sys_sendmsg+0xcd/0x170 [ 8978.621141][ T7704] do_syscall_64+0xc6/0x1e0 [ 8978.621141][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8978.621141][ T7704] [ 8978.623372][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8978.623372][ T7704] netdev_get_by_index+0x5e/0x80 [ 8978.623372][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8978.623372][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8978.623372][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8978.623372][ T7704] ipv6_add_addr+0x411/0x2000 [ 8978.623372][ T7704] inet6_addr_add+0x30e/0xa40 [ 8978.623372][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8978.623372][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8978.623372][ T7704] netlink_rcv_skb+0x130/0x360 [ 8978.623372][ T7704] netlink_unicast+0x449/0x710 [ 8978.623372][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8978.623372][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8978.623372][ T7704] ___sys_sendmsg+0xee/0x170 [ 8978.623372][ T7704] __sys_sendmsg+0xcd/0x170 [ 8978.623372][ T7704] do_syscall_64+0xc6/0x1e0 [ 8978.623372][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8978.623372][ T7704] [ 8978.625577][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8978.625577][ T7704] netdev_get_by_index+0x5e/0x80 [ 8978.625577][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8978.625577][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8978.625577][ T7704] ip6_route_add+0x1c/0x140 [ 8978.625577][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8978.625577][ T7704] addrconf_add_dev+0xe2/0x170 [ 8978.625577][ T7704] inet6_addr_add+0x12f/0xa40 [ 8978.625577][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8978.625577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8978.625577][ T7704] netlink_rcv_skb+0x130/0x360 [ 8978.625577][ T7704] netlink_unicast+0x449/0x710 [ 8978.625577][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8978.625577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8978.625577][ T7704] ___sys_sendmsg+0xee/0x170 [ 8978.625577][ T7704] __sys_sendmsg+0xcd/0x170 [ 8978.625577][ T7704] do_syscall_64+0xc6/0x1e0 [ 8978.625577][ T7704] [ 8978.627789][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8978.627789][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8978.627789][ T7704] ipv6_find_idev+0x102/0x170 [ 8978.627789][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8978.627789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8978.627789][ T7704] netlink_rcv_skb+0x130/0x360 [ 8978.627789][ T7704] netlink_unicast+0x449/0x710 [ 8978.627789][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8978.627789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8978.627789][ T7704] ___sys_sendmsg+0xee/0x170 [ 8978.627789][ T7704] __sys_sendmsg+0xcd/0x170 [ 8978.627789][ T7704] do_syscall_64+0xc6/0x1e0 [ 8978.627789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8978.627789][ T7704] [ 8978.629519][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8978.629519][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8978.629519][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8978.629519][ T7704] ipv6_find_idev+0x102/0x170 [ 8978.629519][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8978.629519][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8978.629519][ T7704] netlink_rcv_skb+0x130/0x360 [ 8978.629519][ T7704] netlink_unicast+0x449/0x710 [ 8978.629519][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8978.629519][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8978.629519][ T7704] ___sys_sendmsg+0xee/0x170 [ 8978.629519][ T7704] __sys_sendmsg+0xcd/0x170 [ 8978.629519][ T7704] do_syscall_64+0xc6/0x1e0 [ 8978.629519][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8978.629519][ T7704] [ 8988.884831][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8988.885322][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8988.885322][ T7704] netdev_get_by_index+0x5e/0x80 [ 8988.885322][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8988.885322][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8988.885322][ T7704] ip6_route_add+0x1c/0x140 [ 8988.885322][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8988.885322][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8988.885322][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8988.885322][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8988.885322][ T7704] netlink_rcv_skb+0x130/0x360 [ 8988.885322][ T7704] netlink_unicast+0x449/0x710 [ 8988.885322][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8988.885322][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8988.885322][ T7704] ___sys_sendmsg+0xee/0x170 [ 8988.885322][ T7704] __sys_sendmsg+0xcd/0x170 [ 8988.885322][ T7704] do_syscall_64+0xc6/0x1e0 [ 8988.885322][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8988.885322][ T7704] [ 8988.887581][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8988.887581][ T7704] netdev_get_by_index+0x5e/0x80 [ 8988.887581][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8988.887581][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8988.887581][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8988.887581][ T7704] ipv6_add_addr+0x411/0x2000 [ 8988.887581][ T7704] inet6_addr_add+0x30e/0xa40 [ 8988.887581][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8988.887581][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8988.887581][ T7704] netlink_rcv_skb+0x130/0x360 [ 8988.887581][ T7704] netlink_unicast+0x449/0x710 [ 8988.887581][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8988.887581][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8988.887581][ T7704] ___sys_sendmsg+0xee/0x170 [ 8988.887581][ T7704] __sys_sendmsg+0xcd/0x170 [ 8988.887581][ T7704] do_syscall_64+0xc6/0x1e0 [ 8988.887581][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8988.887581][ T7704] [ 8988.889822][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8988.889822][ T7704] netdev_get_by_index+0x5e/0x80 [ 8988.889822][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8988.889822][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8988.889822][ T7704] ip6_route_add+0x1c/0x140 [ 8988.889822][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8988.889822][ T7704] addrconf_add_dev+0xe2/0x170 [ 8988.889822][ T7704] inet6_addr_add+0x12f/0xa40 [ 8988.889822][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8988.889822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8988.889822][ T7704] netlink_rcv_skb+0x130/0x360 [ 8988.889822][ T7704] netlink_unicast+0x449/0x710 [ 8988.889822][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8988.889822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8988.889822][ T7704] ___sys_sendmsg+0xee/0x170 [ 8988.889822][ T7704] __sys_sendmsg+0xcd/0x170 [ 8988.889822][ T7704] do_syscall_64+0xc6/0x1e0 [ 8988.889822][ T7704] [ 8988.892014][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8988.892014][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8988.892014][ T7704] ipv6_find_idev+0x102/0x170 [ 8988.892014][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8988.892014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8988.892014][ T7704] netlink_rcv_skb+0x130/0x360 [ 8988.892014][ T7704] netlink_unicast+0x449/0x710 [ 8988.892014][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8988.892014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8988.892014][ T7704] ___sys_sendmsg+0xee/0x170 [ 8988.892014][ T7704] __sys_sendmsg+0xcd/0x170 [ 8988.892014][ T7704] do_syscall_64+0xc6/0x1e0 [ 8988.892014][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8988.892014][ T7704] [ 8988.893733][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8988.893733][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8988.893733][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8988.893733][ T7704] ipv6_find_idev+0x102/0x170 [ 8988.893733][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8988.893733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8988.893733][ T7704] netlink_rcv_skb+0x130/0x360 [ 8988.893733][ T7704] netlink_unicast+0x449/0x710 [ 8988.893733][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8988.893733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8988.893733][ T7704] ___sys_sendmsg+0xee/0x170 [ 8988.893733][ T7704] __sys_sendmsg+0xcd/0x170 [ 8988.893733][ T7704] do_syscall_64+0xc6/0x1e0 [ 8988.893733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8988.893733][ T7704] [ 8998.916793][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 8998.917279][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8998.917279][ T7704] netdev_get_by_index+0x5e/0x80 [ 8998.917279][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8998.917279][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8998.917279][ T7704] ip6_route_add+0x1c/0x140 [ 8998.917279][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 8998.917279][ T7704] inet6_addr_add+0x4f8/0xa40 [ 8998.917279][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8998.917279][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8998.917279][ T7704] netlink_rcv_skb+0x130/0x360 [ 8998.917279][ T7704] netlink_unicast+0x449/0x710 [ 8998.917279][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8998.917279][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8998.917279][ T7704] ___sys_sendmsg+0xee/0x170 [ 8998.917279][ T7704] __sys_sendmsg+0xcd/0x170 [ 8998.917279][ T7704] do_syscall_64+0xc6/0x1e0 [ 8998.917279][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8998.917279][ T7704] [ 8998.919547][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8998.919547][ T7704] netdev_get_by_index+0x5e/0x80 [ 8998.919547][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8998.919547][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8998.919547][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 8998.919547][ T7704] ipv6_add_addr+0x411/0x2000 [ 8998.919547][ T7704] inet6_addr_add+0x30e/0xa40 [ 8998.919547][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8998.919547][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8998.919547][ T7704] netlink_rcv_skb+0x130/0x360 [ 8998.919547][ T7704] netlink_unicast+0x449/0x710 [ 8998.919547][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8998.919547][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8998.919547][ T7704] ___sys_sendmsg+0xee/0x170 [ 8998.919547][ T7704] __sys_sendmsg+0xcd/0x170 [ 8998.919547][ T7704] do_syscall_64+0xc6/0x1e0 [ 8998.919547][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8998.919547][ T7704] [ 8998.921790][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8998.921790][ T7704] netdev_get_by_index+0x5e/0x80 [ 8998.921790][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 8998.921790][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 8998.921790][ T7704] ip6_route_add+0x1c/0x140 [ 8998.921790][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 8998.921790][ T7704] addrconf_add_dev+0xe2/0x170 [ 8998.921790][ T7704] inet6_addr_add+0x12f/0xa40 [ 8998.921790][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 8998.921790][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8998.921790][ T7704] netlink_rcv_skb+0x130/0x360 [ 8998.921790][ T7704] netlink_unicast+0x449/0x710 [ 8998.921790][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8998.921790][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8998.921790][ T7704] ___sys_sendmsg+0xee/0x170 [ 8998.921790][ T7704] __sys_sendmsg+0xcd/0x170 [ 8998.921790][ T7704] do_syscall_64+0xc6/0x1e0 [ 8998.921790][ T7704] [ 8998.923986][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8998.923986][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 8998.923986][ T7704] ipv6_find_idev+0x102/0x170 [ 8998.923986][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8998.923986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8998.923986][ T7704] netlink_rcv_skb+0x130/0x360 [ 8998.923986][ T7704] netlink_unicast+0x449/0x710 [ 8998.923986][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8998.923986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8998.923986][ T7704] ___sys_sendmsg+0xee/0x170 [ 8998.923986][ T7704] __sys_sendmsg+0xcd/0x170 [ 8998.923986][ T7704] do_syscall_64+0xc6/0x1e0 [ 8998.923986][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8998.923986][ T7704] [ 8998.925700][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 8998.925700][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 8998.925700][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 8998.925700][ T7704] ipv6_find_idev+0x102/0x170 [ 8998.925700][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 8998.925700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8998.925700][ T7704] netlink_rcv_skb+0x130/0x360 [ 8998.925700][ T7704] netlink_unicast+0x449/0x710 [ 8998.925700][ T7704] netlink_sendmsg+0x723/0xbe0 [ 8998.925700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 8998.925700][ T7704] ___sys_sendmsg+0xee/0x170 [ 8998.925700][ T7704] __sys_sendmsg+0xcd/0x170 [ 8998.925700][ T7704] do_syscall_64+0xc6/0x1e0 [ 8998.925700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8998.925700][ T7704] [ 9009.164814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9009.165286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9009.165286][ T7704] netdev_get_by_index+0x5e/0x80 [ 9009.165286][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9009.165286][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9009.165286][ T7704] ip6_route_add+0x1c/0x140 [ 9009.165286][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9009.165286][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9009.165286][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9009.165286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9009.165286][ T7704] netlink_rcv_skb+0x130/0x360 [ 9009.165286][ T7704] netlink_unicast+0x449/0x710 [ 9009.165286][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9009.165286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9009.165286][ T7704] ___sys_sendmsg+0xee/0x170 [ 9009.165286][ T7704] __sys_sendmsg+0xcd/0x170 [ 9009.165286][ T7704] do_syscall_64+0xc6/0x1e0 [ 9009.165286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9009.165286][ T7704] [ 9009.167513][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9009.167513][ T7704] netdev_get_by_index+0x5e/0x80 [ 9009.167513][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9009.167513][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9009.167513][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9009.167513][ T7704] ipv6_add_addr+0x411/0x2000 [ 9009.167513][ T7704] inet6_addr_add+0x30e/0xa40 [ 9009.167513][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9009.167513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9009.167513][ T7704] netlink_rcv_skb+0x130/0x360 [ 9009.167513][ T7704] netlink_unicast+0x449/0x710 [ 9009.167513][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9009.167513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9009.167513][ T7704] ___sys_sendmsg+0xee/0x170 [ 9009.167513][ T7704] __sys_sendmsg+0xcd/0x170 [ 9009.167513][ T7704] do_syscall_64+0xc6/0x1e0 [ 9009.167513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9009.167513][ T7704] [ 9009.169767][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9009.169767][ T7704] netdev_get_by_index+0x5e/0x80 [ 9009.169767][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9009.169767][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9009.169767][ T7704] ip6_route_add+0x1c/0x140 [ 9009.169767][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9009.169767][ T7704] addrconf_add_dev+0xe2/0x170 [ 9009.169767][ T7704] inet6_addr_add+0x12f/0xa40 [ 9009.169767][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9009.169767][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9009.169767][ T7704] netlink_rcv_skb+0x130/0x360 [ 9009.169767][ T7704] netlink_unicast+0x449/0x710 [ 9009.169767][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9009.169767][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9009.169767][ T7704] ___sys_sendmsg+0xee/0x170 [ 9009.169767][ T7704] __sys_sendmsg+0xcd/0x170 [ 9009.169767][ T7704] do_syscall_64+0xc6/0x1e0 [ 9009.169767][ T7704] [ 9009.171945][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9009.171945][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9009.171945][ T7704] ipv6_find_idev+0x102/0x170 [ 9009.171945][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9009.171945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9009.171945][ T7704] netlink_rcv_skb+0x130/0x360 [ 9009.171945][ T7704] netlink_unicast+0x449/0x710 [ 9009.171945][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9009.171945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9009.171945][ T7704] ___sys_sendmsg+0xee/0x170 [ 9009.171945][ T7704] __sys_sendmsg+0xcd/0x170 [ 9009.171945][ T7704] do_syscall_64+0xc6/0x1e0 [ 9009.171945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9009.171945][ T7704] [ 9009.173646][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9009.173646][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9009.173646][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9009.173646][ T7704] ipv6_find_idev+0x102/0x170 [ 9009.173646][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9009.173646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9009.173646][ T7704] netlink_rcv_skb+0x130/0x360 [ 9009.173646][ T7704] netlink_unicast+0x449/0x710 [ 9009.173646][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9009.173646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9009.173646][ T7704] ___sys_sendmsg+0xee/0x170 [ 9009.173646][ T7704] __sys_sendmsg+0xcd/0x170 [ 9009.173646][ T7704] do_syscall_64+0xc6/0x1e0 [ 9009.173646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9009.173646][ T7704] [ 9019.260798][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9019.261201][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9019.261201][ T7704] netdev_get_by_index+0x5e/0x80 [ 9019.261201][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9019.261201][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9019.261201][ T7704] ip6_route_add+0x1c/0x140 [ 9019.261201][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9019.261201][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9019.261201][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9019.261201][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9019.261201][ T7704] netlink_rcv_skb+0x130/0x360 [ 9019.261201][ T7704] netlink_unicast+0x449/0x710 [ 9019.261201][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9019.261201][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9019.261201][ T7704] ___sys_sendmsg+0xee/0x170 [ 9019.261201][ T7704] __sys_sendmsg+0xcd/0x170 [ 9019.261201][ T7704] do_syscall_64+0xc6/0x1e0 [ 9019.261201][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9019.261201][ T7704] [ 9019.263449][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9019.263449][ T7704] netdev_get_by_index+0x5e/0x80 [ 9019.263449][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9019.263449][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9019.263449][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9019.263449][ T7704] ipv6_add_addr+0x411/0x2000 [ 9019.263449][ T7704] inet6_addr_add+0x30e/0xa40 [ 9019.263449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9019.263449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9019.263449][ T7704] netlink_rcv_skb+0x130/0x360 [ 9019.263449][ T7704] netlink_unicast+0x449/0x710 [ 9019.263449][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9019.263449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9019.263449][ T7704] ___sys_sendmsg+0xee/0x170 [ 9019.263449][ T7704] __sys_sendmsg+0xcd/0x170 [ 9019.263449][ T7704] do_syscall_64+0xc6/0x1e0 [ 9019.263449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9019.263449][ T7704] [ 9019.265688][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9019.265688][ T7704] netdev_get_by_index+0x5e/0x80 [ 9019.265688][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9019.265688][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9019.265688][ T7704] ip6_route_add+0x1c/0x140 [ 9019.265688][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9019.265688][ T7704] addrconf_add_dev+0xe2/0x170 [ 9019.265688][ T7704] inet6_addr_add+0x12f/0xa40 [ 9019.265688][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9019.265688][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9019.265688][ T7704] netlink_rcv_skb+0x130/0x360 [ 9019.265688][ T7704] netlink_unicast+0x449/0x710 [ 9019.265688][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9019.265688][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9019.265688][ T7704] ___sys_sendmsg+0xee/0x170 [ 9019.265688][ T7704] __sys_sendmsg+0xcd/0x170 [ 9019.265688][ T7704] do_syscall_64+0xc6/0x1e0 [ 9019.265688][ T7704] [ 9019.267857][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9019.267857][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9019.267857][ T7704] ipv6_find_idev+0x102/0x170 [ 9019.267857][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9019.267857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9019.267857][ T7704] netlink_rcv_skb+0x130/0x360 [ 9019.267857][ T7704] netlink_unicast+0x449/0x710 [ 9019.267857][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9019.267857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9019.267857][ T7704] ___sys_sendmsg+0xee/0x170 [ 9019.267857][ T7704] __sys_sendmsg+0xcd/0x170 [ 9019.267857][ T7704] do_syscall_64+0xc6/0x1e0 [ 9019.267857][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9019.267857][ T7704] [ 9019.269712][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9019.269712][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9019.269712][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9019.269712][ T7704] ipv6_find_idev+0x102/0x170 [ 9019.269712][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9019.269712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9019.269712][ T7704] netlink_rcv_skb+0x130/0x360 [ 9019.269712][ T7704] netlink_unicast+0x449/0x710 [ 9019.269712][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9019.269712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9019.269712][ T7704] ___sys_sendmsg+0xee/0x170 [ 9019.269712][ T7704] __sys_sendmsg+0xcd/0x170 [ 9019.269712][ T7704] do_syscall_64+0xc6/0x1e0 [ 9019.269712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9019.269712][ T7704] [ 9029.508805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9029.509252][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9029.509252][ T7704] netdev_get_by_index+0x5e/0x80 [ 9029.509252][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9029.509252][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9029.509252][ T7704] ip6_route_add+0x1c/0x140 [ 9029.509252][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9029.509252][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9029.509252][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9029.509252][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9029.509252][ T7704] netlink_rcv_skb+0x130/0x360 [ 9029.509252][ T7704] netlink_unicast+0x449/0x710 [ 9029.509252][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9029.509252][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9029.509252][ T7704] ___sys_sendmsg+0xee/0x170 [ 9029.509252][ T7704] __sys_sendmsg+0xcd/0x170 [ 9029.509252][ T7704] do_syscall_64+0xc6/0x1e0 [ 9029.509252][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9029.509252][ T7704] [ 9029.511527][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9029.511527][ T7704] netdev_get_by_index+0x5e/0x80 [ 9029.511527][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9029.511527][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9029.511527][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9029.511527][ T7704] ipv6_add_addr+0x411/0x2000 [ 9029.511527][ T7704] inet6_addr_add+0x30e/0xa40 [ 9029.511527][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9029.511527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9029.511527][ T7704] netlink_rcv_skb+0x130/0x360 [ 9029.511527][ T7704] netlink_unicast+0x449/0x710 [ 9029.511527][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9029.511527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9029.511527][ T7704] ___sys_sendmsg+0xee/0x170 [ 9029.511527][ T7704] __sys_sendmsg+0xcd/0x170 [ 9029.511527][ T7704] do_syscall_64+0xc6/0x1e0 [ 9029.511527][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9029.511527][ T7704] [ 9029.513764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9029.513764][ T7704] netdev_get_by_index+0x5e/0x80 [ 9029.513764][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9029.513764][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9029.513764][ T7704] ip6_route_add+0x1c/0x140 [ 9029.513764][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9029.513764][ T7704] addrconf_add_dev+0xe2/0x170 [ 9029.513764][ T7704] inet6_addr_add+0x12f/0xa40 [ 9029.513764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9029.513764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9029.513764][ T7704] netlink_rcv_skb+0x130/0x360 [ 9029.513764][ T7704] netlink_unicast+0x449/0x710 [ 9029.513764][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9029.513764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9029.513764][ T7704] ___sys_sendmsg+0xee/0x170 [ 9029.513764][ T7704] __sys_sendmsg+0xcd/0x170 [ 9029.513764][ T7704] do_syscall_64+0xc6/0x1e0 [ 9029.513764][ T7704] [ 9029.516485][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9029.516485][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9029.516485][ T7704] ipv6_find_idev+0x102/0x170 [ 9029.516485][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9029.516485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9029.516485][ T7704] netlink_rcv_skb+0x130/0x360 [ 9029.516485][ T7704] netlink_unicast+0x449/0x710 [ 9029.516485][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9029.516485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9029.516485][ T7704] ___sys_sendmsg+0xee/0x170 [ 9029.516485][ T7704] __sys_sendmsg+0xcd/0x170 [ 9029.516485][ T7704] do_syscall_64+0xc6/0x1e0 [ 9029.516485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9029.516485][ T7704] [ 9029.518213][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9029.518213][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9029.518213][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9029.518213][ T7704] ipv6_find_idev+0x102/0x170 [ 9029.518213][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9029.518213][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9029.518213][ T7704] netlink_rcv_skb+0x130/0x360 [ 9029.518213][ T7704] netlink_unicast+0x449/0x710 [ 9029.518213][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9029.518213][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9029.518213][ T7704] ___sys_sendmsg+0xee/0x170 [ 9029.518213][ T7704] __sys_sendmsg+0xcd/0x170 [ 9029.518213][ T7704] do_syscall_64+0xc6/0x1e0 [ 9029.518213][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9029.518213][ T7704] [ 9039.612799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9039.613281][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9039.613281][ T7704] netdev_get_by_index+0x5e/0x80 [ 9039.613281][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9039.613281][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9039.613281][ T7704] ip6_route_add+0x1c/0x140 [ 9039.613281][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9039.613281][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9039.613281][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9039.613281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9039.613281][ T7704] netlink_rcv_skb+0x130/0x360 [ 9039.613281][ T7704] netlink_unicast+0x449/0x710 [ 9039.613281][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9039.613281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9039.613281][ T7704] ___sys_sendmsg+0xee/0x170 [ 9039.613281][ T7704] __sys_sendmsg+0xcd/0x170 [ 9039.613281][ T7704] do_syscall_64+0xc6/0x1e0 [ 9039.613281][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9039.613281][ T7704] [ 9039.615512][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9039.615512][ T7704] netdev_get_by_index+0x5e/0x80 [ 9039.615512][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9039.615512][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9039.615512][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9039.615512][ T7704] ipv6_add_addr+0x411/0x2000 [ 9039.615512][ T7704] inet6_addr_add+0x30e/0xa40 [ 9039.615512][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9039.615512][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9039.615512][ T7704] netlink_rcv_skb+0x130/0x360 [ 9039.615512][ T7704] netlink_unicast+0x449/0x710 [ 9039.615512][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9039.615512][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9039.615512][ T7704] ___sys_sendmsg+0xee/0x170 [ 9039.615512][ T7704] __sys_sendmsg+0xcd/0x170 [ 9039.615512][ T7704] do_syscall_64+0xc6/0x1e0 [ 9039.615512][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9039.615512][ T7704] [ 9039.617726][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9039.617726][ T7704] netdev_get_by_index+0x5e/0x80 [ 9039.617726][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9039.617726][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9039.617726][ T7704] ip6_route_add+0x1c/0x140 [ 9039.617726][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9039.617726][ T7704] addrconf_add_dev+0xe2/0x170 [ 9039.617726][ T7704] inet6_addr_add+0x12f/0xa40 [ 9039.617726][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9039.617726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9039.617726][ T7704] netlink_rcv_skb+0x130/0x360 [ 9039.617726][ T7704] netlink_unicast+0x449/0x710 [ 9039.617726][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9039.617726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9039.617726][ T7704] ___sys_sendmsg+0xee/0x170 [ 9039.617726][ T7704] __sys_sendmsg+0xcd/0x170 [ 9039.617726][ T7704] do_syscall_64+0xc6/0x1e0 [ 9039.617726][ T7704] [ 9039.619904][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9039.619904][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9039.619904][ T7704] ipv6_find_idev+0x102/0x170 [ 9039.619904][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9039.619904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9039.619904][ T7704] netlink_rcv_skb+0x130/0x360 [ 9039.619904][ T7704] netlink_unicast+0x449/0x710 [ 9039.619904][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9039.619904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9039.619904][ T7704] ___sys_sendmsg+0xee/0x170 [ 9039.619904][ T7704] __sys_sendmsg+0xcd/0x170 [ 9039.619904][ T7704] do_syscall_64+0xc6/0x1e0 [ 9039.619904][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9039.619904][ T7704] [ 9039.621607][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9039.621607][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9039.621607][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9039.621607][ T7704] ipv6_find_idev+0x102/0x170 [ 9039.621607][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9039.621607][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9039.621607][ T7704] netlink_rcv_skb+0x130/0x360 [ 9039.621607][ T7704] netlink_unicast+0x449/0x710 [ 9039.621607][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9039.621607][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9039.621607][ T7704] ___sys_sendmsg+0xee/0x170 [ 9039.621607][ T7704] __sys_sendmsg+0xcd/0x170 [ 9039.621607][ T7704] do_syscall_64+0xc6/0x1e0 [ 9039.621607][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9039.621607][ T7704] [ 9049.660801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9049.661271][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9049.661271][ T7704] netdev_get_by_index+0x5e/0x80 [ 9049.661271][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9049.661271][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9049.661271][ T7704] ip6_route_add+0x1c/0x140 [ 9049.661271][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9049.661271][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9049.661271][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9049.661271][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9049.661271][ T7704] netlink_rcv_skb+0x130/0x360 [ 9049.661271][ T7704] netlink_unicast+0x449/0x710 [ 9049.661271][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9049.661271][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9049.661271][ T7704] ___sys_sendmsg+0xee/0x170 [ 9049.661271][ T7704] __sys_sendmsg+0xcd/0x170 [ 9049.661271][ T7704] do_syscall_64+0xc6/0x1e0 [ 9049.661271][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9049.661271][ T7704] [ 9049.663508][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9049.663508][ T7704] netdev_get_by_index+0x5e/0x80 [ 9049.663508][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9049.663508][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9049.663508][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9049.663508][ T7704] ipv6_add_addr+0x411/0x2000 [ 9049.663508][ T7704] inet6_addr_add+0x30e/0xa40 [ 9049.663508][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9049.663508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9049.663508][ T7704] netlink_rcv_skb+0x130/0x360 [ 9049.663508][ T7704] netlink_unicast+0x449/0x710 [ 9049.663508][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9049.663508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9049.663508][ T7704] ___sys_sendmsg+0xee/0x170 [ 9049.663508][ T7704] __sys_sendmsg+0xcd/0x170 [ 9049.663508][ T7704] do_syscall_64+0xc6/0x1e0 [ 9049.663508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9049.663508][ T7704] [ 9049.665736][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9049.665736][ T7704] netdev_get_by_index+0x5e/0x80 [ 9049.665736][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9049.665736][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9049.665736][ T7704] ip6_route_add+0x1c/0x140 [ 9049.665736][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9049.665736][ T7704] addrconf_add_dev+0xe2/0x170 [ 9049.665736][ T7704] inet6_addr_add+0x12f/0xa40 [ 9049.665736][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9049.665736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9049.665736][ T7704] netlink_rcv_skb+0x130/0x360 [ 9049.665736][ T7704] netlink_unicast+0x449/0x710 [ 9049.665736][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9049.665736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9049.665736][ T7704] ___sys_sendmsg+0xee/0x170 [ 9049.665736][ T7704] __sys_sendmsg+0xcd/0x170 [ 9049.665736][ T7704] do_syscall_64+0xc6/0x1e0 [ 9049.665736][ T7704] [ 9049.667912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9049.667912][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9049.667912][ T7704] ipv6_find_idev+0x102/0x170 [ 9049.667912][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9049.667912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9049.667912][ T7704] netlink_rcv_skb+0x130/0x360 [ 9049.667912][ T7704] netlink_unicast+0x449/0x710 [ 9049.667912][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9049.667912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9049.667912][ T7704] ___sys_sendmsg+0xee/0x170 [ 9049.667912][ T7704] __sys_sendmsg+0xcd/0x170 [ 9049.667912][ T7704] do_syscall_64+0xc6/0x1e0 [ 9049.667912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9049.667912][ T7704] [ 9049.669630][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9049.669630][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9049.669630][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9049.669630][ T7704] ipv6_find_idev+0x102/0x170 [ 9049.669630][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9049.669630][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9049.669630][ T7704] netlink_rcv_skb+0x130/0x360 [ 9049.669630][ T7704] netlink_unicast+0x449/0x710 [ 9049.669630][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9049.669630][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9049.669630][ T7704] ___sys_sendmsg+0xee/0x170 [ 9049.669630][ T7704] __sys_sendmsg+0xcd/0x170 [ 9049.669630][ T7704] do_syscall_64+0xc6/0x1e0 [ 9049.669630][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9049.669630][ T7704] [ 9059.868806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9059.869245][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9059.869245][ T7704] netdev_get_by_index+0x5e/0x80 [ 9059.869245][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9059.869245][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9059.869245][ T7704] ip6_route_add+0x1c/0x140 [ 9059.869245][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9059.869245][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9059.869245][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9059.869245][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9059.869245][ T7704] netlink_rcv_skb+0x130/0x360 [ 9059.869245][ T7704] netlink_unicast+0x449/0x710 [ 9059.869245][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9059.869245][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9059.869245][ T7704] ___sys_sendmsg+0xee/0x170 [ 9059.869245][ T7704] __sys_sendmsg+0xcd/0x170 [ 9059.869245][ T7704] do_syscall_64+0xc6/0x1e0 [ 9059.869245][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9059.869245][ T7704] [ 9059.871485][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9059.871485][ T7704] netdev_get_by_index+0x5e/0x80 [ 9059.871485][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9059.871485][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9059.871485][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9059.871485][ T7704] ipv6_add_addr+0x411/0x2000 [ 9059.871485][ T7704] inet6_addr_add+0x30e/0xa40 [ 9059.871485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9059.871485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9059.871485][ T7704] netlink_rcv_skb+0x130/0x360 [ 9059.871485][ T7704] netlink_unicast+0x449/0x710 [ 9059.871485][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9059.871485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9059.871485][ T7704] ___sys_sendmsg+0xee/0x170 [ 9059.871485][ T7704] __sys_sendmsg+0xcd/0x170 [ 9059.871485][ T7704] do_syscall_64+0xc6/0x1e0 [ 9059.871485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9059.871485][ T7704] [ 9059.874188][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9059.874188][ T7704] netdev_get_by_index+0x5e/0x80 [ 9059.874188][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9059.874188][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9059.874188][ T7704] ip6_route_add+0x1c/0x140 [ 9059.874188][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9059.874188][ T7704] addrconf_add_dev+0xe2/0x170 [ 9059.874188][ T7704] inet6_addr_add+0x12f/0xa40 [ 9059.874188][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9059.874188][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9059.874188][ T7704] netlink_rcv_skb+0x130/0x360 [ 9059.874188][ T7704] netlink_unicast+0x449/0x710 [ 9059.874188][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9059.874188][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9059.874188][ T7704] ___sys_sendmsg+0xee/0x170 [ 9059.874188][ T7704] __sys_sendmsg+0xcd/0x170 [ 9059.874188][ T7704] do_syscall_64+0xc6/0x1e0 [ 9059.874188][ T7704] [ 9059.876348][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9059.876348][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9059.876348][ T7704] ipv6_find_idev+0x102/0x170 [ 9059.876348][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9059.876348][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9059.876348][ T7704] netlink_rcv_skb+0x130/0x360 [ 9059.876348][ T7704] netlink_unicast+0x449/0x710 [ 9059.876348][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9059.876348][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9059.876348][ T7704] ___sys_sendmsg+0xee/0x170 [ 9059.876348][ T7704] __sys_sendmsg+0xcd/0x170 [ 9059.876348][ T7704] do_syscall_64+0xc6/0x1e0 [ 9059.876348][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9059.876348][ T7704] [ 9059.878048][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9059.878048][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9059.878048][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9059.878048][ T7704] ipv6_find_idev+0x102/0x170 [ 9059.878048][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9059.878048][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9059.878048][ T7704] netlink_rcv_skb+0x130/0x360 [ 9059.878048][ T7704] netlink_unicast+0x449/0x710 [ 9059.878048][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9059.878048][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9059.878048][ T7704] ___sys_sendmsg+0xee/0x170 [ 9059.878048][ T7704] __sys_sendmsg+0xcd/0x170 [ 9059.878048][ T7704] do_syscall_64+0xc6/0x1e0 [ 9059.878048][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9059.878048][ T7704] [ 9070.332895][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9070.333308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9070.333308][ T7704] netdev_get_by_index+0x5e/0x80 [ 9070.333308][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9070.333308][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9070.333308][ T7704] ip6_route_add+0x1c/0x140 [ 9070.333308][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9070.333308][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9070.333308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9070.333308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9070.333308][ T7704] netlink_rcv_skb+0x130/0x360 [ 9070.333308][ T7704] netlink_unicast+0x449/0x710 [ 9070.333308][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9070.333308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9070.333308][ T7704] ___sys_sendmsg+0xee/0x170 [ 9070.333308][ T7704] __sys_sendmsg+0xcd/0x170 [ 9070.333308][ T7704] do_syscall_64+0xc6/0x1e0 [ 9070.333308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9070.333308][ T7704] [ 9070.335528][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9070.335528][ T7704] netdev_get_by_index+0x5e/0x80 [ 9070.335528][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9070.335528][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9070.335528][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9070.335528][ T7704] ipv6_add_addr+0x411/0x2000 [ 9070.335528][ T7704] inet6_addr_add+0x30e/0xa40 [ 9070.335528][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9070.335528][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9070.335528][ T7704] netlink_rcv_skb+0x130/0x360 [ 9070.335528][ T7704] netlink_unicast+0x449/0x710 [ 9070.335528][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9070.335528][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9070.335528][ T7704] ___sys_sendmsg+0xee/0x170 [ 9070.335528][ T7704] __sys_sendmsg+0xcd/0x170 [ 9070.335528][ T7704] do_syscall_64+0xc6/0x1e0 [ 9070.335528][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9070.335528][ T7704] [ 9070.337732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9070.337732][ T7704] netdev_get_by_index+0x5e/0x80 [ 9070.337732][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9070.337732][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9070.337732][ T7704] ip6_route_add+0x1c/0x140 [ 9070.337732][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9070.337732][ T7704] addrconf_add_dev+0xe2/0x170 [ 9070.337732][ T7704] inet6_addr_add+0x12f/0xa40 [ 9070.337732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9070.337732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9070.337732][ T7704] netlink_rcv_skb+0x130/0x360 [ 9070.337732][ T7704] netlink_unicast+0x449/0x710 [ 9070.337732][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9070.337732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9070.337732][ T7704] ___sys_sendmsg+0xee/0x170 [ 9070.337732][ T7704] __sys_sendmsg+0xcd/0x170 [ 9070.337732][ T7704] do_syscall_64+0xc6/0x1e0 [ 9070.337732][ T7704] [ 9070.339911][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9070.339911][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9070.339911][ T7704] ipv6_find_idev+0x102/0x170 [ 9070.339911][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9070.339911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9070.339911][ T7704] netlink_rcv_skb+0x130/0x360 [ 9070.339911][ T7704] netlink_unicast+0x449/0x710 [ 9070.339911][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9070.339911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9070.339911][ T7704] ___sys_sendmsg+0xee/0x170 [ 9070.339911][ T7704] __sys_sendmsg+0xcd/0x170 [ 9070.339911][ T7704] do_syscall_64+0xc6/0x1e0 [ 9070.339911][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9070.339911][ T7704] [ 9070.341608][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9070.341608][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9070.341608][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9070.341608][ T7704] ipv6_find_idev+0x102/0x170 [ 9070.341608][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9070.341608][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9070.341608][ T7704] netlink_rcv_skb+0x130/0x360 [ 9070.341608][ T7704] netlink_unicast+0x449/0x710 [ 9070.341608][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9070.341608][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9070.341608][ T7704] ___sys_sendmsg+0xee/0x170 [ 9070.341608][ T7704] __sys_sendmsg+0xcd/0x170 [ 9070.341608][ T7704] do_syscall_64+0xc6/0x1e0 [ 9070.341608][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9070.341608][ T7704] [ 9080.588827][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9080.589236][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9080.589236][ T7704] netdev_get_by_index+0x5e/0x80 [ 9080.589236][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9080.589236][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9080.589236][ T7704] ip6_route_add+0x1c/0x140 [ 9080.589236][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9080.589236][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9080.589236][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9080.589236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9080.589236][ T7704] netlink_rcv_skb+0x130/0x360 [ 9080.589236][ T7704] netlink_unicast+0x449/0x710 [ 9080.589236][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9080.589236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9080.589236][ T7704] ___sys_sendmsg+0xee/0x170 [ 9080.589236][ T7704] __sys_sendmsg+0xcd/0x170 [ 9080.589236][ T7704] do_syscall_64+0xc6/0x1e0 [ 9080.589236][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9080.589236][ T7704] [ 9080.591466][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9080.591466][ T7704] netdev_get_by_index+0x5e/0x80 [ 9080.591466][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9080.591466][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9080.591466][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9080.591466][ T7704] ipv6_add_addr+0x411/0x2000 [ 9080.591466][ T7704] inet6_addr_add+0x30e/0xa40 [ 9080.591466][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9080.591466][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9080.591466][ T7704] netlink_rcv_skb+0x130/0x360 [ 9080.591466][ T7704] netlink_unicast+0x449/0x710 [ 9080.591466][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9080.591466][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9080.591466][ T7704] ___sys_sendmsg+0xee/0x170 [ 9080.591466][ T7704] __sys_sendmsg+0xcd/0x170 [ 9080.591466][ T7704] do_syscall_64+0xc6/0x1e0 [ 9080.591466][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9080.591466][ T7704] [ 9080.593680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9080.593680][ T7704] netdev_get_by_index+0x5e/0x80 [ 9080.593680][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9080.593680][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9080.593680][ T7704] ip6_route_add+0x1c/0x140 [ 9080.593680][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9080.593680][ T7704] addrconf_add_dev+0xe2/0x170 [ 9080.593680][ T7704] inet6_addr_add+0x12f/0xa40 [ 9080.593680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9080.593680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9080.593680][ T7704] netlink_rcv_skb+0x130/0x360 [ 9080.593680][ T7704] netlink_unicast+0x449/0x710 [ 9080.593680][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9080.593680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9080.593680][ T7704] ___sys_sendmsg+0xee/0x170 [ 9080.593680][ T7704] __sys_sendmsg+0xcd/0x170 [ 9080.593680][ T7704] do_syscall_64+0xc6/0x1e0 [ 9080.593680][ T7704] [ 9080.595852][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9080.595852][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9080.595852][ T7704] ipv6_find_idev+0x102/0x170 [ 9080.595852][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9080.595852][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9080.595852][ T7704] netlink_rcv_skb+0x130/0x360 [ 9080.595852][ T7704] netlink_unicast+0x449/0x710 [ 9080.595852][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9080.595852][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9080.595852][ T7704] ___sys_sendmsg+0xee/0x170 [ 9080.595852][ T7704] __sys_sendmsg+0xcd/0x170 [ 9080.595852][ T7704] do_syscall_64+0xc6/0x1e0 [ 9080.595852][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9080.595852][ T7704] [ 9080.597552][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9080.597552][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9080.597552][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9080.597552][ T7704] ipv6_find_idev+0x102/0x170 [ 9080.597552][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9080.597552][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9080.597552][ T7704] netlink_rcv_skb+0x130/0x360 [ 9080.597552][ T7704] netlink_unicast+0x449/0x710 [ 9080.597552][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9080.597552][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9080.597552][ T7704] ___sys_sendmsg+0xee/0x170 [ 9080.597552][ T7704] __sys_sendmsg+0xcd/0x170 [ 9080.597552][ T7704] do_syscall_64+0xc6/0x1e0 [ 9080.597552][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9080.597552][ T7704] [ 9090.844795][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9090.845193][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9090.845193][ T7704] netdev_get_by_index+0x5e/0x80 [ 9090.845193][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9090.845193][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9090.845193][ T7704] ip6_route_add+0x1c/0x140 [ 9090.845193][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9090.845193][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9090.845193][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9090.845193][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9090.845193][ T7704] netlink_rcv_skb+0x130/0x360 [ 9090.845193][ T7704] netlink_unicast+0x449/0x710 [ 9090.845193][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9090.845193][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9090.845193][ T7704] ___sys_sendmsg+0xee/0x170 [ 9090.845193][ T7704] __sys_sendmsg+0xcd/0x170 [ 9090.845193][ T7704] do_syscall_64+0xc6/0x1e0 [ 9090.845193][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9090.845193][ T7704] [ 9090.847425][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9090.847425][ T7704] netdev_get_by_index+0x5e/0x80 [ 9090.847425][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9090.847425][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9090.847425][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9090.847425][ T7704] ipv6_add_addr+0x411/0x2000 [ 9090.847425][ T7704] inet6_addr_add+0x30e/0xa40 [ 9090.847425][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9090.847425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9090.847425][ T7704] netlink_rcv_skb+0x130/0x360 [ 9090.847425][ T7704] netlink_unicast+0x449/0x710 [ 9090.847425][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9090.847425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9090.847425][ T7704] ___sys_sendmsg+0xee/0x170 [ 9090.847425][ T7704] __sys_sendmsg+0xcd/0x170 [ 9090.847425][ T7704] do_syscall_64+0xc6/0x1e0 [ 9090.847425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9090.847425][ T7704] [ 9090.849635][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9090.849635][ T7704] netdev_get_by_index+0x5e/0x80 [ 9090.849635][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9090.849635][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9090.849635][ T7704] ip6_route_add+0x1c/0x140 [ 9090.849635][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9090.849635][ T7704] addrconf_add_dev+0xe2/0x170 [ 9090.849635][ T7704] inet6_addr_add+0x12f/0xa40 [ 9090.849635][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9090.849635][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9090.849635][ T7704] netlink_rcv_skb+0x130/0x360 [ 9090.849635][ T7704] netlink_unicast+0x449/0x710 [ 9090.849635][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9090.849635][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9090.849635][ T7704] ___sys_sendmsg+0xee/0x170 [ 9090.849635][ T7704] __sys_sendmsg+0xcd/0x170 [ 9090.849635][ T7704] do_syscall_64+0xc6/0x1e0 [ 9090.849635][ T7704] [ 9090.851802][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9090.851802][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9090.851802][ T7704] ipv6_find_idev+0x102/0x170 [ 9090.851802][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9090.851802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9090.851802][ T7704] netlink_rcv_skb+0x130/0x360 [ 9090.851802][ T7704] netlink_unicast+0x449/0x710 [ 9090.851802][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9090.851802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9090.851802][ T7704] ___sys_sendmsg+0xee/0x170 [ 9090.851802][ T7704] __sys_sendmsg+0xcd/0x170 [ 9090.851802][ T7704] do_syscall_64+0xc6/0x1e0 [ 9090.851802][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9090.851802][ T7704] [ 9090.853497][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9090.853497][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9090.853497][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9090.853497][ T7704] ipv6_find_idev+0x102/0x170 [ 9090.853497][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9090.853497][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9090.853497][ T7704] netlink_rcv_skb+0x130/0x360 [ 9090.853497][ T7704] netlink_unicast+0x449/0x710 [ 9090.853497][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9090.853497][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9090.853497][ T7704] ___sys_sendmsg+0xee/0x170 [ 9090.853497][ T7704] __sys_sendmsg+0xcd/0x170 [ 9090.853497][ T7704] do_syscall_64+0xc6/0x1e0 [ 9090.853497][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9090.853497][ T7704] [ 9101.100797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9101.101212][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9101.101212][ T7704] netdev_get_by_index+0x5e/0x80 [ 9101.101212][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9101.101212][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9101.101212][ T7704] ip6_route_add+0x1c/0x140 [ 9101.101212][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9101.101212][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9101.101212][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9101.101212][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9101.101212][ T7704] netlink_rcv_skb+0x130/0x360 [ 9101.101212][ T7704] netlink_unicast+0x449/0x710 [ 9101.101212][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9101.101212][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9101.101212][ T7704] ___sys_sendmsg+0xee/0x170 [ 9101.101212][ T7704] __sys_sendmsg+0xcd/0x170 [ 9101.101212][ T7704] do_syscall_64+0xc6/0x1e0 [ 9101.101212][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9101.101212][ T7704] [ 9101.103444][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9101.103444][ T7704] netdev_get_by_index+0x5e/0x80 [ 9101.103444][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9101.103444][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9101.103444][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9101.103444][ T7704] ipv6_add_addr+0x411/0x2000 [ 9101.103444][ T7704] inet6_addr_add+0x30e/0xa40 [ 9101.103444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9101.103444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9101.103444][ T7704] netlink_rcv_skb+0x130/0x360 [ 9101.103444][ T7704] netlink_unicast+0x449/0x710 [ 9101.103444][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9101.103444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9101.103444][ T7704] ___sys_sendmsg+0xee/0x170 [ 9101.103444][ T7704] __sys_sendmsg+0xcd/0x170 [ 9101.103444][ T7704] do_syscall_64+0xc6/0x1e0 [ 9101.103444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9101.103444][ T7704] [ 9101.105654][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9101.105654][ T7704] netdev_get_by_index+0x5e/0x80 [ 9101.105654][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9101.105654][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9101.105654][ T7704] ip6_route_add+0x1c/0x140 [ 9101.105654][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9101.105654][ T7704] addrconf_add_dev+0xe2/0x170 [ 9101.105654][ T7704] inet6_addr_add+0x12f/0xa40 [ 9101.105654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9101.105654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9101.105654][ T7704] netlink_rcv_skb+0x130/0x360 [ 9101.105654][ T7704] netlink_unicast+0x449/0x710 [ 9101.105654][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9101.105654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9101.105654][ T7704] ___sys_sendmsg+0xee/0x170 [ 9101.105654][ T7704] __sys_sendmsg+0xcd/0x170 [ 9101.105654][ T7704] do_syscall_64+0xc6/0x1e0 [ 9101.105654][ T7704] [ 9101.107823][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9101.107823][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9101.107823][ T7704] ipv6_find_idev+0x102/0x170 [ 9101.107823][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9101.107823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9101.107823][ T7704] netlink_rcv_skb+0x130/0x360 [ 9101.107823][ T7704] netlink_unicast+0x449/0x710 [ 9101.107823][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9101.107823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9101.107823][ T7704] ___sys_sendmsg+0xee/0x170 [ 9101.107823][ T7704] __sys_sendmsg+0xcd/0x170 [ 9101.107823][ T7704] do_syscall_64+0xc6/0x1e0 [ 9101.107823][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9101.107823][ T7704] [ 9101.109531][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9101.109531][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9101.109531][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9101.109531][ T7704] ipv6_find_idev+0x102/0x170 [ 9101.109531][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9101.109531][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9101.109531][ T7704] netlink_rcv_skb+0x130/0x360 [ 9101.109531][ T7704] netlink_unicast+0x449/0x710 [ 9101.109531][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9101.109531][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9101.109531][ T7704] ___sys_sendmsg+0xee/0x170 [ 9101.109531][ T7704] __sys_sendmsg+0xcd/0x170 [ 9101.109531][ T7704] do_syscall_64+0xc6/0x1e0 [ 9101.109531][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9101.109531][ T7704] [ 9111.356855][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9111.357265][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9111.357265][ T7704] netdev_get_by_index+0x5e/0x80 [ 9111.357265][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9111.357265][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9111.357265][ T7704] ip6_route_add+0x1c/0x140 [ 9111.357265][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9111.357265][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9111.357265][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9111.357265][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9111.357265][ T7704] netlink_rcv_skb+0x130/0x360 [ 9111.357265][ T7704] netlink_unicast+0x449/0x710 [ 9111.357265][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9111.357265][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9111.357265][ T7704] ___sys_sendmsg+0xee/0x170 [ 9111.357265][ T7704] __sys_sendmsg+0xcd/0x170 [ 9111.357265][ T7704] do_syscall_64+0xc6/0x1e0 [ 9111.357265][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9111.357265][ T7704] [ 9111.360010][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9111.360010][ T7704] netdev_get_by_index+0x5e/0x80 [ 9111.360010][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9111.360010][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9111.360010][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9111.360010][ T7704] ipv6_add_addr+0x411/0x2000 [ 9111.360010][ T7704] inet6_addr_add+0x30e/0xa40 [ 9111.360010][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9111.360010][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9111.360010][ T7704] netlink_rcv_skb+0x130/0x360 [ 9111.360010][ T7704] netlink_unicast+0x449/0x710 [ 9111.360010][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9111.360010][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9111.360010][ T7704] ___sys_sendmsg+0xee/0x170 [ 9111.360010][ T7704] __sys_sendmsg+0xcd/0x170 [ 9111.360010][ T7704] do_syscall_64+0xc6/0x1e0 [ 9111.360010][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9111.360010][ T7704] [ 9111.362218][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9111.362218][ T7704] netdev_get_by_index+0x5e/0x80 [ 9111.362218][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9111.362218][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9111.362218][ T7704] ip6_route_add+0x1c/0x140 [ 9111.362218][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9111.362218][ T7704] addrconf_add_dev+0xe2/0x170 [ 9111.362218][ T7704] inet6_addr_add+0x12f/0xa40 [ 9111.362218][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9111.362218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9111.362218][ T7704] netlink_rcv_skb+0x130/0x360 [ 9111.362218][ T7704] netlink_unicast+0x449/0x710 [ 9111.362218][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9111.362218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9111.362218][ T7704] ___sys_sendmsg+0xee/0x170 [ 9111.362218][ T7704] __sys_sendmsg+0xcd/0x170 [ 9111.362218][ T7704] do_syscall_64+0xc6/0x1e0 [ 9111.362218][ T7704] [ 9111.364389][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9111.364389][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9111.364389][ T7704] ipv6_find_idev+0x102/0x170 [ 9111.364389][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9111.364389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9111.364389][ T7704] netlink_rcv_skb+0x130/0x360 [ 9111.364389][ T7704] netlink_unicast+0x449/0x710 [ 9111.364389][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9111.364389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9111.364389][ T7704] ___sys_sendmsg+0xee/0x170 [ 9111.364389][ T7704] __sys_sendmsg+0xcd/0x170 [ 9111.364389][ T7704] do_syscall_64+0xc6/0x1e0 [ 9111.364389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9111.364389][ T7704] [ 9111.366089][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9111.366089][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9111.366089][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9111.366089][ T7704] ipv6_find_idev+0x102/0x170 [ 9111.366089][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9111.366089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9111.366089][ T7704] netlink_rcv_skb+0x130/0x360 [ 9111.366089][ T7704] netlink_unicast+0x449/0x710 [ 9111.366089][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9111.366089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9111.366089][ T7704] ___sys_sendmsg+0xee/0x170 [ 9111.366089][ T7704] __sys_sendmsg+0xcd/0x170 [ 9111.366089][ T7704] do_syscall_64+0xc6/0x1e0 [ 9111.366089][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9111.366089][ T7704] [ 9121.612798][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9121.613200][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9121.613200][ T7704] netdev_get_by_index+0x5e/0x80 [ 9121.613200][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9121.613200][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9121.613200][ T7704] ip6_route_add+0x1c/0x140 [ 9121.613200][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9121.613200][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9121.613200][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9121.613200][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9121.613200][ T7704] netlink_rcv_skb+0x130/0x360 [ 9121.613200][ T7704] netlink_unicast+0x449/0x710 [ 9121.613200][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9121.613200][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9121.613200][ T7704] ___sys_sendmsg+0xee/0x170 [ 9121.613200][ T7704] __sys_sendmsg+0xcd/0x170 [ 9121.613200][ T7704] do_syscall_64+0xc6/0x1e0 [ 9121.613200][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9121.613200][ T7704] [ 9121.615426][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9121.615426][ T7704] netdev_get_by_index+0x5e/0x80 [ 9121.615426][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9121.615426][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9121.615426][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9121.615426][ T7704] ipv6_add_addr+0x411/0x2000 [ 9121.615426][ T7704] inet6_addr_add+0x30e/0xa40 [ 9121.615426][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9121.615426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9121.615426][ T7704] netlink_rcv_skb+0x130/0x360 [ 9121.615426][ T7704] netlink_unicast+0x449/0x710 [ 9121.615426][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9121.615426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9121.615426][ T7704] ___sys_sendmsg+0xee/0x170 [ 9121.615426][ T7704] __sys_sendmsg+0xcd/0x170 [ 9121.615426][ T7704] do_syscall_64+0xc6/0x1e0 [ 9121.615426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9121.615426][ T7704] [ 9121.617623][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9121.617623][ T7704] netdev_get_by_index+0x5e/0x80 [ 9121.617623][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9121.617623][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9121.617623][ T7704] ip6_route_add+0x1c/0x140 [ 9121.617623][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9121.617623][ T7704] addrconf_add_dev+0xe2/0x170 [ 9121.617623][ T7704] inet6_addr_add+0x12f/0xa40 [ 9121.617623][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9121.617623][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9121.617623][ T7704] netlink_rcv_skb+0x130/0x360 [ 9121.617623][ T7704] netlink_unicast+0x449/0x710 [ 9121.617623][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9121.617623][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9121.617623][ T7704] ___sys_sendmsg+0xee/0x170 [ 9121.617623][ T7704] __sys_sendmsg+0xcd/0x170 [ 9121.617623][ T7704] do_syscall_64+0xc6/0x1e0 [ 9121.617623][ T7704] [ 9121.619798][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9121.619798][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9121.619798][ T7704] ipv6_find_idev+0x102/0x170 [ 9121.619798][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9121.619798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9121.619798][ T7704] netlink_rcv_skb+0x130/0x360 [ 9121.619798][ T7704] netlink_unicast+0x449/0x710 [ 9121.619798][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9121.619798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9121.619798][ T7704] ___sys_sendmsg+0xee/0x170 [ 9121.619798][ T7704] __sys_sendmsg+0xcd/0x170 [ 9121.619798][ T7704] do_syscall_64+0xc6/0x1e0 [ 9121.619798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9121.619798][ T7704] [ 9121.621501][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9121.621501][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9121.621501][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9121.621501][ T7704] ipv6_find_idev+0x102/0x170 [ 9121.621501][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9121.621501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9121.621501][ T7704] netlink_rcv_skb+0x130/0x360 [ 9121.621501][ T7704] netlink_unicast+0x449/0x710 [ 9121.621501][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9121.621501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9121.621501][ T7704] ___sys_sendmsg+0xee/0x170 [ 9121.621501][ T7704] __sys_sendmsg+0xcd/0x170 [ 9121.621501][ T7704] do_syscall_64+0xc6/0x1e0 [ 9121.621501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9121.621501][ T7704] [ 9131.748796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9131.749194][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9131.749194][ T7704] netdev_get_by_index+0x5e/0x80 [ 9131.749194][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9131.749194][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9131.749194][ T7704] ip6_route_add+0x1c/0x140 [ 9131.749194][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9131.749194][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9131.749194][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9131.749194][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9131.749194][ T7704] netlink_rcv_skb+0x130/0x360 [ 9131.749194][ T7704] netlink_unicast+0x449/0x710 [ 9131.749194][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9131.749194][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9131.749194][ T7704] ___sys_sendmsg+0xee/0x170 [ 9131.749194][ T7704] __sys_sendmsg+0xcd/0x170 [ 9131.749194][ T7704] do_syscall_64+0xc6/0x1e0 [ 9131.749194][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9131.749194][ T7704] [ 9131.751428][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9131.751428][ T7704] netdev_get_by_index+0x5e/0x80 [ 9131.751428][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9131.751428][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9131.751428][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9131.751428][ T7704] ipv6_add_addr+0x411/0x2000 [ 9131.751428][ T7704] inet6_addr_add+0x30e/0xa40 [ 9131.751428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9131.751428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9131.751428][ T7704] netlink_rcv_skb+0x130/0x360 [ 9131.751428][ T7704] netlink_unicast+0x449/0x710 [ 9131.751428][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9131.751428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9131.751428][ T7704] ___sys_sendmsg+0xee/0x170 [ 9131.751428][ T7704] __sys_sendmsg+0xcd/0x170 [ 9131.751428][ T7704] do_syscall_64+0xc6/0x1e0 [ 9131.751428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9131.751428][ T7704] [ 9131.753727][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9131.753727][ T7704] netdev_get_by_index+0x5e/0x80 [ 9131.753727][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9131.753727][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9131.753727][ T7704] ip6_route_add+0x1c/0x140 [ 9131.753727][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9131.753727][ T7704] addrconf_add_dev+0xe2/0x170 [ 9131.753727][ T7704] inet6_addr_add+0x12f/0xa40 [ 9131.753727][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9131.753727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9131.753727][ T7704] netlink_rcv_skb+0x130/0x360 [ 9131.753727][ T7704] netlink_unicast+0x449/0x710 [ 9131.753727][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9131.753727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9131.753727][ T7704] ___sys_sendmsg+0xee/0x170 [ 9131.753727][ T7704] __sys_sendmsg+0xcd/0x170 [ 9131.753727][ T7704] do_syscall_64+0xc6/0x1e0 [ 9131.753727][ T7704] [ 9131.755894][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9131.755894][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9131.755894][ T7704] ipv6_find_idev+0x102/0x170 [ 9131.755894][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9131.755894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9131.755894][ T7704] netlink_rcv_skb+0x130/0x360 [ 9131.755894][ T7704] netlink_unicast+0x449/0x710 [ 9131.755894][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9131.755894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9131.755894][ T7704] ___sys_sendmsg+0xee/0x170 [ 9131.755894][ T7704] __sys_sendmsg+0xcd/0x170 [ 9131.755894][ T7704] do_syscall_64+0xc6/0x1e0 [ 9131.755894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9131.755894][ T7704] [ 9131.757587][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9131.757587][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9131.757587][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9131.757587][ T7704] ipv6_find_idev+0x102/0x170 [ 9131.757587][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9131.757587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9131.757587][ T7704] netlink_rcv_skb+0x130/0x360 [ 9131.757587][ T7704] netlink_unicast+0x449/0x710 [ 9131.757587][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9131.757587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9131.757587][ T7704] ___sys_sendmsg+0xee/0x170 [ 9131.757587][ T7704] __sys_sendmsg+0xcd/0x170 [ 9131.757587][ T7704] do_syscall_64+0xc6/0x1e0 [ 9131.757587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9131.757587][ T7704] [ 9142.012801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9142.013294][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9142.013294][ T7704] netdev_get_by_index+0x5e/0x80 [ 9142.013294][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9142.013294][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9142.013294][ T7704] ip6_route_add+0x1c/0x140 [ 9142.013294][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9142.013294][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9142.013294][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9142.013294][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9142.013294][ T7704] netlink_rcv_skb+0x130/0x360 [ 9142.013294][ T7704] netlink_unicast+0x449/0x710 [ 9142.013294][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9142.013294][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9142.013294][ T7704] ___sys_sendmsg+0xee/0x170 [ 9142.013294][ T7704] __sys_sendmsg+0xcd/0x170 [ 9142.013294][ T7704] do_syscall_64+0xc6/0x1e0 [ 9142.013294][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9142.013294][ T7704] [ 9142.015554][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9142.015554][ T7704] netdev_get_by_index+0x5e/0x80 [ 9142.015554][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9142.015554][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9142.015554][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9142.015554][ T7704] ipv6_add_addr+0x411/0x2000 [ 9142.015554][ T7704] inet6_addr_add+0x30e/0xa40 [ 9142.015554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9142.015554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9142.015554][ T7704] netlink_rcv_skb+0x130/0x360 [ 9142.015554][ T7704] netlink_unicast+0x449/0x710 [ 9142.015554][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9142.015554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9142.015554][ T7704] ___sys_sendmsg+0xee/0x170 [ 9142.015554][ T7704] __sys_sendmsg+0xcd/0x170 [ 9142.015554][ T7704] do_syscall_64+0xc6/0x1e0 [ 9142.015554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9142.015554][ T7704] [ 9142.017788][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9142.017788][ T7704] netdev_get_by_index+0x5e/0x80 [ 9142.017788][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9142.017788][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9142.017788][ T7704] ip6_route_add+0x1c/0x140 [ 9142.017788][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9142.017788][ T7704] addrconf_add_dev+0xe2/0x170 [ 9142.017788][ T7704] inet6_addr_add+0x12f/0xa40 [ 9142.017788][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9142.017788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9142.017788][ T7704] netlink_rcv_skb+0x130/0x360 [ 9142.017788][ T7704] netlink_unicast+0x449/0x710 [ 9142.017788][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9142.017788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9142.017788][ T7704] ___sys_sendmsg+0xee/0x170 [ 9142.017788][ T7704] __sys_sendmsg+0xcd/0x170 [ 9142.017788][ T7704] do_syscall_64+0xc6/0x1e0 [ 9142.017788][ T7704] [ 9142.019986][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9142.019986][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9142.019986][ T7704] ipv6_find_idev+0x102/0x170 [ 9142.019986][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9142.019986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9142.019986][ T7704] netlink_rcv_skb+0x130/0x360 [ 9142.019986][ T7704] netlink_unicast+0x449/0x710 [ 9142.019986][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9142.019986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9142.019986][ T7704] ___sys_sendmsg+0xee/0x170 [ 9142.019986][ T7704] __sys_sendmsg+0xcd/0x170 [ 9142.019986][ T7704] do_syscall_64+0xc6/0x1e0 [ 9142.019986][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9142.019986][ T7704] [ 9142.021695][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9142.021695][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9142.021695][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9142.021695][ T7704] ipv6_find_idev+0x102/0x170 [ 9142.021695][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9142.021695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9142.021695][ T7704] netlink_rcv_skb+0x130/0x360 [ 9142.021695][ T7704] netlink_unicast+0x449/0x710 [ 9142.021695][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9142.021695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9142.021695][ T7704] ___sys_sendmsg+0xee/0x170 [ 9142.021695][ T7704] __sys_sendmsg+0xcd/0x170 [ 9142.021695][ T7704] do_syscall_64+0xc6/0x1e0 [ 9142.021695][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9142.021695][ T7704] [ 9152.260802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9152.261280][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9152.261280][ T7704] netdev_get_by_index+0x5e/0x80 [ 9152.261280][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9152.261280][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9152.261280][ T7704] ip6_route_add+0x1c/0x140 [ 9152.261280][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9152.261280][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9152.261280][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9152.261280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9152.261280][ T7704] netlink_rcv_skb+0x130/0x360 [ 9152.261280][ T7704] netlink_unicast+0x449/0x710 [ 9152.261280][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9152.261280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9152.261280][ T7704] ___sys_sendmsg+0xee/0x170 [ 9152.261280][ T7704] __sys_sendmsg+0xcd/0x170 [ 9152.261280][ T7704] do_syscall_64+0xc6/0x1e0 [ 9152.261280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9152.261280][ T7704] [ 9152.263502][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9152.263502][ T7704] netdev_get_by_index+0x5e/0x80 [ 9152.263502][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9152.263502][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9152.263502][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9152.263502][ T7704] ipv6_add_addr+0x411/0x2000 [ 9152.263502][ T7704] inet6_addr_add+0x30e/0xa40 [ 9152.263502][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9152.263502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9152.263502][ T7704] netlink_rcv_skb+0x130/0x360 [ 9152.263502][ T7704] netlink_unicast+0x449/0x710 [ 9152.263502][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9152.263502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9152.263502][ T7704] ___sys_sendmsg+0xee/0x170 [ 9152.263502][ T7704] __sys_sendmsg+0xcd/0x170 [ 9152.263502][ T7704] do_syscall_64+0xc6/0x1e0 [ 9152.263502][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9152.263502][ T7704] [ 9152.265707][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9152.265707][ T7704] netdev_get_by_index+0x5e/0x80 [ 9152.265707][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9152.265707][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9152.265707][ T7704] ip6_route_add+0x1c/0x140 [ 9152.265707][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9152.265707][ T7704] addrconf_add_dev+0xe2/0x170 [ 9152.265707][ T7704] inet6_addr_add+0x12f/0xa40 [ 9152.265707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9152.265707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9152.265707][ T7704] netlink_rcv_skb+0x130/0x360 [ 9152.265707][ T7704] netlink_unicast+0x449/0x710 [ 9152.265707][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9152.265707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9152.265707][ T7704] ___sys_sendmsg+0xee/0x170 [ 9152.265707][ T7704] __sys_sendmsg+0xcd/0x170 [ 9152.265707][ T7704] do_syscall_64+0xc6/0x1e0 [ 9152.265707][ T7704] [ 9152.267878][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9152.267878][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9152.267878][ T7704] ipv6_find_idev+0x102/0x170 [ 9152.267878][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9152.267878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9152.267878][ T7704] netlink_rcv_skb+0x130/0x360 [ 9152.267878][ T7704] netlink_unicast+0x449/0x710 [ 9152.267878][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9152.267878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9152.267878][ T7704] ___sys_sendmsg+0xee/0x170 [ 9152.267878][ T7704] __sys_sendmsg+0xcd/0x170 [ 9152.267878][ T7704] do_syscall_64+0xc6/0x1e0 [ 9152.267878][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9152.267878][ T7704] [ 9152.269615][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9152.269615][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9152.269615][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9152.269615][ T7704] ipv6_find_idev+0x102/0x170 [ 9152.269615][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9152.269615][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9152.269615][ T7704] netlink_rcv_skb+0x130/0x360 [ 9152.269615][ T7704] netlink_unicast+0x449/0x710 [ 9152.269615][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9152.269615][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9152.269615][ T7704] ___sys_sendmsg+0xee/0x170 [ 9152.269615][ T7704] __sys_sendmsg+0xcd/0x170 [ 9152.269615][ T7704] do_syscall_64+0xc6/0x1e0 [ 9152.269615][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9152.269615][ T7704] [ 9162.508745][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9162.509167][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9162.509167][ T7704] netdev_get_by_index+0x5e/0x80 [ 9162.509167][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9162.509167][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9162.509167][ T7704] ip6_route_add+0x1c/0x140 [ 9162.509167][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9162.509167][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9162.509167][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9162.509167][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9162.509167][ T7704] netlink_rcv_skb+0x130/0x360 [ 9162.509167][ T7704] netlink_unicast+0x449/0x710 [ 9162.509167][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9162.509167][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9162.509167][ T7704] ___sys_sendmsg+0xee/0x170 [ 9162.509167][ T7704] __sys_sendmsg+0xcd/0x170 [ 9162.509167][ T7704] do_syscall_64+0xc6/0x1e0 [ 9162.509167][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9162.509167][ T7704] [ 9162.511470][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9162.511470][ T7704] netdev_get_by_index+0x5e/0x80 [ 9162.511470][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9162.511470][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9162.511470][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9162.511470][ T7704] ipv6_add_addr+0x411/0x2000 [ 9162.511470][ T7704] inet6_addr_add+0x30e/0xa40 [ 9162.511470][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9162.511470][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9162.511470][ T7704] netlink_rcv_skb+0x130/0x360 [ 9162.511470][ T7704] netlink_unicast+0x449/0x710 [ 9162.511470][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9162.511470][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9162.511470][ T7704] ___sys_sendmsg+0xee/0x170 [ 9162.511470][ T7704] __sys_sendmsg+0xcd/0x170 [ 9162.511470][ T7704] do_syscall_64+0xc6/0x1e0 [ 9162.511470][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9162.511470][ T7704] [ 9162.513684][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9162.513684][ T7704] netdev_get_by_index+0x5e/0x80 [ 9162.513684][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9162.513684][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9162.513684][ T7704] ip6_route_add+0x1c/0x140 [ 9162.513684][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9162.513684][ T7704] addrconf_add_dev+0xe2/0x170 [ 9162.513684][ T7704] inet6_addr_add+0x12f/0xa40 [ 9162.513684][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9162.513684][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9162.513684][ T7704] netlink_rcv_skb+0x130/0x360 [ 9162.513684][ T7704] netlink_unicast+0x449/0x710 [ 9162.513684][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9162.513684][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9162.513684][ T7704] ___sys_sendmsg+0xee/0x170 [ 9162.513684][ T7704] __sys_sendmsg+0xcd/0x170 [ 9162.513684][ T7704] do_syscall_64+0xc6/0x1e0 [ 9162.513684][ T7704] [ 9162.515856][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9162.515856][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9162.515856][ T7704] ipv6_find_idev+0x102/0x170 [ 9162.515856][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9162.515856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9162.515856][ T7704] netlink_rcv_skb+0x130/0x360 [ 9162.515856][ T7704] netlink_unicast+0x449/0x710 [ 9162.515856][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9162.515856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9162.515856][ T7704] ___sys_sendmsg+0xee/0x170 [ 9162.515856][ T7704] __sys_sendmsg+0xcd/0x170 [ 9162.515856][ T7704] do_syscall_64+0xc6/0x1e0 [ 9162.515856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9162.515856][ T7704] [ 9162.517560][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9162.517560][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9162.517560][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9162.517560][ T7704] ipv6_find_idev+0x102/0x170 [ 9162.517560][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9162.517560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9162.517560][ T7704] netlink_rcv_skb+0x130/0x360 [ 9162.517560][ T7704] netlink_unicast+0x449/0x710 [ 9162.517560][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9162.517560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9162.517560][ T7704] ___sys_sendmsg+0xee/0x170 [ 9162.517560][ T7704] __sys_sendmsg+0xcd/0x170 [ 9162.517560][ T7704] do_syscall_64+0xc6/0x1e0 [ 9162.517560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9162.517560][ T7704] [ 9172.604824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9172.605226][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9172.605226][ T7704] netdev_get_by_index+0x5e/0x80 [ 9172.605226][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9172.605226][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9172.605226][ T7704] ip6_route_add+0x1c/0x140 [ 9172.605226][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9172.605226][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9172.605226][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9172.605226][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9172.605226][ T7704] netlink_rcv_skb+0x130/0x360 [ 9172.605226][ T7704] netlink_unicast+0x449/0x710 [ 9172.605226][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9172.605226][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9172.605226][ T7704] ___sys_sendmsg+0xee/0x170 [ 9172.605226][ T7704] __sys_sendmsg+0xcd/0x170 [ 9172.605226][ T7704] do_syscall_64+0xc6/0x1e0 [ 9172.605226][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9172.605226][ T7704] [ 9172.607459][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9172.607459][ T7704] netdev_get_by_index+0x5e/0x80 [ 9172.607459][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9172.607459][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9172.607459][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9172.607459][ T7704] ipv6_add_addr+0x411/0x2000 [ 9172.607459][ T7704] inet6_addr_add+0x30e/0xa40 [ 9172.607459][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9172.607459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9172.607459][ T7704] netlink_rcv_skb+0x130/0x360 [ 9172.607459][ T7704] netlink_unicast+0x449/0x710 [ 9172.607459][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9172.607459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9172.607459][ T7704] ___sys_sendmsg+0xee/0x170 [ 9172.607459][ T7704] __sys_sendmsg+0xcd/0x170 [ 9172.607459][ T7704] do_syscall_64+0xc6/0x1e0 [ 9172.607459][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9172.607459][ T7704] [ 9172.609753][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9172.609753][ T7704] netdev_get_by_index+0x5e/0x80 [ 9172.609753][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9172.609753][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9172.609753][ T7704] ip6_route_add+0x1c/0x140 [ 9172.609753][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9172.609753][ T7704] addrconf_add_dev+0xe2/0x170 [ 9172.609753][ T7704] inet6_addr_add+0x12f/0xa40 [ 9172.609753][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9172.609753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9172.609753][ T7704] netlink_rcv_skb+0x130/0x360 [ 9172.609753][ T7704] netlink_unicast+0x449/0x710 [ 9172.609753][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9172.609753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9172.609753][ T7704] ___sys_sendmsg+0xee/0x170 [ 9172.609753][ T7704] __sys_sendmsg+0xcd/0x170 [ 9172.609753][ T7704] do_syscall_64+0xc6/0x1e0 [ 9172.609753][ T7704] [ 9172.611915][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9172.611915][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9172.611915][ T7704] ipv6_find_idev+0x102/0x170 [ 9172.611915][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9172.611915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9172.611915][ T7704] netlink_rcv_skb+0x130/0x360 [ 9172.611915][ T7704] netlink_unicast+0x449/0x710 [ 9172.611915][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9172.611915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9172.611915][ T7704] ___sys_sendmsg+0xee/0x170 [ 9172.611915][ T7704] __sys_sendmsg+0xcd/0x170 [ 9172.611915][ T7704] do_syscall_64+0xc6/0x1e0 [ 9172.611915][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9172.611915][ T7704] [ 9172.613614][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9172.613614][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9172.613614][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9172.613614][ T7704] ipv6_find_idev+0x102/0x170 [ 9172.613614][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9172.613614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9172.613614][ T7704] netlink_rcv_skb+0x130/0x360 [ 9172.613614][ T7704] netlink_unicast+0x449/0x710 [ 9172.613614][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9172.613614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9172.613614][ T7704] ___sys_sendmsg+0xee/0x170 [ 9172.613614][ T7704] __sys_sendmsg+0xcd/0x170 [ 9172.613614][ T7704] do_syscall_64+0xc6/0x1e0 [ 9172.613614][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9172.613614][ T7704] [ 9182.844794][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9182.845205][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9182.845205][ T7704] netdev_get_by_index+0x5e/0x80 [ 9182.845205][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9182.845205][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9182.845205][ T7704] ip6_route_add+0x1c/0x140 [ 9182.845205][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9182.845205][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9182.845205][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9182.845205][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9182.845205][ T7704] netlink_rcv_skb+0x130/0x360 [ 9182.845205][ T7704] netlink_unicast+0x449/0x710 [ 9182.845205][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9182.845205][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9182.845205][ T7704] ___sys_sendmsg+0xee/0x170 [ 9182.845205][ T7704] __sys_sendmsg+0xcd/0x170 [ 9182.845205][ T7704] do_syscall_64+0xc6/0x1e0 [ 9182.845205][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9182.845205][ T7704] [ 9182.847431][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9182.847431][ T7704] netdev_get_by_index+0x5e/0x80 [ 9182.847431][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9182.847431][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9182.847431][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9182.847431][ T7704] ipv6_add_addr+0x411/0x2000 [ 9182.847431][ T7704] inet6_addr_add+0x30e/0xa40 [ 9182.847431][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9182.847431][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9182.847431][ T7704] netlink_rcv_skb+0x130/0x360 [ 9182.847431][ T7704] netlink_unicast+0x449/0x710 [ 9182.847431][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9182.847431][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9182.847431][ T7704] ___sys_sendmsg+0xee/0x170 [ 9182.847431][ T7704] __sys_sendmsg+0xcd/0x170 [ 9182.847431][ T7704] do_syscall_64+0xc6/0x1e0 [ 9182.847431][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9182.847431][ T7704] [ 9182.849654][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9182.849654][ T7704] netdev_get_by_index+0x5e/0x80 [ 9182.849654][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9182.849654][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9182.849654][ T7704] ip6_route_add+0x1c/0x140 [ 9182.849654][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9182.849654][ T7704] addrconf_add_dev+0xe2/0x170 [ 9182.849654][ T7704] inet6_addr_add+0x12f/0xa40 [ 9182.849654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9182.849654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9182.849654][ T7704] netlink_rcv_skb+0x130/0x360 [ 9182.849654][ T7704] netlink_unicast+0x449/0x710 [ 9182.849654][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9182.849654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9182.849654][ T7704] ___sys_sendmsg+0xee/0x170 [ 9182.849654][ T7704] __sys_sendmsg+0xcd/0x170 [ 9182.849654][ T7704] do_syscall_64+0xc6/0x1e0 [ 9182.849654][ T7704] [ 9182.851819][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9182.851819][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9182.851819][ T7704] ipv6_find_idev+0x102/0x170 [ 9182.851819][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9182.851819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9182.851819][ T7704] netlink_rcv_skb+0x130/0x360 [ 9182.851819][ T7704] netlink_unicast+0x449/0x710 [ 9182.851819][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9182.851819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9182.851819][ T7704] ___sys_sendmsg+0xee/0x170 [ 9182.851819][ T7704] __sys_sendmsg+0xcd/0x170 [ 9182.851819][ T7704] do_syscall_64+0xc6/0x1e0 [ 9182.851819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9182.851819][ T7704] [ 9182.853514][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9182.853514][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9182.853514][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9182.853514][ T7704] ipv6_find_idev+0x102/0x170 [ 9182.853514][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9182.853514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9182.853514][ T7704] netlink_rcv_skb+0x130/0x360 [ 9182.853514][ T7704] netlink_unicast+0x449/0x710 [ 9182.853514][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9182.853514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9182.853514][ T7704] ___sys_sendmsg+0xee/0x170 [ 9182.853514][ T7704] __sys_sendmsg+0xcd/0x170 [ 9182.853514][ T7704] do_syscall_64+0xc6/0x1e0 [ 9182.853514][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9182.853514][ T7704] [ 9193.108803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9193.109213][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9193.109213][ T7704] netdev_get_by_index+0x5e/0x80 [ 9193.109213][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9193.109213][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9193.109213][ T7704] ip6_route_add+0x1c/0x140 [ 9193.109213][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9193.109213][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9193.109213][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9193.109213][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9193.109213][ T7704] netlink_rcv_skb+0x130/0x360 [ 9193.109213][ T7704] netlink_unicast+0x449/0x710 [ 9193.109213][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9193.109213][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9193.109213][ T7704] ___sys_sendmsg+0xee/0x170 [ 9193.109213][ T7704] __sys_sendmsg+0xcd/0x170 [ 9193.109213][ T7704] do_syscall_64+0xc6/0x1e0 [ 9193.109213][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9193.109213][ T7704] [ 9193.111449][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9193.111449][ T7704] netdev_get_by_index+0x5e/0x80 [ 9193.111449][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9193.111449][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9193.111449][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9193.111449][ T7704] ipv6_add_addr+0x411/0x2000 [ 9193.111449][ T7704] inet6_addr_add+0x30e/0xa40 [ 9193.111449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9193.111449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9193.111449][ T7704] netlink_rcv_skb+0x130/0x360 [ 9193.111449][ T7704] netlink_unicast+0x449/0x710 [ 9193.111449][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9193.111449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9193.111449][ T7704] ___sys_sendmsg+0xee/0x170 [ 9193.111449][ T7704] __sys_sendmsg+0xcd/0x170 [ 9193.111449][ T7704] do_syscall_64+0xc6/0x1e0 [ 9193.111449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9193.111449][ T7704] [ 9193.113667][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9193.113667][ T7704] netdev_get_by_index+0x5e/0x80 [ 9193.113667][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9193.113667][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9193.113667][ T7704] ip6_route_add+0x1c/0x140 [ 9193.113667][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9193.113667][ T7704] addrconf_add_dev+0xe2/0x170 [ 9193.113667][ T7704] inet6_addr_add+0x12f/0xa40 [ 9193.113667][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9193.113667][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9193.113667][ T7704] netlink_rcv_skb+0x130/0x360 [ 9193.113667][ T7704] netlink_unicast+0x449/0x710 [ 9193.113667][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9193.113667][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9193.113667][ T7704] ___sys_sendmsg+0xee/0x170 [ 9193.113667][ T7704] __sys_sendmsg+0xcd/0x170 [ 9193.113667][ T7704] do_syscall_64+0xc6/0x1e0 [ 9193.113667][ T7704] [ 9193.115838][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9193.115838][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9193.115838][ T7704] ipv6_find_idev+0x102/0x170 [ 9193.115838][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9193.115838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9193.115838][ T7704] netlink_rcv_skb+0x130/0x360 [ 9193.115838][ T7704] netlink_unicast+0x449/0x710 [ 9193.115838][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9193.115838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9193.115838][ T7704] ___sys_sendmsg+0xee/0x170 [ 9193.115838][ T7704] __sys_sendmsg+0xcd/0x170 [ 9193.115838][ T7704] do_syscall_64+0xc6/0x1e0 [ 9193.115838][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9193.115838][ T7704] [ 9193.117534][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9193.117534][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9193.117534][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9193.117534][ T7704] ipv6_find_idev+0x102/0x170 [ 9193.117534][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9193.117534][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9193.117534][ T7704] netlink_rcv_skb+0x130/0x360 [ 9193.117534][ T7704] netlink_unicast+0x449/0x710 [ 9193.117534][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9193.117534][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9193.117534][ T7704] ___sys_sendmsg+0xee/0x170 [ 9193.117534][ T7704] __sys_sendmsg+0xcd/0x170 [ 9193.117534][ T7704] do_syscall_64+0xc6/0x1e0 [ 9193.117534][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9193.117534][ T7704] [ 9203.364802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9203.365215][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9203.365215][ T7704] netdev_get_by_index+0x5e/0x80 [ 9203.365215][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9203.365215][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9203.365215][ T7704] ip6_route_add+0x1c/0x140 [ 9203.365215][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9203.365215][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9203.365215][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9203.365215][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9203.365215][ T7704] netlink_rcv_skb+0x130/0x360 [ 9203.365215][ T7704] netlink_unicast+0x449/0x710 [ 9203.365215][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9203.365215][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9203.365215][ T7704] ___sys_sendmsg+0xee/0x170 [ 9203.365215][ T7704] __sys_sendmsg+0xcd/0x170 [ 9203.365215][ T7704] do_syscall_64+0xc6/0x1e0 [ 9203.365215][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9203.365215][ T7704] [ 9203.367446][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9203.367446][ T7704] netdev_get_by_index+0x5e/0x80 [ 9203.367446][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9203.367446][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9203.367446][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9203.367446][ T7704] ipv6_add_addr+0x411/0x2000 [ 9203.367446][ T7704] inet6_addr_add+0x30e/0xa40 [ 9203.367446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9203.367446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9203.367446][ T7704] netlink_rcv_skb+0x130/0x360 [ 9203.367446][ T7704] netlink_unicast+0x449/0x710 [ 9203.367446][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9203.367446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9203.367446][ T7704] ___sys_sendmsg+0xee/0x170 [ 9203.367446][ T7704] __sys_sendmsg+0xcd/0x170 [ 9203.367446][ T7704] do_syscall_64+0xc6/0x1e0 [ 9203.367446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9203.367446][ T7704] [ 9203.369653][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9203.369653][ T7704] netdev_get_by_index+0x5e/0x80 [ 9203.369653][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9203.369653][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9203.369653][ T7704] ip6_route_add+0x1c/0x140 [ 9203.369653][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9203.369653][ T7704] addrconf_add_dev+0xe2/0x170 [ 9203.369653][ T7704] inet6_addr_add+0x12f/0xa40 [ 9203.369653][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9203.369653][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9203.369653][ T7704] netlink_rcv_skb+0x130/0x360 [ 9203.369653][ T7704] netlink_unicast+0x449/0x710 [ 9203.369653][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9203.369653][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9203.369653][ T7704] ___sys_sendmsg+0xee/0x170 [ 9203.369653][ T7704] __sys_sendmsg+0xcd/0x170 [ 9203.369653][ T7704] do_syscall_64+0xc6/0x1e0 [ 9203.369653][ T7704] [ 9203.371815][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9203.371815][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9203.371815][ T7704] ipv6_find_idev+0x102/0x170 [ 9203.371815][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9203.371815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9203.371815][ T7704] netlink_rcv_skb+0x130/0x360 [ 9203.371815][ T7704] netlink_unicast+0x449/0x710 [ 9203.371815][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9203.371815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9203.371815][ T7704] ___sys_sendmsg+0xee/0x170 [ 9203.371815][ T7704] __sys_sendmsg+0xcd/0x170 [ 9203.371815][ T7704] do_syscall_64+0xc6/0x1e0 [ 9203.371815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9203.371815][ T7704] [ 9203.373626][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9203.373626][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9203.373626][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9203.373626][ T7704] ipv6_find_idev+0x102/0x170 [ 9203.373626][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9203.373626][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9203.373626][ T7704] netlink_rcv_skb+0x130/0x360 [ 9203.373626][ T7704] netlink_unicast+0x449/0x710 [ 9203.373626][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9203.373626][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9203.373626][ T7704] ___sys_sendmsg+0xee/0x170 [ 9203.373626][ T7704] __sys_sendmsg+0xcd/0x170 [ 9203.373626][ T7704] do_syscall_64+0xc6/0x1e0 [ 9203.373626][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9203.373626][ T7704] [ 9213.628797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9213.629198][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9213.629198][ T7704] netdev_get_by_index+0x5e/0x80 [ 9213.629198][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9213.629198][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9213.629198][ T7704] ip6_route_add+0x1c/0x140 [ 9213.629198][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9213.629198][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9213.629198][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9213.629198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9213.629198][ T7704] netlink_rcv_skb+0x130/0x360 [ 9213.629198][ T7704] netlink_unicast+0x449/0x710 [ 9213.629198][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9213.629198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9213.629198][ T7704] ___sys_sendmsg+0xee/0x170 [ 9213.629198][ T7704] __sys_sendmsg+0xcd/0x170 [ 9213.629198][ T7704] do_syscall_64+0xc6/0x1e0 [ 9213.629198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9213.629198][ T7704] [ 9213.631439][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9213.631439][ T7704] netdev_get_by_index+0x5e/0x80 [ 9213.631439][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9213.631439][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9213.631439][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9213.631439][ T7704] ipv6_add_addr+0x411/0x2000 [ 9213.631439][ T7704] inet6_addr_add+0x30e/0xa40 [ 9213.631439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9213.631439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9213.631439][ T7704] netlink_rcv_skb+0x130/0x360 [ 9213.631439][ T7704] netlink_unicast+0x449/0x710 [ 9213.631439][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9213.631439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9213.631439][ T7704] ___sys_sendmsg+0xee/0x170 [ 9213.631439][ T7704] __sys_sendmsg+0xcd/0x170 [ 9213.631439][ T7704] do_syscall_64+0xc6/0x1e0 [ 9213.631439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9213.631439][ T7704] [ 9213.633638][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9213.633638][ T7704] netdev_get_by_index+0x5e/0x80 [ 9213.633638][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9213.633638][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9213.633638][ T7704] ip6_route_add+0x1c/0x140 [ 9213.633638][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9213.633638][ T7704] addrconf_add_dev+0xe2/0x170 [ 9213.633638][ T7704] inet6_addr_add+0x12f/0xa40 [ 9213.633638][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9213.633638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9213.633638][ T7704] netlink_rcv_skb+0x130/0x360 [ 9213.633638][ T7704] netlink_unicast+0x449/0x710 [ 9213.633638][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9213.633638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9213.633638][ T7704] ___sys_sendmsg+0xee/0x170 [ 9213.633638][ T7704] __sys_sendmsg+0xcd/0x170 [ 9213.633638][ T7704] do_syscall_64+0xc6/0x1e0 [ 9213.633638][ T7704] [ 9213.635796][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9213.635796][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9213.635796][ T7704] ipv6_find_idev+0x102/0x170 [ 9213.635796][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9213.635796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9213.635796][ T7704] netlink_rcv_skb+0x130/0x360 [ 9213.635796][ T7704] netlink_unicast+0x449/0x710 [ 9213.635796][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9213.635796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9213.635796][ T7704] ___sys_sendmsg+0xee/0x170 [ 9213.635796][ T7704] __sys_sendmsg+0xcd/0x170 [ 9213.635796][ T7704] do_syscall_64+0xc6/0x1e0 [ 9213.635796][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9213.635796][ T7704] [ 9213.637493][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9213.637493][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9213.637493][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9213.637493][ T7704] ipv6_find_idev+0x102/0x170 [ 9213.637493][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9213.637493][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9213.637493][ T7704] netlink_rcv_skb+0x130/0x360 [ 9213.637493][ T7704] netlink_unicast+0x449/0x710 [ 9213.637493][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9213.637493][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9213.637493][ T7704] ___sys_sendmsg+0xee/0x170 [ 9213.637493][ T7704] __sys_sendmsg+0xcd/0x170 [ 9213.637493][ T7704] do_syscall_64+0xc6/0x1e0 [ 9213.637493][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9213.637493][ T7704] [ 9223.884802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9223.885220][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9223.885220][ T7704] netdev_get_by_index+0x5e/0x80 [ 9223.885220][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9223.885220][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9223.885220][ T7704] ip6_route_add+0x1c/0x140 [ 9223.885220][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9223.885220][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9223.885220][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9223.885220][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9223.885220][ T7704] netlink_rcv_skb+0x130/0x360 [ 9223.885220][ T7704] netlink_unicast+0x449/0x710 [ 9223.885220][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9223.885220][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9223.885220][ T7704] ___sys_sendmsg+0xee/0x170 [ 9223.885220][ T7704] __sys_sendmsg+0xcd/0x170 [ 9223.885220][ T7704] do_syscall_64+0xc6/0x1e0 [ 9223.885220][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9223.885220][ T7704] [ 9223.887432][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9223.887432][ T7704] netdev_get_by_index+0x5e/0x80 [ 9223.887432][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9223.887432][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9223.887432][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9223.887432][ T7704] ipv6_add_addr+0x411/0x2000 [ 9223.887432][ T7704] inet6_addr_add+0x30e/0xa40 [ 9223.887432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9223.887432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9223.887432][ T7704] netlink_rcv_skb+0x130/0x360 [ 9223.887432][ T7704] netlink_unicast+0x449/0x710 [ 9223.887432][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9223.887432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9223.887432][ T7704] ___sys_sendmsg+0xee/0x170 [ 9223.887432][ T7704] __sys_sendmsg+0xcd/0x170 [ 9223.887432][ T7704] do_syscall_64+0xc6/0x1e0 [ 9223.887432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9223.887432][ T7704] [ 9223.889649][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9223.889649][ T7704] netdev_get_by_index+0x5e/0x80 [ 9223.889649][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9223.889649][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9223.889649][ T7704] ip6_route_add+0x1c/0x140 [ 9223.889649][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9223.889649][ T7704] addrconf_add_dev+0xe2/0x170 [ 9223.889649][ T7704] inet6_addr_add+0x12f/0xa40 [ 9223.889649][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9223.889649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9223.889649][ T7704] netlink_rcv_skb+0x130/0x360 [ 9223.889649][ T7704] netlink_unicast+0x449/0x710 [ 9223.889649][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9223.889649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9223.889649][ T7704] ___sys_sendmsg+0xee/0x170 [ 9223.889649][ T7704] __sys_sendmsg+0xcd/0x170 [ 9223.889649][ T7704] do_syscall_64+0xc6/0x1e0 [ 9223.889649][ T7704] [ 9223.891822][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9223.891822][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9223.891822][ T7704] ipv6_find_idev+0x102/0x170 [ 9223.891822][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9223.891822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9223.891822][ T7704] netlink_rcv_skb+0x130/0x360 [ 9223.891822][ T7704] netlink_unicast+0x449/0x710 [ 9223.891822][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9223.891822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9223.891822][ T7704] ___sys_sendmsg+0xee/0x170 [ 9223.891822][ T7704] __sys_sendmsg+0xcd/0x170 [ 9223.891822][ T7704] do_syscall_64+0xc6/0x1e0 [ 9223.891822][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9223.891822][ T7704] [ 9223.893523][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9223.893523][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9223.893523][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9223.893523][ T7704] ipv6_find_idev+0x102/0x170 [ 9223.893523][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9223.893523][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9223.893523][ T7704] netlink_rcv_skb+0x130/0x360 [ 9223.893523][ T7704] netlink_unicast+0x449/0x710 [ 9223.893523][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9223.893523][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9223.893523][ T7704] ___sys_sendmsg+0xee/0x170 [ 9223.893523][ T7704] __sys_sendmsg+0xcd/0x170 [ 9223.893523][ T7704] do_syscall_64+0xc6/0x1e0 [ 9223.893523][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9223.893523][ T7704] [ 9233.916799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9233.917269][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9233.917269][ T7704] netdev_get_by_index+0x5e/0x80 [ 9233.917269][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9233.917269][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9233.917269][ T7704] ip6_route_add+0x1c/0x140 [ 9233.917269][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9233.917269][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9233.917269][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9233.917269][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9233.917269][ T7704] netlink_rcv_skb+0x130/0x360 [ 9233.917269][ T7704] netlink_unicast+0x449/0x710 [ 9233.917269][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9233.917269][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9233.917269][ T7704] ___sys_sendmsg+0xee/0x170 [ 9233.917269][ T7704] __sys_sendmsg+0xcd/0x170 [ 9233.917269][ T7704] do_syscall_64+0xc6/0x1e0 [ 9233.917269][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9233.917269][ T7704] [ 9233.919556][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9233.919556][ T7704] netdev_get_by_index+0x5e/0x80 [ 9233.919556][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9233.919556][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9233.919556][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9233.919556][ T7704] ipv6_add_addr+0x411/0x2000 [ 9233.919556][ T7704] inet6_addr_add+0x30e/0xa40 [ 9233.919556][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9233.919556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9233.919556][ T7704] netlink_rcv_skb+0x130/0x360 [ 9233.919556][ T7704] netlink_unicast+0x449/0x710 [ 9233.919556][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9233.919556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9233.919556][ T7704] ___sys_sendmsg+0xee/0x170 [ 9233.919556][ T7704] __sys_sendmsg+0xcd/0x170 [ 9233.919556][ T7704] do_syscall_64+0xc6/0x1e0 [ 9233.919556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9233.919556][ T7704] [ 9233.921765][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9233.921765][ T7704] netdev_get_by_index+0x5e/0x80 [ 9233.921765][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9233.921765][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9233.921765][ T7704] ip6_route_add+0x1c/0x140 [ 9233.921765][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9233.921765][ T7704] addrconf_add_dev+0xe2/0x170 [ 9233.921765][ T7704] inet6_addr_add+0x12f/0xa40 [ 9233.921765][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9233.921765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9233.921765][ T7704] netlink_rcv_skb+0x130/0x360 [ 9233.921765][ T7704] netlink_unicast+0x449/0x710 [ 9233.921765][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9233.921765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9233.921765][ T7704] ___sys_sendmsg+0xee/0x170 [ 9233.921765][ T7704] __sys_sendmsg+0xcd/0x170 [ 9233.921765][ T7704] do_syscall_64+0xc6/0x1e0 [ 9233.921765][ T7704] [ 9233.924041][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9233.924041][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9233.924041][ T7704] ipv6_find_idev+0x102/0x170 [ 9233.924041][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9233.924041][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9233.924041][ T7704] netlink_rcv_skb+0x130/0x360 [ 9233.924041][ T7704] netlink_unicast+0x449/0x710 [ 9233.924041][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9233.924041][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9233.924041][ T7704] ___sys_sendmsg+0xee/0x170 [ 9233.924041][ T7704] __sys_sendmsg+0xcd/0x170 [ 9233.924041][ T7704] do_syscall_64+0xc6/0x1e0 [ 9233.924041][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9233.924041][ T7704] [ 9233.925766][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9233.925766][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9233.925766][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9233.925766][ T7704] ipv6_find_idev+0x102/0x170 [ 9233.925766][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9233.925766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9233.925766][ T7704] netlink_rcv_skb+0x130/0x360 [ 9233.925766][ T7704] netlink_unicast+0x449/0x710 [ 9233.925766][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9233.925766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9233.925766][ T7704] ___sys_sendmsg+0xee/0x170 [ 9233.925766][ T7704] __sys_sendmsg+0xcd/0x170 [ 9233.925766][ T7704] do_syscall_64+0xc6/0x1e0 [ 9233.925766][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9233.925766][ T7704] [ 9244.164819][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9244.165234][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9244.165234][ T7704] netdev_get_by_index+0x5e/0x80 [ 9244.165234][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9244.165234][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9244.165234][ T7704] ip6_route_add+0x1c/0x140 [ 9244.165234][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9244.165234][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9244.165234][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9244.165234][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9244.165234][ T7704] netlink_rcv_skb+0x130/0x360 [ 9244.165234][ T7704] netlink_unicast+0x449/0x710 [ 9244.165234][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9244.165234][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9244.165234][ T7704] ___sys_sendmsg+0xee/0x170 [ 9244.165234][ T7704] __sys_sendmsg+0xcd/0x170 [ 9244.165234][ T7704] do_syscall_64+0xc6/0x1e0 [ 9244.165234][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9244.165234][ T7704] [ 9244.167577][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9244.167577][ T7704] netdev_get_by_index+0x5e/0x80 [ 9244.167577][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9244.167577][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9244.167577][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9244.167577][ T7704] ipv6_add_addr+0x411/0x2000 [ 9244.167577][ T7704] inet6_addr_add+0x30e/0xa40 [ 9244.167577][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9244.167577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9244.167577][ T7704] netlink_rcv_skb+0x130/0x360 [ 9244.167577][ T7704] netlink_unicast+0x449/0x710 [ 9244.167577][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9244.167577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9244.167577][ T7704] ___sys_sendmsg+0xee/0x170 [ 9244.167577][ T7704] __sys_sendmsg+0xcd/0x170 [ 9244.167577][ T7704] do_syscall_64+0xc6/0x1e0 [ 9244.167577][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9244.167577][ T7704] [ 9244.169790][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9244.169790][ T7704] netdev_get_by_index+0x5e/0x80 [ 9244.169790][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9244.169790][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9244.169790][ T7704] ip6_route_add+0x1c/0x140 [ 9244.169790][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9244.169790][ T7704] addrconf_add_dev+0xe2/0x170 [ 9244.169790][ T7704] inet6_addr_add+0x12f/0xa40 [ 9244.169790][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9244.169790][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9244.169790][ T7704] netlink_rcv_skb+0x130/0x360 [ 9244.169790][ T7704] netlink_unicast+0x449/0x710 [ 9244.169790][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9244.169790][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9244.169790][ T7704] ___sys_sendmsg+0xee/0x170 [ 9244.169790][ T7704] __sys_sendmsg+0xcd/0x170 [ 9244.169790][ T7704] do_syscall_64+0xc6/0x1e0 [ 9244.169790][ T7704] [ 9244.171964][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9244.171964][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9244.171964][ T7704] ipv6_find_idev+0x102/0x170 [ 9244.171964][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9244.171964][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9244.171964][ T7704] netlink_rcv_skb+0x130/0x360 [ 9244.171964][ T7704] netlink_unicast+0x449/0x710 [ 9244.171964][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9244.171964][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9244.171964][ T7704] ___sys_sendmsg+0xee/0x170 [ 9244.171964][ T7704] __sys_sendmsg+0xcd/0x170 [ 9244.171964][ T7704] do_syscall_64+0xc6/0x1e0 [ 9244.171964][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9244.171964][ T7704] [ 9244.173671][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9244.173671][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9244.173671][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9244.173671][ T7704] ipv6_find_idev+0x102/0x170 [ 9244.173671][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9244.173671][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9244.173671][ T7704] netlink_rcv_skb+0x130/0x360 [ 9244.173671][ T7704] netlink_unicast+0x449/0x710 [ 9244.173671][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9244.173671][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9244.173671][ T7704] ___sys_sendmsg+0xee/0x170 [ 9244.173671][ T7704] __sys_sendmsg+0xcd/0x170 [ 9244.173671][ T7704] do_syscall_64+0xc6/0x1e0 [ 9244.173671][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9244.173671][ T7704] [ 9254.412796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9254.413268][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9254.413268][ T7704] netdev_get_by_index+0x5e/0x80 [ 9254.413268][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9254.413268][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9254.413268][ T7704] ip6_route_add+0x1c/0x140 [ 9254.413268][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9254.413268][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9254.413268][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9254.413268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9254.413268][ T7704] netlink_rcv_skb+0x130/0x360 [ 9254.413268][ T7704] netlink_unicast+0x449/0x710 [ 9254.413268][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9254.413268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9254.413268][ T7704] ___sys_sendmsg+0xee/0x170 [ 9254.413268][ T7704] __sys_sendmsg+0xcd/0x170 [ 9254.413268][ T7704] do_syscall_64+0xc6/0x1e0 [ 9254.413268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9254.413268][ T7704] [ 9254.415490][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9254.415490][ T7704] netdev_get_by_index+0x5e/0x80 [ 9254.415490][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9254.415490][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9254.415490][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9254.415490][ T7704] ipv6_add_addr+0x411/0x2000 [ 9254.415490][ T7704] inet6_addr_add+0x30e/0xa40 [ 9254.415490][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9254.415490][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9254.415490][ T7704] netlink_rcv_skb+0x130/0x360 [ 9254.415490][ T7704] netlink_unicast+0x449/0x710 [ 9254.415490][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9254.415490][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9254.415490][ T7704] ___sys_sendmsg+0xee/0x170 [ 9254.415490][ T7704] __sys_sendmsg+0xcd/0x170 [ 9254.415490][ T7704] do_syscall_64+0xc6/0x1e0 [ 9254.415490][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9254.415490][ T7704] [ 9254.417706][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9254.417706][ T7704] netdev_get_by_index+0x5e/0x80 [ 9254.417706][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9254.417706][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9254.417706][ T7704] ip6_route_add+0x1c/0x140 [ 9254.417706][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9254.417706][ T7704] addrconf_add_dev+0xe2/0x170 [ 9254.417706][ T7704] inet6_addr_add+0x12f/0xa40 [ 9254.417706][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9254.417706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9254.417706][ T7704] netlink_rcv_skb+0x130/0x360 [ 9254.417706][ T7704] netlink_unicast+0x449/0x710 [ 9254.417706][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9254.417706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9254.417706][ T7704] ___sys_sendmsg+0xee/0x170 [ 9254.417706][ T7704] __sys_sendmsg+0xcd/0x170 [ 9254.417706][ T7704] do_syscall_64+0xc6/0x1e0 [ 9254.417706][ T7704] [ 9254.419882][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9254.419882][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9254.419882][ T7704] ipv6_find_idev+0x102/0x170 [ 9254.419882][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9254.419882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9254.419882][ T7704] netlink_rcv_skb+0x130/0x360 [ 9254.419882][ T7704] netlink_unicast+0x449/0x710 [ 9254.419882][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9254.419882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9254.419882][ T7704] ___sys_sendmsg+0xee/0x170 [ 9254.419882][ T7704] __sys_sendmsg+0xcd/0x170 [ 9254.419882][ T7704] do_syscall_64+0xc6/0x1e0 [ 9254.419882][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9254.419882][ T7704] [ 9254.421575][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9254.421575][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9254.421575][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9254.421575][ T7704] ipv6_find_idev+0x102/0x170 [ 9254.421575][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9254.421575][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9254.421575][ T7704] netlink_rcv_skb+0x130/0x360 [ 9254.421575][ T7704] netlink_unicast+0x449/0x710 [ 9254.421575][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9254.421575][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9254.421575][ T7704] ___sys_sendmsg+0xee/0x170 [ 9254.421575][ T7704] __sys_sendmsg+0xcd/0x170 [ 9254.421575][ T7704] do_syscall_64+0xc6/0x1e0 [ 9254.421575][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9254.421575][ T7704] [ 9264.660808][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9264.661276][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9264.661276][ T7704] netdev_get_by_index+0x5e/0x80 [ 9264.661276][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9264.661276][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9264.661276][ T7704] ip6_route_add+0x1c/0x140 [ 9264.661276][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9264.661276][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9264.661276][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9264.661276][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9264.661276][ T7704] netlink_rcv_skb+0x130/0x360 [ 9264.661276][ T7704] netlink_unicast+0x449/0x710 [ 9264.661276][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9264.661276][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9264.661276][ T7704] ___sys_sendmsg+0xee/0x170 [ 9264.661276][ T7704] __sys_sendmsg+0xcd/0x170 [ 9264.661276][ T7704] do_syscall_64+0xc6/0x1e0 [ 9264.661276][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9264.661276][ T7704] [ 9264.663496][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9264.663496][ T7704] netdev_get_by_index+0x5e/0x80 [ 9264.663496][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9264.663496][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9264.663496][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9264.663496][ T7704] ipv6_add_addr+0x411/0x2000 [ 9264.663496][ T7704] inet6_addr_add+0x30e/0xa40 [ 9264.663496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9264.663496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9264.663496][ T7704] netlink_rcv_skb+0x130/0x360 [ 9264.663496][ T7704] netlink_unicast+0x449/0x710 [ 9264.663496][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9264.663496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9264.663496][ T7704] ___sys_sendmsg+0xee/0x170 [ 9264.663496][ T7704] __sys_sendmsg+0xcd/0x170 [ 9264.663496][ T7704] do_syscall_64+0xc6/0x1e0 [ 9264.663496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9264.663496][ T7704] [ 9264.665709][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9264.665709][ T7704] netdev_get_by_index+0x5e/0x80 [ 9264.665709][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9264.665709][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9264.665709][ T7704] ip6_route_add+0x1c/0x140 [ 9264.665709][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9264.665709][ T7704] addrconf_add_dev+0xe2/0x170 [ 9264.665709][ T7704] inet6_addr_add+0x12f/0xa40 [ 9264.665709][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9264.665709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9264.665709][ T7704] netlink_rcv_skb+0x130/0x360 [ 9264.665709][ T7704] netlink_unicast+0x449/0x710 [ 9264.665709][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9264.665709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9264.665709][ T7704] ___sys_sendmsg+0xee/0x170 [ 9264.665709][ T7704] __sys_sendmsg+0xcd/0x170 [ 9264.665709][ T7704] do_syscall_64+0xc6/0x1e0 [ 9264.665709][ T7704] [ 9264.667882][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9264.667882][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9264.667882][ T7704] ipv6_find_idev+0x102/0x170 [ 9264.667882][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9264.667882][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9264.667882][ T7704] netlink_rcv_skb+0x130/0x360 [ 9264.667882][ T7704] netlink_unicast+0x449/0x710 [ 9264.667882][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9264.667882][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9264.667882][ T7704] ___sys_sendmsg+0xee/0x170 [ 9264.667882][ T7704] __sys_sendmsg+0xcd/0x170 [ 9264.667882][ T7704] do_syscall_64+0xc6/0x1e0 [ 9264.667882][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9264.667882][ T7704] [ 9264.669575][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9264.669575][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9264.669575][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9264.669575][ T7704] ipv6_find_idev+0x102/0x170 [ 9264.669575][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9264.669575][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9264.669575][ T7704] netlink_rcv_skb+0x130/0x360 [ 9264.669575][ T7704] netlink_unicast+0x449/0x710 [ 9264.669575][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9264.669575][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9264.669575][ T7704] ___sys_sendmsg+0xee/0x170 [ 9264.669575][ T7704] __sys_sendmsg+0xcd/0x170 [ 9264.669575][ T7704] do_syscall_64+0xc6/0x1e0 [ 9264.669575][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9264.669575][ T7704] [ 9274.908800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9274.909267][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9274.909267][ T7704] netdev_get_by_index+0x5e/0x80 [ 9274.909267][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9274.909267][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9274.909267][ T7704] ip6_route_add+0x1c/0x140 [ 9274.909267][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9274.909267][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9274.909267][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9274.909267][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9274.909267][ T7704] netlink_rcv_skb+0x130/0x360 [ 9274.909267][ T7704] netlink_unicast+0x449/0x710 [ 9274.909267][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9274.909267][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9274.909267][ T7704] ___sys_sendmsg+0xee/0x170 [ 9274.909267][ T7704] __sys_sendmsg+0xcd/0x170 [ 9274.909267][ T7704] do_syscall_64+0xc6/0x1e0 [ 9274.909267][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9274.909267][ T7704] [ 9274.911506][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9274.911506][ T7704] netdev_get_by_index+0x5e/0x80 [ 9274.911506][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9274.911506][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9274.911506][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9274.911506][ T7704] ipv6_add_addr+0x411/0x2000 [ 9274.911506][ T7704] inet6_addr_add+0x30e/0xa40 [ 9274.911506][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9274.911506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9274.911506][ T7704] netlink_rcv_skb+0x130/0x360 [ 9274.911506][ T7704] netlink_unicast+0x449/0x710 [ 9274.911506][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9274.911506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9274.911506][ T7704] ___sys_sendmsg+0xee/0x170 [ 9274.911506][ T7704] __sys_sendmsg+0xcd/0x170 [ 9274.911506][ T7704] do_syscall_64+0xc6/0x1e0 [ 9274.911506][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9274.911506][ T7704] [ 9274.913710][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9274.913710][ T7704] netdev_get_by_index+0x5e/0x80 [ 9274.913710][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9274.913710][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9274.913710][ T7704] ip6_route_add+0x1c/0x140 [ 9274.913710][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9274.913710][ T7704] addrconf_add_dev+0xe2/0x170 [ 9274.913710][ T7704] inet6_addr_add+0x12f/0xa40 [ 9274.913710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9274.913710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9274.913710][ T7704] netlink_rcv_skb+0x130/0x360 [ 9274.913710][ T7704] netlink_unicast+0x449/0x710 [ 9274.913710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9274.913710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9274.913710][ T7704] ___sys_sendmsg+0xee/0x170 [ 9274.913710][ T7704] __sys_sendmsg+0xcd/0x170 [ 9274.913710][ T7704] do_syscall_64+0xc6/0x1e0 [ 9274.913710][ T7704] [ 9274.915876][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9274.915876][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9274.915876][ T7704] ipv6_find_idev+0x102/0x170 [ 9274.915876][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9274.915876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9274.915876][ T7704] netlink_rcv_skb+0x130/0x360 [ 9274.915876][ T7704] netlink_unicast+0x449/0x710 [ 9274.915876][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9274.915876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9274.915876][ T7704] ___sys_sendmsg+0xee/0x170 [ 9274.915876][ T7704] __sys_sendmsg+0xcd/0x170 [ 9274.915876][ T7704] do_syscall_64+0xc6/0x1e0 [ 9274.915876][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9274.915876][ T7704] [ 9274.917572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9274.917572][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9274.917572][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9274.917572][ T7704] ipv6_find_idev+0x102/0x170 [ 9274.917572][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9274.917572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9274.917572][ T7704] netlink_rcv_skb+0x130/0x360 [ 9274.917572][ T7704] netlink_unicast+0x449/0x710 [ 9274.917572][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9274.917572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9274.917572][ T7704] ___sys_sendmsg+0xee/0x170 [ 9274.917572][ T7704] __sys_sendmsg+0xcd/0x170 [ 9274.917572][ T7704] do_syscall_64+0xc6/0x1e0 [ 9274.917572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9274.917572][ T7704] [ 9285.156803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9285.157281][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9285.157281][ T7704] netdev_get_by_index+0x5e/0x80 [ 9285.157281][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9285.157281][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9285.157281][ T7704] ip6_route_add+0x1c/0x140 [ 9285.157281][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9285.157281][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9285.157281][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9285.157281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9285.157281][ T7704] netlink_rcv_skb+0x130/0x360 [ 9285.157281][ T7704] netlink_unicast+0x449/0x710 [ 9285.157281][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9285.157281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9285.157281][ T7704] ___sys_sendmsg+0xee/0x170 [ 9285.157281][ T7704] __sys_sendmsg+0xcd/0x170 [ 9285.157281][ T7704] do_syscall_64+0xc6/0x1e0 [ 9285.157281][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9285.157281][ T7704] [ 9285.159520][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9285.159520][ T7704] netdev_get_by_index+0x5e/0x80 [ 9285.159520][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9285.159520][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9285.159520][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9285.159520][ T7704] ipv6_add_addr+0x411/0x2000 [ 9285.159520][ T7704] inet6_addr_add+0x30e/0xa40 [ 9285.159520][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9285.159520][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9285.159520][ T7704] netlink_rcv_skb+0x130/0x360 [ 9285.159520][ T7704] netlink_unicast+0x449/0x710 [ 9285.159520][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9285.159520][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9285.159520][ T7704] ___sys_sendmsg+0xee/0x170 [ 9285.159520][ T7704] __sys_sendmsg+0xcd/0x170 [ 9285.159520][ T7704] do_syscall_64+0xc6/0x1e0 [ 9285.159520][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9285.159520][ T7704] [ 9285.161726][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9285.161726][ T7704] netdev_get_by_index+0x5e/0x80 [ 9285.161726][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9285.161726][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9285.161726][ T7704] ip6_route_add+0x1c/0x140 [ 9285.161726][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9285.161726][ T7704] addrconf_add_dev+0xe2/0x170 [ 9285.161726][ T7704] inet6_addr_add+0x12f/0xa40 [ 9285.161726][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9285.161726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9285.161726][ T7704] netlink_rcv_skb+0x130/0x360 [ 9285.161726][ T7704] netlink_unicast+0x449/0x710 [ 9285.161726][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9285.161726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9285.161726][ T7704] ___sys_sendmsg+0xee/0x170 [ 9285.161726][ T7704] __sys_sendmsg+0xcd/0x170 [ 9285.161726][ T7704] do_syscall_64+0xc6/0x1e0 [ 9285.161726][ T7704] [ 9285.163881][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9285.163881][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9285.163881][ T7704] ipv6_find_idev+0x102/0x170 [ 9285.163881][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9285.163881][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9285.163881][ T7704] netlink_rcv_skb+0x130/0x360 [ 9285.163881][ T7704] netlink_unicast+0x449/0x710 [ 9285.163881][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9285.163881][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9285.163881][ T7704] ___sys_sendmsg+0xee/0x170 [ 9285.163881][ T7704] __sys_sendmsg+0xcd/0x170 [ 9285.163881][ T7704] do_syscall_64+0xc6/0x1e0 [ 9285.163881][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9285.163881][ T7704] [ 9285.165577][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9285.165577][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9285.165577][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9285.165577][ T7704] ipv6_find_idev+0x102/0x170 [ 9285.165577][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9285.165577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9285.165577][ T7704] netlink_rcv_skb+0x130/0x360 [ 9285.165577][ T7704] netlink_unicast+0x449/0x710 [ 9285.165577][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9285.165577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9285.165577][ T7704] ___sys_sendmsg+0xee/0x170 [ 9285.165577][ T7704] __sys_sendmsg+0xcd/0x170 [ 9285.165577][ T7704] do_syscall_64+0xc6/0x1e0 [ 9285.165577][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9285.165577][ T7704] [ 9295.404804][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9295.405273][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9295.405273][ T7704] netdev_get_by_index+0x5e/0x80 [ 9295.405273][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9295.405273][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9295.405273][ T7704] ip6_route_add+0x1c/0x140 [ 9295.405273][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9295.405273][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9295.405273][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9295.405273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9295.405273][ T7704] netlink_rcv_skb+0x130/0x360 [ 9295.405273][ T7704] netlink_unicast+0x449/0x710 [ 9295.405273][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9295.405273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9295.405273][ T7704] ___sys_sendmsg+0xee/0x170 [ 9295.405273][ T7704] __sys_sendmsg+0xcd/0x170 [ 9295.405273][ T7704] do_syscall_64+0xc6/0x1e0 [ 9295.405273][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9295.405273][ T7704] [ 9295.407500][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9295.407500][ T7704] netdev_get_by_index+0x5e/0x80 [ 9295.407500][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9295.407500][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9295.407500][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9295.407500][ T7704] ipv6_add_addr+0x411/0x2000 [ 9295.407500][ T7704] inet6_addr_add+0x30e/0xa40 [ 9295.407500][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9295.407500][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9295.407500][ T7704] netlink_rcv_skb+0x130/0x360 [ 9295.407500][ T7704] netlink_unicast+0x449/0x710 [ 9295.407500][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9295.407500][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9295.407500][ T7704] ___sys_sendmsg+0xee/0x170 [ 9295.407500][ T7704] __sys_sendmsg+0xcd/0x170 [ 9295.407500][ T7704] do_syscall_64+0xc6/0x1e0 [ 9295.407500][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9295.407500][ T7704] [ 9295.409713][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9295.409713][ T7704] netdev_get_by_index+0x5e/0x80 [ 9295.409713][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9295.409713][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9295.409713][ T7704] ip6_route_add+0x1c/0x140 [ 9295.409713][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9295.409713][ T7704] addrconf_add_dev+0xe2/0x170 [ 9295.409713][ T7704] inet6_addr_add+0x12f/0xa40 [ 9295.409713][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9295.409713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9295.409713][ T7704] netlink_rcv_skb+0x130/0x360 [ 9295.409713][ T7704] netlink_unicast+0x449/0x710 [ 9295.409713][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9295.409713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9295.409713][ T7704] ___sys_sendmsg+0xee/0x170 [ 9295.409713][ T7704] __sys_sendmsg+0xcd/0x170 [ 9295.409713][ T7704] do_syscall_64+0xc6/0x1e0 [ 9295.409713][ T7704] [ 9295.411877][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9295.411877][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9295.411877][ T7704] ipv6_find_idev+0x102/0x170 [ 9295.411877][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9295.411877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9295.411877][ T7704] netlink_rcv_skb+0x130/0x360 [ 9295.411877][ T7704] netlink_unicast+0x449/0x710 [ 9295.411877][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9295.411877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9295.411877][ T7704] ___sys_sendmsg+0xee/0x170 [ 9295.411877][ T7704] __sys_sendmsg+0xcd/0x170 [ 9295.411877][ T7704] do_syscall_64+0xc6/0x1e0 [ 9295.411877][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9295.411877][ T7704] [ 9295.413586][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9295.413586][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9295.413586][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9295.413586][ T7704] ipv6_find_idev+0x102/0x170 [ 9295.413586][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9295.413586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9295.413586][ T7704] netlink_rcv_skb+0x130/0x360 [ 9295.413586][ T7704] netlink_unicast+0x449/0x710 [ 9295.413586][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9295.413586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9295.413586][ T7704] ___sys_sendmsg+0xee/0x170 [ 9295.413586][ T7704] __sys_sendmsg+0xcd/0x170 [ 9295.413586][ T7704] do_syscall_64+0xc6/0x1e0 [ 9295.413586][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9295.413586][ T7704] [ 9305.468813][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9305.469276][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9305.469276][ T7704] netdev_get_by_index+0x5e/0x80 [ 9305.469276][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9305.469276][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9305.469276][ T7704] ip6_route_add+0x1c/0x140 [ 9305.469276][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9305.469276][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9305.469276][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9305.469276][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9305.469276][ T7704] netlink_rcv_skb+0x130/0x360 [ 9305.469276][ T7704] netlink_unicast+0x449/0x710 [ 9305.469276][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9305.469276][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9305.469276][ T7704] ___sys_sendmsg+0xee/0x170 [ 9305.469276][ T7704] __sys_sendmsg+0xcd/0x170 [ 9305.469276][ T7704] do_syscall_64+0xc6/0x1e0 [ 9305.469276][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9305.469276][ T7704] [ 9305.471500][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9305.471500][ T7704] netdev_get_by_index+0x5e/0x80 [ 9305.471500][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9305.471500][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9305.471500][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9305.471500][ T7704] ipv6_add_addr+0x411/0x2000 [ 9305.471500][ T7704] inet6_addr_add+0x30e/0xa40 [ 9305.471500][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9305.471500][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9305.471500][ T7704] netlink_rcv_skb+0x130/0x360 [ 9305.471500][ T7704] netlink_unicast+0x449/0x710 [ 9305.471500][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9305.471500][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9305.471500][ T7704] ___sys_sendmsg+0xee/0x170 [ 9305.471500][ T7704] __sys_sendmsg+0xcd/0x170 [ 9305.471500][ T7704] do_syscall_64+0xc6/0x1e0 [ 9305.471500][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9305.471500][ T7704] [ 9305.473697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9305.473697][ T7704] netdev_get_by_index+0x5e/0x80 [ 9305.473697][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9305.473697][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9305.473697][ T7704] ip6_route_add+0x1c/0x140 [ 9305.473697][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9305.473697][ T7704] addrconf_add_dev+0xe2/0x170 [ 9305.473697][ T7704] inet6_addr_add+0x12f/0xa40 [ 9305.473697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9305.473697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9305.473697][ T7704] netlink_rcv_skb+0x130/0x360 [ 9305.473697][ T7704] netlink_unicast+0x449/0x710 [ 9305.473697][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9305.473697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9305.473697][ T7704] ___sys_sendmsg+0xee/0x170 [ 9305.473697][ T7704] __sys_sendmsg+0xcd/0x170 [ 9305.473697][ T7704] do_syscall_64+0xc6/0x1e0 [ 9305.473697][ T7704] [ 9305.475886][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9305.475886][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9305.475886][ T7704] ipv6_find_idev+0x102/0x170 [ 9305.475886][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9305.475886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9305.475886][ T7704] netlink_rcv_skb+0x130/0x360 [ 9305.475886][ T7704] netlink_unicast+0x449/0x710 [ 9305.475886][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9305.475886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9305.475886][ T7704] ___sys_sendmsg+0xee/0x170 [ 9305.475886][ T7704] __sys_sendmsg+0xcd/0x170 [ 9305.475886][ T7704] do_syscall_64+0xc6/0x1e0 [ 9305.475886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9305.475886][ T7704] [ 9305.477620][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9305.477620][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9305.477620][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9305.477620][ T7704] ipv6_find_idev+0x102/0x170 [ 9305.477620][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9305.477620][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9305.477620][ T7704] netlink_rcv_skb+0x130/0x360 [ 9305.477620][ T7704] netlink_unicast+0x449/0x710 [ 9305.477620][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9305.477620][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9305.477620][ T7704] ___sys_sendmsg+0xee/0x170 [ 9305.477620][ T7704] __sys_sendmsg+0xcd/0x170 [ 9305.477620][ T7704] do_syscall_64+0xc6/0x1e0 [ 9305.477620][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9305.477620][ T7704] [ 9315.836898][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9315.837369][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9315.837369][ T7704] netdev_get_by_index+0x5e/0x80 [ 9315.837369][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9315.837369][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9315.837369][ T7704] ip6_route_add+0x1c/0x140 [ 9315.837369][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9315.837369][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9315.837369][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9315.837369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9315.837369][ T7704] netlink_rcv_skb+0x130/0x360 [ 9315.837369][ T7704] netlink_unicast+0x449/0x710 [ 9315.837369][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9315.837369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9315.837369][ T7704] ___sys_sendmsg+0xee/0x170 [ 9315.837369][ T7704] __sys_sendmsg+0xcd/0x170 [ 9315.837369][ T7704] do_syscall_64+0xc6/0x1e0 [ 9315.837369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9315.837369][ T7704] [ 9315.839611][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9315.839611][ T7704] netdev_get_by_index+0x5e/0x80 [ 9315.839611][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9315.839611][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9315.839611][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9315.839611][ T7704] ipv6_add_addr+0x411/0x2000 [ 9315.839611][ T7704] inet6_addr_add+0x30e/0xa40 [ 9315.839611][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9315.839611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9315.839611][ T7704] netlink_rcv_skb+0x130/0x360 [ 9315.839611][ T7704] netlink_unicast+0x449/0x710 [ 9315.839611][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9315.839611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9315.839611][ T7704] ___sys_sendmsg+0xee/0x170 [ 9315.839611][ T7704] __sys_sendmsg+0xcd/0x170 [ 9315.839611][ T7704] do_syscall_64+0xc6/0x1e0 [ 9315.839611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9315.839611][ T7704] [ 9315.841825][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9315.841825][ T7704] netdev_get_by_index+0x5e/0x80 [ 9315.841825][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9315.841825][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9315.841825][ T7704] ip6_route_add+0x1c/0x140 [ 9315.841825][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9315.841825][ T7704] addrconf_add_dev+0xe2/0x170 [ 9315.841825][ T7704] inet6_addr_add+0x12f/0xa40 [ 9315.841825][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9315.841825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9315.841825][ T7704] netlink_rcv_skb+0x130/0x360 [ 9315.841825][ T7704] netlink_unicast+0x449/0x710 [ 9315.841825][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9315.841825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9315.841825][ T7704] ___sys_sendmsg+0xee/0x170 [ 9315.841825][ T7704] __sys_sendmsg+0xcd/0x170 [ 9315.841825][ T7704] do_syscall_64+0xc6/0x1e0 [ 9315.841825][ T7704] [ 9315.843998][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9315.843998][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9315.843998][ T7704] ipv6_find_idev+0x102/0x170 [ 9315.843998][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9315.843998][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9315.843998][ T7704] netlink_rcv_skb+0x130/0x360 [ 9315.843998][ T7704] netlink_unicast+0x449/0x710 [ 9315.843998][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9315.843998][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9315.843998][ T7704] ___sys_sendmsg+0xee/0x170 [ 9315.843998][ T7704] __sys_sendmsg+0xcd/0x170 [ 9315.843998][ T7704] do_syscall_64+0xc6/0x1e0 [ 9315.843998][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9315.843998][ T7704] [ 9315.845693][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9315.845693][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9315.845693][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9315.845693][ T7704] ipv6_find_idev+0x102/0x170 [ 9315.845693][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9315.845693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9315.845693][ T7704] netlink_rcv_skb+0x130/0x360 [ 9315.845693][ T7704] netlink_unicast+0x449/0x710 [ 9315.845693][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9315.845693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9315.845693][ T7704] ___sys_sendmsg+0xee/0x170 [ 9315.845693][ T7704] __sys_sendmsg+0xcd/0x170 [ 9315.845693][ T7704] do_syscall_64+0xc6/0x1e0 [ 9315.845693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9315.845693][ T7704] [ 9326.084822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9326.085290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9326.085290][ T7704] netdev_get_by_index+0x5e/0x80 [ 9326.085290][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9326.085290][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9326.085290][ T7704] ip6_route_add+0x1c/0x140 [ 9326.085290][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9326.085290][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9326.085290][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9326.085290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9326.085290][ T7704] netlink_rcv_skb+0x130/0x360 [ 9326.085290][ T7704] netlink_unicast+0x449/0x710 [ 9326.085290][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9326.085290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9326.085290][ T7704] ___sys_sendmsg+0xee/0x170 [ 9326.085290][ T7704] __sys_sendmsg+0xcd/0x170 [ 9326.085290][ T7704] do_syscall_64+0xc6/0x1e0 [ 9326.085290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9326.085290][ T7704] [ 9326.087521][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9326.087521][ T7704] netdev_get_by_index+0x5e/0x80 [ 9326.087521][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9326.087521][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9326.087521][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9326.087521][ T7704] ipv6_add_addr+0x411/0x2000 [ 9326.087521][ T7704] inet6_addr_add+0x30e/0xa40 [ 9326.087521][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9326.087521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9326.087521][ T7704] netlink_rcv_skb+0x130/0x360 [ 9326.087521][ T7704] netlink_unicast+0x449/0x710 [ 9326.087521][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9326.087521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9326.087521][ T7704] ___sys_sendmsg+0xee/0x170 [ 9326.087521][ T7704] __sys_sendmsg+0xcd/0x170 [ 9326.087521][ T7704] do_syscall_64+0xc6/0x1e0 [ 9326.087521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9326.087521][ T7704] [ 9326.089739][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9326.089739][ T7704] netdev_get_by_index+0x5e/0x80 [ 9326.089739][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9326.089739][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9326.089739][ T7704] ip6_route_add+0x1c/0x140 [ 9326.089739][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9326.089739][ T7704] addrconf_add_dev+0xe2/0x170 [ 9326.089739][ T7704] inet6_addr_add+0x12f/0xa40 [ 9326.089739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9326.089739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9326.089739][ T7704] netlink_rcv_skb+0x130/0x360 [ 9326.089739][ T7704] netlink_unicast+0x449/0x710 [ 9326.089739][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9326.089739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9326.089739][ T7704] ___sys_sendmsg+0xee/0x170 [ 9326.089739][ T7704] __sys_sendmsg+0xcd/0x170 [ 9326.089739][ T7704] do_syscall_64+0xc6/0x1e0 [ 9326.089739][ T7704] [ 9326.091912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9326.091912][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9326.091912][ T7704] ipv6_find_idev+0x102/0x170 [ 9326.091912][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9326.091912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9326.091912][ T7704] netlink_rcv_skb+0x130/0x360 [ 9326.091912][ T7704] netlink_unicast+0x449/0x710 [ 9326.091912][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9326.091912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9326.091912][ T7704] ___sys_sendmsg+0xee/0x170 [ 9326.091912][ T7704] __sys_sendmsg+0xcd/0x170 [ 9326.091912][ T7704] do_syscall_64+0xc6/0x1e0 [ 9326.091912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9326.091912][ T7704] [ 9326.093608][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9326.093608][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9326.093608][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9326.093608][ T7704] ipv6_find_idev+0x102/0x170 [ 9326.093608][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9326.093608][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9326.093608][ T7704] netlink_rcv_skb+0x130/0x360 [ 9326.093608][ T7704] netlink_unicast+0x449/0x710 [ 9326.093608][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9326.093608][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9326.093608][ T7704] ___sys_sendmsg+0xee/0x170 [ 9326.093608][ T7704] __sys_sendmsg+0xcd/0x170 [ 9326.093608][ T7704] do_syscall_64+0xc6/0x1e0 [ 9326.093608][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9326.093608][ T7704] [ 9336.332832][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9336.333301][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9336.333301][ T7704] netdev_get_by_index+0x5e/0x80 [ 9336.333301][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9336.333301][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9336.333301][ T7704] ip6_route_add+0x1c/0x140 [ 9336.333301][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9336.333301][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9336.333301][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9336.333301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9336.333301][ T7704] netlink_rcv_skb+0x130/0x360 [ 9336.333301][ T7704] netlink_unicast+0x449/0x710 [ 9336.333301][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9336.333301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9336.333301][ T7704] ___sys_sendmsg+0xee/0x170 [ 9336.333301][ T7704] __sys_sendmsg+0xcd/0x170 [ 9336.333301][ T7704] do_syscall_64+0xc6/0x1e0 [ 9336.333301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9336.333301][ T7704] [ 9336.335528][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9336.335528][ T7704] netdev_get_by_index+0x5e/0x80 [ 9336.335528][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9336.335528][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9336.335528][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9336.335528][ T7704] ipv6_add_addr+0x411/0x2000 [ 9336.335528][ T7704] inet6_addr_add+0x30e/0xa40 [ 9336.335528][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9336.335528][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9336.335528][ T7704] netlink_rcv_skb+0x130/0x360 [ 9336.335528][ T7704] netlink_unicast+0x449/0x710 [ 9336.335528][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9336.335528][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9336.335528][ T7704] ___sys_sendmsg+0xee/0x170 [ 9336.335528][ T7704] __sys_sendmsg+0xcd/0x170 [ 9336.335528][ T7704] do_syscall_64+0xc6/0x1e0 [ 9336.335528][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9336.335528][ T7704] [ 9336.337741][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9336.337741][ T7704] netdev_get_by_index+0x5e/0x80 [ 9336.337741][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9336.337741][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9336.337741][ T7704] ip6_route_add+0x1c/0x140 [ 9336.337741][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9336.337741][ T7704] addrconf_add_dev+0xe2/0x170 [ 9336.337741][ T7704] inet6_addr_add+0x12f/0xa40 [ 9336.337741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9336.337741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9336.337741][ T7704] netlink_rcv_skb+0x130/0x360 [ 9336.337741][ T7704] netlink_unicast+0x449/0x710 [ 9336.337741][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9336.337741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9336.337741][ T7704] ___sys_sendmsg+0xee/0x170 [ 9336.337741][ T7704] __sys_sendmsg+0xcd/0x170 [ 9336.337741][ T7704] do_syscall_64+0xc6/0x1e0 [ 9336.337741][ T7704] [ 9336.339916][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9336.339916][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9336.339916][ T7704] ipv6_find_idev+0x102/0x170 [ 9336.339916][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9336.339916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9336.339916][ T7704] netlink_rcv_skb+0x130/0x360 [ 9336.339916][ T7704] netlink_unicast+0x449/0x710 [ 9336.339916][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9336.339916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9336.339916][ T7704] ___sys_sendmsg+0xee/0x170 [ 9336.339916][ T7704] __sys_sendmsg+0xcd/0x170 [ 9336.339916][ T7704] do_syscall_64+0xc6/0x1e0 [ 9336.339916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9336.339916][ T7704] [ 9336.341611][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9336.341611][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9336.341611][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9336.341611][ T7704] ipv6_find_idev+0x102/0x170 [ 9336.341611][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9336.341611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9336.341611][ T7704] netlink_rcv_skb+0x130/0x360 [ 9336.341611][ T7704] netlink_unicast+0x449/0x710 [ 9336.341611][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9336.341611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9336.341611][ T7704] ___sys_sendmsg+0xee/0x170 [ 9336.341611][ T7704] __sys_sendmsg+0xcd/0x170 [ 9336.341611][ T7704] do_syscall_64+0xc6/0x1e0 [ 9336.341611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9336.341611][ T7704] [ 9346.580735][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9346.581179][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9346.581179][ T7704] netdev_get_by_index+0x5e/0x80 [ 9346.581179][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9346.581179][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9346.581179][ T7704] ip6_route_add+0x1c/0x140 [ 9346.581179][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9346.581179][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9346.581179][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9346.581179][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9346.581179][ T7704] netlink_rcv_skb+0x130/0x360 [ 9346.581179][ T7704] netlink_unicast+0x449/0x710 [ 9346.581179][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9346.581179][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9346.581179][ T7704] ___sys_sendmsg+0xee/0x170 [ 9346.581179][ T7704] __sys_sendmsg+0xcd/0x170 [ 9346.581179][ T7704] do_syscall_64+0xc6/0x1e0 [ 9346.581179][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9346.581179][ T7704] [ 9346.583418][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9346.583418][ T7704] netdev_get_by_index+0x5e/0x80 [ 9346.583418][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9346.583418][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9346.583418][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9346.583418][ T7704] ipv6_add_addr+0x411/0x2000 [ 9346.583418][ T7704] inet6_addr_add+0x30e/0xa40 [ 9346.583418][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9346.583418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9346.583418][ T7704] netlink_rcv_skb+0x130/0x360 [ 9346.583418][ T7704] netlink_unicast+0x449/0x710 [ 9346.583418][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9346.583418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9346.583418][ T7704] ___sys_sendmsg+0xee/0x170 [ 9346.583418][ T7704] __sys_sendmsg+0xcd/0x170 [ 9346.583418][ T7704] do_syscall_64+0xc6/0x1e0 [ 9346.583418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9346.583418][ T7704] [ 9346.585634][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9346.585634][ T7704] netdev_get_by_index+0x5e/0x80 [ 9346.585634][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9346.585634][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9346.585634][ T7704] ip6_route_add+0x1c/0x140 [ 9346.585634][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9346.585634][ T7704] addrconf_add_dev+0xe2/0x170 [ 9346.585634][ T7704] inet6_addr_add+0x12f/0xa40 [ 9346.585634][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9346.585634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9346.585634][ T7704] netlink_rcv_skb+0x130/0x360 [ 9346.585634][ T7704] netlink_unicast+0x449/0x710 [ 9346.585634][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9346.585634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9346.585634][ T7704] ___sys_sendmsg+0xee/0x170 [ 9346.585634][ T7704] __sys_sendmsg+0xcd/0x170 [ 9346.585634][ T7704] do_syscall_64+0xc6/0x1e0 [ 9346.585634][ T7704] [ 9346.587819][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9346.587819][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9346.587819][ T7704] ipv6_find_idev+0x102/0x170 [ 9346.587819][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9346.587819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9346.587819][ T7704] netlink_rcv_skb+0x130/0x360 [ 9346.587819][ T7704] netlink_unicast+0x449/0x710 [ 9346.587819][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9346.587819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9346.587819][ T7704] ___sys_sendmsg+0xee/0x170 [ 9346.587819][ T7704] __sys_sendmsg+0xcd/0x170 [ 9346.587819][ T7704] do_syscall_64+0xc6/0x1e0 [ 9346.587819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9346.587819][ T7704] [ 9346.589535][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9346.589535][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9346.589535][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9346.589535][ T7704] ipv6_find_idev+0x102/0x170 [ 9346.589535][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9346.589535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9346.589535][ T7704] netlink_rcv_skb+0x130/0x360 [ 9346.589535][ T7704] netlink_unicast+0x449/0x710 [ 9346.589535][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9346.589535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9346.589535][ T7704] ___sys_sendmsg+0xee/0x170 [ 9346.589535][ T7704] __sys_sendmsg+0xcd/0x170 [ 9346.589535][ T7704] do_syscall_64+0xc6/0x1e0 [ 9346.589535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9346.589535][ T7704] [ 9356.828793][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9356.829219][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9356.829219][ T7704] netdev_get_by_index+0x5e/0x80 [ 9356.829219][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9356.829219][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9356.829219][ T7704] ip6_route_add+0x1c/0x140 [ 9356.829219][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9356.829219][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9356.829219][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9356.829219][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9356.829219][ T7704] netlink_rcv_skb+0x130/0x360 [ 9356.829219][ T7704] netlink_unicast+0x449/0x710 [ 9356.829219][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9356.829219][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9356.829219][ T7704] ___sys_sendmsg+0xee/0x170 [ 9356.829219][ T7704] __sys_sendmsg+0xcd/0x170 [ 9356.829219][ T7704] do_syscall_64+0xc6/0x1e0 [ 9356.829219][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9356.829219][ T7704] [ 9356.831481][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9356.831481][ T7704] netdev_get_by_index+0x5e/0x80 [ 9356.831481][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9356.831481][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9356.831481][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9356.831481][ T7704] ipv6_add_addr+0x411/0x2000 [ 9356.831481][ T7704] inet6_addr_add+0x30e/0xa40 [ 9356.831481][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9356.831481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9356.831481][ T7704] netlink_rcv_skb+0x130/0x360 [ 9356.831481][ T7704] netlink_unicast+0x449/0x710 [ 9356.831481][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9356.831481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9356.831481][ T7704] ___sys_sendmsg+0xee/0x170 [ 9356.831481][ T7704] __sys_sendmsg+0xcd/0x170 [ 9356.831481][ T7704] do_syscall_64+0xc6/0x1e0 [ 9356.831481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9356.831481][ T7704] [ 9356.833710][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9356.833710][ T7704] netdev_get_by_index+0x5e/0x80 [ 9356.833710][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9356.833710][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9356.833710][ T7704] ip6_route_add+0x1c/0x140 [ 9356.833710][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9356.833710][ T7704] addrconf_add_dev+0xe2/0x170 [ 9356.833710][ T7704] inet6_addr_add+0x12f/0xa40 [ 9356.833710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9356.833710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9356.833710][ T7704] netlink_rcv_skb+0x130/0x360 [ 9356.833710][ T7704] netlink_unicast+0x449/0x710 [ 9356.833710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9356.833710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9356.833710][ T7704] ___sys_sendmsg+0xee/0x170 [ 9356.833710][ T7704] __sys_sendmsg+0xcd/0x170 [ 9356.833710][ T7704] do_syscall_64+0xc6/0x1e0 [ 9356.833710][ T7704] [ 9356.835905][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9356.835905][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9356.835905][ T7704] ipv6_find_idev+0x102/0x170 [ 9356.835905][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9356.835905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9356.835905][ T7704] netlink_rcv_skb+0x130/0x360 [ 9356.835905][ T7704] netlink_unicast+0x449/0x710 [ 9356.835905][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9356.835905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9356.835905][ T7704] ___sys_sendmsg+0xee/0x170 [ 9356.835905][ T7704] __sys_sendmsg+0xcd/0x170 [ 9356.835905][ T7704] do_syscall_64+0xc6/0x1e0 [ 9356.835905][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9356.835905][ T7704] [ 9356.837640][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9356.837640][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9356.837640][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9356.837640][ T7704] ipv6_find_idev+0x102/0x170 [ 9356.837640][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9356.837640][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9356.837640][ T7704] netlink_rcv_skb+0x130/0x360 [ 9356.837640][ T7704] netlink_unicast+0x449/0x710 [ 9356.837640][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9356.837640][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9356.837640][ T7704] ___sys_sendmsg+0xee/0x170 [ 9356.837640][ T7704] __sys_sendmsg+0xcd/0x170 [ 9356.837640][ T7704] do_syscall_64+0xc6/0x1e0 [ 9356.837640][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9356.837640][ T7704] [ 9367.076817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9367.077235][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9367.077235][ T7704] netdev_get_by_index+0x5e/0x80 [ 9367.077235][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9367.077235][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9367.077235][ T7704] ip6_route_add+0x1c/0x140 [ 9367.077235][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9367.077235][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9367.077235][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9367.077235][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9367.077235][ T7704] netlink_rcv_skb+0x130/0x360 [ 9367.077235][ T7704] netlink_unicast+0x449/0x710 [ 9367.077235][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9367.077235][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9367.077235][ T7704] ___sys_sendmsg+0xee/0x170 [ 9367.077235][ T7704] __sys_sendmsg+0xcd/0x170 [ 9367.077235][ T7704] do_syscall_64+0xc6/0x1e0 [ 9367.077235][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9367.077235][ T7704] [ 9367.079474][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9367.079474][ T7704] netdev_get_by_index+0x5e/0x80 [ 9367.079474][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9367.079474][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9367.079474][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9367.079474][ T7704] ipv6_add_addr+0x411/0x2000 [ 9367.079474][ T7704] inet6_addr_add+0x30e/0xa40 [ 9367.079474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9367.079474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9367.079474][ T7704] netlink_rcv_skb+0x130/0x360 [ 9367.079474][ T7704] netlink_unicast+0x449/0x710 [ 9367.079474][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9367.079474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9367.079474][ T7704] ___sys_sendmsg+0xee/0x170 [ 9367.079474][ T7704] __sys_sendmsg+0xcd/0x170 [ 9367.079474][ T7704] do_syscall_64+0xc6/0x1e0 [ 9367.079474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9367.079474][ T7704] [ 9367.081725][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9367.081725][ T7704] netdev_get_by_index+0x5e/0x80 [ 9367.081725][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9367.081725][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9367.081725][ T7704] ip6_route_add+0x1c/0x140 [ 9367.081725][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9367.081725][ T7704] addrconf_add_dev+0xe2/0x170 [ 9367.081725][ T7704] inet6_addr_add+0x12f/0xa40 [ 9367.081725][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9367.081725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9367.081725][ T7704] netlink_rcv_skb+0x130/0x360 [ 9367.081725][ T7704] netlink_unicast+0x449/0x710 [ 9367.081725][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9367.081725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9367.081725][ T7704] ___sys_sendmsg+0xee/0x170 [ 9367.081725][ T7704] __sys_sendmsg+0xcd/0x170 [ 9367.081725][ T7704] do_syscall_64+0xc6/0x1e0 [ 9367.081725][ T7704] [ 9367.083893][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9367.083893][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9367.083893][ T7704] ipv6_find_idev+0x102/0x170 [ 9367.083893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9367.083893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9367.083893][ T7704] netlink_rcv_skb+0x130/0x360 [ 9367.083893][ T7704] netlink_unicast+0x449/0x710 [ 9367.083893][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9367.083893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9367.083893][ T7704] ___sys_sendmsg+0xee/0x170 [ 9367.083893][ T7704] __sys_sendmsg+0xcd/0x170 [ 9367.083893][ T7704] do_syscall_64+0xc6/0x1e0 [ 9367.083893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9367.083893][ T7704] [ 9367.085587][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9367.085587][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9367.085587][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9367.085587][ T7704] ipv6_find_idev+0x102/0x170 [ 9367.085587][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9367.085587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9367.085587][ T7704] netlink_rcv_skb+0x130/0x360 [ 9367.085587][ T7704] netlink_unicast+0x449/0x710 [ 9367.085587][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9367.085587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9367.085587][ T7704] ___sys_sendmsg+0xee/0x170 [ 9367.085587][ T7704] __sys_sendmsg+0xcd/0x170 [ 9367.085587][ T7704] do_syscall_64+0xc6/0x1e0 [ 9367.085587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9367.085587][ T7704] [ 9377.148811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9377.149288][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9377.149288][ T7704] netdev_get_by_index+0x5e/0x80 [ 9377.149288][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9377.149288][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9377.149288][ T7704] ip6_route_add+0x1c/0x140 [ 9377.149288][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9377.149288][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9377.149288][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9377.149288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9377.149288][ T7704] netlink_rcv_skb+0x130/0x360 [ 9377.149288][ T7704] netlink_unicast+0x449/0x710 [ 9377.149288][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9377.149288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9377.149288][ T7704] ___sys_sendmsg+0xee/0x170 [ 9377.149288][ T7704] __sys_sendmsg+0xcd/0x170 [ 9377.149288][ T7704] do_syscall_64+0xc6/0x1e0 [ 9377.149288][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9377.149288][ T7704] [ 9377.151745][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9377.151745][ T7704] netdev_get_by_index+0x5e/0x80 [ 9377.151745][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9377.151745][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9377.151745][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9377.151745][ T7704] ipv6_add_addr+0x411/0x2000 [ 9377.151745][ T7704] inet6_addr_add+0x30e/0xa40 [ 9377.151745][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9377.151745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9377.151745][ T7704] netlink_rcv_skb+0x130/0x360 [ 9377.151745][ T7704] netlink_unicast+0x449/0x710 [ 9377.151745][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9377.151745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9377.151745][ T7704] ___sys_sendmsg+0xee/0x170 [ 9377.151745][ T7704] __sys_sendmsg+0xcd/0x170 [ 9377.151745][ T7704] do_syscall_64+0xc6/0x1e0 [ 9377.151745][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9377.151745][ T7704] [ 9377.154169][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9377.154169][ T7704] netdev_get_by_index+0x5e/0x80 [ 9377.154169][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9377.154169][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9377.154169][ T7704] ip6_route_add+0x1c/0x140 [ 9377.154169][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9377.154169][ T7704] addrconf_add_dev+0xe2/0x170 [ 9377.154169][ T7704] inet6_addr_add+0x12f/0xa40 [ 9377.154169][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9377.154169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9377.154169][ T7704] netlink_rcv_skb+0x130/0x360 [ 9377.154169][ T7704] netlink_unicast+0x449/0x710 [ 9377.154169][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9377.154169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9377.154169][ T7704] ___sys_sendmsg+0xee/0x170 [ 9377.154169][ T7704] __sys_sendmsg+0xcd/0x170 [ 9377.154169][ T7704] do_syscall_64+0xc6/0x1e0 [ 9377.154169][ T7704] [ 9377.156568][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9377.156568][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9377.156568][ T7704] ipv6_find_idev+0x102/0x170 [ 9377.156568][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9377.156568][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9377.156568][ T7704] netlink_rcv_skb+0x130/0x360 [ 9377.156568][ T7704] netlink_unicast+0x449/0x710 [ 9377.156568][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9377.156568][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9377.156568][ T7704] ___sys_sendmsg+0xee/0x170 [ 9377.156568][ T7704] __sys_sendmsg+0xcd/0x170 [ 9377.156568][ T7704] do_syscall_64+0xc6/0x1e0 [ 9377.156568][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9377.156568][ T7704] [ 9377.158942][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9377.158942][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9377.158942][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9377.158942][ T7704] ipv6_find_idev+0x102/0x170 [ 9377.158942][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9377.158942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9377.158942][ T7704] netlink_rcv_skb+0x130/0x360 [ 9377.158942][ T7704] netlink_unicast+0x449/0x710 [ 9377.158942][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9377.158942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9377.158942][ T7704] ___sys_sendmsg+0xee/0x170 [ 9377.158942][ T7704] __sys_sendmsg+0xcd/0x170 [ 9377.158942][ T7704] do_syscall_64+0xc6/0x1e0 [ 9377.158942][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9377.158942][ T7704] [ 9387.396804][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9387.397280][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9387.397280][ T7704] netdev_get_by_index+0x5e/0x80 [ 9387.397280][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9387.397280][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9387.397280][ T7704] ip6_route_add+0x1c/0x140 [ 9387.397280][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9387.397280][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9387.397280][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9387.397280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9387.397280][ T7704] netlink_rcv_skb+0x130/0x360 [ 9387.397280][ T7704] netlink_unicast+0x449/0x710 [ 9387.397280][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9387.397280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9387.397280][ T7704] ___sys_sendmsg+0xee/0x170 [ 9387.397280][ T7704] __sys_sendmsg+0xcd/0x170 [ 9387.397280][ T7704] do_syscall_64+0xc6/0x1e0 [ 9387.397280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9387.397280][ T7704] [ 9387.399767][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9387.399767][ T7704] netdev_get_by_index+0x5e/0x80 [ 9387.399767][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9387.399767][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9387.399767][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9387.399767][ T7704] ipv6_add_addr+0x411/0x2000 [ 9387.399767][ T7704] inet6_addr_add+0x30e/0xa40 [ 9387.399767][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9387.399767][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9387.399767][ T7704] netlink_rcv_skb+0x130/0x360 [ 9387.399767][ T7704] netlink_unicast+0x449/0x710 [ 9387.399767][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9387.399767][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9387.399767][ T7704] ___sys_sendmsg+0xee/0x170 [ 9387.399767][ T7704] __sys_sendmsg+0xcd/0x170 [ 9387.399767][ T7704] do_syscall_64+0xc6/0x1e0 [ 9387.399767][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9387.399767][ T7704] [ 9387.402190][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9387.402190][ T7704] netdev_get_by_index+0x5e/0x80 [ 9387.402190][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9387.402190][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9387.402190][ T7704] ip6_route_add+0x1c/0x140 [ 9387.402190][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9387.402190][ T7704] addrconf_add_dev+0xe2/0x170 [ 9387.402190][ T7704] inet6_addr_add+0x12f/0xa40 [ 9387.402190][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9387.402190][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9387.402190][ T7704] netlink_rcv_skb+0x130/0x360 [ 9387.402190][ T7704] netlink_unicast+0x449/0x710 [ 9387.402190][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9387.402190][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9387.402190][ T7704] ___sys_sendmsg+0xee/0x170 [ 9387.402190][ T7704] __sys_sendmsg+0xcd/0x170 [ 9387.402190][ T7704] do_syscall_64+0xc6/0x1e0 [ 9387.402190][ T7704] [ 9387.404578][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9387.404578][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9387.404578][ T7704] ipv6_find_idev+0x102/0x170 [ 9387.404578][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9387.404578][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9387.404578][ T7704] netlink_rcv_skb+0x130/0x360 [ 9387.404578][ T7704] netlink_unicast+0x449/0x710 [ 9387.404578][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9387.404578][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9387.404578][ T7704] ___sys_sendmsg+0xee/0x170 [ 9387.404578][ T7704] __sys_sendmsg+0xcd/0x170 [ 9387.404578][ T7704] do_syscall_64+0xc6/0x1e0 [ 9387.404578][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9387.404578][ T7704] [ 9387.406453][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9387.406453][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9387.406453][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9387.406453][ T7704] ipv6_find_idev+0x102/0x170 [ 9387.406453][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9387.406453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9387.406453][ T7704] netlink_rcv_skb+0x130/0x360 [ 9387.406453][ T7704] netlink_unicast+0x449/0x710 [ 9387.406453][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9387.406453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9387.406453][ T7704] ___sys_sendmsg+0xee/0x170 [ 9387.406453][ T7704] __sys_sendmsg+0xcd/0x170 [ 9387.406453][ T7704] do_syscall_64+0xc6/0x1e0 [ 9387.406453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9387.406453][ T7704] [ 9397.612795][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9397.613273][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9397.613273][ T7704] netdev_get_by_index+0x5e/0x80 [ 9397.613273][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9397.613273][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9397.613273][ T7704] ip6_route_add+0x1c/0x140 [ 9397.613273][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9397.613273][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9397.613273][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9397.613273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9397.613273][ T7704] netlink_rcv_skb+0x130/0x360 [ 9397.613273][ T7704] netlink_unicast+0x449/0x710 [ 9397.613273][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9397.613273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9397.613273][ T7704] ___sys_sendmsg+0xee/0x170 [ 9397.613273][ T7704] __sys_sendmsg+0xcd/0x170 [ 9397.613273][ T7704] do_syscall_64+0xc6/0x1e0 [ 9397.613273][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9397.613273][ T7704] [ 9397.615721][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9397.615721][ T7704] netdev_get_by_index+0x5e/0x80 [ 9397.615721][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9397.615721][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9397.615721][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9397.615721][ T7704] ipv6_add_addr+0x411/0x2000 [ 9397.615721][ T7704] inet6_addr_add+0x30e/0xa40 [ 9397.615721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9397.615721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9397.615721][ T7704] netlink_rcv_skb+0x130/0x360 [ 9397.615721][ T7704] netlink_unicast+0x449/0x710 [ 9397.615721][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9397.615721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9397.615721][ T7704] ___sys_sendmsg+0xee/0x170 [ 9397.615721][ T7704] __sys_sendmsg+0xcd/0x170 [ 9397.615721][ T7704] do_syscall_64+0xc6/0x1e0 [ 9397.615721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9397.615721][ T7704] [ 9397.618167][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9397.618167][ T7704] netdev_get_by_index+0x5e/0x80 [ 9397.618167][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9397.618167][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9397.618167][ T7704] ip6_route_add+0x1c/0x140 [ 9397.618167][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9397.618167][ T7704] addrconf_add_dev+0xe2/0x170 [ 9397.618167][ T7704] inet6_addr_add+0x12f/0xa40 [ 9397.618167][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9397.618167][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9397.618167][ T7704] netlink_rcv_skb+0x130/0x360 [ 9397.618167][ T7704] netlink_unicast+0x449/0x710 [ 9397.618167][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9397.618167][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9397.618167][ T7704] ___sys_sendmsg+0xee/0x170 [ 9397.618167][ T7704] __sys_sendmsg+0xcd/0x170 [ 9397.618167][ T7704] do_syscall_64+0xc6/0x1e0 [ 9397.618167][ T7704] [ 9397.620562][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9397.620562][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9397.620562][ T7704] ipv6_find_idev+0x102/0x170 [ 9397.620562][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9397.620562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9397.620562][ T7704] netlink_rcv_skb+0x130/0x360 [ 9397.620562][ T7704] netlink_unicast+0x449/0x710 [ 9397.620562][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9397.620562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9397.620562][ T7704] ___sys_sendmsg+0xee/0x170 [ 9397.620562][ T7704] __sys_sendmsg+0xcd/0x170 [ 9397.620562][ T7704] do_syscall_64+0xc6/0x1e0 [ 9397.620562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9397.620562][ T7704] [ 9397.622427][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9397.622427][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9397.622427][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9397.622427][ T7704] ipv6_find_idev+0x102/0x170 [ 9397.622427][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9397.622427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9397.622427][ T7704] netlink_rcv_skb+0x130/0x360 [ 9397.622427][ T7704] netlink_unicast+0x449/0x710 [ 9397.622427][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9397.622427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9397.622427][ T7704] ___sys_sendmsg+0xee/0x170 [ 9397.622427][ T7704] __sys_sendmsg+0xcd/0x170 [ 9397.622427][ T7704] do_syscall_64+0xc6/0x1e0 [ 9397.622427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9397.622427][ T7704] [ 9407.708758][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9407.709240][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9407.709240][ T7704] netdev_get_by_index+0x5e/0x80 [ 9407.709240][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9407.709240][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9407.709240][ T7704] ip6_route_add+0x1c/0x140 [ 9407.709240][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9407.709240][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9407.709240][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9407.709240][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9407.709240][ T7704] netlink_rcv_skb+0x130/0x360 [ 9407.709240][ T7704] netlink_unicast+0x449/0x710 [ 9407.709240][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9407.709240][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9407.709240][ T7704] ___sys_sendmsg+0xee/0x170 [ 9407.709240][ T7704] __sys_sendmsg+0xcd/0x170 [ 9407.709240][ T7704] do_syscall_64+0xc6/0x1e0 [ 9407.709240][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9407.709240][ T7704] [ 9407.711767][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9407.711767][ T7704] netdev_get_by_index+0x5e/0x80 [ 9407.711767][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9407.711767][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9407.711767][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9407.711767][ T7704] ipv6_add_addr+0x411/0x2000 [ 9407.711767][ T7704] inet6_addr_add+0x30e/0xa40 [ 9407.711767][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9407.711767][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9407.711767][ T7704] netlink_rcv_skb+0x130/0x360 [ 9407.711767][ T7704] netlink_unicast+0x449/0x710 [ 9407.711767][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9407.711767][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9407.711767][ T7704] ___sys_sendmsg+0xee/0x170 [ 9407.711767][ T7704] __sys_sendmsg+0xcd/0x170 [ 9407.711767][ T7704] do_syscall_64+0xc6/0x1e0 [ 9407.711767][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9407.711767][ T7704] [ 9407.714117][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9407.714117][ T7704] netdev_get_by_index+0x5e/0x80 [ 9407.714117][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9407.714117][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9407.714117][ T7704] ip6_route_add+0x1c/0x140 [ 9407.714117][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9407.714117][ T7704] addrconf_add_dev+0xe2/0x170 [ 9407.714117][ T7704] inet6_addr_add+0x12f/0xa40 [ 9407.714117][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9407.714117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9407.714117][ T7704] netlink_rcv_skb+0x130/0x360 [ 9407.714117][ T7704] netlink_unicast+0x449/0x710 [ 9407.714117][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9407.714117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9407.714117][ T7704] ___sys_sendmsg+0xee/0x170 [ 9407.714117][ T7704] __sys_sendmsg+0xcd/0x170 [ 9407.714117][ T7704] do_syscall_64+0xc6/0x1e0 [ 9407.714117][ T7704] [ 9407.716423][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9407.716423][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9407.716423][ T7704] ipv6_find_idev+0x102/0x170 [ 9407.716423][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9407.716423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9407.716423][ T7704] netlink_rcv_skb+0x130/0x360 [ 9407.716423][ T7704] netlink_unicast+0x449/0x710 [ 9407.716423][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9407.716423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9407.716423][ T7704] ___sys_sendmsg+0xee/0x170 [ 9407.716423][ T7704] __sys_sendmsg+0xcd/0x170 [ 9407.716423][ T7704] do_syscall_64+0xc6/0x1e0 [ 9407.716423][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9407.716423][ T7704] [ 9407.718227][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9407.718227][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9407.718227][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9407.718227][ T7704] ipv6_find_idev+0x102/0x170 [ 9407.718227][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9407.718227][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9407.718227][ T7704] netlink_rcv_skb+0x130/0x360 [ 9407.718227][ T7704] netlink_unicast+0x449/0x710 [ 9407.718227][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9407.718227][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9407.718227][ T7704] ___sys_sendmsg+0xee/0x170 [ 9407.718227][ T7704] __sys_sendmsg+0xcd/0x170 [ 9407.718227][ T7704] do_syscall_64+0xc6/0x1e0 [ 9407.718227][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9407.718227][ T7704] [ 9417.956826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9417.957338][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9417.957338][ T7704] netdev_get_by_index+0x5e/0x80 [ 9417.957338][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9417.957338][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9417.957338][ T7704] ip6_route_add+0x1c/0x140 [ 9417.957338][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9417.957338][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9417.957338][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9417.957338][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9417.957338][ T7704] netlink_rcv_skb+0x130/0x360 [ 9417.957338][ T7704] netlink_unicast+0x449/0x710 [ 9417.957338][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9417.957338][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9417.957338][ T7704] ___sys_sendmsg+0xee/0x170 [ 9417.957338][ T7704] __sys_sendmsg+0xcd/0x170 [ 9417.957338][ T7704] do_syscall_64+0xc6/0x1e0 [ 9417.957338][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9417.957338][ T7704] [ 9417.959561][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9417.959561][ T7704] netdev_get_by_index+0x5e/0x80 [ 9417.959561][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9417.959561][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9417.959561][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9417.959561][ T7704] ipv6_add_addr+0x411/0x2000 [ 9417.959561][ T7704] inet6_addr_add+0x30e/0xa40 [ 9417.959561][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9417.959561][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9417.959561][ T7704] netlink_rcv_skb+0x130/0x360 [ 9417.959561][ T7704] netlink_unicast+0x449/0x710 [ 9417.959561][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9417.959561][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9417.959561][ T7704] ___sys_sendmsg+0xee/0x170 [ 9417.959561][ T7704] __sys_sendmsg+0xcd/0x170 [ 9417.959561][ T7704] do_syscall_64+0xc6/0x1e0 [ 9417.959561][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9417.959561][ T7704] [ 9417.961756][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9417.961756][ T7704] netdev_get_by_index+0x5e/0x80 [ 9417.961756][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9417.961756][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9417.961756][ T7704] ip6_route_add+0x1c/0x140 [ 9417.961756][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9417.961756][ T7704] addrconf_add_dev+0xe2/0x170 [ 9417.961756][ T7704] inet6_addr_add+0x12f/0xa40 [ 9417.961756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9417.961756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9417.961756][ T7704] netlink_rcv_skb+0x130/0x360 [ 9417.961756][ T7704] netlink_unicast+0x449/0x710 [ 9417.961756][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9417.961756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9417.961756][ T7704] ___sys_sendmsg+0xee/0x170 [ 9417.961756][ T7704] __sys_sendmsg+0xcd/0x170 [ 9417.961756][ T7704] do_syscall_64+0xc6/0x1e0 [ 9417.961756][ T7704] [ 9417.963922][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9417.963922][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9417.963922][ T7704] ipv6_find_idev+0x102/0x170 [ 9417.963922][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9417.963922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9417.963922][ T7704] netlink_rcv_skb+0x130/0x360 [ 9417.963922][ T7704] netlink_unicast+0x449/0x710 [ 9417.963922][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9417.963922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9417.963922][ T7704] ___sys_sendmsg+0xee/0x170 [ 9417.963922][ T7704] __sys_sendmsg+0xcd/0x170 [ 9417.963922][ T7704] do_syscall_64+0xc6/0x1e0 [ 9417.963922][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9417.963922][ T7704] [ 9417.965616][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9417.965616][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9417.965616][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9417.965616][ T7704] ipv6_find_idev+0x102/0x170 [ 9417.965616][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9417.965616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9417.965616][ T7704] netlink_rcv_skb+0x130/0x360 [ 9417.965616][ T7704] netlink_unicast+0x449/0x710 [ 9417.965616][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9417.965616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9417.965616][ T7704] ___sys_sendmsg+0xee/0x170 [ 9417.965616][ T7704] __sys_sendmsg+0xcd/0x170 [ 9417.965616][ T7704] do_syscall_64+0xc6/0x1e0 [ 9417.965616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9417.965616][ T7704] [ 9428.204743][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9428.205381][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9428.205381][ T7704] netdev_get_by_index+0x5e/0x80 [ 9428.205381][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9428.205381][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9428.205381][ T7704] ip6_route_add+0x1c/0x140 [ 9428.205381][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9428.205381][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9428.205381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9428.205381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9428.205381][ T7704] netlink_rcv_skb+0x130/0x360 [ 9428.205381][ T7704] netlink_unicast+0x449/0x710 [ 9428.205381][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9428.205381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9428.205381][ T7704] ___sys_sendmsg+0xee/0x170 [ 9428.205381][ T7704] __sys_sendmsg+0xcd/0x170 [ 9428.205381][ T7704] do_syscall_64+0xc6/0x1e0 [ 9428.205381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9428.205381][ T7704] [ 9428.208502][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9428.208502][ T7704] netdev_get_by_index+0x5e/0x80 [ 9428.208502][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9428.208502][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9428.208502][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9428.208502][ T7704] ipv6_add_addr+0x411/0x2000 [ 9428.208502][ T7704] inet6_addr_add+0x30e/0xa40 [ 9428.208502][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9428.208502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9428.208502][ T7704] netlink_rcv_skb+0x130/0x360 [ 9428.208502][ T7704] netlink_unicast+0x449/0x710 [ 9428.208502][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9428.208502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9428.208502][ T7704] ___sys_sendmsg+0xee/0x170 [ 9428.208502][ T7704] __sys_sendmsg+0xcd/0x170 [ 9428.208502][ T7704] do_syscall_64+0xc6/0x1e0 [ 9428.208502][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9428.208502][ T7704] [ 9428.211898][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9428.211898][ T7704] netdev_get_by_index+0x5e/0x80 [ 9428.211898][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9428.211898][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9428.211898][ T7704] ip6_route_add+0x1c/0x140 [ 9428.211898][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9428.211898][ T7704] addrconf_add_dev+0xe2/0x170 [ 9428.211898][ T7704] inet6_addr_add+0x12f/0xa40 [ 9428.211898][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9428.211898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9428.211898][ T7704] netlink_rcv_skb+0x130/0x360 [ 9428.211898][ T7704] netlink_unicast+0x449/0x710 [ 9428.211898][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9428.211898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9428.211898][ T7704] ___sys_sendmsg+0xee/0x170 [ 9428.211898][ T7704] __sys_sendmsg+0xcd/0x170 [ 9428.211898][ T7704] do_syscall_64+0xc6/0x1e0 [ 9428.211898][ T7704] [ 9428.215313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9428.215313][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9428.215313][ T7704] ipv6_find_idev+0x102/0x170 [ 9428.215313][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9428.215313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9428.215313][ T7704] netlink_rcv_skb+0x130/0x360 [ 9428.215313][ T7704] netlink_unicast+0x449/0x710 [ 9428.215313][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9428.215313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9428.215313][ T7704] ___sys_sendmsg+0xee/0x170 [ 9428.215313][ T7704] __sys_sendmsg+0xcd/0x170 [ 9428.215313][ T7704] do_syscall_64+0xc6/0x1e0 [ 9428.215313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9428.215313][ T7704] [ 9428.217858][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9428.217858][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9428.217858][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9428.217858][ T7704] ipv6_find_idev+0x102/0x170 [ 9428.217858][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9428.217858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9428.217858][ T7704] netlink_rcv_skb+0x130/0x360 [ 9428.217858][ T7704] netlink_unicast+0x449/0x710 [ 9428.217858][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9428.217858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9428.217858][ T7704] ___sys_sendmsg+0xee/0x170 [ 9428.217858][ T7704] __sys_sendmsg+0xcd/0x170 [ 9428.217858][ T7704] do_syscall_64+0xc6/0x1e0 [ 9428.217858][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9428.217858][ T7704] [ 9438.460842][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9438.461269][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9438.461269][ T7704] netdev_get_by_index+0x5e/0x80 [ 9438.461269][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9438.461269][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9438.461269][ T7704] ip6_route_add+0x1c/0x140 [ 9438.461269][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9438.461269][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9438.461269][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9438.461269][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9438.461269][ T7704] netlink_rcv_skb+0x130/0x360 [ 9438.461269][ T7704] netlink_unicast+0x449/0x710 [ 9438.461269][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9438.461269][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9438.461269][ T7704] ___sys_sendmsg+0xee/0x170 [ 9438.461269][ T7704] __sys_sendmsg+0xcd/0x170 [ 9438.461269][ T7704] do_syscall_64+0xc6/0x1e0 [ 9438.461269][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9438.461269][ T7704] [ 9438.463726][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9438.463726][ T7704] netdev_get_by_index+0x5e/0x80 [ 9438.463726][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9438.463726][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9438.463726][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9438.463726][ T7704] ipv6_add_addr+0x411/0x2000 [ 9438.463726][ T7704] inet6_addr_add+0x30e/0xa40 [ 9438.463726][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9438.463726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9438.463726][ T7704] netlink_rcv_skb+0x130/0x360 [ 9438.463726][ T7704] netlink_unicast+0x449/0x710 [ 9438.463726][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9438.463726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9438.463726][ T7704] ___sys_sendmsg+0xee/0x170 [ 9438.463726][ T7704] __sys_sendmsg+0xcd/0x170 [ 9438.463726][ T7704] do_syscall_64+0xc6/0x1e0 [ 9438.463726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9438.463726][ T7704] [ 9438.466160][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9438.466160][ T7704] netdev_get_by_index+0x5e/0x80 [ 9438.466160][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9438.466160][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9438.466160][ T7704] ip6_route_add+0x1c/0x140 [ 9438.466160][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9438.466160][ T7704] addrconf_add_dev+0xe2/0x170 [ 9438.466160][ T7704] inet6_addr_add+0x12f/0xa40 [ 9438.466160][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9438.466160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9438.466160][ T7704] netlink_rcv_skb+0x130/0x360 [ 9438.466160][ T7704] netlink_unicast+0x449/0x710 [ 9438.466160][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9438.466160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9438.466160][ T7704] ___sys_sendmsg+0xee/0x170 [ 9438.466160][ T7704] __sys_sendmsg+0xcd/0x170 [ 9438.466160][ T7704] do_syscall_64+0xc6/0x1e0 [ 9438.466160][ T7704] [ 9438.468557][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9438.468557][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9438.468557][ T7704] ipv6_find_idev+0x102/0x170 [ 9438.468557][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9438.468557][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9438.468557][ T7704] netlink_rcv_skb+0x130/0x360 [ 9438.468557][ T7704] netlink_unicast+0x449/0x710 [ 9438.468557][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9438.468557][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9438.468557][ T7704] ___sys_sendmsg+0xee/0x170 [ 9438.468557][ T7704] __sys_sendmsg+0xcd/0x170 [ 9438.468557][ T7704] do_syscall_64+0xc6/0x1e0 [ 9438.468557][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9438.468557][ T7704] [ 9438.470423][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9438.470423][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9438.470423][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9438.470423][ T7704] ipv6_find_idev+0x102/0x170 [ 9438.470423][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9438.470423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9438.470423][ T7704] netlink_rcv_skb+0x130/0x360 [ 9438.470423][ T7704] netlink_unicast+0x449/0x710 [ 9438.470423][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9438.470423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9438.470423][ T7704] ___sys_sendmsg+0xee/0x170 [ 9438.470423][ T7704] __sys_sendmsg+0xcd/0x170 [ 9438.470423][ T7704] do_syscall_64+0xc6/0x1e0 [ 9438.470423][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9438.470423][ T7704] [ 9448.708801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9448.709287][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9448.709287][ T7704] netdev_get_by_index+0x5e/0x80 [ 9448.709287][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9448.709287][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9448.709287][ T7704] ip6_route_add+0x1c/0x140 [ 9448.709287][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9448.709287][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9448.709287][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9448.709287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9448.709287][ T7704] netlink_rcv_skb+0x130/0x360 [ 9448.709287][ T7704] netlink_unicast+0x449/0x710 [ 9448.709287][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9448.709287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9448.709287][ T7704] ___sys_sendmsg+0xee/0x170 [ 9448.709287][ T7704] __sys_sendmsg+0xcd/0x170 [ 9448.709287][ T7704] do_syscall_64+0xc6/0x1e0 [ 9448.709287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9448.709287][ T7704] [ 9448.711728][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9448.711728][ T7704] netdev_get_by_index+0x5e/0x80 [ 9448.711728][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9448.711728][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9448.711728][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9448.711728][ T7704] ipv6_add_addr+0x411/0x2000 [ 9448.711728][ T7704] inet6_addr_add+0x30e/0xa40 [ 9448.711728][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9448.711728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9448.711728][ T7704] netlink_rcv_skb+0x130/0x360 [ 9448.711728][ T7704] netlink_unicast+0x449/0x710 [ 9448.711728][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9448.711728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9448.711728][ T7704] ___sys_sendmsg+0xee/0x170 [ 9448.711728][ T7704] __sys_sendmsg+0xcd/0x170 [ 9448.711728][ T7704] do_syscall_64+0xc6/0x1e0 [ 9448.711728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9448.711728][ T7704] [ 9448.714129][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9448.714129][ T7704] netdev_get_by_index+0x5e/0x80 [ 9448.714129][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9448.714129][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9448.714129][ T7704] ip6_route_add+0x1c/0x140 [ 9448.714129][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9448.714129][ T7704] addrconf_add_dev+0xe2/0x170 [ 9448.714129][ T7704] inet6_addr_add+0x12f/0xa40 [ 9448.714129][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9448.714129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9448.714129][ T7704] netlink_rcv_skb+0x130/0x360 [ 9448.714129][ T7704] netlink_unicast+0x449/0x710 [ 9448.714129][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9448.714129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9448.714129][ T7704] ___sys_sendmsg+0xee/0x170 [ 9448.714129][ T7704] __sys_sendmsg+0xcd/0x170 [ 9448.714129][ T7704] do_syscall_64+0xc6/0x1e0 [ 9448.714129][ T7704] [ 9448.716301][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9448.716301][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9448.716301][ T7704] ipv6_find_idev+0x102/0x170 [ 9448.716301][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9448.716301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9448.716301][ T7704] netlink_rcv_skb+0x130/0x360 [ 9448.716301][ T7704] netlink_unicast+0x449/0x710 [ 9448.716301][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9448.716301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9448.716301][ T7704] ___sys_sendmsg+0xee/0x170 [ 9448.716301][ T7704] __sys_sendmsg+0xcd/0x170 [ 9448.716301][ T7704] do_syscall_64+0xc6/0x1e0 [ 9448.716301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9448.716301][ T7704] [ 9448.718003][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9448.718003][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9448.718003][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9448.718003][ T7704] ipv6_find_idev+0x102/0x170 [ 9448.718003][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9448.718003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9448.718003][ T7704] netlink_rcv_skb+0x130/0x360 [ 9448.718003][ T7704] netlink_unicast+0x449/0x710 [ 9448.718003][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9448.718003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9448.718003][ T7704] ___sys_sendmsg+0xee/0x170 [ 9448.718003][ T7704] __sys_sendmsg+0xcd/0x170 [ 9448.718003][ T7704] do_syscall_64+0xc6/0x1e0 [ 9448.718003][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9448.718003][ T7704] [ 9458.748836][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9458.749259][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9458.749259][ T7704] netdev_get_by_index+0x5e/0x80 [ 9458.749259][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9458.749259][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9458.749259][ T7704] ip6_route_add+0x1c/0x140 [ 9458.749259][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9458.749259][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9458.749259][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9458.749259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9458.749259][ T7704] netlink_rcv_skb+0x130/0x360 [ 9458.749259][ T7704] netlink_unicast+0x449/0x710 [ 9458.749259][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9458.749259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9458.749259][ T7704] ___sys_sendmsg+0xee/0x170 [ 9458.749259][ T7704] __sys_sendmsg+0xcd/0x170 [ 9458.749259][ T7704] do_syscall_64+0xc6/0x1e0 [ 9458.749259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9458.749259][ T7704] [ 9458.751714][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9458.751714][ T7704] netdev_get_by_index+0x5e/0x80 [ 9458.751714][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9458.751714][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9458.751714][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9458.751714][ T7704] ipv6_add_addr+0x411/0x2000 [ 9458.751714][ T7704] inet6_addr_add+0x30e/0xa40 [ 9458.751714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9458.751714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9458.751714][ T7704] netlink_rcv_skb+0x130/0x360 [ 9458.751714][ T7704] netlink_unicast+0x449/0x710 [ 9458.751714][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9458.751714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9458.751714][ T7704] ___sys_sendmsg+0xee/0x170 [ 9458.751714][ T7704] __sys_sendmsg+0xcd/0x170 [ 9458.751714][ T7704] do_syscall_64+0xc6/0x1e0 [ 9458.751714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9458.751714][ T7704] [ 9458.754140][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9458.754140][ T7704] netdev_get_by_index+0x5e/0x80 [ 9458.754140][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9458.754140][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9458.754140][ T7704] ip6_route_add+0x1c/0x140 [ 9458.754140][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9458.754140][ T7704] addrconf_add_dev+0xe2/0x170 [ 9458.754140][ T7704] inet6_addr_add+0x12f/0xa40 [ 9458.754140][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9458.754140][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9458.754140][ T7704] netlink_rcv_skb+0x130/0x360 [ 9458.754140][ T7704] netlink_unicast+0x449/0x710 [ 9458.754140][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9458.754140][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9458.754140][ T7704] ___sys_sendmsg+0xee/0x170 [ 9458.754140][ T7704] __sys_sendmsg+0xcd/0x170 [ 9458.754140][ T7704] do_syscall_64+0xc6/0x1e0 [ 9458.754140][ T7704] [ 9458.756511][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9458.756511][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9458.756511][ T7704] ipv6_find_idev+0x102/0x170 [ 9458.756511][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9458.756511][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9458.756511][ T7704] netlink_rcv_skb+0x130/0x360 [ 9458.756511][ T7704] netlink_unicast+0x449/0x710 [ 9458.756511][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9458.756511][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9458.756511][ T7704] ___sys_sendmsg+0xee/0x170 [ 9458.756511][ T7704] __sys_sendmsg+0xcd/0x170 [ 9458.756511][ T7704] do_syscall_64+0xc6/0x1e0 [ 9458.756511][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9458.756511][ T7704] [ 9458.758382][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9458.758382][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9458.758382][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9458.758382][ T7704] ipv6_find_idev+0x102/0x170 [ 9458.758382][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9458.758382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9458.758382][ T7704] netlink_rcv_skb+0x130/0x360 [ 9458.758382][ T7704] netlink_unicast+0x449/0x710 [ 9458.758382][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9458.758382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9458.758382][ T7704] ___sys_sendmsg+0xee/0x170 [ 9458.758382][ T7704] __sys_sendmsg+0xcd/0x170 [ 9458.758382][ T7704] do_syscall_64+0xc6/0x1e0 [ 9458.758382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9458.758382][ T7704] [ 9468.996817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9468.997322][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9468.997322][ T7704] netdev_get_by_index+0x5e/0x80 [ 9468.997322][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9468.997322][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9468.997322][ T7704] ip6_route_add+0x1c/0x140 [ 9468.997322][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9468.997322][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9468.997322][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9468.997322][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9468.997322][ T7704] netlink_rcv_skb+0x130/0x360 [ 9468.997322][ T7704] netlink_unicast+0x449/0x710 [ 9468.997322][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9468.997322][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9468.997322][ T7704] ___sys_sendmsg+0xee/0x170 [ 9468.997322][ T7704] __sys_sendmsg+0xcd/0x170 [ 9468.997322][ T7704] do_syscall_64+0xc6/0x1e0 [ 9468.997322][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9468.997322][ T7704] [ 9468.999771][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9468.999771][ T7704] netdev_get_by_index+0x5e/0x80 [ 9468.999771][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9468.999771][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9468.999771][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9468.999771][ T7704] ipv6_add_addr+0x411/0x2000 [ 9468.999771][ T7704] inet6_addr_add+0x30e/0xa40 [ 9468.999771][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9468.999771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9468.999771][ T7704] netlink_rcv_skb+0x130/0x360 [ 9468.999771][ T7704] netlink_unicast+0x449/0x710 [ 9468.999771][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9468.999771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9468.999771][ T7704] ___sys_sendmsg+0xee/0x170 [ 9468.999771][ T7704] __sys_sendmsg+0xcd/0x170 [ 9468.999771][ T7704] do_syscall_64+0xc6/0x1e0 [ 9468.999771][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9468.999771][ T7704] [ 9469.002212][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9469.002212][ T7704] netdev_get_by_index+0x5e/0x80 [ 9469.002212][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9469.002212][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9469.002212][ T7704] ip6_route_add+0x1c/0x140 [ 9469.002212][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9469.002212][ T7704] addrconf_add_dev+0xe2/0x170 [ 9469.002212][ T7704] inet6_addr_add+0x12f/0xa40 [ 9469.002212][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9469.002212][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9469.002212][ T7704] netlink_rcv_skb+0x130/0x360 [ 9469.002212][ T7704] netlink_unicast+0x449/0x710 [ 9469.002212][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9469.002212][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9469.002212][ T7704] ___sys_sendmsg+0xee/0x170 [ 9469.002212][ T7704] __sys_sendmsg+0xcd/0x170 [ 9469.002212][ T7704] do_syscall_64+0xc6/0x1e0 [ 9469.002212][ T7704] [ 9469.004614][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9469.004614][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9469.004614][ T7704] ipv6_find_idev+0x102/0x170 [ 9469.004614][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9469.004614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9469.004614][ T7704] netlink_rcv_skb+0x130/0x360 [ 9469.004614][ T7704] netlink_unicast+0x449/0x710 [ 9469.004614][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9469.004614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9469.004614][ T7704] ___sys_sendmsg+0xee/0x170 [ 9469.004614][ T7704] __sys_sendmsg+0xcd/0x170 [ 9469.004614][ T7704] do_syscall_64+0xc6/0x1e0 [ 9469.004614][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9469.004614][ T7704] [ 9469.006494][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9469.006494][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9469.006494][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9469.006494][ T7704] ipv6_find_idev+0x102/0x170 [ 9469.006494][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9469.006494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9469.006494][ T7704] netlink_rcv_skb+0x130/0x360 [ 9469.006494][ T7704] netlink_unicast+0x449/0x710 [ 9469.006494][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9469.006494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9469.006494][ T7704] ___sys_sendmsg+0xee/0x170 [ 9469.006494][ T7704] __sys_sendmsg+0xcd/0x170 [ 9469.006494][ T7704] do_syscall_64+0xc6/0x1e0 [ 9469.006494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9469.006494][ T7704] [ 9479.148809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9479.149237][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9479.149237][ T7704] netdev_get_by_index+0x5e/0x80 [ 9479.149237][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9479.149237][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9479.149237][ T7704] ip6_route_add+0x1c/0x140 [ 9479.149237][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9479.149237][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9479.149237][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9479.149237][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9479.149237][ T7704] netlink_rcv_skb+0x130/0x360 [ 9479.149237][ T7704] netlink_unicast+0x449/0x710 [ 9479.149237][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9479.149237][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9479.149237][ T7704] ___sys_sendmsg+0xee/0x170 [ 9479.149237][ T7704] __sys_sendmsg+0xcd/0x170 [ 9479.149237][ T7704] do_syscall_64+0xc6/0x1e0 [ 9479.149237][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9479.149237][ T7704] [ 9479.151673][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9479.151673][ T7704] netdev_get_by_index+0x5e/0x80 [ 9479.151673][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9479.151673][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9479.151673][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9479.151673][ T7704] ipv6_add_addr+0x411/0x2000 [ 9479.151673][ T7704] inet6_addr_add+0x30e/0xa40 [ 9479.151673][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9479.151673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9479.151673][ T7704] netlink_rcv_skb+0x130/0x360 [ 9479.151673][ T7704] netlink_unicast+0x449/0x710 [ 9479.151673][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9479.151673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9479.151673][ T7704] ___sys_sendmsg+0xee/0x170 [ 9479.151673][ T7704] __sys_sendmsg+0xcd/0x170 [ 9479.151673][ T7704] do_syscall_64+0xc6/0x1e0 [ 9479.151673][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9479.151673][ T7704] [ 9479.154095][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9479.154095][ T7704] netdev_get_by_index+0x5e/0x80 [ 9479.154095][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9479.154095][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9479.154095][ T7704] ip6_route_add+0x1c/0x140 [ 9479.154095][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9479.154095][ T7704] addrconf_add_dev+0xe2/0x170 [ 9479.154095][ T7704] inet6_addr_add+0x12f/0xa40 [ 9479.154095][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9479.154095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9479.154095][ T7704] netlink_rcv_skb+0x130/0x360 [ 9479.154095][ T7704] netlink_unicast+0x449/0x710 [ 9479.154095][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9479.154095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9479.154095][ T7704] ___sys_sendmsg+0xee/0x170 [ 9479.154095][ T7704] __sys_sendmsg+0xcd/0x170 [ 9479.154095][ T7704] do_syscall_64+0xc6/0x1e0 [ 9479.154095][ T7704] [ 9479.157004][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9479.157004][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9479.157004][ T7704] ipv6_find_idev+0x102/0x170 [ 9479.157004][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9479.157004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9479.157004][ T7704] netlink_rcv_skb+0x130/0x360 [ 9479.157004][ T7704] netlink_unicast+0x449/0x710 [ 9479.157004][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9479.157004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9479.157004][ T7704] ___sys_sendmsg+0xee/0x170 [ 9479.157004][ T7704] __sys_sendmsg+0xcd/0x170 [ 9479.157004][ T7704] do_syscall_64+0xc6/0x1e0 [ 9479.157004][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9479.157004][ T7704] [ 9479.158860][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9479.158860][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9479.158860][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9479.158860][ T7704] ipv6_find_idev+0x102/0x170 [ 9479.158860][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9479.158860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9479.158860][ T7704] netlink_rcv_skb+0x130/0x360 [ 9479.158860][ T7704] netlink_unicast+0x449/0x710 [ 9479.158860][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9479.158860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9479.158860][ T7704] ___sys_sendmsg+0xee/0x170 [ 9479.158860][ T7704] __sys_sendmsg+0xcd/0x170 [ 9479.158860][ T7704] do_syscall_64+0xc6/0x1e0 [ 9479.158860][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9479.158860][ T7704] [ 9489.356798][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9489.357224][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9489.357224][ T7704] netdev_get_by_index+0x5e/0x80 [ 9489.357224][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9489.357224][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9489.357224][ T7704] ip6_route_add+0x1c/0x140 [ 9489.357224][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9489.357224][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9489.357224][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9489.357224][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9489.357224][ T7704] netlink_rcv_skb+0x130/0x360 [ 9489.357224][ T7704] netlink_unicast+0x449/0x710 [ 9489.357224][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9489.357224][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9489.357224][ T7704] ___sys_sendmsg+0xee/0x170 [ 9489.357224][ T7704] __sys_sendmsg+0xcd/0x170 [ 9489.357224][ T7704] do_syscall_64+0xc6/0x1e0 [ 9489.357224][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9489.357224][ T7704] [ 9489.359703][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9489.359703][ T7704] netdev_get_by_index+0x5e/0x80 [ 9489.359703][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9489.359703][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9489.359703][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9489.359703][ T7704] ipv6_add_addr+0x411/0x2000 [ 9489.359703][ T7704] inet6_addr_add+0x30e/0xa40 [ 9489.359703][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9489.359703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9489.359703][ T7704] netlink_rcv_skb+0x130/0x360 [ 9489.359703][ T7704] netlink_unicast+0x449/0x710 [ 9489.359703][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9489.359703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9489.359703][ T7704] ___sys_sendmsg+0xee/0x170 [ 9489.359703][ T7704] __sys_sendmsg+0xcd/0x170 [ 9489.359703][ T7704] do_syscall_64+0xc6/0x1e0 [ 9489.359703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9489.359703][ T7704] [ 9489.362144][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9489.362144][ T7704] netdev_get_by_index+0x5e/0x80 [ 9489.362144][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9489.362144][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9489.362144][ T7704] ip6_route_add+0x1c/0x140 [ 9489.362144][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9489.362144][ T7704] addrconf_add_dev+0xe2/0x170 [ 9489.362144][ T7704] inet6_addr_add+0x12f/0xa40 [ 9489.362144][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9489.362144][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9489.362144][ T7704] netlink_rcv_skb+0x130/0x360 [ 9489.362144][ T7704] netlink_unicast+0x449/0x710 [ 9489.362144][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9489.362144][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9489.362144][ T7704] ___sys_sendmsg+0xee/0x170 [ 9489.362144][ T7704] __sys_sendmsg+0xcd/0x170 [ 9489.362144][ T7704] do_syscall_64+0xc6/0x1e0 [ 9489.362144][ T7704] [ 9489.364530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9489.364530][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9489.364530][ T7704] ipv6_find_idev+0x102/0x170 [ 9489.364530][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9489.364530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9489.364530][ T7704] netlink_rcv_skb+0x130/0x360 [ 9489.364530][ T7704] netlink_unicast+0x449/0x710 [ 9489.364530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9489.364530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9489.364530][ T7704] ___sys_sendmsg+0xee/0x170 [ 9489.364530][ T7704] __sys_sendmsg+0xcd/0x170 [ 9489.364530][ T7704] do_syscall_64+0xc6/0x1e0 [ 9489.364530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9489.364530][ T7704] [ 9489.366402][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9489.366402][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9489.366402][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9489.366402][ T7704] ipv6_find_idev+0x102/0x170 [ 9489.366402][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9489.366402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9489.366402][ T7704] netlink_rcv_skb+0x130/0x360 [ 9489.366402][ T7704] netlink_unicast+0x449/0x710 [ 9489.366402][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9489.366402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9489.366402][ T7704] ___sys_sendmsg+0xee/0x170 [ 9489.366402][ T7704] __sys_sendmsg+0xcd/0x170 [ 9489.366402][ T7704] do_syscall_64+0xc6/0x1e0 [ 9489.366402][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9489.366402][ T7704] [ 9499.604800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9499.605263][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9499.605263][ T7704] netdev_get_by_index+0x5e/0x80 [ 9499.605263][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9499.605263][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9499.605263][ T7704] ip6_route_add+0x1c/0x140 [ 9499.605263][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9499.605263][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9499.605263][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9499.605263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9499.605263][ T7704] netlink_rcv_skb+0x130/0x360 [ 9499.605263][ T7704] netlink_unicast+0x449/0x710 [ 9499.605263][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9499.605263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9499.605263][ T7704] ___sys_sendmsg+0xee/0x170 [ 9499.605263][ T7704] __sys_sendmsg+0xcd/0x170 [ 9499.605263][ T7704] do_syscall_64+0xc6/0x1e0 [ 9499.605263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9499.605263][ T7704] [ 9499.607624][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9499.607624][ T7704] netdev_get_by_index+0x5e/0x80 [ 9499.607624][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9499.607624][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9499.607624][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9499.607624][ T7704] ipv6_add_addr+0x411/0x2000 [ 9499.607624][ T7704] inet6_addr_add+0x30e/0xa40 [ 9499.607624][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9499.607624][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9499.607624][ T7704] netlink_rcv_skb+0x130/0x360 [ 9499.607624][ T7704] netlink_unicast+0x449/0x710 [ 9499.607624][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9499.607624][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9499.607624][ T7704] ___sys_sendmsg+0xee/0x170 [ 9499.607624][ T7704] __sys_sendmsg+0xcd/0x170 [ 9499.607624][ T7704] do_syscall_64+0xc6/0x1e0 [ 9499.607624][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9499.607624][ T7704] [ 9499.609834][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9499.609834][ T7704] netdev_get_by_index+0x5e/0x80 [ 9499.609834][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9499.609834][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9499.609834][ T7704] ip6_route_add+0x1c/0x140 [ 9499.609834][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9499.609834][ T7704] addrconf_add_dev+0xe2/0x170 [ 9499.609834][ T7704] inet6_addr_add+0x12f/0xa40 [ 9499.609834][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9499.609834][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9499.609834][ T7704] netlink_rcv_skb+0x130/0x360 [ 9499.609834][ T7704] netlink_unicast+0x449/0x710 [ 9499.609834][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9499.609834][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9499.609834][ T7704] ___sys_sendmsg+0xee/0x170 [ 9499.609834][ T7704] __sys_sendmsg+0xcd/0x170 [ 9499.609834][ T7704] do_syscall_64+0xc6/0x1e0 [ 9499.609834][ T7704] [ 9499.612004][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9499.612004][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9499.612004][ T7704] ipv6_find_idev+0x102/0x170 [ 9499.612004][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9499.612004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9499.612004][ T7704] netlink_rcv_skb+0x130/0x360 [ 9499.612004][ T7704] netlink_unicast+0x449/0x710 [ 9499.612004][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9499.612004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9499.612004][ T7704] ___sys_sendmsg+0xee/0x170 [ 9499.612004][ T7704] __sys_sendmsg+0xcd/0x170 [ 9499.612004][ T7704] do_syscall_64+0xc6/0x1e0 [ 9499.612004][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9499.612004][ T7704] [ 9499.613702][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9499.613702][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9499.613702][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9499.613702][ T7704] ipv6_find_idev+0x102/0x170 [ 9499.613702][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9499.613702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9499.613702][ T7704] netlink_rcv_skb+0x130/0x360 [ 9499.613702][ T7704] netlink_unicast+0x449/0x710 [ 9499.613702][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9499.613702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9499.613702][ T7704] ___sys_sendmsg+0xee/0x170 [ 9499.613702][ T7704] __sys_sendmsg+0xcd/0x170 [ 9499.613702][ T7704] do_syscall_64+0xc6/0x1e0 [ 9499.613702][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9499.613702][ T7704] [ 9509.852801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9509.853212][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9509.853212][ T7704] netdev_get_by_index+0x5e/0x80 [ 9509.853212][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9509.853212][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9509.853212][ T7704] ip6_route_add+0x1c/0x140 [ 9509.853212][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9509.853212][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9509.853212][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9509.853212][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9509.853212][ T7704] netlink_rcv_skb+0x130/0x360 [ 9509.853212][ T7704] netlink_unicast+0x449/0x710 [ 9509.853212][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9509.853212][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9509.853212][ T7704] ___sys_sendmsg+0xee/0x170 [ 9509.853212][ T7704] __sys_sendmsg+0xcd/0x170 [ 9509.853212][ T7704] do_syscall_64+0xc6/0x1e0 [ 9509.853212][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9509.853212][ T7704] [ 9509.855473][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9509.855473][ T7704] netdev_get_by_index+0x5e/0x80 [ 9509.855473][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9509.855473][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9509.855473][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9509.855473][ T7704] ipv6_add_addr+0x411/0x2000 [ 9509.855473][ T7704] inet6_addr_add+0x30e/0xa40 [ 9509.855473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9509.855473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9509.855473][ T7704] netlink_rcv_skb+0x130/0x360 [ 9509.855473][ T7704] netlink_unicast+0x449/0x710 [ 9509.855473][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9509.855473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9509.855473][ T7704] ___sys_sendmsg+0xee/0x170 [ 9509.855473][ T7704] __sys_sendmsg+0xcd/0x170 [ 9509.855473][ T7704] do_syscall_64+0xc6/0x1e0 [ 9509.855473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9509.855473][ T7704] [ 9509.857690][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9509.857690][ T7704] netdev_get_by_index+0x5e/0x80 [ 9509.857690][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9509.857690][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9509.857690][ T7704] ip6_route_add+0x1c/0x140 [ 9509.857690][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9509.857690][ T7704] addrconf_add_dev+0xe2/0x170 [ 9509.857690][ T7704] inet6_addr_add+0x12f/0xa40 [ 9509.857690][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9509.857690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9509.857690][ T7704] netlink_rcv_skb+0x130/0x360 [ 9509.857690][ T7704] netlink_unicast+0x449/0x710 [ 9509.857690][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9509.857690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9509.857690][ T7704] ___sys_sendmsg+0xee/0x170 [ 9509.857690][ T7704] __sys_sendmsg+0xcd/0x170 [ 9509.857690][ T7704] do_syscall_64+0xc6/0x1e0 [ 9509.857690][ T7704] [ 9509.859850][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9509.859850][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9509.859850][ T7704] ipv6_find_idev+0x102/0x170 [ 9509.859850][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9509.859850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9509.859850][ T7704] netlink_rcv_skb+0x130/0x360 [ 9509.859850][ T7704] netlink_unicast+0x449/0x710 [ 9509.859850][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9509.859850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9509.859850][ T7704] ___sys_sendmsg+0xee/0x170 [ 9509.859850][ T7704] __sys_sendmsg+0xcd/0x170 [ 9509.859850][ T7704] do_syscall_64+0xc6/0x1e0 [ 9509.859850][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9509.859850][ T7704] [ 9509.861542][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9509.861542][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9509.861542][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9509.861542][ T7704] ipv6_find_idev+0x102/0x170 [ 9509.861542][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9509.861542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9509.861542][ T7704] netlink_rcv_skb+0x130/0x360 [ 9509.861542][ T7704] netlink_unicast+0x449/0x710 [ 9509.861542][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9509.861542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9509.861542][ T7704] ___sys_sendmsg+0xee/0x170 [ 9509.861542][ T7704] __sys_sendmsg+0xcd/0x170 [ 9509.861542][ T7704] do_syscall_64+0xc6/0x1e0 [ 9509.861542][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9509.861542][ T7704] [ 9520.100849][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9520.101277][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9520.101277][ T7704] netdev_get_by_index+0x5e/0x80 [ 9520.101277][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9520.101277][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9520.101277][ T7704] ip6_route_add+0x1c/0x140 [ 9520.101277][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9520.101277][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9520.101277][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9520.101277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9520.101277][ T7704] netlink_rcv_skb+0x130/0x360 [ 9520.101277][ T7704] netlink_unicast+0x449/0x710 [ 9520.101277][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9520.101277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9520.101277][ T7704] ___sys_sendmsg+0xee/0x170 [ 9520.101277][ T7704] __sys_sendmsg+0xcd/0x170 [ 9520.101277][ T7704] do_syscall_64+0xc6/0x1e0 [ 9520.101277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9520.101277][ T7704] [ 9520.103526][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9520.103526][ T7704] netdev_get_by_index+0x5e/0x80 [ 9520.103526][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9520.103526][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9520.103526][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9520.103526][ T7704] ipv6_add_addr+0x411/0x2000 [ 9520.103526][ T7704] inet6_addr_add+0x30e/0xa40 [ 9520.103526][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9520.103526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9520.103526][ T7704] netlink_rcv_skb+0x130/0x360 [ 9520.103526][ T7704] netlink_unicast+0x449/0x710 [ 9520.103526][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9520.103526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9520.103526][ T7704] ___sys_sendmsg+0xee/0x170 [ 9520.103526][ T7704] __sys_sendmsg+0xcd/0x170 [ 9520.103526][ T7704] do_syscall_64+0xc6/0x1e0 [ 9520.103526][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9520.103526][ T7704] [ 9520.105764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9520.105764][ T7704] netdev_get_by_index+0x5e/0x80 [ 9520.105764][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9520.105764][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9520.105764][ T7704] ip6_route_add+0x1c/0x140 [ 9520.105764][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9520.105764][ T7704] addrconf_add_dev+0xe2/0x170 [ 9520.105764][ T7704] inet6_addr_add+0x12f/0xa40 [ 9520.105764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9520.105764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9520.105764][ T7704] netlink_rcv_skb+0x130/0x360 [ 9520.105764][ T7704] netlink_unicast+0x449/0x710 [ 9520.105764][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9520.105764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9520.105764][ T7704] ___sys_sendmsg+0xee/0x170 [ 9520.105764][ T7704] __sys_sendmsg+0xcd/0x170 [ 9520.105764][ T7704] do_syscall_64+0xc6/0x1e0 [ 9520.105764][ T7704] [ 9520.107968][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9520.107968][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9520.107968][ T7704] ipv6_find_idev+0x102/0x170 [ 9520.107968][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9520.107968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9520.107968][ T7704] netlink_rcv_skb+0x130/0x360 [ 9520.107968][ T7704] netlink_unicast+0x449/0x710 [ 9520.107968][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9520.107968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9520.107968][ T7704] ___sys_sendmsg+0xee/0x170 [ 9520.107968][ T7704] __sys_sendmsg+0xcd/0x170 [ 9520.107968][ T7704] do_syscall_64+0xc6/0x1e0 [ 9520.107968][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9520.107968][ T7704] [ 9520.109683][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9520.109683][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9520.109683][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9520.109683][ T7704] ipv6_find_idev+0x102/0x170 [ 9520.109683][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9520.109683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9520.109683][ T7704] netlink_rcv_skb+0x130/0x360 [ 9520.109683][ T7704] netlink_unicast+0x449/0x710 [ 9520.109683][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9520.109683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9520.109683][ T7704] ___sys_sendmsg+0xee/0x170 [ 9520.109683][ T7704] __sys_sendmsg+0xcd/0x170 [ 9520.109683][ T7704] do_syscall_64+0xc6/0x1e0 [ 9520.109683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9520.109683][ T7704] [ 9530.220796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9530.221256][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9530.221256][ T7704] netdev_get_by_index+0x5e/0x80 [ 9530.221256][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9530.221256][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9530.221256][ T7704] ip6_route_add+0x1c/0x140 [ 9530.221256][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9530.221256][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9530.221256][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9530.221256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9530.221256][ T7704] netlink_rcv_skb+0x130/0x360 [ 9530.221256][ T7704] netlink_unicast+0x449/0x710 [ 9530.221256][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9530.221256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9530.221256][ T7704] ___sys_sendmsg+0xee/0x170 [ 9530.221256][ T7704] __sys_sendmsg+0xcd/0x170 [ 9530.221256][ T7704] do_syscall_64+0xc6/0x1e0 [ 9530.221256][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9530.221256][ T7704] [ 9530.223494][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9530.223494][ T7704] netdev_get_by_index+0x5e/0x80 [ 9530.223494][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9530.223494][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9530.223494][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9530.223494][ T7704] ipv6_add_addr+0x411/0x2000 [ 9530.223494][ T7704] inet6_addr_add+0x30e/0xa40 [ 9530.223494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9530.223494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9530.223494][ T7704] netlink_rcv_skb+0x130/0x360 [ 9530.223494][ T7704] netlink_unicast+0x449/0x710 [ 9530.223494][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9530.223494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9530.223494][ T7704] ___sys_sendmsg+0xee/0x170 [ 9530.223494][ T7704] __sys_sendmsg+0xcd/0x170 [ 9530.223494][ T7704] do_syscall_64+0xc6/0x1e0 [ 9530.223494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9530.223494][ T7704] [ 9530.225699][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9530.225699][ T7704] netdev_get_by_index+0x5e/0x80 [ 9530.225699][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9530.225699][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9530.225699][ T7704] ip6_route_add+0x1c/0x140 [ 9530.225699][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9530.225699][ T7704] addrconf_add_dev+0xe2/0x170 [ 9530.225699][ T7704] inet6_addr_add+0x12f/0xa40 [ 9530.225699][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9530.225699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9530.225699][ T7704] netlink_rcv_skb+0x130/0x360 [ 9530.225699][ T7704] netlink_unicast+0x449/0x710 [ 9530.225699][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9530.225699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9530.225699][ T7704] ___sys_sendmsg+0xee/0x170 [ 9530.225699][ T7704] __sys_sendmsg+0xcd/0x170 [ 9530.225699][ T7704] do_syscall_64+0xc6/0x1e0 [ 9530.225699][ T7704] [ 9530.227886][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9530.227886][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9530.227886][ T7704] ipv6_find_idev+0x102/0x170 [ 9530.227886][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9530.227886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9530.227886][ T7704] netlink_rcv_skb+0x130/0x360 [ 9530.227886][ T7704] netlink_unicast+0x449/0x710 [ 9530.227886][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9530.227886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9530.227886][ T7704] ___sys_sendmsg+0xee/0x170 [ 9530.227886][ T7704] __sys_sendmsg+0xcd/0x170 [ 9530.227886][ T7704] do_syscall_64+0xc6/0x1e0 [ 9530.227886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9530.227886][ T7704] [ 9530.229577][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9530.229577][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9530.229577][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9530.229577][ T7704] ipv6_find_idev+0x102/0x170 [ 9530.229577][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9530.229577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9530.229577][ T7704] netlink_rcv_skb+0x130/0x360 [ 9530.229577][ T7704] netlink_unicast+0x449/0x710 [ 9530.229577][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9530.229577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9530.229577][ T7704] ___sys_sendmsg+0xee/0x170 [ 9530.229577][ T7704] __sys_sendmsg+0xcd/0x170 [ 9530.229577][ T7704] do_syscall_64+0xc6/0x1e0 [ 9530.229577][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9530.229577][ T7704] [ 9540.468806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9540.469248][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9540.469248][ T7704] netdev_get_by_index+0x5e/0x80 [ 9540.469248][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9540.469248][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9540.469248][ T7704] ip6_route_add+0x1c/0x140 [ 9540.469248][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9540.469248][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9540.469248][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9540.469248][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9540.469248][ T7704] netlink_rcv_skb+0x130/0x360 [ 9540.469248][ T7704] netlink_unicast+0x449/0x710 [ 9540.469248][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9540.469248][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9540.469248][ T7704] ___sys_sendmsg+0xee/0x170 [ 9540.469248][ T7704] __sys_sendmsg+0xcd/0x170 [ 9540.469248][ T7704] do_syscall_64+0xc6/0x1e0 [ 9540.469248][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9540.469248][ T7704] [ 9540.471697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9540.471697][ T7704] netdev_get_by_index+0x5e/0x80 [ 9540.471697][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9540.471697][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9540.471697][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9540.471697][ T7704] ipv6_add_addr+0x411/0x2000 [ 9540.471697][ T7704] inet6_addr_add+0x30e/0xa40 [ 9540.471697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9540.471697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9540.471697][ T7704] netlink_rcv_skb+0x130/0x360 [ 9540.471697][ T7704] netlink_unicast+0x449/0x710 [ 9540.471697][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9540.471697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9540.471697][ T7704] ___sys_sendmsg+0xee/0x170 [ 9540.471697][ T7704] __sys_sendmsg+0xcd/0x170 [ 9540.471697][ T7704] do_syscall_64+0xc6/0x1e0 [ 9540.471697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9540.471697][ T7704] [ 9540.474121][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9540.474121][ T7704] netdev_get_by_index+0x5e/0x80 [ 9540.474121][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9540.474121][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9540.474121][ T7704] ip6_route_add+0x1c/0x140 [ 9540.474121][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9540.474121][ T7704] addrconf_add_dev+0xe2/0x170 [ 9540.474121][ T7704] inet6_addr_add+0x12f/0xa40 [ 9540.474121][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9540.474121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9540.474121][ T7704] netlink_rcv_skb+0x130/0x360 [ 9540.474121][ T7704] netlink_unicast+0x449/0x710 [ 9540.474121][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9540.474121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9540.474121][ T7704] ___sys_sendmsg+0xee/0x170 [ 9540.474121][ T7704] __sys_sendmsg+0xcd/0x170 [ 9540.474121][ T7704] do_syscall_64+0xc6/0x1e0 [ 9540.474121][ T7704] [ 9540.476515][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9540.476515][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9540.476515][ T7704] ipv6_find_idev+0x102/0x170 [ 9540.476515][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9540.476515][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9540.476515][ T7704] netlink_rcv_skb+0x130/0x360 [ 9540.476515][ T7704] netlink_unicast+0x449/0x710 [ 9540.476515][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9540.476515][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9540.476515][ T7704] ___sys_sendmsg+0xee/0x170 [ 9540.476515][ T7704] __sys_sendmsg+0xcd/0x170 [ 9540.476515][ T7704] do_syscall_64+0xc6/0x1e0 [ 9540.476515][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9540.476515][ T7704] [ 9540.478402][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9540.478402][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9540.478402][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9540.478402][ T7704] ipv6_find_idev+0x102/0x170 [ 9540.478402][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9540.478402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9540.478402][ T7704] netlink_rcv_skb+0x130/0x360 [ 9540.478402][ T7704] netlink_unicast+0x449/0x710 [ 9540.478402][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9540.478402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9540.478402][ T7704] ___sys_sendmsg+0xee/0x170 [ 9540.478402][ T7704] __sys_sendmsg+0xcd/0x170 [ 9540.478402][ T7704] do_syscall_64+0xc6/0x1e0 [ 9540.478402][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9540.478402][ T7704] [ 9550.716743][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9550.717261][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9550.717261][ T7704] netdev_get_by_index+0x5e/0x80 [ 9550.717261][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9550.717261][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9550.717261][ T7704] ip6_route_add+0x1c/0x140 [ 9550.717261][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9550.717261][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9550.717261][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9550.717261][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9550.717261][ T7704] netlink_rcv_skb+0x130/0x360 [ 9550.717261][ T7704] netlink_unicast+0x449/0x710 [ 9550.717261][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9550.717261][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9550.717261][ T7704] ___sys_sendmsg+0xee/0x170 [ 9550.717261][ T7704] __sys_sendmsg+0xcd/0x170 [ 9550.717261][ T7704] do_syscall_64+0xc6/0x1e0 [ 9550.717261][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9550.717261][ T7704] [ 9550.719508][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9550.719508][ T7704] netdev_get_by_index+0x5e/0x80 [ 9550.719508][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9550.719508][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9550.719508][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9550.719508][ T7704] ipv6_add_addr+0x411/0x2000 [ 9550.719508][ T7704] inet6_addr_add+0x30e/0xa40 [ 9550.719508][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9550.719508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9550.719508][ T7704] netlink_rcv_skb+0x130/0x360 [ 9550.719508][ T7704] netlink_unicast+0x449/0x710 [ 9550.719508][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9550.719508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9550.719508][ T7704] ___sys_sendmsg+0xee/0x170 [ 9550.719508][ T7704] __sys_sendmsg+0xcd/0x170 [ 9550.719508][ T7704] do_syscall_64+0xc6/0x1e0 [ 9550.719508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9550.719508][ T7704] [ 9550.721725][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9550.721725][ T7704] netdev_get_by_index+0x5e/0x80 [ 9550.721725][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9550.721725][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9550.721725][ T7704] ip6_route_add+0x1c/0x140 [ 9550.721725][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9550.721725][ T7704] addrconf_add_dev+0xe2/0x170 [ 9550.721725][ T7704] inet6_addr_add+0x12f/0xa40 [ 9550.721725][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9550.721725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9550.721725][ T7704] netlink_rcv_skb+0x130/0x360 [ 9550.721725][ T7704] netlink_unicast+0x449/0x710 [ 9550.721725][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9550.721725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9550.721725][ T7704] ___sys_sendmsg+0xee/0x170 [ 9550.721725][ T7704] __sys_sendmsg+0xcd/0x170 [ 9550.721725][ T7704] do_syscall_64+0xc6/0x1e0 [ 9550.721725][ T7704] [ 9550.723894][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9550.723894][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9550.723894][ T7704] ipv6_find_idev+0x102/0x170 [ 9550.723894][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9550.723894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9550.723894][ T7704] netlink_rcv_skb+0x130/0x360 [ 9550.723894][ T7704] netlink_unicast+0x449/0x710 [ 9550.723894][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9550.723894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9550.723894][ T7704] ___sys_sendmsg+0xee/0x170 [ 9550.723894][ T7704] __sys_sendmsg+0xcd/0x170 [ 9550.723894][ T7704] do_syscall_64+0xc6/0x1e0 [ 9550.723894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9550.723894][ T7704] [ 9550.725601][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9550.725601][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9550.725601][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9550.725601][ T7704] ipv6_find_idev+0x102/0x170 [ 9550.725601][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9550.725601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9550.725601][ T7704] netlink_rcv_skb+0x130/0x360 [ 9550.725601][ T7704] netlink_unicast+0x449/0x710 [ 9550.725601][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9550.725601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9550.725601][ T7704] ___sys_sendmsg+0xee/0x170 [ 9550.725601][ T7704] __sys_sendmsg+0xcd/0x170 [ 9550.725601][ T7704] do_syscall_64+0xc6/0x1e0 [ 9550.725601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9550.725601][ T7704] [ 9560.908822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9560.909308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9560.909308][ T7704] netdev_get_by_index+0x5e/0x80 [ 9560.909308][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9560.909308][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9560.909308][ T7704] ip6_route_add+0x1c/0x140 [ 9560.909308][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9560.909308][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9560.909308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9560.909308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9560.909308][ T7704] netlink_rcv_skb+0x130/0x360 [ 9560.909308][ T7704] netlink_unicast+0x449/0x710 [ 9560.909308][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9560.909308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9560.909308][ T7704] ___sys_sendmsg+0xee/0x170 [ 9560.909308][ T7704] __sys_sendmsg+0xcd/0x170 [ 9560.909308][ T7704] do_syscall_64+0xc6/0x1e0 [ 9560.909308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9560.909308][ T7704] [ 9560.911591][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9560.911591][ T7704] netdev_get_by_index+0x5e/0x80 [ 9560.911591][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9560.911591][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9560.911591][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9560.911591][ T7704] ipv6_add_addr+0x411/0x2000 [ 9560.911591][ T7704] inet6_addr_add+0x30e/0xa40 [ 9560.911591][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9560.911591][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9560.911591][ T7704] netlink_rcv_skb+0x130/0x360 [ 9560.911591][ T7704] netlink_unicast+0x449/0x710 [ 9560.911591][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9560.911591][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9560.911591][ T7704] ___sys_sendmsg+0xee/0x170 [ 9560.911591][ T7704] __sys_sendmsg+0xcd/0x170 [ 9560.911591][ T7704] do_syscall_64+0xc6/0x1e0 [ 9560.911591][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9560.911591][ T7704] [ 9560.913827][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9560.913827][ T7704] netdev_get_by_index+0x5e/0x80 [ 9560.913827][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9560.913827][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9560.913827][ T7704] ip6_route_add+0x1c/0x140 [ 9560.913827][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9560.913827][ T7704] addrconf_add_dev+0xe2/0x170 [ 9560.913827][ T7704] inet6_addr_add+0x12f/0xa40 [ 9560.913827][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9560.913827][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9560.913827][ T7704] netlink_rcv_skb+0x130/0x360 [ 9560.913827][ T7704] netlink_unicast+0x449/0x710 [ 9560.913827][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9560.913827][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9560.913827][ T7704] ___sys_sendmsg+0xee/0x170 [ 9560.913827][ T7704] __sys_sendmsg+0xcd/0x170 [ 9560.913827][ T7704] do_syscall_64+0xc6/0x1e0 [ 9560.913827][ T7704] [ 9560.916025][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9560.916025][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9560.916025][ T7704] ipv6_find_idev+0x102/0x170 [ 9560.916025][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9560.916025][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9560.916025][ T7704] netlink_rcv_skb+0x130/0x360 [ 9560.916025][ T7704] netlink_unicast+0x449/0x710 [ 9560.916025][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9560.916025][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9560.916025][ T7704] ___sys_sendmsg+0xee/0x170 [ 9560.916025][ T7704] __sys_sendmsg+0xcd/0x170 [ 9560.916025][ T7704] do_syscall_64+0xc6/0x1e0 [ 9560.916025][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9560.916025][ T7704] [ 9560.917764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9560.917764][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9560.917764][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9560.917764][ T7704] ipv6_find_idev+0x102/0x170 [ 9560.917764][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9560.917764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9560.917764][ T7704] netlink_rcv_skb+0x130/0x360 [ 9560.917764][ T7704] netlink_unicast+0x449/0x710 [ 9560.917764][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9560.917764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9560.917764][ T7704] ___sys_sendmsg+0xee/0x170 [ 9560.917764][ T7704] __sys_sendmsg+0xcd/0x170 [ 9560.917764][ T7704] do_syscall_64+0xc6/0x1e0 [ 9560.917764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9560.917764][ T7704] [ 9571.172820][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9571.173300][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9571.173300][ T7704] netdev_get_by_index+0x5e/0x80 [ 9571.173300][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9571.173300][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9571.173300][ T7704] ip6_route_add+0x1c/0x140 [ 9571.173300][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9571.173300][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9571.173300][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9571.173300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9571.173300][ T7704] netlink_rcv_skb+0x130/0x360 [ 9571.173300][ T7704] netlink_unicast+0x449/0x710 [ 9571.173300][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9571.173300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9571.173300][ T7704] ___sys_sendmsg+0xee/0x170 [ 9571.173300][ T7704] __sys_sendmsg+0xcd/0x170 [ 9571.173300][ T7704] do_syscall_64+0xc6/0x1e0 [ 9571.173300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9571.173300][ T7704] [ 9571.175551][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9571.175551][ T7704] netdev_get_by_index+0x5e/0x80 [ 9571.175551][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9571.175551][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9571.175551][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9571.175551][ T7704] ipv6_add_addr+0x411/0x2000 [ 9571.175551][ T7704] inet6_addr_add+0x30e/0xa40 [ 9571.175551][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9571.175551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9571.175551][ T7704] netlink_rcv_skb+0x130/0x360 [ 9571.175551][ T7704] netlink_unicast+0x449/0x710 [ 9571.175551][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9571.175551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9571.175551][ T7704] ___sys_sendmsg+0xee/0x170 [ 9571.175551][ T7704] __sys_sendmsg+0xcd/0x170 [ 9571.175551][ T7704] do_syscall_64+0xc6/0x1e0 [ 9571.175551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9571.175551][ T7704] [ 9571.177798][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9571.177798][ T7704] netdev_get_by_index+0x5e/0x80 [ 9571.177798][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9571.177798][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9571.177798][ T7704] ip6_route_add+0x1c/0x140 [ 9571.177798][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9571.177798][ T7704] addrconf_add_dev+0xe2/0x170 [ 9571.177798][ T7704] inet6_addr_add+0x12f/0xa40 [ 9571.177798][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9571.177798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9571.177798][ T7704] netlink_rcv_skb+0x130/0x360 [ 9571.177798][ T7704] netlink_unicast+0x449/0x710 [ 9571.177798][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9571.177798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9571.177798][ T7704] ___sys_sendmsg+0xee/0x170 [ 9571.177798][ T7704] __sys_sendmsg+0xcd/0x170 [ 9571.177798][ T7704] do_syscall_64+0xc6/0x1e0 [ 9571.177798][ T7704] [ 9571.179985][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9571.179985][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9571.179985][ T7704] ipv6_find_idev+0x102/0x170 [ 9571.179985][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9571.179985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9571.179985][ T7704] netlink_rcv_skb+0x130/0x360 [ 9571.179985][ T7704] netlink_unicast+0x449/0x710 [ 9571.179985][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9571.179985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9571.179985][ T7704] ___sys_sendmsg+0xee/0x170 [ 9571.179985][ T7704] __sys_sendmsg+0xcd/0x170 [ 9571.179985][ T7704] do_syscall_64+0xc6/0x1e0 [ 9571.179985][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9571.179985][ T7704] [ 9571.181704][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9571.181704][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9571.181704][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9571.181704][ T7704] ipv6_find_idev+0x102/0x170 [ 9571.181704][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9571.181704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9571.181704][ T7704] netlink_rcv_skb+0x130/0x360 [ 9571.181704][ T7704] netlink_unicast+0x449/0x710 [ 9571.181704][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9571.181704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9571.181704][ T7704] ___sys_sendmsg+0xee/0x170 [ 9571.181704][ T7704] __sys_sendmsg+0xcd/0x170 [ 9571.181704][ T7704] do_syscall_64+0xc6/0x1e0 [ 9571.181704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9571.181704][ T7704] [ 9581.364738][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9581.365221][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9581.365221][ T7704] netdev_get_by_index+0x5e/0x80 [ 9581.365221][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9581.365221][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9581.365221][ T7704] ip6_route_add+0x1c/0x140 [ 9581.365221][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9581.365221][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9581.365221][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9581.365221][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9581.365221][ T7704] netlink_rcv_skb+0x130/0x360 [ 9581.365221][ T7704] netlink_unicast+0x449/0x710 [ 9581.365221][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9581.365221][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9581.365221][ T7704] ___sys_sendmsg+0xee/0x170 [ 9581.365221][ T7704] __sys_sendmsg+0xcd/0x170 [ 9581.365221][ T7704] do_syscall_64+0xc6/0x1e0 [ 9581.365221][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9581.365221][ T7704] [ 9581.368454][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9581.368454][ T7704] netdev_get_by_index+0x5e/0x80 [ 9581.368454][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9581.368454][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9581.368454][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9581.368454][ T7704] ipv6_add_addr+0x411/0x2000 [ 9581.368454][ T7704] inet6_addr_add+0x30e/0xa40 [ 9581.368454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9581.368454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9581.368454][ T7704] netlink_rcv_skb+0x130/0x360 [ 9581.368454][ T7704] netlink_unicast+0x449/0x710 [ 9581.368454][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9581.368454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9581.368454][ T7704] ___sys_sendmsg+0xee/0x170 [ 9581.368454][ T7704] __sys_sendmsg+0xcd/0x170 [ 9581.368454][ T7704] do_syscall_64+0xc6/0x1e0 [ 9581.368454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9581.368454][ T7704] [ 9581.370903][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9581.370903][ T7704] netdev_get_by_index+0x5e/0x80 [ 9581.370903][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9581.370903][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9581.370903][ T7704] ip6_route_add+0x1c/0x140 [ 9581.370903][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9581.370903][ T7704] addrconf_add_dev+0xe2/0x170 [ 9581.370903][ T7704] inet6_addr_add+0x12f/0xa40 [ 9581.370903][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9581.370903][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9581.370903][ T7704] netlink_rcv_skb+0x130/0x360 [ 9581.370903][ T7704] netlink_unicast+0x449/0x710 [ 9581.370903][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9581.370903][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9581.370903][ T7704] ___sys_sendmsg+0xee/0x170 [ 9581.370903][ T7704] __sys_sendmsg+0xcd/0x170 [ 9581.370903][ T7704] do_syscall_64+0xc6/0x1e0 [ 9581.370903][ T7704] [ 9581.373094][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9581.373094][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9581.373094][ T7704] ipv6_find_idev+0x102/0x170 [ 9581.373094][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9581.373094][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9581.373094][ T7704] netlink_rcv_skb+0x130/0x360 [ 9581.373094][ T7704] netlink_unicast+0x449/0x710 [ 9581.373094][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9581.373094][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9581.373094][ T7704] ___sys_sendmsg+0xee/0x170 [ 9581.373094][ T7704] __sys_sendmsg+0xcd/0x170 [ 9581.373094][ T7704] do_syscall_64+0xc6/0x1e0 [ 9581.373094][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9581.373094][ T7704] [ 9581.374810][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9581.374810][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9581.374810][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9581.374810][ T7704] ipv6_find_idev+0x102/0x170 [ 9581.374810][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9581.374810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9581.374810][ T7704] netlink_rcv_skb+0x130/0x360 [ 9581.374810][ T7704] netlink_unicast+0x449/0x710 [ 9581.374810][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9581.374810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9581.374810][ T7704] ___sys_sendmsg+0xee/0x170 [ 9581.374810][ T7704] __sys_sendmsg+0xcd/0x170 [ 9581.374810][ T7704] do_syscall_64+0xc6/0x1e0 [ 9581.374810][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9581.374810][ T7704] [ 9591.612807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9591.613281][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9591.613281][ T7704] netdev_get_by_index+0x5e/0x80 [ 9591.613281][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9591.613281][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9591.613281][ T7704] ip6_route_add+0x1c/0x140 [ 9591.613281][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9591.613281][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9591.613281][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9591.613281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9591.613281][ T7704] netlink_rcv_skb+0x130/0x360 [ 9591.613281][ T7704] netlink_unicast+0x449/0x710 [ 9591.613281][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9591.613281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9591.613281][ T7704] ___sys_sendmsg+0xee/0x170 [ 9591.613281][ T7704] __sys_sendmsg+0xcd/0x170 [ 9591.613281][ T7704] do_syscall_64+0xc6/0x1e0 [ 9591.613281][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9591.613281][ T7704] [ 9591.615752][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9591.615752][ T7704] netdev_get_by_index+0x5e/0x80 [ 9591.615752][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9591.615752][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9591.615752][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9591.615752][ T7704] ipv6_add_addr+0x411/0x2000 [ 9591.615752][ T7704] inet6_addr_add+0x30e/0xa40 [ 9591.615752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9591.615752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9591.615752][ T7704] netlink_rcv_skb+0x130/0x360 [ 9591.615752][ T7704] netlink_unicast+0x449/0x710 [ 9591.615752][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9591.615752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9591.615752][ T7704] ___sys_sendmsg+0xee/0x170 [ 9591.615752][ T7704] __sys_sendmsg+0xcd/0x170 [ 9591.615752][ T7704] do_syscall_64+0xc6/0x1e0 [ 9591.615752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9591.615752][ T7704] [ 9591.618217][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9591.618217][ T7704] netdev_get_by_index+0x5e/0x80 [ 9591.618217][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9591.618217][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9591.618217][ T7704] ip6_route_add+0x1c/0x140 [ 9591.618217][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9591.618217][ T7704] addrconf_add_dev+0xe2/0x170 [ 9591.618217][ T7704] inet6_addr_add+0x12f/0xa40 [ 9591.618217][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9591.618217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9591.618217][ T7704] netlink_rcv_skb+0x130/0x360 [ 9591.618217][ T7704] netlink_unicast+0x449/0x710 [ 9591.618217][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9591.618217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9591.618217][ T7704] ___sys_sendmsg+0xee/0x170 [ 9591.618217][ T7704] __sys_sendmsg+0xcd/0x170 [ 9591.618217][ T7704] do_syscall_64+0xc6/0x1e0 [ 9591.618217][ T7704] [ 9591.620631][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9591.620631][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9591.620631][ T7704] ipv6_find_idev+0x102/0x170 [ 9591.620631][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9591.620631][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9591.620631][ T7704] netlink_rcv_skb+0x130/0x360 [ 9591.620631][ T7704] netlink_unicast+0x449/0x710 [ 9591.620631][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9591.620631][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9591.620631][ T7704] ___sys_sendmsg+0xee/0x170 [ 9591.620631][ T7704] __sys_sendmsg+0xcd/0x170 [ 9591.620631][ T7704] do_syscall_64+0xc6/0x1e0 [ 9591.620631][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9591.620631][ T7704] [ 9591.622515][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9591.622515][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9591.622515][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9591.622515][ T7704] ipv6_find_idev+0x102/0x170 [ 9591.622515][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9591.622515][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9591.622515][ T7704] netlink_rcv_skb+0x130/0x360 [ 9591.622515][ T7704] netlink_unicast+0x449/0x710 [ 9591.622515][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9591.622515][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9591.622515][ T7704] ___sys_sendmsg+0xee/0x170 [ 9591.622515][ T7704] __sys_sendmsg+0xcd/0x170 [ 9591.622515][ T7704] do_syscall_64+0xc6/0x1e0 [ 9591.622515][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9591.622515][ T7704] [ 9601.860730][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9601.861218][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9601.861218][ T7704] netdev_get_by_index+0x5e/0x80 [ 9601.861218][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9601.861218][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9601.861218][ T7704] ip6_route_add+0x1c/0x140 [ 9601.861218][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9601.861218][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9601.861218][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9601.861218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9601.861218][ T7704] netlink_rcv_skb+0x130/0x360 [ 9601.861218][ T7704] netlink_unicast+0x449/0x710 [ 9601.861218][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9601.861218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9601.861218][ T7704] ___sys_sendmsg+0xee/0x170 [ 9601.861218][ T7704] __sys_sendmsg+0xcd/0x170 [ 9601.861218][ T7704] do_syscall_64+0xc6/0x1e0 [ 9601.861218][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9601.861218][ T7704] [ 9601.863470][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9601.863470][ T7704] netdev_get_by_index+0x5e/0x80 [ 9601.863470][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9601.863470][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9601.863470][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9601.863470][ T7704] ipv6_add_addr+0x411/0x2000 [ 9601.863470][ T7704] inet6_addr_add+0x30e/0xa40 [ 9601.863470][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9601.863470][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9601.863470][ T7704] netlink_rcv_skb+0x130/0x360 [ 9601.863470][ T7704] netlink_unicast+0x449/0x710 [ 9601.863470][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9601.863470][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9601.863470][ T7704] ___sys_sendmsg+0xee/0x170 [ 9601.863470][ T7704] __sys_sendmsg+0xcd/0x170 [ 9601.863470][ T7704] do_syscall_64+0xc6/0x1e0 [ 9601.863470][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9601.863470][ T7704] [ 9601.866118][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9601.866118][ T7704] netdev_get_by_index+0x5e/0x80 [ 9601.866118][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9601.866118][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9601.866118][ T7704] ip6_route_add+0x1c/0x140 [ 9601.866118][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9601.866118][ T7704] addrconf_add_dev+0xe2/0x170 [ 9601.866118][ T7704] inet6_addr_add+0x12f/0xa40 [ 9601.866118][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9601.866118][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9601.866118][ T7704] netlink_rcv_skb+0x130/0x360 [ 9601.866118][ T7704] netlink_unicast+0x449/0x710 [ 9601.866118][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9601.866118][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9601.866118][ T7704] ___sys_sendmsg+0xee/0x170 [ 9601.866118][ T7704] __sys_sendmsg+0xcd/0x170 [ 9601.866118][ T7704] do_syscall_64+0xc6/0x1e0 [ 9601.866118][ T7704] [ 9601.868866][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9601.868866][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9601.868866][ T7704] ipv6_find_idev+0x102/0x170 [ 9601.868866][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9601.868866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9601.868866][ T7704] netlink_rcv_skb+0x130/0x360 [ 9601.868866][ T7704] netlink_unicast+0x449/0x710 [ 9601.868866][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9601.868866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9601.868866][ T7704] ___sys_sendmsg+0xee/0x170 [ 9601.868866][ T7704] __sys_sendmsg+0xcd/0x170 [ 9601.868866][ T7704] do_syscall_64+0xc6/0x1e0 [ 9601.868866][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9601.868866][ T7704] [ 9601.870996][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9601.870996][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9601.870996][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9601.870996][ T7704] ipv6_find_idev+0x102/0x170 [ 9601.870996][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9601.870996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9601.870996][ T7704] netlink_rcv_skb+0x130/0x360 [ 9601.870996][ T7704] netlink_unicast+0x449/0x710 [ 9601.870996][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9601.870996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9601.870996][ T7704] ___sys_sendmsg+0xee/0x170 [ 9601.870996][ T7704] __sys_sendmsg+0xcd/0x170 [ 9601.870996][ T7704] do_syscall_64+0xc6/0x1e0 [ 9601.870996][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9601.870996][ T7704] [ 9612.108802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9612.109281][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9612.109281][ T7704] netdev_get_by_index+0x5e/0x80 [ 9612.109281][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9612.109281][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9612.109281][ T7704] ip6_route_add+0x1c/0x140 [ 9612.109281][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9612.109281][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9612.109281][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9612.109281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9612.109281][ T7704] netlink_rcv_skb+0x130/0x360 [ 9612.109281][ T7704] netlink_unicast+0x449/0x710 [ 9612.109281][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9612.109281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9612.109281][ T7704] ___sys_sendmsg+0xee/0x170 [ 9612.109281][ T7704] __sys_sendmsg+0xcd/0x170 [ 9612.109281][ T7704] do_syscall_64+0xc6/0x1e0 [ 9612.109281][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9612.109281][ T7704] [ 9612.111565][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9612.111565][ T7704] netdev_get_by_index+0x5e/0x80 [ 9612.111565][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9612.111565][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9612.111565][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9612.111565][ T7704] ipv6_add_addr+0x411/0x2000 [ 9612.111565][ T7704] inet6_addr_add+0x30e/0xa40 [ 9612.111565][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9612.111565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9612.111565][ T7704] netlink_rcv_skb+0x130/0x360 [ 9612.111565][ T7704] netlink_unicast+0x449/0x710 [ 9612.111565][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9612.111565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9612.111565][ T7704] ___sys_sendmsg+0xee/0x170 [ 9612.111565][ T7704] __sys_sendmsg+0xcd/0x170 [ 9612.111565][ T7704] do_syscall_64+0xc6/0x1e0 [ 9612.111565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9612.111565][ T7704] [ 9612.113815][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9612.113815][ T7704] netdev_get_by_index+0x5e/0x80 [ 9612.113815][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9612.113815][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9612.113815][ T7704] ip6_route_add+0x1c/0x140 [ 9612.113815][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9612.113815][ T7704] addrconf_add_dev+0xe2/0x170 [ 9612.113815][ T7704] inet6_addr_add+0x12f/0xa40 [ 9612.113815][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9612.113815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9612.113815][ T7704] netlink_rcv_skb+0x130/0x360 [ 9612.113815][ T7704] netlink_unicast+0x449/0x710 [ 9612.113815][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9612.113815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9612.113815][ T7704] ___sys_sendmsg+0xee/0x170 [ 9612.113815][ T7704] __sys_sendmsg+0xcd/0x170 [ 9612.113815][ T7704] do_syscall_64+0xc6/0x1e0 [ 9612.113815][ T7704] [ 9612.116009][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9612.116009][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9612.116009][ T7704] ipv6_find_idev+0x102/0x170 [ 9612.116009][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9612.116009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9612.116009][ T7704] netlink_rcv_skb+0x130/0x360 [ 9612.116009][ T7704] netlink_unicast+0x449/0x710 [ 9612.116009][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9612.116009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9612.116009][ T7704] ___sys_sendmsg+0xee/0x170 [ 9612.116009][ T7704] __sys_sendmsg+0xcd/0x170 [ 9612.116009][ T7704] do_syscall_64+0xc6/0x1e0 [ 9612.116009][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9612.116009][ T7704] [ 9612.117742][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9612.117742][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9612.117742][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9612.117742][ T7704] ipv6_find_idev+0x102/0x170 [ 9612.117742][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9612.117742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9612.117742][ T7704] netlink_rcv_skb+0x130/0x360 [ 9612.117742][ T7704] netlink_unicast+0x449/0x710 [ 9612.117742][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9612.117742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9612.117742][ T7704] ___sys_sendmsg+0xee/0x170 [ 9612.117742][ T7704] __sys_sendmsg+0xcd/0x170 [ 9612.117742][ T7704] do_syscall_64+0xc6/0x1e0 [ 9612.117742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9612.117742][ T7704] [ 9622.140873][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9622.141356][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9622.141356][ T7704] netdev_get_by_index+0x5e/0x80 [ 9622.141356][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9622.141356][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9622.141356][ T7704] ip6_route_add+0x1c/0x140 [ 9622.141356][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9622.141356][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9622.141356][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9622.141356][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9622.141356][ T7704] netlink_rcv_skb+0x130/0x360 [ 9622.141356][ T7704] netlink_unicast+0x449/0x710 [ 9622.141356][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9622.141356][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9622.141356][ T7704] ___sys_sendmsg+0xee/0x170 [ 9622.141356][ T7704] __sys_sendmsg+0xcd/0x170 [ 9622.141356][ T7704] do_syscall_64+0xc6/0x1e0 [ 9622.141356][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9622.141356][ T7704] [ 9622.143604][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9622.143604][ T7704] netdev_get_by_index+0x5e/0x80 [ 9622.143604][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9622.143604][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9622.143604][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9622.143604][ T7704] ipv6_add_addr+0x411/0x2000 [ 9622.143604][ T7704] inet6_addr_add+0x30e/0xa40 [ 9622.143604][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9622.143604][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9622.143604][ T7704] netlink_rcv_skb+0x130/0x360 [ 9622.143604][ T7704] netlink_unicast+0x449/0x710 [ 9622.143604][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9622.143604][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9622.143604][ T7704] ___sys_sendmsg+0xee/0x170 [ 9622.143604][ T7704] __sys_sendmsg+0xcd/0x170 [ 9622.143604][ T7704] do_syscall_64+0xc6/0x1e0 [ 9622.143604][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9622.143604][ T7704] [ 9622.145834][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9622.145834][ T7704] netdev_get_by_index+0x5e/0x80 [ 9622.145834][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9622.145834][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9622.145834][ T7704] ip6_route_add+0x1c/0x140 [ 9622.145834][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9622.145834][ T7704] addrconf_add_dev+0xe2/0x170 [ 9622.145834][ T7704] inet6_addr_add+0x12f/0xa40 [ 9622.145834][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9622.145834][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9622.145834][ T7704] netlink_rcv_skb+0x130/0x360 [ 9622.145834][ T7704] netlink_unicast+0x449/0x710 [ 9622.145834][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9622.145834][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9622.145834][ T7704] ___sys_sendmsg+0xee/0x170 [ 9622.145834][ T7704] __sys_sendmsg+0xcd/0x170 [ 9622.145834][ T7704] do_syscall_64+0xc6/0x1e0 [ 9622.145834][ T7704] [ 9622.148043][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9622.148043][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9622.148043][ T7704] ipv6_find_idev+0x102/0x170 [ 9622.148043][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9622.148043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9622.148043][ T7704] netlink_rcv_skb+0x130/0x360 [ 9622.148043][ T7704] netlink_unicast+0x449/0x710 [ 9622.148043][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9622.148043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9622.148043][ T7704] ___sys_sendmsg+0xee/0x170 [ 9622.148043][ T7704] __sys_sendmsg+0xcd/0x170 [ 9622.148043][ T7704] do_syscall_64+0xc6/0x1e0 [ 9622.148043][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9622.148043][ T7704] [ 9622.149756][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9622.149756][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9622.149756][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9622.149756][ T7704] ipv6_find_idev+0x102/0x170 [ 9622.149756][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9622.149756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9622.149756][ T7704] netlink_rcv_skb+0x130/0x360 [ 9622.149756][ T7704] netlink_unicast+0x449/0x710 [ 9622.149756][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9622.149756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9622.149756][ T7704] ___sys_sendmsg+0xee/0x170 [ 9622.149756][ T7704] __sys_sendmsg+0xcd/0x170 [ 9622.149756][ T7704] do_syscall_64+0xc6/0x1e0 [ 9622.149756][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9622.149756][ T7704] [ 9632.388820][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9632.389304][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9632.389304][ T7704] netdev_get_by_index+0x5e/0x80 [ 9632.389304][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9632.389304][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9632.389304][ T7704] ip6_route_add+0x1c/0x140 [ 9632.389304][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9632.389304][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9632.389304][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9632.389304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9632.389304][ T7704] netlink_rcv_skb+0x130/0x360 [ 9632.389304][ T7704] netlink_unicast+0x449/0x710 [ 9632.389304][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9632.389304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9632.389304][ T7704] ___sys_sendmsg+0xee/0x170 [ 9632.389304][ T7704] __sys_sendmsg+0xcd/0x170 [ 9632.389304][ T7704] do_syscall_64+0xc6/0x1e0 [ 9632.389304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9632.389304][ T7704] [ 9632.391578][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9632.391578][ T7704] netdev_get_by_index+0x5e/0x80 [ 9632.391578][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9632.391578][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9632.391578][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9632.391578][ T7704] ipv6_add_addr+0x411/0x2000 [ 9632.391578][ T7704] inet6_addr_add+0x30e/0xa40 [ 9632.391578][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9632.391578][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9632.391578][ T7704] netlink_rcv_skb+0x130/0x360 [ 9632.391578][ T7704] netlink_unicast+0x449/0x710 [ 9632.391578][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9632.391578][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9632.391578][ T7704] ___sys_sendmsg+0xee/0x170 [ 9632.391578][ T7704] __sys_sendmsg+0xcd/0x170 [ 9632.391578][ T7704] do_syscall_64+0xc6/0x1e0 [ 9632.391578][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9632.391578][ T7704] [ 9632.393803][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9632.393803][ T7704] netdev_get_by_index+0x5e/0x80 [ 9632.393803][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9632.393803][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9632.393803][ T7704] ip6_route_add+0x1c/0x140 [ 9632.393803][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9632.393803][ T7704] addrconf_add_dev+0xe2/0x170 [ 9632.393803][ T7704] inet6_addr_add+0x12f/0xa40 [ 9632.393803][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9632.393803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9632.393803][ T7704] netlink_rcv_skb+0x130/0x360 [ 9632.393803][ T7704] netlink_unicast+0x449/0x710 [ 9632.393803][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9632.393803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9632.393803][ T7704] ___sys_sendmsg+0xee/0x170 [ 9632.393803][ T7704] __sys_sendmsg+0xcd/0x170 [ 9632.393803][ T7704] do_syscall_64+0xc6/0x1e0 [ 9632.393803][ T7704] [ 9632.395996][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9632.395996][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9632.395996][ T7704] ipv6_find_idev+0x102/0x170 [ 9632.395996][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9632.395996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9632.395996][ T7704] netlink_rcv_skb+0x130/0x360 [ 9632.395996][ T7704] netlink_unicast+0x449/0x710 [ 9632.395996][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9632.395996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9632.395996][ T7704] ___sys_sendmsg+0xee/0x170 [ 9632.395996][ T7704] __sys_sendmsg+0xcd/0x170 [ 9632.395996][ T7704] do_syscall_64+0xc6/0x1e0 [ 9632.395996][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9632.395996][ T7704] [ 9632.397732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9632.397732][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9632.397732][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9632.397732][ T7704] ipv6_find_idev+0x102/0x170 [ 9632.397732][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9632.397732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9632.397732][ T7704] netlink_rcv_skb+0x130/0x360 [ 9632.397732][ T7704] netlink_unicast+0x449/0x710 [ 9632.397732][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9632.397732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9632.397732][ T7704] ___sys_sendmsg+0xee/0x170 [ 9632.397732][ T7704] __sys_sendmsg+0xcd/0x170 [ 9632.397732][ T7704] do_syscall_64+0xc6/0x1e0 [ 9632.397732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9632.397732][ T7704] [ 9642.636824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9642.637290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9642.637290][ T7704] netdev_get_by_index+0x5e/0x80 [ 9642.637290][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9642.637290][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9642.637290][ T7704] ip6_route_add+0x1c/0x140 [ 9642.637290][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9642.637290][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9642.637290][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9642.637290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9642.637290][ T7704] netlink_rcv_skb+0x130/0x360 [ 9642.637290][ T7704] netlink_unicast+0x449/0x710 [ 9642.637290][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9642.637290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9642.637290][ T7704] ___sys_sendmsg+0xee/0x170 [ 9642.637290][ T7704] __sys_sendmsg+0xcd/0x170 [ 9642.637290][ T7704] do_syscall_64+0xc6/0x1e0 [ 9642.637290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9642.637290][ T7704] [ 9642.639535][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9642.639535][ T7704] netdev_get_by_index+0x5e/0x80 [ 9642.639535][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9642.639535][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9642.639535][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9642.639535][ T7704] ipv6_add_addr+0x411/0x2000 [ 9642.639535][ T7704] inet6_addr_add+0x30e/0xa40 [ 9642.639535][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9642.639535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9642.639535][ T7704] netlink_rcv_skb+0x130/0x360 [ 9642.639535][ T7704] netlink_unicast+0x449/0x710 [ 9642.639535][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9642.639535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9642.639535][ T7704] ___sys_sendmsg+0xee/0x170 [ 9642.639535][ T7704] __sys_sendmsg+0xcd/0x170 [ 9642.639535][ T7704] do_syscall_64+0xc6/0x1e0 [ 9642.639535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9642.639535][ T7704] [ 9642.641758][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9642.641758][ T7704] netdev_get_by_index+0x5e/0x80 [ 9642.641758][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9642.641758][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9642.641758][ T7704] ip6_route_add+0x1c/0x140 [ 9642.641758][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9642.641758][ T7704] addrconf_add_dev+0xe2/0x170 [ 9642.641758][ T7704] inet6_addr_add+0x12f/0xa40 [ 9642.641758][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9642.641758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9642.641758][ T7704] netlink_rcv_skb+0x130/0x360 [ 9642.641758][ T7704] netlink_unicast+0x449/0x710 [ 9642.641758][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9642.641758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9642.641758][ T7704] ___sys_sendmsg+0xee/0x170 [ 9642.641758][ T7704] __sys_sendmsg+0xcd/0x170 [ 9642.641758][ T7704] do_syscall_64+0xc6/0x1e0 [ 9642.641758][ T7704] [ 9642.643943][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9642.643943][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9642.643943][ T7704] ipv6_find_idev+0x102/0x170 [ 9642.643943][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9642.643943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9642.643943][ T7704] netlink_rcv_skb+0x130/0x360 [ 9642.643943][ T7704] netlink_unicast+0x449/0x710 [ 9642.643943][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9642.643943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9642.643943][ T7704] ___sys_sendmsg+0xee/0x170 [ 9642.643943][ T7704] __sys_sendmsg+0xcd/0x170 [ 9642.643943][ T7704] do_syscall_64+0xc6/0x1e0 [ 9642.643943][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9642.643943][ T7704] [ 9642.645644][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9642.645644][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9642.645644][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9642.645644][ T7704] ipv6_find_idev+0x102/0x170 [ 9642.645644][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9642.645644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9642.645644][ T7704] netlink_rcv_skb+0x130/0x360 [ 9642.645644][ T7704] netlink_unicast+0x449/0x710 [ 9642.645644][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9642.645644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9642.645644][ T7704] ___sys_sendmsg+0xee/0x170 [ 9642.645644][ T7704] __sys_sendmsg+0xcd/0x170 [ 9642.645644][ T7704] do_syscall_64+0xc6/0x1e0 [ 9642.645644][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9642.645644][ T7704] [ 9652.884812][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9652.885251][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9652.885251][ T7704] netdev_get_by_index+0x5e/0x80 [ 9652.885251][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9652.885251][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9652.885251][ T7704] ip6_route_add+0x1c/0x140 [ 9652.885251][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9652.885251][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9652.885251][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9652.885251][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9652.885251][ T7704] netlink_rcv_skb+0x130/0x360 [ 9652.885251][ T7704] netlink_unicast+0x449/0x710 [ 9652.885251][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9652.885251][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9652.885251][ T7704] ___sys_sendmsg+0xee/0x170 [ 9652.885251][ T7704] __sys_sendmsg+0xcd/0x170 [ 9652.885251][ T7704] do_syscall_64+0xc6/0x1e0 [ 9652.885251][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9652.885251][ T7704] [ 9652.887480][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9652.887480][ T7704] netdev_get_by_index+0x5e/0x80 [ 9652.887480][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9652.887480][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9652.887480][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9652.887480][ T7704] ipv6_add_addr+0x411/0x2000 [ 9652.887480][ T7704] inet6_addr_add+0x30e/0xa40 [ 9652.887480][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9652.887480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9652.887480][ T7704] netlink_rcv_skb+0x130/0x360 [ 9652.887480][ T7704] netlink_unicast+0x449/0x710 [ 9652.887480][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9652.887480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9652.887480][ T7704] ___sys_sendmsg+0xee/0x170 [ 9652.887480][ T7704] __sys_sendmsg+0xcd/0x170 [ 9652.887480][ T7704] do_syscall_64+0xc6/0x1e0 [ 9652.887480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9652.887480][ T7704] [ 9652.889698][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9652.889698][ T7704] netdev_get_by_index+0x5e/0x80 [ 9652.889698][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9652.889698][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9652.889698][ T7704] ip6_route_add+0x1c/0x140 [ 9652.889698][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9652.889698][ T7704] addrconf_add_dev+0xe2/0x170 [ 9652.889698][ T7704] inet6_addr_add+0x12f/0xa40 [ 9652.889698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9652.889698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9652.889698][ T7704] netlink_rcv_skb+0x130/0x360 [ 9652.889698][ T7704] netlink_unicast+0x449/0x710 [ 9652.889698][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9652.889698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9652.889698][ T7704] ___sys_sendmsg+0xee/0x170 [ 9652.889698][ T7704] __sys_sendmsg+0xcd/0x170 [ 9652.889698][ T7704] do_syscall_64+0xc6/0x1e0 [ 9652.889698][ T7704] [ 9652.891868][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9652.891868][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9652.891868][ T7704] ipv6_find_idev+0x102/0x170 [ 9652.891868][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9652.891868][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9652.891868][ T7704] netlink_rcv_skb+0x130/0x360 [ 9652.891868][ T7704] netlink_unicast+0x449/0x710 [ 9652.891868][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9652.891868][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9652.891868][ T7704] ___sys_sendmsg+0xee/0x170 [ 9652.891868][ T7704] __sys_sendmsg+0xcd/0x170 [ 9652.891868][ T7704] do_syscall_64+0xc6/0x1e0 [ 9652.891868][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9652.891868][ T7704] [ 9652.893570][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9652.893570][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9652.893570][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9652.893570][ T7704] ipv6_find_idev+0x102/0x170 [ 9652.893570][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9652.893570][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9652.893570][ T7704] netlink_rcv_skb+0x130/0x360 [ 9652.893570][ T7704] netlink_unicast+0x449/0x710 [ 9652.893570][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9652.893570][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9652.893570][ T7704] ___sys_sendmsg+0xee/0x170 [ 9652.893570][ T7704] __sys_sendmsg+0xcd/0x170 [ 9652.893570][ T7704] do_syscall_64+0xc6/0x1e0 [ 9652.893570][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9652.893570][ T7704] [ 9663.132805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9663.133274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9663.133274][ T7704] netdev_get_by_index+0x5e/0x80 [ 9663.133274][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9663.133274][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9663.133274][ T7704] ip6_route_add+0x1c/0x140 [ 9663.133274][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9663.133274][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9663.133274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9663.133274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9663.133274][ T7704] netlink_rcv_skb+0x130/0x360 [ 9663.133274][ T7704] netlink_unicast+0x449/0x710 [ 9663.133274][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9663.133274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9663.133274][ T7704] ___sys_sendmsg+0xee/0x170 [ 9663.133274][ T7704] __sys_sendmsg+0xcd/0x170 [ 9663.133274][ T7704] do_syscall_64+0xc6/0x1e0 [ 9663.133274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9663.133274][ T7704] [ 9663.135522][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9663.135522][ T7704] netdev_get_by_index+0x5e/0x80 [ 9663.135522][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9663.135522][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9663.135522][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9663.135522][ T7704] ipv6_add_addr+0x411/0x2000 [ 9663.135522][ T7704] inet6_addr_add+0x30e/0xa40 [ 9663.135522][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9663.135522][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9663.135522][ T7704] netlink_rcv_skb+0x130/0x360 [ 9663.135522][ T7704] netlink_unicast+0x449/0x710 [ 9663.135522][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9663.135522][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9663.135522][ T7704] ___sys_sendmsg+0xee/0x170 [ 9663.135522][ T7704] __sys_sendmsg+0xcd/0x170 [ 9663.135522][ T7704] do_syscall_64+0xc6/0x1e0 [ 9663.135522][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9663.135522][ T7704] [ 9663.137736][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9663.137736][ T7704] netdev_get_by_index+0x5e/0x80 [ 9663.137736][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9663.137736][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9663.137736][ T7704] ip6_route_add+0x1c/0x140 [ 9663.137736][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9663.137736][ T7704] addrconf_add_dev+0xe2/0x170 [ 9663.137736][ T7704] inet6_addr_add+0x12f/0xa40 [ 9663.137736][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9663.137736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9663.137736][ T7704] netlink_rcv_skb+0x130/0x360 [ 9663.137736][ T7704] netlink_unicast+0x449/0x710 [ 9663.137736][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9663.137736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9663.137736][ T7704] ___sys_sendmsg+0xee/0x170 [ 9663.137736][ T7704] __sys_sendmsg+0xcd/0x170 [ 9663.137736][ T7704] do_syscall_64+0xc6/0x1e0 [ 9663.137736][ T7704] [ 9663.139899][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9663.139899][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9663.139899][ T7704] ipv6_find_idev+0x102/0x170 [ 9663.139899][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9663.139899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9663.139899][ T7704] netlink_rcv_skb+0x130/0x360 [ 9663.139899][ T7704] netlink_unicast+0x449/0x710 [ 9663.139899][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9663.139899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9663.139899][ T7704] ___sys_sendmsg+0xee/0x170 [ 9663.139899][ T7704] __sys_sendmsg+0xcd/0x170 [ 9663.139899][ T7704] do_syscall_64+0xc6/0x1e0 [ 9663.139899][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9663.139899][ T7704] [ 9663.141603][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9663.141603][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9663.141603][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9663.141603][ T7704] ipv6_find_idev+0x102/0x170 [ 9663.141603][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9663.141603][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9663.141603][ T7704] netlink_rcv_skb+0x130/0x360 [ 9663.141603][ T7704] netlink_unicast+0x449/0x710 [ 9663.141603][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9663.141603][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9663.141603][ T7704] ___sys_sendmsg+0xee/0x170 [ 9663.141603][ T7704] __sys_sendmsg+0xcd/0x170 [ 9663.141603][ T7704] do_syscall_64+0xc6/0x1e0 [ 9663.141603][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9663.141603][ T7704] [ 9673.380793][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9673.381270][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9673.381270][ T7704] netdev_get_by_index+0x5e/0x80 [ 9673.381270][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9673.381270][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9673.381270][ T7704] ip6_route_add+0x1c/0x140 [ 9673.381270][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9673.381270][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9673.381270][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9673.381270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9673.381270][ T7704] netlink_rcv_skb+0x130/0x360 [ 9673.381270][ T7704] netlink_unicast+0x449/0x710 [ 9673.381270][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9673.381270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9673.381270][ T7704] ___sys_sendmsg+0xee/0x170 [ 9673.381270][ T7704] __sys_sendmsg+0xcd/0x170 [ 9673.381270][ T7704] do_syscall_64+0xc6/0x1e0 [ 9673.381270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9673.381270][ T7704] [ 9673.383715][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9673.383715][ T7704] netdev_get_by_index+0x5e/0x80 [ 9673.383715][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9673.383715][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9673.383715][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9673.383715][ T7704] ipv6_add_addr+0x411/0x2000 [ 9673.383715][ T7704] inet6_addr_add+0x30e/0xa40 [ 9673.383715][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9673.383715][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9673.383715][ T7704] netlink_rcv_skb+0x130/0x360 [ 9673.383715][ T7704] netlink_unicast+0x449/0x710 [ 9673.383715][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9673.383715][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9673.383715][ T7704] ___sys_sendmsg+0xee/0x170 [ 9673.383715][ T7704] __sys_sendmsg+0xcd/0x170 [ 9673.383715][ T7704] do_syscall_64+0xc6/0x1e0 [ 9673.383715][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9673.383715][ T7704] [ 9673.386147][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9673.386147][ T7704] netdev_get_by_index+0x5e/0x80 [ 9673.386147][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9673.386147][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9673.386147][ T7704] ip6_route_add+0x1c/0x140 [ 9673.386147][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9673.386147][ T7704] addrconf_add_dev+0xe2/0x170 [ 9673.386147][ T7704] inet6_addr_add+0x12f/0xa40 [ 9673.386147][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9673.386147][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9673.386147][ T7704] netlink_rcv_skb+0x130/0x360 [ 9673.386147][ T7704] netlink_unicast+0x449/0x710 [ 9673.386147][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9673.386147][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9673.386147][ T7704] ___sys_sendmsg+0xee/0x170 [ 9673.386147][ T7704] __sys_sendmsg+0xcd/0x170 [ 9673.386147][ T7704] do_syscall_64+0xc6/0x1e0 [ 9673.386147][ T7704] [ 9673.388530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9673.388530][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9673.388530][ T7704] ipv6_find_idev+0x102/0x170 [ 9673.388530][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9673.388530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9673.388530][ T7704] netlink_rcv_skb+0x130/0x360 [ 9673.388530][ T7704] netlink_unicast+0x449/0x710 [ 9673.388530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9673.388530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9673.388530][ T7704] ___sys_sendmsg+0xee/0x170 [ 9673.388530][ T7704] __sys_sendmsg+0xcd/0x170 [ 9673.388530][ T7704] do_syscall_64+0xc6/0x1e0 [ 9673.388530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9673.388530][ T7704] [ 9673.390394][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9673.390394][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9673.390394][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9673.390394][ T7704] ipv6_find_idev+0x102/0x170 [ 9673.390394][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9673.390394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9673.390394][ T7704] netlink_rcv_skb+0x130/0x360 [ 9673.390394][ T7704] netlink_unicast+0x449/0x710 [ 9673.390394][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9673.390394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9673.390394][ T7704] ___sys_sendmsg+0xee/0x170 [ 9673.390394][ T7704] __sys_sendmsg+0xcd/0x170 [ 9673.390394][ T7704] do_syscall_64+0xc6/0x1e0 [ 9673.390394][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9673.390394][ T7704] [ 9683.628799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9683.629199][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9683.629199][ T7704] netdev_get_by_index+0x5e/0x80 [ 9683.629199][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9683.629199][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9683.629199][ T7704] ip6_route_add+0x1c/0x140 [ 9683.629199][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9683.629199][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9683.629199][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9683.629199][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9683.629199][ T7704] netlink_rcv_skb+0x130/0x360 [ 9683.629199][ T7704] netlink_unicast+0x449/0x710 [ 9683.629199][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9683.629199][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9683.629199][ T7704] ___sys_sendmsg+0xee/0x170 [ 9683.629199][ T7704] __sys_sendmsg+0xcd/0x170 [ 9683.629199][ T7704] do_syscall_64+0xc6/0x1e0 [ 9683.629199][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9683.629199][ T7704] [ 9683.631472][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9683.631472][ T7704] netdev_get_by_index+0x5e/0x80 [ 9683.631472][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9683.631472][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9683.631472][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9683.631472][ T7704] ipv6_add_addr+0x411/0x2000 [ 9683.631472][ T7704] inet6_addr_add+0x30e/0xa40 [ 9683.631472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9683.631472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9683.631472][ T7704] netlink_rcv_skb+0x130/0x360 [ 9683.631472][ T7704] netlink_unicast+0x449/0x710 [ 9683.631472][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9683.631472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9683.631472][ T7704] ___sys_sendmsg+0xee/0x170 [ 9683.631472][ T7704] __sys_sendmsg+0xcd/0x170 [ 9683.631472][ T7704] do_syscall_64+0xc6/0x1e0 [ 9683.631472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9683.631472][ T7704] [ 9683.634284][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9683.634284][ T7704] netdev_get_by_index+0x5e/0x80 [ 9683.634284][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9683.634284][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9683.634284][ T7704] ip6_route_add+0x1c/0x140 [ 9683.634284][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9683.634284][ T7704] addrconf_add_dev+0xe2/0x170 [ 9683.634284][ T7704] inet6_addr_add+0x12f/0xa40 [ 9683.634284][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9683.634284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9683.634284][ T7704] netlink_rcv_skb+0x130/0x360 [ 9683.634284][ T7704] netlink_unicast+0x449/0x710 [ 9683.634284][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9683.634284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9683.634284][ T7704] ___sys_sendmsg+0xee/0x170 [ 9683.634284][ T7704] __sys_sendmsg+0xcd/0x170 [ 9683.634284][ T7704] do_syscall_64+0xc6/0x1e0 [ 9683.634284][ T7704] [ 9683.636977][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9683.636977][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9683.636977][ T7704] ipv6_find_idev+0x102/0x170 [ 9683.636977][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9683.636977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9683.636977][ T7704] netlink_rcv_skb+0x130/0x360 [ 9683.636977][ T7704] netlink_unicast+0x449/0x710 [ 9683.636977][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9683.636977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9683.636977][ T7704] ___sys_sendmsg+0xee/0x170 [ 9683.636977][ T7704] __sys_sendmsg+0xcd/0x170 [ 9683.636977][ T7704] do_syscall_64+0xc6/0x1e0 [ 9683.636977][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9683.636977][ T7704] [ 9683.639069][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9683.639069][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9683.639069][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9683.639069][ T7704] ipv6_find_idev+0x102/0x170 [ 9683.639069][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9683.639069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9683.639069][ T7704] netlink_rcv_skb+0x130/0x360 [ 9683.639069][ T7704] netlink_unicast+0x449/0x710 [ 9683.639069][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9683.639069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9683.639069][ T7704] ___sys_sendmsg+0xee/0x170 [ 9683.639069][ T7704] __sys_sendmsg+0xcd/0x170 [ 9683.639069][ T7704] do_syscall_64+0xc6/0x1e0 [ 9683.639069][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9683.639069][ T7704] [ 9693.876798][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9693.877222][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9693.877222][ T7704] netdev_get_by_index+0x5e/0x80 [ 9693.877222][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9693.877222][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9693.877222][ T7704] ip6_route_add+0x1c/0x140 [ 9693.877222][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9693.877222][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9693.877222][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9693.877222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9693.877222][ T7704] netlink_rcv_skb+0x130/0x360 [ 9693.877222][ T7704] netlink_unicast+0x449/0x710 [ 9693.877222][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9693.877222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9693.877222][ T7704] ___sys_sendmsg+0xee/0x170 [ 9693.877222][ T7704] __sys_sendmsg+0xcd/0x170 [ 9693.877222][ T7704] do_syscall_64+0xc6/0x1e0 [ 9693.877222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9693.877222][ T7704] [ 9693.879659][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9693.879659][ T7704] netdev_get_by_index+0x5e/0x80 [ 9693.879659][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9693.879659][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9693.879659][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9693.879659][ T7704] ipv6_add_addr+0x411/0x2000 [ 9693.879659][ T7704] inet6_addr_add+0x30e/0xa40 [ 9693.879659][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9693.879659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9693.879659][ T7704] netlink_rcv_skb+0x130/0x360 [ 9693.879659][ T7704] netlink_unicast+0x449/0x710 [ 9693.879659][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9693.879659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9693.879659][ T7704] ___sys_sendmsg+0xee/0x170 [ 9693.879659][ T7704] __sys_sendmsg+0xcd/0x170 [ 9693.879659][ T7704] do_syscall_64+0xc6/0x1e0 [ 9693.879659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9693.879659][ T7704] [ 9693.882098][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9693.882098][ T7704] netdev_get_by_index+0x5e/0x80 [ 9693.882098][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9693.882098][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9693.882098][ T7704] ip6_route_add+0x1c/0x140 [ 9693.882098][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9693.882098][ T7704] addrconf_add_dev+0xe2/0x170 [ 9693.882098][ T7704] inet6_addr_add+0x12f/0xa40 [ 9693.882098][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9693.882098][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9693.882098][ T7704] netlink_rcv_skb+0x130/0x360 [ 9693.882098][ T7704] netlink_unicast+0x449/0x710 [ 9693.882098][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9693.882098][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9693.882098][ T7704] ___sys_sendmsg+0xee/0x170 [ 9693.882098][ T7704] __sys_sendmsg+0xcd/0x170 [ 9693.882098][ T7704] do_syscall_64+0xc6/0x1e0 [ 9693.882098][ T7704] [ 9693.884485][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9693.884485][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9693.884485][ T7704] ipv6_find_idev+0x102/0x170 [ 9693.884485][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9693.884485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9693.884485][ T7704] netlink_rcv_skb+0x130/0x360 [ 9693.884485][ T7704] netlink_unicast+0x449/0x710 [ 9693.884485][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9693.884485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9693.884485][ T7704] ___sys_sendmsg+0xee/0x170 [ 9693.884485][ T7704] __sys_sendmsg+0xcd/0x170 [ 9693.884485][ T7704] do_syscall_64+0xc6/0x1e0 [ 9693.884485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9693.884485][ T7704] [ 9693.886356][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9693.886356][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9693.886356][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9693.886356][ T7704] ipv6_find_idev+0x102/0x170 [ 9693.886356][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9693.886356][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9693.886356][ T7704] netlink_rcv_skb+0x130/0x360 [ 9693.886356][ T7704] netlink_unicast+0x449/0x710 [ 9693.886356][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9693.886356][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9693.886356][ T7704] ___sys_sendmsg+0xee/0x170 [ 9693.886356][ T7704] __sys_sendmsg+0xcd/0x170 [ 9693.886356][ T7704] do_syscall_64+0xc6/0x1e0 [ 9693.886356][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9693.886356][ T7704] [ 9704.124815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9704.125289][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9704.125289][ T7704] netdev_get_by_index+0x5e/0x80 [ 9704.125289][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9704.125289][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9704.125289][ T7704] ip6_route_add+0x1c/0x140 [ 9704.125289][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9704.125289][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9704.125289][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9704.125289][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9704.125289][ T7704] netlink_rcv_skb+0x130/0x360 [ 9704.125289][ T7704] netlink_unicast+0x449/0x710 [ 9704.125289][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9704.125289][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9704.125289][ T7704] ___sys_sendmsg+0xee/0x170 [ 9704.125289][ T7704] __sys_sendmsg+0xcd/0x170 [ 9704.125289][ T7704] do_syscall_64+0xc6/0x1e0 [ 9704.125289][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9704.125289][ T7704] [ 9704.127749][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9704.127749][ T7704] netdev_get_by_index+0x5e/0x80 [ 9704.127749][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9704.127749][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9704.127749][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9704.127749][ T7704] ipv6_add_addr+0x411/0x2000 [ 9704.127749][ T7704] inet6_addr_add+0x30e/0xa40 [ 9704.127749][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9704.127749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9704.127749][ T7704] netlink_rcv_skb+0x130/0x360 [ 9704.127749][ T7704] netlink_unicast+0x449/0x710 [ 9704.127749][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9704.127749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9704.127749][ T7704] ___sys_sendmsg+0xee/0x170 [ 9704.127749][ T7704] __sys_sendmsg+0xcd/0x170 [ 9704.127749][ T7704] do_syscall_64+0xc6/0x1e0 [ 9704.127749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9704.127749][ T7704] [ 9704.130175][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9704.130175][ T7704] netdev_get_by_index+0x5e/0x80 [ 9704.130175][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9704.130175][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9704.130175][ T7704] ip6_route_add+0x1c/0x140 [ 9704.130175][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9704.130175][ T7704] addrconf_add_dev+0xe2/0x170 [ 9704.130175][ T7704] inet6_addr_add+0x12f/0xa40 [ 9704.130175][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9704.130175][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9704.130175][ T7704] netlink_rcv_skb+0x130/0x360 [ 9704.130175][ T7704] netlink_unicast+0x449/0x710 [ 9704.130175][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9704.130175][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9704.130175][ T7704] ___sys_sendmsg+0xee/0x170 [ 9704.130175][ T7704] __sys_sendmsg+0xcd/0x170 [ 9704.130175][ T7704] do_syscall_64+0xc6/0x1e0 [ 9704.130175][ T7704] [ 9704.132563][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9704.132563][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9704.132563][ T7704] ipv6_find_idev+0x102/0x170 [ 9704.132563][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9704.132563][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9704.132563][ T7704] netlink_rcv_skb+0x130/0x360 [ 9704.132563][ T7704] netlink_unicast+0x449/0x710 [ 9704.132563][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9704.132563][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9704.132563][ T7704] ___sys_sendmsg+0xee/0x170 [ 9704.132563][ T7704] __sys_sendmsg+0xcd/0x170 [ 9704.132563][ T7704] do_syscall_64+0xc6/0x1e0 [ 9704.132563][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9704.132563][ T7704] [ 9704.134429][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9704.134429][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9704.134429][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9704.134429][ T7704] ipv6_find_idev+0x102/0x170 [ 9704.134429][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9704.134429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9704.134429][ T7704] netlink_rcv_skb+0x130/0x360 [ 9704.134429][ T7704] netlink_unicast+0x449/0x710 [ 9704.134429][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9704.134429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9704.134429][ T7704] ___sys_sendmsg+0xee/0x170 [ 9704.134429][ T7704] __sys_sendmsg+0xcd/0x170 [ 9704.134429][ T7704] do_syscall_64+0xc6/0x1e0 [ 9704.134429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9704.134429][ T7704] [ 9714.372804][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9714.373228][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9714.373228][ T7704] netdev_get_by_index+0x5e/0x80 [ 9714.373228][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9714.373228][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9714.373228][ T7704] ip6_route_add+0x1c/0x140 [ 9714.373228][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9714.373228][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9714.373228][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9714.373228][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9714.373228][ T7704] netlink_rcv_skb+0x130/0x360 [ 9714.373228][ T7704] netlink_unicast+0x449/0x710 [ 9714.373228][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9714.373228][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9714.373228][ T7704] ___sys_sendmsg+0xee/0x170 [ 9714.373228][ T7704] __sys_sendmsg+0xcd/0x170 [ 9714.373228][ T7704] do_syscall_64+0xc6/0x1e0 [ 9714.373228][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9714.373228][ T7704] [ 9714.375675][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9714.375675][ T7704] netdev_get_by_index+0x5e/0x80 [ 9714.375675][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9714.375675][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9714.375675][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9714.375675][ T7704] ipv6_add_addr+0x411/0x2000 [ 9714.375675][ T7704] inet6_addr_add+0x30e/0xa40 [ 9714.375675][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9714.375675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9714.375675][ T7704] netlink_rcv_skb+0x130/0x360 [ 9714.375675][ T7704] netlink_unicast+0x449/0x710 [ 9714.375675][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9714.375675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9714.375675][ T7704] ___sys_sendmsg+0xee/0x170 [ 9714.375675][ T7704] __sys_sendmsg+0xcd/0x170 [ 9714.375675][ T7704] do_syscall_64+0xc6/0x1e0 [ 9714.375675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9714.375675][ T7704] [ 9714.378119][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9714.378119][ T7704] netdev_get_by_index+0x5e/0x80 [ 9714.378119][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9714.378119][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9714.378119][ T7704] ip6_route_add+0x1c/0x140 [ 9714.378119][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9714.378119][ T7704] addrconf_add_dev+0xe2/0x170 [ 9714.378119][ T7704] inet6_addr_add+0x12f/0xa40 [ 9714.378119][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9714.378119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9714.378119][ T7704] netlink_rcv_skb+0x130/0x360 [ 9714.378119][ T7704] netlink_unicast+0x449/0x710 [ 9714.378119][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9714.378119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9714.378119][ T7704] ___sys_sendmsg+0xee/0x170 [ 9714.378119][ T7704] __sys_sendmsg+0xcd/0x170 [ 9714.378119][ T7704] do_syscall_64+0xc6/0x1e0 [ 9714.378119][ T7704] [ 9714.380512][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9714.380512][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9714.380512][ T7704] ipv6_find_idev+0x102/0x170 [ 9714.380512][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9714.380512][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9714.380512][ T7704] netlink_rcv_skb+0x130/0x360 [ 9714.380512][ T7704] netlink_unicast+0x449/0x710 [ 9714.380512][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9714.380512][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9714.380512][ T7704] ___sys_sendmsg+0xee/0x170 [ 9714.380512][ T7704] __sys_sendmsg+0xcd/0x170 [ 9714.380512][ T7704] do_syscall_64+0xc6/0x1e0 [ 9714.380512][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9714.380512][ T7704] [ 9714.382374][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9714.382374][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9714.382374][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9714.382374][ T7704] ipv6_find_idev+0x102/0x170 [ 9714.382374][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9714.382374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9714.382374][ T7704] netlink_rcv_skb+0x130/0x360 [ 9714.382374][ T7704] netlink_unicast+0x449/0x710 [ 9714.382374][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9714.382374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9714.382374][ T7704] ___sys_sendmsg+0xee/0x170 [ 9714.382374][ T7704] __sys_sendmsg+0xcd/0x170 [ 9714.382374][ T7704] do_syscall_64+0xc6/0x1e0 [ 9714.382374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9714.382374][ T7704] [ 9724.620831][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9724.621257][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9724.621257][ T7704] netdev_get_by_index+0x5e/0x80 [ 9724.621257][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9724.621257][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9724.621257][ T7704] ip6_route_add+0x1c/0x140 [ 9724.621257][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9724.621257][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9724.621257][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9724.621257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9724.621257][ T7704] netlink_rcv_skb+0x130/0x360 [ 9724.621257][ T7704] netlink_unicast+0x449/0x710 [ 9724.621257][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9724.621257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9724.621257][ T7704] ___sys_sendmsg+0xee/0x170 [ 9724.621257][ T7704] __sys_sendmsg+0xcd/0x170 [ 9724.621257][ T7704] do_syscall_64+0xc6/0x1e0 [ 9724.621257][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9724.621257][ T7704] [ 9724.623697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9724.623697][ T7704] netdev_get_by_index+0x5e/0x80 [ 9724.623697][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9724.623697][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9724.623697][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9724.623697][ T7704] ipv6_add_addr+0x411/0x2000 [ 9724.623697][ T7704] inet6_addr_add+0x30e/0xa40 [ 9724.623697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9724.623697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9724.623697][ T7704] netlink_rcv_skb+0x130/0x360 [ 9724.623697][ T7704] netlink_unicast+0x449/0x710 [ 9724.623697][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9724.623697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9724.623697][ T7704] ___sys_sendmsg+0xee/0x170 [ 9724.623697][ T7704] __sys_sendmsg+0xcd/0x170 [ 9724.623697][ T7704] do_syscall_64+0xc6/0x1e0 [ 9724.623697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9724.623697][ T7704] [ 9724.626146][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9724.626146][ T7704] netdev_get_by_index+0x5e/0x80 [ 9724.626146][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9724.626146][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9724.626146][ T7704] ip6_route_add+0x1c/0x140 [ 9724.626146][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9724.626146][ T7704] addrconf_add_dev+0xe2/0x170 [ 9724.626146][ T7704] inet6_addr_add+0x12f/0xa40 [ 9724.626146][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9724.626146][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9724.626146][ T7704] netlink_rcv_skb+0x130/0x360 [ 9724.626146][ T7704] netlink_unicast+0x449/0x710 [ 9724.626146][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9724.626146][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9724.626146][ T7704] ___sys_sendmsg+0xee/0x170 [ 9724.626146][ T7704] __sys_sendmsg+0xcd/0x170 [ 9724.626146][ T7704] do_syscall_64+0xc6/0x1e0 [ 9724.626146][ T7704] [ 9724.628531][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9724.628531][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9724.628531][ T7704] ipv6_find_idev+0x102/0x170 [ 9724.628531][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9724.628531][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9724.628531][ T7704] netlink_rcv_skb+0x130/0x360 [ 9724.628531][ T7704] netlink_unicast+0x449/0x710 [ 9724.628531][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9724.628531][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9724.628531][ T7704] ___sys_sendmsg+0xee/0x170 [ 9724.628531][ T7704] __sys_sendmsg+0xcd/0x170 [ 9724.628531][ T7704] do_syscall_64+0xc6/0x1e0 [ 9724.628531][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9724.628531][ T7704] [ 9724.630410][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9724.630410][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9724.630410][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9724.630410][ T7704] ipv6_find_idev+0x102/0x170 [ 9724.630410][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9724.630410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9724.630410][ T7704] netlink_rcv_skb+0x130/0x360 [ 9724.630410][ T7704] netlink_unicast+0x449/0x710 [ 9724.630410][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9724.630410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9724.630410][ T7704] ___sys_sendmsg+0xee/0x170 [ 9724.630410][ T7704] __sys_sendmsg+0xcd/0x170 [ 9724.630410][ T7704] do_syscall_64+0xc6/0x1e0 [ 9724.630410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9724.630410][ T7704] [ 9734.660805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9734.661287][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9734.661287][ T7704] netdev_get_by_index+0x5e/0x80 [ 9734.661287][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9734.661287][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9734.661287][ T7704] ip6_route_add+0x1c/0x140 [ 9734.661287][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9734.661287][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9734.661287][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9734.661287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9734.661287][ T7704] netlink_rcv_skb+0x130/0x360 [ 9734.661287][ T7704] netlink_unicast+0x449/0x710 [ 9734.661287][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9734.661287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9734.661287][ T7704] ___sys_sendmsg+0xee/0x170 [ 9734.661287][ T7704] __sys_sendmsg+0xcd/0x170 [ 9734.661287][ T7704] do_syscall_64+0xc6/0x1e0 [ 9734.661287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9734.661287][ T7704] [ 9734.664240][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9734.664240][ T7704] netdev_get_by_index+0x5e/0x80 [ 9734.664240][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9734.664240][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9734.664240][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9734.664240][ T7704] ipv6_add_addr+0x411/0x2000 [ 9734.664240][ T7704] inet6_addr_add+0x30e/0xa40 [ 9734.664240][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9734.664240][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9734.664240][ T7704] netlink_rcv_skb+0x130/0x360 [ 9734.664240][ T7704] netlink_unicast+0x449/0x710 [ 9734.664240][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9734.664240][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9734.664240][ T7704] ___sys_sendmsg+0xee/0x170 [ 9734.664240][ T7704] __sys_sendmsg+0xcd/0x170 [ 9734.664240][ T7704] do_syscall_64+0xc6/0x1e0 [ 9734.664240][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9734.664240][ T7704] [ 9734.666710][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9734.666710][ T7704] netdev_get_by_index+0x5e/0x80 [ 9734.666710][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9734.666710][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9734.666710][ T7704] ip6_route_add+0x1c/0x140 [ 9734.666710][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9734.666710][ T7704] addrconf_add_dev+0xe2/0x170 [ 9734.666710][ T7704] inet6_addr_add+0x12f/0xa40 [ 9734.666710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9734.666710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9734.666710][ T7704] netlink_rcv_skb+0x130/0x360 [ 9734.666710][ T7704] netlink_unicast+0x449/0x710 [ 9734.666710][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9734.666710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9734.666710][ T7704] ___sys_sendmsg+0xee/0x170 [ 9734.666710][ T7704] __sys_sendmsg+0xcd/0x170 [ 9734.666710][ T7704] do_syscall_64+0xc6/0x1e0 [ 9734.666710][ T7704] [ 9734.668875][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9734.668875][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9734.668875][ T7704] ipv6_find_idev+0x102/0x170 [ 9734.668875][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9734.668875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9734.668875][ T7704] netlink_rcv_skb+0x130/0x360 [ 9734.668875][ T7704] netlink_unicast+0x449/0x710 [ 9734.668875][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9734.668875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9734.668875][ T7704] ___sys_sendmsg+0xee/0x170 [ 9734.668875][ T7704] __sys_sendmsg+0xcd/0x170 [ 9734.668875][ T7704] do_syscall_64+0xc6/0x1e0 [ 9734.668875][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9734.668875][ T7704] [ 9734.670572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9734.670572][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9734.670572][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9734.670572][ T7704] ipv6_find_idev+0x102/0x170 [ 9734.670572][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9734.670572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9734.670572][ T7704] netlink_rcv_skb+0x130/0x360 [ 9734.670572][ T7704] netlink_unicast+0x449/0x710 [ 9734.670572][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9734.670572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9734.670572][ T7704] ___sys_sendmsg+0xee/0x170 [ 9734.670572][ T7704] __sys_sendmsg+0xcd/0x170 [ 9734.670572][ T7704] do_syscall_64+0xc6/0x1e0 [ 9734.670572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9734.670572][ T7704] [ 9744.748873][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9744.749339][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9744.749339][ T7704] netdev_get_by_index+0x5e/0x80 [ 9744.749339][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9744.749339][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9744.749339][ T7704] ip6_route_add+0x1c/0x140 [ 9744.749339][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9744.749339][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9744.749339][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9744.749339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9744.749339][ T7704] netlink_rcv_skb+0x130/0x360 [ 9744.749339][ T7704] netlink_unicast+0x449/0x710 [ 9744.749339][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9744.749339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9744.749339][ T7704] ___sys_sendmsg+0xee/0x170 [ 9744.749339][ T7704] __sys_sendmsg+0xcd/0x170 [ 9744.749339][ T7704] do_syscall_64+0xc6/0x1e0 [ 9744.749339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9744.749339][ T7704] [ 9744.751567][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9744.751567][ T7704] netdev_get_by_index+0x5e/0x80 [ 9744.751567][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9744.751567][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9744.751567][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9744.751567][ T7704] ipv6_add_addr+0x411/0x2000 [ 9744.751567][ T7704] inet6_addr_add+0x30e/0xa40 [ 9744.751567][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9744.751567][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9744.751567][ T7704] netlink_rcv_skb+0x130/0x360 [ 9744.751567][ T7704] netlink_unicast+0x449/0x710 [ 9744.751567][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9744.751567][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9744.751567][ T7704] ___sys_sendmsg+0xee/0x170 [ 9744.751567][ T7704] __sys_sendmsg+0xcd/0x170 [ 9744.751567][ T7704] do_syscall_64+0xc6/0x1e0 [ 9744.751567][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9744.751567][ T7704] [ 9744.753806][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9744.753806][ T7704] netdev_get_by_index+0x5e/0x80 [ 9744.753806][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9744.753806][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9744.753806][ T7704] ip6_route_add+0x1c/0x140 [ 9744.753806][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9744.753806][ T7704] addrconf_add_dev+0xe2/0x170 [ 9744.753806][ T7704] inet6_addr_add+0x12f/0xa40 [ 9744.753806][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9744.753806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9744.753806][ T7704] netlink_rcv_skb+0x130/0x360 [ 9744.753806][ T7704] netlink_unicast+0x449/0x710 [ 9744.753806][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9744.753806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9744.753806][ T7704] ___sys_sendmsg+0xee/0x170 [ 9744.753806][ T7704] __sys_sendmsg+0xcd/0x170 [ 9744.753806][ T7704] do_syscall_64+0xc6/0x1e0 [ 9744.753806][ T7704] [ 9744.756349][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9744.756349][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9744.756349][ T7704] ipv6_find_idev+0x102/0x170 [ 9744.756349][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9744.756349][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9744.756349][ T7704] netlink_rcv_skb+0x130/0x360 [ 9744.756349][ T7704] netlink_unicast+0x449/0x710 [ 9744.756349][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9744.756349][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9744.756349][ T7704] ___sys_sendmsg+0xee/0x170 [ 9744.756349][ T7704] __sys_sendmsg+0xcd/0x170 [ 9744.756349][ T7704] do_syscall_64+0xc6/0x1e0 [ 9744.756349][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9744.756349][ T7704] [ 9744.758039][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9744.758039][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9744.758039][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9744.758039][ T7704] ipv6_find_idev+0x102/0x170 [ 9744.758039][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9744.758039][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9744.758039][ T7704] netlink_rcv_skb+0x130/0x360 [ 9744.758039][ T7704] netlink_unicast+0x449/0x710 [ 9744.758039][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9744.758039][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9744.758039][ T7704] ___sys_sendmsg+0xee/0x170 [ 9744.758039][ T7704] __sys_sendmsg+0xcd/0x170 [ 9744.758039][ T7704] do_syscall_64+0xc6/0x1e0 [ 9744.758039][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9744.758039][ T7704] [ 9755.012824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9755.013297][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9755.013297][ T7704] netdev_get_by_index+0x5e/0x80 [ 9755.013297][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9755.013297][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9755.013297][ T7704] ip6_route_add+0x1c/0x140 [ 9755.013297][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9755.013297][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9755.013297][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9755.013297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9755.013297][ T7704] netlink_rcv_skb+0x130/0x360 [ 9755.013297][ T7704] netlink_unicast+0x449/0x710 [ 9755.013297][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9755.013297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9755.013297][ T7704] ___sys_sendmsg+0xee/0x170 [ 9755.013297][ T7704] __sys_sendmsg+0xcd/0x170 [ 9755.013297][ T7704] do_syscall_64+0xc6/0x1e0 [ 9755.013297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9755.013297][ T7704] [ 9755.015536][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9755.015536][ T7704] netdev_get_by_index+0x5e/0x80 [ 9755.015536][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9755.015536][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9755.015536][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9755.015536][ T7704] ipv6_add_addr+0x411/0x2000 [ 9755.015536][ T7704] inet6_addr_add+0x30e/0xa40 [ 9755.015536][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9755.015536][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9755.015536][ T7704] netlink_rcv_skb+0x130/0x360 [ 9755.015536][ T7704] netlink_unicast+0x449/0x710 [ 9755.015536][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9755.015536][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9755.015536][ T7704] ___sys_sendmsg+0xee/0x170 [ 9755.015536][ T7704] __sys_sendmsg+0xcd/0x170 [ 9755.015536][ T7704] do_syscall_64+0xc6/0x1e0 [ 9755.015536][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9755.015536][ T7704] [ 9755.017762][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9755.017762][ T7704] netdev_get_by_index+0x5e/0x80 [ 9755.017762][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9755.017762][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9755.017762][ T7704] ip6_route_add+0x1c/0x140 [ 9755.017762][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9755.017762][ T7704] addrconf_add_dev+0xe2/0x170 [ 9755.017762][ T7704] inet6_addr_add+0x12f/0xa40 [ 9755.017762][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9755.017762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9755.017762][ T7704] netlink_rcv_skb+0x130/0x360 [ 9755.017762][ T7704] netlink_unicast+0x449/0x710 [ 9755.017762][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9755.017762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9755.017762][ T7704] ___sys_sendmsg+0xee/0x170 [ 9755.017762][ T7704] __sys_sendmsg+0xcd/0x170 [ 9755.017762][ T7704] do_syscall_64+0xc6/0x1e0 [ 9755.017762][ T7704] [ 9755.019925][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9755.019925][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9755.019925][ T7704] ipv6_find_idev+0x102/0x170 [ 9755.019925][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9755.019925][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9755.019925][ T7704] netlink_rcv_skb+0x130/0x360 [ 9755.019925][ T7704] netlink_unicast+0x449/0x710 [ 9755.019925][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9755.019925][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9755.019925][ T7704] ___sys_sendmsg+0xee/0x170 [ 9755.019925][ T7704] __sys_sendmsg+0xcd/0x170 [ 9755.019925][ T7704] do_syscall_64+0xc6/0x1e0 [ 9755.019925][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9755.019925][ T7704] [ 9755.021619][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9755.021619][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9755.021619][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9755.021619][ T7704] ipv6_find_idev+0x102/0x170 [ 9755.021619][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9755.021619][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9755.021619][ T7704] netlink_rcv_skb+0x130/0x360 [ 9755.021619][ T7704] netlink_unicast+0x449/0x710 [ 9755.021619][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9755.021619][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9755.021619][ T7704] ___sys_sendmsg+0xee/0x170 [ 9755.021619][ T7704] __sys_sendmsg+0xcd/0x170 [ 9755.021619][ T7704] do_syscall_64+0xc6/0x1e0 [ 9755.021619][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9755.021619][ T7704] [ 9765.268727][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9765.269216][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9765.269216][ T7704] netdev_get_by_index+0x5e/0x80 [ 9765.269216][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9765.269216][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9765.269216][ T7704] ip6_route_add+0x1c/0x140 [ 9765.269216][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9765.269216][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9765.269216][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9765.269216][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9765.269216][ T7704] netlink_rcv_skb+0x130/0x360 [ 9765.269216][ T7704] netlink_unicast+0x449/0x710 [ 9765.269216][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9765.269216][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9765.269216][ T7704] ___sys_sendmsg+0xee/0x170 [ 9765.269216][ T7704] __sys_sendmsg+0xcd/0x170 [ 9765.269216][ T7704] do_syscall_64+0xc6/0x1e0 [ 9765.269216][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9765.269216][ T7704] [ 9765.271451][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9765.271451][ T7704] netdev_get_by_index+0x5e/0x80 [ 9765.271451][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9765.271451][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9765.271451][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9765.271451][ T7704] ipv6_add_addr+0x411/0x2000 [ 9765.271451][ T7704] inet6_addr_add+0x30e/0xa40 [ 9765.271451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9765.271451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9765.271451][ T7704] netlink_rcv_skb+0x130/0x360 [ 9765.271451][ T7704] netlink_unicast+0x449/0x710 [ 9765.271451][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9765.271451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9765.271451][ T7704] ___sys_sendmsg+0xee/0x170 [ 9765.271451][ T7704] __sys_sendmsg+0xcd/0x170 [ 9765.271451][ T7704] do_syscall_64+0xc6/0x1e0 [ 9765.271451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9765.271451][ T7704] [ 9765.273654][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9765.273654][ T7704] netdev_get_by_index+0x5e/0x80 [ 9765.273654][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9765.273654][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9765.273654][ T7704] ip6_route_add+0x1c/0x140 [ 9765.273654][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9765.273654][ T7704] addrconf_add_dev+0xe2/0x170 [ 9765.273654][ T7704] inet6_addr_add+0x12f/0xa40 [ 9765.273654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9765.273654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9765.273654][ T7704] netlink_rcv_skb+0x130/0x360 [ 9765.273654][ T7704] netlink_unicast+0x449/0x710 [ 9765.273654][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9765.273654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9765.273654][ T7704] ___sys_sendmsg+0xee/0x170 [ 9765.273654][ T7704] __sys_sendmsg+0xcd/0x170 [ 9765.273654][ T7704] do_syscall_64+0xc6/0x1e0 [ 9765.273654][ T7704] [ 9765.275843][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9765.275843][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9765.275843][ T7704] ipv6_find_idev+0x102/0x170 [ 9765.275843][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9765.275843][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9765.275843][ T7704] netlink_rcv_skb+0x130/0x360 [ 9765.275843][ T7704] netlink_unicast+0x449/0x710 [ 9765.275843][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9765.275843][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9765.275843][ T7704] ___sys_sendmsg+0xee/0x170 [ 9765.275843][ T7704] __sys_sendmsg+0xcd/0x170 [ 9765.275843][ T7704] do_syscall_64+0xc6/0x1e0 [ 9765.275843][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9765.275843][ T7704] [ 9765.278066][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9765.278066][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9765.278066][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9765.278066][ T7704] ipv6_find_idev+0x102/0x170 [ 9765.278066][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9765.278066][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9765.278066][ T7704] netlink_rcv_skb+0x130/0x360 [ 9765.278066][ T7704] netlink_unicast+0x449/0x710 [ 9765.278066][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9765.278066][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9765.278066][ T7704] ___sys_sendmsg+0xee/0x170 [ 9765.278066][ T7704] __sys_sendmsg+0xcd/0x170 [ 9765.278066][ T7704] do_syscall_64+0xc6/0x1e0 [ 9765.278066][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9765.278066][ T7704] [ 9775.348893][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9775.349385][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9775.349385][ T7704] netdev_get_by_index+0x5e/0x80 [ 9775.349385][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9775.349385][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9775.349385][ T7704] ip6_route_add+0x1c/0x140 [ 9775.349385][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9775.349385][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9775.349385][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9775.349385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9775.349385][ T7704] netlink_rcv_skb+0x130/0x360 [ 9775.349385][ T7704] netlink_unicast+0x449/0x710 [ 9775.349385][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9775.349385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9775.349385][ T7704] ___sys_sendmsg+0xee/0x170 [ 9775.349385][ T7704] __sys_sendmsg+0xcd/0x170 [ 9775.349385][ T7704] do_syscall_64+0xc6/0x1e0 [ 9775.349385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9775.349385][ T7704] [ 9775.351661][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9775.351661][ T7704] netdev_get_by_index+0x5e/0x80 [ 9775.351661][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9775.351661][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9775.351661][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9775.351661][ T7704] ipv6_add_addr+0x411/0x2000 [ 9775.351661][ T7704] inet6_addr_add+0x30e/0xa40 [ 9775.351661][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9775.351661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9775.351661][ T7704] netlink_rcv_skb+0x130/0x360 [ 9775.351661][ T7704] netlink_unicast+0x449/0x710 [ 9775.351661][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9775.351661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9775.351661][ T7704] ___sys_sendmsg+0xee/0x170 [ 9775.351661][ T7704] __sys_sendmsg+0xcd/0x170 [ 9775.351661][ T7704] do_syscall_64+0xc6/0x1e0 [ 9775.351661][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9775.351661][ T7704] [ 9775.353890][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9775.353890][ T7704] netdev_get_by_index+0x5e/0x80 [ 9775.353890][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9775.353890][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9775.353890][ T7704] ip6_route_add+0x1c/0x140 [ 9775.353890][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9775.353890][ T7704] addrconf_add_dev+0xe2/0x170 [ 9775.353890][ T7704] inet6_addr_add+0x12f/0xa40 [ 9775.353890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9775.353890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9775.353890][ T7704] netlink_rcv_skb+0x130/0x360 [ 9775.353890][ T7704] netlink_unicast+0x449/0x710 [ 9775.353890][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9775.353890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9775.353890][ T7704] ___sys_sendmsg+0xee/0x170 [ 9775.353890][ T7704] __sys_sendmsg+0xcd/0x170 [ 9775.353890][ T7704] do_syscall_64+0xc6/0x1e0 [ 9775.353890][ T7704] [ 9775.356100][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9775.356100][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9775.356100][ T7704] ipv6_find_idev+0x102/0x170 [ 9775.356100][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9775.356100][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9775.356100][ T7704] netlink_rcv_skb+0x130/0x360 [ 9775.356100][ T7704] netlink_unicast+0x449/0x710 [ 9775.356100][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9775.356100][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9775.356100][ T7704] ___sys_sendmsg+0xee/0x170 [ 9775.356100][ T7704] __sys_sendmsg+0xcd/0x170 [ 9775.356100][ T7704] do_syscall_64+0xc6/0x1e0 [ 9775.356100][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9775.356100][ T7704] [ 9775.357809][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9775.357809][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9775.357809][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9775.357809][ T7704] ipv6_find_idev+0x102/0x170 [ 9775.357809][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9775.357809][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9775.357809][ T7704] netlink_rcv_skb+0x130/0x360 [ 9775.357809][ T7704] netlink_unicast+0x449/0x710 [ 9775.357809][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9775.357809][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9775.357809][ T7704] ___sys_sendmsg+0xee/0x170 [ 9775.357809][ T7704] __sys_sendmsg+0xcd/0x170 [ 9775.357809][ T7704] do_syscall_64+0xc6/0x1e0 [ 9775.357809][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9775.357809][ T7704] [ 9785.436740][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9785.437226][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9785.437226][ T7704] netdev_get_by_index+0x5e/0x80 [ 9785.437226][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9785.437226][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9785.437226][ T7704] ip6_route_add+0x1c/0x140 [ 9785.437226][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9785.437226][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9785.437226][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9785.437226][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9785.437226][ T7704] netlink_rcv_skb+0x130/0x360 [ 9785.437226][ T7704] netlink_unicast+0x449/0x710 [ 9785.437226][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9785.437226][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9785.437226][ T7704] ___sys_sendmsg+0xee/0x170 [ 9785.437226][ T7704] __sys_sendmsg+0xcd/0x170 [ 9785.437226][ T7704] do_syscall_64+0xc6/0x1e0 [ 9785.437226][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9785.437226][ T7704] [ 9785.439524][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9785.439524][ T7704] netdev_get_by_index+0x5e/0x80 [ 9785.439524][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9785.439524][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9785.439524][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9785.439524][ T7704] ipv6_add_addr+0x411/0x2000 [ 9785.439524][ T7704] inet6_addr_add+0x30e/0xa40 [ 9785.439524][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9785.439524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9785.439524][ T7704] netlink_rcv_skb+0x130/0x360 [ 9785.439524][ T7704] netlink_unicast+0x449/0x710 [ 9785.439524][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9785.439524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9785.439524][ T7704] ___sys_sendmsg+0xee/0x170 [ 9785.439524][ T7704] __sys_sendmsg+0xcd/0x170 [ 9785.439524][ T7704] do_syscall_64+0xc6/0x1e0 [ 9785.439524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9785.439524][ T7704] [ 9785.441788][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9785.441788][ T7704] netdev_get_by_index+0x5e/0x80 [ 9785.441788][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9785.441788][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9785.441788][ T7704] ip6_route_add+0x1c/0x140 [ 9785.441788][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9785.441788][ T7704] addrconf_add_dev+0xe2/0x170 [ 9785.441788][ T7704] inet6_addr_add+0x12f/0xa40 [ 9785.441788][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9785.441788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9785.441788][ T7704] netlink_rcv_skb+0x130/0x360 [ 9785.441788][ T7704] netlink_unicast+0x449/0x710 [ 9785.441788][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9785.441788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9785.441788][ T7704] ___sys_sendmsg+0xee/0x170 [ 9785.441788][ T7704] __sys_sendmsg+0xcd/0x170 [ 9785.441788][ T7704] do_syscall_64+0xc6/0x1e0 [ 9785.441788][ T7704] [ 9785.444001][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9785.444001][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9785.444001][ T7704] ipv6_find_idev+0x102/0x170 [ 9785.444001][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9785.444001][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9785.444001][ T7704] netlink_rcv_skb+0x130/0x360 [ 9785.444001][ T7704] netlink_unicast+0x449/0x710 [ 9785.444001][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9785.444001][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9785.444001][ T7704] ___sys_sendmsg+0xee/0x170 [ 9785.444001][ T7704] __sys_sendmsg+0xcd/0x170 [ 9785.444001][ T7704] do_syscall_64+0xc6/0x1e0 [ 9785.444001][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9785.444001][ T7704] [ 9785.445728][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9785.445728][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9785.445728][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9785.445728][ T7704] ipv6_find_idev+0x102/0x170 [ 9785.445728][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9785.445728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9785.445728][ T7704] netlink_rcv_skb+0x130/0x360 [ 9785.445728][ T7704] netlink_unicast+0x449/0x710 [ 9785.445728][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9785.445728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9785.445728][ T7704] ___sys_sendmsg+0xee/0x170 [ 9785.445728][ T7704] __sys_sendmsg+0xcd/0x170 [ 9785.445728][ T7704] do_syscall_64+0xc6/0x1e0 [ 9785.445728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9785.445728][ T7704] [ 9795.700728][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9795.701169][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9795.701169][ T7704] netdev_get_by_index+0x5e/0x80 [ 9795.701169][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9795.701169][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9795.701169][ T7704] ip6_route_add+0x1c/0x140 [ 9795.701169][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9795.701169][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9795.701169][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9795.701169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9795.701169][ T7704] netlink_rcv_skb+0x130/0x360 [ 9795.701169][ T7704] netlink_unicast+0x449/0x710 [ 9795.701169][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9795.701169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9795.701169][ T7704] ___sys_sendmsg+0xee/0x170 [ 9795.701169][ T7704] __sys_sendmsg+0xcd/0x170 [ 9795.701169][ T7704] do_syscall_64+0xc6/0x1e0 [ 9795.701169][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9795.701169][ T7704] [ 9795.703631][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9795.703631][ T7704] netdev_get_by_index+0x5e/0x80 [ 9795.703631][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9795.703631][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9795.703631][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9795.703631][ T7704] ipv6_add_addr+0x411/0x2000 [ 9795.703631][ T7704] inet6_addr_add+0x30e/0xa40 [ 9795.703631][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9795.703631][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9795.703631][ T7704] netlink_rcv_skb+0x130/0x360 [ 9795.703631][ T7704] netlink_unicast+0x449/0x710 [ 9795.703631][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9795.703631][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9795.703631][ T7704] ___sys_sendmsg+0xee/0x170 [ 9795.703631][ T7704] __sys_sendmsg+0xcd/0x170 [ 9795.703631][ T7704] do_syscall_64+0xc6/0x1e0 [ 9795.703631][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9795.703631][ T7704] [ 9795.706096][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9795.706096][ T7704] netdev_get_by_index+0x5e/0x80 [ 9795.706096][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9795.706096][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9795.706096][ T7704] ip6_route_add+0x1c/0x140 [ 9795.706096][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9795.706096][ T7704] addrconf_add_dev+0xe2/0x170 [ 9795.706096][ T7704] inet6_addr_add+0x12f/0xa40 [ 9795.706096][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9795.706096][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9795.706096][ T7704] netlink_rcv_skb+0x130/0x360 [ 9795.706096][ T7704] netlink_unicast+0x449/0x710 [ 9795.706096][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9795.706096][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9795.706096][ T7704] ___sys_sendmsg+0xee/0x170 [ 9795.706096][ T7704] __sys_sendmsg+0xcd/0x170 [ 9795.706096][ T7704] do_syscall_64+0xc6/0x1e0 [ 9795.706096][ T7704] [ 9795.708850][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9795.708850][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9795.708850][ T7704] ipv6_find_idev+0x102/0x170 [ 9795.708850][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9795.708850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9795.708850][ T7704] netlink_rcv_skb+0x130/0x360 [ 9795.708850][ T7704] netlink_unicast+0x449/0x710 [ 9795.708850][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9795.708850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9795.708850][ T7704] ___sys_sendmsg+0xee/0x170 [ 9795.708850][ T7704] __sys_sendmsg+0xcd/0x170 [ 9795.708850][ T7704] do_syscall_64+0xc6/0x1e0 [ 9795.708850][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9795.708850][ T7704] [ 9795.710728][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9795.710728][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9795.710728][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9795.710728][ T7704] ipv6_find_idev+0x102/0x170 [ 9795.710728][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9795.710728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9795.710728][ T7704] netlink_rcv_skb+0x130/0x360 [ 9795.710728][ T7704] netlink_unicast+0x449/0x710 [ 9795.710728][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9795.710728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9795.710728][ T7704] ___sys_sendmsg+0xee/0x170 [ 9795.710728][ T7704] __sys_sendmsg+0xcd/0x170 [ 9795.710728][ T7704] do_syscall_64+0xc6/0x1e0 [ 9795.710728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9795.710728][ T7704] [ 9805.948729][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9805.949187][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9805.949187][ T7704] netdev_get_by_index+0x5e/0x80 [ 9805.949187][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9805.949187][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9805.949187][ T7704] ip6_route_add+0x1c/0x140 [ 9805.949187][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9805.949187][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9805.949187][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9805.949187][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.949187][ T7704] netlink_rcv_skb+0x130/0x360 [ 9805.949187][ T7704] netlink_unicast+0x449/0x710 [ 9805.949187][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9805.949187][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9805.949187][ T7704] ___sys_sendmsg+0xee/0x170 [ 9805.949187][ T7704] __sys_sendmsg+0xcd/0x170 [ 9805.949187][ T7704] do_syscall_64+0xc6/0x1e0 [ 9805.949187][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9805.949187][ T7704] [ 9805.951634][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9805.951634][ T7704] netdev_get_by_index+0x5e/0x80 [ 9805.951634][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9805.951634][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9805.951634][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9805.951634][ T7704] ipv6_add_addr+0x411/0x2000 [ 9805.951634][ T7704] inet6_addr_add+0x30e/0xa40 [ 9805.951634][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9805.951634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.951634][ T7704] netlink_rcv_skb+0x130/0x360 [ 9805.951634][ T7704] netlink_unicast+0x449/0x710 [ 9805.951634][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9805.951634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9805.951634][ T7704] ___sys_sendmsg+0xee/0x170 [ 9805.951634][ T7704] __sys_sendmsg+0xcd/0x170 [ 9805.951634][ T7704] do_syscall_64+0xc6/0x1e0 [ 9805.951634][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9805.951634][ T7704] [ 9805.954070][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9805.954070][ T7704] netdev_get_by_index+0x5e/0x80 [ 9805.954070][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9805.954070][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9805.954070][ T7704] ip6_route_add+0x1c/0x140 [ 9805.954070][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9805.954070][ T7704] addrconf_add_dev+0xe2/0x170 [ 9805.954070][ T7704] inet6_addr_add+0x12f/0xa40 [ 9805.954070][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9805.954070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.954070][ T7704] netlink_rcv_skb+0x130/0x360 [ 9805.954070][ T7704] netlink_unicast+0x449/0x710 [ 9805.954070][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9805.954070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9805.954070][ T7704] ___sys_sendmsg+0xee/0x170 [ 9805.954070][ T7704] __sys_sendmsg+0xcd/0x170 [ 9805.954070][ T7704] do_syscall_64+0xc6/0x1e0 [ 9805.954070][ T7704] [ 9805.956456][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9805.956456][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9805.956456][ T7704] ipv6_find_idev+0x102/0x170 [ 9805.956456][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9805.956456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.956456][ T7704] netlink_rcv_skb+0x130/0x360 [ 9805.956456][ T7704] netlink_unicast+0x449/0x710 [ 9805.956456][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9805.956456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9805.956456][ T7704] ___sys_sendmsg+0xee/0x170 [ 9805.956456][ T7704] __sys_sendmsg+0xcd/0x170 [ 9805.956456][ T7704] do_syscall_64+0xc6/0x1e0 [ 9805.956456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9805.956456][ T7704] [ 9805.958329][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9805.958329][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9805.958329][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9805.958329][ T7704] ipv6_find_idev+0x102/0x170 [ 9805.958329][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9805.958329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.958329][ T7704] netlink_rcv_skb+0x130/0x360 [ 9805.958329][ T7704] netlink_unicast+0x449/0x710 [ 9805.958329][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9805.958329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9805.958329][ T7704] ___sys_sendmsg+0xee/0x170 [ 9805.958329][ T7704] __sys_sendmsg+0xcd/0x170 [ 9805.958329][ T7704] do_syscall_64+0xc6/0x1e0 [ 9805.958329][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9805.958329][ T7704] [ 9816.076744][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9816.077219][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9816.077219][ T7704] netdev_get_by_index+0x5e/0x80 [ 9816.077219][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9816.077219][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9816.077219][ T7704] ip6_route_add+0x1c/0x140 [ 9816.077219][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9816.077219][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9816.077219][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9816.077219][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9816.077219][ T7704] netlink_rcv_skb+0x130/0x360 [ 9816.077219][ T7704] netlink_unicast+0x449/0x710 [ 9816.077219][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9816.077219][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9816.077219][ T7704] ___sys_sendmsg+0xee/0x170 [ 9816.077219][ T7704] __sys_sendmsg+0xcd/0x170 [ 9816.077219][ T7704] do_syscall_64+0xc6/0x1e0 [ 9816.077219][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9816.077219][ T7704] [ 9816.079667][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9816.079667][ T7704] netdev_get_by_index+0x5e/0x80 [ 9816.079667][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9816.079667][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9816.079667][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9816.079667][ T7704] ipv6_add_addr+0x411/0x2000 [ 9816.079667][ T7704] inet6_addr_add+0x30e/0xa40 [ 9816.079667][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9816.079667][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9816.079667][ T7704] netlink_rcv_skb+0x130/0x360 [ 9816.079667][ T7704] netlink_unicast+0x449/0x710 [ 9816.079667][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9816.079667][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9816.079667][ T7704] ___sys_sendmsg+0xee/0x170 [ 9816.079667][ T7704] __sys_sendmsg+0xcd/0x170 [ 9816.079667][ T7704] do_syscall_64+0xc6/0x1e0 [ 9816.079667][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9816.079667][ T7704] [ 9816.082101][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9816.082101][ T7704] netdev_get_by_index+0x5e/0x80 [ 9816.082101][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9816.082101][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9816.082101][ T7704] ip6_route_add+0x1c/0x140 [ 9816.082101][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9816.082101][ T7704] addrconf_add_dev+0xe2/0x170 [ 9816.082101][ T7704] inet6_addr_add+0x12f/0xa40 [ 9816.082101][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9816.082101][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9816.082101][ T7704] netlink_rcv_skb+0x130/0x360 [ 9816.082101][ T7704] netlink_unicast+0x449/0x710 [ 9816.082101][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9816.082101][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9816.082101][ T7704] ___sys_sendmsg+0xee/0x170 [ 9816.082101][ T7704] __sys_sendmsg+0xcd/0x170 [ 9816.082101][ T7704] do_syscall_64+0xc6/0x1e0 [ 9816.082101][ T7704] [ 9816.084499][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9816.084499][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9816.084499][ T7704] ipv6_find_idev+0x102/0x170 [ 9816.084499][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9816.084499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9816.084499][ T7704] netlink_rcv_skb+0x130/0x360 [ 9816.084499][ T7704] netlink_unicast+0x449/0x710 [ 9816.084499][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9816.084499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9816.084499][ T7704] ___sys_sendmsg+0xee/0x170 [ 9816.084499][ T7704] __sys_sendmsg+0xcd/0x170 [ 9816.084499][ T7704] do_syscall_64+0xc6/0x1e0 [ 9816.084499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9816.084499][ T7704] [ 9816.086282][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9816.086282][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9816.086282][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9816.086282][ T7704] ipv6_find_idev+0x102/0x170 [ 9816.086282][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9816.086282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9816.086282][ T7704] netlink_rcv_skb+0x130/0x360 [ 9816.086282][ T7704] netlink_unicast+0x449/0x710 [ 9816.086282][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9816.086282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9816.086282][ T7704] ___sys_sendmsg+0xee/0x170 [ 9816.086282][ T7704] __sys_sendmsg+0xcd/0x170 [ 9816.086282][ T7704] do_syscall_64+0xc6/0x1e0 [ 9816.086282][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9816.086282][ T7704] [ 9826.260740][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9826.261223][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9826.261223][ T7704] netdev_get_by_index+0x5e/0x80 [ 9826.261223][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9826.261223][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9826.261223][ T7704] ip6_route_add+0x1c/0x140 [ 9826.261223][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9826.261223][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9826.261223][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9826.261223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9826.261223][ T7704] netlink_rcv_skb+0x130/0x360 [ 9826.261223][ T7704] netlink_unicast+0x449/0x710 [ 9826.261223][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9826.261223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9826.261223][ T7704] ___sys_sendmsg+0xee/0x170 [ 9826.261223][ T7704] __sys_sendmsg+0xcd/0x170 [ 9826.261223][ T7704] do_syscall_64+0xc6/0x1e0 [ 9826.261223][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9826.261223][ T7704] [ 9826.263467][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9826.263467][ T7704] netdev_get_by_index+0x5e/0x80 [ 9826.263467][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9826.263467][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9826.263467][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9826.263467][ T7704] ipv6_add_addr+0x411/0x2000 [ 9826.263467][ T7704] inet6_addr_add+0x30e/0xa40 [ 9826.263467][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9826.263467][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9826.263467][ T7704] netlink_rcv_skb+0x130/0x360 [ 9826.263467][ T7704] netlink_unicast+0x449/0x710 [ 9826.263467][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9826.263467][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9826.263467][ T7704] ___sys_sendmsg+0xee/0x170 [ 9826.263467][ T7704] __sys_sendmsg+0xcd/0x170 [ 9826.263467][ T7704] do_syscall_64+0xc6/0x1e0 [ 9826.263467][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9826.263467][ T7704] [ 9826.265708][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9826.265708][ T7704] netdev_get_by_index+0x5e/0x80 [ 9826.265708][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9826.265708][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9826.265708][ T7704] ip6_route_add+0x1c/0x140 [ 9826.265708][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9826.265708][ T7704] addrconf_add_dev+0xe2/0x170 [ 9826.265708][ T7704] inet6_addr_add+0x12f/0xa40 [ 9826.265708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9826.265708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9826.265708][ T7704] netlink_rcv_skb+0x130/0x360 [ 9826.265708][ T7704] netlink_unicast+0x449/0x710 [ 9826.265708][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9826.265708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9826.265708][ T7704] ___sys_sendmsg+0xee/0x170 [ 9826.265708][ T7704] __sys_sendmsg+0xcd/0x170 [ 9826.265708][ T7704] do_syscall_64+0xc6/0x1e0 [ 9826.265708][ T7704] [ 9826.267911][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9826.267911][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9826.267911][ T7704] ipv6_find_idev+0x102/0x170 [ 9826.267911][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9826.267911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9826.267911][ T7704] netlink_rcv_skb+0x130/0x360 [ 9826.267911][ T7704] netlink_unicast+0x449/0x710 [ 9826.267911][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9826.267911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9826.267911][ T7704] ___sys_sendmsg+0xee/0x170 [ 9826.267911][ T7704] __sys_sendmsg+0xcd/0x170 [ 9826.267911][ T7704] do_syscall_64+0xc6/0x1e0 [ 9826.267911][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9826.267911][ T7704] [ 9826.269621][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9826.269621][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9826.269621][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9826.269621][ T7704] ipv6_find_idev+0x102/0x170 [ 9826.269621][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9826.269621][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9826.269621][ T7704] netlink_rcv_skb+0x130/0x360 [ 9826.269621][ T7704] netlink_unicast+0x449/0x710 [ 9826.269621][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9826.269621][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9826.269621][ T7704] ___sys_sendmsg+0xee/0x170 [ 9826.269621][ T7704] __sys_sendmsg+0xcd/0x170 [ 9826.269621][ T7704] do_syscall_64+0xc6/0x1e0 [ 9826.269621][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9826.269621][ T7704] [ 9836.372802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9836.373291][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9836.373291][ T7704] netdev_get_by_index+0x5e/0x80 [ 9836.373291][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9836.373291][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9836.373291][ T7704] ip6_route_add+0x1c/0x140 [ 9836.373291][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9836.373291][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9836.373291][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9836.373291][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9836.373291][ T7704] netlink_rcv_skb+0x130/0x360 [ 9836.373291][ T7704] netlink_unicast+0x449/0x710 [ 9836.373291][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9836.373291][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9836.373291][ T7704] ___sys_sendmsg+0xee/0x170 [ 9836.373291][ T7704] __sys_sendmsg+0xcd/0x170 [ 9836.373291][ T7704] do_syscall_64+0xc6/0x1e0 [ 9836.373291][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9836.373291][ T7704] [ 9836.375984][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9836.375984][ T7704] netdev_get_by_index+0x5e/0x80 [ 9836.375984][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9836.375984][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9836.375984][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9836.375984][ T7704] ipv6_add_addr+0x411/0x2000 [ 9836.375984][ T7704] inet6_addr_add+0x30e/0xa40 [ 9836.375984][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9836.375984][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9836.375984][ T7704] netlink_rcv_skb+0x130/0x360 [ 9836.375984][ T7704] netlink_unicast+0x449/0x710 [ 9836.375984][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9836.375984][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9836.375984][ T7704] ___sys_sendmsg+0xee/0x170 [ 9836.375984][ T7704] __sys_sendmsg+0xcd/0x170 [ 9836.375984][ T7704] do_syscall_64+0xc6/0x1e0 [ 9836.375984][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9836.375984][ T7704] [ 9836.378641][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9836.378641][ T7704] netdev_get_by_index+0x5e/0x80 [ 9836.378641][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9836.378641][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9836.378641][ T7704] ip6_route_add+0x1c/0x140 [ 9836.378641][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9836.378641][ T7704] addrconf_add_dev+0xe2/0x170 [ 9836.378641][ T7704] inet6_addr_add+0x12f/0xa40 [ 9836.378641][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9836.378641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9836.378641][ T7704] netlink_rcv_skb+0x130/0x360 [ 9836.378641][ T7704] netlink_unicast+0x449/0x710 [ 9836.378641][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9836.378641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9836.378641][ T7704] ___sys_sendmsg+0xee/0x170 [ 9836.378641][ T7704] __sys_sendmsg+0xcd/0x170 [ 9836.378641][ T7704] do_syscall_64+0xc6/0x1e0 [ 9836.378641][ T7704] [ 9836.381256][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9836.381256][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9836.381256][ T7704] ipv6_find_idev+0x102/0x170 [ 9836.381256][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9836.381256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9836.381256][ T7704] netlink_rcv_skb+0x130/0x360 [ 9836.381256][ T7704] netlink_unicast+0x449/0x710 [ 9836.381256][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9836.381256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9836.381256][ T7704] ___sys_sendmsg+0xee/0x170 [ 9836.381256][ T7704] __sys_sendmsg+0xcd/0x170 [ 9836.381256][ T7704] do_syscall_64+0xc6/0x1e0 [ 9836.381256][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9836.381256][ T7704] [ 9836.383303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9836.383303][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9836.383303][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9836.383303][ T7704] ipv6_find_idev+0x102/0x170 [ 9836.383303][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9836.383303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9836.383303][ T7704] netlink_rcv_skb+0x130/0x360 [ 9836.383303][ T7704] netlink_unicast+0x449/0x710 [ 9836.383303][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9836.383303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9836.383303][ T7704] ___sys_sendmsg+0xee/0x170 [ 9836.383303][ T7704] __sys_sendmsg+0xcd/0x170 [ 9836.383303][ T7704] do_syscall_64+0xc6/0x1e0 [ 9836.383303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9836.383303][ T7704] [ 9846.620746][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9846.621202][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9846.621202][ T7704] netdev_get_by_index+0x5e/0x80 [ 9846.621202][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9846.621202][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9846.621202][ T7704] ip6_route_add+0x1c/0x140 [ 9846.621202][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9846.621202][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9846.621202][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9846.621202][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.621202][ T7704] netlink_rcv_skb+0x130/0x360 [ 9846.621202][ T7704] netlink_unicast+0x449/0x710 [ 9846.621202][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9846.621202][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9846.621202][ T7704] ___sys_sendmsg+0xee/0x170 [ 9846.621202][ T7704] __sys_sendmsg+0xcd/0x170 [ 9846.621202][ T7704] do_syscall_64+0xc6/0x1e0 [ 9846.621202][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9846.621202][ T7704] [ 9846.623579][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9846.623579][ T7704] netdev_get_by_index+0x5e/0x80 [ 9846.623579][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9846.623579][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9846.623579][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9846.623579][ T7704] ipv6_add_addr+0x411/0x2000 [ 9846.623579][ T7704] inet6_addr_add+0x30e/0xa40 [ 9846.623579][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9846.623579][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.623579][ T7704] netlink_rcv_skb+0x130/0x360 [ 9846.623579][ T7704] netlink_unicast+0x449/0x710 [ 9846.623579][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9846.623579][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9846.623579][ T7704] ___sys_sendmsg+0xee/0x170 [ 9846.623579][ T7704] __sys_sendmsg+0xcd/0x170 [ 9846.623579][ T7704] do_syscall_64+0xc6/0x1e0 [ 9846.623579][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9846.623579][ T7704] [ 9846.625784][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9846.625784][ T7704] netdev_get_by_index+0x5e/0x80 [ 9846.625784][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9846.625784][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9846.625784][ T7704] ip6_route_add+0x1c/0x140 [ 9846.625784][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9846.625784][ T7704] addrconf_add_dev+0xe2/0x170 [ 9846.625784][ T7704] inet6_addr_add+0x12f/0xa40 [ 9846.625784][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9846.625784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.625784][ T7704] netlink_rcv_skb+0x130/0x360 [ 9846.625784][ T7704] netlink_unicast+0x449/0x710 [ 9846.625784][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9846.625784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9846.625784][ T7704] ___sys_sendmsg+0xee/0x170 [ 9846.625784][ T7704] __sys_sendmsg+0xcd/0x170 [ 9846.625784][ T7704] do_syscall_64+0xc6/0x1e0 [ 9846.625784][ T7704] [ 9846.627956][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9846.627956][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9846.627956][ T7704] ipv6_find_idev+0x102/0x170 [ 9846.627956][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9846.627956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.627956][ T7704] netlink_rcv_skb+0x130/0x360 [ 9846.627956][ T7704] netlink_unicast+0x449/0x710 [ 9846.627956][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9846.627956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9846.627956][ T7704] ___sys_sendmsg+0xee/0x170 [ 9846.627956][ T7704] __sys_sendmsg+0xcd/0x170 [ 9846.627956][ T7704] do_syscall_64+0xc6/0x1e0 [ 9846.627956][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9846.627956][ T7704] [ 9846.629655][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9846.629655][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9846.629655][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9846.629655][ T7704] ipv6_find_idev+0x102/0x170 [ 9846.629655][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9846.629655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.629655][ T7704] netlink_rcv_skb+0x130/0x360 [ 9846.629655][ T7704] netlink_unicast+0x449/0x710 [ 9846.629655][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9846.629655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9846.629655][ T7704] ___sys_sendmsg+0xee/0x170 [ 9846.629655][ T7704] __sys_sendmsg+0xcd/0x170 [ 9846.629655][ T7704] do_syscall_64+0xc6/0x1e0 [ 9846.629655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9846.629655][ T7704] [ 9856.668758][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9856.669229][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9856.669229][ T7704] netdev_get_by_index+0x5e/0x80 [ 9856.669229][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9856.669229][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9856.669229][ T7704] ip6_route_add+0x1c/0x140 [ 9856.669229][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9856.669229][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9856.669229][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9856.669229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.669229][ T7704] netlink_rcv_skb+0x130/0x360 [ 9856.669229][ T7704] netlink_unicast+0x449/0x710 [ 9856.669229][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9856.669229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9856.669229][ T7704] ___sys_sendmsg+0xee/0x170 [ 9856.669229][ T7704] __sys_sendmsg+0xcd/0x170 [ 9856.669229][ T7704] do_syscall_64+0xc6/0x1e0 [ 9856.669229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9856.669229][ T7704] [ 9856.671917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9856.671917][ T7704] netdev_get_by_index+0x5e/0x80 [ 9856.671917][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9856.671917][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9856.671917][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9856.671917][ T7704] ipv6_add_addr+0x411/0x2000 [ 9856.671917][ T7704] inet6_addr_add+0x30e/0xa40 [ 9856.671917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9856.671917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.671917][ T7704] netlink_rcv_skb+0x130/0x360 [ 9856.671917][ T7704] netlink_unicast+0x449/0x710 [ 9856.671917][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9856.671917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9856.671917][ T7704] ___sys_sendmsg+0xee/0x170 [ 9856.671917][ T7704] __sys_sendmsg+0xcd/0x170 [ 9856.671917][ T7704] do_syscall_64+0xc6/0x1e0 [ 9856.671917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9856.671917][ T7704] [ 9856.674582][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9856.674582][ T7704] netdev_get_by_index+0x5e/0x80 [ 9856.674582][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9856.674582][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9856.674582][ T7704] ip6_route_add+0x1c/0x140 [ 9856.674582][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9856.674582][ T7704] addrconf_add_dev+0xe2/0x170 [ 9856.674582][ T7704] inet6_addr_add+0x12f/0xa40 [ 9856.674582][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9856.674582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.674582][ T7704] netlink_rcv_skb+0x130/0x360 [ 9856.674582][ T7704] netlink_unicast+0x449/0x710 [ 9856.674582][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9856.674582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9856.674582][ T7704] ___sys_sendmsg+0xee/0x170 [ 9856.674582][ T7704] __sys_sendmsg+0xcd/0x170 [ 9856.674582][ T7704] do_syscall_64+0xc6/0x1e0 [ 9856.674582][ T7704] [ 9856.677213][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9856.677213][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9856.677213][ T7704] ipv6_find_idev+0x102/0x170 [ 9856.677213][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9856.677213][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.677213][ T7704] netlink_rcv_skb+0x130/0x360 [ 9856.677213][ T7704] netlink_unicast+0x449/0x710 [ 9856.677213][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9856.677213][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9856.677213][ T7704] ___sys_sendmsg+0xee/0x170 [ 9856.677213][ T7704] __sys_sendmsg+0xcd/0x170 [ 9856.677213][ T7704] do_syscall_64+0xc6/0x1e0 [ 9856.677213][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9856.677213][ T7704] [ 9856.679266][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9856.679266][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9856.679266][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9856.679266][ T7704] ipv6_find_idev+0x102/0x170 [ 9856.679266][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9856.679266][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.679266][ T7704] netlink_rcv_skb+0x130/0x360 [ 9856.679266][ T7704] netlink_unicast+0x449/0x710 [ 9856.679266][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9856.679266][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9856.679266][ T7704] ___sys_sendmsg+0xee/0x170 [ 9856.679266][ T7704] __sys_sendmsg+0xcd/0x170 [ 9856.679266][ T7704] do_syscall_64+0xc6/0x1e0 [ 9856.679266][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9856.679266][ T7704] [ 9866.844799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9866.845283][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9866.845283][ T7704] netdev_get_by_index+0x5e/0x80 [ 9866.845283][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9866.845283][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9866.845283][ T7704] ip6_route_add+0x1c/0x140 [ 9866.845283][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9866.845283][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9866.845283][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9866.845283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9866.845283][ T7704] netlink_rcv_skb+0x130/0x360 [ 9866.845283][ T7704] netlink_unicast+0x449/0x710 [ 9866.845283][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9866.845283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9866.845283][ T7704] ___sys_sendmsg+0xee/0x170 [ 9866.845283][ T7704] __sys_sendmsg+0xcd/0x170 [ 9866.845283][ T7704] do_syscall_64+0xc6/0x1e0 [ 9866.845283][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9866.845283][ T7704] [ 9866.847728][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9866.847728][ T7704] netdev_get_by_index+0x5e/0x80 [ 9866.847728][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9866.847728][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9866.847728][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9866.847728][ T7704] ipv6_add_addr+0x411/0x2000 [ 9866.847728][ T7704] inet6_addr_add+0x30e/0xa40 [ 9866.847728][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9866.847728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9866.847728][ T7704] netlink_rcv_skb+0x130/0x360 [ 9866.847728][ T7704] netlink_unicast+0x449/0x710 [ 9866.847728][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9866.847728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9866.847728][ T7704] ___sys_sendmsg+0xee/0x170 [ 9866.847728][ T7704] __sys_sendmsg+0xcd/0x170 [ 9866.847728][ T7704] do_syscall_64+0xc6/0x1e0 [ 9866.847728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9866.847728][ T7704] [ 9866.850149][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9866.850149][ T7704] netdev_get_by_index+0x5e/0x80 [ 9866.850149][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9866.850149][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9866.850149][ T7704] ip6_route_add+0x1c/0x140 [ 9866.850149][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9866.850149][ T7704] addrconf_add_dev+0xe2/0x170 [ 9866.850149][ T7704] inet6_addr_add+0x12f/0xa40 [ 9866.850149][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9866.850149][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9866.850149][ T7704] netlink_rcv_skb+0x130/0x360 [ 9866.850149][ T7704] netlink_unicast+0x449/0x710 [ 9866.850149][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9866.850149][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9866.850149][ T7704] ___sys_sendmsg+0xee/0x170 [ 9866.850149][ T7704] __sys_sendmsg+0xcd/0x170 [ 9866.850149][ T7704] do_syscall_64+0xc6/0x1e0 [ 9866.850149][ T7704] [ 9866.852529][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9866.852529][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9866.852529][ T7704] ipv6_find_idev+0x102/0x170 [ 9866.852529][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9866.852529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9866.852529][ T7704] netlink_rcv_skb+0x130/0x360 [ 9866.852529][ T7704] netlink_unicast+0x449/0x710 [ 9866.852529][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9866.852529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9866.852529][ T7704] ___sys_sendmsg+0xee/0x170 [ 9866.852529][ T7704] __sys_sendmsg+0xcd/0x170 [ 9866.852529][ T7704] do_syscall_64+0xc6/0x1e0 [ 9866.852529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9866.852529][ T7704] [ 9866.854396][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9866.854396][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9866.854396][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9866.854396][ T7704] ipv6_find_idev+0x102/0x170 [ 9866.854396][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9866.854396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9866.854396][ T7704] netlink_rcv_skb+0x130/0x360 [ 9866.854396][ T7704] netlink_unicast+0x449/0x710 [ 9866.854396][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9866.854396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9866.854396][ T7704] ___sys_sendmsg+0xee/0x170 [ 9866.854396][ T7704] __sys_sendmsg+0xcd/0x170 [ 9866.854396][ T7704] do_syscall_64+0xc6/0x1e0 [ 9866.854396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9866.854396][ T7704] [ 9877.036831][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9877.037258][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9877.037258][ T7704] netdev_get_by_index+0x5e/0x80 [ 9877.037258][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9877.037258][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9877.037258][ T7704] ip6_route_add+0x1c/0x140 [ 9877.037258][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9877.037258][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9877.037258][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9877.037258][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.037258][ T7704] netlink_rcv_skb+0x130/0x360 [ 9877.037258][ T7704] netlink_unicast+0x449/0x710 [ 9877.037258][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9877.037258][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9877.037258][ T7704] ___sys_sendmsg+0xee/0x170 [ 9877.037258][ T7704] __sys_sendmsg+0xcd/0x170 [ 9877.037258][ T7704] do_syscall_64+0xc6/0x1e0 [ 9877.037258][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9877.037258][ T7704] [ 9877.039695][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9877.039695][ T7704] netdev_get_by_index+0x5e/0x80 [ 9877.039695][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9877.039695][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9877.039695][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9877.039695][ T7704] ipv6_add_addr+0x411/0x2000 [ 9877.039695][ T7704] inet6_addr_add+0x30e/0xa40 [ 9877.039695][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9877.039695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.039695][ T7704] netlink_rcv_skb+0x130/0x360 [ 9877.039695][ T7704] netlink_unicast+0x449/0x710 [ 9877.039695][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9877.039695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9877.039695][ T7704] ___sys_sendmsg+0xee/0x170 [ 9877.039695][ T7704] __sys_sendmsg+0xcd/0x170 [ 9877.039695][ T7704] do_syscall_64+0xc6/0x1e0 [ 9877.039695][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9877.039695][ T7704] [ 9877.042123][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9877.042123][ T7704] netdev_get_by_index+0x5e/0x80 [ 9877.042123][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9877.042123][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9877.042123][ T7704] ip6_route_add+0x1c/0x140 [ 9877.042123][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9877.042123][ T7704] addrconf_add_dev+0xe2/0x170 [ 9877.042123][ T7704] inet6_addr_add+0x12f/0xa40 [ 9877.042123][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9877.042123][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.042123][ T7704] netlink_rcv_skb+0x130/0x360 [ 9877.042123][ T7704] netlink_unicast+0x449/0x710 [ 9877.042123][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9877.042123][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9877.042123][ T7704] ___sys_sendmsg+0xee/0x170 [ 9877.042123][ T7704] __sys_sendmsg+0xcd/0x170 [ 9877.042123][ T7704] do_syscall_64+0xc6/0x1e0 [ 9877.042123][ T7704] [ 9877.044507][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9877.044507][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9877.044507][ T7704] ipv6_find_idev+0x102/0x170 [ 9877.044507][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9877.044507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.044507][ T7704] netlink_rcv_skb+0x130/0x360 [ 9877.044507][ T7704] netlink_unicast+0x449/0x710 [ 9877.044507][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9877.044507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9877.044507][ T7704] ___sys_sendmsg+0xee/0x170 [ 9877.044507][ T7704] __sys_sendmsg+0xcd/0x170 [ 9877.044507][ T7704] do_syscall_64+0xc6/0x1e0 [ 9877.044507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9877.044507][ T7704] [ 9877.046396][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9877.046396][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9877.046396][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9877.046396][ T7704] ipv6_find_idev+0x102/0x170 [ 9877.046396][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9877.046396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.046396][ T7704] netlink_rcv_skb+0x130/0x360 [ 9877.046396][ T7704] netlink_unicast+0x449/0x710 [ 9877.046396][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9877.046396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9877.046396][ T7704] ___sys_sendmsg+0xee/0x170 [ 9877.046396][ T7704] __sys_sendmsg+0xcd/0x170 [ 9877.046396][ T7704] do_syscall_64+0xc6/0x1e0 [ 9877.046396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9877.046396][ T7704] [ 9887.172752][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9887.173192][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9887.173192][ T7704] netdev_get_by_index+0x5e/0x80 [ 9887.173192][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9887.173192][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9887.173192][ T7704] ip6_route_add+0x1c/0x140 [ 9887.173192][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9887.173192][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9887.173192][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9887.173192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.173192][ T7704] netlink_rcv_skb+0x130/0x360 [ 9887.173192][ T7704] netlink_unicast+0x449/0x710 [ 9887.173192][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9887.173192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9887.173192][ T7704] ___sys_sendmsg+0xee/0x170 [ 9887.173192][ T7704] __sys_sendmsg+0xcd/0x170 [ 9887.173192][ T7704] do_syscall_64+0xc6/0x1e0 [ 9887.173192][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.173192][ T7704] [ 9887.175646][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9887.175646][ T7704] netdev_get_by_index+0x5e/0x80 [ 9887.175646][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9887.175646][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9887.175646][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9887.175646][ T7704] ipv6_add_addr+0x411/0x2000 [ 9887.175646][ T7704] inet6_addr_add+0x30e/0xa40 [ 9887.175646][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9887.175646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.175646][ T7704] netlink_rcv_skb+0x130/0x360 [ 9887.175646][ T7704] netlink_unicast+0x449/0x710 [ 9887.175646][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9887.175646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9887.175646][ T7704] ___sys_sendmsg+0xee/0x170 [ 9887.175646][ T7704] __sys_sendmsg+0xcd/0x170 [ 9887.175646][ T7704] do_syscall_64+0xc6/0x1e0 [ 9887.175646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.175646][ T7704] [ 9887.178072][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9887.178072][ T7704] netdev_get_by_index+0x5e/0x80 [ 9887.178072][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9887.178072][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9887.178072][ T7704] ip6_route_add+0x1c/0x140 [ 9887.178072][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9887.178072][ T7704] addrconf_add_dev+0xe2/0x170 [ 9887.178072][ T7704] inet6_addr_add+0x12f/0xa40 [ 9887.178072][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9887.178072][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.178072][ T7704] netlink_rcv_skb+0x130/0x360 [ 9887.178072][ T7704] netlink_unicast+0x449/0x710 [ 9887.178072][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9887.178072][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9887.178072][ T7704] ___sys_sendmsg+0xee/0x170 [ 9887.178072][ T7704] __sys_sendmsg+0xcd/0x170 [ 9887.178072][ T7704] do_syscall_64+0xc6/0x1e0 [ 9887.178072][ T7704] [ 9887.180462][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9887.180462][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9887.180462][ T7704] ipv6_find_idev+0x102/0x170 [ 9887.180462][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9887.180462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.180462][ T7704] netlink_rcv_skb+0x130/0x360 [ 9887.180462][ T7704] netlink_unicast+0x449/0x710 [ 9887.180462][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9887.180462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9887.180462][ T7704] ___sys_sendmsg+0xee/0x170 [ 9887.180462][ T7704] __sys_sendmsg+0xcd/0x170 [ 9887.180462][ T7704] do_syscall_64+0xc6/0x1e0 [ 9887.180462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.180462][ T7704] [ 9887.182332][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9887.182332][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9887.182332][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9887.182332][ T7704] ipv6_find_idev+0x102/0x170 [ 9887.182332][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9887.182332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.182332][ T7704] netlink_rcv_skb+0x130/0x360 [ 9887.182332][ T7704] netlink_unicast+0x449/0x710 [ 9887.182332][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9887.182332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9887.182332][ T7704] ___sys_sendmsg+0xee/0x170 [ 9887.182332][ T7704] __sys_sendmsg+0xcd/0x170 [ 9887.182332][ T7704] do_syscall_64+0xc6/0x1e0 [ 9887.182332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.182332][ T7704] [ 9897.372799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9897.373279][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9897.373279][ T7704] netdev_get_by_index+0x5e/0x80 [ 9897.373279][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9897.373279][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9897.373279][ T7704] ip6_route_add+0x1c/0x140 [ 9897.373279][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9897.373279][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9897.373279][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9897.373279][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.373279][ T7704] netlink_rcv_skb+0x130/0x360 [ 9897.373279][ T7704] netlink_unicast+0x449/0x710 [ 9897.373279][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9897.373279][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9897.373279][ T7704] ___sys_sendmsg+0xee/0x170 [ 9897.373279][ T7704] __sys_sendmsg+0xcd/0x170 [ 9897.373279][ T7704] do_syscall_64+0xc6/0x1e0 [ 9897.373279][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.373279][ T7704] [ 9897.375756][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9897.375756][ T7704] netdev_get_by_index+0x5e/0x80 [ 9897.375756][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9897.375756][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9897.375756][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9897.375756][ T7704] ipv6_add_addr+0x411/0x2000 [ 9897.375756][ T7704] inet6_addr_add+0x30e/0xa40 [ 9897.375756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9897.375756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.375756][ T7704] netlink_rcv_skb+0x130/0x360 [ 9897.375756][ T7704] netlink_unicast+0x449/0x710 [ 9897.375756][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9897.375756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9897.375756][ T7704] ___sys_sendmsg+0xee/0x170 [ 9897.375756][ T7704] __sys_sendmsg+0xcd/0x170 [ 9897.375756][ T7704] do_syscall_64+0xc6/0x1e0 [ 9897.375756][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.375756][ T7704] [ 9897.378183][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9897.378183][ T7704] netdev_get_by_index+0x5e/0x80 [ 9897.378183][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9897.378183][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9897.378183][ T7704] ip6_route_add+0x1c/0x140 [ 9897.378183][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9897.378183][ T7704] addrconf_add_dev+0xe2/0x170 [ 9897.378183][ T7704] inet6_addr_add+0x12f/0xa40 [ 9897.378183][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9897.378183][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.378183][ T7704] netlink_rcv_skb+0x130/0x360 [ 9897.378183][ T7704] netlink_unicast+0x449/0x710 [ 9897.378183][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9897.378183][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9897.378183][ T7704] ___sys_sendmsg+0xee/0x170 [ 9897.378183][ T7704] __sys_sendmsg+0xcd/0x170 [ 9897.378183][ T7704] do_syscall_64+0xc6/0x1e0 [ 9897.378183][ T7704] [ 9897.380569][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9897.380569][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9897.380569][ T7704] ipv6_find_idev+0x102/0x170 [ 9897.380569][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9897.380569][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.380569][ T7704] netlink_rcv_skb+0x130/0x360 [ 9897.380569][ T7704] netlink_unicast+0x449/0x710 [ 9897.380569][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9897.380569][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9897.380569][ T7704] ___sys_sendmsg+0xee/0x170 [ 9897.380569][ T7704] __sys_sendmsg+0xcd/0x170 [ 9897.380569][ T7704] do_syscall_64+0xc6/0x1e0 [ 9897.380569][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.380569][ T7704] [ 9897.382441][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9897.382441][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9897.382441][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9897.382441][ T7704] ipv6_find_idev+0x102/0x170 [ 9897.382441][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9897.382441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.382441][ T7704] netlink_rcv_skb+0x130/0x360 [ 9897.382441][ T7704] netlink_unicast+0x449/0x710 [ 9897.382441][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9897.382441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9897.382441][ T7704] ___sys_sendmsg+0xee/0x170 [ 9897.382441][ T7704] __sys_sendmsg+0xcd/0x170 [ 9897.382441][ T7704] do_syscall_64+0xc6/0x1e0 [ 9897.382441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.382441][ T7704] [ 9907.628799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9907.629279][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9907.629279][ T7704] netdev_get_by_index+0x5e/0x80 [ 9907.629279][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9907.629279][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9907.629279][ T7704] ip6_route_add+0x1c/0x140 [ 9907.629279][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9907.629279][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9907.629279][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9907.629279][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.629279][ T7704] netlink_rcv_skb+0x130/0x360 [ 9907.629279][ T7704] netlink_unicast+0x449/0x710 [ 9907.629279][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9907.629279][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9907.629279][ T7704] ___sys_sendmsg+0xee/0x170 [ 9907.629279][ T7704] __sys_sendmsg+0xcd/0x170 [ 9907.629279][ T7704] do_syscall_64+0xc6/0x1e0 [ 9907.629279][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9907.629279][ T7704] [ 9907.631731][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9907.631731][ T7704] netdev_get_by_index+0x5e/0x80 [ 9907.631731][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9907.631731][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9907.631731][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9907.631731][ T7704] ipv6_add_addr+0x411/0x2000 [ 9907.631731][ T7704] inet6_addr_add+0x30e/0xa40 [ 9907.631731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9907.631731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.631731][ T7704] netlink_rcv_skb+0x130/0x360 [ 9907.631731][ T7704] netlink_unicast+0x449/0x710 [ 9907.631731][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9907.631731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9907.631731][ T7704] ___sys_sendmsg+0xee/0x170 [ 9907.631731][ T7704] __sys_sendmsg+0xcd/0x170 [ 9907.631731][ T7704] do_syscall_64+0xc6/0x1e0 [ 9907.631731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9907.631731][ T7704] [ 9907.634157][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9907.634157][ T7704] netdev_get_by_index+0x5e/0x80 [ 9907.634157][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9907.634157][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9907.634157][ T7704] ip6_route_add+0x1c/0x140 [ 9907.634157][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9907.634157][ T7704] addrconf_add_dev+0xe2/0x170 [ 9907.634157][ T7704] inet6_addr_add+0x12f/0xa40 [ 9907.634157][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9907.634157][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.634157][ T7704] netlink_rcv_skb+0x130/0x360 [ 9907.634157][ T7704] netlink_unicast+0x449/0x710 [ 9907.634157][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9907.634157][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9907.634157][ T7704] ___sys_sendmsg+0xee/0x170 [ 9907.634157][ T7704] __sys_sendmsg+0xcd/0x170 [ 9907.634157][ T7704] do_syscall_64+0xc6/0x1e0 [ 9907.634157][ T7704] [ 9907.636564][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9907.636564][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9907.636564][ T7704] ipv6_find_idev+0x102/0x170 [ 9907.636564][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9907.636564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.636564][ T7704] netlink_rcv_skb+0x130/0x360 [ 9907.636564][ T7704] netlink_unicast+0x449/0x710 [ 9907.636564][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9907.636564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9907.636564][ T7704] ___sys_sendmsg+0xee/0x170 [ 9907.636564][ T7704] __sys_sendmsg+0xcd/0x170 [ 9907.636564][ T7704] do_syscall_64+0xc6/0x1e0 [ 9907.636564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9907.636564][ T7704] [ 9907.638432][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9907.638432][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9907.638432][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9907.638432][ T7704] ipv6_find_idev+0x102/0x170 [ 9907.638432][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9907.638432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.638432][ T7704] netlink_rcv_skb+0x130/0x360 [ 9907.638432][ T7704] netlink_unicast+0x449/0x710 [ 9907.638432][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9907.638432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9907.638432][ T7704] ___sys_sendmsg+0xee/0x170 [ 9907.638432][ T7704] __sys_sendmsg+0xcd/0x170 [ 9907.638432][ T7704] do_syscall_64+0xc6/0x1e0 [ 9907.638432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9907.638432][ T7704] [ 9917.884721][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9917.885170][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9917.885170][ T7704] netdev_get_by_index+0x5e/0x80 [ 9917.885170][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9917.885170][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9917.885170][ T7704] ip6_route_add+0x1c/0x140 [ 9917.885170][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9917.885170][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9917.885170][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9917.885170][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9917.885170][ T7704] netlink_rcv_skb+0x130/0x360 [ 9917.885170][ T7704] netlink_unicast+0x449/0x710 [ 9917.885170][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9917.885170][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9917.885170][ T7704] ___sys_sendmsg+0xee/0x170 [ 9917.885170][ T7704] __sys_sendmsg+0xcd/0x170 [ 9917.885170][ T7704] do_syscall_64+0xc6/0x1e0 [ 9917.885170][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9917.885170][ T7704] [ 9917.887607][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9917.887607][ T7704] netdev_get_by_index+0x5e/0x80 [ 9917.887607][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9917.887607][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9917.887607][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9917.887607][ T7704] ipv6_add_addr+0x411/0x2000 [ 9917.887607][ T7704] inet6_addr_add+0x30e/0xa40 [ 9917.887607][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9917.887607][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9917.887607][ T7704] netlink_rcv_skb+0x130/0x360 [ 9917.887607][ T7704] netlink_unicast+0x449/0x710 [ 9917.887607][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9917.887607][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9917.887607][ T7704] ___sys_sendmsg+0xee/0x170 [ 9917.887607][ T7704] __sys_sendmsg+0xcd/0x170 [ 9917.887607][ T7704] do_syscall_64+0xc6/0x1e0 [ 9917.887607][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9917.887607][ T7704] [ 9917.890038][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9917.890038][ T7704] netdev_get_by_index+0x5e/0x80 [ 9917.890038][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9917.890038][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9917.890038][ T7704] ip6_route_add+0x1c/0x140 [ 9917.890038][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9917.890038][ T7704] addrconf_add_dev+0xe2/0x170 [ 9917.890038][ T7704] inet6_addr_add+0x12f/0xa40 [ 9917.890038][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9917.890038][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9917.890038][ T7704] netlink_rcv_skb+0x130/0x360 [ 9917.890038][ T7704] netlink_unicast+0x449/0x710 [ 9917.890038][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9917.890038][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9917.890038][ T7704] ___sys_sendmsg+0xee/0x170 [ 9917.890038][ T7704] __sys_sendmsg+0xcd/0x170 [ 9917.890038][ T7704] do_syscall_64+0xc6/0x1e0 [ 9917.890038][ T7704] [ 9917.892436][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9917.892436][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9917.892436][ T7704] ipv6_find_idev+0x102/0x170 [ 9917.892436][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9917.892436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9917.892436][ T7704] netlink_rcv_skb+0x130/0x360 [ 9917.892436][ T7704] netlink_unicast+0x449/0x710 [ 9917.892436][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9917.892436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9917.892436][ T7704] ___sys_sendmsg+0xee/0x170 [ 9917.892436][ T7704] __sys_sendmsg+0xcd/0x170 [ 9917.892436][ T7704] do_syscall_64+0xc6/0x1e0 [ 9917.892436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9917.892436][ T7704] [ 9917.894303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9917.894303][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9917.894303][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9917.894303][ T7704] ipv6_find_idev+0x102/0x170 [ 9917.894303][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9917.894303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9917.894303][ T7704] netlink_rcv_skb+0x130/0x360 [ 9917.894303][ T7704] netlink_unicast+0x449/0x710 [ 9917.894303][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9917.894303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9917.894303][ T7704] ___sys_sendmsg+0xee/0x170 [ 9917.894303][ T7704] __sys_sendmsg+0xcd/0x170 [ 9917.894303][ T7704] do_syscall_64+0xc6/0x1e0 [ 9917.894303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9917.894303][ T7704] [ 9928.148720][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9928.149202][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9928.149202][ T7704] netdev_get_by_index+0x5e/0x80 [ 9928.149202][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9928.149202][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9928.149202][ T7704] ip6_route_add+0x1c/0x140 [ 9928.149202][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9928.149202][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9928.149202][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9928.149202][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.149202][ T7704] netlink_rcv_skb+0x130/0x360 [ 9928.149202][ T7704] netlink_unicast+0x449/0x710 [ 9928.149202][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9928.149202][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9928.149202][ T7704] ___sys_sendmsg+0xee/0x170 [ 9928.149202][ T7704] __sys_sendmsg+0xcd/0x170 [ 9928.149202][ T7704] do_syscall_64+0xc6/0x1e0 [ 9928.149202][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.149202][ T7704] [ 9928.151656][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9928.151656][ T7704] netdev_get_by_index+0x5e/0x80 [ 9928.151656][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9928.151656][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9928.151656][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9928.151656][ T7704] ipv6_add_addr+0x411/0x2000 [ 9928.151656][ T7704] inet6_addr_add+0x30e/0xa40 [ 9928.151656][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9928.151656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.151656][ T7704] netlink_rcv_skb+0x130/0x360 [ 9928.151656][ T7704] netlink_unicast+0x449/0x710 [ 9928.151656][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9928.151656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9928.151656][ T7704] ___sys_sendmsg+0xee/0x170 [ 9928.151656][ T7704] __sys_sendmsg+0xcd/0x170 [ 9928.151656][ T7704] do_syscall_64+0xc6/0x1e0 [ 9928.151656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.151656][ T7704] [ 9928.154095][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9928.154095][ T7704] netdev_get_by_index+0x5e/0x80 [ 9928.154095][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9928.154095][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9928.154095][ T7704] ip6_route_add+0x1c/0x140 [ 9928.154095][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9928.154095][ T7704] addrconf_add_dev+0xe2/0x170 [ 9928.154095][ T7704] inet6_addr_add+0x12f/0xa40 [ 9928.154095][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9928.154095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.154095][ T7704] netlink_rcv_skb+0x130/0x360 [ 9928.154095][ T7704] netlink_unicast+0x449/0x710 [ 9928.154095][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9928.154095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9928.154095][ T7704] ___sys_sendmsg+0xee/0x170 [ 9928.154095][ T7704] __sys_sendmsg+0xcd/0x170 [ 9928.154095][ T7704] do_syscall_64+0xc6/0x1e0 [ 9928.154095][ T7704] [ 9928.156512][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9928.156512][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9928.156512][ T7704] ipv6_find_idev+0x102/0x170 [ 9928.156512][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9928.156512][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.156512][ T7704] netlink_rcv_skb+0x130/0x360 [ 9928.156512][ T7704] netlink_unicast+0x449/0x710 [ 9928.156512][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9928.156512][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9928.156512][ T7704] ___sys_sendmsg+0xee/0x170 [ 9928.156512][ T7704] __sys_sendmsg+0xcd/0x170 [ 9928.156512][ T7704] do_syscall_64+0xc6/0x1e0 [ 9928.156512][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.156512][ T7704] [ 9928.158381][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9928.158381][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9928.158381][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9928.158381][ T7704] ipv6_find_idev+0x102/0x170 [ 9928.158381][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9928.158381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.158381][ T7704] netlink_rcv_skb+0x130/0x360 [ 9928.158381][ T7704] netlink_unicast+0x449/0x710 [ 9928.158381][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9928.158381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9928.158381][ T7704] ___sys_sendmsg+0xee/0x170 [ 9928.158381][ T7704] __sys_sendmsg+0xcd/0x170 [ 9928.158381][ T7704] do_syscall_64+0xc6/0x1e0 [ 9928.158381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.158381][ T7704] [ 9938.412737][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9938.413179][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9938.413179][ T7704] netdev_get_by_index+0x5e/0x80 [ 9938.413179][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9938.413179][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9938.413179][ T7704] ip6_route_add+0x1c/0x140 [ 9938.413179][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9938.413179][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9938.413179][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9938.413179][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.413179][ T7704] netlink_rcv_skb+0x130/0x360 [ 9938.413179][ T7704] netlink_unicast+0x449/0x710 [ 9938.413179][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9938.413179][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9938.413179][ T7704] ___sys_sendmsg+0xee/0x170 [ 9938.413179][ T7704] __sys_sendmsg+0xcd/0x170 [ 9938.413179][ T7704] do_syscall_64+0xc6/0x1e0 [ 9938.413179][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.413179][ T7704] [ 9938.415647][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9938.415647][ T7704] netdev_get_by_index+0x5e/0x80 [ 9938.415647][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9938.415647][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9938.415647][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9938.415647][ T7704] ipv6_add_addr+0x411/0x2000 [ 9938.415647][ T7704] inet6_addr_add+0x30e/0xa40 [ 9938.415647][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9938.415647][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.415647][ T7704] netlink_rcv_skb+0x130/0x360 [ 9938.415647][ T7704] netlink_unicast+0x449/0x710 [ 9938.415647][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9938.415647][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9938.415647][ T7704] ___sys_sendmsg+0xee/0x170 [ 9938.415647][ T7704] __sys_sendmsg+0xcd/0x170 [ 9938.415647][ T7704] do_syscall_64+0xc6/0x1e0 [ 9938.415647][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.415647][ T7704] [ 9938.418079][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9938.418079][ T7704] netdev_get_by_index+0x5e/0x80 [ 9938.418079][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9938.418079][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9938.418079][ T7704] ip6_route_add+0x1c/0x140 [ 9938.418079][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9938.418079][ T7704] addrconf_add_dev+0xe2/0x170 [ 9938.418079][ T7704] inet6_addr_add+0x12f/0xa40 [ 9938.418079][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9938.418079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.418079][ T7704] netlink_rcv_skb+0x130/0x360 [ 9938.418079][ T7704] netlink_unicast+0x449/0x710 [ 9938.418079][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9938.418079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9938.418079][ T7704] ___sys_sendmsg+0xee/0x170 [ 9938.418079][ T7704] __sys_sendmsg+0xcd/0x170 [ 9938.418079][ T7704] do_syscall_64+0xc6/0x1e0 [ 9938.418079][ T7704] [ 9938.421033][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9938.421033][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9938.421033][ T7704] ipv6_find_idev+0x102/0x170 [ 9938.421033][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9938.421033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.421033][ T7704] netlink_rcv_skb+0x130/0x360 [ 9938.421033][ T7704] netlink_unicast+0x449/0x710 [ 9938.421033][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9938.421033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9938.421033][ T7704] ___sys_sendmsg+0xee/0x170 [ 9938.421033][ T7704] __sys_sendmsg+0xcd/0x170 [ 9938.421033][ T7704] do_syscall_64+0xc6/0x1e0 [ 9938.421033][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.421033][ T7704] [ 9938.422909][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9938.422909][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9938.422909][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9938.422909][ T7704] ipv6_find_idev+0x102/0x170 [ 9938.422909][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9938.422909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.422909][ T7704] netlink_rcv_skb+0x130/0x360 [ 9938.422909][ T7704] netlink_unicast+0x449/0x710 [ 9938.422909][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9938.422909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9938.422909][ T7704] ___sys_sendmsg+0xee/0x170 [ 9938.422909][ T7704] __sys_sendmsg+0xcd/0x170 [ 9938.422909][ T7704] do_syscall_64+0xc6/0x1e0 [ 9938.422909][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.422909][ T7704] [ 9948.676867][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9948.677295][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9948.677295][ T7704] netdev_get_by_index+0x5e/0x80 [ 9948.677295][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9948.677295][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9948.677295][ T7704] ip6_route_add+0x1c/0x140 [ 9948.677295][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9948.677295][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9948.677295][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9948.677295][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.677295][ T7704] netlink_rcv_skb+0x130/0x360 [ 9948.677295][ T7704] netlink_unicast+0x449/0x710 [ 9948.677295][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9948.677295][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9948.677295][ T7704] ___sys_sendmsg+0xee/0x170 [ 9948.677295][ T7704] __sys_sendmsg+0xcd/0x170 [ 9948.677295][ T7704] do_syscall_64+0xc6/0x1e0 [ 9948.677295][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9948.677295][ T7704] [ 9948.679741][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9948.679741][ T7704] netdev_get_by_index+0x5e/0x80 [ 9948.679741][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9948.679741][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9948.679741][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9948.679741][ T7704] ipv6_add_addr+0x411/0x2000 [ 9948.679741][ T7704] inet6_addr_add+0x30e/0xa40 [ 9948.679741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9948.679741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.679741][ T7704] netlink_rcv_skb+0x130/0x360 [ 9948.679741][ T7704] netlink_unicast+0x449/0x710 [ 9948.679741][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9948.679741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9948.679741][ T7704] ___sys_sendmsg+0xee/0x170 [ 9948.679741][ T7704] __sys_sendmsg+0xcd/0x170 [ 9948.679741][ T7704] do_syscall_64+0xc6/0x1e0 [ 9948.679741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9948.679741][ T7704] [ 9948.682180][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9948.682180][ T7704] netdev_get_by_index+0x5e/0x80 [ 9948.682180][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9948.682180][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9948.682180][ T7704] ip6_route_add+0x1c/0x140 [ 9948.682180][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9948.682180][ T7704] addrconf_add_dev+0xe2/0x170 [ 9948.682180][ T7704] inet6_addr_add+0x12f/0xa40 [ 9948.682180][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9948.682180][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.682180][ T7704] netlink_rcv_skb+0x130/0x360 [ 9948.682180][ T7704] netlink_unicast+0x449/0x710 [ 9948.682180][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9948.682180][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9948.682180][ T7704] ___sys_sendmsg+0xee/0x170 [ 9948.682180][ T7704] __sys_sendmsg+0xcd/0x170 [ 9948.682180][ T7704] do_syscall_64+0xc6/0x1e0 [ 9948.682180][ T7704] [ 9948.684562][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9948.684562][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9948.684562][ T7704] ipv6_find_idev+0x102/0x170 [ 9948.684562][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9948.684562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.684562][ T7704] netlink_rcv_skb+0x130/0x360 [ 9948.684562][ T7704] netlink_unicast+0x449/0x710 [ 9948.684562][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9948.684562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9948.684562][ T7704] ___sys_sendmsg+0xee/0x170 [ 9948.684562][ T7704] __sys_sendmsg+0xcd/0x170 [ 9948.684562][ T7704] do_syscall_64+0xc6/0x1e0 [ 9948.684562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9948.684562][ T7704] [ 9948.686432][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9948.686432][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9948.686432][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9948.686432][ T7704] ipv6_find_idev+0x102/0x170 [ 9948.686432][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9948.686432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.686432][ T7704] netlink_rcv_skb+0x130/0x360 [ 9948.686432][ T7704] netlink_unicast+0x449/0x710 [ 9948.686432][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9948.686432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9948.686432][ T7704] ___sys_sendmsg+0xee/0x170 [ 9948.686432][ T7704] __sys_sendmsg+0xcd/0x170 [ 9948.686432][ T7704] do_syscall_64+0xc6/0x1e0 [ 9948.686432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9948.686432][ T7704] [ 9958.708750][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9958.709265][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9958.709265][ T7704] netdev_get_by_index+0x5e/0x80 [ 9958.709265][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9958.709265][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9958.709265][ T7704] ip6_route_add+0x1c/0x140 [ 9958.709265][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9958.709265][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9958.709265][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9958.709265][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9958.709265][ T7704] netlink_rcv_skb+0x130/0x360 [ 9958.709265][ T7704] netlink_unicast+0x449/0x710 [ 9958.709265][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9958.709265][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9958.709265][ T7704] ___sys_sendmsg+0xee/0x170 [ 9958.709265][ T7704] __sys_sendmsg+0xcd/0x170 [ 9958.709265][ T7704] do_syscall_64+0xc6/0x1e0 [ 9958.709265][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9958.709265][ T7704] [ 9958.711527][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9958.711527][ T7704] netdev_get_by_index+0x5e/0x80 [ 9958.711527][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9958.711527][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9958.711527][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9958.711527][ T7704] ipv6_add_addr+0x411/0x2000 [ 9958.711527][ T7704] inet6_addr_add+0x30e/0xa40 [ 9958.711527][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9958.711527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9958.711527][ T7704] netlink_rcv_skb+0x130/0x360 [ 9958.711527][ T7704] netlink_unicast+0x449/0x710 [ 9958.711527][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9958.711527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9958.711527][ T7704] ___sys_sendmsg+0xee/0x170 [ 9958.711527][ T7704] __sys_sendmsg+0xcd/0x170 [ 9958.711527][ T7704] do_syscall_64+0xc6/0x1e0 [ 9958.711527][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9958.711527][ T7704] [ 9958.713760][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9958.713760][ T7704] netdev_get_by_index+0x5e/0x80 [ 9958.713760][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9958.713760][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9958.713760][ T7704] ip6_route_add+0x1c/0x140 [ 9958.713760][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9958.713760][ T7704] addrconf_add_dev+0xe2/0x170 [ 9958.713760][ T7704] inet6_addr_add+0x12f/0xa40 [ 9958.713760][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9958.713760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9958.713760][ T7704] netlink_rcv_skb+0x130/0x360 [ 9958.713760][ T7704] netlink_unicast+0x449/0x710 [ 9958.713760][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9958.713760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9958.713760][ T7704] ___sys_sendmsg+0xee/0x170 [ 9958.713760][ T7704] __sys_sendmsg+0xcd/0x170 [ 9958.713760][ T7704] do_syscall_64+0xc6/0x1e0 [ 9958.713760][ T7704] [ 9958.715968][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9958.715968][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9958.715968][ T7704] ipv6_find_idev+0x102/0x170 [ 9958.715968][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9958.715968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9958.715968][ T7704] netlink_rcv_skb+0x130/0x360 [ 9958.715968][ T7704] netlink_unicast+0x449/0x710 [ 9958.715968][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9958.715968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9958.715968][ T7704] ___sys_sendmsg+0xee/0x170 [ 9958.715968][ T7704] __sys_sendmsg+0xcd/0x170 [ 9958.715968][ T7704] do_syscall_64+0xc6/0x1e0 [ 9958.715968][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9958.715968][ T7704] [ 9958.717683][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9958.717683][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9958.717683][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9958.717683][ T7704] ipv6_find_idev+0x102/0x170 [ 9958.717683][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9958.717683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9958.717683][ T7704] netlink_rcv_skb+0x130/0x360 [ 9958.717683][ T7704] netlink_unicast+0x449/0x710 [ 9958.717683][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9958.717683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9958.717683][ T7704] ___sys_sendmsg+0xee/0x170 [ 9958.717683][ T7704] __sys_sendmsg+0xcd/0x170 [ 9958.717683][ T7704] do_syscall_64+0xc6/0x1e0 [ 9958.717683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9958.717683][ T7704] [ 9968.956797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9968.957283][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9968.957283][ T7704] netdev_get_by_index+0x5e/0x80 [ 9968.957283][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9968.957283][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9968.957283][ T7704] ip6_route_add+0x1c/0x140 [ 9968.957283][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9968.957283][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9968.957283][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9968.957283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9968.957283][ T7704] netlink_rcv_skb+0x130/0x360 [ 9968.957283][ T7704] netlink_unicast+0x449/0x710 [ 9968.957283][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9968.957283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9968.957283][ T7704] ___sys_sendmsg+0xee/0x170 [ 9968.957283][ T7704] __sys_sendmsg+0xcd/0x170 [ 9968.957283][ T7704] do_syscall_64+0xc6/0x1e0 [ 9968.957283][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9968.957283][ T7704] [ 9968.959537][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9968.959537][ T7704] netdev_get_by_index+0x5e/0x80 [ 9968.959537][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9968.959537][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9968.959537][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9968.959537][ T7704] ipv6_add_addr+0x411/0x2000 [ 9968.959537][ T7704] inet6_addr_add+0x30e/0xa40 [ 9968.959537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9968.959537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9968.959537][ T7704] netlink_rcv_skb+0x130/0x360 [ 9968.959537][ T7704] netlink_unicast+0x449/0x710 [ 9968.959537][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9968.959537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9968.959537][ T7704] ___sys_sendmsg+0xee/0x170 [ 9968.959537][ T7704] __sys_sendmsg+0xcd/0x170 [ 9968.959537][ T7704] do_syscall_64+0xc6/0x1e0 [ 9968.959537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9968.959537][ T7704] [ 9968.961778][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9968.961778][ T7704] netdev_get_by_index+0x5e/0x80 [ 9968.961778][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9968.961778][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9968.961778][ T7704] ip6_route_add+0x1c/0x140 [ 9968.961778][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9968.961778][ T7704] addrconf_add_dev+0xe2/0x170 [ 9968.961778][ T7704] inet6_addr_add+0x12f/0xa40 [ 9968.961778][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9968.961778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9968.961778][ T7704] netlink_rcv_skb+0x130/0x360 [ 9968.961778][ T7704] netlink_unicast+0x449/0x710 [ 9968.961778][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9968.961778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9968.961778][ T7704] ___sys_sendmsg+0xee/0x170 [ 9968.961778][ T7704] __sys_sendmsg+0xcd/0x170 [ 9968.961778][ T7704] do_syscall_64+0xc6/0x1e0 [ 9968.961778][ T7704] [ 9968.963977][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9968.963977][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9968.963977][ T7704] ipv6_find_idev+0x102/0x170 [ 9968.963977][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9968.963977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9968.963977][ T7704] netlink_rcv_skb+0x130/0x360 [ 9968.963977][ T7704] netlink_unicast+0x449/0x710 [ 9968.963977][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9968.963977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9968.963977][ T7704] ___sys_sendmsg+0xee/0x170 [ 9968.963977][ T7704] __sys_sendmsg+0xcd/0x170 [ 9968.963977][ T7704] do_syscall_64+0xc6/0x1e0 [ 9968.963977][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9968.963977][ T7704] [ 9968.965709][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9968.965709][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9968.965709][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9968.965709][ T7704] ipv6_find_idev+0x102/0x170 [ 9968.965709][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9968.965709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9968.965709][ T7704] netlink_rcv_skb+0x130/0x360 [ 9968.965709][ T7704] netlink_unicast+0x449/0x710 [ 9968.965709][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9968.965709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9968.965709][ T7704] ___sys_sendmsg+0xee/0x170 [ 9968.965709][ T7704] __sys_sendmsg+0xcd/0x170 [ 9968.965709][ T7704] do_syscall_64+0xc6/0x1e0 [ 9968.965709][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9968.965709][ T7704] [ 9979.204790][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9979.205271][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9979.205271][ T7704] netdev_get_by_index+0x5e/0x80 [ 9979.205271][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9979.205271][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9979.205271][ T7704] ip6_route_add+0x1c/0x140 [ 9979.205271][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9979.205271][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9979.205271][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9979.205271][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9979.205271][ T7704] netlink_rcv_skb+0x130/0x360 [ 9979.205271][ T7704] netlink_unicast+0x449/0x710 [ 9979.205271][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9979.205271][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9979.205271][ T7704] ___sys_sendmsg+0xee/0x170 [ 9979.205271][ T7704] __sys_sendmsg+0xcd/0x170 [ 9979.205271][ T7704] do_syscall_64+0xc6/0x1e0 [ 9979.205271][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9979.205271][ T7704] [ 9979.207530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9979.207530][ T7704] netdev_get_by_index+0x5e/0x80 [ 9979.207530][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9979.207530][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9979.207530][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9979.207530][ T7704] ipv6_add_addr+0x411/0x2000 [ 9979.207530][ T7704] inet6_addr_add+0x30e/0xa40 [ 9979.207530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9979.207530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9979.207530][ T7704] netlink_rcv_skb+0x130/0x360 [ 9979.207530][ T7704] netlink_unicast+0x449/0x710 [ 9979.207530][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9979.207530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9979.207530][ T7704] ___sys_sendmsg+0xee/0x170 [ 9979.207530][ T7704] __sys_sendmsg+0xcd/0x170 [ 9979.207530][ T7704] do_syscall_64+0xc6/0x1e0 [ 9979.207530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9979.207530][ T7704] [ 9979.209768][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9979.209768][ T7704] netdev_get_by_index+0x5e/0x80 [ 9979.209768][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9979.209768][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9979.209768][ T7704] ip6_route_add+0x1c/0x140 [ 9979.209768][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9979.209768][ T7704] addrconf_add_dev+0xe2/0x170 [ 9979.209768][ T7704] inet6_addr_add+0x12f/0xa40 [ 9979.209768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9979.209768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9979.209768][ T7704] netlink_rcv_skb+0x130/0x360 [ 9979.209768][ T7704] netlink_unicast+0x449/0x710 [ 9979.209768][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9979.209768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9979.209768][ T7704] ___sys_sendmsg+0xee/0x170 [ 9979.209768][ T7704] __sys_sendmsg+0xcd/0x170 [ 9979.209768][ T7704] do_syscall_64+0xc6/0x1e0 [ 9979.209768][ T7704] [ 9979.211965][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9979.211965][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9979.211965][ T7704] ipv6_find_idev+0x102/0x170 [ 9979.211965][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9979.211965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9979.211965][ T7704] netlink_rcv_skb+0x130/0x360 [ 9979.211965][ T7704] netlink_unicast+0x449/0x710 [ 9979.211965][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9979.211965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9979.211965][ T7704] ___sys_sendmsg+0xee/0x170 [ 9979.211965][ T7704] __sys_sendmsg+0xcd/0x170 [ 9979.211965][ T7704] do_syscall_64+0xc6/0x1e0 [ 9979.211965][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9979.211965][ T7704] [ 9979.213690][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9979.213690][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9979.213690][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9979.213690][ T7704] ipv6_find_idev+0x102/0x170 [ 9979.213690][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9979.213690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9979.213690][ T7704] netlink_rcv_skb+0x130/0x360 [ 9979.213690][ T7704] netlink_unicast+0x449/0x710 [ 9979.213690][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9979.213690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9979.213690][ T7704] ___sys_sendmsg+0xee/0x170 [ 9979.213690][ T7704] __sys_sendmsg+0xcd/0x170 [ 9979.213690][ T7704] do_syscall_64+0xc6/0x1e0 [ 9979.213690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9979.213690][ T7704] [ 9989.436799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9989.437284][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9989.437284][ T7704] netdev_get_by_index+0x5e/0x80 [ 9989.437284][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9989.437284][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9989.437284][ T7704] ip6_route_add+0x1c/0x140 [ 9989.437284][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9989.437284][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9989.437284][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9989.437284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9989.437284][ T7704] netlink_rcv_skb+0x130/0x360 [ 9989.437284][ T7704] netlink_unicast+0x449/0x710 [ 9989.437284][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9989.437284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9989.437284][ T7704] ___sys_sendmsg+0xee/0x170 [ 9989.437284][ T7704] __sys_sendmsg+0xcd/0x170 [ 9989.437284][ T7704] do_syscall_64+0xc6/0x1e0 [ 9989.437284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9989.437284][ T7704] [ 9989.439540][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9989.439540][ T7704] netdev_get_by_index+0x5e/0x80 [ 9989.439540][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9989.439540][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9989.439540][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9989.439540][ T7704] ipv6_add_addr+0x411/0x2000 [ 9989.439540][ T7704] inet6_addr_add+0x30e/0xa40 [ 9989.439540][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9989.439540][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9989.439540][ T7704] netlink_rcv_skb+0x130/0x360 [ 9989.439540][ T7704] netlink_unicast+0x449/0x710 [ 9989.439540][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9989.439540][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9989.439540][ T7704] ___sys_sendmsg+0xee/0x170 [ 9989.439540][ T7704] __sys_sendmsg+0xcd/0x170 [ 9989.439540][ T7704] do_syscall_64+0xc6/0x1e0 [ 9989.439540][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9989.439540][ T7704] [ 9989.441804][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9989.441804][ T7704] netdev_get_by_index+0x5e/0x80 [ 9989.441804][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9989.441804][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9989.441804][ T7704] ip6_route_add+0x1c/0x140 [ 9989.441804][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9989.441804][ T7704] addrconf_add_dev+0xe2/0x170 [ 9989.441804][ T7704] inet6_addr_add+0x12f/0xa40 [ 9989.441804][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9989.441804][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9989.441804][ T7704] netlink_rcv_skb+0x130/0x360 [ 9989.441804][ T7704] netlink_unicast+0x449/0x710 [ 9989.441804][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9989.441804][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9989.441804][ T7704] ___sys_sendmsg+0xee/0x170 [ 9989.441804][ T7704] __sys_sendmsg+0xcd/0x170 [ 9989.441804][ T7704] do_syscall_64+0xc6/0x1e0 [ 9989.441804][ T7704] [ 9989.444014][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9989.444014][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9989.444014][ T7704] ipv6_find_idev+0x102/0x170 [ 9989.444014][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9989.444014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9989.444014][ T7704] netlink_rcv_skb+0x130/0x360 [ 9989.444014][ T7704] netlink_unicast+0x449/0x710 [ 9989.444014][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9989.444014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9989.444014][ T7704] ___sys_sendmsg+0xee/0x170 [ 9989.444014][ T7704] __sys_sendmsg+0xcd/0x170 [ 9989.444014][ T7704] do_syscall_64+0xc6/0x1e0 [ 9989.444014][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9989.444014][ T7704] [ 9989.445732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9989.445732][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9989.445732][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9989.445732][ T7704] ipv6_find_idev+0x102/0x170 [ 9989.445732][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9989.445732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9989.445732][ T7704] netlink_rcv_skb+0x130/0x360 [ 9989.445732][ T7704] netlink_unicast+0x449/0x710 [ 9989.445732][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9989.445732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9989.445732][ T7704] ___sys_sendmsg+0xee/0x170 [ 9989.445732][ T7704] __sys_sendmsg+0xcd/0x170 [ 9989.445732][ T7704] do_syscall_64+0xc6/0x1e0 [ 9989.445732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9989.445732][ T7704] [ 9999.684845][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [ 9999.685362][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9999.685362][ T7704] netdev_get_by_index+0x5e/0x80 [ 9999.685362][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9999.685362][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9999.685362][ T7704] ip6_route_add+0x1c/0x140 [ 9999.685362][ T7704] addrconf_prefix_route+0x2a6/0x430 [ 9999.685362][ T7704] inet6_addr_add+0x4f8/0xa40 [ 9999.685362][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9999.685362][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9999.685362][ T7704] netlink_rcv_skb+0x130/0x360 [ 9999.685362][ T7704] netlink_unicast+0x449/0x710 [ 9999.685362][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9999.685362][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9999.685362][ T7704] ___sys_sendmsg+0xee/0x170 [ 9999.685362][ T7704] __sys_sendmsg+0xcd/0x170 [ 9999.685362][ T7704] do_syscall_64+0xc6/0x1e0 [ 9999.685362][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9999.685362][ T7704] [ 9999.687619][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9999.687619][ T7704] netdev_get_by_index+0x5e/0x80 [ 9999.687619][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9999.687619][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9999.687619][ T7704] addrconf_f6i_alloc+0x315/0x560 [ 9999.687619][ T7704] ipv6_add_addr+0x411/0x2000 [ 9999.687619][ T7704] inet6_addr_add+0x30e/0xa40 [ 9999.687619][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9999.687619][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9999.687619][ T7704] netlink_rcv_skb+0x130/0x360 [ 9999.687619][ T7704] netlink_unicast+0x449/0x710 [ 9999.687619][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9999.687619][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9999.687619][ T7704] ___sys_sendmsg+0xee/0x170 [ 9999.687619][ T7704] __sys_sendmsg+0xcd/0x170 [ 9999.687619][ T7704] do_syscall_64+0xc6/0x1e0 [ 9999.687619][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9999.687619][ T7704] [ 9999.689859][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9999.689859][ T7704] netdev_get_by_index+0x5e/0x80 [ 9999.689859][ T7704] fib6_nh_init+0x3d8/0x15b0 [ 9999.689859][ T7704] ip6_route_info_create+0xf18/0x17d0 [ 9999.689859][ T7704] ip6_route_add+0x1c/0x140 [ 9999.689859][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [ 9999.689859][ T7704] addrconf_add_dev+0xe2/0x170 [ 9999.689859][ T7704] inet6_addr_add+0x12f/0xa40 [ 9999.689859][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [ 9999.689859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9999.689859][ T7704] netlink_rcv_skb+0x130/0x360 [ 9999.689859][ T7704] netlink_unicast+0x449/0x710 [ 9999.689859][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9999.689859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9999.689859][ T7704] ___sys_sendmsg+0xee/0x170 [ 9999.689859][ T7704] __sys_sendmsg+0xcd/0x170 [ 9999.689859][ T7704] do_syscall_64+0xc6/0x1e0 [ 9999.689859][ T7704] [ 9999.692060][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9999.692060][ T7704] ipv6_add_dev+0x3b9/0x11c0 [ 9999.692060][ T7704] ipv6_find_idev+0x102/0x170 [ 9999.692060][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9999.692060][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9999.692060][ T7704] netlink_rcv_skb+0x130/0x360 [ 9999.692060][ T7704] netlink_unicast+0x449/0x710 [ 9999.692060][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9999.692060][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9999.692060][ T7704] ___sys_sendmsg+0xee/0x170 [ 9999.692060][ T7704] __sys_sendmsg+0xcd/0x170 [ 9999.692060][ T7704] do_syscall_64+0xc6/0x1e0 [ 9999.692060][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9999.692060][ T7704] [ 9999.693781][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [ 9999.693781][ T7704] neigh_parms_alloc+0x1e5/0x510 [ 9999.693781][ T7704] ipv6_add_dev+0x2fd/0x11c0 [ 9999.693781][ T7704] ipv6_find_idev+0x102/0x170 [ 9999.693781][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [ 9999.693781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9999.693781][ T7704] netlink_rcv_skb+0x130/0x360 [ 9999.693781][ T7704] netlink_unicast+0x449/0x710 [ 9999.693781][ T7704] netlink_sendmsg+0x723/0xbe0 [ 9999.693781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [ 9999.693781][ T7704] ___sys_sendmsg+0xee/0x170 [ 9999.693781][ T7704] __sys_sendmsg+0xcd/0x170 [ 9999.693781][ T7704] do_syscall_64+0xc6/0x1e0 [ 9999.693781][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9999.693781][ T7704] [10009.932829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10009.933321][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10009.933321][ T7704] netdev_get_by_index+0x5e/0x80 [10009.933321][ T7704] fib6_nh_init+0x3d8/0x15b0 [10009.933321][ T7704] ip6_route_info_create+0xf18/0x17d0 [10009.933321][ T7704] ip6_route_add+0x1c/0x140 [10009.933321][ T7704] addrconf_prefix_route+0x2a6/0x430 [10009.933321][ T7704] inet6_addr_add+0x4f8/0xa40 [10009.933321][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10009.933321][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10009.933321][ T7704] netlink_rcv_skb+0x130/0x360 [10009.933321][ T7704] netlink_unicast+0x449/0x710 [10009.933321][ T7704] netlink_sendmsg+0x723/0xbe0 [10009.933321][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10009.933321][ T7704] ___sys_sendmsg+0xee/0x170 [10009.933321][ T7704] __sys_sendmsg+0xcd/0x170 [10009.933321][ T7704] do_syscall_64+0xc6/0x1e0 [10009.933321][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10009.933321][ T7704] [10009.936031][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10009.936031][ T7704] netdev_get_by_index+0x5e/0x80 [10009.936031][ T7704] fib6_nh_init+0x3d8/0x15b0 [10009.936031][ T7704] ip6_route_info_create+0xf18/0x17d0 [10009.936031][ T7704] addrconf_f6i_alloc+0x315/0x560 [10009.936031][ T7704] ipv6_add_addr+0x411/0x2000 [10009.936031][ T7704] inet6_addr_add+0x30e/0xa40 [10009.936031][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10009.936031][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10009.936031][ T7704] netlink_rcv_skb+0x130/0x360 [10009.936031][ T7704] netlink_unicast+0x449/0x710 [10009.936031][ T7704] netlink_sendmsg+0x723/0xbe0 [10009.936031][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10009.936031][ T7704] ___sys_sendmsg+0xee/0x170 [10009.936031][ T7704] __sys_sendmsg+0xcd/0x170 [10009.936031][ T7704] do_syscall_64+0xc6/0x1e0 [10009.936031][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10009.936031][ T7704] [10009.938695][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10009.938695][ T7704] netdev_get_by_index+0x5e/0x80 [10009.938695][ T7704] fib6_nh_init+0x3d8/0x15b0 [10009.938695][ T7704] ip6_route_info_create+0xf18/0x17d0 [10009.938695][ T7704] ip6_route_add+0x1c/0x140 [10009.938695][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10009.938695][ T7704] addrconf_add_dev+0xe2/0x170 [10009.938695][ T7704] inet6_addr_add+0x12f/0xa40 [10009.938695][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10009.938695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10009.938695][ T7704] netlink_rcv_skb+0x130/0x360 [10009.938695][ T7704] netlink_unicast+0x449/0x710 [10009.938695][ T7704] netlink_sendmsg+0x723/0xbe0 [10009.938695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10009.938695][ T7704] ___sys_sendmsg+0xee/0x170 [10009.938695][ T7704] __sys_sendmsg+0xcd/0x170 [10009.938695][ T7704] do_syscall_64+0xc6/0x1e0 [10009.938695][ T7704] [10009.941316][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10009.941316][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10009.941316][ T7704] ipv6_find_idev+0x102/0x170 [10009.941316][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10009.941316][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10009.941316][ T7704] netlink_rcv_skb+0x130/0x360 [10009.941316][ T7704] netlink_unicast+0x449/0x710 [10009.941316][ T7704] netlink_sendmsg+0x723/0xbe0 [10009.941316][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10009.941316][ T7704] ___sys_sendmsg+0xee/0x170 [10009.941316][ T7704] __sys_sendmsg+0xcd/0x170 [10009.941316][ T7704] do_syscall_64+0xc6/0x1e0 [10009.941316][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10009.941316][ T7704] [10009.943358][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10009.943358][ T7704] neigh_parms_alloc+0x1e5/0x510 [10009.943358][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10009.943358][ T7704] ipv6_find_idev+0x102/0x170 [10009.943358][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10009.943358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10009.943358][ T7704] netlink_rcv_skb+0x130/0x360 [10009.943358][ T7704] netlink_unicast+0x449/0x710 [10009.943358][ T7704] netlink_sendmsg+0x723/0xbe0 [10009.943358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10009.943358][ T7704] ___sys_sendmsg+0xee/0x170 [10009.943358][ T7704] __sys_sendmsg+0xcd/0x170 [10009.943358][ T7704] do_syscall_64+0xc6/0x1e0 [10009.943358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10009.943358][ T7704] [10020.188825][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10020.189277][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10020.189277][ T7704] netdev_get_by_index+0x5e/0x80 [10020.189277][ T7704] fib6_nh_init+0x3d8/0x15b0 [10020.189277][ T7704] ip6_route_info_create+0xf18/0x17d0 [10020.189277][ T7704] ip6_route_add+0x1c/0x140 [10020.189277][ T7704] addrconf_prefix_route+0x2a6/0x430 [10020.189277][ T7704] inet6_addr_add+0x4f8/0xa40 [10020.189277][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10020.189277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.189277][ T7704] netlink_rcv_skb+0x130/0x360 [10020.189277][ T7704] netlink_unicast+0x449/0x710 [10020.189277][ T7704] netlink_sendmsg+0x723/0xbe0 [10020.189277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10020.189277][ T7704] ___sys_sendmsg+0xee/0x170 [10020.189277][ T7704] __sys_sendmsg+0xcd/0x170 [10020.189277][ T7704] do_syscall_64+0xc6/0x1e0 [10020.189277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.189277][ T7704] [10020.191806][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10020.191806][ T7704] netdev_get_by_index+0x5e/0x80 [10020.191806][ T7704] fib6_nh_init+0x3d8/0x15b0 [10020.191806][ T7704] ip6_route_info_create+0xf18/0x17d0 [10020.191806][ T7704] addrconf_f6i_alloc+0x315/0x560 [10020.191806][ T7704] ipv6_add_addr+0x411/0x2000 [10020.191806][ T7704] inet6_addr_add+0x30e/0xa40 [10020.191806][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10020.191806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.191806][ T7704] netlink_rcv_skb+0x130/0x360 [10020.191806][ T7704] netlink_unicast+0x449/0x710 [10020.191806][ T7704] netlink_sendmsg+0x723/0xbe0 [10020.191806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10020.191806][ T7704] ___sys_sendmsg+0xee/0x170 [10020.191806][ T7704] __sys_sendmsg+0xcd/0x170 [10020.191806][ T7704] do_syscall_64+0xc6/0x1e0 [10020.191806][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.191806][ T7704] [10020.194251][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10020.194251][ T7704] netdev_get_by_index+0x5e/0x80 [10020.194251][ T7704] fib6_nh_init+0x3d8/0x15b0 [10020.194251][ T7704] ip6_route_info_create+0xf18/0x17d0 [10020.194251][ T7704] ip6_route_add+0x1c/0x140 [10020.194251][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10020.194251][ T7704] addrconf_add_dev+0xe2/0x170 [10020.194251][ T7704] inet6_addr_add+0x12f/0xa40 [10020.194251][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10020.194251][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.194251][ T7704] netlink_rcv_skb+0x130/0x360 [10020.194251][ T7704] netlink_unicast+0x449/0x710 [10020.194251][ T7704] netlink_sendmsg+0x723/0xbe0 [10020.194251][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10020.194251][ T7704] ___sys_sendmsg+0xee/0x170 [10020.194251][ T7704] __sys_sendmsg+0xcd/0x170 [10020.194251][ T7704] do_syscall_64+0xc6/0x1e0 [10020.194251][ T7704] [10020.196664][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10020.196664][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10020.196664][ T7704] ipv6_find_idev+0x102/0x170 [10020.196664][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10020.196664][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.196664][ T7704] netlink_rcv_skb+0x130/0x360 [10020.196664][ T7704] netlink_unicast+0x449/0x710 [10020.196664][ T7704] netlink_sendmsg+0x723/0xbe0 [10020.196664][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10020.196664][ T7704] ___sys_sendmsg+0xee/0x170 [10020.196664][ T7704] __sys_sendmsg+0xcd/0x170 [10020.196664][ T7704] do_syscall_64+0xc6/0x1e0 [10020.196664][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.196664][ T7704] [10020.198538][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10020.198538][ T7704] neigh_parms_alloc+0x1e5/0x510 [10020.198538][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10020.198538][ T7704] ipv6_find_idev+0x102/0x170 [10020.198538][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10020.198538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.198538][ T7704] netlink_rcv_skb+0x130/0x360 [10020.198538][ T7704] netlink_unicast+0x449/0x710 [10020.198538][ T7704] netlink_sendmsg+0x723/0xbe0 [10020.198538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10020.198538][ T7704] ___sys_sendmsg+0xee/0x170 [10020.198538][ T7704] __sys_sendmsg+0xcd/0x170 [10020.198538][ T7704] do_syscall_64+0xc6/0x1e0 [10020.198538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.198538][ T7704] [10030.436809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10030.437248][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10030.437248][ T7704] netdev_get_by_index+0x5e/0x80 [10030.437248][ T7704] fib6_nh_init+0x3d8/0x15b0 [10030.437248][ T7704] ip6_route_info_create+0xf18/0x17d0 [10030.437248][ T7704] ip6_route_add+0x1c/0x140 [10030.437248][ T7704] addrconf_prefix_route+0x2a6/0x430 [10030.437248][ T7704] inet6_addr_add+0x4f8/0xa40 [10030.437248][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10030.437248][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.437248][ T7704] netlink_rcv_skb+0x130/0x360 [10030.437248][ T7704] netlink_unicast+0x449/0x710 [10030.437248][ T7704] netlink_sendmsg+0x723/0xbe0 [10030.437248][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10030.437248][ T7704] ___sys_sendmsg+0xee/0x170 [10030.437248][ T7704] __sys_sendmsg+0xcd/0x170 [10030.437248][ T7704] do_syscall_64+0xc6/0x1e0 [10030.437248][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.437248][ T7704] [10030.439612][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10030.439612][ T7704] netdev_get_by_index+0x5e/0x80 [10030.439612][ T7704] fib6_nh_init+0x3d8/0x15b0 [10030.439612][ T7704] ip6_route_info_create+0xf18/0x17d0 [10030.439612][ T7704] addrconf_f6i_alloc+0x315/0x560 [10030.439612][ T7704] ipv6_add_addr+0x411/0x2000 [10030.439612][ T7704] inet6_addr_add+0x30e/0xa40 [10030.439612][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10030.439612][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.439612][ T7704] netlink_rcv_skb+0x130/0x360 [10030.439612][ T7704] netlink_unicast+0x449/0x710 [10030.439612][ T7704] netlink_sendmsg+0x723/0xbe0 [10030.439612][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10030.439612][ T7704] ___sys_sendmsg+0xee/0x170 [10030.439612][ T7704] __sys_sendmsg+0xcd/0x170 [10030.439612][ T7704] do_syscall_64+0xc6/0x1e0 [10030.439612][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.439612][ T7704] [10030.441843][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10030.441843][ T7704] netdev_get_by_index+0x5e/0x80 [10030.441843][ T7704] fib6_nh_init+0x3d8/0x15b0 [10030.441843][ T7704] ip6_route_info_create+0xf18/0x17d0 [10030.441843][ T7704] ip6_route_add+0x1c/0x140 [10030.441843][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10030.441843][ T7704] addrconf_add_dev+0xe2/0x170 [10030.441843][ T7704] inet6_addr_add+0x12f/0xa40 [10030.441843][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10030.441843][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.441843][ T7704] netlink_rcv_skb+0x130/0x360 [10030.441843][ T7704] netlink_unicast+0x449/0x710 [10030.441843][ T7704] netlink_sendmsg+0x723/0xbe0 [10030.441843][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10030.441843][ T7704] ___sys_sendmsg+0xee/0x170 [10030.441843][ T7704] __sys_sendmsg+0xcd/0x170 [10030.441843][ T7704] do_syscall_64+0xc6/0x1e0 [10030.441843][ T7704] [10030.444237][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10030.444237][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10030.444237][ T7704] ipv6_find_idev+0x102/0x170 [10030.444237][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10030.444237][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.444237][ T7704] netlink_rcv_skb+0x130/0x360 [10030.444237][ T7704] netlink_unicast+0x449/0x710 [10030.444237][ T7704] netlink_sendmsg+0x723/0xbe0 [10030.444237][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10030.444237][ T7704] ___sys_sendmsg+0xee/0x170 [10030.444237][ T7704] __sys_sendmsg+0xcd/0x170 [10030.444237][ T7704] do_syscall_64+0xc6/0x1e0 [10030.444237][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.444237][ T7704] [10030.446003][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10030.446003][ T7704] neigh_parms_alloc+0x1e5/0x510 [10030.446003][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10030.446003][ T7704] ipv6_find_idev+0x102/0x170 [10030.446003][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10030.446003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.446003][ T7704] netlink_rcv_skb+0x130/0x360 [10030.446003][ T7704] netlink_unicast+0x449/0x710 [10030.446003][ T7704] netlink_sendmsg+0x723/0xbe0 [10030.446003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10030.446003][ T7704] ___sys_sendmsg+0xee/0x170 [10030.446003][ T7704] __sys_sendmsg+0xcd/0x170 [10030.446003][ T7704] do_syscall_64+0xc6/0x1e0 [10030.446003][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.446003][ T7704] [10040.588780][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10040.589253][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10040.589253][ T7704] netdev_get_by_index+0x5e/0x80 [10040.589253][ T7704] fib6_nh_init+0x3d8/0x15b0 [10040.589253][ T7704] ip6_route_info_create+0xf18/0x17d0 [10040.589253][ T7704] ip6_route_add+0x1c/0x140 [10040.589253][ T7704] addrconf_prefix_route+0x2a6/0x430 [10040.589253][ T7704] inet6_addr_add+0x4f8/0xa40 [10040.589253][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10040.589253][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10040.589253][ T7704] netlink_rcv_skb+0x130/0x360 [10040.589253][ T7704] netlink_unicast+0x449/0x710 [10040.589253][ T7704] netlink_sendmsg+0x723/0xbe0 [10040.589253][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10040.589253][ T7704] ___sys_sendmsg+0xee/0x170 [10040.589253][ T7704] __sys_sendmsg+0xcd/0x170 [10040.589253][ T7704] do_syscall_64+0xc6/0x1e0 [10040.589253][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10040.589253][ T7704] [10040.591488][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10040.591488][ T7704] netdev_get_by_index+0x5e/0x80 [10040.591488][ T7704] fib6_nh_init+0x3d8/0x15b0 [10040.591488][ T7704] ip6_route_info_create+0xf18/0x17d0 [10040.591488][ T7704] addrconf_f6i_alloc+0x315/0x560 [10040.591488][ T7704] ipv6_add_addr+0x411/0x2000 [10040.591488][ T7704] inet6_addr_add+0x30e/0xa40 [10040.591488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10040.591488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10040.591488][ T7704] netlink_rcv_skb+0x130/0x360 [10040.591488][ T7704] netlink_unicast+0x449/0x710 [10040.591488][ T7704] netlink_sendmsg+0x723/0xbe0 [10040.591488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10040.591488][ T7704] ___sys_sendmsg+0xee/0x170 [10040.591488][ T7704] __sys_sendmsg+0xcd/0x170 [10040.591488][ T7704] do_syscall_64+0xc6/0x1e0 [10040.591488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10040.591488][ T7704] [10040.593696][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10040.593696][ T7704] netdev_get_by_index+0x5e/0x80 [10040.593696][ T7704] fib6_nh_init+0x3d8/0x15b0 [10040.593696][ T7704] ip6_route_info_create+0xf18/0x17d0 [10040.593696][ T7704] ip6_route_add+0x1c/0x140 [10040.593696][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10040.593696][ T7704] addrconf_add_dev+0xe2/0x170 [10040.593696][ T7704] inet6_addr_add+0x12f/0xa40 [10040.593696][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10040.593696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10040.593696][ T7704] netlink_rcv_skb+0x130/0x360 [10040.593696][ T7704] netlink_unicast+0x449/0x710 [10040.593696][ T7704] netlink_sendmsg+0x723/0xbe0 [10040.593696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10040.593696][ T7704] ___sys_sendmsg+0xee/0x170 [10040.593696][ T7704] __sys_sendmsg+0xcd/0x170 [10040.593696][ T7704] do_syscall_64+0xc6/0x1e0 [10040.593696][ T7704] [10040.595874][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10040.595874][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10040.595874][ T7704] ipv6_find_idev+0x102/0x170 [10040.595874][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10040.595874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10040.595874][ T7704] netlink_rcv_skb+0x130/0x360 [10040.595874][ T7704] netlink_unicast+0x449/0x710 [10040.595874][ T7704] netlink_sendmsg+0x723/0xbe0 [10040.595874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10040.595874][ T7704] ___sys_sendmsg+0xee/0x170 [10040.595874][ T7704] __sys_sendmsg+0xcd/0x170 [10040.595874][ T7704] do_syscall_64+0xc6/0x1e0 [10040.595874][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10040.595874][ T7704] [10040.597570][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10040.597570][ T7704] neigh_parms_alloc+0x1e5/0x510 [10040.597570][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10040.597570][ T7704] ipv6_find_idev+0x102/0x170 [10040.597570][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10040.597570][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10040.597570][ T7704] netlink_rcv_skb+0x130/0x360 [10040.597570][ T7704] netlink_unicast+0x449/0x710 [10040.597570][ T7704] netlink_sendmsg+0x723/0xbe0 [10040.597570][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10040.597570][ T7704] ___sys_sendmsg+0xee/0x170 [10040.597570][ T7704] __sys_sendmsg+0xcd/0x170 [10040.597570][ T7704] do_syscall_64+0xc6/0x1e0 [10040.597570][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10040.597570][ T7704] [10050.844837][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10050.845488][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10050.845488][ T7704] netdev_get_by_index+0x5e/0x80 [10050.845488][ T7704] fib6_nh_init+0x3d8/0x15b0 [10050.845488][ T7704] ip6_route_info_create+0xf18/0x17d0 [10050.845488][ T7704] ip6_route_add+0x1c/0x140 [10050.845488][ T7704] addrconf_prefix_route+0x2a6/0x430 [10050.845488][ T7704] inet6_addr_add+0x4f8/0xa40 [10050.845488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10050.845488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10050.845488][ T7704] netlink_rcv_skb+0x130/0x360 [10050.845488][ T7704] netlink_unicast+0x449/0x710 [10050.845488][ T7704] netlink_sendmsg+0x723/0xbe0 [10050.845488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10050.845488][ T7704] ___sys_sendmsg+0xee/0x170 [10050.845488][ T7704] __sys_sendmsg+0xcd/0x170 [10050.845488][ T7704] do_syscall_64+0xc6/0x1e0 [10050.845488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10050.845488][ T7704] [10050.849168][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10050.849168][ T7704] netdev_get_by_index+0x5e/0x80 [10050.849168][ T7704] fib6_nh_init+0x3d8/0x15b0 [10050.849168][ T7704] ip6_route_info_create+0xf18/0x17d0 [10050.849168][ T7704] addrconf_f6i_alloc+0x315/0x560 [10050.849168][ T7704] ipv6_add_addr+0x411/0x2000 [10050.849168][ T7704] inet6_addr_add+0x30e/0xa40 [10050.849168][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10050.849168][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10050.849168][ T7704] netlink_rcv_skb+0x130/0x360 [10050.849168][ T7704] netlink_unicast+0x449/0x710 [10050.849168][ T7704] netlink_sendmsg+0x723/0xbe0 [10050.849168][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10050.849168][ T7704] ___sys_sendmsg+0xee/0x170 [10050.849168][ T7704] __sys_sendmsg+0xcd/0x170 [10050.849168][ T7704] do_syscall_64+0xc6/0x1e0 [10050.849168][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10050.849168][ T7704] [10050.853160][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10050.853160][ T7704] netdev_get_by_index+0x5e/0x80 [10050.853160][ T7704] fib6_nh_init+0x3d8/0x15b0 [10050.853160][ T7704] ip6_route_info_create+0xf18/0x17d0 [10050.853160][ T7704] ip6_route_add+0x1c/0x140 [10050.853160][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10050.853160][ T7704] addrconf_add_dev+0xe2/0x170 [10050.853160][ T7704] inet6_addr_add+0x12f/0xa40 [10050.853160][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10050.853160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10050.853160][ T7704] netlink_rcv_skb+0x130/0x360 [10050.853160][ T7704] netlink_unicast+0x449/0x710 [10050.853160][ T7704] netlink_sendmsg+0x723/0xbe0 [10050.853160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10050.853160][ T7704] ___sys_sendmsg+0xee/0x170 [10050.853160][ T7704] __sys_sendmsg+0xcd/0x170 [10050.853160][ T7704] do_syscall_64+0xc6/0x1e0 [10050.853160][ T7704] [10050.856912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10050.856912][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10050.856912][ T7704] ipv6_find_idev+0x102/0x170 [10050.856912][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10050.856912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10050.856912][ T7704] netlink_rcv_skb+0x130/0x360 [10050.856912][ T7704] netlink_unicast+0x449/0x710 [10050.856912][ T7704] netlink_sendmsg+0x723/0xbe0 [10050.856912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10050.856912][ T7704] ___sys_sendmsg+0xee/0x170 [10050.856912][ T7704] __sys_sendmsg+0xcd/0x170 [10050.856912][ T7704] do_syscall_64+0xc6/0x1e0 [10050.856912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10050.856912][ T7704] [10050.859735][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10050.859735][ T7704] neigh_parms_alloc+0x1e5/0x510 [10050.859735][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10050.859735][ T7704] ipv6_find_idev+0x102/0x170 [10050.859735][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10050.859735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10050.859735][ T7704] netlink_rcv_skb+0x130/0x360 [10050.859735][ T7704] netlink_unicast+0x449/0x710 [10050.859735][ T7704] netlink_sendmsg+0x723/0xbe0 [10050.859735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10050.859735][ T7704] ___sys_sendmsg+0xee/0x170 [10050.859735][ T7704] __sys_sendmsg+0xcd/0x170 [10050.859735][ T7704] do_syscall_64+0xc6/0x1e0 [10050.859735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10050.859735][ T7704] HARD STOP (9955.293975) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr [10060.964781][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10060.965244][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10060.965244][ T7704] netdev_get_by_index+0x5e/0x80 [10060.965244][ T7704] fib6_nh_init+0x3d8/0x15b0 [10060.965244][ T7704] ip6_route_info_create+0xf18/0x17d0 [10060.965244][ T7704] ip6_route_add+0x1c/0x140 [10060.965244][ T7704] addrconf_prefix_route+0x2a6/0x430 [10060.965244][ T7704] inet6_addr_add+0x4f8/0xa40 [10060.965244][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10060.965244][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10060.965244][ T7704] netlink_rcv_skb+0x130/0x360 [10060.965244][ T7704] netlink_unicast+0x449/0x710 [10060.965244][ T7704] netlink_sendmsg+0x723/0xbe0 [10060.965244][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10060.965244][ T7704] ___sys_sendmsg+0xee/0x170 [10060.965244][ T7704] __sys_sendmsg+0xcd/0x170 [10060.965244][ T7704] do_syscall_64+0xc6/0x1e0 [10060.965244][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10060.965244][ T7704] [10060.967768][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10060.967768][ T7704] netdev_get_by_index+0x5e/0x80 [10060.967768][ T7704] fib6_nh_init+0x3d8/0x15b0 [10060.967768][ T7704] ip6_route_info_create+0xf18/0x17d0 [10060.967768][ T7704] addrconf_f6i_alloc+0x315/0x560 [10060.967768][ T7704] ipv6_add_addr+0x411/0x2000 [10060.967768][ T7704] inet6_addr_add+0x30e/0xa40 [10060.967768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10060.967768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10060.967768][ T7704] netlink_rcv_skb+0x130/0x360 [10060.967768][ T7704] netlink_unicast+0x449/0x710 [10060.967768][ T7704] netlink_sendmsg+0x723/0xbe0 [10060.967768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10060.967768][ T7704] ___sys_sendmsg+0xee/0x170 [10060.967768][ T7704] __sys_sendmsg+0xcd/0x170 [10060.967768][ T7704] do_syscall_64+0xc6/0x1e0 [10060.967768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10060.967768][ T7704] [10060.970023][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10060.970023][ T7704] netdev_get_by_index+0x5e/0x80 [10060.970023][ T7704] fib6_nh_init+0x3d8/0x15b0 [10060.970023][ T7704] ip6_route_info_create+0xf18/0x17d0 [10060.970023][ T7704] ip6_route_add+0x1c/0x140 [10060.970023][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10060.970023][ T7704] addrconf_add_dev+0xe2/0x170 [10060.970023][ T7704] inet6_addr_add+0x12f/0xa40 [10060.970023][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10060.970023][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10060.970023][ T7704] netlink_rcv_skb+0x130/0x360 [10060.970023][ T7704] netlink_unicast+0x449/0x710 [10060.970023][ T7704] netlink_sendmsg+0x723/0xbe0 [10060.970023][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10060.970023][ T7704] ___sys_sendmsg+0xee/0x170 [10060.970023][ T7704] __sys_sendmsg+0xcd/0x170 [10060.970023][ T7704] do_syscall_64+0xc6/0x1e0 [10060.970023][ T7704] [10060.972243][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10060.972243][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10060.972243][ T7704] ipv6_find_idev+0x102/0x170 [10060.972243][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10060.972243][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10060.972243][ T7704] netlink_rcv_skb+0x130/0x360 [10060.972243][ T7704] netlink_unicast+0x449/0x710 [10060.972243][ T7704] netlink_sendmsg+0x723/0xbe0 [10060.972243][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10060.972243][ T7704] ___sys_sendmsg+0xee/0x170 [10060.972243][ T7704] __sys_sendmsg+0xcd/0x170 [10060.972243][ T7704] do_syscall_64+0xc6/0x1e0 [10060.972243][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10060.972243][ T7704] [10060.973996][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10060.973996][ T7704] neigh_parms_alloc+0x1e5/0x510 [10060.973996][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10060.973996][ T7704] ipv6_find_idev+0x102/0x170 [10060.973996][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10060.973996][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10060.973996][ T7704] netlink_rcv_skb+0x130/0x360 [10060.973996][ T7704] netlink_unicast+0x449/0x710 [10060.973996][ T7704] netlink_sendmsg+0x723/0xbe0 [10060.973996][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10060.973996][ T7704] ___sys_sendmsg+0xee/0x170 [10060.973996][ T7704] __sys_sendmsg+0xcd/0x170 [10060.973996][ T7704] do_syscall_64+0xc6/0x1e0 [10060.973996][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10060.973996][ T7704] [10071.100829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10071.101486][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10071.101486][ T7704] netdev_get_by_index+0x5e/0x80 [10071.101486][ T7704] fib6_nh_init+0x3d8/0x15b0 [10071.101486][ T7704] ip6_route_info_create+0xf18/0x17d0 [10071.101486][ T7704] ip6_route_add+0x1c/0x140 [10071.101486][ T7704] addrconf_prefix_route+0x2a6/0x430 [10071.101486][ T7704] inet6_addr_add+0x4f8/0xa40 [10071.101486][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10071.101486][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.101486][ T7704] netlink_rcv_skb+0x130/0x360 [10071.101486][ T7704] netlink_unicast+0x449/0x710 [10071.101486][ T7704] netlink_sendmsg+0x723/0xbe0 [10071.101486][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10071.101486][ T7704] ___sys_sendmsg+0xee/0x170 [10071.101486][ T7704] __sys_sendmsg+0xcd/0x170 [10071.101486][ T7704] do_syscall_64+0xc6/0x1e0 [10071.101486][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.101486][ T7704] [10071.105164][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10071.105164][ T7704] netdev_get_by_index+0x5e/0x80 [10071.105164][ T7704] fib6_nh_init+0x3d8/0x15b0 [10071.105164][ T7704] ip6_route_info_create+0xf18/0x17d0 [10071.105164][ T7704] addrconf_f6i_alloc+0x315/0x560 [10071.105164][ T7704] ipv6_add_addr+0x411/0x2000 [10071.105164][ T7704] inet6_addr_add+0x30e/0xa40 [10071.105164][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10071.105164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.105164][ T7704] netlink_rcv_skb+0x130/0x360 [10071.105164][ T7704] netlink_unicast+0x449/0x710 [10071.105164][ T7704] netlink_sendmsg+0x723/0xbe0 [10071.105164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10071.105164][ T7704] ___sys_sendmsg+0xee/0x170 [10071.105164][ T7704] __sys_sendmsg+0xcd/0x170 [10071.105164][ T7704] do_syscall_64+0xc6/0x1e0 [10071.105164][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.105164][ T7704] [10071.108835][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10071.108835][ T7704] netdev_get_by_index+0x5e/0x80 [10071.108835][ T7704] fib6_nh_init+0x3d8/0x15b0 [10071.108835][ T7704] ip6_route_info_create+0xf18/0x17d0 [10071.108835][ T7704] ip6_route_add+0x1c/0x140 [10071.108835][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10071.108835][ T7704] addrconf_add_dev+0xe2/0x170 [10071.108835][ T7704] inet6_addr_add+0x12f/0xa40 [10071.108835][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10071.108835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.108835][ T7704] netlink_rcv_skb+0x130/0x360 [10071.108835][ T7704] netlink_unicast+0x449/0x710 [10071.108835][ T7704] netlink_sendmsg+0x723/0xbe0 [10071.108835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10071.108835][ T7704] ___sys_sendmsg+0xee/0x170 [10071.108835][ T7704] __sys_sendmsg+0xcd/0x170 [10071.108835][ T7704] do_syscall_64+0xc6/0x1e0 [10071.108835][ T7704] [10071.112468][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10071.112468][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10071.112468][ T7704] ipv6_find_idev+0x102/0x170 [10071.112468][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10071.112468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.112468][ T7704] netlink_rcv_skb+0x130/0x360 [10071.112468][ T7704] netlink_unicast+0x449/0x710 [10071.112468][ T7704] netlink_sendmsg+0x723/0xbe0 [10071.112468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10071.112468][ T7704] ___sys_sendmsg+0xee/0x170 [10071.112468][ T7704] __sys_sendmsg+0xcd/0x170 [10071.112468][ T7704] do_syscall_64+0xc6/0x1e0 [10071.112468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.112468][ T7704] [10071.115348][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10071.115348][ T7704] neigh_parms_alloc+0x1e5/0x510 [10071.115348][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10071.115348][ T7704] ipv6_find_idev+0x102/0x170 [10071.115348][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10071.115348][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.115348][ T7704] netlink_rcv_skb+0x130/0x360 [10071.115348][ T7704] netlink_unicast+0x449/0x710 [10071.115348][ T7704] netlink_sendmsg+0x723/0xbe0 [10071.115348][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10071.115348][ T7704] ___sys_sendmsg+0xee/0x170 [10071.115348][ T7704] __sys_sendmsg+0xcd/0x170 [10071.115348][ T7704] do_syscall_64+0xc6/0x1e0 [10071.115348][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.115348][ T7704] [10081.356920][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10081.357728][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10081.357728][ T7704] netdev_get_by_index+0x5e/0x80 [10081.357728][ T7704] fib6_nh_init+0x3d8/0x15b0 [10081.357728][ T7704] ip6_route_info_create+0xf18/0x17d0 [10081.357728][ T7704] ip6_route_add+0x1c/0x140 [10081.357728][ T7704] addrconf_prefix_route+0x2a6/0x430 [10081.357728][ T7704] inet6_addr_add+0x4f8/0xa40 [10081.357728][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10081.357728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.357728][ T7704] netlink_rcv_skb+0x130/0x360 [10081.357728][ T7704] netlink_unicast+0x449/0x710 [10081.357728][ T7704] netlink_sendmsg+0x723/0xbe0 [10081.357728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10081.357728][ T7704] ___sys_sendmsg+0xee/0x170 [10081.357728][ T7704] __sys_sendmsg+0xcd/0x170 [10081.357728][ T7704] do_syscall_64+0xc6/0x1e0 [10081.357728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.357728][ T7704] [10081.361856][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10081.361856][ T7704] netdev_get_by_index+0x5e/0x80 [10081.361856][ T7704] fib6_nh_init+0x3d8/0x15b0 [10081.361856][ T7704] ip6_route_info_create+0xf18/0x17d0 [10081.361856][ T7704] addrconf_f6i_alloc+0x315/0x560 [10081.361856][ T7704] ipv6_add_addr+0x411/0x2000 [10081.361856][ T7704] inet6_addr_add+0x30e/0xa40 [10081.361856][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10081.361856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.361856][ T7704] netlink_rcv_skb+0x130/0x360 [10081.361856][ T7704] netlink_unicast+0x449/0x710 [10081.361856][ T7704] netlink_sendmsg+0x723/0xbe0 [10081.361856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10081.361856][ T7704] ___sys_sendmsg+0xee/0x170 [10081.361856][ T7704] __sys_sendmsg+0xcd/0x170 [10081.361856][ T7704] do_syscall_64+0xc6/0x1e0 [10081.361856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.361856][ T7704] [10081.365883][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10081.365883][ T7704] netdev_get_by_index+0x5e/0x80 [10081.365883][ T7704] fib6_nh_init+0x3d8/0x15b0 [10081.365883][ T7704] ip6_route_info_create+0xf18/0x17d0 [10081.365883][ T7704] ip6_route_add+0x1c/0x140 [10081.365883][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10081.365883][ T7704] addrconf_add_dev+0xe2/0x170 [10081.365883][ T7704] inet6_addr_add+0x12f/0xa40 [10081.365883][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10081.365883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.365883][ T7704] netlink_rcv_skb+0x130/0x360 [10081.365883][ T7704] netlink_unicast+0x449/0x710 [10081.365883][ T7704] netlink_sendmsg+0x723/0xbe0 [10081.365883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10081.365883][ T7704] ___sys_sendmsg+0xee/0x170 [10081.365883][ T7704] __sys_sendmsg+0xcd/0x170 [10081.365883][ T7704] do_syscall_64+0xc6/0x1e0 [10081.365883][ T7704] [10081.369923][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10081.369923][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10081.369923][ T7704] ipv6_find_idev+0x102/0x170 [10081.369923][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10081.369923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.369923][ T7704] netlink_rcv_skb+0x130/0x360 [10081.369923][ T7704] netlink_unicast+0x449/0x710 [10081.369923][ T7704] netlink_sendmsg+0x723/0xbe0 [10081.369923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10081.369923][ T7704] ___sys_sendmsg+0xee/0x170 [10081.369923][ T7704] __sys_sendmsg+0xcd/0x170 [10081.369923][ T7704] do_syscall_64+0xc6/0x1e0 [10081.369923][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.369923][ T7704] [10081.373020][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10081.373020][ T7704] neigh_parms_alloc+0x1e5/0x510 [10081.373020][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10081.373020][ T7704] ipv6_find_idev+0x102/0x170 [10081.373020][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10081.373020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.373020][ T7704] netlink_rcv_skb+0x130/0x360 [10081.373020][ T7704] netlink_unicast+0x449/0x710 [10081.373020][ T7704] netlink_sendmsg+0x723/0xbe0 [10081.373020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10081.373020][ T7704] ___sys_sendmsg+0xee/0x170 [10081.373020][ T7704] __sys_sendmsg+0xcd/0x170 [10081.373020][ T7704] do_syscall_64+0xc6/0x1e0 [10081.373020][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.373020][ T7704] [10091.644846][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10091.664388][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10091.664388][ T7704] netdev_get_by_index+0x5e/0x80 [10091.664388][ T7704] fib6_nh_init+0x3d8/0x15b0 [10091.664388][ T7704] ip6_route_info_create+0xf18/0x17d0 [10091.664388][ T7704] ip6_route_add+0x1c/0x140 [10091.664388][ T7704] addrconf_prefix_route+0x2a6/0x430 [10091.664388][ T7704] inet6_addr_add+0x4f8/0xa40 [10091.664388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10091.664388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10091.664388][ T7704] netlink_rcv_skb+0x130/0x360 [10091.664388][ T7704] netlink_unicast+0x449/0x710 [10091.664388][ T7704] netlink_sendmsg+0x723/0xbe0 [10091.664388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10091.664388][ T7704] ___sys_sendmsg+0xee/0x170 [10091.664388][ T7704] __sys_sendmsg+0xcd/0x170 [10091.664388][ T7704] do_syscall_64+0xc6/0x1e0 [10091.664388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10091.664388][ T7704] [10091.675866][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10091.675866][ T7704] netdev_get_by_index+0x5e/0x80 [10091.675866][ T7704] fib6_nh_init+0x3d8/0x15b0 [10091.675866][ T7704] ip6_route_info_create+0xf18/0x17d0 [10091.675866][ T7704] addrconf_f6i_alloc+0x315/0x560 [10091.675866][ T7704] ipv6_add_addr+0x411/0x2000 [10091.675866][ T7704] inet6_addr_add+0x30e/0xa40 [10091.675866][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10091.675866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10091.675866][ T7704] netlink_rcv_skb+0x130/0x360 [10091.675866][ T7704] netlink_unicast+0x449/0x710 [10091.675866][ T7704] netlink_sendmsg+0x723/0xbe0 [10091.675866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10091.675866][ T7704] ___sys_sendmsg+0xee/0x170 [10091.675866][ T7704] __sys_sendmsg+0xcd/0x170 [10091.675866][ T7704] do_syscall_64+0xc6/0x1e0 [10091.675866][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10091.675866][ T7704] [10091.696241][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10091.696241][ T7704] netdev_get_by_index+0x5e/0x80 [10091.696241][ T7704] fib6_nh_init+0x3d8/0x15b0 [10091.696241][ T7704] ip6_route_info_create+0xf18/0x17d0 [10091.696241][ T7704] ip6_route_add+0x1c/0x140 [10091.696241][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10091.696241][ T7704] addrconf_add_dev+0xe2/0x170 [10091.696241][ T7704] inet6_addr_add+0x12f/0xa40 [10091.696241][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10091.696241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10091.696241][ T7704] netlink_rcv_skb+0x130/0x360 [10091.696241][ T7704] netlink_unicast+0x449/0x710 [10091.696241][ T7704] netlink_sendmsg+0x723/0xbe0 [10091.696241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10091.696241][ T7704] ___sys_sendmsg+0xee/0x170 [10091.696241][ T7704] __sys_sendmsg+0xcd/0x170 [10091.696241][ T7704] do_syscall_64+0xc6/0x1e0 [10091.696241][ T7704] [10091.706692][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10091.706692][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10091.706692][ T7704] ipv6_find_idev+0x102/0x170 [10091.706692][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10091.706692][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10091.706692][ T7704] netlink_rcv_skb+0x130/0x360 [10091.706692][ T7704] netlink_unicast+0x449/0x710 [10091.706692][ T7704] netlink_sendmsg+0x723/0xbe0 [10091.706692][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10091.706692][ T7704] ___sys_sendmsg+0xee/0x170 [10091.706692][ T7704] __sys_sendmsg+0xcd/0x170 [10091.706692][ T7704] do_syscall_64+0xc6/0x1e0 [10091.706692][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10091.706692][ T7704] [10091.712145][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10091.712145][ T7704] neigh_parms_alloc+0x1e5/0x510 [10091.712145][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10091.712145][ T7704] ipv6_find_idev+0x102/0x170 [10091.712145][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10091.712145][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10091.712145][ T7704] netlink_rcv_skb+0x130/0x360 [10091.712145][ T7704] netlink_unicast+0x449/0x710 [10091.712145][ T7704] netlink_sendmsg+0x723/0xbe0 [10091.712145][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10091.712145][ T7704] ___sys_sendmsg+0xee/0x170 [10091.712145][ T7704] __sys_sendmsg+0xcd/0x170 [10091.712145][ T7704] do_syscall_64+0xc6/0x1e0 [10091.712145][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10091.712145][ T7704] [10101.724984][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10101.744370][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10101.744370][ T7704] netdev_get_by_index+0x5e/0x80 [10101.744370][ T7704] fib6_nh_init+0x3d8/0x15b0 [10101.744370][ T7704] ip6_route_info_create+0xf18/0x17d0 [10101.744370][ T7704] ip6_route_add+0x1c/0x140 [10101.744370][ T7704] addrconf_prefix_route+0x2a6/0x430 [10101.744370][ T7704] inet6_addr_add+0x4f8/0xa40 [10101.744370][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10101.744370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10101.744370][ T7704] netlink_rcv_skb+0x130/0x360 [10101.744370][ T7704] netlink_unicast+0x449/0x710 [10101.744370][ T7704] netlink_sendmsg+0x723/0xbe0 [10101.744370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10101.744370][ T7704] ___sys_sendmsg+0xee/0x170 [10101.744370][ T7704] __sys_sendmsg+0xcd/0x170 [10101.744370][ T7704] do_syscall_64+0xc6/0x1e0 [10101.744370][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10101.744370][ T7704] [10101.758622][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10101.758622][ T7704] netdev_get_by_index+0x5e/0x80 [10101.758622][ T7704] fib6_nh_init+0x3d8/0x15b0 [10101.758622][ T7704] ip6_route_info_create+0xf18/0x17d0 [10101.758622][ T7704] addrconf_f6i_alloc+0x315/0x560 [10101.758622][ T7704] ipv6_add_addr+0x411/0x2000 [10101.758622][ T7704] inet6_addr_add+0x30e/0xa40 [10101.758622][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10101.758622][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10101.758622][ T7704] netlink_rcv_skb+0x130/0x360 [10101.758622][ T7704] netlink_unicast+0x449/0x710 [10101.758622][ T7704] netlink_sendmsg+0x723/0xbe0 [10101.758622][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10101.758622][ T7704] ___sys_sendmsg+0xee/0x170 [10101.758622][ T7704] __sys_sendmsg+0xcd/0x170 [10101.758622][ T7704] do_syscall_64+0xc6/0x1e0 [10101.758622][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10101.758622][ T7704] [10101.765654][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10101.765654][ T7704] netdev_get_by_index+0x5e/0x80 [10101.765654][ T7704] fib6_nh_init+0x3d8/0x15b0 [10101.765654][ T7704] ip6_route_info_create+0xf18/0x17d0 [10101.765654][ T7704] ip6_route_add+0x1c/0x140 [10101.765654][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10101.765654][ T7704] addrconf_add_dev+0xe2/0x170 [10101.765654][ T7704] inet6_addr_add+0x12f/0xa40 [10101.765654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10101.765654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10101.765654][ T7704] netlink_rcv_skb+0x130/0x360 [10101.765654][ T7704] netlink_unicast+0x449/0x710 [10101.765654][ T7704] netlink_sendmsg+0x723/0xbe0 [10101.765654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10101.765654][ T7704] ___sys_sendmsg+0xee/0x170 [10101.765654][ T7704] __sys_sendmsg+0xcd/0x170 [10101.765654][ T7704] do_syscall_64+0xc6/0x1e0 [10101.765654][ T7704] [10101.787111][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10101.787111][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10101.787111][ T7704] ipv6_find_idev+0x102/0x170 [10101.787111][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10101.787111][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10101.787111][ T7704] netlink_rcv_skb+0x130/0x360 [10101.787111][ T7704] netlink_unicast+0x449/0x710 [10101.787111][ T7704] netlink_sendmsg+0x723/0xbe0 [10101.787111][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10101.787111][ T7704] ___sys_sendmsg+0xee/0x170 [10101.787111][ T7704] __sys_sendmsg+0xcd/0x170 [10101.787111][ T7704] do_syscall_64+0xc6/0x1e0 [10101.787111][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10101.787111][ T7704] [10101.790941][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10101.790941][ T7704] neigh_parms_alloc+0x1e5/0x510 [10101.790941][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10101.790941][ T7704] ipv6_find_idev+0x102/0x170 [10101.790941][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10101.790941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10101.790941][ T7704] netlink_rcv_skb+0x130/0x360 [10101.790941][ T7704] netlink_unicast+0x449/0x710 [10101.790941][ T7704] netlink_sendmsg+0x723/0xbe0 [10101.790941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10101.790941][ T7704] ___sys_sendmsg+0xee/0x170 [10101.790941][ T7704] __sys_sendmsg+0xcd/0x170 [10101.790941][ T7704] do_syscall_64+0xc6/0x1e0 [10101.790941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10101.790941][ T7704] [10111.804969][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10111.814794][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10111.814794][ T7704] netdev_get_by_index+0x5e/0x80 [10111.814794][ T7704] fib6_nh_init+0x3d8/0x15b0 [10111.814794][ T7704] ip6_route_info_create+0xf18/0x17d0 [10111.814794][ T7704] ip6_route_add+0x1c/0x140 [10111.814794][ T7704] addrconf_prefix_route+0x2a6/0x430 [10111.814794][ T7704] inet6_addr_add+0x4f8/0xa40 [10111.814794][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10111.814794][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10111.814794][ T7704] netlink_rcv_skb+0x130/0x360 [10111.814794][ T7704] netlink_unicast+0x449/0x710 [10111.814794][ T7704] netlink_sendmsg+0x723/0xbe0 [10111.814794][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10111.814794][ T7704] ___sys_sendmsg+0xee/0x170 [10111.814794][ T7704] __sys_sendmsg+0xcd/0x170 [10111.814794][ T7704] do_syscall_64+0xc6/0x1e0 [10111.814794][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10111.814794][ T7704] [10111.818697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10111.818697][ T7704] netdev_get_by_index+0x5e/0x80 [10111.818697][ T7704] fib6_nh_init+0x3d8/0x15b0 [10111.818697][ T7704] ip6_route_info_create+0xf18/0x17d0 [10111.818697][ T7704] addrconf_f6i_alloc+0x315/0x560 [10111.818697][ T7704] ipv6_add_addr+0x411/0x2000 [10111.818697][ T7704] inet6_addr_add+0x30e/0xa40 [10111.818697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10111.818697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10111.818697][ T7704] netlink_rcv_skb+0x130/0x360 [10111.818697][ T7704] netlink_unicast+0x449/0x710 [10111.818697][ T7704] netlink_sendmsg+0x723/0xbe0 [10111.818697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10111.818697][ T7704] ___sys_sendmsg+0xee/0x170 [10111.818697][ T7704] __sys_sendmsg+0xcd/0x170 [10111.818697][ T7704] do_syscall_64+0xc6/0x1e0 [10111.818697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10111.818697][ T7704] [10111.827358][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10111.827358][ T7704] netdev_get_by_index+0x5e/0x80 [10111.827358][ T7704] fib6_nh_init+0x3d8/0x15b0 [10111.827358][ T7704] ip6_route_info_create+0xf18/0x17d0 [10111.827358][ T7704] ip6_route_add+0x1c/0x140 [10111.827358][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10111.827358][ T7704] addrconf_add_dev+0xe2/0x170 [10111.827358][ T7704] inet6_addr_add+0x12f/0xa40 [10111.827358][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10111.827358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10111.827358][ T7704] netlink_rcv_skb+0x130/0x360 [10111.827358][ T7704] netlink_unicast+0x449/0x710 [10111.827358][ T7704] netlink_sendmsg+0x723/0xbe0 [10111.827358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10111.827358][ T7704] ___sys_sendmsg+0xee/0x170 [10111.827358][ T7704] __sys_sendmsg+0xcd/0x170 [10111.827358][ T7704] do_syscall_64+0xc6/0x1e0 [10111.827358][ T7704] [10111.840416][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10111.840416][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10111.840416][ T7704] ipv6_find_idev+0x102/0x170 [10111.840416][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10111.840416][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10111.840416][ T7704] netlink_rcv_skb+0x130/0x360 [10111.840416][ T7704] netlink_unicast+0x449/0x710 [10111.840416][ T7704] netlink_sendmsg+0x723/0xbe0 [10111.840416][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10111.840416][ T7704] ___sys_sendmsg+0xee/0x170 [10111.840416][ T7704] __sys_sendmsg+0xcd/0x170 [10111.840416][ T7704] do_syscall_64+0xc6/0x1e0 [10111.840416][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10111.840416][ T7704] [10111.843563][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10111.843563][ T7704] neigh_parms_alloc+0x1e5/0x510 [10111.843563][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10111.843563][ T7704] ipv6_find_idev+0x102/0x170 [10111.843563][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10111.843563][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10111.843563][ T7704] netlink_rcv_skb+0x130/0x360 [10111.843563][ T7704] netlink_unicast+0x449/0x710 [10111.843563][ T7704] netlink_sendmsg+0x723/0xbe0 [10111.843563][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10111.843563][ T7704] ___sys_sendmsg+0xee/0x170 [10111.843563][ T7704] __sys_sendmsg+0xcd/0x170 [10111.843563][ T7704] do_syscall_64+0xc6/0x1e0 [10111.843563][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10111.843563][ T7704] [10122.108871][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10122.109588][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10122.109588][ T7704] netdev_get_by_index+0x5e/0x80 [10122.109588][ T7704] fib6_nh_init+0x3d8/0x15b0 [10122.109588][ T7704] ip6_route_info_create+0xf18/0x17d0 [10122.109588][ T7704] ip6_route_add+0x1c/0x140 [10122.109588][ T7704] addrconf_prefix_route+0x2a6/0x430 [10122.109588][ T7704] inet6_addr_add+0x4f8/0xa40 [10122.109588][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10122.109588][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.109588][ T7704] netlink_rcv_skb+0x130/0x360 [10122.109588][ T7704] netlink_unicast+0x449/0x710 [10122.109588][ T7704] netlink_sendmsg+0x723/0xbe0 [10122.109588][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10122.109588][ T7704] ___sys_sendmsg+0xee/0x170 [10122.109588][ T7704] __sys_sendmsg+0xcd/0x170 [10122.109588][ T7704] do_syscall_64+0xc6/0x1e0 [10122.109588][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10122.109588][ T7704] [10122.113492][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10122.113492][ T7704] netdev_get_by_index+0x5e/0x80 [10122.113492][ T7704] fib6_nh_init+0x3d8/0x15b0 [10122.113492][ T7704] ip6_route_info_create+0xf18/0x17d0 [10122.113492][ T7704] addrconf_f6i_alloc+0x315/0x560 [10122.113492][ T7704] ipv6_add_addr+0x411/0x2000 [10122.113492][ T7704] inet6_addr_add+0x30e/0xa40 [10122.113492][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10122.113492][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.113492][ T7704] netlink_rcv_skb+0x130/0x360 [10122.113492][ T7704] netlink_unicast+0x449/0x710 [10122.113492][ T7704] netlink_sendmsg+0x723/0xbe0 [10122.113492][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10122.113492][ T7704] ___sys_sendmsg+0xee/0x170 [10122.113492][ T7704] __sys_sendmsg+0xcd/0x170 [10122.113492][ T7704] do_syscall_64+0xc6/0x1e0 [10122.113492][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10122.113492][ T7704] [10122.127770][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10122.127770][ T7704] netdev_get_by_index+0x5e/0x80 [10122.127770][ T7704] fib6_nh_init+0x3d8/0x15b0 [10122.127770][ T7704] ip6_route_info_create+0xf18/0x17d0 [10122.127770][ T7704] ip6_route_add+0x1c/0x140 [10122.127770][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10122.127770][ T7704] addrconf_add_dev+0xe2/0x170 [10122.127770][ T7704] inet6_addr_add+0x12f/0xa40 [10122.127770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10122.127770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.127770][ T7704] netlink_rcv_skb+0x130/0x360 [10122.127770][ T7704] netlink_unicast+0x449/0x710 [10122.127770][ T7704] netlink_sendmsg+0x723/0xbe0 [10122.127770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10122.127770][ T7704] ___sys_sendmsg+0xee/0x170 [10122.127770][ T7704] __sys_sendmsg+0xcd/0x170 [10122.127770][ T7704] do_syscall_64+0xc6/0x1e0 [10122.127770][ T7704] [10122.137534][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10122.137534][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10122.137534][ T7704] ipv6_find_idev+0x102/0x170 [10122.137534][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10122.137534][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.137534][ T7704] netlink_rcv_skb+0x130/0x360 [10122.137534][ T7704] netlink_unicast+0x449/0x710 [10122.137534][ T7704] netlink_sendmsg+0x723/0xbe0 [10122.137534][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10122.137534][ T7704] ___sys_sendmsg+0xee/0x170 [10122.137534][ T7704] __sys_sendmsg+0xcd/0x170 [10122.137534][ T7704] do_syscall_64+0xc6/0x1e0 [10122.137534][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10122.137534][ T7704] [10122.140609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10122.140609][ T7704] neigh_parms_alloc+0x1e5/0x510 [10122.140609][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10122.140609][ T7704] ipv6_find_idev+0x102/0x170 [10122.140609][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10122.140609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.140609][ T7704] netlink_rcv_skb+0x130/0x360 [10122.140609][ T7704] netlink_unicast+0x449/0x710 [10122.140609][ T7704] netlink_sendmsg+0x723/0xbe0 [10122.140609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10122.140609][ T7704] ___sys_sendmsg+0xee/0x170 [10122.140609][ T7704] __sys_sendmsg+0xcd/0x170 [10122.140609][ T7704] do_syscall_64+0xc6/0x1e0 [10122.140609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10122.140609][ T7704] [10132.380834][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10132.381597][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10132.381597][ T7704] netdev_get_by_index+0x5e/0x80 [10132.381597][ T7704] fib6_nh_init+0x3d8/0x15b0 [10132.381597][ T7704] ip6_route_info_create+0xf18/0x17d0 [10132.381597][ T7704] ip6_route_add+0x1c/0x140 [10132.381597][ T7704] addrconf_prefix_route+0x2a6/0x430 [10132.381597][ T7704] inet6_addr_add+0x4f8/0xa40 [10132.381597][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10132.381597][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.381597][ T7704] netlink_rcv_skb+0x130/0x360 [10132.381597][ T7704] netlink_unicast+0x449/0x710 [10132.381597][ T7704] netlink_sendmsg+0x723/0xbe0 [10132.381597][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10132.381597][ T7704] ___sys_sendmsg+0xee/0x170 [10132.381597][ T7704] __sys_sendmsg+0xcd/0x170 [10132.381597][ T7704] do_syscall_64+0xc6/0x1e0 [10132.381597][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10132.381597][ T7704] [10132.411673][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10132.411673][ T7704] netdev_get_by_index+0x5e/0x80 [10132.411673][ T7704] fib6_nh_init+0x3d8/0x15b0 [10132.411673][ T7704] ip6_route_info_create+0xf18/0x17d0 [10132.411673][ T7704] addrconf_f6i_alloc+0x315/0x560 [10132.411673][ T7704] ipv6_add_addr+0x411/0x2000 [10132.411673][ T7704] inet6_addr_add+0x30e/0xa40 [10132.411673][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10132.411673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.411673][ T7704] netlink_rcv_skb+0x130/0x360 [10132.411673][ T7704] netlink_unicast+0x449/0x710 [10132.411673][ T7704] netlink_sendmsg+0x723/0xbe0 [10132.411673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10132.411673][ T7704] ___sys_sendmsg+0xee/0x170 [10132.411673][ T7704] __sys_sendmsg+0xcd/0x170 [10132.411673][ T7704] do_syscall_64+0xc6/0x1e0 [10132.411673][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10132.411673][ T7704] [10132.415649][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10132.415649][ T7704] netdev_get_by_index+0x5e/0x80 [10132.415649][ T7704] fib6_nh_init+0x3d8/0x15b0 [10132.415649][ T7704] ip6_route_info_create+0xf18/0x17d0 [10132.415649][ T7704] ip6_route_add+0x1c/0x140 [10132.415649][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10132.415649][ T7704] addrconf_add_dev+0xe2/0x170 [10132.415649][ T7704] inet6_addr_add+0x12f/0xa40 [10132.415649][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10132.415649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.415649][ T7704] netlink_rcv_skb+0x130/0x360 [10132.415649][ T7704] netlink_unicast+0x449/0x710 [10132.415649][ T7704] netlink_sendmsg+0x723/0xbe0 [10132.415649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10132.415649][ T7704] ___sys_sendmsg+0xee/0x170 [10132.415649][ T7704] __sys_sendmsg+0xcd/0x170 [10132.415649][ T7704] do_syscall_64+0xc6/0x1e0 [10132.415649][ T7704] [10132.419558][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10132.419558][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10132.419558][ T7704] ipv6_find_idev+0x102/0x170 [10132.419558][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10132.419558][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.419558][ T7704] netlink_rcv_skb+0x130/0x360 [10132.419558][ T7704] netlink_unicast+0x449/0x710 [10132.419558][ T7704] netlink_sendmsg+0x723/0xbe0 [10132.419558][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10132.419558][ T7704] ___sys_sendmsg+0xee/0x170 [10132.419558][ T7704] __sys_sendmsg+0xcd/0x170 [10132.419558][ T7704] do_syscall_64+0xc6/0x1e0 [10132.419558][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10132.419558][ T7704] [10132.422694][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10132.422694][ T7704] neigh_parms_alloc+0x1e5/0x510 [10132.422694][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10132.422694][ T7704] ipv6_find_idev+0x102/0x170 [10132.422694][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10132.422694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.422694][ T7704] netlink_rcv_skb+0x130/0x360 [10132.422694][ T7704] netlink_unicast+0x449/0x710 [10132.422694][ T7704] netlink_sendmsg+0x723/0xbe0 [10132.422694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10132.422694][ T7704] ___sys_sendmsg+0xee/0x170 [10132.422694][ T7704] __sys_sendmsg+0xcd/0x170 [10132.422694][ T7704] do_syscall_64+0xc6/0x1e0 [10132.422694][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10132.422694][ T7704] [10142.676846][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10142.694416][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10142.694416][ T7704] netdev_get_by_index+0x5e/0x80 [10142.694416][ T7704] fib6_nh_init+0x3d8/0x15b0 [10142.694416][ T7704] ip6_route_info_create+0xf18/0x17d0 [10142.694416][ T7704] ip6_route_add+0x1c/0x140 [10142.694416][ T7704] addrconf_prefix_route+0x2a6/0x430 [10142.694416][ T7704] inet6_addr_add+0x4f8/0xa40 [10142.694416][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10142.694416][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10142.694416][ T7704] netlink_rcv_skb+0x130/0x360 [10142.694416][ T7704] netlink_unicast+0x449/0x710 [10142.694416][ T7704] netlink_sendmsg+0x723/0xbe0 [10142.694416][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10142.694416][ T7704] ___sys_sendmsg+0xee/0x170 [10142.694416][ T7704] __sys_sendmsg+0xcd/0x170 [10142.694416][ T7704] do_syscall_64+0xc6/0x1e0 [10142.694416][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10142.694416][ T7704] [10142.699759][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10142.699759][ T7704] netdev_get_by_index+0x5e/0x80 [10142.699759][ T7704] fib6_nh_init+0x3d8/0x15b0 [10142.699759][ T7704] ip6_route_info_create+0xf18/0x17d0 [10142.699759][ T7704] addrconf_f6i_alloc+0x315/0x560 [10142.699759][ T7704] ipv6_add_addr+0x411/0x2000 [10142.699759][ T7704] inet6_addr_add+0x30e/0xa40 [10142.699759][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10142.699759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10142.699759][ T7704] netlink_rcv_skb+0x130/0x360 [10142.699759][ T7704] netlink_unicast+0x449/0x710 [10142.699759][ T7704] netlink_sendmsg+0x723/0xbe0 [10142.699759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10142.699759][ T7704] ___sys_sendmsg+0xee/0x170 [10142.699759][ T7704] __sys_sendmsg+0xcd/0x170 [10142.699759][ T7704] do_syscall_64+0xc6/0x1e0 [10142.699759][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10142.699759][ T7704] [10142.705890][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10142.705890][ T7704] netdev_get_by_index+0x5e/0x80 [10142.705890][ T7704] fib6_nh_init+0x3d8/0x15b0 [10142.705890][ T7704] ip6_route_info_create+0xf18/0x17d0 [10142.705890][ T7704] ip6_route_add+0x1c/0x140 [10142.705890][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10142.705890][ T7704] addrconf_add_dev+0xe2/0x170 [10142.705890][ T7704] inet6_addr_add+0x12f/0xa40 [10142.705890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10142.705890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10142.705890][ T7704] netlink_rcv_skb+0x130/0x360 [10142.705890][ T7704] netlink_unicast+0x449/0x710 [10142.705890][ T7704] netlink_sendmsg+0x723/0xbe0 [10142.705890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10142.705890][ T7704] ___sys_sendmsg+0xee/0x170 [10142.705890][ T7704] __sys_sendmsg+0xcd/0x170 [10142.705890][ T7704] do_syscall_64+0xc6/0x1e0 [10142.705890][ T7704] [10142.712266][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10142.712266][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10142.712266][ T7704] ipv6_find_idev+0x102/0x170 [10142.712266][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10142.712266][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10142.712266][ T7704] netlink_rcv_skb+0x130/0x360 [10142.712266][ T7704] netlink_unicast+0x449/0x710 [10142.712266][ T7704] netlink_sendmsg+0x723/0xbe0 [10142.712266][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10142.712266][ T7704] ___sys_sendmsg+0xee/0x170 [10142.712266][ T7704] __sys_sendmsg+0xcd/0x170 [10142.712266][ T7704] do_syscall_64+0xc6/0x1e0 [10142.712266][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10142.712266][ T7704] [10142.717279][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10142.717279][ T7704] neigh_parms_alloc+0x1e5/0x510 [10142.717279][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10142.717279][ T7704] ipv6_find_idev+0x102/0x170 [10142.717279][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10142.717279][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10142.717279][ T7704] netlink_rcv_skb+0x130/0x360 [10142.717279][ T7704] netlink_unicast+0x449/0x710 [10142.717279][ T7704] netlink_sendmsg+0x723/0xbe0 [10142.717279][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10142.717279][ T7704] ___sys_sendmsg+0xee/0x170 [10142.717279][ T7704] __sys_sendmsg+0xcd/0x170 [10142.717279][ T7704] do_syscall_64+0xc6/0x1e0 [10142.717279][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10142.717279][ T7704] [10152.964931][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10152.984139][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10152.984139][ T7704] netdev_get_by_index+0x5e/0x80 [10152.984139][ T7704] fib6_nh_init+0x3d8/0x15b0 [10152.984139][ T7704] ip6_route_info_create+0xf18/0x17d0 [10152.984139][ T7704] ip6_route_add+0x1c/0x140 [10152.984139][ T7704] addrconf_prefix_route+0x2a6/0x430 [10152.984139][ T7704] inet6_addr_add+0x4f8/0xa40 [10152.984139][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10152.984139][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10152.984139][ T7704] netlink_rcv_skb+0x130/0x360 [10152.984139][ T7704] netlink_unicast+0x449/0x710 [10152.984139][ T7704] netlink_sendmsg+0x723/0xbe0 [10152.984139][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10152.984139][ T7704] ___sys_sendmsg+0xee/0x170 [10152.984139][ T7704] __sys_sendmsg+0xcd/0x170 [10152.984139][ T7704] do_syscall_64+0xc6/0x1e0 [10152.984139][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10152.984139][ T7704] [10152.991168][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10152.991168][ T7704] netdev_get_by_index+0x5e/0x80 [10152.991168][ T7704] fib6_nh_init+0x3d8/0x15b0 [10152.991168][ T7704] ip6_route_info_create+0xf18/0x17d0 [10152.991168][ T7704] addrconf_f6i_alloc+0x315/0x560 [10152.991168][ T7704] ipv6_add_addr+0x411/0x2000 [10152.991168][ T7704] inet6_addr_add+0x30e/0xa40 [10152.991168][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10152.991168][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10152.991168][ T7704] netlink_rcv_skb+0x130/0x360 [10152.991168][ T7704] netlink_unicast+0x449/0x710 [10152.991168][ T7704] netlink_sendmsg+0x723/0xbe0 [10152.991168][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10152.991168][ T7704] ___sys_sendmsg+0xee/0x170 [10152.991168][ T7704] __sys_sendmsg+0xcd/0x170 [10152.991168][ T7704] do_syscall_64+0xc6/0x1e0 [10152.991168][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10152.991168][ T7704] [10153.065279][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10153.065279][ T7704] netdev_get_by_index+0x5e/0x80 [10153.065279][ T7704] fib6_nh_init+0x3d8/0x15b0 [10153.065279][ T7704] ip6_route_info_create+0xf18/0x17d0 [10153.065279][ T7704] ip6_route_add+0x1c/0x140 [10153.065279][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10153.065279][ T7704] addrconf_add_dev+0xe2/0x170 [10153.065279][ T7704] inet6_addr_add+0x12f/0xa40 [10153.065279][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10153.065279][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10153.065279][ T7704] netlink_rcv_skb+0x130/0x360 [10153.065279][ T7704] netlink_unicast+0x449/0x710 [10153.065279][ T7704] netlink_sendmsg+0x723/0xbe0 [10153.065279][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10153.065279][ T7704] ___sys_sendmsg+0xee/0x170 [10153.065279][ T7704] __sys_sendmsg+0xcd/0x170 [10153.065279][ T7704] do_syscall_64+0xc6/0x1e0 [10153.065279][ T7704] [10153.072328][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10153.072328][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10153.072328][ T7704] ipv6_find_idev+0x102/0x170 [10153.072328][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10153.072328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10153.072328][ T7704] netlink_rcv_skb+0x130/0x360 [10153.072328][ T7704] netlink_unicast+0x449/0x710 [10153.072328][ T7704] netlink_sendmsg+0x723/0xbe0 [10153.072328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10153.072328][ T7704] ___sys_sendmsg+0xee/0x170 [10153.072328][ T7704] __sys_sendmsg+0xcd/0x170 [10153.072328][ T7704] do_syscall_64+0xc6/0x1e0 [10153.072328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10153.072328][ T7704] [10153.087077][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10153.087077][ T7704] neigh_parms_alloc+0x1e5/0x510 [10153.087077][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10153.087077][ T7704] ipv6_find_idev+0x102/0x170 [10153.087077][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10153.087077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10153.087077][ T7704] netlink_rcv_skb+0x130/0x360 [10153.087077][ T7704] netlink_unicast+0x449/0x710 [10153.087077][ T7704] netlink_sendmsg+0x723/0xbe0 [10153.087077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10153.087077][ T7704] ___sys_sendmsg+0xee/0x170 [10153.087077][ T7704] __sys_sendmsg+0xcd/0x170 [10153.087077][ T7704] do_syscall_64+0xc6/0x1e0 [10153.087077][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10153.087077][ T7704] [10163.340845][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10163.355032][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10163.355032][ T7704] netdev_get_by_index+0x5e/0x80 [10163.355032][ T7704] fib6_nh_init+0x3d8/0x15b0 [10163.355032][ T7704] ip6_route_info_create+0xf18/0x17d0 [10163.355032][ T7704] ip6_route_add+0x1c/0x140 [10163.355032][ T7704] addrconf_prefix_route+0x2a6/0x430 [10163.355032][ T7704] inet6_addr_add+0x4f8/0xa40 [10163.355032][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10163.355032][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10163.355032][ T7704] netlink_rcv_skb+0x130/0x360 [10163.355032][ T7704] netlink_unicast+0x449/0x710 [10163.355032][ T7704] netlink_sendmsg+0x723/0xbe0 [10163.355032][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10163.355032][ T7704] ___sys_sendmsg+0xee/0x170 [10163.355032][ T7704] __sys_sendmsg+0xcd/0x170 [10163.355032][ T7704] do_syscall_64+0xc6/0x1e0 [10163.355032][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10163.355032][ T7704] [10163.359936][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10163.359936][ T7704] netdev_get_by_index+0x5e/0x80 [10163.359936][ T7704] fib6_nh_init+0x3d8/0x15b0 [10163.359936][ T7704] ip6_route_info_create+0xf18/0x17d0 [10163.359936][ T7704] addrconf_f6i_alloc+0x315/0x560 [10163.359936][ T7704] ipv6_add_addr+0x411/0x2000 [10163.359936][ T7704] inet6_addr_add+0x30e/0xa40 [10163.359936][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10163.359936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10163.359936][ T7704] netlink_rcv_skb+0x130/0x360 [10163.359936][ T7704] netlink_unicast+0x449/0x710 [10163.359936][ T7704] netlink_sendmsg+0x723/0xbe0 [10163.359936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10163.359936][ T7704] ___sys_sendmsg+0xee/0x170 [10163.359936][ T7704] __sys_sendmsg+0xcd/0x170 [10163.359936][ T7704] do_syscall_64+0xc6/0x1e0 [10163.359936][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10163.359936][ T7704] [10163.392805][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10163.392805][ T7704] netdev_get_by_index+0x5e/0x80 [10163.392805][ T7704] fib6_nh_init+0x3d8/0x15b0 [10163.392805][ T7704] ip6_route_info_create+0xf18/0x17d0 [10163.392805][ T7704] ip6_route_add+0x1c/0x140 [10163.392805][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10163.392805][ T7704] addrconf_add_dev+0xe2/0x170 [10163.392805][ T7704] inet6_addr_add+0x12f/0xa40 [10163.392805][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10163.392805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10163.392805][ T7704] netlink_rcv_skb+0x130/0x360 [10163.392805][ T7704] netlink_unicast+0x449/0x710 [10163.392805][ T7704] netlink_sendmsg+0x723/0xbe0 [10163.392805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10163.392805][ T7704] ___sys_sendmsg+0xee/0x170 [10163.392805][ T7704] __sys_sendmsg+0xcd/0x170 [10163.392805][ T7704] do_syscall_64+0xc6/0x1e0 [10163.392805][ T7704] [10163.398943][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10163.398943][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10163.398943][ T7704] ipv6_find_idev+0x102/0x170 [10163.398943][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10163.398943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10163.398943][ T7704] netlink_rcv_skb+0x130/0x360 [10163.398943][ T7704] netlink_unicast+0x449/0x710 [10163.398943][ T7704] netlink_sendmsg+0x723/0xbe0 [10163.398943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10163.398943][ T7704] ___sys_sendmsg+0xee/0x170 [10163.398943][ T7704] __sys_sendmsg+0xcd/0x170 [10163.398943][ T7704] do_syscall_64+0xc6/0x1e0 [10163.398943][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10163.398943][ T7704] [10163.414420][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10163.414420][ T7704] neigh_parms_alloc+0x1e5/0x510 [10163.414420][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10163.414420][ T7704] ipv6_find_idev+0x102/0x170 [10163.414420][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10163.414420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10163.414420][ T7704] netlink_rcv_skb+0x130/0x360 [10163.414420][ T7704] netlink_unicast+0x449/0x710 [10163.414420][ T7704] netlink_sendmsg+0x723/0xbe0 [10163.414420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10163.414420][ T7704] ___sys_sendmsg+0xee/0x170 [10163.414420][ T7704] __sys_sendmsg+0xcd/0x170 [10163.414420][ T7704] do_syscall_64+0xc6/0x1e0 [10163.414420][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10163.414420][ T7704] [10173.668897][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10173.677432][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10173.677432][ T7704] netdev_get_by_index+0x5e/0x80 [10173.677432][ T7704] fib6_nh_init+0x3d8/0x15b0 [10173.677432][ T7704] ip6_route_info_create+0xf18/0x17d0 [10173.677432][ T7704] ip6_route_add+0x1c/0x140 [10173.677432][ T7704] addrconf_prefix_route+0x2a6/0x430 [10173.677432][ T7704] inet6_addr_add+0x4f8/0xa40 [10173.677432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10173.677432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10173.677432][ T7704] netlink_rcv_skb+0x130/0x360 [10173.677432][ T7704] netlink_unicast+0x449/0x710 [10173.677432][ T7704] netlink_sendmsg+0x723/0xbe0 [10173.677432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10173.677432][ T7704] ___sys_sendmsg+0xee/0x170 [10173.677432][ T7704] __sys_sendmsg+0xcd/0x170 [10173.677432][ T7704] do_syscall_64+0xc6/0x1e0 [10173.677432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10173.677432][ T7704] [10173.683919][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10173.683919][ T7704] netdev_get_by_index+0x5e/0x80 [10173.683919][ T7704] fib6_nh_init+0x3d8/0x15b0 [10173.683919][ T7704] ip6_route_info_create+0xf18/0x17d0 [10173.683919][ T7704] addrconf_f6i_alloc+0x315/0x560 [10173.683919][ T7704] ipv6_add_addr+0x411/0x2000 [10173.683919][ T7704] inet6_addr_add+0x30e/0xa40 [10173.683919][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10173.683919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10173.683919][ T7704] netlink_rcv_skb+0x130/0x360 [10173.683919][ T7704] netlink_unicast+0x449/0x710 [10173.683919][ T7704] netlink_sendmsg+0x723/0xbe0 [10173.683919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10173.683919][ T7704] ___sys_sendmsg+0xee/0x170 [10173.683919][ T7704] __sys_sendmsg+0xcd/0x170 [10173.683919][ T7704] do_syscall_64+0xc6/0x1e0 [10173.683919][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10173.683919][ T7704] [10173.705561][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10173.705561][ T7704] netdev_get_by_index+0x5e/0x80 [10173.705561][ T7704] fib6_nh_init+0x3d8/0x15b0 [10173.705561][ T7704] ip6_route_info_create+0xf18/0x17d0 [10173.705561][ T7704] ip6_route_add+0x1c/0x140 [10173.705561][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10173.705561][ T7704] addrconf_add_dev+0xe2/0x170 [10173.705561][ T7704] inet6_addr_add+0x12f/0xa40 [10173.705561][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10173.705561][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10173.705561][ T7704] netlink_rcv_skb+0x130/0x360 [10173.705561][ T7704] netlink_unicast+0x449/0x710 [10173.705561][ T7704] netlink_sendmsg+0x723/0xbe0 [10173.705561][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10173.705561][ T7704] ___sys_sendmsg+0xee/0x170 [10173.705561][ T7704] __sys_sendmsg+0xcd/0x170 [10173.705561][ T7704] do_syscall_64+0xc6/0x1e0 [10173.705561][ T7704] [10173.712690][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10173.712690][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10173.712690][ T7704] ipv6_find_idev+0x102/0x170 [10173.712690][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10173.712690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10173.712690][ T7704] netlink_rcv_skb+0x130/0x360 [10173.712690][ T7704] netlink_unicast+0x449/0x710 [10173.712690][ T7704] netlink_sendmsg+0x723/0xbe0 [10173.712690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10173.712690][ T7704] ___sys_sendmsg+0xee/0x170 [10173.712690][ T7704] __sys_sendmsg+0xcd/0x170 [10173.712690][ T7704] do_syscall_64+0xc6/0x1e0 [10173.712690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10173.712690][ T7704] [10173.736602][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10173.736602][ T7704] neigh_parms_alloc+0x1e5/0x510 [10173.736602][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10173.736602][ T7704] ipv6_find_idev+0x102/0x170 [10173.736602][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10173.736602][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10173.736602][ T7704] netlink_rcv_skb+0x130/0x360 [10173.736602][ T7704] netlink_unicast+0x449/0x710 [10173.736602][ T7704] netlink_sendmsg+0x723/0xbe0 [10173.736602][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10173.736602][ T7704] ___sys_sendmsg+0xee/0x170 [10173.736602][ T7704] __sys_sendmsg+0xcd/0x170 [10173.736602][ T7704] do_syscall_64+0xc6/0x1e0 [10173.736602][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10173.736602][ T7704] [10183.980850][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10184.034004][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10184.034004][ T7704] netdev_get_by_index+0x5e/0x80 [10184.034004][ T7704] fib6_nh_init+0x3d8/0x15b0 [10184.034004][ T7704] ip6_route_info_create+0xf18/0x17d0 [10184.034004][ T7704] ip6_route_add+0x1c/0x140 [10184.034004][ T7704] addrconf_prefix_route+0x2a6/0x430 [10184.034004][ T7704] inet6_addr_add+0x4f8/0xa40 [10184.034004][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10184.034004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10184.034004][ T7704] netlink_rcv_skb+0x130/0x360 [10184.034004][ T7704] netlink_unicast+0x449/0x710 [10184.034004][ T7704] netlink_sendmsg+0x723/0xbe0 [10184.034004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10184.034004][ T7704] ___sys_sendmsg+0xee/0x170 [10184.034004][ T7704] __sys_sendmsg+0xcd/0x170 [10184.034004][ T7704] do_syscall_64+0xc6/0x1e0 [10184.034004][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10184.034004][ T7704] [10184.039005][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10184.039005][ T7704] netdev_get_by_index+0x5e/0x80 [10184.039005][ T7704] fib6_nh_init+0x3d8/0x15b0 [10184.039005][ T7704] ip6_route_info_create+0xf18/0x17d0 [10184.039005][ T7704] addrconf_f6i_alloc+0x315/0x560 [10184.039005][ T7704] ipv6_add_addr+0x411/0x2000 [10184.039005][ T7704] inet6_addr_add+0x30e/0xa40 [10184.039005][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10184.039005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10184.039005][ T7704] netlink_rcv_skb+0x130/0x360 [10184.039005][ T7704] netlink_unicast+0x449/0x710 [10184.039005][ T7704] netlink_sendmsg+0x723/0xbe0 [10184.039005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10184.039005][ T7704] ___sys_sendmsg+0xee/0x170 [10184.039005][ T7704] __sys_sendmsg+0xcd/0x170 [10184.039005][ T7704] do_syscall_64+0xc6/0x1e0 [10184.039005][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10184.039005][ T7704] [10184.044659][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10184.044659][ T7704] netdev_get_by_index+0x5e/0x80 [10184.044659][ T7704] fib6_nh_init+0x3d8/0x15b0 [10184.044659][ T7704] ip6_route_info_create+0xf18/0x17d0 [10184.044659][ T7704] ip6_route_add+0x1c/0x140 [10184.044659][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10184.044659][ T7704] addrconf_add_dev+0xe2/0x170 [10184.044659][ T7704] inet6_addr_add+0x12f/0xa40 [10184.044659][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10184.044659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10184.044659][ T7704] netlink_rcv_skb+0x130/0x360 [10184.044659][ T7704] netlink_unicast+0x449/0x710 [10184.044659][ T7704] netlink_sendmsg+0x723/0xbe0 [10184.044659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10184.044659][ T7704] ___sys_sendmsg+0xee/0x170 [10184.044659][ T7704] __sys_sendmsg+0xcd/0x170 [10184.044659][ T7704] do_syscall_64+0xc6/0x1e0 [10184.044659][ T7704] [10184.050899][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10184.050899][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10184.050899][ T7704] ipv6_find_idev+0x102/0x170 [10184.050899][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10184.050899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10184.050899][ T7704] netlink_rcv_skb+0x130/0x360 [10184.050899][ T7704] netlink_unicast+0x449/0x710 [10184.050899][ T7704] netlink_sendmsg+0x723/0xbe0 [10184.050899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10184.050899][ T7704] ___sys_sendmsg+0xee/0x170 [10184.050899][ T7704] __sys_sendmsg+0xcd/0x170 [10184.050899][ T7704] do_syscall_64+0xc6/0x1e0 [10184.050899][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10184.050899][ T7704] [10184.095210][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10184.095210][ T7704] neigh_parms_alloc+0x1e5/0x510 [10184.095210][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10184.095210][ T7704] ipv6_find_idev+0x102/0x170 [10184.095210][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10184.095210][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10184.095210][ T7704] netlink_rcv_skb+0x130/0x360 [10184.095210][ T7704] netlink_unicast+0x449/0x710 [10184.095210][ T7704] netlink_sendmsg+0x723/0xbe0 [10184.095210][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10184.095210][ T7704] ___sys_sendmsg+0xee/0x170 [10184.095210][ T7704] __sys_sendmsg+0xcd/0x170 [10184.095210][ T7704] do_syscall_64+0xc6/0x1e0 [10184.095210][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10184.095210][ T7704] [10194.340853][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10194.365623][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10194.365623][ T7704] netdev_get_by_index+0x5e/0x80 [10194.365623][ T7704] fib6_nh_init+0x3d8/0x15b0 [10194.365623][ T7704] ip6_route_info_create+0xf18/0x17d0 [10194.365623][ T7704] ip6_route_add+0x1c/0x140 [10194.365623][ T7704] addrconf_prefix_route+0x2a6/0x430 [10194.365623][ T7704] inet6_addr_add+0x4f8/0xa40 [10194.365623][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10194.365623][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10194.365623][ T7704] netlink_rcv_skb+0x130/0x360 [10194.365623][ T7704] netlink_unicast+0x449/0x710 [10194.365623][ T7704] netlink_sendmsg+0x723/0xbe0 [10194.365623][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10194.365623][ T7704] ___sys_sendmsg+0xee/0x170 [10194.365623][ T7704] __sys_sendmsg+0xcd/0x170 [10194.365623][ T7704] do_syscall_64+0xc6/0x1e0 [10194.365623][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10194.365623][ T7704] [10194.370171][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10194.370171][ T7704] netdev_get_by_index+0x5e/0x80 [10194.370171][ T7704] fib6_nh_init+0x3d8/0x15b0 [10194.370171][ T7704] ip6_route_info_create+0xf18/0x17d0 [10194.370171][ T7704] addrconf_f6i_alloc+0x315/0x560 [10194.370171][ T7704] ipv6_add_addr+0x411/0x2000 [10194.370171][ T7704] inet6_addr_add+0x30e/0xa40 [10194.370171][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10194.370171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10194.370171][ T7704] netlink_rcv_skb+0x130/0x360 [10194.370171][ T7704] netlink_unicast+0x449/0x710 [10194.370171][ T7704] netlink_sendmsg+0x723/0xbe0 [10194.370171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10194.370171][ T7704] ___sys_sendmsg+0xee/0x170 [10194.370171][ T7704] __sys_sendmsg+0xcd/0x170 [10194.370171][ T7704] do_syscall_64+0xc6/0x1e0 [10194.370171][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10194.370171][ T7704] [10194.374865][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10194.374865][ T7704] netdev_get_by_index+0x5e/0x80 [10194.374865][ T7704] fib6_nh_init+0x3d8/0x15b0 [10194.374865][ T7704] ip6_route_info_create+0xf18/0x17d0 [10194.374865][ T7704] ip6_route_add+0x1c/0x140 [10194.374865][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10194.374865][ T7704] addrconf_add_dev+0xe2/0x170 [10194.374865][ T7704] inet6_addr_add+0x12f/0xa40 [10194.374865][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10194.374865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10194.374865][ T7704] netlink_rcv_skb+0x130/0x360 [10194.374865][ T7704] netlink_unicast+0x449/0x710 [10194.374865][ T7704] netlink_sendmsg+0x723/0xbe0 [10194.374865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10194.374865][ T7704] ___sys_sendmsg+0xee/0x170 [10194.374865][ T7704] __sys_sendmsg+0xcd/0x170 [10194.374865][ T7704] do_syscall_64+0xc6/0x1e0 [10194.374865][ T7704] [10194.378616][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10194.378616][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10194.378616][ T7704] ipv6_find_idev+0x102/0x170 [10194.378616][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10194.378616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10194.378616][ T7704] netlink_rcv_skb+0x130/0x360 [10194.378616][ T7704] netlink_unicast+0x449/0x710 [10194.378616][ T7704] netlink_sendmsg+0x723/0xbe0 [10194.378616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10194.378616][ T7704] ___sys_sendmsg+0xee/0x170 [10194.378616][ T7704] __sys_sendmsg+0xcd/0x170 [10194.378616][ T7704] do_syscall_64+0xc6/0x1e0 [10194.378616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10194.378616][ T7704] [10194.387547][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10194.387547][ T7704] neigh_parms_alloc+0x1e5/0x510 [10194.387547][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10194.387547][ T7704] ipv6_find_idev+0x102/0x170 [10194.387547][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10194.387547][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10194.387547][ T7704] netlink_rcv_skb+0x130/0x360 [10194.387547][ T7704] netlink_unicast+0x449/0x710 [10194.387547][ T7704] netlink_sendmsg+0x723/0xbe0 [10194.387547][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10194.387547][ T7704] ___sys_sendmsg+0xee/0x170 [10194.387547][ T7704] __sys_sendmsg+0xcd/0x170 [10194.387547][ T7704] do_syscall_64+0xc6/0x1e0 [10194.387547][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10194.387547][ T7704] [10204.676984][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10204.693926][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10204.693926][ T7704] netdev_get_by_index+0x5e/0x80 [10204.693926][ T7704] fib6_nh_init+0x3d8/0x15b0 [10204.693926][ T7704] ip6_route_info_create+0xf18/0x17d0 [10204.693926][ T7704] ip6_route_add+0x1c/0x140 [10204.693926][ T7704] addrconf_prefix_route+0x2a6/0x430 [10204.693926][ T7704] inet6_addr_add+0x4f8/0xa40 [10204.693926][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10204.693926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10204.693926][ T7704] netlink_rcv_skb+0x130/0x360 [10204.693926][ T7704] netlink_unicast+0x449/0x710 [10204.693926][ T7704] netlink_sendmsg+0x723/0xbe0 [10204.693926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10204.693926][ T7704] ___sys_sendmsg+0xee/0x170 [10204.693926][ T7704] __sys_sendmsg+0xcd/0x170 [10204.693926][ T7704] do_syscall_64+0xc6/0x1e0 [10204.693926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10204.693926][ T7704] [10204.700162][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10204.700162][ T7704] netdev_get_by_index+0x5e/0x80 [10204.700162][ T7704] fib6_nh_init+0x3d8/0x15b0 [10204.700162][ T7704] ip6_route_info_create+0xf18/0x17d0 [10204.700162][ T7704] addrconf_f6i_alloc+0x315/0x560 [10204.700162][ T7704] ipv6_add_addr+0x411/0x2000 [10204.700162][ T7704] inet6_addr_add+0x30e/0xa40 [10204.700162][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10204.700162][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10204.700162][ T7704] netlink_rcv_skb+0x130/0x360 [10204.700162][ T7704] netlink_unicast+0x449/0x710 [10204.700162][ T7704] netlink_sendmsg+0x723/0xbe0 [10204.700162][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10204.700162][ T7704] ___sys_sendmsg+0xee/0x170 [10204.700162][ T7704] __sys_sendmsg+0xcd/0x170 [10204.700162][ T7704] do_syscall_64+0xc6/0x1e0 [10204.700162][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10204.700162][ T7704] [10204.735217][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10204.735217][ T7704] netdev_get_by_index+0x5e/0x80 [10204.735217][ T7704] fib6_nh_init+0x3d8/0x15b0 [10204.735217][ T7704] ip6_route_info_create+0xf18/0x17d0 [10204.735217][ T7704] ip6_route_add+0x1c/0x140 [10204.735217][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10204.735217][ T7704] addrconf_add_dev+0xe2/0x170 [10204.735217][ T7704] inet6_addr_add+0x12f/0xa40 [10204.735217][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10204.735217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10204.735217][ T7704] netlink_rcv_skb+0x130/0x360 [10204.735217][ T7704] netlink_unicast+0x449/0x710 [10204.735217][ T7704] netlink_sendmsg+0x723/0xbe0 [10204.735217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10204.735217][ T7704] ___sys_sendmsg+0xee/0x170 [10204.735217][ T7704] __sys_sendmsg+0xcd/0x170 [10204.735217][ T7704] do_syscall_64+0xc6/0x1e0 [10204.735217][ T7704] [10204.747637][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10204.747637][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10204.747637][ T7704] ipv6_find_idev+0x102/0x170 [10204.747637][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10204.747637][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10204.747637][ T7704] netlink_rcv_skb+0x130/0x360 [10204.747637][ T7704] netlink_unicast+0x449/0x710 [10204.747637][ T7704] netlink_sendmsg+0x723/0xbe0 [10204.747637][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10204.747637][ T7704] ___sys_sendmsg+0xee/0x170 [10204.747637][ T7704] __sys_sendmsg+0xcd/0x170 [10204.747637][ T7704] do_syscall_64+0xc6/0x1e0 [10204.747637][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10204.747637][ T7704] [10204.753288][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10204.753288][ T7704] neigh_parms_alloc+0x1e5/0x510 [10204.753288][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10204.753288][ T7704] ipv6_find_idev+0x102/0x170 [10204.753288][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10204.753288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10204.753288][ T7704] netlink_rcv_skb+0x130/0x360 [10204.753288][ T7704] netlink_unicast+0x449/0x710 [10204.753288][ T7704] netlink_sendmsg+0x723/0xbe0 [10204.753288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10204.753288][ T7704] ___sys_sendmsg+0xee/0x170 [10204.753288][ T7704] __sys_sendmsg+0xcd/0x170 [10204.753288][ T7704] do_syscall_64+0xc6/0x1e0 [10204.753288][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10204.753288][ T7704] [10215.036936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10215.051877][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10215.051877][ T7704] netdev_get_by_index+0x5e/0x80 [10215.051877][ T7704] fib6_nh_init+0x3d8/0x15b0 [10215.051877][ T7704] ip6_route_info_create+0xf18/0x17d0 [10215.051877][ T7704] ip6_route_add+0x1c/0x140 [10215.051877][ T7704] addrconf_prefix_route+0x2a6/0x430 [10215.051877][ T7704] inet6_addr_add+0x4f8/0xa40 [10215.051877][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10215.051877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10215.051877][ T7704] netlink_rcv_skb+0x130/0x360 [10215.051877][ T7704] netlink_unicast+0x449/0x710 [10215.051877][ T7704] netlink_sendmsg+0x723/0xbe0 [10215.051877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10215.051877][ T7704] ___sys_sendmsg+0xee/0x170 [10215.051877][ T7704] __sys_sendmsg+0xcd/0x170 [10215.051877][ T7704] do_syscall_64+0xc6/0x1e0 [10215.051877][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10215.051877][ T7704] [10215.065405][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10215.065405][ T7704] netdev_get_by_index+0x5e/0x80 [10215.065405][ T7704] fib6_nh_init+0x3d8/0x15b0 [10215.065405][ T7704] ip6_route_info_create+0xf18/0x17d0 [10215.065405][ T7704] addrconf_f6i_alloc+0x315/0x560 [10215.065405][ T7704] ipv6_add_addr+0x411/0x2000 [10215.065405][ T7704] inet6_addr_add+0x30e/0xa40 [10215.065405][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10215.065405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10215.065405][ T7704] netlink_rcv_skb+0x130/0x360 [10215.065405][ T7704] netlink_unicast+0x449/0x710 [10215.065405][ T7704] netlink_sendmsg+0x723/0xbe0 [10215.065405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10215.065405][ T7704] ___sys_sendmsg+0xee/0x170 [10215.065405][ T7704] __sys_sendmsg+0xcd/0x170 [10215.065405][ T7704] do_syscall_64+0xc6/0x1e0 [10215.065405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10215.065405][ T7704] [10215.084328][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10215.084328][ T7704] netdev_get_by_index+0x5e/0x80 [10215.084328][ T7704] fib6_nh_init+0x3d8/0x15b0 [10215.084328][ T7704] ip6_route_info_create+0xf18/0x17d0 [10215.084328][ T7704] ip6_route_add+0x1c/0x140 [10215.084328][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10215.084328][ T7704] addrconf_add_dev+0xe2/0x170 [10215.084328][ T7704] inet6_addr_add+0x12f/0xa40 [10215.084328][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10215.084328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10215.084328][ T7704] netlink_rcv_skb+0x130/0x360 [10215.084328][ T7704] netlink_unicast+0x449/0x710 [10215.084328][ T7704] netlink_sendmsg+0x723/0xbe0 [10215.084328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10215.084328][ T7704] ___sys_sendmsg+0xee/0x170 [10215.084328][ T7704] __sys_sendmsg+0xcd/0x170 [10215.084328][ T7704] do_syscall_64+0xc6/0x1e0 [10215.084328][ T7704] [10215.109328][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10215.109328][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10215.109328][ T7704] ipv6_find_idev+0x102/0x170 [10215.109328][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10215.109328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10215.109328][ T7704] netlink_rcv_skb+0x130/0x360 [10215.109328][ T7704] netlink_unicast+0x449/0x710 [10215.109328][ T7704] netlink_sendmsg+0x723/0xbe0 [10215.109328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10215.109328][ T7704] ___sys_sendmsg+0xee/0x170 [10215.109328][ T7704] __sys_sendmsg+0xcd/0x170 [10215.109328][ T7704] do_syscall_64+0xc6/0x1e0 [10215.109328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10215.109328][ T7704] [10215.126091][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10215.126091][ T7704] neigh_parms_alloc+0x1e5/0x510 [10215.126091][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10215.126091][ T7704] ipv6_find_idev+0x102/0x170 [10215.126091][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10215.126091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10215.126091][ T7704] netlink_rcv_skb+0x130/0x360 [10215.126091][ T7704] netlink_unicast+0x449/0x710 [10215.126091][ T7704] netlink_sendmsg+0x723/0xbe0 [10215.126091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10215.126091][ T7704] ___sys_sendmsg+0xee/0x170 [10215.126091][ T7704] __sys_sendmsg+0xcd/0x170 [10215.126091][ T7704] do_syscall_64+0xc6/0x1e0 [10215.126091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10215.126091][ T7704] [10225.388850][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10225.414282][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10225.414282][ T7704] netdev_get_by_index+0x5e/0x80 [10225.414282][ T7704] fib6_nh_init+0x3d8/0x15b0 [10225.414282][ T7704] ip6_route_info_create+0xf18/0x17d0 [10225.414282][ T7704] ip6_route_add+0x1c/0x140 [10225.414282][ T7704] addrconf_prefix_route+0x2a6/0x430 [10225.414282][ T7704] inet6_addr_add+0x4f8/0xa40 [10225.414282][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10225.414282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10225.414282][ T7704] netlink_rcv_skb+0x130/0x360 [10225.414282][ T7704] netlink_unicast+0x449/0x710 [10225.414282][ T7704] netlink_sendmsg+0x723/0xbe0 [10225.414282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10225.414282][ T7704] ___sys_sendmsg+0xee/0x170 [10225.414282][ T7704] __sys_sendmsg+0xcd/0x170 [10225.414282][ T7704] do_syscall_64+0xc6/0x1e0 [10225.414282][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10225.414282][ T7704] [10225.418424][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10225.418424][ T7704] netdev_get_by_index+0x5e/0x80 [10225.418424][ T7704] fib6_nh_init+0x3d8/0x15b0 [10225.418424][ T7704] ip6_route_info_create+0xf18/0x17d0 [10225.418424][ T7704] addrconf_f6i_alloc+0x315/0x560 [10225.418424][ T7704] ipv6_add_addr+0x411/0x2000 [10225.418424][ T7704] inet6_addr_add+0x30e/0xa40 [10225.418424][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10225.418424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10225.418424][ T7704] netlink_rcv_skb+0x130/0x360 [10225.418424][ T7704] netlink_unicast+0x449/0x710 [10225.418424][ T7704] netlink_sendmsg+0x723/0xbe0 [10225.418424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10225.418424][ T7704] ___sys_sendmsg+0xee/0x170 [10225.418424][ T7704] __sys_sendmsg+0xcd/0x170 [10225.418424][ T7704] do_syscall_64+0xc6/0x1e0 [10225.418424][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10225.418424][ T7704] [10225.422506][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10225.422506][ T7704] netdev_get_by_index+0x5e/0x80 [10225.422506][ T7704] fib6_nh_init+0x3d8/0x15b0 [10225.422506][ T7704] ip6_route_info_create+0xf18/0x17d0 [10225.422506][ T7704] ip6_route_add+0x1c/0x140 [10225.422506][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10225.422506][ T7704] addrconf_add_dev+0xe2/0x170 [10225.422506][ T7704] inet6_addr_add+0x12f/0xa40 [10225.422506][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10225.422506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10225.422506][ T7704] netlink_rcv_skb+0x130/0x360 [10225.422506][ T7704] netlink_unicast+0x449/0x710 [10225.422506][ T7704] netlink_sendmsg+0x723/0xbe0 [10225.422506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10225.422506][ T7704] ___sys_sendmsg+0xee/0x170 [10225.422506][ T7704] __sys_sendmsg+0xcd/0x170 [10225.422506][ T7704] do_syscall_64+0xc6/0x1e0 [10225.422506][ T7704] [10225.426786][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10225.426786][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10225.426786][ T7704] ipv6_find_idev+0x102/0x170 [10225.426786][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10225.426786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10225.426786][ T7704] netlink_rcv_skb+0x130/0x360 [10225.426786][ T7704] netlink_unicast+0x449/0x710 [10225.426786][ T7704] netlink_sendmsg+0x723/0xbe0 [10225.426786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10225.426786][ T7704] ___sys_sendmsg+0xee/0x170 [10225.426786][ T7704] __sys_sendmsg+0xcd/0x170 [10225.426786][ T7704] do_syscall_64+0xc6/0x1e0 [10225.426786][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10225.426786][ T7704] [10225.429968][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10225.429968][ T7704] neigh_parms_alloc+0x1e5/0x510 [10225.429968][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10225.429968][ T7704] ipv6_find_idev+0x102/0x170 [10225.429968][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10225.429968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10225.429968][ T7704] netlink_rcv_skb+0x130/0x360 [10225.429968][ T7704] netlink_unicast+0x449/0x710 [10225.429968][ T7704] netlink_sendmsg+0x723/0xbe0 [10225.429968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10225.429968][ T7704] ___sys_sendmsg+0xee/0x170 [10225.429968][ T7704] __sys_sendmsg+0xcd/0x170 [10225.429968][ T7704] do_syscall_64+0xc6/0x1e0 [10225.429968][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10225.429968][ T7704] [10235.668954][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10235.679542][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10235.679542][ T7704] netdev_get_by_index+0x5e/0x80 [10235.679542][ T7704] fib6_nh_init+0x3d8/0x15b0 [10235.679542][ T7704] ip6_route_info_create+0xf18/0x17d0 [10235.679542][ T7704] ip6_route_add+0x1c/0x140 [10235.679542][ T7704] addrconf_prefix_route+0x2a6/0x430 [10235.679542][ T7704] inet6_addr_add+0x4f8/0xa40 [10235.679542][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10235.679542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10235.679542][ T7704] netlink_rcv_skb+0x130/0x360 [10235.679542][ T7704] netlink_unicast+0x449/0x710 [10235.679542][ T7704] netlink_sendmsg+0x723/0xbe0 [10235.679542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10235.679542][ T7704] ___sys_sendmsg+0xee/0x170 [10235.679542][ T7704] __sys_sendmsg+0xcd/0x170 [10235.679542][ T7704] do_syscall_64+0xc6/0x1e0 [10235.679542][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10235.679542][ T7704] [10235.684765][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10235.684765][ T7704] netdev_get_by_index+0x5e/0x80 [10235.684765][ T7704] fib6_nh_init+0x3d8/0x15b0 [10235.684765][ T7704] ip6_route_info_create+0xf18/0x17d0 [10235.684765][ T7704] addrconf_f6i_alloc+0x315/0x560 [10235.684765][ T7704] ipv6_add_addr+0x411/0x2000 [10235.684765][ T7704] inet6_addr_add+0x30e/0xa40 [10235.684765][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10235.684765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10235.684765][ T7704] netlink_rcv_skb+0x130/0x360 [10235.684765][ T7704] netlink_unicast+0x449/0x710 [10235.684765][ T7704] netlink_sendmsg+0x723/0xbe0 [10235.684765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10235.684765][ T7704] ___sys_sendmsg+0xee/0x170 [10235.684765][ T7704] __sys_sendmsg+0xcd/0x170 [10235.684765][ T7704] do_syscall_64+0xc6/0x1e0 [10235.684765][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10235.684765][ T7704] [10235.692005][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10235.692005][ T7704] netdev_get_by_index+0x5e/0x80 [10235.692005][ T7704] fib6_nh_init+0x3d8/0x15b0 [10235.692005][ T7704] ip6_route_info_create+0xf18/0x17d0 [10235.692005][ T7704] ip6_route_add+0x1c/0x140 [10235.692005][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10235.692005][ T7704] addrconf_add_dev+0xe2/0x170 [10235.692005][ T7704] inet6_addr_add+0x12f/0xa40 [10235.692005][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10235.692005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10235.692005][ T7704] netlink_rcv_skb+0x130/0x360 [10235.692005][ T7704] netlink_unicast+0x449/0x710 [10235.692005][ T7704] netlink_sendmsg+0x723/0xbe0 [10235.692005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10235.692005][ T7704] ___sys_sendmsg+0xee/0x170 [10235.692005][ T7704] __sys_sendmsg+0xcd/0x170 [10235.692005][ T7704] do_syscall_64+0xc6/0x1e0 [10235.692005][ T7704] [10235.698977][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10235.698977][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10235.698977][ T7704] ipv6_find_idev+0x102/0x170 [10235.698977][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10235.698977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10235.698977][ T7704] netlink_rcv_skb+0x130/0x360 [10235.698977][ T7704] netlink_unicast+0x449/0x710 [10235.698977][ T7704] netlink_sendmsg+0x723/0xbe0 [10235.698977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10235.698977][ T7704] ___sys_sendmsg+0xee/0x170 [10235.698977][ T7704] __sys_sendmsg+0xcd/0x170 [10235.698977][ T7704] do_syscall_64+0xc6/0x1e0 [10235.698977][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10235.698977][ T7704] [10235.715097][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10235.715097][ T7704] neigh_parms_alloc+0x1e5/0x510 [10235.715097][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10235.715097][ T7704] ipv6_find_idev+0x102/0x170 [10235.715097][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10235.715097][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10235.715097][ T7704] netlink_rcv_skb+0x130/0x360 [10235.715097][ T7704] netlink_unicast+0x449/0x710 [10235.715097][ T7704] netlink_sendmsg+0x723/0xbe0 [10235.715097][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10235.715097][ T7704] ___sys_sendmsg+0xee/0x170 [10235.715097][ T7704] __sys_sendmsg+0xcd/0x170 [10235.715097][ T7704] do_syscall_64+0xc6/0x1e0 [10235.715097][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10235.715097][ T7704] [10246.004991][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10246.043734][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10246.043734][ T7704] netdev_get_by_index+0x5e/0x80 [10246.043734][ T7704] fib6_nh_init+0x3d8/0x15b0 [10246.043734][ T7704] ip6_route_info_create+0xf18/0x17d0 [10246.043734][ T7704] ip6_route_add+0x1c/0x140 [10246.043734][ T7704] addrconf_prefix_route+0x2a6/0x430 [10246.043734][ T7704] inet6_addr_add+0x4f8/0xa40 [10246.043734][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10246.043734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10246.043734][ T7704] netlink_rcv_skb+0x130/0x360 [10246.043734][ T7704] netlink_unicast+0x449/0x710 [10246.043734][ T7704] netlink_sendmsg+0x723/0xbe0 [10246.043734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10246.043734][ T7704] ___sys_sendmsg+0xee/0x170 [10246.043734][ T7704] __sys_sendmsg+0xcd/0x170 [10246.043734][ T7704] do_syscall_64+0xc6/0x1e0 [10246.043734][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10246.043734][ T7704] [10246.048928][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10246.048928][ T7704] netdev_get_by_index+0x5e/0x80 [10246.048928][ T7704] fib6_nh_init+0x3d8/0x15b0 [10246.048928][ T7704] ip6_route_info_create+0xf18/0x17d0 [10246.048928][ T7704] addrconf_f6i_alloc+0x315/0x560 [10246.048928][ T7704] ipv6_add_addr+0x411/0x2000 [10246.048928][ T7704] inet6_addr_add+0x30e/0xa40 [10246.048928][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10246.048928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10246.048928][ T7704] netlink_rcv_skb+0x130/0x360 [10246.048928][ T7704] netlink_unicast+0x449/0x710 [10246.048928][ T7704] netlink_sendmsg+0x723/0xbe0 [10246.048928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10246.048928][ T7704] ___sys_sendmsg+0xee/0x170 [10246.048928][ T7704] __sys_sendmsg+0xcd/0x170 [10246.048928][ T7704] do_syscall_64+0xc6/0x1e0 [10246.048928][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10246.048928][ T7704] [10246.109485][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10246.109485][ T7704] netdev_get_by_index+0x5e/0x80 [10246.109485][ T7704] fib6_nh_init+0x3d8/0x15b0 [10246.109485][ T7704] ip6_route_info_create+0xf18/0x17d0 [10246.109485][ T7704] ip6_route_add+0x1c/0x140 [10246.109485][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10246.109485][ T7704] addrconf_add_dev+0xe2/0x170 [10246.109485][ T7704] inet6_addr_add+0x12f/0xa40 [10246.109485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10246.109485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10246.109485][ T7704] netlink_rcv_skb+0x130/0x360 [10246.109485][ T7704] netlink_unicast+0x449/0x710 [10246.109485][ T7704] netlink_sendmsg+0x723/0xbe0 [10246.109485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10246.109485][ T7704] ___sys_sendmsg+0xee/0x170 [10246.109485][ T7704] __sys_sendmsg+0xcd/0x170 [10246.109485][ T7704] do_syscall_64+0xc6/0x1e0 [10246.109485][ T7704] [10246.125134][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10246.125134][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10246.125134][ T7704] ipv6_find_idev+0x102/0x170 [10246.125134][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10246.125134][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10246.125134][ T7704] netlink_rcv_skb+0x130/0x360 [10246.125134][ T7704] netlink_unicast+0x449/0x710 [10246.125134][ T7704] netlink_sendmsg+0x723/0xbe0 [10246.125134][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10246.125134][ T7704] ___sys_sendmsg+0xee/0x170 [10246.125134][ T7704] __sys_sendmsg+0xcd/0x170 [10246.125134][ T7704] do_syscall_64+0xc6/0x1e0 [10246.125134][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10246.125134][ T7704] [10246.166042][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10246.166042][ T7704] neigh_parms_alloc+0x1e5/0x510 [10246.166042][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10246.166042][ T7704] ipv6_find_idev+0x102/0x170 [10246.166042][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10246.166042][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10246.166042][ T7704] netlink_rcv_skb+0x130/0x360 [10246.166042][ T7704] netlink_unicast+0x449/0x710 [10246.166042][ T7704] netlink_sendmsg+0x723/0xbe0 [10246.166042][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10246.166042][ T7704] ___sys_sendmsg+0xee/0x170 [10246.166042][ T7704] __sys_sendmsg+0xcd/0x170 [10246.166042][ T7704] do_syscall_64+0xc6/0x1e0 [10246.166042][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10246.166042][ T7704] [10256.422162][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10256.444301][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10256.444301][ T7704] netdev_get_by_index+0x5e/0x80 [10256.444301][ T7704] fib6_nh_init+0x3d8/0x15b0 [10256.444301][ T7704] ip6_route_info_create+0xf18/0x17d0 [10256.444301][ T7704] ip6_route_add+0x1c/0x140 [10256.444301][ T7704] addrconf_prefix_route+0x2a6/0x430 [10256.444301][ T7704] inet6_addr_add+0x4f8/0xa40 [10256.444301][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10256.444301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10256.444301][ T7704] netlink_rcv_skb+0x130/0x360 [10256.444301][ T7704] netlink_unicast+0x449/0x710 [10256.444301][ T7704] netlink_sendmsg+0x723/0xbe0 [10256.444301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10256.444301][ T7704] ___sys_sendmsg+0xee/0x170 [10256.444301][ T7704] __sys_sendmsg+0xcd/0x170 [10256.444301][ T7704] do_syscall_64+0xc6/0x1e0 [10256.444301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10256.444301][ T7704] [10256.449169][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10256.449169][ T7704] netdev_get_by_index+0x5e/0x80 [10256.449169][ T7704] fib6_nh_init+0x3d8/0x15b0 [10256.449169][ T7704] ip6_route_info_create+0xf18/0x17d0 [10256.449169][ T7704] addrconf_f6i_alloc+0x315/0x560 [10256.449169][ T7704] ipv6_add_addr+0x411/0x2000 [10256.449169][ T7704] inet6_addr_add+0x30e/0xa40 [10256.449169][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10256.449169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10256.449169][ T7704] netlink_rcv_skb+0x130/0x360 [10256.449169][ T7704] netlink_unicast+0x449/0x710 [10256.449169][ T7704] netlink_sendmsg+0x723/0xbe0 [10256.449169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10256.449169][ T7704] ___sys_sendmsg+0xee/0x170 [10256.449169][ T7704] __sys_sendmsg+0xcd/0x170 [10256.449169][ T7704] do_syscall_64+0xc6/0x1e0 [10256.449169][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10256.449169][ T7704] [10256.456216][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10256.456216][ T7704] netdev_get_by_index+0x5e/0x80 [10256.456216][ T7704] fib6_nh_init+0x3d8/0x15b0 [10256.456216][ T7704] ip6_route_info_create+0xf18/0x17d0 [10256.456216][ T7704] ip6_route_add+0x1c/0x140 [10256.456216][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10256.456216][ T7704] addrconf_add_dev+0xe2/0x170 [10256.456216][ T7704] inet6_addr_add+0x12f/0xa40 [10256.456216][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10256.456216][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10256.456216][ T7704] netlink_rcv_skb+0x130/0x360 [10256.456216][ T7704] netlink_unicast+0x449/0x710 [10256.456216][ T7704] netlink_sendmsg+0x723/0xbe0 [10256.456216][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10256.456216][ T7704] ___sys_sendmsg+0xee/0x170 [10256.456216][ T7704] __sys_sendmsg+0xcd/0x170 [10256.456216][ T7704] do_syscall_64+0xc6/0x1e0 [10256.456216][ T7704] [10256.475489][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10256.475489][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10256.475489][ T7704] ipv6_find_idev+0x102/0x170 [10256.475489][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10256.475489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10256.475489][ T7704] netlink_rcv_skb+0x130/0x360 [10256.475489][ T7704] netlink_unicast+0x449/0x710 [10256.475489][ T7704] netlink_sendmsg+0x723/0xbe0 [10256.475489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10256.475489][ T7704] ___sys_sendmsg+0xee/0x170 [10256.475489][ T7704] __sys_sendmsg+0xcd/0x170 [10256.475489][ T7704] do_syscall_64+0xc6/0x1e0 [10256.475489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10256.475489][ T7704] [10256.555957][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10256.555957][ T7704] neigh_parms_alloc+0x1e5/0x510 [10256.555957][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10256.555957][ T7704] ipv6_find_idev+0x102/0x170 [10256.555957][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10256.555957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10256.555957][ T7704] netlink_rcv_skb+0x130/0x360 [10256.555957][ T7704] netlink_unicast+0x449/0x710 [10256.555957][ T7704] netlink_sendmsg+0x723/0xbe0 [10256.555957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10256.555957][ T7704] ___sys_sendmsg+0xee/0x170 [10256.555957][ T7704] __sys_sendmsg+0xcd/0x170 [10256.555957][ T7704] do_syscall_64+0xc6/0x1e0 [10256.555957][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10256.555957][ T7704] [10266.804859][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10266.854332][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10266.854332][ T7704] netdev_get_by_index+0x5e/0x80 [10266.854332][ T7704] fib6_nh_init+0x3d8/0x15b0 [10266.854332][ T7704] ip6_route_info_create+0xf18/0x17d0 [10266.854332][ T7704] ip6_route_add+0x1c/0x140 [10266.854332][ T7704] addrconf_prefix_route+0x2a6/0x430 [10266.854332][ T7704] inet6_addr_add+0x4f8/0xa40 [10266.854332][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10266.854332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10266.854332][ T7704] netlink_rcv_skb+0x130/0x360 [10266.854332][ T7704] netlink_unicast+0x449/0x710 [10266.854332][ T7704] netlink_sendmsg+0x723/0xbe0 [10266.854332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10266.854332][ T7704] ___sys_sendmsg+0xee/0x170 [10266.854332][ T7704] __sys_sendmsg+0xcd/0x170 [10266.854332][ T7704] do_syscall_64+0xc6/0x1e0 [10266.854332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10266.854332][ T7704] [10266.859472][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10266.859472][ T7704] netdev_get_by_index+0x5e/0x80 [10266.859472][ T7704] fib6_nh_init+0x3d8/0x15b0 [10266.859472][ T7704] ip6_route_info_create+0xf18/0x17d0 [10266.859472][ T7704] addrconf_f6i_alloc+0x315/0x560 [10266.859472][ T7704] ipv6_add_addr+0x411/0x2000 [10266.859472][ T7704] inet6_addr_add+0x30e/0xa40 [10266.859472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10266.859472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10266.859472][ T7704] netlink_rcv_skb+0x130/0x360 [10266.859472][ T7704] netlink_unicast+0x449/0x710 [10266.859472][ T7704] netlink_sendmsg+0x723/0xbe0 [10266.859472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10266.859472][ T7704] ___sys_sendmsg+0xee/0x170 [10266.859472][ T7704] __sys_sendmsg+0xcd/0x170 [10266.859472][ T7704] do_syscall_64+0xc6/0x1e0 [10266.859472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10266.859472][ T7704] [10266.874679][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10266.874679][ T7704] netdev_get_by_index+0x5e/0x80 [10266.874679][ T7704] fib6_nh_init+0x3d8/0x15b0 [10266.874679][ T7704] ip6_route_info_create+0xf18/0x17d0 [10266.874679][ T7704] ip6_route_add+0x1c/0x140 [10266.874679][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10266.874679][ T7704] addrconf_add_dev+0xe2/0x170 [10266.874679][ T7704] inet6_addr_add+0x12f/0xa40 [10266.874679][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10266.874679][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10266.874679][ T7704] netlink_rcv_skb+0x130/0x360 [10266.874679][ T7704] netlink_unicast+0x449/0x710 [10266.874679][ T7704] netlink_sendmsg+0x723/0xbe0 [10266.874679][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10266.874679][ T7704] ___sys_sendmsg+0xee/0x170 [10266.874679][ T7704] __sys_sendmsg+0xcd/0x170 [10266.874679][ T7704] do_syscall_64+0xc6/0x1e0 [10266.874679][ T7704] [10266.897508][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10266.897508][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10266.897508][ T7704] ipv6_find_idev+0x102/0x170 [10266.897508][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10266.897508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10266.897508][ T7704] netlink_rcv_skb+0x130/0x360 [10266.897508][ T7704] netlink_unicast+0x449/0x710 [10266.897508][ T7704] netlink_sendmsg+0x723/0xbe0 [10266.897508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10266.897508][ T7704] ___sys_sendmsg+0xee/0x170 [10266.897508][ T7704] __sys_sendmsg+0xcd/0x170 [10266.897508][ T7704] do_syscall_64+0xc6/0x1e0 [10266.897508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10266.897508][ T7704] [10266.919299][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10266.919299][ T7704] neigh_parms_alloc+0x1e5/0x510 [10266.919299][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10266.919299][ T7704] ipv6_find_idev+0x102/0x170 [10266.919299][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10266.919299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10266.919299][ T7704] netlink_rcv_skb+0x130/0x360 [10266.919299][ T7704] netlink_unicast+0x449/0x710 [10266.919299][ T7704] netlink_sendmsg+0x723/0xbe0 [10266.919299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10266.919299][ T7704] ___sys_sendmsg+0xee/0x170 [10266.919299][ T7704] __sys_sendmsg+0xcd/0x170 [10266.919299][ T7704] do_syscall_64+0xc6/0x1e0 [10266.919299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10266.919299][ T7704] [10277.172876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10277.193999][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10277.193999][ T7704] netdev_get_by_index+0x5e/0x80 [10277.193999][ T7704] fib6_nh_init+0x3d8/0x15b0 [10277.193999][ T7704] ip6_route_info_create+0xf18/0x17d0 [10277.193999][ T7704] ip6_route_add+0x1c/0x140 [10277.193999][ T7704] addrconf_prefix_route+0x2a6/0x430 [10277.193999][ T7704] inet6_addr_add+0x4f8/0xa40 [10277.193999][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10277.193999][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10277.193999][ T7704] netlink_rcv_skb+0x130/0x360 [10277.193999][ T7704] netlink_unicast+0x449/0x710 [10277.193999][ T7704] netlink_sendmsg+0x723/0xbe0 [10277.193999][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10277.193999][ T7704] ___sys_sendmsg+0xee/0x170 [10277.193999][ T7704] __sys_sendmsg+0xcd/0x170 [10277.193999][ T7704] do_syscall_64+0xc6/0x1e0 [10277.193999][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10277.193999][ T7704] [10277.198406][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10277.198406][ T7704] netdev_get_by_index+0x5e/0x80 [10277.198406][ T7704] fib6_nh_init+0x3d8/0x15b0 [10277.198406][ T7704] ip6_route_info_create+0xf18/0x17d0 [10277.198406][ T7704] addrconf_f6i_alloc+0x315/0x560 [10277.198406][ T7704] ipv6_add_addr+0x411/0x2000 [10277.198406][ T7704] inet6_addr_add+0x30e/0xa40 [10277.198406][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10277.198406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10277.198406][ T7704] netlink_rcv_skb+0x130/0x360 [10277.198406][ T7704] netlink_unicast+0x449/0x710 [10277.198406][ T7704] netlink_sendmsg+0x723/0xbe0 [10277.198406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10277.198406][ T7704] ___sys_sendmsg+0xee/0x170 [10277.198406][ T7704] __sys_sendmsg+0xcd/0x170 [10277.198406][ T7704] do_syscall_64+0xc6/0x1e0 [10277.198406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10277.198406][ T7704] [10277.202807][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10277.202807][ T7704] netdev_get_by_index+0x5e/0x80 [10277.202807][ T7704] fib6_nh_init+0x3d8/0x15b0 [10277.202807][ T7704] ip6_route_info_create+0xf18/0x17d0 [10277.202807][ T7704] ip6_route_add+0x1c/0x140 [10277.202807][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10277.202807][ T7704] addrconf_add_dev+0xe2/0x170 [10277.202807][ T7704] inet6_addr_add+0x12f/0xa40 [10277.202807][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10277.202807][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10277.202807][ T7704] netlink_rcv_skb+0x130/0x360 [10277.202807][ T7704] netlink_unicast+0x449/0x710 [10277.202807][ T7704] netlink_sendmsg+0x723/0xbe0 [10277.202807][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10277.202807][ T7704] ___sys_sendmsg+0xee/0x170 [10277.202807][ T7704] __sys_sendmsg+0xcd/0x170 [10277.202807][ T7704] do_syscall_64+0xc6/0x1e0 [10277.202807][ T7704] [10277.225005][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10277.225005][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10277.225005][ T7704] ipv6_find_idev+0x102/0x170 [10277.225005][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10277.225005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10277.225005][ T7704] netlink_rcv_skb+0x130/0x360 [10277.225005][ T7704] netlink_unicast+0x449/0x710 [10277.225005][ T7704] netlink_sendmsg+0x723/0xbe0 [10277.225005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10277.225005][ T7704] ___sys_sendmsg+0xee/0x170 [10277.225005][ T7704] __sys_sendmsg+0xcd/0x170 [10277.225005][ T7704] do_syscall_64+0xc6/0x1e0 [10277.225005][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10277.225005][ T7704] [10277.230438][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10277.230438][ T7704] neigh_parms_alloc+0x1e5/0x510 [10277.230438][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10277.230438][ T7704] ipv6_find_idev+0x102/0x170 [10277.230438][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10277.230438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10277.230438][ T7704] netlink_rcv_skb+0x130/0x360 [10277.230438][ T7704] netlink_unicast+0x449/0x710 [10277.230438][ T7704] netlink_sendmsg+0x723/0xbe0 [10277.230438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10277.230438][ T7704] ___sys_sendmsg+0xee/0x170 [10277.230438][ T7704] __sys_sendmsg+0xcd/0x170 [10277.230438][ T7704] do_syscall_64+0xc6/0x1e0 [10277.230438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10277.230438][ T7704] [10287.524982][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10287.531722][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10287.531722][ T7704] netdev_get_by_index+0x5e/0x80 [10287.531722][ T7704] fib6_nh_init+0x3d8/0x15b0 [10287.531722][ T7704] ip6_route_info_create+0xf18/0x17d0 [10287.531722][ T7704] ip6_route_add+0x1c/0x140 [10287.531722][ T7704] addrconf_prefix_route+0x2a6/0x430 [10287.531722][ T7704] inet6_addr_add+0x4f8/0xa40 [10287.531722][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10287.531722][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.531722][ T7704] netlink_rcv_skb+0x130/0x360 [10287.531722][ T7704] netlink_unicast+0x449/0x710 [10287.531722][ T7704] netlink_sendmsg+0x723/0xbe0 [10287.531722][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10287.531722][ T7704] ___sys_sendmsg+0xee/0x170 [10287.531722][ T7704] __sys_sendmsg+0xcd/0x170 [10287.531722][ T7704] do_syscall_64+0xc6/0x1e0 [10287.531722][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10287.531722][ T7704] [10287.536803][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10287.536803][ T7704] netdev_get_by_index+0x5e/0x80 [10287.536803][ T7704] fib6_nh_init+0x3d8/0x15b0 [10287.536803][ T7704] ip6_route_info_create+0xf18/0x17d0 [10287.536803][ T7704] addrconf_f6i_alloc+0x315/0x560 [10287.536803][ T7704] ipv6_add_addr+0x411/0x2000 [10287.536803][ T7704] inet6_addr_add+0x30e/0xa40 [10287.536803][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10287.536803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.536803][ T7704] netlink_rcv_skb+0x130/0x360 [10287.536803][ T7704] netlink_unicast+0x449/0x710 [10287.536803][ T7704] netlink_sendmsg+0x723/0xbe0 [10287.536803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10287.536803][ T7704] ___sys_sendmsg+0xee/0x170 [10287.536803][ T7704] __sys_sendmsg+0xcd/0x170 [10287.536803][ T7704] do_syscall_64+0xc6/0x1e0 [10287.536803][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10287.536803][ T7704] [10287.556082][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10287.556082][ T7704] netdev_get_by_index+0x5e/0x80 [10287.556082][ T7704] fib6_nh_init+0x3d8/0x15b0 [10287.556082][ T7704] ip6_route_info_create+0xf18/0x17d0 [10287.556082][ T7704] ip6_route_add+0x1c/0x140 [10287.556082][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10287.556082][ T7704] addrconf_add_dev+0xe2/0x170 [10287.556082][ T7704] inet6_addr_add+0x12f/0xa40 [10287.556082][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10287.556082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.556082][ T7704] netlink_rcv_skb+0x130/0x360 [10287.556082][ T7704] netlink_unicast+0x449/0x710 [10287.556082][ T7704] netlink_sendmsg+0x723/0xbe0 [10287.556082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10287.556082][ T7704] ___sys_sendmsg+0xee/0x170 [10287.556082][ T7704] __sys_sendmsg+0xcd/0x170 [10287.556082][ T7704] do_syscall_64+0xc6/0x1e0 [10287.556082][ T7704] [10287.562914][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10287.562914][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10287.562914][ T7704] ipv6_find_idev+0x102/0x170 [10287.562914][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10287.562914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.562914][ T7704] netlink_rcv_skb+0x130/0x360 [10287.562914][ T7704] netlink_unicast+0x449/0x710 [10287.562914][ T7704] netlink_sendmsg+0x723/0xbe0 [10287.562914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10287.562914][ T7704] ___sys_sendmsg+0xee/0x170 [10287.562914][ T7704] __sys_sendmsg+0xcd/0x170 [10287.562914][ T7704] do_syscall_64+0xc6/0x1e0 [10287.562914][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10287.562914][ T7704] [10287.618703][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10287.618703][ T7704] neigh_parms_alloc+0x1e5/0x510 [10287.618703][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10287.618703][ T7704] ipv6_find_idev+0x102/0x170 [10287.618703][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10287.618703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.618703][ T7704] netlink_rcv_skb+0x130/0x360 [10287.618703][ T7704] netlink_unicast+0x449/0x710 [10287.618703][ T7704] netlink_sendmsg+0x723/0xbe0 [10287.618703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10287.618703][ T7704] ___sys_sendmsg+0xee/0x170 [10287.618703][ T7704] __sys_sendmsg+0xcd/0x170 [10287.618703][ T7704] do_syscall_64+0xc6/0x1e0 [10287.618703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10287.618703][ T7704] [10297.892941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10297.923492][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10297.923492][ T7704] netdev_get_by_index+0x5e/0x80 [10297.923492][ T7704] fib6_nh_init+0x3d8/0x15b0 [10297.923492][ T7704] ip6_route_info_create+0xf18/0x17d0 [10297.923492][ T7704] ip6_route_add+0x1c/0x140 [10297.923492][ T7704] addrconf_prefix_route+0x2a6/0x430 [10297.923492][ T7704] inet6_addr_add+0x4f8/0xa40 [10297.923492][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10297.923492][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10297.923492][ T7704] netlink_rcv_skb+0x130/0x360 [10297.923492][ T7704] netlink_unicast+0x449/0x710 [10297.923492][ T7704] netlink_sendmsg+0x723/0xbe0 [10297.923492][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10297.923492][ T7704] ___sys_sendmsg+0xee/0x170 [10297.923492][ T7704] __sys_sendmsg+0xcd/0x170 [10297.923492][ T7704] do_syscall_64+0xc6/0x1e0 [10297.923492][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10297.923492][ T7704] [10297.930352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10297.930352][ T7704] netdev_get_by_index+0x5e/0x80 [10297.930352][ T7704] fib6_nh_init+0x3d8/0x15b0 [10297.930352][ T7704] ip6_route_info_create+0xf18/0x17d0 [10297.930352][ T7704] addrconf_f6i_alloc+0x315/0x560 [10297.930352][ T7704] ipv6_add_addr+0x411/0x2000 [10297.930352][ T7704] inet6_addr_add+0x30e/0xa40 [10297.930352][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10297.930352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10297.930352][ T7704] netlink_rcv_skb+0x130/0x360 [10297.930352][ T7704] netlink_unicast+0x449/0x710 [10297.930352][ T7704] netlink_sendmsg+0x723/0xbe0 [10297.930352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10297.930352][ T7704] ___sys_sendmsg+0xee/0x170 [10297.930352][ T7704] __sys_sendmsg+0xcd/0x170 [10297.930352][ T7704] do_syscall_64+0xc6/0x1e0 [10297.930352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10297.930352][ T7704] [10297.937158][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10297.937158][ T7704] netdev_get_by_index+0x5e/0x80 [10297.937158][ T7704] fib6_nh_init+0x3d8/0x15b0 [10297.937158][ T7704] ip6_route_info_create+0xf18/0x17d0 [10297.937158][ T7704] ip6_route_add+0x1c/0x140 [10297.937158][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10297.937158][ T7704] addrconf_add_dev+0xe2/0x170 [10297.937158][ T7704] inet6_addr_add+0x12f/0xa40 [10297.937158][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10297.937158][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10297.937158][ T7704] netlink_rcv_skb+0x130/0x360 [10297.937158][ T7704] netlink_unicast+0x449/0x710 [10297.937158][ T7704] netlink_sendmsg+0x723/0xbe0 [10297.937158][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10297.937158][ T7704] ___sys_sendmsg+0xee/0x170 [10297.937158][ T7704] __sys_sendmsg+0xcd/0x170 [10297.937158][ T7704] do_syscall_64+0xc6/0x1e0 [10297.937158][ T7704] [10297.956195][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10297.956195][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10297.956195][ T7704] ipv6_find_idev+0x102/0x170 [10297.956195][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10297.956195][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10297.956195][ T7704] netlink_rcv_skb+0x130/0x360 [10297.956195][ T7704] netlink_unicast+0x449/0x710 [10297.956195][ T7704] netlink_sendmsg+0x723/0xbe0 [10297.956195][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10297.956195][ T7704] ___sys_sendmsg+0xee/0x170 [10297.956195][ T7704] __sys_sendmsg+0xcd/0x170 [10297.956195][ T7704] do_syscall_64+0xc6/0x1e0 [10297.956195][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10297.956195][ T7704] [10297.978544][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10297.978544][ T7704] neigh_parms_alloc+0x1e5/0x510 [10297.978544][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10297.978544][ T7704] ipv6_find_idev+0x102/0x170 [10297.978544][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10297.978544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10297.978544][ T7704] netlink_rcv_skb+0x130/0x360 [10297.978544][ T7704] netlink_unicast+0x449/0x710 [10297.978544][ T7704] netlink_sendmsg+0x723/0xbe0 [10297.978544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10297.978544][ T7704] ___sys_sendmsg+0xee/0x170 [10297.978544][ T7704] __sys_sendmsg+0xcd/0x170 [10297.978544][ T7704] do_syscall_64+0xc6/0x1e0 [10297.978544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10297.978544][ T7704] [10308.220869][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10308.253510][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10308.253510][ T7704] netdev_get_by_index+0x5e/0x80 [10308.253510][ T7704] fib6_nh_init+0x3d8/0x15b0 [10308.253510][ T7704] ip6_route_info_create+0xf18/0x17d0 [10308.253510][ T7704] ip6_route_add+0x1c/0x140 [10308.253510][ T7704] addrconf_prefix_route+0x2a6/0x430 [10308.253510][ T7704] inet6_addr_add+0x4f8/0xa40 [10308.253510][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10308.253510][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.253510][ T7704] netlink_rcv_skb+0x130/0x360 [10308.253510][ T7704] netlink_unicast+0x449/0x710 [10308.253510][ T7704] netlink_sendmsg+0x723/0xbe0 [10308.253510][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10308.253510][ T7704] ___sys_sendmsg+0xee/0x170 [10308.253510][ T7704] __sys_sendmsg+0xcd/0x170 [10308.253510][ T7704] do_syscall_64+0xc6/0x1e0 [10308.253510][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.253510][ T7704] [10308.260572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10308.260572][ T7704] netdev_get_by_index+0x5e/0x80 [10308.260572][ T7704] fib6_nh_init+0x3d8/0x15b0 [10308.260572][ T7704] ip6_route_info_create+0xf18/0x17d0 [10308.260572][ T7704] addrconf_f6i_alloc+0x315/0x560 [10308.260572][ T7704] ipv6_add_addr+0x411/0x2000 [10308.260572][ T7704] inet6_addr_add+0x30e/0xa40 [10308.260572][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10308.260572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.260572][ T7704] netlink_rcv_skb+0x130/0x360 [10308.260572][ T7704] netlink_unicast+0x449/0x710 [10308.260572][ T7704] netlink_sendmsg+0x723/0xbe0 [10308.260572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10308.260572][ T7704] ___sys_sendmsg+0xee/0x170 [10308.260572][ T7704] __sys_sendmsg+0xcd/0x170 [10308.260572][ T7704] do_syscall_64+0xc6/0x1e0 [10308.260572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.260572][ T7704] [10308.315566][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10308.315566][ T7704] netdev_get_by_index+0x5e/0x80 [10308.315566][ T7704] fib6_nh_init+0x3d8/0x15b0 [10308.315566][ T7704] ip6_route_info_create+0xf18/0x17d0 [10308.315566][ T7704] ip6_route_add+0x1c/0x140 [10308.315566][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10308.315566][ T7704] addrconf_add_dev+0xe2/0x170 [10308.315566][ T7704] inet6_addr_add+0x12f/0xa40 [10308.315566][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10308.315566][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.315566][ T7704] netlink_rcv_skb+0x130/0x360 [10308.315566][ T7704] netlink_unicast+0x449/0x710 [10308.315566][ T7704] netlink_sendmsg+0x723/0xbe0 [10308.315566][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10308.315566][ T7704] ___sys_sendmsg+0xee/0x170 [10308.315566][ T7704] __sys_sendmsg+0xcd/0x170 [10308.315566][ T7704] do_syscall_64+0xc6/0x1e0 [10308.315566][ T7704] [10308.322647][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10308.322647][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10308.322647][ T7704] ipv6_find_idev+0x102/0x170 [10308.322647][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10308.322647][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.322647][ T7704] netlink_rcv_skb+0x130/0x360 [10308.322647][ T7704] netlink_unicast+0x449/0x710 [10308.322647][ T7704] netlink_sendmsg+0x723/0xbe0 [10308.322647][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10308.322647][ T7704] ___sys_sendmsg+0xee/0x170 [10308.322647][ T7704] __sys_sendmsg+0xcd/0x170 [10308.322647][ T7704] do_syscall_64+0xc6/0x1e0 [10308.322647][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.322647][ T7704] [10308.328107][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10308.328107][ T7704] neigh_parms_alloc+0x1e5/0x510 [10308.328107][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10308.328107][ T7704] ipv6_find_idev+0x102/0x170 [10308.328107][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10308.328107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.328107][ T7704] netlink_rcv_skb+0x130/0x360 [10308.328107][ T7704] netlink_unicast+0x449/0x710 [10308.328107][ T7704] netlink_sendmsg+0x723/0xbe0 [10308.328107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10308.328107][ T7704] ___sys_sendmsg+0xee/0x170 [10308.328107][ T7704] __sys_sendmsg+0xcd/0x170 [10308.328107][ T7704] do_syscall_64+0xc6/0x1e0 [10308.328107][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.328107][ T7704] [10318.588975][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10318.603450][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10318.603450][ T7704] netdev_get_by_index+0x5e/0x80 [10318.603450][ T7704] fib6_nh_init+0x3d8/0x15b0 [10318.603450][ T7704] ip6_route_info_create+0xf18/0x17d0 [10318.603450][ T7704] ip6_route_add+0x1c/0x140 [10318.603450][ T7704] addrconf_prefix_route+0x2a6/0x430 [10318.603450][ T7704] inet6_addr_add+0x4f8/0xa40 [10318.603450][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10318.603450][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10318.603450][ T7704] netlink_rcv_skb+0x130/0x360 [10318.603450][ T7704] netlink_unicast+0x449/0x710 [10318.603450][ T7704] netlink_sendmsg+0x723/0xbe0 [10318.603450][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10318.603450][ T7704] ___sys_sendmsg+0xee/0x170 [10318.603450][ T7704] __sys_sendmsg+0xcd/0x170 [10318.603450][ T7704] do_syscall_64+0xc6/0x1e0 [10318.603450][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10318.603450][ T7704] [10318.608587][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10318.608587][ T7704] netdev_get_by_index+0x5e/0x80 [10318.608587][ T7704] fib6_nh_init+0x3d8/0x15b0 [10318.608587][ T7704] ip6_route_info_create+0xf18/0x17d0 [10318.608587][ T7704] addrconf_f6i_alloc+0x315/0x560 [10318.608587][ T7704] ipv6_add_addr+0x411/0x2000 [10318.608587][ T7704] inet6_addr_add+0x30e/0xa40 [10318.608587][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10318.608587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10318.608587][ T7704] netlink_rcv_skb+0x130/0x360 [10318.608587][ T7704] netlink_unicast+0x449/0x710 [10318.608587][ T7704] netlink_sendmsg+0x723/0xbe0 [10318.608587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10318.608587][ T7704] ___sys_sendmsg+0xee/0x170 [10318.608587][ T7704] __sys_sendmsg+0xcd/0x170 [10318.608587][ T7704] do_syscall_64+0xc6/0x1e0 [10318.608587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10318.608587][ T7704] [10318.613542][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10318.613542][ T7704] netdev_get_by_index+0x5e/0x80 [10318.613542][ T7704] fib6_nh_init+0x3d8/0x15b0 [10318.613542][ T7704] ip6_route_info_create+0xf18/0x17d0 [10318.613542][ T7704] ip6_route_add+0x1c/0x140 [10318.613542][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10318.613542][ T7704] addrconf_add_dev+0xe2/0x170 [10318.613542][ T7704] inet6_addr_add+0x12f/0xa40 [10318.613542][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10318.613542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10318.613542][ T7704] netlink_rcv_skb+0x130/0x360 [10318.613542][ T7704] netlink_unicast+0x449/0x710 [10318.613542][ T7704] netlink_sendmsg+0x723/0xbe0 [10318.613542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10318.613542][ T7704] ___sys_sendmsg+0xee/0x170 [10318.613542][ T7704] __sys_sendmsg+0xcd/0x170 [10318.613542][ T7704] do_syscall_64+0xc6/0x1e0 [10318.613542][ T7704] [10318.620081][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10318.620081][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10318.620081][ T7704] ipv6_find_idev+0x102/0x170 [10318.620081][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10318.620081][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10318.620081][ T7704] netlink_rcv_skb+0x130/0x360 [10318.620081][ T7704] netlink_unicast+0x449/0x710 [10318.620081][ T7704] netlink_sendmsg+0x723/0xbe0 [10318.620081][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10318.620081][ T7704] ___sys_sendmsg+0xee/0x170 [10318.620081][ T7704] __sys_sendmsg+0xcd/0x170 [10318.620081][ T7704] do_syscall_64+0xc6/0x1e0 [10318.620081][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10318.620081][ T7704] [10318.638074][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10318.638074][ T7704] neigh_parms_alloc+0x1e5/0x510 [10318.638074][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10318.638074][ T7704] ipv6_find_idev+0x102/0x170 [10318.638074][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10318.638074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10318.638074][ T7704] netlink_rcv_skb+0x130/0x360 [10318.638074][ T7704] netlink_unicast+0x449/0x710 [10318.638074][ T7704] netlink_sendmsg+0x723/0xbe0 [10318.638074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10318.638074][ T7704] ___sys_sendmsg+0xee/0x170 [10318.638074][ T7704] __sys_sendmsg+0xcd/0x170 [10318.638074][ T7704] do_syscall_64+0xc6/0x1e0 [10318.638074][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10318.638074][ T7704] [10328.908852][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10328.923376][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10328.923376][ T7704] netdev_get_by_index+0x5e/0x80 [10328.923376][ T7704] fib6_nh_init+0x3d8/0x15b0 [10328.923376][ T7704] ip6_route_info_create+0xf18/0x17d0 [10328.923376][ T7704] ip6_route_add+0x1c/0x140 [10328.923376][ T7704] addrconf_prefix_route+0x2a6/0x430 [10328.923376][ T7704] inet6_addr_add+0x4f8/0xa40 [10328.923376][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10328.923376][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10328.923376][ T7704] netlink_rcv_skb+0x130/0x360 [10328.923376][ T7704] netlink_unicast+0x449/0x710 [10328.923376][ T7704] netlink_sendmsg+0x723/0xbe0 [10328.923376][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10328.923376][ T7704] ___sys_sendmsg+0xee/0x170 [10328.923376][ T7704] __sys_sendmsg+0xcd/0x170 [10328.923376][ T7704] do_syscall_64+0xc6/0x1e0 [10328.923376][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10328.923376][ T7704] [10328.928504][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10328.928504][ T7704] netdev_get_by_index+0x5e/0x80 [10328.928504][ T7704] fib6_nh_init+0x3d8/0x15b0 [10328.928504][ T7704] ip6_route_info_create+0xf18/0x17d0 [10328.928504][ T7704] addrconf_f6i_alloc+0x315/0x560 [10328.928504][ T7704] ipv6_add_addr+0x411/0x2000 [10328.928504][ T7704] inet6_addr_add+0x30e/0xa40 [10328.928504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10328.928504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10328.928504][ T7704] netlink_rcv_skb+0x130/0x360 [10328.928504][ T7704] netlink_unicast+0x449/0x710 [10328.928504][ T7704] netlink_sendmsg+0x723/0xbe0 [10328.928504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10328.928504][ T7704] ___sys_sendmsg+0xee/0x170 [10328.928504][ T7704] __sys_sendmsg+0xcd/0x170 [10328.928504][ T7704] do_syscall_64+0xc6/0x1e0 [10328.928504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10328.928504][ T7704] [10328.933504][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10328.933504][ T7704] netdev_get_by_index+0x5e/0x80 [10328.933504][ T7704] fib6_nh_init+0x3d8/0x15b0 [10328.933504][ T7704] ip6_route_info_create+0xf18/0x17d0 [10328.933504][ T7704] ip6_route_add+0x1c/0x140 [10328.933504][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10328.933504][ T7704] addrconf_add_dev+0xe2/0x170 [10328.933504][ T7704] inet6_addr_add+0x12f/0xa40 [10328.933504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10328.933504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10328.933504][ T7704] netlink_rcv_skb+0x130/0x360 [10328.933504][ T7704] netlink_unicast+0x449/0x710 [10328.933504][ T7704] netlink_sendmsg+0x723/0xbe0 [10328.933504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10328.933504][ T7704] ___sys_sendmsg+0xee/0x170 [10328.933504][ T7704] __sys_sendmsg+0xcd/0x170 [10328.933504][ T7704] do_syscall_64+0xc6/0x1e0 [10328.933504][ T7704] [10328.939770][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10328.939770][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10328.939770][ T7704] ipv6_find_idev+0x102/0x170 [10328.939770][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10328.939770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10328.939770][ T7704] netlink_rcv_skb+0x130/0x360 [10328.939770][ T7704] netlink_unicast+0x449/0x710 [10328.939770][ T7704] netlink_sendmsg+0x723/0xbe0 [10328.939770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10328.939770][ T7704] ___sys_sendmsg+0xee/0x170 [10328.939770][ T7704] __sys_sendmsg+0xcd/0x170 [10328.939770][ T7704] do_syscall_64+0xc6/0x1e0 [10328.939770][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10328.939770][ T7704] [10328.988171][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10328.988171][ T7704] neigh_parms_alloc+0x1e5/0x510 [10328.988171][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10328.988171][ T7704] ipv6_find_idev+0x102/0x170 [10328.988171][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10328.988171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10328.988171][ T7704] netlink_rcv_skb+0x130/0x360 [10328.988171][ T7704] netlink_unicast+0x449/0x710 [10328.988171][ T7704] netlink_sendmsg+0x723/0xbe0 [10328.988171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10328.988171][ T7704] ___sys_sendmsg+0xee/0x170 [10328.988171][ T7704] __sys_sendmsg+0xcd/0x170 [10328.988171][ T7704] do_syscall_64+0xc6/0x1e0 [10328.988171][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10328.988171][ T7704] [10339.236955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10339.304032][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10339.304032][ T7704] netdev_get_by_index+0x5e/0x80 [10339.304032][ T7704] fib6_nh_init+0x3d8/0x15b0 [10339.304032][ T7704] ip6_route_info_create+0xf18/0x17d0 [10339.304032][ T7704] ip6_route_add+0x1c/0x140 [10339.304032][ T7704] addrconf_prefix_route+0x2a6/0x430 [10339.304032][ T7704] inet6_addr_add+0x4f8/0xa40 [10339.304032][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10339.304032][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10339.304032][ T7704] netlink_rcv_skb+0x130/0x360 [10339.304032][ T7704] netlink_unicast+0x449/0x710 [10339.304032][ T7704] netlink_sendmsg+0x723/0xbe0 [10339.304032][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10339.304032][ T7704] ___sys_sendmsg+0xee/0x170 [10339.304032][ T7704] __sys_sendmsg+0xcd/0x170 [10339.304032][ T7704] do_syscall_64+0xc6/0x1e0 [10339.304032][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10339.304032][ T7704] [10339.309206][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10339.309206][ T7704] netdev_get_by_index+0x5e/0x80 [10339.309206][ T7704] fib6_nh_init+0x3d8/0x15b0 [10339.309206][ T7704] ip6_route_info_create+0xf18/0x17d0 [10339.309206][ T7704] addrconf_f6i_alloc+0x315/0x560 [10339.309206][ T7704] ipv6_add_addr+0x411/0x2000 [10339.309206][ T7704] inet6_addr_add+0x30e/0xa40 [10339.309206][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10339.309206][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10339.309206][ T7704] netlink_rcv_skb+0x130/0x360 [10339.309206][ T7704] netlink_unicast+0x449/0x710 [10339.309206][ T7704] netlink_sendmsg+0x723/0xbe0 [10339.309206][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10339.309206][ T7704] ___sys_sendmsg+0xee/0x170 [10339.309206][ T7704] __sys_sendmsg+0xcd/0x170 [10339.309206][ T7704] do_syscall_64+0xc6/0x1e0 [10339.309206][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10339.309206][ T7704] [10339.326464][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10339.326464][ T7704] netdev_get_by_index+0x5e/0x80 [10339.326464][ T7704] fib6_nh_init+0x3d8/0x15b0 [10339.326464][ T7704] ip6_route_info_create+0xf18/0x17d0 [10339.326464][ T7704] ip6_route_add+0x1c/0x140 [10339.326464][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10339.326464][ T7704] addrconf_add_dev+0xe2/0x170 [10339.326464][ T7704] inet6_addr_add+0x12f/0xa40 [10339.326464][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10339.326464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10339.326464][ T7704] netlink_rcv_skb+0x130/0x360 [10339.326464][ T7704] netlink_unicast+0x449/0x710 [10339.326464][ T7704] netlink_sendmsg+0x723/0xbe0 [10339.326464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10339.326464][ T7704] ___sys_sendmsg+0xee/0x170 [10339.326464][ T7704] __sys_sendmsg+0xcd/0x170 [10339.326464][ T7704] do_syscall_64+0xc6/0x1e0 [10339.326464][ T7704] [10339.330372][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10339.330372][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10339.330372][ T7704] ipv6_find_idev+0x102/0x170 [10339.330372][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10339.330372][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10339.330372][ T7704] netlink_rcv_skb+0x130/0x360 [10339.330372][ T7704] netlink_unicast+0x449/0x710 [10339.330372][ T7704] netlink_sendmsg+0x723/0xbe0 [10339.330372][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10339.330372][ T7704] ___sys_sendmsg+0xee/0x170 [10339.330372][ T7704] __sys_sendmsg+0xcd/0x170 [10339.330372][ T7704] do_syscall_64+0xc6/0x1e0 [10339.330372][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10339.330372][ T7704] [10339.353703][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10339.353703][ T7704] neigh_parms_alloc+0x1e5/0x510 [10339.353703][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10339.353703][ T7704] ipv6_find_idev+0x102/0x170 [10339.353703][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10339.353703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10339.353703][ T7704] netlink_rcv_skb+0x130/0x360 [10339.353703][ T7704] netlink_unicast+0x449/0x710 [10339.353703][ T7704] netlink_sendmsg+0x723/0xbe0 [10339.353703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10339.353703][ T7704] ___sys_sendmsg+0xee/0x170 [10339.353703][ T7704] __sys_sendmsg+0xcd/0x170 [10339.353703][ T7704] do_syscall_64+0xc6/0x1e0 [10339.353703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10339.353703][ T7704] [10349.596851][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10349.613335][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10349.613335][ T7704] netdev_get_by_index+0x5e/0x80 [10349.613335][ T7704] fib6_nh_init+0x3d8/0x15b0 [10349.613335][ T7704] ip6_route_info_create+0xf18/0x17d0 [10349.613335][ T7704] ip6_route_add+0x1c/0x140 [10349.613335][ T7704] addrconf_prefix_route+0x2a6/0x430 [10349.613335][ T7704] inet6_addr_add+0x4f8/0xa40 [10349.613335][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10349.613335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10349.613335][ T7704] netlink_rcv_skb+0x130/0x360 [10349.613335][ T7704] netlink_unicast+0x449/0x710 [10349.613335][ T7704] netlink_sendmsg+0x723/0xbe0 [10349.613335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10349.613335][ T7704] ___sys_sendmsg+0xee/0x170 [10349.613335][ T7704] __sys_sendmsg+0xcd/0x170 [10349.613335][ T7704] do_syscall_64+0xc6/0x1e0 [10349.613335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10349.613335][ T7704] [10349.618427][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10349.618427][ T7704] netdev_get_by_index+0x5e/0x80 [10349.618427][ T7704] fib6_nh_init+0x3d8/0x15b0 [10349.618427][ T7704] ip6_route_info_create+0xf18/0x17d0 [10349.618427][ T7704] addrconf_f6i_alloc+0x315/0x560 [10349.618427][ T7704] ipv6_add_addr+0x411/0x2000 [10349.618427][ T7704] inet6_addr_add+0x30e/0xa40 [10349.618427][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10349.618427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10349.618427][ T7704] netlink_rcv_skb+0x130/0x360 [10349.618427][ T7704] netlink_unicast+0x449/0x710 [10349.618427][ T7704] netlink_sendmsg+0x723/0xbe0 [10349.618427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10349.618427][ T7704] ___sys_sendmsg+0xee/0x170 [10349.618427][ T7704] __sys_sendmsg+0xcd/0x170 [10349.618427][ T7704] do_syscall_64+0xc6/0x1e0 [10349.618427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10349.618427][ T7704] [10349.624641][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10349.624641][ T7704] netdev_get_by_index+0x5e/0x80 [10349.624641][ T7704] fib6_nh_init+0x3d8/0x15b0 [10349.624641][ T7704] ip6_route_info_create+0xf18/0x17d0 [10349.624641][ T7704] ip6_route_add+0x1c/0x140 [10349.624641][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10349.624641][ T7704] addrconf_add_dev+0xe2/0x170 [10349.624641][ T7704] inet6_addr_add+0x12f/0xa40 [10349.624641][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10349.624641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10349.624641][ T7704] netlink_rcv_skb+0x130/0x360 [10349.624641][ T7704] netlink_unicast+0x449/0x710 [10349.624641][ T7704] netlink_sendmsg+0x723/0xbe0 [10349.624641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10349.624641][ T7704] ___sys_sendmsg+0xee/0x170 [10349.624641][ T7704] __sys_sendmsg+0xcd/0x170 [10349.624641][ T7704] do_syscall_64+0xc6/0x1e0 [10349.624641][ T7704] [10349.636196][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10349.636196][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10349.636196][ T7704] ipv6_find_idev+0x102/0x170 [10349.636196][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10349.636196][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10349.636196][ T7704] netlink_rcv_skb+0x130/0x360 [10349.636196][ T7704] netlink_unicast+0x449/0x710 [10349.636196][ T7704] netlink_sendmsg+0x723/0xbe0 [10349.636196][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10349.636196][ T7704] ___sys_sendmsg+0xee/0x170 [10349.636196][ T7704] __sys_sendmsg+0xcd/0x170 [10349.636196][ T7704] do_syscall_64+0xc6/0x1e0 [10349.636196][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10349.636196][ T7704] [10349.675155][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10349.675155][ T7704] neigh_parms_alloc+0x1e5/0x510 [10349.675155][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10349.675155][ T7704] ipv6_find_idev+0x102/0x170 [10349.675155][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10349.675155][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10349.675155][ T7704] netlink_rcv_skb+0x130/0x360 [10349.675155][ T7704] netlink_unicast+0x449/0x710 [10349.675155][ T7704] netlink_sendmsg+0x723/0xbe0 [10349.675155][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10349.675155][ T7704] ___sys_sendmsg+0xee/0x170 [10349.675155][ T7704] __sys_sendmsg+0xcd/0x170 [10349.675155][ T7704] do_syscall_64+0xc6/0x1e0 [10349.675155][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10349.675155][ T7704] [10359.964928][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10360.033125][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10360.033125][ T7704] netdev_get_by_index+0x5e/0x80 [10360.033125][ T7704] fib6_nh_init+0x3d8/0x15b0 [10360.033125][ T7704] ip6_route_info_create+0xf18/0x17d0 [10360.033125][ T7704] ip6_route_add+0x1c/0x140 [10360.033125][ T7704] addrconf_prefix_route+0x2a6/0x430 [10360.033125][ T7704] inet6_addr_add+0x4f8/0xa40 [10360.033125][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10360.033125][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10360.033125][ T7704] netlink_rcv_skb+0x130/0x360 [10360.033125][ T7704] netlink_unicast+0x449/0x710 [10360.033125][ T7704] netlink_sendmsg+0x723/0xbe0 [10360.033125][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10360.033125][ T7704] ___sys_sendmsg+0xee/0x170 [10360.033125][ T7704] __sys_sendmsg+0xcd/0x170 [10360.033125][ T7704] do_syscall_64+0xc6/0x1e0 [10360.033125][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10360.033125][ T7704] [10360.040131][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10360.040131][ T7704] netdev_get_by_index+0x5e/0x80 [10360.040131][ T7704] fib6_nh_init+0x3d8/0x15b0 [10360.040131][ T7704] ip6_route_info_create+0xf18/0x17d0 [10360.040131][ T7704] addrconf_f6i_alloc+0x315/0x560 [10360.040131][ T7704] ipv6_add_addr+0x411/0x2000 [10360.040131][ T7704] inet6_addr_add+0x30e/0xa40 [10360.040131][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10360.040131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10360.040131][ T7704] netlink_rcv_skb+0x130/0x360 [10360.040131][ T7704] netlink_unicast+0x449/0x710 [10360.040131][ T7704] netlink_sendmsg+0x723/0xbe0 [10360.040131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10360.040131][ T7704] ___sys_sendmsg+0xee/0x170 [10360.040131][ T7704] __sys_sendmsg+0xcd/0x170 [10360.040131][ T7704] do_syscall_64+0xc6/0x1e0 [10360.040131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10360.040131][ T7704] [10360.047127][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10360.047127][ T7704] netdev_get_by_index+0x5e/0x80 [10360.047127][ T7704] fib6_nh_init+0x3d8/0x15b0 [10360.047127][ T7704] ip6_route_info_create+0xf18/0x17d0 [10360.047127][ T7704] ip6_route_add+0x1c/0x140 [10360.047127][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10360.047127][ T7704] addrconf_add_dev+0xe2/0x170 [10360.047127][ T7704] inet6_addr_add+0x12f/0xa40 [10360.047127][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10360.047127][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10360.047127][ T7704] netlink_rcv_skb+0x130/0x360 [10360.047127][ T7704] netlink_unicast+0x449/0x710 [10360.047127][ T7704] netlink_sendmsg+0x723/0xbe0 [10360.047127][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10360.047127][ T7704] ___sys_sendmsg+0xee/0x170 [10360.047127][ T7704] __sys_sendmsg+0xcd/0x170 [10360.047127][ T7704] do_syscall_64+0xc6/0x1e0 [10360.047127][ T7704] [10360.054239][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10360.054239][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10360.054239][ T7704] ipv6_find_idev+0x102/0x170 [10360.054239][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10360.054239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10360.054239][ T7704] netlink_rcv_skb+0x130/0x360 [10360.054239][ T7704] netlink_unicast+0x449/0x710 [10360.054239][ T7704] netlink_sendmsg+0x723/0xbe0 [10360.054239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10360.054239][ T7704] ___sys_sendmsg+0xee/0x170 [10360.054239][ T7704] __sys_sendmsg+0xcd/0x170 [10360.054239][ T7704] do_syscall_64+0xc6/0x1e0 [10360.054239][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10360.054239][ T7704] [10360.079118][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10360.079118][ T7704] neigh_parms_alloc+0x1e5/0x510 [10360.079118][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10360.079118][ T7704] ipv6_find_idev+0x102/0x170 [10360.079118][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10360.079118][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10360.079118][ T7704] netlink_rcv_skb+0x130/0x360 [10360.079118][ T7704] netlink_unicast+0x449/0x710 [10360.079118][ T7704] netlink_sendmsg+0x723/0xbe0 [10360.079118][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10360.079118][ T7704] ___sys_sendmsg+0xee/0x170 [10360.079118][ T7704] __sys_sendmsg+0xcd/0x170 [10360.079118][ T7704] do_syscall_64+0xc6/0x1e0 [10360.079118][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10360.079118][ T7704] [10370.364966][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10370.383684][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10370.383684][ T7704] netdev_get_by_index+0x5e/0x80 [10370.383684][ T7704] fib6_nh_init+0x3d8/0x15b0 [10370.383684][ T7704] ip6_route_info_create+0xf18/0x17d0 [10370.383684][ T7704] ip6_route_add+0x1c/0x140 [10370.383684][ T7704] addrconf_prefix_route+0x2a6/0x430 [10370.383684][ T7704] inet6_addr_add+0x4f8/0xa40 [10370.383684][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10370.383684][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10370.383684][ T7704] netlink_rcv_skb+0x130/0x360 [10370.383684][ T7704] netlink_unicast+0x449/0x710 [10370.383684][ T7704] netlink_sendmsg+0x723/0xbe0 [10370.383684][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10370.383684][ T7704] ___sys_sendmsg+0xee/0x170 [10370.383684][ T7704] __sys_sendmsg+0xcd/0x170 [10370.383684][ T7704] do_syscall_64+0xc6/0x1e0 [10370.383684][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10370.383684][ T7704] [10370.387681][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10370.387681][ T7704] netdev_get_by_index+0x5e/0x80 [10370.387681][ T7704] fib6_nh_init+0x3d8/0x15b0 [10370.387681][ T7704] ip6_route_info_create+0xf18/0x17d0 [10370.387681][ T7704] addrconf_f6i_alloc+0x315/0x560 [10370.387681][ T7704] ipv6_add_addr+0x411/0x2000 [10370.387681][ T7704] inet6_addr_add+0x30e/0xa40 [10370.387681][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10370.387681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10370.387681][ T7704] netlink_rcv_skb+0x130/0x360 [10370.387681][ T7704] netlink_unicast+0x449/0x710 [10370.387681][ T7704] netlink_sendmsg+0x723/0xbe0 [10370.387681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10370.387681][ T7704] ___sys_sendmsg+0xee/0x170 [10370.387681][ T7704] __sys_sendmsg+0xcd/0x170 [10370.387681][ T7704] do_syscall_64+0xc6/0x1e0 [10370.387681][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10370.387681][ T7704] [10370.391755][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10370.391755][ T7704] netdev_get_by_index+0x5e/0x80 [10370.391755][ T7704] fib6_nh_init+0x3d8/0x15b0 [10370.391755][ T7704] ip6_route_info_create+0xf18/0x17d0 [10370.391755][ T7704] ip6_route_add+0x1c/0x140 [10370.391755][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10370.391755][ T7704] addrconf_add_dev+0xe2/0x170 [10370.391755][ T7704] inet6_addr_add+0x12f/0xa40 [10370.391755][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10370.391755][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10370.391755][ T7704] netlink_rcv_skb+0x130/0x360 [10370.391755][ T7704] netlink_unicast+0x449/0x710 [10370.391755][ T7704] netlink_sendmsg+0x723/0xbe0 [10370.391755][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10370.391755][ T7704] ___sys_sendmsg+0xee/0x170 [10370.391755][ T7704] __sys_sendmsg+0xcd/0x170 [10370.391755][ T7704] do_syscall_64+0xc6/0x1e0 [10370.391755][ T7704] [10370.416537][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10370.416537][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10370.416537][ T7704] ipv6_find_idev+0x102/0x170 [10370.416537][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10370.416537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10370.416537][ T7704] netlink_rcv_skb+0x130/0x360 [10370.416537][ T7704] netlink_unicast+0x449/0x710 [10370.416537][ T7704] netlink_sendmsg+0x723/0xbe0 [10370.416537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10370.416537][ T7704] ___sys_sendmsg+0xee/0x170 [10370.416537][ T7704] __sys_sendmsg+0xcd/0x170 [10370.416537][ T7704] do_syscall_64+0xc6/0x1e0 [10370.416537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10370.416537][ T7704] [10370.433616][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10370.433616][ T7704] neigh_parms_alloc+0x1e5/0x510 [10370.433616][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10370.433616][ T7704] ipv6_find_idev+0x102/0x170 [10370.433616][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10370.433616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10370.433616][ T7704] netlink_rcv_skb+0x130/0x360 [10370.433616][ T7704] netlink_unicast+0x449/0x710 [10370.433616][ T7704] netlink_sendmsg+0x723/0xbe0 [10370.433616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10370.433616][ T7704] ___sys_sendmsg+0xee/0x170 [10370.433616][ T7704] __sys_sendmsg+0xcd/0x170 [10370.433616][ T7704] do_syscall_64+0xc6/0x1e0 [10370.433616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10370.433616][ T7704] [10380.676960][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10380.693130][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10380.693130][ T7704] netdev_get_by_index+0x5e/0x80 [10380.693130][ T7704] fib6_nh_init+0x3d8/0x15b0 [10380.693130][ T7704] ip6_route_info_create+0xf18/0x17d0 [10380.693130][ T7704] ip6_route_add+0x1c/0x140 [10380.693130][ T7704] addrconf_prefix_route+0x2a6/0x430 [10380.693130][ T7704] inet6_addr_add+0x4f8/0xa40 [10380.693130][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10380.693130][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10380.693130][ T7704] netlink_rcv_skb+0x130/0x360 [10380.693130][ T7704] netlink_unicast+0x449/0x710 [10380.693130][ T7704] netlink_sendmsg+0x723/0xbe0 [10380.693130][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10380.693130][ T7704] ___sys_sendmsg+0xee/0x170 [10380.693130][ T7704] __sys_sendmsg+0xcd/0x170 [10380.693130][ T7704] do_syscall_64+0xc6/0x1e0 [10380.693130][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10380.693130][ T7704] [10380.698458][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10380.698458][ T7704] netdev_get_by_index+0x5e/0x80 [10380.698458][ T7704] fib6_nh_init+0x3d8/0x15b0 [10380.698458][ T7704] ip6_route_info_create+0xf18/0x17d0 [10380.698458][ T7704] addrconf_f6i_alloc+0x315/0x560 [10380.698458][ T7704] ipv6_add_addr+0x411/0x2000 [10380.698458][ T7704] inet6_addr_add+0x30e/0xa40 [10380.698458][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10380.698458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10380.698458][ T7704] netlink_rcv_skb+0x130/0x360 [10380.698458][ T7704] netlink_unicast+0x449/0x710 [10380.698458][ T7704] netlink_sendmsg+0x723/0xbe0 [10380.698458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10380.698458][ T7704] ___sys_sendmsg+0xee/0x170 [10380.698458][ T7704] __sys_sendmsg+0xcd/0x170 [10380.698458][ T7704] do_syscall_64+0xc6/0x1e0 [10380.698458][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10380.698458][ T7704] [10380.724162][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10380.724162][ T7704] netdev_get_by_index+0x5e/0x80 [10380.724162][ T7704] fib6_nh_init+0x3d8/0x15b0 [10380.724162][ T7704] ip6_route_info_create+0xf18/0x17d0 [10380.724162][ T7704] ip6_route_add+0x1c/0x140 [10380.724162][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10380.724162][ T7704] addrconf_add_dev+0xe2/0x170 [10380.724162][ T7704] inet6_addr_add+0x12f/0xa40 [10380.724162][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10380.724162][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10380.724162][ T7704] netlink_rcv_skb+0x130/0x360 [10380.724162][ T7704] netlink_unicast+0x449/0x710 [10380.724162][ T7704] netlink_sendmsg+0x723/0xbe0 [10380.724162][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10380.724162][ T7704] ___sys_sendmsg+0xee/0x170 [10380.724162][ T7704] __sys_sendmsg+0xcd/0x170 [10380.724162][ T7704] do_syscall_64+0xc6/0x1e0 [10380.724162][ T7704] [10380.765945][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10380.765945][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10380.765945][ T7704] ipv6_find_idev+0x102/0x170 [10380.765945][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10380.765945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10380.765945][ T7704] netlink_rcv_skb+0x130/0x360 [10380.765945][ T7704] netlink_unicast+0x449/0x710 [10380.765945][ T7704] netlink_sendmsg+0x723/0xbe0 [10380.765945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10380.765945][ T7704] ___sys_sendmsg+0xee/0x170 [10380.765945][ T7704] __sys_sendmsg+0xcd/0x170 [10380.765945][ T7704] do_syscall_64+0xc6/0x1e0 [10380.765945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10380.765945][ T7704] [10380.778360][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10380.778360][ T7704] neigh_parms_alloc+0x1e5/0x510 [10380.778360][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10380.778360][ T7704] ipv6_find_idev+0x102/0x170 [10380.778360][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10380.778360][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10380.778360][ T7704] netlink_rcv_skb+0x130/0x360 [10380.778360][ T7704] netlink_unicast+0x449/0x710 [10380.778360][ T7704] netlink_sendmsg+0x723/0xbe0 [10380.778360][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10380.778360][ T7704] ___sys_sendmsg+0xee/0x170 [10380.778360][ T7704] __sys_sendmsg+0xcd/0x170 [10380.778360][ T7704] do_syscall_64+0xc6/0x1e0 [10380.778360][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10380.778360][ T7704] [10391.020967][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10391.073128][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10391.073128][ T7704] netdev_get_by_index+0x5e/0x80 [10391.073128][ T7704] fib6_nh_init+0x3d8/0x15b0 [10391.073128][ T7704] ip6_route_info_create+0xf18/0x17d0 [10391.073128][ T7704] ip6_route_add+0x1c/0x140 [10391.073128][ T7704] addrconf_prefix_route+0x2a6/0x430 [10391.073128][ T7704] inet6_addr_add+0x4f8/0xa40 [10391.073128][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10391.073128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10391.073128][ T7704] netlink_rcv_skb+0x130/0x360 [10391.073128][ T7704] netlink_unicast+0x449/0x710 [10391.073128][ T7704] netlink_sendmsg+0x723/0xbe0 [10391.073128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10391.073128][ T7704] ___sys_sendmsg+0xee/0x170 [10391.073128][ T7704] __sys_sendmsg+0xcd/0x170 [10391.073128][ T7704] do_syscall_64+0xc6/0x1e0 [10391.073128][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10391.073128][ T7704] [10391.077214][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10391.077214][ T7704] netdev_get_by_index+0x5e/0x80 [10391.077214][ T7704] fib6_nh_init+0x3d8/0x15b0 [10391.077214][ T7704] ip6_route_info_create+0xf18/0x17d0 [10391.077214][ T7704] addrconf_f6i_alloc+0x315/0x560 [10391.077214][ T7704] ipv6_add_addr+0x411/0x2000 [10391.077214][ T7704] inet6_addr_add+0x30e/0xa40 [10391.077214][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10391.077214][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10391.077214][ T7704] netlink_rcv_skb+0x130/0x360 [10391.077214][ T7704] netlink_unicast+0x449/0x710 [10391.077214][ T7704] netlink_sendmsg+0x723/0xbe0 [10391.077214][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10391.077214][ T7704] ___sys_sendmsg+0xee/0x170 [10391.077214][ T7704] __sys_sendmsg+0xcd/0x170 [10391.077214][ T7704] do_syscall_64+0xc6/0x1e0 [10391.077214][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10391.077214][ T7704] [10391.081599][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10391.081599][ T7704] netdev_get_by_index+0x5e/0x80 [10391.081599][ T7704] fib6_nh_init+0x3d8/0x15b0 [10391.081599][ T7704] ip6_route_info_create+0xf18/0x17d0 [10391.081599][ T7704] ip6_route_add+0x1c/0x140 [10391.081599][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10391.081599][ T7704] addrconf_add_dev+0xe2/0x170 [10391.081599][ T7704] inet6_addr_add+0x12f/0xa40 [10391.081599][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10391.081599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10391.081599][ T7704] netlink_rcv_skb+0x130/0x360 [10391.081599][ T7704] netlink_unicast+0x449/0x710 [10391.081599][ T7704] netlink_sendmsg+0x723/0xbe0 [10391.081599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10391.081599][ T7704] ___sys_sendmsg+0xee/0x170 [10391.081599][ T7704] __sys_sendmsg+0xcd/0x170 [10391.081599][ T7704] do_syscall_64+0xc6/0x1e0 [10391.081599][ T7704] [10391.088070][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10391.088070][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10391.088070][ T7704] ipv6_find_idev+0x102/0x170 [10391.088070][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10391.088070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10391.088070][ T7704] netlink_rcv_skb+0x130/0x360 [10391.088070][ T7704] netlink_unicast+0x449/0x710 [10391.088070][ T7704] netlink_sendmsg+0x723/0xbe0 [10391.088070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10391.088070][ T7704] ___sys_sendmsg+0xee/0x170 [10391.088070][ T7704] __sys_sendmsg+0xcd/0x170 [10391.088070][ T7704] do_syscall_64+0xc6/0x1e0 [10391.088070][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10391.088070][ T7704] [10391.118078][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10391.118078][ T7704] neigh_parms_alloc+0x1e5/0x510 [10391.118078][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10391.118078][ T7704] ipv6_find_idev+0x102/0x170 [10391.118078][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10391.118078][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10391.118078][ T7704] netlink_rcv_skb+0x130/0x360 [10391.118078][ T7704] netlink_unicast+0x449/0x710 [10391.118078][ T7704] netlink_sendmsg+0x723/0xbe0 [10391.118078][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10391.118078][ T7704] ___sys_sendmsg+0xee/0x170 [10391.118078][ T7704] __sys_sendmsg+0xcd/0x170 [10391.118078][ T7704] do_syscall_64+0xc6/0x1e0 [10391.118078][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10391.118078][ T7704] [10401.364831][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10401.384709][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10401.384709][ T7704] netdev_get_by_index+0x5e/0x80 [10401.384709][ T7704] fib6_nh_init+0x3d8/0x15b0 [10401.384709][ T7704] ip6_route_info_create+0xf18/0x17d0 [10401.384709][ T7704] ip6_route_add+0x1c/0x140 [10401.384709][ T7704] addrconf_prefix_route+0x2a6/0x430 [10401.384709][ T7704] inet6_addr_add+0x4f8/0xa40 [10401.384709][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10401.384709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10401.384709][ T7704] netlink_rcv_skb+0x130/0x360 [10401.384709][ T7704] netlink_unicast+0x449/0x710 [10401.384709][ T7704] netlink_sendmsg+0x723/0xbe0 [10401.384709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10401.384709][ T7704] ___sys_sendmsg+0xee/0x170 [10401.384709][ T7704] __sys_sendmsg+0xcd/0x170 [10401.384709][ T7704] do_syscall_64+0xc6/0x1e0 [10401.384709][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10401.384709][ T7704] [10401.393574][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10401.393574][ T7704] netdev_get_by_index+0x5e/0x80 [10401.393574][ T7704] fib6_nh_init+0x3d8/0x15b0 [10401.393574][ T7704] ip6_route_info_create+0xf18/0x17d0 [10401.393574][ T7704] addrconf_f6i_alloc+0x315/0x560 [10401.393574][ T7704] ipv6_add_addr+0x411/0x2000 [10401.393574][ T7704] inet6_addr_add+0x30e/0xa40 [10401.393574][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10401.393574][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10401.393574][ T7704] netlink_rcv_skb+0x130/0x360 [10401.393574][ T7704] netlink_unicast+0x449/0x710 [10401.393574][ T7704] netlink_sendmsg+0x723/0xbe0 [10401.393574][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10401.393574][ T7704] ___sys_sendmsg+0xee/0x170 [10401.393574][ T7704] __sys_sendmsg+0xcd/0x170 [10401.393574][ T7704] do_syscall_64+0xc6/0x1e0 [10401.393574][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10401.393574][ T7704] [10401.401277][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10401.401277][ T7704] netdev_get_by_index+0x5e/0x80 [10401.401277][ T7704] fib6_nh_init+0x3d8/0x15b0 [10401.401277][ T7704] ip6_route_info_create+0xf18/0x17d0 [10401.401277][ T7704] ip6_route_add+0x1c/0x140 [10401.401277][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10401.401277][ T7704] addrconf_add_dev+0xe2/0x170 [10401.401277][ T7704] inet6_addr_add+0x12f/0xa40 [10401.401277][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10401.401277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10401.401277][ T7704] netlink_rcv_skb+0x130/0x360 [10401.401277][ T7704] netlink_unicast+0x449/0x710 [10401.401277][ T7704] netlink_sendmsg+0x723/0xbe0 [10401.401277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10401.401277][ T7704] ___sys_sendmsg+0xee/0x170 [10401.401277][ T7704] __sys_sendmsg+0xcd/0x170 [10401.401277][ T7704] do_syscall_64+0xc6/0x1e0 [10401.401277][ T7704] [10401.408693][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10401.408693][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10401.408693][ T7704] ipv6_find_idev+0x102/0x170 [10401.408693][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10401.408693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10401.408693][ T7704] netlink_rcv_skb+0x130/0x360 [10401.408693][ T7704] netlink_unicast+0x449/0x710 [10401.408693][ T7704] netlink_sendmsg+0x723/0xbe0 [10401.408693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10401.408693][ T7704] ___sys_sendmsg+0xee/0x170 [10401.408693][ T7704] __sys_sendmsg+0xcd/0x170 [10401.408693][ T7704] do_syscall_64+0xc6/0x1e0 [10401.408693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10401.408693][ T7704] [10401.414448][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10401.414448][ T7704] neigh_parms_alloc+0x1e5/0x510 [10401.414448][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10401.414448][ T7704] ipv6_find_idev+0x102/0x170 [10401.414448][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10401.414448][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10401.414448][ T7704] netlink_rcv_skb+0x130/0x360 [10401.414448][ T7704] netlink_unicast+0x449/0x710 [10401.414448][ T7704] netlink_sendmsg+0x723/0xbe0 [10401.414448][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10401.414448][ T7704] ___sys_sendmsg+0xee/0x170 [10401.414448][ T7704] __sys_sendmsg+0xcd/0x170 [10401.414448][ T7704] do_syscall_64+0xc6/0x1e0 [10401.414448][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10401.414448][ T7704] [10411.660957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10411.661872][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10411.661872][ T7704] netdev_get_by_index+0x5e/0x80 [10411.661872][ T7704] fib6_nh_init+0x3d8/0x15b0 [10411.661872][ T7704] ip6_route_info_create+0xf18/0x17d0 [10411.661872][ T7704] ip6_route_add+0x1c/0x140 [10411.661872][ T7704] addrconf_prefix_route+0x2a6/0x430 [10411.661872][ T7704] inet6_addr_add+0x4f8/0xa40 [10411.661872][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10411.661872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10411.661872][ T7704] netlink_rcv_skb+0x130/0x360 [10411.661872][ T7704] netlink_unicast+0x449/0x710 [10411.661872][ T7704] netlink_sendmsg+0x723/0xbe0 [10411.661872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10411.661872][ T7704] ___sys_sendmsg+0xee/0x170 [10411.661872][ T7704] __sys_sendmsg+0xcd/0x170 [10411.661872][ T7704] do_syscall_64+0xc6/0x1e0 [10411.661872][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10411.661872][ T7704] [10411.671556][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10411.671556][ T7704] netdev_get_by_index+0x5e/0x80 [10411.671556][ T7704] fib6_nh_init+0x3d8/0x15b0 [10411.671556][ T7704] ip6_route_info_create+0xf18/0x17d0 [10411.671556][ T7704] addrconf_f6i_alloc+0x315/0x560 [10411.671556][ T7704] ipv6_add_addr+0x411/0x2000 [10411.671556][ T7704] inet6_addr_add+0x30e/0xa40 [10411.671556][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10411.671556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10411.671556][ T7704] netlink_rcv_skb+0x130/0x360 [10411.671556][ T7704] netlink_unicast+0x449/0x710 [10411.671556][ T7704] netlink_sendmsg+0x723/0xbe0 [10411.671556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10411.671556][ T7704] ___sys_sendmsg+0xee/0x170 [10411.671556][ T7704] __sys_sendmsg+0xcd/0x170 [10411.671556][ T7704] do_syscall_64+0xc6/0x1e0 [10411.671556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10411.671556][ T7704] [10411.676836][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10411.676836][ T7704] netdev_get_by_index+0x5e/0x80 [10411.676836][ T7704] fib6_nh_init+0x3d8/0x15b0 [10411.676836][ T7704] ip6_route_info_create+0xf18/0x17d0 [10411.676836][ T7704] ip6_route_add+0x1c/0x140 [10411.676836][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10411.676836][ T7704] addrconf_add_dev+0xe2/0x170 [10411.676836][ T7704] inet6_addr_add+0x12f/0xa40 [10411.676836][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10411.676836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10411.676836][ T7704] netlink_rcv_skb+0x130/0x360 [10411.676836][ T7704] netlink_unicast+0x449/0x710 [10411.676836][ T7704] netlink_sendmsg+0x723/0xbe0 [10411.676836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10411.676836][ T7704] ___sys_sendmsg+0xee/0x170 [10411.676836][ T7704] __sys_sendmsg+0xcd/0x170 [10411.676836][ T7704] do_syscall_64+0xc6/0x1e0 [10411.676836][ T7704] [10411.681780][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10411.681780][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10411.681780][ T7704] ipv6_find_idev+0x102/0x170 [10411.681780][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10411.681780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10411.681780][ T7704] netlink_rcv_skb+0x130/0x360 [10411.681780][ T7704] netlink_unicast+0x449/0x710 [10411.681780][ T7704] netlink_sendmsg+0x723/0xbe0 [10411.681780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10411.681780][ T7704] ___sys_sendmsg+0xee/0x170 [10411.681780][ T7704] __sys_sendmsg+0xcd/0x170 [10411.681780][ T7704] do_syscall_64+0xc6/0x1e0 [10411.681780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10411.681780][ T7704] [10411.685086][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10411.685086][ T7704] neigh_parms_alloc+0x1e5/0x510 [10411.685086][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10411.685086][ T7704] ipv6_find_idev+0x102/0x170 [10411.685086][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10411.685086][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10411.685086][ T7704] netlink_rcv_skb+0x130/0x360 [10411.685086][ T7704] netlink_unicast+0x449/0x710 [10411.685086][ T7704] netlink_sendmsg+0x723/0xbe0 [10411.685086][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10411.685086][ T7704] ___sys_sendmsg+0xee/0x170 [10411.685086][ T7704] __sys_sendmsg+0xcd/0x170 [10411.685086][ T7704] do_syscall_64+0xc6/0x1e0 [10411.685086][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10411.685086][ T7704] [10421.692819][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10421.693381][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10421.693381][ T7704] netdev_get_by_index+0x5e/0x80 [10421.693381][ T7704] fib6_nh_init+0x3d8/0x15b0 [10421.693381][ T7704] ip6_route_info_create+0xf18/0x17d0 [10421.693381][ T7704] ip6_route_add+0x1c/0x140 [10421.693381][ T7704] addrconf_prefix_route+0x2a6/0x430 [10421.693381][ T7704] inet6_addr_add+0x4f8/0xa40 [10421.693381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10421.693381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10421.693381][ T7704] netlink_rcv_skb+0x130/0x360 [10421.693381][ T7704] netlink_unicast+0x449/0x710 [10421.693381][ T7704] netlink_sendmsg+0x723/0xbe0 [10421.693381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10421.693381][ T7704] ___sys_sendmsg+0xee/0x170 [10421.693381][ T7704] __sys_sendmsg+0xcd/0x170 [10421.693381][ T7704] do_syscall_64+0xc6/0x1e0 [10421.693381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10421.693381][ T7704] [10421.695948][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10421.695948][ T7704] netdev_get_by_index+0x5e/0x80 [10421.695948][ T7704] fib6_nh_init+0x3d8/0x15b0 [10421.695948][ T7704] ip6_route_info_create+0xf18/0x17d0 [10421.695948][ T7704] addrconf_f6i_alloc+0x315/0x560 [10421.695948][ T7704] ipv6_add_addr+0x411/0x2000 [10421.695948][ T7704] inet6_addr_add+0x30e/0xa40 [10421.695948][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10421.695948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10421.695948][ T7704] netlink_rcv_skb+0x130/0x360 [10421.695948][ T7704] netlink_unicast+0x449/0x710 [10421.695948][ T7704] netlink_sendmsg+0x723/0xbe0 [10421.695948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10421.695948][ T7704] ___sys_sendmsg+0xee/0x170 [10421.695948][ T7704] __sys_sendmsg+0xcd/0x170 [10421.695948][ T7704] do_syscall_64+0xc6/0x1e0 [10421.695948][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10421.695948][ T7704] [10421.698359][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10421.698359][ T7704] netdev_get_by_index+0x5e/0x80 [10421.698359][ T7704] fib6_nh_init+0x3d8/0x15b0 [10421.698359][ T7704] ip6_route_info_create+0xf18/0x17d0 [10421.698359][ T7704] ip6_route_add+0x1c/0x140 [10421.698359][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10421.698359][ T7704] addrconf_add_dev+0xe2/0x170 [10421.698359][ T7704] inet6_addr_add+0x12f/0xa40 [10421.698359][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10421.698359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10421.698359][ T7704] netlink_rcv_skb+0x130/0x360 [10421.698359][ T7704] netlink_unicast+0x449/0x710 [10421.698359][ T7704] netlink_sendmsg+0x723/0xbe0 [10421.698359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10421.698359][ T7704] ___sys_sendmsg+0xee/0x170 [10421.698359][ T7704] __sys_sendmsg+0xcd/0x170 [10421.698359][ T7704] do_syscall_64+0xc6/0x1e0 [10421.698359][ T7704] [10421.700681][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10421.700681][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10421.700681][ T7704] ipv6_find_idev+0x102/0x170 [10421.700681][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10421.700681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10421.700681][ T7704] netlink_rcv_skb+0x130/0x360 [10421.700681][ T7704] netlink_unicast+0x449/0x710 [10421.700681][ T7704] netlink_sendmsg+0x723/0xbe0 [10421.700681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10421.700681][ T7704] ___sys_sendmsg+0xee/0x170 [10421.700681][ T7704] __sys_sendmsg+0xcd/0x170 [10421.700681][ T7704] do_syscall_64+0xc6/0x1e0 [10421.700681][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10421.700681][ T7704] [10421.702426][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10421.702426][ T7704] neigh_parms_alloc+0x1e5/0x510 [10421.702426][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10421.702426][ T7704] ipv6_find_idev+0x102/0x170 [10421.702426][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10421.702426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10421.702426][ T7704] netlink_rcv_skb+0x130/0x360 [10421.702426][ T7704] netlink_unicast+0x449/0x710 [10421.702426][ T7704] netlink_sendmsg+0x723/0xbe0 [10421.702426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10421.702426][ T7704] ___sys_sendmsg+0xee/0x170 [10421.702426][ T7704] __sys_sendmsg+0xcd/0x170 [10421.702426][ T7704] do_syscall_64+0xc6/0x1e0 [10421.702426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10421.702426][ T7704] [10431.860826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10431.861389][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10431.861389][ T7704] netdev_get_by_index+0x5e/0x80 [10431.861389][ T7704] fib6_nh_init+0x3d8/0x15b0 [10431.861389][ T7704] ip6_route_info_create+0xf18/0x17d0 [10431.861389][ T7704] ip6_route_add+0x1c/0x140 [10431.861389][ T7704] addrconf_prefix_route+0x2a6/0x430 [10431.861389][ T7704] inet6_addr_add+0x4f8/0xa40 [10431.861389][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10431.861389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10431.861389][ T7704] netlink_rcv_skb+0x130/0x360 [10431.861389][ T7704] netlink_unicast+0x449/0x710 [10431.861389][ T7704] netlink_sendmsg+0x723/0xbe0 [10431.861389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10431.861389][ T7704] ___sys_sendmsg+0xee/0x170 [10431.861389][ T7704] __sys_sendmsg+0xcd/0x170 [10431.861389][ T7704] do_syscall_64+0xc6/0x1e0 [10431.861389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10431.861389][ T7704] [10431.863688][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10431.863688][ T7704] netdev_get_by_index+0x5e/0x80 [10431.863688][ T7704] fib6_nh_init+0x3d8/0x15b0 [10431.863688][ T7704] ip6_route_info_create+0xf18/0x17d0 [10431.863688][ T7704] addrconf_f6i_alloc+0x315/0x560 [10431.863688][ T7704] ipv6_add_addr+0x411/0x2000 [10431.863688][ T7704] inet6_addr_add+0x30e/0xa40 [10431.863688][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10431.863688][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10431.863688][ T7704] netlink_rcv_skb+0x130/0x360 [10431.863688][ T7704] netlink_unicast+0x449/0x710 [10431.863688][ T7704] netlink_sendmsg+0x723/0xbe0 [10431.863688][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10431.863688][ T7704] ___sys_sendmsg+0xee/0x170 [10431.863688][ T7704] __sys_sendmsg+0xcd/0x170 [10431.863688][ T7704] do_syscall_64+0xc6/0x1e0 [10431.863688][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10431.863688][ T7704] [10431.865952][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10431.865952][ T7704] netdev_get_by_index+0x5e/0x80 [10431.865952][ T7704] fib6_nh_init+0x3d8/0x15b0 [10431.865952][ T7704] ip6_route_info_create+0xf18/0x17d0 [10431.865952][ T7704] ip6_route_add+0x1c/0x140 [10431.865952][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10431.865952][ T7704] addrconf_add_dev+0xe2/0x170 [10431.865952][ T7704] inet6_addr_add+0x12f/0xa40 [10431.865952][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10431.865952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10431.865952][ T7704] netlink_rcv_skb+0x130/0x360 [10431.865952][ T7704] netlink_unicast+0x449/0x710 [10431.865952][ T7704] netlink_sendmsg+0x723/0xbe0 [10431.865952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10431.865952][ T7704] ___sys_sendmsg+0xee/0x170 [10431.865952][ T7704] __sys_sendmsg+0xcd/0x170 [10431.865952][ T7704] do_syscall_64+0xc6/0x1e0 [10431.865952][ T7704] [10431.868179][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10431.868179][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10431.868179][ T7704] ipv6_find_idev+0x102/0x170 [10431.868179][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10431.868179][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10431.868179][ T7704] netlink_rcv_skb+0x130/0x360 [10431.868179][ T7704] netlink_unicast+0x449/0x710 [10431.868179][ T7704] netlink_sendmsg+0x723/0xbe0 [10431.868179][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10431.868179][ T7704] ___sys_sendmsg+0xee/0x170 [10431.868179][ T7704] __sys_sendmsg+0xcd/0x170 [10431.868179][ T7704] do_syscall_64+0xc6/0x1e0 [10431.868179][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10431.868179][ T7704] [10431.869933][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10431.869933][ T7704] neigh_parms_alloc+0x1e5/0x510 [10431.869933][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10431.869933][ T7704] ipv6_find_idev+0x102/0x170 [10431.869933][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10431.869933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10431.869933][ T7704] netlink_rcv_skb+0x130/0x360 [10431.869933][ T7704] netlink_unicast+0x449/0x710 [10431.869933][ T7704] netlink_sendmsg+0x723/0xbe0 [10431.869933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10431.869933][ T7704] ___sys_sendmsg+0xee/0x170 [10431.869933][ T7704] __sys_sendmsg+0xcd/0x170 [10431.869933][ T7704] do_syscall_64+0xc6/0x1e0 [10431.869933][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10431.869933][ T7704] [10442.116827][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10442.117435][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10442.117435][ T7704] netdev_get_by_index+0x5e/0x80 [10442.117435][ T7704] fib6_nh_init+0x3d8/0x15b0 [10442.117435][ T7704] ip6_route_info_create+0xf18/0x17d0 [10442.117435][ T7704] ip6_route_add+0x1c/0x140 [10442.117435][ T7704] addrconf_prefix_route+0x2a6/0x430 [10442.117435][ T7704] inet6_addr_add+0x4f8/0xa40 [10442.117435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10442.117435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10442.117435][ T7704] netlink_rcv_skb+0x130/0x360 [10442.117435][ T7704] netlink_unicast+0x449/0x710 [10442.117435][ T7704] netlink_sendmsg+0x723/0xbe0 [10442.117435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10442.117435][ T7704] ___sys_sendmsg+0xee/0x170 [10442.117435][ T7704] __sys_sendmsg+0xcd/0x170 [10442.117435][ T7704] do_syscall_64+0xc6/0x1e0 [10442.117435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10442.117435][ T7704] [10442.119754][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10442.119754][ T7704] netdev_get_by_index+0x5e/0x80 [10442.119754][ T7704] fib6_nh_init+0x3d8/0x15b0 [10442.119754][ T7704] ip6_route_info_create+0xf18/0x17d0 [10442.119754][ T7704] addrconf_f6i_alloc+0x315/0x560 [10442.119754][ T7704] ipv6_add_addr+0x411/0x2000 [10442.119754][ T7704] inet6_addr_add+0x30e/0xa40 [10442.119754][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10442.119754][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10442.119754][ T7704] netlink_rcv_skb+0x130/0x360 [10442.119754][ T7704] netlink_unicast+0x449/0x710 [10442.119754][ T7704] netlink_sendmsg+0x723/0xbe0 [10442.119754][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10442.119754][ T7704] ___sys_sendmsg+0xee/0x170 [10442.119754][ T7704] __sys_sendmsg+0xcd/0x170 [10442.119754][ T7704] do_syscall_64+0xc6/0x1e0 [10442.119754][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10442.119754][ T7704] [10442.122012][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10442.122012][ T7704] netdev_get_by_index+0x5e/0x80 [10442.122012][ T7704] fib6_nh_init+0x3d8/0x15b0 [10442.122012][ T7704] ip6_route_info_create+0xf18/0x17d0 [10442.122012][ T7704] ip6_route_add+0x1c/0x140 [10442.122012][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10442.122012][ T7704] addrconf_add_dev+0xe2/0x170 [10442.122012][ T7704] inet6_addr_add+0x12f/0xa40 [10442.122012][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10442.122012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10442.122012][ T7704] netlink_rcv_skb+0x130/0x360 [10442.122012][ T7704] netlink_unicast+0x449/0x710 [10442.122012][ T7704] netlink_sendmsg+0x723/0xbe0 [10442.122012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10442.122012][ T7704] ___sys_sendmsg+0xee/0x170 [10442.122012][ T7704] __sys_sendmsg+0xcd/0x170 [10442.122012][ T7704] do_syscall_64+0xc6/0x1e0 [10442.122012][ T7704] [10442.124225][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10442.124225][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10442.124225][ T7704] ipv6_find_idev+0x102/0x170 [10442.124225][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10442.124225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10442.124225][ T7704] netlink_rcv_skb+0x130/0x360 [10442.124225][ T7704] netlink_unicast+0x449/0x710 [10442.124225][ T7704] netlink_sendmsg+0x723/0xbe0 [10442.124225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10442.124225][ T7704] ___sys_sendmsg+0xee/0x170 [10442.124225][ T7704] __sys_sendmsg+0xcd/0x170 [10442.124225][ T7704] do_syscall_64+0xc6/0x1e0 [10442.124225][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10442.124225][ T7704] [10442.125948][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10442.125948][ T7704] neigh_parms_alloc+0x1e5/0x510 [10442.125948][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10442.125948][ T7704] ipv6_find_idev+0x102/0x170 [10442.125948][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10442.125948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10442.125948][ T7704] netlink_rcv_skb+0x130/0x360 [10442.125948][ T7704] netlink_unicast+0x449/0x710 [10442.125948][ T7704] netlink_sendmsg+0x723/0xbe0 [10442.125948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10442.125948][ T7704] ___sys_sendmsg+0xee/0x170 [10442.125948][ T7704] __sys_sendmsg+0xcd/0x170 [10442.125948][ T7704] do_syscall_64+0xc6/0x1e0 [10442.125948][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10442.125948][ T7704] [10452.372805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10452.373358][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10452.373358][ T7704] netdev_get_by_index+0x5e/0x80 [10452.373358][ T7704] fib6_nh_init+0x3d8/0x15b0 [10452.373358][ T7704] ip6_route_info_create+0xf18/0x17d0 [10452.373358][ T7704] ip6_route_add+0x1c/0x140 [10452.373358][ T7704] addrconf_prefix_route+0x2a6/0x430 [10452.373358][ T7704] inet6_addr_add+0x4f8/0xa40 [10452.373358][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10452.373358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10452.373358][ T7704] netlink_rcv_skb+0x130/0x360 [10452.373358][ T7704] netlink_unicast+0x449/0x710 [10452.373358][ T7704] netlink_sendmsg+0x723/0xbe0 [10452.373358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10452.373358][ T7704] ___sys_sendmsg+0xee/0x170 [10452.373358][ T7704] __sys_sendmsg+0xcd/0x170 [10452.373358][ T7704] do_syscall_64+0xc6/0x1e0 [10452.373358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10452.373358][ T7704] [10452.376110][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10452.376110][ T7704] netdev_get_by_index+0x5e/0x80 [10452.376110][ T7704] fib6_nh_init+0x3d8/0x15b0 [10452.376110][ T7704] ip6_route_info_create+0xf18/0x17d0 [10452.376110][ T7704] addrconf_f6i_alloc+0x315/0x560 [10452.376110][ T7704] ipv6_add_addr+0x411/0x2000 [10452.376110][ T7704] inet6_addr_add+0x30e/0xa40 [10452.376110][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10452.376110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10452.376110][ T7704] netlink_rcv_skb+0x130/0x360 [10452.376110][ T7704] netlink_unicast+0x449/0x710 [10452.376110][ T7704] netlink_sendmsg+0x723/0xbe0 [10452.376110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10452.376110][ T7704] ___sys_sendmsg+0xee/0x170 [10452.376110][ T7704] __sys_sendmsg+0xcd/0x170 [10452.376110][ T7704] do_syscall_64+0xc6/0x1e0 [10452.376110][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10452.376110][ T7704] [10452.378817][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10452.378817][ T7704] netdev_get_by_index+0x5e/0x80 [10452.378817][ T7704] fib6_nh_init+0x3d8/0x15b0 [10452.378817][ T7704] ip6_route_info_create+0xf18/0x17d0 [10452.378817][ T7704] ip6_route_add+0x1c/0x140 [10452.378817][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10452.378817][ T7704] addrconf_add_dev+0xe2/0x170 [10452.378817][ T7704] inet6_addr_add+0x12f/0xa40 [10452.378817][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10452.378817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10452.378817][ T7704] netlink_rcv_skb+0x130/0x360 [10452.378817][ T7704] netlink_unicast+0x449/0x710 [10452.378817][ T7704] netlink_sendmsg+0x723/0xbe0 [10452.378817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10452.378817][ T7704] ___sys_sendmsg+0xee/0x170 [10452.378817][ T7704] __sys_sendmsg+0xcd/0x170 [10452.378817][ T7704] do_syscall_64+0xc6/0x1e0 [10452.378817][ T7704] [10452.381480][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10452.381480][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10452.381480][ T7704] ipv6_find_idev+0x102/0x170 [10452.381480][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10452.381480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10452.381480][ T7704] netlink_rcv_skb+0x130/0x360 [10452.381480][ T7704] netlink_unicast+0x449/0x710 [10452.381480][ T7704] netlink_sendmsg+0x723/0xbe0 [10452.381480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10452.381480][ T7704] ___sys_sendmsg+0xee/0x170 [10452.381480][ T7704] __sys_sendmsg+0xcd/0x170 [10452.381480][ T7704] do_syscall_64+0xc6/0x1e0 [10452.381480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10452.381480][ T7704] [10452.383577][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10452.383577][ T7704] neigh_parms_alloc+0x1e5/0x510 [10452.383577][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10452.383577][ T7704] ipv6_find_idev+0x102/0x170 [10452.383577][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10452.383577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10452.383577][ T7704] netlink_rcv_skb+0x130/0x360 [10452.383577][ T7704] netlink_unicast+0x449/0x710 [10452.383577][ T7704] netlink_sendmsg+0x723/0xbe0 [10452.383577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10452.383577][ T7704] ___sys_sendmsg+0xee/0x170 [10452.383577][ T7704] __sys_sendmsg+0xcd/0x170 [10452.383577][ T7704] do_syscall_64+0xc6/0x1e0 [10452.383577][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10452.383577][ T7704] [10462.837042][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10462.837534][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10462.837534][ T7704] netdev_get_by_index+0x5e/0x80 [10462.837534][ T7704] fib6_nh_init+0x3d8/0x15b0 [10462.837534][ T7704] ip6_route_info_create+0xf18/0x17d0 [10462.837534][ T7704] ip6_route_add+0x1c/0x140 [10462.837534][ T7704] addrconf_prefix_route+0x2a6/0x430 [10462.837534][ T7704] inet6_addr_add+0x4f8/0xa40 [10462.837534][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10462.837534][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10462.837534][ T7704] netlink_rcv_skb+0x130/0x360 [10462.837534][ T7704] netlink_unicast+0x449/0x710 [10462.837534][ T7704] netlink_sendmsg+0x723/0xbe0 [10462.837534][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10462.837534][ T7704] ___sys_sendmsg+0xee/0x170 [10462.837534][ T7704] __sys_sendmsg+0xcd/0x170 [10462.837534][ T7704] do_syscall_64+0xc6/0x1e0 [10462.837534][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10462.837534][ T7704] [10462.840016][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10462.840016][ T7704] netdev_get_by_index+0x5e/0x80 [10462.840016][ T7704] fib6_nh_init+0x3d8/0x15b0 [10462.840016][ T7704] ip6_route_info_create+0xf18/0x17d0 [10462.840016][ T7704] addrconf_f6i_alloc+0x315/0x560 [10462.840016][ T7704] ipv6_add_addr+0x411/0x2000 [10462.840016][ T7704] inet6_addr_add+0x30e/0xa40 [10462.840016][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10462.840016][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10462.840016][ T7704] netlink_rcv_skb+0x130/0x360 [10462.840016][ T7704] netlink_unicast+0x449/0x710 [10462.840016][ T7704] netlink_sendmsg+0x723/0xbe0 [10462.840016][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10462.840016][ T7704] ___sys_sendmsg+0xee/0x170 [10462.840016][ T7704] __sys_sendmsg+0xcd/0x170 [10462.840016][ T7704] do_syscall_64+0xc6/0x1e0 [10462.840016][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10462.840016][ T7704] [10462.842488][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10462.842488][ T7704] netdev_get_by_index+0x5e/0x80 [10462.842488][ T7704] fib6_nh_init+0x3d8/0x15b0 [10462.842488][ T7704] ip6_route_info_create+0xf18/0x17d0 [10462.842488][ T7704] ip6_route_add+0x1c/0x140 [10462.842488][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10462.842488][ T7704] addrconf_add_dev+0xe2/0x170 [10462.842488][ T7704] inet6_addr_add+0x12f/0xa40 [10462.842488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10462.842488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10462.842488][ T7704] netlink_rcv_skb+0x130/0x360 [10462.842488][ T7704] netlink_unicast+0x449/0x710 [10462.842488][ T7704] netlink_sendmsg+0x723/0xbe0 [10462.842488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10462.842488][ T7704] ___sys_sendmsg+0xee/0x170 [10462.842488][ T7704] __sys_sendmsg+0xcd/0x170 [10462.842488][ T7704] do_syscall_64+0xc6/0x1e0 [10462.842488][ T7704] [10462.844911][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10462.844911][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10462.844911][ T7704] ipv6_find_idev+0x102/0x170 [10462.844911][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10462.844911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10462.844911][ T7704] netlink_rcv_skb+0x130/0x360 [10462.844911][ T7704] netlink_unicast+0x449/0x710 [10462.844911][ T7704] netlink_sendmsg+0x723/0xbe0 [10462.844911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10462.844911][ T7704] ___sys_sendmsg+0xee/0x170 [10462.844911][ T7704] __sys_sendmsg+0xcd/0x170 [10462.844911][ T7704] do_syscall_64+0xc6/0x1e0 [10462.844911][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10462.844911][ T7704] [10462.846814][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10462.846814][ T7704] neigh_parms_alloc+0x1e5/0x510 [10462.846814][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10462.846814][ T7704] ipv6_find_idev+0x102/0x170 [10462.846814][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10462.846814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10462.846814][ T7704] netlink_rcv_skb+0x130/0x360 [10462.846814][ T7704] netlink_unicast+0x449/0x710 [10462.846814][ T7704] netlink_sendmsg+0x723/0xbe0 [10462.846814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10462.846814][ T7704] ___sys_sendmsg+0xee/0x170 [10462.846814][ T7704] __sys_sendmsg+0xcd/0x170 [10462.846814][ T7704] do_syscall_64+0xc6/0x1e0 [10462.846814][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10462.846814][ T7704] [10473.100851][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10473.101361][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10473.101361][ T7704] netdev_get_by_index+0x5e/0x80 [10473.101361][ T7704] fib6_nh_init+0x3d8/0x15b0 [10473.101361][ T7704] ip6_route_info_create+0xf18/0x17d0 [10473.101361][ T7704] ip6_route_add+0x1c/0x140 [10473.101361][ T7704] addrconf_prefix_route+0x2a6/0x430 [10473.101361][ T7704] inet6_addr_add+0x4f8/0xa40 [10473.101361][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10473.101361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10473.101361][ T7704] netlink_rcv_skb+0x130/0x360 [10473.101361][ T7704] netlink_unicast+0x449/0x710 [10473.101361][ T7704] netlink_sendmsg+0x723/0xbe0 [10473.101361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10473.101361][ T7704] ___sys_sendmsg+0xee/0x170 [10473.101361][ T7704] __sys_sendmsg+0xcd/0x170 [10473.101361][ T7704] do_syscall_64+0xc6/0x1e0 [10473.101361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10473.101361][ T7704] [10473.103693][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10473.103693][ T7704] netdev_get_by_index+0x5e/0x80 [10473.103693][ T7704] fib6_nh_init+0x3d8/0x15b0 [10473.103693][ T7704] ip6_route_info_create+0xf18/0x17d0 [10473.103693][ T7704] addrconf_f6i_alloc+0x315/0x560 [10473.103693][ T7704] ipv6_add_addr+0x411/0x2000 [10473.103693][ T7704] inet6_addr_add+0x30e/0xa40 [10473.103693][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10473.103693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10473.103693][ T7704] netlink_rcv_skb+0x130/0x360 [10473.103693][ T7704] netlink_unicast+0x449/0x710 [10473.103693][ T7704] netlink_sendmsg+0x723/0xbe0 [10473.103693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10473.103693][ T7704] ___sys_sendmsg+0xee/0x170 [10473.103693][ T7704] __sys_sendmsg+0xcd/0x170 [10473.103693][ T7704] do_syscall_64+0xc6/0x1e0 [10473.103693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10473.103693][ T7704] [10473.105962][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10473.105962][ T7704] netdev_get_by_index+0x5e/0x80 [10473.105962][ T7704] fib6_nh_init+0x3d8/0x15b0 [10473.105962][ T7704] ip6_route_info_create+0xf18/0x17d0 [10473.105962][ T7704] ip6_route_add+0x1c/0x140 [10473.105962][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10473.105962][ T7704] addrconf_add_dev+0xe2/0x170 [10473.105962][ T7704] inet6_addr_add+0x12f/0xa40 [10473.105962][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10473.105962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10473.105962][ T7704] netlink_rcv_skb+0x130/0x360 [10473.105962][ T7704] netlink_unicast+0x449/0x710 [10473.105962][ T7704] netlink_sendmsg+0x723/0xbe0 [10473.105962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10473.105962][ T7704] ___sys_sendmsg+0xee/0x170 [10473.105962][ T7704] __sys_sendmsg+0xcd/0x170 [10473.105962][ T7704] do_syscall_64+0xc6/0x1e0 [10473.105962][ T7704] [10473.108185][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10473.108185][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10473.108185][ T7704] ipv6_find_idev+0x102/0x170 [10473.108185][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10473.108185][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10473.108185][ T7704] netlink_rcv_skb+0x130/0x360 [10473.108185][ T7704] netlink_unicast+0x449/0x710 [10473.108185][ T7704] netlink_sendmsg+0x723/0xbe0 [10473.108185][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10473.108185][ T7704] ___sys_sendmsg+0xee/0x170 [10473.108185][ T7704] __sys_sendmsg+0xcd/0x170 [10473.108185][ T7704] do_syscall_64+0xc6/0x1e0 [10473.108185][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10473.108185][ T7704] [10473.109925][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10473.109925][ T7704] neigh_parms_alloc+0x1e5/0x510 [10473.109925][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10473.109925][ T7704] ipv6_find_idev+0x102/0x170 [10473.109925][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10473.109925][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10473.109925][ T7704] netlink_rcv_skb+0x130/0x360 [10473.109925][ T7704] netlink_unicast+0x449/0x710 [10473.109925][ T7704] netlink_sendmsg+0x723/0xbe0 [10473.109925][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10473.109925][ T7704] ___sys_sendmsg+0xee/0x170 [10473.109925][ T7704] __sys_sendmsg+0xcd/0x170 [10473.109925][ T7704] do_syscall_64+0xc6/0x1e0 [10473.109925][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10473.109925][ T7704] [10483.164789][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10483.165275][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10483.165275][ T7704] netdev_get_by_index+0x5e/0x80 [10483.165275][ T7704] fib6_nh_init+0x3d8/0x15b0 [10483.165275][ T7704] ip6_route_info_create+0xf18/0x17d0 [10483.165275][ T7704] ip6_route_add+0x1c/0x140 [10483.165275][ T7704] addrconf_prefix_route+0x2a6/0x430 [10483.165275][ T7704] inet6_addr_add+0x4f8/0xa40 [10483.165275][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10483.165275][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10483.165275][ T7704] netlink_rcv_skb+0x130/0x360 [10483.165275][ T7704] netlink_unicast+0x449/0x710 [10483.165275][ T7704] netlink_sendmsg+0x723/0xbe0 [10483.165275][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10483.165275][ T7704] ___sys_sendmsg+0xee/0x170 [10483.165275][ T7704] __sys_sendmsg+0xcd/0x170 [10483.165275][ T7704] do_syscall_64+0xc6/0x1e0 [10483.165275][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10483.165275][ T7704] [10483.167761][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10483.167761][ T7704] netdev_get_by_index+0x5e/0x80 [10483.167761][ T7704] fib6_nh_init+0x3d8/0x15b0 [10483.167761][ T7704] ip6_route_info_create+0xf18/0x17d0 [10483.167761][ T7704] addrconf_f6i_alloc+0x315/0x560 [10483.167761][ T7704] ipv6_add_addr+0x411/0x2000 [10483.167761][ T7704] inet6_addr_add+0x30e/0xa40 [10483.167761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10483.167761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10483.167761][ T7704] netlink_rcv_skb+0x130/0x360 [10483.167761][ T7704] netlink_unicast+0x449/0x710 [10483.167761][ T7704] netlink_sendmsg+0x723/0xbe0 [10483.167761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10483.167761][ T7704] ___sys_sendmsg+0xee/0x170 [10483.167761][ T7704] __sys_sendmsg+0xcd/0x170 [10483.167761][ T7704] do_syscall_64+0xc6/0x1e0 [10483.167761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10483.167761][ T7704] [10483.170245][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10483.170245][ T7704] netdev_get_by_index+0x5e/0x80 [10483.170245][ T7704] fib6_nh_init+0x3d8/0x15b0 [10483.170245][ T7704] ip6_route_info_create+0xf18/0x17d0 [10483.170245][ T7704] ip6_route_add+0x1c/0x140 [10483.170245][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10483.170245][ T7704] addrconf_add_dev+0xe2/0x170 [10483.170245][ T7704] inet6_addr_add+0x12f/0xa40 [10483.170245][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10483.170245][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10483.170245][ T7704] netlink_rcv_skb+0x130/0x360 [10483.170245][ T7704] netlink_unicast+0x449/0x710 [10483.170245][ T7704] netlink_sendmsg+0x723/0xbe0 [10483.170245][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10483.170245][ T7704] ___sys_sendmsg+0xee/0x170 [10483.170245][ T7704] __sys_sendmsg+0xcd/0x170 [10483.170245][ T7704] do_syscall_64+0xc6/0x1e0 [10483.170245][ T7704] [10483.172691][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10483.172691][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10483.172691][ T7704] ipv6_find_idev+0x102/0x170 [10483.172691][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10483.172691][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10483.172691][ T7704] netlink_rcv_skb+0x130/0x360 [10483.172691][ T7704] netlink_unicast+0x449/0x710 [10483.172691][ T7704] netlink_sendmsg+0x723/0xbe0 [10483.172691][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10483.172691][ T7704] ___sys_sendmsg+0xee/0x170 [10483.172691][ T7704] __sys_sendmsg+0xcd/0x170 [10483.172691][ T7704] do_syscall_64+0xc6/0x1e0 [10483.172691][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10483.172691][ T7704] [10483.174574][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10483.174574][ T7704] neigh_parms_alloc+0x1e5/0x510 [10483.174574][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10483.174574][ T7704] ipv6_find_idev+0x102/0x170 [10483.174574][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10483.174574][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10483.174574][ T7704] netlink_rcv_skb+0x130/0x360 [10483.174574][ T7704] netlink_unicast+0x449/0x710 [10483.174574][ T7704] netlink_sendmsg+0x723/0xbe0 [10483.174574][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10483.174574][ T7704] ___sys_sendmsg+0xee/0x170 [10483.174574][ T7704] __sys_sendmsg+0xcd/0x170 [10483.174574][ T7704] do_syscall_64+0xc6/0x1e0 [10483.174574][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10483.174574][ T7704] [10493.412836][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10493.413546][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10493.413546][ T7704] netdev_get_by_index+0x5e/0x80 [10493.413546][ T7704] fib6_nh_init+0x3d8/0x15b0 [10493.413546][ T7704] ip6_route_info_create+0xf18/0x17d0 [10493.413546][ T7704] ip6_route_add+0x1c/0x140 [10493.413546][ T7704] addrconf_prefix_route+0x2a6/0x430 [10493.413546][ T7704] inet6_addr_add+0x4f8/0xa40 [10493.413546][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10493.413546][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10493.413546][ T7704] netlink_rcv_skb+0x130/0x360 [10493.413546][ T7704] netlink_unicast+0x449/0x710 [10493.413546][ T7704] netlink_sendmsg+0x723/0xbe0 [10493.413546][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10493.413546][ T7704] ___sys_sendmsg+0xee/0x170 [10493.413546][ T7704] __sys_sendmsg+0xcd/0x170 [10493.413546][ T7704] do_syscall_64+0xc6/0x1e0 [10493.413546][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10493.413546][ T7704] [10493.416893][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10493.416893][ T7704] netdev_get_by_index+0x5e/0x80 [10493.416893][ T7704] fib6_nh_init+0x3d8/0x15b0 [10493.416893][ T7704] ip6_route_info_create+0xf18/0x17d0 [10493.416893][ T7704] addrconf_f6i_alloc+0x315/0x560 [10493.416893][ T7704] ipv6_add_addr+0x411/0x2000 [10493.416893][ T7704] inet6_addr_add+0x30e/0xa40 [10493.416893][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10493.416893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10493.416893][ T7704] netlink_rcv_skb+0x130/0x360 [10493.416893][ T7704] netlink_unicast+0x449/0x710 [10493.416893][ T7704] netlink_sendmsg+0x723/0xbe0 [10493.416893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10493.416893][ T7704] ___sys_sendmsg+0xee/0x170 [10493.416893][ T7704] __sys_sendmsg+0xcd/0x170 [10493.416893][ T7704] do_syscall_64+0xc6/0x1e0 [10493.416893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10493.416893][ T7704] [10493.419159][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10493.419159][ T7704] netdev_get_by_index+0x5e/0x80 [10493.419159][ T7704] fib6_nh_init+0x3d8/0x15b0 [10493.419159][ T7704] ip6_route_info_create+0xf18/0x17d0 [10493.419159][ T7704] ip6_route_add+0x1c/0x140 [10493.419159][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10493.419159][ T7704] addrconf_add_dev+0xe2/0x170 [10493.419159][ T7704] inet6_addr_add+0x12f/0xa40 [10493.419159][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10493.419159][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10493.419159][ T7704] netlink_rcv_skb+0x130/0x360 [10493.419159][ T7704] netlink_unicast+0x449/0x710 [10493.419159][ T7704] netlink_sendmsg+0x723/0xbe0 [10493.419159][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10493.419159][ T7704] ___sys_sendmsg+0xee/0x170 [10493.419159][ T7704] __sys_sendmsg+0xcd/0x170 [10493.419159][ T7704] do_syscall_64+0xc6/0x1e0 [10493.419159][ T7704] [10493.421372][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10493.421372][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10493.421372][ T7704] ipv6_find_idev+0x102/0x170 [10493.421372][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10493.421372][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10493.421372][ T7704] netlink_rcv_skb+0x130/0x360 [10493.421372][ T7704] netlink_unicast+0x449/0x710 [10493.421372][ T7704] netlink_sendmsg+0x723/0xbe0 [10493.421372][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10493.421372][ T7704] ___sys_sendmsg+0xee/0x170 [10493.421372][ T7704] __sys_sendmsg+0xcd/0x170 [10493.421372][ T7704] do_syscall_64+0xc6/0x1e0 [10493.421372][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10493.421372][ T7704] [10493.423142][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10493.423142][ T7704] neigh_parms_alloc+0x1e5/0x510 [10493.423142][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10493.423142][ T7704] ipv6_find_idev+0x102/0x170 [10493.423142][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10493.423142][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10493.423142][ T7704] netlink_rcv_skb+0x130/0x360 [10493.423142][ T7704] netlink_unicast+0x449/0x710 [10493.423142][ T7704] netlink_sendmsg+0x723/0xbe0 [10493.423142][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10493.423142][ T7704] ___sys_sendmsg+0xee/0x170 [10493.423142][ T7704] __sys_sendmsg+0xcd/0x170 [10493.423142][ T7704] do_syscall_64+0xc6/0x1e0 [10493.423142][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10493.423142][ T7704] [10503.500821][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10503.501366][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10503.501366][ T7704] netdev_get_by_index+0x5e/0x80 [10503.501366][ T7704] fib6_nh_init+0x3d8/0x15b0 [10503.501366][ T7704] ip6_route_info_create+0xf18/0x17d0 [10503.501366][ T7704] ip6_route_add+0x1c/0x140 [10503.501366][ T7704] addrconf_prefix_route+0x2a6/0x430 [10503.501366][ T7704] inet6_addr_add+0x4f8/0xa40 [10503.501366][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10503.501366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10503.501366][ T7704] netlink_rcv_skb+0x130/0x360 [10503.501366][ T7704] netlink_unicast+0x449/0x710 [10503.501366][ T7704] netlink_sendmsg+0x723/0xbe0 [10503.501366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10503.501366][ T7704] ___sys_sendmsg+0xee/0x170 [10503.501366][ T7704] __sys_sendmsg+0xcd/0x170 [10503.501366][ T7704] do_syscall_64+0xc6/0x1e0 [10503.501366][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10503.501366][ T7704] [10503.503666][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10503.503666][ T7704] netdev_get_by_index+0x5e/0x80 [10503.503666][ T7704] fib6_nh_init+0x3d8/0x15b0 [10503.503666][ T7704] ip6_route_info_create+0xf18/0x17d0 [10503.503666][ T7704] addrconf_f6i_alloc+0x315/0x560 [10503.503666][ T7704] ipv6_add_addr+0x411/0x2000 [10503.503666][ T7704] inet6_addr_add+0x30e/0xa40 [10503.503666][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10503.503666][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10503.503666][ T7704] netlink_rcv_skb+0x130/0x360 [10503.503666][ T7704] netlink_unicast+0x449/0x710 [10503.503666][ T7704] netlink_sendmsg+0x723/0xbe0 [10503.503666][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10503.503666][ T7704] ___sys_sendmsg+0xee/0x170 [10503.503666][ T7704] __sys_sendmsg+0xcd/0x170 [10503.503666][ T7704] do_syscall_64+0xc6/0x1e0 [10503.503666][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10503.503666][ T7704] [10503.505928][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10503.505928][ T7704] netdev_get_by_index+0x5e/0x80 [10503.505928][ T7704] fib6_nh_init+0x3d8/0x15b0 [10503.505928][ T7704] ip6_route_info_create+0xf18/0x17d0 [10503.505928][ T7704] ip6_route_add+0x1c/0x140 [10503.505928][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10503.505928][ T7704] addrconf_add_dev+0xe2/0x170 [10503.505928][ T7704] inet6_addr_add+0x12f/0xa40 [10503.505928][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10503.505928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10503.505928][ T7704] netlink_rcv_skb+0x130/0x360 [10503.505928][ T7704] netlink_unicast+0x449/0x710 [10503.505928][ T7704] netlink_sendmsg+0x723/0xbe0 [10503.505928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10503.505928][ T7704] ___sys_sendmsg+0xee/0x170 [10503.505928][ T7704] __sys_sendmsg+0xcd/0x170 [10503.505928][ T7704] do_syscall_64+0xc6/0x1e0 [10503.505928][ T7704] [10503.508139][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10503.508139][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10503.508139][ T7704] ipv6_find_idev+0x102/0x170 [10503.508139][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10503.508139][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10503.508139][ T7704] netlink_rcv_skb+0x130/0x360 [10503.508139][ T7704] netlink_unicast+0x449/0x710 [10503.508139][ T7704] netlink_sendmsg+0x723/0xbe0 [10503.508139][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10503.508139][ T7704] ___sys_sendmsg+0xee/0x170 [10503.508139][ T7704] __sys_sendmsg+0xcd/0x170 [10503.508139][ T7704] do_syscall_64+0xc6/0x1e0 [10503.508139][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10503.508139][ T7704] [10503.509853][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10503.509853][ T7704] neigh_parms_alloc+0x1e5/0x510 [10503.509853][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10503.509853][ T7704] ipv6_find_idev+0x102/0x170 [10503.509853][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10503.509853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10503.509853][ T7704] netlink_rcv_skb+0x130/0x360 [10503.509853][ T7704] netlink_unicast+0x449/0x710 [10503.509853][ T7704] netlink_sendmsg+0x723/0xbe0 [10503.509853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10503.509853][ T7704] ___sys_sendmsg+0xee/0x170 [10503.509853][ T7704] __sys_sendmsg+0xcd/0x170 [10503.509853][ T7704] do_syscall_64+0xc6/0x1e0 [10503.509853][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10503.509853][ T7704] [10513.612891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10513.613462][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10513.613462][ T7704] netdev_get_by_index+0x5e/0x80 [10513.613462][ T7704] fib6_nh_init+0x3d8/0x15b0 [10513.613462][ T7704] ip6_route_info_create+0xf18/0x17d0 [10513.613462][ T7704] ip6_route_add+0x1c/0x140 [10513.613462][ T7704] addrconf_prefix_route+0x2a6/0x430 [10513.613462][ T7704] inet6_addr_add+0x4f8/0xa40 [10513.613462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10513.613462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10513.613462][ T7704] netlink_rcv_skb+0x130/0x360 [10513.613462][ T7704] netlink_unicast+0x449/0x710 [10513.613462][ T7704] netlink_sendmsg+0x723/0xbe0 [10513.613462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10513.613462][ T7704] ___sys_sendmsg+0xee/0x170 [10513.613462][ T7704] __sys_sendmsg+0xcd/0x170 [10513.613462][ T7704] do_syscall_64+0xc6/0x1e0 [10513.613462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10513.613462][ T7704] [10513.615739][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10513.615739][ T7704] netdev_get_by_index+0x5e/0x80 [10513.615739][ T7704] fib6_nh_init+0x3d8/0x15b0 [10513.615739][ T7704] ip6_route_info_create+0xf18/0x17d0 [10513.615739][ T7704] addrconf_f6i_alloc+0x315/0x560 [10513.615739][ T7704] ipv6_add_addr+0x411/0x2000 [10513.615739][ T7704] inet6_addr_add+0x30e/0xa40 [10513.615739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10513.615739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10513.615739][ T7704] netlink_rcv_skb+0x130/0x360 [10513.615739][ T7704] netlink_unicast+0x449/0x710 [10513.615739][ T7704] netlink_sendmsg+0x723/0xbe0 [10513.615739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10513.615739][ T7704] ___sys_sendmsg+0xee/0x170 [10513.615739][ T7704] __sys_sendmsg+0xcd/0x170 [10513.615739][ T7704] do_syscall_64+0xc6/0x1e0 [10513.615739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10513.615739][ T7704] [10513.617954][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10513.617954][ T7704] netdev_get_by_index+0x5e/0x80 [10513.617954][ T7704] fib6_nh_init+0x3d8/0x15b0 [10513.617954][ T7704] ip6_route_info_create+0xf18/0x17d0 [10513.617954][ T7704] ip6_route_add+0x1c/0x140 [10513.617954][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10513.617954][ T7704] addrconf_add_dev+0xe2/0x170 [10513.617954][ T7704] inet6_addr_add+0x12f/0xa40 [10513.617954][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10513.617954][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10513.617954][ T7704] netlink_rcv_skb+0x130/0x360 [10513.617954][ T7704] netlink_unicast+0x449/0x710 [10513.617954][ T7704] netlink_sendmsg+0x723/0xbe0 [10513.617954][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10513.617954][ T7704] ___sys_sendmsg+0xee/0x170 [10513.617954][ T7704] __sys_sendmsg+0xcd/0x170 [10513.617954][ T7704] do_syscall_64+0xc6/0x1e0 [10513.617954][ T7704] [10513.620145][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10513.620145][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10513.620145][ T7704] ipv6_find_idev+0x102/0x170 [10513.620145][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10513.620145][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10513.620145][ T7704] netlink_rcv_skb+0x130/0x360 [10513.620145][ T7704] netlink_unicast+0x449/0x710 [10513.620145][ T7704] netlink_sendmsg+0x723/0xbe0 [10513.620145][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10513.620145][ T7704] ___sys_sendmsg+0xee/0x170 [10513.620145][ T7704] __sys_sendmsg+0xcd/0x170 [10513.620145][ T7704] do_syscall_64+0xc6/0x1e0 [10513.620145][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10513.620145][ T7704] [10513.621807][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10513.621807][ T7704] neigh_parms_alloc+0x1e5/0x510 [10513.621807][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10513.621807][ T7704] ipv6_find_idev+0x102/0x170 [10513.621807][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10513.621807][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10513.621807][ T7704] netlink_rcv_skb+0x130/0x360 [10513.621807][ T7704] netlink_unicast+0x449/0x710 [10513.621807][ T7704] netlink_sendmsg+0x723/0xbe0 [10513.621807][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10513.621807][ T7704] ___sys_sendmsg+0xee/0x170 [10513.621807][ T7704] __sys_sendmsg+0xcd/0x170 [10513.621807][ T7704] do_syscall_64+0xc6/0x1e0 [10513.621807][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10513.621807][ T7704] [10523.708886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10523.709756][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10523.709756][ T7704] netdev_get_by_index+0x5e/0x80 [10523.709756][ T7704] fib6_nh_init+0x3d8/0x15b0 [10523.709756][ T7704] ip6_route_info_create+0xf18/0x17d0 [10523.709756][ T7704] ip6_route_add+0x1c/0x140 [10523.709756][ T7704] addrconf_prefix_route+0x2a6/0x430 [10523.709756][ T7704] inet6_addr_add+0x4f8/0xa40 [10523.709756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10523.709756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10523.709756][ T7704] netlink_rcv_skb+0x130/0x360 [10523.709756][ T7704] netlink_unicast+0x449/0x710 [10523.709756][ T7704] netlink_sendmsg+0x723/0xbe0 [10523.709756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10523.709756][ T7704] ___sys_sendmsg+0xee/0x170 [10523.709756][ T7704] __sys_sendmsg+0xcd/0x170 [10523.709756][ T7704] do_syscall_64+0xc6/0x1e0 [10523.709756][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10523.709756][ T7704] [10523.712002][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10523.712002][ T7704] netdev_get_by_index+0x5e/0x80 [10523.712002][ T7704] fib6_nh_init+0x3d8/0x15b0 [10523.712002][ T7704] ip6_route_info_create+0xf18/0x17d0 [10523.712002][ T7704] addrconf_f6i_alloc+0x315/0x560 [10523.712002][ T7704] ipv6_add_addr+0x411/0x2000 [10523.712002][ T7704] inet6_addr_add+0x30e/0xa40 [10523.712002][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10523.712002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10523.712002][ T7704] netlink_rcv_skb+0x130/0x360 [10523.712002][ T7704] netlink_unicast+0x449/0x710 [10523.712002][ T7704] netlink_sendmsg+0x723/0xbe0 [10523.712002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10523.712002][ T7704] ___sys_sendmsg+0xee/0x170 [10523.712002][ T7704] __sys_sendmsg+0xcd/0x170 [10523.712002][ T7704] do_syscall_64+0xc6/0x1e0 [10523.712002][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10523.712002][ T7704] [10523.714212][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10523.714212][ T7704] netdev_get_by_index+0x5e/0x80 [10523.714212][ T7704] fib6_nh_init+0x3d8/0x15b0 [10523.714212][ T7704] ip6_route_info_create+0xf18/0x17d0 [10523.714212][ T7704] ip6_route_add+0x1c/0x140 [10523.714212][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10523.714212][ T7704] addrconf_add_dev+0xe2/0x170 [10523.714212][ T7704] inet6_addr_add+0x12f/0xa40 [10523.714212][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10523.714212][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10523.714212][ T7704] netlink_rcv_skb+0x130/0x360 [10523.714212][ T7704] netlink_unicast+0x449/0x710 [10523.714212][ T7704] netlink_sendmsg+0x723/0xbe0 [10523.714212][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10523.714212][ T7704] ___sys_sendmsg+0xee/0x170 [10523.714212][ T7704] __sys_sendmsg+0xcd/0x170 [10523.714212][ T7704] do_syscall_64+0xc6/0x1e0 [10523.714212][ T7704] [10523.716469][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10523.716469][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10523.716469][ T7704] ipv6_find_idev+0x102/0x170 [10523.716469][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10523.716469][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10523.716469][ T7704] netlink_rcv_skb+0x130/0x360 [10523.716469][ T7704] netlink_unicast+0x449/0x710 [10523.716469][ T7704] netlink_sendmsg+0x723/0xbe0 [10523.716469][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10523.716469][ T7704] ___sys_sendmsg+0xee/0x170 [10523.716469][ T7704] __sys_sendmsg+0xcd/0x170 [10523.716469][ T7704] do_syscall_64+0xc6/0x1e0 [10523.716469][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10523.716469][ T7704] [10523.718184][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10523.718184][ T7704] neigh_parms_alloc+0x1e5/0x510 [10523.718184][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10523.718184][ T7704] ipv6_find_idev+0x102/0x170 [10523.718184][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10523.718184][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10523.718184][ T7704] netlink_rcv_skb+0x130/0x360 [10523.718184][ T7704] netlink_unicast+0x449/0x710 [10523.718184][ T7704] netlink_sendmsg+0x723/0xbe0 [10523.718184][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10523.718184][ T7704] ___sys_sendmsg+0xee/0x170 [10523.718184][ T7704] __sys_sendmsg+0xcd/0x170 [10523.718184][ T7704] do_syscall_64+0xc6/0x1e0 [10523.718184][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10523.718184][ T7704] [10533.836890][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10533.837422][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10533.837422][ T7704] netdev_get_by_index+0x5e/0x80 [10533.837422][ T7704] fib6_nh_init+0x3d8/0x15b0 [10533.837422][ T7704] ip6_route_info_create+0xf18/0x17d0 [10533.837422][ T7704] ip6_route_add+0x1c/0x140 [10533.837422][ T7704] addrconf_prefix_route+0x2a6/0x430 [10533.837422][ T7704] inet6_addr_add+0x4f8/0xa40 [10533.837422][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10533.837422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10533.837422][ T7704] netlink_rcv_skb+0x130/0x360 [10533.837422][ T7704] netlink_unicast+0x449/0x710 [10533.837422][ T7704] netlink_sendmsg+0x723/0xbe0 [10533.837422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10533.837422][ T7704] ___sys_sendmsg+0xee/0x170 [10533.837422][ T7704] __sys_sendmsg+0xcd/0x170 [10533.837422][ T7704] do_syscall_64+0xc6/0x1e0 [10533.837422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10533.837422][ T7704] [10533.839690][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10533.839690][ T7704] netdev_get_by_index+0x5e/0x80 [10533.839690][ T7704] fib6_nh_init+0x3d8/0x15b0 [10533.839690][ T7704] ip6_route_info_create+0xf18/0x17d0 [10533.839690][ T7704] addrconf_f6i_alloc+0x315/0x560 [10533.839690][ T7704] ipv6_add_addr+0x411/0x2000 [10533.839690][ T7704] inet6_addr_add+0x30e/0xa40 [10533.839690][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10533.839690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10533.839690][ T7704] netlink_rcv_skb+0x130/0x360 [10533.839690][ T7704] netlink_unicast+0x449/0x710 [10533.839690][ T7704] netlink_sendmsg+0x723/0xbe0 [10533.839690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10533.839690][ T7704] ___sys_sendmsg+0xee/0x170 [10533.839690][ T7704] __sys_sendmsg+0xcd/0x170 [10533.839690][ T7704] do_syscall_64+0xc6/0x1e0 [10533.839690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10533.839690][ T7704] [10533.841906][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10533.841906][ T7704] netdev_get_by_index+0x5e/0x80 [10533.841906][ T7704] fib6_nh_init+0x3d8/0x15b0 [10533.841906][ T7704] ip6_route_info_create+0xf18/0x17d0 [10533.841906][ T7704] ip6_route_add+0x1c/0x140 [10533.841906][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10533.841906][ T7704] addrconf_add_dev+0xe2/0x170 [10533.841906][ T7704] inet6_addr_add+0x12f/0xa40 [10533.841906][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10533.841906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10533.841906][ T7704] netlink_rcv_skb+0x130/0x360 [10533.841906][ T7704] netlink_unicast+0x449/0x710 [10533.841906][ T7704] netlink_sendmsg+0x723/0xbe0 [10533.841906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10533.841906][ T7704] ___sys_sendmsg+0xee/0x170 [10533.841906][ T7704] __sys_sendmsg+0xcd/0x170 [10533.841906][ T7704] do_syscall_64+0xc6/0x1e0 [10533.841906][ T7704] [10533.844106][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10533.844106][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10533.844106][ T7704] ipv6_find_idev+0x102/0x170 [10533.844106][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10533.844106][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10533.844106][ T7704] netlink_rcv_skb+0x130/0x360 [10533.844106][ T7704] netlink_unicast+0x449/0x710 [10533.844106][ T7704] netlink_sendmsg+0x723/0xbe0 [10533.844106][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10533.844106][ T7704] ___sys_sendmsg+0xee/0x170 [10533.844106][ T7704] __sys_sendmsg+0xcd/0x170 [10533.844106][ T7704] do_syscall_64+0xc6/0x1e0 [10533.844106][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10533.844106][ T7704] [10533.845834][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10533.845834][ T7704] neigh_parms_alloc+0x1e5/0x510 [10533.845834][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10533.845834][ T7704] ipv6_find_idev+0x102/0x170 [10533.845834][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10533.845834][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10533.845834][ T7704] netlink_rcv_skb+0x130/0x360 [10533.845834][ T7704] netlink_unicast+0x449/0x710 [10533.845834][ T7704] netlink_sendmsg+0x723/0xbe0 [10533.845834][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10533.845834][ T7704] ___sys_sendmsg+0xee/0x170 [10533.845834][ T7704] __sys_sendmsg+0xcd/0x170 [10533.845834][ T7704] do_syscall_64+0xc6/0x1e0 [10533.845834][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10533.845834][ T7704] [10544.012861][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10544.013674][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10544.013674][ T7704] netdev_get_by_index+0x5e/0x80 [10544.013674][ T7704] fib6_nh_init+0x3d8/0x15b0 [10544.013674][ T7704] ip6_route_info_create+0xf18/0x17d0 [10544.013674][ T7704] ip6_route_add+0x1c/0x140 [10544.013674][ T7704] addrconf_prefix_route+0x2a6/0x430 [10544.013674][ T7704] inet6_addr_add+0x4f8/0xa40 [10544.013674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10544.013674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10544.013674][ T7704] netlink_rcv_skb+0x130/0x360 [10544.013674][ T7704] netlink_unicast+0x449/0x710 [10544.013674][ T7704] netlink_sendmsg+0x723/0xbe0 [10544.013674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10544.013674][ T7704] ___sys_sendmsg+0xee/0x170 [10544.013674][ T7704] __sys_sendmsg+0xcd/0x170 [10544.013674][ T7704] do_syscall_64+0xc6/0x1e0 [10544.013674][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10544.013674][ T7704] [10544.017735][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10544.017735][ T7704] netdev_get_by_index+0x5e/0x80 [10544.017735][ T7704] fib6_nh_init+0x3d8/0x15b0 [10544.017735][ T7704] ip6_route_info_create+0xf18/0x17d0 [10544.017735][ T7704] addrconf_f6i_alloc+0x315/0x560 [10544.017735][ T7704] ipv6_add_addr+0x411/0x2000 [10544.017735][ T7704] inet6_addr_add+0x30e/0xa40 [10544.017735][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10544.017735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10544.017735][ T7704] netlink_rcv_skb+0x130/0x360 [10544.017735][ T7704] netlink_unicast+0x449/0x710 [10544.017735][ T7704] netlink_sendmsg+0x723/0xbe0 [10544.017735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10544.017735][ T7704] ___sys_sendmsg+0xee/0x170 [10544.017735][ T7704] __sys_sendmsg+0xcd/0x170 [10544.017735][ T7704] do_syscall_64+0xc6/0x1e0 [10544.017735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10544.017735][ T7704] [10544.021766][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10544.021766][ T7704] netdev_get_by_index+0x5e/0x80 [10544.021766][ T7704] fib6_nh_init+0x3d8/0x15b0 [10544.021766][ T7704] ip6_route_info_create+0xf18/0x17d0 [10544.021766][ T7704] ip6_route_add+0x1c/0x140 [10544.021766][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10544.021766][ T7704] addrconf_add_dev+0xe2/0x170 [10544.021766][ T7704] inet6_addr_add+0x12f/0xa40 [10544.021766][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10544.021766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10544.021766][ T7704] netlink_rcv_skb+0x130/0x360 [10544.021766][ T7704] netlink_unicast+0x449/0x710 [10544.021766][ T7704] netlink_sendmsg+0x723/0xbe0 [10544.021766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10544.021766][ T7704] ___sys_sendmsg+0xee/0x170 [10544.021766][ T7704] __sys_sendmsg+0xcd/0x170 [10544.021766][ T7704] do_syscall_64+0xc6/0x1e0 [10544.021766][ T7704] [10544.027522][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10544.027522][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10544.027522][ T7704] ipv6_find_idev+0x102/0x170 [10544.027522][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10544.027522][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10544.027522][ T7704] netlink_rcv_skb+0x130/0x360 [10544.027522][ T7704] netlink_unicast+0x449/0x710 [10544.027522][ T7704] netlink_sendmsg+0x723/0xbe0 [10544.027522][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10544.027522][ T7704] ___sys_sendmsg+0xee/0x170 [10544.027522][ T7704] __sys_sendmsg+0xcd/0x170 [10544.027522][ T7704] do_syscall_64+0xc6/0x1e0 [10544.027522][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10544.027522][ T7704] [10544.033502][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10544.033502][ T7704] neigh_parms_alloc+0x1e5/0x510 [10544.033502][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10544.033502][ T7704] ipv6_find_idev+0x102/0x170 [10544.033502][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10544.033502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10544.033502][ T7704] netlink_rcv_skb+0x130/0x360 [10544.033502][ T7704] netlink_unicast+0x449/0x710 [10544.033502][ T7704] netlink_sendmsg+0x723/0xbe0 [10544.033502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10544.033502][ T7704] ___sys_sendmsg+0xee/0x170 [10544.033502][ T7704] __sys_sendmsg+0xcd/0x170 [10544.033502][ T7704] do_syscall_64+0xc6/0x1e0 [10544.033502][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10544.033502][ T7704] [10554.276890][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10554.277724][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10554.277724][ T7704] netdev_get_by_index+0x5e/0x80 [10554.277724][ T7704] fib6_nh_init+0x3d8/0x15b0 [10554.277724][ T7704] ip6_route_info_create+0xf18/0x17d0 [10554.277724][ T7704] ip6_route_add+0x1c/0x140 [10554.277724][ T7704] addrconf_prefix_route+0x2a6/0x430 [10554.277724][ T7704] inet6_addr_add+0x4f8/0xa40 [10554.277724][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10554.277724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10554.277724][ T7704] netlink_rcv_skb+0x130/0x360 [10554.277724][ T7704] netlink_unicast+0x449/0x710 [10554.277724][ T7704] netlink_sendmsg+0x723/0xbe0 [10554.277724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10554.277724][ T7704] ___sys_sendmsg+0xee/0x170 [10554.277724][ T7704] __sys_sendmsg+0xcd/0x170 [10554.277724][ T7704] do_syscall_64+0xc6/0x1e0 [10554.277724][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10554.277724][ T7704] [10554.295669][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10554.295669][ T7704] netdev_get_by_index+0x5e/0x80 [10554.295669][ T7704] fib6_nh_init+0x3d8/0x15b0 [10554.295669][ T7704] ip6_route_info_create+0xf18/0x17d0 [10554.295669][ T7704] addrconf_f6i_alloc+0x315/0x560 [10554.295669][ T7704] ipv6_add_addr+0x411/0x2000 [10554.295669][ T7704] inet6_addr_add+0x30e/0xa40 [10554.295669][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10554.295669][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10554.295669][ T7704] netlink_rcv_skb+0x130/0x360 [10554.295669][ T7704] netlink_unicast+0x449/0x710 [10554.295669][ T7704] netlink_sendmsg+0x723/0xbe0 [10554.295669][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10554.295669][ T7704] ___sys_sendmsg+0xee/0x170 [10554.295669][ T7704] __sys_sendmsg+0xcd/0x170 [10554.295669][ T7704] do_syscall_64+0xc6/0x1e0 [10554.295669][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10554.295669][ T7704] [10554.306505][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10554.306505][ T7704] netdev_get_by_index+0x5e/0x80 [10554.306505][ T7704] fib6_nh_init+0x3d8/0x15b0 [10554.306505][ T7704] ip6_route_info_create+0xf18/0x17d0 [10554.306505][ T7704] ip6_route_add+0x1c/0x140 [10554.306505][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10554.306505][ T7704] addrconf_add_dev+0xe2/0x170 [10554.306505][ T7704] inet6_addr_add+0x12f/0xa40 [10554.306505][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10554.306505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10554.306505][ T7704] netlink_rcv_skb+0x130/0x360 [10554.306505][ T7704] netlink_unicast+0x449/0x710 [10554.306505][ T7704] netlink_sendmsg+0x723/0xbe0 [10554.306505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10554.306505][ T7704] ___sys_sendmsg+0xee/0x170 [10554.306505][ T7704] __sys_sendmsg+0xcd/0x170 [10554.306505][ T7704] do_syscall_64+0xc6/0x1e0 [10554.306505][ T7704] [10554.311277][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10554.311277][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10554.311277][ T7704] ipv6_find_idev+0x102/0x170 [10554.311277][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10554.311277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10554.311277][ T7704] netlink_rcv_skb+0x130/0x360 [10554.311277][ T7704] netlink_unicast+0x449/0x710 [10554.311277][ T7704] netlink_sendmsg+0x723/0xbe0 [10554.311277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10554.311277][ T7704] ___sys_sendmsg+0xee/0x170 [10554.311277][ T7704] __sys_sendmsg+0xcd/0x170 [10554.311277][ T7704] do_syscall_64+0xc6/0x1e0 [10554.311277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10554.311277][ T7704] [10554.314394][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10554.314394][ T7704] neigh_parms_alloc+0x1e5/0x510 [10554.314394][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10554.314394][ T7704] ipv6_find_idev+0x102/0x170 [10554.314394][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10554.314394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10554.314394][ T7704] netlink_rcv_skb+0x130/0x360 [10554.314394][ T7704] netlink_unicast+0x449/0x710 [10554.314394][ T7704] netlink_sendmsg+0x723/0xbe0 [10554.314394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10554.314394][ T7704] ___sys_sendmsg+0xee/0x170 [10554.314394][ T7704] __sys_sendmsg+0xcd/0x170 [10554.314394][ T7704] do_syscall_64+0xc6/0x1e0 [10554.314394][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10554.314394][ T7704] [10564.557213][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10564.563046][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10564.563046][ T7704] netdev_get_by_index+0x5e/0x80 [10564.563046][ T7704] fib6_nh_init+0x3d8/0x15b0 [10564.563046][ T7704] ip6_route_info_create+0xf18/0x17d0 [10564.563046][ T7704] ip6_route_add+0x1c/0x140 [10564.563046][ T7704] addrconf_prefix_route+0x2a6/0x430 [10564.563046][ T7704] inet6_addr_add+0x4f8/0xa40 [10564.563046][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10564.563046][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10564.563046][ T7704] netlink_rcv_skb+0x130/0x360 [10564.563046][ T7704] netlink_unicast+0x449/0x710 [10564.563046][ T7704] netlink_sendmsg+0x723/0xbe0 [10564.563046][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10564.563046][ T7704] ___sys_sendmsg+0xee/0x170 [10564.563046][ T7704] __sys_sendmsg+0xcd/0x170 [10564.563046][ T7704] do_syscall_64+0xc6/0x1e0 [10564.563046][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10564.563046][ T7704] [10564.568322][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10564.568322][ T7704] netdev_get_by_index+0x5e/0x80 [10564.568322][ T7704] fib6_nh_init+0x3d8/0x15b0 [10564.568322][ T7704] ip6_route_info_create+0xf18/0x17d0 [10564.568322][ T7704] addrconf_f6i_alloc+0x315/0x560 [10564.568322][ T7704] ipv6_add_addr+0x411/0x2000 [10564.568322][ T7704] inet6_addr_add+0x30e/0xa40 [10564.568322][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10564.568322][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10564.568322][ T7704] netlink_rcv_skb+0x130/0x360 [10564.568322][ T7704] netlink_unicast+0x449/0x710 [10564.568322][ T7704] netlink_sendmsg+0x723/0xbe0 [10564.568322][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10564.568322][ T7704] ___sys_sendmsg+0xee/0x170 [10564.568322][ T7704] __sys_sendmsg+0xcd/0x170 [10564.568322][ T7704] do_syscall_64+0xc6/0x1e0 [10564.568322][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10564.568322][ T7704] [10564.573522][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10564.573522][ T7704] netdev_get_by_index+0x5e/0x80 [10564.573522][ T7704] fib6_nh_init+0x3d8/0x15b0 [10564.573522][ T7704] ip6_route_info_create+0xf18/0x17d0 [10564.573522][ T7704] ip6_route_add+0x1c/0x140 [10564.573522][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10564.573522][ T7704] addrconf_add_dev+0xe2/0x170 [10564.573522][ T7704] inet6_addr_add+0x12f/0xa40 [10564.573522][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10564.573522][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10564.573522][ T7704] netlink_rcv_skb+0x130/0x360 [10564.573522][ T7704] netlink_unicast+0x449/0x710 [10564.573522][ T7704] netlink_sendmsg+0x723/0xbe0 [10564.573522][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10564.573522][ T7704] ___sys_sendmsg+0xee/0x170 [10564.573522][ T7704] __sys_sendmsg+0xcd/0x170 [10564.573522][ T7704] do_syscall_64+0xc6/0x1e0 [10564.573522][ T7704] [10564.579687][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10564.579687][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10564.579687][ T7704] ipv6_find_idev+0x102/0x170 [10564.579687][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10564.579687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10564.579687][ T7704] netlink_rcv_skb+0x130/0x360 [10564.579687][ T7704] netlink_unicast+0x449/0x710 [10564.579687][ T7704] netlink_sendmsg+0x723/0xbe0 [10564.579687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10564.579687][ T7704] ___sys_sendmsg+0xee/0x170 [10564.579687][ T7704] __sys_sendmsg+0xcd/0x170 [10564.579687][ T7704] do_syscall_64+0xc6/0x1e0 [10564.579687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10564.579687][ T7704] [10564.583802][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10564.583802][ T7704] neigh_parms_alloc+0x1e5/0x510 [10564.583802][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10564.583802][ T7704] ipv6_find_idev+0x102/0x170 [10564.583802][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10564.583802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10564.583802][ T7704] netlink_rcv_skb+0x130/0x360 [10564.583802][ T7704] netlink_unicast+0x449/0x710 [10564.583802][ T7704] netlink_sendmsg+0x723/0xbe0 [10564.583802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10564.583802][ T7704] ___sys_sendmsg+0xee/0x170 [10564.583802][ T7704] __sys_sendmsg+0xcd/0x170 [10564.583802][ T7704] do_syscall_64+0xc6/0x1e0 [10564.583802][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10564.583802][ T7704] [10574.828882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10574.829710][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10574.829710][ T7704] netdev_get_by_index+0x5e/0x80 [10574.829710][ T7704] fib6_nh_init+0x3d8/0x15b0 [10574.829710][ T7704] ip6_route_info_create+0xf18/0x17d0 [10574.829710][ T7704] ip6_route_add+0x1c/0x140 [10574.829710][ T7704] addrconf_prefix_route+0x2a6/0x430 [10574.829710][ T7704] inet6_addr_add+0x4f8/0xa40 [10574.829710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10574.829710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10574.829710][ T7704] netlink_rcv_skb+0x130/0x360 [10574.829710][ T7704] netlink_unicast+0x449/0x710 [10574.829710][ T7704] netlink_sendmsg+0x723/0xbe0 [10574.829710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10574.829710][ T7704] ___sys_sendmsg+0xee/0x170 [10574.829710][ T7704] __sys_sendmsg+0xcd/0x170 [10574.829710][ T7704] do_syscall_64+0xc6/0x1e0 [10574.829710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10574.829710][ T7704] [10574.833889][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10574.833889][ T7704] netdev_get_by_index+0x5e/0x80 [10574.833889][ T7704] fib6_nh_init+0x3d8/0x15b0 [10574.833889][ T7704] ip6_route_info_create+0xf18/0x17d0 [10574.833889][ T7704] addrconf_f6i_alloc+0x315/0x560 [10574.833889][ T7704] ipv6_add_addr+0x411/0x2000 [10574.833889][ T7704] inet6_addr_add+0x30e/0xa40 [10574.833889][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10574.833889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10574.833889][ T7704] netlink_rcv_skb+0x130/0x360 [10574.833889][ T7704] netlink_unicast+0x449/0x710 [10574.833889][ T7704] netlink_sendmsg+0x723/0xbe0 [10574.833889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10574.833889][ T7704] ___sys_sendmsg+0xee/0x170 [10574.833889][ T7704] __sys_sendmsg+0xcd/0x170 [10574.833889][ T7704] do_syscall_64+0xc6/0x1e0 [10574.833889][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10574.833889][ T7704] [10574.838229][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10574.838229][ T7704] netdev_get_by_index+0x5e/0x80 [10574.838229][ T7704] fib6_nh_init+0x3d8/0x15b0 [10574.838229][ T7704] ip6_route_info_create+0xf18/0x17d0 [10574.838229][ T7704] ip6_route_add+0x1c/0x140 [10574.838229][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10574.838229][ T7704] addrconf_add_dev+0xe2/0x170 [10574.838229][ T7704] inet6_addr_add+0x12f/0xa40 [10574.838229][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10574.838229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10574.838229][ T7704] netlink_rcv_skb+0x130/0x360 [10574.838229][ T7704] netlink_unicast+0x449/0x710 [10574.838229][ T7704] netlink_sendmsg+0x723/0xbe0 [10574.838229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10574.838229][ T7704] ___sys_sendmsg+0xee/0x170 [10574.838229][ T7704] __sys_sendmsg+0xcd/0x170 [10574.838229][ T7704] do_syscall_64+0xc6/0x1e0 [10574.838229][ T7704] [10574.842328][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10574.842328][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10574.842328][ T7704] ipv6_find_idev+0x102/0x170 [10574.842328][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10574.842328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10574.842328][ T7704] netlink_rcv_skb+0x130/0x360 [10574.842328][ T7704] netlink_unicast+0x449/0x710 [10574.842328][ T7704] netlink_sendmsg+0x723/0xbe0 [10574.842328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10574.842328][ T7704] ___sys_sendmsg+0xee/0x170 [10574.842328][ T7704] __sys_sendmsg+0xcd/0x170 [10574.842328][ T7704] do_syscall_64+0xc6/0x1e0 [10574.842328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10574.842328][ T7704] [10574.845588][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10574.845588][ T7704] neigh_parms_alloc+0x1e5/0x510 [10574.845588][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10574.845588][ T7704] ipv6_find_idev+0x102/0x170 [10574.845588][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10574.845588][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10574.845588][ T7704] netlink_rcv_skb+0x130/0x360 [10574.845588][ T7704] netlink_unicast+0x449/0x710 [10574.845588][ T7704] netlink_sendmsg+0x723/0xbe0 [10574.845588][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10574.845588][ T7704] ___sys_sendmsg+0xee/0x170 [10574.845588][ T7704] __sys_sendmsg+0xcd/0x170 [10574.845588][ T7704] do_syscall_64+0xc6/0x1e0 [10574.845588][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10574.845588][ T7704] [10585.116833][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10585.117562][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10585.117562][ T7704] netdev_get_by_index+0x5e/0x80 [10585.117562][ T7704] fib6_nh_init+0x3d8/0x15b0 [10585.117562][ T7704] ip6_route_info_create+0xf18/0x17d0 [10585.117562][ T7704] ip6_route_add+0x1c/0x140 [10585.117562][ T7704] addrconf_prefix_route+0x2a6/0x430 [10585.117562][ T7704] inet6_addr_add+0x4f8/0xa40 [10585.117562][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10585.117562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10585.117562][ T7704] netlink_rcv_skb+0x130/0x360 [10585.117562][ T7704] netlink_unicast+0x449/0x710 [10585.117562][ T7704] netlink_sendmsg+0x723/0xbe0 [10585.117562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10585.117562][ T7704] ___sys_sendmsg+0xee/0x170 [10585.117562][ T7704] __sys_sendmsg+0xcd/0x170 [10585.117562][ T7704] do_syscall_64+0xc6/0x1e0 [10585.117562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10585.117562][ T7704] [10585.120596][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10585.120596][ T7704] netdev_get_by_index+0x5e/0x80 [10585.120596][ T7704] fib6_nh_init+0x3d8/0x15b0 [10585.120596][ T7704] ip6_route_info_create+0xf18/0x17d0 [10585.120596][ T7704] addrconf_f6i_alloc+0x315/0x560 [10585.120596][ T7704] ipv6_add_addr+0x411/0x2000 [10585.120596][ T7704] inet6_addr_add+0x30e/0xa40 [10585.120596][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10585.120596][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10585.120596][ T7704] netlink_rcv_skb+0x130/0x360 [10585.120596][ T7704] netlink_unicast+0x449/0x710 [10585.120596][ T7704] netlink_sendmsg+0x723/0xbe0 [10585.120596][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10585.120596][ T7704] ___sys_sendmsg+0xee/0x170 [10585.120596][ T7704] __sys_sendmsg+0xcd/0x170 [10585.120596][ T7704] do_syscall_64+0xc6/0x1e0 [10585.120596][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10585.120596][ T7704] [10585.123072][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10585.123072][ T7704] netdev_get_by_index+0x5e/0x80 [10585.123072][ T7704] fib6_nh_init+0x3d8/0x15b0 [10585.123072][ T7704] ip6_route_info_create+0xf18/0x17d0 [10585.123072][ T7704] ip6_route_add+0x1c/0x140 [10585.123072][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10585.123072][ T7704] addrconf_add_dev+0xe2/0x170 [10585.123072][ T7704] inet6_addr_add+0x12f/0xa40 [10585.123072][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10585.123072][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10585.123072][ T7704] netlink_rcv_skb+0x130/0x360 [10585.123072][ T7704] netlink_unicast+0x449/0x710 [10585.123072][ T7704] netlink_sendmsg+0x723/0xbe0 [10585.123072][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10585.123072][ T7704] ___sys_sendmsg+0xee/0x170 [10585.123072][ T7704] __sys_sendmsg+0xcd/0x170 [10585.123072][ T7704] do_syscall_64+0xc6/0x1e0 [10585.123072][ T7704] [10585.125498][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10585.125498][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10585.125498][ T7704] ipv6_find_idev+0x102/0x170 [10585.125498][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10585.125498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10585.125498][ T7704] netlink_rcv_skb+0x130/0x360 [10585.125498][ T7704] netlink_unicast+0x449/0x710 [10585.125498][ T7704] netlink_sendmsg+0x723/0xbe0 [10585.125498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10585.125498][ T7704] ___sys_sendmsg+0xee/0x170 [10585.125498][ T7704] __sys_sendmsg+0xcd/0x170 [10585.125498][ T7704] do_syscall_64+0xc6/0x1e0 [10585.125498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10585.125498][ T7704] [10585.127407][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10585.127407][ T7704] neigh_parms_alloc+0x1e5/0x510 [10585.127407][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10585.127407][ T7704] ipv6_find_idev+0x102/0x170 [10585.127407][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10585.127407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10585.127407][ T7704] netlink_rcv_skb+0x130/0x360 [10585.127407][ T7704] netlink_unicast+0x449/0x710 [10585.127407][ T7704] netlink_sendmsg+0x723/0xbe0 [10585.127407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10585.127407][ T7704] ___sys_sendmsg+0xee/0x170 [10585.127407][ T7704] __sys_sendmsg+0xcd/0x170 [10585.127407][ T7704] do_syscall_64+0xc6/0x1e0 [10585.127407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10585.127407][ T7704] [10595.300914][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10595.301661][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10595.301661][ T7704] netdev_get_by_index+0x5e/0x80 [10595.301661][ T7704] fib6_nh_init+0x3d8/0x15b0 [10595.301661][ T7704] ip6_route_info_create+0xf18/0x17d0 [10595.301661][ T7704] ip6_route_add+0x1c/0x140 [10595.301661][ T7704] addrconf_prefix_route+0x2a6/0x430 [10595.301661][ T7704] inet6_addr_add+0x4f8/0xa40 [10595.301661][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10595.301661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10595.301661][ T7704] netlink_rcv_skb+0x130/0x360 [10595.301661][ T7704] netlink_unicast+0x449/0x710 [10595.301661][ T7704] netlink_sendmsg+0x723/0xbe0 [10595.301661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10595.301661][ T7704] ___sys_sendmsg+0xee/0x170 [10595.301661][ T7704] __sys_sendmsg+0xcd/0x170 [10595.301661][ T7704] do_syscall_64+0xc6/0x1e0 [10595.301661][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10595.301661][ T7704] [10595.305603][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10595.305603][ T7704] netdev_get_by_index+0x5e/0x80 [10595.305603][ T7704] fib6_nh_init+0x3d8/0x15b0 [10595.305603][ T7704] ip6_route_info_create+0xf18/0x17d0 [10595.305603][ T7704] addrconf_f6i_alloc+0x315/0x560 [10595.305603][ T7704] ipv6_add_addr+0x411/0x2000 [10595.305603][ T7704] inet6_addr_add+0x30e/0xa40 [10595.305603][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10595.305603][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10595.305603][ T7704] netlink_rcv_skb+0x130/0x360 [10595.305603][ T7704] netlink_unicast+0x449/0x710 [10595.305603][ T7704] netlink_sendmsg+0x723/0xbe0 [10595.305603][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10595.305603][ T7704] ___sys_sendmsg+0xee/0x170 [10595.305603][ T7704] __sys_sendmsg+0xcd/0x170 [10595.305603][ T7704] do_syscall_64+0xc6/0x1e0 [10595.305603][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10595.305603][ T7704] [10595.309541][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10595.309541][ T7704] netdev_get_by_index+0x5e/0x80 [10595.309541][ T7704] fib6_nh_init+0x3d8/0x15b0 [10595.309541][ T7704] ip6_route_info_create+0xf18/0x17d0 [10595.309541][ T7704] ip6_route_add+0x1c/0x140 [10595.309541][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10595.309541][ T7704] addrconf_add_dev+0xe2/0x170 [10595.309541][ T7704] inet6_addr_add+0x12f/0xa40 [10595.309541][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10595.309541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10595.309541][ T7704] netlink_rcv_skb+0x130/0x360 [10595.309541][ T7704] netlink_unicast+0x449/0x710 [10595.309541][ T7704] netlink_sendmsg+0x723/0xbe0 [10595.309541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10595.309541][ T7704] ___sys_sendmsg+0xee/0x170 [10595.309541][ T7704] __sys_sendmsg+0xcd/0x170 [10595.309541][ T7704] do_syscall_64+0xc6/0x1e0 [10595.309541][ T7704] [10595.312866][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10595.312866][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10595.312866][ T7704] ipv6_find_idev+0x102/0x170 [10595.312866][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10595.312866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10595.312866][ T7704] netlink_rcv_skb+0x130/0x360 [10595.312866][ T7704] netlink_unicast+0x449/0x710 [10595.312866][ T7704] netlink_sendmsg+0x723/0xbe0 [10595.312866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10595.312866][ T7704] ___sys_sendmsg+0xee/0x170 [10595.312866][ T7704] __sys_sendmsg+0xcd/0x170 [10595.312866][ T7704] do_syscall_64+0xc6/0x1e0 [10595.312866][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10595.312866][ T7704] [10595.314757][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10595.314757][ T7704] neigh_parms_alloc+0x1e5/0x510 [10595.314757][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10595.314757][ T7704] ipv6_find_idev+0x102/0x170 [10595.314757][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10595.314757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10595.314757][ T7704] netlink_rcv_skb+0x130/0x360 [10595.314757][ T7704] netlink_unicast+0x449/0x710 [10595.314757][ T7704] netlink_sendmsg+0x723/0xbe0 [10595.314757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10595.314757][ T7704] ___sys_sendmsg+0xee/0x170 [10595.314757][ T7704] __sys_sendmsg+0xcd/0x170 [10595.314757][ T7704] do_syscall_64+0xc6/0x1e0 [10595.314757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10595.314757][ T7704] [10605.500771][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10605.501277][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10605.501277][ T7704] netdev_get_by_index+0x5e/0x80 [10605.501277][ T7704] fib6_nh_init+0x3d8/0x15b0 [10605.501277][ T7704] ip6_route_info_create+0xf18/0x17d0 [10605.501277][ T7704] ip6_route_add+0x1c/0x140 [10605.501277][ T7704] addrconf_prefix_route+0x2a6/0x430 [10605.501277][ T7704] inet6_addr_add+0x4f8/0xa40 [10605.501277][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10605.501277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10605.501277][ T7704] netlink_rcv_skb+0x130/0x360 [10605.501277][ T7704] netlink_unicast+0x449/0x710 [10605.501277][ T7704] netlink_sendmsg+0x723/0xbe0 [10605.501277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10605.501277][ T7704] ___sys_sendmsg+0xee/0x170 [10605.501277][ T7704] __sys_sendmsg+0xcd/0x170 [10605.501277][ T7704] do_syscall_64+0xc6/0x1e0 [10605.501277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10605.501277][ T7704] [10605.503789][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10605.503789][ T7704] netdev_get_by_index+0x5e/0x80 [10605.503789][ T7704] fib6_nh_init+0x3d8/0x15b0 [10605.503789][ T7704] ip6_route_info_create+0xf18/0x17d0 [10605.503789][ T7704] addrconf_f6i_alloc+0x315/0x560 [10605.503789][ T7704] ipv6_add_addr+0x411/0x2000 [10605.503789][ T7704] inet6_addr_add+0x30e/0xa40 [10605.503789][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10605.503789][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10605.503789][ T7704] netlink_rcv_skb+0x130/0x360 [10605.503789][ T7704] netlink_unicast+0x449/0x710 [10605.503789][ T7704] netlink_sendmsg+0x723/0xbe0 [10605.503789][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10605.503789][ T7704] ___sys_sendmsg+0xee/0x170 [10605.503789][ T7704] __sys_sendmsg+0xcd/0x170 [10605.503789][ T7704] do_syscall_64+0xc6/0x1e0 [10605.503789][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10605.503789][ T7704] [10605.506251][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10605.506251][ T7704] netdev_get_by_index+0x5e/0x80 [10605.506251][ T7704] fib6_nh_init+0x3d8/0x15b0 [10605.506251][ T7704] ip6_route_info_create+0xf18/0x17d0 [10605.506251][ T7704] ip6_route_add+0x1c/0x140 [10605.506251][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10605.506251][ T7704] addrconf_add_dev+0xe2/0x170 [10605.506251][ T7704] inet6_addr_add+0x12f/0xa40 [10605.506251][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10605.506251][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10605.506251][ T7704] netlink_rcv_skb+0x130/0x360 [10605.506251][ T7704] netlink_unicast+0x449/0x710 [10605.506251][ T7704] netlink_sendmsg+0x723/0xbe0 [10605.506251][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10605.506251][ T7704] ___sys_sendmsg+0xee/0x170 [10605.506251][ T7704] __sys_sendmsg+0xcd/0x170 [10605.506251][ T7704] do_syscall_64+0xc6/0x1e0 [10605.506251][ T7704] [10605.508689][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10605.508689][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10605.508689][ T7704] ipv6_find_idev+0x102/0x170 [10605.508689][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10605.508689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10605.508689][ T7704] netlink_rcv_skb+0x130/0x360 [10605.508689][ T7704] netlink_unicast+0x449/0x710 [10605.508689][ T7704] netlink_sendmsg+0x723/0xbe0 [10605.508689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10605.508689][ T7704] ___sys_sendmsg+0xee/0x170 [10605.508689][ T7704] __sys_sendmsg+0xcd/0x170 [10605.508689][ T7704] do_syscall_64+0xc6/0x1e0 [10605.508689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10605.508689][ T7704] [10605.510598][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10605.510598][ T7704] neigh_parms_alloc+0x1e5/0x510 [10605.510598][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10605.510598][ T7704] ipv6_find_idev+0x102/0x170 [10605.510598][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10605.510598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10605.510598][ T7704] netlink_rcv_skb+0x130/0x360 [10605.510598][ T7704] netlink_unicast+0x449/0x710 [10605.510598][ T7704] netlink_sendmsg+0x723/0xbe0 [10605.510598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10605.510598][ T7704] ___sys_sendmsg+0xee/0x170 [10605.510598][ T7704] __sys_sendmsg+0xcd/0x170 [10605.510598][ T7704] do_syscall_64+0xc6/0x1e0 [10605.510598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10605.510598][ T7704] [10615.748821][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10615.749306][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10615.749306][ T7704] netdev_get_by_index+0x5e/0x80 [10615.749306][ T7704] fib6_nh_init+0x3d8/0x15b0 [10615.749306][ T7704] ip6_route_info_create+0xf18/0x17d0 [10615.749306][ T7704] ip6_route_add+0x1c/0x140 [10615.749306][ T7704] addrconf_prefix_route+0x2a6/0x430 [10615.749306][ T7704] inet6_addr_add+0x4f8/0xa40 [10615.749306][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10615.749306][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10615.749306][ T7704] netlink_rcv_skb+0x130/0x360 [10615.749306][ T7704] netlink_unicast+0x449/0x710 [10615.749306][ T7704] netlink_sendmsg+0x723/0xbe0 [10615.749306][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10615.749306][ T7704] ___sys_sendmsg+0xee/0x170 [10615.749306][ T7704] __sys_sendmsg+0xcd/0x170 [10615.749306][ T7704] do_syscall_64+0xc6/0x1e0 [10615.749306][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10615.749306][ T7704] [10615.751825][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10615.751825][ T7704] netdev_get_by_index+0x5e/0x80 [10615.751825][ T7704] fib6_nh_init+0x3d8/0x15b0 [10615.751825][ T7704] ip6_route_info_create+0xf18/0x17d0 [10615.751825][ T7704] addrconf_f6i_alloc+0x315/0x560 [10615.751825][ T7704] ipv6_add_addr+0x411/0x2000 [10615.751825][ T7704] inet6_addr_add+0x30e/0xa40 [10615.751825][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10615.751825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10615.751825][ T7704] netlink_rcv_skb+0x130/0x360 [10615.751825][ T7704] netlink_unicast+0x449/0x710 [10615.751825][ T7704] netlink_sendmsg+0x723/0xbe0 [10615.751825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10615.751825][ T7704] ___sys_sendmsg+0xee/0x170 [10615.751825][ T7704] __sys_sendmsg+0xcd/0x170 [10615.751825][ T7704] do_syscall_64+0xc6/0x1e0 [10615.751825][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10615.751825][ T7704] [10615.754542][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10615.754542][ T7704] netdev_get_by_index+0x5e/0x80 [10615.754542][ T7704] fib6_nh_init+0x3d8/0x15b0 [10615.754542][ T7704] ip6_route_info_create+0xf18/0x17d0 [10615.754542][ T7704] ip6_route_add+0x1c/0x140 [10615.754542][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10615.754542][ T7704] addrconf_add_dev+0xe2/0x170 [10615.754542][ T7704] inet6_addr_add+0x12f/0xa40 [10615.754542][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10615.754542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10615.754542][ T7704] netlink_rcv_skb+0x130/0x360 [10615.754542][ T7704] netlink_unicast+0x449/0x710 [10615.754542][ T7704] netlink_sendmsg+0x723/0xbe0 [10615.754542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10615.754542][ T7704] ___sys_sendmsg+0xee/0x170 [10615.754542][ T7704] __sys_sendmsg+0xcd/0x170 [10615.754542][ T7704] do_syscall_64+0xc6/0x1e0 [10615.754542][ T7704] [10615.758082][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10615.758082][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10615.758082][ T7704] ipv6_find_idev+0x102/0x170 [10615.758082][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10615.758082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10615.758082][ T7704] netlink_rcv_skb+0x130/0x360 [10615.758082][ T7704] netlink_unicast+0x449/0x710 [10615.758082][ T7704] netlink_sendmsg+0x723/0xbe0 [10615.758082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10615.758082][ T7704] ___sys_sendmsg+0xee/0x170 [10615.758082][ T7704] __sys_sendmsg+0xcd/0x170 [10615.758082][ T7704] do_syscall_64+0xc6/0x1e0 [10615.758082][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10615.758082][ T7704] [10615.760894][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10615.760894][ T7704] neigh_parms_alloc+0x1e5/0x510 [10615.760894][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10615.760894][ T7704] ipv6_find_idev+0x102/0x170 [10615.760894][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10615.760894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10615.760894][ T7704] netlink_rcv_skb+0x130/0x360 [10615.760894][ T7704] netlink_unicast+0x449/0x710 [10615.760894][ T7704] netlink_sendmsg+0x723/0xbe0 [10615.760894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10615.760894][ T7704] ___sys_sendmsg+0xee/0x170 [10615.760894][ T7704] __sys_sendmsg+0xcd/0x170 [10615.760894][ T7704] do_syscall_64+0xc6/0x1e0 [10615.760894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10615.760894][ T7704] [10626.004911][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10626.005413][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10626.005413][ T7704] netdev_get_by_index+0x5e/0x80 [10626.005413][ T7704] fib6_nh_init+0x3d8/0x15b0 [10626.005413][ T7704] ip6_route_info_create+0xf18/0x17d0 [10626.005413][ T7704] ip6_route_add+0x1c/0x140 [10626.005413][ T7704] addrconf_prefix_route+0x2a6/0x430 [10626.005413][ T7704] inet6_addr_add+0x4f8/0xa40 [10626.005413][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10626.005413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10626.005413][ T7704] netlink_rcv_skb+0x130/0x360 [10626.005413][ T7704] netlink_unicast+0x449/0x710 [10626.005413][ T7704] netlink_sendmsg+0x723/0xbe0 [10626.005413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10626.005413][ T7704] ___sys_sendmsg+0xee/0x170 [10626.005413][ T7704] __sys_sendmsg+0xcd/0x170 [10626.005413][ T7704] do_syscall_64+0xc6/0x1e0 [10626.005413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10626.005413][ T7704] [10626.007878][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10626.007878][ T7704] netdev_get_by_index+0x5e/0x80 [10626.007878][ T7704] fib6_nh_init+0x3d8/0x15b0 [10626.007878][ T7704] ip6_route_info_create+0xf18/0x17d0 [10626.007878][ T7704] addrconf_f6i_alloc+0x315/0x560 [10626.007878][ T7704] ipv6_add_addr+0x411/0x2000 [10626.007878][ T7704] inet6_addr_add+0x30e/0xa40 [10626.007878][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10626.007878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10626.007878][ T7704] netlink_rcv_skb+0x130/0x360 [10626.007878][ T7704] netlink_unicast+0x449/0x710 [10626.007878][ T7704] netlink_sendmsg+0x723/0xbe0 [10626.007878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10626.007878][ T7704] ___sys_sendmsg+0xee/0x170 [10626.007878][ T7704] __sys_sendmsg+0xcd/0x170 [10626.007878][ T7704] do_syscall_64+0xc6/0x1e0 [10626.007878][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10626.007878][ T7704] [10626.010350][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10626.010350][ T7704] netdev_get_by_index+0x5e/0x80 [10626.010350][ T7704] fib6_nh_init+0x3d8/0x15b0 [10626.010350][ T7704] ip6_route_info_create+0xf18/0x17d0 [10626.010350][ T7704] ip6_route_add+0x1c/0x140 [10626.010350][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10626.010350][ T7704] addrconf_add_dev+0xe2/0x170 [10626.010350][ T7704] inet6_addr_add+0x12f/0xa40 [10626.010350][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10626.010350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10626.010350][ T7704] netlink_rcv_skb+0x130/0x360 [10626.010350][ T7704] netlink_unicast+0x449/0x710 [10626.010350][ T7704] netlink_sendmsg+0x723/0xbe0 [10626.010350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10626.010350][ T7704] ___sys_sendmsg+0xee/0x170 [10626.010350][ T7704] __sys_sendmsg+0xcd/0x170 [10626.010350][ T7704] do_syscall_64+0xc6/0x1e0 [10626.010350][ T7704] [10626.012806][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10626.012806][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10626.012806][ T7704] ipv6_find_idev+0x102/0x170 [10626.012806][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10626.012806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10626.012806][ T7704] netlink_rcv_skb+0x130/0x360 [10626.012806][ T7704] netlink_unicast+0x449/0x710 [10626.012806][ T7704] netlink_sendmsg+0x723/0xbe0 [10626.012806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10626.012806][ T7704] ___sys_sendmsg+0xee/0x170 [10626.012806][ T7704] __sys_sendmsg+0xcd/0x170 [10626.012806][ T7704] do_syscall_64+0xc6/0x1e0 [10626.012806][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10626.012806][ T7704] [10626.014725][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10626.014725][ T7704] neigh_parms_alloc+0x1e5/0x510 [10626.014725][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10626.014725][ T7704] ipv6_find_idev+0x102/0x170 [10626.014725][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10626.014725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10626.014725][ T7704] netlink_rcv_skb+0x130/0x360 [10626.014725][ T7704] netlink_unicast+0x449/0x710 [10626.014725][ T7704] netlink_sendmsg+0x723/0xbe0 [10626.014725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10626.014725][ T7704] ___sys_sendmsg+0xee/0x170 [10626.014725][ T7704] __sys_sendmsg+0xcd/0x170 [10626.014725][ T7704] do_syscall_64+0xc6/0x1e0 [10626.014725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10626.014725][ T7704] [10636.252791][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10636.253514][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10636.253514][ T7704] netdev_get_by_index+0x5e/0x80 [10636.253514][ T7704] fib6_nh_init+0x3d8/0x15b0 [10636.253514][ T7704] ip6_route_info_create+0xf18/0x17d0 [10636.253514][ T7704] ip6_route_add+0x1c/0x140 [10636.253514][ T7704] addrconf_prefix_route+0x2a6/0x430 [10636.253514][ T7704] inet6_addr_add+0x4f8/0xa40 [10636.253514][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10636.253514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10636.253514][ T7704] netlink_rcv_skb+0x130/0x360 [10636.253514][ T7704] netlink_unicast+0x449/0x710 [10636.253514][ T7704] netlink_sendmsg+0x723/0xbe0 [10636.253514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10636.253514][ T7704] ___sys_sendmsg+0xee/0x170 [10636.253514][ T7704] __sys_sendmsg+0xcd/0x170 [10636.253514][ T7704] do_syscall_64+0xc6/0x1e0 [10636.253514][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10636.253514][ T7704] [10636.256597][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10636.256597][ T7704] netdev_get_by_index+0x5e/0x80 [10636.256597][ T7704] fib6_nh_init+0x3d8/0x15b0 [10636.256597][ T7704] ip6_route_info_create+0xf18/0x17d0 [10636.256597][ T7704] addrconf_f6i_alloc+0x315/0x560 [10636.256597][ T7704] ipv6_add_addr+0x411/0x2000 [10636.256597][ T7704] inet6_addr_add+0x30e/0xa40 [10636.256597][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10636.256597][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10636.256597][ T7704] netlink_rcv_skb+0x130/0x360 [10636.256597][ T7704] netlink_unicast+0x449/0x710 [10636.256597][ T7704] netlink_sendmsg+0x723/0xbe0 [10636.256597][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10636.256597][ T7704] ___sys_sendmsg+0xee/0x170 [10636.256597][ T7704] __sys_sendmsg+0xcd/0x170 [10636.256597][ T7704] do_syscall_64+0xc6/0x1e0 [10636.256597][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10636.256597][ T7704] [10636.259626][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10636.259626][ T7704] netdev_get_by_index+0x5e/0x80 [10636.259626][ T7704] fib6_nh_init+0x3d8/0x15b0 [10636.259626][ T7704] ip6_route_info_create+0xf18/0x17d0 [10636.259626][ T7704] ip6_route_add+0x1c/0x140 [10636.259626][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10636.259626][ T7704] addrconf_add_dev+0xe2/0x170 [10636.259626][ T7704] inet6_addr_add+0x12f/0xa40 [10636.259626][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10636.259626][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10636.259626][ T7704] netlink_rcv_skb+0x130/0x360 [10636.259626][ T7704] netlink_unicast+0x449/0x710 [10636.259626][ T7704] netlink_sendmsg+0x723/0xbe0 [10636.259626][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10636.259626][ T7704] ___sys_sendmsg+0xee/0x170 [10636.259626][ T7704] __sys_sendmsg+0xcd/0x170 [10636.259626][ T7704] do_syscall_64+0xc6/0x1e0 [10636.259626][ T7704] [10636.262635][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10636.262635][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10636.262635][ T7704] ipv6_find_idev+0x102/0x170 [10636.262635][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10636.262635][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10636.262635][ T7704] netlink_rcv_skb+0x130/0x360 [10636.262635][ T7704] netlink_unicast+0x449/0x710 [10636.262635][ T7704] netlink_sendmsg+0x723/0xbe0 [10636.262635][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10636.262635][ T7704] ___sys_sendmsg+0xee/0x170 [10636.262635][ T7704] __sys_sendmsg+0xcd/0x170 [10636.262635][ T7704] do_syscall_64+0xc6/0x1e0 [10636.262635][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10636.262635][ T7704] [10636.264971][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10636.264971][ T7704] neigh_parms_alloc+0x1e5/0x510 [10636.264971][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10636.264971][ T7704] ipv6_find_idev+0x102/0x170 [10636.264971][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10636.264971][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10636.264971][ T7704] netlink_rcv_skb+0x130/0x360 [10636.264971][ T7704] netlink_unicast+0x449/0x710 [10636.264971][ T7704] netlink_sendmsg+0x723/0xbe0 [10636.264971][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10636.264971][ T7704] ___sys_sendmsg+0xee/0x170 [10636.264971][ T7704] __sys_sendmsg+0xcd/0x170 [10636.264971][ T7704] do_syscall_64+0xc6/0x1e0 [10636.264971][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10636.264971][ T7704] [10646.356808][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10646.357301][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10646.357301][ T7704] netdev_get_by_index+0x5e/0x80 [10646.357301][ T7704] fib6_nh_init+0x3d8/0x15b0 [10646.357301][ T7704] ip6_route_info_create+0xf18/0x17d0 [10646.357301][ T7704] ip6_route_add+0x1c/0x140 [10646.357301][ T7704] addrconf_prefix_route+0x2a6/0x430 [10646.357301][ T7704] inet6_addr_add+0x4f8/0xa40 [10646.357301][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10646.357301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10646.357301][ T7704] netlink_rcv_skb+0x130/0x360 [10646.357301][ T7704] netlink_unicast+0x449/0x710 [10646.357301][ T7704] netlink_sendmsg+0x723/0xbe0 [10646.357301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10646.357301][ T7704] ___sys_sendmsg+0xee/0x170 [10646.357301][ T7704] __sys_sendmsg+0xcd/0x170 [10646.357301][ T7704] do_syscall_64+0xc6/0x1e0 [10646.357301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10646.357301][ T7704] [10646.359564][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10646.359564][ T7704] netdev_get_by_index+0x5e/0x80 [10646.359564][ T7704] fib6_nh_init+0x3d8/0x15b0 [10646.359564][ T7704] ip6_route_info_create+0xf18/0x17d0 [10646.359564][ T7704] addrconf_f6i_alloc+0x315/0x560 [10646.359564][ T7704] ipv6_add_addr+0x411/0x2000 [10646.359564][ T7704] inet6_addr_add+0x30e/0xa40 [10646.359564][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10646.359564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10646.359564][ T7704] netlink_rcv_skb+0x130/0x360 [10646.359564][ T7704] netlink_unicast+0x449/0x710 [10646.359564][ T7704] netlink_sendmsg+0x723/0xbe0 [10646.359564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10646.359564][ T7704] ___sys_sendmsg+0xee/0x170 [10646.359564][ T7704] __sys_sendmsg+0xcd/0x170 [10646.359564][ T7704] do_syscall_64+0xc6/0x1e0 [10646.359564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10646.359564][ T7704] [10646.361809][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10646.361809][ T7704] netdev_get_by_index+0x5e/0x80 [10646.361809][ T7704] fib6_nh_init+0x3d8/0x15b0 [10646.361809][ T7704] ip6_route_info_create+0xf18/0x17d0 [10646.361809][ T7704] ip6_route_add+0x1c/0x140 [10646.361809][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10646.361809][ T7704] addrconf_add_dev+0xe2/0x170 [10646.361809][ T7704] inet6_addr_add+0x12f/0xa40 [10646.361809][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10646.361809][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10646.361809][ T7704] netlink_rcv_skb+0x130/0x360 [10646.361809][ T7704] netlink_unicast+0x449/0x710 [10646.361809][ T7704] netlink_sendmsg+0x723/0xbe0 [10646.361809][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10646.361809][ T7704] ___sys_sendmsg+0xee/0x170 [10646.361809][ T7704] __sys_sendmsg+0xcd/0x170 [10646.361809][ T7704] do_syscall_64+0xc6/0x1e0 [10646.361809][ T7704] [10646.364009][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10646.364009][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10646.364009][ T7704] ipv6_find_idev+0x102/0x170 [10646.364009][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10646.364009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10646.364009][ T7704] netlink_rcv_skb+0x130/0x360 [10646.364009][ T7704] netlink_unicast+0x449/0x710 [10646.364009][ T7704] netlink_sendmsg+0x723/0xbe0 [10646.364009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10646.364009][ T7704] ___sys_sendmsg+0xee/0x170 [10646.364009][ T7704] __sys_sendmsg+0xcd/0x170 [10646.364009][ T7704] do_syscall_64+0xc6/0x1e0 [10646.364009][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10646.364009][ T7704] [10646.365748][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10646.365748][ T7704] neigh_parms_alloc+0x1e5/0x510 [10646.365748][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10646.365748][ T7704] ipv6_find_idev+0x102/0x170 [10646.365748][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10646.365748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10646.365748][ T7704] netlink_rcv_skb+0x130/0x360 [10646.365748][ T7704] netlink_unicast+0x449/0x710 [10646.365748][ T7704] netlink_sendmsg+0x723/0xbe0 [10646.365748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10646.365748][ T7704] ___sys_sendmsg+0xee/0x170 [10646.365748][ T7704] __sys_sendmsg+0xcd/0x170 [10646.365748][ T7704] do_syscall_64+0xc6/0x1e0 [10646.365748][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10646.365748][ T7704] [10656.604774][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10656.605252][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10656.605252][ T7704] netdev_get_by_index+0x5e/0x80 [10656.605252][ T7704] fib6_nh_init+0x3d8/0x15b0 [10656.605252][ T7704] ip6_route_info_create+0xf18/0x17d0 [10656.605252][ T7704] ip6_route_add+0x1c/0x140 [10656.605252][ T7704] addrconf_prefix_route+0x2a6/0x430 [10656.605252][ T7704] inet6_addr_add+0x4f8/0xa40 [10656.605252][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10656.605252][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10656.605252][ T7704] netlink_rcv_skb+0x130/0x360 [10656.605252][ T7704] netlink_unicast+0x449/0x710 [10656.605252][ T7704] netlink_sendmsg+0x723/0xbe0 [10656.605252][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10656.605252][ T7704] ___sys_sendmsg+0xee/0x170 [10656.605252][ T7704] __sys_sendmsg+0xcd/0x170 [10656.605252][ T7704] do_syscall_64+0xc6/0x1e0 [10656.605252][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10656.605252][ T7704] [10656.607499][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10656.607499][ T7704] netdev_get_by_index+0x5e/0x80 [10656.607499][ T7704] fib6_nh_init+0x3d8/0x15b0 [10656.607499][ T7704] ip6_route_info_create+0xf18/0x17d0 [10656.607499][ T7704] addrconf_f6i_alloc+0x315/0x560 [10656.607499][ T7704] ipv6_add_addr+0x411/0x2000 [10656.607499][ T7704] inet6_addr_add+0x30e/0xa40 [10656.607499][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10656.607499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10656.607499][ T7704] netlink_rcv_skb+0x130/0x360 [10656.607499][ T7704] netlink_unicast+0x449/0x710 [10656.607499][ T7704] netlink_sendmsg+0x723/0xbe0 [10656.607499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10656.607499][ T7704] ___sys_sendmsg+0xee/0x170 [10656.607499][ T7704] __sys_sendmsg+0xcd/0x170 [10656.607499][ T7704] do_syscall_64+0xc6/0x1e0 [10656.607499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10656.607499][ T7704] [10656.609745][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10656.609745][ T7704] netdev_get_by_index+0x5e/0x80 [10656.609745][ T7704] fib6_nh_init+0x3d8/0x15b0 [10656.609745][ T7704] ip6_route_info_create+0xf18/0x17d0 [10656.609745][ T7704] ip6_route_add+0x1c/0x140 [10656.609745][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10656.609745][ T7704] addrconf_add_dev+0xe2/0x170 [10656.609745][ T7704] inet6_addr_add+0x12f/0xa40 [10656.609745][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10656.609745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10656.609745][ T7704] netlink_rcv_skb+0x130/0x360 [10656.609745][ T7704] netlink_unicast+0x449/0x710 [10656.609745][ T7704] netlink_sendmsg+0x723/0xbe0 [10656.609745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10656.609745][ T7704] ___sys_sendmsg+0xee/0x170 [10656.609745][ T7704] __sys_sendmsg+0xcd/0x170 [10656.609745][ T7704] do_syscall_64+0xc6/0x1e0 [10656.609745][ T7704] [10656.611927][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10656.611927][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10656.611927][ T7704] ipv6_find_idev+0x102/0x170 [10656.611927][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10656.611927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10656.611927][ T7704] netlink_rcv_skb+0x130/0x360 [10656.611927][ T7704] netlink_unicast+0x449/0x710 [10656.611927][ T7704] netlink_sendmsg+0x723/0xbe0 [10656.611927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10656.611927][ T7704] ___sys_sendmsg+0xee/0x170 [10656.611927][ T7704] __sys_sendmsg+0xcd/0x170 [10656.611927][ T7704] do_syscall_64+0xc6/0x1e0 [10656.611927][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10656.611927][ T7704] [10656.613651][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10656.613651][ T7704] neigh_parms_alloc+0x1e5/0x510 [10656.613651][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10656.613651][ T7704] ipv6_find_idev+0x102/0x170 [10656.613651][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10656.613651][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10656.613651][ T7704] netlink_rcv_skb+0x130/0x360 [10656.613651][ T7704] netlink_unicast+0x449/0x710 [10656.613651][ T7704] netlink_sendmsg+0x723/0xbe0 [10656.613651][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10656.613651][ T7704] ___sys_sendmsg+0xee/0x170 [10656.613651][ T7704] __sys_sendmsg+0xcd/0x170 [10656.613651][ T7704] do_syscall_64+0xc6/0x1e0 [10656.613651][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10656.613651][ T7704] [10666.780829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10666.781365][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10666.781365][ T7704] netdev_get_by_index+0x5e/0x80 [10666.781365][ T7704] fib6_nh_init+0x3d8/0x15b0 [10666.781365][ T7704] ip6_route_info_create+0xf18/0x17d0 [10666.781365][ T7704] ip6_route_add+0x1c/0x140 [10666.781365][ T7704] addrconf_prefix_route+0x2a6/0x430 [10666.781365][ T7704] inet6_addr_add+0x4f8/0xa40 [10666.781365][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10666.781365][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10666.781365][ T7704] netlink_rcv_skb+0x130/0x360 [10666.781365][ T7704] netlink_unicast+0x449/0x710 [10666.781365][ T7704] netlink_sendmsg+0x723/0xbe0 [10666.781365][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10666.781365][ T7704] ___sys_sendmsg+0xee/0x170 [10666.781365][ T7704] __sys_sendmsg+0xcd/0x170 [10666.781365][ T7704] do_syscall_64+0xc6/0x1e0 [10666.781365][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10666.781365][ T7704] [10666.783600][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10666.783600][ T7704] netdev_get_by_index+0x5e/0x80 [10666.783600][ T7704] fib6_nh_init+0x3d8/0x15b0 [10666.783600][ T7704] ip6_route_info_create+0xf18/0x17d0 [10666.783600][ T7704] addrconf_f6i_alloc+0x315/0x560 [10666.783600][ T7704] ipv6_add_addr+0x411/0x2000 [10666.783600][ T7704] inet6_addr_add+0x30e/0xa40 [10666.783600][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10666.783600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10666.783600][ T7704] netlink_rcv_skb+0x130/0x360 [10666.783600][ T7704] netlink_unicast+0x449/0x710 [10666.783600][ T7704] netlink_sendmsg+0x723/0xbe0 [10666.783600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10666.783600][ T7704] ___sys_sendmsg+0xee/0x170 [10666.783600][ T7704] __sys_sendmsg+0xcd/0x170 [10666.783600][ T7704] do_syscall_64+0xc6/0x1e0 [10666.783600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10666.783600][ T7704] [10666.785832][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10666.785832][ T7704] netdev_get_by_index+0x5e/0x80 [10666.785832][ T7704] fib6_nh_init+0x3d8/0x15b0 [10666.785832][ T7704] ip6_route_info_create+0xf18/0x17d0 [10666.785832][ T7704] ip6_route_add+0x1c/0x140 [10666.785832][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10666.785832][ T7704] addrconf_add_dev+0xe2/0x170 [10666.785832][ T7704] inet6_addr_add+0x12f/0xa40 [10666.785832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10666.785832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10666.785832][ T7704] netlink_rcv_skb+0x130/0x360 [10666.785832][ T7704] netlink_unicast+0x449/0x710 [10666.785832][ T7704] netlink_sendmsg+0x723/0xbe0 [10666.785832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10666.785832][ T7704] ___sys_sendmsg+0xee/0x170 [10666.785832][ T7704] __sys_sendmsg+0xcd/0x170 [10666.785832][ T7704] do_syscall_64+0xc6/0x1e0 [10666.785832][ T7704] [10666.788007][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10666.788007][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10666.788007][ T7704] ipv6_find_idev+0x102/0x170 [10666.788007][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10666.788007][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10666.788007][ T7704] netlink_rcv_skb+0x130/0x360 [10666.788007][ T7704] netlink_unicast+0x449/0x710 [10666.788007][ T7704] netlink_sendmsg+0x723/0xbe0 [10666.788007][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10666.788007][ T7704] ___sys_sendmsg+0xee/0x170 [10666.788007][ T7704] __sys_sendmsg+0xcd/0x170 [10666.788007][ T7704] do_syscall_64+0xc6/0x1e0 [10666.788007][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10666.788007][ T7704] [10666.789708][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10666.789708][ T7704] neigh_parms_alloc+0x1e5/0x510 [10666.789708][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10666.789708][ T7704] ipv6_find_idev+0x102/0x170 [10666.789708][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10666.789708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10666.789708][ T7704] netlink_rcv_skb+0x130/0x360 [10666.789708][ T7704] netlink_unicast+0x449/0x710 [10666.789708][ T7704] netlink_sendmsg+0x723/0xbe0 [10666.789708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10666.789708][ T7704] ___sys_sendmsg+0xee/0x170 [10666.789708][ T7704] __sys_sendmsg+0xcd/0x170 [10666.789708][ T7704] do_syscall_64+0xc6/0x1e0 [10666.789708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10666.789708][ T7704] [10676.804869][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10676.805530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10676.805530][ T7704] netdev_get_by_index+0x5e/0x80 [10676.805530][ T7704] fib6_nh_init+0x3d8/0x15b0 [10676.805530][ T7704] ip6_route_info_create+0xf18/0x17d0 [10676.805530][ T7704] ip6_route_add+0x1c/0x140 [10676.805530][ T7704] addrconf_prefix_route+0x2a6/0x430 [10676.805530][ T7704] inet6_addr_add+0x4f8/0xa40 [10676.805530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10676.805530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10676.805530][ T7704] netlink_rcv_skb+0x130/0x360 [10676.805530][ T7704] netlink_unicast+0x449/0x710 [10676.805530][ T7704] netlink_sendmsg+0x723/0xbe0 [10676.805530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10676.805530][ T7704] ___sys_sendmsg+0xee/0x170 [10676.805530][ T7704] __sys_sendmsg+0xcd/0x170 [10676.805530][ T7704] do_syscall_64+0xc6/0x1e0 [10676.805530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10676.805530][ T7704] [10676.809243][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10676.809243][ T7704] netdev_get_by_index+0x5e/0x80 [10676.809243][ T7704] fib6_nh_init+0x3d8/0x15b0 [10676.809243][ T7704] ip6_route_info_create+0xf18/0x17d0 [10676.809243][ T7704] addrconf_f6i_alloc+0x315/0x560 [10676.809243][ T7704] ipv6_add_addr+0x411/0x2000 [10676.809243][ T7704] inet6_addr_add+0x30e/0xa40 [10676.809243][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10676.809243][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10676.809243][ T7704] netlink_rcv_skb+0x130/0x360 [10676.809243][ T7704] netlink_unicast+0x449/0x710 [10676.809243][ T7704] netlink_sendmsg+0x723/0xbe0 [10676.809243][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10676.809243][ T7704] ___sys_sendmsg+0xee/0x170 [10676.809243][ T7704] __sys_sendmsg+0xcd/0x170 [10676.809243][ T7704] do_syscall_64+0xc6/0x1e0 [10676.809243][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10676.809243][ T7704] [10676.812541][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10676.812541][ T7704] netdev_get_by_index+0x5e/0x80 [10676.812541][ T7704] fib6_nh_init+0x3d8/0x15b0 [10676.812541][ T7704] ip6_route_info_create+0xf18/0x17d0 [10676.812541][ T7704] ip6_route_add+0x1c/0x140 [10676.812541][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10676.812541][ T7704] addrconf_add_dev+0xe2/0x170 [10676.812541][ T7704] inet6_addr_add+0x12f/0xa40 [10676.812541][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10676.812541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10676.812541][ T7704] netlink_rcv_skb+0x130/0x360 [10676.812541][ T7704] netlink_unicast+0x449/0x710 [10676.812541][ T7704] netlink_sendmsg+0x723/0xbe0 [10676.812541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10676.812541][ T7704] ___sys_sendmsg+0xee/0x170 [10676.812541][ T7704] __sys_sendmsg+0xcd/0x170 [10676.812541][ T7704] do_syscall_64+0xc6/0x1e0 [10676.812541][ T7704] [10676.816092][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10676.816092][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10676.816092][ T7704] ipv6_find_idev+0x102/0x170 [10676.816092][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10676.816092][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10676.816092][ T7704] netlink_rcv_skb+0x130/0x360 [10676.816092][ T7704] netlink_unicast+0x449/0x710 [10676.816092][ T7704] netlink_sendmsg+0x723/0xbe0 [10676.816092][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10676.816092][ T7704] ___sys_sendmsg+0xee/0x170 [10676.816092][ T7704] __sys_sendmsg+0xcd/0x170 [10676.816092][ T7704] do_syscall_64+0xc6/0x1e0 [10676.816092][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10676.816092][ T7704] [10676.818954][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10676.818954][ T7704] neigh_parms_alloc+0x1e5/0x510 [10676.818954][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10676.818954][ T7704] ipv6_find_idev+0x102/0x170 [10676.818954][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10676.818954][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10676.818954][ T7704] netlink_rcv_skb+0x130/0x360 [10676.818954][ T7704] netlink_unicast+0x449/0x710 [10676.818954][ T7704] netlink_sendmsg+0x723/0xbe0 [10676.818954][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10676.818954][ T7704] ___sys_sendmsg+0xee/0x170 [10676.818954][ T7704] __sys_sendmsg+0xcd/0x170 [10676.818954][ T7704] do_syscall_64+0xc6/0x1e0 [10676.818954][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10676.818954][ T7704] [10686.852782][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10686.853382][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10686.853382][ T7704] netdev_get_by_index+0x5e/0x80 [10686.853382][ T7704] fib6_nh_init+0x3d8/0x15b0 [10686.853382][ T7704] ip6_route_info_create+0xf18/0x17d0 [10686.853382][ T7704] ip6_route_add+0x1c/0x140 [10686.853382][ T7704] addrconf_prefix_route+0x2a6/0x430 [10686.853382][ T7704] inet6_addr_add+0x4f8/0xa40 [10686.853382][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10686.853382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10686.853382][ T7704] netlink_rcv_skb+0x130/0x360 [10686.853382][ T7704] netlink_unicast+0x449/0x710 [10686.853382][ T7704] netlink_sendmsg+0x723/0xbe0 [10686.853382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10686.853382][ T7704] ___sys_sendmsg+0xee/0x170 [10686.853382][ T7704] __sys_sendmsg+0xcd/0x170 [10686.853382][ T7704] do_syscall_64+0xc6/0x1e0 [10686.853382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10686.853382][ T7704] [10686.855785][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10686.855785][ T7704] netdev_get_by_index+0x5e/0x80 [10686.855785][ T7704] fib6_nh_init+0x3d8/0x15b0 [10686.855785][ T7704] ip6_route_info_create+0xf18/0x17d0 [10686.855785][ T7704] addrconf_f6i_alloc+0x315/0x560 [10686.855785][ T7704] ipv6_add_addr+0x411/0x2000 [10686.855785][ T7704] inet6_addr_add+0x30e/0xa40 [10686.855785][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10686.855785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10686.855785][ T7704] netlink_rcv_skb+0x130/0x360 [10686.855785][ T7704] netlink_unicast+0x449/0x710 [10686.855785][ T7704] netlink_sendmsg+0x723/0xbe0 [10686.855785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10686.855785][ T7704] ___sys_sendmsg+0xee/0x170 [10686.855785][ T7704] __sys_sendmsg+0xcd/0x170 [10686.855785][ T7704] do_syscall_64+0xc6/0x1e0 [10686.855785][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10686.855785][ T7704] [10686.858359][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10686.858359][ T7704] netdev_get_by_index+0x5e/0x80 [10686.858359][ T7704] fib6_nh_init+0x3d8/0x15b0 [10686.858359][ T7704] ip6_route_info_create+0xf18/0x17d0 [10686.858359][ T7704] ip6_route_add+0x1c/0x140 [10686.858359][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10686.858359][ T7704] addrconf_add_dev+0xe2/0x170 [10686.858359][ T7704] inet6_addr_add+0x12f/0xa40 [10686.858359][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10686.858359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10686.858359][ T7704] netlink_rcv_skb+0x130/0x360 [10686.858359][ T7704] netlink_unicast+0x449/0x710 [10686.858359][ T7704] netlink_sendmsg+0x723/0xbe0 [10686.858359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10686.858359][ T7704] ___sys_sendmsg+0xee/0x170 [10686.858359][ T7704] __sys_sendmsg+0xcd/0x170 [10686.858359][ T7704] do_syscall_64+0xc6/0x1e0 [10686.858359][ T7704] [10686.861819][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10686.861819][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10686.861819][ T7704] ipv6_find_idev+0x102/0x170 [10686.861819][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10686.861819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10686.861819][ T7704] netlink_rcv_skb+0x130/0x360 [10686.861819][ T7704] netlink_unicast+0x449/0x710 [10686.861819][ T7704] netlink_sendmsg+0x723/0xbe0 [10686.861819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10686.861819][ T7704] ___sys_sendmsg+0xee/0x170 [10686.861819][ T7704] __sys_sendmsg+0xcd/0x170 [10686.861819][ T7704] do_syscall_64+0xc6/0x1e0 [10686.861819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10686.861819][ T7704] [10686.864521][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10686.864521][ T7704] neigh_parms_alloc+0x1e5/0x510 [10686.864521][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10686.864521][ T7704] ipv6_find_idev+0x102/0x170 [10686.864521][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10686.864521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10686.864521][ T7704] netlink_rcv_skb+0x130/0x360 [10686.864521][ T7704] netlink_unicast+0x449/0x710 [10686.864521][ T7704] netlink_sendmsg+0x723/0xbe0 [10686.864521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10686.864521][ T7704] ___sys_sendmsg+0xee/0x170 [10686.864521][ T7704] __sys_sendmsg+0xcd/0x170 [10686.864521][ T7704] do_syscall_64+0xc6/0x1e0 [10686.864521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10686.864521][ T7704] [10696.908800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10696.909488][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10696.909488][ T7704] netdev_get_by_index+0x5e/0x80 [10696.909488][ T7704] fib6_nh_init+0x3d8/0x15b0 [10696.909488][ T7704] ip6_route_info_create+0xf18/0x17d0 [10696.909488][ T7704] ip6_route_add+0x1c/0x140 [10696.909488][ T7704] addrconf_prefix_route+0x2a6/0x430 [10696.909488][ T7704] inet6_addr_add+0x4f8/0xa40 [10696.909488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10696.909488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10696.909488][ T7704] netlink_rcv_skb+0x130/0x360 [10696.909488][ T7704] netlink_unicast+0x449/0x710 [10696.909488][ T7704] netlink_sendmsg+0x723/0xbe0 [10696.909488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10696.909488][ T7704] ___sys_sendmsg+0xee/0x170 [10696.909488][ T7704] __sys_sendmsg+0xcd/0x170 [10696.909488][ T7704] do_syscall_64+0xc6/0x1e0 [10696.909488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10696.909488][ T7704] [10696.913074][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10696.913074][ T7704] netdev_get_by_index+0x5e/0x80 [10696.913074][ T7704] fib6_nh_init+0x3d8/0x15b0 [10696.913074][ T7704] ip6_route_info_create+0xf18/0x17d0 [10696.913074][ T7704] addrconf_f6i_alloc+0x315/0x560 [10696.913074][ T7704] ipv6_add_addr+0x411/0x2000 [10696.913074][ T7704] inet6_addr_add+0x30e/0xa40 [10696.913074][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10696.913074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10696.913074][ T7704] netlink_rcv_skb+0x130/0x360 [10696.913074][ T7704] netlink_unicast+0x449/0x710 [10696.913074][ T7704] netlink_sendmsg+0x723/0xbe0 [10696.913074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10696.913074][ T7704] ___sys_sendmsg+0xee/0x170 [10696.913074][ T7704] __sys_sendmsg+0xcd/0x170 [10696.913074][ T7704] do_syscall_64+0xc6/0x1e0 [10696.913074][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10696.913074][ T7704] [10696.916791][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10696.916791][ T7704] netdev_get_by_index+0x5e/0x80 [10696.916791][ T7704] fib6_nh_init+0x3d8/0x15b0 [10696.916791][ T7704] ip6_route_info_create+0xf18/0x17d0 [10696.916791][ T7704] ip6_route_add+0x1c/0x140 [10696.916791][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10696.916791][ T7704] addrconf_add_dev+0xe2/0x170 [10696.916791][ T7704] inet6_addr_add+0x12f/0xa40 [10696.916791][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10696.916791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10696.916791][ T7704] netlink_rcv_skb+0x130/0x360 [10696.916791][ T7704] netlink_unicast+0x449/0x710 [10696.916791][ T7704] netlink_sendmsg+0x723/0xbe0 [10696.916791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10696.916791][ T7704] ___sys_sendmsg+0xee/0x170 [10696.916791][ T7704] __sys_sendmsg+0xcd/0x170 [10696.916791][ T7704] do_syscall_64+0xc6/0x1e0 [10696.916791][ T7704] [10696.920256][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10696.920256][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10696.920256][ T7704] ipv6_find_idev+0x102/0x170 [10696.920256][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10696.920256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10696.920256][ T7704] netlink_rcv_skb+0x130/0x360 [10696.920256][ T7704] netlink_unicast+0x449/0x710 [10696.920256][ T7704] netlink_sendmsg+0x723/0xbe0 [10696.920256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10696.920256][ T7704] ___sys_sendmsg+0xee/0x170 [10696.920256][ T7704] __sys_sendmsg+0xcd/0x170 [10696.920256][ T7704] do_syscall_64+0xc6/0x1e0 [10696.920256][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10696.920256][ T7704] [10696.922987][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10696.922987][ T7704] neigh_parms_alloc+0x1e5/0x510 [10696.922987][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10696.922987][ T7704] ipv6_find_idev+0x102/0x170 [10696.922987][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10696.922987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10696.922987][ T7704] netlink_rcv_skb+0x130/0x360 [10696.922987][ T7704] netlink_unicast+0x449/0x710 [10696.922987][ T7704] netlink_sendmsg+0x723/0xbe0 [10696.922987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10696.922987][ T7704] ___sys_sendmsg+0xee/0x170 [10696.922987][ T7704] __sys_sendmsg+0xcd/0x170 [10696.922987][ T7704] do_syscall_64+0xc6/0x1e0 [10696.922987][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10696.922987][ T7704] [10707.116873][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10707.117548][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10707.117548][ T7704] netdev_get_by_index+0x5e/0x80 [10707.117548][ T7704] fib6_nh_init+0x3d8/0x15b0 [10707.117548][ T7704] ip6_route_info_create+0xf18/0x17d0 [10707.117548][ T7704] ip6_route_add+0x1c/0x140 [10707.117548][ T7704] addrconf_prefix_route+0x2a6/0x430 [10707.117548][ T7704] inet6_addr_add+0x4f8/0xa40 [10707.117548][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10707.117548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10707.117548][ T7704] netlink_rcv_skb+0x130/0x360 [10707.117548][ T7704] netlink_unicast+0x449/0x710 [10707.117548][ T7704] netlink_sendmsg+0x723/0xbe0 [10707.117548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10707.117548][ T7704] ___sys_sendmsg+0xee/0x170 [10707.117548][ T7704] __sys_sendmsg+0xcd/0x170 [10707.117548][ T7704] do_syscall_64+0xc6/0x1e0 [10707.117548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10707.117548][ T7704] [10707.120908][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10707.120908][ T7704] netdev_get_by_index+0x5e/0x80 [10707.120908][ T7704] fib6_nh_init+0x3d8/0x15b0 [10707.120908][ T7704] ip6_route_info_create+0xf18/0x17d0 [10707.120908][ T7704] addrconf_f6i_alloc+0x315/0x560 [10707.120908][ T7704] ipv6_add_addr+0x411/0x2000 [10707.120908][ T7704] inet6_addr_add+0x30e/0xa40 [10707.120908][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10707.120908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10707.120908][ T7704] netlink_rcv_skb+0x130/0x360 [10707.120908][ T7704] netlink_unicast+0x449/0x710 [10707.120908][ T7704] netlink_sendmsg+0x723/0xbe0 [10707.120908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10707.120908][ T7704] ___sys_sendmsg+0xee/0x170 [10707.120908][ T7704] __sys_sendmsg+0xcd/0x170 [10707.120908][ T7704] do_syscall_64+0xc6/0x1e0 [10707.120908][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10707.120908][ T7704] [10707.123220][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10707.123220][ T7704] netdev_get_by_index+0x5e/0x80 [10707.123220][ T7704] fib6_nh_init+0x3d8/0x15b0 [10707.123220][ T7704] ip6_route_info_create+0xf18/0x17d0 [10707.123220][ T7704] ip6_route_add+0x1c/0x140 [10707.123220][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10707.123220][ T7704] addrconf_add_dev+0xe2/0x170 [10707.123220][ T7704] inet6_addr_add+0x12f/0xa40 [10707.123220][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10707.123220][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10707.123220][ T7704] netlink_rcv_skb+0x130/0x360 [10707.123220][ T7704] netlink_unicast+0x449/0x710 [10707.123220][ T7704] netlink_sendmsg+0x723/0xbe0 [10707.123220][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10707.123220][ T7704] ___sys_sendmsg+0xee/0x170 [10707.123220][ T7704] __sys_sendmsg+0xcd/0x170 [10707.123220][ T7704] do_syscall_64+0xc6/0x1e0 [10707.123220][ T7704] [10707.125467][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10707.125467][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10707.125467][ T7704] ipv6_find_idev+0x102/0x170 [10707.125467][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10707.125467][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10707.125467][ T7704] netlink_rcv_skb+0x130/0x360 [10707.125467][ T7704] netlink_unicast+0x449/0x710 [10707.125467][ T7704] netlink_sendmsg+0x723/0xbe0 [10707.125467][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10707.125467][ T7704] ___sys_sendmsg+0xee/0x170 [10707.125467][ T7704] __sys_sendmsg+0xcd/0x170 [10707.125467][ T7704] do_syscall_64+0xc6/0x1e0 [10707.125467][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10707.125467][ T7704] [10707.127530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10707.127530][ T7704] neigh_parms_alloc+0x1e5/0x510 [10707.127530][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10707.127530][ T7704] ipv6_find_idev+0x102/0x170 [10707.127530][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10707.127530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10707.127530][ T7704] netlink_rcv_skb+0x130/0x360 [10707.127530][ T7704] netlink_unicast+0x449/0x710 [10707.127530][ T7704] netlink_sendmsg+0x723/0xbe0 [10707.127530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10707.127530][ T7704] ___sys_sendmsg+0xee/0x170 [10707.127530][ T7704] __sys_sendmsg+0xcd/0x170 [10707.127530][ T7704] do_syscall_64+0xc6/0x1e0 [10707.127530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10707.127530][ T7704] [10717.164843][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10717.165447][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10717.165447][ T7704] netdev_get_by_index+0x5e/0x80 [10717.165447][ T7704] fib6_nh_init+0x3d8/0x15b0 [10717.165447][ T7704] ip6_route_info_create+0xf18/0x17d0 [10717.165447][ T7704] ip6_route_add+0x1c/0x140 [10717.165447][ T7704] addrconf_prefix_route+0x2a6/0x430 [10717.165447][ T7704] inet6_addr_add+0x4f8/0xa40 [10717.165447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10717.165447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10717.165447][ T7704] netlink_rcv_skb+0x130/0x360 [10717.165447][ T7704] netlink_unicast+0x449/0x710 [10717.165447][ T7704] netlink_sendmsg+0x723/0xbe0 [10717.165447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10717.165447][ T7704] ___sys_sendmsg+0xee/0x170 [10717.165447][ T7704] __sys_sendmsg+0xcd/0x170 [10717.165447][ T7704] do_syscall_64+0xc6/0x1e0 [10717.165447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10717.165447][ T7704] [10717.167905][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10717.167905][ T7704] netdev_get_by_index+0x5e/0x80 [10717.167905][ T7704] fib6_nh_init+0x3d8/0x15b0 [10717.167905][ T7704] ip6_route_info_create+0xf18/0x17d0 [10717.167905][ T7704] addrconf_f6i_alloc+0x315/0x560 [10717.167905][ T7704] ipv6_add_addr+0x411/0x2000 [10717.167905][ T7704] inet6_addr_add+0x30e/0xa40 [10717.167905][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10717.167905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10717.167905][ T7704] netlink_rcv_skb+0x130/0x360 [10717.167905][ T7704] netlink_unicast+0x449/0x710 [10717.167905][ T7704] netlink_sendmsg+0x723/0xbe0 [10717.167905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10717.167905][ T7704] ___sys_sendmsg+0xee/0x170 [10717.167905][ T7704] __sys_sendmsg+0xcd/0x170 [10717.167905][ T7704] do_syscall_64+0xc6/0x1e0 [10717.167905][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10717.167905][ T7704] [10717.170320][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10717.170320][ T7704] netdev_get_by_index+0x5e/0x80 [10717.170320][ T7704] fib6_nh_init+0x3d8/0x15b0 [10717.170320][ T7704] ip6_route_info_create+0xf18/0x17d0 [10717.170320][ T7704] ip6_route_add+0x1c/0x140 [10717.170320][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10717.170320][ T7704] addrconf_add_dev+0xe2/0x170 [10717.170320][ T7704] inet6_addr_add+0x12f/0xa40 [10717.170320][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10717.170320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10717.170320][ T7704] netlink_rcv_skb+0x130/0x360 [10717.170320][ T7704] netlink_unicast+0x449/0x710 [10717.170320][ T7704] netlink_sendmsg+0x723/0xbe0 [10717.170320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10717.170320][ T7704] ___sys_sendmsg+0xee/0x170 [10717.170320][ T7704] __sys_sendmsg+0xcd/0x170 [10717.170320][ T7704] do_syscall_64+0xc6/0x1e0 [10717.170320][ T7704] [10717.173104][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10717.173104][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10717.173104][ T7704] ipv6_find_idev+0x102/0x170 [10717.173104][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10717.173104][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10717.173104][ T7704] netlink_rcv_skb+0x130/0x360 [10717.173104][ T7704] netlink_unicast+0x449/0x710 [10717.173104][ T7704] netlink_sendmsg+0x723/0xbe0 [10717.173104][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10717.173104][ T7704] ___sys_sendmsg+0xee/0x170 [10717.173104][ T7704] __sys_sendmsg+0xcd/0x170 [10717.173104][ T7704] do_syscall_64+0xc6/0x1e0 [10717.173104][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10717.173104][ T7704] [10717.175004][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10717.175004][ T7704] neigh_parms_alloc+0x1e5/0x510 [10717.175004][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10717.175004][ T7704] ipv6_find_idev+0x102/0x170 [10717.175004][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10717.175004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10717.175004][ T7704] netlink_rcv_skb+0x130/0x360 [10717.175004][ T7704] netlink_unicast+0x449/0x710 [10717.175004][ T7704] netlink_sendmsg+0x723/0xbe0 [10717.175004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10717.175004][ T7704] ___sys_sendmsg+0xee/0x170 [10717.175004][ T7704] __sys_sendmsg+0xcd/0x170 [10717.175004][ T7704] do_syscall_64+0xc6/0x1e0 [10717.175004][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10717.175004][ T7704] [10727.260832][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10727.261322][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10727.261322][ T7704] netdev_get_by_index+0x5e/0x80 [10727.261322][ T7704] fib6_nh_init+0x3d8/0x15b0 [10727.261322][ T7704] ip6_route_info_create+0xf18/0x17d0 [10727.261322][ T7704] ip6_route_add+0x1c/0x140 [10727.261322][ T7704] addrconf_prefix_route+0x2a6/0x430 [10727.261322][ T7704] inet6_addr_add+0x4f8/0xa40 [10727.261322][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10727.261322][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10727.261322][ T7704] netlink_rcv_skb+0x130/0x360 [10727.261322][ T7704] netlink_unicast+0x449/0x710 [10727.261322][ T7704] netlink_sendmsg+0x723/0xbe0 [10727.261322][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10727.261322][ T7704] ___sys_sendmsg+0xee/0x170 [10727.261322][ T7704] __sys_sendmsg+0xcd/0x170 [10727.261322][ T7704] do_syscall_64+0xc6/0x1e0 [10727.261322][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10727.261322][ T7704] [10727.263672][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10727.263672][ T7704] netdev_get_by_index+0x5e/0x80 [10727.263672][ T7704] fib6_nh_init+0x3d8/0x15b0 [10727.263672][ T7704] ip6_route_info_create+0xf18/0x17d0 [10727.263672][ T7704] addrconf_f6i_alloc+0x315/0x560 [10727.263672][ T7704] ipv6_add_addr+0x411/0x2000 [10727.263672][ T7704] inet6_addr_add+0x30e/0xa40 [10727.263672][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10727.263672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10727.263672][ T7704] netlink_rcv_skb+0x130/0x360 [10727.263672][ T7704] netlink_unicast+0x449/0x710 [10727.263672][ T7704] netlink_sendmsg+0x723/0xbe0 [10727.263672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10727.263672][ T7704] ___sys_sendmsg+0xee/0x170 [10727.263672][ T7704] __sys_sendmsg+0xcd/0x170 [10727.263672][ T7704] do_syscall_64+0xc6/0x1e0 [10727.263672][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10727.263672][ T7704] [10727.265916][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10727.265916][ T7704] netdev_get_by_index+0x5e/0x80 [10727.265916][ T7704] fib6_nh_init+0x3d8/0x15b0 [10727.265916][ T7704] ip6_route_info_create+0xf18/0x17d0 [10727.265916][ T7704] ip6_route_add+0x1c/0x140 [10727.265916][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10727.265916][ T7704] addrconf_add_dev+0xe2/0x170 [10727.265916][ T7704] inet6_addr_add+0x12f/0xa40 [10727.265916][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10727.265916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10727.265916][ T7704] netlink_rcv_skb+0x130/0x360 [10727.265916][ T7704] netlink_unicast+0x449/0x710 [10727.265916][ T7704] netlink_sendmsg+0x723/0xbe0 [10727.265916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10727.265916][ T7704] ___sys_sendmsg+0xee/0x170 [10727.265916][ T7704] __sys_sendmsg+0xcd/0x170 [10727.265916][ T7704] do_syscall_64+0xc6/0x1e0 [10727.265916][ T7704] [10727.268113][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10727.268113][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10727.268113][ T7704] ipv6_find_idev+0x102/0x170 [10727.268113][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10727.268113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10727.268113][ T7704] netlink_rcv_skb+0x130/0x360 [10727.268113][ T7704] netlink_unicast+0x449/0x710 [10727.268113][ T7704] netlink_sendmsg+0x723/0xbe0 [10727.268113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10727.268113][ T7704] ___sys_sendmsg+0xee/0x170 [10727.268113][ T7704] __sys_sendmsg+0xcd/0x170 [10727.268113][ T7704] do_syscall_64+0xc6/0x1e0 [10727.268113][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10727.268113][ T7704] [10727.269841][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10727.269841][ T7704] neigh_parms_alloc+0x1e5/0x510 [10727.269841][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10727.269841][ T7704] ipv6_find_idev+0x102/0x170 [10727.269841][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10727.269841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10727.269841][ T7704] netlink_rcv_skb+0x130/0x360 [10727.269841][ T7704] netlink_unicast+0x449/0x710 [10727.269841][ T7704] netlink_sendmsg+0x723/0xbe0 [10727.269841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10727.269841][ T7704] ___sys_sendmsg+0xee/0x170 [10727.269841][ T7704] __sys_sendmsg+0xcd/0x170 [10727.269841][ T7704] do_syscall_64+0xc6/0x1e0 [10727.269841][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10727.269841][ T7704] [10737.836963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10737.837479][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10737.837479][ T7704] netdev_get_by_index+0x5e/0x80 [10737.837479][ T7704] fib6_nh_init+0x3d8/0x15b0 [10737.837479][ T7704] ip6_route_info_create+0xf18/0x17d0 [10737.837479][ T7704] ip6_route_add+0x1c/0x140 [10737.837479][ T7704] addrconf_prefix_route+0x2a6/0x430 [10737.837479][ T7704] inet6_addr_add+0x4f8/0xa40 [10737.837479][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10737.837479][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10737.837479][ T7704] netlink_rcv_skb+0x130/0x360 [10737.837479][ T7704] netlink_unicast+0x449/0x710 [10737.837479][ T7704] netlink_sendmsg+0x723/0xbe0 [10737.837479][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10737.837479][ T7704] ___sys_sendmsg+0xee/0x170 [10737.837479][ T7704] __sys_sendmsg+0xcd/0x170 [10737.837479][ T7704] do_syscall_64+0xc6/0x1e0 [10737.837479][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10737.837479][ T7704] [10737.839957][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10737.839957][ T7704] netdev_get_by_index+0x5e/0x80 [10737.839957][ T7704] fib6_nh_init+0x3d8/0x15b0 [10737.839957][ T7704] ip6_route_info_create+0xf18/0x17d0 [10737.839957][ T7704] addrconf_f6i_alloc+0x315/0x560 [10737.839957][ T7704] ipv6_add_addr+0x411/0x2000 [10737.839957][ T7704] inet6_addr_add+0x30e/0xa40 [10737.839957][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10737.839957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10737.839957][ T7704] netlink_rcv_skb+0x130/0x360 [10737.839957][ T7704] netlink_unicast+0x449/0x710 [10737.839957][ T7704] netlink_sendmsg+0x723/0xbe0 [10737.839957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10737.839957][ T7704] ___sys_sendmsg+0xee/0x170 [10737.839957][ T7704] __sys_sendmsg+0xcd/0x170 [10737.839957][ T7704] do_syscall_64+0xc6/0x1e0 [10737.839957][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10737.839957][ T7704] [10737.842399][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10737.842399][ T7704] netdev_get_by_index+0x5e/0x80 [10737.842399][ T7704] fib6_nh_init+0x3d8/0x15b0 [10737.842399][ T7704] ip6_route_info_create+0xf18/0x17d0 [10737.842399][ T7704] ip6_route_add+0x1c/0x140 [10737.842399][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10737.842399][ T7704] addrconf_add_dev+0xe2/0x170 [10737.842399][ T7704] inet6_addr_add+0x12f/0xa40 [10737.842399][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10737.842399][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10737.842399][ T7704] netlink_rcv_skb+0x130/0x360 [10737.842399][ T7704] netlink_unicast+0x449/0x710 [10737.842399][ T7704] netlink_sendmsg+0x723/0xbe0 [10737.842399][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10737.842399][ T7704] ___sys_sendmsg+0xee/0x170 [10737.842399][ T7704] __sys_sendmsg+0xcd/0x170 [10737.842399][ T7704] do_syscall_64+0xc6/0x1e0 [10737.842399][ T7704] [10737.844600][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10737.844600][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10737.844600][ T7704] ipv6_find_idev+0x102/0x170 [10737.844600][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10737.844600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10737.844600][ T7704] netlink_rcv_skb+0x130/0x360 [10737.844600][ T7704] netlink_unicast+0x449/0x710 [10737.844600][ T7704] netlink_sendmsg+0x723/0xbe0 [10737.844600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10737.844600][ T7704] ___sys_sendmsg+0xee/0x170 [10737.844600][ T7704] __sys_sendmsg+0xcd/0x170 [10737.844600][ T7704] do_syscall_64+0xc6/0x1e0 [10737.844600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10737.844600][ T7704] [10737.846338][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10737.846338][ T7704] neigh_parms_alloc+0x1e5/0x510 [10737.846338][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10737.846338][ T7704] ipv6_find_idev+0x102/0x170 [10737.846338][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10737.846338][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10737.846338][ T7704] netlink_rcv_skb+0x130/0x360 [10737.846338][ T7704] netlink_unicast+0x449/0x710 [10737.846338][ T7704] netlink_sendmsg+0x723/0xbe0 [10737.846338][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10737.846338][ T7704] ___sys_sendmsg+0xee/0x170 [10737.846338][ T7704] __sys_sendmsg+0xcd/0x170 [10737.846338][ T7704] do_syscall_64+0xc6/0x1e0 [10737.846338][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10737.846338][ T7704] [10748.028741][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10748.029219][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10748.029219][ T7704] netdev_get_by_index+0x5e/0x80 [10748.029219][ T7704] fib6_nh_init+0x3d8/0x15b0 [10748.029219][ T7704] ip6_route_info_create+0xf18/0x17d0 [10748.029219][ T7704] ip6_route_add+0x1c/0x140 [10748.029219][ T7704] addrconf_prefix_route+0x2a6/0x430 [10748.029219][ T7704] inet6_addr_add+0x4f8/0xa40 [10748.029219][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10748.029219][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10748.029219][ T7704] netlink_rcv_skb+0x130/0x360 [10748.029219][ T7704] netlink_unicast+0x449/0x710 [10748.029219][ T7704] netlink_sendmsg+0x723/0xbe0 [10748.029219][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10748.029219][ T7704] ___sys_sendmsg+0xee/0x170 [10748.029219][ T7704] __sys_sendmsg+0xcd/0x170 [10748.029219][ T7704] do_syscall_64+0xc6/0x1e0 [10748.029219][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10748.029219][ T7704] [10748.031533][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10748.031533][ T7704] netdev_get_by_index+0x5e/0x80 [10748.031533][ T7704] fib6_nh_init+0x3d8/0x15b0 [10748.031533][ T7704] ip6_route_info_create+0xf18/0x17d0 [10748.031533][ T7704] addrconf_f6i_alloc+0x315/0x560 [10748.031533][ T7704] ipv6_add_addr+0x411/0x2000 [10748.031533][ T7704] inet6_addr_add+0x30e/0xa40 [10748.031533][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10748.031533][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10748.031533][ T7704] netlink_rcv_skb+0x130/0x360 [10748.031533][ T7704] netlink_unicast+0x449/0x710 [10748.031533][ T7704] netlink_sendmsg+0x723/0xbe0 [10748.031533][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10748.031533][ T7704] ___sys_sendmsg+0xee/0x170 [10748.031533][ T7704] __sys_sendmsg+0xcd/0x170 [10748.031533][ T7704] do_syscall_64+0xc6/0x1e0 [10748.031533][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10748.031533][ T7704] [10748.033796][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10748.033796][ T7704] netdev_get_by_index+0x5e/0x80 [10748.033796][ T7704] fib6_nh_init+0x3d8/0x15b0 [10748.033796][ T7704] ip6_route_info_create+0xf18/0x17d0 [10748.033796][ T7704] ip6_route_add+0x1c/0x140 [10748.033796][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10748.033796][ T7704] addrconf_add_dev+0xe2/0x170 [10748.033796][ T7704] inet6_addr_add+0x12f/0xa40 [10748.033796][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10748.033796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10748.033796][ T7704] netlink_rcv_skb+0x130/0x360 [10748.033796][ T7704] netlink_unicast+0x449/0x710 [10748.033796][ T7704] netlink_sendmsg+0x723/0xbe0 [10748.033796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10748.033796][ T7704] ___sys_sendmsg+0xee/0x170 [10748.033796][ T7704] __sys_sendmsg+0xcd/0x170 [10748.033796][ T7704] do_syscall_64+0xc6/0x1e0 [10748.033796][ T7704] [10748.036039][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10748.036039][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10748.036039][ T7704] ipv6_find_idev+0x102/0x170 [10748.036039][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10748.036039][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10748.036039][ T7704] netlink_rcv_skb+0x130/0x360 [10748.036039][ T7704] netlink_unicast+0x449/0x710 [10748.036039][ T7704] netlink_sendmsg+0x723/0xbe0 [10748.036039][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10748.036039][ T7704] ___sys_sendmsg+0xee/0x170 [10748.036039][ T7704] __sys_sendmsg+0xcd/0x170 [10748.036039][ T7704] do_syscall_64+0xc6/0x1e0 [10748.036039][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10748.036039][ T7704] [10748.037760][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10748.037760][ T7704] neigh_parms_alloc+0x1e5/0x510 [10748.037760][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10748.037760][ T7704] ipv6_find_idev+0x102/0x170 [10748.037760][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10748.037760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10748.037760][ T7704] netlink_rcv_skb+0x130/0x360 [10748.037760][ T7704] netlink_unicast+0x449/0x710 [10748.037760][ T7704] netlink_sendmsg+0x723/0xbe0 [10748.037760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10748.037760][ T7704] ___sys_sendmsg+0xee/0x170 [10748.037760][ T7704] __sys_sendmsg+0xcd/0x170 [10748.037760][ T7704] do_syscall_64+0xc6/0x1e0 [10748.037760][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10748.037760][ T7704] [10758.276841][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10758.277484][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10758.277484][ T7704] netdev_get_by_index+0x5e/0x80 [10758.277484][ T7704] fib6_nh_init+0x3d8/0x15b0 [10758.277484][ T7704] ip6_route_info_create+0xf18/0x17d0 [10758.277484][ T7704] ip6_route_add+0x1c/0x140 [10758.277484][ T7704] addrconf_prefix_route+0x2a6/0x430 [10758.277484][ T7704] inet6_addr_add+0x4f8/0xa40 [10758.277484][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10758.277484][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10758.277484][ T7704] netlink_rcv_skb+0x130/0x360 [10758.277484][ T7704] netlink_unicast+0x449/0x710 [10758.277484][ T7704] netlink_sendmsg+0x723/0xbe0 [10758.277484][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10758.277484][ T7704] ___sys_sendmsg+0xee/0x170 [10758.277484][ T7704] __sys_sendmsg+0xcd/0x170 [10758.277484][ T7704] do_syscall_64+0xc6/0x1e0 [10758.277484][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10758.277484][ T7704] [10758.280775][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10758.280775][ T7704] netdev_get_by_index+0x5e/0x80 [10758.280775][ T7704] fib6_nh_init+0x3d8/0x15b0 [10758.280775][ T7704] ip6_route_info_create+0xf18/0x17d0 [10758.280775][ T7704] addrconf_f6i_alloc+0x315/0x560 [10758.280775][ T7704] ipv6_add_addr+0x411/0x2000 [10758.280775][ T7704] inet6_addr_add+0x30e/0xa40 [10758.280775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10758.280775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10758.280775][ T7704] netlink_rcv_skb+0x130/0x360 [10758.280775][ T7704] netlink_unicast+0x449/0x710 [10758.280775][ T7704] netlink_sendmsg+0x723/0xbe0 [10758.280775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10758.280775][ T7704] ___sys_sendmsg+0xee/0x170 [10758.280775][ T7704] __sys_sendmsg+0xcd/0x170 [10758.280775][ T7704] do_syscall_64+0xc6/0x1e0 [10758.280775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10758.280775][ T7704] [10758.284223][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10758.284223][ T7704] netdev_get_by_index+0x5e/0x80 [10758.284223][ T7704] fib6_nh_init+0x3d8/0x15b0 [10758.284223][ T7704] ip6_route_info_create+0xf18/0x17d0 [10758.284223][ T7704] ip6_route_add+0x1c/0x140 [10758.284223][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10758.284223][ T7704] addrconf_add_dev+0xe2/0x170 [10758.284223][ T7704] inet6_addr_add+0x12f/0xa40 [10758.284223][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10758.284223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10758.284223][ T7704] netlink_rcv_skb+0x130/0x360 [10758.284223][ T7704] netlink_unicast+0x449/0x710 [10758.284223][ T7704] netlink_sendmsg+0x723/0xbe0 [10758.284223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10758.284223][ T7704] ___sys_sendmsg+0xee/0x170 [10758.284223][ T7704] __sys_sendmsg+0xcd/0x170 [10758.284223][ T7704] do_syscall_64+0xc6/0x1e0 [10758.284223][ T7704] [10758.287191][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10758.287191][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10758.287191][ T7704] ipv6_find_idev+0x102/0x170 [10758.287191][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10758.287191][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10758.287191][ T7704] netlink_rcv_skb+0x130/0x360 [10758.287191][ T7704] netlink_unicast+0x449/0x710 [10758.287191][ T7704] netlink_sendmsg+0x723/0xbe0 [10758.287191][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10758.287191][ T7704] ___sys_sendmsg+0xee/0x170 [10758.287191][ T7704] __sys_sendmsg+0xcd/0x170 [10758.287191][ T7704] do_syscall_64+0xc6/0x1e0 [10758.287191][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10758.287191][ T7704] [10758.289623][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10758.289623][ T7704] neigh_parms_alloc+0x1e5/0x510 [10758.289623][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10758.289623][ T7704] ipv6_find_idev+0x102/0x170 [10758.289623][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10758.289623][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10758.289623][ T7704] netlink_rcv_skb+0x130/0x360 [10758.289623][ T7704] netlink_unicast+0x449/0x710 [10758.289623][ T7704] netlink_sendmsg+0x723/0xbe0 [10758.289623][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10758.289623][ T7704] ___sys_sendmsg+0xee/0x170 [10758.289623][ T7704] __sys_sendmsg+0xcd/0x170 [10758.289623][ T7704] do_syscall_64+0xc6/0x1e0 [10758.289623][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10758.289623][ T7704] [10768.532799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10768.533341][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10768.533341][ T7704] netdev_get_by_index+0x5e/0x80 [10768.533341][ T7704] fib6_nh_init+0x3d8/0x15b0 [10768.533341][ T7704] ip6_route_info_create+0xf18/0x17d0 [10768.533341][ T7704] ip6_route_add+0x1c/0x140 [10768.533341][ T7704] addrconf_prefix_route+0x2a6/0x430 [10768.533341][ T7704] inet6_addr_add+0x4f8/0xa40 [10768.533341][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10768.533341][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10768.533341][ T7704] netlink_rcv_skb+0x130/0x360 [10768.533341][ T7704] netlink_unicast+0x449/0x710 [10768.533341][ T7704] netlink_sendmsg+0x723/0xbe0 [10768.533341][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10768.533341][ T7704] ___sys_sendmsg+0xee/0x170 [10768.533341][ T7704] __sys_sendmsg+0xcd/0x170 [10768.533341][ T7704] do_syscall_64+0xc6/0x1e0 [10768.533341][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10768.533341][ T7704] [10768.535589][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10768.535589][ T7704] netdev_get_by_index+0x5e/0x80 [10768.535589][ T7704] fib6_nh_init+0x3d8/0x15b0 [10768.535589][ T7704] ip6_route_info_create+0xf18/0x17d0 [10768.535589][ T7704] addrconf_f6i_alloc+0x315/0x560 [10768.535589][ T7704] ipv6_add_addr+0x411/0x2000 [10768.535589][ T7704] inet6_addr_add+0x30e/0xa40 [10768.535589][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10768.535589][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10768.535589][ T7704] netlink_rcv_skb+0x130/0x360 [10768.535589][ T7704] netlink_unicast+0x449/0x710 [10768.535589][ T7704] netlink_sendmsg+0x723/0xbe0 [10768.535589][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10768.535589][ T7704] ___sys_sendmsg+0xee/0x170 [10768.535589][ T7704] __sys_sendmsg+0xcd/0x170 [10768.535589][ T7704] do_syscall_64+0xc6/0x1e0 [10768.535589][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10768.535589][ T7704] [10768.537848][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10768.537848][ T7704] netdev_get_by_index+0x5e/0x80 [10768.537848][ T7704] fib6_nh_init+0x3d8/0x15b0 [10768.537848][ T7704] ip6_route_info_create+0xf18/0x17d0 [10768.537848][ T7704] ip6_route_add+0x1c/0x140 [10768.537848][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10768.537848][ T7704] addrconf_add_dev+0xe2/0x170 [10768.537848][ T7704] inet6_addr_add+0x12f/0xa40 [10768.537848][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10768.537848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10768.537848][ T7704] netlink_rcv_skb+0x130/0x360 [10768.537848][ T7704] netlink_unicast+0x449/0x710 [10768.537848][ T7704] netlink_sendmsg+0x723/0xbe0 [10768.537848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10768.537848][ T7704] ___sys_sendmsg+0xee/0x170 [10768.537848][ T7704] __sys_sendmsg+0xcd/0x170 [10768.537848][ T7704] do_syscall_64+0xc6/0x1e0 [10768.537848][ T7704] [10768.540092][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10768.540092][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10768.540092][ T7704] ipv6_find_idev+0x102/0x170 [10768.540092][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10768.540092][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10768.540092][ T7704] netlink_rcv_skb+0x130/0x360 [10768.540092][ T7704] netlink_unicast+0x449/0x710 [10768.540092][ T7704] netlink_sendmsg+0x723/0xbe0 [10768.540092][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10768.540092][ T7704] ___sys_sendmsg+0xee/0x170 [10768.540092][ T7704] __sys_sendmsg+0xcd/0x170 [10768.540092][ T7704] do_syscall_64+0xc6/0x1e0 [10768.540092][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10768.540092][ T7704] [10768.541845][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10768.541845][ T7704] neigh_parms_alloc+0x1e5/0x510 [10768.541845][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10768.541845][ T7704] ipv6_find_idev+0x102/0x170 [10768.541845][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10768.541845][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10768.541845][ T7704] netlink_rcv_skb+0x130/0x360 [10768.541845][ T7704] netlink_unicast+0x449/0x710 [10768.541845][ T7704] netlink_sendmsg+0x723/0xbe0 [10768.541845][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10768.541845][ T7704] ___sys_sendmsg+0xee/0x170 [10768.541845][ T7704] __sys_sendmsg+0xcd/0x170 [10768.541845][ T7704] do_syscall_64+0xc6/0x1e0 [10768.541845][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10768.541845][ T7704] [10778.604830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10778.605304][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10778.605304][ T7704] netdev_get_by_index+0x5e/0x80 [10778.605304][ T7704] fib6_nh_init+0x3d8/0x15b0 [10778.605304][ T7704] ip6_route_info_create+0xf18/0x17d0 [10778.605304][ T7704] ip6_route_add+0x1c/0x140 [10778.605304][ T7704] addrconf_prefix_route+0x2a6/0x430 [10778.605304][ T7704] inet6_addr_add+0x4f8/0xa40 [10778.605304][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10778.605304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10778.605304][ T7704] netlink_rcv_skb+0x130/0x360 [10778.605304][ T7704] netlink_unicast+0x449/0x710 [10778.605304][ T7704] netlink_sendmsg+0x723/0xbe0 [10778.605304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10778.605304][ T7704] ___sys_sendmsg+0xee/0x170 [10778.605304][ T7704] __sys_sendmsg+0xcd/0x170 [10778.605304][ T7704] do_syscall_64+0xc6/0x1e0 [10778.605304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10778.605304][ T7704] [10778.607555][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10778.607555][ T7704] netdev_get_by_index+0x5e/0x80 [10778.607555][ T7704] fib6_nh_init+0x3d8/0x15b0 [10778.607555][ T7704] ip6_route_info_create+0xf18/0x17d0 [10778.607555][ T7704] addrconf_f6i_alloc+0x315/0x560 [10778.607555][ T7704] ipv6_add_addr+0x411/0x2000 [10778.607555][ T7704] inet6_addr_add+0x30e/0xa40 [10778.607555][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10778.607555][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10778.607555][ T7704] netlink_rcv_skb+0x130/0x360 [10778.607555][ T7704] netlink_unicast+0x449/0x710 [10778.607555][ T7704] netlink_sendmsg+0x723/0xbe0 [10778.607555][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10778.607555][ T7704] ___sys_sendmsg+0xee/0x170 [10778.607555][ T7704] __sys_sendmsg+0xcd/0x170 [10778.607555][ T7704] do_syscall_64+0xc6/0x1e0 [10778.607555][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10778.607555][ T7704] [10778.609770][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10778.609770][ T7704] netdev_get_by_index+0x5e/0x80 [10778.609770][ T7704] fib6_nh_init+0x3d8/0x15b0 [10778.609770][ T7704] ip6_route_info_create+0xf18/0x17d0 [10778.609770][ T7704] ip6_route_add+0x1c/0x140 [10778.609770][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10778.609770][ T7704] addrconf_add_dev+0xe2/0x170 [10778.609770][ T7704] inet6_addr_add+0x12f/0xa40 [10778.609770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10778.609770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10778.609770][ T7704] netlink_rcv_skb+0x130/0x360 [10778.609770][ T7704] netlink_unicast+0x449/0x710 [10778.609770][ T7704] netlink_sendmsg+0x723/0xbe0 [10778.609770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10778.609770][ T7704] ___sys_sendmsg+0xee/0x170 [10778.609770][ T7704] __sys_sendmsg+0xcd/0x170 [10778.609770][ T7704] do_syscall_64+0xc6/0x1e0 [10778.609770][ T7704] [10778.611961][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10778.611961][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10778.611961][ T7704] ipv6_find_idev+0x102/0x170 [10778.611961][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10778.611961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10778.611961][ T7704] netlink_rcv_skb+0x130/0x360 [10778.611961][ T7704] netlink_unicast+0x449/0x710 [10778.611961][ T7704] netlink_sendmsg+0x723/0xbe0 [10778.611961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10778.611961][ T7704] ___sys_sendmsg+0xee/0x170 [10778.611961][ T7704] __sys_sendmsg+0xcd/0x170 [10778.611961][ T7704] do_syscall_64+0xc6/0x1e0 [10778.611961][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10778.611961][ T7704] [10778.613677][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10778.613677][ T7704] neigh_parms_alloc+0x1e5/0x510 [10778.613677][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10778.613677][ T7704] ipv6_find_idev+0x102/0x170 [10778.613677][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10778.613677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10778.613677][ T7704] netlink_rcv_skb+0x130/0x360 [10778.613677][ T7704] netlink_unicast+0x449/0x710 [10778.613677][ T7704] netlink_sendmsg+0x723/0xbe0 [10778.613677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10778.613677][ T7704] ___sys_sendmsg+0xee/0x170 [10778.613677][ T7704] __sys_sendmsg+0xcd/0x170 [10778.613677][ T7704] do_syscall_64+0xc6/0x1e0 [10778.613677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10778.613677][ T7704] [10788.652808][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10788.653353][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10788.653353][ T7704] netdev_get_by_index+0x5e/0x80 [10788.653353][ T7704] fib6_nh_init+0x3d8/0x15b0 [10788.653353][ T7704] ip6_route_info_create+0xf18/0x17d0 [10788.653353][ T7704] ip6_route_add+0x1c/0x140 [10788.653353][ T7704] addrconf_prefix_route+0x2a6/0x430 [10788.653353][ T7704] inet6_addr_add+0x4f8/0xa40 [10788.653353][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10788.653353][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10788.653353][ T7704] netlink_rcv_skb+0x130/0x360 [10788.653353][ T7704] netlink_unicast+0x449/0x710 [10788.653353][ T7704] netlink_sendmsg+0x723/0xbe0 [10788.653353][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10788.653353][ T7704] ___sys_sendmsg+0xee/0x170 [10788.653353][ T7704] __sys_sendmsg+0xcd/0x170 [10788.653353][ T7704] do_syscall_64+0xc6/0x1e0 [10788.653353][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10788.653353][ T7704] [10788.655839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10788.655839][ T7704] netdev_get_by_index+0x5e/0x80 [10788.655839][ T7704] fib6_nh_init+0x3d8/0x15b0 [10788.655839][ T7704] ip6_route_info_create+0xf18/0x17d0 [10788.655839][ T7704] addrconf_f6i_alloc+0x315/0x560 [10788.655839][ T7704] ipv6_add_addr+0x411/0x2000 [10788.655839][ T7704] inet6_addr_add+0x30e/0xa40 [10788.655839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10788.655839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10788.655839][ T7704] netlink_rcv_skb+0x130/0x360 [10788.655839][ T7704] netlink_unicast+0x449/0x710 [10788.655839][ T7704] netlink_sendmsg+0x723/0xbe0 [10788.655839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10788.655839][ T7704] ___sys_sendmsg+0xee/0x170 [10788.655839][ T7704] __sys_sendmsg+0xcd/0x170 [10788.655839][ T7704] do_syscall_64+0xc6/0x1e0 [10788.655839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10788.655839][ T7704] [10788.658379][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10788.658379][ T7704] netdev_get_by_index+0x5e/0x80 [10788.658379][ T7704] fib6_nh_init+0x3d8/0x15b0 [10788.658379][ T7704] ip6_route_info_create+0xf18/0x17d0 [10788.658379][ T7704] ip6_route_add+0x1c/0x140 [10788.658379][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10788.658379][ T7704] addrconf_add_dev+0xe2/0x170 [10788.658379][ T7704] inet6_addr_add+0x12f/0xa40 [10788.658379][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10788.658379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10788.658379][ T7704] netlink_rcv_skb+0x130/0x360 [10788.658379][ T7704] netlink_unicast+0x449/0x710 [10788.658379][ T7704] netlink_sendmsg+0x723/0xbe0 [10788.658379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10788.658379][ T7704] ___sys_sendmsg+0xee/0x170 [10788.658379][ T7704] __sys_sendmsg+0xcd/0x170 [10788.658379][ T7704] do_syscall_64+0xc6/0x1e0 [10788.658379][ T7704] [10788.661872][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10788.661872][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10788.661872][ T7704] ipv6_find_idev+0x102/0x170 [10788.661872][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10788.661872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10788.661872][ T7704] netlink_rcv_skb+0x130/0x360 [10788.661872][ T7704] netlink_unicast+0x449/0x710 [10788.661872][ T7704] netlink_sendmsg+0x723/0xbe0 [10788.661872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10788.661872][ T7704] ___sys_sendmsg+0xee/0x170 [10788.661872][ T7704] __sys_sendmsg+0xcd/0x170 [10788.661872][ T7704] do_syscall_64+0xc6/0x1e0 [10788.661872][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10788.661872][ T7704] [10788.664628][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10788.664628][ T7704] neigh_parms_alloc+0x1e5/0x510 [10788.664628][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10788.664628][ T7704] ipv6_find_idev+0x102/0x170 [10788.664628][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10788.664628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10788.664628][ T7704] netlink_rcv_skb+0x130/0x360 [10788.664628][ T7704] netlink_unicast+0x449/0x710 [10788.664628][ T7704] netlink_sendmsg+0x723/0xbe0 [10788.664628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10788.664628][ T7704] ___sys_sendmsg+0xee/0x170 [10788.664628][ T7704] __sys_sendmsg+0xcd/0x170 [10788.664628][ T7704] do_syscall_64+0xc6/0x1e0 [10788.664628][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10788.664628][ T7704] [10798.860774][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10798.861298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10798.861298][ T7704] netdev_get_by_index+0x5e/0x80 [10798.861298][ T7704] fib6_nh_init+0x3d8/0x15b0 [10798.861298][ T7704] ip6_route_info_create+0xf18/0x17d0 [10798.861298][ T7704] ip6_route_add+0x1c/0x140 [10798.861298][ T7704] addrconf_prefix_route+0x2a6/0x430 [10798.861298][ T7704] inet6_addr_add+0x4f8/0xa40 [10798.861298][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10798.861298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10798.861298][ T7704] netlink_rcv_skb+0x130/0x360 [10798.861298][ T7704] netlink_unicast+0x449/0x710 [10798.861298][ T7704] netlink_sendmsg+0x723/0xbe0 [10798.861298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10798.861298][ T7704] ___sys_sendmsg+0xee/0x170 [10798.861298][ T7704] __sys_sendmsg+0xcd/0x170 [10798.861298][ T7704] do_syscall_64+0xc6/0x1e0 [10798.861298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10798.861298][ T7704] [10798.863756][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10798.863756][ T7704] netdev_get_by_index+0x5e/0x80 [10798.863756][ T7704] fib6_nh_init+0x3d8/0x15b0 [10798.863756][ T7704] ip6_route_info_create+0xf18/0x17d0 [10798.863756][ T7704] addrconf_f6i_alloc+0x315/0x560 [10798.863756][ T7704] ipv6_add_addr+0x411/0x2000 [10798.863756][ T7704] inet6_addr_add+0x30e/0xa40 [10798.863756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10798.863756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10798.863756][ T7704] netlink_rcv_skb+0x130/0x360 [10798.863756][ T7704] netlink_unicast+0x449/0x710 [10798.863756][ T7704] netlink_sendmsg+0x723/0xbe0 [10798.863756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10798.863756][ T7704] ___sys_sendmsg+0xee/0x170 [10798.863756][ T7704] __sys_sendmsg+0xcd/0x170 [10798.863756][ T7704] do_syscall_64+0xc6/0x1e0 [10798.863756][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10798.863756][ T7704] [10798.865973][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10798.865973][ T7704] netdev_get_by_index+0x5e/0x80 [10798.865973][ T7704] fib6_nh_init+0x3d8/0x15b0 [10798.865973][ T7704] ip6_route_info_create+0xf18/0x17d0 [10798.865973][ T7704] ip6_route_add+0x1c/0x140 [10798.865973][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10798.865973][ T7704] addrconf_add_dev+0xe2/0x170 [10798.865973][ T7704] inet6_addr_add+0x12f/0xa40 [10798.865973][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10798.865973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10798.865973][ T7704] netlink_rcv_skb+0x130/0x360 [10798.865973][ T7704] netlink_unicast+0x449/0x710 [10798.865973][ T7704] netlink_sendmsg+0x723/0xbe0 [10798.865973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10798.865973][ T7704] ___sys_sendmsg+0xee/0x170 [10798.865973][ T7704] __sys_sendmsg+0xcd/0x170 [10798.865973][ T7704] do_syscall_64+0xc6/0x1e0 [10798.865973][ T7704] [10798.868150][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10798.868150][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10798.868150][ T7704] ipv6_find_idev+0x102/0x170 [10798.868150][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10798.868150][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10798.868150][ T7704] netlink_rcv_skb+0x130/0x360 [10798.868150][ T7704] netlink_unicast+0x449/0x710 [10798.868150][ T7704] netlink_sendmsg+0x723/0xbe0 [10798.868150][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10798.868150][ T7704] ___sys_sendmsg+0xee/0x170 [10798.868150][ T7704] __sys_sendmsg+0xcd/0x170 [10798.868150][ T7704] do_syscall_64+0xc6/0x1e0 [10798.868150][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10798.868150][ T7704] [10798.869865][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10798.869865][ T7704] neigh_parms_alloc+0x1e5/0x510 [10798.869865][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10798.869865][ T7704] ipv6_find_idev+0x102/0x170 [10798.869865][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10798.869865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10798.869865][ T7704] netlink_rcv_skb+0x130/0x360 [10798.869865][ T7704] netlink_unicast+0x449/0x710 [10798.869865][ T7704] netlink_sendmsg+0x723/0xbe0 [10798.869865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10798.869865][ T7704] ___sys_sendmsg+0xee/0x170 [10798.869865][ T7704] __sys_sendmsg+0xcd/0x170 [10798.869865][ T7704] do_syscall_64+0xc6/0x1e0 [10798.869865][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10798.869865][ T7704] [10808.940827][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10808.941336][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10808.941336][ T7704] netdev_get_by_index+0x5e/0x80 [10808.941336][ T7704] fib6_nh_init+0x3d8/0x15b0 [10808.941336][ T7704] ip6_route_info_create+0xf18/0x17d0 [10808.941336][ T7704] ip6_route_add+0x1c/0x140 [10808.941336][ T7704] addrconf_prefix_route+0x2a6/0x430 [10808.941336][ T7704] inet6_addr_add+0x4f8/0xa40 [10808.941336][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10808.941336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10808.941336][ T7704] netlink_rcv_skb+0x130/0x360 [10808.941336][ T7704] netlink_unicast+0x449/0x710 [10808.941336][ T7704] netlink_sendmsg+0x723/0xbe0 [10808.941336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10808.941336][ T7704] ___sys_sendmsg+0xee/0x170 [10808.941336][ T7704] __sys_sendmsg+0xcd/0x170 [10808.941336][ T7704] do_syscall_64+0xc6/0x1e0 [10808.941336][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10808.941336][ T7704] [10808.943782][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10808.943782][ T7704] netdev_get_by_index+0x5e/0x80 [10808.943782][ T7704] fib6_nh_init+0x3d8/0x15b0 [10808.943782][ T7704] ip6_route_info_create+0xf18/0x17d0 [10808.943782][ T7704] addrconf_f6i_alloc+0x315/0x560 [10808.943782][ T7704] ipv6_add_addr+0x411/0x2000 [10808.943782][ T7704] inet6_addr_add+0x30e/0xa40 [10808.943782][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10808.943782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10808.943782][ T7704] netlink_rcv_skb+0x130/0x360 [10808.943782][ T7704] netlink_unicast+0x449/0x710 [10808.943782][ T7704] netlink_sendmsg+0x723/0xbe0 [10808.943782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10808.943782][ T7704] ___sys_sendmsg+0xee/0x170 [10808.943782][ T7704] __sys_sendmsg+0xcd/0x170 [10808.943782][ T7704] do_syscall_64+0xc6/0x1e0 [10808.943782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10808.943782][ T7704] [10808.946077][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10808.946077][ T7704] netdev_get_by_index+0x5e/0x80 [10808.946077][ T7704] fib6_nh_init+0x3d8/0x15b0 [10808.946077][ T7704] ip6_route_info_create+0xf18/0x17d0 [10808.946077][ T7704] ip6_route_add+0x1c/0x140 [10808.946077][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10808.946077][ T7704] addrconf_add_dev+0xe2/0x170 [10808.946077][ T7704] inet6_addr_add+0x12f/0xa40 [10808.946077][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10808.946077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10808.946077][ T7704] netlink_rcv_skb+0x130/0x360 [10808.946077][ T7704] netlink_unicast+0x449/0x710 [10808.946077][ T7704] netlink_sendmsg+0x723/0xbe0 [10808.946077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10808.946077][ T7704] ___sys_sendmsg+0xee/0x170 [10808.946077][ T7704] __sys_sendmsg+0xcd/0x170 [10808.946077][ T7704] do_syscall_64+0xc6/0x1e0 [10808.946077][ T7704] [10808.948477][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10808.948477][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10808.948477][ T7704] ipv6_find_idev+0x102/0x170 [10808.948477][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10808.948477][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10808.948477][ T7704] netlink_rcv_skb+0x130/0x360 [10808.948477][ T7704] netlink_unicast+0x449/0x710 [10808.948477][ T7704] netlink_sendmsg+0x723/0xbe0 [10808.948477][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10808.948477][ T7704] ___sys_sendmsg+0xee/0x170 [10808.948477][ T7704] __sys_sendmsg+0xcd/0x170 [10808.948477][ T7704] do_syscall_64+0xc6/0x1e0 [10808.948477][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10808.948477][ T7704] [10808.950303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10808.950303][ T7704] neigh_parms_alloc+0x1e5/0x510 [10808.950303][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10808.950303][ T7704] ipv6_find_idev+0x102/0x170 [10808.950303][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10808.950303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10808.950303][ T7704] netlink_rcv_skb+0x130/0x360 [10808.950303][ T7704] netlink_unicast+0x449/0x710 [10808.950303][ T7704] netlink_sendmsg+0x723/0xbe0 [10808.950303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10808.950303][ T7704] ___sys_sendmsg+0xee/0x170 [10808.950303][ T7704] __sys_sendmsg+0xcd/0x170 [10808.950303][ T7704] do_syscall_64+0xc6/0x1e0 [10808.950303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10808.950303][ T7704] [10819.092805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10819.093285][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10819.093285][ T7704] netdev_get_by_index+0x5e/0x80 [10819.093285][ T7704] fib6_nh_init+0x3d8/0x15b0 [10819.093285][ T7704] ip6_route_info_create+0xf18/0x17d0 [10819.093285][ T7704] ip6_route_add+0x1c/0x140 [10819.093285][ T7704] addrconf_prefix_route+0x2a6/0x430 [10819.093285][ T7704] inet6_addr_add+0x4f8/0xa40 [10819.093285][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10819.093285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10819.093285][ T7704] netlink_rcv_skb+0x130/0x360 [10819.093285][ T7704] netlink_unicast+0x449/0x710 [10819.093285][ T7704] netlink_sendmsg+0x723/0xbe0 [10819.093285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10819.093285][ T7704] ___sys_sendmsg+0xee/0x170 [10819.093285][ T7704] __sys_sendmsg+0xcd/0x170 [10819.093285][ T7704] do_syscall_64+0xc6/0x1e0 [10819.093285][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10819.093285][ T7704] [10819.095690][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10819.095690][ T7704] netdev_get_by_index+0x5e/0x80 [10819.095690][ T7704] fib6_nh_init+0x3d8/0x15b0 [10819.095690][ T7704] ip6_route_info_create+0xf18/0x17d0 [10819.095690][ T7704] addrconf_f6i_alloc+0x315/0x560 [10819.095690][ T7704] ipv6_add_addr+0x411/0x2000 [10819.095690][ T7704] inet6_addr_add+0x30e/0xa40 [10819.095690][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10819.095690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10819.095690][ T7704] netlink_rcv_skb+0x130/0x360 [10819.095690][ T7704] netlink_unicast+0x449/0x710 [10819.095690][ T7704] netlink_sendmsg+0x723/0xbe0 [10819.095690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10819.095690][ T7704] ___sys_sendmsg+0xee/0x170 [10819.095690][ T7704] __sys_sendmsg+0xcd/0x170 [10819.095690][ T7704] do_syscall_64+0xc6/0x1e0 [10819.095690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10819.095690][ T7704] [10819.098048][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10819.098048][ T7704] netdev_get_by_index+0x5e/0x80 [10819.098048][ T7704] fib6_nh_init+0x3d8/0x15b0 [10819.098048][ T7704] ip6_route_info_create+0xf18/0x17d0 [10819.098048][ T7704] ip6_route_add+0x1c/0x140 [10819.098048][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10819.098048][ T7704] addrconf_add_dev+0xe2/0x170 [10819.098048][ T7704] inet6_addr_add+0x12f/0xa40 [10819.098048][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10819.098048][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10819.098048][ T7704] netlink_rcv_skb+0x130/0x360 [10819.098048][ T7704] netlink_unicast+0x449/0x710 [10819.098048][ T7704] netlink_sendmsg+0x723/0xbe0 [10819.098048][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10819.098048][ T7704] ___sys_sendmsg+0xee/0x170 [10819.098048][ T7704] __sys_sendmsg+0xcd/0x170 [10819.098048][ T7704] do_syscall_64+0xc6/0x1e0 [10819.098048][ T7704] [10819.100389][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10819.100389][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10819.100389][ T7704] ipv6_find_idev+0x102/0x170 [10819.100389][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10819.100389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10819.100389][ T7704] netlink_rcv_skb+0x130/0x360 [10819.100389][ T7704] netlink_unicast+0x449/0x710 [10819.100389][ T7704] netlink_sendmsg+0x723/0xbe0 [10819.100389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10819.100389][ T7704] ___sys_sendmsg+0xee/0x170 [10819.100389][ T7704] __sys_sendmsg+0xcd/0x170 [10819.100389][ T7704] do_syscall_64+0xc6/0x1e0 [10819.100389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10819.100389][ T7704] [10819.102247][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10819.102247][ T7704] neigh_parms_alloc+0x1e5/0x510 [10819.102247][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10819.102247][ T7704] ipv6_find_idev+0x102/0x170 [10819.102247][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10819.102247][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10819.102247][ T7704] netlink_rcv_skb+0x130/0x360 [10819.102247][ T7704] netlink_unicast+0x449/0x710 [10819.102247][ T7704] netlink_sendmsg+0x723/0xbe0 [10819.102247][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10819.102247][ T7704] ___sys_sendmsg+0xee/0x170 [10819.102247][ T7704] __sys_sendmsg+0xcd/0x170 [10819.102247][ T7704] do_syscall_64+0xc6/0x1e0 [10819.102247][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10819.102247][ T7704] [10829.132865][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10829.133547][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10829.133547][ T7704] netdev_get_by_index+0x5e/0x80 [10829.133547][ T7704] fib6_nh_init+0x3d8/0x15b0 [10829.133547][ T7704] ip6_route_info_create+0xf18/0x17d0 [10829.133547][ T7704] ip6_route_add+0x1c/0x140 [10829.133547][ T7704] addrconf_prefix_route+0x2a6/0x430 [10829.133547][ T7704] inet6_addr_add+0x4f8/0xa40 [10829.133547][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10829.133547][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10829.133547][ T7704] netlink_rcv_skb+0x130/0x360 [10829.133547][ T7704] netlink_unicast+0x449/0x710 [10829.133547][ T7704] netlink_sendmsg+0x723/0xbe0 [10829.133547][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10829.133547][ T7704] ___sys_sendmsg+0xee/0x170 [10829.133547][ T7704] __sys_sendmsg+0xcd/0x170 [10829.133547][ T7704] do_syscall_64+0xc6/0x1e0 [10829.133547][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10829.133547][ T7704] [10829.137303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10829.137303][ T7704] netdev_get_by_index+0x5e/0x80 [10829.137303][ T7704] fib6_nh_init+0x3d8/0x15b0 [10829.137303][ T7704] ip6_route_info_create+0xf18/0x17d0 [10829.137303][ T7704] addrconf_f6i_alloc+0x315/0x560 [10829.137303][ T7704] ipv6_add_addr+0x411/0x2000 [10829.137303][ T7704] inet6_addr_add+0x30e/0xa40 [10829.137303][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10829.137303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10829.137303][ T7704] netlink_rcv_skb+0x130/0x360 [10829.137303][ T7704] netlink_unicast+0x449/0x710 [10829.137303][ T7704] netlink_sendmsg+0x723/0xbe0 [10829.137303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10829.137303][ T7704] ___sys_sendmsg+0xee/0x170 [10829.137303][ T7704] __sys_sendmsg+0xcd/0x170 [10829.137303][ T7704] do_syscall_64+0xc6/0x1e0 [10829.137303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10829.137303][ T7704] [10829.140905][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10829.140905][ T7704] netdev_get_by_index+0x5e/0x80 [10829.140905][ T7704] fib6_nh_init+0x3d8/0x15b0 [10829.140905][ T7704] ip6_route_info_create+0xf18/0x17d0 [10829.140905][ T7704] ip6_route_add+0x1c/0x140 [10829.140905][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10829.140905][ T7704] addrconf_add_dev+0xe2/0x170 [10829.140905][ T7704] inet6_addr_add+0x12f/0xa40 [10829.140905][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10829.140905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10829.140905][ T7704] netlink_rcv_skb+0x130/0x360 [10829.140905][ T7704] netlink_unicast+0x449/0x710 [10829.140905][ T7704] netlink_sendmsg+0x723/0xbe0 [10829.140905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10829.140905][ T7704] ___sys_sendmsg+0xee/0x170 [10829.140905][ T7704] __sys_sendmsg+0xcd/0x170 [10829.140905][ T7704] do_syscall_64+0xc6/0x1e0 [10829.140905][ T7704] [10829.144441][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10829.144441][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10829.144441][ T7704] ipv6_find_idev+0x102/0x170 [10829.144441][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10829.144441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10829.144441][ T7704] netlink_rcv_skb+0x130/0x360 [10829.144441][ T7704] netlink_unicast+0x449/0x710 [10829.144441][ T7704] netlink_sendmsg+0x723/0xbe0 [10829.144441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10829.144441][ T7704] ___sys_sendmsg+0xee/0x170 [10829.144441][ T7704] __sys_sendmsg+0xcd/0x170 [10829.144441][ T7704] do_syscall_64+0xc6/0x1e0 [10829.144441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10829.144441][ T7704] [10829.147232][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10829.147232][ T7704] neigh_parms_alloc+0x1e5/0x510 [10829.147232][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10829.147232][ T7704] ipv6_find_idev+0x102/0x170 [10829.147232][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10829.147232][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10829.147232][ T7704] netlink_rcv_skb+0x130/0x360 [10829.147232][ T7704] netlink_unicast+0x449/0x710 [10829.147232][ T7704] netlink_sendmsg+0x723/0xbe0 [10829.147232][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10829.147232][ T7704] ___sys_sendmsg+0xee/0x170 [10829.147232][ T7704] __sys_sendmsg+0xcd/0x170 [10829.147232][ T7704] do_syscall_64+0xc6/0x1e0 [10829.147232][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10829.147232][ T7704] [10839.396822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10839.397291][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10839.397291][ T7704] netdev_get_by_index+0x5e/0x80 [10839.397291][ T7704] fib6_nh_init+0x3d8/0x15b0 [10839.397291][ T7704] ip6_route_info_create+0xf18/0x17d0 [10839.397291][ T7704] ip6_route_add+0x1c/0x140 [10839.397291][ T7704] addrconf_prefix_route+0x2a6/0x430 [10839.397291][ T7704] inet6_addr_add+0x4f8/0xa40 [10839.397291][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10839.397291][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10839.397291][ T7704] netlink_rcv_skb+0x130/0x360 [10839.397291][ T7704] netlink_unicast+0x449/0x710 [10839.397291][ T7704] netlink_sendmsg+0x723/0xbe0 [10839.397291][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10839.397291][ T7704] ___sys_sendmsg+0xee/0x170 [10839.397291][ T7704] __sys_sendmsg+0xcd/0x170 [10839.397291][ T7704] do_syscall_64+0xc6/0x1e0 [10839.397291][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10839.397291][ T7704] [10839.399594][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10839.399594][ T7704] netdev_get_by_index+0x5e/0x80 [10839.399594][ T7704] fib6_nh_init+0x3d8/0x15b0 [10839.399594][ T7704] ip6_route_info_create+0xf18/0x17d0 [10839.399594][ T7704] addrconf_f6i_alloc+0x315/0x560 [10839.399594][ T7704] ipv6_add_addr+0x411/0x2000 [10839.399594][ T7704] inet6_addr_add+0x30e/0xa40 [10839.399594][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10839.399594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10839.399594][ T7704] netlink_rcv_skb+0x130/0x360 [10839.399594][ T7704] netlink_unicast+0x449/0x710 [10839.399594][ T7704] netlink_sendmsg+0x723/0xbe0 [10839.399594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10839.399594][ T7704] ___sys_sendmsg+0xee/0x170 [10839.399594][ T7704] __sys_sendmsg+0xcd/0x170 [10839.399594][ T7704] do_syscall_64+0xc6/0x1e0 [10839.399594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10839.399594][ T7704] [10839.401856][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10839.401856][ T7704] netdev_get_by_index+0x5e/0x80 [10839.401856][ T7704] fib6_nh_init+0x3d8/0x15b0 [10839.401856][ T7704] ip6_route_info_create+0xf18/0x17d0 [10839.401856][ T7704] ip6_route_add+0x1c/0x140 [10839.401856][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10839.401856][ T7704] addrconf_add_dev+0xe2/0x170 [10839.401856][ T7704] inet6_addr_add+0x12f/0xa40 [10839.401856][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10839.401856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10839.401856][ T7704] netlink_rcv_skb+0x130/0x360 [10839.401856][ T7704] netlink_unicast+0x449/0x710 [10839.401856][ T7704] netlink_sendmsg+0x723/0xbe0 [10839.401856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10839.401856][ T7704] ___sys_sendmsg+0xee/0x170 [10839.401856][ T7704] __sys_sendmsg+0xcd/0x170 [10839.401856][ T7704] do_syscall_64+0xc6/0x1e0 [10839.401856][ T7704] [10839.404060][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10839.404060][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10839.404060][ T7704] ipv6_find_idev+0x102/0x170 [10839.404060][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10839.404060][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10839.404060][ T7704] netlink_rcv_skb+0x130/0x360 [10839.404060][ T7704] netlink_unicast+0x449/0x710 [10839.404060][ T7704] netlink_sendmsg+0x723/0xbe0 [10839.404060][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10839.404060][ T7704] ___sys_sendmsg+0xee/0x170 [10839.404060][ T7704] __sys_sendmsg+0xcd/0x170 [10839.404060][ T7704] do_syscall_64+0xc6/0x1e0 [10839.404060][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10839.404060][ T7704] [10839.405792][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10839.405792][ T7704] neigh_parms_alloc+0x1e5/0x510 [10839.405792][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10839.405792][ T7704] ipv6_find_idev+0x102/0x170 [10839.405792][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10839.405792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10839.405792][ T7704] netlink_rcv_skb+0x130/0x360 [10839.405792][ T7704] netlink_unicast+0x449/0x710 [10839.405792][ T7704] netlink_sendmsg+0x723/0xbe0 [10839.405792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10839.405792][ T7704] ___sys_sendmsg+0xee/0x170 [10839.405792][ T7704] __sys_sendmsg+0xcd/0x170 [10839.405792][ T7704] do_syscall_64+0xc6/0x1e0 [10839.405792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10839.405792][ T7704] [10849.492839][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10849.493303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10849.493303][ T7704] netdev_get_by_index+0x5e/0x80 [10849.493303][ T7704] fib6_nh_init+0x3d8/0x15b0 [10849.493303][ T7704] ip6_route_info_create+0xf18/0x17d0 [10849.493303][ T7704] ip6_route_add+0x1c/0x140 [10849.493303][ T7704] addrconf_prefix_route+0x2a6/0x430 [10849.493303][ T7704] inet6_addr_add+0x4f8/0xa40 [10849.493303][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10849.493303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10849.493303][ T7704] netlink_rcv_skb+0x130/0x360 [10849.493303][ T7704] netlink_unicast+0x449/0x710 [10849.493303][ T7704] netlink_sendmsg+0x723/0xbe0 [10849.493303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10849.493303][ T7704] ___sys_sendmsg+0xee/0x170 [10849.493303][ T7704] __sys_sendmsg+0xcd/0x170 [10849.493303][ T7704] do_syscall_64+0xc6/0x1e0 [10849.493303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10849.493303][ T7704] [10849.495563][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10849.495563][ T7704] netdev_get_by_index+0x5e/0x80 [10849.495563][ T7704] fib6_nh_init+0x3d8/0x15b0 [10849.495563][ T7704] ip6_route_info_create+0xf18/0x17d0 [10849.495563][ T7704] addrconf_f6i_alloc+0x315/0x560 [10849.495563][ T7704] ipv6_add_addr+0x411/0x2000 [10849.495563][ T7704] inet6_addr_add+0x30e/0xa40 [10849.495563][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10849.495563][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10849.495563][ T7704] netlink_rcv_skb+0x130/0x360 [10849.495563][ T7704] netlink_unicast+0x449/0x710 [10849.495563][ T7704] netlink_sendmsg+0x723/0xbe0 [10849.495563][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10849.495563][ T7704] ___sys_sendmsg+0xee/0x170 [10849.495563][ T7704] __sys_sendmsg+0xcd/0x170 [10849.495563][ T7704] do_syscall_64+0xc6/0x1e0 [10849.495563][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10849.495563][ T7704] [10849.497800][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10849.497800][ T7704] netdev_get_by_index+0x5e/0x80 [10849.497800][ T7704] fib6_nh_init+0x3d8/0x15b0 [10849.497800][ T7704] ip6_route_info_create+0xf18/0x17d0 [10849.497800][ T7704] ip6_route_add+0x1c/0x140 [10849.497800][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10849.497800][ T7704] addrconf_add_dev+0xe2/0x170 [10849.497800][ T7704] inet6_addr_add+0x12f/0xa40 [10849.497800][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10849.497800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10849.497800][ T7704] netlink_rcv_skb+0x130/0x360 [10849.497800][ T7704] netlink_unicast+0x449/0x710 [10849.497800][ T7704] netlink_sendmsg+0x723/0xbe0 [10849.497800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10849.497800][ T7704] ___sys_sendmsg+0xee/0x170 [10849.497800][ T7704] __sys_sendmsg+0xcd/0x170 [10849.497800][ T7704] do_syscall_64+0xc6/0x1e0 [10849.497800][ T7704] [10849.500012][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10849.500012][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10849.500012][ T7704] ipv6_find_idev+0x102/0x170 [10849.500012][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10849.500012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10849.500012][ T7704] netlink_rcv_skb+0x130/0x360 [10849.500012][ T7704] netlink_unicast+0x449/0x710 [10849.500012][ T7704] netlink_sendmsg+0x723/0xbe0 [10849.500012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10849.500012][ T7704] ___sys_sendmsg+0xee/0x170 [10849.500012][ T7704] __sys_sendmsg+0xcd/0x170 [10849.500012][ T7704] do_syscall_64+0xc6/0x1e0 [10849.500012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10849.500012][ T7704] [10849.501836][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10849.501836][ T7704] neigh_parms_alloc+0x1e5/0x510 [10849.501836][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10849.501836][ T7704] ipv6_find_idev+0x102/0x170 [10849.501836][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10849.501836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10849.501836][ T7704] netlink_rcv_skb+0x130/0x360 [10849.501836][ T7704] netlink_unicast+0x449/0x710 [10849.501836][ T7704] netlink_sendmsg+0x723/0xbe0 [10849.501836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10849.501836][ T7704] ___sys_sendmsg+0xee/0x170 [10849.501836][ T7704] __sys_sendmsg+0xcd/0x170 [10849.501836][ T7704] do_syscall_64+0xc6/0x1e0 [10849.501836][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10849.501836][ T7704] [10859.836868][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10859.837334][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10859.837334][ T7704] netdev_get_by_index+0x5e/0x80 [10859.837334][ T7704] fib6_nh_init+0x3d8/0x15b0 [10859.837334][ T7704] ip6_route_info_create+0xf18/0x17d0 [10859.837334][ T7704] ip6_route_add+0x1c/0x140 [10859.837334][ T7704] addrconf_prefix_route+0x2a6/0x430 [10859.837334][ T7704] inet6_addr_add+0x4f8/0xa40 [10859.837334][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10859.837334][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10859.837334][ T7704] netlink_rcv_skb+0x130/0x360 [10859.837334][ T7704] netlink_unicast+0x449/0x710 [10859.837334][ T7704] netlink_sendmsg+0x723/0xbe0 [10859.837334][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10859.837334][ T7704] ___sys_sendmsg+0xee/0x170 [10859.837334][ T7704] __sys_sendmsg+0xcd/0x170 [10859.837334][ T7704] do_syscall_64+0xc6/0x1e0 [10859.837334][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10859.837334][ T7704] [10859.839642][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10859.839642][ T7704] netdev_get_by_index+0x5e/0x80 [10859.839642][ T7704] fib6_nh_init+0x3d8/0x15b0 [10859.839642][ T7704] ip6_route_info_create+0xf18/0x17d0 [10859.839642][ T7704] addrconf_f6i_alloc+0x315/0x560 [10859.839642][ T7704] ipv6_add_addr+0x411/0x2000 [10859.839642][ T7704] inet6_addr_add+0x30e/0xa40 [10859.839642][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10859.839642][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10859.839642][ T7704] netlink_rcv_skb+0x130/0x360 [10859.839642][ T7704] netlink_unicast+0x449/0x710 [10859.839642][ T7704] netlink_sendmsg+0x723/0xbe0 [10859.839642][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10859.839642][ T7704] ___sys_sendmsg+0xee/0x170 [10859.839642][ T7704] __sys_sendmsg+0xcd/0x170 [10859.839642][ T7704] do_syscall_64+0xc6/0x1e0 [10859.839642][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10859.839642][ T7704] [10859.841911][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10859.841911][ T7704] netdev_get_by_index+0x5e/0x80 [10859.841911][ T7704] fib6_nh_init+0x3d8/0x15b0 [10859.841911][ T7704] ip6_route_info_create+0xf18/0x17d0 [10859.841911][ T7704] ip6_route_add+0x1c/0x140 [10859.841911][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10859.841911][ T7704] addrconf_add_dev+0xe2/0x170 [10859.841911][ T7704] inet6_addr_add+0x12f/0xa40 [10859.841911][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10859.841911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10859.841911][ T7704] netlink_rcv_skb+0x130/0x360 [10859.841911][ T7704] netlink_unicast+0x449/0x710 [10859.841911][ T7704] netlink_sendmsg+0x723/0xbe0 [10859.841911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10859.841911][ T7704] ___sys_sendmsg+0xee/0x170 [10859.841911][ T7704] __sys_sendmsg+0xcd/0x170 [10859.841911][ T7704] do_syscall_64+0xc6/0x1e0 [10859.841911][ T7704] [10859.844109][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10859.844109][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10859.844109][ T7704] ipv6_find_idev+0x102/0x170 [10859.844109][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10859.844109][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10859.844109][ T7704] netlink_rcv_skb+0x130/0x360 [10859.844109][ T7704] netlink_unicast+0x449/0x710 [10859.844109][ T7704] netlink_sendmsg+0x723/0xbe0 [10859.844109][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10859.844109][ T7704] ___sys_sendmsg+0xee/0x170 [10859.844109][ T7704] __sys_sendmsg+0xcd/0x170 [10859.844109][ T7704] do_syscall_64+0xc6/0x1e0 [10859.844109][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10859.844109][ T7704] [10859.845843][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10859.845843][ T7704] neigh_parms_alloc+0x1e5/0x510 [10859.845843][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10859.845843][ T7704] ipv6_find_idev+0x102/0x170 [10859.845843][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10859.845843][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10859.845843][ T7704] netlink_rcv_skb+0x130/0x360 [10859.845843][ T7704] netlink_unicast+0x449/0x710 [10859.845843][ T7704] netlink_sendmsg+0x723/0xbe0 [10859.845843][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10859.845843][ T7704] ___sys_sendmsg+0xee/0x170 [10859.845843][ T7704] __sys_sendmsg+0xcd/0x170 [10859.845843][ T7704] do_syscall_64+0xc6/0x1e0 [10859.845843][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10859.845843][ T7704] [10870.092824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10870.093342][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10870.093342][ T7704] netdev_get_by_index+0x5e/0x80 [10870.093342][ T7704] fib6_nh_init+0x3d8/0x15b0 [10870.093342][ T7704] ip6_route_info_create+0xf18/0x17d0 [10870.093342][ T7704] ip6_route_add+0x1c/0x140 [10870.093342][ T7704] addrconf_prefix_route+0x2a6/0x430 [10870.093342][ T7704] inet6_addr_add+0x4f8/0xa40 [10870.093342][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10870.093342][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10870.093342][ T7704] netlink_rcv_skb+0x130/0x360 [10870.093342][ T7704] netlink_unicast+0x449/0x710 [10870.093342][ T7704] netlink_sendmsg+0x723/0xbe0 [10870.093342][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10870.093342][ T7704] ___sys_sendmsg+0xee/0x170 [10870.093342][ T7704] __sys_sendmsg+0xcd/0x170 [10870.093342][ T7704] do_syscall_64+0xc6/0x1e0 [10870.093342][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10870.093342][ T7704] [10870.095594][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10870.095594][ T7704] netdev_get_by_index+0x5e/0x80 [10870.095594][ T7704] fib6_nh_init+0x3d8/0x15b0 [10870.095594][ T7704] ip6_route_info_create+0xf18/0x17d0 [10870.095594][ T7704] addrconf_f6i_alloc+0x315/0x560 [10870.095594][ T7704] ipv6_add_addr+0x411/0x2000 [10870.095594][ T7704] inet6_addr_add+0x30e/0xa40 [10870.095594][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10870.095594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10870.095594][ T7704] netlink_rcv_skb+0x130/0x360 [10870.095594][ T7704] netlink_unicast+0x449/0x710 [10870.095594][ T7704] netlink_sendmsg+0x723/0xbe0 [10870.095594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10870.095594][ T7704] ___sys_sendmsg+0xee/0x170 [10870.095594][ T7704] __sys_sendmsg+0xcd/0x170 [10870.095594][ T7704] do_syscall_64+0xc6/0x1e0 [10870.095594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10870.095594][ T7704] [10870.097814][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10870.097814][ T7704] netdev_get_by_index+0x5e/0x80 [10870.097814][ T7704] fib6_nh_init+0x3d8/0x15b0 [10870.097814][ T7704] ip6_route_info_create+0xf18/0x17d0 [10870.097814][ T7704] ip6_route_add+0x1c/0x140 [10870.097814][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10870.097814][ T7704] addrconf_add_dev+0xe2/0x170 [10870.097814][ T7704] inet6_addr_add+0x12f/0xa40 [10870.097814][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10870.097814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10870.097814][ T7704] netlink_rcv_skb+0x130/0x360 [10870.097814][ T7704] netlink_unicast+0x449/0x710 [10870.097814][ T7704] netlink_sendmsg+0x723/0xbe0 [10870.097814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10870.097814][ T7704] ___sys_sendmsg+0xee/0x170 [10870.097814][ T7704] __sys_sendmsg+0xcd/0x170 [10870.097814][ T7704] do_syscall_64+0xc6/0x1e0 [10870.097814][ T7704] [10870.100081][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10870.100081][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10870.100081][ T7704] ipv6_find_idev+0x102/0x170 [10870.100081][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10870.100081][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10870.100081][ T7704] netlink_rcv_skb+0x130/0x360 [10870.100081][ T7704] netlink_unicast+0x449/0x710 [10870.100081][ T7704] netlink_sendmsg+0x723/0xbe0 [10870.100081][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10870.100081][ T7704] ___sys_sendmsg+0xee/0x170 [10870.100081][ T7704] __sys_sendmsg+0xcd/0x170 [10870.100081][ T7704] do_syscall_64+0xc6/0x1e0 [10870.100081][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10870.100081][ T7704] [10870.102012][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10870.102012][ T7704] neigh_parms_alloc+0x1e5/0x510 [10870.102012][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10870.102012][ T7704] ipv6_find_idev+0x102/0x170 [10870.102012][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10870.102012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10870.102012][ T7704] netlink_rcv_skb+0x130/0x360 [10870.102012][ T7704] netlink_unicast+0x449/0x710 [10870.102012][ T7704] netlink_sendmsg+0x723/0xbe0 [10870.102012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10870.102012][ T7704] ___sys_sendmsg+0xee/0x170 [10870.102012][ T7704] __sys_sendmsg+0xcd/0x170 [10870.102012][ T7704] do_syscall_64+0xc6/0x1e0 [10870.102012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10870.102012][ T7704] [10880.260835][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10880.261310][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10880.261310][ T7704] netdev_get_by_index+0x5e/0x80 [10880.261310][ T7704] fib6_nh_init+0x3d8/0x15b0 [10880.261310][ T7704] ip6_route_info_create+0xf18/0x17d0 [10880.261310][ T7704] ip6_route_add+0x1c/0x140 [10880.261310][ T7704] addrconf_prefix_route+0x2a6/0x430 [10880.261310][ T7704] inet6_addr_add+0x4f8/0xa40 [10880.261310][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10880.261310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10880.261310][ T7704] netlink_rcv_skb+0x130/0x360 [10880.261310][ T7704] netlink_unicast+0x449/0x710 [10880.261310][ T7704] netlink_sendmsg+0x723/0xbe0 [10880.261310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10880.261310][ T7704] ___sys_sendmsg+0xee/0x170 [10880.261310][ T7704] __sys_sendmsg+0xcd/0x170 [10880.261310][ T7704] do_syscall_64+0xc6/0x1e0 [10880.261310][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10880.261310][ T7704] [10880.263592][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10880.263592][ T7704] netdev_get_by_index+0x5e/0x80 [10880.263592][ T7704] fib6_nh_init+0x3d8/0x15b0 [10880.263592][ T7704] ip6_route_info_create+0xf18/0x17d0 [10880.263592][ T7704] addrconf_f6i_alloc+0x315/0x560 [10880.263592][ T7704] ipv6_add_addr+0x411/0x2000 [10880.263592][ T7704] inet6_addr_add+0x30e/0xa40 [10880.263592][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10880.263592][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10880.263592][ T7704] netlink_rcv_skb+0x130/0x360 [10880.263592][ T7704] netlink_unicast+0x449/0x710 [10880.263592][ T7704] netlink_sendmsg+0x723/0xbe0 [10880.263592][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10880.263592][ T7704] ___sys_sendmsg+0xee/0x170 [10880.263592][ T7704] __sys_sendmsg+0xcd/0x170 [10880.263592][ T7704] do_syscall_64+0xc6/0x1e0 [10880.263592][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10880.263592][ T7704] [10880.265931][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10880.265931][ T7704] netdev_get_by_index+0x5e/0x80 [10880.265931][ T7704] fib6_nh_init+0x3d8/0x15b0 [10880.265931][ T7704] ip6_route_info_create+0xf18/0x17d0 [10880.265931][ T7704] ip6_route_add+0x1c/0x140 [10880.265931][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10880.265931][ T7704] addrconf_add_dev+0xe2/0x170 [10880.265931][ T7704] inet6_addr_add+0x12f/0xa40 [10880.265931][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10880.265931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10880.265931][ T7704] netlink_rcv_skb+0x130/0x360 [10880.265931][ T7704] netlink_unicast+0x449/0x710 [10880.265931][ T7704] netlink_sendmsg+0x723/0xbe0 [10880.265931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10880.265931][ T7704] ___sys_sendmsg+0xee/0x170 [10880.265931][ T7704] __sys_sendmsg+0xcd/0x170 [10880.265931][ T7704] do_syscall_64+0xc6/0x1e0 [10880.265931][ T7704] [10880.268232][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10880.268232][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10880.268232][ T7704] ipv6_find_idev+0x102/0x170 [10880.268232][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10880.268232][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10880.268232][ T7704] netlink_rcv_skb+0x130/0x360 [10880.268232][ T7704] netlink_unicast+0x449/0x710 [10880.268232][ T7704] netlink_sendmsg+0x723/0xbe0 [10880.268232][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10880.268232][ T7704] ___sys_sendmsg+0xee/0x170 [10880.268232][ T7704] __sys_sendmsg+0xcd/0x170 [10880.268232][ T7704] do_syscall_64+0xc6/0x1e0 [10880.268232][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10880.268232][ T7704] [10880.270112][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10880.270112][ T7704] neigh_parms_alloc+0x1e5/0x510 [10880.270112][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10880.270112][ T7704] ipv6_find_idev+0x102/0x170 [10880.270112][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10880.270112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10880.270112][ T7704] netlink_rcv_skb+0x130/0x360 [10880.270112][ T7704] netlink_unicast+0x449/0x710 [10880.270112][ T7704] netlink_sendmsg+0x723/0xbe0 [10880.270112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10880.270112][ T7704] ___sys_sendmsg+0xee/0x170 [10880.270112][ T7704] __sys_sendmsg+0xcd/0x170 [10880.270112][ T7704] do_syscall_64+0xc6/0x1e0 [10880.270112][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10880.270112][ T7704] [10890.340775][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10890.341262][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10890.341262][ T7704] netdev_get_by_index+0x5e/0x80 [10890.341262][ T7704] fib6_nh_init+0x3d8/0x15b0 [10890.341262][ T7704] ip6_route_info_create+0xf18/0x17d0 [10890.341262][ T7704] ip6_route_add+0x1c/0x140 [10890.341262][ T7704] addrconf_prefix_route+0x2a6/0x430 [10890.341262][ T7704] inet6_addr_add+0x4f8/0xa40 [10890.341262][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10890.341262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10890.341262][ T7704] netlink_rcv_skb+0x130/0x360 [10890.341262][ T7704] netlink_unicast+0x449/0x710 [10890.341262][ T7704] netlink_sendmsg+0x723/0xbe0 [10890.341262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10890.341262][ T7704] ___sys_sendmsg+0xee/0x170 [10890.341262][ T7704] __sys_sendmsg+0xcd/0x170 [10890.341262][ T7704] do_syscall_64+0xc6/0x1e0 [10890.341262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10890.341262][ T7704] [10890.343706][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10890.343706][ T7704] netdev_get_by_index+0x5e/0x80 [10890.343706][ T7704] fib6_nh_init+0x3d8/0x15b0 [10890.343706][ T7704] ip6_route_info_create+0xf18/0x17d0 [10890.343706][ T7704] addrconf_f6i_alloc+0x315/0x560 [10890.343706][ T7704] ipv6_add_addr+0x411/0x2000 [10890.343706][ T7704] inet6_addr_add+0x30e/0xa40 [10890.343706][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10890.343706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10890.343706][ T7704] netlink_rcv_skb+0x130/0x360 [10890.343706][ T7704] netlink_unicast+0x449/0x710 [10890.343706][ T7704] netlink_sendmsg+0x723/0xbe0 [10890.343706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10890.343706][ T7704] ___sys_sendmsg+0xee/0x170 [10890.343706][ T7704] __sys_sendmsg+0xcd/0x170 [10890.343706][ T7704] do_syscall_64+0xc6/0x1e0 [10890.343706][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10890.343706][ T7704] [10890.345964][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10890.345964][ T7704] netdev_get_by_index+0x5e/0x80 [10890.345964][ T7704] fib6_nh_init+0x3d8/0x15b0 [10890.345964][ T7704] ip6_route_info_create+0xf18/0x17d0 [10890.345964][ T7704] ip6_route_add+0x1c/0x140 [10890.345964][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10890.345964][ T7704] addrconf_add_dev+0xe2/0x170 [10890.345964][ T7704] inet6_addr_add+0x12f/0xa40 [10890.345964][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10890.345964][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10890.345964][ T7704] netlink_rcv_skb+0x130/0x360 [10890.345964][ T7704] netlink_unicast+0x449/0x710 [10890.345964][ T7704] netlink_sendmsg+0x723/0xbe0 [10890.345964][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10890.345964][ T7704] ___sys_sendmsg+0xee/0x170 [10890.345964][ T7704] __sys_sendmsg+0xcd/0x170 [10890.345964][ T7704] do_syscall_64+0xc6/0x1e0 [10890.345964][ T7704] [10890.348209][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10890.348209][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10890.348209][ T7704] ipv6_find_idev+0x102/0x170 [10890.348209][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10890.348209][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10890.348209][ T7704] netlink_rcv_skb+0x130/0x360 [10890.348209][ T7704] netlink_unicast+0x449/0x710 [10890.348209][ T7704] netlink_sendmsg+0x723/0xbe0 [10890.348209][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10890.348209][ T7704] ___sys_sendmsg+0xee/0x170 [10890.348209][ T7704] __sys_sendmsg+0xcd/0x170 [10890.348209][ T7704] do_syscall_64+0xc6/0x1e0 [10890.348209][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10890.348209][ T7704] [10890.350027][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10890.350027][ T7704] neigh_parms_alloc+0x1e5/0x510 [10890.350027][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10890.350027][ T7704] ipv6_find_idev+0x102/0x170 [10890.350027][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10890.350027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10890.350027][ T7704] netlink_rcv_skb+0x130/0x360 [10890.350027][ T7704] netlink_unicast+0x449/0x710 [10890.350027][ T7704] netlink_sendmsg+0x723/0xbe0 [10890.350027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10890.350027][ T7704] ___sys_sendmsg+0xee/0x170 [10890.350027][ T7704] __sys_sendmsg+0xcd/0x170 [10890.350027][ T7704] do_syscall_64+0xc6/0x1e0 [10890.350027][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10890.350027][ T7704] [10900.444844][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10900.445361][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10900.445361][ T7704] netdev_get_by_index+0x5e/0x80 [10900.445361][ T7704] fib6_nh_init+0x3d8/0x15b0 [10900.445361][ T7704] ip6_route_info_create+0xf18/0x17d0 [10900.445361][ T7704] ip6_route_add+0x1c/0x140 [10900.445361][ T7704] addrconf_prefix_route+0x2a6/0x430 [10900.445361][ T7704] inet6_addr_add+0x4f8/0xa40 [10900.445361][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10900.445361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10900.445361][ T7704] netlink_rcv_skb+0x130/0x360 [10900.445361][ T7704] netlink_unicast+0x449/0x710 [10900.445361][ T7704] netlink_sendmsg+0x723/0xbe0 [10900.445361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10900.445361][ T7704] ___sys_sendmsg+0xee/0x170 [10900.445361][ T7704] __sys_sendmsg+0xcd/0x170 [10900.445361][ T7704] do_syscall_64+0xc6/0x1e0 [10900.445361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10900.445361][ T7704] [10900.448002][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10900.448002][ T7704] netdev_get_by_index+0x5e/0x80 [10900.448002][ T7704] fib6_nh_init+0x3d8/0x15b0 [10900.448002][ T7704] ip6_route_info_create+0xf18/0x17d0 [10900.448002][ T7704] addrconf_f6i_alloc+0x315/0x560 [10900.448002][ T7704] ipv6_add_addr+0x411/0x2000 [10900.448002][ T7704] inet6_addr_add+0x30e/0xa40 [10900.448002][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10900.448002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10900.448002][ T7704] netlink_rcv_skb+0x130/0x360 [10900.448002][ T7704] netlink_unicast+0x449/0x710 [10900.448002][ T7704] netlink_sendmsg+0x723/0xbe0 [10900.448002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10900.448002][ T7704] ___sys_sendmsg+0xee/0x170 [10900.448002][ T7704] __sys_sendmsg+0xcd/0x170 [10900.448002][ T7704] do_syscall_64+0xc6/0x1e0 [10900.448002][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10900.448002][ T7704] [10900.450476][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10900.450476][ T7704] netdev_get_by_index+0x5e/0x80 [10900.450476][ T7704] fib6_nh_init+0x3d8/0x15b0 [10900.450476][ T7704] ip6_route_info_create+0xf18/0x17d0 [10900.450476][ T7704] ip6_route_add+0x1c/0x140 [10900.450476][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10900.450476][ T7704] addrconf_add_dev+0xe2/0x170 [10900.450476][ T7704] inet6_addr_add+0x12f/0xa40 [10900.450476][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10900.450476][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10900.450476][ T7704] netlink_rcv_skb+0x130/0x360 [10900.450476][ T7704] netlink_unicast+0x449/0x710 [10900.450476][ T7704] netlink_sendmsg+0x723/0xbe0 [10900.450476][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10900.450476][ T7704] ___sys_sendmsg+0xee/0x170 [10900.450476][ T7704] __sys_sendmsg+0xcd/0x170 [10900.450476][ T7704] do_syscall_64+0xc6/0x1e0 [10900.450476][ T7704] [10900.452957][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10900.452957][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10900.452957][ T7704] ipv6_find_idev+0x102/0x170 [10900.452957][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10900.452957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10900.452957][ T7704] netlink_rcv_skb+0x130/0x360 [10900.452957][ T7704] netlink_unicast+0x449/0x710 [10900.452957][ T7704] netlink_sendmsg+0x723/0xbe0 [10900.452957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10900.452957][ T7704] ___sys_sendmsg+0xee/0x170 [10900.452957][ T7704] __sys_sendmsg+0xcd/0x170 [10900.452957][ T7704] do_syscall_64+0xc6/0x1e0 [10900.452957][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10900.452957][ T7704] [10900.454928][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10900.454928][ T7704] neigh_parms_alloc+0x1e5/0x510 [10900.454928][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10900.454928][ T7704] ipv6_find_idev+0x102/0x170 [10900.454928][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10900.454928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10900.454928][ T7704] netlink_rcv_skb+0x130/0x360 [10900.454928][ T7704] netlink_unicast+0x449/0x710 [10900.454928][ T7704] netlink_sendmsg+0x723/0xbe0 [10900.454928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10900.454928][ T7704] ___sys_sendmsg+0xee/0x170 [10900.454928][ T7704] __sys_sendmsg+0xcd/0x170 [10900.454928][ T7704] do_syscall_64+0xc6/0x1e0 [10900.454928][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10900.454928][ T7704] [10910.692811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10910.693485][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10910.693485][ T7704] netdev_get_by_index+0x5e/0x80 [10910.693485][ T7704] fib6_nh_init+0x3d8/0x15b0 [10910.693485][ T7704] ip6_route_info_create+0xf18/0x17d0 [10910.693485][ T7704] ip6_route_add+0x1c/0x140 [10910.693485][ T7704] addrconf_prefix_route+0x2a6/0x430 [10910.693485][ T7704] inet6_addr_add+0x4f8/0xa40 [10910.693485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10910.693485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10910.693485][ T7704] netlink_rcv_skb+0x130/0x360 [10910.693485][ T7704] netlink_unicast+0x449/0x710 [10910.693485][ T7704] netlink_sendmsg+0x723/0xbe0 [10910.693485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10910.693485][ T7704] ___sys_sendmsg+0xee/0x170 [10910.693485][ T7704] __sys_sendmsg+0xcd/0x170 [10910.693485][ T7704] do_syscall_64+0xc6/0x1e0 [10910.693485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10910.693485][ T7704] [10910.697160][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10910.697160][ T7704] netdev_get_by_index+0x5e/0x80 [10910.697160][ T7704] fib6_nh_init+0x3d8/0x15b0 [10910.697160][ T7704] ip6_route_info_create+0xf18/0x17d0 [10910.697160][ T7704] addrconf_f6i_alloc+0x315/0x560 [10910.697160][ T7704] ipv6_add_addr+0x411/0x2000 [10910.697160][ T7704] inet6_addr_add+0x30e/0xa40 [10910.697160][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10910.697160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10910.697160][ T7704] netlink_rcv_skb+0x130/0x360 [10910.697160][ T7704] netlink_unicast+0x449/0x710 [10910.697160][ T7704] netlink_sendmsg+0x723/0xbe0 [10910.697160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10910.697160][ T7704] ___sys_sendmsg+0xee/0x170 [10910.697160][ T7704] __sys_sendmsg+0xcd/0x170 [10910.697160][ T7704] do_syscall_64+0xc6/0x1e0 [10910.697160][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10910.697160][ T7704] [10910.700648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10910.700648][ T7704] netdev_get_by_index+0x5e/0x80 [10910.700648][ T7704] fib6_nh_init+0x3d8/0x15b0 [10910.700648][ T7704] ip6_route_info_create+0xf18/0x17d0 [10910.700648][ T7704] ip6_route_add+0x1c/0x140 [10910.700648][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10910.700648][ T7704] addrconf_add_dev+0xe2/0x170 [10910.700648][ T7704] inet6_addr_add+0x12f/0xa40 [10910.700648][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10910.700648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10910.700648][ T7704] netlink_rcv_skb+0x130/0x360 [10910.700648][ T7704] netlink_unicast+0x449/0x710 [10910.700648][ T7704] netlink_sendmsg+0x723/0xbe0 [10910.700648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10910.700648][ T7704] ___sys_sendmsg+0xee/0x170 [10910.700648][ T7704] __sys_sendmsg+0xcd/0x170 [10910.700648][ T7704] do_syscall_64+0xc6/0x1e0 [10910.700648][ T7704] [10910.703636][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10910.703636][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10910.703636][ T7704] ipv6_find_idev+0x102/0x170 [10910.703636][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10910.703636][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10910.703636][ T7704] netlink_rcv_skb+0x130/0x360 [10910.703636][ T7704] netlink_unicast+0x449/0x710 [10910.703636][ T7704] netlink_sendmsg+0x723/0xbe0 [10910.703636][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10910.703636][ T7704] ___sys_sendmsg+0xee/0x170 [10910.703636][ T7704] __sys_sendmsg+0xcd/0x170 [10910.703636][ T7704] do_syscall_64+0xc6/0x1e0 [10910.703636][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10910.703636][ T7704] [10910.706008][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10910.706008][ T7704] neigh_parms_alloc+0x1e5/0x510 [10910.706008][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10910.706008][ T7704] ipv6_find_idev+0x102/0x170 [10910.706008][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10910.706008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10910.706008][ T7704] netlink_rcv_skb+0x130/0x360 [10910.706008][ T7704] netlink_unicast+0x449/0x710 [10910.706008][ T7704] netlink_sendmsg+0x723/0xbe0 [10910.706008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10910.706008][ T7704] ___sys_sendmsg+0xee/0x170 [10910.706008][ T7704] __sys_sendmsg+0xcd/0x170 [10910.706008][ T7704] do_syscall_64+0xc6/0x1e0 [10910.706008][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10910.706008][ T7704] [10920.844900][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10920.845379][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10920.845379][ T7704] netdev_get_by_index+0x5e/0x80 [10920.845379][ T7704] fib6_nh_init+0x3d8/0x15b0 [10920.845379][ T7704] ip6_route_info_create+0xf18/0x17d0 [10920.845379][ T7704] ip6_route_add+0x1c/0x140 [10920.845379][ T7704] addrconf_prefix_route+0x2a6/0x430 [10920.845379][ T7704] inet6_addr_add+0x4f8/0xa40 [10920.845379][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10920.845379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10920.845379][ T7704] netlink_rcv_skb+0x130/0x360 [10920.845379][ T7704] netlink_unicast+0x449/0x710 [10920.845379][ T7704] netlink_sendmsg+0x723/0xbe0 [10920.845379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10920.845379][ T7704] ___sys_sendmsg+0xee/0x170 [10920.845379][ T7704] __sys_sendmsg+0xcd/0x170 [10920.845379][ T7704] do_syscall_64+0xc6/0x1e0 [10920.845379][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10920.845379][ T7704] [10920.847680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10920.847680][ T7704] netdev_get_by_index+0x5e/0x80 [10920.847680][ T7704] fib6_nh_init+0x3d8/0x15b0 [10920.847680][ T7704] ip6_route_info_create+0xf18/0x17d0 [10920.847680][ T7704] addrconf_f6i_alloc+0x315/0x560 [10920.847680][ T7704] ipv6_add_addr+0x411/0x2000 [10920.847680][ T7704] inet6_addr_add+0x30e/0xa40 [10920.847680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10920.847680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10920.847680][ T7704] netlink_rcv_skb+0x130/0x360 [10920.847680][ T7704] netlink_unicast+0x449/0x710 [10920.847680][ T7704] netlink_sendmsg+0x723/0xbe0 [10920.847680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10920.847680][ T7704] ___sys_sendmsg+0xee/0x170 [10920.847680][ T7704] __sys_sendmsg+0xcd/0x170 [10920.847680][ T7704] do_syscall_64+0xc6/0x1e0 [10920.847680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10920.847680][ T7704] [10920.849957][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10920.849957][ T7704] netdev_get_by_index+0x5e/0x80 [10920.849957][ T7704] fib6_nh_init+0x3d8/0x15b0 [10920.849957][ T7704] ip6_route_info_create+0xf18/0x17d0 [10920.849957][ T7704] ip6_route_add+0x1c/0x140 [10920.849957][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10920.849957][ T7704] addrconf_add_dev+0xe2/0x170 [10920.849957][ T7704] inet6_addr_add+0x12f/0xa40 [10920.849957][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10920.849957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10920.849957][ T7704] netlink_rcv_skb+0x130/0x360 [10920.849957][ T7704] netlink_unicast+0x449/0x710 [10920.849957][ T7704] netlink_sendmsg+0x723/0xbe0 [10920.849957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10920.849957][ T7704] ___sys_sendmsg+0xee/0x170 [10920.849957][ T7704] __sys_sendmsg+0xcd/0x170 [10920.849957][ T7704] do_syscall_64+0xc6/0x1e0 [10920.849957][ T7704] [10920.852224][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10920.852224][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10920.852224][ T7704] ipv6_find_idev+0x102/0x170 [10920.852224][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10920.852224][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10920.852224][ T7704] netlink_rcv_skb+0x130/0x360 [10920.852224][ T7704] netlink_unicast+0x449/0x710 [10920.852224][ T7704] netlink_sendmsg+0x723/0xbe0 [10920.852224][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10920.852224][ T7704] ___sys_sendmsg+0xee/0x170 [10920.852224][ T7704] __sys_sendmsg+0xcd/0x170 [10920.852224][ T7704] do_syscall_64+0xc6/0x1e0 [10920.852224][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10920.852224][ T7704] [10920.853992][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10920.853992][ T7704] neigh_parms_alloc+0x1e5/0x510 [10920.853992][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10920.853992][ T7704] ipv6_find_idev+0x102/0x170 [10920.853992][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10920.853992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10920.853992][ T7704] netlink_rcv_skb+0x130/0x360 [10920.853992][ T7704] netlink_unicast+0x449/0x710 [10920.853992][ T7704] netlink_sendmsg+0x723/0xbe0 [10920.853992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10920.853992][ T7704] ___sys_sendmsg+0xee/0x170 [10920.853992][ T7704] __sys_sendmsg+0xcd/0x170 [10920.853992][ T7704] do_syscall_64+0xc6/0x1e0 [10920.853992][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10920.853992][ T7704] [10930.892826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10930.893359][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10930.893359][ T7704] netdev_get_by_index+0x5e/0x80 [10930.893359][ T7704] fib6_nh_init+0x3d8/0x15b0 [10930.893359][ T7704] ip6_route_info_create+0xf18/0x17d0 [10930.893359][ T7704] ip6_route_add+0x1c/0x140 [10930.893359][ T7704] addrconf_prefix_route+0x2a6/0x430 [10930.893359][ T7704] inet6_addr_add+0x4f8/0xa40 [10930.893359][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10930.893359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10930.893359][ T7704] netlink_rcv_skb+0x130/0x360 [10930.893359][ T7704] netlink_unicast+0x449/0x710 [10930.893359][ T7704] netlink_sendmsg+0x723/0xbe0 [10930.893359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10930.893359][ T7704] ___sys_sendmsg+0xee/0x170 [10930.893359][ T7704] __sys_sendmsg+0xcd/0x170 [10930.893359][ T7704] do_syscall_64+0xc6/0x1e0 [10930.893359][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10930.893359][ T7704] [10930.895664][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10930.895664][ T7704] netdev_get_by_index+0x5e/0x80 [10930.895664][ T7704] fib6_nh_init+0x3d8/0x15b0 [10930.895664][ T7704] ip6_route_info_create+0xf18/0x17d0 [10930.895664][ T7704] addrconf_f6i_alloc+0x315/0x560 [10930.895664][ T7704] ipv6_add_addr+0x411/0x2000 [10930.895664][ T7704] inet6_addr_add+0x30e/0xa40 [10930.895664][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10930.895664][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10930.895664][ T7704] netlink_rcv_skb+0x130/0x360 [10930.895664][ T7704] netlink_unicast+0x449/0x710 [10930.895664][ T7704] netlink_sendmsg+0x723/0xbe0 [10930.895664][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10930.895664][ T7704] ___sys_sendmsg+0xee/0x170 [10930.895664][ T7704] __sys_sendmsg+0xcd/0x170 [10930.895664][ T7704] do_syscall_64+0xc6/0x1e0 [10930.895664][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10930.895664][ T7704] [10930.897959][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10930.897959][ T7704] netdev_get_by_index+0x5e/0x80 [10930.897959][ T7704] fib6_nh_init+0x3d8/0x15b0 [10930.897959][ T7704] ip6_route_info_create+0xf18/0x17d0 [10930.897959][ T7704] ip6_route_add+0x1c/0x140 [10930.897959][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10930.897959][ T7704] addrconf_add_dev+0xe2/0x170 [10930.897959][ T7704] inet6_addr_add+0x12f/0xa40 [10930.897959][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10930.897959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10930.897959][ T7704] netlink_rcv_skb+0x130/0x360 [10930.897959][ T7704] netlink_unicast+0x449/0x710 [10930.897959][ T7704] netlink_sendmsg+0x723/0xbe0 [10930.897959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10930.897959][ T7704] ___sys_sendmsg+0xee/0x170 [10930.897959][ T7704] __sys_sendmsg+0xcd/0x170 [10930.897959][ T7704] do_syscall_64+0xc6/0x1e0 [10930.897959][ T7704] [10930.900197][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10930.900197][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10930.900197][ T7704] ipv6_find_idev+0x102/0x170 [10930.900197][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10930.900197][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10930.900197][ T7704] netlink_rcv_skb+0x130/0x360 [10930.900197][ T7704] netlink_unicast+0x449/0x710 [10930.900197][ T7704] netlink_sendmsg+0x723/0xbe0 [10930.900197][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10930.900197][ T7704] ___sys_sendmsg+0xee/0x170 [10930.900197][ T7704] __sys_sendmsg+0xcd/0x170 [10930.900197][ T7704] do_syscall_64+0xc6/0x1e0 [10930.900197][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10930.900197][ T7704] [10930.901948][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10930.901948][ T7704] neigh_parms_alloc+0x1e5/0x510 [10930.901948][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10930.901948][ T7704] ipv6_find_idev+0x102/0x170 [10930.901948][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10930.901948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10930.901948][ T7704] netlink_rcv_skb+0x130/0x360 [10930.901948][ T7704] netlink_unicast+0x449/0x710 [10930.901948][ T7704] netlink_sendmsg+0x723/0xbe0 [10930.901948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10930.901948][ T7704] ___sys_sendmsg+0xee/0x170 [10930.901948][ T7704] __sys_sendmsg+0xcd/0x170 [10930.901948][ T7704] do_syscall_64+0xc6/0x1e0 [10930.901948][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10930.901948][ T7704] [10941.140798][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10941.141289][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10941.141289][ T7704] netdev_get_by_index+0x5e/0x80 [10941.141289][ T7704] fib6_nh_init+0x3d8/0x15b0 [10941.141289][ T7704] ip6_route_info_create+0xf18/0x17d0 [10941.141289][ T7704] ip6_route_add+0x1c/0x140 [10941.141289][ T7704] addrconf_prefix_route+0x2a6/0x430 [10941.141289][ T7704] inet6_addr_add+0x4f8/0xa40 [10941.141289][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10941.141289][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10941.141289][ T7704] netlink_rcv_skb+0x130/0x360 [10941.141289][ T7704] netlink_unicast+0x449/0x710 [10941.141289][ T7704] netlink_sendmsg+0x723/0xbe0 [10941.141289][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10941.141289][ T7704] ___sys_sendmsg+0xee/0x170 [10941.141289][ T7704] __sys_sendmsg+0xcd/0x170 [10941.141289][ T7704] do_syscall_64+0xc6/0x1e0 [10941.141289][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10941.141289][ T7704] [10941.143604][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10941.143604][ T7704] netdev_get_by_index+0x5e/0x80 [10941.143604][ T7704] fib6_nh_init+0x3d8/0x15b0 [10941.143604][ T7704] ip6_route_info_create+0xf18/0x17d0 [10941.143604][ T7704] addrconf_f6i_alloc+0x315/0x560 [10941.143604][ T7704] ipv6_add_addr+0x411/0x2000 [10941.143604][ T7704] inet6_addr_add+0x30e/0xa40 [10941.143604][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10941.143604][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10941.143604][ T7704] netlink_rcv_skb+0x130/0x360 [10941.143604][ T7704] netlink_unicast+0x449/0x710 [10941.143604][ T7704] netlink_sendmsg+0x723/0xbe0 [10941.143604][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10941.143604][ T7704] ___sys_sendmsg+0xee/0x170 [10941.143604][ T7704] __sys_sendmsg+0xcd/0x170 [10941.143604][ T7704] do_syscall_64+0xc6/0x1e0 [10941.143604][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10941.143604][ T7704] [10941.145873][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10941.145873][ T7704] netdev_get_by_index+0x5e/0x80 [10941.145873][ T7704] fib6_nh_init+0x3d8/0x15b0 [10941.145873][ T7704] ip6_route_info_create+0xf18/0x17d0 [10941.145873][ T7704] ip6_route_add+0x1c/0x140 [10941.145873][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10941.145873][ T7704] addrconf_add_dev+0xe2/0x170 [10941.145873][ T7704] inet6_addr_add+0x12f/0xa40 [10941.145873][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10941.145873][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10941.145873][ T7704] netlink_rcv_skb+0x130/0x360 [10941.145873][ T7704] netlink_unicast+0x449/0x710 [10941.145873][ T7704] netlink_sendmsg+0x723/0xbe0 [10941.145873][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10941.145873][ T7704] ___sys_sendmsg+0xee/0x170 [10941.145873][ T7704] __sys_sendmsg+0xcd/0x170 [10941.145873][ T7704] do_syscall_64+0xc6/0x1e0 [10941.145873][ T7704] [10941.148131][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10941.148131][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10941.148131][ T7704] ipv6_find_idev+0x102/0x170 [10941.148131][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10941.148131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10941.148131][ T7704] netlink_rcv_skb+0x130/0x360 [10941.148131][ T7704] netlink_unicast+0x449/0x710 [10941.148131][ T7704] netlink_sendmsg+0x723/0xbe0 [10941.148131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10941.148131][ T7704] ___sys_sendmsg+0xee/0x170 [10941.148131][ T7704] __sys_sendmsg+0xcd/0x170 [10941.148131][ T7704] do_syscall_64+0xc6/0x1e0 [10941.148131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10941.148131][ T7704] [10941.149886][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10941.149886][ T7704] neigh_parms_alloc+0x1e5/0x510 [10941.149886][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10941.149886][ T7704] ipv6_find_idev+0x102/0x170 [10941.149886][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10941.149886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10941.149886][ T7704] netlink_rcv_skb+0x130/0x360 [10941.149886][ T7704] netlink_unicast+0x449/0x710 [10941.149886][ T7704] netlink_sendmsg+0x723/0xbe0 [10941.149886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10941.149886][ T7704] ___sys_sendmsg+0xee/0x170 [10941.149886][ T7704] __sys_sendmsg+0xcd/0x170 [10941.149886][ T7704] do_syscall_64+0xc6/0x1e0 [10941.149886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10941.149886][ T7704] [10951.396856][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10951.397494][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10951.397494][ T7704] netdev_get_by_index+0x5e/0x80 [10951.397494][ T7704] fib6_nh_init+0x3d8/0x15b0 [10951.397494][ T7704] ip6_route_info_create+0xf18/0x17d0 [10951.397494][ T7704] ip6_route_add+0x1c/0x140 [10951.397494][ T7704] addrconf_prefix_route+0x2a6/0x430 [10951.397494][ T7704] inet6_addr_add+0x4f8/0xa40 [10951.397494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10951.397494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10951.397494][ T7704] netlink_rcv_skb+0x130/0x360 [10951.397494][ T7704] netlink_unicast+0x449/0x710 [10951.397494][ T7704] netlink_sendmsg+0x723/0xbe0 [10951.397494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10951.397494][ T7704] ___sys_sendmsg+0xee/0x170 [10951.397494][ T7704] __sys_sendmsg+0xcd/0x170 [10951.397494][ T7704] do_syscall_64+0xc6/0x1e0 [10951.397494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10951.397494][ T7704] [10951.401007][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10951.401007][ T7704] netdev_get_by_index+0x5e/0x80 [10951.401007][ T7704] fib6_nh_init+0x3d8/0x15b0 [10951.401007][ T7704] ip6_route_info_create+0xf18/0x17d0 [10951.401007][ T7704] addrconf_f6i_alloc+0x315/0x560 [10951.401007][ T7704] ipv6_add_addr+0x411/0x2000 [10951.401007][ T7704] inet6_addr_add+0x30e/0xa40 [10951.401007][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10951.401007][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10951.401007][ T7704] netlink_rcv_skb+0x130/0x360 [10951.401007][ T7704] netlink_unicast+0x449/0x710 [10951.401007][ T7704] netlink_sendmsg+0x723/0xbe0 [10951.401007][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10951.401007][ T7704] ___sys_sendmsg+0xee/0x170 [10951.401007][ T7704] __sys_sendmsg+0xcd/0x170 [10951.401007][ T7704] do_syscall_64+0xc6/0x1e0 [10951.401007][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10951.401007][ T7704] [10951.404718][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10951.404718][ T7704] netdev_get_by_index+0x5e/0x80 [10951.404718][ T7704] fib6_nh_init+0x3d8/0x15b0 [10951.404718][ T7704] ip6_route_info_create+0xf18/0x17d0 [10951.404718][ T7704] ip6_route_add+0x1c/0x140 [10951.404718][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10951.404718][ T7704] addrconf_add_dev+0xe2/0x170 [10951.404718][ T7704] inet6_addr_add+0x12f/0xa40 [10951.404718][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10951.404718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10951.404718][ T7704] netlink_rcv_skb+0x130/0x360 [10951.404718][ T7704] netlink_unicast+0x449/0x710 [10951.404718][ T7704] netlink_sendmsg+0x723/0xbe0 [10951.404718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10951.404718][ T7704] ___sys_sendmsg+0xee/0x170 [10951.404718][ T7704] __sys_sendmsg+0xcd/0x170 [10951.404718][ T7704] do_syscall_64+0xc6/0x1e0 [10951.404718][ T7704] [10951.408314][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10951.408314][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10951.408314][ T7704] ipv6_find_idev+0x102/0x170 [10951.408314][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10951.408314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10951.408314][ T7704] netlink_rcv_skb+0x130/0x360 [10951.408314][ T7704] netlink_unicast+0x449/0x710 [10951.408314][ T7704] netlink_sendmsg+0x723/0xbe0 [10951.408314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10951.408314][ T7704] ___sys_sendmsg+0xee/0x170 [10951.408314][ T7704] __sys_sendmsg+0xcd/0x170 [10951.408314][ T7704] do_syscall_64+0xc6/0x1e0 [10951.408314][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10951.408314][ T7704] [10951.411238][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10951.411238][ T7704] neigh_parms_alloc+0x1e5/0x510 [10951.411238][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10951.411238][ T7704] ipv6_find_idev+0x102/0x170 [10951.411238][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10951.411238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10951.411238][ T7704] netlink_rcv_skb+0x130/0x360 [10951.411238][ T7704] netlink_unicast+0x449/0x710 [10951.411238][ T7704] netlink_sendmsg+0x723/0xbe0 [10951.411238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10951.411238][ T7704] ___sys_sendmsg+0xee/0x170 [10951.411238][ T7704] __sys_sendmsg+0xcd/0x170 [10951.411238][ T7704] do_syscall_64+0xc6/0x1e0 [10951.411238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10951.411238][ T7704] [10961.652818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10961.653280][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10961.653280][ T7704] netdev_get_by_index+0x5e/0x80 [10961.653280][ T7704] fib6_nh_init+0x3d8/0x15b0 [10961.653280][ T7704] ip6_route_info_create+0xf18/0x17d0 [10961.653280][ T7704] ip6_route_add+0x1c/0x140 [10961.653280][ T7704] addrconf_prefix_route+0x2a6/0x430 [10961.653280][ T7704] inet6_addr_add+0x4f8/0xa40 [10961.653280][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10961.653280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10961.653280][ T7704] netlink_rcv_skb+0x130/0x360 [10961.653280][ T7704] netlink_unicast+0x449/0x710 [10961.653280][ T7704] netlink_sendmsg+0x723/0xbe0 [10961.653280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10961.653280][ T7704] ___sys_sendmsg+0xee/0x170 [10961.653280][ T7704] __sys_sendmsg+0xcd/0x170 [10961.653280][ T7704] do_syscall_64+0xc6/0x1e0 [10961.653280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10961.653280][ T7704] [10961.655533][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10961.655533][ T7704] netdev_get_by_index+0x5e/0x80 [10961.655533][ T7704] fib6_nh_init+0x3d8/0x15b0 [10961.655533][ T7704] ip6_route_info_create+0xf18/0x17d0 [10961.655533][ T7704] addrconf_f6i_alloc+0x315/0x560 [10961.655533][ T7704] ipv6_add_addr+0x411/0x2000 [10961.655533][ T7704] inet6_addr_add+0x30e/0xa40 [10961.655533][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10961.655533][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10961.655533][ T7704] netlink_rcv_skb+0x130/0x360 [10961.655533][ T7704] netlink_unicast+0x449/0x710 [10961.655533][ T7704] netlink_sendmsg+0x723/0xbe0 [10961.655533][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10961.655533][ T7704] ___sys_sendmsg+0xee/0x170 [10961.655533][ T7704] __sys_sendmsg+0xcd/0x170 [10961.655533][ T7704] do_syscall_64+0xc6/0x1e0 [10961.655533][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10961.655533][ T7704] [10961.657779][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10961.657779][ T7704] netdev_get_by_index+0x5e/0x80 [10961.657779][ T7704] fib6_nh_init+0x3d8/0x15b0 [10961.657779][ T7704] ip6_route_info_create+0xf18/0x17d0 [10961.657779][ T7704] ip6_route_add+0x1c/0x140 [10961.657779][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10961.657779][ T7704] addrconf_add_dev+0xe2/0x170 [10961.657779][ T7704] inet6_addr_add+0x12f/0xa40 [10961.657779][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10961.657779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10961.657779][ T7704] netlink_rcv_skb+0x130/0x360 [10961.657779][ T7704] netlink_unicast+0x449/0x710 [10961.657779][ T7704] netlink_sendmsg+0x723/0xbe0 [10961.657779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10961.657779][ T7704] ___sys_sendmsg+0xee/0x170 [10961.657779][ T7704] __sys_sendmsg+0xcd/0x170 [10961.657779][ T7704] do_syscall_64+0xc6/0x1e0 [10961.657779][ T7704] [10961.659989][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10961.659989][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10961.659989][ T7704] ipv6_find_idev+0x102/0x170 [10961.659989][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10961.659989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10961.659989][ T7704] netlink_rcv_skb+0x130/0x360 [10961.659989][ T7704] netlink_unicast+0x449/0x710 [10961.659989][ T7704] netlink_sendmsg+0x723/0xbe0 [10961.659989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10961.659989][ T7704] ___sys_sendmsg+0xee/0x170 [10961.659989][ T7704] __sys_sendmsg+0xcd/0x170 [10961.659989][ T7704] do_syscall_64+0xc6/0x1e0 [10961.659989][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10961.659989][ T7704] [10961.661709][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10961.661709][ T7704] neigh_parms_alloc+0x1e5/0x510 [10961.661709][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10961.661709][ T7704] ipv6_find_idev+0x102/0x170 [10961.661709][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10961.661709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10961.661709][ T7704] netlink_rcv_skb+0x130/0x360 [10961.661709][ T7704] netlink_unicast+0x449/0x710 [10961.661709][ T7704] netlink_sendmsg+0x723/0xbe0 [10961.661709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10961.661709][ T7704] ___sys_sendmsg+0xee/0x170 [10961.661709][ T7704] __sys_sendmsg+0xcd/0x170 [10961.661709][ T7704] do_syscall_64+0xc6/0x1e0 [10961.661709][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10961.661709][ T7704] [10971.860793][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10971.861257][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10971.861257][ T7704] netdev_get_by_index+0x5e/0x80 [10971.861257][ T7704] fib6_nh_init+0x3d8/0x15b0 [10971.861257][ T7704] ip6_route_info_create+0xf18/0x17d0 [10971.861257][ T7704] ip6_route_add+0x1c/0x140 [10971.861257][ T7704] addrconf_prefix_route+0x2a6/0x430 [10971.861257][ T7704] inet6_addr_add+0x4f8/0xa40 [10971.861257][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10971.861257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10971.861257][ T7704] netlink_rcv_skb+0x130/0x360 [10971.861257][ T7704] netlink_unicast+0x449/0x710 [10971.861257][ T7704] netlink_sendmsg+0x723/0xbe0 [10971.861257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10971.861257][ T7704] ___sys_sendmsg+0xee/0x170 [10971.861257][ T7704] __sys_sendmsg+0xcd/0x170 [10971.861257][ T7704] do_syscall_64+0xc6/0x1e0 [10971.861257][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10971.861257][ T7704] [10971.863549][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10971.863549][ T7704] netdev_get_by_index+0x5e/0x80 [10971.863549][ T7704] fib6_nh_init+0x3d8/0x15b0 [10971.863549][ T7704] ip6_route_info_create+0xf18/0x17d0 [10971.863549][ T7704] addrconf_f6i_alloc+0x315/0x560 [10971.863549][ T7704] ipv6_add_addr+0x411/0x2000 [10971.863549][ T7704] inet6_addr_add+0x30e/0xa40 [10971.863549][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10971.863549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10971.863549][ T7704] netlink_rcv_skb+0x130/0x360 [10971.863549][ T7704] netlink_unicast+0x449/0x710 [10971.863549][ T7704] netlink_sendmsg+0x723/0xbe0 [10971.863549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10971.863549][ T7704] ___sys_sendmsg+0xee/0x170 [10971.863549][ T7704] __sys_sendmsg+0xcd/0x170 [10971.863549][ T7704] do_syscall_64+0xc6/0x1e0 [10971.863549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10971.863549][ T7704] [10971.865824][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10971.865824][ T7704] netdev_get_by_index+0x5e/0x80 [10971.865824][ T7704] fib6_nh_init+0x3d8/0x15b0 [10971.865824][ T7704] ip6_route_info_create+0xf18/0x17d0 [10971.865824][ T7704] ip6_route_add+0x1c/0x140 [10971.865824][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10971.865824][ T7704] addrconf_add_dev+0xe2/0x170 [10971.865824][ T7704] inet6_addr_add+0x12f/0xa40 [10971.865824][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10971.865824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10971.865824][ T7704] netlink_rcv_skb+0x130/0x360 [10971.865824][ T7704] netlink_unicast+0x449/0x710 [10971.865824][ T7704] netlink_sendmsg+0x723/0xbe0 [10971.865824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10971.865824][ T7704] ___sys_sendmsg+0xee/0x170 [10971.865824][ T7704] __sys_sendmsg+0xcd/0x170 [10971.865824][ T7704] do_syscall_64+0xc6/0x1e0 [10971.865824][ T7704] [10971.868052][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10971.868052][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10971.868052][ T7704] ipv6_find_idev+0x102/0x170 [10971.868052][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10971.868052][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10971.868052][ T7704] netlink_rcv_skb+0x130/0x360 [10971.868052][ T7704] netlink_unicast+0x449/0x710 [10971.868052][ T7704] netlink_sendmsg+0x723/0xbe0 [10971.868052][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10971.868052][ T7704] ___sys_sendmsg+0xee/0x170 [10971.868052][ T7704] __sys_sendmsg+0xcd/0x170 [10971.868052][ T7704] do_syscall_64+0xc6/0x1e0 [10971.868052][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10971.868052][ T7704] [10971.869784][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10971.869784][ T7704] neigh_parms_alloc+0x1e5/0x510 [10971.869784][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10971.869784][ T7704] ipv6_find_idev+0x102/0x170 [10971.869784][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10971.869784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10971.869784][ T7704] netlink_rcv_skb+0x130/0x360 [10971.869784][ T7704] netlink_unicast+0x449/0x710 [10971.869784][ T7704] netlink_sendmsg+0x723/0xbe0 [10971.869784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10971.869784][ T7704] ___sys_sendmsg+0xee/0x170 [10971.869784][ T7704] __sys_sendmsg+0xcd/0x170 [10971.869784][ T7704] do_syscall_64+0xc6/0x1e0 [10971.869784][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10971.869784][ T7704] [10982.012847][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10982.013380][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10982.013380][ T7704] netdev_get_by_index+0x5e/0x80 [10982.013380][ T7704] fib6_nh_init+0x3d8/0x15b0 [10982.013380][ T7704] ip6_route_info_create+0xf18/0x17d0 [10982.013380][ T7704] ip6_route_add+0x1c/0x140 [10982.013380][ T7704] addrconf_prefix_route+0x2a6/0x430 [10982.013380][ T7704] inet6_addr_add+0x4f8/0xa40 [10982.013380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10982.013380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10982.013380][ T7704] netlink_rcv_skb+0x130/0x360 [10982.013380][ T7704] netlink_unicast+0x449/0x710 [10982.013380][ T7704] netlink_sendmsg+0x723/0xbe0 [10982.013380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10982.013380][ T7704] ___sys_sendmsg+0xee/0x170 [10982.013380][ T7704] __sys_sendmsg+0xcd/0x170 [10982.013380][ T7704] do_syscall_64+0xc6/0x1e0 [10982.013380][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10982.013380][ T7704] [10982.015634][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10982.015634][ T7704] netdev_get_by_index+0x5e/0x80 [10982.015634][ T7704] fib6_nh_init+0x3d8/0x15b0 [10982.015634][ T7704] ip6_route_info_create+0xf18/0x17d0 [10982.015634][ T7704] addrconf_f6i_alloc+0x315/0x560 [10982.015634][ T7704] ipv6_add_addr+0x411/0x2000 [10982.015634][ T7704] inet6_addr_add+0x30e/0xa40 [10982.015634][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10982.015634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10982.015634][ T7704] netlink_rcv_skb+0x130/0x360 [10982.015634][ T7704] netlink_unicast+0x449/0x710 [10982.015634][ T7704] netlink_sendmsg+0x723/0xbe0 [10982.015634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10982.015634][ T7704] ___sys_sendmsg+0xee/0x170 [10982.015634][ T7704] __sys_sendmsg+0xcd/0x170 [10982.015634][ T7704] do_syscall_64+0xc6/0x1e0 [10982.015634][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10982.015634][ T7704] [10982.017858][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10982.017858][ T7704] netdev_get_by_index+0x5e/0x80 [10982.017858][ T7704] fib6_nh_init+0x3d8/0x15b0 [10982.017858][ T7704] ip6_route_info_create+0xf18/0x17d0 [10982.017858][ T7704] ip6_route_add+0x1c/0x140 [10982.017858][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10982.017858][ T7704] addrconf_add_dev+0xe2/0x170 [10982.017858][ T7704] inet6_addr_add+0x12f/0xa40 [10982.017858][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10982.017858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10982.017858][ T7704] netlink_rcv_skb+0x130/0x360 [10982.017858][ T7704] netlink_unicast+0x449/0x710 [10982.017858][ T7704] netlink_sendmsg+0x723/0xbe0 [10982.017858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10982.017858][ T7704] ___sys_sendmsg+0xee/0x170 [10982.017858][ T7704] __sys_sendmsg+0xcd/0x170 [10982.017858][ T7704] do_syscall_64+0xc6/0x1e0 [10982.017858][ T7704] [10982.020652][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10982.020652][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10982.020652][ T7704] ipv6_find_idev+0x102/0x170 [10982.020652][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10982.020652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10982.020652][ T7704] netlink_rcv_skb+0x130/0x360 [10982.020652][ T7704] netlink_unicast+0x449/0x710 [10982.020652][ T7704] netlink_sendmsg+0x723/0xbe0 [10982.020652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10982.020652][ T7704] ___sys_sendmsg+0xee/0x170 [10982.020652][ T7704] __sys_sendmsg+0xcd/0x170 [10982.020652][ T7704] do_syscall_64+0xc6/0x1e0 [10982.020652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10982.020652][ T7704] [10982.022656][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10982.022656][ T7704] neigh_parms_alloc+0x1e5/0x510 [10982.022656][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10982.022656][ T7704] ipv6_find_idev+0x102/0x170 [10982.022656][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10982.022656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10982.022656][ T7704] netlink_rcv_skb+0x130/0x360 [10982.022656][ T7704] netlink_unicast+0x449/0x710 [10982.022656][ T7704] netlink_sendmsg+0x723/0xbe0 [10982.022656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10982.022656][ T7704] ___sys_sendmsg+0xee/0x170 [10982.022656][ T7704] __sys_sendmsg+0xcd/0x170 [10982.022656][ T7704] do_syscall_64+0xc6/0x1e0 [10982.022656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10982.022656][ T7704] [10992.068806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [10992.069270][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10992.069270][ T7704] netdev_get_by_index+0x5e/0x80 [10992.069270][ T7704] fib6_nh_init+0x3d8/0x15b0 [10992.069270][ T7704] ip6_route_info_create+0xf18/0x17d0 [10992.069270][ T7704] ip6_route_add+0x1c/0x140 [10992.069270][ T7704] addrconf_prefix_route+0x2a6/0x430 [10992.069270][ T7704] inet6_addr_add+0x4f8/0xa40 [10992.069270][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10992.069270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10992.069270][ T7704] netlink_rcv_skb+0x130/0x360 [10992.069270][ T7704] netlink_unicast+0x449/0x710 [10992.069270][ T7704] netlink_sendmsg+0x723/0xbe0 [10992.069270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10992.069270][ T7704] ___sys_sendmsg+0xee/0x170 [10992.069270][ T7704] __sys_sendmsg+0xcd/0x170 [10992.069270][ T7704] do_syscall_64+0xc6/0x1e0 [10992.069270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10992.069270][ T7704] [10992.071519][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10992.071519][ T7704] netdev_get_by_index+0x5e/0x80 [10992.071519][ T7704] fib6_nh_init+0x3d8/0x15b0 [10992.071519][ T7704] ip6_route_info_create+0xf18/0x17d0 [10992.071519][ T7704] addrconf_f6i_alloc+0x315/0x560 [10992.071519][ T7704] ipv6_add_addr+0x411/0x2000 [10992.071519][ T7704] inet6_addr_add+0x30e/0xa40 [10992.071519][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10992.071519][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10992.071519][ T7704] netlink_rcv_skb+0x130/0x360 [10992.071519][ T7704] netlink_unicast+0x449/0x710 [10992.071519][ T7704] netlink_sendmsg+0x723/0xbe0 [10992.071519][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10992.071519][ T7704] ___sys_sendmsg+0xee/0x170 [10992.071519][ T7704] __sys_sendmsg+0xcd/0x170 [10992.071519][ T7704] do_syscall_64+0xc6/0x1e0 [10992.071519][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10992.071519][ T7704] [10992.073743][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10992.073743][ T7704] netdev_get_by_index+0x5e/0x80 [10992.073743][ T7704] fib6_nh_init+0x3d8/0x15b0 [10992.073743][ T7704] ip6_route_info_create+0xf18/0x17d0 [10992.073743][ T7704] ip6_route_add+0x1c/0x140 [10992.073743][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [10992.073743][ T7704] addrconf_add_dev+0xe2/0x170 [10992.073743][ T7704] inet6_addr_add+0x12f/0xa40 [10992.073743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [10992.073743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10992.073743][ T7704] netlink_rcv_skb+0x130/0x360 [10992.073743][ T7704] netlink_unicast+0x449/0x710 [10992.073743][ T7704] netlink_sendmsg+0x723/0xbe0 [10992.073743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10992.073743][ T7704] ___sys_sendmsg+0xee/0x170 [10992.073743][ T7704] __sys_sendmsg+0xcd/0x170 [10992.073743][ T7704] do_syscall_64+0xc6/0x1e0 [10992.073743][ T7704] [10992.076004][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10992.076004][ T7704] ipv6_add_dev+0x3b9/0x11c0 [10992.076004][ T7704] ipv6_find_idev+0x102/0x170 [10992.076004][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10992.076004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10992.076004][ T7704] netlink_rcv_skb+0x130/0x360 [10992.076004][ T7704] netlink_unicast+0x449/0x710 [10992.076004][ T7704] netlink_sendmsg+0x723/0xbe0 [10992.076004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10992.076004][ T7704] ___sys_sendmsg+0xee/0x170 [10992.076004][ T7704] __sys_sendmsg+0xcd/0x170 [10992.076004][ T7704] do_syscall_64+0xc6/0x1e0 [10992.076004][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10992.076004][ T7704] [10992.077709][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [10992.077709][ T7704] neigh_parms_alloc+0x1e5/0x510 [10992.077709][ T7704] ipv6_add_dev+0x2fd/0x11c0 [10992.077709][ T7704] ipv6_find_idev+0x102/0x170 [10992.077709][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [10992.077709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [10992.077709][ T7704] netlink_rcv_skb+0x130/0x360 [10992.077709][ T7704] netlink_unicast+0x449/0x710 [10992.077709][ T7704] netlink_sendmsg+0x723/0xbe0 [10992.077709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [10992.077709][ T7704] ___sys_sendmsg+0xee/0x170 [10992.077709][ T7704] __sys_sendmsg+0xcd/0x170 [10992.077709][ T7704] do_syscall_64+0xc6/0x1e0 [10992.077709][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10992.077709][ T7704] [11002.084855][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11002.085409][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11002.085409][ T7704] netdev_get_by_index+0x5e/0x80 [11002.085409][ T7704] fib6_nh_init+0x3d8/0x15b0 [11002.085409][ T7704] ip6_route_info_create+0xf18/0x17d0 [11002.085409][ T7704] ip6_route_add+0x1c/0x140 [11002.085409][ T7704] addrconf_prefix_route+0x2a6/0x430 [11002.085409][ T7704] inet6_addr_add+0x4f8/0xa40 [11002.085409][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11002.085409][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11002.085409][ T7704] netlink_rcv_skb+0x130/0x360 [11002.085409][ T7704] netlink_unicast+0x449/0x710 [11002.085409][ T7704] netlink_sendmsg+0x723/0xbe0 [11002.085409][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11002.085409][ T7704] ___sys_sendmsg+0xee/0x170 [11002.085409][ T7704] __sys_sendmsg+0xcd/0x170 [11002.085409][ T7704] do_syscall_64+0xc6/0x1e0 [11002.085409][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11002.085409][ T7704] [11002.087648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11002.087648][ T7704] netdev_get_by_index+0x5e/0x80 [11002.087648][ T7704] fib6_nh_init+0x3d8/0x15b0 [11002.087648][ T7704] ip6_route_info_create+0xf18/0x17d0 [11002.087648][ T7704] addrconf_f6i_alloc+0x315/0x560 [11002.087648][ T7704] ipv6_add_addr+0x411/0x2000 [11002.087648][ T7704] inet6_addr_add+0x30e/0xa40 [11002.087648][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11002.087648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11002.087648][ T7704] netlink_rcv_skb+0x130/0x360 [11002.087648][ T7704] netlink_unicast+0x449/0x710 [11002.087648][ T7704] netlink_sendmsg+0x723/0xbe0 [11002.087648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11002.087648][ T7704] ___sys_sendmsg+0xee/0x170 [11002.087648][ T7704] __sys_sendmsg+0xcd/0x170 [11002.087648][ T7704] do_syscall_64+0xc6/0x1e0 [11002.087648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11002.087648][ T7704] [11002.089888][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11002.089888][ T7704] netdev_get_by_index+0x5e/0x80 [11002.089888][ T7704] fib6_nh_init+0x3d8/0x15b0 [11002.089888][ T7704] ip6_route_info_create+0xf18/0x17d0 [11002.089888][ T7704] ip6_route_add+0x1c/0x140 [11002.089888][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11002.089888][ T7704] addrconf_add_dev+0xe2/0x170 [11002.089888][ T7704] inet6_addr_add+0x12f/0xa40 [11002.089888][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11002.089888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11002.089888][ T7704] netlink_rcv_skb+0x130/0x360 [11002.089888][ T7704] netlink_unicast+0x449/0x710 [11002.089888][ T7704] netlink_sendmsg+0x723/0xbe0 [11002.089888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11002.089888][ T7704] ___sys_sendmsg+0xee/0x170 [11002.089888][ T7704] __sys_sendmsg+0xcd/0x170 [11002.089888][ T7704] do_syscall_64+0xc6/0x1e0 [11002.089888][ T7704] [11002.092259][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11002.092259][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11002.092259][ T7704] ipv6_find_idev+0x102/0x170 [11002.092259][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11002.092259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11002.092259][ T7704] netlink_rcv_skb+0x130/0x360 [11002.092259][ T7704] netlink_unicast+0x449/0x710 [11002.092259][ T7704] netlink_sendmsg+0x723/0xbe0 [11002.092259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11002.092259][ T7704] ___sys_sendmsg+0xee/0x170 [11002.092259][ T7704] __sys_sendmsg+0xcd/0x170 [11002.092259][ T7704] do_syscall_64+0xc6/0x1e0 [11002.092259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11002.092259][ T7704] [11002.093964][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11002.093964][ T7704] neigh_parms_alloc+0x1e5/0x510 [11002.093964][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11002.093964][ T7704] ipv6_find_idev+0x102/0x170 [11002.093964][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11002.093964][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11002.093964][ T7704] netlink_rcv_skb+0x130/0x360 [11002.093964][ T7704] netlink_unicast+0x449/0x710 [11002.093964][ T7704] netlink_sendmsg+0x723/0xbe0 [11002.093964][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11002.093964][ T7704] ___sys_sendmsg+0xee/0x170 [11002.093964][ T7704] __sys_sendmsg+0xcd/0x170 [11002.093964][ T7704] do_syscall_64+0xc6/0x1e0 [11002.093964][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11002.093964][ T7704] [11012.260913][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11012.261374][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11012.261374][ T7704] netdev_get_by_index+0x5e/0x80 [11012.261374][ T7704] fib6_nh_init+0x3d8/0x15b0 [11012.261374][ T7704] ip6_route_info_create+0xf18/0x17d0 [11012.261374][ T7704] ip6_route_add+0x1c/0x140 [11012.261374][ T7704] addrconf_prefix_route+0x2a6/0x430 [11012.261374][ T7704] inet6_addr_add+0x4f8/0xa40 [11012.261374][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11012.261374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11012.261374][ T7704] netlink_rcv_skb+0x130/0x360 [11012.261374][ T7704] netlink_unicast+0x449/0x710 [11012.261374][ T7704] netlink_sendmsg+0x723/0xbe0 [11012.261374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11012.261374][ T7704] ___sys_sendmsg+0xee/0x170 [11012.261374][ T7704] __sys_sendmsg+0xcd/0x170 [11012.261374][ T7704] do_syscall_64+0xc6/0x1e0 [11012.261374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11012.261374][ T7704] [11012.263693][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11012.263693][ T7704] netdev_get_by_index+0x5e/0x80 [11012.263693][ T7704] fib6_nh_init+0x3d8/0x15b0 [11012.263693][ T7704] ip6_route_info_create+0xf18/0x17d0 [11012.263693][ T7704] addrconf_f6i_alloc+0x315/0x560 [11012.263693][ T7704] ipv6_add_addr+0x411/0x2000 [11012.263693][ T7704] inet6_addr_add+0x30e/0xa40 [11012.263693][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11012.263693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11012.263693][ T7704] netlink_rcv_skb+0x130/0x360 [11012.263693][ T7704] netlink_unicast+0x449/0x710 [11012.263693][ T7704] netlink_sendmsg+0x723/0xbe0 [11012.263693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11012.263693][ T7704] ___sys_sendmsg+0xee/0x170 [11012.263693][ T7704] __sys_sendmsg+0xcd/0x170 [11012.263693][ T7704] do_syscall_64+0xc6/0x1e0 [11012.263693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11012.263693][ T7704] [11012.265971][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11012.265971][ T7704] netdev_get_by_index+0x5e/0x80 [11012.265971][ T7704] fib6_nh_init+0x3d8/0x15b0 [11012.265971][ T7704] ip6_route_info_create+0xf18/0x17d0 [11012.265971][ T7704] ip6_route_add+0x1c/0x140 [11012.265971][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11012.265971][ T7704] addrconf_add_dev+0xe2/0x170 [11012.265971][ T7704] inet6_addr_add+0x12f/0xa40 [11012.265971][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11012.265971][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11012.265971][ T7704] netlink_rcv_skb+0x130/0x360 [11012.265971][ T7704] netlink_unicast+0x449/0x710 [11012.265971][ T7704] netlink_sendmsg+0x723/0xbe0 [11012.265971][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11012.265971][ T7704] ___sys_sendmsg+0xee/0x170 [11012.265971][ T7704] __sys_sendmsg+0xcd/0x170 [11012.265971][ T7704] do_syscall_64+0xc6/0x1e0 [11012.265971][ T7704] [11012.268219][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11012.268219][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11012.268219][ T7704] ipv6_find_idev+0x102/0x170 [11012.268219][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11012.268219][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11012.268219][ T7704] netlink_rcv_skb+0x130/0x360 [11012.268219][ T7704] netlink_unicast+0x449/0x710 [11012.268219][ T7704] netlink_sendmsg+0x723/0xbe0 [11012.268219][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11012.268219][ T7704] ___sys_sendmsg+0xee/0x170 [11012.268219][ T7704] __sys_sendmsg+0xcd/0x170 [11012.268219][ T7704] do_syscall_64+0xc6/0x1e0 [11012.268219][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11012.268219][ T7704] [11012.269978][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11012.269978][ T7704] neigh_parms_alloc+0x1e5/0x510 [11012.269978][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11012.269978][ T7704] ipv6_find_idev+0x102/0x170 [11012.269978][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11012.269978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11012.269978][ T7704] netlink_rcv_skb+0x130/0x360 [11012.269978][ T7704] netlink_unicast+0x449/0x710 [11012.269978][ T7704] netlink_sendmsg+0x723/0xbe0 [11012.269978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11012.269978][ T7704] ___sys_sendmsg+0xee/0x170 [11012.269978][ T7704] __sys_sendmsg+0xcd/0x170 [11012.269978][ T7704] do_syscall_64+0xc6/0x1e0 [11012.269978][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11012.269978][ T7704] [11022.468818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11022.469300][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11022.469300][ T7704] netdev_get_by_index+0x5e/0x80 [11022.469300][ T7704] fib6_nh_init+0x3d8/0x15b0 [11022.469300][ T7704] ip6_route_info_create+0xf18/0x17d0 [11022.469300][ T7704] ip6_route_add+0x1c/0x140 [11022.469300][ T7704] addrconf_prefix_route+0x2a6/0x430 [11022.469300][ T7704] inet6_addr_add+0x4f8/0xa40 [11022.469300][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11022.469300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11022.469300][ T7704] netlink_rcv_skb+0x130/0x360 [11022.469300][ T7704] netlink_unicast+0x449/0x710 [11022.469300][ T7704] netlink_sendmsg+0x723/0xbe0 [11022.469300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11022.469300][ T7704] ___sys_sendmsg+0xee/0x170 [11022.469300][ T7704] __sys_sendmsg+0xcd/0x170 [11022.469300][ T7704] do_syscall_64+0xc6/0x1e0 [11022.469300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11022.469300][ T7704] [11022.471716][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11022.471716][ T7704] netdev_get_by_index+0x5e/0x80 [11022.471716][ T7704] fib6_nh_init+0x3d8/0x15b0 [11022.471716][ T7704] ip6_route_info_create+0xf18/0x17d0 [11022.471716][ T7704] addrconf_f6i_alloc+0x315/0x560 [11022.471716][ T7704] ipv6_add_addr+0x411/0x2000 [11022.471716][ T7704] inet6_addr_add+0x30e/0xa40 [11022.471716][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11022.471716][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11022.471716][ T7704] netlink_rcv_skb+0x130/0x360 [11022.471716][ T7704] netlink_unicast+0x449/0x710 [11022.471716][ T7704] netlink_sendmsg+0x723/0xbe0 [11022.471716][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11022.471716][ T7704] ___sys_sendmsg+0xee/0x170 [11022.471716][ T7704] __sys_sendmsg+0xcd/0x170 [11022.471716][ T7704] do_syscall_64+0xc6/0x1e0 [11022.471716][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11022.471716][ T7704] [11022.473972][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11022.473972][ T7704] netdev_get_by_index+0x5e/0x80 [11022.473972][ T7704] fib6_nh_init+0x3d8/0x15b0 [11022.473972][ T7704] ip6_route_info_create+0xf18/0x17d0 [11022.473972][ T7704] ip6_route_add+0x1c/0x140 [11022.473972][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11022.473972][ T7704] addrconf_add_dev+0xe2/0x170 [11022.473972][ T7704] inet6_addr_add+0x12f/0xa40 [11022.473972][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11022.473972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11022.473972][ T7704] netlink_rcv_skb+0x130/0x360 [11022.473972][ T7704] netlink_unicast+0x449/0x710 [11022.473972][ T7704] netlink_sendmsg+0x723/0xbe0 [11022.473972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11022.473972][ T7704] ___sys_sendmsg+0xee/0x170 [11022.473972][ T7704] __sys_sendmsg+0xcd/0x170 [11022.473972][ T7704] do_syscall_64+0xc6/0x1e0 [11022.473972][ T7704] [11022.476165][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11022.476165][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11022.476165][ T7704] ipv6_find_idev+0x102/0x170 [11022.476165][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11022.476165][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11022.476165][ T7704] netlink_rcv_skb+0x130/0x360 [11022.476165][ T7704] netlink_unicast+0x449/0x710 [11022.476165][ T7704] netlink_sendmsg+0x723/0xbe0 [11022.476165][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11022.476165][ T7704] ___sys_sendmsg+0xee/0x170 [11022.476165][ T7704] __sys_sendmsg+0xcd/0x170 [11022.476165][ T7704] do_syscall_64+0xc6/0x1e0 [11022.476165][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11022.476165][ T7704] [11022.477931][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11022.477931][ T7704] neigh_parms_alloc+0x1e5/0x510 [11022.477931][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11022.477931][ T7704] ipv6_find_idev+0x102/0x170 [11022.477931][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11022.477931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11022.477931][ T7704] netlink_rcv_skb+0x130/0x360 [11022.477931][ T7704] netlink_unicast+0x449/0x710 [11022.477931][ T7704] netlink_sendmsg+0x723/0xbe0 [11022.477931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11022.477931][ T7704] ___sys_sendmsg+0xee/0x170 [11022.477931][ T7704] __sys_sendmsg+0xcd/0x170 [11022.477931][ T7704] do_syscall_64+0xc6/0x1e0 [11022.477931][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11022.477931][ T7704] [11032.580797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11032.581303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11032.581303][ T7704] netdev_get_by_index+0x5e/0x80 [11032.581303][ T7704] fib6_nh_init+0x3d8/0x15b0 [11032.581303][ T7704] ip6_route_info_create+0xf18/0x17d0 [11032.581303][ T7704] ip6_route_add+0x1c/0x140 [11032.581303][ T7704] addrconf_prefix_route+0x2a6/0x430 [11032.581303][ T7704] inet6_addr_add+0x4f8/0xa40 [11032.581303][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11032.581303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11032.581303][ T7704] netlink_rcv_skb+0x130/0x360 [11032.581303][ T7704] netlink_unicast+0x449/0x710 [11032.581303][ T7704] netlink_sendmsg+0x723/0xbe0 [11032.581303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11032.581303][ T7704] ___sys_sendmsg+0xee/0x170 [11032.581303][ T7704] __sys_sendmsg+0xcd/0x170 [11032.581303][ T7704] do_syscall_64+0xc6/0x1e0 [11032.581303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11032.581303][ T7704] [11032.583788][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11032.583788][ T7704] netdev_get_by_index+0x5e/0x80 [11032.583788][ T7704] fib6_nh_init+0x3d8/0x15b0 [11032.583788][ T7704] ip6_route_info_create+0xf18/0x17d0 [11032.583788][ T7704] addrconf_f6i_alloc+0x315/0x560 [11032.583788][ T7704] ipv6_add_addr+0x411/0x2000 [11032.583788][ T7704] inet6_addr_add+0x30e/0xa40 [11032.583788][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11032.583788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11032.583788][ T7704] netlink_rcv_skb+0x130/0x360 [11032.583788][ T7704] netlink_unicast+0x449/0x710 [11032.583788][ T7704] netlink_sendmsg+0x723/0xbe0 [11032.583788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11032.583788][ T7704] ___sys_sendmsg+0xee/0x170 [11032.583788][ T7704] __sys_sendmsg+0xcd/0x170 [11032.583788][ T7704] do_syscall_64+0xc6/0x1e0 [11032.583788][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11032.583788][ T7704] [11032.586244][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11032.586244][ T7704] netdev_get_by_index+0x5e/0x80 [11032.586244][ T7704] fib6_nh_init+0x3d8/0x15b0 [11032.586244][ T7704] ip6_route_info_create+0xf18/0x17d0 [11032.586244][ T7704] ip6_route_add+0x1c/0x140 [11032.586244][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11032.586244][ T7704] addrconf_add_dev+0xe2/0x170 [11032.586244][ T7704] inet6_addr_add+0x12f/0xa40 [11032.586244][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11032.586244][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11032.586244][ T7704] netlink_rcv_skb+0x130/0x360 [11032.586244][ T7704] netlink_unicast+0x449/0x710 [11032.586244][ T7704] netlink_sendmsg+0x723/0xbe0 [11032.586244][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11032.586244][ T7704] ___sys_sendmsg+0xee/0x170 [11032.586244][ T7704] __sys_sendmsg+0xcd/0x170 [11032.586244][ T7704] do_syscall_64+0xc6/0x1e0 [11032.586244][ T7704] [11032.588589][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11032.588589][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11032.588589][ T7704] ipv6_find_idev+0x102/0x170 [11032.588589][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11032.588589][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11032.588589][ T7704] netlink_rcv_skb+0x130/0x360 [11032.588589][ T7704] netlink_unicast+0x449/0x710 [11032.588589][ T7704] netlink_sendmsg+0x723/0xbe0 [11032.588589][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11032.588589][ T7704] ___sys_sendmsg+0xee/0x170 [11032.588589][ T7704] __sys_sendmsg+0xcd/0x170 [11032.588589][ T7704] do_syscall_64+0xc6/0x1e0 [11032.588589][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11032.588589][ T7704] [11032.590469][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11032.590469][ T7704] neigh_parms_alloc+0x1e5/0x510 [11032.590469][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11032.590469][ T7704] ipv6_find_idev+0x102/0x170 [11032.590469][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11032.590469][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11032.590469][ T7704] netlink_rcv_skb+0x130/0x360 [11032.590469][ T7704] netlink_unicast+0x449/0x710 [11032.590469][ T7704] netlink_sendmsg+0x723/0xbe0 [11032.590469][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11032.590469][ T7704] ___sys_sendmsg+0xee/0x170 [11032.590469][ T7704] __sys_sendmsg+0xcd/0x170 [11032.590469][ T7704] do_syscall_64+0xc6/0x1e0 [11032.590469][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11032.590469][ T7704] [11042.756829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11042.757301][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11042.757301][ T7704] netdev_get_by_index+0x5e/0x80 [11042.757301][ T7704] fib6_nh_init+0x3d8/0x15b0 [11042.757301][ T7704] ip6_route_info_create+0xf18/0x17d0 [11042.757301][ T7704] ip6_route_add+0x1c/0x140 [11042.757301][ T7704] addrconf_prefix_route+0x2a6/0x430 [11042.757301][ T7704] inet6_addr_add+0x4f8/0xa40 [11042.757301][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11042.757301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11042.757301][ T7704] netlink_rcv_skb+0x130/0x360 [11042.757301][ T7704] netlink_unicast+0x449/0x710 [11042.757301][ T7704] netlink_sendmsg+0x723/0xbe0 [11042.757301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11042.757301][ T7704] ___sys_sendmsg+0xee/0x170 [11042.757301][ T7704] __sys_sendmsg+0xcd/0x170 [11042.757301][ T7704] do_syscall_64+0xc6/0x1e0 [11042.757301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11042.757301][ T7704] [11042.759703][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11042.759703][ T7704] netdev_get_by_index+0x5e/0x80 [11042.759703][ T7704] fib6_nh_init+0x3d8/0x15b0 [11042.759703][ T7704] ip6_route_info_create+0xf18/0x17d0 [11042.759703][ T7704] addrconf_f6i_alloc+0x315/0x560 [11042.759703][ T7704] ipv6_add_addr+0x411/0x2000 [11042.759703][ T7704] inet6_addr_add+0x30e/0xa40 [11042.759703][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11042.759703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11042.759703][ T7704] netlink_rcv_skb+0x130/0x360 [11042.759703][ T7704] netlink_unicast+0x449/0x710 [11042.759703][ T7704] netlink_sendmsg+0x723/0xbe0 [11042.759703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11042.759703][ T7704] ___sys_sendmsg+0xee/0x170 [11042.759703][ T7704] __sys_sendmsg+0xcd/0x170 [11042.759703][ T7704] do_syscall_64+0xc6/0x1e0 [11042.759703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11042.759703][ T7704] [11042.761989][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11042.761989][ T7704] netdev_get_by_index+0x5e/0x80 [11042.761989][ T7704] fib6_nh_init+0x3d8/0x15b0 [11042.761989][ T7704] ip6_route_info_create+0xf18/0x17d0 [11042.761989][ T7704] ip6_route_add+0x1c/0x140 [11042.761989][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11042.761989][ T7704] addrconf_add_dev+0xe2/0x170 [11042.761989][ T7704] inet6_addr_add+0x12f/0xa40 [11042.761989][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11042.761989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11042.761989][ T7704] netlink_rcv_skb+0x130/0x360 [11042.761989][ T7704] netlink_unicast+0x449/0x710 [11042.761989][ T7704] netlink_sendmsg+0x723/0xbe0 [11042.761989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11042.761989][ T7704] ___sys_sendmsg+0xee/0x170 [11042.761989][ T7704] __sys_sendmsg+0xcd/0x170 [11042.761989][ T7704] do_syscall_64+0xc6/0x1e0 [11042.761989][ T7704] [11042.764259][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11042.764259][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11042.764259][ T7704] ipv6_find_idev+0x102/0x170 [11042.764259][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11042.764259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11042.764259][ T7704] netlink_rcv_skb+0x130/0x360 [11042.764259][ T7704] netlink_unicast+0x449/0x710 [11042.764259][ T7704] netlink_sendmsg+0x723/0xbe0 [11042.764259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11042.764259][ T7704] ___sys_sendmsg+0xee/0x170 [11042.764259][ T7704] __sys_sendmsg+0xcd/0x170 [11042.764259][ T7704] do_syscall_64+0xc6/0x1e0 [11042.764259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11042.764259][ T7704] [11042.766085][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11042.766085][ T7704] neigh_parms_alloc+0x1e5/0x510 [11042.766085][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11042.766085][ T7704] ipv6_find_idev+0x102/0x170 [11042.766085][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11042.766085][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11042.766085][ T7704] netlink_rcv_skb+0x130/0x360 [11042.766085][ T7704] netlink_unicast+0x449/0x710 [11042.766085][ T7704] netlink_sendmsg+0x723/0xbe0 [11042.766085][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11042.766085][ T7704] ___sys_sendmsg+0xee/0x170 [11042.766085][ T7704] __sys_sendmsg+0xcd/0x170 [11042.766085][ T7704] do_syscall_64+0xc6/0x1e0 [11042.766085][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11042.766085][ T7704] [11052.860806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11052.861479][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11052.861479][ T7704] netdev_get_by_index+0x5e/0x80 [11052.861479][ T7704] fib6_nh_init+0x3d8/0x15b0 [11052.861479][ T7704] ip6_route_info_create+0xf18/0x17d0 [11052.861479][ T7704] ip6_route_add+0x1c/0x140 [11052.861479][ T7704] addrconf_prefix_route+0x2a6/0x430 [11052.861479][ T7704] inet6_addr_add+0x4f8/0xa40 [11052.861479][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11052.861479][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11052.861479][ T7704] netlink_rcv_skb+0x130/0x360 [11052.861479][ T7704] netlink_unicast+0x449/0x710 [11052.861479][ T7704] netlink_sendmsg+0x723/0xbe0 [11052.861479][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11052.861479][ T7704] ___sys_sendmsg+0xee/0x170 [11052.861479][ T7704] __sys_sendmsg+0xcd/0x170 [11052.861479][ T7704] do_syscall_64+0xc6/0x1e0 [11052.861479][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11052.861479][ T7704] [11052.864961][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11052.864961][ T7704] netdev_get_by_index+0x5e/0x80 [11052.864961][ T7704] fib6_nh_init+0x3d8/0x15b0 [11052.864961][ T7704] ip6_route_info_create+0xf18/0x17d0 [11052.864961][ T7704] addrconf_f6i_alloc+0x315/0x560 [11052.864961][ T7704] ipv6_add_addr+0x411/0x2000 [11052.864961][ T7704] inet6_addr_add+0x30e/0xa40 [11052.864961][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11052.864961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11052.864961][ T7704] netlink_rcv_skb+0x130/0x360 [11052.864961][ T7704] netlink_unicast+0x449/0x710 [11052.864961][ T7704] netlink_sendmsg+0x723/0xbe0 [11052.864961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11052.864961][ T7704] ___sys_sendmsg+0xee/0x170 [11052.864961][ T7704] __sys_sendmsg+0xcd/0x170 [11052.864961][ T7704] do_syscall_64+0xc6/0x1e0 [11052.864961][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11052.864961][ T7704] [11052.868436][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11052.868436][ T7704] netdev_get_by_index+0x5e/0x80 [11052.868436][ T7704] fib6_nh_init+0x3d8/0x15b0 [11052.868436][ T7704] ip6_route_info_create+0xf18/0x17d0 [11052.868436][ T7704] ip6_route_add+0x1c/0x140 [11052.868436][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11052.868436][ T7704] addrconf_add_dev+0xe2/0x170 [11052.868436][ T7704] inet6_addr_add+0x12f/0xa40 [11052.868436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11052.868436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11052.868436][ T7704] netlink_rcv_skb+0x130/0x360 [11052.868436][ T7704] netlink_unicast+0x449/0x710 [11052.868436][ T7704] netlink_sendmsg+0x723/0xbe0 [11052.868436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11052.868436][ T7704] ___sys_sendmsg+0xee/0x170 [11052.868436][ T7704] __sys_sendmsg+0xcd/0x170 [11052.868436][ T7704] do_syscall_64+0xc6/0x1e0 [11052.868436][ T7704] [11052.871920][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11052.871920][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11052.871920][ T7704] ipv6_find_idev+0x102/0x170 [11052.871920][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11052.871920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11052.871920][ T7704] netlink_rcv_skb+0x130/0x360 [11052.871920][ T7704] netlink_unicast+0x449/0x710 [11052.871920][ T7704] netlink_sendmsg+0x723/0xbe0 [11052.871920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11052.871920][ T7704] ___sys_sendmsg+0xee/0x170 [11052.871920][ T7704] __sys_sendmsg+0xcd/0x170 [11052.871920][ T7704] do_syscall_64+0xc6/0x1e0 [11052.871920][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11052.871920][ T7704] [11052.874771][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11052.874771][ T7704] neigh_parms_alloc+0x1e5/0x510 [11052.874771][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11052.874771][ T7704] ipv6_find_idev+0x102/0x170 [11052.874771][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11052.874771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11052.874771][ T7704] netlink_rcv_skb+0x130/0x360 [11052.874771][ T7704] netlink_unicast+0x449/0x710 [11052.874771][ T7704] netlink_sendmsg+0x723/0xbe0 [11052.874771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11052.874771][ T7704] ___sys_sendmsg+0xee/0x170 [11052.874771][ T7704] __sys_sendmsg+0xcd/0x170 [11052.874771][ T7704] do_syscall_64+0xc6/0x1e0 [11052.874771][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11052.874771][ T7704] [11062.908801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11062.909311][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11062.909311][ T7704] netdev_get_by_index+0x5e/0x80 [11062.909311][ T7704] fib6_nh_init+0x3d8/0x15b0 [11062.909311][ T7704] ip6_route_info_create+0xf18/0x17d0 [11062.909311][ T7704] ip6_route_add+0x1c/0x140 [11062.909311][ T7704] addrconf_prefix_route+0x2a6/0x430 [11062.909311][ T7704] inet6_addr_add+0x4f8/0xa40 [11062.909311][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11062.909311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11062.909311][ T7704] netlink_rcv_skb+0x130/0x360 [11062.909311][ T7704] netlink_unicast+0x449/0x710 [11062.909311][ T7704] netlink_sendmsg+0x723/0xbe0 [11062.909311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11062.909311][ T7704] ___sys_sendmsg+0xee/0x170 [11062.909311][ T7704] __sys_sendmsg+0xcd/0x170 [11062.909311][ T7704] do_syscall_64+0xc6/0x1e0 [11062.909311][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11062.909311][ T7704] [11062.911855][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11062.911855][ T7704] netdev_get_by_index+0x5e/0x80 [11062.911855][ T7704] fib6_nh_init+0x3d8/0x15b0 [11062.911855][ T7704] ip6_route_info_create+0xf18/0x17d0 [11062.911855][ T7704] addrconf_f6i_alloc+0x315/0x560 [11062.911855][ T7704] ipv6_add_addr+0x411/0x2000 [11062.911855][ T7704] inet6_addr_add+0x30e/0xa40 [11062.911855][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11062.911855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11062.911855][ T7704] netlink_rcv_skb+0x130/0x360 [11062.911855][ T7704] netlink_unicast+0x449/0x710 [11062.911855][ T7704] netlink_sendmsg+0x723/0xbe0 [11062.911855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11062.911855][ T7704] ___sys_sendmsg+0xee/0x170 [11062.911855][ T7704] __sys_sendmsg+0xcd/0x170 [11062.911855][ T7704] do_syscall_64+0xc6/0x1e0 [11062.911855][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11062.911855][ T7704] [11062.914439][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11062.914439][ T7704] netdev_get_by_index+0x5e/0x80 [11062.914439][ T7704] fib6_nh_init+0x3d8/0x15b0 [11062.914439][ T7704] ip6_route_info_create+0xf18/0x17d0 [11062.914439][ T7704] ip6_route_add+0x1c/0x140 [11062.914439][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11062.914439][ T7704] addrconf_add_dev+0xe2/0x170 [11062.914439][ T7704] inet6_addr_add+0x12f/0xa40 [11062.914439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11062.914439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11062.914439][ T7704] netlink_rcv_skb+0x130/0x360 [11062.914439][ T7704] netlink_unicast+0x449/0x710 [11062.914439][ T7704] netlink_sendmsg+0x723/0xbe0 [11062.914439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11062.914439][ T7704] ___sys_sendmsg+0xee/0x170 [11062.914439][ T7704] __sys_sendmsg+0xcd/0x170 [11062.914439][ T7704] do_syscall_64+0xc6/0x1e0 [11062.914439][ T7704] [11062.916944][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11062.916944][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11062.916944][ T7704] ipv6_find_idev+0x102/0x170 [11062.916944][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11062.916944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11062.916944][ T7704] netlink_rcv_skb+0x130/0x360 [11062.916944][ T7704] netlink_unicast+0x449/0x710 [11062.916944][ T7704] netlink_sendmsg+0x723/0xbe0 [11062.916944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11062.916944][ T7704] ___sys_sendmsg+0xee/0x170 [11062.916944][ T7704] __sys_sendmsg+0xcd/0x170 [11062.916944][ T7704] do_syscall_64+0xc6/0x1e0 [11062.916944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11062.916944][ T7704] [11062.918897][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11062.918897][ T7704] neigh_parms_alloc+0x1e5/0x510 [11062.918897][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11062.918897][ T7704] ipv6_find_idev+0x102/0x170 [11062.918897][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11062.918897][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11062.918897][ T7704] netlink_rcv_skb+0x130/0x360 [11062.918897][ T7704] netlink_unicast+0x449/0x710 [11062.918897][ T7704] netlink_sendmsg+0x723/0xbe0 [11062.918897][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11062.918897][ T7704] ___sys_sendmsg+0xee/0x170 [11062.918897][ T7704] __sys_sendmsg+0xcd/0x170 [11062.918897][ T7704] do_syscall_64+0xc6/0x1e0 [11062.918897][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11062.918897][ T7704] [11073.100818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11073.101308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11073.101308][ T7704] netdev_get_by_index+0x5e/0x80 [11073.101308][ T7704] fib6_nh_init+0x3d8/0x15b0 [11073.101308][ T7704] ip6_route_info_create+0xf18/0x17d0 [11073.101308][ T7704] ip6_route_add+0x1c/0x140 [11073.101308][ T7704] addrconf_prefix_route+0x2a6/0x430 [11073.101308][ T7704] inet6_addr_add+0x4f8/0xa40 [11073.101308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11073.101308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11073.101308][ T7704] netlink_rcv_skb+0x130/0x360 [11073.101308][ T7704] netlink_unicast+0x449/0x710 [11073.101308][ T7704] netlink_sendmsg+0x723/0xbe0 [11073.101308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11073.101308][ T7704] ___sys_sendmsg+0xee/0x170 [11073.101308][ T7704] __sys_sendmsg+0xcd/0x170 [11073.101308][ T7704] do_syscall_64+0xc6/0x1e0 [11073.101308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11073.101308][ T7704] [11073.103710][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11073.103710][ T7704] netdev_get_by_index+0x5e/0x80 [11073.103710][ T7704] fib6_nh_init+0x3d8/0x15b0 [11073.103710][ T7704] ip6_route_info_create+0xf18/0x17d0 [11073.103710][ T7704] addrconf_f6i_alloc+0x315/0x560 [11073.103710][ T7704] ipv6_add_addr+0x411/0x2000 [11073.103710][ T7704] inet6_addr_add+0x30e/0xa40 [11073.103710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11073.103710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11073.103710][ T7704] netlink_rcv_skb+0x130/0x360 [11073.103710][ T7704] netlink_unicast+0x449/0x710 [11073.103710][ T7704] netlink_sendmsg+0x723/0xbe0 [11073.103710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11073.103710][ T7704] ___sys_sendmsg+0xee/0x170 [11073.103710][ T7704] __sys_sendmsg+0xcd/0x170 [11073.103710][ T7704] do_syscall_64+0xc6/0x1e0 [11073.103710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11073.103710][ T7704] [11073.106103][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11073.106103][ T7704] netdev_get_by_index+0x5e/0x80 [11073.106103][ T7704] fib6_nh_init+0x3d8/0x15b0 [11073.106103][ T7704] ip6_route_info_create+0xf18/0x17d0 [11073.106103][ T7704] ip6_route_add+0x1c/0x140 [11073.106103][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11073.106103][ T7704] addrconf_add_dev+0xe2/0x170 [11073.106103][ T7704] inet6_addr_add+0x12f/0xa40 [11073.106103][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11073.106103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11073.106103][ T7704] netlink_rcv_skb+0x130/0x360 [11073.106103][ T7704] netlink_unicast+0x449/0x710 [11073.106103][ T7704] netlink_sendmsg+0x723/0xbe0 [11073.106103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11073.106103][ T7704] ___sys_sendmsg+0xee/0x170 [11073.106103][ T7704] __sys_sendmsg+0xcd/0x170 [11073.106103][ T7704] do_syscall_64+0xc6/0x1e0 [11073.106103][ T7704] [11073.108419][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11073.108419][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11073.108419][ T7704] ipv6_find_idev+0x102/0x170 [11073.108419][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11073.108419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11073.108419][ T7704] netlink_rcv_skb+0x130/0x360 [11073.108419][ T7704] netlink_unicast+0x449/0x710 [11073.108419][ T7704] netlink_sendmsg+0x723/0xbe0 [11073.108419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11073.108419][ T7704] ___sys_sendmsg+0xee/0x170 [11073.108419][ T7704] __sys_sendmsg+0xcd/0x170 [11073.108419][ T7704] do_syscall_64+0xc6/0x1e0 [11073.108419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11073.108419][ T7704] [11073.110345][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11073.110345][ T7704] neigh_parms_alloc+0x1e5/0x510 [11073.110345][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11073.110345][ T7704] ipv6_find_idev+0x102/0x170 [11073.110345][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11073.110345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11073.110345][ T7704] netlink_rcv_skb+0x130/0x360 [11073.110345][ T7704] netlink_unicast+0x449/0x710 [11073.110345][ T7704] netlink_sendmsg+0x723/0xbe0 [11073.110345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11073.110345][ T7704] ___sys_sendmsg+0xee/0x170 [11073.110345][ T7704] __sys_sendmsg+0xcd/0x170 [11073.110345][ T7704] do_syscall_64+0xc6/0x1e0 [11073.110345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11073.110345][ T7704] [11083.836923][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11083.837389][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11083.837389][ T7704] netdev_get_by_index+0x5e/0x80 [11083.837389][ T7704] fib6_nh_init+0x3d8/0x15b0 [11083.837389][ T7704] ip6_route_info_create+0xf18/0x17d0 [11083.837389][ T7704] ip6_route_add+0x1c/0x140 [11083.837389][ T7704] addrconf_prefix_route+0x2a6/0x430 [11083.837389][ T7704] inet6_addr_add+0x4f8/0xa40 [11083.837389][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11083.837389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11083.837389][ T7704] netlink_rcv_skb+0x130/0x360 [11083.837389][ T7704] netlink_unicast+0x449/0x710 [11083.837389][ T7704] netlink_sendmsg+0x723/0xbe0 [11083.837389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11083.837389][ T7704] ___sys_sendmsg+0xee/0x170 [11083.837389][ T7704] __sys_sendmsg+0xcd/0x170 [11083.837389][ T7704] do_syscall_64+0xc6/0x1e0 [11083.837389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11083.837389][ T7704] [11083.839803][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11083.839803][ T7704] netdev_get_by_index+0x5e/0x80 [11083.839803][ T7704] fib6_nh_init+0x3d8/0x15b0 [11083.839803][ T7704] ip6_route_info_create+0xf18/0x17d0 [11083.839803][ T7704] addrconf_f6i_alloc+0x315/0x560 [11083.839803][ T7704] ipv6_add_addr+0x411/0x2000 [11083.839803][ T7704] inet6_addr_add+0x30e/0xa40 [11083.839803][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11083.839803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11083.839803][ T7704] netlink_rcv_skb+0x130/0x360 [11083.839803][ T7704] netlink_unicast+0x449/0x710 [11083.839803][ T7704] netlink_sendmsg+0x723/0xbe0 [11083.839803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11083.839803][ T7704] ___sys_sendmsg+0xee/0x170 [11083.839803][ T7704] __sys_sendmsg+0xcd/0x170 [11083.839803][ T7704] do_syscall_64+0xc6/0x1e0 [11083.839803][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11083.839803][ T7704] [11083.842077][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11083.842077][ T7704] netdev_get_by_index+0x5e/0x80 [11083.842077][ T7704] fib6_nh_init+0x3d8/0x15b0 [11083.842077][ T7704] ip6_route_info_create+0xf18/0x17d0 [11083.842077][ T7704] ip6_route_add+0x1c/0x140 [11083.842077][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11083.842077][ T7704] addrconf_add_dev+0xe2/0x170 [11083.842077][ T7704] inet6_addr_add+0x12f/0xa40 [11083.842077][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11083.842077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11083.842077][ T7704] netlink_rcv_skb+0x130/0x360 [11083.842077][ T7704] netlink_unicast+0x449/0x710 [11083.842077][ T7704] netlink_sendmsg+0x723/0xbe0 [11083.842077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11083.842077][ T7704] ___sys_sendmsg+0xee/0x170 [11083.842077][ T7704] __sys_sendmsg+0xcd/0x170 [11083.842077][ T7704] do_syscall_64+0xc6/0x1e0 [11083.842077][ T7704] [11083.844280][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11083.844280][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11083.844280][ T7704] ipv6_find_idev+0x102/0x170 [11083.844280][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11083.844280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11083.844280][ T7704] netlink_rcv_skb+0x130/0x360 [11083.844280][ T7704] netlink_unicast+0x449/0x710 [11083.844280][ T7704] netlink_sendmsg+0x723/0xbe0 [11083.844280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11083.844280][ T7704] ___sys_sendmsg+0xee/0x170 [11083.844280][ T7704] __sys_sendmsg+0xcd/0x170 [11083.844280][ T7704] do_syscall_64+0xc6/0x1e0 [11083.844280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11083.844280][ T7704] [11083.846017][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11083.846017][ T7704] neigh_parms_alloc+0x1e5/0x510 [11083.846017][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11083.846017][ T7704] ipv6_find_idev+0x102/0x170 [11083.846017][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11083.846017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11083.846017][ T7704] netlink_rcv_skb+0x130/0x360 [11083.846017][ T7704] netlink_unicast+0x449/0x710 [11083.846017][ T7704] netlink_sendmsg+0x723/0xbe0 [11083.846017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11083.846017][ T7704] ___sys_sendmsg+0xee/0x170 [11083.846017][ T7704] __sys_sendmsg+0xcd/0x170 [11083.846017][ T7704] do_syscall_64+0xc6/0x1e0 [11083.846017][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11083.846017][ T7704] [11094.084836][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11094.085499][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11094.085499][ T7704] netdev_get_by_index+0x5e/0x80 [11094.085499][ T7704] fib6_nh_init+0x3d8/0x15b0 [11094.085499][ T7704] ip6_route_info_create+0xf18/0x17d0 [11094.085499][ T7704] ip6_route_add+0x1c/0x140 [11094.085499][ T7704] addrconf_prefix_route+0x2a6/0x430 [11094.085499][ T7704] inet6_addr_add+0x4f8/0xa40 [11094.085499][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11094.085499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11094.085499][ T7704] netlink_rcv_skb+0x130/0x360 [11094.085499][ T7704] netlink_unicast+0x449/0x710 [11094.085499][ T7704] netlink_sendmsg+0x723/0xbe0 [11094.085499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11094.085499][ T7704] ___sys_sendmsg+0xee/0x170 [11094.085499][ T7704] __sys_sendmsg+0xcd/0x170 [11094.085499][ T7704] do_syscall_64+0xc6/0x1e0 [11094.085499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11094.085499][ T7704] [11094.089128][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11094.089128][ T7704] netdev_get_by_index+0x5e/0x80 [11094.089128][ T7704] fib6_nh_init+0x3d8/0x15b0 [11094.089128][ T7704] ip6_route_info_create+0xf18/0x17d0 [11094.089128][ T7704] addrconf_f6i_alloc+0x315/0x560 [11094.089128][ T7704] ipv6_add_addr+0x411/0x2000 [11094.089128][ T7704] inet6_addr_add+0x30e/0xa40 [11094.089128][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11094.089128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11094.089128][ T7704] netlink_rcv_skb+0x130/0x360 [11094.089128][ T7704] netlink_unicast+0x449/0x710 [11094.089128][ T7704] netlink_sendmsg+0x723/0xbe0 [11094.089128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11094.089128][ T7704] ___sys_sendmsg+0xee/0x170 [11094.089128][ T7704] __sys_sendmsg+0xcd/0x170 [11094.089128][ T7704] do_syscall_64+0xc6/0x1e0 [11094.089128][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11094.089128][ T7704] [11094.092088][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11094.092088][ T7704] netdev_get_by_index+0x5e/0x80 [11094.092088][ T7704] fib6_nh_init+0x3d8/0x15b0 [11094.092088][ T7704] ip6_route_info_create+0xf18/0x17d0 [11094.092088][ T7704] ip6_route_add+0x1c/0x140 [11094.092088][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11094.092088][ T7704] addrconf_add_dev+0xe2/0x170 [11094.092088][ T7704] inet6_addr_add+0x12f/0xa40 [11094.092088][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11094.092088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11094.092088][ T7704] netlink_rcv_skb+0x130/0x360 [11094.092088][ T7704] netlink_unicast+0x449/0x710 [11094.092088][ T7704] netlink_sendmsg+0x723/0xbe0 [11094.092088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11094.092088][ T7704] ___sys_sendmsg+0xee/0x170 [11094.092088][ T7704] __sys_sendmsg+0xcd/0x170 [11094.092088][ T7704] do_syscall_64+0xc6/0x1e0 [11094.092088][ T7704] [11094.095607][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11094.095607][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11094.095607][ T7704] ipv6_find_idev+0x102/0x170 [11094.095607][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11094.095607][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11094.095607][ T7704] netlink_rcv_skb+0x130/0x360 [11094.095607][ T7704] netlink_unicast+0x449/0x710 [11094.095607][ T7704] netlink_sendmsg+0x723/0xbe0 [11094.095607][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11094.095607][ T7704] ___sys_sendmsg+0xee/0x170 [11094.095607][ T7704] __sys_sendmsg+0xcd/0x170 [11094.095607][ T7704] do_syscall_64+0xc6/0x1e0 [11094.095607][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11094.095607][ T7704] [11094.098337][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11094.098337][ T7704] neigh_parms_alloc+0x1e5/0x510 [11094.098337][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11094.098337][ T7704] ipv6_find_idev+0x102/0x170 [11094.098337][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11094.098337][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11094.098337][ T7704] netlink_rcv_skb+0x130/0x360 [11094.098337][ T7704] netlink_unicast+0x449/0x710 [11094.098337][ T7704] netlink_sendmsg+0x723/0xbe0 [11094.098337][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11094.098337][ T7704] ___sys_sendmsg+0xee/0x170 [11094.098337][ T7704] __sys_sendmsg+0xcd/0x170 [11094.098337][ T7704] do_syscall_64+0xc6/0x1e0 [11094.098337][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11094.098337][ T7704] [11104.132793][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11104.133302][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11104.133302][ T7704] netdev_get_by_index+0x5e/0x80 [11104.133302][ T7704] fib6_nh_init+0x3d8/0x15b0 [11104.133302][ T7704] ip6_route_info_create+0xf18/0x17d0 [11104.133302][ T7704] ip6_route_add+0x1c/0x140 [11104.133302][ T7704] addrconf_prefix_route+0x2a6/0x430 [11104.133302][ T7704] inet6_addr_add+0x4f8/0xa40 [11104.133302][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11104.133302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11104.133302][ T7704] netlink_rcv_skb+0x130/0x360 [11104.133302][ T7704] netlink_unicast+0x449/0x710 [11104.133302][ T7704] netlink_sendmsg+0x723/0xbe0 [11104.133302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11104.133302][ T7704] ___sys_sendmsg+0xee/0x170 [11104.133302][ T7704] __sys_sendmsg+0xcd/0x170 [11104.133302][ T7704] do_syscall_64+0xc6/0x1e0 [11104.133302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11104.133302][ T7704] [11104.135797][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11104.135797][ T7704] netdev_get_by_index+0x5e/0x80 [11104.135797][ T7704] fib6_nh_init+0x3d8/0x15b0 [11104.135797][ T7704] ip6_route_info_create+0xf18/0x17d0 [11104.135797][ T7704] addrconf_f6i_alloc+0x315/0x560 [11104.135797][ T7704] ipv6_add_addr+0x411/0x2000 [11104.135797][ T7704] inet6_addr_add+0x30e/0xa40 [11104.135797][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11104.135797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11104.135797][ T7704] netlink_rcv_skb+0x130/0x360 [11104.135797][ T7704] netlink_unicast+0x449/0x710 [11104.135797][ T7704] netlink_sendmsg+0x723/0xbe0 [11104.135797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11104.135797][ T7704] ___sys_sendmsg+0xee/0x170 [11104.135797][ T7704] __sys_sendmsg+0xcd/0x170 [11104.135797][ T7704] do_syscall_64+0xc6/0x1e0 [11104.135797][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11104.135797][ T7704] [11104.138293][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11104.138293][ T7704] netdev_get_by_index+0x5e/0x80 [11104.138293][ T7704] fib6_nh_init+0x3d8/0x15b0 [11104.138293][ T7704] ip6_route_info_create+0xf18/0x17d0 [11104.138293][ T7704] ip6_route_add+0x1c/0x140 [11104.138293][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11104.138293][ T7704] addrconf_add_dev+0xe2/0x170 [11104.138293][ T7704] inet6_addr_add+0x12f/0xa40 [11104.138293][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11104.138293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11104.138293][ T7704] netlink_rcv_skb+0x130/0x360 [11104.138293][ T7704] netlink_unicast+0x449/0x710 [11104.138293][ T7704] netlink_sendmsg+0x723/0xbe0 [11104.138293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11104.138293][ T7704] ___sys_sendmsg+0xee/0x170 [11104.138293][ T7704] __sys_sendmsg+0xcd/0x170 [11104.138293][ T7704] do_syscall_64+0xc6/0x1e0 [11104.138293][ T7704] [11104.140778][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11104.140778][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11104.140778][ T7704] ipv6_find_idev+0x102/0x170 [11104.140778][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11104.140778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11104.140778][ T7704] netlink_rcv_skb+0x130/0x360 [11104.140778][ T7704] netlink_unicast+0x449/0x710 [11104.140778][ T7704] netlink_sendmsg+0x723/0xbe0 [11104.140778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11104.140778][ T7704] ___sys_sendmsg+0xee/0x170 [11104.140778][ T7704] __sys_sendmsg+0xcd/0x170 [11104.140778][ T7704] do_syscall_64+0xc6/0x1e0 [11104.140778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11104.140778][ T7704] [11104.142982][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11104.142982][ T7704] neigh_parms_alloc+0x1e5/0x510 [11104.142982][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11104.142982][ T7704] ipv6_find_idev+0x102/0x170 [11104.142982][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11104.142982][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11104.142982][ T7704] netlink_rcv_skb+0x130/0x360 [11104.142982][ T7704] netlink_unicast+0x449/0x710 [11104.142982][ T7704] netlink_sendmsg+0x723/0xbe0 [11104.142982][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11104.142982][ T7704] ___sys_sendmsg+0xee/0x170 [11104.142982][ T7704] __sys_sendmsg+0xcd/0x170 [11104.142982][ T7704] do_syscall_64+0xc6/0x1e0 [11104.142982][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11104.142982][ T7704] [11114.380801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11114.381508][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11114.381508][ T7704] netdev_get_by_index+0x5e/0x80 [11114.381508][ T7704] fib6_nh_init+0x3d8/0x15b0 [11114.381508][ T7704] ip6_route_info_create+0xf18/0x17d0 [11114.381508][ T7704] ip6_route_add+0x1c/0x140 [11114.381508][ T7704] addrconf_prefix_route+0x2a6/0x430 [11114.381508][ T7704] inet6_addr_add+0x4f8/0xa40 [11114.381508][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11114.381508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11114.381508][ T7704] netlink_rcv_skb+0x130/0x360 [11114.381508][ T7704] netlink_unicast+0x449/0x710 [11114.381508][ T7704] netlink_sendmsg+0x723/0xbe0 [11114.381508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11114.381508][ T7704] ___sys_sendmsg+0xee/0x170 [11114.381508][ T7704] __sys_sendmsg+0xcd/0x170 [11114.381508][ T7704] do_syscall_64+0xc6/0x1e0 [11114.381508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11114.381508][ T7704] [11114.384978][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11114.384978][ T7704] netdev_get_by_index+0x5e/0x80 [11114.384978][ T7704] fib6_nh_init+0x3d8/0x15b0 [11114.384978][ T7704] ip6_route_info_create+0xf18/0x17d0 [11114.384978][ T7704] addrconf_f6i_alloc+0x315/0x560 [11114.384978][ T7704] ipv6_add_addr+0x411/0x2000 [11114.384978][ T7704] inet6_addr_add+0x30e/0xa40 [11114.384978][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11114.384978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11114.384978][ T7704] netlink_rcv_skb+0x130/0x360 [11114.384978][ T7704] netlink_unicast+0x449/0x710 [11114.384978][ T7704] netlink_sendmsg+0x723/0xbe0 [11114.384978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11114.384978][ T7704] ___sys_sendmsg+0xee/0x170 [11114.384978][ T7704] __sys_sendmsg+0xcd/0x170 [11114.384978][ T7704] do_syscall_64+0xc6/0x1e0 [11114.384978][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11114.384978][ T7704] [11114.388558][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11114.388558][ T7704] netdev_get_by_index+0x5e/0x80 [11114.388558][ T7704] fib6_nh_init+0x3d8/0x15b0 [11114.388558][ T7704] ip6_route_info_create+0xf18/0x17d0 [11114.388558][ T7704] ip6_route_add+0x1c/0x140 [11114.388558][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11114.388558][ T7704] addrconf_add_dev+0xe2/0x170 [11114.388558][ T7704] inet6_addr_add+0x12f/0xa40 [11114.388558][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11114.388558][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11114.388558][ T7704] netlink_rcv_skb+0x130/0x360 [11114.388558][ T7704] netlink_unicast+0x449/0x710 [11114.388558][ T7704] netlink_sendmsg+0x723/0xbe0 [11114.388558][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11114.388558][ T7704] ___sys_sendmsg+0xee/0x170 [11114.388558][ T7704] __sys_sendmsg+0xcd/0x170 [11114.388558][ T7704] do_syscall_64+0xc6/0x1e0 [11114.388558][ T7704] [11114.392134][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11114.392134][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11114.392134][ T7704] ipv6_find_idev+0x102/0x170 [11114.392134][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11114.392134][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11114.392134][ T7704] netlink_rcv_skb+0x130/0x360 [11114.392134][ T7704] netlink_unicast+0x449/0x710 [11114.392134][ T7704] netlink_sendmsg+0x723/0xbe0 [11114.392134][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11114.392134][ T7704] ___sys_sendmsg+0xee/0x170 [11114.392134][ T7704] __sys_sendmsg+0xcd/0x170 [11114.392134][ T7704] do_syscall_64+0xc6/0x1e0 [11114.392134][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11114.392134][ T7704] [11114.394746][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11114.394746][ T7704] neigh_parms_alloc+0x1e5/0x510 [11114.394746][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11114.394746][ T7704] ipv6_find_idev+0x102/0x170 [11114.394746][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11114.394746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11114.394746][ T7704] netlink_rcv_skb+0x130/0x360 [11114.394746][ T7704] netlink_unicast+0x449/0x710 [11114.394746][ T7704] netlink_sendmsg+0x723/0xbe0 [11114.394746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11114.394746][ T7704] ___sys_sendmsg+0xee/0x170 [11114.394746][ T7704] __sys_sendmsg+0xcd/0x170 [11114.394746][ T7704] do_syscall_64+0xc6/0x1e0 [11114.394746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11114.394746][ T7704] [11124.452770][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11124.453191][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11124.453191][ T7704] netdev_get_by_index+0x5e/0x80 [11124.453191][ T7704] fib6_nh_init+0x3d8/0x15b0 [11124.453191][ T7704] ip6_route_info_create+0xf18/0x17d0 [11124.453191][ T7704] ip6_route_add+0x1c/0x140 [11124.453191][ T7704] addrconf_prefix_route+0x2a6/0x430 [11124.453191][ T7704] inet6_addr_add+0x4f8/0xa40 [11124.453191][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11124.453191][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11124.453191][ T7704] netlink_rcv_skb+0x130/0x360 [11124.453191][ T7704] netlink_unicast+0x449/0x710 [11124.453191][ T7704] netlink_sendmsg+0x723/0xbe0 [11124.453191][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11124.453191][ T7704] ___sys_sendmsg+0xee/0x170 [11124.453191][ T7704] __sys_sendmsg+0xcd/0x170 [11124.453191][ T7704] do_syscall_64+0xc6/0x1e0 [11124.453191][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11124.453191][ T7704] [11124.455462][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11124.455462][ T7704] netdev_get_by_index+0x5e/0x80 [11124.455462][ T7704] fib6_nh_init+0x3d8/0x15b0 [11124.455462][ T7704] ip6_route_info_create+0xf18/0x17d0 [11124.455462][ T7704] addrconf_f6i_alloc+0x315/0x560 [11124.455462][ T7704] ipv6_add_addr+0x411/0x2000 [11124.455462][ T7704] inet6_addr_add+0x30e/0xa40 [11124.455462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11124.455462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11124.455462][ T7704] netlink_rcv_skb+0x130/0x360 [11124.455462][ T7704] netlink_unicast+0x449/0x710 [11124.455462][ T7704] netlink_sendmsg+0x723/0xbe0 [11124.455462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11124.455462][ T7704] ___sys_sendmsg+0xee/0x170 [11124.455462][ T7704] __sys_sendmsg+0xcd/0x170 [11124.455462][ T7704] do_syscall_64+0xc6/0x1e0 [11124.455462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11124.455462][ T7704] [11124.457665][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11124.457665][ T7704] netdev_get_by_index+0x5e/0x80 [11124.457665][ T7704] fib6_nh_init+0x3d8/0x15b0 [11124.457665][ T7704] ip6_route_info_create+0xf18/0x17d0 [11124.457665][ T7704] ip6_route_add+0x1c/0x140 [11124.457665][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11124.457665][ T7704] addrconf_add_dev+0xe2/0x170 [11124.457665][ T7704] inet6_addr_add+0x12f/0xa40 [11124.457665][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11124.457665][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11124.457665][ T7704] netlink_rcv_skb+0x130/0x360 [11124.457665][ T7704] netlink_unicast+0x449/0x710 [11124.457665][ T7704] netlink_sendmsg+0x723/0xbe0 [11124.457665][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11124.457665][ T7704] ___sys_sendmsg+0xee/0x170 [11124.457665][ T7704] __sys_sendmsg+0xcd/0x170 [11124.457665][ T7704] do_syscall_64+0xc6/0x1e0 [11124.457665][ T7704] [11124.459849][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11124.459849][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11124.459849][ T7704] ipv6_find_idev+0x102/0x170 [11124.459849][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11124.459849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11124.459849][ T7704] netlink_rcv_skb+0x130/0x360 [11124.459849][ T7704] netlink_unicast+0x449/0x710 [11124.459849][ T7704] netlink_sendmsg+0x723/0xbe0 [11124.459849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11124.459849][ T7704] ___sys_sendmsg+0xee/0x170 [11124.459849][ T7704] __sys_sendmsg+0xcd/0x170 [11124.459849][ T7704] do_syscall_64+0xc6/0x1e0 [11124.459849][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11124.459849][ T7704] [11124.461548][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11124.461548][ T7704] neigh_parms_alloc+0x1e5/0x510 [11124.461548][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11124.461548][ T7704] ipv6_find_idev+0x102/0x170 [11124.461548][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11124.461548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11124.461548][ T7704] netlink_rcv_skb+0x130/0x360 [11124.461548][ T7704] netlink_unicast+0x449/0x710 [11124.461548][ T7704] netlink_sendmsg+0x723/0xbe0 [11124.461548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11124.461548][ T7704] ___sys_sendmsg+0xee/0x170 [11124.461548][ T7704] __sys_sendmsg+0xcd/0x170 [11124.461548][ T7704] do_syscall_64+0xc6/0x1e0 [11124.461548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11124.461548][ T7704] [11134.596799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11134.597283][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11134.597283][ T7704] netdev_get_by_index+0x5e/0x80 [11134.597283][ T7704] fib6_nh_init+0x3d8/0x15b0 [11134.597283][ T7704] ip6_route_info_create+0xf18/0x17d0 [11134.597283][ T7704] ip6_route_add+0x1c/0x140 [11134.597283][ T7704] addrconf_prefix_route+0x2a6/0x430 [11134.597283][ T7704] inet6_addr_add+0x4f8/0xa40 [11134.597283][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11134.597283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11134.597283][ T7704] netlink_rcv_skb+0x130/0x360 [11134.597283][ T7704] netlink_unicast+0x449/0x710 [11134.597283][ T7704] netlink_sendmsg+0x723/0xbe0 [11134.597283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11134.597283][ T7704] ___sys_sendmsg+0xee/0x170 [11134.597283][ T7704] __sys_sendmsg+0xcd/0x170 [11134.597283][ T7704] do_syscall_64+0xc6/0x1e0 [11134.597283][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11134.597283][ T7704] [11134.599884][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11134.599884][ T7704] netdev_get_by_index+0x5e/0x80 [11134.599884][ T7704] fib6_nh_init+0x3d8/0x15b0 [11134.599884][ T7704] ip6_route_info_create+0xf18/0x17d0 [11134.599884][ T7704] addrconf_f6i_alloc+0x315/0x560 [11134.599884][ T7704] ipv6_add_addr+0x411/0x2000 [11134.599884][ T7704] inet6_addr_add+0x30e/0xa40 [11134.599884][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11134.599884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11134.599884][ T7704] netlink_rcv_skb+0x130/0x360 [11134.599884][ T7704] netlink_unicast+0x449/0x710 [11134.599884][ T7704] netlink_sendmsg+0x723/0xbe0 [11134.599884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11134.599884][ T7704] ___sys_sendmsg+0xee/0x170 [11134.599884][ T7704] __sys_sendmsg+0xcd/0x170 [11134.599884][ T7704] do_syscall_64+0xc6/0x1e0 [11134.599884][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11134.599884][ T7704] [11134.602399][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11134.602399][ T7704] netdev_get_by_index+0x5e/0x80 [11134.602399][ T7704] fib6_nh_init+0x3d8/0x15b0 [11134.602399][ T7704] ip6_route_info_create+0xf18/0x17d0 [11134.602399][ T7704] ip6_route_add+0x1c/0x140 [11134.602399][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11134.602399][ T7704] addrconf_add_dev+0xe2/0x170 [11134.602399][ T7704] inet6_addr_add+0x12f/0xa40 [11134.602399][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11134.602399][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11134.602399][ T7704] netlink_rcv_skb+0x130/0x360 [11134.602399][ T7704] netlink_unicast+0x449/0x710 [11134.602399][ T7704] netlink_sendmsg+0x723/0xbe0 [11134.602399][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11134.602399][ T7704] ___sys_sendmsg+0xee/0x170 [11134.602399][ T7704] __sys_sendmsg+0xcd/0x170 [11134.602399][ T7704] do_syscall_64+0xc6/0x1e0 [11134.602399][ T7704] [11134.604883][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11134.604883][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11134.604883][ T7704] ipv6_find_idev+0x102/0x170 [11134.604883][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11134.604883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11134.604883][ T7704] netlink_rcv_skb+0x130/0x360 [11134.604883][ T7704] netlink_unicast+0x449/0x710 [11134.604883][ T7704] netlink_sendmsg+0x723/0xbe0 [11134.604883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11134.604883][ T7704] ___sys_sendmsg+0xee/0x170 [11134.604883][ T7704] __sys_sendmsg+0xcd/0x170 [11134.604883][ T7704] do_syscall_64+0xc6/0x1e0 [11134.604883][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11134.604883][ T7704] [11134.606841][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11134.606841][ T7704] neigh_parms_alloc+0x1e5/0x510 [11134.606841][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11134.606841][ T7704] ipv6_find_idev+0x102/0x170 [11134.606841][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11134.606841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11134.606841][ T7704] netlink_rcv_skb+0x130/0x360 [11134.606841][ T7704] netlink_unicast+0x449/0x710 [11134.606841][ T7704] netlink_sendmsg+0x723/0xbe0 [11134.606841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11134.606841][ T7704] ___sys_sendmsg+0xee/0x170 [11134.606841][ T7704] __sys_sendmsg+0xcd/0x170 [11134.606841][ T7704] do_syscall_64+0xc6/0x1e0 [11134.606841][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11134.606841][ T7704] [11144.860774][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11144.861364][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11144.861364][ T7704] netdev_get_by_index+0x5e/0x80 [11144.861364][ T7704] fib6_nh_init+0x3d8/0x15b0 [11144.861364][ T7704] ip6_route_info_create+0xf18/0x17d0 [11144.861364][ T7704] ip6_route_add+0x1c/0x140 [11144.861364][ T7704] addrconf_prefix_route+0x2a6/0x430 [11144.861364][ T7704] inet6_addr_add+0x4f8/0xa40 [11144.861364][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11144.861364][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11144.861364][ T7704] netlink_rcv_skb+0x130/0x360 [11144.861364][ T7704] netlink_unicast+0x449/0x710 [11144.861364][ T7704] netlink_sendmsg+0x723/0xbe0 [11144.861364][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11144.861364][ T7704] ___sys_sendmsg+0xee/0x170 [11144.861364][ T7704] __sys_sendmsg+0xcd/0x170 [11144.861364][ T7704] do_syscall_64+0xc6/0x1e0 [11144.861364][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11144.861364][ T7704] [11144.864949][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11144.864949][ T7704] netdev_get_by_index+0x5e/0x80 [11144.864949][ T7704] fib6_nh_init+0x3d8/0x15b0 [11144.864949][ T7704] ip6_route_info_create+0xf18/0x17d0 [11144.864949][ T7704] addrconf_f6i_alloc+0x315/0x560 [11144.864949][ T7704] ipv6_add_addr+0x411/0x2000 [11144.864949][ T7704] inet6_addr_add+0x30e/0xa40 [11144.864949][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11144.864949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11144.864949][ T7704] netlink_rcv_skb+0x130/0x360 [11144.864949][ T7704] netlink_unicast+0x449/0x710 [11144.864949][ T7704] netlink_sendmsg+0x723/0xbe0 [11144.864949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11144.864949][ T7704] ___sys_sendmsg+0xee/0x170 [11144.864949][ T7704] __sys_sendmsg+0xcd/0x170 [11144.864949][ T7704] do_syscall_64+0xc6/0x1e0 [11144.864949][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11144.864949][ T7704] [11144.868611][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11144.868611][ T7704] netdev_get_by_index+0x5e/0x80 [11144.868611][ T7704] fib6_nh_init+0x3d8/0x15b0 [11144.868611][ T7704] ip6_route_info_create+0xf18/0x17d0 [11144.868611][ T7704] ip6_route_add+0x1c/0x140 [11144.868611][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11144.868611][ T7704] addrconf_add_dev+0xe2/0x170 [11144.868611][ T7704] inet6_addr_add+0x12f/0xa40 [11144.868611][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11144.868611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11144.868611][ T7704] netlink_rcv_skb+0x130/0x360 [11144.868611][ T7704] netlink_unicast+0x449/0x710 [11144.868611][ T7704] netlink_sendmsg+0x723/0xbe0 [11144.868611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11144.868611][ T7704] ___sys_sendmsg+0xee/0x170 [11144.868611][ T7704] __sys_sendmsg+0xcd/0x170 [11144.868611][ T7704] do_syscall_64+0xc6/0x1e0 [11144.868611][ T7704] [11144.871435][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11144.871435][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11144.871435][ T7704] ipv6_find_idev+0x102/0x170 [11144.871435][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11144.871435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11144.871435][ T7704] netlink_rcv_skb+0x130/0x360 [11144.871435][ T7704] netlink_unicast+0x449/0x710 [11144.871435][ T7704] netlink_sendmsg+0x723/0xbe0 [11144.871435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11144.871435][ T7704] ___sys_sendmsg+0xee/0x170 [11144.871435][ T7704] __sys_sendmsg+0xcd/0x170 [11144.871435][ T7704] do_syscall_64+0xc6/0x1e0 [11144.871435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11144.871435][ T7704] [11144.873328][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11144.873328][ T7704] neigh_parms_alloc+0x1e5/0x510 [11144.873328][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11144.873328][ T7704] ipv6_find_idev+0x102/0x170 [11144.873328][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11144.873328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11144.873328][ T7704] netlink_rcv_skb+0x130/0x360 [11144.873328][ T7704] netlink_unicast+0x449/0x710 [11144.873328][ T7704] netlink_sendmsg+0x723/0xbe0 [11144.873328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11144.873328][ T7704] ___sys_sendmsg+0xee/0x170 [11144.873328][ T7704] __sys_sendmsg+0xcd/0x170 [11144.873328][ T7704] do_syscall_64+0xc6/0x1e0 [11144.873328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11144.873328][ T7704] [11154.964801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11154.965214][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11154.965214][ T7704] netdev_get_by_index+0x5e/0x80 [11154.965214][ T7704] fib6_nh_init+0x3d8/0x15b0 [11154.965214][ T7704] ip6_route_info_create+0xf18/0x17d0 [11154.965214][ T7704] ip6_route_add+0x1c/0x140 [11154.965214][ T7704] addrconf_prefix_route+0x2a6/0x430 [11154.965214][ T7704] inet6_addr_add+0x4f8/0xa40 [11154.965214][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11154.965214][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11154.965214][ T7704] netlink_rcv_skb+0x130/0x360 [11154.965214][ T7704] netlink_unicast+0x449/0x710 [11154.965214][ T7704] netlink_sendmsg+0x723/0xbe0 [11154.965214][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11154.965214][ T7704] ___sys_sendmsg+0xee/0x170 [11154.965214][ T7704] __sys_sendmsg+0xcd/0x170 [11154.965214][ T7704] do_syscall_64+0xc6/0x1e0 [11154.965214][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11154.965214][ T7704] [11154.967464][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11154.967464][ T7704] netdev_get_by_index+0x5e/0x80 [11154.967464][ T7704] fib6_nh_init+0x3d8/0x15b0 [11154.967464][ T7704] ip6_route_info_create+0xf18/0x17d0 [11154.967464][ T7704] addrconf_f6i_alloc+0x315/0x560 [11154.967464][ T7704] ipv6_add_addr+0x411/0x2000 [11154.967464][ T7704] inet6_addr_add+0x30e/0xa40 [11154.967464][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11154.967464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11154.967464][ T7704] netlink_rcv_skb+0x130/0x360 [11154.967464][ T7704] netlink_unicast+0x449/0x710 [11154.967464][ T7704] netlink_sendmsg+0x723/0xbe0 [11154.967464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11154.967464][ T7704] ___sys_sendmsg+0xee/0x170 [11154.967464][ T7704] __sys_sendmsg+0xcd/0x170 [11154.967464][ T7704] do_syscall_64+0xc6/0x1e0 [11154.967464][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11154.967464][ T7704] [11154.969872][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11154.969872][ T7704] netdev_get_by_index+0x5e/0x80 [11154.969872][ T7704] fib6_nh_init+0x3d8/0x15b0 [11154.969872][ T7704] ip6_route_info_create+0xf18/0x17d0 [11154.969872][ T7704] ip6_route_add+0x1c/0x140 [11154.969872][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11154.969872][ T7704] addrconf_add_dev+0xe2/0x170 [11154.969872][ T7704] inet6_addr_add+0x12f/0xa40 [11154.969872][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11154.969872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11154.969872][ T7704] netlink_rcv_skb+0x130/0x360 [11154.969872][ T7704] netlink_unicast+0x449/0x710 [11154.969872][ T7704] netlink_sendmsg+0x723/0xbe0 [11154.969872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11154.969872][ T7704] ___sys_sendmsg+0xee/0x170 [11154.969872][ T7704] __sys_sendmsg+0xcd/0x170 [11154.969872][ T7704] do_syscall_64+0xc6/0x1e0 [11154.969872][ T7704] [11154.972072][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11154.972072][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11154.972072][ T7704] ipv6_find_idev+0x102/0x170 [11154.972072][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11154.972072][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11154.972072][ T7704] netlink_rcv_skb+0x130/0x360 [11154.972072][ T7704] netlink_unicast+0x449/0x710 [11154.972072][ T7704] netlink_sendmsg+0x723/0xbe0 [11154.972072][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11154.972072][ T7704] ___sys_sendmsg+0xee/0x170 [11154.972072][ T7704] __sys_sendmsg+0xcd/0x170 [11154.972072][ T7704] do_syscall_64+0xc6/0x1e0 [11154.972072][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11154.972072][ T7704] [11154.973778][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11154.973778][ T7704] neigh_parms_alloc+0x1e5/0x510 [11154.973778][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11154.973778][ T7704] ipv6_find_idev+0x102/0x170 [11154.973778][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11154.973778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11154.973778][ T7704] netlink_rcv_skb+0x130/0x360 [11154.973778][ T7704] netlink_unicast+0x449/0x710 [11154.973778][ T7704] netlink_sendmsg+0x723/0xbe0 [11154.973778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11154.973778][ T7704] ___sys_sendmsg+0xee/0x170 [11154.973778][ T7704] __sys_sendmsg+0xcd/0x170 [11154.973778][ T7704] do_syscall_64+0xc6/0x1e0 [11154.973778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11154.973778][ T7704] [11165.212801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11165.213326][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11165.213326][ T7704] netdev_get_by_index+0x5e/0x80 [11165.213326][ T7704] fib6_nh_init+0x3d8/0x15b0 [11165.213326][ T7704] ip6_route_info_create+0xf18/0x17d0 [11165.213326][ T7704] ip6_route_add+0x1c/0x140 [11165.213326][ T7704] addrconf_prefix_route+0x2a6/0x430 [11165.213326][ T7704] inet6_addr_add+0x4f8/0xa40 [11165.213326][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11165.213326][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11165.213326][ T7704] netlink_rcv_skb+0x130/0x360 [11165.213326][ T7704] netlink_unicast+0x449/0x710 [11165.213326][ T7704] netlink_sendmsg+0x723/0xbe0 [11165.213326][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11165.213326][ T7704] ___sys_sendmsg+0xee/0x170 [11165.213326][ T7704] __sys_sendmsg+0xcd/0x170 [11165.213326][ T7704] do_syscall_64+0xc6/0x1e0 [11165.213326][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11165.213326][ T7704] [11165.215728][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11165.215728][ T7704] netdev_get_by_index+0x5e/0x80 [11165.215728][ T7704] fib6_nh_init+0x3d8/0x15b0 [11165.215728][ T7704] ip6_route_info_create+0xf18/0x17d0 [11165.215728][ T7704] addrconf_f6i_alloc+0x315/0x560 [11165.215728][ T7704] ipv6_add_addr+0x411/0x2000 [11165.215728][ T7704] inet6_addr_add+0x30e/0xa40 [11165.215728][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11165.215728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11165.215728][ T7704] netlink_rcv_skb+0x130/0x360 [11165.215728][ T7704] netlink_unicast+0x449/0x710 [11165.215728][ T7704] netlink_sendmsg+0x723/0xbe0 [11165.215728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11165.215728][ T7704] ___sys_sendmsg+0xee/0x170 [11165.215728][ T7704] __sys_sendmsg+0xcd/0x170 [11165.215728][ T7704] do_syscall_64+0xc6/0x1e0 [11165.215728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11165.215728][ T7704] [11165.218078][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11165.218078][ T7704] netdev_get_by_index+0x5e/0x80 [11165.218078][ T7704] fib6_nh_init+0x3d8/0x15b0 [11165.218078][ T7704] ip6_route_info_create+0xf18/0x17d0 [11165.218078][ T7704] ip6_route_add+0x1c/0x140 [11165.218078][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11165.218078][ T7704] addrconf_add_dev+0xe2/0x170 [11165.218078][ T7704] inet6_addr_add+0x12f/0xa40 [11165.218078][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11165.218078][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11165.218078][ T7704] netlink_rcv_skb+0x130/0x360 [11165.218078][ T7704] netlink_unicast+0x449/0x710 [11165.218078][ T7704] netlink_sendmsg+0x723/0xbe0 [11165.218078][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11165.218078][ T7704] ___sys_sendmsg+0xee/0x170 [11165.218078][ T7704] __sys_sendmsg+0xcd/0x170 [11165.218078][ T7704] do_syscall_64+0xc6/0x1e0 [11165.218078][ T7704] [11165.220480][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11165.220480][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11165.220480][ T7704] ipv6_find_idev+0x102/0x170 [11165.220480][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11165.220480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11165.220480][ T7704] netlink_rcv_skb+0x130/0x360 [11165.220480][ T7704] netlink_unicast+0x449/0x710 [11165.220480][ T7704] netlink_sendmsg+0x723/0xbe0 [11165.220480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11165.220480][ T7704] ___sys_sendmsg+0xee/0x170 [11165.220480][ T7704] __sys_sendmsg+0xcd/0x170 [11165.220480][ T7704] do_syscall_64+0xc6/0x1e0 [11165.220480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11165.220480][ T7704] [11165.222244][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11165.222244][ T7704] neigh_parms_alloc+0x1e5/0x510 [11165.222244][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11165.222244][ T7704] ipv6_find_idev+0x102/0x170 [11165.222244][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11165.222244][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11165.222244][ T7704] netlink_rcv_skb+0x130/0x360 [11165.222244][ T7704] netlink_unicast+0x449/0x710 [11165.222244][ T7704] netlink_sendmsg+0x723/0xbe0 [11165.222244][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11165.222244][ T7704] ___sys_sendmsg+0xee/0x170 [11165.222244][ T7704] __sys_sendmsg+0xcd/0x170 [11165.222244][ T7704] do_syscall_64+0xc6/0x1e0 [11165.222244][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11165.222244][ T7704] [11175.460798][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11175.461504][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11175.461504][ T7704] netdev_get_by_index+0x5e/0x80 [11175.461504][ T7704] fib6_nh_init+0x3d8/0x15b0 [11175.461504][ T7704] ip6_route_info_create+0xf18/0x17d0 [11175.461504][ T7704] ip6_route_add+0x1c/0x140 [11175.461504][ T7704] addrconf_prefix_route+0x2a6/0x430 [11175.461504][ T7704] inet6_addr_add+0x4f8/0xa40 [11175.461504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11175.461504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11175.461504][ T7704] netlink_rcv_skb+0x130/0x360 [11175.461504][ T7704] netlink_unicast+0x449/0x710 [11175.461504][ T7704] netlink_sendmsg+0x723/0xbe0 [11175.461504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11175.461504][ T7704] ___sys_sendmsg+0xee/0x170 [11175.461504][ T7704] __sys_sendmsg+0xcd/0x170 [11175.461504][ T7704] do_syscall_64+0xc6/0x1e0 [11175.461504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11175.461504][ T7704] [11175.464923][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11175.464923][ T7704] netdev_get_by_index+0x5e/0x80 [11175.464923][ T7704] fib6_nh_init+0x3d8/0x15b0 [11175.464923][ T7704] ip6_route_info_create+0xf18/0x17d0 [11175.464923][ T7704] addrconf_f6i_alloc+0x315/0x560 [11175.464923][ T7704] ipv6_add_addr+0x411/0x2000 [11175.464923][ T7704] inet6_addr_add+0x30e/0xa40 [11175.464923][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11175.464923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11175.464923][ T7704] netlink_rcv_skb+0x130/0x360 [11175.464923][ T7704] netlink_unicast+0x449/0x710 [11175.464923][ T7704] netlink_sendmsg+0x723/0xbe0 [11175.464923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11175.464923][ T7704] ___sys_sendmsg+0xee/0x170 [11175.464923][ T7704] __sys_sendmsg+0xcd/0x170 [11175.464923][ T7704] do_syscall_64+0xc6/0x1e0 [11175.464923][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11175.464923][ T7704] [11175.468449][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11175.468449][ T7704] netdev_get_by_index+0x5e/0x80 [11175.468449][ T7704] fib6_nh_init+0x3d8/0x15b0 [11175.468449][ T7704] ip6_route_info_create+0xf18/0x17d0 [11175.468449][ T7704] ip6_route_add+0x1c/0x140 [11175.468449][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11175.468449][ T7704] addrconf_add_dev+0xe2/0x170 [11175.468449][ T7704] inet6_addr_add+0x12f/0xa40 [11175.468449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11175.468449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11175.468449][ T7704] netlink_rcv_skb+0x130/0x360 [11175.468449][ T7704] netlink_unicast+0x449/0x710 [11175.468449][ T7704] netlink_sendmsg+0x723/0xbe0 [11175.468449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11175.468449][ T7704] ___sys_sendmsg+0xee/0x170 [11175.468449][ T7704] __sys_sendmsg+0xcd/0x170 [11175.468449][ T7704] do_syscall_64+0xc6/0x1e0 [11175.468449][ T7704] [11175.471847][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11175.471847][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11175.471847][ T7704] ipv6_find_idev+0x102/0x170 [11175.471847][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11175.471847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11175.471847][ T7704] netlink_rcv_skb+0x130/0x360 [11175.471847][ T7704] netlink_unicast+0x449/0x710 [11175.471847][ T7704] netlink_sendmsg+0x723/0xbe0 [11175.471847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11175.471847][ T7704] ___sys_sendmsg+0xee/0x170 [11175.471847][ T7704] __sys_sendmsg+0xcd/0x170 [11175.471847][ T7704] do_syscall_64+0xc6/0x1e0 [11175.471847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11175.471847][ T7704] [11175.474497][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11175.474497][ T7704] neigh_parms_alloc+0x1e5/0x510 [11175.474497][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11175.474497][ T7704] ipv6_find_idev+0x102/0x170 [11175.474497][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11175.474497][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11175.474497][ T7704] netlink_rcv_skb+0x130/0x360 [11175.474497][ T7704] netlink_unicast+0x449/0x710 [11175.474497][ T7704] netlink_sendmsg+0x723/0xbe0 [11175.474497][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11175.474497][ T7704] ___sys_sendmsg+0xee/0x170 [11175.474497][ T7704] __sys_sendmsg+0xcd/0x170 [11175.474497][ T7704] do_syscall_64+0xc6/0x1e0 [11175.474497][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11175.474497][ T7704] [11185.716787][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11185.717227][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11185.717227][ T7704] netdev_get_by_index+0x5e/0x80 [11185.717227][ T7704] fib6_nh_init+0x3d8/0x15b0 [11185.717227][ T7704] ip6_route_info_create+0xf18/0x17d0 [11185.717227][ T7704] ip6_route_add+0x1c/0x140 [11185.717227][ T7704] addrconf_prefix_route+0x2a6/0x430 [11185.717227][ T7704] inet6_addr_add+0x4f8/0xa40 [11185.717227][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11185.717227][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11185.717227][ T7704] netlink_rcv_skb+0x130/0x360 [11185.717227][ T7704] netlink_unicast+0x449/0x710 [11185.717227][ T7704] netlink_sendmsg+0x723/0xbe0 [11185.717227][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11185.717227][ T7704] ___sys_sendmsg+0xee/0x170 [11185.717227][ T7704] __sys_sendmsg+0xcd/0x170 [11185.717227][ T7704] do_syscall_64+0xc6/0x1e0 [11185.717227][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11185.717227][ T7704] [11185.719524][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11185.719524][ T7704] netdev_get_by_index+0x5e/0x80 [11185.719524][ T7704] fib6_nh_init+0x3d8/0x15b0 [11185.719524][ T7704] ip6_route_info_create+0xf18/0x17d0 [11185.719524][ T7704] addrconf_f6i_alloc+0x315/0x560 [11185.719524][ T7704] ipv6_add_addr+0x411/0x2000 [11185.719524][ T7704] inet6_addr_add+0x30e/0xa40 [11185.719524][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11185.719524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11185.719524][ T7704] netlink_rcv_skb+0x130/0x360 [11185.719524][ T7704] netlink_unicast+0x449/0x710 [11185.719524][ T7704] netlink_sendmsg+0x723/0xbe0 [11185.719524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11185.719524][ T7704] ___sys_sendmsg+0xee/0x170 [11185.719524][ T7704] __sys_sendmsg+0xcd/0x170 [11185.719524][ T7704] do_syscall_64+0xc6/0x1e0 [11185.719524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11185.719524][ T7704] [11185.721757][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11185.721757][ T7704] netdev_get_by_index+0x5e/0x80 [11185.721757][ T7704] fib6_nh_init+0x3d8/0x15b0 [11185.721757][ T7704] ip6_route_info_create+0xf18/0x17d0 [11185.721757][ T7704] ip6_route_add+0x1c/0x140 [11185.721757][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11185.721757][ T7704] addrconf_add_dev+0xe2/0x170 [11185.721757][ T7704] inet6_addr_add+0x12f/0xa40 [11185.721757][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11185.721757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11185.721757][ T7704] netlink_rcv_skb+0x130/0x360 [11185.721757][ T7704] netlink_unicast+0x449/0x710 [11185.721757][ T7704] netlink_sendmsg+0x723/0xbe0 [11185.721757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11185.721757][ T7704] ___sys_sendmsg+0xee/0x170 [11185.721757][ T7704] __sys_sendmsg+0xcd/0x170 [11185.721757][ T7704] do_syscall_64+0xc6/0x1e0 [11185.721757][ T7704] [11185.723960][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11185.723960][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11185.723960][ T7704] ipv6_find_idev+0x102/0x170 [11185.723960][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11185.723960][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11185.723960][ T7704] netlink_rcv_skb+0x130/0x360 [11185.723960][ T7704] netlink_unicast+0x449/0x710 [11185.723960][ T7704] netlink_sendmsg+0x723/0xbe0 [11185.723960][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11185.723960][ T7704] ___sys_sendmsg+0xee/0x170 [11185.723960][ T7704] __sys_sendmsg+0xcd/0x170 [11185.723960][ T7704] do_syscall_64+0xc6/0x1e0 [11185.723960][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11185.723960][ T7704] [11185.725678][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11185.725678][ T7704] neigh_parms_alloc+0x1e5/0x510 [11185.725678][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11185.725678][ T7704] ipv6_find_idev+0x102/0x170 [11185.725678][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11185.725678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11185.725678][ T7704] netlink_rcv_skb+0x130/0x360 [11185.725678][ T7704] netlink_unicast+0x449/0x710 [11185.725678][ T7704] netlink_sendmsg+0x723/0xbe0 [11185.725678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11185.725678][ T7704] ___sys_sendmsg+0xee/0x170 [11185.725678][ T7704] __sys_sendmsg+0xcd/0x170 [11185.725678][ T7704] do_syscall_64+0xc6/0x1e0 [11185.725678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11185.725678][ T7704] [11195.964789][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11195.965397][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11195.965397][ T7704] netdev_get_by_index+0x5e/0x80 [11195.965397][ T7704] fib6_nh_init+0x3d8/0x15b0 [11195.965397][ T7704] ip6_route_info_create+0xf18/0x17d0 [11195.965397][ T7704] ip6_route_add+0x1c/0x140 [11195.965397][ T7704] addrconf_prefix_route+0x2a6/0x430 [11195.965397][ T7704] inet6_addr_add+0x4f8/0xa40 [11195.965397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11195.965397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11195.965397][ T7704] netlink_rcv_skb+0x130/0x360 [11195.965397][ T7704] netlink_unicast+0x449/0x710 [11195.965397][ T7704] netlink_sendmsg+0x723/0xbe0 [11195.965397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11195.965397][ T7704] ___sys_sendmsg+0xee/0x170 [11195.965397][ T7704] __sys_sendmsg+0xcd/0x170 [11195.965397][ T7704] do_syscall_64+0xc6/0x1e0 [11195.965397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11195.965397][ T7704] [11195.968867][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11195.968867][ T7704] netdev_get_by_index+0x5e/0x80 [11195.968867][ T7704] fib6_nh_init+0x3d8/0x15b0 [11195.968867][ T7704] ip6_route_info_create+0xf18/0x17d0 [11195.968867][ T7704] addrconf_f6i_alloc+0x315/0x560 [11195.968867][ T7704] ipv6_add_addr+0x411/0x2000 [11195.968867][ T7704] inet6_addr_add+0x30e/0xa40 [11195.968867][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11195.968867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11195.968867][ T7704] netlink_rcv_skb+0x130/0x360 [11195.968867][ T7704] netlink_unicast+0x449/0x710 [11195.968867][ T7704] netlink_sendmsg+0x723/0xbe0 [11195.968867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11195.968867][ T7704] ___sys_sendmsg+0xee/0x170 [11195.968867][ T7704] __sys_sendmsg+0xcd/0x170 [11195.968867][ T7704] do_syscall_64+0xc6/0x1e0 [11195.968867][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11195.968867][ T7704] [11195.972321][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11195.972321][ T7704] netdev_get_by_index+0x5e/0x80 [11195.972321][ T7704] fib6_nh_init+0x3d8/0x15b0 [11195.972321][ T7704] ip6_route_info_create+0xf18/0x17d0 [11195.972321][ T7704] ip6_route_add+0x1c/0x140 [11195.972321][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11195.972321][ T7704] addrconf_add_dev+0xe2/0x170 [11195.972321][ T7704] inet6_addr_add+0x12f/0xa40 [11195.972321][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11195.972321][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11195.972321][ T7704] netlink_rcv_skb+0x130/0x360 [11195.972321][ T7704] netlink_unicast+0x449/0x710 [11195.972321][ T7704] netlink_sendmsg+0x723/0xbe0 [11195.972321][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11195.972321][ T7704] ___sys_sendmsg+0xee/0x170 [11195.972321][ T7704] __sys_sendmsg+0xcd/0x170 [11195.972321][ T7704] do_syscall_64+0xc6/0x1e0 [11195.972321][ T7704] [11195.975327][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11195.975327][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11195.975327][ T7704] ipv6_find_idev+0x102/0x170 [11195.975327][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11195.975327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11195.975327][ T7704] netlink_rcv_skb+0x130/0x360 [11195.975327][ T7704] netlink_unicast+0x449/0x710 [11195.975327][ T7704] netlink_sendmsg+0x723/0xbe0 [11195.975327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11195.975327][ T7704] ___sys_sendmsg+0xee/0x170 [11195.975327][ T7704] __sys_sendmsg+0xcd/0x170 [11195.975327][ T7704] do_syscall_64+0xc6/0x1e0 [11195.975327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11195.975327][ T7704] [11195.977876][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11195.977876][ T7704] neigh_parms_alloc+0x1e5/0x510 [11195.977876][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11195.977876][ T7704] ipv6_find_idev+0x102/0x170 [11195.977876][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11195.977876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11195.977876][ T7704] netlink_rcv_skb+0x130/0x360 [11195.977876][ T7704] netlink_unicast+0x449/0x710 [11195.977876][ T7704] netlink_sendmsg+0x723/0xbe0 [11195.977876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11195.977876][ T7704] ___sys_sendmsg+0xee/0x170 [11195.977876][ T7704] __sys_sendmsg+0xcd/0x170 [11195.977876][ T7704] do_syscall_64+0xc6/0x1e0 [11195.977876][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11195.977876][ T7704] [11206.076825][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11206.077282][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11206.077282][ T7704] netdev_get_by_index+0x5e/0x80 [11206.077282][ T7704] fib6_nh_init+0x3d8/0x15b0 [11206.077282][ T7704] ip6_route_info_create+0xf18/0x17d0 [11206.077282][ T7704] ip6_route_add+0x1c/0x140 [11206.077282][ T7704] addrconf_prefix_route+0x2a6/0x430 [11206.077282][ T7704] inet6_addr_add+0x4f8/0xa40 [11206.077282][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11206.077282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11206.077282][ T7704] netlink_rcv_skb+0x130/0x360 [11206.077282][ T7704] netlink_unicast+0x449/0x710 [11206.077282][ T7704] netlink_sendmsg+0x723/0xbe0 [11206.077282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11206.077282][ T7704] ___sys_sendmsg+0xee/0x170 [11206.077282][ T7704] __sys_sendmsg+0xcd/0x170 [11206.077282][ T7704] do_syscall_64+0xc6/0x1e0 [11206.077282][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11206.077282][ T7704] [11206.079647][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11206.079647][ T7704] netdev_get_by_index+0x5e/0x80 [11206.079647][ T7704] fib6_nh_init+0x3d8/0x15b0 [11206.079647][ T7704] ip6_route_info_create+0xf18/0x17d0 [11206.079647][ T7704] addrconf_f6i_alloc+0x315/0x560 [11206.079647][ T7704] ipv6_add_addr+0x411/0x2000 [11206.079647][ T7704] inet6_addr_add+0x30e/0xa40 [11206.079647][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11206.079647][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11206.079647][ T7704] netlink_rcv_skb+0x130/0x360 [11206.079647][ T7704] netlink_unicast+0x449/0x710 [11206.079647][ T7704] netlink_sendmsg+0x723/0xbe0 [11206.079647][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11206.079647][ T7704] ___sys_sendmsg+0xee/0x170 [11206.079647][ T7704] __sys_sendmsg+0xcd/0x170 [11206.079647][ T7704] do_syscall_64+0xc6/0x1e0 [11206.079647][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11206.079647][ T7704] [11206.081902][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11206.081902][ T7704] netdev_get_by_index+0x5e/0x80 [11206.081902][ T7704] fib6_nh_init+0x3d8/0x15b0 [11206.081902][ T7704] ip6_route_info_create+0xf18/0x17d0 [11206.081902][ T7704] ip6_route_add+0x1c/0x140 [11206.081902][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11206.081902][ T7704] addrconf_add_dev+0xe2/0x170 [11206.081902][ T7704] inet6_addr_add+0x12f/0xa40 [11206.081902][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11206.081902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11206.081902][ T7704] netlink_rcv_skb+0x130/0x360 [11206.081902][ T7704] netlink_unicast+0x449/0x710 [11206.081902][ T7704] netlink_sendmsg+0x723/0xbe0 [11206.081902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11206.081902][ T7704] ___sys_sendmsg+0xee/0x170 [11206.081902][ T7704] __sys_sendmsg+0xcd/0x170 [11206.081902][ T7704] do_syscall_64+0xc6/0x1e0 [11206.081902][ T7704] [11206.084102][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11206.084102][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11206.084102][ T7704] ipv6_find_idev+0x102/0x170 [11206.084102][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11206.084102][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11206.084102][ T7704] netlink_rcv_skb+0x130/0x360 [11206.084102][ T7704] netlink_unicast+0x449/0x710 [11206.084102][ T7704] netlink_sendmsg+0x723/0xbe0 [11206.084102][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11206.084102][ T7704] ___sys_sendmsg+0xee/0x170 [11206.084102][ T7704] __sys_sendmsg+0xcd/0x170 [11206.084102][ T7704] do_syscall_64+0xc6/0x1e0 [11206.084102][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11206.084102][ T7704] [11206.085831][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11206.085831][ T7704] neigh_parms_alloc+0x1e5/0x510 [11206.085831][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11206.085831][ T7704] ipv6_find_idev+0x102/0x170 [11206.085831][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11206.085831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11206.085831][ T7704] netlink_rcv_skb+0x130/0x360 [11206.085831][ T7704] netlink_unicast+0x449/0x710 [11206.085831][ T7704] netlink_sendmsg+0x723/0xbe0 [11206.085831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11206.085831][ T7704] ___sys_sendmsg+0xee/0x170 [11206.085831][ T7704] __sys_sendmsg+0xcd/0x170 [11206.085831][ T7704] do_syscall_64+0xc6/0x1e0 [11206.085831][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11206.085831][ T7704] [11216.124801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11216.125503][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11216.125503][ T7704] netdev_get_by_index+0x5e/0x80 [11216.125503][ T7704] fib6_nh_init+0x3d8/0x15b0 [11216.125503][ T7704] ip6_route_info_create+0xf18/0x17d0 [11216.125503][ T7704] ip6_route_add+0x1c/0x140 [11216.125503][ T7704] addrconf_prefix_route+0x2a6/0x430 [11216.125503][ T7704] inet6_addr_add+0x4f8/0xa40 [11216.125503][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11216.125503][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11216.125503][ T7704] netlink_rcv_skb+0x130/0x360 [11216.125503][ T7704] netlink_unicast+0x449/0x710 [11216.125503][ T7704] netlink_sendmsg+0x723/0xbe0 [11216.125503][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11216.125503][ T7704] ___sys_sendmsg+0xee/0x170 [11216.125503][ T7704] __sys_sendmsg+0xcd/0x170 [11216.125503][ T7704] do_syscall_64+0xc6/0x1e0 [11216.125503][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11216.125503][ T7704] [11216.128912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11216.128912][ T7704] netdev_get_by_index+0x5e/0x80 [11216.128912][ T7704] fib6_nh_init+0x3d8/0x15b0 [11216.128912][ T7704] ip6_route_info_create+0xf18/0x17d0 [11216.128912][ T7704] addrconf_f6i_alloc+0x315/0x560 [11216.128912][ T7704] ipv6_add_addr+0x411/0x2000 [11216.128912][ T7704] inet6_addr_add+0x30e/0xa40 [11216.128912][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11216.128912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11216.128912][ T7704] netlink_rcv_skb+0x130/0x360 [11216.128912][ T7704] netlink_unicast+0x449/0x710 [11216.128912][ T7704] netlink_sendmsg+0x723/0xbe0 [11216.128912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11216.128912][ T7704] ___sys_sendmsg+0xee/0x170 [11216.128912][ T7704] __sys_sendmsg+0xcd/0x170 [11216.128912][ T7704] do_syscall_64+0xc6/0x1e0 [11216.128912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11216.128912][ T7704] [11216.132159][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11216.132159][ T7704] netdev_get_by_index+0x5e/0x80 [11216.132159][ T7704] fib6_nh_init+0x3d8/0x15b0 [11216.132159][ T7704] ip6_route_info_create+0xf18/0x17d0 [11216.132159][ T7704] ip6_route_add+0x1c/0x140 [11216.132159][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11216.132159][ T7704] addrconf_add_dev+0xe2/0x170 [11216.132159][ T7704] inet6_addr_add+0x12f/0xa40 [11216.132159][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11216.132159][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11216.132159][ T7704] netlink_rcv_skb+0x130/0x360 [11216.132159][ T7704] netlink_unicast+0x449/0x710 [11216.132159][ T7704] netlink_sendmsg+0x723/0xbe0 [11216.132159][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11216.132159][ T7704] ___sys_sendmsg+0xee/0x170 [11216.132159][ T7704] __sys_sendmsg+0xcd/0x170 [11216.132159][ T7704] do_syscall_64+0xc6/0x1e0 [11216.132159][ T7704] [11216.135573][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11216.135573][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11216.135573][ T7704] ipv6_find_idev+0x102/0x170 [11216.135573][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11216.135573][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11216.135573][ T7704] netlink_rcv_skb+0x130/0x360 [11216.135573][ T7704] netlink_unicast+0x449/0x710 [11216.135573][ T7704] netlink_sendmsg+0x723/0xbe0 [11216.135573][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11216.135573][ T7704] ___sys_sendmsg+0xee/0x170 [11216.135573][ T7704] __sys_sendmsg+0xcd/0x170 [11216.135573][ T7704] do_syscall_64+0xc6/0x1e0 [11216.135573][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11216.135573][ T7704] [11216.138104][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11216.138104][ T7704] neigh_parms_alloc+0x1e5/0x510 [11216.138104][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11216.138104][ T7704] ipv6_find_idev+0x102/0x170 [11216.138104][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11216.138104][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11216.138104][ T7704] netlink_rcv_skb+0x130/0x360 [11216.138104][ T7704] netlink_unicast+0x449/0x710 [11216.138104][ T7704] netlink_sendmsg+0x723/0xbe0 [11216.138104][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11216.138104][ T7704] ___sys_sendmsg+0xee/0x170 [11216.138104][ T7704] __sys_sendmsg+0xcd/0x170 [11216.138104][ T7704] do_syscall_64+0xc6/0x1e0 [11216.138104][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11216.138104][ T7704] [11226.260806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11226.261311][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11226.261311][ T7704] netdev_get_by_index+0x5e/0x80 [11226.261311][ T7704] fib6_nh_init+0x3d8/0x15b0 [11226.261311][ T7704] ip6_route_info_create+0xf18/0x17d0 [11226.261311][ T7704] ip6_route_add+0x1c/0x140 [11226.261311][ T7704] addrconf_prefix_route+0x2a6/0x430 [11226.261311][ T7704] inet6_addr_add+0x4f8/0xa40 [11226.261311][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11226.261311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11226.261311][ T7704] netlink_rcv_skb+0x130/0x360 [11226.261311][ T7704] netlink_unicast+0x449/0x710 [11226.261311][ T7704] netlink_sendmsg+0x723/0xbe0 [11226.261311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11226.261311][ T7704] ___sys_sendmsg+0xee/0x170 [11226.261311][ T7704] __sys_sendmsg+0xcd/0x170 [11226.261311][ T7704] do_syscall_64+0xc6/0x1e0 [11226.261311][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11226.261311][ T7704] [11226.263590][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11226.263590][ T7704] netdev_get_by_index+0x5e/0x80 [11226.263590][ T7704] fib6_nh_init+0x3d8/0x15b0 [11226.263590][ T7704] ip6_route_info_create+0xf18/0x17d0 [11226.263590][ T7704] addrconf_f6i_alloc+0x315/0x560 [11226.263590][ T7704] ipv6_add_addr+0x411/0x2000 [11226.263590][ T7704] inet6_addr_add+0x30e/0xa40 [11226.263590][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11226.263590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11226.263590][ T7704] netlink_rcv_skb+0x130/0x360 [11226.263590][ T7704] netlink_unicast+0x449/0x710 [11226.263590][ T7704] netlink_sendmsg+0x723/0xbe0 [11226.263590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11226.263590][ T7704] ___sys_sendmsg+0xee/0x170 [11226.263590][ T7704] __sys_sendmsg+0xcd/0x170 [11226.263590][ T7704] do_syscall_64+0xc6/0x1e0 [11226.263590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11226.263590][ T7704] [11226.265826][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11226.265826][ T7704] netdev_get_by_index+0x5e/0x80 [11226.265826][ T7704] fib6_nh_init+0x3d8/0x15b0 [11226.265826][ T7704] ip6_route_info_create+0xf18/0x17d0 [11226.265826][ T7704] ip6_route_add+0x1c/0x140 [11226.265826][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11226.265826][ T7704] addrconf_add_dev+0xe2/0x170 [11226.265826][ T7704] inet6_addr_add+0x12f/0xa40 [11226.265826][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11226.265826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11226.265826][ T7704] netlink_rcv_skb+0x130/0x360 [11226.265826][ T7704] netlink_unicast+0x449/0x710 [11226.265826][ T7704] netlink_sendmsg+0x723/0xbe0 [11226.265826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11226.265826][ T7704] ___sys_sendmsg+0xee/0x170 [11226.265826][ T7704] __sys_sendmsg+0xcd/0x170 [11226.265826][ T7704] do_syscall_64+0xc6/0x1e0 [11226.265826][ T7704] [11226.268691][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11226.268691][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11226.268691][ T7704] ipv6_find_idev+0x102/0x170 [11226.268691][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11226.268691][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11226.268691][ T7704] netlink_rcv_skb+0x130/0x360 [11226.268691][ T7704] netlink_unicast+0x449/0x710 [11226.268691][ T7704] netlink_sendmsg+0x723/0xbe0 [11226.268691][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11226.268691][ T7704] ___sys_sendmsg+0xee/0x170 [11226.268691][ T7704] __sys_sendmsg+0xcd/0x170 [11226.268691][ T7704] do_syscall_64+0xc6/0x1e0 [11226.268691][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11226.268691][ T7704] [11226.270424][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11226.270424][ T7704] neigh_parms_alloc+0x1e5/0x510 [11226.270424][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11226.270424][ T7704] ipv6_find_idev+0x102/0x170 [11226.270424][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11226.270424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11226.270424][ T7704] netlink_rcv_skb+0x130/0x360 [11226.270424][ T7704] netlink_unicast+0x449/0x710 [11226.270424][ T7704] netlink_sendmsg+0x723/0xbe0 [11226.270424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11226.270424][ T7704] ___sys_sendmsg+0xee/0x170 [11226.270424][ T7704] __sys_sendmsg+0xcd/0x170 [11226.270424][ T7704] do_syscall_64+0xc6/0x1e0 [11226.270424][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11226.270424][ T7704] [11236.372873][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11236.373436][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11236.373436][ T7704] netdev_get_by_index+0x5e/0x80 [11236.373436][ T7704] fib6_nh_init+0x3d8/0x15b0 [11236.373436][ T7704] ip6_route_info_create+0xf18/0x17d0 [11236.373436][ T7704] ip6_route_add+0x1c/0x140 [11236.373436][ T7704] addrconf_prefix_route+0x2a6/0x430 [11236.373436][ T7704] inet6_addr_add+0x4f8/0xa40 [11236.373436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11236.373436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11236.373436][ T7704] netlink_rcv_skb+0x130/0x360 [11236.373436][ T7704] netlink_unicast+0x449/0x710 [11236.373436][ T7704] netlink_sendmsg+0x723/0xbe0 [11236.373436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11236.373436][ T7704] ___sys_sendmsg+0xee/0x170 [11236.373436][ T7704] __sys_sendmsg+0xcd/0x170 [11236.373436][ T7704] do_syscall_64+0xc6/0x1e0 [11236.373436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11236.373436][ T7704] [11236.375720][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11236.375720][ T7704] netdev_get_by_index+0x5e/0x80 [11236.375720][ T7704] fib6_nh_init+0x3d8/0x15b0 [11236.375720][ T7704] ip6_route_info_create+0xf18/0x17d0 [11236.375720][ T7704] addrconf_f6i_alloc+0x315/0x560 [11236.375720][ T7704] ipv6_add_addr+0x411/0x2000 [11236.375720][ T7704] inet6_addr_add+0x30e/0xa40 [11236.375720][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11236.375720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11236.375720][ T7704] netlink_rcv_skb+0x130/0x360 [11236.375720][ T7704] netlink_unicast+0x449/0x710 [11236.375720][ T7704] netlink_sendmsg+0x723/0xbe0 [11236.375720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11236.375720][ T7704] ___sys_sendmsg+0xee/0x170 [11236.375720][ T7704] __sys_sendmsg+0xcd/0x170 [11236.375720][ T7704] do_syscall_64+0xc6/0x1e0 [11236.375720][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11236.375720][ T7704] [11236.377963][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11236.377963][ T7704] netdev_get_by_index+0x5e/0x80 [11236.377963][ T7704] fib6_nh_init+0x3d8/0x15b0 [11236.377963][ T7704] ip6_route_info_create+0xf18/0x17d0 [11236.377963][ T7704] ip6_route_add+0x1c/0x140 [11236.377963][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11236.377963][ T7704] addrconf_add_dev+0xe2/0x170 [11236.377963][ T7704] inet6_addr_add+0x12f/0xa40 [11236.377963][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11236.377963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11236.377963][ T7704] netlink_rcv_skb+0x130/0x360 [11236.377963][ T7704] netlink_unicast+0x449/0x710 [11236.377963][ T7704] netlink_sendmsg+0x723/0xbe0 [11236.377963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11236.377963][ T7704] ___sys_sendmsg+0xee/0x170 [11236.377963][ T7704] __sys_sendmsg+0xcd/0x170 [11236.377963][ T7704] do_syscall_64+0xc6/0x1e0 [11236.377963][ T7704] [11236.380184][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11236.380184][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11236.380184][ T7704] ipv6_find_idev+0x102/0x170 [11236.380184][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11236.380184][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11236.380184][ T7704] netlink_rcv_skb+0x130/0x360 [11236.380184][ T7704] netlink_unicast+0x449/0x710 [11236.380184][ T7704] netlink_sendmsg+0x723/0xbe0 [11236.380184][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11236.380184][ T7704] ___sys_sendmsg+0xee/0x170 [11236.380184][ T7704] __sys_sendmsg+0xcd/0x170 [11236.380184][ T7704] do_syscall_64+0xc6/0x1e0 [11236.380184][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11236.380184][ T7704] [11236.381917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11236.381917][ T7704] neigh_parms_alloc+0x1e5/0x510 [11236.381917][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11236.381917][ T7704] ipv6_find_idev+0x102/0x170 [11236.381917][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11236.381917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11236.381917][ T7704] netlink_rcv_skb+0x130/0x360 [11236.381917][ T7704] netlink_unicast+0x449/0x710 [11236.381917][ T7704] netlink_sendmsg+0x723/0xbe0 [11236.381917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11236.381917][ T7704] ___sys_sendmsg+0xee/0x170 [11236.381917][ T7704] __sys_sendmsg+0xcd/0x170 [11236.381917][ T7704] do_syscall_64+0xc6/0x1e0 [11236.381917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11236.381917][ T7704] [11246.620831][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11246.621279][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11246.621279][ T7704] netdev_get_by_index+0x5e/0x80 [11246.621279][ T7704] fib6_nh_init+0x3d8/0x15b0 [11246.621279][ T7704] ip6_route_info_create+0xf18/0x17d0 [11246.621279][ T7704] ip6_route_add+0x1c/0x140 [11246.621279][ T7704] addrconf_prefix_route+0x2a6/0x430 [11246.621279][ T7704] inet6_addr_add+0x4f8/0xa40 [11246.621279][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11246.621279][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11246.621279][ T7704] netlink_rcv_skb+0x130/0x360 [11246.621279][ T7704] netlink_unicast+0x449/0x710 [11246.621279][ T7704] netlink_sendmsg+0x723/0xbe0 [11246.621279][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11246.621279][ T7704] ___sys_sendmsg+0xee/0x170 [11246.621279][ T7704] __sys_sendmsg+0xcd/0x170 [11246.621279][ T7704] do_syscall_64+0xc6/0x1e0 [11246.621279][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11246.621279][ T7704] [11246.623691][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11246.623691][ T7704] netdev_get_by_index+0x5e/0x80 [11246.623691][ T7704] fib6_nh_init+0x3d8/0x15b0 [11246.623691][ T7704] ip6_route_info_create+0xf18/0x17d0 [11246.623691][ T7704] addrconf_f6i_alloc+0x315/0x560 [11246.623691][ T7704] ipv6_add_addr+0x411/0x2000 [11246.623691][ T7704] inet6_addr_add+0x30e/0xa40 [11246.623691][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11246.623691][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11246.623691][ T7704] netlink_rcv_skb+0x130/0x360 [11246.623691][ T7704] netlink_unicast+0x449/0x710 [11246.623691][ T7704] netlink_sendmsg+0x723/0xbe0 [11246.623691][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11246.623691][ T7704] ___sys_sendmsg+0xee/0x170 [11246.623691][ T7704] __sys_sendmsg+0xcd/0x170 [11246.623691][ T7704] do_syscall_64+0xc6/0x1e0 [11246.623691][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11246.623691][ T7704] [11246.626011][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11246.626011][ T7704] netdev_get_by_index+0x5e/0x80 [11246.626011][ T7704] fib6_nh_init+0x3d8/0x15b0 [11246.626011][ T7704] ip6_route_info_create+0xf18/0x17d0 [11246.626011][ T7704] ip6_route_add+0x1c/0x140 [11246.626011][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11246.626011][ T7704] addrconf_add_dev+0xe2/0x170 [11246.626011][ T7704] inet6_addr_add+0x12f/0xa40 [11246.626011][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11246.626011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11246.626011][ T7704] netlink_rcv_skb+0x130/0x360 [11246.626011][ T7704] netlink_unicast+0x449/0x710 [11246.626011][ T7704] netlink_sendmsg+0x723/0xbe0 [11246.626011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11246.626011][ T7704] ___sys_sendmsg+0xee/0x170 [11246.626011][ T7704] __sys_sendmsg+0xcd/0x170 [11246.626011][ T7704] do_syscall_64+0xc6/0x1e0 [11246.626011][ T7704] [11246.628319][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11246.628319][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11246.628319][ T7704] ipv6_find_idev+0x102/0x170 [11246.628319][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11246.628319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11246.628319][ T7704] netlink_rcv_skb+0x130/0x360 [11246.628319][ T7704] netlink_unicast+0x449/0x710 [11246.628319][ T7704] netlink_sendmsg+0x723/0xbe0 [11246.628319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11246.628319][ T7704] ___sys_sendmsg+0xee/0x170 [11246.628319][ T7704] __sys_sendmsg+0xcd/0x170 [11246.628319][ T7704] do_syscall_64+0xc6/0x1e0 [11246.628319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11246.628319][ T7704] [11246.630096][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11246.630096][ T7704] neigh_parms_alloc+0x1e5/0x510 [11246.630096][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11246.630096][ T7704] ipv6_find_idev+0x102/0x170 [11246.630096][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11246.630096][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11246.630096][ T7704] netlink_rcv_skb+0x130/0x360 [11246.630096][ T7704] netlink_unicast+0x449/0x710 [11246.630096][ T7704] netlink_sendmsg+0x723/0xbe0 [11246.630096][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11246.630096][ T7704] ___sys_sendmsg+0xee/0x170 [11246.630096][ T7704] __sys_sendmsg+0xcd/0x170 [11246.630096][ T7704] do_syscall_64+0xc6/0x1e0 [11246.630096][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11246.630096][ T7704] [11256.868770][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11256.869216][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11256.869216][ T7704] netdev_get_by_index+0x5e/0x80 [11256.869216][ T7704] fib6_nh_init+0x3d8/0x15b0 [11256.869216][ T7704] ip6_route_info_create+0xf18/0x17d0 [11256.869216][ T7704] ip6_route_add+0x1c/0x140 [11256.869216][ T7704] addrconf_prefix_route+0x2a6/0x430 [11256.869216][ T7704] inet6_addr_add+0x4f8/0xa40 [11256.869216][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11256.869216][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11256.869216][ T7704] netlink_rcv_skb+0x130/0x360 [11256.869216][ T7704] netlink_unicast+0x449/0x710 [11256.869216][ T7704] netlink_sendmsg+0x723/0xbe0 [11256.869216][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11256.869216][ T7704] ___sys_sendmsg+0xee/0x170 [11256.869216][ T7704] __sys_sendmsg+0xcd/0x170 [11256.869216][ T7704] do_syscall_64+0xc6/0x1e0 [11256.869216][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11256.869216][ T7704] [11256.871454][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11256.871454][ T7704] netdev_get_by_index+0x5e/0x80 [11256.871454][ T7704] fib6_nh_init+0x3d8/0x15b0 [11256.871454][ T7704] ip6_route_info_create+0xf18/0x17d0 [11256.871454][ T7704] addrconf_f6i_alloc+0x315/0x560 [11256.871454][ T7704] ipv6_add_addr+0x411/0x2000 [11256.871454][ T7704] inet6_addr_add+0x30e/0xa40 [11256.871454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11256.871454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11256.871454][ T7704] netlink_rcv_skb+0x130/0x360 [11256.871454][ T7704] netlink_unicast+0x449/0x710 [11256.871454][ T7704] netlink_sendmsg+0x723/0xbe0 [11256.871454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11256.871454][ T7704] ___sys_sendmsg+0xee/0x170 [11256.871454][ T7704] __sys_sendmsg+0xcd/0x170 [11256.871454][ T7704] do_syscall_64+0xc6/0x1e0 [11256.871454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11256.871454][ T7704] [11256.873746][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11256.873746][ T7704] netdev_get_by_index+0x5e/0x80 [11256.873746][ T7704] fib6_nh_init+0x3d8/0x15b0 [11256.873746][ T7704] ip6_route_info_create+0xf18/0x17d0 [11256.873746][ T7704] ip6_route_add+0x1c/0x140 [11256.873746][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11256.873746][ T7704] addrconf_add_dev+0xe2/0x170 [11256.873746][ T7704] inet6_addr_add+0x12f/0xa40 [11256.873746][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11256.873746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11256.873746][ T7704] netlink_rcv_skb+0x130/0x360 [11256.873746][ T7704] netlink_unicast+0x449/0x710 [11256.873746][ T7704] netlink_sendmsg+0x723/0xbe0 [11256.873746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11256.873746][ T7704] ___sys_sendmsg+0xee/0x170 [11256.873746][ T7704] __sys_sendmsg+0xcd/0x170 [11256.873746][ T7704] do_syscall_64+0xc6/0x1e0 [11256.873746][ T7704] [11256.875973][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11256.875973][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11256.875973][ T7704] ipv6_find_idev+0x102/0x170 [11256.875973][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11256.875973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11256.875973][ T7704] netlink_rcv_skb+0x130/0x360 [11256.875973][ T7704] netlink_unicast+0x449/0x710 [11256.875973][ T7704] netlink_sendmsg+0x723/0xbe0 [11256.875973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11256.875973][ T7704] ___sys_sendmsg+0xee/0x170 [11256.875973][ T7704] __sys_sendmsg+0xcd/0x170 [11256.875973][ T7704] do_syscall_64+0xc6/0x1e0 [11256.875973][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11256.875973][ T7704] [11256.877698][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11256.877698][ T7704] neigh_parms_alloc+0x1e5/0x510 [11256.877698][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11256.877698][ T7704] ipv6_find_idev+0x102/0x170 [11256.877698][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11256.877698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11256.877698][ T7704] netlink_rcv_skb+0x130/0x360 [11256.877698][ T7704] netlink_unicast+0x449/0x710 [11256.877698][ T7704] netlink_sendmsg+0x723/0xbe0 [11256.877698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11256.877698][ T7704] ___sys_sendmsg+0xee/0x170 [11256.877698][ T7704] __sys_sendmsg+0xcd/0x170 [11256.877698][ T7704] do_syscall_64+0xc6/0x1e0 [11256.877698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11256.877698][ T7704] [11267.116857][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11267.117393][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11267.117393][ T7704] netdev_get_by_index+0x5e/0x80 [11267.117393][ T7704] fib6_nh_init+0x3d8/0x15b0 [11267.117393][ T7704] ip6_route_info_create+0xf18/0x17d0 [11267.117393][ T7704] ip6_route_add+0x1c/0x140 [11267.117393][ T7704] addrconf_prefix_route+0x2a6/0x430 [11267.117393][ T7704] inet6_addr_add+0x4f8/0xa40 [11267.117393][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11267.117393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11267.117393][ T7704] netlink_rcv_skb+0x130/0x360 [11267.117393][ T7704] netlink_unicast+0x449/0x710 [11267.117393][ T7704] netlink_sendmsg+0x723/0xbe0 [11267.117393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11267.117393][ T7704] ___sys_sendmsg+0xee/0x170 [11267.117393][ T7704] __sys_sendmsg+0xcd/0x170 [11267.117393][ T7704] do_syscall_64+0xc6/0x1e0 [11267.117393][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11267.117393][ T7704] [11267.119684][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11267.119684][ T7704] netdev_get_by_index+0x5e/0x80 [11267.119684][ T7704] fib6_nh_init+0x3d8/0x15b0 [11267.119684][ T7704] ip6_route_info_create+0xf18/0x17d0 [11267.119684][ T7704] addrconf_f6i_alloc+0x315/0x560 [11267.119684][ T7704] ipv6_add_addr+0x411/0x2000 [11267.119684][ T7704] inet6_addr_add+0x30e/0xa40 [11267.119684][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11267.119684][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11267.119684][ T7704] netlink_rcv_skb+0x130/0x360 [11267.119684][ T7704] netlink_unicast+0x449/0x710 [11267.119684][ T7704] netlink_sendmsg+0x723/0xbe0 [11267.119684][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11267.119684][ T7704] ___sys_sendmsg+0xee/0x170 [11267.119684][ T7704] __sys_sendmsg+0xcd/0x170 [11267.119684][ T7704] do_syscall_64+0xc6/0x1e0 [11267.119684][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11267.119684][ T7704] [11267.121929][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11267.121929][ T7704] netdev_get_by_index+0x5e/0x80 [11267.121929][ T7704] fib6_nh_init+0x3d8/0x15b0 [11267.121929][ T7704] ip6_route_info_create+0xf18/0x17d0 [11267.121929][ T7704] ip6_route_add+0x1c/0x140 [11267.121929][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11267.121929][ T7704] addrconf_add_dev+0xe2/0x170 [11267.121929][ T7704] inet6_addr_add+0x12f/0xa40 [11267.121929][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11267.121929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11267.121929][ T7704] netlink_rcv_skb+0x130/0x360 [11267.121929][ T7704] netlink_unicast+0x449/0x710 [11267.121929][ T7704] netlink_sendmsg+0x723/0xbe0 [11267.121929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11267.121929][ T7704] ___sys_sendmsg+0xee/0x170 [11267.121929][ T7704] __sys_sendmsg+0xcd/0x170 [11267.121929][ T7704] do_syscall_64+0xc6/0x1e0 [11267.121929][ T7704] [11267.124121][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11267.124121][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11267.124121][ T7704] ipv6_find_idev+0x102/0x170 [11267.124121][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11267.124121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11267.124121][ T7704] netlink_rcv_skb+0x130/0x360 [11267.124121][ T7704] netlink_unicast+0x449/0x710 [11267.124121][ T7704] netlink_sendmsg+0x723/0xbe0 [11267.124121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11267.124121][ T7704] ___sys_sendmsg+0xee/0x170 [11267.124121][ T7704] __sys_sendmsg+0xcd/0x170 [11267.124121][ T7704] do_syscall_64+0xc6/0x1e0 [11267.124121][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11267.124121][ T7704] [11267.125844][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11267.125844][ T7704] neigh_parms_alloc+0x1e5/0x510 [11267.125844][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11267.125844][ T7704] ipv6_find_idev+0x102/0x170 [11267.125844][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11267.125844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11267.125844][ T7704] netlink_rcv_skb+0x130/0x360 [11267.125844][ T7704] netlink_unicast+0x449/0x710 [11267.125844][ T7704] netlink_sendmsg+0x723/0xbe0 [11267.125844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11267.125844][ T7704] ___sys_sendmsg+0xee/0x170 [11267.125844][ T7704] __sys_sendmsg+0xcd/0x170 [11267.125844][ T7704] do_syscall_64+0xc6/0x1e0 [11267.125844][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11267.125844][ T7704] [11277.148774][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11277.149202][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11277.149202][ T7704] netdev_get_by_index+0x5e/0x80 [11277.149202][ T7704] fib6_nh_init+0x3d8/0x15b0 [11277.149202][ T7704] ip6_route_info_create+0xf18/0x17d0 [11277.149202][ T7704] ip6_route_add+0x1c/0x140 [11277.149202][ T7704] addrconf_prefix_route+0x2a6/0x430 [11277.149202][ T7704] inet6_addr_add+0x4f8/0xa40 [11277.149202][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11277.149202][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11277.149202][ T7704] netlink_rcv_skb+0x130/0x360 [11277.149202][ T7704] netlink_unicast+0x449/0x710 [11277.149202][ T7704] netlink_sendmsg+0x723/0xbe0 [11277.149202][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11277.149202][ T7704] ___sys_sendmsg+0xee/0x170 [11277.149202][ T7704] __sys_sendmsg+0xcd/0x170 [11277.149202][ T7704] do_syscall_64+0xc6/0x1e0 [11277.149202][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11277.149202][ T7704] [11277.151441][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11277.151441][ T7704] netdev_get_by_index+0x5e/0x80 [11277.151441][ T7704] fib6_nh_init+0x3d8/0x15b0 [11277.151441][ T7704] ip6_route_info_create+0xf18/0x17d0 [11277.151441][ T7704] addrconf_f6i_alloc+0x315/0x560 [11277.151441][ T7704] ipv6_add_addr+0x411/0x2000 [11277.151441][ T7704] inet6_addr_add+0x30e/0xa40 [11277.151441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11277.151441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11277.151441][ T7704] netlink_rcv_skb+0x130/0x360 [11277.151441][ T7704] netlink_unicast+0x449/0x710 [11277.151441][ T7704] netlink_sendmsg+0x723/0xbe0 [11277.151441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11277.151441][ T7704] ___sys_sendmsg+0xee/0x170 [11277.151441][ T7704] __sys_sendmsg+0xcd/0x170 [11277.151441][ T7704] do_syscall_64+0xc6/0x1e0 [11277.151441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11277.151441][ T7704] [11277.153937][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11277.153937][ T7704] netdev_get_by_index+0x5e/0x80 [11277.153937][ T7704] fib6_nh_init+0x3d8/0x15b0 [11277.153937][ T7704] ip6_route_info_create+0xf18/0x17d0 [11277.153937][ T7704] ip6_route_add+0x1c/0x140 [11277.153937][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11277.153937][ T7704] addrconf_add_dev+0xe2/0x170 [11277.153937][ T7704] inet6_addr_add+0x12f/0xa40 [11277.153937][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11277.153937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11277.153937][ T7704] netlink_rcv_skb+0x130/0x360 [11277.153937][ T7704] netlink_unicast+0x449/0x710 [11277.153937][ T7704] netlink_sendmsg+0x723/0xbe0 [11277.153937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11277.153937][ T7704] ___sys_sendmsg+0xee/0x170 [11277.153937][ T7704] __sys_sendmsg+0xcd/0x170 [11277.153937][ T7704] do_syscall_64+0xc6/0x1e0 [11277.153937][ T7704] [11277.156109][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11277.156109][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11277.156109][ T7704] ipv6_find_idev+0x102/0x170 [11277.156109][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11277.156109][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11277.156109][ T7704] netlink_rcv_skb+0x130/0x360 [11277.156109][ T7704] netlink_unicast+0x449/0x710 [11277.156109][ T7704] netlink_sendmsg+0x723/0xbe0 [11277.156109][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11277.156109][ T7704] ___sys_sendmsg+0xee/0x170 [11277.156109][ T7704] __sys_sendmsg+0xcd/0x170 [11277.156109][ T7704] do_syscall_64+0xc6/0x1e0 [11277.156109][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11277.156109][ T7704] [11277.157823][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11277.157823][ T7704] neigh_parms_alloc+0x1e5/0x510 [11277.157823][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11277.157823][ T7704] ipv6_find_idev+0x102/0x170 [11277.157823][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11277.157823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11277.157823][ T7704] netlink_rcv_skb+0x130/0x360 [11277.157823][ T7704] netlink_unicast+0x449/0x710 [11277.157823][ T7704] netlink_sendmsg+0x723/0xbe0 [11277.157823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11277.157823][ T7704] ___sys_sendmsg+0xee/0x170 [11277.157823][ T7704] __sys_sendmsg+0xcd/0x170 [11277.157823][ T7704] do_syscall_64+0xc6/0x1e0 [11277.157823][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11277.157823][ T7704] [11287.404782][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11287.405393][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11287.405393][ T7704] netdev_get_by_index+0x5e/0x80 [11287.405393][ T7704] fib6_nh_init+0x3d8/0x15b0 [11287.405393][ T7704] ip6_route_info_create+0xf18/0x17d0 [11287.405393][ T7704] ip6_route_add+0x1c/0x140 [11287.405393][ T7704] addrconf_prefix_route+0x2a6/0x430 [11287.405393][ T7704] inet6_addr_add+0x4f8/0xa40 [11287.405393][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11287.405393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11287.405393][ T7704] netlink_rcv_skb+0x130/0x360 [11287.405393][ T7704] netlink_unicast+0x449/0x710 [11287.405393][ T7704] netlink_sendmsg+0x723/0xbe0 [11287.405393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11287.405393][ T7704] ___sys_sendmsg+0xee/0x170 [11287.405393][ T7704] __sys_sendmsg+0xcd/0x170 [11287.405393][ T7704] do_syscall_64+0xc6/0x1e0 [11287.405393][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11287.405393][ T7704] [11287.408764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11287.408764][ T7704] netdev_get_by_index+0x5e/0x80 [11287.408764][ T7704] fib6_nh_init+0x3d8/0x15b0 [11287.408764][ T7704] ip6_route_info_create+0xf18/0x17d0 [11287.408764][ T7704] addrconf_f6i_alloc+0x315/0x560 [11287.408764][ T7704] ipv6_add_addr+0x411/0x2000 [11287.408764][ T7704] inet6_addr_add+0x30e/0xa40 [11287.408764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11287.408764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11287.408764][ T7704] netlink_rcv_skb+0x130/0x360 [11287.408764][ T7704] netlink_unicast+0x449/0x710 [11287.408764][ T7704] netlink_sendmsg+0x723/0xbe0 [11287.408764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11287.408764][ T7704] ___sys_sendmsg+0xee/0x170 [11287.408764][ T7704] __sys_sendmsg+0xcd/0x170 [11287.408764][ T7704] do_syscall_64+0xc6/0x1e0 [11287.408764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11287.408764][ T7704] [11287.412233][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11287.412233][ T7704] netdev_get_by_index+0x5e/0x80 [11287.412233][ T7704] fib6_nh_init+0x3d8/0x15b0 [11287.412233][ T7704] ip6_route_info_create+0xf18/0x17d0 [11287.412233][ T7704] ip6_route_add+0x1c/0x140 [11287.412233][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11287.412233][ T7704] addrconf_add_dev+0xe2/0x170 [11287.412233][ T7704] inet6_addr_add+0x12f/0xa40 [11287.412233][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11287.412233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11287.412233][ T7704] netlink_rcv_skb+0x130/0x360 [11287.412233][ T7704] netlink_unicast+0x449/0x710 [11287.412233][ T7704] netlink_sendmsg+0x723/0xbe0 [11287.412233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11287.412233][ T7704] ___sys_sendmsg+0xee/0x170 [11287.412233][ T7704] __sys_sendmsg+0xcd/0x170 [11287.412233][ T7704] do_syscall_64+0xc6/0x1e0 [11287.412233][ T7704] [11287.415738][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11287.415738][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11287.415738][ T7704] ipv6_find_idev+0x102/0x170 [11287.415738][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11287.415738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11287.415738][ T7704] netlink_rcv_skb+0x130/0x360 [11287.415738][ T7704] netlink_unicast+0x449/0x710 [11287.415738][ T7704] netlink_sendmsg+0x723/0xbe0 [11287.415738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11287.415738][ T7704] ___sys_sendmsg+0xee/0x170 [11287.415738][ T7704] __sys_sendmsg+0xcd/0x170 [11287.415738][ T7704] do_syscall_64+0xc6/0x1e0 [11287.415738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11287.415738][ T7704] [11287.418525][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11287.418525][ T7704] neigh_parms_alloc+0x1e5/0x510 [11287.418525][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11287.418525][ T7704] ipv6_find_idev+0x102/0x170 [11287.418525][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11287.418525][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11287.418525][ T7704] netlink_rcv_skb+0x130/0x360 [11287.418525][ T7704] netlink_unicast+0x449/0x710 [11287.418525][ T7704] netlink_sendmsg+0x723/0xbe0 [11287.418525][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11287.418525][ T7704] ___sys_sendmsg+0xee/0x170 [11287.418525][ T7704] __sys_sendmsg+0xcd/0x170 [11287.418525][ T7704] do_syscall_64+0xc6/0x1e0 [11287.418525][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11287.418525][ T7704] [11297.628805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11297.629414][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11297.629414][ T7704] netdev_get_by_index+0x5e/0x80 [11297.629414][ T7704] fib6_nh_init+0x3d8/0x15b0 [11297.629414][ T7704] ip6_route_info_create+0xf18/0x17d0 [11297.629414][ T7704] ip6_route_add+0x1c/0x140 [11297.629414][ T7704] addrconf_prefix_route+0x2a6/0x430 [11297.629414][ T7704] inet6_addr_add+0x4f8/0xa40 [11297.629414][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11297.629414][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11297.629414][ T7704] netlink_rcv_skb+0x130/0x360 [11297.629414][ T7704] netlink_unicast+0x449/0x710 [11297.629414][ T7704] netlink_sendmsg+0x723/0xbe0 [11297.629414][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11297.629414][ T7704] ___sys_sendmsg+0xee/0x170 [11297.629414][ T7704] __sys_sendmsg+0xcd/0x170 [11297.629414][ T7704] do_syscall_64+0xc6/0x1e0 [11297.629414][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11297.629414][ T7704] [11297.633061][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11297.633061][ T7704] netdev_get_by_index+0x5e/0x80 [11297.633061][ T7704] fib6_nh_init+0x3d8/0x15b0 [11297.633061][ T7704] ip6_route_info_create+0xf18/0x17d0 [11297.633061][ T7704] addrconf_f6i_alloc+0x315/0x560 [11297.633061][ T7704] ipv6_add_addr+0x411/0x2000 [11297.633061][ T7704] inet6_addr_add+0x30e/0xa40 [11297.633061][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11297.633061][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11297.633061][ T7704] netlink_rcv_skb+0x130/0x360 [11297.633061][ T7704] netlink_unicast+0x449/0x710 [11297.633061][ T7704] netlink_sendmsg+0x723/0xbe0 [11297.633061][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11297.633061][ T7704] ___sys_sendmsg+0xee/0x170 [11297.633061][ T7704] __sys_sendmsg+0xcd/0x170 [11297.633061][ T7704] do_syscall_64+0xc6/0x1e0 [11297.633061][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11297.633061][ T7704] [11297.636129][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11297.636129][ T7704] netdev_get_by_index+0x5e/0x80 [11297.636129][ T7704] fib6_nh_init+0x3d8/0x15b0 [11297.636129][ T7704] ip6_route_info_create+0xf18/0x17d0 [11297.636129][ T7704] ip6_route_add+0x1c/0x140 [11297.636129][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11297.636129][ T7704] addrconf_add_dev+0xe2/0x170 [11297.636129][ T7704] inet6_addr_add+0x12f/0xa40 [11297.636129][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11297.636129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11297.636129][ T7704] netlink_rcv_skb+0x130/0x360 [11297.636129][ T7704] netlink_unicast+0x449/0x710 [11297.636129][ T7704] netlink_sendmsg+0x723/0xbe0 [11297.636129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11297.636129][ T7704] ___sys_sendmsg+0xee/0x170 [11297.636129][ T7704] __sys_sendmsg+0xcd/0x170 [11297.636129][ T7704] do_syscall_64+0xc6/0x1e0 [11297.636129][ T7704] [11297.639735][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11297.639735][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11297.639735][ T7704] ipv6_find_idev+0x102/0x170 [11297.639735][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11297.639735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11297.639735][ T7704] netlink_rcv_skb+0x130/0x360 [11297.639735][ T7704] netlink_unicast+0x449/0x710 [11297.639735][ T7704] netlink_sendmsg+0x723/0xbe0 [11297.639735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11297.639735][ T7704] ___sys_sendmsg+0xee/0x170 [11297.639735][ T7704] __sys_sendmsg+0xcd/0x170 [11297.639735][ T7704] do_syscall_64+0xc6/0x1e0 [11297.639735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11297.639735][ T7704] [11297.642538][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11297.642538][ T7704] neigh_parms_alloc+0x1e5/0x510 [11297.642538][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11297.642538][ T7704] ipv6_find_idev+0x102/0x170 [11297.642538][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11297.642538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11297.642538][ T7704] netlink_rcv_skb+0x130/0x360 [11297.642538][ T7704] netlink_unicast+0x449/0x710 [11297.642538][ T7704] netlink_sendmsg+0x723/0xbe0 [11297.642538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11297.642538][ T7704] ___sys_sendmsg+0xee/0x170 [11297.642538][ T7704] __sys_sendmsg+0xcd/0x170 [11297.642538][ T7704] do_syscall_64+0xc6/0x1e0 [11297.642538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11297.642538][ T7704] [11307.692803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11307.693257][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11307.693257][ T7704] netdev_get_by_index+0x5e/0x80 [11307.693257][ T7704] fib6_nh_init+0x3d8/0x15b0 [11307.693257][ T7704] ip6_route_info_create+0xf18/0x17d0 [11307.693257][ T7704] ip6_route_add+0x1c/0x140 [11307.693257][ T7704] addrconf_prefix_route+0x2a6/0x430 [11307.693257][ T7704] inet6_addr_add+0x4f8/0xa40 [11307.693257][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11307.693257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11307.693257][ T7704] netlink_rcv_skb+0x130/0x360 [11307.693257][ T7704] netlink_unicast+0x449/0x710 [11307.693257][ T7704] netlink_sendmsg+0x723/0xbe0 [11307.693257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11307.693257][ T7704] ___sys_sendmsg+0xee/0x170 [11307.693257][ T7704] __sys_sendmsg+0xcd/0x170 [11307.693257][ T7704] do_syscall_64+0xc6/0x1e0 [11307.693257][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11307.693257][ T7704] [11307.695738][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11307.695738][ T7704] netdev_get_by_index+0x5e/0x80 [11307.695738][ T7704] fib6_nh_init+0x3d8/0x15b0 [11307.695738][ T7704] ip6_route_info_create+0xf18/0x17d0 [11307.695738][ T7704] addrconf_f6i_alloc+0x315/0x560 [11307.695738][ T7704] ipv6_add_addr+0x411/0x2000 [11307.695738][ T7704] inet6_addr_add+0x30e/0xa40 [11307.695738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11307.695738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11307.695738][ T7704] netlink_rcv_skb+0x130/0x360 [11307.695738][ T7704] netlink_unicast+0x449/0x710 [11307.695738][ T7704] netlink_sendmsg+0x723/0xbe0 [11307.695738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11307.695738][ T7704] ___sys_sendmsg+0xee/0x170 [11307.695738][ T7704] __sys_sendmsg+0xcd/0x170 [11307.695738][ T7704] do_syscall_64+0xc6/0x1e0 [11307.695738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11307.695738][ T7704] [11307.698104][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11307.698104][ T7704] netdev_get_by_index+0x5e/0x80 [11307.698104][ T7704] fib6_nh_init+0x3d8/0x15b0 [11307.698104][ T7704] ip6_route_info_create+0xf18/0x17d0 [11307.698104][ T7704] ip6_route_add+0x1c/0x140 [11307.698104][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11307.698104][ T7704] addrconf_add_dev+0xe2/0x170 [11307.698104][ T7704] inet6_addr_add+0x12f/0xa40 [11307.698104][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11307.698104][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11307.698104][ T7704] netlink_rcv_skb+0x130/0x360 [11307.698104][ T7704] netlink_unicast+0x449/0x710 [11307.698104][ T7704] netlink_sendmsg+0x723/0xbe0 [11307.698104][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11307.698104][ T7704] ___sys_sendmsg+0xee/0x170 [11307.698104][ T7704] __sys_sendmsg+0xcd/0x170 [11307.698104][ T7704] do_syscall_64+0xc6/0x1e0 [11307.698104][ T7704] [11307.700524][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11307.700524][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11307.700524][ T7704] ipv6_find_idev+0x102/0x170 [11307.700524][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11307.700524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11307.700524][ T7704] netlink_rcv_skb+0x130/0x360 [11307.700524][ T7704] netlink_unicast+0x449/0x710 [11307.700524][ T7704] netlink_sendmsg+0x723/0xbe0 [11307.700524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11307.700524][ T7704] ___sys_sendmsg+0xee/0x170 [11307.700524][ T7704] __sys_sendmsg+0xcd/0x170 [11307.700524][ T7704] do_syscall_64+0xc6/0x1e0 [11307.700524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11307.700524][ T7704] [11307.702476][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11307.702476][ T7704] neigh_parms_alloc+0x1e5/0x510 [11307.702476][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11307.702476][ T7704] ipv6_find_idev+0x102/0x170 [11307.702476][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11307.702476][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11307.702476][ T7704] netlink_rcv_skb+0x130/0x360 [11307.702476][ T7704] netlink_unicast+0x449/0x710 [11307.702476][ T7704] netlink_sendmsg+0x723/0xbe0 [11307.702476][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11307.702476][ T7704] ___sys_sendmsg+0xee/0x170 [11307.702476][ T7704] __sys_sendmsg+0xcd/0x170 [11307.702476][ T7704] do_syscall_64+0xc6/0x1e0 [11307.702476][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11307.702476][ T7704] [11317.836772][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11317.837258][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11317.837258][ T7704] netdev_get_by_index+0x5e/0x80 [11317.837258][ T7704] fib6_nh_init+0x3d8/0x15b0 [11317.837258][ T7704] ip6_route_info_create+0xf18/0x17d0 [11317.837258][ T7704] ip6_route_add+0x1c/0x140 [11317.837258][ T7704] addrconf_prefix_route+0x2a6/0x430 [11317.837258][ T7704] inet6_addr_add+0x4f8/0xa40 [11317.837258][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11317.837258][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11317.837258][ T7704] netlink_rcv_skb+0x130/0x360 [11317.837258][ T7704] netlink_unicast+0x449/0x710 [11317.837258][ T7704] netlink_sendmsg+0x723/0xbe0 [11317.837258][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11317.837258][ T7704] ___sys_sendmsg+0xee/0x170 [11317.837258][ T7704] __sys_sendmsg+0xcd/0x170 [11317.837258][ T7704] do_syscall_64+0xc6/0x1e0 [11317.837258][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11317.837258][ T7704] [11317.839847][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11317.839847][ T7704] netdev_get_by_index+0x5e/0x80 [11317.839847][ T7704] fib6_nh_init+0x3d8/0x15b0 [11317.839847][ T7704] ip6_route_info_create+0xf18/0x17d0 [11317.839847][ T7704] addrconf_f6i_alloc+0x315/0x560 [11317.839847][ T7704] ipv6_add_addr+0x411/0x2000 [11317.839847][ T7704] inet6_addr_add+0x30e/0xa40 [11317.839847][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11317.839847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11317.839847][ T7704] netlink_rcv_skb+0x130/0x360 [11317.839847][ T7704] netlink_unicast+0x449/0x710 [11317.839847][ T7704] netlink_sendmsg+0x723/0xbe0 [11317.839847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11317.839847][ T7704] ___sys_sendmsg+0xee/0x170 [11317.839847][ T7704] __sys_sendmsg+0xcd/0x170 [11317.839847][ T7704] do_syscall_64+0xc6/0x1e0 [11317.839847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11317.839847][ T7704] [11317.842403][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11317.842403][ T7704] netdev_get_by_index+0x5e/0x80 [11317.842403][ T7704] fib6_nh_init+0x3d8/0x15b0 [11317.842403][ T7704] ip6_route_info_create+0xf18/0x17d0 [11317.842403][ T7704] ip6_route_add+0x1c/0x140 [11317.842403][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11317.842403][ T7704] addrconf_add_dev+0xe2/0x170 [11317.842403][ T7704] inet6_addr_add+0x12f/0xa40 [11317.842403][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11317.842403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11317.842403][ T7704] netlink_rcv_skb+0x130/0x360 [11317.842403][ T7704] netlink_unicast+0x449/0x710 [11317.842403][ T7704] netlink_sendmsg+0x723/0xbe0 [11317.842403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11317.842403][ T7704] ___sys_sendmsg+0xee/0x170 [11317.842403][ T7704] __sys_sendmsg+0xcd/0x170 [11317.842403][ T7704] do_syscall_64+0xc6/0x1e0 [11317.842403][ T7704] [11317.844855][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11317.844855][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11317.844855][ T7704] ipv6_find_idev+0x102/0x170 [11317.844855][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11317.844855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11317.844855][ T7704] netlink_rcv_skb+0x130/0x360 [11317.844855][ T7704] netlink_unicast+0x449/0x710 [11317.844855][ T7704] netlink_sendmsg+0x723/0xbe0 [11317.844855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11317.844855][ T7704] ___sys_sendmsg+0xee/0x170 [11317.844855][ T7704] __sys_sendmsg+0xcd/0x170 [11317.844855][ T7704] do_syscall_64+0xc6/0x1e0 [11317.844855][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11317.844855][ T7704] [11317.846808][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11317.846808][ T7704] neigh_parms_alloc+0x1e5/0x510 [11317.846808][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11317.846808][ T7704] ipv6_find_idev+0x102/0x170 [11317.846808][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11317.846808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11317.846808][ T7704] netlink_rcv_skb+0x130/0x360 [11317.846808][ T7704] netlink_unicast+0x449/0x710 [11317.846808][ T7704] netlink_sendmsg+0x723/0xbe0 [11317.846808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11317.846808][ T7704] ___sys_sendmsg+0xee/0x170 [11317.846808][ T7704] __sys_sendmsg+0xcd/0x170 [11317.846808][ T7704] do_syscall_64+0xc6/0x1e0 [11317.846808][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11317.846808][ T7704] [11327.852847][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11327.853303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11327.853303][ T7704] netdev_get_by_index+0x5e/0x80 [11327.853303][ T7704] fib6_nh_init+0x3d8/0x15b0 [11327.853303][ T7704] ip6_route_info_create+0xf18/0x17d0 [11327.853303][ T7704] ip6_route_add+0x1c/0x140 [11327.853303][ T7704] addrconf_prefix_route+0x2a6/0x430 [11327.853303][ T7704] inet6_addr_add+0x4f8/0xa40 [11327.853303][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11327.853303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11327.853303][ T7704] netlink_rcv_skb+0x130/0x360 [11327.853303][ T7704] netlink_unicast+0x449/0x710 [11327.853303][ T7704] netlink_sendmsg+0x723/0xbe0 [11327.853303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11327.853303][ T7704] ___sys_sendmsg+0xee/0x170 [11327.853303][ T7704] __sys_sendmsg+0xcd/0x170 [11327.853303][ T7704] do_syscall_64+0xc6/0x1e0 [11327.853303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11327.853303][ T7704] [11327.855751][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11327.855751][ T7704] netdev_get_by_index+0x5e/0x80 [11327.855751][ T7704] fib6_nh_init+0x3d8/0x15b0 [11327.855751][ T7704] ip6_route_info_create+0xf18/0x17d0 [11327.855751][ T7704] addrconf_f6i_alloc+0x315/0x560 [11327.855751][ T7704] ipv6_add_addr+0x411/0x2000 [11327.855751][ T7704] inet6_addr_add+0x30e/0xa40 [11327.855751][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11327.855751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11327.855751][ T7704] netlink_rcv_skb+0x130/0x360 [11327.855751][ T7704] netlink_unicast+0x449/0x710 [11327.855751][ T7704] netlink_sendmsg+0x723/0xbe0 [11327.855751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11327.855751][ T7704] ___sys_sendmsg+0xee/0x170 [11327.855751][ T7704] __sys_sendmsg+0xcd/0x170 [11327.855751][ T7704] do_syscall_64+0xc6/0x1e0 [11327.855751][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11327.855751][ T7704] [11327.858171][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11327.858171][ T7704] netdev_get_by_index+0x5e/0x80 [11327.858171][ T7704] fib6_nh_init+0x3d8/0x15b0 [11327.858171][ T7704] ip6_route_info_create+0xf18/0x17d0 [11327.858171][ T7704] ip6_route_add+0x1c/0x140 [11327.858171][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11327.858171][ T7704] addrconf_add_dev+0xe2/0x170 [11327.858171][ T7704] inet6_addr_add+0x12f/0xa40 [11327.858171][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11327.858171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11327.858171][ T7704] netlink_rcv_skb+0x130/0x360 [11327.858171][ T7704] netlink_unicast+0x449/0x710 [11327.858171][ T7704] netlink_sendmsg+0x723/0xbe0 [11327.858171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11327.858171][ T7704] ___sys_sendmsg+0xee/0x170 [11327.858171][ T7704] __sys_sendmsg+0xcd/0x170 [11327.858171][ T7704] do_syscall_64+0xc6/0x1e0 [11327.858171][ T7704] [11327.860603][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11327.860603][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11327.860603][ T7704] ipv6_find_idev+0x102/0x170 [11327.860603][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11327.860603][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11327.860603][ T7704] netlink_rcv_skb+0x130/0x360 [11327.860603][ T7704] netlink_unicast+0x449/0x710 [11327.860603][ T7704] netlink_sendmsg+0x723/0xbe0 [11327.860603][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11327.860603][ T7704] ___sys_sendmsg+0xee/0x170 [11327.860603][ T7704] __sys_sendmsg+0xcd/0x170 [11327.860603][ T7704] do_syscall_64+0xc6/0x1e0 [11327.860603][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11327.860603][ T7704] [11327.862460][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11327.862460][ T7704] neigh_parms_alloc+0x1e5/0x510 [11327.862460][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11327.862460][ T7704] ipv6_find_idev+0x102/0x170 [11327.862460][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11327.862460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11327.862460][ T7704] netlink_rcv_skb+0x130/0x360 [11327.862460][ T7704] netlink_unicast+0x449/0x710 [11327.862460][ T7704] netlink_sendmsg+0x723/0xbe0 [11327.862460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11327.862460][ T7704] ___sys_sendmsg+0xee/0x170 [11327.862460][ T7704] __sys_sendmsg+0xcd/0x170 [11327.862460][ T7704] do_syscall_64+0xc6/0x1e0 [11327.862460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11327.862460][ T7704] [11337.884760][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11337.885208][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11337.885208][ T7704] netdev_get_by_index+0x5e/0x80 [11337.885208][ T7704] fib6_nh_init+0x3d8/0x15b0 [11337.885208][ T7704] ip6_route_info_create+0xf18/0x17d0 [11337.885208][ T7704] ip6_route_add+0x1c/0x140 [11337.885208][ T7704] addrconf_prefix_route+0x2a6/0x430 [11337.885208][ T7704] inet6_addr_add+0x4f8/0xa40 [11337.885208][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11337.885208][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11337.885208][ T7704] netlink_rcv_skb+0x130/0x360 [11337.885208][ T7704] netlink_unicast+0x449/0x710 [11337.885208][ T7704] netlink_sendmsg+0x723/0xbe0 [11337.885208][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11337.885208][ T7704] ___sys_sendmsg+0xee/0x170 [11337.885208][ T7704] __sys_sendmsg+0xcd/0x170 [11337.885208][ T7704] do_syscall_64+0xc6/0x1e0 [11337.885208][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11337.885208][ T7704] [11337.887572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11337.887572][ T7704] netdev_get_by_index+0x5e/0x80 [11337.887572][ T7704] fib6_nh_init+0x3d8/0x15b0 [11337.887572][ T7704] ip6_route_info_create+0xf18/0x17d0 [11337.887572][ T7704] addrconf_f6i_alloc+0x315/0x560 [11337.887572][ T7704] ipv6_add_addr+0x411/0x2000 [11337.887572][ T7704] inet6_addr_add+0x30e/0xa40 [11337.887572][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11337.887572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11337.887572][ T7704] netlink_rcv_skb+0x130/0x360 [11337.887572][ T7704] netlink_unicast+0x449/0x710 [11337.887572][ T7704] netlink_sendmsg+0x723/0xbe0 [11337.887572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11337.887572][ T7704] ___sys_sendmsg+0xee/0x170 [11337.887572][ T7704] __sys_sendmsg+0xcd/0x170 [11337.887572][ T7704] do_syscall_64+0xc6/0x1e0 [11337.887572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11337.887572][ T7704] [11337.889861][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11337.889861][ T7704] netdev_get_by_index+0x5e/0x80 [11337.889861][ T7704] fib6_nh_init+0x3d8/0x15b0 [11337.889861][ T7704] ip6_route_info_create+0xf18/0x17d0 [11337.889861][ T7704] ip6_route_add+0x1c/0x140 [11337.889861][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11337.889861][ T7704] addrconf_add_dev+0xe2/0x170 [11337.889861][ T7704] inet6_addr_add+0x12f/0xa40 [11337.889861][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11337.889861][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11337.889861][ T7704] netlink_rcv_skb+0x130/0x360 [11337.889861][ T7704] netlink_unicast+0x449/0x710 [11337.889861][ T7704] netlink_sendmsg+0x723/0xbe0 [11337.889861][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11337.889861][ T7704] ___sys_sendmsg+0xee/0x170 [11337.889861][ T7704] __sys_sendmsg+0xcd/0x170 [11337.889861][ T7704] do_syscall_64+0xc6/0x1e0 [11337.889861][ T7704] [11337.892102][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11337.892102][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11337.892102][ T7704] ipv6_find_idev+0x102/0x170 [11337.892102][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11337.892102][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11337.892102][ T7704] netlink_rcv_skb+0x130/0x360 [11337.892102][ T7704] netlink_unicast+0x449/0x710 [11337.892102][ T7704] netlink_sendmsg+0x723/0xbe0 [11337.892102][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11337.892102][ T7704] ___sys_sendmsg+0xee/0x170 [11337.892102][ T7704] __sys_sendmsg+0xcd/0x170 [11337.892102][ T7704] do_syscall_64+0xc6/0x1e0 [11337.892102][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11337.892102][ T7704] [11337.893843][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11337.893843][ T7704] neigh_parms_alloc+0x1e5/0x510 [11337.893843][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11337.893843][ T7704] ipv6_find_idev+0x102/0x170 [11337.893843][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11337.893843][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11337.893843][ T7704] netlink_rcv_skb+0x130/0x360 [11337.893843][ T7704] netlink_unicast+0x449/0x710 [11337.893843][ T7704] netlink_sendmsg+0x723/0xbe0 [11337.893843][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11337.893843][ T7704] ___sys_sendmsg+0xee/0x170 [11337.893843][ T7704] __sys_sendmsg+0xcd/0x170 [11337.893843][ T7704] do_syscall_64+0xc6/0x1e0 [11337.893843][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11337.893843][ T7704] [11348.148786][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11348.149281][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11348.149281][ T7704] netdev_get_by_index+0x5e/0x80 [11348.149281][ T7704] fib6_nh_init+0x3d8/0x15b0 [11348.149281][ T7704] ip6_route_info_create+0xf18/0x17d0 [11348.149281][ T7704] ip6_route_add+0x1c/0x140 [11348.149281][ T7704] addrconf_prefix_route+0x2a6/0x430 [11348.149281][ T7704] inet6_addr_add+0x4f8/0xa40 [11348.149281][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11348.149281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11348.149281][ T7704] netlink_rcv_skb+0x130/0x360 [11348.149281][ T7704] netlink_unicast+0x449/0x710 [11348.149281][ T7704] netlink_sendmsg+0x723/0xbe0 [11348.149281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11348.149281][ T7704] ___sys_sendmsg+0xee/0x170 [11348.149281][ T7704] __sys_sendmsg+0xcd/0x170 [11348.149281][ T7704] do_syscall_64+0xc6/0x1e0 [11348.149281][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11348.149281][ T7704] [11348.151993][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11348.151993][ T7704] netdev_get_by_index+0x5e/0x80 [11348.151993][ T7704] fib6_nh_init+0x3d8/0x15b0 [11348.151993][ T7704] ip6_route_info_create+0xf18/0x17d0 [11348.151993][ T7704] addrconf_f6i_alloc+0x315/0x560 [11348.151993][ T7704] ipv6_add_addr+0x411/0x2000 [11348.151993][ T7704] inet6_addr_add+0x30e/0xa40 [11348.151993][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11348.151993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11348.151993][ T7704] netlink_rcv_skb+0x130/0x360 [11348.151993][ T7704] netlink_unicast+0x449/0x710 [11348.151993][ T7704] netlink_sendmsg+0x723/0xbe0 [11348.151993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11348.151993][ T7704] ___sys_sendmsg+0xee/0x170 [11348.151993][ T7704] __sys_sendmsg+0xcd/0x170 [11348.151993][ T7704] do_syscall_64+0xc6/0x1e0 [11348.151993][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11348.151993][ T7704] [11348.154415][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11348.154415][ T7704] netdev_get_by_index+0x5e/0x80 [11348.154415][ T7704] fib6_nh_init+0x3d8/0x15b0 [11348.154415][ T7704] ip6_route_info_create+0xf18/0x17d0 [11348.154415][ T7704] ip6_route_add+0x1c/0x140 [11348.154415][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11348.154415][ T7704] addrconf_add_dev+0xe2/0x170 [11348.154415][ T7704] inet6_addr_add+0x12f/0xa40 [11348.154415][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11348.154415][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11348.154415][ T7704] netlink_rcv_skb+0x130/0x360 [11348.154415][ T7704] netlink_unicast+0x449/0x710 [11348.154415][ T7704] netlink_sendmsg+0x723/0xbe0 [11348.154415][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11348.154415][ T7704] ___sys_sendmsg+0xee/0x170 [11348.154415][ T7704] __sys_sendmsg+0xcd/0x170 [11348.154415][ T7704] do_syscall_64+0xc6/0x1e0 [11348.154415][ T7704] [11348.156772][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11348.156772][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11348.156772][ T7704] ipv6_find_idev+0x102/0x170 [11348.156772][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11348.156772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11348.156772][ T7704] netlink_rcv_skb+0x130/0x360 [11348.156772][ T7704] netlink_unicast+0x449/0x710 [11348.156772][ T7704] netlink_sendmsg+0x723/0xbe0 [11348.156772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11348.156772][ T7704] ___sys_sendmsg+0xee/0x170 [11348.156772][ T7704] __sys_sendmsg+0xcd/0x170 [11348.156772][ T7704] do_syscall_64+0xc6/0x1e0 [11348.156772][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11348.156772][ T7704] [11348.158650][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11348.158650][ T7704] neigh_parms_alloc+0x1e5/0x510 [11348.158650][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11348.158650][ T7704] ipv6_find_idev+0x102/0x170 [11348.158650][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11348.158650][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11348.158650][ T7704] netlink_rcv_skb+0x130/0x360 [11348.158650][ T7704] netlink_unicast+0x449/0x710 [11348.158650][ T7704] netlink_sendmsg+0x723/0xbe0 [11348.158650][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11348.158650][ T7704] ___sys_sendmsg+0xee/0x170 [11348.158650][ T7704] __sys_sendmsg+0xcd/0x170 [11348.158650][ T7704] do_syscall_64+0xc6/0x1e0 [11348.158650][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11348.158650][ T7704] [11358.276790][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11358.277328][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11358.277328][ T7704] netdev_get_by_index+0x5e/0x80 [11358.277328][ T7704] fib6_nh_init+0x3d8/0x15b0 [11358.277328][ T7704] ip6_route_info_create+0xf18/0x17d0 [11358.277328][ T7704] ip6_route_add+0x1c/0x140 [11358.277328][ T7704] addrconf_prefix_route+0x2a6/0x430 [11358.277328][ T7704] inet6_addr_add+0x4f8/0xa40 [11358.277328][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11358.277328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11358.277328][ T7704] netlink_rcv_skb+0x130/0x360 [11358.277328][ T7704] netlink_unicast+0x449/0x710 [11358.277328][ T7704] netlink_sendmsg+0x723/0xbe0 [11358.277328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11358.277328][ T7704] ___sys_sendmsg+0xee/0x170 [11358.277328][ T7704] __sys_sendmsg+0xcd/0x170 [11358.277328][ T7704] do_syscall_64+0xc6/0x1e0 [11358.277328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11358.277328][ T7704] [11358.280504][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11358.280504][ T7704] netdev_get_by_index+0x5e/0x80 [11358.280504][ T7704] fib6_nh_init+0x3d8/0x15b0 [11358.280504][ T7704] ip6_route_info_create+0xf18/0x17d0 [11358.280504][ T7704] addrconf_f6i_alloc+0x315/0x560 [11358.280504][ T7704] ipv6_add_addr+0x411/0x2000 [11358.280504][ T7704] inet6_addr_add+0x30e/0xa40 [11358.280504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11358.280504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11358.280504][ T7704] netlink_rcv_skb+0x130/0x360 [11358.280504][ T7704] netlink_unicast+0x449/0x710 [11358.280504][ T7704] netlink_sendmsg+0x723/0xbe0 [11358.280504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11358.280504][ T7704] ___sys_sendmsg+0xee/0x170 [11358.280504][ T7704] __sys_sendmsg+0xcd/0x170 [11358.280504][ T7704] do_syscall_64+0xc6/0x1e0 [11358.280504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11358.280504][ T7704] [11358.283673][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11358.283673][ T7704] netdev_get_by_index+0x5e/0x80 [11358.283673][ T7704] fib6_nh_init+0x3d8/0x15b0 [11358.283673][ T7704] ip6_route_info_create+0xf18/0x17d0 [11358.283673][ T7704] ip6_route_add+0x1c/0x140 [11358.283673][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11358.283673][ T7704] addrconf_add_dev+0xe2/0x170 [11358.283673][ T7704] inet6_addr_add+0x12f/0xa40 [11358.283673][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11358.283673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11358.283673][ T7704] netlink_rcv_skb+0x130/0x360 [11358.283673][ T7704] netlink_unicast+0x449/0x710 [11358.283673][ T7704] netlink_sendmsg+0x723/0xbe0 [11358.283673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11358.283673][ T7704] ___sys_sendmsg+0xee/0x170 [11358.283673][ T7704] __sys_sendmsg+0xcd/0x170 [11358.283673][ T7704] do_syscall_64+0xc6/0x1e0 [11358.283673][ T7704] [11358.286433][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11358.286433][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11358.286433][ T7704] ipv6_find_idev+0x102/0x170 [11358.286433][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11358.286433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11358.286433][ T7704] netlink_rcv_skb+0x130/0x360 [11358.286433][ T7704] netlink_unicast+0x449/0x710 [11358.286433][ T7704] netlink_sendmsg+0x723/0xbe0 [11358.286433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11358.286433][ T7704] ___sys_sendmsg+0xee/0x170 [11358.286433][ T7704] __sys_sendmsg+0xcd/0x170 [11358.286433][ T7704] do_syscall_64+0xc6/0x1e0 [11358.286433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11358.286433][ T7704] [11358.289014][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11358.289014][ T7704] neigh_parms_alloc+0x1e5/0x510 [11358.289014][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11358.289014][ T7704] ipv6_find_idev+0x102/0x170 [11358.289014][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11358.289014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11358.289014][ T7704] netlink_rcv_skb+0x130/0x360 [11358.289014][ T7704] netlink_unicast+0x449/0x710 [11358.289014][ T7704] netlink_sendmsg+0x723/0xbe0 [11358.289014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11358.289014][ T7704] ___sys_sendmsg+0xee/0x170 [11358.289014][ T7704] __sys_sendmsg+0xcd/0x170 [11358.289014][ T7704] do_syscall_64+0xc6/0x1e0 [11358.289014][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11358.289014][ T7704] [11368.532865][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11368.533428][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11368.533428][ T7704] netdev_get_by_index+0x5e/0x80 [11368.533428][ T7704] fib6_nh_init+0x3d8/0x15b0 [11368.533428][ T7704] ip6_route_info_create+0xf18/0x17d0 [11368.533428][ T7704] ip6_route_add+0x1c/0x140 [11368.533428][ T7704] addrconf_prefix_route+0x2a6/0x430 [11368.533428][ T7704] inet6_addr_add+0x4f8/0xa40 [11368.533428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11368.533428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11368.533428][ T7704] netlink_rcv_skb+0x130/0x360 [11368.533428][ T7704] netlink_unicast+0x449/0x710 [11368.533428][ T7704] netlink_sendmsg+0x723/0xbe0 [11368.533428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11368.533428][ T7704] ___sys_sendmsg+0xee/0x170 [11368.533428][ T7704] __sys_sendmsg+0xcd/0x170 [11368.533428][ T7704] do_syscall_64+0xc6/0x1e0 [11368.533428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11368.533428][ T7704] [11368.537105][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11368.537105][ T7704] netdev_get_by_index+0x5e/0x80 [11368.537105][ T7704] fib6_nh_init+0x3d8/0x15b0 [11368.537105][ T7704] ip6_route_info_create+0xf18/0x17d0 [11368.537105][ T7704] addrconf_f6i_alloc+0x315/0x560 [11368.537105][ T7704] ipv6_add_addr+0x411/0x2000 [11368.537105][ T7704] inet6_addr_add+0x30e/0xa40 [11368.537105][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11368.537105][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11368.537105][ T7704] netlink_rcv_skb+0x130/0x360 [11368.537105][ T7704] netlink_unicast+0x449/0x710 [11368.537105][ T7704] netlink_sendmsg+0x723/0xbe0 [11368.537105][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11368.537105][ T7704] ___sys_sendmsg+0xee/0x170 [11368.537105][ T7704] __sys_sendmsg+0xcd/0x170 [11368.537105][ T7704] do_syscall_64+0xc6/0x1e0 [11368.537105][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11368.537105][ T7704] [11368.540774][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11368.540774][ T7704] netdev_get_by_index+0x5e/0x80 [11368.540774][ T7704] fib6_nh_init+0x3d8/0x15b0 [11368.540774][ T7704] ip6_route_info_create+0xf18/0x17d0 [11368.540774][ T7704] ip6_route_add+0x1c/0x140 [11368.540774][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11368.540774][ T7704] addrconf_add_dev+0xe2/0x170 [11368.540774][ T7704] inet6_addr_add+0x12f/0xa40 [11368.540774][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11368.540774][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11368.540774][ T7704] netlink_rcv_skb+0x130/0x360 [11368.540774][ T7704] netlink_unicast+0x449/0x710 [11368.540774][ T7704] netlink_sendmsg+0x723/0xbe0 [11368.540774][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11368.540774][ T7704] ___sys_sendmsg+0xee/0x170 [11368.540774][ T7704] __sys_sendmsg+0xcd/0x170 [11368.540774][ T7704] do_syscall_64+0xc6/0x1e0 [11368.540774][ T7704] [11368.544949][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11368.544949][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11368.544949][ T7704] ipv6_find_idev+0x102/0x170 [11368.544949][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11368.544949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11368.544949][ T7704] netlink_rcv_skb+0x130/0x360 [11368.544949][ T7704] netlink_unicast+0x449/0x710 [11368.544949][ T7704] netlink_sendmsg+0x723/0xbe0 [11368.544949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11368.544949][ T7704] ___sys_sendmsg+0xee/0x170 [11368.544949][ T7704] __sys_sendmsg+0xcd/0x170 [11368.544949][ T7704] do_syscall_64+0xc6/0x1e0 [11368.544949][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11368.544949][ T7704] [11368.547777][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11368.547777][ T7704] neigh_parms_alloc+0x1e5/0x510 [11368.547777][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11368.547777][ T7704] ipv6_find_idev+0x102/0x170 [11368.547777][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11368.547777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11368.547777][ T7704] netlink_rcv_skb+0x130/0x360 [11368.547777][ T7704] netlink_unicast+0x449/0x710 [11368.547777][ T7704] netlink_sendmsg+0x723/0xbe0 [11368.547777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11368.547777][ T7704] ___sys_sendmsg+0xee/0x170 [11368.547777][ T7704] __sys_sendmsg+0xcd/0x170 [11368.547777][ T7704] do_syscall_64+0xc6/0x1e0 [11368.547777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11368.547777][ T7704] [11378.652855][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11378.653388][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11378.653388][ T7704] netdev_get_by_index+0x5e/0x80 [11378.653388][ T7704] fib6_nh_init+0x3d8/0x15b0 [11378.653388][ T7704] ip6_route_info_create+0xf18/0x17d0 [11378.653388][ T7704] ip6_route_add+0x1c/0x140 [11378.653388][ T7704] addrconf_prefix_route+0x2a6/0x430 [11378.653388][ T7704] inet6_addr_add+0x4f8/0xa40 [11378.653388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11378.653388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11378.653388][ T7704] netlink_rcv_skb+0x130/0x360 [11378.653388][ T7704] netlink_unicast+0x449/0x710 [11378.653388][ T7704] netlink_sendmsg+0x723/0xbe0 [11378.653388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11378.653388][ T7704] ___sys_sendmsg+0xee/0x170 [11378.653388][ T7704] __sys_sendmsg+0xcd/0x170 [11378.653388][ T7704] do_syscall_64+0xc6/0x1e0 [11378.653388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11378.653388][ T7704] [11378.657112][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11378.657112][ T7704] netdev_get_by_index+0x5e/0x80 [11378.657112][ T7704] fib6_nh_init+0x3d8/0x15b0 [11378.657112][ T7704] ip6_route_info_create+0xf18/0x17d0 [11378.657112][ T7704] addrconf_f6i_alloc+0x315/0x560 [11378.657112][ T7704] ipv6_add_addr+0x411/0x2000 [11378.657112][ T7704] inet6_addr_add+0x30e/0xa40 [11378.657112][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11378.657112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11378.657112][ T7704] netlink_rcv_skb+0x130/0x360 [11378.657112][ T7704] netlink_unicast+0x449/0x710 [11378.657112][ T7704] netlink_sendmsg+0x723/0xbe0 [11378.657112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11378.657112][ T7704] ___sys_sendmsg+0xee/0x170 [11378.657112][ T7704] __sys_sendmsg+0xcd/0x170 [11378.657112][ T7704] do_syscall_64+0xc6/0x1e0 [11378.657112][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11378.657112][ T7704] [11378.660838][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11378.660838][ T7704] netdev_get_by_index+0x5e/0x80 [11378.660838][ T7704] fib6_nh_init+0x3d8/0x15b0 [11378.660838][ T7704] ip6_route_info_create+0xf18/0x17d0 [11378.660838][ T7704] ip6_route_add+0x1c/0x140 [11378.660838][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11378.660838][ T7704] addrconf_add_dev+0xe2/0x170 [11378.660838][ T7704] inet6_addr_add+0x12f/0xa40 [11378.660838][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11378.660838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11378.660838][ T7704] netlink_rcv_skb+0x130/0x360 [11378.660838][ T7704] netlink_unicast+0x449/0x710 [11378.660838][ T7704] netlink_sendmsg+0x723/0xbe0 [11378.660838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11378.660838][ T7704] ___sys_sendmsg+0xee/0x170 [11378.660838][ T7704] __sys_sendmsg+0xcd/0x170 [11378.660838][ T7704] do_syscall_64+0xc6/0x1e0 [11378.660838][ T7704] [11378.664429][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11378.664429][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11378.664429][ T7704] ipv6_find_idev+0x102/0x170 [11378.664429][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11378.664429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11378.664429][ T7704] netlink_rcv_skb+0x130/0x360 [11378.664429][ T7704] netlink_unicast+0x449/0x710 [11378.664429][ T7704] netlink_sendmsg+0x723/0xbe0 [11378.664429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11378.664429][ T7704] ___sys_sendmsg+0xee/0x170 [11378.664429][ T7704] __sys_sendmsg+0xcd/0x170 [11378.664429][ T7704] do_syscall_64+0xc6/0x1e0 [11378.664429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11378.664429][ T7704] [11378.667243][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11378.667243][ T7704] neigh_parms_alloc+0x1e5/0x510 [11378.667243][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11378.667243][ T7704] ipv6_find_idev+0x102/0x170 [11378.667243][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11378.667243][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11378.667243][ T7704] netlink_rcv_skb+0x130/0x360 [11378.667243][ T7704] netlink_unicast+0x449/0x710 [11378.667243][ T7704] netlink_sendmsg+0x723/0xbe0 [11378.667243][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11378.667243][ T7704] ___sys_sendmsg+0xee/0x170 [11378.667243][ T7704] __sys_sendmsg+0xcd/0x170 [11378.667243][ T7704] do_syscall_64+0xc6/0x1e0 [11378.667243][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11378.667243][ T7704] [11388.908788][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11388.909213][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11388.909213][ T7704] netdev_get_by_index+0x5e/0x80 [11388.909213][ T7704] fib6_nh_init+0x3d8/0x15b0 [11388.909213][ T7704] ip6_route_info_create+0xf18/0x17d0 [11388.909213][ T7704] ip6_route_add+0x1c/0x140 [11388.909213][ T7704] addrconf_prefix_route+0x2a6/0x430 [11388.909213][ T7704] inet6_addr_add+0x4f8/0xa40 [11388.909213][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11388.909213][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11388.909213][ T7704] netlink_rcv_skb+0x130/0x360 [11388.909213][ T7704] netlink_unicast+0x449/0x710 [11388.909213][ T7704] netlink_sendmsg+0x723/0xbe0 [11388.909213][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11388.909213][ T7704] ___sys_sendmsg+0xee/0x170 [11388.909213][ T7704] __sys_sendmsg+0xcd/0x170 [11388.909213][ T7704] do_syscall_64+0xc6/0x1e0 [11388.909213][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11388.909213][ T7704] [11388.911565][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11388.911565][ T7704] netdev_get_by_index+0x5e/0x80 [11388.911565][ T7704] fib6_nh_init+0x3d8/0x15b0 [11388.911565][ T7704] ip6_route_info_create+0xf18/0x17d0 [11388.911565][ T7704] addrconf_f6i_alloc+0x315/0x560 [11388.911565][ T7704] ipv6_add_addr+0x411/0x2000 [11388.911565][ T7704] inet6_addr_add+0x30e/0xa40 [11388.911565][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11388.911565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11388.911565][ T7704] netlink_rcv_skb+0x130/0x360 [11388.911565][ T7704] netlink_unicast+0x449/0x710 [11388.911565][ T7704] netlink_sendmsg+0x723/0xbe0 [11388.911565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11388.911565][ T7704] ___sys_sendmsg+0xee/0x170 [11388.911565][ T7704] __sys_sendmsg+0xcd/0x170 [11388.911565][ T7704] do_syscall_64+0xc6/0x1e0 [11388.911565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11388.911565][ T7704] [11388.913777][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11388.913777][ T7704] netdev_get_by_index+0x5e/0x80 [11388.913777][ T7704] fib6_nh_init+0x3d8/0x15b0 [11388.913777][ T7704] ip6_route_info_create+0xf18/0x17d0 [11388.913777][ T7704] ip6_route_add+0x1c/0x140 [11388.913777][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11388.913777][ T7704] addrconf_add_dev+0xe2/0x170 [11388.913777][ T7704] inet6_addr_add+0x12f/0xa40 [11388.913777][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11388.913777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11388.913777][ T7704] netlink_rcv_skb+0x130/0x360 [11388.913777][ T7704] netlink_unicast+0x449/0x710 [11388.913777][ T7704] netlink_sendmsg+0x723/0xbe0 [11388.913777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11388.913777][ T7704] ___sys_sendmsg+0xee/0x170 [11388.913777][ T7704] __sys_sendmsg+0xcd/0x170 [11388.913777][ T7704] do_syscall_64+0xc6/0x1e0 [11388.913777][ T7704] [11388.915939][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11388.915939][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11388.915939][ T7704] ipv6_find_idev+0x102/0x170 [11388.915939][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11388.915939][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11388.915939][ T7704] netlink_rcv_skb+0x130/0x360 [11388.915939][ T7704] netlink_unicast+0x449/0x710 [11388.915939][ T7704] netlink_sendmsg+0x723/0xbe0 [11388.915939][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11388.915939][ T7704] ___sys_sendmsg+0xee/0x170 [11388.915939][ T7704] __sys_sendmsg+0xcd/0x170 [11388.915939][ T7704] do_syscall_64+0xc6/0x1e0 [11388.915939][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11388.915939][ T7704] [11388.917635][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11388.917635][ T7704] neigh_parms_alloc+0x1e5/0x510 [11388.917635][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11388.917635][ T7704] ipv6_find_idev+0x102/0x170 [11388.917635][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11388.917635][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11388.917635][ T7704] netlink_rcv_skb+0x130/0x360 [11388.917635][ T7704] netlink_unicast+0x449/0x710 [11388.917635][ T7704] netlink_sendmsg+0x723/0xbe0 [11388.917635][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11388.917635][ T7704] ___sys_sendmsg+0xee/0x170 [11388.917635][ T7704] __sys_sendmsg+0xcd/0x170 [11388.917635][ T7704] do_syscall_64+0xc6/0x1e0 [11388.917635][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11388.917635][ T7704] [11399.156860][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11399.157401][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11399.157401][ T7704] netdev_get_by_index+0x5e/0x80 [11399.157401][ T7704] fib6_nh_init+0x3d8/0x15b0 [11399.157401][ T7704] ip6_route_info_create+0xf18/0x17d0 [11399.157401][ T7704] ip6_route_add+0x1c/0x140 [11399.157401][ T7704] addrconf_prefix_route+0x2a6/0x430 [11399.157401][ T7704] inet6_addr_add+0x4f8/0xa40 [11399.157401][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11399.157401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11399.157401][ T7704] netlink_rcv_skb+0x130/0x360 [11399.157401][ T7704] netlink_unicast+0x449/0x710 [11399.157401][ T7704] netlink_sendmsg+0x723/0xbe0 [11399.157401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11399.157401][ T7704] ___sys_sendmsg+0xee/0x170 [11399.157401][ T7704] __sys_sendmsg+0xcd/0x170 [11399.157401][ T7704] do_syscall_64+0xc6/0x1e0 [11399.157401][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11399.157401][ T7704] [11399.161043][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11399.161043][ T7704] netdev_get_by_index+0x5e/0x80 [11399.161043][ T7704] fib6_nh_init+0x3d8/0x15b0 [11399.161043][ T7704] ip6_route_info_create+0xf18/0x17d0 [11399.161043][ T7704] addrconf_f6i_alloc+0x315/0x560 [11399.161043][ T7704] ipv6_add_addr+0x411/0x2000 [11399.161043][ T7704] inet6_addr_add+0x30e/0xa40 [11399.161043][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11399.161043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11399.161043][ T7704] netlink_rcv_skb+0x130/0x360 [11399.161043][ T7704] netlink_unicast+0x449/0x710 [11399.161043][ T7704] netlink_sendmsg+0x723/0xbe0 [11399.161043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11399.161043][ T7704] ___sys_sendmsg+0xee/0x170 [11399.161043][ T7704] __sys_sendmsg+0xcd/0x170 [11399.161043][ T7704] do_syscall_64+0xc6/0x1e0 [11399.161043][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11399.161043][ T7704] [11399.164711][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11399.164711][ T7704] netdev_get_by_index+0x5e/0x80 [11399.164711][ T7704] fib6_nh_init+0x3d8/0x15b0 [11399.164711][ T7704] ip6_route_info_create+0xf18/0x17d0 [11399.164711][ T7704] ip6_route_add+0x1c/0x140 [11399.164711][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11399.164711][ T7704] addrconf_add_dev+0xe2/0x170 [11399.164711][ T7704] inet6_addr_add+0x12f/0xa40 [11399.164711][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11399.164711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11399.164711][ T7704] netlink_rcv_skb+0x130/0x360 [11399.164711][ T7704] netlink_unicast+0x449/0x710 [11399.164711][ T7704] netlink_sendmsg+0x723/0xbe0 [11399.164711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11399.164711][ T7704] ___sys_sendmsg+0xee/0x170 [11399.164711][ T7704] __sys_sendmsg+0xcd/0x170 [11399.164711][ T7704] do_syscall_64+0xc6/0x1e0 [11399.164711][ T7704] [11399.168305][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11399.168305][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11399.168305][ T7704] ipv6_find_idev+0x102/0x170 [11399.168305][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11399.168305][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11399.168305][ T7704] netlink_rcv_skb+0x130/0x360 [11399.168305][ T7704] netlink_unicast+0x449/0x710 [11399.168305][ T7704] netlink_sendmsg+0x723/0xbe0 [11399.168305][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11399.168305][ T7704] ___sys_sendmsg+0xee/0x170 [11399.168305][ T7704] __sys_sendmsg+0xcd/0x170 [11399.168305][ T7704] do_syscall_64+0xc6/0x1e0 [11399.168305][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11399.168305][ T7704] [11399.171114][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11399.171114][ T7704] neigh_parms_alloc+0x1e5/0x510 [11399.171114][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11399.171114][ T7704] ipv6_find_idev+0x102/0x170 [11399.171114][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11399.171114][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11399.171114][ T7704] netlink_rcv_skb+0x130/0x360 [11399.171114][ T7704] netlink_unicast+0x449/0x710 [11399.171114][ T7704] netlink_sendmsg+0x723/0xbe0 [11399.171114][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11399.171114][ T7704] ___sys_sendmsg+0xee/0x170 [11399.171114][ T7704] __sys_sendmsg+0xcd/0x170 [11399.171114][ T7704] do_syscall_64+0xc6/0x1e0 [11399.171114][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11399.171114][ T7704] [11409.412839][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11409.413268][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11409.413268][ T7704] netdev_get_by_index+0x5e/0x80 [11409.413268][ T7704] fib6_nh_init+0x3d8/0x15b0 [11409.413268][ T7704] ip6_route_info_create+0xf18/0x17d0 [11409.413268][ T7704] ip6_route_add+0x1c/0x140 [11409.413268][ T7704] addrconf_prefix_route+0x2a6/0x430 [11409.413268][ T7704] inet6_addr_add+0x4f8/0xa40 [11409.413268][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11409.413268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11409.413268][ T7704] netlink_rcv_skb+0x130/0x360 [11409.413268][ T7704] netlink_unicast+0x449/0x710 [11409.413268][ T7704] netlink_sendmsg+0x723/0xbe0 [11409.413268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11409.413268][ T7704] ___sys_sendmsg+0xee/0x170 [11409.413268][ T7704] __sys_sendmsg+0xcd/0x170 [11409.413268][ T7704] do_syscall_64+0xc6/0x1e0 [11409.413268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11409.413268][ T7704] [11409.415539][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11409.415539][ T7704] netdev_get_by_index+0x5e/0x80 [11409.415539][ T7704] fib6_nh_init+0x3d8/0x15b0 [11409.415539][ T7704] ip6_route_info_create+0xf18/0x17d0 [11409.415539][ T7704] addrconf_f6i_alloc+0x315/0x560 [11409.415539][ T7704] ipv6_add_addr+0x411/0x2000 [11409.415539][ T7704] inet6_addr_add+0x30e/0xa40 [11409.415539][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11409.415539][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11409.415539][ T7704] netlink_rcv_skb+0x130/0x360 [11409.415539][ T7704] netlink_unicast+0x449/0x710 [11409.415539][ T7704] netlink_sendmsg+0x723/0xbe0 [11409.415539][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11409.415539][ T7704] ___sys_sendmsg+0xee/0x170 [11409.415539][ T7704] __sys_sendmsg+0xcd/0x170 [11409.415539][ T7704] do_syscall_64+0xc6/0x1e0 [11409.415539][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11409.415539][ T7704] [11409.417762][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11409.417762][ T7704] netdev_get_by_index+0x5e/0x80 [11409.417762][ T7704] fib6_nh_init+0x3d8/0x15b0 [11409.417762][ T7704] ip6_route_info_create+0xf18/0x17d0 [11409.417762][ T7704] ip6_route_add+0x1c/0x140 [11409.417762][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11409.417762][ T7704] addrconf_add_dev+0xe2/0x170 [11409.417762][ T7704] inet6_addr_add+0x12f/0xa40 [11409.417762][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11409.417762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11409.417762][ T7704] netlink_rcv_skb+0x130/0x360 [11409.417762][ T7704] netlink_unicast+0x449/0x710 [11409.417762][ T7704] netlink_sendmsg+0x723/0xbe0 [11409.417762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11409.417762][ T7704] ___sys_sendmsg+0xee/0x170 [11409.417762][ T7704] __sys_sendmsg+0xcd/0x170 [11409.417762][ T7704] do_syscall_64+0xc6/0x1e0 [11409.417762][ T7704] [11409.419986][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11409.419986][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11409.419986][ T7704] ipv6_find_idev+0x102/0x170 [11409.419986][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11409.419986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11409.419986][ T7704] netlink_rcv_skb+0x130/0x360 [11409.419986][ T7704] netlink_unicast+0x449/0x710 [11409.419986][ T7704] netlink_sendmsg+0x723/0xbe0 [11409.419986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11409.419986][ T7704] ___sys_sendmsg+0xee/0x170 [11409.419986][ T7704] __sys_sendmsg+0xcd/0x170 [11409.419986][ T7704] do_syscall_64+0xc6/0x1e0 [11409.419986][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11409.419986][ T7704] [11409.421712][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11409.421712][ T7704] neigh_parms_alloc+0x1e5/0x510 [11409.421712][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11409.421712][ T7704] ipv6_find_idev+0x102/0x170 [11409.421712][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11409.421712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11409.421712][ T7704] netlink_rcv_skb+0x130/0x360 [11409.421712][ T7704] netlink_unicast+0x449/0x710 [11409.421712][ T7704] netlink_sendmsg+0x723/0xbe0 [11409.421712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11409.421712][ T7704] ___sys_sendmsg+0xee/0x170 [11409.421712][ T7704] __sys_sendmsg+0xcd/0x170 [11409.421712][ T7704] do_syscall_64+0xc6/0x1e0 [11409.421712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11409.421712][ T7704] [11419.660814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11419.661251][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11419.661251][ T7704] netdev_get_by_index+0x5e/0x80 [11419.661251][ T7704] fib6_nh_init+0x3d8/0x15b0 [11419.661251][ T7704] ip6_route_info_create+0xf18/0x17d0 [11419.661251][ T7704] ip6_route_add+0x1c/0x140 [11419.661251][ T7704] addrconf_prefix_route+0x2a6/0x430 [11419.661251][ T7704] inet6_addr_add+0x4f8/0xa40 [11419.661251][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11419.661251][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11419.661251][ T7704] netlink_rcv_skb+0x130/0x360 [11419.661251][ T7704] netlink_unicast+0x449/0x710 [11419.661251][ T7704] netlink_sendmsg+0x723/0xbe0 [11419.661251][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11419.661251][ T7704] ___sys_sendmsg+0xee/0x170 [11419.661251][ T7704] __sys_sendmsg+0xcd/0x170 [11419.661251][ T7704] do_syscall_64+0xc6/0x1e0 [11419.661251][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11419.661251][ T7704] [11419.663519][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11419.663519][ T7704] netdev_get_by_index+0x5e/0x80 [11419.663519][ T7704] fib6_nh_init+0x3d8/0x15b0 [11419.663519][ T7704] ip6_route_info_create+0xf18/0x17d0 [11419.663519][ T7704] addrconf_f6i_alloc+0x315/0x560 [11419.663519][ T7704] ipv6_add_addr+0x411/0x2000 [11419.663519][ T7704] inet6_addr_add+0x30e/0xa40 [11419.663519][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11419.663519][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11419.663519][ T7704] netlink_rcv_skb+0x130/0x360 [11419.663519][ T7704] netlink_unicast+0x449/0x710 [11419.663519][ T7704] netlink_sendmsg+0x723/0xbe0 [11419.663519][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11419.663519][ T7704] ___sys_sendmsg+0xee/0x170 [11419.663519][ T7704] __sys_sendmsg+0xcd/0x170 [11419.663519][ T7704] do_syscall_64+0xc6/0x1e0 [11419.663519][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11419.663519][ T7704] [11419.665746][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11419.665746][ T7704] netdev_get_by_index+0x5e/0x80 [11419.665746][ T7704] fib6_nh_init+0x3d8/0x15b0 [11419.665746][ T7704] ip6_route_info_create+0xf18/0x17d0 [11419.665746][ T7704] ip6_route_add+0x1c/0x140 [11419.665746][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11419.665746][ T7704] addrconf_add_dev+0xe2/0x170 [11419.665746][ T7704] inet6_addr_add+0x12f/0xa40 [11419.665746][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11419.665746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11419.665746][ T7704] netlink_rcv_skb+0x130/0x360 [11419.665746][ T7704] netlink_unicast+0x449/0x710 [11419.665746][ T7704] netlink_sendmsg+0x723/0xbe0 [11419.665746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11419.665746][ T7704] ___sys_sendmsg+0xee/0x170 [11419.665746][ T7704] __sys_sendmsg+0xcd/0x170 [11419.665746][ T7704] do_syscall_64+0xc6/0x1e0 [11419.665746][ T7704] [11419.667974][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11419.667974][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11419.667974][ T7704] ipv6_find_idev+0x102/0x170 [11419.667974][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11419.667974][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11419.667974][ T7704] netlink_rcv_skb+0x130/0x360 [11419.667974][ T7704] netlink_unicast+0x449/0x710 [11419.667974][ T7704] netlink_sendmsg+0x723/0xbe0 [11419.667974][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11419.667974][ T7704] ___sys_sendmsg+0xee/0x170 [11419.667974][ T7704] __sys_sendmsg+0xcd/0x170 [11419.667974][ T7704] do_syscall_64+0xc6/0x1e0 [11419.667974][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11419.667974][ T7704] [11419.669708][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11419.669708][ T7704] neigh_parms_alloc+0x1e5/0x510 [11419.669708][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11419.669708][ T7704] ipv6_find_idev+0x102/0x170 [11419.669708][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11419.669708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11419.669708][ T7704] netlink_rcv_skb+0x130/0x360 [11419.669708][ T7704] netlink_unicast+0x449/0x710 [11419.669708][ T7704] netlink_sendmsg+0x723/0xbe0 [11419.669708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11419.669708][ T7704] ___sys_sendmsg+0xee/0x170 [11419.669708][ T7704] __sys_sendmsg+0xcd/0x170 [11419.669708][ T7704] do_syscall_64+0xc6/0x1e0 [11419.669708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11419.669708][ T7704] [11429.908781][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11429.909264][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11429.909264][ T7704] netdev_get_by_index+0x5e/0x80 [11429.909264][ T7704] fib6_nh_init+0x3d8/0x15b0 [11429.909264][ T7704] ip6_route_info_create+0xf18/0x17d0 [11429.909264][ T7704] ip6_route_add+0x1c/0x140 [11429.909264][ T7704] addrconf_prefix_route+0x2a6/0x430 [11429.909264][ T7704] inet6_addr_add+0x4f8/0xa40 [11429.909264][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11429.909264][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11429.909264][ T7704] netlink_rcv_skb+0x130/0x360 [11429.909264][ T7704] netlink_unicast+0x449/0x710 [11429.909264][ T7704] netlink_sendmsg+0x723/0xbe0 [11429.909264][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11429.909264][ T7704] ___sys_sendmsg+0xee/0x170 [11429.909264][ T7704] __sys_sendmsg+0xcd/0x170 [11429.909264][ T7704] do_syscall_64+0xc6/0x1e0 [11429.909264][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11429.909264][ T7704] [11429.911496][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11429.911496][ T7704] netdev_get_by_index+0x5e/0x80 [11429.911496][ T7704] fib6_nh_init+0x3d8/0x15b0 [11429.911496][ T7704] ip6_route_info_create+0xf18/0x17d0 [11429.911496][ T7704] addrconf_f6i_alloc+0x315/0x560 [11429.911496][ T7704] ipv6_add_addr+0x411/0x2000 [11429.911496][ T7704] inet6_addr_add+0x30e/0xa40 [11429.911496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11429.911496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11429.911496][ T7704] netlink_rcv_skb+0x130/0x360 [11429.911496][ T7704] netlink_unicast+0x449/0x710 [11429.911496][ T7704] netlink_sendmsg+0x723/0xbe0 [11429.911496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11429.911496][ T7704] ___sys_sendmsg+0xee/0x170 [11429.911496][ T7704] __sys_sendmsg+0xcd/0x170 [11429.911496][ T7704] do_syscall_64+0xc6/0x1e0 [11429.911496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11429.911496][ T7704] [11429.913711][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11429.913711][ T7704] netdev_get_by_index+0x5e/0x80 [11429.913711][ T7704] fib6_nh_init+0x3d8/0x15b0 [11429.913711][ T7704] ip6_route_info_create+0xf18/0x17d0 [11429.913711][ T7704] ip6_route_add+0x1c/0x140 [11429.913711][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11429.913711][ T7704] addrconf_add_dev+0xe2/0x170 [11429.913711][ T7704] inet6_addr_add+0x12f/0xa40 [11429.913711][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11429.913711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11429.913711][ T7704] netlink_rcv_skb+0x130/0x360 [11429.913711][ T7704] netlink_unicast+0x449/0x710 [11429.913711][ T7704] netlink_sendmsg+0x723/0xbe0 [11429.913711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11429.913711][ T7704] ___sys_sendmsg+0xee/0x170 [11429.913711][ T7704] __sys_sendmsg+0xcd/0x170 [11429.913711][ T7704] do_syscall_64+0xc6/0x1e0 [11429.913711][ T7704] [11429.915883][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11429.915883][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11429.915883][ T7704] ipv6_find_idev+0x102/0x170 [11429.915883][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11429.915883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11429.915883][ T7704] netlink_rcv_skb+0x130/0x360 [11429.915883][ T7704] netlink_unicast+0x449/0x710 [11429.915883][ T7704] netlink_sendmsg+0x723/0xbe0 [11429.915883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11429.915883][ T7704] ___sys_sendmsg+0xee/0x170 [11429.915883][ T7704] __sys_sendmsg+0xcd/0x170 [11429.915883][ T7704] do_syscall_64+0xc6/0x1e0 [11429.915883][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11429.915883][ T7704] [11429.917585][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11429.917585][ T7704] neigh_parms_alloc+0x1e5/0x510 [11429.917585][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11429.917585][ T7704] ipv6_find_idev+0x102/0x170 [11429.917585][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11429.917585][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11429.917585][ T7704] netlink_rcv_skb+0x130/0x360 [11429.917585][ T7704] netlink_unicast+0x449/0x710 [11429.917585][ T7704] netlink_sendmsg+0x723/0xbe0 [11429.917585][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11429.917585][ T7704] ___sys_sendmsg+0xee/0x170 [11429.917585][ T7704] __sys_sendmsg+0xcd/0x170 [11429.917585][ T7704] do_syscall_64+0xc6/0x1e0 [11429.917585][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11429.917585][ T7704] [11440.156789][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11440.157230][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11440.157230][ T7704] netdev_get_by_index+0x5e/0x80 [11440.157230][ T7704] fib6_nh_init+0x3d8/0x15b0 [11440.157230][ T7704] ip6_route_info_create+0xf18/0x17d0 [11440.157230][ T7704] ip6_route_add+0x1c/0x140 [11440.157230][ T7704] addrconf_prefix_route+0x2a6/0x430 [11440.157230][ T7704] inet6_addr_add+0x4f8/0xa40 [11440.157230][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11440.157230][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11440.157230][ T7704] netlink_rcv_skb+0x130/0x360 [11440.157230][ T7704] netlink_unicast+0x449/0x710 [11440.157230][ T7704] netlink_sendmsg+0x723/0xbe0 [11440.157230][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11440.157230][ T7704] ___sys_sendmsg+0xee/0x170 [11440.157230][ T7704] __sys_sendmsg+0xcd/0x170 [11440.157230][ T7704] do_syscall_64+0xc6/0x1e0 [11440.157230][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11440.157230][ T7704] [11440.159594][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11440.159594][ T7704] netdev_get_by_index+0x5e/0x80 [11440.159594][ T7704] fib6_nh_init+0x3d8/0x15b0 [11440.159594][ T7704] ip6_route_info_create+0xf18/0x17d0 [11440.159594][ T7704] addrconf_f6i_alloc+0x315/0x560 [11440.159594][ T7704] ipv6_add_addr+0x411/0x2000 [11440.159594][ T7704] inet6_addr_add+0x30e/0xa40 [11440.159594][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11440.159594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11440.159594][ T7704] netlink_rcv_skb+0x130/0x360 [11440.159594][ T7704] netlink_unicast+0x449/0x710 [11440.159594][ T7704] netlink_sendmsg+0x723/0xbe0 [11440.159594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11440.159594][ T7704] ___sys_sendmsg+0xee/0x170 [11440.159594][ T7704] __sys_sendmsg+0xcd/0x170 [11440.159594][ T7704] do_syscall_64+0xc6/0x1e0 [11440.159594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11440.159594][ T7704] [11440.161881][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11440.161881][ T7704] netdev_get_by_index+0x5e/0x80 [11440.161881][ T7704] fib6_nh_init+0x3d8/0x15b0 [11440.161881][ T7704] ip6_route_info_create+0xf18/0x17d0 [11440.161881][ T7704] ip6_route_add+0x1c/0x140 [11440.161881][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11440.161881][ T7704] addrconf_add_dev+0xe2/0x170 [11440.161881][ T7704] inet6_addr_add+0x12f/0xa40 [11440.161881][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11440.161881][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11440.161881][ T7704] netlink_rcv_skb+0x130/0x360 [11440.161881][ T7704] netlink_unicast+0x449/0x710 [11440.161881][ T7704] netlink_sendmsg+0x723/0xbe0 [11440.161881][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11440.161881][ T7704] ___sys_sendmsg+0xee/0x170 [11440.161881][ T7704] __sys_sendmsg+0xcd/0x170 [11440.161881][ T7704] do_syscall_64+0xc6/0x1e0 [11440.161881][ T7704] [11440.164154][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11440.164154][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11440.164154][ T7704] ipv6_find_idev+0x102/0x170 [11440.164154][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11440.164154][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11440.164154][ T7704] netlink_rcv_skb+0x130/0x360 [11440.164154][ T7704] netlink_unicast+0x449/0x710 [11440.164154][ T7704] netlink_sendmsg+0x723/0xbe0 [11440.164154][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11440.164154][ T7704] ___sys_sendmsg+0xee/0x170 [11440.164154][ T7704] __sys_sendmsg+0xcd/0x170 [11440.164154][ T7704] do_syscall_64+0xc6/0x1e0 [11440.164154][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11440.164154][ T7704] [11440.165937][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11440.165937][ T7704] neigh_parms_alloc+0x1e5/0x510 [11440.165937][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11440.165937][ T7704] ipv6_find_idev+0x102/0x170 [11440.165937][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11440.165937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11440.165937][ T7704] netlink_rcv_skb+0x130/0x360 [11440.165937][ T7704] netlink_unicast+0x449/0x710 [11440.165937][ T7704] netlink_sendmsg+0x723/0xbe0 [11440.165937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11440.165937][ T7704] ___sys_sendmsg+0xee/0x170 [11440.165937][ T7704] __sys_sendmsg+0xcd/0x170 [11440.165937][ T7704] do_syscall_64+0xc6/0x1e0 [11440.165937][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11440.165937][ T7704] [11450.404852][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11450.405273][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11450.405273][ T7704] netdev_get_by_index+0x5e/0x80 [11450.405273][ T7704] fib6_nh_init+0x3d8/0x15b0 [11450.405273][ T7704] ip6_route_info_create+0xf18/0x17d0 [11450.405273][ T7704] ip6_route_add+0x1c/0x140 [11450.405273][ T7704] addrconf_prefix_route+0x2a6/0x430 [11450.405273][ T7704] inet6_addr_add+0x4f8/0xa40 [11450.405273][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11450.405273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11450.405273][ T7704] netlink_rcv_skb+0x130/0x360 [11450.405273][ T7704] netlink_unicast+0x449/0x710 [11450.405273][ T7704] netlink_sendmsg+0x723/0xbe0 [11450.405273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11450.405273][ T7704] ___sys_sendmsg+0xee/0x170 [11450.405273][ T7704] __sys_sendmsg+0xcd/0x170 [11450.405273][ T7704] do_syscall_64+0xc6/0x1e0 [11450.405273][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11450.405273][ T7704] [11450.407537][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11450.407537][ T7704] netdev_get_by_index+0x5e/0x80 [11450.407537][ T7704] fib6_nh_init+0x3d8/0x15b0 [11450.407537][ T7704] ip6_route_info_create+0xf18/0x17d0 [11450.407537][ T7704] addrconf_f6i_alloc+0x315/0x560 [11450.407537][ T7704] ipv6_add_addr+0x411/0x2000 [11450.407537][ T7704] inet6_addr_add+0x30e/0xa40 [11450.407537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11450.407537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11450.407537][ T7704] netlink_rcv_skb+0x130/0x360 [11450.407537][ T7704] netlink_unicast+0x449/0x710 [11450.407537][ T7704] netlink_sendmsg+0x723/0xbe0 [11450.407537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11450.407537][ T7704] ___sys_sendmsg+0xee/0x170 [11450.407537][ T7704] __sys_sendmsg+0xcd/0x170 [11450.407537][ T7704] do_syscall_64+0xc6/0x1e0 [11450.407537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11450.407537][ T7704] [11450.409812][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11450.409812][ T7704] netdev_get_by_index+0x5e/0x80 [11450.409812][ T7704] fib6_nh_init+0x3d8/0x15b0 [11450.409812][ T7704] ip6_route_info_create+0xf18/0x17d0 [11450.409812][ T7704] ip6_route_add+0x1c/0x140 [11450.409812][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11450.409812][ T7704] addrconf_add_dev+0xe2/0x170 [11450.409812][ T7704] inet6_addr_add+0x12f/0xa40 [11450.409812][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11450.409812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11450.409812][ T7704] netlink_rcv_skb+0x130/0x360 [11450.409812][ T7704] netlink_unicast+0x449/0x710 [11450.409812][ T7704] netlink_sendmsg+0x723/0xbe0 [11450.409812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11450.409812][ T7704] ___sys_sendmsg+0xee/0x170 [11450.409812][ T7704] __sys_sendmsg+0xcd/0x170 [11450.409812][ T7704] do_syscall_64+0xc6/0x1e0 [11450.409812][ T7704] [11450.412018][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11450.412018][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11450.412018][ T7704] ipv6_find_idev+0x102/0x170 [11450.412018][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11450.412018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11450.412018][ T7704] netlink_rcv_skb+0x130/0x360 [11450.412018][ T7704] netlink_unicast+0x449/0x710 [11450.412018][ T7704] netlink_sendmsg+0x723/0xbe0 [11450.412018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11450.412018][ T7704] ___sys_sendmsg+0xee/0x170 [11450.412018][ T7704] __sys_sendmsg+0xcd/0x170 [11450.412018][ T7704] do_syscall_64+0xc6/0x1e0 [11450.412018][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11450.412018][ T7704] [11450.413731][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11450.413731][ T7704] neigh_parms_alloc+0x1e5/0x510 [11450.413731][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11450.413731][ T7704] ipv6_find_idev+0x102/0x170 [11450.413731][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11450.413731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11450.413731][ T7704] netlink_rcv_skb+0x130/0x360 [11450.413731][ T7704] netlink_unicast+0x449/0x710 [11450.413731][ T7704] netlink_sendmsg+0x723/0xbe0 [11450.413731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11450.413731][ T7704] ___sys_sendmsg+0xee/0x170 [11450.413731][ T7704] __sys_sendmsg+0xcd/0x170 [11450.413731][ T7704] do_syscall_64+0xc6/0x1e0 [11450.413731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11450.413731][ T7704] [11460.628781][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11460.629226][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11460.629226][ T7704] netdev_get_by_index+0x5e/0x80 [11460.629226][ T7704] fib6_nh_init+0x3d8/0x15b0 [11460.629226][ T7704] ip6_route_info_create+0xf18/0x17d0 [11460.629226][ T7704] ip6_route_add+0x1c/0x140 [11460.629226][ T7704] addrconf_prefix_route+0x2a6/0x430 [11460.629226][ T7704] inet6_addr_add+0x4f8/0xa40 [11460.629226][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11460.629226][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11460.629226][ T7704] netlink_rcv_skb+0x130/0x360 [11460.629226][ T7704] netlink_unicast+0x449/0x710 [11460.629226][ T7704] netlink_sendmsg+0x723/0xbe0 [11460.629226][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11460.629226][ T7704] ___sys_sendmsg+0xee/0x170 [11460.629226][ T7704] __sys_sendmsg+0xcd/0x170 [11460.629226][ T7704] do_syscall_64+0xc6/0x1e0 [11460.629226][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11460.629226][ T7704] [11460.631506][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11460.631506][ T7704] netdev_get_by_index+0x5e/0x80 [11460.631506][ T7704] fib6_nh_init+0x3d8/0x15b0 [11460.631506][ T7704] ip6_route_info_create+0xf18/0x17d0 [11460.631506][ T7704] addrconf_f6i_alloc+0x315/0x560 [11460.631506][ T7704] ipv6_add_addr+0x411/0x2000 [11460.631506][ T7704] inet6_addr_add+0x30e/0xa40 [11460.631506][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11460.631506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11460.631506][ T7704] netlink_rcv_skb+0x130/0x360 [11460.631506][ T7704] netlink_unicast+0x449/0x710 [11460.631506][ T7704] netlink_sendmsg+0x723/0xbe0 [11460.631506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11460.631506][ T7704] ___sys_sendmsg+0xee/0x170 [11460.631506][ T7704] __sys_sendmsg+0xcd/0x170 [11460.631506][ T7704] do_syscall_64+0xc6/0x1e0 [11460.631506][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11460.631506][ T7704] [11460.633764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11460.633764][ T7704] netdev_get_by_index+0x5e/0x80 [11460.633764][ T7704] fib6_nh_init+0x3d8/0x15b0 [11460.633764][ T7704] ip6_route_info_create+0xf18/0x17d0 [11460.633764][ T7704] ip6_route_add+0x1c/0x140 [11460.633764][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11460.633764][ T7704] addrconf_add_dev+0xe2/0x170 [11460.633764][ T7704] inet6_addr_add+0x12f/0xa40 [11460.633764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11460.633764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11460.633764][ T7704] netlink_rcv_skb+0x130/0x360 [11460.633764][ T7704] netlink_unicast+0x449/0x710 [11460.633764][ T7704] netlink_sendmsg+0x723/0xbe0 [11460.633764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11460.633764][ T7704] ___sys_sendmsg+0xee/0x170 [11460.633764][ T7704] __sys_sendmsg+0xcd/0x170 [11460.633764][ T7704] do_syscall_64+0xc6/0x1e0 [11460.633764][ T7704] [11460.635966][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11460.635966][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11460.635966][ T7704] ipv6_find_idev+0x102/0x170 [11460.635966][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11460.635966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11460.635966][ T7704] netlink_rcv_skb+0x130/0x360 [11460.635966][ T7704] netlink_unicast+0x449/0x710 [11460.635966][ T7704] netlink_sendmsg+0x723/0xbe0 [11460.635966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11460.635966][ T7704] ___sys_sendmsg+0xee/0x170 [11460.635966][ T7704] __sys_sendmsg+0xcd/0x170 [11460.635966][ T7704] do_syscall_64+0xc6/0x1e0 [11460.635966][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11460.635966][ T7704] [11460.637737][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11460.637737][ T7704] neigh_parms_alloc+0x1e5/0x510 [11460.637737][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11460.637737][ T7704] ipv6_find_idev+0x102/0x170 [11460.637737][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11460.637737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11460.637737][ T7704] netlink_rcv_skb+0x130/0x360 [11460.637737][ T7704] netlink_unicast+0x449/0x710 [11460.637737][ T7704] netlink_sendmsg+0x723/0xbe0 [11460.637737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11460.637737][ T7704] ___sys_sendmsg+0xee/0x170 [11460.637737][ T7704] __sys_sendmsg+0xcd/0x170 [11460.637737][ T7704] do_syscall_64+0xc6/0x1e0 [11460.637737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11460.637737][ T7704] [11470.772854][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11470.773296][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11470.773296][ T7704] netdev_get_by_index+0x5e/0x80 [11470.773296][ T7704] fib6_nh_init+0x3d8/0x15b0 [11470.773296][ T7704] ip6_route_info_create+0xf18/0x17d0 [11470.773296][ T7704] ip6_route_add+0x1c/0x140 [11470.773296][ T7704] addrconf_prefix_route+0x2a6/0x430 [11470.773296][ T7704] inet6_addr_add+0x4f8/0xa40 [11470.773296][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11470.773296][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11470.773296][ T7704] netlink_rcv_skb+0x130/0x360 [11470.773296][ T7704] netlink_unicast+0x449/0x710 [11470.773296][ T7704] netlink_sendmsg+0x723/0xbe0 [11470.773296][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11470.773296][ T7704] ___sys_sendmsg+0xee/0x170 [11470.773296][ T7704] __sys_sendmsg+0xcd/0x170 [11470.773296][ T7704] do_syscall_64+0xc6/0x1e0 [11470.773296][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11470.773296][ T7704] [11470.775572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11470.775572][ T7704] netdev_get_by_index+0x5e/0x80 [11470.775572][ T7704] fib6_nh_init+0x3d8/0x15b0 [11470.775572][ T7704] ip6_route_info_create+0xf18/0x17d0 [11470.775572][ T7704] addrconf_f6i_alloc+0x315/0x560 [11470.775572][ T7704] ipv6_add_addr+0x411/0x2000 [11470.775572][ T7704] inet6_addr_add+0x30e/0xa40 [11470.775572][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11470.775572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11470.775572][ T7704] netlink_rcv_skb+0x130/0x360 [11470.775572][ T7704] netlink_unicast+0x449/0x710 [11470.775572][ T7704] netlink_sendmsg+0x723/0xbe0 [11470.775572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11470.775572][ T7704] ___sys_sendmsg+0xee/0x170 [11470.775572][ T7704] __sys_sendmsg+0xcd/0x170 [11470.775572][ T7704] do_syscall_64+0xc6/0x1e0 [11470.775572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11470.775572][ T7704] [11470.777823][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11470.777823][ T7704] netdev_get_by_index+0x5e/0x80 [11470.777823][ T7704] fib6_nh_init+0x3d8/0x15b0 [11470.777823][ T7704] ip6_route_info_create+0xf18/0x17d0 [11470.777823][ T7704] ip6_route_add+0x1c/0x140 [11470.777823][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11470.777823][ T7704] addrconf_add_dev+0xe2/0x170 [11470.777823][ T7704] inet6_addr_add+0x12f/0xa40 [11470.777823][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11470.777823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11470.777823][ T7704] netlink_rcv_skb+0x130/0x360 [11470.777823][ T7704] netlink_unicast+0x449/0x710 [11470.777823][ T7704] netlink_sendmsg+0x723/0xbe0 [11470.777823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11470.777823][ T7704] ___sys_sendmsg+0xee/0x170 [11470.777823][ T7704] __sys_sendmsg+0xcd/0x170 [11470.777823][ T7704] do_syscall_64+0xc6/0x1e0 [11470.777823][ T7704] [11470.780024][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11470.780024][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11470.780024][ T7704] ipv6_find_idev+0x102/0x170 [11470.780024][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11470.780024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11470.780024][ T7704] netlink_rcv_skb+0x130/0x360 [11470.780024][ T7704] netlink_unicast+0x449/0x710 [11470.780024][ T7704] netlink_sendmsg+0x723/0xbe0 [11470.780024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11470.780024][ T7704] ___sys_sendmsg+0xee/0x170 [11470.780024][ T7704] __sys_sendmsg+0xcd/0x170 [11470.780024][ T7704] do_syscall_64+0xc6/0x1e0 [11470.780024][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11470.780024][ T7704] [11470.781759][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11470.781759][ T7704] neigh_parms_alloc+0x1e5/0x510 [11470.781759][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11470.781759][ T7704] ipv6_find_idev+0x102/0x170 [11470.781759][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11470.781759][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11470.781759][ T7704] netlink_rcv_skb+0x130/0x360 [11470.781759][ T7704] netlink_unicast+0x449/0x710 [11470.781759][ T7704] netlink_sendmsg+0x723/0xbe0 [11470.781759][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11470.781759][ T7704] ___sys_sendmsg+0xee/0x170 [11470.781759][ T7704] __sys_sendmsg+0xcd/0x170 [11470.781759][ T7704] do_syscall_64+0xc6/0x1e0 [11470.781759][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11470.781759][ T7704] [11481.020773][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11481.021233][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11481.021233][ T7704] netdev_get_by_index+0x5e/0x80 [11481.021233][ T7704] fib6_nh_init+0x3d8/0x15b0 [11481.021233][ T7704] ip6_route_info_create+0xf18/0x17d0 [11481.021233][ T7704] ip6_route_add+0x1c/0x140 [11481.021233][ T7704] addrconf_prefix_route+0x2a6/0x430 [11481.021233][ T7704] inet6_addr_add+0x4f8/0xa40 [11481.021233][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11481.021233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11481.021233][ T7704] netlink_rcv_skb+0x130/0x360 [11481.021233][ T7704] netlink_unicast+0x449/0x710 [11481.021233][ T7704] netlink_sendmsg+0x723/0xbe0 [11481.021233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11481.021233][ T7704] ___sys_sendmsg+0xee/0x170 [11481.021233][ T7704] __sys_sendmsg+0xcd/0x170 [11481.021233][ T7704] do_syscall_64+0xc6/0x1e0 [11481.021233][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11481.021233][ T7704] [11481.023500][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11481.023500][ T7704] netdev_get_by_index+0x5e/0x80 [11481.023500][ T7704] fib6_nh_init+0x3d8/0x15b0 [11481.023500][ T7704] ip6_route_info_create+0xf18/0x17d0 [11481.023500][ T7704] addrconf_f6i_alloc+0x315/0x560 [11481.023500][ T7704] ipv6_add_addr+0x411/0x2000 [11481.023500][ T7704] inet6_addr_add+0x30e/0xa40 [11481.023500][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11481.023500][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11481.023500][ T7704] netlink_rcv_skb+0x130/0x360 [11481.023500][ T7704] netlink_unicast+0x449/0x710 [11481.023500][ T7704] netlink_sendmsg+0x723/0xbe0 [11481.023500][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11481.023500][ T7704] ___sys_sendmsg+0xee/0x170 [11481.023500][ T7704] __sys_sendmsg+0xcd/0x170 [11481.023500][ T7704] do_syscall_64+0xc6/0x1e0 [11481.023500][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11481.023500][ T7704] [11481.025747][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11481.025747][ T7704] netdev_get_by_index+0x5e/0x80 [11481.025747][ T7704] fib6_nh_init+0x3d8/0x15b0 [11481.025747][ T7704] ip6_route_info_create+0xf18/0x17d0 [11481.025747][ T7704] ip6_route_add+0x1c/0x140 [11481.025747][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11481.025747][ T7704] addrconf_add_dev+0xe2/0x170 [11481.025747][ T7704] inet6_addr_add+0x12f/0xa40 [11481.025747][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11481.025747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11481.025747][ T7704] netlink_rcv_skb+0x130/0x360 [11481.025747][ T7704] netlink_unicast+0x449/0x710 [11481.025747][ T7704] netlink_sendmsg+0x723/0xbe0 [11481.025747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11481.025747][ T7704] ___sys_sendmsg+0xee/0x170 [11481.025747][ T7704] __sys_sendmsg+0xcd/0x170 [11481.025747][ T7704] do_syscall_64+0xc6/0x1e0 [11481.025747][ T7704] [11481.027958][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11481.027958][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11481.027958][ T7704] ipv6_find_idev+0x102/0x170 [11481.027958][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11481.027958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11481.027958][ T7704] netlink_rcv_skb+0x130/0x360 [11481.027958][ T7704] netlink_unicast+0x449/0x710 [11481.027958][ T7704] netlink_sendmsg+0x723/0xbe0 [11481.027958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11481.027958][ T7704] ___sys_sendmsg+0xee/0x170 [11481.027958][ T7704] __sys_sendmsg+0xcd/0x170 [11481.027958][ T7704] do_syscall_64+0xc6/0x1e0 [11481.027958][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11481.027958][ T7704] [11481.029680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11481.029680][ T7704] neigh_parms_alloc+0x1e5/0x510 [11481.029680][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11481.029680][ T7704] ipv6_find_idev+0x102/0x170 [11481.029680][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11481.029680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11481.029680][ T7704] netlink_rcv_skb+0x130/0x360 [11481.029680][ T7704] netlink_unicast+0x449/0x710 [11481.029680][ T7704] netlink_sendmsg+0x723/0xbe0 [11481.029680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11481.029680][ T7704] ___sys_sendmsg+0xee/0x170 [11481.029680][ T7704] __sys_sendmsg+0xcd/0x170 [11481.029680][ T7704] do_syscall_64+0xc6/0x1e0 [11481.029680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11481.029680][ T7704] [11491.092791][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11491.093305][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11491.093305][ T7704] netdev_get_by_index+0x5e/0x80 [11491.093305][ T7704] fib6_nh_init+0x3d8/0x15b0 [11491.093305][ T7704] ip6_route_info_create+0xf18/0x17d0 [11491.093305][ T7704] ip6_route_add+0x1c/0x140 [11491.093305][ T7704] addrconf_prefix_route+0x2a6/0x430 [11491.093305][ T7704] inet6_addr_add+0x4f8/0xa40 [11491.093305][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11491.093305][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11491.093305][ T7704] netlink_rcv_skb+0x130/0x360 [11491.093305][ T7704] netlink_unicast+0x449/0x710 [11491.093305][ T7704] netlink_sendmsg+0x723/0xbe0 [11491.093305][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11491.093305][ T7704] ___sys_sendmsg+0xee/0x170 [11491.093305][ T7704] __sys_sendmsg+0xcd/0x170 [11491.093305][ T7704] do_syscall_64+0xc6/0x1e0 [11491.093305][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11491.093305][ T7704] [11491.095680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11491.095680][ T7704] netdev_get_by_index+0x5e/0x80 [11491.095680][ T7704] fib6_nh_init+0x3d8/0x15b0 [11491.095680][ T7704] ip6_route_info_create+0xf18/0x17d0 [11491.095680][ T7704] addrconf_f6i_alloc+0x315/0x560 [11491.095680][ T7704] ipv6_add_addr+0x411/0x2000 [11491.095680][ T7704] inet6_addr_add+0x30e/0xa40 [11491.095680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11491.095680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11491.095680][ T7704] netlink_rcv_skb+0x130/0x360 [11491.095680][ T7704] netlink_unicast+0x449/0x710 [11491.095680][ T7704] netlink_sendmsg+0x723/0xbe0 [11491.095680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11491.095680][ T7704] ___sys_sendmsg+0xee/0x170 [11491.095680][ T7704] __sys_sendmsg+0xcd/0x170 [11491.095680][ T7704] do_syscall_64+0xc6/0x1e0 [11491.095680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11491.095680][ T7704] [11491.097969][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11491.097969][ T7704] netdev_get_by_index+0x5e/0x80 [11491.097969][ T7704] fib6_nh_init+0x3d8/0x15b0 [11491.097969][ T7704] ip6_route_info_create+0xf18/0x17d0 [11491.097969][ T7704] ip6_route_add+0x1c/0x140 [11491.097969][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11491.097969][ T7704] addrconf_add_dev+0xe2/0x170 [11491.097969][ T7704] inet6_addr_add+0x12f/0xa40 [11491.097969][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11491.097969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11491.097969][ T7704] netlink_rcv_skb+0x130/0x360 [11491.097969][ T7704] netlink_unicast+0x449/0x710 [11491.097969][ T7704] netlink_sendmsg+0x723/0xbe0 [11491.097969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11491.097969][ T7704] ___sys_sendmsg+0xee/0x170 [11491.097969][ T7704] __sys_sendmsg+0xcd/0x170 [11491.097969][ T7704] do_syscall_64+0xc6/0x1e0 [11491.097969][ T7704] [11491.100194][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11491.100194][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11491.100194][ T7704] ipv6_find_idev+0x102/0x170 [11491.100194][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11491.100194][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11491.100194][ T7704] netlink_rcv_skb+0x130/0x360 [11491.100194][ T7704] netlink_unicast+0x449/0x710 [11491.100194][ T7704] netlink_sendmsg+0x723/0xbe0 [11491.100194][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11491.100194][ T7704] ___sys_sendmsg+0xee/0x170 [11491.100194][ T7704] __sys_sendmsg+0xcd/0x170 [11491.100194][ T7704] do_syscall_64+0xc6/0x1e0 [11491.100194][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11491.100194][ T7704] [11491.101937][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11491.101937][ T7704] neigh_parms_alloc+0x1e5/0x510 [11491.101937][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11491.101937][ T7704] ipv6_find_idev+0x102/0x170 [11491.101937][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11491.101937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11491.101937][ T7704] netlink_rcv_skb+0x130/0x360 [11491.101937][ T7704] netlink_unicast+0x449/0x710 [11491.101937][ T7704] netlink_sendmsg+0x723/0xbe0 [11491.101937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11491.101937][ T7704] ___sys_sendmsg+0xee/0x170 [11491.101937][ T7704] __sys_sendmsg+0xcd/0x170 [11491.101937][ T7704] do_syscall_64+0xc6/0x1e0 [11491.101937][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11491.101937][ T7704] [11501.180847][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11501.181354][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11501.181354][ T7704] netdev_get_by_index+0x5e/0x80 [11501.181354][ T7704] fib6_nh_init+0x3d8/0x15b0 [11501.181354][ T7704] ip6_route_info_create+0xf18/0x17d0 [11501.181354][ T7704] ip6_route_add+0x1c/0x140 [11501.181354][ T7704] addrconf_prefix_route+0x2a6/0x430 [11501.181354][ T7704] inet6_addr_add+0x4f8/0xa40 [11501.181354][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11501.181354][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11501.181354][ T7704] netlink_rcv_skb+0x130/0x360 [11501.181354][ T7704] netlink_unicast+0x449/0x710 [11501.181354][ T7704] netlink_sendmsg+0x723/0xbe0 [11501.181354][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11501.181354][ T7704] ___sys_sendmsg+0xee/0x170 [11501.181354][ T7704] __sys_sendmsg+0xcd/0x170 [11501.181354][ T7704] do_syscall_64+0xc6/0x1e0 [11501.181354][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11501.181354][ T7704] [11501.183628][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11501.183628][ T7704] netdev_get_by_index+0x5e/0x80 [11501.183628][ T7704] fib6_nh_init+0x3d8/0x15b0 [11501.183628][ T7704] ip6_route_info_create+0xf18/0x17d0 [11501.183628][ T7704] addrconf_f6i_alloc+0x315/0x560 [11501.183628][ T7704] ipv6_add_addr+0x411/0x2000 [11501.183628][ T7704] inet6_addr_add+0x30e/0xa40 [11501.183628][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11501.183628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11501.183628][ T7704] netlink_rcv_skb+0x130/0x360 [11501.183628][ T7704] netlink_unicast+0x449/0x710 [11501.183628][ T7704] netlink_sendmsg+0x723/0xbe0 [11501.183628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11501.183628][ T7704] ___sys_sendmsg+0xee/0x170 [11501.183628][ T7704] __sys_sendmsg+0xcd/0x170 [11501.183628][ T7704] do_syscall_64+0xc6/0x1e0 [11501.183628][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11501.183628][ T7704] [11501.185904][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11501.185904][ T7704] netdev_get_by_index+0x5e/0x80 [11501.185904][ T7704] fib6_nh_init+0x3d8/0x15b0 [11501.185904][ T7704] ip6_route_info_create+0xf18/0x17d0 [11501.185904][ T7704] ip6_route_add+0x1c/0x140 [11501.185904][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11501.185904][ T7704] addrconf_add_dev+0xe2/0x170 [11501.185904][ T7704] inet6_addr_add+0x12f/0xa40 [11501.185904][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11501.185904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11501.185904][ T7704] netlink_rcv_skb+0x130/0x360 [11501.185904][ T7704] netlink_unicast+0x449/0x710 [11501.185904][ T7704] netlink_sendmsg+0x723/0xbe0 [11501.185904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11501.185904][ T7704] ___sys_sendmsg+0xee/0x170 [11501.185904][ T7704] __sys_sendmsg+0xcd/0x170 [11501.185904][ T7704] do_syscall_64+0xc6/0x1e0 [11501.185904][ T7704] [11501.189418][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11501.189418][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11501.189418][ T7704] ipv6_find_idev+0x102/0x170 [11501.189418][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11501.189418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11501.189418][ T7704] netlink_rcv_skb+0x130/0x360 [11501.189418][ T7704] netlink_unicast+0x449/0x710 [11501.189418][ T7704] netlink_sendmsg+0x723/0xbe0 [11501.189418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11501.189418][ T7704] ___sys_sendmsg+0xee/0x170 [11501.189418][ T7704] __sys_sendmsg+0xcd/0x170 [11501.189418][ T7704] do_syscall_64+0xc6/0x1e0 [11501.189418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11501.189418][ T7704] [11501.192175][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11501.192175][ T7704] neigh_parms_alloc+0x1e5/0x510 [11501.192175][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11501.192175][ T7704] ipv6_find_idev+0x102/0x170 [11501.192175][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11501.192175][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11501.192175][ T7704] netlink_rcv_skb+0x130/0x360 [11501.192175][ T7704] netlink_unicast+0x449/0x710 [11501.192175][ T7704] netlink_sendmsg+0x723/0xbe0 [11501.192175][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11501.192175][ T7704] ___sys_sendmsg+0xee/0x170 [11501.192175][ T7704] __sys_sendmsg+0xcd/0x170 [11501.192175][ T7704] do_syscall_64+0xc6/0x1e0 [11501.192175][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11501.192175][ T7704] [11511.228778][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11511.229251][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11511.229251][ T7704] netdev_get_by_index+0x5e/0x80 [11511.229251][ T7704] fib6_nh_init+0x3d8/0x15b0 [11511.229251][ T7704] ip6_route_info_create+0xf18/0x17d0 [11511.229251][ T7704] ip6_route_add+0x1c/0x140 [11511.229251][ T7704] addrconf_prefix_route+0x2a6/0x430 [11511.229251][ T7704] inet6_addr_add+0x4f8/0xa40 [11511.229251][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11511.229251][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11511.229251][ T7704] netlink_rcv_skb+0x130/0x360 [11511.229251][ T7704] netlink_unicast+0x449/0x710 [11511.229251][ T7704] netlink_sendmsg+0x723/0xbe0 [11511.229251][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11511.229251][ T7704] ___sys_sendmsg+0xee/0x170 [11511.229251][ T7704] __sys_sendmsg+0xcd/0x170 [11511.229251][ T7704] do_syscall_64+0xc6/0x1e0 [11511.229251][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11511.229251][ T7704] [11511.231521][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11511.231521][ T7704] netdev_get_by_index+0x5e/0x80 [11511.231521][ T7704] fib6_nh_init+0x3d8/0x15b0 [11511.231521][ T7704] ip6_route_info_create+0xf18/0x17d0 [11511.231521][ T7704] addrconf_f6i_alloc+0x315/0x560 [11511.231521][ T7704] ipv6_add_addr+0x411/0x2000 [11511.231521][ T7704] inet6_addr_add+0x30e/0xa40 [11511.231521][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11511.231521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11511.231521][ T7704] netlink_rcv_skb+0x130/0x360 [11511.231521][ T7704] netlink_unicast+0x449/0x710 [11511.231521][ T7704] netlink_sendmsg+0x723/0xbe0 [11511.231521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11511.231521][ T7704] ___sys_sendmsg+0xee/0x170 [11511.231521][ T7704] __sys_sendmsg+0xcd/0x170 [11511.231521][ T7704] do_syscall_64+0xc6/0x1e0 [11511.231521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11511.231521][ T7704] [11511.234171][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11511.234171][ T7704] netdev_get_by_index+0x5e/0x80 [11511.234171][ T7704] fib6_nh_init+0x3d8/0x15b0 [11511.234171][ T7704] ip6_route_info_create+0xf18/0x17d0 [11511.234171][ T7704] ip6_route_add+0x1c/0x140 [11511.234171][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11511.234171][ T7704] addrconf_add_dev+0xe2/0x170 [11511.234171][ T7704] inet6_addr_add+0x12f/0xa40 [11511.234171][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11511.234171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11511.234171][ T7704] netlink_rcv_skb+0x130/0x360 [11511.234171][ T7704] netlink_unicast+0x449/0x710 [11511.234171][ T7704] netlink_sendmsg+0x723/0xbe0 [11511.234171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11511.234171][ T7704] ___sys_sendmsg+0xee/0x170 [11511.234171][ T7704] __sys_sendmsg+0xcd/0x170 [11511.234171][ T7704] do_syscall_64+0xc6/0x1e0 [11511.234171][ T7704] [11511.236820][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11511.236820][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11511.236820][ T7704] ipv6_find_idev+0x102/0x170 [11511.236820][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11511.236820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11511.236820][ T7704] netlink_rcv_skb+0x130/0x360 [11511.236820][ T7704] netlink_unicast+0x449/0x710 [11511.236820][ T7704] netlink_sendmsg+0x723/0xbe0 [11511.236820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11511.236820][ T7704] ___sys_sendmsg+0xee/0x170 [11511.236820][ T7704] __sys_sendmsg+0xcd/0x170 [11511.236820][ T7704] do_syscall_64+0xc6/0x1e0 [11511.236820][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11511.236820][ T7704] [11511.238575][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11511.238575][ T7704] neigh_parms_alloc+0x1e5/0x510 [11511.238575][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11511.238575][ T7704] ipv6_find_idev+0x102/0x170 [11511.238575][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11511.238575][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11511.238575][ T7704] netlink_rcv_skb+0x130/0x360 [11511.238575][ T7704] netlink_unicast+0x449/0x710 [11511.238575][ T7704] netlink_sendmsg+0x723/0xbe0 [11511.238575][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11511.238575][ T7704] ___sys_sendmsg+0xee/0x170 [11511.238575][ T7704] __sys_sendmsg+0xcd/0x170 [11511.238575][ T7704] do_syscall_64+0xc6/0x1e0 [11511.238575][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11511.238575][ T7704] [11521.396806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11521.397249][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11521.397249][ T7704] netdev_get_by_index+0x5e/0x80 [11521.397249][ T7704] fib6_nh_init+0x3d8/0x15b0 [11521.397249][ T7704] ip6_route_info_create+0xf18/0x17d0 [11521.397249][ T7704] ip6_route_add+0x1c/0x140 [11521.397249][ T7704] addrconf_prefix_route+0x2a6/0x430 [11521.397249][ T7704] inet6_addr_add+0x4f8/0xa40 [11521.397249][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11521.397249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11521.397249][ T7704] netlink_rcv_skb+0x130/0x360 [11521.397249][ T7704] netlink_unicast+0x449/0x710 [11521.397249][ T7704] netlink_sendmsg+0x723/0xbe0 [11521.397249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11521.397249][ T7704] ___sys_sendmsg+0xee/0x170 [11521.397249][ T7704] __sys_sendmsg+0xcd/0x170 [11521.397249][ T7704] do_syscall_64+0xc6/0x1e0 [11521.397249][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11521.397249][ T7704] [11521.399521][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11521.399521][ T7704] netdev_get_by_index+0x5e/0x80 [11521.399521][ T7704] fib6_nh_init+0x3d8/0x15b0 [11521.399521][ T7704] ip6_route_info_create+0xf18/0x17d0 [11521.399521][ T7704] addrconf_f6i_alloc+0x315/0x560 [11521.399521][ T7704] ipv6_add_addr+0x411/0x2000 [11521.399521][ T7704] inet6_addr_add+0x30e/0xa40 [11521.399521][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11521.399521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11521.399521][ T7704] netlink_rcv_skb+0x130/0x360 [11521.399521][ T7704] netlink_unicast+0x449/0x710 [11521.399521][ T7704] netlink_sendmsg+0x723/0xbe0 [11521.399521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11521.399521][ T7704] ___sys_sendmsg+0xee/0x170 [11521.399521][ T7704] __sys_sendmsg+0xcd/0x170 [11521.399521][ T7704] do_syscall_64+0xc6/0x1e0 [11521.399521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11521.399521][ T7704] [11521.401753][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11521.401753][ T7704] netdev_get_by_index+0x5e/0x80 [11521.401753][ T7704] fib6_nh_init+0x3d8/0x15b0 [11521.401753][ T7704] ip6_route_info_create+0xf18/0x17d0 [11521.401753][ T7704] ip6_route_add+0x1c/0x140 [11521.401753][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11521.401753][ T7704] addrconf_add_dev+0xe2/0x170 [11521.401753][ T7704] inet6_addr_add+0x12f/0xa40 [11521.401753][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11521.401753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11521.401753][ T7704] netlink_rcv_skb+0x130/0x360 [11521.401753][ T7704] netlink_unicast+0x449/0x710 [11521.401753][ T7704] netlink_sendmsg+0x723/0xbe0 [11521.401753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11521.401753][ T7704] ___sys_sendmsg+0xee/0x170 [11521.401753][ T7704] __sys_sendmsg+0xcd/0x170 [11521.401753][ T7704] do_syscall_64+0xc6/0x1e0 [11521.401753][ T7704] [11521.403946][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11521.403946][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11521.403946][ T7704] ipv6_find_idev+0x102/0x170 [11521.403946][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11521.403946][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11521.403946][ T7704] netlink_rcv_skb+0x130/0x360 [11521.403946][ T7704] netlink_unicast+0x449/0x710 [11521.403946][ T7704] netlink_sendmsg+0x723/0xbe0 [11521.403946][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11521.403946][ T7704] ___sys_sendmsg+0xee/0x170 [11521.403946][ T7704] __sys_sendmsg+0xcd/0x170 [11521.403946][ T7704] do_syscall_64+0xc6/0x1e0 [11521.403946][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11521.403946][ T7704] [11521.405685][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11521.405685][ T7704] neigh_parms_alloc+0x1e5/0x510 [11521.405685][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11521.405685][ T7704] ipv6_find_idev+0x102/0x170 [11521.405685][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11521.405685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11521.405685][ T7704] netlink_rcv_skb+0x130/0x360 [11521.405685][ T7704] netlink_unicast+0x449/0x710 [11521.405685][ T7704] netlink_sendmsg+0x723/0xbe0 [11521.405685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11521.405685][ T7704] ___sys_sendmsg+0xee/0x170 [11521.405685][ T7704] __sys_sendmsg+0xcd/0x170 [11521.405685][ T7704] do_syscall_64+0xc6/0x1e0 [11521.405685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11521.405685][ T7704] [11531.644827][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11531.645262][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11531.645262][ T7704] netdev_get_by_index+0x5e/0x80 [11531.645262][ T7704] fib6_nh_init+0x3d8/0x15b0 [11531.645262][ T7704] ip6_route_info_create+0xf18/0x17d0 [11531.645262][ T7704] ip6_route_add+0x1c/0x140 [11531.645262][ T7704] addrconf_prefix_route+0x2a6/0x430 [11531.645262][ T7704] inet6_addr_add+0x4f8/0xa40 [11531.645262][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11531.645262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11531.645262][ T7704] netlink_rcv_skb+0x130/0x360 [11531.645262][ T7704] netlink_unicast+0x449/0x710 [11531.645262][ T7704] netlink_sendmsg+0x723/0xbe0 [11531.645262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11531.645262][ T7704] ___sys_sendmsg+0xee/0x170 [11531.645262][ T7704] __sys_sendmsg+0xcd/0x170 [11531.645262][ T7704] do_syscall_64+0xc6/0x1e0 [11531.645262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11531.645262][ T7704] [11531.647504][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11531.647504][ T7704] netdev_get_by_index+0x5e/0x80 [11531.647504][ T7704] fib6_nh_init+0x3d8/0x15b0 [11531.647504][ T7704] ip6_route_info_create+0xf18/0x17d0 [11531.647504][ T7704] addrconf_f6i_alloc+0x315/0x560 [11531.647504][ T7704] ipv6_add_addr+0x411/0x2000 [11531.647504][ T7704] inet6_addr_add+0x30e/0xa40 [11531.647504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11531.647504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11531.647504][ T7704] netlink_rcv_skb+0x130/0x360 [11531.647504][ T7704] netlink_unicast+0x449/0x710 [11531.647504][ T7704] netlink_sendmsg+0x723/0xbe0 [11531.647504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11531.647504][ T7704] ___sys_sendmsg+0xee/0x170 [11531.647504][ T7704] __sys_sendmsg+0xcd/0x170 [11531.647504][ T7704] do_syscall_64+0xc6/0x1e0 [11531.647504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11531.647504][ T7704] [11531.649713][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11531.649713][ T7704] netdev_get_by_index+0x5e/0x80 [11531.649713][ T7704] fib6_nh_init+0x3d8/0x15b0 [11531.649713][ T7704] ip6_route_info_create+0xf18/0x17d0 [11531.649713][ T7704] ip6_route_add+0x1c/0x140 [11531.649713][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11531.649713][ T7704] addrconf_add_dev+0xe2/0x170 [11531.649713][ T7704] inet6_addr_add+0x12f/0xa40 [11531.649713][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11531.649713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11531.649713][ T7704] netlink_rcv_skb+0x130/0x360 [11531.649713][ T7704] netlink_unicast+0x449/0x710 [11531.649713][ T7704] netlink_sendmsg+0x723/0xbe0 [11531.649713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11531.649713][ T7704] ___sys_sendmsg+0xee/0x170 [11531.649713][ T7704] __sys_sendmsg+0xcd/0x170 [11531.649713][ T7704] do_syscall_64+0xc6/0x1e0 [11531.649713][ T7704] [11531.651895][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11531.651895][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11531.651895][ T7704] ipv6_find_idev+0x102/0x170 [11531.651895][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11531.651895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11531.651895][ T7704] netlink_rcv_skb+0x130/0x360 [11531.651895][ T7704] netlink_unicast+0x449/0x710 [11531.651895][ T7704] netlink_sendmsg+0x723/0xbe0 [11531.651895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11531.651895][ T7704] ___sys_sendmsg+0xee/0x170 [11531.651895][ T7704] __sys_sendmsg+0xcd/0x170 [11531.651895][ T7704] do_syscall_64+0xc6/0x1e0 [11531.651895][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11531.651895][ T7704] [11531.653595][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11531.653595][ T7704] neigh_parms_alloc+0x1e5/0x510 [11531.653595][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11531.653595][ T7704] ipv6_find_idev+0x102/0x170 [11531.653595][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11531.653595][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11531.653595][ T7704] netlink_rcv_skb+0x130/0x360 [11531.653595][ T7704] netlink_unicast+0x449/0x710 [11531.653595][ T7704] netlink_sendmsg+0x723/0xbe0 [11531.653595][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11531.653595][ T7704] ___sys_sendmsg+0xee/0x170 [11531.653595][ T7704] __sys_sendmsg+0xcd/0x170 [11531.653595][ T7704] do_syscall_64+0xc6/0x1e0 [11531.653595][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11531.653595][ T7704] [11541.892850][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11541.893293][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11541.893293][ T7704] netdev_get_by_index+0x5e/0x80 [11541.893293][ T7704] fib6_nh_init+0x3d8/0x15b0 [11541.893293][ T7704] ip6_route_info_create+0xf18/0x17d0 [11541.893293][ T7704] ip6_route_add+0x1c/0x140 [11541.893293][ T7704] addrconf_prefix_route+0x2a6/0x430 [11541.893293][ T7704] inet6_addr_add+0x4f8/0xa40 [11541.893293][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11541.893293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11541.893293][ T7704] netlink_rcv_skb+0x130/0x360 [11541.893293][ T7704] netlink_unicast+0x449/0x710 [11541.893293][ T7704] netlink_sendmsg+0x723/0xbe0 [11541.893293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11541.893293][ T7704] ___sys_sendmsg+0xee/0x170 [11541.893293][ T7704] __sys_sendmsg+0xcd/0x170 [11541.893293][ T7704] do_syscall_64+0xc6/0x1e0 [11541.893293][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11541.893293][ T7704] [11541.895551][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11541.895551][ T7704] netdev_get_by_index+0x5e/0x80 [11541.895551][ T7704] fib6_nh_init+0x3d8/0x15b0 [11541.895551][ T7704] ip6_route_info_create+0xf18/0x17d0 [11541.895551][ T7704] addrconf_f6i_alloc+0x315/0x560 [11541.895551][ T7704] ipv6_add_addr+0x411/0x2000 [11541.895551][ T7704] inet6_addr_add+0x30e/0xa40 [11541.895551][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11541.895551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11541.895551][ T7704] netlink_rcv_skb+0x130/0x360 [11541.895551][ T7704] netlink_unicast+0x449/0x710 [11541.895551][ T7704] netlink_sendmsg+0x723/0xbe0 [11541.895551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11541.895551][ T7704] ___sys_sendmsg+0xee/0x170 [11541.895551][ T7704] __sys_sendmsg+0xcd/0x170 [11541.895551][ T7704] do_syscall_64+0xc6/0x1e0 [11541.895551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11541.895551][ T7704] [11541.897788][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11541.897788][ T7704] netdev_get_by_index+0x5e/0x80 [11541.897788][ T7704] fib6_nh_init+0x3d8/0x15b0 [11541.897788][ T7704] ip6_route_info_create+0xf18/0x17d0 [11541.897788][ T7704] ip6_route_add+0x1c/0x140 [11541.897788][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11541.897788][ T7704] addrconf_add_dev+0xe2/0x170 [11541.897788][ T7704] inet6_addr_add+0x12f/0xa40 [11541.897788][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11541.897788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11541.897788][ T7704] netlink_rcv_skb+0x130/0x360 [11541.897788][ T7704] netlink_unicast+0x449/0x710 [11541.897788][ T7704] netlink_sendmsg+0x723/0xbe0 [11541.897788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11541.897788][ T7704] ___sys_sendmsg+0xee/0x170 [11541.897788][ T7704] __sys_sendmsg+0xcd/0x170 [11541.897788][ T7704] do_syscall_64+0xc6/0x1e0 [11541.897788][ T7704] [11541.900027][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11541.900027][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11541.900027][ T7704] ipv6_find_idev+0x102/0x170 [11541.900027][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11541.900027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11541.900027][ T7704] netlink_rcv_skb+0x130/0x360 [11541.900027][ T7704] netlink_unicast+0x449/0x710 [11541.900027][ T7704] netlink_sendmsg+0x723/0xbe0 [11541.900027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11541.900027][ T7704] ___sys_sendmsg+0xee/0x170 [11541.900027][ T7704] __sys_sendmsg+0xcd/0x170 [11541.900027][ T7704] do_syscall_64+0xc6/0x1e0 [11541.900027][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11541.900027][ T7704] [11541.901763][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11541.901763][ T7704] neigh_parms_alloc+0x1e5/0x510 [11541.901763][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11541.901763][ T7704] ipv6_find_idev+0x102/0x170 [11541.901763][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11541.901763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11541.901763][ T7704] netlink_rcv_skb+0x130/0x360 [11541.901763][ T7704] netlink_unicast+0x449/0x710 [11541.901763][ T7704] netlink_sendmsg+0x723/0xbe0 [11541.901763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11541.901763][ T7704] ___sys_sendmsg+0xee/0x170 [11541.901763][ T7704] __sys_sendmsg+0xcd/0x170 [11541.901763][ T7704] do_syscall_64+0xc6/0x1e0 [11541.901763][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11541.901763][ T7704] [11552.140784][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11552.141268][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11552.141268][ T7704] netdev_get_by_index+0x5e/0x80 [11552.141268][ T7704] fib6_nh_init+0x3d8/0x15b0 [11552.141268][ T7704] ip6_route_info_create+0xf18/0x17d0 [11552.141268][ T7704] ip6_route_add+0x1c/0x140 [11552.141268][ T7704] addrconf_prefix_route+0x2a6/0x430 [11552.141268][ T7704] inet6_addr_add+0x4f8/0xa40 [11552.141268][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11552.141268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11552.141268][ T7704] netlink_rcv_skb+0x130/0x360 [11552.141268][ T7704] netlink_unicast+0x449/0x710 [11552.141268][ T7704] netlink_sendmsg+0x723/0xbe0 [11552.141268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11552.141268][ T7704] ___sys_sendmsg+0xee/0x170 [11552.141268][ T7704] __sys_sendmsg+0xcd/0x170 [11552.141268][ T7704] do_syscall_64+0xc6/0x1e0 [11552.141268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11552.141268][ T7704] [11552.143747][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11552.143747][ T7704] netdev_get_by_index+0x5e/0x80 [11552.143747][ T7704] fib6_nh_init+0x3d8/0x15b0 [11552.143747][ T7704] ip6_route_info_create+0xf18/0x17d0 [11552.143747][ T7704] addrconf_f6i_alloc+0x315/0x560 [11552.143747][ T7704] ipv6_add_addr+0x411/0x2000 [11552.143747][ T7704] inet6_addr_add+0x30e/0xa40 [11552.143747][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11552.143747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11552.143747][ T7704] netlink_rcv_skb+0x130/0x360 [11552.143747][ T7704] netlink_unicast+0x449/0x710 [11552.143747][ T7704] netlink_sendmsg+0x723/0xbe0 [11552.143747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11552.143747][ T7704] ___sys_sendmsg+0xee/0x170 [11552.143747][ T7704] __sys_sendmsg+0xcd/0x170 [11552.143747][ T7704] do_syscall_64+0xc6/0x1e0 [11552.143747][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11552.143747][ T7704] [11552.146258][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11552.146258][ T7704] netdev_get_by_index+0x5e/0x80 [11552.146258][ T7704] fib6_nh_init+0x3d8/0x15b0 [11552.146258][ T7704] ip6_route_info_create+0xf18/0x17d0 [11552.146258][ T7704] ip6_route_add+0x1c/0x140 [11552.146258][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11552.146258][ T7704] addrconf_add_dev+0xe2/0x170 [11552.146258][ T7704] inet6_addr_add+0x12f/0xa40 [11552.146258][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11552.146258][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11552.146258][ T7704] netlink_rcv_skb+0x130/0x360 [11552.146258][ T7704] netlink_unicast+0x449/0x710 [11552.146258][ T7704] netlink_sendmsg+0x723/0xbe0 [11552.146258][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11552.146258][ T7704] ___sys_sendmsg+0xee/0x170 [11552.146258][ T7704] __sys_sendmsg+0xcd/0x170 [11552.146258][ T7704] do_syscall_64+0xc6/0x1e0 [11552.146258][ T7704] [11552.148740][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11552.148740][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11552.148740][ T7704] ipv6_find_idev+0x102/0x170 [11552.148740][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11552.148740][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11552.148740][ T7704] netlink_rcv_skb+0x130/0x360 [11552.148740][ T7704] netlink_unicast+0x449/0x710 [11552.148740][ T7704] netlink_sendmsg+0x723/0xbe0 [11552.148740][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11552.148740][ T7704] ___sys_sendmsg+0xee/0x170 [11552.148740][ T7704] __sys_sendmsg+0xcd/0x170 [11552.148740][ T7704] do_syscall_64+0xc6/0x1e0 [11552.148740][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11552.148740][ T7704] [11552.150619][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11552.150619][ T7704] neigh_parms_alloc+0x1e5/0x510 [11552.150619][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11552.150619][ T7704] ipv6_find_idev+0x102/0x170 [11552.150619][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11552.150619][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11552.150619][ T7704] netlink_rcv_skb+0x130/0x360 [11552.150619][ T7704] netlink_unicast+0x449/0x710 [11552.150619][ T7704] netlink_sendmsg+0x723/0xbe0 [11552.150619][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11552.150619][ T7704] ___sys_sendmsg+0xee/0x170 [11552.150619][ T7704] __sys_sendmsg+0xcd/0x170 [11552.150619][ T7704] do_syscall_64+0xc6/0x1e0 [11552.150619][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11552.150619][ T7704] [11562.388789][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11562.389362][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11562.389362][ T7704] netdev_get_by_index+0x5e/0x80 [11562.389362][ T7704] fib6_nh_init+0x3d8/0x15b0 [11562.389362][ T7704] ip6_route_info_create+0xf18/0x17d0 [11562.389362][ T7704] ip6_route_add+0x1c/0x140 [11562.389362][ T7704] addrconf_prefix_route+0x2a6/0x430 [11562.389362][ T7704] inet6_addr_add+0x4f8/0xa40 [11562.389362][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11562.389362][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11562.389362][ T7704] netlink_rcv_skb+0x130/0x360 [11562.389362][ T7704] netlink_unicast+0x449/0x710 [11562.389362][ T7704] netlink_sendmsg+0x723/0xbe0 [11562.389362][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11562.389362][ T7704] ___sys_sendmsg+0xee/0x170 [11562.389362][ T7704] __sys_sendmsg+0xcd/0x170 [11562.389362][ T7704] do_syscall_64+0xc6/0x1e0 [11562.389362][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11562.389362][ T7704] [11562.392792][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11562.392792][ T7704] netdev_get_by_index+0x5e/0x80 [11562.392792][ T7704] fib6_nh_init+0x3d8/0x15b0 [11562.392792][ T7704] ip6_route_info_create+0xf18/0x17d0 [11562.392792][ T7704] addrconf_f6i_alloc+0x315/0x560 [11562.392792][ T7704] ipv6_add_addr+0x411/0x2000 [11562.392792][ T7704] inet6_addr_add+0x30e/0xa40 [11562.392792][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11562.392792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11562.392792][ T7704] netlink_rcv_skb+0x130/0x360 [11562.392792][ T7704] netlink_unicast+0x449/0x710 [11562.392792][ T7704] netlink_sendmsg+0x723/0xbe0 [11562.392792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11562.392792][ T7704] ___sys_sendmsg+0xee/0x170 [11562.392792][ T7704] __sys_sendmsg+0xcd/0x170 [11562.392792][ T7704] do_syscall_64+0xc6/0x1e0 [11562.392792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11562.392792][ T7704] [11562.396241][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11562.396241][ T7704] netdev_get_by_index+0x5e/0x80 [11562.396241][ T7704] fib6_nh_init+0x3d8/0x15b0 [11562.396241][ T7704] ip6_route_info_create+0xf18/0x17d0 [11562.396241][ T7704] ip6_route_add+0x1c/0x140 [11562.396241][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11562.396241][ T7704] addrconf_add_dev+0xe2/0x170 [11562.396241][ T7704] inet6_addr_add+0x12f/0xa40 [11562.396241][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11562.396241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11562.396241][ T7704] netlink_rcv_skb+0x130/0x360 [11562.396241][ T7704] netlink_unicast+0x449/0x710 [11562.396241][ T7704] netlink_sendmsg+0x723/0xbe0 [11562.396241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11562.396241][ T7704] ___sys_sendmsg+0xee/0x170 [11562.396241][ T7704] __sys_sendmsg+0xcd/0x170 [11562.396241][ T7704] do_syscall_64+0xc6/0x1e0 [11562.396241][ T7704] [11562.399698][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11562.399698][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11562.399698][ T7704] ipv6_find_idev+0x102/0x170 [11562.399698][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11562.399698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11562.399698][ T7704] netlink_rcv_skb+0x130/0x360 [11562.399698][ T7704] netlink_unicast+0x449/0x710 [11562.399698][ T7704] netlink_sendmsg+0x723/0xbe0 [11562.399698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11562.399698][ T7704] ___sys_sendmsg+0xee/0x170 [11562.399698][ T7704] __sys_sendmsg+0xcd/0x170 [11562.399698][ T7704] do_syscall_64+0xc6/0x1e0 [11562.399698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11562.399698][ T7704] [11562.402415][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11562.402415][ T7704] neigh_parms_alloc+0x1e5/0x510 [11562.402415][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11562.402415][ T7704] ipv6_find_idev+0x102/0x170 [11562.402415][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11562.402415][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11562.402415][ T7704] netlink_rcv_skb+0x130/0x360 [11562.402415][ T7704] netlink_unicast+0x449/0x710 [11562.402415][ T7704] netlink_sendmsg+0x723/0xbe0 [11562.402415][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11562.402415][ T7704] ___sys_sendmsg+0xee/0x170 [11562.402415][ T7704] __sys_sendmsg+0xcd/0x170 [11562.402415][ T7704] do_syscall_64+0xc6/0x1e0 [11562.402415][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11562.402415][ T7704] [11572.500790][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11572.501401][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11572.501401][ T7704] netdev_get_by_index+0x5e/0x80 [11572.501401][ T7704] fib6_nh_init+0x3d8/0x15b0 [11572.501401][ T7704] ip6_route_info_create+0xf18/0x17d0 [11572.501401][ T7704] ip6_route_add+0x1c/0x140 [11572.501401][ T7704] addrconf_prefix_route+0x2a6/0x430 [11572.501401][ T7704] inet6_addr_add+0x4f8/0xa40 [11572.501401][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11572.501401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11572.501401][ T7704] netlink_rcv_skb+0x130/0x360 [11572.501401][ T7704] netlink_unicast+0x449/0x710 [11572.501401][ T7704] netlink_sendmsg+0x723/0xbe0 [11572.501401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11572.501401][ T7704] ___sys_sendmsg+0xee/0x170 [11572.501401][ T7704] __sys_sendmsg+0xcd/0x170 [11572.501401][ T7704] do_syscall_64+0xc6/0x1e0 [11572.501401][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11572.501401][ T7704] [11572.504801][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11572.504801][ T7704] netdev_get_by_index+0x5e/0x80 [11572.504801][ T7704] fib6_nh_init+0x3d8/0x15b0 [11572.504801][ T7704] ip6_route_info_create+0xf18/0x17d0 [11572.504801][ T7704] addrconf_f6i_alloc+0x315/0x560 [11572.504801][ T7704] ipv6_add_addr+0x411/0x2000 [11572.504801][ T7704] inet6_addr_add+0x30e/0xa40 [11572.504801][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11572.504801][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11572.504801][ T7704] netlink_rcv_skb+0x130/0x360 [11572.504801][ T7704] netlink_unicast+0x449/0x710 [11572.504801][ T7704] netlink_sendmsg+0x723/0xbe0 [11572.504801][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11572.504801][ T7704] ___sys_sendmsg+0xee/0x170 [11572.504801][ T7704] __sys_sendmsg+0xcd/0x170 [11572.504801][ T7704] do_syscall_64+0xc6/0x1e0 [11572.504801][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11572.504801][ T7704] [11572.508220][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11572.508220][ T7704] netdev_get_by_index+0x5e/0x80 [11572.508220][ T7704] fib6_nh_init+0x3d8/0x15b0 [11572.508220][ T7704] ip6_route_info_create+0xf18/0x17d0 [11572.508220][ T7704] ip6_route_add+0x1c/0x140 [11572.508220][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11572.508220][ T7704] addrconf_add_dev+0xe2/0x170 [11572.508220][ T7704] inet6_addr_add+0x12f/0xa40 [11572.508220][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11572.508220][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11572.508220][ T7704] netlink_rcv_skb+0x130/0x360 [11572.508220][ T7704] netlink_unicast+0x449/0x710 [11572.508220][ T7704] netlink_sendmsg+0x723/0xbe0 [11572.508220][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11572.508220][ T7704] ___sys_sendmsg+0xee/0x170 [11572.508220][ T7704] __sys_sendmsg+0xcd/0x170 [11572.508220][ T7704] do_syscall_64+0xc6/0x1e0 [11572.508220][ T7704] [11572.511638][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11572.511638][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11572.511638][ T7704] ipv6_find_idev+0x102/0x170 [11572.511638][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11572.511638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11572.511638][ T7704] netlink_rcv_skb+0x130/0x360 [11572.511638][ T7704] netlink_unicast+0x449/0x710 [11572.511638][ T7704] netlink_sendmsg+0x723/0xbe0 [11572.511638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11572.511638][ T7704] ___sys_sendmsg+0xee/0x170 [11572.511638][ T7704] __sys_sendmsg+0xcd/0x170 [11572.511638][ T7704] do_syscall_64+0xc6/0x1e0 [11572.511638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11572.511638][ T7704] [11572.514339][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11572.514339][ T7704] neigh_parms_alloc+0x1e5/0x510 [11572.514339][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11572.514339][ T7704] ipv6_find_idev+0x102/0x170 [11572.514339][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11572.514339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11572.514339][ T7704] netlink_rcv_skb+0x130/0x360 [11572.514339][ T7704] netlink_unicast+0x449/0x710 [11572.514339][ T7704] netlink_sendmsg+0x723/0xbe0 [11572.514339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11572.514339][ T7704] ___sys_sendmsg+0xee/0x170 [11572.514339][ T7704] __sys_sendmsg+0xcd/0x170 [11572.514339][ T7704] do_syscall_64+0xc6/0x1e0 [11572.514339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11572.514339][ T7704] [11582.524791][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11582.525212][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11582.525212][ T7704] netdev_get_by_index+0x5e/0x80 [11582.525212][ T7704] fib6_nh_init+0x3d8/0x15b0 [11582.525212][ T7704] ip6_route_info_create+0xf18/0x17d0 [11582.525212][ T7704] ip6_route_add+0x1c/0x140 [11582.525212][ T7704] addrconf_prefix_route+0x2a6/0x430 [11582.525212][ T7704] inet6_addr_add+0x4f8/0xa40 [11582.525212][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11582.525212][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11582.525212][ T7704] netlink_rcv_skb+0x130/0x360 [11582.525212][ T7704] netlink_unicast+0x449/0x710 [11582.525212][ T7704] netlink_sendmsg+0x723/0xbe0 [11582.525212][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11582.525212][ T7704] ___sys_sendmsg+0xee/0x170 [11582.525212][ T7704] __sys_sendmsg+0xcd/0x170 [11582.525212][ T7704] do_syscall_64+0xc6/0x1e0 [11582.525212][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11582.525212][ T7704] [11582.527472][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11582.527472][ T7704] netdev_get_by_index+0x5e/0x80 [11582.527472][ T7704] fib6_nh_init+0x3d8/0x15b0 [11582.527472][ T7704] ip6_route_info_create+0xf18/0x17d0 [11582.527472][ T7704] addrconf_f6i_alloc+0x315/0x560 [11582.527472][ T7704] ipv6_add_addr+0x411/0x2000 [11582.527472][ T7704] inet6_addr_add+0x30e/0xa40 [11582.527472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11582.527472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11582.527472][ T7704] netlink_rcv_skb+0x130/0x360 [11582.527472][ T7704] netlink_unicast+0x449/0x710 [11582.527472][ T7704] netlink_sendmsg+0x723/0xbe0 [11582.527472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11582.527472][ T7704] ___sys_sendmsg+0xee/0x170 [11582.527472][ T7704] __sys_sendmsg+0xcd/0x170 [11582.527472][ T7704] do_syscall_64+0xc6/0x1e0 [11582.527472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11582.527472][ T7704] [11582.529683][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11582.529683][ T7704] netdev_get_by_index+0x5e/0x80 [11582.529683][ T7704] fib6_nh_init+0x3d8/0x15b0 [11582.529683][ T7704] ip6_route_info_create+0xf18/0x17d0 [11582.529683][ T7704] ip6_route_add+0x1c/0x140 [11582.529683][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11582.529683][ T7704] addrconf_add_dev+0xe2/0x170 [11582.529683][ T7704] inet6_addr_add+0x12f/0xa40 [11582.529683][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11582.529683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11582.529683][ T7704] netlink_rcv_skb+0x130/0x360 [11582.529683][ T7704] netlink_unicast+0x449/0x710 [11582.529683][ T7704] netlink_sendmsg+0x723/0xbe0 [11582.529683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11582.529683][ T7704] ___sys_sendmsg+0xee/0x170 [11582.529683][ T7704] __sys_sendmsg+0xcd/0x170 [11582.529683][ T7704] do_syscall_64+0xc6/0x1e0 [11582.529683][ T7704] [11582.531865][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11582.531865][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11582.531865][ T7704] ipv6_find_idev+0x102/0x170 [11582.531865][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11582.531865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11582.531865][ T7704] netlink_rcv_skb+0x130/0x360 [11582.531865][ T7704] netlink_unicast+0x449/0x710 [11582.531865][ T7704] netlink_sendmsg+0x723/0xbe0 [11582.531865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11582.531865][ T7704] ___sys_sendmsg+0xee/0x170 [11582.531865][ T7704] __sys_sendmsg+0xcd/0x170 [11582.531865][ T7704] do_syscall_64+0xc6/0x1e0 [11582.531865][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11582.531865][ T7704] [11582.533572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11582.533572][ T7704] neigh_parms_alloc+0x1e5/0x510 [11582.533572][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11582.533572][ T7704] ipv6_find_idev+0x102/0x170 [11582.533572][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11582.533572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11582.533572][ T7704] netlink_rcv_skb+0x130/0x360 [11582.533572][ T7704] netlink_unicast+0x449/0x710 [11582.533572][ T7704] netlink_sendmsg+0x723/0xbe0 [11582.533572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11582.533572][ T7704] ___sys_sendmsg+0xee/0x170 [11582.533572][ T7704] __sys_sendmsg+0xcd/0x170 [11582.533572][ T7704] do_syscall_64+0xc6/0x1e0 [11582.533572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11582.533572][ T7704] [11592.676798][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11592.677359][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11592.677359][ T7704] netdev_get_by_index+0x5e/0x80 [11592.677359][ T7704] fib6_nh_init+0x3d8/0x15b0 [11592.677359][ T7704] ip6_route_info_create+0xf18/0x17d0 [11592.677359][ T7704] ip6_route_add+0x1c/0x140 [11592.677359][ T7704] addrconf_prefix_route+0x2a6/0x430 [11592.677359][ T7704] inet6_addr_add+0x4f8/0xa40 [11592.677359][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11592.677359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11592.677359][ T7704] netlink_rcv_skb+0x130/0x360 [11592.677359][ T7704] netlink_unicast+0x449/0x710 [11592.677359][ T7704] netlink_sendmsg+0x723/0xbe0 [11592.677359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11592.677359][ T7704] ___sys_sendmsg+0xee/0x170 [11592.677359][ T7704] __sys_sendmsg+0xcd/0x170 [11592.677359][ T7704] do_syscall_64+0xc6/0x1e0 [11592.677359][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11592.677359][ T7704] [11592.681047][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11592.681047][ T7704] netdev_get_by_index+0x5e/0x80 [11592.681047][ T7704] fib6_nh_init+0x3d8/0x15b0 [11592.681047][ T7704] ip6_route_info_create+0xf18/0x17d0 [11592.681047][ T7704] addrconf_f6i_alloc+0x315/0x560 [11592.681047][ T7704] ipv6_add_addr+0x411/0x2000 [11592.681047][ T7704] inet6_addr_add+0x30e/0xa40 [11592.681047][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11592.681047][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11592.681047][ T7704] netlink_rcv_skb+0x130/0x360 [11592.681047][ T7704] netlink_unicast+0x449/0x710 [11592.681047][ T7704] netlink_sendmsg+0x723/0xbe0 [11592.681047][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11592.681047][ T7704] ___sys_sendmsg+0xee/0x170 [11592.681047][ T7704] __sys_sendmsg+0xcd/0x170 [11592.681047][ T7704] do_syscall_64+0xc6/0x1e0 [11592.681047][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11592.681047][ T7704] [11592.684735][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11592.684735][ T7704] netdev_get_by_index+0x5e/0x80 [11592.684735][ T7704] fib6_nh_init+0x3d8/0x15b0 [11592.684735][ T7704] ip6_route_info_create+0xf18/0x17d0 [11592.684735][ T7704] ip6_route_add+0x1c/0x140 [11592.684735][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11592.684735][ T7704] addrconf_add_dev+0xe2/0x170 [11592.684735][ T7704] inet6_addr_add+0x12f/0xa40 [11592.684735][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11592.684735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11592.684735][ T7704] netlink_rcv_skb+0x130/0x360 [11592.684735][ T7704] netlink_unicast+0x449/0x710 [11592.684735][ T7704] netlink_sendmsg+0x723/0xbe0 [11592.684735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11592.684735][ T7704] ___sys_sendmsg+0xee/0x170 [11592.684735][ T7704] __sys_sendmsg+0xcd/0x170 [11592.684735][ T7704] do_syscall_64+0xc6/0x1e0 [11592.684735][ T7704] [11592.688335][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11592.688335][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11592.688335][ T7704] ipv6_find_idev+0x102/0x170 [11592.688335][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11592.688335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11592.688335][ T7704] netlink_rcv_skb+0x130/0x360 [11592.688335][ T7704] netlink_unicast+0x449/0x710 [11592.688335][ T7704] netlink_sendmsg+0x723/0xbe0 [11592.688335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11592.688335][ T7704] ___sys_sendmsg+0xee/0x170 [11592.688335][ T7704] __sys_sendmsg+0xcd/0x170 [11592.688335][ T7704] do_syscall_64+0xc6/0x1e0 [11592.688335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11592.688335][ T7704] [11592.691156][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11592.691156][ T7704] neigh_parms_alloc+0x1e5/0x510 [11592.691156][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11592.691156][ T7704] ipv6_find_idev+0x102/0x170 [11592.691156][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11592.691156][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11592.691156][ T7704] netlink_rcv_skb+0x130/0x360 [11592.691156][ T7704] netlink_unicast+0x449/0x710 [11592.691156][ T7704] netlink_sendmsg+0x723/0xbe0 [11592.691156][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11592.691156][ T7704] ___sys_sendmsg+0xee/0x170 [11592.691156][ T7704] __sys_sendmsg+0xcd/0x170 [11592.691156][ T7704] do_syscall_64+0xc6/0x1e0 [11592.691156][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11592.691156][ T7704] [11602.932794][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11602.933359][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11602.933359][ T7704] netdev_get_by_index+0x5e/0x80 [11602.933359][ T7704] fib6_nh_init+0x3d8/0x15b0 [11602.933359][ T7704] ip6_route_info_create+0xf18/0x17d0 [11602.933359][ T7704] ip6_route_add+0x1c/0x140 [11602.933359][ T7704] addrconf_prefix_route+0x2a6/0x430 [11602.933359][ T7704] inet6_addr_add+0x4f8/0xa40 [11602.933359][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11602.933359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11602.933359][ T7704] netlink_rcv_skb+0x130/0x360 [11602.933359][ T7704] netlink_unicast+0x449/0x710 [11602.933359][ T7704] netlink_sendmsg+0x723/0xbe0 [11602.933359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11602.933359][ T7704] ___sys_sendmsg+0xee/0x170 [11602.933359][ T7704] __sys_sendmsg+0xcd/0x170 [11602.933359][ T7704] do_syscall_64+0xc6/0x1e0 [11602.933359][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11602.933359][ T7704] [11602.937062][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11602.937062][ T7704] netdev_get_by_index+0x5e/0x80 [11602.937062][ T7704] fib6_nh_init+0x3d8/0x15b0 [11602.937062][ T7704] ip6_route_info_create+0xf18/0x17d0 [11602.937062][ T7704] addrconf_f6i_alloc+0x315/0x560 [11602.937062][ T7704] ipv6_add_addr+0x411/0x2000 [11602.937062][ T7704] inet6_addr_add+0x30e/0xa40 [11602.937062][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11602.937062][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11602.937062][ T7704] netlink_rcv_skb+0x130/0x360 [11602.937062][ T7704] netlink_unicast+0x449/0x710 [11602.937062][ T7704] netlink_sendmsg+0x723/0xbe0 [11602.937062][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11602.937062][ T7704] ___sys_sendmsg+0xee/0x170 [11602.937062][ T7704] __sys_sendmsg+0xcd/0x170 [11602.937062][ T7704] do_syscall_64+0xc6/0x1e0 [11602.937062][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11602.937062][ T7704] [11602.940762][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11602.940762][ T7704] netdev_get_by_index+0x5e/0x80 [11602.940762][ T7704] fib6_nh_init+0x3d8/0x15b0 [11602.940762][ T7704] ip6_route_info_create+0xf18/0x17d0 [11602.940762][ T7704] ip6_route_add+0x1c/0x140 [11602.940762][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11602.940762][ T7704] addrconf_add_dev+0xe2/0x170 [11602.940762][ T7704] inet6_addr_add+0x12f/0xa40 [11602.940762][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11602.940762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11602.940762][ T7704] netlink_rcv_skb+0x130/0x360 [11602.940762][ T7704] netlink_unicast+0x449/0x710 [11602.940762][ T7704] netlink_sendmsg+0x723/0xbe0 [11602.940762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11602.940762][ T7704] ___sys_sendmsg+0xee/0x170 [11602.940762][ T7704] __sys_sendmsg+0xcd/0x170 [11602.940762][ T7704] do_syscall_64+0xc6/0x1e0 [11602.940762][ T7704] [11602.944352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11602.944352][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11602.944352][ T7704] ipv6_find_idev+0x102/0x170 [11602.944352][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11602.944352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11602.944352][ T7704] netlink_rcv_skb+0x130/0x360 [11602.944352][ T7704] netlink_unicast+0x449/0x710 [11602.944352][ T7704] netlink_sendmsg+0x723/0xbe0 [11602.944352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11602.944352][ T7704] ___sys_sendmsg+0xee/0x170 [11602.944352][ T7704] __sys_sendmsg+0xcd/0x170 [11602.944352][ T7704] do_syscall_64+0xc6/0x1e0 [11602.944352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11602.944352][ T7704] [11602.947189][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11602.947189][ T7704] neigh_parms_alloc+0x1e5/0x510 [11602.947189][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11602.947189][ T7704] ipv6_find_idev+0x102/0x170 [11602.947189][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11602.947189][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11602.947189][ T7704] netlink_rcv_skb+0x130/0x360 [11602.947189][ T7704] netlink_unicast+0x449/0x710 [11602.947189][ T7704] netlink_sendmsg+0x723/0xbe0 [11602.947189][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11602.947189][ T7704] ___sys_sendmsg+0xee/0x170 [11602.947189][ T7704] __sys_sendmsg+0xcd/0x170 [11602.947189][ T7704] do_syscall_64+0xc6/0x1e0 [11602.947189][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11602.947189][ T7704] [11613.052867][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11613.053384][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11613.053384][ T7704] netdev_get_by_index+0x5e/0x80 [11613.053384][ T7704] fib6_nh_init+0x3d8/0x15b0 [11613.053384][ T7704] ip6_route_info_create+0xf18/0x17d0 [11613.053384][ T7704] ip6_route_add+0x1c/0x140 [11613.053384][ T7704] addrconf_prefix_route+0x2a6/0x430 [11613.053384][ T7704] inet6_addr_add+0x4f8/0xa40 [11613.053384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11613.053384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11613.053384][ T7704] netlink_rcv_skb+0x130/0x360 [11613.053384][ T7704] netlink_unicast+0x449/0x710 [11613.053384][ T7704] netlink_sendmsg+0x723/0xbe0 [11613.053384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11613.053384][ T7704] ___sys_sendmsg+0xee/0x170 [11613.053384][ T7704] __sys_sendmsg+0xcd/0x170 [11613.053384][ T7704] do_syscall_64+0xc6/0x1e0 [11613.053384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11613.053384][ T7704] [11613.056139][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11613.056139][ T7704] netdev_get_by_index+0x5e/0x80 [11613.056139][ T7704] fib6_nh_init+0x3d8/0x15b0 [11613.056139][ T7704] ip6_route_info_create+0xf18/0x17d0 [11613.056139][ T7704] addrconf_f6i_alloc+0x315/0x560 [11613.056139][ T7704] ipv6_add_addr+0x411/0x2000 [11613.056139][ T7704] inet6_addr_add+0x30e/0xa40 [11613.056139][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11613.056139][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11613.056139][ T7704] netlink_rcv_skb+0x130/0x360 [11613.056139][ T7704] netlink_unicast+0x449/0x710 [11613.056139][ T7704] netlink_sendmsg+0x723/0xbe0 [11613.056139][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11613.056139][ T7704] ___sys_sendmsg+0xee/0x170 [11613.056139][ T7704] __sys_sendmsg+0xcd/0x170 [11613.056139][ T7704] do_syscall_64+0xc6/0x1e0 [11613.056139][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11613.056139][ T7704] [11613.058379][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11613.058379][ T7704] netdev_get_by_index+0x5e/0x80 [11613.058379][ T7704] fib6_nh_init+0x3d8/0x15b0 [11613.058379][ T7704] ip6_route_info_create+0xf18/0x17d0 [11613.058379][ T7704] ip6_route_add+0x1c/0x140 [11613.058379][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11613.058379][ T7704] addrconf_add_dev+0xe2/0x170 [11613.058379][ T7704] inet6_addr_add+0x12f/0xa40 [11613.058379][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11613.058379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11613.058379][ T7704] netlink_rcv_skb+0x130/0x360 [11613.058379][ T7704] netlink_unicast+0x449/0x710 [11613.058379][ T7704] netlink_sendmsg+0x723/0xbe0 [11613.058379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11613.058379][ T7704] ___sys_sendmsg+0xee/0x170 [11613.058379][ T7704] __sys_sendmsg+0xcd/0x170 [11613.058379][ T7704] do_syscall_64+0xc6/0x1e0 [11613.058379][ T7704] [11613.060544][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11613.060544][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11613.060544][ T7704] ipv6_find_idev+0x102/0x170 [11613.060544][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11613.060544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11613.060544][ T7704] netlink_rcv_skb+0x130/0x360 [11613.060544][ T7704] netlink_unicast+0x449/0x710 [11613.060544][ T7704] netlink_sendmsg+0x723/0xbe0 [11613.060544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11613.060544][ T7704] ___sys_sendmsg+0xee/0x170 [11613.060544][ T7704] __sys_sendmsg+0xcd/0x170 [11613.060544][ T7704] do_syscall_64+0xc6/0x1e0 [11613.060544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11613.060544][ T7704] [11613.062255][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11613.062255][ T7704] neigh_parms_alloc+0x1e5/0x510 [11613.062255][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11613.062255][ T7704] ipv6_find_idev+0x102/0x170 [11613.062255][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11613.062255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11613.062255][ T7704] netlink_rcv_skb+0x130/0x360 [11613.062255][ T7704] netlink_unicast+0x449/0x710 [11613.062255][ T7704] netlink_sendmsg+0x723/0xbe0 [11613.062255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11613.062255][ T7704] ___sys_sendmsg+0xee/0x170 [11613.062255][ T7704] __sys_sendmsg+0xcd/0x170 [11613.062255][ T7704] do_syscall_64+0xc6/0x1e0 [11613.062255][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11613.062255][ T7704] [11623.260866][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11623.261433][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11623.261433][ T7704] netdev_get_by_index+0x5e/0x80 [11623.261433][ T7704] fib6_nh_init+0x3d8/0x15b0 [11623.261433][ T7704] ip6_route_info_create+0xf18/0x17d0 [11623.261433][ T7704] ip6_route_add+0x1c/0x140 [11623.261433][ T7704] addrconf_prefix_route+0x2a6/0x430 [11623.261433][ T7704] inet6_addr_add+0x4f8/0xa40 [11623.261433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11623.261433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11623.261433][ T7704] netlink_rcv_skb+0x130/0x360 [11623.261433][ T7704] netlink_unicast+0x449/0x710 [11623.261433][ T7704] netlink_sendmsg+0x723/0xbe0 [11623.261433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11623.261433][ T7704] ___sys_sendmsg+0xee/0x170 [11623.261433][ T7704] __sys_sendmsg+0xcd/0x170 [11623.261433][ T7704] do_syscall_64+0xc6/0x1e0 [11623.261433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11623.261433][ T7704] [11623.264045][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11623.264045][ T7704] netdev_get_by_index+0x5e/0x80 [11623.264045][ T7704] fib6_nh_init+0x3d8/0x15b0 [11623.264045][ T7704] ip6_route_info_create+0xf18/0x17d0 [11623.264045][ T7704] addrconf_f6i_alloc+0x315/0x560 [11623.264045][ T7704] ipv6_add_addr+0x411/0x2000 [11623.264045][ T7704] inet6_addr_add+0x30e/0xa40 [11623.264045][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11623.264045][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11623.264045][ T7704] netlink_rcv_skb+0x130/0x360 [11623.264045][ T7704] netlink_unicast+0x449/0x710 [11623.264045][ T7704] netlink_sendmsg+0x723/0xbe0 [11623.264045][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11623.264045][ T7704] ___sys_sendmsg+0xee/0x170 [11623.264045][ T7704] __sys_sendmsg+0xcd/0x170 [11623.264045][ T7704] do_syscall_64+0xc6/0x1e0 [11623.264045][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11623.264045][ T7704] [11623.266637][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11623.266637][ T7704] netdev_get_by_index+0x5e/0x80 [11623.266637][ T7704] fib6_nh_init+0x3d8/0x15b0 [11623.266637][ T7704] ip6_route_info_create+0xf18/0x17d0 [11623.266637][ T7704] ip6_route_add+0x1c/0x140 [11623.266637][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11623.266637][ T7704] addrconf_add_dev+0xe2/0x170 [11623.266637][ T7704] inet6_addr_add+0x12f/0xa40 [11623.266637][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11623.266637][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11623.266637][ T7704] netlink_rcv_skb+0x130/0x360 [11623.266637][ T7704] netlink_unicast+0x449/0x710 [11623.266637][ T7704] netlink_sendmsg+0x723/0xbe0 [11623.266637][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11623.266637][ T7704] ___sys_sendmsg+0xee/0x170 [11623.266637][ T7704] __sys_sendmsg+0xcd/0x170 [11623.266637][ T7704] do_syscall_64+0xc6/0x1e0 [11623.266637][ T7704] [11623.269194][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11623.269194][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11623.269194][ T7704] ipv6_find_idev+0x102/0x170 [11623.269194][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11623.269194][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11623.269194][ T7704] netlink_rcv_skb+0x130/0x360 [11623.269194][ T7704] netlink_unicast+0x449/0x710 [11623.269194][ T7704] netlink_sendmsg+0x723/0xbe0 [11623.269194][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11623.269194][ T7704] ___sys_sendmsg+0xee/0x170 [11623.269194][ T7704] __sys_sendmsg+0xcd/0x170 [11623.269194][ T7704] do_syscall_64+0xc6/0x1e0 [11623.269194][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11623.269194][ T7704] [11623.271222][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11623.271222][ T7704] neigh_parms_alloc+0x1e5/0x510 [11623.271222][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11623.271222][ T7704] ipv6_find_idev+0x102/0x170 [11623.271222][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11623.271222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11623.271222][ T7704] netlink_rcv_skb+0x130/0x360 [11623.271222][ T7704] netlink_unicast+0x449/0x710 [11623.271222][ T7704] netlink_sendmsg+0x723/0xbe0 [11623.271222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11623.271222][ T7704] ___sys_sendmsg+0xee/0x170 [11623.271222][ T7704] __sys_sendmsg+0xcd/0x170 [11623.271222][ T7704] do_syscall_64+0xc6/0x1e0 [11623.271222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11623.271222][ T7704] [11633.508835][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11633.509521][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11633.509521][ T7704] netdev_get_by_index+0x5e/0x80 [11633.509521][ T7704] fib6_nh_init+0x3d8/0x15b0 [11633.509521][ T7704] ip6_route_info_create+0xf18/0x17d0 [11633.509521][ T7704] ip6_route_add+0x1c/0x140 [11633.509521][ T7704] addrconf_prefix_route+0x2a6/0x430 [11633.509521][ T7704] inet6_addr_add+0x4f8/0xa40 [11633.509521][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11633.509521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11633.509521][ T7704] netlink_rcv_skb+0x130/0x360 [11633.509521][ T7704] netlink_unicast+0x449/0x710 [11633.509521][ T7704] netlink_sendmsg+0x723/0xbe0 [11633.509521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11633.509521][ T7704] ___sys_sendmsg+0xee/0x170 [11633.509521][ T7704] __sys_sendmsg+0xcd/0x170 [11633.509521][ T7704] do_syscall_64+0xc6/0x1e0 [11633.509521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11633.509521][ T7704] [11633.513209][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11633.513209][ T7704] netdev_get_by_index+0x5e/0x80 [11633.513209][ T7704] fib6_nh_init+0x3d8/0x15b0 [11633.513209][ T7704] ip6_route_info_create+0xf18/0x17d0 [11633.513209][ T7704] addrconf_f6i_alloc+0x315/0x560 [11633.513209][ T7704] ipv6_add_addr+0x411/0x2000 [11633.513209][ T7704] inet6_addr_add+0x30e/0xa40 [11633.513209][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11633.513209][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11633.513209][ T7704] netlink_rcv_skb+0x130/0x360 [11633.513209][ T7704] netlink_unicast+0x449/0x710 [11633.513209][ T7704] netlink_sendmsg+0x723/0xbe0 [11633.513209][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11633.513209][ T7704] ___sys_sendmsg+0xee/0x170 [11633.513209][ T7704] __sys_sendmsg+0xcd/0x170 [11633.513209][ T7704] do_syscall_64+0xc6/0x1e0 [11633.513209][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11633.513209][ T7704] [11633.516956][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11633.516956][ T7704] netdev_get_by_index+0x5e/0x80 [11633.516956][ T7704] fib6_nh_init+0x3d8/0x15b0 [11633.516956][ T7704] ip6_route_info_create+0xf18/0x17d0 [11633.516956][ T7704] ip6_route_add+0x1c/0x140 [11633.516956][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11633.516956][ T7704] addrconf_add_dev+0xe2/0x170 [11633.516956][ T7704] inet6_addr_add+0x12f/0xa40 [11633.516956][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11633.516956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11633.516956][ T7704] netlink_rcv_skb+0x130/0x360 [11633.516956][ T7704] netlink_unicast+0x449/0x710 [11633.516956][ T7704] netlink_sendmsg+0x723/0xbe0 [11633.516956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11633.516956][ T7704] ___sys_sendmsg+0xee/0x170 [11633.516956][ T7704] __sys_sendmsg+0xcd/0x170 [11633.516956][ T7704] do_syscall_64+0xc6/0x1e0 [11633.516956][ T7704] [11633.519629][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11633.519629][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11633.519629][ T7704] ipv6_find_idev+0x102/0x170 [11633.519629][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11633.519629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11633.519629][ T7704] netlink_rcv_skb+0x130/0x360 [11633.519629][ T7704] netlink_unicast+0x449/0x710 [11633.519629][ T7704] netlink_sendmsg+0x723/0xbe0 [11633.519629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11633.519629][ T7704] ___sys_sendmsg+0xee/0x170 [11633.519629][ T7704] __sys_sendmsg+0xcd/0x170 [11633.519629][ T7704] do_syscall_64+0xc6/0x1e0 [11633.519629][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11633.519629][ T7704] [11633.521542][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11633.521542][ T7704] neigh_parms_alloc+0x1e5/0x510 [11633.521542][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11633.521542][ T7704] ipv6_find_idev+0x102/0x170 [11633.521542][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11633.521542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11633.521542][ T7704] netlink_rcv_skb+0x130/0x360 [11633.521542][ T7704] netlink_unicast+0x449/0x710 [11633.521542][ T7704] netlink_sendmsg+0x723/0xbe0 [11633.521542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11633.521542][ T7704] ___sys_sendmsg+0xee/0x170 [11633.521542][ T7704] __sys_sendmsg+0xcd/0x170 [11633.521542][ T7704] do_syscall_64+0xc6/0x1e0 [11633.521542][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11633.521542][ T7704] [11643.764862][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11643.765368][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11643.765368][ T7704] netdev_get_by_index+0x5e/0x80 [11643.765368][ T7704] fib6_nh_init+0x3d8/0x15b0 [11643.765368][ T7704] ip6_route_info_create+0xf18/0x17d0 [11643.765368][ T7704] ip6_route_add+0x1c/0x140 [11643.765368][ T7704] addrconf_prefix_route+0x2a6/0x430 [11643.765368][ T7704] inet6_addr_add+0x4f8/0xa40 [11643.765368][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11643.765368][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11643.765368][ T7704] netlink_rcv_skb+0x130/0x360 [11643.765368][ T7704] netlink_unicast+0x449/0x710 [11643.765368][ T7704] netlink_sendmsg+0x723/0xbe0 [11643.765368][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11643.765368][ T7704] ___sys_sendmsg+0xee/0x170 [11643.765368][ T7704] __sys_sendmsg+0xcd/0x170 [11643.765368][ T7704] do_syscall_64+0xc6/0x1e0 [11643.765368][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11643.765368][ T7704] [11643.767888][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11643.767888][ T7704] netdev_get_by_index+0x5e/0x80 [11643.767888][ T7704] fib6_nh_init+0x3d8/0x15b0 [11643.767888][ T7704] ip6_route_info_create+0xf18/0x17d0 [11643.767888][ T7704] addrconf_f6i_alloc+0x315/0x560 [11643.767888][ T7704] ipv6_add_addr+0x411/0x2000 [11643.767888][ T7704] inet6_addr_add+0x30e/0xa40 [11643.767888][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11643.767888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11643.767888][ T7704] netlink_rcv_skb+0x130/0x360 [11643.767888][ T7704] netlink_unicast+0x449/0x710 [11643.767888][ T7704] netlink_sendmsg+0x723/0xbe0 [11643.767888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11643.767888][ T7704] ___sys_sendmsg+0xee/0x170 [11643.767888][ T7704] __sys_sendmsg+0xcd/0x170 [11643.767888][ T7704] do_syscall_64+0xc6/0x1e0 [11643.767888][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11643.767888][ T7704] [11643.770352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11643.770352][ T7704] netdev_get_by_index+0x5e/0x80 [11643.770352][ T7704] fib6_nh_init+0x3d8/0x15b0 [11643.770352][ T7704] ip6_route_info_create+0xf18/0x17d0 [11643.770352][ T7704] ip6_route_add+0x1c/0x140 [11643.770352][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11643.770352][ T7704] addrconf_add_dev+0xe2/0x170 [11643.770352][ T7704] inet6_addr_add+0x12f/0xa40 [11643.770352][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11643.770352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11643.770352][ T7704] netlink_rcv_skb+0x130/0x360 [11643.770352][ T7704] netlink_unicast+0x449/0x710 [11643.770352][ T7704] netlink_sendmsg+0x723/0xbe0 [11643.770352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11643.770352][ T7704] ___sys_sendmsg+0xee/0x170 [11643.770352][ T7704] __sys_sendmsg+0xcd/0x170 [11643.770352][ T7704] do_syscall_64+0xc6/0x1e0 [11643.770352][ T7704] [11643.772774][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11643.772774][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11643.772774][ T7704] ipv6_find_idev+0x102/0x170 [11643.772774][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11643.772774][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11643.772774][ T7704] netlink_rcv_skb+0x130/0x360 [11643.772774][ T7704] netlink_unicast+0x449/0x710 [11643.772774][ T7704] netlink_sendmsg+0x723/0xbe0 [11643.772774][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11643.772774][ T7704] ___sys_sendmsg+0xee/0x170 [11643.772774][ T7704] __sys_sendmsg+0xcd/0x170 [11643.772774][ T7704] do_syscall_64+0xc6/0x1e0 [11643.772774][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11643.772774][ T7704] [11643.774688][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11643.774688][ T7704] neigh_parms_alloc+0x1e5/0x510 [11643.774688][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11643.774688][ T7704] ipv6_find_idev+0x102/0x170 [11643.774688][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11643.774688][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11643.774688][ T7704] netlink_rcv_skb+0x130/0x360 [11643.774688][ T7704] netlink_unicast+0x449/0x710 [11643.774688][ T7704] netlink_sendmsg+0x723/0xbe0 [11643.774688][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11643.774688][ T7704] ___sys_sendmsg+0xee/0x170 [11643.774688][ T7704] __sys_sendmsg+0xcd/0x170 [11643.774688][ T7704] do_syscall_64+0xc6/0x1e0 [11643.774688][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11643.774688][ T7704] [11653.884837][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11653.885384][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11653.885384][ T7704] netdev_get_by_index+0x5e/0x80 [11653.885384][ T7704] fib6_nh_init+0x3d8/0x15b0 [11653.885384][ T7704] ip6_route_info_create+0xf18/0x17d0 [11653.885384][ T7704] ip6_route_add+0x1c/0x140 [11653.885384][ T7704] addrconf_prefix_route+0x2a6/0x430 [11653.885384][ T7704] inet6_addr_add+0x4f8/0xa40 [11653.885384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11653.885384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11653.885384][ T7704] netlink_rcv_skb+0x130/0x360 [11653.885384][ T7704] netlink_unicast+0x449/0x710 [11653.885384][ T7704] netlink_sendmsg+0x723/0xbe0 [11653.885384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11653.885384][ T7704] ___sys_sendmsg+0xee/0x170 [11653.885384][ T7704] __sys_sendmsg+0xcd/0x170 [11653.885384][ T7704] do_syscall_64+0xc6/0x1e0 [11653.885384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11653.885384][ T7704] [11653.888083][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11653.888083][ T7704] netdev_get_by_index+0x5e/0x80 [11653.888083][ T7704] fib6_nh_init+0x3d8/0x15b0 [11653.888083][ T7704] ip6_route_info_create+0xf18/0x17d0 [11653.888083][ T7704] addrconf_f6i_alloc+0x315/0x560 [11653.888083][ T7704] ipv6_add_addr+0x411/0x2000 [11653.888083][ T7704] inet6_addr_add+0x30e/0xa40 [11653.888083][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11653.888083][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11653.888083][ T7704] netlink_rcv_skb+0x130/0x360 [11653.888083][ T7704] netlink_unicast+0x449/0x710 [11653.888083][ T7704] netlink_sendmsg+0x723/0xbe0 [11653.888083][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11653.888083][ T7704] ___sys_sendmsg+0xee/0x170 [11653.888083][ T7704] __sys_sendmsg+0xcd/0x170 [11653.888083][ T7704] do_syscall_64+0xc6/0x1e0 [11653.888083][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11653.888083][ T7704] [11653.890554][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11653.890554][ T7704] netdev_get_by_index+0x5e/0x80 [11653.890554][ T7704] fib6_nh_init+0x3d8/0x15b0 [11653.890554][ T7704] ip6_route_info_create+0xf18/0x17d0 [11653.890554][ T7704] ip6_route_add+0x1c/0x140 [11653.890554][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11653.890554][ T7704] addrconf_add_dev+0xe2/0x170 [11653.890554][ T7704] inet6_addr_add+0x12f/0xa40 [11653.890554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11653.890554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11653.890554][ T7704] netlink_rcv_skb+0x130/0x360 [11653.890554][ T7704] netlink_unicast+0x449/0x710 [11653.890554][ T7704] netlink_sendmsg+0x723/0xbe0 [11653.890554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11653.890554][ T7704] ___sys_sendmsg+0xee/0x170 [11653.890554][ T7704] __sys_sendmsg+0xcd/0x170 [11653.890554][ T7704] do_syscall_64+0xc6/0x1e0 [11653.890554][ T7704] [11653.893037][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11653.893037][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11653.893037][ T7704] ipv6_find_idev+0x102/0x170 [11653.893037][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11653.893037][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11653.893037][ T7704] netlink_rcv_skb+0x130/0x360 [11653.893037][ T7704] netlink_unicast+0x449/0x710 [11653.893037][ T7704] netlink_sendmsg+0x723/0xbe0 [11653.893037][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11653.893037][ T7704] ___sys_sendmsg+0xee/0x170 [11653.893037][ T7704] __sys_sendmsg+0xcd/0x170 [11653.893037][ T7704] do_syscall_64+0xc6/0x1e0 [11653.893037][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11653.893037][ T7704] [11653.894758][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11653.894758][ T7704] neigh_parms_alloc+0x1e5/0x510 [11653.894758][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11653.894758][ T7704] ipv6_find_idev+0x102/0x170 [11653.894758][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11653.894758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11653.894758][ T7704] netlink_rcv_skb+0x130/0x360 [11653.894758][ T7704] netlink_unicast+0x449/0x710 [11653.894758][ T7704] netlink_sendmsg+0x723/0xbe0 [11653.894758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11653.894758][ T7704] ___sys_sendmsg+0xee/0x170 [11653.894758][ T7704] __sys_sendmsg+0xcd/0x170 [11653.894758][ T7704] do_syscall_64+0xc6/0x1e0 [11653.894758][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11653.894758][ T7704] [11663.980785][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11663.981360][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11663.981360][ T7704] netdev_get_by_index+0x5e/0x80 [11663.981360][ T7704] fib6_nh_init+0x3d8/0x15b0 [11663.981360][ T7704] ip6_route_info_create+0xf18/0x17d0 [11663.981360][ T7704] ip6_route_add+0x1c/0x140 [11663.981360][ T7704] addrconf_prefix_route+0x2a6/0x430 [11663.981360][ T7704] inet6_addr_add+0x4f8/0xa40 [11663.981360][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11663.981360][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11663.981360][ T7704] netlink_rcv_skb+0x130/0x360 [11663.981360][ T7704] netlink_unicast+0x449/0x710 [11663.981360][ T7704] netlink_sendmsg+0x723/0xbe0 [11663.981360][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11663.981360][ T7704] ___sys_sendmsg+0xee/0x170 [11663.981360][ T7704] __sys_sendmsg+0xcd/0x170 [11663.981360][ T7704] do_syscall_64+0xc6/0x1e0 [11663.981360][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11663.981360][ T7704] [11663.983895][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11663.983895][ T7704] netdev_get_by_index+0x5e/0x80 [11663.983895][ T7704] fib6_nh_init+0x3d8/0x15b0 [11663.983895][ T7704] ip6_route_info_create+0xf18/0x17d0 [11663.983895][ T7704] addrconf_f6i_alloc+0x315/0x560 [11663.983895][ T7704] ipv6_add_addr+0x411/0x2000 [11663.983895][ T7704] inet6_addr_add+0x30e/0xa40 [11663.983895][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11663.983895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11663.983895][ T7704] netlink_rcv_skb+0x130/0x360 [11663.983895][ T7704] netlink_unicast+0x449/0x710 [11663.983895][ T7704] netlink_sendmsg+0x723/0xbe0 [11663.983895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11663.983895][ T7704] ___sys_sendmsg+0xee/0x170 [11663.983895][ T7704] __sys_sendmsg+0xcd/0x170 [11663.983895][ T7704] do_syscall_64+0xc6/0x1e0 [11663.983895][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11663.983895][ T7704] [11663.986359][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11663.986359][ T7704] netdev_get_by_index+0x5e/0x80 [11663.986359][ T7704] fib6_nh_init+0x3d8/0x15b0 [11663.986359][ T7704] ip6_route_info_create+0xf18/0x17d0 [11663.986359][ T7704] ip6_route_add+0x1c/0x140 [11663.986359][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11663.986359][ T7704] addrconf_add_dev+0xe2/0x170 [11663.986359][ T7704] inet6_addr_add+0x12f/0xa40 [11663.986359][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11663.986359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11663.986359][ T7704] netlink_rcv_skb+0x130/0x360 [11663.986359][ T7704] netlink_unicast+0x449/0x710 [11663.986359][ T7704] netlink_sendmsg+0x723/0xbe0 [11663.986359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11663.986359][ T7704] ___sys_sendmsg+0xee/0x170 [11663.986359][ T7704] __sys_sendmsg+0xcd/0x170 [11663.986359][ T7704] do_syscall_64+0xc6/0x1e0 [11663.986359][ T7704] [11663.988815][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11663.988815][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11663.988815][ T7704] ipv6_find_idev+0x102/0x170 [11663.988815][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11663.988815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11663.988815][ T7704] netlink_rcv_skb+0x130/0x360 [11663.988815][ T7704] netlink_unicast+0x449/0x710 [11663.988815][ T7704] netlink_sendmsg+0x723/0xbe0 [11663.988815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11663.988815][ T7704] ___sys_sendmsg+0xee/0x170 [11663.988815][ T7704] __sys_sendmsg+0xcd/0x170 [11663.988815][ T7704] do_syscall_64+0xc6/0x1e0 [11663.988815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11663.988815][ T7704] [11663.990700][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11663.990700][ T7704] neigh_parms_alloc+0x1e5/0x510 [11663.990700][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11663.990700][ T7704] ipv6_find_idev+0x102/0x170 [11663.990700][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11663.990700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11663.990700][ T7704] netlink_rcv_skb+0x130/0x360 [11663.990700][ T7704] netlink_unicast+0x449/0x710 [11663.990700][ T7704] netlink_sendmsg+0x723/0xbe0 [11663.990700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11663.990700][ T7704] ___sys_sendmsg+0xee/0x170 [11663.990700][ T7704] __sys_sendmsg+0xcd/0x170 [11663.990700][ T7704] do_syscall_64+0xc6/0x1e0 [11663.990700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11663.990700][ T7704] [11674.228834][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11674.229302][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11674.229302][ T7704] netdev_get_by_index+0x5e/0x80 [11674.229302][ T7704] fib6_nh_init+0x3d8/0x15b0 [11674.229302][ T7704] ip6_route_info_create+0xf18/0x17d0 [11674.229302][ T7704] ip6_route_add+0x1c/0x140 [11674.229302][ T7704] addrconf_prefix_route+0x2a6/0x430 [11674.229302][ T7704] inet6_addr_add+0x4f8/0xa40 [11674.229302][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11674.229302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11674.229302][ T7704] netlink_rcv_skb+0x130/0x360 [11674.229302][ T7704] netlink_unicast+0x449/0x710 [11674.229302][ T7704] netlink_sendmsg+0x723/0xbe0 [11674.229302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11674.229302][ T7704] ___sys_sendmsg+0xee/0x170 [11674.229302][ T7704] __sys_sendmsg+0xcd/0x170 [11674.229302][ T7704] do_syscall_64+0xc6/0x1e0 [11674.229302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11674.229302][ T7704] [11674.231775][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11674.231775][ T7704] netdev_get_by_index+0x5e/0x80 [11674.231775][ T7704] fib6_nh_init+0x3d8/0x15b0 [11674.231775][ T7704] ip6_route_info_create+0xf18/0x17d0 [11674.231775][ T7704] addrconf_f6i_alloc+0x315/0x560 [11674.231775][ T7704] ipv6_add_addr+0x411/0x2000 [11674.231775][ T7704] inet6_addr_add+0x30e/0xa40 [11674.231775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11674.231775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11674.231775][ T7704] netlink_rcv_skb+0x130/0x360 [11674.231775][ T7704] netlink_unicast+0x449/0x710 [11674.231775][ T7704] netlink_sendmsg+0x723/0xbe0 [11674.231775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11674.231775][ T7704] ___sys_sendmsg+0xee/0x170 [11674.231775][ T7704] __sys_sendmsg+0xcd/0x170 [11674.231775][ T7704] do_syscall_64+0xc6/0x1e0 [11674.231775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11674.231775][ T7704] [11674.234225][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11674.234225][ T7704] netdev_get_by_index+0x5e/0x80 [11674.234225][ T7704] fib6_nh_init+0x3d8/0x15b0 [11674.234225][ T7704] ip6_route_info_create+0xf18/0x17d0 [11674.234225][ T7704] ip6_route_add+0x1c/0x140 [11674.234225][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11674.234225][ T7704] addrconf_add_dev+0xe2/0x170 [11674.234225][ T7704] inet6_addr_add+0x12f/0xa40 [11674.234225][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11674.234225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11674.234225][ T7704] netlink_rcv_skb+0x130/0x360 [11674.234225][ T7704] netlink_unicast+0x449/0x710 [11674.234225][ T7704] netlink_sendmsg+0x723/0xbe0 [11674.234225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11674.234225][ T7704] ___sys_sendmsg+0xee/0x170 [11674.234225][ T7704] __sys_sendmsg+0xcd/0x170 [11674.234225][ T7704] do_syscall_64+0xc6/0x1e0 [11674.234225][ T7704] [11674.236649][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11674.236649][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11674.236649][ T7704] ipv6_find_idev+0x102/0x170 [11674.236649][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11674.236649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11674.236649][ T7704] netlink_rcv_skb+0x130/0x360 [11674.236649][ T7704] netlink_unicast+0x449/0x710 [11674.236649][ T7704] netlink_sendmsg+0x723/0xbe0 [11674.236649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11674.236649][ T7704] ___sys_sendmsg+0xee/0x170 [11674.236649][ T7704] __sys_sendmsg+0xcd/0x170 [11674.236649][ T7704] do_syscall_64+0xc6/0x1e0 [11674.236649][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11674.236649][ T7704] [11674.238553][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11674.238553][ T7704] neigh_parms_alloc+0x1e5/0x510 [11674.238553][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11674.238553][ T7704] ipv6_find_idev+0x102/0x170 [11674.238553][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11674.238553][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11674.238553][ T7704] netlink_rcv_skb+0x130/0x360 [11674.238553][ T7704] netlink_unicast+0x449/0x710 [11674.238553][ T7704] netlink_sendmsg+0x723/0xbe0 [11674.238553][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11674.238553][ T7704] ___sys_sendmsg+0xee/0x170 [11674.238553][ T7704] __sys_sendmsg+0xcd/0x170 [11674.238553][ T7704] do_syscall_64+0xc6/0x1e0 [11674.238553][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11674.238553][ T7704] [11684.412788][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11684.413366][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11684.413366][ T7704] netdev_get_by_index+0x5e/0x80 [11684.413366][ T7704] fib6_nh_init+0x3d8/0x15b0 [11684.413366][ T7704] ip6_route_info_create+0xf18/0x17d0 [11684.413366][ T7704] ip6_route_add+0x1c/0x140 [11684.413366][ T7704] addrconf_prefix_route+0x2a6/0x430 [11684.413366][ T7704] inet6_addr_add+0x4f8/0xa40 [11684.413366][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11684.413366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11684.413366][ T7704] netlink_rcv_skb+0x130/0x360 [11684.413366][ T7704] netlink_unicast+0x449/0x710 [11684.413366][ T7704] netlink_sendmsg+0x723/0xbe0 [11684.413366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11684.413366][ T7704] ___sys_sendmsg+0xee/0x170 [11684.413366][ T7704] __sys_sendmsg+0xcd/0x170 [11684.413366][ T7704] do_syscall_64+0xc6/0x1e0 [11684.413366][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11684.413366][ T7704] [11684.415696][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11684.415696][ T7704] netdev_get_by_index+0x5e/0x80 [11684.415696][ T7704] fib6_nh_init+0x3d8/0x15b0 [11684.415696][ T7704] ip6_route_info_create+0xf18/0x17d0 [11684.415696][ T7704] addrconf_f6i_alloc+0x315/0x560 [11684.415696][ T7704] ipv6_add_addr+0x411/0x2000 [11684.415696][ T7704] inet6_addr_add+0x30e/0xa40 [11684.415696][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11684.415696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11684.415696][ T7704] netlink_rcv_skb+0x130/0x360 [11684.415696][ T7704] netlink_unicast+0x449/0x710 [11684.415696][ T7704] netlink_sendmsg+0x723/0xbe0 [11684.415696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11684.415696][ T7704] ___sys_sendmsg+0xee/0x170 [11684.415696][ T7704] __sys_sendmsg+0xcd/0x170 [11684.415696][ T7704] do_syscall_64+0xc6/0x1e0 [11684.415696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11684.415696][ T7704] [11684.418177][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11684.418177][ T7704] netdev_get_by_index+0x5e/0x80 [11684.418177][ T7704] fib6_nh_init+0x3d8/0x15b0 [11684.418177][ T7704] ip6_route_info_create+0xf18/0x17d0 [11684.418177][ T7704] ip6_route_add+0x1c/0x140 [11684.418177][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11684.418177][ T7704] addrconf_add_dev+0xe2/0x170 [11684.418177][ T7704] inet6_addr_add+0x12f/0xa40 [11684.418177][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11684.418177][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11684.418177][ T7704] netlink_rcv_skb+0x130/0x360 [11684.418177][ T7704] netlink_unicast+0x449/0x710 [11684.418177][ T7704] netlink_sendmsg+0x723/0xbe0 [11684.418177][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11684.418177][ T7704] ___sys_sendmsg+0xee/0x170 [11684.418177][ T7704] __sys_sendmsg+0xcd/0x170 [11684.418177][ T7704] do_syscall_64+0xc6/0x1e0 [11684.418177][ T7704] [11684.420431][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11684.420431][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11684.420431][ T7704] ipv6_find_idev+0x102/0x170 [11684.420431][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11684.420431][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11684.420431][ T7704] netlink_rcv_skb+0x130/0x360 [11684.420431][ T7704] netlink_unicast+0x449/0x710 [11684.420431][ T7704] netlink_sendmsg+0x723/0xbe0 [11684.420431][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11684.420431][ T7704] ___sys_sendmsg+0xee/0x170 [11684.420431][ T7704] __sys_sendmsg+0xcd/0x170 [11684.420431][ T7704] do_syscall_64+0xc6/0x1e0 [11684.420431][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11684.420431][ T7704] [11684.422221][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11684.422221][ T7704] neigh_parms_alloc+0x1e5/0x510 [11684.422221][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11684.422221][ T7704] ipv6_find_idev+0x102/0x170 [11684.422221][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11684.422221][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11684.422221][ T7704] netlink_rcv_skb+0x130/0x360 [11684.422221][ T7704] netlink_unicast+0x449/0x710 [11684.422221][ T7704] netlink_sendmsg+0x723/0xbe0 [11684.422221][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11684.422221][ T7704] ___sys_sendmsg+0xee/0x170 [11684.422221][ T7704] __sys_sendmsg+0xcd/0x170 [11684.422221][ T7704] do_syscall_64+0xc6/0x1e0 [11684.422221][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11684.422221][ T7704] [11694.836838][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11694.837308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11694.837308][ T7704] netdev_get_by_index+0x5e/0x80 [11694.837308][ T7704] fib6_nh_init+0x3d8/0x15b0 [11694.837308][ T7704] ip6_route_info_create+0xf18/0x17d0 [11694.837308][ T7704] ip6_route_add+0x1c/0x140 [11694.837308][ T7704] addrconf_prefix_route+0x2a6/0x430 [11694.837308][ T7704] inet6_addr_add+0x4f8/0xa40 [11694.837308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11694.837308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11694.837308][ T7704] netlink_rcv_skb+0x130/0x360 [11694.837308][ T7704] netlink_unicast+0x449/0x710 [11694.837308][ T7704] netlink_sendmsg+0x723/0xbe0 [11694.837308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11694.837308][ T7704] ___sys_sendmsg+0xee/0x170 [11694.837308][ T7704] __sys_sendmsg+0xcd/0x170 [11694.837308][ T7704] do_syscall_64+0xc6/0x1e0 [11694.837308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11694.837308][ T7704] [11694.839701][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11694.839701][ T7704] netdev_get_by_index+0x5e/0x80 [11694.839701][ T7704] fib6_nh_init+0x3d8/0x15b0 [11694.839701][ T7704] ip6_route_info_create+0xf18/0x17d0 [11694.839701][ T7704] addrconf_f6i_alloc+0x315/0x560 [11694.839701][ T7704] ipv6_add_addr+0x411/0x2000 [11694.839701][ T7704] inet6_addr_add+0x30e/0xa40 [11694.839701][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11694.839701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11694.839701][ T7704] netlink_rcv_skb+0x130/0x360 [11694.839701][ T7704] netlink_unicast+0x449/0x710 [11694.839701][ T7704] netlink_sendmsg+0x723/0xbe0 [11694.839701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11694.839701][ T7704] ___sys_sendmsg+0xee/0x170 [11694.839701][ T7704] __sys_sendmsg+0xcd/0x170 [11694.839701][ T7704] do_syscall_64+0xc6/0x1e0 [11694.839701][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11694.839701][ T7704] [11694.842138][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11694.842138][ T7704] netdev_get_by_index+0x5e/0x80 [11694.842138][ T7704] fib6_nh_init+0x3d8/0x15b0 [11694.842138][ T7704] ip6_route_info_create+0xf18/0x17d0 [11694.842138][ T7704] ip6_route_add+0x1c/0x140 [11694.842138][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11694.842138][ T7704] addrconf_add_dev+0xe2/0x170 [11694.842138][ T7704] inet6_addr_add+0x12f/0xa40 [11694.842138][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11694.842138][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11694.842138][ T7704] netlink_rcv_skb+0x130/0x360 [11694.842138][ T7704] netlink_unicast+0x449/0x710 [11694.842138][ T7704] netlink_sendmsg+0x723/0xbe0 [11694.842138][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11694.842138][ T7704] ___sys_sendmsg+0xee/0x170 [11694.842138][ T7704] __sys_sendmsg+0xcd/0x170 [11694.842138][ T7704] do_syscall_64+0xc6/0x1e0 [11694.842138][ T7704] [11694.844373][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11694.844373][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11694.844373][ T7704] ipv6_find_idev+0x102/0x170 [11694.844373][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11694.844373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11694.844373][ T7704] netlink_rcv_skb+0x130/0x360 [11694.844373][ T7704] netlink_unicast+0x449/0x710 [11694.844373][ T7704] netlink_sendmsg+0x723/0xbe0 [11694.844373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11694.844373][ T7704] ___sys_sendmsg+0xee/0x170 [11694.844373][ T7704] __sys_sendmsg+0xcd/0x170 [11694.844373][ T7704] do_syscall_64+0xc6/0x1e0 [11694.844373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11694.844373][ T7704] [11694.846132][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11694.846132][ T7704] neigh_parms_alloc+0x1e5/0x510 [11694.846132][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11694.846132][ T7704] ipv6_find_idev+0x102/0x170 [11694.846132][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11694.846132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11694.846132][ T7704] netlink_rcv_skb+0x130/0x360 [11694.846132][ T7704] netlink_unicast+0x449/0x710 [11694.846132][ T7704] netlink_sendmsg+0x723/0xbe0 [11694.846132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11694.846132][ T7704] ___sys_sendmsg+0xee/0x170 [11694.846132][ T7704] __sys_sendmsg+0xcd/0x170 [11694.846132][ T7704] do_syscall_64+0xc6/0x1e0 [11694.846132][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11694.846132][ T7704] [11704.860811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11704.861272][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11704.861272][ T7704] netdev_get_by_index+0x5e/0x80 [11704.861272][ T7704] fib6_nh_init+0x3d8/0x15b0 [11704.861272][ T7704] ip6_route_info_create+0xf18/0x17d0 [11704.861272][ T7704] ip6_route_add+0x1c/0x140 [11704.861272][ T7704] addrconf_prefix_route+0x2a6/0x430 [11704.861272][ T7704] inet6_addr_add+0x4f8/0xa40 [11704.861272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11704.861272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11704.861272][ T7704] netlink_rcv_skb+0x130/0x360 [11704.861272][ T7704] netlink_unicast+0x449/0x710 [11704.861272][ T7704] netlink_sendmsg+0x723/0xbe0 [11704.861272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11704.861272][ T7704] ___sys_sendmsg+0xee/0x170 [11704.861272][ T7704] __sys_sendmsg+0xcd/0x170 [11704.861272][ T7704] do_syscall_64+0xc6/0x1e0 [11704.861272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11704.861272][ T7704] [11704.863598][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11704.863598][ T7704] netdev_get_by_index+0x5e/0x80 [11704.863598][ T7704] fib6_nh_init+0x3d8/0x15b0 [11704.863598][ T7704] ip6_route_info_create+0xf18/0x17d0 [11704.863598][ T7704] addrconf_f6i_alloc+0x315/0x560 [11704.863598][ T7704] ipv6_add_addr+0x411/0x2000 [11704.863598][ T7704] inet6_addr_add+0x30e/0xa40 [11704.863598][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11704.863598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11704.863598][ T7704] netlink_rcv_skb+0x130/0x360 [11704.863598][ T7704] netlink_unicast+0x449/0x710 [11704.863598][ T7704] netlink_sendmsg+0x723/0xbe0 [11704.863598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11704.863598][ T7704] ___sys_sendmsg+0xee/0x170 [11704.863598][ T7704] __sys_sendmsg+0xcd/0x170 [11704.863598][ T7704] do_syscall_64+0xc6/0x1e0 [11704.863598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11704.863598][ T7704] [11704.865838][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11704.865838][ T7704] netdev_get_by_index+0x5e/0x80 [11704.865838][ T7704] fib6_nh_init+0x3d8/0x15b0 [11704.865838][ T7704] ip6_route_info_create+0xf18/0x17d0 [11704.865838][ T7704] ip6_route_add+0x1c/0x140 [11704.865838][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11704.865838][ T7704] addrconf_add_dev+0xe2/0x170 [11704.865838][ T7704] inet6_addr_add+0x12f/0xa40 [11704.865838][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11704.865838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11704.865838][ T7704] netlink_rcv_skb+0x130/0x360 [11704.865838][ T7704] netlink_unicast+0x449/0x710 [11704.865838][ T7704] netlink_sendmsg+0x723/0xbe0 [11704.865838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11704.865838][ T7704] ___sys_sendmsg+0xee/0x170 [11704.865838][ T7704] __sys_sendmsg+0xcd/0x170 [11704.865838][ T7704] do_syscall_64+0xc6/0x1e0 [11704.865838][ T7704] [11704.868073][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11704.868073][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11704.868073][ T7704] ipv6_find_idev+0x102/0x170 [11704.868073][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11704.868073][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11704.868073][ T7704] netlink_rcv_skb+0x130/0x360 [11704.868073][ T7704] netlink_unicast+0x449/0x710 [11704.868073][ T7704] netlink_sendmsg+0x723/0xbe0 [11704.868073][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11704.868073][ T7704] ___sys_sendmsg+0xee/0x170 [11704.868073][ T7704] __sys_sendmsg+0xcd/0x170 [11704.868073][ T7704] do_syscall_64+0xc6/0x1e0 [11704.868073][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11704.868073][ T7704] [11704.869843][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11704.869843][ T7704] neigh_parms_alloc+0x1e5/0x510 [11704.869843][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11704.869843][ T7704] ipv6_find_idev+0x102/0x170 [11704.869843][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11704.869843][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11704.869843][ T7704] netlink_rcv_skb+0x130/0x360 [11704.869843][ T7704] netlink_unicast+0x449/0x710 [11704.869843][ T7704] netlink_sendmsg+0x723/0xbe0 [11704.869843][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11704.869843][ T7704] ___sys_sendmsg+0xee/0x170 [11704.869843][ T7704] __sys_sendmsg+0xcd/0x170 [11704.869843][ T7704] do_syscall_64+0xc6/0x1e0 [11704.869843][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11704.869843][ T7704] [11714.956777][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11714.957269][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11714.957269][ T7704] netdev_get_by_index+0x5e/0x80 [11714.957269][ T7704] fib6_nh_init+0x3d8/0x15b0 [11714.957269][ T7704] ip6_route_info_create+0xf18/0x17d0 [11714.957269][ T7704] ip6_route_add+0x1c/0x140 [11714.957269][ T7704] addrconf_prefix_route+0x2a6/0x430 [11714.957269][ T7704] inet6_addr_add+0x4f8/0xa40 [11714.957269][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11714.957269][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11714.957269][ T7704] netlink_rcv_skb+0x130/0x360 [11714.957269][ T7704] netlink_unicast+0x449/0x710 [11714.957269][ T7704] netlink_sendmsg+0x723/0xbe0 [11714.957269][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11714.957269][ T7704] ___sys_sendmsg+0xee/0x170 [11714.957269][ T7704] __sys_sendmsg+0xcd/0x170 [11714.957269][ T7704] do_syscall_64+0xc6/0x1e0 [11714.957269][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11714.957269][ T7704] [11714.959805][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11714.959805][ T7704] netdev_get_by_index+0x5e/0x80 [11714.959805][ T7704] fib6_nh_init+0x3d8/0x15b0 [11714.959805][ T7704] ip6_route_info_create+0xf18/0x17d0 [11714.959805][ T7704] addrconf_f6i_alloc+0x315/0x560 [11714.959805][ T7704] ipv6_add_addr+0x411/0x2000 [11714.959805][ T7704] inet6_addr_add+0x30e/0xa40 [11714.959805][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11714.959805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11714.959805][ T7704] netlink_rcv_skb+0x130/0x360 [11714.959805][ T7704] netlink_unicast+0x449/0x710 [11714.959805][ T7704] netlink_sendmsg+0x723/0xbe0 [11714.959805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11714.959805][ T7704] ___sys_sendmsg+0xee/0x170 [11714.959805][ T7704] __sys_sendmsg+0xcd/0x170 [11714.959805][ T7704] do_syscall_64+0xc6/0x1e0 [11714.959805][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11714.959805][ T7704] [11714.962322][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11714.962322][ T7704] netdev_get_by_index+0x5e/0x80 [11714.962322][ T7704] fib6_nh_init+0x3d8/0x15b0 [11714.962322][ T7704] ip6_route_info_create+0xf18/0x17d0 [11714.962322][ T7704] ip6_route_add+0x1c/0x140 [11714.962322][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11714.962322][ T7704] addrconf_add_dev+0xe2/0x170 [11714.962322][ T7704] inet6_addr_add+0x12f/0xa40 [11714.962322][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11714.962322][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11714.962322][ T7704] netlink_rcv_skb+0x130/0x360 [11714.962322][ T7704] netlink_unicast+0x449/0x710 [11714.962322][ T7704] netlink_sendmsg+0x723/0xbe0 [11714.962322][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11714.962322][ T7704] ___sys_sendmsg+0xee/0x170 [11714.962322][ T7704] __sys_sendmsg+0xcd/0x170 [11714.962322][ T7704] do_syscall_64+0xc6/0x1e0 [11714.962322][ T7704] [11714.965323][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11714.965323][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11714.965323][ T7704] ipv6_find_idev+0x102/0x170 [11714.965323][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11714.965323][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11714.965323][ T7704] netlink_rcv_skb+0x130/0x360 [11714.965323][ T7704] netlink_unicast+0x449/0x710 [11714.965323][ T7704] netlink_sendmsg+0x723/0xbe0 [11714.965323][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11714.965323][ T7704] ___sys_sendmsg+0xee/0x170 [11714.965323][ T7704] __sys_sendmsg+0xcd/0x170 [11714.965323][ T7704] do_syscall_64+0xc6/0x1e0 [11714.965323][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11714.965323][ T7704] [11714.967297][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11714.967297][ T7704] neigh_parms_alloc+0x1e5/0x510 [11714.967297][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11714.967297][ T7704] ipv6_find_idev+0x102/0x170 [11714.967297][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11714.967297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11714.967297][ T7704] netlink_rcv_skb+0x130/0x360 [11714.967297][ T7704] netlink_unicast+0x449/0x710 [11714.967297][ T7704] netlink_sendmsg+0x723/0xbe0 [11714.967297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11714.967297][ T7704] ___sys_sendmsg+0xee/0x170 [11714.967297][ T7704] __sys_sendmsg+0xcd/0x170 [11714.967297][ T7704] do_syscall_64+0xc6/0x1e0 [11714.967297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11714.967297][ T7704] [11725.220828][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11725.221281][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11725.221281][ T7704] netdev_get_by_index+0x5e/0x80 [11725.221281][ T7704] fib6_nh_init+0x3d8/0x15b0 [11725.221281][ T7704] ip6_route_info_create+0xf18/0x17d0 [11725.221281][ T7704] ip6_route_add+0x1c/0x140 [11725.221281][ T7704] addrconf_prefix_route+0x2a6/0x430 [11725.221281][ T7704] inet6_addr_add+0x4f8/0xa40 [11725.221281][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11725.221281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11725.221281][ T7704] netlink_rcv_skb+0x130/0x360 [11725.221281][ T7704] netlink_unicast+0x449/0x710 [11725.221281][ T7704] netlink_sendmsg+0x723/0xbe0 [11725.221281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11725.221281][ T7704] ___sys_sendmsg+0xee/0x170 [11725.221281][ T7704] __sys_sendmsg+0xcd/0x170 [11725.221281][ T7704] do_syscall_64+0xc6/0x1e0 [11725.221281][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11725.221281][ T7704] [11725.223564][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11725.223564][ T7704] netdev_get_by_index+0x5e/0x80 [11725.223564][ T7704] fib6_nh_init+0x3d8/0x15b0 [11725.223564][ T7704] ip6_route_info_create+0xf18/0x17d0 [11725.223564][ T7704] addrconf_f6i_alloc+0x315/0x560 [11725.223564][ T7704] ipv6_add_addr+0x411/0x2000 [11725.223564][ T7704] inet6_addr_add+0x30e/0xa40 [11725.223564][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11725.223564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11725.223564][ T7704] netlink_rcv_skb+0x130/0x360 [11725.223564][ T7704] netlink_unicast+0x449/0x710 [11725.223564][ T7704] netlink_sendmsg+0x723/0xbe0 [11725.223564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11725.223564][ T7704] ___sys_sendmsg+0xee/0x170 [11725.223564][ T7704] __sys_sendmsg+0xcd/0x170 [11725.223564][ T7704] do_syscall_64+0xc6/0x1e0 [11725.223564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11725.223564][ T7704] [11725.225786][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11725.225786][ T7704] netdev_get_by_index+0x5e/0x80 [11725.225786][ T7704] fib6_nh_init+0x3d8/0x15b0 [11725.225786][ T7704] ip6_route_info_create+0xf18/0x17d0 [11725.225786][ T7704] ip6_route_add+0x1c/0x140 [11725.225786][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11725.225786][ T7704] addrconf_add_dev+0xe2/0x170 [11725.225786][ T7704] inet6_addr_add+0x12f/0xa40 [11725.225786][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11725.225786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11725.225786][ T7704] netlink_rcv_skb+0x130/0x360 [11725.225786][ T7704] netlink_unicast+0x449/0x710 [11725.225786][ T7704] netlink_sendmsg+0x723/0xbe0 [11725.225786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11725.225786][ T7704] ___sys_sendmsg+0xee/0x170 [11725.225786][ T7704] __sys_sendmsg+0xcd/0x170 [11725.225786][ T7704] do_syscall_64+0xc6/0x1e0 [11725.225786][ T7704] [11725.227987][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11725.227987][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11725.227987][ T7704] ipv6_find_idev+0x102/0x170 [11725.227987][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11725.227987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11725.227987][ T7704] netlink_rcv_skb+0x130/0x360 [11725.227987][ T7704] netlink_unicast+0x449/0x710 [11725.227987][ T7704] netlink_sendmsg+0x723/0xbe0 [11725.227987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11725.227987][ T7704] ___sys_sendmsg+0xee/0x170 [11725.227987][ T7704] __sys_sendmsg+0xcd/0x170 [11725.227987][ T7704] do_syscall_64+0xc6/0x1e0 [11725.227987][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11725.227987][ T7704] [11725.229690][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11725.229690][ T7704] neigh_parms_alloc+0x1e5/0x510 [11725.229690][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11725.229690][ T7704] ipv6_find_idev+0x102/0x170 [11725.229690][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11725.229690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11725.229690][ T7704] netlink_rcv_skb+0x130/0x360 [11725.229690][ T7704] netlink_unicast+0x449/0x710 [11725.229690][ T7704] netlink_sendmsg+0x723/0xbe0 [11725.229690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11725.229690][ T7704] ___sys_sendmsg+0xee/0x170 [11725.229690][ T7704] __sys_sendmsg+0xcd/0x170 [11725.229690][ T7704] do_syscall_64+0xc6/0x1e0 [11725.229690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11725.229690][ T7704] [11735.468825][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11735.469317][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11735.469317][ T7704] netdev_get_by_index+0x5e/0x80 [11735.469317][ T7704] fib6_nh_init+0x3d8/0x15b0 [11735.469317][ T7704] ip6_route_info_create+0xf18/0x17d0 [11735.469317][ T7704] ip6_route_add+0x1c/0x140 [11735.469317][ T7704] addrconf_prefix_route+0x2a6/0x430 [11735.469317][ T7704] inet6_addr_add+0x4f8/0xa40 [11735.469317][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11735.469317][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11735.469317][ T7704] netlink_rcv_skb+0x130/0x360 [11735.469317][ T7704] netlink_unicast+0x449/0x710 [11735.469317][ T7704] netlink_sendmsg+0x723/0xbe0 [11735.469317][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11735.469317][ T7704] ___sys_sendmsg+0xee/0x170 [11735.469317][ T7704] __sys_sendmsg+0xcd/0x170 [11735.469317][ T7704] do_syscall_64+0xc6/0x1e0 [11735.469317][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11735.469317][ T7704] [11735.472026][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11735.472026][ T7704] netdev_get_by_index+0x5e/0x80 [11735.472026][ T7704] fib6_nh_init+0x3d8/0x15b0 [11735.472026][ T7704] ip6_route_info_create+0xf18/0x17d0 [11735.472026][ T7704] addrconf_f6i_alloc+0x315/0x560 [11735.472026][ T7704] ipv6_add_addr+0x411/0x2000 [11735.472026][ T7704] inet6_addr_add+0x30e/0xa40 [11735.472026][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11735.472026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11735.472026][ T7704] netlink_rcv_skb+0x130/0x360 [11735.472026][ T7704] netlink_unicast+0x449/0x710 [11735.472026][ T7704] netlink_sendmsg+0x723/0xbe0 [11735.472026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11735.472026][ T7704] ___sys_sendmsg+0xee/0x170 [11735.472026][ T7704] __sys_sendmsg+0xcd/0x170 [11735.472026][ T7704] do_syscall_64+0xc6/0x1e0 [11735.472026][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11735.472026][ T7704] [11735.474743][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11735.474743][ T7704] netdev_get_by_index+0x5e/0x80 [11735.474743][ T7704] fib6_nh_init+0x3d8/0x15b0 [11735.474743][ T7704] ip6_route_info_create+0xf18/0x17d0 [11735.474743][ T7704] ip6_route_add+0x1c/0x140 [11735.474743][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11735.474743][ T7704] addrconf_add_dev+0xe2/0x170 [11735.474743][ T7704] inet6_addr_add+0x12f/0xa40 [11735.474743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11735.474743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11735.474743][ T7704] netlink_rcv_skb+0x130/0x360 [11735.474743][ T7704] netlink_unicast+0x449/0x710 [11735.474743][ T7704] netlink_sendmsg+0x723/0xbe0 [11735.474743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11735.474743][ T7704] ___sys_sendmsg+0xee/0x170 [11735.474743][ T7704] __sys_sendmsg+0xcd/0x170 [11735.474743][ T7704] do_syscall_64+0xc6/0x1e0 [11735.474743][ T7704] [11735.477300][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11735.477300][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11735.477300][ T7704] ipv6_find_idev+0x102/0x170 [11735.477300][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11735.477300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11735.477300][ T7704] netlink_rcv_skb+0x130/0x360 [11735.477300][ T7704] netlink_unicast+0x449/0x710 [11735.477300][ T7704] netlink_sendmsg+0x723/0xbe0 [11735.477300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11735.477300][ T7704] ___sys_sendmsg+0xee/0x170 [11735.477300][ T7704] __sys_sendmsg+0xcd/0x170 [11735.477300][ T7704] do_syscall_64+0xc6/0x1e0 [11735.477300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11735.477300][ T7704] [11735.480070][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11735.480070][ T7704] neigh_parms_alloc+0x1e5/0x510 [11735.480070][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11735.480070][ T7704] ipv6_find_idev+0x102/0x170 [11735.480070][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11735.480070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11735.480070][ T7704] netlink_rcv_skb+0x130/0x360 [11735.480070][ T7704] netlink_unicast+0x449/0x710 [11735.480070][ T7704] netlink_sendmsg+0x723/0xbe0 [11735.480070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11735.480070][ T7704] ___sys_sendmsg+0xee/0x170 [11735.480070][ T7704] __sys_sendmsg+0xcd/0x170 [11735.480070][ T7704] do_syscall_64+0xc6/0x1e0 [11735.480070][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11735.480070][ T7704] [11745.724791][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11745.725291][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11745.725291][ T7704] netdev_get_by_index+0x5e/0x80 [11745.725291][ T7704] fib6_nh_init+0x3d8/0x15b0 [11745.725291][ T7704] ip6_route_info_create+0xf18/0x17d0 [11745.725291][ T7704] ip6_route_add+0x1c/0x140 [11745.725291][ T7704] addrconf_prefix_route+0x2a6/0x430 [11745.725291][ T7704] inet6_addr_add+0x4f8/0xa40 [11745.725291][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11745.725291][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11745.725291][ T7704] netlink_rcv_skb+0x130/0x360 [11745.725291][ T7704] netlink_unicast+0x449/0x710 [11745.725291][ T7704] netlink_sendmsg+0x723/0xbe0 [11745.725291][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11745.725291][ T7704] ___sys_sendmsg+0xee/0x170 [11745.725291][ T7704] __sys_sendmsg+0xcd/0x170 [11745.725291][ T7704] do_syscall_64+0xc6/0x1e0 [11745.725291][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11745.725291][ T7704] [11745.727926][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11745.727926][ T7704] netdev_get_by_index+0x5e/0x80 [11745.727926][ T7704] fib6_nh_init+0x3d8/0x15b0 [11745.727926][ T7704] ip6_route_info_create+0xf18/0x17d0 [11745.727926][ T7704] addrconf_f6i_alloc+0x315/0x560 [11745.727926][ T7704] ipv6_add_addr+0x411/0x2000 [11745.727926][ T7704] inet6_addr_add+0x30e/0xa40 [11745.727926][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11745.727926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11745.727926][ T7704] netlink_rcv_skb+0x130/0x360 [11745.727926][ T7704] netlink_unicast+0x449/0x710 [11745.727926][ T7704] netlink_sendmsg+0x723/0xbe0 [11745.727926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11745.727926][ T7704] ___sys_sendmsg+0xee/0x170 [11745.727926][ T7704] __sys_sendmsg+0xcd/0x170 [11745.727926][ T7704] do_syscall_64+0xc6/0x1e0 [11745.727926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11745.727926][ T7704] [11745.730487][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11745.730487][ T7704] netdev_get_by_index+0x5e/0x80 [11745.730487][ T7704] fib6_nh_init+0x3d8/0x15b0 [11745.730487][ T7704] ip6_route_info_create+0xf18/0x17d0 [11745.730487][ T7704] ip6_route_add+0x1c/0x140 [11745.730487][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11745.730487][ T7704] addrconf_add_dev+0xe2/0x170 [11745.730487][ T7704] inet6_addr_add+0x12f/0xa40 [11745.730487][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11745.730487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11745.730487][ T7704] netlink_rcv_skb+0x130/0x360 [11745.730487][ T7704] netlink_unicast+0x449/0x710 [11745.730487][ T7704] netlink_sendmsg+0x723/0xbe0 [11745.730487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11745.730487][ T7704] ___sys_sendmsg+0xee/0x170 [11745.730487][ T7704] __sys_sendmsg+0xcd/0x170 [11745.730487][ T7704] do_syscall_64+0xc6/0x1e0 [11745.730487][ T7704] [11745.733112][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11745.733112][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11745.733112][ T7704] ipv6_find_idev+0x102/0x170 [11745.733112][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11745.733112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11745.733112][ T7704] netlink_rcv_skb+0x130/0x360 [11745.733112][ T7704] netlink_unicast+0x449/0x710 [11745.733112][ T7704] netlink_sendmsg+0x723/0xbe0 [11745.733112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11745.733112][ T7704] ___sys_sendmsg+0xee/0x170 [11745.733112][ T7704] __sys_sendmsg+0xcd/0x170 [11745.733112][ T7704] do_syscall_64+0xc6/0x1e0 [11745.733112][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11745.733112][ T7704] [11745.735152][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11745.735152][ T7704] neigh_parms_alloc+0x1e5/0x510 [11745.735152][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11745.735152][ T7704] ipv6_find_idev+0x102/0x170 [11745.735152][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11745.735152][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11745.735152][ T7704] netlink_rcv_skb+0x130/0x360 [11745.735152][ T7704] netlink_unicast+0x449/0x710 [11745.735152][ T7704] netlink_sendmsg+0x723/0xbe0 [11745.735152][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11745.735152][ T7704] ___sys_sendmsg+0xee/0x170 [11745.735152][ T7704] __sys_sendmsg+0xcd/0x170 [11745.735152][ T7704] do_syscall_64+0xc6/0x1e0 [11745.735152][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11745.735152][ T7704] [11755.972829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11755.973383][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11755.973383][ T7704] netdev_get_by_index+0x5e/0x80 [11755.973383][ T7704] fib6_nh_init+0x3d8/0x15b0 [11755.973383][ T7704] ip6_route_info_create+0xf18/0x17d0 [11755.973383][ T7704] ip6_route_add+0x1c/0x140 [11755.973383][ T7704] addrconf_prefix_route+0x2a6/0x430 [11755.973383][ T7704] inet6_addr_add+0x4f8/0xa40 [11755.973383][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11755.973383][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11755.973383][ T7704] netlink_rcv_skb+0x130/0x360 [11755.973383][ T7704] netlink_unicast+0x449/0x710 [11755.973383][ T7704] netlink_sendmsg+0x723/0xbe0 [11755.973383][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11755.973383][ T7704] ___sys_sendmsg+0xee/0x170 [11755.973383][ T7704] __sys_sendmsg+0xcd/0x170 [11755.973383][ T7704] do_syscall_64+0xc6/0x1e0 [11755.973383][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11755.973383][ T7704] [11755.975824][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11755.975824][ T7704] netdev_get_by_index+0x5e/0x80 [11755.975824][ T7704] fib6_nh_init+0x3d8/0x15b0 [11755.975824][ T7704] ip6_route_info_create+0xf18/0x17d0 [11755.975824][ T7704] addrconf_f6i_alloc+0x315/0x560 [11755.975824][ T7704] ipv6_add_addr+0x411/0x2000 [11755.975824][ T7704] inet6_addr_add+0x30e/0xa40 [11755.975824][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11755.975824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11755.975824][ T7704] netlink_rcv_skb+0x130/0x360 [11755.975824][ T7704] netlink_unicast+0x449/0x710 [11755.975824][ T7704] netlink_sendmsg+0x723/0xbe0 [11755.975824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11755.975824][ T7704] ___sys_sendmsg+0xee/0x170 [11755.975824][ T7704] __sys_sendmsg+0xcd/0x170 [11755.975824][ T7704] do_syscall_64+0xc6/0x1e0 [11755.975824][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11755.975824][ T7704] [11755.978241][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11755.978241][ T7704] netdev_get_by_index+0x5e/0x80 [11755.978241][ T7704] fib6_nh_init+0x3d8/0x15b0 [11755.978241][ T7704] ip6_route_info_create+0xf18/0x17d0 [11755.978241][ T7704] ip6_route_add+0x1c/0x140 [11755.978241][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11755.978241][ T7704] addrconf_add_dev+0xe2/0x170 [11755.978241][ T7704] inet6_addr_add+0x12f/0xa40 [11755.978241][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11755.978241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11755.978241][ T7704] netlink_rcv_skb+0x130/0x360 [11755.978241][ T7704] netlink_unicast+0x449/0x710 [11755.978241][ T7704] netlink_sendmsg+0x723/0xbe0 [11755.978241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11755.978241][ T7704] ___sys_sendmsg+0xee/0x170 [11755.978241][ T7704] __sys_sendmsg+0xcd/0x170 [11755.978241][ T7704] do_syscall_64+0xc6/0x1e0 [11755.978241][ T7704] [11755.980617][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11755.980617][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11755.980617][ T7704] ipv6_find_idev+0x102/0x170 [11755.980617][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11755.980617][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11755.980617][ T7704] netlink_rcv_skb+0x130/0x360 [11755.980617][ T7704] netlink_unicast+0x449/0x710 [11755.980617][ T7704] netlink_sendmsg+0x723/0xbe0 [11755.980617][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11755.980617][ T7704] ___sys_sendmsg+0xee/0x170 [11755.980617][ T7704] __sys_sendmsg+0xcd/0x170 [11755.980617][ T7704] do_syscall_64+0xc6/0x1e0 [11755.980617][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11755.980617][ T7704] [11755.982479][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11755.982479][ T7704] neigh_parms_alloc+0x1e5/0x510 [11755.982479][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11755.982479][ T7704] ipv6_find_idev+0x102/0x170 [11755.982479][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11755.982479][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11755.982479][ T7704] netlink_rcv_skb+0x130/0x360 [11755.982479][ T7704] netlink_unicast+0x449/0x710 [11755.982479][ T7704] netlink_sendmsg+0x723/0xbe0 [11755.982479][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11755.982479][ T7704] ___sys_sendmsg+0xee/0x170 [11755.982479][ T7704] __sys_sendmsg+0xcd/0x170 [11755.982479][ T7704] do_syscall_64+0xc6/0x1e0 [11755.982479][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11755.982479][ T7704] [11766.332911][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11766.333591][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11766.333591][ T7704] netdev_get_by_index+0x5e/0x80 [11766.333591][ T7704] fib6_nh_init+0x3d8/0x15b0 [11766.333591][ T7704] ip6_route_info_create+0xf18/0x17d0 [11766.333591][ T7704] ip6_route_add+0x1c/0x140 [11766.333591][ T7704] addrconf_prefix_route+0x2a6/0x430 [11766.333591][ T7704] inet6_addr_add+0x4f8/0xa40 [11766.333591][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11766.333591][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11766.333591][ T7704] netlink_rcv_skb+0x130/0x360 [11766.333591][ T7704] netlink_unicast+0x449/0x710 [11766.333591][ T7704] netlink_sendmsg+0x723/0xbe0 [11766.333591][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11766.333591][ T7704] ___sys_sendmsg+0xee/0x170 [11766.333591][ T7704] __sys_sendmsg+0xcd/0x170 [11766.333591][ T7704] do_syscall_64+0xc6/0x1e0 [11766.333591][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11766.333591][ T7704] [11766.336609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11766.336609][ T7704] netdev_get_by_index+0x5e/0x80 [11766.336609][ T7704] fib6_nh_init+0x3d8/0x15b0 [11766.336609][ T7704] ip6_route_info_create+0xf18/0x17d0 [11766.336609][ T7704] addrconf_f6i_alloc+0x315/0x560 [11766.336609][ T7704] ipv6_add_addr+0x411/0x2000 [11766.336609][ T7704] inet6_addr_add+0x30e/0xa40 [11766.336609][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11766.336609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11766.336609][ T7704] netlink_rcv_skb+0x130/0x360 [11766.336609][ T7704] netlink_unicast+0x449/0x710 [11766.336609][ T7704] netlink_sendmsg+0x723/0xbe0 [11766.336609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11766.336609][ T7704] ___sys_sendmsg+0xee/0x170 [11766.336609][ T7704] __sys_sendmsg+0xcd/0x170 [11766.336609][ T7704] do_syscall_64+0xc6/0x1e0 [11766.336609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11766.336609][ T7704] [11766.339035][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11766.339035][ T7704] netdev_get_by_index+0x5e/0x80 [11766.339035][ T7704] fib6_nh_init+0x3d8/0x15b0 [11766.339035][ T7704] ip6_route_info_create+0xf18/0x17d0 [11766.339035][ T7704] ip6_route_add+0x1c/0x140 [11766.339035][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11766.339035][ T7704] addrconf_add_dev+0xe2/0x170 [11766.339035][ T7704] inet6_addr_add+0x12f/0xa40 [11766.339035][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11766.339035][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11766.339035][ T7704] netlink_rcv_skb+0x130/0x360 [11766.339035][ T7704] netlink_unicast+0x449/0x710 [11766.339035][ T7704] netlink_sendmsg+0x723/0xbe0 [11766.339035][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11766.339035][ T7704] ___sys_sendmsg+0xee/0x170 [11766.339035][ T7704] __sys_sendmsg+0xcd/0x170 [11766.339035][ T7704] do_syscall_64+0xc6/0x1e0 [11766.339035][ T7704] [11766.341409][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11766.341409][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11766.341409][ T7704] ipv6_find_idev+0x102/0x170 [11766.341409][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11766.341409][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11766.341409][ T7704] netlink_rcv_skb+0x130/0x360 [11766.341409][ T7704] netlink_unicast+0x449/0x710 [11766.341409][ T7704] netlink_sendmsg+0x723/0xbe0 [11766.341409][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11766.341409][ T7704] ___sys_sendmsg+0xee/0x170 [11766.341409][ T7704] __sys_sendmsg+0xcd/0x170 [11766.341409][ T7704] do_syscall_64+0xc6/0x1e0 [11766.341409][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11766.341409][ T7704] [11766.343278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11766.343278][ T7704] neigh_parms_alloc+0x1e5/0x510 [11766.343278][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11766.343278][ T7704] ipv6_find_idev+0x102/0x170 [11766.343278][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11766.343278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11766.343278][ T7704] netlink_rcv_skb+0x130/0x360 [11766.343278][ T7704] netlink_unicast+0x449/0x710 [11766.343278][ T7704] netlink_sendmsg+0x723/0xbe0 [11766.343278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11766.343278][ T7704] ___sys_sendmsg+0xee/0x170 [11766.343278][ T7704] __sys_sendmsg+0xcd/0x170 [11766.343278][ T7704] do_syscall_64+0xc6/0x1e0 [11766.343278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11766.343278][ T7704] [11776.580889][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11776.581393][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11776.581393][ T7704] netdev_get_by_index+0x5e/0x80 [11776.581393][ T7704] fib6_nh_init+0x3d8/0x15b0 [11776.581393][ T7704] ip6_route_info_create+0xf18/0x17d0 [11776.581393][ T7704] ip6_route_add+0x1c/0x140 [11776.581393][ T7704] addrconf_prefix_route+0x2a6/0x430 [11776.581393][ T7704] inet6_addr_add+0x4f8/0xa40 [11776.581393][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11776.581393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11776.581393][ T7704] netlink_rcv_skb+0x130/0x360 [11776.581393][ T7704] netlink_unicast+0x449/0x710 [11776.581393][ T7704] netlink_sendmsg+0x723/0xbe0 [11776.581393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11776.581393][ T7704] ___sys_sendmsg+0xee/0x170 [11776.581393][ T7704] __sys_sendmsg+0xcd/0x170 [11776.581393][ T7704] do_syscall_64+0xc6/0x1e0 [11776.581393][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11776.581393][ T7704] [11776.583833][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11776.583833][ T7704] netdev_get_by_index+0x5e/0x80 [11776.583833][ T7704] fib6_nh_init+0x3d8/0x15b0 [11776.583833][ T7704] ip6_route_info_create+0xf18/0x17d0 [11776.583833][ T7704] addrconf_f6i_alloc+0x315/0x560 [11776.583833][ T7704] ipv6_add_addr+0x411/0x2000 [11776.583833][ T7704] inet6_addr_add+0x30e/0xa40 [11776.583833][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11776.583833][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11776.583833][ T7704] netlink_rcv_skb+0x130/0x360 [11776.583833][ T7704] netlink_unicast+0x449/0x710 [11776.583833][ T7704] netlink_sendmsg+0x723/0xbe0 [11776.583833][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11776.583833][ T7704] ___sys_sendmsg+0xee/0x170 [11776.583833][ T7704] __sys_sendmsg+0xcd/0x170 [11776.583833][ T7704] do_syscall_64+0xc6/0x1e0 [11776.583833][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11776.583833][ T7704] [11776.586270][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11776.586270][ T7704] netdev_get_by_index+0x5e/0x80 [11776.586270][ T7704] fib6_nh_init+0x3d8/0x15b0 [11776.586270][ T7704] ip6_route_info_create+0xf18/0x17d0 [11776.586270][ T7704] ip6_route_add+0x1c/0x140 [11776.586270][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11776.586270][ T7704] addrconf_add_dev+0xe2/0x170 [11776.586270][ T7704] inet6_addr_add+0x12f/0xa40 [11776.586270][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11776.586270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11776.586270][ T7704] netlink_rcv_skb+0x130/0x360 [11776.586270][ T7704] netlink_unicast+0x449/0x710 [11776.586270][ T7704] netlink_sendmsg+0x723/0xbe0 [11776.586270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11776.586270][ T7704] ___sys_sendmsg+0xee/0x170 [11776.586270][ T7704] __sys_sendmsg+0xcd/0x170 [11776.586270][ T7704] do_syscall_64+0xc6/0x1e0 [11776.586270][ T7704] [11776.588631][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11776.588631][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11776.588631][ T7704] ipv6_find_idev+0x102/0x170 [11776.588631][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11776.588631][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11776.588631][ T7704] netlink_rcv_skb+0x130/0x360 [11776.588631][ T7704] netlink_unicast+0x449/0x710 [11776.588631][ T7704] netlink_sendmsg+0x723/0xbe0 [11776.588631][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11776.588631][ T7704] ___sys_sendmsg+0xee/0x170 [11776.588631][ T7704] __sys_sendmsg+0xcd/0x170 [11776.588631][ T7704] do_syscall_64+0xc6/0x1e0 [11776.588631][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11776.588631][ T7704] [11776.590486][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11776.590486][ T7704] neigh_parms_alloc+0x1e5/0x510 [11776.590486][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11776.590486][ T7704] ipv6_find_idev+0x102/0x170 [11776.590486][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11776.590486][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11776.590486][ T7704] netlink_rcv_skb+0x130/0x360 [11776.590486][ T7704] netlink_unicast+0x449/0x710 [11776.590486][ T7704] netlink_sendmsg+0x723/0xbe0 [11776.590486][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11776.590486][ T7704] ___sys_sendmsg+0xee/0x170 [11776.590486][ T7704] __sys_sendmsg+0xcd/0x170 [11776.590486][ T7704] do_syscall_64+0xc6/0x1e0 [11776.590486][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11776.590486][ T7704] [11786.732888][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11786.733383][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11786.733383][ T7704] netdev_get_by_index+0x5e/0x80 [11786.733383][ T7704] fib6_nh_init+0x3d8/0x15b0 [11786.733383][ T7704] ip6_route_info_create+0xf18/0x17d0 [11786.733383][ T7704] ip6_route_add+0x1c/0x140 [11786.733383][ T7704] addrconf_prefix_route+0x2a6/0x430 [11786.733383][ T7704] inet6_addr_add+0x4f8/0xa40 [11786.733383][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11786.733383][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11786.733383][ T7704] netlink_rcv_skb+0x130/0x360 [11786.733383][ T7704] netlink_unicast+0x449/0x710 [11786.733383][ T7704] netlink_sendmsg+0x723/0xbe0 [11786.733383][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11786.733383][ T7704] ___sys_sendmsg+0xee/0x170 [11786.733383][ T7704] __sys_sendmsg+0xcd/0x170 [11786.733383][ T7704] do_syscall_64+0xc6/0x1e0 [11786.733383][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11786.733383][ T7704] [11786.735629][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11786.735629][ T7704] netdev_get_by_index+0x5e/0x80 [11786.735629][ T7704] fib6_nh_init+0x3d8/0x15b0 [11786.735629][ T7704] ip6_route_info_create+0xf18/0x17d0 [11786.735629][ T7704] addrconf_f6i_alloc+0x315/0x560 [11786.735629][ T7704] ipv6_add_addr+0x411/0x2000 [11786.735629][ T7704] inet6_addr_add+0x30e/0xa40 [11786.735629][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11786.735629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11786.735629][ T7704] netlink_rcv_skb+0x130/0x360 [11786.735629][ T7704] netlink_unicast+0x449/0x710 [11786.735629][ T7704] netlink_sendmsg+0x723/0xbe0 [11786.735629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11786.735629][ T7704] ___sys_sendmsg+0xee/0x170 [11786.735629][ T7704] __sys_sendmsg+0xcd/0x170 [11786.735629][ T7704] do_syscall_64+0xc6/0x1e0 [11786.735629][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11786.735629][ T7704] [11786.737922][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11786.737922][ T7704] netdev_get_by_index+0x5e/0x80 [11786.737922][ T7704] fib6_nh_init+0x3d8/0x15b0 [11786.737922][ T7704] ip6_route_info_create+0xf18/0x17d0 [11786.737922][ T7704] ip6_route_add+0x1c/0x140 [11786.737922][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11786.737922][ T7704] addrconf_add_dev+0xe2/0x170 [11786.737922][ T7704] inet6_addr_add+0x12f/0xa40 [11786.737922][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11786.737922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11786.737922][ T7704] netlink_rcv_skb+0x130/0x360 [11786.737922][ T7704] netlink_unicast+0x449/0x710 [11786.737922][ T7704] netlink_sendmsg+0x723/0xbe0 [11786.737922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11786.737922][ T7704] ___sys_sendmsg+0xee/0x170 [11786.737922][ T7704] __sys_sendmsg+0xcd/0x170 [11786.737922][ T7704] do_syscall_64+0xc6/0x1e0 [11786.737922][ T7704] [11786.740103][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11786.740103][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11786.740103][ T7704] ipv6_find_idev+0x102/0x170 [11786.740103][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11786.740103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11786.740103][ T7704] netlink_rcv_skb+0x130/0x360 [11786.740103][ T7704] netlink_unicast+0x449/0x710 [11786.740103][ T7704] netlink_sendmsg+0x723/0xbe0 [11786.740103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11786.740103][ T7704] ___sys_sendmsg+0xee/0x170 [11786.740103][ T7704] __sys_sendmsg+0xcd/0x170 [11786.740103][ T7704] do_syscall_64+0xc6/0x1e0 [11786.740103][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11786.740103][ T7704] [11786.741818][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11786.741818][ T7704] neigh_parms_alloc+0x1e5/0x510 [11786.741818][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11786.741818][ T7704] ipv6_find_idev+0x102/0x170 [11786.741818][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11786.741818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11786.741818][ T7704] netlink_rcv_skb+0x130/0x360 [11786.741818][ T7704] netlink_unicast+0x449/0x710 [11786.741818][ T7704] netlink_sendmsg+0x723/0xbe0 [11786.741818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11786.741818][ T7704] ___sys_sendmsg+0xee/0x170 [11786.741818][ T7704] __sys_sendmsg+0xcd/0x170 [11786.741818][ T7704] do_syscall_64+0xc6/0x1e0 [11786.741818][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11786.741818][ T7704] [11796.980793][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11796.981355][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11796.981355][ T7704] netdev_get_by_index+0x5e/0x80 [11796.981355][ T7704] fib6_nh_init+0x3d8/0x15b0 [11796.981355][ T7704] ip6_route_info_create+0xf18/0x17d0 [11796.981355][ T7704] ip6_route_add+0x1c/0x140 [11796.981355][ T7704] addrconf_prefix_route+0x2a6/0x430 [11796.981355][ T7704] inet6_addr_add+0x4f8/0xa40 [11796.981355][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11796.981355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11796.981355][ T7704] netlink_rcv_skb+0x130/0x360 [11796.981355][ T7704] netlink_unicast+0x449/0x710 [11796.981355][ T7704] netlink_sendmsg+0x723/0xbe0 [11796.981355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11796.981355][ T7704] ___sys_sendmsg+0xee/0x170 [11796.981355][ T7704] __sys_sendmsg+0xcd/0x170 [11796.981355][ T7704] do_syscall_64+0xc6/0x1e0 [11796.981355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11796.981355][ T7704] [11796.983755][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11796.983755][ T7704] netdev_get_by_index+0x5e/0x80 [11796.983755][ T7704] fib6_nh_init+0x3d8/0x15b0 [11796.983755][ T7704] ip6_route_info_create+0xf18/0x17d0 [11796.983755][ T7704] addrconf_f6i_alloc+0x315/0x560 [11796.983755][ T7704] ipv6_add_addr+0x411/0x2000 [11796.983755][ T7704] inet6_addr_add+0x30e/0xa40 [11796.983755][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11796.983755][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11796.983755][ T7704] netlink_rcv_skb+0x130/0x360 [11796.983755][ T7704] netlink_unicast+0x449/0x710 [11796.983755][ T7704] netlink_sendmsg+0x723/0xbe0 [11796.983755][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11796.983755][ T7704] ___sys_sendmsg+0xee/0x170 [11796.983755][ T7704] __sys_sendmsg+0xcd/0x170 [11796.983755][ T7704] do_syscall_64+0xc6/0x1e0 [11796.983755][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11796.983755][ T7704] [11796.986098][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11796.986098][ T7704] netdev_get_by_index+0x5e/0x80 [11796.986098][ T7704] fib6_nh_init+0x3d8/0x15b0 [11796.986098][ T7704] ip6_route_info_create+0xf18/0x17d0 [11796.986098][ T7704] ip6_route_add+0x1c/0x140 [11796.986098][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11796.986098][ T7704] addrconf_add_dev+0xe2/0x170 [11796.986098][ T7704] inet6_addr_add+0x12f/0xa40 [11796.986098][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11796.986098][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11796.986098][ T7704] netlink_rcv_skb+0x130/0x360 [11796.986098][ T7704] netlink_unicast+0x449/0x710 [11796.986098][ T7704] netlink_sendmsg+0x723/0xbe0 [11796.986098][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11796.986098][ T7704] ___sys_sendmsg+0xee/0x170 [11796.986098][ T7704] __sys_sendmsg+0xcd/0x170 [11796.986098][ T7704] do_syscall_64+0xc6/0x1e0 [11796.986098][ T7704] [11796.988301][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11796.988301][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11796.988301][ T7704] ipv6_find_idev+0x102/0x170 [11796.988301][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11796.988301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11796.988301][ T7704] netlink_rcv_skb+0x130/0x360 [11796.988301][ T7704] netlink_unicast+0x449/0x710 [11796.988301][ T7704] netlink_sendmsg+0x723/0xbe0 [11796.988301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11796.988301][ T7704] ___sys_sendmsg+0xee/0x170 [11796.988301][ T7704] __sys_sendmsg+0xcd/0x170 [11796.988301][ T7704] do_syscall_64+0xc6/0x1e0 [11796.988301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11796.988301][ T7704] [11796.990126][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11796.990126][ T7704] neigh_parms_alloc+0x1e5/0x510 [11796.990126][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11796.990126][ T7704] ipv6_find_idev+0x102/0x170 [11796.990126][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11796.990126][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11796.990126][ T7704] netlink_rcv_skb+0x130/0x360 [11796.990126][ T7704] netlink_unicast+0x449/0x710 [11796.990126][ T7704] netlink_sendmsg+0x723/0xbe0 [11796.990126][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11796.990126][ T7704] ___sys_sendmsg+0xee/0x170 [11796.990126][ T7704] __sys_sendmsg+0xcd/0x170 [11796.990126][ T7704] do_syscall_64+0xc6/0x1e0 [11796.990126][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11796.990126][ T7704] [11807.100798][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11807.101347][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11807.101347][ T7704] netdev_get_by_index+0x5e/0x80 [11807.101347][ T7704] fib6_nh_init+0x3d8/0x15b0 [11807.101347][ T7704] ip6_route_info_create+0xf18/0x17d0 [11807.101347][ T7704] ip6_route_add+0x1c/0x140 [11807.101347][ T7704] addrconf_prefix_route+0x2a6/0x430 [11807.101347][ T7704] inet6_addr_add+0x4f8/0xa40 [11807.101347][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11807.101347][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11807.101347][ T7704] netlink_rcv_skb+0x130/0x360 [11807.101347][ T7704] netlink_unicast+0x449/0x710 [11807.101347][ T7704] netlink_sendmsg+0x723/0xbe0 [11807.101347][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11807.101347][ T7704] ___sys_sendmsg+0xee/0x170 [11807.101347][ T7704] __sys_sendmsg+0xcd/0x170 [11807.101347][ T7704] do_syscall_64+0xc6/0x1e0 [11807.101347][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11807.101347][ T7704] [11807.103821][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11807.103821][ T7704] netdev_get_by_index+0x5e/0x80 [11807.103821][ T7704] fib6_nh_init+0x3d8/0x15b0 [11807.103821][ T7704] ip6_route_info_create+0xf18/0x17d0 [11807.103821][ T7704] addrconf_f6i_alloc+0x315/0x560 [11807.103821][ T7704] ipv6_add_addr+0x411/0x2000 [11807.103821][ T7704] inet6_addr_add+0x30e/0xa40 [11807.103821][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11807.103821][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11807.103821][ T7704] netlink_rcv_skb+0x130/0x360 [11807.103821][ T7704] netlink_unicast+0x449/0x710 [11807.103821][ T7704] netlink_sendmsg+0x723/0xbe0 [11807.103821][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11807.103821][ T7704] ___sys_sendmsg+0xee/0x170 [11807.103821][ T7704] __sys_sendmsg+0xcd/0x170 [11807.103821][ T7704] do_syscall_64+0xc6/0x1e0 [11807.103821][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11807.103821][ T7704] [11807.106401][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11807.106401][ T7704] netdev_get_by_index+0x5e/0x80 [11807.106401][ T7704] fib6_nh_init+0x3d8/0x15b0 [11807.106401][ T7704] ip6_route_info_create+0xf18/0x17d0 [11807.106401][ T7704] ip6_route_add+0x1c/0x140 [11807.106401][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11807.106401][ T7704] addrconf_add_dev+0xe2/0x170 [11807.106401][ T7704] inet6_addr_add+0x12f/0xa40 [11807.106401][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11807.106401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11807.106401][ T7704] netlink_rcv_skb+0x130/0x360 [11807.106401][ T7704] netlink_unicast+0x449/0x710 [11807.106401][ T7704] netlink_sendmsg+0x723/0xbe0 [11807.106401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11807.106401][ T7704] ___sys_sendmsg+0xee/0x170 [11807.106401][ T7704] __sys_sendmsg+0xcd/0x170 [11807.106401][ T7704] do_syscall_64+0xc6/0x1e0 [11807.106401][ T7704] [11807.108801][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11807.108801][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11807.108801][ T7704] ipv6_find_idev+0x102/0x170 [11807.108801][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11807.108801][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11807.108801][ T7704] netlink_rcv_skb+0x130/0x360 [11807.108801][ T7704] netlink_unicast+0x449/0x710 [11807.108801][ T7704] netlink_sendmsg+0x723/0xbe0 [11807.108801][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11807.108801][ T7704] ___sys_sendmsg+0xee/0x170 [11807.108801][ T7704] __sys_sendmsg+0xcd/0x170 [11807.108801][ T7704] do_syscall_64+0xc6/0x1e0 [11807.108801][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11807.108801][ T7704] [11807.110713][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11807.110713][ T7704] neigh_parms_alloc+0x1e5/0x510 [11807.110713][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11807.110713][ T7704] ipv6_find_idev+0x102/0x170 [11807.110713][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11807.110713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11807.110713][ T7704] netlink_rcv_skb+0x130/0x360 [11807.110713][ T7704] netlink_unicast+0x449/0x710 [11807.110713][ T7704] netlink_sendmsg+0x723/0xbe0 [11807.110713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11807.110713][ T7704] ___sys_sendmsg+0xee/0x170 [11807.110713][ T7704] __sys_sendmsg+0xcd/0x170 [11807.110713][ T7704] do_syscall_64+0xc6/0x1e0 [11807.110713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11807.110713][ T7704] [11817.364913][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11817.365620][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11817.365620][ T7704] netdev_get_by_index+0x5e/0x80 [11817.365620][ T7704] fib6_nh_init+0x3d8/0x15b0 [11817.365620][ T7704] ip6_route_info_create+0xf18/0x17d0 [11817.365620][ T7704] ip6_route_add+0x1c/0x140 [11817.365620][ T7704] addrconf_prefix_route+0x2a6/0x430 [11817.365620][ T7704] inet6_addr_add+0x4f8/0xa40 [11817.365620][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11817.365620][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11817.365620][ T7704] netlink_rcv_skb+0x130/0x360 [11817.365620][ T7704] netlink_unicast+0x449/0x710 [11817.365620][ T7704] netlink_sendmsg+0x723/0xbe0 [11817.365620][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11817.365620][ T7704] ___sys_sendmsg+0xee/0x170 [11817.365620][ T7704] __sys_sendmsg+0xcd/0x170 [11817.365620][ T7704] do_syscall_64+0xc6/0x1e0 [11817.365620][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11817.365620][ T7704] [11817.369297][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11817.369297][ T7704] netdev_get_by_index+0x5e/0x80 [11817.369297][ T7704] fib6_nh_init+0x3d8/0x15b0 [11817.369297][ T7704] ip6_route_info_create+0xf18/0x17d0 [11817.369297][ T7704] addrconf_f6i_alloc+0x315/0x560 [11817.369297][ T7704] ipv6_add_addr+0x411/0x2000 [11817.369297][ T7704] inet6_addr_add+0x30e/0xa40 [11817.369297][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11817.369297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11817.369297][ T7704] netlink_rcv_skb+0x130/0x360 [11817.369297][ T7704] netlink_unicast+0x449/0x710 [11817.369297][ T7704] netlink_sendmsg+0x723/0xbe0 [11817.369297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11817.369297][ T7704] ___sys_sendmsg+0xee/0x170 [11817.369297][ T7704] __sys_sendmsg+0xcd/0x170 [11817.369297][ T7704] do_syscall_64+0xc6/0x1e0 [11817.369297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11817.369297][ T7704] [11817.372118][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11817.372118][ T7704] netdev_get_by_index+0x5e/0x80 [11817.372118][ T7704] fib6_nh_init+0x3d8/0x15b0 [11817.372118][ T7704] ip6_route_info_create+0xf18/0x17d0 [11817.372118][ T7704] ip6_route_add+0x1c/0x140 [11817.372118][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11817.372118][ T7704] addrconf_add_dev+0xe2/0x170 [11817.372118][ T7704] inet6_addr_add+0x12f/0xa40 [11817.372118][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11817.372118][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11817.372118][ T7704] netlink_rcv_skb+0x130/0x360 [11817.372118][ T7704] netlink_unicast+0x449/0x710 [11817.372118][ T7704] netlink_sendmsg+0x723/0xbe0 [11817.372118][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11817.372118][ T7704] ___sys_sendmsg+0xee/0x170 [11817.372118][ T7704] __sys_sendmsg+0xcd/0x170 [11817.372118][ T7704] do_syscall_64+0xc6/0x1e0 [11817.372118][ T7704] [11817.374817][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11817.374817][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11817.374817][ T7704] ipv6_find_idev+0x102/0x170 [11817.374817][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11817.374817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11817.374817][ T7704] netlink_rcv_skb+0x130/0x360 [11817.374817][ T7704] netlink_unicast+0x449/0x710 [11817.374817][ T7704] netlink_sendmsg+0x723/0xbe0 [11817.374817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11817.374817][ T7704] ___sys_sendmsg+0xee/0x170 [11817.374817][ T7704] __sys_sendmsg+0xcd/0x170 [11817.374817][ T7704] do_syscall_64+0xc6/0x1e0 [11817.374817][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11817.374817][ T7704] [11817.377611][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11817.377611][ T7704] neigh_parms_alloc+0x1e5/0x510 [11817.377611][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11817.377611][ T7704] ipv6_find_idev+0x102/0x170 [11817.377611][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11817.377611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11817.377611][ T7704] netlink_rcv_skb+0x130/0x360 [11817.377611][ T7704] netlink_unicast+0x449/0x710 [11817.377611][ T7704] netlink_sendmsg+0x723/0xbe0 [11817.377611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11817.377611][ T7704] ___sys_sendmsg+0xee/0x170 [11817.377611][ T7704] __sys_sendmsg+0xcd/0x170 [11817.377611][ T7704] do_syscall_64+0xc6/0x1e0 [11817.377611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11817.377611][ T7704] [11827.420868][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11827.421425][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11827.421425][ T7704] netdev_get_by_index+0x5e/0x80 [11827.421425][ T7704] fib6_nh_init+0x3d8/0x15b0 [11827.421425][ T7704] ip6_route_info_create+0xf18/0x17d0 [11827.421425][ T7704] ip6_route_add+0x1c/0x140 [11827.421425][ T7704] addrconf_prefix_route+0x2a6/0x430 [11827.421425][ T7704] inet6_addr_add+0x4f8/0xa40 [11827.421425][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11827.421425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11827.421425][ T7704] netlink_rcv_skb+0x130/0x360 [11827.421425][ T7704] netlink_unicast+0x449/0x710 [11827.421425][ T7704] netlink_sendmsg+0x723/0xbe0 [11827.421425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11827.421425][ T7704] ___sys_sendmsg+0xee/0x170 [11827.421425][ T7704] __sys_sendmsg+0xcd/0x170 [11827.421425][ T7704] do_syscall_64+0xc6/0x1e0 [11827.421425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11827.421425][ T7704] [11827.423698][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11827.423698][ T7704] netdev_get_by_index+0x5e/0x80 [11827.423698][ T7704] fib6_nh_init+0x3d8/0x15b0 [11827.423698][ T7704] ip6_route_info_create+0xf18/0x17d0 [11827.423698][ T7704] addrconf_f6i_alloc+0x315/0x560 [11827.423698][ T7704] ipv6_add_addr+0x411/0x2000 [11827.423698][ T7704] inet6_addr_add+0x30e/0xa40 [11827.423698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11827.423698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11827.423698][ T7704] netlink_rcv_skb+0x130/0x360 [11827.423698][ T7704] netlink_unicast+0x449/0x710 [11827.423698][ T7704] netlink_sendmsg+0x723/0xbe0 [11827.423698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11827.423698][ T7704] ___sys_sendmsg+0xee/0x170 [11827.423698][ T7704] __sys_sendmsg+0xcd/0x170 [11827.423698][ T7704] do_syscall_64+0xc6/0x1e0 [11827.423698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11827.423698][ T7704] [11827.425917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11827.425917][ T7704] netdev_get_by_index+0x5e/0x80 [11827.425917][ T7704] fib6_nh_init+0x3d8/0x15b0 [11827.425917][ T7704] ip6_route_info_create+0xf18/0x17d0 [11827.425917][ T7704] ip6_route_add+0x1c/0x140 [11827.425917][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11827.425917][ T7704] addrconf_add_dev+0xe2/0x170 [11827.425917][ T7704] inet6_addr_add+0x12f/0xa40 [11827.425917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11827.425917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11827.425917][ T7704] netlink_rcv_skb+0x130/0x360 [11827.425917][ T7704] netlink_unicast+0x449/0x710 [11827.425917][ T7704] netlink_sendmsg+0x723/0xbe0 [11827.425917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11827.425917][ T7704] ___sys_sendmsg+0xee/0x170 [11827.425917][ T7704] __sys_sendmsg+0xcd/0x170 [11827.425917][ T7704] do_syscall_64+0xc6/0x1e0 [11827.425917][ T7704] [11827.428116][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11827.428116][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11827.428116][ T7704] ipv6_find_idev+0x102/0x170 [11827.428116][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11827.428116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11827.428116][ T7704] netlink_rcv_skb+0x130/0x360 [11827.428116][ T7704] netlink_unicast+0x449/0x710 [11827.428116][ T7704] netlink_sendmsg+0x723/0xbe0 [11827.428116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11827.428116][ T7704] ___sys_sendmsg+0xee/0x170 [11827.428116][ T7704] __sys_sendmsg+0xcd/0x170 [11827.428116][ T7704] do_syscall_64+0xc6/0x1e0 [11827.428116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11827.428116][ T7704] [11827.429843][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11827.429843][ T7704] neigh_parms_alloc+0x1e5/0x510 [11827.429843][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11827.429843][ T7704] ipv6_find_idev+0x102/0x170 [11827.429843][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11827.429843][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11827.429843][ T7704] netlink_rcv_skb+0x130/0x360 [11827.429843][ T7704] netlink_unicast+0x449/0x710 [11827.429843][ T7704] netlink_sendmsg+0x723/0xbe0 [11827.429843][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11827.429843][ T7704] ___sys_sendmsg+0xee/0x170 [11827.429843][ T7704] __sys_sendmsg+0xcd/0x170 [11827.429843][ T7704] do_syscall_64+0xc6/0x1e0 [11827.429843][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11827.429843][ T7704] [11837.636821][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11837.637303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11837.637303][ T7704] netdev_get_by_index+0x5e/0x80 [11837.637303][ T7704] fib6_nh_init+0x3d8/0x15b0 [11837.637303][ T7704] ip6_route_info_create+0xf18/0x17d0 [11837.637303][ T7704] ip6_route_add+0x1c/0x140 [11837.637303][ T7704] addrconf_prefix_route+0x2a6/0x430 [11837.637303][ T7704] inet6_addr_add+0x4f8/0xa40 [11837.637303][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11837.637303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11837.637303][ T7704] netlink_rcv_skb+0x130/0x360 [11837.637303][ T7704] netlink_unicast+0x449/0x710 [11837.637303][ T7704] netlink_sendmsg+0x723/0xbe0 [11837.637303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11837.637303][ T7704] ___sys_sendmsg+0xee/0x170 [11837.637303][ T7704] __sys_sendmsg+0xcd/0x170 [11837.637303][ T7704] do_syscall_64+0xc6/0x1e0 [11837.637303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11837.637303][ T7704] [11837.639587][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11837.639587][ T7704] netdev_get_by_index+0x5e/0x80 [11837.639587][ T7704] fib6_nh_init+0x3d8/0x15b0 [11837.639587][ T7704] ip6_route_info_create+0xf18/0x17d0 [11837.639587][ T7704] addrconf_f6i_alloc+0x315/0x560 [11837.639587][ T7704] ipv6_add_addr+0x411/0x2000 [11837.639587][ T7704] inet6_addr_add+0x30e/0xa40 [11837.639587][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11837.639587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11837.639587][ T7704] netlink_rcv_skb+0x130/0x360 [11837.639587][ T7704] netlink_unicast+0x449/0x710 [11837.639587][ T7704] netlink_sendmsg+0x723/0xbe0 [11837.639587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11837.639587][ T7704] ___sys_sendmsg+0xee/0x170 [11837.639587][ T7704] __sys_sendmsg+0xcd/0x170 [11837.639587][ T7704] do_syscall_64+0xc6/0x1e0 [11837.639587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11837.639587][ T7704] [11837.641848][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11837.641848][ T7704] netdev_get_by_index+0x5e/0x80 [11837.641848][ T7704] fib6_nh_init+0x3d8/0x15b0 [11837.641848][ T7704] ip6_route_info_create+0xf18/0x17d0 [11837.641848][ T7704] ip6_route_add+0x1c/0x140 [11837.641848][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11837.641848][ T7704] addrconf_add_dev+0xe2/0x170 [11837.641848][ T7704] inet6_addr_add+0x12f/0xa40 [11837.641848][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11837.641848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11837.641848][ T7704] netlink_rcv_skb+0x130/0x360 [11837.641848][ T7704] netlink_unicast+0x449/0x710 [11837.641848][ T7704] netlink_sendmsg+0x723/0xbe0 [11837.641848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11837.641848][ T7704] ___sys_sendmsg+0xee/0x170 [11837.641848][ T7704] __sys_sendmsg+0xcd/0x170 [11837.641848][ T7704] do_syscall_64+0xc6/0x1e0 [11837.641848][ T7704] [11837.644046][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11837.644046][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11837.644046][ T7704] ipv6_find_idev+0x102/0x170 [11837.644046][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11837.644046][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11837.644046][ T7704] netlink_rcv_skb+0x130/0x360 [11837.644046][ T7704] netlink_unicast+0x449/0x710 [11837.644046][ T7704] netlink_sendmsg+0x723/0xbe0 [11837.644046][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11837.644046][ T7704] ___sys_sendmsg+0xee/0x170 [11837.644046][ T7704] __sys_sendmsg+0xcd/0x170 [11837.644046][ T7704] do_syscall_64+0xc6/0x1e0 [11837.644046][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11837.644046][ T7704] [11837.645764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11837.645764][ T7704] neigh_parms_alloc+0x1e5/0x510 [11837.645764][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11837.645764][ T7704] ipv6_find_idev+0x102/0x170 [11837.645764][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11837.645764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11837.645764][ T7704] netlink_rcv_skb+0x130/0x360 [11837.645764][ T7704] netlink_unicast+0x449/0x710 [11837.645764][ T7704] netlink_sendmsg+0x723/0xbe0 [11837.645764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11837.645764][ T7704] ___sys_sendmsg+0xee/0x170 [11837.645764][ T7704] __sys_sendmsg+0xcd/0x170 [11837.645764][ T7704] do_syscall_64+0xc6/0x1e0 [11837.645764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11837.645764][ T7704] [11847.884799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11847.885332][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11847.885332][ T7704] netdev_get_by_index+0x5e/0x80 [11847.885332][ T7704] fib6_nh_init+0x3d8/0x15b0 [11847.885332][ T7704] ip6_route_info_create+0xf18/0x17d0 [11847.885332][ T7704] ip6_route_add+0x1c/0x140 [11847.885332][ T7704] addrconf_prefix_route+0x2a6/0x430 [11847.885332][ T7704] inet6_addr_add+0x4f8/0xa40 [11847.885332][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11847.885332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11847.885332][ T7704] netlink_rcv_skb+0x130/0x360 [11847.885332][ T7704] netlink_unicast+0x449/0x710 [11847.885332][ T7704] netlink_sendmsg+0x723/0xbe0 [11847.885332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11847.885332][ T7704] ___sys_sendmsg+0xee/0x170 [11847.885332][ T7704] __sys_sendmsg+0xcd/0x170 [11847.885332][ T7704] do_syscall_64+0xc6/0x1e0 [11847.885332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11847.885332][ T7704] [11847.887861][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11847.887861][ T7704] netdev_get_by_index+0x5e/0x80 [11847.887861][ T7704] fib6_nh_init+0x3d8/0x15b0 [11847.887861][ T7704] ip6_route_info_create+0xf18/0x17d0 [11847.887861][ T7704] addrconf_f6i_alloc+0x315/0x560 [11847.887861][ T7704] ipv6_add_addr+0x411/0x2000 [11847.887861][ T7704] inet6_addr_add+0x30e/0xa40 [11847.887861][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11847.887861][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11847.887861][ T7704] netlink_rcv_skb+0x130/0x360 [11847.887861][ T7704] netlink_unicast+0x449/0x710 [11847.887861][ T7704] netlink_sendmsg+0x723/0xbe0 [11847.887861][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11847.887861][ T7704] ___sys_sendmsg+0xee/0x170 [11847.887861][ T7704] __sys_sendmsg+0xcd/0x170 [11847.887861][ T7704] do_syscall_64+0xc6/0x1e0 [11847.887861][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11847.887861][ T7704] [11847.890235][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11847.890235][ T7704] netdev_get_by_index+0x5e/0x80 [11847.890235][ T7704] fib6_nh_init+0x3d8/0x15b0 [11847.890235][ T7704] ip6_route_info_create+0xf18/0x17d0 [11847.890235][ T7704] ip6_route_add+0x1c/0x140 [11847.890235][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11847.890235][ T7704] addrconf_add_dev+0xe2/0x170 [11847.890235][ T7704] inet6_addr_add+0x12f/0xa40 [11847.890235][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11847.890235][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11847.890235][ T7704] netlink_rcv_skb+0x130/0x360 [11847.890235][ T7704] netlink_unicast+0x449/0x710 [11847.890235][ T7704] netlink_sendmsg+0x723/0xbe0 [11847.890235][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11847.890235][ T7704] ___sys_sendmsg+0xee/0x170 [11847.890235][ T7704] __sys_sendmsg+0xcd/0x170 [11847.890235][ T7704] do_syscall_64+0xc6/0x1e0 [11847.890235][ T7704] [11847.892602][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11847.892602][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11847.892602][ T7704] ipv6_find_idev+0x102/0x170 [11847.892602][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11847.892602][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11847.892602][ T7704] netlink_rcv_skb+0x130/0x360 [11847.892602][ T7704] netlink_unicast+0x449/0x710 [11847.892602][ T7704] netlink_sendmsg+0x723/0xbe0 [11847.892602][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11847.892602][ T7704] ___sys_sendmsg+0xee/0x170 [11847.892602][ T7704] __sys_sendmsg+0xcd/0x170 [11847.892602][ T7704] do_syscall_64+0xc6/0x1e0 [11847.892602][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11847.892602][ T7704] [11847.894512][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11847.894512][ T7704] neigh_parms_alloc+0x1e5/0x510 [11847.894512][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11847.894512][ T7704] ipv6_find_idev+0x102/0x170 [11847.894512][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11847.894512][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11847.894512][ T7704] netlink_rcv_skb+0x130/0x360 [11847.894512][ T7704] netlink_unicast+0x449/0x710 [11847.894512][ T7704] netlink_sendmsg+0x723/0xbe0 [11847.894512][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11847.894512][ T7704] ___sys_sendmsg+0xee/0x170 [11847.894512][ T7704] __sys_sendmsg+0xcd/0x170 [11847.894512][ T7704] do_syscall_64+0xc6/0x1e0 [11847.894512][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11847.894512][ T7704] [11858.124888][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11858.125453][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11858.125453][ T7704] netdev_get_by_index+0x5e/0x80 [11858.125453][ T7704] fib6_nh_init+0x3d8/0x15b0 [11858.125453][ T7704] ip6_route_info_create+0xf18/0x17d0 [11858.125453][ T7704] ip6_route_add+0x1c/0x140 [11858.125453][ T7704] addrconf_prefix_route+0x2a6/0x430 [11858.125453][ T7704] inet6_addr_add+0x4f8/0xa40 [11858.125453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11858.125453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11858.125453][ T7704] netlink_rcv_skb+0x130/0x360 [11858.125453][ T7704] netlink_unicast+0x449/0x710 [11858.125453][ T7704] netlink_sendmsg+0x723/0xbe0 [11858.125453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11858.125453][ T7704] ___sys_sendmsg+0xee/0x170 [11858.125453][ T7704] __sys_sendmsg+0xcd/0x170 [11858.125453][ T7704] do_syscall_64+0xc6/0x1e0 [11858.125453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11858.125453][ T7704] [11858.127697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11858.127697][ T7704] netdev_get_by_index+0x5e/0x80 [11858.127697][ T7704] fib6_nh_init+0x3d8/0x15b0 [11858.127697][ T7704] ip6_route_info_create+0xf18/0x17d0 [11858.127697][ T7704] addrconf_f6i_alloc+0x315/0x560 [11858.127697][ T7704] ipv6_add_addr+0x411/0x2000 [11858.127697][ T7704] inet6_addr_add+0x30e/0xa40 [11858.127697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11858.127697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11858.127697][ T7704] netlink_rcv_skb+0x130/0x360 [11858.127697][ T7704] netlink_unicast+0x449/0x710 [11858.127697][ T7704] netlink_sendmsg+0x723/0xbe0 [11858.127697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11858.127697][ T7704] ___sys_sendmsg+0xee/0x170 [11858.127697][ T7704] __sys_sendmsg+0xcd/0x170 [11858.127697][ T7704] do_syscall_64+0xc6/0x1e0 [11858.127697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11858.127697][ T7704] [11858.129935][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11858.129935][ T7704] netdev_get_by_index+0x5e/0x80 [11858.129935][ T7704] fib6_nh_init+0x3d8/0x15b0 [11858.129935][ T7704] ip6_route_info_create+0xf18/0x17d0 [11858.129935][ T7704] ip6_route_add+0x1c/0x140 [11858.129935][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11858.129935][ T7704] addrconf_add_dev+0xe2/0x170 [11858.129935][ T7704] inet6_addr_add+0x12f/0xa40 [11858.129935][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11858.129935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11858.129935][ T7704] netlink_rcv_skb+0x130/0x360 [11858.129935][ T7704] netlink_unicast+0x449/0x710 [11858.129935][ T7704] netlink_sendmsg+0x723/0xbe0 [11858.129935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11858.129935][ T7704] ___sys_sendmsg+0xee/0x170 [11858.129935][ T7704] __sys_sendmsg+0xcd/0x170 [11858.129935][ T7704] do_syscall_64+0xc6/0x1e0 [11858.129935][ T7704] [11858.132696][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11858.132696][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11858.132696][ T7704] ipv6_find_idev+0x102/0x170 [11858.132696][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11858.132696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11858.132696][ T7704] netlink_rcv_skb+0x130/0x360 [11858.132696][ T7704] netlink_unicast+0x449/0x710 [11858.132696][ T7704] netlink_sendmsg+0x723/0xbe0 [11858.132696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11858.132696][ T7704] ___sys_sendmsg+0xee/0x170 [11858.132696][ T7704] __sys_sendmsg+0xcd/0x170 [11858.132696][ T7704] do_syscall_64+0xc6/0x1e0 [11858.132696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11858.132696][ T7704] [11858.134395][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11858.134395][ T7704] neigh_parms_alloc+0x1e5/0x510 [11858.134395][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11858.134395][ T7704] ipv6_find_idev+0x102/0x170 [11858.134395][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11858.134395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11858.134395][ T7704] netlink_rcv_skb+0x130/0x360 [11858.134395][ T7704] netlink_unicast+0x449/0x710 [11858.134395][ T7704] netlink_sendmsg+0x723/0xbe0 [11858.134395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11858.134395][ T7704] ___sys_sendmsg+0xee/0x170 [11858.134395][ T7704] __sys_sendmsg+0xcd/0x170 [11858.134395][ T7704] do_syscall_64+0xc6/0x1e0 [11858.134395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11858.134395][ T7704] [11868.220838][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11868.221301][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11868.221301][ T7704] netdev_get_by_index+0x5e/0x80 [11868.221301][ T7704] fib6_nh_init+0x3d8/0x15b0 [11868.221301][ T7704] ip6_route_info_create+0xf18/0x17d0 [11868.221301][ T7704] ip6_route_add+0x1c/0x140 [11868.221301][ T7704] addrconf_prefix_route+0x2a6/0x430 [11868.221301][ T7704] inet6_addr_add+0x4f8/0xa40 [11868.221301][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11868.221301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11868.221301][ T7704] netlink_rcv_skb+0x130/0x360 [11868.221301][ T7704] netlink_unicast+0x449/0x710 [11868.221301][ T7704] netlink_sendmsg+0x723/0xbe0 [11868.221301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11868.221301][ T7704] ___sys_sendmsg+0xee/0x170 [11868.221301][ T7704] __sys_sendmsg+0xcd/0x170 [11868.221301][ T7704] do_syscall_64+0xc6/0x1e0 [11868.221301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11868.221301][ T7704] [11868.223540][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11868.223540][ T7704] netdev_get_by_index+0x5e/0x80 [11868.223540][ T7704] fib6_nh_init+0x3d8/0x15b0 [11868.223540][ T7704] ip6_route_info_create+0xf18/0x17d0 [11868.223540][ T7704] addrconf_f6i_alloc+0x315/0x560 [11868.223540][ T7704] ipv6_add_addr+0x411/0x2000 [11868.223540][ T7704] inet6_addr_add+0x30e/0xa40 [11868.223540][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11868.223540][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11868.223540][ T7704] netlink_rcv_skb+0x130/0x360 [11868.223540][ T7704] netlink_unicast+0x449/0x710 [11868.223540][ T7704] netlink_sendmsg+0x723/0xbe0 [11868.223540][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11868.223540][ T7704] ___sys_sendmsg+0xee/0x170 [11868.223540][ T7704] __sys_sendmsg+0xcd/0x170 [11868.223540][ T7704] do_syscall_64+0xc6/0x1e0 [11868.223540][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11868.223540][ T7704] [11868.225764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11868.225764][ T7704] netdev_get_by_index+0x5e/0x80 [11868.225764][ T7704] fib6_nh_init+0x3d8/0x15b0 [11868.225764][ T7704] ip6_route_info_create+0xf18/0x17d0 [11868.225764][ T7704] ip6_route_add+0x1c/0x140 [11868.225764][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11868.225764][ T7704] addrconf_add_dev+0xe2/0x170 [11868.225764][ T7704] inet6_addr_add+0x12f/0xa40 [11868.225764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11868.225764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11868.225764][ T7704] netlink_rcv_skb+0x130/0x360 [11868.225764][ T7704] netlink_unicast+0x449/0x710 [11868.225764][ T7704] netlink_sendmsg+0x723/0xbe0 [11868.225764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11868.225764][ T7704] ___sys_sendmsg+0xee/0x170 [11868.225764][ T7704] __sys_sendmsg+0xcd/0x170 [11868.225764][ T7704] do_syscall_64+0xc6/0x1e0 [11868.225764][ T7704] [11868.228049][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11868.228049][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11868.228049][ T7704] ipv6_find_idev+0x102/0x170 [11868.228049][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11868.228049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11868.228049][ T7704] netlink_rcv_skb+0x130/0x360 [11868.228049][ T7704] netlink_unicast+0x449/0x710 [11868.228049][ T7704] netlink_sendmsg+0x723/0xbe0 [11868.228049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11868.228049][ T7704] ___sys_sendmsg+0xee/0x170 [11868.228049][ T7704] __sys_sendmsg+0xcd/0x170 [11868.228049][ T7704] do_syscall_64+0xc6/0x1e0 [11868.228049][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11868.228049][ T7704] [11868.229760][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11868.229760][ T7704] neigh_parms_alloc+0x1e5/0x510 [11868.229760][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11868.229760][ T7704] ipv6_find_idev+0x102/0x170 [11868.229760][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11868.229760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11868.229760][ T7704] netlink_rcv_skb+0x130/0x360 [11868.229760][ T7704] netlink_unicast+0x449/0x710 [11868.229760][ T7704] netlink_sendmsg+0x723/0xbe0 [11868.229760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11868.229760][ T7704] ___sys_sendmsg+0xee/0x170 [11868.229760][ T7704] __sys_sendmsg+0xcd/0x170 [11868.229760][ T7704] do_syscall_64+0xc6/0x1e0 [11868.229760][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11868.229760][ T7704] [11878.396807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11878.397273][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11878.397273][ T7704] netdev_get_by_index+0x5e/0x80 [11878.397273][ T7704] fib6_nh_init+0x3d8/0x15b0 [11878.397273][ T7704] ip6_route_info_create+0xf18/0x17d0 [11878.397273][ T7704] ip6_route_add+0x1c/0x140 [11878.397273][ T7704] addrconf_prefix_route+0x2a6/0x430 [11878.397273][ T7704] inet6_addr_add+0x4f8/0xa40 [11878.397273][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11878.397273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11878.397273][ T7704] netlink_rcv_skb+0x130/0x360 [11878.397273][ T7704] netlink_unicast+0x449/0x710 [11878.397273][ T7704] netlink_sendmsg+0x723/0xbe0 [11878.397273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11878.397273][ T7704] ___sys_sendmsg+0xee/0x170 [11878.397273][ T7704] __sys_sendmsg+0xcd/0x170 [11878.397273][ T7704] do_syscall_64+0xc6/0x1e0 [11878.397273][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11878.397273][ T7704] [11878.399556][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11878.399556][ T7704] netdev_get_by_index+0x5e/0x80 [11878.399556][ T7704] fib6_nh_init+0x3d8/0x15b0 [11878.399556][ T7704] ip6_route_info_create+0xf18/0x17d0 [11878.399556][ T7704] addrconf_f6i_alloc+0x315/0x560 [11878.399556][ T7704] ipv6_add_addr+0x411/0x2000 [11878.399556][ T7704] inet6_addr_add+0x30e/0xa40 [11878.399556][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11878.399556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11878.399556][ T7704] netlink_rcv_skb+0x130/0x360 [11878.399556][ T7704] netlink_unicast+0x449/0x710 [11878.399556][ T7704] netlink_sendmsg+0x723/0xbe0 [11878.399556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11878.399556][ T7704] ___sys_sendmsg+0xee/0x170 [11878.399556][ T7704] __sys_sendmsg+0xcd/0x170 [11878.399556][ T7704] do_syscall_64+0xc6/0x1e0 [11878.399556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11878.399556][ T7704] [11878.401802][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11878.401802][ T7704] netdev_get_by_index+0x5e/0x80 [11878.401802][ T7704] fib6_nh_init+0x3d8/0x15b0 [11878.401802][ T7704] ip6_route_info_create+0xf18/0x17d0 [11878.401802][ T7704] ip6_route_add+0x1c/0x140 [11878.401802][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11878.401802][ T7704] addrconf_add_dev+0xe2/0x170 [11878.401802][ T7704] inet6_addr_add+0x12f/0xa40 [11878.401802][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11878.401802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11878.401802][ T7704] netlink_rcv_skb+0x130/0x360 [11878.401802][ T7704] netlink_unicast+0x449/0x710 [11878.401802][ T7704] netlink_sendmsg+0x723/0xbe0 [11878.401802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11878.401802][ T7704] ___sys_sendmsg+0xee/0x170 [11878.401802][ T7704] __sys_sendmsg+0xcd/0x170 [11878.401802][ T7704] do_syscall_64+0xc6/0x1e0 [11878.401802][ T7704] [11878.404054][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11878.404054][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11878.404054][ T7704] ipv6_find_idev+0x102/0x170 [11878.404054][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11878.404054][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11878.404054][ T7704] netlink_rcv_skb+0x130/0x360 [11878.404054][ T7704] netlink_unicast+0x449/0x710 [11878.404054][ T7704] netlink_sendmsg+0x723/0xbe0 [11878.404054][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11878.404054][ T7704] ___sys_sendmsg+0xee/0x170 [11878.404054][ T7704] __sys_sendmsg+0xcd/0x170 [11878.404054][ T7704] do_syscall_64+0xc6/0x1e0 [11878.404054][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11878.404054][ T7704] [11878.405795][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11878.405795][ T7704] neigh_parms_alloc+0x1e5/0x510 [11878.405795][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11878.405795][ T7704] ipv6_find_idev+0x102/0x170 [11878.405795][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11878.405795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11878.405795][ T7704] netlink_rcv_skb+0x130/0x360 [11878.405795][ T7704] netlink_unicast+0x449/0x710 [11878.405795][ T7704] netlink_sendmsg+0x723/0xbe0 [11878.405795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11878.405795][ T7704] ___sys_sendmsg+0xee/0x170 [11878.405795][ T7704] __sys_sendmsg+0xcd/0x170 [11878.405795][ T7704] do_syscall_64+0xc6/0x1e0 [11878.405795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11878.405795][ T7704] [11888.588797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11888.589251][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11888.589251][ T7704] netdev_get_by_index+0x5e/0x80 [11888.589251][ T7704] fib6_nh_init+0x3d8/0x15b0 [11888.589251][ T7704] ip6_route_info_create+0xf18/0x17d0 [11888.589251][ T7704] ip6_route_add+0x1c/0x140 [11888.589251][ T7704] addrconf_prefix_route+0x2a6/0x430 [11888.589251][ T7704] inet6_addr_add+0x4f8/0xa40 [11888.589251][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11888.589251][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11888.589251][ T7704] netlink_rcv_skb+0x130/0x360 [11888.589251][ T7704] netlink_unicast+0x449/0x710 [11888.589251][ T7704] netlink_sendmsg+0x723/0xbe0 [11888.589251][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11888.589251][ T7704] ___sys_sendmsg+0xee/0x170 [11888.589251][ T7704] __sys_sendmsg+0xcd/0x170 [11888.589251][ T7704] do_syscall_64+0xc6/0x1e0 [11888.589251][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11888.589251][ T7704] [11888.591502][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11888.591502][ T7704] netdev_get_by_index+0x5e/0x80 [11888.591502][ T7704] fib6_nh_init+0x3d8/0x15b0 [11888.591502][ T7704] ip6_route_info_create+0xf18/0x17d0 [11888.591502][ T7704] addrconf_f6i_alloc+0x315/0x560 [11888.591502][ T7704] ipv6_add_addr+0x411/0x2000 [11888.591502][ T7704] inet6_addr_add+0x30e/0xa40 [11888.591502][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11888.591502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11888.591502][ T7704] netlink_rcv_skb+0x130/0x360 [11888.591502][ T7704] netlink_unicast+0x449/0x710 [11888.591502][ T7704] netlink_sendmsg+0x723/0xbe0 [11888.591502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11888.591502][ T7704] ___sys_sendmsg+0xee/0x170 [11888.591502][ T7704] __sys_sendmsg+0xcd/0x170 [11888.591502][ T7704] do_syscall_64+0xc6/0x1e0 [11888.591502][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11888.591502][ T7704] [11888.593725][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11888.593725][ T7704] netdev_get_by_index+0x5e/0x80 [11888.593725][ T7704] fib6_nh_init+0x3d8/0x15b0 [11888.593725][ T7704] ip6_route_info_create+0xf18/0x17d0 [11888.593725][ T7704] ip6_route_add+0x1c/0x140 [11888.593725][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11888.593725][ T7704] addrconf_add_dev+0xe2/0x170 [11888.593725][ T7704] inet6_addr_add+0x12f/0xa40 [11888.593725][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11888.593725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11888.593725][ T7704] netlink_rcv_skb+0x130/0x360 [11888.593725][ T7704] netlink_unicast+0x449/0x710 [11888.593725][ T7704] netlink_sendmsg+0x723/0xbe0 [11888.593725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11888.593725][ T7704] ___sys_sendmsg+0xee/0x170 [11888.593725][ T7704] __sys_sendmsg+0xcd/0x170 [11888.593725][ T7704] do_syscall_64+0xc6/0x1e0 [11888.593725][ T7704] [11888.595908][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11888.595908][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11888.595908][ T7704] ipv6_find_idev+0x102/0x170 [11888.595908][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11888.595908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11888.595908][ T7704] netlink_rcv_skb+0x130/0x360 [11888.595908][ T7704] netlink_unicast+0x449/0x710 [11888.595908][ T7704] netlink_sendmsg+0x723/0xbe0 [11888.595908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11888.595908][ T7704] ___sys_sendmsg+0xee/0x170 [11888.595908][ T7704] __sys_sendmsg+0xcd/0x170 [11888.595908][ T7704] do_syscall_64+0xc6/0x1e0 [11888.595908][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11888.595908][ T7704] [11888.597633][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11888.597633][ T7704] neigh_parms_alloc+0x1e5/0x510 [11888.597633][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11888.597633][ T7704] ipv6_find_idev+0x102/0x170 [11888.597633][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11888.597633][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11888.597633][ T7704] netlink_rcv_skb+0x130/0x360 [11888.597633][ T7704] netlink_unicast+0x449/0x710 [11888.597633][ T7704] netlink_sendmsg+0x723/0xbe0 [11888.597633][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11888.597633][ T7704] ___sys_sendmsg+0xee/0x170 [11888.597633][ T7704] __sys_sendmsg+0xcd/0x170 [11888.597633][ T7704] do_syscall_64+0xc6/0x1e0 [11888.597633][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11888.597633][ T7704] [11898.844740][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11898.845277][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11898.845277][ T7704] netdev_get_by_index+0x5e/0x80 [11898.845277][ T7704] fib6_nh_init+0x3d8/0x15b0 [11898.845277][ T7704] ip6_route_info_create+0xf18/0x17d0 [11898.845277][ T7704] ip6_route_add+0x1c/0x140 [11898.845277][ T7704] addrconf_prefix_route+0x2a6/0x430 [11898.845277][ T7704] inet6_addr_add+0x4f8/0xa40 [11898.845277][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11898.845277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11898.845277][ T7704] netlink_rcv_skb+0x130/0x360 [11898.845277][ T7704] netlink_unicast+0x449/0x710 [11898.845277][ T7704] netlink_sendmsg+0x723/0xbe0 [11898.845277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11898.845277][ T7704] ___sys_sendmsg+0xee/0x170 [11898.845277][ T7704] __sys_sendmsg+0xcd/0x170 [11898.845277][ T7704] do_syscall_64+0xc6/0x1e0 [11898.845277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11898.845277][ T7704] [11898.847654][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11898.847654][ T7704] netdev_get_by_index+0x5e/0x80 [11898.847654][ T7704] fib6_nh_init+0x3d8/0x15b0 [11898.847654][ T7704] ip6_route_info_create+0xf18/0x17d0 [11898.847654][ T7704] addrconf_f6i_alloc+0x315/0x560 [11898.847654][ T7704] ipv6_add_addr+0x411/0x2000 [11898.847654][ T7704] inet6_addr_add+0x30e/0xa40 [11898.847654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11898.847654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11898.847654][ T7704] netlink_rcv_skb+0x130/0x360 [11898.847654][ T7704] netlink_unicast+0x449/0x710 [11898.847654][ T7704] netlink_sendmsg+0x723/0xbe0 [11898.847654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11898.847654][ T7704] ___sys_sendmsg+0xee/0x170 [11898.847654][ T7704] __sys_sendmsg+0xcd/0x170 [11898.847654][ T7704] do_syscall_64+0xc6/0x1e0 [11898.847654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11898.847654][ T7704] [11898.849972][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11898.849972][ T7704] netdev_get_by_index+0x5e/0x80 [11898.849972][ T7704] fib6_nh_init+0x3d8/0x15b0 [11898.849972][ T7704] ip6_route_info_create+0xf18/0x17d0 [11898.849972][ T7704] ip6_route_add+0x1c/0x140 [11898.849972][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11898.849972][ T7704] addrconf_add_dev+0xe2/0x170 [11898.849972][ T7704] inet6_addr_add+0x12f/0xa40 [11898.849972][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11898.849972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11898.849972][ T7704] netlink_rcv_skb+0x130/0x360 [11898.849972][ T7704] netlink_unicast+0x449/0x710 [11898.849972][ T7704] netlink_sendmsg+0x723/0xbe0 [11898.849972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11898.849972][ T7704] ___sys_sendmsg+0xee/0x170 [11898.849972][ T7704] __sys_sendmsg+0xcd/0x170 [11898.849972][ T7704] do_syscall_64+0xc6/0x1e0 [11898.849972][ T7704] [11898.852252][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11898.852252][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11898.852252][ T7704] ipv6_find_idev+0x102/0x170 [11898.852252][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11898.852252][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11898.852252][ T7704] netlink_rcv_skb+0x130/0x360 [11898.852252][ T7704] netlink_unicast+0x449/0x710 [11898.852252][ T7704] netlink_sendmsg+0x723/0xbe0 [11898.852252][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11898.852252][ T7704] ___sys_sendmsg+0xee/0x170 [11898.852252][ T7704] __sys_sendmsg+0xcd/0x170 [11898.852252][ T7704] do_syscall_64+0xc6/0x1e0 [11898.852252][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11898.852252][ T7704] [11898.853988][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11898.853988][ T7704] neigh_parms_alloc+0x1e5/0x510 [11898.853988][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11898.853988][ T7704] ipv6_find_idev+0x102/0x170 [11898.853988][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11898.853988][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11898.853988][ T7704] netlink_rcv_skb+0x130/0x360 [11898.853988][ T7704] netlink_unicast+0x449/0x710 [11898.853988][ T7704] netlink_sendmsg+0x723/0xbe0 [11898.853988][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11898.853988][ T7704] ___sys_sendmsg+0xee/0x170 [11898.853988][ T7704] __sys_sendmsg+0xcd/0x170 [11898.853988][ T7704] do_syscall_64+0xc6/0x1e0 [11898.853988][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11898.853988][ T7704] [11908.892788][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11908.893411][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11908.893411][ T7704] netdev_get_by_index+0x5e/0x80 [11908.893411][ T7704] fib6_nh_init+0x3d8/0x15b0 [11908.893411][ T7704] ip6_route_info_create+0xf18/0x17d0 [11908.893411][ T7704] ip6_route_add+0x1c/0x140 [11908.893411][ T7704] addrconf_prefix_route+0x2a6/0x430 [11908.893411][ T7704] inet6_addr_add+0x4f8/0xa40 [11908.893411][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11908.893411][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11908.893411][ T7704] netlink_rcv_skb+0x130/0x360 [11908.893411][ T7704] netlink_unicast+0x449/0x710 [11908.893411][ T7704] netlink_sendmsg+0x723/0xbe0 [11908.893411][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11908.893411][ T7704] ___sys_sendmsg+0xee/0x170 [11908.893411][ T7704] __sys_sendmsg+0xcd/0x170 [11908.893411][ T7704] do_syscall_64+0xc6/0x1e0 [11908.893411][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11908.893411][ T7704] [11908.896659][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11908.896659][ T7704] netdev_get_by_index+0x5e/0x80 [11908.896659][ T7704] fib6_nh_init+0x3d8/0x15b0 [11908.896659][ T7704] ip6_route_info_create+0xf18/0x17d0 [11908.896659][ T7704] addrconf_f6i_alloc+0x315/0x560 [11908.896659][ T7704] ipv6_add_addr+0x411/0x2000 [11908.896659][ T7704] inet6_addr_add+0x30e/0xa40 [11908.896659][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11908.896659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11908.896659][ T7704] netlink_rcv_skb+0x130/0x360 [11908.896659][ T7704] netlink_unicast+0x449/0x710 [11908.896659][ T7704] netlink_sendmsg+0x723/0xbe0 [11908.896659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11908.896659][ T7704] ___sys_sendmsg+0xee/0x170 [11908.896659][ T7704] __sys_sendmsg+0xcd/0x170 [11908.896659][ T7704] do_syscall_64+0xc6/0x1e0 [11908.896659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11908.896659][ T7704] [11908.899784][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11908.899784][ T7704] netdev_get_by_index+0x5e/0x80 [11908.899784][ T7704] fib6_nh_init+0x3d8/0x15b0 [11908.899784][ T7704] ip6_route_info_create+0xf18/0x17d0 [11908.899784][ T7704] ip6_route_add+0x1c/0x140 [11908.899784][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11908.899784][ T7704] addrconf_add_dev+0xe2/0x170 [11908.899784][ T7704] inet6_addr_add+0x12f/0xa40 [11908.899784][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11908.899784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11908.899784][ T7704] netlink_rcv_skb+0x130/0x360 [11908.899784][ T7704] netlink_unicast+0x449/0x710 [11908.899784][ T7704] netlink_sendmsg+0x723/0xbe0 [11908.899784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11908.899784][ T7704] ___sys_sendmsg+0xee/0x170 [11908.899784][ T7704] __sys_sendmsg+0xcd/0x170 [11908.899784][ T7704] do_syscall_64+0xc6/0x1e0 [11908.899784][ T7704] [11908.902592][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11908.902592][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11908.902592][ T7704] ipv6_find_idev+0x102/0x170 [11908.902592][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11908.902592][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11908.902592][ T7704] netlink_rcv_skb+0x130/0x360 [11908.902592][ T7704] netlink_unicast+0x449/0x710 [11908.902592][ T7704] netlink_sendmsg+0x723/0xbe0 [11908.902592][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11908.902592][ T7704] ___sys_sendmsg+0xee/0x170 [11908.902592][ T7704] __sys_sendmsg+0xcd/0x170 [11908.902592][ T7704] do_syscall_64+0xc6/0x1e0 [11908.902592][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11908.902592][ T7704] [11908.904983][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11908.904983][ T7704] neigh_parms_alloc+0x1e5/0x510 [11908.904983][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11908.904983][ T7704] ipv6_find_idev+0x102/0x170 [11908.904983][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11908.904983][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11908.904983][ T7704] netlink_rcv_skb+0x130/0x360 [11908.904983][ T7704] netlink_unicast+0x449/0x710 [11908.904983][ T7704] netlink_sendmsg+0x723/0xbe0 [11908.904983][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11908.904983][ T7704] ___sys_sendmsg+0xee/0x170 [11908.904983][ T7704] __sys_sendmsg+0xcd/0x170 [11908.904983][ T7704] do_syscall_64+0xc6/0x1e0 [11908.904983][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11908.904983][ T7704] [11919.333742][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11919.334277][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11919.334277][ T7704] netdev_get_by_index+0x5e/0x80 [11919.334277][ T7704] fib6_nh_init+0x3d8/0x15b0 [11919.334277][ T7704] ip6_route_info_create+0xf18/0x17d0 [11919.334277][ T7704] ip6_route_add+0x1c/0x140 [11919.334277][ T7704] addrconf_prefix_route+0x2a6/0x430 [11919.334277][ T7704] inet6_addr_add+0x4f8/0xa40 [11919.334277][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11919.334277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11919.334277][ T7704] netlink_rcv_skb+0x130/0x360 [11919.334277][ T7704] netlink_unicast+0x449/0x710 [11919.334277][ T7704] netlink_sendmsg+0x723/0xbe0 [11919.334277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11919.334277][ T7704] ___sys_sendmsg+0xee/0x170 [11919.334277][ T7704] __sys_sendmsg+0xcd/0x170 [11919.334277][ T7704] do_syscall_64+0xc6/0x1e0 [11919.334277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11919.334277][ T7704] [11919.336524][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11919.336524][ T7704] netdev_get_by_index+0x5e/0x80 [11919.336524][ T7704] fib6_nh_init+0x3d8/0x15b0 [11919.336524][ T7704] ip6_route_info_create+0xf18/0x17d0 [11919.336524][ T7704] addrconf_f6i_alloc+0x315/0x560 [11919.336524][ T7704] ipv6_add_addr+0x411/0x2000 [11919.336524][ T7704] inet6_addr_add+0x30e/0xa40 [11919.336524][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11919.336524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11919.336524][ T7704] netlink_rcv_skb+0x130/0x360 [11919.336524][ T7704] netlink_unicast+0x449/0x710 [11919.336524][ T7704] netlink_sendmsg+0x723/0xbe0 [11919.336524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11919.336524][ T7704] ___sys_sendmsg+0xee/0x170 [11919.336524][ T7704] __sys_sendmsg+0xcd/0x170 [11919.336524][ T7704] do_syscall_64+0xc6/0x1e0 [11919.336524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11919.336524][ T7704] [11919.338735][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11919.338735][ T7704] netdev_get_by_index+0x5e/0x80 [11919.338735][ T7704] fib6_nh_init+0x3d8/0x15b0 [11919.338735][ T7704] ip6_route_info_create+0xf18/0x17d0 [11919.338735][ T7704] ip6_route_add+0x1c/0x140 [11919.338735][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11919.338735][ T7704] addrconf_add_dev+0xe2/0x170 [11919.338735][ T7704] inet6_addr_add+0x12f/0xa40 [11919.338735][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11919.338735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11919.338735][ T7704] netlink_rcv_skb+0x130/0x360 [11919.338735][ T7704] netlink_unicast+0x449/0x710 [11919.338735][ T7704] netlink_sendmsg+0x723/0xbe0 [11919.338735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11919.338735][ T7704] ___sys_sendmsg+0xee/0x170 [11919.338735][ T7704] __sys_sendmsg+0xcd/0x170 [11919.338735][ T7704] do_syscall_64+0xc6/0x1e0 [11919.338735][ T7704] [11919.340921][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11919.340921][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11919.340921][ T7704] ipv6_find_idev+0x102/0x170 [11919.340921][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11919.340921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11919.340921][ T7704] netlink_rcv_skb+0x130/0x360 [11919.340921][ T7704] netlink_unicast+0x449/0x710 [11919.340921][ T7704] netlink_sendmsg+0x723/0xbe0 [11919.340921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11919.340921][ T7704] ___sys_sendmsg+0xee/0x170 [11919.340921][ T7704] __sys_sendmsg+0xcd/0x170 [11919.340921][ T7704] do_syscall_64+0xc6/0x1e0 [11919.340921][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11919.340921][ T7704] [11919.342640][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11919.342640][ T7704] neigh_parms_alloc+0x1e5/0x510 [11919.342640][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11919.342640][ T7704] ipv6_find_idev+0x102/0x170 [11919.342640][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11919.342640][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11919.342640][ T7704] netlink_rcv_skb+0x130/0x360 [11919.342640][ T7704] netlink_unicast+0x449/0x710 [11919.342640][ T7704] netlink_sendmsg+0x723/0xbe0 [11919.342640][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11919.342640][ T7704] ___sys_sendmsg+0xee/0x170 [11919.342640][ T7704] __sys_sendmsg+0xcd/0x170 [11919.342640][ T7704] do_syscall_64+0xc6/0x1e0 [11919.342640][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11919.342640][ T7704] [11929.356826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11929.357358][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11929.357358][ T7704] netdev_get_by_index+0x5e/0x80 [11929.357358][ T7704] fib6_nh_init+0x3d8/0x15b0 [11929.357358][ T7704] ip6_route_info_create+0xf18/0x17d0 [11929.357358][ T7704] ip6_route_add+0x1c/0x140 [11929.357358][ T7704] addrconf_prefix_route+0x2a6/0x430 [11929.357358][ T7704] inet6_addr_add+0x4f8/0xa40 [11929.357358][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11929.357358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11929.357358][ T7704] netlink_rcv_skb+0x130/0x360 [11929.357358][ T7704] netlink_unicast+0x449/0x710 [11929.357358][ T7704] netlink_sendmsg+0x723/0xbe0 [11929.357358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11929.357358][ T7704] ___sys_sendmsg+0xee/0x170 [11929.357358][ T7704] __sys_sendmsg+0xcd/0x170 [11929.357358][ T7704] do_syscall_64+0xc6/0x1e0 [11929.357358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11929.357358][ T7704] [11929.359593][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11929.359593][ T7704] netdev_get_by_index+0x5e/0x80 [11929.359593][ T7704] fib6_nh_init+0x3d8/0x15b0 [11929.359593][ T7704] ip6_route_info_create+0xf18/0x17d0 [11929.359593][ T7704] addrconf_f6i_alloc+0x315/0x560 [11929.359593][ T7704] ipv6_add_addr+0x411/0x2000 [11929.359593][ T7704] inet6_addr_add+0x30e/0xa40 [11929.359593][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11929.359593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11929.359593][ T7704] netlink_rcv_skb+0x130/0x360 [11929.359593][ T7704] netlink_unicast+0x449/0x710 [11929.359593][ T7704] netlink_sendmsg+0x723/0xbe0 [11929.359593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11929.359593][ T7704] ___sys_sendmsg+0xee/0x170 [11929.359593][ T7704] __sys_sendmsg+0xcd/0x170 [11929.359593][ T7704] do_syscall_64+0xc6/0x1e0 [11929.359593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11929.359593][ T7704] [11929.361834][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11929.361834][ T7704] netdev_get_by_index+0x5e/0x80 [11929.361834][ T7704] fib6_nh_init+0x3d8/0x15b0 [11929.361834][ T7704] ip6_route_info_create+0xf18/0x17d0 [11929.361834][ T7704] ip6_route_add+0x1c/0x140 [11929.361834][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11929.361834][ T7704] addrconf_add_dev+0xe2/0x170 [11929.361834][ T7704] inet6_addr_add+0x12f/0xa40 [11929.361834][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11929.361834][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11929.361834][ T7704] netlink_rcv_skb+0x130/0x360 [11929.361834][ T7704] netlink_unicast+0x449/0x710 [11929.361834][ T7704] netlink_sendmsg+0x723/0xbe0 [11929.361834][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11929.361834][ T7704] ___sys_sendmsg+0xee/0x170 [11929.361834][ T7704] __sys_sendmsg+0xcd/0x170 [11929.361834][ T7704] do_syscall_64+0xc6/0x1e0 [11929.361834][ T7704] [11929.364011][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11929.364011][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11929.364011][ T7704] ipv6_find_idev+0x102/0x170 [11929.364011][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11929.364011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11929.364011][ T7704] netlink_rcv_skb+0x130/0x360 [11929.364011][ T7704] netlink_unicast+0x449/0x710 [11929.364011][ T7704] netlink_sendmsg+0x723/0xbe0 [11929.364011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11929.364011][ T7704] ___sys_sendmsg+0xee/0x170 [11929.364011][ T7704] __sys_sendmsg+0xcd/0x170 [11929.364011][ T7704] do_syscall_64+0xc6/0x1e0 [11929.364011][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11929.364011][ T7704] [11929.365737][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11929.365737][ T7704] neigh_parms_alloc+0x1e5/0x510 [11929.365737][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11929.365737][ T7704] ipv6_find_idev+0x102/0x170 [11929.365737][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11929.365737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11929.365737][ T7704] netlink_rcv_skb+0x130/0x360 [11929.365737][ T7704] netlink_unicast+0x449/0x710 [11929.365737][ T7704] netlink_sendmsg+0x723/0xbe0 [11929.365737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11929.365737][ T7704] ___sys_sendmsg+0xee/0x170 [11929.365737][ T7704] __sys_sendmsg+0xcd/0x170 [11929.365737][ T7704] do_syscall_64+0xc6/0x1e0 [11929.365737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11929.365737][ T7704] [11939.396823][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11939.397359][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11939.397359][ T7704] netdev_get_by_index+0x5e/0x80 [11939.397359][ T7704] fib6_nh_init+0x3d8/0x15b0 [11939.397359][ T7704] ip6_route_info_create+0xf18/0x17d0 [11939.397359][ T7704] ip6_route_add+0x1c/0x140 [11939.397359][ T7704] addrconf_prefix_route+0x2a6/0x430 [11939.397359][ T7704] inet6_addr_add+0x4f8/0xa40 [11939.397359][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11939.397359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11939.397359][ T7704] netlink_rcv_skb+0x130/0x360 [11939.397359][ T7704] netlink_unicast+0x449/0x710 [11939.397359][ T7704] netlink_sendmsg+0x723/0xbe0 [11939.397359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11939.397359][ T7704] ___sys_sendmsg+0xee/0x170 [11939.397359][ T7704] __sys_sendmsg+0xcd/0x170 [11939.397359][ T7704] do_syscall_64+0xc6/0x1e0 [11939.397359][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11939.397359][ T7704] [11939.399597][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11939.399597][ T7704] netdev_get_by_index+0x5e/0x80 [11939.399597][ T7704] fib6_nh_init+0x3d8/0x15b0 [11939.399597][ T7704] ip6_route_info_create+0xf18/0x17d0 [11939.399597][ T7704] addrconf_f6i_alloc+0x315/0x560 [11939.399597][ T7704] ipv6_add_addr+0x411/0x2000 [11939.399597][ T7704] inet6_addr_add+0x30e/0xa40 [11939.399597][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11939.399597][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11939.399597][ T7704] netlink_rcv_skb+0x130/0x360 [11939.399597][ T7704] netlink_unicast+0x449/0x710 [11939.399597][ T7704] netlink_sendmsg+0x723/0xbe0 [11939.399597][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11939.399597][ T7704] ___sys_sendmsg+0xee/0x170 [11939.399597][ T7704] __sys_sendmsg+0xcd/0x170 [11939.399597][ T7704] do_syscall_64+0xc6/0x1e0 [11939.399597][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11939.399597][ T7704] [11939.401817][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11939.401817][ T7704] netdev_get_by_index+0x5e/0x80 [11939.401817][ T7704] fib6_nh_init+0x3d8/0x15b0 [11939.401817][ T7704] ip6_route_info_create+0xf18/0x17d0 [11939.401817][ T7704] ip6_route_add+0x1c/0x140 [11939.401817][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11939.401817][ T7704] addrconf_add_dev+0xe2/0x170 [11939.401817][ T7704] inet6_addr_add+0x12f/0xa40 [11939.401817][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11939.401817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11939.401817][ T7704] netlink_rcv_skb+0x130/0x360 [11939.401817][ T7704] netlink_unicast+0x449/0x710 [11939.401817][ T7704] netlink_sendmsg+0x723/0xbe0 [11939.401817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11939.401817][ T7704] ___sys_sendmsg+0xee/0x170 [11939.401817][ T7704] __sys_sendmsg+0xcd/0x170 [11939.401817][ T7704] do_syscall_64+0xc6/0x1e0 [11939.401817][ T7704] [11939.403999][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11939.403999][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11939.403999][ T7704] ipv6_find_idev+0x102/0x170 [11939.403999][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11939.403999][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11939.403999][ T7704] netlink_rcv_skb+0x130/0x360 [11939.403999][ T7704] netlink_unicast+0x449/0x710 [11939.403999][ T7704] netlink_sendmsg+0x723/0xbe0 [11939.403999][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11939.403999][ T7704] ___sys_sendmsg+0xee/0x170 [11939.403999][ T7704] __sys_sendmsg+0xcd/0x170 [11939.403999][ T7704] do_syscall_64+0xc6/0x1e0 [11939.403999][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11939.403999][ T7704] [11939.405721][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11939.405721][ T7704] neigh_parms_alloc+0x1e5/0x510 [11939.405721][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11939.405721][ T7704] ipv6_find_idev+0x102/0x170 [11939.405721][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11939.405721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11939.405721][ T7704] netlink_rcv_skb+0x130/0x360 [11939.405721][ T7704] netlink_unicast+0x449/0x710 [11939.405721][ T7704] netlink_sendmsg+0x723/0xbe0 [11939.405721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11939.405721][ T7704] ___sys_sendmsg+0xee/0x170 [11939.405721][ T7704] __sys_sendmsg+0xcd/0x170 [11939.405721][ T7704] do_syscall_64+0xc6/0x1e0 [11939.405721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11939.405721][ T7704] [11949.420886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11949.421449][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11949.421449][ T7704] netdev_get_by_index+0x5e/0x80 [11949.421449][ T7704] fib6_nh_init+0x3d8/0x15b0 [11949.421449][ T7704] ip6_route_info_create+0xf18/0x17d0 [11949.421449][ T7704] ip6_route_add+0x1c/0x140 [11949.421449][ T7704] addrconf_prefix_route+0x2a6/0x430 [11949.421449][ T7704] inet6_addr_add+0x4f8/0xa40 [11949.421449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11949.421449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11949.421449][ T7704] netlink_rcv_skb+0x130/0x360 [11949.421449][ T7704] netlink_unicast+0x449/0x710 [11949.421449][ T7704] netlink_sendmsg+0x723/0xbe0 [11949.421449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11949.421449][ T7704] ___sys_sendmsg+0xee/0x170 [11949.421449][ T7704] __sys_sendmsg+0xcd/0x170 [11949.421449][ T7704] do_syscall_64+0xc6/0x1e0 [11949.421449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11949.421449][ T7704] [11949.423723][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11949.423723][ T7704] netdev_get_by_index+0x5e/0x80 [11949.423723][ T7704] fib6_nh_init+0x3d8/0x15b0 [11949.423723][ T7704] ip6_route_info_create+0xf18/0x17d0 [11949.423723][ T7704] addrconf_f6i_alloc+0x315/0x560 [11949.423723][ T7704] ipv6_add_addr+0x411/0x2000 [11949.423723][ T7704] inet6_addr_add+0x30e/0xa40 [11949.423723][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11949.423723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11949.423723][ T7704] netlink_rcv_skb+0x130/0x360 [11949.423723][ T7704] netlink_unicast+0x449/0x710 [11949.423723][ T7704] netlink_sendmsg+0x723/0xbe0 [11949.423723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11949.423723][ T7704] ___sys_sendmsg+0xee/0x170 [11949.423723][ T7704] __sys_sendmsg+0xcd/0x170 [11949.423723][ T7704] do_syscall_64+0xc6/0x1e0 [11949.423723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11949.423723][ T7704] [11949.425978][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11949.425978][ T7704] netdev_get_by_index+0x5e/0x80 [11949.425978][ T7704] fib6_nh_init+0x3d8/0x15b0 [11949.425978][ T7704] ip6_route_info_create+0xf18/0x17d0 [11949.425978][ T7704] ip6_route_add+0x1c/0x140 [11949.425978][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11949.425978][ T7704] addrconf_add_dev+0xe2/0x170 [11949.425978][ T7704] inet6_addr_add+0x12f/0xa40 [11949.425978][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11949.425978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11949.425978][ T7704] netlink_rcv_skb+0x130/0x360 [11949.425978][ T7704] netlink_unicast+0x449/0x710 [11949.425978][ T7704] netlink_sendmsg+0x723/0xbe0 [11949.425978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11949.425978][ T7704] ___sys_sendmsg+0xee/0x170 [11949.425978][ T7704] __sys_sendmsg+0xcd/0x170 [11949.425978][ T7704] do_syscall_64+0xc6/0x1e0 [11949.425978][ T7704] [11949.428170][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11949.428170][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11949.428170][ T7704] ipv6_find_idev+0x102/0x170 [11949.428170][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11949.428170][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11949.428170][ T7704] netlink_rcv_skb+0x130/0x360 [11949.428170][ T7704] netlink_unicast+0x449/0x710 [11949.428170][ T7704] netlink_sendmsg+0x723/0xbe0 [11949.428170][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11949.428170][ T7704] ___sys_sendmsg+0xee/0x170 [11949.428170][ T7704] __sys_sendmsg+0xcd/0x170 [11949.428170][ T7704] do_syscall_64+0xc6/0x1e0 [11949.428170][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11949.428170][ T7704] [11949.429890][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11949.429890][ T7704] neigh_parms_alloc+0x1e5/0x510 [11949.429890][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11949.429890][ T7704] ipv6_find_idev+0x102/0x170 [11949.429890][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11949.429890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11949.429890][ T7704] netlink_rcv_skb+0x130/0x360 [11949.429890][ T7704] netlink_unicast+0x449/0x710 [11949.429890][ T7704] netlink_sendmsg+0x723/0xbe0 [11949.429890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11949.429890][ T7704] ___sys_sendmsg+0xee/0x170 [11949.429890][ T7704] __sys_sendmsg+0xcd/0x170 [11949.429890][ T7704] do_syscall_64+0xc6/0x1e0 [11949.429890][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11949.429890][ T7704] [11959.668862][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11959.669360][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11959.669360][ T7704] netdev_get_by_index+0x5e/0x80 [11959.669360][ T7704] fib6_nh_init+0x3d8/0x15b0 [11959.669360][ T7704] ip6_route_info_create+0xf18/0x17d0 [11959.669360][ T7704] ip6_route_add+0x1c/0x140 [11959.669360][ T7704] addrconf_prefix_route+0x2a6/0x430 [11959.669360][ T7704] inet6_addr_add+0x4f8/0xa40 [11959.669360][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11959.669360][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11959.669360][ T7704] netlink_rcv_skb+0x130/0x360 [11959.669360][ T7704] netlink_unicast+0x449/0x710 [11959.669360][ T7704] netlink_sendmsg+0x723/0xbe0 [11959.669360][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11959.669360][ T7704] ___sys_sendmsg+0xee/0x170 [11959.669360][ T7704] __sys_sendmsg+0xcd/0x170 [11959.669360][ T7704] do_syscall_64+0xc6/0x1e0 [11959.669360][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11959.669360][ T7704] [11959.671646][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11959.671646][ T7704] netdev_get_by_index+0x5e/0x80 [11959.671646][ T7704] fib6_nh_init+0x3d8/0x15b0 [11959.671646][ T7704] ip6_route_info_create+0xf18/0x17d0 [11959.671646][ T7704] addrconf_f6i_alloc+0x315/0x560 [11959.671646][ T7704] ipv6_add_addr+0x411/0x2000 [11959.671646][ T7704] inet6_addr_add+0x30e/0xa40 [11959.671646][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11959.671646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11959.671646][ T7704] netlink_rcv_skb+0x130/0x360 [11959.671646][ T7704] netlink_unicast+0x449/0x710 [11959.671646][ T7704] netlink_sendmsg+0x723/0xbe0 [11959.671646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11959.671646][ T7704] ___sys_sendmsg+0xee/0x170 [11959.671646][ T7704] __sys_sendmsg+0xcd/0x170 [11959.671646][ T7704] do_syscall_64+0xc6/0x1e0 [11959.671646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11959.671646][ T7704] [11959.673922][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11959.673922][ T7704] netdev_get_by_index+0x5e/0x80 [11959.673922][ T7704] fib6_nh_init+0x3d8/0x15b0 [11959.673922][ T7704] ip6_route_info_create+0xf18/0x17d0 [11959.673922][ T7704] ip6_route_add+0x1c/0x140 [11959.673922][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11959.673922][ T7704] addrconf_add_dev+0xe2/0x170 [11959.673922][ T7704] inet6_addr_add+0x12f/0xa40 [11959.673922][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11959.673922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11959.673922][ T7704] netlink_rcv_skb+0x130/0x360 [11959.673922][ T7704] netlink_unicast+0x449/0x710 [11959.673922][ T7704] netlink_sendmsg+0x723/0xbe0 [11959.673922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11959.673922][ T7704] ___sys_sendmsg+0xee/0x170 [11959.673922][ T7704] __sys_sendmsg+0xcd/0x170 [11959.673922][ T7704] do_syscall_64+0xc6/0x1e0 [11959.673922][ T7704] [11959.676160][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11959.676160][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11959.676160][ T7704] ipv6_find_idev+0x102/0x170 [11959.676160][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11959.676160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11959.676160][ T7704] netlink_rcv_skb+0x130/0x360 [11959.676160][ T7704] netlink_unicast+0x449/0x710 [11959.676160][ T7704] netlink_sendmsg+0x723/0xbe0 [11959.676160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11959.676160][ T7704] ___sys_sendmsg+0xee/0x170 [11959.676160][ T7704] __sys_sendmsg+0xcd/0x170 [11959.676160][ T7704] do_syscall_64+0xc6/0x1e0 [11959.676160][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11959.676160][ T7704] [11959.677889][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11959.677889][ T7704] neigh_parms_alloc+0x1e5/0x510 [11959.677889][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11959.677889][ T7704] ipv6_find_idev+0x102/0x170 [11959.677889][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11959.677889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11959.677889][ T7704] netlink_rcv_skb+0x130/0x360 [11959.677889][ T7704] netlink_unicast+0x449/0x710 [11959.677889][ T7704] netlink_sendmsg+0x723/0xbe0 [11959.677889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11959.677889][ T7704] ___sys_sendmsg+0xee/0x170 [11959.677889][ T7704] __sys_sendmsg+0xcd/0x170 [11959.677889][ T7704] do_syscall_64+0xc6/0x1e0 [11959.677889][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11959.677889][ T7704] [11969.916815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11969.917336][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11969.917336][ T7704] netdev_get_by_index+0x5e/0x80 [11969.917336][ T7704] fib6_nh_init+0x3d8/0x15b0 [11969.917336][ T7704] ip6_route_info_create+0xf18/0x17d0 [11969.917336][ T7704] ip6_route_add+0x1c/0x140 [11969.917336][ T7704] addrconf_prefix_route+0x2a6/0x430 [11969.917336][ T7704] inet6_addr_add+0x4f8/0xa40 [11969.917336][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11969.917336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11969.917336][ T7704] netlink_rcv_skb+0x130/0x360 [11969.917336][ T7704] netlink_unicast+0x449/0x710 [11969.917336][ T7704] netlink_sendmsg+0x723/0xbe0 [11969.917336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11969.917336][ T7704] ___sys_sendmsg+0xee/0x170 [11969.917336][ T7704] __sys_sendmsg+0xcd/0x170 [11969.917336][ T7704] do_syscall_64+0xc6/0x1e0 [11969.917336][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11969.917336][ T7704] [11969.919763][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11969.919763][ T7704] netdev_get_by_index+0x5e/0x80 [11969.919763][ T7704] fib6_nh_init+0x3d8/0x15b0 [11969.919763][ T7704] ip6_route_info_create+0xf18/0x17d0 [11969.919763][ T7704] addrconf_f6i_alloc+0x315/0x560 [11969.919763][ T7704] ipv6_add_addr+0x411/0x2000 [11969.919763][ T7704] inet6_addr_add+0x30e/0xa40 [11969.919763][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11969.919763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11969.919763][ T7704] netlink_rcv_skb+0x130/0x360 [11969.919763][ T7704] netlink_unicast+0x449/0x710 [11969.919763][ T7704] netlink_sendmsg+0x723/0xbe0 [11969.919763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11969.919763][ T7704] ___sys_sendmsg+0xee/0x170 [11969.919763][ T7704] __sys_sendmsg+0xcd/0x170 [11969.919763][ T7704] do_syscall_64+0xc6/0x1e0 [11969.919763][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11969.919763][ T7704] [11969.922010][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11969.922010][ T7704] netdev_get_by_index+0x5e/0x80 [11969.922010][ T7704] fib6_nh_init+0x3d8/0x15b0 [11969.922010][ T7704] ip6_route_info_create+0xf18/0x17d0 [11969.922010][ T7704] ip6_route_add+0x1c/0x140 [11969.922010][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11969.922010][ T7704] addrconf_add_dev+0xe2/0x170 [11969.922010][ T7704] inet6_addr_add+0x12f/0xa40 [11969.922010][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11969.922010][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11969.922010][ T7704] netlink_rcv_skb+0x130/0x360 [11969.922010][ T7704] netlink_unicast+0x449/0x710 [11969.922010][ T7704] netlink_sendmsg+0x723/0xbe0 [11969.922010][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11969.922010][ T7704] ___sys_sendmsg+0xee/0x170 [11969.922010][ T7704] __sys_sendmsg+0xcd/0x170 [11969.922010][ T7704] do_syscall_64+0xc6/0x1e0 [11969.922010][ T7704] [11969.924214][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11969.924214][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11969.924214][ T7704] ipv6_find_idev+0x102/0x170 [11969.924214][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11969.924214][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11969.924214][ T7704] netlink_rcv_skb+0x130/0x360 [11969.924214][ T7704] netlink_unicast+0x449/0x710 [11969.924214][ T7704] netlink_sendmsg+0x723/0xbe0 [11969.924214][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11969.924214][ T7704] ___sys_sendmsg+0xee/0x170 [11969.924214][ T7704] __sys_sendmsg+0xcd/0x170 [11969.924214][ T7704] do_syscall_64+0xc6/0x1e0 [11969.924214][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11969.924214][ T7704] [11969.926067][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11969.926067][ T7704] neigh_parms_alloc+0x1e5/0x510 [11969.926067][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11969.926067][ T7704] ipv6_find_idev+0x102/0x170 [11969.926067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11969.926067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11969.926067][ T7704] netlink_rcv_skb+0x130/0x360 [11969.926067][ T7704] netlink_unicast+0x449/0x710 [11969.926067][ T7704] netlink_sendmsg+0x723/0xbe0 [11969.926067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11969.926067][ T7704] ___sys_sendmsg+0xee/0x170 [11969.926067][ T7704] __sys_sendmsg+0xcd/0x170 [11969.926067][ T7704] do_syscall_64+0xc6/0x1e0 [11969.926067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11969.926067][ T7704] [11980.052841][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11980.053318][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11980.053318][ T7704] netdev_get_by_index+0x5e/0x80 [11980.053318][ T7704] fib6_nh_init+0x3d8/0x15b0 [11980.053318][ T7704] ip6_route_info_create+0xf18/0x17d0 [11980.053318][ T7704] ip6_route_add+0x1c/0x140 [11980.053318][ T7704] addrconf_prefix_route+0x2a6/0x430 [11980.053318][ T7704] inet6_addr_add+0x4f8/0xa40 [11980.053318][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11980.053318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11980.053318][ T7704] netlink_rcv_skb+0x130/0x360 [11980.053318][ T7704] netlink_unicast+0x449/0x710 [11980.053318][ T7704] netlink_sendmsg+0x723/0xbe0 [11980.053318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11980.053318][ T7704] ___sys_sendmsg+0xee/0x170 [11980.053318][ T7704] __sys_sendmsg+0xcd/0x170 [11980.053318][ T7704] do_syscall_64+0xc6/0x1e0 [11980.053318][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11980.053318][ T7704] [11980.055605][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11980.055605][ T7704] netdev_get_by_index+0x5e/0x80 [11980.055605][ T7704] fib6_nh_init+0x3d8/0x15b0 [11980.055605][ T7704] ip6_route_info_create+0xf18/0x17d0 [11980.055605][ T7704] addrconf_f6i_alloc+0x315/0x560 [11980.055605][ T7704] ipv6_add_addr+0x411/0x2000 [11980.055605][ T7704] inet6_addr_add+0x30e/0xa40 [11980.055605][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11980.055605][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11980.055605][ T7704] netlink_rcv_skb+0x130/0x360 [11980.055605][ T7704] netlink_unicast+0x449/0x710 [11980.055605][ T7704] netlink_sendmsg+0x723/0xbe0 [11980.055605][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11980.055605][ T7704] ___sys_sendmsg+0xee/0x170 [11980.055605][ T7704] __sys_sendmsg+0xcd/0x170 [11980.055605][ T7704] do_syscall_64+0xc6/0x1e0 [11980.055605][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11980.055605][ T7704] [11980.057866][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11980.057866][ T7704] netdev_get_by_index+0x5e/0x80 [11980.057866][ T7704] fib6_nh_init+0x3d8/0x15b0 [11980.057866][ T7704] ip6_route_info_create+0xf18/0x17d0 [11980.057866][ T7704] ip6_route_add+0x1c/0x140 [11980.057866][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11980.057866][ T7704] addrconf_add_dev+0xe2/0x170 [11980.057866][ T7704] inet6_addr_add+0x12f/0xa40 [11980.057866][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11980.057866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11980.057866][ T7704] netlink_rcv_skb+0x130/0x360 [11980.057866][ T7704] netlink_unicast+0x449/0x710 [11980.057866][ T7704] netlink_sendmsg+0x723/0xbe0 [11980.057866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11980.057866][ T7704] ___sys_sendmsg+0xee/0x170 [11980.057866][ T7704] __sys_sendmsg+0xcd/0x170 [11980.057866][ T7704] do_syscall_64+0xc6/0x1e0 [11980.057866][ T7704] [11980.060071][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11980.060071][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11980.060071][ T7704] ipv6_find_idev+0x102/0x170 [11980.060071][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11980.060071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11980.060071][ T7704] netlink_rcv_skb+0x130/0x360 [11980.060071][ T7704] netlink_unicast+0x449/0x710 [11980.060071][ T7704] netlink_sendmsg+0x723/0xbe0 [11980.060071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11980.060071][ T7704] ___sys_sendmsg+0xee/0x170 [11980.060071][ T7704] __sys_sendmsg+0xcd/0x170 [11980.060071][ T7704] do_syscall_64+0xc6/0x1e0 [11980.060071][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11980.060071][ T7704] [11980.062407][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11980.062407][ T7704] neigh_parms_alloc+0x1e5/0x510 [11980.062407][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11980.062407][ T7704] ipv6_find_idev+0x102/0x170 [11980.062407][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11980.062407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11980.062407][ T7704] netlink_rcv_skb+0x130/0x360 [11980.062407][ T7704] netlink_unicast+0x449/0x710 [11980.062407][ T7704] netlink_sendmsg+0x723/0xbe0 [11980.062407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11980.062407][ T7704] ___sys_sendmsg+0xee/0x170 [11980.062407][ T7704] __sys_sendmsg+0xcd/0x170 [11980.062407][ T7704] do_syscall_64+0xc6/0x1e0 [11980.062407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11980.062407][ T7704] [11990.124822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [11990.125340][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11990.125340][ T7704] netdev_get_by_index+0x5e/0x80 [11990.125340][ T7704] fib6_nh_init+0x3d8/0x15b0 [11990.125340][ T7704] ip6_route_info_create+0xf18/0x17d0 [11990.125340][ T7704] ip6_route_add+0x1c/0x140 [11990.125340][ T7704] addrconf_prefix_route+0x2a6/0x430 [11990.125340][ T7704] inet6_addr_add+0x4f8/0xa40 [11990.125340][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11990.125340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11990.125340][ T7704] netlink_rcv_skb+0x130/0x360 [11990.125340][ T7704] netlink_unicast+0x449/0x710 [11990.125340][ T7704] netlink_sendmsg+0x723/0xbe0 [11990.125340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11990.125340][ T7704] ___sys_sendmsg+0xee/0x170 [11990.125340][ T7704] __sys_sendmsg+0xcd/0x170 [11990.125340][ T7704] do_syscall_64+0xc6/0x1e0 [11990.125340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11990.125340][ T7704] [11990.127783][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11990.127783][ T7704] netdev_get_by_index+0x5e/0x80 [11990.127783][ T7704] fib6_nh_init+0x3d8/0x15b0 [11990.127783][ T7704] ip6_route_info_create+0xf18/0x17d0 [11990.127783][ T7704] addrconf_f6i_alloc+0x315/0x560 [11990.127783][ T7704] ipv6_add_addr+0x411/0x2000 [11990.127783][ T7704] inet6_addr_add+0x30e/0xa40 [11990.127783][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11990.127783][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11990.127783][ T7704] netlink_rcv_skb+0x130/0x360 [11990.127783][ T7704] netlink_unicast+0x449/0x710 [11990.127783][ T7704] netlink_sendmsg+0x723/0xbe0 [11990.127783][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11990.127783][ T7704] ___sys_sendmsg+0xee/0x170 [11990.127783][ T7704] __sys_sendmsg+0xcd/0x170 [11990.127783][ T7704] do_syscall_64+0xc6/0x1e0 [11990.127783][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11990.127783][ T7704] [11990.130123][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11990.130123][ T7704] netdev_get_by_index+0x5e/0x80 [11990.130123][ T7704] fib6_nh_init+0x3d8/0x15b0 [11990.130123][ T7704] ip6_route_info_create+0xf18/0x17d0 [11990.130123][ T7704] ip6_route_add+0x1c/0x140 [11990.130123][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [11990.130123][ T7704] addrconf_add_dev+0xe2/0x170 [11990.130123][ T7704] inet6_addr_add+0x12f/0xa40 [11990.130123][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [11990.130123][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11990.130123][ T7704] netlink_rcv_skb+0x130/0x360 [11990.130123][ T7704] netlink_unicast+0x449/0x710 [11990.130123][ T7704] netlink_sendmsg+0x723/0xbe0 [11990.130123][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11990.130123][ T7704] ___sys_sendmsg+0xee/0x170 [11990.130123][ T7704] __sys_sendmsg+0xcd/0x170 [11990.130123][ T7704] do_syscall_64+0xc6/0x1e0 [11990.130123][ T7704] [11990.132317][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11990.132317][ T7704] ipv6_add_dev+0x3b9/0x11c0 [11990.132317][ T7704] ipv6_find_idev+0x102/0x170 [11990.132317][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11990.132317][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11990.132317][ T7704] netlink_rcv_skb+0x130/0x360 [11990.132317][ T7704] netlink_unicast+0x449/0x710 [11990.132317][ T7704] netlink_sendmsg+0x723/0xbe0 [11990.132317][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11990.132317][ T7704] ___sys_sendmsg+0xee/0x170 [11990.132317][ T7704] __sys_sendmsg+0xcd/0x170 [11990.132317][ T7704] do_syscall_64+0xc6/0x1e0 [11990.132317][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11990.132317][ T7704] [11990.134044][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [11990.134044][ T7704] neigh_parms_alloc+0x1e5/0x510 [11990.134044][ T7704] ipv6_add_dev+0x2fd/0x11c0 [11990.134044][ T7704] ipv6_find_idev+0x102/0x170 [11990.134044][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [11990.134044][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [11990.134044][ T7704] netlink_rcv_skb+0x130/0x360 [11990.134044][ T7704] netlink_unicast+0x449/0x710 [11990.134044][ T7704] netlink_sendmsg+0x723/0xbe0 [11990.134044][ T7704] ____sys_sendmsg+0x7b2/0xa10 [11990.134044][ T7704] ___sys_sendmsg+0xee/0x170 [11990.134044][ T7704] __sys_sendmsg+0xcd/0x170 [11990.134044][ T7704] do_syscall_64+0xc6/0x1e0 [11990.134044][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [11990.134044][ T7704] [12000.268920][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12000.269512][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12000.269512][ T7704] netdev_get_by_index+0x5e/0x80 [12000.269512][ T7704] fib6_nh_init+0x3d8/0x15b0 [12000.269512][ T7704] ip6_route_info_create+0xf18/0x17d0 [12000.269512][ T7704] ip6_route_add+0x1c/0x140 [12000.269512][ T7704] addrconf_prefix_route+0x2a6/0x430 [12000.269512][ T7704] inet6_addr_add+0x4f8/0xa40 [12000.269512][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12000.269512][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12000.269512][ T7704] netlink_rcv_skb+0x130/0x360 [12000.269512][ T7704] netlink_unicast+0x449/0x710 [12000.269512][ T7704] netlink_sendmsg+0x723/0xbe0 [12000.269512][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12000.269512][ T7704] ___sys_sendmsg+0xee/0x170 [12000.269512][ T7704] __sys_sendmsg+0xcd/0x170 [12000.269512][ T7704] do_syscall_64+0xc6/0x1e0 [12000.269512][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12000.269512][ T7704] [12000.271782][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12000.271782][ T7704] netdev_get_by_index+0x5e/0x80 [12000.271782][ T7704] fib6_nh_init+0x3d8/0x15b0 [12000.271782][ T7704] ip6_route_info_create+0xf18/0x17d0 [12000.271782][ T7704] addrconf_f6i_alloc+0x315/0x560 [12000.271782][ T7704] ipv6_add_addr+0x411/0x2000 [12000.271782][ T7704] inet6_addr_add+0x30e/0xa40 [12000.271782][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12000.271782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12000.271782][ T7704] netlink_rcv_skb+0x130/0x360 [12000.271782][ T7704] netlink_unicast+0x449/0x710 [12000.271782][ T7704] netlink_sendmsg+0x723/0xbe0 [12000.271782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12000.271782][ T7704] ___sys_sendmsg+0xee/0x170 [12000.271782][ T7704] __sys_sendmsg+0xcd/0x170 [12000.271782][ T7704] do_syscall_64+0xc6/0x1e0 [12000.271782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12000.271782][ T7704] [12000.274030][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12000.274030][ T7704] netdev_get_by_index+0x5e/0x80 [12000.274030][ T7704] fib6_nh_init+0x3d8/0x15b0 [12000.274030][ T7704] ip6_route_info_create+0xf18/0x17d0 [12000.274030][ T7704] ip6_route_add+0x1c/0x140 [12000.274030][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12000.274030][ T7704] addrconf_add_dev+0xe2/0x170 [12000.274030][ T7704] inet6_addr_add+0x12f/0xa40 [12000.274030][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12000.274030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12000.274030][ T7704] netlink_rcv_skb+0x130/0x360 [12000.274030][ T7704] netlink_unicast+0x449/0x710 [12000.274030][ T7704] netlink_sendmsg+0x723/0xbe0 [12000.274030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12000.274030][ T7704] ___sys_sendmsg+0xee/0x170 [12000.274030][ T7704] __sys_sendmsg+0xcd/0x170 [12000.274030][ T7704] do_syscall_64+0xc6/0x1e0 [12000.274030][ T7704] [12000.276253][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12000.276253][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12000.276253][ T7704] ipv6_find_idev+0x102/0x170 [12000.276253][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12000.276253][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12000.276253][ T7704] netlink_rcv_skb+0x130/0x360 [12000.276253][ T7704] netlink_unicast+0x449/0x710 [12000.276253][ T7704] netlink_sendmsg+0x723/0xbe0 [12000.276253][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12000.276253][ T7704] ___sys_sendmsg+0xee/0x170 [12000.276253][ T7704] __sys_sendmsg+0xcd/0x170 [12000.276253][ T7704] do_syscall_64+0xc6/0x1e0 [12000.276253][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12000.276253][ T7704] [12000.277979][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12000.277979][ T7704] neigh_parms_alloc+0x1e5/0x510 [12000.277979][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12000.277979][ T7704] ipv6_find_idev+0x102/0x170 [12000.277979][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12000.277979][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12000.277979][ T7704] netlink_rcv_skb+0x130/0x360 [12000.277979][ T7704] netlink_unicast+0x449/0x710 [12000.277979][ T7704] netlink_sendmsg+0x723/0xbe0 [12000.277979][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12000.277979][ T7704] ___sys_sendmsg+0xee/0x170 [12000.277979][ T7704] __sys_sendmsg+0xcd/0x170 [12000.277979][ T7704] do_syscall_64+0xc6/0x1e0 [12000.277979][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12000.277979][ T7704] [12010.516800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12010.517329][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12010.517329][ T7704] netdev_get_by_index+0x5e/0x80 [12010.517329][ T7704] fib6_nh_init+0x3d8/0x15b0 [12010.517329][ T7704] ip6_route_info_create+0xf18/0x17d0 [12010.517329][ T7704] ip6_route_add+0x1c/0x140 [12010.517329][ T7704] addrconf_prefix_route+0x2a6/0x430 [12010.517329][ T7704] inet6_addr_add+0x4f8/0xa40 [12010.517329][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12010.517329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12010.517329][ T7704] netlink_rcv_skb+0x130/0x360 [12010.517329][ T7704] netlink_unicast+0x449/0x710 [12010.517329][ T7704] netlink_sendmsg+0x723/0xbe0 [12010.517329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12010.517329][ T7704] ___sys_sendmsg+0xee/0x170 [12010.517329][ T7704] __sys_sendmsg+0xcd/0x170 [12010.517329][ T7704] do_syscall_64+0xc6/0x1e0 [12010.517329][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12010.517329][ T7704] [12010.519572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12010.519572][ T7704] netdev_get_by_index+0x5e/0x80 [12010.519572][ T7704] fib6_nh_init+0x3d8/0x15b0 [12010.519572][ T7704] ip6_route_info_create+0xf18/0x17d0 [12010.519572][ T7704] addrconf_f6i_alloc+0x315/0x560 [12010.519572][ T7704] ipv6_add_addr+0x411/0x2000 [12010.519572][ T7704] inet6_addr_add+0x30e/0xa40 [12010.519572][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12010.519572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12010.519572][ T7704] netlink_rcv_skb+0x130/0x360 [12010.519572][ T7704] netlink_unicast+0x449/0x710 [12010.519572][ T7704] netlink_sendmsg+0x723/0xbe0 [12010.519572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12010.519572][ T7704] ___sys_sendmsg+0xee/0x170 [12010.519572][ T7704] __sys_sendmsg+0xcd/0x170 [12010.519572][ T7704] do_syscall_64+0xc6/0x1e0 [12010.519572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12010.519572][ T7704] [12010.521786][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12010.521786][ T7704] netdev_get_by_index+0x5e/0x80 [12010.521786][ T7704] fib6_nh_init+0x3d8/0x15b0 [12010.521786][ T7704] ip6_route_info_create+0xf18/0x17d0 [12010.521786][ T7704] ip6_route_add+0x1c/0x140 [12010.521786][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12010.521786][ T7704] addrconf_add_dev+0xe2/0x170 [12010.521786][ T7704] inet6_addr_add+0x12f/0xa40 [12010.521786][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12010.521786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12010.521786][ T7704] netlink_rcv_skb+0x130/0x360 [12010.521786][ T7704] netlink_unicast+0x449/0x710 [12010.521786][ T7704] netlink_sendmsg+0x723/0xbe0 [12010.521786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12010.521786][ T7704] ___sys_sendmsg+0xee/0x170 [12010.521786][ T7704] __sys_sendmsg+0xcd/0x170 [12010.521786][ T7704] do_syscall_64+0xc6/0x1e0 [12010.521786][ T7704] [12010.523974][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12010.523974][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12010.523974][ T7704] ipv6_find_idev+0x102/0x170 [12010.523974][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12010.523974][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12010.523974][ T7704] netlink_rcv_skb+0x130/0x360 [12010.523974][ T7704] netlink_unicast+0x449/0x710 [12010.523974][ T7704] netlink_sendmsg+0x723/0xbe0 [12010.523974][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12010.523974][ T7704] ___sys_sendmsg+0xee/0x170 [12010.523974][ T7704] __sys_sendmsg+0xcd/0x170 [12010.523974][ T7704] do_syscall_64+0xc6/0x1e0 [12010.523974][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12010.523974][ T7704] [12010.525698][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12010.525698][ T7704] neigh_parms_alloc+0x1e5/0x510 [12010.525698][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12010.525698][ T7704] ipv6_find_idev+0x102/0x170 [12010.525698][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12010.525698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12010.525698][ T7704] netlink_rcv_skb+0x130/0x360 [12010.525698][ T7704] netlink_unicast+0x449/0x710 [12010.525698][ T7704] netlink_sendmsg+0x723/0xbe0 [12010.525698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12010.525698][ T7704] ___sys_sendmsg+0xee/0x170 [12010.525698][ T7704] __sys_sendmsg+0xcd/0x170 [12010.525698][ T7704] do_syscall_64+0xc6/0x1e0 [12010.525698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12010.525698][ T7704] [12020.540833][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12020.541381][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12020.541381][ T7704] netdev_get_by_index+0x5e/0x80 [12020.541381][ T7704] fib6_nh_init+0x3d8/0x15b0 [12020.541381][ T7704] ip6_route_info_create+0xf18/0x17d0 [12020.541381][ T7704] ip6_route_add+0x1c/0x140 [12020.541381][ T7704] addrconf_prefix_route+0x2a6/0x430 [12020.541381][ T7704] inet6_addr_add+0x4f8/0xa40 [12020.541381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12020.541381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12020.541381][ T7704] netlink_rcv_skb+0x130/0x360 [12020.541381][ T7704] netlink_unicast+0x449/0x710 [12020.541381][ T7704] netlink_sendmsg+0x723/0xbe0 [12020.541381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12020.541381][ T7704] ___sys_sendmsg+0xee/0x170 [12020.541381][ T7704] __sys_sendmsg+0xcd/0x170 [12020.541381][ T7704] do_syscall_64+0xc6/0x1e0 [12020.541381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12020.541381][ T7704] [12020.543680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12020.543680][ T7704] netdev_get_by_index+0x5e/0x80 [12020.543680][ T7704] fib6_nh_init+0x3d8/0x15b0 [12020.543680][ T7704] ip6_route_info_create+0xf18/0x17d0 [12020.543680][ T7704] addrconf_f6i_alloc+0x315/0x560 [12020.543680][ T7704] ipv6_add_addr+0x411/0x2000 [12020.543680][ T7704] inet6_addr_add+0x30e/0xa40 [12020.543680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12020.543680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12020.543680][ T7704] netlink_rcv_skb+0x130/0x360 [12020.543680][ T7704] netlink_unicast+0x449/0x710 [12020.543680][ T7704] netlink_sendmsg+0x723/0xbe0 [12020.543680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12020.543680][ T7704] ___sys_sendmsg+0xee/0x170 [12020.543680][ T7704] __sys_sendmsg+0xcd/0x170 [12020.543680][ T7704] do_syscall_64+0xc6/0x1e0 [12020.543680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12020.543680][ T7704] [12020.545945][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12020.545945][ T7704] netdev_get_by_index+0x5e/0x80 [12020.545945][ T7704] fib6_nh_init+0x3d8/0x15b0 [12020.545945][ T7704] ip6_route_info_create+0xf18/0x17d0 [12020.545945][ T7704] ip6_route_add+0x1c/0x140 [12020.545945][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12020.545945][ T7704] addrconf_add_dev+0xe2/0x170 [12020.545945][ T7704] inet6_addr_add+0x12f/0xa40 [12020.545945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12020.545945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12020.545945][ T7704] netlink_rcv_skb+0x130/0x360 [12020.545945][ T7704] netlink_unicast+0x449/0x710 [12020.545945][ T7704] netlink_sendmsg+0x723/0xbe0 [12020.545945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12020.545945][ T7704] ___sys_sendmsg+0xee/0x170 [12020.545945][ T7704] __sys_sendmsg+0xcd/0x170 [12020.545945][ T7704] do_syscall_64+0xc6/0x1e0 [12020.545945][ T7704] [12020.548165][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12020.548165][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12020.548165][ T7704] ipv6_find_idev+0x102/0x170 [12020.548165][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12020.548165][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12020.548165][ T7704] netlink_rcv_skb+0x130/0x360 [12020.548165][ T7704] netlink_unicast+0x449/0x710 [12020.548165][ T7704] netlink_sendmsg+0x723/0xbe0 [12020.548165][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12020.548165][ T7704] ___sys_sendmsg+0xee/0x170 [12020.548165][ T7704] __sys_sendmsg+0xcd/0x170 [12020.548165][ T7704] do_syscall_64+0xc6/0x1e0 [12020.548165][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12020.548165][ T7704] [12020.549891][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12020.549891][ T7704] neigh_parms_alloc+0x1e5/0x510 [12020.549891][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12020.549891][ T7704] ipv6_find_idev+0x102/0x170 [12020.549891][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12020.549891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12020.549891][ T7704] netlink_rcv_skb+0x130/0x360 [12020.549891][ T7704] netlink_unicast+0x449/0x710 [12020.549891][ T7704] netlink_sendmsg+0x723/0xbe0 [12020.549891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12020.549891][ T7704] ___sys_sendmsg+0xee/0x170 [12020.549891][ T7704] __sys_sendmsg+0xcd/0x170 [12020.549891][ T7704] do_syscall_64+0xc6/0x1e0 [12020.549891][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12020.549891][ T7704] [12030.836974][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12030.837541][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12030.837541][ T7704] netdev_get_by_index+0x5e/0x80 [12030.837541][ T7704] fib6_nh_init+0x3d8/0x15b0 [12030.837541][ T7704] ip6_route_info_create+0xf18/0x17d0 [12030.837541][ T7704] ip6_route_add+0x1c/0x140 [12030.837541][ T7704] addrconf_prefix_route+0x2a6/0x430 [12030.837541][ T7704] inet6_addr_add+0x4f8/0xa40 [12030.837541][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12030.837541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12030.837541][ T7704] netlink_rcv_skb+0x130/0x360 [12030.837541][ T7704] netlink_unicast+0x449/0x710 [12030.837541][ T7704] netlink_sendmsg+0x723/0xbe0 [12030.837541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12030.837541][ T7704] ___sys_sendmsg+0xee/0x170 [12030.837541][ T7704] __sys_sendmsg+0xcd/0x170 [12030.837541][ T7704] do_syscall_64+0xc6/0x1e0 [12030.837541][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12030.837541][ T7704] [12030.839854][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12030.839854][ T7704] netdev_get_by_index+0x5e/0x80 [12030.839854][ T7704] fib6_nh_init+0x3d8/0x15b0 [12030.839854][ T7704] ip6_route_info_create+0xf18/0x17d0 [12030.839854][ T7704] addrconf_f6i_alloc+0x315/0x560 [12030.839854][ T7704] ipv6_add_addr+0x411/0x2000 [12030.839854][ T7704] inet6_addr_add+0x30e/0xa40 [12030.839854][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12030.839854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12030.839854][ T7704] netlink_rcv_skb+0x130/0x360 [12030.839854][ T7704] netlink_unicast+0x449/0x710 [12030.839854][ T7704] netlink_sendmsg+0x723/0xbe0 [12030.839854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12030.839854][ T7704] ___sys_sendmsg+0xee/0x170 [12030.839854][ T7704] __sys_sendmsg+0xcd/0x170 [12030.839854][ T7704] do_syscall_64+0xc6/0x1e0 [12030.839854][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12030.839854][ T7704] [12030.842096][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12030.842096][ T7704] netdev_get_by_index+0x5e/0x80 [12030.842096][ T7704] fib6_nh_init+0x3d8/0x15b0 [12030.842096][ T7704] ip6_route_info_create+0xf18/0x17d0 [12030.842096][ T7704] ip6_route_add+0x1c/0x140 [12030.842096][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12030.842096][ T7704] addrconf_add_dev+0xe2/0x170 [12030.842096][ T7704] inet6_addr_add+0x12f/0xa40 [12030.842096][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12030.842096][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12030.842096][ T7704] netlink_rcv_skb+0x130/0x360 [12030.842096][ T7704] netlink_unicast+0x449/0x710 [12030.842096][ T7704] netlink_sendmsg+0x723/0xbe0 [12030.842096][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12030.842096][ T7704] ___sys_sendmsg+0xee/0x170 [12030.842096][ T7704] __sys_sendmsg+0xcd/0x170 [12030.842096][ T7704] do_syscall_64+0xc6/0x1e0 [12030.842096][ T7704] [12030.844308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12030.844308][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12030.844308][ T7704] ipv6_find_idev+0x102/0x170 [12030.844308][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12030.844308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12030.844308][ T7704] netlink_rcv_skb+0x130/0x360 [12030.844308][ T7704] netlink_unicast+0x449/0x710 [12030.844308][ T7704] netlink_sendmsg+0x723/0xbe0 [12030.844308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12030.844308][ T7704] ___sys_sendmsg+0xee/0x170 [12030.844308][ T7704] __sys_sendmsg+0xcd/0x170 [12030.844308][ T7704] do_syscall_64+0xc6/0x1e0 [12030.844308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12030.844308][ T7704] [12030.846051][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12030.846051][ T7704] neigh_parms_alloc+0x1e5/0x510 [12030.846051][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12030.846051][ T7704] ipv6_find_idev+0x102/0x170 [12030.846051][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12030.846051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12030.846051][ T7704] netlink_rcv_skb+0x130/0x360 [12030.846051][ T7704] netlink_unicast+0x449/0x710 [12030.846051][ T7704] netlink_sendmsg+0x723/0xbe0 [12030.846051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12030.846051][ T7704] ___sys_sendmsg+0xee/0x170 [12030.846051][ T7704] __sys_sendmsg+0xcd/0x170 [12030.846051][ T7704] do_syscall_64+0xc6/0x1e0 [12030.846051][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12030.846051][ T7704] [12040.980838][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12040.981395][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12040.981395][ T7704] netdev_get_by_index+0x5e/0x80 [12040.981395][ T7704] fib6_nh_init+0x3d8/0x15b0 [12040.981395][ T7704] ip6_route_info_create+0xf18/0x17d0 [12040.981395][ T7704] ip6_route_add+0x1c/0x140 [12040.981395][ T7704] addrconf_prefix_route+0x2a6/0x430 [12040.981395][ T7704] inet6_addr_add+0x4f8/0xa40 [12040.981395][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12040.981395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12040.981395][ T7704] netlink_rcv_skb+0x130/0x360 [12040.981395][ T7704] netlink_unicast+0x449/0x710 [12040.981395][ T7704] netlink_sendmsg+0x723/0xbe0 [12040.981395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12040.981395][ T7704] ___sys_sendmsg+0xee/0x170 [12040.981395][ T7704] __sys_sendmsg+0xcd/0x170 [12040.981395][ T7704] do_syscall_64+0xc6/0x1e0 [12040.981395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12040.981395][ T7704] [12040.983713][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12040.983713][ T7704] netdev_get_by_index+0x5e/0x80 [12040.983713][ T7704] fib6_nh_init+0x3d8/0x15b0 [12040.983713][ T7704] ip6_route_info_create+0xf18/0x17d0 [12040.983713][ T7704] addrconf_f6i_alloc+0x315/0x560 [12040.983713][ T7704] ipv6_add_addr+0x411/0x2000 [12040.983713][ T7704] inet6_addr_add+0x30e/0xa40 [12040.983713][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12040.983713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12040.983713][ T7704] netlink_rcv_skb+0x130/0x360 [12040.983713][ T7704] netlink_unicast+0x449/0x710 [12040.983713][ T7704] netlink_sendmsg+0x723/0xbe0 [12040.983713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12040.983713][ T7704] ___sys_sendmsg+0xee/0x170 [12040.983713][ T7704] __sys_sendmsg+0xcd/0x170 [12040.983713][ T7704] do_syscall_64+0xc6/0x1e0 [12040.983713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12040.983713][ T7704] [12040.985997][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12040.985997][ T7704] netdev_get_by_index+0x5e/0x80 [12040.985997][ T7704] fib6_nh_init+0x3d8/0x15b0 [12040.985997][ T7704] ip6_route_info_create+0xf18/0x17d0 [12040.985997][ T7704] ip6_route_add+0x1c/0x140 [12040.985997][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12040.985997][ T7704] addrconf_add_dev+0xe2/0x170 [12040.985997][ T7704] inet6_addr_add+0x12f/0xa40 [12040.985997][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12040.985997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12040.985997][ T7704] netlink_rcv_skb+0x130/0x360 [12040.985997][ T7704] netlink_unicast+0x449/0x710 [12040.985997][ T7704] netlink_sendmsg+0x723/0xbe0 [12040.985997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12040.985997][ T7704] ___sys_sendmsg+0xee/0x170 [12040.985997][ T7704] __sys_sendmsg+0xcd/0x170 [12040.985997][ T7704] do_syscall_64+0xc6/0x1e0 [12040.985997][ T7704] [12040.988249][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12040.988249][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12040.988249][ T7704] ipv6_find_idev+0x102/0x170 [12040.988249][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12040.988249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12040.988249][ T7704] netlink_rcv_skb+0x130/0x360 [12040.988249][ T7704] netlink_unicast+0x449/0x710 [12040.988249][ T7704] netlink_sendmsg+0x723/0xbe0 [12040.988249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12040.988249][ T7704] ___sys_sendmsg+0xee/0x170 [12040.988249][ T7704] __sys_sendmsg+0xcd/0x170 [12040.988249][ T7704] do_syscall_64+0xc6/0x1e0 [12040.988249][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12040.988249][ T7704] [12040.990013][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12040.990013][ T7704] neigh_parms_alloc+0x1e5/0x510 [12040.990013][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12040.990013][ T7704] ipv6_find_idev+0x102/0x170 [12040.990013][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12040.990013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12040.990013][ T7704] netlink_rcv_skb+0x130/0x360 [12040.990013][ T7704] netlink_unicast+0x449/0x710 [12040.990013][ T7704] netlink_sendmsg+0x723/0xbe0 [12040.990013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12040.990013][ T7704] ___sys_sendmsg+0xee/0x170 [12040.990013][ T7704] __sys_sendmsg+0xcd/0x170 [12040.990013][ T7704] do_syscall_64+0xc6/0x1e0 [12040.990013][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12040.990013][ T7704] [12051.228826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12051.229332][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12051.229332][ T7704] netdev_get_by_index+0x5e/0x80 [12051.229332][ T7704] fib6_nh_init+0x3d8/0x15b0 [12051.229332][ T7704] ip6_route_info_create+0xf18/0x17d0 [12051.229332][ T7704] ip6_route_add+0x1c/0x140 [12051.229332][ T7704] addrconf_prefix_route+0x2a6/0x430 [12051.229332][ T7704] inet6_addr_add+0x4f8/0xa40 [12051.229332][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12051.229332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12051.229332][ T7704] netlink_rcv_skb+0x130/0x360 [12051.229332][ T7704] netlink_unicast+0x449/0x710 [12051.229332][ T7704] netlink_sendmsg+0x723/0xbe0 [12051.229332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12051.229332][ T7704] ___sys_sendmsg+0xee/0x170 [12051.229332][ T7704] __sys_sendmsg+0xcd/0x170 [12051.229332][ T7704] do_syscall_64+0xc6/0x1e0 [12051.229332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12051.229332][ T7704] [12051.231643][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12051.231643][ T7704] netdev_get_by_index+0x5e/0x80 [12051.231643][ T7704] fib6_nh_init+0x3d8/0x15b0 [12051.231643][ T7704] ip6_route_info_create+0xf18/0x17d0 [12051.231643][ T7704] addrconf_f6i_alloc+0x315/0x560 [12051.231643][ T7704] ipv6_add_addr+0x411/0x2000 [12051.231643][ T7704] inet6_addr_add+0x30e/0xa40 [12051.231643][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12051.231643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12051.231643][ T7704] netlink_rcv_skb+0x130/0x360 [12051.231643][ T7704] netlink_unicast+0x449/0x710 [12051.231643][ T7704] netlink_sendmsg+0x723/0xbe0 [12051.231643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12051.231643][ T7704] ___sys_sendmsg+0xee/0x170 [12051.231643][ T7704] __sys_sendmsg+0xcd/0x170 [12051.231643][ T7704] do_syscall_64+0xc6/0x1e0 [12051.231643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12051.231643][ T7704] [12051.233912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12051.233912][ T7704] netdev_get_by_index+0x5e/0x80 [12051.233912][ T7704] fib6_nh_init+0x3d8/0x15b0 [12051.233912][ T7704] ip6_route_info_create+0xf18/0x17d0 [12051.233912][ T7704] ip6_route_add+0x1c/0x140 [12051.233912][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12051.233912][ T7704] addrconf_add_dev+0xe2/0x170 [12051.233912][ T7704] inet6_addr_add+0x12f/0xa40 [12051.233912][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12051.233912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12051.233912][ T7704] netlink_rcv_skb+0x130/0x360 [12051.233912][ T7704] netlink_unicast+0x449/0x710 [12051.233912][ T7704] netlink_sendmsg+0x723/0xbe0 [12051.233912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12051.233912][ T7704] ___sys_sendmsg+0xee/0x170 [12051.233912][ T7704] __sys_sendmsg+0xcd/0x170 [12051.233912][ T7704] do_syscall_64+0xc6/0x1e0 [12051.233912][ T7704] [12051.236765][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12051.236765][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12051.236765][ T7704] ipv6_find_idev+0x102/0x170 [12051.236765][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12051.236765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12051.236765][ T7704] netlink_rcv_skb+0x130/0x360 [12051.236765][ T7704] netlink_unicast+0x449/0x710 [12051.236765][ T7704] netlink_sendmsg+0x723/0xbe0 [12051.236765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12051.236765][ T7704] ___sys_sendmsg+0xee/0x170 [12051.236765][ T7704] __sys_sendmsg+0xcd/0x170 [12051.236765][ T7704] do_syscall_64+0xc6/0x1e0 [12051.236765][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12051.236765][ T7704] [12051.238505][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12051.238505][ T7704] neigh_parms_alloc+0x1e5/0x510 [12051.238505][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12051.238505][ T7704] ipv6_find_idev+0x102/0x170 [12051.238505][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12051.238505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12051.238505][ T7704] netlink_rcv_skb+0x130/0x360 [12051.238505][ T7704] netlink_unicast+0x449/0x710 [12051.238505][ T7704] netlink_sendmsg+0x723/0xbe0 [12051.238505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12051.238505][ T7704] ___sys_sendmsg+0xee/0x170 [12051.238505][ T7704] __sys_sendmsg+0xcd/0x170 [12051.238505][ T7704] do_syscall_64+0xc6/0x1e0 [12051.238505][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12051.238505][ T7704] [12061.476815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12061.477280][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12061.477280][ T7704] netdev_get_by_index+0x5e/0x80 [12061.477280][ T7704] fib6_nh_init+0x3d8/0x15b0 [12061.477280][ T7704] ip6_route_info_create+0xf18/0x17d0 [12061.477280][ T7704] ip6_route_add+0x1c/0x140 [12061.477280][ T7704] addrconf_prefix_route+0x2a6/0x430 [12061.477280][ T7704] inet6_addr_add+0x4f8/0xa40 [12061.477280][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12061.477280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12061.477280][ T7704] netlink_rcv_skb+0x130/0x360 [12061.477280][ T7704] netlink_unicast+0x449/0x710 [12061.477280][ T7704] netlink_sendmsg+0x723/0xbe0 [12061.477280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12061.477280][ T7704] ___sys_sendmsg+0xee/0x170 [12061.477280][ T7704] __sys_sendmsg+0xcd/0x170 [12061.477280][ T7704] do_syscall_64+0xc6/0x1e0 [12061.477280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12061.477280][ T7704] [12061.479533][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12061.479533][ T7704] netdev_get_by_index+0x5e/0x80 [12061.479533][ T7704] fib6_nh_init+0x3d8/0x15b0 [12061.479533][ T7704] ip6_route_info_create+0xf18/0x17d0 [12061.479533][ T7704] addrconf_f6i_alloc+0x315/0x560 [12061.479533][ T7704] ipv6_add_addr+0x411/0x2000 [12061.479533][ T7704] inet6_addr_add+0x30e/0xa40 [12061.479533][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12061.479533][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12061.479533][ T7704] netlink_rcv_skb+0x130/0x360 [12061.479533][ T7704] netlink_unicast+0x449/0x710 [12061.479533][ T7704] netlink_sendmsg+0x723/0xbe0 [12061.479533][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12061.479533][ T7704] ___sys_sendmsg+0xee/0x170 [12061.479533][ T7704] __sys_sendmsg+0xcd/0x170 [12061.479533][ T7704] do_syscall_64+0xc6/0x1e0 [12061.479533][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12061.479533][ T7704] [12061.481746][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12061.481746][ T7704] netdev_get_by_index+0x5e/0x80 [12061.481746][ T7704] fib6_nh_init+0x3d8/0x15b0 [12061.481746][ T7704] ip6_route_info_create+0xf18/0x17d0 [12061.481746][ T7704] ip6_route_add+0x1c/0x140 [12061.481746][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12061.481746][ T7704] addrconf_add_dev+0xe2/0x170 [12061.481746][ T7704] inet6_addr_add+0x12f/0xa40 [12061.481746][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12061.481746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12061.481746][ T7704] netlink_rcv_skb+0x130/0x360 [12061.481746][ T7704] netlink_unicast+0x449/0x710 [12061.481746][ T7704] netlink_sendmsg+0x723/0xbe0 [12061.481746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12061.481746][ T7704] ___sys_sendmsg+0xee/0x170 [12061.481746][ T7704] __sys_sendmsg+0xcd/0x170 [12061.481746][ T7704] do_syscall_64+0xc6/0x1e0 [12061.481746][ T7704] [12061.483929][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12061.483929][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12061.483929][ T7704] ipv6_find_idev+0x102/0x170 [12061.483929][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12061.483929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12061.483929][ T7704] netlink_rcv_skb+0x130/0x360 [12061.483929][ T7704] netlink_unicast+0x449/0x710 [12061.483929][ T7704] netlink_sendmsg+0x723/0xbe0 [12061.483929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12061.483929][ T7704] ___sys_sendmsg+0xee/0x170 [12061.483929][ T7704] __sys_sendmsg+0xcd/0x170 [12061.483929][ T7704] do_syscall_64+0xc6/0x1e0 [12061.483929][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12061.483929][ T7704] [12061.485647][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12061.485647][ T7704] neigh_parms_alloc+0x1e5/0x510 [12061.485647][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12061.485647][ T7704] ipv6_find_idev+0x102/0x170 [12061.485647][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12061.485647][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12061.485647][ T7704] netlink_rcv_skb+0x130/0x360 [12061.485647][ T7704] netlink_unicast+0x449/0x710 [12061.485647][ T7704] netlink_sendmsg+0x723/0xbe0 [12061.485647][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12061.485647][ T7704] ___sys_sendmsg+0xee/0x170 [12061.485647][ T7704] __sys_sendmsg+0xcd/0x170 [12061.485647][ T7704] do_syscall_64+0xc6/0x1e0 [12061.485647][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12061.485647][ T7704] [12071.548864][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12071.549394][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12071.549394][ T7704] netdev_get_by_index+0x5e/0x80 [12071.549394][ T7704] fib6_nh_init+0x3d8/0x15b0 [12071.549394][ T7704] ip6_route_info_create+0xf18/0x17d0 [12071.549394][ T7704] ip6_route_add+0x1c/0x140 [12071.549394][ T7704] addrconf_prefix_route+0x2a6/0x430 [12071.549394][ T7704] inet6_addr_add+0x4f8/0xa40 [12071.549394][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12071.549394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12071.549394][ T7704] netlink_rcv_skb+0x130/0x360 [12071.549394][ T7704] netlink_unicast+0x449/0x710 [12071.549394][ T7704] netlink_sendmsg+0x723/0xbe0 [12071.549394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12071.549394][ T7704] ___sys_sendmsg+0xee/0x170 [12071.549394][ T7704] __sys_sendmsg+0xcd/0x170 [12071.549394][ T7704] do_syscall_64+0xc6/0x1e0 [12071.549394][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12071.549394][ T7704] [12071.551660][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12071.551660][ T7704] netdev_get_by_index+0x5e/0x80 [12071.551660][ T7704] fib6_nh_init+0x3d8/0x15b0 [12071.551660][ T7704] ip6_route_info_create+0xf18/0x17d0 [12071.551660][ T7704] addrconf_f6i_alloc+0x315/0x560 [12071.551660][ T7704] ipv6_add_addr+0x411/0x2000 [12071.551660][ T7704] inet6_addr_add+0x30e/0xa40 [12071.551660][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12071.551660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12071.551660][ T7704] netlink_rcv_skb+0x130/0x360 [12071.551660][ T7704] netlink_unicast+0x449/0x710 [12071.551660][ T7704] netlink_sendmsg+0x723/0xbe0 [12071.551660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12071.551660][ T7704] ___sys_sendmsg+0xee/0x170 [12071.551660][ T7704] __sys_sendmsg+0xcd/0x170 [12071.551660][ T7704] do_syscall_64+0xc6/0x1e0 [12071.551660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12071.551660][ T7704] [12071.553866][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12071.553866][ T7704] netdev_get_by_index+0x5e/0x80 [12071.553866][ T7704] fib6_nh_init+0x3d8/0x15b0 [12071.553866][ T7704] ip6_route_info_create+0xf18/0x17d0 [12071.553866][ T7704] ip6_route_add+0x1c/0x140 [12071.553866][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12071.553866][ T7704] addrconf_add_dev+0xe2/0x170 [12071.553866][ T7704] inet6_addr_add+0x12f/0xa40 [12071.553866][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12071.553866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12071.553866][ T7704] netlink_rcv_skb+0x130/0x360 [12071.553866][ T7704] netlink_unicast+0x449/0x710 [12071.553866][ T7704] netlink_sendmsg+0x723/0xbe0 [12071.553866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12071.553866][ T7704] ___sys_sendmsg+0xee/0x170 [12071.553866][ T7704] __sys_sendmsg+0xcd/0x170 [12071.553866][ T7704] do_syscall_64+0xc6/0x1e0 [12071.553866][ T7704] [12071.556096][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12071.556096][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12071.556096][ T7704] ipv6_find_idev+0x102/0x170 [12071.556096][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12071.556096][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12071.556096][ T7704] netlink_rcv_skb+0x130/0x360 [12071.556096][ T7704] netlink_unicast+0x449/0x710 [12071.556096][ T7704] netlink_sendmsg+0x723/0xbe0 [12071.556096][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12071.556096][ T7704] ___sys_sendmsg+0xee/0x170 [12071.556096][ T7704] __sys_sendmsg+0xcd/0x170 [12071.556096][ T7704] do_syscall_64+0xc6/0x1e0 [12071.556096][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12071.556096][ T7704] [12071.557794][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12071.557794][ T7704] neigh_parms_alloc+0x1e5/0x510 [12071.557794][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12071.557794][ T7704] ipv6_find_idev+0x102/0x170 [12071.557794][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12071.557794][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12071.557794][ T7704] netlink_rcv_skb+0x130/0x360 [12071.557794][ T7704] netlink_unicast+0x449/0x710 [12071.557794][ T7704] netlink_sendmsg+0x723/0xbe0 [12071.557794][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12071.557794][ T7704] ___sys_sendmsg+0xee/0x170 [12071.557794][ T7704] __sys_sendmsg+0xcd/0x170 [12071.557794][ T7704] do_syscall_64+0xc6/0x1e0 [12071.557794][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12071.557794][ T7704] [12081.796808][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12081.797278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12081.797278][ T7704] netdev_get_by_index+0x5e/0x80 [12081.797278][ T7704] fib6_nh_init+0x3d8/0x15b0 [12081.797278][ T7704] ip6_route_info_create+0xf18/0x17d0 [12081.797278][ T7704] ip6_route_add+0x1c/0x140 [12081.797278][ T7704] addrconf_prefix_route+0x2a6/0x430 [12081.797278][ T7704] inet6_addr_add+0x4f8/0xa40 [12081.797278][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12081.797278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12081.797278][ T7704] netlink_rcv_skb+0x130/0x360 [12081.797278][ T7704] netlink_unicast+0x449/0x710 [12081.797278][ T7704] netlink_sendmsg+0x723/0xbe0 [12081.797278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12081.797278][ T7704] ___sys_sendmsg+0xee/0x170 [12081.797278][ T7704] __sys_sendmsg+0xcd/0x170 [12081.797278][ T7704] do_syscall_64+0xc6/0x1e0 [12081.797278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12081.797278][ T7704] [12081.799520][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12081.799520][ T7704] netdev_get_by_index+0x5e/0x80 [12081.799520][ T7704] fib6_nh_init+0x3d8/0x15b0 [12081.799520][ T7704] ip6_route_info_create+0xf18/0x17d0 [12081.799520][ T7704] addrconf_f6i_alloc+0x315/0x560 [12081.799520][ T7704] ipv6_add_addr+0x411/0x2000 [12081.799520][ T7704] inet6_addr_add+0x30e/0xa40 [12081.799520][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12081.799520][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12081.799520][ T7704] netlink_rcv_skb+0x130/0x360 [12081.799520][ T7704] netlink_unicast+0x449/0x710 [12081.799520][ T7704] netlink_sendmsg+0x723/0xbe0 [12081.799520][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12081.799520][ T7704] ___sys_sendmsg+0xee/0x170 [12081.799520][ T7704] __sys_sendmsg+0xcd/0x170 [12081.799520][ T7704] do_syscall_64+0xc6/0x1e0 [12081.799520][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12081.799520][ T7704] [12081.801730][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12081.801730][ T7704] netdev_get_by_index+0x5e/0x80 [12081.801730][ T7704] fib6_nh_init+0x3d8/0x15b0 [12081.801730][ T7704] ip6_route_info_create+0xf18/0x17d0 [12081.801730][ T7704] ip6_route_add+0x1c/0x140 [12081.801730][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12081.801730][ T7704] addrconf_add_dev+0xe2/0x170 [12081.801730][ T7704] inet6_addr_add+0x12f/0xa40 [12081.801730][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12081.801730][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12081.801730][ T7704] netlink_rcv_skb+0x130/0x360 [12081.801730][ T7704] netlink_unicast+0x449/0x710 [12081.801730][ T7704] netlink_sendmsg+0x723/0xbe0 [12081.801730][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12081.801730][ T7704] ___sys_sendmsg+0xee/0x170 [12081.801730][ T7704] __sys_sendmsg+0xcd/0x170 [12081.801730][ T7704] do_syscall_64+0xc6/0x1e0 [12081.801730][ T7704] [12081.803904][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12081.803904][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12081.803904][ T7704] ipv6_find_idev+0x102/0x170 [12081.803904][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12081.803904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12081.803904][ T7704] netlink_rcv_skb+0x130/0x360 [12081.803904][ T7704] netlink_unicast+0x449/0x710 [12081.803904][ T7704] netlink_sendmsg+0x723/0xbe0 [12081.803904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12081.803904][ T7704] ___sys_sendmsg+0xee/0x170 [12081.803904][ T7704] __sys_sendmsg+0xcd/0x170 [12081.803904][ T7704] do_syscall_64+0xc6/0x1e0 [12081.803904][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12081.803904][ T7704] [12081.805704][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12081.805704][ T7704] neigh_parms_alloc+0x1e5/0x510 [12081.805704][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12081.805704][ T7704] ipv6_find_idev+0x102/0x170 [12081.805704][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12081.805704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12081.805704][ T7704] netlink_rcv_skb+0x130/0x360 [12081.805704][ T7704] netlink_unicast+0x449/0x710 [12081.805704][ T7704] netlink_sendmsg+0x723/0xbe0 [12081.805704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12081.805704][ T7704] ___sys_sendmsg+0xee/0x170 [12081.805704][ T7704] __sys_sendmsg+0xcd/0x170 [12081.805704][ T7704] do_syscall_64+0xc6/0x1e0 [12081.805704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12081.805704][ T7704] [12091.916837][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12091.917524][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12091.917524][ T7704] netdev_get_by_index+0x5e/0x80 [12091.917524][ T7704] fib6_nh_init+0x3d8/0x15b0 [12091.917524][ T7704] ip6_route_info_create+0xf18/0x17d0 [12091.917524][ T7704] ip6_route_add+0x1c/0x140 [12091.917524][ T7704] addrconf_prefix_route+0x2a6/0x430 [12091.917524][ T7704] inet6_addr_add+0x4f8/0xa40 [12091.917524][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12091.917524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12091.917524][ T7704] netlink_rcv_skb+0x130/0x360 [12091.917524][ T7704] netlink_unicast+0x449/0x710 [12091.917524][ T7704] netlink_sendmsg+0x723/0xbe0 [12091.917524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12091.917524][ T7704] ___sys_sendmsg+0xee/0x170 [12091.917524][ T7704] __sys_sendmsg+0xcd/0x170 [12091.917524][ T7704] do_syscall_64+0xc6/0x1e0 [12091.917524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12091.917524][ T7704] [12091.921017][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12091.921017][ T7704] netdev_get_by_index+0x5e/0x80 [12091.921017][ T7704] fib6_nh_init+0x3d8/0x15b0 [12091.921017][ T7704] ip6_route_info_create+0xf18/0x17d0 [12091.921017][ T7704] addrconf_f6i_alloc+0x315/0x560 [12091.921017][ T7704] ipv6_add_addr+0x411/0x2000 [12091.921017][ T7704] inet6_addr_add+0x30e/0xa40 [12091.921017][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12091.921017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12091.921017][ T7704] netlink_rcv_skb+0x130/0x360 [12091.921017][ T7704] netlink_unicast+0x449/0x710 [12091.921017][ T7704] netlink_sendmsg+0x723/0xbe0 [12091.921017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12091.921017][ T7704] ___sys_sendmsg+0xee/0x170 [12091.921017][ T7704] __sys_sendmsg+0xcd/0x170 [12091.921017][ T7704] do_syscall_64+0xc6/0x1e0 [12091.921017][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12091.921017][ T7704] [12091.924526][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12091.924526][ T7704] netdev_get_by_index+0x5e/0x80 [12091.924526][ T7704] fib6_nh_init+0x3d8/0x15b0 [12091.924526][ T7704] ip6_route_info_create+0xf18/0x17d0 [12091.924526][ T7704] ip6_route_add+0x1c/0x140 [12091.924526][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12091.924526][ T7704] addrconf_add_dev+0xe2/0x170 [12091.924526][ T7704] inet6_addr_add+0x12f/0xa40 [12091.924526][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12091.924526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12091.924526][ T7704] netlink_rcv_skb+0x130/0x360 [12091.924526][ T7704] netlink_unicast+0x449/0x710 [12091.924526][ T7704] netlink_sendmsg+0x723/0xbe0 [12091.924526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12091.924526][ T7704] ___sys_sendmsg+0xee/0x170 [12091.924526][ T7704] __sys_sendmsg+0xcd/0x170 [12091.924526][ T7704] do_syscall_64+0xc6/0x1e0 [12091.924526][ T7704] [12091.927915][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12091.927915][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12091.927915][ T7704] ipv6_find_idev+0x102/0x170 [12091.927915][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12091.927915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12091.927915][ T7704] netlink_rcv_skb+0x130/0x360 [12091.927915][ T7704] netlink_unicast+0x449/0x710 [12091.927915][ T7704] netlink_sendmsg+0x723/0xbe0 [12091.927915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12091.927915][ T7704] ___sys_sendmsg+0xee/0x170 [12091.927915][ T7704] __sys_sendmsg+0xcd/0x170 [12091.927915][ T7704] do_syscall_64+0xc6/0x1e0 [12091.927915][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12091.927915][ T7704] [12091.930655][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12091.930655][ T7704] neigh_parms_alloc+0x1e5/0x510 [12091.930655][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12091.930655][ T7704] ipv6_find_idev+0x102/0x170 [12091.930655][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12091.930655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12091.930655][ T7704] netlink_rcv_skb+0x130/0x360 [12091.930655][ T7704] netlink_unicast+0x449/0x710 [12091.930655][ T7704] netlink_sendmsg+0x723/0xbe0 [12091.930655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12091.930655][ T7704] ___sys_sendmsg+0xee/0x170 [12091.930655][ T7704] __sys_sendmsg+0xcd/0x170 [12091.930655][ T7704] do_syscall_64+0xc6/0x1e0 [12091.930655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12091.930655][ T7704] [12102.124824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12102.125277][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12102.125277][ T7704] netdev_get_by_index+0x5e/0x80 [12102.125277][ T7704] fib6_nh_init+0x3d8/0x15b0 [12102.125277][ T7704] ip6_route_info_create+0xf18/0x17d0 [12102.125277][ T7704] ip6_route_add+0x1c/0x140 [12102.125277][ T7704] addrconf_prefix_route+0x2a6/0x430 [12102.125277][ T7704] inet6_addr_add+0x4f8/0xa40 [12102.125277][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12102.125277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12102.125277][ T7704] netlink_rcv_skb+0x130/0x360 [12102.125277][ T7704] netlink_unicast+0x449/0x710 [12102.125277][ T7704] netlink_sendmsg+0x723/0xbe0 [12102.125277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12102.125277][ T7704] ___sys_sendmsg+0xee/0x170 [12102.125277][ T7704] __sys_sendmsg+0xcd/0x170 [12102.125277][ T7704] do_syscall_64+0xc6/0x1e0 [12102.125277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12102.125277][ T7704] [12102.127647][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12102.127647][ T7704] netdev_get_by_index+0x5e/0x80 [12102.127647][ T7704] fib6_nh_init+0x3d8/0x15b0 [12102.127647][ T7704] ip6_route_info_create+0xf18/0x17d0 [12102.127647][ T7704] addrconf_f6i_alloc+0x315/0x560 [12102.127647][ T7704] ipv6_add_addr+0x411/0x2000 [12102.127647][ T7704] inet6_addr_add+0x30e/0xa40 [12102.127647][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12102.127647][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12102.127647][ T7704] netlink_rcv_skb+0x130/0x360 [12102.127647][ T7704] netlink_unicast+0x449/0x710 [12102.127647][ T7704] netlink_sendmsg+0x723/0xbe0 [12102.127647][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12102.127647][ T7704] ___sys_sendmsg+0xee/0x170 [12102.127647][ T7704] __sys_sendmsg+0xcd/0x170 [12102.127647][ T7704] do_syscall_64+0xc6/0x1e0 [12102.127647][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12102.127647][ T7704] [12102.129982][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12102.129982][ T7704] netdev_get_by_index+0x5e/0x80 [12102.129982][ T7704] fib6_nh_init+0x3d8/0x15b0 [12102.129982][ T7704] ip6_route_info_create+0xf18/0x17d0 [12102.129982][ T7704] ip6_route_add+0x1c/0x140 [12102.129982][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12102.129982][ T7704] addrconf_add_dev+0xe2/0x170 [12102.129982][ T7704] inet6_addr_add+0x12f/0xa40 [12102.129982][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12102.129982][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12102.129982][ T7704] netlink_rcv_skb+0x130/0x360 [12102.129982][ T7704] netlink_unicast+0x449/0x710 [12102.129982][ T7704] netlink_sendmsg+0x723/0xbe0 [12102.129982][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12102.129982][ T7704] ___sys_sendmsg+0xee/0x170 [12102.129982][ T7704] __sys_sendmsg+0xcd/0x170 [12102.129982][ T7704] do_syscall_64+0xc6/0x1e0 [12102.129982][ T7704] [12102.132165][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12102.132165][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12102.132165][ T7704] ipv6_find_idev+0x102/0x170 [12102.132165][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12102.132165][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12102.132165][ T7704] netlink_rcv_skb+0x130/0x360 [12102.132165][ T7704] netlink_unicast+0x449/0x710 [12102.132165][ T7704] netlink_sendmsg+0x723/0xbe0 [12102.132165][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12102.132165][ T7704] ___sys_sendmsg+0xee/0x170 [12102.132165][ T7704] __sys_sendmsg+0xcd/0x170 [12102.132165][ T7704] do_syscall_64+0xc6/0x1e0 [12102.132165][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12102.132165][ T7704] [12102.133876][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12102.133876][ T7704] neigh_parms_alloc+0x1e5/0x510 [12102.133876][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12102.133876][ T7704] ipv6_find_idev+0x102/0x170 [12102.133876][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12102.133876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12102.133876][ T7704] netlink_rcv_skb+0x130/0x360 [12102.133876][ T7704] netlink_unicast+0x449/0x710 [12102.133876][ T7704] netlink_sendmsg+0x723/0xbe0 [12102.133876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12102.133876][ T7704] ___sys_sendmsg+0xee/0x170 [12102.133876][ T7704] __sys_sendmsg+0xcd/0x170 [12102.133876][ T7704] do_syscall_64+0xc6/0x1e0 [12102.133876][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12102.133876][ T7704] [12112.180822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12112.181295][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12112.181295][ T7704] netdev_get_by_index+0x5e/0x80 [12112.181295][ T7704] fib6_nh_init+0x3d8/0x15b0 [12112.181295][ T7704] ip6_route_info_create+0xf18/0x17d0 [12112.181295][ T7704] ip6_route_add+0x1c/0x140 [12112.181295][ T7704] addrconf_prefix_route+0x2a6/0x430 [12112.181295][ T7704] inet6_addr_add+0x4f8/0xa40 [12112.181295][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12112.181295][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12112.181295][ T7704] netlink_rcv_skb+0x130/0x360 [12112.181295][ T7704] netlink_unicast+0x449/0x710 [12112.181295][ T7704] netlink_sendmsg+0x723/0xbe0 [12112.181295][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12112.181295][ T7704] ___sys_sendmsg+0xee/0x170 [12112.181295][ T7704] __sys_sendmsg+0xcd/0x170 [12112.181295][ T7704] do_syscall_64+0xc6/0x1e0 [12112.181295][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12112.181295][ T7704] [12112.183537][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12112.183537][ T7704] netdev_get_by_index+0x5e/0x80 [12112.183537][ T7704] fib6_nh_init+0x3d8/0x15b0 [12112.183537][ T7704] ip6_route_info_create+0xf18/0x17d0 [12112.183537][ T7704] addrconf_f6i_alloc+0x315/0x560 [12112.183537][ T7704] ipv6_add_addr+0x411/0x2000 [12112.183537][ T7704] inet6_addr_add+0x30e/0xa40 [12112.183537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12112.183537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12112.183537][ T7704] netlink_rcv_skb+0x130/0x360 [12112.183537][ T7704] netlink_unicast+0x449/0x710 [12112.183537][ T7704] netlink_sendmsg+0x723/0xbe0 [12112.183537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12112.183537][ T7704] ___sys_sendmsg+0xee/0x170 [12112.183537][ T7704] __sys_sendmsg+0xcd/0x170 [12112.183537][ T7704] do_syscall_64+0xc6/0x1e0 [12112.183537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12112.183537][ T7704] [12112.185810][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12112.185810][ T7704] netdev_get_by_index+0x5e/0x80 [12112.185810][ T7704] fib6_nh_init+0x3d8/0x15b0 [12112.185810][ T7704] ip6_route_info_create+0xf18/0x17d0 [12112.185810][ T7704] ip6_route_add+0x1c/0x140 [12112.185810][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12112.185810][ T7704] addrconf_add_dev+0xe2/0x170 [12112.185810][ T7704] inet6_addr_add+0x12f/0xa40 [12112.185810][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12112.185810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12112.185810][ T7704] netlink_rcv_skb+0x130/0x360 [12112.185810][ T7704] netlink_unicast+0x449/0x710 [12112.185810][ T7704] netlink_sendmsg+0x723/0xbe0 [12112.185810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12112.185810][ T7704] ___sys_sendmsg+0xee/0x170 [12112.185810][ T7704] __sys_sendmsg+0xcd/0x170 [12112.185810][ T7704] do_syscall_64+0xc6/0x1e0 [12112.185810][ T7704] [12112.187993][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12112.187993][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12112.187993][ T7704] ipv6_find_idev+0x102/0x170 [12112.187993][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12112.187993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12112.187993][ T7704] netlink_rcv_skb+0x130/0x360 [12112.187993][ T7704] netlink_unicast+0x449/0x710 [12112.187993][ T7704] netlink_sendmsg+0x723/0xbe0 [12112.187993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12112.187993][ T7704] ___sys_sendmsg+0xee/0x170 [12112.187993][ T7704] __sys_sendmsg+0xcd/0x170 [12112.187993][ T7704] do_syscall_64+0xc6/0x1e0 [12112.187993][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12112.187993][ T7704] [12112.189697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12112.189697][ T7704] neigh_parms_alloc+0x1e5/0x510 [12112.189697][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12112.189697][ T7704] ipv6_find_idev+0x102/0x170 [12112.189697][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12112.189697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12112.189697][ T7704] netlink_rcv_skb+0x130/0x360 [12112.189697][ T7704] netlink_unicast+0x449/0x710 [12112.189697][ T7704] netlink_sendmsg+0x723/0xbe0 [12112.189697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12112.189697][ T7704] ___sys_sendmsg+0xee/0x170 [12112.189697][ T7704] __sys_sendmsg+0xcd/0x170 [12112.189697][ T7704] do_syscall_64+0xc6/0x1e0 [12112.189697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12112.189697][ T7704] [12122.260826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12122.261406][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12122.261406][ T7704] netdev_get_by_index+0x5e/0x80 [12122.261406][ T7704] fib6_nh_init+0x3d8/0x15b0 [12122.261406][ T7704] ip6_route_info_create+0xf18/0x17d0 [12122.261406][ T7704] ip6_route_add+0x1c/0x140 [12122.261406][ T7704] addrconf_prefix_route+0x2a6/0x430 [12122.261406][ T7704] inet6_addr_add+0x4f8/0xa40 [12122.261406][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12122.261406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12122.261406][ T7704] netlink_rcv_skb+0x130/0x360 [12122.261406][ T7704] netlink_unicast+0x449/0x710 [12122.261406][ T7704] netlink_sendmsg+0x723/0xbe0 [12122.261406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12122.261406][ T7704] ___sys_sendmsg+0xee/0x170 [12122.261406][ T7704] __sys_sendmsg+0xcd/0x170 [12122.261406][ T7704] do_syscall_64+0xc6/0x1e0 [12122.261406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12122.261406][ T7704] [12122.265119][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12122.265119][ T7704] netdev_get_by_index+0x5e/0x80 [12122.265119][ T7704] fib6_nh_init+0x3d8/0x15b0 [12122.265119][ T7704] ip6_route_info_create+0xf18/0x17d0 [12122.265119][ T7704] addrconf_f6i_alloc+0x315/0x560 [12122.265119][ T7704] ipv6_add_addr+0x411/0x2000 [12122.265119][ T7704] inet6_addr_add+0x30e/0xa40 [12122.265119][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12122.265119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12122.265119][ T7704] netlink_rcv_skb+0x130/0x360 [12122.265119][ T7704] netlink_unicast+0x449/0x710 [12122.265119][ T7704] netlink_sendmsg+0x723/0xbe0 [12122.265119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12122.265119][ T7704] ___sys_sendmsg+0xee/0x170 [12122.265119][ T7704] __sys_sendmsg+0xcd/0x170 [12122.265119][ T7704] do_syscall_64+0xc6/0x1e0 [12122.265119][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12122.265119][ T7704] [12122.269426][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12122.269426][ T7704] netdev_get_by_index+0x5e/0x80 [12122.269426][ T7704] fib6_nh_init+0x3d8/0x15b0 [12122.269426][ T7704] ip6_route_info_create+0xf18/0x17d0 [12122.269426][ T7704] ip6_route_add+0x1c/0x140 [12122.269426][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12122.269426][ T7704] addrconf_add_dev+0xe2/0x170 [12122.269426][ T7704] inet6_addr_add+0x12f/0xa40 [12122.269426][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12122.269426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12122.269426][ T7704] netlink_rcv_skb+0x130/0x360 [12122.269426][ T7704] netlink_unicast+0x449/0x710 [12122.269426][ T7704] netlink_sendmsg+0x723/0xbe0 [12122.269426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12122.269426][ T7704] ___sys_sendmsg+0xee/0x170 [12122.269426][ T7704] __sys_sendmsg+0xcd/0x170 [12122.269426][ T7704] do_syscall_64+0xc6/0x1e0 [12122.269426][ T7704] [12122.273084][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12122.273084][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12122.273084][ T7704] ipv6_find_idev+0x102/0x170 [12122.273084][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12122.273084][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12122.273084][ T7704] netlink_rcv_skb+0x130/0x360 [12122.273084][ T7704] netlink_unicast+0x449/0x710 [12122.273084][ T7704] netlink_sendmsg+0x723/0xbe0 [12122.273084][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12122.273084][ T7704] ___sys_sendmsg+0xee/0x170 [12122.273084][ T7704] __sys_sendmsg+0xcd/0x170 [12122.273084][ T7704] do_syscall_64+0xc6/0x1e0 [12122.273084][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12122.273084][ T7704] [12122.275920][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12122.275920][ T7704] neigh_parms_alloc+0x1e5/0x510 [12122.275920][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12122.275920][ T7704] ipv6_find_idev+0x102/0x170 [12122.275920][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12122.275920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12122.275920][ T7704] netlink_rcv_skb+0x130/0x360 [12122.275920][ T7704] netlink_unicast+0x449/0x710 [12122.275920][ T7704] netlink_sendmsg+0x723/0xbe0 [12122.275920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12122.275920][ T7704] ___sys_sendmsg+0xee/0x170 [12122.275920][ T7704] __sys_sendmsg+0xcd/0x170 [12122.275920][ T7704] do_syscall_64+0xc6/0x1e0 [12122.275920][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12122.275920][ T7704] [12132.516835][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12132.517353][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12132.517353][ T7704] netdev_get_by_index+0x5e/0x80 [12132.517353][ T7704] fib6_nh_init+0x3d8/0x15b0 [12132.517353][ T7704] ip6_route_info_create+0xf18/0x17d0 [12132.517353][ T7704] ip6_route_add+0x1c/0x140 [12132.517353][ T7704] addrconf_prefix_route+0x2a6/0x430 [12132.517353][ T7704] inet6_addr_add+0x4f8/0xa40 [12132.517353][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12132.517353][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12132.517353][ T7704] netlink_rcv_skb+0x130/0x360 [12132.517353][ T7704] netlink_unicast+0x449/0x710 [12132.517353][ T7704] netlink_sendmsg+0x723/0xbe0 [12132.517353][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12132.517353][ T7704] ___sys_sendmsg+0xee/0x170 [12132.517353][ T7704] __sys_sendmsg+0xcd/0x170 [12132.517353][ T7704] do_syscall_64+0xc6/0x1e0 [12132.517353][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12132.517353][ T7704] [12132.519612][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12132.519612][ T7704] netdev_get_by_index+0x5e/0x80 [12132.519612][ T7704] fib6_nh_init+0x3d8/0x15b0 [12132.519612][ T7704] ip6_route_info_create+0xf18/0x17d0 [12132.519612][ T7704] addrconf_f6i_alloc+0x315/0x560 [12132.519612][ T7704] ipv6_add_addr+0x411/0x2000 [12132.519612][ T7704] inet6_addr_add+0x30e/0xa40 [12132.519612][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12132.519612][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12132.519612][ T7704] netlink_rcv_skb+0x130/0x360 [12132.519612][ T7704] netlink_unicast+0x449/0x710 [12132.519612][ T7704] netlink_sendmsg+0x723/0xbe0 [12132.519612][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12132.519612][ T7704] ___sys_sendmsg+0xee/0x170 [12132.519612][ T7704] __sys_sendmsg+0xcd/0x170 [12132.519612][ T7704] do_syscall_64+0xc6/0x1e0 [12132.519612][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12132.519612][ T7704] [12132.521827][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12132.521827][ T7704] netdev_get_by_index+0x5e/0x80 [12132.521827][ T7704] fib6_nh_init+0x3d8/0x15b0 [12132.521827][ T7704] ip6_route_info_create+0xf18/0x17d0 [12132.521827][ T7704] ip6_route_add+0x1c/0x140 [12132.521827][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12132.521827][ T7704] addrconf_add_dev+0xe2/0x170 [12132.521827][ T7704] inet6_addr_add+0x12f/0xa40 [12132.521827][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12132.521827][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12132.521827][ T7704] netlink_rcv_skb+0x130/0x360 [12132.521827][ T7704] netlink_unicast+0x449/0x710 [12132.521827][ T7704] netlink_sendmsg+0x723/0xbe0 [12132.521827][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12132.521827][ T7704] ___sys_sendmsg+0xee/0x170 [12132.521827][ T7704] __sys_sendmsg+0xcd/0x170 [12132.521827][ T7704] do_syscall_64+0xc6/0x1e0 [12132.521827][ T7704] [12132.524090][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12132.524090][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12132.524090][ T7704] ipv6_find_idev+0x102/0x170 [12132.524090][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12132.524090][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12132.524090][ T7704] netlink_rcv_skb+0x130/0x360 [12132.524090][ T7704] netlink_unicast+0x449/0x710 [12132.524090][ T7704] netlink_sendmsg+0x723/0xbe0 [12132.524090][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12132.524090][ T7704] ___sys_sendmsg+0xee/0x170 [12132.524090][ T7704] __sys_sendmsg+0xcd/0x170 [12132.524090][ T7704] do_syscall_64+0xc6/0x1e0 [12132.524090][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12132.524090][ T7704] [12132.525800][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12132.525800][ T7704] neigh_parms_alloc+0x1e5/0x510 [12132.525800][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12132.525800][ T7704] ipv6_find_idev+0x102/0x170 [12132.525800][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12132.525800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12132.525800][ T7704] netlink_rcv_skb+0x130/0x360 [12132.525800][ T7704] netlink_unicast+0x449/0x710 [12132.525800][ T7704] netlink_sendmsg+0x723/0xbe0 [12132.525800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12132.525800][ T7704] ___sys_sendmsg+0xee/0x170 [12132.525800][ T7704] __sys_sendmsg+0xcd/0x170 [12132.525800][ T7704] do_syscall_64+0xc6/0x1e0 [12132.525800][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12132.525800][ T7704] [12142.772860][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12142.773596][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12142.773596][ T7704] netdev_get_by_index+0x5e/0x80 [12142.773596][ T7704] fib6_nh_init+0x3d8/0x15b0 [12142.773596][ T7704] ip6_route_info_create+0xf18/0x17d0 [12142.773596][ T7704] ip6_route_add+0x1c/0x140 [12142.773596][ T7704] addrconf_prefix_route+0x2a6/0x430 [12142.773596][ T7704] inet6_addr_add+0x4f8/0xa40 [12142.773596][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12142.773596][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12142.773596][ T7704] netlink_rcv_skb+0x130/0x360 [12142.773596][ T7704] netlink_unicast+0x449/0x710 [12142.773596][ T7704] netlink_sendmsg+0x723/0xbe0 [12142.773596][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12142.773596][ T7704] ___sys_sendmsg+0xee/0x170 [12142.773596][ T7704] __sys_sendmsg+0xcd/0x170 [12142.773596][ T7704] do_syscall_64+0xc6/0x1e0 [12142.773596][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12142.773596][ T7704] [12142.777286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12142.777286][ T7704] netdev_get_by_index+0x5e/0x80 [12142.777286][ T7704] fib6_nh_init+0x3d8/0x15b0 [12142.777286][ T7704] ip6_route_info_create+0xf18/0x17d0 [12142.777286][ T7704] addrconf_f6i_alloc+0x315/0x560 [12142.777286][ T7704] ipv6_add_addr+0x411/0x2000 [12142.777286][ T7704] inet6_addr_add+0x30e/0xa40 [12142.777286][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12142.777286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12142.777286][ T7704] netlink_rcv_skb+0x130/0x360 [12142.777286][ T7704] netlink_unicast+0x449/0x710 [12142.777286][ T7704] netlink_sendmsg+0x723/0xbe0 [12142.777286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12142.777286][ T7704] ___sys_sendmsg+0xee/0x170 [12142.777286][ T7704] __sys_sendmsg+0xcd/0x170 [12142.777286][ T7704] do_syscall_64+0xc6/0x1e0 [12142.777286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12142.777286][ T7704] [12142.780957][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12142.780957][ T7704] netdev_get_by_index+0x5e/0x80 [12142.780957][ T7704] fib6_nh_init+0x3d8/0x15b0 [12142.780957][ T7704] ip6_route_info_create+0xf18/0x17d0 [12142.780957][ T7704] ip6_route_add+0x1c/0x140 [12142.780957][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12142.780957][ T7704] addrconf_add_dev+0xe2/0x170 [12142.780957][ T7704] inet6_addr_add+0x12f/0xa40 [12142.780957][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12142.780957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12142.780957][ T7704] netlink_rcv_skb+0x130/0x360 [12142.780957][ T7704] netlink_unicast+0x449/0x710 [12142.780957][ T7704] netlink_sendmsg+0x723/0xbe0 [12142.780957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12142.780957][ T7704] ___sys_sendmsg+0xee/0x170 [12142.780957][ T7704] __sys_sendmsg+0xcd/0x170 [12142.780957][ T7704] do_syscall_64+0xc6/0x1e0 [12142.780957][ T7704] [12142.784499][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12142.784499][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12142.784499][ T7704] ipv6_find_idev+0x102/0x170 [12142.784499][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12142.784499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12142.784499][ T7704] netlink_rcv_skb+0x130/0x360 [12142.784499][ T7704] netlink_unicast+0x449/0x710 [12142.784499][ T7704] netlink_sendmsg+0x723/0xbe0 [12142.784499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12142.784499][ T7704] ___sys_sendmsg+0xee/0x170 [12142.784499][ T7704] __sys_sendmsg+0xcd/0x170 [12142.784499][ T7704] do_syscall_64+0xc6/0x1e0 [12142.784499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12142.784499][ T7704] [12142.787103][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12142.787103][ T7704] neigh_parms_alloc+0x1e5/0x510 [12142.787103][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12142.787103][ T7704] ipv6_find_idev+0x102/0x170 [12142.787103][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12142.787103][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12142.787103][ T7704] netlink_rcv_skb+0x130/0x360 [12142.787103][ T7704] netlink_unicast+0x449/0x710 [12142.787103][ T7704] netlink_sendmsg+0x723/0xbe0 [12142.787103][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12142.787103][ T7704] ___sys_sendmsg+0xee/0x170 [12142.787103][ T7704] __sys_sendmsg+0xcd/0x170 [12142.787103][ T7704] do_syscall_64+0xc6/0x1e0 [12142.787103][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12142.787103][ T7704] [12153.028790][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12153.029280][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12153.029280][ T7704] netdev_get_by_index+0x5e/0x80 [12153.029280][ T7704] fib6_nh_init+0x3d8/0x15b0 [12153.029280][ T7704] ip6_route_info_create+0xf18/0x17d0 [12153.029280][ T7704] ip6_route_add+0x1c/0x140 [12153.029280][ T7704] addrconf_prefix_route+0x2a6/0x430 [12153.029280][ T7704] inet6_addr_add+0x4f8/0xa40 [12153.029280][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12153.029280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12153.029280][ T7704] netlink_rcv_skb+0x130/0x360 [12153.029280][ T7704] netlink_unicast+0x449/0x710 [12153.029280][ T7704] netlink_sendmsg+0x723/0xbe0 [12153.029280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12153.029280][ T7704] ___sys_sendmsg+0xee/0x170 [12153.029280][ T7704] __sys_sendmsg+0xcd/0x170 [12153.029280][ T7704] do_syscall_64+0xc6/0x1e0 [12153.029280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12153.029280][ T7704] [12153.032196][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12153.032196][ T7704] netdev_get_by_index+0x5e/0x80 [12153.032196][ T7704] fib6_nh_init+0x3d8/0x15b0 [12153.032196][ T7704] ip6_route_info_create+0xf18/0x17d0 [12153.032196][ T7704] addrconf_f6i_alloc+0x315/0x560 [12153.032196][ T7704] ipv6_add_addr+0x411/0x2000 [12153.032196][ T7704] inet6_addr_add+0x30e/0xa40 [12153.032196][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12153.032196][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12153.032196][ T7704] netlink_rcv_skb+0x130/0x360 [12153.032196][ T7704] netlink_unicast+0x449/0x710 [12153.032196][ T7704] netlink_sendmsg+0x723/0xbe0 [12153.032196][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12153.032196][ T7704] ___sys_sendmsg+0xee/0x170 [12153.032196][ T7704] __sys_sendmsg+0xcd/0x170 [12153.032196][ T7704] do_syscall_64+0xc6/0x1e0 [12153.032196][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12153.032196][ T7704] [12153.034429][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12153.034429][ T7704] netdev_get_by_index+0x5e/0x80 [12153.034429][ T7704] fib6_nh_init+0x3d8/0x15b0 [12153.034429][ T7704] ip6_route_info_create+0xf18/0x17d0 [12153.034429][ T7704] ip6_route_add+0x1c/0x140 [12153.034429][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12153.034429][ T7704] addrconf_add_dev+0xe2/0x170 [12153.034429][ T7704] inet6_addr_add+0x12f/0xa40 [12153.034429][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12153.034429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12153.034429][ T7704] netlink_rcv_skb+0x130/0x360 [12153.034429][ T7704] netlink_unicast+0x449/0x710 [12153.034429][ T7704] netlink_sendmsg+0x723/0xbe0 [12153.034429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12153.034429][ T7704] ___sys_sendmsg+0xee/0x170 [12153.034429][ T7704] __sys_sendmsg+0xcd/0x170 [12153.034429][ T7704] do_syscall_64+0xc6/0x1e0 [12153.034429][ T7704] [12153.036609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12153.036609][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12153.036609][ T7704] ipv6_find_idev+0x102/0x170 [12153.036609][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12153.036609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12153.036609][ T7704] netlink_rcv_skb+0x130/0x360 [12153.036609][ T7704] netlink_unicast+0x449/0x710 [12153.036609][ T7704] netlink_sendmsg+0x723/0xbe0 [12153.036609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12153.036609][ T7704] ___sys_sendmsg+0xee/0x170 [12153.036609][ T7704] __sys_sendmsg+0xcd/0x170 [12153.036609][ T7704] do_syscall_64+0xc6/0x1e0 [12153.036609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12153.036609][ T7704] [12153.038321][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12153.038321][ T7704] neigh_parms_alloc+0x1e5/0x510 [12153.038321][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12153.038321][ T7704] ipv6_find_idev+0x102/0x170 [12153.038321][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12153.038321][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12153.038321][ T7704] netlink_rcv_skb+0x130/0x360 [12153.038321][ T7704] netlink_unicast+0x449/0x710 [12153.038321][ T7704] netlink_sendmsg+0x723/0xbe0 [12153.038321][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12153.038321][ T7704] ___sys_sendmsg+0xee/0x170 [12153.038321][ T7704] __sys_sendmsg+0xcd/0x170 [12153.038321][ T7704] do_syscall_64+0xc6/0x1e0 [12153.038321][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12153.038321][ T7704] [12163.092856][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12163.093430][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12163.093430][ T7704] netdev_get_by_index+0x5e/0x80 [12163.093430][ T7704] fib6_nh_init+0x3d8/0x15b0 [12163.093430][ T7704] ip6_route_info_create+0xf18/0x17d0 [12163.093430][ T7704] ip6_route_add+0x1c/0x140 [12163.093430][ T7704] addrconf_prefix_route+0x2a6/0x430 [12163.093430][ T7704] inet6_addr_add+0x4f8/0xa40 [12163.093430][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12163.093430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12163.093430][ T7704] netlink_rcv_skb+0x130/0x360 [12163.093430][ T7704] netlink_unicast+0x449/0x710 [12163.093430][ T7704] netlink_sendmsg+0x723/0xbe0 [12163.093430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12163.093430][ T7704] ___sys_sendmsg+0xee/0x170 [12163.093430][ T7704] __sys_sendmsg+0xcd/0x170 [12163.093430][ T7704] do_syscall_64+0xc6/0x1e0 [12163.093430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12163.093430][ T7704] [12163.095773][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12163.095773][ T7704] netdev_get_by_index+0x5e/0x80 [12163.095773][ T7704] fib6_nh_init+0x3d8/0x15b0 [12163.095773][ T7704] ip6_route_info_create+0xf18/0x17d0 [12163.095773][ T7704] addrconf_f6i_alloc+0x315/0x560 [12163.095773][ T7704] ipv6_add_addr+0x411/0x2000 [12163.095773][ T7704] inet6_addr_add+0x30e/0xa40 [12163.095773][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12163.095773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12163.095773][ T7704] netlink_rcv_skb+0x130/0x360 [12163.095773][ T7704] netlink_unicast+0x449/0x710 [12163.095773][ T7704] netlink_sendmsg+0x723/0xbe0 [12163.095773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12163.095773][ T7704] ___sys_sendmsg+0xee/0x170 [12163.095773][ T7704] __sys_sendmsg+0xcd/0x170 [12163.095773][ T7704] do_syscall_64+0xc6/0x1e0 [12163.095773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12163.095773][ T7704] [12163.098055][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12163.098055][ T7704] netdev_get_by_index+0x5e/0x80 [12163.098055][ T7704] fib6_nh_init+0x3d8/0x15b0 [12163.098055][ T7704] ip6_route_info_create+0xf18/0x17d0 [12163.098055][ T7704] ip6_route_add+0x1c/0x140 [12163.098055][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12163.098055][ T7704] addrconf_add_dev+0xe2/0x170 [12163.098055][ T7704] inet6_addr_add+0x12f/0xa40 [12163.098055][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12163.098055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12163.098055][ T7704] netlink_rcv_skb+0x130/0x360 [12163.098055][ T7704] netlink_unicast+0x449/0x710 [12163.098055][ T7704] netlink_sendmsg+0x723/0xbe0 [12163.098055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12163.098055][ T7704] ___sys_sendmsg+0xee/0x170 [12163.098055][ T7704] __sys_sendmsg+0xcd/0x170 [12163.098055][ T7704] do_syscall_64+0xc6/0x1e0 [12163.098055][ T7704] [12163.100296][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12163.100296][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12163.100296][ T7704] ipv6_find_idev+0x102/0x170 [12163.100296][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12163.100296][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12163.100296][ T7704] netlink_rcv_skb+0x130/0x360 [12163.100296][ T7704] netlink_unicast+0x449/0x710 [12163.100296][ T7704] netlink_sendmsg+0x723/0xbe0 [12163.100296][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12163.100296][ T7704] ___sys_sendmsg+0xee/0x170 [12163.100296][ T7704] __sys_sendmsg+0xcd/0x170 [12163.100296][ T7704] do_syscall_64+0xc6/0x1e0 [12163.100296][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12163.100296][ T7704] [12163.102040][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12163.102040][ T7704] neigh_parms_alloc+0x1e5/0x510 [12163.102040][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12163.102040][ T7704] ipv6_find_idev+0x102/0x170 [12163.102040][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12163.102040][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12163.102040][ T7704] netlink_rcv_skb+0x130/0x360 [12163.102040][ T7704] netlink_unicast+0x449/0x710 [12163.102040][ T7704] netlink_sendmsg+0x723/0xbe0 [12163.102040][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12163.102040][ T7704] ___sys_sendmsg+0xee/0x170 [12163.102040][ T7704] __sys_sendmsg+0xcd/0x170 [12163.102040][ T7704] do_syscall_64+0xc6/0x1e0 [12163.102040][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12163.102040][ T7704] [12173.340763][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12173.341234][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12173.341234][ T7704] netdev_get_by_index+0x5e/0x80 [12173.341234][ T7704] fib6_nh_init+0x3d8/0x15b0 [12173.341234][ T7704] ip6_route_info_create+0xf18/0x17d0 [12173.341234][ T7704] ip6_route_add+0x1c/0x140 [12173.341234][ T7704] addrconf_prefix_route+0x2a6/0x430 [12173.341234][ T7704] inet6_addr_add+0x4f8/0xa40 [12173.341234][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12173.341234][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12173.341234][ T7704] netlink_rcv_skb+0x130/0x360 [12173.341234][ T7704] netlink_unicast+0x449/0x710 [12173.341234][ T7704] netlink_sendmsg+0x723/0xbe0 [12173.341234][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12173.341234][ T7704] ___sys_sendmsg+0xee/0x170 [12173.341234][ T7704] __sys_sendmsg+0xcd/0x170 [12173.341234][ T7704] do_syscall_64+0xc6/0x1e0 [12173.341234][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12173.341234][ T7704] [12173.343631][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12173.343631][ T7704] netdev_get_by_index+0x5e/0x80 [12173.343631][ T7704] fib6_nh_init+0x3d8/0x15b0 [12173.343631][ T7704] ip6_route_info_create+0xf18/0x17d0 [12173.343631][ T7704] addrconf_f6i_alloc+0x315/0x560 [12173.343631][ T7704] ipv6_add_addr+0x411/0x2000 [12173.343631][ T7704] inet6_addr_add+0x30e/0xa40 [12173.343631][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12173.343631][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12173.343631][ T7704] netlink_rcv_skb+0x130/0x360 [12173.343631][ T7704] netlink_unicast+0x449/0x710 [12173.343631][ T7704] netlink_sendmsg+0x723/0xbe0 [12173.343631][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12173.343631][ T7704] ___sys_sendmsg+0xee/0x170 [12173.343631][ T7704] __sys_sendmsg+0xcd/0x170 [12173.343631][ T7704] do_syscall_64+0xc6/0x1e0 [12173.343631][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12173.343631][ T7704] [12173.346037][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12173.346037][ T7704] netdev_get_by_index+0x5e/0x80 [12173.346037][ T7704] fib6_nh_init+0x3d8/0x15b0 [12173.346037][ T7704] ip6_route_info_create+0xf18/0x17d0 [12173.346037][ T7704] ip6_route_add+0x1c/0x140 [12173.346037][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12173.346037][ T7704] addrconf_add_dev+0xe2/0x170 [12173.346037][ T7704] inet6_addr_add+0x12f/0xa40 [12173.346037][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12173.346037][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12173.346037][ T7704] netlink_rcv_skb+0x130/0x360 [12173.346037][ T7704] netlink_unicast+0x449/0x710 [12173.346037][ T7704] netlink_sendmsg+0x723/0xbe0 [12173.346037][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12173.346037][ T7704] ___sys_sendmsg+0xee/0x170 [12173.346037][ T7704] __sys_sendmsg+0xcd/0x170 [12173.346037][ T7704] do_syscall_64+0xc6/0x1e0 [12173.346037][ T7704] [12173.348203][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12173.348203][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12173.348203][ T7704] ipv6_find_idev+0x102/0x170 [12173.348203][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12173.348203][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12173.348203][ T7704] netlink_rcv_skb+0x130/0x360 [12173.348203][ T7704] netlink_unicast+0x449/0x710 [12173.348203][ T7704] netlink_sendmsg+0x723/0xbe0 [12173.348203][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12173.348203][ T7704] ___sys_sendmsg+0xee/0x170 [12173.348203][ T7704] __sys_sendmsg+0xcd/0x170 [12173.348203][ T7704] do_syscall_64+0xc6/0x1e0 [12173.348203][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12173.348203][ T7704] [12173.349916][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12173.349916][ T7704] neigh_parms_alloc+0x1e5/0x510 [12173.349916][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12173.349916][ T7704] ipv6_find_idev+0x102/0x170 [12173.349916][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12173.349916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12173.349916][ T7704] netlink_rcv_skb+0x130/0x360 [12173.349916][ T7704] netlink_unicast+0x449/0x710 [12173.349916][ T7704] netlink_sendmsg+0x723/0xbe0 [12173.349916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12173.349916][ T7704] ___sys_sendmsg+0xee/0x170 [12173.349916][ T7704] __sys_sendmsg+0xcd/0x170 [12173.349916][ T7704] do_syscall_64+0xc6/0x1e0 [12173.349916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12173.349916][ T7704] [12183.420843][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12183.421310][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12183.421310][ T7704] netdev_get_by_index+0x5e/0x80 [12183.421310][ T7704] fib6_nh_init+0x3d8/0x15b0 [12183.421310][ T7704] ip6_route_info_create+0xf18/0x17d0 [12183.421310][ T7704] ip6_route_add+0x1c/0x140 [12183.421310][ T7704] addrconf_prefix_route+0x2a6/0x430 [12183.421310][ T7704] inet6_addr_add+0x4f8/0xa40 [12183.421310][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12183.421310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12183.421310][ T7704] netlink_rcv_skb+0x130/0x360 [12183.421310][ T7704] netlink_unicast+0x449/0x710 [12183.421310][ T7704] netlink_sendmsg+0x723/0xbe0 [12183.421310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12183.421310][ T7704] ___sys_sendmsg+0xee/0x170 [12183.421310][ T7704] __sys_sendmsg+0xcd/0x170 [12183.421310][ T7704] do_syscall_64+0xc6/0x1e0 [12183.421310][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12183.421310][ T7704] [12183.423547][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12183.423547][ T7704] netdev_get_by_index+0x5e/0x80 [12183.423547][ T7704] fib6_nh_init+0x3d8/0x15b0 [12183.423547][ T7704] ip6_route_info_create+0xf18/0x17d0 [12183.423547][ T7704] addrconf_f6i_alloc+0x315/0x560 [12183.423547][ T7704] ipv6_add_addr+0x411/0x2000 [12183.423547][ T7704] inet6_addr_add+0x30e/0xa40 [12183.423547][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12183.423547][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12183.423547][ T7704] netlink_rcv_skb+0x130/0x360 [12183.423547][ T7704] netlink_unicast+0x449/0x710 [12183.423547][ T7704] netlink_sendmsg+0x723/0xbe0 [12183.423547][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12183.423547][ T7704] ___sys_sendmsg+0xee/0x170 [12183.423547][ T7704] __sys_sendmsg+0xcd/0x170 [12183.423547][ T7704] do_syscall_64+0xc6/0x1e0 [12183.423547][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12183.423547][ T7704] [12183.425775][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12183.425775][ T7704] netdev_get_by_index+0x5e/0x80 [12183.425775][ T7704] fib6_nh_init+0x3d8/0x15b0 [12183.425775][ T7704] ip6_route_info_create+0xf18/0x17d0 [12183.425775][ T7704] ip6_route_add+0x1c/0x140 [12183.425775][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12183.425775][ T7704] addrconf_add_dev+0xe2/0x170 [12183.425775][ T7704] inet6_addr_add+0x12f/0xa40 [12183.425775][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12183.425775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12183.425775][ T7704] netlink_rcv_skb+0x130/0x360 [12183.425775][ T7704] netlink_unicast+0x449/0x710 [12183.425775][ T7704] netlink_sendmsg+0x723/0xbe0 [12183.425775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12183.425775][ T7704] ___sys_sendmsg+0xee/0x170 [12183.425775][ T7704] __sys_sendmsg+0xcd/0x170 [12183.425775][ T7704] do_syscall_64+0xc6/0x1e0 [12183.425775][ T7704] [12183.427957][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12183.427957][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12183.427957][ T7704] ipv6_find_idev+0x102/0x170 [12183.427957][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12183.427957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12183.427957][ T7704] netlink_rcv_skb+0x130/0x360 [12183.427957][ T7704] netlink_unicast+0x449/0x710 [12183.427957][ T7704] netlink_sendmsg+0x723/0xbe0 [12183.427957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12183.427957][ T7704] ___sys_sendmsg+0xee/0x170 [12183.427957][ T7704] __sys_sendmsg+0xcd/0x170 [12183.427957][ T7704] do_syscall_64+0xc6/0x1e0 [12183.427957][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12183.427957][ T7704] [12183.429660][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12183.429660][ T7704] neigh_parms_alloc+0x1e5/0x510 [12183.429660][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12183.429660][ T7704] ipv6_find_idev+0x102/0x170 [12183.429660][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12183.429660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12183.429660][ T7704] netlink_rcv_skb+0x130/0x360 [12183.429660][ T7704] netlink_unicast+0x449/0x710 [12183.429660][ T7704] netlink_sendmsg+0x723/0xbe0 [12183.429660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12183.429660][ T7704] ___sys_sendmsg+0xee/0x170 [12183.429660][ T7704] __sys_sendmsg+0xcd/0x170 [12183.429660][ T7704] do_syscall_64+0xc6/0x1e0 [12183.429660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12183.429660][ T7704] [12193.676887][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12193.677446][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12193.677446][ T7704] netdev_get_by_index+0x5e/0x80 [12193.677446][ T7704] fib6_nh_init+0x3d8/0x15b0 [12193.677446][ T7704] ip6_route_info_create+0xf18/0x17d0 [12193.677446][ T7704] ip6_route_add+0x1c/0x140 [12193.677446][ T7704] addrconf_prefix_route+0x2a6/0x430 [12193.677446][ T7704] inet6_addr_add+0x4f8/0xa40 [12193.677446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12193.677446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12193.677446][ T7704] netlink_rcv_skb+0x130/0x360 [12193.677446][ T7704] netlink_unicast+0x449/0x710 [12193.677446][ T7704] netlink_sendmsg+0x723/0xbe0 [12193.677446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12193.677446][ T7704] ___sys_sendmsg+0xee/0x170 [12193.677446][ T7704] __sys_sendmsg+0xcd/0x170 [12193.677446][ T7704] do_syscall_64+0xc6/0x1e0 [12193.677446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12193.677446][ T7704] [12193.679806][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12193.679806][ T7704] netdev_get_by_index+0x5e/0x80 [12193.679806][ T7704] fib6_nh_init+0x3d8/0x15b0 [12193.679806][ T7704] ip6_route_info_create+0xf18/0x17d0 [12193.679806][ T7704] addrconf_f6i_alloc+0x315/0x560 [12193.679806][ T7704] ipv6_add_addr+0x411/0x2000 [12193.679806][ T7704] inet6_addr_add+0x30e/0xa40 [12193.679806][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12193.679806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12193.679806][ T7704] netlink_rcv_skb+0x130/0x360 [12193.679806][ T7704] netlink_unicast+0x449/0x710 [12193.679806][ T7704] netlink_sendmsg+0x723/0xbe0 [12193.679806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12193.679806][ T7704] ___sys_sendmsg+0xee/0x170 [12193.679806][ T7704] __sys_sendmsg+0xcd/0x170 [12193.679806][ T7704] do_syscall_64+0xc6/0x1e0 [12193.679806][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12193.679806][ T7704] [12193.682087][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12193.682087][ T7704] netdev_get_by_index+0x5e/0x80 [12193.682087][ T7704] fib6_nh_init+0x3d8/0x15b0 [12193.682087][ T7704] ip6_route_info_create+0xf18/0x17d0 [12193.682087][ T7704] ip6_route_add+0x1c/0x140 [12193.682087][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12193.682087][ T7704] addrconf_add_dev+0xe2/0x170 [12193.682087][ T7704] inet6_addr_add+0x12f/0xa40 [12193.682087][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12193.682087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12193.682087][ T7704] netlink_rcv_skb+0x130/0x360 [12193.682087][ T7704] netlink_unicast+0x449/0x710 [12193.682087][ T7704] netlink_sendmsg+0x723/0xbe0 [12193.682087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12193.682087][ T7704] ___sys_sendmsg+0xee/0x170 [12193.682087][ T7704] __sys_sendmsg+0xcd/0x170 [12193.682087][ T7704] do_syscall_64+0xc6/0x1e0 [12193.682087][ T7704] [12193.684286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12193.684286][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12193.684286][ T7704] ipv6_find_idev+0x102/0x170 [12193.684286][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12193.684286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12193.684286][ T7704] netlink_rcv_skb+0x130/0x360 [12193.684286][ T7704] netlink_unicast+0x449/0x710 [12193.684286][ T7704] netlink_sendmsg+0x723/0xbe0 [12193.684286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12193.684286][ T7704] ___sys_sendmsg+0xee/0x170 [12193.684286][ T7704] __sys_sendmsg+0xcd/0x170 [12193.684286][ T7704] do_syscall_64+0xc6/0x1e0 [12193.684286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12193.684286][ T7704] [12193.685990][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12193.685990][ T7704] neigh_parms_alloc+0x1e5/0x510 [12193.685990][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12193.685990][ T7704] ipv6_find_idev+0x102/0x170 [12193.685990][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12193.685990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12193.685990][ T7704] netlink_rcv_skb+0x130/0x360 [12193.685990][ T7704] netlink_unicast+0x449/0x710 [12193.685990][ T7704] netlink_sendmsg+0x723/0xbe0 [12193.685990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12193.685990][ T7704] ___sys_sendmsg+0xee/0x170 [12193.685990][ T7704] __sys_sendmsg+0xcd/0x170 [12193.685990][ T7704] do_syscall_64+0xc6/0x1e0 [12193.685990][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12193.685990][ T7704] [12203.924821][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12203.925335][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12203.925335][ T7704] netdev_get_by_index+0x5e/0x80 [12203.925335][ T7704] fib6_nh_init+0x3d8/0x15b0 [12203.925335][ T7704] ip6_route_info_create+0xf18/0x17d0 [12203.925335][ T7704] ip6_route_add+0x1c/0x140 [12203.925335][ T7704] addrconf_prefix_route+0x2a6/0x430 [12203.925335][ T7704] inet6_addr_add+0x4f8/0xa40 [12203.925335][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12203.925335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12203.925335][ T7704] netlink_rcv_skb+0x130/0x360 [12203.925335][ T7704] netlink_unicast+0x449/0x710 [12203.925335][ T7704] netlink_sendmsg+0x723/0xbe0 [12203.925335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12203.925335][ T7704] ___sys_sendmsg+0xee/0x170 [12203.925335][ T7704] __sys_sendmsg+0xcd/0x170 [12203.925335][ T7704] do_syscall_64+0xc6/0x1e0 [12203.925335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12203.925335][ T7704] [12203.927606][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12203.927606][ T7704] netdev_get_by_index+0x5e/0x80 [12203.927606][ T7704] fib6_nh_init+0x3d8/0x15b0 [12203.927606][ T7704] ip6_route_info_create+0xf18/0x17d0 [12203.927606][ T7704] addrconf_f6i_alloc+0x315/0x560 [12203.927606][ T7704] ipv6_add_addr+0x411/0x2000 [12203.927606][ T7704] inet6_addr_add+0x30e/0xa40 [12203.927606][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12203.927606][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12203.927606][ T7704] netlink_rcv_skb+0x130/0x360 [12203.927606][ T7704] netlink_unicast+0x449/0x710 [12203.927606][ T7704] netlink_sendmsg+0x723/0xbe0 [12203.927606][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12203.927606][ T7704] ___sys_sendmsg+0xee/0x170 [12203.927606][ T7704] __sys_sendmsg+0xcd/0x170 [12203.927606][ T7704] do_syscall_64+0xc6/0x1e0 [12203.927606][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12203.927606][ T7704] [12203.929847][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12203.929847][ T7704] netdev_get_by_index+0x5e/0x80 [12203.929847][ T7704] fib6_nh_init+0x3d8/0x15b0 [12203.929847][ T7704] ip6_route_info_create+0xf18/0x17d0 [12203.929847][ T7704] ip6_route_add+0x1c/0x140 [12203.929847][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12203.929847][ T7704] addrconf_add_dev+0xe2/0x170 [12203.929847][ T7704] inet6_addr_add+0x12f/0xa40 [12203.929847][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12203.929847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12203.929847][ T7704] netlink_rcv_skb+0x130/0x360 [12203.929847][ T7704] netlink_unicast+0x449/0x710 [12203.929847][ T7704] netlink_sendmsg+0x723/0xbe0 [12203.929847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12203.929847][ T7704] ___sys_sendmsg+0xee/0x170 [12203.929847][ T7704] __sys_sendmsg+0xcd/0x170 [12203.929847][ T7704] do_syscall_64+0xc6/0x1e0 [12203.929847][ T7704] [12203.932056][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12203.932056][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12203.932056][ T7704] ipv6_find_idev+0x102/0x170 [12203.932056][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12203.932056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12203.932056][ T7704] netlink_rcv_skb+0x130/0x360 [12203.932056][ T7704] netlink_unicast+0x449/0x710 [12203.932056][ T7704] netlink_sendmsg+0x723/0xbe0 [12203.932056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12203.932056][ T7704] ___sys_sendmsg+0xee/0x170 [12203.932056][ T7704] __sys_sendmsg+0xcd/0x170 [12203.932056][ T7704] do_syscall_64+0xc6/0x1e0 [12203.932056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12203.932056][ T7704] [12203.933782][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12203.933782][ T7704] neigh_parms_alloc+0x1e5/0x510 [12203.933782][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12203.933782][ T7704] ipv6_find_idev+0x102/0x170 [12203.933782][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12203.933782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12203.933782][ T7704] netlink_rcv_skb+0x130/0x360 [12203.933782][ T7704] netlink_unicast+0x449/0x710 [12203.933782][ T7704] netlink_sendmsg+0x723/0xbe0 [12203.933782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12203.933782][ T7704] ___sys_sendmsg+0xee/0x170 [12203.933782][ T7704] __sys_sendmsg+0xcd/0x170 [12203.933782][ T7704] do_syscall_64+0xc6/0x1e0 [12203.933782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12203.933782][ T7704] [12214.333019][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12214.333538][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12214.333538][ T7704] netdev_get_by_index+0x5e/0x80 [12214.333538][ T7704] fib6_nh_init+0x3d8/0x15b0 [12214.333538][ T7704] ip6_route_info_create+0xf18/0x17d0 [12214.333538][ T7704] ip6_route_add+0x1c/0x140 [12214.333538][ T7704] addrconf_prefix_route+0x2a6/0x430 [12214.333538][ T7704] inet6_addr_add+0x4f8/0xa40 [12214.333538][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12214.333538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12214.333538][ T7704] netlink_rcv_skb+0x130/0x360 [12214.333538][ T7704] netlink_unicast+0x449/0x710 [12214.333538][ T7704] netlink_sendmsg+0x723/0xbe0 [12214.333538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12214.333538][ T7704] ___sys_sendmsg+0xee/0x170 [12214.333538][ T7704] __sys_sendmsg+0xcd/0x170 [12214.333538][ T7704] do_syscall_64+0xc6/0x1e0 [12214.333538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12214.333538][ T7704] [12214.335792][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12214.335792][ T7704] netdev_get_by_index+0x5e/0x80 [12214.335792][ T7704] fib6_nh_init+0x3d8/0x15b0 [12214.335792][ T7704] ip6_route_info_create+0xf18/0x17d0 [12214.335792][ T7704] addrconf_f6i_alloc+0x315/0x560 [12214.335792][ T7704] ipv6_add_addr+0x411/0x2000 [12214.335792][ T7704] inet6_addr_add+0x30e/0xa40 [12214.335792][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12214.335792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12214.335792][ T7704] netlink_rcv_skb+0x130/0x360 [12214.335792][ T7704] netlink_unicast+0x449/0x710 [12214.335792][ T7704] netlink_sendmsg+0x723/0xbe0 [12214.335792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12214.335792][ T7704] ___sys_sendmsg+0xee/0x170 [12214.335792][ T7704] __sys_sendmsg+0xcd/0x170 [12214.335792][ T7704] do_syscall_64+0xc6/0x1e0 [12214.335792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12214.335792][ T7704] [12214.338043][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12214.338043][ T7704] netdev_get_by_index+0x5e/0x80 [12214.338043][ T7704] fib6_nh_init+0x3d8/0x15b0 [12214.338043][ T7704] ip6_route_info_create+0xf18/0x17d0 [12214.338043][ T7704] ip6_route_add+0x1c/0x140 [12214.338043][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12214.338043][ T7704] addrconf_add_dev+0xe2/0x170 [12214.338043][ T7704] inet6_addr_add+0x12f/0xa40 [12214.338043][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12214.338043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12214.338043][ T7704] netlink_rcv_skb+0x130/0x360 [12214.338043][ T7704] netlink_unicast+0x449/0x710 [12214.338043][ T7704] netlink_sendmsg+0x723/0xbe0 [12214.338043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12214.338043][ T7704] ___sys_sendmsg+0xee/0x170 [12214.338043][ T7704] __sys_sendmsg+0xcd/0x170 [12214.338043][ T7704] do_syscall_64+0xc6/0x1e0 [12214.338043][ T7704] [12214.340216][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12214.340216][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12214.340216][ T7704] ipv6_find_idev+0x102/0x170 [12214.340216][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12214.340216][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12214.340216][ T7704] netlink_rcv_skb+0x130/0x360 [12214.340216][ T7704] netlink_unicast+0x449/0x710 [12214.340216][ T7704] netlink_sendmsg+0x723/0xbe0 [12214.340216][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12214.340216][ T7704] ___sys_sendmsg+0xee/0x170 [12214.340216][ T7704] __sys_sendmsg+0xcd/0x170 [12214.340216][ T7704] do_syscall_64+0xc6/0x1e0 [12214.340216][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12214.340216][ T7704] [12214.341927][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12214.341927][ T7704] neigh_parms_alloc+0x1e5/0x510 [12214.341927][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12214.341927][ T7704] ipv6_find_idev+0x102/0x170 [12214.341927][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12214.341927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12214.341927][ T7704] netlink_rcv_skb+0x130/0x360 [12214.341927][ T7704] netlink_unicast+0x449/0x710 [12214.341927][ T7704] netlink_sendmsg+0x723/0xbe0 [12214.341927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12214.341927][ T7704] ___sys_sendmsg+0xee/0x170 [12214.341927][ T7704] __sys_sendmsg+0xcd/0x170 [12214.341927][ T7704] do_syscall_64+0xc6/0x1e0 [12214.341927][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12214.341927][ T7704] [12224.580803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12224.581349][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12224.581349][ T7704] netdev_get_by_index+0x5e/0x80 [12224.581349][ T7704] fib6_nh_init+0x3d8/0x15b0 [12224.581349][ T7704] ip6_route_info_create+0xf18/0x17d0 [12224.581349][ T7704] ip6_route_add+0x1c/0x140 [12224.581349][ T7704] addrconf_prefix_route+0x2a6/0x430 [12224.581349][ T7704] inet6_addr_add+0x4f8/0xa40 [12224.581349][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12224.581349][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12224.581349][ T7704] netlink_rcv_skb+0x130/0x360 [12224.581349][ T7704] netlink_unicast+0x449/0x710 [12224.581349][ T7704] netlink_sendmsg+0x723/0xbe0 [12224.581349][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12224.581349][ T7704] ___sys_sendmsg+0xee/0x170 [12224.581349][ T7704] __sys_sendmsg+0xcd/0x170 [12224.581349][ T7704] do_syscall_64+0xc6/0x1e0 [12224.581349][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12224.581349][ T7704] [12224.583601][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12224.583601][ T7704] netdev_get_by_index+0x5e/0x80 [12224.583601][ T7704] fib6_nh_init+0x3d8/0x15b0 [12224.583601][ T7704] ip6_route_info_create+0xf18/0x17d0 [12224.583601][ T7704] addrconf_f6i_alloc+0x315/0x560 [12224.583601][ T7704] ipv6_add_addr+0x411/0x2000 [12224.583601][ T7704] inet6_addr_add+0x30e/0xa40 [12224.583601][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12224.583601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12224.583601][ T7704] netlink_rcv_skb+0x130/0x360 [12224.583601][ T7704] netlink_unicast+0x449/0x710 [12224.583601][ T7704] netlink_sendmsg+0x723/0xbe0 [12224.583601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12224.583601][ T7704] ___sys_sendmsg+0xee/0x170 [12224.583601][ T7704] __sys_sendmsg+0xcd/0x170 [12224.583601][ T7704] do_syscall_64+0xc6/0x1e0 [12224.583601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12224.583601][ T7704] [12224.585848][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12224.585848][ T7704] netdev_get_by_index+0x5e/0x80 [12224.585848][ T7704] fib6_nh_init+0x3d8/0x15b0 [12224.585848][ T7704] ip6_route_info_create+0xf18/0x17d0 [12224.585848][ T7704] ip6_route_add+0x1c/0x140 [12224.585848][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12224.585848][ T7704] addrconf_add_dev+0xe2/0x170 [12224.585848][ T7704] inet6_addr_add+0x12f/0xa40 [12224.585848][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12224.585848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12224.585848][ T7704] netlink_rcv_skb+0x130/0x360 [12224.585848][ T7704] netlink_unicast+0x449/0x710 [12224.585848][ T7704] netlink_sendmsg+0x723/0xbe0 [12224.585848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12224.585848][ T7704] ___sys_sendmsg+0xee/0x170 [12224.585848][ T7704] __sys_sendmsg+0xcd/0x170 [12224.585848][ T7704] do_syscall_64+0xc6/0x1e0 [12224.585848][ T7704] [12224.588044][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12224.588044][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12224.588044][ T7704] ipv6_find_idev+0x102/0x170 [12224.588044][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12224.588044][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12224.588044][ T7704] netlink_rcv_skb+0x130/0x360 [12224.588044][ T7704] netlink_unicast+0x449/0x710 [12224.588044][ T7704] netlink_sendmsg+0x723/0xbe0 [12224.588044][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12224.588044][ T7704] ___sys_sendmsg+0xee/0x170 [12224.588044][ T7704] __sys_sendmsg+0xcd/0x170 [12224.588044][ T7704] do_syscall_64+0xc6/0x1e0 [12224.588044][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12224.588044][ T7704] [12224.589751][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12224.589751][ T7704] neigh_parms_alloc+0x1e5/0x510 [12224.589751][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12224.589751][ T7704] ipv6_find_idev+0x102/0x170 [12224.589751][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12224.589751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12224.589751][ T7704] netlink_rcv_skb+0x130/0x360 [12224.589751][ T7704] netlink_unicast+0x449/0x710 [12224.589751][ T7704] netlink_sendmsg+0x723/0xbe0 [12224.589751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12224.589751][ T7704] ___sys_sendmsg+0xee/0x170 [12224.589751][ T7704] __sys_sendmsg+0xcd/0x170 [12224.589751][ T7704] do_syscall_64+0xc6/0x1e0 [12224.589751][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12224.589751][ T7704] [12234.844747][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12234.845293][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12234.845293][ T7704] netdev_get_by_index+0x5e/0x80 [12234.845293][ T7704] fib6_nh_init+0x3d8/0x15b0 [12234.845293][ T7704] ip6_route_info_create+0xf18/0x17d0 [12234.845293][ T7704] ip6_route_add+0x1c/0x140 [12234.845293][ T7704] addrconf_prefix_route+0x2a6/0x430 [12234.845293][ T7704] inet6_addr_add+0x4f8/0xa40 [12234.845293][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12234.845293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12234.845293][ T7704] netlink_rcv_skb+0x130/0x360 [12234.845293][ T7704] netlink_unicast+0x449/0x710 [12234.845293][ T7704] netlink_sendmsg+0x723/0xbe0 [12234.845293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12234.845293][ T7704] ___sys_sendmsg+0xee/0x170 [12234.845293][ T7704] __sys_sendmsg+0xcd/0x170 [12234.845293][ T7704] do_syscall_64+0xc6/0x1e0 [12234.845293][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12234.845293][ T7704] [12234.847548][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12234.847548][ T7704] netdev_get_by_index+0x5e/0x80 [12234.847548][ T7704] fib6_nh_init+0x3d8/0x15b0 [12234.847548][ T7704] ip6_route_info_create+0xf18/0x17d0 [12234.847548][ T7704] addrconf_f6i_alloc+0x315/0x560 [12234.847548][ T7704] ipv6_add_addr+0x411/0x2000 [12234.847548][ T7704] inet6_addr_add+0x30e/0xa40 [12234.847548][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12234.847548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12234.847548][ T7704] netlink_rcv_skb+0x130/0x360 [12234.847548][ T7704] netlink_unicast+0x449/0x710 [12234.847548][ T7704] netlink_sendmsg+0x723/0xbe0 [12234.847548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12234.847548][ T7704] ___sys_sendmsg+0xee/0x170 [12234.847548][ T7704] __sys_sendmsg+0xcd/0x170 [12234.847548][ T7704] do_syscall_64+0xc6/0x1e0 [12234.847548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12234.847548][ T7704] [12234.849769][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12234.849769][ T7704] netdev_get_by_index+0x5e/0x80 [12234.849769][ T7704] fib6_nh_init+0x3d8/0x15b0 [12234.849769][ T7704] ip6_route_info_create+0xf18/0x17d0 [12234.849769][ T7704] ip6_route_add+0x1c/0x140 [12234.849769][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12234.849769][ T7704] addrconf_add_dev+0xe2/0x170 [12234.849769][ T7704] inet6_addr_add+0x12f/0xa40 [12234.849769][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12234.849769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12234.849769][ T7704] netlink_rcv_skb+0x130/0x360 [12234.849769][ T7704] netlink_unicast+0x449/0x710 [12234.849769][ T7704] netlink_sendmsg+0x723/0xbe0 [12234.849769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12234.849769][ T7704] ___sys_sendmsg+0xee/0x170 [12234.849769][ T7704] __sys_sendmsg+0xcd/0x170 [12234.849769][ T7704] do_syscall_64+0xc6/0x1e0 [12234.849769][ T7704] [12234.851962][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12234.851962][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12234.851962][ T7704] ipv6_find_idev+0x102/0x170 [12234.851962][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12234.851962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12234.851962][ T7704] netlink_rcv_skb+0x130/0x360 [12234.851962][ T7704] netlink_unicast+0x449/0x710 [12234.851962][ T7704] netlink_sendmsg+0x723/0xbe0 [12234.851962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12234.851962][ T7704] ___sys_sendmsg+0xee/0x170 [12234.851962][ T7704] __sys_sendmsg+0xcd/0x170 [12234.851962][ T7704] do_syscall_64+0xc6/0x1e0 [12234.851962][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12234.851962][ T7704] [12234.853660][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12234.853660][ T7704] neigh_parms_alloc+0x1e5/0x510 [12234.853660][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12234.853660][ T7704] ipv6_find_idev+0x102/0x170 [12234.853660][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12234.853660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12234.853660][ T7704] netlink_rcv_skb+0x130/0x360 [12234.853660][ T7704] netlink_unicast+0x449/0x710 [12234.853660][ T7704] netlink_sendmsg+0x723/0xbe0 [12234.853660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12234.853660][ T7704] ___sys_sendmsg+0xee/0x170 [12234.853660][ T7704] __sys_sendmsg+0xcd/0x170 [12234.853660][ T7704] do_syscall_64+0xc6/0x1e0 [12234.853660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12234.853660][ T7704] [12244.892866][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12244.893425][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12244.893425][ T7704] netdev_get_by_index+0x5e/0x80 [12244.893425][ T7704] fib6_nh_init+0x3d8/0x15b0 [12244.893425][ T7704] ip6_route_info_create+0xf18/0x17d0 [12244.893425][ T7704] ip6_route_add+0x1c/0x140 [12244.893425][ T7704] addrconf_prefix_route+0x2a6/0x430 [12244.893425][ T7704] inet6_addr_add+0x4f8/0xa40 [12244.893425][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12244.893425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12244.893425][ T7704] netlink_rcv_skb+0x130/0x360 [12244.893425][ T7704] netlink_unicast+0x449/0x710 [12244.893425][ T7704] netlink_sendmsg+0x723/0xbe0 [12244.893425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12244.893425][ T7704] ___sys_sendmsg+0xee/0x170 [12244.893425][ T7704] __sys_sendmsg+0xcd/0x170 [12244.893425][ T7704] do_syscall_64+0xc6/0x1e0 [12244.893425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12244.893425][ T7704] [12244.895679][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12244.895679][ T7704] netdev_get_by_index+0x5e/0x80 [12244.895679][ T7704] fib6_nh_init+0x3d8/0x15b0 [12244.895679][ T7704] ip6_route_info_create+0xf18/0x17d0 [12244.895679][ T7704] addrconf_f6i_alloc+0x315/0x560 [12244.895679][ T7704] ipv6_add_addr+0x411/0x2000 [12244.895679][ T7704] inet6_addr_add+0x30e/0xa40 [12244.895679][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12244.895679][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12244.895679][ T7704] netlink_rcv_skb+0x130/0x360 [12244.895679][ T7704] netlink_unicast+0x449/0x710 [12244.895679][ T7704] netlink_sendmsg+0x723/0xbe0 [12244.895679][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12244.895679][ T7704] ___sys_sendmsg+0xee/0x170 [12244.895679][ T7704] __sys_sendmsg+0xcd/0x170 [12244.895679][ T7704] do_syscall_64+0xc6/0x1e0 [12244.895679][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12244.895679][ T7704] [12244.897915][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12244.897915][ T7704] netdev_get_by_index+0x5e/0x80 [12244.897915][ T7704] fib6_nh_init+0x3d8/0x15b0 [12244.897915][ T7704] ip6_route_info_create+0xf18/0x17d0 [12244.897915][ T7704] ip6_route_add+0x1c/0x140 [12244.897915][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12244.897915][ T7704] addrconf_add_dev+0xe2/0x170 [12244.897915][ T7704] inet6_addr_add+0x12f/0xa40 [12244.897915][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12244.897915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12244.897915][ T7704] netlink_rcv_skb+0x130/0x360 [12244.897915][ T7704] netlink_unicast+0x449/0x710 [12244.897915][ T7704] netlink_sendmsg+0x723/0xbe0 [12244.897915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12244.897915][ T7704] ___sys_sendmsg+0xee/0x170 [12244.897915][ T7704] __sys_sendmsg+0xcd/0x170 [12244.897915][ T7704] do_syscall_64+0xc6/0x1e0 [12244.897915][ T7704] [12244.900083][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12244.900083][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12244.900083][ T7704] ipv6_find_idev+0x102/0x170 [12244.900083][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12244.900083][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12244.900083][ T7704] netlink_rcv_skb+0x130/0x360 [12244.900083][ T7704] netlink_unicast+0x449/0x710 [12244.900083][ T7704] netlink_sendmsg+0x723/0xbe0 [12244.900083][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12244.900083][ T7704] ___sys_sendmsg+0xee/0x170 [12244.900083][ T7704] __sys_sendmsg+0xcd/0x170 [12244.900083][ T7704] do_syscall_64+0xc6/0x1e0 [12244.900083][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12244.900083][ T7704] [12244.901798][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12244.901798][ T7704] neigh_parms_alloc+0x1e5/0x510 [12244.901798][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12244.901798][ T7704] ipv6_find_idev+0x102/0x170 [12244.901798][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12244.901798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12244.901798][ T7704] netlink_rcv_skb+0x130/0x360 [12244.901798][ T7704] netlink_unicast+0x449/0x710 [12244.901798][ T7704] netlink_sendmsg+0x723/0xbe0 [12244.901798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12244.901798][ T7704] ___sys_sendmsg+0xee/0x170 [12244.901798][ T7704] __sys_sendmsg+0xcd/0x170 [12244.901798][ T7704] do_syscall_64+0xc6/0x1e0 [12244.901798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12244.901798][ T7704] [12255.148839][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12255.149312][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12255.149312][ T7704] netdev_get_by_index+0x5e/0x80 [12255.149312][ T7704] fib6_nh_init+0x3d8/0x15b0 [12255.149312][ T7704] ip6_route_info_create+0xf18/0x17d0 [12255.149312][ T7704] ip6_route_add+0x1c/0x140 [12255.149312][ T7704] addrconf_prefix_route+0x2a6/0x430 [12255.149312][ T7704] inet6_addr_add+0x4f8/0xa40 [12255.149312][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12255.149312][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12255.149312][ T7704] netlink_rcv_skb+0x130/0x360 [12255.149312][ T7704] netlink_unicast+0x449/0x710 [12255.149312][ T7704] netlink_sendmsg+0x723/0xbe0 [12255.149312][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12255.149312][ T7704] ___sys_sendmsg+0xee/0x170 [12255.149312][ T7704] __sys_sendmsg+0xcd/0x170 [12255.149312][ T7704] do_syscall_64+0xc6/0x1e0 [12255.149312][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12255.149312][ T7704] [12255.151536][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12255.151536][ T7704] netdev_get_by_index+0x5e/0x80 [12255.151536][ T7704] fib6_nh_init+0x3d8/0x15b0 [12255.151536][ T7704] ip6_route_info_create+0xf18/0x17d0 [12255.151536][ T7704] addrconf_f6i_alloc+0x315/0x560 [12255.151536][ T7704] ipv6_add_addr+0x411/0x2000 [12255.151536][ T7704] inet6_addr_add+0x30e/0xa40 [12255.151536][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12255.151536][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12255.151536][ T7704] netlink_rcv_skb+0x130/0x360 [12255.151536][ T7704] netlink_unicast+0x449/0x710 [12255.151536][ T7704] netlink_sendmsg+0x723/0xbe0 [12255.151536][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12255.151536][ T7704] ___sys_sendmsg+0xee/0x170 [12255.151536][ T7704] __sys_sendmsg+0xcd/0x170 [12255.151536][ T7704] do_syscall_64+0xc6/0x1e0 [12255.151536][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12255.151536][ T7704] [12255.153742][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12255.153742][ T7704] netdev_get_by_index+0x5e/0x80 [12255.153742][ T7704] fib6_nh_init+0x3d8/0x15b0 [12255.153742][ T7704] ip6_route_info_create+0xf18/0x17d0 [12255.153742][ T7704] ip6_route_add+0x1c/0x140 [12255.153742][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12255.153742][ T7704] addrconf_add_dev+0xe2/0x170 [12255.153742][ T7704] inet6_addr_add+0x12f/0xa40 [12255.153742][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12255.153742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12255.153742][ T7704] netlink_rcv_skb+0x130/0x360 [12255.153742][ T7704] netlink_unicast+0x449/0x710 [12255.153742][ T7704] netlink_sendmsg+0x723/0xbe0 [12255.153742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12255.153742][ T7704] ___sys_sendmsg+0xee/0x170 [12255.153742][ T7704] __sys_sendmsg+0xcd/0x170 [12255.153742][ T7704] do_syscall_64+0xc6/0x1e0 [12255.153742][ T7704] [12255.155950][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12255.155950][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12255.155950][ T7704] ipv6_find_idev+0x102/0x170 [12255.155950][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12255.155950][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12255.155950][ T7704] netlink_rcv_skb+0x130/0x360 [12255.155950][ T7704] netlink_unicast+0x449/0x710 [12255.155950][ T7704] netlink_sendmsg+0x723/0xbe0 [12255.155950][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12255.155950][ T7704] ___sys_sendmsg+0xee/0x170 [12255.155950][ T7704] __sys_sendmsg+0xcd/0x170 [12255.155950][ T7704] do_syscall_64+0xc6/0x1e0 [12255.155950][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12255.155950][ T7704] [12255.157649][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12255.157649][ T7704] neigh_parms_alloc+0x1e5/0x510 [12255.157649][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12255.157649][ T7704] ipv6_find_idev+0x102/0x170 [12255.157649][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12255.157649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12255.157649][ T7704] netlink_rcv_skb+0x130/0x360 [12255.157649][ T7704] netlink_unicast+0x449/0x710 [12255.157649][ T7704] netlink_sendmsg+0x723/0xbe0 [12255.157649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12255.157649][ T7704] ___sys_sendmsg+0xee/0x170 [12255.157649][ T7704] __sys_sendmsg+0xcd/0x170 [12255.157649][ T7704] do_syscall_64+0xc6/0x1e0 [12255.157649][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12255.157649][ T7704] [12265.276876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12265.277383][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12265.277383][ T7704] netdev_get_by_index+0x5e/0x80 [12265.277383][ T7704] fib6_nh_init+0x3d8/0x15b0 [12265.277383][ T7704] ip6_route_info_create+0xf18/0x17d0 [12265.277383][ T7704] ip6_route_add+0x1c/0x140 [12265.277383][ T7704] addrconf_prefix_route+0x2a6/0x430 [12265.277383][ T7704] inet6_addr_add+0x4f8/0xa40 [12265.277383][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12265.277383][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12265.277383][ T7704] netlink_rcv_skb+0x130/0x360 [12265.277383][ T7704] netlink_unicast+0x449/0x710 [12265.277383][ T7704] netlink_sendmsg+0x723/0xbe0 [12265.277383][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12265.277383][ T7704] ___sys_sendmsg+0xee/0x170 [12265.277383][ T7704] __sys_sendmsg+0xcd/0x170 [12265.277383][ T7704] do_syscall_64+0xc6/0x1e0 [12265.277383][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12265.277383][ T7704] [12265.279681][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12265.279681][ T7704] netdev_get_by_index+0x5e/0x80 [12265.279681][ T7704] fib6_nh_init+0x3d8/0x15b0 [12265.279681][ T7704] ip6_route_info_create+0xf18/0x17d0 [12265.279681][ T7704] addrconf_f6i_alloc+0x315/0x560 [12265.279681][ T7704] ipv6_add_addr+0x411/0x2000 [12265.279681][ T7704] inet6_addr_add+0x30e/0xa40 [12265.279681][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12265.279681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12265.279681][ T7704] netlink_rcv_skb+0x130/0x360 [12265.279681][ T7704] netlink_unicast+0x449/0x710 [12265.279681][ T7704] netlink_sendmsg+0x723/0xbe0 [12265.279681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12265.279681][ T7704] ___sys_sendmsg+0xee/0x170 [12265.279681][ T7704] __sys_sendmsg+0xcd/0x170 [12265.279681][ T7704] do_syscall_64+0xc6/0x1e0 [12265.279681][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12265.279681][ T7704] [12265.281933][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12265.281933][ T7704] netdev_get_by_index+0x5e/0x80 [12265.281933][ T7704] fib6_nh_init+0x3d8/0x15b0 [12265.281933][ T7704] ip6_route_info_create+0xf18/0x17d0 [12265.281933][ T7704] ip6_route_add+0x1c/0x140 [12265.281933][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12265.281933][ T7704] addrconf_add_dev+0xe2/0x170 [12265.281933][ T7704] inet6_addr_add+0x12f/0xa40 [12265.281933][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12265.281933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12265.281933][ T7704] netlink_rcv_skb+0x130/0x360 [12265.281933][ T7704] netlink_unicast+0x449/0x710 [12265.281933][ T7704] netlink_sendmsg+0x723/0xbe0 [12265.281933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12265.281933][ T7704] ___sys_sendmsg+0xee/0x170 [12265.281933][ T7704] __sys_sendmsg+0xcd/0x170 [12265.281933][ T7704] do_syscall_64+0xc6/0x1e0 [12265.281933][ T7704] [12265.284167][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12265.284167][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12265.284167][ T7704] ipv6_find_idev+0x102/0x170 [12265.284167][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12265.284167][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12265.284167][ T7704] netlink_rcv_skb+0x130/0x360 [12265.284167][ T7704] netlink_unicast+0x449/0x710 [12265.284167][ T7704] netlink_sendmsg+0x723/0xbe0 [12265.284167][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12265.284167][ T7704] ___sys_sendmsg+0xee/0x170 [12265.284167][ T7704] __sys_sendmsg+0xcd/0x170 [12265.284167][ T7704] do_syscall_64+0xc6/0x1e0 [12265.284167][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12265.284167][ T7704] [12265.286010][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12265.286010][ T7704] neigh_parms_alloc+0x1e5/0x510 [12265.286010][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12265.286010][ T7704] ipv6_find_idev+0x102/0x170 [12265.286010][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12265.286010][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12265.286010][ T7704] netlink_rcv_skb+0x130/0x360 [12265.286010][ T7704] netlink_unicast+0x449/0x710 [12265.286010][ T7704] netlink_sendmsg+0x723/0xbe0 [12265.286010][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12265.286010][ T7704] ___sys_sendmsg+0xee/0x170 [12265.286010][ T7704] __sys_sendmsg+0xcd/0x170 [12265.286010][ T7704] do_syscall_64+0xc6/0x1e0 [12265.286010][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12265.286010][ T7704] [12275.348843][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12275.349380][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12275.349380][ T7704] netdev_get_by_index+0x5e/0x80 [12275.349380][ T7704] fib6_nh_init+0x3d8/0x15b0 [12275.349380][ T7704] ip6_route_info_create+0xf18/0x17d0 [12275.349380][ T7704] ip6_route_add+0x1c/0x140 [12275.349380][ T7704] addrconf_prefix_route+0x2a6/0x430 [12275.349380][ T7704] inet6_addr_add+0x4f8/0xa40 [12275.349380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12275.349380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12275.349380][ T7704] netlink_rcv_skb+0x130/0x360 [12275.349380][ T7704] netlink_unicast+0x449/0x710 [12275.349380][ T7704] netlink_sendmsg+0x723/0xbe0 [12275.349380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12275.349380][ T7704] ___sys_sendmsg+0xee/0x170 [12275.349380][ T7704] __sys_sendmsg+0xcd/0x170 [12275.349380][ T7704] do_syscall_64+0xc6/0x1e0 [12275.349380][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12275.349380][ T7704] [12275.351725][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12275.351725][ T7704] netdev_get_by_index+0x5e/0x80 [12275.351725][ T7704] fib6_nh_init+0x3d8/0x15b0 [12275.351725][ T7704] ip6_route_info_create+0xf18/0x17d0 [12275.351725][ T7704] addrconf_f6i_alloc+0x315/0x560 [12275.351725][ T7704] ipv6_add_addr+0x411/0x2000 [12275.351725][ T7704] inet6_addr_add+0x30e/0xa40 [12275.351725][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12275.351725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12275.351725][ T7704] netlink_rcv_skb+0x130/0x360 [12275.351725][ T7704] netlink_unicast+0x449/0x710 [12275.351725][ T7704] netlink_sendmsg+0x723/0xbe0 [12275.351725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12275.351725][ T7704] ___sys_sendmsg+0xee/0x170 [12275.351725][ T7704] __sys_sendmsg+0xcd/0x170 [12275.351725][ T7704] do_syscall_64+0xc6/0x1e0 [12275.351725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12275.351725][ T7704] [12275.354029][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12275.354029][ T7704] netdev_get_by_index+0x5e/0x80 [12275.354029][ T7704] fib6_nh_init+0x3d8/0x15b0 [12275.354029][ T7704] ip6_route_info_create+0xf18/0x17d0 [12275.354029][ T7704] ip6_route_add+0x1c/0x140 [12275.354029][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12275.354029][ T7704] addrconf_add_dev+0xe2/0x170 [12275.354029][ T7704] inet6_addr_add+0x12f/0xa40 [12275.354029][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12275.354029][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12275.354029][ T7704] netlink_rcv_skb+0x130/0x360 [12275.354029][ T7704] netlink_unicast+0x449/0x710 [12275.354029][ T7704] netlink_sendmsg+0x723/0xbe0 [12275.354029][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12275.354029][ T7704] ___sys_sendmsg+0xee/0x170 [12275.354029][ T7704] __sys_sendmsg+0xcd/0x170 [12275.354029][ T7704] do_syscall_64+0xc6/0x1e0 [12275.354029][ T7704] [12275.356284][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12275.356284][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12275.356284][ T7704] ipv6_find_idev+0x102/0x170 [12275.356284][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12275.356284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12275.356284][ T7704] netlink_rcv_skb+0x130/0x360 [12275.356284][ T7704] netlink_unicast+0x449/0x710 [12275.356284][ T7704] netlink_sendmsg+0x723/0xbe0 [12275.356284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12275.356284][ T7704] ___sys_sendmsg+0xee/0x170 [12275.356284][ T7704] __sys_sendmsg+0xcd/0x170 [12275.356284][ T7704] do_syscall_64+0xc6/0x1e0 [12275.356284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12275.356284][ T7704] [12275.358056][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12275.358056][ T7704] neigh_parms_alloc+0x1e5/0x510 [12275.358056][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12275.358056][ T7704] ipv6_find_idev+0x102/0x170 [12275.358056][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12275.358056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12275.358056][ T7704] netlink_rcv_skb+0x130/0x360 [12275.358056][ T7704] netlink_unicast+0x449/0x710 [12275.358056][ T7704] netlink_sendmsg+0x723/0xbe0 [12275.358056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12275.358056][ T7704] ___sys_sendmsg+0xee/0x170 [12275.358056][ T7704] __sys_sendmsg+0xcd/0x170 [12275.358056][ T7704] do_syscall_64+0xc6/0x1e0 [12275.358056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12275.358056][ T7704] [12285.596802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12285.597280][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12285.597280][ T7704] netdev_get_by_index+0x5e/0x80 [12285.597280][ T7704] fib6_nh_init+0x3d8/0x15b0 [12285.597280][ T7704] ip6_route_info_create+0xf18/0x17d0 [12285.597280][ T7704] ip6_route_add+0x1c/0x140 [12285.597280][ T7704] addrconf_prefix_route+0x2a6/0x430 [12285.597280][ T7704] inet6_addr_add+0x4f8/0xa40 [12285.597280][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12285.597280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12285.597280][ T7704] netlink_rcv_skb+0x130/0x360 [12285.597280][ T7704] netlink_unicast+0x449/0x710 [12285.597280][ T7704] netlink_sendmsg+0x723/0xbe0 [12285.597280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12285.597280][ T7704] ___sys_sendmsg+0xee/0x170 [12285.597280][ T7704] __sys_sendmsg+0xcd/0x170 [12285.597280][ T7704] do_syscall_64+0xc6/0x1e0 [12285.597280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12285.597280][ T7704] [12285.599694][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12285.599694][ T7704] netdev_get_by_index+0x5e/0x80 [12285.599694][ T7704] fib6_nh_init+0x3d8/0x15b0 [12285.599694][ T7704] ip6_route_info_create+0xf18/0x17d0 [12285.599694][ T7704] addrconf_f6i_alloc+0x315/0x560 [12285.599694][ T7704] ipv6_add_addr+0x411/0x2000 [12285.599694][ T7704] inet6_addr_add+0x30e/0xa40 [12285.599694][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12285.599694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12285.599694][ T7704] netlink_rcv_skb+0x130/0x360 [12285.599694][ T7704] netlink_unicast+0x449/0x710 [12285.599694][ T7704] netlink_sendmsg+0x723/0xbe0 [12285.599694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12285.599694][ T7704] ___sys_sendmsg+0xee/0x170 [12285.599694][ T7704] __sys_sendmsg+0xcd/0x170 [12285.599694][ T7704] do_syscall_64+0xc6/0x1e0 [12285.599694][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12285.599694][ T7704] [12285.602533][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12285.602533][ T7704] netdev_get_by_index+0x5e/0x80 [12285.602533][ T7704] fib6_nh_init+0x3d8/0x15b0 [12285.602533][ T7704] ip6_route_info_create+0xf18/0x17d0 [12285.602533][ T7704] ip6_route_add+0x1c/0x140 [12285.602533][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12285.602533][ T7704] addrconf_add_dev+0xe2/0x170 [12285.602533][ T7704] inet6_addr_add+0x12f/0xa40 [12285.602533][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12285.602533][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12285.602533][ T7704] netlink_rcv_skb+0x130/0x360 [12285.602533][ T7704] netlink_unicast+0x449/0x710 [12285.602533][ T7704] netlink_sendmsg+0x723/0xbe0 [12285.602533][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12285.602533][ T7704] ___sys_sendmsg+0xee/0x170 [12285.602533][ T7704] __sys_sendmsg+0xcd/0x170 [12285.602533][ T7704] do_syscall_64+0xc6/0x1e0 [12285.602533][ T7704] [12285.604763][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12285.604763][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12285.604763][ T7704] ipv6_find_idev+0x102/0x170 [12285.604763][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12285.604763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12285.604763][ T7704] netlink_rcv_skb+0x130/0x360 [12285.604763][ T7704] netlink_unicast+0x449/0x710 [12285.604763][ T7704] netlink_sendmsg+0x723/0xbe0 [12285.604763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12285.604763][ T7704] ___sys_sendmsg+0xee/0x170 [12285.604763][ T7704] __sys_sendmsg+0xcd/0x170 [12285.604763][ T7704] do_syscall_64+0xc6/0x1e0 [12285.604763][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12285.604763][ T7704] [12285.606500][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12285.606500][ T7704] neigh_parms_alloc+0x1e5/0x510 [12285.606500][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12285.606500][ T7704] ipv6_find_idev+0x102/0x170 [12285.606500][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12285.606500][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12285.606500][ T7704] netlink_rcv_skb+0x130/0x360 [12285.606500][ T7704] netlink_unicast+0x449/0x710 [12285.606500][ T7704] netlink_sendmsg+0x723/0xbe0 [12285.606500][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12285.606500][ T7704] ___sys_sendmsg+0xee/0x170 [12285.606500][ T7704] __sys_sendmsg+0xcd/0x170 [12285.606500][ T7704] do_syscall_64+0xc6/0x1e0 [12285.606500][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12285.606500][ T7704] [12295.844838][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12295.845387][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12295.845387][ T7704] netdev_get_by_index+0x5e/0x80 [12295.845387][ T7704] fib6_nh_init+0x3d8/0x15b0 [12295.845387][ T7704] ip6_route_info_create+0xf18/0x17d0 [12295.845387][ T7704] ip6_route_add+0x1c/0x140 [12295.845387][ T7704] addrconf_prefix_route+0x2a6/0x430 [12295.845387][ T7704] inet6_addr_add+0x4f8/0xa40 [12295.845387][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12295.845387][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12295.845387][ T7704] netlink_rcv_skb+0x130/0x360 [12295.845387][ T7704] netlink_unicast+0x449/0x710 [12295.845387][ T7704] netlink_sendmsg+0x723/0xbe0 [12295.845387][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12295.845387][ T7704] ___sys_sendmsg+0xee/0x170 [12295.845387][ T7704] __sys_sendmsg+0xcd/0x170 [12295.845387][ T7704] do_syscall_64+0xc6/0x1e0 [12295.845387][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12295.845387][ T7704] [12295.847651][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12295.847651][ T7704] netdev_get_by_index+0x5e/0x80 [12295.847651][ T7704] fib6_nh_init+0x3d8/0x15b0 [12295.847651][ T7704] ip6_route_info_create+0xf18/0x17d0 [12295.847651][ T7704] addrconf_f6i_alloc+0x315/0x560 [12295.847651][ T7704] ipv6_add_addr+0x411/0x2000 [12295.847651][ T7704] inet6_addr_add+0x30e/0xa40 [12295.847651][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12295.847651][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12295.847651][ T7704] netlink_rcv_skb+0x130/0x360 [12295.847651][ T7704] netlink_unicast+0x449/0x710 [12295.847651][ T7704] netlink_sendmsg+0x723/0xbe0 [12295.847651][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12295.847651][ T7704] ___sys_sendmsg+0xee/0x170 [12295.847651][ T7704] __sys_sendmsg+0xcd/0x170 [12295.847651][ T7704] do_syscall_64+0xc6/0x1e0 [12295.847651][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12295.847651][ T7704] [12295.849875][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12295.849875][ T7704] netdev_get_by_index+0x5e/0x80 [12295.849875][ T7704] fib6_nh_init+0x3d8/0x15b0 [12295.849875][ T7704] ip6_route_info_create+0xf18/0x17d0 [12295.849875][ T7704] ip6_route_add+0x1c/0x140 [12295.849875][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12295.849875][ T7704] addrconf_add_dev+0xe2/0x170 [12295.849875][ T7704] inet6_addr_add+0x12f/0xa40 [12295.849875][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12295.849875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12295.849875][ T7704] netlink_rcv_skb+0x130/0x360 [12295.849875][ T7704] netlink_unicast+0x449/0x710 [12295.849875][ T7704] netlink_sendmsg+0x723/0xbe0 [12295.849875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12295.849875][ T7704] ___sys_sendmsg+0xee/0x170 [12295.849875][ T7704] __sys_sendmsg+0xcd/0x170 [12295.849875][ T7704] do_syscall_64+0xc6/0x1e0 [12295.849875][ T7704] [12295.852055][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12295.852055][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12295.852055][ T7704] ipv6_find_idev+0x102/0x170 [12295.852055][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12295.852055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12295.852055][ T7704] netlink_rcv_skb+0x130/0x360 [12295.852055][ T7704] netlink_unicast+0x449/0x710 [12295.852055][ T7704] netlink_sendmsg+0x723/0xbe0 [12295.852055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12295.852055][ T7704] ___sys_sendmsg+0xee/0x170 [12295.852055][ T7704] __sys_sendmsg+0xcd/0x170 [12295.852055][ T7704] do_syscall_64+0xc6/0x1e0 [12295.852055][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12295.852055][ T7704] [12295.853764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12295.853764][ T7704] neigh_parms_alloc+0x1e5/0x510 [12295.853764][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12295.853764][ T7704] ipv6_find_idev+0x102/0x170 [12295.853764][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12295.853764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12295.853764][ T7704] netlink_rcv_skb+0x130/0x360 [12295.853764][ T7704] netlink_unicast+0x449/0x710 [12295.853764][ T7704] netlink_sendmsg+0x723/0xbe0 [12295.853764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12295.853764][ T7704] ___sys_sendmsg+0xee/0x170 [12295.853764][ T7704] __sys_sendmsg+0xcd/0x170 [12295.853764][ T7704] do_syscall_64+0xc6/0x1e0 [12295.853764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12295.853764][ T7704] [12305.868853][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12305.869306][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12305.869306][ T7704] netdev_get_by_index+0x5e/0x80 [12305.869306][ T7704] fib6_nh_init+0x3d8/0x15b0 [12305.869306][ T7704] ip6_route_info_create+0xf18/0x17d0 [12305.869306][ T7704] ip6_route_add+0x1c/0x140 [12305.869306][ T7704] addrconf_prefix_route+0x2a6/0x430 [12305.869306][ T7704] inet6_addr_add+0x4f8/0xa40 [12305.869306][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12305.869306][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12305.869306][ T7704] netlink_rcv_skb+0x130/0x360 [12305.869306][ T7704] netlink_unicast+0x449/0x710 [12305.869306][ T7704] netlink_sendmsg+0x723/0xbe0 [12305.869306][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12305.869306][ T7704] ___sys_sendmsg+0xee/0x170 [12305.869306][ T7704] __sys_sendmsg+0xcd/0x170 [12305.869306][ T7704] do_syscall_64+0xc6/0x1e0 [12305.869306][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12305.869306][ T7704] [12305.871669][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12305.871669][ T7704] netdev_get_by_index+0x5e/0x80 [12305.871669][ T7704] fib6_nh_init+0x3d8/0x15b0 [12305.871669][ T7704] ip6_route_info_create+0xf18/0x17d0 [12305.871669][ T7704] addrconf_f6i_alloc+0x315/0x560 [12305.871669][ T7704] ipv6_add_addr+0x411/0x2000 [12305.871669][ T7704] inet6_addr_add+0x30e/0xa40 [12305.871669][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12305.871669][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12305.871669][ T7704] netlink_rcv_skb+0x130/0x360 [12305.871669][ T7704] netlink_unicast+0x449/0x710 [12305.871669][ T7704] netlink_sendmsg+0x723/0xbe0 [12305.871669][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12305.871669][ T7704] ___sys_sendmsg+0xee/0x170 [12305.871669][ T7704] __sys_sendmsg+0xcd/0x170 [12305.871669][ T7704] do_syscall_64+0xc6/0x1e0 [12305.871669][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12305.871669][ T7704] [12305.873917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12305.873917][ T7704] netdev_get_by_index+0x5e/0x80 [12305.873917][ T7704] fib6_nh_init+0x3d8/0x15b0 [12305.873917][ T7704] ip6_route_info_create+0xf18/0x17d0 [12305.873917][ T7704] ip6_route_add+0x1c/0x140 [12305.873917][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12305.873917][ T7704] addrconf_add_dev+0xe2/0x170 [12305.873917][ T7704] inet6_addr_add+0x12f/0xa40 [12305.873917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12305.873917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12305.873917][ T7704] netlink_rcv_skb+0x130/0x360 [12305.873917][ T7704] netlink_unicast+0x449/0x710 [12305.873917][ T7704] netlink_sendmsg+0x723/0xbe0 [12305.873917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12305.873917][ T7704] ___sys_sendmsg+0xee/0x170 [12305.873917][ T7704] __sys_sendmsg+0xcd/0x170 [12305.873917][ T7704] do_syscall_64+0xc6/0x1e0 [12305.873917][ T7704] [12305.876117][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12305.876117][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12305.876117][ T7704] ipv6_find_idev+0x102/0x170 [12305.876117][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12305.876117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12305.876117][ T7704] netlink_rcv_skb+0x130/0x360 [12305.876117][ T7704] netlink_unicast+0x449/0x710 [12305.876117][ T7704] netlink_sendmsg+0x723/0xbe0 [12305.876117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12305.876117][ T7704] ___sys_sendmsg+0xee/0x170 [12305.876117][ T7704] __sys_sendmsg+0xcd/0x170 [12305.876117][ T7704] do_syscall_64+0xc6/0x1e0 [12305.876117][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12305.876117][ T7704] [12305.877823][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12305.877823][ T7704] neigh_parms_alloc+0x1e5/0x510 [12305.877823][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12305.877823][ T7704] ipv6_find_idev+0x102/0x170 [12305.877823][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12305.877823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12305.877823][ T7704] netlink_rcv_skb+0x130/0x360 [12305.877823][ T7704] netlink_unicast+0x449/0x710 [12305.877823][ T7704] netlink_sendmsg+0x723/0xbe0 [12305.877823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12305.877823][ T7704] ___sys_sendmsg+0xee/0x170 [12305.877823][ T7704] __sys_sendmsg+0xcd/0x170 [12305.877823][ T7704] do_syscall_64+0xc6/0x1e0 [12305.877823][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12305.877823][ T7704] [12316.020852][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12316.021315][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12316.021315][ T7704] netdev_get_by_index+0x5e/0x80 [12316.021315][ T7704] fib6_nh_init+0x3d8/0x15b0 [12316.021315][ T7704] ip6_route_info_create+0xf18/0x17d0 [12316.021315][ T7704] ip6_route_add+0x1c/0x140 [12316.021315][ T7704] addrconf_prefix_route+0x2a6/0x430 [12316.021315][ T7704] inet6_addr_add+0x4f8/0xa40 [12316.021315][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12316.021315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12316.021315][ T7704] netlink_rcv_skb+0x130/0x360 [12316.021315][ T7704] netlink_unicast+0x449/0x710 [12316.021315][ T7704] netlink_sendmsg+0x723/0xbe0 [12316.021315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12316.021315][ T7704] ___sys_sendmsg+0xee/0x170 [12316.021315][ T7704] __sys_sendmsg+0xcd/0x170 [12316.021315][ T7704] do_syscall_64+0xc6/0x1e0 [12316.021315][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12316.021315][ T7704] [12316.023538][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12316.023538][ T7704] netdev_get_by_index+0x5e/0x80 [12316.023538][ T7704] fib6_nh_init+0x3d8/0x15b0 [12316.023538][ T7704] ip6_route_info_create+0xf18/0x17d0 [12316.023538][ T7704] addrconf_f6i_alloc+0x315/0x560 [12316.023538][ T7704] ipv6_add_addr+0x411/0x2000 [12316.023538][ T7704] inet6_addr_add+0x30e/0xa40 [12316.023538][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12316.023538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12316.023538][ T7704] netlink_rcv_skb+0x130/0x360 [12316.023538][ T7704] netlink_unicast+0x449/0x710 [12316.023538][ T7704] netlink_sendmsg+0x723/0xbe0 [12316.023538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12316.023538][ T7704] ___sys_sendmsg+0xee/0x170 [12316.023538][ T7704] __sys_sendmsg+0xcd/0x170 [12316.023538][ T7704] do_syscall_64+0xc6/0x1e0 [12316.023538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12316.023538][ T7704] [12316.026327][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12316.026327][ T7704] netdev_get_by_index+0x5e/0x80 [12316.026327][ T7704] fib6_nh_init+0x3d8/0x15b0 [12316.026327][ T7704] ip6_route_info_create+0xf18/0x17d0 [12316.026327][ T7704] ip6_route_add+0x1c/0x140 [12316.026327][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12316.026327][ T7704] addrconf_add_dev+0xe2/0x170 [12316.026327][ T7704] inet6_addr_add+0x12f/0xa40 [12316.026327][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12316.026327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12316.026327][ T7704] netlink_rcv_skb+0x130/0x360 [12316.026327][ T7704] netlink_unicast+0x449/0x710 [12316.026327][ T7704] netlink_sendmsg+0x723/0xbe0 [12316.026327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12316.026327][ T7704] ___sys_sendmsg+0xee/0x170 [12316.026327][ T7704] __sys_sendmsg+0xcd/0x170 [12316.026327][ T7704] do_syscall_64+0xc6/0x1e0 [12316.026327][ T7704] [12316.028505][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12316.028505][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12316.028505][ T7704] ipv6_find_idev+0x102/0x170 [12316.028505][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12316.028505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12316.028505][ T7704] netlink_rcv_skb+0x130/0x360 [12316.028505][ T7704] netlink_unicast+0x449/0x710 [12316.028505][ T7704] netlink_sendmsg+0x723/0xbe0 [12316.028505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12316.028505][ T7704] ___sys_sendmsg+0xee/0x170 [12316.028505][ T7704] __sys_sendmsg+0xcd/0x170 [12316.028505][ T7704] do_syscall_64+0xc6/0x1e0 [12316.028505][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12316.028505][ T7704] [12316.030222][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12316.030222][ T7704] neigh_parms_alloc+0x1e5/0x510 [12316.030222][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12316.030222][ T7704] ipv6_find_idev+0x102/0x170 [12316.030222][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12316.030222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12316.030222][ T7704] netlink_rcv_skb+0x130/0x360 [12316.030222][ T7704] netlink_unicast+0x449/0x710 [12316.030222][ T7704] netlink_sendmsg+0x723/0xbe0 [12316.030222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12316.030222][ T7704] ___sys_sendmsg+0xee/0x170 [12316.030222][ T7704] __sys_sendmsg+0xcd/0x170 [12316.030222][ T7704] do_syscall_64+0xc6/0x1e0 [12316.030222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12316.030222][ T7704] [12326.092876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12326.093370][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12326.093370][ T7704] netdev_get_by_index+0x5e/0x80 [12326.093370][ T7704] fib6_nh_init+0x3d8/0x15b0 [12326.093370][ T7704] ip6_route_info_create+0xf18/0x17d0 [12326.093370][ T7704] ip6_route_add+0x1c/0x140 [12326.093370][ T7704] addrconf_prefix_route+0x2a6/0x430 [12326.093370][ T7704] inet6_addr_add+0x4f8/0xa40 [12326.093370][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12326.093370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12326.093370][ T7704] netlink_rcv_skb+0x130/0x360 [12326.093370][ T7704] netlink_unicast+0x449/0x710 [12326.093370][ T7704] netlink_sendmsg+0x723/0xbe0 [12326.093370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12326.093370][ T7704] ___sys_sendmsg+0xee/0x170 [12326.093370][ T7704] __sys_sendmsg+0xcd/0x170 [12326.093370][ T7704] do_syscall_64+0xc6/0x1e0 [12326.093370][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12326.093370][ T7704] [12326.095957][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12326.095957][ T7704] netdev_get_by_index+0x5e/0x80 [12326.095957][ T7704] fib6_nh_init+0x3d8/0x15b0 [12326.095957][ T7704] ip6_route_info_create+0xf18/0x17d0 [12326.095957][ T7704] addrconf_f6i_alloc+0x315/0x560 [12326.095957][ T7704] ipv6_add_addr+0x411/0x2000 [12326.095957][ T7704] inet6_addr_add+0x30e/0xa40 [12326.095957][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12326.095957][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12326.095957][ T7704] netlink_rcv_skb+0x130/0x360 [12326.095957][ T7704] netlink_unicast+0x449/0x710 [12326.095957][ T7704] netlink_sendmsg+0x723/0xbe0 [12326.095957][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12326.095957][ T7704] ___sys_sendmsg+0xee/0x170 [12326.095957][ T7704] __sys_sendmsg+0xcd/0x170 [12326.095957][ T7704] do_syscall_64+0xc6/0x1e0 [12326.095957][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12326.095957][ T7704] [12326.098195][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12326.098195][ T7704] netdev_get_by_index+0x5e/0x80 [12326.098195][ T7704] fib6_nh_init+0x3d8/0x15b0 [12326.098195][ T7704] ip6_route_info_create+0xf18/0x17d0 [12326.098195][ T7704] ip6_route_add+0x1c/0x140 [12326.098195][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12326.098195][ T7704] addrconf_add_dev+0xe2/0x170 [12326.098195][ T7704] inet6_addr_add+0x12f/0xa40 [12326.098195][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12326.098195][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12326.098195][ T7704] netlink_rcv_skb+0x130/0x360 [12326.098195][ T7704] netlink_unicast+0x449/0x710 [12326.098195][ T7704] netlink_sendmsg+0x723/0xbe0 [12326.098195][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12326.098195][ T7704] ___sys_sendmsg+0xee/0x170 [12326.098195][ T7704] __sys_sendmsg+0xcd/0x170 [12326.098195][ T7704] do_syscall_64+0xc6/0x1e0 [12326.098195][ T7704] [12326.100371][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12326.100371][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12326.100371][ T7704] ipv6_find_idev+0x102/0x170 [12326.100371][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12326.100371][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12326.100371][ T7704] netlink_rcv_skb+0x130/0x360 [12326.100371][ T7704] netlink_unicast+0x449/0x710 [12326.100371][ T7704] netlink_sendmsg+0x723/0xbe0 [12326.100371][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12326.100371][ T7704] ___sys_sendmsg+0xee/0x170 [12326.100371][ T7704] __sys_sendmsg+0xcd/0x170 [12326.100371][ T7704] do_syscall_64+0xc6/0x1e0 [12326.100371][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12326.100371][ T7704] [12326.102093][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12326.102093][ T7704] neigh_parms_alloc+0x1e5/0x510 [12326.102093][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12326.102093][ T7704] ipv6_find_idev+0x102/0x170 [12326.102093][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12326.102093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12326.102093][ T7704] netlink_rcv_skb+0x130/0x360 [12326.102093][ T7704] netlink_unicast+0x449/0x710 [12326.102093][ T7704] netlink_sendmsg+0x723/0xbe0 [12326.102093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12326.102093][ T7704] ___sys_sendmsg+0xee/0x170 [12326.102093][ T7704] __sys_sendmsg+0xcd/0x170 [12326.102093][ T7704] do_syscall_64+0xc6/0x1e0 [12326.102093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12326.102093][ T7704] [12336.340759][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12336.341257][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12336.341257][ T7704] netdev_get_by_index+0x5e/0x80 [12336.341257][ T7704] fib6_nh_init+0x3d8/0x15b0 [12336.341257][ T7704] ip6_route_info_create+0xf18/0x17d0 [12336.341257][ T7704] ip6_route_add+0x1c/0x140 [12336.341257][ T7704] addrconf_prefix_route+0x2a6/0x430 [12336.341257][ T7704] inet6_addr_add+0x4f8/0xa40 [12336.341257][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12336.341257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12336.341257][ T7704] netlink_rcv_skb+0x130/0x360 [12336.341257][ T7704] netlink_unicast+0x449/0x710 [12336.341257][ T7704] netlink_sendmsg+0x723/0xbe0 [12336.341257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12336.341257][ T7704] ___sys_sendmsg+0xee/0x170 [12336.341257][ T7704] __sys_sendmsg+0xcd/0x170 [12336.341257][ T7704] do_syscall_64+0xc6/0x1e0 [12336.341257][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12336.341257][ T7704] [12336.343505][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12336.343505][ T7704] netdev_get_by_index+0x5e/0x80 [12336.343505][ T7704] fib6_nh_init+0x3d8/0x15b0 [12336.343505][ T7704] ip6_route_info_create+0xf18/0x17d0 [12336.343505][ T7704] addrconf_f6i_alloc+0x315/0x560 [12336.343505][ T7704] ipv6_add_addr+0x411/0x2000 [12336.343505][ T7704] inet6_addr_add+0x30e/0xa40 [12336.343505][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12336.343505][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12336.343505][ T7704] netlink_rcv_skb+0x130/0x360 [12336.343505][ T7704] netlink_unicast+0x449/0x710 [12336.343505][ T7704] netlink_sendmsg+0x723/0xbe0 [12336.343505][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12336.343505][ T7704] ___sys_sendmsg+0xee/0x170 [12336.343505][ T7704] __sys_sendmsg+0xcd/0x170 [12336.343505][ T7704] do_syscall_64+0xc6/0x1e0 [12336.343505][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12336.343505][ T7704] [12336.345726][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12336.345726][ T7704] netdev_get_by_index+0x5e/0x80 [12336.345726][ T7704] fib6_nh_init+0x3d8/0x15b0 [12336.345726][ T7704] ip6_route_info_create+0xf18/0x17d0 [12336.345726][ T7704] ip6_route_add+0x1c/0x140 [12336.345726][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12336.345726][ T7704] addrconf_add_dev+0xe2/0x170 [12336.345726][ T7704] inet6_addr_add+0x12f/0xa40 [12336.345726][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12336.345726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12336.345726][ T7704] netlink_rcv_skb+0x130/0x360 [12336.345726][ T7704] netlink_unicast+0x449/0x710 [12336.345726][ T7704] netlink_sendmsg+0x723/0xbe0 [12336.345726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12336.345726][ T7704] ___sys_sendmsg+0xee/0x170 [12336.345726][ T7704] __sys_sendmsg+0xcd/0x170 [12336.345726][ T7704] do_syscall_64+0xc6/0x1e0 [12336.345726][ T7704] [12336.347902][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12336.347902][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12336.347902][ T7704] ipv6_find_idev+0x102/0x170 [12336.347902][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12336.347902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12336.347902][ T7704] netlink_rcv_skb+0x130/0x360 [12336.347902][ T7704] netlink_unicast+0x449/0x710 [12336.347902][ T7704] netlink_sendmsg+0x723/0xbe0 [12336.347902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12336.347902][ T7704] ___sys_sendmsg+0xee/0x170 [12336.347902][ T7704] __sys_sendmsg+0xcd/0x170 [12336.347902][ T7704] do_syscall_64+0xc6/0x1e0 [12336.347902][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12336.347902][ T7704] [12336.349600][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12336.349600][ T7704] neigh_parms_alloc+0x1e5/0x510 [12336.349600][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12336.349600][ T7704] ipv6_find_idev+0x102/0x170 [12336.349600][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12336.349600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12336.349600][ T7704] netlink_rcv_skb+0x130/0x360 [12336.349600][ T7704] netlink_unicast+0x449/0x710 [12336.349600][ T7704] netlink_sendmsg+0x723/0xbe0 [12336.349600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12336.349600][ T7704] ___sys_sendmsg+0xee/0x170 [12336.349600][ T7704] __sys_sendmsg+0xcd/0x170 [12336.349600][ T7704] do_syscall_64+0xc6/0x1e0 [12336.349600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12336.349600][ T7704] [12346.588801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12346.589511][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12346.589511][ T7704] netdev_get_by_index+0x5e/0x80 [12346.589511][ T7704] fib6_nh_init+0x3d8/0x15b0 [12346.589511][ T7704] ip6_route_info_create+0xf18/0x17d0 [12346.589511][ T7704] ip6_route_add+0x1c/0x140 [12346.589511][ T7704] addrconf_prefix_route+0x2a6/0x430 [12346.589511][ T7704] inet6_addr_add+0x4f8/0xa40 [12346.589511][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12346.589511][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12346.589511][ T7704] netlink_rcv_skb+0x130/0x360 [12346.589511][ T7704] netlink_unicast+0x449/0x710 [12346.589511][ T7704] netlink_sendmsg+0x723/0xbe0 [12346.589511][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12346.589511][ T7704] ___sys_sendmsg+0xee/0x170 [12346.589511][ T7704] __sys_sendmsg+0xcd/0x170 [12346.589511][ T7704] do_syscall_64+0xc6/0x1e0 [12346.589511][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12346.589511][ T7704] [12346.593107][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12346.593107][ T7704] netdev_get_by_index+0x5e/0x80 [12346.593107][ T7704] fib6_nh_init+0x3d8/0x15b0 [12346.593107][ T7704] ip6_route_info_create+0xf18/0x17d0 [12346.593107][ T7704] addrconf_f6i_alloc+0x315/0x560 [12346.593107][ T7704] ipv6_add_addr+0x411/0x2000 [12346.593107][ T7704] inet6_addr_add+0x30e/0xa40 [12346.593107][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12346.593107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12346.593107][ T7704] netlink_rcv_skb+0x130/0x360 [12346.593107][ T7704] netlink_unicast+0x449/0x710 [12346.593107][ T7704] netlink_sendmsg+0x723/0xbe0 [12346.593107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12346.593107][ T7704] ___sys_sendmsg+0xee/0x170 [12346.593107][ T7704] __sys_sendmsg+0xcd/0x170 [12346.593107][ T7704] do_syscall_64+0xc6/0x1e0 [12346.593107][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12346.593107][ T7704] [12346.596766][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12346.596766][ T7704] netdev_get_by_index+0x5e/0x80 [12346.596766][ T7704] fib6_nh_init+0x3d8/0x15b0 [12346.596766][ T7704] ip6_route_info_create+0xf18/0x17d0 [12346.596766][ T7704] ip6_route_add+0x1c/0x140 [12346.596766][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12346.596766][ T7704] addrconf_add_dev+0xe2/0x170 [12346.596766][ T7704] inet6_addr_add+0x12f/0xa40 [12346.596766][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12346.596766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12346.596766][ T7704] netlink_rcv_skb+0x130/0x360 [12346.596766][ T7704] netlink_unicast+0x449/0x710 [12346.596766][ T7704] netlink_sendmsg+0x723/0xbe0 [12346.596766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12346.596766][ T7704] ___sys_sendmsg+0xee/0x170 [12346.596766][ T7704] __sys_sendmsg+0xcd/0x170 [12346.596766][ T7704] do_syscall_64+0xc6/0x1e0 [12346.596766][ T7704] [12346.600325][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12346.600325][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12346.600325][ T7704] ipv6_find_idev+0x102/0x170 [12346.600325][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12346.600325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12346.600325][ T7704] netlink_rcv_skb+0x130/0x360 [12346.600325][ T7704] netlink_unicast+0x449/0x710 [12346.600325][ T7704] netlink_sendmsg+0x723/0xbe0 [12346.600325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12346.600325][ T7704] ___sys_sendmsg+0xee/0x170 [12346.600325][ T7704] __sys_sendmsg+0xcd/0x170 [12346.600325][ T7704] do_syscall_64+0xc6/0x1e0 [12346.600325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12346.600325][ T7704] [12346.603056][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12346.603056][ T7704] neigh_parms_alloc+0x1e5/0x510 [12346.603056][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12346.603056][ T7704] ipv6_find_idev+0x102/0x170 [12346.603056][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12346.603056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12346.603056][ T7704] netlink_rcv_skb+0x130/0x360 [12346.603056][ T7704] netlink_unicast+0x449/0x710 [12346.603056][ T7704] netlink_sendmsg+0x723/0xbe0 [12346.603056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12346.603056][ T7704] ___sys_sendmsg+0xee/0x170 [12346.603056][ T7704] __sys_sendmsg+0xcd/0x170 [12346.603056][ T7704] do_syscall_64+0xc6/0x1e0 [12346.603056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12346.603056][ T7704] [12356.844764][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12356.845308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12356.845308][ T7704] netdev_get_by_index+0x5e/0x80 [12356.845308][ T7704] fib6_nh_init+0x3d8/0x15b0 [12356.845308][ T7704] ip6_route_info_create+0xf18/0x17d0 [12356.845308][ T7704] ip6_route_add+0x1c/0x140 [12356.845308][ T7704] addrconf_prefix_route+0x2a6/0x430 [12356.845308][ T7704] inet6_addr_add+0x4f8/0xa40 [12356.845308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12356.845308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12356.845308][ T7704] netlink_rcv_skb+0x130/0x360 [12356.845308][ T7704] netlink_unicast+0x449/0x710 [12356.845308][ T7704] netlink_sendmsg+0x723/0xbe0 [12356.845308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12356.845308][ T7704] ___sys_sendmsg+0xee/0x170 [12356.845308][ T7704] __sys_sendmsg+0xcd/0x170 [12356.845308][ T7704] do_syscall_64+0xc6/0x1e0 [12356.845308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12356.845308][ T7704] [12356.847583][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12356.847583][ T7704] netdev_get_by_index+0x5e/0x80 [12356.847583][ T7704] fib6_nh_init+0x3d8/0x15b0 [12356.847583][ T7704] ip6_route_info_create+0xf18/0x17d0 [12356.847583][ T7704] addrconf_f6i_alloc+0x315/0x560 [12356.847583][ T7704] ipv6_add_addr+0x411/0x2000 [12356.847583][ T7704] inet6_addr_add+0x30e/0xa40 [12356.847583][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12356.847583][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12356.847583][ T7704] netlink_rcv_skb+0x130/0x360 [12356.847583][ T7704] netlink_unicast+0x449/0x710 [12356.847583][ T7704] netlink_sendmsg+0x723/0xbe0 [12356.847583][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12356.847583][ T7704] ___sys_sendmsg+0xee/0x170 [12356.847583][ T7704] __sys_sendmsg+0xcd/0x170 [12356.847583][ T7704] do_syscall_64+0xc6/0x1e0 [12356.847583][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12356.847583][ T7704] [12356.849802][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12356.849802][ T7704] netdev_get_by_index+0x5e/0x80 [12356.849802][ T7704] fib6_nh_init+0x3d8/0x15b0 [12356.849802][ T7704] ip6_route_info_create+0xf18/0x17d0 [12356.849802][ T7704] ip6_route_add+0x1c/0x140 [12356.849802][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12356.849802][ T7704] addrconf_add_dev+0xe2/0x170 [12356.849802][ T7704] inet6_addr_add+0x12f/0xa40 [12356.849802][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12356.849802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12356.849802][ T7704] netlink_rcv_skb+0x130/0x360 [12356.849802][ T7704] netlink_unicast+0x449/0x710 [12356.849802][ T7704] netlink_sendmsg+0x723/0xbe0 [12356.849802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12356.849802][ T7704] ___sys_sendmsg+0xee/0x170 [12356.849802][ T7704] __sys_sendmsg+0xcd/0x170 [12356.849802][ T7704] do_syscall_64+0xc6/0x1e0 [12356.849802][ T7704] [12356.851972][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12356.851972][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12356.851972][ T7704] ipv6_find_idev+0x102/0x170 [12356.851972][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12356.851972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12356.851972][ T7704] netlink_rcv_skb+0x130/0x360 [12356.851972][ T7704] netlink_unicast+0x449/0x710 [12356.851972][ T7704] netlink_sendmsg+0x723/0xbe0 [12356.851972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12356.851972][ T7704] ___sys_sendmsg+0xee/0x170 [12356.851972][ T7704] __sys_sendmsg+0xcd/0x170 [12356.851972][ T7704] do_syscall_64+0xc6/0x1e0 [12356.851972][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12356.851972][ T7704] [12356.853706][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12356.853706][ T7704] neigh_parms_alloc+0x1e5/0x510 [12356.853706][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12356.853706][ T7704] ipv6_find_idev+0x102/0x170 [12356.853706][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12356.853706][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12356.853706][ T7704] netlink_rcv_skb+0x130/0x360 [12356.853706][ T7704] netlink_unicast+0x449/0x710 [12356.853706][ T7704] netlink_sendmsg+0x723/0xbe0 [12356.853706][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12356.853706][ T7704] ___sys_sendmsg+0xee/0x170 [12356.853706][ T7704] __sys_sendmsg+0xcd/0x170 [12356.853706][ T7704] do_syscall_64+0xc6/0x1e0 [12356.853706][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12356.853706][ T7704] [12366.940754][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12366.941276][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12366.941276][ T7704] netdev_get_by_index+0x5e/0x80 [12366.941276][ T7704] fib6_nh_init+0x3d8/0x15b0 [12366.941276][ T7704] ip6_route_info_create+0xf18/0x17d0 [12366.941276][ T7704] ip6_route_add+0x1c/0x140 [12366.941276][ T7704] addrconf_prefix_route+0x2a6/0x430 [12366.941276][ T7704] inet6_addr_add+0x4f8/0xa40 [12366.941276][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12366.941276][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12366.941276][ T7704] netlink_rcv_skb+0x130/0x360 [12366.941276][ T7704] netlink_unicast+0x449/0x710 [12366.941276][ T7704] netlink_sendmsg+0x723/0xbe0 [12366.941276][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12366.941276][ T7704] ___sys_sendmsg+0xee/0x170 [12366.941276][ T7704] __sys_sendmsg+0xcd/0x170 [12366.941276][ T7704] do_syscall_64+0xc6/0x1e0 [12366.941276][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12366.941276][ T7704] [12366.943547][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12366.943547][ T7704] netdev_get_by_index+0x5e/0x80 [12366.943547][ T7704] fib6_nh_init+0x3d8/0x15b0 [12366.943547][ T7704] ip6_route_info_create+0xf18/0x17d0 [12366.943547][ T7704] addrconf_f6i_alloc+0x315/0x560 [12366.943547][ T7704] ipv6_add_addr+0x411/0x2000 [12366.943547][ T7704] inet6_addr_add+0x30e/0xa40 [12366.943547][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12366.943547][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12366.943547][ T7704] netlink_rcv_skb+0x130/0x360 [12366.943547][ T7704] netlink_unicast+0x449/0x710 [12366.943547][ T7704] netlink_sendmsg+0x723/0xbe0 [12366.943547][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12366.943547][ T7704] ___sys_sendmsg+0xee/0x170 [12366.943547][ T7704] __sys_sendmsg+0xcd/0x170 [12366.943547][ T7704] do_syscall_64+0xc6/0x1e0 [12366.943547][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12366.943547][ T7704] [12366.945756][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12366.945756][ T7704] netdev_get_by_index+0x5e/0x80 [12366.945756][ T7704] fib6_nh_init+0x3d8/0x15b0 [12366.945756][ T7704] ip6_route_info_create+0xf18/0x17d0 [12366.945756][ T7704] ip6_route_add+0x1c/0x140 [12366.945756][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12366.945756][ T7704] addrconf_add_dev+0xe2/0x170 [12366.945756][ T7704] inet6_addr_add+0x12f/0xa40 [12366.945756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12366.945756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12366.945756][ T7704] netlink_rcv_skb+0x130/0x360 [12366.945756][ T7704] netlink_unicast+0x449/0x710 [12366.945756][ T7704] netlink_sendmsg+0x723/0xbe0 [12366.945756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12366.945756][ T7704] ___sys_sendmsg+0xee/0x170 [12366.945756][ T7704] __sys_sendmsg+0xcd/0x170 [12366.945756][ T7704] do_syscall_64+0xc6/0x1e0 [12366.945756][ T7704] [12366.947921][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12366.947921][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12366.947921][ T7704] ipv6_find_idev+0x102/0x170 [12366.947921][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12366.947921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12366.947921][ T7704] netlink_rcv_skb+0x130/0x360 [12366.947921][ T7704] netlink_unicast+0x449/0x710 [12366.947921][ T7704] netlink_sendmsg+0x723/0xbe0 [12366.947921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12366.947921][ T7704] ___sys_sendmsg+0xee/0x170 [12366.947921][ T7704] __sys_sendmsg+0xcd/0x170 [12366.947921][ T7704] do_syscall_64+0xc6/0x1e0 [12366.947921][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12366.947921][ T7704] [12366.949632][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12366.949632][ T7704] neigh_parms_alloc+0x1e5/0x510 [12366.949632][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12366.949632][ T7704] ipv6_find_idev+0x102/0x170 [12366.949632][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12366.949632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12366.949632][ T7704] netlink_rcv_skb+0x130/0x360 [12366.949632][ T7704] netlink_unicast+0x449/0x710 [12366.949632][ T7704] netlink_sendmsg+0x723/0xbe0 [12366.949632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12366.949632][ T7704] ___sys_sendmsg+0xee/0x170 [12366.949632][ T7704] __sys_sendmsg+0xcd/0x170 [12366.949632][ T7704] do_syscall_64+0xc6/0x1e0 [12366.949632][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12366.949632][ T7704] [12377.196865][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12377.197405][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12377.197405][ T7704] netdev_get_by_index+0x5e/0x80 [12377.197405][ T7704] fib6_nh_init+0x3d8/0x15b0 [12377.197405][ T7704] ip6_route_info_create+0xf18/0x17d0 [12377.197405][ T7704] ip6_route_add+0x1c/0x140 [12377.197405][ T7704] addrconf_prefix_route+0x2a6/0x430 [12377.197405][ T7704] inet6_addr_add+0x4f8/0xa40 [12377.197405][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12377.197405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12377.197405][ T7704] netlink_rcv_skb+0x130/0x360 [12377.197405][ T7704] netlink_unicast+0x449/0x710 [12377.197405][ T7704] netlink_sendmsg+0x723/0xbe0 [12377.197405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12377.197405][ T7704] ___sys_sendmsg+0xee/0x170 [12377.197405][ T7704] __sys_sendmsg+0xcd/0x170 [12377.197405][ T7704] do_syscall_64+0xc6/0x1e0 [12377.197405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12377.197405][ T7704] [12377.199634][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12377.199634][ T7704] netdev_get_by_index+0x5e/0x80 [12377.199634][ T7704] fib6_nh_init+0x3d8/0x15b0 [12377.199634][ T7704] ip6_route_info_create+0xf18/0x17d0 [12377.199634][ T7704] addrconf_f6i_alloc+0x315/0x560 [12377.199634][ T7704] ipv6_add_addr+0x411/0x2000 [12377.199634][ T7704] inet6_addr_add+0x30e/0xa40 [12377.199634][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12377.199634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12377.199634][ T7704] netlink_rcv_skb+0x130/0x360 [12377.199634][ T7704] netlink_unicast+0x449/0x710 [12377.199634][ T7704] netlink_sendmsg+0x723/0xbe0 [12377.199634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12377.199634][ T7704] ___sys_sendmsg+0xee/0x170 [12377.199634][ T7704] __sys_sendmsg+0xcd/0x170 [12377.199634][ T7704] do_syscall_64+0xc6/0x1e0 [12377.199634][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12377.199634][ T7704] [12377.201858][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12377.201858][ T7704] netdev_get_by_index+0x5e/0x80 [12377.201858][ T7704] fib6_nh_init+0x3d8/0x15b0 [12377.201858][ T7704] ip6_route_info_create+0xf18/0x17d0 [12377.201858][ T7704] ip6_route_add+0x1c/0x140 [12377.201858][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12377.201858][ T7704] addrconf_add_dev+0xe2/0x170 [12377.201858][ T7704] inet6_addr_add+0x12f/0xa40 [12377.201858][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12377.201858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12377.201858][ T7704] netlink_rcv_skb+0x130/0x360 [12377.201858][ T7704] netlink_unicast+0x449/0x710 [12377.201858][ T7704] netlink_sendmsg+0x723/0xbe0 [12377.201858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12377.201858][ T7704] ___sys_sendmsg+0xee/0x170 [12377.201858][ T7704] __sys_sendmsg+0xcd/0x170 [12377.201858][ T7704] do_syscall_64+0xc6/0x1e0 [12377.201858][ T7704] [12377.204052][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12377.204052][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12377.204052][ T7704] ipv6_find_idev+0x102/0x170 [12377.204052][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12377.204052][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12377.204052][ T7704] netlink_rcv_skb+0x130/0x360 [12377.204052][ T7704] netlink_unicast+0x449/0x710 [12377.204052][ T7704] netlink_sendmsg+0x723/0xbe0 [12377.204052][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12377.204052][ T7704] ___sys_sendmsg+0xee/0x170 [12377.204052][ T7704] __sys_sendmsg+0xcd/0x170 [12377.204052][ T7704] do_syscall_64+0xc6/0x1e0 [12377.204052][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12377.204052][ T7704] [12377.205758][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12377.205758][ T7704] neigh_parms_alloc+0x1e5/0x510 [12377.205758][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12377.205758][ T7704] ipv6_find_idev+0x102/0x170 [12377.205758][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12377.205758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12377.205758][ T7704] netlink_rcv_skb+0x130/0x360 [12377.205758][ T7704] netlink_unicast+0x449/0x710 [12377.205758][ T7704] netlink_sendmsg+0x723/0xbe0 [12377.205758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12377.205758][ T7704] ___sys_sendmsg+0xee/0x170 [12377.205758][ T7704] __sys_sendmsg+0xcd/0x170 [12377.205758][ T7704] do_syscall_64+0xc6/0x1e0 [12377.205758][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12377.205758][ T7704] [12387.356846][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12387.357325][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12387.357325][ T7704] netdev_get_by_index+0x5e/0x80 [12387.357325][ T7704] fib6_nh_init+0x3d8/0x15b0 [12387.357325][ T7704] ip6_route_info_create+0xf18/0x17d0 [12387.357325][ T7704] ip6_route_add+0x1c/0x140 [12387.357325][ T7704] addrconf_prefix_route+0x2a6/0x430 [12387.357325][ T7704] inet6_addr_add+0x4f8/0xa40 [12387.357325][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12387.357325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12387.357325][ T7704] netlink_rcv_skb+0x130/0x360 [12387.357325][ T7704] netlink_unicast+0x449/0x710 [12387.357325][ T7704] netlink_sendmsg+0x723/0xbe0 [12387.357325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12387.357325][ T7704] ___sys_sendmsg+0xee/0x170 [12387.357325][ T7704] __sys_sendmsg+0xcd/0x170 [12387.357325][ T7704] do_syscall_64+0xc6/0x1e0 [12387.357325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12387.357325][ T7704] [12387.359818][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12387.359818][ T7704] netdev_get_by_index+0x5e/0x80 [12387.359818][ T7704] fib6_nh_init+0x3d8/0x15b0 [12387.359818][ T7704] ip6_route_info_create+0xf18/0x17d0 [12387.359818][ T7704] addrconf_f6i_alloc+0x315/0x560 [12387.359818][ T7704] ipv6_add_addr+0x411/0x2000 [12387.359818][ T7704] inet6_addr_add+0x30e/0xa40 [12387.359818][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12387.359818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12387.359818][ T7704] netlink_rcv_skb+0x130/0x360 [12387.359818][ T7704] netlink_unicast+0x449/0x710 [12387.359818][ T7704] netlink_sendmsg+0x723/0xbe0 [12387.359818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12387.359818][ T7704] ___sys_sendmsg+0xee/0x170 [12387.359818][ T7704] __sys_sendmsg+0xcd/0x170 [12387.359818][ T7704] do_syscall_64+0xc6/0x1e0 [12387.359818][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12387.359818][ T7704] [12387.362234][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12387.362234][ T7704] netdev_get_by_index+0x5e/0x80 [12387.362234][ T7704] fib6_nh_init+0x3d8/0x15b0 [12387.362234][ T7704] ip6_route_info_create+0xf18/0x17d0 [12387.362234][ T7704] ip6_route_add+0x1c/0x140 [12387.362234][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12387.362234][ T7704] addrconf_add_dev+0xe2/0x170 [12387.362234][ T7704] inet6_addr_add+0x12f/0xa40 [12387.362234][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12387.362234][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12387.362234][ T7704] netlink_rcv_skb+0x130/0x360 [12387.362234][ T7704] netlink_unicast+0x449/0x710 [12387.362234][ T7704] netlink_sendmsg+0x723/0xbe0 [12387.362234][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12387.362234][ T7704] ___sys_sendmsg+0xee/0x170 [12387.362234][ T7704] __sys_sendmsg+0xcd/0x170 [12387.362234][ T7704] do_syscall_64+0xc6/0x1e0 [12387.362234][ T7704] [12387.364617][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12387.364617][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12387.364617][ T7704] ipv6_find_idev+0x102/0x170 [12387.364617][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12387.364617][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12387.364617][ T7704] netlink_rcv_skb+0x130/0x360 [12387.364617][ T7704] netlink_unicast+0x449/0x710 [12387.364617][ T7704] netlink_sendmsg+0x723/0xbe0 [12387.364617][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12387.364617][ T7704] ___sys_sendmsg+0xee/0x170 [12387.364617][ T7704] __sys_sendmsg+0xcd/0x170 [12387.364617][ T7704] do_syscall_64+0xc6/0x1e0 [12387.364617][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12387.364617][ T7704] [12387.366492][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12387.366492][ T7704] neigh_parms_alloc+0x1e5/0x510 [12387.366492][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12387.366492][ T7704] ipv6_find_idev+0x102/0x170 [12387.366492][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12387.366492][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12387.366492][ T7704] netlink_rcv_skb+0x130/0x360 [12387.366492][ T7704] netlink_unicast+0x449/0x710 [12387.366492][ T7704] netlink_sendmsg+0x723/0xbe0 [12387.366492][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12387.366492][ T7704] ___sys_sendmsg+0xee/0x170 [12387.366492][ T7704] __sys_sendmsg+0xcd/0x170 [12387.366492][ T7704] do_syscall_64+0xc6/0x1e0 [12387.366492][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12387.366492][ T7704] [12397.604889][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12397.605563][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12397.605563][ T7704] netdev_get_by_index+0x5e/0x80 [12397.605563][ T7704] fib6_nh_init+0x3d8/0x15b0 [12397.605563][ T7704] ip6_route_info_create+0xf18/0x17d0 [12397.605563][ T7704] ip6_route_add+0x1c/0x140 [12397.605563][ T7704] addrconf_prefix_route+0x2a6/0x430 [12397.605563][ T7704] inet6_addr_add+0x4f8/0xa40 [12397.605563][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12397.605563][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12397.605563][ T7704] netlink_rcv_skb+0x130/0x360 [12397.605563][ T7704] netlink_unicast+0x449/0x710 [12397.605563][ T7704] netlink_sendmsg+0x723/0xbe0 [12397.605563][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12397.605563][ T7704] ___sys_sendmsg+0xee/0x170 [12397.605563][ T7704] __sys_sendmsg+0xcd/0x170 [12397.605563][ T7704] do_syscall_64+0xc6/0x1e0 [12397.605563][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12397.605563][ T7704] [12397.607874][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12397.607874][ T7704] netdev_get_by_index+0x5e/0x80 [12397.607874][ T7704] fib6_nh_init+0x3d8/0x15b0 [12397.607874][ T7704] ip6_route_info_create+0xf18/0x17d0 [12397.607874][ T7704] addrconf_f6i_alloc+0x315/0x560 [12397.607874][ T7704] ipv6_add_addr+0x411/0x2000 [12397.607874][ T7704] inet6_addr_add+0x30e/0xa40 [12397.607874][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12397.607874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12397.607874][ T7704] netlink_rcv_skb+0x130/0x360 [12397.607874][ T7704] netlink_unicast+0x449/0x710 [12397.607874][ T7704] netlink_sendmsg+0x723/0xbe0 [12397.607874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12397.607874][ T7704] ___sys_sendmsg+0xee/0x170 [12397.607874][ T7704] __sys_sendmsg+0xcd/0x170 [12397.607874][ T7704] do_syscall_64+0xc6/0x1e0 [12397.607874][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12397.607874][ T7704] [12397.610130][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12397.610130][ T7704] netdev_get_by_index+0x5e/0x80 [12397.610130][ T7704] fib6_nh_init+0x3d8/0x15b0 [12397.610130][ T7704] ip6_route_info_create+0xf18/0x17d0 [12397.610130][ T7704] ip6_route_add+0x1c/0x140 [12397.610130][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12397.610130][ T7704] addrconf_add_dev+0xe2/0x170 [12397.610130][ T7704] inet6_addr_add+0x12f/0xa40 [12397.610130][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12397.610130][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12397.610130][ T7704] netlink_rcv_skb+0x130/0x360 [12397.610130][ T7704] netlink_unicast+0x449/0x710 [12397.610130][ T7704] netlink_sendmsg+0x723/0xbe0 [12397.610130][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12397.610130][ T7704] ___sys_sendmsg+0xee/0x170 [12397.610130][ T7704] __sys_sendmsg+0xcd/0x170 [12397.610130][ T7704] do_syscall_64+0xc6/0x1e0 [12397.610130][ T7704] [12397.612337][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12397.612337][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12397.612337][ T7704] ipv6_find_idev+0x102/0x170 [12397.612337][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12397.612337][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12397.612337][ T7704] netlink_rcv_skb+0x130/0x360 [12397.612337][ T7704] netlink_unicast+0x449/0x710 [12397.612337][ T7704] netlink_sendmsg+0x723/0xbe0 [12397.612337][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12397.612337][ T7704] ___sys_sendmsg+0xee/0x170 [12397.612337][ T7704] __sys_sendmsg+0xcd/0x170 [12397.612337][ T7704] do_syscall_64+0xc6/0x1e0 [12397.612337][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12397.612337][ T7704] [12397.614064][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12397.614064][ T7704] neigh_parms_alloc+0x1e5/0x510 [12397.614064][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12397.614064][ T7704] ipv6_find_idev+0x102/0x170 [12397.614064][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12397.614064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12397.614064][ T7704] netlink_rcv_skb+0x130/0x360 [12397.614064][ T7704] netlink_unicast+0x449/0x710 [12397.614064][ T7704] netlink_sendmsg+0x723/0xbe0 [12397.614064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12397.614064][ T7704] ___sys_sendmsg+0xee/0x170 [12397.614064][ T7704] __sys_sendmsg+0xcd/0x170 [12397.614064][ T7704] do_syscall_64+0xc6/0x1e0 [12397.614064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12397.614064][ T7704] [12407.868774][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12407.869364][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12407.869364][ T7704] netdev_get_by_index+0x5e/0x80 [12407.869364][ T7704] fib6_nh_init+0x3d8/0x15b0 [12407.869364][ T7704] ip6_route_info_create+0xf18/0x17d0 [12407.869364][ T7704] ip6_route_add+0x1c/0x140 [12407.869364][ T7704] addrconf_prefix_route+0x2a6/0x430 [12407.869364][ T7704] inet6_addr_add+0x4f8/0xa40 [12407.869364][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12407.869364][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12407.869364][ T7704] netlink_rcv_skb+0x130/0x360 [12407.869364][ T7704] netlink_unicast+0x449/0x710 [12407.869364][ T7704] netlink_sendmsg+0x723/0xbe0 [12407.869364][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12407.869364][ T7704] ___sys_sendmsg+0xee/0x170 [12407.869364][ T7704] __sys_sendmsg+0xcd/0x170 [12407.869364][ T7704] do_syscall_64+0xc6/0x1e0 [12407.869364][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12407.869364][ T7704] [12407.871755][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12407.871755][ T7704] netdev_get_by_index+0x5e/0x80 [12407.871755][ T7704] fib6_nh_init+0x3d8/0x15b0 [12407.871755][ T7704] ip6_route_info_create+0xf18/0x17d0 [12407.871755][ T7704] addrconf_f6i_alloc+0x315/0x560 [12407.871755][ T7704] ipv6_add_addr+0x411/0x2000 [12407.871755][ T7704] inet6_addr_add+0x30e/0xa40 [12407.871755][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12407.871755][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12407.871755][ T7704] netlink_rcv_skb+0x130/0x360 [12407.871755][ T7704] netlink_unicast+0x449/0x710 [12407.871755][ T7704] netlink_sendmsg+0x723/0xbe0 [12407.871755][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12407.871755][ T7704] ___sys_sendmsg+0xee/0x170 [12407.871755][ T7704] __sys_sendmsg+0xcd/0x170 [12407.871755][ T7704] do_syscall_64+0xc6/0x1e0 [12407.871755][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12407.871755][ T7704] [12407.874075][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12407.874075][ T7704] netdev_get_by_index+0x5e/0x80 [12407.874075][ T7704] fib6_nh_init+0x3d8/0x15b0 [12407.874075][ T7704] ip6_route_info_create+0xf18/0x17d0 [12407.874075][ T7704] ip6_route_add+0x1c/0x140 [12407.874075][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12407.874075][ T7704] addrconf_add_dev+0xe2/0x170 [12407.874075][ T7704] inet6_addr_add+0x12f/0xa40 [12407.874075][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12407.874075][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12407.874075][ T7704] netlink_rcv_skb+0x130/0x360 [12407.874075][ T7704] netlink_unicast+0x449/0x710 [12407.874075][ T7704] netlink_sendmsg+0x723/0xbe0 [12407.874075][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12407.874075][ T7704] ___sys_sendmsg+0xee/0x170 [12407.874075][ T7704] __sys_sendmsg+0xcd/0x170 [12407.874075][ T7704] do_syscall_64+0xc6/0x1e0 [12407.874075][ T7704] [12407.876308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12407.876308][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12407.876308][ T7704] ipv6_find_idev+0x102/0x170 [12407.876308][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12407.876308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12407.876308][ T7704] netlink_rcv_skb+0x130/0x360 [12407.876308][ T7704] netlink_unicast+0x449/0x710 [12407.876308][ T7704] netlink_sendmsg+0x723/0xbe0 [12407.876308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12407.876308][ T7704] ___sys_sendmsg+0xee/0x170 [12407.876308][ T7704] __sys_sendmsg+0xcd/0x170 [12407.876308][ T7704] do_syscall_64+0xc6/0x1e0 [12407.876308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12407.876308][ T7704] [12407.878044][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12407.878044][ T7704] neigh_parms_alloc+0x1e5/0x510 [12407.878044][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12407.878044][ T7704] ipv6_find_idev+0x102/0x170 [12407.878044][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12407.878044][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12407.878044][ T7704] netlink_rcv_skb+0x130/0x360 [12407.878044][ T7704] netlink_unicast+0x449/0x710 [12407.878044][ T7704] netlink_sendmsg+0x723/0xbe0 [12407.878044][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12407.878044][ T7704] ___sys_sendmsg+0xee/0x170 [12407.878044][ T7704] __sys_sendmsg+0xcd/0x170 [12407.878044][ T7704] do_syscall_64+0xc6/0x1e0 [12407.878044][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12407.878044][ T7704] [12418.084901][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12418.085396][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12418.085396][ T7704] netdev_get_by_index+0x5e/0x80 [12418.085396][ T7704] fib6_nh_init+0x3d8/0x15b0 [12418.085396][ T7704] ip6_route_info_create+0xf18/0x17d0 [12418.085396][ T7704] ip6_route_add+0x1c/0x140 [12418.085396][ T7704] addrconf_prefix_route+0x2a6/0x430 [12418.085396][ T7704] inet6_addr_add+0x4f8/0xa40 [12418.085396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12418.085396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12418.085396][ T7704] netlink_rcv_skb+0x130/0x360 [12418.085396][ T7704] netlink_unicast+0x449/0x710 [12418.085396][ T7704] netlink_sendmsg+0x723/0xbe0 [12418.085396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12418.085396][ T7704] ___sys_sendmsg+0xee/0x170 [12418.085396][ T7704] __sys_sendmsg+0xcd/0x170 [12418.085396][ T7704] do_syscall_64+0xc6/0x1e0 [12418.085396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12418.085396][ T7704] [12418.087679][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12418.087679][ T7704] netdev_get_by_index+0x5e/0x80 [12418.087679][ T7704] fib6_nh_init+0x3d8/0x15b0 [12418.087679][ T7704] ip6_route_info_create+0xf18/0x17d0 [12418.087679][ T7704] addrconf_f6i_alloc+0x315/0x560 [12418.087679][ T7704] ipv6_add_addr+0x411/0x2000 [12418.087679][ T7704] inet6_addr_add+0x30e/0xa40 [12418.087679][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12418.087679][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12418.087679][ T7704] netlink_rcv_skb+0x130/0x360 [12418.087679][ T7704] netlink_unicast+0x449/0x710 [12418.087679][ T7704] netlink_sendmsg+0x723/0xbe0 [12418.087679][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12418.087679][ T7704] ___sys_sendmsg+0xee/0x170 [12418.087679][ T7704] __sys_sendmsg+0xcd/0x170 [12418.087679][ T7704] do_syscall_64+0xc6/0x1e0 [12418.087679][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12418.087679][ T7704] [12418.089922][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12418.089922][ T7704] netdev_get_by_index+0x5e/0x80 [12418.089922][ T7704] fib6_nh_init+0x3d8/0x15b0 [12418.089922][ T7704] ip6_route_info_create+0xf18/0x17d0 [12418.089922][ T7704] ip6_route_add+0x1c/0x140 [12418.089922][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12418.089922][ T7704] addrconf_add_dev+0xe2/0x170 [12418.089922][ T7704] inet6_addr_add+0x12f/0xa40 [12418.089922][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12418.089922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12418.089922][ T7704] netlink_rcv_skb+0x130/0x360 [12418.089922][ T7704] netlink_unicast+0x449/0x710 [12418.089922][ T7704] netlink_sendmsg+0x723/0xbe0 [12418.089922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12418.089922][ T7704] ___sys_sendmsg+0xee/0x170 [12418.089922][ T7704] __sys_sendmsg+0xcd/0x170 [12418.089922][ T7704] do_syscall_64+0xc6/0x1e0 [12418.089922][ T7704] [12418.092116][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12418.092116][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12418.092116][ T7704] ipv6_find_idev+0x102/0x170 [12418.092116][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12418.092116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12418.092116][ T7704] netlink_rcv_skb+0x130/0x360 [12418.092116][ T7704] netlink_unicast+0x449/0x710 [12418.092116][ T7704] netlink_sendmsg+0x723/0xbe0 [12418.092116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12418.092116][ T7704] ___sys_sendmsg+0xee/0x170 [12418.092116][ T7704] __sys_sendmsg+0xcd/0x170 [12418.092116][ T7704] do_syscall_64+0xc6/0x1e0 [12418.092116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12418.092116][ T7704] [12418.093859][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12418.093859][ T7704] neigh_parms_alloc+0x1e5/0x510 [12418.093859][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12418.093859][ T7704] ipv6_find_idev+0x102/0x170 [12418.093859][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12418.093859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12418.093859][ T7704] netlink_rcv_skb+0x130/0x360 [12418.093859][ T7704] netlink_unicast+0x449/0x710 [12418.093859][ T7704] netlink_sendmsg+0x723/0xbe0 [12418.093859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12418.093859][ T7704] ___sys_sendmsg+0xee/0x170 [12418.093859][ T7704] __sys_sendmsg+0xcd/0x170 [12418.093859][ T7704] do_syscall_64+0xc6/0x1e0 [12418.093859][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12418.093859][ T7704] [12428.268876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12428.269400][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12428.269400][ T7704] netdev_get_by_index+0x5e/0x80 [12428.269400][ T7704] fib6_nh_init+0x3d8/0x15b0 [12428.269400][ T7704] ip6_route_info_create+0xf18/0x17d0 [12428.269400][ T7704] ip6_route_add+0x1c/0x140 [12428.269400][ T7704] addrconf_prefix_route+0x2a6/0x430 [12428.269400][ T7704] inet6_addr_add+0x4f8/0xa40 [12428.269400][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12428.269400][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12428.269400][ T7704] netlink_rcv_skb+0x130/0x360 [12428.269400][ T7704] netlink_unicast+0x449/0x710 [12428.269400][ T7704] netlink_sendmsg+0x723/0xbe0 [12428.269400][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12428.269400][ T7704] ___sys_sendmsg+0xee/0x170 [12428.269400][ T7704] __sys_sendmsg+0xcd/0x170 [12428.269400][ T7704] do_syscall_64+0xc6/0x1e0 [12428.269400][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12428.269400][ T7704] [12428.271640][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12428.271640][ T7704] netdev_get_by_index+0x5e/0x80 [12428.271640][ T7704] fib6_nh_init+0x3d8/0x15b0 [12428.271640][ T7704] ip6_route_info_create+0xf18/0x17d0 [12428.271640][ T7704] addrconf_f6i_alloc+0x315/0x560 [12428.271640][ T7704] ipv6_add_addr+0x411/0x2000 [12428.271640][ T7704] inet6_addr_add+0x30e/0xa40 [12428.271640][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12428.271640][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12428.271640][ T7704] netlink_rcv_skb+0x130/0x360 [12428.271640][ T7704] netlink_unicast+0x449/0x710 [12428.271640][ T7704] netlink_sendmsg+0x723/0xbe0 [12428.271640][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12428.271640][ T7704] ___sys_sendmsg+0xee/0x170 [12428.271640][ T7704] __sys_sendmsg+0xcd/0x170 [12428.271640][ T7704] do_syscall_64+0xc6/0x1e0 [12428.271640][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12428.271640][ T7704] [12428.273859][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12428.273859][ T7704] netdev_get_by_index+0x5e/0x80 [12428.273859][ T7704] fib6_nh_init+0x3d8/0x15b0 [12428.273859][ T7704] ip6_route_info_create+0xf18/0x17d0 [12428.273859][ T7704] ip6_route_add+0x1c/0x140 [12428.273859][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12428.273859][ T7704] addrconf_add_dev+0xe2/0x170 [12428.273859][ T7704] inet6_addr_add+0x12f/0xa40 [12428.273859][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12428.273859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12428.273859][ T7704] netlink_rcv_skb+0x130/0x360 [12428.273859][ T7704] netlink_unicast+0x449/0x710 [12428.273859][ T7704] netlink_sendmsg+0x723/0xbe0 [12428.273859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12428.273859][ T7704] ___sys_sendmsg+0xee/0x170 [12428.273859][ T7704] __sys_sendmsg+0xcd/0x170 [12428.273859][ T7704] do_syscall_64+0xc6/0x1e0 [12428.273859][ T7704] [12428.276028][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12428.276028][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12428.276028][ T7704] ipv6_find_idev+0x102/0x170 [12428.276028][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12428.276028][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12428.276028][ T7704] netlink_rcv_skb+0x130/0x360 [12428.276028][ T7704] netlink_unicast+0x449/0x710 [12428.276028][ T7704] netlink_sendmsg+0x723/0xbe0 [12428.276028][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12428.276028][ T7704] ___sys_sendmsg+0xee/0x170 [12428.276028][ T7704] __sys_sendmsg+0xcd/0x170 [12428.276028][ T7704] do_syscall_64+0xc6/0x1e0 [12428.276028][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12428.276028][ T7704] [12428.277736][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12428.277736][ T7704] neigh_parms_alloc+0x1e5/0x510 [12428.277736][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12428.277736][ T7704] ipv6_find_idev+0x102/0x170 [12428.277736][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12428.277736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12428.277736][ T7704] netlink_rcv_skb+0x130/0x360 [12428.277736][ T7704] netlink_unicast+0x449/0x710 [12428.277736][ T7704] netlink_sendmsg+0x723/0xbe0 [12428.277736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12428.277736][ T7704] ___sys_sendmsg+0xee/0x170 [12428.277736][ T7704] __sys_sendmsg+0xcd/0x170 [12428.277736][ T7704] do_syscall_64+0xc6/0x1e0 [12428.277736][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12428.277736][ T7704] [12438.380805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12438.381339][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12438.381339][ T7704] netdev_get_by_index+0x5e/0x80 [12438.381339][ T7704] fib6_nh_init+0x3d8/0x15b0 [12438.381339][ T7704] ip6_route_info_create+0xf18/0x17d0 [12438.381339][ T7704] ip6_route_add+0x1c/0x140 [12438.381339][ T7704] addrconf_prefix_route+0x2a6/0x430 [12438.381339][ T7704] inet6_addr_add+0x4f8/0xa40 [12438.381339][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12438.381339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12438.381339][ T7704] netlink_rcv_skb+0x130/0x360 [12438.381339][ T7704] netlink_unicast+0x449/0x710 [12438.381339][ T7704] netlink_sendmsg+0x723/0xbe0 [12438.381339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12438.381339][ T7704] ___sys_sendmsg+0xee/0x170 [12438.381339][ T7704] __sys_sendmsg+0xcd/0x170 [12438.381339][ T7704] do_syscall_64+0xc6/0x1e0 [12438.381339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12438.381339][ T7704] [12438.383606][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12438.383606][ T7704] netdev_get_by_index+0x5e/0x80 [12438.383606][ T7704] fib6_nh_init+0x3d8/0x15b0 [12438.383606][ T7704] ip6_route_info_create+0xf18/0x17d0 [12438.383606][ T7704] addrconf_f6i_alloc+0x315/0x560 [12438.383606][ T7704] ipv6_add_addr+0x411/0x2000 [12438.383606][ T7704] inet6_addr_add+0x30e/0xa40 [12438.383606][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12438.383606][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12438.383606][ T7704] netlink_rcv_skb+0x130/0x360 [12438.383606][ T7704] netlink_unicast+0x449/0x710 [12438.383606][ T7704] netlink_sendmsg+0x723/0xbe0 [12438.383606][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12438.383606][ T7704] ___sys_sendmsg+0xee/0x170 [12438.383606][ T7704] __sys_sendmsg+0xcd/0x170 [12438.383606][ T7704] do_syscall_64+0xc6/0x1e0 [12438.383606][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12438.383606][ T7704] [12438.385860][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12438.385860][ T7704] netdev_get_by_index+0x5e/0x80 [12438.385860][ T7704] fib6_nh_init+0x3d8/0x15b0 [12438.385860][ T7704] ip6_route_info_create+0xf18/0x17d0 [12438.385860][ T7704] ip6_route_add+0x1c/0x140 [12438.385860][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12438.385860][ T7704] addrconf_add_dev+0xe2/0x170 [12438.385860][ T7704] inet6_addr_add+0x12f/0xa40 [12438.385860][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12438.385860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12438.385860][ T7704] netlink_rcv_skb+0x130/0x360 [12438.385860][ T7704] netlink_unicast+0x449/0x710 [12438.385860][ T7704] netlink_sendmsg+0x723/0xbe0 [12438.385860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12438.385860][ T7704] ___sys_sendmsg+0xee/0x170 [12438.385860][ T7704] __sys_sendmsg+0xcd/0x170 [12438.385860][ T7704] do_syscall_64+0xc6/0x1e0 [12438.385860][ T7704] [12438.388069][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12438.388069][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12438.388069][ T7704] ipv6_find_idev+0x102/0x170 [12438.388069][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12438.388069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12438.388069][ T7704] netlink_rcv_skb+0x130/0x360 [12438.388069][ T7704] netlink_unicast+0x449/0x710 [12438.388069][ T7704] netlink_sendmsg+0x723/0xbe0 [12438.388069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12438.388069][ T7704] ___sys_sendmsg+0xee/0x170 [12438.388069][ T7704] __sys_sendmsg+0xcd/0x170 [12438.388069][ T7704] do_syscall_64+0xc6/0x1e0 [12438.388069][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12438.388069][ T7704] [12438.389810][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12438.389810][ T7704] neigh_parms_alloc+0x1e5/0x510 [12438.389810][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12438.389810][ T7704] ipv6_find_idev+0x102/0x170 [12438.389810][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12438.389810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12438.389810][ T7704] netlink_rcv_skb+0x130/0x360 [12438.389810][ T7704] netlink_unicast+0x449/0x710 [12438.389810][ T7704] netlink_sendmsg+0x723/0xbe0 [12438.389810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12438.389810][ T7704] ___sys_sendmsg+0xee/0x170 [12438.389810][ T7704] __sys_sendmsg+0xcd/0x170 [12438.389810][ T7704] do_syscall_64+0xc6/0x1e0 [12438.389810][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12438.389810][ T7704] [12448.628820][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12448.629370][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12448.629370][ T7704] netdev_get_by_index+0x5e/0x80 [12448.629370][ T7704] fib6_nh_init+0x3d8/0x15b0 [12448.629370][ T7704] ip6_route_info_create+0xf18/0x17d0 [12448.629370][ T7704] ip6_route_add+0x1c/0x140 [12448.629370][ T7704] addrconf_prefix_route+0x2a6/0x430 [12448.629370][ T7704] inet6_addr_add+0x4f8/0xa40 [12448.629370][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12448.629370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12448.629370][ T7704] netlink_rcv_skb+0x130/0x360 [12448.629370][ T7704] netlink_unicast+0x449/0x710 [12448.629370][ T7704] netlink_sendmsg+0x723/0xbe0 [12448.629370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12448.629370][ T7704] ___sys_sendmsg+0xee/0x170 [12448.629370][ T7704] __sys_sendmsg+0xcd/0x170 [12448.629370][ T7704] do_syscall_64+0xc6/0x1e0 [12448.629370][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12448.629370][ T7704] [12448.631653][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12448.631653][ T7704] netdev_get_by_index+0x5e/0x80 [12448.631653][ T7704] fib6_nh_init+0x3d8/0x15b0 [12448.631653][ T7704] ip6_route_info_create+0xf18/0x17d0 [12448.631653][ T7704] addrconf_f6i_alloc+0x315/0x560 [12448.631653][ T7704] ipv6_add_addr+0x411/0x2000 [12448.631653][ T7704] inet6_addr_add+0x30e/0xa40 [12448.631653][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12448.631653][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12448.631653][ T7704] netlink_rcv_skb+0x130/0x360 [12448.631653][ T7704] netlink_unicast+0x449/0x710 [12448.631653][ T7704] netlink_sendmsg+0x723/0xbe0 [12448.631653][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12448.631653][ T7704] ___sys_sendmsg+0xee/0x170 [12448.631653][ T7704] __sys_sendmsg+0xcd/0x170 [12448.631653][ T7704] do_syscall_64+0xc6/0x1e0 [12448.631653][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12448.631653][ T7704] [12448.633905][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12448.633905][ T7704] netdev_get_by_index+0x5e/0x80 [12448.633905][ T7704] fib6_nh_init+0x3d8/0x15b0 [12448.633905][ T7704] ip6_route_info_create+0xf18/0x17d0 [12448.633905][ T7704] ip6_route_add+0x1c/0x140 [12448.633905][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12448.633905][ T7704] addrconf_add_dev+0xe2/0x170 [12448.633905][ T7704] inet6_addr_add+0x12f/0xa40 [12448.633905][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12448.633905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12448.633905][ T7704] netlink_rcv_skb+0x130/0x360 [12448.633905][ T7704] netlink_unicast+0x449/0x710 [12448.633905][ T7704] netlink_sendmsg+0x723/0xbe0 [12448.633905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12448.633905][ T7704] ___sys_sendmsg+0xee/0x170 [12448.633905][ T7704] __sys_sendmsg+0xcd/0x170 [12448.633905][ T7704] do_syscall_64+0xc6/0x1e0 [12448.633905][ T7704] [12448.636117][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12448.636117][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12448.636117][ T7704] ipv6_find_idev+0x102/0x170 [12448.636117][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12448.636117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12448.636117][ T7704] netlink_rcv_skb+0x130/0x360 [12448.636117][ T7704] netlink_unicast+0x449/0x710 [12448.636117][ T7704] netlink_sendmsg+0x723/0xbe0 [12448.636117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12448.636117][ T7704] ___sys_sendmsg+0xee/0x170 [12448.636117][ T7704] __sys_sendmsg+0xcd/0x170 [12448.636117][ T7704] do_syscall_64+0xc6/0x1e0 [12448.636117][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12448.636117][ T7704] [12448.637835][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12448.637835][ T7704] neigh_parms_alloc+0x1e5/0x510 [12448.637835][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12448.637835][ T7704] ipv6_find_idev+0x102/0x170 [12448.637835][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12448.637835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12448.637835][ T7704] netlink_rcv_skb+0x130/0x360 [12448.637835][ T7704] netlink_unicast+0x449/0x710 [12448.637835][ T7704] netlink_sendmsg+0x723/0xbe0 [12448.637835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12448.637835][ T7704] ___sys_sendmsg+0xee/0x170 [12448.637835][ T7704] __sys_sendmsg+0xcd/0x170 [12448.637835][ T7704] do_syscall_64+0xc6/0x1e0 [12448.637835][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12448.637835][ T7704] [12458.876782][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12458.877304][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12458.877304][ T7704] netdev_get_by_index+0x5e/0x80 [12458.877304][ T7704] fib6_nh_init+0x3d8/0x15b0 [12458.877304][ T7704] ip6_route_info_create+0xf18/0x17d0 [12458.877304][ T7704] ip6_route_add+0x1c/0x140 [12458.877304][ T7704] addrconf_prefix_route+0x2a6/0x430 [12458.877304][ T7704] inet6_addr_add+0x4f8/0xa40 [12458.877304][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12458.877304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12458.877304][ T7704] netlink_rcv_skb+0x130/0x360 [12458.877304][ T7704] netlink_unicast+0x449/0x710 [12458.877304][ T7704] netlink_sendmsg+0x723/0xbe0 [12458.877304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12458.877304][ T7704] ___sys_sendmsg+0xee/0x170 [12458.877304][ T7704] __sys_sendmsg+0xcd/0x170 [12458.877304][ T7704] do_syscall_64+0xc6/0x1e0 [12458.877304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12458.877304][ T7704] [12458.879599][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12458.879599][ T7704] netdev_get_by_index+0x5e/0x80 [12458.879599][ T7704] fib6_nh_init+0x3d8/0x15b0 [12458.879599][ T7704] ip6_route_info_create+0xf18/0x17d0 [12458.879599][ T7704] addrconf_f6i_alloc+0x315/0x560 [12458.879599][ T7704] ipv6_add_addr+0x411/0x2000 [12458.879599][ T7704] inet6_addr_add+0x30e/0xa40 [12458.879599][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12458.879599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12458.879599][ T7704] netlink_rcv_skb+0x130/0x360 [12458.879599][ T7704] netlink_unicast+0x449/0x710 [12458.879599][ T7704] netlink_sendmsg+0x723/0xbe0 [12458.879599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12458.879599][ T7704] ___sys_sendmsg+0xee/0x170 [12458.879599][ T7704] __sys_sendmsg+0xcd/0x170 [12458.879599][ T7704] do_syscall_64+0xc6/0x1e0 [12458.879599][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12458.879599][ T7704] [12458.881919][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12458.881919][ T7704] netdev_get_by_index+0x5e/0x80 [12458.881919][ T7704] fib6_nh_init+0x3d8/0x15b0 [12458.881919][ T7704] ip6_route_info_create+0xf18/0x17d0 [12458.881919][ T7704] ip6_route_add+0x1c/0x140 [12458.881919][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12458.881919][ T7704] addrconf_add_dev+0xe2/0x170 [12458.881919][ T7704] inet6_addr_add+0x12f/0xa40 [12458.881919][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12458.881919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12458.881919][ T7704] netlink_rcv_skb+0x130/0x360 [12458.881919][ T7704] netlink_unicast+0x449/0x710 [12458.881919][ T7704] netlink_sendmsg+0x723/0xbe0 [12458.881919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12458.881919][ T7704] ___sys_sendmsg+0xee/0x170 [12458.881919][ T7704] __sys_sendmsg+0xcd/0x170 [12458.881919][ T7704] do_syscall_64+0xc6/0x1e0 [12458.881919][ T7704] [12458.884132][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12458.884132][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12458.884132][ T7704] ipv6_find_idev+0x102/0x170 [12458.884132][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12458.884132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12458.884132][ T7704] netlink_rcv_skb+0x130/0x360 [12458.884132][ T7704] netlink_unicast+0x449/0x710 [12458.884132][ T7704] netlink_sendmsg+0x723/0xbe0 [12458.884132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12458.884132][ T7704] ___sys_sendmsg+0xee/0x170 [12458.884132][ T7704] __sys_sendmsg+0xcd/0x170 [12458.884132][ T7704] do_syscall_64+0xc6/0x1e0 [12458.884132][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12458.884132][ T7704] [12458.885857][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12458.885857][ T7704] neigh_parms_alloc+0x1e5/0x510 [12458.885857][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12458.885857][ T7704] ipv6_find_idev+0x102/0x170 [12458.885857][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12458.885857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12458.885857][ T7704] netlink_rcv_skb+0x130/0x360 [12458.885857][ T7704] netlink_unicast+0x449/0x710 [12458.885857][ T7704] netlink_sendmsg+0x723/0xbe0 [12458.885857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12458.885857][ T7704] ___sys_sendmsg+0xee/0x170 [12458.885857][ T7704] __sys_sendmsg+0xcd/0x170 [12458.885857][ T7704] do_syscall_64+0xc6/0x1e0 [12458.885857][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12458.885857][ T7704] [12469.124844][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12469.125340][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12469.125340][ T7704] netdev_get_by_index+0x5e/0x80 [12469.125340][ T7704] fib6_nh_init+0x3d8/0x15b0 [12469.125340][ T7704] ip6_route_info_create+0xf18/0x17d0 [12469.125340][ T7704] ip6_route_add+0x1c/0x140 [12469.125340][ T7704] addrconf_prefix_route+0x2a6/0x430 [12469.125340][ T7704] inet6_addr_add+0x4f8/0xa40 [12469.125340][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12469.125340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12469.125340][ T7704] netlink_rcv_skb+0x130/0x360 [12469.125340][ T7704] netlink_unicast+0x449/0x710 [12469.125340][ T7704] netlink_sendmsg+0x723/0xbe0 [12469.125340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12469.125340][ T7704] ___sys_sendmsg+0xee/0x170 [12469.125340][ T7704] __sys_sendmsg+0xcd/0x170 [12469.125340][ T7704] do_syscall_64+0xc6/0x1e0 [12469.125340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12469.125340][ T7704] [12469.127582][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12469.127582][ T7704] netdev_get_by_index+0x5e/0x80 [12469.127582][ T7704] fib6_nh_init+0x3d8/0x15b0 [12469.127582][ T7704] ip6_route_info_create+0xf18/0x17d0 [12469.127582][ T7704] addrconf_f6i_alloc+0x315/0x560 [12469.127582][ T7704] ipv6_add_addr+0x411/0x2000 [12469.127582][ T7704] inet6_addr_add+0x30e/0xa40 [12469.127582][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12469.127582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12469.127582][ T7704] netlink_rcv_skb+0x130/0x360 [12469.127582][ T7704] netlink_unicast+0x449/0x710 [12469.127582][ T7704] netlink_sendmsg+0x723/0xbe0 [12469.127582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12469.127582][ T7704] ___sys_sendmsg+0xee/0x170 [12469.127582][ T7704] __sys_sendmsg+0xcd/0x170 [12469.127582][ T7704] do_syscall_64+0xc6/0x1e0 [12469.127582][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12469.127582][ T7704] [12469.129811][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12469.129811][ T7704] netdev_get_by_index+0x5e/0x80 [12469.129811][ T7704] fib6_nh_init+0x3d8/0x15b0 [12469.129811][ T7704] ip6_route_info_create+0xf18/0x17d0 [12469.129811][ T7704] ip6_route_add+0x1c/0x140 [12469.129811][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12469.129811][ T7704] addrconf_add_dev+0xe2/0x170 [12469.129811][ T7704] inet6_addr_add+0x12f/0xa40 [12469.129811][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12469.129811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12469.129811][ T7704] netlink_rcv_skb+0x130/0x360 [12469.129811][ T7704] netlink_unicast+0x449/0x710 [12469.129811][ T7704] netlink_sendmsg+0x723/0xbe0 [12469.129811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12469.129811][ T7704] ___sys_sendmsg+0xee/0x170 [12469.129811][ T7704] __sys_sendmsg+0xcd/0x170 [12469.129811][ T7704] do_syscall_64+0xc6/0x1e0 [12469.129811][ T7704] [12469.131985][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12469.131985][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12469.131985][ T7704] ipv6_find_idev+0x102/0x170 [12469.131985][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12469.131985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12469.131985][ T7704] netlink_rcv_skb+0x130/0x360 [12469.131985][ T7704] netlink_unicast+0x449/0x710 [12469.131985][ T7704] netlink_sendmsg+0x723/0xbe0 [12469.131985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12469.131985][ T7704] ___sys_sendmsg+0xee/0x170 [12469.131985][ T7704] __sys_sendmsg+0xcd/0x170 [12469.131985][ T7704] do_syscall_64+0xc6/0x1e0 [12469.131985][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12469.131985][ T7704] [12469.133705][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12469.133705][ T7704] neigh_parms_alloc+0x1e5/0x510 [12469.133705][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12469.133705][ T7704] ipv6_find_idev+0x102/0x170 [12469.133705][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12469.133705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12469.133705][ T7704] netlink_rcv_skb+0x130/0x360 [12469.133705][ T7704] netlink_unicast+0x449/0x710 [12469.133705][ T7704] netlink_sendmsg+0x723/0xbe0 [12469.133705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12469.133705][ T7704] ___sys_sendmsg+0xee/0x170 [12469.133705][ T7704] __sys_sendmsg+0xcd/0x170 [12469.133705][ T7704] do_syscall_64+0xc6/0x1e0 [12469.133705][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12469.133705][ T7704] [12479.244809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12479.245247][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12479.245247][ T7704] netdev_get_by_index+0x5e/0x80 [12479.245247][ T7704] fib6_nh_init+0x3d8/0x15b0 [12479.245247][ T7704] ip6_route_info_create+0xf18/0x17d0 [12479.245247][ T7704] ip6_route_add+0x1c/0x140 [12479.245247][ T7704] addrconf_prefix_route+0x2a6/0x430 [12479.245247][ T7704] inet6_addr_add+0x4f8/0xa40 [12479.245247][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12479.245247][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12479.245247][ T7704] netlink_rcv_skb+0x130/0x360 [12479.245247][ T7704] netlink_unicast+0x449/0x710 [12479.245247][ T7704] netlink_sendmsg+0x723/0xbe0 [12479.245247][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12479.245247][ T7704] ___sys_sendmsg+0xee/0x170 [12479.245247][ T7704] __sys_sendmsg+0xcd/0x170 [12479.245247][ T7704] do_syscall_64+0xc6/0x1e0 [12479.245247][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12479.245247][ T7704] [12479.247463][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12479.247463][ T7704] netdev_get_by_index+0x5e/0x80 [12479.247463][ T7704] fib6_nh_init+0x3d8/0x15b0 [12479.247463][ T7704] ip6_route_info_create+0xf18/0x17d0 [12479.247463][ T7704] addrconf_f6i_alloc+0x315/0x560 [12479.247463][ T7704] ipv6_add_addr+0x411/0x2000 [12479.247463][ T7704] inet6_addr_add+0x30e/0xa40 [12479.247463][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12479.247463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12479.247463][ T7704] netlink_rcv_skb+0x130/0x360 [12479.247463][ T7704] netlink_unicast+0x449/0x710 [12479.247463][ T7704] netlink_sendmsg+0x723/0xbe0 [12479.247463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12479.247463][ T7704] ___sys_sendmsg+0xee/0x170 [12479.247463][ T7704] __sys_sendmsg+0xcd/0x170 [12479.247463][ T7704] do_syscall_64+0xc6/0x1e0 [12479.247463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12479.247463][ T7704] [12479.249741][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12479.249741][ T7704] netdev_get_by_index+0x5e/0x80 [12479.249741][ T7704] fib6_nh_init+0x3d8/0x15b0 [12479.249741][ T7704] ip6_route_info_create+0xf18/0x17d0 [12479.249741][ T7704] ip6_route_add+0x1c/0x140 [12479.249741][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12479.249741][ T7704] addrconf_add_dev+0xe2/0x170 [12479.249741][ T7704] inet6_addr_add+0x12f/0xa40 [12479.249741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12479.249741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12479.249741][ T7704] netlink_rcv_skb+0x130/0x360 [12479.249741][ T7704] netlink_unicast+0x449/0x710 [12479.249741][ T7704] netlink_sendmsg+0x723/0xbe0 [12479.249741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12479.249741][ T7704] ___sys_sendmsg+0xee/0x170 [12479.249741][ T7704] __sys_sendmsg+0xcd/0x170 [12479.249741][ T7704] do_syscall_64+0xc6/0x1e0 [12479.249741][ T7704] [12479.251962][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12479.251962][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12479.251962][ T7704] ipv6_find_idev+0x102/0x170 [12479.251962][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12479.251962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12479.251962][ T7704] netlink_rcv_skb+0x130/0x360 [12479.251962][ T7704] netlink_unicast+0x449/0x710 [12479.251962][ T7704] netlink_sendmsg+0x723/0xbe0 [12479.251962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12479.251962][ T7704] ___sys_sendmsg+0xee/0x170 [12479.251962][ T7704] __sys_sendmsg+0xcd/0x170 [12479.251962][ T7704] do_syscall_64+0xc6/0x1e0 [12479.251962][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12479.251962][ T7704] [12479.253689][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12479.253689][ T7704] neigh_parms_alloc+0x1e5/0x510 [12479.253689][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12479.253689][ T7704] ipv6_find_idev+0x102/0x170 [12479.253689][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12479.253689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12479.253689][ T7704] netlink_rcv_skb+0x130/0x360 [12479.253689][ T7704] netlink_unicast+0x449/0x710 [12479.253689][ T7704] netlink_sendmsg+0x723/0xbe0 [12479.253689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12479.253689][ T7704] ___sys_sendmsg+0xee/0x170 [12479.253689][ T7704] __sys_sendmsg+0xcd/0x170 [12479.253689][ T7704] do_syscall_64+0xc6/0x1e0 [12479.253689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12479.253689][ T7704] [12489.260773][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12489.261222][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12489.261222][ T7704] netdev_get_by_index+0x5e/0x80 [12489.261222][ T7704] fib6_nh_init+0x3d8/0x15b0 [12489.261222][ T7704] ip6_route_info_create+0xf18/0x17d0 [12489.261222][ T7704] ip6_route_add+0x1c/0x140 [12489.261222][ T7704] addrconf_prefix_route+0x2a6/0x430 [12489.261222][ T7704] inet6_addr_add+0x4f8/0xa40 [12489.261222][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12489.261222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12489.261222][ T7704] netlink_rcv_skb+0x130/0x360 [12489.261222][ T7704] netlink_unicast+0x449/0x710 [12489.261222][ T7704] netlink_sendmsg+0x723/0xbe0 [12489.261222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12489.261222][ T7704] ___sys_sendmsg+0xee/0x170 [12489.261222][ T7704] __sys_sendmsg+0xcd/0x170 [12489.261222][ T7704] do_syscall_64+0xc6/0x1e0 [12489.261222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12489.261222][ T7704] [12489.263525][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12489.263525][ T7704] netdev_get_by_index+0x5e/0x80 [12489.263525][ T7704] fib6_nh_init+0x3d8/0x15b0 [12489.263525][ T7704] ip6_route_info_create+0xf18/0x17d0 [12489.263525][ T7704] addrconf_f6i_alloc+0x315/0x560 [12489.263525][ T7704] ipv6_add_addr+0x411/0x2000 [12489.263525][ T7704] inet6_addr_add+0x30e/0xa40 [12489.263525][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12489.263525][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12489.263525][ T7704] netlink_rcv_skb+0x130/0x360 [12489.263525][ T7704] netlink_unicast+0x449/0x710 [12489.263525][ T7704] netlink_sendmsg+0x723/0xbe0 [12489.263525][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12489.263525][ T7704] ___sys_sendmsg+0xee/0x170 [12489.263525][ T7704] __sys_sendmsg+0xcd/0x170 [12489.263525][ T7704] do_syscall_64+0xc6/0x1e0 [12489.263525][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12489.263525][ T7704] [12489.265758][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12489.265758][ T7704] netdev_get_by_index+0x5e/0x80 [12489.265758][ T7704] fib6_nh_init+0x3d8/0x15b0 [12489.265758][ T7704] ip6_route_info_create+0xf18/0x17d0 [12489.265758][ T7704] ip6_route_add+0x1c/0x140 [12489.265758][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12489.265758][ T7704] addrconf_add_dev+0xe2/0x170 [12489.265758][ T7704] inet6_addr_add+0x12f/0xa40 [12489.265758][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12489.265758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12489.265758][ T7704] netlink_rcv_skb+0x130/0x360 [12489.265758][ T7704] netlink_unicast+0x449/0x710 [12489.265758][ T7704] netlink_sendmsg+0x723/0xbe0 [12489.265758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12489.265758][ T7704] ___sys_sendmsg+0xee/0x170 [12489.265758][ T7704] __sys_sendmsg+0xcd/0x170 [12489.265758][ T7704] do_syscall_64+0xc6/0x1e0 [12489.265758][ T7704] [12489.267952][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12489.267952][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12489.267952][ T7704] ipv6_find_idev+0x102/0x170 [12489.267952][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12489.267952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12489.267952][ T7704] netlink_rcv_skb+0x130/0x360 [12489.267952][ T7704] netlink_unicast+0x449/0x710 [12489.267952][ T7704] netlink_sendmsg+0x723/0xbe0 [12489.267952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12489.267952][ T7704] ___sys_sendmsg+0xee/0x170 [12489.267952][ T7704] __sys_sendmsg+0xcd/0x170 [12489.267952][ T7704] do_syscall_64+0xc6/0x1e0 [12489.267952][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12489.267952][ T7704] [12489.269660][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12489.269660][ T7704] neigh_parms_alloc+0x1e5/0x510 [12489.269660][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12489.269660][ T7704] ipv6_find_idev+0x102/0x170 [12489.269660][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12489.269660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12489.269660][ T7704] netlink_rcv_skb+0x130/0x360 [12489.269660][ T7704] netlink_unicast+0x449/0x710 [12489.269660][ T7704] netlink_sendmsg+0x723/0xbe0 [12489.269660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12489.269660][ T7704] ___sys_sendmsg+0xee/0x170 [12489.269660][ T7704] __sys_sendmsg+0xcd/0x170 [12489.269660][ T7704] do_syscall_64+0xc6/0x1e0 [12489.269660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12489.269660][ T7704] [12499.348743][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12499.349250][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12499.349250][ T7704] netdev_get_by_index+0x5e/0x80 [12499.349250][ T7704] fib6_nh_init+0x3d8/0x15b0 [12499.349250][ T7704] ip6_route_info_create+0xf18/0x17d0 [12499.349250][ T7704] ip6_route_add+0x1c/0x140 [12499.349250][ T7704] addrconf_prefix_route+0x2a6/0x430 [12499.349250][ T7704] inet6_addr_add+0x4f8/0xa40 [12499.349250][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12499.349250][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12499.349250][ T7704] netlink_rcv_skb+0x130/0x360 [12499.349250][ T7704] netlink_unicast+0x449/0x710 [12499.349250][ T7704] netlink_sendmsg+0x723/0xbe0 [12499.349250][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12499.349250][ T7704] ___sys_sendmsg+0xee/0x170 [12499.349250][ T7704] __sys_sendmsg+0xcd/0x170 [12499.349250][ T7704] do_syscall_64+0xc6/0x1e0 [12499.349250][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12499.349250][ T7704] [12499.351530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12499.351530][ T7704] netdev_get_by_index+0x5e/0x80 [12499.351530][ T7704] fib6_nh_init+0x3d8/0x15b0 [12499.351530][ T7704] ip6_route_info_create+0xf18/0x17d0 [12499.351530][ T7704] addrconf_f6i_alloc+0x315/0x560 [12499.351530][ T7704] ipv6_add_addr+0x411/0x2000 [12499.351530][ T7704] inet6_addr_add+0x30e/0xa40 [12499.351530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12499.351530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12499.351530][ T7704] netlink_rcv_skb+0x130/0x360 [12499.351530][ T7704] netlink_unicast+0x449/0x710 [12499.351530][ T7704] netlink_sendmsg+0x723/0xbe0 [12499.351530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12499.351530][ T7704] ___sys_sendmsg+0xee/0x170 [12499.351530][ T7704] __sys_sendmsg+0xcd/0x170 [12499.351530][ T7704] do_syscall_64+0xc6/0x1e0 [12499.351530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12499.351530][ T7704] [12499.353803][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12499.353803][ T7704] netdev_get_by_index+0x5e/0x80 [12499.353803][ T7704] fib6_nh_init+0x3d8/0x15b0 [12499.353803][ T7704] ip6_route_info_create+0xf18/0x17d0 [12499.353803][ T7704] ip6_route_add+0x1c/0x140 [12499.353803][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12499.353803][ T7704] addrconf_add_dev+0xe2/0x170 [12499.353803][ T7704] inet6_addr_add+0x12f/0xa40 [12499.353803][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12499.353803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12499.353803][ T7704] netlink_rcv_skb+0x130/0x360 [12499.353803][ T7704] netlink_unicast+0x449/0x710 [12499.353803][ T7704] netlink_sendmsg+0x723/0xbe0 [12499.353803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12499.353803][ T7704] ___sys_sendmsg+0xee/0x170 [12499.353803][ T7704] __sys_sendmsg+0xcd/0x170 [12499.353803][ T7704] do_syscall_64+0xc6/0x1e0 [12499.353803][ T7704] [12499.356018][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12499.356018][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12499.356018][ T7704] ipv6_find_idev+0x102/0x170 [12499.356018][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12499.356018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12499.356018][ T7704] netlink_rcv_skb+0x130/0x360 [12499.356018][ T7704] netlink_unicast+0x449/0x710 [12499.356018][ T7704] netlink_sendmsg+0x723/0xbe0 [12499.356018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12499.356018][ T7704] ___sys_sendmsg+0xee/0x170 [12499.356018][ T7704] __sys_sendmsg+0xcd/0x170 [12499.356018][ T7704] do_syscall_64+0xc6/0x1e0 [12499.356018][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12499.356018][ T7704] [12499.357757][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12499.357757][ T7704] neigh_parms_alloc+0x1e5/0x510 [12499.357757][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12499.357757][ T7704] ipv6_find_idev+0x102/0x170 [12499.357757][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12499.357757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12499.357757][ T7704] netlink_rcv_skb+0x130/0x360 [12499.357757][ T7704] netlink_unicast+0x449/0x710 [12499.357757][ T7704] netlink_sendmsg+0x723/0xbe0 [12499.357757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12499.357757][ T7704] ___sys_sendmsg+0xee/0x170 [12499.357757][ T7704] __sys_sendmsg+0xcd/0x170 [12499.357757][ T7704] do_syscall_64+0xc6/0x1e0 [12499.357757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12499.357757][ T7704] [12509.396793][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12509.397235][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12509.397235][ T7704] netdev_get_by_index+0x5e/0x80 [12509.397235][ T7704] fib6_nh_init+0x3d8/0x15b0 [12509.397235][ T7704] ip6_route_info_create+0xf18/0x17d0 [12509.397235][ T7704] ip6_route_add+0x1c/0x140 [12509.397235][ T7704] addrconf_prefix_route+0x2a6/0x430 [12509.397235][ T7704] inet6_addr_add+0x4f8/0xa40 [12509.397235][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12509.397235][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12509.397235][ T7704] netlink_rcv_skb+0x130/0x360 [12509.397235][ T7704] netlink_unicast+0x449/0x710 [12509.397235][ T7704] netlink_sendmsg+0x723/0xbe0 [12509.397235][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12509.397235][ T7704] ___sys_sendmsg+0xee/0x170 [12509.397235][ T7704] __sys_sendmsg+0xcd/0x170 [12509.397235][ T7704] do_syscall_64+0xc6/0x1e0 [12509.397235][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12509.397235][ T7704] [12509.400111][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12509.400111][ T7704] netdev_get_by_index+0x5e/0x80 [12509.400111][ T7704] fib6_nh_init+0x3d8/0x15b0 [12509.400111][ T7704] ip6_route_info_create+0xf18/0x17d0 [12509.400111][ T7704] addrconf_f6i_alloc+0x315/0x560 [12509.400111][ T7704] ipv6_add_addr+0x411/0x2000 [12509.400111][ T7704] inet6_addr_add+0x30e/0xa40 [12509.400111][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12509.400111][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12509.400111][ T7704] netlink_rcv_skb+0x130/0x360 [12509.400111][ T7704] netlink_unicast+0x449/0x710 [12509.400111][ T7704] netlink_sendmsg+0x723/0xbe0 [12509.400111][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12509.400111][ T7704] ___sys_sendmsg+0xee/0x170 [12509.400111][ T7704] __sys_sendmsg+0xcd/0x170 [12509.400111][ T7704] do_syscall_64+0xc6/0x1e0 [12509.400111][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12509.400111][ T7704] [12509.402969][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12509.402969][ T7704] netdev_get_by_index+0x5e/0x80 [12509.402969][ T7704] fib6_nh_init+0x3d8/0x15b0 [12509.402969][ T7704] ip6_route_info_create+0xf18/0x17d0 [12509.402969][ T7704] ip6_route_add+0x1c/0x140 [12509.402969][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12509.402969][ T7704] addrconf_add_dev+0xe2/0x170 [12509.402969][ T7704] inet6_addr_add+0x12f/0xa40 [12509.402969][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12509.402969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12509.402969][ T7704] netlink_rcv_skb+0x130/0x360 [12509.402969][ T7704] netlink_unicast+0x449/0x710 [12509.402969][ T7704] netlink_sendmsg+0x723/0xbe0 [12509.402969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12509.402969][ T7704] ___sys_sendmsg+0xee/0x170 [12509.402969][ T7704] __sys_sendmsg+0xcd/0x170 [12509.402969][ T7704] do_syscall_64+0xc6/0x1e0 [12509.402969][ T7704] [12509.405279][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12509.405279][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12509.405279][ T7704] ipv6_find_idev+0x102/0x170 [12509.405279][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12509.405279][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12509.405279][ T7704] netlink_rcv_skb+0x130/0x360 [12509.405279][ T7704] netlink_unicast+0x449/0x710 [12509.405279][ T7704] netlink_sendmsg+0x723/0xbe0 [12509.405279][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12509.405279][ T7704] ___sys_sendmsg+0xee/0x170 [12509.405279][ T7704] __sys_sendmsg+0xcd/0x170 [12509.405279][ T7704] do_syscall_64+0xc6/0x1e0 [12509.405279][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12509.405279][ T7704] [12509.407051][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12509.407051][ T7704] neigh_parms_alloc+0x1e5/0x510 [12509.407051][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12509.407051][ T7704] ipv6_find_idev+0x102/0x170 [12509.407051][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12509.407051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12509.407051][ T7704] netlink_rcv_skb+0x130/0x360 [12509.407051][ T7704] netlink_unicast+0x449/0x710 [12509.407051][ T7704] netlink_sendmsg+0x723/0xbe0 [12509.407051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12509.407051][ T7704] ___sys_sendmsg+0xee/0x170 [12509.407051][ T7704] __sys_sendmsg+0xcd/0x170 [12509.407051][ T7704] do_syscall_64+0xc6/0x1e0 [12509.407051][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12509.407051][ T7704] [12519.660783][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12519.661298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12519.661298][ T7704] netdev_get_by_index+0x5e/0x80 [12519.661298][ T7704] fib6_nh_init+0x3d8/0x15b0 [12519.661298][ T7704] ip6_route_info_create+0xf18/0x17d0 [12519.661298][ T7704] ip6_route_add+0x1c/0x140 [12519.661298][ T7704] addrconf_prefix_route+0x2a6/0x430 [12519.661298][ T7704] inet6_addr_add+0x4f8/0xa40 [12519.661298][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12519.661298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12519.661298][ T7704] netlink_rcv_skb+0x130/0x360 [12519.661298][ T7704] netlink_unicast+0x449/0x710 [12519.661298][ T7704] netlink_sendmsg+0x723/0xbe0 [12519.661298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12519.661298][ T7704] ___sys_sendmsg+0xee/0x170 [12519.661298][ T7704] __sys_sendmsg+0xcd/0x170 [12519.661298][ T7704] do_syscall_64+0xc6/0x1e0 [12519.661298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12519.661298][ T7704] [12519.663592][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12519.663592][ T7704] netdev_get_by_index+0x5e/0x80 [12519.663592][ T7704] fib6_nh_init+0x3d8/0x15b0 [12519.663592][ T7704] ip6_route_info_create+0xf18/0x17d0 [12519.663592][ T7704] addrconf_f6i_alloc+0x315/0x560 [12519.663592][ T7704] ipv6_add_addr+0x411/0x2000 [12519.663592][ T7704] inet6_addr_add+0x30e/0xa40 [12519.663592][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12519.663592][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12519.663592][ T7704] netlink_rcv_skb+0x130/0x360 [12519.663592][ T7704] netlink_unicast+0x449/0x710 [12519.663592][ T7704] netlink_sendmsg+0x723/0xbe0 [12519.663592][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12519.663592][ T7704] ___sys_sendmsg+0xee/0x170 [12519.663592][ T7704] __sys_sendmsg+0xcd/0x170 [12519.663592][ T7704] do_syscall_64+0xc6/0x1e0 [12519.663592][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12519.663592][ T7704] [12519.665839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12519.665839][ T7704] netdev_get_by_index+0x5e/0x80 [12519.665839][ T7704] fib6_nh_init+0x3d8/0x15b0 [12519.665839][ T7704] ip6_route_info_create+0xf18/0x17d0 [12519.665839][ T7704] ip6_route_add+0x1c/0x140 [12519.665839][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12519.665839][ T7704] addrconf_add_dev+0xe2/0x170 [12519.665839][ T7704] inet6_addr_add+0x12f/0xa40 [12519.665839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12519.665839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12519.665839][ T7704] netlink_rcv_skb+0x130/0x360 [12519.665839][ T7704] netlink_unicast+0x449/0x710 [12519.665839][ T7704] netlink_sendmsg+0x723/0xbe0 [12519.665839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12519.665839][ T7704] ___sys_sendmsg+0xee/0x170 [12519.665839][ T7704] __sys_sendmsg+0xcd/0x170 [12519.665839][ T7704] do_syscall_64+0xc6/0x1e0 [12519.665839][ T7704] [12519.668053][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12519.668053][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12519.668053][ T7704] ipv6_find_idev+0x102/0x170 [12519.668053][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12519.668053][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12519.668053][ T7704] netlink_rcv_skb+0x130/0x360 [12519.668053][ T7704] netlink_unicast+0x449/0x710 [12519.668053][ T7704] netlink_sendmsg+0x723/0xbe0 [12519.668053][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12519.668053][ T7704] ___sys_sendmsg+0xee/0x170 [12519.668053][ T7704] __sys_sendmsg+0xcd/0x170 [12519.668053][ T7704] do_syscall_64+0xc6/0x1e0 [12519.668053][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12519.668053][ T7704] [12519.669778][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12519.669778][ T7704] neigh_parms_alloc+0x1e5/0x510 [12519.669778][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12519.669778][ T7704] ipv6_find_idev+0x102/0x170 [12519.669778][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12519.669778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12519.669778][ T7704] netlink_rcv_skb+0x130/0x360 [12519.669778][ T7704] netlink_unicast+0x449/0x710 [12519.669778][ T7704] netlink_sendmsg+0x723/0xbe0 [12519.669778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12519.669778][ T7704] ___sys_sendmsg+0xee/0x170 [12519.669778][ T7704] __sys_sendmsg+0xcd/0x170 [12519.669778][ T7704] do_syscall_64+0xc6/0x1e0 [12519.669778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12519.669778][ T7704] [12529.924866][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12529.925462][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12529.925462][ T7704] netdev_get_by_index+0x5e/0x80 [12529.925462][ T7704] fib6_nh_init+0x3d8/0x15b0 [12529.925462][ T7704] ip6_route_info_create+0xf18/0x17d0 [12529.925462][ T7704] ip6_route_add+0x1c/0x140 [12529.925462][ T7704] addrconf_prefix_route+0x2a6/0x430 [12529.925462][ T7704] inet6_addr_add+0x4f8/0xa40 [12529.925462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12529.925462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12529.925462][ T7704] netlink_rcv_skb+0x130/0x360 [12529.925462][ T7704] netlink_unicast+0x449/0x710 [12529.925462][ T7704] netlink_sendmsg+0x723/0xbe0 [12529.925462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12529.925462][ T7704] ___sys_sendmsg+0xee/0x170 [12529.925462][ T7704] __sys_sendmsg+0xcd/0x170 [12529.925462][ T7704] do_syscall_64+0xc6/0x1e0 [12529.925462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12529.925462][ T7704] [12529.929182][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12529.929182][ T7704] netdev_get_by_index+0x5e/0x80 [12529.929182][ T7704] fib6_nh_init+0x3d8/0x15b0 [12529.929182][ T7704] ip6_route_info_create+0xf18/0x17d0 [12529.929182][ T7704] addrconf_f6i_alloc+0x315/0x560 [12529.929182][ T7704] ipv6_add_addr+0x411/0x2000 [12529.929182][ T7704] inet6_addr_add+0x30e/0xa40 [12529.929182][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12529.929182][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12529.929182][ T7704] netlink_rcv_skb+0x130/0x360 [12529.929182][ T7704] netlink_unicast+0x449/0x710 [12529.929182][ T7704] netlink_sendmsg+0x723/0xbe0 [12529.929182][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12529.929182][ T7704] ___sys_sendmsg+0xee/0x170 [12529.929182][ T7704] __sys_sendmsg+0xcd/0x170 [12529.929182][ T7704] do_syscall_64+0xc6/0x1e0 [12529.929182][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12529.929182][ T7704] [12529.932850][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12529.932850][ T7704] netdev_get_by_index+0x5e/0x80 [12529.932850][ T7704] fib6_nh_init+0x3d8/0x15b0 [12529.932850][ T7704] ip6_route_info_create+0xf18/0x17d0 [12529.932850][ T7704] ip6_route_add+0x1c/0x140 [12529.932850][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12529.932850][ T7704] addrconf_add_dev+0xe2/0x170 [12529.932850][ T7704] inet6_addr_add+0x12f/0xa40 [12529.932850][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12529.932850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12529.932850][ T7704] netlink_rcv_skb+0x130/0x360 [12529.932850][ T7704] netlink_unicast+0x449/0x710 [12529.932850][ T7704] netlink_sendmsg+0x723/0xbe0 [12529.932850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12529.932850][ T7704] ___sys_sendmsg+0xee/0x170 [12529.932850][ T7704] __sys_sendmsg+0xcd/0x170 [12529.932850][ T7704] do_syscall_64+0xc6/0x1e0 [12529.932850][ T7704] [12529.936470][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12529.936470][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12529.936470][ T7704] ipv6_find_idev+0x102/0x170 [12529.936470][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12529.936470][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12529.936470][ T7704] netlink_rcv_skb+0x130/0x360 [12529.936470][ T7704] netlink_unicast+0x449/0x710 [12529.936470][ T7704] netlink_sendmsg+0x723/0xbe0 [12529.936470][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12529.936470][ T7704] ___sys_sendmsg+0xee/0x170 [12529.936470][ T7704] __sys_sendmsg+0xcd/0x170 [12529.936470][ T7704] do_syscall_64+0xc6/0x1e0 [12529.936470][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12529.936470][ T7704] [12529.939298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12529.939298][ T7704] neigh_parms_alloc+0x1e5/0x510 [12529.939298][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12529.939298][ T7704] ipv6_find_idev+0x102/0x170 [12529.939298][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12529.939298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12529.939298][ T7704] netlink_rcv_skb+0x130/0x360 [12529.939298][ T7704] netlink_unicast+0x449/0x710 [12529.939298][ T7704] netlink_sendmsg+0x723/0xbe0 [12529.939298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12529.939298][ T7704] ___sys_sendmsg+0xee/0x170 [12529.939298][ T7704] __sys_sendmsg+0xcd/0x170 [12529.939298][ T7704] do_syscall_64+0xc6/0x1e0 [12529.939298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12529.939298][ T7704] [12540.188847][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12540.189360][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12540.189360][ T7704] netdev_get_by_index+0x5e/0x80 [12540.189360][ T7704] fib6_nh_init+0x3d8/0x15b0 [12540.189360][ T7704] ip6_route_info_create+0xf18/0x17d0 [12540.189360][ T7704] ip6_route_add+0x1c/0x140 [12540.189360][ T7704] addrconf_prefix_route+0x2a6/0x430 [12540.189360][ T7704] inet6_addr_add+0x4f8/0xa40 [12540.189360][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12540.189360][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12540.189360][ T7704] netlink_rcv_skb+0x130/0x360 [12540.189360][ T7704] netlink_unicast+0x449/0x710 [12540.189360][ T7704] netlink_sendmsg+0x723/0xbe0 [12540.189360][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12540.189360][ T7704] ___sys_sendmsg+0xee/0x170 [12540.189360][ T7704] __sys_sendmsg+0xcd/0x170 [12540.189360][ T7704] do_syscall_64+0xc6/0x1e0 [12540.189360][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12540.189360][ T7704] [12540.191781][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12540.191781][ T7704] netdev_get_by_index+0x5e/0x80 [12540.191781][ T7704] fib6_nh_init+0x3d8/0x15b0 [12540.191781][ T7704] ip6_route_info_create+0xf18/0x17d0 [12540.191781][ T7704] addrconf_f6i_alloc+0x315/0x560 [12540.191781][ T7704] ipv6_add_addr+0x411/0x2000 [12540.191781][ T7704] inet6_addr_add+0x30e/0xa40 [12540.191781][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12540.191781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12540.191781][ T7704] netlink_rcv_skb+0x130/0x360 [12540.191781][ T7704] netlink_unicast+0x449/0x710 [12540.191781][ T7704] netlink_sendmsg+0x723/0xbe0 [12540.191781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12540.191781][ T7704] ___sys_sendmsg+0xee/0x170 [12540.191781][ T7704] __sys_sendmsg+0xcd/0x170 [12540.191781][ T7704] do_syscall_64+0xc6/0x1e0 [12540.191781][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12540.191781][ T7704] [12540.194208][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12540.194208][ T7704] netdev_get_by_index+0x5e/0x80 [12540.194208][ T7704] fib6_nh_init+0x3d8/0x15b0 [12540.194208][ T7704] ip6_route_info_create+0xf18/0x17d0 [12540.194208][ T7704] ip6_route_add+0x1c/0x140 [12540.194208][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12540.194208][ T7704] addrconf_add_dev+0xe2/0x170 [12540.194208][ T7704] inet6_addr_add+0x12f/0xa40 [12540.194208][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12540.194208][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12540.194208][ T7704] netlink_rcv_skb+0x130/0x360 [12540.194208][ T7704] netlink_unicast+0x449/0x710 [12540.194208][ T7704] netlink_sendmsg+0x723/0xbe0 [12540.194208][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12540.194208][ T7704] ___sys_sendmsg+0xee/0x170 [12540.194208][ T7704] __sys_sendmsg+0xcd/0x170 [12540.194208][ T7704] do_syscall_64+0xc6/0x1e0 [12540.194208][ T7704] [12540.196570][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12540.196570][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12540.196570][ T7704] ipv6_find_idev+0x102/0x170 [12540.196570][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12540.196570][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12540.196570][ T7704] netlink_rcv_skb+0x130/0x360 [12540.196570][ T7704] netlink_unicast+0x449/0x710 [12540.196570][ T7704] netlink_sendmsg+0x723/0xbe0 [12540.196570][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12540.196570][ T7704] ___sys_sendmsg+0xee/0x170 [12540.196570][ T7704] __sys_sendmsg+0xcd/0x170 [12540.196570][ T7704] do_syscall_64+0xc6/0x1e0 [12540.196570][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12540.196570][ T7704] [12540.198637][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12540.198637][ T7704] neigh_parms_alloc+0x1e5/0x510 [12540.198637][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12540.198637][ T7704] ipv6_find_idev+0x102/0x170 [12540.198637][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12540.198637][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12540.198637][ T7704] netlink_rcv_skb+0x130/0x360 [12540.198637][ T7704] netlink_unicast+0x449/0x710 [12540.198637][ T7704] netlink_sendmsg+0x723/0xbe0 [12540.198637][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12540.198637][ T7704] ___sys_sendmsg+0xee/0x170 [12540.198637][ T7704] __sys_sendmsg+0xcd/0x170 [12540.198637][ T7704] do_syscall_64+0xc6/0x1e0 [12540.198637][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12540.198637][ T7704] [12550.452777][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12550.453210][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12550.453210][ T7704] netdev_get_by_index+0x5e/0x80 [12550.453210][ T7704] fib6_nh_init+0x3d8/0x15b0 [12550.453210][ T7704] ip6_route_info_create+0xf18/0x17d0 [12550.453210][ T7704] ip6_route_add+0x1c/0x140 [12550.453210][ T7704] addrconf_prefix_route+0x2a6/0x430 [12550.453210][ T7704] inet6_addr_add+0x4f8/0xa40 [12550.453210][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12550.453210][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12550.453210][ T7704] netlink_rcv_skb+0x130/0x360 [12550.453210][ T7704] netlink_unicast+0x449/0x710 [12550.453210][ T7704] netlink_sendmsg+0x723/0xbe0 [12550.453210][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12550.453210][ T7704] ___sys_sendmsg+0xee/0x170 [12550.453210][ T7704] __sys_sendmsg+0xcd/0x170 [12550.453210][ T7704] do_syscall_64+0xc6/0x1e0 [12550.453210][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12550.453210][ T7704] [12550.455485][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12550.455485][ T7704] netdev_get_by_index+0x5e/0x80 [12550.455485][ T7704] fib6_nh_init+0x3d8/0x15b0 [12550.455485][ T7704] ip6_route_info_create+0xf18/0x17d0 [12550.455485][ T7704] addrconf_f6i_alloc+0x315/0x560 [12550.455485][ T7704] ipv6_add_addr+0x411/0x2000 [12550.455485][ T7704] inet6_addr_add+0x30e/0xa40 [12550.455485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12550.455485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12550.455485][ T7704] netlink_rcv_skb+0x130/0x360 [12550.455485][ T7704] netlink_unicast+0x449/0x710 [12550.455485][ T7704] netlink_sendmsg+0x723/0xbe0 [12550.455485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12550.455485][ T7704] ___sys_sendmsg+0xee/0x170 [12550.455485][ T7704] __sys_sendmsg+0xcd/0x170 [12550.455485][ T7704] do_syscall_64+0xc6/0x1e0 [12550.455485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12550.455485][ T7704] [12550.457743][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12550.457743][ T7704] netdev_get_by_index+0x5e/0x80 [12550.457743][ T7704] fib6_nh_init+0x3d8/0x15b0 [12550.457743][ T7704] ip6_route_info_create+0xf18/0x17d0 [12550.457743][ T7704] ip6_route_add+0x1c/0x140 [12550.457743][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12550.457743][ T7704] addrconf_add_dev+0xe2/0x170 [12550.457743][ T7704] inet6_addr_add+0x12f/0xa40 [12550.457743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12550.457743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12550.457743][ T7704] netlink_rcv_skb+0x130/0x360 [12550.457743][ T7704] netlink_unicast+0x449/0x710 [12550.457743][ T7704] netlink_sendmsg+0x723/0xbe0 [12550.457743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12550.457743][ T7704] ___sys_sendmsg+0xee/0x170 [12550.457743][ T7704] __sys_sendmsg+0xcd/0x170 [12550.457743][ T7704] do_syscall_64+0xc6/0x1e0 [12550.457743][ T7704] [12550.459932][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12550.459932][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12550.459932][ T7704] ipv6_find_idev+0x102/0x170 [12550.459932][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12550.459932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12550.459932][ T7704] netlink_rcv_skb+0x130/0x360 [12550.459932][ T7704] netlink_unicast+0x449/0x710 [12550.459932][ T7704] netlink_sendmsg+0x723/0xbe0 [12550.459932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12550.459932][ T7704] ___sys_sendmsg+0xee/0x170 [12550.459932][ T7704] __sys_sendmsg+0xcd/0x170 [12550.459932][ T7704] do_syscall_64+0xc6/0x1e0 [12550.459932][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12550.459932][ T7704] [12550.461653][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12550.461653][ T7704] neigh_parms_alloc+0x1e5/0x510 [12550.461653][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12550.461653][ T7704] ipv6_find_idev+0x102/0x170 [12550.461653][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12550.461653][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12550.461653][ T7704] netlink_rcv_skb+0x130/0x360 [12550.461653][ T7704] netlink_unicast+0x449/0x710 [12550.461653][ T7704] netlink_sendmsg+0x723/0xbe0 [12550.461653][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12550.461653][ T7704] ___sys_sendmsg+0xee/0x170 [12550.461653][ T7704] __sys_sendmsg+0xcd/0x170 [12550.461653][ T7704] do_syscall_64+0xc6/0x1e0 [12550.461653][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12550.461653][ T7704] [12560.716836][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12560.717284][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12560.717284][ T7704] netdev_get_by_index+0x5e/0x80 [12560.717284][ T7704] fib6_nh_init+0x3d8/0x15b0 [12560.717284][ T7704] ip6_route_info_create+0xf18/0x17d0 [12560.717284][ T7704] ip6_route_add+0x1c/0x140 [12560.717284][ T7704] addrconf_prefix_route+0x2a6/0x430 [12560.717284][ T7704] inet6_addr_add+0x4f8/0xa40 [12560.717284][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12560.717284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12560.717284][ T7704] netlink_rcv_skb+0x130/0x360 [12560.717284][ T7704] netlink_unicast+0x449/0x710 [12560.717284][ T7704] netlink_sendmsg+0x723/0xbe0 [12560.717284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12560.717284][ T7704] ___sys_sendmsg+0xee/0x170 [12560.717284][ T7704] __sys_sendmsg+0xcd/0x170 [12560.717284][ T7704] do_syscall_64+0xc6/0x1e0 [12560.717284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12560.717284][ T7704] [12560.719723][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12560.719723][ T7704] netdev_get_by_index+0x5e/0x80 [12560.719723][ T7704] fib6_nh_init+0x3d8/0x15b0 [12560.719723][ T7704] ip6_route_info_create+0xf18/0x17d0 [12560.719723][ T7704] addrconf_f6i_alloc+0x315/0x560 [12560.719723][ T7704] ipv6_add_addr+0x411/0x2000 [12560.719723][ T7704] inet6_addr_add+0x30e/0xa40 [12560.719723][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12560.719723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12560.719723][ T7704] netlink_rcv_skb+0x130/0x360 [12560.719723][ T7704] netlink_unicast+0x449/0x710 [12560.719723][ T7704] netlink_sendmsg+0x723/0xbe0 [12560.719723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12560.719723][ T7704] ___sys_sendmsg+0xee/0x170 [12560.719723][ T7704] __sys_sendmsg+0xcd/0x170 [12560.719723][ T7704] do_syscall_64+0xc6/0x1e0 [12560.719723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12560.719723][ T7704] [12560.722154][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12560.722154][ T7704] netdev_get_by_index+0x5e/0x80 [12560.722154][ T7704] fib6_nh_init+0x3d8/0x15b0 [12560.722154][ T7704] ip6_route_info_create+0xf18/0x17d0 [12560.722154][ T7704] ip6_route_add+0x1c/0x140 [12560.722154][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12560.722154][ T7704] addrconf_add_dev+0xe2/0x170 [12560.722154][ T7704] inet6_addr_add+0x12f/0xa40 [12560.722154][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12560.722154][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12560.722154][ T7704] netlink_rcv_skb+0x130/0x360 [12560.722154][ T7704] netlink_unicast+0x449/0x710 [12560.722154][ T7704] netlink_sendmsg+0x723/0xbe0 [12560.722154][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12560.722154][ T7704] ___sys_sendmsg+0xee/0x170 [12560.722154][ T7704] __sys_sendmsg+0xcd/0x170 [12560.722154][ T7704] do_syscall_64+0xc6/0x1e0 [12560.722154][ T7704] [12560.724554][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12560.724554][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12560.724554][ T7704] ipv6_find_idev+0x102/0x170 [12560.724554][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12560.724554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12560.724554][ T7704] netlink_rcv_skb+0x130/0x360 [12560.724554][ T7704] netlink_unicast+0x449/0x710 [12560.724554][ T7704] netlink_sendmsg+0x723/0xbe0 [12560.724554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12560.724554][ T7704] ___sys_sendmsg+0xee/0x170 [12560.724554][ T7704] __sys_sendmsg+0xcd/0x170 [12560.724554][ T7704] do_syscall_64+0xc6/0x1e0 [12560.724554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12560.724554][ T7704] [12560.726428][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12560.726428][ T7704] neigh_parms_alloc+0x1e5/0x510 [12560.726428][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12560.726428][ T7704] ipv6_find_idev+0x102/0x170 [12560.726428][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12560.726428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12560.726428][ T7704] netlink_rcv_skb+0x130/0x360 [12560.726428][ T7704] netlink_unicast+0x449/0x710 [12560.726428][ T7704] netlink_sendmsg+0x723/0xbe0 [12560.726428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12560.726428][ T7704] ___sys_sendmsg+0xee/0x170 [12560.726428][ T7704] __sys_sendmsg+0xcd/0x170 [12560.726428][ T7704] do_syscall_64+0xc6/0x1e0 [12560.726428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12560.726428][ T7704] [12570.980838][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12570.981315][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12570.981315][ T7704] netdev_get_by_index+0x5e/0x80 [12570.981315][ T7704] fib6_nh_init+0x3d8/0x15b0 [12570.981315][ T7704] ip6_route_info_create+0xf18/0x17d0 [12570.981315][ T7704] ip6_route_add+0x1c/0x140 [12570.981315][ T7704] addrconf_prefix_route+0x2a6/0x430 [12570.981315][ T7704] inet6_addr_add+0x4f8/0xa40 [12570.981315][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12570.981315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12570.981315][ T7704] netlink_rcv_skb+0x130/0x360 [12570.981315][ T7704] netlink_unicast+0x449/0x710 [12570.981315][ T7704] netlink_sendmsg+0x723/0xbe0 [12570.981315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12570.981315][ T7704] ___sys_sendmsg+0xee/0x170 [12570.981315][ T7704] __sys_sendmsg+0xcd/0x170 [12570.981315][ T7704] do_syscall_64+0xc6/0x1e0 [12570.981315][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12570.981315][ T7704] [12570.984106][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12570.984106][ T7704] netdev_get_by_index+0x5e/0x80 [12570.984106][ T7704] fib6_nh_init+0x3d8/0x15b0 [12570.984106][ T7704] ip6_route_info_create+0xf18/0x17d0 [12570.984106][ T7704] addrconf_f6i_alloc+0x315/0x560 [12570.984106][ T7704] ipv6_add_addr+0x411/0x2000 [12570.984106][ T7704] inet6_addr_add+0x30e/0xa40 [12570.984106][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12570.984106][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12570.984106][ T7704] netlink_rcv_skb+0x130/0x360 [12570.984106][ T7704] netlink_unicast+0x449/0x710 [12570.984106][ T7704] netlink_sendmsg+0x723/0xbe0 [12570.984106][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12570.984106][ T7704] ___sys_sendmsg+0xee/0x170 [12570.984106][ T7704] __sys_sendmsg+0xcd/0x170 [12570.984106][ T7704] do_syscall_64+0xc6/0x1e0 [12570.984106][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12570.984106][ T7704] [12570.986320][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12570.986320][ T7704] netdev_get_by_index+0x5e/0x80 [12570.986320][ T7704] fib6_nh_init+0x3d8/0x15b0 [12570.986320][ T7704] ip6_route_info_create+0xf18/0x17d0 [12570.986320][ T7704] ip6_route_add+0x1c/0x140 [12570.986320][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12570.986320][ T7704] addrconf_add_dev+0xe2/0x170 [12570.986320][ T7704] inet6_addr_add+0x12f/0xa40 [12570.986320][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12570.986320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12570.986320][ T7704] netlink_rcv_skb+0x130/0x360 [12570.986320][ T7704] netlink_unicast+0x449/0x710 [12570.986320][ T7704] netlink_sendmsg+0x723/0xbe0 [12570.986320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12570.986320][ T7704] ___sys_sendmsg+0xee/0x170 [12570.986320][ T7704] __sys_sendmsg+0xcd/0x170 [12570.986320][ T7704] do_syscall_64+0xc6/0x1e0 [12570.986320][ T7704] [12570.988514][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12570.988514][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12570.988514][ T7704] ipv6_find_idev+0x102/0x170 [12570.988514][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12570.988514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12570.988514][ T7704] netlink_rcv_skb+0x130/0x360 [12570.988514][ T7704] netlink_unicast+0x449/0x710 [12570.988514][ T7704] netlink_sendmsg+0x723/0xbe0 [12570.988514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12570.988514][ T7704] ___sys_sendmsg+0xee/0x170 [12570.988514][ T7704] __sys_sendmsg+0xcd/0x170 [12570.988514][ T7704] do_syscall_64+0xc6/0x1e0 [12570.988514][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12570.988514][ T7704] [12570.990218][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12570.990218][ T7704] neigh_parms_alloc+0x1e5/0x510 [12570.990218][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12570.990218][ T7704] ipv6_find_idev+0x102/0x170 [12570.990218][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12570.990218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12570.990218][ T7704] netlink_rcv_skb+0x130/0x360 [12570.990218][ T7704] netlink_unicast+0x449/0x710 [12570.990218][ T7704] netlink_sendmsg+0x723/0xbe0 [12570.990218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12570.990218][ T7704] ___sys_sendmsg+0xee/0x170 [12570.990218][ T7704] __sys_sendmsg+0xcd/0x170 [12570.990218][ T7704] do_syscall_64+0xc6/0x1e0 [12570.990218][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12570.990218][ T7704] [12581.236819][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12581.237308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12581.237308][ T7704] netdev_get_by_index+0x5e/0x80 [12581.237308][ T7704] fib6_nh_init+0x3d8/0x15b0 [12581.237308][ T7704] ip6_route_info_create+0xf18/0x17d0 [12581.237308][ T7704] ip6_route_add+0x1c/0x140 [12581.237308][ T7704] addrconf_prefix_route+0x2a6/0x430 [12581.237308][ T7704] inet6_addr_add+0x4f8/0xa40 [12581.237308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12581.237308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12581.237308][ T7704] netlink_rcv_skb+0x130/0x360 [12581.237308][ T7704] netlink_unicast+0x449/0x710 [12581.237308][ T7704] netlink_sendmsg+0x723/0xbe0 [12581.237308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12581.237308][ T7704] ___sys_sendmsg+0xee/0x170 [12581.237308][ T7704] __sys_sendmsg+0xcd/0x170 [12581.237308][ T7704] do_syscall_64+0xc6/0x1e0 [12581.237308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12581.237308][ T7704] [12581.239541][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12581.239541][ T7704] netdev_get_by_index+0x5e/0x80 [12581.239541][ T7704] fib6_nh_init+0x3d8/0x15b0 [12581.239541][ T7704] ip6_route_info_create+0xf18/0x17d0 [12581.239541][ T7704] addrconf_f6i_alloc+0x315/0x560 [12581.239541][ T7704] ipv6_add_addr+0x411/0x2000 [12581.239541][ T7704] inet6_addr_add+0x30e/0xa40 [12581.239541][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12581.239541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12581.239541][ T7704] netlink_rcv_skb+0x130/0x360 [12581.239541][ T7704] netlink_unicast+0x449/0x710 [12581.239541][ T7704] netlink_sendmsg+0x723/0xbe0 [12581.239541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12581.239541][ T7704] ___sys_sendmsg+0xee/0x170 [12581.239541][ T7704] __sys_sendmsg+0xcd/0x170 [12581.239541][ T7704] do_syscall_64+0xc6/0x1e0 [12581.239541][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12581.239541][ T7704] [12581.241758][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12581.241758][ T7704] netdev_get_by_index+0x5e/0x80 [12581.241758][ T7704] fib6_nh_init+0x3d8/0x15b0 [12581.241758][ T7704] ip6_route_info_create+0xf18/0x17d0 [12581.241758][ T7704] ip6_route_add+0x1c/0x140 [12581.241758][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12581.241758][ T7704] addrconf_add_dev+0xe2/0x170 [12581.241758][ T7704] inet6_addr_add+0x12f/0xa40 [12581.241758][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12581.241758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12581.241758][ T7704] netlink_rcv_skb+0x130/0x360 [12581.241758][ T7704] netlink_unicast+0x449/0x710 [12581.241758][ T7704] netlink_sendmsg+0x723/0xbe0 [12581.241758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12581.241758][ T7704] ___sys_sendmsg+0xee/0x170 [12581.241758][ T7704] __sys_sendmsg+0xcd/0x170 [12581.241758][ T7704] do_syscall_64+0xc6/0x1e0 [12581.241758][ T7704] [12581.243990][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12581.243990][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12581.243990][ T7704] ipv6_find_idev+0x102/0x170 [12581.243990][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12581.243990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12581.243990][ T7704] netlink_rcv_skb+0x130/0x360 [12581.243990][ T7704] netlink_unicast+0x449/0x710 [12581.243990][ T7704] netlink_sendmsg+0x723/0xbe0 [12581.243990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12581.243990][ T7704] ___sys_sendmsg+0xee/0x170 [12581.243990][ T7704] __sys_sendmsg+0xcd/0x170 [12581.243990][ T7704] do_syscall_64+0xc6/0x1e0 [12581.243990][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12581.243990][ T7704] [12581.245693][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12581.245693][ T7704] neigh_parms_alloc+0x1e5/0x510 [12581.245693][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12581.245693][ T7704] ipv6_find_idev+0x102/0x170 [12581.245693][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12581.245693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12581.245693][ T7704] netlink_rcv_skb+0x130/0x360 [12581.245693][ T7704] netlink_unicast+0x449/0x710 [12581.245693][ T7704] netlink_sendmsg+0x723/0xbe0 [12581.245693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12581.245693][ T7704] ___sys_sendmsg+0xee/0x170 [12581.245693][ T7704] __sys_sendmsg+0xcd/0x170 [12581.245693][ T7704] do_syscall_64+0xc6/0x1e0 [12581.245693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12581.245693][ T7704] [12591.500806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12591.501230][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12591.501230][ T7704] netdev_get_by_index+0x5e/0x80 [12591.501230][ T7704] fib6_nh_init+0x3d8/0x15b0 [12591.501230][ T7704] ip6_route_info_create+0xf18/0x17d0 [12591.501230][ T7704] ip6_route_add+0x1c/0x140 [12591.501230][ T7704] addrconf_prefix_route+0x2a6/0x430 [12591.501230][ T7704] inet6_addr_add+0x4f8/0xa40 [12591.501230][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12591.501230][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12591.501230][ T7704] netlink_rcv_skb+0x130/0x360 [12591.501230][ T7704] netlink_unicast+0x449/0x710 [12591.501230][ T7704] netlink_sendmsg+0x723/0xbe0 [12591.501230][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12591.501230][ T7704] ___sys_sendmsg+0xee/0x170 [12591.501230][ T7704] __sys_sendmsg+0xcd/0x170 [12591.501230][ T7704] do_syscall_64+0xc6/0x1e0 [12591.501230][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12591.501230][ T7704] [12591.503519][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12591.503519][ T7704] netdev_get_by_index+0x5e/0x80 [12591.503519][ T7704] fib6_nh_init+0x3d8/0x15b0 [12591.503519][ T7704] ip6_route_info_create+0xf18/0x17d0 [12591.503519][ T7704] addrconf_f6i_alloc+0x315/0x560 [12591.503519][ T7704] ipv6_add_addr+0x411/0x2000 [12591.503519][ T7704] inet6_addr_add+0x30e/0xa40 [12591.503519][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12591.503519][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12591.503519][ T7704] netlink_rcv_skb+0x130/0x360 [12591.503519][ T7704] netlink_unicast+0x449/0x710 [12591.503519][ T7704] netlink_sendmsg+0x723/0xbe0 [12591.503519][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12591.503519][ T7704] ___sys_sendmsg+0xee/0x170 [12591.503519][ T7704] __sys_sendmsg+0xcd/0x170 [12591.503519][ T7704] do_syscall_64+0xc6/0x1e0 [12591.503519][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12591.503519][ T7704] [12591.505734][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12591.505734][ T7704] netdev_get_by_index+0x5e/0x80 [12591.505734][ T7704] fib6_nh_init+0x3d8/0x15b0 [12591.505734][ T7704] ip6_route_info_create+0xf18/0x17d0 [12591.505734][ T7704] ip6_route_add+0x1c/0x140 [12591.505734][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12591.505734][ T7704] addrconf_add_dev+0xe2/0x170 [12591.505734][ T7704] inet6_addr_add+0x12f/0xa40 [12591.505734][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12591.505734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12591.505734][ T7704] netlink_rcv_skb+0x130/0x360 [12591.505734][ T7704] netlink_unicast+0x449/0x710 [12591.505734][ T7704] netlink_sendmsg+0x723/0xbe0 [12591.505734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12591.505734][ T7704] ___sys_sendmsg+0xee/0x170 [12591.505734][ T7704] __sys_sendmsg+0xcd/0x170 [12591.505734][ T7704] do_syscall_64+0xc6/0x1e0 [12591.505734][ T7704] [12591.507919][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12591.507919][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12591.507919][ T7704] ipv6_find_idev+0x102/0x170 [12591.507919][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12591.507919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12591.507919][ T7704] netlink_rcv_skb+0x130/0x360 [12591.507919][ T7704] netlink_unicast+0x449/0x710 [12591.507919][ T7704] netlink_sendmsg+0x723/0xbe0 [12591.507919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12591.507919][ T7704] ___sys_sendmsg+0xee/0x170 [12591.507919][ T7704] __sys_sendmsg+0xcd/0x170 [12591.507919][ T7704] do_syscall_64+0xc6/0x1e0 [12591.507919][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12591.507919][ T7704] [12591.509619][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12591.509619][ T7704] neigh_parms_alloc+0x1e5/0x510 [12591.509619][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12591.509619][ T7704] ipv6_find_idev+0x102/0x170 [12591.509619][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12591.509619][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12591.509619][ T7704] netlink_rcv_skb+0x130/0x360 [12591.509619][ T7704] netlink_unicast+0x449/0x710 [12591.509619][ T7704] netlink_sendmsg+0x723/0xbe0 [12591.509619][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12591.509619][ T7704] ___sys_sendmsg+0xee/0x170 [12591.509619][ T7704] __sys_sendmsg+0xcd/0x170 [12591.509619][ T7704] do_syscall_64+0xc6/0x1e0 [12591.509619][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12591.509619][ T7704] [12601.532788][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12601.533233][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12601.533233][ T7704] netdev_get_by_index+0x5e/0x80 [12601.533233][ T7704] fib6_nh_init+0x3d8/0x15b0 [12601.533233][ T7704] ip6_route_info_create+0xf18/0x17d0 [12601.533233][ T7704] ip6_route_add+0x1c/0x140 [12601.533233][ T7704] addrconf_prefix_route+0x2a6/0x430 [12601.533233][ T7704] inet6_addr_add+0x4f8/0xa40 [12601.533233][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12601.533233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12601.533233][ T7704] netlink_rcv_skb+0x130/0x360 [12601.533233][ T7704] netlink_unicast+0x449/0x710 [12601.533233][ T7704] netlink_sendmsg+0x723/0xbe0 [12601.533233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12601.533233][ T7704] ___sys_sendmsg+0xee/0x170 [12601.533233][ T7704] __sys_sendmsg+0xcd/0x170 [12601.533233][ T7704] do_syscall_64+0xc6/0x1e0 [12601.533233][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12601.533233][ T7704] [12601.535476][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12601.535476][ T7704] netdev_get_by_index+0x5e/0x80 [12601.535476][ T7704] fib6_nh_init+0x3d8/0x15b0 [12601.535476][ T7704] ip6_route_info_create+0xf18/0x17d0 [12601.535476][ T7704] addrconf_f6i_alloc+0x315/0x560 [12601.535476][ T7704] ipv6_add_addr+0x411/0x2000 [12601.535476][ T7704] inet6_addr_add+0x30e/0xa40 [12601.535476][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12601.535476][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12601.535476][ T7704] netlink_rcv_skb+0x130/0x360 [12601.535476][ T7704] netlink_unicast+0x449/0x710 [12601.535476][ T7704] netlink_sendmsg+0x723/0xbe0 [12601.535476][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12601.535476][ T7704] ___sys_sendmsg+0xee/0x170 [12601.535476][ T7704] __sys_sendmsg+0xcd/0x170 [12601.535476][ T7704] do_syscall_64+0xc6/0x1e0 [12601.535476][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12601.535476][ T7704] [12601.537676][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12601.537676][ T7704] netdev_get_by_index+0x5e/0x80 [12601.537676][ T7704] fib6_nh_init+0x3d8/0x15b0 [12601.537676][ T7704] ip6_route_info_create+0xf18/0x17d0 [12601.537676][ T7704] ip6_route_add+0x1c/0x140 [12601.537676][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12601.537676][ T7704] addrconf_add_dev+0xe2/0x170 [12601.537676][ T7704] inet6_addr_add+0x12f/0xa40 [12601.537676][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12601.537676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12601.537676][ T7704] netlink_rcv_skb+0x130/0x360 [12601.537676][ T7704] netlink_unicast+0x449/0x710 [12601.537676][ T7704] netlink_sendmsg+0x723/0xbe0 [12601.537676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12601.537676][ T7704] ___sys_sendmsg+0xee/0x170 [12601.537676][ T7704] __sys_sendmsg+0xcd/0x170 [12601.537676][ T7704] do_syscall_64+0xc6/0x1e0 [12601.537676][ T7704] [12601.540302][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12601.540302][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12601.540302][ T7704] ipv6_find_idev+0x102/0x170 [12601.540302][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12601.540302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12601.540302][ T7704] netlink_rcv_skb+0x130/0x360 [12601.540302][ T7704] netlink_unicast+0x449/0x710 [12601.540302][ T7704] netlink_sendmsg+0x723/0xbe0 [12601.540302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12601.540302][ T7704] ___sys_sendmsg+0xee/0x170 [12601.540302][ T7704] __sys_sendmsg+0xcd/0x170 [12601.540302][ T7704] do_syscall_64+0xc6/0x1e0 [12601.540302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12601.540302][ T7704] [12601.542172][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12601.542172][ T7704] neigh_parms_alloc+0x1e5/0x510 [12601.542172][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12601.542172][ T7704] ipv6_find_idev+0x102/0x170 [12601.542172][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12601.542172][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12601.542172][ T7704] netlink_rcv_skb+0x130/0x360 [12601.542172][ T7704] netlink_unicast+0x449/0x710 [12601.542172][ T7704] netlink_sendmsg+0x723/0xbe0 [12601.542172][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12601.542172][ T7704] ___sys_sendmsg+0xee/0x170 [12601.542172][ T7704] __sys_sendmsg+0xcd/0x170 [12601.542172][ T7704] do_syscall_64+0xc6/0x1e0 [12601.542172][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12601.542172][ T7704] [12611.780856][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12611.781301][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12611.781301][ T7704] netdev_get_by_index+0x5e/0x80 [12611.781301][ T7704] fib6_nh_init+0x3d8/0x15b0 [12611.781301][ T7704] ip6_route_info_create+0xf18/0x17d0 [12611.781301][ T7704] ip6_route_add+0x1c/0x140 [12611.781301][ T7704] addrconf_prefix_route+0x2a6/0x430 [12611.781301][ T7704] inet6_addr_add+0x4f8/0xa40 [12611.781301][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12611.781301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12611.781301][ T7704] netlink_rcv_skb+0x130/0x360 [12611.781301][ T7704] netlink_unicast+0x449/0x710 [12611.781301][ T7704] netlink_sendmsg+0x723/0xbe0 [12611.781301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12611.781301][ T7704] ___sys_sendmsg+0xee/0x170 [12611.781301][ T7704] __sys_sendmsg+0xcd/0x170 [12611.781301][ T7704] do_syscall_64+0xc6/0x1e0 [12611.781301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12611.781301][ T7704] [12611.783779][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12611.783779][ T7704] netdev_get_by_index+0x5e/0x80 [12611.783779][ T7704] fib6_nh_init+0x3d8/0x15b0 [12611.783779][ T7704] ip6_route_info_create+0xf18/0x17d0 [12611.783779][ T7704] addrconf_f6i_alloc+0x315/0x560 [12611.783779][ T7704] ipv6_add_addr+0x411/0x2000 [12611.783779][ T7704] inet6_addr_add+0x30e/0xa40 [12611.783779][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12611.783779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12611.783779][ T7704] netlink_rcv_skb+0x130/0x360 [12611.783779][ T7704] netlink_unicast+0x449/0x710 [12611.783779][ T7704] netlink_sendmsg+0x723/0xbe0 [12611.783779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12611.783779][ T7704] ___sys_sendmsg+0xee/0x170 [12611.783779][ T7704] __sys_sendmsg+0xcd/0x170 [12611.783779][ T7704] do_syscall_64+0xc6/0x1e0 [12611.783779][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12611.783779][ T7704] [12611.786220][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12611.786220][ T7704] netdev_get_by_index+0x5e/0x80 [12611.786220][ T7704] fib6_nh_init+0x3d8/0x15b0 [12611.786220][ T7704] ip6_route_info_create+0xf18/0x17d0 [12611.786220][ T7704] ip6_route_add+0x1c/0x140 [12611.786220][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12611.786220][ T7704] addrconf_add_dev+0xe2/0x170 [12611.786220][ T7704] inet6_addr_add+0x12f/0xa40 [12611.786220][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12611.786220][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12611.786220][ T7704] netlink_rcv_skb+0x130/0x360 [12611.786220][ T7704] netlink_unicast+0x449/0x710 [12611.786220][ T7704] netlink_sendmsg+0x723/0xbe0 [12611.786220][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12611.786220][ T7704] ___sys_sendmsg+0xee/0x170 [12611.786220][ T7704] __sys_sendmsg+0xcd/0x170 [12611.786220][ T7704] do_syscall_64+0xc6/0x1e0 [12611.786220][ T7704] [12611.788617][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12611.788617][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12611.788617][ T7704] ipv6_find_idev+0x102/0x170 [12611.788617][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12611.788617][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12611.788617][ T7704] netlink_rcv_skb+0x130/0x360 [12611.788617][ T7704] netlink_unicast+0x449/0x710 [12611.788617][ T7704] netlink_sendmsg+0x723/0xbe0 [12611.788617][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12611.788617][ T7704] ___sys_sendmsg+0xee/0x170 [12611.788617][ T7704] __sys_sendmsg+0xcd/0x170 [12611.788617][ T7704] do_syscall_64+0xc6/0x1e0 [12611.788617][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12611.788617][ T7704] [12611.790496][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12611.790496][ T7704] neigh_parms_alloc+0x1e5/0x510 [12611.790496][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12611.790496][ T7704] ipv6_find_idev+0x102/0x170 [12611.790496][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12611.790496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12611.790496][ T7704] netlink_rcv_skb+0x130/0x360 [12611.790496][ T7704] netlink_unicast+0x449/0x710 [12611.790496][ T7704] netlink_sendmsg+0x723/0xbe0 [12611.790496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12611.790496][ T7704] ___sys_sendmsg+0xee/0x170 [12611.790496][ T7704] __sys_sendmsg+0xcd/0x170 [12611.790496][ T7704] do_syscall_64+0xc6/0x1e0 [12611.790496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12611.790496][ T7704] [12622.028790][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12622.029233][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12622.029233][ T7704] netdev_get_by_index+0x5e/0x80 [12622.029233][ T7704] fib6_nh_init+0x3d8/0x15b0 [12622.029233][ T7704] ip6_route_info_create+0xf18/0x17d0 [12622.029233][ T7704] ip6_route_add+0x1c/0x140 [12622.029233][ T7704] addrconf_prefix_route+0x2a6/0x430 [12622.029233][ T7704] inet6_addr_add+0x4f8/0xa40 [12622.029233][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12622.029233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12622.029233][ T7704] netlink_rcv_skb+0x130/0x360 [12622.029233][ T7704] netlink_unicast+0x449/0x710 [12622.029233][ T7704] netlink_sendmsg+0x723/0xbe0 [12622.029233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12622.029233][ T7704] ___sys_sendmsg+0xee/0x170 [12622.029233][ T7704] __sys_sendmsg+0xcd/0x170 [12622.029233][ T7704] do_syscall_64+0xc6/0x1e0 [12622.029233][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12622.029233][ T7704] [12622.031682][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12622.031682][ T7704] netdev_get_by_index+0x5e/0x80 [12622.031682][ T7704] fib6_nh_init+0x3d8/0x15b0 [12622.031682][ T7704] ip6_route_info_create+0xf18/0x17d0 [12622.031682][ T7704] addrconf_f6i_alloc+0x315/0x560 [12622.031682][ T7704] ipv6_add_addr+0x411/0x2000 [12622.031682][ T7704] inet6_addr_add+0x30e/0xa40 [12622.031682][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12622.031682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12622.031682][ T7704] netlink_rcv_skb+0x130/0x360 [12622.031682][ T7704] netlink_unicast+0x449/0x710 [12622.031682][ T7704] netlink_sendmsg+0x723/0xbe0 [12622.031682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12622.031682][ T7704] ___sys_sendmsg+0xee/0x170 [12622.031682][ T7704] __sys_sendmsg+0xcd/0x170 [12622.031682][ T7704] do_syscall_64+0xc6/0x1e0 [12622.031682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12622.031682][ T7704] [12622.034147][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12622.034147][ T7704] netdev_get_by_index+0x5e/0x80 [12622.034147][ T7704] fib6_nh_init+0x3d8/0x15b0 [12622.034147][ T7704] ip6_route_info_create+0xf18/0x17d0 [12622.034147][ T7704] ip6_route_add+0x1c/0x140 [12622.034147][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12622.034147][ T7704] addrconf_add_dev+0xe2/0x170 [12622.034147][ T7704] inet6_addr_add+0x12f/0xa40 [12622.034147][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12622.034147][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12622.034147][ T7704] netlink_rcv_skb+0x130/0x360 [12622.034147][ T7704] netlink_unicast+0x449/0x710 [12622.034147][ T7704] netlink_sendmsg+0x723/0xbe0 [12622.034147][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12622.034147][ T7704] ___sys_sendmsg+0xee/0x170 [12622.034147][ T7704] __sys_sendmsg+0xcd/0x170 [12622.034147][ T7704] do_syscall_64+0xc6/0x1e0 [12622.034147][ T7704] [12622.036568][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12622.036568][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12622.036568][ T7704] ipv6_find_idev+0x102/0x170 [12622.036568][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12622.036568][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12622.036568][ T7704] netlink_rcv_skb+0x130/0x360 [12622.036568][ T7704] netlink_unicast+0x449/0x710 [12622.036568][ T7704] netlink_sendmsg+0x723/0xbe0 [12622.036568][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12622.036568][ T7704] ___sys_sendmsg+0xee/0x170 [12622.036568][ T7704] __sys_sendmsg+0xcd/0x170 [12622.036568][ T7704] do_syscall_64+0xc6/0x1e0 [12622.036568][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12622.036568][ T7704] [12622.038445][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12622.038445][ T7704] neigh_parms_alloc+0x1e5/0x510 [12622.038445][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12622.038445][ T7704] ipv6_find_idev+0x102/0x170 [12622.038445][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12622.038445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12622.038445][ T7704] netlink_rcv_skb+0x130/0x360 [12622.038445][ T7704] netlink_unicast+0x449/0x710 [12622.038445][ T7704] netlink_sendmsg+0x723/0xbe0 [12622.038445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12622.038445][ T7704] ___sys_sendmsg+0xee/0x170 [12622.038445][ T7704] __sys_sendmsg+0xcd/0x170 [12622.038445][ T7704] do_syscall_64+0xc6/0x1e0 [12622.038445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12622.038445][ T7704] [12632.276863][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12632.277455][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12632.277455][ T7704] netdev_get_by_index+0x5e/0x80 [12632.277455][ T7704] fib6_nh_init+0x3d8/0x15b0 [12632.277455][ T7704] ip6_route_info_create+0xf18/0x17d0 [12632.277455][ T7704] ip6_route_add+0x1c/0x140 [12632.277455][ T7704] addrconf_prefix_route+0x2a6/0x430 [12632.277455][ T7704] inet6_addr_add+0x4f8/0xa40 [12632.277455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12632.277455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12632.277455][ T7704] netlink_rcv_skb+0x130/0x360 [12632.277455][ T7704] netlink_unicast+0x449/0x710 [12632.277455][ T7704] netlink_sendmsg+0x723/0xbe0 [12632.277455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12632.277455][ T7704] ___sys_sendmsg+0xee/0x170 [12632.277455][ T7704] __sys_sendmsg+0xcd/0x170 [12632.277455][ T7704] do_syscall_64+0xc6/0x1e0 [12632.277455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12632.277455][ T7704] [12632.279701][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12632.279701][ T7704] netdev_get_by_index+0x5e/0x80 [12632.279701][ T7704] fib6_nh_init+0x3d8/0x15b0 [12632.279701][ T7704] ip6_route_info_create+0xf18/0x17d0 [12632.279701][ T7704] addrconf_f6i_alloc+0x315/0x560 [12632.279701][ T7704] ipv6_add_addr+0x411/0x2000 [12632.279701][ T7704] inet6_addr_add+0x30e/0xa40 [12632.279701][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12632.279701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12632.279701][ T7704] netlink_rcv_skb+0x130/0x360 [12632.279701][ T7704] netlink_unicast+0x449/0x710 [12632.279701][ T7704] netlink_sendmsg+0x723/0xbe0 [12632.279701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12632.279701][ T7704] ___sys_sendmsg+0xee/0x170 [12632.279701][ T7704] __sys_sendmsg+0xcd/0x170 [12632.279701][ T7704] do_syscall_64+0xc6/0x1e0 [12632.279701][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12632.279701][ T7704] [12632.281913][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12632.281913][ T7704] netdev_get_by_index+0x5e/0x80 [12632.281913][ T7704] fib6_nh_init+0x3d8/0x15b0 [12632.281913][ T7704] ip6_route_info_create+0xf18/0x17d0 [12632.281913][ T7704] ip6_route_add+0x1c/0x140 [12632.281913][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12632.281913][ T7704] addrconf_add_dev+0xe2/0x170 [12632.281913][ T7704] inet6_addr_add+0x12f/0xa40 [12632.281913][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12632.281913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12632.281913][ T7704] netlink_rcv_skb+0x130/0x360 [12632.281913][ T7704] netlink_unicast+0x449/0x710 [12632.281913][ T7704] netlink_sendmsg+0x723/0xbe0 [12632.281913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12632.281913][ T7704] ___sys_sendmsg+0xee/0x170 [12632.281913][ T7704] __sys_sendmsg+0xcd/0x170 [12632.281913][ T7704] do_syscall_64+0xc6/0x1e0 [12632.281913][ T7704] [12632.284084][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12632.284084][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12632.284084][ T7704] ipv6_find_idev+0x102/0x170 [12632.284084][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12632.284084][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12632.284084][ T7704] netlink_rcv_skb+0x130/0x360 [12632.284084][ T7704] netlink_unicast+0x449/0x710 [12632.284084][ T7704] netlink_sendmsg+0x723/0xbe0 [12632.284084][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12632.284084][ T7704] ___sys_sendmsg+0xee/0x170 [12632.284084][ T7704] __sys_sendmsg+0xcd/0x170 [12632.284084][ T7704] do_syscall_64+0xc6/0x1e0 [12632.284084][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12632.284084][ T7704] [12632.285782][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12632.285782][ T7704] neigh_parms_alloc+0x1e5/0x510 [12632.285782][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12632.285782][ T7704] ipv6_find_idev+0x102/0x170 [12632.285782][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12632.285782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12632.285782][ T7704] netlink_rcv_skb+0x130/0x360 [12632.285782][ T7704] netlink_unicast+0x449/0x710 [12632.285782][ T7704] netlink_sendmsg+0x723/0xbe0 [12632.285782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12632.285782][ T7704] ___sys_sendmsg+0xee/0x170 [12632.285782][ T7704] __sys_sendmsg+0xcd/0x170 [12632.285782][ T7704] do_syscall_64+0xc6/0x1e0 [12632.285782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12632.285782][ T7704] [12642.444889][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12642.445374][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12642.445374][ T7704] netdev_get_by_index+0x5e/0x80 [12642.445374][ T7704] fib6_nh_init+0x3d8/0x15b0 [12642.445374][ T7704] ip6_route_info_create+0xf18/0x17d0 [12642.445374][ T7704] ip6_route_add+0x1c/0x140 [12642.445374][ T7704] addrconf_prefix_route+0x2a6/0x430 [12642.445374][ T7704] inet6_addr_add+0x4f8/0xa40 [12642.445374][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12642.445374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12642.445374][ T7704] netlink_rcv_skb+0x130/0x360 [12642.445374][ T7704] netlink_unicast+0x449/0x710 [12642.445374][ T7704] netlink_sendmsg+0x723/0xbe0 [12642.445374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12642.445374][ T7704] ___sys_sendmsg+0xee/0x170 [12642.445374][ T7704] __sys_sendmsg+0xcd/0x170 [12642.445374][ T7704] do_syscall_64+0xc6/0x1e0 [12642.445374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12642.445374][ T7704] [12642.447614][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12642.447614][ T7704] netdev_get_by_index+0x5e/0x80 [12642.447614][ T7704] fib6_nh_init+0x3d8/0x15b0 [12642.447614][ T7704] ip6_route_info_create+0xf18/0x17d0 [12642.447614][ T7704] addrconf_f6i_alloc+0x315/0x560 [12642.447614][ T7704] ipv6_add_addr+0x411/0x2000 [12642.447614][ T7704] inet6_addr_add+0x30e/0xa40 [12642.447614][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12642.447614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12642.447614][ T7704] netlink_rcv_skb+0x130/0x360 [12642.447614][ T7704] netlink_unicast+0x449/0x710 [12642.447614][ T7704] netlink_sendmsg+0x723/0xbe0 [12642.447614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12642.447614][ T7704] ___sys_sendmsg+0xee/0x170 [12642.447614][ T7704] __sys_sendmsg+0xcd/0x170 [12642.447614][ T7704] do_syscall_64+0xc6/0x1e0 [12642.447614][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12642.447614][ T7704] [12642.450043][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12642.450043][ T7704] netdev_get_by_index+0x5e/0x80 [12642.450043][ T7704] fib6_nh_init+0x3d8/0x15b0 [12642.450043][ T7704] ip6_route_info_create+0xf18/0x17d0 [12642.450043][ T7704] ip6_route_add+0x1c/0x140 [12642.450043][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12642.450043][ T7704] addrconf_add_dev+0xe2/0x170 [12642.450043][ T7704] inet6_addr_add+0x12f/0xa40 [12642.450043][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12642.450043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12642.450043][ T7704] netlink_rcv_skb+0x130/0x360 [12642.450043][ T7704] netlink_unicast+0x449/0x710 [12642.450043][ T7704] netlink_sendmsg+0x723/0xbe0 [12642.450043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12642.450043][ T7704] ___sys_sendmsg+0xee/0x170 [12642.450043][ T7704] __sys_sendmsg+0xcd/0x170 [12642.450043][ T7704] do_syscall_64+0xc6/0x1e0 [12642.450043][ T7704] [12642.452244][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12642.452244][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12642.452244][ T7704] ipv6_find_idev+0x102/0x170 [12642.452244][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12642.452244][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12642.452244][ T7704] netlink_rcv_skb+0x130/0x360 [12642.452244][ T7704] netlink_unicast+0x449/0x710 [12642.452244][ T7704] netlink_sendmsg+0x723/0xbe0 [12642.452244][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12642.452244][ T7704] ___sys_sendmsg+0xee/0x170 [12642.452244][ T7704] __sys_sendmsg+0xcd/0x170 [12642.452244][ T7704] do_syscall_64+0xc6/0x1e0 [12642.452244][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12642.452244][ T7704] [12642.454495][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12642.454495][ T7704] neigh_parms_alloc+0x1e5/0x510 [12642.454495][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12642.454495][ T7704] ipv6_find_idev+0x102/0x170 [12642.454495][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12642.454495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12642.454495][ T7704] netlink_rcv_skb+0x130/0x360 [12642.454495][ T7704] netlink_unicast+0x449/0x710 [12642.454495][ T7704] netlink_sendmsg+0x723/0xbe0 [12642.454495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12642.454495][ T7704] ___sys_sendmsg+0xee/0x170 [12642.454495][ T7704] __sys_sendmsg+0xcd/0x170 [12642.454495][ T7704] do_syscall_64+0xc6/0x1e0 [12642.454495][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12642.454495][ T7704] [12652.692786][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12652.693217][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12652.693217][ T7704] netdev_get_by_index+0x5e/0x80 [12652.693217][ T7704] fib6_nh_init+0x3d8/0x15b0 [12652.693217][ T7704] ip6_route_info_create+0xf18/0x17d0 [12652.693217][ T7704] ip6_route_add+0x1c/0x140 [12652.693217][ T7704] addrconf_prefix_route+0x2a6/0x430 [12652.693217][ T7704] inet6_addr_add+0x4f8/0xa40 [12652.693217][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12652.693217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12652.693217][ T7704] netlink_rcv_skb+0x130/0x360 [12652.693217][ T7704] netlink_unicast+0x449/0x710 [12652.693217][ T7704] netlink_sendmsg+0x723/0xbe0 [12652.693217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12652.693217][ T7704] ___sys_sendmsg+0xee/0x170 [12652.693217][ T7704] __sys_sendmsg+0xcd/0x170 [12652.693217][ T7704] do_syscall_64+0xc6/0x1e0 [12652.693217][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12652.693217][ T7704] [12652.695487][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12652.695487][ T7704] netdev_get_by_index+0x5e/0x80 [12652.695487][ T7704] fib6_nh_init+0x3d8/0x15b0 [12652.695487][ T7704] ip6_route_info_create+0xf18/0x17d0 [12652.695487][ T7704] addrconf_f6i_alloc+0x315/0x560 [12652.695487][ T7704] ipv6_add_addr+0x411/0x2000 [12652.695487][ T7704] inet6_addr_add+0x30e/0xa40 [12652.695487][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12652.695487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12652.695487][ T7704] netlink_rcv_skb+0x130/0x360 [12652.695487][ T7704] netlink_unicast+0x449/0x710 [12652.695487][ T7704] netlink_sendmsg+0x723/0xbe0 [12652.695487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12652.695487][ T7704] ___sys_sendmsg+0xee/0x170 [12652.695487][ T7704] __sys_sendmsg+0xcd/0x170 [12652.695487][ T7704] do_syscall_64+0xc6/0x1e0 [12652.695487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12652.695487][ T7704] [12652.697826][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12652.697826][ T7704] netdev_get_by_index+0x5e/0x80 [12652.697826][ T7704] fib6_nh_init+0x3d8/0x15b0 [12652.697826][ T7704] ip6_route_info_create+0xf18/0x17d0 [12652.697826][ T7704] ip6_route_add+0x1c/0x140 [12652.697826][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12652.697826][ T7704] addrconf_add_dev+0xe2/0x170 [12652.697826][ T7704] inet6_addr_add+0x12f/0xa40 [12652.697826][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12652.697826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12652.697826][ T7704] netlink_rcv_skb+0x130/0x360 [12652.697826][ T7704] netlink_unicast+0x449/0x710 [12652.697826][ T7704] netlink_sendmsg+0x723/0xbe0 [12652.697826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12652.697826][ T7704] ___sys_sendmsg+0xee/0x170 [12652.697826][ T7704] __sys_sendmsg+0xcd/0x170 [12652.697826][ T7704] do_syscall_64+0xc6/0x1e0 [12652.697826][ T7704] [12652.700224][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12652.700224][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12652.700224][ T7704] ipv6_find_idev+0x102/0x170 [12652.700224][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12652.700224][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12652.700224][ T7704] netlink_rcv_skb+0x130/0x360 [12652.700224][ T7704] netlink_unicast+0x449/0x710 [12652.700224][ T7704] netlink_sendmsg+0x723/0xbe0 [12652.700224][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12652.700224][ T7704] ___sys_sendmsg+0xee/0x170 [12652.700224][ T7704] __sys_sendmsg+0xcd/0x170 [12652.700224][ T7704] do_syscall_64+0xc6/0x1e0 [12652.700224][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12652.700224][ T7704] [12652.702123][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12652.702123][ T7704] neigh_parms_alloc+0x1e5/0x510 [12652.702123][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12652.702123][ T7704] ipv6_find_idev+0x102/0x170 [12652.702123][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12652.702123][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12652.702123][ T7704] netlink_rcv_skb+0x130/0x360 [12652.702123][ T7704] netlink_unicast+0x449/0x710 [12652.702123][ T7704] netlink_sendmsg+0x723/0xbe0 [12652.702123][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12652.702123][ T7704] ___sys_sendmsg+0xee/0x170 [12652.702123][ T7704] __sys_sendmsg+0xcd/0x170 [12652.702123][ T7704] do_syscall_64+0xc6/0x1e0 [12652.702123][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12652.702123][ T7704] [12662.796850][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12662.797360][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12662.797360][ T7704] netdev_get_by_index+0x5e/0x80 [12662.797360][ T7704] fib6_nh_init+0x3d8/0x15b0 [12662.797360][ T7704] ip6_route_info_create+0xf18/0x17d0 [12662.797360][ T7704] ip6_route_add+0x1c/0x140 [12662.797360][ T7704] addrconf_prefix_route+0x2a6/0x430 [12662.797360][ T7704] inet6_addr_add+0x4f8/0xa40 [12662.797360][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12662.797360][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12662.797360][ T7704] netlink_rcv_skb+0x130/0x360 [12662.797360][ T7704] netlink_unicast+0x449/0x710 [12662.797360][ T7704] netlink_sendmsg+0x723/0xbe0 [12662.797360][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12662.797360][ T7704] ___sys_sendmsg+0xee/0x170 [12662.797360][ T7704] __sys_sendmsg+0xcd/0x170 [12662.797360][ T7704] do_syscall_64+0xc6/0x1e0 [12662.797360][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12662.797360][ T7704] [12662.799593][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12662.799593][ T7704] netdev_get_by_index+0x5e/0x80 [12662.799593][ T7704] fib6_nh_init+0x3d8/0x15b0 [12662.799593][ T7704] ip6_route_info_create+0xf18/0x17d0 [12662.799593][ T7704] addrconf_f6i_alloc+0x315/0x560 [12662.799593][ T7704] ipv6_add_addr+0x411/0x2000 [12662.799593][ T7704] inet6_addr_add+0x30e/0xa40 [12662.799593][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12662.799593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12662.799593][ T7704] netlink_rcv_skb+0x130/0x360 [12662.799593][ T7704] netlink_unicast+0x449/0x710 [12662.799593][ T7704] netlink_sendmsg+0x723/0xbe0 [12662.799593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12662.799593][ T7704] ___sys_sendmsg+0xee/0x170 [12662.799593][ T7704] __sys_sendmsg+0xcd/0x170 [12662.799593][ T7704] do_syscall_64+0xc6/0x1e0 [12662.799593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12662.799593][ T7704] [12662.801814][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12662.801814][ T7704] netdev_get_by_index+0x5e/0x80 [12662.801814][ T7704] fib6_nh_init+0x3d8/0x15b0 [12662.801814][ T7704] ip6_route_info_create+0xf18/0x17d0 [12662.801814][ T7704] ip6_route_add+0x1c/0x140 [12662.801814][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12662.801814][ T7704] addrconf_add_dev+0xe2/0x170 [12662.801814][ T7704] inet6_addr_add+0x12f/0xa40 [12662.801814][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12662.801814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12662.801814][ T7704] netlink_rcv_skb+0x130/0x360 [12662.801814][ T7704] netlink_unicast+0x449/0x710 [12662.801814][ T7704] netlink_sendmsg+0x723/0xbe0 [12662.801814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12662.801814][ T7704] ___sys_sendmsg+0xee/0x170 [12662.801814][ T7704] __sys_sendmsg+0xcd/0x170 [12662.801814][ T7704] do_syscall_64+0xc6/0x1e0 [12662.801814][ T7704] [12662.804001][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12662.804001][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12662.804001][ T7704] ipv6_find_idev+0x102/0x170 [12662.804001][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12662.804001][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12662.804001][ T7704] netlink_rcv_skb+0x130/0x360 [12662.804001][ T7704] netlink_unicast+0x449/0x710 [12662.804001][ T7704] netlink_sendmsg+0x723/0xbe0 [12662.804001][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12662.804001][ T7704] ___sys_sendmsg+0xee/0x170 [12662.804001][ T7704] __sys_sendmsg+0xcd/0x170 [12662.804001][ T7704] do_syscall_64+0xc6/0x1e0 [12662.804001][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12662.804001][ T7704] [12662.805703][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12662.805703][ T7704] neigh_parms_alloc+0x1e5/0x510 [12662.805703][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12662.805703][ T7704] ipv6_find_idev+0x102/0x170 [12662.805703][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12662.805703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12662.805703][ T7704] netlink_rcv_skb+0x130/0x360 [12662.805703][ T7704] netlink_unicast+0x449/0x710 [12662.805703][ T7704] netlink_sendmsg+0x723/0xbe0 [12662.805703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12662.805703][ T7704] ___sys_sendmsg+0xee/0x170 [12662.805703][ T7704] __sys_sendmsg+0xcd/0x170 [12662.805703][ T7704] do_syscall_64+0xc6/0x1e0 [12662.805703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12662.805703][ T7704] [12672.868830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12672.869303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12672.869303][ T7704] netdev_get_by_index+0x5e/0x80 [12672.869303][ T7704] fib6_nh_init+0x3d8/0x15b0 [12672.869303][ T7704] ip6_route_info_create+0xf18/0x17d0 [12672.869303][ T7704] ip6_route_add+0x1c/0x140 [12672.869303][ T7704] addrconf_prefix_route+0x2a6/0x430 [12672.869303][ T7704] inet6_addr_add+0x4f8/0xa40 [12672.869303][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12672.869303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12672.869303][ T7704] netlink_rcv_skb+0x130/0x360 [12672.869303][ T7704] netlink_unicast+0x449/0x710 [12672.869303][ T7704] netlink_sendmsg+0x723/0xbe0 [12672.869303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12672.869303][ T7704] ___sys_sendmsg+0xee/0x170 [12672.869303][ T7704] __sys_sendmsg+0xcd/0x170 [12672.869303][ T7704] do_syscall_64+0xc6/0x1e0 [12672.869303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12672.869303][ T7704] [12672.871550][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12672.871550][ T7704] netdev_get_by_index+0x5e/0x80 [12672.871550][ T7704] fib6_nh_init+0x3d8/0x15b0 [12672.871550][ T7704] ip6_route_info_create+0xf18/0x17d0 [12672.871550][ T7704] addrconf_f6i_alloc+0x315/0x560 [12672.871550][ T7704] ipv6_add_addr+0x411/0x2000 [12672.871550][ T7704] inet6_addr_add+0x30e/0xa40 [12672.871550][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12672.871550][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12672.871550][ T7704] netlink_rcv_skb+0x130/0x360 [12672.871550][ T7704] netlink_unicast+0x449/0x710 [12672.871550][ T7704] netlink_sendmsg+0x723/0xbe0 [12672.871550][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12672.871550][ T7704] ___sys_sendmsg+0xee/0x170 [12672.871550][ T7704] __sys_sendmsg+0xcd/0x170 [12672.871550][ T7704] do_syscall_64+0xc6/0x1e0 [12672.871550][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12672.871550][ T7704] [12672.873772][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12672.873772][ T7704] netdev_get_by_index+0x5e/0x80 [12672.873772][ T7704] fib6_nh_init+0x3d8/0x15b0 [12672.873772][ T7704] ip6_route_info_create+0xf18/0x17d0 [12672.873772][ T7704] ip6_route_add+0x1c/0x140 [12672.873772][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12672.873772][ T7704] addrconf_add_dev+0xe2/0x170 [12672.873772][ T7704] inet6_addr_add+0x12f/0xa40 [12672.873772][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12672.873772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12672.873772][ T7704] netlink_rcv_skb+0x130/0x360 [12672.873772][ T7704] netlink_unicast+0x449/0x710 [12672.873772][ T7704] netlink_sendmsg+0x723/0xbe0 [12672.873772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12672.873772][ T7704] ___sys_sendmsg+0xee/0x170 [12672.873772][ T7704] __sys_sendmsg+0xcd/0x170 [12672.873772][ T7704] do_syscall_64+0xc6/0x1e0 [12672.873772][ T7704] [12672.875948][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12672.875948][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12672.875948][ T7704] ipv6_find_idev+0x102/0x170 [12672.875948][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12672.875948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12672.875948][ T7704] netlink_rcv_skb+0x130/0x360 [12672.875948][ T7704] netlink_unicast+0x449/0x710 [12672.875948][ T7704] netlink_sendmsg+0x723/0xbe0 [12672.875948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12672.875948][ T7704] ___sys_sendmsg+0xee/0x170 [12672.875948][ T7704] __sys_sendmsg+0xcd/0x170 [12672.875948][ T7704] do_syscall_64+0xc6/0x1e0 [12672.875948][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12672.875948][ T7704] [12672.877675][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12672.877675][ T7704] neigh_parms_alloc+0x1e5/0x510 [12672.877675][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12672.877675][ T7704] ipv6_find_idev+0x102/0x170 [12672.877675][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12672.877675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12672.877675][ T7704] netlink_rcv_skb+0x130/0x360 [12672.877675][ T7704] netlink_unicast+0x449/0x710 [12672.877675][ T7704] netlink_sendmsg+0x723/0xbe0 [12672.877675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12672.877675][ T7704] ___sys_sendmsg+0xee/0x170 [12672.877675][ T7704] __sys_sendmsg+0xcd/0x170 [12672.877675][ T7704] do_syscall_64+0xc6/0x1e0 [12672.877675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12672.877675][ T7704] [12683.124839][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12683.125326][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12683.125326][ T7704] netdev_get_by_index+0x5e/0x80 [12683.125326][ T7704] fib6_nh_init+0x3d8/0x15b0 [12683.125326][ T7704] ip6_route_info_create+0xf18/0x17d0 [12683.125326][ T7704] ip6_route_add+0x1c/0x140 [12683.125326][ T7704] addrconf_prefix_route+0x2a6/0x430 [12683.125326][ T7704] inet6_addr_add+0x4f8/0xa40 [12683.125326][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12683.125326][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12683.125326][ T7704] netlink_rcv_skb+0x130/0x360 [12683.125326][ T7704] netlink_unicast+0x449/0x710 [12683.125326][ T7704] netlink_sendmsg+0x723/0xbe0 [12683.125326][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12683.125326][ T7704] ___sys_sendmsg+0xee/0x170 [12683.125326][ T7704] __sys_sendmsg+0xcd/0x170 [12683.125326][ T7704] do_syscall_64+0xc6/0x1e0 [12683.125326][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12683.125326][ T7704] [12683.127575][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12683.127575][ T7704] netdev_get_by_index+0x5e/0x80 [12683.127575][ T7704] fib6_nh_init+0x3d8/0x15b0 [12683.127575][ T7704] ip6_route_info_create+0xf18/0x17d0 [12683.127575][ T7704] addrconf_f6i_alloc+0x315/0x560 [12683.127575][ T7704] ipv6_add_addr+0x411/0x2000 [12683.127575][ T7704] inet6_addr_add+0x30e/0xa40 [12683.127575][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12683.127575][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12683.127575][ T7704] netlink_rcv_skb+0x130/0x360 [12683.127575][ T7704] netlink_unicast+0x449/0x710 [12683.127575][ T7704] netlink_sendmsg+0x723/0xbe0 [12683.127575][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12683.127575][ T7704] ___sys_sendmsg+0xee/0x170 [12683.127575][ T7704] __sys_sendmsg+0xcd/0x170 [12683.127575][ T7704] do_syscall_64+0xc6/0x1e0 [12683.127575][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12683.127575][ T7704] [12683.129787][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12683.129787][ T7704] netdev_get_by_index+0x5e/0x80 [12683.129787][ T7704] fib6_nh_init+0x3d8/0x15b0 [12683.129787][ T7704] ip6_route_info_create+0xf18/0x17d0 [12683.129787][ T7704] ip6_route_add+0x1c/0x140 [12683.129787][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12683.129787][ T7704] addrconf_add_dev+0xe2/0x170 [12683.129787][ T7704] inet6_addr_add+0x12f/0xa40 [12683.129787][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12683.129787][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12683.129787][ T7704] netlink_rcv_skb+0x130/0x360 [12683.129787][ T7704] netlink_unicast+0x449/0x710 [12683.129787][ T7704] netlink_sendmsg+0x723/0xbe0 [12683.129787][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12683.129787][ T7704] ___sys_sendmsg+0xee/0x170 [12683.129787][ T7704] __sys_sendmsg+0xcd/0x170 [12683.129787][ T7704] do_syscall_64+0xc6/0x1e0 [12683.129787][ T7704] [12683.132032][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12683.132032][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12683.132032][ T7704] ipv6_find_idev+0x102/0x170 [12683.132032][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12683.132032][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12683.132032][ T7704] netlink_rcv_skb+0x130/0x360 [12683.132032][ T7704] netlink_unicast+0x449/0x710 [12683.132032][ T7704] netlink_sendmsg+0x723/0xbe0 [12683.132032][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12683.132032][ T7704] ___sys_sendmsg+0xee/0x170 [12683.132032][ T7704] __sys_sendmsg+0xcd/0x170 [12683.132032][ T7704] do_syscall_64+0xc6/0x1e0 [12683.132032][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12683.132032][ T7704] [12683.133732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12683.133732][ T7704] neigh_parms_alloc+0x1e5/0x510 [12683.133732][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12683.133732][ T7704] ipv6_find_idev+0x102/0x170 [12683.133732][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12683.133732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12683.133732][ T7704] netlink_rcv_skb+0x130/0x360 [12683.133732][ T7704] netlink_unicast+0x449/0x710 [12683.133732][ T7704] netlink_sendmsg+0x723/0xbe0 [12683.133732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12683.133732][ T7704] ___sys_sendmsg+0xee/0x170 [12683.133732][ T7704] __sys_sendmsg+0xcd/0x170 [12683.133732][ T7704] do_syscall_64+0xc6/0x1e0 [12683.133732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12683.133732][ T7704] [12693.244854][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12693.245315][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12693.245315][ T7704] netdev_get_by_index+0x5e/0x80 [12693.245315][ T7704] fib6_nh_init+0x3d8/0x15b0 [12693.245315][ T7704] ip6_route_info_create+0xf18/0x17d0 [12693.245315][ T7704] ip6_route_add+0x1c/0x140 [12693.245315][ T7704] addrconf_prefix_route+0x2a6/0x430 [12693.245315][ T7704] inet6_addr_add+0x4f8/0xa40 [12693.245315][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12693.245315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12693.245315][ T7704] netlink_rcv_skb+0x130/0x360 [12693.245315][ T7704] netlink_unicast+0x449/0x710 [12693.245315][ T7704] netlink_sendmsg+0x723/0xbe0 [12693.245315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12693.245315][ T7704] ___sys_sendmsg+0xee/0x170 [12693.245315][ T7704] __sys_sendmsg+0xcd/0x170 [12693.245315][ T7704] do_syscall_64+0xc6/0x1e0 [12693.245315][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12693.245315][ T7704] [12693.247731][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12693.247731][ T7704] netdev_get_by_index+0x5e/0x80 [12693.247731][ T7704] fib6_nh_init+0x3d8/0x15b0 [12693.247731][ T7704] ip6_route_info_create+0xf18/0x17d0 [12693.247731][ T7704] addrconf_f6i_alloc+0x315/0x560 [12693.247731][ T7704] ipv6_add_addr+0x411/0x2000 [12693.247731][ T7704] inet6_addr_add+0x30e/0xa40 [12693.247731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12693.247731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12693.247731][ T7704] netlink_rcv_skb+0x130/0x360 [12693.247731][ T7704] netlink_unicast+0x449/0x710 [12693.247731][ T7704] netlink_sendmsg+0x723/0xbe0 [12693.247731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12693.247731][ T7704] ___sys_sendmsg+0xee/0x170 [12693.247731][ T7704] __sys_sendmsg+0xcd/0x170 [12693.247731][ T7704] do_syscall_64+0xc6/0x1e0 [12693.247731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12693.247731][ T7704] [12693.250135][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12693.250135][ T7704] netdev_get_by_index+0x5e/0x80 [12693.250135][ T7704] fib6_nh_init+0x3d8/0x15b0 [12693.250135][ T7704] ip6_route_info_create+0xf18/0x17d0 [12693.250135][ T7704] ip6_route_add+0x1c/0x140 [12693.250135][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12693.250135][ T7704] addrconf_add_dev+0xe2/0x170 [12693.250135][ T7704] inet6_addr_add+0x12f/0xa40 [12693.250135][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12693.250135][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12693.250135][ T7704] netlink_rcv_skb+0x130/0x360 [12693.250135][ T7704] netlink_unicast+0x449/0x710 [12693.250135][ T7704] netlink_sendmsg+0x723/0xbe0 [12693.250135][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12693.250135][ T7704] ___sys_sendmsg+0xee/0x170 [12693.250135][ T7704] __sys_sendmsg+0xcd/0x170 [12693.250135][ T7704] do_syscall_64+0xc6/0x1e0 [12693.250135][ T7704] [12693.252507][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12693.252507][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12693.252507][ T7704] ipv6_find_idev+0x102/0x170 [12693.252507][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12693.252507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12693.252507][ T7704] netlink_rcv_skb+0x130/0x360 [12693.252507][ T7704] netlink_unicast+0x449/0x710 [12693.252507][ T7704] netlink_sendmsg+0x723/0xbe0 [12693.252507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12693.252507][ T7704] ___sys_sendmsg+0xee/0x170 [12693.252507][ T7704] __sys_sendmsg+0xcd/0x170 [12693.252507][ T7704] do_syscall_64+0xc6/0x1e0 [12693.252507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12693.252507][ T7704] [12693.254881][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12693.254881][ T7704] neigh_parms_alloc+0x1e5/0x510 [12693.254881][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12693.254881][ T7704] ipv6_find_idev+0x102/0x170 [12693.254881][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12693.254881][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12693.254881][ T7704] netlink_rcv_skb+0x130/0x360 [12693.254881][ T7704] netlink_unicast+0x449/0x710 [12693.254881][ T7704] netlink_sendmsg+0x723/0xbe0 [12693.254881][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12693.254881][ T7704] ___sys_sendmsg+0xee/0x170 [12693.254881][ T7704] __sys_sendmsg+0xcd/0x170 [12693.254881][ T7704] do_syscall_64+0xc6/0x1e0 [12693.254881][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12693.254881][ T7704] [12703.420839][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12703.421327][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12703.421327][ T7704] netdev_get_by_index+0x5e/0x80 [12703.421327][ T7704] fib6_nh_init+0x3d8/0x15b0 [12703.421327][ T7704] ip6_route_info_create+0xf18/0x17d0 [12703.421327][ T7704] ip6_route_add+0x1c/0x140 [12703.421327][ T7704] addrconf_prefix_route+0x2a6/0x430 [12703.421327][ T7704] inet6_addr_add+0x4f8/0xa40 [12703.421327][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12703.421327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12703.421327][ T7704] netlink_rcv_skb+0x130/0x360 [12703.421327][ T7704] netlink_unicast+0x449/0x710 [12703.421327][ T7704] netlink_sendmsg+0x723/0xbe0 [12703.421327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12703.421327][ T7704] ___sys_sendmsg+0xee/0x170 [12703.421327][ T7704] __sys_sendmsg+0xcd/0x170 [12703.421327][ T7704] do_syscall_64+0xc6/0x1e0 [12703.421327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12703.421327][ T7704] [12703.423581][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12703.423581][ T7704] netdev_get_by_index+0x5e/0x80 [12703.423581][ T7704] fib6_nh_init+0x3d8/0x15b0 [12703.423581][ T7704] ip6_route_info_create+0xf18/0x17d0 [12703.423581][ T7704] addrconf_f6i_alloc+0x315/0x560 [12703.423581][ T7704] ipv6_add_addr+0x411/0x2000 [12703.423581][ T7704] inet6_addr_add+0x30e/0xa40 [12703.423581][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12703.423581][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12703.423581][ T7704] netlink_rcv_skb+0x130/0x360 [12703.423581][ T7704] netlink_unicast+0x449/0x710 [12703.423581][ T7704] netlink_sendmsg+0x723/0xbe0 [12703.423581][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12703.423581][ T7704] ___sys_sendmsg+0xee/0x170 [12703.423581][ T7704] __sys_sendmsg+0xcd/0x170 [12703.423581][ T7704] do_syscall_64+0xc6/0x1e0 [12703.423581][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12703.423581][ T7704] [12703.425798][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12703.425798][ T7704] netdev_get_by_index+0x5e/0x80 [12703.425798][ T7704] fib6_nh_init+0x3d8/0x15b0 [12703.425798][ T7704] ip6_route_info_create+0xf18/0x17d0 [12703.425798][ T7704] ip6_route_add+0x1c/0x140 [12703.425798][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12703.425798][ T7704] addrconf_add_dev+0xe2/0x170 [12703.425798][ T7704] inet6_addr_add+0x12f/0xa40 [12703.425798][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12703.425798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12703.425798][ T7704] netlink_rcv_skb+0x130/0x360 [12703.425798][ T7704] netlink_unicast+0x449/0x710 [12703.425798][ T7704] netlink_sendmsg+0x723/0xbe0 [12703.425798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12703.425798][ T7704] ___sys_sendmsg+0xee/0x170 [12703.425798][ T7704] __sys_sendmsg+0xcd/0x170 [12703.425798][ T7704] do_syscall_64+0xc6/0x1e0 [12703.425798][ T7704] [12703.427963][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12703.427963][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12703.427963][ T7704] ipv6_find_idev+0x102/0x170 [12703.427963][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12703.427963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12703.427963][ T7704] netlink_rcv_skb+0x130/0x360 [12703.427963][ T7704] netlink_unicast+0x449/0x710 [12703.427963][ T7704] netlink_sendmsg+0x723/0xbe0 [12703.427963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12703.427963][ T7704] ___sys_sendmsg+0xee/0x170 [12703.427963][ T7704] __sys_sendmsg+0xcd/0x170 [12703.427963][ T7704] do_syscall_64+0xc6/0x1e0 [12703.427963][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12703.427963][ T7704] [12703.429654][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12703.429654][ T7704] neigh_parms_alloc+0x1e5/0x510 [12703.429654][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12703.429654][ T7704] ipv6_find_idev+0x102/0x170 [12703.429654][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12703.429654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12703.429654][ T7704] netlink_rcv_skb+0x130/0x360 [12703.429654][ T7704] netlink_unicast+0x449/0x710 [12703.429654][ T7704] netlink_sendmsg+0x723/0xbe0 [12703.429654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12703.429654][ T7704] ___sys_sendmsg+0xee/0x170 [12703.429654][ T7704] __sys_sendmsg+0xcd/0x170 [12703.429654][ T7704] do_syscall_64+0xc6/0x1e0 [12703.429654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12703.429654][ T7704] [12713.476837][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12713.477266][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12713.477266][ T7704] netdev_get_by_index+0x5e/0x80 [12713.477266][ T7704] fib6_nh_init+0x3d8/0x15b0 [12713.477266][ T7704] ip6_route_info_create+0xf18/0x17d0 [12713.477266][ T7704] ip6_route_add+0x1c/0x140 [12713.477266][ T7704] addrconf_prefix_route+0x2a6/0x430 [12713.477266][ T7704] inet6_addr_add+0x4f8/0xa40 [12713.477266][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12713.477266][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12713.477266][ T7704] netlink_rcv_skb+0x130/0x360 [12713.477266][ T7704] netlink_unicast+0x449/0x710 [12713.477266][ T7704] netlink_sendmsg+0x723/0xbe0 [12713.477266][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12713.477266][ T7704] ___sys_sendmsg+0xee/0x170 [12713.477266][ T7704] __sys_sendmsg+0xcd/0x170 [12713.477266][ T7704] do_syscall_64+0xc6/0x1e0 [12713.477266][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12713.477266][ T7704] [12713.479491][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12713.479491][ T7704] netdev_get_by_index+0x5e/0x80 [12713.479491][ T7704] fib6_nh_init+0x3d8/0x15b0 [12713.479491][ T7704] ip6_route_info_create+0xf18/0x17d0 [12713.479491][ T7704] addrconf_f6i_alloc+0x315/0x560 [12713.479491][ T7704] ipv6_add_addr+0x411/0x2000 [12713.479491][ T7704] inet6_addr_add+0x30e/0xa40 [12713.479491][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12713.479491][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12713.479491][ T7704] netlink_rcv_skb+0x130/0x360 [12713.479491][ T7704] netlink_unicast+0x449/0x710 [12713.479491][ T7704] netlink_sendmsg+0x723/0xbe0 [12713.479491][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12713.479491][ T7704] ___sys_sendmsg+0xee/0x170 [12713.479491][ T7704] __sys_sendmsg+0xcd/0x170 [12713.479491][ T7704] do_syscall_64+0xc6/0x1e0 [12713.479491][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12713.479491][ T7704] [12713.481741][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12713.481741][ T7704] netdev_get_by_index+0x5e/0x80 [12713.481741][ T7704] fib6_nh_init+0x3d8/0x15b0 [12713.481741][ T7704] ip6_route_info_create+0xf18/0x17d0 [12713.481741][ T7704] ip6_route_add+0x1c/0x140 [12713.481741][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12713.481741][ T7704] addrconf_add_dev+0xe2/0x170 [12713.481741][ T7704] inet6_addr_add+0x12f/0xa40 [12713.481741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12713.481741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12713.481741][ T7704] netlink_rcv_skb+0x130/0x360 [12713.481741][ T7704] netlink_unicast+0x449/0x710 [12713.481741][ T7704] netlink_sendmsg+0x723/0xbe0 [12713.481741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12713.481741][ T7704] ___sys_sendmsg+0xee/0x170 [12713.481741][ T7704] __sys_sendmsg+0xcd/0x170 [12713.481741][ T7704] do_syscall_64+0xc6/0x1e0 [12713.481741][ T7704] [12713.483915][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12713.483915][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12713.483915][ T7704] ipv6_find_idev+0x102/0x170 [12713.483915][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12713.483915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12713.483915][ T7704] netlink_rcv_skb+0x130/0x360 [12713.483915][ T7704] netlink_unicast+0x449/0x710 [12713.483915][ T7704] netlink_sendmsg+0x723/0xbe0 [12713.483915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12713.483915][ T7704] ___sys_sendmsg+0xee/0x170 [12713.483915][ T7704] __sys_sendmsg+0xcd/0x170 [12713.483915][ T7704] do_syscall_64+0xc6/0x1e0 [12713.483915][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12713.483915][ T7704] [12713.485613][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12713.485613][ T7704] neigh_parms_alloc+0x1e5/0x510 [12713.485613][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12713.485613][ T7704] ipv6_find_idev+0x102/0x170 [12713.485613][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12713.485613][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12713.485613][ T7704] netlink_rcv_skb+0x130/0x360 [12713.485613][ T7704] netlink_unicast+0x449/0x710 [12713.485613][ T7704] netlink_sendmsg+0x723/0xbe0 [12713.485613][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12713.485613][ T7704] ___sys_sendmsg+0xee/0x170 [12713.485613][ T7704] __sys_sendmsg+0xcd/0x170 [12713.485613][ T7704] do_syscall_64+0xc6/0x1e0 [12713.485613][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12713.485613][ T7704] [12723.556828][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12723.557297][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12723.557297][ T7704] netdev_get_by_index+0x5e/0x80 [12723.557297][ T7704] fib6_nh_init+0x3d8/0x15b0 [12723.557297][ T7704] ip6_route_info_create+0xf18/0x17d0 [12723.557297][ T7704] ip6_route_add+0x1c/0x140 [12723.557297][ T7704] addrconf_prefix_route+0x2a6/0x430 [12723.557297][ T7704] inet6_addr_add+0x4f8/0xa40 [12723.557297][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12723.557297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12723.557297][ T7704] netlink_rcv_skb+0x130/0x360 [12723.557297][ T7704] netlink_unicast+0x449/0x710 [12723.557297][ T7704] netlink_sendmsg+0x723/0xbe0 [12723.557297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12723.557297][ T7704] ___sys_sendmsg+0xee/0x170 [12723.557297][ T7704] __sys_sendmsg+0xcd/0x170 [12723.557297][ T7704] do_syscall_64+0xc6/0x1e0 [12723.557297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12723.557297][ T7704] [12723.559745][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12723.559745][ T7704] netdev_get_by_index+0x5e/0x80 [12723.559745][ T7704] fib6_nh_init+0x3d8/0x15b0 [12723.559745][ T7704] ip6_route_info_create+0xf18/0x17d0 [12723.559745][ T7704] addrconf_f6i_alloc+0x315/0x560 [12723.559745][ T7704] ipv6_add_addr+0x411/0x2000 [12723.559745][ T7704] inet6_addr_add+0x30e/0xa40 [12723.559745][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12723.559745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12723.559745][ T7704] netlink_rcv_skb+0x130/0x360 [12723.559745][ T7704] netlink_unicast+0x449/0x710 [12723.559745][ T7704] netlink_sendmsg+0x723/0xbe0 [12723.559745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12723.559745][ T7704] ___sys_sendmsg+0xee/0x170 [12723.559745][ T7704] __sys_sendmsg+0xcd/0x170 [12723.559745][ T7704] do_syscall_64+0xc6/0x1e0 [12723.559745][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12723.559745][ T7704] [12723.562166][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12723.562166][ T7704] netdev_get_by_index+0x5e/0x80 [12723.562166][ T7704] fib6_nh_init+0x3d8/0x15b0 [12723.562166][ T7704] ip6_route_info_create+0xf18/0x17d0 [12723.562166][ T7704] ip6_route_add+0x1c/0x140 [12723.562166][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12723.562166][ T7704] addrconf_add_dev+0xe2/0x170 [12723.562166][ T7704] inet6_addr_add+0x12f/0xa40 [12723.562166][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12723.562166][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12723.562166][ T7704] netlink_rcv_skb+0x130/0x360 [12723.562166][ T7704] netlink_unicast+0x449/0x710 [12723.562166][ T7704] netlink_sendmsg+0x723/0xbe0 [12723.562166][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12723.562166][ T7704] ___sys_sendmsg+0xee/0x170 [12723.562166][ T7704] __sys_sendmsg+0xcd/0x170 [12723.562166][ T7704] do_syscall_64+0xc6/0x1e0 [12723.562166][ T7704] [12723.564539][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12723.564539][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12723.564539][ T7704] ipv6_find_idev+0x102/0x170 [12723.564539][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12723.564539][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12723.564539][ T7704] netlink_rcv_skb+0x130/0x360 [12723.564539][ T7704] netlink_unicast+0x449/0x710 [12723.564539][ T7704] netlink_sendmsg+0x723/0xbe0 [12723.564539][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12723.564539][ T7704] ___sys_sendmsg+0xee/0x170 [12723.564539][ T7704] __sys_sendmsg+0xcd/0x170 [12723.564539][ T7704] do_syscall_64+0xc6/0x1e0 [12723.564539][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12723.564539][ T7704] [12723.566359][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12723.566359][ T7704] neigh_parms_alloc+0x1e5/0x510 [12723.566359][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12723.566359][ T7704] ipv6_find_idev+0x102/0x170 [12723.566359][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12723.566359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12723.566359][ T7704] netlink_rcv_skb+0x130/0x360 [12723.566359][ T7704] netlink_unicast+0x449/0x710 [12723.566359][ T7704] netlink_sendmsg+0x723/0xbe0 [12723.566359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12723.566359][ T7704] ___sys_sendmsg+0xee/0x170 [12723.566359][ T7704] __sys_sendmsg+0xcd/0x170 [12723.566359][ T7704] do_syscall_64+0xc6/0x1e0 [12723.566359][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12723.566359][ T7704] [12733.676800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12733.677271][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12733.677271][ T7704] netdev_get_by_index+0x5e/0x80 [12733.677271][ T7704] fib6_nh_init+0x3d8/0x15b0 [12733.677271][ T7704] ip6_route_info_create+0xf18/0x17d0 [12733.677271][ T7704] ip6_route_add+0x1c/0x140 [12733.677271][ T7704] addrconf_prefix_route+0x2a6/0x430 [12733.677271][ T7704] inet6_addr_add+0x4f8/0xa40 [12733.677271][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12733.677271][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12733.677271][ T7704] netlink_rcv_skb+0x130/0x360 [12733.677271][ T7704] netlink_unicast+0x449/0x710 [12733.677271][ T7704] netlink_sendmsg+0x723/0xbe0 [12733.677271][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12733.677271][ T7704] ___sys_sendmsg+0xee/0x170 [12733.677271][ T7704] __sys_sendmsg+0xcd/0x170 [12733.677271][ T7704] do_syscall_64+0xc6/0x1e0 [12733.677271][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12733.677271][ T7704] [12733.679705][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12733.679705][ T7704] netdev_get_by_index+0x5e/0x80 [12733.679705][ T7704] fib6_nh_init+0x3d8/0x15b0 [12733.679705][ T7704] ip6_route_info_create+0xf18/0x17d0 [12733.679705][ T7704] addrconf_f6i_alloc+0x315/0x560 [12733.679705][ T7704] ipv6_add_addr+0x411/0x2000 [12733.679705][ T7704] inet6_addr_add+0x30e/0xa40 [12733.679705][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12733.679705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12733.679705][ T7704] netlink_rcv_skb+0x130/0x360 [12733.679705][ T7704] netlink_unicast+0x449/0x710 [12733.679705][ T7704] netlink_sendmsg+0x723/0xbe0 [12733.679705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12733.679705][ T7704] ___sys_sendmsg+0xee/0x170 [12733.679705][ T7704] __sys_sendmsg+0xcd/0x170 [12733.679705][ T7704] do_syscall_64+0xc6/0x1e0 [12733.679705][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12733.679705][ T7704] [12733.682152][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12733.682152][ T7704] netdev_get_by_index+0x5e/0x80 [12733.682152][ T7704] fib6_nh_init+0x3d8/0x15b0 [12733.682152][ T7704] ip6_route_info_create+0xf18/0x17d0 [12733.682152][ T7704] ip6_route_add+0x1c/0x140 [12733.682152][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12733.682152][ T7704] addrconf_add_dev+0xe2/0x170 [12733.682152][ T7704] inet6_addr_add+0x12f/0xa40 [12733.682152][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12733.682152][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12733.682152][ T7704] netlink_rcv_skb+0x130/0x360 [12733.682152][ T7704] netlink_unicast+0x449/0x710 [12733.682152][ T7704] netlink_sendmsg+0x723/0xbe0 [12733.682152][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12733.682152][ T7704] ___sys_sendmsg+0xee/0x170 [12733.682152][ T7704] __sys_sendmsg+0xcd/0x170 [12733.682152][ T7704] do_syscall_64+0xc6/0x1e0 [12733.682152][ T7704] [12733.685060][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12733.685060][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12733.685060][ T7704] ipv6_find_idev+0x102/0x170 [12733.685060][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12733.685060][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12733.685060][ T7704] netlink_rcv_skb+0x130/0x360 [12733.685060][ T7704] netlink_unicast+0x449/0x710 [12733.685060][ T7704] netlink_sendmsg+0x723/0xbe0 [12733.685060][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12733.685060][ T7704] ___sys_sendmsg+0xee/0x170 [12733.685060][ T7704] __sys_sendmsg+0xcd/0x170 [12733.685060][ T7704] do_syscall_64+0xc6/0x1e0 [12733.685060][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12733.685060][ T7704] [12733.686917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12733.686917][ T7704] neigh_parms_alloc+0x1e5/0x510 [12733.686917][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12733.686917][ T7704] ipv6_find_idev+0x102/0x170 [12733.686917][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12733.686917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12733.686917][ T7704] netlink_rcv_skb+0x130/0x360 [12733.686917][ T7704] netlink_unicast+0x449/0x710 [12733.686917][ T7704] netlink_sendmsg+0x723/0xbe0 [12733.686917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12733.686917][ T7704] ___sys_sendmsg+0xee/0x170 [12733.686917][ T7704] __sys_sendmsg+0xcd/0x170 [12733.686917][ T7704] do_syscall_64+0xc6/0x1e0 [12733.686917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12733.686917][ T7704] [12743.924881][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12743.925340][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12743.925340][ T7704] netdev_get_by_index+0x5e/0x80 [12743.925340][ T7704] fib6_nh_init+0x3d8/0x15b0 [12743.925340][ T7704] ip6_route_info_create+0xf18/0x17d0 [12743.925340][ T7704] ip6_route_add+0x1c/0x140 [12743.925340][ T7704] addrconf_prefix_route+0x2a6/0x430 [12743.925340][ T7704] inet6_addr_add+0x4f8/0xa40 [12743.925340][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12743.925340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12743.925340][ T7704] netlink_rcv_skb+0x130/0x360 [12743.925340][ T7704] netlink_unicast+0x449/0x710 [12743.925340][ T7704] netlink_sendmsg+0x723/0xbe0 [12743.925340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12743.925340][ T7704] ___sys_sendmsg+0xee/0x170 [12743.925340][ T7704] __sys_sendmsg+0xcd/0x170 [12743.925340][ T7704] do_syscall_64+0xc6/0x1e0 [12743.925340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12743.925340][ T7704] [12743.927751][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12743.927751][ T7704] netdev_get_by_index+0x5e/0x80 [12743.927751][ T7704] fib6_nh_init+0x3d8/0x15b0 [12743.927751][ T7704] ip6_route_info_create+0xf18/0x17d0 [12743.927751][ T7704] addrconf_f6i_alloc+0x315/0x560 [12743.927751][ T7704] ipv6_add_addr+0x411/0x2000 [12743.927751][ T7704] inet6_addr_add+0x30e/0xa40 [12743.927751][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12743.927751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12743.927751][ T7704] netlink_rcv_skb+0x130/0x360 [12743.927751][ T7704] netlink_unicast+0x449/0x710 [12743.927751][ T7704] netlink_sendmsg+0x723/0xbe0 [12743.927751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12743.927751][ T7704] ___sys_sendmsg+0xee/0x170 [12743.927751][ T7704] __sys_sendmsg+0xcd/0x170 [12743.927751][ T7704] do_syscall_64+0xc6/0x1e0 [12743.927751][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12743.927751][ T7704] [12743.930127][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12743.930127][ T7704] netdev_get_by_index+0x5e/0x80 [12743.930127][ T7704] fib6_nh_init+0x3d8/0x15b0 [12743.930127][ T7704] ip6_route_info_create+0xf18/0x17d0 [12743.930127][ T7704] ip6_route_add+0x1c/0x140 [12743.930127][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12743.930127][ T7704] addrconf_add_dev+0xe2/0x170 [12743.930127][ T7704] inet6_addr_add+0x12f/0xa40 [12743.930127][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12743.930127][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12743.930127][ T7704] netlink_rcv_skb+0x130/0x360 [12743.930127][ T7704] netlink_unicast+0x449/0x710 [12743.930127][ T7704] netlink_sendmsg+0x723/0xbe0 [12743.930127][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12743.930127][ T7704] ___sys_sendmsg+0xee/0x170 [12743.930127][ T7704] __sys_sendmsg+0xcd/0x170 [12743.930127][ T7704] do_syscall_64+0xc6/0x1e0 [12743.930127][ T7704] [12743.932478][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12743.932478][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12743.932478][ T7704] ipv6_find_idev+0x102/0x170 [12743.932478][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12743.932478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12743.932478][ T7704] netlink_rcv_skb+0x130/0x360 [12743.932478][ T7704] netlink_unicast+0x449/0x710 [12743.932478][ T7704] netlink_sendmsg+0x723/0xbe0 [12743.932478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12743.932478][ T7704] ___sys_sendmsg+0xee/0x170 [12743.932478][ T7704] __sys_sendmsg+0xcd/0x170 [12743.932478][ T7704] do_syscall_64+0xc6/0x1e0 [12743.932478][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12743.932478][ T7704] [12743.934343][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12743.934343][ T7704] neigh_parms_alloc+0x1e5/0x510 [12743.934343][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12743.934343][ T7704] ipv6_find_idev+0x102/0x170 [12743.934343][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12743.934343][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12743.934343][ T7704] netlink_rcv_skb+0x130/0x360 [12743.934343][ T7704] netlink_unicast+0x449/0x710 [12743.934343][ T7704] netlink_sendmsg+0x723/0xbe0 [12743.934343][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12743.934343][ T7704] ___sys_sendmsg+0xee/0x170 [12743.934343][ T7704] __sys_sendmsg+0xcd/0x170 [12743.934343][ T7704] do_syscall_64+0xc6/0x1e0 [12743.934343][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12743.934343][ T7704] [12754.172773][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12754.173293][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12754.173293][ T7704] netdev_get_by_index+0x5e/0x80 [12754.173293][ T7704] fib6_nh_init+0x3d8/0x15b0 [12754.173293][ T7704] ip6_route_info_create+0xf18/0x17d0 [12754.173293][ T7704] ip6_route_add+0x1c/0x140 [12754.173293][ T7704] addrconf_prefix_route+0x2a6/0x430 [12754.173293][ T7704] inet6_addr_add+0x4f8/0xa40 [12754.173293][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12754.173293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12754.173293][ T7704] netlink_rcv_skb+0x130/0x360 [12754.173293][ T7704] netlink_unicast+0x449/0x710 [12754.173293][ T7704] netlink_sendmsg+0x723/0xbe0 [12754.173293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12754.173293][ T7704] ___sys_sendmsg+0xee/0x170 [12754.173293][ T7704] __sys_sendmsg+0xcd/0x170 [12754.173293][ T7704] do_syscall_64+0xc6/0x1e0 [12754.173293][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12754.173293][ T7704] [12754.175591][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12754.175591][ T7704] netdev_get_by_index+0x5e/0x80 [12754.175591][ T7704] fib6_nh_init+0x3d8/0x15b0 [12754.175591][ T7704] ip6_route_info_create+0xf18/0x17d0 [12754.175591][ T7704] addrconf_f6i_alloc+0x315/0x560 [12754.175591][ T7704] ipv6_add_addr+0x411/0x2000 [12754.175591][ T7704] inet6_addr_add+0x30e/0xa40 [12754.175591][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12754.175591][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12754.175591][ T7704] netlink_rcv_skb+0x130/0x360 [12754.175591][ T7704] netlink_unicast+0x449/0x710 [12754.175591][ T7704] netlink_sendmsg+0x723/0xbe0 [12754.175591][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12754.175591][ T7704] ___sys_sendmsg+0xee/0x170 [12754.175591][ T7704] __sys_sendmsg+0xcd/0x170 [12754.175591][ T7704] do_syscall_64+0xc6/0x1e0 [12754.175591][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12754.175591][ T7704] [12754.177834][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12754.177834][ T7704] netdev_get_by_index+0x5e/0x80 [12754.177834][ T7704] fib6_nh_init+0x3d8/0x15b0 [12754.177834][ T7704] ip6_route_info_create+0xf18/0x17d0 [12754.177834][ T7704] ip6_route_add+0x1c/0x140 [12754.177834][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12754.177834][ T7704] addrconf_add_dev+0xe2/0x170 [12754.177834][ T7704] inet6_addr_add+0x12f/0xa40 [12754.177834][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12754.177834][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12754.177834][ T7704] netlink_rcv_skb+0x130/0x360 [12754.177834][ T7704] netlink_unicast+0x449/0x710 [12754.177834][ T7704] netlink_sendmsg+0x723/0xbe0 [12754.177834][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12754.177834][ T7704] ___sys_sendmsg+0xee/0x170 [12754.177834][ T7704] __sys_sendmsg+0xcd/0x170 [12754.177834][ T7704] do_syscall_64+0xc6/0x1e0 [12754.177834][ T7704] [12754.180069][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12754.180069][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12754.180069][ T7704] ipv6_find_idev+0x102/0x170 [12754.180069][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12754.180069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12754.180069][ T7704] netlink_rcv_skb+0x130/0x360 [12754.180069][ T7704] netlink_unicast+0x449/0x710 [12754.180069][ T7704] netlink_sendmsg+0x723/0xbe0 [12754.180069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12754.180069][ T7704] ___sys_sendmsg+0xee/0x170 [12754.180069][ T7704] __sys_sendmsg+0xcd/0x170 [12754.180069][ T7704] do_syscall_64+0xc6/0x1e0 [12754.180069][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12754.180069][ T7704] [12754.181792][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12754.181792][ T7704] neigh_parms_alloc+0x1e5/0x510 [12754.181792][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12754.181792][ T7704] ipv6_find_idev+0x102/0x170 [12754.181792][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12754.181792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12754.181792][ T7704] netlink_rcv_skb+0x130/0x360 [12754.181792][ T7704] netlink_unicast+0x449/0x710 [12754.181792][ T7704] netlink_sendmsg+0x723/0xbe0 [12754.181792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12754.181792][ T7704] ___sys_sendmsg+0xee/0x170 [12754.181792][ T7704] __sys_sendmsg+0xcd/0x170 [12754.181792][ T7704] do_syscall_64+0xc6/0x1e0 [12754.181792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12754.181792][ T7704] [12764.420748][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12764.421200][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12764.421200][ T7704] netdev_get_by_index+0x5e/0x80 [12764.421200][ T7704] fib6_nh_init+0x3d8/0x15b0 [12764.421200][ T7704] ip6_route_info_create+0xf18/0x17d0 [12764.421200][ T7704] ip6_route_add+0x1c/0x140 [12764.421200][ T7704] addrconf_prefix_route+0x2a6/0x430 [12764.421200][ T7704] inet6_addr_add+0x4f8/0xa40 [12764.421200][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12764.421200][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12764.421200][ T7704] netlink_rcv_skb+0x130/0x360 [12764.421200][ T7704] netlink_unicast+0x449/0x710 [12764.421200][ T7704] netlink_sendmsg+0x723/0xbe0 [12764.421200][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12764.421200][ T7704] ___sys_sendmsg+0xee/0x170 [12764.421200][ T7704] __sys_sendmsg+0xcd/0x170 [12764.421200][ T7704] do_syscall_64+0xc6/0x1e0 [12764.421200][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12764.421200][ T7704] [12764.423467][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12764.423467][ T7704] netdev_get_by_index+0x5e/0x80 [12764.423467][ T7704] fib6_nh_init+0x3d8/0x15b0 [12764.423467][ T7704] ip6_route_info_create+0xf18/0x17d0 [12764.423467][ T7704] addrconf_f6i_alloc+0x315/0x560 [12764.423467][ T7704] ipv6_add_addr+0x411/0x2000 [12764.423467][ T7704] inet6_addr_add+0x30e/0xa40 [12764.423467][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12764.423467][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12764.423467][ T7704] netlink_rcv_skb+0x130/0x360 [12764.423467][ T7704] netlink_unicast+0x449/0x710 [12764.423467][ T7704] netlink_sendmsg+0x723/0xbe0 [12764.423467][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12764.423467][ T7704] ___sys_sendmsg+0xee/0x170 [12764.423467][ T7704] __sys_sendmsg+0xcd/0x170 [12764.423467][ T7704] do_syscall_64+0xc6/0x1e0 [12764.423467][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12764.423467][ T7704] [12764.425698][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12764.425698][ T7704] netdev_get_by_index+0x5e/0x80 [12764.425698][ T7704] fib6_nh_init+0x3d8/0x15b0 [12764.425698][ T7704] ip6_route_info_create+0xf18/0x17d0 [12764.425698][ T7704] ip6_route_add+0x1c/0x140 [12764.425698][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12764.425698][ T7704] addrconf_add_dev+0xe2/0x170 [12764.425698][ T7704] inet6_addr_add+0x12f/0xa40 [12764.425698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12764.425698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12764.425698][ T7704] netlink_rcv_skb+0x130/0x360 [12764.425698][ T7704] netlink_unicast+0x449/0x710 [12764.425698][ T7704] netlink_sendmsg+0x723/0xbe0 [12764.425698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12764.425698][ T7704] ___sys_sendmsg+0xee/0x170 [12764.425698][ T7704] __sys_sendmsg+0xcd/0x170 [12764.425698][ T7704] do_syscall_64+0xc6/0x1e0 [12764.425698][ T7704] [12764.427889][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12764.427889][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12764.427889][ T7704] ipv6_find_idev+0x102/0x170 [12764.427889][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12764.427889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12764.427889][ T7704] netlink_rcv_skb+0x130/0x360 [12764.427889][ T7704] netlink_unicast+0x449/0x710 [12764.427889][ T7704] netlink_sendmsg+0x723/0xbe0 [12764.427889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12764.427889][ T7704] ___sys_sendmsg+0xee/0x170 [12764.427889][ T7704] __sys_sendmsg+0xcd/0x170 [12764.427889][ T7704] do_syscall_64+0xc6/0x1e0 [12764.427889][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12764.427889][ T7704] [12764.429602][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12764.429602][ T7704] neigh_parms_alloc+0x1e5/0x510 [12764.429602][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12764.429602][ T7704] ipv6_find_idev+0x102/0x170 [12764.429602][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12764.429602][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12764.429602][ T7704] netlink_rcv_skb+0x130/0x360 [12764.429602][ T7704] netlink_unicast+0x449/0x710 [12764.429602][ T7704] netlink_sendmsg+0x723/0xbe0 [12764.429602][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12764.429602][ T7704] ___sys_sendmsg+0xee/0x170 [12764.429602][ T7704] __sys_sendmsg+0xcd/0x170 [12764.429602][ T7704] do_syscall_64+0xc6/0x1e0 [12764.429602][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12764.429602][ T7704] [12774.532872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12774.533320][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12774.533320][ T7704] netdev_get_by_index+0x5e/0x80 [12774.533320][ T7704] fib6_nh_init+0x3d8/0x15b0 [12774.533320][ T7704] ip6_route_info_create+0xf18/0x17d0 [12774.533320][ T7704] ip6_route_add+0x1c/0x140 [12774.533320][ T7704] addrconf_prefix_route+0x2a6/0x430 [12774.533320][ T7704] inet6_addr_add+0x4f8/0xa40 [12774.533320][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12774.533320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12774.533320][ T7704] netlink_rcv_skb+0x130/0x360 [12774.533320][ T7704] netlink_unicast+0x449/0x710 [12774.533320][ T7704] netlink_sendmsg+0x723/0xbe0 [12774.533320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12774.533320][ T7704] ___sys_sendmsg+0xee/0x170 [12774.533320][ T7704] __sys_sendmsg+0xcd/0x170 [12774.533320][ T7704] do_syscall_64+0xc6/0x1e0 [12774.533320][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12774.533320][ T7704] [12774.535566][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12774.535566][ T7704] netdev_get_by_index+0x5e/0x80 [12774.535566][ T7704] fib6_nh_init+0x3d8/0x15b0 [12774.535566][ T7704] ip6_route_info_create+0xf18/0x17d0 [12774.535566][ T7704] addrconf_f6i_alloc+0x315/0x560 [12774.535566][ T7704] ipv6_add_addr+0x411/0x2000 [12774.535566][ T7704] inet6_addr_add+0x30e/0xa40 [12774.535566][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12774.535566][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12774.535566][ T7704] netlink_rcv_skb+0x130/0x360 [12774.535566][ T7704] netlink_unicast+0x449/0x710 [12774.535566][ T7704] netlink_sendmsg+0x723/0xbe0 [12774.535566][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12774.535566][ T7704] ___sys_sendmsg+0xee/0x170 [12774.535566][ T7704] __sys_sendmsg+0xcd/0x170 [12774.535566][ T7704] do_syscall_64+0xc6/0x1e0 [12774.535566][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12774.535566][ T7704] [12774.537795][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12774.537795][ T7704] netdev_get_by_index+0x5e/0x80 [12774.537795][ T7704] fib6_nh_init+0x3d8/0x15b0 [12774.537795][ T7704] ip6_route_info_create+0xf18/0x17d0 [12774.537795][ T7704] ip6_route_add+0x1c/0x140 [12774.537795][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12774.537795][ T7704] addrconf_add_dev+0xe2/0x170 [12774.537795][ T7704] inet6_addr_add+0x12f/0xa40 [12774.537795][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12774.537795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12774.537795][ T7704] netlink_rcv_skb+0x130/0x360 [12774.537795][ T7704] netlink_unicast+0x449/0x710 [12774.537795][ T7704] netlink_sendmsg+0x723/0xbe0 [12774.537795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12774.537795][ T7704] ___sys_sendmsg+0xee/0x170 [12774.537795][ T7704] __sys_sendmsg+0xcd/0x170 [12774.537795][ T7704] do_syscall_64+0xc6/0x1e0 [12774.537795][ T7704] [12774.540019][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12774.540019][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12774.540019][ T7704] ipv6_find_idev+0x102/0x170 [12774.540019][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12774.540019][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12774.540019][ T7704] netlink_rcv_skb+0x130/0x360 [12774.540019][ T7704] netlink_unicast+0x449/0x710 [12774.540019][ T7704] netlink_sendmsg+0x723/0xbe0 [12774.540019][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12774.540019][ T7704] ___sys_sendmsg+0xee/0x170 [12774.540019][ T7704] __sys_sendmsg+0xcd/0x170 [12774.540019][ T7704] do_syscall_64+0xc6/0x1e0 [12774.540019][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12774.540019][ T7704] [12774.541745][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12774.541745][ T7704] neigh_parms_alloc+0x1e5/0x510 [12774.541745][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12774.541745][ T7704] ipv6_find_idev+0x102/0x170 [12774.541745][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12774.541745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12774.541745][ T7704] netlink_rcv_skb+0x130/0x360 [12774.541745][ T7704] netlink_unicast+0x449/0x710 [12774.541745][ T7704] netlink_sendmsg+0x723/0xbe0 [12774.541745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12774.541745][ T7704] ___sys_sendmsg+0xee/0x170 [12774.541745][ T7704] __sys_sendmsg+0xcd/0x170 [12774.541745][ T7704] do_syscall_64+0xc6/0x1e0 [12774.541745][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12774.541745][ T7704] [12784.620789][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12784.621287][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12784.621287][ T7704] netdev_get_by_index+0x5e/0x80 [12784.621287][ T7704] fib6_nh_init+0x3d8/0x15b0 [12784.621287][ T7704] ip6_route_info_create+0xf18/0x17d0 [12784.621287][ T7704] ip6_route_add+0x1c/0x140 [12784.621287][ T7704] addrconf_prefix_route+0x2a6/0x430 [12784.621287][ T7704] inet6_addr_add+0x4f8/0xa40 [12784.621287][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12784.621287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12784.621287][ T7704] netlink_rcv_skb+0x130/0x360 [12784.621287][ T7704] netlink_unicast+0x449/0x710 [12784.621287][ T7704] netlink_sendmsg+0x723/0xbe0 [12784.621287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12784.621287][ T7704] ___sys_sendmsg+0xee/0x170 [12784.621287][ T7704] __sys_sendmsg+0xcd/0x170 [12784.621287][ T7704] do_syscall_64+0xc6/0x1e0 [12784.621287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12784.621287][ T7704] [12784.623566][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12784.623566][ T7704] netdev_get_by_index+0x5e/0x80 [12784.623566][ T7704] fib6_nh_init+0x3d8/0x15b0 [12784.623566][ T7704] ip6_route_info_create+0xf18/0x17d0 [12784.623566][ T7704] addrconf_f6i_alloc+0x315/0x560 [12784.623566][ T7704] ipv6_add_addr+0x411/0x2000 [12784.623566][ T7704] inet6_addr_add+0x30e/0xa40 [12784.623566][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12784.623566][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12784.623566][ T7704] netlink_rcv_skb+0x130/0x360 [12784.623566][ T7704] netlink_unicast+0x449/0x710 [12784.623566][ T7704] netlink_sendmsg+0x723/0xbe0 [12784.623566][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12784.623566][ T7704] ___sys_sendmsg+0xee/0x170 [12784.623566][ T7704] __sys_sendmsg+0xcd/0x170 [12784.623566][ T7704] do_syscall_64+0xc6/0x1e0 [12784.623566][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12784.623566][ T7704] [12784.625781][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12784.625781][ T7704] netdev_get_by_index+0x5e/0x80 [12784.625781][ T7704] fib6_nh_init+0x3d8/0x15b0 [12784.625781][ T7704] ip6_route_info_create+0xf18/0x17d0 [12784.625781][ T7704] ip6_route_add+0x1c/0x140 [12784.625781][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12784.625781][ T7704] addrconf_add_dev+0xe2/0x170 [12784.625781][ T7704] inet6_addr_add+0x12f/0xa40 [12784.625781][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12784.625781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12784.625781][ T7704] netlink_rcv_skb+0x130/0x360 [12784.625781][ T7704] netlink_unicast+0x449/0x710 [12784.625781][ T7704] netlink_sendmsg+0x723/0xbe0 [12784.625781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12784.625781][ T7704] ___sys_sendmsg+0xee/0x170 [12784.625781][ T7704] __sys_sendmsg+0xcd/0x170 [12784.625781][ T7704] do_syscall_64+0xc6/0x1e0 [12784.625781][ T7704] [12784.627982][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12784.627982][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12784.627982][ T7704] ipv6_find_idev+0x102/0x170 [12784.627982][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12784.627982][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12784.627982][ T7704] netlink_rcv_skb+0x130/0x360 [12784.627982][ T7704] netlink_unicast+0x449/0x710 [12784.627982][ T7704] netlink_sendmsg+0x723/0xbe0 [12784.627982][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12784.627982][ T7704] ___sys_sendmsg+0xee/0x170 [12784.627982][ T7704] __sys_sendmsg+0xcd/0x170 [12784.627982][ T7704] do_syscall_64+0xc6/0x1e0 [12784.627982][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12784.627982][ T7704] [12784.629699][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12784.629699][ T7704] neigh_parms_alloc+0x1e5/0x510 [12784.629699][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12784.629699][ T7704] ipv6_find_idev+0x102/0x170 [12784.629699][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12784.629699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12784.629699][ T7704] netlink_rcv_skb+0x130/0x360 [12784.629699][ T7704] netlink_unicast+0x449/0x710 [12784.629699][ T7704] netlink_sendmsg+0x723/0xbe0 [12784.629699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12784.629699][ T7704] ___sys_sendmsg+0xee/0x170 [12784.629699][ T7704] __sys_sendmsg+0xcd/0x170 [12784.629699][ T7704] do_syscall_64+0xc6/0x1e0 [12784.629699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12784.629699][ T7704] [12794.884850][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12794.885335][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12794.885335][ T7704] netdev_get_by_index+0x5e/0x80 [12794.885335][ T7704] fib6_nh_init+0x3d8/0x15b0 [12794.885335][ T7704] ip6_route_info_create+0xf18/0x17d0 [12794.885335][ T7704] ip6_route_add+0x1c/0x140 [12794.885335][ T7704] addrconf_prefix_route+0x2a6/0x430 [12794.885335][ T7704] inet6_addr_add+0x4f8/0xa40 [12794.885335][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12794.885335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12794.885335][ T7704] netlink_rcv_skb+0x130/0x360 [12794.885335][ T7704] netlink_unicast+0x449/0x710 [12794.885335][ T7704] netlink_sendmsg+0x723/0xbe0 [12794.885335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12794.885335][ T7704] ___sys_sendmsg+0xee/0x170 [12794.885335][ T7704] __sys_sendmsg+0xcd/0x170 [12794.885335][ T7704] do_syscall_64+0xc6/0x1e0 [12794.885335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12794.885335][ T7704] [12794.887616][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12794.887616][ T7704] netdev_get_by_index+0x5e/0x80 [12794.887616][ T7704] fib6_nh_init+0x3d8/0x15b0 [12794.887616][ T7704] ip6_route_info_create+0xf18/0x17d0 [12794.887616][ T7704] addrconf_f6i_alloc+0x315/0x560 [12794.887616][ T7704] ipv6_add_addr+0x411/0x2000 [12794.887616][ T7704] inet6_addr_add+0x30e/0xa40 [12794.887616][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12794.887616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12794.887616][ T7704] netlink_rcv_skb+0x130/0x360 [12794.887616][ T7704] netlink_unicast+0x449/0x710 [12794.887616][ T7704] netlink_sendmsg+0x723/0xbe0 [12794.887616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12794.887616][ T7704] ___sys_sendmsg+0xee/0x170 [12794.887616][ T7704] __sys_sendmsg+0xcd/0x170 [12794.887616][ T7704] do_syscall_64+0xc6/0x1e0 [12794.887616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12794.887616][ T7704] [12794.889849][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12794.889849][ T7704] netdev_get_by_index+0x5e/0x80 [12794.889849][ T7704] fib6_nh_init+0x3d8/0x15b0 [12794.889849][ T7704] ip6_route_info_create+0xf18/0x17d0 [12794.889849][ T7704] ip6_route_add+0x1c/0x140 [12794.889849][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12794.889849][ T7704] addrconf_add_dev+0xe2/0x170 [12794.889849][ T7704] inet6_addr_add+0x12f/0xa40 [12794.889849][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12794.889849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12794.889849][ T7704] netlink_rcv_skb+0x130/0x360 [12794.889849][ T7704] netlink_unicast+0x449/0x710 [12794.889849][ T7704] netlink_sendmsg+0x723/0xbe0 [12794.889849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12794.889849][ T7704] ___sys_sendmsg+0xee/0x170 [12794.889849][ T7704] __sys_sendmsg+0xcd/0x170 [12794.889849][ T7704] do_syscall_64+0xc6/0x1e0 [12794.889849][ T7704] [12794.892029][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12794.892029][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12794.892029][ T7704] ipv6_find_idev+0x102/0x170 [12794.892029][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12794.892029][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12794.892029][ T7704] netlink_rcv_skb+0x130/0x360 [12794.892029][ T7704] netlink_unicast+0x449/0x710 [12794.892029][ T7704] netlink_sendmsg+0x723/0xbe0 [12794.892029][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12794.892029][ T7704] ___sys_sendmsg+0xee/0x170 [12794.892029][ T7704] __sys_sendmsg+0xcd/0x170 [12794.892029][ T7704] do_syscall_64+0xc6/0x1e0 [12794.892029][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12794.892029][ T7704] [12794.893725][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12794.893725][ T7704] neigh_parms_alloc+0x1e5/0x510 [12794.893725][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12794.893725][ T7704] ipv6_find_idev+0x102/0x170 [12794.893725][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12794.893725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12794.893725][ T7704] netlink_rcv_skb+0x130/0x360 [12794.893725][ T7704] netlink_unicast+0x449/0x710 [12794.893725][ T7704] netlink_sendmsg+0x723/0xbe0 [12794.893725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12794.893725][ T7704] ___sys_sendmsg+0xee/0x170 [12794.893725][ T7704] __sys_sendmsg+0xcd/0x170 [12794.893725][ T7704] do_syscall_64+0xc6/0x1e0 [12794.893725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12794.893725][ T7704] [12805.036836][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12805.037270][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12805.037270][ T7704] netdev_get_by_index+0x5e/0x80 [12805.037270][ T7704] fib6_nh_init+0x3d8/0x15b0 [12805.037270][ T7704] ip6_route_info_create+0xf18/0x17d0 [12805.037270][ T7704] ip6_route_add+0x1c/0x140 [12805.037270][ T7704] addrconf_prefix_route+0x2a6/0x430 [12805.037270][ T7704] inet6_addr_add+0x4f8/0xa40 [12805.037270][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12805.037270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12805.037270][ T7704] netlink_rcv_skb+0x130/0x360 [12805.037270][ T7704] netlink_unicast+0x449/0x710 [12805.037270][ T7704] netlink_sendmsg+0x723/0xbe0 [12805.037270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12805.037270][ T7704] ___sys_sendmsg+0xee/0x170 [12805.037270][ T7704] __sys_sendmsg+0xcd/0x170 [12805.037270][ T7704] do_syscall_64+0xc6/0x1e0 [12805.037270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12805.037270][ T7704] [12805.039498][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12805.039498][ T7704] netdev_get_by_index+0x5e/0x80 [12805.039498][ T7704] fib6_nh_init+0x3d8/0x15b0 [12805.039498][ T7704] ip6_route_info_create+0xf18/0x17d0 [12805.039498][ T7704] addrconf_f6i_alloc+0x315/0x560 [12805.039498][ T7704] ipv6_add_addr+0x411/0x2000 [12805.039498][ T7704] inet6_addr_add+0x30e/0xa40 [12805.039498][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12805.039498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12805.039498][ T7704] netlink_rcv_skb+0x130/0x360 [12805.039498][ T7704] netlink_unicast+0x449/0x710 [12805.039498][ T7704] netlink_sendmsg+0x723/0xbe0 [12805.039498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12805.039498][ T7704] ___sys_sendmsg+0xee/0x170 [12805.039498][ T7704] __sys_sendmsg+0xcd/0x170 [12805.039498][ T7704] do_syscall_64+0xc6/0x1e0 [12805.039498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12805.039498][ T7704] [12805.041753][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12805.041753][ T7704] netdev_get_by_index+0x5e/0x80 [12805.041753][ T7704] fib6_nh_init+0x3d8/0x15b0 [12805.041753][ T7704] ip6_route_info_create+0xf18/0x17d0 [12805.041753][ T7704] ip6_route_add+0x1c/0x140 [12805.041753][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12805.041753][ T7704] addrconf_add_dev+0xe2/0x170 [12805.041753][ T7704] inet6_addr_add+0x12f/0xa40 [12805.041753][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12805.041753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12805.041753][ T7704] netlink_rcv_skb+0x130/0x360 [12805.041753][ T7704] netlink_unicast+0x449/0x710 [12805.041753][ T7704] netlink_sendmsg+0x723/0xbe0 [12805.041753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12805.041753][ T7704] ___sys_sendmsg+0xee/0x170 [12805.041753][ T7704] __sys_sendmsg+0xcd/0x170 [12805.041753][ T7704] do_syscall_64+0xc6/0x1e0 [12805.041753][ T7704] [12805.043924][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12805.043924][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12805.043924][ T7704] ipv6_find_idev+0x102/0x170 [12805.043924][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12805.043924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12805.043924][ T7704] netlink_rcv_skb+0x130/0x360 [12805.043924][ T7704] netlink_unicast+0x449/0x710 [12805.043924][ T7704] netlink_sendmsg+0x723/0xbe0 [12805.043924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12805.043924][ T7704] ___sys_sendmsg+0xee/0x170 [12805.043924][ T7704] __sys_sendmsg+0xcd/0x170 [12805.043924][ T7704] do_syscall_64+0xc6/0x1e0 [12805.043924][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12805.043924][ T7704] [12805.045629][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12805.045629][ T7704] neigh_parms_alloc+0x1e5/0x510 [12805.045629][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12805.045629][ T7704] ipv6_find_idev+0x102/0x170 [12805.045629][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12805.045629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12805.045629][ T7704] netlink_rcv_skb+0x130/0x360 [12805.045629][ T7704] netlink_unicast+0x449/0x710 [12805.045629][ T7704] netlink_sendmsg+0x723/0xbe0 [12805.045629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12805.045629][ T7704] ___sys_sendmsg+0xee/0x170 [12805.045629][ T7704] __sys_sendmsg+0xcd/0x170 [12805.045629][ T7704] do_syscall_64+0xc6/0x1e0 [12805.045629][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12805.045629][ T7704] [12815.284841][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12815.285271][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12815.285271][ T7704] netdev_get_by_index+0x5e/0x80 [12815.285271][ T7704] fib6_nh_init+0x3d8/0x15b0 [12815.285271][ T7704] ip6_route_info_create+0xf18/0x17d0 [12815.285271][ T7704] ip6_route_add+0x1c/0x140 [12815.285271][ T7704] addrconf_prefix_route+0x2a6/0x430 [12815.285271][ T7704] inet6_addr_add+0x4f8/0xa40 [12815.285271][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12815.285271][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12815.285271][ T7704] netlink_rcv_skb+0x130/0x360 [12815.285271][ T7704] netlink_unicast+0x449/0x710 [12815.285271][ T7704] netlink_sendmsg+0x723/0xbe0 [12815.285271][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12815.285271][ T7704] ___sys_sendmsg+0xee/0x170 [12815.285271][ T7704] __sys_sendmsg+0xcd/0x170 [12815.285271][ T7704] do_syscall_64+0xc6/0x1e0 [12815.285271][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12815.285271][ T7704] [12815.287513][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12815.287513][ T7704] netdev_get_by_index+0x5e/0x80 [12815.287513][ T7704] fib6_nh_init+0x3d8/0x15b0 [12815.287513][ T7704] ip6_route_info_create+0xf18/0x17d0 [12815.287513][ T7704] addrconf_f6i_alloc+0x315/0x560 [12815.287513][ T7704] ipv6_add_addr+0x411/0x2000 [12815.287513][ T7704] inet6_addr_add+0x30e/0xa40 [12815.287513][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12815.287513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12815.287513][ T7704] netlink_rcv_skb+0x130/0x360 [12815.287513][ T7704] netlink_unicast+0x449/0x710 [12815.287513][ T7704] netlink_sendmsg+0x723/0xbe0 [12815.287513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12815.287513][ T7704] ___sys_sendmsg+0xee/0x170 [12815.287513][ T7704] __sys_sendmsg+0xcd/0x170 [12815.287513][ T7704] do_syscall_64+0xc6/0x1e0 [12815.287513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12815.287513][ T7704] [12815.289730][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12815.289730][ T7704] netdev_get_by_index+0x5e/0x80 [12815.289730][ T7704] fib6_nh_init+0x3d8/0x15b0 [12815.289730][ T7704] ip6_route_info_create+0xf18/0x17d0 [12815.289730][ T7704] ip6_route_add+0x1c/0x140 [12815.289730][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12815.289730][ T7704] addrconf_add_dev+0xe2/0x170 [12815.289730][ T7704] inet6_addr_add+0x12f/0xa40 [12815.289730][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12815.289730][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12815.289730][ T7704] netlink_rcv_skb+0x130/0x360 [12815.289730][ T7704] netlink_unicast+0x449/0x710 [12815.289730][ T7704] netlink_sendmsg+0x723/0xbe0 [12815.289730][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12815.289730][ T7704] ___sys_sendmsg+0xee/0x170 [12815.289730][ T7704] __sys_sendmsg+0xcd/0x170 [12815.289730][ T7704] do_syscall_64+0xc6/0x1e0 [12815.289730][ T7704] [12815.291964][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12815.291964][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12815.291964][ T7704] ipv6_find_idev+0x102/0x170 [12815.291964][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12815.291964][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12815.291964][ T7704] netlink_rcv_skb+0x130/0x360 [12815.291964][ T7704] netlink_unicast+0x449/0x710 [12815.291964][ T7704] netlink_sendmsg+0x723/0xbe0 [12815.291964][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12815.291964][ T7704] ___sys_sendmsg+0xee/0x170 [12815.291964][ T7704] __sys_sendmsg+0xcd/0x170 [12815.291964][ T7704] do_syscall_64+0xc6/0x1e0 [12815.291964][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12815.291964][ T7704] [12815.293665][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12815.293665][ T7704] neigh_parms_alloc+0x1e5/0x510 [12815.293665][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12815.293665][ T7704] ipv6_find_idev+0x102/0x170 [12815.293665][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12815.293665][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12815.293665][ T7704] netlink_rcv_skb+0x130/0x360 [12815.293665][ T7704] netlink_unicast+0x449/0x710 [12815.293665][ T7704] netlink_sendmsg+0x723/0xbe0 [12815.293665][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12815.293665][ T7704] ___sys_sendmsg+0xee/0x170 [12815.293665][ T7704] __sys_sendmsg+0xcd/0x170 [12815.293665][ T7704] do_syscall_64+0xc6/0x1e0 [12815.293665][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12815.293665][ T7704] [12825.532862][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12825.533297][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12825.533297][ T7704] netdev_get_by_index+0x5e/0x80 [12825.533297][ T7704] fib6_nh_init+0x3d8/0x15b0 [12825.533297][ T7704] ip6_route_info_create+0xf18/0x17d0 [12825.533297][ T7704] ip6_route_add+0x1c/0x140 [12825.533297][ T7704] addrconf_prefix_route+0x2a6/0x430 [12825.533297][ T7704] inet6_addr_add+0x4f8/0xa40 [12825.533297][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12825.533297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12825.533297][ T7704] netlink_rcv_skb+0x130/0x360 [12825.533297][ T7704] netlink_unicast+0x449/0x710 [12825.533297][ T7704] netlink_sendmsg+0x723/0xbe0 [12825.533297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12825.533297][ T7704] ___sys_sendmsg+0xee/0x170 [12825.533297][ T7704] __sys_sendmsg+0xcd/0x170 [12825.533297][ T7704] do_syscall_64+0xc6/0x1e0 [12825.533297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12825.533297][ T7704] [12825.535520][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12825.535520][ T7704] netdev_get_by_index+0x5e/0x80 [12825.535520][ T7704] fib6_nh_init+0x3d8/0x15b0 [12825.535520][ T7704] ip6_route_info_create+0xf18/0x17d0 [12825.535520][ T7704] addrconf_f6i_alloc+0x315/0x560 [12825.535520][ T7704] ipv6_add_addr+0x411/0x2000 [12825.535520][ T7704] inet6_addr_add+0x30e/0xa40 [12825.535520][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12825.535520][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12825.535520][ T7704] netlink_rcv_skb+0x130/0x360 [12825.535520][ T7704] netlink_unicast+0x449/0x710 [12825.535520][ T7704] netlink_sendmsg+0x723/0xbe0 [12825.535520][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12825.535520][ T7704] ___sys_sendmsg+0xee/0x170 [12825.535520][ T7704] __sys_sendmsg+0xcd/0x170 [12825.535520][ T7704] do_syscall_64+0xc6/0x1e0 [12825.535520][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12825.535520][ T7704] [12825.537732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12825.537732][ T7704] netdev_get_by_index+0x5e/0x80 [12825.537732][ T7704] fib6_nh_init+0x3d8/0x15b0 [12825.537732][ T7704] ip6_route_info_create+0xf18/0x17d0 [12825.537732][ T7704] ip6_route_add+0x1c/0x140 [12825.537732][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12825.537732][ T7704] addrconf_add_dev+0xe2/0x170 [12825.537732][ T7704] inet6_addr_add+0x12f/0xa40 [12825.537732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12825.537732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12825.537732][ T7704] netlink_rcv_skb+0x130/0x360 [12825.537732][ T7704] netlink_unicast+0x449/0x710 [12825.537732][ T7704] netlink_sendmsg+0x723/0xbe0 [12825.537732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12825.537732][ T7704] ___sys_sendmsg+0xee/0x170 [12825.537732][ T7704] __sys_sendmsg+0xcd/0x170 [12825.537732][ T7704] do_syscall_64+0xc6/0x1e0 [12825.537732][ T7704] [12825.539907][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12825.539907][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12825.539907][ T7704] ipv6_find_idev+0x102/0x170 [12825.539907][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12825.539907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12825.539907][ T7704] netlink_rcv_skb+0x130/0x360 [12825.539907][ T7704] netlink_unicast+0x449/0x710 [12825.539907][ T7704] netlink_sendmsg+0x723/0xbe0 [12825.539907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12825.539907][ T7704] ___sys_sendmsg+0xee/0x170 [12825.539907][ T7704] __sys_sendmsg+0xcd/0x170 [12825.539907][ T7704] do_syscall_64+0xc6/0x1e0 [12825.539907][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12825.539907][ T7704] [12825.542234][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12825.542234][ T7704] neigh_parms_alloc+0x1e5/0x510 [12825.542234][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12825.542234][ T7704] ipv6_find_idev+0x102/0x170 [12825.542234][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12825.542234][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12825.542234][ T7704] netlink_rcv_skb+0x130/0x360 [12825.542234][ T7704] netlink_unicast+0x449/0x710 [12825.542234][ T7704] netlink_sendmsg+0x723/0xbe0 [12825.542234][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12825.542234][ T7704] ___sys_sendmsg+0xee/0x170 [12825.542234][ T7704] __sys_sendmsg+0xcd/0x170 [12825.542234][ T7704] do_syscall_64+0xc6/0x1e0 [12825.542234][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12825.542234][ T7704] [12835.780842][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12835.781337][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12835.781337][ T7704] netdev_get_by_index+0x5e/0x80 [12835.781337][ T7704] fib6_nh_init+0x3d8/0x15b0 [12835.781337][ T7704] ip6_route_info_create+0xf18/0x17d0 [12835.781337][ T7704] ip6_route_add+0x1c/0x140 [12835.781337][ T7704] addrconf_prefix_route+0x2a6/0x430 [12835.781337][ T7704] inet6_addr_add+0x4f8/0xa40 [12835.781337][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12835.781337][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12835.781337][ T7704] netlink_rcv_skb+0x130/0x360 [12835.781337][ T7704] netlink_unicast+0x449/0x710 [12835.781337][ T7704] netlink_sendmsg+0x723/0xbe0 [12835.781337][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12835.781337][ T7704] ___sys_sendmsg+0xee/0x170 [12835.781337][ T7704] __sys_sendmsg+0xcd/0x170 [12835.781337][ T7704] do_syscall_64+0xc6/0x1e0 [12835.781337][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12835.781337][ T7704] [12835.783600][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12835.783600][ T7704] netdev_get_by_index+0x5e/0x80 [12835.783600][ T7704] fib6_nh_init+0x3d8/0x15b0 [12835.783600][ T7704] ip6_route_info_create+0xf18/0x17d0 [12835.783600][ T7704] addrconf_f6i_alloc+0x315/0x560 [12835.783600][ T7704] ipv6_add_addr+0x411/0x2000 [12835.783600][ T7704] inet6_addr_add+0x30e/0xa40 [12835.783600][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12835.783600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12835.783600][ T7704] netlink_rcv_skb+0x130/0x360 [12835.783600][ T7704] netlink_unicast+0x449/0x710 [12835.783600][ T7704] netlink_sendmsg+0x723/0xbe0 [12835.783600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12835.783600][ T7704] ___sys_sendmsg+0xee/0x170 [12835.783600][ T7704] __sys_sendmsg+0xcd/0x170 [12835.783600][ T7704] do_syscall_64+0xc6/0x1e0 [12835.783600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12835.783600][ T7704] [12835.785837][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12835.785837][ T7704] netdev_get_by_index+0x5e/0x80 [12835.785837][ T7704] fib6_nh_init+0x3d8/0x15b0 [12835.785837][ T7704] ip6_route_info_create+0xf18/0x17d0 [12835.785837][ T7704] ip6_route_add+0x1c/0x140 [12835.785837][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12835.785837][ T7704] addrconf_add_dev+0xe2/0x170 [12835.785837][ T7704] inet6_addr_add+0x12f/0xa40 [12835.785837][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12835.785837][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12835.785837][ T7704] netlink_rcv_skb+0x130/0x360 [12835.785837][ T7704] netlink_unicast+0x449/0x710 [12835.785837][ T7704] netlink_sendmsg+0x723/0xbe0 [12835.785837][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12835.785837][ T7704] ___sys_sendmsg+0xee/0x170 [12835.785837][ T7704] __sys_sendmsg+0xcd/0x170 [12835.785837][ T7704] do_syscall_64+0xc6/0x1e0 [12835.785837][ T7704] [12835.788019][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12835.788019][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12835.788019][ T7704] ipv6_find_idev+0x102/0x170 [12835.788019][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12835.788019][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12835.788019][ T7704] netlink_rcv_skb+0x130/0x360 [12835.788019][ T7704] netlink_unicast+0x449/0x710 [12835.788019][ T7704] netlink_sendmsg+0x723/0xbe0 [12835.788019][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12835.788019][ T7704] ___sys_sendmsg+0xee/0x170 [12835.788019][ T7704] __sys_sendmsg+0xcd/0x170 [12835.788019][ T7704] do_syscall_64+0xc6/0x1e0 [12835.788019][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12835.788019][ T7704] [12835.789721][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12835.789721][ T7704] neigh_parms_alloc+0x1e5/0x510 [12835.789721][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12835.789721][ T7704] ipv6_find_idev+0x102/0x170 [12835.789721][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12835.789721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12835.789721][ T7704] netlink_rcv_skb+0x130/0x360 [12835.789721][ T7704] netlink_unicast+0x449/0x710 [12835.789721][ T7704] netlink_sendmsg+0x723/0xbe0 [12835.789721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12835.789721][ T7704] ___sys_sendmsg+0xee/0x170 [12835.789721][ T7704] __sys_sendmsg+0xcd/0x170 [12835.789721][ T7704] do_syscall_64+0xc6/0x1e0 [12835.789721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12835.789721][ T7704] [12845.932822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12845.933376][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12845.933376][ T7704] netdev_get_by_index+0x5e/0x80 [12845.933376][ T7704] fib6_nh_init+0x3d8/0x15b0 [12845.933376][ T7704] ip6_route_info_create+0xf18/0x17d0 [12845.933376][ T7704] ip6_route_add+0x1c/0x140 [12845.933376][ T7704] addrconf_prefix_route+0x2a6/0x430 [12845.933376][ T7704] inet6_addr_add+0x4f8/0xa40 [12845.933376][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12845.933376][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12845.933376][ T7704] netlink_rcv_skb+0x130/0x360 [12845.933376][ T7704] netlink_unicast+0x449/0x710 [12845.933376][ T7704] netlink_sendmsg+0x723/0xbe0 [12845.933376][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12845.933376][ T7704] ___sys_sendmsg+0xee/0x170 [12845.933376][ T7704] __sys_sendmsg+0xcd/0x170 [12845.933376][ T7704] do_syscall_64+0xc6/0x1e0 [12845.933376][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12845.933376][ T7704] [12845.935625][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12845.935625][ T7704] netdev_get_by_index+0x5e/0x80 [12845.935625][ T7704] fib6_nh_init+0x3d8/0x15b0 [12845.935625][ T7704] ip6_route_info_create+0xf18/0x17d0 [12845.935625][ T7704] addrconf_f6i_alloc+0x315/0x560 [12845.935625][ T7704] ipv6_add_addr+0x411/0x2000 [12845.935625][ T7704] inet6_addr_add+0x30e/0xa40 [12845.935625][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12845.935625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12845.935625][ T7704] netlink_rcv_skb+0x130/0x360 [12845.935625][ T7704] netlink_unicast+0x449/0x710 [12845.935625][ T7704] netlink_sendmsg+0x723/0xbe0 [12845.935625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12845.935625][ T7704] ___sys_sendmsg+0xee/0x170 [12845.935625][ T7704] __sys_sendmsg+0xcd/0x170 [12845.935625][ T7704] do_syscall_64+0xc6/0x1e0 [12845.935625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12845.935625][ T7704] [12845.937856][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12845.937856][ T7704] netdev_get_by_index+0x5e/0x80 [12845.937856][ T7704] fib6_nh_init+0x3d8/0x15b0 [12845.937856][ T7704] ip6_route_info_create+0xf18/0x17d0 [12845.937856][ T7704] ip6_route_add+0x1c/0x140 [12845.937856][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12845.937856][ T7704] addrconf_add_dev+0xe2/0x170 [12845.937856][ T7704] inet6_addr_add+0x12f/0xa40 [12845.937856][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12845.937856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12845.937856][ T7704] netlink_rcv_skb+0x130/0x360 [12845.937856][ T7704] netlink_unicast+0x449/0x710 [12845.937856][ T7704] netlink_sendmsg+0x723/0xbe0 [12845.937856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12845.937856][ T7704] ___sys_sendmsg+0xee/0x170 [12845.937856][ T7704] __sys_sendmsg+0xcd/0x170 [12845.937856][ T7704] do_syscall_64+0xc6/0x1e0 [12845.937856][ T7704] [12845.940592][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12845.940592][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12845.940592][ T7704] ipv6_find_idev+0x102/0x170 [12845.940592][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12845.940592][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12845.940592][ T7704] netlink_rcv_skb+0x130/0x360 [12845.940592][ T7704] netlink_unicast+0x449/0x710 [12845.940592][ T7704] netlink_sendmsg+0x723/0xbe0 [12845.940592][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12845.940592][ T7704] ___sys_sendmsg+0xee/0x170 [12845.940592][ T7704] __sys_sendmsg+0xcd/0x170 [12845.940592][ T7704] do_syscall_64+0xc6/0x1e0 [12845.940592][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12845.940592][ T7704] [12845.942327][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12845.942327][ T7704] neigh_parms_alloc+0x1e5/0x510 [12845.942327][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12845.942327][ T7704] ipv6_find_idev+0x102/0x170 [12845.942327][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12845.942327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12845.942327][ T7704] netlink_rcv_skb+0x130/0x360 [12845.942327][ T7704] netlink_unicast+0x449/0x710 [12845.942327][ T7704] netlink_sendmsg+0x723/0xbe0 [12845.942327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12845.942327][ T7704] ___sys_sendmsg+0xee/0x170 [12845.942327][ T7704] __sys_sendmsg+0xcd/0x170 [12845.942327][ T7704] do_syscall_64+0xc6/0x1e0 [12845.942327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12845.942327][ T7704] [12856.044798][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12856.045326][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12856.045326][ T7704] netdev_get_by_index+0x5e/0x80 [12856.045326][ T7704] fib6_nh_init+0x3d8/0x15b0 [12856.045326][ T7704] ip6_route_info_create+0xf18/0x17d0 [12856.045326][ T7704] ip6_route_add+0x1c/0x140 [12856.045326][ T7704] addrconf_prefix_route+0x2a6/0x430 [12856.045326][ T7704] inet6_addr_add+0x4f8/0xa40 [12856.045326][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12856.045326][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12856.045326][ T7704] netlink_rcv_skb+0x130/0x360 [12856.045326][ T7704] netlink_unicast+0x449/0x710 [12856.045326][ T7704] netlink_sendmsg+0x723/0xbe0 [12856.045326][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12856.045326][ T7704] ___sys_sendmsg+0xee/0x170 [12856.045326][ T7704] __sys_sendmsg+0xcd/0x170 [12856.045326][ T7704] do_syscall_64+0xc6/0x1e0 [12856.045326][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12856.045326][ T7704] [12856.047578][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12856.047578][ T7704] netdev_get_by_index+0x5e/0x80 [12856.047578][ T7704] fib6_nh_init+0x3d8/0x15b0 [12856.047578][ T7704] ip6_route_info_create+0xf18/0x17d0 [12856.047578][ T7704] addrconf_f6i_alloc+0x315/0x560 [12856.047578][ T7704] ipv6_add_addr+0x411/0x2000 [12856.047578][ T7704] inet6_addr_add+0x30e/0xa40 [12856.047578][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12856.047578][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12856.047578][ T7704] netlink_rcv_skb+0x130/0x360 [12856.047578][ T7704] netlink_unicast+0x449/0x710 [12856.047578][ T7704] netlink_sendmsg+0x723/0xbe0 [12856.047578][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12856.047578][ T7704] ___sys_sendmsg+0xee/0x170 [12856.047578][ T7704] __sys_sendmsg+0xcd/0x170 [12856.047578][ T7704] do_syscall_64+0xc6/0x1e0 [12856.047578][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12856.047578][ T7704] [12856.049791][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12856.049791][ T7704] netdev_get_by_index+0x5e/0x80 [12856.049791][ T7704] fib6_nh_init+0x3d8/0x15b0 [12856.049791][ T7704] ip6_route_info_create+0xf18/0x17d0 [12856.049791][ T7704] ip6_route_add+0x1c/0x140 [12856.049791][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12856.049791][ T7704] addrconf_add_dev+0xe2/0x170 [12856.049791][ T7704] inet6_addr_add+0x12f/0xa40 [12856.049791][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12856.049791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12856.049791][ T7704] netlink_rcv_skb+0x130/0x360 [12856.049791][ T7704] netlink_unicast+0x449/0x710 [12856.049791][ T7704] netlink_sendmsg+0x723/0xbe0 [12856.049791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12856.049791][ T7704] ___sys_sendmsg+0xee/0x170 [12856.049791][ T7704] __sys_sendmsg+0xcd/0x170 [12856.049791][ T7704] do_syscall_64+0xc6/0x1e0 [12856.049791][ T7704] [12856.051976][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12856.051976][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12856.051976][ T7704] ipv6_find_idev+0x102/0x170 [12856.051976][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12856.051976][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12856.051976][ T7704] netlink_rcv_skb+0x130/0x360 [12856.051976][ T7704] netlink_unicast+0x449/0x710 [12856.051976][ T7704] netlink_sendmsg+0x723/0xbe0 [12856.051976][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12856.051976][ T7704] ___sys_sendmsg+0xee/0x170 [12856.051976][ T7704] __sys_sendmsg+0xcd/0x170 [12856.051976][ T7704] do_syscall_64+0xc6/0x1e0 [12856.051976][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12856.051976][ T7704] [12856.053686][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12856.053686][ T7704] neigh_parms_alloc+0x1e5/0x510 [12856.053686][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12856.053686][ T7704] ipv6_find_idev+0x102/0x170 [12856.053686][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12856.053686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12856.053686][ T7704] netlink_rcv_skb+0x130/0x360 [12856.053686][ T7704] netlink_unicast+0x449/0x710 [12856.053686][ T7704] netlink_sendmsg+0x723/0xbe0 [12856.053686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12856.053686][ T7704] ___sys_sendmsg+0xee/0x170 [12856.053686][ T7704] __sys_sendmsg+0xcd/0x170 [12856.053686][ T7704] do_syscall_64+0xc6/0x1e0 [12856.053686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12856.053686][ T7704] [12866.124798][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12866.125302][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12866.125302][ T7704] netdev_get_by_index+0x5e/0x80 [12866.125302][ T7704] fib6_nh_init+0x3d8/0x15b0 [12866.125302][ T7704] ip6_route_info_create+0xf18/0x17d0 [12866.125302][ T7704] ip6_route_add+0x1c/0x140 [12866.125302][ T7704] addrconf_prefix_route+0x2a6/0x430 [12866.125302][ T7704] inet6_addr_add+0x4f8/0xa40 [12866.125302][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12866.125302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12866.125302][ T7704] netlink_rcv_skb+0x130/0x360 [12866.125302][ T7704] netlink_unicast+0x449/0x710 [12866.125302][ T7704] netlink_sendmsg+0x723/0xbe0 [12866.125302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12866.125302][ T7704] ___sys_sendmsg+0xee/0x170 [12866.125302][ T7704] __sys_sendmsg+0xcd/0x170 [12866.125302][ T7704] do_syscall_64+0xc6/0x1e0 [12866.125302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12866.125302][ T7704] [12866.127580][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12866.127580][ T7704] netdev_get_by_index+0x5e/0x80 [12866.127580][ T7704] fib6_nh_init+0x3d8/0x15b0 [12866.127580][ T7704] ip6_route_info_create+0xf18/0x17d0 [12866.127580][ T7704] addrconf_f6i_alloc+0x315/0x560 [12866.127580][ T7704] ipv6_add_addr+0x411/0x2000 [12866.127580][ T7704] inet6_addr_add+0x30e/0xa40 [12866.127580][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12866.127580][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12866.127580][ T7704] netlink_rcv_skb+0x130/0x360 [12866.127580][ T7704] netlink_unicast+0x449/0x710 [12866.127580][ T7704] netlink_sendmsg+0x723/0xbe0 [12866.127580][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12866.127580][ T7704] ___sys_sendmsg+0xee/0x170 [12866.127580][ T7704] __sys_sendmsg+0xcd/0x170 [12866.127580][ T7704] do_syscall_64+0xc6/0x1e0 [12866.127580][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12866.127580][ T7704] [12866.129821][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12866.129821][ T7704] netdev_get_by_index+0x5e/0x80 [12866.129821][ T7704] fib6_nh_init+0x3d8/0x15b0 [12866.129821][ T7704] ip6_route_info_create+0xf18/0x17d0 [12866.129821][ T7704] ip6_route_add+0x1c/0x140 [12866.129821][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12866.129821][ T7704] addrconf_add_dev+0xe2/0x170 [12866.129821][ T7704] inet6_addr_add+0x12f/0xa40 [12866.129821][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12866.129821][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12866.129821][ T7704] netlink_rcv_skb+0x130/0x360 [12866.129821][ T7704] netlink_unicast+0x449/0x710 [12866.129821][ T7704] netlink_sendmsg+0x723/0xbe0 [12866.129821][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12866.129821][ T7704] ___sys_sendmsg+0xee/0x170 [12866.129821][ T7704] __sys_sendmsg+0xcd/0x170 [12866.129821][ T7704] do_syscall_64+0xc6/0x1e0 [12866.129821][ T7704] [12866.132033][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12866.132033][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12866.132033][ T7704] ipv6_find_idev+0x102/0x170 [12866.132033][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12866.132033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12866.132033][ T7704] netlink_rcv_skb+0x130/0x360 [12866.132033][ T7704] netlink_unicast+0x449/0x710 [12866.132033][ T7704] netlink_sendmsg+0x723/0xbe0 [12866.132033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12866.132033][ T7704] ___sys_sendmsg+0xee/0x170 [12866.132033][ T7704] __sys_sendmsg+0xcd/0x170 [12866.132033][ T7704] do_syscall_64+0xc6/0x1e0 [12866.132033][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12866.132033][ T7704] [12866.133749][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12866.133749][ T7704] neigh_parms_alloc+0x1e5/0x510 [12866.133749][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12866.133749][ T7704] ipv6_find_idev+0x102/0x170 [12866.133749][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12866.133749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12866.133749][ T7704] netlink_rcv_skb+0x130/0x360 [12866.133749][ T7704] netlink_unicast+0x449/0x710 [12866.133749][ T7704] netlink_sendmsg+0x723/0xbe0 [12866.133749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12866.133749][ T7704] ___sys_sendmsg+0xee/0x170 [12866.133749][ T7704] __sys_sendmsg+0xcd/0x170 [12866.133749][ T7704] do_syscall_64+0xc6/0x1e0 [12866.133749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12866.133749][ T7704] [12876.372772][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12876.373284][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12876.373284][ T7704] netdev_get_by_index+0x5e/0x80 [12876.373284][ T7704] fib6_nh_init+0x3d8/0x15b0 [12876.373284][ T7704] ip6_route_info_create+0xf18/0x17d0 [12876.373284][ T7704] ip6_route_add+0x1c/0x140 [12876.373284][ T7704] addrconf_prefix_route+0x2a6/0x430 [12876.373284][ T7704] inet6_addr_add+0x4f8/0xa40 [12876.373284][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12876.373284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12876.373284][ T7704] netlink_rcv_skb+0x130/0x360 [12876.373284][ T7704] netlink_unicast+0x449/0x710 [12876.373284][ T7704] netlink_sendmsg+0x723/0xbe0 [12876.373284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12876.373284][ T7704] ___sys_sendmsg+0xee/0x170 [12876.373284][ T7704] __sys_sendmsg+0xcd/0x170 [12876.373284][ T7704] do_syscall_64+0xc6/0x1e0 [12876.373284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12876.373284][ T7704] [12876.375616][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12876.375616][ T7704] netdev_get_by_index+0x5e/0x80 [12876.375616][ T7704] fib6_nh_init+0x3d8/0x15b0 [12876.375616][ T7704] ip6_route_info_create+0xf18/0x17d0 [12876.375616][ T7704] addrconf_f6i_alloc+0x315/0x560 [12876.375616][ T7704] ipv6_add_addr+0x411/0x2000 [12876.375616][ T7704] inet6_addr_add+0x30e/0xa40 [12876.375616][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12876.375616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12876.375616][ T7704] netlink_rcv_skb+0x130/0x360 [12876.375616][ T7704] netlink_unicast+0x449/0x710 [12876.375616][ T7704] netlink_sendmsg+0x723/0xbe0 [12876.375616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12876.375616][ T7704] ___sys_sendmsg+0xee/0x170 [12876.375616][ T7704] __sys_sendmsg+0xcd/0x170 [12876.375616][ T7704] do_syscall_64+0xc6/0x1e0 [12876.375616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12876.375616][ T7704] [12876.377977][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12876.377977][ T7704] netdev_get_by_index+0x5e/0x80 [12876.377977][ T7704] fib6_nh_init+0x3d8/0x15b0 [12876.377977][ T7704] ip6_route_info_create+0xf18/0x17d0 [12876.377977][ T7704] ip6_route_add+0x1c/0x140 [12876.377977][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12876.377977][ T7704] addrconf_add_dev+0xe2/0x170 [12876.377977][ T7704] inet6_addr_add+0x12f/0xa40 [12876.377977][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12876.377977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12876.377977][ T7704] netlink_rcv_skb+0x130/0x360 [12876.377977][ T7704] netlink_unicast+0x449/0x710 [12876.377977][ T7704] netlink_sendmsg+0x723/0xbe0 [12876.377977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12876.377977][ T7704] ___sys_sendmsg+0xee/0x170 [12876.377977][ T7704] __sys_sendmsg+0xcd/0x170 [12876.377977][ T7704] do_syscall_64+0xc6/0x1e0 [12876.377977][ T7704] [12876.380282][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12876.380282][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12876.380282][ T7704] ipv6_find_idev+0x102/0x170 [12876.380282][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12876.380282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12876.380282][ T7704] netlink_rcv_skb+0x130/0x360 [12876.380282][ T7704] netlink_unicast+0x449/0x710 [12876.380282][ T7704] netlink_sendmsg+0x723/0xbe0 [12876.380282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12876.380282][ T7704] ___sys_sendmsg+0xee/0x170 [12876.380282][ T7704] __sys_sendmsg+0xcd/0x170 [12876.380282][ T7704] do_syscall_64+0xc6/0x1e0 [12876.380282][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12876.380282][ T7704] [12876.382096][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12876.382096][ T7704] neigh_parms_alloc+0x1e5/0x510 [12876.382096][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12876.382096][ T7704] ipv6_find_idev+0x102/0x170 [12876.382096][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12876.382096][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12876.382096][ T7704] netlink_rcv_skb+0x130/0x360 [12876.382096][ T7704] netlink_unicast+0x449/0x710 [12876.382096][ T7704] netlink_sendmsg+0x723/0xbe0 [12876.382096][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12876.382096][ T7704] ___sys_sendmsg+0xee/0x170 [12876.382096][ T7704] __sys_sendmsg+0xcd/0x170 [12876.382096][ T7704] do_syscall_64+0xc6/0x1e0 [12876.382096][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12876.382096][ T7704] [12886.620844][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12886.621391][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12886.621391][ T7704] netdev_get_by_index+0x5e/0x80 [12886.621391][ T7704] fib6_nh_init+0x3d8/0x15b0 [12886.621391][ T7704] ip6_route_info_create+0xf18/0x17d0 [12886.621391][ T7704] ip6_route_add+0x1c/0x140 [12886.621391][ T7704] addrconf_prefix_route+0x2a6/0x430 [12886.621391][ T7704] inet6_addr_add+0x4f8/0xa40 [12886.621391][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12886.621391][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12886.621391][ T7704] netlink_rcv_skb+0x130/0x360 [12886.621391][ T7704] netlink_unicast+0x449/0x710 [12886.621391][ T7704] netlink_sendmsg+0x723/0xbe0 [12886.621391][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12886.621391][ T7704] ___sys_sendmsg+0xee/0x170 [12886.621391][ T7704] __sys_sendmsg+0xcd/0x170 [12886.621391][ T7704] do_syscall_64+0xc6/0x1e0 [12886.621391][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12886.621391][ T7704] [12886.623675][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12886.623675][ T7704] netdev_get_by_index+0x5e/0x80 [12886.623675][ T7704] fib6_nh_init+0x3d8/0x15b0 [12886.623675][ T7704] ip6_route_info_create+0xf18/0x17d0 [12886.623675][ T7704] addrconf_f6i_alloc+0x315/0x560 [12886.623675][ T7704] ipv6_add_addr+0x411/0x2000 [12886.623675][ T7704] inet6_addr_add+0x30e/0xa40 [12886.623675][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12886.623675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12886.623675][ T7704] netlink_rcv_skb+0x130/0x360 [12886.623675][ T7704] netlink_unicast+0x449/0x710 [12886.623675][ T7704] netlink_sendmsg+0x723/0xbe0 [12886.623675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12886.623675][ T7704] ___sys_sendmsg+0xee/0x170 [12886.623675][ T7704] __sys_sendmsg+0xcd/0x170 [12886.623675][ T7704] do_syscall_64+0xc6/0x1e0 [12886.623675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12886.623675][ T7704] [12886.625923][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12886.625923][ T7704] netdev_get_by_index+0x5e/0x80 [12886.625923][ T7704] fib6_nh_init+0x3d8/0x15b0 [12886.625923][ T7704] ip6_route_info_create+0xf18/0x17d0 [12886.625923][ T7704] ip6_route_add+0x1c/0x140 [12886.625923][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12886.625923][ T7704] addrconf_add_dev+0xe2/0x170 [12886.625923][ T7704] inet6_addr_add+0x12f/0xa40 [12886.625923][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12886.625923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12886.625923][ T7704] netlink_rcv_skb+0x130/0x360 [12886.625923][ T7704] netlink_unicast+0x449/0x710 [12886.625923][ T7704] netlink_sendmsg+0x723/0xbe0 [12886.625923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12886.625923][ T7704] ___sys_sendmsg+0xee/0x170 [12886.625923][ T7704] __sys_sendmsg+0xcd/0x170 [12886.625923][ T7704] do_syscall_64+0xc6/0x1e0 [12886.625923][ T7704] [12886.628162][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12886.628162][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12886.628162][ T7704] ipv6_find_idev+0x102/0x170 [12886.628162][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12886.628162][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12886.628162][ T7704] netlink_rcv_skb+0x130/0x360 [12886.628162][ T7704] netlink_unicast+0x449/0x710 [12886.628162][ T7704] netlink_sendmsg+0x723/0xbe0 [12886.628162][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12886.628162][ T7704] ___sys_sendmsg+0xee/0x170 [12886.628162][ T7704] __sys_sendmsg+0xcd/0x170 [12886.628162][ T7704] do_syscall_64+0xc6/0x1e0 [12886.628162][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12886.628162][ T7704] [12886.629917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12886.629917][ T7704] neigh_parms_alloc+0x1e5/0x510 [12886.629917][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12886.629917][ T7704] ipv6_find_idev+0x102/0x170 [12886.629917][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12886.629917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12886.629917][ T7704] netlink_rcv_skb+0x130/0x360 [12886.629917][ T7704] netlink_unicast+0x449/0x710 [12886.629917][ T7704] netlink_sendmsg+0x723/0xbe0 [12886.629917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12886.629917][ T7704] ___sys_sendmsg+0xee/0x170 [12886.629917][ T7704] __sys_sendmsg+0xcd/0x170 [12886.629917][ T7704] do_syscall_64+0xc6/0x1e0 [12886.629917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12886.629917][ T7704] [12896.868806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12896.869302][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12896.869302][ T7704] netdev_get_by_index+0x5e/0x80 [12896.869302][ T7704] fib6_nh_init+0x3d8/0x15b0 [12896.869302][ T7704] ip6_route_info_create+0xf18/0x17d0 [12896.869302][ T7704] ip6_route_add+0x1c/0x140 [12896.869302][ T7704] addrconf_prefix_route+0x2a6/0x430 [12896.869302][ T7704] inet6_addr_add+0x4f8/0xa40 [12896.869302][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12896.869302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12896.869302][ T7704] netlink_rcv_skb+0x130/0x360 [12896.869302][ T7704] netlink_unicast+0x449/0x710 [12896.869302][ T7704] netlink_sendmsg+0x723/0xbe0 [12896.869302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12896.869302][ T7704] ___sys_sendmsg+0xee/0x170 [12896.869302][ T7704] __sys_sendmsg+0xcd/0x170 [12896.869302][ T7704] do_syscall_64+0xc6/0x1e0 [12896.869302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12896.869302][ T7704] [12896.871599][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12896.871599][ T7704] netdev_get_by_index+0x5e/0x80 [12896.871599][ T7704] fib6_nh_init+0x3d8/0x15b0 [12896.871599][ T7704] ip6_route_info_create+0xf18/0x17d0 [12896.871599][ T7704] addrconf_f6i_alloc+0x315/0x560 [12896.871599][ T7704] ipv6_add_addr+0x411/0x2000 [12896.871599][ T7704] inet6_addr_add+0x30e/0xa40 [12896.871599][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12896.871599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12896.871599][ T7704] netlink_rcv_skb+0x130/0x360 [12896.871599][ T7704] netlink_unicast+0x449/0x710 [12896.871599][ T7704] netlink_sendmsg+0x723/0xbe0 [12896.871599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12896.871599][ T7704] ___sys_sendmsg+0xee/0x170 [12896.871599][ T7704] __sys_sendmsg+0xcd/0x170 [12896.871599][ T7704] do_syscall_64+0xc6/0x1e0 [12896.871599][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12896.871599][ T7704] [12896.873825][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12896.873825][ T7704] netdev_get_by_index+0x5e/0x80 [12896.873825][ T7704] fib6_nh_init+0x3d8/0x15b0 [12896.873825][ T7704] ip6_route_info_create+0xf18/0x17d0 [12896.873825][ T7704] ip6_route_add+0x1c/0x140 [12896.873825][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12896.873825][ T7704] addrconf_add_dev+0xe2/0x170 [12896.873825][ T7704] inet6_addr_add+0x12f/0xa40 [12896.873825][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12896.873825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12896.873825][ T7704] netlink_rcv_skb+0x130/0x360 [12896.873825][ T7704] netlink_unicast+0x449/0x710 [12896.873825][ T7704] netlink_sendmsg+0x723/0xbe0 [12896.873825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12896.873825][ T7704] ___sys_sendmsg+0xee/0x170 [12896.873825][ T7704] __sys_sendmsg+0xcd/0x170 [12896.873825][ T7704] do_syscall_64+0xc6/0x1e0 [12896.873825][ T7704] [12896.876011][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12896.876011][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12896.876011][ T7704] ipv6_find_idev+0x102/0x170 [12896.876011][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12896.876011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12896.876011][ T7704] netlink_rcv_skb+0x130/0x360 [12896.876011][ T7704] netlink_unicast+0x449/0x710 [12896.876011][ T7704] netlink_sendmsg+0x723/0xbe0 [12896.876011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12896.876011][ T7704] ___sys_sendmsg+0xee/0x170 [12896.876011][ T7704] __sys_sendmsg+0xcd/0x170 [12896.876011][ T7704] do_syscall_64+0xc6/0x1e0 [12896.876011][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12896.876011][ T7704] [12896.877731][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12896.877731][ T7704] neigh_parms_alloc+0x1e5/0x510 [12896.877731][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12896.877731][ T7704] ipv6_find_idev+0x102/0x170 [12896.877731][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12896.877731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12896.877731][ T7704] netlink_rcv_skb+0x130/0x360 [12896.877731][ T7704] netlink_unicast+0x449/0x710 [12896.877731][ T7704] netlink_sendmsg+0x723/0xbe0 [12896.877731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12896.877731][ T7704] ___sys_sendmsg+0xee/0x170 [12896.877731][ T7704] __sys_sendmsg+0xcd/0x170 [12896.877731][ T7704] do_syscall_64+0xc6/0x1e0 [12896.877731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12896.877731][ T7704] [12906.892779][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12906.893282][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12906.893282][ T7704] netdev_get_by_index+0x5e/0x80 [12906.893282][ T7704] fib6_nh_init+0x3d8/0x15b0 [12906.893282][ T7704] ip6_route_info_create+0xf18/0x17d0 [12906.893282][ T7704] ip6_route_add+0x1c/0x140 [12906.893282][ T7704] addrconf_prefix_route+0x2a6/0x430 [12906.893282][ T7704] inet6_addr_add+0x4f8/0xa40 [12906.893282][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12906.893282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12906.893282][ T7704] netlink_rcv_skb+0x130/0x360 [12906.893282][ T7704] netlink_unicast+0x449/0x710 [12906.893282][ T7704] netlink_sendmsg+0x723/0xbe0 [12906.893282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12906.893282][ T7704] ___sys_sendmsg+0xee/0x170 [12906.893282][ T7704] __sys_sendmsg+0xcd/0x170 [12906.893282][ T7704] do_syscall_64+0xc6/0x1e0 [12906.893282][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12906.893282][ T7704] [12906.895537][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12906.895537][ T7704] netdev_get_by_index+0x5e/0x80 [12906.895537][ T7704] fib6_nh_init+0x3d8/0x15b0 [12906.895537][ T7704] ip6_route_info_create+0xf18/0x17d0 [12906.895537][ T7704] addrconf_f6i_alloc+0x315/0x560 [12906.895537][ T7704] ipv6_add_addr+0x411/0x2000 [12906.895537][ T7704] inet6_addr_add+0x30e/0xa40 [12906.895537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12906.895537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12906.895537][ T7704] netlink_rcv_skb+0x130/0x360 [12906.895537][ T7704] netlink_unicast+0x449/0x710 [12906.895537][ T7704] netlink_sendmsg+0x723/0xbe0 [12906.895537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12906.895537][ T7704] ___sys_sendmsg+0xee/0x170 [12906.895537][ T7704] __sys_sendmsg+0xcd/0x170 [12906.895537][ T7704] do_syscall_64+0xc6/0x1e0 [12906.895537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12906.895537][ T7704] [12906.897880][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12906.897880][ T7704] netdev_get_by_index+0x5e/0x80 [12906.897880][ T7704] fib6_nh_init+0x3d8/0x15b0 [12906.897880][ T7704] ip6_route_info_create+0xf18/0x17d0 [12906.897880][ T7704] ip6_route_add+0x1c/0x140 [12906.897880][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12906.897880][ T7704] addrconf_add_dev+0xe2/0x170 [12906.897880][ T7704] inet6_addr_add+0x12f/0xa40 [12906.897880][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12906.897880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12906.897880][ T7704] netlink_rcv_skb+0x130/0x360 [12906.897880][ T7704] netlink_unicast+0x449/0x710 [12906.897880][ T7704] netlink_sendmsg+0x723/0xbe0 [12906.897880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12906.897880][ T7704] ___sys_sendmsg+0xee/0x170 [12906.897880][ T7704] __sys_sendmsg+0xcd/0x170 [12906.897880][ T7704] do_syscall_64+0xc6/0x1e0 [12906.897880][ T7704] [12906.900251][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12906.900251][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12906.900251][ T7704] ipv6_find_idev+0x102/0x170 [12906.900251][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12906.900251][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12906.900251][ T7704] netlink_rcv_skb+0x130/0x360 [12906.900251][ T7704] netlink_unicast+0x449/0x710 [12906.900251][ T7704] netlink_sendmsg+0x723/0xbe0 [12906.900251][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12906.900251][ T7704] ___sys_sendmsg+0xee/0x170 [12906.900251][ T7704] __sys_sendmsg+0xcd/0x170 [12906.900251][ T7704] do_syscall_64+0xc6/0x1e0 [12906.900251][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12906.900251][ T7704] [12906.902017][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12906.902017][ T7704] neigh_parms_alloc+0x1e5/0x510 [12906.902017][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12906.902017][ T7704] ipv6_find_idev+0x102/0x170 [12906.902017][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12906.902017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12906.902017][ T7704] netlink_rcv_skb+0x130/0x360 [12906.902017][ T7704] netlink_unicast+0x449/0x710 [12906.902017][ T7704] netlink_sendmsg+0x723/0xbe0 [12906.902017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12906.902017][ T7704] ___sys_sendmsg+0xee/0x170 [12906.902017][ T7704] __sys_sendmsg+0xcd/0x170 [12906.902017][ T7704] do_syscall_64+0xc6/0x1e0 [12906.902017][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12906.902017][ T7704] [12917.140829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12917.141273][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12917.141273][ T7704] netdev_get_by_index+0x5e/0x80 [12917.141273][ T7704] fib6_nh_init+0x3d8/0x15b0 [12917.141273][ T7704] ip6_route_info_create+0xf18/0x17d0 [12917.141273][ T7704] ip6_route_add+0x1c/0x140 [12917.141273][ T7704] addrconf_prefix_route+0x2a6/0x430 [12917.141273][ T7704] inet6_addr_add+0x4f8/0xa40 [12917.141273][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12917.141273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12917.141273][ T7704] netlink_rcv_skb+0x130/0x360 [12917.141273][ T7704] netlink_unicast+0x449/0x710 [12917.141273][ T7704] netlink_sendmsg+0x723/0xbe0 [12917.141273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12917.141273][ T7704] ___sys_sendmsg+0xee/0x170 [12917.141273][ T7704] __sys_sendmsg+0xcd/0x170 [12917.141273][ T7704] do_syscall_64+0xc6/0x1e0 [12917.141273][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12917.141273][ T7704] [12917.143523][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12917.143523][ T7704] netdev_get_by_index+0x5e/0x80 [12917.143523][ T7704] fib6_nh_init+0x3d8/0x15b0 [12917.143523][ T7704] ip6_route_info_create+0xf18/0x17d0 [12917.143523][ T7704] addrconf_f6i_alloc+0x315/0x560 [12917.143523][ T7704] ipv6_add_addr+0x411/0x2000 [12917.143523][ T7704] inet6_addr_add+0x30e/0xa40 [12917.143523][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12917.143523][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12917.143523][ T7704] netlink_rcv_skb+0x130/0x360 [12917.143523][ T7704] netlink_unicast+0x449/0x710 [12917.143523][ T7704] netlink_sendmsg+0x723/0xbe0 [12917.143523][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12917.143523][ T7704] ___sys_sendmsg+0xee/0x170 [12917.143523][ T7704] __sys_sendmsg+0xcd/0x170 [12917.143523][ T7704] do_syscall_64+0xc6/0x1e0 [12917.143523][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12917.143523][ T7704] [12917.145772][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12917.145772][ T7704] netdev_get_by_index+0x5e/0x80 [12917.145772][ T7704] fib6_nh_init+0x3d8/0x15b0 [12917.145772][ T7704] ip6_route_info_create+0xf18/0x17d0 [12917.145772][ T7704] ip6_route_add+0x1c/0x140 [12917.145772][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12917.145772][ T7704] addrconf_add_dev+0xe2/0x170 [12917.145772][ T7704] inet6_addr_add+0x12f/0xa40 [12917.145772][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12917.145772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12917.145772][ T7704] netlink_rcv_skb+0x130/0x360 [12917.145772][ T7704] netlink_unicast+0x449/0x710 [12917.145772][ T7704] netlink_sendmsg+0x723/0xbe0 [12917.145772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12917.145772][ T7704] ___sys_sendmsg+0xee/0x170 [12917.145772][ T7704] __sys_sendmsg+0xcd/0x170 [12917.145772][ T7704] do_syscall_64+0xc6/0x1e0 [12917.145772][ T7704] [12917.148479][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12917.148479][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12917.148479][ T7704] ipv6_find_idev+0x102/0x170 [12917.148479][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12917.148479][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12917.148479][ T7704] netlink_rcv_skb+0x130/0x360 [12917.148479][ T7704] netlink_unicast+0x449/0x710 [12917.148479][ T7704] netlink_sendmsg+0x723/0xbe0 [12917.148479][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12917.148479][ T7704] ___sys_sendmsg+0xee/0x170 [12917.148479][ T7704] __sys_sendmsg+0xcd/0x170 [12917.148479][ T7704] do_syscall_64+0xc6/0x1e0 [12917.148479][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12917.148479][ T7704] [12917.150198][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12917.150198][ T7704] neigh_parms_alloc+0x1e5/0x510 [12917.150198][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12917.150198][ T7704] ipv6_find_idev+0x102/0x170 [12917.150198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12917.150198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12917.150198][ T7704] netlink_rcv_skb+0x130/0x360 [12917.150198][ T7704] netlink_unicast+0x449/0x710 [12917.150198][ T7704] netlink_sendmsg+0x723/0xbe0 [12917.150198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12917.150198][ T7704] ___sys_sendmsg+0xee/0x170 [12917.150198][ T7704] __sys_sendmsg+0xcd/0x170 [12917.150198][ T7704] do_syscall_64+0xc6/0x1e0 [12917.150198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12917.150198][ T7704] [12927.188858][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12927.189325][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12927.189325][ T7704] netdev_get_by_index+0x5e/0x80 [12927.189325][ T7704] fib6_nh_init+0x3d8/0x15b0 [12927.189325][ T7704] ip6_route_info_create+0xf18/0x17d0 [12927.189325][ T7704] ip6_route_add+0x1c/0x140 [12927.189325][ T7704] addrconf_prefix_route+0x2a6/0x430 [12927.189325][ T7704] inet6_addr_add+0x4f8/0xa40 [12927.189325][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12927.189325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12927.189325][ T7704] netlink_rcv_skb+0x130/0x360 [12927.189325][ T7704] netlink_unicast+0x449/0x710 [12927.189325][ T7704] netlink_sendmsg+0x723/0xbe0 [12927.189325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12927.189325][ T7704] ___sys_sendmsg+0xee/0x170 [12927.189325][ T7704] __sys_sendmsg+0xcd/0x170 [12927.189325][ T7704] do_syscall_64+0xc6/0x1e0 [12927.189325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12927.189325][ T7704] [12927.191799][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12927.191799][ T7704] netdev_get_by_index+0x5e/0x80 [12927.191799][ T7704] fib6_nh_init+0x3d8/0x15b0 [12927.191799][ T7704] ip6_route_info_create+0xf18/0x17d0 [12927.191799][ T7704] addrconf_f6i_alloc+0x315/0x560 [12927.191799][ T7704] ipv6_add_addr+0x411/0x2000 [12927.191799][ T7704] inet6_addr_add+0x30e/0xa40 [12927.191799][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12927.191799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12927.191799][ T7704] netlink_rcv_skb+0x130/0x360 [12927.191799][ T7704] netlink_unicast+0x449/0x710 [12927.191799][ T7704] netlink_sendmsg+0x723/0xbe0 [12927.191799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12927.191799][ T7704] ___sys_sendmsg+0xee/0x170 [12927.191799][ T7704] __sys_sendmsg+0xcd/0x170 [12927.191799][ T7704] do_syscall_64+0xc6/0x1e0 [12927.191799][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12927.191799][ T7704] [12927.194202][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12927.194202][ T7704] netdev_get_by_index+0x5e/0x80 [12927.194202][ T7704] fib6_nh_init+0x3d8/0x15b0 [12927.194202][ T7704] ip6_route_info_create+0xf18/0x17d0 [12927.194202][ T7704] ip6_route_add+0x1c/0x140 [12927.194202][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12927.194202][ T7704] addrconf_add_dev+0xe2/0x170 [12927.194202][ T7704] inet6_addr_add+0x12f/0xa40 [12927.194202][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12927.194202][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12927.194202][ T7704] netlink_rcv_skb+0x130/0x360 [12927.194202][ T7704] netlink_unicast+0x449/0x710 [12927.194202][ T7704] netlink_sendmsg+0x723/0xbe0 [12927.194202][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12927.194202][ T7704] ___sys_sendmsg+0xee/0x170 [12927.194202][ T7704] __sys_sendmsg+0xcd/0x170 [12927.194202][ T7704] do_syscall_64+0xc6/0x1e0 [12927.194202][ T7704] [12927.196564][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12927.196564][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12927.196564][ T7704] ipv6_find_idev+0x102/0x170 [12927.196564][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12927.196564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12927.196564][ T7704] netlink_rcv_skb+0x130/0x360 [12927.196564][ T7704] netlink_unicast+0x449/0x710 [12927.196564][ T7704] netlink_sendmsg+0x723/0xbe0 [12927.196564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12927.196564][ T7704] ___sys_sendmsg+0xee/0x170 [12927.196564][ T7704] __sys_sendmsg+0xcd/0x170 [12927.196564][ T7704] do_syscall_64+0xc6/0x1e0 [12927.196564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12927.196564][ T7704] [12927.198440][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12927.198440][ T7704] neigh_parms_alloc+0x1e5/0x510 [12927.198440][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12927.198440][ T7704] ipv6_find_idev+0x102/0x170 [12927.198440][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12927.198440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12927.198440][ T7704] netlink_rcv_skb+0x130/0x360 [12927.198440][ T7704] netlink_unicast+0x449/0x710 [12927.198440][ T7704] netlink_sendmsg+0x723/0xbe0 [12927.198440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12927.198440][ T7704] ___sys_sendmsg+0xee/0x170 [12927.198440][ T7704] __sys_sendmsg+0xcd/0x170 [12927.198440][ T7704] do_syscall_64+0xc6/0x1e0 [12927.198440][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12927.198440][ T7704] [12937.436839][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12937.437346][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12937.437346][ T7704] netdev_get_by_index+0x5e/0x80 [12937.437346][ T7704] fib6_nh_init+0x3d8/0x15b0 [12937.437346][ T7704] ip6_route_info_create+0xf18/0x17d0 [12937.437346][ T7704] ip6_route_add+0x1c/0x140 [12937.437346][ T7704] addrconf_prefix_route+0x2a6/0x430 [12937.437346][ T7704] inet6_addr_add+0x4f8/0xa40 [12937.437346][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12937.437346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12937.437346][ T7704] netlink_rcv_skb+0x130/0x360 [12937.437346][ T7704] netlink_unicast+0x449/0x710 [12937.437346][ T7704] netlink_sendmsg+0x723/0xbe0 [12937.437346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12937.437346][ T7704] ___sys_sendmsg+0xee/0x170 [12937.437346][ T7704] __sys_sendmsg+0xcd/0x170 [12937.437346][ T7704] do_syscall_64+0xc6/0x1e0 [12937.437346][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12937.437346][ T7704] [12937.439598][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12937.439598][ T7704] netdev_get_by_index+0x5e/0x80 [12937.439598][ T7704] fib6_nh_init+0x3d8/0x15b0 [12937.439598][ T7704] ip6_route_info_create+0xf18/0x17d0 [12937.439598][ T7704] addrconf_f6i_alloc+0x315/0x560 [12937.439598][ T7704] ipv6_add_addr+0x411/0x2000 [12937.439598][ T7704] inet6_addr_add+0x30e/0xa40 [12937.439598][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12937.439598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12937.439598][ T7704] netlink_rcv_skb+0x130/0x360 [12937.439598][ T7704] netlink_unicast+0x449/0x710 [12937.439598][ T7704] netlink_sendmsg+0x723/0xbe0 [12937.439598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12937.439598][ T7704] ___sys_sendmsg+0xee/0x170 [12937.439598][ T7704] __sys_sendmsg+0xcd/0x170 [12937.439598][ T7704] do_syscall_64+0xc6/0x1e0 [12937.439598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12937.439598][ T7704] [12937.441833][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12937.441833][ T7704] netdev_get_by_index+0x5e/0x80 [12937.441833][ T7704] fib6_nh_init+0x3d8/0x15b0 [12937.441833][ T7704] ip6_route_info_create+0xf18/0x17d0 [12937.441833][ T7704] ip6_route_add+0x1c/0x140 [12937.441833][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12937.441833][ T7704] addrconf_add_dev+0xe2/0x170 [12937.441833][ T7704] inet6_addr_add+0x12f/0xa40 [12937.441833][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12937.441833][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12937.441833][ T7704] netlink_rcv_skb+0x130/0x360 [12937.441833][ T7704] netlink_unicast+0x449/0x710 [12937.441833][ T7704] netlink_sendmsg+0x723/0xbe0 [12937.441833][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12937.441833][ T7704] ___sys_sendmsg+0xee/0x170 [12937.441833][ T7704] __sys_sendmsg+0xcd/0x170 [12937.441833][ T7704] do_syscall_64+0xc6/0x1e0 [12937.441833][ T7704] [12937.444024][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12937.444024][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12937.444024][ T7704] ipv6_find_idev+0x102/0x170 [12937.444024][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12937.444024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12937.444024][ T7704] netlink_rcv_skb+0x130/0x360 [12937.444024][ T7704] netlink_unicast+0x449/0x710 [12937.444024][ T7704] netlink_sendmsg+0x723/0xbe0 [12937.444024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12937.444024][ T7704] ___sys_sendmsg+0xee/0x170 [12937.444024][ T7704] __sys_sendmsg+0xcd/0x170 [12937.444024][ T7704] do_syscall_64+0xc6/0x1e0 [12937.444024][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12937.444024][ T7704] [12937.445745][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12937.445745][ T7704] neigh_parms_alloc+0x1e5/0x510 [12937.445745][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12937.445745][ T7704] ipv6_find_idev+0x102/0x170 [12937.445745][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12937.445745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12937.445745][ T7704] netlink_rcv_skb+0x130/0x360 [12937.445745][ T7704] netlink_unicast+0x449/0x710 [12937.445745][ T7704] netlink_sendmsg+0x723/0xbe0 [12937.445745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12937.445745][ T7704] ___sys_sendmsg+0xee/0x170 [12937.445745][ T7704] __sys_sendmsg+0xcd/0x170 [12937.445745][ T7704] do_syscall_64+0xc6/0x1e0 [12937.445745][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12937.445745][ T7704] [12947.684824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12947.685402][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12947.685402][ T7704] netdev_get_by_index+0x5e/0x80 [12947.685402][ T7704] fib6_nh_init+0x3d8/0x15b0 [12947.685402][ T7704] ip6_route_info_create+0xf18/0x17d0 [12947.685402][ T7704] ip6_route_add+0x1c/0x140 [12947.685402][ T7704] addrconf_prefix_route+0x2a6/0x430 [12947.685402][ T7704] inet6_addr_add+0x4f8/0xa40 [12947.685402][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12947.685402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12947.685402][ T7704] netlink_rcv_skb+0x130/0x360 [12947.685402][ T7704] netlink_unicast+0x449/0x710 [12947.685402][ T7704] netlink_sendmsg+0x723/0xbe0 [12947.685402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12947.685402][ T7704] ___sys_sendmsg+0xee/0x170 [12947.685402][ T7704] __sys_sendmsg+0xcd/0x170 [12947.685402][ T7704] do_syscall_64+0xc6/0x1e0 [12947.685402][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12947.685402][ T7704] [12947.687945][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12947.687945][ T7704] netdev_get_by_index+0x5e/0x80 [12947.687945][ T7704] fib6_nh_init+0x3d8/0x15b0 [12947.687945][ T7704] ip6_route_info_create+0xf18/0x17d0 [12947.687945][ T7704] addrconf_f6i_alloc+0x315/0x560 [12947.687945][ T7704] ipv6_add_addr+0x411/0x2000 [12947.687945][ T7704] inet6_addr_add+0x30e/0xa40 [12947.687945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12947.687945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12947.687945][ T7704] netlink_rcv_skb+0x130/0x360 [12947.687945][ T7704] netlink_unicast+0x449/0x710 [12947.687945][ T7704] netlink_sendmsg+0x723/0xbe0 [12947.687945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12947.687945][ T7704] ___sys_sendmsg+0xee/0x170 [12947.687945][ T7704] __sys_sendmsg+0xcd/0x170 [12947.687945][ T7704] do_syscall_64+0xc6/0x1e0 [12947.687945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12947.687945][ T7704] [12947.690451][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12947.690451][ T7704] netdev_get_by_index+0x5e/0x80 [12947.690451][ T7704] fib6_nh_init+0x3d8/0x15b0 [12947.690451][ T7704] ip6_route_info_create+0xf18/0x17d0 [12947.690451][ T7704] ip6_route_add+0x1c/0x140 [12947.690451][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12947.690451][ T7704] addrconf_add_dev+0xe2/0x170 [12947.690451][ T7704] inet6_addr_add+0x12f/0xa40 [12947.690451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12947.690451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12947.690451][ T7704] netlink_rcv_skb+0x130/0x360 [12947.690451][ T7704] netlink_unicast+0x449/0x710 [12947.690451][ T7704] netlink_sendmsg+0x723/0xbe0 [12947.690451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12947.690451][ T7704] ___sys_sendmsg+0xee/0x170 [12947.690451][ T7704] __sys_sendmsg+0xcd/0x170 [12947.690451][ T7704] do_syscall_64+0xc6/0x1e0 [12947.690451][ T7704] [12947.692915][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12947.692915][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12947.692915][ T7704] ipv6_find_idev+0x102/0x170 [12947.692915][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12947.692915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12947.692915][ T7704] netlink_rcv_skb+0x130/0x360 [12947.692915][ T7704] netlink_unicast+0x449/0x710 [12947.692915][ T7704] netlink_sendmsg+0x723/0xbe0 [12947.692915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12947.692915][ T7704] ___sys_sendmsg+0xee/0x170 [12947.692915][ T7704] __sys_sendmsg+0xcd/0x170 [12947.692915][ T7704] do_syscall_64+0xc6/0x1e0 [12947.692915][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12947.692915][ T7704] [12947.694844][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12947.694844][ T7704] neigh_parms_alloc+0x1e5/0x510 [12947.694844][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12947.694844][ T7704] ipv6_find_idev+0x102/0x170 [12947.694844][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12947.694844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12947.694844][ T7704] netlink_rcv_skb+0x130/0x360 [12947.694844][ T7704] netlink_unicast+0x449/0x710 [12947.694844][ T7704] netlink_sendmsg+0x723/0xbe0 [12947.694844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12947.694844][ T7704] ___sys_sendmsg+0xee/0x170 [12947.694844][ T7704] __sys_sendmsg+0xcd/0x170 [12947.694844][ T7704] do_syscall_64+0xc6/0x1e0 [12947.694844][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12947.694844][ T7704] [12957.932872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12957.933389][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12957.933389][ T7704] netdev_get_by_index+0x5e/0x80 [12957.933389][ T7704] fib6_nh_init+0x3d8/0x15b0 [12957.933389][ T7704] ip6_route_info_create+0xf18/0x17d0 [12957.933389][ T7704] ip6_route_add+0x1c/0x140 [12957.933389][ T7704] addrconf_prefix_route+0x2a6/0x430 [12957.933389][ T7704] inet6_addr_add+0x4f8/0xa40 [12957.933389][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12957.933389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12957.933389][ T7704] netlink_rcv_skb+0x130/0x360 [12957.933389][ T7704] netlink_unicast+0x449/0x710 [12957.933389][ T7704] netlink_sendmsg+0x723/0xbe0 [12957.933389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12957.933389][ T7704] ___sys_sendmsg+0xee/0x170 [12957.933389][ T7704] __sys_sendmsg+0xcd/0x170 [12957.933389][ T7704] do_syscall_64+0xc6/0x1e0 [12957.933389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12957.933389][ T7704] [12957.935673][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12957.935673][ T7704] netdev_get_by_index+0x5e/0x80 [12957.935673][ T7704] fib6_nh_init+0x3d8/0x15b0 [12957.935673][ T7704] ip6_route_info_create+0xf18/0x17d0 [12957.935673][ T7704] addrconf_f6i_alloc+0x315/0x560 [12957.935673][ T7704] ipv6_add_addr+0x411/0x2000 [12957.935673][ T7704] inet6_addr_add+0x30e/0xa40 [12957.935673][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12957.935673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12957.935673][ T7704] netlink_rcv_skb+0x130/0x360 [12957.935673][ T7704] netlink_unicast+0x449/0x710 [12957.935673][ T7704] netlink_sendmsg+0x723/0xbe0 [12957.935673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12957.935673][ T7704] ___sys_sendmsg+0xee/0x170 [12957.935673][ T7704] __sys_sendmsg+0xcd/0x170 [12957.935673][ T7704] do_syscall_64+0xc6/0x1e0 [12957.935673][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12957.935673][ T7704] [12957.937932][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12957.937932][ T7704] netdev_get_by_index+0x5e/0x80 [12957.937932][ T7704] fib6_nh_init+0x3d8/0x15b0 [12957.937932][ T7704] ip6_route_info_create+0xf18/0x17d0 [12957.937932][ T7704] ip6_route_add+0x1c/0x140 [12957.937932][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12957.937932][ T7704] addrconf_add_dev+0xe2/0x170 [12957.937932][ T7704] inet6_addr_add+0x12f/0xa40 [12957.937932][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12957.937932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12957.937932][ T7704] netlink_rcv_skb+0x130/0x360 [12957.937932][ T7704] netlink_unicast+0x449/0x710 [12957.937932][ T7704] netlink_sendmsg+0x723/0xbe0 [12957.937932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12957.937932][ T7704] ___sys_sendmsg+0xee/0x170 [12957.937932][ T7704] __sys_sendmsg+0xcd/0x170 [12957.937932][ T7704] do_syscall_64+0xc6/0x1e0 [12957.937932][ T7704] [12957.940147][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12957.940147][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12957.940147][ T7704] ipv6_find_idev+0x102/0x170 [12957.940147][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12957.940147][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12957.940147][ T7704] netlink_rcv_skb+0x130/0x360 [12957.940147][ T7704] netlink_unicast+0x449/0x710 [12957.940147][ T7704] netlink_sendmsg+0x723/0xbe0 [12957.940147][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12957.940147][ T7704] ___sys_sendmsg+0xee/0x170 [12957.940147][ T7704] __sys_sendmsg+0xcd/0x170 [12957.940147][ T7704] do_syscall_64+0xc6/0x1e0 [12957.940147][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12957.940147][ T7704] [12957.941900][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12957.941900][ T7704] neigh_parms_alloc+0x1e5/0x510 [12957.941900][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12957.941900][ T7704] ipv6_find_idev+0x102/0x170 [12957.941900][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12957.941900][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12957.941900][ T7704] netlink_rcv_skb+0x130/0x360 [12957.941900][ T7704] netlink_unicast+0x449/0x710 [12957.941900][ T7704] netlink_sendmsg+0x723/0xbe0 [12957.941900][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12957.941900][ T7704] ___sys_sendmsg+0xee/0x170 [12957.941900][ T7704] __sys_sendmsg+0xcd/0x170 [12957.941900][ T7704] do_syscall_64+0xc6/0x1e0 [12957.941900][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12957.941900][ T7704] [12968.180784][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12968.181261][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12968.181261][ T7704] netdev_get_by_index+0x5e/0x80 [12968.181261][ T7704] fib6_nh_init+0x3d8/0x15b0 [12968.181261][ T7704] ip6_route_info_create+0xf18/0x17d0 [12968.181261][ T7704] ip6_route_add+0x1c/0x140 [12968.181261][ T7704] addrconf_prefix_route+0x2a6/0x430 [12968.181261][ T7704] inet6_addr_add+0x4f8/0xa40 [12968.181261][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12968.181261][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12968.181261][ T7704] netlink_rcv_skb+0x130/0x360 [12968.181261][ T7704] netlink_unicast+0x449/0x710 [12968.181261][ T7704] netlink_sendmsg+0x723/0xbe0 [12968.181261][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12968.181261][ T7704] ___sys_sendmsg+0xee/0x170 [12968.181261][ T7704] __sys_sendmsg+0xcd/0x170 [12968.181261][ T7704] do_syscall_64+0xc6/0x1e0 [12968.181261][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12968.181261][ T7704] [12968.183751][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12968.183751][ T7704] netdev_get_by_index+0x5e/0x80 [12968.183751][ T7704] fib6_nh_init+0x3d8/0x15b0 [12968.183751][ T7704] ip6_route_info_create+0xf18/0x17d0 [12968.183751][ T7704] addrconf_f6i_alloc+0x315/0x560 [12968.183751][ T7704] ipv6_add_addr+0x411/0x2000 [12968.183751][ T7704] inet6_addr_add+0x30e/0xa40 [12968.183751][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12968.183751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12968.183751][ T7704] netlink_rcv_skb+0x130/0x360 [12968.183751][ T7704] netlink_unicast+0x449/0x710 [12968.183751][ T7704] netlink_sendmsg+0x723/0xbe0 [12968.183751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12968.183751][ T7704] ___sys_sendmsg+0xee/0x170 [12968.183751][ T7704] __sys_sendmsg+0xcd/0x170 [12968.183751][ T7704] do_syscall_64+0xc6/0x1e0 [12968.183751][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12968.183751][ T7704] [12968.186198][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12968.186198][ T7704] netdev_get_by_index+0x5e/0x80 [12968.186198][ T7704] fib6_nh_init+0x3d8/0x15b0 [12968.186198][ T7704] ip6_route_info_create+0xf18/0x17d0 [12968.186198][ T7704] ip6_route_add+0x1c/0x140 [12968.186198][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12968.186198][ T7704] addrconf_add_dev+0xe2/0x170 [12968.186198][ T7704] inet6_addr_add+0x12f/0xa40 [12968.186198][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12968.186198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12968.186198][ T7704] netlink_rcv_skb+0x130/0x360 [12968.186198][ T7704] netlink_unicast+0x449/0x710 [12968.186198][ T7704] netlink_sendmsg+0x723/0xbe0 [12968.186198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12968.186198][ T7704] ___sys_sendmsg+0xee/0x170 [12968.186198][ T7704] __sys_sendmsg+0xcd/0x170 [12968.186198][ T7704] do_syscall_64+0xc6/0x1e0 [12968.186198][ T7704] [12968.188639][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12968.188639][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12968.188639][ T7704] ipv6_find_idev+0x102/0x170 [12968.188639][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12968.188639][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12968.188639][ T7704] netlink_rcv_skb+0x130/0x360 [12968.188639][ T7704] netlink_unicast+0x449/0x710 [12968.188639][ T7704] netlink_sendmsg+0x723/0xbe0 [12968.188639][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12968.188639][ T7704] ___sys_sendmsg+0xee/0x170 [12968.188639][ T7704] __sys_sendmsg+0xcd/0x170 [12968.188639][ T7704] do_syscall_64+0xc6/0x1e0 [12968.188639][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12968.188639][ T7704] [12968.190534][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12968.190534][ T7704] neigh_parms_alloc+0x1e5/0x510 [12968.190534][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12968.190534][ T7704] ipv6_find_idev+0x102/0x170 [12968.190534][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12968.190534][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12968.190534][ T7704] netlink_rcv_skb+0x130/0x360 [12968.190534][ T7704] netlink_unicast+0x449/0x710 [12968.190534][ T7704] netlink_sendmsg+0x723/0xbe0 [12968.190534][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12968.190534][ T7704] ___sys_sendmsg+0xee/0x170 [12968.190534][ T7704] __sys_sendmsg+0xcd/0x170 [12968.190534][ T7704] do_syscall_64+0xc6/0x1e0 [12968.190534][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12968.190534][ T7704] [12978.428852][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12978.429370][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12978.429370][ T7704] netdev_get_by_index+0x5e/0x80 [12978.429370][ T7704] fib6_nh_init+0x3d8/0x15b0 [12978.429370][ T7704] ip6_route_info_create+0xf18/0x17d0 [12978.429370][ T7704] ip6_route_add+0x1c/0x140 [12978.429370][ T7704] addrconf_prefix_route+0x2a6/0x430 [12978.429370][ T7704] inet6_addr_add+0x4f8/0xa40 [12978.429370][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12978.429370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12978.429370][ T7704] netlink_rcv_skb+0x130/0x360 [12978.429370][ T7704] netlink_unicast+0x449/0x710 [12978.429370][ T7704] netlink_sendmsg+0x723/0xbe0 [12978.429370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12978.429370][ T7704] ___sys_sendmsg+0xee/0x170 [12978.429370][ T7704] __sys_sendmsg+0xcd/0x170 [12978.429370][ T7704] do_syscall_64+0xc6/0x1e0 [12978.429370][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12978.429370][ T7704] [12978.431644][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12978.431644][ T7704] netdev_get_by_index+0x5e/0x80 [12978.431644][ T7704] fib6_nh_init+0x3d8/0x15b0 [12978.431644][ T7704] ip6_route_info_create+0xf18/0x17d0 [12978.431644][ T7704] addrconf_f6i_alloc+0x315/0x560 [12978.431644][ T7704] ipv6_add_addr+0x411/0x2000 [12978.431644][ T7704] inet6_addr_add+0x30e/0xa40 [12978.431644][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12978.431644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12978.431644][ T7704] netlink_rcv_skb+0x130/0x360 [12978.431644][ T7704] netlink_unicast+0x449/0x710 [12978.431644][ T7704] netlink_sendmsg+0x723/0xbe0 [12978.431644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12978.431644][ T7704] ___sys_sendmsg+0xee/0x170 [12978.431644][ T7704] __sys_sendmsg+0xcd/0x170 [12978.431644][ T7704] do_syscall_64+0xc6/0x1e0 [12978.431644][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12978.431644][ T7704] [12978.433869][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12978.433869][ T7704] netdev_get_by_index+0x5e/0x80 [12978.433869][ T7704] fib6_nh_init+0x3d8/0x15b0 [12978.433869][ T7704] ip6_route_info_create+0xf18/0x17d0 [12978.433869][ T7704] ip6_route_add+0x1c/0x140 [12978.433869][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12978.433869][ T7704] addrconf_add_dev+0xe2/0x170 [12978.433869][ T7704] inet6_addr_add+0x12f/0xa40 [12978.433869][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12978.433869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12978.433869][ T7704] netlink_rcv_skb+0x130/0x360 [12978.433869][ T7704] netlink_unicast+0x449/0x710 [12978.433869][ T7704] netlink_sendmsg+0x723/0xbe0 [12978.433869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12978.433869][ T7704] ___sys_sendmsg+0xee/0x170 [12978.433869][ T7704] __sys_sendmsg+0xcd/0x170 [12978.433869][ T7704] do_syscall_64+0xc6/0x1e0 [12978.433869][ T7704] [12978.436035][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12978.436035][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12978.436035][ T7704] ipv6_find_idev+0x102/0x170 [12978.436035][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12978.436035][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12978.436035][ T7704] netlink_rcv_skb+0x130/0x360 [12978.436035][ T7704] netlink_unicast+0x449/0x710 [12978.436035][ T7704] netlink_sendmsg+0x723/0xbe0 [12978.436035][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12978.436035][ T7704] ___sys_sendmsg+0xee/0x170 [12978.436035][ T7704] __sys_sendmsg+0xcd/0x170 [12978.436035][ T7704] do_syscall_64+0xc6/0x1e0 [12978.436035][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12978.436035][ T7704] [12978.437735][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12978.437735][ T7704] neigh_parms_alloc+0x1e5/0x510 [12978.437735][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12978.437735][ T7704] ipv6_find_idev+0x102/0x170 [12978.437735][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12978.437735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12978.437735][ T7704] netlink_rcv_skb+0x130/0x360 [12978.437735][ T7704] netlink_unicast+0x449/0x710 [12978.437735][ T7704] netlink_sendmsg+0x723/0xbe0 [12978.437735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12978.437735][ T7704] ___sys_sendmsg+0xee/0x170 [12978.437735][ T7704] __sys_sendmsg+0xcd/0x170 [12978.437735][ T7704] do_syscall_64+0xc6/0x1e0 [12978.437735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12978.437735][ T7704] [12988.676875][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12988.677412][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12988.677412][ T7704] netdev_get_by_index+0x5e/0x80 [12988.677412][ T7704] fib6_nh_init+0x3d8/0x15b0 [12988.677412][ T7704] ip6_route_info_create+0xf18/0x17d0 [12988.677412][ T7704] ip6_route_add+0x1c/0x140 [12988.677412][ T7704] addrconf_prefix_route+0x2a6/0x430 [12988.677412][ T7704] inet6_addr_add+0x4f8/0xa40 [12988.677412][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12988.677412][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12988.677412][ T7704] netlink_rcv_skb+0x130/0x360 [12988.677412][ T7704] netlink_unicast+0x449/0x710 [12988.677412][ T7704] netlink_sendmsg+0x723/0xbe0 [12988.677412][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12988.677412][ T7704] ___sys_sendmsg+0xee/0x170 [12988.677412][ T7704] __sys_sendmsg+0xcd/0x170 [12988.677412][ T7704] do_syscall_64+0xc6/0x1e0 [12988.677412][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12988.677412][ T7704] [12988.679648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12988.679648][ T7704] netdev_get_by_index+0x5e/0x80 [12988.679648][ T7704] fib6_nh_init+0x3d8/0x15b0 [12988.679648][ T7704] ip6_route_info_create+0xf18/0x17d0 [12988.679648][ T7704] addrconf_f6i_alloc+0x315/0x560 [12988.679648][ T7704] ipv6_add_addr+0x411/0x2000 [12988.679648][ T7704] inet6_addr_add+0x30e/0xa40 [12988.679648][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12988.679648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12988.679648][ T7704] netlink_rcv_skb+0x130/0x360 [12988.679648][ T7704] netlink_unicast+0x449/0x710 [12988.679648][ T7704] netlink_sendmsg+0x723/0xbe0 [12988.679648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12988.679648][ T7704] ___sys_sendmsg+0xee/0x170 [12988.679648][ T7704] __sys_sendmsg+0xcd/0x170 [12988.679648][ T7704] do_syscall_64+0xc6/0x1e0 [12988.679648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12988.679648][ T7704] [12988.681870][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12988.681870][ T7704] netdev_get_by_index+0x5e/0x80 [12988.681870][ T7704] fib6_nh_init+0x3d8/0x15b0 [12988.681870][ T7704] ip6_route_info_create+0xf18/0x17d0 [12988.681870][ T7704] ip6_route_add+0x1c/0x140 [12988.681870][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12988.681870][ T7704] addrconf_add_dev+0xe2/0x170 [12988.681870][ T7704] inet6_addr_add+0x12f/0xa40 [12988.681870][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12988.681870][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12988.681870][ T7704] netlink_rcv_skb+0x130/0x360 [12988.681870][ T7704] netlink_unicast+0x449/0x710 [12988.681870][ T7704] netlink_sendmsg+0x723/0xbe0 [12988.681870][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12988.681870][ T7704] ___sys_sendmsg+0xee/0x170 [12988.681870][ T7704] __sys_sendmsg+0xcd/0x170 [12988.681870][ T7704] do_syscall_64+0xc6/0x1e0 [12988.681870][ T7704] [12988.684058][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12988.684058][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12988.684058][ T7704] ipv6_find_idev+0x102/0x170 [12988.684058][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12988.684058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12988.684058][ T7704] netlink_rcv_skb+0x130/0x360 [12988.684058][ T7704] netlink_unicast+0x449/0x710 [12988.684058][ T7704] netlink_sendmsg+0x723/0xbe0 [12988.684058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12988.684058][ T7704] ___sys_sendmsg+0xee/0x170 [12988.684058][ T7704] __sys_sendmsg+0xcd/0x170 [12988.684058][ T7704] do_syscall_64+0xc6/0x1e0 [12988.684058][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12988.684058][ T7704] [12988.685765][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12988.685765][ T7704] neigh_parms_alloc+0x1e5/0x510 [12988.685765][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12988.685765][ T7704] ipv6_find_idev+0x102/0x170 [12988.685765][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12988.685765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12988.685765][ T7704] netlink_rcv_skb+0x130/0x360 [12988.685765][ T7704] netlink_unicast+0x449/0x710 [12988.685765][ T7704] netlink_sendmsg+0x723/0xbe0 [12988.685765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12988.685765][ T7704] ___sys_sendmsg+0xee/0x170 [12988.685765][ T7704] __sys_sendmsg+0xcd/0x170 [12988.685765][ T7704] do_syscall_64+0xc6/0x1e0 [12988.685765][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12988.685765][ T7704] [12998.924893][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [12998.925424][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12998.925424][ T7704] netdev_get_by_index+0x5e/0x80 [12998.925424][ T7704] fib6_nh_init+0x3d8/0x15b0 [12998.925424][ T7704] ip6_route_info_create+0xf18/0x17d0 [12998.925424][ T7704] ip6_route_add+0x1c/0x140 [12998.925424][ T7704] addrconf_prefix_route+0x2a6/0x430 [12998.925424][ T7704] inet6_addr_add+0x4f8/0xa40 [12998.925424][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12998.925424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12998.925424][ T7704] netlink_rcv_skb+0x130/0x360 [12998.925424][ T7704] netlink_unicast+0x449/0x710 [12998.925424][ T7704] netlink_sendmsg+0x723/0xbe0 [12998.925424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12998.925424][ T7704] ___sys_sendmsg+0xee/0x170 [12998.925424][ T7704] __sys_sendmsg+0xcd/0x170 [12998.925424][ T7704] do_syscall_64+0xc6/0x1e0 [12998.925424][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12998.925424][ T7704] [12998.927671][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12998.927671][ T7704] netdev_get_by_index+0x5e/0x80 [12998.927671][ T7704] fib6_nh_init+0x3d8/0x15b0 [12998.927671][ T7704] ip6_route_info_create+0xf18/0x17d0 [12998.927671][ T7704] addrconf_f6i_alloc+0x315/0x560 [12998.927671][ T7704] ipv6_add_addr+0x411/0x2000 [12998.927671][ T7704] inet6_addr_add+0x30e/0xa40 [12998.927671][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12998.927671][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12998.927671][ T7704] netlink_rcv_skb+0x130/0x360 [12998.927671][ T7704] netlink_unicast+0x449/0x710 [12998.927671][ T7704] netlink_sendmsg+0x723/0xbe0 [12998.927671][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12998.927671][ T7704] ___sys_sendmsg+0xee/0x170 [12998.927671][ T7704] __sys_sendmsg+0xcd/0x170 [12998.927671][ T7704] do_syscall_64+0xc6/0x1e0 [12998.927671][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12998.927671][ T7704] [12998.929888][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12998.929888][ T7704] netdev_get_by_index+0x5e/0x80 [12998.929888][ T7704] fib6_nh_init+0x3d8/0x15b0 [12998.929888][ T7704] ip6_route_info_create+0xf18/0x17d0 [12998.929888][ T7704] ip6_route_add+0x1c/0x140 [12998.929888][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [12998.929888][ T7704] addrconf_add_dev+0xe2/0x170 [12998.929888][ T7704] inet6_addr_add+0x12f/0xa40 [12998.929888][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [12998.929888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12998.929888][ T7704] netlink_rcv_skb+0x130/0x360 [12998.929888][ T7704] netlink_unicast+0x449/0x710 [12998.929888][ T7704] netlink_sendmsg+0x723/0xbe0 [12998.929888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12998.929888][ T7704] ___sys_sendmsg+0xee/0x170 [12998.929888][ T7704] __sys_sendmsg+0xcd/0x170 [12998.929888][ T7704] do_syscall_64+0xc6/0x1e0 [12998.929888][ T7704] [12998.932077][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12998.932077][ T7704] ipv6_add_dev+0x3b9/0x11c0 [12998.932077][ T7704] ipv6_find_idev+0x102/0x170 [12998.932077][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12998.932077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12998.932077][ T7704] netlink_rcv_skb+0x130/0x360 [12998.932077][ T7704] netlink_unicast+0x449/0x710 [12998.932077][ T7704] netlink_sendmsg+0x723/0xbe0 [12998.932077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12998.932077][ T7704] ___sys_sendmsg+0xee/0x170 [12998.932077][ T7704] __sys_sendmsg+0xcd/0x170 [12998.932077][ T7704] do_syscall_64+0xc6/0x1e0 [12998.932077][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12998.932077][ T7704] [12998.933776][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [12998.933776][ T7704] neigh_parms_alloc+0x1e5/0x510 [12998.933776][ T7704] ipv6_add_dev+0x2fd/0x11c0 [12998.933776][ T7704] ipv6_find_idev+0x102/0x170 [12998.933776][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [12998.933776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [12998.933776][ T7704] netlink_rcv_skb+0x130/0x360 [12998.933776][ T7704] netlink_unicast+0x449/0x710 [12998.933776][ T7704] netlink_sendmsg+0x723/0xbe0 [12998.933776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [12998.933776][ T7704] ___sys_sendmsg+0xee/0x170 [12998.933776][ T7704] __sys_sendmsg+0xcd/0x170 [12998.933776][ T7704] do_syscall_64+0xc6/0x1e0 [12998.933776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [12998.933776][ T7704] [13009.164824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13009.165302][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13009.165302][ T7704] netdev_get_by_index+0x5e/0x80 [13009.165302][ T7704] fib6_nh_init+0x3d8/0x15b0 [13009.165302][ T7704] ip6_route_info_create+0xf18/0x17d0 [13009.165302][ T7704] ip6_route_add+0x1c/0x140 [13009.165302][ T7704] addrconf_prefix_route+0x2a6/0x430 [13009.165302][ T7704] inet6_addr_add+0x4f8/0xa40 [13009.165302][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13009.165302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13009.165302][ T7704] netlink_rcv_skb+0x130/0x360 [13009.165302][ T7704] netlink_unicast+0x449/0x710 [13009.165302][ T7704] netlink_sendmsg+0x723/0xbe0 [13009.165302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13009.165302][ T7704] ___sys_sendmsg+0xee/0x170 [13009.165302][ T7704] __sys_sendmsg+0xcd/0x170 [13009.165302][ T7704] do_syscall_64+0xc6/0x1e0 [13009.165302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13009.165302][ T7704] [13009.167640][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13009.167640][ T7704] netdev_get_by_index+0x5e/0x80 [13009.167640][ T7704] fib6_nh_init+0x3d8/0x15b0 [13009.167640][ T7704] ip6_route_info_create+0xf18/0x17d0 [13009.167640][ T7704] addrconf_f6i_alloc+0x315/0x560 [13009.167640][ T7704] ipv6_add_addr+0x411/0x2000 [13009.167640][ T7704] inet6_addr_add+0x30e/0xa40 [13009.167640][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13009.167640][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13009.167640][ T7704] netlink_rcv_skb+0x130/0x360 [13009.167640][ T7704] netlink_unicast+0x449/0x710 [13009.167640][ T7704] netlink_sendmsg+0x723/0xbe0 [13009.167640][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13009.167640][ T7704] ___sys_sendmsg+0xee/0x170 [13009.167640][ T7704] __sys_sendmsg+0xcd/0x170 [13009.167640][ T7704] do_syscall_64+0xc6/0x1e0 [13009.167640][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13009.167640][ T7704] [13009.169877][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13009.169877][ T7704] netdev_get_by_index+0x5e/0x80 [13009.169877][ T7704] fib6_nh_init+0x3d8/0x15b0 [13009.169877][ T7704] ip6_route_info_create+0xf18/0x17d0 [13009.169877][ T7704] ip6_route_add+0x1c/0x140 [13009.169877][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13009.169877][ T7704] addrconf_add_dev+0xe2/0x170 [13009.169877][ T7704] inet6_addr_add+0x12f/0xa40 [13009.169877][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13009.169877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13009.169877][ T7704] netlink_rcv_skb+0x130/0x360 [13009.169877][ T7704] netlink_unicast+0x449/0x710 [13009.169877][ T7704] netlink_sendmsg+0x723/0xbe0 [13009.169877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13009.169877][ T7704] ___sys_sendmsg+0xee/0x170 [13009.169877][ T7704] __sys_sendmsg+0xcd/0x170 [13009.169877][ T7704] do_syscall_64+0xc6/0x1e0 [13009.169877][ T7704] [13009.172229][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13009.172229][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13009.172229][ T7704] ipv6_find_idev+0x102/0x170 [13009.172229][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13009.172229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13009.172229][ T7704] netlink_rcv_skb+0x130/0x360 [13009.172229][ T7704] netlink_unicast+0x449/0x710 [13009.172229][ T7704] netlink_sendmsg+0x723/0xbe0 [13009.172229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13009.172229][ T7704] ___sys_sendmsg+0xee/0x170 [13009.172229][ T7704] __sys_sendmsg+0xcd/0x170 [13009.172229][ T7704] do_syscall_64+0xc6/0x1e0 [13009.172229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13009.172229][ T7704] [13009.173990][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13009.173990][ T7704] neigh_parms_alloc+0x1e5/0x510 [13009.173990][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13009.173990][ T7704] ipv6_find_idev+0x102/0x170 [13009.173990][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13009.173990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13009.173990][ T7704] netlink_rcv_skb+0x130/0x360 [13009.173990][ T7704] netlink_unicast+0x449/0x710 [13009.173990][ T7704] netlink_sendmsg+0x723/0xbe0 [13009.173990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13009.173990][ T7704] ___sys_sendmsg+0xee/0x170 [13009.173990][ T7704] __sys_sendmsg+0xcd/0x170 [13009.173990][ T7704] do_syscall_64+0xc6/0x1e0 [13009.173990][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13009.173990][ T7704] [13019.188884][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13019.189435][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13019.189435][ T7704] netdev_get_by_index+0x5e/0x80 [13019.189435][ T7704] fib6_nh_init+0x3d8/0x15b0 [13019.189435][ T7704] ip6_route_info_create+0xf18/0x17d0 [13019.189435][ T7704] ip6_route_add+0x1c/0x140 [13019.189435][ T7704] addrconf_prefix_route+0x2a6/0x430 [13019.189435][ T7704] inet6_addr_add+0x4f8/0xa40 [13019.189435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13019.189435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13019.189435][ T7704] netlink_rcv_skb+0x130/0x360 [13019.189435][ T7704] netlink_unicast+0x449/0x710 [13019.189435][ T7704] netlink_sendmsg+0x723/0xbe0 [13019.189435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13019.189435][ T7704] ___sys_sendmsg+0xee/0x170 [13019.189435][ T7704] __sys_sendmsg+0xcd/0x170 [13019.189435][ T7704] do_syscall_64+0xc6/0x1e0 [13019.189435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13019.189435][ T7704] [13019.191747][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13019.191747][ T7704] netdev_get_by_index+0x5e/0x80 [13019.191747][ T7704] fib6_nh_init+0x3d8/0x15b0 [13019.191747][ T7704] ip6_route_info_create+0xf18/0x17d0 [13019.191747][ T7704] addrconf_f6i_alloc+0x315/0x560 [13019.191747][ T7704] ipv6_add_addr+0x411/0x2000 [13019.191747][ T7704] inet6_addr_add+0x30e/0xa40 [13019.191747][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13019.191747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13019.191747][ T7704] netlink_rcv_skb+0x130/0x360 [13019.191747][ T7704] netlink_unicast+0x449/0x710 [13019.191747][ T7704] netlink_sendmsg+0x723/0xbe0 [13019.191747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13019.191747][ T7704] ___sys_sendmsg+0xee/0x170 [13019.191747][ T7704] __sys_sendmsg+0xcd/0x170 [13019.191747][ T7704] do_syscall_64+0xc6/0x1e0 [13019.191747][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13019.191747][ T7704] [13019.194003][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13019.194003][ T7704] netdev_get_by_index+0x5e/0x80 [13019.194003][ T7704] fib6_nh_init+0x3d8/0x15b0 [13019.194003][ T7704] ip6_route_info_create+0xf18/0x17d0 [13019.194003][ T7704] ip6_route_add+0x1c/0x140 [13019.194003][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13019.194003][ T7704] addrconf_add_dev+0xe2/0x170 [13019.194003][ T7704] inet6_addr_add+0x12f/0xa40 [13019.194003][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13019.194003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13019.194003][ T7704] netlink_rcv_skb+0x130/0x360 [13019.194003][ T7704] netlink_unicast+0x449/0x710 [13019.194003][ T7704] netlink_sendmsg+0x723/0xbe0 [13019.194003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13019.194003][ T7704] ___sys_sendmsg+0xee/0x170 [13019.194003][ T7704] __sys_sendmsg+0xcd/0x170 [13019.194003][ T7704] do_syscall_64+0xc6/0x1e0 [13019.194003][ T7704] [13019.196201][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13019.196201][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13019.196201][ T7704] ipv6_find_idev+0x102/0x170 [13019.196201][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13019.196201][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13019.196201][ T7704] netlink_rcv_skb+0x130/0x360 [13019.196201][ T7704] netlink_unicast+0x449/0x710 [13019.196201][ T7704] netlink_sendmsg+0x723/0xbe0 [13019.196201][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13019.196201][ T7704] ___sys_sendmsg+0xee/0x170 [13019.196201][ T7704] __sys_sendmsg+0xcd/0x170 [13019.196201][ T7704] do_syscall_64+0xc6/0x1e0 [13019.196201][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13019.196201][ T7704] [13019.197923][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13019.197923][ T7704] neigh_parms_alloc+0x1e5/0x510 [13019.197923][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13019.197923][ T7704] ipv6_find_idev+0x102/0x170 [13019.197923][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13019.197923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13019.197923][ T7704] netlink_rcv_skb+0x130/0x360 [13019.197923][ T7704] netlink_unicast+0x449/0x710 [13019.197923][ T7704] netlink_sendmsg+0x723/0xbe0 [13019.197923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13019.197923][ T7704] ___sys_sendmsg+0xee/0x170 [13019.197923][ T7704] __sys_sendmsg+0xcd/0x170 [13019.197923][ T7704] do_syscall_64+0xc6/0x1e0 [13019.197923][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13019.197923][ T7704] [13029.436801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13029.437369][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13029.437369][ T7704] netdev_get_by_index+0x5e/0x80 [13029.437369][ T7704] fib6_nh_init+0x3d8/0x15b0 [13029.437369][ T7704] ip6_route_info_create+0xf18/0x17d0 [13029.437369][ T7704] ip6_route_add+0x1c/0x140 [13029.437369][ T7704] addrconf_prefix_route+0x2a6/0x430 [13029.437369][ T7704] inet6_addr_add+0x4f8/0xa40 [13029.437369][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13029.437369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13029.437369][ T7704] netlink_rcv_skb+0x130/0x360 [13029.437369][ T7704] netlink_unicast+0x449/0x710 [13029.437369][ T7704] netlink_sendmsg+0x723/0xbe0 [13029.437369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13029.437369][ T7704] ___sys_sendmsg+0xee/0x170 [13029.437369][ T7704] __sys_sendmsg+0xcd/0x170 [13029.437369][ T7704] do_syscall_64+0xc6/0x1e0 [13029.437369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13029.437369][ T7704] [13029.439643][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13029.439643][ T7704] netdev_get_by_index+0x5e/0x80 [13029.439643][ T7704] fib6_nh_init+0x3d8/0x15b0 [13029.439643][ T7704] ip6_route_info_create+0xf18/0x17d0 [13029.439643][ T7704] addrconf_f6i_alloc+0x315/0x560 [13029.439643][ T7704] ipv6_add_addr+0x411/0x2000 [13029.439643][ T7704] inet6_addr_add+0x30e/0xa40 [13029.439643][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13029.439643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13029.439643][ T7704] netlink_rcv_skb+0x130/0x360 [13029.439643][ T7704] netlink_unicast+0x449/0x710 [13029.439643][ T7704] netlink_sendmsg+0x723/0xbe0 [13029.439643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13029.439643][ T7704] ___sys_sendmsg+0xee/0x170 [13029.439643][ T7704] __sys_sendmsg+0xcd/0x170 [13029.439643][ T7704] do_syscall_64+0xc6/0x1e0 [13029.439643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13029.439643][ T7704] [13029.441899][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13029.441899][ T7704] netdev_get_by_index+0x5e/0x80 [13029.441899][ T7704] fib6_nh_init+0x3d8/0x15b0 [13029.441899][ T7704] ip6_route_info_create+0xf18/0x17d0 [13029.441899][ T7704] ip6_route_add+0x1c/0x140 [13029.441899][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13029.441899][ T7704] addrconf_add_dev+0xe2/0x170 [13029.441899][ T7704] inet6_addr_add+0x12f/0xa40 [13029.441899][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13029.441899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13029.441899][ T7704] netlink_rcv_skb+0x130/0x360 [13029.441899][ T7704] netlink_unicast+0x449/0x710 [13029.441899][ T7704] netlink_sendmsg+0x723/0xbe0 [13029.441899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13029.441899][ T7704] ___sys_sendmsg+0xee/0x170 [13029.441899][ T7704] __sys_sendmsg+0xcd/0x170 [13029.441899][ T7704] do_syscall_64+0xc6/0x1e0 [13029.441899][ T7704] [13029.444105][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13029.444105][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13029.444105][ T7704] ipv6_find_idev+0x102/0x170 [13029.444105][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13029.444105][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13029.444105][ T7704] netlink_rcv_skb+0x130/0x360 [13029.444105][ T7704] netlink_unicast+0x449/0x710 [13029.444105][ T7704] netlink_sendmsg+0x723/0xbe0 [13029.444105][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13029.444105][ T7704] ___sys_sendmsg+0xee/0x170 [13029.444105][ T7704] __sys_sendmsg+0xcd/0x170 [13029.444105][ T7704] do_syscall_64+0xc6/0x1e0 [13029.444105][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13029.444105][ T7704] [13029.445832][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13029.445832][ T7704] neigh_parms_alloc+0x1e5/0x510 [13029.445832][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13029.445832][ T7704] ipv6_find_idev+0x102/0x170 [13029.445832][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13029.445832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13029.445832][ T7704] netlink_rcv_skb+0x130/0x360 [13029.445832][ T7704] netlink_unicast+0x449/0x710 [13029.445832][ T7704] netlink_sendmsg+0x723/0xbe0 [13029.445832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13029.445832][ T7704] ___sys_sendmsg+0xee/0x170 [13029.445832][ T7704] __sys_sendmsg+0xcd/0x170 [13029.445832][ T7704] do_syscall_64+0xc6/0x1e0 [13029.445832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13029.445832][ T7704] [13039.684826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13039.685365][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13039.685365][ T7704] netdev_get_by_index+0x5e/0x80 [13039.685365][ T7704] fib6_nh_init+0x3d8/0x15b0 [13039.685365][ T7704] ip6_route_info_create+0xf18/0x17d0 [13039.685365][ T7704] ip6_route_add+0x1c/0x140 [13039.685365][ T7704] addrconf_prefix_route+0x2a6/0x430 [13039.685365][ T7704] inet6_addr_add+0x4f8/0xa40 [13039.685365][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13039.685365][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13039.685365][ T7704] netlink_rcv_skb+0x130/0x360 [13039.685365][ T7704] netlink_unicast+0x449/0x710 [13039.685365][ T7704] netlink_sendmsg+0x723/0xbe0 [13039.685365][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13039.685365][ T7704] ___sys_sendmsg+0xee/0x170 [13039.685365][ T7704] __sys_sendmsg+0xcd/0x170 [13039.685365][ T7704] do_syscall_64+0xc6/0x1e0 [13039.685365][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13039.685365][ T7704] [13039.687664][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13039.687664][ T7704] netdev_get_by_index+0x5e/0x80 [13039.687664][ T7704] fib6_nh_init+0x3d8/0x15b0 [13039.687664][ T7704] ip6_route_info_create+0xf18/0x17d0 [13039.687664][ T7704] addrconf_f6i_alloc+0x315/0x560 [13039.687664][ T7704] ipv6_add_addr+0x411/0x2000 [13039.687664][ T7704] inet6_addr_add+0x30e/0xa40 [13039.687664][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13039.687664][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13039.687664][ T7704] netlink_rcv_skb+0x130/0x360 [13039.687664][ T7704] netlink_unicast+0x449/0x710 [13039.687664][ T7704] netlink_sendmsg+0x723/0xbe0 [13039.687664][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13039.687664][ T7704] ___sys_sendmsg+0xee/0x170 [13039.687664][ T7704] __sys_sendmsg+0xcd/0x170 [13039.687664][ T7704] do_syscall_64+0xc6/0x1e0 [13039.687664][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13039.687664][ T7704] [13039.689920][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13039.689920][ T7704] netdev_get_by_index+0x5e/0x80 [13039.689920][ T7704] fib6_nh_init+0x3d8/0x15b0 [13039.689920][ T7704] ip6_route_info_create+0xf18/0x17d0 [13039.689920][ T7704] ip6_route_add+0x1c/0x140 [13039.689920][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13039.689920][ T7704] addrconf_add_dev+0xe2/0x170 [13039.689920][ T7704] inet6_addr_add+0x12f/0xa40 [13039.689920][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13039.689920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13039.689920][ T7704] netlink_rcv_skb+0x130/0x360 [13039.689920][ T7704] netlink_unicast+0x449/0x710 [13039.689920][ T7704] netlink_sendmsg+0x723/0xbe0 [13039.689920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13039.689920][ T7704] ___sys_sendmsg+0xee/0x170 [13039.689920][ T7704] __sys_sendmsg+0xcd/0x170 [13039.689920][ T7704] do_syscall_64+0xc6/0x1e0 [13039.689920][ T7704] [13039.692131][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13039.692131][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13039.692131][ T7704] ipv6_find_idev+0x102/0x170 [13039.692131][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13039.692131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13039.692131][ T7704] netlink_rcv_skb+0x130/0x360 [13039.692131][ T7704] netlink_unicast+0x449/0x710 [13039.692131][ T7704] netlink_sendmsg+0x723/0xbe0 [13039.692131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13039.692131][ T7704] ___sys_sendmsg+0xee/0x170 [13039.692131][ T7704] __sys_sendmsg+0xcd/0x170 [13039.692131][ T7704] do_syscall_64+0xc6/0x1e0 [13039.692131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13039.692131][ T7704] [13039.693859][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13039.693859][ T7704] neigh_parms_alloc+0x1e5/0x510 [13039.693859][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13039.693859][ T7704] ipv6_find_idev+0x102/0x170 [13039.693859][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13039.693859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13039.693859][ T7704] netlink_rcv_skb+0x130/0x360 [13039.693859][ T7704] netlink_unicast+0x449/0x710 [13039.693859][ T7704] netlink_sendmsg+0x723/0xbe0 [13039.693859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13039.693859][ T7704] ___sys_sendmsg+0xee/0x170 [13039.693859][ T7704] __sys_sendmsg+0xcd/0x170 [13039.693859][ T7704] do_syscall_64+0xc6/0x1e0 [13039.693859][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13039.693859][ T7704] [13049.868851][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13049.869388][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13049.869388][ T7704] netdev_get_by_index+0x5e/0x80 [13049.869388][ T7704] fib6_nh_init+0x3d8/0x15b0 [13049.869388][ T7704] ip6_route_info_create+0xf18/0x17d0 [13049.869388][ T7704] ip6_route_add+0x1c/0x140 [13049.869388][ T7704] addrconf_prefix_route+0x2a6/0x430 [13049.869388][ T7704] inet6_addr_add+0x4f8/0xa40 [13049.869388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13049.869388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13049.869388][ T7704] netlink_rcv_skb+0x130/0x360 [13049.869388][ T7704] netlink_unicast+0x449/0x710 [13049.869388][ T7704] netlink_sendmsg+0x723/0xbe0 [13049.869388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13049.869388][ T7704] ___sys_sendmsg+0xee/0x170 [13049.869388][ T7704] __sys_sendmsg+0xcd/0x170 [13049.869388][ T7704] do_syscall_64+0xc6/0x1e0 [13049.869388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13049.869388][ T7704] [13049.871643][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13049.871643][ T7704] netdev_get_by_index+0x5e/0x80 [13049.871643][ T7704] fib6_nh_init+0x3d8/0x15b0 [13049.871643][ T7704] ip6_route_info_create+0xf18/0x17d0 [13049.871643][ T7704] addrconf_f6i_alloc+0x315/0x560 [13049.871643][ T7704] ipv6_add_addr+0x411/0x2000 [13049.871643][ T7704] inet6_addr_add+0x30e/0xa40 [13049.871643][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13049.871643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13049.871643][ T7704] netlink_rcv_skb+0x130/0x360 [13049.871643][ T7704] netlink_unicast+0x449/0x710 [13049.871643][ T7704] netlink_sendmsg+0x723/0xbe0 [13049.871643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13049.871643][ T7704] ___sys_sendmsg+0xee/0x170 [13049.871643][ T7704] __sys_sendmsg+0xcd/0x170 [13049.871643][ T7704] do_syscall_64+0xc6/0x1e0 [13049.871643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13049.871643][ T7704] [13049.873860][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13049.873860][ T7704] netdev_get_by_index+0x5e/0x80 [13049.873860][ T7704] fib6_nh_init+0x3d8/0x15b0 [13049.873860][ T7704] ip6_route_info_create+0xf18/0x17d0 [13049.873860][ T7704] ip6_route_add+0x1c/0x140 [13049.873860][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13049.873860][ T7704] addrconf_add_dev+0xe2/0x170 [13049.873860][ T7704] inet6_addr_add+0x12f/0xa40 [13049.873860][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13049.873860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13049.873860][ T7704] netlink_rcv_skb+0x130/0x360 [13049.873860][ T7704] netlink_unicast+0x449/0x710 [13049.873860][ T7704] netlink_sendmsg+0x723/0xbe0 [13049.873860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13049.873860][ T7704] ___sys_sendmsg+0xee/0x170 [13049.873860][ T7704] __sys_sendmsg+0xcd/0x170 [13049.873860][ T7704] do_syscall_64+0xc6/0x1e0 [13049.873860][ T7704] [13049.876034][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13049.876034][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13049.876034][ T7704] ipv6_find_idev+0x102/0x170 [13049.876034][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13049.876034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13049.876034][ T7704] netlink_rcv_skb+0x130/0x360 [13049.876034][ T7704] netlink_unicast+0x449/0x710 [13049.876034][ T7704] netlink_sendmsg+0x723/0xbe0 [13049.876034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13049.876034][ T7704] ___sys_sendmsg+0xee/0x170 [13049.876034][ T7704] __sys_sendmsg+0xcd/0x170 [13049.876034][ T7704] do_syscall_64+0xc6/0x1e0 [13049.876034][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13049.876034][ T7704] [13049.877724][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13049.877724][ T7704] neigh_parms_alloc+0x1e5/0x510 [13049.877724][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13049.877724][ T7704] ipv6_find_idev+0x102/0x170 [13049.877724][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13049.877724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13049.877724][ T7704] netlink_rcv_skb+0x130/0x360 [13049.877724][ T7704] netlink_unicast+0x449/0x710 [13049.877724][ T7704] netlink_sendmsg+0x723/0xbe0 [13049.877724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13049.877724][ T7704] ___sys_sendmsg+0xee/0x170 [13049.877724][ T7704] __sys_sendmsg+0xcd/0x170 [13049.877724][ T7704] do_syscall_64+0xc6/0x1e0 [13049.877724][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13049.877724][ T7704] [13060.333788][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13060.334313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13060.334313][ T7704] netdev_get_by_index+0x5e/0x80 [13060.334313][ T7704] fib6_nh_init+0x3d8/0x15b0 [13060.334313][ T7704] ip6_route_info_create+0xf18/0x17d0 [13060.334313][ T7704] ip6_route_add+0x1c/0x140 [13060.334313][ T7704] addrconf_prefix_route+0x2a6/0x430 [13060.334313][ T7704] inet6_addr_add+0x4f8/0xa40 [13060.334313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13060.334313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13060.334313][ T7704] netlink_rcv_skb+0x130/0x360 [13060.334313][ T7704] netlink_unicast+0x449/0x710 [13060.334313][ T7704] netlink_sendmsg+0x723/0xbe0 [13060.334313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13060.334313][ T7704] ___sys_sendmsg+0xee/0x170 [13060.334313][ T7704] __sys_sendmsg+0xcd/0x170 [13060.334313][ T7704] do_syscall_64+0xc6/0x1e0 [13060.334313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13060.334313][ T7704] [13060.336576][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13060.336576][ T7704] netdev_get_by_index+0x5e/0x80 [13060.336576][ T7704] fib6_nh_init+0x3d8/0x15b0 [13060.336576][ T7704] ip6_route_info_create+0xf18/0x17d0 [13060.336576][ T7704] addrconf_f6i_alloc+0x315/0x560 [13060.336576][ T7704] ipv6_add_addr+0x411/0x2000 [13060.336576][ T7704] inet6_addr_add+0x30e/0xa40 [13060.336576][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13060.336576][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13060.336576][ T7704] netlink_rcv_skb+0x130/0x360 [13060.336576][ T7704] netlink_unicast+0x449/0x710 [13060.336576][ T7704] netlink_sendmsg+0x723/0xbe0 [13060.336576][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13060.336576][ T7704] ___sys_sendmsg+0xee/0x170 [13060.336576][ T7704] __sys_sendmsg+0xcd/0x170 [13060.336576][ T7704] do_syscall_64+0xc6/0x1e0 [13060.336576][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13060.336576][ T7704] [13060.338798][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13060.338798][ T7704] netdev_get_by_index+0x5e/0x80 [13060.338798][ T7704] fib6_nh_init+0x3d8/0x15b0 [13060.338798][ T7704] ip6_route_info_create+0xf18/0x17d0 [13060.338798][ T7704] ip6_route_add+0x1c/0x140 [13060.338798][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13060.338798][ T7704] addrconf_add_dev+0xe2/0x170 [13060.338798][ T7704] inet6_addr_add+0x12f/0xa40 [13060.338798][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13060.338798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13060.338798][ T7704] netlink_rcv_skb+0x130/0x360 [13060.338798][ T7704] netlink_unicast+0x449/0x710 [13060.338798][ T7704] netlink_sendmsg+0x723/0xbe0 [13060.338798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13060.338798][ T7704] ___sys_sendmsg+0xee/0x170 [13060.338798][ T7704] __sys_sendmsg+0xcd/0x170 [13060.338798][ T7704] do_syscall_64+0xc6/0x1e0 [13060.338798][ T7704] [13060.341534][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13060.341534][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13060.341534][ T7704] ipv6_find_idev+0x102/0x170 [13060.341534][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13060.341534][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13060.341534][ T7704] netlink_rcv_skb+0x130/0x360 [13060.341534][ T7704] netlink_unicast+0x449/0x710 [13060.341534][ T7704] netlink_sendmsg+0x723/0xbe0 [13060.341534][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13060.341534][ T7704] ___sys_sendmsg+0xee/0x170 [13060.341534][ T7704] __sys_sendmsg+0xcd/0x170 [13060.341534][ T7704] do_syscall_64+0xc6/0x1e0 [13060.341534][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13060.341534][ T7704] [13060.343269][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13060.343269][ T7704] neigh_parms_alloc+0x1e5/0x510 [13060.343269][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13060.343269][ T7704] ipv6_find_idev+0x102/0x170 [13060.343269][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13060.343269][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13060.343269][ T7704] netlink_rcv_skb+0x130/0x360 [13060.343269][ T7704] netlink_unicast+0x449/0x710 [13060.343269][ T7704] netlink_sendmsg+0x723/0xbe0 [13060.343269][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13060.343269][ T7704] ___sys_sendmsg+0xee/0x170 [13060.343269][ T7704] __sys_sendmsg+0xcd/0x170 [13060.343269][ T7704] do_syscall_64+0xc6/0x1e0 [13060.343269][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13060.343269][ T7704] [13070.476767][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13070.477290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13070.477290][ T7704] netdev_get_by_index+0x5e/0x80 [13070.477290][ T7704] fib6_nh_init+0x3d8/0x15b0 [13070.477290][ T7704] ip6_route_info_create+0xf18/0x17d0 [13070.477290][ T7704] ip6_route_add+0x1c/0x140 [13070.477290][ T7704] addrconf_prefix_route+0x2a6/0x430 [13070.477290][ T7704] inet6_addr_add+0x4f8/0xa40 [13070.477290][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13070.477290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13070.477290][ T7704] netlink_rcv_skb+0x130/0x360 [13070.477290][ T7704] netlink_unicast+0x449/0x710 [13070.477290][ T7704] netlink_sendmsg+0x723/0xbe0 [13070.477290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13070.477290][ T7704] ___sys_sendmsg+0xee/0x170 [13070.477290][ T7704] __sys_sendmsg+0xcd/0x170 [13070.477290][ T7704] do_syscall_64+0xc6/0x1e0 [13070.477290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13070.477290][ T7704] [13070.479544][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13070.479544][ T7704] netdev_get_by_index+0x5e/0x80 [13070.479544][ T7704] fib6_nh_init+0x3d8/0x15b0 [13070.479544][ T7704] ip6_route_info_create+0xf18/0x17d0 [13070.479544][ T7704] addrconf_f6i_alloc+0x315/0x560 [13070.479544][ T7704] ipv6_add_addr+0x411/0x2000 [13070.479544][ T7704] inet6_addr_add+0x30e/0xa40 [13070.479544][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13070.479544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13070.479544][ T7704] netlink_rcv_skb+0x130/0x360 [13070.479544][ T7704] netlink_unicast+0x449/0x710 [13070.479544][ T7704] netlink_sendmsg+0x723/0xbe0 [13070.479544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13070.479544][ T7704] ___sys_sendmsg+0xee/0x170 [13070.479544][ T7704] __sys_sendmsg+0xcd/0x170 [13070.479544][ T7704] do_syscall_64+0xc6/0x1e0 [13070.479544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13070.479544][ T7704] [13070.481788][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13070.481788][ T7704] netdev_get_by_index+0x5e/0x80 [13070.481788][ T7704] fib6_nh_init+0x3d8/0x15b0 [13070.481788][ T7704] ip6_route_info_create+0xf18/0x17d0 [13070.481788][ T7704] ip6_route_add+0x1c/0x140 [13070.481788][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13070.481788][ T7704] addrconf_add_dev+0xe2/0x170 [13070.481788][ T7704] inet6_addr_add+0x12f/0xa40 [13070.481788][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13070.481788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13070.481788][ T7704] netlink_rcv_skb+0x130/0x360 [13070.481788][ T7704] netlink_unicast+0x449/0x710 [13070.481788][ T7704] netlink_sendmsg+0x723/0xbe0 [13070.481788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13070.481788][ T7704] ___sys_sendmsg+0xee/0x170 [13070.481788][ T7704] __sys_sendmsg+0xcd/0x170 [13070.481788][ T7704] do_syscall_64+0xc6/0x1e0 [13070.481788][ T7704] [13070.484131][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13070.484131][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13070.484131][ T7704] ipv6_find_idev+0x102/0x170 [13070.484131][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13070.484131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13070.484131][ T7704] netlink_rcv_skb+0x130/0x360 [13070.484131][ T7704] netlink_unicast+0x449/0x710 [13070.484131][ T7704] netlink_sendmsg+0x723/0xbe0 [13070.484131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13070.484131][ T7704] ___sys_sendmsg+0xee/0x170 [13070.484131][ T7704] __sys_sendmsg+0xcd/0x170 [13070.484131][ T7704] do_syscall_64+0xc6/0x1e0 [13070.484131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13070.484131][ T7704] [13070.485861][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13070.485861][ T7704] neigh_parms_alloc+0x1e5/0x510 [13070.485861][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13070.485861][ T7704] ipv6_find_idev+0x102/0x170 [13070.485861][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13070.485861][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13070.485861][ T7704] netlink_rcv_skb+0x130/0x360 [13070.485861][ T7704] netlink_unicast+0x449/0x710 [13070.485861][ T7704] netlink_sendmsg+0x723/0xbe0 [13070.485861][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13070.485861][ T7704] ___sys_sendmsg+0xee/0x170 [13070.485861][ T7704] __sys_sendmsg+0xcd/0x170 [13070.485861][ T7704] do_syscall_64+0xc6/0x1e0 [13070.485861][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13070.485861][ T7704] [13080.740840][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13080.741359][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13080.741359][ T7704] netdev_get_by_index+0x5e/0x80 [13080.741359][ T7704] fib6_nh_init+0x3d8/0x15b0 [13080.741359][ T7704] ip6_route_info_create+0xf18/0x17d0 [13080.741359][ T7704] ip6_route_add+0x1c/0x140 [13080.741359][ T7704] addrconf_prefix_route+0x2a6/0x430 [13080.741359][ T7704] inet6_addr_add+0x4f8/0xa40 [13080.741359][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13080.741359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13080.741359][ T7704] netlink_rcv_skb+0x130/0x360 [13080.741359][ T7704] netlink_unicast+0x449/0x710 [13080.741359][ T7704] netlink_sendmsg+0x723/0xbe0 [13080.741359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13080.741359][ T7704] ___sys_sendmsg+0xee/0x170 [13080.741359][ T7704] __sys_sendmsg+0xcd/0x170 [13080.741359][ T7704] do_syscall_64+0xc6/0x1e0 [13080.741359][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13080.741359][ T7704] [13080.743594][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13080.743594][ T7704] netdev_get_by_index+0x5e/0x80 [13080.743594][ T7704] fib6_nh_init+0x3d8/0x15b0 [13080.743594][ T7704] ip6_route_info_create+0xf18/0x17d0 [13080.743594][ T7704] addrconf_f6i_alloc+0x315/0x560 [13080.743594][ T7704] ipv6_add_addr+0x411/0x2000 [13080.743594][ T7704] inet6_addr_add+0x30e/0xa40 [13080.743594][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13080.743594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13080.743594][ T7704] netlink_rcv_skb+0x130/0x360 [13080.743594][ T7704] netlink_unicast+0x449/0x710 [13080.743594][ T7704] netlink_sendmsg+0x723/0xbe0 [13080.743594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13080.743594][ T7704] ___sys_sendmsg+0xee/0x170 [13080.743594][ T7704] __sys_sendmsg+0xcd/0x170 [13080.743594][ T7704] do_syscall_64+0xc6/0x1e0 [13080.743594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13080.743594][ T7704] [13080.745823][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13080.745823][ T7704] netdev_get_by_index+0x5e/0x80 [13080.745823][ T7704] fib6_nh_init+0x3d8/0x15b0 [13080.745823][ T7704] ip6_route_info_create+0xf18/0x17d0 [13080.745823][ T7704] ip6_route_add+0x1c/0x140 [13080.745823][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13080.745823][ T7704] addrconf_add_dev+0xe2/0x170 [13080.745823][ T7704] inet6_addr_add+0x12f/0xa40 [13080.745823][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13080.745823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13080.745823][ T7704] netlink_rcv_skb+0x130/0x360 [13080.745823][ T7704] netlink_unicast+0x449/0x710 [13080.745823][ T7704] netlink_sendmsg+0x723/0xbe0 [13080.745823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13080.745823][ T7704] ___sys_sendmsg+0xee/0x170 [13080.745823][ T7704] __sys_sendmsg+0xcd/0x170 [13080.745823][ T7704] do_syscall_64+0xc6/0x1e0 [13080.745823][ T7704] [13080.747987][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13080.747987][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13080.747987][ T7704] ipv6_find_idev+0x102/0x170 [13080.747987][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13080.747987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13080.747987][ T7704] netlink_rcv_skb+0x130/0x360 [13080.747987][ T7704] netlink_unicast+0x449/0x710 [13080.747987][ T7704] netlink_sendmsg+0x723/0xbe0 [13080.747987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13080.747987][ T7704] ___sys_sendmsg+0xee/0x170 [13080.747987][ T7704] __sys_sendmsg+0xcd/0x170 [13080.747987][ T7704] do_syscall_64+0xc6/0x1e0 [13080.747987][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13080.747987][ T7704] [13080.749682][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13080.749682][ T7704] neigh_parms_alloc+0x1e5/0x510 [13080.749682][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13080.749682][ T7704] ipv6_find_idev+0x102/0x170 [13080.749682][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13080.749682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13080.749682][ T7704] netlink_rcv_skb+0x130/0x360 [13080.749682][ T7704] netlink_unicast+0x449/0x710 [13080.749682][ T7704] netlink_sendmsg+0x723/0xbe0 [13080.749682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13080.749682][ T7704] ___sys_sendmsg+0xee/0x170 [13080.749682][ T7704] __sys_sendmsg+0xcd/0x170 [13080.749682][ T7704] do_syscall_64+0xc6/0x1e0 [13080.749682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13080.749682][ T7704] [13090.996807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13090.997289][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13090.997289][ T7704] netdev_get_by_index+0x5e/0x80 [13090.997289][ T7704] fib6_nh_init+0x3d8/0x15b0 [13090.997289][ T7704] ip6_route_info_create+0xf18/0x17d0 [13090.997289][ T7704] ip6_route_add+0x1c/0x140 [13090.997289][ T7704] addrconf_prefix_route+0x2a6/0x430 [13090.997289][ T7704] inet6_addr_add+0x4f8/0xa40 [13090.997289][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13090.997289][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13090.997289][ T7704] netlink_rcv_skb+0x130/0x360 [13090.997289][ T7704] netlink_unicast+0x449/0x710 [13090.997289][ T7704] netlink_sendmsg+0x723/0xbe0 [13090.997289][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13090.997289][ T7704] ___sys_sendmsg+0xee/0x170 [13090.997289][ T7704] __sys_sendmsg+0xcd/0x170 [13090.997289][ T7704] do_syscall_64+0xc6/0x1e0 [13090.997289][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13090.997289][ T7704] [13090.999520][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13090.999520][ T7704] netdev_get_by_index+0x5e/0x80 [13090.999520][ T7704] fib6_nh_init+0x3d8/0x15b0 [13090.999520][ T7704] ip6_route_info_create+0xf18/0x17d0 [13090.999520][ T7704] addrconf_f6i_alloc+0x315/0x560 [13090.999520][ T7704] ipv6_add_addr+0x411/0x2000 [13090.999520][ T7704] inet6_addr_add+0x30e/0xa40 [13090.999520][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13090.999520][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13090.999520][ T7704] netlink_rcv_skb+0x130/0x360 [13090.999520][ T7704] netlink_unicast+0x449/0x710 [13090.999520][ T7704] netlink_sendmsg+0x723/0xbe0 [13090.999520][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13090.999520][ T7704] ___sys_sendmsg+0xee/0x170 [13090.999520][ T7704] __sys_sendmsg+0xcd/0x170 [13090.999520][ T7704] do_syscall_64+0xc6/0x1e0 [13090.999520][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13090.999520][ T7704] [13091.002282][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13091.002282][ T7704] netdev_get_by_index+0x5e/0x80 [13091.002282][ T7704] fib6_nh_init+0x3d8/0x15b0 [13091.002282][ T7704] ip6_route_info_create+0xf18/0x17d0 [13091.002282][ T7704] ip6_route_add+0x1c/0x140 [13091.002282][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13091.002282][ T7704] addrconf_add_dev+0xe2/0x170 [13091.002282][ T7704] inet6_addr_add+0x12f/0xa40 [13091.002282][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13091.002282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13091.002282][ T7704] netlink_rcv_skb+0x130/0x360 [13091.002282][ T7704] netlink_unicast+0x449/0x710 [13091.002282][ T7704] netlink_sendmsg+0x723/0xbe0 [13091.002282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13091.002282][ T7704] ___sys_sendmsg+0xee/0x170 [13091.002282][ T7704] __sys_sendmsg+0xcd/0x170 [13091.002282][ T7704] do_syscall_64+0xc6/0x1e0 [13091.002282][ T7704] [13091.004455][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13091.004455][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13091.004455][ T7704] ipv6_find_idev+0x102/0x170 [13091.004455][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13091.004455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13091.004455][ T7704] netlink_rcv_skb+0x130/0x360 [13091.004455][ T7704] netlink_unicast+0x449/0x710 [13091.004455][ T7704] netlink_sendmsg+0x723/0xbe0 [13091.004455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13091.004455][ T7704] ___sys_sendmsg+0xee/0x170 [13091.004455][ T7704] __sys_sendmsg+0xcd/0x170 [13091.004455][ T7704] do_syscall_64+0xc6/0x1e0 [13091.004455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13091.004455][ T7704] [13091.006175][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13091.006175][ T7704] neigh_parms_alloc+0x1e5/0x510 [13091.006175][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13091.006175][ T7704] ipv6_find_idev+0x102/0x170 [13091.006175][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13091.006175][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13091.006175][ T7704] netlink_rcv_skb+0x130/0x360 [13091.006175][ T7704] netlink_unicast+0x449/0x710 [13091.006175][ T7704] netlink_sendmsg+0x723/0xbe0 [13091.006175][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13091.006175][ T7704] ___sys_sendmsg+0xee/0x170 [13091.006175][ T7704] __sys_sendmsg+0xcd/0x170 [13091.006175][ T7704] do_syscall_64+0xc6/0x1e0 [13091.006175][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13091.006175][ T7704] [13101.260833][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13101.261503][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13101.261503][ T7704] netdev_get_by_index+0x5e/0x80 [13101.261503][ T7704] fib6_nh_init+0x3d8/0x15b0 [13101.261503][ T7704] ip6_route_info_create+0xf18/0x17d0 [13101.261503][ T7704] ip6_route_add+0x1c/0x140 [13101.261503][ T7704] addrconf_prefix_route+0x2a6/0x430 [13101.261503][ T7704] inet6_addr_add+0x4f8/0xa40 [13101.261503][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13101.261503][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13101.261503][ T7704] netlink_rcv_skb+0x130/0x360 [13101.261503][ T7704] netlink_unicast+0x449/0x710 [13101.261503][ T7704] netlink_sendmsg+0x723/0xbe0 [13101.261503][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13101.261503][ T7704] ___sys_sendmsg+0xee/0x170 [13101.261503][ T7704] __sys_sendmsg+0xcd/0x170 [13101.261503][ T7704] do_syscall_64+0xc6/0x1e0 [13101.261503][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13101.261503][ T7704] [13101.265244][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13101.265244][ T7704] netdev_get_by_index+0x5e/0x80 [13101.265244][ T7704] fib6_nh_init+0x3d8/0x15b0 [13101.265244][ T7704] ip6_route_info_create+0xf18/0x17d0 [13101.265244][ T7704] addrconf_f6i_alloc+0x315/0x560 [13101.265244][ T7704] ipv6_add_addr+0x411/0x2000 [13101.265244][ T7704] inet6_addr_add+0x30e/0xa40 [13101.265244][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13101.265244][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13101.265244][ T7704] netlink_rcv_skb+0x130/0x360 [13101.265244][ T7704] netlink_unicast+0x449/0x710 [13101.265244][ T7704] netlink_sendmsg+0x723/0xbe0 [13101.265244][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13101.265244][ T7704] ___sys_sendmsg+0xee/0x170 [13101.265244][ T7704] __sys_sendmsg+0xcd/0x170 [13101.265244][ T7704] do_syscall_64+0xc6/0x1e0 [13101.265244][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13101.265244][ T7704] [13101.269004][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13101.269004][ T7704] netdev_get_by_index+0x5e/0x80 [13101.269004][ T7704] fib6_nh_init+0x3d8/0x15b0 [13101.269004][ T7704] ip6_route_info_create+0xf18/0x17d0 [13101.269004][ T7704] ip6_route_add+0x1c/0x140 [13101.269004][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13101.269004][ T7704] addrconf_add_dev+0xe2/0x170 [13101.269004][ T7704] inet6_addr_add+0x12f/0xa40 [13101.269004][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13101.269004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13101.269004][ T7704] netlink_rcv_skb+0x130/0x360 [13101.269004][ T7704] netlink_unicast+0x449/0x710 [13101.269004][ T7704] netlink_sendmsg+0x723/0xbe0 [13101.269004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13101.269004][ T7704] ___sys_sendmsg+0xee/0x170 [13101.269004][ T7704] __sys_sendmsg+0xcd/0x170 [13101.269004][ T7704] do_syscall_64+0xc6/0x1e0 [13101.269004][ T7704] [13101.272518][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13101.272518][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13101.272518][ T7704] ipv6_find_idev+0x102/0x170 [13101.272518][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13101.272518][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13101.272518][ T7704] netlink_rcv_skb+0x130/0x360 [13101.272518][ T7704] netlink_unicast+0x449/0x710 [13101.272518][ T7704] netlink_sendmsg+0x723/0xbe0 [13101.272518][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13101.272518][ T7704] ___sys_sendmsg+0xee/0x170 [13101.272518][ T7704] __sys_sendmsg+0xcd/0x170 [13101.272518][ T7704] do_syscall_64+0xc6/0x1e0 [13101.272518][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13101.272518][ T7704] [13101.275255][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13101.275255][ T7704] neigh_parms_alloc+0x1e5/0x510 [13101.275255][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13101.275255][ T7704] ipv6_find_idev+0x102/0x170 [13101.275255][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13101.275255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13101.275255][ T7704] netlink_rcv_skb+0x130/0x360 [13101.275255][ T7704] netlink_unicast+0x449/0x710 [13101.275255][ T7704] netlink_sendmsg+0x723/0xbe0 [13101.275255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13101.275255][ T7704] ___sys_sendmsg+0xee/0x170 [13101.275255][ T7704] __sys_sendmsg+0xcd/0x170 [13101.275255][ T7704] do_syscall_64+0xc6/0x1e0 [13101.275255][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13101.275255][ T7704] [13111.532874][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13111.533520][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13111.533520][ T7704] netdev_get_by_index+0x5e/0x80 [13111.533520][ T7704] fib6_nh_init+0x3d8/0x15b0 [13111.533520][ T7704] ip6_route_info_create+0xf18/0x17d0 [13111.533520][ T7704] ip6_route_add+0x1c/0x140 [13111.533520][ T7704] addrconf_prefix_route+0x2a6/0x430 [13111.533520][ T7704] inet6_addr_add+0x4f8/0xa40 [13111.533520][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13111.533520][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13111.533520][ T7704] netlink_rcv_skb+0x130/0x360 [13111.533520][ T7704] netlink_unicast+0x449/0x710 [13111.533520][ T7704] netlink_sendmsg+0x723/0xbe0 [13111.533520][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13111.533520][ T7704] ___sys_sendmsg+0xee/0x170 [13111.533520][ T7704] __sys_sendmsg+0xcd/0x170 [13111.533520][ T7704] do_syscall_64+0xc6/0x1e0 [13111.533520][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13111.533520][ T7704] [13111.535790][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13111.535790][ T7704] netdev_get_by_index+0x5e/0x80 [13111.535790][ T7704] fib6_nh_init+0x3d8/0x15b0 [13111.535790][ T7704] ip6_route_info_create+0xf18/0x17d0 [13111.535790][ T7704] addrconf_f6i_alloc+0x315/0x560 [13111.535790][ T7704] ipv6_add_addr+0x411/0x2000 [13111.535790][ T7704] inet6_addr_add+0x30e/0xa40 [13111.535790][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13111.535790][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13111.535790][ T7704] netlink_rcv_skb+0x130/0x360 [13111.535790][ T7704] netlink_unicast+0x449/0x710 [13111.535790][ T7704] netlink_sendmsg+0x723/0xbe0 [13111.535790][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13111.535790][ T7704] ___sys_sendmsg+0xee/0x170 [13111.535790][ T7704] __sys_sendmsg+0xcd/0x170 [13111.535790][ T7704] do_syscall_64+0xc6/0x1e0 [13111.535790][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13111.535790][ T7704] [13111.537976][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13111.537976][ T7704] netdev_get_by_index+0x5e/0x80 [13111.537976][ T7704] fib6_nh_init+0x3d8/0x15b0 [13111.537976][ T7704] ip6_route_info_create+0xf18/0x17d0 [13111.537976][ T7704] ip6_route_add+0x1c/0x140 [13111.537976][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13111.537976][ T7704] addrconf_add_dev+0xe2/0x170 [13111.537976][ T7704] inet6_addr_add+0x12f/0xa40 [13111.537976][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13111.537976][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13111.537976][ T7704] netlink_rcv_skb+0x130/0x360 [13111.537976][ T7704] netlink_unicast+0x449/0x710 [13111.537976][ T7704] netlink_sendmsg+0x723/0xbe0 [13111.537976][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13111.537976][ T7704] ___sys_sendmsg+0xee/0x170 [13111.537976][ T7704] __sys_sendmsg+0xcd/0x170 [13111.537976][ T7704] do_syscall_64+0xc6/0x1e0 [13111.537976][ T7704] [13111.540171][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13111.540171][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13111.540171][ T7704] ipv6_find_idev+0x102/0x170 [13111.540171][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13111.540171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13111.540171][ T7704] netlink_rcv_skb+0x130/0x360 [13111.540171][ T7704] netlink_unicast+0x449/0x710 [13111.540171][ T7704] netlink_sendmsg+0x723/0xbe0 [13111.540171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13111.540171][ T7704] ___sys_sendmsg+0xee/0x170 [13111.540171][ T7704] __sys_sendmsg+0xcd/0x170 [13111.540171][ T7704] do_syscall_64+0xc6/0x1e0 [13111.540171][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13111.540171][ T7704] [13111.541892][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13111.541892][ T7704] neigh_parms_alloc+0x1e5/0x510 [13111.541892][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13111.541892][ T7704] ipv6_find_idev+0x102/0x170 [13111.541892][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13111.541892][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13111.541892][ T7704] netlink_rcv_skb+0x130/0x360 [13111.541892][ T7704] netlink_unicast+0x449/0x710 [13111.541892][ T7704] netlink_sendmsg+0x723/0xbe0 [13111.541892][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13111.541892][ T7704] ___sys_sendmsg+0xee/0x170 [13111.541892][ T7704] __sys_sendmsg+0xcd/0x170 [13111.541892][ T7704] do_syscall_64+0xc6/0x1e0 [13111.541892][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13111.541892][ T7704] [13121.796883][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13121.797477][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13121.797477][ T7704] netdev_get_by_index+0x5e/0x80 [13121.797477][ T7704] fib6_nh_init+0x3d8/0x15b0 [13121.797477][ T7704] ip6_route_info_create+0xf18/0x17d0 [13121.797477][ T7704] ip6_route_add+0x1c/0x140 [13121.797477][ T7704] addrconf_prefix_route+0x2a6/0x430 [13121.797477][ T7704] inet6_addr_add+0x4f8/0xa40 [13121.797477][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13121.797477][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13121.797477][ T7704] netlink_rcv_skb+0x130/0x360 [13121.797477][ T7704] netlink_unicast+0x449/0x710 [13121.797477][ T7704] netlink_sendmsg+0x723/0xbe0 [13121.797477][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13121.797477][ T7704] ___sys_sendmsg+0xee/0x170 [13121.797477][ T7704] __sys_sendmsg+0xcd/0x170 [13121.797477][ T7704] do_syscall_64+0xc6/0x1e0 [13121.797477][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13121.797477][ T7704] [13121.799761][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13121.799761][ T7704] netdev_get_by_index+0x5e/0x80 [13121.799761][ T7704] fib6_nh_init+0x3d8/0x15b0 [13121.799761][ T7704] ip6_route_info_create+0xf18/0x17d0 [13121.799761][ T7704] addrconf_f6i_alloc+0x315/0x560 [13121.799761][ T7704] ipv6_add_addr+0x411/0x2000 [13121.799761][ T7704] inet6_addr_add+0x30e/0xa40 [13121.799761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13121.799761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13121.799761][ T7704] netlink_rcv_skb+0x130/0x360 [13121.799761][ T7704] netlink_unicast+0x449/0x710 [13121.799761][ T7704] netlink_sendmsg+0x723/0xbe0 [13121.799761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13121.799761][ T7704] ___sys_sendmsg+0xee/0x170 [13121.799761][ T7704] __sys_sendmsg+0xcd/0x170 [13121.799761][ T7704] do_syscall_64+0xc6/0x1e0 [13121.799761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13121.799761][ T7704] [13121.802049][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13121.802049][ T7704] netdev_get_by_index+0x5e/0x80 [13121.802049][ T7704] fib6_nh_init+0x3d8/0x15b0 [13121.802049][ T7704] ip6_route_info_create+0xf18/0x17d0 [13121.802049][ T7704] ip6_route_add+0x1c/0x140 [13121.802049][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13121.802049][ T7704] addrconf_add_dev+0xe2/0x170 [13121.802049][ T7704] inet6_addr_add+0x12f/0xa40 [13121.802049][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13121.802049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13121.802049][ T7704] netlink_rcv_skb+0x130/0x360 [13121.802049][ T7704] netlink_unicast+0x449/0x710 [13121.802049][ T7704] netlink_sendmsg+0x723/0xbe0 [13121.802049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13121.802049][ T7704] ___sys_sendmsg+0xee/0x170 [13121.802049][ T7704] __sys_sendmsg+0xcd/0x170 [13121.802049][ T7704] do_syscall_64+0xc6/0x1e0 [13121.802049][ T7704] [13121.804255][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13121.804255][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13121.804255][ T7704] ipv6_find_idev+0x102/0x170 [13121.804255][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13121.804255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13121.804255][ T7704] netlink_rcv_skb+0x130/0x360 [13121.804255][ T7704] netlink_unicast+0x449/0x710 [13121.804255][ T7704] netlink_sendmsg+0x723/0xbe0 [13121.804255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13121.804255][ T7704] ___sys_sendmsg+0xee/0x170 [13121.804255][ T7704] __sys_sendmsg+0xcd/0x170 [13121.804255][ T7704] do_syscall_64+0xc6/0x1e0 [13121.804255][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13121.804255][ T7704] [13121.805992][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13121.805992][ T7704] neigh_parms_alloc+0x1e5/0x510 [13121.805992][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13121.805992][ T7704] ipv6_find_idev+0x102/0x170 [13121.805992][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13121.805992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13121.805992][ T7704] netlink_rcv_skb+0x130/0x360 [13121.805992][ T7704] netlink_unicast+0x449/0x710 [13121.805992][ T7704] netlink_sendmsg+0x723/0xbe0 [13121.805992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13121.805992][ T7704] ___sys_sendmsg+0xee/0x170 [13121.805992][ T7704] __sys_sendmsg+0xcd/0x170 [13121.805992][ T7704] do_syscall_64+0xc6/0x1e0 [13121.805992][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13121.805992][ T7704] [13132.060878][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13132.061498][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13132.061498][ T7704] netdev_get_by_index+0x5e/0x80 [13132.061498][ T7704] fib6_nh_init+0x3d8/0x15b0 [13132.061498][ T7704] ip6_route_info_create+0xf18/0x17d0 [13132.061498][ T7704] ip6_route_add+0x1c/0x140 [13132.061498][ T7704] addrconf_prefix_route+0x2a6/0x430 [13132.061498][ T7704] inet6_addr_add+0x4f8/0xa40 [13132.061498][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13132.061498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13132.061498][ T7704] netlink_rcv_skb+0x130/0x360 [13132.061498][ T7704] netlink_unicast+0x449/0x710 [13132.061498][ T7704] netlink_sendmsg+0x723/0xbe0 [13132.061498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13132.061498][ T7704] ___sys_sendmsg+0xee/0x170 [13132.061498][ T7704] __sys_sendmsg+0xcd/0x170 [13132.061498][ T7704] do_syscall_64+0xc6/0x1e0 [13132.061498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13132.061498][ T7704] [13132.063780][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13132.063780][ T7704] netdev_get_by_index+0x5e/0x80 [13132.063780][ T7704] fib6_nh_init+0x3d8/0x15b0 [13132.063780][ T7704] ip6_route_info_create+0xf18/0x17d0 [13132.063780][ T7704] addrconf_f6i_alloc+0x315/0x560 [13132.063780][ T7704] ipv6_add_addr+0x411/0x2000 [13132.063780][ T7704] inet6_addr_add+0x30e/0xa40 [13132.063780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13132.063780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13132.063780][ T7704] netlink_rcv_skb+0x130/0x360 [13132.063780][ T7704] netlink_unicast+0x449/0x710 [13132.063780][ T7704] netlink_sendmsg+0x723/0xbe0 [13132.063780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13132.063780][ T7704] ___sys_sendmsg+0xee/0x170 [13132.063780][ T7704] __sys_sendmsg+0xcd/0x170 [13132.063780][ T7704] do_syscall_64+0xc6/0x1e0 [13132.063780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13132.063780][ T7704] [13132.065984][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13132.065984][ T7704] netdev_get_by_index+0x5e/0x80 [13132.065984][ T7704] fib6_nh_init+0x3d8/0x15b0 [13132.065984][ T7704] ip6_route_info_create+0xf18/0x17d0 [13132.065984][ T7704] ip6_route_add+0x1c/0x140 [13132.065984][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13132.065984][ T7704] addrconf_add_dev+0xe2/0x170 [13132.065984][ T7704] inet6_addr_add+0x12f/0xa40 [13132.065984][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13132.065984][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13132.065984][ T7704] netlink_rcv_skb+0x130/0x360 [13132.065984][ T7704] netlink_unicast+0x449/0x710 [13132.065984][ T7704] netlink_sendmsg+0x723/0xbe0 [13132.065984][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13132.065984][ T7704] ___sys_sendmsg+0xee/0x170 [13132.065984][ T7704] __sys_sendmsg+0xcd/0x170 [13132.065984][ T7704] do_syscall_64+0xc6/0x1e0 [13132.065984][ T7704] [13132.068198][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13132.068198][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13132.068198][ T7704] ipv6_find_idev+0x102/0x170 [13132.068198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13132.068198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13132.068198][ T7704] netlink_rcv_skb+0x130/0x360 [13132.068198][ T7704] netlink_unicast+0x449/0x710 [13132.068198][ T7704] netlink_sendmsg+0x723/0xbe0 [13132.068198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13132.068198][ T7704] ___sys_sendmsg+0xee/0x170 [13132.068198][ T7704] __sys_sendmsg+0xcd/0x170 [13132.068198][ T7704] do_syscall_64+0xc6/0x1e0 [13132.068198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13132.068198][ T7704] [13132.069968][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13132.069968][ T7704] neigh_parms_alloc+0x1e5/0x510 [13132.069968][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13132.069968][ T7704] ipv6_find_idev+0x102/0x170 [13132.069968][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13132.069968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13132.069968][ T7704] netlink_rcv_skb+0x130/0x360 [13132.069968][ T7704] netlink_unicast+0x449/0x710 [13132.069968][ T7704] netlink_sendmsg+0x723/0xbe0 [13132.069968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13132.069968][ T7704] ___sys_sendmsg+0xee/0x170 [13132.069968][ T7704] __sys_sendmsg+0xcd/0x170 [13132.069968][ T7704] do_syscall_64+0xc6/0x1e0 [13132.069968][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13132.069968][ T7704] [13142.212866][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13142.213424][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13142.213424][ T7704] netdev_get_by_index+0x5e/0x80 [13142.213424][ T7704] fib6_nh_init+0x3d8/0x15b0 [13142.213424][ T7704] ip6_route_info_create+0xf18/0x17d0 [13142.213424][ T7704] ip6_route_add+0x1c/0x140 [13142.213424][ T7704] addrconf_prefix_route+0x2a6/0x430 [13142.213424][ T7704] inet6_addr_add+0x4f8/0xa40 [13142.213424][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13142.213424][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13142.213424][ T7704] netlink_rcv_skb+0x130/0x360 [13142.213424][ T7704] netlink_unicast+0x449/0x710 [13142.213424][ T7704] netlink_sendmsg+0x723/0xbe0 [13142.213424][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13142.213424][ T7704] ___sys_sendmsg+0xee/0x170 [13142.213424][ T7704] __sys_sendmsg+0xcd/0x170 [13142.213424][ T7704] do_syscall_64+0xc6/0x1e0 [13142.213424][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13142.213424][ T7704] [13142.215695][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13142.215695][ T7704] netdev_get_by_index+0x5e/0x80 [13142.215695][ T7704] fib6_nh_init+0x3d8/0x15b0 [13142.215695][ T7704] ip6_route_info_create+0xf18/0x17d0 [13142.215695][ T7704] addrconf_f6i_alloc+0x315/0x560 [13142.215695][ T7704] ipv6_add_addr+0x411/0x2000 [13142.215695][ T7704] inet6_addr_add+0x30e/0xa40 [13142.215695][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13142.215695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13142.215695][ T7704] netlink_rcv_skb+0x130/0x360 [13142.215695][ T7704] netlink_unicast+0x449/0x710 [13142.215695][ T7704] netlink_sendmsg+0x723/0xbe0 [13142.215695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13142.215695][ T7704] ___sys_sendmsg+0xee/0x170 [13142.215695][ T7704] __sys_sendmsg+0xcd/0x170 [13142.215695][ T7704] do_syscall_64+0xc6/0x1e0 [13142.215695][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13142.215695][ T7704] [13142.217925][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13142.217925][ T7704] netdev_get_by_index+0x5e/0x80 [13142.217925][ T7704] fib6_nh_init+0x3d8/0x15b0 [13142.217925][ T7704] ip6_route_info_create+0xf18/0x17d0 [13142.217925][ T7704] ip6_route_add+0x1c/0x140 [13142.217925][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13142.217925][ T7704] addrconf_add_dev+0xe2/0x170 [13142.217925][ T7704] inet6_addr_add+0x12f/0xa40 [13142.217925][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13142.217925][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13142.217925][ T7704] netlink_rcv_skb+0x130/0x360 [13142.217925][ T7704] netlink_unicast+0x449/0x710 [13142.217925][ T7704] netlink_sendmsg+0x723/0xbe0 [13142.217925][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13142.217925][ T7704] ___sys_sendmsg+0xee/0x170 [13142.217925][ T7704] __sys_sendmsg+0xcd/0x170 [13142.217925][ T7704] do_syscall_64+0xc6/0x1e0 [13142.217925][ T7704] [13142.220113][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13142.220113][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13142.220113][ T7704] ipv6_find_idev+0x102/0x170 [13142.220113][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13142.220113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13142.220113][ T7704] netlink_rcv_skb+0x130/0x360 [13142.220113][ T7704] netlink_unicast+0x449/0x710 [13142.220113][ T7704] netlink_sendmsg+0x723/0xbe0 [13142.220113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13142.220113][ T7704] ___sys_sendmsg+0xee/0x170 [13142.220113][ T7704] __sys_sendmsg+0xcd/0x170 [13142.220113][ T7704] do_syscall_64+0xc6/0x1e0 [13142.220113][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13142.220113][ T7704] [13142.221831][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13142.221831][ T7704] neigh_parms_alloc+0x1e5/0x510 [13142.221831][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13142.221831][ T7704] ipv6_find_idev+0x102/0x170 [13142.221831][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13142.221831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13142.221831][ T7704] netlink_rcv_skb+0x130/0x360 [13142.221831][ T7704] netlink_unicast+0x449/0x710 [13142.221831][ T7704] netlink_sendmsg+0x723/0xbe0 [13142.221831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13142.221831][ T7704] ___sys_sendmsg+0xee/0x170 [13142.221831][ T7704] __sys_sendmsg+0xcd/0x170 [13142.221831][ T7704] do_syscall_64+0xc6/0x1e0 [13142.221831][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13142.221831][ T7704] [13152.292867][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13152.293391][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13152.293391][ T7704] netdev_get_by_index+0x5e/0x80 [13152.293391][ T7704] fib6_nh_init+0x3d8/0x15b0 [13152.293391][ T7704] ip6_route_info_create+0xf18/0x17d0 [13152.293391][ T7704] ip6_route_add+0x1c/0x140 [13152.293391][ T7704] addrconf_prefix_route+0x2a6/0x430 [13152.293391][ T7704] inet6_addr_add+0x4f8/0xa40 [13152.293391][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13152.293391][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13152.293391][ T7704] netlink_rcv_skb+0x130/0x360 [13152.293391][ T7704] netlink_unicast+0x449/0x710 [13152.293391][ T7704] netlink_sendmsg+0x723/0xbe0 [13152.293391][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13152.293391][ T7704] ___sys_sendmsg+0xee/0x170 [13152.293391][ T7704] __sys_sendmsg+0xcd/0x170 [13152.293391][ T7704] do_syscall_64+0xc6/0x1e0 [13152.293391][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13152.293391][ T7704] [13152.295643][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13152.295643][ T7704] netdev_get_by_index+0x5e/0x80 [13152.295643][ T7704] fib6_nh_init+0x3d8/0x15b0 [13152.295643][ T7704] ip6_route_info_create+0xf18/0x17d0 [13152.295643][ T7704] addrconf_f6i_alloc+0x315/0x560 [13152.295643][ T7704] ipv6_add_addr+0x411/0x2000 [13152.295643][ T7704] inet6_addr_add+0x30e/0xa40 [13152.295643][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13152.295643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13152.295643][ T7704] netlink_rcv_skb+0x130/0x360 [13152.295643][ T7704] netlink_unicast+0x449/0x710 [13152.295643][ T7704] netlink_sendmsg+0x723/0xbe0 [13152.295643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13152.295643][ T7704] ___sys_sendmsg+0xee/0x170 [13152.295643][ T7704] __sys_sendmsg+0xcd/0x170 [13152.295643][ T7704] do_syscall_64+0xc6/0x1e0 [13152.295643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13152.295643][ T7704] [13152.297871][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13152.297871][ T7704] netdev_get_by_index+0x5e/0x80 [13152.297871][ T7704] fib6_nh_init+0x3d8/0x15b0 [13152.297871][ T7704] ip6_route_info_create+0xf18/0x17d0 [13152.297871][ T7704] ip6_route_add+0x1c/0x140 [13152.297871][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13152.297871][ T7704] addrconf_add_dev+0xe2/0x170 [13152.297871][ T7704] inet6_addr_add+0x12f/0xa40 [13152.297871][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13152.297871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13152.297871][ T7704] netlink_rcv_skb+0x130/0x360 [13152.297871][ T7704] netlink_unicast+0x449/0x710 [13152.297871][ T7704] netlink_sendmsg+0x723/0xbe0 [13152.297871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13152.297871][ T7704] ___sys_sendmsg+0xee/0x170 [13152.297871][ T7704] __sys_sendmsg+0xcd/0x170 [13152.297871][ T7704] do_syscall_64+0xc6/0x1e0 [13152.297871][ T7704] [13152.300064][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13152.300064][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13152.300064][ T7704] ipv6_find_idev+0x102/0x170 [13152.300064][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13152.300064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13152.300064][ T7704] netlink_rcv_skb+0x130/0x360 [13152.300064][ T7704] netlink_unicast+0x449/0x710 [13152.300064][ T7704] netlink_sendmsg+0x723/0xbe0 [13152.300064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13152.300064][ T7704] ___sys_sendmsg+0xee/0x170 [13152.300064][ T7704] __sys_sendmsg+0xcd/0x170 [13152.300064][ T7704] do_syscall_64+0xc6/0x1e0 [13152.300064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13152.300064][ T7704] [13152.301761][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13152.301761][ T7704] neigh_parms_alloc+0x1e5/0x510 [13152.301761][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13152.301761][ T7704] ipv6_find_idev+0x102/0x170 [13152.301761][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13152.301761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13152.301761][ T7704] netlink_rcv_skb+0x130/0x360 [13152.301761][ T7704] netlink_unicast+0x449/0x710 [13152.301761][ T7704] netlink_sendmsg+0x723/0xbe0 [13152.301761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13152.301761][ T7704] ___sys_sendmsg+0xee/0x170 [13152.301761][ T7704] __sys_sendmsg+0xcd/0x170 [13152.301761][ T7704] do_syscall_64+0xc6/0x1e0 [13152.301761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13152.301761][ T7704] [13162.540852][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13162.541385][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13162.541385][ T7704] netdev_get_by_index+0x5e/0x80 [13162.541385][ T7704] fib6_nh_init+0x3d8/0x15b0 [13162.541385][ T7704] ip6_route_info_create+0xf18/0x17d0 [13162.541385][ T7704] ip6_route_add+0x1c/0x140 [13162.541385][ T7704] addrconf_prefix_route+0x2a6/0x430 [13162.541385][ T7704] inet6_addr_add+0x4f8/0xa40 [13162.541385][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13162.541385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13162.541385][ T7704] netlink_rcv_skb+0x130/0x360 [13162.541385][ T7704] netlink_unicast+0x449/0x710 [13162.541385][ T7704] netlink_sendmsg+0x723/0xbe0 [13162.541385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13162.541385][ T7704] ___sys_sendmsg+0xee/0x170 [13162.541385][ T7704] __sys_sendmsg+0xcd/0x170 [13162.541385][ T7704] do_syscall_64+0xc6/0x1e0 [13162.541385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13162.541385][ T7704] [13162.543634][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13162.543634][ T7704] netdev_get_by_index+0x5e/0x80 [13162.543634][ T7704] fib6_nh_init+0x3d8/0x15b0 [13162.543634][ T7704] ip6_route_info_create+0xf18/0x17d0 [13162.543634][ T7704] addrconf_f6i_alloc+0x315/0x560 [13162.543634][ T7704] ipv6_add_addr+0x411/0x2000 [13162.543634][ T7704] inet6_addr_add+0x30e/0xa40 [13162.543634][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13162.543634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13162.543634][ T7704] netlink_rcv_skb+0x130/0x360 [13162.543634][ T7704] netlink_unicast+0x449/0x710 [13162.543634][ T7704] netlink_sendmsg+0x723/0xbe0 [13162.543634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13162.543634][ T7704] ___sys_sendmsg+0xee/0x170 [13162.543634][ T7704] __sys_sendmsg+0xcd/0x170 [13162.543634][ T7704] do_syscall_64+0xc6/0x1e0 [13162.543634][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13162.543634][ T7704] [13162.545873][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13162.545873][ T7704] netdev_get_by_index+0x5e/0x80 [13162.545873][ T7704] fib6_nh_init+0x3d8/0x15b0 [13162.545873][ T7704] ip6_route_info_create+0xf18/0x17d0 [13162.545873][ T7704] ip6_route_add+0x1c/0x140 [13162.545873][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13162.545873][ T7704] addrconf_add_dev+0xe2/0x170 [13162.545873][ T7704] inet6_addr_add+0x12f/0xa40 [13162.545873][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13162.545873][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13162.545873][ T7704] netlink_rcv_skb+0x130/0x360 [13162.545873][ T7704] netlink_unicast+0x449/0x710 [13162.545873][ T7704] netlink_sendmsg+0x723/0xbe0 [13162.545873][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13162.545873][ T7704] ___sys_sendmsg+0xee/0x170 [13162.545873][ T7704] __sys_sendmsg+0xcd/0x170 [13162.545873][ T7704] do_syscall_64+0xc6/0x1e0 [13162.545873][ T7704] [13162.548071][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13162.548071][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13162.548071][ T7704] ipv6_find_idev+0x102/0x170 [13162.548071][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13162.548071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13162.548071][ T7704] netlink_rcv_skb+0x130/0x360 [13162.548071][ T7704] netlink_unicast+0x449/0x710 [13162.548071][ T7704] netlink_sendmsg+0x723/0xbe0 [13162.548071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13162.548071][ T7704] ___sys_sendmsg+0xee/0x170 [13162.548071][ T7704] __sys_sendmsg+0xcd/0x170 [13162.548071][ T7704] do_syscall_64+0xc6/0x1e0 [13162.548071][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13162.548071][ T7704] [13162.549796][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13162.549796][ T7704] neigh_parms_alloc+0x1e5/0x510 [13162.549796][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13162.549796][ T7704] ipv6_find_idev+0x102/0x170 [13162.549796][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13162.549796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13162.549796][ T7704] netlink_rcv_skb+0x130/0x360 [13162.549796][ T7704] netlink_unicast+0x449/0x710 [13162.549796][ T7704] netlink_sendmsg+0x723/0xbe0 [13162.549796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13162.549796][ T7704] ___sys_sendmsg+0xee/0x170 [13162.549796][ T7704] __sys_sendmsg+0xcd/0x170 [13162.549796][ T7704] do_syscall_64+0xc6/0x1e0 [13162.549796][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13162.549796][ T7704] [13172.620805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13172.621366][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13172.621366][ T7704] netdev_get_by_index+0x5e/0x80 [13172.621366][ T7704] fib6_nh_init+0x3d8/0x15b0 [13172.621366][ T7704] ip6_route_info_create+0xf18/0x17d0 [13172.621366][ T7704] ip6_route_add+0x1c/0x140 [13172.621366][ T7704] addrconf_prefix_route+0x2a6/0x430 [13172.621366][ T7704] inet6_addr_add+0x4f8/0xa40 [13172.621366][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13172.621366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13172.621366][ T7704] netlink_rcv_skb+0x130/0x360 [13172.621366][ T7704] netlink_unicast+0x449/0x710 [13172.621366][ T7704] netlink_sendmsg+0x723/0xbe0 [13172.621366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13172.621366][ T7704] ___sys_sendmsg+0xee/0x170 [13172.621366][ T7704] __sys_sendmsg+0xcd/0x170 [13172.621366][ T7704] do_syscall_64+0xc6/0x1e0 [13172.621366][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13172.621366][ T7704] [13172.623818][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13172.623818][ T7704] netdev_get_by_index+0x5e/0x80 [13172.623818][ T7704] fib6_nh_init+0x3d8/0x15b0 [13172.623818][ T7704] ip6_route_info_create+0xf18/0x17d0 [13172.623818][ T7704] addrconf_f6i_alloc+0x315/0x560 [13172.623818][ T7704] ipv6_add_addr+0x411/0x2000 [13172.623818][ T7704] inet6_addr_add+0x30e/0xa40 [13172.623818][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13172.623818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13172.623818][ T7704] netlink_rcv_skb+0x130/0x360 [13172.623818][ T7704] netlink_unicast+0x449/0x710 [13172.623818][ T7704] netlink_sendmsg+0x723/0xbe0 [13172.623818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13172.623818][ T7704] ___sys_sendmsg+0xee/0x170 [13172.623818][ T7704] __sys_sendmsg+0xcd/0x170 [13172.623818][ T7704] do_syscall_64+0xc6/0x1e0 [13172.623818][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13172.623818][ T7704] [13172.626250][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13172.626250][ T7704] netdev_get_by_index+0x5e/0x80 [13172.626250][ T7704] fib6_nh_init+0x3d8/0x15b0 [13172.626250][ T7704] ip6_route_info_create+0xf18/0x17d0 [13172.626250][ T7704] ip6_route_add+0x1c/0x140 [13172.626250][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13172.626250][ T7704] addrconf_add_dev+0xe2/0x170 [13172.626250][ T7704] inet6_addr_add+0x12f/0xa40 [13172.626250][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13172.626250][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13172.626250][ T7704] netlink_rcv_skb+0x130/0x360 [13172.626250][ T7704] netlink_unicast+0x449/0x710 [13172.626250][ T7704] netlink_sendmsg+0x723/0xbe0 [13172.626250][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13172.626250][ T7704] ___sys_sendmsg+0xee/0x170 [13172.626250][ T7704] __sys_sendmsg+0xcd/0x170 [13172.626250][ T7704] do_syscall_64+0xc6/0x1e0 [13172.626250][ T7704] [13172.628634][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13172.628634][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13172.628634][ T7704] ipv6_find_idev+0x102/0x170 [13172.628634][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13172.628634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13172.628634][ T7704] netlink_rcv_skb+0x130/0x360 [13172.628634][ T7704] netlink_unicast+0x449/0x710 [13172.628634][ T7704] netlink_sendmsg+0x723/0xbe0 [13172.628634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13172.628634][ T7704] ___sys_sendmsg+0xee/0x170 [13172.628634][ T7704] __sys_sendmsg+0xcd/0x170 [13172.628634][ T7704] do_syscall_64+0xc6/0x1e0 [13172.628634][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13172.628634][ T7704] [13172.630516][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13172.630516][ T7704] neigh_parms_alloc+0x1e5/0x510 [13172.630516][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13172.630516][ T7704] ipv6_find_idev+0x102/0x170 [13172.630516][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13172.630516][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13172.630516][ T7704] netlink_rcv_skb+0x130/0x360 [13172.630516][ T7704] netlink_unicast+0x449/0x710 [13172.630516][ T7704] netlink_sendmsg+0x723/0xbe0 [13172.630516][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13172.630516][ T7704] ___sys_sendmsg+0xee/0x170 [13172.630516][ T7704] __sys_sendmsg+0xcd/0x170 [13172.630516][ T7704] do_syscall_64+0xc6/0x1e0 [13172.630516][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13172.630516][ T7704] [13182.860933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13182.861468][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13182.861468][ T7704] netdev_get_by_index+0x5e/0x80 [13182.861468][ T7704] fib6_nh_init+0x3d8/0x15b0 [13182.861468][ T7704] ip6_route_info_create+0xf18/0x17d0 [13182.861468][ T7704] ip6_route_add+0x1c/0x140 [13182.861468][ T7704] addrconf_prefix_route+0x2a6/0x430 [13182.861468][ T7704] inet6_addr_add+0x4f8/0xa40 [13182.861468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13182.861468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13182.861468][ T7704] netlink_rcv_skb+0x130/0x360 [13182.861468][ T7704] netlink_unicast+0x449/0x710 [13182.861468][ T7704] netlink_sendmsg+0x723/0xbe0 [13182.861468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13182.861468][ T7704] ___sys_sendmsg+0xee/0x170 [13182.861468][ T7704] __sys_sendmsg+0xcd/0x170 [13182.861468][ T7704] do_syscall_64+0xc6/0x1e0 [13182.861468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13182.861468][ T7704] [13182.863703][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13182.863703][ T7704] netdev_get_by_index+0x5e/0x80 [13182.863703][ T7704] fib6_nh_init+0x3d8/0x15b0 [13182.863703][ T7704] ip6_route_info_create+0xf18/0x17d0 [13182.863703][ T7704] addrconf_f6i_alloc+0x315/0x560 [13182.863703][ T7704] ipv6_add_addr+0x411/0x2000 [13182.863703][ T7704] inet6_addr_add+0x30e/0xa40 [13182.863703][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13182.863703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13182.863703][ T7704] netlink_rcv_skb+0x130/0x360 [13182.863703][ T7704] netlink_unicast+0x449/0x710 [13182.863703][ T7704] netlink_sendmsg+0x723/0xbe0 [13182.863703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13182.863703][ T7704] ___sys_sendmsg+0xee/0x170 [13182.863703][ T7704] __sys_sendmsg+0xcd/0x170 [13182.863703][ T7704] do_syscall_64+0xc6/0x1e0 [13182.863703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13182.863703][ T7704] [13182.865909][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13182.865909][ T7704] netdev_get_by_index+0x5e/0x80 [13182.865909][ T7704] fib6_nh_init+0x3d8/0x15b0 [13182.865909][ T7704] ip6_route_info_create+0xf18/0x17d0 [13182.865909][ T7704] ip6_route_add+0x1c/0x140 [13182.865909][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13182.865909][ T7704] addrconf_add_dev+0xe2/0x170 [13182.865909][ T7704] inet6_addr_add+0x12f/0xa40 [13182.865909][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13182.865909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13182.865909][ T7704] netlink_rcv_skb+0x130/0x360 [13182.865909][ T7704] netlink_unicast+0x449/0x710 [13182.865909][ T7704] netlink_sendmsg+0x723/0xbe0 [13182.865909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13182.865909][ T7704] ___sys_sendmsg+0xee/0x170 [13182.865909][ T7704] __sys_sendmsg+0xcd/0x170 [13182.865909][ T7704] do_syscall_64+0xc6/0x1e0 [13182.865909][ T7704] [13182.868076][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13182.868076][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13182.868076][ T7704] ipv6_find_idev+0x102/0x170 [13182.868076][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13182.868076][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13182.868076][ T7704] netlink_rcv_skb+0x130/0x360 [13182.868076][ T7704] netlink_unicast+0x449/0x710 [13182.868076][ T7704] netlink_sendmsg+0x723/0xbe0 [13182.868076][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13182.868076][ T7704] ___sys_sendmsg+0xee/0x170 [13182.868076][ T7704] __sys_sendmsg+0xcd/0x170 [13182.868076][ T7704] do_syscall_64+0xc6/0x1e0 [13182.868076][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13182.868076][ T7704] [13182.869854][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13182.869854][ T7704] neigh_parms_alloc+0x1e5/0x510 [13182.869854][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13182.869854][ T7704] ipv6_find_idev+0x102/0x170 [13182.869854][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13182.869854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13182.869854][ T7704] netlink_rcv_skb+0x130/0x360 [13182.869854][ T7704] netlink_unicast+0x449/0x710 [13182.869854][ T7704] netlink_sendmsg+0x723/0xbe0 [13182.869854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13182.869854][ T7704] ___sys_sendmsg+0xee/0x170 [13182.869854][ T7704] __sys_sendmsg+0xcd/0x170 [13182.869854][ T7704] do_syscall_64+0xc6/0x1e0 [13182.869854][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13182.869854][ T7704] [13193.100895][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13193.101416][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13193.101416][ T7704] netdev_get_by_index+0x5e/0x80 [13193.101416][ T7704] fib6_nh_init+0x3d8/0x15b0 [13193.101416][ T7704] ip6_route_info_create+0xf18/0x17d0 [13193.101416][ T7704] ip6_route_add+0x1c/0x140 [13193.101416][ T7704] addrconf_prefix_route+0x2a6/0x430 [13193.101416][ T7704] inet6_addr_add+0x4f8/0xa40 [13193.101416][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13193.101416][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13193.101416][ T7704] netlink_rcv_skb+0x130/0x360 [13193.101416][ T7704] netlink_unicast+0x449/0x710 [13193.101416][ T7704] netlink_sendmsg+0x723/0xbe0 [13193.101416][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13193.101416][ T7704] ___sys_sendmsg+0xee/0x170 [13193.101416][ T7704] __sys_sendmsg+0xcd/0x170 [13193.101416][ T7704] do_syscall_64+0xc6/0x1e0 [13193.101416][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13193.101416][ T7704] [13193.103678][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13193.103678][ T7704] netdev_get_by_index+0x5e/0x80 [13193.103678][ T7704] fib6_nh_init+0x3d8/0x15b0 [13193.103678][ T7704] ip6_route_info_create+0xf18/0x17d0 [13193.103678][ T7704] addrconf_f6i_alloc+0x315/0x560 [13193.103678][ T7704] ipv6_add_addr+0x411/0x2000 [13193.103678][ T7704] inet6_addr_add+0x30e/0xa40 [13193.103678][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13193.103678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13193.103678][ T7704] netlink_rcv_skb+0x130/0x360 [13193.103678][ T7704] netlink_unicast+0x449/0x710 [13193.103678][ T7704] netlink_sendmsg+0x723/0xbe0 [13193.103678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13193.103678][ T7704] ___sys_sendmsg+0xee/0x170 [13193.103678][ T7704] __sys_sendmsg+0xcd/0x170 [13193.103678][ T7704] do_syscall_64+0xc6/0x1e0 [13193.103678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13193.103678][ T7704] [13193.105899][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13193.105899][ T7704] netdev_get_by_index+0x5e/0x80 [13193.105899][ T7704] fib6_nh_init+0x3d8/0x15b0 [13193.105899][ T7704] ip6_route_info_create+0xf18/0x17d0 [13193.105899][ T7704] ip6_route_add+0x1c/0x140 [13193.105899][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13193.105899][ T7704] addrconf_add_dev+0xe2/0x170 [13193.105899][ T7704] inet6_addr_add+0x12f/0xa40 [13193.105899][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13193.105899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13193.105899][ T7704] netlink_rcv_skb+0x130/0x360 [13193.105899][ T7704] netlink_unicast+0x449/0x710 [13193.105899][ T7704] netlink_sendmsg+0x723/0xbe0 [13193.105899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13193.105899][ T7704] ___sys_sendmsg+0xee/0x170 [13193.105899][ T7704] __sys_sendmsg+0xcd/0x170 [13193.105899][ T7704] do_syscall_64+0xc6/0x1e0 [13193.105899][ T7704] [13193.108082][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13193.108082][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13193.108082][ T7704] ipv6_find_idev+0x102/0x170 [13193.108082][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13193.108082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13193.108082][ T7704] netlink_rcv_skb+0x130/0x360 [13193.108082][ T7704] netlink_unicast+0x449/0x710 [13193.108082][ T7704] netlink_sendmsg+0x723/0xbe0 [13193.108082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13193.108082][ T7704] ___sys_sendmsg+0xee/0x170 [13193.108082][ T7704] __sys_sendmsg+0xcd/0x170 [13193.108082][ T7704] do_syscall_64+0xc6/0x1e0 [13193.108082][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13193.108082][ T7704] [13193.109802][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13193.109802][ T7704] neigh_parms_alloc+0x1e5/0x510 [13193.109802][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13193.109802][ T7704] ipv6_find_idev+0x102/0x170 [13193.109802][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13193.109802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13193.109802][ T7704] netlink_rcv_skb+0x130/0x360 [13193.109802][ T7704] netlink_unicast+0x449/0x710 [13193.109802][ T7704] netlink_sendmsg+0x723/0xbe0 [13193.109802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13193.109802][ T7704] ___sys_sendmsg+0xee/0x170 [13193.109802][ T7704] __sys_sendmsg+0xcd/0x170 [13193.109802][ T7704] do_syscall_64+0xc6/0x1e0 [13193.109802][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13193.109802][ T7704] [13203.148874][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13203.149341][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13203.149341][ T7704] netdev_get_by_index+0x5e/0x80 [13203.149341][ T7704] fib6_nh_init+0x3d8/0x15b0 [13203.149341][ T7704] ip6_route_info_create+0xf18/0x17d0 [13203.149341][ T7704] ip6_route_add+0x1c/0x140 [13203.149341][ T7704] addrconf_prefix_route+0x2a6/0x430 [13203.149341][ T7704] inet6_addr_add+0x4f8/0xa40 [13203.149341][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13203.149341][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13203.149341][ T7704] netlink_rcv_skb+0x130/0x360 [13203.149341][ T7704] netlink_unicast+0x449/0x710 [13203.149341][ T7704] netlink_sendmsg+0x723/0xbe0 [13203.149341][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13203.149341][ T7704] ___sys_sendmsg+0xee/0x170 [13203.149341][ T7704] __sys_sendmsg+0xcd/0x170 [13203.149341][ T7704] do_syscall_64+0xc6/0x1e0 [13203.149341][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13203.149341][ T7704] [13203.151678][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13203.151678][ T7704] netdev_get_by_index+0x5e/0x80 [13203.151678][ T7704] fib6_nh_init+0x3d8/0x15b0 [13203.151678][ T7704] ip6_route_info_create+0xf18/0x17d0 [13203.151678][ T7704] addrconf_f6i_alloc+0x315/0x560 [13203.151678][ T7704] ipv6_add_addr+0x411/0x2000 [13203.151678][ T7704] inet6_addr_add+0x30e/0xa40 [13203.151678][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13203.151678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13203.151678][ T7704] netlink_rcv_skb+0x130/0x360 [13203.151678][ T7704] netlink_unicast+0x449/0x710 [13203.151678][ T7704] netlink_sendmsg+0x723/0xbe0 [13203.151678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13203.151678][ T7704] ___sys_sendmsg+0xee/0x170 [13203.151678][ T7704] __sys_sendmsg+0xcd/0x170 [13203.151678][ T7704] do_syscall_64+0xc6/0x1e0 [13203.151678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13203.151678][ T7704] [13203.153906][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13203.153906][ T7704] netdev_get_by_index+0x5e/0x80 [13203.153906][ T7704] fib6_nh_init+0x3d8/0x15b0 [13203.153906][ T7704] ip6_route_info_create+0xf18/0x17d0 [13203.153906][ T7704] ip6_route_add+0x1c/0x140 [13203.153906][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13203.153906][ T7704] addrconf_add_dev+0xe2/0x170 [13203.153906][ T7704] inet6_addr_add+0x12f/0xa40 [13203.153906][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13203.153906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13203.153906][ T7704] netlink_rcv_skb+0x130/0x360 [13203.153906][ T7704] netlink_unicast+0x449/0x710 [13203.153906][ T7704] netlink_sendmsg+0x723/0xbe0 [13203.153906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13203.153906][ T7704] ___sys_sendmsg+0xee/0x170 [13203.153906][ T7704] __sys_sendmsg+0xcd/0x170 [13203.153906][ T7704] do_syscall_64+0xc6/0x1e0 [13203.153906][ T7704] [13203.156094][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13203.156094][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13203.156094][ T7704] ipv6_find_idev+0x102/0x170 [13203.156094][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13203.156094][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13203.156094][ T7704] netlink_rcv_skb+0x130/0x360 [13203.156094][ T7704] netlink_unicast+0x449/0x710 [13203.156094][ T7704] netlink_sendmsg+0x723/0xbe0 [13203.156094][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13203.156094][ T7704] ___sys_sendmsg+0xee/0x170 [13203.156094][ T7704] __sys_sendmsg+0xcd/0x170 [13203.156094][ T7704] do_syscall_64+0xc6/0x1e0 [13203.156094][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13203.156094][ T7704] [13203.157812][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13203.157812][ T7704] neigh_parms_alloc+0x1e5/0x510 [13203.157812][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13203.157812][ T7704] ipv6_find_idev+0x102/0x170 [13203.157812][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13203.157812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13203.157812][ T7704] netlink_rcv_skb+0x130/0x360 [13203.157812][ T7704] netlink_unicast+0x449/0x710 [13203.157812][ T7704] netlink_sendmsg+0x723/0xbe0 [13203.157812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13203.157812][ T7704] ___sys_sendmsg+0xee/0x170 [13203.157812][ T7704] __sys_sendmsg+0xcd/0x170 [13203.157812][ T7704] do_syscall_64+0xc6/0x1e0 [13203.157812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13203.157812][ T7704] [13213.356851][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13213.357545][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13213.357545][ T7704] netdev_get_by_index+0x5e/0x80 [13213.357545][ T7704] fib6_nh_init+0x3d8/0x15b0 [13213.357545][ T7704] ip6_route_info_create+0xf18/0x17d0 [13213.357545][ T7704] ip6_route_add+0x1c/0x140 [13213.357545][ T7704] addrconf_prefix_route+0x2a6/0x430 [13213.357545][ T7704] inet6_addr_add+0x4f8/0xa40 [13213.357545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13213.357545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13213.357545][ T7704] netlink_rcv_skb+0x130/0x360 [13213.357545][ T7704] netlink_unicast+0x449/0x710 [13213.357545][ T7704] netlink_sendmsg+0x723/0xbe0 [13213.357545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13213.357545][ T7704] ___sys_sendmsg+0xee/0x170 [13213.357545][ T7704] __sys_sendmsg+0xcd/0x170 [13213.357545][ T7704] do_syscall_64+0xc6/0x1e0 [13213.357545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13213.357545][ T7704] [13213.359880][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13213.359880][ T7704] netdev_get_by_index+0x5e/0x80 [13213.359880][ T7704] fib6_nh_init+0x3d8/0x15b0 [13213.359880][ T7704] ip6_route_info_create+0xf18/0x17d0 [13213.359880][ T7704] addrconf_f6i_alloc+0x315/0x560 [13213.359880][ T7704] ipv6_add_addr+0x411/0x2000 [13213.359880][ T7704] inet6_addr_add+0x30e/0xa40 [13213.359880][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13213.359880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13213.359880][ T7704] netlink_rcv_skb+0x130/0x360 [13213.359880][ T7704] netlink_unicast+0x449/0x710 [13213.359880][ T7704] netlink_sendmsg+0x723/0xbe0 [13213.359880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13213.359880][ T7704] ___sys_sendmsg+0xee/0x170 [13213.359880][ T7704] __sys_sendmsg+0xcd/0x170 [13213.359880][ T7704] do_syscall_64+0xc6/0x1e0 [13213.359880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13213.359880][ T7704] [13213.362106][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13213.362106][ T7704] netdev_get_by_index+0x5e/0x80 [13213.362106][ T7704] fib6_nh_init+0x3d8/0x15b0 [13213.362106][ T7704] ip6_route_info_create+0xf18/0x17d0 [13213.362106][ T7704] ip6_route_add+0x1c/0x140 [13213.362106][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13213.362106][ T7704] addrconf_add_dev+0xe2/0x170 [13213.362106][ T7704] inet6_addr_add+0x12f/0xa40 [13213.362106][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13213.362106][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13213.362106][ T7704] netlink_rcv_skb+0x130/0x360 [13213.362106][ T7704] netlink_unicast+0x449/0x710 [13213.362106][ T7704] netlink_sendmsg+0x723/0xbe0 [13213.362106][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13213.362106][ T7704] ___sys_sendmsg+0xee/0x170 [13213.362106][ T7704] __sys_sendmsg+0xcd/0x170 [13213.362106][ T7704] do_syscall_64+0xc6/0x1e0 [13213.362106][ T7704] [13213.364313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13213.364313][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13213.364313][ T7704] ipv6_find_idev+0x102/0x170 [13213.364313][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13213.364313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13213.364313][ T7704] netlink_rcv_skb+0x130/0x360 [13213.364313][ T7704] netlink_unicast+0x449/0x710 [13213.364313][ T7704] netlink_sendmsg+0x723/0xbe0 [13213.364313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13213.364313][ T7704] ___sys_sendmsg+0xee/0x170 [13213.364313][ T7704] __sys_sendmsg+0xcd/0x170 [13213.364313][ T7704] do_syscall_64+0xc6/0x1e0 [13213.364313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13213.364313][ T7704] [13213.366026][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13213.366026][ T7704] neigh_parms_alloc+0x1e5/0x510 [13213.366026][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13213.366026][ T7704] ipv6_find_idev+0x102/0x170 [13213.366026][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13213.366026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13213.366026][ T7704] netlink_rcv_skb+0x130/0x360 [13213.366026][ T7704] netlink_unicast+0x449/0x710 [13213.366026][ T7704] netlink_sendmsg+0x723/0xbe0 [13213.366026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13213.366026][ T7704] ___sys_sendmsg+0xee/0x170 [13213.366026][ T7704] __sys_sendmsg+0xcd/0x170 [13213.366026][ T7704] do_syscall_64+0xc6/0x1e0 [13213.366026][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13213.366026][ T7704] [13223.404809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13223.405337][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13223.405337][ T7704] netdev_get_by_index+0x5e/0x80 [13223.405337][ T7704] fib6_nh_init+0x3d8/0x15b0 [13223.405337][ T7704] ip6_route_info_create+0xf18/0x17d0 [13223.405337][ T7704] ip6_route_add+0x1c/0x140 [13223.405337][ T7704] addrconf_prefix_route+0x2a6/0x430 [13223.405337][ T7704] inet6_addr_add+0x4f8/0xa40 [13223.405337][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13223.405337][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13223.405337][ T7704] netlink_rcv_skb+0x130/0x360 [13223.405337][ T7704] netlink_unicast+0x449/0x710 [13223.405337][ T7704] netlink_sendmsg+0x723/0xbe0 [13223.405337][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13223.405337][ T7704] ___sys_sendmsg+0xee/0x170 [13223.405337][ T7704] __sys_sendmsg+0xcd/0x170 [13223.405337][ T7704] do_syscall_64+0xc6/0x1e0 [13223.405337][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13223.405337][ T7704] [13223.407614][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13223.407614][ T7704] netdev_get_by_index+0x5e/0x80 [13223.407614][ T7704] fib6_nh_init+0x3d8/0x15b0 [13223.407614][ T7704] ip6_route_info_create+0xf18/0x17d0 [13223.407614][ T7704] addrconf_f6i_alloc+0x315/0x560 [13223.407614][ T7704] ipv6_add_addr+0x411/0x2000 [13223.407614][ T7704] inet6_addr_add+0x30e/0xa40 [13223.407614][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13223.407614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13223.407614][ T7704] netlink_rcv_skb+0x130/0x360 [13223.407614][ T7704] netlink_unicast+0x449/0x710 [13223.407614][ T7704] netlink_sendmsg+0x723/0xbe0 [13223.407614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13223.407614][ T7704] ___sys_sendmsg+0xee/0x170 [13223.407614][ T7704] __sys_sendmsg+0xcd/0x170 [13223.407614][ T7704] do_syscall_64+0xc6/0x1e0 [13223.407614][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13223.407614][ T7704] [13223.409889][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13223.409889][ T7704] netdev_get_by_index+0x5e/0x80 [13223.409889][ T7704] fib6_nh_init+0x3d8/0x15b0 [13223.409889][ T7704] ip6_route_info_create+0xf18/0x17d0 [13223.409889][ T7704] ip6_route_add+0x1c/0x140 [13223.409889][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13223.409889][ T7704] addrconf_add_dev+0xe2/0x170 [13223.409889][ T7704] inet6_addr_add+0x12f/0xa40 [13223.409889][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13223.409889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13223.409889][ T7704] netlink_rcv_skb+0x130/0x360 [13223.409889][ T7704] netlink_unicast+0x449/0x710 [13223.409889][ T7704] netlink_sendmsg+0x723/0xbe0 [13223.409889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13223.409889][ T7704] ___sys_sendmsg+0xee/0x170 [13223.409889][ T7704] __sys_sendmsg+0xcd/0x170 [13223.409889][ T7704] do_syscall_64+0xc6/0x1e0 [13223.409889][ T7704] [13223.412086][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13223.412086][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13223.412086][ T7704] ipv6_find_idev+0x102/0x170 [13223.412086][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13223.412086][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13223.412086][ T7704] netlink_rcv_skb+0x130/0x360 [13223.412086][ T7704] netlink_unicast+0x449/0x710 [13223.412086][ T7704] netlink_sendmsg+0x723/0xbe0 [13223.412086][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13223.412086][ T7704] ___sys_sendmsg+0xee/0x170 [13223.412086][ T7704] __sys_sendmsg+0xcd/0x170 [13223.412086][ T7704] do_syscall_64+0xc6/0x1e0 [13223.412086][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13223.412086][ T7704] [13223.413826][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13223.413826][ T7704] neigh_parms_alloc+0x1e5/0x510 [13223.413826][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13223.413826][ T7704] ipv6_find_idev+0x102/0x170 [13223.413826][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13223.413826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13223.413826][ T7704] netlink_rcv_skb+0x130/0x360 [13223.413826][ T7704] netlink_unicast+0x449/0x710 [13223.413826][ T7704] netlink_sendmsg+0x723/0xbe0 [13223.413826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13223.413826][ T7704] ___sys_sendmsg+0xee/0x170 [13223.413826][ T7704] __sys_sendmsg+0xcd/0x170 [13223.413826][ T7704] do_syscall_64+0xc6/0x1e0 [13223.413826][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13223.413826][ T7704] [13233.612882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13233.613432][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13233.613432][ T7704] netdev_get_by_index+0x5e/0x80 [13233.613432][ T7704] fib6_nh_init+0x3d8/0x15b0 [13233.613432][ T7704] ip6_route_info_create+0xf18/0x17d0 [13233.613432][ T7704] ip6_route_add+0x1c/0x140 [13233.613432][ T7704] addrconf_prefix_route+0x2a6/0x430 [13233.613432][ T7704] inet6_addr_add+0x4f8/0xa40 [13233.613432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13233.613432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13233.613432][ T7704] netlink_rcv_skb+0x130/0x360 [13233.613432][ T7704] netlink_unicast+0x449/0x710 [13233.613432][ T7704] netlink_sendmsg+0x723/0xbe0 [13233.613432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13233.613432][ T7704] ___sys_sendmsg+0xee/0x170 [13233.613432][ T7704] __sys_sendmsg+0xcd/0x170 [13233.613432][ T7704] do_syscall_64+0xc6/0x1e0 [13233.613432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13233.613432][ T7704] [13233.615685][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13233.615685][ T7704] netdev_get_by_index+0x5e/0x80 [13233.615685][ T7704] fib6_nh_init+0x3d8/0x15b0 [13233.615685][ T7704] ip6_route_info_create+0xf18/0x17d0 [13233.615685][ T7704] addrconf_f6i_alloc+0x315/0x560 [13233.615685][ T7704] ipv6_add_addr+0x411/0x2000 [13233.615685][ T7704] inet6_addr_add+0x30e/0xa40 [13233.615685][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13233.615685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13233.615685][ T7704] netlink_rcv_skb+0x130/0x360 [13233.615685][ T7704] netlink_unicast+0x449/0x710 [13233.615685][ T7704] netlink_sendmsg+0x723/0xbe0 [13233.615685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13233.615685][ T7704] ___sys_sendmsg+0xee/0x170 [13233.615685][ T7704] __sys_sendmsg+0xcd/0x170 [13233.615685][ T7704] do_syscall_64+0xc6/0x1e0 [13233.615685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13233.615685][ T7704] [13233.618009][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13233.618009][ T7704] netdev_get_by_index+0x5e/0x80 [13233.618009][ T7704] fib6_nh_init+0x3d8/0x15b0 [13233.618009][ T7704] ip6_route_info_create+0xf18/0x17d0 [13233.618009][ T7704] ip6_route_add+0x1c/0x140 [13233.618009][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13233.618009][ T7704] addrconf_add_dev+0xe2/0x170 [13233.618009][ T7704] inet6_addr_add+0x12f/0xa40 [13233.618009][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13233.618009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13233.618009][ T7704] netlink_rcv_skb+0x130/0x360 [13233.618009][ T7704] netlink_unicast+0x449/0x710 [13233.618009][ T7704] netlink_sendmsg+0x723/0xbe0 [13233.618009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13233.618009][ T7704] ___sys_sendmsg+0xee/0x170 [13233.618009][ T7704] __sys_sendmsg+0xcd/0x170 [13233.618009][ T7704] do_syscall_64+0xc6/0x1e0 [13233.618009][ T7704] [13233.620392][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13233.620392][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13233.620392][ T7704] ipv6_find_idev+0x102/0x170 [13233.620392][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13233.620392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13233.620392][ T7704] netlink_rcv_skb+0x130/0x360 [13233.620392][ T7704] netlink_unicast+0x449/0x710 [13233.620392][ T7704] netlink_sendmsg+0x723/0xbe0 [13233.620392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13233.620392][ T7704] ___sys_sendmsg+0xee/0x170 [13233.620392][ T7704] __sys_sendmsg+0xcd/0x170 [13233.620392][ T7704] do_syscall_64+0xc6/0x1e0 [13233.620392][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13233.620392][ T7704] [13233.622244][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13233.622244][ T7704] neigh_parms_alloc+0x1e5/0x510 [13233.622244][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13233.622244][ T7704] ipv6_find_idev+0x102/0x170 [13233.622244][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13233.622244][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13233.622244][ T7704] netlink_rcv_skb+0x130/0x360 [13233.622244][ T7704] netlink_unicast+0x449/0x710 [13233.622244][ T7704] netlink_sendmsg+0x723/0xbe0 [13233.622244][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13233.622244][ T7704] ___sys_sendmsg+0xee/0x170 [13233.622244][ T7704] __sys_sendmsg+0xcd/0x170 [13233.622244][ T7704] do_syscall_64+0xc6/0x1e0 [13233.622244][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13233.622244][ T7704] [13243.700787][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13243.701358][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13243.701358][ T7704] netdev_get_by_index+0x5e/0x80 [13243.701358][ T7704] fib6_nh_init+0x3d8/0x15b0 [13243.701358][ T7704] ip6_route_info_create+0xf18/0x17d0 [13243.701358][ T7704] ip6_route_add+0x1c/0x140 [13243.701358][ T7704] addrconf_prefix_route+0x2a6/0x430 [13243.701358][ T7704] inet6_addr_add+0x4f8/0xa40 [13243.701358][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13243.701358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13243.701358][ T7704] netlink_rcv_skb+0x130/0x360 [13243.701358][ T7704] netlink_unicast+0x449/0x710 [13243.701358][ T7704] netlink_sendmsg+0x723/0xbe0 [13243.701358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13243.701358][ T7704] ___sys_sendmsg+0xee/0x170 [13243.701358][ T7704] __sys_sendmsg+0xcd/0x170 [13243.701358][ T7704] do_syscall_64+0xc6/0x1e0 [13243.701358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13243.701358][ T7704] [13243.703697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13243.703697][ T7704] netdev_get_by_index+0x5e/0x80 [13243.703697][ T7704] fib6_nh_init+0x3d8/0x15b0 [13243.703697][ T7704] ip6_route_info_create+0xf18/0x17d0 [13243.703697][ T7704] addrconf_f6i_alloc+0x315/0x560 [13243.703697][ T7704] ipv6_add_addr+0x411/0x2000 [13243.703697][ T7704] inet6_addr_add+0x30e/0xa40 [13243.703697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13243.703697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13243.703697][ T7704] netlink_rcv_skb+0x130/0x360 [13243.703697][ T7704] netlink_unicast+0x449/0x710 [13243.703697][ T7704] netlink_sendmsg+0x723/0xbe0 [13243.703697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13243.703697][ T7704] ___sys_sendmsg+0xee/0x170 [13243.703697][ T7704] __sys_sendmsg+0xcd/0x170 [13243.703697][ T7704] do_syscall_64+0xc6/0x1e0 [13243.703697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13243.703697][ T7704] [13243.706075][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13243.706075][ T7704] netdev_get_by_index+0x5e/0x80 [13243.706075][ T7704] fib6_nh_init+0x3d8/0x15b0 [13243.706075][ T7704] ip6_route_info_create+0xf18/0x17d0 [13243.706075][ T7704] ip6_route_add+0x1c/0x140 [13243.706075][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13243.706075][ T7704] addrconf_add_dev+0xe2/0x170 [13243.706075][ T7704] inet6_addr_add+0x12f/0xa40 [13243.706075][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13243.706075][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13243.706075][ T7704] netlink_rcv_skb+0x130/0x360 [13243.706075][ T7704] netlink_unicast+0x449/0x710 [13243.706075][ T7704] netlink_sendmsg+0x723/0xbe0 [13243.706075][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13243.706075][ T7704] ___sys_sendmsg+0xee/0x170 [13243.706075][ T7704] __sys_sendmsg+0xcd/0x170 [13243.706075][ T7704] do_syscall_64+0xc6/0x1e0 [13243.706075][ T7704] [13243.708553][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13243.708553][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13243.708553][ T7704] ipv6_find_idev+0x102/0x170 [13243.708553][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13243.708553][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13243.708553][ T7704] netlink_rcv_skb+0x130/0x360 [13243.708553][ T7704] netlink_unicast+0x449/0x710 [13243.708553][ T7704] netlink_sendmsg+0x723/0xbe0 [13243.708553][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13243.708553][ T7704] ___sys_sendmsg+0xee/0x170 [13243.708553][ T7704] __sys_sendmsg+0xcd/0x170 [13243.708553][ T7704] do_syscall_64+0xc6/0x1e0 [13243.708553][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13243.708553][ T7704] [13243.710572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13243.710572][ T7704] neigh_parms_alloc+0x1e5/0x510 [13243.710572][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13243.710572][ T7704] ipv6_find_idev+0x102/0x170 [13243.710572][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13243.710572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13243.710572][ T7704] netlink_rcv_skb+0x130/0x360 [13243.710572][ T7704] netlink_unicast+0x449/0x710 [13243.710572][ T7704] netlink_sendmsg+0x723/0xbe0 [13243.710572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13243.710572][ T7704] ___sys_sendmsg+0xee/0x170 [13243.710572][ T7704] __sys_sendmsg+0xcd/0x170 [13243.710572][ T7704] do_syscall_64+0xc6/0x1e0 [13243.710572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13243.710572][ T7704] [13253.948797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13253.949304][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13253.949304][ T7704] netdev_get_by_index+0x5e/0x80 [13253.949304][ T7704] fib6_nh_init+0x3d8/0x15b0 [13253.949304][ T7704] ip6_route_info_create+0xf18/0x17d0 [13253.949304][ T7704] ip6_route_add+0x1c/0x140 [13253.949304][ T7704] addrconf_prefix_route+0x2a6/0x430 [13253.949304][ T7704] inet6_addr_add+0x4f8/0xa40 [13253.949304][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13253.949304][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13253.949304][ T7704] netlink_rcv_skb+0x130/0x360 [13253.949304][ T7704] netlink_unicast+0x449/0x710 [13253.949304][ T7704] netlink_sendmsg+0x723/0xbe0 [13253.949304][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13253.949304][ T7704] ___sys_sendmsg+0xee/0x170 [13253.949304][ T7704] __sys_sendmsg+0xcd/0x170 [13253.949304][ T7704] do_syscall_64+0xc6/0x1e0 [13253.949304][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13253.949304][ T7704] [13253.951725][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13253.951725][ T7704] netdev_get_by_index+0x5e/0x80 [13253.951725][ T7704] fib6_nh_init+0x3d8/0x15b0 [13253.951725][ T7704] ip6_route_info_create+0xf18/0x17d0 [13253.951725][ T7704] addrconf_f6i_alloc+0x315/0x560 [13253.951725][ T7704] ipv6_add_addr+0x411/0x2000 [13253.951725][ T7704] inet6_addr_add+0x30e/0xa40 [13253.951725][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13253.951725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13253.951725][ T7704] netlink_rcv_skb+0x130/0x360 [13253.951725][ T7704] netlink_unicast+0x449/0x710 [13253.951725][ T7704] netlink_sendmsg+0x723/0xbe0 [13253.951725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13253.951725][ T7704] ___sys_sendmsg+0xee/0x170 [13253.951725][ T7704] __sys_sendmsg+0xcd/0x170 [13253.951725][ T7704] do_syscall_64+0xc6/0x1e0 [13253.951725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13253.951725][ T7704] [13253.954161][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13253.954161][ T7704] netdev_get_by_index+0x5e/0x80 [13253.954161][ T7704] fib6_nh_init+0x3d8/0x15b0 [13253.954161][ T7704] ip6_route_info_create+0xf18/0x17d0 [13253.954161][ T7704] ip6_route_add+0x1c/0x140 [13253.954161][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13253.954161][ T7704] addrconf_add_dev+0xe2/0x170 [13253.954161][ T7704] inet6_addr_add+0x12f/0xa40 [13253.954161][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13253.954161][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13253.954161][ T7704] netlink_rcv_skb+0x130/0x360 [13253.954161][ T7704] netlink_unicast+0x449/0x710 [13253.954161][ T7704] netlink_sendmsg+0x723/0xbe0 [13253.954161][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13253.954161][ T7704] ___sys_sendmsg+0xee/0x170 [13253.954161][ T7704] __sys_sendmsg+0xcd/0x170 [13253.954161][ T7704] do_syscall_64+0xc6/0x1e0 [13253.954161][ T7704] [13253.956529][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13253.956529][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13253.956529][ T7704] ipv6_find_idev+0x102/0x170 [13253.956529][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13253.956529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13253.956529][ T7704] netlink_rcv_skb+0x130/0x360 [13253.956529][ T7704] netlink_unicast+0x449/0x710 [13253.956529][ T7704] netlink_sendmsg+0x723/0xbe0 [13253.956529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13253.956529][ T7704] ___sys_sendmsg+0xee/0x170 [13253.956529][ T7704] __sys_sendmsg+0xcd/0x170 [13253.956529][ T7704] do_syscall_64+0xc6/0x1e0 [13253.956529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13253.956529][ T7704] [13253.958384][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13253.958384][ T7704] neigh_parms_alloc+0x1e5/0x510 [13253.958384][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13253.958384][ T7704] ipv6_find_idev+0x102/0x170 [13253.958384][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13253.958384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13253.958384][ T7704] netlink_rcv_skb+0x130/0x360 [13253.958384][ T7704] netlink_unicast+0x449/0x710 [13253.958384][ T7704] netlink_sendmsg+0x723/0xbe0 [13253.958384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13253.958384][ T7704] ___sys_sendmsg+0xee/0x170 [13253.958384][ T7704] __sys_sendmsg+0xcd/0x170 [13253.958384][ T7704] do_syscall_64+0xc6/0x1e0 [13253.958384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13253.958384][ T7704] [13264.196820][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13264.197352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13264.197352][ T7704] netdev_get_by_index+0x5e/0x80 [13264.197352][ T7704] fib6_nh_init+0x3d8/0x15b0 [13264.197352][ T7704] ip6_route_info_create+0xf18/0x17d0 [13264.197352][ T7704] ip6_route_add+0x1c/0x140 [13264.197352][ T7704] addrconf_prefix_route+0x2a6/0x430 [13264.197352][ T7704] inet6_addr_add+0x4f8/0xa40 [13264.197352][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13264.197352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13264.197352][ T7704] netlink_rcv_skb+0x130/0x360 [13264.197352][ T7704] netlink_unicast+0x449/0x710 [13264.197352][ T7704] netlink_sendmsg+0x723/0xbe0 [13264.197352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13264.197352][ T7704] ___sys_sendmsg+0xee/0x170 [13264.197352][ T7704] __sys_sendmsg+0xcd/0x170 [13264.197352][ T7704] do_syscall_64+0xc6/0x1e0 [13264.197352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13264.197352][ T7704] [13264.199618][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13264.199618][ T7704] netdev_get_by_index+0x5e/0x80 [13264.199618][ T7704] fib6_nh_init+0x3d8/0x15b0 [13264.199618][ T7704] ip6_route_info_create+0xf18/0x17d0 [13264.199618][ T7704] addrconf_f6i_alloc+0x315/0x560 [13264.199618][ T7704] ipv6_add_addr+0x411/0x2000 [13264.199618][ T7704] inet6_addr_add+0x30e/0xa40 [13264.199618][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13264.199618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13264.199618][ T7704] netlink_rcv_skb+0x130/0x360 [13264.199618][ T7704] netlink_unicast+0x449/0x710 [13264.199618][ T7704] netlink_sendmsg+0x723/0xbe0 [13264.199618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13264.199618][ T7704] ___sys_sendmsg+0xee/0x170 [13264.199618][ T7704] __sys_sendmsg+0xcd/0x170 [13264.199618][ T7704] do_syscall_64+0xc6/0x1e0 [13264.199618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13264.199618][ T7704] [13264.201879][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13264.201879][ T7704] netdev_get_by_index+0x5e/0x80 [13264.201879][ T7704] fib6_nh_init+0x3d8/0x15b0 [13264.201879][ T7704] ip6_route_info_create+0xf18/0x17d0 [13264.201879][ T7704] ip6_route_add+0x1c/0x140 [13264.201879][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13264.201879][ T7704] addrconf_add_dev+0xe2/0x170 [13264.201879][ T7704] inet6_addr_add+0x12f/0xa40 [13264.201879][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13264.201879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13264.201879][ T7704] netlink_rcv_skb+0x130/0x360 [13264.201879][ T7704] netlink_unicast+0x449/0x710 [13264.201879][ T7704] netlink_sendmsg+0x723/0xbe0 [13264.201879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13264.201879][ T7704] ___sys_sendmsg+0xee/0x170 [13264.201879][ T7704] __sys_sendmsg+0xcd/0x170 [13264.201879][ T7704] do_syscall_64+0xc6/0x1e0 [13264.201879][ T7704] [13264.204053][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13264.204053][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13264.204053][ T7704] ipv6_find_idev+0x102/0x170 [13264.204053][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13264.204053][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13264.204053][ T7704] netlink_rcv_skb+0x130/0x360 [13264.204053][ T7704] netlink_unicast+0x449/0x710 [13264.204053][ T7704] netlink_sendmsg+0x723/0xbe0 [13264.204053][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13264.204053][ T7704] ___sys_sendmsg+0xee/0x170 [13264.204053][ T7704] __sys_sendmsg+0xcd/0x170 [13264.204053][ T7704] do_syscall_64+0xc6/0x1e0 [13264.204053][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13264.204053][ T7704] [13264.205788][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13264.205788][ T7704] neigh_parms_alloc+0x1e5/0x510 [13264.205788][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13264.205788][ T7704] ipv6_find_idev+0x102/0x170 [13264.205788][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13264.205788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13264.205788][ T7704] netlink_rcv_skb+0x130/0x360 [13264.205788][ T7704] netlink_unicast+0x449/0x710 [13264.205788][ T7704] netlink_sendmsg+0x723/0xbe0 [13264.205788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13264.205788][ T7704] ___sys_sendmsg+0xee/0x170 [13264.205788][ T7704] __sys_sendmsg+0xcd/0x170 [13264.205788][ T7704] do_syscall_64+0xc6/0x1e0 [13264.205788][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13264.205788][ T7704] [13274.444819][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13274.445288][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13274.445288][ T7704] netdev_get_by_index+0x5e/0x80 [13274.445288][ T7704] fib6_nh_init+0x3d8/0x15b0 [13274.445288][ T7704] ip6_route_info_create+0xf18/0x17d0 [13274.445288][ T7704] ip6_route_add+0x1c/0x140 [13274.445288][ T7704] addrconf_prefix_route+0x2a6/0x430 [13274.445288][ T7704] inet6_addr_add+0x4f8/0xa40 [13274.445288][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13274.445288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13274.445288][ T7704] netlink_rcv_skb+0x130/0x360 [13274.445288][ T7704] netlink_unicast+0x449/0x710 [13274.445288][ T7704] netlink_sendmsg+0x723/0xbe0 [13274.445288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13274.445288][ T7704] ___sys_sendmsg+0xee/0x170 [13274.445288][ T7704] __sys_sendmsg+0xcd/0x170 [13274.445288][ T7704] do_syscall_64+0xc6/0x1e0 [13274.445288][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13274.445288][ T7704] [13274.447537][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13274.447537][ T7704] netdev_get_by_index+0x5e/0x80 [13274.447537][ T7704] fib6_nh_init+0x3d8/0x15b0 [13274.447537][ T7704] ip6_route_info_create+0xf18/0x17d0 [13274.447537][ T7704] addrconf_f6i_alloc+0x315/0x560 [13274.447537][ T7704] ipv6_add_addr+0x411/0x2000 [13274.447537][ T7704] inet6_addr_add+0x30e/0xa40 [13274.447537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13274.447537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13274.447537][ T7704] netlink_rcv_skb+0x130/0x360 [13274.447537][ T7704] netlink_unicast+0x449/0x710 [13274.447537][ T7704] netlink_sendmsg+0x723/0xbe0 [13274.447537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13274.447537][ T7704] ___sys_sendmsg+0xee/0x170 [13274.447537][ T7704] __sys_sendmsg+0xcd/0x170 [13274.447537][ T7704] do_syscall_64+0xc6/0x1e0 [13274.447537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13274.447537][ T7704] [13274.449839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13274.449839][ T7704] netdev_get_by_index+0x5e/0x80 [13274.449839][ T7704] fib6_nh_init+0x3d8/0x15b0 [13274.449839][ T7704] ip6_route_info_create+0xf18/0x17d0 [13274.449839][ T7704] ip6_route_add+0x1c/0x140 [13274.449839][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13274.449839][ T7704] addrconf_add_dev+0xe2/0x170 [13274.449839][ T7704] inet6_addr_add+0x12f/0xa40 [13274.449839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13274.449839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13274.449839][ T7704] netlink_rcv_skb+0x130/0x360 [13274.449839][ T7704] netlink_unicast+0x449/0x710 [13274.449839][ T7704] netlink_sendmsg+0x723/0xbe0 [13274.449839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13274.449839][ T7704] ___sys_sendmsg+0xee/0x170 [13274.449839][ T7704] __sys_sendmsg+0xcd/0x170 [13274.449839][ T7704] do_syscall_64+0xc6/0x1e0 [13274.449839][ T7704] [13274.452010][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13274.452010][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13274.452010][ T7704] ipv6_find_idev+0x102/0x170 [13274.452010][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13274.452010][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13274.452010][ T7704] netlink_rcv_skb+0x130/0x360 [13274.452010][ T7704] netlink_unicast+0x449/0x710 [13274.452010][ T7704] netlink_sendmsg+0x723/0xbe0 [13274.452010][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13274.452010][ T7704] ___sys_sendmsg+0xee/0x170 [13274.452010][ T7704] __sys_sendmsg+0xcd/0x170 [13274.452010][ T7704] do_syscall_64+0xc6/0x1e0 [13274.452010][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13274.452010][ T7704] [13274.453717][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13274.453717][ T7704] neigh_parms_alloc+0x1e5/0x510 [13274.453717][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13274.453717][ T7704] ipv6_find_idev+0x102/0x170 [13274.453717][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13274.453717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13274.453717][ T7704] netlink_rcv_skb+0x130/0x360 [13274.453717][ T7704] netlink_unicast+0x449/0x710 [13274.453717][ T7704] netlink_sendmsg+0x723/0xbe0 [13274.453717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13274.453717][ T7704] ___sys_sendmsg+0xee/0x170 [13274.453717][ T7704] __sys_sendmsg+0xcd/0x170 [13274.453717][ T7704] do_syscall_64+0xc6/0x1e0 [13274.453717][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13274.453717][ T7704] [13284.652814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13284.653331][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13284.653331][ T7704] netdev_get_by_index+0x5e/0x80 [13284.653331][ T7704] fib6_nh_init+0x3d8/0x15b0 [13284.653331][ T7704] ip6_route_info_create+0xf18/0x17d0 [13284.653331][ T7704] ip6_route_add+0x1c/0x140 [13284.653331][ T7704] addrconf_prefix_route+0x2a6/0x430 [13284.653331][ T7704] inet6_addr_add+0x4f8/0xa40 [13284.653331][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13284.653331][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13284.653331][ T7704] netlink_rcv_skb+0x130/0x360 [13284.653331][ T7704] netlink_unicast+0x449/0x710 [13284.653331][ T7704] netlink_sendmsg+0x723/0xbe0 [13284.653331][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13284.653331][ T7704] ___sys_sendmsg+0xee/0x170 [13284.653331][ T7704] __sys_sendmsg+0xcd/0x170 [13284.653331][ T7704] do_syscall_64+0xc6/0x1e0 [13284.653331][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13284.653331][ T7704] [13284.655777][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13284.655777][ T7704] netdev_get_by_index+0x5e/0x80 [13284.655777][ T7704] fib6_nh_init+0x3d8/0x15b0 [13284.655777][ T7704] ip6_route_info_create+0xf18/0x17d0 [13284.655777][ T7704] addrconf_f6i_alloc+0x315/0x560 [13284.655777][ T7704] ipv6_add_addr+0x411/0x2000 [13284.655777][ T7704] inet6_addr_add+0x30e/0xa40 [13284.655777][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13284.655777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13284.655777][ T7704] netlink_rcv_skb+0x130/0x360 [13284.655777][ T7704] netlink_unicast+0x449/0x710 [13284.655777][ T7704] netlink_sendmsg+0x723/0xbe0 [13284.655777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13284.655777][ T7704] ___sys_sendmsg+0xee/0x170 [13284.655777][ T7704] __sys_sendmsg+0xcd/0x170 [13284.655777][ T7704] do_syscall_64+0xc6/0x1e0 [13284.655777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13284.655777][ T7704] [13284.658234][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13284.658234][ T7704] netdev_get_by_index+0x5e/0x80 [13284.658234][ T7704] fib6_nh_init+0x3d8/0x15b0 [13284.658234][ T7704] ip6_route_info_create+0xf18/0x17d0 [13284.658234][ T7704] ip6_route_add+0x1c/0x140 [13284.658234][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13284.658234][ T7704] addrconf_add_dev+0xe2/0x170 [13284.658234][ T7704] inet6_addr_add+0x12f/0xa40 [13284.658234][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13284.658234][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13284.658234][ T7704] netlink_rcv_skb+0x130/0x360 [13284.658234][ T7704] netlink_unicast+0x449/0x710 [13284.658234][ T7704] netlink_sendmsg+0x723/0xbe0 [13284.658234][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13284.658234][ T7704] ___sys_sendmsg+0xee/0x170 [13284.658234][ T7704] __sys_sendmsg+0xcd/0x170 [13284.658234][ T7704] do_syscall_64+0xc6/0x1e0 [13284.658234][ T7704] [13284.660662][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13284.660662][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13284.660662][ T7704] ipv6_find_idev+0x102/0x170 [13284.660662][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13284.660662][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13284.660662][ T7704] netlink_rcv_skb+0x130/0x360 [13284.660662][ T7704] netlink_unicast+0x449/0x710 [13284.660662][ T7704] netlink_sendmsg+0x723/0xbe0 [13284.660662][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13284.660662][ T7704] ___sys_sendmsg+0xee/0x170 [13284.660662][ T7704] __sys_sendmsg+0xcd/0x170 [13284.660662][ T7704] do_syscall_64+0xc6/0x1e0 [13284.660662][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13284.660662][ T7704] [13284.662538][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13284.662538][ T7704] neigh_parms_alloc+0x1e5/0x510 [13284.662538][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13284.662538][ T7704] ipv6_find_idev+0x102/0x170 [13284.662538][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13284.662538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13284.662538][ T7704] netlink_rcv_skb+0x130/0x360 [13284.662538][ T7704] netlink_unicast+0x449/0x710 [13284.662538][ T7704] netlink_sendmsg+0x723/0xbe0 [13284.662538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13284.662538][ T7704] ___sys_sendmsg+0xee/0x170 [13284.662538][ T7704] __sys_sendmsg+0xcd/0x170 [13284.662538][ T7704] do_syscall_64+0xc6/0x1e0 [13284.662538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13284.662538][ T7704] [13294.900872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13294.901511][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13294.901511][ T7704] netdev_get_by_index+0x5e/0x80 [13294.901511][ T7704] fib6_nh_init+0x3d8/0x15b0 [13294.901511][ T7704] ip6_route_info_create+0xf18/0x17d0 [13294.901511][ T7704] ip6_route_add+0x1c/0x140 [13294.901511][ T7704] addrconf_prefix_route+0x2a6/0x430 [13294.901511][ T7704] inet6_addr_add+0x4f8/0xa40 [13294.901511][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13294.901511][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13294.901511][ T7704] netlink_rcv_skb+0x130/0x360 [13294.901511][ T7704] netlink_unicast+0x449/0x710 [13294.901511][ T7704] netlink_sendmsg+0x723/0xbe0 [13294.901511][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13294.901511][ T7704] ___sys_sendmsg+0xee/0x170 [13294.901511][ T7704] __sys_sendmsg+0xcd/0x170 [13294.901511][ T7704] do_syscall_64+0xc6/0x1e0 [13294.901511][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13294.901511][ T7704] [13294.905149][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13294.905149][ T7704] netdev_get_by_index+0x5e/0x80 [13294.905149][ T7704] fib6_nh_init+0x3d8/0x15b0 [13294.905149][ T7704] ip6_route_info_create+0xf18/0x17d0 [13294.905149][ T7704] addrconf_f6i_alloc+0x315/0x560 [13294.905149][ T7704] ipv6_add_addr+0x411/0x2000 [13294.905149][ T7704] inet6_addr_add+0x30e/0xa40 [13294.905149][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13294.905149][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13294.905149][ T7704] netlink_rcv_skb+0x130/0x360 [13294.905149][ T7704] netlink_unicast+0x449/0x710 [13294.905149][ T7704] netlink_sendmsg+0x723/0xbe0 [13294.905149][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13294.905149][ T7704] ___sys_sendmsg+0xee/0x170 [13294.905149][ T7704] __sys_sendmsg+0xcd/0x170 [13294.905149][ T7704] do_syscall_64+0xc6/0x1e0 [13294.905149][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13294.905149][ T7704] [13294.908572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13294.908572][ T7704] netdev_get_by_index+0x5e/0x80 [13294.908572][ T7704] fib6_nh_init+0x3d8/0x15b0 [13294.908572][ T7704] ip6_route_info_create+0xf18/0x17d0 [13294.908572][ T7704] ip6_route_add+0x1c/0x140 [13294.908572][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13294.908572][ T7704] addrconf_add_dev+0xe2/0x170 [13294.908572][ T7704] inet6_addr_add+0x12f/0xa40 [13294.908572][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13294.908572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13294.908572][ T7704] netlink_rcv_skb+0x130/0x360 [13294.908572][ T7704] netlink_unicast+0x449/0x710 [13294.908572][ T7704] netlink_sendmsg+0x723/0xbe0 [13294.908572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13294.908572][ T7704] ___sys_sendmsg+0xee/0x170 [13294.908572][ T7704] __sys_sendmsg+0xcd/0x170 [13294.908572][ T7704] do_syscall_64+0xc6/0x1e0 [13294.908572][ T7704] [13294.912113][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13294.912113][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13294.912113][ T7704] ipv6_find_idev+0x102/0x170 [13294.912113][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13294.912113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13294.912113][ T7704] netlink_rcv_skb+0x130/0x360 [13294.912113][ T7704] netlink_unicast+0x449/0x710 [13294.912113][ T7704] netlink_sendmsg+0x723/0xbe0 [13294.912113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13294.912113][ T7704] ___sys_sendmsg+0xee/0x170 [13294.912113][ T7704] __sys_sendmsg+0xcd/0x170 [13294.912113][ T7704] do_syscall_64+0xc6/0x1e0 [13294.912113][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13294.912113][ T7704] [13294.914971][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13294.914971][ T7704] neigh_parms_alloc+0x1e5/0x510 [13294.914971][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13294.914971][ T7704] ipv6_find_idev+0x102/0x170 [13294.914971][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13294.914971][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13294.914971][ T7704] netlink_rcv_skb+0x130/0x360 [13294.914971][ T7704] netlink_unicast+0x449/0x710 [13294.914971][ T7704] netlink_sendmsg+0x723/0xbe0 [13294.914971][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13294.914971][ T7704] ___sys_sendmsg+0xee/0x170 [13294.914971][ T7704] __sys_sendmsg+0xcd/0x170 [13294.914971][ T7704] do_syscall_64+0xc6/0x1e0 [13294.914971][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13294.914971][ T7704] [13304.940869][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13304.941526][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13304.941526][ T7704] netdev_get_by_index+0x5e/0x80 [13304.941526][ T7704] fib6_nh_init+0x3d8/0x15b0 [13304.941526][ T7704] ip6_route_info_create+0xf18/0x17d0 [13304.941526][ T7704] ip6_route_add+0x1c/0x140 [13304.941526][ T7704] addrconf_prefix_route+0x2a6/0x430 [13304.941526][ T7704] inet6_addr_add+0x4f8/0xa40 [13304.941526][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13304.941526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13304.941526][ T7704] netlink_rcv_skb+0x130/0x360 [13304.941526][ T7704] netlink_unicast+0x449/0x710 [13304.941526][ T7704] netlink_sendmsg+0x723/0xbe0 [13304.941526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13304.941526][ T7704] ___sys_sendmsg+0xee/0x170 [13304.941526][ T7704] __sys_sendmsg+0xcd/0x170 [13304.941526][ T7704] do_syscall_64+0xc6/0x1e0 [13304.941526][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13304.941526][ T7704] [13304.943852][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13304.943852][ T7704] netdev_get_by_index+0x5e/0x80 [13304.943852][ T7704] fib6_nh_init+0x3d8/0x15b0 [13304.943852][ T7704] ip6_route_info_create+0xf18/0x17d0 [13304.943852][ T7704] addrconf_f6i_alloc+0x315/0x560 [13304.943852][ T7704] ipv6_add_addr+0x411/0x2000 [13304.943852][ T7704] inet6_addr_add+0x30e/0xa40 [13304.943852][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13304.943852][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13304.943852][ T7704] netlink_rcv_skb+0x130/0x360 [13304.943852][ T7704] netlink_unicast+0x449/0x710 [13304.943852][ T7704] netlink_sendmsg+0x723/0xbe0 [13304.943852][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13304.943852][ T7704] ___sys_sendmsg+0xee/0x170 [13304.943852][ T7704] __sys_sendmsg+0xcd/0x170 [13304.943852][ T7704] do_syscall_64+0xc6/0x1e0 [13304.943852][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13304.943852][ T7704] [13304.946144][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13304.946144][ T7704] netdev_get_by_index+0x5e/0x80 [13304.946144][ T7704] fib6_nh_init+0x3d8/0x15b0 [13304.946144][ T7704] ip6_route_info_create+0xf18/0x17d0 [13304.946144][ T7704] ip6_route_add+0x1c/0x140 [13304.946144][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13304.946144][ T7704] addrconf_add_dev+0xe2/0x170 [13304.946144][ T7704] inet6_addr_add+0x12f/0xa40 [13304.946144][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13304.946144][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13304.946144][ T7704] netlink_rcv_skb+0x130/0x360 [13304.946144][ T7704] netlink_unicast+0x449/0x710 [13304.946144][ T7704] netlink_sendmsg+0x723/0xbe0 [13304.946144][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13304.946144][ T7704] ___sys_sendmsg+0xee/0x170 [13304.946144][ T7704] __sys_sendmsg+0xcd/0x170 [13304.946144][ T7704] do_syscall_64+0xc6/0x1e0 [13304.946144][ T7704] [13304.948394][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13304.948394][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13304.948394][ T7704] ipv6_find_idev+0x102/0x170 [13304.948394][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13304.948394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13304.948394][ T7704] netlink_rcv_skb+0x130/0x360 [13304.948394][ T7704] netlink_unicast+0x449/0x710 [13304.948394][ T7704] netlink_sendmsg+0x723/0xbe0 [13304.948394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13304.948394][ T7704] ___sys_sendmsg+0xee/0x170 [13304.948394][ T7704] __sys_sendmsg+0xcd/0x170 [13304.948394][ T7704] do_syscall_64+0xc6/0x1e0 [13304.948394][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13304.948394][ T7704] [13304.950179][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13304.950179][ T7704] neigh_parms_alloc+0x1e5/0x510 [13304.950179][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13304.950179][ T7704] ipv6_find_idev+0x102/0x170 [13304.950179][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13304.950179][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13304.950179][ T7704] netlink_rcv_skb+0x130/0x360 [13304.950179][ T7704] netlink_unicast+0x449/0x710 [13304.950179][ T7704] netlink_sendmsg+0x723/0xbe0 [13304.950179][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13304.950179][ T7704] ___sys_sendmsg+0xee/0x170 [13304.950179][ T7704] __sys_sendmsg+0xcd/0x170 [13304.950179][ T7704] do_syscall_64+0xc6/0x1e0 [13304.950179][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13304.950179][ T7704] [13314.988875][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13314.989364][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13314.989364][ T7704] netdev_get_by_index+0x5e/0x80 [13314.989364][ T7704] fib6_nh_init+0x3d8/0x15b0 [13314.989364][ T7704] ip6_route_info_create+0xf18/0x17d0 [13314.989364][ T7704] ip6_route_add+0x1c/0x140 [13314.989364][ T7704] addrconf_prefix_route+0x2a6/0x430 [13314.989364][ T7704] inet6_addr_add+0x4f8/0xa40 [13314.989364][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13314.989364][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13314.989364][ T7704] netlink_rcv_skb+0x130/0x360 [13314.989364][ T7704] netlink_unicast+0x449/0x710 [13314.989364][ T7704] netlink_sendmsg+0x723/0xbe0 [13314.989364][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13314.989364][ T7704] ___sys_sendmsg+0xee/0x170 [13314.989364][ T7704] __sys_sendmsg+0xcd/0x170 [13314.989364][ T7704] do_syscall_64+0xc6/0x1e0 [13314.989364][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13314.989364][ T7704] [13314.991667][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13314.991667][ T7704] netdev_get_by_index+0x5e/0x80 [13314.991667][ T7704] fib6_nh_init+0x3d8/0x15b0 [13314.991667][ T7704] ip6_route_info_create+0xf18/0x17d0 [13314.991667][ T7704] addrconf_f6i_alloc+0x315/0x560 [13314.991667][ T7704] ipv6_add_addr+0x411/0x2000 [13314.991667][ T7704] inet6_addr_add+0x30e/0xa40 [13314.991667][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13314.991667][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13314.991667][ T7704] netlink_rcv_skb+0x130/0x360 [13314.991667][ T7704] netlink_unicast+0x449/0x710 [13314.991667][ T7704] netlink_sendmsg+0x723/0xbe0 [13314.991667][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13314.991667][ T7704] ___sys_sendmsg+0xee/0x170 [13314.991667][ T7704] __sys_sendmsg+0xcd/0x170 [13314.991667][ T7704] do_syscall_64+0xc6/0x1e0 [13314.991667][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13314.991667][ T7704] [13314.993978][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13314.993978][ T7704] netdev_get_by_index+0x5e/0x80 [13314.993978][ T7704] fib6_nh_init+0x3d8/0x15b0 [13314.993978][ T7704] ip6_route_info_create+0xf18/0x17d0 [13314.993978][ T7704] ip6_route_add+0x1c/0x140 [13314.993978][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13314.993978][ T7704] addrconf_add_dev+0xe2/0x170 [13314.993978][ T7704] inet6_addr_add+0x12f/0xa40 [13314.993978][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13314.993978][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13314.993978][ T7704] netlink_rcv_skb+0x130/0x360 [13314.993978][ T7704] netlink_unicast+0x449/0x710 [13314.993978][ T7704] netlink_sendmsg+0x723/0xbe0 [13314.993978][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13314.993978][ T7704] ___sys_sendmsg+0xee/0x170 [13314.993978][ T7704] __sys_sendmsg+0xcd/0x170 [13314.993978][ T7704] do_syscall_64+0xc6/0x1e0 [13314.993978][ T7704] [13314.996259][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13314.996259][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13314.996259][ T7704] ipv6_find_idev+0x102/0x170 [13314.996259][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13314.996259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13314.996259][ T7704] netlink_rcv_skb+0x130/0x360 [13314.996259][ T7704] netlink_unicast+0x449/0x710 [13314.996259][ T7704] netlink_sendmsg+0x723/0xbe0 [13314.996259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13314.996259][ T7704] ___sys_sendmsg+0xee/0x170 [13314.996259][ T7704] __sys_sendmsg+0xcd/0x170 [13314.996259][ T7704] do_syscall_64+0xc6/0x1e0 [13314.996259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13314.996259][ T7704] [13314.997991][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13314.997991][ T7704] neigh_parms_alloc+0x1e5/0x510 [13314.997991][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13314.997991][ T7704] ipv6_find_idev+0x102/0x170 [13314.997991][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13314.997991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13314.997991][ T7704] netlink_rcv_skb+0x130/0x360 [13314.997991][ T7704] netlink_unicast+0x449/0x710 [13314.997991][ T7704] netlink_sendmsg+0x723/0xbe0 [13314.997991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13314.997991][ T7704] ___sys_sendmsg+0xee/0x170 [13314.997991][ T7704] __sys_sendmsg+0xcd/0x170 [13314.997991][ T7704] do_syscall_64+0xc6/0x1e0 [13314.997991][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13314.997991][ T7704] [13325.100872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13325.101419][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13325.101419][ T7704] netdev_get_by_index+0x5e/0x80 [13325.101419][ T7704] fib6_nh_init+0x3d8/0x15b0 [13325.101419][ T7704] ip6_route_info_create+0xf18/0x17d0 [13325.101419][ T7704] ip6_route_add+0x1c/0x140 [13325.101419][ T7704] addrconf_prefix_route+0x2a6/0x430 [13325.101419][ T7704] inet6_addr_add+0x4f8/0xa40 [13325.101419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13325.101419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13325.101419][ T7704] netlink_rcv_skb+0x130/0x360 [13325.101419][ T7704] netlink_unicast+0x449/0x710 [13325.101419][ T7704] netlink_sendmsg+0x723/0xbe0 [13325.101419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13325.101419][ T7704] ___sys_sendmsg+0xee/0x170 [13325.101419][ T7704] __sys_sendmsg+0xcd/0x170 [13325.101419][ T7704] do_syscall_64+0xc6/0x1e0 [13325.101419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13325.101419][ T7704] [13325.103656][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13325.103656][ T7704] netdev_get_by_index+0x5e/0x80 [13325.103656][ T7704] fib6_nh_init+0x3d8/0x15b0 [13325.103656][ T7704] ip6_route_info_create+0xf18/0x17d0 [13325.103656][ T7704] addrconf_f6i_alloc+0x315/0x560 [13325.103656][ T7704] ipv6_add_addr+0x411/0x2000 [13325.103656][ T7704] inet6_addr_add+0x30e/0xa40 [13325.103656][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13325.103656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13325.103656][ T7704] netlink_rcv_skb+0x130/0x360 [13325.103656][ T7704] netlink_unicast+0x449/0x710 [13325.103656][ T7704] netlink_sendmsg+0x723/0xbe0 [13325.103656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13325.103656][ T7704] ___sys_sendmsg+0xee/0x170 [13325.103656][ T7704] __sys_sendmsg+0xcd/0x170 [13325.103656][ T7704] do_syscall_64+0xc6/0x1e0 [13325.103656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13325.103656][ T7704] [13325.106100][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13325.106100][ T7704] netdev_get_by_index+0x5e/0x80 [13325.106100][ T7704] fib6_nh_init+0x3d8/0x15b0 [13325.106100][ T7704] ip6_route_info_create+0xf18/0x17d0 [13325.106100][ T7704] ip6_route_add+0x1c/0x140 [13325.106100][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13325.106100][ T7704] addrconf_add_dev+0xe2/0x170 [13325.106100][ T7704] inet6_addr_add+0x12f/0xa40 [13325.106100][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13325.106100][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13325.106100][ T7704] netlink_rcv_skb+0x130/0x360 [13325.106100][ T7704] netlink_unicast+0x449/0x710 [13325.106100][ T7704] netlink_sendmsg+0x723/0xbe0 [13325.106100][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13325.106100][ T7704] ___sys_sendmsg+0xee/0x170 [13325.106100][ T7704] __sys_sendmsg+0xcd/0x170 [13325.106100][ T7704] do_syscall_64+0xc6/0x1e0 [13325.106100][ T7704] [13325.108428][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13325.108428][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13325.108428][ T7704] ipv6_find_idev+0x102/0x170 [13325.108428][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13325.108428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13325.108428][ T7704] netlink_rcv_skb+0x130/0x360 [13325.108428][ T7704] netlink_unicast+0x449/0x710 [13325.108428][ T7704] netlink_sendmsg+0x723/0xbe0 [13325.108428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13325.108428][ T7704] ___sys_sendmsg+0xee/0x170 [13325.108428][ T7704] __sys_sendmsg+0xcd/0x170 [13325.108428][ T7704] do_syscall_64+0xc6/0x1e0 [13325.108428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13325.108428][ T7704] [13325.110225][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13325.110225][ T7704] neigh_parms_alloc+0x1e5/0x510 [13325.110225][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13325.110225][ T7704] ipv6_find_idev+0x102/0x170 [13325.110225][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13325.110225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13325.110225][ T7704] netlink_rcv_skb+0x130/0x360 [13325.110225][ T7704] netlink_unicast+0x449/0x710 [13325.110225][ T7704] netlink_sendmsg+0x723/0xbe0 [13325.110225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13325.110225][ T7704] ___sys_sendmsg+0xee/0x170 [13325.110225][ T7704] __sys_sendmsg+0xcd/0x170 [13325.110225][ T7704] do_syscall_64+0xc6/0x1e0 [13325.110225][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13325.110225][ T7704] [13335.260830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13335.261373][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13335.261373][ T7704] netdev_get_by_index+0x5e/0x80 [13335.261373][ T7704] fib6_nh_init+0x3d8/0x15b0 [13335.261373][ T7704] ip6_route_info_create+0xf18/0x17d0 [13335.261373][ T7704] ip6_route_add+0x1c/0x140 [13335.261373][ T7704] addrconf_prefix_route+0x2a6/0x430 [13335.261373][ T7704] inet6_addr_add+0x4f8/0xa40 [13335.261373][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13335.261373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13335.261373][ T7704] netlink_rcv_skb+0x130/0x360 [13335.261373][ T7704] netlink_unicast+0x449/0x710 [13335.261373][ T7704] netlink_sendmsg+0x723/0xbe0 [13335.261373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13335.261373][ T7704] ___sys_sendmsg+0xee/0x170 [13335.261373][ T7704] __sys_sendmsg+0xcd/0x170 [13335.261373][ T7704] do_syscall_64+0xc6/0x1e0 [13335.261373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13335.261373][ T7704] [13335.263880][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13335.263880][ T7704] netdev_get_by_index+0x5e/0x80 [13335.263880][ T7704] fib6_nh_init+0x3d8/0x15b0 [13335.263880][ T7704] ip6_route_info_create+0xf18/0x17d0 [13335.263880][ T7704] addrconf_f6i_alloc+0x315/0x560 [13335.263880][ T7704] ipv6_add_addr+0x411/0x2000 [13335.263880][ T7704] inet6_addr_add+0x30e/0xa40 [13335.263880][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13335.263880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13335.263880][ T7704] netlink_rcv_skb+0x130/0x360 [13335.263880][ T7704] netlink_unicast+0x449/0x710 [13335.263880][ T7704] netlink_sendmsg+0x723/0xbe0 [13335.263880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13335.263880][ T7704] ___sys_sendmsg+0xee/0x170 [13335.263880][ T7704] __sys_sendmsg+0xcd/0x170 [13335.263880][ T7704] do_syscall_64+0xc6/0x1e0 [13335.263880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13335.263880][ T7704] [13335.266190][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13335.266190][ T7704] netdev_get_by_index+0x5e/0x80 [13335.266190][ T7704] fib6_nh_init+0x3d8/0x15b0 [13335.266190][ T7704] ip6_route_info_create+0xf18/0x17d0 [13335.266190][ T7704] ip6_route_add+0x1c/0x140 [13335.266190][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13335.266190][ T7704] addrconf_add_dev+0xe2/0x170 [13335.266190][ T7704] inet6_addr_add+0x12f/0xa40 [13335.266190][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13335.266190][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13335.266190][ T7704] netlink_rcv_skb+0x130/0x360 [13335.266190][ T7704] netlink_unicast+0x449/0x710 [13335.266190][ T7704] netlink_sendmsg+0x723/0xbe0 [13335.266190][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13335.266190][ T7704] ___sys_sendmsg+0xee/0x170 [13335.266190][ T7704] __sys_sendmsg+0xcd/0x170 [13335.266190][ T7704] do_syscall_64+0xc6/0x1e0 [13335.266190][ T7704] [13335.268581][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13335.268581][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13335.268581][ T7704] ipv6_find_idev+0x102/0x170 [13335.268581][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13335.268581][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13335.268581][ T7704] netlink_rcv_skb+0x130/0x360 [13335.268581][ T7704] netlink_unicast+0x449/0x710 [13335.268581][ T7704] netlink_sendmsg+0x723/0xbe0 [13335.268581][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13335.268581][ T7704] ___sys_sendmsg+0xee/0x170 [13335.268581][ T7704] __sys_sendmsg+0xcd/0x170 [13335.268581][ T7704] do_syscall_64+0xc6/0x1e0 [13335.268581][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13335.268581][ T7704] [13335.270314][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13335.270314][ T7704] neigh_parms_alloc+0x1e5/0x510 [13335.270314][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13335.270314][ T7704] ipv6_find_idev+0x102/0x170 [13335.270314][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13335.270314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13335.270314][ T7704] netlink_rcv_skb+0x130/0x360 [13335.270314][ T7704] netlink_unicast+0x449/0x710 [13335.270314][ T7704] netlink_sendmsg+0x723/0xbe0 [13335.270314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13335.270314][ T7704] ___sys_sendmsg+0xee/0x170 [13335.270314][ T7704] __sys_sendmsg+0xcd/0x170 [13335.270314][ T7704] do_syscall_64+0xc6/0x1e0 [13335.270314][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13335.270314][ T7704] [13345.508772][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13345.509278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13345.509278][ T7704] netdev_get_by_index+0x5e/0x80 [13345.509278][ T7704] fib6_nh_init+0x3d8/0x15b0 [13345.509278][ T7704] ip6_route_info_create+0xf18/0x17d0 [13345.509278][ T7704] ip6_route_add+0x1c/0x140 [13345.509278][ T7704] addrconf_prefix_route+0x2a6/0x430 [13345.509278][ T7704] inet6_addr_add+0x4f8/0xa40 [13345.509278][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13345.509278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13345.509278][ T7704] netlink_rcv_skb+0x130/0x360 [13345.509278][ T7704] netlink_unicast+0x449/0x710 [13345.509278][ T7704] netlink_sendmsg+0x723/0xbe0 [13345.509278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13345.509278][ T7704] ___sys_sendmsg+0xee/0x170 [13345.509278][ T7704] __sys_sendmsg+0xcd/0x170 [13345.509278][ T7704] do_syscall_64+0xc6/0x1e0 [13345.509278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13345.509278][ T7704] [13345.511707][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13345.511707][ T7704] netdev_get_by_index+0x5e/0x80 [13345.511707][ T7704] fib6_nh_init+0x3d8/0x15b0 [13345.511707][ T7704] ip6_route_info_create+0xf18/0x17d0 [13345.511707][ T7704] addrconf_f6i_alloc+0x315/0x560 [13345.511707][ T7704] ipv6_add_addr+0x411/0x2000 [13345.511707][ T7704] inet6_addr_add+0x30e/0xa40 [13345.511707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13345.511707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13345.511707][ T7704] netlink_rcv_skb+0x130/0x360 [13345.511707][ T7704] netlink_unicast+0x449/0x710 [13345.511707][ T7704] netlink_sendmsg+0x723/0xbe0 [13345.511707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13345.511707][ T7704] ___sys_sendmsg+0xee/0x170 [13345.511707][ T7704] __sys_sendmsg+0xcd/0x170 [13345.511707][ T7704] do_syscall_64+0xc6/0x1e0 [13345.511707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13345.511707][ T7704] [13345.514133][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13345.514133][ T7704] netdev_get_by_index+0x5e/0x80 [13345.514133][ T7704] fib6_nh_init+0x3d8/0x15b0 [13345.514133][ T7704] ip6_route_info_create+0xf18/0x17d0 [13345.514133][ T7704] ip6_route_add+0x1c/0x140 [13345.514133][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13345.514133][ T7704] addrconf_add_dev+0xe2/0x170 [13345.514133][ T7704] inet6_addr_add+0x12f/0xa40 [13345.514133][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13345.514133][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13345.514133][ T7704] netlink_rcv_skb+0x130/0x360 [13345.514133][ T7704] netlink_unicast+0x449/0x710 [13345.514133][ T7704] netlink_sendmsg+0x723/0xbe0 [13345.514133][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13345.514133][ T7704] ___sys_sendmsg+0xee/0x170 [13345.514133][ T7704] __sys_sendmsg+0xcd/0x170 [13345.514133][ T7704] do_syscall_64+0xc6/0x1e0 [13345.514133][ T7704] [13345.516512][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13345.516512][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13345.516512][ T7704] ipv6_find_idev+0x102/0x170 [13345.516512][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13345.516512][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13345.516512][ T7704] netlink_rcv_skb+0x130/0x360 [13345.516512][ T7704] netlink_unicast+0x449/0x710 [13345.516512][ T7704] netlink_sendmsg+0x723/0xbe0 [13345.516512][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13345.516512][ T7704] ___sys_sendmsg+0xee/0x170 [13345.516512][ T7704] __sys_sendmsg+0xcd/0x170 [13345.516512][ T7704] do_syscall_64+0xc6/0x1e0 [13345.516512][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13345.516512][ T7704] [13345.518937][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13345.518937][ T7704] neigh_parms_alloc+0x1e5/0x510 [13345.518937][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13345.518937][ T7704] ipv6_find_idev+0x102/0x170 [13345.518937][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13345.518937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13345.518937][ T7704] netlink_rcv_skb+0x130/0x360 [13345.518937][ T7704] netlink_unicast+0x449/0x710 [13345.518937][ T7704] netlink_sendmsg+0x723/0xbe0 [13345.518937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13345.518937][ T7704] ___sys_sendmsg+0xee/0x170 [13345.518937][ T7704] __sys_sendmsg+0xcd/0x170 [13345.518937][ T7704] do_syscall_64+0xc6/0x1e0 [13345.518937][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13345.518937][ T7704] [13355.588888][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13355.589423][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13355.589423][ T7704] netdev_get_by_index+0x5e/0x80 [13355.589423][ T7704] fib6_nh_init+0x3d8/0x15b0 [13355.589423][ T7704] ip6_route_info_create+0xf18/0x17d0 [13355.589423][ T7704] ip6_route_add+0x1c/0x140 [13355.589423][ T7704] addrconf_prefix_route+0x2a6/0x430 [13355.589423][ T7704] inet6_addr_add+0x4f8/0xa40 [13355.589423][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13355.589423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13355.589423][ T7704] netlink_rcv_skb+0x130/0x360 [13355.589423][ T7704] netlink_unicast+0x449/0x710 [13355.589423][ T7704] netlink_sendmsg+0x723/0xbe0 [13355.589423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13355.589423][ T7704] ___sys_sendmsg+0xee/0x170 [13355.589423][ T7704] __sys_sendmsg+0xcd/0x170 [13355.589423][ T7704] do_syscall_64+0xc6/0x1e0 [13355.589423][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13355.589423][ T7704] [13355.592207][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13355.592207][ T7704] netdev_get_by_index+0x5e/0x80 [13355.592207][ T7704] fib6_nh_init+0x3d8/0x15b0 [13355.592207][ T7704] ip6_route_info_create+0xf18/0x17d0 [13355.592207][ T7704] addrconf_f6i_alloc+0x315/0x560 [13355.592207][ T7704] ipv6_add_addr+0x411/0x2000 [13355.592207][ T7704] inet6_addr_add+0x30e/0xa40 [13355.592207][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13355.592207][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13355.592207][ T7704] netlink_rcv_skb+0x130/0x360 [13355.592207][ T7704] netlink_unicast+0x449/0x710 [13355.592207][ T7704] netlink_sendmsg+0x723/0xbe0 [13355.592207][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13355.592207][ T7704] ___sys_sendmsg+0xee/0x170 [13355.592207][ T7704] __sys_sendmsg+0xcd/0x170 [13355.592207][ T7704] do_syscall_64+0xc6/0x1e0 [13355.592207][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13355.592207][ T7704] [13355.594425][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13355.594425][ T7704] netdev_get_by_index+0x5e/0x80 [13355.594425][ T7704] fib6_nh_init+0x3d8/0x15b0 [13355.594425][ T7704] ip6_route_info_create+0xf18/0x17d0 [13355.594425][ T7704] ip6_route_add+0x1c/0x140 [13355.594425][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13355.594425][ T7704] addrconf_add_dev+0xe2/0x170 [13355.594425][ T7704] inet6_addr_add+0x12f/0xa40 [13355.594425][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13355.594425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13355.594425][ T7704] netlink_rcv_skb+0x130/0x360 [13355.594425][ T7704] netlink_unicast+0x449/0x710 [13355.594425][ T7704] netlink_sendmsg+0x723/0xbe0 [13355.594425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13355.594425][ T7704] ___sys_sendmsg+0xee/0x170 [13355.594425][ T7704] __sys_sendmsg+0xcd/0x170 [13355.594425][ T7704] do_syscall_64+0xc6/0x1e0 [13355.594425][ T7704] [13355.596599][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13355.596599][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13355.596599][ T7704] ipv6_find_idev+0x102/0x170 [13355.596599][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13355.596599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13355.596599][ T7704] netlink_rcv_skb+0x130/0x360 [13355.596599][ T7704] netlink_unicast+0x449/0x710 [13355.596599][ T7704] netlink_sendmsg+0x723/0xbe0 [13355.596599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13355.596599][ T7704] ___sys_sendmsg+0xee/0x170 [13355.596599][ T7704] __sys_sendmsg+0xcd/0x170 [13355.596599][ T7704] do_syscall_64+0xc6/0x1e0 [13355.596599][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13355.596599][ T7704] [13355.598299][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13355.598299][ T7704] neigh_parms_alloc+0x1e5/0x510 [13355.598299][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13355.598299][ T7704] ipv6_find_idev+0x102/0x170 [13355.598299][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13355.598299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13355.598299][ T7704] netlink_rcv_skb+0x130/0x360 [13355.598299][ T7704] netlink_unicast+0x449/0x710 [13355.598299][ T7704] netlink_sendmsg+0x723/0xbe0 [13355.598299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13355.598299][ T7704] ___sys_sendmsg+0xee/0x170 [13355.598299][ T7704] __sys_sendmsg+0xcd/0x170 [13355.598299][ T7704] do_syscall_64+0xc6/0x1e0 [13355.598299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13355.598299][ T7704] [13365.756885][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13365.757412][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13365.757412][ T7704] netdev_get_by_index+0x5e/0x80 [13365.757412][ T7704] fib6_nh_init+0x3d8/0x15b0 [13365.757412][ T7704] ip6_route_info_create+0xf18/0x17d0 [13365.757412][ T7704] ip6_route_add+0x1c/0x140 [13365.757412][ T7704] addrconf_prefix_route+0x2a6/0x430 [13365.757412][ T7704] inet6_addr_add+0x4f8/0xa40 [13365.757412][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13365.757412][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13365.757412][ T7704] netlink_rcv_skb+0x130/0x360 [13365.757412][ T7704] netlink_unicast+0x449/0x710 [13365.757412][ T7704] netlink_sendmsg+0x723/0xbe0 [13365.757412][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13365.757412][ T7704] ___sys_sendmsg+0xee/0x170 [13365.757412][ T7704] __sys_sendmsg+0xcd/0x170 [13365.757412][ T7704] do_syscall_64+0xc6/0x1e0 [13365.757412][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13365.757412][ T7704] [13365.759677][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13365.759677][ T7704] netdev_get_by_index+0x5e/0x80 [13365.759677][ T7704] fib6_nh_init+0x3d8/0x15b0 [13365.759677][ T7704] ip6_route_info_create+0xf18/0x17d0 [13365.759677][ T7704] addrconf_f6i_alloc+0x315/0x560 [13365.759677][ T7704] ipv6_add_addr+0x411/0x2000 [13365.759677][ T7704] inet6_addr_add+0x30e/0xa40 [13365.759677][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13365.759677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13365.759677][ T7704] netlink_rcv_skb+0x130/0x360 [13365.759677][ T7704] netlink_unicast+0x449/0x710 [13365.759677][ T7704] netlink_sendmsg+0x723/0xbe0 [13365.759677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13365.759677][ T7704] ___sys_sendmsg+0xee/0x170 [13365.759677][ T7704] __sys_sendmsg+0xcd/0x170 [13365.759677][ T7704] do_syscall_64+0xc6/0x1e0 [13365.759677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13365.759677][ T7704] [13365.761884][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13365.761884][ T7704] netdev_get_by_index+0x5e/0x80 [13365.761884][ T7704] fib6_nh_init+0x3d8/0x15b0 [13365.761884][ T7704] ip6_route_info_create+0xf18/0x17d0 [13365.761884][ T7704] ip6_route_add+0x1c/0x140 [13365.761884][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13365.761884][ T7704] addrconf_add_dev+0xe2/0x170 [13365.761884][ T7704] inet6_addr_add+0x12f/0xa40 [13365.761884][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13365.761884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13365.761884][ T7704] netlink_rcv_skb+0x130/0x360 [13365.761884][ T7704] netlink_unicast+0x449/0x710 [13365.761884][ T7704] netlink_sendmsg+0x723/0xbe0 [13365.761884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13365.761884][ T7704] ___sys_sendmsg+0xee/0x170 [13365.761884][ T7704] __sys_sendmsg+0xcd/0x170 [13365.761884][ T7704] do_syscall_64+0xc6/0x1e0 [13365.761884][ T7704] [13365.764063][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13365.764063][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13365.764063][ T7704] ipv6_find_idev+0x102/0x170 [13365.764063][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13365.764063][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13365.764063][ T7704] netlink_rcv_skb+0x130/0x360 [13365.764063][ T7704] netlink_unicast+0x449/0x710 [13365.764063][ T7704] netlink_sendmsg+0x723/0xbe0 [13365.764063][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13365.764063][ T7704] ___sys_sendmsg+0xee/0x170 [13365.764063][ T7704] __sys_sendmsg+0xcd/0x170 [13365.764063][ T7704] do_syscall_64+0xc6/0x1e0 [13365.764063][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13365.764063][ T7704] [13365.765764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13365.765764][ T7704] neigh_parms_alloc+0x1e5/0x510 [13365.765764][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13365.765764][ T7704] ipv6_find_idev+0x102/0x170 [13365.765764][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13365.765764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13365.765764][ T7704] netlink_rcv_skb+0x130/0x360 [13365.765764][ T7704] netlink_unicast+0x449/0x710 [13365.765764][ T7704] netlink_sendmsg+0x723/0xbe0 [13365.765764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13365.765764][ T7704] ___sys_sendmsg+0xee/0x170 [13365.765764][ T7704] __sys_sendmsg+0xcd/0x170 [13365.765764][ T7704] do_syscall_64+0xc6/0x1e0 [13365.765764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13365.765764][ T7704] [13375.932772][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13375.933336][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13375.933336][ T7704] netdev_get_by_index+0x5e/0x80 [13375.933336][ T7704] fib6_nh_init+0x3d8/0x15b0 [13375.933336][ T7704] ip6_route_info_create+0xf18/0x17d0 [13375.933336][ T7704] ip6_route_add+0x1c/0x140 [13375.933336][ T7704] addrconf_prefix_route+0x2a6/0x430 [13375.933336][ T7704] inet6_addr_add+0x4f8/0xa40 [13375.933336][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13375.933336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13375.933336][ T7704] netlink_rcv_skb+0x130/0x360 [13375.933336][ T7704] netlink_unicast+0x449/0x710 [13375.933336][ T7704] netlink_sendmsg+0x723/0xbe0 [13375.933336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13375.933336][ T7704] ___sys_sendmsg+0xee/0x170 [13375.933336][ T7704] __sys_sendmsg+0xcd/0x170 [13375.933336][ T7704] do_syscall_64+0xc6/0x1e0 [13375.933336][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13375.933336][ T7704] [13375.935767][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13375.935767][ T7704] netdev_get_by_index+0x5e/0x80 [13375.935767][ T7704] fib6_nh_init+0x3d8/0x15b0 [13375.935767][ T7704] ip6_route_info_create+0xf18/0x17d0 [13375.935767][ T7704] addrconf_f6i_alloc+0x315/0x560 [13375.935767][ T7704] ipv6_add_addr+0x411/0x2000 [13375.935767][ T7704] inet6_addr_add+0x30e/0xa40 [13375.935767][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13375.935767][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13375.935767][ T7704] netlink_rcv_skb+0x130/0x360 [13375.935767][ T7704] netlink_unicast+0x449/0x710 [13375.935767][ T7704] netlink_sendmsg+0x723/0xbe0 [13375.935767][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13375.935767][ T7704] ___sys_sendmsg+0xee/0x170 [13375.935767][ T7704] __sys_sendmsg+0xcd/0x170 [13375.935767][ T7704] do_syscall_64+0xc6/0x1e0 [13375.935767][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13375.935767][ T7704] [13375.938054][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13375.938054][ T7704] netdev_get_by_index+0x5e/0x80 [13375.938054][ T7704] fib6_nh_init+0x3d8/0x15b0 [13375.938054][ T7704] ip6_route_info_create+0xf18/0x17d0 [13375.938054][ T7704] ip6_route_add+0x1c/0x140 [13375.938054][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13375.938054][ T7704] addrconf_add_dev+0xe2/0x170 [13375.938054][ T7704] inet6_addr_add+0x12f/0xa40 [13375.938054][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13375.938054][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13375.938054][ T7704] netlink_rcv_skb+0x130/0x360 [13375.938054][ T7704] netlink_unicast+0x449/0x710 [13375.938054][ T7704] netlink_sendmsg+0x723/0xbe0 [13375.938054][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13375.938054][ T7704] ___sys_sendmsg+0xee/0x170 [13375.938054][ T7704] __sys_sendmsg+0xcd/0x170 [13375.938054][ T7704] do_syscall_64+0xc6/0x1e0 [13375.938054][ T7704] [13375.940286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13375.940286][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13375.940286][ T7704] ipv6_find_idev+0x102/0x170 [13375.940286][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13375.940286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13375.940286][ T7704] netlink_rcv_skb+0x130/0x360 [13375.940286][ T7704] netlink_unicast+0x449/0x710 [13375.940286][ T7704] netlink_sendmsg+0x723/0xbe0 [13375.940286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13375.940286][ T7704] ___sys_sendmsg+0xee/0x170 [13375.940286][ T7704] __sys_sendmsg+0xcd/0x170 [13375.940286][ T7704] do_syscall_64+0xc6/0x1e0 [13375.940286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13375.940286][ T7704] [13375.942036][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13375.942036][ T7704] neigh_parms_alloc+0x1e5/0x510 [13375.942036][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13375.942036][ T7704] ipv6_find_idev+0x102/0x170 [13375.942036][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13375.942036][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13375.942036][ T7704] netlink_rcv_skb+0x130/0x360 [13375.942036][ T7704] netlink_unicast+0x449/0x710 [13375.942036][ T7704] netlink_sendmsg+0x723/0xbe0 [13375.942036][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13375.942036][ T7704] ___sys_sendmsg+0xee/0x170 [13375.942036][ T7704] __sys_sendmsg+0xcd/0x170 [13375.942036][ T7704] do_syscall_64+0xc6/0x1e0 [13375.942036][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13375.942036][ T7704] [13386.180881][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13386.181426][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13386.181426][ T7704] netdev_get_by_index+0x5e/0x80 [13386.181426][ T7704] fib6_nh_init+0x3d8/0x15b0 [13386.181426][ T7704] ip6_route_info_create+0xf18/0x17d0 [13386.181426][ T7704] ip6_route_add+0x1c/0x140 [13386.181426][ T7704] addrconf_prefix_route+0x2a6/0x430 [13386.181426][ T7704] inet6_addr_add+0x4f8/0xa40 [13386.181426][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13386.181426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13386.181426][ T7704] netlink_rcv_skb+0x130/0x360 [13386.181426][ T7704] netlink_unicast+0x449/0x710 [13386.181426][ T7704] netlink_sendmsg+0x723/0xbe0 [13386.181426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13386.181426][ T7704] ___sys_sendmsg+0xee/0x170 [13386.181426][ T7704] __sys_sendmsg+0xcd/0x170 [13386.181426][ T7704] do_syscall_64+0xc6/0x1e0 [13386.181426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13386.181426][ T7704] [13386.183717][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13386.183717][ T7704] netdev_get_by_index+0x5e/0x80 [13386.183717][ T7704] fib6_nh_init+0x3d8/0x15b0 [13386.183717][ T7704] ip6_route_info_create+0xf18/0x17d0 [13386.183717][ T7704] addrconf_f6i_alloc+0x315/0x560 [13386.183717][ T7704] ipv6_add_addr+0x411/0x2000 [13386.183717][ T7704] inet6_addr_add+0x30e/0xa40 [13386.183717][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13386.183717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13386.183717][ T7704] netlink_rcv_skb+0x130/0x360 [13386.183717][ T7704] netlink_unicast+0x449/0x710 [13386.183717][ T7704] netlink_sendmsg+0x723/0xbe0 [13386.183717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13386.183717][ T7704] ___sys_sendmsg+0xee/0x170 [13386.183717][ T7704] __sys_sendmsg+0xcd/0x170 [13386.183717][ T7704] do_syscall_64+0xc6/0x1e0 [13386.183717][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13386.183717][ T7704] [13386.185995][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13386.185995][ T7704] netdev_get_by_index+0x5e/0x80 [13386.185995][ T7704] fib6_nh_init+0x3d8/0x15b0 [13386.185995][ T7704] ip6_route_info_create+0xf18/0x17d0 [13386.185995][ T7704] ip6_route_add+0x1c/0x140 [13386.185995][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13386.185995][ T7704] addrconf_add_dev+0xe2/0x170 [13386.185995][ T7704] inet6_addr_add+0x12f/0xa40 [13386.185995][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13386.185995][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13386.185995][ T7704] netlink_rcv_skb+0x130/0x360 [13386.185995][ T7704] netlink_unicast+0x449/0x710 [13386.185995][ T7704] netlink_sendmsg+0x723/0xbe0 [13386.185995][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13386.185995][ T7704] ___sys_sendmsg+0xee/0x170 [13386.185995][ T7704] __sys_sendmsg+0xcd/0x170 [13386.185995][ T7704] do_syscall_64+0xc6/0x1e0 [13386.185995][ T7704] [13386.188216][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13386.188216][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13386.188216][ T7704] ipv6_find_idev+0x102/0x170 [13386.188216][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13386.188216][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13386.188216][ T7704] netlink_rcv_skb+0x130/0x360 [13386.188216][ T7704] netlink_unicast+0x449/0x710 [13386.188216][ T7704] netlink_sendmsg+0x723/0xbe0 [13386.188216][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13386.188216][ T7704] ___sys_sendmsg+0xee/0x170 [13386.188216][ T7704] __sys_sendmsg+0xcd/0x170 [13386.188216][ T7704] do_syscall_64+0xc6/0x1e0 [13386.188216][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13386.188216][ T7704] [13386.189969][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13386.189969][ T7704] neigh_parms_alloc+0x1e5/0x510 [13386.189969][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13386.189969][ T7704] ipv6_find_idev+0x102/0x170 [13386.189969][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13386.189969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13386.189969][ T7704] netlink_rcv_skb+0x130/0x360 [13386.189969][ T7704] netlink_unicast+0x449/0x710 [13386.189969][ T7704] netlink_sendmsg+0x723/0xbe0 [13386.189969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13386.189969][ T7704] ___sys_sendmsg+0xee/0x170 [13386.189969][ T7704] __sys_sendmsg+0xcd/0x170 [13386.189969][ T7704] do_syscall_64+0xc6/0x1e0 [13386.189969][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13386.189969][ T7704] [13396.348756][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13396.349230][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13396.349230][ T7704] netdev_get_by_index+0x5e/0x80 [13396.349230][ T7704] fib6_nh_init+0x3d8/0x15b0 [13396.349230][ T7704] ip6_route_info_create+0xf18/0x17d0 [13396.349230][ T7704] ip6_route_add+0x1c/0x140 [13396.349230][ T7704] addrconf_prefix_route+0x2a6/0x430 [13396.349230][ T7704] inet6_addr_add+0x4f8/0xa40 [13396.349230][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13396.349230][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13396.349230][ T7704] netlink_rcv_skb+0x130/0x360 [13396.349230][ T7704] netlink_unicast+0x449/0x710 [13396.349230][ T7704] netlink_sendmsg+0x723/0xbe0 [13396.349230][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13396.349230][ T7704] ___sys_sendmsg+0xee/0x170 [13396.349230][ T7704] __sys_sendmsg+0xcd/0x170 [13396.349230][ T7704] do_syscall_64+0xc6/0x1e0 [13396.349230][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13396.349230][ T7704] [13396.351506][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13396.351506][ T7704] netdev_get_by_index+0x5e/0x80 [13396.351506][ T7704] fib6_nh_init+0x3d8/0x15b0 [13396.351506][ T7704] ip6_route_info_create+0xf18/0x17d0 [13396.351506][ T7704] addrconf_f6i_alloc+0x315/0x560 [13396.351506][ T7704] ipv6_add_addr+0x411/0x2000 [13396.351506][ T7704] inet6_addr_add+0x30e/0xa40 [13396.351506][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13396.351506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13396.351506][ T7704] netlink_rcv_skb+0x130/0x360 [13396.351506][ T7704] netlink_unicast+0x449/0x710 [13396.351506][ T7704] netlink_sendmsg+0x723/0xbe0 [13396.351506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13396.351506][ T7704] ___sys_sendmsg+0xee/0x170 [13396.351506][ T7704] __sys_sendmsg+0xcd/0x170 [13396.351506][ T7704] do_syscall_64+0xc6/0x1e0 [13396.351506][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13396.351506][ T7704] [13396.353763][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13396.353763][ T7704] netdev_get_by_index+0x5e/0x80 [13396.353763][ T7704] fib6_nh_init+0x3d8/0x15b0 [13396.353763][ T7704] ip6_route_info_create+0xf18/0x17d0 [13396.353763][ T7704] ip6_route_add+0x1c/0x140 [13396.353763][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13396.353763][ T7704] addrconf_add_dev+0xe2/0x170 [13396.353763][ T7704] inet6_addr_add+0x12f/0xa40 [13396.353763][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13396.353763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13396.353763][ T7704] netlink_rcv_skb+0x130/0x360 [13396.353763][ T7704] netlink_unicast+0x449/0x710 [13396.353763][ T7704] netlink_sendmsg+0x723/0xbe0 [13396.353763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13396.353763][ T7704] ___sys_sendmsg+0xee/0x170 [13396.353763][ T7704] __sys_sendmsg+0xcd/0x170 [13396.353763][ T7704] do_syscall_64+0xc6/0x1e0 [13396.353763][ T7704] [13396.355998][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13396.355998][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13396.355998][ T7704] ipv6_find_idev+0x102/0x170 [13396.355998][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13396.355998][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13396.355998][ T7704] netlink_rcv_skb+0x130/0x360 [13396.355998][ T7704] netlink_unicast+0x449/0x710 [13396.355998][ T7704] netlink_sendmsg+0x723/0xbe0 [13396.355998][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13396.355998][ T7704] ___sys_sendmsg+0xee/0x170 [13396.355998][ T7704] __sys_sendmsg+0xcd/0x170 [13396.355998][ T7704] do_syscall_64+0xc6/0x1e0 [13396.355998][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13396.355998][ T7704] [13396.357736][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13396.357736][ T7704] neigh_parms_alloc+0x1e5/0x510 [13396.357736][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13396.357736][ T7704] ipv6_find_idev+0x102/0x170 [13396.357736][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13396.357736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13396.357736][ T7704] netlink_rcv_skb+0x130/0x360 [13396.357736][ T7704] netlink_unicast+0x449/0x710 [13396.357736][ T7704] netlink_sendmsg+0x723/0xbe0 [13396.357736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13396.357736][ T7704] ___sys_sendmsg+0xee/0x170 [13396.357736][ T7704] __sys_sendmsg+0xcd/0x170 [13396.357736][ T7704] do_syscall_64+0xc6/0x1e0 [13396.357736][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13396.357736][ T7704] [13406.596869][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13406.597416][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13406.597416][ T7704] netdev_get_by_index+0x5e/0x80 [13406.597416][ T7704] fib6_nh_init+0x3d8/0x15b0 [13406.597416][ T7704] ip6_route_info_create+0xf18/0x17d0 [13406.597416][ T7704] ip6_route_add+0x1c/0x140 [13406.597416][ T7704] addrconf_prefix_route+0x2a6/0x430 [13406.597416][ T7704] inet6_addr_add+0x4f8/0xa40 [13406.597416][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13406.597416][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13406.597416][ T7704] netlink_rcv_skb+0x130/0x360 [13406.597416][ T7704] netlink_unicast+0x449/0x710 [13406.597416][ T7704] netlink_sendmsg+0x723/0xbe0 [13406.597416][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13406.597416][ T7704] ___sys_sendmsg+0xee/0x170 [13406.597416][ T7704] __sys_sendmsg+0xcd/0x170 [13406.597416][ T7704] do_syscall_64+0xc6/0x1e0 [13406.597416][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13406.597416][ T7704] [13406.599732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13406.599732][ T7704] netdev_get_by_index+0x5e/0x80 [13406.599732][ T7704] fib6_nh_init+0x3d8/0x15b0 [13406.599732][ T7704] ip6_route_info_create+0xf18/0x17d0 [13406.599732][ T7704] addrconf_f6i_alloc+0x315/0x560 [13406.599732][ T7704] ipv6_add_addr+0x411/0x2000 [13406.599732][ T7704] inet6_addr_add+0x30e/0xa40 [13406.599732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13406.599732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13406.599732][ T7704] netlink_rcv_skb+0x130/0x360 [13406.599732][ T7704] netlink_unicast+0x449/0x710 [13406.599732][ T7704] netlink_sendmsg+0x723/0xbe0 [13406.599732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13406.599732][ T7704] ___sys_sendmsg+0xee/0x170 [13406.599732][ T7704] __sys_sendmsg+0xcd/0x170 [13406.599732][ T7704] do_syscall_64+0xc6/0x1e0 [13406.599732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13406.599732][ T7704] [13406.602016][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13406.602016][ T7704] netdev_get_by_index+0x5e/0x80 [13406.602016][ T7704] fib6_nh_init+0x3d8/0x15b0 [13406.602016][ T7704] ip6_route_info_create+0xf18/0x17d0 [13406.602016][ T7704] ip6_route_add+0x1c/0x140 [13406.602016][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13406.602016][ T7704] addrconf_add_dev+0xe2/0x170 [13406.602016][ T7704] inet6_addr_add+0x12f/0xa40 [13406.602016][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13406.602016][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13406.602016][ T7704] netlink_rcv_skb+0x130/0x360 [13406.602016][ T7704] netlink_unicast+0x449/0x710 [13406.602016][ T7704] netlink_sendmsg+0x723/0xbe0 [13406.602016][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13406.602016][ T7704] ___sys_sendmsg+0xee/0x170 [13406.602016][ T7704] __sys_sendmsg+0xcd/0x170 [13406.602016][ T7704] do_syscall_64+0xc6/0x1e0 [13406.602016][ T7704] [13406.604286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13406.604286][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13406.604286][ T7704] ipv6_find_idev+0x102/0x170 [13406.604286][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13406.604286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13406.604286][ T7704] netlink_rcv_skb+0x130/0x360 [13406.604286][ T7704] netlink_unicast+0x449/0x710 [13406.604286][ T7704] netlink_sendmsg+0x723/0xbe0 [13406.604286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13406.604286][ T7704] ___sys_sendmsg+0xee/0x170 [13406.604286][ T7704] __sys_sendmsg+0xcd/0x170 [13406.604286][ T7704] do_syscall_64+0xc6/0x1e0 [13406.604286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13406.604286][ T7704] [13406.606035][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13406.606035][ T7704] neigh_parms_alloc+0x1e5/0x510 [13406.606035][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13406.606035][ T7704] ipv6_find_idev+0x102/0x170 [13406.606035][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13406.606035][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13406.606035][ T7704] netlink_rcv_skb+0x130/0x360 [13406.606035][ T7704] netlink_unicast+0x449/0x710 [13406.606035][ T7704] netlink_sendmsg+0x723/0xbe0 [13406.606035][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13406.606035][ T7704] ___sys_sendmsg+0xee/0x170 [13406.606035][ T7704] __sys_sendmsg+0xcd/0x170 [13406.606035][ T7704] do_syscall_64+0xc6/0x1e0 [13406.606035][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13406.606035][ T7704] [13416.844795][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13416.845499][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13416.845499][ T7704] netdev_get_by_index+0x5e/0x80 [13416.845499][ T7704] fib6_nh_init+0x3d8/0x15b0 [13416.845499][ T7704] ip6_route_info_create+0xf18/0x17d0 [13416.845499][ T7704] ip6_route_add+0x1c/0x140 [13416.845499][ T7704] addrconf_prefix_route+0x2a6/0x430 [13416.845499][ T7704] inet6_addr_add+0x4f8/0xa40 [13416.845499][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13416.845499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13416.845499][ T7704] netlink_rcv_skb+0x130/0x360 [13416.845499][ T7704] netlink_unicast+0x449/0x710 [13416.845499][ T7704] netlink_sendmsg+0x723/0xbe0 [13416.845499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13416.845499][ T7704] ___sys_sendmsg+0xee/0x170 [13416.845499][ T7704] __sys_sendmsg+0xcd/0x170 [13416.845499][ T7704] do_syscall_64+0xc6/0x1e0 [13416.845499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13416.845499][ T7704] [13416.849427][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13416.849427][ T7704] netdev_get_by_index+0x5e/0x80 [13416.849427][ T7704] fib6_nh_init+0x3d8/0x15b0 [13416.849427][ T7704] ip6_route_info_create+0xf18/0x17d0 [13416.849427][ T7704] addrconf_f6i_alloc+0x315/0x560 [13416.849427][ T7704] ipv6_add_addr+0x411/0x2000 [13416.849427][ T7704] inet6_addr_add+0x30e/0xa40 [13416.849427][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13416.849427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13416.849427][ T7704] netlink_rcv_skb+0x130/0x360 [13416.849427][ T7704] netlink_unicast+0x449/0x710 [13416.849427][ T7704] netlink_sendmsg+0x723/0xbe0 [13416.849427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13416.849427][ T7704] ___sys_sendmsg+0xee/0x170 [13416.849427][ T7704] __sys_sendmsg+0xcd/0x170 [13416.849427][ T7704] do_syscall_64+0xc6/0x1e0 [13416.849427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13416.849427][ T7704] [13416.853278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13416.853278][ T7704] netdev_get_by_index+0x5e/0x80 [13416.853278][ T7704] fib6_nh_init+0x3d8/0x15b0 [13416.853278][ T7704] ip6_route_info_create+0xf18/0x17d0 [13416.853278][ T7704] ip6_route_add+0x1c/0x140 [13416.853278][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13416.853278][ T7704] addrconf_add_dev+0xe2/0x170 [13416.853278][ T7704] inet6_addr_add+0x12f/0xa40 [13416.853278][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13416.853278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13416.853278][ T7704] netlink_rcv_skb+0x130/0x360 [13416.853278][ T7704] netlink_unicast+0x449/0x710 [13416.853278][ T7704] netlink_sendmsg+0x723/0xbe0 [13416.853278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13416.853278][ T7704] ___sys_sendmsg+0xee/0x170 [13416.853278][ T7704] __sys_sendmsg+0xcd/0x170 [13416.853278][ T7704] do_syscall_64+0xc6/0x1e0 [13416.853278][ T7704] [13416.857010][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13416.857010][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13416.857010][ T7704] ipv6_find_idev+0x102/0x170 [13416.857010][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13416.857010][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13416.857010][ T7704] netlink_rcv_skb+0x130/0x360 [13416.857010][ T7704] netlink_unicast+0x449/0x710 [13416.857010][ T7704] netlink_sendmsg+0x723/0xbe0 [13416.857010][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13416.857010][ T7704] ___sys_sendmsg+0xee/0x170 [13416.857010][ T7704] __sys_sendmsg+0xcd/0x170 [13416.857010][ T7704] do_syscall_64+0xc6/0x1e0 [13416.857010][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13416.857010][ T7704] [13416.859947][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13416.859947][ T7704] neigh_parms_alloc+0x1e5/0x510 [13416.859947][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13416.859947][ T7704] ipv6_find_idev+0x102/0x170 [13416.859947][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13416.859947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13416.859947][ T7704] netlink_rcv_skb+0x130/0x360 [13416.859947][ T7704] netlink_unicast+0x449/0x710 [13416.859947][ T7704] netlink_sendmsg+0x723/0xbe0 [13416.859947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13416.859947][ T7704] ___sys_sendmsg+0xee/0x170 [13416.859947][ T7704] __sys_sendmsg+0xcd/0x170 [13416.859947][ T7704] do_syscall_64+0xc6/0x1e0 [13416.859947][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13416.859947][ T7704] [13427.092777][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13427.093452][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13427.093452][ T7704] netdev_get_by_index+0x5e/0x80 [13427.093452][ T7704] fib6_nh_init+0x3d8/0x15b0 [13427.093452][ T7704] ip6_route_info_create+0xf18/0x17d0 [13427.093452][ T7704] ip6_route_add+0x1c/0x140 [13427.093452][ T7704] addrconf_prefix_route+0x2a6/0x430 [13427.093452][ T7704] inet6_addr_add+0x4f8/0xa40 [13427.093452][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13427.093452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13427.093452][ T7704] netlink_rcv_skb+0x130/0x360 [13427.093452][ T7704] netlink_unicast+0x449/0x710 [13427.093452][ T7704] netlink_sendmsg+0x723/0xbe0 [13427.093452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13427.093452][ T7704] ___sys_sendmsg+0xee/0x170 [13427.093452][ T7704] __sys_sendmsg+0xcd/0x170 [13427.093452][ T7704] do_syscall_64+0xc6/0x1e0 [13427.093452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13427.093452][ T7704] [13427.097343][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13427.097343][ T7704] netdev_get_by_index+0x5e/0x80 [13427.097343][ T7704] fib6_nh_init+0x3d8/0x15b0 [13427.097343][ T7704] ip6_route_info_create+0xf18/0x17d0 [13427.097343][ T7704] addrconf_f6i_alloc+0x315/0x560 [13427.097343][ T7704] ipv6_add_addr+0x411/0x2000 [13427.097343][ T7704] inet6_addr_add+0x30e/0xa40 [13427.097343][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13427.097343][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13427.097343][ T7704] netlink_rcv_skb+0x130/0x360 [13427.097343][ T7704] netlink_unicast+0x449/0x710 [13427.097343][ T7704] netlink_sendmsg+0x723/0xbe0 [13427.097343][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13427.097343][ T7704] ___sys_sendmsg+0xee/0x170 [13427.097343][ T7704] __sys_sendmsg+0xcd/0x170 [13427.097343][ T7704] do_syscall_64+0xc6/0x1e0 [13427.097343][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13427.097343][ T7704] [13427.101215][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13427.101215][ T7704] netdev_get_by_index+0x5e/0x80 [13427.101215][ T7704] fib6_nh_init+0x3d8/0x15b0 [13427.101215][ T7704] ip6_route_info_create+0xf18/0x17d0 [13427.101215][ T7704] ip6_route_add+0x1c/0x140 [13427.101215][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13427.101215][ T7704] addrconf_add_dev+0xe2/0x170 [13427.101215][ T7704] inet6_addr_add+0x12f/0xa40 [13427.101215][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13427.101215][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13427.101215][ T7704] netlink_rcv_skb+0x130/0x360 [13427.101215][ T7704] netlink_unicast+0x449/0x710 [13427.101215][ T7704] netlink_sendmsg+0x723/0xbe0 [13427.101215][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13427.101215][ T7704] ___sys_sendmsg+0xee/0x170 [13427.101215][ T7704] __sys_sendmsg+0xcd/0x170 [13427.101215][ T7704] do_syscall_64+0xc6/0x1e0 [13427.101215][ T7704] [13427.104977][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13427.104977][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13427.104977][ T7704] ipv6_find_idev+0x102/0x170 [13427.104977][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13427.104977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13427.104977][ T7704] netlink_rcv_skb+0x130/0x360 [13427.104977][ T7704] netlink_unicast+0x449/0x710 [13427.104977][ T7704] netlink_sendmsg+0x723/0xbe0 [13427.104977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13427.104977][ T7704] ___sys_sendmsg+0xee/0x170 [13427.104977][ T7704] __sys_sendmsg+0xcd/0x170 [13427.104977][ T7704] do_syscall_64+0xc6/0x1e0 [13427.104977][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13427.104977][ T7704] [13427.107854][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13427.107854][ T7704] neigh_parms_alloc+0x1e5/0x510 [13427.107854][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13427.107854][ T7704] ipv6_find_idev+0x102/0x170 [13427.107854][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13427.107854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13427.107854][ T7704] netlink_rcv_skb+0x130/0x360 [13427.107854][ T7704] netlink_unicast+0x449/0x710 [13427.107854][ T7704] netlink_sendmsg+0x723/0xbe0 [13427.107854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13427.107854][ T7704] ___sys_sendmsg+0xee/0x170 [13427.107854][ T7704] __sys_sendmsg+0xcd/0x170 [13427.107854][ T7704] do_syscall_64+0xc6/0x1e0 [13427.107854][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13427.107854][ T7704] [13437.284890][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13437.285491][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13437.285491][ T7704] netdev_get_by_index+0x5e/0x80 [13437.285491][ T7704] fib6_nh_init+0x3d8/0x15b0 [13437.285491][ T7704] ip6_route_info_create+0xf18/0x17d0 [13437.285491][ T7704] ip6_route_add+0x1c/0x140 [13437.285491][ T7704] addrconf_prefix_route+0x2a6/0x430 [13437.285491][ T7704] inet6_addr_add+0x4f8/0xa40 [13437.285491][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13437.285491][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13437.285491][ T7704] netlink_rcv_skb+0x130/0x360 [13437.285491][ T7704] netlink_unicast+0x449/0x710 [13437.285491][ T7704] netlink_sendmsg+0x723/0xbe0 [13437.285491][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13437.285491][ T7704] ___sys_sendmsg+0xee/0x170 [13437.285491][ T7704] __sys_sendmsg+0xcd/0x170 [13437.285491][ T7704] do_syscall_64+0xc6/0x1e0 [13437.285491][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13437.285491][ T7704] [13437.288504][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13437.288504][ T7704] netdev_get_by_index+0x5e/0x80 [13437.288504][ T7704] fib6_nh_init+0x3d8/0x15b0 [13437.288504][ T7704] ip6_route_info_create+0xf18/0x17d0 [13437.288504][ T7704] addrconf_f6i_alloc+0x315/0x560 [13437.288504][ T7704] ipv6_add_addr+0x411/0x2000 [13437.288504][ T7704] inet6_addr_add+0x30e/0xa40 [13437.288504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13437.288504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13437.288504][ T7704] netlink_rcv_skb+0x130/0x360 [13437.288504][ T7704] netlink_unicast+0x449/0x710 [13437.288504][ T7704] netlink_sendmsg+0x723/0xbe0 [13437.288504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13437.288504][ T7704] ___sys_sendmsg+0xee/0x170 [13437.288504][ T7704] __sys_sendmsg+0xcd/0x170 [13437.288504][ T7704] do_syscall_64+0xc6/0x1e0 [13437.288504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13437.288504][ T7704] [13437.290927][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13437.290927][ T7704] netdev_get_by_index+0x5e/0x80 [13437.290927][ T7704] fib6_nh_init+0x3d8/0x15b0 [13437.290927][ T7704] ip6_route_info_create+0xf18/0x17d0 [13437.290927][ T7704] ip6_route_add+0x1c/0x140 [13437.290927][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13437.290927][ T7704] addrconf_add_dev+0xe2/0x170 [13437.290927][ T7704] inet6_addr_add+0x12f/0xa40 [13437.290927][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13437.290927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13437.290927][ T7704] netlink_rcv_skb+0x130/0x360 [13437.290927][ T7704] netlink_unicast+0x449/0x710 [13437.290927][ T7704] netlink_sendmsg+0x723/0xbe0 [13437.290927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13437.290927][ T7704] ___sys_sendmsg+0xee/0x170 [13437.290927][ T7704] __sys_sendmsg+0xcd/0x170 [13437.290927][ T7704] do_syscall_64+0xc6/0x1e0 [13437.290927][ T7704] [13437.293220][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13437.293220][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13437.293220][ T7704] ipv6_find_idev+0x102/0x170 [13437.293220][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13437.293220][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13437.293220][ T7704] netlink_rcv_skb+0x130/0x360 [13437.293220][ T7704] netlink_unicast+0x449/0x710 [13437.293220][ T7704] netlink_sendmsg+0x723/0xbe0 [13437.293220][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13437.293220][ T7704] ___sys_sendmsg+0xee/0x170 [13437.293220][ T7704] __sys_sendmsg+0xcd/0x170 [13437.293220][ T7704] do_syscall_64+0xc6/0x1e0 [13437.293220][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13437.293220][ T7704] [13437.295048][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13437.295048][ T7704] neigh_parms_alloc+0x1e5/0x510 [13437.295048][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13437.295048][ T7704] ipv6_find_idev+0x102/0x170 [13437.295048][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13437.295048][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13437.295048][ T7704] netlink_rcv_skb+0x130/0x360 [13437.295048][ T7704] netlink_unicast+0x449/0x710 [13437.295048][ T7704] netlink_sendmsg+0x723/0xbe0 [13437.295048][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13437.295048][ T7704] ___sys_sendmsg+0xee/0x170 [13437.295048][ T7704] __sys_sendmsg+0xcd/0x170 [13437.295048][ T7704] do_syscall_64+0xc6/0x1e0 [13437.295048][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13437.295048][ T7704] [13447.452908][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13447.453373][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13447.453373][ T7704] netdev_get_by_index+0x5e/0x80 [13447.453373][ T7704] fib6_nh_init+0x3d8/0x15b0 [13447.453373][ T7704] ip6_route_info_create+0xf18/0x17d0 [13447.453373][ T7704] ip6_route_add+0x1c/0x140 [13447.453373][ T7704] addrconf_prefix_route+0x2a6/0x430 [13447.453373][ T7704] inet6_addr_add+0x4f8/0xa40 [13447.453373][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13447.453373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13447.453373][ T7704] netlink_rcv_skb+0x130/0x360 [13447.453373][ T7704] netlink_unicast+0x449/0x710 [13447.453373][ T7704] netlink_sendmsg+0x723/0xbe0 [13447.453373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13447.453373][ T7704] ___sys_sendmsg+0xee/0x170 [13447.453373][ T7704] __sys_sendmsg+0xcd/0x170 [13447.453373][ T7704] do_syscall_64+0xc6/0x1e0 [13447.453373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13447.453373][ T7704] [13447.455752][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13447.455752][ T7704] netdev_get_by_index+0x5e/0x80 [13447.455752][ T7704] fib6_nh_init+0x3d8/0x15b0 [13447.455752][ T7704] ip6_route_info_create+0xf18/0x17d0 [13447.455752][ T7704] addrconf_f6i_alloc+0x315/0x560 [13447.455752][ T7704] ipv6_add_addr+0x411/0x2000 [13447.455752][ T7704] inet6_addr_add+0x30e/0xa40 [13447.455752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13447.455752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13447.455752][ T7704] netlink_rcv_skb+0x130/0x360 [13447.455752][ T7704] netlink_unicast+0x449/0x710 [13447.455752][ T7704] netlink_sendmsg+0x723/0xbe0 [13447.455752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13447.455752][ T7704] ___sys_sendmsg+0xee/0x170 [13447.455752][ T7704] __sys_sendmsg+0xcd/0x170 [13447.455752][ T7704] do_syscall_64+0xc6/0x1e0 [13447.455752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13447.455752][ T7704] [13447.457960][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13447.457960][ T7704] netdev_get_by_index+0x5e/0x80 [13447.457960][ T7704] fib6_nh_init+0x3d8/0x15b0 [13447.457960][ T7704] ip6_route_info_create+0xf18/0x17d0 [13447.457960][ T7704] ip6_route_add+0x1c/0x140 [13447.457960][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13447.457960][ T7704] addrconf_add_dev+0xe2/0x170 [13447.457960][ T7704] inet6_addr_add+0x12f/0xa40 [13447.457960][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13447.457960][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13447.457960][ T7704] netlink_rcv_skb+0x130/0x360 [13447.457960][ T7704] netlink_unicast+0x449/0x710 [13447.457960][ T7704] netlink_sendmsg+0x723/0xbe0 [13447.457960][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13447.457960][ T7704] ___sys_sendmsg+0xee/0x170 [13447.457960][ T7704] __sys_sendmsg+0xcd/0x170 [13447.457960][ T7704] do_syscall_64+0xc6/0x1e0 [13447.457960][ T7704] [13447.460184][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13447.460184][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13447.460184][ T7704] ipv6_find_idev+0x102/0x170 [13447.460184][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13447.460184][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13447.460184][ T7704] netlink_rcv_skb+0x130/0x360 [13447.460184][ T7704] netlink_unicast+0x449/0x710 [13447.460184][ T7704] netlink_sendmsg+0x723/0xbe0 [13447.460184][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13447.460184][ T7704] ___sys_sendmsg+0xee/0x170 [13447.460184][ T7704] __sys_sendmsg+0xcd/0x170 [13447.460184][ T7704] do_syscall_64+0xc6/0x1e0 [13447.460184][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13447.460184][ T7704] [13447.461916][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13447.461916][ T7704] neigh_parms_alloc+0x1e5/0x510 [13447.461916][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13447.461916][ T7704] ipv6_find_idev+0x102/0x170 [13447.461916][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13447.461916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13447.461916][ T7704] netlink_rcv_skb+0x130/0x360 [13447.461916][ T7704] netlink_unicast+0x449/0x710 [13447.461916][ T7704] netlink_sendmsg+0x723/0xbe0 [13447.461916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13447.461916][ T7704] ___sys_sendmsg+0xee/0x170 [13447.461916][ T7704] __sys_sendmsg+0xcd/0x170 [13447.461916][ T7704] do_syscall_64+0xc6/0x1e0 [13447.461916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13447.461916][ T7704] [13457.692879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13457.693353][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13457.693353][ T7704] netdev_get_by_index+0x5e/0x80 [13457.693353][ T7704] fib6_nh_init+0x3d8/0x15b0 [13457.693353][ T7704] ip6_route_info_create+0xf18/0x17d0 [13457.693353][ T7704] ip6_route_add+0x1c/0x140 [13457.693353][ T7704] addrconf_prefix_route+0x2a6/0x430 [13457.693353][ T7704] inet6_addr_add+0x4f8/0xa40 [13457.693353][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13457.693353][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13457.693353][ T7704] netlink_rcv_skb+0x130/0x360 [13457.693353][ T7704] netlink_unicast+0x449/0x710 [13457.693353][ T7704] netlink_sendmsg+0x723/0xbe0 [13457.693353][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13457.693353][ T7704] ___sys_sendmsg+0xee/0x170 [13457.693353][ T7704] __sys_sendmsg+0xcd/0x170 [13457.693353][ T7704] do_syscall_64+0xc6/0x1e0 [13457.693353][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13457.693353][ T7704] [13457.695588][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13457.695588][ T7704] netdev_get_by_index+0x5e/0x80 [13457.695588][ T7704] fib6_nh_init+0x3d8/0x15b0 [13457.695588][ T7704] ip6_route_info_create+0xf18/0x17d0 [13457.695588][ T7704] addrconf_f6i_alloc+0x315/0x560 [13457.695588][ T7704] ipv6_add_addr+0x411/0x2000 [13457.695588][ T7704] inet6_addr_add+0x30e/0xa40 [13457.695588][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13457.695588][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13457.695588][ T7704] netlink_rcv_skb+0x130/0x360 [13457.695588][ T7704] netlink_unicast+0x449/0x710 [13457.695588][ T7704] netlink_sendmsg+0x723/0xbe0 [13457.695588][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13457.695588][ T7704] ___sys_sendmsg+0xee/0x170 [13457.695588][ T7704] __sys_sendmsg+0xcd/0x170 [13457.695588][ T7704] do_syscall_64+0xc6/0x1e0 [13457.695588][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13457.695588][ T7704] [13457.697820][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13457.697820][ T7704] netdev_get_by_index+0x5e/0x80 [13457.697820][ T7704] fib6_nh_init+0x3d8/0x15b0 [13457.697820][ T7704] ip6_route_info_create+0xf18/0x17d0 [13457.697820][ T7704] ip6_route_add+0x1c/0x140 [13457.697820][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13457.697820][ T7704] addrconf_add_dev+0xe2/0x170 [13457.697820][ T7704] inet6_addr_add+0x12f/0xa40 [13457.697820][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13457.697820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13457.697820][ T7704] netlink_rcv_skb+0x130/0x360 [13457.697820][ T7704] netlink_unicast+0x449/0x710 [13457.697820][ T7704] netlink_sendmsg+0x723/0xbe0 [13457.697820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13457.697820][ T7704] ___sys_sendmsg+0xee/0x170 [13457.697820][ T7704] __sys_sendmsg+0xcd/0x170 [13457.697820][ T7704] do_syscall_64+0xc6/0x1e0 [13457.697820][ T7704] [13457.700062][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13457.700062][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13457.700062][ T7704] ipv6_find_idev+0x102/0x170 [13457.700062][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13457.700062][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13457.700062][ T7704] netlink_rcv_skb+0x130/0x360 [13457.700062][ T7704] netlink_unicast+0x449/0x710 [13457.700062][ T7704] netlink_sendmsg+0x723/0xbe0 [13457.700062][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13457.700062][ T7704] ___sys_sendmsg+0xee/0x170 [13457.700062][ T7704] __sys_sendmsg+0xcd/0x170 [13457.700062][ T7704] do_syscall_64+0xc6/0x1e0 [13457.700062][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13457.700062][ T7704] [13457.701808][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13457.701808][ T7704] neigh_parms_alloc+0x1e5/0x510 [13457.701808][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13457.701808][ T7704] ipv6_find_idev+0x102/0x170 [13457.701808][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13457.701808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13457.701808][ T7704] netlink_rcv_skb+0x130/0x360 [13457.701808][ T7704] netlink_unicast+0x449/0x710 [13457.701808][ T7704] netlink_sendmsg+0x723/0xbe0 [13457.701808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13457.701808][ T7704] ___sys_sendmsg+0xee/0x170 [13457.701808][ T7704] __sys_sendmsg+0xcd/0x170 [13457.701808][ T7704] do_syscall_64+0xc6/0x1e0 [13457.701808][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13457.701808][ T7704] [13467.860899][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13467.861406][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13467.861406][ T7704] netdev_get_by_index+0x5e/0x80 [13467.861406][ T7704] fib6_nh_init+0x3d8/0x15b0 [13467.861406][ T7704] ip6_route_info_create+0xf18/0x17d0 [13467.861406][ T7704] ip6_route_add+0x1c/0x140 [13467.861406][ T7704] addrconf_prefix_route+0x2a6/0x430 [13467.861406][ T7704] inet6_addr_add+0x4f8/0xa40 [13467.861406][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13467.861406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13467.861406][ T7704] netlink_rcv_skb+0x130/0x360 [13467.861406][ T7704] netlink_unicast+0x449/0x710 [13467.861406][ T7704] netlink_sendmsg+0x723/0xbe0 [13467.861406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13467.861406][ T7704] ___sys_sendmsg+0xee/0x170 [13467.861406][ T7704] __sys_sendmsg+0xcd/0x170 [13467.861406][ T7704] do_syscall_64+0xc6/0x1e0 [13467.861406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13467.861406][ T7704] [13467.863975][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13467.863975][ T7704] netdev_get_by_index+0x5e/0x80 [13467.863975][ T7704] fib6_nh_init+0x3d8/0x15b0 [13467.863975][ T7704] ip6_route_info_create+0xf18/0x17d0 [13467.863975][ T7704] addrconf_f6i_alloc+0x315/0x560 [13467.863975][ T7704] ipv6_add_addr+0x411/0x2000 [13467.863975][ T7704] inet6_addr_add+0x30e/0xa40 [13467.863975][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13467.863975][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13467.863975][ T7704] netlink_rcv_skb+0x130/0x360 [13467.863975][ T7704] netlink_unicast+0x449/0x710 [13467.863975][ T7704] netlink_sendmsg+0x723/0xbe0 [13467.863975][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13467.863975][ T7704] ___sys_sendmsg+0xee/0x170 [13467.863975][ T7704] __sys_sendmsg+0xcd/0x170 [13467.863975][ T7704] do_syscall_64+0xc6/0x1e0 [13467.863975][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13467.863975][ T7704] [13467.866269][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13467.866269][ T7704] netdev_get_by_index+0x5e/0x80 [13467.866269][ T7704] fib6_nh_init+0x3d8/0x15b0 [13467.866269][ T7704] ip6_route_info_create+0xf18/0x17d0 [13467.866269][ T7704] ip6_route_add+0x1c/0x140 [13467.866269][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13467.866269][ T7704] addrconf_add_dev+0xe2/0x170 [13467.866269][ T7704] inet6_addr_add+0x12f/0xa40 [13467.866269][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13467.866269][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13467.866269][ T7704] netlink_rcv_skb+0x130/0x360 [13467.866269][ T7704] netlink_unicast+0x449/0x710 [13467.866269][ T7704] netlink_sendmsg+0x723/0xbe0 [13467.866269][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13467.866269][ T7704] ___sys_sendmsg+0xee/0x170 [13467.866269][ T7704] __sys_sendmsg+0xcd/0x170 [13467.866269][ T7704] do_syscall_64+0xc6/0x1e0 [13467.866269][ T7704] [13467.868593][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13467.868593][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13467.868593][ T7704] ipv6_find_idev+0x102/0x170 [13467.868593][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13467.868593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13467.868593][ T7704] netlink_rcv_skb+0x130/0x360 [13467.868593][ T7704] netlink_unicast+0x449/0x710 [13467.868593][ T7704] netlink_sendmsg+0x723/0xbe0 [13467.868593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13467.868593][ T7704] ___sys_sendmsg+0xee/0x170 [13467.868593][ T7704] __sys_sendmsg+0xcd/0x170 [13467.868593][ T7704] do_syscall_64+0xc6/0x1e0 [13467.868593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13467.868593][ T7704] [13467.870379][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13467.870379][ T7704] neigh_parms_alloc+0x1e5/0x510 [13467.870379][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13467.870379][ T7704] ipv6_find_idev+0x102/0x170 [13467.870379][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13467.870379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13467.870379][ T7704] netlink_rcv_skb+0x130/0x360 [13467.870379][ T7704] netlink_unicast+0x449/0x710 [13467.870379][ T7704] netlink_sendmsg+0x723/0xbe0 [13467.870379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13467.870379][ T7704] ___sys_sendmsg+0xee/0x170 [13467.870379][ T7704] __sys_sendmsg+0xcd/0x170 [13467.870379][ T7704] do_syscall_64+0xc6/0x1e0 [13467.870379][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13467.870379][ T7704] [13477.908807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13477.909343][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13477.909343][ T7704] netdev_get_by_index+0x5e/0x80 [13477.909343][ T7704] fib6_nh_init+0x3d8/0x15b0 [13477.909343][ T7704] ip6_route_info_create+0xf18/0x17d0 [13477.909343][ T7704] ip6_route_add+0x1c/0x140 [13477.909343][ T7704] addrconf_prefix_route+0x2a6/0x430 [13477.909343][ T7704] inet6_addr_add+0x4f8/0xa40 [13477.909343][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13477.909343][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13477.909343][ T7704] netlink_rcv_skb+0x130/0x360 [13477.909343][ T7704] netlink_unicast+0x449/0x710 [13477.909343][ T7704] netlink_sendmsg+0x723/0xbe0 [13477.909343][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13477.909343][ T7704] ___sys_sendmsg+0xee/0x170 [13477.909343][ T7704] __sys_sendmsg+0xcd/0x170 [13477.909343][ T7704] do_syscall_64+0xc6/0x1e0 [13477.909343][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13477.909343][ T7704] [13477.911611][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13477.911611][ T7704] netdev_get_by_index+0x5e/0x80 [13477.911611][ T7704] fib6_nh_init+0x3d8/0x15b0 [13477.911611][ T7704] ip6_route_info_create+0xf18/0x17d0 [13477.911611][ T7704] addrconf_f6i_alloc+0x315/0x560 [13477.911611][ T7704] ipv6_add_addr+0x411/0x2000 [13477.911611][ T7704] inet6_addr_add+0x30e/0xa40 [13477.911611][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13477.911611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13477.911611][ T7704] netlink_rcv_skb+0x130/0x360 [13477.911611][ T7704] netlink_unicast+0x449/0x710 [13477.911611][ T7704] netlink_sendmsg+0x723/0xbe0 [13477.911611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13477.911611][ T7704] ___sys_sendmsg+0xee/0x170 [13477.911611][ T7704] __sys_sendmsg+0xcd/0x170 [13477.911611][ T7704] do_syscall_64+0xc6/0x1e0 [13477.911611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13477.911611][ T7704] [13477.913864][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13477.913864][ T7704] netdev_get_by_index+0x5e/0x80 [13477.913864][ T7704] fib6_nh_init+0x3d8/0x15b0 [13477.913864][ T7704] ip6_route_info_create+0xf18/0x17d0 [13477.913864][ T7704] ip6_route_add+0x1c/0x140 [13477.913864][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13477.913864][ T7704] addrconf_add_dev+0xe2/0x170 [13477.913864][ T7704] inet6_addr_add+0x12f/0xa40 [13477.913864][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13477.913864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13477.913864][ T7704] netlink_rcv_skb+0x130/0x360 [13477.913864][ T7704] netlink_unicast+0x449/0x710 [13477.913864][ T7704] netlink_sendmsg+0x723/0xbe0 [13477.913864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13477.913864][ T7704] ___sys_sendmsg+0xee/0x170 [13477.913864][ T7704] __sys_sendmsg+0xcd/0x170 [13477.913864][ T7704] do_syscall_64+0xc6/0x1e0 [13477.913864][ T7704] [13477.916098][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13477.916098][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13477.916098][ T7704] ipv6_find_idev+0x102/0x170 [13477.916098][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13477.916098][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13477.916098][ T7704] netlink_rcv_skb+0x130/0x360 [13477.916098][ T7704] netlink_unicast+0x449/0x710 [13477.916098][ T7704] netlink_sendmsg+0x723/0xbe0 [13477.916098][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13477.916098][ T7704] ___sys_sendmsg+0xee/0x170 [13477.916098][ T7704] __sys_sendmsg+0xcd/0x170 [13477.916098][ T7704] do_syscall_64+0xc6/0x1e0 [13477.916098][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13477.916098][ T7704] [13477.917814][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13477.917814][ T7704] neigh_parms_alloc+0x1e5/0x510 [13477.917814][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13477.917814][ T7704] ipv6_find_idev+0x102/0x170 [13477.917814][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13477.917814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13477.917814][ T7704] netlink_rcv_skb+0x130/0x360 [13477.917814][ T7704] netlink_unicast+0x449/0x710 [13477.917814][ T7704] netlink_sendmsg+0x723/0xbe0 [13477.917814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13477.917814][ T7704] ___sys_sendmsg+0xee/0x170 [13477.917814][ T7704] __sys_sendmsg+0xcd/0x170 [13477.917814][ T7704] do_syscall_64+0xc6/0x1e0 [13477.917814][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13477.917814][ T7704] [13488.156875][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13488.157403][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13488.157403][ T7704] netdev_get_by_index+0x5e/0x80 [13488.157403][ T7704] fib6_nh_init+0x3d8/0x15b0 [13488.157403][ T7704] ip6_route_info_create+0xf18/0x17d0 [13488.157403][ T7704] ip6_route_add+0x1c/0x140 [13488.157403][ T7704] addrconf_prefix_route+0x2a6/0x430 [13488.157403][ T7704] inet6_addr_add+0x4f8/0xa40 [13488.157403][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13488.157403][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13488.157403][ T7704] netlink_rcv_skb+0x130/0x360 [13488.157403][ T7704] netlink_unicast+0x449/0x710 [13488.157403][ T7704] netlink_sendmsg+0x723/0xbe0 [13488.157403][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13488.157403][ T7704] ___sys_sendmsg+0xee/0x170 [13488.157403][ T7704] __sys_sendmsg+0xcd/0x170 [13488.157403][ T7704] do_syscall_64+0xc6/0x1e0 [13488.157403][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13488.157403][ T7704] [13488.159687][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13488.159687][ T7704] netdev_get_by_index+0x5e/0x80 [13488.159687][ T7704] fib6_nh_init+0x3d8/0x15b0 [13488.159687][ T7704] ip6_route_info_create+0xf18/0x17d0 [13488.159687][ T7704] addrconf_f6i_alloc+0x315/0x560 [13488.159687][ T7704] ipv6_add_addr+0x411/0x2000 [13488.159687][ T7704] inet6_addr_add+0x30e/0xa40 [13488.159687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13488.159687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13488.159687][ T7704] netlink_rcv_skb+0x130/0x360 [13488.159687][ T7704] netlink_unicast+0x449/0x710 [13488.159687][ T7704] netlink_sendmsg+0x723/0xbe0 [13488.159687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13488.159687][ T7704] ___sys_sendmsg+0xee/0x170 [13488.159687][ T7704] __sys_sendmsg+0xcd/0x170 [13488.159687][ T7704] do_syscall_64+0xc6/0x1e0 [13488.159687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13488.159687][ T7704] [13488.161910][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13488.161910][ T7704] netdev_get_by_index+0x5e/0x80 [13488.161910][ T7704] fib6_nh_init+0x3d8/0x15b0 [13488.161910][ T7704] ip6_route_info_create+0xf18/0x17d0 [13488.161910][ T7704] ip6_route_add+0x1c/0x140 [13488.161910][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13488.161910][ T7704] addrconf_add_dev+0xe2/0x170 [13488.161910][ T7704] inet6_addr_add+0x12f/0xa40 [13488.161910][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13488.161910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13488.161910][ T7704] netlink_rcv_skb+0x130/0x360 [13488.161910][ T7704] netlink_unicast+0x449/0x710 [13488.161910][ T7704] netlink_sendmsg+0x723/0xbe0 [13488.161910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13488.161910][ T7704] ___sys_sendmsg+0xee/0x170 [13488.161910][ T7704] __sys_sendmsg+0xcd/0x170 [13488.161910][ T7704] do_syscall_64+0xc6/0x1e0 [13488.161910][ T7704] [13488.164198][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13488.164198][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13488.164198][ T7704] ipv6_find_idev+0x102/0x170 [13488.164198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13488.164198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13488.164198][ T7704] netlink_rcv_skb+0x130/0x360 [13488.164198][ T7704] netlink_unicast+0x449/0x710 [13488.164198][ T7704] netlink_sendmsg+0x723/0xbe0 [13488.164198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13488.164198][ T7704] ___sys_sendmsg+0xee/0x170 [13488.164198][ T7704] __sys_sendmsg+0xcd/0x170 [13488.164198][ T7704] do_syscall_64+0xc6/0x1e0 [13488.164198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13488.164198][ T7704] [13488.165910][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13488.165910][ T7704] neigh_parms_alloc+0x1e5/0x510 [13488.165910][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13488.165910][ T7704] ipv6_find_idev+0x102/0x170 [13488.165910][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13488.165910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13488.165910][ T7704] netlink_rcv_skb+0x130/0x360 [13488.165910][ T7704] netlink_unicast+0x449/0x710 [13488.165910][ T7704] netlink_sendmsg+0x723/0xbe0 [13488.165910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13488.165910][ T7704] ___sys_sendmsg+0xee/0x170 [13488.165910][ T7704] __sys_sendmsg+0xcd/0x170 [13488.165910][ T7704] do_syscall_64+0xc6/0x1e0 [13488.165910][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13488.165910][ T7704] [13498.404848][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13498.405321][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13498.405321][ T7704] netdev_get_by_index+0x5e/0x80 [13498.405321][ T7704] fib6_nh_init+0x3d8/0x15b0 [13498.405321][ T7704] ip6_route_info_create+0xf18/0x17d0 [13498.405321][ T7704] ip6_route_add+0x1c/0x140 [13498.405321][ T7704] addrconf_prefix_route+0x2a6/0x430 [13498.405321][ T7704] inet6_addr_add+0x4f8/0xa40 [13498.405321][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13498.405321][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13498.405321][ T7704] netlink_rcv_skb+0x130/0x360 [13498.405321][ T7704] netlink_unicast+0x449/0x710 [13498.405321][ T7704] netlink_sendmsg+0x723/0xbe0 [13498.405321][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13498.405321][ T7704] ___sys_sendmsg+0xee/0x170 [13498.405321][ T7704] __sys_sendmsg+0xcd/0x170 [13498.405321][ T7704] do_syscall_64+0xc6/0x1e0 [13498.405321][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13498.405321][ T7704] [13498.407552][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13498.407552][ T7704] netdev_get_by_index+0x5e/0x80 [13498.407552][ T7704] fib6_nh_init+0x3d8/0x15b0 [13498.407552][ T7704] ip6_route_info_create+0xf18/0x17d0 [13498.407552][ T7704] addrconf_f6i_alloc+0x315/0x560 [13498.407552][ T7704] ipv6_add_addr+0x411/0x2000 [13498.407552][ T7704] inet6_addr_add+0x30e/0xa40 [13498.407552][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13498.407552][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13498.407552][ T7704] netlink_rcv_skb+0x130/0x360 [13498.407552][ T7704] netlink_unicast+0x449/0x710 [13498.407552][ T7704] netlink_sendmsg+0x723/0xbe0 [13498.407552][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13498.407552][ T7704] ___sys_sendmsg+0xee/0x170 [13498.407552][ T7704] __sys_sendmsg+0xcd/0x170 [13498.407552][ T7704] do_syscall_64+0xc6/0x1e0 [13498.407552][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13498.407552][ T7704] [13498.409797][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13498.409797][ T7704] netdev_get_by_index+0x5e/0x80 [13498.409797][ T7704] fib6_nh_init+0x3d8/0x15b0 [13498.409797][ T7704] ip6_route_info_create+0xf18/0x17d0 [13498.409797][ T7704] ip6_route_add+0x1c/0x140 [13498.409797][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13498.409797][ T7704] addrconf_add_dev+0xe2/0x170 [13498.409797][ T7704] inet6_addr_add+0x12f/0xa40 [13498.409797][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13498.409797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13498.409797][ T7704] netlink_rcv_skb+0x130/0x360 [13498.409797][ T7704] netlink_unicast+0x449/0x710 [13498.409797][ T7704] netlink_sendmsg+0x723/0xbe0 [13498.409797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13498.409797][ T7704] ___sys_sendmsg+0xee/0x170 [13498.409797][ T7704] __sys_sendmsg+0xcd/0x170 [13498.409797][ T7704] do_syscall_64+0xc6/0x1e0 [13498.409797][ T7704] [13498.411967][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13498.411967][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13498.411967][ T7704] ipv6_find_idev+0x102/0x170 [13498.411967][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13498.411967][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13498.411967][ T7704] netlink_rcv_skb+0x130/0x360 [13498.411967][ T7704] netlink_unicast+0x449/0x710 [13498.411967][ T7704] netlink_sendmsg+0x723/0xbe0 [13498.411967][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13498.411967][ T7704] ___sys_sendmsg+0xee/0x170 [13498.411967][ T7704] __sys_sendmsg+0xcd/0x170 [13498.411967][ T7704] do_syscall_64+0xc6/0x1e0 [13498.411967][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13498.411967][ T7704] [13498.413681][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13498.413681][ T7704] neigh_parms_alloc+0x1e5/0x510 [13498.413681][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13498.413681][ T7704] ipv6_find_idev+0x102/0x170 [13498.413681][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13498.413681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13498.413681][ T7704] netlink_rcv_skb+0x130/0x360 [13498.413681][ T7704] netlink_unicast+0x449/0x710 [13498.413681][ T7704] netlink_sendmsg+0x723/0xbe0 [13498.413681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13498.413681][ T7704] ___sys_sendmsg+0xee/0x170 [13498.413681][ T7704] __sys_sendmsg+0xcd/0x170 [13498.413681][ T7704] do_syscall_64+0xc6/0x1e0 [13498.413681][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13498.413681][ T7704] [13508.652865][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13508.653355][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13508.653355][ T7704] netdev_get_by_index+0x5e/0x80 [13508.653355][ T7704] fib6_nh_init+0x3d8/0x15b0 [13508.653355][ T7704] ip6_route_info_create+0xf18/0x17d0 [13508.653355][ T7704] ip6_route_add+0x1c/0x140 [13508.653355][ T7704] addrconf_prefix_route+0x2a6/0x430 [13508.653355][ T7704] inet6_addr_add+0x4f8/0xa40 [13508.653355][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13508.653355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13508.653355][ T7704] netlink_rcv_skb+0x130/0x360 [13508.653355][ T7704] netlink_unicast+0x449/0x710 [13508.653355][ T7704] netlink_sendmsg+0x723/0xbe0 [13508.653355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13508.653355][ T7704] ___sys_sendmsg+0xee/0x170 [13508.653355][ T7704] __sys_sendmsg+0xcd/0x170 [13508.653355][ T7704] do_syscall_64+0xc6/0x1e0 [13508.653355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13508.653355][ T7704] [13508.655625][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13508.655625][ T7704] netdev_get_by_index+0x5e/0x80 [13508.655625][ T7704] fib6_nh_init+0x3d8/0x15b0 [13508.655625][ T7704] ip6_route_info_create+0xf18/0x17d0 [13508.655625][ T7704] addrconf_f6i_alloc+0x315/0x560 [13508.655625][ T7704] ipv6_add_addr+0x411/0x2000 [13508.655625][ T7704] inet6_addr_add+0x30e/0xa40 [13508.655625][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13508.655625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13508.655625][ T7704] netlink_rcv_skb+0x130/0x360 [13508.655625][ T7704] netlink_unicast+0x449/0x710 [13508.655625][ T7704] netlink_sendmsg+0x723/0xbe0 [13508.655625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13508.655625][ T7704] ___sys_sendmsg+0xee/0x170 [13508.655625][ T7704] __sys_sendmsg+0xcd/0x170 [13508.655625][ T7704] do_syscall_64+0xc6/0x1e0 [13508.655625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13508.655625][ T7704] [13508.657878][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13508.657878][ T7704] netdev_get_by_index+0x5e/0x80 [13508.657878][ T7704] fib6_nh_init+0x3d8/0x15b0 [13508.657878][ T7704] ip6_route_info_create+0xf18/0x17d0 [13508.657878][ T7704] ip6_route_add+0x1c/0x140 [13508.657878][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13508.657878][ T7704] addrconf_add_dev+0xe2/0x170 [13508.657878][ T7704] inet6_addr_add+0x12f/0xa40 [13508.657878][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13508.657878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13508.657878][ T7704] netlink_rcv_skb+0x130/0x360 [13508.657878][ T7704] netlink_unicast+0x449/0x710 [13508.657878][ T7704] netlink_sendmsg+0x723/0xbe0 [13508.657878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13508.657878][ T7704] ___sys_sendmsg+0xee/0x170 [13508.657878][ T7704] __sys_sendmsg+0xcd/0x170 [13508.657878][ T7704] do_syscall_64+0xc6/0x1e0 [13508.657878][ T7704] [13508.660077][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13508.660077][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13508.660077][ T7704] ipv6_find_idev+0x102/0x170 [13508.660077][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13508.660077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13508.660077][ T7704] netlink_rcv_skb+0x130/0x360 [13508.660077][ T7704] netlink_unicast+0x449/0x710 [13508.660077][ T7704] netlink_sendmsg+0x723/0xbe0 [13508.660077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13508.660077][ T7704] ___sys_sendmsg+0xee/0x170 [13508.660077][ T7704] __sys_sendmsg+0xcd/0x170 [13508.660077][ T7704] do_syscall_64+0xc6/0x1e0 [13508.660077][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13508.660077][ T7704] [13508.661792][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13508.661792][ T7704] neigh_parms_alloc+0x1e5/0x510 [13508.661792][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13508.661792][ T7704] ipv6_find_idev+0x102/0x170 [13508.661792][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13508.661792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13508.661792][ T7704] netlink_rcv_skb+0x130/0x360 [13508.661792][ T7704] netlink_unicast+0x449/0x710 [13508.661792][ T7704] netlink_sendmsg+0x723/0xbe0 [13508.661792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13508.661792][ T7704] ___sys_sendmsg+0xee/0x170 [13508.661792][ T7704] __sys_sendmsg+0xcd/0x170 [13508.661792][ T7704] do_syscall_64+0xc6/0x1e0 [13508.661792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13508.661792][ T7704] [13518.900818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13518.901288][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13518.901288][ T7704] netdev_get_by_index+0x5e/0x80 [13518.901288][ T7704] fib6_nh_init+0x3d8/0x15b0 [13518.901288][ T7704] ip6_route_info_create+0xf18/0x17d0 [13518.901288][ T7704] ip6_route_add+0x1c/0x140 [13518.901288][ T7704] addrconf_prefix_route+0x2a6/0x430 [13518.901288][ T7704] inet6_addr_add+0x4f8/0xa40 [13518.901288][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13518.901288][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13518.901288][ T7704] netlink_rcv_skb+0x130/0x360 [13518.901288][ T7704] netlink_unicast+0x449/0x710 [13518.901288][ T7704] netlink_sendmsg+0x723/0xbe0 [13518.901288][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13518.901288][ T7704] ___sys_sendmsg+0xee/0x170 [13518.901288][ T7704] __sys_sendmsg+0xcd/0x170 [13518.901288][ T7704] do_syscall_64+0xc6/0x1e0 [13518.901288][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13518.901288][ T7704] [13518.903554][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13518.903554][ T7704] netdev_get_by_index+0x5e/0x80 [13518.903554][ T7704] fib6_nh_init+0x3d8/0x15b0 [13518.903554][ T7704] ip6_route_info_create+0xf18/0x17d0 [13518.903554][ T7704] addrconf_f6i_alloc+0x315/0x560 [13518.903554][ T7704] ipv6_add_addr+0x411/0x2000 [13518.903554][ T7704] inet6_addr_add+0x30e/0xa40 [13518.903554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13518.903554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13518.903554][ T7704] netlink_rcv_skb+0x130/0x360 [13518.903554][ T7704] netlink_unicast+0x449/0x710 [13518.903554][ T7704] netlink_sendmsg+0x723/0xbe0 [13518.903554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13518.903554][ T7704] ___sys_sendmsg+0xee/0x170 [13518.903554][ T7704] __sys_sendmsg+0xcd/0x170 [13518.903554][ T7704] do_syscall_64+0xc6/0x1e0 [13518.903554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13518.903554][ T7704] [13518.905771][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13518.905771][ T7704] netdev_get_by_index+0x5e/0x80 [13518.905771][ T7704] fib6_nh_init+0x3d8/0x15b0 [13518.905771][ T7704] ip6_route_info_create+0xf18/0x17d0 [13518.905771][ T7704] ip6_route_add+0x1c/0x140 [13518.905771][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13518.905771][ T7704] addrconf_add_dev+0xe2/0x170 [13518.905771][ T7704] inet6_addr_add+0x12f/0xa40 [13518.905771][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13518.905771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13518.905771][ T7704] netlink_rcv_skb+0x130/0x360 [13518.905771][ T7704] netlink_unicast+0x449/0x710 [13518.905771][ T7704] netlink_sendmsg+0x723/0xbe0 [13518.905771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13518.905771][ T7704] ___sys_sendmsg+0xee/0x170 [13518.905771][ T7704] __sys_sendmsg+0xcd/0x170 [13518.905771][ T7704] do_syscall_64+0xc6/0x1e0 [13518.905771][ T7704] [13518.907956][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13518.907956][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13518.907956][ T7704] ipv6_find_idev+0x102/0x170 [13518.907956][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13518.907956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13518.907956][ T7704] netlink_rcv_skb+0x130/0x360 [13518.907956][ T7704] netlink_unicast+0x449/0x710 [13518.907956][ T7704] netlink_sendmsg+0x723/0xbe0 [13518.907956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13518.907956][ T7704] ___sys_sendmsg+0xee/0x170 [13518.907956][ T7704] __sys_sendmsg+0xcd/0x170 [13518.907956][ T7704] do_syscall_64+0xc6/0x1e0 [13518.907956][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13518.907956][ T7704] [13518.909676][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13518.909676][ T7704] neigh_parms_alloc+0x1e5/0x510 [13518.909676][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13518.909676][ T7704] ipv6_find_idev+0x102/0x170 [13518.909676][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13518.909676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13518.909676][ T7704] netlink_rcv_skb+0x130/0x360 [13518.909676][ T7704] netlink_unicast+0x449/0x710 [13518.909676][ T7704] netlink_sendmsg+0x723/0xbe0 [13518.909676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13518.909676][ T7704] ___sys_sendmsg+0xee/0x170 [13518.909676][ T7704] __sys_sendmsg+0xcd/0x170 [13518.909676][ T7704] do_syscall_64+0xc6/0x1e0 [13518.909676][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13518.909676][ T7704] [13529.116872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13529.117362][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13529.117362][ T7704] netdev_get_by_index+0x5e/0x80 [13529.117362][ T7704] fib6_nh_init+0x3d8/0x15b0 [13529.117362][ T7704] ip6_route_info_create+0xf18/0x17d0 [13529.117362][ T7704] ip6_route_add+0x1c/0x140 [13529.117362][ T7704] addrconf_prefix_route+0x2a6/0x430 [13529.117362][ T7704] inet6_addr_add+0x4f8/0xa40 [13529.117362][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13529.117362][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13529.117362][ T7704] netlink_rcv_skb+0x130/0x360 [13529.117362][ T7704] netlink_unicast+0x449/0x710 [13529.117362][ T7704] netlink_sendmsg+0x723/0xbe0 [13529.117362][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13529.117362][ T7704] ___sys_sendmsg+0xee/0x170 [13529.117362][ T7704] __sys_sendmsg+0xcd/0x170 [13529.117362][ T7704] do_syscall_64+0xc6/0x1e0 [13529.117362][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13529.117362][ T7704] [13529.119628][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13529.119628][ T7704] netdev_get_by_index+0x5e/0x80 [13529.119628][ T7704] fib6_nh_init+0x3d8/0x15b0 [13529.119628][ T7704] ip6_route_info_create+0xf18/0x17d0 [13529.119628][ T7704] addrconf_f6i_alloc+0x315/0x560 [13529.119628][ T7704] ipv6_add_addr+0x411/0x2000 [13529.119628][ T7704] inet6_addr_add+0x30e/0xa40 [13529.119628][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13529.119628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13529.119628][ T7704] netlink_rcv_skb+0x130/0x360 [13529.119628][ T7704] netlink_unicast+0x449/0x710 [13529.119628][ T7704] netlink_sendmsg+0x723/0xbe0 [13529.119628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13529.119628][ T7704] ___sys_sendmsg+0xee/0x170 [13529.119628][ T7704] __sys_sendmsg+0xcd/0x170 [13529.119628][ T7704] do_syscall_64+0xc6/0x1e0 [13529.119628][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13529.119628][ T7704] [13529.121869][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13529.121869][ T7704] netdev_get_by_index+0x5e/0x80 [13529.121869][ T7704] fib6_nh_init+0x3d8/0x15b0 [13529.121869][ T7704] ip6_route_info_create+0xf18/0x17d0 [13529.121869][ T7704] ip6_route_add+0x1c/0x140 [13529.121869][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13529.121869][ T7704] addrconf_add_dev+0xe2/0x170 [13529.121869][ T7704] inet6_addr_add+0x12f/0xa40 [13529.121869][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13529.121869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13529.121869][ T7704] netlink_rcv_skb+0x130/0x360 [13529.121869][ T7704] netlink_unicast+0x449/0x710 [13529.121869][ T7704] netlink_sendmsg+0x723/0xbe0 [13529.121869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13529.121869][ T7704] ___sys_sendmsg+0xee/0x170 [13529.121869][ T7704] __sys_sendmsg+0xcd/0x170 [13529.121869][ T7704] do_syscall_64+0xc6/0x1e0 [13529.121869][ T7704] [13529.124571][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13529.124571][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13529.124571][ T7704] ipv6_find_idev+0x102/0x170 [13529.124571][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13529.124571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13529.124571][ T7704] netlink_rcv_skb+0x130/0x360 [13529.124571][ T7704] netlink_unicast+0x449/0x710 [13529.124571][ T7704] netlink_sendmsg+0x723/0xbe0 [13529.124571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13529.124571][ T7704] ___sys_sendmsg+0xee/0x170 [13529.124571][ T7704] __sys_sendmsg+0xcd/0x170 [13529.124571][ T7704] do_syscall_64+0xc6/0x1e0 [13529.124571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13529.124571][ T7704] [13529.126279][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13529.126279][ T7704] neigh_parms_alloc+0x1e5/0x510 [13529.126279][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13529.126279][ T7704] ipv6_find_idev+0x102/0x170 [13529.126279][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13529.126279][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13529.126279][ T7704] netlink_rcv_skb+0x130/0x360 [13529.126279][ T7704] netlink_unicast+0x449/0x710 [13529.126279][ T7704] netlink_sendmsg+0x723/0xbe0 [13529.126279][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13529.126279][ T7704] ___sys_sendmsg+0xee/0x170 [13529.126279][ T7704] __sys_sendmsg+0xcd/0x170 [13529.126279][ T7704] do_syscall_64+0xc6/0x1e0 [13529.126279][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13529.126279][ T7704] [13539.364842][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13539.365336][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13539.365336][ T7704] netdev_get_by_index+0x5e/0x80 [13539.365336][ T7704] fib6_nh_init+0x3d8/0x15b0 [13539.365336][ T7704] ip6_route_info_create+0xf18/0x17d0 [13539.365336][ T7704] ip6_route_add+0x1c/0x140 [13539.365336][ T7704] addrconf_prefix_route+0x2a6/0x430 [13539.365336][ T7704] inet6_addr_add+0x4f8/0xa40 [13539.365336][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13539.365336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13539.365336][ T7704] netlink_rcv_skb+0x130/0x360 [13539.365336][ T7704] netlink_unicast+0x449/0x710 [13539.365336][ T7704] netlink_sendmsg+0x723/0xbe0 [13539.365336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13539.365336][ T7704] ___sys_sendmsg+0xee/0x170 [13539.365336][ T7704] __sys_sendmsg+0xcd/0x170 [13539.365336][ T7704] do_syscall_64+0xc6/0x1e0 [13539.365336][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13539.365336][ T7704] [13539.367626][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13539.367626][ T7704] netdev_get_by_index+0x5e/0x80 [13539.367626][ T7704] fib6_nh_init+0x3d8/0x15b0 [13539.367626][ T7704] ip6_route_info_create+0xf18/0x17d0 [13539.367626][ T7704] addrconf_f6i_alloc+0x315/0x560 [13539.367626][ T7704] ipv6_add_addr+0x411/0x2000 [13539.367626][ T7704] inet6_addr_add+0x30e/0xa40 [13539.367626][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13539.367626][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13539.367626][ T7704] netlink_rcv_skb+0x130/0x360 [13539.367626][ T7704] netlink_unicast+0x449/0x710 [13539.367626][ T7704] netlink_sendmsg+0x723/0xbe0 [13539.367626][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13539.367626][ T7704] ___sys_sendmsg+0xee/0x170 [13539.367626][ T7704] __sys_sendmsg+0xcd/0x170 [13539.367626][ T7704] do_syscall_64+0xc6/0x1e0 [13539.367626][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13539.367626][ T7704] [13539.369887][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13539.369887][ T7704] netdev_get_by_index+0x5e/0x80 [13539.369887][ T7704] fib6_nh_init+0x3d8/0x15b0 [13539.369887][ T7704] ip6_route_info_create+0xf18/0x17d0 [13539.369887][ T7704] ip6_route_add+0x1c/0x140 [13539.369887][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13539.369887][ T7704] addrconf_add_dev+0xe2/0x170 [13539.369887][ T7704] inet6_addr_add+0x12f/0xa40 [13539.369887][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13539.369887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13539.369887][ T7704] netlink_rcv_skb+0x130/0x360 [13539.369887][ T7704] netlink_unicast+0x449/0x710 [13539.369887][ T7704] netlink_sendmsg+0x723/0xbe0 [13539.369887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13539.369887][ T7704] ___sys_sendmsg+0xee/0x170 [13539.369887][ T7704] __sys_sendmsg+0xcd/0x170 [13539.369887][ T7704] do_syscall_64+0xc6/0x1e0 [13539.369887][ T7704] [13539.372129][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13539.372129][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13539.372129][ T7704] ipv6_find_idev+0x102/0x170 [13539.372129][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13539.372129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13539.372129][ T7704] netlink_rcv_skb+0x130/0x360 [13539.372129][ T7704] netlink_unicast+0x449/0x710 [13539.372129][ T7704] netlink_sendmsg+0x723/0xbe0 [13539.372129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13539.372129][ T7704] ___sys_sendmsg+0xee/0x170 [13539.372129][ T7704] __sys_sendmsg+0xcd/0x170 [13539.372129][ T7704] do_syscall_64+0xc6/0x1e0 [13539.372129][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13539.372129][ T7704] [13539.373862][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13539.373862][ T7704] neigh_parms_alloc+0x1e5/0x510 [13539.373862][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13539.373862][ T7704] ipv6_find_idev+0x102/0x170 [13539.373862][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13539.373862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13539.373862][ T7704] netlink_rcv_skb+0x130/0x360 [13539.373862][ T7704] netlink_unicast+0x449/0x710 [13539.373862][ T7704] netlink_sendmsg+0x723/0xbe0 [13539.373862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13539.373862][ T7704] ___sys_sendmsg+0xee/0x170 [13539.373862][ T7704] __sys_sendmsg+0xcd/0x170 [13539.373862][ T7704] do_syscall_64+0xc6/0x1e0 [13539.373862][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13539.373862][ T7704] [13549.420814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13549.421349][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13549.421349][ T7704] netdev_get_by_index+0x5e/0x80 [13549.421349][ T7704] fib6_nh_init+0x3d8/0x15b0 [13549.421349][ T7704] ip6_route_info_create+0xf18/0x17d0 [13549.421349][ T7704] ip6_route_add+0x1c/0x140 [13549.421349][ T7704] addrconf_prefix_route+0x2a6/0x430 [13549.421349][ T7704] inet6_addr_add+0x4f8/0xa40 [13549.421349][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13549.421349][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13549.421349][ T7704] netlink_rcv_skb+0x130/0x360 [13549.421349][ T7704] netlink_unicast+0x449/0x710 [13549.421349][ T7704] netlink_sendmsg+0x723/0xbe0 [13549.421349][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13549.421349][ T7704] ___sys_sendmsg+0xee/0x170 [13549.421349][ T7704] __sys_sendmsg+0xcd/0x170 [13549.421349][ T7704] do_syscall_64+0xc6/0x1e0 [13549.421349][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13549.421349][ T7704] [13549.423641][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13549.423641][ T7704] netdev_get_by_index+0x5e/0x80 [13549.423641][ T7704] fib6_nh_init+0x3d8/0x15b0 [13549.423641][ T7704] ip6_route_info_create+0xf18/0x17d0 [13549.423641][ T7704] addrconf_f6i_alloc+0x315/0x560 [13549.423641][ T7704] ipv6_add_addr+0x411/0x2000 [13549.423641][ T7704] inet6_addr_add+0x30e/0xa40 [13549.423641][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13549.423641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13549.423641][ T7704] netlink_rcv_skb+0x130/0x360 [13549.423641][ T7704] netlink_unicast+0x449/0x710 [13549.423641][ T7704] netlink_sendmsg+0x723/0xbe0 [13549.423641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13549.423641][ T7704] ___sys_sendmsg+0xee/0x170 [13549.423641][ T7704] __sys_sendmsg+0xcd/0x170 [13549.423641][ T7704] do_syscall_64+0xc6/0x1e0 [13549.423641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13549.423641][ T7704] [13549.425898][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13549.425898][ T7704] netdev_get_by_index+0x5e/0x80 [13549.425898][ T7704] fib6_nh_init+0x3d8/0x15b0 [13549.425898][ T7704] ip6_route_info_create+0xf18/0x17d0 [13549.425898][ T7704] ip6_route_add+0x1c/0x140 [13549.425898][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13549.425898][ T7704] addrconf_add_dev+0xe2/0x170 [13549.425898][ T7704] inet6_addr_add+0x12f/0xa40 [13549.425898][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13549.425898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13549.425898][ T7704] netlink_rcv_skb+0x130/0x360 [13549.425898][ T7704] netlink_unicast+0x449/0x710 [13549.425898][ T7704] netlink_sendmsg+0x723/0xbe0 [13549.425898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13549.425898][ T7704] ___sys_sendmsg+0xee/0x170 [13549.425898][ T7704] __sys_sendmsg+0xcd/0x170 [13549.425898][ T7704] do_syscall_64+0xc6/0x1e0 [13549.425898][ T7704] [13549.428128][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13549.428128][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13549.428128][ T7704] ipv6_find_idev+0x102/0x170 [13549.428128][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13549.428128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13549.428128][ T7704] netlink_rcv_skb+0x130/0x360 [13549.428128][ T7704] netlink_unicast+0x449/0x710 [13549.428128][ T7704] netlink_sendmsg+0x723/0xbe0 [13549.428128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13549.428128][ T7704] ___sys_sendmsg+0xee/0x170 [13549.428128][ T7704] __sys_sendmsg+0xcd/0x170 [13549.428128][ T7704] do_syscall_64+0xc6/0x1e0 [13549.428128][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13549.428128][ T7704] [13549.429912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13549.429912][ T7704] neigh_parms_alloc+0x1e5/0x510 [13549.429912][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13549.429912][ T7704] ipv6_find_idev+0x102/0x170 [13549.429912][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13549.429912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13549.429912][ T7704] netlink_rcv_skb+0x130/0x360 [13549.429912][ T7704] netlink_unicast+0x449/0x710 [13549.429912][ T7704] netlink_sendmsg+0x723/0xbe0 [13549.429912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13549.429912][ T7704] ___sys_sendmsg+0xee/0x170 [13549.429912][ T7704] __sys_sendmsg+0xcd/0x170 [13549.429912][ T7704] do_syscall_64+0xc6/0x1e0 [13549.429912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13549.429912][ T7704] [13559.684794][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13559.685305][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13559.685305][ T7704] netdev_get_by_index+0x5e/0x80 [13559.685305][ T7704] fib6_nh_init+0x3d8/0x15b0 [13559.685305][ T7704] ip6_route_info_create+0xf18/0x17d0 [13559.685305][ T7704] ip6_route_add+0x1c/0x140 [13559.685305][ T7704] addrconf_prefix_route+0x2a6/0x430 [13559.685305][ T7704] inet6_addr_add+0x4f8/0xa40 [13559.685305][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13559.685305][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13559.685305][ T7704] netlink_rcv_skb+0x130/0x360 [13559.685305][ T7704] netlink_unicast+0x449/0x710 [13559.685305][ T7704] netlink_sendmsg+0x723/0xbe0 [13559.685305][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13559.685305][ T7704] ___sys_sendmsg+0xee/0x170 [13559.685305][ T7704] __sys_sendmsg+0xcd/0x170 [13559.685305][ T7704] do_syscall_64+0xc6/0x1e0 [13559.685305][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13559.685305][ T7704] [13559.687744][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13559.687744][ T7704] netdev_get_by_index+0x5e/0x80 [13559.687744][ T7704] fib6_nh_init+0x3d8/0x15b0 [13559.687744][ T7704] ip6_route_info_create+0xf18/0x17d0 [13559.687744][ T7704] addrconf_f6i_alloc+0x315/0x560 [13559.687744][ T7704] ipv6_add_addr+0x411/0x2000 [13559.687744][ T7704] inet6_addr_add+0x30e/0xa40 [13559.687744][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13559.687744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13559.687744][ T7704] netlink_rcv_skb+0x130/0x360 [13559.687744][ T7704] netlink_unicast+0x449/0x710 [13559.687744][ T7704] netlink_sendmsg+0x723/0xbe0 [13559.687744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13559.687744][ T7704] ___sys_sendmsg+0xee/0x170 [13559.687744][ T7704] __sys_sendmsg+0xcd/0x170 [13559.687744][ T7704] do_syscall_64+0xc6/0x1e0 [13559.687744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13559.687744][ T7704] [13559.690181][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13559.690181][ T7704] netdev_get_by_index+0x5e/0x80 [13559.690181][ T7704] fib6_nh_init+0x3d8/0x15b0 [13559.690181][ T7704] ip6_route_info_create+0xf18/0x17d0 [13559.690181][ T7704] ip6_route_add+0x1c/0x140 [13559.690181][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13559.690181][ T7704] addrconf_add_dev+0xe2/0x170 [13559.690181][ T7704] inet6_addr_add+0x12f/0xa40 [13559.690181][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13559.690181][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13559.690181][ T7704] netlink_rcv_skb+0x130/0x360 [13559.690181][ T7704] netlink_unicast+0x449/0x710 [13559.690181][ T7704] netlink_sendmsg+0x723/0xbe0 [13559.690181][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13559.690181][ T7704] ___sys_sendmsg+0xee/0x170 [13559.690181][ T7704] __sys_sendmsg+0xcd/0x170 [13559.690181][ T7704] do_syscall_64+0xc6/0x1e0 [13559.690181][ T7704] [13559.692580][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13559.692580][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13559.692580][ T7704] ipv6_find_idev+0x102/0x170 [13559.692580][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13559.692580][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13559.692580][ T7704] netlink_rcv_skb+0x130/0x360 [13559.692580][ T7704] netlink_unicast+0x449/0x710 [13559.692580][ T7704] netlink_sendmsg+0x723/0xbe0 [13559.692580][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13559.692580][ T7704] ___sys_sendmsg+0xee/0x170 [13559.692580][ T7704] __sys_sendmsg+0xcd/0x170 [13559.692580][ T7704] do_syscall_64+0xc6/0x1e0 [13559.692580][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13559.692580][ T7704] [13559.694459][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13559.694459][ T7704] neigh_parms_alloc+0x1e5/0x510 [13559.694459][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13559.694459][ T7704] ipv6_find_idev+0x102/0x170 [13559.694459][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13559.694459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13559.694459][ T7704] netlink_rcv_skb+0x130/0x360 [13559.694459][ T7704] netlink_unicast+0x449/0x710 [13559.694459][ T7704] netlink_sendmsg+0x723/0xbe0 [13559.694459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13559.694459][ T7704] ___sys_sendmsg+0xee/0x170 [13559.694459][ T7704] __sys_sendmsg+0xcd/0x170 [13559.694459][ T7704] do_syscall_64+0xc6/0x1e0 [13559.694459][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13559.694459][ T7704] [13569.948807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13569.949282][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13569.949282][ T7704] netdev_get_by_index+0x5e/0x80 [13569.949282][ T7704] fib6_nh_init+0x3d8/0x15b0 [13569.949282][ T7704] ip6_route_info_create+0xf18/0x17d0 [13569.949282][ T7704] ip6_route_add+0x1c/0x140 [13569.949282][ T7704] addrconf_prefix_route+0x2a6/0x430 [13569.949282][ T7704] inet6_addr_add+0x4f8/0xa40 [13569.949282][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13569.949282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13569.949282][ T7704] netlink_rcv_skb+0x130/0x360 [13569.949282][ T7704] netlink_unicast+0x449/0x710 [13569.949282][ T7704] netlink_sendmsg+0x723/0xbe0 [13569.949282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13569.949282][ T7704] ___sys_sendmsg+0xee/0x170 [13569.949282][ T7704] __sys_sendmsg+0xcd/0x170 [13569.949282][ T7704] do_syscall_64+0xc6/0x1e0 [13569.949282][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13569.949282][ T7704] [13569.951507][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13569.951507][ T7704] netdev_get_by_index+0x5e/0x80 [13569.951507][ T7704] fib6_nh_init+0x3d8/0x15b0 [13569.951507][ T7704] ip6_route_info_create+0xf18/0x17d0 [13569.951507][ T7704] addrconf_f6i_alloc+0x315/0x560 [13569.951507][ T7704] ipv6_add_addr+0x411/0x2000 [13569.951507][ T7704] inet6_addr_add+0x30e/0xa40 [13569.951507][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13569.951507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13569.951507][ T7704] netlink_rcv_skb+0x130/0x360 [13569.951507][ T7704] netlink_unicast+0x449/0x710 [13569.951507][ T7704] netlink_sendmsg+0x723/0xbe0 [13569.951507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13569.951507][ T7704] ___sys_sendmsg+0xee/0x170 [13569.951507][ T7704] __sys_sendmsg+0xcd/0x170 [13569.951507][ T7704] do_syscall_64+0xc6/0x1e0 [13569.951507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13569.951507][ T7704] [13569.953720][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13569.953720][ T7704] netdev_get_by_index+0x5e/0x80 [13569.953720][ T7704] fib6_nh_init+0x3d8/0x15b0 [13569.953720][ T7704] ip6_route_info_create+0xf18/0x17d0 [13569.953720][ T7704] ip6_route_add+0x1c/0x140 [13569.953720][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13569.953720][ T7704] addrconf_add_dev+0xe2/0x170 [13569.953720][ T7704] inet6_addr_add+0x12f/0xa40 [13569.953720][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13569.953720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13569.953720][ T7704] netlink_rcv_skb+0x130/0x360 [13569.953720][ T7704] netlink_unicast+0x449/0x710 [13569.953720][ T7704] netlink_sendmsg+0x723/0xbe0 [13569.953720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13569.953720][ T7704] ___sys_sendmsg+0xee/0x170 [13569.953720][ T7704] __sys_sendmsg+0xcd/0x170 [13569.953720][ T7704] do_syscall_64+0xc6/0x1e0 [13569.953720][ T7704] [13569.955893][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13569.955893][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13569.955893][ T7704] ipv6_find_idev+0x102/0x170 [13569.955893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13569.955893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13569.955893][ T7704] netlink_rcv_skb+0x130/0x360 [13569.955893][ T7704] netlink_unicast+0x449/0x710 [13569.955893][ T7704] netlink_sendmsg+0x723/0xbe0 [13569.955893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13569.955893][ T7704] ___sys_sendmsg+0xee/0x170 [13569.955893][ T7704] __sys_sendmsg+0xcd/0x170 [13569.955893][ T7704] do_syscall_64+0xc6/0x1e0 [13569.955893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13569.955893][ T7704] [13569.957606][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13569.957606][ T7704] neigh_parms_alloc+0x1e5/0x510 [13569.957606][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13569.957606][ T7704] ipv6_find_idev+0x102/0x170 [13569.957606][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13569.957606][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13569.957606][ T7704] netlink_rcv_skb+0x130/0x360 [13569.957606][ T7704] netlink_unicast+0x449/0x710 [13569.957606][ T7704] netlink_sendmsg+0x723/0xbe0 [13569.957606][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13569.957606][ T7704] ___sys_sendmsg+0xee/0x170 [13569.957606][ T7704] __sys_sendmsg+0xcd/0x170 [13569.957606][ T7704] do_syscall_64+0xc6/0x1e0 [13569.957606][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13569.957606][ T7704] [13580.212920][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13580.213467][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13580.213467][ T7704] netdev_get_by_index+0x5e/0x80 [13580.213467][ T7704] fib6_nh_init+0x3d8/0x15b0 [13580.213467][ T7704] ip6_route_info_create+0xf18/0x17d0 [13580.213467][ T7704] ip6_route_add+0x1c/0x140 [13580.213467][ T7704] addrconf_prefix_route+0x2a6/0x430 [13580.213467][ T7704] inet6_addr_add+0x4f8/0xa40 [13580.213467][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13580.213467][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13580.213467][ T7704] netlink_rcv_skb+0x130/0x360 [13580.213467][ T7704] netlink_unicast+0x449/0x710 [13580.213467][ T7704] netlink_sendmsg+0x723/0xbe0 [13580.213467][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13580.213467][ T7704] ___sys_sendmsg+0xee/0x170 [13580.213467][ T7704] __sys_sendmsg+0xcd/0x170 [13580.213467][ T7704] do_syscall_64+0xc6/0x1e0 [13580.213467][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13580.213467][ T7704] [13580.215726][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13580.215726][ T7704] netdev_get_by_index+0x5e/0x80 [13580.215726][ T7704] fib6_nh_init+0x3d8/0x15b0 [13580.215726][ T7704] ip6_route_info_create+0xf18/0x17d0 [13580.215726][ T7704] addrconf_f6i_alloc+0x315/0x560 [13580.215726][ T7704] ipv6_add_addr+0x411/0x2000 [13580.215726][ T7704] inet6_addr_add+0x30e/0xa40 [13580.215726][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13580.215726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13580.215726][ T7704] netlink_rcv_skb+0x130/0x360 [13580.215726][ T7704] netlink_unicast+0x449/0x710 [13580.215726][ T7704] netlink_sendmsg+0x723/0xbe0 [13580.215726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13580.215726][ T7704] ___sys_sendmsg+0xee/0x170 [13580.215726][ T7704] __sys_sendmsg+0xcd/0x170 [13580.215726][ T7704] do_syscall_64+0xc6/0x1e0 [13580.215726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13580.215726][ T7704] [13580.218509][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13580.218509][ T7704] netdev_get_by_index+0x5e/0x80 [13580.218509][ T7704] fib6_nh_init+0x3d8/0x15b0 [13580.218509][ T7704] ip6_route_info_create+0xf18/0x17d0 [13580.218509][ T7704] ip6_route_add+0x1c/0x140 [13580.218509][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13580.218509][ T7704] addrconf_add_dev+0xe2/0x170 [13580.218509][ T7704] inet6_addr_add+0x12f/0xa40 [13580.218509][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13580.218509][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13580.218509][ T7704] netlink_rcv_skb+0x130/0x360 [13580.218509][ T7704] netlink_unicast+0x449/0x710 [13580.218509][ T7704] netlink_sendmsg+0x723/0xbe0 [13580.218509][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13580.218509][ T7704] ___sys_sendmsg+0xee/0x170 [13580.218509][ T7704] __sys_sendmsg+0xcd/0x170 [13580.218509][ T7704] do_syscall_64+0xc6/0x1e0 [13580.218509][ T7704] [13580.220687][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13580.220687][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13580.220687][ T7704] ipv6_find_idev+0x102/0x170 [13580.220687][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13580.220687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13580.220687][ T7704] netlink_rcv_skb+0x130/0x360 [13580.220687][ T7704] netlink_unicast+0x449/0x710 [13580.220687][ T7704] netlink_sendmsg+0x723/0xbe0 [13580.220687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13580.220687][ T7704] ___sys_sendmsg+0xee/0x170 [13580.220687][ T7704] __sys_sendmsg+0xcd/0x170 [13580.220687][ T7704] do_syscall_64+0xc6/0x1e0 [13580.220687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13580.220687][ T7704] [13580.222395][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13580.222395][ T7704] neigh_parms_alloc+0x1e5/0x510 [13580.222395][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13580.222395][ T7704] ipv6_find_idev+0x102/0x170 [13580.222395][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13580.222395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13580.222395][ T7704] netlink_rcv_skb+0x130/0x360 [13580.222395][ T7704] netlink_unicast+0x449/0x710 [13580.222395][ T7704] netlink_sendmsg+0x723/0xbe0 [13580.222395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13580.222395][ T7704] ___sys_sendmsg+0xee/0x170 [13580.222395][ T7704] __sys_sendmsg+0xcd/0x170 [13580.222395][ T7704] do_syscall_64+0xc6/0x1e0 [13580.222395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13580.222395][ T7704] [13590.476853][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13590.477378][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13590.477378][ T7704] netdev_get_by_index+0x5e/0x80 [13590.477378][ T7704] fib6_nh_init+0x3d8/0x15b0 [13590.477378][ T7704] ip6_route_info_create+0xf18/0x17d0 [13590.477378][ T7704] ip6_route_add+0x1c/0x140 [13590.477378][ T7704] addrconf_prefix_route+0x2a6/0x430 [13590.477378][ T7704] inet6_addr_add+0x4f8/0xa40 [13590.477378][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13590.477378][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13590.477378][ T7704] netlink_rcv_skb+0x130/0x360 [13590.477378][ T7704] netlink_unicast+0x449/0x710 [13590.477378][ T7704] netlink_sendmsg+0x723/0xbe0 [13590.477378][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13590.477378][ T7704] ___sys_sendmsg+0xee/0x170 [13590.477378][ T7704] __sys_sendmsg+0xcd/0x170 [13590.477378][ T7704] do_syscall_64+0xc6/0x1e0 [13590.477378][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13590.477378][ T7704] [13590.479630][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13590.479630][ T7704] netdev_get_by_index+0x5e/0x80 [13590.479630][ T7704] fib6_nh_init+0x3d8/0x15b0 [13590.479630][ T7704] ip6_route_info_create+0xf18/0x17d0 [13590.479630][ T7704] addrconf_f6i_alloc+0x315/0x560 [13590.479630][ T7704] ipv6_add_addr+0x411/0x2000 [13590.479630][ T7704] inet6_addr_add+0x30e/0xa40 [13590.479630][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13590.479630][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13590.479630][ T7704] netlink_rcv_skb+0x130/0x360 [13590.479630][ T7704] netlink_unicast+0x449/0x710 [13590.479630][ T7704] netlink_sendmsg+0x723/0xbe0 [13590.479630][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13590.479630][ T7704] ___sys_sendmsg+0xee/0x170 [13590.479630][ T7704] __sys_sendmsg+0xcd/0x170 [13590.479630][ T7704] do_syscall_64+0xc6/0x1e0 [13590.479630][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13590.479630][ T7704] [13590.481851][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13590.481851][ T7704] netdev_get_by_index+0x5e/0x80 [13590.481851][ T7704] fib6_nh_init+0x3d8/0x15b0 [13590.481851][ T7704] ip6_route_info_create+0xf18/0x17d0 [13590.481851][ T7704] ip6_route_add+0x1c/0x140 [13590.481851][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13590.481851][ T7704] addrconf_add_dev+0xe2/0x170 [13590.481851][ T7704] inet6_addr_add+0x12f/0xa40 [13590.481851][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13590.481851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13590.481851][ T7704] netlink_rcv_skb+0x130/0x360 [13590.481851][ T7704] netlink_unicast+0x449/0x710 [13590.481851][ T7704] netlink_sendmsg+0x723/0xbe0 [13590.481851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13590.481851][ T7704] ___sys_sendmsg+0xee/0x170 [13590.481851][ T7704] __sys_sendmsg+0xcd/0x170 [13590.481851][ T7704] do_syscall_64+0xc6/0x1e0 [13590.481851][ T7704] [13590.484043][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13590.484043][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13590.484043][ T7704] ipv6_find_idev+0x102/0x170 [13590.484043][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13590.484043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13590.484043][ T7704] netlink_rcv_skb+0x130/0x360 [13590.484043][ T7704] netlink_unicast+0x449/0x710 [13590.484043][ T7704] netlink_sendmsg+0x723/0xbe0 [13590.484043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13590.484043][ T7704] ___sys_sendmsg+0xee/0x170 [13590.484043][ T7704] __sys_sendmsg+0xcd/0x170 [13590.484043][ T7704] do_syscall_64+0xc6/0x1e0 [13590.484043][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13590.484043][ T7704] [13590.485742][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13590.485742][ T7704] neigh_parms_alloc+0x1e5/0x510 [13590.485742][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13590.485742][ T7704] ipv6_find_idev+0x102/0x170 [13590.485742][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13590.485742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13590.485742][ T7704] netlink_rcv_skb+0x130/0x360 [13590.485742][ T7704] netlink_unicast+0x449/0x710 [13590.485742][ T7704] netlink_sendmsg+0x723/0xbe0 [13590.485742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13590.485742][ T7704] ___sys_sendmsg+0xee/0x170 [13590.485742][ T7704] __sys_sendmsg+0xcd/0x170 [13590.485742][ T7704] do_syscall_64+0xc6/0x1e0 [13590.485742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13590.485742][ T7704] [13600.740877][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13600.741397][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13600.741397][ T7704] netdev_get_by_index+0x5e/0x80 [13600.741397][ T7704] fib6_nh_init+0x3d8/0x15b0 [13600.741397][ T7704] ip6_route_info_create+0xf18/0x17d0 [13600.741397][ T7704] ip6_route_add+0x1c/0x140 [13600.741397][ T7704] addrconf_prefix_route+0x2a6/0x430 [13600.741397][ T7704] inet6_addr_add+0x4f8/0xa40 [13600.741397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13600.741397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13600.741397][ T7704] netlink_rcv_skb+0x130/0x360 [13600.741397][ T7704] netlink_unicast+0x449/0x710 [13600.741397][ T7704] netlink_sendmsg+0x723/0xbe0 [13600.741397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13600.741397][ T7704] ___sys_sendmsg+0xee/0x170 [13600.741397][ T7704] __sys_sendmsg+0xcd/0x170 [13600.741397][ T7704] do_syscall_64+0xc6/0x1e0 [13600.741397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13600.741397][ T7704] [13600.743660][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13600.743660][ T7704] netdev_get_by_index+0x5e/0x80 [13600.743660][ T7704] fib6_nh_init+0x3d8/0x15b0 [13600.743660][ T7704] ip6_route_info_create+0xf18/0x17d0 [13600.743660][ T7704] addrconf_f6i_alloc+0x315/0x560 [13600.743660][ T7704] ipv6_add_addr+0x411/0x2000 [13600.743660][ T7704] inet6_addr_add+0x30e/0xa40 [13600.743660][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13600.743660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13600.743660][ T7704] netlink_rcv_skb+0x130/0x360 [13600.743660][ T7704] netlink_unicast+0x449/0x710 [13600.743660][ T7704] netlink_sendmsg+0x723/0xbe0 [13600.743660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13600.743660][ T7704] ___sys_sendmsg+0xee/0x170 [13600.743660][ T7704] __sys_sendmsg+0xcd/0x170 [13600.743660][ T7704] do_syscall_64+0xc6/0x1e0 [13600.743660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13600.743660][ T7704] [13600.745873][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13600.745873][ T7704] netdev_get_by_index+0x5e/0x80 [13600.745873][ T7704] fib6_nh_init+0x3d8/0x15b0 [13600.745873][ T7704] ip6_route_info_create+0xf18/0x17d0 [13600.745873][ T7704] ip6_route_add+0x1c/0x140 [13600.745873][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13600.745873][ T7704] addrconf_add_dev+0xe2/0x170 [13600.745873][ T7704] inet6_addr_add+0x12f/0xa40 [13600.745873][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13600.745873][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13600.745873][ T7704] netlink_rcv_skb+0x130/0x360 [13600.745873][ T7704] netlink_unicast+0x449/0x710 [13600.745873][ T7704] netlink_sendmsg+0x723/0xbe0 [13600.745873][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13600.745873][ T7704] ___sys_sendmsg+0xee/0x170 [13600.745873][ T7704] __sys_sendmsg+0xcd/0x170 [13600.745873][ T7704] do_syscall_64+0xc6/0x1e0 [13600.745873][ T7704] [13600.748075][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13600.748075][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13600.748075][ T7704] ipv6_find_idev+0x102/0x170 [13600.748075][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13600.748075][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13600.748075][ T7704] netlink_rcv_skb+0x130/0x360 [13600.748075][ T7704] netlink_unicast+0x449/0x710 [13600.748075][ T7704] netlink_sendmsg+0x723/0xbe0 [13600.748075][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13600.748075][ T7704] ___sys_sendmsg+0xee/0x170 [13600.748075][ T7704] __sys_sendmsg+0xcd/0x170 [13600.748075][ T7704] do_syscall_64+0xc6/0x1e0 [13600.748075][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13600.748075][ T7704] [13600.749775][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13600.749775][ T7704] neigh_parms_alloc+0x1e5/0x510 [13600.749775][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13600.749775][ T7704] ipv6_find_idev+0x102/0x170 [13600.749775][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13600.749775][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13600.749775][ T7704] netlink_rcv_skb+0x130/0x360 [13600.749775][ T7704] netlink_unicast+0x449/0x710 [13600.749775][ T7704] netlink_sendmsg+0x723/0xbe0 [13600.749775][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13600.749775][ T7704] ___sys_sendmsg+0xee/0x170 [13600.749775][ T7704] __sys_sendmsg+0xcd/0x170 [13600.749775][ T7704] do_syscall_64+0xc6/0x1e0 [13600.749775][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13600.749775][ T7704] [13610.844777][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13610.845501][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13610.845501][ T7704] netdev_get_by_index+0x5e/0x80 [13610.845501][ T7704] fib6_nh_init+0x3d8/0x15b0 [13610.845501][ T7704] ip6_route_info_create+0xf18/0x17d0 [13610.845501][ T7704] ip6_route_add+0x1c/0x140 [13610.845501][ T7704] addrconf_prefix_route+0x2a6/0x430 [13610.845501][ T7704] inet6_addr_add+0x4f8/0xa40 [13610.845501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13610.845501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13610.845501][ T7704] netlink_rcv_skb+0x130/0x360 [13610.845501][ T7704] netlink_unicast+0x449/0x710 [13610.845501][ T7704] netlink_sendmsg+0x723/0xbe0 [13610.845501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13610.845501][ T7704] ___sys_sendmsg+0xee/0x170 [13610.845501][ T7704] __sys_sendmsg+0xcd/0x170 [13610.845501][ T7704] do_syscall_64+0xc6/0x1e0 [13610.845501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13610.845501][ T7704] [13610.849063][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13610.849063][ T7704] netdev_get_by_index+0x5e/0x80 [13610.849063][ T7704] fib6_nh_init+0x3d8/0x15b0 [13610.849063][ T7704] ip6_route_info_create+0xf18/0x17d0 [13610.849063][ T7704] addrconf_f6i_alloc+0x315/0x560 [13610.849063][ T7704] ipv6_add_addr+0x411/0x2000 [13610.849063][ T7704] inet6_addr_add+0x30e/0xa40 [13610.849063][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13610.849063][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13610.849063][ T7704] netlink_rcv_skb+0x130/0x360 [13610.849063][ T7704] netlink_unicast+0x449/0x710 [13610.849063][ T7704] netlink_sendmsg+0x723/0xbe0 [13610.849063][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13610.849063][ T7704] ___sys_sendmsg+0xee/0x170 [13610.849063][ T7704] __sys_sendmsg+0xcd/0x170 [13610.849063][ T7704] do_syscall_64+0xc6/0x1e0 [13610.849063][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13610.849063][ T7704] [13610.852603][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13610.852603][ T7704] netdev_get_by_index+0x5e/0x80 [13610.852603][ T7704] fib6_nh_init+0x3d8/0x15b0 [13610.852603][ T7704] ip6_route_info_create+0xf18/0x17d0 [13610.852603][ T7704] ip6_route_add+0x1c/0x140 [13610.852603][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13610.852603][ T7704] addrconf_add_dev+0xe2/0x170 [13610.852603][ T7704] inet6_addr_add+0x12f/0xa40 [13610.852603][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13610.852603][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13610.852603][ T7704] netlink_rcv_skb+0x130/0x360 [13610.852603][ T7704] netlink_unicast+0x449/0x710 [13610.852603][ T7704] netlink_sendmsg+0x723/0xbe0 [13610.852603][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13610.852603][ T7704] ___sys_sendmsg+0xee/0x170 [13610.852603][ T7704] __sys_sendmsg+0xcd/0x170 [13610.852603][ T7704] do_syscall_64+0xc6/0x1e0 [13610.852603][ T7704] [13610.855878][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13610.855878][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13610.855878][ T7704] ipv6_find_idev+0x102/0x170 [13610.855878][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13610.855878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13610.855878][ T7704] netlink_rcv_skb+0x130/0x360 [13610.855878][ T7704] netlink_unicast+0x449/0x710 [13610.855878][ T7704] netlink_sendmsg+0x723/0xbe0 [13610.855878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13610.855878][ T7704] ___sys_sendmsg+0xee/0x170 [13610.855878][ T7704] __sys_sendmsg+0xcd/0x170 [13610.855878][ T7704] do_syscall_64+0xc6/0x1e0 [13610.855878][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13610.855878][ T7704] [13610.858468][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13610.858468][ T7704] neigh_parms_alloc+0x1e5/0x510 [13610.858468][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13610.858468][ T7704] ipv6_find_idev+0x102/0x170 [13610.858468][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13610.858468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13610.858468][ T7704] netlink_rcv_skb+0x130/0x360 [13610.858468][ T7704] netlink_unicast+0x449/0x710 [13610.858468][ T7704] netlink_sendmsg+0x723/0xbe0 [13610.858468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13610.858468][ T7704] ___sys_sendmsg+0xee/0x170 [13610.858468][ T7704] __sys_sendmsg+0xcd/0x170 [13610.858468][ T7704] do_syscall_64+0xc6/0x1e0 [13610.858468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13610.858468][ T7704] [13620.940849][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13620.941377][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13620.941377][ T7704] netdev_get_by_index+0x5e/0x80 [13620.941377][ T7704] fib6_nh_init+0x3d8/0x15b0 [13620.941377][ T7704] ip6_route_info_create+0xf18/0x17d0 [13620.941377][ T7704] ip6_route_add+0x1c/0x140 [13620.941377][ T7704] addrconf_prefix_route+0x2a6/0x430 [13620.941377][ T7704] inet6_addr_add+0x4f8/0xa40 [13620.941377][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13620.941377][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13620.941377][ T7704] netlink_rcv_skb+0x130/0x360 [13620.941377][ T7704] netlink_unicast+0x449/0x710 [13620.941377][ T7704] netlink_sendmsg+0x723/0xbe0 [13620.941377][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13620.941377][ T7704] ___sys_sendmsg+0xee/0x170 [13620.941377][ T7704] __sys_sendmsg+0xcd/0x170 [13620.941377][ T7704] do_syscall_64+0xc6/0x1e0 [13620.941377][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13620.941377][ T7704] [13620.943634][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13620.943634][ T7704] netdev_get_by_index+0x5e/0x80 [13620.943634][ T7704] fib6_nh_init+0x3d8/0x15b0 [13620.943634][ T7704] ip6_route_info_create+0xf18/0x17d0 [13620.943634][ T7704] addrconf_f6i_alloc+0x315/0x560 [13620.943634][ T7704] ipv6_add_addr+0x411/0x2000 [13620.943634][ T7704] inet6_addr_add+0x30e/0xa40 [13620.943634][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13620.943634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13620.943634][ T7704] netlink_rcv_skb+0x130/0x360 [13620.943634][ T7704] netlink_unicast+0x449/0x710 [13620.943634][ T7704] netlink_sendmsg+0x723/0xbe0 [13620.943634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13620.943634][ T7704] ___sys_sendmsg+0xee/0x170 [13620.943634][ T7704] __sys_sendmsg+0xcd/0x170 [13620.943634][ T7704] do_syscall_64+0xc6/0x1e0 [13620.943634][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13620.943634][ T7704] [13620.945840][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13620.945840][ T7704] netdev_get_by_index+0x5e/0x80 [13620.945840][ T7704] fib6_nh_init+0x3d8/0x15b0 [13620.945840][ T7704] ip6_route_info_create+0xf18/0x17d0 [13620.945840][ T7704] ip6_route_add+0x1c/0x140 [13620.945840][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13620.945840][ T7704] addrconf_add_dev+0xe2/0x170 [13620.945840][ T7704] inet6_addr_add+0x12f/0xa40 [13620.945840][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13620.945840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13620.945840][ T7704] netlink_rcv_skb+0x130/0x360 [13620.945840][ T7704] netlink_unicast+0x449/0x710 [13620.945840][ T7704] netlink_sendmsg+0x723/0xbe0 [13620.945840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13620.945840][ T7704] ___sys_sendmsg+0xee/0x170 [13620.945840][ T7704] __sys_sendmsg+0xcd/0x170 [13620.945840][ T7704] do_syscall_64+0xc6/0x1e0 [13620.945840][ T7704] [13620.948028][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13620.948028][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13620.948028][ T7704] ipv6_find_idev+0x102/0x170 [13620.948028][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13620.948028][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13620.948028][ T7704] netlink_rcv_skb+0x130/0x360 [13620.948028][ T7704] netlink_unicast+0x449/0x710 [13620.948028][ T7704] netlink_sendmsg+0x723/0xbe0 [13620.948028][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13620.948028][ T7704] ___sys_sendmsg+0xee/0x170 [13620.948028][ T7704] __sys_sendmsg+0xcd/0x170 [13620.948028][ T7704] do_syscall_64+0xc6/0x1e0 [13620.948028][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13620.948028][ T7704] [13620.950244][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13620.950244][ T7704] neigh_parms_alloc+0x1e5/0x510 [13620.950244][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13620.950244][ T7704] ipv6_find_idev+0x102/0x170 [13620.950244][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13620.950244][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13620.950244][ T7704] netlink_rcv_skb+0x130/0x360 [13620.950244][ T7704] netlink_unicast+0x449/0x710 [13620.950244][ T7704] netlink_sendmsg+0x723/0xbe0 [13620.950244][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13620.950244][ T7704] ___sys_sendmsg+0xee/0x170 [13620.950244][ T7704] __sys_sendmsg+0xcd/0x170 [13620.950244][ T7704] do_syscall_64+0xc6/0x1e0 [13620.950244][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13620.950244][ T7704] [13631.188818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13631.189350][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13631.189350][ T7704] netdev_get_by_index+0x5e/0x80 [13631.189350][ T7704] fib6_nh_init+0x3d8/0x15b0 [13631.189350][ T7704] ip6_route_info_create+0xf18/0x17d0 [13631.189350][ T7704] ip6_route_add+0x1c/0x140 [13631.189350][ T7704] addrconf_prefix_route+0x2a6/0x430 [13631.189350][ T7704] inet6_addr_add+0x4f8/0xa40 [13631.189350][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13631.189350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13631.189350][ T7704] netlink_rcv_skb+0x130/0x360 [13631.189350][ T7704] netlink_unicast+0x449/0x710 [13631.189350][ T7704] netlink_sendmsg+0x723/0xbe0 [13631.189350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13631.189350][ T7704] ___sys_sendmsg+0xee/0x170 [13631.189350][ T7704] __sys_sendmsg+0xcd/0x170 [13631.189350][ T7704] do_syscall_64+0xc6/0x1e0 [13631.189350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13631.189350][ T7704] [13631.191596][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13631.191596][ T7704] netdev_get_by_index+0x5e/0x80 [13631.191596][ T7704] fib6_nh_init+0x3d8/0x15b0 [13631.191596][ T7704] ip6_route_info_create+0xf18/0x17d0 [13631.191596][ T7704] addrconf_f6i_alloc+0x315/0x560 [13631.191596][ T7704] ipv6_add_addr+0x411/0x2000 [13631.191596][ T7704] inet6_addr_add+0x30e/0xa40 [13631.191596][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13631.191596][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13631.191596][ T7704] netlink_rcv_skb+0x130/0x360 [13631.191596][ T7704] netlink_unicast+0x449/0x710 [13631.191596][ T7704] netlink_sendmsg+0x723/0xbe0 [13631.191596][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13631.191596][ T7704] ___sys_sendmsg+0xee/0x170 [13631.191596][ T7704] __sys_sendmsg+0xcd/0x170 [13631.191596][ T7704] do_syscall_64+0xc6/0x1e0 [13631.191596][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13631.191596][ T7704] [13631.193814][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13631.193814][ T7704] netdev_get_by_index+0x5e/0x80 [13631.193814][ T7704] fib6_nh_init+0x3d8/0x15b0 [13631.193814][ T7704] ip6_route_info_create+0xf18/0x17d0 [13631.193814][ T7704] ip6_route_add+0x1c/0x140 [13631.193814][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13631.193814][ T7704] addrconf_add_dev+0xe2/0x170 [13631.193814][ T7704] inet6_addr_add+0x12f/0xa40 [13631.193814][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13631.193814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13631.193814][ T7704] netlink_rcv_skb+0x130/0x360 [13631.193814][ T7704] netlink_unicast+0x449/0x710 [13631.193814][ T7704] netlink_sendmsg+0x723/0xbe0 [13631.193814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13631.193814][ T7704] ___sys_sendmsg+0xee/0x170 [13631.193814][ T7704] __sys_sendmsg+0xcd/0x170 [13631.193814][ T7704] do_syscall_64+0xc6/0x1e0 [13631.193814][ T7704] [13631.195990][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13631.195990][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13631.195990][ T7704] ipv6_find_idev+0x102/0x170 [13631.195990][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13631.195990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13631.195990][ T7704] netlink_rcv_skb+0x130/0x360 [13631.195990][ T7704] netlink_unicast+0x449/0x710 [13631.195990][ T7704] netlink_sendmsg+0x723/0xbe0 [13631.195990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13631.195990][ T7704] ___sys_sendmsg+0xee/0x170 [13631.195990][ T7704] __sys_sendmsg+0xcd/0x170 [13631.195990][ T7704] do_syscall_64+0xc6/0x1e0 [13631.195990][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13631.195990][ T7704] [13631.197710][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13631.197710][ T7704] neigh_parms_alloc+0x1e5/0x510 [13631.197710][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13631.197710][ T7704] ipv6_find_idev+0x102/0x170 [13631.197710][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13631.197710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13631.197710][ T7704] netlink_rcv_skb+0x130/0x360 [13631.197710][ T7704] netlink_unicast+0x449/0x710 [13631.197710][ T7704] netlink_sendmsg+0x723/0xbe0 [13631.197710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13631.197710][ T7704] ___sys_sendmsg+0xee/0x170 [13631.197710][ T7704] __sys_sendmsg+0xcd/0x170 [13631.197710][ T7704] do_syscall_64+0xc6/0x1e0 [13631.197710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13631.197710][ T7704] [13641.436918][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13641.437453][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13641.437453][ T7704] netdev_get_by_index+0x5e/0x80 [13641.437453][ T7704] fib6_nh_init+0x3d8/0x15b0 [13641.437453][ T7704] ip6_route_info_create+0xf18/0x17d0 [13641.437453][ T7704] ip6_route_add+0x1c/0x140 [13641.437453][ T7704] addrconf_prefix_route+0x2a6/0x430 [13641.437453][ T7704] inet6_addr_add+0x4f8/0xa40 [13641.437453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13641.437453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13641.437453][ T7704] netlink_rcv_skb+0x130/0x360 [13641.437453][ T7704] netlink_unicast+0x449/0x710 [13641.437453][ T7704] netlink_sendmsg+0x723/0xbe0 [13641.437453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13641.437453][ T7704] ___sys_sendmsg+0xee/0x170 [13641.437453][ T7704] __sys_sendmsg+0xcd/0x170 [13641.437453][ T7704] do_syscall_64+0xc6/0x1e0 [13641.437453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13641.437453][ T7704] [13641.439705][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13641.439705][ T7704] netdev_get_by_index+0x5e/0x80 [13641.439705][ T7704] fib6_nh_init+0x3d8/0x15b0 [13641.439705][ T7704] ip6_route_info_create+0xf18/0x17d0 [13641.439705][ T7704] addrconf_f6i_alloc+0x315/0x560 [13641.439705][ T7704] ipv6_add_addr+0x411/0x2000 [13641.439705][ T7704] inet6_addr_add+0x30e/0xa40 [13641.439705][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13641.439705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13641.439705][ T7704] netlink_rcv_skb+0x130/0x360 [13641.439705][ T7704] netlink_unicast+0x449/0x710 [13641.439705][ T7704] netlink_sendmsg+0x723/0xbe0 [13641.439705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13641.439705][ T7704] ___sys_sendmsg+0xee/0x170 [13641.439705][ T7704] __sys_sendmsg+0xcd/0x170 [13641.439705][ T7704] do_syscall_64+0xc6/0x1e0 [13641.439705][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13641.439705][ T7704] [13641.441913][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13641.441913][ T7704] netdev_get_by_index+0x5e/0x80 [13641.441913][ T7704] fib6_nh_init+0x3d8/0x15b0 [13641.441913][ T7704] ip6_route_info_create+0xf18/0x17d0 [13641.441913][ T7704] ip6_route_add+0x1c/0x140 [13641.441913][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13641.441913][ T7704] addrconf_add_dev+0xe2/0x170 [13641.441913][ T7704] inet6_addr_add+0x12f/0xa40 [13641.441913][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13641.441913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13641.441913][ T7704] netlink_rcv_skb+0x130/0x360 [13641.441913][ T7704] netlink_unicast+0x449/0x710 [13641.441913][ T7704] netlink_sendmsg+0x723/0xbe0 [13641.441913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13641.441913][ T7704] ___sys_sendmsg+0xee/0x170 [13641.441913][ T7704] __sys_sendmsg+0xcd/0x170 [13641.441913][ T7704] do_syscall_64+0xc6/0x1e0 [13641.441913][ T7704] [13641.444076][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13641.444076][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13641.444076][ T7704] ipv6_find_idev+0x102/0x170 [13641.444076][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13641.444076][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13641.444076][ T7704] netlink_rcv_skb+0x130/0x360 [13641.444076][ T7704] netlink_unicast+0x449/0x710 [13641.444076][ T7704] netlink_sendmsg+0x723/0xbe0 [13641.444076][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13641.444076][ T7704] ___sys_sendmsg+0xee/0x170 [13641.444076][ T7704] __sys_sendmsg+0xcd/0x170 [13641.444076][ T7704] do_syscall_64+0xc6/0x1e0 [13641.444076][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13641.444076][ T7704] [13641.445779][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13641.445779][ T7704] neigh_parms_alloc+0x1e5/0x510 [13641.445779][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13641.445779][ T7704] ipv6_find_idev+0x102/0x170 [13641.445779][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13641.445779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13641.445779][ T7704] netlink_rcv_skb+0x130/0x360 [13641.445779][ T7704] netlink_unicast+0x449/0x710 [13641.445779][ T7704] netlink_sendmsg+0x723/0xbe0 [13641.445779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13641.445779][ T7704] ___sys_sendmsg+0xee/0x170 [13641.445779][ T7704] __sys_sendmsg+0xcd/0x170 [13641.445779][ T7704] do_syscall_64+0xc6/0x1e0 [13641.445779][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13641.445779][ T7704] [13651.684857][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13651.685384][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13651.685384][ T7704] netdev_get_by_index+0x5e/0x80 [13651.685384][ T7704] fib6_nh_init+0x3d8/0x15b0 [13651.685384][ T7704] ip6_route_info_create+0xf18/0x17d0 [13651.685384][ T7704] ip6_route_add+0x1c/0x140 [13651.685384][ T7704] addrconf_prefix_route+0x2a6/0x430 [13651.685384][ T7704] inet6_addr_add+0x4f8/0xa40 [13651.685384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13651.685384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13651.685384][ T7704] netlink_rcv_skb+0x130/0x360 [13651.685384][ T7704] netlink_unicast+0x449/0x710 [13651.685384][ T7704] netlink_sendmsg+0x723/0xbe0 [13651.685384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13651.685384][ T7704] ___sys_sendmsg+0xee/0x170 [13651.685384][ T7704] __sys_sendmsg+0xcd/0x170 [13651.685384][ T7704] do_syscall_64+0xc6/0x1e0 [13651.685384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13651.685384][ T7704] [13651.687655][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13651.687655][ T7704] netdev_get_by_index+0x5e/0x80 [13651.687655][ T7704] fib6_nh_init+0x3d8/0x15b0 [13651.687655][ T7704] ip6_route_info_create+0xf18/0x17d0 [13651.687655][ T7704] addrconf_f6i_alloc+0x315/0x560 [13651.687655][ T7704] ipv6_add_addr+0x411/0x2000 [13651.687655][ T7704] inet6_addr_add+0x30e/0xa40 [13651.687655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13651.687655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13651.687655][ T7704] netlink_rcv_skb+0x130/0x360 [13651.687655][ T7704] netlink_unicast+0x449/0x710 [13651.687655][ T7704] netlink_sendmsg+0x723/0xbe0 [13651.687655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13651.687655][ T7704] ___sys_sendmsg+0xee/0x170 [13651.687655][ T7704] __sys_sendmsg+0xcd/0x170 [13651.687655][ T7704] do_syscall_64+0xc6/0x1e0 [13651.687655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13651.687655][ T7704] [13651.689885][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13651.689885][ T7704] netdev_get_by_index+0x5e/0x80 [13651.689885][ T7704] fib6_nh_init+0x3d8/0x15b0 [13651.689885][ T7704] ip6_route_info_create+0xf18/0x17d0 [13651.689885][ T7704] ip6_route_add+0x1c/0x140 [13651.689885][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13651.689885][ T7704] addrconf_add_dev+0xe2/0x170 [13651.689885][ T7704] inet6_addr_add+0x12f/0xa40 [13651.689885][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13651.689885][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13651.689885][ T7704] netlink_rcv_skb+0x130/0x360 [13651.689885][ T7704] netlink_unicast+0x449/0x710 [13651.689885][ T7704] netlink_sendmsg+0x723/0xbe0 [13651.689885][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13651.689885][ T7704] ___sys_sendmsg+0xee/0x170 [13651.689885][ T7704] __sys_sendmsg+0xcd/0x170 [13651.689885][ T7704] do_syscall_64+0xc6/0x1e0 [13651.689885][ T7704] [13651.692062][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13651.692062][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13651.692062][ T7704] ipv6_find_idev+0x102/0x170 [13651.692062][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13651.692062][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13651.692062][ T7704] netlink_rcv_skb+0x130/0x360 [13651.692062][ T7704] netlink_unicast+0x449/0x710 [13651.692062][ T7704] netlink_sendmsg+0x723/0xbe0 [13651.692062][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13651.692062][ T7704] ___sys_sendmsg+0xee/0x170 [13651.692062][ T7704] __sys_sendmsg+0xcd/0x170 [13651.692062][ T7704] do_syscall_64+0xc6/0x1e0 [13651.692062][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13651.692062][ T7704] [13651.693784][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13651.693784][ T7704] neigh_parms_alloc+0x1e5/0x510 [13651.693784][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13651.693784][ T7704] ipv6_find_idev+0x102/0x170 [13651.693784][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13651.693784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13651.693784][ T7704] netlink_rcv_skb+0x130/0x360 [13651.693784][ T7704] netlink_unicast+0x449/0x710 [13651.693784][ T7704] netlink_sendmsg+0x723/0xbe0 [13651.693784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13651.693784][ T7704] ___sys_sendmsg+0xee/0x170 [13651.693784][ T7704] __sys_sendmsg+0xcd/0x170 [13651.693784][ T7704] do_syscall_64+0xc6/0x1e0 [13651.693784][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13651.693784][ T7704] [13661.932874][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13661.933396][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13661.933396][ T7704] netdev_get_by_index+0x5e/0x80 [13661.933396][ T7704] fib6_nh_init+0x3d8/0x15b0 [13661.933396][ T7704] ip6_route_info_create+0xf18/0x17d0 [13661.933396][ T7704] ip6_route_add+0x1c/0x140 [13661.933396][ T7704] addrconf_prefix_route+0x2a6/0x430 [13661.933396][ T7704] inet6_addr_add+0x4f8/0xa40 [13661.933396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13661.933396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13661.933396][ T7704] netlink_rcv_skb+0x130/0x360 [13661.933396][ T7704] netlink_unicast+0x449/0x710 [13661.933396][ T7704] netlink_sendmsg+0x723/0xbe0 [13661.933396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13661.933396][ T7704] ___sys_sendmsg+0xee/0x170 [13661.933396][ T7704] __sys_sendmsg+0xcd/0x170 [13661.933396][ T7704] do_syscall_64+0xc6/0x1e0 [13661.933396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13661.933396][ T7704] [13661.935683][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13661.935683][ T7704] netdev_get_by_index+0x5e/0x80 [13661.935683][ T7704] fib6_nh_init+0x3d8/0x15b0 [13661.935683][ T7704] ip6_route_info_create+0xf18/0x17d0 [13661.935683][ T7704] addrconf_f6i_alloc+0x315/0x560 [13661.935683][ T7704] ipv6_add_addr+0x411/0x2000 [13661.935683][ T7704] inet6_addr_add+0x30e/0xa40 [13661.935683][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13661.935683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13661.935683][ T7704] netlink_rcv_skb+0x130/0x360 [13661.935683][ T7704] netlink_unicast+0x449/0x710 [13661.935683][ T7704] netlink_sendmsg+0x723/0xbe0 [13661.935683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13661.935683][ T7704] ___sys_sendmsg+0xee/0x170 [13661.935683][ T7704] __sys_sendmsg+0xcd/0x170 [13661.935683][ T7704] do_syscall_64+0xc6/0x1e0 [13661.935683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13661.935683][ T7704] [13661.937909][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13661.937909][ T7704] netdev_get_by_index+0x5e/0x80 [13661.937909][ T7704] fib6_nh_init+0x3d8/0x15b0 [13661.937909][ T7704] ip6_route_info_create+0xf18/0x17d0 [13661.937909][ T7704] ip6_route_add+0x1c/0x140 [13661.937909][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13661.937909][ T7704] addrconf_add_dev+0xe2/0x170 [13661.937909][ T7704] inet6_addr_add+0x12f/0xa40 [13661.937909][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13661.937909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13661.937909][ T7704] netlink_rcv_skb+0x130/0x360 [13661.937909][ T7704] netlink_unicast+0x449/0x710 [13661.937909][ T7704] netlink_sendmsg+0x723/0xbe0 [13661.937909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13661.937909][ T7704] ___sys_sendmsg+0xee/0x170 [13661.937909][ T7704] __sys_sendmsg+0xcd/0x170 [13661.937909][ T7704] do_syscall_64+0xc6/0x1e0 [13661.937909][ T7704] [13661.940166][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13661.940166][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13661.940166][ T7704] ipv6_find_idev+0x102/0x170 [13661.940166][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13661.940166][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13661.940166][ T7704] netlink_rcv_skb+0x130/0x360 [13661.940166][ T7704] netlink_unicast+0x449/0x710 [13661.940166][ T7704] netlink_sendmsg+0x723/0xbe0 [13661.940166][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13661.940166][ T7704] ___sys_sendmsg+0xee/0x170 [13661.940166][ T7704] __sys_sendmsg+0xcd/0x170 [13661.940166][ T7704] do_syscall_64+0xc6/0x1e0 [13661.940166][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13661.940166][ T7704] [13661.941875][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13661.941875][ T7704] neigh_parms_alloc+0x1e5/0x510 [13661.941875][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13661.941875][ T7704] ipv6_find_idev+0x102/0x170 [13661.941875][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13661.941875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13661.941875][ T7704] netlink_rcv_skb+0x130/0x360 [13661.941875][ T7704] netlink_unicast+0x449/0x710 [13661.941875][ T7704] netlink_sendmsg+0x723/0xbe0 [13661.941875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13661.941875][ T7704] ___sys_sendmsg+0xee/0x170 [13661.941875][ T7704] __sys_sendmsg+0xcd/0x170 [13661.941875][ T7704] do_syscall_64+0xc6/0x1e0 [13661.941875][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13661.941875][ T7704] [13672.180932][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13672.181483][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13672.181483][ T7704] netdev_get_by_index+0x5e/0x80 [13672.181483][ T7704] fib6_nh_init+0x3d8/0x15b0 [13672.181483][ T7704] ip6_route_info_create+0xf18/0x17d0 [13672.181483][ T7704] ip6_route_add+0x1c/0x140 [13672.181483][ T7704] addrconf_prefix_route+0x2a6/0x430 [13672.181483][ T7704] inet6_addr_add+0x4f8/0xa40 [13672.181483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13672.181483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13672.181483][ T7704] netlink_rcv_skb+0x130/0x360 [13672.181483][ T7704] netlink_unicast+0x449/0x710 [13672.181483][ T7704] netlink_sendmsg+0x723/0xbe0 [13672.181483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13672.181483][ T7704] ___sys_sendmsg+0xee/0x170 [13672.181483][ T7704] __sys_sendmsg+0xcd/0x170 [13672.181483][ T7704] do_syscall_64+0xc6/0x1e0 [13672.181483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13672.181483][ T7704] [13672.183791][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13672.183791][ T7704] netdev_get_by_index+0x5e/0x80 [13672.183791][ T7704] fib6_nh_init+0x3d8/0x15b0 [13672.183791][ T7704] ip6_route_info_create+0xf18/0x17d0 [13672.183791][ T7704] addrconf_f6i_alloc+0x315/0x560 [13672.183791][ T7704] ipv6_add_addr+0x411/0x2000 [13672.183791][ T7704] inet6_addr_add+0x30e/0xa40 [13672.183791][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13672.183791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13672.183791][ T7704] netlink_rcv_skb+0x130/0x360 [13672.183791][ T7704] netlink_unicast+0x449/0x710 [13672.183791][ T7704] netlink_sendmsg+0x723/0xbe0 [13672.183791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13672.183791][ T7704] ___sys_sendmsg+0xee/0x170 [13672.183791][ T7704] __sys_sendmsg+0xcd/0x170 [13672.183791][ T7704] do_syscall_64+0xc6/0x1e0 [13672.183791][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13672.183791][ T7704] [13672.186057][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13672.186057][ T7704] netdev_get_by_index+0x5e/0x80 [13672.186057][ T7704] fib6_nh_init+0x3d8/0x15b0 [13672.186057][ T7704] ip6_route_info_create+0xf18/0x17d0 [13672.186057][ T7704] ip6_route_add+0x1c/0x140 [13672.186057][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13672.186057][ T7704] addrconf_add_dev+0xe2/0x170 [13672.186057][ T7704] inet6_addr_add+0x12f/0xa40 [13672.186057][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13672.186057][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13672.186057][ T7704] netlink_rcv_skb+0x130/0x360 [13672.186057][ T7704] netlink_unicast+0x449/0x710 [13672.186057][ T7704] netlink_sendmsg+0x723/0xbe0 [13672.186057][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13672.186057][ T7704] ___sys_sendmsg+0xee/0x170 [13672.186057][ T7704] __sys_sendmsg+0xcd/0x170 [13672.186057][ T7704] do_syscall_64+0xc6/0x1e0 [13672.186057][ T7704] [13672.188328][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13672.188328][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13672.188328][ T7704] ipv6_find_idev+0x102/0x170 [13672.188328][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13672.188328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13672.188328][ T7704] netlink_rcv_skb+0x130/0x360 [13672.188328][ T7704] netlink_unicast+0x449/0x710 [13672.188328][ T7704] netlink_sendmsg+0x723/0xbe0 [13672.188328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13672.188328][ T7704] ___sys_sendmsg+0xee/0x170 [13672.188328][ T7704] __sys_sendmsg+0xcd/0x170 [13672.188328][ T7704] do_syscall_64+0xc6/0x1e0 [13672.188328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13672.188328][ T7704] [13672.190204][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13672.190204][ T7704] neigh_parms_alloc+0x1e5/0x510 [13672.190204][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13672.190204][ T7704] ipv6_find_idev+0x102/0x170 [13672.190204][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13672.190204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13672.190204][ T7704] netlink_rcv_skb+0x130/0x360 [13672.190204][ T7704] netlink_unicast+0x449/0x710 [13672.190204][ T7704] netlink_sendmsg+0x723/0xbe0 [13672.190204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13672.190204][ T7704] ___sys_sendmsg+0xee/0x170 [13672.190204][ T7704] __sys_sendmsg+0xcd/0x170 [13672.190204][ T7704] do_syscall_64+0xc6/0x1e0 [13672.190204][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13672.190204][ T7704] [13682.348829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13682.349362][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13682.349362][ T7704] netdev_get_by_index+0x5e/0x80 [13682.349362][ T7704] fib6_nh_init+0x3d8/0x15b0 [13682.349362][ T7704] ip6_route_info_create+0xf18/0x17d0 [13682.349362][ T7704] ip6_route_add+0x1c/0x140 [13682.349362][ T7704] addrconf_prefix_route+0x2a6/0x430 [13682.349362][ T7704] inet6_addr_add+0x4f8/0xa40 [13682.349362][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13682.349362][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13682.349362][ T7704] netlink_rcv_skb+0x130/0x360 [13682.349362][ T7704] netlink_unicast+0x449/0x710 [13682.349362][ T7704] netlink_sendmsg+0x723/0xbe0 [13682.349362][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13682.349362][ T7704] ___sys_sendmsg+0xee/0x170 [13682.349362][ T7704] __sys_sendmsg+0xcd/0x170 [13682.349362][ T7704] do_syscall_64+0xc6/0x1e0 [13682.349362][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13682.349362][ T7704] [13682.351858][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13682.351858][ T7704] netdev_get_by_index+0x5e/0x80 [13682.351858][ T7704] fib6_nh_init+0x3d8/0x15b0 [13682.351858][ T7704] ip6_route_info_create+0xf18/0x17d0 [13682.351858][ T7704] addrconf_f6i_alloc+0x315/0x560 [13682.351858][ T7704] ipv6_add_addr+0x411/0x2000 [13682.351858][ T7704] inet6_addr_add+0x30e/0xa40 [13682.351858][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13682.351858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13682.351858][ T7704] netlink_rcv_skb+0x130/0x360 [13682.351858][ T7704] netlink_unicast+0x449/0x710 [13682.351858][ T7704] netlink_sendmsg+0x723/0xbe0 [13682.351858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13682.351858][ T7704] ___sys_sendmsg+0xee/0x170 [13682.351858][ T7704] __sys_sendmsg+0xcd/0x170 [13682.351858][ T7704] do_syscall_64+0xc6/0x1e0 [13682.351858][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13682.351858][ T7704] [13682.354346][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13682.354346][ T7704] netdev_get_by_index+0x5e/0x80 [13682.354346][ T7704] fib6_nh_init+0x3d8/0x15b0 [13682.354346][ T7704] ip6_route_info_create+0xf18/0x17d0 [13682.354346][ T7704] ip6_route_add+0x1c/0x140 [13682.354346][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13682.354346][ T7704] addrconf_add_dev+0xe2/0x170 [13682.354346][ T7704] inet6_addr_add+0x12f/0xa40 [13682.354346][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13682.354346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13682.354346][ T7704] netlink_rcv_skb+0x130/0x360 [13682.354346][ T7704] netlink_unicast+0x449/0x710 [13682.354346][ T7704] netlink_sendmsg+0x723/0xbe0 [13682.354346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13682.354346][ T7704] ___sys_sendmsg+0xee/0x170 [13682.354346][ T7704] __sys_sendmsg+0xcd/0x170 [13682.354346][ T7704] do_syscall_64+0xc6/0x1e0 [13682.354346][ T7704] [13682.356863][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13682.356863][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13682.356863][ T7704] ipv6_find_idev+0x102/0x170 [13682.356863][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13682.356863][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13682.356863][ T7704] netlink_rcv_skb+0x130/0x360 [13682.356863][ T7704] netlink_unicast+0x449/0x710 [13682.356863][ T7704] netlink_sendmsg+0x723/0xbe0 [13682.356863][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13682.356863][ T7704] ___sys_sendmsg+0xee/0x170 [13682.356863][ T7704] __sys_sendmsg+0xcd/0x170 [13682.356863][ T7704] do_syscall_64+0xc6/0x1e0 [13682.356863][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13682.356863][ T7704] [13682.358829][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13682.358829][ T7704] neigh_parms_alloc+0x1e5/0x510 [13682.358829][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13682.358829][ T7704] ipv6_find_idev+0x102/0x170 [13682.358829][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13682.358829][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13682.358829][ T7704] netlink_rcv_skb+0x130/0x360 [13682.358829][ T7704] netlink_unicast+0x449/0x710 [13682.358829][ T7704] netlink_sendmsg+0x723/0xbe0 [13682.358829][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13682.358829][ T7704] ___sys_sendmsg+0xee/0x170 [13682.358829][ T7704] __sys_sendmsg+0xcd/0x170 [13682.358829][ T7704] do_syscall_64+0xc6/0x1e0 [13682.358829][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13682.358829][ T7704] [13692.396800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13692.397381][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13692.397381][ T7704] netdev_get_by_index+0x5e/0x80 [13692.397381][ T7704] fib6_nh_init+0x3d8/0x15b0 [13692.397381][ T7704] ip6_route_info_create+0xf18/0x17d0 [13692.397381][ T7704] ip6_route_add+0x1c/0x140 [13692.397381][ T7704] addrconf_prefix_route+0x2a6/0x430 [13692.397381][ T7704] inet6_addr_add+0x4f8/0xa40 [13692.397381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13692.397381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13692.397381][ T7704] netlink_rcv_skb+0x130/0x360 [13692.397381][ T7704] netlink_unicast+0x449/0x710 [13692.397381][ T7704] netlink_sendmsg+0x723/0xbe0 [13692.397381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13692.397381][ T7704] ___sys_sendmsg+0xee/0x170 [13692.397381][ T7704] __sys_sendmsg+0xcd/0x170 [13692.397381][ T7704] do_syscall_64+0xc6/0x1e0 [13692.397381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13692.397381][ T7704] [13692.399646][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13692.399646][ T7704] netdev_get_by_index+0x5e/0x80 [13692.399646][ T7704] fib6_nh_init+0x3d8/0x15b0 [13692.399646][ T7704] ip6_route_info_create+0xf18/0x17d0 [13692.399646][ T7704] addrconf_f6i_alloc+0x315/0x560 [13692.399646][ T7704] ipv6_add_addr+0x411/0x2000 [13692.399646][ T7704] inet6_addr_add+0x30e/0xa40 [13692.399646][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13692.399646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13692.399646][ T7704] netlink_rcv_skb+0x130/0x360 [13692.399646][ T7704] netlink_unicast+0x449/0x710 [13692.399646][ T7704] netlink_sendmsg+0x723/0xbe0 [13692.399646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13692.399646][ T7704] ___sys_sendmsg+0xee/0x170 [13692.399646][ T7704] __sys_sendmsg+0xcd/0x170 [13692.399646][ T7704] do_syscall_64+0xc6/0x1e0 [13692.399646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13692.399646][ T7704] [13692.401853][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13692.401853][ T7704] netdev_get_by_index+0x5e/0x80 [13692.401853][ T7704] fib6_nh_init+0x3d8/0x15b0 [13692.401853][ T7704] ip6_route_info_create+0xf18/0x17d0 [13692.401853][ T7704] ip6_route_add+0x1c/0x140 [13692.401853][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13692.401853][ T7704] addrconf_add_dev+0xe2/0x170 [13692.401853][ T7704] inet6_addr_add+0x12f/0xa40 [13692.401853][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13692.401853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13692.401853][ T7704] netlink_rcv_skb+0x130/0x360 [13692.401853][ T7704] netlink_unicast+0x449/0x710 [13692.401853][ T7704] netlink_sendmsg+0x723/0xbe0 [13692.401853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13692.401853][ T7704] ___sys_sendmsg+0xee/0x170 [13692.401853][ T7704] __sys_sendmsg+0xcd/0x170 [13692.401853][ T7704] do_syscall_64+0xc6/0x1e0 [13692.401853][ T7704] [13692.404034][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13692.404034][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13692.404034][ T7704] ipv6_find_idev+0x102/0x170 [13692.404034][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13692.404034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13692.404034][ T7704] netlink_rcv_skb+0x130/0x360 [13692.404034][ T7704] netlink_unicast+0x449/0x710 [13692.404034][ T7704] netlink_sendmsg+0x723/0xbe0 [13692.404034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13692.404034][ T7704] ___sys_sendmsg+0xee/0x170 [13692.404034][ T7704] __sys_sendmsg+0xcd/0x170 [13692.404034][ T7704] do_syscall_64+0xc6/0x1e0 [13692.404034][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13692.404034][ T7704] [13692.405728][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13692.405728][ T7704] neigh_parms_alloc+0x1e5/0x510 [13692.405728][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13692.405728][ T7704] ipv6_find_idev+0x102/0x170 [13692.405728][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13692.405728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13692.405728][ T7704] netlink_rcv_skb+0x130/0x360 [13692.405728][ T7704] netlink_unicast+0x449/0x710 [13692.405728][ T7704] netlink_sendmsg+0x723/0xbe0 [13692.405728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13692.405728][ T7704] ___sys_sendmsg+0xee/0x170 [13692.405728][ T7704] __sys_sendmsg+0xcd/0x170 [13692.405728][ T7704] do_syscall_64+0xc6/0x1e0 [13692.405728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13692.405728][ T7704] [13702.644836][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13702.645361][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13702.645361][ T7704] netdev_get_by_index+0x5e/0x80 [13702.645361][ T7704] fib6_nh_init+0x3d8/0x15b0 [13702.645361][ T7704] ip6_route_info_create+0xf18/0x17d0 [13702.645361][ T7704] ip6_route_add+0x1c/0x140 [13702.645361][ T7704] addrconf_prefix_route+0x2a6/0x430 [13702.645361][ T7704] inet6_addr_add+0x4f8/0xa40 [13702.645361][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13702.645361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13702.645361][ T7704] netlink_rcv_skb+0x130/0x360 [13702.645361][ T7704] netlink_unicast+0x449/0x710 [13702.645361][ T7704] netlink_sendmsg+0x723/0xbe0 [13702.645361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13702.645361][ T7704] ___sys_sendmsg+0xee/0x170 [13702.645361][ T7704] __sys_sendmsg+0xcd/0x170 [13702.645361][ T7704] do_syscall_64+0xc6/0x1e0 [13702.645361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13702.645361][ T7704] [13702.647632][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13702.647632][ T7704] netdev_get_by_index+0x5e/0x80 [13702.647632][ T7704] fib6_nh_init+0x3d8/0x15b0 [13702.647632][ T7704] ip6_route_info_create+0xf18/0x17d0 [13702.647632][ T7704] addrconf_f6i_alloc+0x315/0x560 [13702.647632][ T7704] ipv6_add_addr+0x411/0x2000 [13702.647632][ T7704] inet6_addr_add+0x30e/0xa40 [13702.647632][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13702.647632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13702.647632][ T7704] netlink_rcv_skb+0x130/0x360 [13702.647632][ T7704] netlink_unicast+0x449/0x710 [13702.647632][ T7704] netlink_sendmsg+0x723/0xbe0 [13702.647632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13702.647632][ T7704] ___sys_sendmsg+0xee/0x170 [13702.647632][ T7704] __sys_sendmsg+0xcd/0x170 [13702.647632][ T7704] do_syscall_64+0xc6/0x1e0 [13702.647632][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13702.647632][ T7704] [13702.649835][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13702.649835][ T7704] netdev_get_by_index+0x5e/0x80 [13702.649835][ T7704] fib6_nh_init+0x3d8/0x15b0 [13702.649835][ T7704] ip6_route_info_create+0xf18/0x17d0 [13702.649835][ T7704] ip6_route_add+0x1c/0x140 [13702.649835][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13702.649835][ T7704] addrconf_add_dev+0xe2/0x170 [13702.649835][ T7704] inet6_addr_add+0x12f/0xa40 [13702.649835][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13702.649835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13702.649835][ T7704] netlink_rcv_skb+0x130/0x360 [13702.649835][ T7704] netlink_unicast+0x449/0x710 [13702.649835][ T7704] netlink_sendmsg+0x723/0xbe0 [13702.649835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13702.649835][ T7704] ___sys_sendmsg+0xee/0x170 [13702.649835][ T7704] __sys_sendmsg+0xcd/0x170 [13702.649835][ T7704] do_syscall_64+0xc6/0x1e0 [13702.649835][ T7704] [13702.652011][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13702.652011][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13702.652011][ T7704] ipv6_find_idev+0x102/0x170 [13702.652011][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13702.652011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13702.652011][ T7704] netlink_rcv_skb+0x130/0x360 [13702.652011][ T7704] netlink_unicast+0x449/0x710 [13702.652011][ T7704] netlink_sendmsg+0x723/0xbe0 [13702.652011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13702.652011][ T7704] ___sys_sendmsg+0xee/0x170 [13702.652011][ T7704] __sys_sendmsg+0xcd/0x170 [13702.652011][ T7704] do_syscall_64+0xc6/0x1e0 [13702.652011][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13702.652011][ T7704] [13702.653750][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13702.653750][ T7704] neigh_parms_alloc+0x1e5/0x510 [13702.653750][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13702.653750][ T7704] ipv6_find_idev+0x102/0x170 [13702.653750][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13702.653750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13702.653750][ T7704] netlink_rcv_skb+0x130/0x360 [13702.653750][ T7704] netlink_unicast+0x449/0x710 [13702.653750][ T7704] netlink_sendmsg+0x723/0xbe0 [13702.653750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13702.653750][ T7704] ___sys_sendmsg+0xee/0x170 [13702.653750][ T7704] __sys_sendmsg+0xcd/0x170 [13702.653750][ T7704] do_syscall_64+0xc6/0x1e0 [13702.653750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13702.653750][ T7704] [13712.868793][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13712.869244][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13712.869244][ T7704] netdev_get_by_index+0x5e/0x80 [13712.869244][ T7704] fib6_nh_init+0x3d8/0x15b0 [13712.869244][ T7704] ip6_route_info_create+0xf18/0x17d0 [13712.869244][ T7704] ip6_route_add+0x1c/0x140 [13712.869244][ T7704] addrconf_prefix_route+0x2a6/0x430 [13712.869244][ T7704] inet6_addr_add+0x4f8/0xa40 [13712.869244][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13712.869244][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13712.869244][ T7704] netlink_rcv_skb+0x130/0x360 [13712.869244][ T7704] netlink_unicast+0x449/0x710 [13712.869244][ T7704] netlink_sendmsg+0x723/0xbe0 [13712.869244][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13712.869244][ T7704] ___sys_sendmsg+0xee/0x170 [13712.869244][ T7704] __sys_sendmsg+0xcd/0x170 [13712.869244][ T7704] do_syscall_64+0xc6/0x1e0 [13712.869244][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13712.869244][ T7704] [13712.871466][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13712.871466][ T7704] netdev_get_by_index+0x5e/0x80 [13712.871466][ T7704] fib6_nh_init+0x3d8/0x15b0 [13712.871466][ T7704] ip6_route_info_create+0xf18/0x17d0 [13712.871466][ T7704] addrconf_f6i_alloc+0x315/0x560 [13712.871466][ T7704] ipv6_add_addr+0x411/0x2000 [13712.871466][ T7704] inet6_addr_add+0x30e/0xa40 [13712.871466][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13712.871466][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13712.871466][ T7704] netlink_rcv_skb+0x130/0x360 [13712.871466][ T7704] netlink_unicast+0x449/0x710 [13712.871466][ T7704] netlink_sendmsg+0x723/0xbe0 [13712.871466][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13712.871466][ T7704] ___sys_sendmsg+0xee/0x170 [13712.871466][ T7704] __sys_sendmsg+0xcd/0x170 [13712.871466][ T7704] do_syscall_64+0xc6/0x1e0 [13712.871466][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13712.871466][ T7704] [13712.873681][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13712.873681][ T7704] netdev_get_by_index+0x5e/0x80 [13712.873681][ T7704] fib6_nh_init+0x3d8/0x15b0 [13712.873681][ T7704] ip6_route_info_create+0xf18/0x17d0 [13712.873681][ T7704] ip6_route_add+0x1c/0x140 [13712.873681][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13712.873681][ T7704] addrconf_add_dev+0xe2/0x170 [13712.873681][ T7704] inet6_addr_add+0x12f/0xa40 [13712.873681][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13712.873681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13712.873681][ T7704] netlink_rcv_skb+0x130/0x360 [13712.873681][ T7704] netlink_unicast+0x449/0x710 [13712.873681][ T7704] netlink_sendmsg+0x723/0xbe0 [13712.873681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13712.873681][ T7704] ___sys_sendmsg+0xee/0x170 [13712.873681][ T7704] __sys_sendmsg+0xcd/0x170 [13712.873681][ T7704] do_syscall_64+0xc6/0x1e0 [13712.873681][ T7704] [13712.875840][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13712.875840][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13712.875840][ T7704] ipv6_find_idev+0x102/0x170 [13712.875840][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13712.875840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13712.875840][ T7704] netlink_rcv_skb+0x130/0x360 [13712.875840][ T7704] netlink_unicast+0x449/0x710 [13712.875840][ T7704] netlink_sendmsg+0x723/0xbe0 [13712.875840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13712.875840][ T7704] ___sys_sendmsg+0xee/0x170 [13712.875840][ T7704] __sys_sendmsg+0xcd/0x170 [13712.875840][ T7704] do_syscall_64+0xc6/0x1e0 [13712.875840][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13712.875840][ T7704] [13712.877550][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13712.877550][ T7704] neigh_parms_alloc+0x1e5/0x510 [13712.877550][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13712.877550][ T7704] ipv6_find_idev+0x102/0x170 [13712.877550][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13712.877550][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13712.877550][ T7704] netlink_rcv_skb+0x130/0x360 [13712.877550][ T7704] netlink_unicast+0x449/0x710 [13712.877550][ T7704] netlink_sendmsg+0x723/0xbe0 [13712.877550][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13712.877550][ T7704] ___sys_sendmsg+0xee/0x170 [13712.877550][ T7704] __sys_sendmsg+0xcd/0x170 [13712.877550][ T7704] do_syscall_64+0xc6/0x1e0 [13712.877550][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13712.877550][ T7704] [13722.940805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13722.941342][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13722.941342][ T7704] netdev_get_by_index+0x5e/0x80 [13722.941342][ T7704] fib6_nh_init+0x3d8/0x15b0 [13722.941342][ T7704] ip6_route_info_create+0xf18/0x17d0 [13722.941342][ T7704] ip6_route_add+0x1c/0x140 [13722.941342][ T7704] addrconf_prefix_route+0x2a6/0x430 [13722.941342][ T7704] inet6_addr_add+0x4f8/0xa40 [13722.941342][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13722.941342][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13722.941342][ T7704] netlink_rcv_skb+0x130/0x360 [13722.941342][ T7704] netlink_unicast+0x449/0x710 [13722.941342][ T7704] netlink_sendmsg+0x723/0xbe0 [13722.941342][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13722.941342][ T7704] ___sys_sendmsg+0xee/0x170 [13722.941342][ T7704] __sys_sendmsg+0xcd/0x170 [13722.941342][ T7704] do_syscall_64+0xc6/0x1e0 [13722.941342][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13722.941342][ T7704] [13722.943685][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13722.943685][ T7704] netdev_get_by_index+0x5e/0x80 [13722.943685][ T7704] fib6_nh_init+0x3d8/0x15b0 [13722.943685][ T7704] ip6_route_info_create+0xf18/0x17d0 [13722.943685][ T7704] addrconf_f6i_alloc+0x315/0x560 [13722.943685][ T7704] ipv6_add_addr+0x411/0x2000 [13722.943685][ T7704] inet6_addr_add+0x30e/0xa40 [13722.943685][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13722.943685][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13722.943685][ T7704] netlink_rcv_skb+0x130/0x360 [13722.943685][ T7704] netlink_unicast+0x449/0x710 [13722.943685][ T7704] netlink_sendmsg+0x723/0xbe0 [13722.943685][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13722.943685][ T7704] ___sys_sendmsg+0xee/0x170 [13722.943685][ T7704] __sys_sendmsg+0xcd/0x170 [13722.943685][ T7704] do_syscall_64+0xc6/0x1e0 [13722.943685][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13722.943685][ T7704] [13722.945903][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13722.945903][ T7704] netdev_get_by_index+0x5e/0x80 [13722.945903][ T7704] fib6_nh_init+0x3d8/0x15b0 [13722.945903][ T7704] ip6_route_info_create+0xf18/0x17d0 [13722.945903][ T7704] ip6_route_add+0x1c/0x140 [13722.945903][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13722.945903][ T7704] addrconf_add_dev+0xe2/0x170 [13722.945903][ T7704] inet6_addr_add+0x12f/0xa40 [13722.945903][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13722.945903][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13722.945903][ T7704] netlink_rcv_skb+0x130/0x360 [13722.945903][ T7704] netlink_unicast+0x449/0x710 [13722.945903][ T7704] netlink_sendmsg+0x723/0xbe0 [13722.945903][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13722.945903][ T7704] ___sys_sendmsg+0xee/0x170 [13722.945903][ T7704] __sys_sendmsg+0xcd/0x170 [13722.945903][ T7704] do_syscall_64+0xc6/0x1e0 [13722.945903][ T7704] [13722.948101][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13722.948101][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13722.948101][ T7704] ipv6_find_idev+0x102/0x170 [13722.948101][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13722.948101][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13722.948101][ T7704] netlink_rcv_skb+0x130/0x360 [13722.948101][ T7704] netlink_unicast+0x449/0x710 [13722.948101][ T7704] netlink_sendmsg+0x723/0xbe0 [13722.948101][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13722.948101][ T7704] ___sys_sendmsg+0xee/0x170 [13722.948101][ T7704] __sys_sendmsg+0xcd/0x170 [13722.948101][ T7704] do_syscall_64+0xc6/0x1e0 [13722.948101][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13722.948101][ T7704] [13722.949801][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13722.949801][ T7704] neigh_parms_alloc+0x1e5/0x510 [13722.949801][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13722.949801][ T7704] ipv6_find_idev+0x102/0x170 [13722.949801][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13722.949801][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13722.949801][ T7704] netlink_rcv_skb+0x130/0x360 [13722.949801][ T7704] netlink_unicast+0x449/0x710 [13722.949801][ T7704] netlink_sendmsg+0x723/0xbe0 [13722.949801][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13722.949801][ T7704] ___sys_sendmsg+0xee/0x170 [13722.949801][ T7704] __sys_sendmsg+0xcd/0x170 [13722.949801][ T7704] do_syscall_64+0xc6/0x1e0 [13722.949801][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13722.949801][ T7704] [13733.116879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13733.117408][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13733.117408][ T7704] netdev_get_by_index+0x5e/0x80 [13733.117408][ T7704] fib6_nh_init+0x3d8/0x15b0 [13733.117408][ T7704] ip6_route_info_create+0xf18/0x17d0 [13733.117408][ T7704] ip6_route_add+0x1c/0x140 [13733.117408][ T7704] addrconf_prefix_route+0x2a6/0x430 [13733.117408][ T7704] inet6_addr_add+0x4f8/0xa40 [13733.117408][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13733.117408][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13733.117408][ T7704] netlink_rcv_skb+0x130/0x360 [13733.117408][ T7704] netlink_unicast+0x449/0x710 [13733.117408][ T7704] netlink_sendmsg+0x723/0xbe0 [13733.117408][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13733.117408][ T7704] ___sys_sendmsg+0xee/0x170 [13733.117408][ T7704] __sys_sendmsg+0xcd/0x170 [13733.117408][ T7704] do_syscall_64+0xc6/0x1e0 [13733.117408][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13733.117408][ T7704] [13733.119647][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13733.119647][ T7704] netdev_get_by_index+0x5e/0x80 [13733.119647][ T7704] fib6_nh_init+0x3d8/0x15b0 [13733.119647][ T7704] ip6_route_info_create+0xf18/0x17d0 [13733.119647][ T7704] addrconf_f6i_alloc+0x315/0x560 [13733.119647][ T7704] ipv6_add_addr+0x411/0x2000 [13733.119647][ T7704] inet6_addr_add+0x30e/0xa40 [13733.119647][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13733.119647][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13733.119647][ T7704] netlink_rcv_skb+0x130/0x360 [13733.119647][ T7704] netlink_unicast+0x449/0x710 [13733.119647][ T7704] netlink_sendmsg+0x723/0xbe0 [13733.119647][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13733.119647][ T7704] ___sys_sendmsg+0xee/0x170 [13733.119647][ T7704] __sys_sendmsg+0xcd/0x170 [13733.119647][ T7704] do_syscall_64+0xc6/0x1e0 [13733.119647][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13733.119647][ T7704] [13733.121857][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13733.121857][ T7704] netdev_get_by_index+0x5e/0x80 [13733.121857][ T7704] fib6_nh_init+0x3d8/0x15b0 [13733.121857][ T7704] ip6_route_info_create+0xf18/0x17d0 [13733.121857][ T7704] ip6_route_add+0x1c/0x140 [13733.121857][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13733.121857][ T7704] addrconf_add_dev+0xe2/0x170 [13733.121857][ T7704] inet6_addr_add+0x12f/0xa40 [13733.121857][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13733.121857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13733.121857][ T7704] netlink_rcv_skb+0x130/0x360 [13733.121857][ T7704] netlink_unicast+0x449/0x710 [13733.121857][ T7704] netlink_sendmsg+0x723/0xbe0 [13733.121857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13733.121857][ T7704] ___sys_sendmsg+0xee/0x170 [13733.121857][ T7704] __sys_sendmsg+0xcd/0x170 [13733.121857][ T7704] do_syscall_64+0xc6/0x1e0 [13733.121857][ T7704] [13733.124045][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13733.124045][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13733.124045][ T7704] ipv6_find_idev+0x102/0x170 [13733.124045][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13733.124045][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13733.124045][ T7704] netlink_rcv_skb+0x130/0x360 [13733.124045][ T7704] netlink_unicast+0x449/0x710 [13733.124045][ T7704] netlink_sendmsg+0x723/0xbe0 [13733.124045][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13733.124045][ T7704] ___sys_sendmsg+0xee/0x170 [13733.124045][ T7704] __sys_sendmsg+0xcd/0x170 [13733.124045][ T7704] do_syscall_64+0xc6/0x1e0 [13733.124045][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13733.124045][ T7704] [13733.125738][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13733.125738][ T7704] neigh_parms_alloc+0x1e5/0x510 [13733.125738][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13733.125738][ T7704] ipv6_find_idev+0x102/0x170 [13733.125738][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13733.125738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13733.125738][ T7704] netlink_rcv_skb+0x130/0x360 [13733.125738][ T7704] netlink_unicast+0x449/0x710 [13733.125738][ T7704] netlink_sendmsg+0x723/0xbe0 [13733.125738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13733.125738][ T7704] ___sys_sendmsg+0xee/0x170 [13733.125738][ T7704] __sys_sendmsg+0xcd/0x170 [13733.125738][ T7704] do_syscall_64+0xc6/0x1e0 [13733.125738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13733.125738][ T7704] [13743.332962][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13743.334071][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13743.334071][ T7704] netdev_get_by_index+0x5e/0x80 [13743.334071][ T7704] fib6_nh_init+0x3d8/0x15b0 [13743.334071][ T7704] ip6_route_info_create+0xf18/0x17d0 [13743.334071][ T7704] ip6_route_add+0x1c/0x140 [13743.334071][ T7704] addrconf_prefix_route+0x2a6/0x430 [13743.334071][ T7704] inet6_addr_add+0x4f8/0xa40 [13743.334071][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13743.334071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13743.334071][ T7704] netlink_rcv_skb+0x130/0x360 [13743.334071][ T7704] netlink_unicast+0x449/0x710 [13743.334071][ T7704] netlink_sendmsg+0x723/0xbe0 [13743.334071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13743.334071][ T7704] ___sys_sendmsg+0xee/0x170 [13743.334071][ T7704] __sys_sendmsg+0xcd/0x170 [13743.334071][ T7704] do_syscall_64+0xc6/0x1e0 [13743.334071][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13743.334071][ T7704] [13743.336335][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13743.336335][ T7704] netdev_get_by_index+0x5e/0x80 [13743.336335][ T7704] fib6_nh_init+0x3d8/0x15b0 [13743.336335][ T7704] ip6_route_info_create+0xf18/0x17d0 [13743.336335][ T7704] addrconf_f6i_alloc+0x315/0x560 [13743.336335][ T7704] ipv6_add_addr+0x411/0x2000 [13743.336335][ T7704] inet6_addr_add+0x30e/0xa40 [13743.336335][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13743.336335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13743.336335][ T7704] netlink_rcv_skb+0x130/0x360 [13743.336335][ T7704] netlink_unicast+0x449/0x710 [13743.336335][ T7704] netlink_sendmsg+0x723/0xbe0 [13743.336335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13743.336335][ T7704] ___sys_sendmsg+0xee/0x170 [13743.336335][ T7704] __sys_sendmsg+0xcd/0x170 [13743.336335][ T7704] do_syscall_64+0xc6/0x1e0 [13743.336335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13743.336335][ T7704] [13743.338544][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13743.338544][ T7704] netdev_get_by_index+0x5e/0x80 [13743.338544][ T7704] fib6_nh_init+0x3d8/0x15b0 [13743.338544][ T7704] ip6_route_info_create+0xf18/0x17d0 [13743.338544][ T7704] ip6_route_add+0x1c/0x140 [13743.338544][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13743.338544][ T7704] addrconf_add_dev+0xe2/0x170 [13743.338544][ T7704] inet6_addr_add+0x12f/0xa40 [13743.338544][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13743.338544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13743.338544][ T7704] netlink_rcv_skb+0x130/0x360 [13743.338544][ T7704] netlink_unicast+0x449/0x710 [13743.338544][ T7704] netlink_sendmsg+0x723/0xbe0 [13743.338544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13743.338544][ T7704] ___sys_sendmsg+0xee/0x170 [13743.338544][ T7704] __sys_sendmsg+0xcd/0x170 [13743.338544][ T7704] do_syscall_64+0xc6/0x1e0 [13743.338544][ T7704] [13743.340712][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13743.340712][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13743.340712][ T7704] ipv6_find_idev+0x102/0x170 [13743.340712][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13743.340712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13743.340712][ T7704] netlink_rcv_skb+0x130/0x360 [13743.340712][ T7704] netlink_unicast+0x449/0x710 [13743.340712][ T7704] netlink_sendmsg+0x723/0xbe0 [13743.340712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13743.340712][ T7704] ___sys_sendmsg+0xee/0x170 [13743.340712][ T7704] __sys_sendmsg+0xcd/0x170 [13743.340712][ T7704] do_syscall_64+0xc6/0x1e0 [13743.340712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13743.340712][ T7704] [13743.342406][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13743.342406][ T7704] neigh_parms_alloc+0x1e5/0x510 [13743.342406][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13743.342406][ T7704] ipv6_find_idev+0x102/0x170 [13743.342406][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13743.342406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13743.342406][ T7704] netlink_rcv_skb+0x130/0x360 [13743.342406][ T7704] netlink_unicast+0x449/0x710 [13743.342406][ T7704] netlink_sendmsg+0x723/0xbe0 [13743.342406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13743.342406][ T7704] ___sys_sendmsg+0xee/0x170 [13743.342406][ T7704] __sys_sendmsg+0xcd/0x170 [13743.342406][ T7704] do_syscall_64+0xc6/0x1e0 [13743.342406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13743.342406][ T7704] [13753.420826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13753.421526][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13753.421526][ T7704] netdev_get_by_index+0x5e/0x80 [13753.421526][ T7704] fib6_nh_init+0x3d8/0x15b0 [13753.421526][ T7704] ip6_route_info_create+0xf18/0x17d0 [13753.421526][ T7704] ip6_route_add+0x1c/0x140 [13753.421526][ T7704] addrconf_prefix_route+0x2a6/0x430 [13753.421526][ T7704] inet6_addr_add+0x4f8/0xa40 [13753.421526][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13753.421526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13753.421526][ T7704] netlink_rcv_skb+0x130/0x360 [13753.421526][ T7704] netlink_unicast+0x449/0x710 [13753.421526][ T7704] netlink_sendmsg+0x723/0xbe0 [13753.421526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13753.421526][ T7704] ___sys_sendmsg+0xee/0x170 [13753.421526][ T7704] __sys_sendmsg+0xcd/0x170 [13753.421526][ T7704] do_syscall_64+0xc6/0x1e0 [13753.421526][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13753.421526][ T7704] [13753.424940][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13753.424940][ T7704] netdev_get_by_index+0x5e/0x80 [13753.424940][ T7704] fib6_nh_init+0x3d8/0x15b0 [13753.424940][ T7704] ip6_route_info_create+0xf18/0x17d0 [13753.424940][ T7704] addrconf_f6i_alloc+0x315/0x560 [13753.424940][ T7704] ipv6_add_addr+0x411/0x2000 [13753.424940][ T7704] inet6_addr_add+0x30e/0xa40 [13753.424940][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13753.424940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13753.424940][ T7704] netlink_rcv_skb+0x130/0x360 [13753.424940][ T7704] netlink_unicast+0x449/0x710 [13753.424940][ T7704] netlink_sendmsg+0x723/0xbe0 [13753.424940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13753.424940][ T7704] ___sys_sendmsg+0xee/0x170 [13753.424940][ T7704] __sys_sendmsg+0xcd/0x170 [13753.424940][ T7704] do_syscall_64+0xc6/0x1e0 [13753.424940][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13753.424940][ T7704] [13753.428346][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13753.428346][ T7704] netdev_get_by_index+0x5e/0x80 [13753.428346][ T7704] fib6_nh_init+0x3d8/0x15b0 [13753.428346][ T7704] ip6_route_info_create+0xf18/0x17d0 [13753.428346][ T7704] ip6_route_add+0x1c/0x140 [13753.428346][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13753.428346][ T7704] addrconf_add_dev+0xe2/0x170 [13753.428346][ T7704] inet6_addr_add+0x12f/0xa40 [13753.428346][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13753.428346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13753.428346][ T7704] netlink_rcv_skb+0x130/0x360 [13753.428346][ T7704] netlink_unicast+0x449/0x710 [13753.428346][ T7704] netlink_sendmsg+0x723/0xbe0 [13753.428346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13753.428346][ T7704] ___sys_sendmsg+0xee/0x170 [13753.428346][ T7704] __sys_sendmsg+0xcd/0x170 [13753.428346][ T7704] do_syscall_64+0xc6/0x1e0 [13753.428346][ T7704] [13753.431774][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13753.431774][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13753.431774][ T7704] ipv6_find_idev+0x102/0x170 [13753.431774][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13753.431774][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13753.431774][ T7704] netlink_rcv_skb+0x130/0x360 [13753.431774][ T7704] netlink_unicast+0x449/0x710 [13753.431774][ T7704] netlink_sendmsg+0x723/0xbe0 [13753.431774][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13753.431774][ T7704] ___sys_sendmsg+0xee/0x170 [13753.431774][ T7704] __sys_sendmsg+0xcd/0x170 [13753.431774][ T7704] do_syscall_64+0xc6/0x1e0 [13753.431774][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13753.431774][ T7704] [13753.434467][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13753.434467][ T7704] neigh_parms_alloc+0x1e5/0x510 [13753.434467][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13753.434467][ T7704] ipv6_find_idev+0x102/0x170 [13753.434467][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13753.434467][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13753.434467][ T7704] netlink_rcv_skb+0x130/0x360 [13753.434467][ T7704] netlink_unicast+0x449/0x710 [13753.434467][ T7704] netlink_sendmsg+0x723/0xbe0 [13753.434467][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13753.434467][ T7704] ___sys_sendmsg+0xee/0x170 [13753.434467][ T7704] __sys_sendmsg+0xcd/0x170 [13753.434467][ T7704] do_syscall_64+0xc6/0x1e0 [13753.434467][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13753.434467][ T7704] [13763.676856][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13763.677398][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13763.677398][ T7704] netdev_get_by_index+0x5e/0x80 [13763.677398][ T7704] fib6_nh_init+0x3d8/0x15b0 [13763.677398][ T7704] ip6_route_info_create+0xf18/0x17d0 [13763.677398][ T7704] ip6_route_add+0x1c/0x140 [13763.677398][ T7704] addrconf_prefix_route+0x2a6/0x430 [13763.677398][ T7704] inet6_addr_add+0x4f8/0xa40 [13763.677398][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13763.677398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13763.677398][ T7704] netlink_rcv_skb+0x130/0x360 [13763.677398][ T7704] netlink_unicast+0x449/0x710 [13763.677398][ T7704] netlink_sendmsg+0x723/0xbe0 [13763.677398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13763.677398][ T7704] ___sys_sendmsg+0xee/0x170 [13763.677398][ T7704] __sys_sendmsg+0xcd/0x170 [13763.677398][ T7704] do_syscall_64+0xc6/0x1e0 [13763.677398][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13763.677398][ T7704] [13763.679645][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13763.679645][ T7704] netdev_get_by_index+0x5e/0x80 [13763.679645][ T7704] fib6_nh_init+0x3d8/0x15b0 [13763.679645][ T7704] ip6_route_info_create+0xf18/0x17d0 [13763.679645][ T7704] addrconf_f6i_alloc+0x315/0x560 [13763.679645][ T7704] ipv6_add_addr+0x411/0x2000 [13763.679645][ T7704] inet6_addr_add+0x30e/0xa40 [13763.679645][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13763.679645][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13763.679645][ T7704] netlink_rcv_skb+0x130/0x360 [13763.679645][ T7704] netlink_unicast+0x449/0x710 [13763.679645][ T7704] netlink_sendmsg+0x723/0xbe0 [13763.679645][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13763.679645][ T7704] ___sys_sendmsg+0xee/0x170 [13763.679645][ T7704] __sys_sendmsg+0xcd/0x170 [13763.679645][ T7704] do_syscall_64+0xc6/0x1e0 [13763.679645][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13763.679645][ T7704] [13763.681855][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13763.681855][ T7704] netdev_get_by_index+0x5e/0x80 [13763.681855][ T7704] fib6_nh_init+0x3d8/0x15b0 [13763.681855][ T7704] ip6_route_info_create+0xf18/0x17d0 [13763.681855][ T7704] ip6_route_add+0x1c/0x140 [13763.681855][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13763.681855][ T7704] addrconf_add_dev+0xe2/0x170 [13763.681855][ T7704] inet6_addr_add+0x12f/0xa40 [13763.681855][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13763.681855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13763.681855][ T7704] netlink_rcv_skb+0x130/0x360 [13763.681855][ T7704] netlink_unicast+0x449/0x710 [13763.681855][ T7704] netlink_sendmsg+0x723/0xbe0 [13763.681855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13763.681855][ T7704] ___sys_sendmsg+0xee/0x170 [13763.681855][ T7704] __sys_sendmsg+0xcd/0x170 [13763.681855][ T7704] do_syscall_64+0xc6/0x1e0 [13763.681855][ T7704] [13763.684040][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13763.684040][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13763.684040][ T7704] ipv6_find_idev+0x102/0x170 [13763.684040][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13763.684040][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13763.684040][ T7704] netlink_rcv_skb+0x130/0x360 [13763.684040][ T7704] netlink_unicast+0x449/0x710 [13763.684040][ T7704] netlink_sendmsg+0x723/0xbe0 [13763.684040][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13763.684040][ T7704] ___sys_sendmsg+0xee/0x170 [13763.684040][ T7704] __sys_sendmsg+0xcd/0x170 [13763.684040][ T7704] do_syscall_64+0xc6/0x1e0 [13763.684040][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13763.684040][ T7704] [13763.685738][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13763.685738][ T7704] neigh_parms_alloc+0x1e5/0x510 [13763.685738][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13763.685738][ T7704] ipv6_find_idev+0x102/0x170 [13763.685738][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13763.685738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13763.685738][ T7704] netlink_rcv_skb+0x130/0x360 [13763.685738][ T7704] netlink_unicast+0x449/0x710 [13763.685738][ T7704] netlink_sendmsg+0x723/0xbe0 [13763.685738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13763.685738][ T7704] ___sys_sendmsg+0xee/0x170 [13763.685738][ T7704] __sys_sendmsg+0xcd/0x170 [13763.685738][ T7704] do_syscall_64+0xc6/0x1e0 [13763.685738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13763.685738][ T7704] [13773.860813][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13773.861280][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13773.861280][ T7704] netdev_get_by_index+0x5e/0x80 [13773.861280][ T7704] fib6_nh_init+0x3d8/0x15b0 [13773.861280][ T7704] ip6_route_info_create+0xf18/0x17d0 [13773.861280][ T7704] ip6_route_add+0x1c/0x140 [13773.861280][ T7704] addrconf_prefix_route+0x2a6/0x430 [13773.861280][ T7704] inet6_addr_add+0x4f8/0xa40 [13773.861280][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13773.861280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13773.861280][ T7704] netlink_rcv_skb+0x130/0x360 [13773.861280][ T7704] netlink_unicast+0x449/0x710 [13773.861280][ T7704] netlink_sendmsg+0x723/0xbe0 [13773.861280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13773.861280][ T7704] ___sys_sendmsg+0xee/0x170 [13773.861280][ T7704] __sys_sendmsg+0xcd/0x170 [13773.861280][ T7704] do_syscall_64+0xc6/0x1e0 [13773.861280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13773.861280][ T7704] [13773.863700][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13773.863700][ T7704] netdev_get_by_index+0x5e/0x80 [13773.863700][ T7704] fib6_nh_init+0x3d8/0x15b0 [13773.863700][ T7704] ip6_route_info_create+0xf18/0x17d0 [13773.863700][ T7704] addrconf_f6i_alloc+0x315/0x560 [13773.863700][ T7704] ipv6_add_addr+0x411/0x2000 [13773.863700][ T7704] inet6_addr_add+0x30e/0xa40 [13773.863700][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13773.863700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13773.863700][ T7704] netlink_rcv_skb+0x130/0x360 [13773.863700][ T7704] netlink_unicast+0x449/0x710 [13773.863700][ T7704] netlink_sendmsg+0x723/0xbe0 [13773.863700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13773.863700][ T7704] ___sys_sendmsg+0xee/0x170 [13773.863700][ T7704] __sys_sendmsg+0xcd/0x170 [13773.863700][ T7704] do_syscall_64+0xc6/0x1e0 [13773.863700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13773.863700][ T7704] [13773.866171][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13773.866171][ T7704] netdev_get_by_index+0x5e/0x80 [13773.866171][ T7704] fib6_nh_init+0x3d8/0x15b0 [13773.866171][ T7704] ip6_route_info_create+0xf18/0x17d0 [13773.866171][ T7704] ip6_route_add+0x1c/0x140 [13773.866171][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13773.866171][ T7704] addrconf_add_dev+0xe2/0x170 [13773.866171][ T7704] inet6_addr_add+0x12f/0xa40 [13773.866171][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13773.866171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13773.866171][ T7704] netlink_rcv_skb+0x130/0x360 [13773.866171][ T7704] netlink_unicast+0x449/0x710 [13773.866171][ T7704] netlink_sendmsg+0x723/0xbe0 [13773.866171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13773.866171][ T7704] ___sys_sendmsg+0xee/0x170 [13773.866171][ T7704] __sys_sendmsg+0xcd/0x170 [13773.866171][ T7704] do_syscall_64+0xc6/0x1e0 [13773.866171][ T7704] [13773.868510][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13773.868510][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13773.868510][ T7704] ipv6_find_idev+0x102/0x170 [13773.868510][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13773.868510][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13773.868510][ T7704] netlink_rcv_skb+0x130/0x360 [13773.868510][ T7704] netlink_unicast+0x449/0x710 [13773.868510][ T7704] netlink_sendmsg+0x723/0xbe0 [13773.868510][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13773.868510][ T7704] ___sys_sendmsg+0xee/0x170 [13773.868510][ T7704] __sys_sendmsg+0xcd/0x170 [13773.868510][ T7704] do_syscall_64+0xc6/0x1e0 [13773.868510][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13773.868510][ T7704] [13773.870373][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13773.870373][ T7704] neigh_parms_alloc+0x1e5/0x510 [13773.870373][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13773.870373][ T7704] ipv6_find_idev+0x102/0x170 [13773.870373][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13773.870373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13773.870373][ T7704] netlink_rcv_skb+0x130/0x360 [13773.870373][ T7704] netlink_unicast+0x449/0x710 [13773.870373][ T7704] netlink_sendmsg+0x723/0xbe0 [13773.870373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13773.870373][ T7704] ___sys_sendmsg+0xee/0x170 [13773.870373][ T7704] __sys_sendmsg+0xcd/0x170 [13773.870373][ T7704] do_syscall_64+0xc6/0x1e0 [13773.870373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13773.870373][ T7704] [13783.964865][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13783.965395][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13783.965395][ T7704] netdev_get_by_index+0x5e/0x80 [13783.965395][ T7704] fib6_nh_init+0x3d8/0x15b0 [13783.965395][ T7704] ip6_route_info_create+0xf18/0x17d0 [13783.965395][ T7704] ip6_route_add+0x1c/0x140 [13783.965395][ T7704] addrconf_prefix_route+0x2a6/0x430 [13783.965395][ T7704] inet6_addr_add+0x4f8/0xa40 [13783.965395][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13783.965395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13783.965395][ T7704] netlink_rcv_skb+0x130/0x360 [13783.965395][ T7704] netlink_unicast+0x449/0x710 [13783.965395][ T7704] netlink_sendmsg+0x723/0xbe0 [13783.965395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13783.965395][ T7704] ___sys_sendmsg+0xee/0x170 [13783.965395][ T7704] __sys_sendmsg+0xcd/0x170 [13783.965395][ T7704] do_syscall_64+0xc6/0x1e0 [13783.965395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13783.965395][ T7704] [13783.967661][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13783.967661][ T7704] netdev_get_by_index+0x5e/0x80 [13783.967661][ T7704] fib6_nh_init+0x3d8/0x15b0 [13783.967661][ T7704] ip6_route_info_create+0xf18/0x17d0 [13783.967661][ T7704] addrconf_f6i_alloc+0x315/0x560 [13783.967661][ T7704] ipv6_add_addr+0x411/0x2000 [13783.967661][ T7704] inet6_addr_add+0x30e/0xa40 [13783.967661][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13783.967661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13783.967661][ T7704] netlink_rcv_skb+0x130/0x360 [13783.967661][ T7704] netlink_unicast+0x449/0x710 [13783.967661][ T7704] netlink_sendmsg+0x723/0xbe0 [13783.967661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13783.967661][ T7704] ___sys_sendmsg+0xee/0x170 [13783.967661][ T7704] __sys_sendmsg+0xcd/0x170 [13783.967661][ T7704] do_syscall_64+0xc6/0x1e0 [13783.967661][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13783.967661][ T7704] [13783.969890][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13783.969890][ T7704] netdev_get_by_index+0x5e/0x80 [13783.969890][ T7704] fib6_nh_init+0x3d8/0x15b0 [13783.969890][ T7704] ip6_route_info_create+0xf18/0x17d0 [13783.969890][ T7704] ip6_route_add+0x1c/0x140 [13783.969890][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13783.969890][ T7704] addrconf_add_dev+0xe2/0x170 [13783.969890][ T7704] inet6_addr_add+0x12f/0xa40 [13783.969890][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13783.969890][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13783.969890][ T7704] netlink_rcv_skb+0x130/0x360 [13783.969890][ T7704] netlink_unicast+0x449/0x710 [13783.969890][ T7704] netlink_sendmsg+0x723/0xbe0 [13783.969890][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13783.969890][ T7704] ___sys_sendmsg+0xee/0x170 [13783.969890][ T7704] __sys_sendmsg+0xcd/0x170 [13783.969890][ T7704] do_syscall_64+0xc6/0x1e0 [13783.969890][ T7704] [13783.972059][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13783.972059][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13783.972059][ T7704] ipv6_find_idev+0x102/0x170 [13783.972059][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13783.972059][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13783.972059][ T7704] netlink_rcv_skb+0x130/0x360 [13783.972059][ T7704] netlink_unicast+0x449/0x710 [13783.972059][ T7704] netlink_sendmsg+0x723/0xbe0 [13783.972059][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13783.972059][ T7704] ___sys_sendmsg+0xee/0x170 [13783.972059][ T7704] __sys_sendmsg+0xcd/0x170 [13783.972059][ T7704] do_syscall_64+0xc6/0x1e0 [13783.972059][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13783.972059][ T7704] [13783.973770][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13783.973770][ T7704] neigh_parms_alloc+0x1e5/0x510 [13783.973770][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13783.973770][ T7704] ipv6_find_idev+0x102/0x170 [13783.973770][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13783.973770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13783.973770][ T7704] netlink_rcv_skb+0x130/0x360 [13783.973770][ T7704] netlink_unicast+0x449/0x710 [13783.973770][ T7704] netlink_sendmsg+0x723/0xbe0 [13783.973770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13783.973770][ T7704] ___sys_sendmsg+0xee/0x170 [13783.973770][ T7704] __sys_sendmsg+0xcd/0x170 [13783.973770][ T7704] do_syscall_64+0xc6/0x1e0 [13783.973770][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13783.973770][ T7704] [13794.052850][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13794.053373][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13794.053373][ T7704] netdev_get_by_index+0x5e/0x80 [13794.053373][ T7704] fib6_nh_init+0x3d8/0x15b0 [13794.053373][ T7704] ip6_route_info_create+0xf18/0x17d0 [13794.053373][ T7704] ip6_route_add+0x1c/0x140 [13794.053373][ T7704] addrconf_prefix_route+0x2a6/0x430 [13794.053373][ T7704] inet6_addr_add+0x4f8/0xa40 [13794.053373][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13794.053373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13794.053373][ T7704] netlink_rcv_skb+0x130/0x360 [13794.053373][ T7704] netlink_unicast+0x449/0x710 [13794.053373][ T7704] netlink_sendmsg+0x723/0xbe0 [13794.053373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13794.053373][ T7704] ___sys_sendmsg+0xee/0x170 [13794.053373][ T7704] __sys_sendmsg+0xcd/0x170 [13794.053373][ T7704] do_syscall_64+0xc6/0x1e0 [13794.053373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13794.053373][ T7704] [13794.055614][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13794.055614][ T7704] netdev_get_by_index+0x5e/0x80 [13794.055614][ T7704] fib6_nh_init+0x3d8/0x15b0 [13794.055614][ T7704] ip6_route_info_create+0xf18/0x17d0 [13794.055614][ T7704] addrconf_f6i_alloc+0x315/0x560 [13794.055614][ T7704] ipv6_add_addr+0x411/0x2000 [13794.055614][ T7704] inet6_addr_add+0x30e/0xa40 [13794.055614][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13794.055614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13794.055614][ T7704] netlink_rcv_skb+0x130/0x360 [13794.055614][ T7704] netlink_unicast+0x449/0x710 [13794.055614][ T7704] netlink_sendmsg+0x723/0xbe0 [13794.055614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13794.055614][ T7704] ___sys_sendmsg+0xee/0x170 [13794.055614][ T7704] __sys_sendmsg+0xcd/0x170 [13794.055614][ T7704] do_syscall_64+0xc6/0x1e0 [13794.055614][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13794.055614][ T7704] [13794.057830][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13794.057830][ T7704] netdev_get_by_index+0x5e/0x80 [13794.057830][ T7704] fib6_nh_init+0x3d8/0x15b0 [13794.057830][ T7704] ip6_route_info_create+0xf18/0x17d0 [13794.057830][ T7704] ip6_route_add+0x1c/0x140 [13794.057830][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13794.057830][ T7704] addrconf_add_dev+0xe2/0x170 [13794.057830][ T7704] inet6_addr_add+0x12f/0xa40 [13794.057830][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13794.057830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13794.057830][ T7704] netlink_rcv_skb+0x130/0x360 [13794.057830][ T7704] netlink_unicast+0x449/0x710 [13794.057830][ T7704] netlink_sendmsg+0x723/0xbe0 [13794.057830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13794.057830][ T7704] ___sys_sendmsg+0xee/0x170 [13794.057830][ T7704] __sys_sendmsg+0xcd/0x170 [13794.057830][ T7704] do_syscall_64+0xc6/0x1e0 [13794.057830][ T7704] [13794.060022][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13794.060022][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13794.060022][ T7704] ipv6_find_idev+0x102/0x170 [13794.060022][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13794.060022][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13794.060022][ T7704] netlink_rcv_skb+0x130/0x360 [13794.060022][ T7704] netlink_unicast+0x449/0x710 [13794.060022][ T7704] netlink_sendmsg+0x723/0xbe0 [13794.060022][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13794.060022][ T7704] ___sys_sendmsg+0xee/0x170 [13794.060022][ T7704] __sys_sendmsg+0xcd/0x170 [13794.060022][ T7704] do_syscall_64+0xc6/0x1e0 [13794.060022][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13794.060022][ T7704] [13794.061719][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13794.061719][ T7704] neigh_parms_alloc+0x1e5/0x510 [13794.061719][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13794.061719][ T7704] ipv6_find_idev+0x102/0x170 [13794.061719][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13794.061719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13794.061719][ T7704] netlink_rcv_skb+0x130/0x360 [13794.061719][ T7704] netlink_unicast+0x449/0x710 [13794.061719][ T7704] netlink_sendmsg+0x723/0xbe0 [13794.061719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13794.061719][ T7704] ___sys_sendmsg+0xee/0x170 [13794.061719][ T7704] __sys_sendmsg+0xcd/0x170 [13794.061719][ T7704] do_syscall_64+0xc6/0x1e0 [13794.061719][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13794.061719][ T7704] [13804.300881][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13804.301382][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13804.301382][ T7704] netdev_get_by_index+0x5e/0x80 [13804.301382][ T7704] fib6_nh_init+0x3d8/0x15b0 [13804.301382][ T7704] ip6_route_info_create+0xf18/0x17d0 [13804.301382][ T7704] ip6_route_add+0x1c/0x140 [13804.301382][ T7704] addrconf_prefix_route+0x2a6/0x430 [13804.301382][ T7704] inet6_addr_add+0x4f8/0xa40 [13804.301382][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13804.301382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13804.301382][ T7704] netlink_rcv_skb+0x130/0x360 [13804.301382][ T7704] netlink_unicast+0x449/0x710 [13804.301382][ T7704] netlink_sendmsg+0x723/0xbe0 [13804.301382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13804.301382][ T7704] ___sys_sendmsg+0xee/0x170 [13804.301382][ T7704] __sys_sendmsg+0xcd/0x170 [13804.301382][ T7704] do_syscall_64+0xc6/0x1e0 [13804.301382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13804.301382][ T7704] [13804.303773][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13804.303773][ T7704] netdev_get_by_index+0x5e/0x80 [13804.303773][ T7704] fib6_nh_init+0x3d8/0x15b0 [13804.303773][ T7704] ip6_route_info_create+0xf18/0x17d0 [13804.303773][ T7704] addrconf_f6i_alloc+0x315/0x560 [13804.303773][ T7704] ipv6_add_addr+0x411/0x2000 [13804.303773][ T7704] inet6_addr_add+0x30e/0xa40 [13804.303773][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13804.303773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13804.303773][ T7704] netlink_rcv_skb+0x130/0x360 [13804.303773][ T7704] netlink_unicast+0x449/0x710 [13804.303773][ T7704] netlink_sendmsg+0x723/0xbe0 [13804.303773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13804.303773][ T7704] ___sys_sendmsg+0xee/0x170 [13804.303773][ T7704] __sys_sendmsg+0xcd/0x170 [13804.303773][ T7704] do_syscall_64+0xc6/0x1e0 [13804.303773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13804.303773][ T7704] [13804.306178][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13804.306178][ T7704] netdev_get_by_index+0x5e/0x80 [13804.306178][ T7704] fib6_nh_init+0x3d8/0x15b0 [13804.306178][ T7704] ip6_route_info_create+0xf18/0x17d0 [13804.306178][ T7704] ip6_route_add+0x1c/0x140 [13804.306178][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13804.306178][ T7704] addrconf_add_dev+0xe2/0x170 [13804.306178][ T7704] inet6_addr_add+0x12f/0xa40 [13804.306178][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13804.306178][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13804.306178][ T7704] netlink_rcv_skb+0x130/0x360 [13804.306178][ T7704] netlink_unicast+0x449/0x710 [13804.306178][ T7704] netlink_sendmsg+0x723/0xbe0 [13804.306178][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13804.306178][ T7704] ___sys_sendmsg+0xee/0x170 [13804.306178][ T7704] __sys_sendmsg+0xcd/0x170 [13804.306178][ T7704] do_syscall_64+0xc6/0x1e0 [13804.306178][ T7704] [13804.308594][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13804.308594][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13804.308594][ T7704] ipv6_find_idev+0x102/0x170 [13804.308594][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13804.308594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13804.308594][ T7704] netlink_rcv_skb+0x130/0x360 [13804.308594][ T7704] netlink_unicast+0x449/0x710 [13804.308594][ T7704] netlink_sendmsg+0x723/0xbe0 [13804.308594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13804.308594][ T7704] ___sys_sendmsg+0xee/0x170 [13804.308594][ T7704] __sys_sendmsg+0xcd/0x170 [13804.308594][ T7704] do_syscall_64+0xc6/0x1e0 [13804.308594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13804.308594][ T7704] [13804.310451][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13804.310451][ T7704] neigh_parms_alloc+0x1e5/0x510 [13804.310451][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13804.310451][ T7704] ipv6_find_idev+0x102/0x170 [13804.310451][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13804.310451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13804.310451][ T7704] netlink_rcv_skb+0x130/0x360 [13804.310451][ T7704] netlink_unicast+0x449/0x710 [13804.310451][ T7704] netlink_sendmsg+0x723/0xbe0 [13804.310451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13804.310451][ T7704] ___sys_sendmsg+0xee/0x170 [13804.310451][ T7704] __sys_sendmsg+0xcd/0x170 [13804.310451][ T7704] do_syscall_64+0xc6/0x1e0 [13804.310451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13804.310451][ T7704] [13814.525051][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13814.526268][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13814.526268][ T7704] netdev_get_by_index+0x5e/0x80 [13814.526268][ T7704] fib6_nh_init+0x3d8/0x15b0 [13814.526268][ T7704] ip6_route_info_create+0xf18/0x17d0 [13814.526268][ T7704] ip6_route_add+0x1c/0x140 [13814.526268][ T7704] addrconf_prefix_route+0x2a6/0x430 [13814.526268][ T7704] inet6_addr_add+0x4f8/0xa40 [13814.526268][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13814.526268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13814.526268][ T7704] netlink_rcv_skb+0x130/0x360 [13814.526268][ T7704] netlink_unicast+0x449/0x710 [13814.526268][ T7704] netlink_sendmsg+0x723/0xbe0 [13814.526268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13814.526268][ T7704] ___sys_sendmsg+0xee/0x170 [13814.526268][ T7704] __sys_sendmsg+0xcd/0x170 [13814.526268][ T7704] do_syscall_64+0xc6/0x1e0 [13814.526268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13814.526268][ T7704] [13814.528660][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13814.528660][ T7704] netdev_get_by_index+0x5e/0x80 [13814.528660][ T7704] fib6_nh_init+0x3d8/0x15b0 [13814.528660][ T7704] ip6_route_info_create+0xf18/0x17d0 [13814.528660][ T7704] addrconf_f6i_alloc+0x315/0x560 [13814.528660][ T7704] ipv6_add_addr+0x411/0x2000 [13814.528660][ T7704] inet6_addr_add+0x30e/0xa40 [13814.528660][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13814.528660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13814.528660][ T7704] netlink_rcv_skb+0x130/0x360 [13814.528660][ T7704] netlink_unicast+0x449/0x710 [13814.528660][ T7704] netlink_sendmsg+0x723/0xbe0 [13814.528660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13814.528660][ T7704] ___sys_sendmsg+0xee/0x170 [13814.528660][ T7704] __sys_sendmsg+0xcd/0x170 [13814.528660][ T7704] do_syscall_64+0xc6/0x1e0 [13814.528660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13814.528660][ T7704] [13814.530901][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13814.530901][ T7704] netdev_get_by_index+0x5e/0x80 [13814.530901][ T7704] fib6_nh_init+0x3d8/0x15b0 [13814.530901][ T7704] ip6_route_info_create+0xf18/0x17d0 [13814.530901][ T7704] ip6_route_add+0x1c/0x140 [13814.530901][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13814.530901][ T7704] addrconf_add_dev+0xe2/0x170 [13814.530901][ T7704] inet6_addr_add+0x12f/0xa40 [13814.530901][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13814.530901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13814.530901][ T7704] netlink_rcv_skb+0x130/0x360 [13814.530901][ T7704] netlink_unicast+0x449/0x710 [13814.530901][ T7704] netlink_sendmsg+0x723/0xbe0 [13814.530901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13814.530901][ T7704] ___sys_sendmsg+0xee/0x170 [13814.530901][ T7704] __sys_sendmsg+0xcd/0x170 [13814.530901][ T7704] do_syscall_64+0xc6/0x1e0 [13814.530901][ T7704] [13814.533089][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13814.533089][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13814.533089][ T7704] ipv6_find_idev+0x102/0x170 [13814.533089][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13814.533089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13814.533089][ T7704] netlink_rcv_skb+0x130/0x360 [13814.533089][ T7704] netlink_unicast+0x449/0x710 [13814.533089][ T7704] netlink_sendmsg+0x723/0xbe0 [13814.533089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13814.533089][ T7704] ___sys_sendmsg+0xee/0x170 [13814.533089][ T7704] __sys_sendmsg+0xcd/0x170 [13814.533089][ T7704] do_syscall_64+0xc6/0x1e0 [13814.533089][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13814.533089][ T7704] [13814.534839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13814.534839][ T7704] neigh_parms_alloc+0x1e5/0x510 [13814.534839][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13814.534839][ T7704] ipv6_find_idev+0x102/0x170 [13814.534839][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13814.534839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13814.534839][ T7704] netlink_rcv_skb+0x130/0x360 [13814.534839][ T7704] netlink_unicast+0x449/0x710 [13814.534839][ T7704] netlink_sendmsg+0x723/0xbe0 [13814.534839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13814.534839][ T7704] ___sys_sendmsg+0xee/0x170 [13814.534839][ T7704] __sys_sendmsg+0xcd/0x170 [13814.534839][ T7704] do_syscall_64+0xc6/0x1e0 [13814.534839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13814.534839][ T7704] [13824.604858][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13824.605332][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13824.605332][ T7704] netdev_get_by_index+0x5e/0x80 [13824.605332][ T7704] fib6_nh_init+0x3d8/0x15b0 [13824.605332][ T7704] ip6_route_info_create+0xf18/0x17d0 [13824.605332][ T7704] ip6_route_add+0x1c/0x140 [13824.605332][ T7704] addrconf_prefix_route+0x2a6/0x430 [13824.605332][ T7704] inet6_addr_add+0x4f8/0xa40 [13824.605332][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13824.605332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13824.605332][ T7704] netlink_rcv_skb+0x130/0x360 [13824.605332][ T7704] netlink_unicast+0x449/0x710 [13824.605332][ T7704] netlink_sendmsg+0x723/0xbe0 [13824.605332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13824.605332][ T7704] ___sys_sendmsg+0xee/0x170 [13824.605332][ T7704] __sys_sendmsg+0xcd/0x170 [13824.605332][ T7704] do_syscall_64+0xc6/0x1e0 [13824.605332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13824.605332][ T7704] [13824.607578][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13824.607578][ T7704] netdev_get_by_index+0x5e/0x80 [13824.607578][ T7704] fib6_nh_init+0x3d8/0x15b0 [13824.607578][ T7704] ip6_route_info_create+0xf18/0x17d0 [13824.607578][ T7704] addrconf_f6i_alloc+0x315/0x560 [13824.607578][ T7704] ipv6_add_addr+0x411/0x2000 [13824.607578][ T7704] inet6_addr_add+0x30e/0xa40 [13824.607578][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13824.607578][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13824.607578][ T7704] netlink_rcv_skb+0x130/0x360 [13824.607578][ T7704] netlink_unicast+0x449/0x710 [13824.607578][ T7704] netlink_sendmsg+0x723/0xbe0 [13824.607578][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13824.607578][ T7704] ___sys_sendmsg+0xee/0x170 [13824.607578][ T7704] __sys_sendmsg+0xcd/0x170 [13824.607578][ T7704] do_syscall_64+0xc6/0x1e0 [13824.607578][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13824.607578][ T7704] [13824.609783][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13824.609783][ T7704] netdev_get_by_index+0x5e/0x80 [13824.609783][ T7704] fib6_nh_init+0x3d8/0x15b0 [13824.609783][ T7704] ip6_route_info_create+0xf18/0x17d0 [13824.609783][ T7704] ip6_route_add+0x1c/0x140 [13824.609783][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13824.609783][ T7704] addrconf_add_dev+0xe2/0x170 [13824.609783][ T7704] inet6_addr_add+0x12f/0xa40 [13824.609783][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13824.609783][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13824.609783][ T7704] netlink_rcv_skb+0x130/0x360 [13824.609783][ T7704] netlink_unicast+0x449/0x710 [13824.609783][ T7704] netlink_sendmsg+0x723/0xbe0 [13824.609783][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13824.609783][ T7704] ___sys_sendmsg+0xee/0x170 [13824.609783][ T7704] __sys_sendmsg+0xcd/0x170 [13824.609783][ T7704] do_syscall_64+0xc6/0x1e0 [13824.609783][ T7704] [13824.611948][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13824.611948][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13824.611948][ T7704] ipv6_find_idev+0x102/0x170 [13824.611948][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13824.611948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13824.611948][ T7704] netlink_rcv_skb+0x130/0x360 [13824.611948][ T7704] netlink_unicast+0x449/0x710 [13824.611948][ T7704] netlink_sendmsg+0x723/0xbe0 [13824.611948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13824.611948][ T7704] ___sys_sendmsg+0xee/0x170 [13824.611948][ T7704] __sys_sendmsg+0xcd/0x170 [13824.611948][ T7704] do_syscall_64+0xc6/0x1e0 [13824.611948][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13824.611948][ T7704] [13824.613656][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13824.613656][ T7704] neigh_parms_alloc+0x1e5/0x510 [13824.613656][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13824.613656][ T7704] ipv6_find_idev+0x102/0x170 [13824.613656][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13824.613656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13824.613656][ T7704] netlink_rcv_skb+0x130/0x360 [13824.613656][ T7704] netlink_unicast+0x449/0x710 [13824.613656][ T7704] netlink_sendmsg+0x723/0xbe0 [13824.613656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13824.613656][ T7704] ___sys_sendmsg+0xee/0x170 [13824.613656][ T7704] __sys_sendmsg+0xcd/0x170 [13824.613656][ T7704] do_syscall_64+0xc6/0x1e0 [13824.613656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13824.613656][ T7704] [13834.852780][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13834.853268][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13834.853268][ T7704] netdev_get_by_index+0x5e/0x80 [13834.853268][ T7704] fib6_nh_init+0x3d8/0x15b0 [13834.853268][ T7704] ip6_route_info_create+0xf18/0x17d0 [13834.853268][ T7704] ip6_route_add+0x1c/0x140 [13834.853268][ T7704] addrconf_prefix_route+0x2a6/0x430 [13834.853268][ T7704] inet6_addr_add+0x4f8/0xa40 [13834.853268][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13834.853268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13834.853268][ T7704] netlink_rcv_skb+0x130/0x360 [13834.853268][ T7704] netlink_unicast+0x449/0x710 [13834.853268][ T7704] netlink_sendmsg+0x723/0xbe0 [13834.853268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13834.853268][ T7704] ___sys_sendmsg+0xee/0x170 [13834.853268][ T7704] __sys_sendmsg+0xcd/0x170 [13834.853268][ T7704] do_syscall_64+0xc6/0x1e0 [13834.853268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13834.853268][ T7704] [13834.855703][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13834.855703][ T7704] netdev_get_by_index+0x5e/0x80 [13834.855703][ T7704] fib6_nh_init+0x3d8/0x15b0 [13834.855703][ T7704] ip6_route_info_create+0xf18/0x17d0 [13834.855703][ T7704] addrconf_f6i_alloc+0x315/0x560 [13834.855703][ T7704] ipv6_add_addr+0x411/0x2000 [13834.855703][ T7704] inet6_addr_add+0x30e/0xa40 [13834.855703][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13834.855703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13834.855703][ T7704] netlink_rcv_skb+0x130/0x360 [13834.855703][ T7704] netlink_unicast+0x449/0x710 [13834.855703][ T7704] netlink_sendmsg+0x723/0xbe0 [13834.855703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13834.855703][ T7704] ___sys_sendmsg+0xee/0x170 [13834.855703][ T7704] __sys_sendmsg+0xcd/0x170 [13834.855703][ T7704] do_syscall_64+0xc6/0x1e0 [13834.855703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13834.855703][ T7704] [13834.858080][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13834.858080][ T7704] netdev_get_by_index+0x5e/0x80 [13834.858080][ T7704] fib6_nh_init+0x3d8/0x15b0 [13834.858080][ T7704] ip6_route_info_create+0xf18/0x17d0 [13834.858080][ T7704] ip6_route_add+0x1c/0x140 [13834.858080][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13834.858080][ T7704] addrconf_add_dev+0xe2/0x170 [13834.858080][ T7704] inet6_addr_add+0x12f/0xa40 [13834.858080][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13834.858080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13834.858080][ T7704] netlink_rcv_skb+0x130/0x360 [13834.858080][ T7704] netlink_unicast+0x449/0x710 [13834.858080][ T7704] netlink_sendmsg+0x723/0xbe0 [13834.858080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13834.858080][ T7704] ___sys_sendmsg+0xee/0x170 [13834.858080][ T7704] __sys_sendmsg+0xcd/0x170 [13834.858080][ T7704] do_syscall_64+0xc6/0x1e0 [13834.858080][ T7704] [13834.860407][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13834.860407][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13834.860407][ T7704] ipv6_find_idev+0x102/0x170 [13834.860407][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13834.860407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13834.860407][ T7704] netlink_rcv_skb+0x130/0x360 [13834.860407][ T7704] netlink_unicast+0x449/0x710 [13834.860407][ T7704] netlink_sendmsg+0x723/0xbe0 [13834.860407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13834.860407][ T7704] ___sys_sendmsg+0xee/0x170 [13834.860407][ T7704] __sys_sendmsg+0xcd/0x170 [13834.860407][ T7704] do_syscall_64+0xc6/0x1e0 [13834.860407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13834.860407][ T7704] [13834.862285][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13834.862285][ T7704] neigh_parms_alloc+0x1e5/0x510 [13834.862285][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13834.862285][ T7704] ipv6_find_idev+0x102/0x170 [13834.862285][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13834.862285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13834.862285][ T7704] netlink_rcv_skb+0x130/0x360 [13834.862285][ T7704] netlink_unicast+0x449/0x710 [13834.862285][ T7704] netlink_sendmsg+0x723/0xbe0 [13834.862285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13834.862285][ T7704] ___sys_sendmsg+0xee/0x170 [13834.862285][ T7704] __sys_sendmsg+0xcd/0x170 [13834.862285][ T7704] do_syscall_64+0xc6/0x1e0 [13834.862285][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13834.862285][ T7704] [13845.052843][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13845.053313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13845.053313][ T7704] netdev_get_by_index+0x5e/0x80 [13845.053313][ T7704] fib6_nh_init+0x3d8/0x15b0 [13845.053313][ T7704] ip6_route_info_create+0xf18/0x17d0 [13845.053313][ T7704] ip6_route_add+0x1c/0x140 [13845.053313][ T7704] addrconf_prefix_route+0x2a6/0x430 [13845.053313][ T7704] inet6_addr_add+0x4f8/0xa40 [13845.053313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13845.053313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13845.053313][ T7704] netlink_rcv_skb+0x130/0x360 [13845.053313][ T7704] netlink_unicast+0x449/0x710 [13845.053313][ T7704] netlink_sendmsg+0x723/0xbe0 [13845.053313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13845.053313][ T7704] ___sys_sendmsg+0xee/0x170 [13845.053313][ T7704] __sys_sendmsg+0xcd/0x170 [13845.053313][ T7704] do_syscall_64+0xc6/0x1e0 [13845.053313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13845.053313][ T7704] [13845.055736][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13845.055736][ T7704] netdev_get_by_index+0x5e/0x80 [13845.055736][ T7704] fib6_nh_init+0x3d8/0x15b0 [13845.055736][ T7704] ip6_route_info_create+0xf18/0x17d0 [13845.055736][ T7704] addrconf_f6i_alloc+0x315/0x560 [13845.055736][ T7704] ipv6_add_addr+0x411/0x2000 [13845.055736][ T7704] inet6_addr_add+0x30e/0xa40 [13845.055736][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13845.055736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13845.055736][ T7704] netlink_rcv_skb+0x130/0x360 [13845.055736][ T7704] netlink_unicast+0x449/0x710 [13845.055736][ T7704] netlink_sendmsg+0x723/0xbe0 [13845.055736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13845.055736][ T7704] ___sys_sendmsg+0xee/0x170 [13845.055736][ T7704] __sys_sendmsg+0xcd/0x170 [13845.055736][ T7704] do_syscall_64+0xc6/0x1e0 [13845.055736][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13845.055736][ T7704] [13845.058165][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13845.058165][ T7704] netdev_get_by_index+0x5e/0x80 [13845.058165][ T7704] fib6_nh_init+0x3d8/0x15b0 [13845.058165][ T7704] ip6_route_info_create+0xf18/0x17d0 [13845.058165][ T7704] ip6_route_add+0x1c/0x140 [13845.058165][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13845.058165][ T7704] addrconf_add_dev+0xe2/0x170 [13845.058165][ T7704] inet6_addr_add+0x12f/0xa40 [13845.058165][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13845.058165][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13845.058165][ T7704] netlink_rcv_skb+0x130/0x360 [13845.058165][ T7704] netlink_unicast+0x449/0x710 [13845.058165][ T7704] netlink_sendmsg+0x723/0xbe0 [13845.058165][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13845.058165][ T7704] ___sys_sendmsg+0xee/0x170 [13845.058165][ T7704] __sys_sendmsg+0xcd/0x170 [13845.058165][ T7704] do_syscall_64+0xc6/0x1e0 [13845.058165][ T7704] [13845.060552][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13845.060552][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13845.060552][ T7704] ipv6_find_idev+0x102/0x170 [13845.060552][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13845.060552][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13845.060552][ T7704] netlink_rcv_skb+0x130/0x360 [13845.060552][ T7704] netlink_unicast+0x449/0x710 [13845.060552][ T7704] netlink_sendmsg+0x723/0xbe0 [13845.060552][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13845.060552][ T7704] ___sys_sendmsg+0xee/0x170 [13845.060552][ T7704] __sys_sendmsg+0xcd/0x170 [13845.060552][ T7704] do_syscall_64+0xc6/0x1e0 [13845.060552][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13845.060552][ T7704] [13845.062959][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13845.062959][ T7704] neigh_parms_alloc+0x1e5/0x510 [13845.062959][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13845.062959][ T7704] ipv6_find_idev+0x102/0x170 [13845.062959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13845.062959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13845.062959][ T7704] netlink_rcv_skb+0x130/0x360 [13845.062959][ T7704] netlink_unicast+0x449/0x710 [13845.062959][ T7704] netlink_sendmsg+0x723/0xbe0 [13845.062959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13845.062959][ T7704] ___sys_sendmsg+0xee/0x170 [13845.062959][ T7704] __sys_sendmsg+0xcd/0x170 [13845.062959][ T7704] do_syscall_64+0xc6/0x1e0 [13845.062959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13845.062959][ T7704] [13855.316813][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13855.317275][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13855.317275][ T7704] netdev_get_by_index+0x5e/0x80 [13855.317275][ T7704] fib6_nh_init+0x3d8/0x15b0 [13855.317275][ T7704] ip6_route_info_create+0xf18/0x17d0 [13855.317275][ T7704] ip6_route_add+0x1c/0x140 [13855.317275][ T7704] addrconf_prefix_route+0x2a6/0x430 [13855.317275][ T7704] inet6_addr_add+0x4f8/0xa40 [13855.317275][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13855.317275][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13855.317275][ T7704] netlink_rcv_skb+0x130/0x360 [13855.317275][ T7704] netlink_unicast+0x449/0x710 [13855.317275][ T7704] netlink_sendmsg+0x723/0xbe0 [13855.317275][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13855.317275][ T7704] ___sys_sendmsg+0xee/0x170 [13855.317275][ T7704] __sys_sendmsg+0xcd/0x170 [13855.317275][ T7704] do_syscall_64+0xc6/0x1e0 [13855.317275][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13855.317275][ T7704] [13855.319516][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13855.319516][ T7704] netdev_get_by_index+0x5e/0x80 [13855.319516][ T7704] fib6_nh_init+0x3d8/0x15b0 [13855.319516][ T7704] ip6_route_info_create+0xf18/0x17d0 [13855.319516][ T7704] addrconf_f6i_alloc+0x315/0x560 [13855.319516][ T7704] ipv6_add_addr+0x411/0x2000 [13855.319516][ T7704] inet6_addr_add+0x30e/0xa40 [13855.319516][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13855.319516][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13855.319516][ T7704] netlink_rcv_skb+0x130/0x360 [13855.319516][ T7704] netlink_unicast+0x449/0x710 [13855.319516][ T7704] netlink_sendmsg+0x723/0xbe0 [13855.319516][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13855.319516][ T7704] ___sys_sendmsg+0xee/0x170 [13855.319516][ T7704] __sys_sendmsg+0xcd/0x170 [13855.319516][ T7704] do_syscall_64+0xc6/0x1e0 [13855.319516][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13855.319516][ T7704] [13855.321722][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13855.321722][ T7704] netdev_get_by_index+0x5e/0x80 [13855.321722][ T7704] fib6_nh_init+0x3d8/0x15b0 [13855.321722][ T7704] ip6_route_info_create+0xf18/0x17d0 [13855.321722][ T7704] ip6_route_add+0x1c/0x140 [13855.321722][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13855.321722][ T7704] addrconf_add_dev+0xe2/0x170 [13855.321722][ T7704] inet6_addr_add+0x12f/0xa40 [13855.321722][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13855.321722][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13855.321722][ T7704] netlink_rcv_skb+0x130/0x360 [13855.321722][ T7704] netlink_unicast+0x449/0x710 [13855.321722][ T7704] netlink_sendmsg+0x723/0xbe0 [13855.321722][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13855.321722][ T7704] ___sys_sendmsg+0xee/0x170 [13855.321722][ T7704] __sys_sendmsg+0xcd/0x170 [13855.321722][ T7704] do_syscall_64+0xc6/0x1e0 [13855.321722][ T7704] [13855.323923][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13855.323923][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13855.323923][ T7704] ipv6_find_idev+0x102/0x170 [13855.323923][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13855.323923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13855.323923][ T7704] netlink_rcv_skb+0x130/0x360 [13855.323923][ T7704] netlink_unicast+0x449/0x710 [13855.323923][ T7704] netlink_sendmsg+0x723/0xbe0 [13855.323923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13855.323923][ T7704] ___sys_sendmsg+0xee/0x170 [13855.323923][ T7704] __sys_sendmsg+0xcd/0x170 [13855.323923][ T7704] do_syscall_64+0xc6/0x1e0 [13855.323923][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13855.323923][ T7704] [13855.325641][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13855.325641][ T7704] neigh_parms_alloc+0x1e5/0x510 [13855.325641][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13855.325641][ T7704] ipv6_find_idev+0x102/0x170 [13855.325641][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13855.325641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13855.325641][ T7704] netlink_rcv_skb+0x130/0x360 [13855.325641][ T7704] netlink_unicast+0x449/0x710 [13855.325641][ T7704] netlink_sendmsg+0x723/0xbe0 [13855.325641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13855.325641][ T7704] ___sys_sendmsg+0xee/0x170 [13855.325641][ T7704] __sys_sendmsg+0xcd/0x170 [13855.325641][ T7704] do_syscall_64+0xc6/0x1e0 [13855.325641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13855.325641][ T7704] [13865.452804][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13865.453298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13865.453298][ T7704] netdev_get_by_index+0x5e/0x80 [13865.453298][ T7704] fib6_nh_init+0x3d8/0x15b0 [13865.453298][ T7704] ip6_route_info_create+0xf18/0x17d0 [13865.453298][ T7704] ip6_route_add+0x1c/0x140 [13865.453298][ T7704] addrconf_prefix_route+0x2a6/0x430 [13865.453298][ T7704] inet6_addr_add+0x4f8/0xa40 [13865.453298][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13865.453298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13865.453298][ T7704] netlink_rcv_skb+0x130/0x360 [13865.453298][ T7704] netlink_unicast+0x449/0x710 [13865.453298][ T7704] netlink_sendmsg+0x723/0xbe0 [13865.453298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13865.453298][ T7704] ___sys_sendmsg+0xee/0x170 [13865.453298][ T7704] __sys_sendmsg+0xcd/0x170 [13865.453298][ T7704] do_syscall_64+0xc6/0x1e0 [13865.453298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13865.453298][ T7704] [13865.455606][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13865.455606][ T7704] netdev_get_by_index+0x5e/0x80 [13865.455606][ T7704] fib6_nh_init+0x3d8/0x15b0 [13865.455606][ T7704] ip6_route_info_create+0xf18/0x17d0 [13865.455606][ T7704] addrconf_f6i_alloc+0x315/0x560 [13865.455606][ T7704] ipv6_add_addr+0x411/0x2000 [13865.455606][ T7704] inet6_addr_add+0x30e/0xa40 [13865.455606][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13865.455606][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13865.455606][ T7704] netlink_rcv_skb+0x130/0x360 [13865.455606][ T7704] netlink_unicast+0x449/0x710 [13865.455606][ T7704] netlink_sendmsg+0x723/0xbe0 [13865.455606][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13865.455606][ T7704] ___sys_sendmsg+0xee/0x170 [13865.455606][ T7704] __sys_sendmsg+0xcd/0x170 [13865.455606][ T7704] do_syscall_64+0xc6/0x1e0 [13865.455606][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13865.455606][ T7704] [13865.457941][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13865.457941][ T7704] netdev_get_by_index+0x5e/0x80 [13865.457941][ T7704] fib6_nh_init+0x3d8/0x15b0 [13865.457941][ T7704] ip6_route_info_create+0xf18/0x17d0 [13865.457941][ T7704] ip6_route_add+0x1c/0x140 [13865.457941][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13865.457941][ T7704] addrconf_add_dev+0xe2/0x170 [13865.457941][ T7704] inet6_addr_add+0x12f/0xa40 [13865.457941][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13865.457941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13865.457941][ T7704] netlink_rcv_skb+0x130/0x360 [13865.457941][ T7704] netlink_unicast+0x449/0x710 [13865.457941][ T7704] netlink_sendmsg+0x723/0xbe0 [13865.457941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13865.457941][ T7704] ___sys_sendmsg+0xee/0x170 [13865.457941][ T7704] __sys_sendmsg+0xcd/0x170 [13865.457941][ T7704] do_syscall_64+0xc6/0x1e0 [13865.457941][ T7704] [13865.460236][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13865.460236][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13865.460236][ T7704] ipv6_find_idev+0x102/0x170 [13865.460236][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13865.460236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13865.460236][ T7704] netlink_rcv_skb+0x130/0x360 [13865.460236][ T7704] netlink_unicast+0x449/0x710 [13865.460236][ T7704] netlink_sendmsg+0x723/0xbe0 [13865.460236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13865.460236][ T7704] ___sys_sendmsg+0xee/0x170 [13865.460236][ T7704] __sys_sendmsg+0xcd/0x170 [13865.460236][ T7704] do_syscall_64+0xc6/0x1e0 [13865.460236][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13865.460236][ T7704] [13865.461975][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13865.461975][ T7704] neigh_parms_alloc+0x1e5/0x510 [13865.461975][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13865.461975][ T7704] ipv6_find_idev+0x102/0x170 [13865.461975][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13865.461975][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13865.461975][ T7704] netlink_rcv_skb+0x130/0x360 [13865.461975][ T7704] netlink_unicast+0x449/0x710 [13865.461975][ T7704] netlink_sendmsg+0x723/0xbe0 [13865.461975][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13865.461975][ T7704] ___sys_sendmsg+0xee/0x170 [13865.461975][ T7704] __sys_sendmsg+0xcd/0x170 [13865.461975][ T7704] do_syscall_64+0xc6/0x1e0 [13865.461975][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13865.461975][ T7704] [13875.700814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13875.701296][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13875.701296][ T7704] netdev_get_by_index+0x5e/0x80 [13875.701296][ T7704] fib6_nh_init+0x3d8/0x15b0 [13875.701296][ T7704] ip6_route_info_create+0xf18/0x17d0 [13875.701296][ T7704] ip6_route_add+0x1c/0x140 [13875.701296][ T7704] addrconf_prefix_route+0x2a6/0x430 [13875.701296][ T7704] inet6_addr_add+0x4f8/0xa40 [13875.701296][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13875.701296][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13875.701296][ T7704] netlink_rcv_skb+0x130/0x360 [13875.701296][ T7704] netlink_unicast+0x449/0x710 [13875.701296][ T7704] netlink_sendmsg+0x723/0xbe0 [13875.701296][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13875.701296][ T7704] ___sys_sendmsg+0xee/0x170 [13875.701296][ T7704] __sys_sendmsg+0xcd/0x170 [13875.701296][ T7704] do_syscall_64+0xc6/0x1e0 [13875.701296][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13875.701296][ T7704] [13875.703571][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13875.703571][ T7704] netdev_get_by_index+0x5e/0x80 [13875.703571][ T7704] fib6_nh_init+0x3d8/0x15b0 [13875.703571][ T7704] ip6_route_info_create+0xf18/0x17d0 [13875.703571][ T7704] addrconf_f6i_alloc+0x315/0x560 [13875.703571][ T7704] ipv6_add_addr+0x411/0x2000 [13875.703571][ T7704] inet6_addr_add+0x30e/0xa40 [13875.703571][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13875.703571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13875.703571][ T7704] netlink_rcv_skb+0x130/0x360 [13875.703571][ T7704] netlink_unicast+0x449/0x710 [13875.703571][ T7704] netlink_sendmsg+0x723/0xbe0 [13875.703571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13875.703571][ T7704] ___sys_sendmsg+0xee/0x170 [13875.703571][ T7704] __sys_sendmsg+0xcd/0x170 [13875.703571][ T7704] do_syscall_64+0xc6/0x1e0 [13875.703571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13875.703571][ T7704] [13875.705821][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13875.705821][ T7704] netdev_get_by_index+0x5e/0x80 [13875.705821][ T7704] fib6_nh_init+0x3d8/0x15b0 [13875.705821][ T7704] ip6_route_info_create+0xf18/0x17d0 [13875.705821][ T7704] ip6_route_add+0x1c/0x140 [13875.705821][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13875.705821][ T7704] addrconf_add_dev+0xe2/0x170 [13875.705821][ T7704] inet6_addr_add+0x12f/0xa40 [13875.705821][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13875.705821][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13875.705821][ T7704] netlink_rcv_skb+0x130/0x360 [13875.705821][ T7704] netlink_unicast+0x449/0x710 [13875.705821][ T7704] netlink_sendmsg+0x723/0xbe0 [13875.705821][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13875.705821][ T7704] ___sys_sendmsg+0xee/0x170 [13875.705821][ T7704] __sys_sendmsg+0xcd/0x170 [13875.705821][ T7704] do_syscall_64+0xc6/0x1e0 [13875.705821][ T7704] [13875.708100][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13875.708100][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13875.708100][ T7704] ipv6_find_idev+0x102/0x170 [13875.708100][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13875.708100][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13875.708100][ T7704] netlink_rcv_skb+0x130/0x360 [13875.708100][ T7704] netlink_unicast+0x449/0x710 [13875.708100][ T7704] netlink_sendmsg+0x723/0xbe0 [13875.708100][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13875.708100][ T7704] ___sys_sendmsg+0xee/0x170 [13875.708100][ T7704] __sys_sendmsg+0xcd/0x170 [13875.708100][ T7704] do_syscall_64+0xc6/0x1e0 [13875.708100][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13875.708100][ T7704] [13875.709850][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13875.709850][ T7704] neigh_parms_alloc+0x1e5/0x510 [13875.709850][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13875.709850][ T7704] ipv6_find_idev+0x102/0x170 [13875.709850][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13875.709850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13875.709850][ T7704] netlink_rcv_skb+0x130/0x360 [13875.709850][ T7704] netlink_unicast+0x449/0x710 [13875.709850][ T7704] netlink_sendmsg+0x723/0xbe0 [13875.709850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13875.709850][ T7704] ___sys_sendmsg+0xee/0x170 [13875.709850][ T7704] __sys_sendmsg+0xcd/0x170 [13875.709850][ T7704] do_syscall_64+0xc6/0x1e0 [13875.709850][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13875.709850][ T7704] [13885.964851][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13885.965361][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13885.965361][ T7704] netdev_get_by_index+0x5e/0x80 [13885.965361][ T7704] fib6_nh_init+0x3d8/0x15b0 [13885.965361][ T7704] ip6_route_info_create+0xf18/0x17d0 [13885.965361][ T7704] ip6_route_add+0x1c/0x140 [13885.965361][ T7704] addrconf_prefix_route+0x2a6/0x430 [13885.965361][ T7704] inet6_addr_add+0x4f8/0xa40 [13885.965361][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13885.965361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13885.965361][ T7704] netlink_rcv_skb+0x130/0x360 [13885.965361][ T7704] netlink_unicast+0x449/0x710 [13885.965361][ T7704] netlink_sendmsg+0x723/0xbe0 [13885.965361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13885.965361][ T7704] ___sys_sendmsg+0xee/0x170 [13885.965361][ T7704] __sys_sendmsg+0xcd/0x170 [13885.965361][ T7704] do_syscall_64+0xc6/0x1e0 [13885.965361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13885.965361][ T7704] [13885.967809][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13885.967809][ T7704] netdev_get_by_index+0x5e/0x80 [13885.967809][ T7704] fib6_nh_init+0x3d8/0x15b0 [13885.967809][ T7704] ip6_route_info_create+0xf18/0x17d0 [13885.967809][ T7704] addrconf_f6i_alloc+0x315/0x560 [13885.967809][ T7704] ipv6_add_addr+0x411/0x2000 [13885.967809][ T7704] inet6_addr_add+0x30e/0xa40 [13885.967809][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13885.967809][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13885.967809][ T7704] netlink_rcv_skb+0x130/0x360 [13885.967809][ T7704] netlink_unicast+0x449/0x710 [13885.967809][ T7704] netlink_sendmsg+0x723/0xbe0 [13885.967809][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13885.967809][ T7704] ___sys_sendmsg+0xee/0x170 [13885.967809][ T7704] __sys_sendmsg+0xcd/0x170 [13885.967809][ T7704] do_syscall_64+0xc6/0x1e0 [13885.967809][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13885.967809][ T7704] [13885.970220][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13885.970220][ T7704] netdev_get_by_index+0x5e/0x80 [13885.970220][ T7704] fib6_nh_init+0x3d8/0x15b0 [13885.970220][ T7704] ip6_route_info_create+0xf18/0x17d0 [13885.970220][ T7704] ip6_route_add+0x1c/0x140 [13885.970220][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13885.970220][ T7704] addrconf_add_dev+0xe2/0x170 [13885.970220][ T7704] inet6_addr_add+0x12f/0xa40 [13885.970220][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13885.970220][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13885.970220][ T7704] netlink_rcv_skb+0x130/0x360 [13885.970220][ T7704] netlink_unicast+0x449/0x710 [13885.970220][ T7704] netlink_sendmsg+0x723/0xbe0 [13885.970220][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13885.970220][ T7704] ___sys_sendmsg+0xee/0x170 [13885.970220][ T7704] __sys_sendmsg+0xcd/0x170 [13885.970220][ T7704] do_syscall_64+0xc6/0x1e0 [13885.970220][ T7704] [13885.972608][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13885.972608][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13885.972608][ T7704] ipv6_find_idev+0x102/0x170 [13885.972608][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13885.972608][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13885.972608][ T7704] netlink_rcv_skb+0x130/0x360 [13885.972608][ T7704] netlink_unicast+0x449/0x710 [13885.972608][ T7704] netlink_sendmsg+0x723/0xbe0 [13885.972608][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13885.972608][ T7704] ___sys_sendmsg+0xee/0x170 [13885.972608][ T7704] __sys_sendmsg+0xcd/0x170 [13885.972608][ T7704] do_syscall_64+0xc6/0x1e0 [13885.972608][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13885.972608][ T7704] [13885.974458][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13885.974458][ T7704] neigh_parms_alloc+0x1e5/0x510 [13885.974458][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13885.974458][ T7704] ipv6_find_idev+0x102/0x170 [13885.974458][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13885.974458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13885.974458][ T7704] netlink_rcv_skb+0x130/0x360 [13885.974458][ T7704] netlink_unicast+0x449/0x710 [13885.974458][ T7704] netlink_sendmsg+0x723/0xbe0 [13885.974458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13885.974458][ T7704] ___sys_sendmsg+0xee/0x170 [13885.974458][ T7704] __sys_sendmsg+0xcd/0x170 [13885.974458][ T7704] do_syscall_64+0xc6/0x1e0 [13885.974458][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13885.974458][ T7704] [13896.332897][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13896.333390][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13896.333390][ T7704] netdev_get_by_index+0x5e/0x80 [13896.333390][ T7704] fib6_nh_init+0x3d8/0x15b0 [13896.333390][ T7704] ip6_route_info_create+0xf18/0x17d0 [13896.333390][ T7704] ip6_route_add+0x1c/0x140 [13896.333390][ T7704] addrconf_prefix_route+0x2a6/0x430 [13896.333390][ T7704] inet6_addr_add+0x4f8/0xa40 [13896.333390][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13896.333390][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13896.333390][ T7704] netlink_rcv_skb+0x130/0x360 [13896.333390][ T7704] netlink_unicast+0x449/0x710 [13896.333390][ T7704] netlink_sendmsg+0x723/0xbe0 [13896.333390][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13896.333390][ T7704] ___sys_sendmsg+0xee/0x170 [13896.333390][ T7704] __sys_sendmsg+0xcd/0x170 [13896.333390][ T7704] do_syscall_64+0xc6/0x1e0 [13896.333390][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13896.333390][ T7704] [13896.335823][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13896.335823][ T7704] netdev_get_by_index+0x5e/0x80 [13896.335823][ T7704] fib6_nh_init+0x3d8/0x15b0 [13896.335823][ T7704] ip6_route_info_create+0xf18/0x17d0 [13896.335823][ T7704] addrconf_f6i_alloc+0x315/0x560 [13896.335823][ T7704] ipv6_add_addr+0x411/0x2000 [13896.335823][ T7704] inet6_addr_add+0x30e/0xa40 [13896.335823][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13896.335823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13896.335823][ T7704] netlink_rcv_skb+0x130/0x360 [13896.335823][ T7704] netlink_unicast+0x449/0x710 [13896.335823][ T7704] netlink_sendmsg+0x723/0xbe0 [13896.335823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13896.335823][ T7704] ___sys_sendmsg+0xee/0x170 [13896.335823][ T7704] __sys_sendmsg+0xcd/0x170 [13896.335823][ T7704] do_syscall_64+0xc6/0x1e0 [13896.335823][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13896.335823][ T7704] [13896.338255][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13896.338255][ T7704] netdev_get_by_index+0x5e/0x80 [13896.338255][ T7704] fib6_nh_init+0x3d8/0x15b0 [13896.338255][ T7704] ip6_route_info_create+0xf18/0x17d0 [13896.338255][ T7704] ip6_route_add+0x1c/0x140 [13896.338255][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13896.338255][ T7704] addrconf_add_dev+0xe2/0x170 [13896.338255][ T7704] inet6_addr_add+0x12f/0xa40 [13896.338255][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13896.338255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13896.338255][ T7704] netlink_rcv_skb+0x130/0x360 [13896.338255][ T7704] netlink_unicast+0x449/0x710 [13896.338255][ T7704] netlink_sendmsg+0x723/0xbe0 [13896.338255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13896.338255][ T7704] ___sys_sendmsg+0xee/0x170 [13896.338255][ T7704] __sys_sendmsg+0xcd/0x170 [13896.338255][ T7704] do_syscall_64+0xc6/0x1e0 [13896.338255][ T7704] [13896.340658][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13896.340658][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13896.340658][ T7704] ipv6_find_idev+0x102/0x170 [13896.340658][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13896.340658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13896.340658][ T7704] netlink_rcv_skb+0x130/0x360 [13896.340658][ T7704] netlink_unicast+0x449/0x710 [13896.340658][ T7704] netlink_sendmsg+0x723/0xbe0 [13896.340658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13896.340658][ T7704] ___sys_sendmsg+0xee/0x170 [13896.340658][ T7704] __sys_sendmsg+0xcd/0x170 [13896.340658][ T7704] do_syscall_64+0xc6/0x1e0 [13896.340658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13896.340658][ T7704] [13896.342507][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13896.342507][ T7704] neigh_parms_alloc+0x1e5/0x510 [13896.342507][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13896.342507][ T7704] ipv6_find_idev+0x102/0x170 [13896.342507][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13896.342507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13896.342507][ T7704] netlink_rcv_skb+0x130/0x360 [13896.342507][ T7704] netlink_unicast+0x449/0x710 [13896.342507][ T7704] netlink_sendmsg+0x723/0xbe0 [13896.342507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13896.342507][ T7704] ___sys_sendmsg+0xee/0x170 [13896.342507][ T7704] __sys_sendmsg+0xcd/0x170 [13896.342507][ T7704] do_syscall_64+0xc6/0x1e0 [13896.342507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13896.342507][ T7704] [13906.420753][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13906.421240][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13906.421240][ T7704] netdev_get_by_index+0x5e/0x80 [13906.421240][ T7704] fib6_nh_init+0x3d8/0x15b0 [13906.421240][ T7704] ip6_route_info_create+0xf18/0x17d0 [13906.421240][ T7704] ip6_route_add+0x1c/0x140 [13906.421240][ T7704] addrconf_prefix_route+0x2a6/0x430 [13906.421240][ T7704] inet6_addr_add+0x4f8/0xa40 [13906.421240][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13906.421240][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13906.421240][ T7704] netlink_rcv_skb+0x130/0x360 [13906.421240][ T7704] netlink_unicast+0x449/0x710 [13906.421240][ T7704] netlink_sendmsg+0x723/0xbe0 [13906.421240][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13906.421240][ T7704] ___sys_sendmsg+0xee/0x170 [13906.421240][ T7704] __sys_sendmsg+0xcd/0x170 [13906.421240][ T7704] do_syscall_64+0xc6/0x1e0 [13906.421240][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13906.421240][ T7704] [13906.423632][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13906.423632][ T7704] netdev_get_by_index+0x5e/0x80 [13906.423632][ T7704] fib6_nh_init+0x3d8/0x15b0 [13906.423632][ T7704] ip6_route_info_create+0xf18/0x17d0 [13906.423632][ T7704] addrconf_f6i_alloc+0x315/0x560 [13906.423632][ T7704] ipv6_add_addr+0x411/0x2000 [13906.423632][ T7704] inet6_addr_add+0x30e/0xa40 [13906.423632][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13906.423632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13906.423632][ T7704] netlink_rcv_skb+0x130/0x360 [13906.423632][ T7704] netlink_unicast+0x449/0x710 [13906.423632][ T7704] netlink_sendmsg+0x723/0xbe0 [13906.423632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13906.423632][ T7704] ___sys_sendmsg+0xee/0x170 [13906.423632][ T7704] __sys_sendmsg+0xcd/0x170 [13906.423632][ T7704] do_syscall_64+0xc6/0x1e0 [13906.423632][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13906.423632][ T7704] [13906.426015][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13906.426015][ T7704] netdev_get_by_index+0x5e/0x80 [13906.426015][ T7704] fib6_nh_init+0x3d8/0x15b0 [13906.426015][ T7704] ip6_route_info_create+0xf18/0x17d0 [13906.426015][ T7704] ip6_route_add+0x1c/0x140 [13906.426015][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13906.426015][ T7704] addrconf_add_dev+0xe2/0x170 [13906.426015][ T7704] inet6_addr_add+0x12f/0xa40 [13906.426015][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13906.426015][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13906.426015][ T7704] netlink_rcv_skb+0x130/0x360 [13906.426015][ T7704] netlink_unicast+0x449/0x710 [13906.426015][ T7704] netlink_sendmsg+0x723/0xbe0 [13906.426015][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13906.426015][ T7704] ___sys_sendmsg+0xee/0x170 [13906.426015][ T7704] __sys_sendmsg+0xcd/0x170 [13906.426015][ T7704] do_syscall_64+0xc6/0x1e0 [13906.426015][ T7704] [13906.428367][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13906.428367][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13906.428367][ T7704] ipv6_find_idev+0x102/0x170 [13906.428367][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13906.428367][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13906.428367][ T7704] netlink_rcv_skb+0x130/0x360 [13906.428367][ T7704] netlink_unicast+0x449/0x710 [13906.428367][ T7704] netlink_sendmsg+0x723/0xbe0 [13906.428367][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13906.428367][ T7704] ___sys_sendmsg+0xee/0x170 [13906.428367][ T7704] __sys_sendmsg+0xcd/0x170 [13906.428367][ T7704] do_syscall_64+0xc6/0x1e0 [13906.428367][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13906.428367][ T7704] [13906.430238][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13906.430238][ T7704] neigh_parms_alloc+0x1e5/0x510 [13906.430238][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13906.430238][ T7704] ipv6_find_idev+0x102/0x170 [13906.430238][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13906.430238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13906.430238][ T7704] netlink_rcv_skb+0x130/0x360 [13906.430238][ T7704] netlink_unicast+0x449/0x710 [13906.430238][ T7704] netlink_sendmsg+0x723/0xbe0 [13906.430238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13906.430238][ T7704] ___sys_sendmsg+0xee/0x170 [13906.430238][ T7704] __sys_sendmsg+0xcd/0x170 [13906.430238][ T7704] do_syscall_64+0xc6/0x1e0 [13906.430238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13906.430238][ T7704] [13916.516754][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13916.517220][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13916.517220][ T7704] netdev_get_by_index+0x5e/0x80 [13916.517220][ T7704] fib6_nh_init+0x3d8/0x15b0 [13916.517220][ T7704] ip6_route_info_create+0xf18/0x17d0 [13916.517220][ T7704] ip6_route_add+0x1c/0x140 [13916.517220][ T7704] addrconf_prefix_route+0x2a6/0x430 [13916.517220][ T7704] inet6_addr_add+0x4f8/0xa40 [13916.517220][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13916.517220][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13916.517220][ T7704] netlink_rcv_skb+0x130/0x360 [13916.517220][ T7704] netlink_unicast+0x449/0x710 [13916.517220][ T7704] netlink_sendmsg+0x723/0xbe0 [13916.517220][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13916.517220][ T7704] ___sys_sendmsg+0xee/0x170 [13916.517220][ T7704] __sys_sendmsg+0xcd/0x170 [13916.517220][ T7704] do_syscall_64+0xc6/0x1e0 [13916.517220][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13916.517220][ T7704] [13916.519485][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13916.519485][ T7704] netdev_get_by_index+0x5e/0x80 [13916.519485][ T7704] fib6_nh_init+0x3d8/0x15b0 [13916.519485][ T7704] ip6_route_info_create+0xf18/0x17d0 [13916.519485][ T7704] addrconf_f6i_alloc+0x315/0x560 [13916.519485][ T7704] ipv6_add_addr+0x411/0x2000 [13916.519485][ T7704] inet6_addr_add+0x30e/0xa40 [13916.519485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13916.519485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13916.519485][ T7704] netlink_rcv_skb+0x130/0x360 [13916.519485][ T7704] netlink_unicast+0x449/0x710 [13916.519485][ T7704] netlink_sendmsg+0x723/0xbe0 [13916.519485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13916.519485][ T7704] ___sys_sendmsg+0xee/0x170 [13916.519485][ T7704] __sys_sendmsg+0xcd/0x170 [13916.519485][ T7704] do_syscall_64+0xc6/0x1e0 [13916.519485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13916.519485][ T7704] [13916.521726][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13916.521726][ T7704] netdev_get_by_index+0x5e/0x80 [13916.521726][ T7704] fib6_nh_init+0x3d8/0x15b0 [13916.521726][ T7704] ip6_route_info_create+0xf18/0x17d0 [13916.521726][ T7704] ip6_route_add+0x1c/0x140 [13916.521726][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13916.521726][ T7704] addrconf_add_dev+0xe2/0x170 [13916.521726][ T7704] inet6_addr_add+0x12f/0xa40 [13916.521726][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13916.521726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13916.521726][ T7704] netlink_rcv_skb+0x130/0x360 [13916.521726][ T7704] netlink_unicast+0x449/0x710 [13916.521726][ T7704] netlink_sendmsg+0x723/0xbe0 [13916.521726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13916.521726][ T7704] ___sys_sendmsg+0xee/0x170 [13916.521726][ T7704] __sys_sendmsg+0xcd/0x170 [13916.521726][ T7704] do_syscall_64+0xc6/0x1e0 [13916.521726][ T7704] [13916.523958][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13916.523958][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13916.523958][ T7704] ipv6_find_idev+0x102/0x170 [13916.523958][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13916.523958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13916.523958][ T7704] netlink_rcv_skb+0x130/0x360 [13916.523958][ T7704] netlink_unicast+0x449/0x710 [13916.523958][ T7704] netlink_sendmsg+0x723/0xbe0 [13916.523958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13916.523958][ T7704] ___sys_sendmsg+0xee/0x170 [13916.523958][ T7704] __sys_sendmsg+0xcd/0x170 [13916.523958][ T7704] do_syscall_64+0xc6/0x1e0 [13916.523958][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13916.523958][ T7704] [13916.525710][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13916.525710][ T7704] neigh_parms_alloc+0x1e5/0x510 [13916.525710][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13916.525710][ T7704] ipv6_find_idev+0x102/0x170 [13916.525710][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13916.525710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13916.525710][ T7704] netlink_rcv_skb+0x130/0x360 [13916.525710][ T7704] netlink_unicast+0x449/0x710 [13916.525710][ T7704] netlink_sendmsg+0x723/0xbe0 [13916.525710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13916.525710][ T7704] ___sys_sendmsg+0xee/0x170 [13916.525710][ T7704] __sys_sendmsg+0xcd/0x170 [13916.525710][ T7704] do_syscall_64+0xc6/0x1e0 [13916.525710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13916.525710][ T7704] [13926.564746][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13926.565261][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13926.565261][ T7704] netdev_get_by_index+0x5e/0x80 [13926.565261][ T7704] fib6_nh_init+0x3d8/0x15b0 [13926.565261][ T7704] ip6_route_info_create+0xf18/0x17d0 [13926.565261][ T7704] ip6_route_add+0x1c/0x140 [13926.565261][ T7704] addrconf_prefix_route+0x2a6/0x430 [13926.565261][ T7704] inet6_addr_add+0x4f8/0xa40 [13926.565261][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13926.565261][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13926.565261][ T7704] netlink_rcv_skb+0x130/0x360 [13926.565261][ T7704] netlink_unicast+0x449/0x710 [13926.565261][ T7704] netlink_sendmsg+0x723/0xbe0 [13926.565261][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13926.565261][ T7704] ___sys_sendmsg+0xee/0x170 [13926.565261][ T7704] __sys_sendmsg+0xcd/0x170 [13926.565261][ T7704] do_syscall_64+0xc6/0x1e0 [13926.565261][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13926.565261][ T7704] [13926.567532][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13926.567532][ T7704] netdev_get_by_index+0x5e/0x80 [13926.567532][ T7704] fib6_nh_init+0x3d8/0x15b0 [13926.567532][ T7704] ip6_route_info_create+0xf18/0x17d0 [13926.567532][ T7704] addrconf_f6i_alloc+0x315/0x560 [13926.567532][ T7704] ipv6_add_addr+0x411/0x2000 [13926.567532][ T7704] inet6_addr_add+0x30e/0xa40 [13926.567532][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13926.567532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13926.567532][ T7704] netlink_rcv_skb+0x130/0x360 [13926.567532][ T7704] netlink_unicast+0x449/0x710 [13926.567532][ T7704] netlink_sendmsg+0x723/0xbe0 [13926.567532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13926.567532][ T7704] ___sys_sendmsg+0xee/0x170 [13926.567532][ T7704] __sys_sendmsg+0xcd/0x170 [13926.567532][ T7704] do_syscall_64+0xc6/0x1e0 [13926.567532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13926.567532][ T7704] [13926.569767][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13926.569767][ T7704] netdev_get_by_index+0x5e/0x80 [13926.569767][ T7704] fib6_nh_init+0x3d8/0x15b0 [13926.569767][ T7704] ip6_route_info_create+0xf18/0x17d0 [13926.569767][ T7704] ip6_route_add+0x1c/0x140 [13926.569767][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13926.569767][ T7704] addrconf_add_dev+0xe2/0x170 [13926.569767][ T7704] inet6_addr_add+0x12f/0xa40 [13926.569767][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13926.569767][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13926.569767][ T7704] netlink_rcv_skb+0x130/0x360 [13926.569767][ T7704] netlink_unicast+0x449/0x710 [13926.569767][ T7704] netlink_sendmsg+0x723/0xbe0 [13926.569767][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13926.569767][ T7704] ___sys_sendmsg+0xee/0x170 [13926.569767][ T7704] __sys_sendmsg+0xcd/0x170 [13926.569767][ T7704] do_syscall_64+0xc6/0x1e0 [13926.569767][ T7704] [13926.571937][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13926.571937][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13926.571937][ T7704] ipv6_find_idev+0x102/0x170 [13926.571937][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13926.571937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13926.571937][ T7704] netlink_rcv_skb+0x130/0x360 [13926.571937][ T7704] netlink_unicast+0x449/0x710 [13926.571937][ T7704] netlink_sendmsg+0x723/0xbe0 [13926.571937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13926.571937][ T7704] ___sys_sendmsg+0xee/0x170 [13926.571937][ T7704] __sys_sendmsg+0xcd/0x170 [13926.571937][ T7704] do_syscall_64+0xc6/0x1e0 [13926.571937][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13926.571937][ T7704] [13926.573638][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13926.573638][ T7704] neigh_parms_alloc+0x1e5/0x510 [13926.573638][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13926.573638][ T7704] ipv6_find_idev+0x102/0x170 [13926.573638][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13926.573638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13926.573638][ T7704] netlink_rcv_skb+0x130/0x360 [13926.573638][ T7704] netlink_unicast+0x449/0x710 [13926.573638][ T7704] netlink_sendmsg+0x723/0xbe0 [13926.573638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13926.573638][ T7704] ___sys_sendmsg+0xee/0x170 [13926.573638][ T7704] __sys_sendmsg+0xcd/0x170 [13926.573638][ T7704] do_syscall_64+0xc6/0x1e0 [13926.573638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13926.573638][ T7704] [13936.644816][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13936.645280][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13936.645280][ T7704] netdev_get_by_index+0x5e/0x80 [13936.645280][ T7704] fib6_nh_init+0x3d8/0x15b0 [13936.645280][ T7704] ip6_route_info_create+0xf18/0x17d0 [13936.645280][ T7704] ip6_route_add+0x1c/0x140 [13936.645280][ T7704] addrconf_prefix_route+0x2a6/0x430 [13936.645280][ T7704] inet6_addr_add+0x4f8/0xa40 [13936.645280][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13936.645280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13936.645280][ T7704] netlink_rcv_skb+0x130/0x360 [13936.645280][ T7704] netlink_unicast+0x449/0x710 [13936.645280][ T7704] netlink_sendmsg+0x723/0xbe0 [13936.645280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13936.645280][ T7704] ___sys_sendmsg+0xee/0x170 [13936.645280][ T7704] __sys_sendmsg+0xcd/0x170 [13936.645280][ T7704] do_syscall_64+0xc6/0x1e0 [13936.645280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13936.645280][ T7704] [13936.647563][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13936.647563][ T7704] netdev_get_by_index+0x5e/0x80 [13936.647563][ T7704] fib6_nh_init+0x3d8/0x15b0 [13936.647563][ T7704] ip6_route_info_create+0xf18/0x17d0 [13936.647563][ T7704] addrconf_f6i_alloc+0x315/0x560 [13936.647563][ T7704] ipv6_add_addr+0x411/0x2000 [13936.647563][ T7704] inet6_addr_add+0x30e/0xa40 [13936.647563][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13936.647563][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13936.647563][ T7704] netlink_rcv_skb+0x130/0x360 [13936.647563][ T7704] netlink_unicast+0x449/0x710 [13936.647563][ T7704] netlink_sendmsg+0x723/0xbe0 [13936.647563][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13936.647563][ T7704] ___sys_sendmsg+0xee/0x170 [13936.647563][ T7704] __sys_sendmsg+0xcd/0x170 [13936.647563][ T7704] do_syscall_64+0xc6/0x1e0 [13936.647563][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13936.647563][ T7704] [13936.649811][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13936.649811][ T7704] netdev_get_by_index+0x5e/0x80 [13936.649811][ T7704] fib6_nh_init+0x3d8/0x15b0 [13936.649811][ T7704] ip6_route_info_create+0xf18/0x17d0 [13936.649811][ T7704] ip6_route_add+0x1c/0x140 [13936.649811][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13936.649811][ T7704] addrconf_add_dev+0xe2/0x170 [13936.649811][ T7704] inet6_addr_add+0x12f/0xa40 [13936.649811][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13936.649811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13936.649811][ T7704] netlink_rcv_skb+0x130/0x360 [13936.649811][ T7704] netlink_unicast+0x449/0x710 [13936.649811][ T7704] netlink_sendmsg+0x723/0xbe0 [13936.649811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13936.649811][ T7704] ___sys_sendmsg+0xee/0x170 [13936.649811][ T7704] __sys_sendmsg+0xcd/0x170 [13936.649811][ T7704] do_syscall_64+0xc6/0x1e0 [13936.649811][ T7704] [13936.651999][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13936.651999][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13936.651999][ T7704] ipv6_find_idev+0x102/0x170 [13936.651999][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13936.651999][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13936.651999][ T7704] netlink_rcv_skb+0x130/0x360 [13936.651999][ T7704] netlink_unicast+0x449/0x710 [13936.651999][ T7704] netlink_sendmsg+0x723/0xbe0 [13936.651999][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13936.651999][ T7704] ___sys_sendmsg+0xee/0x170 [13936.651999][ T7704] __sys_sendmsg+0xcd/0x170 [13936.651999][ T7704] do_syscall_64+0xc6/0x1e0 [13936.651999][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13936.651999][ T7704] [13936.653717][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13936.653717][ T7704] neigh_parms_alloc+0x1e5/0x510 [13936.653717][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13936.653717][ T7704] ipv6_find_idev+0x102/0x170 [13936.653717][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13936.653717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13936.653717][ T7704] netlink_rcv_skb+0x130/0x360 [13936.653717][ T7704] netlink_unicast+0x449/0x710 [13936.653717][ T7704] netlink_sendmsg+0x723/0xbe0 [13936.653717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13936.653717][ T7704] ___sys_sendmsg+0xee/0x170 [13936.653717][ T7704] __sys_sendmsg+0xcd/0x170 [13936.653717][ T7704] do_syscall_64+0xc6/0x1e0 [13936.653717][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13936.653717][ T7704] [13946.756797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13946.757332][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13946.757332][ T7704] netdev_get_by_index+0x5e/0x80 [13946.757332][ T7704] fib6_nh_init+0x3d8/0x15b0 [13946.757332][ T7704] ip6_route_info_create+0xf18/0x17d0 [13946.757332][ T7704] ip6_route_add+0x1c/0x140 [13946.757332][ T7704] addrconf_prefix_route+0x2a6/0x430 [13946.757332][ T7704] inet6_addr_add+0x4f8/0xa40 [13946.757332][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13946.757332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13946.757332][ T7704] netlink_rcv_skb+0x130/0x360 [13946.757332][ T7704] netlink_unicast+0x449/0x710 [13946.757332][ T7704] netlink_sendmsg+0x723/0xbe0 [13946.757332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13946.757332][ T7704] ___sys_sendmsg+0xee/0x170 [13946.757332][ T7704] __sys_sendmsg+0xcd/0x170 [13946.757332][ T7704] do_syscall_64+0xc6/0x1e0 [13946.757332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13946.757332][ T7704] [13946.760118][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13946.760118][ T7704] netdev_get_by_index+0x5e/0x80 [13946.760118][ T7704] fib6_nh_init+0x3d8/0x15b0 [13946.760118][ T7704] ip6_route_info_create+0xf18/0x17d0 [13946.760118][ T7704] addrconf_f6i_alloc+0x315/0x560 [13946.760118][ T7704] ipv6_add_addr+0x411/0x2000 [13946.760118][ T7704] inet6_addr_add+0x30e/0xa40 [13946.760118][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13946.760118][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13946.760118][ T7704] netlink_rcv_skb+0x130/0x360 [13946.760118][ T7704] netlink_unicast+0x449/0x710 [13946.760118][ T7704] netlink_sendmsg+0x723/0xbe0 [13946.760118][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13946.760118][ T7704] ___sys_sendmsg+0xee/0x170 [13946.760118][ T7704] __sys_sendmsg+0xcd/0x170 [13946.760118][ T7704] do_syscall_64+0xc6/0x1e0 [13946.760118][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13946.760118][ T7704] [13946.762325][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13946.762325][ T7704] netdev_get_by_index+0x5e/0x80 [13946.762325][ T7704] fib6_nh_init+0x3d8/0x15b0 [13946.762325][ T7704] ip6_route_info_create+0xf18/0x17d0 [13946.762325][ T7704] ip6_route_add+0x1c/0x140 [13946.762325][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13946.762325][ T7704] addrconf_add_dev+0xe2/0x170 [13946.762325][ T7704] inet6_addr_add+0x12f/0xa40 [13946.762325][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13946.762325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13946.762325][ T7704] netlink_rcv_skb+0x130/0x360 [13946.762325][ T7704] netlink_unicast+0x449/0x710 [13946.762325][ T7704] netlink_sendmsg+0x723/0xbe0 [13946.762325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13946.762325][ T7704] ___sys_sendmsg+0xee/0x170 [13946.762325][ T7704] __sys_sendmsg+0xcd/0x170 [13946.762325][ T7704] do_syscall_64+0xc6/0x1e0 [13946.762325][ T7704] [13946.764494][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13946.764494][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13946.764494][ T7704] ipv6_find_idev+0x102/0x170 [13946.764494][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13946.764494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13946.764494][ T7704] netlink_rcv_skb+0x130/0x360 [13946.764494][ T7704] netlink_unicast+0x449/0x710 [13946.764494][ T7704] netlink_sendmsg+0x723/0xbe0 [13946.764494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13946.764494][ T7704] ___sys_sendmsg+0xee/0x170 [13946.764494][ T7704] __sys_sendmsg+0xcd/0x170 [13946.764494][ T7704] do_syscall_64+0xc6/0x1e0 [13946.764494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13946.764494][ T7704] [13946.766214][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13946.766214][ T7704] neigh_parms_alloc+0x1e5/0x510 [13946.766214][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13946.766214][ T7704] ipv6_find_idev+0x102/0x170 [13946.766214][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13946.766214][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13946.766214][ T7704] netlink_rcv_skb+0x130/0x360 [13946.766214][ T7704] netlink_unicast+0x449/0x710 [13946.766214][ T7704] netlink_sendmsg+0x723/0xbe0 [13946.766214][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13946.766214][ T7704] ___sys_sendmsg+0xee/0x170 [13946.766214][ T7704] __sys_sendmsg+0xcd/0x170 [13946.766214][ T7704] do_syscall_64+0xc6/0x1e0 [13946.766214][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13946.766214][ T7704] [13956.860767][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13956.861489][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13956.861489][ T7704] netdev_get_by_index+0x5e/0x80 [13956.861489][ T7704] fib6_nh_init+0x3d8/0x15b0 [13956.861489][ T7704] ip6_route_info_create+0xf18/0x17d0 [13956.861489][ T7704] ip6_route_add+0x1c/0x140 [13956.861489][ T7704] addrconf_prefix_route+0x2a6/0x430 [13956.861489][ T7704] inet6_addr_add+0x4f8/0xa40 [13956.861489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13956.861489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13956.861489][ T7704] netlink_rcv_skb+0x130/0x360 [13956.861489][ T7704] netlink_unicast+0x449/0x710 [13956.861489][ T7704] netlink_sendmsg+0x723/0xbe0 [13956.861489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13956.861489][ T7704] ___sys_sendmsg+0xee/0x170 [13956.861489][ T7704] __sys_sendmsg+0xcd/0x170 [13956.861489][ T7704] do_syscall_64+0xc6/0x1e0 [13956.861489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13956.861489][ T7704] [13956.865108][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13956.865108][ T7704] netdev_get_by_index+0x5e/0x80 [13956.865108][ T7704] fib6_nh_init+0x3d8/0x15b0 [13956.865108][ T7704] ip6_route_info_create+0xf18/0x17d0 [13956.865108][ T7704] addrconf_f6i_alloc+0x315/0x560 [13956.865108][ T7704] ipv6_add_addr+0x411/0x2000 [13956.865108][ T7704] inet6_addr_add+0x30e/0xa40 [13956.865108][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13956.865108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13956.865108][ T7704] netlink_rcv_skb+0x130/0x360 [13956.865108][ T7704] netlink_unicast+0x449/0x710 [13956.865108][ T7704] netlink_sendmsg+0x723/0xbe0 [13956.865108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13956.865108][ T7704] ___sys_sendmsg+0xee/0x170 [13956.865108][ T7704] __sys_sendmsg+0xcd/0x170 [13956.865108][ T7704] do_syscall_64+0xc6/0x1e0 [13956.865108][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13956.865108][ T7704] [13956.867846][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13956.867846][ T7704] netdev_get_by_index+0x5e/0x80 [13956.867846][ T7704] fib6_nh_init+0x3d8/0x15b0 [13956.867846][ T7704] ip6_route_info_create+0xf18/0x17d0 [13956.867846][ T7704] ip6_route_add+0x1c/0x140 [13956.867846][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13956.867846][ T7704] addrconf_add_dev+0xe2/0x170 [13956.867846][ T7704] inet6_addr_add+0x12f/0xa40 [13956.867846][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13956.867846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13956.867846][ T7704] netlink_rcv_skb+0x130/0x360 [13956.867846][ T7704] netlink_unicast+0x449/0x710 [13956.867846][ T7704] netlink_sendmsg+0x723/0xbe0 [13956.867846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13956.867846][ T7704] ___sys_sendmsg+0xee/0x170 [13956.867846][ T7704] __sys_sendmsg+0xcd/0x170 [13956.867846][ T7704] do_syscall_64+0xc6/0x1e0 [13956.867846][ T7704] [13956.870052][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13956.870052][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13956.870052][ T7704] ipv6_find_idev+0x102/0x170 [13956.870052][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13956.870052][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13956.870052][ T7704] netlink_rcv_skb+0x130/0x360 [13956.870052][ T7704] netlink_unicast+0x449/0x710 [13956.870052][ T7704] netlink_sendmsg+0x723/0xbe0 [13956.870052][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13956.870052][ T7704] ___sys_sendmsg+0xee/0x170 [13956.870052][ T7704] __sys_sendmsg+0xcd/0x170 [13956.870052][ T7704] do_syscall_64+0xc6/0x1e0 [13956.870052][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13956.870052][ T7704] [13956.871763][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13956.871763][ T7704] neigh_parms_alloc+0x1e5/0x510 [13956.871763][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13956.871763][ T7704] ipv6_find_idev+0x102/0x170 [13956.871763][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13956.871763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13956.871763][ T7704] netlink_rcv_skb+0x130/0x360 [13956.871763][ T7704] netlink_unicast+0x449/0x710 [13956.871763][ T7704] netlink_sendmsg+0x723/0xbe0 [13956.871763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13956.871763][ T7704] ___sys_sendmsg+0xee/0x170 [13956.871763][ T7704] __sys_sendmsg+0xcd/0x170 [13956.871763][ T7704] do_syscall_64+0xc6/0x1e0 [13956.871763][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13956.871763][ T7704] [13966.908927][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13966.909464][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13966.909464][ T7704] netdev_get_by_index+0x5e/0x80 [13966.909464][ T7704] fib6_nh_init+0x3d8/0x15b0 [13966.909464][ T7704] ip6_route_info_create+0xf18/0x17d0 [13966.909464][ T7704] ip6_route_add+0x1c/0x140 [13966.909464][ T7704] addrconf_prefix_route+0x2a6/0x430 [13966.909464][ T7704] inet6_addr_add+0x4f8/0xa40 [13966.909464][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13966.909464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13966.909464][ T7704] netlink_rcv_skb+0x130/0x360 [13966.909464][ T7704] netlink_unicast+0x449/0x710 [13966.909464][ T7704] netlink_sendmsg+0x723/0xbe0 [13966.909464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13966.909464][ T7704] ___sys_sendmsg+0xee/0x170 [13966.909464][ T7704] __sys_sendmsg+0xcd/0x170 [13966.909464][ T7704] do_syscall_64+0xc6/0x1e0 [13966.909464][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13966.909464][ T7704] [13966.911714][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13966.911714][ T7704] netdev_get_by_index+0x5e/0x80 [13966.911714][ T7704] fib6_nh_init+0x3d8/0x15b0 [13966.911714][ T7704] ip6_route_info_create+0xf18/0x17d0 [13966.911714][ T7704] addrconf_f6i_alloc+0x315/0x560 [13966.911714][ T7704] ipv6_add_addr+0x411/0x2000 [13966.911714][ T7704] inet6_addr_add+0x30e/0xa40 [13966.911714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13966.911714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13966.911714][ T7704] netlink_rcv_skb+0x130/0x360 [13966.911714][ T7704] netlink_unicast+0x449/0x710 [13966.911714][ T7704] netlink_sendmsg+0x723/0xbe0 [13966.911714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13966.911714][ T7704] ___sys_sendmsg+0xee/0x170 [13966.911714][ T7704] __sys_sendmsg+0xcd/0x170 [13966.911714][ T7704] do_syscall_64+0xc6/0x1e0 [13966.911714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13966.911714][ T7704] [13966.913954][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13966.913954][ T7704] netdev_get_by_index+0x5e/0x80 [13966.913954][ T7704] fib6_nh_init+0x3d8/0x15b0 [13966.913954][ T7704] ip6_route_info_create+0xf18/0x17d0 [13966.913954][ T7704] ip6_route_add+0x1c/0x140 [13966.913954][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13966.913954][ T7704] addrconf_add_dev+0xe2/0x170 [13966.913954][ T7704] inet6_addr_add+0x12f/0xa40 [13966.913954][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13966.913954][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13966.913954][ T7704] netlink_rcv_skb+0x130/0x360 [13966.913954][ T7704] netlink_unicast+0x449/0x710 [13966.913954][ T7704] netlink_sendmsg+0x723/0xbe0 [13966.913954][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13966.913954][ T7704] ___sys_sendmsg+0xee/0x170 [13966.913954][ T7704] __sys_sendmsg+0xcd/0x170 [13966.913954][ T7704] do_syscall_64+0xc6/0x1e0 [13966.913954][ T7704] [13966.916148][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13966.916148][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13966.916148][ T7704] ipv6_find_idev+0x102/0x170 [13966.916148][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13966.916148][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13966.916148][ T7704] netlink_rcv_skb+0x130/0x360 [13966.916148][ T7704] netlink_unicast+0x449/0x710 [13966.916148][ T7704] netlink_sendmsg+0x723/0xbe0 [13966.916148][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13966.916148][ T7704] ___sys_sendmsg+0xee/0x170 [13966.916148][ T7704] __sys_sendmsg+0xcd/0x170 [13966.916148][ T7704] do_syscall_64+0xc6/0x1e0 [13966.916148][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13966.916148][ T7704] [13966.917846][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13966.917846][ T7704] neigh_parms_alloc+0x1e5/0x510 [13966.917846][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13966.917846][ T7704] ipv6_find_idev+0x102/0x170 [13966.917846][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13966.917846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13966.917846][ T7704] netlink_rcv_skb+0x130/0x360 [13966.917846][ T7704] netlink_unicast+0x449/0x710 [13966.917846][ T7704] netlink_sendmsg+0x723/0xbe0 [13966.917846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13966.917846][ T7704] ___sys_sendmsg+0xee/0x170 [13966.917846][ T7704] __sys_sendmsg+0xcd/0x170 [13966.917846][ T7704] do_syscall_64+0xc6/0x1e0 [13966.917846][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13966.917846][ T7704] [13977.164814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13977.165352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13977.165352][ T7704] netdev_get_by_index+0x5e/0x80 [13977.165352][ T7704] fib6_nh_init+0x3d8/0x15b0 [13977.165352][ T7704] ip6_route_info_create+0xf18/0x17d0 [13977.165352][ T7704] ip6_route_add+0x1c/0x140 [13977.165352][ T7704] addrconf_prefix_route+0x2a6/0x430 [13977.165352][ T7704] inet6_addr_add+0x4f8/0xa40 [13977.165352][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13977.165352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13977.165352][ T7704] netlink_rcv_skb+0x130/0x360 [13977.165352][ T7704] netlink_unicast+0x449/0x710 [13977.165352][ T7704] netlink_sendmsg+0x723/0xbe0 [13977.165352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13977.165352][ T7704] ___sys_sendmsg+0xee/0x170 [13977.165352][ T7704] __sys_sendmsg+0xcd/0x170 [13977.165352][ T7704] do_syscall_64+0xc6/0x1e0 [13977.165352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13977.165352][ T7704] [13977.167669][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13977.167669][ T7704] netdev_get_by_index+0x5e/0x80 [13977.167669][ T7704] fib6_nh_init+0x3d8/0x15b0 [13977.167669][ T7704] ip6_route_info_create+0xf18/0x17d0 [13977.167669][ T7704] addrconf_f6i_alloc+0x315/0x560 [13977.167669][ T7704] ipv6_add_addr+0x411/0x2000 [13977.167669][ T7704] inet6_addr_add+0x30e/0xa40 [13977.167669][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13977.167669][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13977.167669][ T7704] netlink_rcv_skb+0x130/0x360 [13977.167669][ T7704] netlink_unicast+0x449/0x710 [13977.167669][ T7704] netlink_sendmsg+0x723/0xbe0 [13977.167669][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13977.167669][ T7704] ___sys_sendmsg+0xee/0x170 [13977.167669][ T7704] __sys_sendmsg+0xcd/0x170 [13977.167669][ T7704] do_syscall_64+0xc6/0x1e0 [13977.167669][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13977.167669][ T7704] [13977.169900][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13977.169900][ T7704] netdev_get_by_index+0x5e/0x80 [13977.169900][ T7704] fib6_nh_init+0x3d8/0x15b0 [13977.169900][ T7704] ip6_route_info_create+0xf18/0x17d0 [13977.169900][ T7704] ip6_route_add+0x1c/0x140 [13977.169900][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13977.169900][ T7704] addrconf_add_dev+0xe2/0x170 [13977.169900][ T7704] inet6_addr_add+0x12f/0xa40 [13977.169900][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13977.169900][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13977.169900][ T7704] netlink_rcv_skb+0x130/0x360 [13977.169900][ T7704] netlink_unicast+0x449/0x710 [13977.169900][ T7704] netlink_sendmsg+0x723/0xbe0 [13977.169900][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13977.169900][ T7704] ___sys_sendmsg+0xee/0x170 [13977.169900][ T7704] __sys_sendmsg+0xcd/0x170 [13977.169900][ T7704] do_syscall_64+0xc6/0x1e0 [13977.169900][ T7704] [13977.172077][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13977.172077][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13977.172077][ T7704] ipv6_find_idev+0x102/0x170 [13977.172077][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13977.172077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13977.172077][ T7704] netlink_rcv_skb+0x130/0x360 [13977.172077][ T7704] netlink_unicast+0x449/0x710 [13977.172077][ T7704] netlink_sendmsg+0x723/0xbe0 [13977.172077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13977.172077][ T7704] ___sys_sendmsg+0xee/0x170 [13977.172077][ T7704] __sys_sendmsg+0xcd/0x170 [13977.172077][ T7704] do_syscall_64+0xc6/0x1e0 [13977.172077][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13977.172077][ T7704] [13977.173801][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13977.173801][ T7704] neigh_parms_alloc+0x1e5/0x510 [13977.173801][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13977.173801][ T7704] ipv6_find_idev+0x102/0x170 [13977.173801][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13977.173801][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13977.173801][ T7704] netlink_rcv_skb+0x130/0x360 [13977.173801][ T7704] netlink_unicast+0x449/0x710 [13977.173801][ T7704] netlink_sendmsg+0x723/0xbe0 [13977.173801][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13977.173801][ T7704] ___sys_sendmsg+0xee/0x170 [13977.173801][ T7704] __sys_sendmsg+0xcd/0x170 [13977.173801][ T7704] do_syscall_64+0xc6/0x1e0 [13977.173801][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13977.173801][ T7704] [13987.604992][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13987.605474][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13987.605474][ T7704] netdev_get_by_index+0x5e/0x80 [13987.605474][ T7704] fib6_nh_init+0x3d8/0x15b0 [13987.605474][ T7704] ip6_route_info_create+0xf18/0x17d0 [13987.605474][ T7704] ip6_route_add+0x1c/0x140 [13987.605474][ T7704] addrconf_prefix_route+0x2a6/0x430 [13987.605474][ T7704] inet6_addr_add+0x4f8/0xa40 [13987.605474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13987.605474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13987.605474][ T7704] netlink_rcv_skb+0x130/0x360 [13987.605474][ T7704] netlink_unicast+0x449/0x710 [13987.605474][ T7704] netlink_sendmsg+0x723/0xbe0 [13987.605474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13987.605474][ T7704] ___sys_sendmsg+0xee/0x170 [13987.605474][ T7704] __sys_sendmsg+0xcd/0x170 [13987.605474][ T7704] do_syscall_64+0xc6/0x1e0 [13987.605474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13987.605474][ T7704] [13987.607743][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13987.607743][ T7704] netdev_get_by_index+0x5e/0x80 [13987.607743][ T7704] fib6_nh_init+0x3d8/0x15b0 [13987.607743][ T7704] ip6_route_info_create+0xf18/0x17d0 [13987.607743][ T7704] addrconf_f6i_alloc+0x315/0x560 [13987.607743][ T7704] ipv6_add_addr+0x411/0x2000 [13987.607743][ T7704] inet6_addr_add+0x30e/0xa40 [13987.607743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13987.607743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13987.607743][ T7704] netlink_rcv_skb+0x130/0x360 [13987.607743][ T7704] netlink_unicast+0x449/0x710 [13987.607743][ T7704] netlink_sendmsg+0x723/0xbe0 [13987.607743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13987.607743][ T7704] ___sys_sendmsg+0xee/0x170 [13987.607743][ T7704] __sys_sendmsg+0xcd/0x170 [13987.607743][ T7704] do_syscall_64+0xc6/0x1e0 [13987.607743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13987.607743][ T7704] [13987.609974][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13987.609974][ T7704] netdev_get_by_index+0x5e/0x80 [13987.609974][ T7704] fib6_nh_init+0x3d8/0x15b0 [13987.609974][ T7704] ip6_route_info_create+0xf18/0x17d0 [13987.609974][ T7704] ip6_route_add+0x1c/0x140 [13987.609974][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13987.609974][ T7704] addrconf_add_dev+0xe2/0x170 [13987.609974][ T7704] inet6_addr_add+0x12f/0xa40 [13987.609974][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13987.609974][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13987.609974][ T7704] netlink_rcv_skb+0x130/0x360 [13987.609974][ T7704] netlink_unicast+0x449/0x710 [13987.609974][ T7704] netlink_sendmsg+0x723/0xbe0 [13987.609974][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13987.609974][ T7704] ___sys_sendmsg+0xee/0x170 [13987.609974][ T7704] __sys_sendmsg+0xcd/0x170 [13987.609974][ T7704] do_syscall_64+0xc6/0x1e0 [13987.609974][ T7704] [13987.612177][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13987.612177][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13987.612177][ T7704] ipv6_find_idev+0x102/0x170 [13987.612177][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13987.612177][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13987.612177][ T7704] netlink_rcv_skb+0x130/0x360 [13987.612177][ T7704] netlink_unicast+0x449/0x710 [13987.612177][ T7704] netlink_sendmsg+0x723/0xbe0 [13987.612177][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13987.612177][ T7704] ___sys_sendmsg+0xee/0x170 [13987.612177][ T7704] __sys_sendmsg+0xcd/0x170 [13987.612177][ T7704] do_syscall_64+0xc6/0x1e0 [13987.612177][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13987.612177][ T7704] [13987.613876][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13987.613876][ T7704] neigh_parms_alloc+0x1e5/0x510 [13987.613876][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13987.613876][ T7704] ipv6_find_idev+0x102/0x170 [13987.613876][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13987.613876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13987.613876][ T7704] netlink_rcv_skb+0x130/0x360 [13987.613876][ T7704] netlink_unicast+0x449/0x710 [13987.613876][ T7704] netlink_sendmsg+0x723/0xbe0 [13987.613876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13987.613876][ T7704] ___sys_sendmsg+0xee/0x170 [13987.613876][ T7704] __sys_sendmsg+0xcd/0x170 [13987.613876][ T7704] do_syscall_64+0xc6/0x1e0 [13987.613876][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13987.613876][ T7704] [13997.692894][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [13997.693363][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13997.693363][ T7704] netdev_get_by_index+0x5e/0x80 [13997.693363][ T7704] fib6_nh_init+0x3d8/0x15b0 [13997.693363][ T7704] ip6_route_info_create+0xf18/0x17d0 [13997.693363][ T7704] ip6_route_add+0x1c/0x140 [13997.693363][ T7704] addrconf_prefix_route+0x2a6/0x430 [13997.693363][ T7704] inet6_addr_add+0x4f8/0xa40 [13997.693363][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13997.693363][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13997.693363][ T7704] netlink_rcv_skb+0x130/0x360 [13997.693363][ T7704] netlink_unicast+0x449/0x710 [13997.693363][ T7704] netlink_sendmsg+0x723/0xbe0 [13997.693363][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13997.693363][ T7704] ___sys_sendmsg+0xee/0x170 [13997.693363][ T7704] __sys_sendmsg+0xcd/0x170 [13997.693363][ T7704] do_syscall_64+0xc6/0x1e0 [13997.693363][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13997.693363][ T7704] [13997.695609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13997.695609][ T7704] netdev_get_by_index+0x5e/0x80 [13997.695609][ T7704] fib6_nh_init+0x3d8/0x15b0 [13997.695609][ T7704] ip6_route_info_create+0xf18/0x17d0 [13997.695609][ T7704] addrconf_f6i_alloc+0x315/0x560 [13997.695609][ T7704] ipv6_add_addr+0x411/0x2000 [13997.695609][ T7704] inet6_addr_add+0x30e/0xa40 [13997.695609][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13997.695609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13997.695609][ T7704] netlink_rcv_skb+0x130/0x360 [13997.695609][ T7704] netlink_unicast+0x449/0x710 [13997.695609][ T7704] netlink_sendmsg+0x723/0xbe0 [13997.695609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13997.695609][ T7704] ___sys_sendmsg+0xee/0x170 [13997.695609][ T7704] __sys_sendmsg+0xcd/0x170 [13997.695609][ T7704] do_syscall_64+0xc6/0x1e0 [13997.695609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13997.695609][ T7704] [13997.697862][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13997.697862][ T7704] netdev_get_by_index+0x5e/0x80 [13997.697862][ T7704] fib6_nh_init+0x3d8/0x15b0 [13997.697862][ T7704] ip6_route_info_create+0xf18/0x17d0 [13997.697862][ T7704] ip6_route_add+0x1c/0x140 [13997.697862][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [13997.697862][ T7704] addrconf_add_dev+0xe2/0x170 [13997.697862][ T7704] inet6_addr_add+0x12f/0xa40 [13997.697862][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [13997.697862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13997.697862][ T7704] netlink_rcv_skb+0x130/0x360 [13997.697862][ T7704] netlink_unicast+0x449/0x710 [13997.697862][ T7704] netlink_sendmsg+0x723/0xbe0 [13997.697862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13997.697862][ T7704] ___sys_sendmsg+0xee/0x170 [13997.697862][ T7704] __sys_sendmsg+0xcd/0x170 [13997.697862][ T7704] do_syscall_64+0xc6/0x1e0 [13997.697862][ T7704] [13997.700030][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13997.700030][ T7704] ipv6_add_dev+0x3b9/0x11c0 [13997.700030][ T7704] ipv6_find_idev+0x102/0x170 [13997.700030][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13997.700030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13997.700030][ T7704] netlink_rcv_skb+0x130/0x360 [13997.700030][ T7704] netlink_unicast+0x449/0x710 [13997.700030][ T7704] netlink_sendmsg+0x723/0xbe0 [13997.700030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13997.700030][ T7704] ___sys_sendmsg+0xee/0x170 [13997.700030][ T7704] __sys_sendmsg+0xcd/0x170 [13997.700030][ T7704] do_syscall_64+0xc6/0x1e0 [13997.700030][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13997.700030][ T7704] [13997.701742][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [13997.701742][ T7704] neigh_parms_alloc+0x1e5/0x510 [13997.701742][ T7704] ipv6_add_dev+0x2fd/0x11c0 [13997.701742][ T7704] ipv6_find_idev+0x102/0x170 [13997.701742][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [13997.701742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [13997.701742][ T7704] netlink_rcv_skb+0x130/0x360 [13997.701742][ T7704] netlink_unicast+0x449/0x710 [13997.701742][ T7704] netlink_sendmsg+0x723/0xbe0 [13997.701742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [13997.701742][ T7704] ___sys_sendmsg+0xee/0x170 [13997.701742][ T7704] __sys_sendmsg+0xcd/0x170 [13997.701742][ T7704] do_syscall_64+0xc6/0x1e0 [13997.701742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [13997.701742][ T7704] [14007.940758][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14007.941278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14007.941278][ T7704] netdev_get_by_index+0x5e/0x80 [14007.941278][ T7704] fib6_nh_init+0x3d8/0x15b0 [14007.941278][ T7704] ip6_route_info_create+0xf18/0x17d0 [14007.941278][ T7704] ip6_route_add+0x1c/0x140 [14007.941278][ T7704] addrconf_prefix_route+0x2a6/0x430 [14007.941278][ T7704] inet6_addr_add+0x4f8/0xa40 [14007.941278][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14007.941278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14007.941278][ T7704] netlink_rcv_skb+0x130/0x360 [14007.941278][ T7704] netlink_unicast+0x449/0x710 [14007.941278][ T7704] netlink_sendmsg+0x723/0xbe0 [14007.941278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14007.941278][ T7704] ___sys_sendmsg+0xee/0x170 [14007.941278][ T7704] __sys_sendmsg+0xcd/0x170 [14007.941278][ T7704] do_syscall_64+0xc6/0x1e0 [14007.941278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14007.941278][ T7704] [14007.943509][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14007.943509][ T7704] netdev_get_by_index+0x5e/0x80 [14007.943509][ T7704] fib6_nh_init+0x3d8/0x15b0 [14007.943509][ T7704] ip6_route_info_create+0xf18/0x17d0 [14007.943509][ T7704] addrconf_f6i_alloc+0x315/0x560 [14007.943509][ T7704] ipv6_add_addr+0x411/0x2000 [14007.943509][ T7704] inet6_addr_add+0x30e/0xa40 [14007.943509][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14007.943509][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14007.943509][ T7704] netlink_rcv_skb+0x130/0x360 [14007.943509][ T7704] netlink_unicast+0x449/0x710 [14007.943509][ T7704] netlink_sendmsg+0x723/0xbe0 [14007.943509][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14007.943509][ T7704] ___sys_sendmsg+0xee/0x170 [14007.943509][ T7704] __sys_sendmsg+0xcd/0x170 [14007.943509][ T7704] do_syscall_64+0xc6/0x1e0 [14007.943509][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14007.943509][ T7704] [14007.945728][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14007.945728][ T7704] netdev_get_by_index+0x5e/0x80 [14007.945728][ T7704] fib6_nh_init+0x3d8/0x15b0 [14007.945728][ T7704] ip6_route_info_create+0xf18/0x17d0 [14007.945728][ T7704] ip6_route_add+0x1c/0x140 [14007.945728][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14007.945728][ T7704] addrconf_add_dev+0xe2/0x170 [14007.945728][ T7704] inet6_addr_add+0x12f/0xa40 [14007.945728][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14007.945728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14007.945728][ T7704] netlink_rcv_skb+0x130/0x360 [14007.945728][ T7704] netlink_unicast+0x449/0x710 [14007.945728][ T7704] netlink_sendmsg+0x723/0xbe0 [14007.945728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14007.945728][ T7704] ___sys_sendmsg+0xee/0x170 [14007.945728][ T7704] __sys_sendmsg+0xcd/0x170 [14007.945728][ T7704] do_syscall_64+0xc6/0x1e0 [14007.945728][ T7704] [14007.947905][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14007.947905][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14007.947905][ T7704] ipv6_find_idev+0x102/0x170 [14007.947905][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14007.947905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14007.947905][ T7704] netlink_rcv_skb+0x130/0x360 [14007.947905][ T7704] netlink_unicast+0x449/0x710 [14007.947905][ T7704] netlink_sendmsg+0x723/0xbe0 [14007.947905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14007.947905][ T7704] ___sys_sendmsg+0xee/0x170 [14007.947905][ T7704] __sys_sendmsg+0xcd/0x170 [14007.947905][ T7704] do_syscall_64+0xc6/0x1e0 [14007.947905][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14007.947905][ T7704] [14007.949612][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14007.949612][ T7704] neigh_parms_alloc+0x1e5/0x510 [14007.949612][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14007.949612][ T7704] ipv6_find_idev+0x102/0x170 [14007.949612][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14007.949612][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14007.949612][ T7704] netlink_rcv_skb+0x130/0x360 [14007.949612][ T7704] netlink_unicast+0x449/0x710 [14007.949612][ T7704] netlink_sendmsg+0x723/0xbe0 [14007.949612][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14007.949612][ T7704] ___sys_sendmsg+0xee/0x170 [14007.949612][ T7704] __sys_sendmsg+0xcd/0x170 [14007.949612][ T7704] do_syscall_64+0xc6/0x1e0 [14007.949612][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14007.949612][ T7704] [14018.188826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14018.189347][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14018.189347][ T7704] netdev_get_by_index+0x5e/0x80 [14018.189347][ T7704] fib6_nh_init+0x3d8/0x15b0 [14018.189347][ T7704] ip6_route_info_create+0xf18/0x17d0 [14018.189347][ T7704] ip6_route_add+0x1c/0x140 [14018.189347][ T7704] addrconf_prefix_route+0x2a6/0x430 [14018.189347][ T7704] inet6_addr_add+0x4f8/0xa40 [14018.189347][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14018.189347][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14018.189347][ T7704] netlink_rcv_skb+0x130/0x360 [14018.189347][ T7704] netlink_unicast+0x449/0x710 [14018.189347][ T7704] netlink_sendmsg+0x723/0xbe0 [14018.189347][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14018.189347][ T7704] ___sys_sendmsg+0xee/0x170 [14018.189347][ T7704] __sys_sendmsg+0xcd/0x170 [14018.189347][ T7704] do_syscall_64+0xc6/0x1e0 [14018.189347][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14018.189347][ T7704] [14018.191758][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14018.191758][ T7704] netdev_get_by_index+0x5e/0x80 [14018.191758][ T7704] fib6_nh_init+0x3d8/0x15b0 [14018.191758][ T7704] ip6_route_info_create+0xf18/0x17d0 [14018.191758][ T7704] addrconf_f6i_alloc+0x315/0x560 [14018.191758][ T7704] ipv6_add_addr+0x411/0x2000 [14018.191758][ T7704] inet6_addr_add+0x30e/0xa40 [14018.191758][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14018.191758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14018.191758][ T7704] netlink_rcv_skb+0x130/0x360 [14018.191758][ T7704] netlink_unicast+0x449/0x710 [14018.191758][ T7704] netlink_sendmsg+0x723/0xbe0 [14018.191758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14018.191758][ T7704] ___sys_sendmsg+0xee/0x170 [14018.191758][ T7704] __sys_sendmsg+0xcd/0x170 [14018.191758][ T7704] do_syscall_64+0xc6/0x1e0 [14018.191758][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14018.191758][ T7704] [14018.194123][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14018.194123][ T7704] netdev_get_by_index+0x5e/0x80 [14018.194123][ T7704] fib6_nh_init+0x3d8/0x15b0 [14018.194123][ T7704] ip6_route_info_create+0xf18/0x17d0 [14018.194123][ T7704] ip6_route_add+0x1c/0x140 [14018.194123][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14018.194123][ T7704] addrconf_add_dev+0xe2/0x170 [14018.194123][ T7704] inet6_addr_add+0x12f/0xa40 [14018.194123][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14018.194123][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14018.194123][ T7704] netlink_rcv_skb+0x130/0x360 [14018.194123][ T7704] netlink_unicast+0x449/0x710 [14018.194123][ T7704] netlink_sendmsg+0x723/0xbe0 [14018.194123][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14018.194123][ T7704] ___sys_sendmsg+0xee/0x170 [14018.194123][ T7704] __sys_sendmsg+0xcd/0x170 [14018.194123][ T7704] do_syscall_64+0xc6/0x1e0 [14018.194123][ T7704] [14018.196508][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14018.196508][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14018.196508][ T7704] ipv6_find_idev+0x102/0x170 [14018.196508][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14018.196508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14018.196508][ T7704] netlink_rcv_skb+0x130/0x360 [14018.196508][ T7704] netlink_unicast+0x449/0x710 [14018.196508][ T7704] netlink_sendmsg+0x723/0xbe0 [14018.196508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14018.196508][ T7704] ___sys_sendmsg+0xee/0x170 [14018.196508][ T7704] __sys_sendmsg+0xcd/0x170 [14018.196508][ T7704] do_syscall_64+0xc6/0x1e0 [14018.196508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14018.196508][ T7704] [14018.198352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14018.198352][ T7704] neigh_parms_alloc+0x1e5/0x510 [14018.198352][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14018.198352][ T7704] ipv6_find_idev+0x102/0x170 [14018.198352][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14018.198352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14018.198352][ T7704] netlink_rcv_skb+0x130/0x360 [14018.198352][ T7704] netlink_unicast+0x449/0x710 [14018.198352][ T7704] netlink_sendmsg+0x723/0xbe0 [14018.198352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14018.198352][ T7704] ___sys_sendmsg+0xee/0x170 [14018.198352][ T7704] __sys_sendmsg+0xcd/0x170 [14018.198352][ T7704] do_syscall_64+0xc6/0x1e0 [14018.198352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14018.198352][ T7704] [14028.436834][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14028.437315][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14028.437315][ T7704] netdev_get_by_index+0x5e/0x80 [14028.437315][ T7704] fib6_nh_init+0x3d8/0x15b0 [14028.437315][ T7704] ip6_route_info_create+0xf18/0x17d0 [14028.437315][ T7704] ip6_route_add+0x1c/0x140 [14028.437315][ T7704] addrconf_prefix_route+0x2a6/0x430 [14028.437315][ T7704] inet6_addr_add+0x4f8/0xa40 [14028.437315][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14028.437315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14028.437315][ T7704] netlink_rcv_skb+0x130/0x360 [14028.437315][ T7704] netlink_unicast+0x449/0x710 [14028.437315][ T7704] netlink_sendmsg+0x723/0xbe0 [14028.437315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14028.437315][ T7704] ___sys_sendmsg+0xee/0x170 [14028.437315][ T7704] __sys_sendmsg+0xcd/0x170 [14028.437315][ T7704] do_syscall_64+0xc6/0x1e0 [14028.437315][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14028.437315][ T7704] [14028.439613][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14028.439613][ T7704] netdev_get_by_index+0x5e/0x80 [14028.439613][ T7704] fib6_nh_init+0x3d8/0x15b0 [14028.439613][ T7704] ip6_route_info_create+0xf18/0x17d0 [14028.439613][ T7704] addrconf_f6i_alloc+0x315/0x560 [14028.439613][ T7704] ipv6_add_addr+0x411/0x2000 [14028.439613][ T7704] inet6_addr_add+0x30e/0xa40 [14028.439613][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14028.439613][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14028.439613][ T7704] netlink_rcv_skb+0x130/0x360 [14028.439613][ T7704] netlink_unicast+0x449/0x710 [14028.439613][ T7704] netlink_sendmsg+0x723/0xbe0 [14028.439613][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14028.439613][ T7704] ___sys_sendmsg+0xee/0x170 [14028.439613][ T7704] __sys_sendmsg+0xcd/0x170 [14028.439613][ T7704] do_syscall_64+0xc6/0x1e0 [14028.439613][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14028.439613][ T7704] [14028.441885][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14028.441885][ T7704] netdev_get_by_index+0x5e/0x80 [14028.441885][ T7704] fib6_nh_init+0x3d8/0x15b0 [14028.441885][ T7704] ip6_route_info_create+0xf18/0x17d0 [14028.441885][ T7704] ip6_route_add+0x1c/0x140 [14028.441885][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14028.441885][ T7704] addrconf_add_dev+0xe2/0x170 [14028.441885][ T7704] inet6_addr_add+0x12f/0xa40 [14028.441885][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14028.441885][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14028.441885][ T7704] netlink_rcv_skb+0x130/0x360 [14028.441885][ T7704] netlink_unicast+0x449/0x710 [14028.441885][ T7704] netlink_sendmsg+0x723/0xbe0 [14028.441885][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14028.441885][ T7704] ___sys_sendmsg+0xee/0x170 [14028.441885][ T7704] __sys_sendmsg+0xcd/0x170 [14028.441885][ T7704] do_syscall_64+0xc6/0x1e0 [14028.441885][ T7704] [14028.444106][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14028.444106][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14028.444106][ T7704] ipv6_find_idev+0x102/0x170 [14028.444106][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14028.444106][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14028.444106][ T7704] netlink_rcv_skb+0x130/0x360 [14028.444106][ T7704] netlink_unicast+0x449/0x710 [14028.444106][ T7704] netlink_sendmsg+0x723/0xbe0 [14028.444106][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14028.444106][ T7704] ___sys_sendmsg+0xee/0x170 [14028.444106][ T7704] __sys_sendmsg+0xcd/0x170 [14028.444106][ T7704] do_syscall_64+0xc6/0x1e0 [14028.444106][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14028.444106][ T7704] [14028.445841][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14028.445841][ T7704] neigh_parms_alloc+0x1e5/0x510 [14028.445841][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14028.445841][ T7704] ipv6_find_idev+0x102/0x170 [14028.445841][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14028.445841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14028.445841][ T7704] netlink_rcv_skb+0x130/0x360 [14028.445841][ T7704] netlink_unicast+0x449/0x710 [14028.445841][ T7704] netlink_sendmsg+0x723/0xbe0 [14028.445841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14028.445841][ T7704] ___sys_sendmsg+0xee/0x170 [14028.445841][ T7704] __sys_sendmsg+0xcd/0x170 [14028.445841][ T7704] do_syscall_64+0xc6/0x1e0 [14028.445841][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14028.445841][ T7704] [14038.836885][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14038.837433][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14038.837433][ T7704] netdev_get_by_index+0x5e/0x80 [14038.837433][ T7704] fib6_nh_init+0x3d8/0x15b0 [14038.837433][ T7704] ip6_route_info_create+0xf18/0x17d0 [14038.837433][ T7704] ip6_route_add+0x1c/0x140 [14038.837433][ T7704] addrconf_prefix_route+0x2a6/0x430 [14038.837433][ T7704] inet6_addr_add+0x4f8/0xa40 [14038.837433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14038.837433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14038.837433][ T7704] netlink_rcv_skb+0x130/0x360 [14038.837433][ T7704] netlink_unicast+0x449/0x710 [14038.837433][ T7704] netlink_sendmsg+0x723/0xbe0 [14038.837433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14038.837433][ T7704] ___sys_sendmsg+0xee/0x170 [14038.837433][ T7704] __sys_sendmsg+0xcd/0x170 [14038.837433][ T7704] do_syscall_64+0xc6/0x1e0 [14038.837433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14038.837433][ T7704] [14038.840243][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14038.840243][ T7704] netdev_get_by_index+0x5e/0x80 [14038.840243][ T7704] fib6_nh_init+0x3d8/0x15b0 [14038.840243][ T7704] ip6_route_info_create+0xf18/0x17d0 [14038.840243][ T7704] addrconf_f6i_alloc+0x315/0x560 [14038.840243][ T7704] ipv6_add_addr+0x411/0x2000 [14038.840243][ T7704] inet6_addr_add+0x30e/0xa40 [14038.840243][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14038.840243][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14038.840243][ T7704] netlink_rcv_skb+0x130/0x360 [14038.840243][ T7704] netlink_unicast+0x449/0x710 [14038.840243][ T7704] netlink_sendmsg+0x723/0xbe0 [14038.840243][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14038.840243][ T7704] ___sys_sendmsg+0xee/0x170 [14038.840243][ T7704] __sys_sendmsg+0xcd/0x170 [14038.840243][ T7704] do_syscall_64+0xc6/0x1e0 [14038.840243][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14038.840243][ T7704] [14038.842482][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14038.842482][ T7704] netdev_get_by_index+0x5e/0x80 [14038.842482][ T7704] fib6_nh_init+0x3d8/0x15b0 [14038.842482][ T7704] ip6_route_info_create+0xf18/0x17d0 [14038.842482][ T7704] ip6_route_add+0x1c/0x140 [14038.842482][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14038.842482][ T7704] addrconf_add_dev+0xe2/0x170 [14038.842482][ T7704] inet6_addr_add+0x12f/0xa40 [14038.842482][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14038.842482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14038.842482][ T7704] netlink_rcv_skb+0x130/0x360 [14038.842482][ T7704] netlink_unicast+0x449/0x710 [14038.842482][ T7704] netlink_sendmsg+0x723/0xbe0 [14038.842482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14038.842482][ T7704] ___sys_sendmsg+0xee/0x170 [14038.842482][ T7704] __sys_sendmsg+0xcd/0x170 [14038.842482][ T7704] do_syscall_64+0xc6/0x1e0 [14038.842482][ T7704] [14038.844680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14038.844680][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14038.844680][ T7704] ipv6_find_idev+0x102/0x170 [14038.844680][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14038.844680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14038.844680][ T7704] netlink_rcv_skb+0x130/0x360 [14038.844680][ T7704] netlink_unicast+0x449/0x710 [14038.844680][ T7704] netlink_sendmsg+0x723/0xbe0 [14038.844680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14038.844680][ T7704] ___sys_sendmsg+0xee/0x170 [14038.844680][ T7704] __sys_sendmsg+0xcd/0x170 [14038.844680][ T7704] do_syscall_64+0xc6/0x1e0 [14038.844680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14038.844680][ T7704] [14038.846432][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14038.846432][ T7704] neigh_parms_alloc+0x1e5/0x510 [14038.846432][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14038.846432][ T7704] ipv6_find_idev+0x102/0x170 [14038.846432][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14038.846432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14038.846432][ T7704] netlink_rcv_skb+0x130/0x360 [14038.846432][ T7704] netlink_unicast+0x449/0x710 [14038.846432][ T7704] netlink_sendmsg+0x723/0xbe0 [14038.846432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14038.846432][ T7704] ___sys_sendmsg+0xee/0x170 [14038.846432][ T7704] __sys_sendmsg+0xcd/0x170 [14038.846432][ T7704] do_syscall_64+0xc6/0x1e0 [14038.846432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14038.846432][ T7704] [14048.980907][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14048.981451][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14048.981451][ T7704] netdev_get_by_index+0x5e/0x80 [14048.981451][ T7704] fib6_nh_init+0x3d8/0x15b0 [14048.981451][ T7704] ip6_route_info_create+0xf18/0x17d0 [14048.981451][ T7704] ip6_route_add+0x1c/0x140 [14048.981451][ T7704] addrconf_prefix_route+0x2a6/0x430 [14048.981451][ T7704] inet6_addr_add+0x4f8/0xa40 [14048.981451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14048.981451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14048.981451][ T7704] netlink_rcv_skb+0x130/0x360 [14048.981451][ T7704] netlink_unicast+0x449/0x710 [14048.981451][ T7704] netlink_sendmsg+0x723/0xbe0 [14048.981451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14048.981451][ T7704] ___sys_sendmsg+0xee/0x170 [14048.981451][ T7704] __sys_sendmsg+0xcd/0x170 [14048.981451][ T7704] do_syscall_64+0xc6/0x1e0 [14048.981451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14048.981451][ T7704] [14048.983707][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14048.983707][ T7704] netdev_get_by_index+0x5e/0x80 [14048.983707][ T7704] fib6_nh_init+0x3d8/0x15b0 [14048.983707][ T7704] ip6_route_info_create+0xf18/0x17d0 [14048.983707][ T7704] addrconf_f6i_alloc+0x315/0x560 [14048.983707][ T7704] ipv6_add_addr+0x411/0x2000 [14048.983707][ T7704] inet6_addr_add+0x30e/0xa40 [14048.983707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14048.983707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14048.983707][ T7704] netlink_rcv_skb+0x130/0x360 [14048.983707][ T7704] netlink_unicast+0x449/0x710 [14048.983707][ T7704] netlink_sendmsg+0x723/0xbe0 [14048.983707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14048.983707][ T7704] ___sys_sendmsg+0xee/0x170 [14048.983707][ T7704] __sys_sendmsg+0xcd/0x170 [14048.983707][ T7704] do_syscall_64+0xc6/0x1e0 [14048.983707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14048.983707][ T7704] [14048.985964][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14048.985964][ T7704] netdev_get_by_index+0x5e/0x80 [14048.985964][ T7704] fib6_nh_init+0x3d8/0x15b0 [14048.985964][ T7704] ip6_route_info_create+0xf18/0x17d0 [14048.985964][ T7704] ip6_route_add+0x1c/0x140 [14048.985964][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14048.985964][ T7704] addrconf_add_dev+0xe2/0x170 [14048.985964][ T7704] inet6_addr_add+0x12f/0xa40 [14048.985964][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14048.985964][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14048.985964][ T7704] netlink_rcv_skb+0x130/0x360 [14048.985964][ T7704] netlink_unicast+0x449/0x710 [14048.985964][ T7704] netlink_sendmsg+0x723/0xbe0 [14048.985964][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14048.985964][ T7704] ___sys_sendmsg+0xee/0x170 [14048.985964][ T7704] __sys_sendmsg+0xcd/0x170 [14048.985964][ T7704] do_syscall_64+0xc6/0x1e0 [14048.985964][ T7704] [14048.988172][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14048.988172][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14048.988172][ T7704] ipv6_find_idev+0x102/0x170 [14048.988172][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14048.988172][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14048.988172][ T7704] netlink_rcv_skb+0x130/0x360 [14048.988172][ T7704] netlink_unicast+0x449/0x710 [14048.988172][ T7704] netlink_sendmsg+0x723/0xbe0 [14048.988172][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14048.988172][ T7704] ___sys_sendmsg+0xee/0x170 [14048.988172][ T7704] __sys_sendmsg+0xcd/0x170 [14048.988172][ T7704] do_syscall_64+0xc6/0x1e0 [14048.988172][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14048.988172][ T7704] [14048.989887][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14048.989887][ T7704] neigh_parms_alloc+0x1e5/0x510 [14048.989887][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14048.989887][ T7704] ipv6_find_idev+0x102/0x170 [14048.989887][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14048.989887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14048.989887][ T7704] netlink_rcv_skb+0x130/0x360 [14048.989887][ T7704] netlink_unicast+0x449/0x710 [14048.989887][ T7704] netlink_sendmsg+0x723/0xbe0 [14048.989887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14048.989887][ T7704] ___sys_sendmsg+0xee/0x170 [14048.989887][ T7704] __sys_sendmsg+0xcd/0x170 [14048.989887][ T7704] do_syscall_64+0xc6/0x1e0 [14048.989887][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14048.989887][ T7704] [14059.172809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14059.173283][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14059.173283][ T7704] netdev_get_by_index+0x5e/0x80 [14059.173283][ T7704] fib6_nh_init+0x3d8/0x15b0 [14059.173283][ T7704] ip6_route_info_create+0xf18/0x17d0 [14059.173283][ T7704] ip6_route_add+0x1c/0x140 [14059.173283][ T7704] addrconf_prefix_route+0x2a6/0x430 [14059.173283][ T7704] inet6_addr_add+0x4f8/0xa40 [14059.173283][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14059.173283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14059.173283][ T7704] netlink_rcv_skb+0x130/0x360 [14059.173283][ T7704] netlink_unicast+0x449/0x710 [14059.173283][ T7704] netlink_sendmsg+0x723/0xbe0 [14059.173283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14059.173283][ T7704] ___sys_sendmsg+0xee/0x170 [14059.173283][ T7704] __sys_sendmsg+0xcd/0x170 [14059.173283][ T7704] do_syscall_64+0xc6/0x1e0 [14059.173283][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14059.173283][ T7704] [14059.175582][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14059.175582][ T7704] netdev_get_by_index+0x5e/0x80 [14059.175582][ T7704] fib6_nh_init+0x3d8/0x15b0 [14059.175582][ T7704] ip6_route_info_create+0xf18/0x17d0 [14059.175582][ T7704] addrconf_f6i_alloc+0x315/0x560 [14059.175582][ T7704] ipv6_add_addr+0x411/0x2000 [14059.175582][ T7704] inet6_addr_add+0x30e/0xa40 [14059.175582][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14059.175582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14059.175582][ T7704] netlink_rcv_skb+0x130/0x360 [14059.175582][ T7704] netlink_unicast+0x449/0x710 [14059.175582][ T7704] netlink_sendmsg+0x723/0xbe0 [14059.175582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14059.175582][ T7704] ___sys_sendmsg+0xee/0x170 [14059.175582][ T7704] __sys_sendmsg+0xcd/0x170 [14059.175582][ T7704] do_syscall_64+0xc6/0x1e0 [14059.175582][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14059.175582][ T7704] [14059.177850][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14059.177850][ T7704] netdev_get_by_index+0x5e/0x80 [14059.177850][ T7704] fib6_nh_init+0x3d8/0x15b0 [14059.177850][ T7704] ip6_route_info_create+0xf18/0x17d0 [14059.177850][ T7704] ip6_route_add+0x1c/0x140 [14059.177850][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14059.177850][ T7704] addrconf_add_dev+0xe2/0x170 [14059.177850][ T7704] inet6_addr_add+0x12f/0xa40 [14059.177850][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14059.177850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14059.177850][ T7704] netlink_rcv_skb+0x130/0x360 [14059.177850][ T7704] netlink_unicast+0x449/0x710 [14059.177850][ T7704] netlink_sendmsg+0x723/0xbe0 [14059.177850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14059.177850][ T7704] ___sys_sendmsg+0xee/0x170 [14059.177850][ T7704] __sys_sendmsg+0xcd/0x170 [14059.177850][ T7704] do_syscall_64+0xc6/0x1e0 [14059.177850][ T7704] [14059.180071][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14059.180071][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14059.180071][ T7704] ipv6_find_idev+0x102/0x170 [14059.180071][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14059.180071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14059.180071][ T7704] netlink_rcv_skb+0x130/0x360 [14059.180071][ T7704] netlink_unicast+0x449/0x710 [14059.180071][ T7704] netlink_sendmsg+0x723/0xbe0 [14059.180071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14059.180071][ T7704] ___sys_sendmsg+0xee/0x170 [14059.180071][ T7704] __sys_sendmsg+0xcd/0x170 [14059.180071][ T7704] do_syscall_64+0xc6/0x1e0 [14059.180071][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14059.180071][ T7704] [14059.181825][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14059.181825][ T7704] neigh_parms_alloc+0x1e5/0x510 [14059.181825][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14059.181825][ T7704] ipv6_find_idev+0x102/0x170 [14059.181825][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14059.181825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14059.181825][ T7704] netlink_rcv_skb+0x130/0x360 [14059.181825][ T7704] netlink_unicast+0x449/0x710 [14059.181825][ T7704] netlink_sendmsg+0x723/0xbe0 [14059.181825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14059.181825][ T7704] ___sys_sendmsg+0xee/0x170 [14059.181825][ T7704] __sys_sendmsg+0xcd/0x170 [14059.181825][ T7704] do_syscall_64+0xc6/0x1e0 [14059.181825][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14059.181825][ T7704] [14069.236876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14069.237437][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14069.237437][ T7704] netdev_get_by_index+0x5e/0x80 [14069.237437][ T7704] fib6_nh_init+0x3d8/0x15b0 [14069.237437][ T7704] ip6_route_info_create+0xf18/0x17d0 [14069.237437][ T7704] ip6_route_add+0x1c/0x140 [14069.237437][ T7704] addrconf_prefix_route+0x2a6/0x430 [14069.237437][ T7704] inet6_addr_add+0x4f8/0xa40 [14069.237437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14069.237437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14069.237437][ T7704] netlink_rcv_skb+0x130/0x360 [14069.237437][ T7704] netlink_unicast+0x449/0x710 [14069.237437][ T7704] netlink_sendmsg+0x723/0xbe0 [14069.237437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14069.237437][ T7704] ___sys_sendmsg+0xee/0x170 [14069.237437][ T7704] __sys_sendmsg+0xcd/0x170 [14069.237437][ T7704] do_syscall_64+0xc6/0x1e0 [14069.237437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14069.237437][ T7704] [14069.239722][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14069.239722][ T7704] netdev_get_by_index+0x5e/0x80 [14069.239722][ T7704] fib6_nh_init+0x3d8/0x15b0 [14069.239722][ T7704] ip6_route_info_create+0xf18/0x17d0 [14069.239722][ T7704] addrconf_f6i_alloc+0x315/0x560 [14069.239722][ T7704] ipv6_add_addr+0x411/0x2000 [14069.239722][ T7704] inet6_addr_add+0x30e/0xa40 [14069.239722][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14069.239722][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14069.239722][ T7704] netlink_rcv_skb+0x130/0x360 [14069.239722][ T7704] netlink_unicast+0x449/0x710 [14069.239722][ T7704] netlink_sendmsg+0x723/0xbe0 [14069.239722][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14069.239722][ T7704] ___sys_sendmsg+0xee/0x170 [14069.239722][ T7704] __sys_sendmsg+0xcd/0x170 [14069.239722][ T7704] do_syscall_64+0xc6/0x1e0 [14069.239722][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14069.239722][ T7704] [14069.241980][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14069.241980][ T7704] netdev_get_by_index+0x5e/0x80 [14069.241980][ T7704] fib6_nh_init+0x3d8/0x15b0 [14069.241980][ T7704] ip6_route_info_create+0xf18/0x17d0 [14069.241980][ T7704] ip6_route_add+0x1c/0x140 [14069.241980][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14069.241980][ T7704] addrconf_add_dev+0xe2/0x170 [14069.241980][ T7704] inet6_addr_add+0x12f/0xa40 [14069.241980][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14069.241980][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14069.241980][ T7704] netlink_rcv_skb+0x130/0x360 [14069.241980][ T7704] netlink_unicast+0x449/0x710 [14069.241980][ T7704] netlink_sendmsg+0x723/0xbe0 [14069.241980][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14069.241980][ T7704] ___sys_sendmsg+0xee/0x170 [14069.241980][ T7704] __sys_sendmsg+0xcd/0x170 [14069.241980][ T7704] do_syscall_64+0xc6/0x1e0 [14069.241980][ T7704] [14069.244183][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14069.244183][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14069.244183][ T7704] ipv6_find_idev+0x102/0x170 [14069.244183][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14069.244183][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14069.244183][ T7704] netlink_rcv_skb+0x130/0x360 [14069.244183][ T7704] netlink_unicast+0x449/0x710 [14069.244183][ T7704] netlink_sendmsg+0x723/0xbe0 [14069.244183][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14069.244183][ T7704] ___sys_sendmsg+0xee/0x170 [14069.244183][ T7704] __sys_sendmsg+0xcd/0x170 [14069.244183][ T7704] do_syscall_64+0xc6/0x1e0 [14069.244183][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14069.244183][ T7704] [14069.245923][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14069.245923][ T7704] neigh_parms_alloc+0x1e5/0x510 [14069.245923][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14069.245923][ T7704] ipv6_find_idev+0x102/0x170 [14069.245923][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14069.245923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14069.245923][ T7704] netlink_rcv_skb+0x130/0x360 [14069.245923][ T7704] netlink_unicast+0x449/0x710 [14069.245923][ T7704] netlink_sendmsg+0x723/0xbe0 [14069.245923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14069.245923][ T7704] ___sys_sendmsg+0xee/0x170 [14069.245923][ T7704] __sys_sendmsg+0xcd/0x170 [14069.245923][ T7704] do_syscall_64+0xc6/0x1e0 [14069.245923][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14069.245923][ T7704] [14079.484873][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14079.485361][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14079.485361][ T7704] netdev_get_by_index+0x5e/0x80 [14079.485361][ T7704] fib6_nh_init+0x3d8/0x15b0 [14079.485361][ T7704] ip6_route_info_create+0xf18/0x17d0 [14079.485361][ T7704] ip6_route_add+0x1c/0x140 [14079.485361][ T7704] addrconf_prefix_route+0x2a6/0x430 [14079.485361][ T7704] inet6_addr_add+0x4f8/0xa40 [14079.485361][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14079.485361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14079.485361][ T7704] netlink_rcv_skb+0x130/0x360 [14079.485361][ T7704] netlink_unicast+0x449/0x710 [14079.485361][ T7704] netlink_sendmsg+0x723/0xbe0 [14079.485361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14079.485361][ T7704] ___sys_sendmsg+0xee/0x170 [14079.485361][ T7704] __sys_sendmsg+0xcd/0x170 [14079.485361][ T7704] do_syscall_64+0xc6/0x1e0 [14079.485361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14079.485361][ T7704] [14079.487674][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14079.487674][ T7704] netdev_get_by_index+0x5e/0x80 [14079.487674][ T7704] fib6_nh_init+0x3d8/0x15b0 [14079.487674][ T7704] ip6_route_info_create+0xf18/0x17d0 [14079.487674][ T7704] addrconf_f6i_alloc+0x315/0x560 [14079.487674][ T7704] ipv6_add_addr+0x411/0x2000 [14079.487674][ T7704] inet6_addr_add+0x30e/0xa40 [14079.487674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14079.487674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14079.487674][ T7704] netlink_rcv_skb+0x130/0x360 [14079.487674][ T7704] netlink_unicast+0x449/0x710 [14079.487674][ T7704] netlink_sendmsg+0x723/0xbe0 [14079.487674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14079.487674][ T7704] ___sys_sendmsg+0xee/0x170 [14079.487674][ T7704] __sys_sendmsg+0xcd/0x170 [14079.487674][ T7704] do_syscall_64+0xc6/0x1e0 [14079.487674][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14079.487674][ T7704] [14079.489960][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14079.489960][ T7704] netdev_get_by_index+0x5e/0x80 [14079.489960][ T7704] fib6_nh_init+0x3d8/0x15b0 [14079.489960][ T7704] ip6_route_info_create+0xf18/0x17d0 [14079.489960][ T7704] ip6_route_add+0x1c/0x140 [14079.489960][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14079.489960][ T7704] addrconf_add_dev+0xe2/0x170 [14079.489960][ T7704] inet6_addr_add+0x12f/0xa40 [14079.489960][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14079.489960][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14079.489960][ T7704] netlink_rcv_skb+0x130/0x360 [14079.489960][ T7704] netlink_unicast+0x449/0x710 [14079.489960][ T7704] netlink_sendmsg+0x723/0xbe0 [14079.489960][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14079.489960][ T7704] ___sys_sendmsg+0xee/0x170 [14079.489960][ T7704] __sys_sendmsg+0xcd/0x170 [14079.489960][ T7704] do_syscall_64+0xc6/0x1e0 [14079.489960][ T7704] [14079.492198][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14079.492198][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14079.492198][ T7704] ipv6_find_idev+0x102/0x170 [14079.492198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14079.492198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14079.492198][ T7704] netlink_rcv_skb+0x130/0x360 [14079.492198][ T7704] netlink_unicast+0x449/0x710 [14079.492198][ T7704] netlink_sendmsg+0x723/0xbe0 [14079.492198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14079.492198][ T7704] ___sys_sendmsg+0xee/0x170 [14079.492198][ T7704] __sys_sendmsg+0xcd/0x170 [14079.492198][ T7704] do_syscall_64+0xc6/0x1e0 [14079.492198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14079.492198][ T7704] [14079.493947][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14079.493947][ T7704] neigh_parms_alloc+0x1e5/0x510 [14079.493947][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14079.493947][ T7704] ipv6_find_idev+0x102/0x170 [14079.493947][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14079.493947][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14079.493947][ T7704] netlink_rcv_skb+0x130/0x360 [14079.493947][ T7704] netlink_unicast+0x449/0x710 [14079.493947][ T7704] netlink_sendmsg+0x723/0xbe0 [14079.493947][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14079.493947][ T7704] ___sys_sendmsg+0xee/0x170 [14079.493947][ T7704] __sys_sendmsg+0xcd/0x170 [14079.493947][ T7704] do_syscall_64+0xc6/0x1e0 [14079.493947][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14079.493947][ T7704] [14089.636853][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14089.637401][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14089.637401][ T7704] netdev_get_by_index+0x5e/0x80 [14089.637401][ T7704] fib6_nh_init+0x3d8/0x15b0 [14089.637401][ T7704] ip6_route_info_create+0xf18/0x17d0 [14089.637401][ T7704] ip6_route_add+0x1c/0x140 [14089.637401][ T7704] addrconf_prefix_route+0x2a6/0x430 [14089.637401][ T7704] inet6_addr_add+0x4f8/0xa40 [14089.637401][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14089.637401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14089.637401][ T7704] netlink_rcv_skb+0x130/0x360 [14089.637401][ T7704] netlink_unicast+0x449/0x710 [14089.637401][ T7704] netlink_sendmsg+0x723/0xbe0 [14089.637401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14089.637401][ T7704] ___sys_sendmsg+0xee/0x170 [14089.637401][ T7704] __sys_sendmsg+0xcd/0x170 [14089.637401][ T7704] do_syscall_64+0xc6/0x1e0 [14089.637401][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14089.637401][ T7704] [14089.639776][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14089.639776][ T7704] netdev_get_by_index+0x5e/0x80 [14089.639776][ T7704] fib6_nh_init+0x3d8/0x15b0 [14089.639776][ T7704] ip6_route_info_create+0xf18/0x17d0 [14089.639776][ T7704] addrconf_f6i_alloc+0x315/0x560 [14089.639776][ T7704] ipv6_add_addr+0x411/0x2000 [14089.639776][ T7704] inet6_addr_add+0x30e/0xa40 [14089.639776][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14089.639776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14089.639776][ T7704] netlink_rcv_skb+0x130/0x360 [14089.639776][ T7704] netlink_unicast+0x449/0x710 [14089.639776][ T7704] netlink_sendmsg+0x723/0xbe0 [14089.639776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14089.639776][ T7704] ___sys_sendmsg+0xee/0x170 [14089.639776][ T7704] __sys_sendmsg+0xcd/0x170 [14089.639776][ T7704] do_syscall_64+0xc6/0x1e0 [14089.639776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14089.639776][ T7704] [14089.642178][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14089.642178][ T7704] netdev_get_by_index+0x5e/0x80 [14089.642178][ T7704] fib6_nh_init+0x3d8/0x15b0 [14089.642178][ T7704] ip6_route_info_create+0xf18/0x17d0 [14089.642178][ T7704] ip6_route_add+0x1c/0x140 [14089.642178][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14089.642178][ T7704] addrconf_add_dev+0xe2/0x170 [14089.642178][ T7704] inet6_addr_add+0x12f/0xa40 [14089.642178][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14089.642178][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14089.642178][ T7704] netlink_rcv_skb+0x130/0x360 [14089.642178][ T7704] netlink_unicast+0x449/0x710 [14089.642178][ T7704] netlink_sendmsg+0x723/0xbe0 [14089.642178][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14089.642178][ T7704] ___sys_sendmsg+0xee/0x170 [14089.642178][ T7704] __sys_sendmsg+0xcd/0x170 [14089.642178][ T7704] do_syscall_64+0xc6/0x1e0 [14089.642178][ T7704] [14089.644565][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14089.644565][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14089.644565][ T7704] ipv6_find_idev+0x102/0x170 [14089.644565][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14089.644565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14089.644565][ T7704] netlink_rcv_skb+0x130/0x360 [14089.644565][ T7704] netlink_unicast+0x449/0x710 [14089.644565][ T7704] netlink_sendmsg+0x723/0xbe0 [14089.644565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14089.644565][ T7704] ___sys_sendmsg+0xee/0x170 [14089.644565][ T7704] __sys_sendmsg+0xcd/0x170 [14089.644565][ T7704] do_syscall_64+0xc6/0x1e0 [14089.644565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14089.644565][ T7704] [14089.646434][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14089.646434][ T7704] neigh_parms_alloc+0x1e5/0x510 [14089.646434][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14089.646434][ T7704] ipv6_find_idev+0x102/0x170 [14089.646434][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14089.646434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14089.646434][ T7704] netlink_rcv_skb+0x130/0x360 [14089.646434][ T7704] netlink_unicast+0x449/0x710 [14089.646434][ T7704] netlink_sendmsg+0x723/0xbe0 [14089.646434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14089.646434][ T7704] ___sys_sendmsg+0xee/0x170 [14089.646434][ T7704] __sys_sendmsg+0xcd/0x170 [14089.646434][ T7704] do_syscall_64+0xc6/0x1e0 [14089.646434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14089.646434][ T7704] [14099.748889][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14099.749348][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14099.749348][ T7704] netdev_get_by_index+0x5e/0x80 [14099.749348][ T7704] fib6_nh_init+0x3d8/0x15b0 [14099.749348][ T7704] ip6_route_info_create+0xf18/0x17d0 [14099.749348][ T7704] ip6_route_add+0x1c/0x140 [14099.749348][ T7704] addrconf_prefix_route+0x2a6/0x430 [14099.749348][ T7704] inet6_addr_add+0x4f8/0xa40 [14099.749348][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14099.749348][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14099.749348][ T7704] netlink_rcv_skb+0x130/0x360 [14099.749348][ T7704] netlink_unicast+0x449/0x710 [14099.749348][ T7704] netlink_sendmsg+0x723/0xbe0 [14099.749348][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14099.749348][ T7704] ___sys_sendmsg+0xee/0x170 [14099.749348][ T7704] __sys_sendmsg+0xcd/0x170 [14099.749348][ T7704] do_syscall_64+0xc6/0x1e0 [14099.749348][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14099.749348][ T7704] [14099.751648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14099.751648][ T7704] netdev_get_by_index+0x5e/0x80 [14099.751648][ T7704] fib6_nh_init+0x3d8/0x15b0 [14099.751648][ T7704] ip6_route_info_create+0xf18/0x17d0 [14099.751648][ T7704] addrconf_f6i_alloc+0x315/0x560 [14099.751648][ T7704] ipv6_add_addr+0x411/0x2000 [14099.751648][ T7704] inet6_addr_add+0x30e/0xa40 [14099.751648][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14099.751648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14099.751648][ T7704] netlink_rcv_skb+0x130/0x360 [14099.751648][ T7704] netlink_unicast+0x449/0x710 [14099.751648][ T7704] netlink_sendmsg+0x723/0xbe0 [14099.751648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14099.751648][ T7704] ___sys_sendmsg+0xee/0x170 [14099.751648][ T7704] __sys_sendmsg+0xcd/0x170 [14099.751648][ T7704] do_syscall_64+0xc6/0x1e0 [14099.751648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14099.751648][ T7704] [14099.753884][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14099.753884][ T7704] netdev_get_by_index+0x5e/0x80 [14099.753884][ T7704] fib6_nh_init+0x3d8/0x15b0 [14099.753884][ T7704] ip6_route_info_create+0xf18/0x17d0 [14099.753884][ T7704] ip6_route_add+0x1c/0x140 [14099.753884][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14099.753884][ T7704] addrconf_add_dev+0xe2/0x170 [14099.753884][ T7704] inet6_addr_add+0x12f/0xa40 [14099.753884][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14099.753884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14099.753884][ T7704] netlink_rcv_skb+0x130/0x360 [14099.753884][ T7704] netlink_unicast+0x449/0x710 [14099.753884][ T7704] netlink_sendmsg+0x723/0xbe0 [14099.753884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14099.753884][ T7704] ___sys_sendmsg+0xee/0x170 [14099.753884][ T7704] __sys_sendmsg+0xcd/0x170 [14099.753884][ T7704] do_syscall_64+0xc6/0x1e0 [14099.753884][ T7704] [14099.756094][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14099.756094][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14099.756094][ T7704] ipv6_find_idev+0x102/0x170 [14099.756094][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14099.756094][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14099.756094][ T7704] netlink_rcv_skb+0x130/0x360 [14099.756094][ T7704] netlink_unicast+0x449/0x710 [14099.756094][ T7704] netlink_sendmsg+0x723/0xbe0 [14099.756094][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14099.756094][ T7704] ___sys_sendmsg+0xee/0x170 [14099.756094][ T7704] __sys_sendmsg+0xcd/0x170 [14099.756094][ T7704] do_syscall_64+0xc6/0x1e0 [14099.756094][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14099.756094][ T7704] [14099.757806][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14099.757806][ T7704] neigh_parms_alloc+0x1e5/0x510 [14099.757806][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14099.757806][ T7704] ipv6_find_idev+0x102/0x170 [14099.757806][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14099.757806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14099.757806][ T7704] netlink_rcv_skb+0x130/0x360 [14099.757806][ T7704] netlink_unicast+0x449/0x710 [14099.757806][ T7704] netlink_sendmsg+0x723/0xbe0 [14099.757806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14099.757806][ T7704] ___sys_sendmsg+0xee/0x170 [14099.757806][ T7704] __sys_sendmsg+0xcd/0x170 [14099.757806][ T7704] do_syscall_64+0xc6/0x1e0 [14099.757806][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14099.757806][ T7704] [14109.772821][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14109.773289][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14109.773289][ T7704] netdev_get_by_index+0x5e/0x80 [14109.773289][ T7704] fib6_nh_init+0x3d8/0x15b0 [14109.773289][ T7704] ip6_route_info_create+0xf18/0x17d0 [14109.773289][ T7704] ip6_route_add+0x1c/0x140 [14109.773289][ T7704] addrconf_prefix_route+0x2a6/0x430 [14109.773289][ T7704] inet6_addr_add+0x4f8/0xa40 [14109.773289][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14109.773289][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14109.773289][ T7704] netlink_rcv_skb+0x130/0x360 [14109.773289][ T7704] netlink_unicast+0x449/0x710 [14109.773289][ T7704] netlink_sendmsg+0x723/0xbe0 [14109.773289][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14109.773289][ T7704] ___sys_sendmsg+0xee/0x170 [14109.773289][ T7704] __sys_sendmsg+0xcd/0x170 [14109.773289][ T7704] do_syscall_64+0xc6/0x1e0 [14109.773289][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14109.773289][ T7704] [14109.775565][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14109.775565][ T7704] netdev_get_by_index+0x5e/0x80 [14109.775565][ T7704] fib6_nh_init+0x3d8/0x15b0 [14109.775565][ T7704] ip6_route_info_create+0xf18/0x17d0 [14109.775565][ T7704] addrconf_f6i_alloc+0x315/0x560 [14109.775565][ T7704] ipv6_add_addr+0x411/0x2000 [14109.775565][ T7704] inet6_addr_add+0x30e/0xa40 [14109.775565][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14109.775565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14109.775565][ T7704] netlink_rcv_skb+0x130/0x360 [14109.775565][ T7704] netlink_unicast+0x449/0x710 [14109.775565][ T7704] netlink_sendmsg+0x723/0xbe0 [14109.775565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14109.775565][ T7704] ___sys_sendmsg+0xee/0x170 [14109.775565][ T7704] __sys_sendmsg+0xcd/0x170 [14109.775565][ T7704] do_syscall_64+0xc6/0x1e0 [14109.775565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14109.775565][ T7704] [14109.777785][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14109.777785][ T7704] netdev_get_by_index+0x5e/0x80 [14109.777785][ T7704] fib6_nh_init+0x3d8/0x15b0 [14109.777785][ T7704] ip6_route_info_create+0xf18/0x17d0 [14109.777785][ T7704] ip6_route_add+0x1c/0x140 [14109.777785][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14109.777785][ T7704] addrconf_add_dev+0xe2/0x170 [14109.777785][ T7704] inet6_addr_add+0x12f/0xa40 [14109.777785][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14109.777785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14109.777785][ T7704] netlink_rcv_skb+0x130/0x360 [14109.777785][ T7704] netlink_unicast+0x449/0x710 [14109.777785][ T7704] netlink_sendmsg+0x723/0xbe0 [14109.777785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14109.777785][ T7704] ___sys_sendmsg+0xee/0x170 [14109.777785][ T7704] __sys_sendmsg+0xcd/0x170 [14109.777785][ T7704] do_syscall_64+0xc6/0x1e0 [14109.777785][ T7704] [14109.779969][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14109.779969][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14109.779969][ T7704] ipv6_find_idev+0x102/0x170 [14109.779969][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14109.779969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14109.779969][ T7704] netlink_rcv_skb+0x130/0x360 [14109.779969][ T7704] netlink_unicast+0x449/0x710 [14109.779969][ T7704] netlink_sendmsg+0x723/0xbe0 [14109.779969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14109.779969][ T7704] ___sys_sendmsg+0xee/0x170 [14109.779969][ T7704] __sys_sendmsg+0xcd/0x170 [14109.779969][ T7704] do_syscall_64+0xc6/0x1e0 [14109.779969][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14109.779969][ T7704] [14109.781673][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14109.781673][ T7704] neigh_parms_alloc+0x1e5/0x510 [14109.781673][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14109.781673][ T7704] ipv6_find_idev+0x102/0x170 [14109.781673][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14109.781673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14109.781673][ T7704] netlink_rcv_skb+0x130/0x360 [14109.781673][ T7704] netlink_unicast+0x449/0x710 [14109.781673][ T7704] netlink_sendmsg+0x723/0xbe0 [14109.781673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14109.781673][ T7704] ___sys_sendmsg+0xee/0x170 [14109.781673][ T7704] __sys_sendmsg+0xcd/0x170 [14109.781673][ T7704] do_syscall_64+0xc6/0x1e0 [14109.781673][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14109.781673][ T7704] [14119.788898][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14119.789377][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14119.789377][ T7704] netdev_get_by_index+0x5e/0x80 [14119.789377][ T7704] fib6_nh_init+0x3d8/0x15b0 [14119.789377][ T7704] ip6_route_info_create+0xf18/0x17d0 [14119.789377][ T7704] ip6_route_add+0x1c/0x140 [14119.789377][ T7704] addrconf_prefix_route+0x2a6/0x430 [14119.789377][ T7704] inet6_addr_add+0x4f8/0xa40 [14119.789377][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14119.789377][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14119.789377][ T7704] netlink_rcv_skb+0x130/0x360 [14119.789377][ T7704] netlink_unicast+0x449/0x710 [14119.789377][ T7704] netlink_sendmsg+0x723/0xbe0 [14119.789377][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14119.789377][ T7704] ___sys_sendmsg+0xee/0x170 [14119.789377][ T7704] __sys_sendmsg+0xcd/0x170 [14119.789377][ T7704] do_syscall_64+0xc6/0x1e0 [14119.789377][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14119.789377][ T7704] [14119.791609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14119.791609][ T7704] netdev_get_by_index+0x5e/0x80 [14119.791609][ T7704] fib6_nh_init+0x3d8/0x15b0 [14119.791609][ T7704] ip6_route_info_create+0xf18/0x17d0 [14119.791609][ T7704] addrconf_f6i_alloc+0x315/0x560 [14119.791609][ T7704] ipv6_add_addr+0x411/0x2000 [14119.791609][ T7704] inet6_addr_add+0x30e/0xa40 [14119.791609][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14119.791609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14119.791609][ T7704] netlink_rcv_skb+0x130/0x360 [14119.791609][ T7704] netlink_unicast+0x449/0x710 [14119.791609][ T7704] netlink_sendmsg+0x723/0xbe0 [14119.791609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14119.791609][ T7704] ___sys_sendmsg+0xee/0x170 [14119.791609][ T7704] __sys_sendmsg+0xcd/0x170 [14119.791609][ T7704] do_syscall_64+0xc6/0x1e0 [14119.791609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14119.791609][ T7704] [14119.793821][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14119.793821][ T7704] netdev_get_by_index+0x5e/0x80 [14119.793821][ T7704] fib6_nh_init+0x3d8/0x15b0 [14119.793821][ T7704] ip6_route_info_create+0xf18/0x17d0 [14119.793821][ T7704] ip6_route_add+0x1c/0x140 [14119.793821][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14119.793821][ T7704] addrconf_add_dev+0xe2/0x170 [14119.793821][ T7704] inet6_addr_add+0x12f/0xa40 [14119.793821][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14119.793821][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14119.793821][ T7704] netlink_rcv_skb+0x130/0x360 [14119.793821][ T7704] netlink_unicast+0x449/0x710 [14119.793821][ T7704] netlink_sendmsg+0x723/0xbe0 [14119.793821][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14119.793821][ T7704] ___sys_sendmsg+0xee/0x170 [14119.793821][ T7704] __sys_sendmsg+0xcd/0x170 [14119.793821][ T7704] do_syscall_64+0xc6/0x1e0 [14119.793821][ T7704] [14119.796009][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14119.796009][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14119.796009][ T7704] ipv6_find_idev+0x102/0x170 [14119.796009][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14119.796009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14119.796009][ T7704] netlink_rcv_skb+0x130/0x360 [14119.796009][ T7704] netlink_unicast+0x449/0x710 [14119.796009][ T7704] netlink_sendmsg+0x723/0xbe0 [14119.796009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14119.796009][ T7704] ___sys_sendmsg+0xee/0x170 [14119.796009][ T7704] __sys_sendmsg+0xcd/0x170 [14119.796009][ T7704] do_syscall_64+0xc6/0x1e0 [14119.796009][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14119.796009][ T7704] [14119.797708][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14119.797708][ T7704] neigh_parms_alloc+0x1e5/0x510 [14119.797708][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14119.797708][ T7704] ipv6_find_idev+0x102/0x170 [14119.797708][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14119.797708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14119.797708][ T7704] netlink_rcv_skb+0x130/0x360 [14119.797708][ T7704] netlink_unicast+0x449/0x710 [14119.797708][ T7704] netlink_sendmsg+0x723/0xbe0 [14119.797708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14119.797708][ T7704] ___sys_sendmsg+0xee/0x170 [14119.797708][ T7704] __sys_sendmsg+0xcd/0x170 [14119.797708][ T7704] do_syscall_64+0xc6/0x1e0 [14119.797708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14119.797708][ T7704] [14129.836945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14129.837413][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14129.837413][ T7704] netdev_get_by_index+0x5e/0x80 [14129.837413][ T7704] fib6_nh_init+0x3d8/0x15b0 [14129.837413][ T7704] ip6_route_info_create+0xf18/0x17d0 [14129.837413][ T7704] ip6_route_add+0x1c/0x140 [14129.837413][ T7704] addrconf_prefix_route+0x2a6/0x430 [14129.837413][ T7704] inet6_addr_add+0x4f8/0xa40 [14129.837413][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14129.837413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14129.837413][ T7704] netlink_rcv_skb+0x130/0x360 [14129.837413][ T7704] netlink_unicast+0x449/0x710 [14129.837413][ T7704] netlink_sendmsg+0x723/0xbe0 [14129.837413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14129.837413][ T7704] ___sys_sendmsg+0xee/0x170 [14129.837413][ T7704] __sys_sendmsg+0xcd/0x170 [14129.837413][ T7704] do_syscall_64+0xc6/0x1e0 [14129.837413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14129.837413][ T7704] [14129.839701][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14129.839701][ T7704] netdev_get_by_index+0x5e/0x80 [14129.839701][ T7704] fib6_nh_init+0x3d8/0x15b0 [14129.839701][ T7704] ip6_route_info_create+0xf18/0x17d0 [14129.839701][ T7704] addrconf_f6i_alloc+0x315/0x560 [14129.839701][ T7704] ipv6_add_addr+0x411/0x2000 [14129.839701][ T7704] inet6_addr_add+0x30e/0xa40 [14129.839701][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14129.839701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14129.839701][ T7704] netlink_rcv_skb+0x130/0x360 [14129.839701][ T7704] netlink_unicast+0x449/0x710 [14129.839701][ T7704] netlink_sendmsg+0x723/0xbe0 [14129.839701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14129.839701][ T7704] ___sys_sendmsg+0xee/0x170 [14129.839701][ T7704] __sys_sendmsg+0xcd/0x170 [14129.839701][ T7704] do_syscall_64+0xc6/0x1e0 [14129.839701][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14129.839701][ T7704] [14129.841919][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14129.841919][ T7704] netdev_get_by_index+0x5e/0x80 [14129.841919][ T7704] fib6_nh_init+0x3d8/0x15b0 [14129.841919][ T7704] ip6_route_info_create+0xf18/0x17d0 [14129.841919][ T7704] ip6_route_add+0x1c/0x140 [14129.841919][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14129.841919][ T7704] addrconf_add_dev+0xe2/0x170 [14129.841919][ T7704] inet6_addr_add+0x12f/0xa40 [14129.841919][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14129.841919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14129.841919][ T7704] netlink_rcv_skb+0x130/0x360 [14129.841919][ T7704] netlink_unicast+0x449/0x710 [14129.841919][ T7704] netlink_sendmsg+0x723/0xbe0 [14129.841919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14129.841919][ T7704] ___sys_sendmsg+0xee/0x170 [14129.841919][ T7704] __sys_sendmsg+0xcd/0x170 [14129.841919][ T7704] do_syscall_64+0xc6/0x1e0 [14129.841919][ T7704] [14129.844209][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14129.844209][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14129.844209][ T7704] ipv6_find_idev+0x102/0x170 [14129.844209][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14129.844209][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14129.844209][ T7704] netlink_rcv_skb+0x130/0x360 [14129.844209][ T7704] netlink_unicast+0x449/0x710 [14129.844209][ T7704] netlink_sendmsg+0x723/0xbe0 [14129.844209][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14129.844209][ T7704] ___sys_sendmsg+0xee/0x170 [14129.844209][ T7704] __sys_sendmsg+0xcd/0x170 [14129.844209][ T7704] do_syscall_64+0xc6/0x1e0 [14129.844209][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14129.844209][ T7704] [14129.845932][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14129.845932][ T7704] neigh_parms_alloc+0x1e5/0x510 [14129.845932][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14129.845932][ T7704] ipv6_find_idev+0x102/0x170 [14129.845932][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14129.845932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14129.845932][ T7704] netlink_rcv_skb+0x130/0x360 [14129.845932][ T7704] netlink_unicast+0x449/0x710 [14129.845932][ T7704] netlink_sendmsg+0x723/0xbe0 [14129.845932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14129.845932][ T7704] ___sys_sendmsg+0xee/0x170 [14129.845932][ T7704] __sys_sendmsg+0xcd/0x170 [14129.845932][ T7704] do_syscall_64+0xc6/0x1e0 [14129.845932][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14129.845932][ T7704] [14139.916815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14139.917299][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14139.917299][ T7704] netdev_get_by_index+0x5e/0x80 [14139.917299][ T7704] fib6_nh_init+0x3d8/0x15b0 [14139.917299][ T7704] ip6_route_info_create+0xf18/0x17d0 [14139.917299][ T7704] ip6_route_add+0x1c/0x140 [14139.917299][ T7704] addrconf_prefix_route+0x2a6/0x430 [14139.917299][ T7704] inet6_addr_add+0x4f8/0xa40 [14139.917299][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14139.917299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14139.917299][ T7704] netlink_rcv_skb+0x130/0x360 [14139.917299][ T7704] netlink_unicast+0x449/0x710 [14139.917299][ T7704] netlink_sendmsg+0x723/0xbe0 [14139.917299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14139.917299][ T7704] ___sys_sendmsg+0xee/0x170 [14139.917299][ T7704] __sys_sendmsg+0xcd/0x170 [14139.917299][ T7704] do_syscall_64+0xc6/0x1e0 [14139.917299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14139.917299][ T7704] [14139.919540][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14139.919540][ T7704] netdev_get_by_index+0x5e/0x80 [14139.919540][ T7704] fib6_nh_init+0x3d8/0x15b0 [14139.919540][ T7704] ip6_route_info_create+0xf18/0x17d0 [14139.919540][ T7704] addrconf_f6i_alloc+0x315/0x560 [14139.919540][ T7704] ipv6_add_addr+0x411/0x2000 [14139.919540][ T7704] inet6_addr_add+0x30e/0xa40 [14139.919540][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14139.919540][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14139.919540][ T7704] netlink_rcv_skb+0x130/0x360 [14139.919540][ T7704] netlink_unicast+0x449/0x710 [14139.919540][ T7704] netlink_sendmsg+0x723/0xbe0 [14139.919540][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14139.919540][ T7704] ___sys_sendmsg+0xee/0x170 [14139.919540][ T7704] __sys_sendmsg+0xcd/0x170 [14139.919540][ T7704] do_syscall_64+0xc6/0x1e0 [14139.919540][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14139.919540][ T7704] [14139.921768][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14139.921768][ T7704] netdev_get_by_index+0x5e/0x80 [14139.921768][ T7704] fib6_nh_init+0x3d8/0x15b0 [14139.921768][ T7704] ip6_route_info_create+0xf18/0x17d0 [14139.921768][ T7704] ip6_route_add+0x1c/0x140 [14139.921768][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14139.921768][ T7704] addrconf_add_dev+0xe2/0x170 [14139.921768][ T7704] inet6_addr_add+0x12f/0xa40 [14139.921768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14139.921768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14139.921768][ T7704] netlink_rcv_skb+0x130/0x360 [14139.921768][ T7704] netlink_unicast+0x449/0x710 [14139.921768][ T7704] netlink_sendmsg+0x723/0xbe0 [14139.921768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14139.921768][ T7704] ___sys_sendmsg+0xee/0x170 [14139.921768][ T7704] __sys_sendmsg+0xcd/0x170 [14139.921768][ T7704] do_syscall_64+0xc6/0x1e0 [14139.921768][ T7704] [14139.924104][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14139.924104][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14139.924104][ T7704] ipv6_find_idev+0x102/0x170 [14139.924104][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14139.924104][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14139.924104][ T7704] netlink_rcv_skb+0x130/0x360 [14139.924104][ T7704] netlink_unicast+0x449/0x710 [14139.924104][ T7704] netlink_sendmsg+0x723/0xbe0 [14139.924104][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14139.924104][ T7704] ___sys_sendmsg+0xee/0x170 [14139.924104][ T7704] __sys_sendmsg+0xcd/0x170 [14139.924104][ T7704] do_syscall_64+0xc6/0x1e0 [14139.924104][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14139.924104][ T7704] [14139.925918][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14139.925918][ T7704] neigh_parms_alloc+0x1e5/0x510 [14139.925918][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14139.925918][ T7704] ipv6_find_idev+0x102/0x170 [14139.925918][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14139.925918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14139.925918][ T7704] netlink_rcv_skb+0x130/0x360 [14139.925918][ T7704] netlink_unicast+0x449/0x710 [14139.925918][ T7704] netlink_sendmsg+0x723/0xbe0 [14139.925918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14139.925918][ T7704] ___sys_sendmsg+0xee/0x170 [14139.925918][ T7704] __sys_sendmsg+0xcd/0x170 [14139.925918][ T7704] do_syscall_64+0xc6/0x1e0 [14139.925918][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14139.925918][ T7704] [14150.036839][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14150.037364][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14150.037364][ T7704] netdev_get_by_index+0x5e/0x80 [14150.037364][ T7704] fib6_nh_init+0x3d8/0x15b0 [14150.037364][ T7704] ip6_route_info_create+0xf18/0x17d0 [14150.037364][ T7704] ip6_route_add+0x1c/0x140 [14150.037364][ T7704] addrconf_prefix_route+0x2a6/0x430 [14150.037364][ T7704] inet6_addr_add+0x4f8/0xa40 [14150.037364][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14150.037364][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14150.037364][ T7704] netlink_rcv_skb+0x130/0x360 [14150.037364][ T7704] netlink_unicast+0x449/0x710 [14150.037364][ T7704] netlink_sendmsg+0x723/0xbe0 [14150.037364][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14150.037364][ T7704] ___sys_sendmsg+0xee/0x170 [14150.037364][ T7704] __sys_sendmsg+0xcd/0x170 [14150.037364][ T7704] do_syscall_64+0xc6/0x1e0 [14150.037364][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14150.037364][ T7704] [14150.039599][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14150.039599][ T7704] netdev_get_by_index+0x5e/0x80 [14150.039599][ T7704] fib6_nh_init+0x3d8/0x15b0 [14150.039599][ T7704] ip6_route_info_create+0xf18/0x17d0 [14150.039599][ T7704] addrconf_f6i_alloc+0x315/0x560 [14150.039599][ T7704] ipv6_add_addr+0x411/0x2000 [14150.039599][ T7704] inet6_addr_add+0x30e/0xa40 [14150.039599][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14150.039599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14150.039599][ T7704] netlink_rcv_skb+0x130/0x360 [14150.039599][ T7704] netlink_unicast+0x449/0x710 [14150.039599][ T7704] netlink_sendmsg+0x723/0xbe0 [14150.039599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14150.039599][ T7704] ___sys_sendmsg+0xee/0x170 [14150.039599][ T7704] __sys_sendmsg+0xcd/0x170 [14150.039599][ T7704] do_syscall_64+0xc6/0x1e0 [14150.039599][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14150.039599][ T7704] [14150.041817][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14150.041817][ T7704] netdev_get_by_index+0x5e/0x80 [14150.041817][ T7704] fib6_nh_init+0x3d8/0x15b0 [14150.041817][ T7704] ip6_route_info_create+0xf18/0x17d0 [14150.041817][ T7704] ip6_route_add+0x1c/0x140 [14150.041817][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14150.041817][ T7704] addrconf_add_dev+0xe2/0x170 [14150.041817][ T7704] inet6_addr_add+0x12f/0xa40 [14150.041817][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14150.041817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14150.041817][ T7704] netlink_rcv_skb+0x130/0x360 [14150.041817][ T7704] netlink_unicast+0x449/0x710 [14150.041817][ T7704] netlink_sendmsg+0x723/0xbe0 [14150.041817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14150.041817][ T7704] ___sys_sendmsg+0xee/0x170 [14150.041817][ T7704] __sys_sendmsg+0xcd/0x170 [14150.041817][ T7704] do_syscall_64+0xc6/0x1e0 [14150.041817][ T7704] [14150.044016][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14150.044016][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14150.044016][ T7704] ipv6_find_idev+0x102/0x170 [14150.044016][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14150.044016][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14150.044016][ T7704] netlink_rcv_skb+0x130/0x360 [14150.044016][ T7704] netlink_unicast+0x449/0x710 [14150.044016][ T7704] netlink_sendmsg+0x723/0xbe0 [14150.044016][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14150.044016][ T7704] ___sys_sendmsg+0xee/0x170 [14150.044016][ T7704] __sys_sendmsg+0xcd/0x170 [14150.044016][ T7704] do_syscall_64+0xc6/0x1e0 [14150.044016][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14150.044016][ T7704] [14150.045781][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14150.045781][ T7704] neigh_parms_alloc+0x1e5/0x510 [14150.045781][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14150.045781][ T7704] ipv6_find_idev+0x102/0x170 [14150.045781][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14150.045781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14150.045781][ T7704] netlink_rcv_skb+0x130/0x360 [14150.045781][ T7704] netlink_unicast+0x449/0x710 [14150.045781][ T7704] netlink_sendmsg+0x723/0xbe0 [14150.045781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14150.045781][ T7704] ___sys_sendmsg+0xee/0x170 [14150.045781][ T7704] __sys_sendmsg+0xcd/0x170 [14150.045781][ T7704] do_syscall_64+0xc6/0x1e0 [14150.045781][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14150.045781][ T7704] [14160.188854][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14160.189328][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14160.189328][ T7704] netdev_get_by_index+0x5e/0x80 [14160.189328][ T7704] fib6_nh_init+0x3d8/0x15b0 [14160.189328][ T7704] ip6_route_info_create+0xf18/0x17d0 [14160.189328][ T7704] ip6_route_add+0x1c/0x140 [14160.189328][ T7704] addrconf_prefix_route+0x2a6/0x430 [14160.189328][ T7704] inet6_addr_add+0x4f8/0xa40 [14160.189328][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14160.189328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14160.189328][ T7704] netlink_rcv_skb+0x130/0x360 [14160.189328][ T7704] netlink_unicast+0x449/0x710 [14160.189328][ T7704] netlink_sendmsg+0x723/0xbe0 [14160.189328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14160.189328][ T7704] ___sys_sendmsg+0xee/0x170 [14160.189328][ T7704] __sys_sendmsg+0xcd/0x170 [14160.189328][ T7704] do_syscall_64+0xc6/0x1e0 [14160.189328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14160.189328][ T7704] [14160.191628][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14160.191628][ T7704] netdev_get_by_index+0x5e/0x80 [14160.191628][ T7704] fib6_nh_init+0x3d8/0x15b0 [14160.191628][ T7704] ip6_route_info_create+0xf18/0x17d0 [14160.191628][ T7704] addrconf_f6i_alloc+0x315/0x560 [14160.191628][ T7704] ipv6_add_addr+0x411/0x2000 [14160.191628][ T7704] inet6_addr_add+0x30e/0xa40 [14160.191628][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14160.191628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14160.191628][ T7704] netlink_rcv_skb+0x130/0x360 [14160.191628][ T7704] netlink_unicast+0x449/0x710 [14160.191628][ T7704] netlink_sendmsg+0x723/0xbe0 [14160.191628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14160.191628][ T7704] ___sys_sendmsg+0xee/0x170 [14160.191628][ T7704] __sys_sendmsg+0xcd/0x170 [14160.191628][ T7704] do_syscall_64+0xc6/0x1e0 [14160.191628][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14160.191628][ T7704] [14160.193897][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14160.193897][ T7704] netdev_get_by_index+0x5e/0x80 [14160.193897][ T7704] fib6_nh_init+0x3d8/0x15b0 [14160.193897][ T7704] ip6_route_info_create+0xf18/0x17d0 [14160.193897][ T7704] ip6_route_add+0x1c/0x140 [14160.193897][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14160.193897][ T7704] addrconf_add_dev+0xe2/0x170 [14160.193897][ T7704] inet6_addr_add+0x12f/0xa40 [14160.193897][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14160.193897][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14160.193897][ T7704] netlink_rcv_skb+0x130/0x360 [14160.193897][ T7704] netlink_unicast+0x449/0x710 [14160.193897][ T7704] netlink_sendmsg+0x723/0xbe0 [14160.193897][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14160.193897][ T7704] ___sys_sendmsg+0xee/0x170 [14160.193897][ T7704] __sys_sendmsg+0xcd/0x170 [14160.193897][ T7704] do_syscall_64+0xc6/0x1e0 [14160.193897][ T7704] [14160.196660][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14160.196660][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14160.196660][ T7704] ipv6_find_idev+0x102/0x170 [14160.196660][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14160.196660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14160.196660][ T7704] netlink_rcv_skb+0x130/0x360 [14160.196660][ T7704] netlink_unicast+0x449/0x710 [14160.196660][ T7704] netlink_sendmsg+0x723/0xbe0 [14160.196660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14160.196660][ T7704] ___sys_sendmsg+0xee/0x170 [14160.196660][ T7704] __sys_sendmsg+0xcd/0x170 [14160.196660][ T7704] do_syscall_64+0xc6/0x1e0 [14160.196660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14160.196660][ T7704] [14160.198359][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14160.198359][ T7704] neigh_parms_alloc+0x1e5/0x510 [14160.198359][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14160.198359][ T7704] ipv6_find_idev+0x102/0x170 [14160.198359][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14160.198359][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14160.198359][ T7704] netlink_rcv_skb+0x130/0x360 [14160.198359][ T7704] netlink_unicast+0x449/0x710 [14160.198359][ T7704] netlink_sendmsg+0x723/0xbe0 [14160.198359][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14160.198359][ T7704] ___sys_sendmsg+0xee/0x170 [14160.198359][ T7704] __sys_sendmsg+0xcd/0x170 [14160.198359][ T7704] do_syscall_64+0xc6/0x1e0 [14160.198359][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14160.198359][ T7704] [14170.348878][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14170.349318][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14170.349318][ T7704] netdev_get_by_index+0x5e/0x80 [14170.349318][ T7704] fib6_nh_init+0x3d8/0x15b0 [14170.349318][ T7704] ip6_route_info_create+0xf18/0x17d0 [14170.349318][ T7704] ip6_route_add+0x1c/0x140 [14170.349318][ T7704] addrconf_prefix_route+0x2a6/0x430 [14170.349318][ T7704] inet6_addr_add+0x4f8/0xa40 [14170.349318][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14170.349318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14170.349318][ T7704] netlink_rcv_skb+0x130/0x360 [14170.349318][ T7704] netlink_unicast+0x449/0x710 [14170.349318][ T7704] netlink_sendmsg+0x723/0xbe0 [14170.349318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14170.349318][ T7704] ___sys_sendmsg+0xee/0x170 [14170.349318][ T7704] __sys_sendmsg+0xcd/0x170 [14170.349318][ T7704] do_syscall_64+0xc6/0x1e0 [14170.349318][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14170.349318][ T7704] [14170.351982][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14170.351982][ T7704] netdev_get_by_index+0x5e/0x80 [14170.351982][ T7704] fib6_nh_init+0x3d8/0x15b0 [14170.351982][ T7704] ip6_route_info_create+0xf18/0x17d0 [14170.351982][ T7704] addrconf_f6i_alloc+0x315/0x560 [14170.351982][ T7704] ipv6_add_addr+0x411/0x2000 [14170.351982][ T7704] inet6_addr_add+0x30e/0xa40 [14170.351982][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14170.351982][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14170.351982][ T7704] netlink_rcv_skb+0x130/0x360 [14170.351982][ T7704] netlink_unicast+0x449/0x710 [14170.351982][ T7704] netlink_sendmsg+0x723/0xbe0 [14170.351982][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14170.351982][ T7704] ___sys_sendmsg+0xee/0x170 [14170.351982][ T7704] __sys_sendmsg+0xcd/0x170 [14170.351982][ T7704] do_syscall_64+0xc6/0x1e0 [14170.351982][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14170.351982][ T7704] [14170.354192][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14170.354192][ T7704] netdev_get_by_index+0x5e/0x80 [14170.354192][ T7704] fib6_nh_init+0x3d8/0x15b0 [14170.354192][ T7704] ip6_route_info_create+0xf18/0x17d0 [14170.354192][ T7704] ip6_route_add+0x1c/0x140 [14170.354192][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14170.354192][ T7704] addrconf_add_dev+0xe2/0x170 [14170.354192][ T7704] inet6_addr_add+0x12f/0xa40 [14170.354192][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14170.354192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14170.354192][ T7704] netlink_rcv_skb+0x130/0x360 [14170.354192][ T7704] netlink_unicast+0x449/0x710 [14170.354192][ T7704] netlink_sendmsg+0x723/0xbe0 [14170.354192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14170.354192][ T7704] ___sys_sendmsg+0xee/0x170 [14170.354192][ T7704] __sys_sendmsg+0xcd/0x170 [14170.354192][ T7704] do_syscall_64+0xc6/0x1e0 [14170.354192][ T7704] [14170.356375][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14170.356375][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14170.356375][ T7704] ipv6_find_idev+0x102/0x170 [14170.356375][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14170.356375][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14170.356375][ T7704] netlink_rcv_skb+0x130/0x360 [14170.356375][ T7704] netlink_unicast+0x449/0x710 [14170.356375][ T7704] netlink_sendmsg+0x723/0xbe0 [14170.356375][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14170.356375][ T7704] ___sys_sendmsg+0xee/0x170 [14170.356375][ T7704] __sys_sendmsg+0xcd/0x170 [14170.356375][ T7704] do_syscall_64+0xc6/0x1e0 [14170.356375][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14170.356375][ T7704] [14170.358071][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14170.358071][ T7704] neigh_parms_alloc+0x1e5/0x510 [14170.358071][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14170.358071][ T7704] ipv6_find_idev+0x102/0x170 [14170.358071][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14170.358071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14170.358071][ T7704] netlink_rcv_skb+0x130/0x360 [14170.358071][ T7704] netlink_unicast+0x449/0x710 [14170.358071][ T7704] netlink_sendmsg+0x723/0xbe0 [14170.358071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14170.358071][ T7704] ___sys_sendmsg+0xee/0x170 [14170.358071][ T7704] __sys_sendmsg+0xcd/0x170 [14170.358071][ T7704] do_syscall_64+0xc6/0x1e0 [14170.358071][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14170.358071][ T7704] [14180.500747][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14180.501254][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14180.501254][ T7704] netdev_get_by_index+0x5e/0x80 [14180.501254][ T7704] fib6_nh_init+0x3d8/0x15b0 [14180.501254][ T7704] ip6_route_info_create+0xf18/0x17d0 [14180.501254][ T7704] ip6_route_add+0x1c/0x140 [14180.501254][ T7704] addrconf_prefix_route+0x2a6/0x430 [14180.501254][ T7704] inet6_addr_add+0x4f8/0xa40 [14180.501254][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14180.501254][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14180.501254][ T7704] netlink_rcv_skb+0x130/0x360 [14180.501254][ T7704] netlink_unicast+0x449/0x710 [14180.501254][ T7704] netlink_sendmsg+0x723/0xbe0 [14180.501254][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14180.501254][ T7704] ___sys_sendmsg+0xee/0x170 [14180.501254][ T7704] __sys_sendmsg+0xcd/0x170 [14180.501254][ T7704] do_syscall_64+0xc6/0x1e0 [14180.501254][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14180.501254][ T7704] [14180.503502][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14180.503502][ T7704] netdev_get_by_index+0x5e/0x80 [14180.503502][ T7704] fib6_nh_init+0x3d8/0x15b0 [14180.503502][ T7704] ip6_route_info_create+0xf18/0x17d0 [14180.503502][ T7704] addrconf_f6i_alloc+0x315/0x560 [14180.503502][ T7704] ipv6_add_addr+0x411/0x2000 [14180.503502][ T7704] inet6_addr_add+0x30e/0xa40 [14180.503502][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14180.503502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14180.503502][ T7704] netlink_rcv_skb+0x130/0x360 [14180.503502][ T7704] netlink_unicast+0x449/0x710 [14180.503502][ T7704] netlink_sendmsg+0x723/0xbe0 [14180.503502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14180.503502][ T7704] ___sys_sendmsg+0xee/0x170 [14180.503502][ T7704] __sys_sendmsg+0xcd/0x170 [14180.503502][ T7704] do_syscall_64+0xc6/0x1e0 [14180.503502][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14180.503502][ T7704] [14180.505724][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14180.505724][ T7704] netdev_get_by_index+0x5e/0x80 [14180.505724][ T7704] fib6_nh_init+0x3d8/0x15b0 [14180.505724][ T7704] ip6_route_info_create+0xf18/0x17d0 [14180.505724][ T7704] ip6_route_add+0x1c/0x140 [14180.505724][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14180.505724][ T7704] addrconf_add_dev+0xe2/0x170 [14180.505724][ T7704] inet6_addr_add+0x12f/0xa40 [14180.505724][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14180.505724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14180.505724][ T7704] netlink_rcv_skb+0x130/0x360 [14180.505724][ T7704] netlink_unicast+0x449/0x710 [14180.505724][ T7704] netlink_sendmsg+0x723/0xbe0 [14180.505724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14180.505724][ T7704] ___sys_sendmsg+0xee/0x170 [14180.505724][ T7704] __sys_sendmsg+0xcd/0x170 [14180.505724][ T7704] do_syscall_64+0xc6/0x1e0 [14180.505724][ T7704] [14180.507885][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14180.507885][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14180.507885][ T7704] ipv6_find_idev+0x102/0x170 [14180.507885][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14180.507885][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14180.507885][ T7704] netlink_rcv_skb+0x130/0x360 [14180.507885][ T7704] netlink_unicast+0x449/0x710 [14180.507885][ T7704] netlink_sendmsg+0x723/0xbe0 [14180.507885][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14180.507885][ T7704] ___sys_sendmsg+0xee/0x170 [14180.507885][ T7704] __sys_sendmsg+0xcd/0x170 [14180.507885][ T7704] do_syscall_64+0xc6/0x1e0 [14180.507885][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14180.507885][ T7704] [14180.509581][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14180.509581][ T7704] neigh_parms_alloc+0x1e5/0x510 [14180.509581][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14180.509581][ T7704] ipv6_find_idev+0x102/0x170 [14180.509581][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14180.509581][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14180.509581][ T7704] netlink_rcv_skb+0x130/0x360 [14180.509581][ T7704] netlink_unicast+0x449/0x710 [14180.509581][ T7704] netlink_sendmsg+0x723/0xbe0 [14180.509581][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14180.509581][ T7704] ___sys_sendmsg+0xee/0x170 [14180.509581][ T7704] __sys_sendmsg+0xcd/0x170 [14180.509581][ T7704] do_syscall_64+0xc6/0x1e0 [14180.509581][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14180.509581][ T7704] [14190.748874][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14190.749349][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14190.749349][ T7704] netdev_get_by_index+0x5e/0x80 [14190.749349][ T7704] fib6_nh_init+0x3d8/0x15b0 [14190.749349][ T7704] ip6_route_info_create+0xf18/0x17d0 [14190.749349][ T7704] ip6_route_add+0x1c/0x140 [14190.749349][ T7704] addrconf_prefix_route+0x2a6/0x430 [14190.749349][ T7704] inet6_addr_add+0x4f8/0xa40 [14190.749349][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14190.749349][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14190.749349][ T7704] netlink_rcv_skb+0x130/0x360 [14190.749349][ T7704] netlink_unicast+0x449/0x710 [14190.749349][ T7704] netlink_sendmsg+0x723/0xbe0 [14190.749349][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14190.749349][ T7704] ___sys_sendmsg+0xee/0x170 [14190.749349][ T7704] __sys_sendmsg+0xcd/0x170 [14190.749349][ T7704] do_syscall_64+0xc6/0x1e0 [14190.749349][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14190.749349][ T7704] [14190.751573][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14190.751573][ T7704] netdev_get_by_index+0x5e/0x80 [14190.751573][ T7704] fib6_nh_init+0x3d8/0x15b0 [14190.751573][ T7704] ip6_route_info_create+0xf18/0x17d0 [14190.751573][ T7704] addrconf_f6i_alloc+0x315/0x560 [14190.751573][ T7704] ipv6_add_addr+0x411/0x2000 [14190.751573][ T7704] inet6_addr_add+0x30e/0xa40 [14190.751573][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14190.751573][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14190.751573][ T7704] netlink_rcv_skb+0x130/0x360 [14190.751573][ T7704] netlink_unicast+0x449/0x710 [14190.751573][ T7704] netlink_sendmsg+0x723/0xbe0 [14190.751573][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14190.751573][ T7704] ___sys_sendmsg+0xee/0x170 [14190.751573][ T7704] __sys_sendmsg+0xcd/0x170 [14190.751573][ T7704] do_syscall_64+0xc6/0x1e0 [14190.751573][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14190.751573][ T7704] [14190.753811][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14190.753811][ T7704] netdev_get_by_index+0x5e/0x80 [14190.753811][ T7704] fib6_nh_init+0x3d8/0x15b0 [14190.753811][ T7704] ip6_route_info_create+0xf18/0x17d0 [14190.753811][ T7704] ip6_route_add+0x1c/0x140 [14190.753811][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14190.753811][ T7704] addrconf_add_dev+0xe2/0x170 [14190.753811][ T7704] inet6_addr_add+0x12f/0xa40 [14190.753811][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14190.753811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14190.753811][ T7704] netlink_rcv_skb+0x130/0x360 [14190.753811][ T7704] netlink_unicast+0x449/0x710 [14190.753811][ T7704] netlink_sendmsg+0x723/0xbe0 [14190.753811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14190.753811][ T7704] ___sys_sendmsg+0xee/0x170 [14190.753811][ T7704] __sys_sendmsg+0xcd/0x170 [14190.753811][ T7704] do_syscall_64+0xc6/0x1e0 [14190.753811][ T7704] [14190.756044][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14190.756044][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14190.756044][ T7704] ipv6_find_idev+0x102/0x170 [14190.756044][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14190.756044][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14190.756044][ T7704] netlink_rcv_skb+0x130/0x360 [14190.756044][ T7704] netlink_unicast+0x449/0x710 [14190.756044][ T7704] netlink_sendmsg+0x723/0xbe0 [14190.756044][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14190.756044][ T7704] ___sys_sendmsg+0xee/0x170 [14190.756044][ T7704] __sys_sendmsg+0xcd/0x170 [14190.756044][ T7704] do_syscall_64+0xc6/0x1e0 [14190.756044][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14190.756044][ T7704] [14190.757788][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14190.757788][ T7704] neigh_parms_alloc+0x1e5/0x510 [14190.757788][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14190.757788][ T7704] ipv6_find_idev+0x102/0x170 [14190.757788][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14190.757788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14190.757788][ T7704] netlink_rcv_skb+0x130/0x360 [14190.757788][ T7704] netlink_unicast+0x449/0x710 [14190.757788][ T7704] netlink_sendmsg+0x723/0xbe0 [14190.757788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14190.757788][ T7704] ___sys_sendmsg+0xee/0x170 [14190.757788][ T7704] __sys_sendmsg+0xcd/0x170 [14190.757788][ T7704] do_syscall_64+0xc6/0x1e0 [14190.757788][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14190.757788][ T7704] [14200.820806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14200.821410][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14200.821410][ T7704] netdev_get_by_index+0x5e/0x80 [14200.821410][ T7704] fib6_nh_init+0x3d8/0x15b0 [14200.821410][ T7704] ip6_route_info_create+0xf18/0x17d0 [14200.821410][ T7704] ip6_route_add+0x1c/0x140 [14200.821410][ T7704] addrconf_prefix_route+0x2a6/0x430 [14200.821410][ T7704] inet6_addr_add+0x4f8/0xa40 [14200.821410][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14200.821410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14200.821410][ T7704] netlink_rcv_skb+0x130/0x360 [14200.821410][ T7704] netlink_unicast+0x449/0x710 [14200.821410][ T7704] netlink_sendmsg+0x723/0xbe0 [14200.821410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14200.821410][ T7704] ___sys_sendmsg+0xee/0x170 [14200.821410][ T7704] __sys_sendmsg+0xcd/0x170 [14200.821410][ T7704] do_syscall_64+0xc6/0x1e0 [14200.821410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14200.821410][ T7704] [14200.823662][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14200.823662][ T7704] netdev_get_by_index+0x5e/0x80 [14200.823662][ T7704] fib6_nh_init+0x3d8/0x15b0 [14200.823662][ T7704] ip6_route_info_create+0xf18/0x17d0 [14200.823662][ T7704] addrconf_f6i_alloc+0x315/0x560 [14200.823662][ T7704] ipv6_add_addr+0x411/0x2000 [14200.823662][ T7704] inet6_addr_add+0x30e/0xa40 [14200.823662][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14200.823662][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14200.823662][ T7704] netlink_rcv_skb+0x130/0x360 [14200.823662][ T7704] netlink_unicast+0x449/0x710 [14200.823662][ T7704] netlink_sendmsg+0x723/0xbe0 [14200.823662][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14200.823662][ T7704] ___sys_sendmsg+0xee/0x170 [14200.823662][ T7704] __sys_sendmsg+0xcd/0x170 [14200.823662][ T7704] do_syscall_64+0xc6/0x1e0 [14200.823662][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14200.823662][ T7704] [14200.825900][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14200.825900][ T7704] netdev_get_by_index+0x5e/0x80 [14200.825900][ T7704] fib6_nh_init+0x3d8/0x15b0 [14200.825900][ T7704] ip6_route_info_create+0xf18/0x17d0 [14200.825900][ T7704] ip6_route_add+0x1c/0x140 [14200.825900][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14200.825900][ T7704] addrconf_add_dev+0xe2/0x170 [14200.825900][ T7704] inet6_addr_add+0x12f/0xa40 [14200.825900][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14200.825900][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14200.825900][ T7704] netlink_rcv_skb+0x130/0x360 [14200.825900][ T7704] netlink_unicast+0x449/0x710 [14200.825900][ T7704] netlink_sendmsg+0x723/0xbe0 [14200.825900][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14200.825900][ T7704] ___sys_sendmsg+0xee/0x170 [14200.825900][ T7704] __sys_sendmsg+0xcd/0x170 [14200.825900][ T7704] do_syscall_64+0xc6/0x1e0 [14200.825900][ T7704] [14200.828087][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14200.828087][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14200.828087][ T7704] ipv6_find_idev+0x102/0x170 [14200.828087][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14200.828087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14200.828087][ T7704] netlink_rcv_skb+0x130/0x360 [14200.828087][ T7704] netlink_unicast+0x449/0x710 [14200.828087][ T7704] netlink_sendmsg+0x723/0xbe0 [14200.828087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14200.828087][ T7704] ___sys_sendmsg+0xee/0x170 [14200.828087][ T7704] __sys_sendmsg+0xcd/0x170 [14200.828087][ T7704] do_syscall_64+0xc6/0x1e0 [14200.828087][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14200.828087][ T7704] [14200.829800][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14200.829800][ T7704] neigh_parms_alloc+0x1e5/0x510 [14200.829800][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14200.829800][ T7704] ipv6_find_idev+0x102/0x170 [14200.829800][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14200.829800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14200.829800][ T7704] netlink_rcv_skb+0x130/0x360 [14200.829800][ T7704] netlink_unicast+0x449/0x710 [14200.829800][ T7704] netlink_sendmsg+0x723/0xbe0 [14200.829800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14200.829800][ T7704] ___sys_sendmsg+0xee/0x170 [14200.829800][ T7704] __sys_sendmsg+0xcd/0x170 [14200.829800][ T7704] do_syscall_64+0xc6/0x1e0 [14200.829800][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14200.829800][ T7704] [14210.964823][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14210.965330][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14210.965330][ T7704] netdev_get_by_index+0x5e/0x80 [14210.965330][ T7704] fib6_nh_init+0x3d8/0x15b0 [14210.965330][ T7704] ip6_route_info_create+0xf18/0x17d0 [14210.965330][ T7704] ip6_route_add+0x1c/0x140 [14210.965330][ T7704] addrconf_prefix_route+0x2a6/0x430 [14210.965330][ T7704] inet6_addr_add+0x4f8/0xa40 [14210.965330][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14210.965330][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14210.965330][ T7704] netlink_rcv_skb+0x130/0x360 [14210.965330][ T7704] netlink_unicast+0x449/0x710 [14210.965330][ T7704] netlink_sendmsg+0x723/0xbe0 [14210.965330][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14210.965330][ T7704] ___sys_sendmsg+0xee/0x170 [14210.965330][ T7704] __sys_sendmsg+0xcd/0x170 [14210.965330][ T7704] do_syscall_64+0xc6/0x1e0 [14210.965330][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14210.965330][ T7704] [14210.967578][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14210.967578][ T7704] netdev_get_by_index+0x5e/0x80 [14210.967578][ T7704] fib6_nh_init+0x3d8/0x15b0 [14210.967578][ T7704] ip6_route_info_create+0xf18/0x17d0 [14210.967578][ T7704] addrconf_f6i_alloc+0x315/0x560 [14210.967578][ T7704] ipv6_add_addr+0x411/0x2000 [14210.967578][ T7704] inet6_addr_add+0x30e/0xa40 [14210.967578][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14210.967578][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14210.967578][ T7704] netlink_rcv_skb+0x130/0x360 [14210.967578][ T7704] netlink_unicast+0x449/0x710 [14210.967578][ T7704] netlink_sendmsg+0x723/0xbe0 [14210.967578][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14210.967578][ T7704] ___sys_sendmsg+0xee/0x170 [14210.967578][ T7704] __sys_sendmsg+0xcd/0x170 [14210.967578][ T7704] do_syscall_64+0xc6/0x1e0 [14210.967578][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14210.967578][ T7704] [14210.969845][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14210.969845][ T7704] netdev_get_by_index+0x5e/0x80 [14210.969845][ T7704] fib6_nh_init+0x3d8/0x15b0 [14210.969845][ T7704] ip6_route_info_create+0xf18/0x17d0 [14210.969845][ T7704] ip6_route_add+0x1c/0x140 [14210.969845][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14210.969845][ T7704] addrconf_add_dev+0xe2/0x170 [14210.969845][ T7704] inet6_addr_add+0x12f/0xa40 [14210.969845][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14210.969845][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14210.969845][ T7704] netlink_rcv_skb+0x130/0x360 [14210.969845][ T7704] netlink_unicast+0x449/0x710 [14210.969845][ T7704] netlink_sendmsg+0x723/0xbe0 [14210.969845][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14210.969845][ T7704] ___sys_sendmsg+0xee/0x170 [14210.969845][ T7704] __sys_sendmsg+0xcd/0x170 [14210.969845][ T7704] do_syscall_64+0xc6/0x1e0 [14210.969845][ T7704] [14210.972032][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14210.972032][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14210.972032][ T7704] ipv6_find_idev+0x102/0x170 [14210.972032][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14210.972032][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14210.972032][ T7704] netlink_rcv_skb+0x130/0x360 [14210.972032][ T7704] netlink_unicast+0x449/0x710 [14210.972032][ T7704] netlink_sendmsg+0x723/0xbe0 [14210.972032][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14210.972032][ T7704] ___sys_sendmsg+0xee/0x170 [14210.972032][ T7704] __sys_sendmsg+0xcd/0x170 [14210.972032][ T7704] do_syscall_64+0xc6/0x1e0 [14210.972032][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14210.972032][ T7704] [14210.973738][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14210.973738][ T7704] neigh_parms_alloc+0x1e5/0x510 [14210.973738][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14210.973738][ T7704] ipv6_find_idev+0x102/0x170 [14210.973738][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14210.973738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14210.973738][ T7704] netlink_rcv_skb+0x130/0x360 [14210.973738][ T7704] netlink_unicast+0x449/0x710 [14210.973738][ T7704] netlink_sendmsg+0x723/0xbe0 [14210.973738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14210.973738][ T7704] ___sys_sendmsg+0xee/0x170 [14210.973738][ T7704] __sys_sendmsg+0xcd/0x170 [14210.973738][ T7704] do_syscall_64+0xc6/0x1e0 [14210.973738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14210.973738][ T7704] [14221.108875][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14221.109419][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14221.109419][ T7704] netdev_get_by_index+0x5e/0x80 [14221.109419][ T7704] fib6_nh_init+0x3d8/0x15b0 [14221.109419][ T7704] ip6_route_info_create+0xf18/0x17d0 [14221.109419][ T7704] ip6_route_add+0x1c/0x140 [14221.109419][ T7704] addrconf_prefix_route+0x2a6/0x430 [14221.109419][ T7704] inet6_addr_add+0x4f8/0xa40 [14221.109419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14221.109419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14221.109419][ T7704] netlink_rcv_skb+0x130/0x360 [14221.109419][ T7704] netlink_unicast+0x449/0x710 [14221.109419][ T7704] netlink_sendmsg+0x723/0xbe0 [14221.109419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14221.109419][ T7704] ___sys_sendmsg+0xee/0x170 [14221.109419][ T7704] __sys_sendmsg+0xcd/0x170 [14221.109419][ T7704] do_syscall_64+0xc6/0x1e0 [14221.109419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14221.109419][ T7704] [14221.111661][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14221.111661][ T7704] netdev_get_by_index+0x5e/0x80 [14221.111661][ T7704] fib6_nh_init+0x3d8/0x15b0 [14221.111661][ T7704] ip6_route_info_create+0xf18/0x17d0 [14221.111661][ T7704] addrconf_f6i_alloc+0x315/0x560 [14221.111661][ T7704] ipv6_add_addr+0x411/0x2000 [14221.111661][ T7704] inet6_addr_add+0x30e/0xa40 [14221.111661][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14221.111661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14221.111661][ T7704] netlink_rcv_skb+0x130/0x360 [14221.111661][ T7704] netlink_unicast+0x449/0x710 [14221.111661][ T7704] netlink_sendmsg+0x723/0xbe0 [14221.111661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14221.111661][ T7704] ___sys_sendmsg+0xee/0x170 [14221.111661][ T7704] __sys_sendmsg+0xcd/0x170 [14221.111661][ T7704] do_syscall_64+0xc6/0x1e0 [14221.111661][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14221.111661][ T7704] [14221.113876][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14221.113876][ T7704] netdev_get_by_index+0x5e/0x80 [14221.113876][ T7704] fib6_nh_init+0x3d8/0x15b0 [14221.113876][ T7704] ip6_route_info_create+0xf18/0x17d0 [14221.113876][ T7704] ip6_route_add+0x1c/0x140 [14221.113876][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14221.113876][ T7704] addrconf_add_dev+0xe2/0x170 [14221.113876][ T7704] inet6_addr_add+0x12f/0xa40 [14221.113876][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14221.113876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14221.113876][ T7704] netlink_rcv_skb+0x130/0x360 [14221.113876][ T7704] netlink_unicast+0x449/0x710 [14221.113876][ T7704] netlink_sendmsg+0x723/0xbe0 [14221.113876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14221.113876][ T7704] ___sys_sendmsg+0xee/0x170 [14221.113876][ T7704] __sys_sendmsg+0xcd/0x170 [14221.113876][ T7704] do_syscall_64+0xc6/0x1e0 [14221.113876][ T7704] [14221.116074][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14221.116074][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14221.116074][ T7704] ipv6_find_idev+0x102/0x170 [14221.116074][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14221.116074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14221.116074][ T7704] netlink_rcv_skb+0x130/0x360 [14221.116074][ T7704] netlink_unicast+0x449/0x710 [14221.116074][ T7704] netlink_sendmsg+0x723/0xbe0 [14221.116074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14221.116074][ T7704] ___sys_sendmsg+0xee/0x170 [14221.116074][ T7704] __sys_sendmsg+0xcd/0x170 [14221.116074][ T7704] do_syscall_64+0xc6/0x1e0 [14221.116074][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14221.116074][ T7704] [14221.117773][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14221.117773][ T7704] neigh_parms_alloc+0x1e5/0x510 [14221.117773][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14221.117773][ T7704] ipv6_find_idev+0x102/0x170 [14221.117773][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14221.117773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14221.117773][ T7704] netlink_rcv_skb+0x130/0x360 [14221.117773][ T7704] netlink_unicast+0x449/0x710 [14221.117773][ T7704] netlink_sendmsg+0x723/0xbe0 [14221.117773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14221.117773][ T7704] ___sys_sendmsg+0xee/0x170 [14221.117773][ T7704] __sys_sendmsg+0xcd/0x170 [14221.117773][ T7704] do_syscall_64+0xc6/0x1e0 [14221.117773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14221.117773][ T7704] [14231.156877][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14231.157396][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14231.157396][ T7704] netdev_get_by_index+0x5e/0x80 [14231.157396][ T7704] fib6_nh_init+0x3d8/0x15b0 [14231.157396][ T7704] ip6_route_info_create+0xf18/0x17d0 [14231.157396][ T7704] ip6_route_add+0x1c/0x140 [14231.157396][ T7704] addrconf_prefix_route+0x2a6/0x430 [14231.157396][ T7704] inet6_addr_add+0x4f8/0xa40 [14231.157396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14231.157396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14231.157396][ T7704] netlink_rcv_skb+0x130/0x360 [14231.157396][ T7704] netlink_unicast+0x449/0x710 [14231.157396][ T7704] netlink_sendmsg+0x723/0xbe0 [14231.157396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14231.157396][ T7704] ___sys_sendmsg+0xee/0x170 [14231.157396][ T7704] __sys_sendmsg+0xcd/0x170 [14231.157396][ T7704] do_syscall_64+0xc6/0x1e0 [14231.157396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14231.157396][ T7704] [14231.159623][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14231.159623][ T7704] netdev_get_by_index+0x5e/0x80 [14231.159623][ T7704] fib6_nh_init+0x3d8/0x15b0 [14231.159623][ T7704] ip6_route_info_create+0xf18/0x17d0 [14231.159623][ T7704] addrconf_f6i_alloc+0x315/0x560 [14231.159623][ T7704] ipv6_add_addr+0x411/0x2000 [14231.159623][ T7704] inet6_addr_add+0x30e/0xa40 [14231.159623][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14231.159623][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14231.159623][ T7704] netlink_rcv_skb+0x130/0x360 [14231.159623][ T7704] netlink_unicast+0x449/0x710 [14231.159623][ T7704] netlink_sendmsg+0x723/0xbe0 [14231.159623][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14231.159623][ T7704] ___sys_sendmsg+0xee/0x170 [14231.159623][ T7704] __sys_sendmsg+0xcd/0x170 [14231.159623][ T7704] do_syscall_64+0xc6/0x1e0 [14231.159623][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14231.159623][ T7704] [14231.161843][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14231.161843][ T7704] netdev_get_by_index+0x5e/0x80 [14231.161843][ T7704] fib6_nh_init+0x3d8/0x15b0 [14231.161843][ T7704] ip6_route_info_create+0xf18/0x17d0 [14231.161843][ T7704] ip6_route_add+0x1c/0x140 [14231.161843][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14231.161843][ T7704] addrconf_add_dev+0xe2/0x170 [14231.161843][ T7704] inet6_addr_add+0x12f/0xa40 [14231.161843][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14231.161843][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14231.161843][ T7704] netlink_rcv_skb+0x130/0x360 [14231.161843][ T7704] netlink_unicast+0x449/0x710 [14231.161843][ T7704] netlink_sendmsg+0x723/0xbe0 [14231.161843][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14231.161843][ T7704] ___sys_sendmsg+0xee/0x170 [14231.161843][ T7704] __sys_sendmsg+0xcd/0x170 [14231.161843][ T7704] do_syscall_64+0xc6/0x1e0 [14231.161843][ T7704] [14231.164047][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14231.164047][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14231.164047][ T7704] ipv6_find_idev+0x102/0x170 [14231.164047][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14231.164047][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14231.164047][ T7704] netlink_rcv_skb+0x130/0x360 [14231.164047][ T7704] netlink_unicast+0x449/0x710 [14231.164047][ T7704] netlink_sendmsg+0x723/0xbe0 [14231.164047][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14231.164047][ T7704] ___sys_sendmsg+0xee/0x170 [14231.164047][ T7704] __sys_sendmsg+0xcd/0x170 [14231.164047][ T7704] do_syscall_64+0xc6/0x1e0 [14231.164047][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14231.164047][ T7704] [14231.165763][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14231.165763][ T7704] neigh_parms_alloc+0x1e5/0x510 [14231.165763][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14231.165763][ T7704] ipv6_find_idev+0x102/0x170 [14231.165763][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14231.165763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14231.165763][ T7704] netlink_rcv_skb+0x130/0x360 [14231.165763][ T7704] netlink_unicast+0x449/0x710 [14231.165763][ T7704] netlink_sendmsg+0x723/0xbe0 [14231.165763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14231.165763][ T7704] ___sys_sendmsg+0xee/0x170 [14231.165763][ T7704] __sys_sendmsg+0xcd/0x170 [14231.165763][ T7704] do_syscall_64+0xc6/0x1e0 [14231.165763][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14231.165763][ T7704] [14241.212880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14241.213428][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14241.213428][ T7704] netdev_get_by_index+0x5e/0x80 [14241.213428][ T7704] fib6_nh_init+0x3d8/0x15b0 [14241.213428][ T7704] ip6_route_info_create+0xf18/0x17d0 [14241.213428][ T7704] ip6_route_add+0x1c/0x140 [14241.213428][ T7704] addrconf_prefix_route+0x2a6/0x430 [14241.213428][ T7704] inet6_addr_add+0x4f8/0xa40 [14241.213428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14241.213428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14241.213428][ T7704] netlink_rcv_skb+0x130/0x360 [14241.213428][ T7704] netlink_unicast+0x449/0x710 [14241.213428][ T7704] netlink_sendmsg+0x723/0xbe0 [14241.213428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14241.213428][ T7704] ___sys_sendmsg+0xee/0x170 [14241.213428][ T7704] __sys_sendmsg+0xcd/0x170 [14241.213428][ T7704] do_syscall_64+0xc6/0x1e0 [14241.213428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14241.213428][ T7704] [14241.215710][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14241.215710][ T7704] netdev_get_by_index+0x5e/0x80 [14241.215710][ T7704] fib6_nh_init+0x3d8/0x15b0 [14241.215710][ T7704] ip6_route_info_create+0xf18/0x17d0 [14241.215710][ T7704] addrconf_f6i_alloc+0x315/0x560 [14241.215710][ T7704] ipv6_add_addr+0x411/0x2000 [14241.215710][ T7704] inet6_addr_add+0x30e/0xa40 [14241.215710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14241.215710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14241.215710][ T7704] netlink_rcv_skb+0x130/0x360 [14241.215710][ T7704] netlink_unicast+0x449/0x710 [14241.215710][ T7704] netlink_sendmsg+0x723/0xbe0 [14241.215710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14241.215710][ T7704] ___sys_sendmsg+0xee/0x170 [14241.215710][ T7704] __sys_sendmsg+0xcd/0x170 [14241.215710][ T7704] do_syscall_64+0xc6/0x1e0 [14241.215710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14241.215710][ T7704] [14241.217949][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14241.217949][ T7704] netdev_get_by_index+0x5e/0x80 [14241.217949][ T7704] fib6_nh_init+0x3d8/0x15b0 [14241.217949][ T7704] ip6_route_info_create+0xf18/0x17d0 [14241.217949][ T7704] ip6_route_add+0x1c/0x140 [14241.217949][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14241.217949][ T7704] addrconf_add_dev+0xe2/0x170 [14241.217949][ T7704] inet6_addr_add+0x12f/0xa40 [14241.217949][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14241.217949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14241.217949][ T7704] netlink_rcv_skb+0x130/0x360 [14241.217949][ T7704] netlink_unicast+0x449/0x710 [14241.217949][ T7704] netlink_sendmsg+0x723/0xbe0 [14241.217949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14241.217949][ T7704] ___sys_sendmsg+0xee/0x170 [14241.217949][ T7704] __sys_sendmsg+0xcd/0x170 [14241.217949][ T7704] do_syscall_64+0xc6/0x1e0 [14241.217949][ T7704] [14241.220149][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14241.220149][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14241.220149][ T7704] ipv6_find_idev+0x102/0x170 [14241.220149][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14241.220149][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14241.220149][ T7704] netlink_rcv_skb+0x130/0x360 [14241.220149][ T7704] netlink_unicast+0x449/0x710 [14241.220149][ T7704] netlink_sendmsg+0x723/0xbe0 [14241.220149][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14241.220149][ T7704] ___sys_sendmsg+0xee/0x170 [14241.220149][ T7704] __sys_sendmsg+0xcd/0x170 [14241.220149][ T7704] do_syscall_64+0xc6/0x1e0 [14241.220149][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14241.220149][ T7704] [14241.221883][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14241.221883][ T7704] neigh_parms_alloc+0x1e5/0x510 [14241.221883][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14241.221883][ T7704] ipv6_find_idev+0x102/0x170 [14241.221883][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14241.221883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14241.221883][ T7704] netlink_rcv_skb+0x130/0x360 [14241.221883][ T7704] netlink_unicast+0x449/0x710 [14241.221883][ T7704] netlink_sendmsg+0x723/0xbe0 [14241.221883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14241.221883][ T7704] ___sys_sendmsg+0xee/0x170 [14241.221883][ T7704] __sys_sendmsg+0xcd/0x170 [14241.221883][ T7704] do_syscall_64+0xc6/0x1e0 [14241.221883][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14241.221883][ T7704] [14251.348733][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14251.349219][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14251.349219][ T7704] netdev_get_by_index+0x5e/0x80 [14251.349219][ T7704] fib6_nh_init+0x3d8/0x15b0 [14251.349219][ T7704] ip6_route_info_create+0xf18/0x17d0 [14251.349219][ T7704] ip6_route_add+0x1c/0x140 [14251.349219][ T7704] addrconf_prefix_route+0x2a6/0x430 [14251.349219][ T7704] inet6_addr_add+0x4f8/0xa40 [14251.349219][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14251.349219][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14251.349219][ T7704] netlink_rcv_skb+0x130/0x360 [14251.349219][ T7704] netlink_unicast+0x449/0x710 [14251.349219][ T7704] netlink_sendmsg+0x723/0xbe0 [14251.349219][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14251.349219][ T7704] ___sys_sendmsg+0xee/0x170 [14251.349219][ T7704] __sys_sendmsg+0xcd/0x170 [14251.349219][ T7704] do_syscall_64+0xc6/0x1e0 [14251.349219][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14251.349219][ T7704] [14251.351473][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14251.351473][ T7704] netdev_get_by_index+0x5e/0x80 [14251.351473][ T7704] fib6_nh_init+0x3d8/0x15b0 [14251.351473][ T7704] ip6_route_info_create+0xf18/0x17d0 [14251.351473][ T7704] addrconf_f6i_alloc+0x315/0x560 [14251.351473][ T7704] ipv6_add_addr+0x411/0x2000 [14251.351473][ T7704] inet6_addr_add+0x30e/0xa40 [14251.351473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14251.351473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14251.351473][ T7704] netlink_rcv_skb+0x130/0x360 [14251.351473][ T7704] netlink_unicast+0x449/0x710 [14251.351473][ T7704] netlink_sendmsg+0x723/0xbe0 [14251.351473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14251.351473][ T7704] ___sys_sendmsg+0xee/0x170 [14251.351473][ T7704] __sys_sendmsg+0xcd/0x170 [14251.351473][ T7704] do_syscall_64+0xc6/0x1e0 [14251.351473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14251.351473][ T7704] [14251.353701][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14251.353701][ T7704] netdev_get_by_index+0x5e/0x80 [14251.353701][ T7704] fib6_nh_init+0x3d8/0x15b0 [14251.353701][ T7704] ip6_route_info_create+0xf18/0x17d0 [14251.353701][ T7704] ip6_route_add+0x1c/0x140 [14251.353701][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14251.353701][ T7704] addrconf_add_dev+0xe2/0x170 [14251.353701][ T7704] inet6_addr_add+0x12f/0xa40 [14251.353701][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14251.353701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14251.353701][ T7704] netlink_rcv_skb+0x130/0x360 [14251.353701][ T7704] netlink_unicast+0x449/0x710 [14251.353701][ T7704] netlink_sendmsg+0x723/0xbe0 [14251.353701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14251.353701][ T7704] ___sys_sendmsg+0xee/0x170 [14251.353701][ T7704] __sys_sendmsg+0xcd/0x170 [14251.353701][ T7704] do_syscall_64+0xc6/0x1e0 [14251.353701][ T7704] [14251.356010][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14251.356010][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14251.356010][ T7704] ipv6_find_idev+0x102/0x170 [14251.356010][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14251.356010][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14251.356010][ T7704] netlink_rcv_skb+0x130/0x360 [14251.356010][ T7704] netlink_unicast+0x449/0x710 [14251.356010][ T7704] netlink_sendmsg+0x723/0xbe0 [14251.356010][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14251.356010][ T7704] ___sys_sendmsg+0xee/0x170 [14251.356010][ T7704] __sys_sendmsg+0xcd/0x170 [14251.356010][ T7704] do_syscall_64+0xc6/0x1e0 [14251.356010][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14251.356010][ T7704] [14251.357740][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14251.357740][ T7704] neigh_parms_alloc+0x1e5/0x510 [14251.357740][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14251.357740][ T7704] ipv6_find_idev+0x102/0x170 [14251.357740][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14251.357740][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14251.357740][ T7704] netlink_rcv_skb+0x130/0x360 [14251.357740][ T7704] netlink_unicast+0x449/0x710 [14251.357740][ T7704] netlink_sendmsg+0x723/0xbe0 [14251.357740][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14251.357740][ T7704] ___sys_sendmsg+0xee/0x170 [14251.357740][ T7704] __sys_sendmsg+0xcd/0x170 [14251.357740][ T7704] do_syscall_64+0xc6/0x1e0 [14251.357740][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14251.357740][ T7704] [14261.396809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14261.397331][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14261.397331][ T7704] netdev_get_by_index+0x5e/0x80 [14261.397331][ T7704] fib6_nh_init+0x3d8/0x15b0 [14261.397331][ T7704] ip6_route_info_create+0xf18/0x17d0 [14261.397331][ T7704] ip6_route_add+0x1c/0x140 [14261.397331][ T7704] addrconf_prefix_route+0x2a6/0x430 [14261.397331][ T7704] inet6_addr_add+0x4f8/0xa40 [14261.397331][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14261.397331][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14261.397331][ T7704] netlink_rcv_skb+0x130/0x360 [14261.397331][ T7704] netlink_unicast+0x449/0x710 [14261.397331][ T7704] netlink_sendmsg+0x723/0xbe0 [14261.397331][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14261.397331][ T7704] ___sys_sendmsg+0xee/0x170 [14261.397331][ T7704] __sys_sendmsg+0xcd/0x170 [14261.397331][ T7704] do_syscall_64+0xc6/0x1e0 [14261.397331][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14261.397331][ T7704] [14261.399577][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14261.399577][ T7704] netdev_get_by_index+0x5e/0x80 [14261.399577][ T7704] fib6_nh_init+0x3d8/0x15b0 [14261.399577][ T7704] ip6_route_info_create+0xf18/0x17d0 [14261.399577][ T7704] addrconf_f6i_alloc+0x315/0x560 [14261.399577][ T7704] ipv6_add_addr+0x411/0x2000 [14261.399577][ T7704] inet6_addr_add+0x30e/0xa40 [14261.399577][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14261.399577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14261.399577][ T7704] netlink_rcv_skb+0x130/0x360 [14261.399577][ T7704] netlink_unicast+0x449/0x710 [14261.399577][ T7704] netlink_sendmsg+0x723/0xbe0 [14261.399577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14261.399577][ T7704] ___sys_sendmsg+0xee/0x170 [14261.399577][ T7704] __sys_sendmsg+0xcd/0x170 [14261.399577][ T7704] do_syscall_64+0xc6/0x1e0 [14261.399577][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14261.399577][ T7704] [14261.401806][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14261.401806][ T7704] netdev_get_by_index+0x5e/0x80 [14261.401806][ T7704] fib6_nh_init+0x3d8/0x15b0 [14261.401806][ T7704] ip6_route_info_create+0xf18/0x17d0 [14261.401806][ T7704] ip6_route_add+0x1c/0x140 [14261.401806][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14261.401806][ T7704] addrconf_add_dev+0xe2/0x170 [14261.401806][ T7704] inet6_addr_add+0x12f/0xa40 [14261.401806][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14261.401806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14261.401806][ T7704] netlink_rcv_skb+0x130/0x360 [14261.401806][ T7704] netlink_unicast+0x449/0x710 [14261.401806][ T7704] netlink_sendmsg+0x723/0xbe0 [14261.401806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14261.401806][ T7704] ___sys_sendmsg+0xee/0x170 [14261.401806][ T7704] __sys_sendmsg+0xcd/0x170 [14261.401806][ T7704] do_syscall_64+0xc6/0x1e0 [14261.401806][ T7704] [14261.404097][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14261.404097][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14261.404097][ T7704] ipv6_find_idev+0x102/0x170 [14261.404097][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14261.404097][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14261.404097][ T7704] netlink_rcv_skb+0x130/0x360 [14261.404097][ T7704] netlink_unicast+0x449/0x710 [14261.404097][ T7704] netlink_sendmsg+0x723/0xbe0 [14261.404097][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14261.404097][ T7704] ___sys_sendmsg+0xee/0x170 [14261.404097][ T7704] __sys_sendmsg+0xcd/0x170 [14261.404097][ T7704] do_syscall_64+0xc6/0x1e0 [14261.404097][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14261.404097][ T7704] [14261.405833][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14261.405833][ T7704] neigh_parms_alloc+0x1e5/0x510 [14261.405833][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14261.405833][ T7704] ipv6_find_idev+0x102/0x170 [14261.405833][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14261.405833][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14261.405833][ T7704] netlink_rcv_skb+0x130/0x360 [14261.405833][ T7704] netlink_unicast+0x449/0x710 [14261.405833][ T7704] netlink_sendmsg+0x723/0xbe0 [14261.405833][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14261.405833][ T7704] ___sys_sendmsg+0xee/0x170 [14261.405833][ T7704] __sys_sendmsg+0xcd/0x170 [14261.405833][ T7704] do_syscall_64+0xc6/0x1e0 [14261.405833][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14261.405833][ T7704] [14271.468922][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14271.469436][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14271.469436][ T7704] netdev_get_by_index+0x5e/0x80 [14271.469436][ T7704] fib6_nh_init+0x3d8/0x15b0 [14271.469436][ T7704] ip6_route_info_create+0xf18/0x17d0 [14271.469436][ T7704] ip6_route_add+0x1c/0x140 [14271.469436][ T7704] addrconf_prefix_route+0x2a6/0x430 [14271.469436][ T7704] inet6_addr_add+0x4f8/0xa40 [14271.469436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14271.469436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14271.469436][ T7704] netlink_rcv_skb+0x130/0x360 [14271.469436][ T7704] netlink_unicast+0x449/0x710 [14271.469436][ T7704] netlink_sendmsg+0x723/0xbe0 [14271.469436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14271.469436][ T7704] ___sys_sendmsg+0xee/0x170 [14271.469436][ T7704] __sys_sendmsg+0xcd/0x170 [14271.469436][ T7704] do_syscall_64+0xc6/0x1e0 [14271.469436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14271.469436][ T7704] [14271.471671][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14271.471671][ T7704] netdev_get_by_index+0x5e/0x80 [14271.471671][ T7704] fib6_nh_init+0x3d8/0x15b0 [14271.471671][ T7704] ip6_route_info_create+0xf18/0x17d0 [14271.471671][ T7704] addrconf_f6i_alloc+0x315/0x560 [14271.471671][ T7704] ipv6_add_addr+0x411/0x2000 [14271.471671][ T7704] inet6_addr_add+0x30e/0xa40 [14271.471671][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14271.471671][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14271.471671][ T7704] netlink_rcv_skb+0x130/0x360 [14271.471671][ T7704] netlink_unicast+0x449/0x710 [14271.471671][ T7704] netlink_sendmsg+0x723/0xbe0 [14271.471671][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14271.471671][ T7704] ___sys_sendmsg+0xee/0x170 [14271.471671][ T7704] __sys_sendmsg+0xcd/0x170 [14271.471671][ T7704] do_syscall_64+0xc6/0x1e0 [14271.471671][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14271.471671][ T7704] [14271.473874][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14271.473874][ T7704] netdev_get_by_index+0x5e/0x80 [14271.473874][ T7704] fib6_nh_init+0x3d8/0x15b0 [14271.473874][ T7704] ip6_route_info_create+0xf18/0x17d0 [14271.473874][ T7704] ip6_route_add+0x1c/0x140 [14271.473874][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14271.473874][ T7704] addrconf_add_dev+0xe2/0x170 [14271.473874][ T7704] inet6_addr_add+0x12f/0xa40 [14271.473874][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14271.473874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14271.473874][ T7704] netlink_rcv_skb+0x130/0x360 [14271.473874][ T7704] netlink_unicast+0x449/0x710 [14271.473874][ T7704] netlink_sendmsg+0x723/0xbe0 [14271.473874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14271.473874][ T7704] ___sys_sendmsg+0xee/0x170 [14271.473874][ T7704] __sys_sendmsg+0xcd/0x170 [14271.473874][ T7704] do_syscall_64+0xc6/0x1e0 [14271.473874][ T7704] [14271.476050][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14271.476050][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14271.476050][ T7704] ipv6_find_idev+0x102/0x170 [14271.476050][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14271.476050][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14271.476050][ T7704] netlink_rcv_skb+0x130/0x360 [14271.476050][ T7704] netlink_unicast+0x449/0x710 [14271.476050][ T7704] netlink_sendmsg+0x723/0xbe0 [14271.476050][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14271.476050][ T7704] ___sys_sendmsg+0xee/0x170 [14271.476050][ T7704] __sys_sendmsg+0xcd/0x170 [14271.476050][ T7704] do_syscall_64+0xc6/0x1e0 [14271.476050][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14271.476050][ T7704] [14271.477749][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14271.477749][ T7704] neigh_parms_alloc+0x1e5/0x510 [14271.477749][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14271.477749][ T7704] ipv6_find_idev+0x102/0x170 [14271.477749][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14271.477749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14271.477749][ T7704] netlink_rcv_skb+0x130/0x360 [14271.477749][ T7704] netlink_unicast+0x449/0x710 [14271.477749][ T7704] netlink_sendmsg+0x723/0xbe0 [14271.477749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14271.477749][ T7704] ___sys_sendmsg+0xee/0x170 [14271.477749][ T7704] __sys_sendmsg+0xcd/0x170 [14271.477749][ T7704] do_syscall_64+0xc6/0x1e0 [14271.477749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14271.477749][ T7704] [14281.580810][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14281.581358][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14281.581358][ T7704] netdev_get_by_index+0x5e/0x80 [14281.581358][ T7704] fib6_nh_init+0x3d8/0x15b0 [14281.581358][ T7704] ip6_route_info_create+0xf18/0x17d0 [14281.581358][ T7704] ip6_route_add+0x1c/0x140 [14281.581358][ T7704] addrconf_prefix_route+0x2a6/0x430 [14281.581358][ T7704] inet6_addr_add+0x4f8/0xa40 [14281.581358][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14281.581358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14281.581358][ T7704] netlink_rcv_skb+0x130/0x360 [14281.581358][ T7704] netlink_unicast+0x449/0x710 [14281.581358][ T7704] netlink_sendmsg+0x723/0xbe0 [14281.581358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14281.581358][ T7704] ___sys_sendmsg+0xee/0x170 [14281.581358][ T7704] __sys_sendmsg+0xcd/0x170 [14281.581358][ T7704] do_syscall_64+0xc6/0x1e0 [14281.581358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14281.581358][ T7704] [14281.583593][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14281.583593][ T7704] netdev_get_by_index+0x5e/0x80 [14281.583593][ T7704] fib6_nh_init+0x3d8/0x15b0 [14281.583593][ T7704] ip6_route_info_create+0xf18/0x17d0 [14281.583593][ T7704] addrconf_f6i_alloc+0x315/0x560 [14281.583593][ T7704] ipv6_add_addr+0x411/0x2000 [14281.583593][ T7704] inet6_addr_add+0x30e/0xa40 [14281.583593][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14281.583593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14281.583593][ T7704] netlink_rcv_skb+0x130/0x360 [14281.583593][ T7704] netlink_unicast+0x449/0x710 [14281.583593][ T7704] netlink_sendmsg+0x723/0xbe0 [14281.583593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14281.583593][ T7704] ___sys_sendmsg+0xee/0x170 [14281.583593][ T7704] __sys_sendmsg+0xcd/0x170 [14281.583593][ T7704] do_syscall_64+0xc6/0x1e0 [14281.583593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14281.583593][ T7704] [14281.585812][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14281.585812][ T7704] netdev_get_by_index+0x5e/0x80 [14281.585812][ T7704] fib6_nh_init+0x3d8/0x15b0 [14281.585812][ T7704] ip6_route_info_create+0xf18/0x17d0 [14281.585812][ T7704] ip6_route_add+0x1c/0x140 [14281.585812][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14281.585812][ T7704] addrconf_add_dev+0xe2/0x170 [14281.585812][ T7704] inet6_addr_add+0x12f/0xa40 [14281.585812][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14281.585812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14281.585812][ T7704] netlink_rcv_skb+0x130/0x360 [14281.585812][ T7704] netlink_unicast+0x449/0x710 [14281.585812][ T7704] netlink_sendmsg+0x723/0xbe0 [14281.585812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14281.585812][ T7704] ___sys_sendmsg+0xee/0x170 [14281.585812][ T7704] __sys_sendmsg+0xcd/0x170 [14281.585812][ T7704] do_syscall_64+0xc6/0x1e0 [14281.585812][ T7704] [14281.587990][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14281.587990][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14281.587990][ T7704] ipv6_find_idev+0x102/0x170 [14281.587990][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14281.587990][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14281.587990][ T7704] netlink_rcv_skb+0x130/0x360 [14281.587990][ T7704] netlink_unicast+0x449/0x710 [14281.587990][ T7704] netlink_sendmsg+0x723/0xbe0 [14281.587990][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14281.587990][ T7704] ___sys_sendmsg+0xee/0x170 [14281.587990][ T7704] __sys_sendmsg+0xcd/0x170 [14281.587990][ T7704] do_syscall_64+0xc6/0x1e0 [14281.587990][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14281.587990][ T7704] [14281.590217][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14281.590217][ T7704] neigh_parms_alloc+0x1e5/0x510 [14281.590217][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14281.590217][ T7704] ipv6_find_idev+0x102/0x170 [14281.590217][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14281.590217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14281.590217][ T7704] netlink_rcv_skb+0x130/0x360 [14281.590217][ T7704] netlink_unicast+0x449/0x710 [14281.590217][ T7704] netlink_sendmsg+0x723/0xbe0 [14281.590217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14281.590217][ T7704] ___sys_sendmsg+0xee/0x170 [14281.590217][ T7704] __sys_sendmsg+0xcd/0x170 [14281.590217][ T7704] do_syscall_64+0xc6/0x1e0 [14281.590217][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14281.590217][ T7704] [14291.724877][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14291.725365][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14291.725365][ T7704] netdev_get_by_index+0x5e/0x80 [14291.725365][ T7704] fib6_nh_init+0x3d8/0x15b0 [14291.725365][ T7704] ip6_route_info_create+0xf18/0x17d0 [14291.725365][ T7704] ip6_route_add+0x1c/0x140 [14291.725365][ T7704] addrconf_prefix_route+0x2a6/0x430 [14291.725365][ T7704] inet6_addr_add+0x4f8/0xa40 [14291.725365][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14291.725365][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14291.725365][ T7704] netlink_rcv_skb+0x130/0x360 [14291.725365][ T7704] netlink_unicast+0x449/0x710 [14291.725365][ T7704] netlink_sendmsg+0x723/0xbe0 [14291.725365][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14291.725365][ T7704] ___sys_sendmsg+0xee/0x170 [14291.725365][ T7704] __sys_sendmsg+0xcd/0x170 [14291.725365][ T7704] do_syscall_64+0xc6/0x1e0 [14291.725365][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14291.725365][ T7704] [14291.727618][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14291.727618][ T7704] netdev_get_by_index+0x5e/0x80 [14291.727618][ T7704] fib6_nh_init+0x3d8/0x15b0 [14291.727618][ T7704] ip6_route_info_create+0xf18/0x17d0 [14291.727618][ T7704] addrconf_f6i_alloc+0x315/0x560 [14291.727618][ T7704] ipv6_add_addr+0x411/0x2000 [14291.727618][ T7704] inet6_addr_add+0x30e/0xa40 [14291.727618][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14291.727618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14291.727618][ T7704] netlink_rcv_skb+0x130/0x360 [14291.727618][ T7704] netlink_unicast+0x449/0x710 [14291.727618][ T7704] netlink_sendmsg+0x723/0xbe0 [14291.727618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14291.727618][ T7704] ___sys_sendmsg+0xee/0x170 [14291.727618][ T7704] __sys_sendmsg+0xcd/0x170 [14291.727618][ T7704] do_syscall_64+0xc6/0x1e0 [14291.727618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14291.727618][ T7704] [14291.729842][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14291.729842][ T7704] netdev_get_by_index+0x5e/0x80 [14291.729842][ T7704] fib6_nh_init+0x3d8/0x15b0 [14291.729842][ T7704] ip6_route_info_create+0xf18/0x17d0 [14291.729842][ T7704] ip6_route_add+0x1c/0x140 [14291.729842][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14291.729842][ T7704] addrconf_add_dev+0xe2/0x170 [14291.729842][ T7704] inet6_addr_add+0x12f/0xa40 [14291.729842][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14291.729842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14291.729842][ T7704] netlink_rcv_skb+0x130/0x360 [14291.729842][ T7704] netlink_unicast+0x449/0x710 [14291.729842][ T7704] netlink_sendmsg+0x723/0xbe0 [14291.729842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14291.729842][ T7704] ___sys_sendmsg+0xee/0x170 [14291.729842][ T7704] __sys_sendmsg+0xcd/0x170 [14291.729842][ T7704] do_syscall_64+0xc6/0x1e0 [14291.729842][ T7704] [14291.732018][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14291.732018][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14291.732018][ T7704] ipv6_find_idev+0x102/0x170 [14291.732018][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14291.732018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14291.732018][ T7704] netlink_rcv_skb+0x130/0x360 [14291.732018][ T7704] netlink_unicast+0x449/0x710 [14291.732018][ T7704] netlink_sendmsg+0x723/0xbe0 [14291.732018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14291.732018][ T7704] ___sys_sendmsg+0xee/0x170 [14291.732018][ T7704] __sys_sendmsg+0xcd/0x170 [14291.732018][ T7704] do_syscall_64+0xc6/0x1e0 [14291.732018][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14291.732018][ T7704] [14291.733769][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14291.733769][ T7704] neigh_parms_alloc+0x1e5/0x510 [14291.733769][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14291.733769][ T7704] ipv6_find_idev+0x102/0x170 [14291.733769][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14291.733769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14291.733769][ T7704] netlink_rcv_skb+0x130/0x360 [14291.733769][ T7704] netlink_unicast+0x449/0x710 [14291.733769][ T7704] netlink_sendmsg+0x723/0xbe0 [14291.733769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14291.733769][ T7704] ___sys_sendmsg+0xee/0x170 [14291.733769][ T7704] __sys_sendmsg+0xcd/0x170 [14291.733769][ T7704] do_syscall_64+0xc6/0x1e0 [14291.733769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14291.733769][ T7704] [14301.908832][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14301.909388][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14301.909388][ T7704] netdev_get_by_index+0x5e/0x80 [14301.909388][ T7704] fib6_nh_init+0x3d8/0x15b0 [14301.909388][ T7704] ip6_route_info_create+0xf18/0x17d0 [14301.909388][ T7704] ip6_route_add+0x1c/0x140 [14301.909388][ T7704] addrconf_prefix_route+0x2a6/0x430 [14301.909388][ T7704] inet6_addr_add+0x4f8/0xa40 [14301.909388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14301.909388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14301.909388][ T7704] netlink_rcv_skb+0x130/0x360 [14301.909388][ T7704] netlink_unicast+0x449/0x710 [14301.909388][ T7704] netlink_sendmsg+0x723/0xbe0 [14301.909388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14301.909388][ T7704] ___sys_sendmsg+0xee/0x170 [14301.909388][ T7704] __sys_sendmsg+0xcd/0x170 [14301.909388][ T7704] do_syscall_64+0xc6/0x1e0 [14301.909388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14301.909388][ T7704] [14301.911653][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14301.911653][ T7704] netdev_get_by_index+0x5e/0x80 [14301.911653][ T7704] fib6_nh_init+0x3d8/0x15b0 [14301.911653][ T7704] ip6_route_info_create+0xf18/0x17d0 [14301.911653][ T7704] addrconf_f6i_alloc+0x315/0x560 [14301.911653][ T7704] ipv6_add_addr+0x411/0x2000 [14301.911653][ T7704] inet6_addr_add+0x30e/0xa40 [14301.911653][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14301.911653][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14301.911653][ T7704] netlink_rcv_skb+0x130/0x360 [14301.911653][ T7704] netlink_unicast+0x449/0x710 [14301.911653][ T7704] netlink_sendmsg+0x723/0xbe0 [14301.911653][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14301.911653][ T7704] ___sys_sendmsg+0xee/0x170 [14301.911653][ T7704] __sys_sendmsg+0xcd/0x170 [14301.911653][ T7704] do_syscall_64+0xc6/0x1e0 [14301.911653][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14301.911653][ T7704] [14301.913892][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14301.913892][ T7704] netdev_get_by_index+0x5e/0x80 [14301.913892][ T7704] fib6_nh_init+0x3d8/0x15b0 [14301.913892][ T7704] ip6_route_info_create+0xf18/0x17d0 [14301.913892][ T7704] ip6_route_add+0x1c/0x140 [14301.913892][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14301.913892][ T7704] addrconf_add_dev+0xe2/0x170 [14301.913892][ T7704] inet6_addr_add+0x12f/0xa40 [14301.913892][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14301.913892][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14301.913892][ T7704] netlink_rcv_skb+0x130/0x360 [14301.913892][ T7704] netlink_unicast+0x449/0x710 [14301.913892][ T7704] netlink_sendmsg+0x723/0xbe0 [14301.913892][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14301.913892][ T7704] ___sys_sendmsg+0xee/0x170 [14301.913892][ T7704] __sys_sendmsg+0xcd/0x170 [14301.913892][ T7704] do_syscall_64+0xc6/0x1e0 [14301.913892][ T7704] [14301.916116][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14301.916116][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14301.916116][ T7704] ipv6_find_idev+0x102/0x170 [14301.916116][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14301.916116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14301.916116][ T7704] netlink_rcv_skb+0x130/0x360 [14301.916116][ T7704] netlink_unicast+0x449/0x710 [14301.916116][ T7704] netlink_sendmsg+0x723/0xbe0 [14301.916116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14301.916116][ T7704] ___sys_sendmsg+0xee/0x170 [14301.916116][ T7704] __sys_sendmsg+0xcd/0x170 [14301.916116][ T7704] do_syscall_64+0xc6/0x1e0 [14301.916116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14301.916116][ T7704] [14301.917832][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14301.917832][ T7704] neigh_parms_alloc+0x1e5/0x510 [14301.917832][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14301.917832][ T7704] ipv6_find_idev+0x102/0x170 [14301.917832][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14301.917832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14301.917832][ T7704] netlink_rcv_skb+0x130/0x360 [14301.917832][ T7704] netlink_unicast+0x449/0x710 [14301.917832][ T7704] netlink_sendmsg+0x723/0xbe0 [14301.917832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14301.917832][ T7704] ___sys_sendmsg+0xee/0x170 [14301.917832][ T7704] __sys_sendmsg+0xcd/0x170 [14301.917832][ T7704] do_syscall_64+0xc6/0x1e0 [14301.917832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14301.917832][ T7704] [14312.116833][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14312.117377][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14312.117377][ T7704] netdev_get_by_index+0x5e/0x80 [14312.117377][ T7704] fib6_nh_init+0x3d8/0x15b0 [14312.117377][ T7704] ip6_route_info_create+0xf18/0x17d0 [14312.117377][ T7704] ip6_route_add+0x1c/0x140 [14312.117377][ T7704] addrconf_prefix_route+0x2a6/0x430 [14312.117377][ T7704] inet6_addr_add+0x4f8/0xa40 [14312.117377][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14312.117377][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14312.117377][ T7704] netlink_rcv_skb+0x130/0x360 [14312.117377][ T7704] netlink_unicast+0x449/0x710 [14312.117377][ T7704] netlink_sendmsg+0x723/0xbe0 [14312.117377][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14312.117377][ T7704] ___sys_sendmsg+0xee/0x170 [14312.117377][ T7704] __sys_sendmsg+0xcd/0x170 [14312.117377][ T7704] do_syscall_64+0xc6/0x1e0 [14312.117377][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14312.117377][ T7704] [14312.119630][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14312.119630][ T7704] netdev_get_by_index+0x5e/0x80 [14312.119630][ T7704] fib6_nh_init+0x3d8/0x15b0 [14312.119630][ T7704] ip6_route_info_create+0xf18/0x17d0 [14312.119630][ T7704] addrconf_f6i_alloc+0x315/0x560 [14312.119630][ T7704] ipv6_add_addr+0x411/0x2000 [14312.119630][ T7704] inet6_addr_add+0x30e/0xa40 [14312.119630][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14312.119630][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14312.119630][ T7704] netlink_rcv_skb+0x130/0x360 [14312.119630][ T7704] netlink_unicast+0x449/0x710 [14312.119630][ T7704] netlink_sendmsg+0x723/0xbe0 [14312.119630][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14312.119630][ T7704] ___sys_sendmsg+0xee/0x170 [14312.119630][ T7704] __sys_sendmsg+0xcd/0x170 [14312.119630][ T7704] do_syscall_64+0xc6/0x1e0 [14312.119630][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14312.119630][ T7704] [14312.121889][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14312.121889][ T7704] netdev_get_by_index+0x5e/0x80 [14312.121889][ T7704] fib6_nh_init+0x3d8/0x15b0 [14312.121889][ T7704] ip6_route_info_create+0xf18/0x17d0 [14312.121889][ T7704] ip6_route_add+0x1c/0x140 [14312.121889][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14312.121889][ T7704] addrconf_add_dev+0xe2/0x170 [14312.121889][ T7704] inet6_addr_add+0x12f/0xa40 [14312.121889][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14312.121889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14312.121889][ T7704] netlink_rcv_skb+0x130/0x360 [14312.121889][ T7704] netlink_unicast+0x449/0x710 [14312.121889][ T7704] netlink_sendmsg+0x723/0xbe0 [14312.121889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14312.121889][ T7704] ___sys_sendmsg+0xee/0x170 [14312.121889][ T7704] __sys_sendmsg+0xcd/0x170 [14312.121889][ T7704] do_syscall_64+0xc6/0x1e0 [14312.121889][ T7704] [14312.124077][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14312.124077][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14312.124077][ T7704] ipv6_find_idev+0x102/0x170 [14312.124077][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14312.124077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14312.124077][ T7704] netlink_rcv_skb+0x130/0x360 [14312.124077][ T7704] netlink_unicast+0x449/0x710 [14312.124077][ T7704] netlink_sendmsg+0x723/0xbe0 [14312.124077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14312.124077][ T7704] ___sys_sendmsg+0xee/0x170 [14312.124077][ T7704] __sys_sendmsg+0xcd/0x170 [14312.124077][ T7704] do_syscall_64+0xc6/0x1e0 [14312.124077][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14312.124077][ T7704] [14312.125805][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14312.125805][ T7704] neigh_parms_alloc+0x1e5/0x510 [14312.125805][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14312.125805][ T7704] ipv6_find_idev+0x102/0x170 [14312.125805][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14312.125805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14312.125805][ T7704] netlink_rcv_skb+0x130/0x360 [14312.125805][ T7704] netlink_unicast+0x449/0x710 [14312.125805][ T7704] netlink_sendmsg+0x723/0xbe0 [14312.125805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14312.125805][ T7704] ___sys_sendmsg+0xee/0x170 [14312.125805][ T7704] __sys_sendmsg+0xcd/0x170 [14312.125805][ T7704] do_syscall_64+0xc6/0x1e0 [14312.125805][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14312.125805][ T7704] [14322.300886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14322.301358][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14322.301358][ T7704] netdev_get_by_index+0x5e/0x80 [14322.301358][ T7704] fib6_nh_init+0x3d8/0x15b0 [14322.301358][ T7704] ip6_route_info_create+0xf18/0x17d0 [14322.301358][ T7704] ip6_route_add+0x1c/0x140 [14322.301358][ T7704] addrconf_prefix_route+0x2a6/0x430 [14322.301358][ T7704] inet6_addr_add+0x4f8/0xa40 [14322.301358][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14322.301358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14322.301358][ T7704] netlink_rcv_skb+0x130/0x360 [14322.301358][ T7704] netlink_unicast+0x449/0x710 [14322.301358][ T7704] netlink_sendmsg+0x723/0xbe0 [14322.301358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14322.301358][ T7704] ___sys_sendmsg+0xee/0x170 [14322.301358][ T7704] __sys_sendmsg+0xcd/0x170 [14322.301358][ T7704] do_syscall_64+0xc6/0x1e0 [14322.301358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14322.301358][ T7704] [14322.303606][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14322.303606][ T7704] netdev_get_by_index+0x5e/0x80 [14322.303606][ T7704] fib6_nh_init+0x3d8/0x15b0 [14322.303606][ T7704] ip6_route_info_create+0xf18/0x17d0 [14322.303606][ T7704] addrconf_f6i_alloc+0x315/0x560 [14322.303606][ T7704] ipv6_add_addr+0x411/0x2000 [14322.303606][ T7704] inet6_addr_add+0x30e/0xa40 [14322.303606][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14322.303606][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14322.303606][ T7704] netlink_rcv_skb+0x130/0x360 [14322.303606][ T7704] netlink_unicast+0x449/0x710 [14322.303606][ T7704] netlink_sendmsg+0x723/0xbe0 [14322.303606][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14322.303606][ T7704] ___sys_sendmsg+0xee/0x170 [14322.303606][ T7704] __sys_sendmsg+0xcd/0x170 [14322.303606][ T7704] do_syscall_64+0xc6/0x1e0 [14322.303606][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14322.303606][ T7704] [14322.305844][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14322.305844][ T7704] netdev_get_by_index+0x5e/0x80 [14322.305844][ T7704] fib6_nh_init+0x3d8/0x15b0 [14322.305844][ T7704] ip6_route_info_create+0xf18/0x17d0 [14322.305844][ T7704] ip6_route_add+0x1c/0x140 [14322.305844][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14322.305844][ T7704] addrconf_add_dev+0xe2/0x170 [14322.305844][ T7704] inet6_addr_add+0x12f/0xa40 [14322.305844][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14322.305844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14322.305844][ T7704] netlink_rcv_skb+0x130/0x360 [14322.305844][ T7704] netlink_unicast+0x449/0x710 [14322.305844][ T7704] netlink_sendmsg+0x723/0xbe0 [14322.305844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14322.305844][ T7704] ___sys_sendmsg+0xee/0x170 [14322.305844][ T7704] __sys_sendmsg+0xcd/0x170 [14322.305844][ T7704] do_syscall_64+0xc6/0x1e0 [14322.305844][ T7704] [14322.308020][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14322.308020][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14322.308020][ T7704] ipv6_find_idev+0x102/0x170 [14322.308020][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14322.308020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14322.308020][ T7704] netlink_rcv_skb+0x130/0x360 [14322.308020][ T7704] netlink_unicast+0x449/0x710 [14322.308020][ T7704] netlink_sendmsg+0x723/0xbe0 [14322.308020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14322.308020][ T7704] ___sys_sendmsg+0xee/0x170 [14322.308020][ T7704] __sys_sendmsg+0xcd/0x170 [14322.308020][ T7704] do_syscall_64+0xc6/0x1e0 [14322.308020][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14322.308020][ T7704] [14322.309782][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14322.309782][ T7704] neigh_parms_alloc+0x1e5/0x510 [14322.309782][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14322.309782][ T7704] ipv6_find_idev+0x102/0x170 [14322.309782][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14322.309782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14322.309782][ T7704] netlink_rcv_skb+0x130/0x360 [14322.309782][ T7704] netlink_unicast+0x449/0x710 [14322.309782][ T7704] netlink_sendmsg+0x723/0xbe0 [14322.309782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14322.309782][ T7704] ___sys_sendmsg+0xee/0x170 [14322.309782][ T7704] __sys_sendmsg+0xcd/0x170 [14322.309782][ T7704] do_syscall_64+0xc6/0x1e0 [14322.309782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14322.309782][ T7704] [14332.468825][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14332.469348][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14332.469348][ T7704] netdev_get_by_index+0x5e/0x80 [14332.469348][ T7704] fib6_nh_init+0x3d8/0x15b0 [14332.469348][ T7704] ip6_route_info_create+0xf18/0x17d0 [14332.469348][ T7704] ip6_route_add+0x1c/0x140 [14332.469348][ T7704] addrconf_prefix_route+0x2a6/0x430 [14332.469348][ T7704] inet6_addr_add+0x4f8/0xa40 [14332.469348][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14332.469348][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14332.469348][ T7704] netlink_rcv_skb+0x130/0x360 [14332.469348][ T7704] netlink_unicast+0x449/0x710 [14332.469348][ T7704] netlink_sendmsg+0x723/0xbe0 [14332.469348][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14332.469348][ T7704] ___sys_sendmsg+0xee/0x170 [14332.469348][ T7704] __sys_sendmsg+0xcd/0x170 [14332.469348][ T7704] do_syscall_64+0xc6/0x1e0 [14332.469348][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14332.469348][ T7704] [14332.471593][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14332.471593][ T7704] netdev_get_by_index+0x5e/0x80 [14332.471593][ T7704] fib6_nh_init+0x3d8/0x15b0 [14332.471593][ T7704] ip6_route_info_create+0xf18/0x17d0 [14332.471593][ T7704] addrconf_f6i_alloc+0x315/0x560 [14332.471593][ T7704] ipv6_add_addr+0x411/0x2000 [14332.471593][ T7704] inet6_addr_add+0x30e/0xa40 [14332.471593][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14332.471593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14332.471593][ T7704] netlink_rcv_skb+0x130/0x360 [14332.471593][ T7704] netlink_unicast+0x449/0x710 [14332.471593][ T7704] netlink_sendmsg+0x723/0xbe0 [14332.471593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14332.471593][ T7704] ___sys_sendmsg+0xee/0x170 [14332.471593][ T7704] __sys_sendmsg+0xcd/0x170 [14332.471593][ T7704] do_syscall_64+0xc6/0x1e0 [14332.471593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14332.471593][ T7704] [14332.473806][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14332.473806][ T7704] netdev_get_by_index+0x5e/0x80 [14332.473806][ T7704] fib6_nh_init+0x3d8/0x15b0 [14332.473806][ T7704] ip6_route_info_create+0xf18/0x17d0 [14332.473806][ T7704] ip6_route_add+0x1c/0x140 [14332.473806][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14332.473806][ T7704] addrconf_add_dev+0xe2/0x170 [14332.473806][ T7704] inet6_addr_add+0x12f/0xa40 [14332.473806][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14332.473806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14332.473806][ T7704] netlink_rcv_skb+0x130/0x360 [14332.473806][ T7704] netlink_unicast+0x449/0x710 [14332.473806][ T7704] netlink_sendmsg+0x723/0xbe0 [14332.473806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14332.473806][ T7704] ___sys_sendmsg+0xee/0x170 [14332.473806][ T7704] __sys_sendmsg+0xcd/0x170 [14332.473806][ T7704] do_syscall_64+0xc6/0x1e0 [14332.473806][ T7704] [14332.475983][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14332.475983][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14332.475983][ T7704] ipv6_find_idev+0x102/0x170 [14332.475983][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14332.475983][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14332.475983][ T7704] netlink_rcv_skb+0x130/0x360 [14332.475983][ T7704] netlink_unicast+0x449/0x710 [14332.475983][ T7704] netlink_sendmsg+0x723/0xbe0 [14332.475983][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14332.475983][ T7704] ___sys_sendmsg+0xee/0x170 [14332.475983][ T7704] __sys_sendmsg+0xcd/0x170 [14332.475983][ T7704] do_syscall_64+0xc6/0x1e0 [14332.475983][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14332.475983][ T7704] [14332.477680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14332.477680][ T7704] neigh_parms_alloc+0x1e5/0x510 [14332.477680][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14332.477680][ T7704] ipv6_find_idev+0x102/0x170 [14332.477680][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14332.477680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14332.477680][ T7704] netlink_rcv_skb+0x130/0x360 [14332.477680][ T7704] netlink_unicast+0x449/0x710 [14332.477680][ T7704] netlink_sendmsg+0x723/0xbe0 [14332.477680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14332.477680][ T7704] ___sys_sendmsg+0xee/0x170 [14332.477680][ T7704] __sys_sendmsg+0xcd/0x170 [14332.477680][ T7704] do_syscall_64+0xc6/0x1e0 [14332.477680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14332.477680][ T7704] [14342.837029][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14342.837490][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14342.837490][ T7704] netdev_get_by_index+0x5e/0x80 [14342.837490][ T7704] fib6_nh_init+0x3d8/0x15b0 [14342.837490][ T7704] ip6_route_info_create+0xf18/0x17d0 [14342.837490][ T7704] ip6_route_add+0x1c/0x140 [14342.837490][ T7704] addrconf_prefix_route+0x2a6/0x430 [14342.837490][ T7704] inet6_addr_add+0x4f8/0xa40 [14342.837490][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14342.837490][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14342.837490][ T7704] netlink_rcv_skb+0x130/0x360 [14342.837490][ T7704] netlink_unicast+0x449/0x710 [14342.837490][ T7704] netlink_sendmsg+0x723/0xbe0 [14342.837490][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14342.837490][ T7704] ___sys_sendmsg+0xee/0x170 [14342.837490][ T7704] __sys_sendmsg+0xcd/0x170 [14342.837490][ T7704] do_syscall_64+0xc6/0x1e0 [14342.837490][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14342.837490][ T7704] [14342.839740][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14342.839740][ T7704] netdev_get_by_index+0x5e/0x80 [14342.839740][ T7704] fib6_nh_init+0x3d8/0x15b0 [14342.839740][ T7704] ip6_route_info_create+0xf18/0x17d0 [14342.839740][ T7704] addrconf_f6i_alloc+0x315/0x560 [14342.839740][ T7704] ipv6_add_addr+0x411/0x2000 [14342.839740][ T7704] inet6_addr_add+0x30e/0xa40 [14342.839740][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14342.839740][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14342.839740][ T7704] netlink_rcv_skb+0x130/0x360 [14342.839740][ T7704] netlink_unicast+0x449/0x710 [14342.839740][ T7704] netlink_sendmsg+0x723/0xbe0 [14342.839740][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14342.839740][ T7704] ___sys_sendmsg+0xee/0x170 [14342.839740][ T7704] __sys_sendmsg+0xcd/0x170 [14342.839740][ T7704] do_syscall_64+0xc6/0x1e0 [14342.839740][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14342.839740][ T7704] [14342.841953][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14342.841953][ T7704] netdev_get_by_index+0x5e/0x80 [14342.841953][ T7704] fib6_nh_init+0x3d8/0x15b0 [14342.841953][ T7704] ip6_route_info_create+0xf18/0x17d0 [14342.841953][ T7704] ip6_route_add+0x1c/0x140 [14342.841953][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14342.841953][ T7704] addrconf_add_dev+0xe2/0x170 [14342.841953][ T7704] inet6_addr_add+0x12f/0xa40 [14342.841953][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14342.841953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14342.841953][ T7704] netlink_rcv_skb+0x130/0x360 [14342.841953][ T7704] netlink_unicast+0x449/0x710 [14342.841953][ T7704] netlink_sendmsg+0x723/0xbe0 [14342.841953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14342.841953][ T7704] ___sys_sendmsg+0xee/0x170 [14342.841953][ T7704] __sys_sendmsg+0xcd/0x170 [14342.841953][ T7704] do_syscall_64+0xc6/0x1e0 [14342.841953][ T7704] [14342.844122][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14342.844122][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14342.844122][ T7704] ipv6_find_idev+0x102/0x170 [14342.844122][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14342.844122][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14342.844122][ T7704] netlink_rcv_skb+0x130/0x360 [14342.844122][ T7704] netlink_unicast+0x449/0x710 [14342.844122][ T7704] netlink_sendmsg+0x723/0xbe0 [14342.844122][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14342.844122][ T7704] ___sys_sendmsg+0xee/0x170 [14342.844122][ T7704] __sys_sendmsg+0xcd/0x170 [14342.844122][ T7704] do_syscall_64+0xc6/0x1e0 [14342.844122][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14342.844122][ T7704] [14342.845844][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14342.845844][ T7704] neigh_parms_alloc+0x1e5/0x510 [14342.845844][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14342.845844][ T7704] ipv6_find_idev+0x102/0x170 [14342.845844][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14342.845844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14342.845844][ T7704] netlink_rcv_skb+0x130/0x360 [14342.845844][ T7704] netlink_unicast+0x449/0x710 [14342.845844][ T7704] netlink_sendmsg+0x723/0xbe0 [14342.845844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14342.845844][ T7704] ___sys_sendmsg+0xee/0x170 [14342.845844][ T7704] __sys_sendmsg+0xcd/0x170 [14342.845844][ T7704] do_syscall_64+0xc6/0x1e0 [14342.845844][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14342.845844][ T7704] [14353.084808][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14353.085255][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14353.085255][ T7704] netdev_get_by_index+0x5e/0x80 [14353.085255][ T7704] fib6_nh_init+0x3d8/0x15b0 [14353.085255][ T7704] ip6_route_info_create+0xf18/0x17d0 [14353.085255][ T7704] ip6_route_add+0x1c/0x140 [14353.085255][ T7704] addrconf_prefix_route+0x2a6/0x430 [14353.085255][ T7704] inet6_addr_add+0x4f8/0xa40 [14353.085255][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14353.085255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14353.085255][ T7704] netlink_rcv_skb+0x130/0x360 [14353.085255][ T7704] netlink_unicast+0x449/0x710 [14353.085255][ T7704] netlink_sendmsg+0x723/0xbe0 [14353.085255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14353.085255][ T7704] ___sys_sendmsg+0xee/0x170 [14353.085255][ T7704] __sys_sendmsg+0xcd/0x170 [14353.085255][ T7704] do_syscall_64+0xc6/0x1e0 [14353.085255][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14353.085255][ T7704] [14353.087491][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14353.087491][ T7704] netdev_get_by_index+0x5e/0x80 [14353.087491][ T7704] fib6_nh_init+0x3d8/0x15b0 [14353.087491][ T7704] ip6_route_info_create+0xf18/0x17d0 [14353.087491][ T7704] addrconf_f6i_alloc+0x315/0x560 [14353.087491][ T7704] ipv6_add_addr+0x411/0x2000 [14353.087491][ T7704] inet6_addr_add+0x30e/0xa40 [14353.087491][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14353.087491][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14353.087491][ T7704] netlink_rcv_skb+0x130/0x360 [14353.087491][ T7704] netlink_unicast+0x449/0x710 [14353.087491][ T7704] netlink_sendmsg+0x723/0xbe0 [14353.087491][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14353.087491][ T7704] ___sys_sendmsg+0xee/0x170 [14353.087491][ T7704] __sys_sendmsg+0xcd/0x170 [14353.087491][ T7704] do_syscall_64+0xc6/0x1e0 [14353.087491][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14353.087491][ T7704] [14353.089713][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14353.089713][ T7704] netdev_get_by_index+0x5e/0x80 [14353.089713][ T7704] fib6_nh_init+0x3d8/0x15b0 [14353.089713][ T7704] ip6_route_info_create+0xf18/0x17d0 [14353.089713][ T7704] ip6_route_add+0x1c/0x140 [14353.089713][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14353.089713][ T7704] addrconf_add_dev+0xe2/0x170 [14353.089713][ T7704] inet6_addr_add+0x12f/0xa40 [14353.089713][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14353.089713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14353.089713][ T7704] netlink_rcv_skb+0x130/0x360 [14353.089713][ T7704] netlink_unicast+0x449/0x710 [14353.089713][ T7704] netlink_sendmsg+0x723/0xbe0 [14353.089713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14353.089713][ T7704] ___sys_sendmsg+0xee/0x170 [14353.089713][ T7704] __sys_sendmsg+0xcd/0x170 [14353.089713][ T7704] do_syscall_64+0xc6/0x1e0 [14353.089713][ T7704] [14353.091891][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14353.091891][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14353.091891][ T7704] ipv6_find_idev+0x102/0x170 [14353.091891][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14353.091891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14353.091891][ T7704] netlink_rcv_skb+0x130/0x360 [14353.091891][ T7704] netlink_unicast+0x449/0x710 [14353.091891][ T7704] netlink_sendmsg+0x723/0xbe0 [14353.091891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14353.091891][ T7704] ___sys_sendmsg+0xee/0x170 [14353.091891][ T7704] __sys_sendmsg+0xcd/0x170 [14353.091891][ T7704] do_syscall_64+0xc6/0x1e0 [14353.091891][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14353.091891][ T7704] [14353.093593][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14353.093593][ T7704] neigh_parms_alloc+0x1e5/0x510 [14353.093593][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14353.093593][ T7704] ipv6_find_idev+0x102/0x170 [14353.093593][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14353.093593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14353.093593][ T7704] netlink_rcv_skb+0x130/0x360 [14353.093593][ T7704] netlink_unicast+0x449/0x710 [14353.093593][ T7704] netlink_sendmsg+0x723/0xbe0 [14353.093593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14353.093593][ T7704] ___sys_sendmsg+0xee/0x170 [14353.093593][ T7704] __sys_sendmsg+0xcd/0x170 [14353.093593][ T7704] do_syscall_64+0xc6/0x1e0 [14353.093593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14353.093593][ T7704] [14363.332817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14363.333297][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14363.333297][ T7704] netdev_get_by_index+0x5e/0x80 [14363.333297][ T7704] fib6_nh_init+0x3d8/0x15b0 [14363.333297][ T7704] ip6_route_info_create+0xf18/0x17d0 [14363.333297][ T7704] ip6_route_add+0x1c/0x140 [14363.333297][ T7704] addrconf_prefix_route+0x2a6/0x430 [14363.333297][ T7704] inet6_addr_add+0x4f8/0xa40 [14363.333297][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14363.333297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14363.333297][ T7704] netlink_rcv_skb+0x130/0x360 [14363.333297][ T7704] netlink_unicast+0x449/0x710 [14363.333297][ T7704] netlink_sendmsg+0x723/0xbe0 [14363.333297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14363.333297][ T7704] ___sys_sendmsg+0xee/0x170 [14363.333297][ T7704] __sys_sendmsg+0xcd/0x170 [14363.333297][ T7704] do_syscall_64+0xc6/0x1e0 [14363.333297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14363.333297][ T7704] [14363.335562][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14363.335562][ T7704] netdev_get_by_index+0x5e/0x80 [14363.335562][ T7704] fib6_nh_init+0x3d8/0x15b0 [14363.335562][ T7704] ip6_route_info_create+0xf18/0x17d0 [14363.335562][ T7704] addrconf_f6i_alloc+0x315/0x560 [14363.335562][ T7704] ipv6_add_addr+0x411/0x2000 [14363.335562][ T7704] inet6_addr_add+0x30e/0xa40 [14363.335562][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14363.335562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14363.335562][ T7704] netlink_rcv_skb+0x130/0x360 [14363.335562][ T7704] netlink_unicast+0x449/0x710 [14363.335562][ T7704] netlink_sendmsg+0x723/0xbe0 [14363.335562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14363.335562][ T7704] ___sys_sendmsg+0xee/0x170 [14363.335562][ T7704] __sys_sendmsg+0xcd/0x170 [14363.335562][ T7704] do_syscall_64+0xc6/0x1e0 [14363.335562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14363.335562][ T7704] [14363.337782][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14363.337782][ T7704] netdev_get_by_index+0x5e/0x80 [14363.337782][ T7704] fib6_nh_init+0x3d8/0x15b0 [14363.337782][ T7704] ip6_route_info_create+0xf18/0x17d0 [14363.337782][ T7704] ip6_route_add+0x1c/0x140 [14363.337782][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14363.337782][ T7704] addrconf_add_dev+0xe2/0x170 [14363.337782][ T7704] inet6_addr_add+0x12f/0xa40 [14363.337782][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14363.337782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14363.337782][ T7704] netlink_rcv_skb+0x130/0x360 [14363.337782][ T7704] netlink_unicast+0x449/0x710 [14363.337782][ T7704] netlink_sendmsg+0x723/0xbe0 [14363.337782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14363.337782][ T7704] ___sys_sendmsg+0xee/0x170 [14363.337782][ T7704] __sys_sendmsg+0xcd/0x170 [14363.337782][ T7704] do_syscall_64+0xc6/0x1e0 [14363.337782][ T7704] [14363.339970][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14363.339970][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14363.339970][ T7704] ipv6_find_idev+0x102/0x170 [14363.339970][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14363.339970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14363.339970][ T7704] netlink_rcv_skb+0x130/0x360 [14363.339970][ T7704] netlink_unicast+0x449/0x710 [14363.339970][ T7704] netlink_sendmsg+0x723/0xbe0 [14363.339970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14363.339970][ T7704] ___sys_sendmsg+0xee/0x170 [14363.339970][ T7704] __sys_sendmsg+0xcd/0x170 [14363.339970][ T7704] do_syscall_64+0xc6/0x1e0 [14363.339970][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14363.339970][ T7704] [14363.341673][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14363.341673][ T7704] neigh_parms_alloc+0x1e5/0x510 [14363.341673][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14363.341673][ T7704] ipv6_find_idev+0x102/0x170 [14363.341673][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14363.341673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14363.341673][ T7704] netlink_rcv_skb+0x130/0x360 [14363.341673][ T7704] netlink_unicast+0x449/0x710 [14363.341673][ T7704] netlink_sendmsg+0x723/0xbe0 [14363.341673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14363.341673][ T7704] ___sys_sendmsg+0xee/0x170 [14363.341673][ T7704] __sys_sendmsg+0xcd/0x170 [14363.341673][ T7704] do_syscall_64+0xc6/0x1e0 [14363.341673][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14363.341673][ T7704] [14373.580827][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14373.581398][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14373.581398][ T7704] netdev_get_by_index+0x5e/0x80 [14373.581398][ T7704] fib6_nh_init+0x3d8/0x15b0 [14373.581398][ T7704] ip6_route_info_create+0xf18/0x17d0 [14373.581398][ T7704] ip6_route_add+0x1c/0x140 [14373.581398][ T7704] addrconf_prefix_route+0x2a6/0x430 [14373.581398][ T7704] inet6_addr_add+0x4f8/0xa40 [14373.581398][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14373.581398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14373.581398][ T7704] netlink_rcv_skb+0x130/0x360 [14373.581398][ T7704] netlink_unicast+0x449/0x710 [14373.581398][ T7704] netlink_sendmsg+0x723/0xbe0 [14373.581398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14373.581398][ T7704] ___sys_sendmsg+0xee/0x170 [14373.581398][ T7704] __sys_sendmsg+0xcd/0x170 [14373.581398][ T7704] do_syscall_64+0xc6/0x1e0 [14373.581398][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14373.581398][ T7704] [14373.583644][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14373.583644][ T7704] netdev_get_by_index+0x5e/0x80 [14373.583644][ T7704] fib6_nh_init+0x3d8/0x15b0 [14373.583644][ T7704] ip6_route_info_create+0xf18/0x17d0 [14373.583644][ T7704] addrconf_f6i_alloc+0x315/0x560 [14373.583644][ T7704] ipv6_add_addr+0x411/0x2000 [14373.583644][ T7704] inet6_addr_add+0x30e/0xa40 [14373.583644][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14373.583644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14373.583644][ T7704] netlink_rcv_skb+0x130/0x360 [14373.583644][ T7704] netlink_unicast+0x449/0x710 [14373.583644][ T7704] netlink_sendmsg+0x723/0xbe0 [14373.583644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14373.583644][ T7704] ___sys_sendmsg+0xee/0x170 [14373.583644][ T7704] __sys_sendmsg+0xcd/0x170 [14373.583644][ T7704] do_syscall_64+0xc6/0x1e0 [14373.583644][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14373.583644][ T7704] [14373.586415][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14373.586415][ T7704] netdev_get_by_index+0x5e/0x80 [14373.586415][ T7704] fib6_nh_init+0x3d8/0x15b0 [14373.586415][ T7704] ip6_route_info_create+0xf18/0x17d0 [14373.586415][ T7704] ip6_route_add+0x1c/0x140 [14373.586415][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14373.586415][ T7704] addrconf_add_dev+0xe2/0x170 [14373.586415][ T7704] inet6_addr_add+0x12f/0xa40 [14373.586415][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14373.586415][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14373.586415][ T7704] netlink_rcv_skb+0x130/0x360 [14373.586415][ T7704] netlink_unicast+0x449/0x710 [14373.586415][ T7704] netlink_sendmsg+0x723/0xbe0 [14373.586415][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14373.586415][ T7704] ___sys_sendmsg+0xee/0x170 [14373.586415][ T7704] __sys_sendmsg+0xcd/0x170 [14373.586415][ T7704] do_syscall_64+0xc6/0x1e0 [14373.586415][ T7704] [14373.588590][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14373.588590][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14373.588590][ T7704] ipv6_find_idev+0x102/0x170 [14373.588590][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14373.588590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14373.588590][ T7704] netlink_rcv_skb+0x130/0x360 [14373.588590][ T7704] netlink_unicast+0x449/0x710 [14373.588590][ T7704] netlink_sendmsg+0x723/0xbe0 [14373.588590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14373.588590][ T7704] ___sys_sendmsg+0xee/0x170 [14373.588590][ T7704] __sys_sendmsg+0xcd/0x170 [14373.588590][ T7704] do_syscall_64+0xc6/0x1e0 [14373.588590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14373.588590][ T7704] [14373.590307][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14373.590307][ T7704] neigh_parms_alloc+0x1e5/0x510 [14373.590307][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14373.590307][ T7704] ipv6_find_idev+0x102/0x170 [14373.590307][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14373.590307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14373.590307][ T7704] netlink_rcv_skb+0x130/0x360 [14373.590307][ T7704] netlink_unicast+0x449/0x710 [14373.590307][ T7704] netlink_sendmsg+0x723/0xbe0 [14373.590307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14373.590307][ T7704] ___sys_sendmsg+0xee/0x170 [14373.590307][ T7704] __sys_sendmsg+0xcd/0x170 [14373.590307][ T7704] do_syscall_64+0xc6/0x1e0 [14373.590307][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14373.590307][ T7704] [14383.708824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14383.709373][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14383.709373][ T7704] netdev_get_by_index+0x5e/0x80 [14383.709373][ T7704] fib6_nh_init+0x3d8/0x15b0 [14383.709373][ T7704] ip6_route_info_create+0xf18/0x17d0 [14383.709373][ T7704] ip6_route_add+0x1c/0x140 [14383.709373][ T7704] addrconf_prefix_route+0x2a6/0x430 [14383.709373][ T7704] inet6_addr_add+0x4f8/0xa40 [14383.709373][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14383.709373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14383.709373][ T7704] netlink_rcv_skb+0x130/0x360 [14383.709373][ T7704] netlink_unicast+0x449/0x710 [14383.709373][ T7704] netlink_sendmsg+0x723/0xbe0 [14383.709373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14383.709373][ T7704] ___sys_sendmsg+0xee/0x170 [14383.709373][ T7704] __sys_sendmsg+0xcd/0x170 [14383.709373][ T7704] do_syscall_64+0xc6/0x1e0 [14383.709373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14383.709373][ T7704] [14383.711650][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14383.711650][ T7704] netdev_get_by_index+0x5e/0x80 [14383.711650][ T7704] fib6_nh_init+0x3d8/0x15b0 [14383.711650][ T7704] ip6_route_info_create+0xf18/0x17d0 [14383.711650][ T7704] addrconf_f6i_alloc+0x315/0x560 [14383.711650][ T7704] ipv6_add_addr+0x411/0x2000 [14383.711650][ T7704] inet6_addr_add+0x30e/0xa40 [14383.711650][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14383.711650][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14383.711650][ T7704] netlink_rcv_skb+0x130/0x360 [14383.711650][ T7704] netlink_unicast+0x449/0x710 [14383.711650][ T7704] netlink_sendmsg+0x723/0xbe0 [14383.711650][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14383.711650][ T7704] ___sys_sendmsg+0xee/0x170 [14383.711650][ T7704] __sys_sendmsg+0xcd/0x170 [14383.711650][ T7704] do_syscall_64+0xc6/0x1e0 [14383.711650][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14383.711650][ T7704] [14383.713894][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14383.713894][ T7704] netdev_get_by_index+0x5e/0x80 [14383.713894][ T7704] fib6_nh_init+0x3d8/0x15b0 [14383.713894][ T7704] ip6_route_info_create+0xf18/0x17d0 [14383.713894][ T7704] ip6_route_add+0x1c/0x140 [14383.713894][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14383.713894][ T7704] addrconf_add_dev+0xe2/0x170 [14383.713894][ T7704] inet6_addr_add+0x12f/0xa40 [14383.713894][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14383.713894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14383.713894][ T7704] netlink_rcv_skb+0x130/0x360 [14383.713894][ T7704] netlink_unicast+0x449/0x710 [14383.713894][ T7704] netlink_sendmsg+0x723/0xbe0 [14383.713894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14383.713894][ T7704] ___sys_sendmsg+0xee/0x170 [14383.713894][ T7704] __sys_sendmsg+0xcd/0x170 [14383.713894][ T7704] do_syscall_64+0xc6/0x1e0 [14383.713894][ T7704] [14383.716097][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14383.716097][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14383.716097][ T7704] ipv6_find_idev+0x102/0x170 [14383.716097][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14383.716097][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14383.716097][ T7704] netlink_rcv_skb+0x130/0x360 [14383.716097][ T7704] netlink_unicast+0x449/0x710 [14383.716097][ T7704] netlink_sendmsg+0x723/0xbe0 [14383.716097][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14383.716097][ T7704] ___sys_sendmsg+0xee/0x170 [14383.716097][ T7704] __sys_sendmsg+0xcd/0x170 [14383.716097][ T7704] do_syscall_64+0xc6/0x1e0 [14383.716097][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14383.716097][ T7704] [14383.717813][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14383.717813][ T7704] neigh_parms_alloc+0x1e5/0x510 [14383.717813][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14383.717813][ T7704] ipv6_find_idev+0x102/0x170 [14383.717813][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14383.717813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14383.717813][ T7704] netlink_rcv_skb+0x130/0x360 [14383.717813][ T7704] netlink_unicast+0x449/0x710 [14383.717813][ T7704] netlink_sendmsg+0x723/0xbe0 [14383.717813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14383.717813][ T7704] ___sys_sendmsg+0xee/0x170 [14383.717813][ T7704] __sys_sendmsg+0xcd/0x170 [14383.717813][ T7704] do_syscall_64+0xc6/0x1e0 [14383.717813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14383.717813][ T7704] [14393.932842][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14393.933399][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14393.933399][ T7704] netdev_get_by_index+0x5e/0x80 [14393.933399][ T7704] fib6_nh_init+0x3d8/0x15b0 [14393.933399][ T7704] ip6_route_info_create+0xf18/0x17d0 [14393.933399][ T7704] ip6_route_add+0x1c/0x140 [14393.933399][ T7704] addrconf_prefix_route+0x2a6/0x430 [14393.933399][ T7704] inet6_addr_add+0x4f8/0xa40 [14393.933399][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14393.933399][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14393.933399][ T7704] netlink_rcv_skb+0x130/0x360 [14393.933399][ T7704] netlink_unicast+0x449/0x710 [14393.933399][ T7704] netlink_sendmsg+0x723/0xbe0 [14393.933399][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14393.933399][ T7704] ___sys_sendmsg+0xee/0x170 [14393.933399][ T7704] __sys_sendmsg+0xcd/0x170 [14393.933399][ T7704] do_syscall_64+0xc6/0x1e0 [14393.933399][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14393.933399][ T7704] [14393.935678][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14393.935678][ T7704] netdev_get_by_index+0x5e/0x80 [14393.935678][ T7704] fib6_nh_init+0x3d8/0x15b0 [14393.935678][ T7704] ip6_route_info_create+0xf18/0x17d0 [14393.935678][ T7704] addrconf_f6i_alloc+0x315/0x560 [14393.935678][ T7704] ipv6_add_addr+0x411/0x2000 [14393.935678][ T7704] inet6_addr_add+0x30e/0xa40 [14393.935678][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14393.935678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14393.935678][ T7704] netlink_rcv_skb+0x130/0x360 [14393.935678][ T7704] netlink_unicast+0x449/0x710 [14393.935678][ T7704] netlink_sendmsg+0x723/0xbe0 [14393.935678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14393.935678][ T7704] ___sys_sendmsg+0xee/0x170 [14393.935678][ T7704] __sys_sendmsg+0xcd/0x170 [14393.935678][ T7704] do_syscall_64+0xc6/0x1e0 [14393.935678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14393.935678][ T7704] [14393.937926][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14393.937926][ T7704] netdev_get_by_index+0x5e/0x80 [14393.937926][ T7704] fib6_nh_init+0x3d8/0x15b0 [14393.937926][ T7704] ip6_route_info_create+0xf18/0x17d0 [14393.937926][ T7704] ip6_route_add+0x1c/0x140 [14393.937926][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14393.937926][ T7704] addrconf_add_dev+0xe2/0x170 [14393.937926][ T7704] inet6_addr_add+0x12f/0xa40 [14393.937926][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14393.937926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14393.937926][ T7704] netlink_rcv_skb+0x130/0x360 [14393.937926][ T7704] netlink_unicast+0x449/0x710 [14393.937926][ T7704] netlink_sendmsg+0x723/0xbe0 [14393.937926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14393.937926][ T7704] ___sys_sendmsg+0xee/0x170 [14393.937926][ T7704] __sys_sendmsg+0xcd/0x170 [14393.937926][ T7704] do_syscall_64+0xc6/0x1e0 [14393.937926][ T7704] [14393.940121][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14393.940121][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14393.940121][ T7704] ipv6_find_idev+0x102/0x170 [14393.940121][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14393.940121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14393.940121][ T7704] netlink_rcv_skb+0x130/0x360 [14393.940121][ T7704] netlink_unicast+0x449/0x710 [14393.940121][ T7704] netlink_sendmsg+0x723/0xbe0 [14393.940121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14393.940121][ T7704] ___sys_sendmsg+0xee/0x170 [14393.940121][ T7704] __sys_sendmsg+0xcd/0x170 [14393.940121][ T7704] do_syscall_64+0xc6/0x1e0 [14393.940121][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14393.940121][ T7704] [14393.942379][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14393.942379][ T7704] neigh_parms_alloc+0x1e5/0x510 [14393.942379][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14393.942379][ T7704] ipv6_find_idev+0x102/0x170 [14393.942379][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14393.942379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14393.942379][ T7704] netlink_rcv_skb+0x130/0x360 [14393.942379][ T7704] netlink_unicast+0x449/0x710 [14393.942379][ T7704] netlink_sendmsg+0x723/0xbe0 [14393.942379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14393.942379][ T7704] ___sys_sendmsg+0xee/0x170 [14393.942379][ T7704] __sys_sendmsg+0xcd/0x170 [14393.942379][ T7704] do_syscall_64+0xc6/0x1e0 [14393.942379][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14393.942379][ T7704] [14403.956735][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14403.957252][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14403.957252][ T7704] netdev_get_by_index+0x5e/0x80 [14403.957252][ T7704] fib6_nh_init+0x3d8/0x15b0 [14403.957252][ T7704] ip6_route_info_create+0xf18/0x17d0 [14403.957252][ T7704] ip6_route_add+0x1c/0x140 [14403.957252][ T7704] addrconf_prefix_route+0x2a6/0x430 [14403.957252][ T7704] inet6_addr_add+0x4f8/0xa40 [14403.957252][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14403.957252][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14403.957252][ T7704] netlink_rcv_skb+0x130/0x360 [14403.957252][ T7704] netlink_unicast+0x449/0x710 [14403.957252][ T7704] netlink_sendmsg+0x723/0xbe0 [14403.957252][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14403.957252][ T7704] ___sys_sendmsg+0xee/0x170 [14403.957252][ T7704] __sys_sendmsg+0xcd/0x170 [14403.957252][ T7704] do_syscall_64+0xc6/0x1e0 [14403.957252][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14403.957252][ T7704] [14403.959528][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14403.959528][ T7704] netdev_get_by_index+0x5e/0x80 [14403.959528][ T7704] fib6_nh_init+0x3d8/0x15b0 [14403.959528][ T7704] ip6_route_info_create+0xf18/0x17d0 [14403.959528][ T7704] addrconf_f6i_alloc+0x315/0x560 [14403.959528][ T7704] ipv6_add_addr+0x411/0x2000 [14403.959528][ T7704] inet6_addr_add+0x30e/0xa40 [14403.959528][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14403.959528][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14403.959528][ T7704] netlink_rcv_skb+0x130/0x360 [14403.959528][ T7704] netlink_unicast+0x449/0x710 [14403.959528][ T7704] netlink_sendmsg+0x723/0xbe0 [14403.959528][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14403.959528][ T7704] ___sys_sendmsg+0xee/0x170 [14403.959528][ T7704] __sys_sendmsg+0xcd/0x170 [14403.959528][ T7704] do_syscall_64+0xc6/0x1e0 [14403.959528][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14403.959528][ T7704] [14403.961766][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14403.961766][ T7704] netdev_get_by_index+0x5e/0x80 [14403.961766][ T7704] fib6_nh_init+0x3d8/0x15b0 [14403.961766][ T7704] ip6_route_info_create+0xf18/0x17d0 [14403.961766][ T7704] ip6_route_add+0x1c/0x140 [14403.961766][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14403.961766][ T7704] addrconf_add_dev+0xe2/0x170 [14403.961766][ T7704] inet6_addr_add+0x12f/0xa40 [14403.961766][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14403.961766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14403.961766][ T7704] netlink_rcv_skb+0x130/0x360 [14403.961766][ T7704] netlink_unicast+0x449/0x710 [14403.961766][ T7704] netlink_sendmsg+0x723/0xbe0 [14403.961766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14403.961766][ T7704] ___sys_sendmsg+0xee/0x170 [14403.961766][ T7704] __sys_sendmsg+0xcd/0x170 [14403.961766][ T7704] do_syscall_64+0xc6/0x1e0 [14403.961766][ T7704] [14403.964060][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14403.964060][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14403.964060][ T7704] ipv6_find_idev+0x102/0x170 [14403.964060][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14403.964060][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14403.964060][ T7704] netlink_rcv_skb+0x130/0x360 [14403.964060][ T7704] netlink_unicast+0x449/0x710 [14403.964060][ T7704] netlink_sendmsg+0x723/0xbe0 [14403.964060][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14403.964060][ T7704] ___sys_sendmsg+0xee/0x170 [14403.964060][ T7704] __sys_sendmsg+0xcd/0x170 [14403.964060][ T7704] do_syscall_64+0xc6/0x1e0 [14403.964060][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14403.964060][ T7704] [14403.965776][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14403.965776][ T7704] neigh_parms_alloc+0x1e5/0x510 [14403.965776][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14403.965776][ T7704] ipv6_find_idev+0x102/0x170 [14403.965776][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14403.965776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14403.965776][ T7704] netlink_rcv_skb+0x130/0x360 [14403.965776][ T7704] netlink_unicast+0x449/0x710 [14403.965776][ T7704] netlink_sendmsg+0x723/0xbe0 [14403.965776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14403.965776][ T7704] ___sys_sendmsg+0xee/0x170 [14403.965776][ T7704] __sys_sendmsg+0xcd/0x170 [14403.965776][ T7704] do_syscall_64+0xc6/0x1e0 [14403.965776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14403.965776][ T7704] [14414.164816][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14414.165280][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14414.165280][ T7704] netdev_get_by_index+0x5e/0x80 [14414.165280][ T7704] fib6_nh_init+0x3d8/0x15b0 [14414.165280][ T7704] ip6_route_info_create+0xf18/0x17d0 [14414.165280][ T7704] ip6_route_add+0x1c/0x140 [14414.165280][ T7704] addrconf_prefix_route+0x2a6/0x430 [14414.165280][ T7704] inet6_addr_add+0x4f8/0xa40 [14414.165280][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14414.165280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14414.165280][ T7704] netlink_rcv_skb+0x130/0x360 [14414.165280][ T7704] netlink_unicast+0x449/0x710 [14414.165280][ T7704] netlink_sendmsg+0x723/0xbe0 [14414.165280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14414.165280][ T7704] ___sys_sendmsg+0xee/0x170 [14414.165280][ T7704] __sys_sendmsg+0xcd/0x170 [14414.165280][ T7704] do_syscall_64+0xc6/0x1e0 [14414.165280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14414.165280][ T7704] [14414.167535][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14414.167535][ T7704] netdev_get_by_index+0x5e/0x80 [14414.167535][ T7704] fib6_nh_init+0x3d8/0x15b0 [14414.167535][ T7704] ip6_route_info_create+0xf18/0x17d0 [14414.167535][ T7704] addrconf_f6i_alloc+0x315/0x560 [14414.167535][ T7704] ipv6_add_addr+0x411/0x2000 [14414.167535][ T7704] inet6_addr_add+0x30e/0xa40 [14414.167535][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14414.167535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14414.167535][ T7704] netlink_rcv_skb+0x130/0x360 [14414.167535][ T7704] netlink_unicast+0x449/0x710 [14414.167535][ T7704] netlink_sendmsg+0x723/0xbe0 [14414.167535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14414.167535][ T7704] ___sys_sendmsg+0xee/0x170 [14414.167535][ T7704] __sys_sendmsg+0xcd/0x170 [14414.167535][ T7704] do_syscall_64+0xc6/0x1e0 [14414.167535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14414.167535][ T7704] [14414.169750][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14414.169750][ T7704] netdev_get_by_index+0x5e/0x80 [14414.169750][ T7704] fib6_nh_init+0x3d8/0x15b0 [14414.169750][ T7704] ip6_route_info_create+0xf18/0x17d0 [14414.169750][ T7704] ip6_route_add+0x1c/0x140 [14414.169750][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14414.169750][ T7704] addrconf_add_dev+0xe2/0x170 [14414.169750][ T7704] inet6_addr_add+0x12f/0xa40 [14414.169750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14414.169750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14414.169750][ T7704] netlink_rcv_skb+0x130/0x360 [14414.169750][ T7704] netlink_unicast+0x449/0x710 [14414.169750][ T7704] netlink_sendmsg+0x723/0xbe0 [14414.169750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14414.169750][ T7704] ___sys_sendmsg+0xee/0x170 [14414.169750][ T7704] __sys_sendmsg+0xcd/0x170 [14414.169750][ T7704] do_syscall_64+0xc6/0x1e0 [14414.169750][ T7704] [14414.171937][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14414.171937][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14414.171937][ T7704] ipv6_find_idev+0x102/0x170 [14414.171937][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14414.171937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14414.171937][ T7704] netlink_rcv_skb+0x130/0x360 [14414.171937][ T7704] netlink_unicast+0x449/0x710 [14414.171937][ T7704] netlink_sendmsg+0x723/0xbe0 [14414.171937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14414.171937][ T7704] ___sys_sendmsg+0xee/0x170 [14414.171937][ T7704] __sys_sendmsg+0xcd/0x170 [14414.171937][ T7704] do_syscall_64+0xc6/0x1e0 [14414.171937][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14414.171937][ T7704] [14414.173680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14414.173680][ T7704] neigh_parms_alloc+0x1e5/0x510 [14414.173680][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14414.173680][ T7704] ipv6_find_idev+0x102/0x170 [14414.173680][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14414.173680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14414.173680][ T7704] netlink_rcv_skb+0x130/0x360 [14414.173680][ T7704] netlink_unicast+0x449/0x710 [14414.173680][ T7704] netlink_sendmsg+0x723/0xbe0 [14414.173680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14414.173680][ T7704] ___sys_sendmsg+0xee/0x170 [14414.173680][ T7704] __sys_sendmsg+0xcd/0x170 [14414.173680][ T7704] do_syscall_64+0xc6/0x1e0 [14414.173680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14414.173680][ T7704] [14424.412784][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14424.413412][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14424.413412][ T7704] netdev_get_by_index+0x5e/0x80 [14424.413412][ T7704] fib6_nh_init+0x3d8/0x15b0 [14424.413412][ T7704] ip6_route_info_create+0xf18/0x17d0 [14424.413412][ T7704] ip6_route_add+0x1c/0x140 [14424.413412][ T7704] addrconf_prefix_route+0x2a6/0x430 [14424.413412][ T7704] inet6_addr_add+0x4f8/0xa40 [14424.413412][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14424.413412][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14424.413412][ T7704] netlink_rcv_skb+0x130/0x360 [14424.413412][ T7704] netlink_unicast+0x449/0x710 [14424.413412][ T7704] netlink_sendmsg+0x723/0xbe0 [14424.413412][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14424.413412][ T7704] ___sys_sendmsg+0xee/0x170 [14424.413412][ T7704] __sys_sendmsg+0xcd/0x170 [14424.413412][ T7704] do_syscall_64+0xc6/0x1e0 [14424.413412][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14424.413412][ T7704] [14424.417021][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14424.417021][ T7704] netdev_get_by_index+0x5e/0x80 [14424.417021][ T7704] fib6_nh_init+0x3d8/0x15b0 [14424.417021][ T7704] ip6_route_info_create+0xf18/0x17d0 [14424.417021][ T7704] addrconf_f6i_alloc+0x315/0x560 [14424.417021][ T7704] ipv6_add_addr+0x411/0x2000 [14424.417021][ T7704] inet6_addr_add+0x30e/0xa40 [14424.417021][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14424.417021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14424.417021][ T7704] netlink_rcv_skb+0x130/0x360 [14424.417021][ T7704] netlink_unicast+0x449/0x710 [14424.417021][ T7704] netlink_sendmsg+0x723/0xbe0 [14424.417021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14424.417021][ T7704] ___sys_sendmsg+0xee/0x170 [14424.417021][ T7704] __sys_sendmsg+0xcd/0x170 [14424.417021][ T7704] do_syscall_64+0xc6/0x1e0 [14424.417021][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14424.417021][ T7704] [14424.420668][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14424.420668][ T7704] netdev_get_by_index+0x5e/0x80 [14424.420668][ T7704] fib6_nh_init+0x3d8/0x15b0 [14424.420668][ T7704] ip6_route_info_create+0xf18/0x17d0 [14424.420668][ T7704] ip6_route_add+0x1c/0x140 [14424.420668][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14424.420668][ T7704] addrconf_add_dev+0xe2/0x170 [14424.420668][ T7704] inet6_addr_add+0x12f/0xa40 [14424.420668][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14424.420668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14424.420668][ T7704] netlink_rcv_skb+0x130/0x360 [14424.420668][ T7704] netlink_unicast+0x449/0x710 [14424.420668][ T7704] netlink_sendmsg+0x723/0xbe0 [14424.420668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14424.420668][ T7704] ___sys_sendmsg+0xee/0x170 [14424.420668][ T7704] __sys_sendmsg+0xcd/0x170 [14424.420668][ T7704] do_syscall_64+0xc6/0x1e0 [14424.420668][ T7704] [14424.424239][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14424.424239][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14424.424239][ T7704] ipv6_find_idev+0x102/0x170 [14424.424239][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14424.424239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14424.424239][ T7704] netlink_rcv_skb+0x130/0x360 [14424.424239][ T7704] netlink_unicast+0x449/0x710 [14424.424239][ T7704] netlink_sendmsg+0x723/0xbe0 [14424.424239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14424.424239][ T7704] ___sys_sendmsg+0xee/0x170 [14424.424239][ T7704] __sys_sendmsg+0xcd/0x170 [14424.424239][ T7704] do_syscall_64+0xc6/0x1e0 [14424.424239][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14424.424239][ T7704] [14424.426900][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14424.426900][ T7704] neigh_parms_alloc+0x1e5/0x510 [14424.426900][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14424.426900][ T7704] ipv6_find_idev+0x102/0x170 [14424.426900][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14424.426900][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14424.426900][ T7704] netlink_rcv_skb+0x130/0x360 [14424.426900][ T7704] netlink_unicast+0x449/0x710 [14424.426900][ T7704] netlink_sendmsg+0x723/0xbe0 [14424.426900][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14424.426900][ T7704] ___sys_sendmsg+0xee/0x170 [14424.426900][ T7704] __sys_sendmsg+0xcd/0x170 [14424.426900][ T7704] do_syscall_64+0xc6/0x1e0 [14424.426900][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14424.426900][ T7704] [14434.668805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14434.669307][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14434.669307][ T7704] netdev_get_by_index+0x5e/0x80 [14434.669307][ T7704] fib6_nh_init+0x3d8/0x15b0 [14434.669307][ T7704] ip6_route_info_create+0xf18/0x17d0 [14434.669307][ T7704] ip6_route_add+0x1c/0x140 [14434.669307][ T7704] addrconf_prefix_route+0x2a6/0x430 [14434.669307][ T7704] inet6_addr_add+0x4f8/0xa40 [14434.669307][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14434.669307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14434.669307][ T7704] netlink_rcv_skb+0x130/0x360 [14434.669307][ T7704] netlink_unicast+0x449/0x710 [14434.669307][ T7704] netlink_sendmsg+0x723/0xbe0 [14434.669307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14434.669307][ T7704] ___sys_sendmsg+0xee/0x170 [14434.669307][ T7704] __sys_sendmsg+0xcd/0x170 [14434.669307][ T7704] do_syscall_64+0xc6/0x1e0 [14434.669307][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14434.669307][ T7704] [14434.671596][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14434.671596][ T7704] netdev_get_by_index+0x5e/0x80 [14434.671596][ T7704] fib6_nh_init+0x3d8/0x15b0 [14434.671596][ T7704] ip6_route_info_create+0xf18/0x17d0 [14434.671596][ T7704] addrconf_f6i_alloc+0x315/0x560 [14434.671596][ T7704] ipv6_add_addr+0x411/0x2000 [14434.671596][ T7704] inet6_addr_add+0x30e/0xa40 [14434.671596][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14434.671596][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14434.671596][ T7704] netlink_rcv_skb+0x130/0x360 [14434.671596][ T7704] netlink_unicast+0x449/0x710 [14434.671596][ T7704] netlink_sendmsg+0x723/0xbe0 [14434.671596][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14434.671596][ T7704] ___sys_sendmsg+0xee/0x170 [14434.671596][ T7704] __sys_sendmsg+0xcd/0x170 [14434.671596][ T7704] do_syscall_64+0xc6/0x1e0 [14434.671596][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14434.671596][ T7704] [14434.673856][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14434.673856][ T7704] netdev_get_by_index+0x5e/0x80 [14434.673856][ T7704] fib6_nh_init+0x3d8/0x15b0 [14434.673856][ T7704] ip6_route_info_create+0xf18/0x17d0 [14434.673856][ T7704] ip6_route_add+0x1c/0x140 [14434.673856][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14434.673856][ T7704] addrconf_add_dev+0xe2/0x170 [14434.673856][ T7704] inet6_addr_add+0x12f/0xa40 [14434.673856][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14434.673856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14434.673856][ T7704] netlink_rcv_skb+0x130/0x360 [14434.673856][ T7704] netlink_unicast+0x449/0x710 [14434.673856][ T7704] netlink_sendmsg+0x723/0xbe0 [14434.673856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14434.673856][ T7704] ___sys_sendmsg+0xee/0x170 [14434.673856][ T7704] __sys_sendmsg+0xcd/0x170 [14434.673856][ T7704] do_syscall_64+0xc6/0x1e0 [14434.673856][ T7704] [14434.676097][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14434.676097][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14434.676097][ T7704] ipv6_find_idev+0x102/0x170 [14434.676097][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14434.676097][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14434.676097][ T7704] netlink_rcv_skb+0x130/0x360 [14434.676097][ T7704] netlink_unicast+0x449/0x710 [14434.676097][ T7704] netlink_sendmsg+0x723/0xbe0 [14434.676097][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14434.676097][ T7704] ___sys_sendmsg+0xee/0x170 [14434.676097][ T7704] __sys_sendmsg+0xcd/0x170 [14434.676097][ T7704] do_syscall_64+0xc6/0x1e0 [14434.676097][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14434.676097][ T7704] [14434.677804][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14434.677804][ T7704] neigh_parms_alloc+0x1e5/0x510 [14434.677804][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14434.677804][ T7704] ipv6_find_idev+0x102/0x170 [14434.677804][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14434.677804][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14434.677804][ T7704] netlink_rcv_skb+0x130/0x360 [14434.677804][ T7704] netlink_unicast+0x449/0x710 [14434.677804][ T7704] netlink_sendmsg+0x723/0xbe0 [14434.677804][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14434.677804][ T7704] ___sys_sendmsg+0xee/0x170 [14434.677804][ T7704] __sys_sendmsg+0xcd/0x170 [14434.677804][ T7704] do_syscall_64+0xc6/0x1e0 [14434.677804][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14434.677804][ T7704] [14444.924800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14444.925299][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14444.925299][ T7704] netdev_get_by_index+0x5e/0x80 [14444.925299][ T7704] fib6_nh_init+0x3d8/0x15b0 [14444.925299][ T7704] ip6_route_info_create+0xf18/0x17d0 [14444.925299][ T7704] ip6_route_add+0x1c/0x140 [14444.925299][ T7704] addrconf_prefix_route+0x2a6/0x430 [14444.925299][ T7704] inet6_addr_add+0x4f8/0xa40 [14444.925299][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14444.925299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14444.925299][ T7704] netlink_rcv_skb+0x130/0x360 [14444.925299][ T7704] netlink_unicast+0x449/0x710 [14444.925299][ T7704] netlink_sendmsg+0x723/0xbe0 [14444.925299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14444.925299][ T7704] ___sys_sendmsg+0xee/0x170 [14444.925299][ T7704] __sys_sendmsg+0xcd/0x170 [14444.925299][ T7704] do_syscall_64+0xc6/0x1e0 [14444.925299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14444.925299][ T7704] [14444.927529][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14444.927529][ T7704] netdev_get_by_index+0x5e/0x80 [14444.927529][ T7704] fib6_nh_init+0x3d8/0x15b0 [14444.927529][ T7704] ip6_route_info_create+0xf18/0x17d0 [14444.927529][ T7704] addrconf_f6i_alloc+0x315/0x560 [14444.927529][ T7704] ipv6_add_addr+0x411/0x2000 [14444.927529][ T7704] inet6_addr_add+0x30e/0xa40 [14444.927529][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14444.927529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14444.927529][ T7704] netlink_rcv_skb+0x130/0x360 [14444.927529][ T7704] netlink_unicast+0x449/0x710 [14444.927529][ T7704] netlink_sendmsg+0x723/0xbe0 [14444.927529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14444.927529][ T7704] ___sys_sendmsg+0xee/0x170 [14444.927529][ T7704] __sys_sendmsg+0xcd/0x170 [14444.927529][ T7704] do_syscall_64+0xc6/0x1e0 [14444.927529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14444.927529][ T7704] [14444.929763][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14444.929763][ T7704] netdev_get_by_index+0x5e/0x80 [14444.929763][ T7704] fib6_nh_init+0x3d8/0x15b0 [14444.929763][ T7704] ip6_route_info_create+0xf18/0x17d0 [14444.929763][ T7704] ip6_route_add+0x1c/0x140 [14444.929763][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14444.929763][ T7704] addrconf_add_dev+0xe2/0x170 [14444.929763][ T7704] inet6_addr_add+0x12f/0xa40 [14444.929763][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14444.929763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14444.929763][ T7704] netlink_rcv_skb+0x130/0x360 [14444.929763][ T7704] netlink_unicast+0x449/0x710 [14444.929763][ T7704] netlink_sendmsg+0x723/0xbe0 [14444.929763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14444.929763][ T7704] ___sys_sendmsg+0xee/0x170 [14444.929763][ T7704] __sys_sendmsg+0xcd/0x170 [14444.929763][ T7704] do_syscall_64+0xc6/0x1e0 [14444.929763][ T7704] [14444.931964][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14444.931964][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14444.931964][ T7704] ipv6_find_idev+0x102/0x170 [14444.931964][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14444.931964][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14444.931964][ T7704] netlink_rcv_skb+0x130/0x360 [14444.931964][ T7704] netlink_unicast+0x449/0x710 [14444.931964][ T7704] netlink_sendmsg+0x723/0xbe0 [14444.931964][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14444.931964][ T7704] ___sys_sendmsg+0xee/0x170 [14444.931964][ T7704] __sys_sendmsg+0xcd/0x170 [14444.931964][ T7704] do_syscall_64+0xc6/0x1e0 [14444.931964][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14444.931964][ T7704] [14444.933700][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14444.933700][ T7704] neigh_parms_alloc+0x1e5/0x510 [14444.933700][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14444.933700][ T7704] ipv6_find_idev+0x102/0x170 [14444.933700][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14444.933700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14444.933700][ T7704] netlink_rcv_skb+0x130/0x360 [14444.933700][ T7704] netlink_unicast+0x449/0x710 [14444.933700][ T7704] netlink_sendmsg+0x723/0xbe0 [14444.933700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14444.933700][ T7704] ___sys_sendmsg+0xee/0x170 [14444.933700][ T7704] __sys_sendmsg+0xcd/0x170 [14444.933700][ T7704] do_syscall_64+0xc6/0x1e0 [14444.933700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14444.933700][ T7704] [14455.188876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14455.189353][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14455.189353][ T7704] netdev_get_by_index+0x5e/0x80 [14455.189353][ T7704] fib6_nh_init+0x3d8/0x15b0 [14455.189353][ T7704] ip6_route_info_create+0xf18/0x17d0 [14455.189353][ T7704] ip6_route_add+0x1c/0x140 [14455.189353][ T7704] addrconf_prefix_route+0x2a6/0x430 [14455.189353][ T7704] inet6_addr_add+0x4f8/0xa40 [14455.189353][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14455.189353][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14455.189353][ T7704] netlink_rcv_skb+0x130/0x360 [14455.189353][ T7704] netlink_unicast+0x449/0x710 [14455.189353][ T7704] netlink_sendmsg+0x723/0xbe0 [14455.189353][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14455.189353][ T7704] ___sys_sendmsg+0xee/0x170 [14455.189353][ T7704] __sys_sendmsg+0xcd/0x170 [14455.189353][ T7704] do_syscall_64+0xc6/0x1e0 [14455.189353][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14455.189353][ T7704] [14455.191614][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14455.191614][ T7704] netdev_get_by_index+0x5e/0x80 [14455.191614][ T7704] fib6_nh_init+0x3d8/0x15b0 [14455.191614][ T7704] ip6_route_info_create+0xf18/0x17d0 [14455.191614][ T7704] addrconf_f6i_alloc+0x315/0x560 [14455.191614][ T7704] ipv6_add_addr+0x411/0x2000 [14455.191614][ T7704] inet6_addr_add+0x30e/0xa40 [14455.191614][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14455.191614][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14455.191614][ T7704] netlink_rcv_skb+0x130/0x360 [14455.191614][ T7704] netlink_unicast+0x449/0x710 [14455.191614][ T7704] netlink_sendmsg+0x723/0xbe0 [14455.191614][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14455.191614][ T7704] ___sys_sendmsg+0xee/0x170 [14455.191614][ T7704] __sys_sendmsg+0xcd/0x170 [14455.191614][ T7704] do_syscall_64+0xc6/0x1e0 [14455.191614][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14455.191614][ T7704] [14455.193854][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14455.193854][ T7704] netdev_get_by_index+0x5e/0x80 [14455.193854][ T7704] fib6_nh_init+0x3d8/0x15b0 [14455.193854][ T7704] ip6_route_info_create+0xf18/0x17d0 [14455.193854][ T7704] ip6_route_add+0x1c/0x140 [14455.193854][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14455.193854][ T7704] addrconf_add_dev+0xe2/0x170 [14455.193854][ T7704] inet6_addr_add+0x12f/0xa40 [14455.193854][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14455.193854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14455.193854][ T7704] netlink_rcv_skb+0x130/0x360 [14455.193854][ T7704] netlink_unicast+0x449/0x710 [14455.193854][ T7704] netlink_sendmsg+0x723/0xbe0 [14455.193854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14455.193854][ T7704] ___sys_sendmsg+0xee/0x170 [14455.193854][ T7704] __sys_sendmsg+0xcd/0x170 [14455.193854][ T7704] do_syscall_64+0xc6/0x1e0 [14455.193854][ T7704] [14455.196054][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14455.196054][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14455.196054][ T7704] ipv6_find_idev+0x102/0x170 [14455.196054][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14455.196054][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14455.196054][ T7704] netlink_rcv_skb+0x130/0x360 [14455.196054][ T7704] netlink_unicast+0x449/0x710 [14455.196054][ T7704] netlink_sendmsg+0x723/0xbe0 [14455.196054][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14455.196054][ T7704] ___sys_sendmsg+0xee/0x170 [14455.196054][ T7704] __sys_sendmsg+0xcd/0x170 [14455.196054][ T7704] do_syscall_64+0xc6/0x1e0 [14455.196054][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14455.196054][ T7704] [14455.198319][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14455.198319][ T7704] neigh_parms_alloc+0x1e5/0x510 [14455.198319][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14455.198319][ T7704] ipv6_find_idev+0x102/0x170 [14455.198319][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14455.198319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14455.198319][ T7704] netlink_rcv_skb+0x130/0x360 [14455.198319][ T7704] netlink_unicast+0x449/0x710 [14455.198319][ T7704] netlink_sendmsg+0x723/0xbe0 [14455.198319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14455.198319][ T7704] ___sys_sendmsg+0xee/0x170 [14455.198319][ T7704] __sys_sendmsg+0xcd/0x170 [14455.198319][ T7704] do_syscall_64+0xc6/0x1e0 [14455.198319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14455.198319][ T7704] [14465.236876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14465.237401][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14465.237401][ T7704] netdev_get_by_index+0x5e/0x80 [14465.237401][ T7704] fib6_nh_init+0x3d8/0x15b0 [14465.237401][ T7704] ip6_route_info_create+0xf18/0x17d0 [14465.237401][ T7704] ip6_route_add+0x1c/0x140 [14465.237401][ T7704] addrconf_prefix_route+0x2a6/0x430 [14465.237401][ T7704] inet6_addr_add+0x4f8/0xa40 [14465.237401][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14465.237401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14465.237401][ T7704] netlink_rcv_skb+0x130/0x360 [14465.237401][ T7704] netlink_unicast+0x449/0x710 [14465.237401][ T7704] netlink_sendmsg+0x723/0xbe0 [14465.237401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14465.237401][ T7704] ___sys_sendmsg+0xee/0x170 [14465.237401][ T7704] __sys_sendmsg+0xcd/0x170 [14465.237401][ T7704] do_syscall_64+0xc6/0x1e0 [14465.237401][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14465.237401][ T7704] [14465.239671][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14465.239671][ T7704] netdev_get_by_index+0x5e/0x80 [14465.239671][ T7704] fib6_nh_init+0x3d8/0x15b0 [14465.239671][ T7704] ip6_route_info_create+0xf18/0x17d0 [14465.239671][ T7704] addrconf_f6i_alloc+0x315/0x560 [14465.239671][ T7704] ipv6_add_addr+0x411/0x2000 [14465.239671][ T7704] inet6_addr_add+0x30e/0xa40 [14465.239671][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14465.239671][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14465.239671][ T7704] netlink_rcv_skb+0x130/0x360 [14465.239671][ T7704] netlink_unicast+0x449/0x710 [14465.239671][ T7704] netlink_sendmsg+0x723/0xbe0 [14465.239671][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14465.239671][ T7704] ___sys_sendmsg+0xee/0x170 [14465.239671][ T7704] __sys_sendmsg+0xcd/0x170 [14465.239671][ T7704] do_syscall_64+0xc6/0x1e0 [14465.239671][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14465.239671][ T7704] [14465.241905][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14465.241905][ T7704] netdev_get_by_index+0x5e/0x80 [14465.241905][ T7704] fib6_nh_init+0x3d8/0x15b0 [14465.241905][ T7704] ip6_route_info_create+0xf18/0x17d0 [14465.241905][ T7704] ip6_route_add+0x1c/0x140 [14465.241905][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14465.241905][ T7704] addrconf_add_dev+0xe2/0x170 [14465.241905][ T7704] inet6_addr_add+0x12f/0xa40 [14465.241905][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14465.241905][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14465.241905][ T7704] netlink_rcv_skb+0x130/0x360 [14465.241905][ T7704] netlink_unicast+0x449/0x710 [14465.241905][ T7704] netlink_sendmsg+0x723/0xbe0 [14465.241905][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14465.241905][ T7704] ___sys_sendmsg+0xee/0x170 [14465.241905][ T7704] __sys_sendmsg+0xcd/0x170 [14465.241905][ T7704] do_syscall_64+0xc6/0x1e0 [14465.241905][ T7704] [14465.244151][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14465.244151][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14465.244151][ T7704] ipv6_find_idev+0x102/0x170 [14465.244151][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14465.244151][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14465.244151][ T7704] netlink_rcv_skb+0x130/0x360 [14465.244151][ T7704] netlink_unicast+0x449/0x710 [14465.244151][ T7704] netlink_sendmsg+0x723/0xbe0 [14465.244151][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14465.244151][ T7704] ___sys_sendmsg+0xee/0x170 [14465.244151][ T7704] __sys_sendmsg+0xcd/0x170 [14465.244151][ T7704] do_syscall_64+0xc6/0x1e0 [14465.244151][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14465.244151][ T7704] [14465.245880][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14465.245880][ T7704] neigh_parms_alloc+0x1e5/0x510 [14465.245880][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14465.245880][ T7704] ipv6_find_idev+0x102/0x170 [14465.245880][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14465.245880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14465.245880][ T7704] netlink_rcv_skb+0x130/0x360 [14465.245880][ T7704] netlink_unicast+0x449/0x710 [14465.245880][ T7704] netlink_sendmsg+0x723/0xbe0 [14465.245880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14465.245880][ T7704] ___sys_sendmsg+0xee/0x170 [14465.245880][ T7704] __sys_sendmsg+0xcd/0x170 [14465.245880][ T7704] do_syscall_64+0xc6/0x1e0 [14465.245880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14465.245880][ T7704] [14475.484829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14475.485307][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14475.485307][ T7704] netdev_get_by_index+0x5e/0x80 [14475.485307][ T7704] fib6_nh_init+0x3d8/0x15b0 [14475.485307][ T7704] ip6_route_info_create+0xf18/0x17d0 [14475.485307][ T7704] ip6_route_add+0x1c/0x140 [14475.485307][ T7704] addrconf_prefix_route+0x2a6/0x430 [14475.485307][ T7704] inet6_addr_add+0x4f8/0xa40 [14475.485307][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14475.485307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14475.485307][ T7704] netlink_rcv_skb+0x130/0x360 [14475.485307][ T7704] netlink_unicast+0x449/0x710 [14475.485307][ T7704] netlink_sendmsg+0x723/0xbe0 [14475.485307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14475.485307][ T7704] ___sys_sendmsg+0xee/0x170 [14475.485307][ T7704] __sys_sendmsg+0xcd/0x170 [14475.485307][ T7704] do_syscall_64+0xc6/0x1e0 [14475.485307][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14475.485307][ T7704] [14475.487595][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14475.487595][ T7704] netdev_get_by_index+0x5e/0x80 [14475.487595][ T7704] fib6_nh_init+0x3d8/0x15b0 [14475.487595][ T7704] ip6_route_info_create+0xf18/0x17d0 [14475.487595][ T7704] addrconf_f6i_alloc+0x315/0x560 [14475.487595][ T7704] ipv6_add_addr+0x411/0x2000 [14475.487595][ T7704] inet6_addr_add+0x30e/0xa40 [14475.487595][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14475.487595][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14475.487595][ T7704] netlink_rcv_skb+0x130/0x360 [14475.487595][ T7704] netlink_unicast+0x449/0x710 [14475.487595][ T7704] netlink_sendmsg+0x723/0xbe0 [14475.487595][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14475.487595][ T7704] ___sys_sendmsg+0xee/0x170 [14475.487595][ T7704] __sys_sendmsg+0xcd/0x170 [14475.487595][ T7704] do_syscall_64+0xc6/0x1e0 [14475.487595][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14475.487595][ T7704] [14475.489847][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14475.489847][ T7704] netdev_get_by_index+0x5e/0x80 [14475.489847][ T7704] fib6_nh_init+0x3d8/0x15b0 [14475.489847][ T7704] ip6_route_info_create+0xf18/0x17d0 [14475.489847][ T7704] ip6_route_add+0x1c/0x140 [14475.489847][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14475.489847][ T7704] addrconf_add_dev+0xe2/0x170 [14475.489847][ T7704] inet6_addr_add+0x12f/0xa40 [14475.489847][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14475.489847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14475.489847][ T7704] netlink_rcv_skb+0x130/0x360 [14475.489847][ T7704] netlink_unicast+0x449/0x710 [14475.489847][ T7704] netlink_sendmsg+0x723/0xbe0 [14475.489847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14475.489847][ T7704] ___sys_sendmsg+0xee/0x170 [14475.489847][ T7704] __sys_sendmsg+0xcd/0x170 [14475.489847][ T7704] do_syscall_64+0xc6/0x1e0 [14475.489847][ T7704] [14475.492048][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14475.492048][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14475.492048][ T7704] ipv6_find_idev+0x102/0x170 [14475.492048][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14475.492048][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14475.492048][ T7704] netlink_rcv_skb+0x130/0x360 [14475.492048][ T7704] netlink_unicast+0x449/0x710 [14475.492048][ T7704] netlink_sendmsg+0x723/0xbe0 [14475.492048][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14475.492048][ T7704] ___sys_sendmsg+0xee/0x170 [14475.492048][ T7704] __sys_sendmsg+0xcd/0x170 [14475.492048][ T7704] do_syscall_64+0xc6/0x1e0 [14475.492048][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14475.492048][ T7704] [14475.493781][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14475.493781][ T7704] neigh_parms_alloc+0x1e5/0x510 [14475.493781][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14475.493781][ T7704] ipv6_find_idev+0x102/0x170 [14475.493781][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14475.493781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14475.493781][ T7704] netlink_rcv_skb+0x130/0x360 [14475.493781][ T7704] netlink_unicast+0x449/0x710 [14475.493781][ T7704] netlink_sendmsg+0x723/0xbe0 [14475.493781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14475.493781][ T7704] ___sys_sendmsg+0xee/0x170 [14475.493781][ T7704] __sys_sendmsg+0xcd/0x170 [14475.493781][ T7704] do_syscall_64+0xc6/0x1e0 [14475.493781][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14475.493781][ T7704] [14485.732832][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14485.733370][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14485.733370][ T7704] netdev_get_by_index+0x5e/0x80 [14485.733370][ T7704] fib6_nh_init+0x3d8/0x15b0 [14485.733370][ T7704] ip6_route_info_create+0xf18/0x17d0 [14485.733370][ T7704] ip6_route_add+0x1c/0x140 [14485.733370][ T7704] addrconf_prefix_route+0x2a6/0x430 [14485.733370][ T7704] inet6_addr_add+0x4f8/0xa40 [14485.733370][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14485.733370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14485.733370][ T7704] netlink_rcv_skb+0x130/0x360 [14485.733370][ T7704] netlink_unicast+0x449/0x710 [14485.733370][ T7704] netlink_sendmsg+0x723/0xbe0 [14485.733370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14485.733370][ T7704] ___sys_sendmsg+0xee/0x170 [14485.733370][ T7704] __sys_sendmsg+0xcd/0x170 [14485.733370][ T7704] do_syscall_64+0xc6/0x1e0 [14485.733370][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14485.733370][ T7704] [14485.735630][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14485.735630][ T7704] netdev_get_by_index+0x5e/0x80 [14485.735630][ T7704] fib6_nh_init+0x3d8/0x15b0 [14485.735630][ T7704] ip6_route_info_create+0xf18/0x17d0 [14485.735630][ T7704] addrconf_f6i_alloc+0x315/0x560 [14485.735630][ T7704] ipv6_add_addr+0x411/0x2000 [14485.735630][ T7704] inet6_addr_add+0x30e/0xa40 [14485.735630][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14485.735630][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14485.735630][ T7704] netlink_rcv_skb+0x130/0x360 [14485.735630][ T7704] netlink_unicast+0x449/0x710 [14485.735630][ T7704] netlink_sendmsg+0x723/0xbe0 [14485.735630][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14485.735630][ T7704] ___sys_sendmsg+0xee/0x170 [14485.735630][ T7704] __sys_sendmsg+0xcd/0x170 [14485.735630][ T7704] do_syscall_64+0xc6/0x1e0 [14485.735630][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14485.735630][ T7704] [14485.737908][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14485.737908][ T7704] netdev_get_by_index+0x5e/0x80 [14485.737908][ T7704] fib6_nh_init+0x3d8/0x15b0 [14485.737908][ T7704] ip6_route_info_create+0xf18/0x17d0 [14485.737908][ T7704] ip6_route_add+0x1c/0x140 [14485.737908][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14485.737908][ T7704] addrconf_add_dev+0xe2/0x170 [14485.737908][ T7704] inet6_addr_add+0x12f/0xa40 [14485.737908][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14485.737908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14485.737908][ T7704] netlink_rcv_skb+0x130/0x360 [14485.737908][ T7704] netlink_unicast+0x449/0x710 [14485.737908][ T7704] netlink_sendmsg+0x723/0xbe0 [14485.737908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14485.737908][ T7704] ___sys_sendmsg+0xee/0x170 [14485.737908][ T7704] __sys_sendmsg+0xcd/0x170 [14485.737908][ T7704] do_syscall_64+0xc6/0x1e0 [14485.737908][ T7704] [14485.740096][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14485.740096][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14485.740096][ T7704] ipv6_find_idev+0x102/0x170 [14485.740096][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14485.740096][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14485.740096][ T7704] netlink_rcv_skb+0x130/0x360 [14485.740096][ T7704] netlink_unicast+0x449/0x710 [14485.740096][ T7704] netlink_sendmsg+0x723/0xbe0 [14485.740096][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14485.740096][ T7704] ___sys_sendmsg+0xee/0x170 [14485.740096][ T7704] __sys_sendmsg+0xcd/0x170 [14485.740096][ T7704] do_syscall_64+0xc6/0x1e0 [14485.740096][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14485.740096][ T7704] [14485.741816][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14485.741816][ T7704] neigh_parms_alloc+0x1e5/0x510 [14485.741816][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14485.741816][ T7704] ipv6_find_idev+0x102/0x170 [14485.741816][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14485.741816][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14485.741816][ T7704] netlink_rcv_skb+0x130/0x360 [14485.741816][ T7704] netlink_unicast+0x449/0x710 [14485.741816][ T7704] netlink_sendmsg+0x723/0xbe0 [14485.741816][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14485.741816][ T7704] ___sys_sendmsg+0xee/0x170 [14485.741816][ T7704] __sys_sendmsg+0xcd/0x170 [14485.741816][ T7704] do_syscall_64+0xc6/0x1e0 [14485.741816][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14485.741816][ T7704] [14495.860816][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14495.861296][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14495.861296][ T7704] netdev_get_by_index+0x5e/0x80 [14495.861296][ T7704] fib6_nh_init+0x3d8/0x15b0 [14495.861296][ T7704] ip6_route_info_create+0xf18/0x17d0 [14495.861296][ T7704] ip6_route_add+0x1c/0x140 [14495.861296][ T7704] addrconf_prefix_route+0x2a6/0x430 [14495.861296][ T7704] inet6_addr_add+0x4f8/0xa40 [14495.861296][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14495.861296][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14495.861296][ T7704] netlink_rcv_skb+0x130/0x360 [14495.861296][ T7704] netlink_unicast+0x449/0x710 [14495.861296][ T7704] netlink_sendmsg+0x723/0xbe0 [14495.861296][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14495.861296][ T7704] ___sys_sendmsg+0xee/0x170 [14495.861296][ T7704] __sys_sendmsg+0xcd/0x170 [14495.861296][ T7704] do_syscall_64+0xc6/0x1e0 [14495.861296][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14495.861296][ T7704] [14495.863569][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14495.863569][ T7704] netdev_get_by_index+0x5e/0x80 [14495.863569][ T7704] fib6_nh_init+0x3d8/0x15b0 [14495.863569][ T7704] ip6_route_info_create+0xf18/0x17d0 [14495.863569][ T7704] addrconf_f6i_alloc+0x315/0x560 [14495.863569][ T7704] ipv6_add_addr+0x411/0x2000 [14495.863569][ T7704] inet6_addr_add+0x30e/0xa40 [14495.863569][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14495.863569][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14495.863569][ T7704] netlink_rcv_skb+0x130/0x360 [14495.863569][ T7704] netlink_unicast+0x449/0x710 [14495.863569][ T7704] netlink_sendmsg+0x723/0xbe0 [14495.863569][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14495.863569][ T7704] ___sys_sendmsg+0xee/0x170 [14495.863569][ T7704] __sys_sendmsg+0xcd/0x170 [14495.863569][ T7704] do_syscall_64+0xc6/0x1e0 [14495.863569][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14495.863569][ T7704] [14495.865797][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14495.865797][ T7704] netdev_get_by_index+0x5e/0x80 [14495.865797][ T7704] fib6_nh_init+0x3d8/0x15b0 [14495.865797][ T7704] ip6_route_info_create+0xf18/0x17d0 [14495.865797][ T7704] ip6_route_add+0x1c/0x140 [14495.865797][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14495.865797][ T7704] addrconf_add_dev+0xe2/0x170 [14495.865797][ T7704] inet6_addr_add+0x12f/0xa40 [14495.865797][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14495.865797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14495.865797][ T7704] netlink_rcv_skb+0x130/0x360 [14495.865797][ T7704] netlink_unicast+0x449/0x710 [14495.865797][ T7704] netlink_sendmsg+0x723/0xbe0 [14495.865797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14495.865797][ T7704] ___sys_sendmsg+0xee/0x170 [14495.865797][ T7704] __sys_sendmsg+0xcd/0x170 [14495.865797][ T7704] do_syscall_64+0xc6/0x1e0 [14495.865797][ T7704] [14495.867994][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14495.867994][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14495.867994][ T7704] ipv6_find_idev+0x102/0x170 [14495.867994][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14495.867994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14495.867994][ T7704] netlink_rcv_skb+0x130/0x360 [14495.867994][ T7704] netlink_unicast+0x449/0x710 [14495.867994][ T7704] netlink_sendmsg+0x723/0xbe0 [14495.867994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14495.867994][ T7704] ___sys_sendmsg+0xee/0x170 [14495.867994][ T7704] __sys_sendmsg+0xcd/0x170 [14495.867994][ T7704] do_syscall_64+0xc6/0x1e0 [14495.867994][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14495.867994][ T7704] [14495.869715][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14495.869715][ T7704] neigh_parms_alloc+0x1e5/0x510 [14495.869715][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14495.869715][ T7704] ipv6_find_idev+0x102/0x170 [14495.869715][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14495.869715][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14495.869715][ T7704] netlink_rcv_skb+0x130/0x360 [14495.869715][ T7704] netlink_unicast+0x449/0x710 [14495.869715][ T7704] netlink_sendmsg+0x723/0xbe0 [14495.869715][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14495.869715][ T7704] ___sys_sendmsg+0xee/0x170 [14495.869715][ T7704] __sys_sendmsg+0xcd/0x170 [14495.869715][ T7704] do_syscall_64+0xc6/0x1e0 [14495.869715][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14495.869715][ T7704] [14506.124786][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14506.125239][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14506.125239][ T7704] netdev_get_by_index+0x5e/0x80 [14506.125239][ T7704] fib6_nh_init+0x3d8/0x15b0 [14506.125239][ T7704] ip6_route_info_create+0xf18/0x17d0 [14506.125239][ T7704] ip6_route_add+0x1c/0x140 [14506.125239][ T7704] addrconf_prefix_route+0x2a6/0x430 [14506.125239][ T7704] inet6_addr_add+0x4f8/0xa40 [14506.125239][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14506.125239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14506.125239][ T7704] netlink_rcv_skb+0x130/0x360 [14506.125239][ T7704] netlink_unicast+0x449/0x710 [14506.125239][ T7704] netlink_sendmsg+0x723/0xbe0 [14506.125239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14506.125239][ T7704] ___sys_sendmsg+0xee/0x170 [14506.125239][ T7704] __sys_sendmsg+0xcd/0x170 [14506.125239][ T7704] do_syscall_64+0xc6/0x1e0 [14506.125239][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14506.125239][ T7704] [14506.127485][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14506.127485][ T7704] netdev_get_by_index+0x5e/0x80 [14506.127485][ T7704] fib6_nh_init+0x3d8/0x15b0 [14506.127485][ T7704] ip6_route_info_create+0xf18/0x17d0 [14506.127485][ T7704] addrconf_f6i_alloc+0x315/0x560 [14506.127485][ T7704] ipv6_add_addr+0x411/0x2000 [14506.127485][ T7704] inet6_addr_add+0x30e/0xa40 [14506.127485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14506.127485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14506.127485][ T7704] netlink_rcv_skb+0x130/0x360 [14506.127485][ T7704] netlink_unicast+0x449/0x710 [14506.127485][ T7704] netlink_sendmsg+0x723/0xbe0 [14506.127485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14506.127485][ T7704] ___sys_sendmsg+0xee/0x170 [14506.127485][ T7704] __sys_sendmsg+0xcd/0x170 [14506.127485][ T7704] do_syscall_64+0xc6/0x1e0 [14506.127485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14506.127485][ T7704] [14506.129695][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14506.129695][ T7704] netdev_get_by_index+0x5e/0x80 [14506.129695][ T7704] fib6_nh_init+0x3d8/0x15b0 [14506.129695][ T7704] ip6_route_info_create+0xf18/0x17d0 [14506.129695][ T7704] ip6_route_add+0x1c/0x140 [14506.129695][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14506.129695][ T7704] addrconf_add_dev+0xe2/0x170 [14506.129695][ T7704] inet6_addr_add+0x12f/0xa40 [14506.129695][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14506.129695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14506.129695][ T7704] netlink_rcv_skb+0x130/0x360 [14506.129695][ T7704] netlink_unicast+0x449/0x710 [14506.129695][ T7704] netlink_sendmsg+0x723/0xbe0 [14506.129695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14506.129695][ T7704] ___sys_sendmsg+0xee/0x170 [14506.129695][ T7704] __sys_sendmsg+0xcd/0x170 [14506.129695][ T7704] do_syscall_64+0xc6/0x1e0 [14506.129695][ T7704] [14506.131864][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14506.131864][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14506.131864][ T7704] ipv6_find_idev+0x102/0x170 [14506.131864][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14506.131864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14506.131864][ T7704] netlink_rcv_skb+0x130/0x360 [14506.131864][ T7704] netlink_unicast+0x449/0x710 [14506.131864][ T7704] netlink_sendmsg+0x723/0xbe0 [14506.131864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14506.131864][ T7704] ___sys_sendmsg+0xee/0x170 [14506.131864][ T7704] __sys_sendmsg+0xcd/0x170 [14506.131864][ T7704] do_syscall_64+0xc6/0x1e0 [14506.131864][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14506.131864][ T7704] [14506.133581][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14506.133581][ T7704] neigh_parms_alloc+0x1e5/0x510 [14506.133581][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14506.133581][ T7704] ipv6_find_idev+0x102/0x170 [14506.133581][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14506.133581][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14506.133581][ T7704] netlink_rcv_skb+0x130/0x360 [14506.133581][ T7704] netlink_unicast+0x449/0x710 [14506.133581][ T7704] netlink_sendmsg+0x723/0xbe0 [14506.133581][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14506.133581][ T7704] ___sys_sendmsg+0xee/0x170 [14506.133581][ T7704] __sys_sendmsg+0xcd/0x170 [14506.133581][ T7704] do_syscall_64+0xc6/0x1e0 [14506.133581][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14506.133581][ T7704] [14516.372869][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14516.373488][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14516.373488][ T7704] netdev_get_by_index+0x5e/0x80 [14516.373488][ T7704] fib6_nh_init+0x3d8/0x15b0 [14516.373488][ T7704] ip6_route_info_create+0xf18/0x17d0 [14516.373488][ T7704] ip6_route_add+0x1c/0x140 [14516.373488][ T7704] addrconf_prefix_route+0x2a6/0x430 [14516.373488][ T7704] inet6_addr_add+0x4f8/0xa40 [14516.373488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14516.373488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14516.373488][ T7704] netlink_rcv_skb+0x130/0x360 [14516.373488][ T7704] netlink_unicast+0x449/0x710 [14516.373488][ T7704] netlink_sendmsg+0x723/0xbe0 [14516.373488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14516.373488][ T7704] ___sys_sendmsg+0xee/0x170 [14516.373488][ T7704] __sys_sendmsg+0xcd/0x170 [14516.373488][ T7704] do_syscall_64+0xc6/0x1e0 [14516.373488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14516.373488][ T7704] [14516.375807][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14516.375807][ T7704] netdev_get_by_index+0x5e/0x80 [14516.375807][ T7704] fib6_nh_init+0x3d8/0x15b0 [14516.375807][ T7704] ip6_route_info_create+0xf18/0x17d0 [14516.375807][ T7704] addrconf_f6i_alloc+0x315/0x560 [14516.375807][ T7704] ipv6_add_addr+0x411/0x2000 [14516.375807][ T7704] inet6_addr_add+0x30e/0xa40 [14516.375807][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14516.375807][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14516.375807][ T7704] netlink_rcv_skb+0x130/0x360 [14516.375807][ T7704] netlink_unicast+0x449/0x710 [14516.375807][ T7704] netlink_sendmsg+0x723/0xbe0 [14516.375807][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14516.375807][ T7704] ___sys_sendmsg+0xee/0x170 [14516.375807][ T7704] __sys_sendmsg+0xcd/0x170 [14516.375807][ T7704] do_syscall_64+0xc6/0x1e0 [14516.375807][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14516.375807][ T7704] [14516.378594][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14516.378594][ T7704] netdev_get_by_index+0x5e/0x80 [14516.378594][ T7704] fib6_nh_init+0x3d8/0x15b0 [14516.378594][ T7704] ip6_route_info_create+0xf18/0x17d0 [14516.378594][ T7704] ip6_route_add+0x1c/0x140 [14516.378594][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14516.378594][ T7704] addrconf_add_dev+0xe2/0x170 [14516.378594][ T7704] inet6_addr_add+0x12f/0xa40 [14516.378594][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14516.378594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14516.378594][ T7704] netlink_rcv_skb+0x130/0x360 [14516.378594][ T7704] netlink_unicast+0x449/0x710 [14516.378594][ T7704] netlink_sendmsg+0x723/0xbe0 [14516.378594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14516.378594][ T7704] ___sys_sendmsg+0xee/0x170 [14516.378594][ T7704] __sys_sendmsg+0xcd/0x170 [14516.378594][ T7704] do_syscall_64+0xc6/0x1e0 [14516.378594][ T7704] [14516.380790][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14516.380790][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14516.380790][ T7704] ipv6_find_idev+0x102/0x170 [14516.380790][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14516.380790][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14516.380790][ T7704] netlink_rcv_skb+0x130/0x360 [14516.380790][ T7704] netlink_unicast+0x449/0x710 [14516.380790][ T7704] netlink_sendmsg+0x723/0xbe0 [14516.380790][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14516.380790][ T7704] ___sys_sendmsg+0xee/0x170 [14516.380790][ T7704] __sys_sendmsg+0xcd/0x170 [14516.380790][ T7704] do_syscall_64+0xc6/0x1e0 [14516.380790][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14516.380790][ T7704] [14516.382487][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14516.382487][ T7704] neigh_parms_alloc+0x1e5/0x510 [14516.382487][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14516.382487][ T7704] ipv6_find_idev+0x102/0x170 [14516.382487][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14516.382487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14516.382487][ T7704] netlink_rcv_skb+0x130/0x360 [14516.382487][ T7704] netlink_unicast+0x449/0x710 [14516.382487][ T7704] netlink_sendmsg+0x723/0xbe0 [14516.382487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14516.382487][ T7704] ___sys_sendmsg+0xee/0x170 [14516.382487][ T7704] __sys_sendmsg+0xcd/0x170 [14516.382487][ T7704] do_syscall_64+0xc6/0x1e0 [14516.382487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14516.382487][ T7704] [14526.620879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14526.621333][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14526.621333][ T7704] netdev_get_by_index+0x5e/0x80 [14526.621333][ T7704] fib6_nh_init+0x3d8/0x15b0 [14526.621333][ T7704] ip6_route_info_create+0xf18/0x17d0 [14526.621333][ T7704] ip6_route_add+0x1c/0x140 [14526.621333][ T7704] addrconf_prefix_route+0x2a6/0x430 [14526.621333][ T7704] inet6_addr_add+0x4f8/0xa40 [14526.621333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14526.621333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14526.621333][ T7704] netlink_rcv_skb+0x130/0x360 [14526.621333][ T7704] netlink_unicast+0x449/0x710 [14526.621333][ T7704] netlink_sendmsg+0x723/0xbe0 [14526.621333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14526.621333][ T7704] ___sys_sendmsg+0xee/0x170 [14526.621333][ T7704] __sys_sendmsg+0xcd/0x170 [14526.621333][ T7704] do_syscall_64+0xc6/0x1e0 [14526.621333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14526.621333][ T7704] [14526.623591][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14526.623591][ T7704] netdev_get_by_index+0x5e/0x80 [14526.623591][ T7704] fib6_nh_init+0x3d8/0x15b0 [14526.623591][ T7704] ip6_route_info_create+0xf18/0x17d0 [14526.623591][ T7704] addrconf_f6i_alloc+0x315/0x560 [14526.623591][ T7704] ipv6_add_addr+0x411/0x2000 [14526.623591][ T7704] inet6_addr_add+0x30e/0xa40 [14526.623591][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14526.623591][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14526.623591][ T7704] netlink_rcv_skb+0x130/0x360 [14526.623591][ T7704] netlink_unicast+0x449/0x710 [14526.623591][ T7704] netlink_sendmsg+0x723/0xbe0 [14526.623591][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14526.623591][ T7704] ___sys_sendmsg+0xee/0x170 [14526.623591][ T7704] __sys_sendmsg+0xcd/0x170 [14526.623591][ T7704] do_syscall_64+0xc6/0x1e0 [14526.623591][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14526.623591][ T7704] [14526.625788][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14526.625788][ T7704] netdev_get_by_index+0x5e/0x80 [14526.625788][ T7704] fib6_nh_init+0x3d8/0x15b0 [14526.625788][ T7704] ip6_route_info_create+0xf18/0x17d0 [14526.625788][ T7704] ip6_route_add+0x1c/0x140 [14526.625788][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14526.625788][ T7704] addrconf_add_dev+0xe2/0x170 [14526.625788][ T7704] inet6_addr_add+0x12f/0xa40 [14526.625788][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14526.625788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14526.625788][ T7704] netlink_rcv_skb+0x130/0x360 [14526.625788][ T7704] netlink_unicast+0x449/0x710 [14526.625788][ T7704] netlink_sendmsg+0x723/0xbe0 [14526.625788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14526.625788][ T7704] ___sys_sendmsg+0xee/0x170 [14526.625788][ T7704] __sys_sendmsg+0xcd/0x170 [14526.625788][ T7704] do_syscall_64+0xc6/0x1e0 [14526.625788][ T7704] [14526.627967][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14526.627967][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14526.627967][ T7704] ipv6_find_idev+0x102/0x170 [14526.627967][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14526.627967][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14526.627967][ T7704] netlink_rcv_skb+0x130/0x360 [14526.627967][ T7704] netlink_unicast+0x449/0x710 [14526.627967][ T7704] netlink_sendmsg+0x723/0xbe0 [14526.627967][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14526.627967][ T7704] ___sys_sendmsg+0xee/0x170 [14526.627967][ T7704] __sys_sendmsg+0xcd/0x170 [14526.627967][ T7704] do_syscall_64+0xc6/0x1e0 [14526.627967][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14526.627967][ T7704] [14526.629661][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14526.629661][ T7704] neigh_parms_alloc+0x1e5/0x510 [14526.629661][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14526.629661][ T7704] ipv6_find_idev+0x102/0x170 [14526.629661][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14526.629661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14526.629661][ T7704] netlink_rcv_skb+0x130/0x360 [14526.629661][ T7704] netlink_unicast+0x449/0x710 [14526.629661][ T7704] netlink_sendmsg+0x723/0xbe0 [14526.629661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14526.629661][ T7704] ___sys_sendmsg+0xee/0x170 [14526.629661][ T7704] __sys_sendmsg+0xcd/0x170 [14526.629661][ T7704] do_syscall_64+0xc6/0x1e0 [14526.629661][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14526.629661][ T7704] [14536.868803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14536.869275][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14536.869275][ T7704] netdev_get_by_index+0x5e/0x80 [14536.869275][ T7704] fib6_nh_init+0x3d8/0x15b0 [14536.869275][ T7704] ip6_route_info_create+0xf18/0x17d0 [14536.869275][ T7704] ip6_route_add+0x1c/0x140 [14536.869275][ T7704] addrconf_prefix_route+0x2a6/0x430 [14536.869275][ T7704] inet6_addr_add+0x4f8/0xa40 [14536.869275][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14536.869275][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14536.869275][ T7704] netlink_rcv_skb+0x130/0x360 [14536.869275][ T7704] netlink_unicast+0x449/0x710 [14536.869275][ T7704] netlink_sendmsg+0x723/0xbe0 [14536.869275][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14536.869275][ T7704] ___sys_sendmsg+0xee/0x170 [14536.869275][ T7704] __sys_sendmsg+0xcd/0x170 [14536.869275][ T7704] do_syscall_64+0xc6/0x1e0 [14536.869275][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14536.869275][ T7704] [14536.871629][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14536.871629][ T7704] netdev_get_by_index+0x5e/0x80 [14536.871629][ T7704] fib6_nh_init+0x3d8/0x15b0 [14536.871629][ T7704] ip6_route_info_create+0xf18/0x17d0 [14536.871629][ T7704] addrconf_f6i_alloc+0x315/0x560 [14536.871629][ T7704] ipv6_add_addr+0x411/0x2000 [14536.871629][ T7704] inet6_addr_add+0x30e/0xa40 [14536.871629][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14536.871629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14536.871629][ T7704] netlink_rcv_skb+0x130/0x360 [14536.871629][ T7704] netlink_unicast+0x449/0x710 [14536.871629][ T7704] netlink_sendmsg+0x723/0xbe0 [14536.871629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14536.871629][ T7704] ___sys_sendmsg+0xee/0x170 [14536.871629][ T7704] __sys_sendmsg+0xcd/0x170 [14536.871629][ T7704] do_syscall_64+0xc6/0x1e0 [14536.871629][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14536.871629][ T7704] [14536.873888][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14536.873888][ T7704] netdev_get_by_index+0x5e/0x80 [14536.873888][ T7704] fib6_nh_init+0x3d8/0x15b0 [14536.873888][ T7704] ip6_route_info_create+0xf18/0x17d0 [14536.873888][ T7704] ip6_route_add+0x1c/0x140 [14536.873888][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14536.873888][ T7704] addrconf_add_dev+0xe2/0x170 [14536.873888][ T7704] inet6_addr_add+0x12f/0xa40 [14536.873888][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14536.873888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14536.873888][ T7704] netlink_rcv_skb+0x130/0x360 [14536.873888][ T7704] netlink_unicast+0x449/0x710 [14536.873888][ T7704] netlink_sendmsg+0x723/0xbe0 [14536.873888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14536.873888][ T7704] ___sys_sendmsg+0xee/0x170 [14536.873888][ T7704] __sys_sendmsg+0xcd/0x170 [14536.873888][ T7704] do_syscall_64+0xc6/0x1e0 [14536.873888][ T7704] [14536.876077][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14536.876077][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14536.876077][ T7704] ipv6_find_idev+0x102/0x170 [14536.876077][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14536.876077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14536.876077][ T7704] netlink_rcv_skb+0x130/0x360 [14536.876077][ T7704] netlink_unicast+0x449/0x710 [14536.876077][ T7704] netlink_sendmsg+0x723/0xbe0 [14536.876077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14536.876077][ T7704] ___sys_sendmsg+0xee/0x170 [14536.876077][ T7704] __sys_sendmsg+0xcd/0x170 [14536.876077][ T7704] do_syscall_64+0xc6/0x1e0 [14536.876077][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14536.876077][ T7704] [14536.877850][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14536.877850][ T7704] neigh_parms_alloc+0x1e5/0x510 [14536.877850][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14536.877850][ T7704] ipv6_find_idev+0x102/0x170 [14536.877850][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14536.877850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14536.877850][ T7704] netlink_rcv_skb+0x130/0x360 [14536.877850][ T7704] netlink_unicast+0x449/0x710 [14536.877850][ T7704] netlink_sendmsg+0x723/0xbe0 [14536.877850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14536.877850][ T7704] ___sys_sendmsg+0xee/0x170 [14536.877850][ T7704] __sys_sendmsg+0xcd/0x170 [14536.877850][ T7704] do_syscall_64+0xc6/0x1e0 [14536.877850][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14536.877850][ T7704] [14547.116779][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14547.117308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14547.117308][ T7704] netdev_get_by_index+0x5e/0x80 [14547.117308][ T7704] fib6_nh_init+0x3d8/0x15b0 [14547.117308][ T7704] ip6_route_info_create+0xf18/0x17d0 [14547.117308][ T7704] ip6_route_add+0x1c/0x140 [14547.117308][ T7704] addrconf_prefix_route+0x2a6/0x430 [14547.117308][ T7704] inet6_addr_add+0x4f8/0xa40 [14547.117308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14547.117308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14547.117308][ T7704] netlink_rcv_skb+0x130/0x360 [14547.117308][ T7704] netlink_unicast+0x449/0x710 [14547.117308][ T7704] netlink_sendmsg+0x723/0xbe0 [14547.117308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14547.117308][ T7704] ___sys_sendmsg+0xee/0x170 [14547.117308][ T7704] __sys_sendmsg+0xcd/0x170 [14547.117308][ T7704] do_syscall_64+0xc6/0x1e0 [14547.117308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14547.117308][ T7704] [14547.119628][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14547.119628][ T7704] netdev_get_by_index+0x5e/0x80 [14547.119628][ T7704] fib6_nh_init+0x3d8/0x15b0 [14547.119628][ T7704] ip6_route_info_create+0xf18/0x17d0 [14547.119628][ T7704] addrconf_f6i_alloc+0x315/0x560 [14547.119628][ T7704] ipv6_add_addr+0x411/0x2000 [14547.119628][ T7704] inet6_addr_add+0x30e/0xa40 [14547.119628][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14547.119628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14547.119628][ T7704] netlink_rcv_skb+0x130/0x360 [14547.119628][ T7704] netlink_unicast+0x449/0x710 [14547.119628][ T7704] netlink_sendmsg+0x723/0xbe0 [14547.119628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14547.119628][ T7704] ___sys_sendmsg+0xee/0x170 [14547.119628][ T7704] __sys_sendmsg+0xcd/0x170 [14547.119628][ T7704] do_syscall_64+0xc6/0x1e0 [14547.119628][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14547.119628][ T7704] [14547.121908][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14547.121908][ T7704] netdev_get_by_index+0x5e/0x80 [14547.121908][ T7704] fib6_nh_init+0x3d8/0x15b0 [14547.121908][ T7704] ip6_route_info_create+0xf18/0x17d0 [14547.121908][ T7704] ip6_route_add+0x1c/0x140 [14547.121908][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14547.121908][ T7704] addrconf_add_dev+0xe2/0x170 [14547.121908][ T7704] inet6_addr_add+0x12f/0xa40 [14547.121908][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14547.121908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14547.121908][ T7704] netlink_rcv_skb+0x130/0x360 [14547.121908][ T7704] netlink_unicast+0x449/0x710 [14547.121908][ T7704] netlink_sendmsg+0x723/0xbe0 [14547.121908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14547.121908][ T7704] ___sys_sendmsg+0xee/0x170 [14547.121908][ T7704] __sys_sendmsg+0xcd/0x170 [14547.121908][ T7704] do_syscall_64+0xc6/0x1e0 [14547.121908][ T7704] [14547.124158][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14547.124158][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14547.124158][ T7704] ipv6_find_idev+0x102/0x170 [14547.124158][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14547.124158][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14547.124158][ T7704] netlink_rcv_skb+0x130/0x360 [14547.124158][ T7704] netlink_unicast+0x449/0x710 [14547.124158][ T7704] netlink_sendmsg+0x723/0xbe0 [14547.124158][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14547.124158][ T7704] ___sys_sendmsg+0xee/0x170 [14547.124158][ T7704] __sys_sendmsg+0xcd/0x170 [14547.124158][ T7704] do_syscall_64+0xc6/0x1e0 [14547.124158][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14547.124158][ T7704] [14547.125898][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14547.125898][ T7704] neigh_parms_alloc+0x1e5/0x510 [14547.125898][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14547.125898][ T7704] ipv6_find_idev+0x102/0x170 [14547.125898][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14547.125898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14547.125898][ T7704] netlink_rcv_skb+0x130/0x360 [14547.125898][ T7704] netlink_unicast+0x449/0x710 [14547.125898][ T7704] netlink_sendmsg+0x723/0xbe0 [14547.125898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14547.125898][ T7704] ___sys_sendmsg+0xee/0x170 [14547.125898][ T7704] __sys_sendmsg+0xcd/0x170 [14547.125898][ T7704] do_syscall_64+0xc6/0x1e0 [14547.125898][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14547.125898][ T7704] [14557.364935][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14557.365579][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14557.365579][ T7704] netdev_get_by_index+0x5e/0x80 [14557.365579][ T7704] fib6_nh_init+0x3d8/0x15b0 [14557.365579][ T7704] ip6_route_info_create+0xf18/0x17d0 [14557.365579][ T7704] ip6_route_add+0x1c/0x140 [14557.365579][ T7704] addrconf_prefix_route+0x2a6/0x430 [14557.365579][ T7704] inet6_addr_add+0x4f8/0xa40 [14557.365579][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14557.365579][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14557.365579][ T7704] netlink_rcv_skb+0x130/0x360 [14557.365579][ T7704] netlink_unicast+0x449/0x710 [14557.365579][ T7704] netlink_sendmsg+0x723/0xbe0 [14557.365579][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14557.365579][ T7704] ___sys_sendmsg+0xee/0x170 [14557.365579][ T7704] __sys_sendmsg+0xcd/0x170 [14557.365579][ T7704] do_syscall_64+0xc6/0x1e0 [14557.365579][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14557.365579][ T7704] [14557.367900][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14557.367900][ T7704] netdev_get_by_index+0x5e/0x80 [14557.367900][ T7704] fib6_nh_init+0x3d8/0x15b0 [14557.367900][ T7704] ip6_route_info_create+0xf18/0x17d0 [14557.367900][ T7704] addrconf_f6i_alloc+0x315/0x560 [14557.367900][ T7704] ipv6_add_addr+0x411/0x2000 [14557.367900][ T7704] inet6_addr_add+0x30e/0xa40 [14557.367900][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14557.367900][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14557.367900][ T7704] netlink_rcv_skb+0x130/0x360 [14557.367900][ T7704] netlink_unicast+0x449/0x710 [14557.367900][ T7704] netlink_sendmsg+0x723/0xbe0 [14557.367900][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14557.367900][ T7704] ___sys_sendmsg+0xee/0x170 [14557.367900][ T7704] __sys_sendmsg+0xcd/0x170 [14557.367900][ T7704] do_syscall_64+0xc6/0x1e0 [14557.367900][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14557.367900][ T7704] [14557.370119][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14557.370119][ T7704] netdev_get_by_index+0x5e/0x80 [14557.370119][ T7704] fib6_nh_init+0x3d8/0x15b0 [14557.370119][ T7704] ip6_route_info_create+0xf18/0x17d0 [14557.370119][ T7704] ip6_route_add+0x1c/0x140 [14557.370119][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14557.370119][ T7704] addrconf_add_dev+0xe2/0x170 [14557.370119][ T7704] inet6_addr_add+0x12f/0xa40 [14557.370119][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14557.370119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14557.370119][ T7704] netlink_rcv_skb+0x130/0x360 [14557.370119][ T7704] netlink_unicast+0x449/0x710 [14557.370119][ T7704] netlink_sendmsg+0x723/0xbe0 [14557.370119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14557.370119][ T7704] ___sys_sendmsg+0xee/0x170 [14557.370119][ T7704] __sys_sendmsg+0xcd/0x170 [14557.370119][ T7704] do_syscall_64+0xc6/0x1e0 [14557.370119][ T7704] [14557.372347][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14557.372347][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14557.372347][ T7704] ipv6_find_idev+0x102/0x170 [14557.372347][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14557.372347][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14557.372347][ T7704] netlink_rcv_skb+0x130/0x360 [14557.372347][ T7704] netlink_unicast+0x449/0x710 [14557.372347][ T7704] netlink_sendmsg+0x723/0xbe0 [14557.372347][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14557.372347][ T7704] ___sys_sendmsg+0xee/0x170 [14557.372347][ T7704] __sys_sendmsg+0xcd/0x170 [14557.372347][ T7704] do_syscall_64+0xc6/0x1e0 [14557.372347][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14557.372347][ T7704] [14557.374108][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14557.374108][ T7704] neigh_parms_alloc+0x1e5/0x510 [14557.374108][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14557.374108][ T7704] ipv6_find_idev+0x102/0x170 [14557.374108][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14557.374108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14557.374108][ T7704] netlink_rcv_skb+0x130/0x360 [14557.374108][ T7704] netlink_unicast+0x449/0x710 [14557.374108][ T7704] netlink_sendmsg+0x723/0xbe0 [14557.374108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14557.374108][ T7704] ___sys_sendmsg+0xee/0x170 [14557.374108][ T7704] __sys_sendmsg+0xcd/0x170 [14557.374108][ T7704] do_syscall_64+0xc6/0x1e0 [14557.374108][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14557.374108][ T7704] [14567.612816][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14567.613349][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14567.613349][ T7704] netdev_get_by_index+0x5e/0x80 [14567.613349][ T7704] fib6_nh_init+0x3d8/0x15b0 [14567.613349][ T7704] ip6_route_info_create+0xf18/0x17d0 [14567.613349][ T7704] ip6_route_add+0x1c/0x140 [14567.613349][ T7704] addrconf_prefix_route+0x2a6/0x430 [14567.613349][ T7704] inet6_addr_add+0x4f8/0xa40 [14567.613349][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14567.613349][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14567.613349][ T7704] netlink_rcv_skb+0x130/0x360 [14567.613349][ T7704] netlink_unicast+0x449/0x710 [14567.613349][ T7704] netlink_sendmsg+0x723/0xbe0 [14567.613349][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14567.613349][ T7704] ___sys_sendmsg+0xee/0x170 [14567.613349][ T7704] __sys_sendmsg+0xcd/0x170 [14567.613349][ T7704] do_syscall_64+0xc6/0x1e0 [14567.613349][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14567.613349][ T7704] [14567.615668][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14567.615668][ T7704] netdev_get_by_index+0x5e/0x80 [14567.615668][ T7704] fib6_nh_init+0x3d8/0x15b0 [14567.615668][ T7704] ip6_route_info_create+0xf18/0x17d0 [14567.615668][ T7704] addrconf_f6i_alloc+0x315/0x560 [14567.615668][ T7704] ipv6_add_addr+0x411/0x2000 [14567.615668][ T7704] inet6_addr_add+0x30e/0xa40 [14567.615668][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14567.615668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14567.615668][ T7704] netlink_rcv_skb+0x130/0x360 [14567.615668][ T7704] netlink_unicast+0x449/0x710 [14567.615668][ T7704] netlink_sendmsg+0x723/0xbe0 [14567.615668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14567.615668][ T7704] ___sys_sendmsg+0xee/0x170 [14567.615668][ T7704] __sys_sendmsg+0xcd/0x170 [14567.615668][ T7704] do_syscall_64+0xc6/0x1e0 [14567.615668][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14567.615668][ T7704] [14567.617949][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14567.617949][ T7704] netdev_get_by_index+0x5e/0x80 [14567.617949][ T7704] fib6_nh_init+0x3d8/0x15b0 [14567.617949][ T7704] ip6_route_info_create+0xf18/0x17d0 [14567.617949][ T7704] ip6_route_add+0x1c/0x140 [14567.617949][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14567.617949][ T7704] addrconf_add_dev+0xe2/0x170 [14567.617949][ T7704] inet6_addr_add+0x12f/0xa40 [14567.617949][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14567.617949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14567.617949][ T7704] netlink_rcv_skb+0x130/0x360 [14567.617949][ T7704] netlink_unicast+0x449/0x710 [14567.617949][ T7704] netlink_sendmsg+0x723/0xbe0 [14567.617949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14567.617949][ T7704] ___sys_sendmsg+0xee/0x170 [14567.617949][ T7704] __sys_sendmsg+0xcd/0x170 [14567.617949][ T7704] do_syscall_64+0xc6/0x1e0 [14567.617949][ T7704] [14567.620177][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14567.620177][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14567.620177][ T7704] ipv6_find_idev+0x102/0x170 [14567.620177][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14567.620177][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14567.620177][ T7704] netlink_rcv_skb+0x130/0x360 [14567.620177][ T7704] netlink_unicast+0x449/0x710 [14567.620177][ T7704] netlink_sendmsg+0x723/0xbe0 [14567.620177][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14567.620177][ T7704] ___sys_sendmsg+0xee/0x170 [14567.620177][ T7704] __sys_sendmsg+0xcd/0x170 [14567.620177][ T7704] do_syscall_64+0xc6/0x1e0 [14567.620177][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14567.620177][ T7704] [14567.621926][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14567.621926][ T7704] neigh_parms_alloc+0x1e5/0x510 [14567.621926][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14567.621926][ T7704] ipv6_find_idev+0x102/0x170 [14567.621926][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14567.621926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14567.621926][ T7704] netlink_rcv_skb+0x130/0x360 [14567.621926][ T7704] netlink_unicast+0x449/0x710 [14567.621926][ T7704] netlink_sendmsg+0x723/0xbe0 [14567.621926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14567.621926][ T7704] ___sys_sendmsg+0xee/0x170 [14567.621926][ T7704] __sys_sendmsg+0xcd/0x170 [14567.621926][ T7704] do_syscall_64+0xc6/0x1e0 [14567.621926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14567.621926][ T7704] [14577.860818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14577.861333][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14577.861333][ T7704] netdev_get_by_index+0x5e/0x80 [14577.861333][ T7704] fib6_nh_init+0x3d8/0x15b0 [14577.861333][ T7704] ip6_route_info_create+0xf18/0x17d0 [14577.861333][ T7704] ip6_route_add+0x1c/0x140 [14577.861333][ T7704] addrconf_prefix_route+0x2a6/0x430 [14577.861333][ T7704] inet6_addr_add+0x4f8/0xa40 [14577.861333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14577.861333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14577.861333][ T7704] netlink_rcv_skb+0x130/0x360 [14577.861333][ T7704] netlink_unicast+0x449/0x710 [14577.861333][ T7704] netlink_sendmsg+0x723/0xbe0 [14577.861333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14577.861333][ T7704] ___sys_sendmsg+0xee/0x170 [14577.861333][ T7704] __sys_sendmsg+0xcd/0x170 [14577.861333][ T7704] do_syscall_64+0xc6/0x1e0 [14577.861333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14577.861333][ T7704] [14577.863661][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14577.863661][ T7704] netdev_get_by_index+0x5e/0x80 [14577.863661][ T7704] fib6_nh_init+0x3d8/0x15b0 [14577.863661][ T7704] ip6_route_info_create+0xf18/0x17d0 [14577.863661][ T7704] addrconf_f6i_alloc+0x315/0x560 [14577.863661][ T7704] ipv6_add_addr+0x411/0x2000 [14577.863661][ T7704] inet6_addr_add+0x30e/0xa40 [14577.863661][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14577.863661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14577.863661][ T7704] netlink_rcv_skb+0x130/0x360 [14577.863661][ T7704] netlink_unicast+0x449/0x710 [14577.863661][ T7704] netlink_sendmsg+0x723/0xbe0 [14577.863661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14577.863661][ T7704] ___sys_sendmsg+0xee/0x170 [14577.863661][ T7704] __sys_sendmsg+0xcd/0x170 [14577.863661][ T7704] do_syscall_64+0xc6/0x1e0 [14577.863661][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14577.863661][ T7704] [14577.865944][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14577.865944][ T7704] netdev_get_by_index+0x5e/0x80 [14577.865944][ T7704] fib6_nh_init+0x3d8/0x15b0 [14577.865944][ T7704] ip6_route_info_create+0xf18/0x17d0 [14577.865944][ T7704] ip6_route_add+0x1c/0x140 [14577.865944][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14577.865944][ T7704] addrconf_add_dev+0xe2/0x170 [14577.865944][ T7704] inet6_addr_add+0x12f/0xa40 [14577.865944][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14577.865944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14577.865944][ T7704] netlink_rcv_skb+0x130/0x360 [14577.865944][ T7704] netlink_unicast+0x449/0x710 [14577.865944][ T7704] netlink_sendmsg+0x723/0xbe0 [14577.865944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14577.865944][ T7704] ___sys_sendmsg+0xee/0x170 [14577.865944][ T7704] __sys_sendmsg+0xcd/0x170 [14577.865944][ T7704] do_syscall_64+0xc6/0x1e0 [14577.865944][ T7704] [14577.868164][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14577.868164][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14577.868164][ T7704] ipv6_find_idev+0x102/0x170 [14577.868164][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14577.868164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14577.868164][ T7704] netlink_rcv_skb+0x130/0x360 [14577.868164][ T7704] netlink_unicast+0x449/0x710 [14577.868164][ T7704] netlink_sendmsg+0x723/0xbe0 [14577.868164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14577.868164][ T7704] ___sys_sendmsg+0xee/0x170 [14577.868164][ T7704] __sys_sendmsg+0xcd/0x170 [14577.868164][ T7704] do_syscall_64+0xc6/0x1e0 [14577.868164][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14577.868164][ T7704] [14577.869915][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14577.869915][ T7704] neigh_parms_alloc+0x1e5/0x510 [14577.869915][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14577.869915][ T7704] ipv6_find_idev+0x102/0x170 [14577.869915][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14577.869915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14577.869915][ T7704] netlink_rcv_skb+0x130/0x360 [14577.869915][ T7704] netlink_unicast+0x449/0x710 [14577.869915][ T7704] netlink_sendmsg+0x723/0xbe0 [14577.869915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14577.869915][ T7704] ___sys_sendmsg+0xee/0x170 [14577.869915][ T7704] __sys_sendmsg+0xcd/0x170 [14577.869915][ T7704] do_syscall_64+0xc6/0x1e0 [14577.869915][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14577.869915][ T7704] [14588.108867][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14588.109396][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14588.109396][ T7704] netdev_get_by_index+0x5e/0x80 [14588.109396][ T7704] fib6_nh_init+0x3d8/0x15b0 [14588.109396][ T7704] ip6_route_info_create+0xf18/0x17d0 [14588.109396][ T7704] ip6_route_add+0x1c/0x140 [14588.109396][ T7704] addrconf_prefix_route+0x2a6/0x430 [14588.109396][ T7704] inet6_addr_add+0x4f8/0xa40 [14588.109396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14588.109396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14588.109396][ T7704] netlink_rcv_skb+0x130/0x360 [14588.109396][ T7704] netlink_unicast+0x449/0x710 [14588.109396][ T7704] netlink_sendmsg+0x723/0xbe0 [14588.109396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14588.109396][ T7704] ___sys_sendmsg+0xee/0x170 [14588.109396][ T7704] __sys_sendmsg+0xcd/0x170 [14588.109396][ T7704] do_syscall_64+0xc6/0x1e0 [14588.109396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14588.109396][ T7704] [14588.111662][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14588.111662][ T7704] netdev_get_by_index+0x5e/0x80 [14588.111662][ T7704] fib6_nh_init+0x3d8/0x15b0 [14588.111662][ T7704] ip6_route_info_create+0xf18/0x17d0 [14588.111662][ T7704] addrconf_f6i_alloc+0x315/0x560 [14588.111662][ T7704] ipv6_add_addr+0x411/0x2000 [14588.111662][ T7704] inet6_addr_add+0x30e/0xa40 [14588.111662][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14588.111662][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14588.111662][ T7704] netlink_rcv_skb+0x130/0x360 [14588.111662][ T7704] netlink_unicast+0x449/0x710 [14588.111662][ T7704] netlink_sendmsg+0x723/0xbe0 [14588.111662][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14588.111662][ T7704] ___sys_sendmsg+0xee/0x170 [14588.111662][ T7704] __sys_sendmsg+0xcd/0x170 [14588.111662][ T7704] do_syscall_64+0xc6/0x1e0 [14588.111662][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14588.111662][ T7704] [14588.113922][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14588.113922][ T7704] netdev_get_by_index+0x5e/0x80 [14588.113922][ T7704] fib6_nh_init+0x3d8/0x15b0 [14588.113922][ T7704] ip6_route_info_create+0xf18/0x17d0 [14588.113922][ T7704] ip6_route_add+0x1c/0x140 [14588.113922][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14588.113922][ T7704] addrconf_add_dev+0xe2/0x170 [14588.113922][ T7704] inet6_addr_add+0x12f/0xa40 [14588.113922][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14588.113922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14588.113922][ T7704] netlink_rcv_skb+0x130/0x360 [14588.113922][ T7704] netlink_unicast+0x449/0x710 [14588.113922][ T7704] netlink_sendmsg+0x723/0xbe0 [14588.113922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14588.113922][ T7704] ___sys_sendmsg+0xee/0x170 [14588.113922][ T7704] __sys_sendmsg+0xcd/0x170 [14588.113922][ T7704] do_syscall_64+0xc6/0x1e0 [14588.113922][ T7704] [14588.116133][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14588.116133][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14588.116133][ T7704] ipv6_find_idev+0x102/0x170 [14588.116133][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14588.116133][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14588.116133][ T7704] netlink_rcv_skb+0x130/0x360 [14588.116133][ T7704] netlink_unicast+0x449/0x710 [14588.116133][ T7704] netlink_sendmsg+0x723/0xbe0 [14588.116133][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14588.116133][ T7704] ___sys_sendmsg+0xee/0x170 [14588.116133][ T7704] __sys_sendmsg+0xcd/0x170 [14588.116133][ T7704] do_syscall_64+0xc6/0x1e0 [14588.116133][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14588.116133][ T7704] [14588.117853][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14588.117853][ T7704] neigh_parms_alloc+0x1e5/0x510 [14588.117853][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14588.117853][ T7704] ipv6_find_idev+0x102/0x170 [14588.117853][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14588.117853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14588.117853][ T7704] netlink_rcv_skb+0x130/0x360 [14588.117853][ T7704] netlink_unicast+0x449/0x710 [14588.117853][ T7704] netlink_sendmsg+0x723/0xbe0 [14588.117853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14588.117853][ T7704] ___sys_sendmsg+0xee/0x170 [14588.117853][ T7704] __sys_sendmsg+0xcd/0x170 [14588.117853][ T7704] do_syscall_64+0xc6/0x1e0 [14588.117853][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14588.117853][ T7704] [14598.356818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14598.357351][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14598.357351][ T7704] netdev_get_by_index+0x5e/0x80 [14598.357351][ T7704] fib6_nh_init+0x3d8/0x15b0 [14598.357351][ T7704] ip6_route_info_create+0xf18/0x17d0 [14598.357351][ T7704] ip6_route_add+0x1c/0x140 [14598.357351][ T7704] addrconf_prefix_route+0x2a6/0x430 [14598.357351][ T7704] inet6_addr_add+0x4f8/0xa40 [14598.357351][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14598.357351][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14598.357351][ T7704] netlink_rcv_skb+0x130/0x360 [14598.357351][ T7704] netlink_unicast+0x449/0x710 [14598.357351][ T7704] netlink_sendmsg+0x723/0xbe0 [14598.357351][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14598.357351][ T7704] ___sys_sendmsg+0xee/0x170 [14598.357351][ T7704] __sys_sendmsg+0xcd/0x170 [14598.357351][ T7704] do_syscall_64+0xc6/0x1e0 [14598.357351][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14598.357351][ T7704] [14598.360155][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14598.360155][ T7704] netdev_get_by_index+0x5e/0x80 [14598.360155][ T7704] fib6_nh_init+0x3d8/0x15b0 [14598.360155][ T7704] ip6_route_info_create+0xf18/0x17d0 [14598.360155][ T7704] addrconf_f6i_alloc+0x315/0x560 [14598.360155][ T7704] ipv6_add_addr+0x411/0x2000 [14598.360155][ T7704] inet6_addr_add+0x30e/0xa40 [14598.360155][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14598.360155][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14598.360155][ T7704] netlink_rcv_skb+0x130/0x360 [14598.360155][ T7704] netlink_unicast+0x449/0x710 [14598.360155][ T7704] netlink_sendmsg+0x723/0xbe0 [14598.360155][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14598.360155][ T7704] ___sys_sendmsg+0xee/0x170 [14598.360155][ T7704] __sys_sendmsg+0xcd/0x170 [14598.360155][ T7704] do_syscall_64+0xc6/0x1e0 [14598.360155][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14598.360155][ T7704] [14598.362397][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14598.362397][ T7704] netdev_get_by_index+0x5e/0x80 [14598.362397][ T7704] fib6_nh_init+0x3d8/0x15b0 [14598.362397][ T7704] ip6_route_info_create+0xf18/0x17d0 [14598.362397][ T7704] ip6_route_add+0x1c/0x140 [14598.362397][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14598.362397][ T7704] addrconf_add_dev+0xe2/0x170 [14598.362397][ T7704] inet6_addr_add+0x12f/0xa40 [14598.362397][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14598.362397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14598.362397][ T7704] netlink_rcv_skb+0x130/0x360 [14598.362397][ T7704] netlink_unicast+0x449/0x710 [14598.362397][ T7704] netlink_sendmsg+0x723/0xbe0 [14598.362397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14598.362397][ T7704] ___sys_sendmsg+0xee/0x170 [14598.362397][ T7704] __sys_sendmsg+0xcd/0x170 [14598.362397][ T7704] do_syscall_64+0xc6/0x1e0 [14598.362397][ T7704] [14598.365101][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14598.365101][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14598.365101][ T7704] ipv6_find_idev+0x102/0x170 [14598.365101][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14598.365101][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14598.365101][ T7704] netlink_rcv_skb+0x130/0x360 [14598.365101][ T7704] netlink_unicast+0x449/0x710 [14598.365101][ T7704] netlink_sendmsg+0x723/0xbe0 [14598.365101][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14598.365101][ T7704] ___sys_sendmsg+0xee/0x170 [14598.365101][ T7704] __sys_sendmsg+0xcd/0x170 [14598.365101][ T7704] do_syscall_64+0xc6/0x1e0 [14598.365101][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14598.365101][ T7704] [14598.366815][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14598.366815][ T7704] neigh_parms_alloc+0x1e5/0x510 [14598.366815][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14598.366815][ T7704] ipv6_find_idev+0x102/0x170 [14598.366815][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14598.366815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14598.366815][ T7704] netlink_rcv_skb+0x130/0x360 [14598.366815][ T7704] netlink_unicast+0x449/0x710 [14598.366815][ T7704] netlink_sendmsg+0x723/0xbe0 [14598.366815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14598.366815][ T7704] ___sys_sendmsg+0xee/0x170 [14598.366815][ T7704] __sys_sendmsg+0xcd/0x170 [14598.366815][ T7704] do_syscall_64+0xc6/0x1e0 [14598.366815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14598.366815][ T7704] [14608.604903][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14608.605761][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14608.605761][ T7704] netdev_get_by_index+0x5e/0x80 [14608.605761][ T7704] fib6_nh_init+0x3d8/0x15b0 [14608.605761][ T7704] ip6_route_info_create+0xf18/0x17d0 [14608.605761][ T7704] ip6_route_add+0x1c/0x140 [14608.605761][ T7704] addrconf_prefix_route+0x2a6/0x430 [14608.605761][ T7704] inet6_addr_add+0x4f8/0xa40 [14608.605761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14608.605761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14608.605761][ T7704] netlink_rcv_skb+0x130/0x360 [14608.605761][ T7704] netlink_unicast+0x449/0x710 [14608.605761][ T7704] netlink_sendmsg+0x723/0xbe0 [14608.605761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14608.605761][ T7704] ___sys_sendmsg+0xee/0x170 [14608.605761][ T7704] __sys_sendmsg+0xcd/0x170 [14608.605761][ T7704] do_syscall_64+0xc6/0x1e0 [14608.605761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14608.605761][ T7704] [14608.608281][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14608.608281][ T7704] netdev_get_by_index+0x5e/0x80 [14608.608281][ T7704] fib6_nh_init+0x3d8/0x15b0 [14608.608281][ T7704] ip6_route_info_create+0xf18/0x17d0 [14608.608281][ T7704] addrconf_f6i_alloc+0x315/0x560 [14608.608281][ T7704] ipv6_add_addr+0x411/0x2000 [14608.608281][ T7704] inet6_addr_add+0x30e/0xa40 [14608.608281][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14608.608281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14608.608281][ T7704] netlink_rcv_skb+0x130/0x360 [14608.608281][ T7704] netlink_unicast+0x449/0x710 [14608.608281][ T7704] netlink_sendmsg+0x723/0xbe0 [14608.608281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14608.608281][ T7704] ___sys_sendmsg+0xee/0x170 [14608.608281][ T7704] __sys_sendmsg+0xcd/0x170 [14608.608281][ T7704] do_syscall_64+0xc6/0x1e0 [14608.608281][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14608.608281][ T7704] [14608.610761][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14608.610761][ T7704] netdev_get_by_index+0x5e/0x80 [14608.610761][ T7704] fib6_nh_init+0x3d8/0x15b0 [14608.610761][ T7704] ip6_route_info_create+0xf18/0x17d0 [14608.610761][ T7704] ip6_route_add+0x1c/0x140 [14608.610761][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14608.610761][ T7704] addrconf_add_dev+0xe2/0x170 [14608.610761][ T7704] inet6_addr_add+0x12f/0xa40 [14608.610761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14608.610761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14608.610761][ T7704] netlink_rcv_skb+0x130/0x360 [14608.610761][ T7704] netlink_unicast+0x449/0x710 [14608.610761][ T7704] netlink_sendmsg+0x723/0xbe0 [14608.610761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14608.610761][ T7704] ___sys_sendmsg+0xee/0x170 [14608.610761][ T7704] __sys_sendmsg+0xcd/0x170 [14608.610761][ T7704] do_syscall_64+0xc6/0x1e0 [14608.610761][ T7704] [14608.613277][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14608.613277][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14608.613277][ T7704] ipv6_find_idev+0x102/0x170 [14608.613277][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14608.613277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14608.613277][ T7704] netlink_rcv_skb+0x130/0x360 [14608.613277][ T7704] netlink_unicast+0x449/0x710 [14608.613277][ T7704] netlink_sendmsg+0x723/0xbe0 [14608.613277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14608.613277][ T7704] ___sys_sendmsg+0xee/0x170 [14608.613277][ T7704] __sys_sendmsg+0xcd/0x170 [14608.613277][ T7704] do_syscall_64+0xc6/0x1e0 [14608.613277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14608.613277][ T7704] [14608.615153][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14608.615153][ T7704] neigh_parms_alloc+0x1e5/0x510 [14608.615153][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14608.615153][ T7704] ipv6_find_idev+0x102/0x170 [14608.615153][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14608.615153][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14608.615153][ T7704] netlink_rcv_skb+0x130/0x360 [14608.615153][ T7704] netlink_unicast+0x449/0x710 [14608.615153][ T7704] netlink_sendmsg+0x723/0xbe0 [14608.615153][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14608.615153][ T7704] ___sys_sendmsg+0xee/0x170 [14608.615153][ T7704] __sys_sendmsg+0xcd/0x170 [14608.615153][ T7704] do_syscall_64+0xc6/0x1e0 [14608.615153][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14608.615153][ T7704] [14618.852882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14618.853820][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14618.853820][ T7704] netdev_get_by_index+0x5e/0x80 [14618.853820][ T7704] fib6_nh_init+0x3d8/0x15b0 [14618.853820][ T7704] ip6_route_info_create+0xf18/0x17d0 [14618.853820][ T7704] ip6_route_add+0x1c/0x140 [14618.853820][ T7704] addrconf_prefix_route+0x2a6/0x430 [14618.853820][ T7704] inet6_addr_add+0x4f8/0xa40 [14618.853820][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14618.853820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14618.853820][ T7704] netlink_rcv_skb+0x130/0x360 [14618.853820][ T7704] netlink_unicast+0x449/0x710 [14618.853820][ T7704] netlink_sendmsg+0x723/0xbe0 [14618.853820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14618.853820][ T7704] ___sys_sendmsg+0xee/0x170 [14618.853820][ T7704] __sys_sendmsg+0xcd/0x170 [14618.853820][ T7704] do_syscall_64+0xc6/0x1e0 [14618.853820][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14618.853820][ T7704] [14618.856095][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14618.856095][ T7704] netdev_get_by_index+0x5e/0x80 [14618.856095][ T7704] fib6_nh_init+0x3d8/0x15b0 [14618.856095][ T7704] ip6_route_info_create+0xf18/0x17d0 [14618.856095][ T7704] addrconf_f6i_alloc+0x315/0x560 [14618.856095][ T7704] ipv6_add_addr+0x411/0x2000 [14618.856095][ T7704] inet6_addr_add+0x30e/0xa40 [14618.856095][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14618.856095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14618.856095][ T7704] netlink_rcv_skb+0x130/0x360 [14618.856095][ T7704] netlink_unicast+0x449/0x710 [14618.856095][ T7704] netlink_sendmsg+0x723/0xbe0 [14618.856095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14618.856095][ T7704] ___sys_sendmsg+0xee/0x170 [14618.856095][ T7704] __sys_sendmsg+0xcd/0x170 [14618.856095][ T7704] do_syscall_64+0xc6/0x1e0 [14618.856095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14618.856095][ T7704] [14618.858305][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14618.858305][ T7704] netdev_get_by_index+0x5e/0x80 [14618.858305][ T7704] fib6_nh_init+0x3d8/0x15b0 [14618.858305][ T7704] ip6_route_info_create+0xf18/0x17d0 [14618.858305][ T7704] ip6_route_add+0x1c/0x140 [14618.858305][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14618.858305][ T7704] addrconf_add_dev+0xe2/0x170 [14618.858305][ T7704] inet6_addr_add+0x12f/0xa40 [14618.858305][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14618.858305][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14618.858305][ T7704] netlink_rcv_skb+0x130/0x360 [14618.858305][ T7704] netlink_unicast+0x449/0x710 [14618.858305][ T7704] netlink_sendmsg+0x723/0xbe0 [14618.858305][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14618.858305][ T7704] ___sys_sendmsg+0xee/0x170 [14618.858305][ T7704] __sys_sendmsg+0xcd/0x170 [14618.858305][ T7704] do_syscall_64+0xc6/0x1e0 [14618.858305][ T7704] [14618.860432][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14618.860432][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14618.860432][ T7704] ipv6_find_idev+0x102/0x170 [14618.860432][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14618.860432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14618.860432][ T7704] netlink_rcv_skb+0x130/0x360 [14618.860432][ T7704] netlink_unicast+0x449/0x710 [14618.860432][ T7704] netlink_sendmsg+0x723/0xbe0 [14618.860432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14618.860432][ T7704] ___sys_sendmsg+0xee/0x170 [14618.860432][ T7704] __sys_sendmsg+0xcd/0x170 [14618.860432][ T7704] do_syscall_64+0xc6/0x1e0 [14618.860432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14618.860432][ T7704] [14618.862147][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14618.862147][ T7704] neigh_parms_alloc+0x1e5/0x510 [14618.862147][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14618.862147][ T7704] ipv6_find_idev+0x102/0x170 [14618.862147][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14618.862147][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14618.862147][ T7704] netlink_rcv_skb+0x130/0x360 [14618.862147][ T7704] netlink_unicast+0x449/0x710 [14618.862147][ T7704] netlink_sendmsg+0x723/0xbe0 [14618.862147][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14618.862147][ T7704] ___sys_sendmsg+0xee/0x170 [14618.862147][ T7704] __sys_sendmsg+0xcd/0x170 [14618.862147][ T7704] do_syscall_64+0xc6/0x1e0 [14618.862147][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14618.862147][ T7704] [14629.100828][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14629.101394][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14629.101394][ T7704] netdev_get_by_index+0x5e/0x80 [14629.101394][ T7704] fib6_nh_init+0x3d8/0x15b0 [14629.101394][ T7704] ip6_route_info_create+0xf18/0x17d0 [14629.101394][ T7704] ip6_route_add+0x1c/0x140 [14629.101394][ T7704] addrconf_prefix_route+0x2a6/0x430 [14629.101394][ T7704] inet6_addr_add+0x4f8/0xa40 [14629.101394][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14629.101394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14629.101394][ T7704] netlink_rcv_skb+0x130/0x360 [14629.101394][ T7704] netlink_unicast+0x449/0x710 [14629.101394][ T7704] netlink_sendmsg+0x723/0xbe0 [14629.101394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14629.101394][ T7704] ___sys_sendmsg+0xee/0x170 [14629.101394][ T7704] __sys_sendmsg+0xcd/0x170 [14629.101394][ T7704] do_syscall_64+0xc6/0x1e0 [14629.101394][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14629.101394][ T7704] [14629.103912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14629.103912][ T7704] netdev_get_by_index+0x5e/0x80 [14629.103912][ T7704] fib6_nh_init+0x3d8/0x15b0 [14629.103912][ T7704] ip6_route_info_create+0xf18/0x17d0 [14629.103912][ T7704] addrconf_f6i_alloc+0x315/0x560 [14629.103912][ T7704] ipv6_add_addr+0x411/0x2000 [14629.103912][ T7704] inet6_addr_add+0x30e/0xa40 [14629.103912][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14629.103912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14629.103912][ T7704] netlink_rcv_skb+0x130/0x360 [14629.103912][ T7704] netlink_unicast+0x449/0x710 [14629.103912][ T7704] netlink_sendmsg+0x723/0xbe0 [14629.103912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14629.103912][ T7704] ___sys_sendmsg+0xee/0x170 [14629.103912][ T7704] __sys_sendmsg+0xcd/0x170 [14629.103912][ T7704] do_syscall_64+0xc6/0x1e0 [14629.103912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14629.103912][ T7704] [14629.106421][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14629.106421][ T7704] netdev_get_by_index+0x5e/0x80 [14629.106421][ T7704] fib6_nh_init+0x3d8/0x15b0 [14629.106421][ T7704] ip6_route_info_create+0xf18/0x17d0 [14629.106421][ T7704] ip6_route_add+0x1c/0x140 [14629.106421][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14629.106421][ T7704] addrconf_add_dev+0xe2/0x170 [14629.106421][ T7704] inet6_addr_add+0x12f/0xa40 [14629.106421][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14629.106421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14629.106421][ T7704] netlink_rcv_skb+0x130/0x360 [14629.106421][ T7704] netlink_unicast+0x449/0x710 [14629.106421][ T7704] netlink_sendmsg+0x723/0xbe0 [14629.106421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14629.106421][ T7704] ___sys_sendmsg+0xee/0x170 [14629.106421][ T7704] __sys_sendmsg+0xcd/0x170 [14629.106421][ T7704] do_syscall_64+0xc6/0x1e0 [14629.106421][ T7704] [14629.108884][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14629.108884][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14629.108884][ T7704] ipv6_find_idev+0x102/0x170 [14629.108884][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14629.108884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14629.108884][ T7704] netlink_rcv_skb+0x130/0x360 [14629.108884][ T7704] netlink_unicast+0x449/0x710 [14629.108884][ T7704] netlink_sendmsg+0x723/0xbe0 [14629.108884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14629.108884][ T7704] ___sys_sendmsg+0xee/0x170 [14629.108884][ T7704] __sys_sendmsg+0xcd/0x170 [14629.108884][ T7704] do_syscall_64+0xc6/0x1e0 [14629.108884][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14629.108884][ T7704] [14629.110812][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14629.110812][ T7704] neigh_parms_alloc+0x1e5/0x510 [14629.110812][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14629.110812][ T7704] ipv6_find_idev+0x102/0x170 [14629.110812][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14629.110812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14629.110812][ T7704] netlink_rcv_skb+0x130/0x360 [14629.110812][ T7704] netlink_unicast+0x449/0x710 [14629.110812][ T7704] netlink_sendmsg+0x723/0xbe0 [14629.110812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14629.110812][ T7704] ___sys_sendmsg+0xee/0x170 [14629.110812][ T7704] __sys_sendmsg+0xcd/0x170 [14629.110812][ T7704] do_syscall_64+0xc6/0x1e0 [14629.110812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14629.110812][ T7704] [14639.348829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14639.349400][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14639.349400][ T7704] netdev_get_by_index+0x5e/0x80 [14639.349400][ T7704] fib6_nh_init+0x3d8/0x15b0 [14639.349400][ T7704] ip6_route_info_create+0xf18/0x17d0 [14639.349400][ T7704] ip6_route_add+0x1c/0x140 [14639.349400][ T7704] addrconf_prefix_route+0x2a6/0x430 [14639.349400][ T7704] inet6_addr_add+0x4f8/0xa40 [14639.349400][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14639.349400][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14639.349400][ T7704] netlink_rcv_skb+0x130/0x360 [14639.349400][ T7704] netlink_unicast+0x449/0x710 [14639.349400][ T7704] netlink_sendmsg+0x723/0xbe0 [14639.349400][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14639.349400][ T7704] ___sys_sendmsg+0xee/0x170 [14639.349400][ T7704] __sys_sendmsg+0xcd/0x170 [14639.349400][ T7704] do_syscall_64+0xc6/0x1e0 [14639.349400][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14639.349400][ T7704] [14639.351931][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14639.351931][ T7704] netdev_get_by_index+0x5e/0x80 [14639.351931][ T7704] fib6_nh_init+0x3d8/0x15b0 [14639.351931][ T7704] ip6_route_info_create+0xf18/0x17d0 [14639.351931][ T7704] addrconf_f6i_alloc+0x315/0x560 [14639.351931][ T7704] ipv6_add_addr+0x411/0x2000 [14639.351931][ T7704] inet6_addr_add+0x30e/0xa40 [14639.351931][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14639.351931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14639.351931][ T7704] netlink_rcv_skb+0x130/0x360 [14639.351931][ T7704] netlink_unicast+0x449/0x710 [14639.351931][ T7704] netlink_sendmsg+0x723/0xbe0 [14639.351931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14639.351931][ T7704] ___sys_sendmsg+0xee/0x170 [14639.351931][ T7704] __sys_sendmsg+0xcd/0x170 [14639.351931][ T7704] do_syscall_64+0xc6/0x1e0 [14639.351931][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14639.351931][ T7704] [14639.354438][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14639.354438][ T7704] netdev_get_by_index+0x5e/0x80 [14639.354438][ T7704] fib6_nh_init+0x3d8/0x15b0 [14639.354438][ T7704] ip6_route_info_create+0xf18/0x17d0 [14639.354438][ T7704] ip6_route_add+0x1c/0x140 [14639.354438][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14639.354438][ T7704] addrconf_add_dev+0xe2/0x170 [14639.354438][ T7704] inet6_addr_add+0x12f/0xa40 [14639.354438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14639.354438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14639.354438][ T7704] netlink_rcv_skb+0x130/0x360 [14639.354438][ T7704] netlink_unicast+0x449/0x710 [14639.354438][ T7704] netlink_sendmsg+0x723/0xbe0 [14639.354438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14639.354438][ T7704] ___sys_sendmsg+0xee/0x170 [14639.354438][ T7704] __sys_sendmsg+0xcd/0x170 [14639.354438][ T7704] do_syscall_64+0xc6/0x1e0 [14639.354438][ T7704] [14639.356972][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14639.356972][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14639.356972][ T7704] ipv6_find_idev+0x102/0x170 [14639.356972][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14639.356972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14639.356972][ T7704] netlink_rcv_skb+0x130/0x360 [14639.356972][ T7704] netlink_unicast+0x449/0x710 [14639.356972][ T7704] netlink_sendmsg+0x723/0xbe0 [14639.356972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14639.356972][ T7704] ___sys_sendmsg+0xee/0x170 [14639.356972][ T7704] __sys_sendmsg+0xcd/0x170 [14639.356972][ T7704] do_syscall_64+0xc6/0x1e0 [14639.356972][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14639.356972][ T7704] [14639.358913][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14639.358913][ T7704] neigh_parms_alloc+0x1e5/0x510 [14639.358913][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14639.358913][ T7704] ipv6_find_idev+0x102/0x170 [14639.358913][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14639.358913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14639.358913][ T7704] netlink_rcv_skb+0x130/0x360 [14639.358913][ T7704] netlink_unicast+0x449/0x710 [14639.358913][ T7704] netlink_sendmsg+0x723/0xbe0 [14639.358913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14639.358913][ T7704] ___sys_sendmsg+0xee/0x170 [14639.358913][ T7704] __sys_sendmsg+0xcd/0x170 [14639.358913][ T7704] do_syscall_64+0xc6/0x1e0 [14639.358913][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14639.358913][ T7704] [14649.596895][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14649.597390][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14649.597390][ T7704] netdev_get_by_index+0x5e/0x80 [14649.597390][ T7704] fib6_nh_init+0x3d8/0x15b0 [14649.597390][ T7704] ip6_route_info_create+0xf18/0x17d0 [14649.597390][ T7704] ip6_route_add+0x1c/0x140 [14649.597390][ T7704] addrconf_prefix_route+0x2a6/0x430 [14649.597390][ T7704] inet6_addr_add+0x4f8/0xa40 [14649.597390][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14649.597390][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14649.597390][ T7704] netlink_rcv_skb+0x130/0x360 [14649.597390][ T7704] netlink_unicast+0x449/0x710 [14649.597390][ T7704] netlink_sendmsg+0x723/0xbe0 [14649.597390][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14649.597390][ T7704] ___sys_sendmsg+0xee/0x170 [14649.597390][ T7704] __sys_sendmsg+0xcd/0x170 [14649.597390][ T7704] do_syscall_64+0xc6/0x1e0 [14649.597390][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14649.597390][ T7704] [14649.599869][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14649.599869][ T7704] netdev_get_by_index+0x5e/0x80 [14649.599869][ T7704] fib6_nh_init+0x3d8/0x15b0 [14649.599869][ T7704] ip6_route_info_create+0xf18/0x17d0 [14649.599869][ T7704] addrconf_f6i_alloc+0x315/0x560 [14649.599869][ T7704] ipv6_add_addr+0x411/0x2000 [14649.599869][ T7704] inet6_addr_add+0x30e/0xa40 [14649.599869][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14649.599869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14649.599869][ T7704] netlink_rcv_skb+0x130/0x360 [14649.599869][ T7704] netlink_unicast+0x449/0x710 [14649.599869][ T7704] netlink_sendmsg+0x723/0xbe0 [14649.599869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14649.599869][ T7704] ___sys_sendmsg+0xee/0x170 [14649.599869][ T7704] __sys_sendmsg+0xcd/0x170 [14649.599869][ T7704] do_syscall_64+0xc6/0x1e0 [14649.599869][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14649.599869][ T7704] [14649.602153][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14649.602153][ T7704] netdev_get_by_index+0x5e/0x80 [14649.602153][ T7704] fib6_nh_init+0x3d8/0x15b0 [14649.602153][ T7704] ip6_route_info_create+0xf18/0x17d0 [14649.602153][ T7704] ip6_route_add+0x1c/0x140 [14649.602153][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14649.602153][ T7704] addrconf_add_dev+0xe2/0x170 [14649.602153][ T7704] inet6_addr_add+0x12f/0xa40 [14649.602153][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14649.602153][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14649.602153][ T7704] netlink_rcv_skb+0x130/0x360 [14649.602153][ T7704] netlink_unicast+0x449/0x710 [14649.602153][ T7704] netlink_sendmsg+0x723/0xbe0 [14649.602153][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14649.602153][ T7704] ___sys_sendmsg+0xee/0x170 [14649.602153][ T7704] __sys_sendmsg+0xcd/0x170 [14649.602153][ T7704] do_syscall_64+0xc6/0x1e0 [14649.602153][ T7704] [14649.604390][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14649.604390][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14649.604390][ T7704] ipv6_find_idev+0x102/0x170 [14649.604390][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14649.604390][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14649.604390][ T7704] netlink_rcv_skb+0x130/0x360 [14649.604390][ T7704] netlink_unicast+0x449/0x710 [14649.604390][ T7704] netlink_sendmsg+0x723/0xbe0 [14649.604390][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14649.604390][ T7704] ___sys_sendmsg+0xee/0x170 [14649.604390][ T7704] __sys_sendmsg+0xcd/0x170 [14649.604390][ T7704] do_syscall_64+0xc6/0x1e0 [14649.604390][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14649.604390][ T7704] [14649.606132][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14649.606132][ T7704] neigh_parms_alloc+0x1e5/0x510 [14649.606132][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14649.606132][ T7704] ipv6_find_idev+0x102/0x170 [14649.606132][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14649.606132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14649.606132][ T7704] netlink_rcv_skb+0x130/0x360 [14649.606132][ T7704] netlink_unicast+0x449/0x710 [14649.606132][ T7704] netlink_sendmsg+0x723/0xbe0 [14649.606132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14649.606132][ T7704] ___sys_sendmsg+0xee/0x170 [14649.606132][ T7704] __sys_sendmsg+0xcd/0x170 [14649.606132][ T7704] do_syscall_64+0xc6/0x1e0 [14649.606132][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14649.606132][ T7704] [14659.628869][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14659.629450][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14659.629450][ T7704] netdev_get_by_index+0x5e/0x80 [14659.629450][ T7704] fib6_nh_init+0x3d8/0x15b0 [14659.629450][ T7704] ip6_route_info_create+0xf18/0x17d0 [14659.629450][ T7704] ip6_route_add+0x1c/0x140 [14659.629450][ T7704] addrconf_prefix_route+0x2a6/0x430 [14659.629450][ T7704] inet6_addr_add+0x4f8/0xa40 [14659.629450][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14659.629450][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14659.629450][ T7704] netlink_rcv_skb+0x130/0x360 [14659.629450][ T7704] netlink_unicast+0x449/0x710 [14659.629450][ T7704] netlink_sendmsg+0x723/0xbe0 [14659.629450][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14659.629450][ T7704] ___sys_sendmsg+0xee/0x170 [14659.629450][ T7704] __sys_sendmsg+0xcd/0x170 [14659.629450][ T7704] do_syscall_64+0xc6/0x1e0 [14659.629450][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14659.629450][ T7704] [14659.631721][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14659.631721][ T7704] netdev_get_by_index+0x5e/0x80 [14659.631721][ T7704] fib6_nh_init+0x3d8/0x15b0 [14659.631721][ T7704] ip6_route_info_create+0xf18/0x17d0 [14659.631721][ T7704] addrconf_f6i_alloc+0x315/0x560 [14659.631721][ T7704] ipv6_add_addr+0x411/0x2000 [14659.631721][ T7704] inet6_addr_add+0x30e/0xa40 [14659.631721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14659.631721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14659.631721][ T7704] netlink_rcv_skb+0x130/0x360 [14659.631721][ T7704] netlink_unicast+0x449/0x710 [14659.631721][ T7704] netlink_sendmsg+0x723/0xbe0 [14659.631721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14659.631721][ T7704] ___sys_sendmsg+0xee/0x170 [14659.631721][ T7704] __sys_sendmsg+0xcd/0x170 [14659.631721][ T7704] do_syscall_64+0xc6/0x1e0 [14659.631721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14659.631721][ T7704] [14659.633984][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14659.633984][ T7704] netdev_get_by_index+0x5e/0x80 [14659.633984][ T7704] fib6_nh_init+0x3d8/0x15b0 [14659.633984][ T7704] ip6_route_info_create+0xf18/0x17d0 [14659.633984][ T7704] ip6_route_add+0x1c/0x140 [14659.633984][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14659.633984][ T7704] addrconf_add_dev+0xe2/0x170 [14659.633984][ T7704] inet6_addr_add+0x12f/0xa40 [14659.633984][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14659.633984][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14659.633984][ T7704] netlink_rcv_skb+0x130/0x360 [14659.633984][ T7704] netlink_unicast+0x449/0x710 [14659.633984][ T7704] netlink_sendmsg+0x723/0xbe0 [14659.633984][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14659.633984][ T7704] ___sys_sendmsg+0xee/0x170 [14659.633984][ T7704] __sys_sendmsg+0xcd/0x170 [14659.633984][ T7704] do_syscall_64+0xc6/0x1e0 [14659.633984][ T7704] [14659.636189][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14659.636189][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14659.636189][ T7704] ipv6_find_idev+0x102/0x170 [14659.636189][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14659.636189][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14659.636189][ T7704] netlink_rcv_skb+0x130/0x360 [14659.636189][ T7704] netlink_unicast+0x449/0x710 [14659.636189][ T7704] netlink_sendmsg+0x723/0xbe0 [14659.636189][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14659.636189][ T7704] ___sys_sendmsg+0xee/0x170 [14659.636189][ T7704] __sys_sendmsg+0xcd/0x170 [14659.636189][ T7704] do_syscall_64+0xc6/0x1e0 [14659.636189][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14659.636189][ T7704] [14659.637903][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14659.637903][ T7704] neigh_parms_alloc+0x1e5/0x510 [14659.637903][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14659.637903][ T7704] ipv6_find_idev+0x102/0x170 [14659.637903][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14659.637903][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14659.637903][ T7704] netlink_rcv_skb+0x130/0x360 [14659.637903][ T7704] netlink_unicast+0x449/0x710 [14659.637903][ T7704] netlink_sendmsg+0x723/0xbe0 [14659.637903][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14659.637903][ T7704] ___sys_sendmsg+0xee/0x170 [14659.637903][ T7704] __sys_sendmsg+0xcd/0x170 [14659.637903][ T7704] do_syscall_64+0xc6/0x1e0 [14659.637903][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14659.637903][ T7704] [14669.756952][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14669.757733][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14669.757733][ T7704] netdev_get_by_index+0x5e/0x80 [14669.757733][ T7704] fib6_nh_init+0x3d8/0x15b0 [14669.757733][ T7704] ip6_route_info_create+0xf18/0x17d0 [14669.757733][ T7704] ip6_route_add+0x1c/0x140 [14669.757733][ T7704] addrconf_prefix_route+0x2a6/0x430 [14669.757733][ T7704] inet6_addr_add+0x4f8/0xa40 [14669.757733][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14669.757733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14669.757733][ T7704] netlink_rcv_skb+0x130/0x360 [14669.757733][ T7704] netlink_unicast+0x449/0x710 [14669.757733][ T7704] netlink_sendmsg+0x723/0xbe0 [14669.757733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14669.757733][ T7704] ___sys_sendmsg+0xee/0x170 [14669.757733][ T7704] __sys_sendmsg+0xcd/0x170 [14669.757733][ T7704] do_syscall_64+0xc6/0x1e0 [14669.757733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14669.757733][ T7704] [14669.760017][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14669.760017][ T7704] netdev_get_by_index+0x5e/0x80 [14669.760017][ T7704] fib6_nh_init+0x3d8/0x15b0 [14669.760017][ T7704] ip6_route_info_create+0xf18/0x17d0 [14669.760017][ T7704] addrconf_f6i_alloc+0x315/0x560 [14669.760017][ T7704] ipv6_add_addr+0x411/0x2000 [14669.760017][ T7704] inet6_addr_add+0x30e/0xa40 [14669.760017][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14669.760017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14669.760017][ T7704] netlink_rcv_skb+0x130/0x360 [14669.760017][ T7704] netlink_unicast+0x449/0x710 [14669.760017][ T7704] netlink_sendmsg+0x723/0xbe0 [14669.760017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14669.760017][ T7704] ___sys_sendmsg+0xee/0x170 [14669.760017][ T7704] __sys_sendmsg+0xcd/0x170 [14669.760017][ T7704] do_syscall_64+0xc6/0x1e0 [14669.760017][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14669.760017][ T7704] [14669.762271][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14669.762271][ T7704] netdev_get_by_index+0x5e/0x80 [14669.762271][ T7704] fib6_nh_init+0x3d8/0x15b0 [14669.762271][ T7704] ip6_route_info_create+0xf18/0x17d0 [14669.762271][ T7704] ip6_route_add+0x1c/0x140 [14669.762271][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14669.762271][ T7704] addrconf_add_dev+0xe2/0x170 [14669.762271][ T7704] inet6_addr_add+0x12f/0xa40 [14669.762271][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14669.762271][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14669.762271][ T7704] netlink_rcv_skb+0x130/0x360 [14669.762271][ T7704] netlink_unicast+0x449/0x710 [14669.762271][ T7704] netlink_sendmsg+0x723/0xbe0 [14669.762271][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14669.762271][ T7704] ___sys_sendmsg+0xee/0x170 [14669.762271][ T7704] __sys_sendmsg+0xcd/0x170 [14669.762271][ T7704] do_syscall_64+0xc6/0x1e0 [14669.762271][ T7704] [14669.764517][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14669.764517][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14669.764517][ T7704] ipv6_find_idev+0x102/0x170 [14669.764517][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14669.764517][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14669.764517][ T7704] netlink_rcv_skb+0x130/0x360 [14669.764517][ T7704] netlink_unicast+0x449/0x710 [14669.764517][ T7704] netlink_sendmsg+0x723/0xbe0 [14669.764517][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14669.764517][ T7704] ___sys_sendmsg+0xee/0x170 [14669.764517][ T7704] __sys_sendmsg+0xcd/0x170 [14669.764517][ T7704] do_syscall_64+0xc6/0x1e0 [14669.764517][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14669.764517][ T7704] [14669.766278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14669.766278][ T7704] neigh_parms_alloc+0x1e5/0x510 [14669.766278][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14669.766278][ T7704] ipv6_find_idev+0x102/0x170 [14669.766278][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14669.766278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14669.766278][ T7704] netlink_rcv_skb+0x130/0x360 [14669.766278][ T7704] netlink_unicast+0x449/0x710 [14669.766278][ T7704] netlink_sendmsg+0x723/0xbe0 [14669.766278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14669.766278][ T7704] ___sys_sendmsg+0xee/0x170 [14669.766278][ T7704] __sys_sendmsg+0xcd/0x170 [14669.766278][ T7704] do_syscall_64+0xc6/0x1e0 [14669.766278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14669.766278][ T7704] [14680.020792][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14680.021309][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14680.021309][ T7704] netdev_get_by_index+0x5e/0x80 [14680.021309][ T7704] fib6_nh_init+0x3d8/0x15b0 [14680.021309][ T7704] ip6_route_info_create+0xf18/0x17d0 [14680.021309][ T7704] ip6_route_add+0x1c/0x140 [14680.021309][ T7704] addrconf_prefix_route+0x2a6/0x430 [14680.021309][ T7704] inet6_addr_add+0x4f8/0xa40 [14680.021309][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14680.021309][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14680.021309][ T7704] netlink_rcv_skb+0x130/0x360 [14680.021309][ T7704] netlink_unicast+0x449/0x710 [14680.021309][ T7704] netlink_sendmsg+0x723/0xbe0 [14680.021309][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14680.021309][ T7704] ___sys_sendmsg+0xee/0x170 [14680.021309][ T7704] __sys_sendmsg+0xcd/0x170 [14680.021309][ T7704] do_syscall_64+0xc6/0x1e0 [14680.021309][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14680.021309][ T7704] [14680.023746][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14680.023746][ T7704] netdev_get_by_index+0x5e/0x80 [14680.023746][ T7704] fib6_nh_init+0x3d8/0x15b0 [14680.023746][ T7704] ip6_route_info_create+0xf18/0x17d0 [14680.023746][ T7704] addrconf_f6i_alloc+0x315/0x560 [14680.023746][ T7704] ipv6_add_addr+0x411/0x2000 [14680.023746][ T7704] inet6_addr_add+0x30e/0xa40 [14680.023746][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14680.023746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14680.023746][ T7704] netlink_rcv_skb+0x130/0x360 [14680.023746][ T7704] netlink_unicast+0x449/0x710 [14680.023746][ T7704] netlink_sendmsg+0x723/0xbe0 [14680.023746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14680.023746][ T7704] ___sys_sendmsg+0xee/0x170 [14680.023746][ T7704] __sys_sendmsg+0xcd/0x170 [14680.023746][ T7704] do_syscall_64+0xc6/0x1e0 [14680.023746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14680.023746][ T7704] [14680.026168][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14680.026168][ T7704] netdev_get_by_index+0x5e/0x80 [14680.026168][ T7704] fib6_nh_init+0x3d8/0x15b0 [14680.026168][ T7704] ip6_route_info_create+0xf18/0x17d0 [14680.026168][ T7704] ip6_route_add+0x1c/0x140 [14680.026168][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14680.026168][ T7704] addrconf_add_dev+0xe2/0x170 [14680.026168][ T7704] inet6_addr_add+0x12f/0xa40 [14680.026168][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14680.026168][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14680.026168][ T7704] netlink_rcv_skb+0x130/0x360 [14680.026168][ T7704] netlink_unicast+0x449/0x710 [14680.026168][ T7704] netlink_sendmsg+0x723/0xbe0 [14680.026168][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14680.026168][ T7704] ___sys_sendmsg+0xee/0x170 [14680.026168][ T7704] __sys_sendmsg+0xcd/0x170 [14680.026168][ T7704] do_syscall_64+0xc6/0x1e0 [14680.026168][ T7704] [14680.028529][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14680.028529][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14680.028529][ T7704] ipv6_find_idev+0x102/0x170 [14680.028529][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14680.028529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14680.028529][ T7704] netlink_rcv_skb+0x130/0x360 [14680.028529][ T7704] netlink_unicast+0x449/0x710 [14680.028529][ T7704] netlink_sendmsg+0x723/0xbe0 [14680.028529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14680.028529][ T7704] ___sys_sendmsg+0xee/0x170 [14680.028529][ T7704] __sys_sendmsg+0xcd/0x170 [14680.028529][ T7704] do_syscall_64+0xc6/0x1e0 [14680.028529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14680.028529][ T7704] [14680.030386][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14680.030386][ T7704] neigh_parms_alloc+0x1e5/0x510 [14680.030386][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14680.030386][ T7704] ipv6_find_idev+0x102/0x170 [14680.030386][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14680.030386][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14680.030386][ T7704] netlink_rcv_skb+0x130/0x360 [14680.030386][ T7704] netlink_unicast+0x449/0x710 [14680.030386][ T7704] netlink_sendmsg+0x723/0xbe0 [14680.030386][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14680.030386][ T7704] ___sys_sendmsg+0xee/0x170 [14680.030386][ T7704] __sys_sendmsg+0xcd/0x170 [14680.030386][ T7704] do_syscall_64+0xc6/0x1e0 [14680.030386][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14680.030386][ T7704] [14690.276837][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14690.277390][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14690.277390][ T7704] netdev_get_by_index+0x5e/0x80 [14690.277390][ T7704] fib6_nh_init+0x3d8/0x15b0 [14690.277390][ T7704] ip6_route_info_create+0xf18/0x17d0 [14690.277390][ T7704] ip6_route_add+0x1c/0x140 [14690.277390][ T7704] addrconf_prefix_route+0x2a6/0x430 [14690.277390][ T7704] inet6_addr_add+0x4f8/0xa40 [14690.277390][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14690.277390][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14690.277390][ T7704] netlink_rcv_skb+0x130/0x360 [14690.277390][ T7704] netlink_unicast+0x449/0x710 [14690.277390][ T7704] netlink_sendmsg+0x723/0xbe0 [14690.277390][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14690.277390][ T7704] ___sys_sendmsg+0xee/0x170 [14690.277390][ T7704] __sys_sendmsg+0xcd/0x170 [14690.277390][ T7704] do_syscall_64+0xc6/0x1e0 [14690.277390][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14690.277390][ T7704] [14690.279814][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14690.279814][ T7704] netdev_get_by_index+0x5e/0x80 [14690.279814][ T7704] fib6_nh_init+0x3d8/0x15b0 [14690.279814][ T7704] ip6_route_info_create+0xf18/0x17d0 [14690.279814][ T7704] addrconf_f6i_alloc+0x315/0x560 [14690.279814][ T7704] ipv6_add_addr+0x411/0x2000 [14690.279814][ T7704] inet6_addr_add+0x30e/0xa40 [14690.279814][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14690.279814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14690.279814][ T7704] netlink_rcv_skb+0x130/0x360 [14690.279814][ T7704] netlink_unicast+0x449/0x710 [14690.279814][ T7704] netlink_sendmsg+0x723/0xbe0 [14690.279814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14690.279814][ T7704] ___sys_sendmsg+0xee/0x170 [14690.279814][ T7704] __sys_sendmsg+0xcd/0x170 [14690.279814][ T7704] do_syscall_64+0xc6/0x1e0 [14690.279814][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14690.279814][ T7704] [14690.282214][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14690.282214][ T7704] netdev_get_by_index+0x5e/0x80 [14690.282214][ T7704] fib6_nh_init+0x3d8/0x15b0 [14690.282214][ T7704] ip6_route_info_create+0xf18/0x17d0 [14690.282214][ T7704] ip6_route_add+0x1c/0x140 [14690.282214][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14690.282214][ T7704] addrconf_add_dev+0xe2/0x170 [14690.282214][ T7704] inet6_addr_add+0x12f/0xa40 [14690.282214][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14690.282214][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14690.282214][ T7704] netlink_rcv_skb+0x130/0x360 [14690.282214][ T7704] netlink_unicast+0x449/0x710 [14690.282214][ T7704] netlink_sendmsg+0x723/0xbe0 [14690.282214][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14690.282214][ T7704] ___sys_sendmsg+0xee/0x170 [14690.282214][ T7704] __sys_sendmsg+0xcd/0x170 [14690.282214][ T7704] do_syscall_64+0xc6/0x1e0 [14690.282214][ T7704] [14690.284589][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14690.284589][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14690.284589][ T7704] ipv6_find_idev+0x102/0x170 [14690.284589][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14690.284589][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14690.284589][ T7704] netlink_rcv_skb+0x130/0x360 [14690.284589][ T7704] netlink_unicast+0x449/0x710 [14690.284589][ T7704] netlink_sendmsg+0x723/0xbe0 [14690.284589][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14690.284589][ T7704] ___sys_sendmsg+0xee/0x170 [14690.284589][ T7704] __sys_sendmsg+0xcd/0x170 [14690.284589][ T7704] do_syscall_64+0xc6/0x1e0 [14690.284589][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14690.284589][ T7704] [14690.286429][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14690.286429][ T7704] neigh_parms_alloc+0x1e5/0x510 [14690.286429][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14690.286429][ T7704] ipv6_find_idev+0x102/0x170 [14690.286429][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14690.286429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14690.286429][ T7704] netlink_rcv_skb+0x130/0x360 [14690.286429][ T7704] netlink_unicast+0x449/0x710 [14690.286429][ T7704] netlink_sendmsg+0x723/0xbe0 [14690.286429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14690.286429][ T7704] ___sys_sendmsg+0xee/0x170 [14690.286429][ T7704] __sys_sendmsg+0xcd/0x170 [14690.286429][ T7704] do_syscall_64+0xc6/0x1e0 [14690.286429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14690.286429][ T7704] [14700.540846][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14700.541377][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14700.541377][ T7704] netdev_get_by_index+0x5e/0x80 [14700.541377][ T7704] fib6_nh_init+0x3d8/0x15b0 [14700.541377][ T7704] ip6_route_info_create+0xf18/0x17d0 [14700.541377][ T7704] ip6_route_add+0x1c/0x140 [14700.541377][ T7704] addrconf_prefix_route+0x2a6/0x430 [14700.541377][ T7704] inet6_addr_add+0x4f8/0xa40 [14700.541377][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14700.541377][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14700.541377][ T7704] netlink_rcv_skb+0x130/0x360 [14700.541377][ T7704] netlink_unicast+0x449/0x710 [14700.541377][ T7704] netlink_sendmsg+0x723/0xbe0 [14700.541377][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14700.541377][ T7704] ___sys_sendmsg+0xee/0x170 [14700.541377][ T7704] __sys_sendmsg+0xcd/0x170 [14700.541377][ T7704] do_syscall_64+0xc6/0x1e0 [14700.541377][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14700.541377][ T7704] [14700.543827][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14700.543827][ T7704] netdev_get_by_index+0x5e/0x80 [14700.543827][ T7704] fib6_nh_init+0x3d8/0x15b0 [14700.543827][ T7704] ip6_route_info_create+0xf18/0x17d0 [14700.543827][ T7704] addrconf_f6i_alloc+0x315/0x560 [14700.543827][ T7704] ipv6_add_addr+0x411/0x2000 [14700.543827][ T7704] inet6_addr_add+0x30e/0xa40 [14700.543827][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14700.543827][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14700.543827][ T7704] netlink_rcv_skb+0x130/0x360 [14700.543827][ T7704] netlink_unicast+0x449/0x710 [14700.543827][ T7704] netlink_sendmsg+0x723/0xbe0 [14700.543827][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14700.543827][ T7704] ___sys_sendmsg+0xee/0x170 [14700.543827][ T7704] __sys_sendmsg+0xcd/0x170 [14700.543827][ T7704] do_syscall_64+0xc6/0x1e0 [14700.543827][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14700.543827][ T7704] [14700.546262][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14700.546262][ T7704] netdev_get_by_index+0x5e/0x80 [14700.546262][ T7704] fib6_nh_init+0x3d8/0x15b0 [14700.546262][ T7704] ip6_route_info_create+0xf18/0x17d0 [14700.546262][ T7704] ip6_route_add+0x1c/0x140 [14700.546262][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14700.546262][ T7704] addrconf_add_dev+0xe2/0x170 [14700.546262][ T7704] inet6_addr_add+0x12f/0xa40 [14700.546262][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14700.546262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14700.546262][ T7704] netlink_rcv_skb+0x130/0x360 [14700.546262][ T7704] netlink_unicast+0x449/0x710 [14700.546262][ T7704] netlink_sendmsg+0x723/0xbe0 [14700.546262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14700.546262][ T7704] ___sys_sendmsg+0xee/0x170 [14700.546262][ T7704] __sys_sendmsg+0xcd/0x170 [14700.546262][ T7704] do_syscall_64+0xc6/0x1e0 [14700.546262][ T7704] [14700.548643][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14700.548643][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14700.548643][ T7704] ipv6_find_idev+0x102/0x170 [14700.548643][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14700.548643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14700.548643][ T7704] netlink_rcv_skb+0x130/0x360 [14700.548643][ T7704] netlink_unicast+0x449/0x710 [14700.548643][ T7704] netlink_sendmsg+0x723/0xbe0 [14700.548643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14700.548643][ T7704] ___sys_sendmsg+0xee/0x170 [14700.548643][ T7704] __sys_sendmsg+0xcd/0x170 [14700.548643][ T7704] do_syscall_64+0xc6/0x1e0 [14700.548643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14700.548643][ T7704] [14700.550512][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14700.550512][ T7704] neigh_parms_alloc+0x1e5/0x510 [14700.550512][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14700.550512][ T7704] ipv6_find_idev+0x102/0x170 [14700.550512][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14700.550512][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14700.550512][ T7704] netlink_rcv_skb+0x130/0x360 [14700.550512][ T7704] netlink_unicast+0x449/0x710 [14700.550512][ T7704] netlink_sendmsg+0x723/0xbe0 [14700.550512][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14700.550512][ T7704] ___sys_sendmsg+0xee/0x170 [14700.550512][ T7704] __sys_sendmsg+0xcd/0x170 [14700.550512][ T7704] do_syscall_64+0xc6/0x1e0 [14700.550512][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14700.550512][ T7704] [14710.804830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14710.805351][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14710.805351][ T7704] netdev_get_by_index+0x5e/0x80 [14710.805351][ T7704] fib6_nh_init+0x3d8/0x15b0 [14710.805351][ T7704] ip6_route_info_create+0xf18/0x17d0 [14710.805351][ T7704] ip6_route_add+0x1c/0x140 [14710.805351][ T7704] addrconf_prefix_route+0x2a6/0x430 [14710.805351][ T7704] inet6_addr_add+0x4f8/0xa40 [14710.805351][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14710.805351][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14710.805351][ T7704] netlink_rcv_skb+0x130/0x360 [14710.805351][ T7704] netlink_unicast+0x449/0x710 [14710.805351][ T7704] netlink_sendmsg+0x723/0xbe0 [14710.805351][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14710.805351][ T7704] ___sys_sendmsg+0xee/0x170 [14710.805351][ T7704] __sys_sendmsg+0xcd/0x170 [14710.805351][ T7704] do_syscall_64+0xc6/0x1e0 [14710.805351][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14710.805351][ T7704] [14710.807732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14710.807732][ T7704] netdev_get_by_index+0x5e/0x80 [14710.807732][ T7704] fib6_nh_init+0x3d8/0x15b0 [14710.807732][ T7704] ip6_route_info_create+0xf18/0x17d0 [14710.807732][ T7704] addrconf_f6i_alloc+0x315/0x560 [14710.807732][ T7704] ipv6_add_addr+0x411/0x2000 [14710.807732][ T7704] inet6_addr_add+0x30e/0xa40 [14710.807732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14710.807732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14710.807732][ T7704] netlink_rcv_skb+0x130/0x360 [14710.807732][ T7704] netlink_unicast+0x449/0x710 [14710.807732][ T7704] netlink_sendmsg+0x723/0xbe0 [14710.807732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14710.807732][ T7704] ___sys_sendmsg+0xee/0x170 [14710.807732][ T7704] __sys_sendmsg+0xcd/0x170 [14710.807732][ T7704] do_syscall_64+0xc6/0x1e0 [14710.807732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14710.807732][ T7704] [14710.810005][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14710.810005][ T7704] netdev_get_by_index+0x5e/0x80 [14710.810005][ T7704] fib6_nh_init+0x3d8/0x15b0 [14710.810005][ T7704] ip6_route_info_create+0xf18/0x17d0 [14710.810005][ T7704] ip6_route_add+0x1c/0x140 [14710.810005][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14710.810005][ T7704] addrconf_add_dev+0xe2/0x170 [14710.810005][ T7704] inet6_addr_add+0x12f/0xa40 [14710.810005][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14710.810005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14710.810005][ T7704] netlink_rcv_skb+0x130/0x360 [14710.810005][ T7704] netlink_unicast+0x449/0x710 [14710.810005][ T7704] netlink_sendmsg+0x723/0xbe0 [14710.810005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14710.810005][ T7704] ___sys_sendmsg+0xee/0x170 [14710.810005][ T7704] __sys_sendmsg+0xcd/0x170 [14710.810005][ T7704] do_syscall_64+0xc6/0x1e0 [14710.810005][ T7704] [14710.812208][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14710.812208][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14710.812208][ T7704] ipv6_find_idev+0x102/0x170 [14710.812208][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14710.812208][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14710.812208][ T7704] netlink_rcv_skb+0x130/0x360 [14710.812208][ T7704] netlink_unicast+0x449/0x710 [14710.812208][ T7704] netlink_sendmsg+0x723/0xbe0 [14710.812208][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14710.812208][ T7704] ___sys_sendmsg+0xee/0x170 [14710.812208][ T7704] __sys_sendmsg+0xcd/0x170 [14710.812208][ T7704] do_syscall_64+0xc6/0x1e0 [14710.812208][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14710.812208][ T7704] [14710.813951][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14710.813951][ T7704] neigh_parms_alloc+0x1e5/0x510 [14710.813951][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14710.813951][ T7704] ipv6_find_idev+0x102/0x170 [14710.813951][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14710.813951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14710.813951][ T7704] netlink_rcv_skb+0x130/0x360 [14710.813951][ T7704] netlink_unicast+0x449/0x710 [14710.813951][ T7704] netlink_sendmsg+0x723/0xbe0 [14710.813951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14710.813951][ T7704] ___sys_sendmsg+0xee/0x170 [14710.813951][ T7704] __sys_sendmsg+0xcd/0x170 [14710.813951][ T7704] do_syscall_64+0xc6/0x1e0 [14710.813951][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14710.813951][ T7704] [14720.876779][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14720.877502][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14720.877502][ T7704] netdev_get_by_index+0x5e/0x80 [14720.877502][ T7704] fib6_nh_init+0x3d8/0x15b0 [14720.877502][ T7704] ip6_route_info_create+0xf18/0x17d0 [14720.877502][ T7704] ip6_route_add+0x1c/0x140 [14720.877502][ T7704] addrconf_prefix_route+0x2a6/0x430 [14720.877502][ T7704] inet6_addr_add+0x4f8/0xa40 [14720.877502][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14720.877502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14720.877502][ T7704] netlink_rcv_skb+0x130/0x360 [14720.877502][ T7704] netlink_unicast+0x449/0x710 [14720.877502][ T7704] netlink_sendmsg+0x723/0xbe0 [14720.877502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14720.877502][ T7704] ___sys_sendmsg+0xee/0x170 [14720.877502][ T7704] __sys_sendmsg+0xcd/0x170 [14720.877502][ T7704] do_syscall_64+0xc6/0x1e0 [14720.877502][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14720.877502][ T7704] [14720.881295][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14720.881295][ T7704] netdev_get_by_index+0x5e/0x80 [14720.881295][ T7704] fib6_nh_init+0x3d8/0x15b0 [14720.881295][ T7704] ip6_route_info_create+0xf18/0x17d0 [14720.881295][ T7704] addrconf_f6i_alloc+0x315/0x560 [14720.881295][ T7704] ipv6_add_addr+0x411/0x2000 [14720.881295][ T7704] inet6_addr_add+0x30e/0xa40 [14720.881295][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14720.881295][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14720.881295][ T7704] netlink_rcv_skb+0x130/0x360 [14720.881295][ T7704] netlink_unicast+0x449/0x710 [14720.881295][ T7704] netlink_sendmsg+0x723/0xbe0 [14720.881295][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14720.881295][ T7704] ___sys_sendmsg+0xee/0x170 [14720.881295][ T7704] __sys_sendmsg+0xcd/0x170 [14720.881295][ T7704] do_syscall_64+0xc6/0x1e0 [14720.881295][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14720.881295][ T7704] [14720.885058][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14720.885058][ T7704] netdev_get_by_index+0x5e/0x80 [14720.885058][ T7704] fib6_nh_init+0x3d8/0x15b0 [14720.885058][ T7704] ip6_route_info_create+0xf18/0x17d0 [14720.885058][ T7704] ip6_route_add+0x1c/0x140 [14720.885058][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14720.885058][ T7704] addrconf_add_dev+0xe2/0x170 [14720.885058][ T7704] inet6_addr_add+0x12f/0xa40 [14720.885058][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14720.885058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14720.885058][ T7704] netlink_rcv_skb+0x130/0x360 [14720.885058][ T7704] netlink_unicast+0x449/0x710 [14720.885058][ T7704] netlink_sendmsg+0x723/0xbe0 [14720.885058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14720.885058][ T7704] ___sys_sendmsg+0xee/0x170 [14720.885058][ T7704] __sys_sendmsg+0xcd/0x170 [14720.885058][ T7704] do_syscall_64+0xc6/0x1e0 [14720.885058][ T7704] [14720.888751][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14720.888751][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14720.888751][ T7704] ipv6_find_idev+0x102/0x170 [14720.888751][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14720.888751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14720.888751][ T7704] netlink_rcv_skb+0x130/0x360 [14720.888751][ T7704] netlink_unicast+0x449/0x710 [14720.888751][ T7704] netlink_sendmsg+0x723/0xbe0 [14720.888751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14720.888751][ T7704] ___sys_sendmsg+0xee/0x170 [14720.888751][ T7704] __sys_sendmsg+0xcd/0x170 [14720.888751][ T7704] do_syscall_64+0xc6/0x1e0 [14720.888751][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14720.888751][ T7704] [14720.891559][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14720.891559][ T7704] neigh_parms_alloc+0x1e5/0x510 [14720.891559][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14720.891559][ T7704] ipv6_find_idev+0x102/0x170 [14720.891559][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14720.891559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14720.891559][ T7704] netlink_rcv_skb+0x130/0x360 [14720.891559][ T7704] netlink_unicast+0x449/0x710 [14720.891559][ T7704] netlink_sendmsg+0x723/0xbe0 [14720.891559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14720.891559][ T7704] ___sys_sendmsg+0xee/0x170 [14720.891559][ T7704] __sys_sendmsg+0xcd/0x170 [14720.891559][ T7704] do_syscall_64+0xc6/0x1e0 [14720.891559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14720.891559][ T7704] [14731.148822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14731.149346][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14731.149346][ T7704] netdev_get_by_index+0x5e/0x80 [14731.149346][ T7704] fib6_nh_init+0x3d8/0x15b0 [14731.149346][ T7704] ip6_route_info_create+0xf18/0x17d0 [14731.149346][ T7704] ip6_route_add+0x1c/0x140 [14731.149346][ T7704] addrconf_prefix_route+0x2a6/0x430 [14731.149346][ T7704] inet6_addr_add+0x4f8/0xa40 [14731.149346][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14731.149346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14731.149346][ T7704] netlink_rcv_skb+0x130/0x360 [14731.149346][ T7704] netlink_unicast+0x449/0x710 [14731.149346][ T7704] netlink_sendmsg+0x723/0xbe0 [14731.149346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14731.149346][ T7704] ___sys_sendmsg+0xee/0x170 [14731.149346][ T7704] __sys_sendmsg+0xcd/0x170 [14731.149346][ T7704] do_syscall_64+0xc6/0x1e0 [14731.149346][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14731.149346][ T7704] [14731.151790][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14731.151790][ T7704] netdev_get_by_index+0x5e/0x80 [14731.151790][ T7704] fib6_nh_init+0x3d8/0x15b0 [14731.151790][ T7704] ip6_route_info_create+0xf18/0x17d0 [14731.151790][ T7704] addrconf_f6i_alloc+0x315/0x560 [14731.151790][ T7704] ipv6_add_addr+0x411/0x2000 [14731.151790][ T7704] inet6_addr_add+0x30e/0xa40 [14731.151790][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14731.151790][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14731.151790][ T7704] netlink_rcv_skb+0x130/0x360 [14731.151790][ T7704] netlink_unicast+0x449/0x710 [14731.151790][ T7704] netlink_sendmsg+0x723/0xbe0 [14731.151790][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14731.151790][ T7704] ___sys_sendmsg+0xee/0x170 [14731.151790][ T7704] __sys_sendmsg+0xcd/0x170 [14731.151790][ T7704] do_syscall_64+0xc6/0x1e0 [14731.151790][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14731.151790][ T7704] [14731.154033][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14731.154033][ T7704] netdev_get_by_index+0x5e/0x80 [14731.154033][ T7704] fib6_nh_init+0x3d8/0x15b0 [14731.154033][ T7704] ip6_route_info_create+0xf18/0x17d0 [14731.154033][ T7704] ip6_route_add+0x1c/0x140 [14731.154033][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14731.154033][ T7704] addrconf_add_dev+0xe2/0x170 [14731.154033][ T7704] inet6_addr_add+0x12f/0xa40 [14731.154033][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14731.154033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14731.154033][ T7704] netlink_rcv_skb+0x130/0x360 [14731.154033][ T7704] netlink_unicast+0x449/0x710 [14731.154033][ T7704] netlink_sendmsg+0x723/0xbe0 [14731.154033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14731.154033][ T7704] ___sys_sendmsg+0xee/0x170 [14731.154033][ T7704] __sys_sendmsg+0xcd/0x170 [14731.154033][ T7704] do_syscall_64+0xc6/0x1e0 [14731.154033][ T7704] [14731.156258][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14731.156258][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14731.156258][ T7704] ipv6_find_idev+0x102/0x170 [14731.156258][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14731.156258][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14731.156258][ T7704] netlink_rcv_skb+0x130/0x360 [14731.156258][ T7704] netlink_unicast+0x449/0x710 [14731.156258][ T7704] netlink_sendmsg+0x723/0xbe0 [14731.156258][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14731.156258][ T7704] ___sys_sendmsg+0xee/0x170 [14731.156258][ T7704] __sys_sendmsg+0xcd/0x170 [14731.156258][ T7704] do_syscall_64+0xc6/0x1e0 [14731.156258][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14731.156258][ T7704] [14731.158047][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14731.158047][ T7704] neigh_parms_alloc+0x1e5/0x510 [14731.158047][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14731.158047][ T7704] ipv6_find_idev+0x102/0x170 [14731.158047][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14731.158047][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14731.158047][ T7704] netlink_rcv_skb+0x130/0x360 [14731.158047][ T7704] netlink_unicast+0x449/0x710 [14731.158047][ T7704] netlink_sendmsg+0x723/0xbe0 [14731.158047][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14731.158047][ T7704] ___sys_sendmsg+0xee/0x170 [14731.158047][ T7704] __sys_sendmsg+0xcd/0x170 [14731.158047][ T7704] do_syscall_64+0xc6/0x1e0 [14731.158047][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14731.158047][ T7704] [14741.396841][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14741.397323][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14741.397323][ T7704] netdev_get_by_index+0x5e/0x80 [14741.397323][ T7704] fib6_nh_init+0x3d8/0x15b0 [14741.397323][ T7704] ip6_route_info_create+0xf18/0x17d0 [14741.397323][ T7704] ip6_route_add+0x1c/0x140 [14741.397323][ T7704] addrconf_prefix_route+0x2a6/0x430 [14741.397323][ T7704] inet6_addr_add+0x4f8/0xa40 [14741.397323][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14741.397323][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14741.397323][ T7704] netlink_rcv_skb+0x130/0x360 [14741.397323][ T7704] netlink_unicast+0x449/0x710 [14741.397323][ T7704] netlink_sendmsg+0x723/0xbe0 [14741.397323][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14741.397323][ T7704] ___sys_sendmsg+0xee/0x170 [14741.397323][ T7704] __sys_sendmsg+0xcd/0x170 [14741.397323][ T7704] do_syscall_64+0xc6/0x1e0 [14741.397323][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14741.397323][ T7704] [14741.399556][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14741.399556][ T7704] netdev_get_by_index+0x5e/0x80 [14741.399556][ T7704] fib6_nh_init+0x3d8/0x15b0 [14741.399556][ T7704] ip6_route_info_create+0xf18/0x17d0 [14741.399556][ T7704] addrconf_f6i_alloc+0x315/0x560 [14741.399556][ T7704] ipv6_add_addr+0x411/0x2000 [14741.399556][ T7704] inet6_addr_add+0x30e/0xa40 [14741.399556][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14741.399556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14741.399556][ T7704] netlink_rcv_skb+0x130/0x360 [14741.399556][ T7704] netlink_unicast+0x449/0x710 [14741.399556][ T7704] netlink_sendmsg+0x723/0xbe0 [14741.399556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14741.399556][ T7704] ___sys_sendmsg+0xee/0x170 [14741.399556][ T7704] __sys_sendmsg+0xcd/0x170 [14741.399556][ T7704] do_syscall_64+0xc6/0x1e0 [14741.399556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14741.399556][ T7704] [14741.401761][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14741.401761][ T7704] netdev_get_by_index+0x5e/0x80 [14741.401761][ T7704] fib6_nh_init+0x3d8/0x15b0 [14741.401761][ T7704] ip6_route_info_create+0xf18/0x17d0 [14741.401761][ T7704] ip6_route_add+0x1c/0x140 [14741.401761][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14741.401761][ T7704] addrconf_add_dev+0xe2/0x170 [14741.401761][ T7704] inet6_addr_add+0x12f/0xa40 [14741.401761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14741.401761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14741.401761][ T7704] netlink_rcv_skb+0x130/0x360 [14741.401761][ T7704] netlink_unicast+0x449/0x710 [14741.401761][ T7704] netlink_sendmsg+0x723/0xbe0 [14741.401761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14741.401761][ T7704] ___sys_sendmsg+0xee/0x170 [14741.401761][ T7704] __sys_sendmsg+0xcd/0x170 [14741.401761][ T7704] do_syscall_64+0xc6/0x1e0 [14741.401761][ T7704] [14741.403944][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14741.403944][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14741.403944][ T7704] ipv6_find_idev+0x102/0x170 [14741.403944][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14741.403944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14741.403944][ T7704] netlink_rcv_skb+0x130/0x360 [14741.403944][ T7704] netlink_unicast+0x449/0x710 [14741.403944][ T7704] netlink_sendmsg+0x723/0xbe0 [14741.403944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14741.403944][ T7704] ___sys_sendmsg+0xee/0x170 [14741.403944][ T7704] __sys_sendmsg+0xcd/0x170 [14741.403944][ T7704] do_syscall_64+0xc6/0x1e0 [14741.403944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14741.403944][ T7704] [14741.405783][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14741.405783][ T7704] neigh_parms_alloc+0x1e5/0x510 [14741.405783][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14741.405783][ T7704] ipv6_find_idev+0x102/0x170 [14741.405783][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14741.405783][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14741.405783][ T7704] netlink_rcv_skb+0x130/0x360 [14741.405783][ T7704] netlink_unicast+0x449/0x710 [14741.405783][ T7704] netlink_sendmsg+0x723/0xbe0 [14741.405783][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14741.405783][ T7704] ___sys_sendmsg+0xee/0x170 [14741.405783][ T7704] __sys_sendmsg+0xcd/0x170 [14741.405783][ T7704] do_syscall_64+0xc6/0x1e0 [14741.405783][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14741.405783][ T7704] [14751.644838][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14751.645375][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14751.645375][ T7704] netdev_get_by_index+0x5e/0x80 [14751.645375][ T7704] fib6_nh_init+0x3d8/0x15b0 [14751.645375][ T7704] ip6_route_info_create+0xf18/0x17d0 [14751.645375][ T7704] ip6_route_add+0x1c/0x140 [14751.645375][ T7704] addrconf_prefix_route+0x2a6/0x430 [14751.645375][ T7704] inet6_addr_add+0x4f8/0xa40 [14751.645375][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14751.645375][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14751.645375][ T7704] netlink_rcv_skb+0x130/0x360 [14751.645375][ T7704] netlink_unicast+0x449/0x710 [14751.645375][ T7704] netlink_sendmsg+0x723/0xbe0 [14751.645375][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14751.645375][ T7704] ___sys_sendmsg+0xee/0x170 [14751.645375][ T7704] __sys_sendmsg+0xcd/0x170 [14751.645375][ T7704] do_syscall_64+0xc6/0x1e0 [14751.645375][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14751.645375][ T7704] [14751.647866][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14751.647866][ T7704] netdev_get_by_index+0x5e/0x80 [14751.647866][ T7704] fib6_nh_init+0x3d8/0x15b0 [14751.647866][ T7704] ip6_route_info_create+0xf18/0x17d0 [14751.647866][ T7704] addrconf_f6i_alloc+0x315/0x560 [14751.647866][ T7704] ipv6_add_addr+0x411/0x2000 [14751.647866][ T7704] inet6_addr_add+0x30e/0xa40 [14751.647866][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14751.647866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14751.647866][ T7704] netlink_rcv_skb+0x130/0x360 [14751.647866][ T7704] netlink_unicast+0x449/0x710 [14751.647866][ T7704] netlink_sendmsg+0x723/0xbe0 [14751.647866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14751.647866][ T7704] ___sys_sendmsg+0xee/0x170 [14751.647866][ T7704] __sys_sendmsg+0xcd/0x170 [14751.647866][ T7704] do_syscall_64+0xc6/0x1e0 [14751.647866][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14751.647866][ T7704] [14751.650318][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14751.650318][ T7704] netdev_get_by_index+0x5e/0x80 [14751.650318][ T7704] fib6_nh_init+0x3d8/0x15b0 [14751.650318][ T7704] ip6_route_info_create+0xf18/0x17d0 [14751.650318][ T7704] ip6_route_add+0x1c/0x140 [14751.650318][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14751.650318][ T7704] addrconf_add_dev+0xe2/0x170 [14751.650318][ T7704] inet6_addr_add+0x12f/0xa40 [14751.650318][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14751.650318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14751.650318][ T7704] netlink_rcv_skb+0x130/0x360 [14751.650318][ T7704] netlink_unicast+0x449/0x710 [14751.650318][ T7704] netlink_sendmsg+0x723/0xbe0 [14751.650318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14751.650318][ T7704] ___sys_sendmsg+0xee/0x170 [14751.650318][ T7704] __sys_sendmsg+0xcd/0x170 [14751.650318][ T7704] do_syscall_64+0xc6/0x1e0 [14751.650318][ T7704] [14751.652732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14751.652732][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14751.652732][ T7704] ipv6_find_idev+0x102/0x170 [14751.652732][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14751.652732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14751.652732][ T7704] netlink_rcv_skb+0x130/0x360 [14751.652732][ T7704] netlink_unicast+0x449/0x710 [14751.652732][ T7704] netlink_sendmsg+0x723/0xbe0 [14751.652732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14751.652732][ T7704] ___sys_sendmsg+0xee/0x170 [14751.652732][ T7704] __sys_sendmsg+0xcd/0x170 [14751.652732][ T7704] do_syscall_64+0xc6/0x1e0 [14751.652732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14751.652732][ T7704] [14751.654663][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14751.654663][ T7704] neigh_parms_alloc+0x1e5/0x510 [14751.654663][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14751.654663][ T7704] ipv6_find_idev+0x102/0x170 [14751.654663][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14751.654663][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14751.654663][ T7704] netlink_rcv_skb+0x130/0x360 [14751.654663][ T7704] netlink_unicast+0x449/0x710 [14751.654663][ T7704] netlink_sendmsg+0x723/0xbe0 [14751.654663][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14751.654663][ T7704] ___sys_sendmsg+0xee/0x170 [14751.654663][ T7704] __sys_sendmsg+0xcd/0x170 [14751.654663][ T7704] do_syscall_64+0xc6/0x1e0 [14751.654663][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14751.654663][ T7704] [14761.892885][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14761.893427][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14761.893427][ T7704] netdev_get_by_index+0x5e/0x80 [14761.893427][ T7704] fib6_nh_init+0x3d8/0x15b0 [14761.893427][ T7704] ip6_route_info_create+0xf18/0x17d0 [14761.893427][ T7704] ip6_route_add+0x1c/0x140 [14761.893427][ T7704] addrconf_prefix_route+0x2a6/0x430 [14761.893427][ T7704] inet6_addr_add+0x4f8/0xa40 [14761.893427][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14761.893427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14761.893427][ T7704] netlink_rcv_skb+0x130/0x360 [14761.893427][ T7704] netlink_unicast+0x449/0x710 [14761.893427][ T7704] netlink_sendmsg+0x723/0xbe0 [14761.893427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14761.893427][ T7704] ___sys_sendmsg+0xee/0x170 [14761.893427][ T7704] __sys_sendmsg+0xcd/0x170 [14761.893427][ T7704] do_syscall_64+0xc6/0x1e0 [14761.893427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14761.893427][ T7704] [14761.895930][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14761.895930][ T7704] netdev_get_by_index+0x5e/0x80 [14761.895930][ T7704] fib6_nh_init+0x3d8/0x15b0 [14761.895930][ T7704] ip6_route_info_create+0xf18/0x17d0 [14761.895930][ T7704] addrconf_f6i_alloc+0x315/0x560 [14761.895930][ T7704] ipv6_add_addr+0x411/0x2000 [14761.895930][ T7704] inet6_addr_add+0x30e/0xa40 [14761.895930][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14761.895930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14761.895930][ T7704] netlink_rcv_skb+0x130/0x360 [14761.895930][ T7704] netlink_unicast+0x449/0x710 [14761.895930][ T7704] netlink_sendmsg+0x723/0xbe0 [14761.895930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14761.895930][ T7704] ___sys_sendmsg+0xee/0x170 [14761.895930][ T7704] __sys_sendmsg+0xcd/0x170 [14761.895930][ T7704] do_syscall_64+0xc6/0x1e0 [14761.895930][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14761.895930][ T7704] [14761.898391][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14761.898391][ T7704] netdev_get_by_index+0x5e/0x80 [14761.898391][ T7704] fib6_nh_init+0x3d8/0x15b0 [14761.898391][ T7704] ip6_route_info_create+0xf18/0x17d0 [14761.898391][ T7704] ip6_route_add+0x1c/0x140 [14761.898391][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14761.898391][ T7704] addrconf_add_dev+0xe2/0x170 [14761.898391][ T7704] inet6_addr_add+0x12f/0xa40 [14761.898391][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14761.898391][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14761.898391][ T7704] netlink_rcv_skb+0x130/0x360 [14761.898391][ T7704] netlink_unicast+0x449/0x710 [14761.898391][ T7704] netlink_sendmsg+0x723/0xbe0 [14761.898391][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14761.898391][ T7704] ___sys_sendmsg+0xee/0x170 [14761.898391][ T7704] __sys_sendmsg+0xcd/0x170 [14761.898391][ T7704] do_syscall_64+0xc6/0x1e0 [14761.898391][ T7704] [14761.900797][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14761.900797][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14761.900797][ T7704] ipv6_find_idev+0x102/0x170 [14761.900797][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14761.900797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14761.900797][ T7704] netlink_rcv_skb+0x130/0x360 [14761.900797][ T7704] netlink_unicast+0x449/0x710 [14761.900797][ T7704] netlink_sendmsg+0x723/0xbe0 [14761.900797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14761.900797][ T7704] ___sys_sendmsg+0xee/0x170 [14761.900797][ T7704] __sys_sendmsg+0xcd/0x170 [14761.900797][ T7704] do_syscall_64+0xc6/0x1e0 [14761.900797][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14761.900797][ T7704] [14761.902704][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14761.902704][ T7704] neigh_parms_alloc+0x1e5/0x510 [14761.902704][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14761.902704][ T7704] ipv6_find_idev+0x102/0x170 [14761.902704][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14761.902704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14761.902704][ T7704] netlink_rcv_skb+0x130/0x360 [14761.902704][ T7704] netlink_unicast+0x449/0x710 [14761.902704][ T7704] netlink_sendmsg+0x723/0xbe0 [14761.902704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14761.902704][ T7704] ___sys_sendmsg+0xee/0x170 [14761.902704][ T7704] __sys_sendmsg+0xcd/0x170 [14761.902704][ T7704] do_syscall_64+0xc6/0x1e0 [14761.902704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14761.902704][ T7704] [14772.012845][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14772.013521][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14772.013521][ T7704] netdev_get_by_index+0x5e/0x80 [14772.013521][ T7704] fib6_nh_init+0x3d8/0x15b0 [14772.013521][ T7704] ip6_route_info_create+0xf18/0x17d0 [14772.013521][ T7704] ip6_route_add+0x1c/0x140 [14772.013521][ T7704] addrconf_prefix_route+0x2a6/0x430 [14772.013521][ T7704] inet6_addr_add+0x4f8/0xa40 [14772.013521][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14772.013521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14772.013521][ T7704] netlink_rcv_skb+0x130/0x360 [14772.013521][ T7704] netlink_unicast+0x449/0x710 [14772.013521][ T7704] netlink_sendmsg+0x723/0xbe0 [14772.013521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14772.013521][ T7704] ___sys_sendmsg+0xee/0x170 [14772.013521][ T7704] __sys_sendmsg+0xcd/0x170 [14772.013521][ T7704] do_syscall_64+0xc6/0x1e0 [14772.013521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14772.013521][ T7704] [14772.016052][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14772.016052][ T7704] netdev_get_by_index+0x5e/0x80 [14772.016052][ T7704] fib6_nh_init+0x3d8/0x15b0 [14772.016052][ T7704] ip6_route_info_create+0xf18/0x17d0 [14772.016052][ T7704] addrconf_f6i_alloc+0x315/0x560 [14772.016052][ T7704] ipv6_add_addr+0x411/0x2000 [14772.016052][ T7704] inet6_addr_add+0x30e/0xa40 [14772.016052][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14772.016052][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14772.016052][ T7704] netlink_rcv_skb+0x130/0x360 [14772.016052][ T7704] netlink_unicast+0x449/0x710 [14772.016052][ T7704] netlink_sendmsg+0x723/0xbe0 [14772.016052][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14772.016052][ T7704] ___sys_sendmsg+0xee/0x170 [14772.016052][ T7704] __sys_sendmsg+0xcd/0x170 [14772.016052][ T7704] do_syscall_64+0xc6/0x1e0 [14772.016052][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14772.016052][ T7704] [14772.018556][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14772.018556][ T7704] netdev_get_by_index+0x5e/0x80 [14772.018556][ T7704] fib6_nh_init+0x3d8/0x15b0 [14772.018556][ T7704] ip6_route_info_create+0xf18/0x17d0 [14772.018556][ T7704] ip6_route_add+0x1c/0x140 [14772.018556][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14772.018556][ T7704] addrconf_add_dev+0xe2/0x170 [14772.018556][ T7704] inet6_addr_add+0x12f/0xa40 [14772.018556][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14772.018556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14772.018556][ T7704] netlink_rcv_skb+0x130/0x360 [14772.018556][ T7704] netlink_unicast+0x449/0x710 [14772.018556][ T7704] netlink_sendmsg+0x723/0xbe0 [14772.018556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14772.018556][ T7704] ___sys_sendmsg+0xee/0x170 [14772.018556][ T7704] __sys_sendmsg+0xcd/0x170 [14772.018556][ T7704] do_syscall_64+0xc6/0x1e0 [14772.018556][ T7704] [14772.020982][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14772.020982][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14772.020982][ T7704] ipv6_find_idev+0x102/0x170 [14772.020982][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14772.020982][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14772.020982][ T7704] netlink_rcv_skb+0x130/0x360 [14772.020982][ T7704] netlink_unicast+0x449/0x710 [14772.020982][ T7704] netlink_sendmsg+0x723/0xbe0 [14772.020982][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14772.020982][ T7704] ___sys_sendmsg+0xee/0x170 [14772.020982][ T7704] __sys_sendmsg+0xcd/0x170 [14772.020982][ T7704] do_syscall_64+0xc6/0x1e0 [14772.020982][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14772.020982][ T7704] [14772.022895][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14772.022895][ T7704] neigh_parms_alloc+0x1e5/0x510 [14772.022895][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14772.022895][ T7704] ipv6_find_idev+0x102/0x170 [14772.022895][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14772.022895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14772.022895][ T7704] netlink_rcv_skb+0x130/0x360 [14772.022895][ T7704] netlink_unicast+0x449/0x710 [14772.022895][ T7704] netlink_sendmsg+0x723/0xbe0 [14772.022895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14772.022895][ T7704] ___sys_sendmsg+0xee/0x170 [14772.022895][ T7704] __sys_sendmsg+0xcd/0x170 [14772.022895][ T7704] do_syscall_64+0xc6/0x1e0 [14772.022895][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14772.022895][ T7704] [14782.260863][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14782.261372][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14782.261372][ T7704] netdev_get_by_index+0x5e/0x80 [14782.261372][ T7704] fib6_nh_init+0x3d8/0x15b0 [14782.261372][ T7704] ip6_route_info_create+0xf18/0x17d0 [14782.261372][ T7704] ip6_route_add+0x1c/0x140 [14782.261372][ T7704] addrconf_prefix_route+0x2a6/0x430 [14782.261372][ T7704] inet6_addr_add+0x4f8/0xa40 [14782.261372][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14782.261372][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14782.261372][ T7704] netlink_rcv_skb+0x130/0x360 [14782.261372][ T7704] netlink_unicast+0x449/0x710 [14782.261372][ T7704] netlink_sendmsg+0x723/0xbe0 [14782.261372][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14782.261372][ T7704] ___sys_sendmsg+0xee/0x170 [14782.261372][ T7704] __sys_sendmsg+0xcd/0x170 [14782.261372][ T7704] do_syscall_64+0xc6/0x1e0 [14782.261372][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14782.261372][ T7704] [14782.263620][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14782.263620][ T7704] netdev_get_by_index+0x5e/0x80 [14782.263620][ T7704] fib6_nh_init+0x3d8/0x15b0 [14782.263620][ T7704] ip6_route_info_create+0xf18/0x17d0 [14782.263620][ T7704] addrconf_f6i_alloc+0x315/0x560 [14782.263620][ T7704] ipv6_add_addr+0x411/0x2000 [14782.263620][ T7704] inet6_addr_add+0x30e/0xa40 [14782.263620][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14782.263620][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14782.263620][ T7704] netlink_rcv_skb+0x130/0x360 [14782.263620][ T7704] netlink_unicast+0x449/0x710 [14782.263620][ T7704] netlink_sendmsg+0x723/0xbe0 [14782.263620][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14782.263620][ T7704] ___sys_sendmsg+0xee/0x170 [14782.263620][ T7704] __sys_sendmsg+0xcd/0x170 [14782.263620][ T7704] do_syscall_64+0xc6/0x1e0 [14782.263620][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14782.263620][ T7704] [14782.265853][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14782.265853][ T7704] netdev_get_by_index+0x5e/0x80 [14782.265853][ T7704] fib6_nh_init+0x3d8/0x15b0 [14782.265853][ T7704] ip6_route_info_create+0xf18/0x17d0 [14782.265853][ T7704] ip6_route_add+0x1c/0x140 [14782.265853][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14782.265853][ T7704] addrconf_add_dev+0xe2/0x170 [14782.265853][ T7704] inet6_addr_add+0x12f/0xa40 [14782.265853][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14782.265853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14782.265853][ T7704] netlink_rcv_skb+0x130/0x360 [14782.265853][ T7704] netlink_unicast+0x449/0x710 [14782.265853][ T7704] netlink_sendmsg+0x723/0xbe0 [14782.265853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14782.265853][ T7704] ___sys_sendmsg+0xee/0x170 [14782.265853][ T7704] __sys_sendmsg+0xcd/0x170 [14782.265853][ T7704] do_syscall_64+0xc6/0x1e0 [14782.265853][ T7704] [14782.268023][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14782.268023][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14782.268023][ T7704] ipv6_find_idev+0x102/0x170 [14782.268023][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14782.268023][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14782.268023][ T7704] netlink_rcv_skb+0x130/0x360 [14782.268023][ T7704] netlink_unicast+0x449/0x710 [14782.268023][ T7704] netlink_sendmsg+0x723/0xbe0 [14782.268023][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14782.268023][ T7704] ___sys_sendmsg+0xee/0x170 [14782.268023][ T7704] __sys_sendmsg+0xcd/0x170 [14782.268023][ T7704] do_syscall_64+0xc6/0x1e0 [14782.268023][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14782.268023][ T7704] [14782.269732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14782.269732][ T7704] neigh_parms_alloc+0x1e5/0x510 [14782.269732][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14782.269732][ T7704] ipv6_find_idev+0x102/0x170 [14782.269732][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14782.269732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14782.269732][ T7704] netlink_rcv_skb+0x130/0x360 [14782.269732][ T7704] netlink_unicast+0x449/0x710 [14782.269732][ T7704] netlink_sendmsg+0x723/0xbe0 [14782.269732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14782.269732][ T7704] ___sys_sendmsg+0xee/0x170 [14782.269732][ T7704] __sys_sendmsg+0xcd/0x170 [14782.269732][ T7704] do_syscall_64+0xc6/0x1e0 [14782.269732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14782.269732][ T7704] [14792.508879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14792.509873][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14792.509873][ T7704] netdev_get_by_index+0x5e/0x80 [14792.509873][ T7704] fib6_nh_init+0x3d8/0x15b0 [14792.509873][ T7704] ip6_route_info_create+0xf18/0x17d0 [14792.509873][ T7704] ip6_route_add+0x1c/0x140 [14792.509873][ T7704] addrconf_prefix_route+0x2a6/0x430 [14792.509873][ T7704] inet6_addr_add+0x4f8/0xa40 [14792.509873][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14792.509873][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14792.509873][ T7704] netlink_rcv_skb+0x130/0x360 [14792.509873][ T7704] netlink_unicast+0x449/0x710 [14792.509873][ T7704] netlink_sendmsg+0x723/0xbe0 [14792.509873][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14792.509873][ T7704] ___sys_sendmsg+0xee/0x170 [14792.509873][ T7704] __sys_sendmsg+0xcd/0x170 [14792.509873][ T7704] do_syscall_64+0xc6/0x1e0 [14792.509873][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14792.509873][ T7704] [14792.512058][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14792.512058][ T7704] netdev_get_by_index+0x5e/0x80 [14792.512058][ T7704] fib6_nh_init+0x3d8/0x15b0 [14792.512058][ T7704] ip6_route_info_create+0xf18/0x17d0 [14792.512058][ T7704] addrconf_f6i_alloc+0x315/0x560 [14792.512058][ T7704] ipv6_add_addr+0x411/0x2000 [14792.512058][ T7704] inet6_addr_add+0x30e/0xa40 [14792.512058][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14792.512058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14792.512058][ T7704] netlink_rcv_skb+0x130/0x360 [14792.512058][ T7704] netlink_unicast+0x449/0x710 [14792.512058][ T7704] netlink_sendmsg+0x723/0xbe0 [14792.512058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14792.512058][ T7704] ___sys_sendmsg+0xee/0x170 [14792.512058][ T7704] __sys_sendmsg+0xcd/0x170 [14792.512058][ T7704] do_syscall_64+0xc6/0x1e0 [14792.512058][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14792.512058][ T7704] [14792.514283][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14792.514283][ T7704] netdev_get_by_index+0x5e/0x80 [14792.514283][ T7704] fib6_nh_init+0x3d8/0x15b0 [14792.514283][ T7704] ip6_route_info_create+0xf18/0x17d0 [14792.514283][ T7704] ip6_route_add+0x1c/0x140 [14792.514283][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14792.514283][ T7704] addrconf_add_dev+0xe2/0x170 [14792.514283][ T7704] inet6_addr_add+0x12f/0xa40 [14792.514283][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14792.514283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14792.514283][ T7704] netlink_rcv_skb+0x130/0x360 [14792.514283][ T7704] netlink_unicast+0x449/0x710 [14792.514283][ T7704] netlink_sendmsg+0x723/0xbe0 [14792.514283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14792.514283][ T7704] ___sys_sendmsg+0xee/0x170 [14792.514283][ T7704] __sys_sendmsg+0xcd/0x170 [14792.514283][ T7704] do_syscall_64+0xc6/0x1e0 [14792.514283][ T7704] [14792.516443][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14792.516443][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14792.516443][ T7704] ipv6_find_idev+0x102/0x170 [14792.516443][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14792.516443][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14792.516443][ T7704] netlink_rcv_skb+0x130/0x360 [14792.516443][ T7704] netlink_unicast+0x449/0x710 [14792.516443][ T7704] netlink_sendmsg+0x723/0xbe0 [14792.516443][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14792.516443][ T7704] ___sys_sendmsg+0xee/0x170 [14792.516443][ T7704] __sys_sendmsg+0xcd/0x170 [14792.516443][ T7704] do_syscall_64+0xc6/0x1e0 [14792.516443][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14792.516443][ T7704] [14792.518120][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14792.518120][ T7704] neigh_parms_alloc+0x1e5/0x510 [14792.518120][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14792.518120][ T7704] ipv6_find_idev+0x102/0x170 [14792.518120][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14792.518120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14792.518120][ T7704] netlink_rcv_skb+0x130/0x360 [14792.518120][ T7704] netlink_unicast+0x449/0x710 [14792.518120][ T7704] netlink_sendmsg+0x723/0xbe0 [14792.518120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14792.518120][ T7704] ___sys_sendmsg+0xee/0x170 [14792.518120][ T7704] __sys_sendmsg+0xcd/0x170 [14792.518120][ T7704] do_syscall_64+0xc6/0x1e0 [14792.518120][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14792.518120][ T7704] [14802.748839][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14802.749262][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14802.749262][ T7704] netdev_get_by_index+0x5e/0x80 [14802.749262][ T7704] fib6_nh_init+0x3d8/0x15b0 [14802.749262][ T7704] ip6_route_info_create+0xf18/0x17d0 [14802.749262][ T7704] ip6_route_add+0x1c/0x140 [14802.749262][ T7704] addrconf_prefix_route+0x2a6/0x430 [14802.749262][ T7704] inet6_addr_add+0x4f8/0xa40 [14802.749262][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14802.749262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14802.749262][ T7704] netlink_rcv_skb+0x130/0x360 [14802.749262][ T7704] netlink_unicast+0x449/0x710 [14802.749262][ T7704] netlink_sendmsg+0x723/0xbe0 [14802.749262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14802.749262][ T7704] ___sys_sendmsg+0xee/0x170 [14802.749262][ T7704] __sys_sendmsg+0xcd/0x170 [14802.749262][ T7704] do_syscall_64+0xc6/0x1e0 [14802.749262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14802.749262][ T7704] [14802.751485][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14802.751485][ T7704] netdev_get_by_index+0x5e/0x80 [14802.751485][ T7704] fib6_nh_init+0x3d8/0x15b0 [14802.751485][ T7704] ip6_route_info_create+0xf18/0x17d0 [14802.751485][ T7704] addrconf_f6i_alloc+0x315/0x560 [14802.751485][ T7704] ipv6_add_addr+0x411/0x2000 [14802.751485][ T7704] inet6_addr_add+0x30e/0xa40 [14802.751485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14802.751485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14802.751485][ T7704] netlink_rcv_skb+0x130/0x360 [14802.751485][ T7704] netlink_unicast+0x449/0x710 [14802.751485][ T7704] netlink_sendmsg+0x723/0xbe0 [14802.751485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14802.751485][ T7704] ___sys_sendmsg+0xee/0x170 [14802.751485][ T7704] __sys_sendmsg+0xcd/0x170 [14802.751485][ T7704] do_syscall_64+0xc6/0x1e0 [14802.751485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14802.751485][ T7704] [14802.753712][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14802.753712][ T7704] netdev_get_by_index+0x5e/0x80 [14802.753712][ T7704] fib6_nh_init+0x3d8/0x15b0 [14802.753712][ T7704] ip6_route_info_create+0xf18/0x17d0 [14802.753712][ T7704] ip6_route_add+0x1c/0x140 [14802.753712][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14802.753712][ T7704] addrconf_add_dev+0xe2/0x170 [14802.753712][ T7704] inet6_addr_add+0x12f/0xa40 [14802.753712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14802.753712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14802.753712][ T7704] netlink_rcv_skb+0x130/0x360 [14802.753712][ T7704] netlink_unicast+0x449/0x710 [14802.753712][ T7704] netlink_sendmsg+0x723/0xbe0 [14802.753712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14802.753712][ T7704] ___sys_sendmsg+0xee/0x170 [14802.753712][ T7704] __sys_sendmsg+0xcd/0x170 [14802.753712][ T7704] do_syscall_64+0xc6/0x1e0 [14802.753712][ T7704] [14802.755868][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14802.755868][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14802.755868][ T7704] ipv6_find_idev+0x102/0x170 [14802.755868][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14802.755868][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14802.755868][ T7704] netlink_rcv_skb+0x130/0x360 [14802.755868][ T7704] netlink_unicast+0x449/0x710 [14802.755868][ T7704] netlink_sendmsg+0x723/0xbe0 [14802.755868][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14802.755868][ T7704] ___sys_sendmsg+0xee/0x170 [14802.755868][ T7704] __sys_sendmsg+0xcd/0x170 [14802.755868][ T7704] do_syscall_64+0xc6/0x1e0 [14802.755868][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14802.755868][ T7704] [14802.757560][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14802.757560][ T7704] neigh_parms_alloc+0x1e5/0x510 [14802.757560][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14802.757560][ T7704] ipv6_find_idev+0x102/0x170 [14802.757560][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14802.757560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14802.757560][ T7704] netlink_rcv_skb+0x130/0x360 [14802.757560][ T7704] netlink_unicast+0x449/0x710 [14802.757560][ T7704] netlink_sendmsg+0x723/0xbe0 [14802.757560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14802.757560][ T7704] ___sys_sendmsg+0xee/0x170 [14802.757560][ T7704] __sys_sendmsg+0xcd/0x170 [14802.757560][ T7704] do_syscall_64+0xc6/0x1e0 [14802.757560][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14802.757560][ T7704] [14812.788897][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14812.789319][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14812.789319][ T7704] netdev_get_by_index+0x5e/0x80 [14812.789319][ T7704] fib6_nh_init+0x3d8/0x15b0 [14812.789319][ T7704] ip6_route_info_create+0xf18/0x17d0 [14812.789319][ T7704] ip6_route_add+0x1c/0x140 [14812.789319][ T7704] addrconf_prefix_route+0x2a6/0x430 [14812.789319][ T7704] inet6_addr_add+0x4f8/0xa40 [14812.789319][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14812.789319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14812.789319][ T7704] netlink_rcv_skb+0x130/0x360 [14812.789319][ T7704] netlink_unicast+0x449/0x710 [14812.789319][ T7704] netlink_sendmsg+0x723/0xbe0 [14812.789319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14812.789319][ T7704] ___sys_sendmsg+0xee/0x170 [14812.789319][ T7704] __sys_sendmsg+0xcd/0x170 [14812.789319][ T7704] do_syscall_64+0xc6/0x1e0 [14812.789319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14812.789319][ T7704] [14812.791538][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14812.791538][ T7704] netdev_get_by_index+0x5e/0x80 [14812.791538][ T7704] fib6_nh_init+0x3d8/0x15b0 [14812.791538][ T7704] ip6_route_info_create+0xf18/0x17d0 [14812.791538][ T7704] addrconf_f6i_alloc+0x315/0x560 [14812.791538][ T7704] ipv6_add_addr+0x411/0x2000 [14812.791538][ T7704] inet6_addr_add+0x30e/0xa40 [14812.791538][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14812.791538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14812.791538][ T7704] netlink_rcv_skb+0x130/0x360 [14812.791538][ T7704] netlink_unicast+0x449/0x710 [14812.791538][ T7704] netlink_sendmsg+0x723/0xbe0 [14812.791538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14812.791538][ T7704] ___sys_sendmsg+0xee/0x170 [14812.791538][ T7704] __sys_sendmsg+0xcd/0x170 [14812.791538][ T7704] do_syscall_64+0xc6/0x1e0 [14812.791538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14812.791538][ T7704] [14812.793751][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14812.793751][ T7704] netdev_get_by_index+0x5e/0x80 [14812.793751][ T7704] fib6_nh_init+0x3d8/0x15b0 [14812.793751][ T7704] ip6_route_info_create+0xf18/0x17d0 [14812.793751][ T7704] ip6_route_add+0x1c/0x140 [14812.793751][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14812.793751][ T7704] addrconf_add_dev+0xe2/0x170 [14812.793751][ T7704] inet6_addr_add+0x12f/0xa40 [14812.793751][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14812.793751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14812.793751][ T7704] netlink_rcv_skb+0x130/0x360 [14812.793751][ T7704] netlink_unicast+0x449/0x710 [14812.793751][ T7704] netlink_sendmsg+0x723/0xbe0 [14812.793751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14812.793751][ T7704] ___sys_sendmsg+0xee/0x170 [14812.793751][ T7704] __sys_sendmsg+0xcd/0x170 [14812.793751][ T7704] do_syscall_64+0xc6/0x1e0 [14812.793751][ T7704] [14812.795925][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14812.795925][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14812.795925][ T7704] ipv6_find_idev+0x102/0x170 [14812.795925][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14812.795925][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14812.795925][ T7704] netlink_rcv_skb+0x130/0x360 [14812.795925][ T7704] netlink_unicast+0x449/0x710 [14812.795925][ T7704] netlink_sendmsg+0x723/0xbe0 [14812.795925][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14812.795925][ T7704] ___sys_sendmsg+0xee/0x170 [14812.795925][ T7704] __sys_sendmsg+0xcd/0x170 [14812.795925][ T7704] do_syscall_64+0xc6/0x1e0 [14812.795925][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14812.795925][ T7704] [14812.797637][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14812.797637][ T7704] neigh_parms_alloc+0x1e5/0x510 [14812.797637][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14812.797637][ T7704] ipv6_find_idev+0x102/0x170 [14812.797637][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14812.797637][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14812.797637][ T7704] netlink_rcv_skb+0x130/0x360 [14812.797637][ T7704] netlink_unicast+0x449/0x710 [14812.797637][ T7704] netlink_sendmsg+0x723/0xbe0 [14812.797637][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14812.797637][ T7704] ___sys_sendmsg+0xee/0x170 [14812.797637][ T7704] __sys_sendmsg+0xcd/0x170 [14812.797637][ T7704] do_syscall_64+0xc6/0x1e0 [14812.797637][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14812.797637][ T7704] [14823.044792][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14823.045315][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14823.045315][ T7704] netdev_get_by_index+0x5e/0x80 [14823.045315][ T7704] fib6_nh_init+0x3d8/0x15b0 [14823.045315][ T7704] ip6_route_info_create+0xf18/0x17d0 [14823.045315][ T7704] ip6_route_add+0x1c/0x140 [14823.045315][ T7704] addrconf_prefix_route+0x2a6/0x430 [14823.045315][ T7704] inet6_addr_add+0x4f8/0xa40 [14823.045315][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14823.045315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14823.045315][ T7704] netlink_rcv_skb+0x130/0x360 [14823.045315][ T7704] netlink_unicast+0x449/0x710 [14823.045315][ T7704] netlink_sendmsg+0x723/0xbe0 [14823.045315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14823.045315][ T7704] ___sys_sendmsg+0xee/0x170 [14823.045315][ T7704] __sys_sendmsg+0xcd/0x170 [14823.045315][ T7704] do_syscall_64+0xc6/0x1e0 [14823.045315][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14823.045315][ T7704] [14823.047532][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14823.047532][ T7704] netdev_get_by_index+0x5e/0x80 [14823.047532][ T7704] fib6_nh_init+0x3d8/0x15b0 [14823.047532][ T7704] ip6_route_info_create+0xf18/0x17d0 [14823.047532][ T7704] addrconf_f6i_alloc+0x315/0x560 [14823.047532][ T7704] ipv6_add_addr+0x411/0x2000 [14823.047532][ T7704] inet6_addr_add+0x30e/0xa40 [14823.047532][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14823.047532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14823.047532][ T7704] netlink_rcv_skb+0x130/0x360 [14823.047532][ T7704] netlink_unicast+0x449/0x710 [14823.047532][ T7704] netlink_sendmsg+0x723/0xbe0 [14823.047532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14823.047532][ T7704] ___sys_sendmsg+0xee/0x170 [14823.047532][ T7704] __sys_sendmsg+0xcd/0x170 [14823.047532][ T7704] do_syscall_64+0xc6/0x1e0 [14823.047532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14823.047532][ T7704] [14823.049734][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14823.049734][ T7704] netdev_get_by_index+0x5e/0x80 [14823.049734][ T7704] fib6_nh_init+0x3d8/0x15b0 [14823.049734][ T7704] ip6_route_info_create+0xf18/0x17d0 [14823.049734][ T7704] ip6_route_add+0x1c/0x140 [14823.049734][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14823.049734][ T7704] addrconf_add_dev+0xe2/0x170 [14823.049734][ T7704] inet6_addr_add+0x12f/0xa40 [14823.049734][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14823.049734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14823.049734][ T7704] netlink_rcv_skb+0x130/0x360 [14823.049734][ T7704] netlink_unicast+0x449/0x710 [14823.049734][ T7704] netlink_sendmsg+0x723/0xbe0 [14823.049734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14823.049734][ T7704] ___sys_sendmsg+0xee/0x170 [14823.049734][ T7704] __sys_sendmsg+0xcd/0x170 [14823.049734][ T7704] do_syscall_64+0xc6/0x1e0 [14823.049734][ T7704] [14823.052462][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14823.052462][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14823.052462][ T7704] ipv6_find_idev+0x102/0x170 [14823.052462][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14823.052462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14823.052462][ T7704] netlink_rcv_skb+0x130/0x360 [14823.052462][ T7704] netlink_unicast+0x449/0x710 [14823.052462][ T7704] netlink_sendmsg+0x723/0xbe0 [14823.052462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14823.052462][ T7704] ___sys_sendmsg+0xee/0x170 [14823.052462][ T7704] __sys_sendmsg+0xcd/0x170 [14823.052462][ T7704] do_syscall_64+0xc6/0x1e0 [14823.052462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14823.052462][ T7704] [14823.054155][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14823.054155][ T7704] neigh_parms_alloc+0x1e5/0x510 [14823.054155][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14823.054155][ T7704] ipv6_find_idev+0x102/0x170 [14823.054155][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14823.054155][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14823.054155][ T7704] netlink_rcv_skb+0x130/0x360 [14823.054155][ T7704] netlink_unicast+0x449/0x710 [14823.054155][ T7704] netlink_sendmsg+0x723/0xbe0 [14823.054155][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14823.054155][ T7704] ___sys_sendmsg+0xee/0x170 [14823.054155][ T7704] __sys_sendmsg+0xcd/0x170 [14823.054155][ T7704] do_syscall_64+0xc6/0x1e0 [14823.054155][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14823.054155][ T7704] [14833.308835][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14833.309311][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14833.309311][ T7704] netdev_get_by_index+0x5e/0x80 [14833.309311][ T7704] fib6_nh_init+0x3d8/0x15b0 [14833.309311][ T7704] ip6_route_info_create+0xf18/0x17d0 [14833.309311][ T7704] ip6_route_add+0x1c/0x140 [14833.309311][ T7704] addrconf_prefix_route+0x2a6/0x430 [14833.309311][ T7704] inet6_addr_add+0x4f8/0xa40 [14833.309311][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14833.309311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14833.309311][ T7704] netlink_rcv_skb+0x130/0x360 [14833.309311][ T7704] netlink_unicast+0x449/0x710 [14833.309311][ T7704] netlink_sendmsg+0x723/0xbe0 [14833.309311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14833.309311][ T7704] ___sys_sendmsg+0xee/0x170 [14833.309311][ T7704] __sys_sendmsg+0xcd/0x170 [14833.309311][ T7704] do_syscall_64+0xc6/0x1e0 [14833.309311][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14833.309311][ T7704] [14833.311541][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14833.311541][ T7704] netdev_get_by_index+0x5e/0x80 [14833.311541][ T7704] fib6_nh_init+0x3d8/0x15b0 [14833.311541][ T7704] ip6_route_info_create+0xf18/0x17d0 [14833.311541][ T7704] addrconf_f6i_alloc+0x315/0x560 [14833.311541][ T7704] ipv6_add_addr+0x411/0x2000 [14833.311541][ T7704] inet6_addr_add+0x30e/0xa40 [14833.311541][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14833.311541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14833.311541][ T7704] netlink_rcv_skb+0x130/0x360 [14833.311541][ T7704] netlink_unicast+0x449/0x710 [14833.311541][ T7704] netlink_sendmsg+0x723/0xbe0 [14833.311541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14833.311541][ T7704] ___sys_sendmsg+0xee/0x170 [14833.311541][ T7704] __sys_sendmsg+0xcd/0x170 [14833.311541][ T7704] do_syscall_64+0xc6/0x1e0 [14833.311541][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14833.311541][ T7704] [14833.313768][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14833.313768][ T7704] netdev_get_by_index+0x5e/0x80 [14833.313768][ T7704] fib6_nh_init+0x3d8/0x15b0 [14833.313768][ T7704] ip6_route_info_create+0xf18/0x17d0 [14833.313768][ T7704] ip6_route_add+0x1c/0x140 [14833.313768][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14833.313768][ T7704] addrconf_add_dev+0xe2/0x170 [14833.313768][ T7704] inet6_addr_add+0x12f/0xa40 [14833.313768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14833.313768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14833.313768][ T7704] netlink_rcv_skb+0x130/0x360 [14833.313768][ T7704] netlink_unicast+0x449/0x710 [14833.313768][ T7704] netlink_sendmsg+0x723/0xbe0 [14833.313768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14833.313768][ T7704] ___sys_sendmsg+0xee/0x170 [14833.313768][ T7704] __sys_sendmsg+0xcd/0x170 [14833.313768][ T7704] do_syscall_64+0xc6/0x1e0 [14833.313768][ T7704] [14833.315963][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14833.315963][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14833.315963][ T7704] ipv6_find_idev+0x102/0x170 [14833.315963][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14833.315963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14833.315963][ T7704] netlink_rcv_skb+0x130/0x360 [14833.315963][ T7704] netlink_unicast+0x449/0x710 [14833.315963][ T7704] netlink_sendmsg+0x723/0xbe0 [14833.315963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14833.315963][ T7704] ___sys_sendmsg+0xee/0x170 [14833.315963][ T7704] __sys_sendmsg+0xcd/0x170 [14833.315963][ T7704] do_syscall_64+0xc6/0x1e0 [14833.315963][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14833.315963][ T7704] [14833.317661][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14833.317661][ T7704] neigh_parms_alloc+0x1e5/0x510 [14833.317661][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14833.317661][ T7704] ipv6_find_idev+0x102/0x170 [14833.317661][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14833.317661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14833.317661][ T7704] netlink_rcv_skb+0x130/0x360 [14833.317661][ T7704] netlink_unicast+0x449/0x710 [14833.317661][ T7704] netlink_sendmsg+0x723/0xbe0 [14833.317661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14833.317661][ T7704] ___sys_sendmsg+0xee/0x170 [14833.317661][ T7704] __sys_sendmsg+0xcd/0x170 [14833.317661][ T7704] do_syscall_64+0xc6/0x1e0 [14833.317661][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14833.317661][ T7704] [14843.500875][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14843.501764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14843.501764][ T7704] netdev_get_by_index+0x5e/0x80 [14843.501764][ T7704] fib6_nh_init+0x3d8/0x15b0 [14843.501764][ T7704] ip6_route_info_create+0xf18/0x17d0 [14843.501764][ T7704] ip6_route_add+0x1c/0x140 [14843.501764][ T7704] addrconf_prefix_route+0x2a6/0x430 [14843.501764][ T7704] inet6_addr_add+0x4f8/0xa40 [14843.501764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14843.501764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14843.501764][ T7704] netlink_rcv_skb+0x130/0x360 [14843.501764][ T7704] netlink_unicast+0x449/0x710 [14843.501764][ T7704] netlink_sendmsg+0x723/0xbe0 [14843.501764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14843.501764][ T7704] ___sys_sendmsg+0xee/0x170 [14843.501764][ T7704] __sys_sendmsg+0xcd/0x170 [14843.501764][ T7704] do_syscall_64+0xc6/0x1e0 [14843.501764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14843.501764][ T7704] [14843.504051][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14843.504051][ T7704] netdev_get_by_index+0x5e/0x80 [14843.504051][ T7704] fib6_nh_init+0x3d8/0x15b0 [14843.504051][ T7704] ip6_route_info_create+0xf18/0x17d0 [14843.504051][ T7704] addrconf_f6i_alloc+0x315/0x560 [14843.504051][ T7704] ipv6_add_addr+0x411/0x2000 [14843.504051][ T7704] inet6_addr_add+0x30e/0xa40 [14843.504051][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14843.504051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14843.504051][ T7704] netlink_rcv_skb+0x130/0x360 [14843.504051][ T7704] netlink_unicast+0x449/0x710 [14843.504051][ T7704] netlink_sendmsg+0x723/0xbe0 [14843.504051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14843.504051][ T7704] ___sys_sendmsg+0xee/0x170 [14843.504051][ T7704] __sys_sendmsg+0xcd/0x170 [14843.504051][ T7704] do_syscall_64+0xc6/0x1e0 [14843.504051][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14843.504051][ T7704] [14843.506263][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14843.506263][ T7704] netdev_get_by_index+0x5e/0x80 [14843.506263][ T7704] fib6_nh_init+0x3d8/0x15b0 [14843.506263][ T7704] ip6_route_info_create+0xf18/0x17d0 [14843.506263][ T7704] ip6_route_add+0x1c/0x140 [14843.506263][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14843.506263][ T7704] addrconf_add_dev+0xe2/0x170 [14843.506263][ T7704] inet6_addr_add+0x12f/0xa40 [14843.506263][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14843.506263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14843.506263][ T7704] netlink_rcv_skb+0x130/0x360 [14843.506263][ T7704] netlink_unicast+0x449/0x710 [14843.506263][ T7704] netlink_sendmsg+0x723/0xbe0 [14843.506263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14843.506263][ T7704] ___sys_sendmsg+0xee/0x170 [14843.506263][ T7704] __sys_sendmsg+0xcd/0x170 [14843.506263][ T7704] do_syscall_64+0xc6/0x1e0 [14843.506263][ T7704] [14843.508429][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14843.508429][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14843.508429][ T7704] ipv6_find_idev+0x102/0x170 [14843.508429][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14843.508429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14843.508429][ T7704] netlink_rcv_skb+0x130/0x360 [14843.508429][ T7704] netlink_unicast+0x449/0x710 [14843.508429][ T7704] netlink_sendmsg+0x723/0xbe0 [14843.508429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14843.508429][ T7704] ___sys_sendmsg+0xee/0x170 [14843.508429][ T7704] __sys_sendmsg+0xcd/0x170 [14843.508429][ T7704] do_syscall_64+0xc6/0x1e0 [14843.508429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14843.508429][ T7704] [14843.510129][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14843.510129][ T7704] neigh_parms_alloc+0x1e5/0x510 [14843.510129][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14843.510129][ T7704] ipv6_find_idev+0x102/0x170 [14843.510129][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14843.510129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14843.510129][ T7704] netlink_rcv_skb+0x130/0x360 [14843.510129][ T7704] netlink_unicast+0x449/0x710 [14843.510129][ T7704] netlink_sendmsg+0x723/0xbe0 [14843.510129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14843.510129][ T7704] ___sys_sendmsg+0xee/0x170 [14843.510129][ T7704] __sys_sendmsg+0xcd/0x170 [14843.510129][ T7704] do_syscall_64+0xc6/0x1e0 [14843.510129][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14843.510129][ T7704] [14853.628878][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14853.629349][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14853.629349][ T7704] netdev_get_by_index+0x5e/0x80 [14853.629349][ T7704] fib6_nh_init+0x3d8/0x15b0 [14853.629349][ T7704] ip6_route_info_create+0xf18/0x17d0 [14853.629349][ T7704] ip6_route_add+0x1c/0x140 [14853.629349][ T7704] addrconf_prefix_route+0x2a6/0x430 [14853.629349][ T7704] inet6_addr_add+0x4f8/0xa40 [14853.629349][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14853.629349][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14853.629349][ T7704] netlink_rcv_skb+0x130/0x360 [14853.629349][ T7704] netlink_unicast+0x449/0x710 [14853.629349][ T7704] netlink_sendmsg+0x723/0xbe0 [14853.629349][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14853.629349][ T7704] ___sys_sendmsg+0xee/0x170 [14853.629349][ T7704] __sys_sendmsg+0xcd/0x170 [14853.629349][ T7704] do_syscall_64+0xc6/0x1e0 [14853.629349][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14853.629349][ T7704] [14853.631594][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14853.631594][ T7704] netdev_get_by_index+0x5e/0x80 [14853.631594][ T7704] fib6_nh_init+0x3d8/0x15b0 [14853.631594][ T7704] ip6_route_info_create+0xf18/0x17d0 [14853.631594][ T7704] addrconf_f6i_alloc+0x315/0x560 [14853.631594][ T7704] ipv6_add_addr+0x411/0x2000 [14853.631594][ T7704] inet6_addr_add+0x30e/0xa40 [14853.631594][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14853.631594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14853.631594][ T7704] netlink_rcv_skb+0x130/0x360 [14853.631594][ T7704] netlink_unicast+0x449/0x710 [14853.631594][ T7704] netlink_sendmsg+0x723/0xbe0 [14853.631594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14853.631594][ T7704] ___sys_sendmsg+0xee/0x170 [14853.631594][ T7704] __sys_sendmsg+0xcd/0x170 [14853.631594][ T7704] do_syscall_64+0xc6/0x1e0 [14853.631594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14853.631594][ T7704] [14853.633823][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14853.633823][ T7704] netdev_get_by_index+0x5e/0x80 [14853.633823][ T7704] fib6_nh_init+0x3d8/0x15b0 [14853.633823][ T7704] ip6_route_info_create+0xf18/0x17d0 [14853.633823][ T7704] ip6_route_add+0x1c/0x140 [14853.633823][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14853.633823][ T7704] addrconf_add_dev+0xe2/0x170 [14853.633823][ T7704] inet6_addr_add+0x12f/0xa40 [14853.633823][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14853.633823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14853.633823][ T7704] netlink_rcv_skb+0x130/0x360 [14853.633823][ T7704] netlink_unicast+0x449/0x710 [14853.633823][ T7704] netlink_sendmsg+0x723/0xbe0 [14853.633823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14853.633823][ T7704] ___sys_sendmsg+0xee/0x170 [14853.633823][ T7704] __sys_sendmsg+0xcd/0x170 [14853.633823][ T7704] do_syscall_64+0xc6/0x1e0 [14853.633823][ T7704] [14853.635998][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14853.635998][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14853.635998][ T7704] ipv6_find_idev+0x102/0x170 [14853.635998][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14853.635998][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14853.635998][ T7704] netlink_rcv_skb+0x130/0x360 [14853.635998][ T7704] netlink_unicast+0x449/0x710 [14853.635998][ T7704] netlink_sendmsg+0x723/0xbe0 [14853.635998][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14853.635998][ T7704] ___sys_sendmsg+0xee/0x170 [14853.635998][ T7704] __sys_sendmsg+0xcd/0x170 [14853.635998][ T7704] do_syscall_64+0xc6/0x1e0 [14853.635998][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14853.635998][ T7704] [14853.637694][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14853.637694][ T7704] neigh_parms_alloc+0x1e5/0x510 [14853.637694][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14853.637694][ T7704] ipv6_find_idev+0x102/0x170 [14853.637694][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14853.637694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14853.637694][ T7704] netlink_rcv_skb+0x130/0x360 [14853.637694][ T7704] netlink_unicast+0x449/0x710 [14853.637694][ T7704] netlink_sendmsg+0x723/0xbe0 [14853.637694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14853.637694][ T7704] ___sys_sendmsg+0xee/0x170 [14853.637694][ T7704] __sys_sendmsg+0xcd/0x170 [14853.637694][ T7704] do_syscall_64+0xc6/0x1e0 [14853.637694][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14853.637694][ T7704] [14863.876836][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14863.877327][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14863.877327][ T7704] netdev_get_by_index+0x5e/0x80 [14863.877327][ T7704] fib6_nh_init+0x3d8/0x15b0 [14863.877327][ T7704] ip6_route_info_create+0xf18/0x17d0 [14863.877327][ T7704] ip6_route_add+0x1c/0x140 [14863.877327][ T7704] addrconf_prefix_route+0x2a6/0x430 [14863.877327][ T7704] inet6_addr_add+0x4f8/0xa40 [14863.877327][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14863.877327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14863.877327][ T7704] netlink_rcv_skb+0x130/0x360 [14863.877327][ T7704] netlink_unicast+0x449/0x710 [14863.877327][ T7704] netlink_sendmsg+0x723/0xbe0 [14863.877327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14863.877327][ T7704] ___sys_sendmsg+0xee/0x170 [14863.877327][ T7704] __sys_sendmsg+0xcd/0x170 [14863.877327][ T7704] do_syscall_64+0xc6/0x1e0 [14863.877327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14863.877327][ T7704] [14863.879539][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14863.879539][ T7704] netdev_get_by_index+0x5e/0x80 [14863.879539][ T7704] fib6_nh_init+0x3d8/0x15b0 [14863.879539][ T7704] ip6_route_info_create+0xf18/0x17d0 [14863.879539][ T7704] addrconf_f6i_alloc+0x315/0x560 [14863.879539][ T7704] ipv6_add_addr+0x411/0x2000 [14863.879539][ T7704] inet6_addr_add+0x30e/0xa40 [14863.879539][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14863.879539][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14863.879539][ T7704] netlink_rcv_skb+0x130/0x360 [14863.879539][ T7704] netlink_unicast+0x449/0x710 [14863.879539][ T7704] netlink_sendmsg+0x723/0xbe0 [14863.879539][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14863.879539][ T7704] ___sys_sendmsg+0xee/0x170 [14863.879539][ T7704] __sys_sendmsg+0xcd/0x170 [14863.879539][ T7704] do_syscall_64+0xc6/0x1e0 [14863.879539][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14863.879539][ T7704] [14863.881712][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14863.881712][ T7704] netdev_get_by_index+0x5e/0x80 [14863.881712][ T7704] fib6_nh_init+0x3d8/0x15b0 [14863.881712][ T7704] ip6_route_info_create+0xf18/0x17d0 [14863.881712][ T7704] ip6_route_add+0x1c/0x140 [14863.881712][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14863.881712][ T7704] addrconf_add_dev+0xe2/0x170 [14863.881712][ T7704] inet6_addr_add+0x12f/0xa40 [14863.881712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14863.881712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14863.881712][ T7704] netlink_rcv_skb+0x130/0x360 [14863.881712][ T7704] netlink_unicast+0x449/0x710 [14863.881712][ T7704] netlink_sendmsg+0x723/0xbe0 [14863.881712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14863.881712][ T7704] ___sys_sendmsg+0xee/0x170 [14863.881712][ T7704] __sys_sendmsg+0xcd/0x170 [14863.881712][ T7704] do_syscall_64+0xc6/0x1e0 [14863.881712][ T7704] [14863.883911][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14863.883911][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14863.883911][ T7704] ipv6_find_idev+0x102/0x170 [14863.883911][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14863.883911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14863.883911][ T7704] netlink_rcv_skb+0x130/0x360 [14863.883911][ T7704] netlink_unicast+0x449/0x710 [14863.883911][ T7704] netlink_sendmsg+0x723/0xbe0 [14863.883911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14863.883911][ T7704] ___sys_sendmsg+0xee/0x170 [14863.883911][ T7704] __sys_sendmsg+0xcd/0x170 [14863.883911][ T7704] do_syscall_64+0xc6/0x1e0 [14863.883911][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14863.883911][ T7704] [14863.885571][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14863.885571][ T7704] neigh_parms_alloc+0x1e5/0x510 [14863.885571][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14863.885571][ T7704] ipv6_find_idev+0x102/0x170 [14863.885571][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14863.885571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14863.885571][ T7704] netlink_rcv_skb+0x130/0x360 [14863.885571][ T7704] netlink_unicast+0x449/0x710 [14863.885571][ T7704] netlink_sendmsg+0x723/0xbe0 [14863.885571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14863.885571][ T7704] ___sys_sendmsg+0xee/0x170 [14863.885571][ T7704] __sys_sendmsg+0xcd/0x170 [14863.885571][ T7704] do_syscall_64+0xc6/0x1e0 [14863.885571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14863.885571][ T7704] [14874.124848][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14874.125387][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14874.125387][ T7704] netdev_get_by_index+0x5e/0x80 [14874.125387][ T7704] fib6_nh_init+0x3d8/0x15b0 [14874.125387][ T7704] ip6_route_info_create+0xf18/0x17d0 [14874.125387][ T7704] ip6_route_add+0x1c/0x140 [14874.125387][ T7704] addrconf_prefix_route+0x2a6/0x430 [14874.125387][ T7704] inet6_addr_add+0x4f8/0xa40 [14874.125387][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14874.125387][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14874.125387][ T7704] netlink_rcv_skb+0x130/0x360 [14874.125387][ T7704] netlink_unicast+0x449/0x710 [14874.125387][ T7704] netlink_sendmsg+0x723/0xbe0 [14874.125387][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14874.125387][ T7704] ___sys_sendmsg+0xee/0x170 [14874.125387][ T7704] __sys_sendmsg+0xcd/0x170 [14874.125387][ T7704] do_syscall_64+0xc6/0x1e0 [14874.125387][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14874.125387][ T7704] [14874.127902][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14874.127902][ T7704] netdev_get_by_index+0x5e/0x80 [14874.127902][ T7704] fib6_nh_init+0x3d8/0x15b0 [14874.127902][ T7704] ip6_route_info_create+0xf18/0x17d0 [14874.127902][ T7704] addrconf_f6i_alloc+0x315/0x560 [14874.127902][ T7704] ipv6_add_addr+0x411/0x2000 [14874.127902][ T7704] inet6_addr_add+0x30e/0xa40 [14874.127902][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14874.127902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14874.127902][ T7704] netlink_rcv_skb+0x130/0x360 [14874.127902][ T7704] netlink_unicast+0x449/0x710 [14874.127902][ T7704] netlink_sendmsg+0x723/0xbe0 [14874.127902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14874.127902][ T7704] ___sys_sendmsg+0xee/0x170 [14874.127902][ T7704] __sys_sendmsg+0xcd/0x170 [14874.127902][ T7704] do_syscall_64+0xc6/0x1e0 [14874.127902][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14874.127902][ T7704] [14874.130350][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14874.130350][ T7704] netdev_get_by_index+0x5e/0x80 [14874.130350][ T7704] fib6_nh_init+0x3d8/0x15b0 [14874.130350][ T7704] ip6_route_info_create+0xf18/0x17d0 [14874.130350][ T7704] ip6_route_add+0x1c/0x140 [14874.130350][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14874.130350][ T7704] addrconf_add_dev+0xe2/0x170 [14874.130350][ T7704] inet6_addr_add+0x12f/0xa40 [14874.130350][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14874.130350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14874.130350][ T7704] netlink_rcv_skb+0x130/0x360 [14874.130350][ T7704] netlink_unicast+0x449/0x710 [14874.130350][ T7704] netlink_sendmsg+0x723/0xbe0 [14874.130350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14874.130350][ T7704] ___sys_sendmsg+0xee/0x170 [14874.130350][ T7704] __sys_sendmsg+0xcd/0x170 [14874.130350][ T7704] do_syscall_64+0xc6/0x1e0 [14874.130350][ T7704] [14874.132762][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14874.132762][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14874.132762][ T7704] ipv6_find_idev+0x102/0x170 [14874.132762][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14874.132762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14874.132762][ T7704] netlink_rcv_skb+0x130/0x360 [14874.132762][ T7704] netlink_unicast+0x449/0x710 [14874.132762][ T7704] netlink_sendmsg+0x723/0xbe0 [14874.132762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14874.132762][ T7704] ___sys_sendmsg+0xee/0x170 [14874.132762][ T7704] __sys_sendmsg+0xcd/0x170 [14874.132762][ T7704] do_syscall_64+0xc6/0x1e0 [14874.132762][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14874.132762][ T7704] [14874.134643][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14874.134643][ T7704] neigh_parms_alloc+0x1e5/0x510 [14874.134643][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14874.134643][ T7704] ipv6_find_idev+0x102/0x170 [14874.134643][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14874.134643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14874.134643][ T7704] netlink_rcv_skb+0x130/0x360 [14874.134643][ T7704] netlink_unicast+0x449/0x710 [14874.134643][ T7704] netlink_sendmsg+0x723/0xbe0 [14874.134643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14874.134643][ T7704] ___sys_sendmsg+0xee/0x170 [14874.134643][ T7704] __sys_sendmsg+0xcd/0x170 [14874.134643][ T7704] do_syscall_64+0xc6/0x1e0 [14874.134643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14874.134643][ T7704] [14884.372839][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14884.373390][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14884.373390][ T7704] netdev_get_by_index+0x5e/0x80 [14884.373390][ T7704] fib6_nh_init+0x3d8/0x15b0 [14884.373390][ T7704] ip6_route_info_create+0xf18/0x17d0 [14884.373390][ T7704] ip6_route_add+0x1c/0x140 [14884.373390][ T7704] addrconf_prefix_route+0x2a6/0x430 [14884.373390][ T7704] inet6_addr_add+0x4f8/0xa40 [14884.373390][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14884.373390][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14884.373390][ T7704] netlink_rcv_skb+0x130/0x360 [14884.373390][ T7704] netlink_unicast+0x449/0x710 [14884.373390][ T7704] netlink_sendmsg+0x723/0xbe0 [14884.373390][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14884.373390][ T7704] ___sys_sendmsg+0xee/0x170 [14884.373390][ T7704] __sys_sendmsg+0xcd/0x170 [14884.373390][ T7704] do_syscall_64+0xc6/0x1e0 [14884.373390][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14884.373390][ T7704] [14884.375868][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14884.375868][ T7704] netdev_get_by_index+0x5e/0x80 [14884.375868][ T7704] fib6_nh_init+0x3d8/0x15b0 [14884.375868][ T7704] ip6_route_info_create+0xf18/0x17d0 [14884.375868][ T7704] addrconf_f6i_alloc+0x315/0x560 [14884.375868][ T7704] ipv6_add_addr+0x411/0x2000 [14884.375868][ T7704] inet6_addr_add+0x30e/0xa40 [14884.375868][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14884.375868][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14884.375868][ T7704] netlink_rcv_skb+0x130/0x360 [14884.375868][ T7704] netlink_unicast+0x449/0x710 [14884.375868][ T7704] netlink_sendmsg+0x723/0xbe0 [14884.375868][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14884.375868][ T7704] ___sys_sendmsg+0xee/0x170 [14884.375868][ T7704] __sys_sendmsg+0xcd/0x170 [14884.375868][ T7704] do_syscall_64+0xc6/0x1e0 [14884.375868][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14884.375868][ T7704] [14884.378312][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14884.378312][ T7704] netdev_get_by_index+0x5e/0x80 [14884.378312][ T7704] fib6_nh_init+0x3d8/0x15b0 [14884.378312][ T7704] ip6_route_info_create+0xf18/0x17d0 [14884.378312][ T7704] ip6_route_add+0x1c/0x140 [14884.378312][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14884.378312][ T7704] addrconf_add_dev+0xe2/0x170 [14884.378312][ T7704] inet6_addr_add+0x12f/0xa40 [14884.378312][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14884.378312][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14884.378312][ T7704] netlink_rcv_skb+0x130/0x360 [14884.378312][ T7704] netlink_unicast+0x449/0x710 [14884.378312][ T7704] netlink_sendmsg+0x723/0xbe0 [14884.378312][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14884.378312][ T7704] ___sys_sendmsg+0xee/0x170 [14884.378312][ T7704] __sys_sendmsg+0xcd/0x170 [14884.378312][ T7704] do_syscall_64+0xc6/0x1e0 [14884.378312][ T7704] [14884.380724][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14884.380724][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14884.380724][ T7704] ipv6_find_idev+0x102/0x170 [14884.380724][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14884.380724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14884.380724][ T7704] netlink_rcv_skb+0x130/0x360 [14884.380724][ T7704] netlink_unicast+0x449/0x710 [14884.380724][ T7704] netlink_sendmsg+0x723/0xbe0 [14884.380724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14884.380724][ T7704] ___sys_sendmsg+0xee/0x170 [14884.380724][ T7704] __sys_sendmsg+0xcd/0x170 [14884.380724][ T7704] do_syscall_64+0xc6/0x1e0 [14884.380724][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14884.380724][ T7704] [14884.382617][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14884.382617][ T7704] neigh_parms_alloc+0x1e5/0x510 [14884.382617][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14884.382617][ T7704] ipv6_find_idev+0x102/0x170 [14884.382617][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14884.382617][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14884.382617][ T7704] netlink_rcv_skb+0x130/0x360 [14884.382617][ T7704] netlink_unicast+0x449/0x710 [14884.382617][ T7704] netlink_sendmsg+0x723/0xbe0 [14884.382617][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14884.382617][ T7704] ___sys_sendmsg+0xee/0x170 [14884.382617][ T7704] __sys_sendmsg+0xcd/0x170 [14884.382617][ T7704] do_syscall_64+0xc6/0x1e0 [14884.382617][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14884.382617][ T7704] [14894.476877][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14894.477411][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14894.477411][ T7704] netdev_get_by_index+0x5e/0x80 [14894.477411][ T7704] fib6_nh_init+0x3d8/0x15b0 [14894.477411][ T7704] ip6_route_info_create+0xf18/0x17d0 [14894.477411][ T7704] ip6_route_add+0x1c/0x140 [14894.477411][ T7704] addrconf_prefix_route+0x2a6/0x430 [14894.477411][ T7704] inet6_addr_add+0x4f8/0xa40 [14894.477411][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14894.477411][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14894.477411][ T7704] netlink_rcv_skb+0x130/0x360 [14894.477411][ T7704] netlink_unicast+0x449/0x710 [14894.477411][ T7704] netlink_sendmsg+0x723/0xbe0 [14894.477411][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14894.477411][ T7704] ___sys_sendmsg+0xee/0x170 [14894.477411][ T7704] __sys_sendmsg+0xcd/0x170 [14894.477411][ T7704] do_syscall_64+0xc6/0x1e0 [14894.477411][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14894.477411][ T7704] [14894.479946][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14894.479946][ T7704] netdev_get_by_index+0x5e/0x80 [14894.479946][ T7704] fib6_nh_init+0x3d8/0x15b0 [14894.479946][ T7704] ip6_route_info_create+0xf18/0x17d0 [14894.479946][ T7704] addrconf_f6i_alloc+0x315/0x560 [14894.479946][ T7704] ipv6_add_addr+0x411/0x2000 [14894.479946][ T7704] inet6_addr_add+0x30e/0xa40 [14894.479946][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14894.479946][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14894.479946][ T7704] netlink_rcv_skb+0x130/0x360 [14894.479946][ T7704] netlink_unicast+0x449/0x710 [14894.479946][ T7704] netlink_sendmsg+0x723/0xbe0 [14894.479946][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14894.479946][ T7704] ___sys_sendmsg+0xee/0x170 [14894.479946][ T7704] __sys_sendmsg+0xcd/0x170 [14894.479946][ T7704] do_syscall_64+0xc6/0x1e0 [14894.479946][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14894.479946][ T7704] [14894.482419][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14894.482419][ T7704] netdev_get_by_index+0x5e/0x80 [14894.482419][ T7704] fib6_nh_init+0x3d8/0x15b0 [14894.482419][ T7704] ip6_route_info_create+0xf18/0x17d0 [14894.482419][ T7704] ip6_route_add+0x1c/0x140 [14894.482419][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14894.482419][ T7704] addrconf_add_dev+0xe2/0x170 [14894.482419][ T7704] inet6_addr_add+0x12f/0xa40 [14894.482419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14894.482419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14894.482419][ T7704] netlink_rcv_skb+0x130/0x360 [14894.482419][ T7704] netlink_unicast+0x449/0x710 [14894.482419][ T7704] netlink_sendmsg+0x723/0xbe0 [14894.482419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14894.482419][ T7704] ___sys_sendmsg+0xee/0x170 [14894.482419][ T7704] __sys_sendmsg+0xcd/0x170 [14894.482419][ T7704] do_syscall_64+0xc6/0x1e0 [14894.482419][ T7704] [14894.484852][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14894.484852][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14894.484852][ T7704] ipv6_find_idev+0x102/0x170 [14894.484852][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14894.484852][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14894.484852][ T7704] netlink_rcv_skb+0x130/0x360 [14894.484852][ T7704] netlink_unicast+0x449/0x710 [14894.484852][ T7704] netlink_sendmsg+0x723/0xbe0 [14894.484852][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14894.484852][ T7704] ___sys_sendmsg+0xee/0x170 [14894.484852][ T7704] __sys_sendmsg+0xcd/0x170 [14894.484852][ T7704] do_syscall_64+0xc6/0x1e0 [14894.484852][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14894.484852][ T7704] [14894.486741][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14894.486741][ T7704] neigh_parms_alloc+0x1e5/0x510 [14894.486741][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14894.486741][ T7704] ipv6_find_idev+0x102/0x170 [14894.486741][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14894.486741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14894.486741][ T7704] netlink_rcv_skb+0x130/0x360 [14894.486741][ T7704] netlink_unicast+0x449/0x710 [14894.486741][ T7704] netlink_sendmsg+0x723/0xbe0 [14894.486741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14894.486741][ T7704] ___sys_sendmsg+0xee/0x170 [14894.486741][ T7704] __sys_sendmsg+0xcd/0x170 [14894.486741][ T7704] do_syscall_64+0xc6/0x1e0 [14894.486741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14894.486741][ T7704] [14904.740848][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14904.741381][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14904.741381][ T7704] netdev_get_by_index+0x5e/0x80 [14904.741381][ T7704] fib6_nh_init+0x3d8/0x15b0 [14904.741381][ T7704] ip6_route_info_create+0xf18/0x17d0 [14904.741381][ T7704] ip6_route_add+0x1c/0x140 [14904.741381][ T7704] addrconf_prefix_route+0x2a6/0x430 [14904.741381][ T7704] inet6_addr_add+0x4f8/0xa40 [14904.741381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14904.741381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14904.741381][ T7704] netlink_rcv_skb+0x130/0x360 [14904.741381][ T7704] netlink_unicast+0x449/0x710 [14904.741381][ T7704] netlink_sendmsg+0x723/0xbe0 [14904.741381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14904.741381][ T7704] ___sys_sendmsg+0xee/0x170 [14904.741381][ T7704] __sys_sendmsg+0xcd/0x170 [14904.741381][ T7704] do_syscall_64+0xc6/0x1e0 [14904.741381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14904.741381][ T7704] [14904.743686][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14904.743686][ T7704] netdev_get_by_index+0x5e/0x80 [14904.743686][ T7704] fib6_nh_init+0x3d8/0x15b0 [14904.743686][ T7704] ip6_route_info_create+0xf18/0x17d0 [14904.743686][ T7704] addrconf_f6i_alloc+0x315/0x560 [14904.743686][ T7704] ipv6_add_addr+0x411/0x2000 [14904.743686][ T7704] inet6_addr_add+0x30e/0xa40 [14904.743686][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14904.743686][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14904.743686][ T7704] netlink_rcv_skb+0x130/0x360 [14904.743686][ T7704] netlink_unicast+0x449/0x710 [14904.743686][ T7704] netlink_sendmsg+0x723/0xbe0 [14904.743686][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14904.743686][ T7704] ___sys_sendmsg+0xee/0x170 [14904.743686][ T7704] __sys_sendmsg+0xcd/0x170 [14904.743686][ T7704] do_syscall_64+0xc6/0x1e0 [14904.743686][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14904.743686][ T7704] [14904.745934][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14904.745934][ T7704] netdev_get_by_index+0x5e/0x80 [14904.745934][ T7704] fib6_nh_init+0x3d8/0x15b0 [14904.745934][ T7704] ip6_route_info_create+0xf18/0x17d0 [14904.745934][ T7704] ip6_route_add+0x1c/0x140 [14904.745934][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14904.745934][ T7704] addrconf_add_dev+0xe2/0x170 [14904.745934][ T7704] inet6_addr_add+0x12f/0xa40 [14904.745934][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14904.745934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14904.745934][ T7704] netlink_rcv_skb+0x130/0x360 [14904.745934][ T7704] netlink_unicast+0x449/0x710 [14904.745934][ T7704] netlink_sendmsg+0x723/0xbe0 [14904.745934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14904.745934][ T7704] ___sys_sendmsg+0xee/0x170 [14904.745934][ T7704] __sys_sendmsg+0xcd/0x170 [14904.745934][ T7704] do_syscall_64+0xc6/0x1e0 [14904.745934][ T7704] [14904.748148][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14904.748148][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14904.748148][ T7704] ipv6_find_idev+0x102/0x170 [14904.748148][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14904.748148][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14904.748148][ T7704] netlink_rcv_skb+0x130/0x360 [14904.748148][ T7704] netlink_unicast+0x449/0x710 [14904.748148][ T7704] netlink_sendmsg+0x723/0xbe0 [14904.748148][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14904.748148][ T7704] ___sys_sendmsg+0xee/0x170 [14904.748148][ T7704] __sys_sendmsg+0xcd/0x170 [14904.748148][ T7704] do_syscall_64+0xc6/0x1e0 [14904.748148][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14904.748148][ T7704] [14904.749880][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14904.749880][ T7704] neigh_parms_alloc+0x1e5/0x510 [14904.749880][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14904.749880][ T7704] ipv6_find_idev+0x102/0x170 [14904.749880][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14904.749880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14904.749880][ T7704] netlink_rcv_skb+0x130/0x360 [14904.749880][ T7704] netlink_unicast+0x449/0x710 [14904.749880][ T7704] netlink_sendmsg+0x723/0xbe0 [14904.749880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14904.749880][ T7704] ___sys_sendmsg+0xee/0x170 [14904.749880][ T7704] __sys_sendmsg+0xcd/0x170 [14904.749880][ T7704] do_syscall_64+0xc6/0x1e0 [14904.749880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14904.749880][ T7704] [14914.860803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14914.861483][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14914.861483][ T7704] netdev_get_by_index+0x5e/0x80 [14914.861483][ T7704] fib6_nh_init+0x3d8/0x15b0 [14914.861483][ T7704] ip6_route_info_create+0xf18/0x17d0 [14914.861483][ T7704] ip6_route_add+0x1c/0x140 [14914.861483][ T7704] addrconf_prefix_route+0x2a6/0x430 [14914.861483][ T7704] inet6_addr_add+0x4f8/0xa40 [14914.861483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14914.861483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14914.861483][ T7704] netlink_rcv_skb+0x130/0x360 [14914.861483][ T7704] netlink_unicast+0x449/0x710 [14914.861483][ T7704] netlink_sendmsg+0x723/0xbe0 [14914.861483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14914.861483][ T7704] ___sys_sendmsg+0xee/0x170 [14914.861483][ T7704] __sys_sendmsg+0xcd/0x170 [14914.861483][ T7704] do_syscall_64+0xc6/0x1e0 [14914.861483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14914.861483][ T7704] [14914.865081][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14914.865081][ T7704] netdev_get_by_index+0x5e/0x80 [14914.865081][ T7704] fib6_nh_init+0x3d8/0x15b0 [14914.865081][ T7704] ip6_route_info_create+0xf18/0x17d0 [14914.865081][ T7704] addrconf_f6i_alloc+0x315/0x560 [14914.865081][ T7704] ipv6_add_addr+0x411/0x2000 [14914.865081][ T7704] inet6_addr_add+0x30e/0xa40 [14914.865081][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14914.865081][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14914.865081][ T7704] netlink_rcv_skb+0x130/0x360 [14914.865081][ T7704] netlink_unicast+0x449/0x710 [14914.865081][ T7704] netlink_sendmsg+0x723/0xbe0 [14914.865081][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14914.865081][ T7704] ___sys_sendmsg+0xee/0x170 [14914.865081][ T7704] __sys_sendmsg+0xcd/0x170 [14914.865081][ T7704] do_syscall_64+0xc6/0x1e0 [14914.865081][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14914.865081][ T7704] [14914.868644][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14914.868644][ T7704] netdev_get_by_index+0x5e/0x80 [14914.868644][ T7704] fib6_nh_init+0x3d8/0x15b0 [14914.868644][ T7704] ip6_route_info_create+0xf18/0x17d0 [14914.868644][ T7704] ip6_route_add+0x1c/0x140 [14914.868644][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14914.868644][ T7704] addrconf_add_dev+0xe2/0x170 [14914.868644][ T7704] inet6_addr_add+0x12f/0xa40 [14914.868644][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14914.868644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14914.868644][ T7704] netlink_rcv_skb+0x130/0x360 [14914.868644][ T7704] netlink_unicast+0x449/0x710 [14914.868644][ T7704] netlink_sendmsg+0x723/0xbe0 [14914.868644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14914.868644][ T7704] ___sys_sendmsg+0xee/0x170 [14914.868644][ T7704] __sys_sendmsg+0xcd/0x170 [14914.868644][ T7704] do_syscall_64+0xc6/0x1e0 [14914.868644][ T7704] [14914.872218][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14914.872218][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14914.872218][ T7704] ipv6_find_idev+0x102/0x170 [14914.872218][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14914.872218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14914.872218][ T7704] netlink_rcv_skb+0x130/0x360 [14914.872218][ T7704] netlink_unicast+0x449/0x710 [14914.872218][ T7704] netlink_sendmsg+0x723/0xbe0 [14914.872218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14914.872218][ T7704] ___sys_sendmsg+0xee/0x170 [14914.872218][ T7704] __sys_sendmsg+0xcd/0x170 [14914.872218][ T7704] do_syscall_64+0xc6/0x1e0 [14914.872218][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14914.872218][ T7704] [14914.874992][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14914.874992][ T7704] neigh_parms_alloc+0x1e5/0x510 [14914.874992][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14914.874992][ T7704] ipv6_find_idev+0x102/0x170 [14914.874992][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14914.874992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14914.874992][ T7704] netlink_rcv_skb+0x130/0x360 [14914.874992][ T7704] netlink_unicast+0x449/0x710 [14914.874992][ T7704] netlink_sendmsg+0x723/0xbe0 [14914.874992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14914.874992][ T7704] ___sys_sendmsg+0xee/0x170 [14914.874992][ T7704] __sys_sendmsg+0xcd/0x170 [14914.874992][ T7704] do_syscall_64+0xc6/0x1e0 [14914.874992][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14914.874992][ T7704] [14925.116886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14925.117417][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14925.117417][ T7704] netdev_get_by_index+0x5e/0x80 [14925.117417][ T7704] fib6_nh_init+0x3d8/0x15b0 [14925.117417][ T7704] ip6_route_info_create+0xf18/0x17d0 [14925.117417][ T7704] ip6_route_add+0x1c/0x140 [14925.117417][ T7704] addrconf_prefix_route+0x2a6/0x430 [14925.117417][ T7704] inet6_addr_add+0x4f8/0xa40 [14925.117417][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14925.117417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14925.117417][ T7704] netlink_rcv_skb+0x130/0x360 [14925.117417][ T7704] netlink_unicast+0x449/0x710 [14925.117417][ T7704] netlink_sendmsg+0x723/0xbe0 [14925.117417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14925.117417][ T7704] ___sys_sendmsg+0xee/0x170 [14925.117417][ T7704] __sys_sendmsg+0xcd/0x170 [14925.117417][ T7704] do_syscall_64+0xc6/0x1e0 [14925.117417][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14925.117417][ T7704] [14925.119917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14925.119917][ T7704] netdev_get_by_index+0x5e/0x80 [14925.119917][ T7704] fib6_nh_init+0x3d8/0x15b0 [14925.119917][ T7704] ip6_route_info_create+0xf18/0x17d0 [14925.119917][ T7704] addrconf_f6i_alloc+0x315/0x560 [14925.119917][ T7704] ipv6_add_addr+0x411/0x2000 [14925.119917][ T7704] inet6_addr_add+0x30e/0xa40 [14925.119917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14925.119917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14925.119917][ T7704] netlink_rcv_skb+0x130/0x360 [14925.119917][ T7704] netlink_unicast+0x449/0x710 [14925.119917][ T7704] netlink_sendmsg+0x723/0xbe0 [14925.119917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14925.119917][ T7704] ___sys_sendmsg+0xee/0x170 [14925.119917][ T7704] __sys_sendmsg+0xcd/0x170 [14925.119917][ T7704] do_syscall_64+0xc6/0x1e0 [14925.119917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14925.119917][ T7704] [14925.122392][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14925.122392][ T7704] netdev_get_by_index+0x5e/0x80 [14925.122392][ T7704] fib6_nh_init+0x3d8/0x15b0 [14925.122392][ T7704] ip6_route_info_create+0xf18/0x17d0 [14925.122392][ T7704] ip6_route_add+0x1c/0x140 [14925.122392][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14925.122392][ T7704] addrconf_add_dev+0xe2/0x170 [14925.122392][ T7704] inet6_addr_add+0x12f/0xa40 [14925.122392][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14925.122392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14925.122392][ T7704] netlink_rcv_skb+0x130/0x360 [14925.122392][ T7704] netlink_unicast+0x449/0x710 [14925.122392][ T7704] netlink_sendmsg+0x723/0xbe0 [14925.122392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14925.122392][ T7704] ___sys_sendmsg+0xee/0x170 [14925.122392][ T7704] __sys_sendmsg+0xcd/0x170 [14925.122392][ T7704] do_syscall_64+0xc6/0x1e0 [14925.122392][ T7704] [14925.124796][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14925.124796][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14925.124796][ T7704] ipv6_find_idev+0x102/0x170 [14925.124796][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14925.124796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14925.124796][ T7704] netlink_rcv_skb+0x130/0x360 [14925.124796][ T7704] netlink_unicast+0x449/0x710 [14925.124796][ T7704] netlink_sendmsg+0x723/0xbe0 [14925.124796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14925.124796][ T7704] ___sys_sendmsg+0xee/0x170 [14925.124796][ T7704] __sys_sendmsg+0xcd/0x170 [14925.124796][ T7704] do_syscall_64+0xc6/0x1e0 [14925.124796][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14925.124796][ T7704] [14925.126680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14925.126680][ T7704] neigh_parms_alloc+0x1e5/0x510 [14925.126680][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14925.126680][ T7704] ipv6_find_idev+0x102/0x170 [14925.126680][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14925.126680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14925.126680][ T7704] netlink_rcv_skb+0x130/0x360 [14925.126680][ T7704] netlink_unicast+0x449/0x710 [14925.126680][ T7704] netlink_sendmsg+0x723/0xbe0 [14925.126680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14925.126680][ T7704] ___sys_sendmsg+0xee/0x170 [14925.126680][ T7704] __sys_sendmsg+0xcd/0x170 [14925.126680][ T7704] do_syscall_64+0xc6/0x1e0 [14925.126680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14925.126680][ T7704] [14935.364851][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14935.365392][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14935.365392][ T7704] netdev_get_by_index+0x5e/0x80 [14935.365392][ T7704] fib6_nh_init+0x3d8/0x15b0 [14935.365392][ T7704] ip6_route_info_create+0xf18/0x17d0 [14935.365392][ T7704] ip6_route_add+0x1c/0x140 [14935.365392][ T7704] addrconf_prefix_route+0x2a6/0x430 [14935.365392][ T7704] inet6_addr_add+0x4f8/0xa40 [14935.365392][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14935.365392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14935.365392][ T7704] netlink_rcv_skb+0x130/0x360 [14935.365392][ T7704] netlink_unicast+0x449/0x710 [14935.365392][ T7704] netlink_sendmsg+0x723/0xbe0 [14935.365392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14935.365392][ T7704] ___sys_sendmsg+0xee/0x170 [14935.365392][ T7704] __sys_sendmsg+0xcd/0x170 [14935.365392][ T7704] do_syscall_64+0xc6/0x1e0 [14935.365392][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14935.365392][ T7704] [14935.367889][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14935.367889][ T7704] netdev_get_by_index+0x5e/0x80 [14935.367889][ T7704] fib6_nh_init+0x3d8/0x15b0 [14935.367889][ T7704] ip6_route_info_create+0xf18/0x17d0 [14935.367889][ T7704] addrconf_f6i_alloc+0x315/0x560 [14935.367889][ T7704] ipv6_add_addr+0x411/0x2000 [14935.367889][ T7704] inet6_addr_add+0x30e/0xa40 [14935.367889][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14935.367889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14935.367889][ T7704] netlink_rcv_skb+0x130/0x360 [14935.367889][ T7704] netlink_unicast+0x449/0x710 [14935.367889][ T7704] netlink_sendmsg+0x723/0xbe0 [14935.367889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14935.367889][ T7704] ___sys_sendmsg+0xee/0x170 [14935.367889][ T7704] __sys_sendmsg+0xcd/0x170 [14935.367889][ T7704] do_syscall_64+0xc6/0x1e0 [14935.367889][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14935.367889][ T7704] [14935.370346][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14935.370346][ T7704] netdev_get_by_index+0x5e/0x80 [14935.370346][ T7704] fib6_nh_init+0x3d8/0x15b0 [14935.370346][ T7704] ip6_route_info_create+0xf18/0x17d0 [14935.370346][ T7704] ip6_route_add+0x1c/0x140 [14935.370346][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14935.370346][ T7704] addrconf_add_dev+0xe2/0x170 [14935.370346][ T7704] inet6_addr_add+0x12f/0xa40 [14935.370346][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14935.370346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14935.370346][ T7704] netlink_rcv_skb+0x130/0x360 [14935.370346][ T7704] netlink_unicast+0x449/0x710 [14935.370346][ T7704] netlink_sendmsg+0x723/0xbe0 [14935.370346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14935.370346][ T7704] ___sys_sendmsg+0xee/0x170 [14935.370346][ T7704] __sys_sendmsg+0xcd/0x170 [14935.370346][ T7704] do_syscall_64+0xc6/0x1e0 [14935.370346][ T7704] [14935.372780][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14935.372780][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14935.372780][ T7704] ipv6_find_idev+0x102/0x170 [14935.372780][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14935.372780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14935.372780][ T7704] netlink_rcv_skb+0x130/0x360 [14935.372780][ T7704] netlink_unicast+0x449/0x710 [14935.372780][ T7704] netlink_sendmsg+0x723/0xbe0 [14935.372780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14935.372780][ T7704] ___sys_sendmsg+0xee/0x170 [14935.372780][ T7704] __sys_sendmsg+0xcd/0x170 [14935.372780][ T7704] do_syscall_64+0xc6/0x1e0 [14935.372780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14935.372780][ T7704] [14935.374642][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14935.374642][ T7704] neigh_parms_alloc+0x1e5/0x510 [14935.374642][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14935.374642][ T7704] ipv6_find_idev+0x102/0x170 [14935.374642][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14935.374642][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14935.374642][ T7704] netlink_rcv_skb+0x130/0x360 [14935.374642][ T7704] netlink_unicast+0x449/0x710 [14935.374642][ T7704] netlink_sendmsg+0x723/0xbe0 [14935.374642][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14935.374642][ T7704] ___sys_sendmsg+0xee/0x170 [14935.374642][ T7704] __sys_sendmsg+0xcd/0x170 [14935.374642][ T7704] do_syscall_64+0xc6/0x1e0 [14935.374642][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14935.374642][ T7704] [14945.612885][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14945.613570][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14945.613570][ T7704] netdev_get_by_index+0x5e/0x80 [14945.613570][ T7704] fib6_nh_init+0x3d8/0x15b0 [14945.613570][ T7704] ip6_route_info_create+0xf18/0x17d0 [14945.613570][ T7704] ip6_route_add+0x1c/0x140 [14945.613570][ T7704] addrconf_prefix_route+0x2a6/0x430 [14945.613570][ T7704] inet6_addr_add+0x4f8/0xa40 [14945.613570][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14945.613570][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14945.613570][ T7704] netlink_rcv_skb+0x130/0x360 [14945.613570][ T7704] netlink_unicast+0x449/0x710 [14945.613570][ T7704] netlink_sendmsg+0x723/0xbe0 [14945.613570][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14945.613570][ T7704] ___sys_sendmsg+0xee/0x170 [14945.613570][ T7704] __sys_sendmsg+0xcd/0x170 [14945.613570][ T7704] do_syscall_64+0xc6/0x1e0 [14945.613570][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14945.613570][ T7704] [14945.616100][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14945.616100][ T7704] netdev_get_by_index+0x5e/0x80 [14945.616100][ T7704] fib6_nh_init+0x3d8/0x15b0 [14945.616100][ T7704] ip6_route_info_create+0xf18/0x17d0 [14945.616100][ T7704] addrconf_f6i_alloc+0x315/0x560 [14945.616100][ T7704] ipv6_add_addr+0x411/0x2000 [14945.616100][ T7704] inet6_addr_add+0x30e/0xa40 [14945.616100][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14945.616100][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14945.616100][ T7704] netlink_rcv_skb+0x130/0x360 [14945.616100][ T7704] netlink_unicast+0x449/0x710 [14945.616100][ T7704] netlink_sendmsg+0x723/0xbe0 [14945.616100][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14945.616100][ T7704] ___sys_sendmsg+0xee/0x170 [14945.616100][ T7704] __sys_sendmsg+0xcd/0x170 [14945.616100][ T7704] do_syscall_64+0xc6/0x1e0 [14945.616100][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14945.616100][ T7704] [14945.618577][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14945.618577][ T7704] netdev_get_by_index+0x5e/0x80 [14945.618577][ T7704] fib6_nh_init+0x3d8/0x15b0 [14945.618577][ T7704] ip6_route_info_create+0xf18/0x17d0 [14945.618577][ T7704] ip6_route_add+0x1c/0x140 [14945.618577][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14945.618577][ T7704] addrconf_add_dev+0xe2/0x170 [14945.618577][ T7704] inet6_addr_add+0x12f/0xa40 [14945.618577][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14945.618577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14945.618577][ T7704] netlink_rcv_skb+0x130/0x360 [14945.618577][ T7704] netlink_unicast+0x449/0x710 [14945.618577][ T7704] netlink_sendmsg+0x723/0xbe0 [14945.618577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14945.618577][ T7704] ___sys_sendmsg+0xee/0x170 [14945.618577][ T7704] __sys_sendmsg+0xcd/0x170 [14945.618577][ T7704] do_syscall_64+0xc6/0x1e0 [14945.618577][ T7704] [14945.621015][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14945.621015][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14945.621015][ T7704] ipv6_find_idev+0x102/0x170 [14945.621015][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14945.621015][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14945.621015][ T7704] netlink_rcv_skb+0x130/0x360 [14945.621015][ T7704] netlink_unicast+0x449/0x710 [14945.621015][ T7704] netlink_sendmsg+0x723/0xbe0 [14945.621015][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14945.621015][ T7704] ___sys_sendmsg+0xee/0x170 [14945.621015][ T7704] __sys_sendmsg+0xcd/0x170 [14945.621015][ T7704] do_syscall_64+0xc6/0x1e0 [14945.621015][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14945.621015][ T7704] [14945.622961][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14945.622961][ T7704] neigh_parms_alloc+0x1e5/0x510 [14945.622961][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14945.622961][ T7704] ipv6_find_idev+0x102/0x170 [14945.622961][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14945.622961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14945.622961][ T7704] netlink_rcv_skb+0x130/0x360 [14945.622961][ T7704] netlink_unicast+0x449/0x710 [14945.622961][ T7704] netlink_sendmsg+0x723/0xbe0 [14945.622961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14945.622961][ T7704] ___sys_sendmsg+0xee/0x170 [14945.622961][ T7704] __sys_sendmsg+0xcd/0x170 [14945.622961][ T7704] do_syscall_64+0xc6/0x1e0 [14945.622961][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14945.622961][ T7704] [14955.860807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14955.861554][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14955.861554][ T7704] netdev_get_by_index+0x5e/0x80 [14955.861554][ T7704] fib6_nh_init+0x3d8/0x15b0 [14955.861554][ T7704] ip6_route_info_create+0xf18/0x17d0 [14955.861554][ T7704] ip6_route_add+0x1c/0x140 [14955.861554][ T7704] addrconf_prefix_route+0x2a6/0x430 [14955.861554][ T7704] inet6_addr_add+0x4f8/0xa40 [14955.861554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14955.861554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14955.861554][ T7704] netlink_rcv_skb+0x130/0x360 [14955.861554][ T7704] netlink_unicast+0x449/0x710 [14955.861554][ T7704] netlink_sendmsg+0x723/0xbe0 [14955.861554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14955.861554][ T7704] ___sys_sendmsg+0xee/0x170 [14955.861554][ T7704] __sys_sendmsg+0xcd/0x170 [14955.861554][ T7704] do_syscall_64+0xc6/0x1e0 [14955.861554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14955.861554][ T7704] [14955.865166][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14955.865166][ T7704] netdev_get_by_index+0x5e/0x80 [14955.865166][ T7704] fib6_nh_init+0x3d8/0x15b0 [14955.865166][ T7704] ip6_route_info_create+0xf18/0x17d0 [14955.865166][ T7704] addrconf_f6i_alloc+0x315/0x560 [14955.865166][ T7704] ipv6_add_addr+0x411/0x2000 [14955.865166][ T7704] inet6_addr_add+0x30e/0xa40 [14955.865166][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14955.865166][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14955.865166][ T7704] netlink_rcv_skb+0x130/0x360 [14955.865166][ T7704] netlink_unicast+0x449/0x710 [14955.865166][ T7704] netlink_sendmsg+0x723/0xbe0 [14955.865166][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14955.865166][ T7704] ___sys_sendmsg+0xee/0x170 [14955.865166][ T7704] __sys_sendmsg+0xcd/0x170 [14955.865166][ T7704] do_syscall_64+0xc6/0x1e0 [14955.865166][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14955.865166][ T7704] [14955.868832][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14955.868832][ T7704] netdev_get_by_index+0x5e/0x80 [14955.868832][ T7704] fib6_nh_init+0x3d8/0x15b0 [14955.868832][ T7704] ip6_route_info_create+0xf18/0x17d0 [14955.868832][ T7704] ip6_route_add+0x1c/0x140 [14955.868832][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14955.868832][ T7704] addrconf_add_dev+0xe2/0x170 [14955.868832][ T7704] inet6_addr_add+0x12f/0xa40 [14955.868832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14955.868832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14955.868832][ T7704] netlink_rcv_skb+0x130/0x360 [14955.868832][ T7704] netlink_unicast+0x449/0x710 [14955.868832][ T7704] netlink_sendmsg+0x723/0xbe0 [14955.868832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14955.868832][ T7704] ___sys_sendmsg+0xee/0x170 [14955.868832][ T7704] __sys_sendmsg+0xcd/0x170 [14955.868832][ T7704] do_syscall_64+0xc6/0x1e0 [14955.868832][ T7704] [14955.872449][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14955.872449][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14955.872449][ T7704] ipv6_find_idev+0x102/0x170 [14955.872449][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14955.872449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14955.872449][ T7704] netlink_rcv_skb+0x130/0x360 [14955.872449][ T7704] netlink_unicast+0x449/0x710 [14955.872449][ T7704] netlink_sendmsg+0x723/0xbe0 [14955.872449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14955.872449][ T7704] ___sys_sendmsg+0xee/0x170 [14955.872449][ T7704] __sys_sendmsg+0xcd/0x170 [14955.872449][ T7704] do_syscall_64+0xc6/0x1e0 [14955.872449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14955.872449][ T7704] [14955.875353][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14955.875353][ T7704] neigh_parms_alloc+0x1e5/0x510 [14955.875353][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14955.875353][ T7704] ipv6_find_idev+0x102/0x170 [14955.875353][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14955.875353][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14955.875353][ T7704] netlink_rcv_skb+0x130/0x360 [14955.875353][ T7704] netlink_unicast+0x449/0x710 [14955.875353][ T7704] netlink_sendmsg+0x723/0xbe0 [14955.875353][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14955.875353][ T7704] ___sys_sendmsg+0xee/0x170 [14955.875353][ T7704] __sys_sendmsg+0xcd/0x170 [14955.875353][ T7704] do_syscall_64+0xc6/0x1e0 [14955.875353][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14955.875353][ T7704] [14966.116830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14966.117353][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14966.117353][ T7704] netdev_get_by_index+0x5e/0x80 [14966.117353][ T7704] fib6_nh_init+0x3d8/0x15b0 [14966.117353][ T7704] ip6_route_info_create+0xf18/0x17d0 [14966.117353][ T7704] ip6_route_add+0x1c/0x140 [14966.117353][ T7704] addrconf_prefix_route+0x2a6/0x430 [14966.117353][ T7704] inet6_addr_add+0x4f8/0xa40 [14966.117353][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14966.117353][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14966.117353][ T7704] netlink_rcv_skb+0x130/0x360 [14966.117353][ T7704] netlink_unicast+0x449/0x710 [14966.117353][ T7704] netlink_sendmsg+0x723/0xbe0 [14966.117353][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14966.117353][ T7704] ___sys_sendmsg+0xee/0x170 [14966.117353][ T7704] __sys_sendmsg+0xcd/0x170 [14966.117353][ T7704] do_syscall_64+0xc6/0x1e0 [14966.117353][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14966.117353][ T7704] [14966.119687][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14966.119687][ T7704] netdev_get_by_index+0x5e/0x80 [14966.119687][ T7704] fib6_nh_init+0x3d8/0x15b0 [14966.119687][ T7704] ip6_route_info_create+0xf18/0x17d0 [14966.119687][ T7704] addrconf_f6i_alloc+0x315/0x560 [14966.119687][ T7704] ipv6_add_addr+0x411/0x2000 [14966.119687][ T7704] inet6_addr_add+0x30e/0xa40 [14966.119687][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14966.119687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14966.119687][ T7704] netlink_rcv_skb+0x130/0x360 [14966.119687][ T7704] netlink_unicast+0x449/0x710 [14966.119687][ T7704] netlink_sendmsg+0x723/0xbe0 [14966.119687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14966.119687][ T7704] ___sys_sendmsg+0xee/0x170 [14966.119687][ T7704] __sys_sendmsg+0xcd/0x170 [14966.119687][ T7704] do_syscall_64+0xc6/0x1e0 [14966.119687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14966.119687][ T7704] [14966.121962][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14966.121962][ T7704] netdev_get_by_index+0x5e/0x80 [14966.121962][ T7704] fib6_nh_init+0x3d8/0x15b0 [14966.121962][ T7704] ip6_route_info_create+0xf18/0x17d0 [14966.121962][ T7704] ip6_route_add+0x1c/0x140 [14966.121962][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14966.121962][ T7704] addrconf_add_dev+0xe2/0x170 [14966.121962][ T7704] inet6_addr_add+0x12f/0xa40 [14966.121962][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14966.121962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14966.121962][ T7704] netlink_rcv_skb+0x130/0x360 [14966.121962][ T7704] netlink_unicast+0x449/0x710 [14966.121962][ T7704] netlink_sendmsg+0x723/0xbe0 [14966.121962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14966.121962][ T7704] ___sys_sendmsg+0xee/0x170 [14966.121962][ T7704] __sys_sendmsg+0xcd/0x170 [14966.121962][ T7704] do_syscall_64+0xc6/0x1e0 [14966.121962][ T7704] [14966.124707][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14966.124707][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14966.124707][ T7704] ipv6_find_idev+0x102/0x170 [14966.124707][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14966.124707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14966.124707][ T7704] netlink_rcv_skb+0x130/0x360 [14966.124707][ T7704] netlink_unicast+0x449/0x710 [14966.124707][ T7704] netlink_sendmsg+0x723/0xbe0 [14966.124707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14966.124707][ T7704] ___sys_sendmsg+0xee/0x170 [14966.124707][ T7704] __sys_sendmsg+0xcd/0x170 [14966.124707][ T7704] do_syscall_64+0xc6/0x1e0 [14966.124707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14966.124707][ T7704] [14966.126439][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14966.126439][ T7704] neigh_parms_alloc+0x1e5/0x510 [14966.126439][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14966.126439][ T7704] ipv6_find_idev+0x102/0x170 [14966.126439][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14966.126439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14966.126439][ T7704] netlink_rcv_skb+0x130/0x360 [14966.126439][ T7704] netlink_unicast+0x449/0x710 [14966.126439][ T7704] netlink_sendmsg+0x723/0xbe0 [14966.126439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14966.126439][ T7704] ___sys_sendmsg+0xee/0x170 [14966.126439][ T7704] __sys_sendmsg+0xcd/0x170 [14966.126439][ T7704] do_syscall_64+0xc6/0x1e0 [14966.126439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14966.126439][ T7704] [14976.204892][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14976.205421][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14976.205421][ T7704] netdev_get_by_index+0x5e/0x80 [14976.205421][ T7704] fib6_nh_init+0x3d8/0x15b0 [14976.205421][ T7704] ip6_route_info_create+0xf18/0x17d0 [14976.205421][ T7704] ip6_route_add+0x1c/0x140 [14976.205421][ T7704] addrconf_prefix_route+0x2a6/0x430 [14976.205421][ T7704] inet6_addr_add+0x4f8/0xa40 [14976.205421][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14976.205421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14976.205421][ T7704] netlink_rcv_skb+0x130/0x360 [14976.205421][ T7704] netlink_unicast+0x449/0x710 [14976.205421][ T7704] netlink_sendmsg+0x723/0xbe0 [14976.205421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14976.205421][ T7704] ___sys_sendmsg+0xee/0x170 [14976.205421][ T7704] __sys_sendmsg+0xcd/0x170 [14976.205421][ T7704] do_syscall_64+0xc6/0x1e0 [14976.205421][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14976.205421][ T7704] [14976.207914][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14976.207914][ T7704] netdev_get_by_index+0x5e/0x80 [14976.207914][ T7704] fib6_nh_init+0x3d8/0x15b0 [14976.207914][ T7704] ip6_route_info_create+0xf18/0x17d0 [14976.207914][ T7704] addrconf_f6i_alloc+0x315/0x560 [14976.207914][ T7704] ipv6_add_addr+0x411/0x2000 [14976.207914][ T7704] inet6_addr_add+0x30e/0xa40 [14976.207914][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14976.207914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14976.207914][ T7704] netlink_rcv_skb+0x130/0x360 [14976.207914][ T7704] netlink_unicast+0x449/0x710 [14976.207914][ T7704] netlink_sendmsg+0x723/0xbe0 [14976.207914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14976.207914][ T7704] ___sys_sendmsg+0xee/0x170 [14976.207914][ T7704] __sys_sendmsg+0xcd/0x170 [14976.207914][ T7704] do_syscall_64+0xc6/0x1e0 [14976.207914][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14976.207914][ T7704] [14976.210944][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14976.210944][ T7704] netdev_get_by_index+0x5e/0x80 [14976.210944][ T7704] fib6_nh_init+0x3d8/0x15b0 [14976.210944][ T7704] ip6_route_info_create+0xf18/0x17d0 [14976.210944][ T7704] ip6_route_add+0x1c/0x140 [14976.210944][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14976.210944][ T7704] addrconf_add_dev+0xe2/0x170 [14976.210944][ T7704] inet6_addr_add+0x12f/0xa40 [14976.210944][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14976.210944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14976.210944][ T7704] netlink_rcv_skb+0x130/0x360 [14976.210944][ T7704] netlink_unicast+0x449/0x710 [14976.210944][ T7704] netlink_sendmsg+0x723/0xbe0 [14976.210944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14976.210944][ T7704] ___sys_sendmsg+0xee/0x170 [14976.210944][ T7704] __sys_sendmsg+0xcd/0x170 [14976.210944][ T7704] do_syscall_64+0xc6/0x1e0 [14976.210944][ T7704] [14976.213793][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14976.213793][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14976.213793][ T7704] ipv6_find_idev+0x102/0x170 [14976.213793][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14976.213793][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14976.213793][ T7704] netlink_rcv_skb+0x130/0x360 [14976.213793][ T7704] netlink_unicast+0x449/0x710 [14976.213793][ T7704] netlink_sendmsg+0x723/0xbe0 [14976.213793][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14976.213793][ T7704] ___sys_sendmsg+0xee/0x170 [14976.213793][ T7704] __sys_sendmsg+0xcd/0x170 [14976.213793][ T7704] do_syscall_64+0xc6/0x1e0 [14976.213793][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14976.213793][ T7704] [14976.215730][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14976.215730][ T7704] neigh_parms_alloc+0x1e5/0x510 [14976.215730][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14976.215730][ T7704] ipv6_find_idev+0x102/0x170 [14976.215730][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14976.215730][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14976.215730][ T7704] netlink_rcv_skb+0x130/0x360 [14976.215730][ T7704] netlink_unicast+0x449/0x710 [14976.215730][ T7704] netlink_sendmsg+0x723/0xbe0 [14976.215730][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14976.215730][ T7704] ___sys_sendmsg+0xee/0x170 [14976.215730][ T7704] __sys_sendmsg+0xcd/0x170 [14976.215730][ T7704] do_syscall_64+0xc6/0x1e0 [14976.215730][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14976.215730][ T7704] [14986.260835][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14986.261380][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14986.261380][ T7704] netdev_get_by_index+0x5e/0x80 [14986.261380][ T7704] fib6_nh_init+0x3d8/0x15b0 [14986.261380][ T7704] ip6_route_info_create+0xf18/0x17d0 [14986.261380][ T7704] ip6_route_add+0x1c/0x140 [14986.261380][ T7704] addrconf_prefix_route+0x2a6/0x430 [14986.261380][ T7704] inet6_addr_add+0x4f8/0xa40 [14986.261380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14986.261380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14986.261380][ T7704] netlink_rcv_skb+0x130/0x360 [14986.261380][ T7704] netlink_unicast+0x449/0x710 [14986.261380][ T7704] netlink_sendmsg+0x723/0xbe0 [14986.261380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14986.261380][ T7704] ___sys_sendmsg+0xee/0x170 [14986.261380][ T7704] __sys_sendmsg+0xcd/0x170 [14986.261380][ T7704] do_syscall_64+0xc6/0x1e0 [14986.261380][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14986.261380][ T7704] [14986.263879][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14986.263879][ T7704] netdev_get_by_index+0x5e/0x80 [14986.263879][ T7704] fib6_nh_init+0x3d8/0x15b0 [14986.263879][ T7704] ip6_route_info_create+0xf18/0x17d0 [14986.263879][ T7704] addrconf_f6i_alloc+0x315/0x560 [14986.263879][ T7704] ipv6_add_addr+0x411/0x2000 [14986.263879][ T7704] inet6_addr_add+0x30e/0xa40 [14986.263879][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14986.263879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14986.263879][ T7704] netlink_rcv_skb+0x130/0x360 [14986.263879][ T7704] netlink_unicast+0x449/0x710 [14986.263879][ T7704] netlink_sendmsg+0x723/0xbe0 [14986.263879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14986.263879][ T7704] ___sys_sendmsg+0xee/0x170 [14986.263879][ T7704] __sys_sendmsg+0xcd/0x170 [14986.263879][ T7704] do_syscall_64+0xc6/0x1e0 [14986.263879][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14986.263879][ T7704] [14986.266328][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14986.266328][ T7704] netdev_get_by_index+0x5e/0x80 [14986.266328][ T7704] fib6_nh_init+0x3d8/0x15b0 [14986.266328][ T7704] ip6_route_info_create+0xf18/0x17d0 [14986.266328][ T7704] ip6_route_add+0x1c/0x140 [14986.266328][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14986.266328][ T7704] addrconf_add_dev+0xe2/0x170 [14986.266328][ T7704] inet6_addr_add+0x12f/0xa40 [14986.266328][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14986.266328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14986.266328][ T7704] netlink_rcv_skb+0x130/0x360 [14986.266328][ T7704] netlink_unicast+0x449/0x710 [14986.266328][ T7704] netlink_sendmsg+0x723/0xbe0 [14986.266328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14986.266328][ T7704] ___sys_sendmsg+0xee/0x170 [14986.266328][ T7704] __sys_sendmsg+0xcd/0x170 [14986.266328][ T7704] do_syscall_64+0xc6/0x1e0 [14986.266328][ T7704] [14986.268753][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14986.268753][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14986.268753][ T7704] ipv6_find_idev+0x102/0x170 [14986.268753][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14986.268753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14986.268753][ T7704] netlink_rcv_skb+0x130/0x360 [14986.268753][ T7704] netlink_unicast+0x449/0x710 [14986.268753][ T7704] netlink_sendmsg+0x723/0xbe0 [14986.268753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14986.268753][ T7704] ___sys_sendmsg+0xee/0x170 [14986.268753][ T7704] __sys_sendmsg+0xcd/0x170 [14986.268753][ T7704] do_syscall_64+0xc6/0x1e0 [14986.268753][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14986.268753][ T7704] [14986.270648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14986.270648][ T7704] neigh_parms_alloc+0x1e5/0x510 [14986.270648][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14986.270648][ T7704] ipv6_find_idev+0x102/0x170 [14986.270648][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14986.270648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14986.270648][ T7704] netlink_rcv_skb+0x130/0x360 [14986.270648][ T7704] netlink_unicast+0x449/0x710 [14986.270648][ T7704] netlink_sendmsg+0x723/0xbe0 [14986.270648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14986.270648][ T7704] ___sys_sendmsg+0xee/0x170 [14986.270648][ T7704] __sys_sendmsg+0xcd/0x170 [14986.270648][ T7704] do_syscall_64+0xc6/0x1e0 [14986.270648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14986.270648][ T7704] [14996.524832][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [14996.525374][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14996.525374][ T7704] netdev_get_by_index+0x5e/0x80 [14996.525374][ T7704] fib6_nh_init+0x3d8/0x15b0 [14996.525374][ T7704] ip6_route_info_create+0xf18/0x17d0 [14996.525374][ T7704] ip6_route_add+0x1c/0x140 [14996.525374][ T7704] addrconf_prefix_route+0x2a6/0x430 [14996.525374][ T7704] inet6_addr_add+0x4f8/0xa40 [14996.525374][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14996.525374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14996.525374][ T7704] netlink_rcv_skb+0x130/0x360 [14996.525374][ T7704] netlink_unicast+0x449/0x710 [14996.525374][ T7704] netlink_sendmsg+0x723/0xbe0 [14996.525374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14996.525374][ T7704] ___sys_sendmsg+0xee/0x170 [14996.525374][ T7704] __sys_sendmsg+0xcd/0x170 [14996.525374][ T7704] do_syscall_64+0xc6/0x1e0 [14996.525374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14996.525374][ T7704] [14996.527856][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14996.527856][ T7704] netdev_get_by_index+0x5e/0x80 [14996.527856][ T7704] fib6_nh_init+0x3d8/0x15b0 [14996.527856][ T7704] ip6_route_info_create+0xf18/0x17d0 [14996.527856][ T7704] addrconf_f6i_alloc+0x315/0x560 [14996.527856][ T7704] ipv6_add_addr+0x411/0x2000 [14996.527856][ T7704] inet6_addr_add+0x30e/0xa40 [14996.527856][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14996.527856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14996.527856][ T7704] netlink_rcv_skb+0x130/0x360 [14996.527856][ T7704] netlink_unicast+0x449/0x710 [14996.527856][ T7704] netlink_sendmsg+0x723/0xbe0 [14996.527856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14996.527856][ T7704] ___sys_sendmsg+0xee/0x170 [14996.527856][ T7704] __sys_sendmsg+0xcd/0x170 [14996.527856][ T7704] do_syscall_64+0xc6/0x1e0 [14996.527856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14996.527856][ T7704] [14996.530342][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14996.530342][ T7704] netdev_get_by_index+0x5e/0x80 [14996.530342][ T7704] fib6_nh_init+0x3d8/0x15b0 [14996.530342][ T7704] ip6_route_info_create+0xf18/0x17d0 [14996.530342][ T7704] ip6_route_add+0x1c/0x140 [14996.530342][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [14996.530342][ T7704] addrconf_add_dev+0xe2/0x170 [14996.530342][ T7704] inet6_addr_add+0x12f/0xa40 [14996.530342][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [14996.530342][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14996.530342][ T7704] netlink_rcv_skb+0x130/0x360 [14996.530342][ T7704] netlink_unicast+0x449/0x710 [14996.530342][ T7704] netlink_sendmsg+0x723/0xbe0 [14996.530342][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14996.530342][ T7704] ___sys_sendmsg+0xee/0x170 [14996.530342][ T7704] __sys_sendmsg+0xcd/0x170 [14996.530342][ T7704] do_syscall_64+0xc6/0x1e0 [14996.530342][ T7704] [14996.532808][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14996.532808][ T7704] ipv6_add_dev+0x3b9/0x11c0 [14996.532808][ T7704] ipv6_find_idev+0x102/0x170 [14996.532808][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14996.532808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14996.532808][ T7704] netlink_rcv_skb+0x130/0x360 [14996.532808][ T7704] netlink_unicast+0x449/0x710 [14996.532808][ T7704] netlink_sendmsg+0x723/0xbe0 [14996.532808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14996.532808][ T7704] ___sys_sendmsg+0xee/0x170 [14996.532808][ T7704] __sys_sendmsg+0xcd/0x170 [14996.532808][ T7704] do_syscall_64+0xc6/0x1e0 [14996.532808][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14996.532808][ T7704] [14996.534678][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [14996.534678][ T7704] neigh_parms_alloc+0x1e5/0x510 [14996.534678][ T7704] ipv6_add_dev+0x2fd/0x11c0 [14996.534678][ T7704] ipv6_find_idev+0x102/0x170 [14996.534678][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [14996.534678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [14996.534678][ T7704] netlink_rcv_skb+0x130/0x360 [14996.534678][ T7704] netlink_unicast+0x449/0x710 [14996.534678][ T7704] netlink_sendmsg+0x723/0xbe0 [14996.534678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [14996.534678][ T7704] ___sys_sendmsg+0xee/0x170 [14996.534678][ T7704] __sys_sendmsg+0xcd/0x170 [14996.534678][ T7704] do_syscall_64+0xc6/0x1e0 [14996.534678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [14996.534678][ T7704] [15006.780869][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15006.781435][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15006.781435][ T7704] netdev_get_by_index+0x5e/0x80 [15006.781435][ T7704] fib6_nh_init+0x3d8/0x15b0 [15006.781435][ T7704] ip6_route_info_create+0xf18/0x17d0 [15006.781435][ T7704] ip6_route_add+0x1c/0x140 [15006.781435][ T7704] addrconf_prefix_route+0x2a6/0x430 [15006.781435][ T7704] inet6_addr_add+0x4f8/0xa40 [15006.781435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15006.781435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15006.781435][ T7704] netlink_rcv_skb+0x130/0x360 [15006.781435][ T7704] netlink_unicast+0x449/0x710 [15006.781435][ T7704] netlink_sendmsg+0x723/0xbe0 [15006.781435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15006.781435][ T7704] ___sys_sendmsg+0xee/0x170 [15006.781435][ T7704] __sys_sendmsg+0xcd/0x170 [15006.781435][ T7704] do_syscall_64+0xc6/0x1e0 [15006.781435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15006.781435][ T7704] [15006.783935][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15006.783935][ T7704] netdev_get_by_index+0x5e/0x80 [15006.783935][ T7704] fib6_nh_init+0x3d8/0x15b0 [15006.783935][ T7704] ip6_route_info_create+0xf18/0x17d0 [15006.783935][ T7704] addrconf_f6i_alloc+0x315/0x560 [15006.783935][ T7704] ipv6_add_addr+0x411/0x2000 [15006.783935][ T7704] inet6_addr_add+0x30e/0xa40 [15006.783935][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15006.783935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15006.783935][ T7704] netlink_rcv_skb+0x130/0x360 [15006.783935][ T7704] netlink_unicast+0x449/0x710 [15006.783935][ T7704] netlink_sendmsg+0x723/0xbe0 [15006.783935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15006.783935][ T7704] ___sys_sendmsg+0xee/0x170 [15006.783935][ T7704] __sys_sendmsg+0xcd/0x170 [15006.783935][ T7704] do_syscall_64+0xc6/0x1e0 [15006.783935][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15006.783935][ T7704] [15006.786395][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15006.786395][ T7704] netdev_get_by_index+0x5e/0x80 [15006.786395][ T7704] fib6_nh_init+0x3d8/0x15b0 [15006.786395][ T7704] ip6_route_info_create+0xf18/0x17d0 [15006.786395][ T7704] ip6_route_add+0x1c/0x140 [15006.786395][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15006.786395][ T7704] addrconf_add_dev+0xe2/0x170 [15006.786395][ T7704] inet6_addr_add+0x12f/0xa40 [15006.786395][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15006.786395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15006.786395][ T7704] netlink_rcv_skb+0x130/0x360 [15006.786395][ T7704] netlink_unicast+0x449/0x710 [15006.786395][ T7704] netlink_sendmsg+0x723/0xbe0 [15006.786395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15006.786395][ T7704] ___sys_sendmsg+0xee/0x170 [15006.786395][ T7704] __sys_sendmsg+0xcd/0x170 [15006.786395][ T7704] do_syscall_64+0xc6/0x1e0 [15006.786395][ T7704] [15006.788817][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15006.788817][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15006.788817][ T7704] ipv6_find_idev+0x102/0x170 [15006.788817][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15006.788817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15006.788817][ T7704] netlink_rcv_skb+0x130/0x360 [15006.788817][ T7704] netlink_unicast+0x449/0x710 [15006.788817][ T7704] netlink_sendmsg+0x723/0xbe0 [15006.788817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15006.788817][ T7704] ___sys_sendmsg+0xee/0x170 [15006.788817][ T7704] __sys_sendmsg+0xcd/0x170 [15006.788817][ T7704] do_syscall_64+0xc6/0x1e0 [15006.788817][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15006.788817][ T7704] [15006.790708][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15006.790708][ T7704] neigh_parms_alloc+0x1e5/0x510 [15006.790708][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15006.790708][ T7704] ipv6_find_idev+0x102/0x170 [15006.790708][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15006.790708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15006.790708][ T7704] netlink_rcv_skb+0x130/0x360 [15006.790708][ T7704] netlink_unicast+0x449/0x710 [15006.790708][ T7704] netlink_sendmsg+0x723/0xbe0 [15006.790708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15006.790708][ T7704] ___sys_sendmsg+0xee/0x170 [15006.790708][ T7704] __sys_sendmsg+0xcd/0x170 [15006.790708][ T7704] do_syscall_64+0xc6/0x1e0 [15006.790708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15006.790708][ T7704] [15016.892821][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15016.893351][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15016.893351][ T7704] netdev_get_by_index+0x5e/0x80 [15016.893351][ T7704] fib6_nh_init+0x3d8/0x15b0 [15016.893351][ T7704] ip6_route_info_create+0xf18/0x17d0 [15016.893351][ T7704] ip6_route_add+0x1c/0x140 [15016.893351][ T7704] addrconf_prefix_route+0x2a6/0x430 [15016.893351][ T7704] inet6_addr_add+0x4f8/0xa40 [15016.893351][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15016.893351][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15016.893351][ T7704] netlink_rcv_skb+0x130/0x360 [15016.893351][ T7704] netlink_unicast+0x449/0x710 [15016.893351][ T7704] netlink_sendmsg+0x723/0xbe0 [15016.893351][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15016.893351][ T7704] ___sys_sendmsg+0xee/0x170 [15016.893351][ T7704] __sys_sendmsg+0xcd/0x170 [15016.893351][ T7704] do_syscall_64+0xc6/0x1e0 [15016.893351][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15016.893351][ T7704] [15016.895846][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15016.895846][ T7704] netdev_get_by_index+0x5e/0x80 [15016.895846][ T7704] fib6_nh_init+0x3d8/0x15b0 [15016.895846][ T7704] ip6_route_info_create+0xf18/0x17d0 [15016.895846][ T7704] addrconf_f6i_alloc+0x315/0x560 [15016.895846][ T7704] ipv6_add_addr+0x411/0x2000 [15016.895846][ T7704] inet6_addr_add+0x30e/0xa40 [15016.895846][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15016.895846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15016.895846][ T7704] netlink_rcv_skb+0x130/0x360 [15016.895846][ T7704] netlink_unicast+0x449/0x710 [15016.895846][ T7704] netlink_sendmsg+0x723/0xbe0 [15016.895846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15016.895846][ T7704] ___sys_sendmsg+0xee/0x170 [15016.895846][ T7704] __sys_sendmsg+0xcd/0x170 [15016.895846][ T7704] do_syscall_64+0xc6/0x1e0 [15016.895846][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15016.895846][ T7704] [15016.898300][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15016.898300][ T7704] netdev_get_by_index+0x5e/0x80 [15016.898300][ T7704] fib6_nh_init+0x3d8/0x15b0 [15016.898300][ T7704] ip6_route_info_create+0xf18/0x17d0 [15016.898300][ T7704] ip6_route_add+0x1c/0x140 [15016.898300][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15016.898300][ T7704] addrconf_add_dev+0xe2/0x170 [15016.898300][ T7704] inet6_addr_add+0x12f/0xa40 [15016.898300][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15016.898300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15016.898300][ T7704] netlink_rcv_skb+0x130/0x360 [15016.898300][ T7704] netlink_unicast+0x449/0x710 [15016.898300][ T7704] netlink_sendmsg+0x723/0xbe0 [15016.898300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15016.898300][ T7704] ___sys_sendmsg+0xee/0x170 [15016.898300][ T7704] __sys_sendmsg+0xcd/0x170 [15016.898300][ T7704] do_syscall_64+0xc6/0x1e0 [15016.898300][ T7704] [15016.900719][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15016.900719][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15016.900719][ T7704] ipv6_find_idev+0x102/0x170 [15016.900719][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15016.900719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15016.900719][ T7704] netlink_rcv_skb+0x130/0x360 [15016.900719][ T7704] netlink_unicast+0x449/0x710 [15016.900719][ T7704] netlink_sendmsg+0x723/0xbe0 [15016.900719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15016.900719][ T7704] ___sys_sendmsg+0xee/0x170 [15016.900719][ T7704] __sys_sendmsg+0xcd/0x170 [15016.900719][ T7704] do_syscall_64+0xc6/0x1e0 [15016.900719][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15016.900719][ T7704] [15016.902633][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15016.902633][ T7704] neigh_parms_alloc+0x1e5/0x510 [15016.902633][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15016.902633][ T7704] ipv6_find_idev+0x102/0x170 [15016.902633][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15016.902633][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15016.902633][ T7704] netlink_rcv_skb+0x130/0x360 [15016.902633][ T7704] netlink_unicast+0x449/0x710 [15016.902633][ T7704] netlink_sendmsg+0x723/0xbe0 [15016.902633][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15016.902633][ T7704] ___sys_sendmsg+0xee/0x170 [15016.902633][ T7704] __sys_sendmsg+0xcd/0x170 [15016.902633][ T7704] do_syscall_64+0xc6/0x1e0 [15016.902633][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15016.902633][ T7704] [15027.140818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15027.141377][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15027.141377][ T7704] netdev_get_by_index+0x5e/0x80 [15027.141377][ T7704] fib6_nh_init+0x3d8/0x15b0 [15027.141377][ T7704] ip6_route_info_create+0xf18/0x17d0 [15027.141377][ T7704] ip6_route_add+0x1c/0x140 [15027.141377][ T7704] addrconf_prefix_route+0x2a6/0x430 [15027.141377][ T7704] inet6_addr_add+0x4f8/0xa40 [15027.141377][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15027.141377][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15027.141377][ T7704] netlink_rcv_skb+0x130/0x360 [15027.141377][ T7704] netlink_unicast+0x449/0x710 [15027.141377][ T7704] netlink_sendmsg+0x723/0xbe0 [15027.141377][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15027.141377][ T7704] ___sys_sendmsg+0xee/0x170 [15027.141377][ T7704] __sys_sendmsg+0xcd/0x170 [15027.141377][ T7704] do_syscall_64+0xc6/0x1e0 [15027.141377][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15027.141377][ T7704] [15027.143880][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15027.143880][ T7704] netdev_get_by_index+0x5e/0x80 [15027.143880][ T7704] fib6_nh_init+0x3d8/0x15b0 [15027.143880][ T7704] ip6_route_info_create+0xf18/0x17d0 [15027.143880][ T7704] addrconf_f6i_alloc+0x315/0x560 [15027.143880][ T7704] ipv6_add_addr+0x411/0x2000 [15027.143880][ T7704] inet6_addr_add+0x30e/0xa40 [15027.143880][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15027.143880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15027.143880][ T7704] netlink_rcv_skb+0x130/0x360 [15027.143880][ T7704] netlink_unicast+0x449/0x710 [15027.143880][ T7704] netlink_sendmsg+0x723/0xbe0 [15027.143880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15027.143880][ T7704] ___sys_sendmsg+0xee/0x170 [15027.143880][ T7704] __sys_sendmsg+0xcd/0x170 [15027.143880][ T7704] do_syscall_64+0xc6/0x1e0 [15027.143880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15027.143880][ T7704] [15027.146377][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15027.146377][ T7704] netdev_get_by_index+0x5e/0x80 [15027.146377][ T7704] fib6_nh_init+0x3d8/0x15b0 [15027.146377][ T7704] ip6_route_info_create+0xf18/0x17d0 [15027.146377][ T7704] ip6_route_add+0x1c/0x140 [15027.146377][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15027.146377][ T7704] addrconf_add_dev+0xe2/0x170 [15027.146377][ T7704] inet6_addr_add+0x12f/0xa40 [15027.146377][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15027.146377][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15027.146377][ T7704] netlink_rcv_skb+0x130/0x360 [15027.146377][ T7704] netlink_unicast+0x449/0x710 [15027.146377][ T7704] netlink_sendmsg+0x723/0xbe0 [15027.146377][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15027.146377][ T7704] ___sys_sendmsg+0xee/0x170 [15027.146377][ T7704] __sys_sendmsg+0xcd/0x170 [15027.146377][ T7704] do_syscall_64+0xc6/0x1e0 [15027.146377][ T7704] [15027.148799][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15027.148799][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15027.148799][ T7704] ipv6_find_idev+0x102/0x170 [15027.148799][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15027.148799][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15027.148799][ T7704] netlink_rcv_skb+0x130/0x360 [15027.148799][ T7704] netlink_unicast+0x449/0x710 [15027.148799][ T7704] netlink_sendmsg+0x723/0xbe0 [15027.148799][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15027.148799][ T7704] ___sys_sendmsg+0xee/0x170 [15027.148799][ T7704] __sys_sendmsg+0xcd/0x170 [15027.148799][ T7704] do_syscall_64+0xc6/0x1e0 [15027.148799][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15027.148799][ T7704] [15027.150696][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15027.150696][ T7704] neigh_parms_alloc+0x1e5/0x510 [15027.150696][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15027.150696][ T7704] ipv6_find_idev+0x102/0x170 [15027.150696][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15027.150696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15027.150696][ T7704] netlink_rcv_skb+0x130/0x360 [15027.150696][ T7704] netlink_unicast+0x449/0x710 [15027.150696][ T7704] netlink_sendmsg+0x723/0xbe0 [15027.150696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15027.150696][ T7704] ___sys_sendmsg+0xee/0x170 [15027.150696][ T7704] __sys_sendmsg+0xcd/0x170 [15027.150696][ T7704] do_syscall_64+0xc6/0x1e0 [15027.150696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15027.150696][ T7704] [15037.388838][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15037.389302][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15037.389302][ T7704] netdev_get_by_index+0x5e/0x80 [15037.389302][ T7704] fib6_nh_init+0x3d8/0x15b0 [15037.389302][ T7704] ip6_route_info_create+0xf18/0x17d0 [15037.389302][ T7704] ip6_route_add+0x1c/0x140 [15037.389302][ T7704] addrconf_prefix_route+0x2a6/0x430 [15037.389302][ T7704] inet6_addr_add+0x4f8/0xa40 [15037.389302][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15037.389302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15037.389302][ T7704] netlink_rcv_skb+0x130/0x360 [15037.389302][ T7704] netlink_unicast+0x449/0x710 [15037.389302][ T7704] netlink_sendmsg+0x723/0xbe0 [15037.389302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15037.389302][ T7704] ___sys_sendmsg+0xee/0x170 [15037.389302][ T7704] __sys_sendmsg+0xcd/0x170 [15037.389302][ T7704] do_syscall_64+0xc6/0x1e0 [15037.389302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15037.389302][ T7704] [15037.391601][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15037.391601][ T7704] netdev_get_by_index+0x5e/0x80 [15037.391601][ T7704] fib6_nh_init+0x3d8/0x15b0 [15037.391601][ T7704] ip6_route_info_create+0xf18/0x17d0 [15037.391601][ T7704] addrconf_f6i_alloc+0x315/0x560 [15037.391601][ T7704] ipv6_add_addr+0x411/0x2000 [15037.391601][ T7704] inet6_addr_add+0x30e/0xa40 [15037.391601][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15037.391601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15037.391601][ T7704] netlink_rcv_skb+0x130/0x360 [15037.391601][ T7704] netlink_unicast+0x449/0x710 [15037.391601][ T7704] netlink_sendmsg+0x723/0xbe0 [15037.391601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15037.391601][ T7704] ___sys_sendmsg+0xee/0x170 [15037.391601][ T7704] __sys_sendmsg+0xcd/0x170 [15037.391601][ T7704] do_syscall_64+0xc6/0x1e0 [15037.391601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15037.391601][ T7704] [15037.393839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15037.393839][ T7704] netdev_get_by_index+0x5e/0x80 [15037.393839][ T7704] fib6_nh_init+0x3d8/0x15b0 [15037.393839][ T7704] ip6_route_info_create+0xf18/0x17d0 [15037.393839][ T7704] ip6_route_add+0x1c/0x140 [15037.393839][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15037.393839][ T7704] addrconf_add_dev+0xe2/0x170 [15037.393839][ T7704] inet6_addr_add+0x12f/0xa40 [15037.393839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15037.393839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15037.393839][ T7704] netlink_rcv_skb+0x130/0x360 [15037.393839][ T7704] netlink_unicast+0x449/0x710 [15037.393839][ T7704] netlink_sendmsg+0x723/0xbe0 [15037.393839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15037.393839][ T7704] ___sys_sendmsg+0xee/0x170 [15037.393839][ T7704] __sys_sendmsg+0xcd/0x170 [15037.393839][ T7704] do_syscall_64+0xc6/0x1e0 [15037.393839][ T7704] [15037.396033][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15037.396033][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15037.396033][ T7704] ipv6_find_idev+0x102/0x170 [15037.396033][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15037.396033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15037.396033][ T7704] netlink_rcv_skb+0x130/0x360 [15037.396033][ T7704] netlink_unicast+0x449/0x710 [15037.396033][ T7704] netlink_sendmsg+0x723/0xbe0 [15037.396033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15037.396033][ T7704] ___sys_sendmsg+0xee/0x170 [15037.396033][ T7704] __sys_sendmsg+0xcd/0x170 [15037.396033][ T7704] do_syscall_64+0xc6/0x1e0 [15037.396033][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15037.396033][ T7704] [15037.397752][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15037.397752][ T7704] neigh_parms_alloc+0x1e5/0x510 [15037.397752][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15037.397752][ T7704] ipv6_find_idev+0x102/0x170 [15037.397752][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15037.397752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15037.397752][ T7704] netlink_rcv_skb+0x130/0x360 [15037.397752][ T7704] netlink_unicast+0x449/0x710 [15037.397752][ T7704] netlink_sendmsg+0x723/0xbe0 [15037.397752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15037.397752][ T7704] ___sys_sendmsg+0xee/0x170 [15037.397752][ T7704] __sys_sendmsg+0xcd/0x170 [15037.397752][ T7704] do_syscall_64+0xc6/0x1e0 [15037.397752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15037.397752][ T7704] [15047.636803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15047.637318][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15047.637318][ T7704] netdev_get_by_index+0x5e/0x80 [15047.637318][ T7704] fib6_nh_init+0x3d8/0x15b0 [15047.637318][ T7704] ip6_route_info_create+0xf18/0x17d0 [15047.637318][ T7704] ip6_route_add+0x1c/0x140 [15047.637318][ T7704] addrconf_prefix_route+0x2a6/0x430 [15047.637318][ T7704] inet6_addr_add+0x4f8/0xa40 [15047.637318][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15047.637318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15047.637318][ T7704] netlink_rcv_skb+0x130/0x360 [15047.637318][ T7704] netlink_unicast+0x449/0x710 [15047.637318][ T7704] netlink_sendmsg+0x723/0xbe0 [15047.637318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15047.637318][ T7704] ___sys_sendmsg+0xee/0x170 [15047.637318][ T7704] __sys_sendmsg+0xcd/0x170 [15047.637318][ T7704] do_syscall_64+0xc6/0x1e0 [15047.637318][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15047.637318][ T7704] [15047.639585][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15047.639585][ T7704] netdev_get_by_index+0x5e/0x80 [15047.639585][ T7704] fib6_nh_init+0x3d8/0x15b0 [15047.639585][ T7704] ip6_route_info_create+0xf18/0x17d0 [15047.639585][ T7704] addrconf_f6i_alloc+0x315/0x560 [15047.639585][ T7704] ipv6_add_addr+0x411/0x2000 [15047.639585][ T7704] inet6_addr_add+0x30e/0xa40 [15047.639585][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15047.639585][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15047.639585][ T7704] netlink_rcv_skb+0x130/0x360 [15047.639585][ T7704] netlink_unicast+0x449/0x710 [15047.639585][ T7704] netlink_sendmsg+0x723/0xbe0 [15047.639585][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15047.639585][ T7704] ___sys_sendmsg+0xee/0x170 [15047.639585][ T7704] __sys_sendmsg+0xcd/0x170 [15047.639585][ T7704] do_syscall_64+0xc6/0x1e0 [15047.639585][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15047.639585][ T7704] [15047.641837][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15047.641837][ T7704] netdev_get_by_index+0x5e/0x80 [15047.641837][ T7704] fib6_nh_init+0x3d8/0x15b0 [15047.641837][ T7704] ip6_route_info_create+0xf18/0x17d0 [15047.641837][ T7704] ip6_route_add+0x1c/0x140 [15047.641837][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15047.641837][ T7704] addrconf_add_dev+0xe2/0x170 [15047.641837][ T7704] inet6_addr_add+0x12f/0xa40 [15047.641837][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15047.641837][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15047.641837][ T7704] netlink_rcv_skb+0x130/0x360 [15047.641837][ T7704] netlink_unicast+0x449/0x710 [15047.641837][ T7704] netlink_sendmsg+0x723/0xbe0 [15047.641837][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15047.641837][ T7704] ___sys_sendmsg+0xee/0x170 [15047.641837][ T7704] __sys_sendmsg+0xcd/0x170 [15047.641837][ T7704] do_syscall_64+0xc6/0x1e0 [15047.641837][ T7704] [15047.644056][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15047.644056][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15047.644056][ T7704] ipv6_find_idev+0x102/0x170 [15047.644056][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15047.644056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15047.644056][ T7704] netlink_rcv_skb+0x130/0x360 [15047.644056][ T7704] netlink_unicast+0x449/0x710 [15047.644056][ T7704] netlink_sendmsg+0x723/0xbe0 [15047.644056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15047.644056][ T7704] ___sys_sendmsg+0xee/0x170 [15047.644056][ T7704] __sys_sendmsg+0xcd/0x170 [15047.644056][ T7704] do_syscall_64+0xc6/0x1e0 [15047.644056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15047.644056][ T7704] [15047.645776][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15047.645776][ T7704] neigh_parms_alloc+0x1e5/0x510 [15047.645776][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15047.645776][ T7704] ipv6_find_idev+0x102/0x170 [15047.645776][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15047.645776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15047.645776][ T7704] netlink_rcv_skb+0x130/0x360 [15047.645776][ T7704] netlink_unicast+0x449/0x710 [15047.645776][ T7704] netlink_sendmsg+0x723/0xbe0 [15047.645776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15047.645776][ T7704] ___sys_sendmsg+0xee/0x170 [15047.645776][ T7704] __sys_sendmsg+0xcd/0x170 [15047.645776][ T7704] do_syscall_64+0xc6/0x1e0 [15047.645776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15047.645776][ T7704] [15057.884804][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15057.885343][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15057.885343][ T7704] netdev_get_by_index+0x5e/0x80 [15057.885343][ T7704] fib6_nh_init+0x3d8/0x15b0 [15057.885343][ T7704] ip6_route_info_create+0xf18/0x17d0 [15057.885343][ T7704] ip6_route_add+0x1c/0x140 [15057.885343][ T7704] addrconf_prefix_route+0x2a6/0x430 [15057.885343][ T7704] inet6_addr_add+0x4f8/0xa40 [15057.885343][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15057.885343][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15057.885343][ T7704] netlink_rcv_skb+0x130/0x360 [15057.885343][ T7704] netlink_unicast+0x449/0x710 [15057.885343][ T7704] netlink_sendmsg+0x723/0xbe0 [15057.885343][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15057.885343][ T7704] ___sys_sendmsg+0xee/0x170 [15057.885343][ T7704] __sys_sendmsg+0xcd/0x170 [15057.885343][ T7704] do_syscall_64+0xc6/0x1e0 [15057.885343][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15057.885343][ T7704] [15057.887597][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15057.887597][ T7704] netdev_get_by_index+0x5e/0x80 [15057.887597][ T7704] fib6_nh_init+0x3d8/0x15b0 [15057.887597][ T7704] ip6_route_info_create+0xf18/0x17d0 [15057.887597][ T7704] addrconf_f6i_alloc+0x315/0x560 [15057.887597][ T7704] ipv6_add_addr+0x411/0x2000 [15057.887597][ T7704] inet6_addr_add+0x30e/0xa40 [15057.887597][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15057.887597][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15057.887597][ T7704] netlink_rcv_skb+0x130/0x360 [15057.887597][ T7704] netlink_unicast+0x449/0x710 [15057.887597][ T7704] netlink_sendmsg+0x723/0xbe0 [15057.887597][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15057.887597][ T7704] ___sys_sendmsg+0xee/0x170 [15057.887597][ T7704] __sys_sendmsg+0xcd/0x170 [15057.887597][ T7704] do_syscall_64+0xc6/0x1e0 [15057.887597][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15057.887597][ T7704] [15057.889839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15057.889839][ T7704] netdev_get_by_index+0x5e/0x80 [15057.889839][ T7704] fib6_nh_init+0x3d8/0x15b0 [15057.889839][ T7704] ip6_route_info_create+0xf18/0x17d0 [15057.889839][ T7704] ip6_route_add+0x1c/0x140 [15057.889839][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15057.889839][ T7704] addrconf_add_dev+0xe2/0x170 [15057.889839][ T7704] inet6_addr_add+0x12f/0xa40 [15057.889839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15057.889839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15057.889839][ T7704] netlink_rcv_skb+0x130/0x360 [15057.889839][ T7704] netlink_unicast+0x449/0x710 [15057.889839][ T7704] netlink_sendmsg+0x723/0xbe0 [15057.889839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15057.889839][ T7704] ___sys_sendmsg+0xee/0x170 [15057.889839][ T7704] __sys_sendmsg+0xcd/0x170 [15057.889839][ T7704] do_syscall_64+0xc6/0x1e0 [15057.889839][ T7704] [15057.892039][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15057.892039][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15057.892039][ T7704] ipv6_find_idev+0x102/0x170 [15057.892039][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15057.892039][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15057.892039][ T7704] netlink_rcv_skb+0x130/0x360 [15057.892039][ T7704] netlink_unicast+0x449/0x710 [15057.892039][ T7704] netlink_sendmsg+0x723/0xbe0 [15057.892039][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15057.892039][ T7704] ___sys_sendmsg+0xee/0x170 [15057.892039][ T7704] __sys_sendmsg+0xcd/0x170 [15057.892039][ T7704] do_syscall_64+0xc6/0x1e0 [15057.892039][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15057.892039][ T7704] [15057.893752][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15057.893752][ T7704] neigh_parms_alloc+0x1e5/0x510 [15057.893752][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15057.893752][ T7704] ipv6_find_idev+0x102/0x170 [15057.893752][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15057.893752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15057.893752][ T7704] netlink_rcv_skb+0x130/0x360 [15057.893752][ T7704] netlink_unicast+0x449/0x710 [15057.893752][ T7704] netlink_sendmsg+0x723/0xbe0 [15057.893752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15057.893752][ T7704] ___sys_sendmsg+0xee/0x170 [15057.893752][ T7704] __sys_sendmsg+0xcd/0x170 [15057.893752][ T7704] do_syscall_64+0xc6/0x1e0 [15057.893752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15057.893752][ T7704] [15068.132874][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15068.133855][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15068.133855][ T7704] netdev_get_by_index+0x5e/0x80 [15068.133855][ T7704] fib6_nh_init+0x3d8/0x15b0 [15068.133855][ T7704] ip6_route_info_create+0xf18/0x17d0 [15068.133855][ T7704] ip6_route_add+0x1c/0x140 [15068.133855][ T7704] addrconf_prefix_route+0x2a6/0x430 [15068.133855][ T7704] inet6_addr_add+0x4f8/0xa40 [15068.133855][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15068.133855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15068.133855][ T7704] netlink_rcv_skb+0x130/0x360 [15068.133855][ T7704] netlink_unicast+0x449/0x710 [15068.133855][ T7704] netlink_sendmsg+0x723/0xbe0 [15068.133855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15068.133855][ T7704] ___sys_sendmsg+0xee/0x170 [15068.133855][ T7704] __sys_sendmsg+0xcd/0x170 [15068.133855][ T7704] do_syscall_64+0xc6/0x1e0 [15068.133855][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15068.133855][ T7704] [15068.136079][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15068.136079][ T7704] netdev_get_by_index+0x5e/0x80 [15068.136079][ T7704] fib6_nh_init+0x3d8/0x15b0 [15068.136079][ T7704] ip6_route_info_create+0xf18/0x17d0 [15068.136079][ T7704] addrconf_f6i_alloc+0x315/0x560 [15068.136079][ T7704] ipv6_add_addr+0x411/0x2000 [15068.136079][ T7704] inet6_addr_add+0x30e/0xa40 [15068.136079][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15068.136079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15068.136079][ T7704] netlink_rcv_skb+0x130/0x360 [15068.136079][ T7704] netlink_unicast+0x449/0x710 [15068.136079][ T7704] netlink_sendmsg+0x723/0xbe0 [15068.136079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15068.136079][ T7704] ___sys_sendmsg+0xee/0x170 [15068.136079][ T7704] __sys_sendmsg+0xcd/0x170 [15068.136079][ T7704] do_syscall_64+0xc6/0x1e0 [15068.136079][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15068.136079][ T7704] [15068.138282][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15068.138282][ T7704] netdev_get_by_index+0x5e/0x80 [15068.138282][ T7704] fib6_nh_init+0x3d8/0x15b0 [15068.138282][ T7704] ip6_route_info_create+0xf18/0x17d0 [15068.138282][ T7704] ip6_route_add+0x1c/0x140 [15068.138282][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15068.138282][ T7704] addrconf_add_dev+0xe2/0x170 [15068.138282][ T7704] inet6_addr_add+0x12f/0xa40 [15068.138282][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15068.138282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15068.138282][ T7704] netlink_rcv_skb+0x130/0x360 [15068.138282][ T7704] netlink_unicast+0x449/0x710 [15068.138282][ T7704] netlink_sendmsg+0x723/0xbe0 [15068.138282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15068.138282][ T7704] ___sys_sendmsg+0xee/0x170 [15068.138282][ T7704] __sys_sendmsg+0xcd/0x170 [15068.138282][ T7704] do_syscall_64+0xc6/0x1e0 [15068.138282][ T7704] [15068.140457][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15068.140457][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15068.140457][ T7704] ipv6_find_idev+0x102/0x170 [15068.140457][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15068.140457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15068.140457][ T7704] netlink_rcv_skb+0x130/0x360 [15068.140457][ T7704] netlink_unicast+0x449/0x710 [15068.140457][ T7704] netlink_sendmsg+0x723/0xbe0 [15068.140457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15068.140457][ T7704] ___sys_sendmsg+0xee/0x170 [15068.140457][ T7704] __sys_sendmsg+0xcd/0x170 [15068.140457][ T7704] do_syscall_64+0xc6/0x1e0 [15068.140457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15068.140457][ T7704] [15068.142199][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15068.142199][ T7704] neigh_parms_alloc+0x1e5/0x510 [15068.142199][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15068.142199][ T7704] ipv6_find_idev+0x102/0x170 [15068.142199][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15068.142199][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15068.142199][ T7704] netlink_rcv_skb+0x130/0x360 [15068.142199][ T7704] netlink_unicast+0x449/0x710 [15068.142199][ T7704] netlink_sendmsg+0x723/0xbe0 [15068.142199][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15068.142199][ T7704] ___sys_sendmsg+0xee/0x170 [15068.142199][ T7704] __sys_sendmsg+0xcd/0x170 [15068.142199][ T7704] do_syscall_64+0xc6/0x1e0 [15068.142199][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15068.142199][ T7704] [15078.380815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15078.381361][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15078.381361][ T7704] netdev_get_by_index+0x5e/0x80 [15078.381361][ T7704] fib6_nh_init+0x3d8/0x15b0 [15078.381361][ T7704] ip6_route_info_create+0xf18/0x17d0 [15078.381361][ T7704] ip6_route_add+0x1c/0x140 [15078.381361][ T7704] addrconf_prefix_route+0x2a6/0x430 [15078.381361][ T7704] inet6_addr_add+0x4f8/0xa40 [15078.381361][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15078.381361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15078.381361][ T7704] netlink_rcv_skb+0x130/0x360 [15078.381361][ T7704] netlink_unicast+0x449/0x710 [15078.381361][ T7704] netlink_sendmsg+0x723/0xbe0 [15078.381361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15078.381361][ T7704] ___sys_sendmsg+0xee/0x170 [15078.381361][ T7704] __sys_sendmsg+0xcd/0x170 [15078.381361][ T7704] do_syscall_64+0xc6/0x1e0 [15078.381361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15078.381361][ T7704] [15078.383642][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15078.383642][ T7704] netdev_get_by_index+0x5e/0x80 [15078.383642][ T7704] fib6_nh_init+0x3d8/0x15b0 [15078.383642][ T7704] ip6_route_info_create+0xf18/0x17d0 [15078.383642][ T7704] addrconf_f6i_alloc+0x315/0x560 [15078.383642][ T7704] ipv6_add_addr+0x411/0x2000 [15078.383642][ T7704] inet6_addr_add+0x30e/0xa40 [15078.383642][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15078.383642][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15078.383642][ T7704] netlink_rcv_skb+0x130/0x360 [15078.383642][ T7704] netlink_unicast+0x449/0x710 [15078.383642][ T7704] netlink_sendmsg+0x723/0xbe0 [15078.383642][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15078.383642][ T7704] ___sys_sendmsg+0xee/0x170 [15078.383642][ T7704] __sys_sendmsg+0xcd/0x170 [15078.383642][ T7704] do_syscall_64+0xc6/0x1e0 [15078.383642][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15078.383642][ T7704] [15078.385885][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15078.385885][ T7704] netdev_get_by_index+0x5e/0x80 [15078.385885][ T7704] fib6_nh_init+0x3d8/0x15b0 [15078.385885][ T7704] ip6_route_info_create+0xf18/0x17d0 [15078.385885][ T7704] ip6_route_add+0x1c/0x140 [15078.385885][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15078.385885][ T7704] addrconf_add_dev+0xe2/0x170 [15078.385885][ T7704] inet6_addr_add+0x12f/0xa40 [15078.385885][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15078.385885][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15078.385885][ T7704] netlink_rcv_skb+0x130/0x360 [15078.385885][ T7704] netlink_unicast+0x449/0x710 [15078.385885][ T7704] netlink_sendmsg+0x723/0xbe0 [15078.385885][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15078.385885][ T7704] ___sys_sendmsg+0xee/0x170 [15078.385885][ T7704] __sys_sendmsg+0xcd/0x170 [15078.385885][ T7704] do_syscall_64+0xc6/0x1e0 [15078.385885][ T7704] [15078.388085][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15078.388085][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15078.388085][ T7704] ipv6_find_idev+0x102/0x170 [15078.388085][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15078.388085][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15078.388085][ T7704] netlink_rcv_skb+0x130/0x360 [15078.388085][ T7704] netlink_unicast+0x449/0x710 [15078.388085][ T7704] netlink_sendmsg+0x723/0xbe0 [15078.388085][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15078.388085][ T7704] ___sys_sendmsg+0xee/0x170 [15078.388085][ T7704] __sys_sendmsg+0xcd/0x170 [15078.388085][ T7704] do_syscall_64+0xc6/0x1e0 [15078.388085][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15078.388085][ T7704] [15078.389811][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15078.389811][ T7704] neigh_parms_alloc+0x1e5/0x510 [15078.389811][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15078.389811][ T7704] ipv6_find_idev+0x102/0x170 [15078.389811][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15078.389811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15078.389811][ T7704] netlink_rcv_skb+0x130/0x360 [15078.389811][ T7704] netlink_unicast+0x449/0x710 [15078.389811][ T7704] netlink_sendmsg+0x723/0xbe0 [15078.389811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15078.389811][ T7704] ___sys_sendmsg+0xee/0x170 [15078.389811][ T7704] __sys_sendmsg+0xcd/0x170 [15078.389811][ T7704] do_syscall_64+0xc6/0x1e0 [15078.389811][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15078.389811][ T7704] [15088.628762][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15088.629297][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15088.629297][ T7704] netdev_get_by_index+0x5e/0x80 [15088.629297][ T7704] fib6_nh_init+0x3d8/0x15b0 [15088.629297][ T7704] ip6_route_info_create+0xf18/0x17d0 [15088.629297][ T7704] ip6_route_add+0x1c/0x140 [15088.629297][ T7704] addrconf_prefix_route+0x2a6/0x430 [15088.629297][ T7704] inet6_addr_add+0x4f8/0xa40 [15088.629297][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15088.629297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15088.629297][ T7704] netlink_rcv_skb+0x130/0x360 [15088.629297][ T7704] netlink_unicast+0x449/0x710 [15088.629297][ T7704] netlink_sendmsg+0x723/0xbe0 [15088.629297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15088.629297][ T7704] ___sys_sendmsg+0xee/0x170 [15088.629297][ T7704] __sys_sendmsg+0xcd/0x170 [15088.629297][ T7704] do_syscall_64+0xc6/0x1e0 [15088.629297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15088.629297][ T7704] [15088.631832][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15088.631832][ T7704] netdev_get_by_index+0x5e/0x80 [15088.631832][ T7704] fib6_nh_init+0x3d8/0x15b0 [15088.631832][ T7704] ip6_route_info_create+0xf18/0x17d0 [15088.631832][ T7704] addrconf_f6i_alloc+0x315/0x560 [15088.631832][ T7704] ipv6_add_addr+0x411/0x2000 [15088.631832][ T7704] inet6_addr_add+0x30e/0xa40 [15088.631832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15088.631832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15088.631832][ T7704] netlink_rcv_skb+0x130/0x360 [15088.631832][ T7704] netlink_unicast+0x449/0x710 [15088.631832][ T7704] netlink_sendmsg+0x723/0xbe0 [15088.631832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15088.631832][ T7704] ___sys_sendmsg+0xee/0x170 [15088.631832][ T7704] __sys_sendmsg+0xcd/0x170 [15088.631832][ T7704] do_syscall_64+0xc6/0x1e0 [15088.631832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15088.631832][ T7704] [15088.634311][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15088.634311][ T7704] netdev_get_by_index+0x5e/0x80 [15088.634311][ T7704] fib6_nh_init+0x3d8/0x15b0 [15088.634311][ T7704] ip6_route_info_create+0xf18/0x17d0 [15088.634311][ T7704] ip6_route_add+0x1c/0x140 [15088.634311][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15088.634311][ T7704] addrconf_add_dev+0xe2/0x170 [15088.634311][ T7704] inet6_addr_add+0x12f/0xa40 [15088.634311][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15088.634311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15088.634311][ T7704] netlink_rcv_skb+0x130/0x360 [15088.634311][ T7704] netlink_unicast+0x449/0x710 [15088.634311][ T7704] netlink_sendmsg+0x723/0xbe0 [15088.634311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15088.634311][ T7704] ___sys_sendmsg+0xee/0x170 [15088.634311][ T7704] __sys_sendmsg+0xcd/0x170 [15088.634311][ T7704] do_syscall_64+0xc6/0x1e0 [15088.634311][ T7704] [15088.636729][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15088.636729][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15088.636729][ T7704] ipv6_find_idev+0x102/0x170 [15088.636729][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15088.636729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15088.636729][ T7704] netlink_rcv_skb+0x130/0x360 [15088.636729][ T7704] netlink_unicast+0x449/0x710 [15088.636729][ T7704] netlink_sendmsg+0x723/0xbe0 [15088.636729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15088.636729][ T7704] ___sys_sendmsg+0xee/0x170 [15088.636729][ T7704] __sys_sendmsg+0xcd/0x170 [15088.636729][ T7704] do_syscall_64+0xc6/0x1e0 [15088.636729][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15088.636729][ T7704] [15088.638627][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15088.638627][ T7704] neigh_parms_alloc+0x1e5/0x510 [15088.638627][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15088.638627][ T7704] ipv6_find_idev+0x102/0x170 [15088.638627][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15088.638627][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15088.638627][ T7704] netlink_rcv_skb+0x130/0x360 [15088.638627][ T7704] netlink_unicast+0x449/0x710 [15088.638627][ T7704] netlink_sendmsg+0x723/0xbe0 [15088.638627][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15088.638627][ T7704] ___sys_sendmsg+0xee/0x170 [15088.638627][ T7704] __sys_sendmsg+0xcd/0x170 [15088.638627][ T7704] do_syscall_64+0xc6/0x1e0 [15088.638627][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15088.638627][ T7704] [15098.876842][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15098.877404][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15098.877404][ T7704] netdev_get_by_index+0x5e/0x80 [15098.877404][ T7704] fib6_nh_init+0x3d8/0x15b0 [15098.877404][ T7704] ip6_route_info_create+0xf18/0x17d0 [15098.877404][ T7704] ip6_route_add+0x1c/0x140 [15098.877404][ T7704] addrconf_prefix_route+0x2a6/0x430 [15098.877404][ T7704] inet6_addr_add+0x4f8/0xa40 [15098.877404][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15098.877404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15098.877404][ T7704] netlink_rcv_skb+0x130/0x360 [15098.877404][ T7704] netlink_unicast+0x449/0x710 [15098.877404][ T7704] netlink_sendmsg+0x723/0xbe0 [15098.877404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15098.877404][ T7704] ___sys_sendmsg+0xee/0x170 [15098.877404][ T7704] __sys_sendmsg+0xcd/0x170 [15098.877404][ T7704] do_syscall_64+0xc6/0x1e0 [15098.877404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15098.877404][ T7704] [15098.879921][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15098.879921][ T7704] netdev_get_by_index+0x5e/0x80 [15098.879921][ T7704] fib6_nh_init+0x3d8/0x15b0 [15098.879921][ T7704] ip6_route_info_create+0xf18/0x17d0 [15098.879921][ T7704] addrconf_f6i_alloc+0x315/0x560 [15098.879921][ T7704] ipv6_add_addr+0x411/0x2000 [15098.879921][ T7704] inet6_addr_add+0x30e/0xa40 [15098.879921][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15098.879921][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15098.879921][ T7704] netlink_rcv_skb+0x130/0x360 [15098.879921][ T7704] netlink_unicast+0x449/0x710 [15098.879921][ T7704] netlink_sendmsg+0x723/0xbe0 [15098.879921][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15098.879921][ T7704] ___sys_sendmsg+0xee/0x170 [15098.879921][ T7704] __sys_sendmsg+0xcd/0x170 [15098.879921][ T7704] do_syscall_64+0xc6/0x1e0 [15098.879921][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15098.879921][ T7704] [15098.882409][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15098.882409][ T7704] netdev_get_by_index+0x5e/0x80 [15098.882409][ T7704] fib6_nh_init+0x3d8/0x15b0 [15098.882409][ T7704] ip6_route_info_create+0xf18/0x17d0 [15098.882409][ T7704] ip6_route_add+0x1c/0x140 [15098.882409][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15098.882409][ T7704] addrconf_add_dev+0xe2/0x170 [15098.882409][ T7704] inet6_addr_add+0x12f/0xa40 [15098.882409][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15098.882409][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15098.882409][ T7704] netlink_rcv_skb+0x130/0x360 [15098.882409][ T7704] netlink_unicast+0x449/0x710 [15098.882409][ T7704] netlink_sendmsg+0x723/0xbe0 [15098.882409][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15098.882409][ T7704] ___sys_sendmsg+0xee/0x170 [15098.882409][ T7704] __sys_sendmsg+0xcd/0x170 [15098.882409][ T7704] do_syscall_64+0xc6/0x1e0 [15098.882409][ T7704] [15098.884821][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15098.884821][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15098.884821][ T7704] ipv6_find_idev+0x102/0x170 [15098.884821][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15098.884821][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15098.884821][ T7704] netlink_rcv_skb+0x130/0x360 [15098.884821][ T7704] netlink_unicast+0x449/0x710 [15098.884821][ T7704] netlink_sendmsg+0x723/0xbe0 [15098.884821][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15098.884821][ T7704] ___sys_sendmsg+0xee/0x170 [15098.884821][ T7704] __sys_sendmsg+0xcd/0x170 [15098.884821][ T7704] do_syscall_64+0xc6/0x1e0 [15098.884821][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15098.884821][ T7704] [15098.886731][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15098.886731][ T7704] neigh_parms_alloc+0x1e5/0x510 [15098.886731][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15098.886731][ T7704] ipv6_find_idev+0x102/0x170 [15098.886731][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15098.886731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15098.886731][ T7704] netlink_rcv_skb+0x130/0x360 [15098.886731][ T7704] netlink_unicast+0x449/0x710 [15098.886731][ T7704] netlink_sendmsg+0x723/0xbe0 [15098.886731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15098.886731][ T7704] ___sys_sendmsg+0xee/0x170 [15098.886731][ T7704] __sys_sendmsg+0xcd/0x170 [15098.886731][ T7704] do_syscall_64+0xc6/0x1e0 [15098.886731][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15098.886731][ T7704] [15109.124811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15109.125325][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15109.125325][ T7704] netdev_get_by_index+0x5e/0x80 [15109.125325][ T7704] fib6_nh_init+0x3d8/0x15b0 [15109.125325][ T7704] ip6_route_info_create+0xf18/0x17d0 [15109.125325][ T7704] ip6_route_add+0x1c/0x140 [15109.125325][ T7704] addrconf_prefix_route+0x2a6/0x430 [15109.125325][ T7704] inet6_addr_add+0x4f8/0xa40 [15109.125325][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15109.125325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15109.125325][ T7704] netlink_rcv_skb+0x130/0x360 [15109.125325][ T7704] netlink_unicast+0x449/0x710 [15109.125325][ T7704] netlink_sendmsg+0x723/0xbe0 [15109.125325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15109.125325][ T7704] ___sys_sendmsg+0xee/0x170 [15109.125325][ T7704] __sys_sendmsg+0xcd/0x170 [15109.125325][ T7704] do_syscall_64+0xc6/0x1e0 [15109.125325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15109.125325][ T7704] [15109.128094][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15109.128094][ T7704] netdev_get_by_index+0x5e/0x80 [15109.128094][ T7704] fib6_nh_init+0x3d8/0x15b0 [15109.128094][ T7704] ip6_route_info_create+0xf18/0x17d0 [15109.128094][ T7704] addrconf_f6i_alloc+0x315/0x560 [15109.128094][ T7704] ipv6_add_addr+0x411/0x2000 [15109.128094][ T7704] inet6_addr_add+0x30e/0xa40 [15109.128094][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15109.128094][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15109.128094][ T7704] netlink_rcv_skb+0x130/0x360 [15109.128094][ T7704] netlink_unicast+0x449/0x710 [15109.128094][ T7704] netlink_sendmsg+0x723/0xbe0 [15109.128094][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15109.128094][ T7704] ___sys_sendmsg+0xee/0x170 [15109.128094][ T7704] __sys_sendmsg+0xcd/0x170 [15109.128094][ T7704] do_syscall_64+0xc6/0x1e0 [15109.128094][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15109.128094][ T7704] [15109.130247][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15109.130247][ T7704] netdev_get_by_index+0x5e/0x80 [15109.130247][ T7704] fib6_nh_init+0x3d8/0x15b0 [15109.130247][ T7704] ip6_route_info_create+0xf18/0x17d0 [15109.130247][ T7704] ip6_route_add+0x1c/0x140 [15109.130247][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15109.130247][ T7704] addrconf_add_dev+0xe2/0x170 [15109.130247][ T7704] inet6_addr_add+0x12f/0xa40 [15109.130247][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15109.130247][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15109.130247][ T7704] netlink_rcv_skb+0x130/0x360 [15109.130247][ T7704] netlink_unicast+0x449/0x710 [15109.130247][ T7704] netlink_sendmsg+0x723/0xbe0 [15109.130247][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15109.130247][ T7704] ___sys_sendmsg+0xee/0x170 [15109.130247][ T7704] __sys_sendmsg+0xcd/0x170 [15109.130247][ T7704] do_syscall_64+0xc6/0x1e0 [15109.130247][ T7704] [15109.132459][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15109.132459][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15109.132459][ T7704] ipv6_find_idev+0x102/0x170 [15109.132459][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15109.132459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15109.132459][ T7704] netlink_rcv_skb+0x130/0x360 [15109.132459][ T7704] netlink_unicast+0x449/0x710 [15109.132459][ T7704] netlink_sendmsg+0x723/0xbe0 [15109.132459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15109.132459][ T7704] ___sys_sendmsg+0xee/0x170 [15109.132459][ T7704] __sys_sendmsg+0xcd/0x170 [15109.132459][ T7704] do_syscall_64+0xc6/0x1e0 [15109.132459][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15109.132459][ T7704] [15109.134198][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15109.134198][ T7704] neigh_parms_alloc+0x1e5/0x510 [15109.134198][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15109.134198][ T7704] ipv6_find_idev+0x102/0x170 [15109.134198][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15109.134198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15109.134198][ T7704] netlink_rcv_skb+0x130/0x360 [15109.134198][ T7704] netlink_unicast+0x449/0x710 [15109.134198][ T7704] netlink_sendmsg+0x723/0xbe0 [15109.134198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15109.134198][ T7704] ___sys_sendmsg+0xee/0x170 [15109.134198][ T7704] __sys_sendmsg+0xcd/0x170 [15109.134198][ T7704] do_syscall_64+0xc6/0x1e0 [15109.134198][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15109.134198][ T7704] [15119.372890][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15119.373375][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15119.373375][ T7704] netdev_get_by_index+0x5e/0x80 [15119.373375][ T7704] fib6_nh_init+0x3d8/0x15b0 [15119.373375][ T7704] ip6_route_info_create+0xf18/0x17d0 [15119.373375][ T7704] ip6_route_add+0x1c/0x140 [15119.373375][ T7704] addrconf_prefix_route+0x2a6/0x430 [15119.373375][ T7704] inet6_addr_add+0x4f8/0xa40 [15119.373375][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15119.373375][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15119.373375][ T7704] netlink_rcv_skb+0x130/0x360 [15119.373375][ T7704] netlink_unicast+0x449/0x710 [15119.373375][ T7704] netlink_sendmsg+0x723/0xbe0 [15119.373375][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15119.373375][ T7704] ___sys_sendmsg+0xee/0x170 [15119.373375][ T7704] __sys_sendmsg+0xcd/0x170 [15119.373375][ T7704] do_syscall_64+0xc6/0x1e0 [15119.373375][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15119.373375][ T7704] [15119.375610][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15119.375610][ T7704] netdev_get_by_index+0x5e/0x80 [15119.375610][ T7704] fib6_nh_init+0x3d8/0x15b0 [15119.375610][ T7704] ip6_route_info_create+0xf18/0x17d0 [15119.375610][ T7704] addrconf_f6i_alloc+0x315/0x560 [15119.375610][ T7704] ipv6_add_addr+0x411/0x2000 [15119.375610][ T7704] inet6_addr_add+0x30e/0xa40 [15119.375610][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15119.375610][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15119.375610][ T7704] netlink_rcv_skb+0x130/0x360 [15119.375610][ T7704] netlink_unicast+0x449/0x710 [15119.375610][ T7704] netlink_sendmsg+0x723/0xbe0 [15119.375610][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15119.375610][ T7704] ___sys_sendmsg+0xee/0x170 [15119.375610][ T7704] __sys_sendmsg+0xcd/0x170 [15119.375610][ T7704] do_syscall_64+0xc6/0x1e0 [15119.375610][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15119.375610][ T7704] [15119.377810][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15119.377810][ T7704] netdev_get_by_index+0x5e/0x80 [15119.377810][ T7704] fib6_nh_init+0x3d8/0x15b0 [15119.377810][ T7704] ip6_route_info_create+0xf18/0x17d0 [15119.377810][ T7704] ip6_route_add+0x1c/0x140 [15119.377810][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15119.377810][ T7704] addrconf_add_dev+0xe2/0x170 [15119.377810][ T7704] inet6_addr_add+0x12f/0xa40 [15119.377810][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15119.377810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15119.377810][ T7704] netlink_rcv_skb+0x130/0x360 [15119.377810][ T7704] netlink_unicast+0x449/0x710 [15119.377810][ T7704] netlink_sendmsg+0x723/0xbe0 [15119.377810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15119.377810][ T7704] ___sys_sendmsg+0xee/0x170 [15119.377810][ T7704] __sys_sendmsg+0xcd/0x170 [15119.377810][ T7704] do_syscall_64+0xc6/0x1e0 [15119.377810][ T7704] [15119.379974][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15119.379974][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15119.379974][ T7704] ipv6_find_idev+0x102/0x170 [15119.379974][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15119.379974][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15119.379974][ T7704] netlink_rcv_skb+0x130/0x360 [15119.379974][ T7704] netlink_unicast+0x449/0x710 [15119.379974][ T7704] netlink_sendmsg+0x723/0xbe0 [15119.379974][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15119.379974][ T7704] ___sys_sendmsg+0xee/0x170 [15119.379974][ T7704] __sys_sendmsg+0xcd/0x170 [15119.379974][ T7704] do_syscall_64+0xc6/0x1e0 [15119.379974][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15119.379974][ T7704] [15119.381681][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15119.381681][ T7704] neigh_parms_alloc+0x1e5/0x510 [15119.381681][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15119.381681][ T7704] ipv6_find_idev+0x102/0x170 [15119.381681][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15119.381681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15119.381681][ T7704] netlink_rcv_skb+0x130/0x360 [15119.381681][ T7704] netlink_unicast+0x449/0x710 [15119.381681][ T7704] netlink_sendmsg+0x723/0xbe0 [15119.381681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15119.381681][ T7704] ___sys_sendmsg+0xee/0x170 [15119.381681][ T7704] __sys_sendmsg+0xcd/0x170 [15119.381681][ T7704] do_syscall_64+0xc6/0x1e0 [15119.381681][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15119.381681][ T7704] [15129.548785][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15129.549337][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15129.549337][ T7704] netdev_get_by_index+0x5e/0x80 [15129.549337][ T7704] fib6_nh_init+0x3d8/0x15b0 [15129.549337][ T7704] ip6_route_info_create+0xf18/0x17d0 [15129.549337][ T7704] ip6_route_add+0x1c/0x140 [15129.549337][ T7704] addrconf_prefix_route+0x2a6/0x430 [15129.549337][ T7704] inet6_addr_add+0x4f8/0xa40 [15129.549337][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15129.549337][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15129.549337][ T7704] netlink_rcv_skb+0x130/0x360 [15129.549337][ T7704] netlink_unicast+0x449/0x710 [15129.549337][ T7704] netlink_sendmsg+0x723/0xbe0 [15129.549337][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15129.549337][ T7704] ___sys_sendmsg+0xee/0x170 [15129.549337][ T7704] __sys_sendmsg+0xcd/0x170 [15129.549337][ T7704] do_syscall_64+0xc6/0x1e0 [15129.549337][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15129.549337][ T7704] [15129.551876][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15129.551876][ T7704] netdev_get_by_index+0x5e/0x80 [15129.551876][ T7704] fib6_nh_init+0x3d8/0x15b0 [15129.551876][ T7704] ip6_route_info_create+0xf18/0x17d0 [15129.551876][ T7704] addrconf_f6i_alloc+0x315/0x560 [15129.551876][ T7704] ipv6_add_addr+0x411/0x2000 [15129.551876][ T7704] inet6_addr_add+0x30e/0xa40 [15129.551876][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15129.551876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15129.551876][ T7704] netlink_rcv_skb+0x130/0x360 [15129.551876][ T7704] netlink_unicast+0x449/0x710 [15129.551876][ T7704] netlink_sendmsg+0x723/0xbe0 [15129.551876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15129.551876][ T7704] ___sys_sendmsg+0xee/0x170 [15129.551876][ T7704] __sys_sendmsg+0xcd/0x170 [15129.551876][ T7704] do_syscall_64+0xc6/0x1e0 [15129.551876][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15129.551876][ T7704] [15129.554285][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15129.554285][ T7704] netdev_get_by_index+0x5e/0x80 [15129.554285][ T7704] fib6_nh_init+0x3d8/0x15b0 [15129.554285][ T7704] ip6_route_info_create+0xf18/0x17d0 [15129.554285][ T7704] ip6_route_add+0x1c/0x140 [15129.554285][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15129.554285][ T7704] addrconf_add_dev+0xe2/0x170 [15129.554285][ T7704] inet6_addr_add+0x12f/0xa40 [15129.554285][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15129.554285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15129.554285][ T7704] netlink_rcv_skb+0x130/0x360 [15129.554285][ T7704] netlink_unicast+0x449/0x710 [15129.554285][ T7704] netlink_sendmsg+0x723/0xbe0 [15129.554285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15129.554285][ T7704] ___sys_sendmsg+0xee/0x170 [15129.554285][ T7704] __sys_sendmsg+0xcd/0x170 [15129.554285][ T7704] do_syscall_64+0xc6/0x1e0 [15129.554285][ T7704] [15129.556583][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15129.556583][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15129.556583][ T7704] ipv6_find_idev+0x102/0x170 [15129.556583][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15129.556583][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15129.556583][ T7704] netlink_rcv_skb+0x130/0x360 [15129.556583][ T7704] netlink_unicast+0x449/0x710 [15129.556583][ T7704] netlink_sendmsg+0x723/0xbe0 [15129.556583][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15129.556583][ T7704] ___sys_sendmsg+0xee/0x170 [15129.556583][ T7704] __sys_sendmsg+0xcd/0x170 [15129.556583][ T7704] do_syscall_64+0xc6/0x1e0 [15129.556583][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15129.556583][ T7704] [15129.558385][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15129.558385][ T7704] neigh_parms_alloc+0x1e5/0x510 [15129.558385][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15129.558385][ T7704] ipv6_find_idev+0x102/0x170 [15129.558385][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15129.558385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15129.558385][ T7704] netlink_rcv_skb+0x130/0x360 [15129.558385][ T7704] netlink_unicast+0x449/0x710 [15129.558385][ T7704] netlink_sendmsg+0x723/0xbe0 [15129.558385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15129.558385][ T7704] ___sys_sendmsg+0xee/0x170 [15129.558385][ T7704] __sys_sendmsg+0xcd/0x170 [15129.558385][ T7704] do_syscall_64+0xc6/0x1e0 [15129.558385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15129.558385][ T7704] [15139.764856][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15139.765405][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15139.765405][ T7704] netdev_get_by_index+0x5e/0x80 [15139.765405][ T7704] fib6_nh_init+0x3d8/0x15b0 [15139.765405][ T7704] ip6_route_info_create+0xf18/0x17d0 [15139.765405][ T7704] ip6_route_add+0x1c/0x140 [15139.765405][ T7704] addrconf_prefix_route+0x2a6/0x430 [15139.765405][ T7704] inet6_addr_add+0x4f8/0xa40 [15139.765405][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15139.765405][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15139.765405][ T7704] netlink_rcv_skb+0x130/0x360 [15139.765405][ T7704] netlink_unicast+0x449/0x710 [15139.765405][ T7704] netlink_sendmsg+0x723/0xbe0 [15139.765405][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15139.765405][ T7704] ___sys_sendmsg+0xee/0x170 [15139.765405][ T7704] __sys_sendmsg+0xcd/0x170 [15139.765405][ T7704] do_syscall_64+0xc6/0x1e0 [15139.765405][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15139.765405][ T7704] [15139.767918][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15139.767918][ T7704] netdev_get_by_index+0x5e/0x80 [15139.767918][ T7704] fib6_nh_init+0x3d8/0x15b0 [15139.767918][ T7704] ip6_route_info_create+0xf18/0x17d0 [15139.767918][ T7704] addrconf_f6i_alloc+0x315/0x560 [15139.767918][ T7704] ipv6_add_addr+0x411/0x2000 [15139.767918][ T7704] inet6_addr_add+0x30e/0xa40 [15139.767918][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15139.767918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15139.767918][ T7704] netlink_rcv_skb+0x130/0x360 [15139.767918][ T7704] netlink_unicast+0x449/0x710 [15139.767918][ T7704] netlink_sendmsg+0x723/0xbe0 [15139.767918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15139.767918][ T7704] ___sys_sendmsg+0xee/0x170 [15139.767918][ T7704] __sys_sendmsg+0xcd/0x170 [15139.767918][ T7704] do_syscall_64+0xc6/0x1e0 [15139.767918][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15139.767918][ T7704] [15139.770393][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15139.770393][ T7704] netdev_get_by_index+0x5e/0x80 [15139.770393][ T7704] fib6_nh_init+0x3d8/0x15b0 [15139.770393][ T7704] ip6_route_info_create+0xf18/0x17d0 [15139.770393][ T7704] ip6_route_add+0x1c/0x140 [15139.770393][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15139.770393][ T7704] addrconf_add_dev+0xe2/0x170 [15139.770393][ T7704] inet6_addr_add+0x12f/0xa40 [15139.770393][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15139.770393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15139.770393][ T7704] netlink_rcv_skb+0x130/0x360 [15139.770393][ T7704] netlink_unicast+0x449/0x710 [15139.770393][ T7704] netlink_sendmsg+0x723/0xbe0 [15139.770393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15139.770393][ T7704] ___sys_sendmsg+0xee/0x170 [15139.770393][ T7704] __sys_sendmsg+0xcd/0x170 [15139.770393][ T7704] do_syscall_64+0xc6/0x1e0 [15139.770393][ T7704] [15139.772819][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15139.772819][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15139.772819][ T7704] ipv6_find_idev+0x102/0x170 [15139.772819][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15139.772819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15139.772819][ T7704] netlink_rcv_skb+0x130/0x360 [15139.772819][ T7704] netlink_unicast+0x449/0x710 [15139.772819][ T7704] netlink_sendmsg+0x723/0xbe0 [15139.772819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15139.772819][ T7704] ___sys_sendmsg+0xee/0x170 [15139.772819][ T7704] __sys_sendmsg+0xcd/0x170 [15139.772819][ T7704] do_syscall_64+0xc6/0x1e0 [15139.772819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15139.772819][ T7704] [15139.774721][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15139.774721][ T7704] neigh_parms_alloc+0x1e5/0x510 [15139.774721][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15139.774721][ T7704] ipv6_find_idev+0x102/0x170 [15139.774721][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15139.774721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15139.774721][ T7704] netlink_rcv_skb+0x130/0x360 [15139.774721][ T7704] netlink_unicast+0x449/0x710 [15139.774721][ T7704] netlink_sendmsg+0x723/0xbe0 [15139.774721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15139.774721][ T7704] ___sys_sendmsg+0xee/0x170 [15139.774721][ T7704] __sys_sendmsg+0xcd/0x170 [15139.774721][ T7704] do_syscall_64+0xc6/0x1e0 [15139.774721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15139.774721][ T7704] [15150.012892][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15150.013461][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15150.013461][ T7704] netdev_get_by_index+0x5e/0x80 [15150.013461][ T7704] fib6_nh_init+0x3d8/0x15b0 [15150.013461][ T7704] ip6_route_info_create+0xf18/0x17d0 [15150.013461][ T7704] ip6_route_add+0x1c/0x140 [15150.013461][ T7704] addrconf_prefix_route+0x2a6/0x430 [15150.013461][ T7704] inet6_addr_add+0x4f8/0xa40 [15150.013461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15150.013461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15150.013461][ T7704] netlink_rcv_skb+0x130/0x360 [15150.013461][ T7704] netlink_unicast+0x449/0x710 [15150.013461][ T7704] netlink_sendmsg+0x723/0xbe0 [15150.013461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15150.013461][ T7704] ___sys_sendmsg+0xee/0x170 [15150.013461][ T7704] __sys_sendmsg+0xcd/0x170 [15150.013461][ T7704] do_syscall_64+0xc6/0x1e0 [15150.013461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15150.013461][ T7704] [15150.015942][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15150.015942][ T7704] netdev_get_by_index+0x5e/0x80 [15150.015942][ T7704] fib6_nh_init+0x3d8/0x15b0 [15150.015942][ T7704] ip6_route_info_create+0xf18/0x17d0 [15150.015942][ T7704] addrconf_f6i_alloc+0x315/0x560 [15150.015942][ T7704] ipv6_add_addr+0x411/0x2000 [15150.015942][ T7704] inet6_addr_add+0x30e/0xa40 [15150.015942][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15150.015942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15150.015942][ T7704] netlink_rcv_skb+0x130/0x360 [15150.015942][ T7704] netlink_unicast+0x449/0x710 [15150.015942][ T7704] netlink_sendmsg+0x723/0xbe0 [15150.015942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15150.015942][ T7704] ___sys_sendmsg+0xee/0x170 [15150.015942][ T7704] __sys_sendmsg+0xcd/0x170 [15150.015942][ T7704] do_syscall_64+0xc6/0x1e0 [15150.015942][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15150.015942][ T7704] [15150.018394][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15150.018394][ T7704] netdev_get_by_index+0x5e/0x80 [15150.018394][ T7704] fib6_nh_init+0x3d8/0x15b0 [15150.018394][ T7704] ip6_route_info_create+0xf18/0x17d0 [15150.018394][ T7704] ip6_route_add+0x1c/0x140 [15150.018394][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15150.018394][ T7704] addrconf_add_dev+0xe2/0x170 [15150.018394][ T7704] inet6_addr_add+0x12f/0xa40 [15150.018394][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15150.018394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15150.018394][ T7704] netlink_rcv_skb+0x130/0x360 [15150.018394][ T7704] netlink_unicast+0x449/0x710 [15150.018394][ T7704] netlink_sendmsg+0x723/0xbe0 [15150.018394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15150.018394][ T7704] ___sys_sendmsg+0xee/0x170 [15150.018394][ T7704] __sys_sendmsg+0xcd/0x170 [15150.018394][ T7704] do_syscall_64+0xc6/0x1e0 [15150.018394][ T7704] [15150.020838][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15150.020838][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15150.020838][ T7704] ipv6_find_idev+0x102/0x170 [15150.020838][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15150.020838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15150.020838][ T7704] netlink_rcv_skb+0x130/0x360 [15150.020838][ T7704] netlink_unicast+0x449/0x710 [15150.020838][ T7704] netlink_sendmsg+0x723/0xbe0 [15150.020838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15150.020838][ T7704] ___sys_sendmsg+0xee/0x170 [15150.020838][ T7704] __sys_sendmsg+0xcd/0x170 [15150.020838][ T7704] do_syscall_64+0xc6/0x1e0 [15150.020838][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15150.020838][ T7704] [15150.022726][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15150.022726][ T7704] neigh_parms_alloc+0x1e5/0x510 [15150.022726][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15150.022726][ T7704] ipv6_find_idev+0x102/0x170 [15150.022726][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15150.022726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15150.022726][ T7704] netlink_rcv_skb+0x130/0x360 [15150.022726][ T7704] netlink_unicast+0x449/0x710 [15150.022726][ T7704] netlink_sendmsg+0x723/0xbe0 [15150.022726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15150.022726][ T7704] ___sys_sendmsg+0xee/0x170 [15150.022726][ T7704] __sys_sendmsg+0xcd/0x170 [15150.022726][ T7704] do_syscall_64+0xc6/0x1e0 [15150.022726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15150.022726][ T7704] [15160.260770][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15160.261305][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15160.261305][ T7704] netdev_get_by_index+0x5e/0x80 [15160.261305][ T7704] fib6_nh_init+0x3d8/0x15b0 [15160.261305][ T7704] ip6_route_info_create+0xf18/0x17d0 [15160.261305][ T7704] ip6_route_add+0x1c/0x140 [15160.261305][ T7704] addrconf_prefix_route+0x2a6/0x430 [15160.261305][ T7704] inet6_addr_add+0x4f8/0xa40 [15160.261305][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15160.261305][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15160.261305][ T7704] netlink_rcv_skb+0x130/0x360 [15160.261305][ T7704] netlink_unicast+0x449/0x710 [15160.261305][ T7704] netlink_sendmsg+0x723/0xbe0 [15160.261305][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15160.261305][ T7704] ___sys_sendmsg+0xee/0x170 [15160.261305][ T7704] __sys_sendmsg+0xcd/0x170 [15160.261305][ T7704] do_syscall_64+0xc6/0x1e0 [15160.261305][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15160.261305][ T7704] [15160.263811][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15160.263811][ T7704] netdev_get_by_index+0x5e/0x80 [15160.263811][ T7704] fib6_nh_init+0x3d8/0x15b0 [15160.263811][ T7704] ip6_route_info_create+0xf18/0x17d0 [15160.263811][ T7704] addrconf_f6i_alloc+0x315/0x560 [15160.263811][ T7704] ipv6_add_addr+0x411/0x2000 [15160.263811][ T7704] inet6_addr_add+0x30e/0xa40 [15160.263811][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15160.263811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15160.263811][ T7704] netlink_rcv_skb+0x130/0x360 [15160.263811][ T7704] netlink_unicast+0x449/0x710 [15160.263811][ T7704] netlink_sendmsg+0x723/0xbe0 [15160.263811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15160.263811][ T7704] ___sys_sendmsg+0xee/0x170 [15160.263811][ T7704] __sys_sendmsg+0xcd/0x170 [15160.263811][ T7704] do_syscall_64+0xc6/0x1e0 [15160.263811][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15160.263811][ T7704] [15160.266345][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15160.266345][ T7704] netdev_get_by_index+0x5e/0x80 [15160.266345][ T7704] fib6_nh_init+0x3d8/0x15b0 [15160.266345][ T7704] ip6_route_info_create+0xf18/0x17d0 [15160.266345][ T7704] ip6_route_add+0x1c/0x140 [15160.266345][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15160.266345][ T7704] addrconf_add_dev+0xe2/0x170 [15160.266345][ T7704] inet6_addr_add+0x12f/0xa40 [15160.266345][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15160.266345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15160.266345][ T7704] netlink_rcv_skb+0x130/0x360 [15160.266345][ T7704] netlink_unicast+0x449/0x710 [15160.266345][ T7704] netlink_sendmsg+0x723/0xbe0 [15160.266345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15160.266345][ T7704] ___sys_sendmsg+0xee/0x170 [15160.266345][ T7704] __sys_sendmsg+0xcd/0x170 [15160.266345][ T7704] do_syscall_64+0xc6/0x1e0 [15160.266345][ T7704] [15160.269282][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15160.269282][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15160.269282][ T7704] ipv6_find_idev+0x102/0x170 [15160.269282][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15160.269282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15160.269282][ T7704] netlink_rcv_skb+0x130/0x360 [15160.269282][ T7704] netlink_unicast+0x449/0x710 [15160.269282][ T7704] netlink_sendmsg+0x723/0xbe0 [15160.269282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15160.269282][ T7704] ___sys_sendmsg+0xee/0x170 [15160.269282][ T7704] __sys_sendmsg+0xcd/0x170 [15160.269282][ T7704] do_syscall_64+0xc6/0x1e0 [15160.269282][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15160.269282][ T7704] [15160.271186][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15160.271186][ T7704] neigh_parms_alloc+0x1e5/0x510 [15160.271186][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15160.271186][ T7704] ipv6_find_idev+0x102/0x170 [15160.271186][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15160.271186][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15160.271186][ T7704] netlink_rcv_skb+0x130/0x360 [15160.271186][ T7704] netlink_unicast+0x449/0x710 [15160.271186][ T7704] netlink_sendmsg+0x723/0xbe0 [15160.271186][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15160.271186][ T7704] ___sys_sendmsg+0xee/0x170 [15160.271186][ T7704] __sys_sendmsg+0xcd/0x170 [15160.271186][ T7704] do_syscall_64+0xc6/0x1e0 [15160.271186][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15160.271186][ T7704] [15170.332888][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15170.333454][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15170.333454][ T7704] netdev_get_by_index+0x5e/0x80 [15170.333454][ T7704] fib6_nh_init+0x3d8/0x15b0 [15170.333454][ T7704] ip6_route_info_create+0xf18/0x17d0 [15170.333454][ T7704] ip6_route_add+0x1c/0x140 [15170.333454][ T7704] addrconf_prefix_route+0x2a6/0x430 [15170.333454][ T7704] inet6_addr_add+0x4f8/0xa40 [15170.333454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15170.333454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15170.333454][ T7704] netlink_rcv_skb+0x130/0x360 [15170.333454][ T7704] netlink_unicast+0x449/0x710 [15170.333454][ T7704] netlink_sendmsg+0x723/0xbe0 [15170.333454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15170.333454][ T7704] ___sys_sendmsg+0xee/0x170 [15170.333454][ T7704] __sys_sendmsg+0xcd/0x170 [15170.333454][ T7704] do_syscall_64+0xc6/0x1e0 [15170.333454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15170.333454][ T7704] [15170.335953][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15170.335953][ T7704] netdev_get_by_index+0x5e/0x80 [15170.335953][ T7704] fib6_nh_init+0x3d8/0x15b0 [15170.335953][ T7704] ip6_route_info_create+0xf18/0x17d0 [15170.335953][ T7704] addrconf_f6i_alloc+0x315/0x560 [15170.335953][ T7704] ipv6_add_addr+0x411/0x2000 [15170.335953][ T7704] inet6_addr_add+0x30e/0xa40 [15170.335953][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15170.335953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15170.335953][ T7704] netlink_rcv_skb+0x130/0x360 [15170.335953][ T7704] netlink_unicast+0x449/0x710 [15170.335953][ T7704] netlink_sendmsg+0x723/0xbe0 [15170.335953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15170.335953][ T7704] ___sys_sendmsg+0xee/0x170 [15170.335953][ T7704] __sys_sendmsg+0xcd/0x170 [15170.335953][ T7704] do_syscall_64+0xc6/0x1e0 [15170.335953][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15170.335953][ T7704] [15170.338417][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15170.338417][ T7704] netdev_get_by_index+0x5e/0x80 [15170.338417][ T7704] fib6_nh_init+0x3d8/0x15b0 [15170.338417][ T7704] ip6_route_info_create+0xf18/0x17d0 [15170.338417][ T7704] ip6_route_add+0x1c/0x140 [15170.338417][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15170.338417][ T7704] addrconf_add_dev+0xe2/0x170 [15170.338417][ T7704] inet6_addr_add+0x12f/0xa40 [15170.338417][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15170.338417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15170.338417][ T7704] netlink_rcv_skb+0x130/0x360 [15170.338417][ T7704] netlink_unicast+0x449/0x710 [15170.338417][ T7704] netlink_sendmsg+0x723/0xbe0 [15170.338417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15170.338417][ T7704] ___sys_sendmsg+0xee/0x170 [15170.338417][ T7704] __sys_sendmsg+0xcd/0x170 [15170.338417][ T7704] do_syscall_64+0xc6/0x1e0 [15170.338417][ T7704] [15170.340830][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15170.340830][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15170.340830][ T7704] ipv6_find_idev+0x102/0x170 [15170.340830][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15170.340830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15170.340830][ T7704] netlink_rcv_skb+0x130/0x360 [15170.340830][ T7704] netlink_unicast+0x449/0x710 [15170.340830][ T7704] netlink_sendmsg+0x723/0xbe0 [15170.340830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15170.340830][ T7704] ___sys_sendmsg+0xee/0x170 [15170.340830][ T7704] __sys_sendmsg+0xcd/0x170 [15170.340830][ T7704] do_syscall_64+0xc6/0x1e0 [15170.340830][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15170.340830][ T7704] [15170.342727][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15170.342727][ T7704] neigh_parms_alloc+0x1e5/0x510 [15170.342727][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15170.342727][ T7704] ipv6_find_idev+0x102/0x170 [15170.342727][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15170.342727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15170.342727][ T7704] netlink_rcv_skb+0x130/0x360 [15170.342727][ T7704] netlink_unicast+0x449/0x710 [15170.342727][ T7704] netlink_sendmsg+0x723/0xbe0 [15170.342727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15170.342727][ T7704] ___sys_sendmsg+0xee/0x170 [15170.342727][ T7704] __sys_sendmsg+0xcd/0x170 [15170.342727][ T7704] do_syscall_64+0xc6/0x1e0 [15170.342727][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15170.342727][ T7704] [15180.452874][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15180.453937][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15180.453937][ T7704] netdev_get_by_index+0x5e/0x80 [15180.453937][ T7704] fib6_nh_init+0x3d8/0x15b0 [15180.453937][ T7704] ip6_route_info_create+0xf18/0x17d0 [15180.453937][ T7704] ip6_route_add+0x1c/0x140 [15180.453937][ T7704] addrconf_prefix_route+0x2a6/0x430 [15180.453937][ T7704] inet6_addr_add+0x4f8/0xa40 [15180.453937][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15180.453937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15180.453937][ T7704] netlink_rcv_skb+0x130/0x360 [15180.453937][ T7704] netlink_unicast+0x449/0x710 [15180.453937][ T7704] netlink_sendmsg+0x723/0xbe0 [15180.453937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15180.453937][ T7704] ___sys_sendmsg+0xee/0x170 [15180.453937][ T7704] __sys_sendmsg+0xcd/0x170 [15180.453937][ T7704] do_syscall_64+0xc6/0x1e0 [15180.453937][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15180.453937][ T7704] [15180.456162][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15180.456162][ T7704] netdev_get_by_index+0x5e/0x80 [15180.456162][ T7704] fib6_nh_init+0x3d8/0x15b0 [15180.456162][ T7704] ip6_route_info_create+0xf18/0x17d0 [15180.456162][ T7704] addrconf_f6i_alloc+0x315/0x560 [15180.456162][ T7704] ipv6_add_addr+0x411/0x2000 [15180.456162][ T7704] inet6_addr_add+0x30e/0xa40 [15180.456162][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15180.456162][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15180.456162][ T7704] netlink_rcv_skb+0x130/0x360 [15180.456162][ T7704] netlink_unicast+0x449/0x710 [15180.456162][ T7704] netlink_sendmsg+0x723/0xbe0 [15180.456162][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15180.456162][ T7704] ___sys_sendmsg+0xee/0x170 [15180.456162][ T7704] __sys_sendmsg+0xcd/0x170 [15180.456162][ T7704] do_syscall_64+0xc6/0x1e0 [15180.456162][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15180.456162][ T7704] [15180.458372][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15180.458372][ T7704] netdev_get_by_index+0x5e/0x80 [15180.458372][ T7704] fib6_nh_init+0x3d8/0x15b0 [15180.458372][ T7704] ip6_route_info_create+0xf18/0x17d0 [15180.458372][ T7704] ip6_route_add+0x1c/0x140 [15180.458372][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15180.458372][ T7704] addrconf_add_dev+0xe2/0x170 [15180.458372][ T7704] inet6_addr_add+0x12f/0xa40 [15180.458372][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15180.458372][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15180.458372][ T7704] netlink_rcv_skb+0x130/0x360 [15180.458372][ T7704] netlink_unicast+0x449/0x710 [15180.458372][ T7704] netlink_sendmsg+0x723/0xbe0 [15180.458372][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15180.458372][ T7704] ___sys_sendmsg+0xee/0x170 [15180.458372][ T7704] __sys_sendmsg+0xcd/0x170 [15180.458372][ T7704] do_syscall_64+0xc6/0x1e0 [15180.458372][ T7704] [15180.460563][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15180.460563][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15180.460563][ T7704] ipv6_find_idev+0x102/0x170 [15180.460563][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15180.460563][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15180.460563][ T7704] netlink_rcv_skb+0x130/0x360 [15180.460563][ T7704] netlink_unicast+0x449/0x710 [15180.460563][ T7704] netlink_sendmsg+0x723/0xbe0 [15180.460563][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15180.460563][ T7704] ___sys_sendmsg+0xee/0x170 [15180.460563][ T7704] __sys_sendmsg+0xcd/0x170 [15180.460563][ T7704] do_syscall_64+0xc6/0x1e0 [15180.460563][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15180.460563][ T7704] [15180.462260][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15180.462260][ T7704] neigh_parms_alloc+0x1e5/0x510 [15180.462260][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15180.462260][ T7704] ipv6_find_idev+0x102/0x170 [15180.462260][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15180.462260][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15180.462260][ T7704] netlink_rcv_skb+0x130/0x360 [15180.462260][ T7704] netlink_unicast+0x449/0x710 [15180.462260][ T7704] netlink_sendmsg+0x723/0xbe0 [15180.462260][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15180.462260][ T7704] ___sys_sendmsg+0xee/0x170 [15180.462260][ T7704] __sys_sendmsg+0xcd/0x170 [15180.462260][ T7704] do_syscall_64+0xc6/0x1e0 [15180.462260][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15180.462260][ T7704] [15190.700829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15190.701248][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15190.701248][ T7704] netdev_get_by_index+0x5e/0x80 [15190.701248][ T7704] fib6_nh_init+0x3d8/0x15b0 [15190.701248][ T7704] ip6_route_info_create+0xf18/0x17d0 [15190.701248][ T7704] ip6_route_add+0x1c/0x140 [15190.701248][ T7704] addrconf_prefix_route+0x2a6/0x430 [15190.701248][ T7704] inet6_addr_add+0x4f8/0xa40 [15190.701248][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15190.701248][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15190.701248][ T7704] netlink_rcv_skb+0x130/0x360 [15190.701248][ T7704] netlink_unicast+0x449/0x710 [15190.701248][ T7704] netlink_sendmsg+0x723/0xbe0 [15190.701248][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15190.701248][ T7704] ___sys_sendmsg+0xee/0x170 [15190.701248][ T7704] __sys_sendmsg+0xcd/0x170 [15190.701248][ T7704] do_syscall_64+0xc6/0x1e0 [15190.701248][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15190.701248][ T7704] [15190.703488][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15190.703488][ T7704] netdev_get_by_index+0x5e/0x80 [15190.703488][ T7704] fib6_nh_init+0x3d8/0x15b0 [15190.703488][ T7704] ip6_route_info_create+0xf18/0x17d0 [15190.703488][ T7704] addrconf_f6i_alloc+0x315/0x560 [15190.703488][ T7704] ipv6_add_addr+0x411/0x2000 [15190.703488][ T7704] inet6_addr_add+0x30e/0xa40 [15190.703488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15190.703488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15190.703488][ T7704] netlink_rcv_skb+0x130/0x360 [15190.703488][ T7704] netlink_unicast+0x449/0x710 [15190.703488][ T7704] netlink_sendmsg+0x723/0xbe0 [15190.703488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15190.703488][ T7704] ___sys_sendmsg+0xee/0x170 [15190.703488][ T7704] __sys_sendmsg+0xcd/0x170 [15190.703488][ T7704] do_syscall_64+0xc6/0x1e0 [15190.703488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15190.703488][ T7704] [15190.705697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15190.705697][ T7704] netdev_get_by_index+0x5e/0x80 [15190.705697][ T7704] fib6_nh_init+0x3d8/0x15b0 [15190.705697][ T7704] ip6_route_info_create+0xf18/0x17d0 [15190.705697][ T7704] ip6_route_add+0x1c/0x140 [15190.705697][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15190.705697][ T7704] addrconf_add_dev+0xe2/0x170 [15190.705697][ T7704] inet6_addr_add+0x12f/0xa40 [15190.705697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15190.705697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15190.705697][ T7704] netlink_rcv_skb+0x130/0x360 [15190.705697][ T7704] netlink_unicast+0x449/0x710 [15190.705697][ T7704] netlink_sendmsg+0x723/0xbe0 [15190.705697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15190.705697][ T7704] ___sys_sendmsg+0xee/0x170 [15190.705697][ T7704] __sys_sendmsg+0xcd/0x170 [15190.705697][ T7704] do_syscall_64+0xc6/0x1e0 [15190.705697][ T7704] [15190.707876][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15190.707876][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15190.707876][ T7704] ipv6_find_idev+0x102/0x170 [15190.707876][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15190.707876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15190.707876][ T7704] netlink_rcv_skb+0x130/0x360 [15190.707876][ T7704] netlink_unicast+0x449/0x710 [15190.707876][ T7704] netlink_sendmsg+0x723/0xbe0 [15190.707876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15190.707876][ T7704] ___sys_sendmsg+0xee/0x170 [15190.707876][ T7704] __sys_sendmsg+0xcd/0x170 [15190.707876][ T7704] do_syscall_64+0xc6/0x1e0 [15190.707876][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15190.707876][ T7704] [15190.709584][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15190.709584][ T7704] neigh_parms_alloc+0x1e5/0x510 [15190.709584][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15190.709584][ T7704] ipv6_find_idev+0x102/0x170 [15190.709584][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15190.709584][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15190.709584][ T7704] netlink_rcv_skb+0x130/0x360 [15190.709584][ T7704] netlink_unicast+0x449/0x710 [15190.709584][ T7704] netlink_sendmsg+0x723/0xbe0 [15190.709584][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15190.709584][ T7704] ___sys_sendmsg+0xee/0x170 [15190.709584][ T7704] __sys_sendmsg+0xcd/0x170 [15190.709584][ T7704] do_syscall_64+0xc6/0x1e0 [15190.709584][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15190.709584][ T7704] [15200.948924][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15200.949613][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15200.949613][ T7704] netdev_get_by_index+0x5e/0x80 [15200.949613][ T7704] fib6_nh_init+0x3d8/0x15b0 [15200.949613][ T7704] ip6_route_info_create+0xf18/0x17d0 [15200.949613][ T7704] ip6_route_add+0x1c/0x140 [15200.949613][ T7704] addrconf_prefix_route+0x2a6/0x430 [15200.949613][ T7704] inet6_addr_add+0x4f8/0xa40 [15200.949613][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15200.949613][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15200.949613][ T7704] netlink_rcv_skb+0x130/0x360 [15200.949613][ T7704] netlink_unicast+0x449/0x710 [15200.949613][ T7704] netlink_sendmsg+0x723/0xbe0 [15200.949613][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15200.949613][ T7704] ___sys_sendmsg+0xee/0x170 [15200.949613][ T7704] __sys_sendmsg+0xcd/0x170 [15200.949613][ T7704] do_syscall_64+0xc6/0x1e0 [15200.949613][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15200.949613][ T7704] [15200.952152][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15200.952152][ T7704] netdev_get_by_index+0x5e/0x80 [15200.952152][ T7704] fib6_nh_init+0x3d8/0x15b0 [15200.952152][ T7704] ip6_route_info_create+0xf18/0x17d0 [15200.952152][ T7704] addrconf_f6i_alloc+0x315/0x560 [15200.952152][ T7704] ipv6_add_addr+0x411/0x2000 [15200.952152][ T7704] inet6_addr_add+0x30e/0xa40 [15200.952152][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15200.952152][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15200.952152][ T7704] netlink_rcv_skb+0x130/0x360 [15200.952152][ T7704] netlink_unicast+0x449/0x710 [15200.952152][ T7704] netlink_sendmsg+0x723/0xbe0 [15200.952152][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15200.952152][ T7704] ___sys_sendmsg+0xee/0x170 [15200.952152][ T7704] __sys_sendmsg+0xcd/0x170 [15200.952152][ T7704] do_syscall_64+0xc6/0x1e0 [15200.952152][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15200.952152][ T7704] [15200.954540][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15200.954540][ T7704] netdev_get_by_index+0x5e/0x80 [15200.954540][ T7704] fib6_nh_init+0x3d8/0x15b0 [15200.954540][ T7704] ip6_route_info_create+0xf18/0x17d0 [15200.954540][ T7704] ip6_route_add+0x1c/0x140 [15200.954540][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15200.954540][ T7704] addrconf_add_dev+0xe2/0x170 [15200.954540][ T7704] inet6_addr_add+0x12f/0xa40 [15200.954540][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15200.954540][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15200.954540][ T7704] netlink_rcv_skb+0x130/0x360 [15200.954540][ T7704] netlink_unicast+0x449/0x710 [15200.954540][ T7704] netlink_sendmsg+0x723/0xbe0 [15200.954540][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15200.954540][ T7704] ___sys_sendmsg+0xee/0x170 [15200.954540][ T7704] __sys_sendmsg+0xcd/0x170 [15200.954540][ T7704] do_syscall_64+0xc6/0x1e0 [15200.954540][ T7704] [15200.956959][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15200.956959][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15200.956959][ T7704] ipv6_find_idev+0x102/0x170 [15200.956959][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15200.956959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15200.956959][ T7704] netlink_rcv_skb+0x130/0x360 [15200.956959][ T7704] netlink_unicast+0x449/0x710 [15200.956959][ T7704] netlink_sendmsg+0x723/0xbe0 [15200.956959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15200.956959][ T7704] ___sys_sendmsg+0xee/0x170 [15200.956959][ T7704] __sys_sendmsg+0xcd/0x170 [15200.956959][ T7704] do_syscall_64+0xc6/0x1e0 [15200.956959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15200.956959][ T7704] [15200.958855][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15200.958855][ T7704] neigh_parms_alloc+0x1e5/0x510 [15200.958855][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15200.958855][ T7704] ipv6_find_idev+0x102/0x170 [15200.958855][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15200.958855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15200.958855][ T7704] netlink_rcv_skb+0x130/0x360 [15200.958855][ T7704] netlink_unicast+0x449/0x710 [15200.958855][ T7704] netlink_sendmsg+0x723/0xbe0 [15200.958855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15200.958855][ T7704] ___sys_sendmsg+0xee/0x170 [15200.958855][ T7704] __sys_sendmsg+0xcd/0x170 [15200.958855][ T7704] do_syscall_64+0xc6/0x1e0 [15200.958855][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15200.958855][ T7704] [15211.196758][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15211.197273][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15211.197273][ T7704] netdev_get_by_index+0x5e/0x80 [15211.197273][ T7704] fib6_nh_init+0x3d8/0x15b0 [15211.197273][ T7704] ip6_route_info_create+0xf18/0x17d0 [15211.197273][ T7704] ip6_route_add+0x1c/0x140 [15211.197273][ T7704] addrconf_prefix_route+0x2a6/0x430 [15211.197273][ T7704] inet6_addr_add+0x4f8/0xa40 [15211.197273][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15211.197273][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15211.197273][ T7704] netlink_rcv_skb+0x130/0x360 [15211.197273][ T7704] netlink_unicast+0x449/0x710 [15211.197273][ T7704] netlink_sendmsg+0x723/0xbe0 [15211.197273][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15211.197273][ T7704] ___sys_sendmsg+0xee/0x170 [15211.197273][ T7704] __sys_sendmsg+0xcd/0x170 [15211.197273][ T7704] do_syscall_64+0xc6/0x1e0 [15211.197273][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15211.197273][ T7704] [15211.199753][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15211.199753][ T7704] netdev_get_by_index+0x5e/0x80 [15211.199753][ T7704] fib6_nh_init+0x3d8/0x15b0 [15211.199753][ T7704] ip6_route_info_create+0xf18/0x17d0 [15211.199753][ T7704] addrconf_f6i_alloc+0x315/0x560 [15211.199753][ T7704] ipv6_add_addr+0x411/0x2000 [15211.199753][ T7704] inet6_addr_add+0x30e/0xa40 [15211.199753][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15211.199753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15211.199753][ T7704] netlink_rcv_skb+0x130/0x360 [15211.199753][ T7704] netlink_unicast+0x449/0x710 [15211.199753][ T7704] netlink_sendmsg+0x723/0xbe0 [15211.199753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15211.199753][ T7704] ___sys_sendmsg+0xee/0x170 [15211.199753][ T7704] __sys_sendmsg+0xcd/0x170 [15211.199753][ T7704] do_syscall_64+0xc6/0x1e0 [15211.199753][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15211.199753][ T7704] [15211.202212][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15211.202212][ T7704] netdev_get_by_index+0x5e/0x80 [15211.202212][ T7704] fib6_nh_init+0x3d8/0x15b0 [15211.202212][ T7704] ip6_route_info_create+0xf18/0x17d0 [15211.202212][ T7704] ip6_route_add+0x1c/0x140 [15211.202212][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15211.202212][ T7704] addrconf_add_dev+0xe2/0x170 [15211.202212][ T7704] inet6_addr_add+0x12f/0xa40 [15211.202212][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15211.202212][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15211.202212][ T7704] netlink_rcv_skb+0x130/0x360 [15211.202212][ T7704] netlink_unicast+0x449/0x710 [15211.202212][ T7704] netlink_sendmsg+0x723/0xbe0 [15211.202212][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15211.202212][ T7704] ___sys_sendmsg+0xee/0x170 [15211.202212][ T7704] __sys_sendmsg+0xcd/0x170 [15211.202212][ T7704] do_syscall_64+0xc6/0x1e0 [15211.202212][ T7704] [15211.204617][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15211.204617][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15211.204617][ T7704] ipv6_find_idev+0x102/0x170 [15211.204617][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15211.204617][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15211.204617][ T7704] netlink_rcv_skb+0x130/0x360 [15211.204617][ T7704] netlink_unicast+0x449/0x710 [15211.204617][ T7704] netlink_sendmsg+0x723/0xbe0 [15211.204617][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15211.204617][ T7704] ___sys_sendmsg+0xee/0x170 [15211.204617][ T7704] __sys_sendmsg+0xcd/0x170 [15211.204617][ T7704] do_syscall_64+0xc6/0x1e0 [15211.204617][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15211.204617][ T7704] [15211.206521][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15211.206521][ T7704] neigh_parms_alloc+0x1e5/0x510 [15211.206521][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15211.206521][ T7704] ipv6_find_idev+0x102/0x170 [15211.206521][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15211.206521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15211.206521][ T7704] netlink_rcv_skb+0x130/0x360 [15211.206521][ T7704] netlink_unicast+0x449/0x710 [15211.206521][ T7704] netlink_sendmsg+0x723/0xbe0 [15211.206521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15211.206521][ T7704] ___sys_sendmsg+0xee/0x170 [15211.206521][ T7704] __sys_sendmsg+0xcd/0x170 [15211.206521][ T7704] do_syscall_64+0xc6/0x1e0 [15211.206521][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15211.206521][ T7704] [15221.444861][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15221.445412][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15221.445412][ T7704] netdev_get_by_index+0x5e/0x80 [15221.445412][ T7704] fib6_nh_init+0x3d8/0x15b0 [15221.445412][ T7704] ip6_route_info_create+0xf18/0x17d0 [15221.445412][ T7704] ip6_route_add+0x1c/0x140 [15221.445412][ T7704] addrconf_prefix_route+0x2a6/0x430 [15221.445412][ T7704] inet6_addr_add+0x4f8/0xa40 [15221.445412][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15221.445412][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15221.445412][ T7704] netlink_rcv_skb+0x130/0x360 [15221.445412][ T7704] netlink_unicast+0x449/0x710 [15221.445412][ T7704] netlink_sendmsg+0x723/0xbe0 [15221.445412][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15221.445412][ T7704] ___sys_sendmsg+0xee/0x170 [15221.445412][ T7704] __sys_sendmsg+0xcd/0x170 [15221.445412][ T7704] do_syscall_64+0xc6/0x1e0 [15221.445412][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15221.445412][ T7704] [15221.447902][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15221.447902][ T7704] netdev_get_by_index+0x5e/0x80 [15221.447902][ T7704] fib6_nh_init+0x3d8/0x15b0 [15221.447902][ T7704] ip6_route_info_create+0xf18/0x17d0 [15221.447902][ T7704] addrconf_f6i_alloc+0x315/0x560 [15221.447902][ T7704] ipv6_add_addr+0x411/0x2000 [15221.447902][ T7704] inet6_addr_add+0x30e/0xa40 [15221.447902][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15221.447902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15221.447902][ T7704] netlink_rcv_skb+0x130/0x360 [15221.447902][ T7704] netlink_unicast+0x449/0x710 [15221.447902][ T7704] netlink_sendmsg+0x723/0xbe0 [15221.447902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15221.447902][ T7704] ___sys_sendmsg+0xee/0x170 [15221.447902][ T7704] __sys_sendmsg+0xcd/0x170 [15221.447902][ T7704] do_syscall_64+0xc6/0x1e0 [15221.447902][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15221.447902][ T7704] [15221.450365][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15221.450365][ T7704] netdev_get_by_index+0x5e/0x80 [15221.450365][ T7704] fib6_nh_init+0x3d8/0x15b0 [15221.450365][ T7704] ip6_route_info_create+0xf18/0x17d0 [15221.450365][ T7704] ip6_route_add+0x1c/0x140 [15221.450365][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15221.450365][ T7704] addrconf_add_dev+0xe2/0x170 [15221.450365][ T7704] inet6_addr_add+0x12f/0xa40 [15221.450365][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15221.450365][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15221.450365][ T7704] netlink_rcv_skb+0x130/0x360 [15221.450365][ T7704] netlink_unicast+0x449/0x710 [15221.450365][ T7704] netlink_sendmsg+0x723/0xbe0 [15221.450365][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15221.450365][ T7704] ___sys_sendmsg+0xee/0x170 [15221.450365][ T7704] __sys_sendmsg+0xcd/0x170 [15221.450365][ T7704] do_syscall_64+0xc6/0x1e0 [15221.450365][ T7704] [15221.452765][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15221.452765][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15221.452765][ T7704] ipv6_find_idev+0x102/0x170 [15221.452765][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15221.452765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15221.452765][ T7704] netlink_rcv_skb+0x130/0x360 [15221.452765][ T7704] netlink_unicast+0x449/0x710 [15221.452765][ T7704] netlink_sendmsg+0x723/0xbe0 [15221.452765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15221.452765][ T7704] ___sys_sendmsg+0xee/0x170 [15221.452765][ T7704] __sys_sendmsg+0xcd/0x170 [15221.452765][ T7704] do_syscall_64+0xc6/0x1e0 [15221.452765][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15221.452765][ T7704] [15221.454662][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15221.454662][ T7704] neigh_parms_alloc+0x1e5/0x510 [15221.454662][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15221.454662][ T7704] ipv6_find_idev+0x102/0x170 [15221.454662][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15221.454662][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15221.454662][ T7704] netlink_rcv_skb+0x130/0x360 [15221.454662][ T7704] netlink_unicast+0x449/0x710 [15221.454662][ T7704] netlink_sendmsg+0x723/0xbe0 [15221.454662][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15221.454662][ T7704] ___sys_sendmsg+0xee/0x170 [15221.454662][ T7704] __sys_sendmsg+0xcd/0x170 [15221.454662][ T7704] do_syscall_64+0xc6/0x1e0 [15221.454662][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15221.454662][ T7704] [15231.692837][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15231.693399][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15231.693399][ T7704] netdev_get_by_index+0x5e/0x80 [15231.693399][ T7704] fib6_nh_init+0x3d8/0x15b0 [15231.693399][ T7704] ip6_route_info_create+0xf18/0x17d0 [15231.693399][ T7704] ip6_route_add+0x1c/0x140 [15231.693399][ T7704] addrconf_prefix_route+0x2a6/0x430 [15231.693399][ T7704] inet6_addr_add+0x4f8/0xa40 [15231.693399][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15231.693399][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15231.693399][ T7704] netlink_rcv_skb+0x130/0x360 [15231.693399][ T7704] netlink_unicast+0x449/0x710 [15231.693399][ T7704] netlink_sendmsg+0x723/0xbe0 [15231.693399][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15231.693399][ T7704] ___sys_sendmsg+0xee/0x170 [15231.693399][ T7704] __sys_sendmsg+0xcd/0x170 [15231.693399][ T7704] do_syscall_64+0xc6/0x1e0 [15231.693399][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15231.693399][ T7704] [15231.695906][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15231.695906][ T7704] netdev_get_by_index+0x5e/0x80 [15231.695906][ T7704] fib6_nh_init+0x3d8/0x15b0 [15231.695906][ T7704] ip6_route_info_create+0xf18/0x17d0 [15231.695906][ T7704] addrconf_f6i_alloc+0x315/0x560 [15231.695906][ T7704] ipv6_add_addr+0x411/0x2000 [15231.695906][ T7704] inet6_addr_add+0x30e/0xa40 [15231.695906][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15231.695906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15231.695906][ T7704] netlink_rcv_skb+0x130/0x360 [15231.695906][ T7704] netlink_unicast+0x449/0x710 [15231.695906][ T7704] netlink_sendmsg+0x723/0xbe0 [15231.695906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15231.695906][ T7704] ___sys_sendmsg+0xee/0x170 [15231.695906][ T7704] __sys_sendmsg+0xcd/0x170 [15231.695906][ T7704] do_syscall_64+0xc6/0x1e0 [15231.695906][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15231.695906][ T7704] [15231.698380][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15231.698380][ T7704] netdev_get_by_index+0x5e/0x80 [15231.698380][ T7704] fib6_nh_init+0x3d8/0x15b0 [15231.698380][ T7704] ip6_route_info_create+0xf18/0x17d0 [15231.698380][ T7704] ip6_route_add+0x1c/0x140 [15231.698380][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15231.698380][ T7704] addrconf_add_dev+0xe2/0x170 [15231.698380][ T7704] inet6_addr_add+0x12f/0xa40 [15231.698380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15231.698380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15231.698380][ T7704] netlink_rcv_skb+0x130/0x360 [15231.698380][ T7704] netlink_unicast+0x449/0x710 [15231.698380][ T7704] netlink_sendmsg+0x723/0xbe0 [15231.698380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15231.698380][ T7704] ___sys_sendmsg+0xee/0x170 [15231.698380][ T7704] __sys_sendmsg+0xcd/0x170 [15231.698380][ T7704] do_syscall_64+0xc6/0x1e0 [15231.698380][ T7704] [15231.700837][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15231.700837][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15231.700837][ T7704] ipv6_find_idev+0x102/0x170 [15231.700837][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15231.700837][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15231.700837][ T7704] netlink_rcv_skb+0x130/0x360 [15231.700837][ T7704] netlink_unicast+0x449/0x710 [15231.700837][ T7704] netlink_sendmsg+0x723/0xbe0 [15231.700837][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15231.700837][ T7704] ___sys_sendmsg+0xee/0x170 [15231.700837][ T7704] __sys_sendmsg+0xcd/0x170 [15231.700837][ T7704] do_syscall_64+0xc6/0x1e0 [15231.700837][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15231.700837][ T7704] [15231.703275][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15231.703275][ T7704] neigh_parms_alloc+0x1e5/0x510 [15231.703275][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15231.703275][ T7704] ipv6_find_idev+0x102/0x170 [15231.703275][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15231.703275][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15231.703275][ T7704] netlink_rcv_skb+0x130/0x360 [15231.703275][ T7704] netlink_unicast+0x449/0x710 [15231.703275][ T7704] netlink_sendmsg+0x723/0xbe0 [15231.703275][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15231.703275][ T7704] ___sys_sendmsg+0xee/0x170 [15231.703275][ T7704] __sys_sendmsg+0xcd/0x170 [15231.703275][ T7704] do_syscall_64+0xc6/0x1e0 [15231.703275][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15231.703275][ T7704] [15242.332887][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15242.333426][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15242.333426][ T7704] netdev_get_by_index+0x5e/0x80 [15242.333426][ T7704] fib6_nh_init+0x3d8/0x15b0 [15242.333426][ T7704] ip6_route_info_create+0xf18/0x17d0 [15242.333426][ T7704] ip6_route_add+0x1c/0x140 [15242.333426][ T7704] addrconf_prefix_route+0x2a6/0x430 [15242.333426][ T7704] inet6_addr_add+0x4f8/0xa40 [15242.333426][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15242.333426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15242.333426][ T7704] netlink_rcv_skb+0x130/0x360 [15242.333426][ T7704] netlink_unicast+0x449/0x710 [15242.333426][ T7704] netlink_sendmsg+0x723/0xbe0 [15242.333426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15242.333426][ T7704] ___sys_sendmsg+0xee/0x170 [15242.333426][ T7704] __sys_sendmsg+0xcd/0x170 [15242.333426][ T7704] do_syscall_64+0xc6/0x1e0 [15242.333426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15242.333426][ T7704] [15242.335659][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15242.335659][ T7704] netdev_get_by_index+0x5e/0x80 [15242.335659][ T7704] fib6_nh_init+0x3d8/0x15b0 [15242.335659][ T7704] ip6_route_info_create+0xf18/0x17d0 [15242.335659][ T7704] addrconf_f6i_alloc+0x315/0x560 [15242.335659][ T7704] ipv6_add_addr+0x411/0x2000 [15242.335659][ T7704] inet6_addr_add+0x30e/0xa40 [15242.335659][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15242.335659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15242.335659][ T7704] netlink_rcv_skb+0x130/0x360 [15242.335659][ T7704] netlink_unicast+0x449/0x710 [15242.335659][ T7704] netlink_sendmsg+0x723/0xbe0 [15242.335659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15242.335659][ T7704] ___sys_sendmsg+0xee/0x170 [15242.335659][ T7704] __sys_sendmsg+0xcd/0x170 [15242.335659][ T7704] do_syscall_64+0xc6/0x1e0 [15242.335659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15242.335659][ T7704] [15242.337887][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15242.337887][ T7704] netdev_get_by_index+0x5e/0x80 [15242.337887][ T7704] fib6_nh_init+0x3d8/0x15b0 [15242.337887][ T7704] ip6_route_info_create+0xf18/0x17d0 [15242.337887][ T7704] ip6_route_add+0x1c/0x140 [15242.337887][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15242.337887][ T7704] addrconf_add_dev+0xe2/0x170 [15242.337887][ T7704] inet6_addr_add+0x12f/0xa40 [15242.337887][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15242.337887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15242.337887][ T7704] netlink_rcv_skb+0x130/0x360 [15242.337887][ T7704] netlink_unicast+0x449/0x710 [15242.337887][ T7704] netlink_sendmsg+0x723/0xbe0 [15242.337887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15242.337887][ T7704] ___sys_sendmsg+0xee/0x170 [15242.337887][ T7704] __sys_sendmsg+0xcd/0x170 [15242.337887][ T7704] do_syscall_64+0xc6/0x1e0 [15242.337887][ T7704] [15242.340060][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15242.340060][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15242.340060][ T7704] ipv6_find_idev+0x102/0x170 [15242.340060][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15242.340060][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15242.340060][ T7704] netlink_rcv_skb+0x130/0x360 [15242.340060][ T7704] netlink_unicast+0x449/0x710 [15242.340060][ T7704] netlink_sendmsg+0x723/0xbe0 [15242.340060][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15242.340060][ T7704] ___sys_sendmsg+0xee/0x170 [15242.340060][ T7704] __sys_sendmsg+0xcd/0x170 [15242.340060][ T7704] do_syscall_64+0xc6/0x1e0 [15242.340060][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15242.340060][ T7704] [15242.341770][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15242.341770][ T7704] neigh_parms_alloc+0x1e5/0x510 [15242.341770][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15242.341770][ T7704] ipv6_find_idev+0x102/0x170 [15242.341770][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15242.341770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15242.341770][ T7704] netlink_rcv_skb+0x130/0x360 [15242.341770][ T7704] netlink_unicast+0x449/0x710 [15242.341770][ T7704] netlink_sendmsg+0x723/0xbe0 [15242.341770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15242.341770][ T7704] ___sys_sendmsg+0xee/0x170 [15242.341770][ T7704] __sys_sendmsg+0xcd/0x170 [15242.341770][ T7704] do_syscall_64+0xc6/0x1e0 [15242.341770][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15242.341770][ T7704] [15252.428811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15252.429293][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15252.429293][ T7704] netdev_get_by_index+0x5e/0x80 [15252.429293][ T7704] fib6_nh_init+0x3d8/0x15b0 [15252.429293][ T7704] ip6_route_info_create+0xf18/0x17d0 [15252.429293][ T7704] ip6_route_add+0x1c/0x140 [15252.429293][ T7704] addrconf_prefix_route+0x2a6/0x430 [15252.429293][ T7704] inet6_addr_add+0x4f8/0xa40 [15252.429293][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15252.429293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15252.429293][ T7704] netlink_rcv_skb+0x130/0x360 [15252.429293][ T7704] netlink_unicast+0x449/0x710 [15252.429293][ T7704] netlink_sendmsg+0x723/0xbe0 [15252.429293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15252.429293][ T7704] ___sys_sendmsg+0xee/0x170 [15252.429293][ T7704] __sys_sendmsg+0xcd/0x170 [15252.429293][ T7704] do_syscall_64+0xc6/0x1e0 [15252.429293][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15252.429293][ T7704] [15252.431533][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15252.431533][ T7704] netdev_get_by_index+0x5e/0x80 [15252.431533][ T7704] fib6_nh_init+0x3d8/0x15b0 [15252.431533][ T7704] ip6_route_info_create+0xf18/0x17d0 [15252.431533][ T7704] addrconf_f6i_alloc+0x315/0x560 [15252.431533][ T7704] ipv6_add_addr+0x411/0x2000 [15252.431533][ T7704] inet6_addr_add+0x30e/0xa40 [15252.431533][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15252.431533][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15252.431533][ T7704] netlink_rcv_skb+0x130/0x360 [15252.431533][ T7704] netlink_unicast+0x449/0x710 [15252.431533][ T7704] netlink_sendmsg+0x723/0xbe0 [15252.431533][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15252.431533][ T7704] ___sys_sendmsg+0xee/0x170 [15252.431533][ T7704] __sys_sendmsg+0xcd/0x170 [15252.431533][ T7704] do_syscall_64+0xc6/0x1e0 [15252.431533][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15252.431533][ T7704] [15252.433760][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15252.433760][ T7704] netdev_get_by_index+0x5e/0x80 [15252.433760][ T7704] fib6_nh_init+0x3d8/0x15b0 [15252.433760][ T7704] ip6_route_info_create+0xf18/0x17d0 [15252.433760][ T7704] ip6_route_add+0x1c/0x140 [15252.433760][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15252.433760][ T7704] addrconf_add_dev+0xe2/0x170 [15252.433760][ T7704] inet6_addr_add+0x12f/0xa40 [15252.433760][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15252.433760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15252.433760][ T7704] netlink_rcv_skb+0x130/0x360 [15252.433760][ T7704] netlink_unicast+0x449/0x710 [15252.433760][ T7704] netlink_sendmsg+0x723/0xbe0 [15252.433760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15252.433760][ T7704] ___sys_sendmsg+0xee/0x170 [15252.433760][ T7704] __sys_sendmsg+0xcd/0x170 [15252.433760][ T7704] do_syscall_64+0xc6/0x1e0 [15252.433760][ T7704] [15252.435929][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15252.435929][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15252.435929][ T7704] ipv6_find_idev+0x102/0x170 [15252.435929][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15252.435929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15252.435929][ T7704] netlink_rcv_skb+0x130/0x360 [15252.435929][ T7704] netlink_unicast+0x449/0x710 [15252.435929][ T7704] netlink_sendmsg+0x723/0xbe0 [15252.435929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15252.435929][ T7704] ___sys_sendmsg+0xee/0x170 [15252.435929][ T7704] __sys_sendmsg+0xcd/0x170 [15252.435929][ T7704] do_syscall_64+0xc6/0x1e0 [15252.435929][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15252.435929][ T7704] [15252.437630][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15252.437630][ T7704] neigh_parms_alloc+0x1e5/0x510 [15252.437630][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15252.437630][ T7704] ipv6_find_idev+0x102/0x170 [15252.437630][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15252.437630][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15252.437630][ T7704] netlink_rcv_skb+0x130/0x360 [15252.437630][ T7704] netlink_unicast+0x449/0x710 [15252.437630][ T7704] netlink_sendmsg+0x723/0xbe0 [15252.437630][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15252.437630][ T7704] ___sys_sendmsg+0xee/0x170 [15252.437630][ T7704] __sys_sendmsg+0xcd/0x170 [15252.437630][ T7704] do_syscall_64+0xc6/0x1e0 [15252.437630][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15252.437630][ T7704] [15262.684837][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15262.685314][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15262.685314][ T7704] netdev_get_by_index+0x5e/0x80 [15262.685314][ T7704] fib6_nh_init+0x3d8/0x15b0 [15262.685314][ T7704] ip6_route_info_create+0xf18/0x17d0 [15262.685314][ T7704] ip6_route_add+0x1c/0x140 [15262.685314][ T7704] addrconf_prefix_route+0x2a6/0x430 [15262.685314][ T7704] inet6_addr_add+0x4f8/0xa40 [15262.685314][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15262.685314][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15262.685314][ T7704] netlink_rcv_skb+0x130/0x360 [15262.685314][ T7704] netlink_unicast+0x449/0x710 [15262.685314][ T7704] netlink_sendmsg+0x723/0xbe0 [15262.685314][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15262.685314][ T7704] ___sys_sendmsg+0xee/0x170 [15262.685314][ T7704] __sys_sendmsg+0xcd/0x170 [15262.685314][ T7704] do_syscall_64+0xc6/0x1e0 [15262.685314][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15262.685314][ T7704] [15262.687542][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15262.687542][ T7704] netdev_get_by_index+0x5e/0x80 [15262.687542][ T7704] fib6_nh_init+0x3d8/0x15b0 [15262.687542][ T7704] ip6_route_info_create+0xf18/0x17d0 [15262.687542][ T7704] addrconf_f6i_alloc+0x315/0x560 [15262.687542][ T7704] ipv6_add_addr+0x411/0x2000 [15262.687542][ T7704] inet6_addr_add+0x30e/0xa40 [15262.687542][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15262.687542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15262.687542][ T7704] netlink_rcv_skb+0x130/0x360 [15262.687542][ T7704] netlink_unicast+0x449/0x710 [15262.687542][ T7704] netlink_sendmsg+0x723/0xbe0 [15262.687542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15262.687542][ T7704] ___sys_sendmsg+0xee/0x170 [15262.687542][ T7704] __sys_sendmsg+0xcd/0x170 [15262.687542][ T7704] do_syscall_64+0xc6/0x1e0 [15262.687542][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15262.687542][ T7704] [15262.689772][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15262.689772][ T7704] netdev_get_by_index+0x5e/0x80 [15262.689772][ T7704] fib6_nh_init+0x3d8/0x15b0 [15262.689772][ T7704] ip6_route_info_create+0xf18/0x17d0 [15262.689772][ T7704] ip6_route_add+0x1c/0x140 [15262.689772][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15262.689772][ T7704] addrconf_add_dev+0xe2/0x170 [15262.689772][ T7704] inet6_addr_add+0x12f/0xa40 [15262.689772][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15262.689772][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15262.689772][ T7704] netlink_rcv_skb+0x130/0x360 [15262.689772][ T7704] netlink_unicast+0x449/0x710 [15262.689772][ T7704] netlink_sendmsg+0x723/0xbe0 [15262.689772][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15262.689772][ T7704] ___sys_sendmsg+0xee/0x170 [15262.689772][ T7704] __sys_sendmsg+0xcd/0x170 [15262.689772][ T7704] do_syscall_64+0xc6/0x1e0 [15262.689772][ T7704] [15262.691945][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15262.691945][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15262.691945][ T7704] ipv6_find_idev+0x102/0x170 [15262.691945][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15262.691945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15262.691945][ T7704] netlink_rcv_skb+0x130/0x360 [15262.691945][ T7704] netlink_unicast+0x449/0x710 [15262.691945][ T7704] netlink_sendmsg+0x723/0xbe0 [15262.691945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15262.691945][ T7704] ___sys_sendmsg+0xee/0x170 [15262.691945][ T7704] __sys_sendmsg+0xcd/0x170 [15262.691945][ T7704] do_syscall_64+0xc6/0x1e0 [15262.691945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15262.691945][ T7704] [15262.693649][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15262.693649][ T7704] neigh_parms_alloc+0x1e5/0x510 [15262.693649][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15262.693649][ T7704] ipv6_find_idev+0x102/0x170 [15262.693649][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15262.693649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15262.693649][ T7704] netlink_rcv_skb+0x130/0x360 [15262.693649][ T7704] netlink_unicast+0x449/0x710 [15262.693649][ T7704] netlink_sendmsg+0x723/0xbe0 [15262.693649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15262.693649][ T7704] ___sys_sendmsg+0xee/0x170 [15262.693649][ T7704] __sys_sendmsg+0xcd/0x170 [15262.693649][ T7704] do_syscall_64+0xc6/0x1e0 [15262.693649][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15262.693649][ T7704] [15272.892908][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15272.893467][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15272.893467][ T7704] netdev_get_by_index+0x5e/0x80 [15272.893467][ T7704] fib6_nh_init+0x3d8/0x15b0 [15272.893467][ T7704] ip6_route_info_create+0xf18/0x17d0 [15272.893467][ T7704] ip6_route_add+0x1c/0x140 [15272.893467][ T7704] addrconf_prefix_route+0x2a6/0x430 [15272.893467][ T7704] inet6_addr_add+0x4f8/0xa40 [15272.893467][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15272.893467][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15272.893467][ T7704] netlink_rcv_skb+0x130/0x360 [15272.893467][ T7704] netlink_unicast+0x449/0x710 [15272.893467][ T7704] netlink_sendmsg+0x723/0xbe0 [15272.893467][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15272.893467][ T7704] ___sys_sendmsg+0xee/0x170 [15272.893467][ T7704] __sys_sendmsg+0xcd/0x170 [15272.893467][ T7704] do_syscall_64+0xc6/0x1e0 [15272.893467][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15272.893467][ T7704] [15272.895972][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15272.895972][ T7704] netdev_get_by_index+0x5e/0x80 [15272.895972][ T7704] fib6_nh_init+0x3d8/0x15b0 [15272.895972][ T7704] ip6_route_info_create+0xf18/0x17d0 [15272.895972][ T7704] addrconf_f6i_alloc+0x315/0x560 [15272.895972][ T7704] ipv6_add_addr+0x411/0x2000 [15272.895972][ T7704] inet6_addr_add+0x30e/0xa40 [15272.895972][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15272.895972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15272.895972][ T7704] netlink_rcv_skb+0x130/0x360 [15272.895972][ T7704] netlink_unicast+0x449/0x710 [15272.895972][ T7704] netlink_sendmsg+0x723/0xbe0 [15272.895972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15272.895972][ T7704] ___sys_sendmsg+0xee/0x170 [15272.895972][ T7704] __sys_sendmsg+0xcd/0x170 [15272.895972][ T7704] do_syscall_64+0xc6/0x1e0 [15272.895972][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15272.895972][ T7704] [15272.898435][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15272.898435][ T7704] netdev_get_by_index+0x5e/0x80 [15272.898435][ T7704] fib6_nh_init+0x3d8/0x15b0 [15272.898435][ T7704] ip6_route_info_create+0xf18/0x17d0 [15272.898435][ T7704] ip6_route_add+0x1c/0x140 [15272.898435][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15272.898435][ T7704] addrconf_add_dev+0xe2/0x170 [15272.898435][ T7704] inet6_addr_add+0x12f/0xa40 [15272.898435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15272.898435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15272.898435][ T7704] netlink_rcv_skb+0x130/0x360 [15272.898435][ T7704] netlink_unicast+0x449/0x710 [15272.898435][ T7704] netlink_sendmsg+0x723/0xbe0 [15272.898435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15272.898435][ T7704] ___sys_sendmsg+0xee/0x170 [15272.898435][ T7704] __sys_sendmsg+0xcd/0x170 [15272.898435][ T7704] do_syscall_64+0xc6/0x1e0 [15272.898435][ T7704] [15272.901409][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15272.901409][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15272.901409][ T7704] ipv6_find_idev+0x102/0x170 [15272.901409][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15272.901409][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15272.901409][ T7704] netlink_rcv_skb+0x130/0x360 [15272.901409][ T7704] netlink_unicast+0x449/0x710 [15272.901409][ T7704] netlink_sendmsg+0x723/0xbe0 [15272.901409][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15272.901409][ T7704] ___sys_sendmsg+0xee/0x170 [15272.901409][ T7704] __sys_sendmsg+0xcd/0x170 [15272.901409][ T7704] do_syscall_64+0xc6/0x1e0 [15272.901409][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15272.901409][ T7704] [15272.903290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15272.903290][ T7704] neigh_parms_alloc+0x1e5/0x510 [15272.903290][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15272.903290][ T7704] ipv6_find_idev+0x102/0x170 [15272.903290][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15272.903290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15272.903290][ T7704] netlink_rcv_skb+0x130/0x360 [15272.903290][ T7704] netlink_unicast+0x449/0x710 [15272.903290][ T7704] netlink_sendmsg+0x723/0xbe0 [15272.903290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15272.903290][ T7704] ___sys_sendmsg+0xee/0x170 [15272.903290][ T7704] __sys_sendmsg+0xcd/0x170 [15272.903290][ T7704] do_syscall_64+0xc6/0x1e0 [15272.903290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15272.903290][ T7704] [15283.092844][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15283.093927][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15283.093927][ T7704] netdev_get_by_index+0x5e/0x80 [15283.093927][ T7704] fib6_nh_init+0x3d8/0x15b0 [15283.093927][ T7704] ip6_route_info_create+0xf18/0x17d0 [15283.093927][ T7704] ip6_route_add+0x1c/0x140 [15283.093927][ T7704] addrconf_prefix_route+0x2a6/0x430 [15283.093927][ T7704] inet6_addr_add+0x4f8/0xa40 [15283.093927][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15283.093927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15283.093927][ T7704] netlink_rcv_skb+0x130/0x360 [15283.093927][ T7704] netlink_unicast+0x449/0x710 [15283.093927][ T7704] netlink_sendmsg+0x723/0xbe0 [15283.093927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15283.093927][ T7704] ___sys_sendmsg+0xee/0x170 [15283.093927][ T7704] __sys_sendmsg+0xcd/0x170 [15283.093927][ T7704] do_syscall_64+0xc6/0x1e0 [15283.093927][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15283.093927][ T7704] [15283.096164][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15283.096164][ T7704] netdev_get_by_index+0x5e/0x80 [15283.096164][ T7704] fib6_nh_init+0x3d8/0x15b0 [15283.096164][ T7704] ip6_route_info_create+0xf18/0x17d0 [15283.096164][ T7704] addrconf_f6i_alloc+0x315/0x560 [15283.096164][ T7704] ipv6_add_addr+0x411/0x2000 [15283.096164][ T7704] inet6_addr_add+0x30e/0xa40 [15283.096164][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15283.096164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15283.096164][ T7704] netlink_rcv_skb+0x130/0x360 [15283.096164][ T7704] netlink_unicast+0x449/0x710 [15283.096164][ T7704] netlink_sendmsg+0x723/0xbe0 [15283.096164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15283.096164][ T7704] ___sys_sendmsg+0xee/0x170 [15283.096164][ T7704] __sys_sendmsg+0xcd/0x170 [15283.096164][ T7704] do_syscall_64+0xc6/0x1e0 [15283.096164][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15283.096164][ T7704] [15283.098382][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15283.098382][ T7704] netdev_get_by_index+0x5e/0x80 [15283.098382][ T7704] fib6_nh_init+0x3d8/0x15b0 [15283.098382][ T7704] ip6_route_info_create+0xf18/0x17d0 [15283.098382][ T7704] ip6_route_add+0x1c/0x140 [15283.098382][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15283.098382][ T7704] addrconf_add_dev+0xe2/0x170 [15283.098382][ T7704] inet6_addr_add+0x12f/0xa40 [15283.098382][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15283.098382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15283.098382][ T7704] netlink_rcv_skb+0x130/0x360 [15283.098382][ T7704] netlink_unicast+0x449/0x710 [15283.098382][ T7704] netlink_sendmsg+0x723/0xbe0 [15283.098382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15283.098382][ T7704] ___sys_sendmsg+0xee/0x170 [15283.098382][ T7704] __sys_sendmsg+0xcd/0x170 [15283.098382][ T7704] do_syscall_64+0xc6/0x1e0 [15283.098382][ T7704] [15283.100566][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15283.100566][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15283.100566][ T7704] ipv6_find_idev+0x102/0x170 [15283.100566][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15283.100566][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15283.100566][ T7704] netlink_rcv_skb+0x130/0x360 [15283.100566][ T7704] netlink_unicast+0x449/0x710 [15283.100566][ T7704] netlink_sendmsg+0x723/0xbe0 [15283.100566][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15283.100566][ T7704] ___sys_sendmsg+0xee/0x170 [15283.100566][ T7704] __sys_sendmsg+0xcd/0x170 [15283.100566][ T7704] do_syscall_64+0xc6/0x1e0 [15283.100566][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15283.100566][ T7704] [15283.102643][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15283.102643][ T7704] neigh_parms_alloc+0x1e5/0x510 [15283.102643][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15283.102643][ T7704] ipv6_find_idev+0x102/0x170 [15283.102643][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15283.102643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15283.102643][ T7704] netlink_rcv_skb+0x130/0x360 [15283.102643][ T7704] netlink_unicast+0x449/0x710 [15283.102643][ T7704] netlink_sendmsg+0x723/0xbe0 [15283.102643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15283.102643][ T7704] ___sys_sendmsg+0xee/0x170 [15283.102643][ T7704] __sys_sendmsg+0xcd/0x170 [15283.102643][ T7704] do_syscall_64+0xc6/0x1e0 [15283.102643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15283.102643][ T7704] [15293.356830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15293.357303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15293.357303][ T7704] netdev_get_by_index+0x5e/0x80 [15293.357303][ T7704] fib6_nh_init+0x3d8/0x15b0 [15293.357303][ T7704] ip6_route_info_create+0xf18/0x17d0 [15293.357303][ T7704] ip6_route_add+0x1c/0x140 [15293.357303][ T7704] addrconf_prefix_route+0x2a6/0x430 [15293.357303][ T7704] inet6_addr_add+0x4f8/0xa40 [15293.357303][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15293.357303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15293.357303][ T7704] netlink_rcv_skb+0x130/0x360 [15293.357303][ T7704] netlink_unicast+0x449/0x710 [15293.357303][ T7704] netlink_sendmsg+0x723/0xbe0 [15293.357303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15293.357303][ T7704] ___sys_sendmsg+0xee/0x170 [15293.357303][ T7704] __sys_sendmsg+0xcd/0x170 [15293.357303][ T7704] do_syscall_64+0xc6/0x1e0 [15293.357303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15293.357303][ T7704] [15293.359545][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15293.359545][ T7704] netdev_get_by_index+0x5e/0x80 [15293.359545][ T7704] fib6_nh_init+0x3d8/0x15b0 [15293.359545][ T7704] ip6_route_info_create+0xf18/0x17d0 [15293.359545][ T7704] addrconf_f6i_alloc+0x315/0x560 [15293.359545][ T7704] ipv6_add_addr+0x411/0x2000 [15293.359545][ T7704] inet6_addr_add+0x30e/0xa40 [15293.359545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15293.359545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15293.359545][ T7704] netlink_rcv_skb+0x130/0x360 [15293.359545][ T7704] netlink_unicast+0x449/0x710 [15293.359545][ T7704] netlink_sendmsg+0x723/0xbe0 [15293.359545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15293.359545][ T7704] ___sys_sendmsg+0xee/0x170 [15293.359545][ T7704] __sys_sendmsg+0xcd/0x170 [15293.359545][ T7704] do_syscall_64+0xc6/0x1e0 [15293.359545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15293.359545][ T7704] [15293.361770][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15293.361770][ T7704] netdev_get_by_index+0x5e/0x80 [15293.361770][ T7704] fib6_nh_init+0x3d8/0x15b0 [15293.361770][ T7704] ip6_route_info_create+0xf18/0x17d0 [15293.361770][ T7704] ip6_route_add+0x1c/0x140 [15293.361770][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15293.361770][ T7704] addrconf_add_dev+0xe2/0x170 [15293.361770][ T7704] inet6_addr_add+0x12f/0xa40 [15293.361770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15293.361770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15293.361770][ T7704] netlink_rcv_skb+0x130/0x360 [15293.361770][ T7704] netlink_unicast+0x449/0x710 [15293.361770][ T7704] netlink_sendmsg+0x723/0xbe0 [15293.361770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15293.361770][ T7704] ___sys_sendmsg+0xee/0x170 [15293.361770][ T7704] __sys_sendmsg+0xcd/0x170 [15293.361770][ T7704] do_syscall_64+0xc6/0x1e0 [15293.361770][ T7704] [15293.363958][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15293.363958][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15293.363958][ T7704] ipv6_find_idev+0x102/0x170 [15293.363958][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15293.363958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15293.363958][ T7704] netlink_rcv_skb+0x130/0x360 [15293.363958][ T7704] netlink_unicast+0x449/0x710 [15293.363958][ T7704] netlink_sendmsg+0x723/0xbe0 [15293.363958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15293.363958][ T7704] ___sys_sendmsg+0xee/0x170 [15293.363958][ T7704] __sys_sendmsg+0xcd/0x170 [15293.363958][ T7704] do_syscall_64+0xc6/0x1e0 [15293.363958][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15293.363958][ T7704] [15293.365679][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15293.365679][ T7704] neigh_parms_alloc+0x1e5/0x510 [15293.365679][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15293.365679][ T7704] ipv6_find_idev+0x102/0x170 [15293.365679][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15293.365679][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15293.365679][ T7704] netlink_rcv_skb+0x130/0x360 [15293.365679][ T7704] netlink_unicast+0x449/0x710 [15293.365679][ T7704] netlink_sendmsg+0x723/0xbe0 [15293.365679][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15293.365679][ T7704] ___sys_sendmsg+0xee/0x170 [15293.365679][ T7704] __sys_sendmsg+0xcd/0x170 [15293.365679][ T7704] do_syscall_64+0xc6/0x1e0 [15293.365679][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15293.365679][ T7704] [15303.604858][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15303.605421][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15303.605421][ T7704] netdev_get_by_index+0x5e/0x80 [15303.605421][ T7704] fib6_nh_init+0x3d8/0x15b0 [15303.605421][ T7704] ip6_route_info_create+0xf18/0x17d0 [15303.605421][ T7704] ip6_route_add+0x1c/0x140 [15303.605421][ T7704] addrconf_prefix_route+0x2a6/0x430 [15303.605421][ T7704] inet6_addr_add+0x4f8/0xa40 [15303.605421][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15303.605421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15303.605421][ T7704] netlink_rcv_skb+0x130/0x360 [15303.605421][ T7704] netlink_unicast+0x449/0x710 [15303.605421][ T7704] netlink_sendmsg+0x723/0xbe0 [15303.605421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15303.605421][ T7704] ___sys_sendmsg+0xee/0x170 [15303.605421][ T7704] __sys_sendmsg+0xcd/0x170 [15303.605421][ T7704] do_syscall_64+0xc6/0x1e0 [15303.605421][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15303.605421][ T7704] [15303.607908][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15303.607908][ T7704] netdev_get_by_index+0x5e/0x80 [15303.607908][ T7704] fib6_nh_init+0x3d8/0x15b0 [15303.607908][ T7704] ip6_route_info_create+0xf18/0x17d0 [15303.607908][ T7704] addrconf_f6i_alloc+0x315/0x560 [15303.607908][ T7704] ipv6_add_addr+0x411/0x2000 [15303.607908][ T7704] inet6_addr_add+0x30e/0xa40 [15303.607908][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15303.607908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15303.607908][ T7704] netlink_rcv_skb+0x130/0x360 [15303.607908][ T7704] netlink_unicast+0x449/0x710 [15303.607908][ T7704] netlink_sendmsg+0x723/0xbe0 [15303.607908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15303.607908][ T7704] ___sys_sendmsg+0xee/0x170 [15303.607908][ T7704] __sys_sendmsg+0xcd/0x170 [15303.607908][ T7704] do_syscall_64+0xc6/0x1e0 [15303.607908][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15303.607908][ T7704] [15303.610392][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15303.610392][ T7704] netdev_get_by_index+0x5e/0x80 [15303.610392][ T7704] fib6_nh_init+0x3d8/0x15b0 [15303.610392][ T7704] ip6_route_info_create+0xf18/0x17d0 [15303.610392][ T7704] ip6_route_add+0x1c/0x140 [15303.610392][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15303.610392][ T7704] addrconf_add_dev+0xe2/0x170 [15303.610392][ T7704] inet6_addr_add+0x12f/0xa40 [15303.610392][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15303.610392][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15303.610392][ T7704] netlink_rcv_skb+0x130/0x360 [15303.610392][ T7704] netlink_unicast+0x449/0x710 [15303.610392][ T7704] netlink_sendmsg+0x723/0xbe0 [15303.610392][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15303.610392][ T7704] ___sys_sendmsg+0xee/0x170 [15303.610392][ T7704] __sys_sendmsg+0xcd/0x170 [15303.610392][ T7704] do_syscall_64+0xc6/0x1e0 [15303.610392][ T7704] [15303.612792][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15303.612792][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15303.612792][ T7704] ipv6_find_idev+0x102/0x170 [15303.612792][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15303.612792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15303.612792][ T7704] netlink_rcv_skb+0x130/0x360 [15303.612792][ T7704] netlink_unicast+0x449/0x710 [15303.612792][ T7704] netlink_sendmsg+0x723/0xbe0 [15303.612792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15303.612792][ T7704] ___sys_sendmsg+0xee/0x170 [15303.612792][ T7704] __sys_sendmsg+0xcd/0x170 [15303.612792][ T7704] do_syscall_64+0xc6/0x1e0 [15303.612792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15303.612792][ T7704] [15303.614672][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15303.614672][ T7704] neigh_parms_alloc+0x1e5/0x510 [15303.614672][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15303.614672][ T7704] ipv6_find_idev+0x102/0x170 [15303.614672][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15303.614672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15303.614672][ T7704] netlink_rcv_skb+0x130/0x360 [15303.614672][ T7704] netlink_unicast+0x449/0x710 [15303.614672][ T7704] netlink_sendmsg+0x723/0xbe0 [15303.614672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15303.614672][ T7704] ___sys_sendmsg+0xee/0x170 [15303.614672][ T7704] __sys_sendmsg+0xcd/0x170 [15303.614672][ T7704] do_syscall_64+0xc6/0x1e0 [15303.614672][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15303.614672][ T7704] [15313.852840][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15313.853795][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15313.853795][ T7704] netdev_get_by_index+0x5e/0x80 [15313.853795][ T7704] fib6_nh_init+0x3d8/0x15b0 [15313.853795][ T7704] ip6_route_info_create+0xf18/0x17d0 [15313.853795][ T7704] ip6_route_add+0x1c/0x140 [15313.853795][ T7704] addrconf_prefix_route+0x2a6/0x430 [15313.853795][ T7704] inet6_addr_add+0x4f8/0xa40 [15313.853795][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15313.853795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15313.853795][ T7704] netlink_rcv_skb+0x130/0x360 [15313.853795][ T7704] netlink_unicast+0x449/0x710 [15313.853795][ T7704] netlink_sendmsg+0x723/0xbe0 [15313.853795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15313.853795][ T7704] ___sys_sendmsg+0xee/0x170 [15313.853795][ T7704] __sys_sendmsg+0xcd/0x170 [15313.853795][ T7704] do_syscall_64+0xc6/0x1e0 [15313.853795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15313.853795][ T7704] [15313.856302][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15313.856302][ T7704] netdev_get_by_index+0x5e/0x80 [15313.856302][ T7704] fib6_nh_init+0x3d8/0x15b0 [15313.856302][ T7704] ip6_route_info_create+0xf18/0x17d0 [15313.856302][ T7704] addrconf_f6i_alloc+0x315/0x560 [15313.856302][ T7704] ipv6_add_addr+0x411/0x2000 [15313.856302][ T7704] inet6_addr_add+0x30e/0xa40 [15313.856302][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15313.856302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15313.856302][ T7704] netlink_rcv_skb+0x130/0x360 [15313.856302][ T7704] netlink_unicast+0x449/0x710 [15313.856302][ T7704] netlink_sendmsg+0x723/0xbe0 [15313.856302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15313.856302][ T7704] ___sys_sendmsg+0xee/0x170 [15313.856302][ T7704] __sys_sendmsg+0xcd/0x170 [15313.856302][ T7704] do_syscall_64+0xc6/0x1e0 [15313.856302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15313.856302][ T7704] [15313.858758][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15313.858758][ T7704] netdev_get_by_index+0x5e/0x80 [15313.858758][ T7704] fib6_nh_init+0x3d8/0x15b0 [15313.858758][ T7704] ip6_route_info_create+0xf18/0x17d0 [15313.858758][ T7704] ip6_route_add+0x1c/0x140 [15313.858758][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15313.858758][ T7704] addrconf_add_dev+0xe2/0x170 [15313.858758][ T7704] inet6_addr_add+0x12f/0xa40 [15313.858758][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15313.858758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15313.858758][ T7704] netlink_rcv_skb+0x130/0x360 [15313.858758][ T7704] netlink_unicast+0x449/0x710 [15313.858758][ T7704] netlink_sendmsg+0x723/0xbe0 [15313.858758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15313.858758][ T7704] ___sys_sendmsg+0xee/0x170 [15313.858758][ T7704] __sys_sendmsg+0xcd/0x170 [15313.858758][ T7704] do_syscall_64+0xc6/0x1e0 [15313.858758][ T7704] [15313.861186][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15313.861186][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15313.861186][ T7704] ipv6_find_idev+0x102/0x170 [15313.861186][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15313.861186][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15313.861186][ T7704] netlink_rcv_skb+0x130/0x360 [15313.861186][ T7704] netlink_unicast+0x449/0x710 [15313.861186][ T7704] netlink_sendmsg+0x723/0xbe0 [15313.861186][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15313.861186][ T7704] ___sys_sendmsg+0xee/0x170 [15313.861186][ T7704] __sys_sendmsg+0xcd/0x170 [15313.861186][ T7704] do_syscall_64+0xc6/0x1e0 [15313.861186][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15313.861186][ T7704] [15313.863078][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15313.863078][ T7704] neigh_parms_alloc+0x1e5/0x510 [15313.863078][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15313.863078][ T7704] ipv6_find_idev+0x102/0x170 [15313.863078][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15313.863078][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15313.863078][ T7704] netlink_rcv_skb+0x130/0x360 [15313.863078][ T7704] netlink_unicast+0x449/0x710 [15313.863078][ T7704] netlink_sendmsg+0x723/0xbe0 [15313.863078][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15313.863078][ T7704] ___sys_sendmsg+0xee/0x170 [15313.863078][ T7704] __sys_sendmsg+0xcd/0x170 [15313.863078][ T7704] do_syscall_64+0xc6/0x1e0 [15313.863078][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15313.863078][ T7704] [15324.100883][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15324.101446][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15324.101446][ T7704] netdev_get_by_index+0x5e/0x80 [15324.101446][ T7704] fib6_nh_init+0x3d8/0x15b0 [15324.101446][ T7704] ip6_route_info_create+0xf18/0x17d0 [15324.101446][ T7704] ip6_route_add+0x1c/0x140 [15324.101446][ T7704] addrconf_prefix_route+0x2a6/0x430 [15324.101446][ T7704] inet6_addr_add+0x4f8/0xa40 [15324.101446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15324.101446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15324.101446][ T7704] netlink_rcv_skb+0x130/0x360 [15324.101446][ T7704] netlink_unicast+0x449/0x710 [15324.101446][ T7704] netlink_sendmsg+0x723/0xbe0 [15324.101446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15324.101446][ T7704] ___sys_sendmsg+0xee/0x170 [15324.101446][ T7704] __sys_sendmsg+0xcd/0x170 [15324.101446][ T7704] do_syscall_64+0xc6/0x1e0 [15324.101446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15324.101446][ T7704] [15324.103708][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15324.103708][ T7704] netdev_get_by_index+0x5e/0x80 [15324.103708][ T7704] fib6_nh_init+0x3d8/0x15b0 [15324.103708][ T7704] ip6_route_info_create+0xf18/0x17d0 [15324.103708][ T7704] addrconf_f6i_alloc+0x315/0x560 [15324.103708][ T7704] ipv6_add_addr+0x411/0x2000 [15324.103708][ T7704] inet6_addr_add+0x30e/0xa40 [15324.103708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15324.103708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15324.103708][ T7704] netlink_rcv_skb+0x130/0x360 [15324.103708][ T7704] netlink_unicast+0x449/0x710 [15324.103708][ T7704] netlink_sendmsg+0x723/0xbe0 [15324.103708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15324.103708][ T7704] ___sys_sendmsg+0xee/0x170 [15324.103708][ T7704] __sys_sendmsg+0xcd/0x170 [15324.103708][ T7704] do_syscall_64+0xc6/0x1e0 [15324.103708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15324.103708][ T7704] [15324.105966][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15324.105966][ T7704] netdev_get_by_index+0x5e/0x80 [15324.105966][ T7704] fib6_nh_init+0x3d8/0x15b0 [15324.105966][ T7704] ip6_route_info_create+0xf18/0x17d0 [15324.105966][ T7704] ip6_route_add+0x1c/0x140 [15324.105966][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15324.105966][ T7704] addrconf_add_dev+0xe2/0x170 [15324.105966][ T7704] inet6_addr_add+0x12f/0xa40 [15324.105966][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15324.105966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15324.105966][ T7704] netlink_rcv_skb+0x130/0x360 [15324.105966][ T7704] netlink_unicast+0x449/0x710 [15324.105966][ T7704] netlink_sendmsg+0x723/0xbe0 [15324.105966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15324.105966][ T7704] ___sys_sendmsg+0xee/0x170 [15324.105966][ T7704] __sys_sendmsg+0xcd/0x170 [15324.105966][ T7704] do_syscall_64+0xc6/0x1e0 [15324.105966][ T7704] [15324.108188][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15324.108188][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15324.108188][ T7704] ipv6_find_idev+0x102/0x170 [15324.108188][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15324.108188][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15324.108188][ T7704] netlink_rcv_skb+0x130/0x360 [15324.108188][ T7704] netlink_unicast+0x449/0x710 [15324.108188][ T7704] netlink_sendmsg+0x723/0xbe0 [15324.108188][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15324.108188][ T7704] ___sys_sendmsg+0xee/0x170 [15324.108188][ T7704] __sys_sendmsg+0xcd/0x170 [15324.108188][ T7704] do_syscall_64+0xc6/0x1e0 [15324.108188][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15324.108188][ T7704] [15324.109939][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15324.109939][ T7704] neigh_parms_alloc+0x1e5/0x510 [15324.109939][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15324.109939][ T7704] ipv6_find_idev+0x102/0x170 [15324.109939][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15324.109939][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15324.109939][ T7704] netlink_rcv_skb+0x130/0x360 [15324.109939][ T7704] netlink_unicast+0x449/0x710 [15324.109939][ T7704] netlink_sendmsg+0x723/0xbe0 [15324.109939][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15324.109939][ T7704] ___sys_sendmsg+0xee/0x170 [15324.109939][ T7704] __sys_sendmsg+0xcd/0x170 [15324.109939][ T7704] do_syscall_64+0xc6/0x1e0 [15324.109939][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15324.109939][ T7704] [15334.364814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15334.365320][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15334.365320][ T7704] netdev_get_by_index+0x5e/0x80 [15334.365320][ T7704] fib6_nh_init+0x3d8/0x15b0 [15334.365320][ T7704] ip6_route_info_create+0xf18/0x17d0 [15334.365320][ T7704] ip6_route_add+0x1c/0x140 [15334.365320][ T7704] addrconf_prefix_route+0x2a6/0x430 [15334.365320][ T7704] inet6_addr_add+0x4f8/0xa40 [15334.365320][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15334.365320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15334.365320][ T7704] netlink_rcv_skb+0x130/0x360 [15334.365320][ T7704] netlink_unicast+0x449/0x710 [15334.365320][ T7704] netlink_sendmsg+0x723/0xbe0 [15334.365320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15334.365320][ T7704] ___sys_sendmsg+0xee/0x170 [15334.365320][ T7704] __sys_sendmsg+0xcd/0x170 [15334.365320][ T7704] do_syscall_64+0xc6/0x1e0 [15334.365320][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15334.365320][ T7704] [15334.367595][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15334.367595][ T7704] netdev_get_by_index+0x5e/0x80 [15334.367595][ T7704] fib6_nh_init+0x3d8/0x15b0 [15334.367595][ T7704] ip6_route_info_create+0xf18/0x17d0 [15334.367595][ T7704] addrconf_f6i_alloc+0x315/0x560 [15334.367595][ T7704] ipv6_add_addr+0x411/0x2000 [15334.367595][ T7704] inet6_addr_add+0x30e/0xa40 [15334.367595][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15334.367595][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15334.367595][ T7704] netlink_rcv_skb+0x130/0x360 [15334.367595][ T7704] netlink_unicast+0x449/0x710 [15334.367595][ T7704] netlink_sendmsg+0x723/0xbe0 [15334.367595][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15334.367595][ T7704] ___sys_sendmsg+0xee/0x170 [15334.367595][ T7704] __sys_sendmsg+0xcd/0x170 [15334.367595][ T7704] do_syscall_64+0xc6/0x1e0 [15334.367595][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15334.367595][ T7704] [15334.369855][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15334.369855][ T7704] netdev_get_by_index+0x5e/0x80 [15334.369855][ T7704] fib6_nh_init+0x3d8/0x15b0 [15334.369855][ T7704] ip6_route_info_create+0xf18/0x17d0 [15334.369855][ T7704] ip6_route_add+0x1c/0x140 [15334.369855][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15334.369855][ T7704] addrconf_add_dev+0xe2/0x170 [15334.369855][ T7704] inet6_addr_add+0x12f/0xa40 [15334.369855][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15334.369855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15334.369855][ T7704] netlink_rcv_skb+0x130/0x360 [15334.369855][ T7704] netlink_unicast+0x449/0x710 [15334.369855][ T7704] netlink_sendmsg+0x723/0xbe0 [15334.369855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15334.369855][ T7704] ___sys_sendmsg+0xee/0x170 [15334.369855][ T7704] __sys_sendmsg+0xcd/0x170 [15334.369855][ T7704] do_syscall_64+0xc6/0x1e0 [15334.369855][ T7704] [15334.372063][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15334.372063][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15334.372063][ T7704] ipv6_find_idev+0x102/0x170 [15334.372063][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15334.372063][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15334.372063][ T7704] netlink_rcv_skb+0x130/0x360 [15334.372063][ T7704] netlink_unicast+0x449/0x710 [15334.372063][ T7704] netlink_sendmsg+0x723/0xbe0 [15334.372063][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15334.372063][ T7704] ___sys_sendmsg+0xee/0x170 [15334.372063][ T7704] __sys_sendmsg+0xcd/0x170 [15334.372063][ T7704] do_syscall_64+0xc6/0x1e0 [15334.372063][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15334.372063][ T7704] [15334.373784][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15334.373784][ T7704] neigh_parms_alloc+0x1e5/0x510 [15334.373784][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15334.373784][ T7704] ipv6_find_idev+0x102/0x170 [15334.373784][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15334.373784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15334.373784][ T7704] netlink_rcv_skb+0x130/0x360 [15334.373784][ T7704] netlink_unicast+0x449/0x710 [15334.373784][ T7704] netlink_sendmsg+0x723/0xbe0 [15334.373784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15334.373784][ T7704] ___sys_sendmsg+0xee/0x170 [15334.373784][ T7704] __sys_sendmsg+0xcd/0x170 [15334.373784][ T7704] do_syscall_64+0xc6/0x1e0 [15334.373784][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15334.373784][ T7704] [15344.612836][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15344.613340][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15344.613340][ T7704] netdev_get_by_index+0x5e/0x80 [15344.613340][ T7704] fib6_nh_init+0x3d8/0x15b0 [15344.613340][ T7704] ip6_route_info_create+0xf18/0x17d0 [15344.613340][ T7704] ip6_route_add+0x1c/0x140 [15344.613340][ T7704] addrconf_prefix_route+0x2a6/0x430 [15344.613340][ T7704] inet6_addr_add+0x4f8/0xa40 [15344.613340][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15344.613340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15344.613340][ T7704] netlink_rcv_skb+0x130/0x360 [15344.613340][ T7704] netlink_unicast+0x449/0x710 [15344.613340][ T7704] netlink_sendmsg+0x723/0xbe0 [15344.613340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15344.613340][ T7704] ___sys_sendmsg+0xee/0x170 [15344.613340][ T7704] __sys_sendmsg+0xcd/0x170 [15344.613340][ T7704] do_syscall_64+0xc6/0x1e0 [15344.613340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15344.613340][ T7704] [15344.615601][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15344.615601][ T7704] netdev_get_by_index+0x5e/0x80 [15344.615601][ T7704] fib6_nh_init+0x3d8/0x15b0 [15344.615601][ T7704] ip6_route_info_create+0xf18/0x17d0 [15344.615601][ T7704] addrconf_f6i_alloc+0x315/0x560 [15344.615601][ T7704] ipv6_add_addr+0x411/0x2000 [15344.615601][ T7704] inet6_addr_add+0x30e/0xa40 [15344.615601][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15344.615601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15344.615601][ T7704] netlink_rcv_skb+0x130/0x360 [15344.615601][ T7704] netlink_unicast+0x449/0x710 [15344.615601][ T7704] netlink_sendmsg+0x723/0xbe0 [15344.615601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15344.615601][ T7704] ___sys_sendmsg+0xee/0x170 [15344.615601][ T7704] __sys_sendmsg+0xcd/0x170 [15344.615601][ T7704] do_syscall_64+0xc6/0x1e0 [15344.615601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15344.615601][ T7704] [15344.617843][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15344.617843][ T7704] netdev_get_by_index+0x5e/0x80 [15344.617843][ T7704] fib6_nh_init+0x3d8/0x15b0 [15344.617843][ T7704] ip6_route_info_create+0xf18/0x17d0 [15344.617843][ T7704] ip6_route_add+0x1c/0x140 [15344.617843][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15344.617843][ T7704] addrconf_add_dev+0xe2/0x170 [15344.617843][ T7704] inet6_addr_add+0x12f/0xa40 [15344.617843][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15344.617843][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15344.617843][ T7704] netlink_rcv_skb+0x130/0x360 [15344.617843][ T7704] netlink_unicast+0x449/0x710 [15344.617843][ T7704] netlink_sendmsg+0x723/0xbe0 [15344.617843][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15344.617843][ T7704] ___sys_sendmsg+0xee/0x170 [15344.617843][ T7704] __sys_sendmsg+0xcd/0x170 [15344.617843][ T7704] do_syscall_64+0xc6/0x1e0 [15344.617843][ T7704] [15344.620060][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15344.620060][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15344.620060][ T7704] ipv6_find_idev+0x102/0x170 [15344.620060][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15344.620060][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15344.620060][ T7704] netlink_rcv_skb+0x130/0x360 [15344.620060][ T7704] netlink_unicast+0x449/0x710 [15344.620060][ T7704] netlink_sendmsg+0x723/0xbe0 [15344.620060][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15344.620060][ T7704] ___sys_sendmsg+0xee/0x170 [15344.620060][ T7704] __sys_sendmsg+0xcd/0x170 [15344.620060][ T7704] do_syscall_64+0xc6/0x1e0 [15344.620060][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15344.620060][ T7704] [15344.621783][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15344.621783][ T7704] neigh_parms_alloc+0x1e5/0x510 [15344.621783][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15344.621783][ T7704] ipv6_find_idev+0x102/0x170 [15344.621783][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15344.621783][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15344.621783][ T7704] netlink_rcv_skb+0x130/0x360 [15344.621783][ T7704] netlink_unicast+0x449/0x710 [15344.621783][ T7704] netlink_sendmsg+0x723/0xbe0 [15344.621783][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15344.621783][ T7704] ___sys_sendmsg+0xee/0x170 [15344.621783][ T7704] __sys_sendmsg+0xcd/0x170 [15344.621783][ T7704] do_syscall_64+0xc6/0x1e0 [15344.621783][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15344.621783][ T7704] [15354.860847][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15354.861356][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15354.861356][ T7704] netdev_get_by_index+0x5e/0x80 [15354.861356][ T7704] fib6_nh_init+0x3d8/0x15b0 [15354.861356][ T7704] ip6_route_info_create+0xf18/0x17d0 [15354.861356][ T7704] ip6_route_add+0x1c/0x140 [15354.861356][ T7704] addrconf_prefix_route+0x2a6/0x430 [15354.861356][ T7704] inet6_addr_add+0x4f8/0xa40 [15354.861356][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15354.861356][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15354.861356][ T7704] netlink_rcv_skb+0x130/0x360 [15354.861356][ T7704] netlink_unicast+0x449/0x710 [15354.861356][ T7704] netlink_sendmsg+0x723/0xbe0 [15354.861356][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15354.861356][ T7704] ___sys_sendmsg+0xee/0x170 [15354.861356][ T7704] __sys_sendmsg+0xcd/0x170 [15354.861356][ T7704] do_syscall_64+0xc6/0x1e0 [15354.861356][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15354.861356][ T7704] [15354.863657][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15354.863657][ T7704] netdev_get_by_index+0x5e/0x80 [15354.863657][ T7704] fib6_nh_init+0x3d8/0x15b0 [15354.863657][ T7704] ip6_route_info_create+0xf18/0x17d0 [15354.863657][ T7704] addrconf_f6i_alloc+0x315/0x560 [15354.863657][ T7704] ipv6_add_addr+0x411/0x2000 [15354.863657][ T7704] inet6_addr_add+0x30e/0xa40 [15354.863657][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15354.863657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15354.863657][ T7704] netlink_rcv_skb+0x130/0x360 [15354.863657][ T7704] netlink_unicast+0x449/0x710 [15354.863657][ T7704] netlink_sendmsg+0x723/0xbe0 [15354.863657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15354.863657][ T7704] ___sys_sendmsg+0xee/0x170 [15354.863657][ T7704] __sys_sendmsg+0xcd/0x170 [15354.863657][ T7704] do_syscall_64+0xc6/0x1e0 [15354.863657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15354.863657][ T7704] [15354.865904][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15354.865904][ T7704] netdev_get_by_index+0x5e/0x80 [15354.865904][ T7704] fib6_nh_init+0x3d8/0x15b0 [15354.865904][ T7704] ip6_route_info_create+0xf18/0x17d0 [15354.865904][ T7704] ip6_route_add+0x1c/0x140 [15354.865904][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15354.865904][ T7704] addrconf_add_dev+0xe2/0x170 [15354.865904][ T7704] inet6_addr_add+0x12f/0xa40 [15354.865904][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15354.865904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15354.865904][ T7704] netlink_rcv_skb+0x130/0x360 [15354.865904][ T7704] netlink_unicast+0x449/0x710 [15354.865904][ T7704] netlink_sendmsg+0x723/0xbe0 [15354.865904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15354.865904][ T7704] ___sys_sendmsg+0xee/0x170 [15354.865904][ T7704] __sys_sendmsg+0xcd/0x170 [15354.865904][ T7704] do_syscall_64+0xc6/0x1e0 [15354.865904][ T7704] [15354.868105][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15354.868105][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15354.868105][ T7704] ipv6_find_idev+0x102/0x170 [15354.868105][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15354.868105][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15354.868105][ T7704] netlink_rcv_skb+0x130/0x360 [15354.868105][ T7704] netlink_unicast+0x449/0x710 [15354.868105][ T7704] netlink_sendmsg+0x723/0xbe0 [15354.868105][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15354.868105][ T7704] ___sys_sendmsg+0xee/0x170 [15354.868105][ T7704] __sys_sendmsg+0xcd/0x170 [15354.868105][ T7704] do_syscall_64+0xc6/0x1e0 [15354.868105][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15354.868105][ T7704] [15354.869844][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15354.869844][ T7704] neigh_parms_alloc+0x1e5/0x510 [15354.869844][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15354.869844][ T7704] ipv6_find_idev+0x102/0x170 [15354.869844][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15354.869844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15354.869844][ T7704] netlink_rcv_skb+0x130/0x360 [15354.869844][ T7704] netlink_unicast+0x449/0x710 [15354.869844][ T7704] netlink_sendmsg+0x723/0xbe0 [15354.869844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15354.869844][ T7704] ___sys_sendmsg+0xee/0x170 [15354.869844][ T7704] __sys_sendmsg+0xcd/0x170 [15354.869844][ T7704] do_syscall_64+0xc6/0x1e0 [15354.869844][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15354.869844][ T7704] [15365.108830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15365.109329][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15365.109329][ T7704] netdev_get_by_index+0x5e/0x80 [15365.109329][ T7704] fib6_nh_init+0x3d8/0x15b0 [15365.109329][ T7704] ip6_route_info_create+0xf18/0x17d0 [15365.109329][ T7704] ip6_route_add+0x1c/0x140 [15365.109329][ T7704] addrconf_prefix_route+0x2a6/0x430 [15365.109329][ T7704] inet6_addr_add+0x4f8/0xa40 [15365.109329][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15365.109329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15365.109329][ T7704] netlink_rcv_skb+0x130/0x360 [15365.109329][ T7704] netlink_unicast+0x449/0x710 [15365.109329][ T7704] netlink_sendmsg+0x723/0xbe0 [15365.109329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15365.109329][ T7704] ___sys_sendmsg+0xee/0x170 [15365.109329][ T7704] __sys_sendmsg+0xcd/0x170 [15365.109329][ T7704] do_syscall_64+0xc6/0x1e0 [15365.109329][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15365.109329][ T7704] [15365.111611][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15365.111611][ T7704] netdev_get_by_index+0x5e/0x80 [15365.111611][ T7704] fib6_nh_init+0x3d8/0x15b0 [15365.111611][ T7704] ip6_route_info_create+0xf18/0x17d0 [15365.111611][ T7704] addrconf_f6i_alloc+0x315/0x560 [15365.111611][ T7704] ipv6_add_addr+0x411/0x2000 [15365.111611][ T7704] inet6_addr_add+0x30e/0xa40 [15365.111611][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15365.111611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15365.111611][ T7704] netlink_rcv_skb+0x130/0x360 [15365.111611][ T7704] netlink_unicast+0x449/0x710 [15365.111611][ T7704] netlink_sendmsg+0x723/0xbe0 [15365.111611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15365.111611][ T7704] ___sys_sendmsg+0xee/0x170 [15365.111611][ T7704] __sys_sendmsg+0xcd/0x170 [15365.111611][ T7704] do_syscall_64+0xc6/0x1e0 [15365.111611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15365.111611][ T7704] [15365.113845][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15365.113845][ T7704] netdev_get_by_index+0x5e/0x80 [15365.113845][ T7704] fib6_nh_init+0x3d8/0x15b0 [15365.113845][ T7704] ip6_route_info_create+0xf18/0x17d0 [15365.113845][ T7704] ip6_route_add+0x1c/0x140 [15365.113845][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15365.113845][ T7704] addrconf_add_dev+0xe2/0x170 [15365.113845][ T7704] inet6_addr_add+0x12f/0xa40 [15365.113845][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15365.113845][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15365.113845][ T7704] netlink_rcv_skb+0x130/0x360 [15365.113845][ T7704] netlink_unicast+0x449/0x710 [15365.113845][ T7704] netlink_sendmsg+0x723/0xbe0 [15365.113845][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15365.113845][ T7704] ___sys_sendmsg+0xee/0x170 [15365.113845][ T7704] __sys_sendmsg+0xcd/0x170 [15365.113845][ T7704] do_syscall_64+0xc6/0x1e0 [15365.113845][ T7704] [15365.116052][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15365.116052][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15365.116052][ T7704] ipv6_find_idev+0x102/0x170 [15365.116052][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15365.116052][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15365.116052][ T7704] netlink_rcv_skb+0x130/0x360 [15365.116052][ T7704] netlink_unicast+0x449/0x710 [15365.116052][ T7704] netlink_sendmsg+0x723/0xbe0 [15365.116052][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15365.116052][ T7704] ___sys_sendmsg+0xee/0x170 [15365.116052][ T7704] __sys_sendmsg+0xcd/0x170 [15365.116052][ T7704] do_syscall_64+0xc6/0x1e0 [15365.116052][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15365.116052][ T7704] [15365.117777][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15365.117777][ T7704] neigh_parms_alloc+0x1e5/0x510 [15365.117777][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15365.117777][ T7704] ipv6_find_idev+0x102/0x170 [15365.117777][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15365.117777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15365.117777][ T7704] netlink_rcv_skb+0x130/0x360 [15365.117777][ T7704] netlink_unicast+0x449/0x710 [15365.117777][ T7704] netlink_sendmsg+0x723/0xbe0 [15365.117777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15365.117777][ T7704] ___sys_sendmsg+0xee/0x170 [15365.117777][ T7704] __sys_sendmsg+0xcd/0x170 [15365.117777][ T7704] do_syscall_64+0xc6/0x1e0 [15365.117777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15365.117777][ T7704] [15375.356821][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15375.357346][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15375.357346][ T7704] netdev_get_by_index+0x5e/0x80 [15375.357346][ T7704] fib6_nh_init+0x3d8/0x15b0 [15375.357346][ T7704] ip6_route_info_create+0xf18/0x17d0 [15375.357346][ T7704] ip6_route_add+0x1c/0x140 [15375.357346][ T7704] addrconf_prefix_route+0x2a6/0x430 [15375.357346][ T7704] inet6_addr_add+0x4f8/0xa40 [15375.357346][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15375.357346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15375.357346][ T7704] netlink_rcv_skb+0x130/0x360 [15375.357346][ T7704] netlink_unicast+0x449/0x710 [15375.357346][ T7704] netlink_sendmsg+0x723/0xbe0 [15375.357346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15375.357346][ T7704] ___sys_sendmsg+0xee/0x170 [15375.357346][ T7704] __sys_sendmsg+0xcd/0x170 [15375.357346][ T7704] do_syscall_64+0xc6/0x1e0 [15375.357346][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15375.357346][ T7704] [15375.359638][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15375.359638][ T7704] netdev_get_by_index+0x5e/0x80 [15375.359638][ T7704] fib6_nh_init+0x3d8/0x15b0 [15375.359638][ T7704] ip6_route_info_create+0xf18/0x17d0 [15375.359638][ T7704] addrconf_f6i_alloc+0x315/0x560 [15375.359638][ T7704] ipv6_add_addr+0x411/0x2000 [15375.359638][ T7704] inet6_addr_add+0x30e/0xa40 [15375.359638][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15375.359638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15375.359638][ T7704] netlink_rcv_skb+0x130/0x360 [15375.359638][ T7704] netlink_unicast+0x449/0x710 [15375.359638][ T7704] netlink_sendmsg+0x723/0xbe0 [15375.359638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15375.359638][ T7704] ___sys_sendmsg+0xee/0x170 [15375.359638][ T7704] __sys_sendmsg+0xcd/0x170 [15375.359638][ T7704] do_syscall_64+0xc6/0x1e0 [15375.359638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15375.359638][ T7704] [15375.361878][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15375.361878][ T7704] netdev_get_by_index+0x5e/0x80 [15375.361878][ T7704] fib6_nh_init+0x3d8/0x15b0 [15375.361878][ T7704] ip6_route_info_create+0xf18/0x17d0 [15375.361878][ T7704] ip6_route_add+0x1c/0x140 [15375.361878][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15375.361878][ T7704] addrconf_add_dev+0xe2/0x170 [15375.361878][ T7704] inet6_addr_add+0x12f/0xa40 [15375.361878][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15375.361878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15375.361878][ T7704] netlink_rcv_skb+0x130/0x360 [15375.361878][ T7704] netlink_unicast+0x449/0x710 [15375.361878][ T7704] netlink_sendmsg+0x723/0xbe0 [15375.361878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15375.361878][ T7704] ___sys_sendmsg+0xee/0x170 [15375.361878][ T7704] __sys_sendmsg+0xcd/0x170 [15375.361878][ T7704] do_syscall_64+0xc6/0x1e0 [15375.361878][ T7704] [15375.364076][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15375.364076][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15375.364076][ T7704] ipv6_find_idev+0x102/0x170 [15375.364076][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15375.364076][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15375.364076][ T7704] netlink_rcv_skb+0x130/0x360 [15375.364076][ T7704] netlink_unicast+0x449/0x710 [15375.364076][ T7704] netlink_sendmsg+0x723/0xbe0 [15375.364076][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15375.364076][ T7704] ___sys_sendmsg+0xee/0x170 [15375.364076][ T7704] __sys_sendmsg+0xcd/0x170 [15375.364076][ T7704] do_syscall_64+0xc6/0x1e0 [15375.364076][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15375.364076][ T7704] [15375.366327][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15375.366327][ T7704] neigh_parms_alloc+0x1e5/0x510 [15375.366327][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15375.366327][ T7704] ipv6_find_idev+0x102/0x170 [15375.366327][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15375.366327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15375.366327][ T7704] netlink_rcv_skb+0x130/0x360 [15375.366327][ T7704] netlink_unicast+0x449/0x710 [15375.366327][ T7704] netlink_sendmsg+0x723/0xbe0 [15375.366327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15375.366327][ T7704] ___sys_sendmsg+0xee/0x170 [15375.366327][ T7704] __sys_sendmsg+0xcd/0x170 [15375.366327][ T7704] do_syscall_64+0xc6/0x1e0 [15375.366327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15375.366327][ T7704] [15385.604865][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15385.605369][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15385.605369][ T7704] netdev_get_by_index+0x5e/0x80 [15385.605369][ T7704] fib6_nh_init+0x3d8/0x15b0 [15385.605369][ T7704] ip6_route_info_create+0xf18/0x17d0 [15385.605369][ T7704] ip6_route_add+0x1c/0x140 [15385.605369][ T7704] addrconf_prefix_route+0x2a6/0x430 [15385.605369][ T7704] inet6_addr_add+0x4f8/0xa40 [15385.605369][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15385.605369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15385.605369][ T7704] netlink_rcv_skb+0x130/0x360 [15385.605369][ T7704] netlink_unicast+0x449/0x710 [15385.605369][ T7704] netlink_sendmsg+0x723/0xbe0 [15385.605369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15385.605369][ T7704] ___sys_sendmsg+0xee/0x170 [15385.605369][ T7704] __sys_sendmsg+0xcd/0x170 [15385.605369][ T7704] do_syscall_64+0xc6/0x1e0 [15385.605369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15385.605369][ T7704] [15385.607627][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15385.607627][ T7704] netdev_get_by_index+0x5e/0x80 [15385.607627][ T7704] fib6_nh_init+0x3d8/0x15b0 [15385.607627][ T7704] ip6_route_info_create+0xf18/0x17d0 [15385.607627][ T7704] addrconf_f6i_alloc+0x315/0x560 [15385.607627][ T7704] ipv6_add_addr+0x411/0x2000 [15385.607627][ T7704] inet6_addr_add+0x30e/0xa40 [15385.607627][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15385.607627][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15385.607627][ T7704] netlink_rcv_skb+0x130/0x360 [15385.607627][ T7704] netlink_unicast+0x449/0x710 [15385.607627][ T7704] netlink_sendmsg+0x723/0xbe0 [15385.607627][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15385.607627][ T7704] ___sys_sendmsg+0xee/0x170 [15385.607627][ T7704] __sys_sendmsg+0xcd/0x170 [15385.607627][ T7704] do_syscall_64+0xc6/0x1e0 [15385.607627][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15385.607627][ T7704] [15385.609889][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15385.609889][ T7704] netdev_get_by_index+0x5e/0x80 [15385.609889][ T7704] fib6_nh_init+0x3d8/0x15b0 [15385.609889][ T7704] ip6_route_info_create+0xf18/0x17d0 [15385.609889][ T7704] ip6_route_add+0x1c/0x140 [15385.609889][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15385.609889][ T7704] addrconf_add_dev+0xe2/0x170 [15385.609889][ T7704] inet6_addr_add+0x12f/0xa40 [15385.609889][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15385.609889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15385.609889][ T7704] netlink_rcv_skb+0x130/0x360 [15385.609889][ T7704] netlink_unicast+0x449/0x710 [15385.609889][ T7704] netlink_sendmsg+0x723/0xbe0 [15385.609889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15385.609889][ T7704] ___sys_sendmsg+0xee/0x170 [15385.609889][ T7704] __sys_sendmsg+0xcd/0x170 [15385.609889][ T7704] do_syscall_64+0xc6/0x1e0 [15385.609889][ T7704] [15385.612086][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15385.612086][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15385.612086][ T7704] ipv6_find_idev+0x102/0x170 [15385.612086][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15385.612086][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15385.612086][ T7704] netlink_rcv_skb+0x130/0x360 [15385.612086][ T7704] netlink_unicast+0x449/0x710 [15385.612086][ T7704] netlink_sendmsg+0x723/0xbe0 [15385.612086][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15385.612086][ T7704] ___sys_sendmsg+0xee/0x170 [15385.612086][ T7704] __sys_sendmsg+0xcd/0x170 [15385.612086][ T7704] do_syscall_64+0xc6/0x1e0 [15385.612086][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15385.612086][ T7704] [15385.613810][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15385.613810][ T7704] neigh_parms_alloc+0x1e5/0x510 [15385.613810][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15385.613810][ T7704] ipv6_find_idev+0x102/0x170 [15385.613810][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15385.613810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15385.613810][ T7704] netlink_rcv_skb+0x130/0x360 [15385.613810][ T7704] netlink_unicast+0x449/0x710 [15385.613810][ T7704] netlink_sendmsg+0x723/0xbe0 [15385.613810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15385.613810][ T7704] ___sys_sendmsg+0xee/0x170 [15385.613810][ T7704] __sys_sendmsg+0xcd/0x170 [15385.613810][ T7704] do_syscall_64+0xc6/0x1e0 [15385.613810][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15385.613810][ T7704] [15395.748824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15395.749329][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15395.749329][ T7704] netdev_get_by_index+0x5e/0x80 [15395.749329][ T7704] fib6_nh_init+0x3d8/0x15b0 [15395.749329][ T7704] ip6_route_info_create+0xf18/0x17d0 [15395.749329][ T7704] ip6_route_add+0x1c/0x140 [15395.749329][ T7704] addrconf_prefix_route+0x2a6/0x430 [15395.749329][ T7704] inet6_addr_add+0x4f8/0xa40 [15395.749329][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15395.749329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15395.749329][ T7704] netlink_rcv_skb+0x130/0x360 [15395.749329][ T7704] netlink_unicast+0x449/0x710 [15395.749329][ T7704] netlink_sendmsg+0x723/0xbe0 [15395.749329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15395.749329][ T7704] ___sys_sendmsg+0xee/0x170 [15395.749329][ T7704] __sys_sendmsg+0xcd/0x170 [15395.749329][ T7704] do_syscall_64+0xc6/0x1e0 [15395.749329][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15395.749329][ T7704] [15395.751611][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15395.751611][ T7704] netdev_get_by_index+0x5e/0x80 [15395.751611][ T7704] fib6_nh_init+0x3d8/0x15b0 [15395.751611][ T7704] ip6_route_info_create+0xf18/0x17d0 [15395.751611][ T7704] addrconf_f6i_alloc+0x315/0x560 [15395.751611][ T7704] ipv6_add_addr+0x411/0x2000 [15395.751611][ T7704] inet6_addr_add+0x30e/0xa40 [15395.751611][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15395.751611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15395.751611][ T7704] netlink_rcv_skb+0x130/0x360 [15395.751611][ T7704] netlink_unicast+0x449/0x710 [15395.751611][ T7704] netlink_sendmsg+0x723/0xbe0 [15395.751611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15395.751611][ T7704] ___sys_sendmsg+0xee/0x170 [15395.751611][ T7704] __sys_sendmsg+0xcd/0x170 [15395.751611][ T7704] do_syscall_64+0xc6/0x1e0 [15395.751611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15395.751611][ T7704] [15395.753859][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15395.753859][ T7704] netdev_get_by_index+0x5e/0x80 [15395.753859][ T7704] fib6_nh_init+0x3d8/0x15b0 [15395.753859][ T7704] ip6_route_info_create+0xf18/0x17d0 [15395.753859][ T7704] ip6_route_add+0x1c/0x140 [15395.753859][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15395.753859][ T7704] addrconf_add_dev+0xe2/0x170 [15395.753859][ T7704] inet6_addr_add+0x12f/0xa40 [15395.753859][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15395.753859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15395.753859][ T7704] netlink_rcv_skb+0x130/0x360 [15395.753859][ T7704] netlink_unicast+0x449/0x710 [15395.753859][ T7704] netlink_sendmsg+0x723/0xbe0 [15395.753859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15395.753859][ T7704] ___sys_sendmsg+0xee/0x170 [15395.753859][ T7704] __sys_sendmsg+0xcd/0x170 [15395.753859][ T7704] do_syscall_64+0xc6/0x1e0 [15395.753859][ T7704] [15395.756107][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15395.756107][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15395.756107][ T7704] ipv6_find_idev+0x102/0x170 [15395.756107][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15395.756107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15395.756107][ T7704] netlink_rcv_skb+0x130/0x360 [15395.756107][ T7704] netlink_unicast+0x449/0x710 [15395.756107][ T7704] netlink_sendmsg+0x723/0xbe0 [15395.756107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15395.756107][ T7704] ___sys_sendmsg+0xee/0x170 [15395.756107][ T7704] __sys_sendmsg+0xcd/0x170 [15395.756107][ T7704] do_syscall_64+0xc6/0x1e0 [15395.756107][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15395.756107][ T7704] [15395.757850][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15395.757850][ T7704] neigh_parms_alloc+0x1e5/0x510 [15395.757850][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15395.757850][ T7704] ipv6_find_idev+0x102/0x170 [15395.757850][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15395.757850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15395.757850][ T7704] netlink_rcv_skb+0x130/0x360 [15395.757850][ T7704] netlink_unicast+0x449/0x710 [15395.757850][ T7704] netlink_sendmsg+0x723/0xbe0 [15395.757850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15395.757850][ T7704] ___sys_sendmsg+0xee/0x170 [15395.757850][ T7704] __sys_sendmsg+0xcd/0x170 [15395.757850][ T7704] do_syscall_64+0xc6/0x1e0 [15395.757850][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15395.757850][ T7704] [15405.996909][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15405.997743][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15405.997743][ T7704] netdev_get_by_index+0x5e/0x80 [15405.997743][ T7704] fib6_nh_init+0x3d8/0x15b0 [15405.997743][ T7704] ip6_route_info_create+0xf18/0x17d0 [15405.997743][ T7704] ip6_route_add+0x1c/0x140 [15405.997743][ T7704] addrconf_prefix_route+0x2a6/0x430 [15405.997743][ T7704] inet6_addr_add+0x4f8/0xa40 [15405.997743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15405.997743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15405.997743][ T7704] netlink_rcv_skb+0x130/0x360 [15405.997743][ T7704] netlink_unicast+0x449/0x710 [15405.997743][ T7704] netlink_sendmsg+0x723/0xbe0 [15405.997743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15405.997743][ T7704] ___sys_sendmsg+0xee/0x170 [15405.997743][ T7704] __sys_sendmsg+0xcd/0x170 [15405.997743][ T7704] do_syscall_64+0xc6/0x1e0 [15405.997743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15405.997743][ T7704] [15406.000262][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15406.000262][ T7704] netdev_get_by_index+0x5e/0x80 [15406.000262][ T7704] fib6_nh_init+0x3d8/0x15b0 [15406.000262][ T7704] ip6_route_info_create+0xf18/0x17d0 [15406.000262][ T7704] addrconf_f6i_alloc+0x315/0x560 [15406.000262][ T7704] ipv6_add_addr+0x411/0x2000 [15406.000262][ T7704] inet6_addr_add+0x30e/0xa40 [15406.000262][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15406.000262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15406.000262][ T7704] netlink_rcv_skb+0x130/0x360 [15406.000262][ T7704] netlink_unicast+0x449/0x710 [15406.000262][ T7704] netlink_sendmsg+0x723/0xbe0 [15406.000262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15406.000262][ T7704] ___sys_sendmsg+0xee/0x170 [15406.000262][ T7704] __sys_sendmsg+0xcd/0x170 [15406.000262][ T7704] do_syscall_64+0xc6/0x1e0 [15406.000262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15406.000262][ T7704] [15406.002732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15406.002732][ T7704] netdev_get_by_index+0x5e/0x80 [15406.002732][ T7704] fib6_nh_init+0x3d8/0x15b0 [15406.002732][ T7704] ip6_route_info_create+0xf18/0x17d0 [15406.002732][ T7704] ip6_route_add+0x1c/0x140 [15406.002732][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15406.002732][ T7704] addrconf_add_dev+0xe2/0x170 [15406.002732][ T7704] inet6_addr_add+0x12f/0xa40 [15406.002732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15406.002732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15406.002732][ T7704] netlink_rcv_skb+0x130/0x360 [15406.002732][ T7704] netlink_unicast+0x449/0x710 [15406.002732][ T7704] netlink_sendmsg+0x723/0xbe0 [15406.002732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15406.002732][ T7704] ___sys_sendmsg+0xee/0x170 [15406.002732][ T7704] __sys_sendmsg+0xcd/0x170 [15406.002732][ T7704] do_syscall_64+0xc6/0x1e0 [15406.002732][ T7704] [15406.005177][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15406.005177][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15406.005177][ T7704] ipv6_find_idev+0x102/0x170 [15406.005177][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15406.005177][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15406.005177][ T7704] netlink_rcv_skb+0x130/0x360 [15406.005177][ T7704] netlink_unicast+0x449/0x710 [15406.005177][ T7704] netlink_sendmsg+0x723/0xbe0 [15406.005177][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15406.005177][ T7704] ___sys_sendmsg+0xee/0x170 [15406.005177][ T7704] __sys_sendmsg+0xcd/0x170 [15406.005177][ T7704] do_syscall_64+0xc6/0x1e0 [15406.005177][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15406.005177][ T7704] [15406.007077][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15406.007077][ T7704] neigh_parms_alloc+0x1e5/0x510 [15406.007077][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15406.007077][ T7704] ipv6_find_idev+0x102/0x170 [15406.007077][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15406.007077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15406.007077][ T7704] netlink_rcv_skb+0x130/0x360 [15406.007077][ T7704] netlink_unicast+0x449/0x710 [15406.007077][ T7704] netlink_sendmsg+0x723/0xbe0 [15406.007077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15406.007077][ T7704] ___sys_sendmsg+0xee/0x170 [15406.007077][ T7704] __sys_sendmsg+0xcd/0x170 [15406.007077][ T7704] do_syscall_64+0xc6/0x1e0 [15406.007077][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15406.007077][ T7704] [15416.244883][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15416.245548][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15416.245548][ T7704] netdev_get_by_index+0x5e/0x80 [15416.245548][ T7704] fib6_nh_init+0x3d8/0x15b0 [15416.245548][ T7704] ip6_route_info_create+0xf18/0x17d0 [15416.245548][ T7704] ip6_route_add+0x1c/0x140 [15416.245548][ T7704] addrconf_prefix_route+0x2a6/0x430 [15416.245548][ T7704] inet6_addr_add+0x4f8/0xa40 [15416.245548][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15416.245548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15416.245548][ T7704] netlink_rcv_skb+0x130/0x360 [15416.245548][ T7704] netlink_unicast+0x449/0x710 [15416.245548][ T7704] netlink_sendmsg+0x723/0xbe0 [15416.245548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15416.245548][ T7704] ___sys_sendmsg+0xee/0x170 [15416.245548][ T7704] __sys_sendmsg+0xcd/0x170 [15416.245548][ T7704] do_syscall_64+0xc6/0x1e0 [15416.245548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15416.245548][ T7704] [15416.248112][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15416.248112][ T7704] netdev_get_by_index+0x5e/0x80 [15416.248112][ T7704] fib6_nh_init+0x3d8/0x15b0 [15416.248112][ T7704] ip6_route_info_create+0xf18/0x17d0 [15416.248112][ T7704] addrconf_f6i_alloc+0x315/0x560 [15416.248112][ T7704] ipv6_add_addr+0x411/0x2000 [15416.248112][ T7704] inet6_addr_add+0x30e/0xa40 [15416.248112][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15416.248112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15416.248112][ T7704] netlink_rcv_skb+0x130/0x360 [15416.248112][ T7704] netlink_unicast+0x449/0x710 [15416.248112][ T7704] netlink_sendmsg+0x723/0xbe0 [15416.248112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15416.248112][ T7704] ___sys_sendmsg+0xee/0x170 [15416.248112][ T7704] __sys_sendmsg+0xcd/0x170 [15416.248112][ T7704] do_syscall_64+0xc6/0x1e0 [15416.248112][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15416.248112][ T7704] [15416.250596][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15416.250596][ T7704] netdev_get_by_index+0x5e/0x80 [15416.250596][ T7704] fib6_nh_init+0x3d8/0x15b0 [15416.250596][ T7704] ip6_route_info_create+0xf18/0x17d0 [15416.250596][ T7704] ip6_route_add+0x1c/0x140 [15416.250596][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15416.250596][ T7704] addrconf_add_dev+0xe2/0x170 [15416.250596][ T7704] inet6_addr_add+0x12f/0xa40 [15416.250596][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15416.250596][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15416.250596][ T7704] netlink_rcv_skb+0x130/0x360 [15416.250596][ T7704] netlink_unicast+0x449/0x710 [15416.250596][ T7704] netlink_sendmsg+0x723/0xbe0 [15416.250596][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15416.250596][ T7704] ___sys_sendmsg+0xee/0x170 [15416.250596][ T7704] __sys_sendmsg+0xcd/0x170 [15416.250596][ T7704] do_syscall_64+0xc6/0x1e0 [15416.250596][ T7704] [15416.253027][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15416.253027][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15416.253027][ T7704] ipv6_find_idev+0x102/0x170 [15416.253027][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15416.253027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15416.253027][ T7704] netlink_rcv_skb+0x130/0x360 [15416.253027][ T7704] netlink_unicast+0x449/0x710 [15416.253027][ T7704] netlink_sendmsg+0x723/0xbe0 [15416.253027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15416.253027][ T7704] ___sys_sendmsg+0xee/0x170 [15416.253027][ T7704] __sys_sendmsg+0xcd/0x170 [15416.253027][ T7704] do_syscall_64+0xc6/0x1e0 [15416.253027][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15416.253027][ T7704] [15416.254938][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15416.254938][ T7704] neigh_parms_alloc+0x1e5/0x510 [15416.254938][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15416.254938][ T7704] ipv6_find_idev+0x102/0x170 [15416.254938][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15416.254938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15416.254938][ T7704] netlink_rcv_skb+0x130/0x360 [15416.254938][ T7704] netlink_unicast+0x449/0x710 [15416.254938][ T7704] netlink_sendmsg+0x723/0xbe0 [15416.254938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15416.254938][ T7704] ___sys_sendmsg+0xee/0x170 [15416.254938][ T7704] __sys_sendmsg+0xcd/0x170 [15416.254938][ T7704] do_syscall_64+0xc6/0x1e0 [15416.254938][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15416.254938][ T7704] [15426.348839][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15426.349410][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15426.349410][ T7704] netdev_get_by_index+0x5e/0x80 [15426.349410][ T7704] fib6_nh_init+0x3d8/0x15b0 [15426.349410][ T7704] ip6_route_info_create+0xf18/0x17d0 [15426.349410][ T7704] ip6_route_add+0x1c/0x140 [15426.349410][ T7704] addrconf_prefix_route+0x2a6/0x430 [15426.349410][ T7704] inet6_addr_add+0x4f8/0xa40 [15426.349410][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15426.349410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15426.349410][ T7704] netlink_rcv_skb+0x130/0x360 [15426.349410][ T7704] netlink_unicast+0x449/0x710 [15426.349410][ T7704] netlink_sendmsg+0x723/0xbe0 [15426.349410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15426.349410][ T7704] ___sys_sendmsg+0xee/0x170 [15426.349410][ T7704] __sys_sendmsg+0xcd/0x170 [15426.349410][ T7704] do_syscall_64+0xc6/0x1e0 [15426.349410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15426.349410][ T7704] [15426.351915][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15426.351915][ T7704] netdev_get_by_index+0x5e/0x80 [15426.351915][ T7704] fib6_nh_init+0x3d8/0x15b0 [15426.351915][ T7704] ip6_route_info_create+0xf18/0x17d0 [15426.351915][ T7704] addrconf_f6i_alloc+0x315/0x560 [15426.351915][ T7704] ipv6_add_addr+0x411/0x2000 [15426.351915][ T7704] inet6_addr_add+0x30e/0xa40 [15426.351915][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15426.351915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15426.351915][ T7704] netlink_rcv_skb+0x130/0x360 [15426.351915][ T7704] netlink_unicast+0x449/0x710 [15426.351915][ T7704] netlink_sendmsg+0x723/0xbe0 [15426.351915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15426.351915][ T7704] ___sys_sendmsg+0xee/0x170 [15426.351915][ T7704] __sys_sendmsg+0xcd/0x170 [15426.351915][ T7704] do_syscall_64+0xc6/0x1e0 [15426.351915][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15426.351915][ T7704] [15426.354365][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15426.354365][ T7704] netdev_get_by_index+0x5e/0x80 [15426.354365][ T7704] fib6_nh_init+0x3d8/0x15b0 [15426.354365][ T7704] ip6_route_info_create+0xf18/0x17d0 [15426.354365][ T7704] ip6_route_add+0x1c/0x140 [15426.354365][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15426.354365][ T7704] addrconf_add_dev+0xe2/0x170 [15426.354365][ T7704] inet6_addr_add+0x12f/0xa40 [15426.354365][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15426.354365][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15426.354365][ T7704] netlink_rcv_skb+0x130/0x360 [15426.354365][ T7704] netlink_unicast+0x449/0x710 [15426.354365][ T7704] netlink_sendmsg+0x723/0xbe0 [15426.354365][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15426.354365][ T7704] ___sys_sendmsg+0xee/0x170 [15426.354365][ T7704] __sys_sendmsg+0xcd/0x170 [15426.354365][ T7704] do_syscall_64+0xc6/0x1e0 [15426.354365][ T7704] [15426.356769][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15426.356769][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15426.356769][ T7704] ipv6_find_idev+0x102/0x170 [15426.356769][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15426.356769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15426.356769][ T7704] netlink_rcv_skb+0x130/0x360 [15426.356769][ T7704] netlink_unicast+0x449/0x710 [15426.356769][ T7704] netlink_sendmsg+0x723/0xbe0 [15426.356769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15426.356769][ T7704] ___sys_sendmsg+0xee/0x170 [15426.356769][ T7704] __sys_sendmsg+0xcd/0x170 [15426.356769][ T7704] do_syscall_64+0xc6/0x1e0 [15426.356769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15426.356769][ T7704] [15426.358659][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15426.358659][ T7704] neigh_parms_alloc+0x1e5/0x510 [15426.358659][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15426.358659][ T7704] ipv6_find_idev+0x102/0x170 [15426.358659][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15426.358659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15426.358659][ T7704] netlink_rcv_skb+0x130/0x360 [15426.358659][ T7704] netlink_unicast+0x449/0x710 [15426.358659][ T7704] netlink_sendmsg+0x723/0xbe0 [15426.358659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15426.358659][ T7704] ___sys_sendmsg+0xee/0x170 [15426.358659][ T7704] __sys_sendmsg+0xcd/0x170 [15426.358659][ T7704] do_syscall_64+0xc6/0x1e0 [15426.358659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15426.358659][ T7704] [15436.604789][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15436.605468][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15436.605468][ T7704] netdev_get_by_index+0x5e/0x80 [15436.605468][ T7704] fib6_nh_init+0x3d8/0x15b0 [15436.605468][ T7704] ip6_route_info_create+0xf18/0x17d0 [15436.605468][ T7704] ip6_route_add+0x1c/0x140 [15436.605468][ T7704] addrconf_prefix_route+0x2a6/0x430 [15436.605468][ T7704] inet6_addr_add+0x4f8/0xa40 [15436.605468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15436.605468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15436.605468][ T7704] netlink_rcv_skb+0x130/0x360 [15436.605468][ T7704] netlink_unicast+0x449/0x710 [15436.605468][ T7704] netlink_sendmsg+0x723/0xbe0 [15436.605468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15436.605468][ T7704] ___sys_sendmsg+0xee/0x170 [15436.605468][ T7704] __sys_sendmsg+0xcd/0x170 [15436.605468][ T7704] do_syscall_64+0xc6/0x1e0 [15436.605468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15436.605468][ T7704] [15436.609262][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15436.609262][ T7704] netdev_get_by_index+0x5e/0x80 [15436.609262][ T7704] fib6_nh_init+0x3d8/0x15b0 [15436.609262][ T7704] ip6_route_info_create+0xf18/0x17d0 [15436.609262][ T7704] addrconf_f6i_alloc+0x315/0x560 [15436.609262][ T7704] ipv6_add_addr+0x411/0x2000 [15436.609262][ T7704] inet6_addr_add+0x30e/0xa40 [15436.609262][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15436.609262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15436.609262][ T7704] netlink_rcv_skb+0x130/0x360 [15436.609262][ T7704] netlink_unicast+0x449/0x710 [15436.609262][ T7704] netlink_sendmsg+0x723/0xbe0 [15436.609262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15436.609262][ T7704] ___sys_sendmsg+0xee/0x170 [15436.609262][ T7704] __sys_sendmsg+0xcd/0x170 [15436.609262][ T7704] do_syscall_64+0xc6/0x1e0 [15436.609262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15436.609262][ T7704] [15436.612986][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15436.612986][ T7704] netdev_get_by_index+0x5e/0x80 [15436.612986][ T7704] fib6_nh_init+0x3d8/0x15b0 [15436.612986][ T7704] ip6_route_info_create+0xf18/0x17d0 [15436.612986][ T7704] ip6_route_add+0x1c/0x140 [15436.612986][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15436.612986][ T7704] addrconf_add_dev+0xe2/0x170 [15436.612986][ T7704] inet6_addr_add+0x12f/0xa40 [15436.612986][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15436.612986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15436.612986][ T7704] netlink_rcv_skb+0x130/0x360 [15436.612986][ T7704] netlink_unicast+0x449/0x710 [15436.612986][ T7704] netlink_sendmsg+0x723/0xbe0 [15436.612986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15436.612986][ T7704] ___sys_sendmsg+0xee/0x170 [15436.612986][ T7704] __sys_sendmsg+0xcd/0x170 [15436.612986][ T7704] do_syscall_64+0xc6/0x1e0 [15436.612986][ T7704] [15436.616459][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15436.616459][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15436.616459][ T7704] ipv6_find_idev+0x102/0x170 [15436.616459][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15436.616459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15436.616459][ T7704] netlink_rcv_skb+0x130/0x360 [15436.616459][ T7704] netlink_unicast+0x449/0x710 [15436.616459][ T7704] netlink_sendmsg+0x723/0xbe0 [15436.616459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15436.616459][ T7704] ___sys_sendmsg+0xee/0x170 [15436.616459][ T7704] __sys_sendmsg+0xcd/0x170 [15436.616459][ T7704] do_syscall_64+0xc6/0x1e0 [15436.616459][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15436.616459][ T7704] [15436.619239][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15436.619239][ T7704] neigh_parms_alloc+0x1e5/0x510 [15436.619239][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15436.619239][ T7704] ipv6_find_idev+0x102/0x170 [15436.619239][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15436.619239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15436.619239][ T7704] netlink_rcv_skb+0x130/0x360 [15436.619239][ T7704] netlink_unicast+0x449/0x710 [15436.619239][ T7704] netlink_sendmsg+0x723/0xbe0 [15436.619239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15436.619239][ T7704] ___sys_sendmsg+0xee/0x170 [15436.619239][ T7704] __sys_sendmsg+0xcd/0x170 [15436.619239][ T7704] do_syscall_64+0xc6/0x1e0 [15436.619239][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15436.619239][ T7704] [15446.868896][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15446.869538][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15446.869538][ T7704] netdev_get_by_index+0x5e/0x80 [15446.869538][ T7704] fib6_nh_init+0x3d8/0x15b0 [15446.869538][ T7704] ip6_route_info_create+0xf18/0x17d0 [15446.869538][ T7704] ip6_route_add+0x1c/0x140 [15446.869538][ T7704] addrconf_prefix_route+0x2a6/0x430 [15446.869538][ T7704] inet6_addr_add+0x4f8/0xa40 [15446.869538][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15446.869538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15446.869538][ T7704] netlink_rcv_skb+0x130/0x360 [15446.869538][ T7704] netlink_unicast+0x449/0x710 [15446.869538][ T7704] netlink_sendmsg+0x723/0xbe0 [15446.869538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15446.869538][ T7704] ___sys_sendmsg+0xee/0x170 [15446.869538][ T7704] __sys_sendmsg+0xcd/0x170 [15446.869538][ T7704] do_syscall_64+0xc6/0x1e0 [15446.869538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15446.869538][ T7704] [15446.871810][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15446.871810][ T7704] netdev_get_by_index+0x5e/0x80 [15446.871810][ T7704] fib6_nh_init+0x3d8/0x15b0 [15446.871810][ T7704] ip6_route_info_create+0xf18/0x17d0 [15446.871810][ T7704] addrconf_f6i_alloc+0x315/0x560 [15446.871810][ T7704] ipv6_add_addr+0x411/0x2000 [15446.871810][ T7704] inet6_addr_add+0x30e/0xa40 [15446.871810][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15446.871810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15446.871810][ T7704] netlink_rcv_skb+0x130/0x360 [15446.871810][ T7704] netlink_unicast+0x449/0x710 [15446.871810][ T7704] netlink_sendmsg+0x723/0xbe0 [15446.871810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15446.871810][ T7704] ___sys_sendmsg+0xee/0x170 [15446.871810][ T7704] __sys_sendmsg+0xcd/0x170 [15446.871810][ T7704] do_syscall_64+0xc6/0x1e0 [15446.871810][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15446.871810][ T7704] [15446.874047][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15446.874047][ T7704] netdev_get_by_index+0x5e/0x80 [15446.874047][ T7704] fib6_nh_init+0x3d8/0x15b0 [15446.874047][ T7704] ip6_route_info_create+0xf18/0x17d0 [15446.874047][ T7704] ip6_route_add+0x1c/0x140 [15446.874047][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15446.874047][ T7704] addrconf_add_dev+0xe2/0x170 [15446.874047][ T7704] inet6_addr_add+0x12f/0xa40 [15446.874047][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15446.874047][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15446.874047][ T7704] netlink_rcv_skb+0x130/0x360 [15446.874047][ T7704] netlink_unicast+0x449/0x710 [15446.874047][ T7704] netlink_sendmsg+0x723/0xbe0 [15446.874047][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15446.874047][ T7704] ___sys_sendmsg+0xee/0x170 [15446.874047][ T7704] __sys_sendmsg+0xcd/0x170 [15446.874047][ T7704] do_syscall_64+0xc6/0x1e0 [15446.874047][ T7704] [15446.876278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15446.876278][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15446.876278][ T7704] ipv6_find_idev+0x102/0x170 [15446.876278][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15446.876278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15446.876278][ T7704] netlink_rcv_skb+0x130/0x360 [15446.876278][ T7704] netlink_unicast+0x449/0x710 [15446.876278][ T7704] netlink_sendmsg+0x723/0xbe0 [15446.876278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15446.876278][ T7704] ___sys_sendmsg+0xee/0x170 [15446.876278][ T7704] __sys_sendmsg+0xcd/0x170 [15446.876278][ T7704] do_syscall_64+0xc6/0x1e0 [15446.876278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15446.876278][ T7704] [15446.878009][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15446.878009][ T7704] neigh_parms_alloc+0x1e5/0x510 [15446.878009][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15446.878009][ T7704] ipv6_find_idev+0x102/0x170 [15446.878009][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15446.878009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15446.878009][ T7704] netlink_rcv_skb+0x130/0x360 [15446.878009][ T7704] netlink_unicast+0x449/0x710 [15446.878009][ T7704] netlink_sendmsg+0x723/0xbe0 [15446.878009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15446.878009][ T7704] ___sys_sendmsg+0xee/0x170 [15446.878009][ T7704] __sys_sendmsg+0xcd/0x170 [15446.878009][ T7704] do_syscall_64+0xc6/0x1e0 [15446.878009][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15446.878009][ T7704] [15457.124880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15457.125427][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15457.125427][ T7704] netdev_get_by_index+0x5e/0x80 [15457.125427][ T7704] fib6_nh_init+0x3d8/0x15b0 [15457.125427][ T7704] ip6_route_info_create+0xf18/0x17d0 [15457.125427][ T7704] ip6_route_add+0x1c/0x140 [15457.125427][ T7704] addrconf_prefix_route+0x2a6/0x430 [15457.125427][ T7704] inet6_addr_add+0x4f8/0xa40 [15457.125427][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15457.125427][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15457.125427][ T7704] netlink_rcv_skb+0x130/0x360 [15457.125427][ T7704] netlink_unicast+0x449/0x710 [15457.125427][ T7704] netlink_sendmsg+0x723/0xbe0 [15457.125427][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15457.125427][ T7704] ___sys_sendmsg+0xee/0x170 [15457.125427][ T7704] __sys_sendmsg+0xcd/0x170 [15457.125427][ T7704] do_syscall_64+0xc6/0x1e0 [15457.125427][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15457.125427][ T7704] [15457.127944][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15457.127944][ T7704] netdev_get_by_index+0x5e/0x80 [15457.127944][ T7704] fib6_nh_init+0x3d8/0x15b0 [15457.127944][ T7704] ip6_route_info_create+0xf18/0x17d0 [15457.127944][ T7704] addrconf_f6i_alloc+0x315/0x560 [15457.127944][ T7704] ipv6_add_addr+0x411/0x2000 [15457.127944][ T7704] inet6_addr_add+0x30e/0xa40 [15457.127944][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15457.127944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15457.127944][ T7704] netlink_rcv_skb+0x130/0x360 [15457.127944][ T7704] netlink_unicast+0x449/0x710 [15457.127944][ T7704] netlink_sendmsg+0x723/0xbe0 [15457.127944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15457.127944][ T7704] ___sys_sendmsg+0xee/0x170 [15457.127944][ T7704] __sys_sendmsg+0xcd/0x170 [15457.127944][ T7704] do_syscall_64+0xc6/0x1e0 [15457.127944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15457.127944][ T7704] [15457.130462][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15457.130462][ T7704] netdev_get_by_index+0x5e/0x80 [15457.130462][ T7704] fib6_nh_init+0x3d8/0x15b0 [15457.130462][ T7704] ip6_route_info_create+0xf18/0x17d0 [15457.130462][ T7704] ip6_route_add+0x1c/0x140 [15457.130462][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15457.130462][ T7704] addrconf_add_dev+0xe2/0x170 [15457.130462][ T7704] inet6_addr_add+0x12f/0xa40 [15457.130462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15457.130462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15457.130462][ T7704] netlink_rcv_skb+0x130/0x360 [15457.130462][ T7704] netlink_unicast+0x449/0x710 [15457.130462][ T7704] netlink_sendmsg+0x723/0xbe0 [15457.130462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15457.130462][ T7704] ___sys_sendmsg+0xee/0x170 [15457.130462][ T7704] __sys_sendmsg+0xcd/0x170 [15457.130462][ T7704] do_syscall_64+0xc6/0x1e0 [15457.130462][ T7704] [15457.132916][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15457.132916][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15457.132916][ T7704] ipv6_find_idev+0x102/0x170 [15457.132916][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15457.132916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15457.132916][ T7704] netlink_rcv_skb+0x130/0x360 [15457.132916][ T7704] netlink_unicast+0x449/0x710 [15457.132916][ T7704] netlink_sendmsg+0x723/0xbe0 [15457.132916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15457.132916][ T7704] ___sys_sendmsg+0xee/0x170 [15457.132916][ T7704] __sys_sendmsg+0xcd/0x170 [15457.132916][ T7704] do_syscall_64+0xc6/0x1e0 [15457.132916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15457.132916][ T7704] [15457.134852][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15457.134852][ T7704] neigh_parms_alloc+0x1e5/0x510 [15457.134852][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15457.134852][ T7704] ipv6_find_idev+0x102/0x170 [15457.134852][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15457.134852][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15457.134852][ T7704] netlink_rcv_skb+0x130/0x360 [15457.134852][ T7704] netlink_unicast+0x449/0x710 [15457.134852][ T7704] netlink_sendmsg+0x723/0xbe0 [15457.134852][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15457.134852][ T7704] ___sys_sendmsg+0xee/0x170 [15457.134852][ T7704] __sys_sendmsg+0xcd/0x170 [15457.134852][ T7704] do_syscall_64+0xc6/0x1e0 [15457.134852][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15457.134852][ T7704] [15467.388813][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15467.389339][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15467.389339][ T7704] netdev_get_by_index+0x5e/0x80 [15467.389339][ T7704] fib6_nh_init+0x3d8/0x15b0 [15467.389339][ T7704] ip6_route_info_create+0xf18/0x17d0 [15467.389339][ T7704] ip6_route_add+0x1c/0x140 [15467.389339][ T7704] addrconf_prefix_route+0x2a6/0x430 [15467.389339][ T7704] inet6_addr_add+0x4f8/0xa40 [15467.389339][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15467.389339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15467.389339][ T7704] netlink_rcv_skb+0x130/0x360 [15467.389339][ T7704] netlink_unicast+0x449/0x710 [15467.389339][ T7704] netlink_sendmsg+0x723/0xbe0 [15467.389339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15467.389339][ T7704] ___sys_sendmsg+0xee/0x170 [15467.389339][ T7704] __sys_sendmsg+0xcd/0x170 [15467.389339][ T7704] do_syscall_64+0xc6/0x1e0 [15467.389339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15467.389339][ T7704] [15467.391867][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15467.391867][ T7704] netdev_get_by_index+0x5e/0x80 [15467.391867][ T7704] fib6_nh_init+0x3d8/0x15b0 [15467.391867][ T7704] ip6_route_info_create+0xf18/0x17d0 [15467.391867][ T7704] addrconf_f6i_alloc+0x315/0x560 [15467.391867][ T7704] ipv6_add_addr+0x411/0x2000 [15467.391867][ T7704] inet6_addr_add+0x30e/0xa40 [15467.391867][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15467.391867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15467.391867][ T7704] netlink_rcv_skb+0x130/0x360 [15467.391867][ T7704] netlink_unicast+0x449/0x710 [15467.391867][ T7704] netlink_sendmsg+0x723/0xbe0 [15467.391867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15467.391867][ T7704] ___sys_sendmsg+0xee/0x170 [15467.391867][ T7704] __sys_sendmsg+0xcd/0x170 [15467.391867][ T7704] do_syscall_64+0xc6/0x1e0 [15467.391867][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15467.391867][ T7704] [15467.394390][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15467.394390][ T7704] netdev_get_by_index+0x5e/0x80 [15467.394390][ T7704] fib6_nh_init+0x3d8/0x15b0 [15467.394390][ T7704] ip6_route_info_create+0xf18/0x17d0 [15467.394390][ T7704] ip6_route_add+0x1c/0x140 [15467.394390][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15467.394390][ T7704] addrconf_add_dev+0xe2/0x170 [15467.394390][ T7704] inet6_addr_add+0x12f/0xa40 [15467.394390][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15467.394390][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15467.394390][ T7704] netlink_rcv_skb+0x130/0x360 [15467.394390][ T7704] netlink_unicast+0x449/0x710 [15467.394390][ T7704] netlink_sendmsg+0x723/0xbe0 [15467.394390][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15467.394390][ T7704] ___sys_sendmsg+0xee/0x170 [15467.394390][ T7704] __sys_sendmsg+0xcd/0x170 [15467.394390][ T7704] do_syscall_64+0xc6/0x1e0 [15467.394390][ T7704] [15467.396828][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15467.396828][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15467.396828][ T7704] ipv6_find_idev+0x102/0x170 [15467.396828][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15467.396828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15467.396828][ T7704] netlink_rcv_skb+0x130/0x360 [15467.396828][ T7704] netlink_unicast+0x449/0x710 [15467.396828][ T7704] netlink_sendmsg+0x723/0xbe0 [15467.396828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15467.396828][ T7704] ___sys_sendmsg+0xee/0x170 [15467.396828][ T7704] __sys_sendmsg+0xcd/0x170 [15467.396828][ T7704] do_syscall_64+0xc6/0x1e0 [15467.396828][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15467.396828][ T7704] [15467.398728][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15467.398728][ T7704] neigh_parms_alloc+0x1e5/0x510 [15467.398728][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15467.398728][ T7704] ipv6_find_idev+0x102/0x170 [15467.398728][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15467.398728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15467.398728][ T7704] netlink_rcv_skb+0x130/0x360 [15467.398728][ T7704] netlink_unicast+0x449/0x710 [15467.398728][ T7704] netlink_sendmsg+0x723/0xbe0 [15467.398728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15467.398728][ T7704] ___sys_sendmsg+0xee/0x170 [15467.398728][ T7704] __sys_sendmsg+0xcd/0x170 [15467.398728][ T7704] do_syscall_64+0xc6/0x1e0 [15467.398728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15467.398728][ T7704] [15477.652878][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15477.653333][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15477.653333][ T7704] netdev_get_by_index+0x5e/0x80 [15477.653333][ T7704] fib6_nh_init+0x3d8/0x15b0 [15477.653333][ T7704] ip6_route_info_create+0xf18/0x17d0 [15477.653333][ T7704] ip6_route_add+0x1c/0x140 [15477.653333][ T7704] addrconf_prefix_route+0x2a6/0x430 [15477.653333][ T7704] inet6_addr_add+0x4f8/0xa40 [15477.653333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15477.653333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15477.653333][ T7704] netlink_rcv_skb+0x130/0x360 [15477.653333][ T7704] netlink_unicast+0x449/0x710 [15477.653333][ T7704] netlink_sendmsg+0x723/0xbe0 [15477.653333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15477.653333][ T7704] ___sys_sendmsg+0xee/0x170 [15477.653333][ T7704] __sys_sendmsg+0xcd/0x170 [15477.653333][ T7704] do_syscall_64+0xc6/0x1e0 [15477.653333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15477.653333][ T7704] [15477.655613][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15477.655613][ T7704] netdev_get_by_index+0x5e/0x80 [15477.655613][ T7704] fib6_nh_init+0x3d8/0x15b0 [15477.655613][ T7704] ip6_route_info_create+0xf18/0x17d0 [15477.655613][ T7704] addrconf_f6i_alloc+0x315/0x560 [15477.655613][ T7704] ipv6_add_addr+0x411/0x2000 [15477.655613][ T7704] inet6_addr_add+0x30e/0xa40 [15477.655613][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15477.655613][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15477.655613][ T7704] netlink_rcv_skb+0x130/0x360 [15477.655613][ T7704] netlink_unicast+0x449/0x710 [15477.655613][ T7704] netlink_sendmsg+0x723/0xbe0 [15477.655613][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15477.655613][ T7704] ___sys_sendmsg+0xee/0x170 [15477.655613][ T7704] __sys_sendmsg+0xcd/0x170 [15477.655613][ T7704] do_syscall_64+0xc6/0x1e0 [15477.655613][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15477.655613][ T7704] [15477.657848][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15477.657848][ T7704] netdev_get_by_index+0x5e/0x80 [15477.657848][ T7704] fib6_nh_init+0x3d8/0x15b0 [15477.657848][ T7704] ip6_route_info_create+0xf18/0x17d0 [15477.657848][ T7704] ip6_route_add+0x1c/0x140 [15477.657848][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15477.657848][ T7704] addrconf_add_dev+0xe2/0x170 [15477.657848][ T7704] inet6_addr_add+0x12f/0xa40 [15477.657848][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15477.657848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15477.657848][ T7704] netlink_rcv_skb+0x130/0x360 [15477.657848][ T7704] netlink_unicast+0x449/0x710 [15477.657848][ T7704] netlink_sendmsg+0x723/0xbe0 [15477.657848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15477.657848][ T7704] ___sys_sendmsg+0xee/0x170 [15477.657848][ T7704] __sys_sendmsg+0xcd/0x170 [15477.657848][ T7704] do_syscall_64+0xc6/0x1e0 [15477.657848][ T7704] [15477.660051][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15477.660051][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15477.660051][ T7704] ipv6_find_idev+0x102/0x170 [15477.660051][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15477.660051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15477.660051][ T7704] netlink_rcv_skb+0x130/0x360 [15477.660051][ T7704] netlink_unicast+0x449/0x710 [15477.660051][ T7704] netlink_sendmsg+0x723/0xbe0 [15477.660051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15477.660051][ T7704] ___sys_sendmsg+0xee/0x170 [15477.660051][ T7704] __sys_sendmsg+0xcd/0x170 [15477.660051][ T7704] do_syscall_64+0xc6/0x1e0 [15477.660051][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15477.660051][ T7704] [15477.661811][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15477.661811][ T7704] neigh_parms_alloc+0x1e5/0x510 [15477.661811][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15477.661811][ T7704] ipv6_find_idev+0x102/0x170 [15477.661811][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15477.661811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15477.661811][ T7704] netlink_rcv_skb+0x130/0x360 [15477.661811][ T7704] netlink_unicast+0x449/0x710 [15477.661811][ T7704] netlink_sendmsg+0x723/0xbe0 [15477.661811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15477.661811][ T7704] ___sys_sendmsg+0xee/0x170 [15477.661811][ T7704] __sys_sendmsg+0xcd/0x170 [15477.661811][ T7704] do_syscall_64+0xc6/0x1e0 [15477.661811][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15477.661811][ T7704] [15487.916901][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15487.917548][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15487.917548][ T7704] netdev_get_by_index+0x5e/0x80 [15487.917548][ T7704] fib6_nh_init+0x3d8/0x15b0 [15487.917548][ T7704] ip6_route_info_create+0xf18/0x17d0 [15487.917548][ T7704] ip6_route_add+0x1c/0x140 [15487.917548][ T7704] addrconf_prefix_route+0x2a6/0x430 [15487.917548][ T7704] inet6_addr_add+0x4f8/0xa40 [15487.917548][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15487.917548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15487.917548][ T7704] netlink_rcv_skb+0x130/0x360 [15487.917548][ T7704] netlink_unicast+0x449/0x710 [15487.917548][ T7704] netlink_sendmsg+0x723/0xbe0 [15487.917548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15487.917548][ T7704] ___sys_sendmsg+0xee/0x170 [15487.917548][ T7704] __sys_sendmsg+0xcd/0x170 [15487.917548][ T7704] do_syscall_64+0xc6/0x1e0 [15487.917548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15487.917548][ T7704] [15487.919848][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15487.919848][ T7704] netdev_get_by_index+0x5e/0x80 [15487.919848][ T7704] fib6_nh_init+0x3d8/0x15b0 [15487.919848][ T7704] ip6_route_info_create+0xf18/0x17d0 [15487.919848][ T7704] addrconf_f6i_alloc+0x315/0x560 [15487.919848][ T7704] ipv6_add_addr+0x411/0x2000 [15487.919848][ T7704] inet6_addr_add+0x30e/0xa40 [15487.919848][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15487.919848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15487.919848][ T7704] netlink_rcv_skb+0x130/0x360 [15487.919848][ T7704] netlink_unicast+0x449/0x710 [15487.919848][ T7704] netlink_sendmsg+0x723/0xbe0 [15487.919848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15487.919848][ T7704] ___sys_sendmsg+0xee/0x170 [15487.919848][ T7704] __sys_sendmsg+0xcd/0x170 [15487.919848][ T7704] do_syscall_64+0xc6/0x1e0 [15487.919848][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15487.919848][ T7704] [15487.922114][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15487.922114][ T7704] netdev_get_by_index+0x5e/0x80 [15487.922114][ T7704] fib6_nh_init+0x3d8/0x15b0 [15487.922114][ T7704] ip6_route_info_create+0xf18/0x17d0 [15487.922114][ T7704] ip6_route_add+0x1c/0x140 [15487.922114][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15487.922114][ T7704] addrconf_add_dev+0xe2/0x170 [15487.922114][ T7704] inet6_addr_add+0x12f/0xa40 [15487.922114][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15487.922114][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15487.922114][ T7704] netlink_rcv_skb+0x130/0x360 [15487.922114][ T7704] netlink_unicast+0x449/0x710 [15487.922114][ T7704] netlink_sendmsg+0x723/0xbe0 [15487.922114][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15487.922114][ T7704] ___sys_sendmsg+0xee/0x170 [15487.922114][ T7704] __sys_sendmsg+0xcd/0x170 [15487.922114][ T7704] do_syscall_64+0xc6/0x1e0 [15487.922114][ T7704] [15487.924323][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15487.924323][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15487.924323][ T7704] ipv6_find_idev+0x102/0x170 [15487.924323][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15487.924323][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15487.924323][ T7704] netlink_rcv_skb+0x130/0x360 [15487.924323][ T7704] netlink_unicast+0x449/0x710 [15487.924323][ T7704] netlink_sendmsg+0x723/0xbe0 [15487.924323][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15487.924323][ T7704] ___sys_sendmsg+0xee/0x170 [15487.924323][ T7704] __sys_sendmsg+0xcd/0x170 [15487.924323][ T7704] do_syscall_64+0xc6/0x1e0 [15487.924323][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15487.924323][ T7704] [15487.926593][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15487.926593][ T7704] neigh_parms_alloc+0x1e5/0x510 [15487.926593][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15487.926593][ T7704] ipv6_find_idev+0x102/0x170 [15487.926593][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15487.926593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15487.926593][ T7704] netlink_rcv_skb+0x130/0x360 [15487.926593][ T7704] netlink_unicast+0x449/0x710 [15487.926593][ T7704] netlink_sendmsg+0x723/0xbe0 [15487.926593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15487.926593][ T7704] ___sys_sendmsg+0xee/0x170 [15487.926593][ T7704] __sys_sendmsg+0xcd/0x170 [15487.926593][ T7704] do_syscall_64+0xc6/0x1e0 [15487.926593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15487.926593][ T7704] [15498.148837][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15498.149386][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15498.149386][ T7704] netdev_get_by_index+0x5e/0x80 [15498.149386][ T7704] fib6_nh_init+0x3d8/0x15b0 [15498.149386][ T7704] ip6_route_info_create+0xf18/0x17d0 [15498.149386][ T7704] ip6_route_add+0x1c/0x140 [15498.149386][ T7704] addrconf_prefix_route+0x2a6/0x430 [15498.149386][ T7704] inet6_addr_add+0x4f8/0xa40 [15498.149386][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15498.149386][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15498.149386][ T7704] netlink_rcv_skb+0x130/0x360 [15498.149386][ T7704] netlink_unicast+0x449/0x710 [15498.149386][ T7704] netlink_sendmsg+0x723/0xbe0 [15498.149386][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15498.149386][ T7704] ___sys_sendmsg+0xee/0x170 [15498.149386][ T7704] __sys_sendmsg+0xcd/0x170 [15498.149386][ T7704] do_syscall_64+0xc6/0x1e0 [15498.149386][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15498.149386][ T7704] [15498.151906][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15498.151906][ T7704] netdev_get_by_index+0x5e/0x80 [15498.151906][ T7704] fib6_nh_init+0x3d8/0x15b0 [15498.151906][ T7704] ip6_route_info_create+0xf18/0x17d0 [15498.151906][ T7704] addrconf_f6i_alloc+0x315/0x560 [15498.151906][ T7704] ipv6_add_addr+0x411/0x2000 [15498.151906][ T7704] inet6_addr_add+0x30e/0xa40 [15498.151906][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15498.151906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15498.151906][ T7704] netlink_rcv_skb+0x130/0x360 [15498.151906][ T7704] netlink_unicast+0x449/0x710 [15498.151906][ T7704] netlink_sendmsg+0x723/0xbe0 [15498.151906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15498.151906][ T7704] ___sys_sendmsg+0xee/0x170 [15498.151906][ T7704] __sys_sendmsg+0xcd/0x170 [15498.151906][ T7704] do_syscall_64+0xc6/0x1e0 [15498.151906][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15498.151906][ T7704] [15498.154402][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15498.154402][ T7704] netdev_get_by_index+0x5e/0x80 [15498.154402][ T7704] fib6_nh_init+0x3d8/0x15b0 [15498.154402][ T7704] ip6_route_info_create+0xf18/0x17d0 [15498.154402][ T7704] ip6_route_add+0x1c/0x140 [15498.154402][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15498.154402][ T7704] addrconf_add_dev+0xe2/0x170 [15498.154402][ T7704] inet6_addr_add+0x12f/0xa40 [15498.154402][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15498.154402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15498.154402][ T7704] netlink_rcv_skb+0x130/0x360 [15498.154402][ T7704] netlink_unicast+0x449/0x710 [15498.154402][ T7704] netlink_sendmsg+0x723/0xbe0 [15498.154402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15498.154402][ T7704] ___sys_sendmsg+0xee/0x170 [15498.154402][ T7704] __sys_sendmsg+0xcd/0x170 [15498.154402][ T7704] do_syscall_64+0xc6/0x1e0 [15498.154402][ T7704] [15498.156829][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15498.156829][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15498.156829][ T7704] ipv6_find_idev+0x102/0x170 [15498.156829][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15498.156829][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15498.156829][ T7704] netlink_rcv_skb+0x130/0x360 [15498.156829][ T7704] netlink_unicast+0x449/0x710 [15498.156829][ T7704] netlink_sendmsg+0x723/0xbe0 [15498.156829][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15498.156829][ T7704] ___sys_sendmsg+0xee/0x170 [15498.156829][ T7704] __sys_sendmsg+0xcd/0x170 [15498.156829][ T7704] do_syscall_64+0xc6/0x1e0 [15498.156829][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15498.156829][ T7704] [15498.158693][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15498.158693][ T7704] neigh_parms_alloc+0x1e5/0x510 [15498.158693][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15498.158693][ T7704] ipv6_find_idev+0x102/0x170 [15498.158693][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15498.158693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15498.158693][ T7704] netlink_rcv_skb+0x130/0x360 [15498.158693][ T7704] netlink_unicast+0x449/0x710 [15498.158693][ T7704] netlink_sendmsg+0x723/0xbe0 [15498.158693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15498.158693][ T7704] ___sys_sendmsg+0xee/0x170 [15498.158693][ T7704] __sys_sendmsg+0xcd/0x170 [15498.158693][ T7704] do_syscall_64+0xc6/0x1e0 [15498.158693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15498.158693][ T7704] [15508.396822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15508.397353][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15508.397353][ T7704] netdev_get_by_index+0x5e/0x80 [15508.397353][ T7704] fib6_nh_init+0x3d8/0x15b0 [15508.397353][ T7704] ip6_route_info_create+0xf18/0x17d0 [15508.397353][ T7704] ip6_route_add+0x1c/0x140 [15508.397353][ T7704] addrconf_prefix_route+0x2a6/0x430 [15508.397353][ T7704] inet6_addr_add+0x4f8/0xa40 [15508.397353][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15508.397353][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15508.397353][ T7704] netlink_rcv_skb+0x130/0x360 [15508.397353][ T7704] netlink_unicast+0x449/0x710 [15508.397353][ T7704] netlink_sendmsg+0x723/0xbe0 [15508.397353][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15508.397353][ T7704] ___sys_sendmsg+0xee/0x170 [15508.397353][ T7704] __sys_sendmsg+0xcd/0x170 [15508.397353][ T7704] do_syscall_64+0xc6/0x1e0 [15508.397353][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15508.397353][ T7704] [15508.399851][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15508.399851][ T7704] netdev_get_by_index+0x5e/0x80 [15508.399851][ T7704] fib6_nh_init+0x3d8/0x15b0 [15508.399851][ T7704] ip6_route_info_create+0xf18/0x17d0 [15508.399851][ T7704] addrconf_f6i_alloc+0x315/0x560 [15508.399851][ T7704] ipv6_add_addr+0x411/0x2000 [15508.399851][ T7704] inet6_addr_add+0x30e/0xa40 [15508.399851][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15508.399851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15508.399851][ T7704] netlink_rcv_skb+0x130/0x360 [15508.399851][ T7704] netlink_unicast+0x449/0x710 [15508.399851][ T7704] netlink_sendmsg+0x723/0xbe0 [15508.399851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15508.399851][ T7704] ___sys_sendmsg+0xee/0x170 [15508.399851][ T7704] __sys_sendmsg+0xcd/0x170 [15508.399851][ T7704] do_syscall_64+0xc6/0x1e0 [15508.399851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15508.399851][ T7704] [15508.402363][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15508.402363][ T7704] netdev_get_by_index+0x5e/0x80 [15508.402363][ T7704] fib6_nh_init+0x3d8/0x15b0 [15508.402363][ T7704] ip6_route_info_create+0xf18/0x17d0 [15508.402363][ T7704] ip6_route_add+0x1c/0x140 [15508.402363][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15508.402363][ T7704] addrconf_add_dev+0xe2/0x170 [15508.402363][ T7704] inet6_addr_add+0x12f/0xa40 [15508.402363][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15508.402363][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15508.402363][ T7704] netlink_rcv_skb+0x130/0x360 [15508.402363][ T7704] netlink_unicast+0x449/0x710 [15508.402363][ T7704] netlink_sendmsg+0x723/0xbe0 [15508.402363][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15508.402363][ T7704] ___sys_sendmsg+0xee/0x170 [15508.402363][ T7704] __sys_sendmsg+0xcd/0x170 [15508.402363][ T7704] do_syscall_64+0xc6/0x1e0 [15508.402363][ T7704] [15508.404801][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15508.404801][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15508.404801][ T7704] ipv6_find_idev+0x102/0x170 [15508.404801][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15508.404801][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15508.404801][ T7704] netlink_rcv_skb+0x130/0x360 [15508.404801][ T7704] netlink_unicast+0x449/0x710 [15508.404801][ T7704] netlink_sendmsg+0x723/0xbe0 [15508.404801][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15508.404801][ T7704] ___sys_sendmsg+0xee/0x170 [15508.404801][ T7704] __sys_sendmsg+0xcd/0x170 [15508.404801][ T7704] do_syscall_64+0xc6/0x1e0 [15508.404801][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15508.404801][ T7704] [15508.406701][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15508.406701][ T7704] neigh_parms_alloc+0x1e5/0x510 [15508.406701][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15508.406701][ T7704] ipv6_find_idev+0x102/0x170 [15508.406701][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15508.406701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15508.406701][ T7704] netlink_rcv_skb+0x130/0x360 [15508.406701][ T7704] netlink_unicast+0x449/0x710 [15508.406701][ T7704] netlink_sendmsg+0x723/0xbe0 [15508.406701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15508.406701][ T7704] ___sys_sendmsg+0xee/0x170 [15508.406701][ T7704] __sys_sendmsg+0xcd/0x170 [15508.406701][ T7704] do_syscall_64+0xc6/0x1e0 [15508.406701][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15508.406701][ T7704] [15518.644928][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15518.645432][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15518.645432][ T7704] netdev_get_by_index+0x5e/0x80 [15518.645432][ T7704] fib6_nh_init+0x3d8/0x15b0 [15518.645432][ T7704] ip6_route_info_create+0xf18/0x17d0 [15518.645432][ T7704] ip6_route_add+0x1c/0x140 [15518.645432][ T7704] addrconf_prefix_route+0x2a6/0x430 [15518.645432][ T7704] inet6_addr_add+0x4f8/0xa40 [15518.645432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15518.645432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15518.645432][ T7704] netlink_rcv_skb+0x130/0x360 [15518.645432][ T7704] netlink_unicast+0x449/0x710 [15518.645432][ T7704] netlink_sendmsg+0x723/0xbe0 [15518.645432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15518.645432][ T7704] ___sys_sendmsg+0xee/0x170 [15518.645432][ T7704] __sys_sendmsg+0xcd/0x170 [15518.645432][ T7704] do_syscall_64+0xc6/0x1e0 [15518.645432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15518.645432][ T7704] [15518.648120][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15518.648120][ T7704] netdev_get_by_index+0x5e/0x80 [15518.648120][ T7704] fib6_nh_init+0x3d8/0x15b0 [15518.648120][ T7704] ip6_route_info_create+0xf18/0x17d0 [15518.648120][ T7704] addrconf_f6i_alloc+0x315/0x560 [15518.648120][ T7704] ipv6_add_addr+0x411/0x2000 [15518.648120][ T7704] inet6_addr_add+0x30e/0xa40 [15518.648120][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15518.648120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15518.648120][ T7704] netlink_rcv_skb+0x130/0x360 [15518.648120][ T7704] netlink_unicast+0x449/0x710 [15518.648120][ T7704] netlink_sendmsg+0x723/0xbe0 [15518.648120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15518.648120][ T7704] ___sys_sendmsg+0xee/0x170 [15518.648120][ T7704] __sys_sendmsg+0xcd/0x170 [15518.648120][ T7704] do_syscall_64+0xc6/0x1e0 [15518.648120][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15518.648120][ T7704] [15518.650819][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15518.650819][ T7704] netdev_get_by_index+0x5e/0x80 [15518.650819][ T7704] fib6_nh_init+0x3d8/0x15b0 [15518.650819][ T7704] ip6_route_info_create+0xf18/0x17d0 [15518.650819][ T7704] ip6_route_add+0x1c/0x140 [15518.650819][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15518.650819][ T7704] addrconf_add_dev+0xe2/0x170 [15518.650819][ T7704] inet6_addr_add+0x12f/0xa40 [15518.650819][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15518.650819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15518.650819][ T7704] netlink_rcv_skb+0x130/0x360 [15518.650819][ T7704] netlink_unicast+0x449/0x710 [15518.650819][ T7704] netlink_sendmsg+0x723/0xbe0 [15518.650819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15518.650819][ T7704] ___sys_sendmsg+0xee/0x170 [15518.650819][ T7704] __sys_sendmsg+0xcd/0x170 [15518.650819][ T7704] do_syscall_64+0xc6/0x1e0 [15518.650819][ T7704] [15518.653454][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15518.653454][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15518.653454][ T7704] ipv6_find_idev+0x102/0x170 [15518.653454][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15518.653454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15518.653454][ T7704] netlink_rcv_skb+0x130/0x360 [15518.653454][ T7704] netlink_unicast+0x449/0x710 [15518.653454][ T7704] netlink_sendmsg+0x723/0xbe0 [15518.653454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15518.653454][ T7704] ___sys_sendmsg+0xee/0x170 [15518.653454][ T7704] __sys_sendmsg+0xcd/0x170 [15518.653454][ T7704] do_syscall_64+0xc6/0x1e0 [15518.653454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15518.653454][ T7704] [15518.655555][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15518.655555][ T7704] neigh_parms_alloc+0x1e5/0x510 [15518.655555][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15518.655555][ T7704] ipv6_find_idev+0x102/0x170 [15518.655555][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15518.655555][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15518.655555][ T7704] netlink_rcv_skb+0x130/0x360 [15518.655555][ T7704] netlink_unicast+0x449/0x710 [15518.655555][ T7704] netlink_sendmsg+0x723/0xbe0 [15518.655555][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15518.655555][ T7704] ___sys_sendmsg+0xee/0x170 [15518.655555][ T7704] __sys_sendmsg+0xcd/0x170 [15518.655555][ T7704] do_syscall_64+0xc6/0x1e0 [15518.655555][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15518.655555][ T7704] [15528.724828][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15528.725329][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15528.725329][ T7704] netdev_get_by_index+0x5e/0x80 [15528.725329][ T7704] fib6_nh_init+0x3d8/0x15b0 [15528.725329][ T7704] ip6_route_info_create+0xf18/0x17d0 [15528.725329][ T7704] ip6_route_add+0x1c/0x140 [15528.725329][ T7704] addrconf_prefix_route+0x2a6/0x430 [15528.725329][ T7704] inet6_addr_add+0x4f8/0xa40 [15528.725329][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15528.725329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15528.725329][ T7704] netlink_rcv_skb+0x130/0x360 [15528.725329][ T7704] netlink_unicast+0x449/0x710 [15528.725329][ T7704] netlink_sendmsg+0x723/0xbe0 [15528.725329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15528.725329][ T7704] ___sys_sendmsg+0xee/0x170 [15528.725329][ T7704] __sys_sendmsg+0xcd/0x170 [15528.725329][ T7704] do_syscall_64+0xc6/0x1e0 [15528.725329][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15528.725329][ T7704] [15528.727657][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15528.727657][ T7704] netdev_get_by_index+0x5e/0x80 [15528.727657][ T7704] fib6_nh_init+0x3d8/0x15b0 [15528.727657][ T7704] ip6_route_info_create+0xf18/0x17d0 [15528.727657][ T7704] addrconf_f6i_alloc+0x315/0x560 [15528.727657][ T7704] ipv6_add_addr+0x411/0x2000 [15528.727657][ T7704] inet6_addr_add+0x30e/0xa40 [15528.727657][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15528.727657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15528.727657][ T7704] netlink_rcv_skb+0x130/0x360 [15528.727657][ T7704] netlink_unicast+0x449/0x710 [15528.727657][ T7704] netlink_sendmsg+0x723/0xbe0 [15528.727657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15528.727657][ T7704] ___sys_sendmsg+0xee/0x170 [15528.727657][ T7704] __sys_sendmsg+0xcd/0x170 [15528.727657][ T7704] do_syscall_64+0xc6/0x1e0 [15528.727657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15528.727657][ T7704] [15528.729936][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15528.729936][ T7704] netdev_get_by_index+0x5e/0x80 [15528.729936][ T7704] fib6_nh_init+0x3d8/0x15b0 [15528.729936][ T7704] ip6_route_info_create+0xf18/0x17d0 [15528.729936][ T7704] ip6_route_add+0x1c/0x140 [15528.729936][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15528.729936][ T7704] addrconf_add_dev+0xe2/0x170 [15528.729936][ T7704] inet6_addr_add+0x12f/0xa40 [15528.729936][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15528.729936][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15528.729936][ T7704] netlink_rcv_skb+0x130/0x360 [15528.729936][ T7704] netlink_unicast+0x449/0x710 [15528.729936][ T7704] netlink_sendmsg+0x723/0xbe0 [15528.729936][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15528.729936][ T7704] ___sys_sendmsg+0xee/0x170 [15528.729936][ T7704] __sys_sendmsg+0xcd/0x170 [15528.729936][ T7704] do_syscall_64+0xc6/0x1e0 [15528.729936][ T7704] [15528.732134][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15528.732134][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15528.732134][ T7704] ipv6_find_idev+0x102/0x170 [15528.732134][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15528.732134][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15528.732134][ T7704] netlink_rcv_skb+0x130/0x360 [15528.732134][ T7704] netlink_unicast+0x449/0x710 [15528.732134][ T7704] netlink_sendmsg+0x723/0xbe0 [15528.732134][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15528.732134][ T7704] ___sys_sendmsg+0xee/0x170 [15528.732134][ T7704] __sys_sendmsg+0xcd/0x170 [15528.732134][ T7704] do_syscall_64+0xc6/0x1e0 [15528.732134][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15528.732134][ T7704] [15528.733864][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15528.733864][ T7704] neigh_parms_alloc+0x1e5/0x510 [15528.733864][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15528.733864][ T7704] ipv6_find_idev+0x102/0x170 [15528.733864][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15528.733864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15528.733864][ T7704] netlink_rcv_skb+0x130/0x360 [15528.733864][ T7704] netlink_unicast+0x449/0x710 [15528.733864][ T7704] netlink_sendmsg+0x723/0xbe0 [15528.733864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15528.733864][ T7704] ___sys_sendmsg+0xee/0x170 [15528.733864][ T7704] __sys_sendmsg+0xcd/0x170 [15528.733864][ T7704] do_syscall_64+0xc6/0x1e0 [15528.733864][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15528.733864][ T7704] [15538.972754][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15538.973278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15538.973278][ T7704] netdev_get_by_index+0x5e/0x80 [15538.973278][ T7704] fib6_nh_init+0x3d8/0x15b0 [15538.973278][ T7704] ip6_route_info_create+0xf18/0x17d0 [15538.973278][ T7704] ip6_route_add+0x1c/0x140 [15538.973278][ T7704] addrconf_prefix_route+0x2a6/0x430 [15538.973278][ T7704] inet6_addr_add+0x4f8/0xa40 [15538.973278][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15538.973278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15538.973278][ T7704] netlink_rcv_skb+0x130/0x360 [15538.973278][ T7704] netlink_unicast+0x449/0x710 [15538.973278][ T7704] netlink_sendmsg+0x723/0xbe0 [15538.973278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15538.973278][ T7704] ___sys_sendmsg+0xee/0x170 [15538.973278][ T7704] __sys_sendmsg+0xcd/0x170 [15538.973278][ T7704] do_syscall_64+0xc6/0x1e0 [15538.973278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15538.973278][ T7704] [15538.975557][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15538.975557][ T7704] netdev_get_by_index+0x5e/0x80 [15538.975557][ T7704] fib6_nh_init+0x3d8/0x15b0 [15538.975557][ T7704] ip6_route_info_create+0xf18/0x17d0 [15538.975557][ T7704] addrconf_f6i_alloc+0x315/0x560 [15538.975557][ T7704] ipv6_add_addr+0x411/0x2000 [15538.975557][ T7704] inet6_addr_add+0x30e/0xa40 [15538.975557][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15538.975557][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15538.975557][ T7704] netlink_rcv_skb+0x130/0x360 [15538.975557][ T7704] netlink_unicast+0x449/0x710 [15538.975557][ T7704] netlink_sendmsg+0x723/0xbe0 [15538.975557][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15538.975557][ T7704] ___sys_sendmsg+0xee/0x170 [15538.975557][ T7704] __sys_sendmsg+0xcd/0x170 [15538.975557][ T7704] do_syscall_64+0xc6/0x1e0 [15538.975557][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15538.975557][ T7704] [15538.977800][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15538.977800][ T7704] netdev_get_by_index+0x5e/0x80 [15538.977800][ T7704] fib6_nh_init+0x3d8/0x15b0 [15538.977800][ T7704] ip6_route_info_create+0xf18/0x17d0 [15538.977800][ T7704] ip6_route_add+0x1c/0x140 [15538.977800][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15538.977800][ T7704] addrconf_add_dev+0xe2/0x170 [15538.977800][ T7704] inet6_addr_add+0x12f/0xa40 [15538.977800][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15538.977800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15538.977800][ T7704] netlink_rcv_skb+0x130/0x360 [15538.977800][ T7704] netlink_unicast+0x449/0x710 [15538.977800][ T7704] netlink_sendmsg+0x723/0xbe0 [15538.977800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15538.977800][ T7704] ___sys_sendmsg+0xee/0x170 [15538.977800][ T7704] __sys_sendmsg+0xcd/0x170 [15538.977800][ T7704] do_syscall_64+0xc6/0x1e0 [15538.977800][ T7704] [15538.980051][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15538.980051][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15538.980051][ T7704] ipv6_find_idev+0x102/0x170 [15538.980051][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15538.980051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15538.980051][ T7704] netlink_rcv_skb+0x130/0x360 [15538.980051][ T7704] netlink_unicast+0x449/0x710 [15538.980051][ T7704] netlink_sendmsg+0x723/0xbe0 [15538.980051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15538.980051][ T7704] ___sys_sendmsg+0xee/0x170 [15538.980051][ T7704] __sys_sendmsg+0xcd/0x170 [15538.980051][ T7704] do_syscall_64+0xc6/0x1e0 [15538.980051][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15538.980051][ T7704] [15538.981804][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15538.981804][ T7704] neigh_parms_alloc+0x1e5/0x510 [15538.981804][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15538.981804][ T7704] ipv6_find_idev+0x102/0x170 [15538.981804][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15538.981804][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15538.981804][ T7704] netlink_rcv_skb+0x130/0x360 [15538.981804][ T7704] netlink_unicast+0x449/0x710 [15538.981804][ T7704] netlink_sendmsg+0x723/0xbe0 [15538.981804][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15538.981804][ T7704] ___sys_sendmsg+0xee/0x170 [15538.981804][ T7704] __sys_sendmsg+0xcd/0x170 [15538.981804][ T7704] do_syscall_64+0xc6/0x1e0 [15538.981804][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15538.981804][ T7704] [15549.220877][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15549.221844][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15549.221844][ T7704] netdev_get_by_index+0x5e/0x80 [15549.221844][ T7704] fib6_nh_init+0x3d8/0x15b0 [15549.221844][ T7704] ip6_route_info_create+0xf18/0x17d0 [15549.221844][ T7704] ip6_route_add+0x1c/0x140 [15549.221844][ T7704] addrconf_prefix_route+0x2a6/0x430 [15549.221844][ T7704] inet6_addr_add+0x4f8/0xa40 [15549.221844][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15549.221844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15549.221844][ T7704] netlink_rcv_skb+0x130/0x360 [15549.221844][ T7704] netlink_unicast+0x449/0x710 [15549.221844][ T7704] netlink_sendmsg+0x723/0xbe0 [15549.221844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15549.221844][ T7704] ___sys_sendmsg+0xee/0x170 [15549.221844][ T7704] __sys_sendmsg+0xcd/0x170 [15549.221844][ T7704] do_syscall_64+0xc6/0x1e0 [15549.221844][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15549.221844][ T7704] [15549.224131][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15549.224131][ T7704] netdev_get_by_index+0x5e/0x80 [15549.224131][ T7704] fib6_nh_init+0x3d8/0x15b0 [15549.224131][ T7704] ip6_route_info_create+0xf18/0x17d0 [15549.224131][ T7704] addrconf_f6i_alloc+0x315/0x560 [15549.224131][ T7704] ipv6_add_addr+0x411/0x2000 [15549.224131][ T7704] inet6_addr_add+0x30e/0xa40 [15549.224131][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15549.224131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15549.224131][ T7704] netlink_rcv_skb+0x130/0x360 [15549.224131][ T7704] netlink_unicast+0x449/0x710 [15549.224131][ T7704] netlink_sendmsg+0x723/0xbe0 [15549.224131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15549.224131][ T7704] ___sys_sendmsg+0xee/0x170 [15549.224131][ T7704] __sys_sendmsg+0xcd/0x170 [15549.224131][ T7704] do_syscall_64+0xc6/0x1e0 [15549.224131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15549.224131][ T7704] [15549.226362][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15549.226362][ T7704] netdev_get_by_index+0x5e/0x80 [15549.226362][ T7704] fib6_nh_init+0x3d8/0x15b0 [15549.226362][ T7704] ip6_route_info_create+0xf18/0x17d0 [15549.226362][ T7704] ip6_route_add+0x1c/0x140 [15549.226362][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15549.226362][ T7704] addrconf_add_dev+0xe2/0x170 [15549.226362][ T7704] inet6_addr_add+0x12f/0xa40 [15549.226362][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15549.226362][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15549.226362][ T7704] netlink_rcv_skb+0x130/0x360 [15549.226362][ T7704] netlink_unicast+0x449/0x710 [15549.226362][ T7704] netlink_sendmsg+0x723/0xbe0 [15549.226362][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15549.226362][ T7704] ___sys_sendmsg+0xee/0x170 [15549.226362][ T7704] __sys_sendmsg+0xcd/0x170 [15549.226362][ T7704] do_syscall_64+0xc6/0x1e0 [15549.226362][ T7704] [15549.228561][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15549.228561][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15549.228561][ T7704] ipv6_find_idev+0x102/0x170 [15549.228561][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15549.228561][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15549.228561][ T7704] netlink_rcv_skb+0x130/0x360 [15549.228561][ T7704] netlink_unicast+0x449/0x710 [15549.228561][ T7704] netlink_sendmsg+0x723/0xbe0 [15549.228561][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15549.228561][ T7704] ___sys_sendmsg+0xee/0x170 [15549.228561][ T7704] __sys_sendmsg+0xcd/0x170 [15549.228561][ T7704] do_syscall_64+0xc6/0x1e0 [15549.228561][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15549.228561][ T7704] [15549.230295][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15549.230295][ T7704] neigh_parms_alloc+0x1e5/0x510 [15549.230295][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15549.230295][ T7704] ipv6_find_idev+0x102/0x170 [15549.230295][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15549.230295][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15549.230295][ T7704] netlink_rcv_skb+0x130/0x360 [15549.230295][ T7704] netlink_unicast+0x449/0x710 [15549.230295][ T7704] netlink_sendmsg+0x723/0xbe0 [15549.230295][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15549.230295][ T7704] ___sys_sendmsg+0xee/0x170 [15549.230295][ T7704] __sys_sendmsg+0xcd/0x170 [15549.230295][ T7704] do_syscall_64+0xc6/0x1e0 [15549.230295][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15549.230295][ T7704] [15559.468992][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15559.469561][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15559.469561][ T7704] netdev_get_by_index+0x5e/0x80 [15559.469561][ T7704] fib6_nh_init+0x3d8/0x15b0 [15559.469561][ T7704] ip6_route_info_create+0xf18/0x17d0 [15559.469561][ T7704] ip6_route_add+0x1c/0x140 [15559.469561][ T7704] addrconf_prefix_route+0x2a6/0x430 [15559.469561][ T7704] inet6_addr_add+0x4f8/0xa40 [15559.469561][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15559.469561][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15559.469561][ T7704] netlink_rcv_skb+0x130/0x360 [15559.469561][ T7704] netlink_unicast+0x449/0x710 [15559.469561][ T7704] netlink_sendmsg+0x723/0xbe0 [15559.469561][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15559.469561][ T7704] ___sys_sendmsg+0xee/0x170 [15559.469561][ T7704] __sys_sendmsg+0xcd/0x170 [15559.469561][ T7704] do_syscall_64+0xc6/0x1e0 [15559.469561][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15559.469561][ T7704] [15559.471823][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15559.471823][ T7704] netdev_get_by_index+0x5e/0x80 [15559.471823][ T7704] fib6_nh_init+0x3d8/0x15b0 [15559.471823][ T7704] ip6_route_info_create+0xf18/0x17d0 [15559.471823][ T7704] addrconf_f6i_alloc+0x315/0x560 [15559.471823][ T7704] ipv6_add_addr+0x411/0x2000 [15559.471823][ T7704] inet6_addr_add+0x30e/0xa40 [15559.471823][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15559.471823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15559.471823][ T7704] netlink_rcv_skb+0x130/0x360 [15559.471823][ T7704] netlink_unicast+0x449/0x710 [15559.471823][ T7704] netlink_sendmsg+0x723/0xbe0 [15559.471823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15559.471823][ T7704] ___sys_sendmsg+0xee/0x170 [15559.471823][ T7704] __sys_sendmsg+0xcd/0x170 [15559.471823][ T7704] do_syscall_64+0xc6/0x1e0 [15559.471823][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15559.471823][ T7704] [15559.474098][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15559.474098][ T7704] netdev_get_by_index+0x5e/0x80 [15559.474098][ T7704] fib6_nh_init+0x3d8/0x15b0 [15559.474098][ T7704] ip6_route_info_create+0xf18/0x17d0 [15559.474098][ T7704] ip6_route_add+0x1c/0x140 [15559.474098][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15559.474098][ T7704] addrconf_add_dev+0xe2/0x170 [15559.474098][ T7704] inet6_addr_add+0x12f/0xa40 [15559.474098][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15559.474098][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15559.474098][ T7704] netlink_rcv_skb+0x130/0x360 [15559.474098][ T7704] netlink_unicast+0x449/0x710 [15559.474098][ T7704] netlink_sendmsg+0x723/0xbe0 [15559.474098][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15559.474098][ T7704] ___sys_sendmsg+0xee/0x170 [15559.474098][ T7704] __sys_sendmsg+0xcd/0x170 [15559.474098][ T7704] do_syscall_64+0xc6/0x1e0 [15559.474098][ T7704] [15559.476339][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15559.476339][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15559.476339][ T7704] ipv6_find_idev+0x102/0x170 [15559.476339][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15559.476339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15559.476339][ T7704] netlink_rcv_skb+0x130/0x360 [15559.476339][ T7704] netlink_unicast+0x449/0x710 [15559.476339][ T7704] netlink_sendmsg+0x723/0xbe0 [15559.476339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15559.476339][ T7704] ___sys_sendmsg+0xee/0x170 [15559.476339][ T7704] __sys_sendmsg+0xcd/0x170 [15559.476339][ T7704] do_syscall_64+0xc6/0x1e0 [15559.476339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15559.476339][ T7704] [15559.478088][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15559.478088][ T7704] neigh_parms_alloc+0x1e5/0x510 [15559.478088][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15559.478088][ T7704] ipv6_find_idev+0x102/0x170 [15559.478088][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15559.478088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15559.478088][ T7704] netlink_rcv_skb+0x130/0x360 [15559.478088][ T7704] netlink_unicast+0x449/0x710 [15559.478088][ T7704] netlink_sendmsg+0x723/0xbe0 [15559.478088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15559.478088][ T7704] ___sys_sendmsg+0xee/0x170 [15559.478088][ T7704] __sys_sendmsg+0xcd/0x170 [15559.478088][ T7704] do_syscall_64+0xc6/0x1e0 [15559.478088][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15559.478088][ T7704] [15569.628927][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15569.629603][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15569.629603][ T7704] netdev_get_by_index+0x5e/0x80 [15569.629603][ T7704] fib6_nh_init+0x3d8/0x15b0 [15569.629603][ T7704] ip6_route_info_create+0xf18/0x17d0 [15569.629603][ T7704] ip6_route_add+0x1c/0x140 [15569.629603][ T7704] addrconf_prefix_route+0x2a6/0x430 [15569.629603][ T7704] inet6_addr_add+0x4f8/0xa40 [15569.629603][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15569.629603][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15569.629603][ T7704] netlink_rcv_skb+0x130/0x360 [15569.629603][ T7704] netlink_unicast+0x449/0x710 [15569.629603][ T7704] netlink_sendmsg+0x723/0xbe0 [15569.629603][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15569.629603][ T7704] ___sys_sendmsg+0xee/0x170 [15569.629603][ T7704] __sys_sendmsg+0xcd/0x170 [15569.629603][ T7704] do_syscall_64+0xc6/0x1e0 [15569.629603][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15569.629603][ T7704] [15569.632073][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15569.632073][ T7704] netdev_get_by_index+0x5e/0x80 [15569.632073][ T7704] fib6_nh_init+0x3d8/0x15b0 [15569.632073][ T7704] ip6_route_info_create+0xf18/0x17d0 [15569.632073][ T7704] addrconf_f6i_alloc+0x315/0x560 [15569.632073][ T7704] ipv6_add_addr+0x411/0x2000 [15569.632073][ T7704] inet6_addr_add+0x30e/0xa40 [15569.632073][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15569.632073][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15569.632073][ T7704] netlink_rcv_skb+0x130/0x360 [15569.632073][ T7704] netlink_unicast+0x449/0x710 [15569.632073][ T7704] netlink_sendmsg+0x723/0xbe0 [15569.632073][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15569.632073][ T7704] ___sys_sendmsg+0xee/0x170 [15569.632073][ T7704] __sys_sendmsg+0xcd/0x170 [15569.632073][ T7704] do_syscall_64+0xc6/0x1e0 [15569.632073][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15569.632073][ T7704] [15569.634478][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15569.634478][ T7704] netdev_get_by_index+0x5e/0x80 [15569.634478][ T7704] fib6_nh_init+0x3d8/0x15b0 [15569.634478][ T7704] ip6_route_info_create+0xf18/0x17d0 [15569.634478][ T7704] ip6_route_add+0x1c/0x140 [15569.634478][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15569.634478][ T7704] addrconf_add_dev+0xe2/0x170 [15569.634478][ T7704] inet6_addr_add+0x12f/0xa40 [15569.634478][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15569.634478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15569.634478][ T7704] netlink_rcv_skb+0x130/0x360 [15569.634478][ T7704] netlink_unicast+0x449/0x710 [15569.634478][ T7704] netlink_sendmsg+0x723/0xbe0 [15569.634478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15569.634478][ T7704] ___sys_sendmsg+0xee/0x170 [15569.634478][ T7704] __sys_sendmsg+0xcd/0x170 [15569.634478][ T7704] do_syscall_64+0xc6/0x1e0 [15569.634478][ T7704] [15569.636903][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15569.636903][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15569.636903][ T7704] ipv6_find_idev+0x102/0x170 [15569.636903][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15569.636903][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15569.636903][ T7704] netlink_rcv_skb+0x130/0x360 [15569.636903][ T7704] netlink_unicast+0x449/0x710 [15569.636903][ T7704] netlink_sendmsg+0x723/0xbe0 [15569.636903][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15569.636903][ T7704] ___sys_sendmsg+0xee/0x170 [15569.636903][ T7704] __sys_sendmsg+0xcd/0x170 [15569.636903][ T7704] do_syscall_64+0xc6/0x1e0 [15569.636903][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15569.636903][ T7704] [15569.638794][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15569.638794][ T7704] neigh_parms_alloc+0x1e5/0x510 [15569.638794][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15569.638794][ T7704] ipv6_find_idev+0x102/0x170 [15569.638794][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15569.638794][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15569.638794][ T7704] netlink_rcv_skb+0x130/0x360 [15569.638794][ T7704] netlink_unicast+0x449/0x710 [15569.638794][ T7704] netlink_sendmsg+0x723/0xbe0 [15569.638794][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15569.638794][ T7704] ___sys_sendmsg+0xee/0x170 [15569.638794][ T7704] __sys_sendmsg+0xcd/0x170 [15569.638794][ T7704] do_syscall_64+0xc6/0x1e0 [15569.638794][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15569.638794][ T7704] [15579.804847][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15579.805370][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15579.805370][ T7704] netdev_get_by_index+0x5e/0x80 [15579.805370][ T7704] fib6_nh_init+0x3d8/0x15b0 [15579.805370][ T7704] ip6_route_info_create+0xf18/0x17d0 [15579.805370][ T7704] ip6_route_add+0x1c/0x140 [15579.805370][ T7704] addrconf_prefix_route+0x2a6/0x430 [15579.805370][ T7704] inet6_addr_add+0x4f8/0xa40 [15579.805370][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15579.805370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15579.805370][ T7704] netlink_rcv_skb+0x130/0x360 [15579.805370][ T7704] netlink_unicast+0x449/0x710 [15579.805370][ T7704] netlink_sendmsg+0x723/0xbe0 [15579.805370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15579.805370][ T7704] ___sys_sendmsg+0xee/0x170 [15579.805370][ T7704] __sys_sendmsg+0xcd/0x170 [15579.805370][ T7704] do_syscall_64+0xc6/0x1e0 [15579.805370][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15579.805370][ T7704] [15579.807842][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15579.807842][ T7704] netdev_get_by_index+0x5e/0x80 [15579.807842][ T7704] fib6_nh_init+0x3d8/0x15b0 [15579.807842][ T7704] ip6_route_info_create+0xf18/0x17d0 [15579.807842][ T7704] addrconf_f6i_alloc+0x315/0x560 [15579.807842][ T7704] ipv6_add_addr+0x411/0x2000 [15579.807842][ T7704] inet6_addr_add+0x30e/0xa40 [15579.807842][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15579.807842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15579.807842][ T7704] netlink_rcv_skb+0x130/0x360 [15579.807842][ T7704] netlink_unicast+0x449/0x710 [15579.807842][ T7704] netlink_sendmsg+0x723/0xbe0 [15579.807842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15579.807842][ T7704] ___sys_sendmsg+0xee/0x170 [15579.807842][ T7704] __sys_sendmsg+0xcd/0x170 [15579.807842][ T7704] do_syscall_64+0xc6/0x1e0 [15579.807842][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15579.807842][ T7704] [15579.810298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15579.810298][ T7704] netdev_get_by_index+0x5e/0x80 [15579.810298][ T7704] fib6_nh_init+0x3d8/0x15b0 [15579.810298][ T7704] ip6_route_info_create+0xf18/0x17d0 [15579.810298][ T7704] ip6_route_add+0x1c/0x140 [15579.810298][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15579.810298][ T7704] addrconf_add_dev+0xe2/0x170 [15579.810298][ T7704] inet6_addr_add+0x12f/0xa40 [15579.810298][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15579.810298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15579.810298][ T7704] netlink_rcv_skb+0x130/0x360 [15579.810298][ T7704] netlink_unicast+0x449/0x710 [15579.810298][ T7704] netlink_sendmsg+0x723/0xbe0 [15579.810298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15579.810298][ T7704] ___sys_sendmsg+0xee/0x170 [15579.810298][ T7704] __sys_sendmsg+0xcd/0x170 [15579.810298][ T7704] do_syscall_64+0xc6/0x1e0 [15579.810298][ T7704] [15579.812681][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15579.812681][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15579.812681][ T7704] ipv6_find_idev+0x102/0x170 [15579.812681][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15579.812681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15579.812681][ T7704] netlink_rcv_skb+0x130/0x360 [15579.812681][ T7704] netlink_unicast+0x449/0x710 [15579.812681][ T7704] netlink_sendmsg+0x723/0xbe0 [15579.812681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15579.812681][ T7704] ___sys_sendmsg+0xee/0x170 [15579.812681][ T7704] __sys_sendmsg+0xcd/0x170 [15579.812681][ T7704] do_syscall_64+0xc6/0x1e0 [15579.812681][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15579.812681][ T7704] [15579.814559][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15579.814559][ T7704] neigh_parms_alloc+0x1e5/0x510 [15579.814559][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15579.814559][ T7704] ipv6_find_idev+0x102/0x170 [15579.814559][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15579.814559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15579.814559][ T7704] netlink_rcv_skb+0x130/0x360 [15579.814559][ T7704] netlink_unicast+0x449/0x710 [15579.814559][ T7704] netlink_sendmsg+0x723/0xbe0 [15579.814559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15579.814559][ T7704] ___sys_sendmsg+0xee/0x170 [15579.814559][ T7704] __sys_sendmsg+0xcd/0x170 [15579.814559][ T7704] do_syscall_64+0xc6/0x1e0 [15579.814559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15579.814559][ T7704] [15590.060852][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15590.061346][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15590.061346][ T7704] netdev_get_by_index+0x5e/0x80 [15590.061346][ T7704] fib6_nh_init+0x3d8/0x15b0 [15590.061346][ T7704] ip6_route_info_create+0xf18/0x17d0 [15590.061346][ T7704] ip6_route_add+0x1c/0x140 [15590.061346][ T7704] addrconf_prefix_route+0x2a6/0x430 [15590.061346][ T7704] inet6_addr_add+0x4f8/0xa40 [15590.061346][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15590.061346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15590.061346][ T7704] netlink_rcv_skb+0x130/0x360 [15590.061346][ T7704] netlink_unicast+0x449/0x710 [15590.061346][ T7704] netlink_sendmsg+0x723/0xbe0 [15590.061346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15590.061346][ T7704] ___sys_sendmsg+0xee/0x170 [15590.061346][ T7704] __sys_sendmsg+0xcd/0x170 [15590.061346][ T7704] do_syscall_64+0xc6/0x1e0 [15590.061346][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15590.061346][ T7704] [15590.063793][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15590.063793][ T7704] netdev_get_by_index+0x5e/0x80 [15590.063793][ T7704] fib6_nh_init+0x3d8/0x15b0 [15590.063793][ T7704] ip6_route_info_create+0xf18/0x17d0 [15590.063793][ T7704] addrconf_f6i_alloc+0x315/0x560 [15590.063793][ T7704] ipv6_add_addr+0x411/0x2000 [15590.063793][ T7704] inet6_addr_add+0x30e/0xa40 [15590.063793][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15590.063793][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15590.063793][ T7704] netlink_rcv_skb+0x130/0x360 [15590.063793][ T7704] netlink_unicast+0x449/0x710 [15590.063793][ T7704] netlink_sendmsg+0x723/0xbe0 [15590.063793][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15590.063793][ T7704] ___sys_sendmsg+0xee/0x170 [15590.063793][ T7704] __sys_sendmsg+0xcd/0x170 [15590.063793][ T7704] do_syscall_64+0xc6/0x1e0 [15590.063793][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15590.063793][ T7704] [15590.066204][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15590.066204][ T7704] netdev_get_by_index+0x5e/0x80 [15590.066204][ T7704] fib6_nh_init+0x3d8/0x15b0 [15590.066204][ T7704] ip6_route_info_create+0xf18/0x17d0 [15590.066204][ T7704] ip6_route_add+0x1c/0x140 [15590.066204][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15590.066204][ T7704] addrconf_add_dev+0xe2/0x170 [15590.066204][ T7704] inet6_addr_add+0x12f/0xa40 [15590.066204][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15590.066204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15590.066204][ T7704] netlink_rcv_skb+0x130/0x360 [15590.066204][ T7704] netlink_unicast+0x449/0x710 [15590.066204][ T7704] netlink_sendmsg+0x723/0xbe0 [15590.066204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15590.066204][ T7704] ___sys_sendmsg+0xee/0x170 [15590.066204][ T7704] __sys_sendmsg+0xcd/0x170 [15590.066204][ T7704] do_syscall_64+0xc6/0x1e0 [15590.066204][ T7704] [15590.068577][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15590.068577][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15590.068577][ T7704] ipv6_find_idev+0x102/0x170 [15590.068577][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15590.068577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15590.068577][ T7704] netlink_rcv_skb+0x130/0x360 [15590.068577][ T7704] netlink_unicast+0x449/0x710 [15590.068577][ T7704] netlink_sendmsg+0x723/0xbe0 [15590.068577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15590.068577][ T7704] ___sys_sendmsg+0xee/0x170 [15590.068577][ T7704] __sys_sendmsg+0xcd/0x170 [15590.068577][ T7704] do_syscall_64+0xc6/0x1e0 [15590.068577][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15590.068577][ T7704] [15590.070451][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15590.070451][ T7704] neigh_parms_alloc+0x1e5/0x510 [15590.070451][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15590.070451][ T7704] ipv6_find_idev+0x102/0x170 [15590.070451][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15590.070451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15590.070451][ T7704] netlink_rcv_skb+0x130/0x360 [15590.070451][ T7704] netlink_unicast+0x449/0x710 [15590.070451][ T7704] netlink_sendmsg+0x723/0xbe0 [15590.070451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15590.070451][ T7704] ___sys_sendmsg+0xee/0x170 [15590.070451][ T7704] __sys_sendmsg+0xcd/0x170 [15590.070451][ T7704] do_syscall_64+0xc6/0x1e0 [15590.070451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15590.070451][ T7704] [15600.268846][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15600.269454][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15600.269454][ T7704] netdev_get_by_index+0x5e/0x80 [15600.269454][ T7704] fib6_nh_init+0x3d8/0x15b0 [15600.269454][ T7704] ip6_route_info_create+0xf18/0x17d0 [15600.269454][ T7704] ip6_route_add+0x1c/0x140 [15600.269454][ T7704] addrconf_prefix_route+0x2a6/0x430 [15600.269454][ T7704] inet6_addr_add+0x4f8/0xa40 [15600.269454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15600.269454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15600.269454][ T7704] netlink_rcv_skb+0x130/0x360 [15600.269454][ T7704] netlink_unicast+0x449/0x710 [15600.269454][ T7704] netlink_sendmsg+0x723/0xbe0 [15600.269454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15600.269454][ T7704] ___sys_sendmsg+0xee/0x170 [15600.269454][ T7704] __sys_sendmsg+0xcd/0x170 [15600.269454][ T7704] do_syscall_64+0xc6/0x1e0 [15600.269454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15600.269454][ T7704] [15600.272136][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15600.272136][ T7704] netdev_get_by_index+0x5e/0x80 [15600.272136][ T7704] fib6_nh_init+0x3d8/0x15b0 [15600.272136][ T7704] ip6_route_info_create+0xf18/0x17d0 [15600.272136][ T7704] addrconf_f6i_alloc+0x315/0x560 [15600.272136][ T7704] ipv6_add_addr+0x411/0x2000 [15600.272136][ T7704] inet6_addr_add+0x30e/0xa40 [15600.272136][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15600.272136][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15600.272136][ T7704] netlink_rcv_skb+0x130/0x360 [15600.272136][ T7704] netlink_unicast+0x449/0x710 [15600.272136][ T7704] netlink_sendmsg+0x723/0xbe0 [15600.272136][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15600.272136][ T7704] ___sys_sendmsg+0xee/0x170 [15600.272136][ T7704] __sys_sendmsg+0xcd/0x170 [15600.272136][ T7704] do_syscall_64+0xc6/0x1e0 [15600.272136][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15600.272136][ T7704] [15600.274577][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15600.274577][ T7704] netdev_get_by_index+0x5e/0x80 [15600.274577][ T7704] fib6_nh_init+0x3d8/0x15b0 [15600.274577][ T7704] ip6_route_info_create+0xf18/0x17d0 [15600.274577][ T7704] ip6_route_add+0x1c/0x140 [15600.274577][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15600.274577][ T7704] addrconf_add_dev+0xe2/0x170 [15600.274577][ T7704] inet6_addr_add+0x12f/0xa40 [15600.274577][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15600.274577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15600.274577][ T7704] netlink_rcv_skb+0x130/0x360 [15600.274577][ T7704] netlink_unicast+0x449/0x710 [15600.274577][ T7704] netlink_sendmsg+0x723/0xbe0 [15600.274577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15600.274577][ T7704] ___sys_sendmsg+0xee/0x170 [15600.274577][ T7704] __sys_sendmsg+0xcd/0x170 [15600.274577][ T7704] do_syscall_64+0xc6/0x1e0 [15600.274577][ T7704] [15600.276912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15600.276912][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15600.276912][ T7704] ipv6_find_idev+0x102/0x170 [15600.276912][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15600.276912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15600.276912][ T7704] netlink_rcv_skb+0x130/0x360 [15600.276912][ T7704] netlink_unicast+0x449/0x710 [15600.276912][ T7704] netlink_sendmsg+0x723/0xbe0 [15600.276912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15600.276912][ T7704] ___sys_sendmsg+0xee/0x170 [15600.276912][ T7704] __sys_sendmsg+0xcd/0x170 [15600.276912][ T7704] do_syscall_64+0xc6/0x1e0 [15600.276912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15600.276912][ T7704] [15600.278856][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15600.278856][ T7704] neigh_parms_alloc+0x1e5/0x510 [15600.278856][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15600.278856][ T7704] ipv6_find_idev+0x102/0x170 [15600.278856][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15600.278856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15600.278856][ T7704] netlink_rcv_skb+0x130/0x360 [15600.278856][ T7704] netlink_unicast+0x449/0x710 [15600.278856][ T7704] netlink_sendmsg+0x723/0xbe0 [15600.278856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15600.278856][ T7704] ___sys_sendmsg+0xee/0x170 [15600.278856][ T7704] __sys_sendmsg+0xcd/0x170 [15600.278856][ T7704] do_syscall_64+0xc6/0x1e0 [15600.278856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15600.278856][ T7704] [15610.516910][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15610.517419][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15610.517419][ T7704] netdev_get_by_index+0x5e/0x80 [15610.517419][ T7704] fib6_nh_init+0x3d8/0x15b0 [15610.517419][ T7704] ip6_route_info_create+0xf18/0x17d0 [15610.517419][ T7704] ip6_route_add+0x1c/0x140 [15610.517419][ T7704] addrconf_prefix_route+0x2a6/0x430 [15610.517419][ T7704] inet6_addr_add+0x4f8/0xa40 [15610.517419][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15610.517419][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15610.517419][ T7704] netlink_rcv_skb+0x130/0x360 [15610.517419][ T7704] netlink_unicast+0x449/0x710 [15610.517419][ T7704] netlink_sendmsg+0x723/0xbe0 [15610.517419][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15610.517419][ T7704] ___sys_sendmsg+0xee/0x170 [15610.517419][ T7704] __sys_sendmsg+0xcd/0x170 [15610.517419][ T7704] do_syscall_64+0xc6/0x1e0 [15610.517419][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15610.517419][ T7704] [15610.519885][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15610.519885][ T7704] netdev_get_by_index+0x5e/0x80 [15610.519885][ T7704] fib6_nh_init+0x3d8/0x15b0 [15610.519885][ T7704] ip6_route_info_create+0xf18/0x17d0 [15610.519885][ T7704] addrconf_f6i_alloc+0x315/0x560 [15610.519885][ T7704] ipv6_add_addr+0x411/0x2000 [15610.519885][ T7704] inet6_addr_add+0x30e/0xa40 [15610.519885][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15610.519885][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15610.519885][ T7704] netlink_rcv_skb+0x130/0x360 [15610.519885][ T7704] netlink_unicast+0x449/0x710 [15610.519885][ T7704] netlink_sendmsg+0x723/0xbe0 [15610.519885][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15610.519885][ T7704] ___sys_sendmsg+0xee/0x170 [15610.519885][ T7704] __sys_sendmsg+0xcd/0x170 [15610.519885][ T7704] do_syscall_64+0xc6/0x1e0 [15610.519885][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15610.519885][ T7704] [15610.522272][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15610.522272][ T7704] netdev_get_by_index+0x5e/0x80 [15610.522272][ T7704] fib6_nh_init+0x3d8/0x15b0 [15610.522272][ T7704] ip6_route_info_create+0xf18/0x17d0 [15610.522272][ T7704] ip6_route_add+0x1c/0x140 [15610.522272][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15610.522272][ T7704] addrconf_add_dev+0xe2/0x170 [15610.522272][ T7704] inet6_addr_add+0x12f/0xa40 [15610.522272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15610.522272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15610.522272][ T7704] netlink_rcv_skb+0x130/0x360 [15610.522272][ T7704] netlink_unicast+0x449/0x710 [15610.522272][ T7704] netlink_sendmsg+0x723/0xbe0 [15610.522272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15610.522272][ T7704] ___sys_sendmsg+0xee/0x170 [15610.522272][ T7704] __sys_sendmsg+0xcd/0x170 [15610.522272][ T7704] do_syscall_64+0xc6/0x1e0 [15610.522272][ T7704] [15610.524637][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15610.524637][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15610.524637][ T7704] ipv6_find_idev+0x102/0x170 [15610.524637][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15610.524637][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15610.524637][ T7704] netlink_rcv_skb+0x130/0x360 [15610.524637][ T7704] netlink_unicast+0x449/0x710 [15610.524637][ T7704] netlink_sendmsg+0x723/0xbe0 [15610.524637][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15610.524637][ T7704] ___sys_sendmsg+0xee/0x170 [15610.524637][ T7704] __sys_sendmsg+0xcd/0x170 [15610.524637][ T7704] do_syscall_64+0xc6/0x1e0 [15610.524637][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15610.524637][ T7704] [15610.526485][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15610.526485][ T7704] neigh_parms_alloc+0x1e5/0x510 [15610.526485][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15610.526485][ T7704] ipv6_find_idev+0x102/0x170 [15610.526485][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15610.526485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15610.526485][ T7704] netlink_rcv_skb+0x130/0x360 [15610.526485][ T7704] netlink_unicast+0x449/0x710 [15610.526485][ T7704] netlink_sendmsg+0x723/0xbe0 [15610.526485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15610.526485][ T7704] ___sys_sendmsg+0xee/0x170 [15610.526485][ T7704] __sys_sendmsg+0xcd/0x170 [15610.526485][ T7704] do_syscall_64+0xc6/0x1e0 [15610.526485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15610.526485][ T7704] [15620.764843][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15620.765349][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15620.765349][ T7704] netdev_get_by_index+0x5e/0x80 [15620.765349][ T7704] fib6_nh_init+0x3d8/0x15b0 [15620.765349][ T7704] ip6_route_info_create+0xf18/0x17d0 [15620.765349][ T7704] ip6_route_add+0x1c/0x140 [15620.765349][ T7704] addrconf_prefix_route+0x2a6/0x430 [15620.765349][ T7704] inet6_addr_add+0x4f8/0xa40 [15620.765349][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15620.765349][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15620.765349][ T7704] netlink_rcv_skb+0x130/0x360 [15620.765349][ T7704] netlink_unicast+0x449/0x710 [15620.765349][ T7704] netlink_sendmsg+0x723/0xbe0 [15620.765349][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15620.765349][ T7704] ___sys_sendmsg+0xee/0x170 [15620.765349][ T7704] __sys_sendmsg+0xcd/0x170 [15620.765349][ T7704] do_syscall_64+0xc6/0x1e0 [15620.765349][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15620.765349][ T7704] [15620.767778][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15620.767778][ T7704] netdev_get_by_index+0x5e/0x80 [15620.767778][ T7704] fib6_nh_init+0x3d8/0x15b0 [15620.767778][ T7704] ip6_route_info_create+0xf18/0x17d0 [15620.767778][ T7704] addrconf_f6i_alloc+0x315/0x560 [15620.767778][ T7704] ipv6_add_addr+0x411/0x2000 [15620.767778][ T7704] inet6_addr_add+0x30e/0xa40 [15620.767778][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15620.767778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15620.767778][ T7704] netlink_rcv_skb+0x130/0x360 [15620.767778][ T7704] netlink_unicast+0x449/0x710 [15620.767778][ T7704] netlink_sendmsg+0x723/0xbe0 [15620.767778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15620.767778][ T7704] ___sys_sendmsg+0xee/0x170 [15620.767778][ T7704] __sys_sendmsg+0xcd/0x170 [15620.767778][ T7704] do_syscall_64+0xc6/0x1e0 [15620.767778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15620.767778][ T7704] [15620.770207][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15620.770207][ T7704] netdev_get_by_index+0x5e/0x80 [15620.770207][ T7704] fib6_nh_init+0x3d8/0x15b0 [15620.770207][ T7704] ip6_route_info_create+0xf18/0x17d0 [15620.770207][ T7704] ip6_route_add+0x1c/0x140 [15620.770207][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15620.770207][ T7704] addrconf_add_dev+0xe2/0x170 [15620.770207][ T7704] inet6_addr_add+0x12f/0xa40 [15620.770207][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15620.770207][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15620.770207][ T7704] netlink_rcv_skb+0x130/0x360 [15620.770207][ T7704] netlink_unicast+0x449/0x710 [15620.770207][ T7704] netlink_sendmsg+0x723/0xbe0 [15620.770207][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15620.770207][ T7704] ___sys_sendmsg+0xee/0x170 [15620.770207][ T7704] __sys_sendmsg+0xcd/0x170 [15620.770207][ T7704] do_syscall_64+0xc6/0x1e0 [15620.770207][ T7704] [15620.772576][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15620.772576][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15620.772576][ T7704] ipv6_find_idev+0x102/0x170 [15620.772576][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15620.772576][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15620.772576][ T7704] netlink_rcv_skb+0x130/0x360 [15620.772576][ T7704] netlink_unicast+0x449/0x710 [15620.772576][ T7704] netlink_sendmsg+0x723/0xbe0 [15620.772576][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15620.772576][ T7704] ___sys_sendmsg+0xee/0x170 [15620.772576][ T7704] __sys_sendmsg+0xcd/0x170 [15620.772576][ T7704] do_syscall_64+0xc6/0x1e0 [15620.772576][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15620.772576][ T7704] [15620.774436][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15620.774436][ T7704] neigh_parms_alloc+0x1e5/0x510 [15620.774436][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15620.774436][ T7704] ipv6_find_idev+0x102/0x170 [15620.774436][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15620.774436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15620.774436][ T7704] netlink_rcv_skb+0x130/0x360 [15620.774436][ T7704] netlink_unicast+0x449/0x710 [15620.774436][ T7704] netlink_sendmsg+0x723/0xbe0 [15620.774436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15620.774436][ T7704] ___sys_sendmsg+0xee/0x170 [15620.774436][ T7704] __sys_sendmsg+0xcd/0x170 [15620.774436][ T7704] do_syscall_64+0xc6/0x1e0 [15620.774436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15620.774436][ T7704] [15631.004856][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15631.005377][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15631.005377][ T7704] netdev_get_by_index+0x5e/0x80 [15631.005377][ T7704] fib6_nh_init+0x3d8/0x15b0 [15631.005377][ T7704] ip6_route_info_create+0xf18/0x17d0 [15631.005377][ T7704] ip6_route_add+0x1c/0x140 [15631.005377][ T7704] addrconf_prefix_route+0x2a6/0x430 [15631.005377][ T7704] inet6_addr_add+0x4f8/0xa40 [15631.005377][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15631.005377][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15631.005377][ T7704] netlink_rcv_skb+0x130/0x360 [15631.005377][ T7704] netlink_unicast+0x449/0x710 [15631.005377][ T7704] netlink_sendmsg+0x723/0xbe0 [15631.005377][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15631.005377][ T7704] ___sys_sendmsg+0xee/0x170 [15631.005377][ T7704] __sys_sendmsg+0xcd/0x170 [15631.005377][ T7704] do_syscall_64+0xc6/0x1e0 [15631.005377][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15631.005377][ T7704] [15631.007832][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15631.007832][ T7704] netdev_get_by_index+0x5e/0x80 [15631.007832][ T7704] fib6_nh_init+0x3d8/0x15b0 [15631.007832][ T7704] ip6_route_info_create+0xf18/0x17d0 [15631.007832][ T7704] addrconf_f6i_alloc+0x315/0x560 [15631.007832][ T7704] ipv6_add_addr+0x411/0x2000 [15631.007832][ T7704] inet6_addr_add+0x30e/0xa40 [15631.007832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15631.007832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15631.007832][ T7704] netlink_rcv_skb+0x130/0x360 [15631.007832][ T7704] netlink_unicast+0x449/0x710 [15631.007832][ T7704] netlink_sendmsg+0x723/0xbe0 [15631.007832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15631.007832][ T7704] ___sys_sendmsg+0xee/0x170 [15631.007832][ T7704] __sys_sendmsg+0xcd/0x170 [15631.007832][ T7704] do_syscall_64+0xc6/0x1e0 [15631.007832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15631.007832][ T7704] [15631.010268][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15631.010268][ T7704] netdev_get_by_index+0x5e/0x80 [15631.010268][ T7704] fib6_nh_init+0x3d8/0x15b0 [15631.010268][ T7704] ip6_route_info_create+0xf18/0x17d0 [15631.010268][ T7704] ip6_route_add+0x1c/0x140 [15631.010268][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15631.010268][ T7704] addrconf_add_dev+0xe2/0x170 [15631.010268][ T7704] inet6_addr_add+0x12f/0xa40 [15631.010268][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15631.010268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15631.010268][ T7704] netlink_rcv_skb+0x130/0x360 [15631.010268][ T7704] netlink_unicast+0x449/0x710 [15631.010268][ T7704] netlink_sendmsg+0x723/0xbe0 [15631.010268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15631.010268][ T7704] ___sys_sendmsg+0xee/0x170 [15631.010268][ T7704] __sys_sendmsg+0xcd/0x170 [15631.010268][ T7704] do_syscall_64+0xc6/0x1e0 [15631.010268][ T7704] [15631.012698][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15631.012698][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15631.012698][ T7704] ipv6_find_idev+0x102/0x170 [15631.012698][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15631.012698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15631.012698][ T7704] netlink_rcv_skb+0x130/0x360 [15631.012698][ T7704] netlink_unicast+0x449/0x710 [15631.012698][ T7704] netlink_sendmsg+0x723/0xbe0 [15631.012698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15631.012698][ T7704] ___sys_sendmsg+0xee/0x170 [15631.012698][ T7704] __sys_sendmsg+0xcd/0x170 [15631.012698][ T7704] do_syscall_64+0xc6/0x1e0 [15631.012698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15631.012698][ T7704] [15631.014544][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15631.014544][ T7704] neigh_parms_alloc+0x1e5/0x510 [15631.014544][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15631.014544][ T7704] ipv6_find_idev+0x102/0x170 [15631.014544][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15631.014544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15631.014544][ T7704] netlink_rcv_skb+0x130/0x360 [15631.014544][ T7704] netlink_unicast+0x449/0x710 [15631.014544][ T7704] netlink_sendmsg+0x723/0xbe0 [15631.014544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15631.014544][ T7704] ___sys_sendmsg+0xee/0x170 [15631.014544][ T7704] __sys_sendmsg+0xcd/0x170 [15631.014544][ T7704] do_syscall_64+0xc6/0x1e0 [15631.014544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15631.014544][ T7704] [15641.260825][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15641.261334][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15641.261334][ T7704] netdev_get_by_index+0x5e/0x80 [15641.261334][ T7704] fib6_nh_init+0x3d8/0x15b0 [15641.261334][ T7704] ip6_route_info_create+0xf18/0x17d0 [15641.261334][ T7704] ip6_route_add+0x1c/0x140 [15641.261334][ T7704] addrconf_prefix_route+0x2a6/0x430 [15641.261334][ T7704] inet6_addr_add+0x4f8/0xa40 [15641.261334][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15641.261334][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15641.261334][ T7704] netlink_rcv_skb+0x130/0x360 [15641.261334][ T7704] netlink_unicast+0x449/0x710 [15641.261334][ T7704] netlink_sendmsg+0x723/0xbe0 [15641.261334][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15641.261334][ T7704] ___sys_sendmsg+0xee/0x170 [15641.261334][ T7704] __sys_sendmsg+0xcd/0x170 [15641.261334][ T7704] do_syscall_64+0xc6/0x1e0 [15641.261334][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15641.261334][ T7704] [15641.263636][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15641.263636][ T7704] netdev_get_by_index+0x5e/0x80 [15641.263636][ T7704] fib6_nh_init+0x3d8/0x15b0 [15641.263636][ T7704] ip6_route_info_create+0xf18/0x17d0 [15641.263636][ T7704] addrconf_f6i_alloc+0x315/0x560 [15641.263636][ T7704] ipv6_add_addr+0x411/0x2000 [15641.263636][ T7704] inet6_addr_add+0x30e/0xa40 [15641.263636][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15641.263636][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15641.263636][ T7704] netlink_rcv_skb+0x130/0x360 [15641.263636][ T7704] netlink_unicast+0x449/0x710 [15641.263636][ T7704] netlink_sendmsg+0x723/0xbe0 [15641.263636][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15641.263636][ T7704] ___sys_sendmsg+0xee/0x170 [15641.263636][ T7704] __sys_sendmsg+0xcd/0x170 [15641.263636][ T7704] do_syscall_64+0xc6/0x1e0 [15641.263636][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15641.263636][ T7704] [15641.265888][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15641.265888][ T7704] netdev_get_by_index+0x5e/0x80 [15641.265888][ T7704] fib6_nh_init+0x3d8/0x15b0 [15641.265888][ T7704] ip6_route_info_create+0xf18/0x17d0 [15641.265888][ T7704] ip6_route_add+0x1c/0x140 [15641.265888][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15641.265888][ T7704] addrconf_add_dev+0xe2/0x170 [15641.265888][ T7704] inet6_addr_add+0x12f/0xa40 [15641.265888][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15641.265888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15641.265888][ T7704] netlink_rcv_skb+0x130/0x360 [15641.265888][ T7704] netlink_unicast+0x449/0x710 [15641.265888][ T7704] netlink_sendmsg+0x723/0xbe0 [15641.265888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15641.265888][ T7704] ___sys_sendmsg+0xee/0x170 [15641.265888][ T7704] __sys_sendmsg+0xcd/0x170 [15641.265888][ T7704] do_syscall_64+0xc6/0x1e0 [15641.265888][ T7704] [15641.268075][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15641.268075][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15641.268075][ T7704] ipv6_find_idev+0x102/0x170 [15641.268075][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15641.268075][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15641.268075][ T7704] netlink_rcv_skb+0x130/0x360 [15641.268075][ T7704] netlink_unicast+0x449/0x710 [15641.268075][ T7704] netlink_sendmsg+0x723/0xbe0 [15641.268075][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15641.268075][ T7704] ___sys_sendmsg+0xee/0x170 [15641.268075][ T7704] __sys_sendmsg+0xcd/0x170 [15641.268075][ T7704] do_syscall_64+0xc6/0x1e0 [15641.268075][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15641.268075][ T7704] [15641.269817][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15641.269817][ T7704] neigh_parms_alloc+0x1e5/0x510 [15641.269817][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15641.269817][ T7704] ipv6_find_idev+0x102/0x170 [15641.269817][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15641.269817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15641.269817][ T7704] netlink_rcv_skb+0x130/0x360 [15641.269817][ T7704] netlink_unicast+0x449/0x710 [15641.269817][ T7704] netlink_sendmsg+0x723/0xbe0 [15641.269817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15641.269817][ T7704] ___sys_sendmsg+0xee/0x170 [15641.269817][ T7704] __sys_sendmsg+0xcd/0x170 [15641.269817][ T7704] do_syscall_64+0xc6/0x1e0 [15641.269817][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15641.269817][ T7704] [15651.508908][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15651.509732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15651.509732][ T7704] netdev_get_by_index+0x5e/0x80 [15651.509732][ T7704] fib6_nh_init+0x3d8/0x15b0 [15651.509732][ T7704] ip6_route_info_create+0xf18/0x17d0 [15651.509732][ T7704] ip6_route_add+0x1c/0x140 [15651.509732][ T7704] addrconf_prefix_route+0x2a6/0x430 [15651.509732][ T7704] inet6_addr_add+0x4f8/0xa40 [15651.509732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15651.509732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15651.509732][ T7704] netlink_rcv_skb+0x130/0x360 [15651.509732][ T7704] netlink_unicast+0x449/0x710 [15651.509732][ T7704] netlink_sendmsg+0x723/0xbe0 [15651.509732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15651.509732][ T7704] ___sys_sendmsg+0xee/0x170 [15651.509732][ T7704] __sys_sendmsg+0xcd/0x170 [15651.509732][ T7704] do_syscall_64+0xc6/0x1e0 [15651.509732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15651.509732][ T7704] [15651.512028][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15651.512028][ T7704] netdev_get_by_index+0x5e/0x80 [15651.512028][ T7704] fib6_nh_init+0x3d8/0x15b0 [15651.512028][ T7704] ip6_route_info_create+0xf18/0x17d0 [15651.512028][ T7704] addrconf_f6i_alloc+0x315/0x560 [15651.512028][ T7704] ipv6_add_addr+0x411/0x2000 [15651.512028][ T7704] inet6_addr_add+0x30e/0xa40 [15651.512028][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15651.512028][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15651.512028][ T7704] netlink_rcv_skb+0x130/0x360 [15651.512028][ T7704] netlink_unicast+0x449/0x710 [15651.512028][ T7704] netlink_sendmsg+0x723/0xbe0 [15651.512028][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15651.512028][ T7704] ___sys_sendmsg+0xee/0x170 [15651.512028][ T7704] __sys_sendmsg+0xcd/0x170 [15651.512028][ T7704] do_syscall_64+0xc6/0x1e0 [15651.512028][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15651.512028][ T7704] [15651.514333][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15651.514333][ T7704] netdev_get_by_index+0x5e/0x80 [15651.514333][ T7704] fib6_nh_init+0x3d8/0x15b0 [15651.514333][ T7704] ip6_route_info_create+0xf18/0x17d0 [15651.514333][ T7704] ip6_route_add+0x1c/0x140 [15651.514333][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15651.514333][ T7704] addrconf_add_dev+0xe2/0x170 [15651.514333][ T7704] inet6_addr_add+0x12f/0xa40 [15651.514333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15651.514333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15651.514333][ T7704] netlink_rcv_skb+0x130/0x360 [15651.514333][ T7704] netlink_unicast+0x449/0x710 [15651.514333][ T7704] netlink_sendmsg+0x723/0xbe0 [15651.514333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15651.514333][ T7704] ___sys_sendmsg+0xee/0x170 [15651.514333][ T7704] __sys_sendmsg+0xcd/0x170 [15651.514333][ T7704] do_syscall_64+0xc6/0x1e0 [15651.514333][ T7704] [15651.516572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15651.516572][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15651.516572][ T7704] ipv6_find_idev+0x102/0x170 [15651.516572][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15651.516572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15651.516572][ T7704] netlink_rcv_skb+0x130/0x360 [15651.516572][ T7704] netlink_unicast+0x449/0x710 [15651.516572][ T7704] netlink_sendmsg+0x723/0xbe0 [15651.516572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15651.516572][ T7704] ___sys_sendmsg+0xee/0x170 [15651.516572][ T7704] __sys_sendmsg+0xcd/0x170 [15651.516572][ T7704] do_syscall_64+0xc6/0x1e0 [15651.516572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15651.516572][ T7704] [15651.518291][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15651.518291][ T7704] neigh_parms_alloc+0x1e5/0x510 [15651.518291][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15651.518291][ T7704] ipv6_find_idev+0x102/0x170 [15651.518291][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15651.518291][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15651.518291][ T7704] netlink_rcv_skb+0x130/0x360 [15651.518291][ T7704] netlink_unicast+0x449/0x710 [15651.518291][ T7704] netlink_sendmsg+0x723/0xbe0 [15651.518291][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15651.518291][ T7704] ___sys_sendmsg+0xee/0x170 [15651.518291][ T7704] __sys_sendmsg+0xcd/0x170 [15651.518291][ T7704] do_syscall_64+0xc6/0x1e0 [15651.518291][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15651.518291][ T7704] [15661.756955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15661.757680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15661.757680][ T7704] netdev_get_by_index+0x5e/0x80 [15661.757680][ T7704] fib6_nh_init+0x3d8/0x15b0 [15661.757680][ T7704] ip6_route_info_create+0xf18/0x17d0 [15661.757680][ T7704] ip6_route_add+0x1c/0x140 [15661.757680][ T7704] addrconf_prefix_route+0x2a6/0x430 [15661.757680][ T7704] inet6_addr_add+0x4f8/0xa40 [15661.757680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15661.757680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15661.757680][ T7704] netlink_rcv_skb+0x130/0x360 [15661.757680][ T7704] netlink_unicast+0x449/0x710 [15661.757680][ T7704] netlink_sendmsg+0x723/0xbe0 [15661.757680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15661.757680][ T7704] ___sys_sendmsg+0xee/0x170 [15661.757680][ T7704] __sys_sendmsg+0xcd/0x170 [15661.757680][ T7704] do_syscall_64+0xc6/0x1e0 [15661.757680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15661.757680][ T7704] [15661.759985][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15661.759985][ T7704] netdev_get_by_index+0x5e/0x80 [15661.759985][ T7704] fib6_nh_init+0x3d8/0x15b0 [15661.759985][ T7704] ip6_route_info_create+0xf18/0x17d0 [15661.759985][ T7704] addrconf_f6i_alloc+0x315/0x560 [15661.759985][ T7704] ipv6_add_addr+0x411/0x2000 [15661.759985][ T7704] inet6_addr_add+0x30e/0xa40 [15661.759985][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15661.759985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15661.759985][ T7704] netlink_rcv_skb+0x130/0x360 [15661.759985][ T7704] netlink_unicast+0x449/0x710 [15661.759985][ T7704] netlink_sendmsg+0x723/0xbe0 [15661.759985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15661.759985][ T7704] ___sys_sendmsg+0xee/0x170 [15661.759985][ T7704] __sys_sendmsg+0xcd/0x170 [15661.759985][ T7704] do_syscall_64+0xc6/0x1e0 [15661.759985][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15661.759985][ T7704] [15661.762169][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15661.762169][ T7704] netdev_get_by_index+0x5e/0x80 [15661.762169][ T7704] fib6_nh_init+0x3d8/0x15b0 [15661.762169][ T7704] ip6_route_info_create+0xf18/0x17d0 [15661.762169][ T7704] ip6_route_add+0x1c/0x140 [15661.762169][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15661.762169][ T7704] addrconf_add_dev+0xe2/0x170 [15661.762169][ T7704] inet6_addr_add+0x12f/0xa40 [15661.762169][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15661.762169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15661.762169][ T7704] netlink_rcv_skb+0x130/0x360 [15661.762169][ T7704] netlink_unicast+0x449/0x710 [15661.762169][ T7704] netlink_sendmsg+0x723/0xbe0 [15661.762169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15661.762169][ T7704] ___sys_sendmsg+0xee/0x170 [15661.762169][ T7704] __sys_sendmsg+0xcd/0x170 [15661.762169][ T7704] do_syscall_64+0xc6/0x1e0 [15661.762169][ T7704] [15661.764376][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15661.764376][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15661.764376][ T7704] ipv6_find_idev+0x102/0x170 [15661.764376][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15661.764376][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15661.764376][ T7704] netlink_rcv_skb+0x130/0x360 [15661.764376][ T7704] netlink_unicast+0x449/0x710 [15661.764376][ T7704] netlink_sendmsg+0x723/0xbe0 [15661.764376][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15661.764376][ T7704] ___sys_sendmsg+0xee/0x170 [15661.764376][ T7704] __sys_sendmsg+0xcd/0x170 [15661.764376][ T7704] do_syscall_64+0xc6/0x1e0 [15661.764376][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15661.764376][ T7704] [15661.766002][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15661.766002][ T7704] neigh_parms_alloc+0x1e5/0x510 [15661.766002][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15661.766002][ T7704] ipv6_find_idev+0x102/0x170 [15661.766002][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15661.766002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15661.766002][ T7704] netlink_rcv_skb+0x130/0x360 [15661.766002][ T7704] netlink_unicast+0x449/0x710 [15661.766002][ T7704] netlink_sendmsg+0x723/0xbe0 [15661.766002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15661.766002][ T7704] ___sys_sendmsg+0xee/0x170 [15661.766002][ T7704] __sys_sendmsg+0xcd/0x170 [15661.766002][ T7704] do_syscall_64+0xc6/0x1e0 [15661.766002][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15661.766002][ T7704] [15672.004942][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15672.005761][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15672.005761][ T7704] netdev_get_by_index+0x5e/0x80 [15672.005761][ T7704] fib6_nh_init+0x3d8/0x15b0 [15672.005761][ T7704] ip6_route_info_create+0xf18/0x17d0 [15672.005761][ T7704] ip6_route_add+0x1c/0x140 [15672.005761][ T7704] addrconf_prefix_route+0x2a6/0x430 [15672.005761][ T7704] inet6_addr_add+0x4f8/0xa40 [15672.005761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15672.005761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15672.005761][ T7704] netlink_rcv_skb+0x130/0x360 [15672.005761][ T7704] netlink_unicast+0x449/0x710 [15672.005761][ T7704] netlink_sendmsg+0x723/0xbe0 [15672.005761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15672.005761][ T7704] ___sys_sendmsg+0xee/0x170 [15672.005761][ T7704] __sys_sendmsg+0xcd/0x170 [15672.005761][ T7704] do_syscall_64+0xc6/0x1e0 [15672.005761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15672.005761][ T7704] [15672.008037][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15672.008037][ T7704] netdev_get_by_index+0x5e/0x80 [15672.008037][ T7704] fib6_nh_init+0x3d8/0x15b0 [15672.008037][ T7704] ip6_route_info_create+0xf18/0x17d0 [15672.008037][ T7704] addrconf_f6i_alloc+0x315/0x560 [15672.008037][ T7704] ipv6_add_addr+0x411/0x2000 [15672.008037][ T7704] inet6_addr_add+0x30e/0xa40 [15672.008037][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15672.008037][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15672.008037][ T7704] netlink_rcv_skb+0x130/0x360 [15672.008037][ T7704] netlink_unicast+0x449/0x710 [15672.008037][ T7704] netlink_sendmsg+0x723/0xbe0 [15672.008037][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15672.008037][ T7704] ___sys_sendmsg+0xee/0x170 [15672.008037][ T7704] __sys_sendmsg+0xcd/0x170 [15672.008037][ T7704] do_syscall_64+0xc6/0x1e0 [15672.008037][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15672.008037][ T7704] [15672.010299][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15672.010299][ T7704] netdev_get_by_index+0x5e/0x80 [15672.010299][ T7704] fib6_nh_init+0x3d8/0x15b0 [15672.010299][ T7704] ip6_route_info_create+0xf18/0x17d0 [15672.010299][ T7704] ip6_route_add+0x1c/0x140 [15672.010299][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15672.010299][ T7704] addrconf_add_dev+0xe2/0x170 [15672.010299][ T7704] inet6_addr_add+0x12f/0xa40 [15672.010299][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15672.010299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15672.010299][ T7704] netlink_rcv_skb+0x130/0x360 [15672.010299][ T7704] netlink_unicast+0x449/0x710 [15672.010299][ T7704] netlink_sendmsg+0x723/0xbe0 [15672.010299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15672.010299][ T7704] ___sys_sendmsg+0xee/0x170 [15672.010299][ T7704] __sys_sendmsg+0xcd/0x170 [15672.010299][ T7704] do_syscall_64+0xc6/0x1e0 [15672.010299][ T7704] [15672.012504][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15672.012504][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15672.012504][ T7704] ipv6_find_idev+0x102/0x170 [15672.012504][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15672.012504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15672.012504][ T7704] netlink_rcv_skb+0x130/0x360 [15672.012504][ T7704] netlink_unicast+0x449/0x710 [15672.012504][ T7704] netlink_sendmsg+0x723/0xbe0 [15672.012504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15672.012504][ T7704] ___sys_sendmsg+0xee/0x170 [15672.012504][ T7704] __sys_sendmsg+0xcd/0x170 [15672.012504][ T7704] do_syscall_64+0xc6/0x1e0 [15672.012504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15672.012504][ T7704] [15672.014227][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15672.014227][ T7704] neigh_parms_alloc+0x1e5/0x510 [15672.014227][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15672.014227][ T7704] ipv6_find_idev+0x102/0x170 [15672.014227][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15672.014227][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15672.014227][ T7704] netlink_rcv_skb+0x130/0x360 [15672.014227][ T7704] netlink_unicast+0x449/0x710 [15672.014227][ T7704] netlink_sendmsg+0x723/0xbe0 [15672.014227][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15672.014227][ T7704] ___sys_sendmsg+0xee/0x170 [15672.014227][ T7704] __sys_sendmsg+0xcd/0x170 [15672.014227][ T7704] do_syscall_64+0xc6/0x1e0 [15672.014227][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15672.014227][ T7704] [15682.252967][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15682.253543][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15682.253543][ T7704] netdev_get_by_index+0x5e/0x80 [15682.253543][ T7704] fib6_nh_init+0x3d8/0x15b0 [15682.253543][ T7704] ip6_route_info_create+0xf18/0x17d0 [15682.253543][ T7704] ip6_route_add+0x1c/0x140 [15682.253543][ T7704] addrconf_prefix_route+0x2a6/0x430 [15682.253543][ T7704] inet6_addr_add+0x4f8/0xa40 [15682.253543][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15682.253543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15682.253543][ T7704] netlink_rcv_skb+0x130/0x360 [15682.253543][ T7704] netlink_unicast+0x449/0x710 [15682.253543][ T7704] netlink_sendmsg+0x723/0xbe0 [15682.253543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15682.253543][ T7704] ___sys_sendmsg+0xee/0x170 [15682.253543][ T7704] __sys_sendmsg+0xcd/0x170 [15682.253543][ T7704] do_syscall_64+0xc6/0x1e0 [15682.253543][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15682.253543][ T7704] [15682.255766][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15682.255766][ T7704] netdev_get_by_index+0x5e/0x80 [15682.255766][ T7704] fib6_nh_init+0x3d8/0x15b0 [15682.255766][ T7704] ip6_route_info_create+0xf18/0x17d0 [15682.255766][ T7704] addrconf_f6i_alloc+0x315/0x560 [15682.255766][ T7704] ipv6_add_addr+0x411/0x2000 [15682.255766][ T7704] inet6_addr_add+0x30e/0xa40 [15682.255766][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15682.255766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15682.255766][ T7704] netlink_rcv_skb+0x130/0x360 [15682.255766][ T7704] netlink_unicast+0x449/0x710 [15682.255766][ T7704] netlink_sendmsg+0x723/0xbe0 [15682.255766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15682.255766][ T7704] ___sys_sendmsg+0xee/0x170 [15682.255766][ T7704] __sys_sendmsg+0xcd/0x170 [15682.255766][ T7704] do_syscall_64+0xc6/0x1e0 [15682.255766][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15682.255766][ T7704] [15682.257951][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15682.257951][ T7704] netdev_get_by_index+0x5e/0x80 [15682.257951][ T7704] fib6_nh_init+0x3d8/0x15b0 [15682.257951][ T7704] ip6_route_info_create+0xf18/0x17d0 [15682.257951][ T7704] ip6_route_add+0x1c/0x140 [15682.257951][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15682.257951][ T7704] addrconf_add_dev+0xe2/0x170 [15682.257951][ T7704] inet6_addr_add+0x12f/0xa40 [15682.257951][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15682.257951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15682.257951][ T7704] netlink_rcv_skb+0x130/0x360 [15682.257951][ T7704] netlink_unicast+0x449/0x710 [15682.257951][ T7704] netlink_sendmsg+0x723/0xbe0 [15682.257951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15682.257951][ T7704] ___sys_sendmsg+0xee/0x170 [15682.257951][ T7704] __sys_sendmsg+0xcd/0x170 [15682.257951][ T7704] do_syscall_64+0xc6/0x1e0 [15682.257951][ T7704] [15682.260163][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15682.260163][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15682.260163][ T7704] ipv6_find_idev+0x102/0x170 [15682.260163][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15682.260163][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15682.260163][ T7704] netlink_rcv_skb+0x130/0x360 [15682.260163][ T7704] netlink_unicast+0x449/0x710 [15682.260163][ T7704] netlink_sendmsg+0x723/0xbe0 [15682.260163][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15682.260163][ T7704] ___sys_sendmsg+0xee/0x170 [15682.260163][ T7704] __sys_sendmsg+0xcd/0x170 [15682.260163][ T7704] do_syscall_64+0xc6/0x1e0 [15682.260163][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15682.260163][ T7704] [15682.261871][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15682.261871][ T7704] neigh_parms_alloc+0x1e5/0x510 [15682.261871][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15682.261871][ T7704] ipv6_find_idev+0x102/0x170 [15682.261871][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15682.261871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15682.261871][ T7704] netlink_rcv_skb+0x130/0x360 [15682.261871][ T7704] netlink_unicast+0x449/0x710 [15682.261871][ T7704] netlink_sendmsg+0x723/0xbe0 [15682.261871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15682.261871][ T7704] ___sys_sendmsg+0xee/0x170 [15682.261871][ T7704] __sys_sendmsg+0xcd/0x170 [15682.261871][ T7704] do_syscall_64+0xc6/0x1e0 [15682.261871][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15682.261871][ T7704] [15692.356856][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15692.357453][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15692.357453][ T7704] netdev_get_by_index+0x5e/0x80 [15692.357453][ T7704] fib6_nh_init+0x3d8/0x15b0 [15692.357453][ T7704] ip6_route_info_create+0xf18/0x17d0 [15692.357453][ T7704] ip6_route_add+0x1c/0x140 [15692.357453][ T7704] addrconf_prefix_route+0x2a6/0x430 [15692.357453][ T7704] inet6_addr_add+0x4f8/0xa40 [15692.357453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15692.357453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15692.357453][ T7704] netlink_rcv_skb+0x130/0x360 [15692.357453][ T7704] netlink_unicast+0x449/0x710 [15692.357453][ T7704] netlink_sendmsg+0x723/0xbe0 [15692.357453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15692.357453][ T7704] ___sys_sendmsg+0xee/0x170 [15692.357453][ T7704] __sys_sendmsg+0xcd/0x170 [15692.357453][ T7704] do_syscall_64+0xc6/0x1e0 [15692.357453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15692.357453][ T7704] [15692.360220][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15692.360220][ T7704] netdev_get_by_index+0x5e/0x80 [15692.360220][ T7704] fib6_nh_init+0x3d8/0x15b0 [15692.360220][ T7704] ip6_route_info_create+0xf18/0x17d0 [15692.360220][ T7704] addrconf_f6i_alloc+0x315/0x560 [15692.360220][ T7704] ipv6_add_addr+0x411/0x2000 [15692.360220][ T7704] inet6_addr_add+0x30e/0xa40 [15692.360220][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15692.360220][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15692.360220][ T7704] netlink_rcv_skb+0x130/0x360 [15692.360220][ T7704] netlink_unicast+0x449/0x710 [15692.360220][ T7704] netlink_sendmsg+0x723/0xbe0 [15692.360220][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15692.360220][ T7704] ___sys_sendmsg+0xee/0x170 [15692.360220][ T7704] __sys_sendmsg+0xcd/0x170 [15692.360220][ T7704] do_syscall_64+0xc6/0x1e0 [15692.360220][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15692.360220][ T7704] [15692.362609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15692.362609][ T7704] netdev_get_by_index+0x5e/0x80 [15692.362609][ T7704] fib6_nh_init+0x3d8/0x15b0 [15692.362609][ T7704] ip6_route_info_create+0xf18/0x17d0 [15692.362609][ T7704] ip6_route_add+0x1c/0x140 [15692.362609][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15692.362609][ T7704] addrconf_add_dev+0xe2/0x170 [15692.362609][ T7704] inet6_addr_add+0x12f/0xa40 [15692.362609][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15692.362609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15692.362609][ T7704] netlink_rcv_skb+0x130/0x360 [15692.362609][ T7704] netlink_unicast+0x449/0x710 [15692.362609][ T7704] netlink_sendmsg+0x723/0xbe0 [15692.362609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15692.362609][ T7704] ___sys_sendmsg+0xee/0x170 [15692.362609][ T7704] __sys_sendmsg+0xcd/0x170 [15692.362609][ T7704] do_syscall_64+0xc6/0x1e0 [15692.362609][ T7704] [15692.365046][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15692.365046][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15692.365046][ T7704] ipv6_find_idev+0x102/0x170 [15692.365046][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15692.365046][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15692.365046][ T7704] netlink_rcv_skb+0x130/0x360 [15692.365046][ T7704] netlink_unicast+0x449/0x710 [15692.365046][ T7704] netlink_sendmsg+0x723/0xbe0 [15692.365046][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15692.365046][ T7704] ___sys_sendmsg+0xee/0x170 [15692.365046][ T7704] __sys_sendmsg+0xcd/0x170 [15692.365046][ T7704] do_syscall_64+0xc6/0x1e0 [15692.365046][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15692.365046][ T7704] [15692.366930][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15692.366930][ T7704] neigh_parms_alloc+0x1e5/0x510 [15692.366930][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15692.366930][ T7704] ipv6_find_idev+0x102/0x170 [15692.366930][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15692.366930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15692.366930][ T7704] netlink_rcv_skb+0x130/0x360 [15692.366930][ T7704] netlink_unicast+0x449/0x710 [15692.366930][ T7704] netlink_sendmsg+0x723/0xbe0 [15692.366930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15692.366930][ T7704] ___sys_sendmsg+0xee/0x170 [15692.366930][ T7704] __sys_sendmsg+0xcd/0x170 [15692.366930][ T7704] do_syscall_64+0xc6/0x1e0 [15692.366930][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15692.366930][ T7704] [15702.604840][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15702.605344][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15702.605344][ T7704] netdev_get_by_index+0x5e/0x80 [15702.605344][ T7704] fib6_nh_init+0x3d8/0x15b0 [15702.605344][ T7704] ip6_route_info_create+0xf18/0x17d0 [15702.605344][ T7704] ip6_route_add+0x1c/0x140 [15702.605344][ T7704] addrconf_prefix_route+0x2a6/0x430 [15702.605344][ T7704] inet6_addr_add+0x4f8/0xa40 [15702.605344][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15702.605344][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15702.605344][ T7704] netlink_rcv_skb+0x130/0x360 [15702.605344][ T7704] netlink_unicast+0x449/0x710 [15702.605344][ T7704] netlink_sendmsg+0x723/0xbe0 [15702.605344][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15702.605344][ T7704] ___sys_sendmsg+0xee/0x170 [15702.605344][ T7704] __sys_sendmsg+0xcd/0x170 [15702.605344][ T7704] do_syscall_64+0xc6/0x1e0 [15702.605344][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15702.605344][ T7704] [15702.607828][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15702.607828][ T7704] netdev_get_by_index+0x5e/0x80 [15702.607828][ T7704] fib6_nh_init+0x3d8/0x15b0 [15702.607828][ T7704] ip6_route_info_create+0xf18/0x17d0 [15702.607828][ T7704] addrconf_f6i_alloc+0x315/0x560 [15702.607828][ T7704] ipv6_add_addr+0x411/0x2000 [15702.607828][ T7704] inet6_addr_add+0x30e/0xa40 [15702.607828][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15702.607828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15702.607828][ T7704] netlink_rcv_skb+0x130/0x360 [15702.607828][ T7704] netlink_unicast+0x449/0x710 [15702.607828][ T7704] netlink_sendmsg+0x723/0xbe0 [15702.607828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15702.607828][ T7704] ___sys_sendmsg+0xee/0x170 [15702.607828][ T7704] __sys_sendmsg+0xcd/0x170 [15702.607828][ T7704] do_syscall_64+0xc6/0x1e0 [15702.607828][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15702.607828][ T7704] [15702.610254][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15702.610254][ T7704] netdev_get_by_index+0x5e/0x80 [15702.610254][ T7704] fib6_nh_init+0x3d8/0x15b0 [15702.610254][ T7704] ip6_route_info_create+0xf18/0x17d0 [15702.610254][ T7704] ip6_route_add+0x1c/0x140 [15702.610254][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15702.610254][ T7704] addrconf_add_dev+0xe2/0x170 [15702.610254][ T7704] inet6_addr_add+0x12f/0xa40 [15702.610254][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15702.610254][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15702.610254][ T7704] netlink_rcv_skb+0x130/0x360 [15702.610254][ T7704] netlink_unicast+0x449/0x710 [15702.610254][ T7704] netlink_sendmsg+0x723/0xbe0 [15702.610254][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15702.610254][ T7704] ___sys_sendmsg+0xee/0x170 [15702.610254][ T7704] __sys_sendmsg+0xcd/0x170 [15702.610254][ T7704] do_syscall_64+0xc6/0x1e0 [15702.610254][ T7704] [15702.612696][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15702.612696][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15702.612696][ T7704] ipv6_find_idev+0x102/0x170 [15702.612696][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15702.612696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15702.612696][ T7704] netlink_rcv_skb+0x130/0x360 [15702.612696][ T7704] netlink_unicast+0x449/0x710 [15702.612696][ T7704] netlink_sendmsg+0x723/0xbe0 [15702.612696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15702.612696][ T7704] ___sys_sendmsg+0xee/0x170 [15702.612696][ T7704] __sys_sendmsg+0xcd/0x170 [15702.612696][ T7704] do_syscall_64+0xc6/0x1e0 [15702.612696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15702.612696][ T7704] [15702.614582][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15702.614582][ T7704] neigh_parms_alloc+0x1e5/0x510 [15702.614582][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15702.614582][ T7704] ipv6_find_idev+0x102/0x170 [15702.614582][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15702.614582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15702.614582][ T7704] netlink_rcv_skb+0x130/0x360 [15702.614582][ T7704] netlink_unicast+0x449/0x710 [15702.614582][ T7704] netlink_sendmsg+0x723/0xbe0 [15702.614582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15702.614582][ T7704] ___sys_sendmsg+0xee/0x170 [15702.614582][ T7704] __sys_sendmsg+0xcd/0x170 [15702.614582][ T7704] do_syscall_64+0xc6/0x1e0 [15702.614582][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15702.614582][ T7704] [15712.852865][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15712.853860][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15712.853860][ T7704] netdev_get_by_index+0x5e/0x80 [15712.853860][ T7704] fib6_nh_init+0x3d8/0x15b0 [15712.853860][ T7704] ip6_route_info_create+0xf18/0x17d0 [15712.853860][ T7704] ip6_route_add+0x1c/0x140 [15712.853860][ T7704] addrconf_prefix_route+0x2a6/0x430 [15712.853860][ T7704] inet6_addr_add+0x4f8/0xa40 [15712.853860][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15712.853860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15712.853860][ T7704] netlink_rcv_skb+0x130/0x360 [15712.853860][ T7704] netlink_unicast+0x449/0x710 [15712.853860][ T7704] netlink_sendmsg+0x723/0xbe0 [15712.853860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15712.853860][ T7704] ___sys_sendmsg+0xee/0x170 [15712.853860][ T7704] __sys_sendmsg+0xcd/0x170 [15712.853860][ T7704] do_syscall_64+0xc6/0x1e0 [15712.853860][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15712.853860][ T7704] [15712.856132][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15712.856132][ T7704] netdev_get_by_index+0x5e/0x80 [15712.856132][ T7704] fib6_nh_init+0x3d8/0x15b0 [15712.856132][ T7704] ip6_route_info_create+0xf18/0x17d0 [15712.856132][ T7704] addrconf_f6i_alloc+0x315/0x560 [15712.856132][ T7704] ipv6_add_addr+0x411/0x2000 [15712.856132][ T7704] inet6_addr_add+0x30e/0xa40 [15712.856132][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15712.856132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15712.856132][ T7704] netlink_rcv_skb+0x130/0x360 [15712.856132][ T7704] netlink_unicast+0x449/0x710 [15712.856132][ T7704] netlink_sendmsg+0x723/0xbe0 [15712.856132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15712.856132][ T7704] ___sys_sendmsg+0xee/0x170 [15712.856132][ T7704] __sys_sendmsg+0xcd/0x170 [15712.856132][ T7704] do_syscall_64+0xc6/0x1e0 [15712.856132][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15712.856132][ T7704] [15712.858386][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15712.858386][ T7704] netdev_get_by_index+0x5e/0x80 [15712.858386][ T7704] fib6_nh_init+0x3d8/0x15b0 [15712.858386][ T7704] ip6_route_info_create+0xf18/0x17d0 [15712.858386][ T7704] ip6_route_add+0x1c/0x140 [15712.858386][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15712.858386][ T7704] addrconf_add_dev+0xe2/0x170 [15712.858386][ T7704] inet6_addr_add+0x12f/0xa40 [15712.858386][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15712.858386][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15712.858386][ T7704] netlink_rcv_skb+0x130/0x360 [15712.858386][ T7704] netlink_unicast+0x449/0x710 [15712.858386][ T7704] netlink_sendmsg+0x723/0xbe0 [15712.858386][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15712.858386][ T7704] ___sys_sendmsg+0xee/0x170 [15712.858386][ T7704] __sys_sendmsg+0xcd/0x170 [15712.858386][ T7704] do_syscall_64+0xc6/0x1e0 [15712.858386][ T7704] [15712.860563][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15712.860563][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15712.860563][ T7704] ipv6_find_idev+0x102/0x170 [15712.860563][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15712.860563][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15712.860563][ T7704] netlink_rcv_skb+0x130/0x360 [15712.860563][ T7704] netlink_unicast+0x449/0x710 [15712.860563][ T7704] netlink_sendmsg+0x723/0xbe0 [15712.860563][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15712.860563][ T7704] ___sys_sendmsg+0xee/0x170 [15712.860563][ T7704] __sys_sendmsg+0xcd/0x170 [15712.860563][ T7704] do_syscall_64+0xc6/0x1e0 [15712.860563][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15712.860563][ T7704] [15712.862248][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15712.862248][ T7704] neigh_parms_alloc+0x1e5/0x510 [15712.862248][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15712.862248][ T7704] ipv6_find_idev+0x102/0x170 [15712.862248][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15712.862248][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15712.862248][ T7704] netlink_rcv_skb+0x130/0x360 [15712.862248][ T7704] netlink_unicast+0x449/0x710 [15712.862248][ T7704] netlink_sendmsg+0x723/0xbe0 [15712.862248][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15712.862248][ T7704] ___sys_sendmsg+0xee/0x170 [15712.862248][ T7704] __sys_sendmsg+0xcd/0x170 [15712.862248][ T7704] do_syscall_64+0xc6/0x1e0 [15712.862248][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15712.862248][ T7704] [15723.100927][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15723.101611][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15723.101611][ T7704] netdev_get_by_index+0x5e/0x80 [15723.101611][ T7704] fib6_nh_init+0x3d8/0x15b0 [15723.101611][ T7704] ip6_route_info_create+0xf18/0x17d0 [15723.101611][ T7704] ip6_route_add+0x1c/0x140 [15723.101611][ T7704] addrconf_prefix_route+0x2a6/0x430 [15723.101611][ T7704] inet6_addr_add+0x4f8/0xa40 [15723.101611][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15723.101611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15723.101611][ T7704] netlink_rcv_skb+0x130/0x360 [15723.101611][ T7704] netlink_unicast+0x449/0x710 [15723.101611][ T7704] netlink_sendmsg+0x723/0xbe0 [15723.101611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15723.101611][ T7704] ___sys_sendmsg+0xee/0x170 [15723.101611][ T7704] __sys_sendmsg+0xcd/0x170 [15723.101611][ T7704] do_syscall_64+0xc6/0x1e0 [15723.101611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15723.101611][ T7704] [15723.103903][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15723.103903][ T7704] netdev_get_by_index+0x5e/0x80 [15723.103903][ T7704] fib6_nh_init+0x3d8/0x15b0 [15723.103903][ T7704] ip6_route_info_create+0xf18/0x17d0 [15723.103903][ T7704] addrconf_f6i_alloc+0x315/0x560 [15723.103903][ T7704] ipv6_add_addr+0x411/0x2000 [15723.103903][ T7704] inet6_addr_add+0x30e/0xa40 [15723.103903][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15723.103903][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15723.103903][ T7704] netlink_rcv_skb+0x130/0x360 [15723.103903][ T7704] netlink_unicast+0x449/0x710 [15723.103903][ T7704] netlink_sendmsg+0x723/0xbe0 [15723.103903][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15723.103903][ T7704] ___sys_sendmsg+0xee/0x170 [15723.103903][ T7704] __sys_sendmsg+0xcd/0x170 [15723.103903][ T7704] do_syscall_64+0xc6/0x1e0 [15723.103903][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15723.103903][ T7704] [15723.106173][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15723.106173][ T7704] netdev_get_by_index+0x5e/0x80 [15723.106173][ T7704] fib6_nh_init+0x3d8/0x15b0 [15723.106173][ T7704] ip6_route_info_create+0xf18/0x17d0 [15723.106173][ T7704] ip6_route_add+0x1c/0x140 [15723.106173][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15723.106173][ T7704] addrconf_add_dev+0xe2/0x170 [15723.106173][ T7704] inet6_addr_add+0x12f/0xa40 [15723.106173][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15723.106173][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15723.106173][ T7704] netlink_rcv_skb+0x130/0x360 [15723.106173][ T7704] netlink_unicast+0x449/0x710 [15723.106173][ T7704] netlink_sendmsg+0x723/0xbe0 [15723.106173][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15723.106173][ T7704] ___sys_sendmsg+0xee/0x170 [15723.106173][ T7704] __sys_sendmsg+0xcd/0x170 [15723.106173][ T7704] do_syscall_64+0xc6/0x1e0 [15723.106173][ T7704] [15723.108914][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15723.108914][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15723.108914][ T7704] ipv6_find_idev+0x102/0x170 [15723.108914][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15723.108914][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15723.108914][ T7704] netlink_rcv_skb+0x130/0x360 [15723.108914][ T7704] netlink_unicast+0x449/0x710 [15723.108914][ T7704] netlink_sendmsg+0x723/0xbe0 [15723.108914][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15723.108914][ T7704] ___sys_sendmsg+0xee/0x170 [15723.108914][ T7704] __sys_sendmsg+0xcd/0x170 [15723.108914][ T7704] do_syscall_64+0xc6/0x1e0 [15723.108914][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15723.108914][ T7704] [15723.110640][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15723.110640][ T7704] neigh_parms_alloc+0x1e5/0x510 [15723.110640][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15723.110640][ T7704] ipv6_find_idev+0x102/0x170 [15723.110640][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15723.110640][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15723.110640][ T7704] netlink_rcv_skb+0x130/0x360 [15723.110640][ T7704] netlink_unicast+0x449/0x710 [15723.110640][ T7704] netlink_sendmsg+0x723/0xbe0 [15723.110640][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15723.110640][ T7704] ___sys_sendmsg+0xee/0x170 [15723.110640][ T7704] __sys_sendmsg+0xcd/0x170 [15723.110640][ T7704] do_syscall_64+0xc6/0x1e0 [15723.110640][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15723.110640][ T7704] [15733.836874][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15733.837519][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15733.837519][ T7704] netdev_get_by_index+0x5e/0x80 [15733.837519][ T7704] fib6_nh_init+0x3d8/0x15b0 [15733.837519][ T7704] ip6_route_info_create+0xf18/0x17d0 [15733.837519][ T7704] ip6_route_add+0x1c/0x140 [15733.837519][ T7704] addrconf_prefix_route+0x2a6/0x430 [15733.837519][ T7704] inet6_addr_add+0x4f8/0xa40 [15733.837519][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15733.837519][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15733.837519][ T7704] netlink_rcv_skb+0x130/0x360 [15733.837519][ T7704] netlink_unicast+0x449/0x710 [15733.837519][ T7704] netlink_sendmsg+0x723/0xbe0 [15733.837519][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15733.837519][ T7704] ___sys_sendmsg+0xee/0x170 [15733.837519][ T7704] __sys_sendmsg+0xcd/0x170 [15733.837519][ T7704] do_syscall_64+0xc6/0x1e0 [15733.837519][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15733.837519][ T7704] [15733.840407][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15733.840407][ T7704] netdev_get_by_index+0x5e/0x80 [15733.840407][ T7704] fib6_nh_init+0x3d8/0x15b0 [15733.840407][ T7704] ip6_route_info_create+0xf18/0x17d0 [15733.840407][ T7704] addrconf_f6i_alloc+0x315/0x560 [15733.840407][ T7704] ipv6_add_addr+0x411/0x2000 [15733.840407][ T7704] inet6_addr_add+0x30e/0xa40 [15733.840407][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15733.840407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15733.840407][ T7704] netlink_rcv_skb+0x130/0x360 [15733.840407][ T7704] netlink_unicast+0x449/0x710 [15733.840407][ T7704] netlink_sendmsg+0x723/0xbe0 [15733.840407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15733.840407][ T7704] ___sys_sendmsg+0xee/0x170 [15733.840407][ T7704] __sys_sendmsg+0xcd/0x170 [15733.840407][ T7704] do_syscall_64+0xc6/0x1e0 [15733.840407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15733.840407][ T7704] [15733.842796][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15733.842796][ T7704] netdev_get_by_index+0x5e/0x80 [15733.842796][ T7704] fib6_nh_init+0x3d8/0x15b0 [15733.842796][ T7704] ip6_route_info_create+0xf18/0x17d0 [15733.842796][ T7704] ip6_route_add+0x1c/0x140 [15733.842796][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15733.842796][ T7704] addrconf_add_dev+0xe2/0x170 [15733.842796][ T7704] inet6_addr_add+0x12f/0xa40 [15733.842796][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15733.842796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15733.842796][ T7704] netlink_rcv_skb+0x130/0x360 [15733.842796][ T7704] netlink_unicast+0x449/0x710 [15733.842796][ T7704] netlink_sendmsg+0x723/0xbe0 [15733.842796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15733.842796][ T7704] ___sys_sendmsg+0xee/0x170 [15733.842796][ T7704] __sys_sendmsg+0xcd/0x170 [15733.842796][ T7704] do_syscall_64+0xc6/0x1e0 [15733.842796][ T7704] [15733.845160][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15733.845160][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15733.845160][ T7704] ipv6_find_idev+0x102/0x170 [15733.845160][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15733.845160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15733.845160][ T7704] netlink_rcv_skb+0x130/0x360 [15733.845160][ T7704] netlink_unicast+0x449/0x710 [15733.845160][ T7704] netlink_sendmsg+0x723/0xbe0 [15733.845160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15733.845160][ T7704] ___sys_sendmsg+0xee/0x170 [15733.845160][ T7704] __sys_sendmsg+0xcd/0x170 [15733.845160][ T7704] do_syscall_64+0xc6/0x1e0 [15733.845160][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15733.845160][ T7704] [15733.847038][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15733.847038][ T7704] neigh_parms_alloc+0x1e5/0x510 [15733.847038][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15733.847038][ T7704] ipv6_find_idev+0x102/0x170 [15733.847038][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15733.847038][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15733.847038][ T7704] netlink_rcv_skb+0x130/0x360 [15733.847038][ T7704] netlink_unicast+0x449/0x710 [15733.847038][ T7704] netlink_sendmsg+0x723/0xbe0 [15733.847038][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15733.847038][ T7704] ___sys_sendmsg+0xee/0x170 [15733.847038][ T7704] __sys_sendmsg+0xcd/0x170 [15733.847038][ T7704] do_syscall_64+0xc6/0x1e0 [15733.847038][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15733.847038][ T7704] [15743.868776][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15743.869566][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15743.869566][ T7704] netdev_get_by_index+0x5e/0x80 [15743.869566][ T7704] fib6_nh_init+0x3d8/0x15b0 [15743.869566][ T7704] ip6_route_info_create+0xf18/0x17d0 [15743.869566][ T7704] ip6_route_add+0x1c/0x140 [15743.869566][ T7704] addrconf_prefix_route+0x2a6/0x430 [15743.869566][ T7704] inet6_addr_add+0x4f8/0xa40 [15743.869566][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15743.869566][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15743.869566][ T7704] netlink_rcv_skb+0x130/0x360 [15743.869566][ T7704] netlink_unicast+0x449/0x710 [15743.869566][ T7704] netlink_sendmsg+0x723/0xbe0 [15743.869566][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15743.869566][ T7704] ___sys_sendmsg+0xee/0x170 [15743.869566][ T7704] __sys_sendmsg+0xcd/0x170 [15743.869566][ T7704] do_syscall_64+0xc6/0x1e0 [15743.869566][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15743.869566][ T7704] [15743.873953][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15743.873953][ T7704] netdev_get_by_index+0x5e/0x80 [15743.873953][ T7704] fib6_nh_init+0x3d8/0x15b0 [15743.873953][ T7704] ip6_route_info_create+0xf18/0x17d0 [15743.873953][ T7704] addrconf_f6i_alloc+0x315/0x560 [15743.873953][ T7704] ipv6_add_addr+0x411/0x2000 [15743.873953][ T7704] inet6_addr_add+0x30e/0xa40 [15743.873953][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15743.873953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15743.873953][ T7704] netlink_rcv_skb+0x130/0x360 [15743.873953][ T7704] netlink_unicast+0x449/0x710 [15743.873953][ T7704] netlink_sendmsg+0x723/0xbe0 [15743.873953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15743.873953][ T7704] ___sys_sendmsg+0xee/0x170 [15743.873953][ T7704] __sys_sendmsg+0xcd/0x170 [15743.873953][ T7704] do_syscall_64+0xc6/0x1e0 [15743.873953][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15743.873953][ T7704] [15743.878148][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15743.878148][ T7704] netdev_get_by_index+0x5e/0x80 [15743.878148][ T7704] fib6_nh_init+0x3d8/0x15b0 [15743.878148][ T7704] ip6_route_info_create+0xf18/0x17d0 [15743.878148][ T7704] ip6_route_add+0x1c/0x140 [15743.878148][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15743.878148][ T7704] addrconf_add_dev+0xe2/0x170 [15743.878148][ T7704] inet6_addr_add+0x12f/0xa40 [15743.878148][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15743.878148][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15743.878148][ T7704] netlink_rcv_skb+0x130/0x360 [15743.878148][ T7704] netlink_unicast+0x449/0x710 [15743.878148][ T7704] netlink_sendmsg+0x723/0xbe0 [15743.878148][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15743.878148][ T7704] ___sys_sendmsg+0xee/0x170 [15743.878148][ T7704] __sys_sendmsg+0xcd/0x170 [15743.878148][ T7704] do_syscall_64+0xc6/0x1e0 [15743.878148][ T7704] [15743.881903][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15743.881903][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15743.881903][ T7704] ipv6_find_idev+0x102/0x170 [15743.881903][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15743.881903][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15743.881903][ T7704] netlink_rcv_skb+0x130/0x360 [15743.881903][ T7704] netlink_unicast+0x449/0x710 [15743.881903][ T7704] netlink_sendmsg+0x723/0xbe0 [15743.881903][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15743.881903][ T7704] ___sys_sendmsg+0xee/0x170 [15743.881903][ T7704] __sys_sendmsg+0xcd/0x170 [15743.881903][ T7704] do_syscall_64+0xc6/0x1e0 [15743.881903][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15743.881903][ T7704] [15743.884036][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15743.884036][ T7704] neigh_parms_alloc+0x1e5/0x510 [15743.884036][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15743.884036][ T7704] ipv6_find_idev+0x102/0x170 [15743.884036][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15743.884036][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15743.884036][ T7704] netlink_rcv_skb+0x130/0x360 [15743.884036][ T7704] netlink_unicast+0x449/0x710 [15743.884036][ T7704] netlink_sendmsg+0x723/0xbe0 [15743.884036][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15743.884036][ T7704] ___sys_sendmsg+0xee/0x170 [15743.884036][ T7704] __sys_sendmsg+0xcd/0x170 [15743.884036][ T7704] do_syscall_64+0xc6/0x1e0 [15743.884036][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15743.884036][ T7704] [15754.124861][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15754.125581][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15754.125581][ T7704] netdev_get_by_index+0x5e/0x80 [15754.125581][ T7704] fib6_nh_init+0x3d8/0x15b0 [15754.125581][ T7704] ip6_route_info_create+0xf18/0x17d0 [15754.125581][ T7704] ip6_route_add+0x1c/0x140 [15754.125581][ T7704] addrconf_prefix_route+0x2a6/0x430 [15754.125581][ T7704] inet6_addr_add+0x4f8/0xa40 [15754.125581][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15754.125581][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15754.125581][ T7704] netlink_rcv_skb+0x130/0x360 [15754.125581][ T7704] netlink_unicast+0x449/0x710 [15754.125581][ T7704] netlink_sendmsg+0x723/0xbe0 [15754.125581][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15754.125581][ T7704] ___sys_sendmsg+0xee/0x170 [15754.125581][ T7704] __sys_sendmsg+0xcd/0x170 [15754.125581][ T7704] do_syscall_64+0xc6/0x1e0 [15754.125581][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15754.125581][ T7704] [15754.128553][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15754.128553][ T7704] netdev_get_by_index+0x5e/0x80 [15754.128553][ T7704] fib6_nh_init+0x3d8/0x15b0 [15754.128553][ T7704] ip6_route_info_create+0xf18/0x17d0 [15754.128553][ T7704] addrconf_f6i_alloc+0x315/0x560 [15754.128553][ T7704] ipv6_add_addr+0x411/0x2000 [15754.128553][ T7704] inet6_addr_add+0x30e/0xa40 [15754.128553][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15754.128553][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15754.128553][ T7704] netlink_rcv_skb+0x130/0x360 [15754.128553][ T7704] netlink_unicast+0x449/0x710 [15754.128553][ T7704] netlink_sendmsg+0x723/0xbe0 [15754.128553][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15754.128553][ T7704] ___sys_sendmsg+0xee/0x170 [15754.128553][ T7704] __sys_sendmsg+0xcd/0x170 [15754.128553][ T7704] do_syscall_64+0xc6/0x1e0 [15754.128553][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15754.128553][ T7704] [15754.130991][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15754.130991][ T7704] netdev_get_by_index+0x5e/0x80 [15754.130991][ T7704] fib6_nh_init+0x3d8/0x15b0 [15754.130991][ T7704] ip6_route_info_create+0xf18/0x17d0 [15754.130991][ T7704] ip6_route_add+0x1c/0x140 [15754.130991][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15754.130991][ T7704] addrconf_add_dev+0xe2/0x170 [15754.130991][ T7704] inet6_addr_add+0x12f/0xa40 [15754.130991][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15754.130991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15754.130991][ T7704] netlink_rcv_skb+0x130/0x360 [15754.130991][ T7704] netlink_unicast+0x449/0x710 [15754.130991][ T7704] netlink_sendmsg+0x723/0xbe0 [15754.130991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15754.130991][ T7704] ___sys_sendmsg+0xee/0x170 [15754.130991][ T7704] __sys_sendmsg+0xcd/0x170 [15754.130991][ T7704] do_syscall_64+0xc6/0x1e0 [15754.130991][ T7704] [15754.133352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15754.133352][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15754.133352][ T7704] ipv6_find_idev+0x102/0x170 [15754.133352][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15754.133352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15754.133352][ T7704] netlink_rcv_skb+0x130/0x360 [15754.133352][ T7704] netlink_unicast+0x449/0x710 [15754.133352][ T7704] netlink_sendmsg+0x723/0xbe0 [15754.133352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15754.133352][ T7704] ___sys_sendmsg+0xee/0x170 [15754.133352][ T7704] __sys_sendmsg+0xcd/0x170 [15754.133352][ T7704] do_syscall_64+0xc6/0x1e0 [15754.133352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15754.133352][ T7704] [15754.135597][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15754.135597][ T7704] neigh_parms_alloc+0x1e5/0x510 [15754.135597][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15754.135597][ T7704] ipv6_find_idev+0x102/0x170 [15754.135597][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15754.135597][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15754.135597][ T7704] netlink_rcv_skb+0x130/0x360 [15754.135597][ T7704] netlink_unicast+0x449/0x710 [15754.135597][ T7704] netlink_sendmsg+0x723/0xbe0 [15754.135597][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15754.135597][ T7704] ___sys_sendmsg+0xee/0x170 [15754.135597][ T7704] __sys_sendmsg+0xcd/0x170 [15754.135597][ T7704] do_syscall_64+0xc6/0x1e0 [15754.135597][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15754.135597][ T7704] [15764.220912][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15764.221722][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15764.221722][ T7704] netdev_get_by_index+0x5e/0x80 [15764.221722][ T7704] fib6_nh_init+0x3d8/0x15b0 [15764.221722][ T7704] ip6_route_info_create+0xf18/0x17d0 [15764.221722][ T7704] ip6_route_add+0x1c/0x140 [15764.221722][ T7704] addrconf_prefix_route+0x2a6/0x430 [15764.221722][ T7704] inet6_addr_add+0x4f8/0xa40 [15764.221722][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15764.221722][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15764.221722][ T7704] netlink_rcv_skb+0x130/0x360 [15764.221722][ T7704] netlink_unicast+0x449/0x710 [15764.221722][ T7704] netlink_sendmsg+0x723/0xbe0 [15764.221722][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15764.221722][ T7704] ___sys_sendmsg+0xee/0x170 [15764.221722][ T7704] __sys_sendmsg+0xcd/0x170 [15764.221722][ T7704] do_syscall_64+0xc6/0x1e0 [15764.221722][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15764.221722][ T7704] [15764.224382][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15764.224382][ T7704] netdev_get_by_index+0x5e/0x80 [15764.224382][ T7704] fib6_nh_init+0x3d8/0x15b0 [15764.224382][ T7704] ip6_route_info_create+0xf18/0x17d0 [15764.224382][ T7704] addrconf_f6i_alloc+0x315/0x560 [15764.224382][ T7704] ipv6_add_addr+0x411/0x2000 [15764.224382][ T7704] inet6_addr_add+0x30e/0xa40 [15764.224382][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15764.224382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15764.224382][ T7704] netlink_rcv_skb+0x130/0x360 [15764.224382][ T7704] netlink_unicast+0x449/0x710 [15764.224382][ T7704] netlink_sendmsg+0x723/0xbe0 [15764.224382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15764.224382][ T7704] ___sys_sendmsg+0xee/0x170 [15764.224382][ T7704] __sys_sendmsg+0xcd/0x170 [15764.224382][ T7704] do_syscall_64+0xc6/0x1e0 [15764.224382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15764.224382][ T7704] [15764.226626][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15764.226626][ T7704] netdev_get_by_index+0x5e/0x80 [15764.226626][ T7704] fib6_nh_init+0x3d8/0x15b0 [15764.226626][ T7704] ip6_route_info_create+0xf18/0x17d0 [15764.226626][ T7704] ip6_route_add+0x1c/0x140 [15764.226626][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15764.226626][ T7704] addrconf_add_dev+0xe2/0x170 [15764.226626][ T7704] inet6_addr_add+0x12f/0xa40 [15764.226626][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15764.226626][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15764.226626][ T7704] netlink_rcv_skb+0x130/0x360 [15764.226626][ T7704] netlink_unicast+0x449/0x710 [15764.226626][ T7704] netlink_sendmsg+0x723/0xbe0 [15764.226626][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15764.226626][ T7704] ___sys_sendmsg+0xee/0x170 [15764.226626][ T7704] __sys_sendmsg+0xcd/0x170 [15764.226626][ T7704] do_syscall_64+0xc6/0x1e0 [15764.226626][ T7704] [15764.228842][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15764.228842][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15764.228842][ T7704] ipv6_find_idev+0x102/0x170 [15764.228842][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15764.228842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15764.228842][ T7704] netlink_rcv_skb+0x130/0x360 [15764.228842][ T7704] netlink_unicast+0x449/0x710 [15764.228842][ T7704] netlink_sendmsg+0x723/0xbe0 [15764.228842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15764.228842][ T7704] ___sys_sendmsg+0xee/0x170 [15764.228842][ T7704] __sys_sendmsg+0xcd/0x170 [15764.228842][ T7704] do_syscall_64+0xc6/0x1e0 [15764.228842][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15764.228842][ T7704] [15764.230600][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15764.230600][ T7704] neigh_parms_alloc+0x1e5/0x510 [15764.230600][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15764.230600][ T7704] ipv6_find_idev+0x102/0x170 [15764.230600][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15764.230600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15764.230600][ T7704] netlink_rcv_skb+0x130/0x360 [15764.230600][ T7704] netlink_unicast+0x449/0x710 [15764.230600][ T7704] netlink_sendmsg+0x723/0xbe0 [15764.230600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15764.230600][ T7704] ___sys_sendmsg+0xee/0x170 [15764.230600][ T7704] __sys_sendmsg+0xcd/0x170 [15764.230600][ T7704] do_syscall_64+0xc6/0x1e0 [15764.230600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15764.230600][ T7704] [15774.468755][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15774.469276][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15774.469276][ T7704] netdev_get_by_index+0x5e/0x80 [15774.469276][ T7704] fib6_nh_init+0x3d8/0x15b0 [15774.469276][ T7704] ip6_route_info_create+0xf18/0x17d0 [15774.469276][ T7704] ip6_route_add+0x1c/0x140 [15774.469276][ T7704] addrconf_prefix_route+0x2a6/0x430 [15774.469276][ T7704] inet6_addr_add+0x4f8/0xa40 [15774.469276][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15774.469276][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15774.469276][ T7704] netlink_rcv_skb+0x130/0x360 [15774.469276][ T7704] netlink_unicast+0x449/0x710 [15774.469276][ T7704] netlink_sendmsg+0x723/0xbe0 [15774.469276][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15774.469276][ T7704] ___sys_sendmsg+0xee/0x170 [15774.469276][ T7704] __sys_sendmsg+0xcd/0x170 [15774.469276][ T7704] do_syscall_64+0xc6/0x1e0 [15774.469276][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15774.469276][ T7704] [15774.471657][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15774.471657][ T7704] netdev_get_by_index+0x5e/0x80 [15774.471657][ T7704] fib6_nh_init+0x3d8/0x15b0 [15774.471657][ T7704] ip6_route_info_create+0xf18/0x17d0 [15774.471657][ T7704] addrconf_f6i_alloc+0x315/0x560 [15774.471657][ T7704] ipv6_add_addr+0x411/0x2000 [15774.471657][ T7704] inet6_addr_add+0x30e/0xa40 [15774.471657][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15774.471657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15774.471657][ T7704] netlink_rcv_skb+0x130/0x360 [15774.471657][ T7704] netlink_unicast+0x449/0x710 [15774.471657][ T7704] netlink_sendmsg+0x723/0xbe0 [15774.471657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15774.471657][ T7704] ___sys_sendmsg+0xee/0x170 [15774.471657][ T7704] __sys_sendmsg+0xcd/0x170 [15774.471657][ T7704] do_syscall_64+0xc6/0x1e0 [15774.471657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15774.471657][ T7704] [15774.474068][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15774.474068][ T7704] netdev_get_by_index+0x5e/0x80 [15774.474068][ T7704] fib6_nh_init+0x3d8/0x15b0 [15774.474068][ T7704] ip6_route_info_create+0xf18/0x17d0 [15774.474068][ T7704] ip6_route_add+0x1c/0x140 [15774.474068][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15774.474068][ T7704] addrconf_add_dev+0xe2/0x170 [15774.474068][ T7704] inet6_addr_add+0x12f/0xa40 [15774.474068][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15774.474068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15774.474068][ T7704] netlink_rcv_skb+0x130/0x360 [15774.474068][ T7704] netlink_unicast+0x449/0x710 [15774.474068][ T7704] netlink_sendmsg+0x723/0xbe0 [15774.474068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15774.474068][ T7704] ___sys_sendmsg+0xee/0x170 [15774.474068][ T7704] __sys_sendmsg+0xcd/0x170 [15774.474068][ T7704] do_syscall_64+0xc6/0x1e0 [15774.474068][ T7704] [15774.476451][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15774.476451][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15774.476451][ T7704] ipv6_find_idev+0x102/0x170 [15774.476451][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15774.476451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15774.476451][ T7704] netlink_rcv_skb+0x130/0x360 [15774.476451][ T7704] netlink_unicast+0x449/0x710 [15774.476451][ T7704] netlink_sendmsg+0x723/0xbe0 [15774.476451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15774.476451][ T7704] ___sys_sendmsg+0xee/0x170 [15774.476451][ T7704] __sys_sendmsg+0xcd/0x170 [15774.476451][ T7704] do_syscall_64+0xc6/0x1e0 [15774.476451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15774.476451][ T7704] [15774.478307][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15774.478307][ T7704] neigh_parms_alloc+0x1e5/0x510 [15774.478307][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15774.478307][ T7704] ipv6_find_idev+0x102/0x170 [15774.478307][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15774.478307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15774.478307][ T7704] netlink_rcv_skb+0x130/0x360 [15774.478307][ T7704] netlink_unicast+0x449/0x710 [15774.478307][ T7704] netlink_sendmsg+0x723/0xbe0 [15774.478307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15774.478307][ T7704] ___sys_sendmsg+0xee/0x170 [15774.478307][ T7704] __sys_sendmsg+0xcd/0x170 [15774.478307][ T7704] do_syscall_64+0xc6/0x1e0 [15774.478307][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15774.478307][ T7704] [15784.716923][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15784.717736][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15784.717736][ T7704] netdev_get_by_index+0x5e/0x80 [15784.717736][ T7704] fib6_nh_init+0x3d8/0x15b0 [15784.717736][ T7704] ip6_route_info_create+0xf18/0x17d0 [15784.717736][ T7704] ip6_route_add+0x1c/0x140 [15784.717736][ T7704] addrconf_prefix_route+0x2a6/0x430 [15784.717736][ T7704] inet6_addr_add+0x4f8/0xa40 [15784.717736][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15784.717736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15784.717736][ T7704] netlink_rcv_skb+0x130/0x360 [15784.717736][ T7704] netlink_unicast+0x449/0x710 [15784.717736][ T7704] netlink_sendmsg+0x723/0xbe0 [15784.717736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15784.717736][ T7704] ___sys_sendmsg+0xee/0x170 [15784.717736][ T7704] __sys_sendmsg+0xcd/0x170 [15784.717736][ T7704] do_syscall_64+0xc6/0x1e0 [15784.717736][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15784.717736][ T7704] [15784.720035][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15784.720035][ T7704] netdev_get_by_index+0x5e/0x80 [15784.720035][ T7704] fib6_nh_init+0x3d8/0x15b0 [15784.720035][ T7704] ip6_route_info_create+0xf18/0x17d0 [15784.720035][ T7704] addrconf_f6i_alloc+0x315/0x560 [15784.720035][ T7704] ipv6_add_addr+0x411/0x2000 [15784.720035][ T7704] inet6_addr_add+0x30e/0xa40 [15784.720035][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15784.720035][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15784.720035][ T7704] netlink_rcv_skb+0x130/0x360 [15784.720035][ T7704] netlink_unicast+0x449/0x710 [15784.720035][ T7704] netlink_sendmsg+0x723/0xbe0 [15784.720035][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15784.720035][ T7704] ___sys_sendmsg+0xee/0x170 [15784.720035][ T7704] __sys_sendmsg+0xcd/0x170 [15784.720035][ T7704] do_syscall_64+0xc6/0x1e0 [15784.720035][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15784.720035][ T7704] [15784.722274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15784.722274][ T7704] netdev_get_by_index+0x5e/0x80 [15784.722274][ T7704] fib6_nh_init+0x3d8/0x15b0 [15784.722274][ T7704] ip6_route_info_create+0xf18/0x17d0 [15784.722274][ T7704] ip6_route_add+0x1c/0x140 [15784.722274][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15784.722274][ T7704] addrconf_add_dev+0xe2/0x170 [15784.722274][ T7704] inet6_addr_add+0x12f/0xa40 [15784.722274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15784.722274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15784.722274][ T7704] netlink_rcv_skb+0x130/0x360 [15784.722274][ T7704] netlink_unicast+0x449/0x710 [15784.722274][ T7704] netlink_sendmsg+0x723/0xbe0 [15784.722274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15784.722274][ T7704] ___sys_sendmsg+0xee/0x170 [15784.722274][ T7704] __sys_sendmsg+0xcd/0x170 [15784.722274][ T7704] do_syscall_64+0xc6/0x1e0 [15784.722274][ T7704] [15784.724513][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15784.724513][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15784.724513][ T7704] ipv6_find_idev+0x102/0x170 [15784.724513][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15784.724513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15784.724513][ T7704] netlink_rcv_skb+0x130/0x360 [15784.724513][ T7704] netlink_unicast+0x449/0x710 [15784.724513][ T7704] netlink_sendmsg+0x723/0xbe0 [15784.724513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15784.724513][ T7704] ___sys_sendmsg+0xee/0x170 [15784.724513][ T7704] __sys_sendmsg+0xcd/0x170 [15784.724513][ T7704] do_syscall_64+0xc6/0x1e0 [15784.724513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15784.724513][ T7704] [15784.726221][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15784.726221][ T7704] neigh_parms_alloc+0x1e5/0x510 [15784.726221][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15784.726221][ T7704] ipv6_find_idev+0x102/0x170 [15784.726221][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15784.726221][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15784.726221][ T7704] netlink_rcv_skb+0x130/0x360 [15784.726221][ T7704] netlink_unicast+0x449/0x710 [15784.726221][ T7704] netlink_sendmsg+0x723/0xbe0 [15784.726221][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15784.726221][ T7704] ___sys_sendmsg+0xee/0x170 [15784.726221][ T7704] __sys_sendmsg+0xcd/0x170 [15784.726221][ T7704] do_syscall_64+0xc6/0x1e0 [15784.726221][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15784.726221][ T7704] [15794.964886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15794.965752][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15794.965752][ T7704] netdev_get_by_index+0x5e/0x80 [15794.965752][ T7704] fib6_nh_init+0x3d8/0x15b0 [15794.965752][ T7704] ip6_route_info_create+0xf18/0x17d0 [15794.965752][ T7704] ip6_route_add+0x1c/0x140 [15794.965752][ T7704] addrconf_prefix_route+0x2a6/0x430 [15794.965752][ T7704] inet6_addr_add+0x4f8/0xa40 [15794.965752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15794.965752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15794.965752][ T7704] netlink_rcv_skb+0x130/0x360 [15794.965752][ T7704] netlink_unicast+0x449/0x710 [15794.965752][ T7704] netlink_sendmsg+0x723/0xbe0 [15794.965752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15794.965752][ T7704] ___sys_sendmsg+0xee/0x170 [15794.965752][ T7704] __sys_sendmsg+0xcd/0x170 [15794.965752][ T7704] do_syscall_64+0xc6/0x1e0 [15794.965752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15794.965752][ T7704] [15794.968025][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15794.968025][ T7704] netdev_get_by_index+0x5e/0x80 [15794.968025][ T7704] fib6_nh_init+0x3d8/0x15b0 [15794.968025][ T7704] ip6_route_info_create+0xf18/0x17d0 [15794.968025][ T7704] addrconf_f6i_alloc+0x315/0x560 [15794.968025][ T7704] ipv6_add_addr+0x411/0x2000 [15794.968025][ T7704] inet6_addr_add+0x30e/0xa40 [15794.968025][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15794.968025][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15794.968025][ T7704] netlink_rcv_skb+0x130/0x360 [15794.968025][ T7704] netlink_unicast+0x449/0x710 [15794.968025][ T7704] netlink_sendmsg+0x723/0xbe0 [15794.968025][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15794.968025][ T7704] ___sys_sendmsg+0xee/0x170 [15794.968025][ T7704] __sys_sendmsg+0xcd/0x170 [15794.968025][ T7704] do_syscall_64+0xc6/0x1e0 [15794.968025][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15794.968025][ T7704] [15794.970309][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15794.970309][ T7704] netdev_get_by_index+0x5e/0x80 [15794.970309][ T7704] fib6_nh_init+0x3d8/0x15b0 [15794.970309][ T7704] ip6_route_info_create+0xf18/0x17d0 [15794.970309][ T7704] ip6_route_add+0x1c/0x140 [15794.970309][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15794.970309][ T7704] addrconf_add_dev+0xe2/0x170 [15794.970309][ T7704] inet6_addr_add+0x12f/0xa40 [15794.970309][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15794.970309][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15794.970309][ T7704] netlink_rcv_skb+0x130/0x360 [15794.970309][ T7704] netlink_unicast+0x449/0x710 [15794.970309][ T7704] netlink_sendmsg+0x723/0xbe0 [15794.970309][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15794.970309][ T7704] ___sys_sendmsg+0xee/0x170 [15794.970309][ T7704] __sys_sendmsg+0xcd/0x170 [15794.970309][ T7704] do_syscall_64+0xc6/0x1e0 [15794.970309][ T7704] [15794.972513][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15794.972513][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15794.972513][ T7704] ipv6_find_idev+0x102/0x170 [15794.972513][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15794.972513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15794.972513][ T7704] netlink_rcv_skb+0x130/0x360 [15794.972513][ T7704] netlink_unicast+0x449/0x710 [15794.972513][ T7704] netlink_sendmsg+0x723/0xbe0 [15794.972513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15794.972513][ T7704] ___sys_sendmsg+0xee/0x170 [15794.972513][ T7704] __sys_sendmsg+0xcd/0x170 [15794.972513][ T7704] do_syscall_64+0xc6/0x1e0 [15794.972513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15794.972513][ T7704] [15794.974233][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15794.974233][ T7704] neigh_parms_alloc+0x1e5/0x510 [15794.974233][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15794.974233][ T7704] ipv6_find_idev+0x102/0x170 [15794.974233][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15794.974233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15794.974233][ T7704] netlink_rcv_skb+0x130/0x360 [15794.974233][ T7704] netlink_unicast+0x449/0x710 [15794.974233][ T7704] netlink_sendmsg+0x723/0xbe0 [15794.974233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15794.974233][ T7704] ___sys_sendmsg+0xee/0x170 [15794.974233][ T7704] __sys_sendmsg+0xcd/0x170 [15794.974233][ T7704] do_syscall_64+0xc6/0x1e0 [15794.974233][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15794.974233][ T7704] [15805.212827][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15805.213400][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15805.213400][ T7704] netdev_get_by_index+0x5e/0x80 [15805.213400][ T7704] fib6_nh_init+0x3d8/0x15b0 [15805.213400][ T7704] ip6_route_info_create+0xf18/0x17d0 [15805.213400][ T7704] ip6_route_add+0x1c/0x140 [15805.213400][ T7704] addrconf_prefix_route+0x2a6/0x430 [15805.213400][ T7704] inet6_addr_add+0x4f8/0xa40 [15805.213400][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15805.213400][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15805.213400][ T7704] netlink_rcv_skb+0x130/0x360 [15805.213400][ T7704] netlink_unicast+0x449/0x710 [15805.213400][ T7704] netlink_sendmsg+0x723/0xbe0 [15805.213400][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15805.213400][ T7704] ___sys_sendmsg+0xee/0x170 [15805.213400][ T7704] __sys_sendmsg+0xcd/0x170 [15805.213400][ T7704] do_syscall_64+0xc6/0x1e0 [15805.213400][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15805.213400][ T7704] [15805.215673][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15805.215673][ T7704] netdev_get_by_index+0x5e/0x80 [15805.215673][ T7704] fib6_nh_init+0x3d8/0x15b0 [15805.215673][ T7704] ip6_route_info_create+0xf18/0x17d0 [15805.215673][ T7704] addrconf_f6i_alloc+0x315/0x560 [15805.215673][ T7704] ipv6_add_addr+0x411/0x2000 [15805.215673][ T7704] inet6_addr_add+0x30e/0xa40 [15805.215673][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15805.215673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15805.215673][ T7704] netlink_rcv_skb+0x130/0x360 [15805.215673][ T7704] netlink_unicast+0x449/0x710 [15805.215673][ T7704] netlink_sendmsg+0x723/0xbe0 [15805.215673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15805.215673][ T7704] ___sys_sendmsg+0xee/0x170 [15805.215673][ T7704] __sys_sendmsg+0xcd/0x170 [15805.215673][ T7704] do_syscall_64+0xc6/0x1e0 [15805.215673][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15805.215673][ T7704] [15805.217887][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15805.217887][ T7704] netdev_get_by_index+0x5e/0x80 [15805.217887][ T7704] fib6_nh_init+0x3d8/0x15b0 [15805.217887][ T7704] ip6_route_info_create+0xf18/0x17d0 [15805.217887][ T7704] ip6_route_add+0x1c/0x140 [15805.217887][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15805.217887][ T7704] addrconf_add_dev+0xe2/0x170 [15805.217887][ T7704] inet6_addr_add+0x12f/0xa40 [15805.217887][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15805.217887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15805.217887][ T7704] netlink_rcv_skb+0x130/0x360 [15805.217887][ T7704] netlink_unicast+0x449/0x710 [15805.217887][ T7704] netlink_sendmsg+0x723/0xbe0 [15805.217887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15805.217887][ T7704] ___sys_sendmsg+0xee/0x170 [15805.217887][ T7704] __sys_sendmsg+0xcd/0x170 [15805.217887][ T7704] do_syscall_64+0xc6/0x1e0 [15805.217887][ T7704] [15805.220128][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15805.220128][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15805.220128][ T7704] ipv6_find_idev+0x102/0x170 [15805.220128][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15805.220128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15805.220128][ T7704] netlink_rcv_skb+0x130/0x360 [15805.220128][ T7704] netlink_unicast+0x449/0x710 [15805.220128][ T7704] netlink_sendmsg+0x723/0xbe0 [15805.220128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15805.220128][ T7704] ___sys_sendmsg+0xee/0x170 [15805.220128][ T7704] __sys_sendmsg+0xcd/0x170 [15805.220128][ T7704] do_syscall_64+0xc6/0x1e0 [15805.220128][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15805.220128][ T7704] [15805.221818][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15805.221818][ T7704] neigh_parms_alloc+0x1e5/0x510 [15805.221818][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15805.221818][ T7704] ipv6_find_idev+0x102/0x170 [15805.221818][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15805.221818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15805.221818][ T7704] netlink_rcv_skb+0x130/0x360 [15805.221818][ T7704] netlink_unicast+0x449/0x710 [15805.221818][ T7704] netlink_sendmsg+0x723/0xbe0 [15805.221818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15805.221818][ T7704] ___sys_sendmsg+0xee/0x170 [15805.221818][ T7704] __sys_sendmsg+0xcd/0x170 [15805.221818][ T7704] do_syscall_64+0xc6/0x1e0 [15805.221818][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15805.221818][ T7704] [15815.292819][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15815.293331][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15815.293331][ T7704] netdev_get_by_index+0x5e/0x80 [15815.293331][ T7704] fib6_nh_init+0x3d8/0x15b0 [15815.293331][ T7704] ip6_route_info_create+0xf18/0x17d0 [15815.293331][ T7704] ip6_route_add+0x1c/0x140 [15815.293331][ T7704] addrconf_prefix_route+0x2a6/0x430 [15815.293331][ T7704] inet6_addr_add+0x4f8/0xa40 [15815.293331][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15815.293331][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15815.293331][ T7704] netlink_rcv_skb+0x130/0x360 [15815.293331][ T7704] netlink_unicast+0x449/0x710 [15815.293331][ T7704] netlink_sendmsg+0x723/0xbe0 [15815.293331][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15815.293331][ T7704] ___sys_sendmsg+0xee/0x170 [15815.293331][ T7704] __sys_sendmsg+0xcd/0x170 [15815.293331][ T7704] do_syscall_64+0xc6/0x1e0 [15815.293331][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15815.293331][ T7704] [15815.295556][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15815.295556][ T7704] netdev_get_by_index+0x5e/0x80 [15815.295556][ T7704] fib6_nh_init+0x3d8/0x15b0 [15815.295556][ T7704] ip6_route_info_create+0xf18/0x17d0 [15815.295556][ T7704] addrconf_f6i_alloc+0x315/0x560 [15815.295556][ T7704] ipv6_add_addr+0x411/0x2000 [15815.295556][ T7704] inet6_addr_add+0x30e/0xa40 [15815.295556][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15815.295556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15815.295556][ T7704] netlink_rcv_skb+0x130/0x360 [15815.295556][ T7704] netlink_unicast+0x449/0x710 [15815.295556][ T7704] netlink_sendmsg+0x723/0xbe0 [15815.295556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15815.295556][ T7704] ___sys_sendmsg+0xee/0x170 [15815.295556][ T7704] __sys_sendmsg+0xcd/0x170 [15815.295556][ T7704] do_syscall_64+0xc6/0x1e0 [15815.295556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15815.295556][ T7704] [15815.297752][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15815.297752][ T7704] netdev_get_by_index+0x5e/0x80 [15815.297752][ T7704] fib6_nh_init+0x3d8/0x15b0 [15815.297752][ T7704] ip6_route_info_create+0xf18/0x17d0 [15815.297752][ T7704] ip6_route_add+0x1c/0x140 [15815.297752][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15815.297752][ T7704] addrconf_add_dev+0xe2/0x170 [15815.297752][ T7704] inet6_addr_add+0x12f/0xa40 [15815.297752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15815.297752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15815.297752][ T7704] netlink_rcv_skb+0x130/0x360 [15815.297752][ T7704] netlink_unicast+0x449/0x710 [15815.297752][ T7704] netlink_sendmsg+0x723/0xbe0 [15815.297752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15815.297752][ T7704] ___sys_sendmsg+0xee/0x170 [15815.297752][ T7704] __sys_sendmsg+0xcd/0x170 [15815.297752][ T7704] do_syscall_64+0xc6/0x1e0 [15815.297752][ T7704] [15815.299948][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15815.299948][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15815.299948][ T7704] ipv6_find_idev+0x102/0x170 [15815.299948][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15815.299948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15815.299948][ T7704] netlink_rcv_skb+0x130/0x360 [15815.299948][ T7704] netlink_unicast+0x449/0x710 [15815.299948][ T7704] netlink_sendmsg+0x723/0xbe0 [15815.299948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15815.299948][ T7704] ___sys_sendmsg+0xee/0x170 [15815.299948][ T7704] __sys_sendmsg+0xcd/0x170 [15815.299948][ T7704] do_syscall_64+0xc6/0x1e0 [15815.299948][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15815.299948][ T7704] [15815.301634][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15815.301634][ T7704] neigh_parms_alloc+0x1e5/0x510 [15815.301634][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15815.301634][ T7704] ipv6_find_idev+0x102/0x170 [15815.301634][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15815.301634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15815.301634][ T7704] netlink_rcv_skb+0x130/0x360 [15815.301634][ T7704] netlink_unicast+0x449/0x710 [15815.301634][ T7704] netlink_sendmsg+0x723/0xbe0 [15815.301634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15815.301634][ T7704] ___sys_sendmsg+0xee/0x170 [15815.301634][ T7704] __sys_sendmsg+0xcd/0x170 [15815.301634][ T7704] do_syscall_64+0xc6/0x1e0 [15815.301634][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15815.301634][ T7704] [15825.548822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15825.549489][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15825.549489][ T7704] netdev_get_by_index+0x5e/0x80 [15825.549489][ T7704] fib6_nh_init+0x3d8/0x15b0 [15825.549489][ T7704] ip6_route_info_create+0xf18/0x17d0 [15825.549489][ T7704] ip6_route_add+0x1c/0x140 [15825.549489][ T7704] addrconf_prefix_route+0x2a6/0x430 [15825.549489][ T7704] inet6_addr_add+0x4f8/0xa40 [15825.549489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15825.549489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15825.549489][ T7704] netlink_rcv_skb+0x130/0x360 [15825.549489][ T7704] netlink_unicast+0x449/0x710 [15825.549489][ T7704] netlink_sendmsg+0x723/0xbe0 [15825.549489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15825.549489][ T7704] ___sys_sendmsg+0xee/0x170 [15825.549489][ T7704] __sys_sendmsg+0xcd/0x170 [15825.549489][ T7704] do_syscall_64+0xc6/0x1e0 [15825.549489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15825.549489][ T7704] [15825.552093][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15825.552093][ T7704] netdev_get_by_index+0x5e/0x80 [15825.552093][ T7704] fib6_nh_init+0x3d8/0x15b0 [15825.552093][ T7704] ip6_route_info_create+0xf18/0x17d0 [15825.552093][ T7704] addrconf_f6i_alloc+0x315/0x560 [15825.552093][ T7704] ipv6_add_addr+0x411/0x2000 [15825.552093][ T7704] inet6_addr_add+0x30e/0xa40 [15825.552093][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15825.552093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15825.552093][ T7704] netlink_rcv_skb+0x130/0x360 [15825.552093][ T7704] netlink_unicast+0x449/0x710 [15825.552093][ T7704] netlink_sendmsg+0x723/0xbe0 [15825.552093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15825.552093][ T7704] ___sys_sendmsg+0xee/0x170 [15825.552093][ T7704] __sys_sendmsg+0xcd/0x170 [15825.552093][ T7704] do_syscall_64+0xc6/0x1e0 [15825.552093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15825.552093][ T7704] [15825.554608][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15825.554608][ T7704] netdev_get_by_index+0x5e/0x80 [15825.554608][ T7704] fib6_nh_init+0x3d8/0x15b0 [15825.554608][ T7704] ip6_route_info_create+0xf18/0x17d0 [15825.554608][ T7704] ip6_route_add+0x1c/0x140 [15825.554608][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15825.554608][ T7704] addrconf_add_dev+0xe2/0x170 [15825.554608][ T7704] inet6_addr_add+0x12f/0xa40 [15825.554608][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15825.554608][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15825.554608][ T7704] netlink_rcv_skb+0x130/0x360 [15825.554608][ T7704] netlink_unicast+0x449/0x710 [15825.554608][ T7704] netlink_sendmsg+0x723/0xbe0 [15825.554608][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15825.554608][ T7704] ___sys_sendmsg+0xee/0x170 [15825.554608][ T7704] __sys_sendmsg+0xcd/0x170 [15825.554608][ T7704] do_syscall_64+0xc6/0x1e0 [15825.554608][ T7704] [15825.557591][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15825.557591][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15825.557591][ T7704] ipv6_find_idev+0x102/0x170 [15825.557591][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15825.557591][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15825.557591][ T7704] netlink_rcv_skb+0x130/0x360 [15825.557591][ T7704] netlink_unicast+0x449/0x710 [15825.557591][ T7704] netlink_sendmsg+0x723/0xbe0 [15825.557591][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15825.557591][ T7704] ___sys_sendmsg+0xee/0x170 [15825.557591][ T7704] __sys_sendmsg+0xcd/0x170 [15825.557591][ T7704] do_syscall_64+0xc6/0x1e0 [15825.557591][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15825.557591][ T7704] [15825.559495][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15825.559495][ T7704] neigh_parms_alloc+0x1e5/0x510 [15825.559495][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15825.559495][ T7704] ipv6_find_idev+0x102/0x170 [15825.559495][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15825.559495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15825.559495][ T7704] netlink_rcv_skb+0x130/0x360 [15825.559495][ T7704] netlink_unicast+0x449/0x710 [15825.559495][ T7704] netlink_sendmsg+0x723/0xbe0 [15825.559495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15825.559495][ T7704] ___sys_sendmsg+0xee/0x170 [15825.559495][ T7704] __sys_sendmsg+0xcd/0x170 [15825.559495][ T7704] do_syscall_64+0xc6/0x1e0 [15825.559495][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15825.559495][ T7704] [15835.812886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15835.813624][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15835.813624][ T7704] netdev_get_by_index+0x5e/0x80 [15835.813624][ T7704] fib6_nh_init+0x3d8/0x15b0 [15835.813624][ T7704] ip6_route_info_create+0xf18/0x17d0 [15835.813624][ T7704] ip6_route_add+0x1c/0x140 [15835.813624][ T7704] addrconf_prefix_route+0x2a6/0x430 [15835.813624][ T7704] inet6_addr_add+0x4f8/0xa40 [15835.813624][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15835.813624][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15835.813624][ T7704] netlink_rcv_skb+0x130/0x360 [15835.813624][ T7704] netlink_unicast+0x449/0x710 [15835.813624][ T7704] netlink_sendmsg+0x723/0xbe0 [15835.813624][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15835.813624][ T7704] ___sys_sendmsg+0xee/0x170 [15835.813624][ T7704] __sys_sendmsg+0xcd/0x170 [15835.813624][ T7704] do_syscall_64+0xc6/0x1e0 [15835.813624][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15835.813624][ T7704] [15835.815732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15835.815732][ T7704] netdev_get_by_index+0x5e/0x80 [15835.815732][ T7704] fib6_nh_init+0x3d8/0x15b0 [15835.815732][ T7704] ip6_route_info_create+0xf18/0x17d0 [15835.815732][ T7704] addrconf_f6i_alloc+0x315/0x560 [15835.815732][ T7704] ipv6_add_addr+0x411/0x2000 [15835.815732][ T7704] inet6_addr_add+0x30e/0xa40 [15835.815732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15835.815732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15835.815732][ T7704] netlink_rcv_skb+0x130/0x360 [15835.815732][ T7704] netlink_unicast+0x449/0x710 [15835.815732][ T7704] netlink_sendmsg+0x723/0xbe0 [15835.815732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15835.815732][ T7704] ___sys_sendmsg+0xee/0x170 [15835.815732][ T7704] __sys_sendmsg+0xcd/0x170 [15835.815732][ T7704] do_syscall_64+0xc6/0x1e0 [15835.815732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15835.815732][ T7704] [15835.817955][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15835.817955][ T7704] netdev_get_by_index+0x5e/0x80 [15835.817955][ T7704] fib6_nh_init+0x3d8/0x15b0 [15835.817955][ T7704] ip6_route_info_create+0xf18/0x17d0 [15835.817955][ T7704] ip6_route_add+0x1c/0x140 [15835.817955][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15835.817955][ T7704] addrconf_add_dev+0xe2/0x170 [15835.817955][ T7704] inet6_addr_add+0x12f/0xa40 [15835.817955][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15835.817955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15835.817955][ T7704] netlink_rcv_skb+0x130/0x360 [15835.817955][ T7704] netlink_unicast+0x449/0x710 [15835.817955][ T7704] netlink_sendmsg+0x723/0xbe0 [15835.817955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15835.817955][ T7704] ___sys_sendmsg+0xee/0x170 [15835.817955][ T7704] __sys_sendmsg+0xcd/0x170 [15835.817955][ T7704] do_syscall_64+0xc6/0x1e0 [15835.817955][ T7704] [15835.820090][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15835.820090][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15835.820090][ T7704] ipv6_find_idev+0x102/0x170 [15835.820090][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15835.820090][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15835.820090][ T7704] netlink_rcv_skb+0x130/0x360 [15835.820090][ T7704] netlink_unicast+0x449/0x710 [15835.820090][ T7704] netlink_sendmsg+0x723/0xbe0 [15835.820090][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15835.820090][ T7704] ___sys_sendmsg+0xee/0x170 [15835.820090][ T7704] __sys_sendmsg+0xcd/0x170 [15835.820090][ T7704] do_syscall_64+0xc6/0x1e0 [15835.820090][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15835.820090][ T7704] [15835.821805][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15835.821805][ T7704] neigh_parms_alloc+0x1e5/0x510 [15835.821805][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15835.821805][ T7704] ipv6_find_idev+0x102/0x170 [15835.821805][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15835.821805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15835.821805][ T7704] netlink_rcv_skb+0x130/0x360 [15835.821805][ T7704] netlink_unicast+0x449/0x710 [15835.821805][ T7704] netlink_sendmsg+0x723/0xbe0 [15835.821805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15835.821805][ T7704] ___sys_sendmsg+0xee/0x170 [15835.821805][ T7704] __sys_sendmsg+0xcd/0x170 [15835.821805][ T7704] do_syscall_64+0xc6/0x1e0 [15835.821805][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15835.821805][ T7704] [15845.884870][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15845.885732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15845.885732][ T7704] netdev_get_by_index+0x5e/0x80 [15845.885732][ T7704] fib6_nh_init+0x3d8/0x15b0 [15845.885732][ T7704] ip6_route_info_create+0xf18/0x17d0 [15845.885732][ T7704] ip6_route_add+0x1c/0x140 [15845.885732][ T7704] addrconf_prefix_route+0x2a6/0x430 [15845.885732][ T7704] inet6_addr_add+0x4f8/0xa40 [15845.885732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15845.885732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15845.885732][ T7704] netlink_rcv_skb+0x130/0x360 [15845.885732][ T7704] netlink_unicast+0x449/0x710 [15845.885732][ T7704] netlink_sendmsg+0x723/0xbe0 [15845.885732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15845.885732][ T7704] ___sys_sendmsg+0xee/0x170 [15845.885732][ T7704] __sys_sendmsg+0xcd/0x170 [15845.885732][ T7704] do_syscall_64+0xc6/0x1e0 [15845.885732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15845.885732][ T7704] [15845.888012][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15845.888012][ T7704] netdev_get_by_index+0x5e/0x80 [15845.888012][ T7704] fib6_nh_init+0x3d8/0x15b0 [15845.888012][ T7704] ip6_route_info_create+0xf18/0x17d0 [15845.888012][ T7704] addrconf_f6i_alloc+0x315/0x560 [15845.888012][ T7704] ipv6_add_addr+0x411/0x2000 [15845.888012][ T7704] inet6_addr_add+0x30e/0xa40 [15845.888012][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15845.888012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15845.888012][ T7704] netlink_rcv_skb+0x130/0x360 [15845.888012][ T7704] netlink_unicast+0x449/0x710 [15845.888012][ T7704] netlink_sendmsg+0x723/0xbe0 [15845.888012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15845.888012][ T7704] ___sys_sendmsg+0xee/0x170 [15845.888012][ T7704] __sys_sendmsg+0xcd/0x170 [15845.888012][ T7704] do_syscall_64+0xc6/0x1e0 [15845.888012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15845.888012][ T7704] [15845.890100][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15845.890100][ T7704] netdev_get_by_index+0x5e/0x80 [15845.890100][ T7704] fib6_nh_init+0x3d8/0x15b0 [15845.890100][ T7704] ip6_route_info_create+0xf18/0x17d0 [15845.890100][ T7704] ip6_route_add+0x1c/0x140 [15845.890100][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15845.890100][ T7704] addrconf_add_dev+0xe2/0x170 [15845.890100][ T7704] inet6_addr_add+0x12f/0xa40 [15845.890100][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15845.890100][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15845.890100][ T7704] netlink_rcv_skb+0x130/0x360 [15845.890100][ T7704] netlink_unicast+0x449/0x710 [15845.890100][ T7704] netlink_sendmsg+0x723/0xbe0 [15845.890100][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15845.890100][ T7704] ___sys_sendmsg+0xee/0x170 [15845.890100][ T7704] __sys_sendmsg+0xcd/0x170 [15845.890100][ T7704] do_syscall_64+0xc6/0x1e0 [15845.890100][ T7704] [15845.892265][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15845.892265][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15845.892265][ T7704] ipv6_find_idev+0x102/0x170 [15845.892265][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15845.892265][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15845.892265][ T7704] netlink_rcv_skb+0x130/0x360 [15845.892265][ T7704] netlink_unicast+0x449/0x710 [15845.892265][ T7704] netlink_sendmsg+0x723/0xbe0 [15845.892265][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15845.892265][ T7704] ___sys_sendmsg+0xee/0x170 [15845.892265][ T7704] __sys_sendmsg+0xcd/0x170 [15845.892265][ T7704] do_syscall_64+0xc6/0x1e0 [15845.892265][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15845.892265][ T7704] [15845.893952][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15845.893952][ T7704] neigh_parms_alloc+0x1e5/0x510 [15845.893952][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15845.893952][ T7704] ipv6_find_idev+0x102/0x170 [15845.893952][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15845.893952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15845.893952][ T7704] netlink_rcv_skb+0x130/0x360 [15845.893952][ T7704] netlink_unicast+0x449/0x710 [15845.893952][ T7704] netlink_sendmsg+0x723/0xbe0 [15845.893952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15845.893952][ T7704] ___sys_sendmsg+0xee/0x170 [15845.893952][ T7704] __sys_sendmsg+0xcd/0x170 [15845.893952][ T7704] do_syscall_64+0xc6/0x1e0 [15845.893952][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15845.893952][ T7704] [15856.132818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15856.133476][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15856.133476][ T7704] netdev_get_by_index+0x5e/0x80 [15856.133476][ T7704] fib6_nh_init+0x3d8/0x15b0 [15856.133476][ T7704] ip6_route_info_create+0xf18/0x17d0 [15856.133476][ T7704] ip6_route_add+0x1c/0x140 [15856.133476][ T7704] addrconf_prefix_route+0x2a6/0x430 [15856.133476][ T7704] inet6_addr_add+0x4f8/0xa40 [15856.133476][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15856.133476][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15856.133476][ T7704] netlink_rcv_skb+0x130/0x360 [15856.133476][ T7704] netlink_unicast+0x449/0x710 [15856.133476][ T7704] netlink_sendmsg+0x723/0xbe0 [15856.133476][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15856.133476][ T7704] ___sys_sendmsg+0xee/0x170 [15856.133476][ T7704] __sys_sendmsg+0xcd/0x170 [15856.133476][ T7704] do_syscall_64+0xc6/0x1e0 [15856.133476][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15856.133476][ T7704] [15856.135974][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15856.135974][ T7704] netdev_get_by_index+0x5e/0x80 [15856.135974][ T7704] fib6_nh_init+0x3d8/0x15b0 [15856.135974][ T7704] ip6_route_info_create+0xf18/0x17d0 [15856.135974][ T7704] addrconf_f6i_alloc+0x315/0x560 [15856.135974][ T7704] ipv6_add_addr+0x411/0x2000 [15856.135974][ T7704] inet6_addr_add+0x30e/0xa40 [15856.135974][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15856.135974][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15856.135974][ T7704] netlink_rcv_skb+0x130/0x360 [15856.135974][ T7704] netlink_unicast+0x449/0x710 [15856.135974][ T7704] netlink_sendmsg+0x723/0xbe0 [15856.135974][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15856.135974][ T7704] ___sys_sendmsg+0xee/0x170 [15856.135974][ T7704] __sys_sendmsg+0xcd/0x170 [15856.135974][ T7704] do_syscall_64+0xc6/0x1e0 [15856.135974][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15856.135974][ T7704] [15856.138454][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15856.138454][ T7704] netdev_get_by_index+0x5e/0x80 [15856.138454][ T7704] fib6_nh_init+0x3d8/0x15b0 [15856.138454][ T7704] ip6_route_info_create+0xf18/0x17d0 [15856.138454][ T7704] ip6_route_add+0x1c/0x140 [15856.138454][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15856.138454][ T7704] addrconf_add_dev+0xe2/0x170 [15856.138454][ T7704] inet6_addr_add+0x12f/0xa40 [15856.138454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15856.138454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15856.138454][ T7704] netlink_rcv_skb+0x130/0x360 [15856.138454][ T7704] netlink_unicast+0x449/0x710 [15856.138454][ T7704] netlink_sendmsg+0x723/0xbe0 [15856.138454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15856.138454][ T7704] ___sys_sendmsg+0xee/0x170 [15856.138454][ T7704] __sys_sendmsg+0xcd/0x170 [15856.138454][ T7704] do_syscall_64+0xc6/0x1e0 [15856.138454][ T7704] [15856.140868][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15856.140868][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15856.140868][ T7704] ipv6_find_idev+0x102/0x170 [15856.140868][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15856.140868][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15856.140868][ T7704] netlink_rcv_skb+0x130/0x360 [15856.140868][ T7704] netlink_unicast+0x449/0x710 [15856.140868][ T7704] netlink_sendmsg+0x723/0xbe0 [15856.140868][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15856.140868][ T7704] ___sys_sendmsg+0xee/0x170 [15856.140868][ T7704] __sys_sendmsg+0xcd/0x170 [15856.140868][ T7704] do_syscall_64+0xc6/0x1e0 [15856.140868][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15856.140868][ T7704] [15856.142769][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15856.142769][ T7704] neigh_parms_alloc+0x1e5/0x510 [15856.142769][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15856.142769][ T7704] ipv6_find_idev+0x102/0x170 [15856.142769][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15856.142769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15856.142769][ T7704] netlink_rcv_skb+0x130/0x360 [15856.142769][ T7704] netlink_unicast+0x449/0x710 [15856.142769][ T7704] netlink_sendmsg+0x723/0xbe0 [15856.142769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15856.142769][ T7704] ___sys_sendmsg+0xee/0x170 [15856.142769][ T7704] __sys_sendmsg+0xcd/0x170 [15856.142769][ T7704] do_syscall_64+0xc6/0x1e0 [15856.142769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15856.142769][ T7704] [15866.380825][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15866.381444][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15866.381444][ T7704] netdev_get_by_index+0x5e/0x80 [15866.381444][ T7704] fib6_nh_init+0x3d8/0x15b0 [15866.381444][ T7704] ip6_route_info_create+0xf18/0x17d0 [15866.381444][ T7704] ip6_route_add+0x1c/0x140 [15866.381444][ T7704] addrconf_prefix_route+0x2a6/0x430 [15866.381444][ T7704] inet6_addr_add+0x4f8/0xa40 [15866.381444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15866.381444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15866.381444][ T7704] netlink_rcv_skb+0x130/0x360 [15866.381444][ T7704] netlink_unicast+0x449/0x710 [15866.381444][ T7704] netlink_sendmsg+0x723/0xbe0 [15866.381444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15866.381444][ T7704] ___sys_sendmsg+0xee/0x170 [15866.381444][ T7704] __sys_sendmsg+0xcd/0x170 [15866.381444][ T7704] do_syscall_64+0xc6/0x1e0 [15866.381444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15866.381444][ T7704] [15866.384170][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15866.384170][ T7704] netdev_get_by_index+0x5e/0x80 [15866.384170][ T7704] fib6_nh_init+0x3d8/0x15b0 [15866.384170][ T7704] ip6_route_info_create+0xf18/0x17d0 [15866.384170][ T7704] addrconf_f6i_alloc+0x315/0x560 [15866.384170][ T7704] ipv6_add_addr+0x411/0x2000 [15866.384170][ T7704] inet6_addr_add+0x30e/0xa40 [15866.384170][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15866.384170][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15866.384170][ T7704] netlink_rcv_skb+0x130/0x360 [15866.384170][ T7704] netlink_unicast+0x449/0x710 [15866.384170][ T7704] netlink_sendmsg+0x723/0xbe0 [15866.384170][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15866.384170][ T7704] ___sys_sendmsg+0xee/0x170 [15866.384170][ T7704] __sys_sendmsg+0xcd/0x170 [15866.384170][ T7704] do_syscall_64+0xc6/0x1e0 [15866.384170][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15866.384170][ T7704] [15866.386599][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15866.386599][ T7704] netdev_get_by_index+0x5e/0x80 [15866.386599][ T7704] fib6_nh_init+0x3d8/0x15b0 [15866.386599][ T7704] ip6_route_info_create+0xf18/0x17d0 [15866.386599][ T7704] ip6_route_add+0x1c/0x140 [15866.386599][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15866.386599][ T7704] addrconf_add_dev+0xe2/0x170 [15866.386599][ T7704] inet6_addr_add+0x12f/0xa40 [15866.386599][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15866.386599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15866.386599][ T7704] netlink_rcv_skb+0x130/0x360 [15866.386599][ T7704] netlink_unicast+0x449/0x710 [15866.386599][ T7704] netlink_sendmsg+0x723/0xbe0 [15866.386599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15866.386599][ T7704] ___sys_sendmsg+0xee/0x170 [15866.386599][ T7704] __sys_sendmsg+0xcd/0x170 [15866.386599][ T7704] do_syscall_64+0xc6/0x1e0 [15866.386599][ T7704] [15866.389032][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15866.389032][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15866.389032][ T7704] ipv6_find_idev+0x102/0x170 [15866.389032][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15866.389032][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15866.389032][ T7704] netlink_rcv_skb+0x130/0x360 [15866.389032][ T7704] netlink_unicast+0x449/0x710 [15866.389032][ T7704] netlink_sendmsg+0x723/0xbe0 [15866.389032][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15866.389032][ T7704] ___sys_sendmsg+0xee/0x170 [15866.389032][ T7704] __sys_sendmsg+0xcd/0x170 [15866.389032][ T7704] do_syscall_64+0xc6/0x1e0 [15866.389032][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15866.389032][ T7704] [15866.390942][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15866.390942][ T7704] neigh_parms_alloc+0x1e5/0x510 [15866.390942][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15866.390942][ T7704] ipv6_find_idev+0x102/0x170 [15866.390942][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15866.390942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15866.390942][ T7704] netlink_rcv_skb+0x130/0x360 [15866.390942][ T7704] netlink_unicast+0x449/0x710 [15866.390942][ T7704] netlink_sendmsg+0x723/0xbe0 [15866.390942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15866.390942][ T7704] ___sys_sendmsg+0xee/0x170 [15866.390942][ T7704] __sys_sendmsg+0xcd/0x170 [15866.390942][ T7704] do_syscall_64+0xc6/0x1e0 [15866.390942][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15866.390942][ T7704] [15876.628878][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15876.629844][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15876.629844][ T7704] netdev_get_by_index+0x5e/0x80 [15876.629844][ T7704] fib6_nh_init+0x3d8/0x15b0 [15876.629844][ T7704] ip6_route_info_create+0xf18/0x17d0 [15876.629844][ T7704] ip6_route_add+0x1c/0x140 [15876.629844][ T7704] addrconf_prefix_route+0x2a6/0x430 [15876.629844][ T7704] inet6_addr_add+0x4f8/0xa40 [15876.629844][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15876.629844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15876.629844][ T7704] netlink_rcv_skb+0x130/0x360 [15876.629844][ T7704] netlink_unicast+0x449/0x710 [15876.629844][ T7704] netlink_sendmsg+0x723/0xbe0 [15876.629844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15876.629844][ T7704] ___sys_sendmsg+0xee/0x170 [15876.629844][ T7704] __sys_sendmsg+0xcd/0x170 [15876.629844][ T7704] do_syscall_64+0xc6/0x1e0 [15876.629844][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15876.629844][ T7704] [15876.632075][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15876.632075][ T7704] netdev_get_by_index+0x5e/0x80 [15876.632075][ T7704] fib6_nh_init+0x3d8/0x15b0 [15876.632075][ T7704] ip6_route_info_create+0xf18/0x17d0 [15876.632075][ T7704] addrconf_f6i_alloc+0x315/0x560 [15876.632075][ T7704] ipv6_add_addr+0x411/0x2000 [15876.632075][ T7704] inet6_addr_add+0x30e/0xa40 [15876.632075][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15876.632075][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15876.632075][ T7704] netlink_rcv_skb+0x130/0x360 [15876.632075][ T7704] netlink_unicast+0x449/0x710 [15876.632075][ T7704] netlink_sendmsg+0x723/0xbe0 [15876.632075][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15876.632075][ T7704] ___sys_sendmsg+0xee/0x170 [15876.632075][ T7704] __sys_sendmsg+0xcd/0x170 [15876.632075][ T7704] do_syscall_64+0xc6/0x1e0 [15876.632075][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15876.632075][ T7704] [15876.634255][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15876.634255][ T7704] netdev_get_by_index+0x5e/0x80 [15876.634255][ T7704] fib6_nh_init+0x3d8/0x15b0 [15876.634255][ T7704] ip6_route_info_create+0xf18/0x17d0 [15876.634255][ T7704] ip6_route_add+0x1c/0x140 [15876.634255][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15876.634255][ T7704] addrconf_add_dev+0xe2/0x170 [15876.634255][ T7704] inet6_addr_add+0x12f/0xa40 [15876.634255][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15876.634255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15876.634255][ T7704] netlink_rcv_skb+0x130/0x360 [15876.634255][ T7704] netlink_unicast+0x449/0x710 [15876.634255][ T7704] netlink_sendmsg+0x723/0xbe0 [15876.634255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15876.634255][ T7704] ___sys_sendmsg+0xee/0x170 [15876.634255][ T7704] __sys_sendmsg+0xcd/0x170 [15876.634255][ T7704] do_syscall_64+0xc6/0x1e0 [15876.634255][ T7704] [15876.636397][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15876.636397][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15876.636397][ T7704] ipv6_find_idev+0x102/0x170 [15876.636397][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15876.636397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15876.636397][ T7704] netlink_rcv_skb+0x130/0x360 [15876.636397][ T7704] netlink_unicast+0x449/0x710 [15876.636397][ T7704] netlink_sendmsg+0x723/0xbe0 [15876.636397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15876.636397][ T7704] ___sys_sendmsg+0xee/0x170 [15876.636397][ T7704] __sys_sendmsg+0xcd/0x170 [15876.636397][ T7704] do_syscall_64+0xc6/0x1e0 [15876.636397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15876.636397][ T7704] [15876.638058][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15876.638058][ T7704] neigh_parms_alloc+0x1e5/0x510 [15876.638058][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15876.638058][ T7704] ipv6_find_idev+0x102/0x170 [15876.638058][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15876.638058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15876.638058][ T7704] netlink_rcv_skb+0x130/0x360 [15876.638058][ T7704] netlink_unicast+0x449/0x710 [15876.638058][ T7704] netlink_sendmsg+0x723/0xbe0 [15876.638058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15876.638058][ T7704] ___sys_sendmsg+0xee/0x170 [15876.638058][ T7704] __sys_sendmsg+0xcd/0x170 [15876.638058][ T7704] do_syscall_64+0xc6/0x1e0 [15876.638058][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15876.638058][ T7704] [15886.660933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15886.661643][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15886.661643][ T7704] netdev_get_by_index+0x5e/0x80 [15886.661643][ T7704] fib6_nh_init+0x3d8/0x15b0 [15886.661643][ T7704] ip6_route_info_create+0xf18/0x17d0 [15886.661643][ T7704] ip6_route_add+0x1c/0x140 [15886.661643][ T7704] addrconf_prefix_route+0x2a6/0x430 [15886.661643][ T7704] inet6_addr_add+0x4f8/0xa40 [15886.661643][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15886.661643][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15886.661643][ T7704] netlink_rcv_skb+0x130/0x360 [15886.661643][ T7704] netlink_unicast+0x449/0x710 [15886.661643][ T7704] netlink_sendmsg+0x723/0xbe0 [15886.661643][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15886.661643][ T7704] ___sys_sendmsg+0xee/0x170 [15886.661643][ T7704] __sys_sendmsg+0xcd/0x170 [15886.661643][ T7704] do_syscall_64+0xc6/0x1e0 [15886.661643][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15886.661643][ T7704] [15886.663925][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15886.663925][ T7704] netdev_get_by_index+0x5e/0x80 [15886.663925][ T7704] fib6_nh_init+0x3d8/0x15b0 [15886.663925][ T7704] ip6_route_info_create+0xf18/0x17d0 [15886.663925][ T7704] addrconf_f6i_alloc+0x315/0x560 [15886.663925][ T7704] ipv6_add_addr+0x411/0x2000 [15886.663925][ T7704] inet6_addr_add+0x30e/0xa40 [15886.663925][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15886.663925][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15886.663925][ T7704] netlink_rcv_skb+0x130/0x360 [15886.663925][ T7704] netlink_unicast+0x449/0x710 [15886.663925][ T7704] netlink_sendmsg+0x723/0xbe0 [15886.663925][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15886.663925][ T7704] ___sys_sendmsg+0xee/0x170 [15886.663925][ T7704] __sys_sendmsg+0xcd/0x170 [15886.663925][ T7704] do_syscall_64+0xc6/0x1e0 [15886.663925][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15886.663925][ T7704] [15886.666079][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15886.666079][ T7704] netdev_get_by_index+0x5e/0x80 [15886.666079][ T7704] fib6_nh_init+0x3d8/0x15b0 [15886.666079][ T7704] ip6_route_info_create+0xf18/0x17d0 [15886.666079][ T7704] ip6_route_add+0x1c/0x140 [15886.666079][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15886.666079][ T7704] addrconf_add_dev+0xe2/0x170 [15886.666079][ T7704] inet6_addr_add+0x12f/0xa40 [15886.666079][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15886.666079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15886.666079][ T7704] netlink_rcv_skb+0x130/0x360 [15886.666079][ T7704] netlink_unicast+0x449/0x710 [15886.666079][ T7704] netlink_sendmsg+0x723/0xbe0 [15886.666079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15886.666079][ T7704] ___sys_sendmsg+0xee/0x170 [15886.666079][ T7704] __sys_sendmsg+0xcd/0x170 [15886.666079][ T7704] do_syscall_64+0xc6/0x1e0 [15886.666079][ T7704] [15886.668225][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15886.668225][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15886.668225][ T7704] ipv6_find_idev+0x102/0x170 [15886.668225][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15886.668225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15886.668225][ T7704] netlink_rcv_skb+0x130/0x360 [15886.668225][ T7704] netlink_unicast+0x449/0x710 [15886.668225][ T7704] netlink_sendmsg+0x723/0xbe0 [15886.668225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15886.668225][ T7704] ___sys_sendmsg+0xee/0x170 [15886.668225][ T7704] __sys_sendmsg+0xcd/0x170 [15886.668225][ T7704] do_syscall_64+0xc6/0x1e0 [15886.668225][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15886.668225][ T7704] [15886.669917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15886.669917][ T7704] neigh_parms_alloc+0x1e5/0x510 [15886.669917][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15886.669917][ T7704] ipv6_find_idev+0x102/0x170 [15886.669917][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15886.669917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15886.669917][ T7704] netlink_rcv_skb+0x130/0x360 [15886.669917][ T7704] netlink_unicast+0x449/0x710 [15886.669917][ T7704] netlink_sendmsg+0x723/0xbe0 [15886.669917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15886.669917][ T7704] ___sys_sendmsg+0xee/0x170 [15886.669917][ T7704] __sys_sendmsg+0xcd/0x170 [15886.669917][ T7704] do_syscall_64+0xc6/0x1e0 [15886.669917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15886.669917][ T7704] [15896.892891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15896.893811][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15896.893811][ T7704] netdev_get_by_index+0x5e/0x80 [15896.893811][ T7704] fib6_nh_init+0x3d8/0x15b0 [15896.893811][ T7704] ip6_route_info_create+0xf18/0x17d0 [15896.893811][ T7704] ip6_route_add+0x1c/0x140 [15896.893811][ T7704] addrconf_prefix_route+0x2a6/0x430 [15896.893811][ T7704] inet6_addr_add+0x4f8/0xa40 [15896.893811][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15896.893811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15896.893811][ T7704] netlink_rcv_skb+0x130/0x360 [15896.893811][ T7704] netlink_unicast+0x449/0x710 [15896.893811][ T7704] netlink_sendmsg+0x723/0xbe0 [15896.893811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15896.893811][ T7704] ___sys_sendmsg+0xee/0x170 [15896.893811][ T7704] __sys_sendmsg+0xcd/0x170 [15896.893811][ T7704] do_syscall_64+0xc6/0x1e0 [15896.893811][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15896.893811][ T7704] [15896.895943][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15896.895943][ T7704] netdev_get_by_index+0x5e/0x80 [15896.895943][ T7704] fib6_nh_init+0x3d8/0x15b0 [15896.895943][ T7704] ip6_route_info_create+0xf18/0x17d0 [15896.895943][ T7704] addrconf_f6i_alloc+0x315/0x560 [15896.895943][ T7704] ipv6_add_addr+0x411/0x2000 [15896.895943][ T7704] inet6_addr_add+0x30e/0xa40 [15896.895943][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15896.895943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15896.895943][ T7704] netlink_rcv_skb+0x130/0x360 [15896.895943][ T7704] netlink_unicast+0x449/0x710 [15896.895943][ T7704] netlink_sendmsg+0x723/0xbe0 [15896.895943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15896.895943][ T7704] ___sys_sendmsg+0xee/0x170 [15896.895943][ T7704] __sys_sendmsg+0xcd/0x170 [15896.895943][ T7704] do_syscall_64+0xc6/0x1e0 [15896.895943][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15896.895943][ T7704] [15896.898175][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15896.898175][ T7704] netdev_get_by_index+0x5e/0x80 [15896.898175][ T7704] fib6_nh_init+0x3d8/0x15b0 [15896.898175][ T7704] ip6_route_info_create+0xf18/0x17d0 [15896.898175][ T7704] ip6_route_add+0x1c/0x140 [15896.898175][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15896.898175][ T7704] addrconf_add_dev+0xe2/0x170 [15896.898175][ T7704] inet6_addr_add+0x12f/0xa40 [15896.898175][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15896.898175][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15896.898175][ T7704] netlink_rcv_skb+0x130/0x360 [15896.898175][ T7704] netlink_unicast+0x449/0x710 [15896.898175][ T7704] netlink_sendmsg+0x723/0xbe0 [15896.898175][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15896.898175][ T7704] ___sys_sendmsg+0xee/0x170 [15896.898175][ T7704] __sys_sendmsg+0xcd/0x170 [15896.898175][ T7704] do_syscall_64+0xc6/0x1e0 [15896.898175][ T7704] [15896.900411][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15896.900411][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15896.900411][ T7704] ipv6_find_idev+0x102/0x170 [15896.900411][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15896.900411][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15896.900411][ T7704] netlink_rcv_skb+0x130/0x360 [15896.900411][ T7704] netlink_unicast+0x449/0x710 [15896.900411][ T7704] netlink_sendmsg+0x723/0xbe0 [15896.900411][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15896.900411][ T7704] ___sys_sendmsg+0xee/0x170 [15896.900411][ T7704] __sys_sendmsg+0xcd/0x170 [15896.900411][ T7704] do_syscall_64+0xc6/0x1e0 [15896.900411][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15896.900411][ T7704] [15896.902119][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15896.902119][ T7704] neigh_parms_alloc+0x1e5/0x510 [15896.902119][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15896.902119][ T7704] ipv6_find_idev+0x102/0x170 [15896.902119][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15896.902119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15896.902119][ T7704] netlink_rcv_skb+0x130/0x360 [15896.902119][ T7704] netlink_unicast+0x449/0x710 [15896.902119][ T7704] netlink_sendmsg+0x723/0xbe0 [15896.902119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15896.902119][ T7704] ___sys_sendmsg+0xee/0x170 [15896.902119][ T7704] __sys_sendmsg+0xcd/0x170 [15896.902119][ T7704] do_syscall_64+0xc6/0x1e0 [15896.902119][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15896.902119][ T7704] [15907.140893][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15907.141879][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15907.141879][ T7704] netdev_get_by_index+0x5e/0x80 [15907.141879][ T7704] fib6_nh_init+0x3d8/0x15b0 [15907.141879][ T7704] ip6_route_info_create+0xf18/0x17d0 [15907.141879][ T7704] ip6_route_add+0x1c/0x140 [15907.141879][ T7704] addrconf_prefix_route+0x2a6/0x430 [15907.141879][ T7704] inet6_addr_add+0x4f8/0xa40 [15907.141879][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15907.141879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15907.141879][ T7704] netlink_rcv_skb+0x130/0x360 [15907.141879][ T7704] netlink_unicast+0x449/0x710 [15907.141879][ T7704] netlink_sendmsg+0x723/0xbe0 [15907.141879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15907.141879][ T7704] ___sys_sendmsg+0xee/0x170 [15907.141879][ T7704] __sys_sendmsg+0xcd/0x170 [15907.141879][ T7704] do_syscall_64+0xc6/0x1e0 [15907.141879][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15907.141879][ T7704] [15907.144091][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15907.144091][ T7704] netdev_get_by_index+0x5e/0x80 [15907.144091][ T7704] fib6_nh_init+0x3d8/0x15b0 [15907.144091][ T7704] ip6_route_info_create+0xf18/0x17d0 [15907.144091][ T7704] addrconf_f6i_alloc+0x315/0x560 [15907.144091][ T7704] ipv6_add_addr+0x411/0x2000 [15907.144091][ T7704] inet6_addr_add+0x30e/0xa40 [15907.144091][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15907.144091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15907.144091][ T7704] netlink_rcv_skb+0x130/0x360 [15907.144091][ T7704] netlink_unicast+0x449/0x710 [15907.144091][ T7704] netlink_sendmsg+0x723/0xbe0 [15907.144091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15907.144091][ T7704] ___sys_sendmsg+0xee/0x170 [15907.144091][ T7704] __sys_sendmsg+0xcd/0x170 [15907.144091][ T7704] do_syscall_64+0xc6/0x1e0 [15907.144091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15907.144091][ T7704] [15907.146313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15907.146313][ T7704] netdev_get_by_index+0x5e/0x80 [15907.146313][ T7704] fib6_nh_init+0x3d8/0x15b0 [15907.146313][ T7704] ip6_route_info_create+0xf18/0x17d0 [15907.146313][ T7704] ip6_route_add+0x1c/0x140 [15907.146313][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15907.146313][ T7704] addrconf_add_dev+0xe2/0x170 [15907.146313][ T7704] inet6_addr_add+0x12f/0xa40 [15907.146313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15907.146313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15907.146313][ T7704] netlink_rcv_skb+0x130/0x360 [15907.146313][ T7704] netlink_unicast+0x449/0x710 [15907.146313][ T7704] netlink_sendmsg+0x723/0xbe0 [15907.146313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15907.146313][ T7704] ___sys_sendmsg+0xee/0x170 [15907.146313][ T7704] __sys_sendmsg+0xcd/0x170 [15907.146313][ T7704] do_syscall_64+0xc6/0x1e0 [15907.146313][ T7704] [15907.149082][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15907.149082][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15907.149082][ T7704] ipv6_find_idev+0x102/0x170 [15907.149082][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15907.149082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15907.149082][ T7704] netlink_rcv_skb+0x130/0x360 [15907.149082][ T7704] netlink_unicast+0x449/0x710 [15907.149082][ T7704] netlink_sendmsg+0x723/0xbe0 [15907.149082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15907.149082][ T7704] ___sys_sendmsg+0xee/0x170 [15907.149082][ T7704] __sys_sendmsg+0xcd/0x170 [15907.149082][ T7704] do_syscall_64+0xc6/0x1e0 [15907.149082][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15907.149082][ T7704] [15907.150760][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15907.150760][ T7704] neigh_parms_alloc+0x1e5/0x510 [15907.150760][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15907.150760][ T7704] ipv6_find_idev+0x102/0x170 [15907.150760][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15907.150760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15907.150760][ T7704] netlink_rcv_skb+0x130/0x360 [15907.150760][ T7704] netlink_unicast+0x449/0x710 [15907.150760][ T7704] netlink_sendmsg+0x723/0xbe0 [15907.150760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15907.150760][ T7704] ___sys_sendmsg+0xee/0x170 [15907.150760][ T7704] __sys_sendmsg+0xcd/0x170 [15907.150760][ T7704] do_syscall_64+0xc6/0x1e0 [15907.150760][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15907.150760][ T7704] [15917.164818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15917.165323][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15917.165323][ T7704] netdev_get_by_index+0x5e/0x80 [15917.165323][ T7704] fib6_nh_init+0x3d8/0x15b0 [15917.165323][ T7704] ip6_route_info_create+0xf18/0x17d0 [15917.165323][ T7704] ip6_route_add+0x1c/0x140 [15917.165323][ T7704] addrconf_prefix_route+0x2a6/0x430 [15917.165323][ T7704] inet6_addr_add+0x4f8/0xa40 [15917.165323][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15917.165323][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15917.165323][ T7704] netlink_rcv_skb+0x130/0x360 [15917.165323][ T7704] netlink_unicast+0x449/0x710 [15917.165323][ T7704] netlink_sendmsg+0x723/0xbe0 [15917.165323][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15917.165323][ T7704] ___sys_sendmsg+0xee/0x170 [15917.165323][ T7704] __sys_sendmsg+0xcd/0x170 [15917.165323][ T7704] do_syscall_64+0xc6/0x1e0 [15917.165323][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15917.165323][ T7704] [15917.167602][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15917.167602][ T7704] netdev_get_by_index+0x5e/0x80 [15917.167602][ T7704] fib6_nh_init+0x3d8/0x15b0 [15917.167602][ T7704] ip6_route_info_create+0xf18/0x17d0 [15917.167602][ T7704] addrconf_f6i_alloc+0x315/0x560 [15917.167602][ T7704] ipv6_add_addr+0x411/0x2000 [15917.167602][ T7704] inet6_addr_add+0x30e/0xa40 [15917.167602][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15917.167602][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15917.167602][ T7704] netlink_rcv_skb+0x130/0x360 [15917.167602][ T7704] netlink_unicast+0x449/0x710 [15917.167602][ T7704] netlink_sendmsg+0x723/0xbe0 [15917.167602][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15917.167602][ T7704] ___sys_sendmsg+0xee/0x170 [15917.167602][ T7704] __sys_sendmsg+0xcd/0x170 [15917.167602][ T7704] do_syscall_64+0xc6/0x1e0 [15917.167602][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15917.167602][ T7704] [15917.169779][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15917.169779][ T7704] netdev_get_by_index+0x5e/0x80 [15917.169779][ T7704] fib6_nh_init+0x3d8/0x15b0 [15917.169779][ T7704] ip6_route_info_create+0xf18/0x17d0 [15917.169779][ T7704] ip6_route_add+0x1c/0x140 [15917.169779][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15917.169779][ T7704] addrconf_add_dev+0xe2/0x170 [15917.169779][ T7704] inet6_addr_add+0x12f/0xa40 [15917.169779][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15917.169779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15917.169779][ T7704] netlink_rcv_skb+0x130/0x360 [15917.169779][ T7704] netlink_unicast+0x449/0x710 [15917.169779][ T7704] netlink_sendmsg+0x723/0xbe0 [15917.169779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15917.169779][ T7704] ___sys_sendmsg+0xee/0x170 [15917.169779][ T7704] __sys_sendmsg+0xcd/0x170 [15917.169779][ T7704] do_syscall_64+0xc6/0x1e0 [15917.169779][ T7704] [15917.171965][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15917.171965][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15917.171965][ T7704] ipv6_find_idev+0x102/0x170 [15917.171965][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15917.171965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15917.171965][ T7704] netlink_rcv_skb+0x130/0x360 [15917.171965][ T7704] netlink_unicast+0x449/0x710 [15917.171965][ T7704] netlink_sendmsg+0x723/0xbe0 [15917.171965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15917.171965][ T7704] ___sys_sendmsg+0xee/0x170 [15917.171965][ T7704] __sys_sendmsg+0xcd/0x170 [15917.171965][ T7704] do_syscall_64+0xc6/0x1e0 [15917.171965][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15917.171965][ T7704] [15917.173660][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15917.173660][ T7704] neigh_parms_alloc+0x1e5/0x510 [15917.173660][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15917.173660][ T7704] ipv6_find_idev+0x102/0x170 [15917.173660][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15917.173660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15917.173660][ T7704] netlink_rcv_skb+0x130/0x360 [15917.173660][ T7704] netlink_unicast+0x449/0x710 [15917.173660][ T7704] netlink_sendmsg+0x723/0xbe0 [15917.173660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15917.173660][ T7704] ___sys_sendmsg+0xee/0x170 [15917.173660][ T7704] __sys_sendmsg+0xcd/0x170 [15917.173660][ T7704] do_syscall_64+0xc6/0x1e0 [15917.173660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15917.173660][ T7704] [15927.428881][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15927.429718][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15927.429718][ T7704] netdev_get_by_index+0x5e/0x80 [15927.429718][ T7704] fib6_nh_init+0x3d8/0x15b0 [15927.429718][ T7704] ip6_route_info_create+0xf18/0x17d0 [15927.429718][ T7704] ip6_route_add+0x1c/0x140 [15927.429718][ T7704] addrconf_prefix_route+0x2a6/0x430 [15927.429718][ T7704] inet6_addr_add+0x4f8/0xa40 [15927.429718][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15927.429718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15927.429718][ T7704] netlink_rcv_skb+0x130/0x360 [15927.429718][ T7704] netlink_unicast+0x449/0x710 [15927.429718][ T7704] netlink_sendmsg+0x723/0xbe0 [15927.429718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15927.429718][ T7704] ___sys_sendmsg+0xee/0x170 [15927.429718][ T7704] __sys_sendmsg+0xcd/0x170 [15927.429718][ T7704] do_syscall_64+0xc6/0x1e0 [15927.429718][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15927.429718][ T7704] [15927.431896][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15927.431896][ T7704] netdev_get_by_index+0x5e/0x80 [15927.431896][ T7704] fib6_nh_init+0x3d8/0x15b0 [15927.431896][ T7704] ip6_route_info_create+0xf18/0x17d0 [15927.431896][ T7704] addrconf_f6i_alloc+0x315/0x560 [15927.431896][ T7704] ipv6_add_addr+0x411/0x2000 [15927.431896][ T7704] inet6_addr_add+0x30e/0xa40 [15927.431896][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15927.431896][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15927.431896][ T7704] netlink_rcv_skb+0x130/0x360 [15927.431896][ T7704] netlink_unicast+0x449/0x710 [15927.431896][ T7704] netlink_sendmsg+0x723/0xbe0 [15927.431896][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15927.431896][ T7704] ___sys_sendmsg+0xee/0x170 [15927.431896][ T7704] __sys_sendmsg+0xcd/0x170 [15927.431896][ T7704] do_syscall_64+0xc6/0x1e0 [15927.431896][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15927.431896][ T7704] [15927.433976][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15927.433976][ T7704] netdev_get_by_index+0x5e/0x80 [15927.433976][ T7704] fib6_nh_init+0x3d8/0x15b0 [15927.433976][ T7704] ip6_route_info_create+0xf18/0x17d0 [15927.433976][ T7704] ip6_route_add+0x1c/0x140 [15927.433976][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15927.433976][ T7704] addrconf_add_dev+0xe2/0x170 [15927.433976][ T7704] inet6_addr_add+0x12f/0xa40 [15927.433976][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15927.433976][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15927.433976][ T7704] netlink_rcv_skb+0x130/0x360 [15927.433976][ T7704] netlink_unicast+0x449/0x710 [15927.433976][ T7704] netlink_sendmsg+0x723/0xbe0 [15927.433976][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15927.433976][ T7704] ___sys_sendmsg+0xee/0x170 [15927.433976][ T7704] __sys_sendmsg+0xcd/0x170 [15927.433976][ T7704] do_syscall_64+0xc6/0x1e0 [15927.433976][ T7704] [15927.436114][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15927.436114][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15927.436114][ T7704] ipv6_find_idev+0x102/0x170 [15927.436114][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15927.436114][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15927.436114][ T7704] netlink_rcv_skb+0x130/0x360 [15927.436114][ T7704] netlink_unicast+0x449/0x710 [15927.436114][ T7704] netlink_sendmsg+0x723/0xbe0 [15927.436114][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15927.436114][ T7704] ___sys_sendmsg+0xee/0x170 [15927.436114][ T7704] __sys_sendmsg+0xcd/0x170 [15927.436114][ T7704] do_syscall_64+0xc6/0x1e0 [15927.436114][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15927.436114][ T7704] [15927.437746][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15927.437746][ T7704] neigh_parms_alloc+0x1e5/0x510 [15927.437746][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15927.437746][ T7704] ipv6_find_idev+0x102/0x170 [15927.437746][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15927.437746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15927.437746][ T7704] netlink_rcv_skb+0x130/0x360 [15927.437746][ T7704] netlink_unicast+0x449/0x710 [15927.437746][ T7704] netlink_sendmsg+0x723/0xbe0 [15927.437746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15927.437746][ T7704] ___sys_sendmsg+0xee/0x170 [15927.437746][ T7704] __sys_sendmsg+0xcd/0x170 [15927.437746][ T7704] do_syscall_64+0xc6/0x1e0 [15927.437746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15927.437746][ T7704] [15937.676778][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15937.677461][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15937.677461][ T7704] netdev_get_by_index+0x5e/0x80 [15937.677461][ T7704] fib6_nh_init+0x3d8/0x15b0 [15937.677461][ T7704] ip6_route_info_create+0xf18/0x17d0 [15937.677461][ T7704] ip6_route_add+0x1c/0x140 [15937.677461][ T7704] addrconf_prefix_route+0x2a6/0x430 [15937.677461][ T7704] inet6_addr_add+0x4f8/0xa40 [15937.677461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15937.677461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15937.677461][ T7704] netlink_rcv_skb+0x130/0x360 [15937.677461][ T7704] netlink_unicast+0x449/0x710 [15937.677461][ T7704] netlink_sendmsg+0x723/0xbe0 [15937.677461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15937.677461][ T7704] ___sys_sendmsg+0xee/0x170 [15937.677461][ T7704] __sys_sendmsg+0xcd/0x170 [15937.677461][ T7704] do_syscall_64+0xc6/0x1e0 [15937.677461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15937.677461][ T7704] [15937.679993][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15937.679993][ T7704] netdev_get_by_index+0x5e/0x80 [15937.679993][ T7704] fib6_nh_init+0x3d8/0x15b0 [15937.679993][ T7704] ip6_route_info_create+0xf18/0x17d0 [15937.679993][ T7704] addrconf_f6i_alloc+0x315/0x560 [15937.679993][ T7704] ipv6_add_addr+0x411/0x2000 [15937.679993][ T7704] inet6_addr_add+0x30e/0xa40 [15937.679993][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15937.679993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15937.679993][ T7704] netlink_rcv_skb+0x130/0x360 [15937.679993][ T7704] netlink_unicast+0x449/0x710 [15937.679993][ T7704] netlink_sendmsg+0x723/0xbe0 [15937.679993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15937.679993][ T7704] ___sys_sendmsg+0xee/0x170 [15937.679993][ T7704] __sys_sendmsg+0xcd/0x170 [15937.679993][ T7704] do_syscall_64+0xc6/0x1e0 [15937.679993][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15937.679993][ T7704] [15937.682473][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15937.682473][ T7704] netdev_get_by_index+0x5e/0x80 [15937.682473][ T7704] fib6_nh_init+0x3d8/0x15b0 [15937.682473][ T7704] ip6_route_info_create+0xf18/0x17d0 [15937.682473][ T7704] ip6_route_add+0x1c/0x140 [15937.682473][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15937.682473][ T7704] addrconf_add_dev+0xe2/0x170 [15937.682473][ T7704] inet6_addr_add+0x12f/0xa40 [15937.682473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15937.682473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15937.682473][ T7704] netlink_rcv_skb+0x130/0x360 [15937.682473][ T7704] netlink_unicast+0x449/0x710 [15937.682473][ T7704] netlink_sendmsg+0x723/0xbe0 [15937.682473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15937.682473][ T7704] ___sys_sendmsg+0xee/0x170 [15937.682473][ T7704] __sys_sendmsg+0xcd/0x170 [15937.682473][ T7704] do_syscall_64+0xc6/0x1e0 [15937.682473][ T7704] [15937.684915][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15937.684915][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15937.684915][ T7704] ipv6_find_idev+0x102/0x170 [15937.684915][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15937.684915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15937.684915][ T7704] netlink_rcv_skb+0x130/0x360 [15937.684915][ T7704] netlink_unicast+0x449/0x710 [15937.684915][ T7704] netlink_sendmsg+0x723/0xbe0 [15937.684915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15937.684915][ T7704] ___sys_sendmsg+0xee/0x170 [15937.684915][ T7704] __sys_sendmsg+0xcd/0x170 [15937.684915][ T7704] do_syscall_64+0xc6/0x1e0 [15937.684915][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15937.684915][ T7704] [15937.686808][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15937.686808][ T7704] neigh_parms_alloc+0x1e5/0x510 [15937.686808][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15937.686808][ T7704] ipv6_find_idev+0x102/0x170 [15937.686808][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15937.686808][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15937.686808][ T7704] netlink_rcv_skb+0x130/0x360 [15937.686808][ T7704] netlink_unicast+0x449/0x710 [15937.686808][ T7704] netlink_sendmsg+0x723/0xbe0 [15937.686808][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15937.686808][ T7704] ___sys_sendmsg+0xee/0x170 [15937.686808][ T7704] __sys_sendmsg+0xcd/0x170 [15937.686808][ T7704] do_syscall_64+0xc6/0x1e0 [15937.686808][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15937.686808][ T7704] [15947.924814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15947.925447][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15947.925447][ T7704] netdev_get_by_index+0x5e/0x80 [15947.925447][ T7704] fib6_nh_init+0x3d8/0x15b0 [15947.925447][ T7704] ip6_route_info_create+0xf18/0x17d0 [15947.925447][ T7704] ip6_route_add+0x1c/0x140 [15947.925447][ T7704] addrconf_prefix_route+0x2a6/0x430 [15947.925447][ T7704] inet6_addr_add+0x4f8/0xa40 [15947.925447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15947.925447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15947.925447][ T7704] netlink_rcv_skb+0x130/0x360 [15947.925447][ T7704] netlink_unicast+0x449/0x710 [15947.925447][ T7704] netlink_sendmsg+0x723/0xbe0 [15947.925447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15947.925447][ T7704] ___sys_sendmsg+0xee/0x170 [15947.925447][ T7704] __sys_sendmsg+0xcd/0x170 [15947.925447][ T7704] do_syscall_64+0xc6/0x1e0 [15947.925447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15947.925447][ T7704] [15947.928062][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15947.928062][ T7704] netdev_get_by_index+0x5e/0x80 [15947.928062][ T7704] fib6_nh_init+0x3d8/0x15b0 [15947.928062][ T7704] ip6_route_info_create+0xf18/0x17d0 [15947.928062][ T7704] addrconf_f6i_alloc+0x315/0x560 [15947.928062][ T7704] ipv6_add_addr+0x411/0x2000 [15947.928062][ T7704] inet6_addr_add+0x30e/0xa40 [15947.928062][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15947.928062][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15947.928062][ T7704] netlink_rcv_skb+0x130/0x360 [15947.928062][ T7704] netlink_unicast+0x449/0x710 [15947.928062][ T7704] netlink_sendmsg+0x723/0xbe0 [15947.928062][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15947.928062][ T7704] ___sys_sendmsg+0xee/0x170 [15947.928062][ T7704] __sys_sendmsg+0xcd/0x170 [15947.928062][ T7704] do_syscall_64+0xc6/0x1e0 [15947.928062][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15947.928062][ T7704] [15947.930599][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15947.930599][ T7704] netdev_get_by_index+0x5e/0x80 [15947.930599][ T7704] fib6_nh_init+0x3d8/0x15b0 [15947.930599][ T7704] ip6_route_info_create+0xf18/0x17d0 [15947.930599][ T7704] ip6_route_add+0x1c/0x140 [15947.930599][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15947.930599][ T7704] addrconf_add_dev+0xe2/0x170 [15947.930599][ T7704] inet6_addr_add+0x12f/0xa40 [15947.930599][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15947.930599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15947.930599][ T7704] netlink_rcv_skb+0x130/0x360 [15947.930599][ T7704] netlink_unicast+0x449/0x710 [15947.930599][ T7704] netlink_sendmsg+0x723/0xbe0 [15947.930599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15947.930599][ T7704] ___sys_sendmsg+0xee/0x170 [15947.930599][ T7704] __sys_sendmsg+0xcd/0x170 [15947.930599][ T7704] do_syscall_64+0xc6/0x1e0 [15947.930599][ T7704] [15947.933017][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15947.933017][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15947.933017][ T7704] ipv6_find_idev+0x102/0x170 [15947.933017][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15947.933017][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15947.933017][ T7704] netlink_rcv_skb+0x130/0x360 [15947.933017][ T7704] netlink_unicast+0x449/0x710 [15947.933017][ T7704] netlink_sendmsg+0x723/0xbe0 [15947.933017][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15947.933017][ T7704] ___sys_sendmsg+0xee/0x170 [15947.933017][ T7704] __sys_sendmsg+0xcd/0x170 [15947.933017][ T7704] do_syscall_64+0xc6/0x1e0 [15947.933017][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15947.933017][ T7704] [15947.934968][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15947.934968][ T7704] neigh_parms_alloc+0x1e5/0x510 [15947.934968][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15947.934968][ T7704] ipv6_find_idev+0x102/0x170 [15947.934968][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15947.934968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15947.934968][ T7704] netlink_rcv_skb+0x130/0x360 [15947.934968][ T7704] netlink_unicast+0x449/0x710 [15947.934968][ T7704] netlink_sendmsg+0x723/0xbe0 [15947.934968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15947.934968][ T7704] ___sys_sendmsg+0xee/0x170 [15947.934968][ T7704] __sys_sendmsg+0xcd/0x170 [15947.934968][ T7704] do_syscall_64+0xc6/0x1e0 [15947.934968][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15947.934968][ T7704] [15958.172840][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15958.173468][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15958.173468][ T7704] netdev_get_by_index+0x5e/0x80 [15958.173468][ T7704] fib6_nh_init+0x3d8/0x15b0 [15958.173468][ T7704] ip6_route_info_create+0xf18/0x17d0 [15958.173468][ T7704] ip6_route_add+0x1c/0x140 [15958.173468][ T7704] addrconf_prefix_route+0x2a6/0x430 [15958.173468][ T7704] inet6_addr_add+0x4f8/0xa40 [15958.173468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15958.173468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15958.173468][ T7704] netlink_rcv_skb+0x130/0x360 [15958.173468][ T7704] netlink_unicast+0x449/0x710 [15958.173468][ T7704] netlink_sendmsg+0x723/0xbe0 [15958.173468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15958.173468][ T7704] ___sys_sendmsg+0xee/0x170 [15958.173468][ T7704] __sys_sendmsg+0xcd/0x170 [15958.173468][ T7704] do_syscall_64+0xc6/0x1e0 [15958.173468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15958.173468][ T7704] [15958.176093][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15958.176093][ T7704] netdev_get_by_index+0x5e/0x80 [15958.176093][ T7704] fib6_nh_init+0x3d8/0x15b0 [15958.176093][ T7704] ip6_route_info_create+0xf18/0x17d0 [15958.176093][ T7704] addrconf_f6i_alloc+0x315/0x560 [15958.176093][ T7704] ipv6_add_addr+0x411/0x2000 [15958.176093][ T7704] inet6_addr_add+0x30e/0xa40 [15958.176093][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15958.176093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15958.176093][ T7704] netlink_rcv_skb+0x130/0x360 [15958.176093][ T7704] netlink_unicast+0x449/0x710 [15958.176093][ T7704] netlink_sendmsg+0x723/0xbe0 [15958.176093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15958.176093][ T7704] ___sys_sendmsg+0xee/0x170 [15958.176093][ T7704] __sys_sendmsg+0xcd/0x170 [15958.176093][ T7704] do_syscall_64+0xc6/0x1e0 [15958.176093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15958.176093][ T7704] [15958.178612][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15958.178612][ T7704] netdev_get_by_index+0x5e/0x80 [15958.178612][ T7704] fib6_nh_init+0x3d8/0x15b0 [15958.178612][ T7704] ip6_route_info_create+0xf18/0x17d0 [15958.178612][ T7704] ip6_route_add+0x1c/0x140 [15958.178612][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15958.178612][ T7704] addrconf_add_dev+0xe2/0x170 [15958.178612][ T7704] inet6_addr_add+0x12f/0xa40 [15958.178612][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15958.178612][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15958.178612][ T7704] netlink_rcv_skb+0x130/0x360 [15958.178612][ T7704] netlink_unicast+0x449/0x710 [15958.178612][ T7704] netlink_sendmsg+0x723/0xbe0 [15958.178612][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15958.178612][ T7704] ___sys_sendmsg+0xee/0x170 [15958.178612][ T7704] __sys_sendmsg+0xcd/0x170 [15958.178612][ T7704] do_syscall_64+0xc6/0x1e0 [15958.178612][ T7704] [15958.181053][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15958.181053][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15958.181053][ T7704] ipv6_find_idev+0x102/0x170 [15958.181053][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15958.181053][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15958.181053][ T7704] netlink_rcv_skb+0x130/0x360 [15958.181053][ T7704] netlink_unicast+0x449/0x710 [15958.181053][ T7704] netlink_sendmsg+0x723/0xbe0 [15958.181053][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15958.181053][ T7704] ___sys_sendmsg+0xee/0x170 [15958.181053][ T7704] __sys_sendmsg+0xcd/0x170 [15958.181053][ T7704] do_syscall_64+0xc6/0x1e0 [15958.181053][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15958.181053][ T7704] [15958.182939][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15958.182939][ T7704] neigh_parms_alloc+0x1e5/0x510 [15958.182939][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15958.182939][ T7704] ipv6_find_idev+0x102/0x170 [15958.182939][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15958.182939][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15958.182939][ T7704] netlink_rcv_skb+0x130/0x360 [15958.182939][ T7704] netlink_unicast+0x449/0x710 [15958.182939][ T7704] netlink_sendmsg+0x723/0xbe0 [15958.182939][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15958.182939][ T7704] ___sys_sendmsg+0xee/0x170 [15958.182939][ T7704] __sys_sendmsg+0xcd/0x170 [15958.182939][ T7704] do_syscall_64+0xc6/0x1e0 [15958.182939][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15958.182939][ T7704] [15968.420884][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15968.421604][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15968.421604][ T7704] netdev_get_by_index+0x5e/0x80 [15968.421604][ T7704] fib6_nh_init+0x3d8/0x15b0 [15968.421604][ T7704] ip6_route_info_create+0xf18/0x17d0 [15968.421604][ T7704] ip6_route_add+0x1c/0x140 [15968.421604][ T7704] addrconf_prefix_route+0x2a6/0x430 [15968.421604][ T7704] inet6_addr_add+0x4f8/0xa40 [15968.421604][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15968.421604][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15968.421604][ T7704] netlink_rcv_skb+0x130/0x360 [15968.421604][ T7704] netlink_unicast+0x449/0x710 [15968.421604][ T7704] netlink_sendmsg+0x723/0xbe0 [15968.421604][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15968.421604][ T7704] ___sys_sendmsg+0xee/0x170 [15968.421604][ T7704] __sys_sendmsg+0xcd/0x170 [15968.421604][ T7704] do_syscall_64+0xc6/0x1e0 [15968.421604][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15968.421604][ T7704] [15968.424411][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15968.424411][ T7704] netdev_get_by_index+0x5e/0x80 [15968.424411][ T7704] fib6_nh_init+0x3d8/0x15b0 [15968.424411][ T7704] ip6_route_info_create+0xf18/0x17d0 [15968.424411][ T7704] addrconf_f6i_alloc+0x315/0x560 [15968.424411][ T7704] ipv6_add_addr+0x411/0x2000 [15968.424411][ T7704] inet6_addr_add+0x30e/0xa40 [15968.424411][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15968.424411][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15968.424411][ T7704] netlink_rcv_skb+0x130/0x360 [15968.424411][ T7704] netlink_unicast+0x449/0x710 [15968.424411][ T7704] netlink_sendmsg+0x723/0xbe0 [15968.424411][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15968.424411][ T7704] ___sys_sendmsg+0xee/0x170 [15968.424411][ T7704] __sys_sendmsg+0xcd/0x170 [15968.424411][ T7704] do_syscall_64+0xc6/0x1e0 [15968.424411][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15968.424411][ T7704] [15968.426878][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15968.426878][ T7704] netdev_get_by_index+0x5e/0x80 [15968.426878][ T7704] fib6_nh_init+0x3d8/0x15b0 [15968.426878][ T7704] ip6_route_info_create+0xf18/0x17d0 [15968.426878][ T7704] ip6_route_add+0x1c/0x140 [15968.426878][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15968.426878][ T7704] addrconf_add_dev+0xe2/0x170 [15968.426878][ T7704] inet6_addr_add+0x12f/0xa40 [15968.426878][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15968.426878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15968.426878][ T7704] netlink_rcv_skb+0x130/0x360 [15968.426878][ T7704] netlink_unicast+0x449/0x710 [15968.426878][ T7704] netlink_sendmsg+0x723/0xbe0 [15968.426878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15968.426878][ T7704] ___sys_sendmsg+0xee/0x170 [15968.426878][ T7704] __sys_sendmsg+0xcd/0x170 [15968.426878][ T7704] do_syscall_64+0xc6/0x1e0 [15968.426878][ T7704] [15968.429446][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15968.429446][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15968.429446][ T7704] ipv6_find_idev+0x102/0x170 [15968.429446][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15968.429446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15968.429446][ T7704] netlink_rcv_skb+0x130/0x360 [15968.429446][ T7704] netlink_unicast+0x449/0x710 [15968.429446][ T7704] netlink_sendmsg+0x723/0xbe0 [15968.429446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15968.429446][ T7704] ___sys_sendmsg+0xee/0x170 [15968.429446][ T7704] __sys_sendmsg+0xcd/0x170 [15968.429446][ T7704] do_syscall_64+0xc6/0x1e0 [15968.429446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15968.429446][ T7704] [15968.431385][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15968.431385][ T7704] neigh_parms_alloc+0x1e5/0x510 [15968.431385][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15968.431385][ T7704] ipv6_find_idev+0x102/0x170 [15968.431385][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15968.431385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15968.431385][ T7704] netlink_rcv_skb+0x130/0x360 [15968.431385][ T7704] netlink_unicast+0x449/0x710 [15968.431385][ T7704] netlink_sendmsg+0x723/0xbe0 [15968.431385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15968.431385][ T7704] ___sys_sendmsg+0xee/0x170 [15968.431385][ T7704] __sys_sendmsg+0xcd/0x170 [15968.431385][ T7704] do_syscall_64+0xc6/0x1e0 [15968.431385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15968.431385][ T7704] [15978.588899][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15978.589760][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15978.589760][ T7704] netdev_get_by_index+0x5e/0x80 [15978.589760][ T7704] fib6_nh_init+0x3d8/0x15b0 [15978.589760][ T7704] ip6_route_info_create+0xf18/0x17d0 [15978.589760][ T7704] ip6_route_add+0x1c/0x140 [15978.589760][ T7704] addrconf_prefix_route+0x2a6/0x430 [15978.589760][ T7704] inet6_addr_add+0x4f8/0xa40 [15978.589760][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15978.589760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15978.589760][ T7704] netlink_rcv_skb+0x130/0x360 [15978.589760][ T7704] netlink_unicast+0x449/0x710 [15978.589760][ T7704] netlink_sendmsg+0x723/0xbe0 [15978.589760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15978.589760][ T7704] ___sys_sendmsg+0xee/0x170 [15978.589760][ T7704] __sys_sendmsg+0xcd/0x170 [15978.589760][ T7704] do_syscall_64+0xc6/0x1e0 [15978.589760][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15978.589760][ T7704] [15978.591917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15978.591917][ T7704] netdev_get_by_index+0x5e/0x80 [15978.591917][ T7704] fib6_nh_init+0x3d8/0x15b0 [15978.591917][ T7704] ip6_route_info_create+0xf18/0x17d0 [15978.591917][ T7704] addrconf_f6i_alloc+0x315/0x560 [15978.591917][ T7704] ipv6_add_addr+0x411/0x2000 [15978.591917][ T7704] inet6_addr_add+0x30e/0xa40 [15978.591917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15978.591917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15978.591917][ T7704] netlink_rcv_skb+0x130/0x360 [15978.591917][ T7704] netlink_unicast+0x449/0x710 [15978.591917][ T7704] netlink_sendmsg+0x723/0xbe0 [15978.591917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15978.591917][ T7704] ___sys_sendmsg+0xee/0x170 [15978.591917][ T7704] __sys_sendmsg+0xcd/0x170 [15978.591917][ T7704] do_syscall_64+0xc6/0x1e0 [15978.591917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15978.591917][ T7704] [15978.594195][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15978.594195][ T7704] netdev_get_by_index+0x5e/0x80 [15978.594195][ T7704] fib6_nh_init+0x3d8/0x15b0 [15978.594195][ T7704] ip6_route_info_create+0xf18/0x17d0 [15978.594195][ T7704] ip6_route_add+0x1c/0x140 [15978.594195][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15978.594195][ T7704] addrconf_add_dev+0xe2/0x170 [15978.594195][ T7704] inet6_addr_add+0x12f/0xa40 [15978.594195][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15978.594195][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15978.594195][ T7704] netlink_rcv_skb+0x130/0x360 [15978.594195][ T7704] netlink_unicast+0x449/0x710 [15978.594195][ T7704] netlink_sendmsg+0x723/0xbe0 [15978.594195][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15978.594195][ T7704] ___sys_sendmsg+0xee/0x170 [15978.594195][ T7704] __sys_sendmsg+0xcd/0x170 [15978.594195][ T7704] do_syscall_64+0xc6/0x1e0 [15978.594195][ T7704] [15978.596255][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15978.596255][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15978.596255][ T7704] ipv6_find_idev+0x102/0x170 [15978.596255][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15978.596255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15978.596255][ T7704] netlink_rcv_skb+0x130/0x360 [15978.596255][ T7704] netlink_unicast+0x449/0x710 [15978.596255][ T7704] netlink_sendmsg+0x723/0xbe0 [15978.596255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15978.596255][ T7704] ___sys_sendmsg+0xee/0x170 [15978.596255][ T7704] __sys_sendmsg+0xcd/0x170 [15978.596255][ T7704] do_syscall_64+0xc6/0x1e0 [15978.596255][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15978.596255][ T7704] [15978.598087][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15978.598087][ T7704] neigh_parms_alloc+0x1e5/0x510 [15978.598087][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15978.598087][ T7704] ipv6_find_idev+0x102/0x170 [15978.598087][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15978.598087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15978.598087][ T7704] netlink_rcv_skb+0x130/0x360 [15978.598087][ T7704] netlink_unicast+0x449/0x710 [15978.598087][ T7704] netlink_sendmsg+0x723/0xbe0 [15978.598087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15978.598087][ T7704] ___sys_sendmsg+0xee/0x170 [15978.598087][ T7704] __sys_sendmsg+0xcd/0x170 [15978.598087][ T7704] do_syscall_64+0xc6/0x1e0 [15978.598087][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15978.598087][ T7704] [15988.780808][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15988.781328][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15988.781328][ T7704] netdev_get_by_index+0x5e/0x80 [15988.781328][ T7704] fib6_nh_init+0x3d8/0x15b0 [15988.781328][ T7704] ip6_route_info_create+0xf18/0x17d0 [15988.781328][ T7704] ip6_route_add+0x1c/0x140 [15988.781328][ T7704] addrconf_prefix_route+0x2a6/0x430 [15988.781328][ T7704] inet6_addr_add+0x4f8/0xa40 [15988.781328][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15988.781328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15988.781328][ T7704] netlink_rcv_skb+0x130/0x360 [15988.781328][ T7704] netlink_unicast+0x449/0x710 [15988.781328][ T7704] netlink_sendmsg+0x723/0xbe0 [15988.781328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15988.781328][ T7704] ___sys_sendmsg+0xee/0x170 [15988.781328][ T7704] __sys_sendmsg+0xcd/0x170 [15988.781328][ T7704] do_syscall_64+0xc6/0x1e0 [15988.781328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15988.781328][ T7704] [15988.783504][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15988.783504][ T7704] netdev_get_by_index+0x5e/0x80 [15988.783504][ T7704] fib6_nh_init+0x3d8/0x15b0 [15988.783504][ T7704] ip6_route_info_create+0xf18/0x17d0 [15988.783504][ T7704] addrconf_f6i_alloc+0x315/0x560 [15988.783504][ T7704] ipv6_add_addr+0x411/0x2000 [15988.783504][ T7704] inet6_addr_add+0x30e/0xa40 [15988.783504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15988.783504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15988.783504][ T7704] netlink_rcv_skb+0x130/0x360 [15988.783504][ T7704] netlink_unicast+0x449/0x710 [15988.783504][ T7704] netlink_sendmsg+0x723/0xbe0 [15988.783504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15988.783504][ T7704] ___sys_sendmsg+0xee/0x170 [15988.783504][ T7704] __sys_sendmsg+0xcd/0x170 [15988.783504][ T7704] do_syscall_64+0xc6/0x1e0 [15988.783504][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15988.783504][ T7704] [15988.785598][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15988.785598][ T7704] netdev_get_by_index+0x5e/0x80 [15988.785598][ T7704] fib6_nh_init+0x3d8/0x15b0 [15988.785598][ T7704] ip6_route_info_create+0xf18/0x17d0 [15988.785598][ T7704] ip6_route_add+0x1c/0x140 [15988.785598][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15988.785598][ T7704] addrconf_add_dev+0xe2/0x170 [15988.785598][ T7704] inet6_addr_add+0x12f/0xa40 [15988.785598][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15988.785598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15988.785598][ T7704] netlink_rcv_skb+0x130/0x360 [15988.785598][ T7704] netlink_unicast+0x449/0x710 [15988.785598][ T7704] netlink_sendmsg+0x723/0xbe0 [15988.785598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15988.785598][ T7704] ___sys_sendmsg+0xee/0x170 [15988.785598][ T7704] __sys_sendmsg+0xcd/0x170 [15988.785598][ T7704] do_syscall_64+0xc6/0x1e0 [15988.785598][ T7704] [15988.787827][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15988.787827][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15988.787827][ T7704] ipv6_find_idev+0x102/0x170 [15988.787827][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15988.787827][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15988.787827][ T7704] netlink_rcv_skb+0x130/0x360 [15988.787827][ T7704] netlink_unicast+0x449/0x710 [15988.787827][ T7704] netlink_sendmsg+0x723/0xbe0 [15988.787827][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15988.787827][ T7704] ___sys_sendmsg+0xee/0x170 [15988.787827][ T7704] __sys_sendmsg+0xcd/0x170 [15988.787827][ T7704] do_syscall_64+0xc6/0x1e0 [15988.787827][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15988.787827][ T7704] [15988.789543][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15988.789543][ T7704] neigh_parms_alloc+0x1e5/0x510 [15988.789543][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15988.789543][ T7704] ipv6_find_idev+0x102/0x170 [15988.789543][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15988.789543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15988.789543][ T7704] netlink_rcv_skb+0x130/0x360 [15988.789543][ T7704] netlink_unicast+0x449/0x710 [15988.789543][ T7704] netlink_sendmsg+0x723/0xbe0 [15988.789543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15988.789543][ T7704] ___sys_sendmsg+0xee/0x170 [15988.789543][ T7704] __sys_sendmsg+0xcd/0x170 [15988.789543][ T7704] do_syscall_64+0xc6/0x1e0 [15988.789543][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15988.789543][ T7704] [15999.004891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [15999.005513][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15999.005513][ T7704] netdev_get_by_index+0x5e/0x80 [15999.005513][ T7704] fib6_nh_init+0x3d8/0x15b0 [15999.005513][ T7704] ip6_route_info_create+0xf18/0x17d0 [15999.005513][ T7704] ip6_route_add+0x1c/0x140 [15999.005513][ T7704] addrconf_prefix_route+0x2a6/0x430 [15999.005513][ T7704] inet6_addr_add+0x4f8/0xa40 [15999.005513][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15999.005513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15999.005513][ T7704] netlink_rcv_skb+0x130/0x360 [15999.005513][ T7704] netlink_unicast+0x449/0x710 [15999.005513][ T7704] netlink_sendmsg+0x723/0xbe0 [15999.005513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15999.005513][ T7704] ___sys_sendmsg+0xee/0x170 [15999.005513][ T7704] __sys_sendmsg+0xcd/0x170 [15999.005513][ T7704] do_syscall_64+0xc6/0x1e0 [15999.005513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15999.005513][ T7704] [15999.007764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15999.007764][ T7704] netdev_get_by_index+0x5e/0x80 [15999.007764][ T7704] fib6_nh_init+0x3d8/0x15b0 [15999.007764][ T7704] ip6_route_info_create+0xf18/0x17d0 [15999.007764][ T7704] addrconf_f6i_alloc+0x315/0x560 [15999.007764][ T7704] ipv6_add_addr+0x411/0x2000 [15999.007764][ T7704] inet6_addr_add+0x30e/0xa40 [15999.007764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15999.007764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15999.007764][ T7704] netlink_rcv_skb+0x130/0x360 [15999.007764][ T7704] netlink_unicast+0x449/0x710 [15999.007764][ T7704] netlink_sendmsg+0x723/0xbe0 [15999.007764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15999.007764][ T7704] ___sys_sendmsg+0xee/0x170 [15999.007764][ T7704] __sys_sendmsg+0xcd/0x170 [15999.007764][ T7704] do_syscall_64+0xc6/0x1e0 [15999.007764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15999.007764][ T7704] [15999.009969][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15999.009969][ T7704] netdev_get_by_index+0x5e/0x80 [15999.009969][ T7704] fib6_nh_init+0x3d8/0x15b0 [15999.009969][ T7704] ip6_route_info_create+0xf18/0x17d0 [15999.009969][ T7704] ip6_route_add+0x1c/0x140 [15999.009969][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [15999.009969][ T7704] addrconf_add_dev+0xe2/0x170 [15999.009969][ T7704] inet6_addr_add+0x12f/0xa40 [15999.009969][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [15999.009969][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15999.009969][ T7704] netlink_rcv_skb+0x130/0x360 [15999.009969][ T7704] netlink_unicast+0x449/0x710 [15999.009969][ T7704] netlink_sendmsg+0x723/0xbe0 [15999.009969][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15999.009969][ T7704] ___sys_sendmsg+0xee/0x170 [15999.009969][ T7704] __sys_sendmsg+0xcd/0x170 [15999.009969][ T7704] do_syscall_64+0xc6/0x1e0 [15999.009969][ T7704] [15999.012180][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15999.012180][ T7704] ipv6_add_dev+0x3b9/0x11c0 [15999.012180][ T7704] ipv6_find_idev+0x102/0x170 [15999.012180][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15999.012180][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15999.012180][ T7704] netlink_rcv_skb+0x130/0x360 [15999.012180][ T7704] netlink_unicast+0x449/0x710 [15999.012180][ T7704] netlink_sendmsg+0x723/0xbe0 [15999.012180][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15999.012180][ T7704] ___sys_sendmsg+0xee/0x170 [15999.012180][ T7704] __sys_sendmsg+0xcd/0x170 [15999.012180][ T7704] do_syscall_64+0xc6/0x1e0 [15999.012180][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15999.012180][ T7704] [15999.013801][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [15999.013801][ T7704] neigh_parms_alloc+0x1e5/0x510 [15999.013801][ T7704] ipv6_add_dev+0x2fd/0x11c0 [15999.013801][ T7704] ipv6_find_idev+0x102/0x170 [15999.013801][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [15999.013801][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [15999.013801][ T7704] netlink_rcv_skb+0x130/0x360 [15999.013801][ T7704] netlink_unicast+0x449/0x710 [15999.013801][ T7704] netlink_sendmsg+0x723/0xbe0 [15999.013801][ T7704] ____sys_sendmsg+0x7b2/0xa10 [15999.013801][ T7704] ___sys_sendmsg+0xee/0x170 [15999.013801][ T7704] __sys_sendmsg+0xcd/0x170 [15999.013801][ T7704] do_syscall_64+0xc6/0x1e0 [15999.013801][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [15999.013801][ T7704] [16009.244889][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16009.245543][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16009.245543][ T7704] netdev_get_by_index+0x5e/0x80 [16009.245543][ T7704] fib6_nh_init+0x3d8/0x15b0 [16009.245543][ T7704] ip6_route_info_create+0xf18/0x17d0 [16009.245543][ T7704] ip6_route_add+0x1c/0x140 [16009.245543][ T7704] addrconf_prefix_route+0x2a6/0x430 [16009.245543][ T7704] inet6_addr_add+0x4f8/0xa40 [16009.245543][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16009.245543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16009.245543][ T7704] netlink_rcv_skb+0x130/0x360 [16009.245543][ T7704] netlink_unicast+0x449/0x710 [16009.245543][ T7704] netlink_sendmsg+0x723/0xbe0 [16009.245543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16009.245543][ T7704] ___sys_sendmsg+0xee/0x170 [16009.245543][ T7704] __sys_sendmsg+0xcd/0x170 [16009.245543][ T7704] do_syscall_64+0xc6/0x1e0 [16009.245543][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16009.245543][ T7704] [16009.248412][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16009.248412][ T7704] netdev_get_by_index+0x5e/0x80 [16009.248412][ T7704] fib6_nh_init+0x3d8/0x15b0 [16009.248412][ T7704] ip6_route_info_create+0xf18/0x17d0 [16009.248412][ T7704] addrconf_f6i_alloc+0x315/0x560 [16009.248412][ T7704] ipv6_add_addr+0x411/0x2000 [16009.248412][ T7704] inet6_addr_add+0x30e/0xa40 [16009.248412][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16009.248412][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16009.248412][ T7704] netlink_rcv_skb+0x130/0x360 [16009.248412][ T7704] netlink_unicast+0x449/0x710 [16009.248412][ T7704] netlink_sendmsg+0x723/0xbe0 [16009.248412][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16009.248412][ T7704] ___sys_sendmsg+0xee/0x170 [16009.248412][ T7704] __sys_sendmsg+0xcd/0x170 [16009.248412][ T7704] do_syscall_64+0xc6/0x1e0 [16009.248412][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16009.248412][ T7704] [16009.251088][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16009.251088][ T7704] netdev_get_by_index+0x5e/0x80 [16009.251088][ T7704] fib6_nh_init+0x3d8/0x15b0 [16009.251088][ T7704] ip6_route_info_create+0xf18/0x17d0 [16009.251088][ T7704] ip6_route_add+0x1c/0x140 [16009.251088][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16009.251088][ T7704] addrconf_add_dev+0xe2/0x170 [16009.251088][ T7704] inet6_addr_add+0x12f/0xa40 [16009.251088][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16009.251088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16009.251088][ T7704] netlink_rcv_skb+0x130/0x360 [16009.251088][ T7704] netlink_unicast+0x449/0x710 [16009.251088][ T7704] netlink_sendmsg+0x723/0xbe0 [16009.251088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16009.251088][ T7704] ___sys_sendmsg+0xee/0x170 [16009.251088][ T7704] __sys_sendmsg+0xcd/0x170 [16009.251088][ T7704] do_syscall_64+0xc6/0x1e0 [16009.251088][ T7704] [16009.253506][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16009.253506][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16009.253506][ T7704] ipv6_find_idev+0x102/0x170 [16009.253506][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16009.253506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16009.253506][ T7704] netlink_rcv_skb+0x130/0x360 [16009.253506][ T7704] netlink_unicast+0x449/0x710 [16009.253506][ T7704] netlink_sendmsg+0x723/0xbe0 [16009.253506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16009.253506][ T7704] ___sys_sendmsg+0xee/0x170 [16009.253506][ T7704] __sys_sendmsg+0xcd/0x170 [16009.253506][ T7704] do_syscall_64+0xc6/0x1e0 [16009.253506][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16009.253506][ T7704] [16009.255395][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16009.255395][ T7704] neigh_parms_alloc+0x1e5/0x510 [16009.255395][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16009.255395][ T7704] ipv6_find_idev+0x102/0x170 [16009.255395][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16009.255395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16009.255395][ T7704] netlink_rcv_skb+0x130/0x360 [16009.255395][ T7704] netlink_unicast+0x449/0x710 [16009.255395][ T7704] netlink_sendmsg+0x723/0xbe0 [16009.255395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16009.255395][ T7704] ___sys_sendmsg+0xee/0x170 [16009.255395][ T7704] __sys_sendmsg+0xcd/0x170 [16009.255395][ T7704] do_syscall_64+0xc6/0x1e0 [16009.255395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16009.255395][ T7704] [16019.500845][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16019.501479][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16019.501479][ T7704] netdev_get_by_index+0x5e/0x80 [16019.501479][ T7704] fib6_nh_init+0x3d8/0x15b0 [16019.501479][ T7704] ip6_route_info_create+0xf18/0x17d0 [16019.501479][ T7704] ip6_route_add+0x1c/0x140 [16019.501479][ T7704] addrconf_prefix_route+0x2a6/0x430 [16019.501479][ T7704] inet6_addr_add+0x4f8/0xa40 [16019.501479][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16019.501479][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16019.501479][ T7704] netlink_rcv_skb+0x130/0x360 [16019.501479][ T7704] netlink_unicast+0x449/0x710 [16019.501479][ T7704] netlink_sendmsg+0x723/0xbe0 [16019.501479][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16019.501479][ T7704] ___sys_sendmsg+0xee/0x170 [16019.501479][ T7704] __sys_sendmsg+0xcd/0x170 [16019.501479][ T7704] do_syscall_64+0xc6/0x1e0 [16019.501479][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16019.501479][ T7704] [16019.504794][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16019.504794][ T7704] netdev_get_by_index+0x5e/0x80 [16019.504794][ T7704] fib6_nh_init+0x3d8/0x15b0 [16019.504794][ T7704] ip6_route_info_create+0xf18/0x17d0 [16019.504794][ T7704] addrconf_f6i_alloc+0x315/0x560 [16019.504794][ T7704] ipv6_add_addr+0x411/0x2000 [16019.504794][ T7704] inet6_addr_add+0x30e/0xa40 [16019.504794][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16019.504794][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16019.504794][ T7704] netlink_rcv_skb+0x130/0x360 [16019.504794][ T7704] netlink_unicast+0x449/0x710 [16019.504794][ T7704] netlink_sendmsg+0x723/0xbe0 [16019.504794][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16019.504794][ T7704] ___sys_sendmsg+0xee/0x170 [16019.504794][ T7704] __sys_sendmsg+0xcd/0x170 [16019.504794][ T7704] do_syscall_64+0xc6/0x1e0 [16019.504794][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16019.504794][ T7704] [16019.507270][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16019.507270][ T7704] netdev_get_by_index+0x5e/0x80 [16019.507270][ T7704] fib6_nh_init+0x3d8/0x15b0 [16019.507270][ T7704] ip6_route_info_create+0xf18/0x17d0 [16019.507270][ T7704] ip6_route_add+0x1c/0x140 [16019.507270][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16019.507270][ T7704] addrconf_add_dev+0xe2/0x170 [16019.507270][ T7704] inet6_addr_add+0x12f/0xa40 [16019.507270][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16019.507270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16019.507270][ T7704] netlink_rcv_skb+0x130/0x360 [16019.507270][ T7704] netlink_unicast+0x449/0x710 [16019.507270][ T7704] netlink_sendmsg+0x723/0xbe0 [16019.507270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16019.507270][ T7704] ___sys_sendmsg+0xee/0x170 [16019.507270][ T7704] __sys_sendmsg+0xcd/0x170 [16019.507270][ T7704] do_syscall_64+0xc6/0x1e0 [16019.507270][ T7704] [16019.509688][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16019.509688][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16019.509688][ T7704] ipv6_find_idev+0x102/0x170 [16019.509688][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16019.509688][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16019.509688][ T7704] netlink_rcv_skb+0x130/0x360 [16019.509688][ T7704] netlink_unicast+0x449/0x710 [16019.509688][ T7704] netlink_sendmsg+0x723/0xbe0 [16019.509688][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16019.509688][ T7704] ___sys_sendmsg+0xee/0x170 [16019.509688][ T7704] __sys_sendmsg+0xcd/0x170 [16019.509688][ T7704] do_syscall_64+0xc6/0x1e0 [16019.509688][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16019.509688][ T7704] [16019.511575][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16019.511575][ T7704] neigh_parms_alloc+0x1e5/0x510 [16019.511575][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16019.511575][ T7704] ipv6_find_idev+0x102/0x170 [16019.511575][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16019.511575][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16019.511575][ T7704] netlink_rcv_skb+0x130/0x360 [16019.511575][ T7704] netlink_unicast+0x449/0x710 [16019.511575][ T7704] netlink_sendmsg+0x723/0xbe0 [16019.511575][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16019.511575][ T7704] ___sys_sendmsg+0xee/0x170 [16019.511575][ T7704] __sys_sendmsg+0xcd/0x170 [16019.511575][ T7704] do_syscall_64+0xc6/0x1e0 [16019.511575][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16019.511575][ T7704] [16029.748817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16029.749460][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16029.749460][ T7704] netdev_get_by_index+0x5e/0x80 [16029.749460][ T7704] fib6_nh_init+0x3d8/0x15b0 [16029.749460][ T7704] ip6_route_info_create+0xf18/0x17d0 [16029.749460][ T7704] ip6_route_add+0x1c/0x140 [16029.749460][ T7704] addrconf_prefix_route+0x2a6/0x430 [16029.749460][ T7704] inet6_addr_add+0x4f8/0xa40 [16029.749460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16029.749460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16029.749460][ T7704] netlink_rcv_skb+0x130/0x360 [16029.749460][ T7704] netlink_unicast+0x449/0x710 [16029.749460][ T7704] netlink_sendmsg+0x723/0xbe0 [16029.749460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16029.749460][ T7704] ___sys_sendmsg+0xee/0x170 [16029.749460][ T7704] __sys_sendmsg+0xcd/0x170 [16029.749460][ T7704] do_syscall_64+0xc6/0x1e0 [16029.749460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16029.749460][ T7704] [16029.751986][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16029.751986][ T7704] netdev_get_by_index+0x5e/0x80 [16029.751986][ T7704] fib6_nh_init+0x3d8/0x15b0 [16029.751986][ T7704] ip6_route_info_create+0xf18/0x17d0 [16029.751986][ T7704] addrconf_f6i_alloc+0x315/0x560 [16029.751986][ T7704] ipv6_add_addr+0x411/0x2000 [16029.751986][ T7704] inet6_addr_add+0x30e/0xa40 [16029.751986][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16029.751986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16029.751986][ T7704] netlink_rcv_skb+0x130/0x360 [16029.751986][ T7704] netlink_unicast+0x449/0x710 [16029.751986][ T7704] netlink_sendmsg+0x723/0xbe0 [16029.751986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16029.751986][ T7704] ___sys_sendmsg+0xee/0x170 [16029.751986][ T7704] __sys_sendmsg+0xcd/0x170 [16029.751986][ T7704] do_syscall_64+0xc6/0x1e0 [16029.751986][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16029.751986][ T7704] [16029.754489][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16029.754489][ T7704] netdev_get_by_index+0x5e/0x80 [16029.754489][ T7704] fib6_nh_init+0x3d8/0x15b0 [16029.754489][ T7704] ip6_route_info_create+0xf18/0x17d0 [16029.754489][ T7704] ip6_route_add+0x1c/0x140 [16029.754489][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16029.754489][ T7704] addrconf_add_dev+0xe2/0x170 [16029.754489][ T7704] inet6_addr_add+0x12f/0xa40 [16029.754489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16029.754489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16029.754489][ T7704] netlink_rcv_skb+0x130/0x360 [16029.754489][ T7704] netlink_unicast+0x449/0x710 [16029.754489][ T7704] netlink_sendmsg+0x723/0xbe0 [16029.754489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16029.754489][ T7704] ___sys_sendmsg+0xee/0x170 [16029.754489][ T7704] __sys_sendmsg+0xcd/0x170 [16029.754489][ T7704] do_syscall_64+0xc6/0x1e0 [16029.754489][ T7704] [16029.756958][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16029.756958][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16029.756958][ T7704] ipv6_find_idev+0x102/0x170 [16029.756958][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16029.756958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16029.756958][ T7704] netlink_rcv_skb+0x130/0x360 [16029.756958][ T7704] netlink_unicast+0x449/0x710 [16029.756958][ T7704] netlink_sendmsg+0x723/0xbe0 [16029.756958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16029.756958][ T7704] ___sys_sendmsg+0xee/0x170 [16029.756958][ T7704] __sys_sendmsg+0xcd/0x170 [16029.756958][ T7704] do_syscall_64+0xc6/0x1e0 [16029.756958][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16029.756958][ T7704] [16029.758854][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16029.758854][ T7704] neigh_parms_alloc+0x1e5/0x510 [16029.758854][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16029.758854][ T7704] ipv6_find_idev+0x102/0x170 [16029.758854][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16029.758854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16029.758854][ T7704] netlink_rcv_skb+0x130/0x360 [16029.758854][ T7704] netlink_unicast+0x449/0x710 [16029.758854][ T7704] netlink_sendmsg+0x723/0xbe0 [16029.758854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16029.758854][ T7704] ___sys_sendmsg+0xee/0x170 [16029.758854][ T7704] __sys_sendmsg+0xcd/0x170 [16029.758854][ T7704] do_syscall_64+0xc6/0x1e0 [16029.758854][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16029.758854][ T7704] [16039.996775][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16039.997436][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16039.997436][ T7704] netdev_get_by_index+0x5e/0x80 [16039.997436][ T7704] fib6_nh_init+0x3d8/0x15b0 [16039.997436][ T7704] ip6_route_info_create+0xf18/0x17d0 [16039.997436][ T7704] ip6_route_add+0x1c/0x140 [16039.997436][ T7704] addrconf_prefix_route+0x2a6/0x430 [16039.997436][ T7704] inet6_addr_add+0x4f8/0xa40 [16039.997436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16039.997436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16039.997436][ T7704] netlink_rcv_skb+0x130/0x360 [16039.997436][ T7704] netlink_unicast+0x449/0x710 [16039.997436][ T7704] netlink_sendmsg+0x723/0xbe0 [16039.997436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16039.997436][ T7704] ___sys_sendmsg+0xee/0x170 [16039.997436][ T7704] __sys_sendmsg+0xcd/0x170 [16039.997436][ T7704] do_syscall_64+0xc6/0x1e0 [16039.997436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16039.997436][ T7704] [16040.000110][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16040.000110][ T7704] netdev_get_by_index+0x5e/0x80 [16040.000110][ T7704] fib6_nh_init+0x3d8/0x15b0 [16040.000110][ T7704] ip6_route_info_create+0xf18/0x17d0 [16040.000110][ T7704] addrconf_f6i_alloc+0x315/0x560 [16040.000110][ T7704] ipv6_add_addr+0x411/0x2000 [16040.000110][ T7704] inet6_addr_add+0x30e/0xa40 [16040.000110][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16040.000110][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16040.000110][ T7704] netlink_rcv_skb+0x130/0x360 [16040.000110][ T7704] netlink_unicast+0x449/0x710 [16040.000110][ T7704] netlink_sendmsg+0x723/0xbe0 [16040.000110][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16040.000110][ T7704] ___sys_sendmsg+0xee/0x170 [16040.000110][ T7704] __sys_sendmsg+0xcd/0x170 [16040.000110][ T7704] do_syscall_64+0xc6/0x1e0 [16040.000110][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16040.000110][ T7704] [16040.002718][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16040.002718][ T7704] netdev_get_by_index+0x5e/0x80 [16040.002718][ T7704] fib6_nh_init+0x3d8/0x15b0 [16040.002718][ T7704] ip6_route_info_create+0xf18/0x17d0 [16040.002718][ T7704] ip6_route_add+0x1c/0x140 [16040.002718][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16040.002718][ T7704] addrconf_add_dev+0xe2/0x170 [16040.002718][ T7704] inet6_addr_add+0x12f/0xa40 [16040.002718][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16040.002718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16040.002718][ T7704] netlink_rcv_skb+0x130/0x360 [16040.002718][ T7704] netlink_unicast+0x449/0x710 [16040.002718][ T7704] netlink_sendmsg+0x723/0xbe0 [16040.002718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16040.002718][ T7704] ___sys_sendmsg+0xee/0x170 [16040.002718][ T7704] __sys_sendmsg+0xcd/0x170 [16040.002718][ T7704] do_syscall_64+0xc6/0x1e0 [16040.002718][ T7704] [16040.005268][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16040.005268][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16040.005268][ T7704] ipv6_find_idev+0x102/0x170 [16040.005268][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16040.005268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16040.005268][ T7704] netlink_rcv_skb+0x130/0x360 [16040.005268][ T7704] netlink_unicast+0x449/0x710 [16040.005268][ T7704] netlink_sendmsg+0x723/0xbe0 [16040.005268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16040.005268][ T7704] ___sys_sendmsg+0xee/0x170 [16040.005268][ T7704] __sys_sendmsg+0xcd/0x170 [16040.005268][ T7704] do_syscall_64+0xc6/0x1e0 [16040.005268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16040.005268][ T7704] [16040.007253][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16040.007253][ T7704] neigh_parms_alloc+0x1e5/0x510 [16040.007253][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16040.007253][ T7704] ipv6_find_idev+0x102/0x170 [16040.007253][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16040.007253][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16040.007253][ T7704] netlink_rcv_skb+0x130/0x360 [16040.007253][ T7704] netlink_unicast+0x449/0x710 [16040.007253][ T7704] netlink_sendmsg+0x723/0xbe0 [16040.007253][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16040.007253][ T7704] ___sys_sendmsg+0xee/0x170 [16040.007253][ T7704] __sys_sendmsg+0xcd/0x170 [16040.007253][ T7704] do_syscall_64+0xc6/0x1e0 [16040.007253][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16040.007253][ T7704] [16050.244863][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16050.245488][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16050.245488][ T7704] netdev_get_by_index+0x5e/0x80 [16050.245488][ T7704] fib6_nh_init+0x3d8/0x15b0 [16050.245488][ T7704] ip6_route_info_create+0xf18/0x17d0 [16050.245488][ T7704] ip6_route_add+0x1c/0x140 [16050.245488][ T7704] addrconf_prefix_route+0x2a6/0x430 [16050.245488][ T7704] inet6_addr_add+0x4f8/0xa40 [16050.245488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16050.245488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16050.245488][ T7704] netlink_rcv_skb+0x130/0x360 [16050.245488][ T7704] netlink_unicast+0x449/0x710 [16050.245488][ T7704] netlink_sendmsg+0x723/0xbe0 [16050.245488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16050.245488][ T7704] ___sys_sendmsg+0xee/0x170 [16050.245488][ T7704] __sys_sendmsg+0xcd/0x170 [16050.245488][ T7704] do_syscall_64+0xc6/0x1e0 [16050.245488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16050.245488][ T7704] [16050.248097][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16050.248097][ T7704] netdev_get_by_index+0x5e/0x80 [16050.248097][ T7704] fib6_nh_init+0x3d8/0x15b0 [16050.248097][ T7704] ip6_route_info_create+0xf18/0x17d0 [16050.248097][ T7704] addrconf_f6i_alloc+0x315/0x560 [16050.248097][ T7704] ipv6_add_addr+0x411/0x2000 [16050.248097][ T7704] inet6_addr_add+0x30e/0xa40 [16050.248097][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16050.248097][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16050.248097][ T7704] netlink_rcv_skb+0x130/0x360 [16050.248097][ T7704] netlink_unicast+0x449/0x710 [16050.248097][ T7704] netlink_sendmsg+0x723/0xbe0 [16050.248097][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16050.248097][ T7704] ___sys_sendmsg+0xee/0x170 [16050.248097][ T7704] __sys_sendmsg+0xcd/0x170 [16050.248097][ T7704] do_syscall_64+0xc6/0x1e0 [16050.248097][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16050.248097][ T7704] [16050.250771][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16050.250771][ T7704] netdev_get_by_index+0x5e/0x80 [16050.250771][ T7704] fib6_nh_init+0x3d8/0x15b0 [16050.250771][ T7704] ip6_route_info_create+0xf18/0x17d0 [16050.250771][ T7704] ip6_route_add+0x1c/0x140 [16050.250771][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16050.250771][ T7704] addrconf_add_dev+0xe2/0x170 [16050.250771][ T7704] inet6_addr_add+0x12f/0xa40 [16050.250771][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16050.250771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16050.250771][ T7704] netlink_rcv_skb+0x130/0x360 [16050.250771][ T7704] netlink_unicast+0x449/0x710 [16050.250771][ T7704] netlink_sendmsg+0x723/0xbe0 [16050.250771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16050.250771][ T7704] ___sys_sendmsg+0xee/0x170 [16050.250771][ T7704] __sys_sendmsg+0xcd/0x170 [16050.250771][ T7704] do_syscall_64+0xc6/0x1e0 [16050.250771][ T7704] [16050.253186][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16050.253186][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16050.253186][ T7704] ipv6_find_idev+0x102/0x170 [16050.253186][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16050.253186][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16050.253186][ T7704] netlink_rcv_skb+0x130/0x360 [16050.253186][ T7704] netlink_unicast+0x449/0x710 [16050.253186][ T7704] netlink_sendmsg+0x723/0xbe0 [16050.253186][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16050.253186][ T7704] ___sys_sendmsg+0xee/0x170 [16050.253186][ T7704] __sys_sendmsg+0xcd/0x170 [16050.253186][ T7704] do_syscall_64+0xc6/0x1e0 [16050.253186][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16050.253186][ T7704] [16050.255074][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16050.255074][ T7704] neigh_parms_alloc+0x1e5/0x510 [16050.255074][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16050.255074][ T7704] ipv6_find_idev+0x102/0x170 [16050.255074][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16050.255074][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16050.255074][ T7704] netlink_rcv_skb+0x130/0x360 [16050.255074][ T7704] netlink_unicast+0x449/0x710 [16050.255074][ T7704] netlink_sendmsg+0x723/0xbe0 [16050.255074][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16050.255074][ T7704] ___sys_sendmsg+0xee/0x170 [16050.255074][ T7704] __sys_sendmsg+0xcd/0x170 [16050.255074][ T7704] do_syscall_64+0xc6/0x1e0 [16050.255074][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16050.255074][ T7704] [16060.492865][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16060.493768][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16060.493768][ T7704] netdev_get_by_index+0x5e/0x80 [16060.493768][ T7704] fib6_nh_init+0x3d8/0x15b0 [16060.493768][ T7704] ip6_route_info_create+0xf18/0x17d0 [16060.493768][ T7704] ip6_route_add+0x1c/0x140 [16060.493768][ T7704] addrconf_prefix_route+0x2a6/0x430 [16060.493768][ T7704] inet6_addr_add+0x4f8/0xa40 [16060.493768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16060.493768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16060.493768][ T7704] netlink_rcv_skb+0x130/0x360 [16060.493768][ T7704] netlink_unicast+0x449/0x710 [16060.493768][ T7704] netlink_sendmsg+0x723/0xbe0 [16060.493768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16060.493768][ T7704] ___sys_sendmsg+0xee/0x170 [16060.493768][ T7704] __sys_sendmsg+0xcd/0x170 [16060.493768][ T7704] do_syscall_64+0xc6/0x1e0 [16060.493768][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16060.493768][ T7704] [16060.495927][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16060.495927][ T7704] netdev_get_by_index+0x5e/0x80 [16060.495927][ T7704] fib6_nh_init+0x3d8/0x15b0 [16060.495927][ T7704] ip6_route_info_create+0xf18/0x17d0 [16060.495927][ T7704] addrconf_f6i_alloc+0x315/0x560 [16060.495927][ T7704] ipv6_add_addr+0x411/0x2000 [16060.495927][ T7704] inet6_addr_add+0x30e/0xa40 [16060.495927][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16060.495927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16060.495927][ T7704] netlink_rcv_skb+0x130/0x360 [16060.495927][ T7704] netlink_unicast+0x449/0x710 [16060.495927][ T7704] netlink_sendmsg+0x723/0xbe0 [16060.495927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16060.495927][ T7704] ___sys_sendmsg+0xee/0x170 [16060.495927][ T7704] __sys_sendmsg+0xcd/0x170 [16060.495927][ T7704] do_syscall_64+0xc6/0x1e0 [16060.495927][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16060.495927][ T7704] [16060.498011][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16060.498011][ T7704] netdev_get_by_index+0x5e/0x80 [16060.498011][ T7704] fib6_nh_init+0x3d8/0x15b0 [16060.498011][ T7704] ip6_route_info_create+0xf18/0x17d0 [16060.498011][ T7704] ip6_route_add+0x1c/0x140 [16060.498011][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16060.498011][ T7704] addrconf_add_dev+0xe2/0x170 [16060.498011][ T7704] inet6_addr_add+0x12f/0xa40 [16060.498011][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16060.498011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16060.498011][ T7704] netlink_rcv_skb+0x130/0x360 [16060.498011][ T7704] netlink_unicast+0x449/0x710 [16060.498011][ T7704] netlink_sendmsg+0x723/0xbe0 [16060.498011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16060.498011][ T7704] ___sys_sendmsg+0xee/0x170 [16060.498011][ T7704] __sys_sendmsg+0xcd/0x170 [16060.498011][ T7704] do_syscall_64+0xc6/0x1e0 [16060.498011][ T7704] [16060.500173][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16060.500173][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16060.500173][ T7704] ipv6_find_idev+0x102/0x170 [16060.500173][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16060.500173][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16060.500173][ T7704] netlink_rcv_skb+0x130/0x360 [16060.500173][ T7704] netlink_unicast+0x449/0x710 [16060.500173][ T7704] netlink_sendmsg+0x723/0xbe0 [16060.500173][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16060.500173][ T7704] ___sys_sendmsg+0xee/0x170 [16060.500173][ T7704] __sys_sendmsg+0xcd/0x170 [16060.500173][ T7704] do_syscall_64+0xc6/0x1e0 [16060.500173][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16060.500173][ T7704] [16060.501814][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16060.501814][ T7704] neigh_parms_alloc+0x1e5/0x510 [16060.501814][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16060.501814][ T7704] ipv6_find_idev+0x102/0x170 [16060.501814][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16060.501814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16060.501814][ T7704] netlink_rcv_skb+0x130/0x360 [16060.501814][ T7704] netlink_unicast+0x449/0x710 [16060.501814][ T7704] netlink_sendmsg+0x723/0xbe0 [16060.501814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16060.501814][ T7704] ___sys_sendmsg+0xee/0x170 [16060.501814][ T7704] __sys_sendmsg+0xcd/0x170 [16060.501814][ T7704] do_syscall_64+0xc6/0x1e0 [16060.501814][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16060.501814][ T7704] [16070.740849][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16070.741384][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16070.741384][ T7704] netdev_get_by_index+0x5e/0x80 [16070.741384][ T7704] fib6_nh_init+0x3d8/0x15b0 [16070.741384][ T7704] ip6_route_info_create+0xf18/0x17d0 [16070.741384][ T7704] ip6_route_add+0x1c/0x140 [16070.741384][ T7704] addrconf_prefix_route+0x2a6/0x430 [16070.741384][ T7704] inet6_addr_add+0x4f8/0xa40 [16070.741384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16070.741384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16070.741384][ T7704] netlink_rcv_skb+0x130/0x360 [16070.741384][ T7704] netlink_unicast+0x449/0x710 [16070.741384][ T7704] netlink_sendmsg+0x723/0xbe0 [16070.741384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16070.741384][ T7704] ___sys_sendmsg+0xee/0x170 [16070.741384][ T7704] __sys_sendmsg+0xcd/0x170 [16070.741384][ T7704] do_syscall_64+0xc6/0x1e0 [16070.741384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16070.741384][ T7704] [16070.743803][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16070.743803][ T7704] netdev_get_by_index+0x5e/0x80 [16070.743803][ T7704] fib6_nh_init+0x3d8/0x15b0 [16070.743803][ T7704] ip6_route_info_create+0xf18/0x17d0 [16070.743803][ T7704] addrconf_f6i_alloc+0x315/0x560 [16070.743803][ T7704] ipv6_add_addr+0x411/0x2000 [16070.743803][ T7704] inet6_addr_add+0x30e/0xa40 [16070.743803][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16070.743803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16070.743803][ T7704] netlink_rcv_skb+0x130/0x360 [16070.743803][ T7704] netlink_unicast+0x449/0x710 [16070.743803][ T7704] netlink_sendmsg+0x723/0xbe0 [16070.743803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16070.743803][ T7704] ___sys_sendmsg+0xee/0x170 [16070.743803][ T7704] __sys_sendmsg+0xcd/0x170 [16070.743803][ T7704] do_syscall_64+0xc6/0x1e0 [16070.743803][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16070.743803][ T7704] [16070.746186][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16070.746186][ T7704] netdev_get_by_index+0x5e/0x80 [16070.746186][ T7704] fib6_nh_init+0x3d8/0x15b0 [16070.746186][ T7704] ip6_route_info_create+0xf18/0x17d0 [16070.746186][ T7704] ip6_route_add+0x1c/0x140 [16070.746186][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16070.746186][ T7704] addrconf_add_dev+0xe2/0x170 [16070.746186][ T7704] inet6_addr_add+0x12f/0xa40 [16070.746186][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16070.746186][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16070.746186][ T7704] netlink_rcv_skb+0x130/0x360 [16070.746186][ T7704] netlink_unicast+0x449/0x710 [16070.746186][ T7704] netlink_sendmsg+0x723/0xbe0 [16070.746186][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16070.746186][ T7704] ___sys_sendmsg+0xee/0x170 [16070.746186][ T7704] __sys_sendmsg+0xcd/0x170 [16070.746186][ T7704] do_syscall_64+0xc6/0x1e0 [16070.746186][ T7704] [16070.748526][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16070.748526][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16070.748526][ T7704] ipv6_find_idev+0x102/0x170 [16070.748526][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16070.748526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16070.748526][ T7704] netlink_rcv_skb+0x130/0x360 [16070.748526][ T7704] netlink_unicast+0x449/0x710 [16070.748526][ T7704] netlink_sendmsg+0x723/0xbe0 [16070.748526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16070.748526][ T7704] ___sys_sendmsg+0xee/0x170 [16070.748526][ T7704] __sys_sendmsg+0xcd/0x170 [16070.748526][ T7704] do_syscall_64+0xc6/0x1e0 [16070.748526][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16070.748526][ T7704] [16070.750394][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16070.750394][ T7704] neigh_parms_alloc+0x1e5/0x510 [16070.750394][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16070.750394][ T7704] ipv6_find_idev+0x102/0x170 [16070.750394][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16070.750394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16070.750394][ T7704] netlink_rcv_skb+0x130/0x360 [16070.750394][ T7704] netlink_unicast+0x449/0x710 [16070.750394][ T7704] netlink_sendmsg+0x723/0xbe0 [16070.750394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16070.750394][ T7704] ___sys_sendmsg+0xee/0x170 [16070.750394][ T7704] __sys_sendmsg+0xcd/0x170 [16070.750394][ T7704] do_syscall_64+0xc6/0x1e0 [16070.750394][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16070.750394][ T7704] [16080.988882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16080.989735][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16080.989735][ T7704] netdev_get_by_index+0x5e/0x80 [16080.989735][ T7704] fib6_nh_init+0x3d8/0x15b0 [16080.989735][ T7704] ip6_route_info_create+0xf18/0x17d0 [16080.989735][ T7704] ip6_route_add+0x1c/0x140 [16080.989735][ T7704] addrconf_prefix_route+0x2a6/0x430 [16080.989735][ T7704] inet6_addr_add+0x4f8/0xa40 [16080.989735][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16080.989735][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16080.989735][ T7704] netlink_rcv_skb+0x130/0x360 [16080.989735][ T7704] netlink_unicast+0x449/0x710 [16080.989735][ T7704] netlink_sendmsg+0x723/0xbe0 [16080.989735][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16080.989735][ T7704] ___sys_sendmsg+0xee/0x170 [16080.989735][ T7704] __sys_sendmsg+0xcd/0x170 [16080.989735][ T7704] do_syscall_64+0xc6/0x1e0 [16080.989735][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16080.989735][ T7704] [16080.991997][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16080.991997][ T7704] netdev_get_by_index+0x5e/0x80 [16080.991997][ T7704] fib6_nh_init+0x3d8/0x15b0 [16080.991997][ T7704] ip6_route_info_create+0xf18/0x17d0 [16080.991997][ T7704] addrconf_f6i_alloc+0x315/0x560 [16080.991997][ T7704] ipv6_add_addr+0x411/0x2000 [16080.991997][ T7704] inet6_addr_add+0x30e/0xa40 [16080.991997][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16080.991997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16080.991997][ T7704] netlink_rcv_skb+0x130/0x360 [16080.991997][ T7704] netlink_unicast+0x449/0x710 [16080.991997][ T7704] netlink_sendmsg+0x723/0xbe0 [16080.991997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16080.991997][ T7704] ___sys_sendmsg+0xee/0x170 [16080.991997][ T7704] __sys_sendmsg+0xcd/0x170 [16080.991997][ T7704] do_syscall_64+0xc6/0x1e0 [16080.991997][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16080.991997][ T7704] [16080.994191][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16080.994191][ T7704] netdev_get_by_index+0x5e/0x80 [16080.994191][ T7704] fib6_nh_init+0x3d8/0x15b0 [16080.994191][ T7704] ip6_route_info_create+0xf18/0x17d0 [16080.994191][ T7704] ip6_route_add+0x1c/0x140 [16080.994191][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16080.994191][ T7704] addrconf_add_dev+0xe2/0x170 [16080.994191][ T7704] inet6_addr_add+0x12f/0xa40 [16080.994191][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16080.994191][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16080.994191][ T7704] netlink_rcv_skb+0x130/0x360 [16080.994191][ T7704] netlink_unicast+0x449/0x710 [16080.994191][ T7704] netlink_sendmsg+0x723/0xbe0 [16080.994191][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16080.994191][ T7704] ___sys_sendmsg+0xee/0x170 [16080.994191][ T7704] __sys_sendmsg+0xcd/0x170 [16080.994191][ T7704] do_syscall_64+0xc6/0x1e0 [16080.994191][ T7704] [16080.996379][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16080.996379][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16080.996379][ T7704] ipv6_find_idev+0x102/0x170 [16080.996379][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16080.996379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16080.996379][ T7704] netlink_rcv_skb+0x130/0x360 [16080.996379][ T7704] netlink_unicast+0x449/0x710 [16080.996379][ T7704] netlink_sendmsg+0x723/0xbe0 [16080.996379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16080.996379][ T7704] ___sys_sendmsg+0xee/0x170 [16080.996379][ T7704] __sys_sendmsg+0xcd/0x170 [16080.996379][ T7704] do_syscall_64+0xc6/0x1e0 [16080.996379][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16080.996379][ T7704] [16080.998107][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16080.998107][ T7704] neigh_parms_alloc+0x1e5/0x510 [16080.998107][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16080.998107][ T7704] ipv6_find_idev+0x102/0x170 [16080.998107][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16080.998107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16080.998107][ T7704] netlink_rcv_skb+0x130/0x360 [16080.998107][ T7704] netlink_unicast+0x449/0x710 [16080.998107][ T7704] netlink_sendmsg+0x723/0xbe0 [16080.998107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16080.998107][ T7704] ___sys_sendmsg+0xee/0x170 [16080.998107][ T7704] __sys_sendmsg+0xcd/0x170 [16080.998107][ T7704] do_syscall_64+0xc6/0x1e0 [16080.998107][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16080.998107][ T7704] [16091.244884][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16091.245627][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16091.245627][ T7704] netdev_get_by_index+0x5e/0x80 [16091.245627][ T7704] fib6_nh_init+0x3d8/0x15b0 [16091.245627][ T7704] ip6_route_info_create+0xf18/0x17d0 [16091.245627][ T7704] ip6_route_add+0x1c/0x140 [16091.245627][ T7704] addrconf_prefix_route+0x2a6/0x430 [16091.245627][ T7704] inet6_addr_add+0x4f8/0xa40 [16091.245627][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16091.245627][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16091.245627][ T7704] netlink_rcv_skb+0x130/0x360 [16091.245627][ T7704] netlink_unicast+0x449/0x710 [16091.245627][ T7704] netlink_sendmsg+0x723/0xbe0 [16091.245627][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16091.245627][ T7704] ___sys_sendmsg+0xee/0x170 [16091.245627][ T7704] __sys_sendmsg+0xcd/0x170 [16091.245627][ T7704] do_syscall_64+0xc6/0x1e0 [16091.245627][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16091.245627][ T7704] [16091.247842][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16091.247842][ T7704] netdev_get_by_index+0x5e/0x80 [16091.247842][ T7704] fib6_nh_init+0x3d8/0x15b0 [16091.247842][ T7704] ip6_route_info_create+0xf18/0x17d0 [16091.247842][ T7704] addrconf_f6i_alloc+0x315/0x560 [16091.247842][ T7704] ipv6_add_addr+0x411/0x2000 [16091.247842][ T7704] inet6_addr_add+0x30e/0xa40 [16091.247842][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16091.247842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16091.247842][ T7704] netlink_rcv_skb+0x130/0x360 [16091.247842][ T7704] netlink_unicast+0x449/0x710 [16091.247842][ T7704] netlink_sendmsg+0x723/0xbe0 [16091.247842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16091.247842][ T7704] ___sys_sendmsg+0xee/0x170 [16091.247842][ T7704] __sys_sendmsg+0xcd/0x170 [16091.247842][ T7704] do_syscall_64+0xc6/0x1e0 [16091.247842][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16091.247842][ T7704] [16091.250027][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16091.250027][ T7704] netdev_get_by_index+0x5e/0x80 [16091.250027][ T7704] fib6_nh_init+0x3d8/0x15b0 [16091.250027][ T7704] ip6_route_info_create+0xf18/0x17d0 [16091.250027][ T7704] ip6_route_add+0x1c/0x140 [16091.250027][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16091.250027][ T7704] addrconf_add_dev+0xe2/0x170 [16091.250027][ T7704] inet6_addr_add+0x12f/0xa40 [16091.250027][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16091.250027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16091.250027][ T7704] netlink_rcv_skb+0x130/0x360 [16091.250027][ T7704] netlink_unicast+0x449/0x710 [16091.250027][ T7704] netlink_sendmsg+0x723/0xbe0 [16091.250027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16091.250027][ T7704] ___sys_sendmsg+0xee/0x170 [16091.250027][ T7704] __sys_sendmsg+0xcd/0x170 [16091.250027][ T7704] do_syscall_64+0xc6/0x1e0 [16091.250027][ T7704] [16091.252178][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16091.252178][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16091.252178][ T7704] ipv6_find_idev+0x102/0x170 [16091.252178][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16091.252178][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16091.252178][ T7704] netlink_rcv_skb+0x130/0x360 [16091.252178][ T7704] netlink_unicast+0x449/0x710 [16091.252178][ T7704] netlink_sendmsg+0x723/0xbe0 [16091.252178][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16091.252178][ T7704] ___sys_sendmsg+0xee/0x170 [16091.252178][ T7704] __sys_sendmsg+0xcd/0x170 [16091.252178][ T7704] do_syscall_64+0xc6/0x1e0 [16091.252178][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16091.252178][ T7704] [16091.253879][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16091.253879][ T7704] neigh_parms_alloc+0x1e5/0x510 [16091.253879][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16091.253879][ T7704] ipv6_find_idev+0x102/0x170 [16091.253879][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16091.253879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16091.253879][ T7704] netlink_rcv_skb+0x130/0x360 [16091.253879][ T7704] netlink_unicast+0x449/0x710 [16091.253879][ T7704] netlink_sendmsg+0x723/0xbe0 [16091.253879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16091.253879][ T7704] ___sys_sendmsg+0xee/0x170 [16091.253879][ T7704] __sys_sendmsg+0xcd/0x170 [16091.253879][ T7704] do_syscall_64+0xc6/0x1e0 [16091.253879][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16091.253879][ T7704] [16101.492916][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16101.493567][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16101.493567][ T7704] netdev_get_by_index+0x5e/0x80 [16101.493567][ T7704] fib6_nh_init+0x3d8/0x15b0 [16101.493567][ T7704] ip6_route_info_create+0xf18/0x17d0 [16101.493567][ T7704] ip6_route_add+0x1c/0x140 [16101.493567][ T7704] addrconf_prefix_route+0x2a6/0x430 [16101.493567][ T7704] inet6_addr_add+0x4f8/0xa40 [16101.493567][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16101.493567][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16101.493567][ T7704] netlink_rcv_skb+0x130/0x360 [16101.493567][ T7704] netlink_unicast+0x449/0x710 [16101.493567][ T7704] netlink_sendmsg+0x723/0xbe0 [16101.493567][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16101.493567][ T7704] ___sys_sendmsg+0xee/0x170 [16101.493567][ T7704] __sys_sendmsg+0xcd/0x170 [16101.493567][ T7704] do_syscall_64+0xc6/0x1e0 [16101.493567][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16101.493567][ T7704] [16101.496053][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16101.496053][ T7704] netdev_get_by_index+0x5e/0x80 [16101.496053][ T7704] fib6_nh_init+0x3d8/0x15b0 [16101.496053][ T7704] ip6_route_info_create+0xf18/0x17d0 [16101.496053][ T7704] addrconf_f6i_alloc+0x315/0x560 [16101.496053][ T7704] ipv6_add_addr+0x411/0x2000 [16101.496053][ T7704] inet6_addr_add+0x30e/0xa40 [16101.496053][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16101.496053][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16101.496053][ T7704] netlink_rcv_skb+0x130/0x360 [16101.496053][ T7704] netlink_unicast+0x449/0x710 [16101.496053][ T7704] netlink_sendmsg+0x723/0xbe0 [16101.496053][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16101.496053][ T7704] ___sys_sendmsg+0xee/0x170 [16101.496053][ T7704] __sys_sendmsg+0xcd/0x170 [16101.496053][ T7704] do_syscall_64+0xc6/0x1e0 [16101.496053][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16101.496053][ T7704] [16101.498533][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16101.498533][ T7704] netdev_get_by_index+0x5e/0x80 [16101.498533][ T7704] fib6_nh_init+0x3d8/0x15b0 [16101.498533][ T7704] ip6_route_info_create+0xf18/0x17d0 [16101.498533][ T7704] ip6_route_add+0x1c/0x140 [16101.498533][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16101.498533][ T7704] addrconf_add_dev+0xe2/0x170 [16101.498533][ T7704] inet6_addr_add+0x12f/0xa40 [16101.498533][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16101.498533][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16101.498533][ T7704] netlink_rcv_skb+0x130/0x360 [16101.498533][ T7704] netlink_unicast+0x449/0x710 [16101.498533][ T7704] netlink_sendmsg+0x723/0xbe0 [16101.498533][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16101.498533][ T7704] ___sys_sendmsg+0xee/0x170 [16101.498533][ T7704] __sys_sendmsg+0xcd/0x170 [16101.498533][ T7704] do_syscall_64+0xc6/0x1e0 [16101.498533][ T7704] [16101.500933][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16101.500933][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16101.500933][ T7704] ipv6_find_idev+0x102/0x170 [16101.500933][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16101.500933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16101.500933][ T7704] netlink_rcv_skb+0x130/0x360 [16101.500933][ T7704] netlink_unicast+0x449/0x710 [16101.500933][ T7704] netlink_sendmsg+0x723/0xbe0 [16101.500933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16101.500933][ T7704] ___sys_sendmsg+0xee/0x170 [16101.500933][ T7704] __sys_sendmsg+0xcd/0x170 [16101.500933][ T7704] do_syscall_64+0xc6/0x1e0 [16101.500933][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16101.500933][ T7704] [16101.502856][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16101.502856][ T7704] neigh_parms_alloc+0x1e5/0x510 [16101.502856][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16101.502856][ T7704] ipv6_find_idev+0x102/0x170 [16101.502856][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16101.502856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16101.502856][ T7704] netlink_rcv_skb+0x130/0x360 [16101.502856][ T7704] netlink_unicast+0x449/0x710 [16101.502856][ T7704] netlink_sendmsg+0x723/0xbe0 [16101.502856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16101.502856][ T7704] ___sys_sendmsg+0xee/0x170 [16101.502856][ T7704] __sys_sendmsg+0xcd/0x170 [16101.502856][ T7704] do_syscall_64+0xc6/0x1e0 [16101.502856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16101.502856][ T7704] [16111.740888][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16111.741594][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16111.741594][ T7704] netdev_get_by_index+0x5e/0x80 [16111.741594][ T7704] fib6_nh_init+0x3d8/0x15b0 [16111.741594][ T7704] ip6_route_info_create+0xf18/0x17d0 [16111.741594][ T7704] ip6_route_add+0x1c/0x140 [16111.741594][ T7704] addrconf_prefix_route+0x2a6/0x430 [16111.741594][ T7704] inet6_addr_add+0x4f8/0xa40 [16111.741594][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16111.741594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16111.741594][ T7704] netlink_rcv_skb+0x130/0x360 [16111.741594][ T7704] netlink_unicast+0x449/0x710 [16111.741594][ T7704] netlink_sendmsg+0x723/0xbe0 [16111.741594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16111.741594][ T7704] ___sys_sendmsg+0xee/0x170 [16111.741594][ T7704] __sys_sendmsg+0xcd/0x170 [16111.741594][ T7704] do_syscall_64+0xc6/0x1e0 [16111.741594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16111.741594][ T7704] [16111.744154][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16111.744154][ T7704] netdev_get_by_index+0x5e/0x80 [16111.744154][ T7704] fib6_nh_init+0x3d8/0x15b0 [16111.744154][ T7704] ip6_route_info_create+0xf18/0x17d0 [16111.744154][ T7704] addrconf_f6i_alloc+0x315/0x560 [16111.744154][ T7704] ipv6_add_addr+0x411/0x2000 [16111.744154][ T7704] inet6_addr_add+0x30e/0xa40 [16111.744154][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16111.744154][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16111.744154][ T7704] netlink_rcv_skb+0x130/0x360 [16111.744154][ T7704] netlink_unicast+0x449/0x710 [16111.744154][ T7704] netlink_sendmsg+0x723/0xbe0 [16111.744154][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16111.744154][ T7704] ___sys_sendmsg+0xee/0x170 [16111.744154][ T7704] __sys_sendmsg+0xcd/0x170 [16111.744154][ T7704] do_syscall_64+0xc6/0x1e0 [16111.744154][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16111.744154][ T7704] [16111.746644][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16111.746644][ T7704] netdev_get_by_index+0x5e/0x80 [16111.746644][ T7704] fib6_nh_init+0x3d8/0x15b0 [16111.746644][ T7704] ip6_route_info_create+0xf18/0x17d0 [16111.746644][ T7704] ip6_route_add+0x1c/0x140 [16111.746644][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16111.746644][ T7704] addrconf_add_dev+0xe2/0x170 [16111.746644][ T7704] inet6_addr_add+0x12f/0xa40 [16111.746644][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16111.746644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16111.746644][ T7704] netlink_rcv_skb+0x130/0x360 [16111.746644][ T7704] netlink_unicast+0x449/0x710 [16111.746644][ T7704] netlink_sendmsg+0x723/0xbe0 [16111.746644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16111.746644][ T7704] ___sys_sendmsg+0xee/0x170 [16111.746644][ T7704] __sys_sendmsg+0xcd/0x170 [16111.746644][ T7704] do_syscall_64+0xc6/0x1e0 [16111.746644][ T7704] [16111.749131][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16111.749131][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16111.749131][ T7704] ipv6_find_idev+0x102/0x170 [16111.749131][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16111.749131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16111.749131][ T7704] netlink_rcv_skb+0x130/0x360 [16111.749131][ T7704] netlink_unicast+0x449/0x710 [16111.749131][ T7704] netlink_sendmsg+0x723/0xbe0 [16111.749131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16111.749131][ T7704] ___sys_sendmsg+0xee/0x170 [16111.749131][ T7704] __sys_sendmsg+0xcd/0x170 [16111.749131][ T7704] do_syscall_64+0xc6/0x1e0 [16111.749131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16111.749131][ T7704] [16111.751059][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16111.751059][ T7704] neigh_parms_alloc+0x1e5/0x510 [16111.751059][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16111.751059][ T7704] ipv6_find_idev+0x102/0x170 [16111.751059][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16111.751059][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16111.751059][ T7704] netlink_rcv_skb+0x130/0x360 [16111.751059][ T7704] netlink_unicast+0x449/0x710 [16111.751059][ T7704] netlink_sendmsg+0x723/0xbe0 [16111.751059][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16111.751059][ T7704] ___sys_sendmsg+0xee/0x170 [16111.751059][ T7704] __sys_sendmsg+0xcd/0x170 [16111.751059][ T7704] do_syscall_64+0xc6/0x1e0 [16111.751059][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16111.751059][ T7704] [16121.988890][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16121.990000][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16121.990000][ T7704] netdev_get_by_index+0x5e/0x80 [16121.990000][ T7704] fib6_nh_init+0x3d8/0x15b0 [16121.990000][ T7704] ip6_route_info_create+0xf18/0x17d0 [16121.990000][ T7704] ip6_route_add+0x1c/0x140 [16121.990000][ T7704] addrconf_prefix_route+0x2a6/0x430 [16121.990000][ T7704] inet6_addr_add+0x4f8/0xa40 [16121.990000][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16121.990000][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16121.990000][ T7704] netlink_rcv_skb+0x130/0x360 [16121.990000][ T7704] netlink_unicast+0x449/0x710 [16121.990000][ T7704] netlink_sendmsg+0x723/0xbe0 [16121.990000][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16121.990000][ T7704] ___sys_sendmsg+0xee/0x170 [16121.990000][ T7704] __sys_sendmsg+0xcd/0x170 [16121.990000][ T7704] do_syscall_64+0xc6/0x1e0 [16121.990000][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16121.990000][ T7704] [16121.992767][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16121.992767][ T7704] netdev_get_by_index+0x5e/0x80 [16121.992767][ T7704] fib6_nh_init+0x3d8/0x15b0 [16121.992767][ T7704] ip6_route_info_create+0xf18/0x17d0 [16121.992767][ T7704] addrconf_f6i_alloc+0x315/0x560 [16121.992767][ T7704] ipv6_add_addr+0x411/0x2000 [16121.992767][ T7704] inet6_addr_add+0x30e/0xa40 [16121.992767][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16121.992767][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16121.992767][ T7704] netlink_rcv_skb+0x130/0x360 [16121.992767][ T7704] netlink_unicast+0x449/0x710 [16121.992767][ T7704] netlink_sendmsg+0x723/0xbe0 [16121.992767][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16121.992767][ T7704] ___sys_sendmsg+0xee/0x170 [16121.992767][ T7704] __sys_sendmsg+0xcd/0x170 [16121.992767][ T7704] do_syscall_64+0xc6/0x1e0 [16121.992767][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16121.992767][ T7704] [16121.995428][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16121.995428][ T7704] netdev_get_by_index+0x5e/0x80 [16121.995428][ T7704] fib6_nh_init+0x3d8/0x15b0 [16121.995428][ T7704] ip6_route_info_create+0xf18/0x17d0 [16121.995428][ T7704] ip6_route_add+0x1c/0x140 [16121.995428][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16121.995428][ T7704] addrconf_add_dev+0xe2/0x170 [16121.995428][ T7704] inet6_addr_add+0x12f/0xa40 [16121.995428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16121.995428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16121.995428][ T7704] netlink_rcv_skb+0x130/0x360 [16121.995428][ T7704] netlink_unicast+0x449/0x710 [16121.995428][ T7704] netlink_sendmsg+0x723/0xbe0 [16121.995428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16121.995428][ T7704] ___sys_sendmsg+0xee/0x170 [16121.995428][ T7704] __sys_sendmsg+0xcd/0x170 [16121.995428][ T7704] do_syscall_64+0xc6/0x1e0 [16121.995428][ T7704] [16121.997943][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16121.997943][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16121.997943][ T7704] ipv6_find_idev+0x102/0x170 [16121.997943][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16121.997943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16121.997943][ T7704] netlink_rcv_skb+0x130/0x360 [16121.997943][ T7704] netlink_unicast+0x449/0x710 [16121.997943][ T7704] netlink_sendmsg+0x723/0xbe0 [16121.997943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16121.997943][ T7704] ___sys_sendmsg+0xee/0x170 [16121.997943][ T7704] __sys_sendmsg+0xcd/0x170 [16121.997943][ T7704] do_syscall_64+0xc6/0x1e0 [16121.997943][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16121.997943][ T7704] [16121.999875][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16121.999875][ T7704] neigh_parms_alloc+0x1e5/0x510 [16121.999875][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16121.999875][ T7704] ipv6_find_idev+0x102/0x170 [16121.999875][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16121.999875][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16121.999875][ T7704] netlink_rcv_skb+0x130/0x360 [16121.999875][ T7704] netlink_unicast+0x449/0x710 [16121.999875][ T7704] netlink_sendmsg+0x723/0xbe0 [16121.999875][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16121.999875][ T7704] ___sys_sendmsg+0xee/0x170 [16121.999875][ T7704] __sys_sendmsg+0xcd/0x170 [16121.999875][ T7704] do_syscall_64+0xc6/0x1e0 [16121.999875][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16121.999875][ T7704] [16132.244959][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16132.245544][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16132.245544][ T7704] netdev_get_by_index+0x5e/0x80 [16132.245544][ T7704] fib6_nh_init+0x3d8/0x15b0 [16132.245544][ T7704] ip6_route_info_create+0xf18/0x17d0 [16132.245544][ T7704] ip6_route_add+0x1c/0x140 [16132.245544][ T7704] addrconf_prefix_route+0x2a6/0x430 [16132.245544][ T7704] inet6_addr_add+0x4f8/0xa40 [16132.245544][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16132.245544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16132.245544][ T7704] netlink_rcv_skb+0x130/0x360 [16132.245544][ T7704] netlink_unicast+0x449/0x710 [16132.245544][ T7704] netlink_sendmsg+0x723/0xbe0 [16132.245544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16132.245544][ T7704] ___sys_sendmsg+0xee/0x170 [16132.245544][ T7704] __sys_sendmsg+0xcd/0x170 [16132.245544][ T7704] do_syscall_64+0xc6/0x1e0 [16132.245544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16132.245544][ T7704] [16132.248343][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16132.248343][ T7704] netdev_get_by_index+0x5e/0x80 [16132.248343][ T7704] fib6_nh_init+0x3d8/0x15b0 [16132.248343][ T7704] ip6_route_info_create+0xf18/0x17d0 [16132.248343][ T7704] addrconf_f6i_alloc+0x315/0x560 [16132.248343][ T7704] ipv6_add_addr+0x411/0x2000 [16132.248343][ T7704] inet6_addr_add+0x30e/0xa40 [16132.248343][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16132.248343][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16132.248343][ T7704] netlink_rcv_skb+0x130/0x360 [16132.248343][ T7704] netlink_unicast+0x449/0x710 [16132.248343][ T7704] netlink_sendmsg+0x723/0xbe0 [16132.248343][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16132.248343][ T7704] ___sys_sendmsg+0xee/0x170 [16132.248343][ T7704] __sys_sendmsg+0xcd/0x170 [16132.248343][ T7704] do_syscall_64+0xc6/0x1e0 [16132.248343][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16132.248343][ T7704] [16132.250824][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16132.250824][ T7704] netdev_get_by_index+0x5e/0x80 [16132.250824][ T7704] fib6_nh_init+0x3d8/0x15b0 [16132.250824][ T7704] ip6_route_info_create+0xf18/0x17d0 [16132.250824][ T7704] ip6_route_add+0x1c/0x140 [16132.250824][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16132.250824][ T7704] addrconf_add_dev+0xe2/0x170 [16132.250824][ T7704] inet6_addr_add+0x12f/0xa40 [16132.250824][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16132.250824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16132.250824][ T7704] netlink_rcv_skb+0x130/0x360 [16132.250824][ T7704] netlink_unicast+0x449/0x710 [16132.250824][ T7704] netlink_sendmsg+0x723/0xbe0 [16132.250824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16132.250824][ T7704] ___sys_sendmsg+0xee/0x170 [16132.250824][ T7704] __sys_sendmsg+0xcd/0x170 [16132.250824][ T7704] do_syscall_64+0xc6/0x1e0 [16132.250824][ T7704] [16132.253247][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16132.253247][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16132.253247][ T7704] ipv6_find_idev+0x102/0x170 [16132.253247][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16132.253247][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16132.253247][ T7704] netlink_rcv_skb+0x130/0x360 [16132.253247][ T7704] netlink_unicast+0x449/0x710 [16132.253247][ T7704] netlink_sendmsg+0x723/0xbe0 [16132.253247][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16132.253247][ T7704] ___sys_sendmsg+0xee/0x170 [16132.253247][ T7704] __sys_sendmsg+0xcd/0x170 [16132.253247][ T7704] do_syscall_64+0xc6/0x1e0 [16132.253247][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16132.253247][ T7704] [16132.255180][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16132.255180][ T7704] neigh_parms_alloc+0x1e5/0x510 [16132.255180][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16132.255180][ T7704] ipv6_find_idev+0x102/0x170 [16132.255180][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16132.255180][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16132.255180][ T7704] netlink_rcv_skb+0x130/0x360 [16132.255180][ T7704] netlink_unicast+0x449/0x710 [16132.255180][ T7704] netlink_sendmsg+0x723/0xbe0 [16132.255180][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16132.255180][ T7704] ___sys_sendmsg+0xee/0x170 [16132.255180][ T7704] __sys_sendmsg+0xcd/0x170 [16132.255180][ T7704] do_syscall_64+0xc6/0x1e0 [16132.255180][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16132.255180][ T7704] [16142.492825][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16142.493501][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16142.493501][ T7704] netdev_get_by_index+0x5e/0x80 [16142.493501][ T7704] fib6_nh_init+0x3d8/0x15b0 [16142.493501][ T7704] ip6_route_info_create+0xf18/0x17d0 [16142.493501][ T7704] ip6_route_add+0x1c/0x140 [16142.493501][ T7704] addrconf_prefix_route+0x2a6/0x430 [16142.493501][ T7704] inet6_addr_add+0x4f8/0xa40 [16142.493501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16142.493501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16142.493501][ T7704] netlink_rcv_skb+0x130/0x360 [16142.493501][ T7704] netlink_unicast+0x449/0x710 [16142.493501][ T7704] netlink_sendmsg+0x723/0xbe0 [16142.493501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16142.493501][ T7704] ___sys_sendmsg+0xee/0x170 [16142.493501][ T7704] __sys_sendmsg+0xcd/0x170 [16142.493501][ T7704] do_syscall_64+0xc6/0x1e0 [16142.493501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16142.493501][ T7704] [16142.496205][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16142.496205][ T7704] netdev_get_by_index+0x5e/0x80 [16142.496205][ T7704] fib6_nh_init+0x3d8/0x15b0 [16142.496205][ T7704] ip6_route_info_create+0xf18/0x17d0 [16142.496205][ T7704] addrconf_f6i_alloc+0x315/0x560 [16142.496205][ T7704] ipv6_add_addr+0x411/0x2000 [16142.496205][ T7704] inet6_addr_add+0x30e/0xa40 [16142.496205][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16142.496205][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16142.496205][ T7704] netlink_rcv_skb+0x130/0x360 [16142.496205][ T7704] netlink_unicast+0x449/0x710 [16142.496205][ T7704] netlink_sendmsg+0x723/0xbe0 [16142.496205][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16142.496205][ T7704] ___sys_sendmsg+0xee/0x170 [16142.496205][ T7704] __sys_sendmsg+0xcd/0x170 [16142.496205][ T7704] do_syscall_64+0xc6/0x1e0 [16142.496205][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16142.496205][ T7704] [16142.498797][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16142.498797][ T7704] netdev_get_by_index+0x5e/0x80 [16142.498797][ T7704] fib6_nh_init+0x3d8/0x15b0 [16142.498797][ T7704] ip6_route_info_create+0xf18/0x17d0 [16142.498797][ T7704] ip6_route_add+0x1c/0x140 [16142.498797][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16142.498797][ T7704] addrconf_add_dev+0xe2/0x170 [16142.498797][ T7704] inet6_addr_add+0x12f/0xa40 [16142.498797][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16142.498797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16142.498797][ T7704] netlink_rcv_skb+0x130/0x360 [16142.498797][ T7704] netlink_unicast+0x449/0x710 [16142.498797][ T7704] netlink_sendmsg+0x723/0xbe0 [16142.498797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16142.498797][ T7704] ___sys_sendmsg+0xee/0x170 [16142.498797][ T7704] __sys_sendmsg+0xcd/0x170 [16142.498797][ T7704] do_syscall_64+0xc6/0x1e0 [16142.498797][ T7704] [16142.501532][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16142.501532][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16142.501532][ T7704] ipv6_find_idev+0x102/0x170 [16142.501532][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16142.501532][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16142.501532][ T7704] netlink_rcv_skb+0x130/0x360 [16142.501532][ T7704] netlink_unicast+0x449/0x710 [16142.501532][ T7704] netlink_sendmsg+0x723/0xbe0 [16142.501532][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16142.501532][ T7704] ___sys_sendmsg+0xee/0x170 [16142.501532][ T7704] __sys_sendmsg+0xcd/0x170 [16142.501532][ T7704] do_syscall_64+0xc6/0x1e0 [16142.501532][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16142.501532][ T7704] [16142.503500][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16142.503500][ T7704] neigh_parms_alloc+0x1e5/0x510 [16142.503500][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16142.503500][ T7704] ipv6_find_idev+0x102/0x170 [16142.503500][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16142.503500][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16142.503500][ T7704] netlink_rcv_skb+0x130/0x360 [16142.503500][ T7704] netlink_unicast+0x449/0x710 [16142.503500][ T7704] netlink_sendmsg+0x723/0xbe0 [16142.503500][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16142.503500][ T7704] ___sys_sendmsg+0xee/0x170 [16142.503500][ T7704] __sys_sendmsg+0xcd/0x170 [16142.503500][ T7704] do_syscall_64+0xc6/0x1e0 [16142.503500][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16142.503500][ T7704] [16152.748878][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16152.749648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16152.749648][ T7704] netdev_get_by_index+0x5e/0x80 [16152.749648][ T7704] fib6_nh_init+0x3d8/0x15b0 [16152.749648][ T7704] ip6_route_info_create+0xf18/0x17d0 [16152.749648][ T7704] ip6_route_add+0x1c/0x140 [16152.749648][ T7704] addrconf_prefix_route+0x2a6/0x430 [16152.749648][ T7704] inet6_addr_add+0x4f8/0xa40 [16152.749648][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16152.749648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16152.749648][ T7704] netlink_rcv_skb+0x130/0x360 [16152.749648][ T7704] netlink_unicast+0x449/0x710 [16152.749648][ T7704] netlink_sendmsg+0x723/0xbe0 [16152.749648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16152.749648][ T7704] ___sys_sendmsg+0xee/0x170 [16152.749648][ T7704] __sys_sendmsg+0xcd/0x170 [16152.749648][ T7704] do_syscall_64+0xc6/0x1e0 [16152.749648][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16152.749648][ T7704] [16152.751839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16152.751839][ T7704] netdev_get_by_index+0x5e/0x80 [16152.751839][ T7704] fib6_nh_init+0x3d8/0x15b0 [16152.751839][ T7704] ip6_route_info_create+0xf18/0x17d0 [16152.751839][ T7704] addrconf_f6i_alloc+0x315/0x560 [16152.751839][ T7704] ipv6_add_addr+0x411/0x2000 [16152.751839][ T7704] inet6_addr_add+0x30e/0xa40 [16152.751839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16152.751839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16152.751839][ T7704] netlink_rcv_skb+0x130/0x360 [16152.751839][ T7704] netlink_unicast+0x449/0x710 [16152.751839][ T7704] netlink_sendmsg+0x723/0xbe0 [16152.751839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16152.751839][ T7704] ___sys_sendmsg+0xee/0x170 [16152.751839][ T7704] __sys_sendmsg+0xcd/0x170 [16152.751839][ T7704] do_syscall_64+0xc6/0x1e0 [16152.751839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16152.751839][ T7704] [16152.754041][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16152.754041][ T7704] netdev_get_by_index+0x5e/0x80 [16152.754041][ T7704] fib6_nh_init+0x3d8/0x15b0 [16152.754041][ T7704] ip6_route_info_create+0xf18/0x17d0 [16152.754041][ T7704] ip6_route_add+0x1c/0x140 [16152.754041][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16152.754041][ T7704] addrconf_add_dev+0xe2/0x170 [16152.754041][ T7704] inet6_addr_add+0x12f/0xa40 [16152.754041][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16152.754041][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16152.754041][ T7704] netlink_rcv_skb+0x130/0x360 [16152.754041][ T7704] netlink_unicast+0x449/0x710 [16152.754041][ T7704] netlink_sendmsg+0x723/0xbe0 [16152.754041][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16152.754041][ T7704] ___sys_sendmsg+0xee/0x170 [16152.754041][ T7704] __sys_sendmsg+0xcd/0x170 [16152.754041][ T7704] do_syscall_64+0xc6/0x1e0 [16152.754041][ T7704] [16152.756313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16152.756313][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16152.756313][ T7704] ipv6_find_idev+0x102/0x170 [16152.756313][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16152.756313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16152.756313][ T7704] netlink_rcv_skb+0x130/0x360 [16152.756313][ T7704] netlink_unicast+0x449/0x710 [16152.756313][ T7704] netlink_sendmsg+0x723/0xbe0 [16152.756313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16152.756313][ T7704] ___sys_sendmsg+0xee/0x170 [16152.756313][ T7704] __sys_sendmsg+0xcd/0x170 [16152.756313][ T7704] do_syscall_64+0xc6/0x1e0 [16152.756313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16152.756313][ T7704] [16152.758034][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16152.758034][ T7704] neigh_parms_alloc+0x1e5/0x510 [16152.758034][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16152.758034][ T7704] ipv6_find_idev+0x102/0x170 [16152.758034][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16152.758034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16152.758034][ T7704] netlink_rcv_skb+0x130/0x360 [16152.758034][ T7704] netlink_unicast+0x449/0x710 [16152.758034][ T7704] netlink_sendmsg+0x723/0xbe0 [16152.758034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16152.758034][ T7704] ___sys_sendmsg+0xee/0x170 [16152.758034][ T7704] __sys_sendmsg+0xcd/0x170 [16152.758034][ T7704] do_syscall_64+0xc6/0x1e0 [16152.758034][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16152.758034][ T7704] [16162.892906][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16162.893636][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16162.893636][ T7704] netdev_get_by_index+0x5e/0x80 [16162.893636][ T7704] fib6_nh_init+0x3d8/0x15b0 [16162.893636][ T7704] ip6_route_info_create+0xf18/0x17d0 [16162.893636][ T7704] ip6_route_add+0x1c/0x140 [16162.893636][ T7704] addrconf_prefix_route+0x2a6/0x430 [16162.893636][ T7704] inet6_addr_add+0x4f8/0xa40 [16162.893636][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16162.893636][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16162.893636][ T7704] netlink_rcv_skb+0x130/0x360 [16162.893636][ T7704] netlink_unicast+0x449/0x710 [16162.893636][ T7704] netlink_sendmsg+0x723/0xbe0 [16162.893636][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16162.893636][ T7704] ___sys_sendmsg+0xee/0x170 [16162.893636][ T7704] __sys_sendmsg+0xcd/0x170 [16162.893636][ T7704] do_syscall_64+0xc6/0x1e0 [16162.893636][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16162.893636][ T7704] [16162.895983][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16162.895983][ T7704] netdev_get_by_index+0x5e/0x80 [16162.895983][ T7704] fib6_nh_init+0x3d8/0x15b0 [16162.895983][ T7704] ip6_route_info_create+0xf18/0x17d0 [16162.895983][ T7704] addrconf_f6i_alloc+0x315/0x560 [16162.895983][ T7704] ipv6_add_addr+0x411/0x2000 [16162.895983][ T7704] inet6_addr_add+0x30e/0xa40 [16162.895983][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16162.895983][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16162.895983][ T7704] netlink_rcv_skb+0x130/0x360 [16162.895983][ T7704] netlink_unicast+0x449/0x710 [16162.895983][ T7704] netlink_sendmsg+0x723/0xbe0 [16162.895983][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16162.895983][ T7704] ___sys_sendmsg+0xee/0x170 [16162.895983][ T7704] __sys_sendmsg+0xcd/0x170 [16162.895983][ T7704] do_syscall_64+0xc6/0x1e0 [16162.895983][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16162.895983][ T7704] [16162.898337][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16162.898337][ T7704] netdev_get_by_index+0x5e/0x80 [16162.898337][ T7704] fib6_nh_init+0x3d8/0x15b0 [16162.898337][ T7704] ip6_route_info_create+0xf18/0x17d0 [16162.898337][ T7704] ip6_route_add+0x1c/0x140 [16162.898337][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16162.898337][ T7704] addrconf_add_dev+0xe2/0x170 [16162.898337][ T7704] inet6_addr_add+0x12f/0xa40 [16162.898337][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16162.898337][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16162.898337][ T7704] netlink_rcv_skb+0x130/0x360 [16162.898337][ T7704] netlink_unicast+0x449/0x710 [16162.898337][ T7704] netlink_sendmsg+0x723/0xbe0 [16162.898337][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16162.898337][ T7704] ___sys_sendmsg+0xee/0x170 [16162.898337][ T7704] __sys_sendmsg+0xcd/0x170 [16162.898337][ T7704] do_syscall_64+0xc6/0x1e0 [16162.898337][ T7704] [16162.900608][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16162.900608][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16162.900608][ T7704] ipv6_find_idev+0x102/0x170 [16162.900608][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16162.900608][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16162.900608][ T7704] netlink_rcv_skb+0x130/0x360 [16162.900608][ T7704] netlink_unicast+0x449/0x710 [16162.900608][ T7704] netlink_sendmsg+0x723/0xbe0 [16162.900608][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16162.900608][ T7704] ___sys_sendmsg+0xee/0x170 [16162.900608][ T7704] __sys_sendmsg+0xcd/0x170 [16162.900608][ T7704] do_syscall_64+0xc6/0x1e0 [16162.900608][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16162.900608][ T7704] [16162.902386][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16162.902386][ T7704] neigh_parms_alloc+0x1e5/0x510 [16162.902386][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16162.902386][ T7704] ipv6_find_idev+0x102/0x170 [16162.902386][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16162.902386][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16162.902386][ T7704] netlink_rcv_skb+0x130/0x360 [16162.902386][ T7704] netlink_unicast+0x449/0x710 [16162.902386][ T7704] netlink_sendmsg+0x723/0xbe0 [16162.902386][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16162.902386][ T7704] ___sys_sendmsg+0xee/0x170 [16162.902386][ T7704] __sys_sendmsg+0xcd/0x170 [16162.902386][ T7704] do_syscall_64+0xc6/0x1e0 [16162.902386][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16162.902386][ T7704] [16173.140891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16173.141662][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16173.141662][ T7704] netdev_get_by_index+0x5e/0x80 [16173.141662][ T7704] fib6_nh_init+0x3d8/0x15b0 [16173.141662][ T7704] ip6_route_info_create+0xf18/0x17d0 [16173.141662][ T7704] ip6_route_add+0x1c/0x140 [16173.141662][ T7704] addrconf_prefix_route+0x2a6/0x430 [16173.141662][ T7704] inet6_addr_add+0x4f8/0xa40 [16173.141662][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16173.141662][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16173.141662][ T7704] netlink_rcv_skb+0x130/0x360 [16173.141662][ T7704] netlink_unicast+0x449/0x710 [16173.141662][ T7704] netlink_sendmsg+0x723/0xbe0 [16173.141662][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16173.141662][ T7704] ___sys_sendmsg+0xee/0x170 [16173.141662][ T7704] __sys_sendmsg+0xcd/0x170 [16173.141662][ T7704] do_syscall_64+0xc6/0x1e0 [16173.141662][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16173.141662][ T7704] [16173.143899][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16173.143899][ T7704] netdev_get_by_index+0x5e/0x80 [16173.143899][ T7704] fib6_nh_init+0x3d8/0x15b0 [16173.143899][ T7704] ip6_route_info_create+0xf18/0x17d0 [16173.143899][ T7704] addrconf_f6i_alloc+0x315/0x560 [16173.143899][ T7704] ipv6_add_addr+0x411/0x2000 [16173.143899][ T7704] inet6_addr_add+0x30e/0xa40 [16173.143899][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16173.143899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16173.143899][ T7704] netlink_rcv_skb+0x130/0x360 [16173.143899][ T7704] netlink_unicast+0x449/0x710 [16173.143899][ T7704] netlink_sendmsg+0x723/0xbe0 [16173.143899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16173.143899][ T7704] ___sys_sendmsg+0xee/0x170 [16173.143899][ T7704] __sys_sendmsg+0xcd/0x170 [16173.143899][ T7704] do_syscall_64+0xc6/0x1e0 [16173.143899][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16173.143899][ T7704] [16173.146170][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16173.146170][ T7704] netdev_get_by_index+0x5e/0x80 [16173.146170][ T7704] fib6_nh_init+0x3d8/0x15b0 [16173.146170][ T7704] ip6_route_info_create+0xf18/0x17d0 [16173.146170][ T7704] ip6_route_add+0x1c/0x140 [16173.146170][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16173.146170][ T7704] addrconf_add_dev+0xe2/0x170 [16173.146170][ T7704] inet6_addr_add+0x12f/0xa40 [16173.146170][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16173.146170][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16173.146170][ T7704] netlink_rcv_skb+0x130/0x360 [16173.146170][ T7704] netlink_unicast+0x449/0x710 [16173.146170][ T7704] netlink_sendmsg+0x723/0xbe0 [16173.146170][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16173.146170][ T7704] ___sys_sendmsg+0xee/0x170 [16173.146170][ T7704] __sys_sendmsg+0xcd/0x170 [16173.146170][ T7704] do_syscall_64+0xc6/0x1e0 [16173.146170][ T7704] [16173.148325][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16173.148325][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16173.148325][ T7704] ipv6_find_idev+0x102/0x170 [16173.148325][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16173.148325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16173.148325][ T7704] netlink_rcv_skb+0x130/0x360 [16173.148325][ T7704] netlink_unicast+0x449/0x710 [16173.148325][ T7704] netlink_sendmsg+0x723/0xbe0 [16173.148325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16173.148325][ T7704] ___sys_sendmsg+0xee/0x170 [16173.148325][ T7704] __sys_sendmsg+0xcd/0x170 [16173.148325][ T7704] do_syscall_64+0xc6/0x1e0 [16173.148325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16173.148325][ T7704] [16173.150004][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16173.150004][ T7704] neigh_parms_alloc+0x1e5/0x510 [16173.150004][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16173.150004][ T7704] ipv6_find_idev+0x102/0x170 [16173.150004][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16173.150004][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16173.150004][ T7704] netlink_rcv_skb+0x130/0x360 [16173.150004][ T7704] netlink_unicast+0x449/0x710 [16173.150004][ T7704] netlink_sendmsg+0x723/0xbe0 [16173.150004][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16173.150004][ T7704] ___sys_sendmsg+0xee/0x170 [16173.150004][ T7704] __sys_sendmsg+0xcd/0x170 [16173.150004][ T7704] do_syscall_64+0xc6/0x1e0 [16173.150004][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16173.150004][ T7704] [16183.388883][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16183.389656][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16183.389656][ T7704] netdev_get_by_index+0x5e/0x80 [16183.389656][ T7704] fib6_nh_init+0x3d8/0x15b0 [16183.389656][ T7704] ip6_route_info_create+0xf18/0x17d0 [16183.389656][ T7704] ip6_route_add+0x1c/0x140 [16183.389656][ T7704] addrconf_prefix_route+0x2a6/0x430 [16183.389656][ T7704] inet6_addr_add+0x4f8/0xa40 [16183.389656][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16183.389656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16183.389656][ T7704] netlink_rcv_skb+0x130/0x360 [16183.389656][ T7704] netlink_unicast+0x449/0x710 [16183.389656][ T7704] netlink_sendmsg+0x723/0xbe0 [16183.389656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16183.389656][ T7704] ___sys_sendmsg+0xee/0x170 [16183.389656][ T7704] __sys_sendmsg+0xcd/0x170 [16183.389656][ T7704] do_syscall_64+0xc6/0x1e0 [16183.389656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16183.389656][ T7704] [16183.392272][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16183.392272][ T7704] netdev_get_by_index+0x5e/0x80 [16183.392272][ T7704] fib6_nh_init+0x3d8/0x15b0 [16183.392272][ T7704] ip6_route_info_create+0xf18/0x17d0 [16183.392272][ T7704] addrconf_f6i_alloc+0x315/0x560 [16183.392272][ T7704] ipv6_add_addr+0x411/0x2000 [16183.392272][ T7704] inet6_addr_add+0x30e/0xa40 [16183.392272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16183.392272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16183.392272][ T7704] netlink_rcv_skb+0x130/0x360 [16183.392272][ T7704] netlink_unicast+0x449/0x710 [16183.392272][ T7704] netlink_sendmsg+0x723/0xbe0 [16183.392272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16183.392272][ T7704] ___sys_sendmsg+0xee/0x170 [16183.392272][ T7704] __sys_sendmsg+0xcd/0x170 [16183.392272][ T7704] do_syscall_64+0xc6/0x1e0 [16183.392272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16183.392272][ T7704] [16183.394805][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16183.394805][ T7704] netdev_get_by_index+0x5e/0x80 [16183.394805][ T7704] fib6_nh_init+0x3d8/0x15b0 [16183.394805][ T7704] ip6_route_info_create+0xf18/0x17d0 [16183.394805][ T7704] ip6_route_add+0x1c/0x140 [16183.394805][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16183.394805][ T7704] addrconf_add_dev+0xe2/0x170 [16183.394805][ T7704] inet6_addr_add+0x12f/0xa40 [16183.394805][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16183.394805][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16183.394805][ T7704] netlink_rcv_skb+0x130/0x360 [16183.394805][ T7704] netlink_unicast+0x449/0x710 [16183.394805][ T7704] netlink_sendmsg+0x723/0xbe0 [16183.394805][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16183.394805][ T7704] ___sys_sendmsg+0xee/0x170 [16183.394805][ T7704] __sys_sendmsg+0xcd/0x170 [16183.394805][ T7704] do_syscall_64+0xc6/0x1e0 [16183.394805][ T7704] [16183.397425][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16183.397425][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16183.397425][ T7704] ipv6_find_idev+0x102/0x170 [16183.397425][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16183.397425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16183.397425][ T7704] netlink_rcv_skb+0x130/0x360 [16183.397425][ T7704] netlink_unicast+0x449/0x710 [16183.397425][ T7704] netlink_sendmsg+0x723/0xbe0 [16183.397425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16183.397425][ T7704] ___sys_sendmsg+0xee/0x170 [16183.397425][ T7704] __sys_sendmsg+0xcd/0x170 [16183.397425][ T7704] do_syscall_64+0xc6/0x1e0 [16183.397425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16183.397425][ T7704] [16183.399409][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16183.399409][ T7704] neigh_parms_alloc+0x1e5/0x510 [16183.399409][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16183.399409][ T7704] ipv6_find_idev+0x102/0x170 [16183.399409][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16183.399409][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16183.399409][ T7704] netlink_rcv_skb+0x130/0x360 [16183.399409][ T7704] netlink_unicast+0x449/0x710 [16183.399409][ T7704] netlink_sendmsg+0x723/0xbe0 [16183.399409][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16183.399409][ T7704] ___sys_sendmsg+0xee/0x170 [16183.399409][ T7704] __sys_sendmsg+0xcd/0x170 [16183.399409][ T7704] do_syscall_64+0xc6/0x1e0 [16183.399409][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16183.399409][ T7704] [16193.636829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16193.637382][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16193.637382][ T7704] netdev_get_by_index+0x5e/0x80 [16193.637382][ T7704] fib6_nh_init+0x3d8/0x15b0 [16193.637382][ T7704] ip6_route_info_create+0xf18/0x17d0 [16193.637382][ T7704] ip6_route_add+0x1c/0x140 [16193.637382][ T7704] addrconf_prefix_route+0x2a6/0x430 [16193.637382][ T7704] inet6_addr_add+0x4f8/0xa40 [16193.637382][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16193.637382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16193.637382][ T7704] netlink_rcv_skb+0x130/0x360 [16193.637382][ T7704] netlink_unicast+0x449/0x710 [16193.637382][ T7704] netlink_sendmsg+0x723/0xbe0 [16193.637382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16193.637382][ T7704] ___sys_sendmsg+0xee/0x170 [16193.637382][ T7704] __sys_sendmsg+0xcd/0x170 [16193.637382][ T7704] do_syscall_64+0xc6/0x1e0 [16193.637382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16193.637382][ T7704] [16193.639647][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16193.639647][ T7704] netdev_get_by_index+0x5e/0x80 [16193.639647][ T7704] fib6_nh_init+0x3d8/0x15b0 [16193.639647][ T7704] ip6_route_info_create+0xf18/0x17d0 [16193.639647][ T7704] addrconf_f6i_alloc+0x315/0x560 [16193.639647][ T7704] ipv6_add_addr+0x411/0x2000 [16193.639647][ T7704] inet6_addr_add+0x30e/0xa40 [16193.639647][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16193.639647][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16193.639647][ T7704] netlink_rcv_skb+0x130/0x360 [16193.639647][ T7704] netlink_unicast+0x449/0x710 [16193.639647][ T7704] netlink_sendmsg+0x723/0xbe0 [16193.639647][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16193.639647][ T7704] ___sys_sendmsg+0xee/0x170 [16193.639647][ T7704] __sys_sendmsg+0xcd/0x170 [16193.639647][ T7704] do_syscall_64+0xc6/0x1e0 [16193.639647][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16193.639647][ T7704] [16193.641972][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16193.641972][ T7704] netdev_get_by_index+0x5e/0x80 [16193.641972][ T7704] fib6_nh_init+0x3d8/0x15b0 [16193.641972][ T7704] ip6_route_info_create+0xf18/0x17d0 [16193.641972][ T7704] ip6_route_add+0x1c/0x140 [16193.641972][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16193.641972][ T7704] addrconf_add_dev+0xe2/0x170 [16193.641972][ T7704] inet6_addr_add+0x12f/0xa40 [16193.641972][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16193.641972][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16193.641972][ T7704] netlink_rcv_skb+0x130/0x360 [16193.641972][ T7704] netlink_unicast+0x449/0x710 [16193.641972][ T7704] netlink_sendmsg+0x723/0xbe0 [16193.641972][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16193.641972][ T7704] ___sys_sendmsg+0xee/0x170 [16193.641972][ T7704] __sys_sendmsg+0xcd/0x170 [16193.641972][ T7704] do_syscall_64+0xc6/0x1e0 [16193.641972][ T7704] [16193.644133][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16193.644133][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16193.644133][ T7704] ipv6_find_idev+0x102/0x170 [16193.644133][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16193.644133][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16193.644133][ T7704] netlink_rcv_skb+0x130/0x360 [16193.644133][ T7704] netlink_unicast+0x449/0x710 [16193.644133][ T7704] netlink_sendmsg+0x723/0xbe0 [16193.644133][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16193.644133][ T7704] ___sys_sendmsg+0xee/0x170 [16193.644133][ T7704] __sys_sendmsg+0xcd/0x170 [16193.644133][ T7704] do_syscall_64+0xc6/0x1e0 [16193.644133][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16193.644133][ T7704] [16193.646015][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16193.646015][ T7704] neigh_parms_alloc+0x1e5/0x510 [16193.646015][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16193.646015][ T7704] ipv6_find_idev+0x102/0x170 [16193.646015][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16193.646015][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16193.646015][ T7704] netlink_rcv_skb+0x130/0x360 [16193.646015][ T7704] netlink_unicast+0x449/0x710 [16193.646015][ T7704] netlink_sendmsg+0x723/0xbe0 [16193.646015][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16193.646015][ T7704] ___sys_sendmsg+0xee/0x170 [16193.646015][ T7704] __sys_sendmsg+0xcd/0x170 [16193.646015][ T7704] do_syscall_64+0xc6/0x1e0 [16193.646015][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16193.646015][ T7704] [16203.740838][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16203.741322][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16203.741322][ T7704] netdev_get_by_index+0x5e/0x80 [16203.741322][ T7704] fib6_nh_init+0x3d8/0x15b0 [16203.741322][ T7704] ip6_route_info_create+0xf18/0x17d0 [16203.741322][ T7704] ip6_route_add+0x1c/0x140 [16203.741322][ T7704] addrconf_prefix_route+0x2a6/0x430 [16203.741322][ T7704] inet6_addr_add+0x4f8/0xa40 [16203.741322][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16203.741322][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16203.741322][ T7704] netlink_rcv_skb+0x130/0x360 [16203.741322][ T7704] netlink_unicast+0x449/0x710 [16203.741322][ T7704] netlink_sendmsg+0x723/0xbe0 [16203.741322][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16203.741322][ T7704] ___sys_sendmsg+0xee/0x170 [16203.741322][ T7704] __sys_sendmsg+0xcd/0x170 [16203.741322][ T7704] do_syscall_64+0xc6/0x1e0 [16203.741322][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16203.741322][ T7704] [16203.743586][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16203.743586][ T7704] netdev_get_by_index+0x5e/0x80 [16203.743586][ T7704] fib6_nh_init+0x3d8/0x15b0 [16203.743586][ T7704] ip6_route_info_create+0xf18/0x17d0 [16203.743586][ T7704] addrconf_f6i_alloc+0x315/0x560 [16203.743586][ T7704] ipv6_add_addr+0x411/0x2000 [16203.743586][ T7704] inet6_addr_add+0x30e/0xa40 [16203.743586][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16203.743586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16203.743586][ T7704] netlink_rcv_skb+0x130/0x360 [16203.743586][ T7704] netlink_unicast+0x449/0x710 [16203.743586][ T7704] netlink_sendmsg+0x723/0xbe0 [16203.743586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16203.743586][ T7704] ___sys_sendmsg+0xee/0x170 [16203.743586][ T7704] __sys_sendmsg+0xcd/0x170 [16203.743586][ T7704] do_syscall_64+0xc6/0x1e0 [16203.743586][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16203.743586][ T7704] [16203.745860][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16203.745860][ T7704] netdev_get_by_index+0x5e/0x80 [16203.745860][ T7704] fib6_nh_init+0x3d8/0x15b0 [16203.745860][ T7704] ip6_route_info_create+0xf18/0x17d0 [16203.745860][ T7704] ip6_route_add+0x1c/0x140 [16203.745860][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16203.745860][ T7704] addrconf_add_dev+0xe2/0x170 [16203.745860][ T7704] inet6_addr_add+0x12f/0xa40 [16203.745860][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16203.745860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16203.745860][ T7704] netlink_rcv_skb+0x130/0x360 [16203.745860][ T7704] netlink_unicast+0x449/0x710 [16203.745860][ T7704] netlink_sendmsg+0x723/0xbe0 [16203.745860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16203.745860][ T7704] ___sys_sendmsg+0xee/0x170 [16203.745860][ T7704] __sys_sendmsg+0xcd/0x170 [16203.745860][ T7704] do_syscall_64+0xc6/0x1e0 [16203.745860][ T7704] [16203.747942][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16203.747942][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16203.747942][ T7704] ipv6_find_idev+0x102/0x170 [16203.747942][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16203.747942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16203.747942][ T7704] netlink_rcv_skb+0x130/0x360 [16203.747942][ T7704] netlink_unicast+0x449/0x710 [16203.747942][ T7704] netlink_sendmsg+0x723/0xbe0 [16203.747942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16203.747942][ T7704] ___sys_sendmsg+0xee/0x170 [16203.747942][ T7704] __sys_sendmsg+0xcd/0x170 [16203.747942][ T7704] do_syscall_64+0xc6/0x1e0 [16203.747942][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16203.747942][ T7704] [16203.749652][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16203.749652][ T7704] neigh_parms_alloc+0x1e5/0x510 [16203.749652][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16203.749652][ T7704] ipv6_find_idev+0x102/0x170 [16203.749652][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16203.749652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16203.749652][ T7704] netlink_rcv_skb+0x130/0x360 [16203.749652][ T7704] netlink_unicast+0x449/0x710 [16203.749652][ T7704] netlink_sendmsg+0x723/0xbe0 [16203.749652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16203.749652][ T7704] ___sys_sendmsg+0xee/0x170 [16203.749652][ T7704] __sys_sendmsg+0xcd/0x170 [16203.749652][ T7704] do_syscall_64+0xc6/0x1e0 [16203.749652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16203.749652][ T7704] [16213.860899][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16213.861912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16213.861912][ T7704] netdev_get_by_index+0x5e/0x80 [16213.861912][ T7704] fib6_nh_init+0x3d8/0x15b0 [16213.861912][ T7704] ip6_route_info_create+0xf18/0x17d0 [16213.861912][ T7704] ip6_route_add+0x1c/0x140 [16213.861912][ T7704] addrconf_prefix_route+0x2a6/0x430 [16213.861912][ T7704] inet6_addr_add+0x4f8/0xa40 [16213.861912][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16213.861912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16213.861912][ T7704] netlink_rcv_skb+0x130/0x360 [16213.861912][ T7704] netlink_unicast+0x449/0x710 [16213.861912][ T7704] netlink_sendmsg+0x723/0xbe0 [16213.861912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16213.861912][ T7704] ___sys_sendmsg+0xee/0x170 [16213.861912][ T7704] __sys_sendmsg+0xcd/0x170 [16213.861912][ T7704] do_syscall_64+0xc6/0x1e0 [16213.861912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16213.861912][ T7704] [16213.864119][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16213.864119][ T7704] netdev_get_by_index+0x5e/0x80 [16213.864119][ T7704] fib6_nh_init+0x3d8/0x15b0 [16213.864119][ T7704] ip6_route_info_create+0xf18/0x17d0 [16213.864119][ T7704] addrconf_f6i_alloc+0x315/0x560 [16213.864119][ T7704] ipv6_add_addr+0x411/0x2000 [16213.864119][ T7704] inet6_addr_add+0x30e/0xa40 [16213.864119][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16213.864119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16213.864119][ T7704] netlink_rcv_skb+0x130/0x360 [16213.864119][ T7704] netlink_unicast+0x449/0x710 [16213.864119][ T7704] netlink_sendmsg+0x723/0xbe0 [16213.864119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16213.864119][ T7704] ___sys_sendmsg+0xee/0x170 [16213.864119][ T7704] __sys_sendmsg+0xcd/0x170 [16213.864119][ T7704] do_syscall_64+0xc6/0x1e0 [16213.864119][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16213.864119][ T7704] [16213.866262][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16213.866262][ T7704] netdev_get_by_index+0x5e/0x80 [16213.866262][ T7704] fib6_nh_init+0x3d8/0x15b0 [16213.866262][ T7704] ip6_route_info_create+0xf18/0x17d0 [16213.866262][ T7704] ip6_route_add+0x1c/0x140 [16213.866262][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16213.866262][ T7704] addrconf_add_dev+0xe2/0x170 [16213.866262][ T7704] inet6_addr_add+0x12f/0xa40 [16213.866262][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16213.866262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16213.866262][ T7704] netlink_rcv_skb+0x130/0x360 [16213.866262][ T7704] netlink_unicast+0x449/0x710 [16213.866262][ T7704] netlink_sendmsg+0x723/0xbe0 [16213.866262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16213.866262][ T7704] ___sys_sendmsg+0xee/0x170 [16213.866262][ T7704] __sys_sendmsg+0xcd/0x170 [16213.866262][ T7704] do_syscall_64+0xc6/0x1e0 [16213.866262][ T7704] [16213.868438][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16213.868438][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16213.868438][ T7704] ipv6_find_idev+0x102/0x170 [16213.868438][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16213.868438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16213.868438][ T7704] netlink_rcv_skb+0x130/0x360 [16213.868438][ T7704] netlink_unicast+0x449/0x710 [16213.868438][ T7704] netlink_sendmsg+0x723/0xbe0 [16213.868438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16213.868438][ T7704] ___sys_sendmsg+0xee/0x170 [16213.868438][ T7704] __sys_sendmsg+0xcd/0x170 [16213.868438][ T7704] do_syscall_64+0xc6/0x1e0 [16213.868438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16213.868438][ T7704] [16213.870228][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16213.870228][ T7704] neigh_parms_alloc+0x1e5/0x510 [16213.870228][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16213.870228][ T7704] ipv6_find_idev+0x102/0x170 [16213.870228][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16213.870228][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16213.870228][ T7704] netlink_rcv_skb+0x130/0x360 [16213.870228][ T7704] netlink_unicast+0x449/0x710 [16213.870228][ T7704] netlink_sendmsg+0x723/0xbe0 [16213.870228][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16213.870228][ T7704] ___sys_sendmsg+0xee/0x170 [16213.870228][ T7704] __sys_sendmsg+0xcd/0x170 [16213.870228][ T7704] do_syscall_64+0xc6/0x1e0 [16213.870228][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16213.870228][ T7704] [16223.996913][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16223.997866][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16223.997866][ T7704] netdev_get_by_index+0x5e/0x80 [16223.997866][ T7704] fib6_nh_init+0x3d8/0x15b0 [16223.997866][ T7704] ip6_route_info_create+0xf18/0x17d0 [16223.997866][ T7704] ip6_route_add+0x1c/0x140 [16223.997866][ T7704] addrconf_prefix_route+0x2a6/0x430 [16223.997866][ T7704] inet6_addr_add+0x4f8/0xa40 [16223.997866][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16223.997866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16223.997866][ T7704] netlink_rcv_skb+0x130/0x360 [16223.997866][ T7704] netlink_unicast+0x449/0x710 [16223.997866][ T7704] netlink_sendmsg+0x723/0xbe0 [16223.997866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16223.997866][ T7704] ___sys_sendmsg+0xee/0x170 [16223.997866][ T7704] __sys_sendmsg+0xcd/0x170 [16223.997866][ T7704] do_syscall_64+0xc6/0x1e0 [16223.997866][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16223.997866][ T7704] [16224.000007][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16224.000007][ T7704] netdev_get_by_index+0x5e/0x80 [16224.000007][ T7704] fib6_nh_init+0x3d8/0x15b0 [16224.000007][ T7704] ip6_route_info_create+0xf18/0x17d0 [16224.000007][ T7704] addrconf_f6i_alloc+0x315/0x560 [16224.000007][ T7704] ipv6_add_addr+0x411/0x2000 [16224.000007][ T7704] inet6_addr_add+0x30e/0xa40 [16224.000007][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16224.000007][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16224.000007][ T7704] netlink_rcv_skb+0x130/0x360 [16224.000007][ T7704] netlink_unicast+0x449/0x710 [16224.000007][ T7704] netlink_sendmsg+0x723/0xbe0 [16224.000007][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16224.000007][ T7704] ___sys_sendmsg+0xee/0x170 [16224.000007][ T7704] __sys_sendmsg+0xcd/0x170 [16224.000007][ T7704] do_syscall_64+0xc6/0x1e0 [16224.000007][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16224.000007][ T7704] [16224.002265][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16224.002265][ T7704] netdev_get_by_index+0x5e/0x80 [16224.002265][ T7704] fib6_nh_init+0x3d8/0x15b0 [16224.002265][ T7704] ip6_route_info_create+0xf18/0x17d0 [16224.002265][ T7704] ip6_route_add+0x1c/0x140 [16224.002265][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16224.002265][ T7704] addrconf_add_dev+0xe2/0x170 [16224.002265][ T7704] inet6_addr_add+0x12f/0xa40 [16224.002265][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16224.002265][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16224.002265][ T7704] netlink_rcv_skb+0x130/0x360 [16224.002265][ T7704] netlink_unicast+0x449/0x710 [16224.002265][ T7704] netlink_sendmsg+0x723/0xbe0 [16224.002265][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16224.002265][ T7704] ___sys_sendmsg+0xee/0x170 [16224.002265][ T7704] __sys_sendmsg+0xcd/0x170 [16224.002265][ T7704] do_syscall_64+0xc6/0x1e0 [16224.002265][ T7704] [16224.004456][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16224.004456][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16224.004456][ T7704] ipv6_find_idev+0x102/0x170 [16224.004456][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16224.004456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16224.004456][ T7704] netlink_rcv_skb+0x130/0x360 [16224.004456][ T7704] netlink_unicast+0x449/0x710 [16224.004456][ T7704] netlink_sendmsg+0x723/0xbe0 [16224.004456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16224.004456][ T7704] ___sys_sendmsg+0xee/0x170 [16224.004456][ T7704] __sys_sendmsg+0xcd/0x170 [16224.004456][ T7704] do_syscall_64+0xc6/0x1e0 [16224.004456][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16224.004456][ T7704] [16224.006695][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16224.006695][ T7704] neigh_parms_alloc+0x1e5/0x510 [16224.006695][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16224.006695][ T7704] ipv6_find_idev+0x102/0x170 [16224.006695][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16224.006695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16224.006695][ T7704] netlink_rcv_skb+0x130/0x360 [16224.006695][ T7704] netlink_unicast+0x449/0x710 [16224.006695][ T7704] netlink_sendmsg+0x723/0xbe0 [16224.006695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16224.006695][ T7704] ___sys_sendmsg+0xee/0x170 [16224.006695][ T7704] __sys_sendmsg+0xcd/0x170 [16224.006695][ T7704] do_syscall_64+0xc6/0x1e0 [16224.006695][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16224.006695][ T7704] [16234.116830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16234.117435][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16234.117435][ T7704] netdev_get_by_index+0x5e/0x80 [16234.117435][ T7704] fib6_nh_init+0x3d8/0x15b0 [16234.117435][ T7704] ip6_route_info_create+0xf18/0x17d0 [16234.117435][ T7704] ip6_route_add+0x1c/0x140 [16234.117435][ T7704] addrconf_prefix_route+0x2a6/0x430 [16234.117435][ T7704] inet6_addr_add+0x4f8/0xa40 [16234.117435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16234.117435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16234.117435][ T7704] netlink_rcv_skb+0x130/0x360 [16234.117435][ T7704] netlink_unicast+0x449/0x710 [16234.117435][ T7704] netlink_sendmsg+0x723/0xbe0 [16234.117435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16234.117435][ T7704] ___sys_sendmsg+0xee/0x170 [16234.117435][ T7704] __sys_sendmsg+0xcd/0x170 [16234.117435][ T7704] do_syscall_64+0xc6/0x1e0 [16234.117435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16234.117435][ T7704] [16234.119769][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16234.119769][ T7704] netdev_get_by_index+0x5e/0x80 [16234.119769][ T7704] fib6_nh_init+0x3d8/0x15b0 [16234.119769][ T7704] ip6_route_info_create+0xf18/0x17d0 [16234.119769][ T7704] addrconf_f6i_alloc+0x315/0x560 [16234.119769][ T7704] ipv6_add_addr+0x411/0x2000 [16234.119769][ T7704] inet6_addr_add+0x30e/0xa40 [16234.119769][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16234.119769][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16234.119769][ T7704] netlink_rcv_skb+0x130/0x360 [16234.119769][ T7704] netlink_unicast+0x449/0x710 [16234.119769][ T7704] netlink_sendmsg+0x723/0xbe0 [16234.119769][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16234.119769][ T7704] ___sys_sendmsg+0xee/0x170 [16234.119769][ T7704] __sys_sendmsg+0xcd/0x170 [16234.119769][ T7704] do_syscall_64+0xc6/0x1e0 [16234.119769][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16234.119769][ T7704] [16234.122106][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16234.122106][ T7704] netdev_get_by_index+0x5e/0x80 [16234.122106][ T7704] fib6_nh_init+0x3d8/0x15b0 [16234.122106][ T7704] ip6_route_info_create+0xf18/0x17d0 [16234.122106][ T7704] ip6_route_add+0x1c/0x140 [16234.122106][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16234.122106][ T7704] addrconf_add_dev+0xe2/0x170 [16234.122106][ T7704] inet6_addr_add+0x12f/0xa40 [16234.122106][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16234.122106][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16234.122106][ T7704] netlink_rcv_skb+0x130/0x360 [16234.122106][ T7704] netlink_unicast+0x449/0x710 [16234.122106][ T7704] netlink_sendmsg+0x723/0xbe0 [16234.122106][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16234.122106][ T7704] ___sys_sendmsg+0xee/0x170 [16234.122106][ T7704] __sys_sendmsg+0xcd/0x170 [16234.122106][ T7704] do_syscall_64+0xc6/0x1e0 [16234.122106][ T7704] [16234.124395][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16234.124395][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16234.124395][ T7704] ipv6_find_idev+0x102/0x170 [16234.124395][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16234.124395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16234.124395][ T7704] netlink_rcv_skb+0x130/0x360 [16234.124395][ T7704] netlink_unicast+0x449/0x710 [16234.124395][ T7704] netlink_sendmsg+0x723/0xbe0 [16234.124395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16234.124395][ T7704] ___sys_sendmsg+0xee/0x170 [16234.124395][ T7704] __sys_sendmsg+0xcd/0x170 [16234.124395][ T7704] do_syscall_64+0xc6/0x1e0 [16234.124395][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16234.124395][ T7704] [16234.126240][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16234.126240][ T7704] neigh_parms_alloc+0x1e5/0x510 [16234.126240][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16234.126240][ T7704] ipv6_find_idev+0x102/0x170 [16234.126240][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16234.126240][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16234.126240][ T7704] netlink_rcv_skb+0x130/0x360 [16234.126240][ T7704] netlink_unicast+0x449/0x710 [16234.126240][ T7704] netlink_sendmsg+0x723/0xbe0 [16234.126240][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16234.126240][ T7704] ___sys_sendmsg+0xee/0x170 [16234.126240][ T7704] __sys_sendmsg+0xcd/0x170 [16234.126240][ T7704] do_syscall_64+0xc6/0x1e0 [16234.126240][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16234.126240][ T7704] [16244.364836][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16244.365446][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16244.365446][ T7704] netdev_get_by_index+0x5e/0x80 [16244.365446][ T7704] fib6_nh_init+0x3d8/0x15b0 [16244.365446][ T7704] ip6_route_info_create+0xf18/0x17d0 [16244.365446][ T7704] ip6_route_add+0x1c/0x140 [16244.365446][ T7704] addrconf_prefix_route+0x2a6/0x430 [16244.365446][ T7704] inet6_addr_add+0x4f8/0xa40 [16244.365446][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16244.365446][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16244.365446][ T7704] netlink_rcv_skb+0x130/0x360 [16244.365446][ T7704] netlink_unicast+0x449/0x710 [16244.365446][ T7704] netlink_sendmsg+0x723/0xbe0 [16244.365446][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16244.365446][ T7704] ___sys_sendmsg+0xee/0x170 [16244.365446][ T7704] __sys_sendmsg+0xcd/0x170 [16244.365446][ T7704] do_syscall_64+0xc6/0x1e0 [16244.365446][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16244.365446][ T7704] [16244.367927][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16244.367927][ T7704] netdev_get_by_index+0x5e/0x80 [16244.367927][ T7704] fib6_nh_init+0x3d8/0x15b0 [16244.367927][ T7704] ip6_route_info_create+0xf18/0x17d0 [16244.367927][ T7704] addrconf_f6i_alloc+0x315/0x560 [16244.367927][ T7704] ipv6_add_addr+0x411/0x2000 [16244.367927][ T7704] inet6_addr_add+0x30e/0xa40 [16244.367927][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16244.367927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16244.367927][ T7704] netlink_rcv_skb+0x130/0x360 [16244.367927][ T7704] netlink_unicast+0x449/0x710 [16244.367927][ T7704] netlink_sendmsg+0x723/0xbe0 [16244.367927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16244.367927][ T7704] ___sys_sendmsg+0xee/0x170 [16244.367927][ T7704] __sys_sendmsg+0xcd/0x170 [16244.367927][ T7704] do_syscall_64+0xc6/0x1e0 [16244.367927][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16244.367927][ T7704] [16244.370217][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16244.370217][ T7704] netdev_get_by_index+0x5e/0x80 [16244.370217][ T7704] fib6_nh_init+0x3d8/0x15b0 [16244.370217][ T7704] ip6_route_info_create+0xf18/0x17d0 [16244.370217][ T7704] ip6_route_add+0x1c/0x140 [16244.370217][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16244.370217][ T7704] addrconf_add_dev+0xe2/0x170 [16244.370217][ T7704] inet6_addr_add+0x12f/0xa40 [16244.370217][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16244.370217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16244.370217][ T7704] netlink_rcv_skb+0x130/0x360 [16244.370217][ T7704] netlink_unicast+0x449/0x710 [16244.370217][ T7704] netlink_sendmsg+0x723/0xbe0 [16244.370217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16244.370217][ T7704] ___sys_sendmsg+0xee/0x170 [16244.370217][ T7704] __sys_sendmsg+0xcd/0x170 [16244.370217][ T7704] do_syscall_64+0xc6/0x1e0 [16244.370217][ T7704] [16244.372453][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16244.372453][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16244.372453][ T7704] ipv6_find_idev+0x102/0x170 [16244.372453][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16244.372453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16244.372453][ T7704] netlink_rcv_skb+0x130/0x360 [16244.372453][ T7704] netlink_unicast+0x449/0x710 [16244.372453][ T7704] netlink_sendmsg+0x723/0xbe0 [16244.372453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16244.372453][ T7704] ___sys_sendmsg+0xee/0x170 [16244.372453][ T7704] __sys_sendmsg+0xcd/0x170 [16244.372453][ T7704] do_syscall_64+0xc6/0x1e0 [16244.372453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16244.372453][ T7704] [16244.374233][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16244.374233][ T7704] neigh_parms_alloc+0x1e5/0x510 [16244.374233][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16244.374233][ T7704] ipv6_find_idev+0x102/0x170 [16244.374233][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16244.374233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16244.374233][ T7704] netlink_rcv_skb+0x130/0x360 [16244.374233][ T7704] netlink_unicast+0x449/0x710 [16244.374233][ T7704] netlink_sendmsg+0x723/0xbe0 [16244.374233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16244.374233][ T7704] ___sys_sendmsg+0xee/0x170 [16244.374233][ T7704] __sys_sendmsg+0xcd/0x170 [16244.374233][ T7704] do_syscall_64+0xc6/0x1e0 [16244.374233][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16244.374233][ T7704] [16254.612829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16254.613333][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16254.613333][ T7704] netdev_get_by_index+0x5e/0x80 [16254.613333][ T7704] fib6_nh_init+0x3d8/0x15b0 [16254.613333][ T7704] ip6_route_info_create+0xf18/0x17d0 [16254.613333][ T7704] ip6_route_add+0x1c/0x140 [16254.613333][ T7704] addrconf_prefix_route+0x2a6/0x430 [16254.613333][ T7704] inet6_addr_add+0x4f8/0xa40 [16254.613333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16254.613333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16254.613333][ T7704] netlink_rcv_skb+0x130/0x360 [16254.613333][ T7704] netlink_unicast+0x449/0x710 [16254.613333][ T7704] netlink_sendmsg+0x723/0xbe0 [16254.613333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16254.613333][ T7704] ___sys_sendmsg+0xee/0x170 [16254.613333][ T7704] __sys_sendmsg+0xcd/0x170 [16254.613333][ T7704] do_syscall_64+0xc6/0x1e0 [16254.613333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16254.613333][ T7704] [16254.615826][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16254.615826][ T7704] netdev_get_by_index+0x5e/0x80 [16254.615826][ T7704] fib6_nh_init+0x3d8/0x15b0 [16254.615826][ T7704] ip6_route_info_create+0xf18/0x17d0 [16254.615826][ T7704] addrconf_f6i_alloc+0x315/0x560 [16254.615826][ T7704] ipv6_add_addr+0x411/0x2000 [16254.615826][ T7704] inet6_addr_add+0x30e/0xa40 [16254.615826][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16254.615826][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16254.615826][ T7704] netlink_rcv_skb+0x130/0x360 [16254.615826][ T7704] netlink_unicast+0x449/0x710 [16254.615826][ T7704] netlink_sendmsg+0x723/0xbe0 [16254.615826][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16254.615826][ T7704] ___sys_sendmsg+0xee/0x170 [16254.615826][ T7704] __sys_sendmsg+0xcd/0x170 [16254.615826][ T7704] do_syscall_64+0xc6/0x1e0 [16254.615826][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16254.615826][ T7704] [16254.618311][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16254.618311][ T7704] netdev_get_by_index+0x5e/0x80 [16254.618311][ T7704] fib6_nh_init+0x3d8/0x15b0 [16254.618311][ T7704] ip6_route_info_create+0xf18/0x17d0 [16254.618311][ T7704] ip6_route_add+0x1c/0x140 [16254.618311][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16254.618311][ T7704] addrconf_add_dev+0xe2/0x170 [16254.618311][ T7704] inet6_addr_add+0x12f/0xa40 [16254.618311][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16254.618311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16254.618311][ T7704] netlink_rcv_skb+0x130/0x360 [16254.618311][ T7704] netlink_unicast+0x449/0x710 [16254.618311][ T7704] netlink_sendmsg+0x723/0xbe0 [16254.618311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16254.618311][ T7704] ___sys_sendmsg+0xee/0x170 [16254.618311][ T7704] __sys_sendmsg+0xcd/0x170 [16254.618311][ T7704] do_syscall_64+0xc6/0x1e0 [16254.618311][ T7704] [16254.620715][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16254.620715][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16254.620715][ T7704] ipv6_find_idev+0x102/0x170 [16254.620715][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16254.620715][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16254.620715][ T7704] netlink_rcv_skb+0x130/0x360 [16254.620715][ T7704] netlink_unicast+0x449/0x710 [16254.620715][ T7704] netlink_sendmsg+0x723/0xbe0 [16254.620715][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16254.620715][ T7704] ___sys_sendmsg+0xee/0x170 [16254.620715][ T7704] __sys_sendmsg+0xcd/0x170 [16254.620715][ T7704] do_syscall_64+0xc6/0x1e0 [16254.620715][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16254.620715][ T7704] [16254.622591][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16254.622591][ T7704] neigh_parms_alloc+0x1e5/0x510 [16254.622591][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16254.622591][ T7704] ipv6_find_idev+0x102/0x170 [16254.622591][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16254.622591][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16254.622591][ T7704] netlink_rcv_skb+0x130/0x360 [16254.622591][ T7704] netlink_unicast+0x449/0x710 [16254.622591][ T7704] netlink_sendmsg+0x723/0xbe0 [16254.622591][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16254.622591][ T7704] ___sys_sendmsg+0xee/0x170 [16254.622591][ T7704] __sys_sendmsg+0xcd/0x170 [16254.622591][ T7704] do_syscall_64+0xc6/0x1e0 [16254.622591][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16254.622591][ T7704] [16264.860815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16264.861349][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16264.861349][ T7704] netdev_get_by_index+0x5e/0x80 [16264.861349][ T7704] fib6_nh_init+0x3d8/0x15b0 [16264.861349][ T7704] ip6_route_info_create+0xf18/0x17d0 [16264.861349][ T7704] ip6_route_add+0x1c/0x140 [16264.861349][ T7704] addrconf_prefix_route+0x2a6/0x430 [16264.861349][ T7704] inet6_addr_add+0x4f8/0xa40 [16264.861349][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16264.861349][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16264.861349][ T7704] netlink_rcv_skb+0x130/0x360 [16264.861349][ T7704] netlink_unicast+0x449/0x710 [16264.861349][ T7704] netlink_sendmsg+0x723/0xbe0 [16264.861349][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16264.861349][ T7704] ___sys_sendmsg+0xee/0x170 [16264.861349][ T7704] __sys_sendmsg+0xcd/0x170 [16264.861349][ T7704] do_syscall_64+0xc6/0x1e0 [16264.861349][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16264.861349][ T7704] [16264.863588][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16264.863588][ T7704] netdev_get_by_index+0x5e/0x80 [16264.863588][ T7704] fib6_nh_init+0x3d8/0x15b0 [16264.863588][ T7704] ip6_route_info_create+0xf18/0x17d0 [16264.863588][ T7704] addrconf_f6i_alloc+0x315/0x560 [16264.863588][ T7704] ipv6_add_addr+0x411/0x2000 [16264.863588][ T7704] inet6_addr_add+0x30e/0xa40 [16264.863588][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16264.863588][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16264.863588][ T7704] netlink_rcv_skb+0x130/0x360 [16264.863588][ T7704] netlink_unicast+0x449/0x710 [16264.863588][ T7704] netlink_sendmsg+0x723/0xbe0 [16264.863588][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16264.863588][ T7704] ___sys_sendmsg+0xee/0x170 [16264.863588][ T7704] __sys_sendmsg+0xcd/0x170 [16264.863588][ T7704] do_syscall_64+0xc6/0x1e0 [16264.863588][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16264.863588][ T7704] [16264.865781][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16264.865781][ T7704] netdev_get_by_index+0x5e/0x80 [16264.865781][ T7704] fib6_nh_init+0x3d8/0x15b0 [16264.865781][ T7704] ip6_route_info_create+0xf18/0x17d0 [16264.865781][ T7704] ip6_route_add+0x1c/0x140 [16264.865781][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16264.865781][ T7704] addrconf_add_dev+0xe2/0x170 [16264.865781][ T7704] inet6_addr_add+0x12f/0xa40 [16264.865781][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16264.865781][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16264.865781][ T7704] netlink_rcv_skb+0x130/0x360 [16264.865781][ T7704] netlink_unicast+0x449/0x710 [16264.865781][ T7704] netlink_sendmsg+0x723/0xbe0 [16264.865781][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16264.865781][ T7704] ___sys_sendmsg+0xee/0x170 [16264.865781][ T7704] __sys_sendmsg+0xcd/0x170 [16264.865781][ T7704] do_syscall_64+0xc6/0x1e0 [16264.865781][ T7704] [16264.867966][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16264.867966][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16264.867966][ T7704] ipv6_find_idev+0x102/0x170 [16264.867966][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16264.867966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16264.867966][ T7704] netlink_rcv_skb+0x130/0x360 [16264.867966][ T7704] netlink_unicast+0x449/0x710 [16264.867966][ T7704] netlink_sendmsg+0x723/0xbe0 [16264.867966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16264.867966][ T7704] ___sys_sendmsg+0xee/0x170 [16264.867966][ T7704] __sys_sendmsg+0xcd/0x170 [16264.867966][ T7704] do_syscall_64+0xc6/0x1e0 [16264.867966][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16264.867966][ T7704] [16264.869714][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16264.869714][ T7704] neigh_parms_alloc+0x1e5/0x510 [16264.869714][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16264.869714][ T7704] ipv6_find_idev+0x102/0x170 [16264.869714][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16264.869714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16264.869714][ T7704] netlink_rcv_skb+0x130/0x360 [16264.869714][ T7704] netlink_unicast+0x449/0x710 [16264.869714][ T7704] netlink_sendmsg+0x723/0xbe0 [16264.869714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16264.869714][ T7704] ___sys_sendmsg+0xee/0x170 [16264.869714][ T7704] __sys_sendmsg+0xcd/0x170 [16264.869714][ T7704] do_syscall_64+0xc6/0x1e0 [16264.869714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16264.869714][ T7704] [16274.940809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16274.941329][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16274.941329][ T7704] netdev_get_by_index+0x5e/0x80 [16274.941329][ T7704] fib6_nh_init+0x3d8/0x15b0 [16274.941329][ T7704] ip6_route_info_create+0xf18/0x17d0 [16274.941329][ T7704] ip6_route_add+0x1c/0x140 [16274.941329][ T7704] addrconf_prefix_route+0x2a6/0x430 [16274.941329][ T7704] inet6_addr_add+0x4f8/0xa40 [16274.941329][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16274.941329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16274.941329][ T7704] netlink_rcv_skb+0x130/0x360 [16274.941329][ T7704] netlink_unicast+0x449/0x710 [16274.941329][ T7704] netlink_sendmsg+0x723/0xbe0 [16274.941329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16274.941329][ T7704] ___sys_sendmsg+0xee/0x170 [16274.941329][ T7704] __sys_sendmsg+0xcd/0x170 [16274.941329][ T7704] do_syscall_64+0xc6/0x1e0 [16274.941329][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16274.941329][ T7704] [16274.943607][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16274.943607][ T7704] netdev_get_by_index+0x5e/0x80 [16274.943607][ T7704] fib6_nh_init+0x3d8/0x15b0 [16274.943607][ T7704] ip6_route_info_create+0xf18/0x17d0 [16274.943607][ T7704] addrconf_f6i_alloc+0x315/0x560 [16274.943607][ T7704] ipv6_add_addr+0x411/0x2000 [16274.943607][ T7704] inet6_addr_add+0x30e/0xa40 [16274.943607][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16274.943607][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16274.943607][ T7704] netlink_rcv_skb+0x130/0x360 [16274.943607][ T7704] netlink_unicast+0x449/0x710 [16274.943607][ T7704] netlink_sendmsg+0x723/0xbe0 [16274.943607][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16274.943607][ T7704] ___sys_sendmsg+0xee/0x170 [16274.943607][ T7704] __sys_sendmsg+0xcd/0x170 [16274.943607][ T7704] do_syscall_64+0xc6/0x1e0 [16274.943607][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16274.943607][ T7704] [16274.946411][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16274.946411][ T7704] netdev_get_by_index+0x5e/0x80 [16274.946411][ T7704] fib6_nh_init+0x3d8/0x15b0 [16274.946411][ T7704] ip6_route_info_create+0xf18/0x17d0 [16274.946411][ T7704] ip6_route_add+0x1c/0x140 [16274.946411][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16274.946411][ T7704] addrconf_add_dev+0xe2/0x170 [16274.946411][ T7704] inet6_addr_add+0x12f/0xa40 [16274.946411][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16274.946411][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16274.946411][ T7704] netlink_rcv_skb+0x130/0x360 [16274.946411][ T7704] netlink_unicast+0x449/0x710 [16274.946411][ T7704] netlink_sendmsg+0x723/0xbe0 [16274.946411][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16274.946411][ T7704] ___sys_sendmsg+0xee/0x170 [16274.946411][ T7704] __sys_sendmsg+0xcd/0x170 [16274.946411][ T7704] do_syscall_64+0xc6/0x1e0 [16274.946411][ T7704] [16274.948617][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16274.948617][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16274.948617][ T7704] ipv6_find_idev+0x102/0x170 [16274.948617][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16274.948617][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16274.948617][ T7704] netlink_rcv_skb+0x130/0x360 [16274.948617][ T7704] netlink_unicast+0x449/0x710 [16274.948617][ T7704] netlink_sendmsg+0x723/0xbe0 [16274.948617][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16274.948617][ T7704] ___sys_sendmsg+0xee/0x170 [16274.948617][ T7704] __sys_sendmsg+0xcd/0x170 [16274.948617][ T7704] do_syscall_64+0xc6/0x1e0 [16274.948617][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16274.948617][ T7704] [16274.950338][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16274.950338][ T7704] neigh_parms_alloc+0x1e5/0x510 [16274.950338][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16274.950338][ T7704] ipv6_find_idev+0x102/0x170 [16274.950338][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16274.950338][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16274.950338][ T7704] netlink_rcv_skb+0x130/0x360 [16274.950338][ T7704] netlink_unicast+0x449/0x710 [16274.950338][ T7704] netlink_sendmsg+0x723/0xbe0 [16274.950338][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16274.950338][ T7704] ___sys_sendmsg+0xee/0x170 [16274.950338][ T7704] __sys_sendmsg+0xcd/0x170 [16274.950338][ T7704] do_syscall_64+0xc6/0x1e0 [16274.950338][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16274.950338][ T7704] [16285.204916][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16285.205908][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16285.205908][ T7704] netdev_get_by_index+0x5e/0x80 [16285.205908][ T7704] fib6_nh_init+0x3d8/0x15b0 [16285.205908][ T7704] ip6_route_info_create+0xf18/0x17d0 [16285.205908][ T7704] ip6_route_add+0x1c/0x140 [16285.205908][ T7704] addrconf_prefix_route+0x2a6/0x430 [16285.205908][ T7704] inet6_addr_add+0x4f8/0xa40 [16285.205908][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16285.205908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16285.205908][ T7704] netlink_rcv_skb+0x130/0x360 [16285.205908][ T7704] netlink_unicast+0x449/0x710 [16285.205908][ T7704] netlink_sendmsg+0x723/0xbe0 [16285.205908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16285.205908][ T7704] ___sys_sendmsg+0xee/0x170 [16285.205908][ T7704] __sys_sendmsg+0xcd/0x170 [16285.205908][ T7704] do_syscall_64+0xc6/0x1e0 [16285.205908][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16285.205908][ T7704] [16285.208698][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16285.208698][ T7704] netdev_get_by_index+0x5e/0x80 [16285.208698][ T7704] fib6_nh_init+0x3d8/0x15b0 [16285.208698][ T7704] ip6_route_info_create+0xf18/0x17d0 [16285.208698][ T7704] addrconf_f6i_alloc+0x315/0x560 [16285.208698][ T7704] ipv6_add_addr+0x411/0x2000 [16285.208698][ T7704] inet6_addr_add+0x30e/0xa40 [16285.208698][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16285.208698][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16285.208698][ T7704] netlink_rcv_skb+0x130/0x360 [16285.208698][ T7704] netlink_unicast+0x449/0x710 [16285.208698][ T7704] netlink_sendmsg+0x723/0xbe0 [16285.208698][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16285.208698][ T7704] ___sys_sendmsg+0xee/0x170 [16285.208698][ T7704] __sys_sendmsg+0xcd/0x170 [16285.208698][ T7704] do_syscall_64+0xc6/0x1e0 [16285.208698][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16285.208698][ T7704] [16285.210881][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16285.210881][ T7704] netdev_get_by_index+0x5e/0x80 [16285.210881][ T7704] fib6_nh_init+0x3d8/0x15b0 [16285.210881][ T7704] ip6_route_info_create+0xf18/0x17d0 [16285.210881][ T7704] ip6_route_add+0x1c/0x140 [16285.210881][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16285.210881][ T7704] addrconf_add_dev+0xe2/0x170 [16285.210881][ T7704] inet6_addr_add+0x12f/0xa40 [16285.210881][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16285.210881][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16285.210881][ T7704] netlink_rcv_skb+0x130/0x360 [16285.210881][ T7704] netlink_unicast+0x449/0x710 [16285.210881][ T7704] netlink_sendmsg+0x723/0xbe0 [16285.210881][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16285.210881][ T7704] ___sys_sendmsg+0xee/0x170 [16285.210881][ T7704] __sys_sendmsg+0xcd/0x170 [16285.210881][ T7704] do_syscall_64+0xc6/0x1e0 [16285.210881][ T7704] [16285.213094][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16285.213094][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16285.213094][ T7704] ipv6_find_idev+0x102/0x170 [16285.213094][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16285.213094][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16285.213094][ T7704] netlink_rcv_skb+0x130/0x360 [16285.213094][ T7704] netlink_unicast+0x449/0x710 [16285.213094][ T7704] netlink_sendmsg+0x723/0xbe0 [16285.213094][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16285.213094][ T7704] ___sys_sendmsg+0xee/0x170 [16285.213094][ T7704] __sys_sendmsg+0xcd/0x170 [16285.213094][ T7704] do_syscall_64+0xc6/0x1e0 [16285.213094][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16285.213094][ T7704] [16285.214777][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16285.214777][ T7704] neigh_parms_alloc+0x1e5/0x510 [16285.214777][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16285.214777][ T7704] ipv6_find_idev+0x102/0x170 [16285.214777][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16285.214777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16285.214777][ T7704] netlink_rcv_skb+0x130/0x360 [16285.214777][ T7704] netlink_unicast+0x449/0x710 [16285.214777][ T7704] netlink_sendmsg+0x723/0xbe0 [16285.214777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16285.214777][ T7704] ___sys_sendmsg+0xee/0x170 [16285.214777][ T7704] __sys_sendmsg+0xcd/0x170 [16285.214777][ T7704] do_syscall_64+0xc6/0x1e0 [16285.214777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16285.214777][ T7704] [16295.284838][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16295.285511][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16295.285511][ T7704] netdev_get_by_index+0x5e/0x80 [16295.285511][ T7704] fib6_nh_init+0x3d8/0x15b0 [16295.285511][ T7704] ip6_route_info_create+0xf18/0x17d0 [16295.285511][ T7704] ip6_route_add+0x1c/0x140 [16295.285511][ T7704] addrconf_prefix_route+0x2a6/0x430 [16295.285511][ T7704] inet6_addr_add+0x4f8/0xa40 [16295.285511][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16295.285511][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16295.285511][ T7704] netlink_rcv_skb+0x130/0x360 [16295.285511][ T7704] netlink_unicast+0x449/0x710 [16295.285511][ T7704] netlink_sendmsg+0x723/0xbe0 [16295.285511][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16295.285511][ T7704] ___sys_sendmsg+0xee/0x170 [16295.285511][ T7704] __sys_sendmsg+0xcd/0x170 [16295.285511][ T7704] do_syscall_64+0xc6/0x1e0 [16295.285511][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16295.285511][ T7704] [16295.288055][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16295.288055][ T7704] netdev_get_by_index+0x5e/0x80 [16295.288055][ T7704] fib6_nh_init+0x3d8/0x15b0 [16295.288055][ T7704] ip6_route_info_create+0xf18/0x17d0 [16295.288055][ T7704] addrconf_f6i_alloc+0x315/0x560 [16295.288055][ T7704] ipv6_add_addr+0x411/0x2000 [16295.288055][ T7704] inet6_addr_add+0x30e/0xa40 [16295.288055][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16295.288055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16295.288055][ T7704] netlink_rcv_skb+0x130/0x360 [16295.288055][ T7704] netlink_unicast+0x449/0x710 [16295.288055][ T7704] netlink_sendmsg+0x723/0xbe0 [16295.288055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16295.288055][ T7704] ___sys_sendmsg+0xee/0x170 [16295.288055][ T7704] __sys_sendmsg+0xcd/0x170 [16295.288055][ T7704] do_syscall_64+0xc6/0x1e0 [16295.288055][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16295.288055][ T7704] [16295.290492][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16295.290492][ T7704] netdev_get_by_index+0x5e/0x80 [16295.290492][ T7704] fib6_nh_init+0x3d8/0x15b0 [16295.290492][ T7704] ip6_route_info_create+0xf18/0x17d0 [16295.290492][ T7704] ip6_route_add+0x1c/0x140 [16295.290492][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16295.290492][ T7704] addrconf_add_dev+0xe2/0x170 [16295.290492][ T7704] inet6_addr_add+0x12f/0xa40 [16295.290492][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16295.290492][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16295.290492][ T7704] netlink_rcv_skb+0x130/0x360 [16295.290492][ T7704] netlink_unicast+0x449/0x710 [16295.290492][ T7704] netlink_sendmsg+0x723/0xbe0 [16295.290492][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16295.290492][ T7704] ___sys_sendmsg+0xee/0x170 [16295.290492][ T7704] __sys_sendmsg+0xcd/0x170 [16295.290492][ T7704] do_syscall_64+0xc6/0x1e0 [16295.290492][ T7704] [16295.293415][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16295.293415][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16295.293415][ T7704] ipv6_find_idev+0x102/0x170 [16295.293415][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16295.293415][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16295.293415][ T7704] netlink_rcv_skb+0x130/0x360 [16295.293415][ T7704] netlink_unicast+0x449/0x710 [16295.293415][ T7704] netlink_sendmsg+0x723/0xbe0 [16295.293415][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16295.293415][ T7704] ___sys_sendmsg+0xee/0x170 [16295.293415][ T7704] __sys_sendmsg+0xcd/0x170 [16295.293415][ T7704] do_syscall_64+0xc6/0x1e0 [16295.293415][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16295.293415][ T7704] [16295.295320][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16295.295320][ T7704] neigh_parms_alloc+0x1e5/0x510 [16295.295320][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16295.295320][ T7704] ipv6_find_idev+0x102/0x170 [16295.295320][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16295.295320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16295.295320][ T7704] netlink_rcv_skb+0x130/0x360 [16295.295320][ T7704] netlink_unicast+0x449/0x710 [16295.295320][ T7704] netlink_sendmsg+0x723/0xbe0 [16295.295320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16295.295320][ T7704] ___sys_sendmsg+0xee/0x170 [16295.295320][ T7704] __sys_sendmsg+0xcd/0x170 [16295.295320][ T7704] do_syscall_64+0xc6/0x1e0 [16295.295320][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16295.295320][ T7704] [16305.532941][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16305.534079][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16305.534079][ T7704] netdev_get_by_index+0x5e/0x80 [16305.534079][ T7704] fib6_nh_init+0x3d8/0x15b0 [16305.534079][ T7704] ip6_route_info_create+0xf18/0x17d0 [16305.534079][ T7704] ip6_route_add+0x1c/0x140 [16305.534079][ T7704] addrconf_prefix_route+0x2a6/0x430 [16305.534079][ T7704] inet6_addr_add+0x4f8/0xa40 [16305.534079][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16305.534079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16305.534079][ T7704] netlink_rcv_skb+0x130/0x360 [16305.534079][ T7704] netlink_unicast+0x449/0x710 [16305.534079][ T7704] netlink_sendmsg+0x723/0xbe0 [16305.534079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16305.534079][ T7704] ___sys_sendmsg+0xee/0x170 [16305.534079][ T7704] __sys_sendmsg+0xcd/0x170 [16305.534079][ T7704] do_syscall_64+0xc6/0x1e0 [16305.534079][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16305.534079][ T7704] [16305.536568][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16305.536568][ T7704] netdev_get_by_index+0x5e/0x80 [16305.536568][ T7704] fib6_nh_init+0x3d8/0x15b0 [16305.536568][ T7704] ip6_route_info_create+0xf18/0x17d0 [16305.536568][ T7704] addrconf_f6i_alloc+0x315/0x560 [16305.536568][ T7704] ipv6_add_addr+0x411/0x2000 [16305.536568][ T7704] inet6_addr_add+0x30e/0xa40 [16305.536568][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16305.536568][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16305.536568][ T7704] netlink_rcv_skb+0x130/0x360 [16305.536568][ T7704] netlink_unicast+0x449/0x710 [16305.536568][ T7704] netlink_sendmsg+0x723/0xbe0 [16305.536568][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16305.536568][ T7704] ___sys_sendmsg+0xee/0x170 [16305.536568][ T7704] __sys_sendmsg+0xcd/0x170 [16305.536568][ T7704] do_syscall_64+0xc6/0x1e0 [16305.536568][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16305.536568][ T7704] [16305.538885][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16305.538885][ T7704] netdev_get_by_index+0x5e/0x80 [16305.538885][ T7704] fib6_nh_init+0x3d8/0x15b0 [16305.538885][ T7704] ip6_route_info_create+0xf18/0x17d0 [16305.538885][ T7704] ip6_route_add+0x1c/0x140 [16305.538885][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16305.538885][ T7704] addrconf_add_dev+0xe2/0x170 [16305.538885][ T7704] inet6_addr_add+0x12f/0xa40 [16305.538885][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16305.538885][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16305.538885][ T7704] netlink_rcv_skb+0x130/0x360 [16305.538885][ T7704] netlink_unicast+0x449/0x710 [16305.538885][ T7704] netlink_sendmsg+0x723/0xbe0 [16305.538885][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16305.538885][ T7704] ___sys_sendmsg+0xee/0x170 [16305.538885][ T7704] __sys_sendmsg+0xcd/0x170 [16305.538885][ T7704] do_syscall_64+0xc6/0x1e0 [16305.538885][ T7704] [16305.541244][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16305.541244][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16305.541244][ T7704] ipv6_find_idev+0x102/0x170 [16305.541244][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16305.541244][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16305.541244][ T7704] netlink_rcv_skb+0x130/0x360 [16305.541244][ T7704] netlink_unicast+0x449/0x710 [16305.541244][ T7704] netlink_sendmsg+0x723/0xbe0 [16305.541244][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16305.541244][ T7704] ___sys_sendmsg+0xee/0x170 [16305.541244][ T7704] __sys_sendmsg+0xcd/0x170 [16305.541244][ T7704] do_syscall_64+0xc6/0x1e0 [16305.541244][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16305.541244][ T7704] [16305.543087][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16305.543087][ T7704] neigh_parms_alloc+0x1e5/0x510 [16305.543087][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16305.543087][ T7704] ipv6_find_idev+0x102/0x170 [16305.543087][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16305.543087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16305.543087][ T7704] netlink_rcv_skb+0x130/0x360 [16305.543087][ T7704] netlink_unicast+0x449/0x710 [16305.543087][ T7704] netlink_sendmsg+0x723/0xbe0 [16305.543087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16305.543087][ T7704] ___sys_sendmsg+0xee/0x170 [16305.543087][ T7704] __sys_sendmsg+0xcd/0x170 [16305.543087][ T7704] do_syscall_64+0xc6/0x1e0 [16305.543087][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16305.543087][ T7704] [16315.580929][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16315.581904][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16315.581904][ T7704] netdev_get_by_index+0x5e/0x80 [16315.581904][ T7704] fib6_nh_init+0x3d8/0x15b0 [16315.581904][ T7704] ip6_route_info_create+0xf18/0x17d0 [16315.581904][ T7704] ip6_route_add+0x1c/0x140 [16315.581904][ T7704] addrconf_prefix_route+0x2a6/0x430 [16315.581904][ T7704] inet6_addr_add+0x4f8/0xa40 [16315.581904][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16315.581904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16315.581904][ T7704] netlink_rcv_skb+0x130/0x360 [16315.581904][ T7704] netlink_unicast+0x449/0x710 [16315.581904][ T7704] netlink_sendmsg+0x723/0xbe0 [16315.581904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16315.581904][ T7704] ___sys_sendmsg+0xee/0x170 [16315.581904][ T7704] __sys_sendmsg+0xcd/0x170 [16315.581904][ T7704] do_syscall_64+0xc6/0x1e0 [16315.581904][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16315.581904][ T7704] [16315.584339][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16315.584339][ T7704] netdev_get_by_index+0x5e/0x80 [16315.584339][ T7704] fib6_nh_init+0x3d8/0x15b0 [16315.584339][ T7704] ip6_route_info_create+0xf18/0x17d0 [16315.584339][ T7704] addrconf_f6i_alloc+0x315/0x560 [16315.584339][ T7704] ipv6_add_addr+0x411/0x2000 [16315.584339][ T7704] inet6_addr_add+0x30e/0xa40 [16315.584339][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16315.584339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16315.584339][ T7704] netlink_rcv_skb+0x130/0x360 [16315.584339][ T7704] netlink_unicast+0x449/0x710 [16315.584339][ T7704] netlink_sendmsg+0x723/0xbe0 [16315.584339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16315.584339][ T7704] ___sys_sendmsg+0xee/0x170 [16315.584339][ T7704] __sys_sendmsg+0xcd/0x170 [16315.584339][ T7704] do_syscall_64+0xc6/0x1e0 [16315.584339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16315.584339][ T7704] [16315.586716][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16315.586716][ T7704] netdev_get_by_index+0x5e/0x80 [16315.586716][ T7704] fib6_nh_init+0x3d8/0x15b0 [16315.586716][ T7704] ip6_route_info_create+0xf18/0x17d0 [16315.586716][ T7704] ip6_route_add+0x1c/0x140 [16315.586716][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16315.586716][ T7704] addrconf_add_dev+0xe2/0x170 [16315.586716][ T7704] inet6_addr_add+0x12f/0xa40 [16315.586716][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16315.586716][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16315.586716][ T7704] netlink_rcv_skb+0x130/0x360 [16315.586716][ T7704] netlink_unicast+0x449/0x710 [16315.586716][ T7704] netlink_sendmsg+0x723/0xbe0 [16315.586716][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16315.586716][ T7704] ___sys_sendmsg+0xee/0x170 [16315.586716][ T7704] __sys_sendmsg+0xcd/0x170 [16315.586716][ T7704] do_syscall_64+0xc6/0x1e0 [16315.586716][ T7704] [16315.588874][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16315.588874][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16315.588874][ T7704] ipv6_find_idev+0x102/0x170 [16315.588874][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16315.588874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16315.588874][ T7704] netlink_rcv_skb+0x130/0x360 [16315.588874][ T7704] netlink_unicast+0x449/0x710 [16315.588874][ T7704] netlink_sendmsg+0x723/0xbe0 [16315.588874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16315.588874][ T7704] ___sys_sendmsg+0xee/0x170 [16315.588874][ T7704] __sys_sendmsg+0xcd/0x170 [16315.588874][ T7704] do_syscall_64+0xc6/0x1e0 [16315.588874][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16315.588874][ T7704] [16315.590562][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16315.590562][ T7704] neigh_parms_alloc+0x1e5/0x510 [16315.590562][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16315.590562][ T7704] ipv6_find_idev+0x102/0x170 [16315.590562][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16315.590562][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16315.590562][ T7704] netlink_rcv_skb+0x130/0x360 [16315.590562][ T7704] netlink_unicast+0x449/0x710 [16315.590562][ T7704] netlink_sendmsg+0x723/0xbe0 [16315.590562][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16315.590562][ T7704] ___sys_sendmsg+0xee/0x170 [16315.590562][ T7704] __sys_sendmsg+0xcd/0x170 [16315.590562][ T7704] do_syscall_64+0xc6/0x1e0 [16315.590562][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16315.590562][ T7704] [16325.836920][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16325.837428][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16325.837428][ T7704] netdev_get_by_index+0x5e/0x80 [16325.837428][ T7704] fib6_nh_init+0x3d8/0x15b0 [16325.837428][ T7704] ip6_route_info_create+0xf18/0x17d0 [16325.837428][ T7704] ip6_route_add+0x1c/0x140 [16325.837428][ T7704] addrconf_prefix_route+0x2a6/0x430 [16325.837428][ T7704] inet6_addr_add+0x4f8/0xa40 [16325.837428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16325.837428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16325.837428][ T7704] netlink_rcv_skb+0x130/0x360 [16325.837428][ T7704] netlink_unicast+0x449/0x710 [16325.837428][ T7704] netlink_sendmsg+0x723/0xbe0 [16325.837428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16325.837428][ T7704] ___sys_sendmsg+0xee/0x170 [16325.837428][ T7704] __sys_sendmsg+0xcd/0x170 [16325.837428][ T7704] do_syscall_64+0xc6/0x1e0 [16325.837428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16325.837428][ T7704] [16325.839626][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16325.839626][ T7704] netdev_get_by_index+0x5e/0x80 [16325.839626][ T7704] fib6_nh_init+0x3d8/0x15b0 [16325.839626][ T7704] ip6_route_info_create+0xf18/0x17d0 [16325.839626][ T7704] addrconf_f6i_alloc+0x315/0x560 [16325.839626][ T7704] ipv6_add_addr+0x411/0x2000 [16325.839626][ T7704] inet6_addr_add+0x30e/0xa40 [16325.839626][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16325.839626][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16325.839626][ T7704] netlink_rcv_skb+0x130/0x360 [16325.839626][ T7704] netlink_unicast+0x449/0x710 [16325.839626][ T7704] netlink_sendmsg+0x723/0xbe0 [16325.839626][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16325.839626][ T7704] ___sys_sendmsg+0xee/0x170 [16325.839626][ T7704] __sys_sendmsg+0xcd/0x170 [16325.839626][ T7704] do_syscall_64+0xc6/0x1e0 [16325.839626][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16325.839626][ T7704] [16325.841858][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16325.841858][ T7704] netdev_get_by_index+0x5e/0x80 [16325.841858][ T7704] fib6_nh_init+0x3d8/0x15b0 [16325.841858][ T7704] ip6_route_info_create+0xf18/0x17d0 [16325.841858][ T7704] ip6_route_add+0x1c/0x140 [16325.841858][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16325.841858][ T7704] addrconf_add_dev+0xe2/0x170 [16325.841858][ T7704] inet6_addr_add+0x12f/0xa40 [16325.841858][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16325.841858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16325.841858][ T7704] netlink_rcv_skb+0x130/0x360 [16325.841858][ T7704] netlink_unicast+0x449/0x710 [16325.841858][ T7704] netlink_sendmsg+0x723/0xbe0 [16325.841858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16325.841858][ T7704] ___sys_sendmsg+0xee/0x170 [16325.841858][ T7704] __sys_sendmsg+0xcd/0x170 [16325.841858][ T7704] do_syscall_64+0xc6/0x1e0 [16325.841858][ T7704] [16325.844098][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16325.844098][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16325.844098][ T7704] ipv6_find_idev+0x102/0x170 [16325.844098][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16325.844098][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16325.844098][ T7704] netlink_rcv_skb+0x130/0x360 [16325.844098][ T7704] netlink_unicast+0x449/0x710 [16325.844098][ T7704] netlink_sendmsg+0x723/0xbe0 [16325.844098][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16325.844098][ T7704] ___sys_sendmsg+0xee/0x170 [16325.844098][ T7704] __sys_sendmsg+0xcd/0x170 [16325.844098][ T7704] do_syscall_64+0xc6/0x1e0 [16325.844098][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16325.844098][ T7704] [16325.845754][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16325.845754][ T7704] neigh_parms_alloc+0x1e5/0x510 [16325.845754][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16325.845754][ T7704] ipv6_find_idev+0x102/0x170 [16325.845754][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16325.845754][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16325.845754][ T7704] netlink_rcv_skb+0x130/0x360 [16325.845754][ T7704] netlink_unicast+0x449/0x710 [16325.845754][ T7704] netlink_sendmsg+0x723/0xbe0 [16325.845754][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16325.845754][ T7704] ___sys_sendmsg+0xee/0x170 [16325.845754][ T7704] __sys_sendmsg+0xcd/0x170 [16325.845754][ T7704] do_syscall_64+0xc6/0x1e0 [16325.845754][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16325.845754][ T7704] [16336.093007][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16336.093951][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16336.093951][ T7704] netdev_get_by_index+0x5e/0x80 [16336.093951][ T7704] fib6_nh_init+0x3d8/0x15b0 [16336.093951][ T7704] ip6_route_info_create+0xf18/0x17d0 [16336.093951][ T7704] ip6_route_add+0x1c/0x140 [16336.093951][ T7704] addrconf_prefix_route+0x2a6/0x430 [16336.093951][ T7704] inet6_addr_add+0x4f8/0xa40 [16336.093951][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16336.093951][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16336.093951][ T7704] netlink_rcv_skb+0x130/0x360 [16336.093951][ T7704] netlink_unicast+0x449/0x710 [16336.093951][ T7704] netlink_sendmsg+0x723/0xbe0 [16336.093951][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16336.093951][ T7704] ___sys_sendmsg+0xee/0x170 [16336.093951][ T7704] __sys_sendmsg+0xcd/0x170 [16336.093951][ T7704] do_syscall_64+0xc6/0x1e0 [16336.093951][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16336.093951][ T7704] [16336.096367][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16336.096367][ T7704] netdev_get_by_index+0x5e/0x80 [16336.096367][ T7704] fib6_nh_init+0x3d8/0x15b0 [16336.096367][ T7704] ip6_route_info_create+0xf18/0x17d0 [16336.096367][ T7704] addrconf_f6i_alloc+0x315/0x560 [16336.096367][ T7704] ipv6_add_addr+0x411/0x2000 [16336.096367][ T7704] inet6_addr_add+0x30e/0xa40 [16336.096367][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16336.096367][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16336.096367][ T7704] netlink_rcv_skb+0x130/0x360 [16336.096367][ T7704] netlink_unicast+0x449/0x710 [16336.096367][ T7704] netlink_sendmsg+0x723/0xbe0 [16336.096367][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16336.096367][ T7704] ___sys_sendmsg+0xee/0x170 [16336.096367][ T7704] __sys_sendmsg+0xcd/0x170 [16336.096367][ T7704] do_syscall_64+0xc6/0x1e0 [16336.096367][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16336.096367][ T7704] [16336.099154][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16336.099154][ T7704] netdev_get_by_index+0x5e/0x80 [16336.099154][ T7704] fib6_nh_init+0x3d8/0x15b0 [16336.099154][ T7704] ip6_route_info_create+0xf18/0x17d0 [16336.099154][ T7704] ip6_route_add+0x1c/0x140 [16336.099154][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16336.099154][ T7704] addrconf_add_dev+0xe2/0x170 [16336.099154][ T7704] inet6_addr_add+0x12f/0xa40 [16336.099154][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16336.099154][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16336.099154][ T7704] netlink_rcv_skb+0x130/0x360 [16336.099154][ T7704] netlink_unicast+0x449/0x710 [16336.099154][ T7704] netlink_sendmsg+0x723/0xbe0 [16336.099154][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16336.099154][ T7704] ___sys_sendmsg+0xee/0x170 [16336.099154][ T7704] __sys_sendmsg+0xcd/0x170 [16336.099154][ T7704] do_syscall_64+0xc6/0x1e0 [16336.099154][ T7704] [16336.101391][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16336.101391][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16336.101391][ T7704] ipv6_find_idev+0x102/0x170 [16336.101391][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16336.101391][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16336.101391][ T7704] netlink_rcv_skb+0x130/0x360 [16336.101391][ T7704] netlink_unicast+0x449/0x710 [16336.101391][ T7704] netlink_sendmsg+0x723/0xbe0 [16336.101391][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16336.101391][ T7704] ___sys_sendmsg+0xee/0x170 [16336.101391][ T7704] __sys_sendmsg+0xcd/0x170 [16336.101391][ T7704] do_syscall_64+0xc6/0x1e0 [16336.101391][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16336.101391][ T7704] [16336.103081][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16336.103081][ T7704] neigh_parms_alloc+0x1e5/0x510 [16336.103081][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16336.103081][ T7704] ipv6_find_idev+0x102/0x170 [16336.103081][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16336.103081][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16336.103081][ T7704] netlink_rcv_skb+0x130/0x360 [16336.103081][ T7704] netlink_unicast+0x449/0x710 [16336.103081][ T7704] netlink_sendmsg+0x723/0xbe0 [16336.103081][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16336.103081][ T7704] ___sys_sendmsg+0xee/0x170 [16336.103081][ T7704] __sys_sendmsg+0xcd/0x170 [16336.103081][ T7704] do_syscall_64+0xc6/0x1e0 [16336.103081][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16336.103081][ T7704] [16346.132873][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16346.133949][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16346.133949][ T7704] netdev_get_by_index+0x5e/0x80 [16346.133949][ T7704] fib6_nh_init+0x3d8/0x15b0 [16346.133949][ T7704] ip6_route_info_create+0xf18/0x17d0 [16346.133949][ T7704] ip6_route_add+0x1c/0x140 [16346.133949][ T7704] addrconf_prefix_route+0x2a6/0x430 [16346.133949][ T7704] inet6_addr_add+0x4f8/0xa40 [16346.133949][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16346.133949][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16346.133949][ T7704] netlink_rcv_skb+0x130/0x360 [16346.133949][ T7704] netlink_unicast+0x449/0x710 [16346.133949][ T7704] netlink_sendmsg+0x723/0xbe0 [16346.133949][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16346.133949][ T7704] ___sys_sendmsg+0xee/0x170 [16346.133949][ T7704] __sys_sendmsg+0xcd/0x170 [16346.133949][ T7704] do_syscall_64+0xc6/0x1e0 [16346.133949][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16346.133949][ T7704] [16346.136331][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16346.136331][ T7704] netdev_get_by_index+0x5e/0x80 [16346.136331][ T7704] fib6_nh_init+0x3d8/0x15b0 [16346.136331][ T7704] ip6_route_info_create+0xf18/0x17d0 [16346.136331][ T7704] addrconf_f6i_alloc+0x315/0x560 [16346.136331][ T7704] ipv6_add_addr+0x411/0x2000 [16346.136331][ T7704] inet6_addr_add+0x30e/0xa40 [16346.136331][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16346.136331][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16346.136331][ T7704] netlink_rcv_skb+0x130/0x360 [16346.136331][ T7704] netlink_unicast+0x449/0x710 [16346.136331][ T7704] netlink_sendmsg+0x723/0xbe0 [16346.136331][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16346.136331][ T7704] ___sys_sendmsg+0xee/0x170 [16346.136331][ T7704] __sys_sendmsg+0xcd/0x170 [16346.136331][ T7704] do_syscall_64+0xc6/0x1e0 [16346.136331][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16346.136331][ T7704] [16346.138710][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16346.138710][ T7704] netdev_get_by_index+0x5e/0x80 [16346.138710][ T7704] fib6_nh_init+0x3d8/0x15b0 [16346.138710][ T7704] ip6_route_info_create+0xf18/0x17d0 [16346.138710][ T7704] ip6_route_add+0x1c/0x140 [16346.138710][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16346.138710][ T7704] addrconf_add_dev+0xe2/0x170 [16346.138710][ T7704] inet6_addr_add+0x12f/0xa40 [16346.138710][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16346.138710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16346.138710][ T7704] netlink_rcv_skb+0x130/0x360 [16346.138710][ T7704] netlink_unicast+0x449/0x710 [16346.138710][ T7704] netlink_sendmsg+0x723/0xbe0 [16346.138710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16346.138710][ T7704] ___sys_sendmsg+0xee/0x170 [16346.138710][ T7704] __sys_sendmsg+0xcd/0x170 [16346.138710][ T7704] do_syscall_64+0xc6/0x1e0 [16346.138710][ T7704] [16346.141007][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16346.141007][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16346.141007][ T7704] ipv6_find_idev+0x102/0x170 [16346.141007][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16346.141007][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16346.141007][ T7704] netlink_rcv_skb+0x130/0x360 [16346.141007][ T7704] netlink_unicast+0x449/0x710 [16346.141007][ T7704] netlink_sendmsg+0x723/0xbe0 [16346.141007][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16346.141007][ T7704] ___sys_sendmsg+0xee/0x170 [16346.141007][ T7704] __sys_sendmsg+0xcd/0x170 [16346.141007][ T7704] do_syscall_64+0xc6/0x1e0 [16346.141007][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16346.141007][ T7704] [16346.142818][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16346.142818][ T7704] neigh_parms_alloc+0x1e5/0x510 [16346.142818][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16346.142818][ T7704] ipv6_find_idev+0x102/0x170 [16346.142818][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16346.142818][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16346.142818][ T7704] netlink_rcv_skb+0x130/0x360 [16346.142818][ T7704] netlink_unicast+0x449/0x710 [16346.142818][ T7704] netlink_sendmsg+0x723/0xbe0 [16346.142818][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16346.142818][ T7704] ___sys_sendmsg+0xee/0x170 [16346.142818][ T7704] __sys_sendmsg+0xcd/0x170 [16346.142818][ T7704] do_syscall_64+0xc6/0x1e0 [16346.142818][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16346.142818][ T7704] [16356.396963][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16356.397883][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16356.397883][ T7704] netdev_get_by_index+0x5e/0x80 [16356.397883][ T7704] fib6_nh_init+0x3d8/0x15b0 [16356.397883][ T7704] ip6_route_info_create+0xf18/0x17d0 [16356.397883][ T7704] ip6_route_add+0x1c/0x140 [16356.397883][ T7704] addrconf_prefix_route+0x2a6/0x430 [16356.397883][ T7704] inet6_addr_add+0x4f8/0xa40 [16356.397883][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16356.397883][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16356.397883][ T7704] netlink_rcv_skb+0x130/0x360 [16356.397883][ T7704] netlink_unicast+0x449/0x710 [16356.397883][ T7704] netlink_sendmsg+0x723/0xbe0 [16356.397883][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16356.397883][ T7704] ___sys_sendmsg+0xee/0x170 [16356.397883][ T7704] __sys_sendmsg+0xcd/0x170 [16356.397883][ T7704] do_syscall_64+0xc6/0x1e0 [16356.397883][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16356.397883][ T7704] [16356.400160][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16356.400160][ T7704] netdev_get_by_index+0x5e/0x80 [16356.400160][ T7704] fib6_nh_init+0x3d8/0x15b0 [16356.400160][ T7704] ip6_route_info_create+0xf18/0x17d0 [16356.400160][ T7704] addrconf_f6i_alloc+0x315/0x560 [16356.400160][ T7704] ipv6_add_addr+0x411/0x2000 [16356.400160][ T7704] inet6_addr_add+0x30e/0xa40 [16356.400160][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16356.400160][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16356.400160][ T7704] netlink_rcv_skb+0x130/0x360 [16356.400160][ T7704] netlink_unicast+0x449/0x710 [16356.400160][ T7704] netlink_sendmsg+0x723/0xbe0 [16356.400160][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16356.400160][ T7704] ___sys_sendmsg+0xee/0x170 [16356.400160][ T7704] __sys_sendmsg+0xcd/0x170 [16356.400160][ T7704] do_syscall_64+0xc6/0x1e0 [16356.400160][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16356.400160][ T7704] [16356.402380][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16356.402380][ T7704] netdev_get_by_index+0x5e/0x80 [16356.402380][ T7704] fib6_nh_init+0x3d8/0x15b0 [16356.402380][ T7704] ip6_route_info_create+0xf18/0x17d0 [16356.402380][ T7704] ip6_route_add+0x1c/0x140 [16356.402380][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16356.402380][ T7704] addrconf_add_dev+0xe2/0x170 [16356.402380][ T7704] inet6_addr_add+0x12f/0xa40 [16356.402380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16356.402380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16356.402380][ T7704] netlink_rcv_skb+0x130/0x360 [16356.402380][ T7704] netlink_unicast+0x449/0x710 [16356.402380][ T7704] netlink_sendmsg+0x723/0xbe0 [16356.402380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16356.402380][ T7704] ___sys_sendmsg+0xee/0x170 [16356.402380][ T7704] __sys_sendmsg+0xcd/0x170 [16356.402380][ T7704] do_syscall_64+0xc6/0x1e0 [16356.402380][ T7704] [16356.404480][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16356.404480][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16356.404480][ T7704] ipv6_find_idev+0x102/0x170 [16356.404480][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16356.404480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16356.404480][ T7704] netlink_rcv_skb+0x130/0x360 [16356.404480][ T7704] netlink_unicast+0x449/0x710 [16356.404480][ T7704] netlink_sendmsg+0x723/0xbe0 [16356.404480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16356.404480][ T7704] ___sys_sendmsg+0xee/0x170 [16356.404480][ T7704] __sys_sendmsg+0xcd/0x170 [16356.404480][ T7704] do_syscall_64+0xc6/0x1e0 [16356.404480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16356.404480][ T7704] [16356.406192][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16356.406192][ T7704] neigh_parms_alloc+0x1e5/0x510 [16356.406192][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16356.406192][ T7704] ipv6_find_idev+0x102/0x170 [16356.406192][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16356.406192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16356.406192][ T7704] netlink_rcv_skb+0x130/0x360 [16356.406192][ T7704] netlink_unicast+0x449/0x710 [16356.406192][ T7704] netlink_sendmsg+0x723/0xbe0 [16356.406192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16356.406192][ T7704] ___sys_sendmsg+0xee/0x170 [16356.406192][ T7704] __sys_sendmsg+0xcd/0x170 [16356.406192][ T7704] do_syscall_64+0xc6/0x1e0 [16356.406192][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16356.406192][ T7704] [16366.524946][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16366.525619][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16366.525619][ T7704] netdev_get_by_index+0x5e/0x80 [16366.525619][ T7704] fib6_nh_init+0x3d8/0x15b0 [16366.525619][ T7704] ip6_route_info_create+0xf18/0x17d0 [16366.525619][ T7704] ip6_route_add+0x1c/0x140 [16366.525619][ T7704] addrconf_prefix_route+0x2a6/0x430 [16366.525619][ T7704] inet6_addr_add+0x4f8/0xa40 [16366.525619][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16366.525619][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16366.525619][ T7704] netlink_rcv_skb+0x130/0x360 [16366.525619][ T7704] netlink_unicast+0x449/0x710 [16366.525619][ T7704] netlink_sendmsg+0x723/0xbe0 [16366.525619][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16366.525619][ T7704] ___sys_sendmsg+0xee/0x170 [16366.525619][ T7704] __sys_sendmsg+0xcd/0x170 [16366.525619][ T7704] do_syscall_64+0xc6/0x1e0 [16366.525619][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16366.525619][ T7704] [16366.528453][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16366.528453][ T7704] netdev_get_by_index+0x5e/0x80 [16366.528453][ T7704] fib6_nh_init+0x3d8/0x15b0 [16366.528453][ T7704] ip6_route_info_create+0xf18/0x17d0 [16366.528453][ T7704] addrconf_f6i_alloc+0x315/0x560 [16366.528453][ T7704] ipv6_add_addr+0x411/0x2000 [16366.528453][ T7704] inet6_addr_add+0x30e/0xa40 [16366.528453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16366.528453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16366.528453][ T7704] netlink_rcv_skb+0x130/0x360 [16366.528453][ T7704] netlink_unicast+0x449/0x710 [16366.528453][ T7704] netlink_sendmsg+0x723/0xbe0 [16366.528453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16366.528453][ T7704] ___sys_sendmsg+0xee/0x170 [16366.528453][ T7704] __sys_sendmsg+0xcd/0x170 [16366.528453][ T7704] do_syscall_64+0xc6/0x1e0 [16366.528453][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16366.528453][ T7704] [16366.530937][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16366.530937][ T7704] netdev_get_by_index+0x5e/0x80 [16366.530937][ T7704] fib6_nh_init+0x3d8/0x15b0 [16366.530937][ T7704] ip6_route_info_create+0xf18/0x17d0 [16366.530937][ T7704] ip6_route_add+0x1c/0x140 [16366.530937][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16366.530937][ T7704] addrconf_add_dev+0xe2/0x170 [16366.530937][ T7704] inet6_addr_add+0x12f/0xa40 [16366.530937][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16366.530937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16366.530937][ T7704] netlink_rcv_skb+0x130/0x360 [16366.530937][ T7704] netlink_unicast+0x449/0x710 [16366.530937][ T7704] netlink_sendmsg+0x723/0xbe0 [16366.530937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16366.530937][ T7704] ___sys_sendmsg+0xee/0x170 [16366.530937][ T7704] __sys_sendmsg+0xcd/0x170 [16366.530937][ T7704] do_syscall_64+0xc6/0x1e0 [16366.530937][ T7704] [16366.533355][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16366.533355][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16366.533355][ T7704] ipv6_find_idev+0x102/0x170 [16366.533355][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16366.533355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16366.533355][ T7704] netlink_rcv_skb+0x130/0x360 [16366.533355][ T7704] netlink_unicast+0x449/0x710 [16366.533355][ T7704] netlink_sendmsg+0x723/0xbe0 [16366.533355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16366.533355][ T7704] ___sys_sendmsg+0xee/0x170 [16366.533355][ T7704] __sys_sendmsg+0xcd/0x170 [16366.533355][ T7704] do_syscall_64+0xc6/0x1e0 [16366.533355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16366.533355][ T7704] [16366.535249][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16366.535249][ T7704] neigh_parms_alloc+0x1e5/0x510 [16366.535249][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16366.535249][ T7704] ipv6_find_idev+0x102/0x170 [16366.535249][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16366.535249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16366.535249][ T7704] netlink_rcv_skb+0x130/0x360 [16366.535249][ T7704] netlink_unicast+0x449/0x710 [16366.535249][ T7704] netlink_sendmsg+0x723/0xbe0 [16366.535249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16366.535249][ T7704] ___sys_sendmsg+0xee/0x170 [16366.535249][ T7704] __sys_sendmsg+0xcd/0x170 [16366.535249][ T7704] do_syscall_64+0xc6/0x1e0 [16366.535249][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16366.535249][ T7704] [16376.780896][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16376.781683][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16376.781683][ T7704] netdev_get_by_index+0x5e/0x80 [16376.781683][ T7704] fib6_nh_init+0x3d8/0x15b0 [16376.781683][ T7704] ip6_route_info_create+0xf18/0x17d0 [16376.781683][ T7704] ip6_route_add+0x1c/0x140 [16376.781683][ T7704] addrconf_prefix_route+0x2a6/0x430 [16376.781683][ T7704] inet6_addr_add+0x4f8/0xa40 [16376.781683][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16376.781683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16376.781683][ T7704] netlink_rcv_skb+0x130/0x360 [16376.781683][ T7704] netlink_unicast+0x449/0x710 [16376.781683][ T7704] netlink_sendmsg+0x723/0xbe0 [16376.781683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16376.781683][ T7704] ___sys_sendmsg+0xee/0x170 [16376.781683][ T7704] __sys_sendmsg+0xcd/0x170 [16376.781683][ T7704] do_syscall_64+0xc6/0x1e0 [16376.781683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16376.781683][ T7704] [16376.784077][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16376.784077][ T7704] netdev_get_by_index+0x5e/0x80 [16376.784077][ T7704] fib6_nh_init+0x3d8/0x15b0 [16376.784077][ T7704] ip6_route_info_create+0xf18/0x17d0 [16376.784077][ T7704] addrconf_f6i_alloc+0x315/0x560 [16376.784077][ T7704] ipv6_add_addr+0x411/0x2000 [16376.784077][ T7704] inet6_addr_add+0x30e/0xa40 [16376.784077][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16376.784077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16376.784077][ T7704] netlink_rcv_skb+0x130/0x360 [16376.784077][ T7704] netlink_unicast+0x449/0x710 [16376.784077][ T7704] netlink_sendmsg+0x723/0xbe0 [16376.784077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16376.784077][ T7704] ___sys_sendmsg+0xee/0x170 [16376.784077][ T7704] __sys_sendmsg+0xcd/0x170 [16376.784077][ T7704] do_syscall_64+0xc6/0x1e0 [16376.784077][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16376.784077][ T7704] [16376.786451][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16376.786451][ T7704] netdev_get_by_index+0x5e/0x80 [16376.786451][ T7704] fib6_nh_init+0x3d8/0x15b0 [16376.786451][ T7704] ip6_route_info_create+0xf18/0x17d0 [16376.786451][ T7704] ip6_route_add+0x1c/0x140 [16376.786451][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16376.786451][ T7704] addrconf_add_dev+0xe2/0x170 [16376.786451][ T7704] inet6_addr_add+0x12f/0xa40 [16376.786451][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16376.786451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16376.786451][ T7704] netlink_rcv_skb+0x130/0x360 [16376.786451][ T7704] netlink_unicast+0x449/0x710 [16376.786451][ T7704] netlink_sendmsg+0x723/0xbe0 [16376.786451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16376.786451][ T7704] ___sys_sendmsg+0xee/0x170 [16376.786451][ T7704] __sys_sendmsg+0xcd/0x170 [16376.786451][ T7704] do_syscall_64+0xc6/0x1e0 [16376.786451][ T7704] [16376.788733][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16376.788733][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16376.788733][ T7704] ipv6_find_idev+0x102/0x170 [16376.788733][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16376.788733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16376.788733][ T7704] netlink_rcv_skb+0x130/0x360 [16376.788733][ T7704] netlink_unicast+0x449/0x710 [16376.788733][ T7704] netlink_sendmsg+0x723/0xbe0 [16376.788733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16376.788733][ T7704] ___sys_sendmsg+0xee/0x170 [16376.788733][ T7704] __sys_sendmsg+0xcd/0x170 [16376.788733][ T7704] do_syscall_64+0xc6/0x1e0 [16376.788733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16376.788733][ T7704] [16376.790518][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16376.790518][ T7704] neigh_parms_alloc+0x1e5/0x510 [16376.790518][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16376.790518][ T7704] ipv6_find_idev+0x102/0x170 [16376.790518][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16376.790518][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16376.790518][ T7704] netlink_rcv_skb+0x130/0x360 [16376.790518][ T7704] netlink_unicast+0x449/0x710 [16376.790518][ T7704] netlink_sendmsg+0x723/0xbe0 [16376.790518][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16376.790518][ T7704] ___sys_sendmsg+0xee/0x170 [16376.790518][ T7704] __sys_sendmsg+0xcd/0x170 [16376.790518][ T7704] do_syscall_64+0xc6/0x1e0 [16376.790518][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16376.790518][ T7704] [16387.036895][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16387.037508][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16387.037508][ T7704] netdev_get_by_index+0x5e/0x80 [16387.037508][ T7704] fib6_nh_init+0x3d8/0x15b0 [16387.037508][ T7704] ip6_route_info_create+0xf18/0x17d0 [16387.037508][ T7704] ip6_route_add+0x1c/0x140 [16387.037508][ T7704] addrconf_prefix_route+0x2a6/0x430 [16387.037508][ T7704] inet6_addr_add+0x4f8/0xa40 [16387.037508][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16387.037508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16387.037508][ T7704] netlink_rcv_skb+0x130/0x360 [16387.037508][ T7704] netlink_unicast+0x449/0x710 [16387.037508][ T7704] netlink_sendmsg+0x723/0xbe0 [16387.037508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16387.037508][ T7704] ___sys_sendmsg+0xee/0x170 [16387.037508][ T7704] __sys_sendmsg+0xcd/0x170 [16387.037508][ T7704] do_syscall_64+0xc6/0x1e0 [16387.037508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16387.037508][ T7704] [16387.039940][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16387.039940][ T7704] netdev_get_by_index+0x5e/0x80 [16387.039940][ T7704] fib6_nh_init+0x3d8/0x15b0 [16387.039940][ T7704] ip6_route_info_create+0xf18/0x17d0 [16387.039940][ T7704] addrconf_f6i_alloc+0x315/0x560 [16387.039940][ T7704] ipv6_add_addr+0x411/0x2000 [16387.039940][ T7704] inet6_addr_add+0x30e/0xa40 [16387.039940][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16387.039940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16387.039940][ T7704] netlink_rcv_skb+0x130/0x360 [16387.039940][ T7704] netlink_unicast+0x449/0x710 [16387.039940][ T7704] netlink_sendmsg+0x723/0xbe0 [16387.039940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16387.039940][ T7704] ___sys_sendmsg+0xee/0x170 [16387.039940][ T7704] __sys_sendmsg+0xcd/0x170 [16387.039940][ T7704] do_syscall_64+0xc6/0x1e0 [16387.039940][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16387.039940][ T7704] [16387.042293][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16387.042293][ T7704] netdev_get_by_index+0x5e/0x80 [16387.042293][ T7704] fib6_nh_init+0x3d8/0x15b0 [16387.042293][ T7704] ip6_route_info_create+0xf18/0x17d0 [16387.042293][ T7704] ip6_route_add+0x1c/0x140 [16387.042293][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16387.042293][ T7704] addrconf_add_dev+0xe2/0x170 [16387.042293][ T7704] inet6_addr_add+0x12f/0xa40 [16387.042293][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16387.042293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16387.042293][ T7704] netlink_rcv_skb+0x130/0x360 [16387.042293][ T7704] netlink_unicast+0x449/0x710 [16387.042293][ T7704] netlink_sendmsg+0x723/0xbe0 [16387.042293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16387.042293][ T7704] ___sys_sendmsg+0xee/0x170 [16387.042293][ T7704] __sys_sendmsg+0xcd/0x170 [16387.042293][ T7704] do_syscall_64+0xc6/0x1e0 [16387.042293][ T7704] [16387.044623][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16387.044623][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16387.044623][ T7704] ipv6_find_idev+0x102/0x170 [16387.044623][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16387.044623][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16387.044623][ T7704] netlink_rcv_skb+0x130/0x360 [16387.044623][ T7704] netlink_unicast+0x449/0x710 [16387.044623][ T7704] netlink_sendmsg+0x723/0xbe0 [16387.044623][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16387.044623][ T7704] ___sys_sendmsg+0xee/0x170 [16387.044623][ T7704] __sys_sendmsg+0xcd/0x170 [16387.044623][ T7704] do_syscall_64+0xc6/0x1e0 [16387.044623][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16387.044623][ T7704] [16387.046508][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16387.046508][ T7704] neigh_parms_alloc+0x1e5/0x510 [16387.046508][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16387.046508][ T7704] ipv6_find_idev+0x102/0x170 [16387.046508][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16387.046508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16387.046508][ T7704] netlink_rcv_skb+0x130/0x360 [16387.046508][ T7704] netlink_unicast+0x449/0x710 [16387.046508][ T7704] netlink_sendmsg+0x723/0xbe0 [16387.046508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16387.046508][ T7704] ___sys_sendmsg+0xee/0x170 [16387.046508][ T7704] __sys_sendmsg+0xcd/0x170 [16387.046508][ T7704] do_syscall_64+0xc6/0x1e0 [16387.046508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16387.046508][ T7704] [16397.292888][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16397.293469][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16397.293469][ T7704] netdev_get_by_index+0x5e/0x80 [16397.293469][ T7704] fib6_nh_init+0x3d8/0x15b0 [16397.293469][ T7704] ip6_route_info_create+0xf18/0x17d0 [16397.293469][ T7704] ip6_route_add+0x1c/0x140 [16397.293469][ T7704] addrconf_prefix_route+0x2a6/0x430 [16397.293469][ T7704] inet6_addr_add+0x4f8/0xa40 [16397.293469][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16397.293469][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16397.293469][ T7704] netlink_rcv_skb+0x130/0x360 [16397.293469][ T7704] netlink_unicast+0x449/0x710 [16397.293469][ T7704] netlink_sendmsg+0x723/0xbe0 [16397.293469][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16397.293469][ T7704] ___sys_sendmsg+0xee/0x170 [16397.293469][ T7704] __sys_sendmsg+0xcd/0x170 [16397.293469][ T7704] do_syscall_64+0xc6/0x1e0 [16397.293469][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16397.293469][ T7704] [16397.296006][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16397.296006][ T7704] netdev_get_by_index+0x5e/0x80 [16397.296006][ T7704] fib6_nh_init+0x3d8/0x15b0 [16397.296006][ T7704] ip6_route_info_create+0xf18/0x17d0 [16397.296006][ T7704] addrconf_f6i_alloc+0x315/0x560 [16397.296006][ T7704] ipv6_add_addr+0x411/0x2000 [16397.296006][ T7704] inet6_addr_add+0x30e/0xa40 [16397.296006][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16397.296006][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16397.296006][ T7704] netlink_rcv_skb+0x130/0x360 [16397.296006][ T7704] netlink_unicast+0x449/0x710 [16397.296006][ T7704] netlink_sendmsg+0x723/0xbe0 [16397.296006][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16397.296006][ T7704] ___sys_sendmsg+0xee/0x170 [16397.296006][ T7704] __sys_sendmsg+0xcd/0x170 [16397.296006][ T7704] do_syscall_64+0xc6/0x1e0 [16397.296006][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16397.296006][ T7704] [16397.298396][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16397.298396][ T7704] netdev_get_by_index+0x5e/0x80 [16397.298396][ T7704] fib6_nh_init+0x3d8/0x15b0 [16397.298396][ T7704] ip6_route_info_create+0xf18/0x17d0 [16397.298396][ T7704] ip6_route_add+0x1c/0x140 [16397.298396][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16397.298396][ T7704] addrconf_add_dev+0xe2/0x170 [16397.298396][ T7704] inet6_addr_add+0x12f/0xa40 [16397.298396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16397.298396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16397.298396][ T7704] netlink_rcv_skb+0x130/0x360 [16397.298396][ T7704] netlink_unicast+0x449/0x710 [16397.298396][ T7704] netlink_sendmsg+0x723/0xbe0 [16397.298396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16397.298396][ T7704] ___sys_sendmsg+0xee/0x170 [16397.298396][ T7704] __sys_sendmsg+0xcd/0x170 [16397.298396][ T7704] do_syscall_64+0xc6/0x1e0 [16397.298396][ T7704] [16397.301113][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16397.301113][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16397.301113][ T7704] ipv6_find_idev+0x102/0x170 [16397.301113][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16397.301113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16397.301113][ T7704] netlink_rcv_skb+0x130/0x360 [16397.301113][ T7704] netlink_unicast+0x449/0x710 [16397.301113][ T7704] netlink_sendmsg+0x723/0xbe0 [16397.301113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16397.301113][ T7704] ___sys_sendmsg+0xee/0x170 [16397.301113][ T7704] __sys_sendmsg+0xcd/0x170 [16397.301113][ T7704] do_syscall_64+0xc6/0x1e0 [16397.301113][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16397.301113][ T7704] [16397.302961][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16397.302961][ T7704] neigh_parms_alloc+0x1e5/0x510 [16397.302961][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16397.302961][ T7704] ipv6_find_idev+0x102/0x170 [16397.302961][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16397.302961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16397.302961][ T7704] netlink_rcv_skb+0x130/0x360 [16397.302961][ T7704] netlink_unicast+0x449/0x710 [16397.302961][ T7704] netlink_sendmsg+0x723/0xbe0 [16397.302961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16397.302961][ T7704] ___sys_sendmsg+0xee/0x170 [16397.302961][ T7704] __sys_sendmsg+0xcd/0x170 [16397.302961][ T7704] do_syscall_64+0xc6/0x1e0 [16397.302961][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16397.302961][ T7704] [16407.548907][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16407.549680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16407.549680][ T7704] netdev_get_by_index+0x5e/0x80 [16407.549680][ T7704] fib6_nh_init+0x3d8/0x15b0 [16407.549680][ T7704] ip6_route_info_create+0xf18/0x17d0 [16407.549680][ T7704] ip6_route_add+0x1c/0x140 [16407.549680][ T7704] addrconf_prefix_route+0x2a6/0x430 [16407.549680][ T7704] inet6_addr_add+0x4f8/0xa40 [16407.549680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16407.549680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16407.549680][ T7704] netlink_rcv_skb+0x130/0x360 [16407.549680][ T7704] netlink_unicast+0x449/0x710 [16407.549680][ T7704] netlink_sendmsg+0x723/0xbe0 [16407.549680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16407.549680][ T7704] ___sys_sendmsg+0xee/0x170 [16407.549680][ T7704] __sys_sendmsg+0xcd/0x170 [16407.549680][ T7704] do_syscall_64+0xc6/0x1e0 [16407.549680][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16407.549680][ T7704] [16407.552592][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16407.552592][ T7704] netdev_get_by_index+0x5e/0x80 [16407.552592][ T7704] fib6_nh_init+0x3d8/0x15b0 [16407.552592][ T7704] ip6_route_info_create+0xf18/0x17d0 [16407.552592][ T7704] addrconf_f6i_alloc+0x315/0x560 [16407.552592][ T7704] ipv6_add_addr+0x411/0x2000 [16407.552592][ T7704] inet6_addr_add+0x30e/0xa40 [16407.552592][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16407.552592][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16407.552592][ T7704] netlink_rcv_skb+0x130/0x360 [16407.552592][ T7704] netlink_unicast+0x449/0x710 [16407.552592][ T7704] netlink_sendmsg+0x723/0xbe0 [16407.552592][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16407.552592][ T7704] ___sys_sendmsg+0xee/0x170 [16407.552592][ T7704] __sys_sendmsg+0xcd/0x170 [16407.552592][ T7704] do_syscall_64+0xc6/0x1e0 [16407.552592][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16407.552592][ T7704] [16407.555026][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16407.555026][ T7704] netdev_get_by_index+0x5e/0x80 [16407.555026][ T7704] fib6_nh_init+0x3d8/0x15b0 [16407.555026][ T7704] ip6_route_info_create+0xf18/0x17d0 [16407.555026][ T7704] ip6_route_add+0x1c/0x140 [16407.555026][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16407.555026][ T7704] addrconf_add_dev+0xe2/0x170 [16407.555026][ T7704] inet6_addr_add+0x12f/0xa40 [16407.555026][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16407.555026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16407.555026][ T7704] netlink_rcv_skb+0x130/0x360 [16407.555026][ T7704] netlink_unicast+0x449/0x710 [16407.555026][ T7704] netlink_sendmsg+0x723/0xbe0 [16407.555026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16407.555026][ T7704] ___sys_sendmsg+0xee/0x170 [16407.555026][ T7704] __sys_sendmsg+0xcd/0x170 [16407.555026][ T7704] do_syscall_64+0xc6/0x1e0 [16407.555026][ T7704] [16407.557414][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16407.557414][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16407.557414][ T7704] ipv6_find_idev+0x102/0x170 [16407.557414][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16407.557414][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16407.557414][ T7704] netlink_rcv_skb+0x130/0x360 [16407.557414][ T7704] netlink_unicast+0x449/0x710 [16407.557414][ T7704] netlink_sendmsg+0x723/0xbe0 [16407.557414][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16407.557414][ T7704] ___sys_sendmsg+0xee/0x170 [16407.557414][ T7704] __sys_sendmsg+0xcd/0x170 [16407.557414][ T7704] do_syscall_64+0xc6/0x1e0 [16407.557414][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16407.557414][ T7704] [16407.559413][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16407.559413][ T7704] neigh_parms_alloc+0x1e5/0x510 [16407.559413][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16407.559413][ T7704] ipv6_find_idev+0x102/0x170 [16407.559413][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16407.559413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16407.559413][ T7704] netlink_rcv_skb+0x130/0x360 [16407.559413][ T7704] netlink_unicast+0x449/0x710 [16407.559413][ T7704] netlink_sendmsg+0x723/0xbe0 [16407.559413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16407.559413][ T7704] ___sys_sendmsg+0xee/0x170 [16407.559413][ T7704] __sys_sendmsg+0xcd/0x170 [16407.559413][ T7704] do_syscall_64+0xc6/0x1e0 [16407.559413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16407.559413][ T7704] [16417.668892][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16417.669678][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16417.669678][ T7704] netdev_get_by_index+0x5e/0x80 [16417.669678][ T7704] fib6_nh_init+0x3d8/0x15b0 [16417.669678][ T7704] ip6_route_info_create+0xf18/0x17d0 [16417.669678][ T7704] ip6_route_add+0x1c/0x140 [16417.669678][ T7704] addrconf_prefix_route+0x2a6/0x430 [16417.669678][ T7704] inet6_addr_add+0x4f8/0xa40 [16417.669678][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16417.669678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16417.669678][ T7704] netlink_rcv_skb+0x130/0x360 [16417.669678][ T7704] netlink_unicast+0x449/0x710 [16417.669678][ T7704] netlink_sendmsg+0x723/0xbe0 [16417.669678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16417.669678][ T7704] ___sys_sendmsg+0xee/0x170 [16417.669678][ T7704] __sys_sendmsg+0xcd/0x170 [16417.669678][ T7704] do_syscall_64+0xc6/0x1e0 [16417.669678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16417.669678][ T7704] [16417.672091][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16417.672091][ T7704] netdev_get_by_index+0x5e/0x80 [16417.672091][ T7704] fib6_nh_init+0x3d8/0x15b0 [16417.672091][ T7704] ip6_route_info_create+0xf18/0x17d0 [16417.672091][ T7704] addrconf_f6i_alloc+0x315/0x560 [16417.672091][ T7704] ipv6_add_addr+0x411/0x2000 [16417.672091][ T7704] inet6_addr_add+0x30e/0xa40 [16417.672091][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16417.672091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16417.672091][ T7704] netlink_rcv_skb+0x130/0x360 [16417.672091][ T7704] netlink_unicast+0x449/0x710 [16417.672091][ T7704] netlink_sendmsg+0x723/0xbe0 [16417.672091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16417.672091][ T7704] ___sys_sendmsg+0xee/0x170 [16417.672091][ T7704] __sys_sendmsg+0xcd/0x170 [16417.672091][ T7704] do_syscall_64+0xc6/0x1e0 [16417.672091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16417.672091][ T7704] [16417.674478][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16417.674478][ T7704] netdev_get_by_index+0x5e/0x80 [16417.674478][ T7704] fib6_nh_init+0x3d8/0x15b0 [16417.674478][ T7704] ip6_route_info_create+0xf18/0x17d0 [16417.674478][ T7704] ip6_route_add+0x1c/0x140 [16417.674478][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16417.674478][ T7704] addrconf_add_dev+0xe2/0x170 [16417.674478][ T7704] inet6_addr_add+0x12f/0xa40 [16417.674478][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16417.674478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16417.674478][ T7704] netlink_rcv_skb+0x130/0x360 [16417.674478][ T7704] netlink_unicast+0x449/0x710 [16417.674478][ T7704] netlink_sendmsg+0x723/0xbe0 [16417.674478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16417.674478][ T7704] ___sys_sendmsg+0xee/0x170 [16417.674478][ T7704] __sys_sendmsg+0xcd/0x170 [16417.674478][ T7704] do_syscall_64+0xc6/0x1e0 [16417.674478][ T7704] [16417.676807][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16417.676807][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16417.676807][ T7704] ipv6_find_idev+0x102/0x170 [16417.676807][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16417.676807][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16417.676807][ T7704] netlink_rcv_skb+0x130/0x360 [16417.676807][ T7704] netlink_unicast+0x449/0x710 [16417.676807][ T7704] netlink_sendmsg+0x723/0xbe0 [16417.676807][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16417.676807][ T7704] ___sys_sendmsg+0xee/0x170 [16417.676807][ T7704] __sys_sendmsg+0xcd/0x170 [16417.676807][ T7704] do_syscall_64+0xc6/0x1e0 [16417.676807][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16417.676807][ T7704] [16417.678626][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16417.678626][ T7704] neigh_parms_alloc+0x1e5/0x510 [16417.678626][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16417.678626][ T7704] ipv6_find_idev+0x102/0x170 [16417.678626][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16417.678626][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16417.678626][ T7704] netlink_rcv_skb+0x130/0x360 [16417.678626][ T7704] netlink_unicast+0x449/0x710 [16417.678626][ T7704] netlink_sendmsg+0x723/0xbe0 [16417.678626][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16417.678626][ T7704] ___sys_sendmsg+0xee/0x170 [16417.678626][ T7704] __sys_sendmsg+0xcd/0x170 [16417.678626][ T7704] do_syscall_64+0xc6/0x1e0 [16417.678626][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16417.678626][ T7704] [16427.860879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16427.861640][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16427.861640][ T7704] netdev_get_by_index+0x5e/0x80 [16427.861640][ T7704] fib6_nh_init+0x3d8/0x15b0 [16427.861640][ T7704] ip6_route_info_create+0xf18/0x17d0 [16427.861640][ T7704] ip6_route_add+0x1c/0x140 [16427.861640][ T7704] addrconf_prefix_route+0x2a6/0x430 [16427.861640][ T7704] inet6_addr_add+0x4f8/0xa40 [16427.861640][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16427.861640][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16427.861640][ T7704] netlink_rcv_skb+0x130/0x360 [16427.861640][ T7704] netlink_unicast+0x449/0x710 [16427.861640][ T7704] netlink_sendmsg+0x723/0xbe0 [16427.861640][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16427.861640][ T7704] ___sys_sendmsg+0xee/0x170 [16427.861640][ T7704] __sys_sendmsg+0xcd/0x170 [16427.861640][ T7704] do_syscall_64+0xc6/0x1e0 [16427.861640][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16427.861640][ T7704] [16427.864189][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16427.864189][ T7704] netdev_get_by_index+0x5e/0x80 [16427.864189][ T7704] fib6_nh_init+0x3d8/0x15b0 [16427.864189][ T7704] ip6_route_info_create+0xf18/0x17d0 [16427.864189][ T7704] addrconf_f6i_alloc+0x315/0x560 [16427.864189][ T7704] ipv6_add_addr+0x411/0x2000 [16427.864189][ T7704] inet6_addr_add+0x30e/0xa40 [16427.864189][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16427.864189][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16427.864189][ T7704] netlink_rcv_skb+0x130/0x360 [16427.864189][ T7704] netlink_unicast+0x449/0x710 [16427.864189][ T7704] netlink_sendmsg+0x723/0xbe0 [16427.864189][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16427.864189][ T7704] ___sys_sendmsg+0xee/0x170 [16427.864189][ T7704] __sys_sendmsg+0xcd/0x170 [16427.864189][ T7704] do_syscall_64+0xc6/0x1e0 [16427.864189][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16427.864189][ T7704] [16427.866732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16427.866732][ T7704] netdev_get_by_index+0x5e/0x80 [16427.866732][ T7704] fib6_nh_init+0x3d8/0x15b0 [16427.866732][ T7704] ip6_route_info_create+0xf18/0x17d0 [16427.866732][ T7704] ip6_route_add+0x1c/0x140 [16427.866732][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16427.866732][ T7704] addrconf_add_dev+0xe2/0x170 [16427.866732][ T7704] inet6_addr_add+0x12f/0xa40 [16427.866732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16427.866732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16427.866732][ T7704] netlink_rcv_skb+0x130/0x360 [16427.866732][ T7704] netlink_unicast+0x449/0x710 [16427.866732][ T7704] netlink_sendmsg+0x723/0xbe0 [16427.866732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16427.866732][ T7704] ___sys_sendmsg+0xee/0x170 [16427.866732][ T7704] __sys_sendmsg+0xcd/0x170 [16427.866732][ T7704] do_syscall_64+0xc6/0x1e0 [16427.866732][ T7704] [16427.869171][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16427.869171][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16427.869171][ T7704] ipv6_find_idev+0x102/0x170 [16427.869171][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16427.869171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16427.869171][ T7704] netlink_rcv_skb+0x130/0x360 [16427.869171][ T7704] netlink_unicast+0x449/0x710 [16427.869171][ T7704] netlink_sendmsg+0x723/0xbe0 [16427.869171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16427.869171][ T7704] ___sys_sendmsg+0xee/0x170 [16427.869171][ T7704] __sys_sendmsg+0xcd/0x170 [16427.869171][ T7704] do_syscall_64+0xc6/0x1e0 [16427.869171][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16427.869171][ T7704] [16427.871158][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16427.871158][ T7704] neigh_parms_alloc+0x1e5/0x510 [16427.871158][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16427.871158][ T7704] ipv6_find_idev+0x102/0x170 [16427.871158][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16427.871158][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16427.871158][ T7704] netlink_rcv_skb+0x130/0x360 [16427.871158][ T7704] netlink_unicast+0x449/0x710 [16427.871158][ T7704] netlink_sendmsg+0x723/0xbe0 [16427.871158][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16427.871158][ T7704] ___sys_sendmsg+0xee/0x170 [16427.871158][ T7704] __sys_sendmsg+0xcd/0x170 [16427.871158][ T7704] do_syscall_64+0xc6/0x1e0 [16427.871158][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16427.871158][ T7704] [16438.108873][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16438.109550][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16438.109550][ T7704] netdev_get_by_index+0x5e/0x80 [16438.109550][ T7704] fib6_nh_init+0x3d8/0x15b0 [16438.109550][ T7704] ip6_route_info_create+0xf18/0x17d0 [16438.109550][ T7704] ip6_route_add+0x1c/0x140 [16438.109550][ T7704] addrconf_prefix_route+0x2a6/0x430 [16438.109550][ T7704] inet6_addr_add+0x4f8/0xa40 [16438.109550][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16438.109550][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16438.109550][ T7704] netlink_rcv_skb+0x130/0x360 [16438.109550][ T7704] netlink_unicast+0x449/0x710 [16438.109550][ T7704] netlink_sendmsg+0x723/0xbe0 [16438.109550][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16438.109550][ T7704] ___sys_sendmsg+0xee/0x170 [16438.109550][ T7704] __sys_sendmsg+0xcd/0x170 [16438.109550][ T7704] do_syscall_64+0xc6/0x1e0 [16438.109550][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16438.109550][ T7704] [16438.112028][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16438.112028][ T7704] netdev_get_by_index+0x5e/0x80 [16438.112028][ T7704] fib6_nh_init+0x3d8/0x15b0 [16438.112028][ T7704] ip6_route_info_create+0xf18/0x17d0 [16438.112028][ T7704] addrconf_f6i_alloc+0x315/0x560 [16438.112028][ T7704] ipv6_add_addr+0x411/0x2000 [16438.112028][ T7704] inet6_addr_add+0x30e/0xa40 [16438.112028][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16438.112028][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16438.112028][ T7704] netlink_rcv_skb+0x130/0x360 [16438.112028][ T7704] netlink_unicast+0x449/0x710 [16438.112028][ T7704] netlink_sendmsg+0x723/0xbe0 [16438.112028][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16438.112028][ T7704] ___sys_sendmsg+0xee/0x170 [16438.112028][ T7704] __sys_sendmsg+0xcd/0x170 [16438.112028][ T7704] do_syscall_64+0xc6/0x1e0 [16438.112028][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16438.112028][ T7704] [16438.114543][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16438.114543][ T7704] netdev_get_by_index+0x5e/0x80 [16438.114543][ T7704] fib6_nh_init+0x3d8/0x15b0 [16438.114543][ T7704] ip6_route_info_create+0xf18/0x17d0 [16438.114543][ T7704] ip6_route_add+0x1c/0x140 [16438.114543][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16438.114543][ T7704] addrconf_add_dev+0xe2/0x170 [16438.114543][ T7704] inet6_addr_add+0x12f/0xa40 [16438.114543][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16438.114543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16438.114543][ T7704] netlink_rcv_skb+0x130/0x360 [16438.114543][ T7704] netlink_unicast+0x449/0x710 [16438.114543][ T7704] netlink_sendmsg+0x723/0xbe0 [16438.114543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16438.114543][ T7704] ___sys_sendmsg+0xee/0x170 [16438.114543][ T7704] __sys_sendmsg+0xcd/0x170 [16438.114543][ T7704] do_syscall_64+0xc6/0x1e0 [16438.114543][ T7704] [16438.116943][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16438.116943][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16438.116943][ T7704] ipv6_find_idev+0x102/0x170 [16438.116943][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16438.116943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16438.116943][ T7704] netlink_rcv_skb+0x130/0x360 [16438.116943][ T7704] netlink_unicast+0x449/0x710 [16438.116943][ T7704] netlink_sendmsg+0x723/0xbe0 [16438.116943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16438.116943][ T7704] ___sys_sendmsg+0xee/0x170 [16438.116943][ T7704] __sys_sendmsg+0xcd/0x170 [16438.116943][ T7704] do_syscall_64+0xc6/0x1e0 [16438.116943][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16438.116943][ T7704] [16438.118824][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16438.118824][ T7704] neigh_parms_alloc+0x1e5/0x510 [16438.118824][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16438.118824][ T7704] ipv6_find_idev+0x102/0x170 [16438.118824][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16438.118824][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16438.118824][ T7704] netlink_rcv_skb+0x130/0x360 [16438.118824][ T7704] netlink_unicast+0x449/0x710 [16438.118824][ T7704] netlink_sendmsg+0x723/0xbe0 [16438.118824][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16438.118824][ T7704] ___sys_sendmsg+0xee/0x170 [16438.118824][ T7704] __sys_sendmsg+0xcd/0x170 [16438.118824][ T7704] do_syscall_64+0xc6/0x1e0 [16438.118824][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16438.118824][ T7704] [16448.356821][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16448.357445][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16448.357445][ T7704] netdev_get_by_index+0x5e/0x80 [16448.357445][ T7704] fib6_nh_init+0x3d8/0x15b0 [16448.357445][ T7704] ip6_route_info_create+0xf18/0x17d0 [16448.357445][ T7704] ip6_route_add+0x1c/0x140 [16448.357445][ T7704] addrconf_prefix_route+0x2a6/0x430 [16448.357445][ T7704] inet6_addr_add+0x4f8/0xa40 [16448.357445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16448.357445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16448.357445][ T7704] netlink_rcv_skb+0x130/0x360 [16448.357445][ T7704] netlink_unicast+0x449/0x710 [16448.357445][ T7704] netlink_sendmsg+0x723/0xbe0 [16448.357445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16448.357445][ T7704] ___sys_sendmsg+0xee/0x170 [16448.357445][ T7704] __sys_sendmsg+0xcd/0x170 [16448.357445][ T7704] do_syscall_64+0xc6/0x1e0 [16448.357445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16448.357445][ T7704] [16448.360329][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16448.360329][ T7704] netdev_get_by_index+0x5e/0x80 [16448.360329][ T7704] fib6_nh_init+0x3d8/0x15b0 [16448.360329][ T7704] ip6_route_info_create+0xf18/0x17d0 [16448.360329][ T7704] addrconf_f6i_alloc+0x315/0x560 [16448.360329][ T7704] ipv6_add_addr+0x411/0x2000 [16448.360329][ T7704] inet6_addr_add+0x30e/0xa40 [16448.360329][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16448.360329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16448.360329][ T7704] netlink_rcv_skb+0x130/0x360 [16448.360329][ T7704] netlink_unicast+0x449/0x710 [16448.360329][ T7704] netlink_sendmsg+0x723/0xbe0 [16448.360329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16448.360329][ T7704] ___sys_sendmsg+0xee/0x170 [16448.360329][ T7704] __sys_sendmsg+0xcd/0x170 [16448.360329][ T7704] do_syscall_64+0xc6/0x1e0 [16448.360329][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16448.360329][ T7704] [16448.362832][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16448.362832][ T7704] netdev_get_by_index+0x5e/0x80 [16448.362832][ T7704] fib6_nh_init+0x3d8/0x15b0 [16448.362832][ T7704] ip6_route_info_create+0xf18/0x17d0 [16448.362832][ T7704] ip6_route_add+0x1c/0x140 [16448.362832][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16448.362832][ T7704] addrconf_add_dev+0xe2/0x170 [16448.362832][ T7704] inet6_addr_add+0x12f/0xa40 [16448.362832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16448.362832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16448.362832][ T7704] netlink_rcv_skb+0x130/0x360 [16448.362832][ T7704] netlink_unicast+0x449/0x710 [16448.362832][ T7704] netlink_sendmsg+0x723/0xbe0 [16448.362832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16448.362832][ T7704] ___sys_sendmsg+0xee/0x170 [16448.362832][ T7704] __sys_sendmsg+0xcd/0x170 [16448.362832][ T7704] do_syscall_64+0xc6/0x1e0 [16448.362832][ T7704] [16448.365344][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16448.365344][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16448.365344][ T7704] ipv6_find_idev+0x102/0x170 [16448.365344][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16448.365344][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16448.365344][ T7704] netlink_rcv_skb+0x130/0x360 [16448.365344][ T7704] netlink_unicast+0x449/0x710 [16448.365344][ T7704] netlink_sendmsg+0x723/0xbe0 [16448.365344][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16448.365344][ T7704] ___sys_sendmsg+0xee/0x170 [16448.365344][ T7704] __sys_sendmsg+0xcd/0x170 [16448.365344][ T7704] do_syscall_64+0xc6/0x1e0 [16448.365344][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16448.365344][ T7704] [16448.367437][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16448.367437][ T7704] neigh_parms_alloc+0x1e5/0x510 [16448.367437][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16448.367437][ T7704] ipv6_find_idev+0x102/0x170 [16448.367437][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16448.367437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16448.367437][ T7704] netlink_rcv_skb+0x130/0x360 [16448.367437][ T7704] netlink_unicast+0x449/0x710 [16448.367437][ T7704] netlink_sendmsg+0x723/0xbe0 [16448.367437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16448.367437][ T7704] ___sys_sendmsg+0xee/0x170 [16448.367437][ T7704] __sys_sendmsg+0xcd/0x170 [16448.367437][ T7704] do_syscall_64+0xc6/0x1e0 [16448.367437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16448.367437][ T7704] [16458.604854][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16458.605371][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16458.605371][ T7704] netdev_get_by_index+0x5e/0x80 [16458.605371][ T7704] fib6_nh_init+0x3d8/0x15b0 [16458.605371][ T7704] ip6_route_info_create+0xf18/0x17d0 [16458.605371][ T7704] ip6_route_add+0x1c/0x140 [16458.605371][ T7704] addrconf_prefix_route+0x2a6/0x430 [16458.605371][ T7704] inet6_addr_add+0x4f8/0xa40 [16458.605371][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16458.605371][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16458.605371][ T7704] netlink_rcv_skb+0x130/0x360 [16458.605371][ T7704] netlink_unicast+0x449/0x710 [16458.605371][ T7704] netlink_sendmsg+0x723/0xbe0 [16458.605371][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16458.605371][ T7704] ___sys_sendmsg+0xee/0x170 [16458.605371][ T7704] __sys_sendmsg+0xcd/0x170 [16458.605371][ T7704] do_syscall_64+0xc6/0x1e0 [16458.605371][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16458.605371][ T7704] [16458.607556][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16458.607556][ T7704] netdev_get_by_index+0x5e/0x80 [16458.607556][ T7704] fib6_nh_init+0x3d8/0x15b0 [16458.607556][ T7704] ip6_route_info_create+0xf18/0x17d0 [16458.607556][ T7704] addrconf_f6i_alloc+0x315/0x560 [16458.607556][ T7704] ipv6_add_addr+0x411/0x2000 [16458.607556][ T7704] inet6_addr_add+0x30e/0xa40 [16458.607556][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16458.607556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16458.607556][ T7704] netlink_rcv_skb+0x130/0x360 [16458.607556][ T7704] netlink_unicast+0x449/0x710 [16458.607556][ T7704] netlink_sendmsg+0x723/0xbe0 [16458.607556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16458.607556][ T7704] ___sys_sendmsg+0xee/0x170 [16458.607556][ T7704] __sys_sendmsg+0xcd/0x170 [16458.607556][ T7704] do_syscall_64+0xc6/0x1e0 [16458.607556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16458.607556][ T7704] [16458.609712][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16458.609712][ T7704] netdev_get_by_index+0x5e/0x80 [16458.609712][ T7704] fib6_nh_init+0x3d8/0x15b0 [16458.609712][ T7704] ip6_route_info_create+0xf18/0x17d0 [16458.609712][ T7704] ip6_route_add+0x1c/0x140 [16458.609712][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16458.609712][ T7704] addrconf_add_dev+0xe2/0x170 [16458.609712][ T7704] inet6_addr_add+0x12f/0xa40 [16458.609712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16458.609712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16458.609712][ T7704] netlink_rcv_skb+0x130/0x360 [16458.609712][ T7704] netlink_unicast+0x449/0x710 [16458.609712][ T7704] netlink_sendmsg+0x723/0xbe0 [16458.609712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16458.609712][ T7704] ___sys_sendmsg+0xee/0x170 [16458.609712][ T7704] __sys_sendmsg+0xcd/0x170 [16458.609712][ T7704] do_syscall_64+0xc6/0x1e0 [16458.609712][ T7704] [16458.611869][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16458.611869][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16458.611869][ T7704] ipv6_find_idev+0x102/0x170 [16458.611869][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16458.611869][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16458.611869][ T7704] netlink_rcv_skb+0x130/0x360 [16458.611869][ T7704] netlink_unicast+0x449/0x710 [16458.611869][ T7704] netlink_sendmsg+0x723/0xbe0 [16458.611869][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16458.611869][ T7704] ___sys_sendmsg+0xee/0x170 [16458.611869][ T7704] __sys_sendmsg+0xcd/0x170 [16458.611869][ T7704] do_syscall_64+0xc6/0x1e0 [16458.611869][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16458.611869][ T7704] [16458.613467][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16458.613467][ T7704] neigh_parms_alloc+0x1e5/0x510 [16458.613467][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16458.613467][ T7704] ipv6_find_idev+0x102/0x170 [16458.613467][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16458.613467][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16458.613467][ T7704] netlink_rcv_skb+0x130/0x360 [16458.613467][ T7704] netlink_unicast+0x449/0x710 [16458.613467][ T7704] netlink_sendmsg+0x723/0xbe0 [16458.613467][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16458.613467][ T7704] ___sys_sendmsg+0xee/0x170 [16458.613467][ T7704] __sys_sendmsg+0xcd/0x170 [16458.613467][ T7704] do_syscall_64+0xc6/0x1e0 [16458.613467][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16458.613467][ T7704] [16468.852903][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16468.853938][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16468.853938][ T7704] netdev_get_by_index+0x5e/0x80 [16468.853938][ T7704] fib6_nh_init+0x3d8/0x15b0 [16468.853938][ T7704] ip6_route_info_create+0xf18/0x17d0 [16468.853938][ T7704] ip6_route_add+0x1c/0x140 [16468.853938][ T7704] addrconf_prefix_route+0x2a6/0x430 [16468.853938][ T7704] inet6_addr_add+0x4f8/0xa40 [16468.853938][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16468.853938][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16468.853938][ T7704] netlink_rcv_skb+0x130/0x360 [16468.853938][ T7704] netlink_unicast+0x449/0x710 [16468.853938][ T7704] netlink_sendmsg+0x723/0xbe0 [16468.853938][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16468.853938][ T7704] ___sys_sendmsg+0xee/0x170 [16468.853938][ T7704] __sys_sendmsg+0xcd/0x170 [16468.853938][ T7704] do_syscall_64+0xc6/0x1e0 [16468.853938][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16468.853938][ T7704] [16468.856051][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16468.856051][ T7704] netdev_get_by_index+0x5e/0x80 [16468.856051][ T7704] fib6_nh_init+0x3d8/0x15b0 [16468.856051][ T7704] ip6_route_info_create+0xf18/0x17d0 [16468.856051][ T7704] addrconf_f6i_alloc+0x315/0x560 [16468.856051][ T7704] ipv6_add_addr+0x411/0x2000 [16468.856051][ T7704] inet6_addr_add+0x30e/0xa40 [16468.856051][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16468.856051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16468.856051][ T7704] netlink_rcv_skb+0x130/0x360 [16468.856051][ T7704] netlink_unicast+0x449/0x710 [16468.856051][ T7704] netlink_sendmsg+0x723/0xbe0 [16468.856051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16468.856051][ T7704] ___sys_sendmsg+0xee/0x170 [16468.856051][ T7704] __sys_sendmsg+0xcd/0x170 [16468.856051][ T7704] do_syscall_64+0xc6/0x1e0 [16468.856051][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16468.856051][ T7704] [16468.858286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16468.858286][ T7704] netdev_get_by_index+0x5e/0x80 [16468.858286][ T7704] fib6_nh_init+0x3d8/0x15b0 [16468.858286][ T7704] ip6_route_info_create+0xf18/0x17d0 [16468.858286][ T7704] ip6_route_add+0x1c/0x140 [16468.858286][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16468.858286][ T7704] addrconf_add_dev+0xe2/0x170 [16468.858286][ T7704] inet6_addr_add+0x12f/0xa40 [16468.858286][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16468.858286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16468.858286][ T7704] netlink_rcv_skb+0x130/0x360 [16468.858286][ T7704] netlink_unicast+0x449/0x710 [16468.858286][ T7704] netlink_sendmsg+0x723/0xbe0 [16468.858286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16468.858286][ T7704] ___sys_sendmsg+0xee/0x170 [16468.858286][ T7704] __sys_sendmsg+0xcd/0x170 [16468.858286][ T7704] do_syscall_64+0xc6/0x1e0 [16468.858286][ T7704] [16468.860458][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16468.860458][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16468.860458][ T7704] ipv6_find_idev+0x102/0x170 [16468.860458][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16468.860458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16468.860458][ T7704] netlink_rcv_skb+0x130/0x360 [16468.860458][ T7704] netlink_unicast+0x449/0x710 [16468.860458][ T7704] netlink_sendmsg+0x723/0xbe0 [16468.860458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16468.860458][ T7704] ___sys_sendmsg+0xee/0x170 [16468.860458][ T7704] __sys_sendmsg+0xcd/0x170 [16468.860458][ T7704] do_syscall_64+0xc6/0x1e0 [16468.860458][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16468.860458][ T7704] [16468.862145][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16468.862145][ T7704] neigh_parms_alloc+0x1e5/0x510 [16468.862145][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16468.862145][ T7704] ipv6_find_idev+0x102/0x170 [16468.862145][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16468.862145][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16468.862145][ T7704] netlink_rcv_skb+0x130/0x360 [16468.862145][ T7704] netlink_unicast+0x449/0x710 [16468.862145][ T7704] netlink_sendmsg+0x723/0xbe0 [16468.862145][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16468.862145][ T7704] ___sys_sendmsg+0xee/0x170 [16468.862145][ T7704] __sys_sendmsg+0xcd/0x170 [16468.862145][ T7704] do_syscall_64+0xc6/0x1e0 [16468.862145][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16468.862145][ T7704] [16479.100886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16479.101486][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16479.101486][ T7704] netdev_get_by_index+0x5e/0x80 [16479.101486][ T7704] fib6_nh_init+0x3d8/0x15b0 [16479.101486][ T7704] ip6_route_info_create+0xf18/0x17d0 [16479.101486][ T7704] ip6_route_add+0x1c/0x140 [16479.101486][ T7704] addrconf_prefix_route+0x2a6/0x430 [16479.101486][ T7704] inet6_addr_add+0x4f8/0xa40 [16479.101486][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16479.101486][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16479.101486][ T7704] netlink_rcv_skb+0x130/0x360 [16479.101486][ T7704] netlink_unicast+0x449/0x710 [16479.101486][ T7704] netlink_sendmsg+0x723/0xbe0 [16479.101486][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16479.101486][ T7704] ___sys_sendmsg+0xee/0x170 [16479.101486][ T7704] __sys_sendmsg+0xcd/0x170 [16479.101486][ T7704] do_syscall_64+0xc6/0x1e0 [16479.101486][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16479.101486][ T7704] [16479.103958][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16479.103958][ T7704] netdev_get_by_index+0x5e/0x80 [16479.103958][ T7704] fib6_nh_init+0x3d8/0x15b0 [16479.103958][ T7704] ip6_route_info_create+0xf18/0x17d0 [16479.103958][ T7704] addrconf_f6i_alloc+0x315/0x560 [16479.103958][ T7704] ipv6_add_addr+0x411/0x2000 [16479.103958][ T7704] inet6_addr_add+0x30e/0xa40 [16479.103958][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16479.103958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16479.103958][ T7704] netlink_rcv_skb+0x130/0x360 [16479.103958][ T7704] netlink_unicast+0x449/0x710 [16479.103958][ T7704] netlink_sendmsg+0x723/0xbe0 [16479.103958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16479.103958][ T7704] ___sys_sendmsg+0xee/0x170 [16479.103958][ T7704] __sys_sendmsg+0xcd/0x170 [16479.103958][ T7704] do_syscall_64+0xc6/0x1e0 [16479.103958][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16479.103958][ T7704] [16479.106404][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16479.106404][ T7704] netdev_get_by_index+0x5e/0x80 [16479.106404][ T7704] fib6_nh_init+0x3d8/0x15b0 [16479.106404][ T7704] ip6_route_info_create+0xf18/0x17d0 [16479.106404][ T7704] ip6_route_add+0x1c/0x140 [16479.106404][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16479.106404][ T7704] addrconf_add_dev+0xe2/0x170 [16479.106404][ T7704] inet6_addr_add+0x12f/0xa40 [16479.106404][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16479.106404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16479.106404][ T7704] netlink_rcv_skb+0x130/0x360 [16479.106404][ T7704] netlink_unicast+0x449/0x710 [16479.106404][ T7704] netlink_sendmsg+0x723/0xbe0 [16479.106404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16479.106404][ T7704] ___sys_sendmsg+0xee/0x170 [16479.106404][ T7704] __sys_sendmsg+0xcd/0x170 [16479.106404][ T7704] do_syscall_64+0xc6/0x1e0 [16479.106404][ T7704] [16479.108748][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16479.108748][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16479.108748][ T7704] ipv6_find_idev+0x102/0x170 [16479.108748][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16479.108748][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16479.108748][ T7704] netlink_rcv_skb+0x130/0x360 [16479.108748][ T7704] netlink_unicast+0x449/0x710 [16479.108748][ T7704] netlink_sendmsg+0x723/0xbe0 [16479.108748][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16479.108748][ T7704] ___sys_sendmsg+0xee/0x170 [16479.108748][ T7704] __sys_sendmsg+0xcd/0x170 [16479.108748][ T7704] do_syscall_64+0xc6/0x1e0 [16479.108748][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16479.108748][ T7704] [16479.110659][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16479.110659][ T7704] neigh_parms_alloc+0x1e5/0x510 [16479.110659][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16479.110659][ T7704] ipv6_find_idev+0x102/0x170 [16479.110659][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16479.110659][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16479.110659][ T7704] netlink_rcv_skb+0x130/0x360 [16479.110659][ T7704] netlink_unicast+0x449/0x710 [16479.110659][ T7704] netlink_sendmsg+0x723/0xbe0 [16479.110659][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16479.110659][ T7704] ___sys_sendmsg+0xee/0x170 [16479.110659][ T7704] __sys_sendmsg+0xcd/0x170 [16479.110659][ T7704] do_syscall_64+0xc6/0x1e0 [16479.110659][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16479.110659][ T7704] [16489.228908][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16489.230056][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16489.230056][ T7704] netdev_get_by_index+0x5e/0x80 [16489.230056][ T7704] fib6_nh_init+0x3d8/0x15b0 [16489.230056][ T7704] ip6_route_info_create+0xf18/0x17d0 [16489.230056][ T7704] ip6_route_add+0x1c/0x140 [16489.230056][ T7704] addrconf_prefix_route+0x2a6/0x430 [16489.230056][ T7704] inet6_addr_add+0x4f8/0xa40 [16489.230056][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16489.230056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16489.230056][ T7704] netlink_rcv_skb+0x130/0x360 [16489.230056][ T7704] netlink_unicast+0x449/0x710 [16489.230056][ T7704] netlink_sendmsg+0x723/0xbe0 [16489.230056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16489.230056][ T7704] ___sys_sendmsg+0xee/0x170 [16489.230056][ T7704] __sys_sendmsg+0xcd/0x170 [16489.230056][ T7704] do_syscall_64+0xc6/0x1e0 [16489.230056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16489.230056][ T7704] [16489.232351][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16489.232351][ T7704] netdev_get_by_index+0x5e/0x80 [16489.232351][ T7704] fib6_nh_init+0x3d8/0x15b0 [16489.232351][ T7704] ip6_route_info_create+0xf18/0x17d0 [16489.232351][ T7704] addrconf_f6i_alloc+0x315/0x560 [16489.232351][ T7704] ipv6_add_addr+0x411/0x2000 [16489.232351][ T7704] inet6_addr_add+0x30e/0xa40 [16489.232351][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16489.232351][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16489.232351][ T7704] netlink_rcv_skb+0x130/0x360 [16489.232351][ T7704] netlink_unicast+0x449/0x710 [16489.232351][ T7704] netlink_sendmsg+0x723/0xbe0 [16489.232351][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16489.232351][ T7704] ___sys_sendmsg+0xee/0x170 [16489.232351][ T7704] __sys_sendmsg+0xcd/0x170 [16489.232351][ T7704] do_syscall_64+0xc6/0x1e0 [16489.232351][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16489.232351][ T7704] [16489.234753][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16489.234753][ T7704] netdev_get_by_index+0x5e/0x80 [16489.234753][ T7704] fib6_nh_init+0x3d8/0x15b0 [16489.234753][ T7704] ip6_route_info_create+0xf18/0x17d0 [16489.234753][ T7704] ip6_route_add+0x1c/0x140 [16489.234753][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16489.234753][ T7704] addrconf_add_dev+0xe2/0x170 [16489.234753][ T7704] inet6_addr_add+0x12f/0xa40 [16489.234753][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16489.234753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16489.234753][ T7704] netlink_rcv_skb+0x130/0x360 [16489.234753][ T7704] netlink_unicast+0x449/0x710 [16489.234753][ T7704] netlink_sendmsg+0x723/0xbe0 [16489.234753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16489.234753][ T7704] ___sys_sendmsg+0xee/0x170 [16489.234753][ T7704] __sys_sendmsg+0xcd/0x170 [16489.234753][ T7704] do_syscall_64+0xc6/0x1e0 [16489.234753][ T7704] [16489.237003][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16489.237003][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16489.237003][ T7704] ipv6_find_idev+0x102/0x170 [16489.237003][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16489.237003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16489.237003][ T7704] netlink_rcv_skb+0x130/0x360 [16489.237003][ T7704] netlink_unicast+0x449/0x710 [16489.237003][ T7704] netlink_sendmsg+0x723/0xbe0 [16489.237003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16489.237003][ T7704] ___sys_sendmsg+0xee/0x170 [16489.237003][ T7704] __sys_sendmsg+0xcd/0x170 [16489.237003][ T7704] do_syscall_64+0xc6/0x1e0 [16489.237003][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16489.237003][ T7704] [16489.239167][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16489.239167][ T7704] neigh_parms_alloc+0x1e5/0x510 [16489.239167][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16489.239167][ T7704] ipv6_find_idev+0x102/0x170 [16489.239167][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16489.239167][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16489.239167][ T7704] netlink_rcv_skb+0x130/0x360 [16489.239167][ T7704] netlink_unicast+0x449/0x710 [16489.239167][ T7704] netlink_sendmsg+0x723/0xbe0 [16489.239167][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16489.239167][ T7704] ___sys_sendmsg+0xee/0x170 [16489.239167][ T7704] __sys_sendmsg+0xcd/0x170 [16489.239167][ T7704] do_syscall_64+0xc6/0x1e0 [16489.239167][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16489.239167][ T7704] [16499.348918][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16499.349991][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16499.349991][ T7704] netdev_get_by_index+0x5e/0x80 [16499.349991][ T7704] fib6_nh_init+0x3d8/0x15b0 [16499.349991][ T7704] ip6_route_info_create+0xf18/0x17d0 [16499.349991][ T7704] ip6_route_add+0x1c/0x140 [16499.349991][ T7704] addrconf_prefix_route+0x2a6/0x430 [16499.349991][ T7704] inet6_addr_add+0x4f8/0xa40 [16499.349991][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16499.349991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16499.349991][ T7704] netlink_rcv_skb+0x130/0x360 [16499.349991][ T7704] netlink_unicast+0x449/0x710 [16499.349991][ T7704] netlink_sendmsg+0x723/0xbe0 [16499.349991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16499.349991][ T7704] ___sys_sendmsg+0xee/0x170 [16499.349991][ T7704] __sys_sendmsg+0xcd/0x170 [16499.349991][ T7704] do_syscall_64+0xc6/0x1e0 [16499.349991][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16499.349991][ T7704] [16499.352383][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16499.352383][ T7704] netdev_get_by_index+0x5e/0x80 [16499.352383][ T7704] fib6_nh_init+0x3d8/0x15b0 [16499.352383][ T7704] ip6_route_info_create+0xf18/0x17d0 [16499.352383][ T7704] addrconf_f6i_alloc+0x315/0x560 [16499.352383][ T7704] ipv6_add_addr+0x411/0x2000 [16499.352383][ T7704] inet6_addr_add+0x30e/0xa40 [16499.352383][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16499.352383][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16499.352383][ T7704] netlink_rcv_skb+0x130/0x360 [16499.352383][ T7704] netlink_unicast+0x449/0x710 [16499.352383][ T7704] netlink_sendmsg+0x723/0xbe0 [16499.352383][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16499.352383][ T7704] ___sys_sendmsg+0xee/0x170 [16499.352383][ T7704] __sys_sendmsg+0xcd/0x170 [16499.352383][ T7704] do_syscall_64+0xc6/0x1e0 [16499.352383][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16499.352383][ T7704] [16499.354630][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16499.354630][ T7704] netdev_get_by_index+0x5e/0x80 [16499.354630][ T7704] fib6_nh_init+0x3d8/0x15b0 [16499.354630][ T7704] ip6_route_info_create+0xf18/0x17d0 [16499.354630][ T7704] ip6_route_add+0x1c/0x140 [16499.354630][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16499.354630][ T7704] addrconf_add_dev+0xe2/0x170 [16499.354630][ T7704] inet6_addr_add+0x12f/0xa40 [16499.354630][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16499.354630][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16499.354630][ T7704] netlink_rcv_skb+0x130/0x360 [16499.354630][ T7704] netlink_unicast+0x449/0x710 [16499.354630][ T7704] netlink_sendmsg+0x723/0xbe0 [16499.354630][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16499.354630][ T7704] ___sys_sendmsg+0xee/0x170 [16499.354630][ T7704] __sys_sendmsg+0xcd/0x170 [16499.354630][ T7704] do_syscall_64+0xc6/0x1e0 [16499.354630][ T7704] [16499.356788][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16499.356788][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16499.356788][ T7704] ipv6_find_idev+0x102/0x170 [16499.356788][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16499.356788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16499.356788][ T7704] netlink_rcv_skb+0x130/0x360 [16499.356788][ T7704] netlink_unicast+0x449/0x710 [16499.356788][ T7704] netlink_sendmsg+0x723/0xbe0 [16499.356788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16499.356788][ T7704] ___sys_sendmsg+0xee/0x170 [16499.356788][ T7704] __sys_sendmsg+0xcd/0x170 [16499.356788][ T7704] do_syscall_64+0xc6/0x1e0 [16499.356788][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16499.356788][ T7704] [16499.358483][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16499.358483][ T7704] neigh_parms_alloc+0x1e5/0x510 [16499.358483][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16499.358483][ T7704] ipv6_find_idev+0x102/0x170 [16499.358483][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16499.358483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16499.358483][ T7704] netlink_rcv_skb+0x130/0x360 [16499.358483][ T7704] netlink_unicast+0x449/0x710 [16499.358483][ T7704] netlink_sendmsg+0x723/0xbe0 [16499.358483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16499.358483][ T7704] ___sys_sendmsg+0xee/0x170 [16499.358483][ T7704] __sys_sendmsg+0xcd/0x170 [16499.358483][ T7704] do_syscall_64+0xc6/0x1e0 [16499.358483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16499.358483][ T7704] [16509.612824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16509.613416][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16509.613416][ T7704] netdev_get_by_index+0x5e/0x80 [16509.613416][ T7704] fib6_nh_init+0x3d8/0x15b0 [16509.613416][ T7704] ip6_route_info_create+0xf18/0x17d0 [16509.613416][ T7704] ip6_route_add+0x1c/0x140 [16509.613416][ T7704] addrconf_prefix_route+0x2a6/0x430 [16509.613416][ T7704] inet6_addr_add+0x4f8/0xa40 [16509.613416][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16509.613416][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16509.613416][ T7704] netlink_rcv_skb+0x130/0x360 [16509.613416][ T7704] netlink_unicast+0x449/0x710 [16509.613416][ T7704] netlink_sendmsg+0x723/0xbe0 [16509.613416][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16509.613416][ T7704] ___sys_sendmsg+0xee/0x170 [16509.613416][ T7704] __sys_sendmsg+0xcd/0x170 [16509.613416][ T7704] do_syscall_64+0xc6/0x1e0 [16509.613416][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16509.613416][ T7704] [16509.615839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16509.615839][ T7704] netdev_get_by_index+0x5e/0x80 [16509.615839][ T7704] fib6_nh_init+0x3d8/0x15b0 [16509.615839][ T7704] ip6_route_info_create+0xf18/0x17d0 [16509.615839][ T7704] addrconf_f6i_alloc+0x315/0x560 [16509.615839][ T7704] ipv6_add_addr+0x411/0x2000 [16509.615839][ T7704] inet6_addr_add+0x30e/0xa40 [16509.615839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16509.615839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16509.615839][ T7704] netlink_rcv_skb+0x130/0x360 [16509.615839][ T7704] netlink_unicast+0x449/0x710 [16509.615839][ T7704] netlink_sendmsg+0x723/0xbe0 [16509.615839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16509.615839][ T7704] ___sys_sendmsg+0xee/0x170 [16509.615839][ T7704] __sys_sendmsg+0xcd/0x170 [16509.615839][ T7704] do_syscall_64+0xc6/0x1e0 [16509.615839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16509.615839][ T7704] [16509.618256][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16509.618256][ T7704] netdev_get_by_index+0x5e/0x80 [16509.618256][ T7704] fib6_nh_init+0x3d8/0x15b0 [16509.618256][ T7704] ip6_route_info_create+0xf18/0x17d0 [16509.618256][ T7704] ip6_route_add+0x1c/0x140 [16509.618256][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16509.618256][ T7704] addrconf_add_dev+0xe2/0x170 [16509.618256][ T7704] inet6_addr_add+0x12f/0xa40 [16509.618256][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16509.618256][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16509.618256][ T7704] netlink_rcv_skb+0x130/0x360 [16509.618256][ T7704] netlink_unicast+0x449/0x710 [16509.618256][ T7704] netlink_sendmsg+0x723/0xbe0 [16509.618256][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16509.618256][ T7704] ___sys_sendmsg+0xee/0x170 [16509.618256][ T7704] __sys_sendmsg+0xcd/0x170 [16509.618256][ T7704] do_syscall_64+0xc6/0x1e0 [16509.618256][ T7704] [16509.620576][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16509.620576][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16509.620576][ T7704] ipv6_find_idev+0x102/0x170 [16509.620576][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16509.620576][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16509.620576][ T7704] netlink_rcv_skb+0x130/0x360 [16509.620576][ T7704] netlink_unicast+0x449/0x710 [16509.620576][ T7704] netlink_sendmsg+0x723/0xbe0 [16509.620576][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16509.620576][ T7704] ___sys_sendmsg+0xee/0x170 [16509.620576][ T7704] __sys_sendmsg+0xcd/0x170 [16509.620576][ T7704] do_syscall_64+0xc6/0x1e0 [16509.620576][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16509.620576][ T7704] [16509.622327][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16509.622327][ T7704] neigh_parms_alloc+0x1e5/0x510 [16509.622327][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16509.622327][ T7704] ipv6_find_idev+0x102/0x170 [16509.622327][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16509.622327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16509.622327][ T7704] netlink_rcv_skb+0x130/0x360 [16509.622327][ T7704] netlink_unicast+0x449/0x710 [16509.622327][ T7704] netlink_sendmsg+0x723/0xbe0 [16509.622327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16509.622327][ T7704] ___sys_sendmsg+0xee/0x170 [16509.622327][ T7704] __sys_sendmsg+0xcd/0x170 [16509.622327][ T7704] do_syscall_64+0xc6/0x1e0 [16509.622327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16509.622327][ T7704] [16519.636884][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16519.637672][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16519.637672][ T7704] netdev_get_by_index+0x5e/0x80 [16519.637672][ T7704] fib6_nh_init+0x3d8/0x15b0 [16519.637672][ T7704] ip6_route_info_create+0xf18/0x17d0 [16519.637672][ T7704] ip6_route_add+0x1c/0x140 [16519.637672][ T7704] addrconf_prefix_route+0x2a6/0x430 [16519.637672][ T7704] inet6_addr_add+0x4f8/0xa40 [16519.637672][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16519.637672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16519.637672][ T7704] netlink_rcv_skb+0x130/0x360 [16519.637672][ T7704] netlink_unicast+0x449/0x710 [16519.637672][ T7704] netlink_sendmsg+0x723/0xbe0 [16519.637672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16519.637672][ T7704] ___sys_sendmsg+0xee/0x170 [16519.637672][ T7704] __sys_sendmsg+0xcd/0x170 [16519.637672][ T7704] do_syscall_64+0xc6/0x1e0 [16519.637672][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16519.637672][ T7704] [16519.640420][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16519.640420][ T7704] netdev_get_by_index+0x5e/0x80 [16519.640420][ T7704] fib6_nh_init+0x3d8/0x15b0 [16519.640420][ T7704] ip6_route_info_create+0xf18/0x17d0 [16519.640420][ T7704] addrconf_f6i_alloc+0x315/0x560 [16519.640420][ T7704] ipv6_add_addr+0x411/0x2000 [16519.640420][ T7704] inet6_addr_add+0x30e/0xa40 [16519.640420][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16519.640420][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16519.640420][ T7704] netlink_rcv_skb+0x130/0x360 [16519.640420][ T7704] netlink_unicast+0x449/0x710 [16519.640420][ T7704] netlink_sendmsg+0x723/0xbe0 [16519.640420][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16519.640420][ T7704] ___sys_sendmsg+0xee/0x170 [16519.640420][ T7704] __sys_sendmsg+0xcd/0x170 [16519.640420][ T7704] do_syscall_64+0xc6/0x1e0 [16519.640420][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16519.640420][ T7704] [16519.643484][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16519.643484][ T7704] netdev_get_by_index+0x5e/0x80 [16519.643484][ T7704] fib6_nh_init+0x3d8/0x15b0 [16519.643484][ T7704] ip6_route_info_create+0xf18/0x17d0 [16519.643484][ T7704] ip6_route_add+0x1c/0x140 [16519.643484][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16519.643484][ T7704] addrconf_add_dev+0xe2/0x170 [16519.643484][ T7704] inet6_addr_add+0x12f/0xa40 [16519.643484][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16519.643484][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16519.643484][ T7704] netlink_rcv_skb+0x130/0x360 [16519.643484][ T7704] netlink_unicast+0x449/0x710 [16519.643484][ T7704] netlink_sendmsg+0x723/0xbe0 [16519.643484][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16519.643484][ T7704] ___sys_sendmsg+0xee/0x170 [16519.643484][ T7704] __sys_sendmsg+0xcd/0x170 [16519.643484][ T7704] do_syscall_64+0xc6/0x1e0 [16519.643484][ T7704] [16519.646093][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16519.646093][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16519.646093][ T7704] ipv6_find_idev+0x102/0x170 [16519.646093][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16519.646093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16519.646093][ T7704] netlink_rcv_skb+0x130/0x360 [16519.646093][ T7704] netlink_unicast+0x449/0x710 [16519.646093][ T7704] netlink_sendmsg+0x723/0xbe0 [16519.646093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16519.646093][ T7704] ___sys_sendmsg+0xee/0x170 [16519.646093][ T7704] __sys_sendmsg+0xcd/0x170 [16519.646093][ T7704] do_syscall_64+0xc6/0x1e0 [16519.646093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16519.646093][ T7704] [16519.648203][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16519.648203][ T7704] neigh_parms_alloc+0x1e5/0x510 [16519.648203][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16519.648203][ T7704] ipv6_find_idev+0x102/0x170 [16519.648203][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16519.648203][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16519.648203][ T7704] netlink_rcv_skb+0x130/0x360 [16519.648203][ T7704] netlink_unicast+0x449/0x710 [16519.648203][ T7704] netlink_sendmsg+0x723/0xbe0 [16519.648203][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16519.648203][ T7704] ___sys_sendmsg+0xee/0x170 [16519.648203][ T7704] __sys_sendmsg+0xcd/0x170 [16519.648203][ T7704] do_syscall_64+0xc6/0x1e0 [16519.648203][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16519.648203][ T7704] [16529.892833][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16529.893509][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16529.893509][ T7704] netdev_get_by_index+0x5e/0x80 [16529.893509][ T7704] fib6_nh_init+0x3d8/0x15b0 [16529.893509][ T7704] ip6_route_info_create+0xf18/0x17d0 [16529.893509][ T7704] ip6_route_add+0x1c/0x140 [16529.893509][ T7704] addrconf_prefix_route+0x2a6/0x430 [16529.893509][ T7704] inet6_addr_add+0x4f8/0xa40 [16529.893509][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16529.893509][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16529.893509][ T7704] netlink_rcv_skb+0x130/0x360 [16529.893509][ T7704] netlink_unicast+0x449/0x710 [16529.893509][ T7704] netlink_sendmsg+0x723/0xbe0 [16529.893509][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16529.893509][ T7704] ___sys_sendmsg+0xee/0x170 [16529.893509][ T7704] __sys_sendmsg+0xcd/0x170 [16529.893509][ T7704] do_syscall_64+0xc6/0x1e0 [16529.893509][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16529.893509][ T7704] [16529.896535][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16529.896535][ T7704] netdev_get_by_index+0x5e/0x80 [16529.896535][ T7704] fib6_nh_init+0x3d8/0x15b0 [16529.896535][ T7704] ip6_route_info_create+0xf18/0x17d0 [16529.896535][ T7704] addrconf_f6i_alloc+0x315/0x560 [16529.896535][ T7704] ipv6_add_addr+0x411/0x2000 [16529.896535][ T7704] inet6_addr_add+0x30e/0xa40 [16529.896535][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16529.896535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16529.896535][ T7704] netlink_rcv_skb+0x130/0x360 [16529.896535][ T7704] netlink_unicast+0x449/0x710 [16529.896535][ T7704] netlink_sendmsg+0x723/0xbe0 [16529.896535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16529.896535][ T7704] ___sys_sendmsg+0xee/0x170 [16529.896535][ T7704] __sys_sendmsg+0xcd/0x170 [16529.896535][ T7704] do_syscall_64+0xc6/0x1e0 [16529.896535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16529.896535][ T7704] [16529.899091][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16529.899091][ T7704] netdev_get_by_index+0x5e/0x80 [16529.899091][ T7704] fib6_nh_init+0x3d8/0x15b0 [16529.899091][ T7704] ip6_route_info_create+0xf18/0x17d0 [16529.899091][ T7704] ip6_route_add+0x1c/0x140 [16529.899091][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16529.899091][ T7704] addrconf_add_dev+0xe2/0x170 [16529.899091][ T7704] inet6_addr_add+0x12f/0xa40 [16529.899091][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16529.899091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16529.899091][ T7704] netlink_rcv_skb+0x130/0x360 [16529.899091][ T7704] netlink_unicast+0x449/0x710 [16529.899091][ T7704] netlink_sendmsg+0x723/0xbe0 [16529.899091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16529.899091][ T7704] ___sys_sendmsg+0xee/0x170 [16529.899091][ T7704] __sys_sendmsg+0xcd/0x170 [16529.899091][ T7704] do_syscall_64+0xc6/0x1e0 [16529.899091][ T7704] [16529.901672][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16529.901672][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16529.901672][ T7704] ipv6_find_idev+0x102/0x170 [16529.901672][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16529.901672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16529.901672][ T7704] netlink_rcv_skb+0x130/0x360 [16529.901672][ T7704] netlink_unicast+0x449/0x710 [16529.901672][ T7704] netlink_sendmsg+0x723/0xbe0 [16529.901672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16529.901672][ T7704] ___sys_sendmsg+0xee/0x170 [16529.901672][ T7704] __sys_sendmsg+0xcd/0x170 [16529.901672][ T7704] do_syscall_64+0xc6/0x1e0 [16529.901672][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16529.901672][ T7704] [16529.903884][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16529.903884][ T7704] neigh_parms_alloc+0x1e5/0x510 [16529.903884][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16529.903884][ T7704] ipv6_find_idev+0x102/0x170 [16529.903884][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16529.903884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16529.903884][ T7704] netlink_rcv_skb+0x130/0x360 [16529.903884][ T7704] netlink_unicast+0x449/0x710 [16529.903884][ T7704] netlink_sendmsg+0x723/0xbe0 [16529.903884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16529.903884][ T7704] ___sys_sendmsg+0xee/0x170 [16529.903884][ T7704] __sys_sendmsg+0xcd/0x170 [16529.903884][ T7704] do_syscall_64+0xc6/0x1e0 [16529.903884][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16529.903884][ T7704] [16540.052821][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16540.053445][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16540.053445][ T7704] netdev_get_by_index+0x5e/0x80 [16540.053445][ T7704] fib6_nh_init+0x3d8/0x15b0 [16540.053445][ T7704] ip6_route_info_create+0xf18/0x17d0 [16540.053445][ T7704] ip6_route_add+0x1c/0x140 [16540.053445][ T7704] addrconf_prefix_route+0x2a6/0x430 [16540.053445][ T7704] inet6_addr_add+0x4f8/0xa40 [16540.053445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16540.053445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16540.053445][ T7704] netlink_rcv_skb+0x130/0x360 [16540.053445][ T7704] netlink_unicast+0x449/0x710 [16540.053445][ T7704] netlink_sendmsg+0x723/0xbe0 [16540.053445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16540.053445][ T7704] ___sys_sendmsg+0xee/0x170 [16540.053445][ T7704] __sys_sendmsg+0xcd/0x170 [16540.053445][ T7704] do_syscall_64+0xc6/0x1e0 [16540.053445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16540.053445][ T7704] [16540.056164][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16540.056164][ T7704] netdev_get_by_index+0x5e/0x80 [16540.056164][ T7704] fib6_nh_init+0x3d8/0x15b0 [16540.056164][ T7704] ip6_route_info_create+0xf18/0x17d0 [16540.056164][ T7704] addrconf_f6i_alloc+0x315/0x560 [16540.056164][ T7704] ipv6_add_addr+0x411/0x2000 [16540.056164][ T7704] inet6_addr_add+0x30e/0xa40 [16540.056164][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16540.056164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16540.056164][ T7704] netlink_rcv_skb+0x130/0x360 [16540.056164][ T7704] netlink_unicast+0x449/0x710 [16540.056164][ T7704] netlink_sendmsg+0x723/0xbe0 [16540.056164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16540.056164][ T7704] ___sys_sendmsg+0xee/0x170 [16540.056164][ T7704] __sys_sendmsg+0xcd/0x170 [16540.056164][ T7704] do_syscall_64+0xc6/0x1e0 [16540.056164][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16540.056164][ T7704] [16540.058822][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16540.058822][ T7704] netdev_get_by_index+0x5e/0x80 [16540.058822][ T7704] fib6_nh_init+0x3d8/0x15b0 [16540.058822][ T7704] ip6_route_info_create+0xf18/0x17d0 [16540.058822][ T7704] ip6_route_add+0x1c/0x140 [16540.058822][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16540.058822][ T7704] addrconf_add_dev+0xe2/0x170 [16540.058822][ T7704] inet6_addr_add+0x12f/0xa40 [16540.058822][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16540.058822][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16540.058822][ T7704] netlink_rcv_skb+0x130/0x360 [16540.058822][ T7704] netlink_unicast+0x449/0x710 [16540.058822][ T7704] netlink_sendmsg+0x723/0xbe0 [16540.058822][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16540.058822][ T7704] ___sys_sendmsg+0xee/0x170 [16540.058822][ T7704] __sys_sendmsg+0xcd/0x170 [16540.058822][ T7704] do_syscall_64+0xc6/0x1e0 [16540.058822][ T7704] [16540.061393][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16540.061393][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16540.061393][ T7704] ipv6_find_idev+0x102/0x170 [16540.061393][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16540.061393][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16540.061393][ T7704] netlink_rcv_skb+0x130/0x360 [16540.061393][ T7704] netlink_unicast+0x449/0x710 [16540.061393][ T7704] netlink_sendmsg+0x723/0xbe0 [16540.061393][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16540.061393][ T7704] ___sys_sendmsg+0xee/0x170 [16540.061393][ T7704] __sys_sendmsg+0xcd/0x170 [16540.061393][ T7704] do_syscall_64+0xc6/0x1e0 [16540.061393][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16540.061393][ T7704] [16540.063426][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16540.063426][ T7704] neigh_parms_alloc+0x1e5/0x510 [16540.063426][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16540.063426][ T7704] ipv6_find_idev+0x102/0x170 [16540.063426][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16540.063426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16540.063426][ T7704] netlink_rcv_skb+0x130/0x360 [16540.063426][ T7704] netlink_unicast+0x449/0x710 [16540.063426][ T7704] netlink_sendmsg+0x723/0xbe0 [16540.063426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16540.063426][ T7704] ___sys_sendmsg+0xee/0x170 [16540.063426][ T7704] __sys_sendmsg+0xcd/0x170 [16540.063426][ T7704] do_syscall_64+0xc6/0x1e0 [16540.063426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16540.063426][ T7704] [16550.308895][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16550.309567][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16550.309567][ T7704] netdev_get_by_index+0x5e/0x80 [16550.309567][ T7704] fib6_nh_init+0x3d8/0x15b0 [16550.309567][ T7704] ip6_route_info_create+0xf18/0x17d0 [16550.309567][ T7704] ip6_route_add+0x1c/0x140 [16550.309567][ T7704] addrconf_prefix_route+0x2a6/0x430 [16550.309567][ T7704] inet6_addr_add+0x4f8/0xa40 [16550.309567][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16550.309567][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16550.309567][ T7704] netlink_rcv_skb+0x130/0x360 [16550.309567][ T7704] netlink_unicast+0x449/0x710 [16550.309567][ T7704] netlink_sendmsg+0x723/0xbe0 [16550.309567][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16550.309567][ T7704] ___sys_sendmsg+0xee/0x170 [16550.309567][ T7704] __sys_sendmsg+0xcd/0x170 [16550.309567][ T7704] do_syscall_64+0xc6/0x1e0 [16550.309567][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16550.309567][ T7704] [16550.312225][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16550.312225][ T7704] netdev_get_by_index+0x5e/0x80 [16550.312225][ T7704] fib6_nh_init+0x3d8/0x15b0 [16550.312225][ T7704] ip6_route_info_create+0xf18/0x17d0 [16550.312225][ T7704] addrconf_f6i_alloc+0x315/0x560 [16550.312225][ T7704] ipv6_add_addr+0x411/0x2000 [16550.312225][ T7704] inet6_addr_add+0x30e/0xa40 [16550.312225][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16550.312225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16550.312225][ T7704] netlink_rcv_skb+0x130/0x360 [16550.312225][ T7704] netlink_unicast+0x449/0x710 [16550.312225][ T7704] netlink_sendmsg+0x723/0xbe0 [16550.312225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16550.312225][ T7704] ___sys_sendmsg+0xee/0x170 [16550.312225][ T7704] __sys_sendmsg+0xcd/0x170 [16550.312225][ T7704] do_syscall_64+0xc6/0x1e0 [16550.312225][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16550.312225][ T7704] [16550.314929][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16550.314929][ T7704] netdev_get_by_index+0x5e/0x80 [16550.314929][ T7704] fib6_nh_init+0x3d8/0x15b0 [16550.314929][ T7704] ip6_route_info_create+0xf18/0x17d0 [16550.314929][ T7704] ip6_route_add+0x1c/0x140 [16550.314929][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16550.314929][ T7704] addrconf_add_dev+0xe2/0x170 [16550.314929][ T7704] inet6_addr_add+0x12f/0xa40 [16550.314929][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16550.314929][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16550.314929][ T7704] netlink_rcv_skb+0x130/0x360 [16550.314929][ T7704] netlink_unicast+0x449/0x710 [16550.314929][ T7704] netlink_sendmsg+0x723/0xbe0 [16550.314929][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16550.314929][ T7704] ___sys_sendmsg+0xee/0x170 [16550.314929][ T7704] __sys_sendmsg+0xcd/0x170 [16550.314929][ T7704] do_syscall_64+0xc6/0x1e0 [16550.314929][ T7704] [16550.317434][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16550.317434][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16550.317434][ T7704] ipv6_find_idev+0x102/0x170 [16550.317434][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16550.317434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16550.317434][ T7704] netlink_rcv_skb+0x130/0x360 [16550.317434][ T7704] netlink_unicast+0x449/0x710 [16550.317434][ T7704] netlink_sendmsg+0x723/0xbe0 [16550.317434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16550.317434][ T7704] ___sys_sendmsg+0xee/0x170 [16550.317434][ T7704] __sys_sendmsg+0xcd/0x170 [16550.317434][ T7704] do_syscall_64+0xc6/0x1e0 [16550.317434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16550.317434][ T7704] [16550.319326][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16550.319326][ T7704] neigh_parms_alloc+0x1e5/0x510 [16550.319326][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16550.319326][ T7704] ipv6_find_idev+0x102/0x170 [16550.319326][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16550.319326][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16550.319326][ T7704] netlink_rcv_skb+0x130/0x360 [16550.319326][ T7704] netlink_unicast+0x449/0x710 [16550.319326][ T7704] netlink_sendmsg+0x723/0xbe0 [16550.319326][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16550.319326][ T7704] ___sys_sendmsg+0xee/0x170 [16550.319326][ T7704] __sys_sendmsg+0xcd/0x170 [16550.319326][ T7704] do_syscall_64+0xc6/0x1e0 [16550.319326][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16550.319326][ T7704] [16560.556905][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16560.557743][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16560.557743][ T7704] netdev_get_by_index+0x5e/0x80 [16560.557743][ T7704] fib6_nh_init+0x3d8/0x15b0 [16560.557743][ T7704] ip6_route_info_create+0xf18/0x17d0 [16560.557743][ T7704] ip6_route_add+0x1c/0x140 [16560.557743][ T7704] addrconf_prefix_route+0x2a6/0x430 [16560.557743][ T7704] inet6_addr_add+0x4f8/0xa40 [16560.557743][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16560.557743][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16560.557743][ T7704] netlink_rcv_skb+0x130/0x360 [16560.557743][ T7704] netlink_unicast+0x449/0x710 [16560.557743][ T7704] netlink_sendmsg+0x723/0xbe0 [16560.557743][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16560.557743][ T7704] ___sys_sendmsg+0xee/0x170 [16560.557743][ T7704] __sys_sendmsg+0xcd/0x170 [16560.557743][ T7704] do_syscall_64+0xc6/0x1e0 [16560.557743][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16560.557743][ T7704] [16560.560390][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16560.560390][ T7704] netdev_get_by_index+0x5e/0x80 [16560.560390][ T7704] fib6_nh_init+0x3d8/0x15b0 [16560.560390][ T7704] ip6_route_info_create+0xf18/0x17d0 [16560.560390][ T7704] addrconf_f6i_alloc+0x315/0x560 [16560.560390][ T7704] ipv6_add_addr+0x411/0x2000 [16560.560390][ T7704] inet6_addr_add+0x30e/0xa40 [16560.560390][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16560.560390][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16560.560390][ T7704] netlink_rcv_skb+0x130/0x360 [16560.560390][ T7704] netlink_unicast+0x449/0x710 [16560.560390][ T7704] netlink_sendmsg+0x723/0xbe0 [16560.560390][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16560.560390][ T7704] ___sys_sendmsg+0xee/0x170 [16560.560390][ T7704] __sys_sendmsg+0xcd/0x170 [16560.560390][ T7704] do_syscall_64+0xc6/0x1e0 [16560.560390][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16560.560390][ T7704] [16560.562968][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16560.562968][ T7704] netdev_get_by_index+0x5e/0x80 [16560.562968][ T7704] fib6_nh_init+0x3d8/0x15b0 [16560.562968][ T7704] ip6_route_info_create+0xf18/0x17d0 [16560.562968][ T7704] ip6_route_add+0x1c/0x140 [16560.562968][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16560.562968][ T7704] addrconf_add_dev+0xe2/0x170 [16560.562968][ T7704] inet6_addr_add+0x12f/0xa40 [16560.562968][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16560.562968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16560.562968][ T7704] netlink_rcv_skb+0x130/0x360 [16560.562968][ T7704] netlink_unicast+0x449/0x710 [16560.562968][ T7704] netlink_sendmsg+0x723/0xbe0 [16560.562968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16560.562968][ T7704] ___sys_sendmsg+0xee/0x170 [16560.562968][ T7704] __sys_sendmsg+0xcd/0x170 [16560.562968][ T7704] do_syscall_64+0xc6/0x1e0 [16560.562968][ T7704] [16560.565657][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16560.565657][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16560.565657][ T7704] ipv6_find_idev+0x102/0x170 [16560.565657][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16560.565657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16560.565657][ T7704] netlink_rcv_skb+0x130/0x360 [16560.565657][ T7704] netlink_unicast+0x449/0x710 [16560.565657][ T7704] netlink_sendmsg+0x723/0xbe0 [16560.565657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16560.565657][ T7704] ___sys_sendmsg+0xee/0x170 [16560.565657][ T7704] __sys_sendmsg+0xcd/0x170 [16560.565657][ T7704] do_syscall_64+0xc6/0x1e0 [16560.565657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16560.565657][ T7704] [16560.568145][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16560.568145][ T7704] neigh_parms_alloc+0x1e5/0x510 [16560.568145][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16560.568145][ T7704] ipv6_find_idev+0x102/0x170 [16560.568145][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16560.568145][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16560.568145][ T7704] netlink_rcv_skb+0x130/0x360 [16560.568145][ T7704] netlink_unicast+0x449/0x710 [16560.568145][ T7704] netlink_sendmsg+0x723/0xbe0 [16560.568145][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16560.568145][ T7704] ___sys_sendmsg+0xee/0x170 [16560.568145][ T7704] __sys_sendmsg+0xcd/0x170 [16560.568145][ T7704] do_syscall_64+0xc6/0x1e0 [16560.568145][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16560.568145][ T7704] [16570.812867][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16570.813436][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16570.813436][ T7704] netdev_get_by_index+0x5e/0x80 [16570.813436][ T7704] fib6_nh_init+0x3d8/0x15b0 [16570.813436][ T7704] ip6_route_info_create+0xf18/0x17d0 [16570.813436][ T7704] ip6_route_add+0x1c/0x140 [16570.813436][ T7704] addrconf_prefix_route+0x2a6/0x430 [16570.813436][ T7704] inet6_addr_add+0x4f8/0xa40 [16570.813436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16570.813436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16570.813436][ T7704] netlink_rcv_skb+0x130/0x360 [16570.813436][ T7704] netlink_unicast+0x449/0x710 [16570.813436][ T7704] netlink_sendmsg+0x723/0xbe0 [16570.813436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16570.813436][ T7704] ___sys_sendmsg+0xee/0x170 [16570.813436][ T7704] __sys_sendmsg+0xcd/0x170 [16570.813436][ T7704] do_syscall_64+0xc6/0x1e0 [16570.813436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16570.813436][ T7704] [16570.815821][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16570.815821][ T7704] netdev_get_by_index+0x5e/0x80 [16570.815821][ T7704] fib6_nh_init+0x3d8/0x15b0 [16570.815821][ T7704] ip6_route_info_create+0xf18/0x17d0 [16570.815821][ T7704] addrconf_f6i_alloc+0x315/0x560 [16570.815821][ T7704] ipv6_add_addr+0x411/0x2000 [16570.815821][ T7704] inet6_addr_add+0x30e/0xa40 [16570.815821][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16570.815821][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16570.815821][ T7704] netlink_rcv_skb+0x130/0x360 [16570.815821][ T7704] netlink_unicast+0x449/0x710 [16570.815821][ T7704] netlink_sendmsg+0x723/0xbe0 [16570.815821][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16570.815821][ T7704] ___sys_sendmsg+0xee/0x170 [16570.815821][ T7704] __sys_sendmsg+0xcd/0x170 [16570.815821][ T7704] do_syscall_64+0xc6/0x1e0 [16570.815821][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16570.815821][ T7704] [16570.818147][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16570.818147][ T7704] netdev_get_by_index+0x5e/0x80 [16570.818147][ T7704] fib6_nh_init+0x3d8/0x15b0 [16570.818147][ T7704] ip6_route_info_create+0xf18/0x17d0 [16570.818147][ T7704] ip6_route_add+0x1c/0x140 [16570.818147][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16570.818147][ T7704] addrconf_add_dev+0xe2/0x170 [16570.818147][ T7704] inet6_addr_add+0x12f/0xa40 [16570.818147][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16570.818147][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16570.818147][ T7704] netlink_rcv_skb+0x130/0x360 [16570.818147][ T7704] netlink_unicast+0x449/0x710 [16570.818147][ T7704] netlink_sendmsg+0x723/0xbe0 [16570.818147][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16570.818147][ T7704] ___sys_sendmsg+0xee/0x170 [16570.818147][ T7704] __sys_sendmsg+0xcd/0x170 [16570.818147][ T7704] do_syscall_64+0xc6/0x1e0 [16570.818147][ T7704] [16570.820441][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16570.820441][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16570.820441][ T7704] ipv6_find_idev+0x102/0x170 [16570.820441][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16570.820441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16570.820441][ T7704] netlink_rcv_skb+0x130/0x360 [16570.820441][ T7704] netlink_unicast+0x449/0x710 [16570.820441][ T7704] netlink_sendmsg+0x723/0xbe0 [16570.820441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16570.820441][ T7704] ___sys_sendmsg+0xee/0x170 [16570.820441][ T7704] __sys_sendmsg+0xcd/0x170 [16570.820441][ T7704] do_syscall_64+0xc6/0x1e0 [16570.820441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16570.820441][ T7704] [16570.822559][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16570.822559][ T7704] neigh_parms_alloc+0x1e5/0x510 [16570.822559][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16570.822559][ T7704] ipv6_find_idev+0x102/0x170 [16570.822559][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16570.822559][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16570.822559][ T7704] netlink_rcv_skb+0x130/0x360 [16570.822559][ T7704] netlink_unicast+0x449/0x710 [16570.822559][ T7704] netlink_sendmsg+0x723/0xbe0 [16570.822559][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16570.822559][ T7704] ___sys_sendmsg+0xee/0x170 [16570.822559][ T7704] __sys_sendmsg+0xcd/0x170 [16570.822559][ T7704] do_syscall_64+0xc6/0x1e0 [16570.822559][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16570.822559][ T7704] [16581.036911][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16581.037746][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16581.037746][ T7704] netdev_get_by_index+0x5e/0x80 [16581.037746][ T7704] fib6_nh_init+0x3d8/0x15b0 [16581.037746][ T7704] ip6_route_info_create+0xf18/0x17d0 [16581.037746][ T7704] ip6_route_add+0x1c/0x140 [16581.037746][ T7704] addrconf_prefix_route+0x2a6/0x430 [16581.037746][ T7704] inet6_addr_add+0x4f8/0xa40 [16581.037746][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16581.037746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16581.037746][ T7704] netlink_rcv_skb+0x130/0x360 [16581.037746][ T7704] netlink_unicast+0x449/0x710 [16581.037746][ T7704] netlink_sendmsg+0x723/0xbe0 [16581.037746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16581.037746][ T7704] ___sys_sendmsg+0xee/0x170 [16581.037746][ T7704] __sys_sendmsg+0xcd/0x170 [16581.037746][ T7704] do_syscall_64+0xc6/0x1e0 [16581.037746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16581.037746][ T7704] [16581.040098][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16581.040098][ T7704] netdev_get_by_index+0x5e/0x80 [16581.040098][ T7704] fib6_nh_init+0x3d8/0x15b0 [16581.040098][ T7704] ip6_route_info_create+0xf18/0x17d0 [16581.040098][ T7704] addrconf_f6i_alloc+0x315/0x560 [16581.040098][ T7704] ipv6_add_addr+0x411/0x2000 [16581.040098][ T7704] inet6_addr_add+0x30e/0xa40 [16581.040098][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16581.040098][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16581.040098][ T7704] netlink_rcv_skb+0x130/0x360 [16581.040098][ T7704] netlink_unicast+0x449/0x710 [16581.040098][ T7704] netlink_sendmsg+0x723/0xbe0 [16581.040098][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16581.040098][ T7704] ___sys_sendmsg+0xee/0x170 [16581.040098][ T7704] __sys_sendmsg+0xcd/0x170 [16581.040098][ T7704] do_syscall_64+0xc6/0x1e0 [16581.040098][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16581.040098][ T7704] [16581.042367][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16581.042367][ T7704] netdev_get_by_index+0x5e/0x80 [16581.042367][ T7704] fib6_nh_init+0x3d8/0x15b0 [16581.042367][ T7704] ip6_route_info_create+0xf18/0x17d0 [16581.042367][ T7704] ip6_route_add+0x1c/0x140 [16581.042367][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16581.042367][ T7704] addrconf_add_dev+0xe2/0x170 [16581.042367][ T7704] inet6_addr_add+0x12f/0xa40 [16581.042367][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16581.042367][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16581.042367][ T7704] netlink_rcv_skb+0x130/0x360 [16581.042367][ T7704] netlink_unicast+0x449/0x710 [16581.042367][ T7704] netlink_sendmsg+0x723/0xbe0 [16581.042367][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16581.042367][ T7704] ___sys_sendmsg+0xee/0x170 [16581.042367][ T7704] __sys_sendmsg+0xcd/0x170 [16581.042367][ T7704] do_syscall_64+0xc6/0x1e0 [16581.042367][ T7704] [16581.044701][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16581.044701][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16581.044701][ T7704] ipv6_find_idev+0x102/0x170 [16581.044701][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16581.044701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16581.044701][ T7704] netlink_rcv_skb+0x130/0x360 [16581.044701][ T7704] netlink_unicast+0x449/0x710 [16581.044701][ T7704] netlink_sendmsg+0x723/0xbe0 [16581.044701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16581.044701][ T7704] ___sys_sendmsg+0xee/0x170 [16581.044701][ T7704] __sys_sendmsg+0xcd/0x170 [16581.044701][ T7704] do_syscall_64+0xc6/0x1e0 [16581.044701][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16581.044701][ T7704] [16581.046508][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16581.046508][ T7704] neigh_parms_alloc+0x1e5/0x510 [16581.046508][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16581.046508][ T7704] ipv6_find_idev+0x102/0x170 [16581.046508][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16581.046508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16581.046508][ T7704] netlink_rcv_skb+0x130/0x360 [16581.046508][ T7704] netlink_unicast+0x449/0x710 [16581.046508][ T7704] netlink_sendmsg+0x723/0xbe0 [16581.046508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16581.046508][ T7704] ___sys_sendmsg+0xee/0x170 [16581.046508][ T7704] __sys_sendmsg+0xcd/0x170 [16581.046508][ T7704] do_syscall_64+0xc6/0x1e0 [16581.046508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16581.046508][ T7704] [16591.284904][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16591.285928][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16591.285928][ T7704] netdev_get_by_index+0x5e/0x80 [16591.285928][ T7704] fib6_nh_init+0x3d8/0x15b0 [16591.285928][ T7704] ip6_route_info_create+0xf18/0x17d0 [16591.285928][ T7704] ip6_route_add+0x1c/0x140 [16591.285928][ T7704] addrconf_prefix_route+0x2a6/0x430 [16591.285928][ T7704] inet6_addr_add+0x4f8/0xa40 [16591.285928][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16591.285928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16591.285928][ T7704] netlink_rcv_skb+0x130/0x360 [16591.285928][ T7704] netlink_unicast+0x449/0x710 [16591.285928][ T7704] netlink_sendmsg+0x723/0xbe0 [16591.285928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16591.285928][ T7704] ___sys_sendmsg+0xee/0x170 [16591.285928][ T7704] __sys_sendmsg+0xcd/0x170 [16591.285928][ T7704] do_syscall_64+0xc6/0x1e0 [16591.285928][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16591.285928][ T7704] [16591.288202][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16591.288202][ T7704] netdev_get_by_index+0x5e/0x80 [16591.288202][ T7704] fib6_nh_init+0x3d8/0x15b0 [16591.288202][ T7704] ip6_route_info_create+0xf18/0x17d0 [16591.288202][ T7704] addrconf_f6i_alloc+0x315/0x560 [16591.288202][ T7704] ipv6_add_addr+0x411/0x2000 [16591.288202][ T7704] inet6_addr_add+0x30e/0xa40 [16591.288202][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16591.288202][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16591.288202][ T7704] netlink_rcv_skb+0x130/0x360 [16591.288202][ T7704] netlink_unicast+0x449/0x710 [16591.288202][ T7704] netlink_sendmsg+0x723/0xbe0 [16591.288202][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16591.288202][ T7704] ___sys_sendmsg+0xee/0x170 [16591.288202][ T7704] __sys_sendmsg+0xcd/0x170 [16591.288202][ T7704] do_syscall_64+0xc6/0x1e0 [16591.288202][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16591.288202][ T7704] [16591.290468][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16591.290468][ T7704] netdev_get_by_index+0x5e/0x80 [16591.290468][ T7704] fib6_nh_init+0x3d8/0x15b0 [16591.290468][ T7704] ip6_route_info_create+0xf18/0x17d0 [16591.290468][ T7704] ip6_route_add+0x1c/0x140 [16591.290468][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16591.290468][ T7704] addrconf_add_dev+0xe2/0x170 [16591.290468][ T7704] inet6_addr_add+0x12f/0xa40 [16591.290468][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16591.290468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16591.290468][ T7704] netlink_rcv_skb+0x130/0x360 [16591.290468][ T7704] netlink_unicast+0x449/0x710 [16591.290468][ T7704] netlink_sendmsg+0x723/0xbe0 [16591.290468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16591.290468][ T7704] ___sys_sendmsg+0xee/0x170 [16591.290468][ T7704] __sys_sendmsg+0xcd/0x170 [16591.290468][ T7704] do_syscall_64+0xc6/0x1e0 [16591.290468][ T7704] [16591.292739][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16591.292739][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16591.292739][ T7704] ipv6_find_idev+0x102/0x170 [16591.292739][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16591.292739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16591.292739][ T7704] netlink_rcv_skb+0x130/0x360 [16591.292739][ T7704] netlink_unicast+0x449/0x710 [16591.292739][ T7704] netlink_sendmsg+0x723/0xbe0 [16591.292739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16591.292739][ T7704] ___sys_sendmsg+0xee/0x170 [16591.292739][ T7704] __sys_sendmsg+0xcd/0x170 [16591.292739][ T7704] do_syscall_64+0xc6/0x1e0 [16591.292739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16591.292739][ T7704] [16591.294465][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16591.294465][ T7704] neigh_parms_alloc+0x1e5/0x510 [16591.294465][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16591.294465][ T7704] ipv6_find_idev+0x102/0x170 [16591.294465][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16591.294465][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16591.294465][ T7704] netlink_rcv_skb+0x130/0x360 [16591.294465][ T7704] netlink_unicast+0x449/0x710 [16591.294465][ T7704] netlink_sendmsg+0x723/0xbe0 [16591.294465][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16591.294465][ T7704] ___sys_sendmsg+0xee/0x170 [16591.294465][ T7704] __sys_sendmsg+0xcd/0x170 [16591.294465][ T7704] do_syscall_64+0xc6/0x1e0 [16591.294465][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16591.294465][ T7704] [16601.532882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16601.533984][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16601.533984][ T7704] netdev_get_by_index+0x5e/0x80 [16601.533984][ T7704] fib6_nh_init+0x3d8/0x15b0 [16601.533984][ T7704] ip6_route_info_create+0xf18/0x17d0 [16601.533984][ T7704] ip6_route_add+0x1c/0x140 [16601.533984][ T7704] addrconf_prefix_route+0x2a6/0x430 [16601.533984][ T7704] inet6_addr_add+0x4f8/0xa40 [16601.533984][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16601.533984][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16601.533984][ T7704] netlink_rcv_skb+0x130/0x360 [16601.533984][ T7704] netlink_unicast+0x449/0x710 [16601.533984][ T7704] netlink_sendmsg+0x723/0xbe0 [16601.533984][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16601.533984][ T7704] ___sys_sendmsg+0xee/0x170 [16601.533984][ T7704] __sys_sendmsg+0xcd/0x170 [16601.533984][ T7704] do_syscall_64+0xc6/0x1e0 [16601.533984][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16601.533984][ T7704] [16601.536285][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16601.536285][ T7704] netdev_get_by_index+0x5e/0x80 [16601.536285][ T7704] fib6_nh_init+0x3d8/0x15b0 [16601.536285][ T7704] ip6_route_info_create+0xf18/0x17d0 [16601.536285][ T7704] addrconf_f6i_alloc+0x315/0x560 [16601.536285][ T7704] ipv6_add_addr+0x411/0x2000 [16601.536285][ T7704] inet6_addr_add+0x30e/0xa40 [16601.536285][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16601.536285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16601.536285][ T7704] netlink_rcv_skb+0x130/0x360 [16601.536285][ T7704] netlink_unicast+0x449/0x710 [16601.536285][ T7704] netlink_sendmsg+0x723/0xbe0 [16601.536285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16601.536285][ T7704] ___sys_sendmsg+0xee/0x170 [16601.536285][ T7704] __sys_sendmsg+0xcd/0x170 [16601.536285][ T7704] do_syscall_64+0xc6/0x1e0 [16601.536285][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16601.536285][ T7704] [16601.538549][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16601.538549][ T7704] netdev_get_by_index+0x5e/0x80 [16601.538549][ T7704] fib6_nh_init+0x3d8/0x15b0 [16601.538549][ T7704] ip6_route_info_create+0xf18/0x17d0 [16601.538549][ T7704] ip6_route_add+0x1c/0x140 [16601.538549][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16601.538549][ T7704] addrconf_add_dev+0xe2/0x170 [16601.538549][ T7704] inet6_addr_add+0x12f/0xa40 [16601.538549][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16601.538549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16601.538549][ T7704] netlink_rcv_skb+0x130/0x360 [16601.538549][ T7704] netlink_unicast+0x449/0x710 [16601.538549][ T7704] netlink_sendmsg+0x723/0xbe0 [16601.538549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16601.538549][ T7704] ___sys_sendmsg+0xee/0x170 [16601.538549][ T7704] __sys_sendmsg+0xcd/0x170 [16601.538549][ T7704] do_syscall_64+0xc6/0x1e0 [16601.538549][ T7704] [16601.540695][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16601.540695][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16601.540695][ T7704] ipv6_find_idev+0x102/0x170 [16601.540695][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16601.540695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16601.540695][ T7704] netlink_rcv_skb+0x130/0x360 [16601.540695][ T7704] netlink_unicast+0x449/0x710 [16601.540695][ T7704] netlink_sendmsg+0x723/0xbe0 [16601.540695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16601.540695][ T7704] ___sys_sendmsg+0xee/0x170 [16601.540695][ T7704] __sys_sendmsg+0xcd/0x170 [16601.540695][ T7704] do_syscall_64+0xc6/0x1e0 [16601.540695][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16601.540695][ T7704] [16601.542360][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16601.542360][ T7704] neigh_parms_alloc+0x1e5/0x510 [16601.542360][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16601.542360][ T7704] ipv6_find_idev+0x102/0x170 [16601.542360][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16601.542360][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16601.542360][ T7704] netlink_rcv_skb+0x130/0x360 [16601.542360][ T7704] netlink_unicast+0x449/0x710 [16601.542360][ T7704] netlink_sendmsg+0x723/0xbe0 [16601.542360][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16601.542360][ T7704] ___sys_sendmsg+0xee/0x170 [16601.542360][ T7704] __sys_sendmsg+0xcd/0x170 [16601.542360][ T7704] do_syscall_64+0xc6/0x1e0 [16601.542360][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16601.542360][ T7704] [16611.780904][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16611.781940][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16611.781940][ T7704] netdev_get_by_index+0x5e/0x80 [16611.781940][ T7704] fib6_nh_init+0x3d8/0x15b0 [16611.781940][ T7704] ip6_route_info_create+0xf18/0x17d0 [16611.781940][ T7704] ip6_route_add+0x1c/0x140 [16611.781940][ T7704] addrconf_prefix_route+0x2a6/0x430 [16611.781940][ T7704] inet6_addr_add+0x4f8/0xa40 [16611.781940][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16611.781940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16611.781940][ T7704] netlink_rcv_skb+0x130/0x360 [16611.781940][ T7704] netlink_unicast+0x449/0x710 [16611.781940][ T7704] netlink_sendmsg+0x723/0xbe0 [16611.781940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16611.781940][ T7704] ___sys_sendmsg+0xee/0x170 [16611.781940][ T7704] __sys_sendmsg+0xcd/0x170 [16611.781940][ T7704] do_syscall_64+0xc6/0x1e0 [16611.781940][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16611.781940][ T7704] [16611.784159][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16611.784159][ T7704] netdev_get_by_index+0x5e/0x80 [16611.784159][ T7704] fib6_nh_init+0x3d8/0x15b0 [16611.784159][ T7704] ip6_route_info_create+0xf18/0x17d0 [16611.784159][ T7704] addrconf_f6i_alloc+0x315/0x560 [16611.784159][ T7704] ipv6_add_addr+0x411/0x2000 [16611.784159][ T7704] inet6_addr_add+0x30e/0xa40 [16611.784159][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16611.784159][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16611.784159][ T7704] netlink_rcv_skb+0x130/0x360 [16611.784159][ T7704] netlink_unicast+0x449/0x710 [16611.784159][ T7704] netlink_sendmsg+0x723/0xbe0 [16611.784159][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16611.784159][ T7704] ___sys_sendmsg+0xee/0x170 [16611.784159][ T7704] __sys_sendmsg+0xcd/0x170 [16611.784159][ T7704] do_syscall_64+0xc6/0x1e0 [16611.784159][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16611.784159][ T7704] [16611.786324][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16611.786324][ T7704] netdev_get_by_index+0x5e/0x80 [16611.786324][ T7704] fib6_nh_init+0x3d8/0x15b0 [16611.786324][ T7704] ip6_route_info_create+0xf18/0x17d0 [16611.786324][ T7704] ip6_route_add+0x1c/0x140 [16611.786324][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16611.786324][ T7704] addrconf_add_dev+0xe2/0x170 [16611.786324][ T7704] inet6_addr_add+0x12f/0xa40 [16611.786324][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16611.786324][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16611.786324][ T7704] netlink_rcv_skb+0x130/0x360 [16611.786324][ T7704] netlink_unicast+0x449/0x710 [16611.786324][ T7704] netlink_sendmsg+0x723/0xbe0 [16611.786324][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16611.786324][ T7704] ___sys_sendmsg+0xee/0x170 [16611.786324][ T7704] __sys_sendmsg+0xcd/0x170 [16611.786324][ T7704] do_syscall_64+0xc6/0x1e0 [16611.786324][ T7704] [16611.788471][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16611.788471][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16611.788471][ T7704] ipv6_find_idev+0x102/0x170 [16611.788471][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16611.788471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16611.788471][ T7704] netlink_rcv_skb+0x130/0x360 [16611.788471][ T7704] netlink_unicast+0x449/0x710 [16611.788471][ T7704] netlink_sendmsg+0x723/0xbe0 [16611.788471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16611.788471][ T7704] ___sys_sendmsg+0xee/0x170 [16611.788471][ T7704] __sys_sendmsg+0xcd/0x170 [16611.788471][ T7704] do_syscall_64+0xc6/0x1e0 [16611.788471][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16611.788471][ T7704] [16611.790133][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16611.790133][ T7704] neigh_parms_alloc+0x1e5/0x510 [16611.790133][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16611.790133][ T7704] ipv6_find_idev+0x102/0x170 [16611.790133][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16611.790133][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16611.790133][ T7704] netlink_rcv_skb+0x130/0x360 [16611.790133][ T7704] netlink_unicast+0x449/0x710 [16611.790133][ T7704] netlink_sendmsg+0x723/0xbe0 [16611.790133][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16611.790133][ T7704] ___sys_sendmsg+0xee/0x170 [16611.790133][ T7704] __sys_sendmsg+0xcd/0x170 [16611.790133][ T7704] do_syscall_64+0xc6/0x1e0 [16611.790133][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16611.790133][ T7704] [16621.828903][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16621.829716][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16621.829716][ T7704] netdev_get_by_index+0x5e/0x80 [16621.829716][ T7704] fib6_nh_init+0x3d8/0x15b0 [16621.829716][ T7704] ip6_route_info_create+0xf18/0x17d0 [16621.829716][ T7704] ip6_route_add+0x1c/0x140 [16621.829716][ T7704] addrconf_prefix_route+0x2a6/0x430 [16621.829716][ T7704] inet6_addr_add+0x4f8/0xa40 [16621.829716][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16621.829716][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16621.829716][ T7704] netlink_rcv_skb+0x130/0x360 [16621.829716][ T7704] netlink_unicast+0x449/0x710 [16621.829716][ T7704] netlink_sendmsg+0x723/0xbe0 [16621.829716][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16621.829716][ T7704] ___sys_sendmsg+0xee/0x170 [16621.829716][ T7704] __sys_sendmsg+0xcd/0x170 [16621.829716][ T7704] do_syscall_64+0xc6/0x1e0 [16621.829716][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16621.829716][ T7704] [16621.832345][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16621.832345][ T7704] netdev_get_by_index+0x5e/0x80 [16621.832345][ T7704] fib6_nh_init+0x3d8/0x15b0 [16621.832345][ T7704] ip6_route_info_create+0xf18/0x17d0 [16621.832345][ T7704] addrconf_f6i_alloc+0x315/0x560 [16621.832345][ T7704] ipv6_add_addr+0x411/0x2000 [16621.832345][ T7704] inet6_addr_add+0x30e/0xa40 [16621.832345][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16621.832345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16621.832345][ T7704] netlink_rcv_skb+0x130/0x360 [16621.832345][ T7704] netlink_unicast+0x449/0x710 [16621.832345][ T7704] netlink_sendmsg+0x723/0xbe0 [16621.832345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16621.832345][ T7704] ___sys_sendmsg+0xee/0x170 [16621.832345][ T7704] __sys_sendmsg+0xcd/0x170 [16621.832345][ T7704] do_syscall_64+0xc6/0x1e0 [16621.832345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16621.832345][ T7704] [16621.834934][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16621.834934][ T7704] netdev_get_by_index+0x5e/0x80 [16621.834934][ T7704] fib6_nh_init+0x3d8/0x15b0 [16621.834934][ T7704] ip6_route_info_create+0xf18/0x17d0 [16621.834934][ T7704] ip6_route_add+0x1c/0x140 [16621.834934][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16621.834934][ T7704] addrconf_add_dev+0xe2/0x170 [16621.834934][ T7704] inet6_addr_add+0x12f/0xa40 [16621.834934][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16621.834934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16621.834934][ T7704] netlink_rcv_skb+0x130/0x360 [16621.834934][ T7704] netlink_unicast+0x449/0x710 [16621.834934][ T7704] netlink_sendmsg+0x723/0xbe0 [16621.834934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16621.834934][ T7704] ___sys_sendmsg+0xee/0x170 [16621.834934][ T7704] __sys_sendmsg+0xcd/0x170 [16621.834934][ T7704] do_syscall_64+0xc6/0x1e0 [16621.834934][ T7704] [16621.837473][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16621.837473][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16621.837473][ T7704] ipv6_find_idev+0x102/0x170 [16621.837473][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16621.837473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16621.837473][ T7704] netlink_rcv_skb+0x130/0x360 [16621.837473][ T7704] netlink_unicast+0x449/0x710 [16621.837473][ T7704] netlink_sendmsg+0x723/0xbe0 [16621.837473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16621.837473][ T7704] ___sys_sendmsg+0xee/0x170 [16621.837473][ T7704] __sys_sendmsg+0xcd/0x170 [16621.837473][ T7704] do_syscall_64+0xc6/0x1e0 [16621.837473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16621.837473][ T7704] [16621.839472][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16621.839472][ T7704] neigh_parms_alloc+0x1e5/0x510 [16621.839472][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16621.839472][ T7704] ipv6_find_idev+0x102/0x170 [16621.839472][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16621.839472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16621.839472][ T7704] netlink_rcv_skb+0x130/0x360 [16621.839472][ T7704] netlink_unicast+0x449/0x710 [16621.839472][ T7704] netlink_sendmsg+0x723/0xbe0 [16621.839472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16621.839472][ T7704] ___sys_sendmsg+0xee/0x170 [16621.839472][ T7704] __sys_sendmsg+0xcd/0x170 [16621.839472][ T7704] do_syscall_64+0xc6/0x1e0 [16621.839472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16621.839472][ T7704] [16632.084905][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16632.085596][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16632.085596][ T7704] netdev_get_by_index+0x5e/0x80 [16632.085596][ T7704] fib6_nh_init+0x3d8/0x15b0 [16632.085596][ T7704] ip6_route_info_create+0xf18/0x17d0 [16632.085596][ T7704] ip6_route_add+0x1c/0x140 [16632.085596][ T7704] addrconf_prefix_route+0x2a6/0x430 [16632.085596][ T7704] inet6_addr_add+0x4f8/0xa40 [16632.085596][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16632.085596][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16632.085596][ T7704] netlink_rcv_skb+0x130/0x360 [16632.085596][ T7704] netlink_unicast+0x449/0x710 [16632.085596][ T7704] netlink_sendmsg+0x723/0xbe0 [16632.085596][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16632.085596][ T7704] ___sys_sendmsg+0xee/0x170 [16632.085596][ T7704] __sys_sendmsg+0xcd/0x170 [16632.085596][ T7704] do_syscall_64+0xc6/0x1e0 [16632.085596][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16632.085596][ T7704] [16632.087963][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16632.087963][ T7704] netdev_get_by_index+0x5e/0x80 [16632.087963][ T7704] fib6_nh_init+0x3d8/0x15b0 [16632.087963][ T7704] ip6_route_info_create+0xf18/0x17d0 [16632.087963][ T7704] addrconf_f6i_alloc+0x315/0x560 [16632.087963][ T7704] ipv6_add_addr+0x411/0x2000 [16632.087963][ T7704] inet6_addr_add+0x30e/0xa40 [16632.087963][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16632.087963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16632.087963][ T7704] netlink_rcv_skb+0x130/0x360 [16632.087963][ T7704] netlink_unicast+0x449/0x710 [16632.087963][ T7704] netlink_sendmsg+0x723/0xbe0 [16632.087963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16632.087963][ T7704] ___sys_sendmsg+0xee/0x170 [16632.087963][ T7704] __sys_sendmsg+0xcd/0x170 [16632.087963][ T7704] do_syscall_64+0xc6/0x1e0 [16632.087963][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16632.087963][ T7704] [16632.090272][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16632.090272][ T7704] netdev_get_by_index+0x5e/0x80 [16632.090272][ T7704] fib6_nh_init+0x3d8/0x15b0 [16632.090272][ T7704] ip6_route_info_create+0xf18/0x17d0 [16632.090272][ T7704] ip6_route_add+0x1c/0x140 [16632.090272][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16632.090272][ T7704] addrconf_add_dev+0xe2/0x170 [16632.090272][ T7704] inet6_addr_add+0x12f/0xa40 [16632.090272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16632.090272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16632.090272][ T7704] netlink_rcv_skb+0x130/0x360 [16632.090272][ T7704] netlink_unicast+0x449/0x710 [16632.090272][ T7704] netlink_sendmsg+0x723/0xbe0 [16632.090272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16632.090272][ T7704] ___sys_sendmsg+0xee/0x170 [16632.090272][ T7704] __sys_sendmsg+0xcd/0x170 [16632.090272][ T7704] do_syscall_64+0xc6/0x1e0 [16632.090272][ T7704] [16632.092441][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16632.092441][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16632.092441][ T7704] ipv6_find_idev+0x102/0x170 [16632.092441][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16632.092441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16632.092441][ T7704] netlink_rcv_skb+0x130/0x360 [16632.092441][ T7704] netlink_unicast+0x449/0x710 [16632.092441][ T7704] netlink_sendmsg+0x723/0xbe0 [16632.092441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16632.092441][ T7704] ___sys_sendmsg+0xee/0x170 [16632.092441][ T7704] __sys_sendmsg+0xcd/0x170 [16632.092441][ T7704] do_syscall_64+0xc6/0x1e0 [16632.092441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16632.092441][ T7704] [16632.094154][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16632.094154][ T7704] neigh_parms_alloc+0x1e5/0x510 [16632.094154][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16632.094154][ T7704] ipv6_find_idev+0x102/0x170 [16632.094154][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16632.094154][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16632.094154][ T7704] netlink_rcv_skb+0x130/0x360 [16632.094154][ T7704] netlink_unicast+0x449/0x710 [16632.094154][ T7704] netlink_sendmsg+0x723/0xbe0 [16632.094154][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16632.094154][ T7704] ___sys_sendmsg+0xee/0x170 [16632.094154][ T7704] __sys_sendmsg+0xcd/0x170 [16632.094154][ T7704] do_syscall_64+0xc6/0x1e0 [16632.094154][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16632.094154][ T7704] [16642.236891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16642.237734][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16642.237734][ T7704] netdev_get_by_index+0x5e/0x80 [16642.237734][ T7704] fib6_nh_init+0x3d8/0x15b0 [16642.237734][ T7704] ip6_route_info_create+0xf18/0x17d0 [16642.237734][ T7704] ip6_route_add+0x1c/0x140 [16642.237734][ T7704] addrconf_prefix_route+0x2a6/0x430 [16642.237734][ T7704] inet6_addr_add+0x4f8/0xa40 [16642.237734][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16642.237734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16642.237734][ T7704] netlink_rcv_skb+0x130/0x360 [16642.237734][ T7704] netlink_unicast+0x449/0x710 [16642.237734][ T7704] netlink_sendmsg+0x723/0xbe0 [16642.237734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16642.237734][ T7704] ___sys_sendmsg+0xee/0x170 [16642.237734][ T7704] __sys_sendmsg+0xcd/0x170 [16642.237734][ T7704] do_syscall_64+0xc6/0x1e0 [16642.237734][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16642.237734][ T7704] [16642.239955][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16642.239955][ T7704] netdev_get_by_index+0x5e/0x80 [16642.239955][ T7704] fib6_nh_init+0x3d8/0x15b0 [16642.239955][ T7704] ip6_route_info_create+0xf18/0x17d0 [16642.239955][ T7704] addrconf_f6i_alloc+0x315/0x560 [16642.239955][ T7704] ipv6_add_addr+0x411/0x2000 [16642.239955][ T7704] inet6_addr_add+0x30e/0xa40 [16642.239955][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16642.239955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16642.239955][ T7704] netlink_rcv_skb+0x130/0x360 [16642.239955][ T7704] netlink_unicast+0x449/0x710 [16642.239955][ T7704] netlink_sendmsg+0x723/0xbe0 [16642.239955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16642.239955][ T7704] ___sys_sendmsg+0xee/0x170 [16642.239955][ T7704] __sys_sendmsg+0xcd/0x170 [16642.239955][ T7704] do_syscall_64+0xc6/0x1e0 [16642.239955][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16642.239955][ T7704] [16642.242191][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16642.242191][ T7704] netdev_get_by_index+0x5e/0x80 [16642.242191][ T7704] fib6_nh_init+0x3d8/0x15b0 [16642.242191][ T7704] ip6_route_info_create+0xf18/0x17d0 [16642.242191][ T7704] ip6_route_add+0x1c/0x140 [16642.242191][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16642.242191][ T7704] addrconf_add_dev+0xe2/0x170 [16642.242191][ T7704] inet6_addr_add+0x12f/0xa40 [16642.242191][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16642.242191][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16642.242191][ T7704] netlink_rcv_skb+0x130/0x360 [16642.242191][ T7704] netlink_unicast+0x449/0x710 [16642.242191][ T7704] netlink_sendmsg+0x723/0xbe0 [16642.242191][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16642.242191][ T7704] ___sys_sendmsg+0xee/0x170 [16642.242191][ T7704] __sys_sendmsg+0xcd/0x170 [16642.242191][ T7704] do_syscall_64+0xc6/0x1e0 [16642.242191][ T7704] [16642.244331][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16642.244331][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16642.244331][ T7704] ipv6_find_idev+0x102/0x170 [16642.244331][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16642.244331][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16642.244331][ T7704] netlink_rcv_skb+0x130/0x360 [16642.244331][ T7704] netlink_unicast+0x449/0x710 [16642.244331][ T7704] netlink_sendmsg+0x723/0xbe0 [16642.244331][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16642.244331][ T7704] ___sys_sendmsg+0xee/0x170 [16642.244331][ T7704] __sys_sendmsg+0xcd/0x170 [16642.244331][ T7704] do_syscall_64+0xc6/0x1e0 [16642.244331][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16642.244331][ T7704] [16642.246027][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16642.246027][ T7704] neigh_parms_alloc+0x1e5/0x510 [16642.246027][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16642.246027][ T7704] ipv6_find_idev+0x102/0x170 [16642.246027][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16642.246027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16642.246027][ T7704] netlink_rcv_skb+0x130/0x360 [16642.246027][ T7704] netlink_unicast+0x449/0x710 [16642.246027][ T7704] netlink_sendmsg+0x723/0xbe0 [16642.246027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16642.246027][ T7704] ___sys_sendmsg+0xee/0x170 [16642.246027][ T7704] __sys_sendmsg+0xcd/0x170 [16642.246027][ T7704] do_syscall_64+0xc6/0x1e0 [16642.246027][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16642.246027][ T7704] [16652.484835][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16652.485461][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16652.485461][ T7704] netdev_get_by_index+0x5e/0x80 [16652.485461][ T7704] fib6_nh_init+0x3d8/0x15b0 [16652.485461][ T7704] ip6_route_info_create+0xf18/0x17d0 [16652.485461][ T7704] ip6_route_add+0x1c/0x140 [16652.485461][ T7704] addrconf_prefix_route+0x2a6/0x430 [16652.485461][ T7704] inet6_addr_add+0x4f8/0xa40 [16652.485461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16652.485461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16652.485461][ T7704] netlink_rcv_skb+0x130/0x360 [16652.485461][ T7704] netlink_unicast+0x449/0x710 [16652.485461][ T7704] netlink_sendmsg+0x723/0xbe0 [16652.485461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16652.485461][ T7704] ___sys_sendmsg+0xee/0x170 [16652.485461][ T7704] __sys_sendmsg+0xcd/0x170 [16652.485461][ T7704] do_syscall_64+0xc6/0x1e0 [16652.485461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16652.485461][ T7704] [16652.487833][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16652.487833][ T7704] netdev_get_by_index+0x5e/0x80 [16652.487833][ T7704] fib6_nh_init+0x3d8/0x15b0 [16652.487833][ T7704] ip6_route_info_create+0xf18/0x17d0 [16652.487833][ T7704] addrconf_f6i_alloc+0x315/0x560 [16652.487833][ T7704] ipv6_add_addr+0x411/0x2000 [16652.487833][ T7704] inet6_addr_add+0x30e/0xa40 [16652.487833][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16652.487833][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16652.487833][ T7704] netlink_rcv_skb+0x130/0x360 [16652.487833][ T7704] netlink_unicast+0x449/0x710 [16652.487833][ T7704] netlink_sendmsg+0x723/0xbe0 [16652.487833][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16652.487833][ T7704] ___sys_sendmsg+0xee/0x170 [16652.487833][ T7704] __sys_sendmsg+0xcd/0x170 [16652.487833][ T7704] do_syscall_64+0xc6/0x1e0 [16652.487833][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16652.487833][ T7704] [16652.490128][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16652.490128][ T7704] netdev_get_by_index+0x5e/0x80 [16652.490128][ T7704] fib6_nh_init+0x3d8/0x15b0 [16652.490128][ T7704] ip6_route_info_create+0xf18/0x17d0 [16652.490128][ T7704] ip6_route_add+0x1c/0x140 [16652.490128][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16652.490128][ T7704] addrconf_add_dev+0xe2/0x170 [16652.490128][ T7704] inet6_addr_add+0x12f/0xa40 [16652.490128][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16652.490128][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16652.490128][ T7704] netlink_rcv_skb+0x130/0x360 [16652.490128][ T7704] netlink_unicast+0x449/0x710 [16652.490128][ T7704] netlink_sendmsg+0x723/0xbe0 [16652.490128][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16652.490128][ T7704] ___sys_sendmsg+0xee/0x170 [16652.490128][ T7704] __sys_sendmsg+0xcd/0x170 [16652.490128][ T7704] do_syscall_64+0xc6/0x1e0 [16652.490128][ T7704] [16652.492899][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16652.492899][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16652.492899][ T7704] ipv6_find_idev+0x102/0x170 [16652.492899][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16652.492899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16652.492899][ T7704] netlink_rcv_skb+0x130/0x360 [16652.492899][ T7704] netlink_unicast+0x449/0x710 [16652.492899][ T7704] netlink_sendmsg+0x723/0xbe0 [16652.492899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16652.492899][ T7704] ___sys_sendmsg+0xee/0x170 [16652.492899][ T7704] __sys_sendmsg+0xcd/0x170 [16652.492899][ T7704] do_syscall_64+0xc6/0x1e0 [16652.492899][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16652.492899][ T7704] [16652.494660][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16652.494660][ T7704] neigh_parms_alloc+0x1e5/0x510 [16652.494660][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16652.494660][ T7704] ipv6_find_idev+0x102/0x170 [16652.494660][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16652.494660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16652.494660][ T7704] netlink_rcv_skb+0x130/0x360 [16652.494660][ T7704] netlink_unicast+0x449/0x710 [16652.494660][ T7704] netlink_sendmsg+0x723/0xbe0 [16652.494660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16652.494660][ T7704] ___sys_sendmsg+0xee/0x170 [16652.494660][ T7704] __sys_sendmsg+0xcd/0x170 [16652.494660][ T7704] do_syscall_64+0xc6/0x1e0 [16652.494660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16652.494660][ T7704] [16662.732905][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16662.733719][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16662.733719][ T7704] netdev_get_by_index+0x5e/0x80 [16662.733719][ T7704] fib6_nh_init+0x3d8/0x15b0 [16662.733719][ T7704] ip6_route_info_create+0xf18/0x17d0 [16662.733719][ T7704] ip6_route_add+0x1c/0x140 [16662.733719][ T7704] addrconf_prefix_route+0x2a6/0x430 [16662.733719][ T7704] inet6_addr_add+0x4f8/0xa40 [16662.733719][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16662.733719][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16662.733719][ T7704] netlink_rcv_skb+0x130/0x360 [16662.733719][ T7704] netlink_unicast+0x449/0x710 [16662.733719][ T7704] netlink_sendmsg+0x723/0xbe0 [16662.733719][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16662.733719][ T7704] ___sys_sendmsg+0xee/0x170 [16662.733719][ T7704] __sys_sendmsg+0xcd/0x170 [16662.733719][ T7704] do_syscall_64+0xc6/0x1e0 [16662.733719][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16662.733719][ T7704] [16662.736457][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16662.736457][ T7704] netdev_get_by_index+0x5e/0x80 [16662.736457][ T7704] fib6_nh_init+0x3d8/0x15b0 [16662.736457][ T7704] ip6_route_info_create+0xf18/0x17d0 [16662.736457][ T7704] addrconf_f6i_alloc+0x315/0x560 [16662.736457][ T7704] ipv6_add_addr+0x411/0x2000 [16662.736457][ T7704] inet6_addr_add+0x30e/0xa40 [16662.736457][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16662.736457][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16662.736457][ T7704] netlink_rcv_skb+0x130/0x360 [16662.736457][ T7704] netlink_unicast+0x449/0x710 [16662.736457][ T7704] netlink_sendmsg+0x723/0xbe0 [16662.736457][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16662.736457][ T7704] ___sys_sendmsg+0xee/0x170 [16662.736457][ T7704] __sys_sendmsg+0xcd/0x170 [16662.736457][ T7704] do_syscall_64+0xc6/0x1e0 [16662.736457][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16662.736457][ T7704] [16662.739006][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16662.739006][ T7704] netdev_get_by_index+0x5e/0x80 [16662.739006][ T7704] fib6_nh_init+0x3d8/0x15b0 [16662.739006][ T7704] ip6_route_info_create+0xf18/0x17d0 [16662.739006][ T7704] ip6_route_add+0x1c/0x140 [16662.739006][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16662.739006][ T7704] addrconf_add_dev+0xe2/0x170 [16662.739006][ T7704] inet6_addr_add+0x12f/0xa40 [16662.739006][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16662.739006][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16662.739006][ T7704] netlink_rcv_skb+0x130/0x360 [16662.739006][ T7704] netlink_unicast+0x449/0x710 [16662.739006][ T7704] netlink_sendmsg+0x723/0xbe0 [16662.739006][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16662.739006][ T7704] ___sys_sendmsg+0xee/0x170 [16662.739006][ T7704] __sys_sendmsg+0xcd/0x170 [16662.739006][ T7704] do_syscall_64+0xc6/0x1e0 [16662.739006][ T7704] [16662.741487][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16662.741487][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16662.741487][ T7704] ipv6_find_idev+0x102/0x170 [16662.741487][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16662.741487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16662.741487][ T7704] netlink_rcv_skb+0x130/0x360 [16662.741487][ T7704] netlink_unicast+0x449/0x710 [16662.741487][ T7704] netlink_sendmsg+0x723/0xbe0 [16662.741487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16662.741487][ T7704] ___sys_sendmsg+0xee/0x170 [16662.741487][ T7704] __sys_sendmsg+0xcd/0x170 [16662.741487][ T7704] do_syscall_64+0xc6/0x1e0 [16662.741487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16662.741487][ T7704] [16662.743517][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16662.743517][ T7704] neigh_parms_alloc+0x1e5/0x510 [16662.743517][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16662.743517][ T7704] ipv6_find_idev+0x102/0x170 [16662.743517][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16662.743517][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16662.743517][ T7704] netlink_rcv_skb+0x130/0x360 [16662.743517][ T7704] netlink_unicast+0x449/0x710 [16662.743517][ T7704] netlink_sendmsg+0x723/0xbe0 [16662.743517][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16662.743517][ T7704] ___sys_sendmsg+0xee/0x170 [16662.743517][ T7704] __sys_sendmsg+0xcd/0x170 [16662.743517][ T7704] do_syscall_64+0xc6/0x1e0 [16662.743517][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16662.743517][ T7704] [16672.988850][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16672.989462][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16672.989462][ T7704] netdev_get_by_index+0x5e/0x80 [16672.989462][ T7704] fib6_nh_init+0x3d8/0x15b0 [16672.989462][ T7704] ip6_route_info_create+0xf18/0x17d0 [16672.989462][ T7704] ip6_route_add+0x1c/0x140 [16672.989462][ T7704] addrconf_prefix_route+0x2a6/0x430 [16672.989462][ T7704] inet6_addr_add+0x4f8/0xa40 [16672.989462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16672.989462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16672.989462][ T7704] netlink_rcv_skb+0x130/0x360 [16672.989462][ T7704] netlink_unicast+0x449/0x710 [16672.989462][ T7704] netlink_sendmsg+0x723/0xbe0 [16672.989462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16672.989462][ T7704] ___sys_sendmsg+0xee/0x170 [16672.989462][ T7704] __sys_sendmsg+0xcd/0x170 [16672.989462][ T7704] do_syscall_64+0xc6/0x1e0 [16672.989462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16672.989462][ T7704] [16672.992090][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16672.992090][ T7704] netdev_get_by_index+0x5e/0x80 [16672.992090][ T7704] fib6_nh_init+0x3d8/0x15b0 [16672.992090][ T7704] ip6_route_info_create+0xf18/0x17d0 [16672.992090][ T7704] addrconf_f6i_alloc+0x315/0x560 [16672.992090][ T7704] ipv6_add_addr+0x411/0x2000 [16672.992090][ T7704] inet6_addr_add+0x30e/0xa40 [16672.992090][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16672.992090][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16672.992090][ T7704] netlink_rcv_skb+0x130/0x360 [16672.992090][ T7704] netlink_unicast+0x449/0x710 [16672.992090][ T7704] netlink_sendmsg+0x723/0xbe0 [16672.992090][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16672.992090][ T7704] ___sys_sendmsg+0xee/0x170 [16672.992090][ T7704] __sys_sendmsg+0xcd/0x170 [16672.992090][ T7704] do_syscall_64+0xc6/0x1e0 [16672.992090][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16672.992090][ T7704] [16672.994565][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16672.994565][ T7704] netdev_get_by_index+0x5e/0x80 [16672.994565][ T7704] fib6_nh_init+0x3d8/0x15b0 [16672.994565][ T7704] ip6_route_info_create+0xf18/0x17d0 [16672.994565][ T7704] ip6_route_add+0x1c/0x140 [16672.994565][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16672.994565][ T7704] addrconf_add_dev+0xe2/0x170 [16672.994565][ T7704] inet6_addr_add+0x12f/0xa40 [16672.994565][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16672.994565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16672.994565][ T7704] netlink_rcv_skb+0x130/0x360 [16672.994565][ T7704] netlink_unicast+0x449/0x710 [16672.994565][ T7704] netlink_sendmsg+0x723/0xbe0 [16672.994565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16672.994565][ T7704] ___sys_sendmsg+0xee/0x170 [16672.994565][ T7704] __sys_sendmsg+0xcd/0x170 [16672.994565][ T7704] do_syscall_64+0xc6/0x1e0 [16672.994565][ T7704] [16672.996993][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16672.996993][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16672.996993][ T7704] ipv6_find_idev+0x102/0x170 [16672.996993][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16672.996993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16672.996993][ T7704] netlink_rcv_skb+0x130/0x360 [16672.996993][ T7704] netlink_unicast+0x449/0x710 [16672.996993][ T7704] netlink_sendmsg+0x723/0xbe0 [16672.996993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16672.996993][ T7704] ___sys_sendmsg+0xee/0x170 [16672.996993][ T7704] __sys_sendmsg+0xcd/0x170 [16672.996993][ T7704] do_syscall_64+0xc6/0x1e0 [16672.996993][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16672.996993][ T7704] [16672.998862][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16672.998862][ T7704] neigh_parms_alloc+0x1e5/0x510 [16672.998862][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16672.998862][ T7704] ipv6_find_idev+0x102/0x170 [16672.998862][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16672.998862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16672.998862][ T7704] netlink_rcv_skb+0x130/0x360 [16672.998862][ T7704] netlink_unicast+0x449/0x710 [16672.998862][ T7704] netlink_sendmsg+0x723/0xbe0 [16672.998862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16672.998862][ T7704] ___sys_sendmsg+0xee/0x170 [16672.998862][ T7704] __sys_sendmsg+0xcd/0x170 [16672.998862][ T7704] do_syscall_64+0xc6/0x1e0 [16672.998862][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16672.998862][ T7704] [16683.236915][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16683.237536][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16683.237536][ T7704] netdev_get_by_index+0x5e/0x80 [16683.237536][ T7704] fib6_nh_init+0x3d8/0x15b0 [16683.237536][ T7704] ip6_route_info_create+0xf18/0x17d0 [16683.237536][ T7704] ip6_route_add+0x1c/0x140 [16683.237536][ T7704] addrconf_prefix_route+0x2a6/0x430 [16683.237536][ T7704] inet6_addr_add+0x4f8/0xa40 [16683.237536][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16683.237536][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16683.237536][ T7704] netlink_rcv_skb+0x130/0x360 [16683.237536][ T7704] netlink_unicast+0x449/0x710 [16683.237536][ T7704] netlink_sendmsg+0x723/0xbe0 [16683.237536][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16683.237536][ T7704] ___sys_sendmsg+0xee/0x170 [16683.237536][ T7704] __sys_sendmsg+0xcd/0x170 [16683.237536][ T7704] do_syscall_64+0xc6/0x1e0 [16683.237536][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16683.237536][ T7704] [16683.239842][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16683.239842][ T7704] netdev_get_by_index+0x5e/0x80 [16683.239842][ T7704] fib6_nh_init+0x3d8/0x15b0 [16683.239842][ T7704] ip6_route_info_create+0xf18/0x17d0 [16683.239842][ T7704] addrconf_f6i_alloc+0x315/0x560 [16683.239842][ T7704] ipv6_add_addr+0x411/0x2000 [16683.239842][ T7704] inet6_addr_add+0x30e/0xa40 [16683.239842][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16683.239842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16683.239842][ T7704] netlink_rcv_skb+0x130/0x360 [16683.239842][ T7704] netlink_unicast+0x449/0x710 [16683.239842][ T7704] netlink_sendmsg+0x723/0xbe0 [16683.239842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16683.239842][ T7704] ___sys_sendmsg+0xee/0x170 [16683.239842][ T7704] __sys_sendmsg+0xcd/0x170 [16683.239842][ T7704] do_syscall_64+0xc6/0x1e0 [16683.239842][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16683.239842][ T7704] [16683.242118][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16683.242118][ T7704] netdev_get_by_index+0x5e/0x80 [16683.242118][ T7704] fib6_nh_init+0x3d8/0x15b0 [16683.242118][ T7704] ip6_route_info_create+0xf18/0x17d0 [16683.242118][ T7704] ip6_route_add+0x1c/0x140 [16683.242118][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16683.242118][ T7704] addrconf_add_dev+0xe2/0x170 [16683.242118][ T7704] inet6_addr_add+0x12f/0xa40 [16683.242118][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16683.242118][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16683.242118][ T7704] netlink_rcv_skb+0x130/0x360 [16683.242118][ T7704] netlink_unicast+0x449/0x710 [16683.242118][ T7704] netlink_sendmsg+0x723/0xbe0 [16683.242118][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16683.242118][ T7704] ___sys_sendmsg+0xee/0x170 [16683.242118][ T7704] __sys_sendmsg+0xcd/0x170 [16683.242118][ T7704] do_syscall_64+0xc6/0x1e0 [16683.242118][ T7704] [16683.244374][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16683.244374][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16683.244374][ T7704] ipv6_find_idev+0x102/0x170 [16683.244374][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16683.244374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16683.244374][ T7704] netlink_rcv_skb+0x130/0x360 [16683.244374][ T7704] netlink_unicast+0x449/0x710 [16683.244374][ T7704] netlink_sendmsg+0x723/0xbe0 [16683.244374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16683.244374][ T7704] ___sys_sendmsg+0xee/0x170 [16683.244374][ T7704] __sys_sendmsg+0xcd/0x170 [16683.244374][ T7704] do_syscall_64+0xc6/0x1e0 [16683.244374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16683.244374][ T7704] [16683.246186][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16683.246186][ T7704] neigh_parms_alloc+0x1e5/0x510 [16683.246186][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16683.246186][ T7704] ipv6_find_idev+0x102/0x170 [16683.246186][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16683.246186][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16683.246186][ T7704] netlink_rcv_skb+0x130/0x360 [16683.246186][ T7704] netlink_unicast+0x449/0x710 [16683.246186][ T7704] netlink_sendmsg+0x723/0xbe0 [16683.246186][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16683.246186][ T7704] ___sys_sendmsg+0xee/0x170 [16683.246186][ T7704] __sys_sendmsg+0xcd/0x170 [16683.246186][ T7704] do_syscall_64+0xc6/0x1e0 [16683.246186][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16683.246186][ T7704] [16693.372897][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16693.373984][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16693.373984][ T7704] netdev_get_by_index+0x5e/0x80 [16693.373984][ T7704] fib6_nh_init+0x3d8/0x15b0 [16693.373984][ T7704] ip6_route_info_create+0xf18/0x17d0 [16693.373984][ T7704] ip6_route_add+0x1c/0x140 [16693.373984][ T7704] addrconf_prefix_route+0x2a6/0x430 [16693.373984][ T7704] inet6_addr_add+0x4f8/0xa40 [16693.373984][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16693.373984][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16693.373984][ T7704] netlink_rcv_skb+0x130/0x360 [16693.373984][ T7704] netlink_unicast+0x449/0x710 [16693.373984][ T7704] netlink_sendmsg+0x723/0xbe0 [16693.373984][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16693.373984][ T7704] ___sys_sendmsg+0xee/0x170 [16693.373984][ T7704] __sys_sendmsg+0xcd/0x170 [16693.373984][ T7704] do_syscall_64+0xc6/0x1e0 [16693.373984][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16693.373984][ T7704] [16693.376197][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16693.376197][ T7704] netdev_get_by_index+0x5e/0x80 [16693.376197][ T7704] fib6_nh_init+0x3d8/0x15b0 [16693.376197][ T7704] ip6_route_info_create+0xf18/0x17d0 [16693.376197][ T7704] addrconf_f6i_alloc+0x315/0x560 [16693.376197][ T7704] ipv6_add_addr+0x411/0x2000 [16693.376197][ T7704] inet6_addr_add+0x30e/0xa40 [16693.376197][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16693.376197][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16693.376197][ T7704] netlink_rcv_skb+0x130/0x360 [16693.376197][ T7704] netlink_unicast+0x449/0x710 [16693.376197][ T7704] netlink_sendmsg+0x723/0xbe0 [16693.376197][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16693.376197][ T7704] ___sys_sendmsg+0xee/0x170 [16693.376197][ T7704] __sys_sendmsg+0xcd/0x170 [16693.376197][ T7704] do_syscall_64+0xc6/0x1e0 [16693.376197][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16693.376197][ T7704] [16693.378366][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16693.378366][ T7704] netdev_get_by_index+0x5e/0x80 [16693.378366][ T7704] fib6_nh_init+0x3d8/0x15b0 [16693.378366][ T7704] ip6_route_info_create+0xf18/0x17d0 [16693.378366][ T7704] ip6_route_add+0x1c/0x140 [16693.378366][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16693.378366][ T7704] addrconf_add_dev+0xe2/0x170 [16693.378366][ T7704] inet6_addr_add+0x12f/0xa40 [16693.378366][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16693.378366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16693.378366][ T7704] netlink_rcv_skb+0x130/0x360 [16693.378366][ T7704] netlink_unicast+0x449/0x710 [16693.378366][ T7704] netlink_sendmsg+0x723/0xbe0 [16693.378366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16693.378366][ T7704] ___sys_sendmsg+0xee/0x170 [16693.378366][ T7704] __sys_sendmsg+0xcd/0x170 [16693.378366][ T7704] do_syscall_64+0xc6/0x1e0 [16693.378366][ T7704] [16693.380491][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16693.380491][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16693.380491][ T7704] ipv6_find_idev+0x102/0x170 [16693.380491][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16693.380491][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16693.380491][ T7704] netlink_rcv_skb+0x130/0x360 [16693.380491][ T7704] netlink_unicast+0x449/0x710 [16693.380491][ T7704] netlink_sendmsg+0x723/0xbe0 [16693.380491][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16693.380491][ T7704] ___sys_sendmsg+0xee/0x170 [16693.380491][ T7704] __sys_sendmsg+0xcd/0x170 [16693.380491][ T7704] do_syscall_64+0xc6/0x1e0 [16693.380491][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16693.380491][ T7704] [16693.382345][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16693.382345][ T7704] neigh_parms_alloc+0x1e5/0x510 [16693.382345][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16693.382345][ T7704] ipv6_find_idev+0x102/0x170 [16693.382345][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16693.382345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16693.382345][ T7704] netlink_rcv_skb+0x130/0x360 [16693.382345][ T7704] netlink_unicast+0x449/0x710 [16693.382345][ T7704] netlink_sendmsg+0x723/0xbe0 [16693.382345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16693.382345][ T7704] ___sys_sendmsg+0xee/0x170 [16693.382345][ T7704] __sys_sendmsg+0xcd/0x170 [16693.382345][ T7704] do_syscall_64+0xc6/0x1e0 [16693.382345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16693.382345][ T7704] [16703.620922][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16703.622025][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16703.622025][ T7704] netdev_get_by_index+0x5e/0x80 [16703.622025][ T7704] fib6_nh_init+0x3d8/0x15b0 [16703.622025][ T7704] ip6_route_info_create+0xf18/0x17d0 [16703.622025][ T7704] ip6_route_add+0x1c/0x140 [16703.622025][ T7704] addrconf_prefix_route+0x2a6/0x430 [16703.622025][ T7704] inet6_addr_add+0x4f8/0xa40 [16703.622025][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16703.622025][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16703.622025][ T7704] netlink_rcv_skb+0x130/0x360 [16703.622025][ T7704] netlink_unicast+0x449/0x710 [16703.622025][ T7704] netlink_sendmsg+0x723/0xbe0 [16703.622025][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16703.622025][ T7704] ___sys_sendmsg+0xee/0x170 [16703.622025][ T7704] __sys_sendmsg+0xcd/0x170 [16703.622025][ T7704] do_syscall_64+0xc6/0x1e0 [16703.622025][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16703.622025][ T7704] [16703.624509][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16703.624509][ T7704] netdev_get_by_index+0x5e/0x80 [16703.624509][ T7704] fib6_nh_init+0x3d8/0x15b0 [16703.624509][ T7704] ip6_route_info_create+0xf18/0x17d0 [16703.624509][ T7704] addrconf_f6i_alloc+0x315/0x560 [16703.624509][ T7704] ipv6_add_addr+0x411/0x2000 [16703.624509][ T7704] inet6_addr_add+0x30e/0xa40 [16703.624509][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16703.624509][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16703.624509][ T7704] netlink_rcv_skb+0x130/0x360 [16703.624509][ T7704] netlink_unicast+0x449/0x710 [16703.624509][ T7704] netlink_sendmsg+0x723/0xbe0 [16703.624509][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16703.624509][ T7704] ___sys_sendmsg+0xee/0x170 [16703.624509][ T7704] __sys_sendmsg+0xcd/0x170 [16703.624509][ T7704] do_syscall_64+0xc6/0x1e0 [16703.624509][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16703.624509][ T7704] [16703.626860][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16703.626860][ T7704] netdev_get_by_index+0x5e/0x80 [16703.626860][ T7704] fib6_nh_init+0x3d8/0x15b0 [16703.626860][ T7704] ip6_route_info_create+0xf18/0x17d0 [16703.626860][ T7704] ip6_route_add+0x1c/0x140 [16703.626860][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16703.626860][ T7704] addrconf_add_dev+0xe2/0x170 [16703.626860][ T7704] inet6_addr_add+0x12f/0xa40 [16703.626860][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16703.626860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16703.626860][ T7704] netlink_rcv_skb+0x130/0x360 [16703.626860][ T7704] netlink_unicast+0x449/0x710 [16703.626860][ T7704] netlink_sendmsg+0x723/0xbe0 [16703.626860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16703.626860][ T7704] ___sys_sendmsg+0xee/0x170 [16703.626860][ T7704] __sys_sendmsg+0xcd/0x170 [16703.626860][ T7704] do_syscall_64+0xc6/0x1e0 [16703.626860][ T7704] [16703.629231][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16703.629231][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16703.629231][ T7704] ipv6_find_idev+0x102/0x170 [16703.629231][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16703.629231][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16703.629231][ T7704] netlink_rcv_skb+0x130/0x360 [16703.629231][ T7704] netlink_unicast+0x449/0x710 [16703.629231][ T7704] netlink_sendmsg+0x723/0xbe0 [16703.629231][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16703.629231][ T7704] ___sys_sendmsg+0xee/0x170 [16703.629231][ T7704] __sys_sendmsg+0xcd/0x170 [16703.629231][ T7704] do_syscall_64+0xc6/0x1e0 [16703.629231][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16703.629231][ T7704] [16703.631072][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16703.631072][ T7704] neigh_parms_alloc+0x1e5/0x510 [16703.631072][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16703.631072][ T7704] ipv6_find_idev+0x102/0x170 [16703.631072][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16703.631072][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16703.631072][ T7704] netlink_rcv_skb+0x130/0x360 [16703.631072][ T7704] netlink_unicast+0x449/0x710 [16703.631072][ T7704] netlink_sendmsg+0x723/0xbe0 [16703.631072][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16703.631072][ T7704] ___sys_sendmsg+0xee/0x170 [16703.631072][ T7704] __sys_sendmsg+0xcd/0x170 [16703.631072][ T7704] do_syscall_64+0xc6/0x1e0 [16703.631072][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16703.631072][ T7704] [16713.636877][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16713.637482][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16713.637482][ T7704] netdev_get_by_index+0x5e/0x80 [16713.637482][ T7704] fib6_nh_init+0x3d8/0x15b0 [16713.637482][ T7704] ip6_route_info_create+0xf18/0x17d0 [16713.637482][ T7704] ip6_route_add+0x1c/0x140 [16713.637482][ T7704] addrconf_prefix_route+0x2a6/0x430 [16713.637482][ T7704] inet6_addr_add+0x4f8/0xa40 [16713.637482][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16713.637482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16713.637482][ T7704] netlink_rcv_skb+0x130/0x360 [16713.637482][ T7704] netlink_unicast+0x449/0x710 [16713.637482][ T7704] netlink_sendmsg+0x723/0xbe0 [16713.637482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16713.637482][ T7704] ___sys_sendmsg+0xee/0x170 [16713.637482][ T7704] __sys_sendmsg+0xcd/0x170 [16713.637482][ T7704] do_syscall_64+0xc6/0x1e0 [16713.637482][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16713.637482][ T7704] [16713.639904][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16713.639904][ T7704] netdev_get_by_index+0x5e/0x80 [16713.639904][ T7704] fib6_nh_init+0x3d8/0x15b0 [16713.639904][ T7704] ip6_route_info_create+0xf18/0x17d0 [16713.639904][ T7704] addrconf_f6i_alloc+0x315/0x560 [16713.639904][ T7704] ipv6_add_addr+0x411/0x2000 [16713.639904][ T7704] inet6_addr_add+0x30e/0xa40 [16713.639904][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16713.639904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16713.639904][ T7704] netlink_rcv_skb+0x130/0x360 [16713.639904][ T7704] netlink_unicast+0x449/0x710 [16713.639904][ T7704] netlink_sendmsg+0x723/0xbe0 [16713.639904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16713.639904][ T7704] ___sys_sendmsg+0xee/0x170 [16713.639904][ T7704] __sys_sendmsg+0xcd/0x170 [16713.639904][ T7704] do_syscall_64+0xc6/0x1e0 [16713.639904][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16713.639904][ T7704] [16713.642315][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16713.642315][ T7704] netdev_get_by_index+0x5e/0x80 [16713.642315][ T7704] fib6_nh_init+0x3d8/0x15b0 [16713.642315][ T7704] ip6_route_info_create+0xf18/0x17d0 [16713.642315][ T7704] ip6_route_add+0x1c/0x140 [16713.642315][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16713.642315][ T7704] addrconf_add_dev+0xe2/0x170 [16713.642315][ T7704] inet6_addr_add+0x12f/0xa40 [16713.642315][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16713.642315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16713.642315][ T7704] netlink_rcv_skb+0x130/0x360 [16713.642315][ T7704] netlink_unicast+0x449/0x710 [16713.642315][ T7704] netlink_sendmsg+0x723/0xbe0 [16713.642315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16713.642315][ T7704] ___sys_sendmsg+0xee/0x170 [16713.642315][ T7704] __sys_sendmsg+0xcd/0x170 [16713.642315][ T7704] do_syscall_64+0xc6/0x1e0 [16713.642315][ T7704] [16713.644654][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16713.644654][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16713.644654][ T7704] ipv6_find_idev+0x102/0x170 [16713.644654][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16713.644654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16713.644654][ T7704] netlink_rcv_skb+0x130/0x360 [16713.644654][ T7704] netlink_unicast+0x449/0x710 [16713.644654][ T7704] netlink_sendmsg+0x723/0xbe0 [16713.644654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16713.644654][ T7704] ___sys_sendmsg+0xee/0x170 [16713.644654][ T7704] __sys_sendmsg+0xcd/0x170 [16713.644654][ T7704] do_syscall_64+0xc6/0x1e0 [16713.644654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16713.644654][ T7704] [16713.646451][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16713.646451][ T7704] neigh_parms_alloc+0x1e5/0x510 [16713.646451][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16713.646451][ T7704] ipv6_find_idev+0x102/0x170 [16713.646451][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16713.646451][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16713.646451][ T7704] netlink_rcv_skb+0x130/0x360 [16713.646451][ T7704] netlink_unicast+0x449/0x710 [16713.646451][ T7704] netlink_sendmsg+0x723/0xbe0 [16713.646451][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16713.646451][ T7704] ___sys_sendmsg+0xee/0x170 [16713.646451][ T7704] __sys_sendmsg+0xcd/0x170 [16713.646451][ T7704] do_syscall_64+0xc6/0x1e0 [16713.646451][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16713.646451][ T7704] [16723.868820][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16723.869347][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16723.869347][ T7704] netdev_get_by_index+0x5e/0x80 [16723.869347][ T7704] fib6_nh_init+0x3d8/0x15b0 [16723.869347][ T7704] ip6_route_info_create+0xf18/0x17d0 [16723.869347][ T7704] ip6_route_add+0x1c/0x140 [16723.869347][ T7704] addrconf_prefix_route+0x2a6/0x430 [16723.869347][ T7704] inet6_addr_add+0x4f8/0xa40 [16723.869347][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16723.869347][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16723.869347][ T7704] netlink_rcv_skb+0x130/0x360 [16723.869347][ T7704] netlink_unicast+0x449/0x710 [16723.869347][ T7704] netlink_sendmsg+0x723/0xbe0 [16723.869347][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16723.869347][ T7704] ___sys_sendmsg+0xee/0x170 [16723.869347][ T7704] __sys_sendmsg+0xcd/0x170 [16723.869347][ T7704] do_syscall_64+0xc6/0x1e0 [16723.869347][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16723.869347][ T7704] [16723.871744][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16723.871744][ T7704] netdev_get_by_index+0x5e/0x80 [16723.871744][ T7704] fib6_nh_init+0x3d8/0x15b0 [16723.871744][ T7704] ip6_route_info_create+0xf18/0x17d0 [16723.871744][ T7704] addrconf_f6i_alloc+0x315/0x560 [16723.871744][ T7704] ipv6_add_addr+0x411/0x2000 [16723.871744][ T7704] inet6_addr_add+0x30e/0xa40 [16723.871744][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16723.871744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16723.871744][ T7704] netlink_rcv_skb+0x130/0x360 [16723.871744][ T7704] netlink_unicast+0x449/0x710 [16723.871744][ T7704] netlink_sendmsg+0x723/0xbe0 [16723.871744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16723.871744][ T7704] ___sys_sendmsg+0xee/0x170 [16723.871744][ T7704] __sys_sendmsg+0xcd/0x170 [16723.871744][ T7704] do_syscall_64+0xc6/0x1e0 [16723.871744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16723.871744][ T7704] [16723.874066][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16723.874066][ T7704] netdev_get_by_index+0x5e/0x80 [16723.874066][ T7704] fib6_nh_init+0x3d8/0x15b0 [16723.874066][ T7704] ip6_route_info_create+0xf18/0x17d0 [16723.874066][ T7704] ip6_route_add+0x1c/0x140 [16723.874066][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16723.874066][ T7704] addrconf_add_dev+0xe2/0x170 [16723.874066][ T7704] inet6_addr_add+0x12f/0xa40 [16723.874066][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16723.874066][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16723.874066][ T7704] netlink_rcv_skb+0x130/0x360 [16723.874066][ T7704] netlink_unicast+0x449/0x710 [16723.874066][ T7704] netlink_sendmsg+0x723/0xbe0 [16723.874066][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16723.874066][ T7704] ___sys_sendmsg+0xee/0x170 [16723.874066][ T7704] __sys_sendmsg+0xcd/0x170 [16723.874066][ T7704] do_syscall_64+0xc6/0x1e0 [16723.874066][ T7704] [16723.876329][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16723.876329][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16723.876329][ T7704] ipv6_find_idev+0x102/0x170 [16723.876329][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16723.876329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16723.876329][ T7704] netlink_rcv_skb+0x130/0x360 [16723.876329][ T7704] netlink_unicast+0x449/0x710 [16723.876329][ T7704] netlink_sendmsg+0x723/0xbe0 [16723.876329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16723.876329][ T7704] ___sys_sendmsg+0xee/0x170 [16723.876329][ T7704] __sys_sendmsg+0xcd/0x170 [16723.876329][ T7704] do_syscall_64+0xc6/0x1e0 [16723.876329][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16723.876329][ T7704] [16723.878084][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16723.878084][ T7704] neigh_parms_alloc+0x1e5/0x510 [16723.878084][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16723.878084][ T7704] ipv6_find_idev+0x102/0x170 [16723.878084][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16723.878084][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16723.878084][ T7704] netlink_rcv_skb+0x130/0x360 [16723.878084][ T7704] netlink_unicast+0x449/0x710 [16723.878084][ T7704] netlink_sendmsg+0x723/0xbe0 [16723.878084][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16723.878084][ T7704] ___sys_sendmsg+0xee/0x170 [16723.878084][ T7704] __sys_sendmsg+0xcd/0x170 [16723.878084][ T7704] do_syscall_64+0xc6/0x1e0 [16723.878084][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16723.878084][ T7704] [16733.964885][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16733.965413][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16733.965413][ T7704] netdev_get_by_index+0x5e/0x80 [16733.965413][ T7704] fib6_nh_init+0x3d8/0x15b0 [16733.965413][ T7704] ip6_route_info_create+0xf18/0x17d0 [16733.965413][ T7704] ip6_route_add+0x1c/0x140 [16733.965413][ T7704] addrconf_prefix_route+0x2a6/0x430 [16733.965413][ T7704] inet6_addr_add+0x4f8/0xa40 [16733.965413][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16733.965413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16733.965413][ T7704] netlink_rcv_skb+0x130/0x360 [16733.965413][ T7704] netlink_unicast+0x449/0x710 [16733.965413][ T7704] netlink_sendmsg+0x723/0xbe0 [16733.965413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16733.965413][ T7704] ___sys_sendmsg+0xee/0x170 [16733.965413][ T7704] __sys_sendmsg+0xcd/0x170 [16733.965413][ T7704] do_syscall_64+0xc6/0x1e0 [16733.965413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16733.965413][ T7704] [16733.967623][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16733.967623][ T7704] netdev_get_by_index+0x5e/0x80 [16733.967623][ T7704] fib6_nh_init+0x3d8/0x15b0 [16733.967623][ T7704] ip6_route_info_create+0xf18/0x17d0 [16733.967623][ T7704] addrconf_f6i_alloc+0x315/0x560 [16733.967623][ T7704] ipv6_add_addr+0x411/0x2000 [16733.967623][ T7704] inet6_addr_add+0x30e/0xa40 [16733.967623][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16733.967623][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16733.967623][ T7704] netlink_rcv_skb+0x130/0x360 [16733.967623][ T7704] netlink_unicast+0x449/0x710 [16733.967623][ T7704] netlink_sendmsg+0x723/0xbe0 [16733.967623][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16733.967623][ T7704] ___sys_sendmsg+0xee/0x170 [16733.967623][ T7704] __sys_sendmsg+0xcd/0x170 [16733.967623][ T7704] do_syscall_64+0xc6/0x1e0 [16733.967623][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16733.967623][ T7704] [16733.969790][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16733.969790][ T7704] netdev_get_by_index+0x5e/0x80 [16733.969790][ T7704] fib6_nh_init+0x3d8/0x15b0 [16733.969790][ T7704] ip6_route_info_create+0xf18/0x17d0 [16733.969790][ T7704] ip6_route_add+0x1c/0x140 [16733.969790][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16733.969790][ T7704] addrconf_add_dev+0xe2/0x170 [16733.969790][ T7704] inet6_addr_add+0x12f/0xa40 [16733.969790][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16733.969790][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16733.969790][ T7704] netlink_rcv_skb+0x130/0x360 [16733.969790][ T7704] netlink_unicast+0x449/0x710 [16733.969790][ T7704] netlink_sendmsg+0x723/0xbe0 [16733.969790][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16733.969790][ T7704] ___sys_sendmsg+0xee/0x170 [16733.969790][ T7704] __sys_sendmsg+0xcd/0x170 [16733.969790][ T7704] do_syscall_64+0xc6/0x1e0 [16733.969790][ T7704] [16733.971912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16733.971912][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16733.971912][ T7704] ipv6_find_idev+0x102/0x170 [16733.971912][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16733.971912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16733.971912][ T7704] netlink_rcv_skb+0x130/0x360 [16733.971912][ T7704] netlink_unicast+0x449/0x710 [16733.971912][ T7704] netlink_sendmsg+0x723/0xbe0 [16733.971912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16733.971912][ T7704] ___sys_sendmsg+0xee/0x170 [16733.971912][ T7704] __sys_sendmsg+0xcd/0x170 [16733.971912][ T7704] do_syscall_64+0xc6/0x1e0 [16733.971912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16733.971912][ T7704] [16733.973586][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16733.973586][ T7704] neigh_parms_alloc+0x1e5/0x510 [16733.973586][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16733.973586][ T7704] ipv6_find_idev+0x102/0x170 [16733.973586][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16733.973586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16733.973586][ T7704] netlink_rcv_skb+0x130/0x360 [16733.973586][ T7704] netlink_unicast+0x449/0x710 [16733.973586][ T7704] netlink_sendmsg+0x723/0xbe0 [16733.973586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16733.973586][ T7704] ___sys_sendmsg+0xee/0x170 [16733.973586][ T7704] __sys_sendmsg+0xcd/0x170 [16733.973586][ T7704] do_syscall_64+0xc6/0x1e0 [16733.973586][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16733.973586][ T7704] [16744.212862][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16744.213386][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16744.213386][ T7704] netdev_get_by_index+0x5e/0x80 [16744.213386][ T7704] fib6_nh_init+0x3d8/0x15b0 [16744.213386][ T7704] ip6_route_info_create+0xf18/0x17d0 [16744.213386][ T7704] ip6_route_add+0x1c/0x140 [16744.213386][ T7704] addrconf_prefix_route+0x2a6/0x430 [16744.213386][ T7704] inet6_addr_add+0x4f8/0xa40 [16744.213386][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16744.213386][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16744.213386][ T7704] netlink_rcv_skb+0x130/0x360 [16744.213386][ T7704] netlink_unicast+0x449/0x710 [16744.213386][ T7704] netlink_sendmsg+0x723/0xbe0 [16744.213386][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16744.213386][ T7704] ___sys_sendmsg+0xee/0x170 [16744.213386][ T7704] __sys_sendmsg+0xcd/0x170 [16744.213386][ T7704] do_syscall_64+0xc6/0x1e0 [16744.213386][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16744.213386][ T7704] [16744.215622][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16744.215622][ T7704] netdev_get_by_index+0x5e/0x80 [16744.215622][ T7704] fib6_nh_init+0x3d8/0x15b0 [16744.215622][ T7704] ip6_route_info_create+0xf18/0x17d0 [16744.215622][ T7704] addrconf_f6i_alloc+0x315/0x560 [16744.215622][ T7704] ipv6_add_addr+0x411/0x2000 [16744.215622][ T7704] inet6_addr_add+0x30e/0xa40 [16744.215622][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16744.215622][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16744.215622][ T7704] netlink_rcv_skb+0x130/0x360 [16744.215622][ T7704] netlink_unicast+0x449/0x710 [16744.215622][ T7704] netlink_sendmsg+0x723/0xbe0 [16744.215622][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16744.215622][ T7704] ___sys_sendmsg+0xee/0x170 [16744.215622][ T7704] __sys_sendmsg+0xcd/0x170 [16744.215622][ T7704] do_syscall_64+0xc6/0x1e0 [16744.215622][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16744.215622][ T7704] [16744.217777][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16744.217777][ T7704] netdev_get_by_index+0x5e/0x80 [16744.217777][ T7704] fib6_nh_init+0x3d8/0x15b0 [16744.217777][ T7704] ip6_route_info_create+0xf18/0x17d0 [16744.217777][ T7704] ip6_route_add+0x1c/0x140 [16744.217777][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16744.217777][ T7704] addrconf_add_dev+0xe2/0x170 [16744.217777][ T7704] inet6_addr_add+0x12f/0xa40 [16744.217777][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16744.217777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16744.217777][ T7704] netlink_rcv_skb+0x130/0x360 [16744.217777][ T7704] netlink_unicast+0x449/0x710 [16744.217777][ T7704] netlink_sendmsg+0x723/0xbe0 [16744.217777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16744.217777][ T7704] ___sys_sendmsg+0xee/0x170 [16744.217777][ T7704] __sys_sendmsg+0xcd/0x170 [16744.217777][ T7704] do_syscall_64+0xc6/0x1e0 [16744.217777][ T7704] [16744.219939][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16744.219939][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16744.219939][ T7704] ipv6_find_idev+0x102/0x170 [16744.219939][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16744.219939][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16744.219939][ T7704] netlink_rcv_skb+0x130/0x360 [16744.219939][ T7704] netlink_unicast+0x449/0x710 [16744.219939][ T7704] netlink_sendmsg+0x723/0xbe0 [16744.219939][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16744.219939][ T7704] ___sys_sendmsg+0xee/0x170 [16744.219939][ T7704] __sys_sendmsg+0xcd/0x170 [16744.219939][ T7704] do_syscall_64+0xc6/0x1e0 [16744.219939][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16744.219939][ T7704] [16744.221635][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16744.221635][ T7704] neigh_parms_alloc+0x1e5/0x510 [16744.221635][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16744.221635][ T7704] ipv6_find_idev+0x102/0x170 [16744.221635][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16744.221635][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16744.221635][ T7704] netlink_rcv_skb+0x130/0x360 [16744.221635][ T7704] netlink_unicast+0x449/0x710 [16744.221635][ T7704] netlink_sendmsg+0x723/0xbe0 [16744.221635][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16744.221635][ T7704] ___sys_sendmsg+0xee/0x170 [16744.221635][ T7704] __sys_sendmsg+0xcd/0x170 [16744.221635][ T7704] do_syscall_64+0xc6/0x1e0 [16744.221635][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16744.221635][ T7704] [16754.460885][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16754.461483][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16754.461483][ T7704] netdev_get_by_index+0x5e/0x80 [16754.461483][ T7704] fib6_nh_init+0x3d8/0x15b0 [16754.461483][ T7704] ip6_route_info_create+0xf18/0x17d0 [16754.461483][ T7704] ip6_route_add+0x1c/0x140 [16754.461483][ T7704] addrconf_prefix_route+0x2a6/0x430 [16754.461483][ T7704] inet6_addr_add+0x4f8/0xa40 [16754.461483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16754.461483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16754.461483][ T7704] netlink_rcv_skb+0x130/0x360 [16754.461483][ T7704] netlink_unicast+0x449/0x710 [16754.461483][ T7704] netlink_sendmsg+0x723/0xbe0 [16754.461483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16754.461483][ T7704] ___sys_sendmsg+0xee/0x170 [16754.461483][ T7704] __sys_sendmsg+0xcd/0x170 [16754.461483][ T7704] do_syscall_64+0xc6/0x1e0 [16754.461483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16754.461483][ T7704] [16754.464243][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16754.464243][ T7704] netdev_get_by_index+0x5e/0x80 [16754.464243][ T7704] fib6_nh_init+0x3d8/0x15b0 [16754.464243][ T7704] ip6_route_info_create+0xf18/0x17d0 [16754.464243][ T7704] addrconf_f6i_alloc+0x315/0x560 [16754.464243][ T7704] ipv6_add_addr+0x411/0x2000 [16754.464243][ T7704] inet6_addr_add+0x30e/0xa40 [16754.464243][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16754.464243][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16754.464243][ T7704] netlink_rcv_skb+0x130/0x360 [16754.464243][ T7704] netlink_unicast+0x449/0x710 [16754.464243][ T7704] netlink_sendmsg+0x723/0xbe0 [16754.464243][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16754.464243][ T7704] ___sys_sendmsg+0xee/0x170 [16754.464243][ T7704] __sys_sendmsg+0xcd/0x170 [16754.464243][ T7704] do_syscall_64+0xc6/0x1e0 [16754.464243][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16754.464243][ T7704] [16754.466418][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16754.466418][ T7704] netdev_get_by_index+0x5e/0x80 [16754.466418][ T7704] fib6_nh_init+0x3d8/0x15b0 [16754.466418][ T7704] ip6_route_info_create+0xf18/0x17d0 [16754.466418][ T7704] ip6_route_add+0x1c/0x140 [16754.466418][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16754.466418][ T7704] addrconf_add_dev+0xe2/0x170 [16754.466418][ T7704] inet6_addr_add+0x12f/0xa40 [16754.466418][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16754.466418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16754.466418][ T7704] netlink_rcv_skb+0x130/0x360 [16754.466418][ T7704] netlink_unicast+0x449/0x710 [16754.466418][ T7704] netlink_sendmsg+0x723/0xbe0 [16754.466418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16754.466418][ T7704] ___sys_sendmsg+0xee/0x170 [16754.466418][ T7704] __sys_sendmsg+0xcd/0x170 [16754.466418][ T7704] do_syscall_64+0xc6/0x1e0 [16754.466418][ T7704] [16754.468613][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16754.468613][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16754.468613][ T7704] ipv6_find_idev+0x102/0x170 [16754.468613][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16754.468613][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16754.468613][ T7704] netlink_rcv_skb+0x130/0x360 [16754.468613][ T7704] netlink_unicast+0x449/0x710 [16754.468613][ T7704] netlink_sendmsg+0x723/0xbe0 [16754.468613][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16754.468613][ T7704] ___sys_sendmsg+0xee/0x170 [16754.468613][ T7704] __sys_sendmsg+0xcd/0x170 [16754.468613][ T7704] do_syscall_64+0xc6/0x1e0 [16754.468613][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16754.468613][ T7704] [16754.470281][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16754.470281][ T7704] neigh_parms_alloc+0x1e5/0x510 [16754.470281][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16754.470281][ T7704] ipv6_find_idev+0x102/0x170 [16754.470281][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16754.470281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16754.470281][ T7704] netlink_rcv_skb+0x130/0x360 [16754.470281][ T7704] netlink_unicast+0x449/0x710 [16754.470281][ T7704] netlink_sendmsg+0x723/0xbe0 [16754.470281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16754.470281][ T7704] ___sys_sendmsg+0xee/0x170 [16754.470281][ T7704] __sys_sendmsg+0xcd/0x170 [16754.470281][ T7704] do_syscall_64+0xc6/0x1e0 [16754.470281][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16754.470281][ T7704] [16764.708872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16764.709945][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16764.709945][ T7704] netdev_get_by_index+0x5e/0x80 [16764.709945][ T7704] fib6_nh_init+0x3d8/0x15b0 [16764.709945][ T7704] ip6_route_info_create+0xf18/0x17d0 [16764.709945][ T7704] ip6_route_add+0x1c/0x140 [16764.709945][ T7704] addrconf_prefix_route+0x2a6/0x430 [16764.709945][ T7704] inet6_addr_add+0x4f8/0xa40 [16764.709945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16764.709945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16764.709945][ T7704] netlink_rcv_skb+0x130/0x360 [16764.709945][ T7704] netlink_unicast+0x449/0x710 [16764.709945][ T7704] netlink_sendmsg+0x723/0xbe0 [16764.709945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16764.709945][ T7704] ___sys_sendmsg+0xee/0x170 [16764.709945][ T7704] __sys_sendmsg+0xcd/0x170 [16764.709945][ T7704] do_syscall_64+0xc6/0x1e0 [16764.709945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16764.709945][ T7704] [16764.712130][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16764.712130][ T7704] netdev_get_by_index+0x5e/0x80 [16764.712130][ T7704] fib6_nh_init+0x3d8/0x15b0 [16764.712130][ T7704] ip6_route_info_create+0xf18/0x17d0 [16764.712130][ T7704] addrconf_f6i_alloc+0x315/0x560 [16764.712130][ T7704] ipv6_add_addr+0x411/0x2000 [16764.712130][ T7704] inet6_addr_add+0x30e/0xa40 [16764.712130][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16764.712130][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16764.712130][ T7704] netlink_rcv_skb+0x130/0x360 [16764.712130][ T7704] netlink_unicast+0x449/0x710 [16764.712130][ T7704] netlink_sendmsg+0x723/0xbe0 [16764.712130][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16764.712130][ T7704] ___sys_sendmsg+0xee/0x170 [16764.712130][ T7704] __sys_sendmsg+0xcd/0x170 [16764.712130][ T7704] do_syscall_64+0xc6/0x1e0 [16764.712130][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16764.712130][ T7704] [16764.714355][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16764.714355][ T7704] netdev_get_by_index+0x5e/0x80 [16764.714355][ T7704] fib6_nh_init+0x3d8/0x15b0 [16764.714355][ T7704] ip6_route_info_create+0xf18/0x17d0 [16764.714355][ T7704] ip6_route_add+0x1c/0x140 [16764.714355][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16764.714355][ T7704] addrconf_add_dev+0xe2/0x170 [16764.714355][ T7704] inet6_addr_add+0x12f/0xa40 [16764.714355][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16764.714355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16764.714355][ T7704] netlink_rcv_skb+0x130/0x360 [16764.714355][ T7704] netlink_unicast+0x449/0x710 [16764.714355][ T7704] netlink_sendmsg+0x723/0xbe0 [16764.714355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16764.714355][ T7704] ___sys_sendmsg+0xee/0x170 [16764.714355][ T7704] __sys_sendmsg+0xcd/0x170 [16764.714355][ T7704] do_syscall_64+0xc6/0x1e0 [16764.714355][ T7704] [16764.716945][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16764.716945][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16764.716945][ T7704] ipv6_find_idev+0x102/0x170 [16764.716945][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16764.716945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16764.716945][ T7704] netlink_rcv_skb+0x130/0x360 [16764.716945][ T7704] netlink_unicast+0x449/0x710 [16764.716945][ T7704] netlink_sendmsg+0x723/0xbe0 [16764.716945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16764.716945][ T7704] ___sys_sendmsg+0xee/0x170 [16764.716945][ T7704] __sys_sendmsg+0xcd/0x170 [16764.716945][ T7704] do_syscall_64+0xc6/0x1e0 [16764.716945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16764.716945][ T7704] [16764.718598][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16764.718598][ T7704] neigh_parms_alloc+0x1e5/0x510 [16764.718598][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16764.718598][ T7704] ipv6_find_idev+0x102/0x170 [16764.718598][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16764.718598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16764.718598][ T7704] netlink_rcv_skb+0x130/0x360 [16764.718598][ T7704] netlink_unicast+0x449/0x710 [16764.718598][ T7704] netlink_sendmsg+0x723/0xbe0 [16764.718598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16764.718598][ T7704] ___sys_sendmsg+0xee/0x170 [16764.718598][ T7704] __sys_sendmsg+0xcd/0x170 [16764.718598][ T7704] do_syscall_64+0xc6/0x1e0 [16764.718598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16764.718598][ T7704] [16774.780816][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16774.781434][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16774.781434][ T7704] netdev_get_by_index+0x5e/0x80 [16774.781434][ T7704] fib6_nh_init+0x3d8/0x15b0 [16774.781434][ T7704] ip6_route_info_create+0xf18/0x17d0 [16774.781434][ T7704] ip6_route_add+0x1c/0x140 [16774.781434][ T7704] addrconf_prefix_route+0x2a6/0x430 [16774.781434][ T7704] inet6_addr_add+0x4f8/0xa40 [16774.781434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16774.781434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16774.781434][ T7704] netlink_rcv_skb+0x130/0x360 [16774.781434][ T7704] netlink_unicast+0x449/0x710 [16774.781434][ T7704] netlink_sendmsg+0x723/0xbe0 [16774.781434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16774.781434][ T7704] ___sys_sendmsg+0xee/0x170 [16774.781434][ T7704] __sys_sendmsg+0xcd/0x170 [16774.781434][ T7704] do_syscall_64+0xc6/0x1e0 [16774.781434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16774.781434][ T7704] [16774.783785][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16774.783785][ T7704] netdev_get_by_index+0x5e/0x80 [16774.783785][ T7704] fib6_nh_init+0x3d8/0x15b0 [16774.783785][ T7704] ip6_route_info_create+0xf18/0x17d0 [16774.783785][ T7704] addrconf_f6i_alloc+0x315/0x560 [16774.783785][ T7704] ipv6_add_addr+0x411/0x2000 [16774.783785][ T7704] inet6_addr_add+0x30e/0xa40 [16774.783785][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16774.783785][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16774.783785][ T7704] netlink_rcv_skb+0x130/0x360 [16774.783785][ T7704] netlink_unicast+0x449/0x710 [16774.783785][ T7704] netlink_sendmsg+0x723/0xbe0 [16774.783785][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16774.783785][ T7704] ___sys_sendmsg+0xee/0x170 [16774.783785][ T7704] __sys_sendmsg+0xcd/0x170 [16774.783785][ T7704] do_syscall_64+0xc6/0x1e0 [16774.783785][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16774.783785][ T7704] [16774.786072][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16774.786072][ T7704] netdev_get_by_index+0x5e/0x80 [16774.786072][ T7704] fib6_nh_init+0x3d8/0x15b0 [16774.786072][ T7704] ip6_route_info_create+0xf18/0x17d0 [16774.786072][ T7704] ip6_route_add+0x1c/0x140 [16774.786072][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16774.786072][ T7704] addrconf_add_dev+0xe2/0x170 [16774.786072][ T7704] inet6_addr_add+0x12f/0xa40 [16774.786072][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16774.786072][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16774.786072][ T7704] netlink_rcv_skb+0x130/0x360 [16774.786072][ T7704] netlink_unicast+0x449/0x710 [16774.786072][ T7704] netlink_sendmsg+0x723/0xbe0 [16774.786072][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16774.786072][ T7704] ___sys_sendmsg+0xee/0x170 [16774.786072][ T7704] __sys_sendmsg+0xcd/0x170 [16774.786072][ T7704] do_syscall_64+0xc6/0x1e0 [16774.786072][ T7704] [16774.788307][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16774.788307][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16774.788307][ T7704] ipv6_find_idev+0x102/0x170 [16774.788307][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16774.788307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16774.788307][ T7704] netlink_rcv_skb+0x130/0x360 [16774.788307][ T7704] netlink_unicast+0x449/0x710 [16774.788307][ T7704] netlink_sendmsg+0x723/0xbe0 [16774.788307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16774.788307][ T7704] ___sys_sendmsg+0xee/0x170 [16774.788307][ T7704] __sys_sendmsg+0xcd/0x170 [16774.788307][ T7704] do_syscall_64+0xc6/0x1e0 [16774.788307][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16774.788307][ T7704] [16774.790089][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16774.790089][ T7704] neigh_parms_alloc+0x1e5/0x510 [16774.790089][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16774.790089][ T7704] ipv6_find_idev+0x102/0x170 [16774.790089][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16774.790089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16774.790089][ T7704] netlink_rcv_skb+0x130/0x360 [16774.790089][ T7704] netlink_unicast+0x449/0x710 [16774.790089][ T7704] netlink_sendmsg+0x723/0xbe0 [16774.790089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16774.790089][ T7704] ___sys_sendmsg+0xee/0x170 [16774.790089][ T7704] __sys_sendmsg+0xcd/0x170 [16774.790089][ T7704] do_syscall_64+0xc6/0x1e0 [16774.790089][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16774.790089][ T7704] [16784.884814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16784.885399][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16784.885399][ T7704] netdev_get_by_index+0x5e/0x80 [16784.885399][ T7704] fib6_nh_init+0x3d8/0x15b0 [16784.885399][ T7704] ip6_route_info_create+0xf18/0x17d0 [16784.885399][ T7704] ip6_route_add+0x1c/0x140 [16784.885399][ T7704] addrconf_prefix_route+0x2a6/0x430 [16784.885399][ T7704] inet6_addr_add+0x4f8/0xa40 [16784.885399][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16784.885399][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16784.885399][ T7704] netlink_rcv_skb+0x130/0x360 [16784.885399][ T7704] netlink_unicast+0x449/0x710 [16784.885399][ T7704] netlink_sendmsg+0x723/0xbe0 [16784.885399][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16784.885399][ T7704] ___sys_sendmsg+0xee/0x170 [16784.885399][ T7704] __sys_sendmsg+0xcd/0x170 [16784.885399][ T7704] do_syscall_64+0xc6/0x1e0 [16784.885399][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16784.885399][ T7704] [16784.887621][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16784.887621][ T7704] netdev_get_by_index+0x5e/0x80 [16784.887621][ T7704] fib6_nh_init+0x3d8/0x15b0 [16784.887621][ T7704] ip6_route_info_create+0xf18/0x17d0 [16784.887621][ T7704] addrconf_f6i_alloc+0x315/0x560 [16784.887621][ T7704] ipv6_add_addr+0x411/0x2000 [16784.887621][ T7704] inet6_addr_add+0x30e/0xa40 [16784.887621][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16784.887621][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16784.887621][ T7704] netlink_rcv_skb+0x130/0x360 [16784.887621][ T7704] netlink_unicast+0x449/0x710 [16784.887621][ T7704] netlink_sendmsg+0x723/0xbe0 [16784.887621][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16784.887621][ T7704] ___sys_sendmsg+0xee/0x170 [16784.887621][ T7704] __sys_sendmsg+0xcd/0x170 [16784.887621][ T7704] do_syscall_64+0xc6/0x1e0 [16784.887621][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16784.887621][ T7704] [16784.889782][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16784.889782][ T7704] netdev_get_by_index+0x5e/0x80 [16784.889782][ T7704] fib6_nh_init+0x3d8/0x15b0 [16784.889782][ T7704] ip6_route_info_create+0xf18/0x17d0 [16784.889782][ T7704] ip6_route_add+0x1c/0x140 [16784.889782][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16784.889782][ T7704] addrconf_add_dev+0xe2/0x170 [16784.889782][ T7704] inet6_addr_add+0x12f/0xa40 [16784.889782][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16784.889782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16784.889782][ T7704] netlink_rcv_skb+0x130/0x360 [16784.889782][ T7704] netlink_unicast+0x449/0x710 [16784.889782][ T7704] netlink_sendmsg+0x723/0xbe0 [16784.889782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16784.889782][ T7704] ___sys_sendmsg+0xee/0x170 [16784.889782][ T7704] __sys_sendmsg+0xcd/0x170 [16784.889782][ T7704] do_syscall_64+0xc6/0x1e0 [16784.889782][ T7704] [16784.891904][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16784.891904][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16784.891904][ T7704] ipv6_find_idev+0x102/0x170 [16784.891904][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16784.891904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16784.891904][ T7704] netlink_rcv_skb+0x130/0x360 [16784.891904][ T7704] netlink_unicast+0x449/0x710 [16784.891904][ T7704] netlink_sendmsg+0x723/0xbe0 [16784.891904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16784.891904][ T7704] ___sys_sendmsg+0xee/0x170 [16784.891904][ T7704] __sys_sendmsg+0xcd/0x170 [16784.891904][ T7704] do_syscall_64+0xc6/0x1e0 [16784.891904][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16784.891904][ T7704] [16784.893598][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16784.893598][ T7704] neigh_parms_alloc+0x1e5/0x510 [16784.893598][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16784.893598][ T7704] ipv6_find_idev+0x102/0x170 [16784.893598][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16784.893598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16784.893598][ T7704] netlink_rcv_skb+0x130/0x360 [16784.893598][ T7704] netlink_unicast+0x449/0x710 [16784.893598][ T7704] netlink_sendmsg+0x723/0xbe0 [16784.893598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16784.893598][ T7704] ___sys_sendmsg+0xee/0x170 [16784.893598][ T7704] __sys_sendmsg+0xcd/0x170 [16784.893598][ T7704] do_syscall_64+0xc6/0x1e0 [16784.893598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16784.893598][ T7704] [16795.148823][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16795.149398][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16795.149398][ T7704] netdev_get_by_index+0x5e/0x80 [16795.149398][ T7704] fib6_nh_init+0x3d8/0x15b0 [16795.149398][ T7704] ip6_route_info_create+0xf18/0x17d0 [16795.149398][ T7704] ip6_route_add+0x1c/0x140 [16795.149398][ T7704] addrconf_prefix_route+0x2a6/0x430 [16795.149398][ T7704] inet6_addr_add+0x4f8/0xa40 [16795.149398][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16795.149398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16795.149398][ T7704] netlink_rcv_skb+0x130/0x360 [16795.149398][ T7704] netlink_unicast+0x449/0x710 [16795.149398][ T7704] netlink_sendmsg+0x723/0xbe0 [16795.149398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16795.149398][ T7704] ___sys_sendmsg+0xee/0x170 [16795.149398][ T7704] __sys_sendmsg+0xcd/0x170 [16795.149398][ T7704] do_syscall_64+0xc6/0x1e0 [16795.149398][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16795.149398][ T7704] [16795.151756][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16795.151756][ T7704] netdev_get_by_index+0x5e/0x80 [16795.151756][ T7704] fib6_nh_init+0x3d8/0x15b0 [16795.151756][ T7704] ip6_route_info_create+0xf18/0x17d0 [16795.151756][ T7704] addrconf_f6i_alloc+0x315/0x560 [16795.151756][ T7704] ipv6_add_addr+0x411/0x2000 [16795.151756][ T7704] inet6_addr_add+0x30e/0xa40 [16795.151756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16795.151756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16795.151756][ T7704] netlink_rcv_skb+0x130/0x360 [16795.151756][ T7704] netlink_unicast+0x449/0x710 [16795.151756][ T7704] netlink_sendmsg+0x723/0xbe0 [16795.151756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16795.151756][ T7704] ___sys_sendmsg+0xee/0x170 [16795.151756][ T7704] __sys_sendmsg+0xcd/0x170 [16795.151756][ T7704] do_syscall_64+0xc6/0x1e0 [16795.151756][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16795.151756][ T7704] [16795.154088][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16795.154088][ T7704] netdev_get_by_index+0x5e/0x80 [16795.154088][ T7704] fib6_nh_init+0x3d8/0x15b0 [16795.154088][ T7704] ip6_route_info_create+0xf18/0x17d0 [16795.154088][ T7704] ip6_route_add+0x1c/0x140 [16795.154088][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16795.154088][ T7704] addrconf_add_dev+0xe2/0x170 [16795.154088][ T7704] inet6_addr_add+0x12f/0xa40 [16795.154088][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16795.154088][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16795.154088][ T7704] netlink_rcv_skb+0x130/0x360 [16795.154088][ T7704] netlink_unicast+0x449/0x710 [16795.154088][ T7704] netlink_sendmsg+0x723/0xbe0 [16795.154088][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16795.154088][ T7704] ___sys_sendmsg+0xee/0x170 [16795.154088][ T7704] __sys_sendmsg+0xcd/0x170 [16795.154088][ T7704] do_syscall_64+0xc6/0x1e0 [16795.154088][ T7704] [16795.156298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16795.156298][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16795.156298][ T7704] ipv6_find_idev+0x102/0x170 [16795.156298][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16795.156298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16795.156298][ T7704] netlink_rcv_skb+0x130/0x360 [16795.156298][ T7704] netlink_unicast+0x449/0x710 [16795.156298][ T7704] netlink_sendmsg+0x723/0xbe0 [16795.156298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16795.156298][ T7704] ___sys_sendmsg+0xee/0x170 [16795.156298][ T7704] __sys_sendmsg+0xcd/0x170 [16795.156298][ T7704] do_syscall_64+0xc6/0x1e0 [16795.156298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16795.156298][ T7704] [16795.158068][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16795.158068][ T7704] neigh_parms_alloc+0x1e5/0x510 [16795.158068][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16795.158068][ T7704] ipv6_find_idev+0x102/0x170 [16795.158068][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16795.158068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16795.158068][ T7704] netlink_rcv_skb+0x130/0x360 [16795.158068][ T7704] netlink_unicast+0x449/0x710 [16795.158068][ T7704] netlink_sendmsg+0x723/0xbe0 [16795.158068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16795.158068][ T7704] ___sys_sendmsg+0xee/0x170 [16795.158068][ T7704] __sys_sendmsg+0xcd/0x170 [16795.158068][ T7704] do_syscall_64+0xc6/0x1e0 [16795.158068][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16795.158068][ T7704] [16805.412871][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16805.413941][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16805.413941][ T7704] netdev_get_by_index+0x5e/0x80 [16805.413941][ T7704] fib6_nh_init+0x3d8/0x15b0 [16805.413941][ T7704] ip6_route_info_create+0xf18/0x17d0 [16805.413941][ T7704] ip6_route_add+0x1c/0x140 [16805.413941][ T7704] addrconf_prefix_route+0x2a6/0x430 [16805.413941][ T7704] inet6_addr_add+0x4f8/0xa40 [16805.413941][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16805.413941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16805.413941][ T7704] netlink_rcv_skb+0x130/0x360 [16805.413941][ T7704] netlink_unicast+0x449/0x710 [16805.413941][ T7704] netlink_sendmsg+0x723/0xbe0 [16805.413941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16805.413941][ T7704] ___sys_sendmsg+0xee/0x170 [16805.413941][ T7704] __sys_sendmsg+0xcd/0x170 [16805.413941][ T7704] do_syscall_64+0xc6/0x1e0 [16805.413941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16805.413941][ T7704] [16805.416173][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16805.416173][ T7704] netdev_get_by_index+0x5e/0x80 [16805.416173][ T7704] fib6_nh_init+0x3d8/0x15b0 [16805.416173][ T7704] ip6_route_info_create+0xf18/0x17d0 [16805.416173][ T7704] addrconf_f6i_alloc+0x315/0x560 [16805.416173][ T7704] ipv6_add_addr+0x411/0x2000 [16805.416173][ T7704] inet6_addr_add+0x30e/0xa40 [16805.416173][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16805.416173][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16805.416173][ T7704] netlink_rcv_skb+0x130/0x360 [16805.416173][ T7704] netlink_unicast+0x449/0x710 [16805.416173][ T7704] netlink_sendmsg+0x723/0xbe0 [16805.416173][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16805.416173][ T7704] ___sys_sendmsg+0xee/0x170 [16805.416173][ T7704] __sys_sendmsg+0xcd/0x170 [16805.416173][ T7704] do_syscall_64+0xc6/0x1e0 [16805.416173][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16805.416173][ T7704] [16805.418364][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16805.418364][ T7704] netdev_get_by_index+0x5e/0x80 [16805.418364][ T7704] fib6_nh_init+0x3d8/0x15b0 [16805.418364][ T7704] ip6_route_info_create+0xf18/0x17d0 [16805.418364][ T7704] ip6_route_add+0x1c/0x140 [16805.418364][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16805.418364][ T7704] addrconf_add_dev+0xe2/0x170 [16805.418364][ T7704] inet6_addr_add+0x12f/0xa40 [16805.418364][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16805.418364][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16805.418364][ T7704] netlink_rcv_skb+0x130/0x360 [16805.418364][ T7704] netlink_unicast+0x449/0x710 [16805.418364][ T7704] netlink_sendmsg+0x723/0xbe0 [16805.418364][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16805.418364][ T7704] ___sys_sendmsg+0xee/0x170 [16805.418364][ T7704] __sys_sendmsg+0xcd/0x170 [16805.418364][ T7704] do_syscall_64+0xc6/0x1e0 [16805.418364][ T7704] [16805.420476][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16805.420476][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16805.420476][ T7704] ipv6_find_idev+0x102/0x170 [16805.420476][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16805.420476][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16805.420476][ T7704] netlink_rcv_skb+0x130/0x360 [16805.420476][ T7704] netlink_unicast+0x449/0x710 [16805.420476][ T7704] netlink_sendmsg+0x723/0xbe0 [16805.420476][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16805.420476][ T7704] ___sys_sendmsg+0xee/0x170 [16805.420476][ T7704] __sys_sendmsg+0xcd/0x170 [16805.420476][ T7704] do_syscall_64+0xc6/0x1e0 [16805.420476][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16805.420476][ T7704] [16805.422129][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16805.422129][ T7704] neigh_parms_alloc+0x1e5/0x510 [16805.422129][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16805.422129][ T7704] ipv6_find_idev+0x102/0x170 [16805.422129][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16805.422129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16805.422129][ T7704] netlink_rcv_skb+0x130/0x360 [16805.422129][ T7704] netlink_unicast+0x449/0x710 [16805.422129][ T7704] netlink_sendmsg+0x723/0xbe0 [16805.422129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16805.422129][ T7704] ___sys_sendmsg+0xee/0x170 [16805.422129][ T7704] __sys_sendmsg+0xcd/0x170 [16805.422129][ T7704] do_syscall_64+0xc6/0x1e0 [16805.422129][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16805.422129][ T7704] [16815.676889][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16815.677933][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16815.677933][ T7704] netdev_get_by_index+0x5e/0x80 [16815.677933][ T7704] fib6_nh_init+0x3d8/0x15b0 [16815.677933][ T7704] ip6_route_info_create+0xf18/0x17d0 [16815.677933][ T7704] ip6_route_add+0x1c/0x140 [16815.677933][ T7704] addrconf_prefix_route+0x2a6/0x430 [16815.677933][ T7704] inet6_addr_add+0x4f8/0xa40 [16815.677933][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16815.677933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16815.677933][ T7704] netlink_rcv_skb+0x130/0x360 [16815.677933][ T7704] netlink_unicast+0x449/0x710 [16815.677933][ T7704] netlink_sendmsg+0x723/0xbe0 [16815.677933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16815.677933][ T7704] ___sys_sendmsg+0xee/0x170 [16815.677933][ T7704] __sys_sendmsg+0xcd/0x170 [16815.677933][ T7704] do_syscall_64+0xc6/0x1e0 [16815.677933][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16815.677933][ T7704] [16815.680262][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16815.680262][ T7704] netdev_get_by_index+0x5e/0x80 [16815.680262][ T7704] fib6_nh_init+0x3d8/0x15b0 [16815.680262][ T7704] ip6_route_info_create+0xf18/0x17d0 [16815.680262][ T7704] addrconf_f6i_alloc+0x315/0x560 [16815.680262][ T7704] ipv6_add_addr+0x411/0x2000 [16815.680262][ T7704] inet6_addr_add+0x30e/0xa40 [16815.680262][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16815.680262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16815.680262][ T7704] netlink_rcv_skb+0x130/0x360 [16815.680262][ T7704] netlink_unicast+0x449/0x710 [16815.680262][ T7704] netlink_sendmsg+0x723/0xbe0 [16815.680262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16815.680262][ T7704] ___sys_sendmsg+0xee/0x170 [16815.680262][ T7704] __sys_sendmsg+0xcd/0x170 [16815.680262][ T7704] do_syscall_64+0xc6/0x1e0 [16815.680262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16815.680262][ T7704] [16815.682521][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16815.682521][ T7704] netdev_get_by_index+0x5e/0x80 [16815.682521][ T7704] fib6_nh_init+0x3d8/0x15b0 [16815.682521][ T7704] ip6_route_info_create+0xf18/0x17d0 [16815.682521][ T7704] ip6_route_add+0x1c/0x140 [16815.682521][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16815.682521][ T7704] addrconf_add_dev+0xe2/0x170 [16815.682521][ T7704] inet6_addr_add+0x12f/0xa40 [16815.682521][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16815.682521][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16815.682521][ T7704] netlink_rcv_skb+0x130/0x360 [16815.682521][ T7704] netlink_unicast+0x449/0x710 [16815.682521][ T7704] netlink_sendmsg+0x723/0xbe0 [16815.682521][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16815.682521][ T7704] ___sys_sendmsg+0xee/0x170 [16815.682521][ T7704] __sys_sendmsg+0xcd/0x170 [16815.682521][ T7704] do_syscall_64+0xc6/0x1e0 [16815.682521][ T7704] [16815.684817][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16815.684817][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16815.684817][ T7704] ipv6_find_idev+0x102/0x170 [16815.684817][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16815.684817][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16815.684817][ T7704] netlink_rcv_skb+0x130/0x360 [16815.684817][ T7704] netlink_unicast+0x449/0x710 [16815.684817][ T7704] netlink_sendmsg+0x723/0xbe0 [16815.684817][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16815.684817][ T7704] ___sys_sendmsg+0xee/0x170 [16815.684817][ T7704] __sys_sendmsg+0xcd/0x170 [16815.684817][ T7704] do_syscall_64+0xc6/0x1e0 [16815.684817][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16815.684817][ T7704] [16815.686720][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16815.686720][ T7704] neigh_parms_alloc+0x1e5/0x510 [16815.686720][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16815.686720][ T7704] ipv6_find_idev+0x102/0x170 [16815.686720][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16815.686720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16815.686720][ T7704] netlink_rcv_skb+0x130/0x360 [16815.686720][ T7704] netlink_unicast+0x449/0x710 [16815.686720][ T7704] netlink_sendmsg+0x723/0xbe0 [16815.686720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16815.686720][ T7704] ___sys_sendmsg+0xee/0x170 [16815.686720][ T7704] __sys_sendmsg+0xcd/0x170 [16815.686720][ T7704] do_syscall_64+0xc6/0x1e0 [16815.686720][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16815.686720][ T7704] [16825.852867][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16825.853948][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16825.853948][ T7704] netdev_get_by_index+0x5e/0x80 [16825.853948][ T7704] fib6_nh_init+0x3d8/0x15b0 [16825.853948][ T7704] ip6_route_info_create+0xf18/0x17d0 [16825.853948][ T7704] ip6_route_add+0x1c/0x140 [16825.853948][ T7704] addrconf_prefix_route+0x2a6/0x430 [16825.853948][ T7704] inet6_addr_add+0x4f8/0xa40 [16825.853948][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16825.853948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16825.853948][ T7704] netlink_rcv_skb+0x130/0x360 [16825.853948][ T7704] netlink_unicast+0x449/0x710 [16825.853948][ T7704] netlink_sendmsg+0x723/0xbe0 [16825.853948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16825.853948][ T7704] ___sys_sendmsg+0xee/0x170 [16825.853948][ T7704] __sys_sendmsg+0xcd/0x170 [16825.853948][ T7704] do_syscall_64+0xc6/0x1e0 [16825.853948][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16825.853948][ T7704] [16825.856309][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16825.856309][ T7704] netdev_get_by_index+0x5e/0x80 [16825.856309][ T7704] fib6_nh_init+0x3d8/0x15b0 [16825.856309][ T7704] ip6_route_info_create+0xf18/0x17d0 [16825.856309][ T7704] addrconf_f6i_alloc+0x315/0x560 [16825.856309][ T7704] ipv6_add_addr+0x411/0x2000 [16825.856309][ T7704] inet6_addr_add+0x30e/0xa40 [16825.856309][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16825.856309][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16825.856309][ T7704] netlink_rcv_skb+0x130/0x360 [16825.856309][ T7704] netlink_unicast+0x449/0x710 [16825.856309][ T7704] netlink_sendmsg+0x723/0xbe0 [16825.856309][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16825.856309][ T7704] ___sys_sendmsg+0xee/0x170 [16825.856309][ T7704] __sys_sendmsg+0xcd/0x170 [16825.856309][ T7704] do_syscall_64+0xc6/0x1e0 [16825.856309][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16825.856309][ T7704] [16825.858566][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16825.858566][ T7704] netdev_get_by_index+0x5e/0x80 [16825.858566][ T7704] fib6_nh_init+0x3d8/0x15b0 [16825.858566][ T7704] ip6_route_info_create+0xf18/0x17d0 [16825.858566][ T7704] ip6_route_add+0x1c/0x140 [16825.858566][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16825.858566][ T7704] addrconf_add_dev+0xe2/0x170 [16825.858566][ T7704] inet6_addr_add+0x12f/0xa40 [16825.858566][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16825.858566][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16825.858566][ T7704] netlink_rcv_skb+0x130/0x360 [16825.858566][ T7704] netlink_unicast+0x449/0x710 [16825.858566][ T7704] netlink_sendmsg+0x723/0xbe0 [16825.858566][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16825.858566][ T7704] ___sys_sendmsg+0xee/0x170 [16825.858566][ T7704] __sys_sendmsg+0xcd/0x170 [16825.858566][ T7704] do_syscall_64+0xc6/0x1e0 [16825.858566][ T7704] [16825.861338][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16825.861338][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16825.861338][ T7704] ipv6_find_idev+0x102/0x170 [16825.861338][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16825.861338][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16825.861338][ T7704] netlink_rcv_skb+0x130/0x360 [16825.861338][ T7704] netlink_unicast+0x449/0x710 [16825.861338][ T7704] netlink_sendmsg+0x723/0xbe0 [16825.861338][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16825.861338][ T7704] ___sys_sendmsg+0xee/0x170 [16825.861338][ T7704] __sys_sendmsg+0xcd/0x170 [16825.861338][ T7704] do_syscall_64+0xc6/0x1e0 [16825.861338][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16825.861338][ T7704] [16825.863162][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16825.863162][ T7704] neigh_parms_alloc+0x1e5/0x510 [16825.863162][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16825.863162][ T7704] ipv6_find_idev+0x102/0x170 [16825.863162][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16825.863162][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16825.863162][ T7704] netlink_rcv_skb+0x130/0x360 [16825.863162][ T7704] netlink_unicast+0x449/0x710 [16825.863162][ T7704] netlink_sendmsg+0x723/0xbe0 [16825.863162][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16825.863162][ T7704] ___sys_sendmsg+0xee/0x170 [16825.863162][ T7704] __sys_sendmsg+0xcd/0x170 [16825.863162][ T7704] do_syscall_64+0xc6/0x1e0 [16825.863162][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16825.863162][ T7704] [16836.100891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16836.101438][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16836.101438][ T7704] netdev_get_by_index+0x5e/0x80 [16836.101438][ T7704] fib6_nh_init+0x3d8/0x15b0 [16836.101438][ T7704] ip6_route_info_create+0xf18/0x17d0 [16836.101438][ T7704] ip6_route_add+0x1c/0x140 [16836.101438][ T7704] addrconf_prefix_route+0x2a6/0x430 [16836.101438][ T7704] inet6_addr_add+0x4f8/0xa40 [16836.101438][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16836.101438][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16836.101438][ T7704] netlink_rcv_skb+0x130/0x360 [16836.101438][ T7704] netlink_unicast+0x449/0x710 [16836.101438][ T7704] netlink_sendmsg+0x723/0xbe0 [16836.101438][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16836.101438][ T7704] ___sys_sendmsg+0xee/0x170 [16836.101438][ T7704] __sys_sendmsg+0xcd/0x170 [16836.101438][ T7704] do_syscall_64+0xc6/0x1e0 [16836.101438][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16836.101438][ T7704] [16836.103784][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16836.103784][ T7704] netdev_get_by_index+0x5e/0x80 [16836.103784][ T7704] fib6_nh_init+0x3d8/0x15b0 [16836.103784][ T7704] ip6_route_info_create+0xf18/0x17d0 [16836.103784][ T7704] addrconf_f6i_alloc+0x315/0x560 [16836.103784][ T7704] ipv6_add_addr+0x411/0x2000 [16836.103784][ T7704] inet6_addr_add+0x30e/0xa40 [16836.103784][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16836.103784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16836.103784][ T7704] netlink_rcv_skb+0x130/0x360 [16836.103784][ T7704] netlink_unicast+0x449/0x710 [16836.103784][ T7704] netlink_sendmsg+0x723/0xbe0 [16836.103784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16836.103784][ T7704] ___sys_sendmsg+0xee/0x170 [16836.103784][ T7704] __sys_sendmsg+0xcd/0x170 [16836.103784][ T7704] do_syscall_64+0xc6/0x1e0 [16836.103784][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16836.103784][ T7704] [16836.106049][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16836.106049][ T7704] netdev_get_by_index+0x5e/0x80 [16836.106049][ T7704] fib6_nh_init+0x3d8/0x15b0 [16836.106049][ T7704] ip6_route_info_create+0xf18/0x17d0 [16836.106049][ T7704] ip6_route_add+0x1c/0x140 [16836.106049][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16836.106049][ T7704] addrconf_add_dev+0xe2/0x170 [16836.106049][ T7704] inet6_addr_add+0x12f/0xa40 [16836.106049][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16836.106049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16836.106049][ T7704] netlink_rcv_skb+0x130/0x360 [16836.106049][ T7704] netlink_unicast+0x449/0x710 [16836.106049][ T7704] netlink_sendmsg+0x723/0xbe0 [16836.106049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16836.106049][ T7704] ___sys_sendmsg+0xee/0x170 [16836.106049][ T7704] __sys_sendmsg+0xcd/0x170 [16836.106049][ T7704] do_syscall_64+0xc6/0x1e0 [16836.106049][ T7704] [16836.108268][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16836.108268][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16836.108268][ T7704] ipv6_find_idev+0x102/0x170 [16836.108268][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16836.108268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16836.108268][ T7704] netlink_rcv_skb+0x130/0x360 [16836.108268][ T7704] netlink_unicast+0x449/0x710 [16836.108268][ T7704] netlink_sendmsg+0x723/0xbe0 [16836.108268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16836.108268][ T7704] ___sys_sendmsg+0xee/0x170 [16836.108268][ T7704] __sys_sendmsg+0xcd/0x170 [16836.108268][ T7704] do_syscall_64+0xc6/0x1e0 [16836.108268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16836.108268][ T7704] [16836.110005][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16836.110005][ T7704] neigh_parms_alloc+0x1e5/0x510 [16836.110005][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16836.110005][ T7704] ipv6_find_idev+0x102/0x170 [16836.110005][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16836.110005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16836.110005][ T7704] netlink_rcv_skb+0x130/0x360 [16836.110005][ T7704] netlink_unicast+0x449/0x710 [16836.110005][ T7704] netlink_sendmsg+0x723/0xbe0 [16836.110005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16836.110005][ T7704] ___sys_sendmsg+0xee/0x170 [16836.110005][ T7704] __sys_sendmsg+0xcd/0x170 [16836.110005][ T7704] do_syscall_64+0xc6/0x1e0 [16836.110005][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16836.110005][ T7704] [16846.236902][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16846.238040][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16846.238040][ T7704] netdev_get_by_index+0x5e/0x80 [16846.238040][ T7704] fib6_nh_init+0x3d8/0x15b0 [16846.238040][ T7704] ip6_route_info_create+0xf18/0x17d0 [16846.238040][ T7704] ip6_route_add+0x1c/0x140 [16846.238040][ T7704] addrconf_prefix_route+0x2a6/0x430 [16846.238040][ T7704] inet6_addr_add+0x4f8/0xa40 [16846.238040][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16846.238040][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16846.238040][ T7704] netlink_rcv_skb+0x130/0x360 [16846.238040][ T7704] netlink_unicast+0x449/0x710 [16846.238040][ T7704] netlink_sendmsg+0x723/0xbe0 [16846.238040][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16846.238040][ T7704] ___sys_sendmsg+0xee/0x170 [16846.238040][ T7704] __sys_sendmsg+0xcd/0x170 [16846.238040][ T7704] do_syscall_64+0xc6/0x1e0 [16846.238040][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16846.238040][ T7704] [16846.240250][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16846.240250][ T7704] netdev_get_by_index+0x5e/0x80 [16846.240250][ T7704] fib6_nh_init+0x3d8/0x15b0 [16846.240250][ T7704] ip6_route_info_create+0xf18/0x17d0 [16846.240250][ T7704] addrconf_f6i_alloc+0x315/0x560 [16846.240250][ T7704] ipv6_add_addr+0x411/0x2000 [16846.240250][ T7704] inet6_addr_add+0x30e/0xa40 [16846.240250][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16846.240250][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16846.240250][ T7704] netlink_rcv_skb+0x130/0x360 [16846.240250][ T7704] netlink_unicast+0x449/0x710 [16846.240250][ T7704] netlink_sendmsg+0x723/0xbe0 [16846.240250][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16846.240250][ T7704] ___sys_sendmsg+0xee/0x170 [16846.240250][ T7704] __sys_sendmsg+0xcd/0x170 [16846.240250][ T7704] do_syscall_64+0xc6/0x1e0 [16846.240250][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16846.240250][ T7704] [16846.242440][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16846.242440][ T7704] netdev_get_by_index+0x5e/0x80 [16846.242440][ T7704] fib6_nh_init+0x3d8/0x15b0 [16846.242440][ T7704] ip6_route_info_create+0xf18/0x17d0 [16846.242440][ T7704] ip6_route_add+0x1c/0x140 [16846.242440][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16846.242440][ T7704] addrconf_add_dev+0xe2/0x170 [16846.242440][ T7704] inet6_addr_add+0x12f/0xa40 [16846.242440][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16846.242440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16846.242440][ T7704] netlink_rcv_skb+0x130/0x360 [16846.242440][ T7704] netlink_unicast+0x449/0x710 [16846.242440][ T7704] netlink_sendmsg+0x723/0xbe0 [16846.242440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16846.242440][ T7704] ___sys_sendmsg+0xee/0x170 [16846.242440][ T7704] __sys_sendmsg+0xcd/0x170 [16846.242440][ T7704] do_syscall_64+0xc6/0x1e0 [16846.242440][ T7704] [16846.244645][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16846.244645][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16846.244645][ T7704] ipv6_find_idev+0x102/0x170 [16846.244645][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16846.244645][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16846.244645][ T7704] netlink_rcv_skb+0x130/0x360 [16846.244645][ T7704] netlink_unicast+0x449/0x710 [16846.244645][ T7704] netlink_sendmsg+0x723/0xbe0 [16846.244645][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16846.244645][ T7704] ___sys_sendmsg+0xee/0x170 [16846.244645][ T7704] __sys_sendmsg+0xcd/0x170 [16846.244645][ T7704] do_syscall_64+0xc6/0x1e0 [16846.244645][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16846.244645][ T7704] [16846.246352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16846.246352][ T7704] neigh_parms_alloc+0x1e5/0x510 [16846.246352][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16846.246352][ T7704] ipv6_find_idev+0x102/0x170 [16846.246352][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16846.246352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16846.246352][ T7704] netlink_rcv_skb+0x130/0x360 [16846.246352][ T7704] netlink_unicast+0x449/0x710 [16846.246352][ T7704] netlink_sendmsg+0x723/0xbe0 [16846.246352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16846.246352][ T7704] ___sys_sendmsg+0xee/0x170 [16846.246352][ T7704] __sys_sendmsg+0xcd/0x170 [16846.246352][ T7704] do_syscall_64+0xc6/0x1e0 [16846.246352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16846.246352][ T7704] [16856.484879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16856.485580][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16856.485580][ T7704] netdev_get_by_index+0x5e/0x80 [16856.485580][ T7704] fib6_nh_init+0x3d8/0x15b0 [16856.485580][ T7704] ip6_route_info_create+0xf18/0x17d0 [16856.485580][ T7704] ip6_route_add+0x1c/0x140 [16856.485580][ T7704] addrconf_prefix_route+0x2a6/0x430 [16856.485580][ T7704] inet6_addr_add+0x4f8/0xa40 [16856.485580][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16856.485580][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16856.485580][ T7704] netlink_rcv_skb+0x130/0x360 [16856.485580][ T7704] netlink_unicast+0x449/0x710 [16856.485580][ T7704] netlink_sendmsg+0x723/0xbe0 [16856.485580][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16856.485580][ T7704] ___sys_sendmsg+0xee/0x170 [16856.485580][ T7704] __sys_sendmsg+0xcd/0x170 [16856.485580][ T7704] do_syscall_64+0xc6/0x1e0 [16856.485580][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16856.485580][ T7704] [16856.487887][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16856.487887][ T7704] netdev_get_by_index+0x5e/0x80 [16856.487887][ T7704] fib6_nh_init+0x3d8/0x15b0 [16856.487887][ T7704] ip6_route_info_create+0xf18/0x17d0 [16856.487887][ T7704] addrconf_f6i_alloc+0x315/0x560 [16856.487887][ T7704] ipv6_add_addr+0x411/0x2000 [16856.487887][ T7704] inet6_addr_add+0x30e/0xa40 [16856.487887][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16856.487887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16856.487887][ T7704] netlink_rcv_skb+0x130/0x360 [16856.487887][ T7704] netlink_unicast+0x449/0x710 [16856.487887][ T7704] netlink_sendmsg+0x723/0xbe0 [16856.487887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16856.487887][ T7704] ___sys_sendmsg+0xee/0x170 [16856.487887][ T7704] __sys_sendmsg+0xcd/0x170 [16856.487887][ T7704] do_syscall_64+0xc6/0x1e0 [16856.487887][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16856.487887][ T7704] [16856.490163][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16856.490163][ T7704] netdev_get_by_index+0x5e/0x80 [16856.490163][ T7704] fib6_nh_init+0x3d8/0x15b0 [16856.490163][ T7704] ip6_route_info_create+0xf18/0x17d0 [16856.490163][ T7704] ip6_route_add+0x1c/0x140 [16856.490163][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16856.490163][ T7704] addrconf_add_dev+0xe2/0x170 [16856.490163][ T7704] inet6_addr_add+0x12f/0xa40 [16856.490163][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16856.490163][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16856.490163][ T7704] netlink_rcv_skb+0x130/0x360 [16856.490163][ T7704] netlink_unicast+0x449/0x710 [16856.490163][ T7704] netlink_sendmsg+0x723/0xbe0 [16856.490163][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16856.490163][ T7704] ___sys_sendmsg+0xee/0x170 [16856.490163][ T7704] __sys_sendmsg+0xcd/0x170 [16856.490163][ T7704] do_syscall_64+0xc6/0x1e0 [16856.490163][ T7704] [16856.492394][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16856.492394][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16856.492394][ T7704] ipv6_find_idev+0x102/0x170 [16856.492394][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16856.492394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16856.492394][ T7704] netlink_rcv_skb+0x130/0x360 [16856.492394][ T7704] netlink_unicast+0x449/0x710 [16856.492394][ T7704] netlink_sendmsg+0x723/0xbe0 [16856.492394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16856.492394][ T7704] ___sys_sendmsg+0xee/0x170 [16856.492394][ T7704] __sys_sendmsg+0xcd/0x170 [16856.492394][ T7704] do_syscall_64+0xc6/0x1e0 [16856.492394][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16856.492394][ T7704] [16856.494159][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16856.494159][ T7704] neigh_parms_alloc+0x1e5/0x510 [16856.494159][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16856.494159][ T7704] ipv6_find_idev+0x102/0x170 [16856.494159][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16856.494159][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16856.494159][ T7704] netlink_rcv_skb+0x130/0x360 [16856.494159][ T7704] netlink_unicast+0x449/0x710 [16856.494159][ T7704] netlink_sendmsg+0x723/0xbe0 [16856.494159][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16856.494159][ T7704] ___sys_sendmsg+0xee/0x170 [16856.494159][ T7704] __sys_sendmsg+0xcd/0x170 [16856.494159][ T7704] do_syscall_64+0xc6/0x1e0 [16856.494159][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16856.494159][ T7704] [16866.732872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16866.734050][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16866.734050][ T7704] netdev_get_by_index+0x5e/0x80 [16866.734050][ T7704] fib6_nh_init+0x3d8/0x15b0 [16866.734050][ T7704] ip6_route_info_create+0xf18/0x17d0 [16866.734050][ T7704] ip6_route_add+0x1c/0x140 [16866.734050][ T7704] addrconf_prefix_route+0x2a6/0x430 [16866.734050][ T7704] inet6_addr_add+0x4f8/0xa40 [16866.734050][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16866.734050][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16866.734050][ T7704] netlink_rcv_skb+0x130/0x360 [16866.734050][ T7704] netlink_unicast+0x449/0x710 [16866.734050][ T7704] netlink_sendmsg+0x723/0xbe0 [16866.734050][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16866.734050][ T7704] ___sys_sendmsg+0xee/0x170 [16866.734050][ T7704] __sys_sendmsg+0xcd/0x170 [16866.734050][ T7704] do_syscall_64+0xc6/0x1e0 [16866.734050][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16866.734050][ T7704] [16866.736285][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16866.736285][ T7704] netdev_get_by_index+0x5e/0x80 [16866.736285][ T7704] fib6_nh_init+0x3d8/0x15b0 [16866.736285][ T7704] ip6_route_info_create+0xf18/0x17d0 [16866.736285][ T7704] addrconf_f6i_alloc+0x315/0x560 [16866.736285][ T7704] ipv6_add_addr+0x411/0x2000 [16866.736285][ T7704] inet6_addr_add+0x30e/0xa40 [16866.736285][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16866.736285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16866.736285][ T7704] netlink_rcv_skb+0x130/0x360 [16866.736285][ T7704] netlink_unicast+0x449/0x710 [16866.736285][ T7704] netlink_sendmsg+0x723/0xbe0 [16866.736285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16866.736285][ T7704] ___sys_sendmsg+0xee/0x170 [16866.736285][ T7704] __sys_sendmsg+0xcd/0x170 [16866.736285][ T7704] do_syscall_64+0xc6/0x1e0 [16866.736285][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16866.736285][ T7704] [16866.738626][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16866.738626][ T7704] netdev_get_by_index+0x5e/0x80 [16866.738626][ T7704] fib6_nh_init+0x3d8/0x15b0 [16866.738626][ T7704] ip6_route_info_create+0xf18/0x17d0 [16866.738626][ T7704] ip6_route_add+0x1c/0x140 [16866.738626][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16866.738626][ T7704] addrconf_add_dev+0xe2/0x170 [16866.738626][ T7704] inet6_addr_add+0x12f/0xa40 [16866.738626][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16866.738626][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16866.738626][ T7704] netlink_rcv_skb+0x130/0x360 [16866.738626][ T7704] netlink_unicast+0x449/0x710 [16866.738626][ T7704] netlink_sendmsg+0x723/0xbe0 [16866.738626][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16866.738626][ T7704] ___sys_sendmsg+0xee/0x170 [16866.738626][ T7704] __sys_sendmsg+0xcd/0x170 [16866.738626][ T7704] do_syscall_64+0xc6/0x1e0 [16866.738626][ T7704] [16866.740776][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16866.740776][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16866.740776][ T7704] ipv6_find_idev+0x102/0x170 [16866.740776][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16866.740776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16866.740776][ T7704] netlink_rcv_skb+0x130/0x360 [16866.740776][ T7704] netlink_unicast+0x449/0x710 [16866.740776][ T7704] netlink_sendmsg+0x723/0xbe0 [16866.740776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16866.740776][ T7704] ___sys_sendmsg+0xee/0x170 [16866.740776][ T7704] __sys_sendmsg+0xcd/0x170 [16866.740776][ T7704] do_syscall_64+0xc6/0x1e0 [16866.740776][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16866.740776][ T7704] [16866.742454][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16866.742454][ T7704] neigh_parms_alloc+0x1e5/0x510 [16866.742454][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16866.742454][ T7704] ipv6_find_idev+0x102/0x170 [16866.742454][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16866.742454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16866.742454][ T7704] netlink_rcv_skb+0x130/0x360 [16866.742454][ T7704] netlink_unicast+0x449/0x710 [16866.742454][ T7704] netlink_sendmsg+0x723/0xbe0 [16866.742454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16866.742454][ T7704] ___sys_sendmsg+0xee/0x170 [16866.742454][ T7704] __sys_sendmsg+0xcd/0x170 [16866.742454][ T7704] do_syscall_64+0xc6/0x1e0 [16866.742454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16866.742454][ T7704] [16876.748895][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16876.750085][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16876.750085][ T7704] netdev_get_by_index+0x5e/0x80 [16876.750085][ T7704] fib6_nh_init+0x3d8/0x15b0 [16876.750085][ T7704] ip6_route_info_create+0xf18/0x17d0 [16876.750085][ T7704] ip6_route_add+0x1c/0x140 [16876.750085][ T7704] addrconf_prefix_route+0x2a6/0x430 [16876.750085][ T7704] inet6_addr_add+0x4f8/0xa40 [16876.750085][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16876.750085][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16876.750085][ T7704] netlink_rcv_skb+0x130/0x360 [16876.750085][ T7704] netlink_unicast+0x449/0x710 [16876.750085][ T7704] netlink_sendmsg+0x723/0xbe0 [16876.750085][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16876.750085][ T7704] ___sys_sendmsg+0xee/0x170 [16876.750085][ T7704] __sys_sendmsg+0xcd/0x170 [16876.750085][ T7704] do_syscall_64+0xc6/0x1e0 [16876.750085][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16876.750085][ T7704] [16876.752409][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16876.752409][ T7704] netdev_get_by_index+0x5e/0x80 [16876.752409][ T7704] fib6_nh_init+0x3d8/0x15b0 [16876.752409][ T7704] ip6_route_info_create+0xf18/0x17d0 [16876.752409][ T7704] addrconf_f6i_alloc+0x315/0x560 [16876.752409][ T7704] ipv6_add_addr+0x411/0x2000 [16876.752409][ T7704] inet6_addr_add+0x30e/0xa40 [16876.752409][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16876.752409][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16876.752409][ T7704] netlink_rcv_skb+0x130/0x360 [16876.752409][ T7704] netlink_unicast+0x449/0x710 [16876.752409][ T7704] netlink_sendmsg+0x723/0xbe0 [16876.752409][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16876.752409][ T7704] ___sys_sendmsg+0xee/0x170 [16876.752409][ T7704] __sys_sendmsg+0xcd/0x170 [16876.752409][ T7704] do_syscall_64+0xc6/0x1e0 [16876.752409][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16876.752409][ T7704] [16876.754674][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16876.754674][ T7704] netdev_get_by_index+0x5e/0x80 [16876.754674][ T7704] fib6_nh_init+0x3d8/0x15b0 [16876.754674][ T7704] ip6_route_info_create+0xf18/0x17d0 [16876.754674][ T7704] ip6_route_add+0x1c/0x140 [16876.754674][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16876.754674][ T7704] addrconf_add_dev+0xe2/0x170 [16876.754674][ T7704] inet6_addr_add+0x12f/0xa40 [16876.754674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16876.754674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16876.754674][ T7704] netlink_rcv_skb+0x130/0x360 [16876.754674][ T7704] netlink_unicast+0x449/0x710 [16876.754674][ T7704] netlink_sendmsg+0x723/0xbe0 [16876.754674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16876.754674][ T7704] ___sys_sendmsg+0xee/0x170 [16876.754674][ T7704] __sys_sendmsg+0xcd/0x170 [16876.754674][ T7704] do_syscall_64+0xc6/0x1e0 [16876.754674][ T7704] [16876.756819][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16876.756819][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16876.756819][ T7704] ipv6_find_idev+0x102/0x170 [16876.756819][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16876.756819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16876.756819][ T7704] netlink_rcv_skb+0x130/0x360 [16876.756819][ T7704] netlink_unicast+0x449/0x710 [16876.756819][ T7704] netlink_sendmsg+0x723/0xbe0 [16876.756819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16876.756819][ T7704] ___sys_sendmsg+0xee/0x170 [16876.756819][ T7704] __sys_sendmsg+0xcd/0x170 [16876.756819][ T7704] do_syscall_64+0xc6/0x1e0 [16876.756819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16876.756819][ T7704] [16876.758535][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16876.758535][ T7704] neigh_parms_alloc+0x1e5/0x510 [16876.758535][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16876.758535][ T7704] ipv6_find_idev+0x102/0x170 [16876.758535][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16876.758535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16876.758535][ T7704] netlink_rcv_skb+0x130/0x360 [16876.758535][ T7704] netlink_unicast+0x449/0x710 [16876.758535][ T7704] netlink_sendmsg+0x723/0xbe0 [16876.758535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16876.758535][ T7704] ___sys_sendmsg+0xee/0x170 [16876.758535][ T7704] __sys_sendmsg+0xcd/0x170 [16876.758535][ T7704] do_syscall_64+0xc6/0x1e0 [16876.758535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16876.758535][ T7704] [16886.940872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16886.941426][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16886.941426][ T7704] netdev_get_by_index+0x5e/0x80 [16886.941426][ T7704] fib6_nh_init+0x3d8/0x15b0 [16886.941426][ T7704] ip6_route_info_create+0xf18/0x17d0 [16886.941426][ T7704] ip6_route_add+0x1c/0x140 [16886.941426][ T7704] addrconf_prefix_route+0x2a6/0x430 [16886.941426][ T7704] inet6_addr_add+0x4f8/0xa40 [16886.941426][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16886.941426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16886.941426][ T7704] netlink_rcv_skb+0x130/0x360 [16886.941426][ T7704] netlink_unicast+0x449/0x710 [16886.941426][ T7704] netlink_sendmsg+0x723/0xbe0 [16886.941426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16886.941426][ T7704] ___sys_sendmsg+0xee/0x170 [16886.941426][ T7704] __sys_sendmsg+0xcd/0x170 [16886.941426][ T7704] do_syscall_64+0xc6/0x1e0 [16886.941426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16886.941426][ T7704] [16886.943714][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16886.943714][ T7704] netdev_get_by_index+0x5e/0x80 [16886.943714][ T7704] fib6_nh_init+0x3d8/0x15b0 [16886.943714][ T7704] ip6_route_info_create+0xf18/0x17d0 [16886.943714][ T7704] addrconf_f6i_alloc+0x315/0x560 [16886.943714][ T7704] ipv6_add_addr+0x411/0x2000 [16886.943714][ T7704] inet6_addr_add+0x30e/0xa40 [16886.943714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16886.943714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16886.943714][ T7704] netlink_rcv_skb+0x130/0x360 [16886.943714][ T7704] netlink_unicast+0x449/0x710 [16886.943714][ T7704] netlink_sendmsg+0x723/0xbe0 [16886.943714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16886.943714][ T7704] ___sys_sendmsg+0xee/0x170 [16886.943714][ T7704] __sys_sendmsg+0xcd/0x170 [16886.943714][ T7704] do_syscall_64+0xc6/0x1e0 [16886.943714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16886.943714][ T7704] [16886.945886][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16886.945886][ T7704] netdev_get_by_index+0x5e/0x80 [16886.945886][ T7704] fib6_nh_init+0x3d8/0x15b0 [16886.945886][ T7704] ip6_route_info_create+0xf18/0x17d0 [16886.945886][ T7704] ip6_route_add+0x1c/0x140 [16886.945886][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16886.945886][ T7704] addrconf_add_dev+0xe2/0x170 [16886.945886][ T7704] inet6_addr_add+0x12f/0xa40 [16886.945886][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16886.945886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16886.945886][ T7704] netlink_rcv_skb+0x130/0x360 [16886.945886][ T7704] netlink_unicast+0x449/0x710 [16886.945886][ T7704] netlink_sendmsg+0x723/0xbe0 [16886.945886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16886.945886][ T7704] ___sys_sendmsg+0xee/0x170 [16886.945886][ T7704] __sys_sendmsg+0xcd/0x170 [16886.945886][ T7704] do_syscall_64+0xc6/0x1e0 [16886.945886][ T7704] [16886.948612][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16886.948612][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16886.948612][ T7704] ipv6_find_idev+0x102/0x170 [16886.948612][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16886.948612][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16886.948612][ T7704] netlink_rcv_skb+0x130/0x360 [16886.948612][ T7704] netlink_unicast+0x449/0x710 [16886.948612][ T7704] netlink_sendmsg+0x723/0xbe0 [16886.948612][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16886.948612][ T7704] ___sys_sendmsg+0xee/0x170 [16886.948612][ T7704] __sys_sendmsg+0xcd/0x170 [16886.948612][ T7704] do_syscall_64+0xc6/0x1e0 [16886.948612][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16886.948612][ T7704] [16886.950280][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16886.950280][ T7704] neigh_parms_alloc+0x1e5/0x510 [16886.950280][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16886.950280][ T7704] ipv6_find_idev+0x102/0x170 [16886.950280][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16886.950280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16886.950280][ T7704] netlink_rcv_skb+0x130/0x360 [16886.950280][ T7704] netlink_unicast+0x449/0x710 [16886.950280][ T7704] netlink_sendmsg+0x723/0xbe0 [16886.950280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16886.950280][ T7704] ___sys_sendmsg+0xee/0x170 [16886.950280][ T7704] __sys_sendmsg+0xcd/0x170 [16886.950280][ T7704] do_syscall_64+0xc6/0x1e0 [16886.950280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16886.950280][ T7704] [16897.148807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16897.149375][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16897.149375][ T7704] netdev_get_by_index+0x5e/0x80 [16897.149375][ T7704] fib6_nh_init+0x3d8/0x15b0 [16897.149375][ T7704] ip6_route_info_create+0xf18/0x17d0 [16897.149375][ T7704] ip6_route_add+0x1c/0x140 [16897.149375][ T7704] addrconf_prefix_route+0x2a6/0x430 [16897.149375][ T7704] inet6_addr_add+0x4f8/0xa40 [16897.149375][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16897.149375][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16897.149375][ T7704] netlink_rcv_skb+0x130/0x360 [16897.149375][ T7704] netlink_unicast+0x449/0x710 [16897.149375][ T7704] netlink_sendmsg+0x723/0xbe0 [16897.149375][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16897.149375][ T7704] ___sys_sendmsg+0xee/0x170 [16897.149375][ T7704] __sys_sendmsg+0xcd/0x170 [16897.149375][ T7704] do_syscall_64+0xc6/0x1e0 [16897.149375][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16897.149375][ T7704] [16897.151638][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16897.151638][ T7704] netdev_get_by_index+0x5e/0x80 [16897.151638][ T7704] fib6_nh_init+0x3d8/0x15b0 [16897.151638][ T7704] ip6_route_info_create+0xf18/0x17d0 [16897.151638][ T7704] addrconf_f6i_alloc+0x315/0x560 [16897.151638][ T7704] ipv6_add_addr+0x411/0x2000 [16897.151638][ T7704] inet6_addr_add+0x30e/0xa40 [16897.151638][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16897.151638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16897.151638][ T7704] netlink_rcv_skb+0x130/0x360 [16897.151638][ T7704] netlink_unicast+0x449/0x710 [16897.151638][ T7704] netlink_sendmsg+0x723/0xbe0 [16897.151638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16897.151638][ T7704] ___sys_sendmsg+0xee/0x170 [16897.151638][ T7704] __sys_sendmsg+0xcd/0x170 [16897.151638][ T7704] do_syscall_64+0xc6/0x1e0 [16897.151638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16897.151638][ T7704] [16897.153865][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16897.153865][ T7704] netdev_get_by_index+0x5e/0x80 [16897.153865][ T7704] fib6_nh_init+0x3d8/0x15b0 [16897.153865][ T7704] ip6_route_info_create+0xf18/0x17d0 [16897.153865][ T7704] ip6_route_add+0x1c/0x140 [16897.153865][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16897.153865][ T7704] addrconf_add_dev+0xe2/0x170 [16897.153865][ T7704] inet6_addr_add+0x12f/0xa40 [16897.153865][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16897.153865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16897.153865][ T7704] netlink_rcv_skb+0x130/0x360 [16897.153865][ T7704] netlink_unicast+0x449/0x710 [16897.153865][ T7704] netlink_sendmsg+0x723/0xbe0 [16897.153865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16897.153865][ T7704] ___sys_sendmsg+0xee/0x170 [16897.153865][ T7704] __sys_sendmsg+0xcd/0x170 [16897.153865][ T7704] do_syscall_64+0xc6/0x1e0 [16897.153865][ T7704] [16897.156068][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16897.156068][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16897.156068][ T7704] ipv6_find_idev+0x102/0x170 [16897.156068][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16897.156068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16897.156068][ T7704] netlink_rcv_skb+0x130/0x360 [16897.156068][ T7704] netlink_unicast+0x449/0x710 [16897.156068][ T7704] netlink_sendmsg+0x723/0xbe0 [16897.156068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16897.156068][ T7704] ___sys_sendmsg+0xee/0x170 [16897.156068][ T7704] __sys_sendmsg+0xcd/0x170 [16897.156068][ T7704] do_syscall_64+0xc6/0x1e0 [16897.156068][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16897.156068][ T7704] [16897.157804][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16897.157804][ T7704] neigh_parms_alloc+0x1e5/0x510 [16897.157804][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16897.157804][ T7704] ipv6_find_idev+0x102/0x170 [16897.157804][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16897.157804][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16897.157804][ T7704] netlink_rcv_skb+0x130/0x360 [16897.157804][ T7704] netlink_unicast+0x449/0x710 [16897.157804][ T7704] netlink_sendmsg+0x723/0xbe0 [16897.157804][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16897.157804][ T7704] ___sys_sendmsg+0xee/0x170 [16897.157804][ T7704] __sys_sendmsg+0xcd/0x170 [16897.157804][ T7704] do_syscall_64+0xc6/0x1e0 [16897.157804][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16897.157804][ T7704] [16907.396850][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16907.397421][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16907.397421][ T7704] netdev_get_by_index+0x5e/0x80 [16907.397421][ T7704] fib6_nh_init+0x3d8/0x15b0 [16907.397421][ T7704] ip6_route_info_create+0xf18/0x17d0 [16907.397421][ T7704] ip6_route_add+0x1c/0x140 [16907.397421][ T7704] addrconf_prefix_route+0x2a6/0x430 [16907.397421][ T7704] inet6_addr_add+0x4f8/0xa40 [16907.397421][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16907.397421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16907.397421][ T7704] netlink_rcv_skb+0x130/0x360 [16907.397421][ T7704] netlink_unicast+0x449/0x710 [16907.397421][ T7704] netlink_sendmsg+0x723/0xbe0 [16907.397421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16907.397421][ T7704] ___sys_sendmsg+0xee/0x170 [16907.397421][ T7704] __sys_sendmsg+0xcd/0x170 [16907.397421][ T7704] do_syscall_64+0xc6/0x1e0 [16907.397421][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16907.397421][ T7704] [16907.399782][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16907.399782][ T7704] netdev_get_by_index+0x5e/0x80 [16907.399782][ T7704] fib6_nh_init+0x3d8/0x15b0 [16907.399782][ T7704] ip6_route_info_create+0xf18/0x17d0 [16907.399782][ T7704] addrconf_f6i_alloc+0x315/0x560 [16907.399782][ T7704] ipv6_add_addr+0x411/0x2000 [16907.399782][ T7704] inet6_addr_add+0x30e/0xa40 [16907.399782][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16907.399782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16907.399782][ T7704] netlink_rcv_skb+0x130/0x360 [16907.399782][ T7704] netlink_unicast+0x449/0x710 [16907.399782][ T7704] netlink_sendmsg+0x723/0xbe0 [16907.399782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16907.399782][ T7704] ___sys_sendmsg+0xee/0x170 [16907.399782][ T7704] __sys_sendmsg+0xcd/0x170 [16907.399782][ T7704] do_syscall_64+0xc6/0x1e0 [16907.399782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16907.399782][ T7704] [16907.402039][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16907.402039][ T7704] netdev_get_by_index+0x5e/0x80 [16907.402039][ T7704] fib6_nh_init+0x3d8/0x15b0 [16907.402039][ T7704] ip6_route_info_create+0xf18/0x17d0 [16907.402039][ T7704] ip6_route_add+0x1c/0x140 [16907.402039][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16907.402039][ T7704] addrconf_add_dev+0xe2/0x170 [16907.402039][ T7704] inet6_addr_add+0x12f/0xa40 [16907.402039][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16907.402039][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16907.402039][ T7704] netlink_rcv_skb+0x130/0x360 [16907.402039][ T7704] netlink_unicast+0x449/0x710 [16907.402039][ T7704] netlink_sendmsg+0x723/0xbe0 [16907.402039][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16907.402039][ T7704] ___sys_sendmsg+0xee/0x170 [16907.402039][ T7704] __sys_sendmsg+0xcd/0x170 [16907.402039][ T7704] do_syscall_64+0xc6/0x1e0 [16907.402039][ T7704] [16907.404329][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16907.404329][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16907.404329][ T7704] ipv6_find_idev+0x102/0x170 [16907.404329][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16907.404329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16907.404329][ T7704] netlink_rcv_skb+0x130/0x360 [16907.404329][ T7704] netlink_unicast+0x449/0x710 [16907.404329][ T7704] netlink_sendmsg+0x723/0xbe0 [16907.404329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16907.404329][ T7704] ___sys_sendmsg+0xee/0x170 [16907.404329][ T7704] __sys_sendmsg+0xcd/0x170 [16907.404329][ T7704] do_syscall_64+0xc6/0x1e0 [16907.404329][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16907.404329][ T7704] [16907.406109][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16907.406109][ T7704] neigh_parms_alloc+0x1e5/0x510 [16907.406109][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16907.406109][ T7704] ipv6_find_idev+0x102/0x170 [16907.406109][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16907.406109][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16907.406109][ T7704] netlink_rcv_skb+0x130/0x360 [16907.406109][ T7704] netlink_unicast+0x449/0x710 [16907.406109][ T7704] netlink_sendmsg+0x723/0xbe0 [16907.406109][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16907.406109][ T7704] ___sys_sendmsg+0xee/0x170 [16907.406109][ T7704] __sys_sendmsg+0xcd/0x170 [16907.406109][ T7704] do_syscall_64+0xc6/0x1e0 [16907.406109][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16907.406109][ T7704] [16917.516887][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16917.517401][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16917.517401][ T7704] netdev_get_by_index+0x5e/0x80 [16917.517401][ T7704] fib6_nh_init+0x3d8/0x15b0 [16917.517401][ T7704] ip6_route_info_create+0xf18/0x17d0 [16917.517401][ T7704] ip6_route_add+0x1c/0x140 [16917.517401][ T7704] addrconf_prefix_route+0x2a6/0x430 [16917.517401][ T7704] inet6_addr_add+0x4f8/0xa40 [16917.517401][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16917.517401][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16917.517401][ T7704] netlink_rcv_skb+0x130/0x360 [16917.517401][ T7704] netlink_unicast+0x449/0x710 [16917.517401][ T7704] netlink_sendmsg+0x723/0xbe0 [16917.517401][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16917.517401][ T7704] ___sys_sendmsg+0xee/0x170 [16917.517401][ T7704] __sys_sendmsg+0xcd/0x170 [16917.517401][ T7704] do_syscall_64+0xc6/0x1e0 [16917.517401][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16917.517401][ T7704] [16917.519598][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16917.519598][ T7704] netdev_get_by_index+0x5e/0x80 [16917.519598][ T7704] fib6_nh_init+0x3d8/0x15b0 [16917.519598][ T7704] ip6_route_info_create+0xf18/0x17d0 [16917.519598][ T7704] addrconf_f6i_alloc+0x315/0x560 [16917.519598][ T7704] ipv6_add_addr+0x411/0x2000 [16917.519598][ T7704] inet6_addr_add+0x30e/0xa40 [16917.519598][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16917.519598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16917.519598][ T7704] netlink_rcv_skb+0x130/0x360 [16917.519598][ T7704] netlink_unicast+0x449/0x710 [16917.519598][ T7704] netlink_sendmsg+0x723/0xbe0 [16917.519598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16917.519598][ T7704] ___sys_sendmsg+0xee/0x170 [16917.519598][ T7704] __sys_sendmsg+0xcd/0x170 [16917.519598][ T7704] do_syscall_64+0xc6/0x1e0 [16917.519598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16917.519598][ T7704] [16917.521779][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16917.521779][ T7704] netdev_get_by_index+0x5e/0x80 [16917.521779][ T7704] fib6_nh_init+0x3d8/0x15b0 [16917.521779][ T7704] ip6_route_info_create+0xf18/0x17d0 [16917.521779][ T7704] ip6_route_add+0x1c/0x140 [16917.521779][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16917.521779][ T7704] addrconf_add_dev+0xe2/0x170 [16917.521779][ T7704] inet6_addr_add+0x12f/0xa40 [16917.521779][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16917.521779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16917.521779][ T7704] netlink_rcv_skb+0x130/0x360 [16917.521779][ T7704] netlink_unicast+0x449/0x710 [16917.521779][ T7704] netlink_sendmsg+0x723/0xbe0 [16917.521779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16917.521779][ T7704] ___sys_sendmsg+0xee/0x170 [16917.521779][ T7704] __sys_sendmsg+0xcd/0x170 [16917.521779][ T7704] do_syscall_64+0xc6/0x1e0 [16917.521779][ T7704] [16917.523971][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16917.523971][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16917.523971][ T7704] ipv6_find_idev+0x102/0x170 [16917.523971][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16917.523971][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16917.523971][ T7704] netlink_rcv_skb+0x130/0x360 [16917.523971][ T7704] netlink_unicast+0x449/0x710 [16917.523971][ T7704] netlink_sendmsg+0x723/0xbe0 [16917.523971][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16917.523971][ T7704] ___sys_sendmsg+0xee/0x170 [16917.523971][ T7704] __sys_sendmsg+0xcd/0x170 [16917.523971][ T7704] do_syscall_64+0xc6/0x1e0 [16917.523971][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16917.523971][ T7704] [16917.525650][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16917.525650][ T7704] neigh_parms_alloc+0x1e5/0x510 [16917.525650][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16917.525650][ T7704] ipv6_find_idev+0x102/0x170 [16917.525650][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16917.525650][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16917.525650][ T7704] netlink_rcv_skb+0x130/0x360 [16917.525650][ T7704] netlink_unicast+0x449/0x710 [16917.525650][ T7704] netlink_sendmsg+0x723/0xbe0 [16917.525650][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16917.525650][ T7704] ___sys_sendmsg+0xee/0x170 [16917.525650][ T7704] __sys_sendmsg+0xcd/0x170 [16917.525650][ T7704] do_syscall_64+0xc6/0x1e0 [16917.525650][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16917.525650][ T7704] [16927.764899][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16927.765491][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16927.765491][ T7704] netdev_get_by_index+0x5e/0x80 [16927.765491][ T7704] fib6_nh_init+0x3d8/0x15b0 [16927.765491][ T7704] ip6_route_info_create+0xf18/0x17d0 [16927.765491][ T7704] ip6_route_add+0x1c/0x140 [16927.765491][ T7704] addrconf_prefix_route+0x2a6/0x430 [16927.765491][ T7704] inet6_addr_add+0x4f8/0xa40 [16927.765491][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16927.765491][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16927.765491][ T7704] netlink_rcv_skb+0x130/0x360 [16927.765491][ T7704] netlink_unicast+0x449/0x710 [16927.765491][ T7704] netlink_sendmsg+0x723/0xbe0 [16927.765491][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16927.765491][ T7704] ___sys_sendmsg+0xee/0x170 [16927.765491][ T7704] __sys_sendmsg+0xcd/0x170 [16927.765491][ T7704] do_syscall_64+0xc6/0x1e0 [16927.765491][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16927.765491][ T7704] [16927.767713][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16927.767713][ T7704] netdev_get_by_index+0x5e/0x80 [16927.767713][ T7704] fib6_nh_init+0x3d8/0x15b0 [16927.767713][ T7704] ip6_route_info_create+0xf18/0x17d0 [16927.767713][ T7704] addrconf_f6i_alloc+0x315/0x560 [16927.767713][ T7704] ipv6_add_addr+0x411/0x2000 [16927.767713][ T7704] inet6_addr_add+0x30e/0xa40 [16927.767713][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16927.767713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16927.767713][ T7704] netlink_rcv_skb+0x130/0x360 [16927.767713][ T7704] netlink_unicast+0x449/0x710 [16927.767713][ T7704] netlink_sendmsg+0x723/0xbe0 [16927.767713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16927.767713][ T7704] ___sys_sendmsg+0xee/0x170 [16927.767713][ T7704] __sys_sendmsg+0xcd/0x170 [16927.767713][ T7704] do_syscall_64+0xc6/0x1e0 [16927.767713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16927.767713][ T7704] [16927.769907][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16927.769907][ T7704] netdev_get_by_index+0x5e/0x80 [16927.769907][ T7704] fib6_nh_init+0x3d8/0x15b0 [16927.769907][ T7704] ip6_route_info_create+0xf18/0x17d0 [16927.769907][ T7704] ip6_route_add+0x1c/0x140 [16927.769907][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16927.769907][ T7704] addrconf_add_dev+0xe2/0x170 [16927.769907][ T7704] inet6_addr_add+0x12f/0xa40 [16927.769907][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16927.769907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16927.769907][ T7704] netlink_rcv_skb+0x130/0x360 [16927.769907][ T7704] netlink_unicast+0x449/0x710 [16927.769907][ T7704] netlink_sendmsg+0x723/0xbe0 [16927.769907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16927.769907][ T7704] ___sys_sendmsg+0xee/0x170 [16927.769907][ T7704] __sys_sendmsg+0xcd/0x170 [16927.769907][ T7704] do_syscall_64+0xc6/0x1e0 [16927.769907][ T7704] [16927.772059][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16927.772059][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16927.772059][ T7704] ipv6_find_idev+0x102/0x170 [16927.772059][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16927.772059][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16927.772059][ T7704] netlink_rcv_skb+0x130/0x360 [16927.772059][ T7704] netlink_unicast+0x449/0x710 [16927.772059][ T7704] netlink_sendmsg+0x723/0xbe0 [16927.772059][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16927.772059][ T7704] ___sys_sendmsg+0xee/0x170 [16927.772059][ T7704] __sys_sendmsg+0xcd/0x170 [16927.772059][ T7704] do_syscall_64+0xc6/0x1e0 [16927.772059][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16927.772059][ T7704] [16927.773807][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16927.773807][ T7704] neigh_parms_alloc+0x1e5/0x510 [16927.773807][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16927.773807][ T7704] ipv6_find_idev+0x102/0x170 [16927.773807][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16927.773807][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16927.773807][ T7704] netlink_rcv_skb+0x130/0x360 [16927.773807][ T7704] netlink_unicast+0x449/0x710 [16927.773807][ T7704] netlink_sendmsg+0x723/0xbe0 [16927.773807][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16927.773807][ T7704] ___sys_sendmsg+0xee/0x170 [16927.773807][ T7704] __sys_sendmsg+0xcd/0x170 [16927.773807][ T7704] do_syscall_64+0xc6/0x1e0 [16927.773807][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16927.773807][ T7704] [16938.012877][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16938.013985][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16938.013985][ T7704] netdev_get_by_index+0x5e/0x80 [16938.013985][ T7704] fib6_nh_init+0x3d8/0x15b0 [16938.013985][ T7704] ip6_route_info_create+0xf18/0x17d0 [16938.013985][ T7704] ip6_route_add+0x1c/0x140 [16938.013985][ T7704] addrconf_prefix_route+0x2a6/0x430 [16938.013985][ T7704] inet6_addr_add+0x4f8/0xa40 [16938.013985][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16938.013985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16938.013985][ T7704] netlink_rcv_skb+0x130/0x360 [16938.013985][ T7704] netlink_unicast+0x449/0x710 [16938.013985][ T7704] netlink_sendmsg+0x723/0xbe0 [16938.013985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16938.013985][ T7704] ___sys_sendmsg+0xee/0x170 [16938.013985][ T7704] __sys_sendmsg+0xcd/0x170 [16938.013985][ T7704] do_syscall_64+0xc6/0x1e0 [16938.013985][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16938.013985][ T7704] [16938.016139][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16938.016139][ T7704] netdev_get_by_index+0x5e/0x80 [16938.016139][ T7704] fib6_nh_init+0x3d8/0x15b0 [16938.016139][ T7704] ip6_route_info_create+0xf18/0x17d0 [16938.016139][ T7704] addrconf_f6i_alloc+0x315/0x560 [16938.016139][ T7704] ipv6_add_addr+0x411/0x2000 [16938.016139][ T7704] inet6_addr_add+0x30e/0xa40 [16938.016139][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16938.016139][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16938.016139][ T7704] netlink_rcv_skb+0x130/0x360 [16938.016139][ T7704] netlink_unicast+0x449/0x710 [16938.016139][ T7704] netlink_sendmsg+0x723/0xbe0 [16938.016139][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16938.016139][ T7704] ___sys_sendmsg+0xee/0x170 [16938.016139][ T7704] __sys_sendmsg+0xcd/0x170 [16938.016139][ T7704] do_syscall_64+0xc6/0x1e0 [16938.016139][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16938.016139][ T7704] [16938.018210][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16938.018210][ T7704] netdev_get_by_index+0x5e/0x80 [16938.018210][ T7704] fib6_nh_init+0x3d8/0x15b0 [16938.018210][ T7704] ip6_route_info_create+0xf18/0x17d0 [16938.018210][ T7704] ip6_route_add+0x1c/0x140 [16938.018210][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16938.018210][ T7704] addrconf_add_dev+0xe2/0x170 [16938.018210][ T7704] inet6_addr_add+0x12f/0xa40 [16938.018210][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16938.018210][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16938.018210][ T7704] netlink_rcv_skb+0x130/0x360 [16938.018210][ T7704] netlink_unicast+0x449/0x710 [16938.018210][ T7704] netlink_sendmsg+0x723/0xbe0 [16938.018210][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16938.018210][ T7704] ___sys_sendmsg+0xee/0x170 [16938.018210][ T7704] __sys_sendmsg+0xcd/0x170 [16938.018210][ T7704] do_syscall_64+0xc6/0x1e0 [16938.018210][ T7704] [16938.020263][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16938.020263][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16938.020263][ T7704] ipv6_find_idev+0x102/0x170 [16938.020263][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16938.020263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16938.020263][ T7704] netlink_rcv_skb+0x130/0x360 [16938.020263][ T7704] netlink_unicast+0x449/0x710 [16938.020263][ T7704] netlink_sendmsg+0x723/0xbe0 [16938.020263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16938.020263][ T7704] ___sys_sendmsg+0xee/0x170 [16938.020263][ T7704] __sys_sendmsg+0xcd/0x170 [16938.020263][ T7704] do_syscall_64+0xc6/0x1e0 [16938.020263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16938.020263][ T7704] [16938.021857][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16938.021857][ T7704] neigh_parms_alloc+0x1e5/0x510 [16938.021857][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16938.021857][ T7704] ipv6_find_idev+0x102/0x170 [16938.021857][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16938.021857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16938.021857][ T7704] netlink_rcv_skb+0x130/0x360 [16938.021857][ T7704] netlink_unicast+0x449/0x710 [16938.021857][ T7704] netlink_sendmsg+0x723/0xbe0 [16938.021857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16938.021857][ T7704] ___sys_sendmsg+0xee/0x170 [16938.021857][ T7704] __sys_sendmsg+0xcd/0x170 [16938.021857][ T7704] do_syscall_64+0xc6/0x1e0 [16938.021857][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16938.021857][ T7704] [16948.260901][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16948.261544][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16948.261544][ T7704] netdev_get_by_index+0x5e/0x80 [16948.261544][ T7704] fib6_nh_init+0x3d8/0x15b0 [16948.261544][ T7704] ip6_route_info_create+0xf18/0x17d0 [16948.261544][ T7704] ip6_route_add+0x1c/0x140 [16948.261544][ T7704] addrconf_prefix_route+0x2a6/0x430 [16948.261544][ T7704] inet6_addr_add+0x4f8/0xa40 [16948.261544][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16948.261544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16948.261544][ T7704] netlink_rcv_skb+0x130/0x360 [16948.261544][ T7704] netlink_unicast+0x449/0x710 [16948.261544][ T7704] netlink_sendmsg+0x723/0xbe0 [16948.261544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16948.261544][ T7704] ___sys_sendmsg+0xee/0x170 [16948.261544][ T7704] __sys_sendmsg+0xcd/0x170 [16948.261544][ T7704] do_syscall_64+0xc6/0x1e0 [16948.261544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16948.261544][ T7704] [16948.263940][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16948.263940][ T7704] netdev_get_by_index+0x5e/0x80 [16948.263940][ T7704] fib6_nh_init+0x3d8/0x15b0 [16948.263940][ T7704] ip6_route_info_create+0xf18/0x17d0 [16948.263940][ T7704] addrconf_f6i_alloc+0x315/0x560 [16948.263940][ T7704] ipv6_add_addr+0x411/0x2000 [16948.263940][ T7704] inet6_addr_add+0x30e/0xa40 [16948.263940][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16948.263940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16948.263940][ T7704] netlink_rcv_skb+0x130/0x360 [16948.263940][ T7704] netlink_unicast+0x449/0x710 [16948.263940][ T7704] netlink_sendmsg+0x723/0xbe0 [16948.263940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16948.263940][ T7704] ___sys_sendmsg+0xee/0x170 [16948.263940][ T7704] __sys_sendmsg+0xcd/0x170 [16948.263940][ T7704] do_syscall_64+0xc6/0x1e0 [16948.263940][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16948.263940][ T7704] [16948.266241][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16948.266241][ T7704] netdev_get_by_index+0x5e/0x80 [16948.266241][ T7704] fib6_nh_init+0x3d8/0x15b0 [16948.266241][ T7704] ip6_route_info_create+0xf18/0x17d0 [16948.266241][ T7704] ip6_route_add+0x1c/0x140 [16948.266241][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16948.266241][ T7704] addrconf_add_dev+0xe2/0x170 [16948.266241][ T7704] inet6_addr_add+0x12f/0xa40 [16948.266241][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16948.266241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16948.266241][ T7704] netlink_rcv_skb+0x130/0x360 [16948.266241][ T7704] netlink_unicast+0x449/0x710 [16948.266241][ T7704] netlink_sendmsg+0x723/0xbe0 [16948.266241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16948.266241][ T7704] ___sys_sendmsg+0xee/0x170 [16948.266241][ T7704] __sys_sendmsg+0xcd/0x170 [16948.266241][ T7704] do_syscall_64+0xc6/0x1e0 [16948.266241][ T7704] [16948.268404][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16948.268404][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16948.268404][ T7704] ipv6_find_idev+0x102/0x170 [16948.268404][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16948.268404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16948.268404][ T7704] netlink_rcv_skb+0x130/0x360 [16948.268404][ T7704] netlink_unicast+0x449/0x710 [16948.268404][ T7704] netlink_sendmsg+0x723/0xbe0 [16948.268404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16948.268404][ T7704] ___sys_sendmsg+0xee/0x170 [16948.268404][ T7704] __sys_sendmsg+0xcd/0x170 [16948.268404][ T7704] do_syscall_64+0xc6/0x1e0 [16948.268404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16948.268404][ T7704] [16948.270054][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16948.270054][ T7704] neigh_parms_alloc+0x1e5/0x510 [16948.270054][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16948.270054][ T7704] ipv6_find_idev+0x102/0x170 [16948.270054][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16948.270054][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16948.270054][ T7704] netlink_rcv_skb+0x130/0x360 [16948.270054][ T7704] netlink_unicast+0x449/0x710 [16948.270054][ T7704] netlink_sendmsg+0x723/0xbe0 [16948.270054][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16948.270054][ T7704] ___sys_sendmsg+0xee/0x170 [16948.270054][ T7704] __sys_sendmsg+0xcd/0x170 [16948.270054][ T7704] do_syscall_64+0xc6/0x1e0 [16948.270054][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16948.270054][ T7704] [16958.508880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16958.510056][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16958.510056][ T7704] netdev_get_by_index+0x5e/0x80 [16958.510056][ T7704] fib6_nh_init+0x3d8/0x15b0 [16958.510056][ T7704] ip6_route_info_create+0xf18/0x17d0 [16958.510056][ T7704] ip6_route_add+0x1c/0x140 [16958.510056][ T7704] addrconf_prefix_route+0x2a6/0x430 [16958.510056][ T7704] inet6_addr_add+0x4f8/0xa40 [16958.510056][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16958.510056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16958.510056][ T7704] netlink_rcv_skb+0x130/0x360 [16958.510056][ T7704] netlink_unicast+0x449/0x710 [16958.510056][ T7704] netlink_sendmsg+0x723/0xbe0 [16958.510056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16958.510056][ T7704] ___sys_sendmsg+0xee/0x170 [16958.510056][ T7704] __sys_sendmsg+0xcd/0x170 [16958.510056][ T7704] do_syscall_64+0xc6/0x1e0 [16958.510056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16958.510056][ T7704] [16958.512328][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16958.512328][ T7704] netdev_get_by_index+0x5e/0x80 [16958.512328][ T7704] fib6_nh_init+0x3d8/0x15b0 [16958.512328][ T7704] ip6_route_info_create+0xf18/0x17d0 [16958.512328][ T7704] addrconf_f6i_alloc+0x315/0x560 [16958.512328][ T7704] ipv6_add_addr+0x411/0x2000 [16958.512328][ T7704] inet6_addr_add+0x30e/0xa40 [16958.512328][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16958.512328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16958.512328][ T7704] netlink_rcv_skb+0x130/0x360 [16958.512328][ T7704] netlink_unicast+0x449/0x710 [16958.512328][ T7704] netlink_sendmsg+0x723/0xbe0 [16958.512328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16958.512328][ T7704] ___sys_sendmsg+0xee/0x170 [16958.512328][ T7704] __sys_sendmsg+0xcd/0x170 [16958.512328][ T7704] do_syscall_64+0xc6/0x1e0 [16958.512328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16958.512328][ T7704] [16958.514493][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16958.514493][ T7704] netdev_get_by_index+0x5e/0x80 [16958.514493][ T7704] fib6_nh_init+0x3d8/0x15b0 [16958.514493][ T7704] ip6_route_info_create+0xf18/0x17d0 [16958.514493][ T7704] ip6_route_add+0x1c/0x140 [16958.514493][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16958.514493][ T7704] addrconf_add_dev+0xe2/0x170 [16958.514493][ T7704] inet6_addr_add+0x12f/0xa40 [16958.514493][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16958.514493][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16958.514493][ T7704] netlink_rcv_skb+0x130/0x360 [16958.514493][ T7704] netlink_unicast+0x449/0x710 [16958.514493][ T7704] netlink_sendmsg+0x723/0xbe0 [16958.514493][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16958.514493][ T7704] ___sys_sendmsg+0xee/0x170 [16958.514493][ T7704] __sys_sendmsg+0xcd/0x170 [16958.514493][ T7704] do_syscall_64+0xc6/0x1e0 [16958.514493][ T7704] [16958.516687][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16958.516687][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16958.516687][ T7704] ipv6_find_idev+0x102/0x170 [16958.516687][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16958.516687][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16958.516687][ T7704] netlink_rcv_skb+0x130/0x360 [16958.516687][ T7704] netlink_unicast+0x449/0x710 [16958.516687][ T7704] netlink_sendmsg+0x723/0xbe0 [16958.516687][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16958.516687][ T7704] ___sys_sendmsg+0xee/0x170 [16958.516687][ T7704] __sys_sendmsg+0xcd/0x170 [16958.516687][ T7704] do_syscall_64+0xc6/0x1e0 [16958.516687][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16958.516687][ T7704] [16958.518350][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16958.518350][ T7704] neigh_parms_alloc+0x1e5/0x510 [16958.518350][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16958.518350][ T7704] ipv6_find_idev+0x102/0x170 [16958.518350][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16958.518350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16958.518350][ T7704] netlink_rcv_skb+0x130/0x360 [16958.518350][ T7704] netlink_unicast+0x449/0x710 [16958.518350][ T7704] netlink_sendmsg+0x723/0xbe0 [16958.518350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16958.518350][ T7704] ___sys_sendmsg+0xee/0x170 [16958.518350][ T7704] __sys_sendmsg+0xcd/0x170 [16958.518350][ T7704] do_syscall_64+0xc6/0x1e0 [16958.518350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16958.518350][ T7704] [16968.628866][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16968.629474][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16968.629474][ T7704] netdev_get_by_index+0x5e/0x80 [16968.629474][ T7704] fib6_nh_init+0x3d8/0x15b0 [16968.629474][ T7704] ip6_route_info_create+0xf18/0x17d0 [16968.629474][ T7704] ip6_route_add+0x1c/0x140 [16968.629474][ T7704] addrconf_prefix_route+0x2a6/0x430 [16968.629474][ T7704] inet6_addr_add+0x4f8/0xa40 [16968.629474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16968.629474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16968.629474][ T7704] netlink_rcv_skb+0x130/0x360 [16968.629474][ T7704] netlink_unicast+0x449/0x710 [16968.629474][ T7704] netlink_sendmsg+0x723/0xbe0 [16968.629474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16968.629474][ T7704] ___sys_sendmsg+0xee/0x170 [16968.629474][ T7704] __sys_sendmsg+0xcd/0x170 [16968.629474][ T7704] do_syscall_64+0xc6/0x1e0 [16968.629474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16968.629474][ T7704] [16968.631672][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16968.631672][ T7704] netdev_get_by_index+0x5e/0x80 [16968.631672][ T7704] fib6_nh_init+0x3d8/0x15b0 [16968.631672][ T7704] ip6_route_info_create+0xf18/0x17d0 [16968.631672][ T7704] addrconf_f6i_alloc+0x315/0x560 [16968.631672][ T7704] ipv6_add_addr+0x411/0x2000 [16968.631672][ T7704] inet6_addr_add+0x30e/0xa40 [16968.631672][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16968.631672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16968.631672][ T7704] netlink_rcv_skb+0x130/0x360 [16968.631672][ T7704] netlink_unicast+0x449/0x710 [16968.631672][ T7704] netlink_sendmsg+0x723/0xbe0 [16968.631672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16968.631672][ T7704] ___sys_sendmsg+0xee/0x170 [16968.631672][ T7704] __sys_sendmsg+0xcd/0x170 [16968.631672][ T7704] do_syscall_64+0xc6/0x1e0 [16968.631672][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16968.631672][ T7704] [16968.633871][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16968.633871][ T7704] netdev_get_by_index+0x5e/0x80 [16968.633871][ T7704] fib6_nh_init+0x3d8/0x15b0 [16968.633871][ T7704] ip6_route_info_create+0xf18/0x17d0 [16968.633871][ T7704] ip6_route_add+0x1c/0x140 [16968.633871][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16968.633871][ T7704] addrconf_add_dev+0xe2/0x170 [16968.633871][ T7704] inet6_addr_add+0x12f/0xa40 [16968.633871][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16968.633871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16968.633871][ T7704] netlink_rcv_skb+0x130/0x360 [16968.633871][ T7704] netlink_unicast+0x449/0x710 [16968.633871][ T7704] netlink_sendmsg+0x723/0xbe0 [16968.633871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16968.633871][ T7704] ___sys_sendmsg+0xee/0x170 [16968.633871][ T7704] __sys_sendmsg+0xcd/0x170 [16968.633871][ T7704] do_syscall_64+0xc6/0x1e0 [16968.633871][ T7704] [16968.636081][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16968.636081][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16968.636081][ T7704] ipv6_find_idev+0x102/0x170 [16968.636081][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16968.636081][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16968.636081][ T7704] netlink_rcv_skb+0x130/0x360 [16968.636081][ T7704] netlink_unicast+0x449/0x710 [16968.636081][ T7704] netlink_sendmsg+0x723/0xbe0 [16968.636081][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16968.636081][ T7704] ___sys_sendmsg+0xee/0x170 [16968.636081][ T7704] __sys_sendmsg+0xcd/0x170 [16968.636081][ T7704] do_syscall_64+0xc6/0x1e0 [16968.636081][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16968.636081][ T7704] [16968.637814][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16968.637814][ T7704] neigh_parms_alloc+0x1e5/0x510 [16968.637814][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16968.637814][ T7704] ipv6_find_idev+0x102/0x170 [16968.637814][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16968.637814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16968.637814][ T7704] netlink_rcv_skb+0x130/0x360 [16968.637814][ T7704] netlink_unicast+0x449/0x710 [16968.637814][ T7704] netlink_sendmsg+0x723/0xbe0 [16968.637814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16968.637814][ T7704] ___sys_sendmsg+0xee/0x170 [16968.637814][ T7704] __sys_sendmsg+0xcd/0x170 [16968.637814][ T7704] do_syscall_64+0xc6/0x1e0 [16968.637814][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16968.637814][ T7704] [16978.837024][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16978.838116][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16978.838116][ T7704] netdev_get_by_index+0x5e/0x80 [16978.838116][ T7704] fib6_nh_init+0x3d8/0x15b0 [16978.838116][ T7704] ip6_route_info_create+0xf18/0x17d0 [16978.838116][ T7704] ip6_route_add+0x1c/0x140 [16978.838116][ T7704] addrconf_prefix_route+0x2a6/0x430 [16978.838116][ T7704] inet6_addr_add+0x4f8/0xa40 [16978.838116][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16978.838116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16978.838116][ T7704] netlink_rcv_skb+0x130/0x360 [16978.838116][ T7704] netlink_unicast+0x449/0x710 [16978.838116][ T7704] netlink_sendmsg+0x723/0xbe0 [16978.838116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16978.838116][ T7704] ___sys_sendmsg+0xee/0x170 [16978.838116][ T7704] __sys_sendmsg+0xcd/0x170 [16978.838116][ T7704] do_syscall_64+0xc6/0x1e0 [16978.838116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16978.838116][ T7704] [16978.840315][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16978.840315][ T7704] netdev_get_by_index+0x5e/0x80 [16978.840315][ T7704] fib6_nh_init+0x3d8/0x15b0 [16978.840315][ T7704] ip6_route_info_create+0xf18/0x17d0 [16978.840315][ T7704] addrconf_f6i_alloc+0x315/0x560 [16978.840315][ T7704] ipv6_add_addr+0x411/0x2000 [16978.840315][ T7704] inet6_addr_add+0x30e/0xa40 [16978.840315][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16978.840315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16978.840315][ T7704] netlink_rcv_skb+0x130/0x360 [16978.840315][ T7704] netlink_unicast+0x449/0x710 [16978.840315][ T7704] netlink_sendmsg+0x723/0xbe0 [16978.840315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16978.840315][ T7704] ___sys_sendmsg+0xee/0x170 [16978.840315][ T7704] __sys_sendmsg+0xcd/0x170 [16978.840315][ T7704] do_syscall_64+0xc6/0x1e0 [16978.840315][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16978.840315][ T7704] [16978.842952][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16978.842952][ T7704] netdev_get_by_index+0x5e/0x80 [16978.842952][ T7704] fib6_nh_init+0x3d8/0x15b0 [16978.842952][ T7704] ip6_route_info_create+0xf18/0x17d0 [16978.842952][ T7704] ip6_route_add+0x1c/0x140 [16978.842952][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16978.842952][ T7704] addrconf_add_dev+0xe2/0x170 [16978.842952][ T7704] inet6_addr_add+0x12f/0xa40 [16978.842952][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16978.842952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16978.842952][ T7704] netlink_rcv_skb+0x130/0x360 [16978.842952][ T7704] netlink_unicast+0x449/0x710 [16978.842952][ T7704] netlink_sendmsg+0x723/0xbe0 [16978.842952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16978.842952][ T7704] ___sys_sendmsg+0xee/0x170 [16978.842952][ T7704] __sys_sendmsg+0xcd/0x170 [16978.842952][ T7704] do_syscall_64+0xc6/0x1e0 [16978.842952][ T7704] [16978.845001][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16978.845001][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16978.845001][ T7704] ipv6_find_idev+0x102/0x170 [16978.845001][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16978.845001][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16978.845001][ T7704] netlink_rcv_skb+0x130/0x360 [16978.845001][ T7704] netlink_unicast+0x449/0x710 [16978.845001][ T7704] netlink_sendmsg+0x723/0xbe0 [16978.845001][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16978.845001][ T7704] ___sys_sendmsg+0xee/0x170 [16978.845001][ T7704] __sys_sendmsg+0xcd/0x170 [16978.845001][ T7704] do_syscall_64+0xc6/0x1e0 [16978.845001][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16978.845001][ T7704] [16978.846622][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16978.846622][ T7704] neigh_parms_alloc+0x1e5/0x510 [16978.846622][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16978.846622][ T7704] ipv6_find_idev+0x102/0x170 [16978.846622][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16978.846622][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16978.846622][ T7704] netlink_rcv_skb+0x130/0x360 [16978.846622][ T7704] netlink_unicast+0x449/0x710 [16978.846622][ T7704] netlink_sendmsg+0x723/0xbe0 [16978.846622][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16978.846622][ T7704] ___sys_sendmsg+0xee/0x170 [16978.846622][ T7704] __sys_sendmsg+0xcd/0x170 [16978.846622][ T7704] do_syscall_64+0xc6/0x1e0 [16978.846622][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16978.846622][ T7704] [16988.884870][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16988.885985][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16988.885985][ T7704] netdev_get_by_index+0x5e/0x80 [16988.885985][ T7704] fib6_nh_init+0x3d8/0x15b0 [16988.885985][ T7704] ip6_route_info_create+0xf18/0x17d0 [16988.885985][ T7704] ip6_route_add+0x1c/0x140 [16988.885985][ T7704] addrconf_prefix_route+0x2a6/0x430 [16988.885985][ T7704] inet6_addr_add+0x4f8/0xa40 [16988.885985][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16988.885985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16988.885985][ T7704] netlink_rcv_skb+0x130/0x360 [16988.885985][ T7704] netlink_unicast+0x449/0x710 [16988.885985][ T7704] netlink_sendmsg+0x723/0xbe0 [16988.885985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16988.885985][ T7704] ___sys_sendmsg+0xee/0x170 [16988.885985][ T7704] __sys_sendmsg+0xcd/0x170 [16988.885985][ T7704] do_syscall_64+0xc6/0x1e0 [16988.885985][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16988.885985][ T7704] [16988.888118][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16988.888118][ T7704] netdev_get_by_index+0x5e/0x80 [16988.888118][ T7704] fib6_nh_init+0x3d8/0x15b0 [16988.888118][ T7704] ip6_route_info_create+0xf18/0x17d0 [16988.888118][ T7704] addrconf_f6i_alloc+0x315/0x560 [16988.888118][ T7704] ipv6_add_addr+0x411/0x2000 [16988.888118][ T7704] inet6_addr_add+0x30e/0xa40 [16988.888118][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16988.888118][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16988.888118][ T7704] netlink_rcv_skb+0x130/0x360 [16988.888118][ T7704] netlink_unicast+0x449/0x710 [16988.888118][ T7704] netlink_sendmsg+0x723/0xbe0 [16988.888118][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16988.888118][ T7704] ___sys_sendmsg+0xee/0x170 [16988.888118][ T7704] __sys_sendmsg+0xcd/0x170 [16988.888118][ T7704] do_syscall_64+0xc6/0x1e0 [16988.888118][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16988.888118][ T7704] [16988.890192][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16988.890192][ T7704] netdev_get_by_index+0x5e/0x80 [16988.890192][ T7704] fib6_nh_init+0x3d8/0x15b0 [16988.890192][ T7704] ip6_route_info_create+0xf18/0x17d0 [16988.890192][ T7704] ip6_route_add+0x1c/0x140 [16988.890192][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16988.890192][ T7704] addrconf_add_dev+0xe2/0x170 [16988.890192][ T7704] inet6_addr_add+0x12f/0xa40 [16988.890192][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16988.890192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16988.890192][ T7704] netlink_rcv_skb+0x130/0x360 [16988.890192][ T7704] netlink_unicast+0x449/0x710 [16988.890192][ T7704] netlink_sendmsg+0x723/0xbe0 [16988.890192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16988.890192][ T7704] ___sys_sendmsg+0xee/0x170 [16988.890192][ T7704] __sys_sendmsg+0xcd/0x170 [16988.890192][ T7704] do_syscall_64+0xc6/0x1e0 [16988.890192][ T7704] [16988.892732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16988.892732][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16988.892732][ T7704] ipv6_find_idev+0x102/0x170 [16988.892732][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16988.892732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16988.892732][ T7704] netlink_rcv_skb+0x130/0x360 [16988.892732][ T7704] netlink_unicast+0x449/0x710 [16988.892732][ T7704] netlink_sendmsg+0x723/0xbe0 [16988.892732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16988.892732][ T7704] ___sys_sendmsg+0xee/0x170 [16988.892732][ T7704] __sys_sendmsg+0xcd/0x170 [16988.892732][ T7704] do_syscall_64+0xc6/0x1e0 [16988.892732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16988.892732][ T7704] [16988.894501][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16988.894501][ T7704] neigh_parms_alloc+0x1e5/0x510 [16988.894501][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16988.894501][ T7704] ipv6_find_idev+0x102/0x170 [16988.894501][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16988.894501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16988.894501][ T7704] netlink_rcv_skb+0x130/0x360 [16988.894501][ T7704] netlink_unicast+0x449/0x710 [16988.894501][ T7704] netlink_sendmsg+0x723/0xbe0 [16988.894501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16988.894501][ T7704] ___sys_sendmsg+0xee/0x170 [16988.894501][ T7704] __sys_sendmsg+0xcd/0x170 [16988.894501][ T7704] do_syscall_64+0xc6/0x1e0 [16988.894501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16988.894501][ T7704] [16999.132888][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [16999.134093][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16999.134093][ T7704] netdev_get_by_index+0x5e/0x80 [16999.134093][ T7704] fib6_nh_init+0x3d8/0x15b0 [16999.134093][ T7704] ip6_route_info_create+0xf18/0x17d0 [16999.134093][ T7704] ip6_route_add+0x1c/0x140 [16999.134093][ T7704] addrconf_prefix_route+0x2a6/0x430 [16999.134093][ T7704] inet6_addr_add+0x4f8/0xa40 [16999.134093][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16999.134093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16999.134093][ T7704] netlink_rcv_skb+0x130/0x360 [16999.134093][ T7704] netlink_unicast+0x449/0x710 [16999.134093][ T7704] netlink_sendmsg+0x723/0xbe0 [16999.134093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16999.134093][ T7704] ___sys_sendmsg+0xee/0x170 [16999.134093][ T7704] __sys_sendmsg+0xcd/0x170 [16999.134093][ T7704] do_syscall_64+0xc6/0x1e0 [16999.134093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16999.134093][ T7704] [16999.136230][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16999.136230][ T7704] netdev_get_by_index+0x5e/0x80 [16999.136230][ T7704] fib6_nh_init+0x3d8/0x15b0 [16999.136230][ T7704] ip6_route_info_create+0xf18/0x17d0 [16999.136230][ T7704] addrconf_f6i_alloc+0x315/0x560 [16999.136230][ T7704] ipv6_add_addr+0x411/0x2000 [16999.136230][ T7704] inet6_addr_add+0x30e/0xa40 [16999.136230][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16999.136230][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16999.136230][ T7704] netlink_rcv_skb+0x130/0x360 [16999.136230][ T7704] netlink_unicast+0x449/0x710 [16999.136230][ T7704] netlink_sendmsg+0x723/0xbe0 [16999.136230][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16999.136230][ T7704] ___sys_sendmsg+0xee/0x170 [16999.136230][ T7704] __sys_sendmsg+0xcd/0x170 [16999.136230][ T7704] do_syscall_64+0xc6/0x1e0 [16999.136230][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16999.136230][ T7704] [16999.138306][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16999.138306][ T7704] netdev_get_by_index+0x5e/0x80 [16999.138306][ T7704] fib6_nh_init+0x3d8/0x15b0 [16999.138306][ T7704] ip6_route_info_create+0xf18/0x17d0 [16999.138306][ T7704] ip6_route_add+0x1c/0x140 [16999.138306][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [16999.138306][ T7704] addrconf_add_dev+0xe2/0x170 [16999.138306][ T7704] inet6_addr_add+0x12f/0xa40 [16999.138306][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [16999.138306][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16999.138306][ T7704] netlink_rcv_skb+0x130/0x360 [16999.138306][ T7704] netlink_unicast+0x449/0x710 [16999.138306][ T7704] netlink_sendmsg+0x723/0xbe0 [16999.138306][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16999.138306][ T7704] ___sys_sendmsg+0xee/0x170 [16999.138306][ T7704] __sys_sendmsg+0xcd/0x170 [16999.138306][ T7704] do_syscall_64+0xc6/0x1e0 [16999.138306][ T7704] [16999.140433][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16999.140433][ T7704] ipv6_add_dev+0x3b9/0x11c0 [16999.140433][ T7704] ipv6_find_idev+0x102/0x170 [16999.140433][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16999.140433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16999.140433][ T7704] netlink_rcv_skb+0x130/0x360 [16999.140433][ T7704] netlink_unicast+0x449/0x710 [16999.140433][ T7704] netlink_sendmsg+0x723/0xbe0 [16999.140433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16999.140433][ T7704] ___sys_sendmsg+0xee/0x170 [16999.140433][ T7704] __sys_sendmsg+0xcd/0x170 [16999.140433][ T7704] do_syscall_64+0xc6/0x1e0 [16999.140433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16999.140433][ T7704] [16999.142021][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [16999.142021][ T7704] neigh_parms_alloc+0x1e5/0x510 [16999.142021][ T7704] ipv6_add_dev+0x2fd/0x11c0 [16999.142021][ T7704] ipv6_find_idev+0x102/0x170 [16999.142021][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [16999.142021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [16999.142021][ T7704] netlink_rcv_skb+0x130/0x360 [16999.142021][ T7704] netlink_unicast+0x449/0x710 [16999.142021][ T7704] netlink_sendmsg+0x723/0xbe0 [16999.142021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [16999.142021][ T7704] ___sys_sendmsg+0xee/0x170 [16999.142021][ T7704] __sys_sendmsg+0xcd/0x170 [16999.142021][ T7704] do_syscall_64+0xc6/0x1e0 [16999.142021][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [16999.142021][ T7704] [17009.148802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17009.149319][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17009.149319][ T7704] netdev_get_by_index+0x5e/0x80 [17009.149319][ T7704] fib6_nh_init+0x3d8/0x15b0 [17009.149319][ T7704] ip6_route_info_create+0xf18/0x17d0 [17009.149319][ T7704] ip6_route_add+0x1c/0x140 [17009.149319][ T7704] addrconf_prefix_route+0x2a6/0x430 [17009.149319][ T7704] inet6_addr_add+0x4f8/0xa40 [17009.149319][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17009.149319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17009.149319][ T7704] netlink_rcv_skb+0x130/0x360 [17009.149319][ T7704] netlink_unicast+0x449/0x710 [17009.149319][ T7704] netlink_sendmsg+0x723/0xbe0 [17009.149319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17009.149319][ T7704] ___sys_sendmsg+0xee/0x170 [17009.149319][ T7704] __sys_sendmsg+0xcd/0x170 [17009.149319][ T7704] do_syscall_64+0xc6/0x1e0 [17009.149319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17009.149319][ T7704] [17009.151545][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17009.151545][ T7704] netdev_get_by_index+0x5e/0x80 [17009.151545][ T7704] fib6_nh_init+0x3d8/0x15b0 [17009.151545][ T7704] ip6_route_info_create+0xf18/0x17d0 [17009.151545][ T7704] addrconf_f6i_alloc+0x315/0x560 [17009.151545][ T7704] ipv6_add_addr+0x411/0x2000 [17009.151545][ T7704] inet6_addr_add+0x30e/0xa40 [17009.151545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17009.151545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17009.151545][ T7704] netlink_rcv_skb+0x130/0x360 [17009.151545][ T7704] netlink_unicast+0x449/0x710 [17009.151545][ T7704] netlink_sendmsg+0x723/0xbe0 [17009.151545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17009.151545][ T7704] ___sys_sendmsg+0xee/0x170 [17009.151545][ T7704] __sys_sendmsg+0xcd/0x170 [17009.151545][ T7704] do_syscall_64+0xc6/0x1e0 [17009.151545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17009.151545][ T7704] [17009.153768][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17009.153768][ T7704] netdev_get_by_index+0x5e/0x80 [17009.153768][ T7704] fib6_nh_init+0x3d8/0x15b0 [17009.153768][ T7704] ip6_route_info_create+0xf18/0x17d0 [17009.153768][ T7704] ip6_route_add+0x1c/0x140 [17009.153768][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17009.153768][ T7704] addrconf_add_dev+0xe2/0x170 [17009.153768][ T7704] inet6_addr_add+0x12f/0xa40 [17009.153768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17009.153768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17009.153768][ T7704] netlink_rcv_skb+0x130/0x360 [17009.153768][ T7704] netlink_unicast+0x449/0x710 [17009.153768][ T7704] netlink_sendmsg+0x723/0xbe0 [17009.153768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17009.153768][ T7704] ___sys_sendmsg+0xee/0x170 [17009.153768][ T7704] __sys_sendmsg+0xcd/0x170 [17009.153768][ T7704] do_syscall_64+0xc6/0x1e0 [17009.153768][ T7704] [17009.155942][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17009.155942][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17009.155942][ T7704] ipv6_find_idev+0x102/0x170 [17009.155942][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17009.155942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17009.155942][ T7704] netlink_rcv_skb+0x130/0x360 [17009.155942][ T7704] netlink_unicast+0x449/0x710 [17009.155942][ T7704] netlink_sendmsg+0x723/0xbe0 [17009.155942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17009.155942][ T7704] ___sys_sendmsg+0xee/0x170 [17009.155942][ T7704] __sys_sendmsg+0xcd/0x170 [17009.155942][ T7704] do_syscall_64+0xc6/0x1e0 [17009.155942][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17009.155942][ T7704] [17009.157601][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17009.157601][ T7704] neigh_parms_alloc+0x1e5/0x510 [17009.157601][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17009.157601][ T7704] ipv6_find_idev+0x102/0x170 [17009.157601][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17009.157601][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17009.157601][ T7704] netlink_rcv_skb+0x130/0x360 [17009.157601][ T7704] netlink_unicast+0x449/0x710 [17009.157601][ T7704] netlink_sendmsg+0x723/0xbe0 [17009.157601][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17009.157601][ T7704] ___sys_sendmsg+0xee/0x170 [17009.157601][ T7704] __sys_sendmsg+0xcd/0x170 [17009.157601][ T7704] do_syscall_64+0xc6/0x1e0 [17009.157601][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17009.157601][ T7704] [17019.164810][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17019.165332][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17019.165332][ T7704] netdev_get_by_index+0x5e/0x80 [17019.165332][ T7704] fib6_nh_init+0x3d8/0x15b0 [17019.165332][ T7704] ip6_route_info_create+0xf18/0x17d0 [17019.165332][ T7704] ip6_route_add+0x1c/0x140 [17019.165332][ T7704] addrconf_prefix_route+0x2a6/0x430 [17019.165332][ T7704] inet6_addr_add+0x4f8/0xa40 [17019.165332][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17019.165332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17019.165332][ T7704] netlink_rcv_skb+0x130/0x360 [17019.165332][ T7704] netlink_unicast+0x449/0x710 [17019.165332][ T7704] netlink_sendmsg+0x723/0xbe0 [17019.165332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17019.165332][ T7704] ___sys_sendmsg+0xee/0x170 [17019.165332][ T7704] __sys_sendmsg+0xcd/0x170 [17019.165332][ T7704] do_syscall_64+0xc6/0x1e0 [17019.165332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17019.165332][ T7704] [17019.167524][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17019.167524][ T7704] netdev_get_by_index+0x5e/0x80 [17019.167524][ T7704] fib6_nh_init+0x3d8/0x15b0 [17019.167524][ T7704] ip6_route_info_create+0xf18/0x17d0 [17019.167524][ T7704] addrconf_f6i_alloc+0x315/0x560 [17019.167524][ T7704] ipv6_add_addr+0x411/0x2000 [17019.167524][ T7704] inet6_addr_add+0x30e/0xa40 [17019.167524][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17019.167524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17019.167524][ T7704] netlink_rcv_skb+0x130/0x360 [17019.167524][ T7704] netlink_unicast+0x449/0x710 [17019.167524][ T7704] netlink_sendmsg+0x723/0xbe0 [17019.167524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17019.167524][ T7704] ___sys_sendmsg+0xee/0x170 [17019.167524][ T7704] __sys_sendmsg+0xcd/0x170 [17019.167524][ T7704] do_syscall_64+0xc6/0x1e0 [17019.167524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17019.167524][ T7704] [17019.169675][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17019.169675][ T7704] netdev_get_by_index+0x5e/0x80 [17019.169675][ T7704] fib6_nh_init+0x3d8/0x15b0 [17019.169675][ T7704] ip6_route_info_create+0xf18/0x17d0 [17019.169675][ T7704] ip6_route_add+0x1c/0x140 [17019.169675][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17019.169675][ T7704] addrconf_add_dev+0xe2/0x170 [17019.169675][ T7704] inet6_addr_add+0x12f/0xa40 [17019.169675][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17019.169675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17019.169675][ T7704] netlink_rcv_skb+0x130/0x360 [17019.169675][ T7704] netlink_unicast+0x449/0x710 [17019.169675][ T7704] netlink_sendmsg+0x723/0xbe0 [17019.169675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17019.169675][ T7704] ___sys_sendmsg+0xee/0x170 [17019.169675][ T7704] __sys_sendmsg+0xcd/0x170 [17019.169675][ T7704] do_syscall_64+0xc6/0x1e0 [17019.169675][ T7704] [17019.171862][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17019.171862][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17019.171862][ T7704] ipv6_find_idev+0x102/0x170 [17019.171862][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17019.171862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17019.171862][ T7704] netlink_rcv_skb+0x130/0x360 [17019.171862][ T7704] netlink_unicast+0x449/0x710 [17019.171862][ T7704] netlink_sendmsg+0x723/0xbe0 [17019.171862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17019.171862][ T7704] ___sys_sendmsg+0xee/0x170 [17019.171862][ T7704] __sys_sendmsg+0xcd/0x170 [17019.171862][ T7704] do_syscall_64+0xc6/0x1e0 [17019.171862][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17019.171862][ T7704] [17019.173616][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17019.173616][ T7704] neigh_parms_alloc+0x1e5/0x510 [17019.173616][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17019.173616][ T7704] ipv6_find_idev+0x102/0x170 [17019.173616][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17019.173616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17019.173616][ T7704] netlink_rcv_skb+0x130/0x360 [17019.173616][ T7704] netlink_unicast+0x449/0x710 [17019.173616][ T7704] netlink_sendmsg+0x723/0xbe0 [17019.173616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17019.173616][ T7704] ___sys_sendmsg+0xee/0x170 [17019.173616][ T7704] __sys_sendmsg+0xcd/0x170 [17019.173616][ T7704] do_syscall_64+0xc6/0x1e0 [17019.173616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17019.173616][ T7704] [17029.412885][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17029.413460][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17029.413460][ T7704] netdev_get_by_index+0x5e/0x80 [17029.413460][ T7704] fib6_nh_init+0x3d8/0x15b0 [17029.413460][ T7704] ip6_route_info_create+0xf18/0x17d0 [17029.413460][ T7704] ip6_route_add+0x1c/0x140 [17029.413460][ T7704] addrconf_prefix_route+0x2a6/0x430 [17029.413460][ T7704] inet6_addr_add+0x4f8/0xa40 [17029.413460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17029.413460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17029.413460][ T7704] netlink_rcv_skb+0x130/0x360 [17029.413460][ T7704] netlink_unicast+0x449/0x710 [17029.413460][ T7704] netlink_sendmsg+0x723/0xbe0 [17029.413460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17029.413460][ T7704] ___sys_sendmsg+0xee/0x170 [17029.413460][ T7704] __sys_sendmsg+0xcd/0x170 [17029.413460][ T7704] do_syscall_64+0xc6/0x1e0 [17029.413460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17029.413460][ T7704] [17029.415734][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17029.415734][ T7704] netdev_get_by_index+0x5e/0x80 [17029.415734][ T7704] fib6_nh_init+0x3d8/0x15b0 [17029.415734][ T7704] ip6_route_info_create+0xf18/0x17d0 [17029.415734][ T7704] addrconf_f6i_alloc+0x315/0x560 [17029.415734][ T7704] ipv6_add_addr+0x411/0x2000 [17029.415734][ T7704] inet6_addr_add+0x30e/0xa40 [17029.415734][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17029.415734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17029.415734][ T7704] netlink_rcv_skb+0x130/0x360 [17029.415734][ T7704] netlink_unicast+0x449/0x710 [17029.415734][ T7704] netlink_sendmsg+0x723/0xbe0 [17029.415734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17029.415734][ T7704] ___sys_sendmsg+0xee/0x170 [17029.415734][ T7704] __sys_sendmsg+0xcd/0x170 [17029.415734][ T7704] do_syscall_64+0xc6/0x1e0 [17029.415734][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17029.415734][ T7704] [17029.418109][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17029.418109][ T7704] netdev_get_by_index+0x5e/0x80 [17029.418109][ T7704] fib6_nh_init+0x3d8/0x15b0 [17029.418109][ T7704] ip6_route_info_create+0xf18/0x17d0 [17029.418109][ T7704] ip6_route_add+0x1c/0x140 [17029.418109][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17029.418109][ T7704] addrconf_add_dev+0xe2/0x170 [17029.418109][ T7704] inet6_addr_add+0x12f/0xa40 [17029.418109][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17029.418109][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17029.418109][ T7704] netlink_rcv_skb+0x130/0x360 [17029.418109][ T7704] netlink_unicast+0x449/0x710 [17029.418109][ T7704] netlink_sendmsg+0x723/0xbe0 [17029.418109][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17029.418109][ T7704] ___sys_sendmsg+0xee/0x170 [17029.418109][ T7704] __sys_sendmsg+0xcd/0x170 [17029.418109][ T7704] do_syscall_64+0xc6/0x1e0 [17029.418109][ T7704] [17029.420356][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17029.420356][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17029.420356][ T7704] ipv6_find_idev+0x102/0x170 [17029.420356][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17029.420356][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17029.420356][ T7704] netlink_rcv_skb+0x130/0x360 [17029.420356][ T7704] netlink_unicast+0x449/0x710 [17029.420356][ T7704] netlink_sendmsg+0x723/0xbe0 [17029.420356][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17029.420356][ T7704] ___sys_sendmsg+0xee/0x170 [17029.420356][ T7704] __sys_sendmsg+0xcd/0x170 [17029.420356][ T7704] do_syscall_64+0xc6/0x1e0 [17029.420356][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17029.420356][ T7704] [17029.422332][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17029.422332][ T7704] neigh_parms_alloc+0x1e5/0x510 [17029.422332][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17029.422332][ T7704] ipv6_find_idev+0x102/0x170 [17029.422332][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17029.422332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17029.422332][ T7704] netlink_rcv_skb+0x130/0x360 [17029.422332][ T7704] netlink_unicast+0x449/0x710 [17029.422332][ T7704] netlink_sendmsg+0x723/0xbe0 [17029.422332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17029.422332][ T7704] ___sys_sendmsg+0xee/0x170 [17029.422332][ T7704] __sys_sendmsg+0xcd/0x170 [17029.422332][ T7704] do_syscall_64+0xc6/0x1e0 [17029.422332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17029.422332][ T7704] [17039.652835][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17039.653386][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17039.653386][ T7704] netdev_get_by_index+0x5e/0x80 [17039.653386][ T7704] fib6_nh_init+0x3d8/0x15b0 [17039.653386][ T7704] ip6_route_info_create+0xf18/0x17d0 [17039.653386][ T7704] ip6_route_add+0x1c/0x140 [17039.653386][ T7704] addrconf_prefix_route+0x2a6/0x430 [17039.653386][ T7704] inet6_addr_add+0x4f8/0xa40 [17039.653386][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17039.653386][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17039.653386][ T7704] netlink_rcv_skb+0x130/0x360 [17039.653386][ T7704] netlink_unicast+0x449/0x710 [17039.653386][ T7704] netlink_sendmsg+0x723/0xbe0 [17039.653386][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17039.653386][ T7704] ___sys_sendmsg+0xee/0x170 [17039.653386][ T7704] __sys_sendmsg+0xcd/0x170 [17039.653386][ T7704] do_syscall_64+0xc6/0x1e0 [17039.653386][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17039.653386][ T7704] [17039.656352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17039.656352][ T7704] netdev_get_by_index+0x5e/0x80 [17039.656352][ T7704] fib6_nh_init+0x3d8/0x15b0 [17039.656352][ T7704] ip6_route_info_create+0xf18/0x17d0 [17039.656352][ T7704] addrconf_f6i_alloc+0x315/0x560 [17039.656352][ T7704] ipv6_add_addr+0x411/0x2000 [17039.656352][ T7704] inet6_addr_add+0x30e/0xa40 [17039.656352][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17039.656352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17039.656352][ T7704] netlink_rcv_skb+0x130/0x360 [17039.656352][ T7704] netlink_unicast+0x449/0x710 [17039.656352][ T7704] netlink_sendmsg+0x723/0xbe0 [17039.656352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17039.656352][ T7704] ___sys_sendmsg+0xee/0x170 [17039.656352][ T7704] __sys_sendmsg+0xcd/0x170 [17039.656352][ T7704] do_syscall_64+0xc6/0x1e0 [17039.656352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17039.656352][ T7704] [17039.658825][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17039.658825][ T7704] netdev_get_by_index+0x5e/0x80 [17039.658825][ T7704] fib6_nh_init+0x3d8/0x15b0 [17039.658825][ T7704] ip6_route_info_create+0xf18/0x17d0 [17039.658825][ T7704] ip6_route_add+0x1c/0x140 [17039.658825][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17039.658825][ T7704] addrconf_add_dev+0xe2/0x170 [17039.658825][ T7704] inet6_addr_add+0x12f/0xa40 [17039.658825][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17039.658825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17039.658825][ T7704] netlink_rcv_skb+0x130/0x360 [17039.658825][ T7704] netlink_unicast+0x449/0x710 [17039.658825][ T7704] netlink_sendmsg+0x723/0xbe0 [17039.658825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17039.658825][ T7704] ___sys_sendmsg+0xee/0x170 [17039.658825][ T7704] __sys_sendmsg+0xcd/0x170 [17039.658825][ T7704] do_syscall_64+0xc6/0x1e0 [17039.658825][ T7704] [17039.661170][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17039.661170][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17039.661170][ T7704] ipv6_find_idev+0x102/0x170 [17039.661170][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17039.661170][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17039.661170][ T7704] netlink_rcv_skb+0x130/0x360 [17039.661170][ T7704] netlink_unicast+0x449/0x710 [17039.661170][ T7704] netlink_sendmsg+0x723/0xbe0 [17039.661170][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17039.661170][ T7704] ___sys_sendmsg+0xee/0x170 [17039.661170][ T7704] __sys_sendmsg+0xcd/0x170 [17039.661170][ T7704] do_syscall_64+0xc6/0x1e0 [17039.661170][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17039.661170][ T7704] [17039.662970][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17039.662970][ T7704] neigh_parms_alloc+0x1e5/0x510 [17039.662970][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17039.662970][ T7704] ipv6_find_idev+0x102/0x170 [17039.662970][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17039.662970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17039.662970][ T7704] netlink_rcv_skb+0x130/0x360 [17039.662970][ T7704] netlink_unicast+0x449/0x710 [17039.662970][ T7704] netlink_sendmsg+0x723/0xbe0 [17039.662970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17039.662970][ T7704] ___sys_sendmsg+0xee/0x170 [17039.662970][ T7704] __sys_sendmsg+0xcd/0x170 [17039.662970][ T7704] do_syscall_64+0xc6/0x1e0 [17039.662970][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17039.662970][ T7704] [17049.844855][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17049.845404][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17049.845404][ T7704] netdev_get_by_index+0x5e/0x80 [17049.845404][ T7704] fib6_nh_init+0x3d8/0x15b0 [17049.845404][ T7704] ip6_route_info_create+0xf18/0x17d0 [17049.845404][ T7704] ip6_route_add+0x1c/0x140 [17049.845404][ T7704] addrconf_prefix_route+0x2a6/0x430 [17049.845404][ T7704] inet6_addr_add+0x4f8/0xa40 [17049.845404][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17049.845404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17049.845404][ T7704] netlink_rcv_skb+0x130/0x360 [17049.845404][ T7704] netlink_unicast+0x449/0x710 [17049.845404][ T7704] netlink_sendmsg+0x723/0xbe0 [17049.845404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17049.845404][ T7704] ___sys_sendmsg+0xee/0x170 [17049.845404][ T7704] __sys_sendmsg+0xcd/0x170 [17049.845404][ T7704] do_syscall_64+0xc6/0x1e0 [17049.845404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17049.845404][ T7704] [17049.847803][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17049.847803][ T7704] netdev_get_by_index+0x5e/0x80 [17049.847803][ T7704] fib6_nh_init+0x3d8/0x15b0 [17049.847803][ T7704] ip6_route_info_create+0xf18/0x17d0 [17049.847803][ T7704] addrconf_f6i_alloc+0x315/0x560 [17049.847803][ T7704] ipv6_add_addr+0x411/0x2000 [17049.847803][ T7704] inet6_addr_add+0x30e/0xa40 [17049.847803][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17049.847803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17049.847803][ T7704] netlink_rcv_skb+0x130/0x360 [17049.847803][ T7704] netlink_unicast+0x449/0x710 [17049.847803][ T7704] netlink_sendmsg+0x723/0xbe0 [17049.847803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17049.847803][ T7704] ___sys_sendmsg+0xee/0x170 [17049.847803][ T7704] __sys_sendmsg+0xcd/0x170 [17049.847803][ T7704] do_syscall_64+0xc6/0x1e0 [17049.847803][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17049.847803][ T7704] [17049.850065][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17049.850065][ T7704] netdev_get_by_index+0x5e/0x80 [17049.850065][ T7704] fib6_nh_init+0x3d8/0x15b0 [17049.850065][ T7704] ip6_route_info_create+0xf18/0x17d0 [17049.850065][ T7704] ip6_route_add+0x1c/0x140 [17049.850065][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17049.850065][ T7704] addrconf_add_dev+0xe2/0x170 [17049.850065][ T7704] inet6_addr_add+0x12f/0xa40 [17049.850065][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17049.850065][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17049.850065][ T7704] netlink_rcv_skb+0x130/0x360 [17049.850065][ T7704] netlink_unicast+0x449/0x710 [17049.850065][ T7704] netlink_sendmsg+0x723/0xbe0 [17049.850065][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17049.850065][ T7704] ___sys_sendmsg+0xee/0x170 [17049.850065][ T7704] __sys_sendmsg+0xcd/0x170 [17049.850065][ T7704] do_syscall_64+0xc6/0x1e0 [17049.850065][ T7704] [17049.852524][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17049.852524][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17049.852524][ T7704] ipv6_find_idev+0x102/0x170 [17049.852524][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17049.852524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17049.852524][ T7704] netlink_rcv_skb+0x130/0x360 [17049.852524][ T7704] netlink_unicast+0x449/0x710 [17049.852524][ T7704] netlink_sendmsg+0x723/0xbe0 [17049.852524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17049.852524][ T7704] ___sys_sendmsg+0xee/0x170 [17049.852524][ T7704] __sys_sendmsg+0xcd/0x170 [17049.852524][ T7704] do_syscall_64+0xc6/0x1e0 [17049.852524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17049.852524][ T7704] [17049.854229][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17049.854229][ T7704] neigh_parms_alloc+0x1e5/0x510 [17049.854229][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17049.854229][ T7704] ipv6_find_idev+0x102/0x170 [17049.854229][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17049.854229][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17049.854229][ T7704] netlink_rcv_skb+0x130/0x360 [17049.854229][ T7704] netlink_unicast+0x449/0x710 [17049.854229][ T7704] netlink_sendmsg+0x723/0xbe0 [17049.854229][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17049.854229][ T7704] ___sys_sendmsg+0xee/0x170 [17049.854229][ T7704] __sys_sendmsg+0xcd/0x170 [17049.854229][ T7704] do_syscall_64+0xc6/0x1e0 [17049.854229][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17049.854229][ T7704] [17060.092868][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17060.093404][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17060.093404][ T7704] netdev_get_by_index+0x5e/0x80 [17060.093404][ T7704] fib6_nh_init+0x3d8/0x15b0 [17060.093404][ T7704] ip6_route_info_create+0xf18/0x17d0 [17060.093404][ T7704] ip6_route_add+0x1c/0x140 [17060.093404][ T7704] addrconf_prefix_route+0x2a6/0x430 [17060.093404][ T7704] inet6_addr_add+0x4f8/0xa40 [17060.093404][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17060.093404][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17060.093404][ T7704] netlink_rcv_skb+0x130/0x360 [17060.093404][ T7704] netlink_unicast+0x449/0x710 [17060.093404][ T7704] netlink_sendmsg+0x723/0xbe0 [17060.093404][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17060.093404][ T7704] ___sys_sendmsg+0xee/0x170 [17060.093404][ T7704] __sys_sendmsg+0xcd/0x170 [17060.093404][ T7704] do_syscall_64+0xc6/0x1e0 [17060.093404][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17060.093404][ T7704] [17060.095600][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17060.095600][ T7704] netdev_get_by_index+0x5e/0x80 [17060.095600][ T7704] fib6_nh_init+0x3d8/0x15b0 [17060.095600][ T7704] ip6_route_info_create+0xf18/0x17d0 [17060.095600][ T7704] addrconf_f6i_alloc+0x315/0x560 [17060.095600][ T7704] ipv6_add_addr+0x411/0x2000 [17060.095600][ T7704] inet6_addr_add+0x30e/0xa40 [17060.095600][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17060.095600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17060.095600][ T7704] netlink_rcv_skb+0x130/0x360 [17060.095600][ T7704] netlink_unicast+0x449/0x710 [17060.095600][ T7704] netlink_sendmsg+0x723/0xbe0 [17060.095600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17060.095600][ T7704] ___sys_sendmsg+0xee/0x170 [17060.095600][ T7704] __sys_sendmsg+0xcd/0x170 [17060.095600][ T7704] do_syscall_64+0xc6/0x1e0 [17060.095600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17060.095600][ T7704] [17060.097766][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17060.097766][ T7704] netdev_get_by_index+0x5e/0x80 [17060.097766][ T7704] fib6_nh_init+0x3d8/0x15b0 [17060.097766][ T7704] ip6_route_info_create+0xf18/0x17d0 [17060.097766][ T7704] ip6_route_add+0x1c/0x140 [17060.097766][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17060.097766][ T7704] addrconf_add_dev+0xe2/0x170 [17060.097766][ T7704] inet6_addr_add+0x12f/0xa40 [17060.097766][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17060.097766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17060.097766][ T7704] netlink_rcv_skb+0x130/0x360 [17060.097766][ T7704] netlink_unicast+0x449/0x710 [17060.097766][ T7704] netlink_sendmsg+0x723/0xbe0 [17060.097766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17060.097766][ T7704] ___sys_sendmsg+0xee/0x170 [17060.097766][ T7704] __sys_sendmsg+0xcd/0x170 [17060.097766][ T7704] do_syscall_64+0xc6/0x1e0 [17060.097766][ T7704] [17060.099945][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17060.099945][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17060.099945][ T7704] ipv6_find_idev+0x102/0x170 [17060.099945][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17060.099945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17060.099945][ T7704] netlink_rcv_skb+0x130/0x360 [17060.099945][ T7704] netlink_unicast+0x449/0x710 [17060.099945][ T7704] netlink_sendmsg+0x723/0xbe0 [17060.099945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17060.099945][ T7704] ___sys_sendmsg+0xee/0x170 [17060.099945][ T7704] __sys_sendmsg+0xcd/0x170 [17060.099945][ T7704] do_syscall_64+0xc6/0x1e0 [17060.099945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17060.099945][ T7704] [17060.101603][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17060.101603][ T7704] neigh_parms_alloc+0x1e5/0x510 [17060.101603][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17060.101603][ T7704] ipv6_find_idev+0x102/0x170 [17060.101603][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17060.101603][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17060.101603][ T7704] netlink_rcv_skb+0x130/0x360 [17060.101603][ T7704] netlink_unicast+0x449/0x710 [17060.101603][ T7704] netlink_sendmsg+0x723/0xbe0 [17060.101603][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17060.101603][ T7704] ___sys_sendmsg+0xee/0x170 [17060.101603][ T7704] __sys_sendmsg+0xcd/0x170 [17060.101603][ T7704] do_syscall_64+0xc6/0x1e0 [17060.101603][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17060.101603][ T7704] [17070.340893][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17070.341500][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17070.341500][ T7704] netdev_get_by_index+0x5e/0x80 [17070.341500][ T7704] fib6_nh_init+0x3d8/0x15b0 [17070.341500][ T7704] ip6_route_info_create+0xf18/0x17d0 [17070.341500][ T7704] ip6_route_add+0x1c/0x140 [17070.341500][ T7704] addrconf_prefix_route+0x2a6/0x430 [17070.341500][ T7704] inet6_addr_add+0x4f8/0xa40 [17070.341500][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17070.341500][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17070.341500][ T7704] netlink_rcv_skb+0x130/0x360 [17070.341500][ T7704] netlink_unicast+0x449/0x710 [17070.341500][ T7704] netlink_sendmsg+0x723/0xbe0 [17070.341500][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17070.341500][ T7704] ___sys_sendmsg+0xee/0x170 [17070.341500][ T7704] __sys_sendmsg+0xcd/0x170 [17070.341500][ T7704] do_syscall_64+0xc6/0x1e0 [17070.341500][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17070.341500][ T7704] [17070.343833][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17070.343833][ T7704] netdev_get_by_index+0x5e/0x80 [17070.343833][ T7704] fib6_nh_init+0x3d8/0x15b0 [17070.343833][ T7704] ip6_route_info_create+0xf18/0x17d0 [17070.343833][ T7704] addrconf_f6i_alloc+0x315/0x560 [17070.343833][ T7704] ipv6_add_addr+0x411/0x2000 [17070.343833][ T7704] inet6_addr_add+0x30e/0xa40 [17070.343833][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17070.343833][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17070.343833][ T7704] netlink_rcv_skb+0x130/0x360 [17070.343833][ T7704] netlink_unicast+0x449/0x710 [17070.343833][ T7704] netlink_sendmsg+0x723/0xbe0 [17070.343833][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17070.343833][ T7704] ___sys_sendmsg+0xee/0x170 [17070.343833][ T7704] __sys_sendmsg+0xcd/0x170 [17070.343833][ T7704] do_syscall_64+0xc6/0x1e0 [17070.343833][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17070.343833][ T7704] [17070.345995][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17070.345995][ T7704] netdev_get_by_index+0x5e/0x80 [17070.345995][ T7704] fib6_nh_init+0x3d8/0x15b0 [17070.345995][ T7704] ip6_route_info_create+0xf18/0x17d0 [17070.345995][ T7704] ip6_route_add+0x1c/0x140 [17070.345995][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17070.345995][ T7704] addrconf_add_dev+0xe2/0x170 [17070.345995][ T7704] inet6_addr_add+0x12f/0xa40 [17070.345995][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17070.345995][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17070.345995][ T7704] netlink_rcv_skb+0x130/0x360 [17070.345995][ T7704] netlink_unicast+0x449/0x710 [17070.345995][ T7704] netlink_sendmsg+0x723/0xbe0 [17070.345995][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17070.345995][ T7704] ___sys_sendmsg+0xee/0x170 [17070.345995][ T7704] __sys_sendmsg+0xcd/0x170 [17070.345995][ T7704] do_syscall_64+0xc6/0x1e0 [17070.345995][ T7704] [17070.348159][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17070.348159][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17070.348159][ T7704] ipv6_find_idev+0x102/0x170 [17070.348159][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17070.348159][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17070.348159][ T7704] netlink_rcv_skb+0x130/0x360 [17070.348159][ T7704] netlink_unicast+0x449/0x710 [17070.348159][ T7704] netlink_sendmsg+0x723/0xbe0 [17070.348159][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17070.348159][ T7704] ___sys_sendmsg+0xee/0x170 [17070.348159][ T7704] __sys_sendmsg+0xcd/0x170 [17070.348159][ T7704] do_syscall_64+0xc6/0x1e0 [17070.348159][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17070.348159][ T7704] [17070.349821][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17070.349821][ T7704] neigh_parms_alloc+0x1e5/0x510 [17070.349821][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17070.349821][ T7704] ipv6_find_idev+0x102/0x170 [17070.349821][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17070.349821][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17070.349821][ T7704] netlink_rcv_skb+0x130/0x360 [17070.349821][ T7704] netlink_unicast+0x449/0x710 [17070.349821][ T7704] netlink_sendmsg+0x723/0xbe0 [17070.349821][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17070.349821][ T7704] ___sys_sendmsg+0xee/0x170 [17070.349821][ T7704] __sys_sendmsg+0xcd/0x170 [17070.349821][ T7704] do_syscall_64+0xc6/0x1e0 [17070.349821][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17070.349821][ T7704] [17080.588883][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17080.590030][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17080.590030][ T7704] netdev_get_by_index+0x5e/0x80 [17080.590030][ T7704] fib6_nh_init+0x3d8/0x15b0 [17080.590030][ T7704] ip6_route_info_create+0xf18/0x17d0 [17080.590030][ T7704] ip6_route_add+0x1c/0x140 [17080.590030][ T7704] addrconf_prefix_route+0x2a6/0x430 [17080.590030][ T7704] inet6_addr_add+0x4f8/0xa40 [17080.590030][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17080.590030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17080.590030][ T7704] netlink_rcv_skb+0x130/0x360 [17080.590030][ T7704] netlink_unicast+0x449/0x710 [17080.590030][ T7704] netlink_sendmsg+0x723/0xbe0 [17080.590030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17080.590030][ T7704] ___sys_sendmsg+0xee/0x170 [17080.590030][ T7704] __sys_sendmsg+0xcd/0x170 [17080.590030][ T7704] do_syscall_64+0xc6/0x1e0 [17080.590030][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17080.590030][ T7704] [17080.592656][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17080.592656][ T7704] netdev_get_by_index+0x5e/0x80 [17080.592656][ T7704] fib6_nh_init+0x3d8/0x15b0 [17080.592656][ T7704] ip6_route_info_create+0xf18/0x17d0 [17080.592656][ T7704] addrconf_f6i_alloc+0x315/0x560 [17080.592656][ T7704] ipv6_add_addr+0x411/0x2000 [17080.592656][ T7704] inet6_addr_add+0x30e/0xa40 [17080.592656][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17080.592656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17080.592656][ T7704] netlink_rcv_skb+0x130/0x360 [17080.592656][ T7704] netlink_unicast+0x449/0x710 [17080.592656][ T7704] netlink_sendmsg+0x723/0xbe0 [17080.592656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17080.592656][ T7704] ___sys_sendmsg+0xee/0x170 [17080.592656][ T7704] __sys_sendmsg+0xcd/0x170 [17080.592656][ T7704] do_syscall_64+0xc6/0x1e0 [17080.592656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17080.592656][ T7704] [17080.595057][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17080.595057][ T7704] netdev_get_by_index+0x5e/0x80 [17080.595057][ T7704] fib6_nh_init+0x3d8/0x15b0 [17080.595057][ T7704] ip6_route_info_create+0xf18/0x17d0 [17080.595057][ T7704] ip6_route_add+0x1c/0x140 [17080.595057][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17080.595057][ T7704] addrconf_add_dev+0xe2/0x170 [17080.595057][ T7704] inet6_addr_add+0x12f/0xa40 [17080.595057][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17080.595057][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17080.595057][ T7704] netlink_rcv_skb+0x130/0x360 [17080.595057][ T7704] netlink_unicast+0x449/0x710 [17080.595057][ T7704] netlink_sendmsg+0x723/0xbe0 [17080.595057][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17080.595057][ T7704] ___sys_sendmsg+0xee/0x170 [17080.595057][ T7704] __sys_sendmsg+0xcd/0x170 [17080.595057][ T7704] do_syscall_64+0xc6/0x1e0 [17080.595057][ T7704] [17080.597430][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17080.597430][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17080.597430][ T7704] ipv6_find_idev+0x102/0x170 [17080.597430][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17080.597430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17080.597430][ T7704] netlink_rcv_skb+0x130/0x360 [17080.597430][ T7704] netlink_unicast+0x449/0x710 [17080.597430][ T7704] netlink_sendmsg+0x723/0xbe0 [17080.597430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17080.597430][ T7704] ___sys_sendmsg+0xee/0x170 [17080.597430][ T7704] __sys_sendmsg+0xcd/0x170 [17080.597430][ T7704] do_syscall_64+0xc6/0x1e0 [17080.597430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17080.597430][ T7704] [17080.599272][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17080.599272][ T7704] neigh_parms_alloc+0x1e5/0x510 [17080.599272][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17080.599272][ T7704] ipv6_find_idev+0x102/0x170 [17080.599272][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17080.599272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17080.599272][ T7704] netlink_rcv_skb+0x130/0x360 [17080.599272][ T7704] netlink_unicast+0x449/0x710 [17080.599272][ T7704] netlink_sendmsg+0x723/0xbe0 [17080.599272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17080.599272][ T7704] ___sys_sendmsg+0xee/0x170 [17080.599272][ T7704] __sys_sendmsg+0xcd/0x170 [17080.599272][ T7704] do_syscall_64+0xc6/0x1e0 [17080.599272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17080.599272][ T7704] [17090.844882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17090.845387][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17090.845387][ T7704] netdev_get_by_index+0x5e/0x80 [17090.845387][ T7704] fib6_nh_init+0x3d8/0x15b0 [17090.845387][ T7704] ip6_route_info_create+0xf18/0x17d0 [17090.845387][ T7704] ip6_route_add+0x1c/0x140 [17090.845387][ T7704] addrconf_prefix_route+0x2a6/0x430 [17090.845387][ T7704] inet6_addr_add+0x4f8/0xa40 [17090.845387][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17090.845387][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17090.845387][ T7704] netlink_rcv_skb+0x130/0x360 [17090.845387][ T7704] netlink_unicast+0x449/0x710 [17090.845387][ T7704] netlink_sendmsg+0x723/0xbe0 [17090.845387][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17090.845387][ T7704] ___sys_sendmsg+0xee/0x170 [17090.845387][ T7704] __sys_sendmsg+0xcd/0x170 [17090.845387][ T7704] do_syscall_64+0xc6/0x1e0 [17090.845387][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17090.845387][ T7704] [17090.847884][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17090.847884][ T7704] netdev_get_by_index+0x5e/0x80 [17090.847884][ T7704] fib6_nh_init+0x3d8/0x15b0 [17090.847884][ T7704] ip6_route_info_create+0xf18/0x17d0 [17090.847884][ T7704] addrconf_f6i_alloc+0x315/0x560 [17090.847884][ T7704] ipv6_add_addr+0x411/0x2000 [17090.847884][ T7704] inet6_addr_add+0x30e/0xa40 [17090.847884][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17090.847884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17090.847884][ T7704] netlink_rcv_skb+0x130/0x360 [17090.847884][ T7704] netlink_unicast+0x449/0x710 [17090.847884][ T7704] netlink_sendmsg+0x723/0xbe0 [17090.847884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17090.847884][ T7704] ___sys_sendmsg+0xee/0x170 [17090.847884][ T7704] __sys_sendmsg+0xcd/0x170 [17090.847884][ T7704] do_syscall_64+0xc6/0x1e0 [17090.847884][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17090.847884][ T7704] [17090.850255][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17090.850255][ T7704] netdev_get_by_index+0x5e/0x80 [17090.850255][ T7704] fib6_nh_init+0x3d8/0x15b0 [17090.850255][ T7704] ip6_route_info_create+0xf18/0x17d0 [17090.850255][ T7704] ip6_route_add+0x1c/0x140 [17090.850255][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17090.850255][ T7704] addrconf_add_dev+0xe2/0x170 [17090.850255][ T7704] inet6_addr_add+0x12f/0xa40 [17090.850255][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17090.850255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17090.850255][ T7704] netlink_rcv_skb+0x130/0x360 [17090.850255][ T7704] netlink_unicast+0x449/0x710 [17090.850255][ T7704] netlink_sendmsg+0x723/0xbe0 [17090.850255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17090.850255][ T7704] ___sys_sendmsg+0xee/0x170 [17090.850255][ T7704] __sys_sendmsg+0xcd/0x170 [17090.850255][ T7704] do_syscall_64+0xc6/0x1e0 [17090.850255][ T7704] [17090.852671][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17090.852671][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17090.852671][ T7704] ipv6_find_idev+0x102/0x170 [17090.852671][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17090.852671][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17090.852671][ T7704] netlink_rcv_skb+0x130/0x360 [17090.852671][ T7704] netlink_unicast+0x449/0x710 [17090.852671][ T7704] netlink_sendmsg+0x723/0xbe0 [17090.852671][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17090.852671][ T7704] ___sys_sendmsg+0xee/0x170 [17090.852671][ T7704] __sys_sendmsg+0xcd/0x170 [17090.852671][ T7704] do_syscall_64+0xc6/0x1e0 [17090.852671][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17090.852671][ T7704] [17090.854514][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17090.854514][ T7704] neigh_parms_alloc+0x1e5/0x510 [17090.854514][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17090.854514][ T7704] ipv6_find_idev+0x102/0x170 [17090.854514][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17090.854514][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17090.854514][ T7704] netlink_rcv_skb+0x130/0x360 [17090.854514][ T7704] netlink_unicast+0x449/0x710 [17090.854514][ T7704] netlink_sendmsg+0x723/0xbe0 [17090.854514][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17090.854514][ T7704] ___sys_sendmsg+0xee/0x170 [17090.854514][ T7704] __sys_sendmsg+0xcd/0x170 [17090.854514][ T7704] do_syscall_64+0xc6/0x1e0 [17090.854514][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17090.854514][ T7704] [17101.100901][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17101.102033][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17101.102033][ T7704] netdev_get_by_index+0x5e/0x80 [17101.102033][ T7704] fib6_nh_init+0x3d8/0x15b0 [17101.102033][ T7704] ip6_route_info_create+0xf18/0x17d0 [17101.102033][ T7704] ip6_route_add+0x1c/0x140 [17101.102033][ T7704] addrconf_prefix_route+0x2a6/0x430 [17101.102033][ T7704] inet6_addr_add+0x4f8/0xa40 [17101.102033][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17101.102033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17101.102033][ T7704] netlink_rcv_skb+0x130/0x360 [17101.102033][ T7704] netlink_unicast+0x449/0x710 [17101.102033][ T7704] netlink_sendmsg+0x723/0xbe0 [17101.102033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17101.102033][ T7704] ___sys_sendmsg+0xee/0x170 [17101.102033][ T7704] __sys_sendmsg+0xcd/0x170 [17101.102033][ T7704] do_syscall_64+0xc6/0x1e0 [17101.102033][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17101.102033][ T7704] [17101.104454][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17101.104454][ T7704] netdev_get_by_index+0x5e/0x80 [17101.104454][ T7704] fib6_nh_init+0x3d8/0x15b0 [17101.104454][ T7704] ip6_route_info_create+0xf18/0x17d0 [17101.104454][ T7704] addrconf_f6i_alloc+0x315/0x560 [17101.104454][ T7704] ipv6_add_addr+0x411/0x2000 [17101.104454][ T7704] inet6_addr_add+0x30e/0xa40 [17101.104454][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17101.104454][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17101.104454][ T7704] netlink_rcv_skb+0x130/0x360 [17101.104454][ T7704] netlink_unicast+0x449/0x710 [17101.104454][ T7704] netlink_sendmsg+0x723/0xbe0 [17101.104454][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17101.104454][ T7704] ___sys_sendmsg+0xee/0x170 [17101.104454][ T7704] __sys_sendmsg+0xcd/0x170 [17101.104454][ T7704] do_syscall_64+0xc6/0x1e0 [17101.104454][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17101.104454][ T7704] [17101.106845][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17101.106845][ T7704] netdev_get_by_index+0x5e/0x80 [17101.106845][ T7704] fib6_nh_init+0x3d8/0x15b0 [17101.106845][ T7704] ip6_route_info_create+0xf18/0x17d0 [17101.106845][ T7704] ip6_route_add+0x1c/0x140 [17101.106845][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17101.106845][ T7704] addrconf_add_dev+0xe2/0x170 [17101.106845][ T7704] inet6_addr_add+0x12f/0xa40 [17101.106845][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17101.106845][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17101.106845][ T7704] netlink_rcv_skb+0x130/0x360 [17101.106845][ T7704] netlink_unicast+0x449/0x710 [17101.106845][ T7704] netlink_sendmsg+0x723/0xbe0 [17101.106845][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17101.106845][ T7704] ___sys_sendmsg+0xee/0x170 [17101.106845][ T7704] __sys_sendmsg+0xcd/0x170 [17101.106845][ T7704] do_syscall_64+0xc6/0x1e0 [17101.106845][ T7704] [17101.109173][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17101.109173][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17101.109173][ T7704] ipv6_find_idev+0x102/0x170 [17101.109173][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17101.109173][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17101.109173][ T7704] netlink_rcv_skb+0x130/0x360 [17101.109173][ T7704] netlink_unicast+0x449/0x710 [17101.109173][ T7704] netlink_sendmsg+0x723/0xbe0 [17101.109173][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17101.109173][ T7704] ___sys_sendmsg+0xee/0x170 [17101.109173][ T7704] __sys_sendmsg+0xcd/0x170 [17101.109173][ T7704] do_syscall_64+0xc6/0x1e0 [17101.109173][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17101.109173][ T7704] [17101.110993][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17101.110993][ T7704] neigh_parms_alloc+0x1e5/0x510 [17101.110993][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17101.110993][ T7704] ipv6_find_idev+0x102/0x170 [17101.110993][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17101.110993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17101.110993][ T7704] netlink_rcv_skb+0x130/0x360 [17101.110993][ T7704] netlink_unicast+0x449/0x710 [17101.110993][ T7704] netlink_sendmsg+0x723/0xbe0 [17101.110993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17101.110993][ T7704] ___sys_sendmsg+0xee/0x170 [17101.110993][ T7704] __sys_sendmsg+0xcd/0x170 [17101.110993][ T7704] do_syscall_64+0xc6/0x1e0 [17101.110993][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17101.110993][ T7704] [17111.332807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17111.333342][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17111.333342][ T7704] netdev_get_by_index+0x5e/0x80 [17111.333342][ T7704] fib6_nh_init+0x3d8/0x15b0 [17111.333342][ T7704] ip6_route_info_create+0xf18/0x17d0 [17111.333342][ T7704] ip6_route_add+0x1c/0x140 [17111.333342][ T7704] addrconf_prefix_route+0x2a6/0x430 [17111.333342][ T7704] inet6_addr_add+0x4f8/0xa40 [17111.333342][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17111.333342][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17111.333342][ T7704] netlink_rcv_skb+0x130/0x360 [17111.333342][ T7704] netlink_unicast+0x449/0x710 [17111.333342][ T7704] netlink_sendmsg+0x723/0xbe0 [17111.333342][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17111.333342][ T7704] ___sys_sendmsg+0xee/0x170 [17111.333342][ T7704] __sys_sendmsg+0xcd/0x170 [17111.333342][ T7704] do_syscall_64+0xc6/0x1e0 [17111.333342][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17111.333342][ T7704] [17111.335661][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17111.335661][ T7704] netdev_get_by_index+0x5e/0x80 [17111.335661][ T7704] fib6_nh_init+0x3d8/0x15b0 [17111.335661][ T7704] ip6_route_info_create+0xf18/0x17d0 [17111.335661][ T7704] addrconf_f6i_alloc+0x315/0x560 [17111.335661][ T7704] ipv6_add_addr+0x411/0x2000 [17111.335661][ T7704] inet6_addr_add+0x30e/0xa40 [17111.335661][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17111.335661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17111.335661][ T7704] netlink_rcv_skb+0x130/0x360 [17111.335661][ T7704] netlink_unicast+0x449/0x710 [17111.335661][ T7704] netlink_sendmsg+0x723/0xbe0 [17111.335661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17111.335661][ T7704] ___sys_sendmsg+0xee/0x170 [17111.335661][ T7704] __sys_sendmsg+0xcd/0x170 [17111.335661][ T7704] do_syscall_64+0xc6/0x1e0 [17111.335661][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17111.335661][ T7704] [17111.337920][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17111.337920][ T7704] netdev_get_by_index+0x5e/0x80 [17111.337920][ T7704] fib6_nh_init+0x3d8/0x15b0 [17111.337920][ T7704] ip6_route_info_create+0xf18/0x17d0 [17111.337920][ T7704] ip6_route_add+0x1c/0x140 [17111.337920][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17111.337920][ T7704] addrconf_add_dev+0xe2/0x170 [17111.337920][ T7704] inet6_addr_add+0x12f/0xa40 [17111.337920][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17111.337920][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17111.337920][ T7704] netlink_rcv_skb+0x130/0x360 [17111.337920][ T7704] netlink_unicast+0x449/0x710 [17111.337920][ T7704] netlink_sendmsg+0x723/0xbe0 [17111.337920][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17111.337920][ T7704] ___sys_sendmsg+0xee/0x170 [17111.337920][ T7704] __sys_sendmsg+0xcd/0x170 [17111.337920][ T7704] do_syscall_64+0xc6/0x1e0 [17111.337920][ T7704] [17111.340146][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17111.340146][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17111.340146][ T7704] ipv6_find_idev+0x102/0x170 [17111.340146][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17111.340146][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17111.340146][ T7704] netlink_rcv_skb+0x130/0x360 [17111.340146][ T7704] netlink_unicast+0x449/0x710 [17111.340146][ T7704] netlink_sendmsg+0x723/0xbe0 [17111.340146][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17111.340146][ T7704] ___sys_sendmsg+0xee/0x170 [17111.340146][ T7704] __sys_sendmsg+0xcd/0x170 [17111.340146][ T7704] do_syscall_64+0xc6/0x1e0 [17111.340146][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17111.340146][ T7704] [17111.341876][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17111.341876][ T7704] neigh_parms_alloc+0x1e5/0x510 [17111.341876][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17111.341876][ T7704] ipv6_find_idev+0x102/0x170 [17111.341876][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17111.341876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17111.341876][ T7704] netlink_rcv_skb+0x130/0x360 [17111.341876][ T7704] netlink_unicast+0x449/0x710 [17111.341876][ T7704] netlink_sendmsg+0x723/0xbe0 [17111.341876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17111.341876][ T7704] ___sys_sendmsg+0xee/0x170 [17111.341876][ T7704] __sys_sendmsg+0xcd/0x170 [17111.341876][ T7704] do_syscall_64+0xc6/0x1e0 [17111.341876][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17111.341876][ T7704] [17121.444872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17121.446003][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17121.446003][ T7704] netdev_get_by_index+0x5e/0x80 [17121.446003][ T7704] fib6_nh_init+0x3d8/0x15b0 [17121.446003][ T7704] ip6_route_info_create+0xf18/0x17d0 [17121.446003][ T7704] ip6_route_add+0x1c/0x140 [17121.446003][ T7704] addrconf_prefix_route+0x2a6/0x430 [17121.446003][ T7704] inet6_addr_add+0x4f8/0xa40 [17121.446003][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17121.446003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17121.446003][ T7704] netlink_rcv_skb+0x130/0x360 [17121.446003][ T7704] netlink_unicast+0x449/0x710 [17121.446003][ T7704] netlink_sendmsg+0x723/0xbe0 [17121.446003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17121.446003][ T7704] ___sys_sendmsg+0xee/0x170 [17121.446003][ T7704] __sys_sendmsg+0xcd/0x170 [17121.446003][ T7704] do_syscall_64+0xc6/0x1e0 [17121.446003][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17121.446003][ T7704] [17121.448473][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17121.448473][ T7704] netdev_get_by_index+0x5e/0x80 [17121.448473][ T7704] fib6_nh_init+0x3d8/0x15b0 [17121.448473][ T7704] ip6_route_info_create+0xf18/0x17d0 [17121.448473][ T7704] addrconf_f6i_alloc+0x315/0x560 [17121.448473][ T7704] ipv6_add_addr+0x411/0x2000 [17121.448473][ T7704] inet6_addr_add+0x30e/0xa40 [17121.448473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17121.448473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17121.448473][ T7704] netlink_rcv_skb+0x130/0x360 [17121.448473][ T7704] netlink_unicast+0x449/0x710 [17121.448473][ T7704] netlink_sendmsg+0x723/0xbe0 [17121.448473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17121.448473][ T7704] ___sys_sendmsg+0xee/0x170 [17121.448473][ T7704] __sys_sendmsg+0xcd/0x170 [17121.448473][ T7704] do_syscall_64+0xc6/0x1e0 [17121.448473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17121.448473][ T7704] [17121.450727][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17121.450727][ T7704] netdev_get_by_index+0x5e/0x80 [17121.450727][ T7704] fib6_nh_init+0x3d8/0x15b0 [17121.450727][ T7704] ip6_route_info_create+0xf18/0x17d0 [17121.450727][ T7704] ip6_route_add+0x1c/0x140 [17121.450727][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17121.450727][ T7704] addrconf_add_dev+0xe2/0x170 [17121.450727][ T7704] inet6_addr_add+0x12f/0xa40 [17121.450727][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17121.450727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17121.450727][ T7704] netlink_rcv_skb+0x130/0x360 [17121.450727][ T7704] netlink_unicast+0x449/0x710 [17121.450727][ T7704] netlink_sendmsg+0x723/0xbe0 [17121.450727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17121.450727][ T7704] ___sys_sendmsg+0xee/0x170 [17121.450727][ T7704] __sys_sendmsg+0xcd/0x170 [17121.450727][ T7704] do_syscall_64+0xc6/0x1e0 [17121.450727][ T7704] [17121.453026][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17121.453026][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17121.453026][ T7704] ipv6_find_idev+0x102/0x170 [17121.453026][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17121.453026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17121.453026][ T7704] netlink_rcv_skb+0x130/0x360 [17121.453026][ T7704] netlink_unicast+0x449/0x710 [17121.453026][ T7704] netlink_sendmsg+0x723/0xbe0 [17121.453026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17121.453026][ T7704] ___sys_sendmsg+0xee/0x170 [17121.453026][ T7704] __sys_sendmsg+0xcd/0x170 [17121.453026][ T7704] do_syscall_64+0xc6/0x1e0 [17121.453026][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17121.453026][ T7704] [17121.454828][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17121.454828][ T7704] neigh_parms_alloc+0x1e5/0x510 [17121.454828][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17121.454828][ T7704] ipv6_find_idev+0x102/0x170 [17121.454828][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17121.454828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17121.454828][ T7704] netlink_rcv_skb+0x130/0x360 [17121.454828][ T7704] netlink_unicast+0x449/0x710 [17121.454828][ T7704] netlink_sendmsg+0x723/0xbe0 [17121.454828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17121.454828][ T7704] ___sys_sendmsg+0xee/0x170 [17121.454828][ T7704] __sys_sendmsg+0xcd/0x170 [17121.454828][ T7704] do_syscall_64+0xc6/0x1e0 [17121.454828][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17121.454828][ T7704] [17131.708801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17131.709313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17131.709313][ T7704] netdev_get_by_index+0x5e/0x80 [17131.709313][ T7704] fib6_nh_init+0x3d8/0x15b0 [17131.709313][ T7704] ip6_route_info_create+0xf18/0x17d0 [17131.709313][ T7704] ip6_route_add+0x1c/0x140 [17131.709313][ T7704] addrconf_prefix_route+0x2a6/0x430 [17131.709313][ T7704] inet6_addr_add+0x4f8/0xa40 [17131.709313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17131.709313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17131.709313][ T7704] netlink_rcv_skb+0x130/0x360 [17131.709313][ T7704] netlink_unicast+0x449/0x710 [17131.709313][ T7704] netlink_sendmsg+0x723/0xbe0 [17131.709313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17131.709313][ T7704] ___sys_sendmsg+0xee/0x170 [17131.709313][ T7704] __sys_sendmsg+0xcd/0x170 [17131.709313][ T7704] do_syscall_64+0xc6/0x1e0 [17131.709313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17131.709313][ T7704] [17131.711700][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17131.711700][ T7704] netdev_get_by_index+0x5e/0x80 [17131.711700][ T7704] fib6_nh_init+0x3d8/0x15b0 [17131.711700][ T7704] ip6_route_info_create+0xf18/0x17d0 [17131.711700][ T7704] addrconf_f6i_alloc+0x315/0x560 [17131.711700][ T7704] ipv6_add_addr+0x411/0x2000 [17131.711700][ T7704] inet6_addr_add+0x30e/0xa40 [17131.711700][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17131.711700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17131.711700][ T7704] netlink_rcv_skb+0x130/0x360 [17131.711700][ T7704] netlink_unicast+0x449/0x710 [17131.711700][ T7704] netlink_sendmsg+0x723/0xbe0 [17131.711700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17131.711700][ T7704] ___sys_sendmsg+0xee/0x170 [17131.711700][ T7704] __sys_sendmsg+0xcd/0x170 [17131.711700][ T7704] do_syscall_64+0xc6/0x1e0 [17131.711700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17131.711700][ T7704] [17131.714144][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17131.714144][ T7704] netdev_get_by_index+0x5e/0x80 [17131.714144][ T7704] fib6_nh_init+0x3d8/0x15b0 [17131.714144][ T7704] ip6_route_info_create+0xf18/0x17d0 [17131.714144][ T7704] ip6_route_add+0x1c/0x140 [17131.714144][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17131.714144][ T7704] addrconf_add_dev+0xe2/0x170 [17131.714144][ T7704] inet6_addr_add+0x12f/0xa40 [17131.714144][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17131.714144][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17131.714144][ T7704] netlink_rcv_skb+0x130/0x360 [17131.714144][ T7704] netlink_unicast+0x449/0x710 [17131.714144][ T7704] netlink_sendmsg+0x723/0xbe0 [17131.714144][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17131.714144][ T7704] ___sys_sendmsg+0xee/0x170 [17131.714144][ T7704] __sys_sendmsg+0xcd/0x170 [17131.714144][ T7704] do_syscall_64+0xc6/0x1e0 [17131.714144][ T7704] [17131.716482][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17131.716482][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17131.716482][ T7704] ipv6_find_idev+0x102/0x170 [17131.716482][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17131.716482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17131.716482][ T7704] netlink_rcv_skb+0x130/0x360 [17131.716482][ T7704] netlink_unicast+0x449/0x710 [17131.716482][ T7704] netlink_sendmsg+0x723/0xbe0 [17131.716482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17131.716482][ T7704] ___sys_sendmsg+0xee/0x170 [17131.716482][ T7704] __sys_sendmsg+0xcd/0x170 [17131.716482][ T7704] do_syscall_64+0xc6/0x1e0 [17131.716482][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17131.716482][ T7704] [17131.718326][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17131.718326][ T7704] neigh_parms_alloc+0x1e5/0x510 [17131.718326][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17131.718326][ T7704] ipv6_find_idev+0x102/0x170 [17131.718326][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17131.718326][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17131.718326][ T7704] netlink_rcv_skb+0x130/0x360 [17131.718326][ T7704] netlink_unicast+0x449/0x710 [17131.718326][ T7704] netlink_sendmsg+0x723/0xbe0 [17131.718326][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17131.718326][ T7704] ___sys_sendmsg+0xee/0x170 [17131.718326][ T7704] __sys_sendmsg+0xcd/0x170 [17131.718326][ T7704] do_syscall_64+0xc6/0x1e0 [17131.718326][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17131.718326][ T7704] [17141.964834][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17141.965410][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17141.965410][ T7704] netdev_get_by_index+0x5e/0x80 [17141.965410][ T7704] fib6_nh_init+0x3d8/0x15b0 [17141.965410][ T7704] ip6_route_info_create+0xf18/0x17d0 [17141.965410][ T7704] ip6_route_add+0x1c/0x140 [17141.965410][ T7704] addrconf_prefix_route+0x2a6/0x430 [17141.965410][ T7704] inet6_addr_add+0x4f8/0xa40 [17141.965410][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17141.965410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17141.965410][ T7704] netlink_rcv_skb+0x130/0x360 [17141.965410][ T7704] netlink_unicast+0x449/0x710 [17141.965410][ T7704] netlink_sendmsg+0x723/0xbe0 [17141.965410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17141.965410][ T7704] ___sys_sendmsg+0xee/0x170 [17141.965410][ T7704] __sys_sendmsg+0xcd/0x170 [17141.965410][ T7704] do_syscall_64+0xc6/0x1e0 [17141.965410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17141.965410][ T7704] [17141.967780][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17141.967780][ T7704] netdev_get_by_index+0x5e/0x80 [17141.967780][ T7704] fib6_nh_init+0x3d8/0x15b0 [17141.967780][ T7704] ip6_route_info_create+0xf18/0x17d0 [17141.967780][ T7704] addrconf_f6i_alloc+0x315/0x560 [17141.967780][ T7704] ipv6_add_addr+0x411/0x2000 [17141.967780][ T7704] inet6_addr_add+0x30e/0xa40 [17141.967780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17141.967780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17141.967780][ T7704] netlink_rcv_skb+0x130/0x360 [17141.967780][ T7704] netlink_unicast+0x449/0x710 [17141.967780][ T7704] netlink_sendmsg+0x723/0xbe0 [17141.967780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17141.967780][ T7704] ___sys_sendmsg+0xee/0x170 [17141.967780][ T7704] __sys_sendmsg+0xcd/0x170 [17141.967780][ T7704] do_syscall_64+0xc6/0x1e0 [17141.967780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17141.967780][ T7704] [17141.970152][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17141.970152][ T7704] netdev_get_by_index+0x5e/0x80 [17141.970152][ T7704] fib6_nh_init+0x3d8/0x15b0 [17141.970152][ T7704] ip6_route_info_create+0xf18/0x17d0 [17141.970152][ T7704] ip6_route_add+0x1c/0x140 [17141.970152][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17141.970152][ T7704] addrconf_add_dev+0xe2/0x170 [17141.970152][ T7704] inet6_addr_add+0x12f/0xa40 [17141.970152][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17141.970152][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17141.970152][ T7704] netlink_rcv_skb+0x130/0x360 [17141.970152][ T7704] netlink_unicast+0x449/0x710 [17141.970152][ T7704] netlink_sendmsg+0x723/0xbe0 [17141.970152][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17141.970152][ T7704] ___sys_sendmsg+0xee/0x170 [17141.970152][ T7704] __sys_sendmsg+0xcd/0x170 [17141.970152][ T7704] do_syscall_64+0xc6/0x1e0 [17141.970152][ T7704] [17141.972598][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17141.972598][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17141.972598][ T7704] ipv6_find_idev+0x102/0x170 [17141.972598][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17141.972598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17141.972598][ T7704] netlink_rcv_skb+0x130/0x360 [17141.972598][ T7704] netlink_unicast+0x449/0x710 [17141.972598][ T7704] netlink_sendmsg+0x723/0xbe0 [17141.972598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17141.972598][ T7704] ___sys_sendmsg+0xee/0x170 [17141.972598][ T7704] __sys_sendmsg+0xcd/0x170 [17141.972598][ T7704] do_syscall_64+0xc6/0x1e0 [17141.972598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17141.972598][ T7704] [17141.974415][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17141.974415][ T7704] neigh_parms_alloc+0x1e5/0x510 [17141.974415][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17141.974415][ T7704] ipv6_find_idev+0x102/0x170 [17141.974415][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17141.974415][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17141.974415][ T7704] netlink_rcv_skb+0x130/0x360 [17141.974415][ T7704] netlink_unicast+0x449/0x710 [17141.974415][ T7704] netlink_sendmsg+0x723/0xbe0 [17141.974415][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17141.974415][ T7704] ___sys_sendmsg+0xee/0x170 [17141.974415][ T7704] __sys_sendmsg+0xcd/0x170 [17141.974415][ T7704] do_syscall_64+0xc6/0x1e0 [17141.974415][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17141.974415][ T7704] [17152.220869][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17152.221444][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17152.221444][ T7704] netdev_get_by_index+0x5e/0x80 [17152.221444][ T7704] fib6_nh_init+0x3d8/0x15b0 [17152.221444][ T7704] ip6_route_info_create+0xf18/0x17d0 [17152.221444][ T7704] ip6_route_add+0x1c/0x140 [17152.221444][ T7704] addrconf_prefix_route+0x2a6/0x430 [17152.221444][ T7704] inet6_addr_add+0x4f8/0xa40 [17152.221444][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17152.221444][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17152.221444][ T7704] netlink_rcv_skb+0x130/0x360 [17152.221444][ T7704] netlink_unicast+0x449/0x710 [17152.221444][ T7704] netlink_sendmsg+0x723/0xbe0 [17152.221444][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17152.221444][ T7704] ___sys_sendmsg+0xee/0x170 [17152.221444][ T7704] __sys_sendmsg+0xcd/0x170 [17152.221444][ T7704] do_syscall_64+0xc6/0x1e0 [17152.221444][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17152.221444][ T7704] [17152.223841][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17152.223841][ T7704] netdev_get_by_index+0x5e/0x80 [17152.223841][ T7704] fib6_nh_init+0x3d8/0x15b0 [17152.223841][ T7704] ip6_route_info_create+0xf18/0x17d0 [17152.223841][ T7704] addrconf_f6i_alloc+0x315/0x560 [17152.223841][ T7704] ipv6_add_addr+0x411/0x2000 [17152.223841][ T7704] inet6_addr_add+0x30e/0xa40 [17152.223841][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17152.223841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17152.223841][ T7704] netlink_rcv_skb+0x130/0x360 [17152.223841][ T7704] netlink_unicast+0x449/0x710 [17152.223841][ T7704] netlink_sendmsg+0x723/0xbe0 [17152.223841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17152.223841][ T7704] ___sys_sendmsg+0xee/0x170 [17152.223841][ T7704] __sys_sendmsg+0xcd/0x170 [17152.223841][ T7704] do_syscall_64+0xc6/0x1e0 [17152.223841][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17152.223841][ T7704] [17152.226648][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17152.226648][ T7704] netdev_get_by_index+0x5e/0x80 [17152.226648][ T7704] fib6_nh_init+0x3d8/0x15b0 [17152.226648][ T7704] ip6_route_info_create+0xf18/0x17d0 [17152.226648][ T7704] ip6_route_add+0x1c/0x140 [17152.226648][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17152.226648][ T7704] addrconf_add_dev+0xe2/0x170 [17152.226648][ T7704] inet6_addr_add+0x12f/0xa40 [17152.226648][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17152.226648][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17152.226648][ T7704] netlink_rcv_skb+0x130/0x360 [17152.226648][ T7704] netlink_unicast+0x449/0x710 [17152.226648][ T7704] netlink_sendmsg+0x723/0xbe0 [17152.226648][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17152.226648][ T7704] ___sys_sendmsg+0xee/0x170 [17152.226648][ T7704] __sys_sendmsg+0xcd/0x170 [17152.226648][ T7704] do_syscall_64+0xc6/0x1e0 [17152.226648][ T7704] [17152.229000][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17152.229000][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17152.229000][ T7704] ipv6_find_idev+0x102/0x170 [17152.229000][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17152.229000][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17152.229000][ T7704] netlink_rcv_skb+0x130/0x360 [17152.229000][ T7704] netlink_unicast+0x449/0x710 [17152.229000][ T7704] netlink_sendmsg+0x723/0xbe0 [17152.229000][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17152.229000][ T7704] ___sys_sendmsg+0xee/0x170 [17152.229000][ T7704] __sys_sendmsg+0xcd/0x170 [17152.229000][ T7704] do_syscall_64+0xc6/0x1e0 [17152.229000][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17152.229000][ T7704] [17152.230729][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17152.230729][ T7704] neigh_parms_alloc+0x1e5/0x510 [17152.230729][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17152.230729][ T7704] ipv6_find_idev+0x102/0x170 [17152.230729][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17152.230729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17152.230729][ T7704] netlink_rcv_skb+0x130/0x360 [17152.230729][ T7704] netlink_unicast+0x449/0x710 [17152.230729][ T7704] netlink_sendmsg+0x723/0xbe0 [17152.230729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17152.230729][ T7704] ___sys_sendmsg+0xee/0x170 [17152.230729][ T7704] __sys_sendmsg+0xcd/0x170 [17152.230729][ T7704] do_syscall_64+0xc6/0x1e0 [17152.230729][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17152.230729][ T7704] [17162.484910][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17162.485543][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17162.485543][ T7704] netdev_get_by_index+0x5e/0x80 [17162.485543][ T7704] fib6_nh_init+0x3d8/0x15b0 [17162.485543][ T7704] ip6_route_info_create+0xf18/0x17d0 [17162.485543][ T7704] ip6_route_add+0x1c/0x140 [17162.485543][ T7704] addrconf_prefix_route+0x2a6/0x430 [17162.485543][ T7704] inet6_addr_add+0x4f8/0xa40 [17162.485543][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17162.485543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17162.485543][ T7704] netlink_rcv_skb+0x130/0x360 [17162.485543][ T7704] netlink_unicast+0x449/0x710 [17162.485543][ T7704] netlink_sendmsg+0x723/0xbe0 [17162.485543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17162.485543][ T7704] ___sys_sendmsg+0xee/0x170 [17162.485543][ T7704] __sys_sendmsg+0xcd/0x170 [17162.485543][ T7704] do_syscall_64+0xc6/0x1e0 [17162.485543][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17162.485543][ T7704] [17162.487857][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17162.487857][ T7704] netdev_get_by_index+0x5e/0x80 [17162.487857][ T7704] fib6_nh_init+0x3d8/0x15b0 [17162.487857][ T7704] ip6_route_info_create+0xf18/0x17d0 [17162.487857][ T7704] addrconf_f6i_alloc+0x315/0x560 [17162.487857][ T7704] ipv6_add_addr+0x411/0x2000 [17162.487857][ T7704] inet6_addr_add+0x30e/0xa40 [17162.487857][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17162.487857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17162.487857][ T7704] netlink_rcv_skb+0x130/0x360 [17162.487857][ T7704] netlink_unicast+0x449/0x710 [17162.487857][ T7704] netlink_sendmsg+0x723/0xbe0 [17162.487857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17162.487857][ T7704] ___sys_sendmsg+0xee/0x170 [17162.487857][ T7704] __sys_sendmsg+0xcd/0x170 [17162.487857][ T7704] do_syscall_64+0xc6/0x1e0 [17162.487857][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17162.487857][ T7704] [17162.490195][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17162.490195][ T7704] netdev_get_by_index+0x5e/0x80 [17162.490195][ T7704] fib6_nh_init+0x3d8/0x15b0 [17162.490195][ T7704] ip6_route_info_create+0xf18/0x17d0 [17162.490195][ T7704] ip6_route_add+0x1c/0x140 [17162.490195][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17162.490195][ T7704] addrconf_add_dev+0xe2/0x170 [17162.490195][ T7704] inet6_addr_add+0x12f/0xa40 [17162.490195][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17162.490195][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17162.490195][ T7704] netlink_rcv_skb+0x130/0x360 [17162.490195][ T7704] netlink_unicast+0x449/0x710 [17162.490195][ T7704] netlink_sendmsg+0x723/0xbe0 [17162.490195][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17162.490195][ T7704] ___sys_sendmsg+0xee/0x170 [17162.490195][ T7704] __sys_sendmsg+0xcd/0x170 [17162.490195][ T7704] do_syscall_64+0xc6/0x1e0 [17162.490195][ T7704] [17162.492463][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17162.492463][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17162.492463][ T7704] ipv6_find_idev+0x102/0x170 [17162.492463][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17162.492463][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17162.492463][ T7704] netlink_rcv_skb+0x130/0x360 [17162.492463][ T7704] netlink_unicast+0x449/0x710 [17162.492463][ T7704] netlink_sendmsg+0x723/0xbe0 [17162.492463][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17162.492463][ T7704] ___sys_sendmsg+0xee/0x170 [17162.492463][ T7704] __sys_sendmsg+0xcd/0x170 [17162.492463][ T7704] do_syscall_64+0xc6/0x1e0 [17162.492463][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17162.492463][ T7704] [17162.494238][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17162.494238][ T7704] neigh_parms_alloc+0x1e5/0x510 [17162.494238][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17162.494238][ T7704] ipv6_find_idev+0x102/0x170 [17162.494238][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17162.494238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17162.494238][ T7704] netlink_rcv_skb+0x130/0x360 [17162.494238][ T7704] netlink_unicast+0x449/0x710 [17162.494238][ T7704] netlink_sendmsg+0x723/0xbe0 [17162.494238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17162.494238][ T7704] ___sys_sendmsg+0xee/0x170 [17162.494238][ T7704] __sys_sendmsg+0xcd/0x170 [17162.494238][ T7704] do_syscall_64+0xc6/0x1e0 [17162.494238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17162.494238][ T7704] [17172.604880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17172.605498][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17172.605498][ T7704] netdev_get_by_index+0x5e/0x80 [17172.605498][ T7704] fib6_nh_init+0x3d8/0x15b0 [17172.605498][ T7704] ip6_route_info_create+0xf18/0x17d0 [17172.605498][ T7704] ip6_route_add+0x1c/0x140 [17172.605498][ T7704] addrconf_prefix_route+0x2a6/0x430 [17172.605498][ T7704] inet6_addr_add+0x4f8/0xa40 [17172.605498][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17172.605498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17172.605498][ T7704] netlink_rcv_skb+0x130/0x360 [17172.605498][ T7704] netlink_unicast+0x449/0x710 [17172.605498][ T7704] netlink_sendmsg+0x723/0xbe0 [17172.605498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17172.605498][ T7704] ___sys_sendmsg+0xee/0x170 [17172.605498][ T7704] __sys_sendmsg+0xcd/0x170 [17172.605498][ T7704] do_syscall_64+0xc6/0x1e0 [17172.605498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17172.605498][ T7704] [17172.607689][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17172.607689][ T7704] netdev_get_by_index+0x5e/0x80 [17172.607689][ T7704] fib6_nh_init+0x3d8/0x15b0 [17172.607689][ T7704] ip6_route_info_create+0xf18/0x17d0 [17172.607689][ T7704] addrconf_f6i_alloc+0x315/0x560 [17172.607689][ T7704] ipv6_add_addr+0x411/0x2000 [17172.607689][ T7704] inet6_addr_add+0x30e/0xa40 [17172.607689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17172.607689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17172.607689][ T7704] netlink_rcv_skb+0x130/0x360 [17172.607689][ T7704] netlink_unicast+0x449/0x710 [17172.607689][ T7704] netlink_sendmsg+0x723/0xbe0 [17172.607689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17172.607689][ T7704] ___sys_sendmsg+0xee/0x170 [17172.607689][ T7704] __sys_sendmsg+0xcd/0x170 [17172.607689][ T7704] do_syscall_64+0xc6/0x1e0 [17172.607689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17172.607689][ T7704] [17172.609896][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17172.609896][ T7704] netdev_get_by_index+0x5e/0x80 [17172.609896][ T7704] fib6_nh_init+0x3d8/0x15b0 [17172.609896][ T7704] ip6_route_info_create+0xf18/0x17d0 [17172.609896][ T7704] ip6_route_add+0x1c/0x140 [17172.609896][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17172.609896][ T7704] addrconf_add_dev+0xe2/0x170 [17172.609896][ T7704] inet6_addr_add+0x12f/0xa40 [17172.609896][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17172.609896][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17172.609896][ T7704] netlink_rcv_skb+0x130/0x360 [17172.609896][ T7704] netlink_unicast+0x449/0x710 [17172.609896][ T7704] netlink_sendmsg+0x723/0xbe0 [17172.609896][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17172.609896][ T7704] ___sys_sendmsg+0xee/0x170 [17172.609896][ T7704] __sys_sendmsg+0xcd/0x170 [17172.609896][ T7704] do_syscall_64+0xc6/0x1e0 [17172.609896][ T7704] [17172.612019][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17172.612019][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17172.612019][ T7704] ipv6_find_idev+0x102/0x170 [17172.612019][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17172.612019][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17172.612019][ T7704] netlink_rcv_skb+0x130/0x360 [17172.612019][ T7704] netlink_unicast+0x449/0x710 [17172.612019][ T7704] netlink_sendmsg+0x723/0xbe0 [17172.612019][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17172.612019][ T7704] ___sys_sendmsg+0xee/0x170 [17172.612019][ T7704] __sys_sendmsg+0xcd/0x170 [17172.612019][ T7704] do_syscall_64+0xc6/0x1e0 [17172.612019][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17172.612019][ T7704] [17172.613670][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17172.613670][ T7704] neigh_parms_alloc+0x1e5/0x510 [17172.613670][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17172.613670][ T7704] ipv6_find_idev+0x102/0x170 [17172.613670][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17172.613670][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17172.613670][ T7704] netlink_rcv_skb+0x130/0x360 [17172.613670][ T7704] netlink_unicast+0x449/0x710 [17172.613670][ T7704] netlink_sendmsg+0x723/0xbe0 [17172.613670][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17172.613670][ T7704] ___sys_sendmsg+0xee/0x170 [17172.613670][ T7704] __sys_sendmsg+0xcd/0x170 [17172.613670][ T7704] do_syscall_64+0xc6/0x1e0 [17172.613670][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17172.613670][ T7704] [17182.852908][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17182.853588][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17182.853588][ T7704] netdev_get_by_index+0x5e/0x80 [17182.853588][ T7704] fib6_nh_init+0x3d8/0x15b0 [17182.853588][ T7704] ip6_route_info_create+0xf18/0x17d0 [17182.853588][ T7704] ip6_route_add+0x1c/0x140 [17182.853588][ T7704] addrconf_prefix_route+0x2a6/0x430 [17182.853588][ T7704] inet6_addr_add+0x4f8/0xa40 [17182.853588][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17182.853588][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17182.853588][ T7704] netlink_rcv_skb+0x130/0x360 [17182.853588][ T7704] netlink_unicast+0x449/0x710 [17182.853588][ T7704] netlink_sendmsg+0x723/0xbe0 [17182.853588][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17182.853588][ T7704] ___sys_sendmsg+0xee/0x170 [17182.853588][ T7704] __sys_sendmsg+0xcd/0x170 [17182.853588][ T7704] do_syscall_64+0xc6/0x1e0 [17182.853588][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17182.853588][ T7704] [17182.855902][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17182.855902][ T7704] netdev_get_by_index+0x5e/0x80 [17182.855902][ T7704] fib6_nh_init+0x3d8/0x15b0 [17182.855902][ T7704] ip6_route_info_create+0xf18/0x17d0 [17182.855902][ T7704] addrconf_f6i_alloc+0x315/0x560 [17182.855902][ T7704] ipv6_add_addr+0x411/0x2000 [17182.855902][ T7704] inet6_addr_add+0x30e/0xa40 [17182.855902][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17182.855902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17182.855902][ T7704] netlink_rcv_skb+0x130/0x360 [17182.855902][ T7704] netlink_unicast+0x449/0x710 [17182.855902][ T7704] netlink_sendmsg+0x723/0xbe0 [17182.855902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17182.855902][ T7704] ___sys_sendmsg+0xee/0x170 [17182.855902][ T7704] __sys_sendmsg+0xcd/0x170 [17182.855902][ T7704] do_syscall_64+0xc6/0x1e0 [17182.855902][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17182.855902][ T7704] [17182.858174][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17182.858174][ T7704] netdev_get_by_index+0x5e/0x80 [17182.858174][ T7704] fib6_nh_init+0x3d8/0x15b0 [17182.858174][ T7704] ip6_route_info_create+0xf18/0x17d0 [17182.858174][ T7704] ip6_route_add+0x1c/0x140 [17182.858174][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17182.858174][ T7704] addrconf_add_dev+0xe2/0x170 [17182.858174][ T7704] inet6_addr_add+0x12f/0xa40 [17182.858174][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17182.858174][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17182.858174][ T7704] netlink_rcv_skb+0x130/0x360 [17182.858174][ T7704] netlink_unicast+0x449/0x710 [17182.858174][ T7704] netlink_sendmsg+0x723/0xbe0 [17182.858174][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17182.858174][ T7704] ___sys_sendmsg+0xee/0x170 [17182.858174][ T7704] __sys_sendmsg+0xcd/0x170 [17182.858174][ T7704] do_syscall_64+0xc6/0x1e0 [17182.858174][ T7704] [17182.860390][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17182.860390][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17182.860390][ T7704] ipv6_find_idev+0x102/0x170 [17182.860390][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17182.860390][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17182.860390][ T7704] netlink_rcv_skb+0x130/0x360 [17182.860390][ T7704] netlink_unicast+0x449/0x710 [17182.860390][ T7704] netlink_sendmsg+0x723/0xbe0 [17182.860390][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17182.860390][ T7704] ___sys_sendmsg+0xee/0x170 [17182.860390][ T7704] __sys_sendmsg+0xcd/0x170 [17182.860390][ T7704] do_syscall_64+0xc6/0x1e0 [17182.860390][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17182.860390][ T7704] [17182.862196][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17182.862196][ T7704] neigh_parms_alloc+0x1e5/0x510 [17182.862196][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17182.862196][ T7704] ipv6_find_idev+0x102/0x170 [17182.862196][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17182.862196][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17182.862196][ T7704] netlink_rcv_skb+0x130/0x360 [17182.862196][ T7704] netlink_unicast+0x449/0x710 [17182.862196][ T7704] netlink_sendmsg+0x723/0xbe0 [17182.862196][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17182.862196][ T7704] ___sys_sendmsg+0xee/0x170 [17182.862196][ T7704] __sys_sendmsg+0xcd/0x170 [17182.862196][ T7704] do_syscall_64+0xc6/0x1e0 [17182.862196][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17182.862196][ T7704] [17193.052809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17193.053326][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17193.053326][ T7704] netdev_get_by_index+0x5e/0x80 [17193.053326][ T7704] fib6_nh_init+0x3d8/0x15b0 [17193.053326][ T7704] ip6_route_info_create+0xf18/0x17d0 [17193.053326][ T7704] ip6_route_add+0x1c/0x140 [17193.053326][ T7704] addrconf_prefix_route+0x2a6/0x430 [17193.053326][ T7704] inet6_addr_add+0x4f8/0xa40 [17193.053326][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17193.053326][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17193.053326][ T7704] netlink_rcv_skb+0x130/0x360 [17193.053326][ T7704] netlink_unicast+0x449/0x710 [17193.053326][ T7704] netlink_sendmsg+0x723/0xbe0 [17193.053326][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17193.053326][ T7704] ___sys_sendmsg+0xee/0x170 [17193.053326][ T7704] __sys_sendmsg+0xcd/0x170 [17193.053326][ T7704] do_syscall_64+0xc6/0x1e0 [17193.053326][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17193.053326][ T7704] [17193.055675][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17193.055675][ T7704] netdev_get_by_index+0x5e/0x80 [17193.055675][ T7704] fib6_nh_init+0x3d8/0x15b0 [17193.055675][ T7704] ip6_route_info_create+0xf18/0x17d0 [17193.055675][ T7704] addrconf_f6i_alloc+0x315/0x560 [17193.055675][ T7704] ipv6_add_addr+0x411/0x2000 [17193.055675][ T7704] inet6_addr_add+0x30e/0xa40 [17193.055675][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17193.055675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17193.055675][ T7704] netlink_rcv_skb+0x130/0x360 [17193.055675][ T7704] netlink_unicast+0x449/0x710 [17193.055675][ T7704] netlink_sendmsg+0x723/0xbe0 [17193.055675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17193.055675][ T7704] ___sys_sendmsg+0xee/0x170 [17193.055675][ T7704] __sys_sendmsg+0xcd/0x170 [17193.055675][ T7704] do_syscall_64+0xc6/0x1e0 [17193.055675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17193.055675][ T7704] [17193.057932][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17193.057932][ T7704] netdev_get_by_index+0x5e/0x80 [17193.057932][ T7704] fib6_nh_init+0x3d8/0x15b0 [17193.057932][ T7704] ip6_route_info_create+0xf18/0x17d0 [17193.057932][ T7704] ip6_route_add+0x1c/0x140 [17193.057932][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17193.057932][ T7704] addrconf_add_dev+0xe2/0x170 [17193.057932][ T7704] inet6_addr_add+0x12f/0xa40 [17193.057932][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17193.057932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17193.057932][ T7704] netlink_rcv_skb+0x130/0x360 [17193.057932][ T7704] netlink_unicast+0x449/0x710 [17193.057932][ T7704] netlink_sendmsg+0x723/0xbe0 [17193.057932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17193.057932][ T7704] ___sys_sendmsg+0xee/0x170 [17193.057932][ T7704] __sys_sendmsg+0xcd/0x170 [17193.057932][ T7704] do_syscall_64+0xc6/0x1e0 [17193.057932][ T7704] [17193.060332][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17193.060332][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17193.060332][ T7704] ipv6_find_idev+0x102/0x170 [17193.060332][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17193.060332][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17193.060332][ T7704] netlink_rcv_skb+0x130/0x360 [17193.060332][ T7704] netlink_unicast+0x449/0x710 [17193.060332][ T7704] netlink_sendmsg+0x723/0xbe0 [17193.060332][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17193.060332][ T7704] ___sys_sendmsg+0xee/0x170 [17193.060332][ T7704] __sys_sendmsg+0xcd/0x170 [17193.060332][ T7704] do_syscall_64+0xc6/0x1e0 [17193.060332][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17193.060332][ T7704] [17193.062101][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17193.062101][ T7704] neigh_parms_alloc+0x1e5/0x510 [17193.062101][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17193.062101][ T7704] ipv6_find_idev+0x102/0x170 [17193.062101][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17193.062101][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17193.062101][ T7704] netlink_rcv_skb+0x130/0x360 [17193.062101][ T7704] netlink_unicast+0x449/0x710 [17193.062101][ T7704] netlink_sendmsg+0x723/0xbe0 [17193.062101][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17193.062101][ T7704] ___sys_sendmsg+0xee/0x170 [17193.062101][ T7704] __sys_sendmsg+0xcd/0x170 [17193.062101][ T7704] do_syscall_64+0xc6/0x1e0 [17193.062101][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17193.062101][ T7704] [17203.300899][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17203.301515][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17203.301515][ T7704] netdev_get_by_index+0x5e/0x80 [17203.301515][ T7704] fib6_nh_init+0x3d8/0x15b0 [17203.301515][ T7704] ip6_route_info_create+0xf18/0x17d0 [17203.301515][ T7704] ip6_route_add+0x1c/0x140 [17203.301515][ T7704] addrconf_prefix_route+0x2a6/0x430 [17203.301515][ T7704] inet6_addr_add+0x4f8/0xa40 [17203.301515][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17203.301515][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17203.301515][ T7704] netlink_rcv_skb+0x130/0x360 [17203.301515][ T7704] netlink_unicast+0x449/0x710 [17203.301515][ T7704] netlink_sendmsg+0x723/0xbe0 [17203.301515][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17203.301515][ T7704] ___sys_sendmsg+0xee/0x170 [17203.301515][ T7704] __sys_sendmsg+0xcd/0x170 [17203.301515][ T7704] do_syscall_64+0xc6/0x1e0 [17203.301515][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17203.301515][ T7704] [17203.304122][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17203.304122][ T7704] netdev_get_by_index+0x5e/0x80 [17203.304122][ T7704] fib6_nh_init+0x3d8/0x15b0 [17203.304122][ T7704] ip6_route_info_create+0xf18/0x17d0 [17203.304122][ T7704] addrconf_f6i_alloc+0x315/0x560 [17203.304122][ T7704] ipv6_add_addr+0x411/0x2000 [17203.304122][ T7704] inet6_addr_add+0x30e/0xa40 [17203.304122][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17203.304122][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17203.304122][ T7704] netlink_rcv_skb+0x130/0x360 [17203.304122][ T7704] netlink_unicast+0x449/0x710 [17203.304122][ T7704] netlink_sendmsg+0x723/0xbe0 [17203.304122][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17203.304122][ T7704] ___sys_sendmsg+0xee/0x170 [17203.304122][ T7704] __sys_sendmsg+0xcd/0x170 [17203.304122][ T7704] do_syscall_64+0xc6/0x1e0 [17203.304122][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17203.304122][ T7704] [17203.306675][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17203.306675][ T7704] netdev_get_by_index+0x5e/0x80 [17203.306675][ T7704] fib6_nh_init+0x3d8/0x15b0 [17203.306675][ T7704] ip6_route_info_create+0xf18/0x17d0 [17203.306675][ T7704] ip6_route_add+0x1c/0x140 [17203.306675][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17203.306675][ T7704] addrconf_add_dev+0xe2/0x170 [17203.306675][ T7704] inet6_addr_add+0x12f/0xa40 [17203.306675][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17203.306675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17203.306675][ T7704] netlink_rcv_skb+0x130/0x360 [17203.306675][ T7704] netlink_unicast+0x449/0x710 [17203.306675][ T7704] netlink_sendmsg+0x723/0xbe0 [17203.306675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17203.306675][ T7704] ___sys_sendmsg+0xee/0x170 [17203.306675][ T7704] __sys_sendmsg+0xcd/0x170 [17203.306675][ T7704] do_syscall_64+0xc6/0x1e0 [17203.306675][ T7704] [17203.309114][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17203.309114][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17203.309114][ T7704] ipv6_find_idev+0x102/0x170 [17203.309114][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17203.309114][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17203.309114][ T7704] netlink_rcv_skb+0x130/0x360 [17203.309114][ T7704] netlink_unicast+0x449/0x710 [17203.309114][ T7704] netlink_sendmsg+0x723/0xbe0 [17203.309114][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17203.309114][ T7704] ___sys_sendmsg+0xee/0x170 [17203.309114][ T7704] __sys_sendmsg+0xcd/0x170 [17203.309114][ T7704] do_syscall_64+0xc6/0x1e0 [17203.309114][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17203.309114][ T7704] [17203.311022][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17203.311022][ T7704] neigh_parms_alloc+0x1e5/0x510 [17203.311022][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17203.311022][ T7704] ipv6_find_idev+0x102/0x170 [17203.311022][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17203.311022][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17203.311022][ T7704] netlink_rcv_skb+0x130/0x360 [17203.311022][ T7704] netlink_unicast+0x449/0x710 [17203.311022][ T7704] netlink_sendmsg+0x723/0xbe0 [17203.311022][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17203.311022][ T7704] ___sys_sendmsg+0xee/0x170 [17203.311022][ T7704] __sys_sendmsg+0xcd/0x170 [17203.311022][ T7704] do_syscall_64+0xc6/0x1e0 [17203.311022][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17203.311022][ T7704] [17213.548907][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17213.550031][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17213.550031][ T7704] netdev_get_by_index+0x5e/0x80 [17213.550031][ T7704] fib6_nh_init+0x3d8/0x15b0 [17213.550031][ T7704] ip6_route_info_create+0xf18/0x17d0 [17213.550031][ T7704] ip6_route_add+0x1c/0x140 [17213.550031][ T7704] addrconf_prefix_route+0x2a6/0x430 [17213.550031][ T7704] inet6_addr_add+0x4f8/0xa40 [17213.550031][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17213.550031][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17213.550031][ T7704] netlink_rcv_skb+0x130/0x360 [17213.550031][ T7704] netlink_unicast+0x449/0x710 [17213.550031][ T7704] netlink_sendmsg+0x723/0xbe0 [17213.550031][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17213.550031][ T7704] ___sys_sendmsg+0xee/0x170 [17213.550031][ T7704] __sys_sendmsg+0xcd/0x170 [17213.550031][ T7704] do_syscall_64+0xc6/0x1e0 [17213.550031][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17213.550031][ T7704] [17213.552503][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17213.552503][ T7704] netdev_get_by_index+0x5e/0x80 [17213.552503][ T7704] fib6_nh_init+0x3d8/0x15b0 [17213.552503][ T7704] ip6_route_info_create+0xf18/0x17d0 [17213.552503][ T7704] addrconf_f6i_alloc+0x315/0x560 [17213.552503][ T7704] ipv6_add_addr+0x411/0x2000 [17213.552503][ T7704] inet6_addr_add+0x30e/0xa40 [17213.552503][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17213.552503][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17213.552503][ T7704] netlink_rcv_skb+0x130/0x360 [17213.552503][ T7704] netlink_unicast+0x449/0x710 [17213.552503][ T7704] netlink_sendmsg+0x723/0xbe0 [17213.552503][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17213.552503][ T7704] ___sys_sendmsg+0xee/0x170 [17213.552503][ T7704] __sys_sendmsg+0xcd/0x170 [17213.552503][ T7704] do_syscall_64+0xc6/0x1e0 [17213.552503][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17213.552503][ T7704] [17213.554762][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17213.554762][ T7704] netdev_get_by_index+0x5e/0x80 [17213.554762][ T7704] fib6_nh_init+0x3d8/0x15b0 [17213.554762][ T7704] ip6_route_info_create+0xf18/0x17d0 [17213.554762][ T7704] ip6_route_add+0x1c/0x140 [17213.554762][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17213.554762][ T7704] addrconf_add_dev+0xe2/0x170 [17213.554762][ T7704] inet6_addr_add+0x12f/0xa40 [17213.554762][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17213.554762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17213.554762][ T7704] netlink_rcv_skb+0x130/0x360 [17213.554762][ T7704] netlink_unicast+0x449/0x710 [17213.554762][ T7704] netlink_sendmsg+0x723/0xbe0 [17213.554762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17213.554762][ T7704] ___sys_sendmsg+0xee/0x170 [17213.554762][ T7704] __sys_sendmsg+0xcd/0x170 [17213.554762][ T7704] do_syscall_64+0xc6/0x1e0 [17213.554762][ T7704] [17213.557099][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17213.557099][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17213.557099][ T7704] ipv6_find_idev+0x102/0x170 [17213.557099][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17213.557099][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17213.557099][ T7704] netlink_rcv_skb+0x130/0x360 [17213.557099][ T7704] netlink_unicast+0x449/0x710 [17213.557099][ T7704] netlink_sendmsg+0x723/0xbe0 [17213.557099][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17213.557099][ T7704] ___sys_sendmsg+0xee/0x170 [17213.557099][ T7704] __sys_sendmsg+0xcd/0x170 [17213.557099][ T7704] do_syscall_64+0xc6/0x1e0 [17213.557099][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17213.557099][ T7704] [17213.558899][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17213.558899][ T7704] neigh_parms_alloc+0x1e5/0x510 [17213.558899][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17213.558899][ T7704] ipv6_find_idev+0x102/0x170 [17213.558899][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17213.558899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17213.558899][ T7704] netlink_rcv_skb+0x130/0x360 [17213.558899][ T7704] netlink_unicast+0x449/0x710 [17213.558899][ T7704] netlink_sendmsg+0x723/0xbe0 [17213.558899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17213.558899][ T7704] ___sys_sendmsg+0xee/0x170 [17213.558899][ T7704] __sys_sendmsg+0xcd/0x170 [17213.558899][ T7704] do_syscall_64+0xc6/0x1e0 [17213.558899][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17213.558899][ T7704] [17223.748904][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17223.750145][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17223.750145][ T7704] netdev_get_by_index+0x5e/0x80 [17223.750145][ T7704] fib6_nh_init+0x3d8/0x15b0 [17223.750145][ T7704] ip6_route_info_create+0xf18/0x17d0 [17223.750145][ T7704] ip6_route_add+0x1c/0x140 [17223.750145][ T7704] addrconf_prefix_route+0x2a6/0x430 [17223.750145][ T7704] inet6_addr_add+0x4f8/0xa40 [17223.750145][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17223.750145][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17223.750145][ T7704] netlink_rcv_skb+0x130/0x360 [17223.750145][ T7704] netlink_unicast+0x449/0x710 [17223.750145][ T7704] netlink_sendmsg+0x723/0xbe0 [17223.750145][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17223.750145][ T7704] ___sys_sendmsg+0xee/0x170 [17223.750145][ T7704] __sys_sendmsg+0xcd/0x170 [17223.750145][ T7704] do_syscall_64+0xc6/0x1e0 [17223.750145][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17223.750145][ T7704] [17223.752531][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17223.752531][ T7704] netdev_get_by_index+0x5e/0x80 [17223.752531][ T7704] fib6_nh_init+0x3d8/0x15b0 [17223.752531][ T7704] ip6_route_info_create+0xf18/0x17d0 [17223.752531][ T7704] addrconf_f6i_alloc+0x315/0x560 [17223.752531][ T7704] ipv6_add_addr+0x411/0x2000 [17223.752531][ T7704] inet6_addr_add+0x30e/0xa40 [17223.752531][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17223.752531][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17223.752531][ T7704] netlink_rcv_skb+0x130/0x360 [17223.752531][ T7704] netlink_unicast+0x449/0x710 [17223.752531][ T7704] netlink_sendmsg+0x723/0xbe0 [17223.752531][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17223.752531][ T7704] ___sys_sendmsg+0xee/0x170 [17223.752531][ T7704] __sys_sendmsg+0xcd/0x170 [17223.752531][ T7704] do_syscall_64+0xc6/0x1e0 [17223.752531][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17223.752531][ T7704] [17223.754836][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17223.754836][ T7704] netdev_get_by_index+0x5e/0x80 [17223.754836][ T7704] fib6_nh_init+0x3d8/0x15b0 [17223.754836][ T7704] ip6_route_info_create+0xf18/0x17d0 [17223.754836][ T7704] ip6_route_add+0x1c/0x140 [17223.754836][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17223.754836][ T7704] addrconf_add_dev+0xe2/0x170 [17223.754836][ T7704] inet6_addr_add+0x12f/0xa40 [17223.754836][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17223.754836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17223.754836][ T7704] netlink_rcv_skb+0x130/0x360 [17223.754836][ T7704] netlink_unicast+0x449/0x710 [17223.754836][ T7704] netlink_sendmsg+0x723/0xbe0 [17223.754836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17223.754836][ T7704] ___sys_sendmsg+0xee/0x170 [17223.754836][ T7704] __sys_sendmsg+0xcd/0x170 [17223.754836][ T7704] do_syscall_64+0xc6/0x1e0 [17223.754836][ T7704] [17223.757102][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17223.757102][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17223.757102][ T7704] ipv6_find_idev+0x102/0x170 [17223.757102][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17223.757102][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17223.757102][ T7704] netlink_rcv_skb+0x130/0x360 [17223.757102][ T7704] netlink_unicast+0x449/0x710 [17223.757102][ T7704] netlink_sendmsg+0x723/0xbe0 [17223.757102][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17223.757102][ T7704] ___sys_sendmsg+0xee/0x170 [17223.757102][ T7704] __sys_sendmsg+0xcd/0x170 [17223.757102][ T7704] do_syscall_64+0xc6/0x1e0 [17223.757102][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17223.757102][ T7704] [17223.758895][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17223.758895][ T7704] neigh_parms_alloc+0x1e5/0x510 [17223.758895][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17223.758895][ T7704] ipv6_find_idev+0x102/0x170 [17223.758895][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17223.758895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17223.758895][ T7704] netlink_rcv_skb+0x130/0x360 [17223.758895][ T7704] netlink_unicast+0x449/0x710 [17223.758895][ T7704] netlink_sendmsg+0x723/0xbe0 [17223.758895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17223.758895][ T7704] ___sys_sendmsg+0xee/0x170 [17223.758895][ T7704] __sys_sendmsg+0xcd/0x170 [17223.758895][ T7704] do_syscall_64+0xc6/0x1e0 [17223.758895][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17223.758895][ T7704] [17233.780880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17233.781406][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17233.781406][ T7704] netdev_get_by_index+0x5e/0x80 [17233.781406][ T7704] fib6_nh_init+0x3d8/0x15b0 [17233.781406][ T7704] ip6_route_info_create+0xf18/0x17d0 [17233.781406][ T7704] ip6_route_add+0x1c/0x140 [17233.781406][ T7704] addrconf_prefix_route+0x2a6/0x430 [17233.781406][ T7704] inet6_addr_add+0x4f8/0xa40 [17233.781406][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17233.781406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17233.781406][ T7704] netlink_rcv_skb+0x130/0x360 [17233.781406][ T7704] netlink_unicast+0x449/0x710 [17233.781406][ T7704] netlink_sendmsg+0x723/0xbe0 [17233.781406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17233.781406][ T7704] ___sys_sendmsg+0xee/0x170 [17233.781406][ T7704] __sys_sendmsg+0xcd/0x170 [17233.781406][ T7704] do_syscall_64+0xc6/0x1e0 [17233.781406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17233.781406][ T7704] [17233.783660][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17233.783660][ T7704] netdev_get_by_index+0x5e/0x80 [17233.783660][ T7704] fib6_nh_init+0x3d8/0x15b0 [17233.783660][ T7704] ip6_route_info_create+0xf18/0x17d0 [17233.783660][ T7704] addrconf_f6i_alloc+0x315/0x560 [17233.783660][ T7704] ipv6_add_addr+0x411/0x2000 [17233.783660][ T7704] inet6_addr_add+0x30e/0xa40 [17233.783660][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17233.783660][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17233.783660][ T7704] netlink_rcv_skb+0x130/0x360 [17233.783660][ T7704] netlink_unicast+0x449/0x710 [17233.783660][ T7704] netlink_sendmsg+0x723/0xbe0 [17233.783660][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17233.783660][ T7704] ___sys_sendmsg+0xee/0x170 [17233.783660][ T7704] __sys_sendmsg+0xcd/0x170 [17233.783660][ T7704] do_syscall_64+0xc6/0x1e0 [17233.783660][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17233.783660][ T7704] [17233.786352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17233.786352][ T7704] netdev_get_by_index+0x5e/0x80 [17233.786352][ T7704] fib6_nh_init+0x3d8/0x15b0 [17233.786352][ T7704] ip6_route_info_create+0xf18/0x17d0 [17233.786352][ T7704] ip6_route_add+0x1c/0x140 [17233.786352][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17233.786352][ T7704] addrconf_add_dev+0xe2/0x170 [17233.786352][ T7704] inet6_addr_add+0x12f/0xa40 [17233.786352][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17233.786352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17233.786352][ T7704] netlink_rcv_skb+0x130/0x360 [17233.786352][ T7704] netlink_unicast+0x449/0x710 [17233.786352][ T7704] netlink_sendmsg+0x723/0xbe0 [17233.786352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17233.786352][ T7704] ___sys_sendmsg+0xee/0x170 [17233.786352][ T7704] __sys_sendmsg+0xcd/0x170 [17233.786352][ T7704] do_syscall_64+0xc6/0x1e0 [17233.786352][ T7704] [17233.788467][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17233.788467][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17233.788467][ T7704] ipv6_find_idev+0x102/0x170 [17233.788467][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17233.788467][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17233.788467][ T7704] netlink_rcv_skb+0x130/0x360 [17233.788467][ T7704] netlink_unicast+0x449/0x710 [17233.788467][ T7704] netlink_sendmsg+0x723/0xbe0 [17233.788467][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17233.788467][ T7704] ___sys_sendmsg+0xee/0x170 [17233.788467][ T7704] __sys_sendmsg+0xcd/0x170 [17233.788467][ T7704] do_syscall_64+0xc6/0x1e0 [17233.788467][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17233.788467][ T7704] [17233.790127][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17233.790127][ T7704] neigh_parms_alloc+0x1e5/0x510 [17233.790127][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17233.790127][ T7704] ipv6_find_idev+0x102/0x170 [17233.790127][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17233.790127][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17233.790127][ T7704] netlink_rcv_skb+0x130/0x360 [17233.790127][ T7704] netlink_unicast+0x449/0x710 [17233.790127][ T7704] netlink_sendmsg+0x723/0xbe0 [17233.790127][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17233.790127][ T7704] ___sys_sendmsg+0xee/0x170 [17233.790127][ T7704] __sys_sendmsg+0xcd/0x170 [17233.790127][ T7704] do_syscall_64+0xc6/0x1e0 [17233.790127][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17233.790127][ T7704] [17243.892904][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17243.893473][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17243.893473][ T7704] netdev_get_by_index+0x5e/0x80 [17243.893473][ T7704] fib6_nh_init+0x3d8/0x15b0 [17243.893473][ T7704] ip6_route_info_create+0xf18/0x17d0 [17243.893473][ T7704] ip6_route_add+0x1c/0x140 [17243.893473][ T7704] addrconf_prefix_route+0x2a6/0x430 [17243.893473][ T7704] inet6_addr_add+0x4f8/0xa40 [17243.893473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17243.893473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17243.893473][ T7704] netlink_rcv_skb+0x130/0x360 [17243.893473][ T7704] netlink_unicast+0x449/0x710 [17243.893473][ T7704] netlink_sendmsg+0x723/0xbe0 [17243.893473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17243.893473][ T7704] ___sys_sendmsg+0xee/0x170 [17243.893473][ T7704] __sys_sendmsg+0xcd/0x170 [17243.893473][ T7704] do_syscall_64+0xc6/0x1e0 [17243.893473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17243.893473][ T7704] [17243.895948][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17243.895948][ T7704] netdev_get_by_index+0x5e/0x80 [17243.895948][ T7704] fib6_nh_init+0x3d8/0x15b0 [17243.895948][ T7704] ip6_route_info_create+0xf18/0x17d0 [17243.895948][ T7704] addrconf_f6i_alloc+0x315/0x560 [17243.895948][ T7704] ipv6_add_addr+0x411/0x2000 [17243.895948][ T7704] inet6_addr_add+0x30e/0xa40 [17243.895948][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17243.895948][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17243.895948][ T7704] netlink_rcv_skb+0x130/0x360 [17243.895948][ T7704] netlink_unicast+0x449/0x710 [17243.895948][ T7704] netlink_sendmsg+0x723/0xbe0 [17243.895948][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17243.895948][ T7704] ___sys_sendmsg+0xee/0x170 [17243.895948][ T7704] __sys_sendmsg+0xcd/0x170 [17243.895948][ T7704] do_syscall_64+0xc6/0x1e0 [17243.895948][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17243.895948][ T7704] [17243.898449][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17243.898449][ T7704] netdev_get_by_index+0x5e/0x80 [17243.898449][ T7704] fib6_nh_init+0x3d8/0x15b0 [17243.898449][ T7704] ip6_route_info_create+0xf18/0x17d0 [17243.898449][ T7704] ip6_route_add+0x1c/0x140 [17243.898449][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17243.898449][ T7704] addrconf_add_dev+0xe2/0x170 [17243.898449][ T7704] inet6_addr_add+0x12f/0xa40 [17243.898449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17243.898449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17243.898449][ T7704] netlink_rcv_skb+0x130/0x360 [17243.898449][ T7704] netlink_unicast+0x449/0x710 [17243.898449][ T7704] netlink_sendmsg+0x723/0xbe0 [17243.898449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17243.898449][ T7704] ___sys_sendmsg+0xee/0x170 [17243.898449][ T7704] __sys_sendmsg+0xcd/0x170 [17243.898449][ T7704] do_syscall_64+0xc6/0x1e0 [17243.898449][ T7704] [17243.900893][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17243.900893][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17243.900893][ T7704] ipv6_find_idev+0x102/0x170 [17243.900893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17243.900893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17243.900893][ T7704] netlink_rcv_skb+0x130/0x360 [17243.900893][ T7704] netlink_unicast+0x449/0x710 [17243.900893][ T7704] netlink_sendmsg+0x723/0xbe0 [17243.900893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17243.900893][ T7704] ___sys_sendmsg+0xee/0x170 [17243.900893][ T7704] __sys_sendmsg+0xcd/0x170 [17243.900893][ T7704] do_syscall_64+0xc6/0x1e0 [17243.900893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17243.900893][ T7704] [17243.903478][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17243.903478][ T7704] neigh_parms_alloc+0x1e5/0x510 [17243.903478][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17243.903478][ T7704] ipv6_find_idev+0x102/0x170 [17243.903478][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17243.903478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17243.903478][ T7704] netlink_rcv_skb+0x130/0x360 [17243.903478][ T7704] netlink_unicast+0x449/0x710 [17243.903478][ T7704] netlink_sendmsg+0x723/0xbe0 [17243.903478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17243.903478][ T7704] ___sys_sendmsg+0xee/0x170 [17243.903478][ T7704] __sys_sendmsg+0xcd/0x170 [17243.903478][ T7704] do_syscall_64+0xc6/0x1e0 [17243.903478][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17243.903478][ T7704] [17254.140904][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17254.142064][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17254.142064][ T7704] netdev_get_by_index+0x5e/0x80 [17254.142064][ T7704] fib6_nh_init+0x3d8/0x15b0 [17254.142064][ T7704] ip6_route_info_create+0xf18/0x17d0 [17254.142064][ T7704] ip6_route_add+0x1c/0x140 [17254.142064][ T7704] addrconf_prefix_route+0x2a6/0x430 [17254.142064][ T7704] inet6_addr_add+0x4f8/0xa40 [17254.142064][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17254.142064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17254.142064][ T7704] netlink_rcv_skb+0x130/0x360 [17254.142064][ T7704] netlink_unicast+0x449/0x710 [17254.142064][ T7704] netlink_sendmsg+0x723/0xbe0 [17254.142064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17254.142064][ T7704] ___sys_sendmsg+0xee/0x170 [17254.142064][ T7704] __sys_sendmsg+0xcd/0x170 [17254.142064][ T7704] do_syscall_64+0xc6/0x1e0 [17254.142064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17254.142064][ T7704] [17254.144368][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17254.144368][ T7704] netdev_get_by_index+0x5e/0x80 [17254.144368][ T7704] fib6_nh_init+0x3d8/0x15b0 [17254.144368][ T7704] ip6_route_info_create+0xf18/0x17d0 [17254.144368][ T7704] addrconf_f6i_alloc+0x315/0x560 [17254.144368][ T7704] ipv6_add_addr+0x411/0x2000 [17254.144368][ T7704] inet6_addr_add+0x30e/0xa40 [17254.144368][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17254.144368][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17254.144368][ T7704] netlink_rcv_skb+0x130/0x360 [17254.144368][ T7704] netlink_unicast+0x449/0x710 [17254.144368][ T7704] netlink_sendmsg+0x723/0xbe0 [17254.144368][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17254.144368][ T7704] ___sys_sendmsg+0xee/0x170 [17254.144368][ T7704] __sys_sendmsg+0xcd/0x170 [17254.144368][ T7704] do_syscall_64+0xc6/0x1e0 [17254.144368][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17254.144368][ T7704] [17254.146718][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17254.146718][ T7704] netdev_get_by_index+0x5e/0x80 [17254.146718][ T7704] fib6_nh_init+0x3d8/0x15b0 [17254.146718][ T7704] ip6_route_info_create+0xf18/0x17d0 [17254.146718][ T7704] ip6_route_add+0x1c/0x140 [17254.146718][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17254.146718][ T7704] addrconf_add_dev+0xe2/0x170 [17254.146718][ T7704] inet6_addr_add+0x12f/0xa40 [17254.146718][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17254.146718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17254.146718][ T7704] netlink_rcv_skb+0x130/0x360 [17254.146718][ T7704] netlink_unicast+0x449/0x710 [17254.146718][ T7704] netlink_sendmsg+0x723/0xbe0 [17254.146718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17254.146718][ T7704] ___sys_sendmsg+0xee/0x170 [17254.146718][ T7704] __sys_sendmsg+0xcd/0x170 [17254.146718][ T7704] do_syscall_64+0xc6/0x1e0 [17254.146718][ T7704] [17254.148993][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17254.148993][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17254.148993][ T7704] ipv6_find_idev+0x102/0x170 [17254.148993][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17254.148993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17254.148993][ T7704] netlink_rcv_skb+0x130/0x360 [17254.148993][ T7704] netlink_unicast+0x449/0x710 [17254.148993][ T7704] netlink_sendmsg+0x723/0xbe0 [17254.148993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17254.148993][ T7704] ___sys_sendmsg+0xee/0x170 [17254.148993][ T7704] __sys_sendmsg+0xcd/0x170 [17254.148993][ T7704] do_syscall_64+0xc6/0x1e0 [17254.148993][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17254.148993][ T7704] [17254.150831][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17254.150831][ T7704] neigh_parms_alloc+0x1e5/0x510 [17254.150831][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17254.150831][ T7704] ipv6_find_idev+0x102/0x170 [17254.150831][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17254.150831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17254.150831][ T7704] netlink_rcv_skb+0x130/0x360 [17254.150831][ T7704] netlink_unicast+0x449/0x710 [17254.150831][ T7704] netlink_sendmsg+0x723/0xbe0 [17254.150831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17254.150831][ T7704] ___sys_sendmsg+0xee/0x170 [17254.150831][ T7704] __sys_sendmsg+0xcd/0x170 [17254.150831][ T7704] do_syscall_64+0xc6/0x1e0 [17254.150831][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17254.150831][ T7704] [17264.388911][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17264.389479][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17264.389479][ T7704] netdev_get_by_index+0x5e/0x80 [17264.389479][ T7704] fib6_nh_init+0x3d8/0x15b0 [17264.389479][ T7704] ip6_route_info_create+0xf18/0x17d0 [17264.389479][ T7704] ip6_route_add+0x1c/0x140 [17264.389479][ T7704] addrconf_prefix_route+0x2a6/0x430 [17264.389479][ T7704] inet6_addr_add+0x4f8/0xa40 [17264.389479][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17264.389479][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17264.389479][ T7704] netlink_rcv_skb+0x130/0x360 [17264.389479][ T7704] netlink_unicast+0x449/0x710 [17264.389479][ T7704] netlink_sendmsg+0x723/0xbe0 [17264.389479][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17264.389479][ T7704] ___sys_sendmsg+0xee/0x170 [17264.389479][ T7704] __sys_sendmsg+0xcd/0x170 [17264.389479][ T7704] do_syscall_64+0xc6/0x1e0 [17264.389479][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17264.389479][ T7704] [17264.391880][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17264.391880][ T7704] netdev_get_by_index+0x5e/0x80 [17264.391880][ T7704] fib6_nh_init+0x3d8/0x15b0 [17264.391880][ T7704] ip6_route_info_create+0xf18/0x17d0 [17264.391880][ T7704] addrconf_f6i_alloc+0x315/0x560 [17264.391880][ T7704] ipv6_add_addr+0x411/0x2000 [17264.391880][ T7704] inet6_addr_add+0x30e/0xa40 [17264.391880][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17264.391880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17264.391880][ T7704] netlink_rcv_skb+0x130/0x360 [17264.391880][ T7704] netlink_unicast+0x449/0x710 [17264.391880][ T7704] netlink_sendmsg+0x723/0xbe0 [17264.391880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17264.391880][ T7704] ___sys_sendmsg+0xee/0x170 [17264.391880][ T7704] __sys_sendmsg+0xcd/0x170 [17264.391880][ T7704] do_syscall_64+0xc6/0x1e0 [17264.391880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17264.391880][ T7704] [17264.394207][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17264.394207][ T7704] netdev_get_by_index+0x5e/0x80 [17264.394207][ T7704] fib6_nh_init+0x3d8/0x15b0 [17264.394207][ T7704] ip6_route_info_create+0xf18/0x17d0 [17264.394207][ T7704] ip6_route_add+0x1c/0x140 [17264.394207][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17264.394207][ T7704] addrconf_add_dev+0xe2/0x170 [17264.394207][ T7704] inet6_addr_add+0x12f/0xa40 [17264.394207][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17264.394207][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17264.394207][ T7704] netlink_rcv_skb+0x130/0x360 [17264.394207][ T7704] netlink_unicast+0x449/0x710 [17264.394207][ T7704] netlink_sendmsg+0x723/0xbe0 [17264.394207][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17264.394207][ T7704] ___sys_sendmsg+0xee/0x170 [17264.394207][ T7704] __sys_sendmsg+0xcd/0x170 [17264.394207][ T7704] do_syscall_64+0xc6/0x1e0 [17264.394207][ T7704] [17264.396584][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17264.396584][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17264.396584][ T7704] ipv6_find_idev+0x102/0x170 [17264.396584][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17264.396584][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17264.396584][ T7704] netlink_rcv_skb+0x130/0x360 [17264.396584][ T7704] netlink_unicast+0x449/0x710 [17264.396584][ T7704] netlink_sendmsg+0x723/0xbe0 [17264.396584][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17264.396584][ T7704] ___sys_sendmsg+0xee/0x170 [17264.396584][ T7704] __sys_sendmsg+0xcd/0x170 [17264.396584][ T7704] do_syscall_64+0xc6/0x1e0 [17264.396584][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17264.396584][ T7704] [17264.398407][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17264.398407][ T7704] neigh_parms_alloc+0x1e5/0x510 [17264.398407][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17264.398407][ T7704] ipv6_find_idev+0x102/0x170 [17264.398407][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17264.398407][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17264.398407][ T7704] netlink_rcv_skb+0x130/0x360 [17264.398407][ T7704] netlink_unicast+0x449/0x710 [17264.398407][ T7704] netlink_sendmsg+0x723/0xbe0 [17264.398407][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17264.398407][ T7704] ___sys_sendmsg+0xee/0x170 [17264.398407][ T7704] __sys_sendmsg+0xcd/0x170 [17264.398407][ T7704] do_syscall_64+0xc6/0x1e0 [17264.398407][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17264.398407][ T7704] [17274.604888][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17274.605490][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17274.605490][ T7704] netdev_get_by_index+0x5e/0x80 [17274.605490][ T7704] fib6_nh_init+0x3d8/0x15b0 [17274.605490][ T7704] ip6_route_info_create+0xf18/0x17d0 [17274.605490][ T7704] ip6_route_add+0x1c/0x140 [17274.605490][ T7704] addrconf_prefix_route+0x2a6/0x430 [17274.605490][ T7704] inet6_addr_add+0x4f8/0xa40 [17274.605490][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17274.605490][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17274.605490][ T7704] netlink_rcv_skb+0x130/0x360 [17274.605490][ T7704] netlink_unicast+0x449/0x710 [17274.605490][ T7704] netlink_sendmsg+0x723/0xbe0 [17274.605490][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17274.605490][ T7704] ___sys_sendmsg+0xee/0x170 [17274.605490][ T7704] __sys_sendmsg+0xcd/0x170 [17274.605490][ T7704] do_syscall_64+0xc6/0x1e0 [17274.605490][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17274.605490][ T7704] [17274.607956][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17274.607956][ T7704] netdev_get_by_index+0x5e/0x80 [17274.607956][ T7704] fib6_nh_init+0x3d8/0x15b0 [17274.607956][ T7704] ip6_route_info_create+0xf18/0x17d0 [17274.607956][ T7704] addrconf_f6i_alloc+0x315/0x560 [17274.607956][ T7704] ipv6_add_addr+0x411/0x2000 [17274.607956][ T7704] inet6_addr_add+0x30e/0xa40 [17274.607956][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17274.607956][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17274.607956][ T7704] netlink_rcv_skb+0x130/0x360 [17274.607956][ T7704] netlink_unicast+0x449/0x710 [17274.607956][ T7704] netlink_sendmsg+0x723/0xbe0 [17274.607956][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17274.607956][ T7704] ___sys_sendmsg+0xee/0x170 [17274.607956][ T7704] __sys_sendmsg+0xcd/0x170 [17274.607956][ T7704] do_syscall_64+0xc6/0x1e0 [17274.607956][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17274.607956][ T7704] [17274.610362][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17274.610362][ T7704] netdev_get_by_index+0x5e/0x80 [17274.610362][ T7704] fib6_nh_init+0x3d8/0x15b0 [17274.610362][ T7704] ip6_route_info_create+0xf18/0x17d0 [17274.610362][ T7704] ip6_route_add+0x1c/0x140 [17274.610362][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17274.610362][ T7704] addrconf_add_dev+0xe2/0x170 [17274.610362][ T7704] inet6_addr_add+0x12f/0xa40 [17274.610362][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17274.610362][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17274.610362][ T7704] netlink_rcv_skb+0x130/0x360 [17274.610362][ T7704] netlink_unicast+0x449/0x710 [17274.610362][ T7704] netlink_sendmsg+0x723/0xbe0 [17274.610362][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17274.610362][ T7704] ___sys_sendmsg+0xee/0x170 [17274.610362][ T7704] __sys_sendmsg+0xcd/0x170 [17274.610362][ T7704] do_syscall_64+0xc6/0x1e0 [17274.610362][ T7704] [17274.612764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17274.612764][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17274.612764][ T7704] ipv6_find_idev+0x102/0x170 [17274.612764][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17274.612764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17274.612764][ T7704] netlink_rcv_skb+0x130/0x360 [17274.612764][ T7704] netlink_unicast+0x449/0x710 [17274.612764][ T7704] netlink_sendmsg+0x723/0xbe0 [17274.612764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17274.612764][ T7704] ___sys_sendmsg+0xee/0x170 [17274.612764][ T7704] __sys_sendmsg+0xcd/0x170 [17274.612764][ T7704] do_syscall_64+0xc6/0x1e0 [17274.612764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17274.612764][ T7704] [17274.614498][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17274.614498][ T7704] neigh_parms_alloc+0x1e5/0x510 [17274.614498][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17274.614498][ T7704] ipv6_find_idev+0x102/0x170 [17274.614498][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17274.614498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17274.614498][ T7704] netlink_rcv_skb+0x130/0x360 [17274.614498][ T7704] netlink_unicast+0x449/0x710 [17274.614498][ T7704] netlink_sendmsg+0x723/0xbe0 [17274.614498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17274.614498][ T7704] ___sys_sendmsg+0xee/0x170 [17274.614498][ T7704] __sys_sendmsg+0xcd/0x170 [17274.614498][ T7704] do_syscall_64+0xc6/0x1e0 [17274.614498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17274.614498][ T7704] [17284.852828][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17284.853352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17284.853352][ T7704] netdev_get_by_index+0x5e/0x80 [17284.853352][ T7704] fib6_nh_init+0x3d8/0x15b0 [17284.853352][ T7704] ip6_route_info_create+0xf18/0x17d0 [17284.853352][ T7704] ip6_route_add+0x1c/0x140 [17284.853352][ T7704] addrconf_prefix_route+0x2a6/0x430 [17284.853352][ T7704] inet6_addr_add+0x4f8/0xa40 [17284.853352][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17284.853352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17284.853352][ T7704] netlink_rcv_skb+0x130/0x360 [17284.853352][ T7704] netlink_unicast+0x449/0x710 [17284.853352][ T7704] netlink_sendmsg+0x723/0xbe0 [17284.853352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17284.853352][ T7704] ___sys_sendmsg+0xee/0x170 [17284.853352][ T7704] __sys_sendmsg+0xcd/0x170 [17284.853352][ T7704] do_syscall_64+0xc6/0x1e0 [17284.853352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17284.853352][ T7704] [17284.855653][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17284.855653][ T7704] netdev_get_by_index+0x5e/0x80 [17284.855653][ T7704] fib6_nh_init+0x3d8/0x15b0 [17284.855653][ T7704] ip6_route_info_create+0xf18/0x17d0 [17284.855653][ T7704] addrconf_f6i_alloc+0x315/0x560 [17284.855653][ T7704] ipv6_add_addr+0x411/0x2000 [17284.855653][ T7704] inet6_addr_add+0x30e/0xa40 [17284.855653][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17284.855653][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17284.855653][ T7704] netlink_rcv_skb+0x130/0x360 [17284.855653][ T7704] netlink_unicast+0x449/0x710 [17284.855653][ T7704] netlink_sendmsg+0x723/0xbe0 [17284.855653][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17284.855653][ T7704] ___sys_sendmsg+0xee/0x170 [17284.855653][ T7704] __sys_sendmsg+0xcd/0x170 [17284.855653][ T7704] do_syscall_64+0xc6/0x1e0 [17284.855653][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17284.855653][ T7704] [17284.858081][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17284.858081][ T7704] netdev_get_by_index+0x5e/0x80 [17284.858081][ T7704] fib6_nh_init+0x3d8/0x15b0 [17284.858081][ T7704] ip6_route_info_create+0xf18/0x17d0 [17284.858081][ T7704] ip6_route_add+0x1c/0x140 [17284.858081][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17284.858081][ T7704] addrconf_add_dev+0xe2/0x170 [17284.858081][ T7704] inet6_addr_add+0x12f/0xa40 [17284.858081][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17284.858081][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17284.858081][ T7704] netlink_rcv_skb+0x130/0x360 [17284.858081][ T7704] netlink_unicast+0x449/0x710 [17284.858081][ T7704] netlink_sendmsg+0x723/0xbe0 [17284.858081][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17284.858081][ T7704] ___sys_sendmsg+0xee/0x170 [17284.858081][ T7704] __sys_sendmsg+0xcd/0x170 [17284.858081][ T7704] do_syscall_64+0xc6/0x1e0 [17284.858081][ T7704] [17284.860346][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17284.860346][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17284.860346][ T7704] ipv6_find_idev+0x102/0x170 [17284.860346][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17284.860346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17284.860346][ T7704] netlink_rcv_skb+0x130/0x360 [17284.860346][ T7704] netlink_unicast+0x449/0x710 [17284.860346][ T7704] netlink_sendmsg+0x723/0xbe0 [17284.860346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17284.860346][ T7704] ___sys_sendmsg+0xee/0x170 [17284.860346][ T7704] __sys_sendmsg+0xcd/0x170 [17284.860346][ T7704] do_syscall_64+0xc6/0x1e0 [17284.860346][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17284.860346][ T7704] [17284.862235][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17284.862235][ T7704] neigh_parms_alloc+0x1e5/0x510 [17284.862235][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17284.862235][ T7704] ipv6_find_idev+0x102/0x170 [17284.862235][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17284.862235][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17284.862235][ T7704] netlink_rcv_skb+0x130/0x360 [17284.862235][ T7704] netlink_unicast+0x449/0x710 [17284.862235][ T7704] netlink_sendmsg+0x723/0xbe0 [17284.862235][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17284.862235][ T7704] ___sys_sendmsg+0xee/0x170 [17284.862235][ T7704] __sys_sendmsg+0xcd/0x170 [17284.862235][ T7704] do_syscall_64+0xc6/0x1e0 [17284.862235][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17284.862235][ T7704] [17295.100842][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17295.101501][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17295.101501][ T7704] netdev_get_by_index+0x5e/0x80 [17295.101501][ T7704] fib6_nh_init+0x3d8/0x15b0 [17295.101501][ T7704] ip6_route_info_create+0xf18/0x17d0 [17295.101501][ T7704] ip6_route_add+0x1c/0x140 [17295.101501][ T7704] addrconf_prefix_route+0x2a6/0x430 [17295.101501][ T7704] inet6_addr_add+0x4f8/0xa40 [17295.101501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17295.101501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17295.101501][ T7704] netlink_rcv_skb+0x130/0x360 [17295.101501][ T7704] netlink_unicast+0x449/0x710 [17295.101501][ T7704] netlink_sendmsg+0x723/0xbe0 [17295.101501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17295.101501][ T7704] ___sys_sendmsg+0xee/0x170 [17295.101501][ T7704] __sys_sendmsg+0xcd/0x170 [17295.101501][ T7704] do_syscall_64+0xc6/0x1e0 [17295.101501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17295.101501][ T7704] [17295.104025][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17295.104025][ T7704] netdev_get_by_index+0x5e/0x80 [17295.104025][ T7704] fib6_nh_init+0x3d8/0x15b0 [17295.104025][ T7704] ip6_route_info_create+0xf18/0x17d0 [17295.104025][ T7704] addrconf_f6i_alloc+0x315/0x560 [17295.104025][ T7704] ipv6_add_addr+0x411/0x2000 [17295.104025][ T7704] inet6_addr_add+0x30e/0xa40 [17295.104025][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17295.104025][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17295.104025][ T7704] netlink_rcv_skb+0x130/0x360 [17295.104025][ T7704] netlink_unicast+0x449/0x710 [17295.104025][ T7704] netlink_sendmsg+0x723/0xbe0 [17295.104025][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17295.104025][ T7704] ___sys_sendmsg+0xee/0x170 [17295.104025][ T7704] __sys_sendmsg+0xcd/0x170 [17295.104025][ T7704] do_syscall_64+0xc6/0x1e0 [17295.104025][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17295.104025][ T7704] [17295.106395][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17295.106395][ T7704] netdev_get_by_index+0x5e/0x80 [17295.106395][ T7704] fib6_nh_init+0x3d8/0x15b0 [17295.106395][ T7704] ip6_route_info_create+0xf18/0x17d0 [17295.106395][ T7704] ip6_route_add+0x1c/0x140 [17295.106395][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17295.106395][ T7704] addrconf_add_dev+0xe2/0x170 [17295.106395][ T7704] inet6_addr_add+0x12f/0xa40 [17295.106395][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17295.106395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17295.106395][ T7704] netlink_rcv_skb+0x130/0x360 [17295.106395][ T7704] netlink_unicast+0x449/0x710 [17295.106395][ T7704] netlink_sendmsg+0x723/0xbe0 [17295.106395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17295.106395][ T7704] ___sys_sendmsg+0xee/0x170 [17295.106395][ T7704] __sys_sendmsg+0xcd/0x170 [17295.106395][ T7704] do_syscall_64+0xc6/0x1e0 [17295.106395][ T7704] [17295.108728][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17295.108728][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17295.108728][ T7704] ipv6_find_idev+0x102/0x170 [17295.108728][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17295.108728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17295.108728][ T7704] netlink_rcv_skb+0x130/0x360 [17295.108728][ T7704] netlink_unicast+0x449/0x710 [17295.108728][ T7704] netlink_sendmsg+0x723/0xbe0 [17295.108728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17295.108728][ T7704] ___sys_sendmsg+0xee/0x170 [17295.108728][ T7704] __sys_sendmsg+0xcd/0x170 [17295.108728][ T7704] do_syscall_64+0xc6/0x1e0 [17295.108728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17295.108728][ T7704] [17295.111736][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17295.111736][ T7704] neigh_parms_alloc+0x1e5/0x510 [17295.111736][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17295.111736][ T7704] ipv6_find_idev+0x102/0x170 [17295.111736][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17295.111736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17295.111736][ T7704] netlink_rcv_skb+0x130/0x360 [17295.111736][ T7704] netlink_unicast+0x449/0x710 [17295.111736][ T7704] netlink_sendmsg+0x723/0xbe0 [17295.111736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17295.111736][ T7704] ___sys_sendmsg+0xee/0x170 [17295.111736][ T7704] __sys_sendmsg+0xcd/0x170 [17295.111736][ T7704] do_syscall_64+0xc6/0x1e0 [17295.111736][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17295.111736][ T7704] [17305.356867][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17305.358056][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17305.358056][ T7704] netdev_get_by_index+0x5e/0x80 [17305.358056][ T7704] fib6_nh_init+0x3d8/0x15b0 [17305.358056][ T7704] ip6_route_info_create+0xf18/0x17d0 [17305.358056][ T7704] ip6_route_add+0x1c/0x140 [17305.358056][ T7704] addrconf_prefix_route+0x2a6/0x430 [17305.358056][ T7704] inet6_addr_add+0x4f8/0xa40 [17305.358056][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17305.358056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17305.358056][ T7704] netlink_rcv_skb+0x130/0x360 [17305.358056][ T7704] netlink_unicast+0x449/0x710 [17305.358056][ T7704] netlink_sendmsg+0x723/0xbe0 [17305.358056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17305.358056][ T7704] ___sys_sendmsg+0xee/0x170 [17305.358056][ T7704] __sys_sendmsg+0xcd/0x170 [17305.358056][ T7704] do_syscall_64+0xc6/0x1e0 [17305.358056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17305.358056][ T7704] [17305.360371][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17305.360371][ T7704] netdev_get_by_index+0x5e/0x80 [17305.360371][ T7704] fib6_nh_init+0x3d8/0x15b0 [17305.360371][ T7704] ip6_route_info_create+0xf18/0x17d0 [17305.360371][ T7704] addrconf_f6i_alloc+0x315/0x560 [17305.360371][ T7704] ipv6_add_addr+0x411/0x2000 [17305.360371][ T7704] inet6_addr_add+0x30e/0xa40 [17305.360371][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17305.360371][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17305.360371][ T7704] netlink_rcv_skb+0x130/0x360 [17305.360371][ T7704] netlink_unicast+0x449/0x710 [17305.360371][ T7704] netlink_sendmsg+0x723/0xbe0 [17305.360371][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17305.360371][ T7704] ___sys_sendmsg+0xee/0x170 [17305.360371][ T7704] __sys_sendmsg+0xcd/0x170 [17305.360371][ T7704] do_syscall_64+0xc6/0x1e0 [17305.360371][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17305.360371][ T7704] [17305.362629][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17305.362629][ T7704] netdev_get_by_index+0x5e/0x80 [17305.362629][ T7704] fib6_nh_init+0x3d8/0x15b0 [17305.362629][ T7704] ip6_route_info_create+0xf18/0x17d0 [17305.362629][ T7704] ip6_route_add+0x1c/0x140 [17305.362629][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17305.362629][ T7704] addrconf_add_dev+0xe2/0x170 [17305.362629][ T7704] inet6_addr_add+0x12f/0xa40 [17305.362629][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17305.362629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17305.362629][ T7704] netlink_rcv_skb+0x130/0x360 [17305.362629][ T7704] netlink_unicast+0x449/0x710 [17305.362629][ T7704] netlink_sendmsg+0x723/0xbe0 [17305.362629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17305.362629][ T7704] ___sys_sendmsg+0xee/0x170 [17305.362629][ T7704] __sys_sendmsg+0xcd/0x170 [17305.362629][ T7704] do_syscall_64+0xc6/0x1e0 [17305.362629][ T7704] [17305.364807][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17305.364807][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17305.364807][ T7704] ipv6_find_idev+0x102/0x170 [17305.364807][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17305.364807][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17305.364807][ T7704] netlink_rcv_skb+0x130/0x360 [17305.364807][ T7704] netlink_unicast+0x449/0x710 [17305.364807][ T7704] netlink_sendmsg+0x723/0xbe0 [17305.364807][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17305.364807][ T7704] ___sys_sendmsg+0xee/0x170 [17305.364807][ T7704] __sys_sendmsg+0xcd/0x170 [17305.364807][ T7704] do_syscall_64+0xc6/0x1e0 [17305.364807][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17305.364807][ T7704] [17305.366499][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17305.366499][ T7704] neigh_parms_alloc+0x1e5/0x510 [17305.366499][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17305.366499][ T7704] ipv6_find_idev+0x102/0x170 [17305.366499][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17305.366499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17305.366499][ T7704] netlink_rcv_skb+0x130/0x360 [17305.366499][ T7704] netlink_unicast+0x449/0x710 [17305.366499][ T7704] netlink_sendmsg+0x723/0xbe0 [17305.366499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17305.366499][ T7704] ___sys_sendmsg+0xee/0x170 [17305.366499][ T7704] __sys_sendmsg+0xcd/0x170 [17305.366499][ T7704] do_syscall_64+0xc6/0x1e0 [17305.366499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17305.366499][ T7704] [17315.604816][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17315.605396][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17315.605396][ T7704] netdev_get_by_index+0x5e/0x80 [17315.605396][ T7704] fib6_nh_init+0x3d8/0x15b0 [17315.605396][ T7704] ip6_route_info_create+0xf18/0x17d0 [17315.605396][ T7704] ip6_route_add+0x1c/0x140 [17315.605396][ T7704] addrconf_prefix_route+0x2a6/0x430 [17315.605396][ T7704] inet6_addr_add+0x4f8/0xa40 [17315.605396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17315.605396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17315.605396][ T7704] netlink_rcv_skb+0x130/0x360 [17315.605396][ T7704] netlink_unicast+0x449/0x710 [17315.605396][ T7704] netlink_sendmsg+0x723/0xbe0 [17315.605396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17315.605396][ T7704] ___sys_sendmsg+0xee/0x170 [17315.605396][ T7704] __sys_sendmsg+0xcd/0x170 [17315.605396][ T7704] do_syscall_64+0xc6/0x1e0 [17315.605396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17315.605396][ T7704] [17315.607713][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17315.607713][ T7704] netdev_get_by_index+0x5e/0x80 [17315.607713][ T7704] fib6_nh_init+0x3d8/0x15b0 [17315.607713][ T7704] ip6_route_info_create+0xf18/0x17d0 [17315.607713][ T7704] addrconf_f6i_alloc+0x315/0x560 [17315.607713][ T7704] ipv6_add_addr+0x411/0x2000 [17315.607713][ T7704] inet6_addr_add+0x30e/0xa40 [17315.607713][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17315.607713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17315.607713][ T7704] netlink_rcv_skb+0x130/0x360 [17315.607713][ T7704] netlink_unicast+0x449/0x710 [17315.607713][ T7704] netlink_sendmsg+0x723/0xbe0 [17315.607713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17315.607713][ T7704] ___sys_sendmsg+0xee/0x170 [17315.607713][ T7704] __sys_sendmsg+0xcd/0x170 [17315.607713][ T7704] do_syscall_64+0xc6/0x1e0 [17315.607713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17315.607713][ T7704] [17315.610036][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17315.610036][ T7704] netdev_get_by_index+0x5e/0x80 [17315.610036][ T7704] fib6_nh_init+0x3d8/0x15b0 [17315.610036][ T7704] ip6_route_info_create+0xf18/0x17d0 [17315.610036][ T7704] ip6_route_add+0x1c/0x140 [17315.610036][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17315.610036][ T7704] addrconf_add_dev+0xe2/0x170 [17315.610036][ T7704] inet6_addr_add+0x12f/0xa40 [17315.610036][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17315.610036][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17315.610036][ T7704] netlink_rcv_skb+0x130/0x360 [17315.610036][ T7704] netlink_unicast+0x449/0x710 [17315.610036][ T7704] netlink_sendmsg+0x723/0xbe0 [17315.610036][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17315.610036][ T7704] ___sys_sendmsg+0xee/0x170 [17315.610036][ T7704] __sys_sendmsg+0xcd/0x170 [17315.610036][ T7704] do_syscall_64+0xc6/0x1e0 [17315.610036][ T7704] [17315.612277][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17315.612277][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17315.612277][ T7704] ipv6_find_idev+0x102/0x170 [17315.612277][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17315.612277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17315.612277][ T7704] netlink_rcv_skb+0x130/0x360 [17315.612277][ T7704] netlink_unicast+0x449/0x710 [17315.612277][ T7704] netlink_sendmsg+0x723/0xbe0 [17315.612277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17315.612277][ T7704] ___sys_sendmsg+0xee/0x170 [17315.612277][ T7704] __sys_sendmsg+0xcd/0x170 [17315.612277][ T7704] do_syscall_64+0xc6/0x1e0 [17315.612277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17315.612277][ T7704] [17315.614026][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17315.614026][ T7704] neigh_parms_alloc+0x1e5/0x510 [17315.614026][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17315.614026][ T7704] ipv6_find_idev+0x102/0x170 [17315.614026][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17315.614026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17315.614026][ T7704] netlink_rcv_skb+0x130/0x360 [17315.614026][ T7704] netlink_unicast+0x449/0x710 [17315.614026][ T7704] netlink_sendmsg+0x723/0xbe0 [17315.614026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17315.614026][ T7704] ___sys_sendmsg+0xee/0x170 [17315.614026][ T7704] __sys_sendmsg+0xcd/0x170 [17315.614026][ T7704] do_syscall_64+0xc6/0x1e0 [17315.614026][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17315.614026][ T7704] [17325.852861][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17325.853380][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17325.853380][ T7704] netdev_get_by_index+0x5e/0x80 [17325.853380][ T7704] fib6_nh_init+0x3d8/0x15b0 [17325.853380][ T7704] ip6_route_info_create+0xf18/0x17d0 [17325.853380][ T7704] ip6_route_add+0x1c/0x140 [17325.853380][ T7704] addrconf_prefix_route+0x2a6/0x430 [17325.853380][ T7704] inet6_addr_add+0x4f8/0xa40 [17325.853380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17325.853380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17325.853380][ T7704] netlink_rcv_skb+0x130/0x360 [17325.853380][ T7704] netlink_unicast+0x449/0x710 [17325.853380][ T7704] netlink_sendmsg+0x723/0xbe0 [17325.853380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17325.853380][ T7704] ___sys_sendmsg+0xee/0x170 [17325.853380][ T7704] __sys_sendmsg+0xcd/0x170 [17325.853380][ T7704] do_syscall_64+0xc6/0x1e0 [17325.853380][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17325.853380][ T7704] [17325.855584][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17325.855584][ T7704] netdev_get_by_index+0x5e/0x80 [17325.855584][ T7704] fib6_nh_init+0x3d8/0x15b0 [17325.855584][ T7704] ip6_route_info_create+0xf18/0x17d0 [17325.855584][ T7704] addrconf_f6i_alloc+0x315/0x560 [17325.855584][ T7704] ipv6_add_addr+0x411/0x2000 [17325.855584][ T7704] inet6_addr_add+0x30e/0xa40 [17325.855584][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17325.855584][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17325.855584][ T7704] netlink_rcv_skb+0x130/0x360 [17325.855584][ T7704] netlink_unicast+0x449/0x710 [17325.855584][ T7704] netlink_sendmsg+0x723/0xbe0 [17325.855584][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17325.855584][ T7704] ___sys_sendmsg+0xee/0x170 [17325.855584][ T7704] __sys_sendmsg+0xcd/0x170 [17325.855584][ T7704] do_syscall_64+0xc6/0x1e0 [17325.855584][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17325.855584][ T7704] [17325.857841][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17325.857841][ T7704] netdev_get_by_index+0x5e/0x80 [17325.857841][ T7704] fib6_nh_init+0x3d8/0x15b0 [17325.857841][ T7704] ip6_route_info_create+0xf18/0x17d0 [17325.857841][ T7704] ip6_route_add+0x1c/0x140 [17325.857841][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17325.857841][ T7704] addrconf_add_dev+0xe2/0x170 [17325.857841][ T7704] inet6_addr_add+0x12f/0xa40 [17325.857841][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17325.857841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17325.857841][ T7704] netlink_rcv_skb+0x130/0x360 [17325.857841][ T7704] netlink_unicast+0x449/0x710 [17325.857841][ T7704] netlink_sendmsg+0x723/0xbe0 [17325.857841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17325.857841][ T7704] ___sys_sendmsg+0xee/0x170 [17325.857841][ T7704] __sys_sendmsg+0xcd/0x170 [17325.857841][ T7704] do_syscall_64+0xc6/0x1e0 [17325.857841][ T7704] [17325.859986][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17325.859986][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17325.859986][ T7704] ipv6_find_idev+0x102/0x170 [17325.859986][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17325.859986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17325.859986][ T7704] netlink_rcv_skb+0x130/0x360 [17325.859986][ T7704] netlink_unicast+0x449/0x710 [17325.859986][ T7704] netlink_sendmsg+0x723/0xbe0 [17325.859986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17325.859986][ T7704] ___sys_sendmsg+0xee/0x170 [17325.859986][ T7704] __sys_sendmsg+0xcd/0x170 [17325.859986][ T7704] do_syscall_64+0xc6/0x1e0 [17325.859986][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17325.859986][ T7704] [17325.861661][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17325.861661][ T7704] neigh_parms_alloc+0x1e5/0x510 [17325.861661][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17325.861661][ T7704] ipv6_find_idev+0x102/0x170 [17325.861661][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17325.861661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17325.861661][ T7704] netlink_rcv_skb+0x130/0x360 [17325.861661][ T7704] netlink_unicast+0x449/0x710 [17325.861661][ T7704] netlink_sendmsg+0x723/0xbe0 [17325.861661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17325.861661][ T7704] ___sys_sendmsg+0xee/0x170 [17325.861661][ T7704] __sys_sendmsg+0xcd/0x170 [17325.861661][ T7704] do_syscall_64+0xc6/0x1e0 [17325.861661][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17325.861661][ T7704] [17335.900887][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17335.901582][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17335.901582][ T7704] netdev_get_by_index+0x5e/0x80 [17335.901582][ T7704] fib6_nh_init+0x3d8/0x15b0 [17335.901582][ T7704] ip6_route_info_create+0xf18/0x17d0 [17335.901582][ T7704] ip6_route_add+0x1c/0x140 [17335.901582][ T7704] addrconf_prefix_route+0x2a6/0x430 [17335.901582][ T7704] inet6_addr_add+0x4f8/0xa40 [17335.901582][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17335.901582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17335.901582][ T7704] netlink_rcv_skb+0x130/0x360 [17335.901582][ T7704] netlink_unicast+0x449/0x710 [17335.901582][ T7704] netlink_sendmsg+0x723/0xbe0 [17335.901582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17335.901582][ T7704] ___sys_sendmsg+0xee/0x170 [17335.901582][ T7704] __sys_sendmsg+0xcd/0x170 [17335.901582][ T7704] do_syscall_64+0xc6/0x1e0 [17335.901582][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17335.901582][ T7704] [17335.904141][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17335.904141][ T7704] netdev_get_by_index+0x5e/0x80 [17335.904141][ T7704] fib6_nh_init+0x3d8/0x15b0 [17335.904141][ T7704] ip6_route_info_create+0xf18/0x17d0 [17335.904141][ T7704] addrconf_f6i_alloc+0x315/0x560 [17335.904141][ T7704] ipv6_add_addr+0x411/0x2000 [17335.904141][ T7704] inet6_addr_add+0x30e/0xa40 [17335.904141][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17335.904141][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17335.904141][ T7704] netlink_rcv_skb+0x130/0x360 [17335.904141][ T7704] netlink_unicast+0x449/0x710 [17335.904141][ T7704] netlink_sendmsg+0x723/0xbe0 [17335.904141][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17335.904141][ T7704] ___sys_sendmsg+0xee/0x170 [17335.904141][ T7704] __sys_sendmsg+0xcd/0x170 [17335.904141][ T7704] do_syscall_64+0xc6/0x1e0 [17335.904141][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17335.904141][ T7704] [17335.906733][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17335.906733][ T7704] netdev_get_by_index+0x5e/0x80 [17335.906733][ T7704] fib6_nh_init+0x3d8/0x15b0 [17335.906733][ T7704] ip6_route_info_create+0xf18/0x17d0 [17335.906733][ T7704] ip6_route_add+0x1c/0x140 [17335.906733][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17335.906733][ T7704] addrconf_add_dev+0xe2/0x170 [17335.906733][ T7704] inet6_addr_add+0x12f/0xa40 [17335.906733][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17335.906733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17335.906733][ T7704] netlink_rcv_skb+0x130/0x360 [17335.906733][ T7704] netlink_unicast+0x449/0x710 [17335.906733][ T7704] netlink_sendmsg+0x723/0xbe0 [17335.906733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17335.906733][ T7704] ___sys_sendmsg+0xee/0x170 [17335.906733][ T7704] __sys_sendmsg+0xcd/0x170 [17335.906733][ T7704] do_syscall_64+0xc6/0x1e0 [17335.906733][ T7704] [17335.909078][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17335.909078][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17335.909078][ T7704] ipv6_find_idev+0x102/0x170 [17335.909078][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17335.909078][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17335.909078][ T7704] netlink_rcv_skb+0x130/0x360 [17335.909078][ T7704] netlink_unicast+0x449/0x710 [17335.909078][ T7704] netlink_sendmsg+0x723/0xbe0 [17335.909078][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17335.909078][ T7704] ___sys_sendmsg+0xee/0x170 [17335.909078][ T7704] __sys_sendmsg+0xcd/0x170 [17335.909078][ T7704] do_syscall_64+0xc6/0x1e0 [17335.909078][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17335.909078][ T7704] [17335.910893][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17335.910893][ T7704] neigh_parms_alloc+0x1e5/0x510 [17335.910893][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17335.910893][ T7704] ipv6_find_idev+0x102/0x170 [17335.910893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17335.910893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17335.910893][ T7704] netlink_rcv_skb+0x130/0x360 [17335.910893][ T7704] netlink_unicast+0x449/0x710 [17335.910893][ T7704] netlink_sendmsg+0x723/0xbe0 [17335.910893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17335.910893][ T7704] ___sys_sendmsg+0xee/0x170 [17335.910893][ T7704] __sys_sendmsg+0xcd/0x170 [17335.910893][ T7704] do_syscall_64+0xc6/0x1e0 [17335.910893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17335.910893][ T7704] [17346.164987][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17346.165586][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17346.165586][ T7704] netdev_get_by_index+0x5e/0x80 [17346.165586][ T7704] fib6_nh_init+0x3d8/0x15b0 [17346.165586][ T7704] ip6_route_info_create+0xf18/0x17d0 [17346.165586][ T7704] ip6_route_add+0x1c/0x140 [17346.165586][ T7704] addrconf_prefix_route+0x2a6/0x430 [17346.165586][ T7704] inet6_addr_add+0x4f8/0xa40 [17346.165586][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17346.165586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17346.165586][ T7704] netlink_rcv_skb+0x130/0x360 [17346.165586][ T7704] netlink_unicast+0x449/0x710 [17346.165586][ T7704] netlink_sendmsg+0x723/0xbe0 [17346.165586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17346.165586][ T7704] ___sys_sendmsg+0xee/0x170 [17346.165586][ T7704] __sys_sendmsg+0xcd/0x170 [17346.165586][ T7704] do_syscall_64+0xc6/0x1e0 [17346.165586][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17346.165586][ T7704] [17346.167855][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17346.167855][ T7704] netdev_get_by_index+0x5e/0x80 [17346.167855][ T7704] fib6_nh_init+0x3d8/0x15b0 [17346.167855][ T7704] ip6_route_info_create+0xf18/0x17d0 [17346.167855][ T7704] addrconf_f6i_alloc+0x315/0x560 [17346.167855][ T7704] ipv6_add_addr+0x411/0x2000 [17346.167855][ T7704] inet6_addr_add+0x30e/0xa40 [17346.167855][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17346.167855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17346.167855][ T7704] netlink_rcv_skb+0x130/0x360 [17346.167855][ T7704] netlink_unicast+0x449/0x710 [17346.167855][ T7704] netlink_sendmsg+0x723/0xbe0 [17346.167855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17346.167855][ T7704] ___sys_sendmsg+0xee/0x170 [17346.167855][ T7704] __sys_sendmsg+0xcd/0x170 [17346.167855][ T7704] do_syscall_64+0xc6/0x1e0 [17346.167855][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17346.167855][ T7704] [17346.170254][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17346.170254][ T7704] netdev_get_by_index+0x5e/0x80 [17346.170254][ T7704] fib6_nh_init+0x3d8/0x15b0 [17346.170254][ T7704] ip6_route_info_create+0xf18/0x17d0 [17346.170254][ T7704] ip6_route_add+0x1c/0x140 [17346.170254][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17346.170254][ T7704] addrconf_add_dev+0xe2/0x170 [17346.170254][ T7704] inet6_addr_add+0x12f/0xa40 [17346.170254][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17346.170254][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17346.170254][ T7704] netlink_rcv_skb+0x130/0x360 [17346.170254][ T7704] netlink_unicast+0x449/0x710 [17346.170254][ T7704] netlink_sendmsg+0x723/0xbe0 [17346.170254][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17346.170254][ T7704] ___sys_sendmsg+0xee/0x170 [17346.170254][ T7704] __sys_sendmsg+0xcd/0x170 [17346.170254][ T7704] do_syscall_64+0xc6/0x1e0 [17346.170254][ T7704] [17346.172595][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17346.172595][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17346.172595][ T7704] ipv6_find_idev+0x102/0x170 [17346.172595][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17346.172595][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17346.172595][ T7704] netlink_rcv_skb+0x130/0x360 [17346.172595][ T7704] netlink_unicast+0x449/0x710 [17346.172595][ T7704] netlink_sendmsg+0x723/0xbe0 [17346.172595][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17346.172595][ T7704] ___sys_sendmsg+0xee/0x170 [17346.172595][ T7704] __sys_sendmsg+0xcd/0x170 [17346.172595][ T7704] do_syscall_64+0xc6/0x1e0 [17346.172595][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17346.172595][ T7704] [17346.174410][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17346.174410][ T7704] neigh_parms_alloc+0x1e5/0x510 [17346.174410][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17346.174410][ T7704] ipv6_find_idev+0x102/0x170 [17346.174410][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17346.174410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17346.174410][ T7704] netlink_rcv_skb+0x130/0x360 [17346.174410][ T7704] netlink_unicast+0x449/0x710 [17346.174410][ T7704] netlink_sendmsg+0x723/0xbe0 [17346.174410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17346.174410][ T7704] ___sys_sendmsg+0xee/0x170 [17346.174410][ T7704] __sys_sendmsg+0xcd/0x170 [17346.174410][ T7704] do_syscall_64+0xc6/0x1e0 [17346.174410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17346.174410][ T7704] [17356.428873][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17356.429472][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17356.429472][ T7704] netdev_get_by_index+0x5e/0x80 [17356.429472][ T7704] fib6_nh_init+0x3d8/0x15b0 [17356.429472][ T7704] ip6_route_info_create+0xf18/0x17d0 [17356.429472][ T7704] ip6_route_add+0x1c/0x140 [17356.429472][ T7704] addrconf_prefix_route+0x2a6/0x430 [17356.429472][ T7704] inet6_addr_add+0x4f8/0xa40 [17356.429472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17356.429472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17356.429472][ T7704] netlink_rcv_skb+0x130/0x360 [17356.429472][ T7704] netlink_unicast+0x449/0x710 [17356.429472][ T7704] netlink_sendmsg+0x723/0xbe0 [17356.429472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17356.429472][ T7704] ___sys_sendmsg+0xee/0x170 [17356.429472][ T7704] __sys_sendmsg+0xcd/0x170 [17356.429472][ T7704] do_syscall_64+0xc6/0x1e0 [17356.429472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17356.429472][ T7704] [17356.431952][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17356.431952][ T7704] netdev_get_by_index+0x5e/0x80 [17356.431952][ T7704] fib6_nh_init+0x3d8/0x15b0 [17356.431952][ T7704] ip6_route_info_create+0xf18/0x17d0 [17356.431952][ T7704] addrconf_f6i_alloc+0x315/0x560 [17356.431952][ T7704] ipv6_add_addr+0x411/0x2000 [17356.431952][ T7704] inet6_addr_add+0x30e/0xa40 [17356.431952][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17356.431952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17356.431952][ T7704] netlink_rcv_skb+0x130/0x360 [17356.431952][ T7704] netlink_unicast+0x449/0x710 [17356.431952][ T7704] netlink_sendmsg+0x723/0xbe0 [17356.431952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17356.431952][ T7704] ___sys_sendmsg+0xee/0x170 [17356.431952][ T7704] __sys_sendmsg+0xcd/0x170 [17356.431952][ T7704] do_syscall_64+0xc6/0x1e0 [17356.431952][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17356.431952][ T7704] [17356.434318][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17356.434318][ T7704] netdev_get_by_index+0x5e/0x80 [17356.434318][ T7704] fib6_nh_init+0x3d8/0x15b0 [17356.434318][ T7704] ip6_route_info_create+0xf18/0x17d0 [17356.434318][ T7704] ip6_route_add+0x1c/0x140 [17356.434318][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17356.434318][ T7704] addrconf_add_dev+0xe2/0x170 [17356.434318][ T7704] inet6_addr_add+0x12f/0xa40 [17356.434318][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17356.434318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17356.434318][ T7704] netlink_rcv_skb+0x130/0x360 [17356.434318][ T7704] netlink_unicast+0x449/0x710 [17356.434318][ T7704] netlink_sendmsg+0x723/0xbe0 [17356.434318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17356.434318][ T7704] ___sys_sendmsg+0xee/0x170 [17356.434318][ T7704] __sys_sendmsg+0xcd/0x170 [17356.434318][ T7704] do_syscall_64+0xc6/0x1e0 [17356.434318][ T7704] [17356.436708][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17356.436708][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17356.436708][ T7704] ipv6_find_idev+0x102/0x170 [17356.436708][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17356.436708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17356.436708][ T7704] netlink_rcv_skb+0x130/0x360 [17356.436708][ T7704] netlink_unicast+0x449/0x710 [17356.436708][ T7704] netlink_sendmsg+0x723/0xbe0 [17356.436708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17356.436708][ T7704] ___sys_sendmsg+0xee/0x170 [17356.436708][ T7704] __sys_sendmsg+0xcd/0x170 [17356.436708][ T7704] do_syscall_64+0xc6/0x1e0 [17356.436708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17356.436708][ T7704] [17356.438478][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17356.438478][ T7704] neigh_parms_alloc+0x1e5/0x510 [17356.438478][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17356.438478][ T7704] ipv6_find_idev+0x102/0x170 [17356.438478][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17356.438478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17356.438478][ T7704] netlink_rcv_skb+0x130/0x360 [17356.438478][ T7704] netlink_unicast+0x449/0x710 [17356.438478][ T7704] netlink_sendmsg+0x723/0xbe0 [17356.438478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17356.438478][ T7704] ___sys_sendmsg+0xee/0x170 [17356.438478][ T7704] __sys_sendmsg+0xcd/0x170 [17356.438478][ T7704] do_syscall_64+0xc6/0x1e0 [17356.438478][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17356.438478][ T7704] [17366.684819][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17366.685285][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17366.685285][ T7704] netdev_get_by_index+0x5e/0x80 [17366.685285][ T7704] fib6_nh_init+0x3d8/0x15b0 [17366.685285][ T7704] ip6_route_info_create+0xf18/0x17d0 [17366.685285][ T7704] ip6_route_add+0x1c/0x140 [17366.685285][ T7704] addrconf_prefix_route+0x2a6/0x430 [17366.685285][ T7704] inet6_addr_add+0x4f8/0xa40 [17366.685285][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17366.685285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17366.685285][ T7704] netlink_rcv_skb+0x130/0x360 [17366.685285][ T7704] netlink_unicast+0x449/0x710 [17366.685285][ T7704] netlink_sendmsg+0x723/0xbe0 [17366.685285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17366.685285][ T7704] ___sys_sendmsg+0xee/0x170 [17366.685285][ T7704] __sys_sendmsg+0xcd/0x170 [17366.685285][ T7704] do_syscall_64+0xc6/0x1e0 [17366.685285][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17366.685285][ T7704] [17366.687652][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17366.687652][ T7704] netdev_get_by_index+0x5e/0x80 [17366.687652][ T7704] fib6_nh_init+0x3d8/0x15b0 [17366.687652][ T7704] ip6_route_info_create+0xf18/0x17d0 [17366.687652][ T7704] addrconf_f6i_alloc+0x315/0x560 [17366.687652][ T7704] ipv6_add_addr+0x411/0x2000 [17366.687652][ T7704] inet6_addr_add+0x30e/0xa40 [17366.687652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17366.687652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17366.687652][ T7704] netlink_rcv_skb+0x130/0x360 [17366.687652][ T7704] netlink_unicast+0x449/0x710 [17366.687652][ T7704] netlink_sendmsg+0x723/0xbe0 [17366.687652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17366.687652][ T7704] ___sys_sendmsg+0xee/0x170 [17366.687652][ T7704] __sys_sendmsg+0xcd/0x170 [17366.687652][ T7704] do_syscall_64+0xc6/0x1e0 [17366.687652][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17366.687652][ T7704] [17366.689982][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17366.689982][ T7704] netdev_get_by_index+0x5e/0x80 [17366.689982][ T7704] fib6_nh_init+0x3d8/0x15b0 [17366.689982][ T7704] ip6_route_info_create+0xf18/0x17d0 [17366.689982][ T7704] ip6_route_add+0x1c/0x140 [17366.689982][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17366.689982][ T7704] addrconf_add_dev+0xe2/0x170 [17366.689982][ T7704] inet6_addr_add+0x12f/0xa40 [17366.689982][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17366.689982][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17366.689982][ T7704] netlink_rcv_skb+0x130/0x360 [17366.689982][ T7704] netlink_unicast+0x449/0x710 [17366.689982][ T7704] netlink_sendmsg+0x723/0xbe0 [17366.689982][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17366.689982][ T7704] ___sys_sendmsg+0xee/0x170 [17366.689982][ T7704] __sys_sendmsg+0xcd/0x170 [17366.689982][ T7704] do_syscall_64+0xc6/0x1e0 [17366.689982][ T7704] [17366.692311][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17366.692311][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17366.692311][ T7704] ipv6_find_idev+0x102/0x170 [17366.692311][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17366.692311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17366.692311][ T7704] netlink_rcv_skb+0x130/0x360 [17366.692311][ T7704] netlink_unicast+0x449/0x710 [17366.692311][ T7704] netlink_sendmsg+0x723/0xbe0 [17366.692311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17366.692311][ T7704] ___sys_sendmsg+0xee/0x170 [17366.692311][ T7704] __sys_sendmsg+0xcd/0x170 [17366.692311][ T7704] do_syscall_64+0xc6/0x1e0 [17366.692311][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17366.692311][ T7704] [17366.694042][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17366.694042][ T7704] neigh_parms_alloc+0x1e5/0x510 [17366.694042][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17366.694042][ T7704] ipv6_find_idev+0x102/0x170 [17366.694042][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17366.694042][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17366.694042][ T7704] netlink_rcv_skb+0x130/0x360 [17366.694042][ T7704] netlink_unicast+0x449/0x710 [17366.694042][ T7704] netlink_sendmsg+0x723/0xbe0 [17366.694042][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17366.694042][ T7704] ___sys_sendmsg+0xee/0x170 [17366.694042][ T7704] __sys_sendmsg+0xcd/0x170 [17366.694042][ T7704] do_syscall_64+0xc6/0x1e0 [17366.694042][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17366.694042][ T7704] [17376.940887][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17376.941621][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17376.941621][ T7704] netdev_get_by_index+0x5e/0x80 [17376.941621][ T7704] fib6_nh_init+0x3d8/0x15b0 [17376.941621][ T7704] ip6_route_info_create+0xf18/0x17d0 [17376.941621][ T7704] ip6_route_add+0x1c/0x140 [17376.941621][ T7704] addrconf_prefix_route+0x2a6/0x430 [17376.941621][ T7704] inet6_addr_add+0x4f8/0xa40 [17376.941621][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17376.941621][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17376.941621][ T7704] netlink_rcv_skb+0x130/0x360 [17376.941621][ T7704] netlink_unicast+0x449/0x710 [17376.941621][ T7704] netlink_sendmsg+0x723/0xbe0 [17376.941621][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17376.941621][ T7704] ___sys_sendmsg+0xee/0x170 [17376.941621][ T7704] __sys_sendmsg+0xcd/0x170 [17376.941621][ T7704] do_syscall_64+0xc6/0x1e0 [17376.941621][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17376.941621][ T7704] [17376.943954][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17376.943954][ T7704] netdev_get_by_index+0x5e/0x80 [17376.943954][ T7704] fib6_nh_init+0x3d8/0x15b0 [17376.943954][ T7704] ip6_route_info_create+0xf18/0x17d0 [17376.943954][ T7704] addrconf_f6i_alloc+0x315/0x560 [17376.943954][ T7704] ipv6_add_addr+0x411/0x2000 [17376.943954][ T7704] inet6_addr_add+0x30e/0xa40 [17376.943954][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17376.943954][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17376.943954][ T7704] netlink_rcv_skb+0x130/0x360 [17376.943954][ T7704] netlink_unicast+0x449/0x710 [17376.943954][ T7704] netlink_sendmsg+0x723/0xbe0 [17376.943954][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17376.943954][ T7704] ___sys_sendmsg+0xee/0x170 [17376.943954][ T7704] __sys_sendmsg+0xcd/0x170 [17376.943954][ T7704] do_syscall_64+0xc6/0x1e0 [17376.943954][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17376.943954][ T7704] [17376.946329][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17376.946329][ T7704] netdev_get_by_index+0x5e/0x80 [17376.946329][ T7704] fib6_nh_init+0x3d8/0x15b0 [17376.946329][ T7704] ip6_route_info_create+0xf18/0x17d0 [17376.946329][ T7704] ip6_route_add+0x1c/0x140 [17376.946329][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17376.946329][ T7704] addrconf_add_dev+0xe2/0x170 [17376.946329][ T7704] inet6_addr_add+0x12f/0xa40 [17376.946329][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17376.946329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17376.946329][ T7704] netlink_rcv_skb+0x130/0x360 [17376.946329][ T7704] netlink_unicast+0x449/0x710 [17376.946329][ T7704] netlink_sendmsg+0x723/0xbe0 [17376.946329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17376.946329][ T7704] ___sys_sendmsg+0xee/0x170 [17376.946329][ T7704] __sys_sendmsg+0xcd/0x170 [17376.946329][ T7704] do_syscall_64+0xc6/0x1e0 [17376.946329][ T7704] [17376.948572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17376.948572][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17376.948572][ T7704] ipv6_find_idev+0x102/0x170 [17376.948572][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17376.948572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17376.948572][ T7704] netlink_rcv_skb+0x130/0x360 [17376.948572][ T7704] netlink_unicast+0x449/0x710 [17376.948572][ T7704] netlink_sendmsg+0x723/0xbe0 [17376.948572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17376.948572][ T7704] ___sys_sendmsg+0xee/0x170 [17376.948572][ T7704] __sys_sendmsg+0xcd/0x170 [17376.948572][ T7704] do_syscall_64+0xc6/0x1e0 [17376.948572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17376.948572][ T7704] [17376.950327][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17376.950327][ T7704] neigh_parms_alloc+0x1e5/0x510 [17376.950327][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17376.950327][ T7704] ipv6_find_idev+0x102/0x170 [17376.950327][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17376.950327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17376.950327][ T7704] netlink_rcv_skb+0x130/0x360 [17376.950327][ T7704] netlink_unicast+0x449/0x710 [17376.950327][ T7704] netlink_sendmsg+0x723/0xbe0 [17376.950327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17376.950327][ T7704] ___sys_sendmsg+0xee/0x170 [17376.950327][ T7704] __sys_sendmsg+0xcd/0x170 [17376.950327][ T7704] do_syscall_64+0xc6/0x1e0 [17376.950327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17376.950327][ T7704] [17387.196901][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17387.197441][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17387.197441][ T7704] netdev_get_by_index+0x5e/0x80 [17387.197441][ T7704] fib6_nh_init+0x3d8/0x15b0 [17387.197441][ T7704] ip6_route_info_create+0xf18/0x17d0 [17387.197441][ T7704] ip6_route_add+0x1c/0x140 [17387.197441][ T7704] addrconf_prefix_route+0x2a6/0x430 [17387.197441][ T7704] inet6_addr_add+0x4f8/0xa40 [17387.197441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17387.197441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17387.197441][ T7704] netlink_rcv_skb+0x130/0x360 [17387.197441][ T7704] netlink_unicast+0x449/0x710 [17387.197441][ T7704] netlink_sendmsg+0x723/0xbe0 [17387.197441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17387.197441][ T7704] ___sys_sendmsg+0xee/0x170 [17387.197441][ T7704] __sys_sendmsg+0xcd/0x170 [17387.197441][ T7704] do_syscall_64+0xc6/0x1e0 [17387.197441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17387.197441][ T7704] [17387.199729][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17387.199729][ T7704] netdev_get_by_index+0x5e/0x80 [17387.199729][ T7704] fib6_nh_init+0x3d8/0x15b0 [17387.199729][ T7704] ip6_route_info_create+0xf18/0x17d0 [17387.199729][ T7704] addrconf_f6i_alloc+0x315/0x560 [17387.199729][ T7704] ipv6_add_addr+0x411/0x2000 [17387.199729][ T7704] inet6_addr_add+0x30e/0xa40 [17387.199729][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17387.199729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17387.199729][ T7704] netlink_rcv_skb+0x130/0x360 [17387.199729][ T7704] netlink_unicast+0x449/0x710 [17387.199729][ T7704] netlink_sendmsg+0x723/0xbe0 [17387.199729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17387.199729][ T7704] ___sys_sendmsg+0xee/0x170 [17387.199729][ T7704] __sys_sendmsg+0xcd/0x170 [17387.199729][ T7704] do_syscall_64+0xc6/0x1e0 [17387.199729][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17387.199729][ T7704] [17387.202040][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17387.202040][ T7704] netdev_get_by_index+0x5e/0x80 [17387.202040][ T7704] fib6_nh_init+0x3d8/0x15b0 [17387.202040][ T7704] ip6_route_info_create+0xf18/0x17d0 [17387.202040][ T7704] ip6_route_add+0x1c/0x140 [17387.202040][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17387.202040][ T7704] addrconf_add_dev+0xe2/0x170 [17387.202040][ T7704] inet6_addr_add+0x12f/0xa40 [17387.202040][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17387.202040][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17387.202040][ T7704] netlink_rcv_skb+0x130/0x360 [17387.202040][ T7704] netlink_unicast+0x449/0x710 [17387.202040][ T7704] netlink_sendmsg+0x723/0xbe0 [17387.202040][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17387.202040][ T7704] ___sys_sendmsg+0xee/0x170 [17387.202040][ T7704] __sys_sendmsg+0xcd/0x170 [17387.202040][ T7704] do_syscall_64+0xc6/0x1e0 [17387.202040][ T7704] [17387.204249][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17387.204249][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17387.204249][ T7704] ipv6_find_idev+0x102/0x170 [17387.204249][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17387.204249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17387.204249][ T7704] netlink_rcv_skb+0x130/0x360 [17387.204249][ T7704] netlink_unicast+0x449/0x710 [17387.204249][ T7704] netlink_sendmsg+0x723/0xbe0 [17387.204249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17387.204249][ T7704] ___sys_sendmsg+0xee/0x170 [17387.204249][ T7704] __sys_sendmsg+0xcd/0x170 [17387.204249][ T7704] do_syscall_64+0xc6/0x1e0 [17387.204249][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17387.204249][ T7704] [17387.205997][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17387.205997][ T7704] neigh_parms_alloc+0x1e5/0x510 [17387.205997][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17387.205997][ T7704] ipv6_find_idev+0x102/0x170 [17387.205997][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17387.205997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17387.205997][ T7704] netlink_rcv_skb+0x130/0x360 [17387.205997][ T7704] netlink_unicast+0x449/0x710 [17387.205997][ T7704] netlink_sendmsg+0x723/0xbe0 [17387.205997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17387.205997][ T7704] ___sys_sendmsg+0xee/0x170 [17387.205997][ T7704] __sys_sendmsg+0xcd/0x170 [17387.205997][ T7704] do_syscall_64+0xc6/0x1e0 [17387.205997][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17387.205997][ T7704] [17397.364761][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17397.365334][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17397.365334][ T7704] netdev_get_by_index+0x5e/0x80 [17397.365334][ T7704] fib6_nh_init+0x3d8/0x15b0 [17397.365334][ T7704] ip6_route_info_create+0xf18/0x17d0 [17397.365334][ T7704] ip6_route_add+0x1c/0x140 [17397.365334][ T7704] addrconf_prefix_route+0x2a6/0x430 [17397.365334][ T7704] inet6_addr_add+0x4f8/0xa40 [17397.365334][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17397.365334][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17397.365334][ T7704] netlink_rcv_skb+0x130/0x360 [17397.365334][ T7704] netlink_unicast+0x449/0x710 [17397.365334][ T7704] netlink_sendmsg+0x723/0xbe0 [17397.365334][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17397.365334][ T7704] ___sys_sendmsg+0xee/0x170 [17397.365334][ T7704] __sys_sendmsg+0xcd/0x170 [17397.365334][ T7704] do_syscall_64+0xc6/0x1e0 [17397.365334][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17397.365334][ T7704] [17397.367823][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17397.367823][ T7704] netdev_get_by_index+0x5e/0x80 [17397.367823][ T7704] fib6_nh_init+0x3d8/0x15b0 [17397.367823][ T7704] ip6_route_info_create+0xf18/0x17d0 [17397.367823][ T7704] addrconf_f6i_alloc+0x315/0x560 [17397.367823][ T7704] ipv6_add_addr+0x411/0x2000 [17397.367823][ T7704] inet6_addr_add+0x30e/0xa40 [17397.367823][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17397.367823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17397.367823][ T7704] netlink_rcv_skb+0x130/0x360 [17397.367823][ T7704] netlink_unicast+0x449/0x710 [17397.367823][ T7704] netlink_sendmsg+0x723/0xbe0 [17397.367823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17397.367823][ T7704] ___sys_sendmsg+0xee/0x170 [17397.367823][ T7704] __sys_sendmsg+0xcd/0x170 [17397.367823][ T7704] do_syscall_64+0xc6/0x1e0 [17397.367823][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17397.367823][ T7704] [17397.370287][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17397.370287][ T7704] netdev_get_by_index+0x5e/0x80 [17397.370287][ T7704] fib6_nh_init+0x3d8/0x15b0 [17397.370287][ T7704] ip6_route_info_create+0xf18/0x17d0 [17397.370287][ T7704] ip6_route_add+0x1c/0x140 [17397.370287][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17397.370287][ T7704] addrconf_add_dev+0xe2/0x170 [17397.370287][ T7704] inet6_addr_add+0x12f/0xa40 [17397.370287][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17397.370287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17397.370287][ T7704] netlink_rcv_skb+0x130/0x360 [17397.370287][ T7704] netlink_unicast+0x449/0x710 [17397.370287][ T7704] netlink_sendmsg+0x723/0xbe0 [17397.370287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17397.370287][ T7704] ___sys_sendmsg+0xee/0x170 [17397.370287][ T7704] __sys_sendmsg+0xcd/0x170 [17397.370287][ T7704] do_syscall_64+0xc6/0x1e0 [17397.370287][ T7704] [17397.372709][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17397.372709][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17397.372709][ T7704] ipv6_find_idev+0x102/0x170 [17397.372709][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17397.372709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17397.372709][ T7704] netlink_rcv_skb+0x130/0x360 [17397.372709][ T7704] netlink_unicast+0x449/0x710 [17397.372709][ T7704] netlink_sendmsg+0x723/0xbe0 [17397.372709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17397.372709][ T7704] ___sys_sendmsg+0xee/0x170 [17397.372709][ T7704] __sys_sendmsg+0xcd/0x170 [17397.372709][ T7704] do_syscall_64+0xc6/0x1e0 [17397.372709][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17397.372709][ T7704] [17397.374554][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17397.374554][ T7704] neigh_parms_alloc+0x1e5/0x510 [17397.374554][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17397.374554][ T7704] ipv6_find_idev+0x102/0x170 [17397.374554][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17397.374554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17397.374554][ T7704] netlink_rcv_skb+0x130/0x360 [17397.374554][ T7704] netlink_unicast+0x449/0x710 [17397.374554][ T7704] netlink_sendmsg+0x723/0xbe0 [17397.374554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17397.374554][ T7704] ___sys_sendmsg+0xee/0x170 [17397.374554][ T7704] __sys_sendmsg+0xcd/0x170 [17397.374554][ T7704] do_syscall_64+0xc6/0x1e0 [17397.374554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17397.374554][ T7704] [17407.612877][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17407.613421][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17407.613421][ T7704] netdev_get_by_index+0x5e/0x80 [17407.613421][ T7704] fib6_nh_init+0x3d8/0x15b0 [17407.613421][ T7704] ip6_route_info_create+0xf18/0x17d0 [17407.613421][ T7704] ip6_route_add+0x1c/0x140 [17407.613421][ T7704] addrconf_prefix_route+0x2a6/0x430 [17407.613421][ T7704] inet6_addr_add+0x4f8/0xa40 [17407.613421][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17407.613421][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17407.613421][ T7704] netlink_rcv_skb+0x130/0x360 [17407.613421][ T7704] netlink_unicast+0x449/0x710 [17407.613421][ T7704] netlink_sendmsg+0x723/0xbe0 [17407.613421][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17407.613421][ T7704] ___sys_sendmsg+0xee/0x170 [17407.613421][ T7704] __sys_sendmsg+0xcd/0x170 [17407.613421][ T7704] do_syscall_64+0xc6/0x1e0 [17407.613421][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17407.613421][ T7704] [17407.615838][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17407.615838][ T7704] netdev_get_by_index+0x5e/0x80 [17407.615838][ T7704] fib6_nh_init+0x3d8/0x15b0 [17407.615838][ T7704] ip6_route_info_create+0xf18/0x17d0 [17407.615838][ T7704] addrconf_f6i_alloc+0x315/0x560 [17407.615838][ T7704] ipv6_add_addr+0x411/0x2000 [17407.615838][ T7704] inet6_addr_add+0x30e/0xa40 [17407.615838][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17407.615838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17407.615838][ T7704] netlink_rcv_skb+0x130/0x360 [17407.615838][ T7704] netlink_unicast+0x449/0x710 [17407.615838][ T7704] netlink_sendmsg+0x723/0xbe0 [17407.615838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17407.615838][ T7704] ___sys_sendmsg+0xee/0x170 [17407.615838][ T7704] __sys_sendmsg+0xcd/0x170 [17407.615838][ T7704] do_syscall_64+0xc6/0x1e0 [17407.615838][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17407.615838][ T7704] [17407.618689][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17407.618689][ T7704] netdev_get_by_index+0x5e/0x80 [17407.618689][ T7704] fib6_nh_init+0x3d8/0x15b0 [17407.618689][ T7704] ip6_route_info_create+0xf18/0x17d0 [17407.618689][ T7704] ip6_route_add+0x1c/0x140 [17407.618689][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17407.618689][ T7704] addrconf_add_dev+0xe2/0x170 [17407.618689][ T7704] inet6_addr_add+0x12f/0xa40 [17407.618689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17407.618689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17407.618689][ T7704] netlink_rcv_skb+0x130/0x360 [17407.618689][ T7704] netlink_unicast+0x449/0x710 [17407.618689][ T7704] netlink_sendmsg+0x723/0xbe0 [17407.618689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17407.618689][ T7704] ___sys_sendmsg+0xee/0x170 [17407.618689][ T7704] __sys_sendmsg+0xcd/0x170 [17407.618689][ T7704] do_syscall_64+0xc6/0x1e0 [17407.618689][ T7704] [17407.621336][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17407.621336][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17407.621336][ T7704] ipv6_find_idev+0x102/0x170 [17407.621336][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17407.621336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17407.621336][ T7704] netlink_rcv_skb+0x130/0x360 [17407.621336][ T7704] netlink_unicast+0x449/0x710 [17407.621336][ T7704] netlink_sendmsg+0x723/0xbe0 [17407.621336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17407.621336][ T7704] ___sys_sendmsg+0xee/0x170 [17407.621336][ T7704] __sys_sendmsg+0xcd/0x170 [17407.621336][ T7704] do_syscall_64+0xc6/0x1e0 [17407.621336][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17407.621336][ T7704] [17407.623131][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17407.623131][ T7704] neigh_parms_alloc+0x1e5/0x510 [17407.623131][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17407.623131][ T7704] ipv6_find_idev+0x102/0x170 [17407.623131][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17407.623131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17407.623131][ T7704] netlink_rcv_skb+0x130/0x360 [17407.623131][ T7704] netlink_unicast+0x449/0x710 [17407.623131][ T7704] netlink_sendmsg+0x723/0xbe0 [17407.623131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17407.623131][ T7704] ___sys_sendmsg+0xee/0x170 [17407.623131][ T7704] __sys_sendmsg+0xcd/0x170 [17407.623131][ T7704] do_syscall_64+0xc6/0x1e0 [17407.623131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17407.623131][ T7704] [17417.860833][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17417.861315][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17417.861315][ T7704] netdev_get_by_index+0x5e/0x80 [17417.861315][ T7704] fib6_nh_init+0x3d8/0x15b0 [17417.861315][ T7704] ip6_route_info_create+0xf18/0x17d0 [17417.861315][ T7704] ip6_route_add+0x1c/0x140 [17417.861315][ T7704] addrconf_prefix_route+0x2a6/0x430 [17417.861315][ T7704] inet6_addr_add+0x4f8/0xa40 [17417.861315][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17417.861315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17417.861315][ T7704] netlink_rcv_skb+0x130/0x360 [17417.861315][ T7704] netlink_unicast+0x449/0x710 [17417.861315][ T7704] netlink_sendmsg+0x723/0xbe0 [17417.861315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17417.861315][ T7704] ___sys_sendmsg+0xee/0x170 [17417.861315][ T7704] __sys_sendmsg+0xcd/0x170 [17417.861315][ T7704] do_syscall_64+0xc6/0x1e0 [17417.861315][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17417.861315][ T7704] [17417.863672][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17417.863672][ T7704] netdev_get_by_index+0x5e/0x80 [17417.863672][ T7704] fib6_nh_init+0x3d8/0x15b0 [17417.863672][ T7704] ip6_route_info_create+0xf18/0x17d0 [17417.863672][ T7704] addrconf_f6i_alloc+0x315/0x560 [17417.863672][ T7704] ipv6_add_addr+0x411/0x2000 [17417.863672][ T7704] inet6_addr_add+0x30e/0xa40 [17417.863672][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17417.863672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17417.863672][ T7704] netlink_rcv_skb+0x130/0x360 [17417.863672][ T7704] netlink_unicast+0x449/0x710 [17417.863672][ T7704] netlink_sendmsg+0x723/0xbe0 [17417.863672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17417.863672][ T7704] ___sys_sendmsg+0xee/0x170 [17417.863672][ T7704] __sys_sendmsg+0xcd/0x170 [17417.863672][ T7704] do_syscall_64+0xc6/0x1e0 [17417.863672][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17417.863672][ T7704] [17417.865943][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17417.865943][ T7704] netdev_get_by_index+0x5e/0x80 [17417.865943][ T7704] fib6_nh_init+0x3d8/0x15b0 [17417.865943][ T7704] ip6_route_info_create+0xf18/0x17d0 [17417.865943][ T7704] ip6_route_add+0x1c/0x140 [17417.865943][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17417.865943][ T7704] addrconf_add_dev+0xe2/0x170 [17417.865943][ T7704] inet6_addr_add+0x12f/0xa40 [17417.865943][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17417.865943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17417.865943][ T7704] netlink_rcv_skb+0x130/0x360 [17417.865943][ T7704] netlink_unicast+0x449/0x710 [17417.865943][ T7704] netlink_sendmsg+0x723/0xbe0 [17417.865943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17417.865943][ T7704] ___sys_sendmsg+0xee/0x170 [17417.865943][ T7704] __sys_sendmsg+0xcd/0x170 [17417.865943][ T7704] do_syscall_64+0xc6/0x1e0 [17417.865943][ T7704] [17417.868166][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17417.868166][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17417.868166][ T7704] ipv6_find_idev+0x102/0x170 [17417.868166][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17417.868166][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17417.868166][ T7704] netlink_rcv_skb+0x130/0x360 [17417.868166][ T7704] netlink_unicast+0x449/0x710 [17417.868166][ T7704] netlink_sendmsg+0x723/0xbe0 [17417.868166][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17417.868166][ T7704] ___sys_sendmsg+0xee/0x170 [17417.868166][ T7704] __sys_sendmsg+0xcd/0x170 [17417.868166][ T7704] do_syscall_64+0xc6/0x1e0 [17417.868166][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17417.868166][ T7704] [17417.870083][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17417.870083][ T7704] neigh_parms_alloc+0x1e5/0x510 [17417.870083][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17417.870083][ T7704] ipv6_find_idev+0x102/0x170 [17417.870083][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17417.870083][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17417.870083][ T7704] netlink_rcv_skb+0x130/0x360 [17417.870083][ T7704] netlink_unicast+0x449/0x710 [17417.870083][ T7704] netlink_sendmsg+0x723/0xbe0 [17417.870083][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17417.870083][ T7704] ___sys_sendmsg+0xee/0x170 [17417.870083][ T7704] __sys_sendmsg+0xcd/0x170 [17417.870083][ T7704] do_syscall_64+0xc6/0x1e0 [17417.870083][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17417.870083][ T7704] [17428.108882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17428.109472][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17428.109472][ T7704] netdev_get_by_index+0x5e/0x80 [17428.109472][ T7704] fib6_nh_init+0x3d8/0x15b0 [17428.109472][ T7704] ip6_route_info_create+0xf18/0x17d0 [17428.109472][ T7704] ip6_route_add+0x1c/0x140 [17428.109472][ T7704] addrconf_prefix_route+0x2a6/0x430 [17428.109472][ T7704] inet6_addr_add+0x4f8/0xa40 [17428.109472][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17428.109472][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17428.109472][ T7704] netlink_rcv_skb+0x130/0x360 [17428.109472][ T7704] netlink_unicast+0x449/0x710 [17428.109472][ T7704] netlink_sendmsg+0x723/0xbe0 [17428.109472][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17428.109472][ T7704] ___sys_sendmsg+0xee/0x170 [17428.109472][ T7704] __sys_sendmsg+0xcd/0x170 [17428.109472][ T7704] do_syscall_64+0xc6/0x1e0 [17428.109472][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17428.109472][ T7704] [17428.111739][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17428.111739][ T7704] netdev_get_by_index+0x5e/0x80 [17428.111739][ T7704] fib6_nh_init+0x3d8/0x15b0 [17428.111739][ T7704] ip6_route_info_create+0xf18/0x17d0 [17428.111739][ T7704] addrconf_f6i_alloc+0x315/0x560 [17428.111739][ T7704] ipv6_add_addr+0x411/0x2000 [17428.111739][ T7704] inet6_addr_add+0x30e/0xa40 [17428.111739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17428.111739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17428.111739][ T7704] netlink_rcv_skb+0x130/0x360 [17428.111739][ T7704] netlink_unicast+0x449/0x710 [17428.111739][ T7704] netlink_sendmsg+0x723/0xbe0 [17428.111739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17428.111739][ T7704] ___sys_sendmsg+0xee/0x170 [17428.111739][ T7704] __sys_sendmsg+0xcd/0x170 [17428.111739][ T7704] do_syscall_64+0xc6/0x1e0 [17428.111739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17428.111739][ T7704] [17428.113958][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17428.113958][ T7704] netdev_get_by_index+0x5e/0x80 [17428.113958][ T7704] fib6_nh_init+0x3d8/0x15b0 [17428.113958][ T7704] ip6_route_info_create+0xf18/0x17d0 [17428.113958][ T7704] ip6_route_add+0x1c/0x140 [17428.113958][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17428.113958][ T7704] addrconf_add_dev+0xe2/0x170 [17428.113958][ T7704] inet6_addr_add+0x12f/0xa40 [17428.113958][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17428.113958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17428.113958][ T7704] netlink_rcv_skb+0x130/0x360 [17428.113958][ T7704] netlink_unicast+0x449/0x710 [17428.113958][ T7704] netlink_sendmsg+0x723/0xbe0 [17428.113958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17428.113958][ T7704] ___sys_sendmsg+0xee/0x170 [17428.113958][ T7704] __sys_sendmsg+0xcd/0x170 [17428.113958][ T7704] do_syscall_64+0xc6/0x1e0 [17428.113958][ T7704] [17428.116240][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17428.116240][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17428.116240][ T7704] ipv6_find_idev+0x102/0x170 [17428.116240][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17428.116240][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17428.116240][ T7704] netlink_rcv_skb+0x130/0x360 [17428.116240][ T7704] netlink_unicast+0x449/0x710 [17428.116240][ T7704] netlink_sendmsg+0x723/0xbe0 [17428.116240][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17428.116240][ T7704] ___sys_sendmsg+0xee/0x170 [17428.116240][ T7704] __sys_sendmsg+0xcd/0x170 [17428.116240][ T7704] do_syscall_64+0xc6/0x1e0 [17428.116240][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17428.116240][ T7704] [17428.118113][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17428.118113][ T7704] neigh_parms_alloc+0x1e5/0x510 [17428.118113][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17428.118113][ T7704] ipv6_find_idev+0x102/0x170 [17428.118113][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17428.118113][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17428.118113][ T7704] netlink_rcv_skb+0x130/0x360 [17428.118113][ T7704] netlink_unicast+0x449/0x710 [17428.118113][ T7704] netlink_sendmsg+0x723/0xbe0 [17428.118113][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17428.118113][ T7704] ___sys_sendmsg+0xee/0x170 [17428.118113][ T7704] __sys_sendmsg+0xcd/0x170 [17428.118113][ T7704] do_syscall_64+0xc6/0x1e0 [17428.118113][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17428.118113][ T7704] [17438.348978][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17438.349574][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17438.349574][ T7704] netdev_get_by_index+0x5e/0x80 [17438.349574][ T7704] fib6_nh_init+0x3d8/0x15b0 [17438.349574][ T7704] ip6_route_info_create+0xf18/0x17d0 [17438.349574][ T7704] ip6_route_add+0x1c/0x140 [17438.349574][ T7704] addrconf_prefix_route+0x2a6/0x430 [17438.349574][ T7704] inet6_addr_add+0x4f8/0xa40 [17438.349574][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17438.349574][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17438.349574][ T7704] netlink_rcv_skb+0x130/0x360 [17438.349574][ T7704] netlink_unicast+0x449/0x710 [17438.349574][ T7704] netlink_sendmsg+0x723/0xbe0 [17438.349574][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17438.349574][ T7704] ___sys_sendmsg+0xee/0x170 [17438.349574][ T7704] __sys_sendmsg+0xcd/0x170 [17438.349574][ T7704] do_syscall_64+0xc6/0x1e0 [17438.349574][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17438.349574][ T7704] [17438.352154][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17438.352154][ T7704] netdev_get_by_index+0x5e/0x80 [17438.352154][ T7704] fib6_nh_init+0x3d8/0x15b0 [17438.352154][ T7704] ip6_route_info_create+0xf18/0x17d0 [17438.352154][ T7704] addrconf_f6i_alloc+0x315/0x560 [17438.352154][ T7704] ipv6_add_addr+0x411/0x2000 [17438.352154][ T7704] inet6_addr_add+0x30e/0xa40 [17438.352154][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17438.352154][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17438.352154][ T7704] netlink_rcv_skb+0x130/0x360 [17438.352154][ T7704] netlink_unicast+0x449/0x710 [17438.352154][ T7704] netlink_sendmsg+0x723/0xbe0 [17438.352154][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17438.352154][ T7704] ___sys_sendmsg+0xee/0x170 [17438.352154][ T7704] __sys_sendmsg+0xcd/0x170 [17438.352154][ T7704] do_syscall_64+0xc6/0x1e0 [17438.352154][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17438.352154][ T7704] [17438.354632][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17438.354632][ T7704] netdev_get_by_index+0x5e/0x80 [17438.354632][ T7704] fib6_nh_init+0x3d8/0x15b0 [17438.354632][ T7704] ip6_route_info_create+0xf18/0x17d0 [17438.354632][ T7704] ip6_route_add+0x1c/0x140 [17438.354632][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17438.354632][ T7704] addrconf_add_dev+0xe2/0x170 [17438.354632][ T7704] inet6_addr_add+0x12f/0xa40 [17438.354632][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17438.354632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17438.354632][ T7704] netlink_rcv_skb+0x130/0x360 [17438.354632][ T7704] netlink_unicast+0x449/0x710 [17438.354632][ T7704] netlink_sendmsg+0x723/0xbe0 [17438.354632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17438.354632][ T7704] ___sys_sendmsg+0xee/0x170 [17438.354632][ T7704] __sys_sendmsg+0xcd/0x170 [17438.354632][ T7704] do_syscall_64+0xc6/0x1e0 [17438.354632][ T7704] [17438.357034][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17438.357034][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17438.357034][ T7704] ipv6_find_idev+0x102/0x170 [17438.357034][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17438.357034][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17438.357034][ T7704] netlink_rcv_skb+0x130/0x360 [17438.357034][ T7704] netlink_unicast+0x449/0x710 [17438.357034][ T7704] netlink_sendmsg+0x723/0xbe0 [17438.357034][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17438.357034][ T7704] ___sys_sendmsg+0xee/0x170 [17438.357034][ T7704] __sys_sendmsg+0xcd/0x170 [17438.357034][ T7704] do_syscall_64+0xc6/0x1e0 [17438.357034][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17438.357034][ T7704] [17438.358839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17438.358839][ T7704] neigh_parms_alloc+0x1e5/0x510 [17438.358839][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17438.358839][ T7704] ipv6_find_idev+0x102/0x170 [17438.358839][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17438.358839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17438.358839][ T7704] netlink_rcv_skb+0x130/0x360 [17438.358839][ T7704] netlink_unicast+0x449/0x710 [17438.358839][ T7704] netlink_sendmsg+0x723/0xbe0 [17438.358839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17438.358839][ T7704] ___sys_sendmsg+0xee/0x170 [17438.358839][ T7704] __sys_sendmsg+0xcd/0x170 [17438.358839][ T7704] do_syscall_64+0xc6/0x1e0 [17438.358839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17438.358839][ T7704] [17448.596879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17448.597541][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17448.597541][ T7704] netdev_get_by_index+0x5e/0x80 [17448.597541][ T7704] fib6_nh_init+0x3d8/0x15b0 [17448.597541][ T7704] ip6_route_info_create+0xf18/0x17d0 [17448.597541][ T7704] ip6_route_add+0x1c/0x140 [17448.597541][ T7704] addrconf_prefix_route+0x2a6/0x430 [17448.597541][ T7704] inet6_addr_add+0x4f8/0xa40 [17448.597541][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17448.597541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17448.597541][ T7704] netlink_rcv_skb+0x130/0x360 [17448.597541][ T7704] netlink_unicast+0x449/0x710 [17448.597541][ T7704] netlink_sendmsg+0x723/0xbe0 [17448.597541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17448.597541][ T7704] ___sys_sendmsg+0xee/0x170 [17448.597541][ T7704] __sys_sendmsg+0xcd/0x170 [17448.597541][ T7704] do_syscall_64+0xc6/0x1e0 [17448.597541][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17448.597541][ T7704] [17448.599989][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17448.599989][ T7704] netdev_get_by_index+0x5e/0x80 [17448.599989][ T7704] fib6_nh_init+0x3d8/0x15b0 [17448.599989][ T7704] ip6_route_info_create+0xf18/0x17d0 [17448.599989][ T7704] addrconf_f6i_alloc+0x315/0x560 [17448.599989][ T7704] ipv6_add_addr+0x411/0x2000 [17448.599989][ T7704] inet6_addr_add+0x30e/0xa40 [17448.599989][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17448.599989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17448.599989][ T7704] netlink_rcv_skb+0x130/0x360 [17448.599989][ T7704] netlink_unicast+0x449/0x710 [17448.599989][ T7704] netlink_sendmsg+0x723/0xbe0 [17448.599989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17448.599989][ T7704] ___sys_sendmsg+0xee/0x170 [17448.599989][ T7704] __sys_sendmsg+0xcd/0x170 [17448.599989][ T7704] do_syscall_64+0xc6/0x1e0 [17448.599989][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17448.599989][ T7704] [17448.602354][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17448.602354][ T7704] netdev_get_by_index+0x5e/0x80 [17448.602354][ T7704] fib6_nh_init+0x3d8/0x15b0 [17448.602354][ T7704] ip6_route_info_create+0xf18/0x17d0 [17448.602354][ T7704] ip6_route_add+0x1c/0x140 [17448.602354][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17448.602354][ T7704] addrconf_add_dev+0xe2/0x170 [17448.602354][ T7704] inet6_addr_add+0x12f/0xa40 [17448.602354][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17448.602354][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17448.602354][ T7704] netlink_rcv_skb+0x130/0x360 [17448.602354][ T7704] netlink_unicast+0x449/0x710 [17448.602354][ T7704] netlink_sendmsg+0x723/0xbe0 [17448.602354][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17448.602354][ T7704] ___sys_sendmsg+0xee/0x170 [17448.602354][ T7704] __sys_sendmsg+0xcd/0x170 [17448.602354][ T7704] do_syscall_64+0xc6/0x1e0 [17448.602354][ T7704] [17448.604752][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17448.604752][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17448.604752][ T7704] ipv6_find_idev+0x102/0x170 [17448.604752][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17448.604752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17448.604752][ T7704] netlink_rcv_skb+0x130/0x360 [17448.604752][ T7704] netlink_unicast+0x449/0x710 [17448.604752][ T7704] netlink_sendmsg+0x723/0xbe0 [17448.604752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17448.604752][ T7704] ___sys_sendmsg+0xee/0x170 [17448.604752][ T7704] __sys_sendmsg+0xcd/0x170 [17448.604752][ T7704] do_syscall_64+0xc6/0x1e0 [17448.604752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17448.604752][ T7704] [17448.606570][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17448.606570][ T7704] neigh_parms_alloc+0x1e5/0x510 [17448.606570][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17448.606570][ T7704] ipv6_find_idev+0x102/0x170 [17448.606570][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17448.606570][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17448.606570][ T7704] netlink_rcv_skb+0x130/0x360 [17448.606570][ T7704] netlink_unicast+0x449/0x710 [17448.606570][ T7704] netlink_sendmsg+0x723/0xbe0 [17448.606570][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17448.606570][ T7704] ___sys_sendmsg+0xee/0x170 [17448.606570][ T7704] __sys_sendmsg+0xcd/0x170 [17448.606570][ T7704] do_syscall_64+0xc6/0x1e0 [17448.606570][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17448.606570][ T7704] [17458.748938][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17458.749591][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17458.749591][ T7704] netdev_get_by_index+0x5e/0x80 [17458.749591][ T7704] fib6_nh_init+0x3d8/0x15b0 [17458.749591][ T7704] ip6_route_info_create+0xf18/0x17d0 [17458.749591][ T7704] ip6_route_add+0x1c/0x140 [17458.749591][ T7704] addrconf_prefix_route+0x2a6/0x430 [17458.749591][ T7704] inet6_addr_add+0x4f8/0xa40 [17458.749591][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17458.749591][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17458.749591][ T7704] netlink_rcv_skb+0x130/0x360 [17458.749591][ T7704] netlink_unicast+0x449/0x710 [17458.749591][ T7704] netlink_sendmsg+0x723/0xbe0 [17458.749591][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17458.749591][ T7704] ___sys_sendmsg+0xee/0x170 [17458.749591][ T7704] __sys_sendmsg+0xcd/0x170 [17458.749591][ T7704] do_syscall_64+0xc6/0x1e0 [17458.749591][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17458.749591][ T7704] [17458.752007][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17458.752007][ T7704] netdev_get_by_index+0x5e/0x80 [17458.752007][ T7704] fib6_nh_init+0x3d8/0x15b0 [17458.752007][ T7704] ip6_route_info_create+0xf18/0x17d0 [17458.752007][ T7704] addrconf_f6i_alloc+0x315/0x560 [17458.752007][ T7704] ipv6_add_addr+0x411/0x2000 [17458.752007][ T7704] inet6_addr_add+0x30e/0xa40 [17458.752007][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17458.752007][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17458.752007][ T7704] netlink_rcv_skb+0x130/0x360 [17458.752007][ T7704] netlink_unicast+0x449/0x710 [17458.752007][ T7704] netlink_sendmsg+0x723/0xbe0 [17458.752007][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17458.752007][ T7704] ___sys_sendmsg+0xee/0x170 [17458.752007][ T7704] __sys_sendmsg+0xcd/0x170 [17458.752007][ T7704] do_syscall_64+0xc6/0x1e0 [17458.752007][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17458.752007][ T7704] [17458.754456][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17458.754456][ T7704] netdev_get_by_index+0x5e/0x80 [17458.754456][ T7704] fib6_nh_init+0x3d8/0x15b0 [17458.754456][ T7704] ip6_route_info_create+0xf18/0x17d0 [17458.754456][ T7704] ip6_route_add+0x1c/0x140 [17458.754456][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17458.754456][ T7704] addrconf_add_dev+0xe2/0x170 [17458.754456][ T7704] inet6_addr_add+0x12f/0xa40 [17458.754456][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17458.754456][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17458.754456][ T7704] netlink_rcv_skb+0x130/0x360 [17458.754456][ T7704] netlink_unicast+0x449/0x710 [17458.754456][ T7704] netlink_sendmsg+0x723/0xbe0 [17458.754456][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17458.754456][ T7704] ___sys_sendmsg+0xee/0x170 [17458.754456][ T7704] __sys_sendmsg+0xcd/0x170 [17458.754456][ T7704] do_syscall_64+0xc6/0x1e0 [17458.754456][ T7704] [17458.756911][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17458.756911][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17458.756911][ T7704] ipv6_find_idev+0x102/0x170 [17458.756911][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17458.756911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17458.756911][ T7704] netlink_rcv_skb+0x130/0x360 [17458.756911][ T7704] netlink_unicast+0x449/0x710 [17458.756911][ T7704] netlink_sendmsg+0x723/0xbe0 [17458.756911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17458.756911][ T7704] ___sys_sendmsg+0xee/0x170 [17458.756911][ T7704] __sys_sendmsg+0xcd/0x170 [17458.756911][ T7704] do_syscall_64+0xc6/0x1e0 [17458.756911][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17458.756911][ T7704] [17458.758830][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17458.758830][ T7704] neigh_parms_alloc+0x1e5/0x510 [17458.758830][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17458.758830][ T7704] ipv6_find_idev+0x102/0x170 [17458.758830][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17458.758830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17458.758830][ T7704] netlink_rcv_skb+0x130/0x360 [17458.758830][ T7704] netlink_unicast+0x449/0x710 [17458.758830][ T7704] netlink_sendmsg+0x723/0xbe0 [17458.758830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17458.758830][ T7704] ___sys_sendmsg+0xee/0x170 [17458.758830][ T7704] __sys_sendmsg+0xcd/0x170 [17458.758830][ T7704] do_syscall_64+0xc6/0x1e0 [17458.758830][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17458.758830][ T7704] [17468.996871][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17468.997465][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17468.997465][ T7704] netdev_get_by_index+0x5e/0x80 [17468.997465][ T7704] fib6_nh_init+0x3d8/0x15b0 [17468.997465][ T7704] ip6_route_info_create+0xf18/0x17d0 [17468.997465][ T7704] ip6_route_add+0x1c/0x140 [17468.997465][ T7704] addrconf_prefix_route+0x2a6/0x430 [17468.997465][ T7704] inet6_addr_add+0x4f8/0xa40 [17468.997465][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17468.997465][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17468.997465][ T7704] netlink_rcv_skb+0x130/0x360 [17468.997465][ T7704] netlink_unicast+0x449/0x710 [17468.997465][ T7704] netlink_sendmsg+0x723/0xbe0 [17468.997465][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17468.997465][ T7704] ___sys_sendmsg+0xee/0x170 [17468.997465][ T7704] __sys_sendmsg+0xcd/0x170 [17468.997465][ T7704] do_syscall_64+0xc6/0x1e0 [17468.997465][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17468.997465][ T7704] [17468.999767][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17468.999767][ T7704] netdev_get_by_index+0x5e/0x80 [17468.999767][ T7704] fib6_nh_init+0x3d8/0x15b0 [17468.999767][ T7704] ip6_route_info_create+0xf18/0x17d0 [17468.999767][ T7704] addrconf_f6i_alloc+0x315/0x560 [17468.999767][ T7704] ipv6_add_addr+0x411/0x2000 [17468.999767][ T7704] inet6_addr_add+0x30e/0xa40 [17468.999767][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17468.999767][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17468.999767][ T7704] netlink_rcv_skb+0x130/0x360 [17468.999767][ T7704] netlink_unicast+0x449/0x710 [17468.999767][ T7704] netlink_sendmsg+0x723/0xbe0 [17468.999767][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17468.999767][ T7704] ___sys_sendmsg+0xee/0x170 [17468.999767][ T7704] __sys_sendmsg+0xcd/0x170 [17468.999767][ T7704] do_syscall_64+0xc6/0x1e0 [17468.999767][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17468.999767][ T7704] [17469.002184][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17469.002184][ T7704] netdev_get_by_index+0x5e/0x80 [17469.002184][ T7704] fib6_nh_init+0x3d8/0x15b0 [17469.002184][ T7704] ip6_route_info_create+0xf18/0x17d0 [17469.002184][ T7704] ip6_route_add+0x1c/0x140 [17469.002184][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17469.002184][ T7704] addrconf_add_dev+0xe2/0x170 [17469.002184][ T7704] inet6_addr_add+0x12f/0xa40 [17469.002184][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17469.002184][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17469.002184][ T7704] netlink_rcv_skb+0x130/0x360 [17469.002184][ T7704] netlink_unicast+0x449/0x710 [17469.002184][ T7704] netlink_sendmsg+0x723/0xbe0 [17469.002184][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17469.002184][ T7704] ___sys_sendmsg+0xee/0x170 [17469.002184][ T7704] __sys_sendmsg+0xcd/0x170 [17469.002184][ T7704] do_syscall_64+0xc6/0x1e0 [17469.002184][ T7704] [17469.004527][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17469.004527][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17469.004527][ T7704] ipv6_find_idev+0x102/0x170 [17469.004527][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17469.004527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17469.004527][ T7704] netlink_rcv_skb+0x130/0x360 [17469.004527][ T7704] netlink_unicast+0x449/0x710 [17469.004527][ T7704] netlink_sendmsg+0x723/0xbe0 [17469.004527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17469.004527][ T7704] ___sys_sendmsg+0xee/0x170 [17469.004527][ T7704] __sys_sendmsg+0xcd/0x170 [17469.004527][ T7704] do_syscall_64+0xc6/0x1e0 [17469.004527][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17469.004527][ T7704] [17469.006260][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17469.006260][ T7704] neigh_parms_alloc+0x1e5/0x510 [17469.006260][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17469.006260][ T7704] ipv6_find_idev+0x102/0x170 [17469.006260][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17469.006260][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17469.006260][ T7704] netlink_rcv_skb+0x130/0x360 [17469.006260][ T7704] netlink_unicast+0x449/0x710 [17469.006260][ T7704] netlink_sendmsg+0x723/0xbe0 [17469.006260][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17469.006260][ T7704] ___sys_sendmsg+0xee/0x170 [17469.006260][ T7704] __sys_sendmsg+0xcd/0x170 [17469.006260][ T7704] do_syscall_64+0xc6/0x1e0 [17469.006260][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17469.006260][ T7704] [17479.245015][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17479.245734][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17479.245734][ T7704] netdev_get_by_index+0x5e/0x80 [17479.245734][ T7704] fib6_nh_init+0x3d8/0x15b0 [17479.245734][ T7704] ip6_route_info_create+0xf18/0x17d0 [17479.245734][ T7704] ip6_route_add+0x1c/0x140 [17479.245734][ T7704] addrconf_prefix_route+0x2a6/0x430 [17479.245734][ T7704] inet6_addr_add+0x4f8/0xa40 [17479.245734][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17479.245734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17479.245734][ T7704] netlink_rcv_skb+0x130/0x360 [17479.245734][ T7704] netlink_unicast+0x449/0x710 [17479.245734][ T7704] netlink_sendmsg+0x723/0xbe0 [17479.245734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17479.245734][ T7704] ___sys_sendmsg+0xee/0x170 [17479.245734][ T7704] __sys_sendmsg+0xcd/0x170 [17479.245734][ T7704] do_syscall_64+0xc6/0x1e0 [17479.245734][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17479.245734][ T7704] [17479.248141][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17479.248141][ T7704] netdev_get_by_index+0x5e/0x80 [17479.248141][ T7704] fib6_nh_init+0x3d8/0x15b0 [17479.248141][ T7704] ip6_route_info_create+0xf18/0x17d0 [17479.248141][ T7704] addrconf_f6i_alloc+0x315/0x560 [17479.248141][ T7704] ipv6_add_addr+0x411/0x2000 [17479.248141][ T7704] inet6_addr_add+0x30e/0xa40 [17479.248141][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17479.248141][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17479.248141][ T7704] netlink_rcv_skb+0x130/0x360 [17479.248141][ T7704] netlink_unicast+0x449/0x710 [17479.248141][ T7704] netlink_sendmsg+0x723/0xbe0 [17479.248141][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17479.248141][ T7704] ___sys_sendmsg+0xee/0x170 [17479.248141][ T7704] __sys_sendmsg+0xcd/0x170 [17479.248141][ T7704] do_syscall_64+0xc6/0x1e0 [17479.248141][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17479.248141][ T7704] [17479.250595][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17479.250595][ T7704] netdev_get_by_index+0x5e/0x80 [17479.250595][ T7704] fib6_nh_init+0x3d8/0x15b0 [17479.250595][ T7704] ip6_route_info_create+0xf18/0x17d0 [17479.250595][ T7704] ip6_route_add+0x1c/0x140 [17479.250595][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17479.250595][ T7704] addrconf_add_dev+0xe2/0x170 [17479.250595][ T7704] inet6_addr_add+0x12f/0xa40 [17479.250595][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17479.250595][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17479.250595][ T7704] netlink_rcv_skb+0x130/0x360 [17479.250595][ T7704] netlink_unicast+0x449/0x710 [17479.250595][ T7704] netlink_sendmsg+0x723/0xbe0 [17479.250595][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17479.250595][ T7704] ___sys_sendmsg+0xee/0x170 [17479.250595][ T7704] __sys_sendmsg+0xcd/0x170 [17479.250595][ T7704] do_syscall_64+0xc6/0x1e0 [17479.250595][ T7704] [17479.253691][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17479.253691][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17479.253691][ T7704] ipv6_find_idev+0x102/0x170 [17479.253691][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17479.253691][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17479.253691][ T7704] netlink_rcv_skb+0x130/0x360 [17479.253691][ T7704] netlink_unicast+0x449/0x710 [17479.253691][ T7704] netlink_sendmsg+0x723/0xbe0 [17479.253691][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17479.253691][ T7704] ___sys_sendmsg+0xee/0x170 [17479.253691][ T7704] __sys_sendmsg+0xcd/0x170 [17479.253691][ T7704] do_syscall_64+0xc6/0x1e0 [17479.253691][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17479.253691][ T7704] [17479.255586][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17479.255586][ T7704] neigh_parms_alloc+0x1e5/0x510 [17479.255586][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17479.255586][ T7704] ipv6_find_idev+0x102/0x170 [17479.255586][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17479.255586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17479.255586][ T7704] netlink_rcv_skb+0x130/0x360 [17479.255586][ T7704] netlink_unicast+0x449/0x710 [17479.255586][ T7704] netlink_sendmsg+0x723/0xbe0 [17479.255586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17479.255586][ T7704] ___sys_sendmsg+0xee/0x170 [17479.255586][ T7704] __sys_sendmsg+0xcd/0x170 [17479.255586][ T7704] do_syscall_64+0xc6/0x1e0 [17479.255586][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17479.255586][ T7704] [17489.492892][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17489.493462][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17489.493462][ T7704] netdev_get_by_index+0x5e/0x80 [17489.493462][ T7704] fib6_nh_init+0x3d8/0x15b0 [17489.493462][ T7704] ip6_route_info_create+0xf18/0x17d0 [17489.493462][ T7704] ip6_route_add+0x1c/0x140 [17489.493462][ T7704] addrconf_prefix_route+0x2a6/0x430 [17489.493462][ T7704] inet6_addr_add+0x4f8/0xa40 [17489.493462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17489.493462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17489.493462][ T7704] netlink_rcv_skb+0x130/0x360 [17489.493462][ T7704] netlink_unicast+0x449/0x710 [17489.493462][ T7704] netlink_sendmsg+0x723/0xbe0 [17489.493462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17489.493462][ T7704] ___sys_sendmsg+0xee/0x170 [17489.493462][ T7704] __sys_sendmsg+0xcd/0x170 [17489.493462][ T7704] do_syscall_64+0xc6/0x1e0 [17489.493462][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17489.493462][ T7704] [17489.495837][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17489.495837][ T7704] netdev_get_by_index+0x5e/0x80 [17489.495837][ T7704] fib6_nh_init+0x3d8/0x15b0 [17489.495837][ T7704] ip6_route_info_create+0xf18/0x17d0 [17489.495837][ T7704] addrconf_f6i_alloc+0x315/0x560 [17489.495837][ T7704] ipv6_add_addr+0x411/0x2000 [17489.495837][ T7704] inet6_addr_add+0x30e/0xa40 [17489.495837][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17489.495837][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17489.495837][ T7704] netlink_rcv_skb+0x130/0x360 [17489.495837][ T7704] netlink_unicast+0x449/0x710 [17489.495837][ T7704] netlink_sendmsg+0x723/0xbe0 [17489.495837][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17489.495837][ T7704] ___sys_sendmsg+0xee/0x170 [17489.495837][ T7704] __sys_sendmsg+0xcd/0x170 [17489.495837][ T7704] do_syscall_64+0xc6/0x1e0 [17489.495837][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17489.495837][ T7704] [17489.498246][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17489.498246][ T7704] netdev_get_by_index+0x5e/0x80 [17489.498246][ T7704] fib6_nh_init+0x3d8/0x15b0 [17489.498246][ T7704] ip6_route_info_create+0xf18/0x17d0 [17489.498246][ T7704] ip6_route_add+0x1c/0x140 [17489.498246][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17489.498246][ T7704] addrconf_add_dev+0xe2/0x170 [17489.498246][ T7704] inet6_addr_add+0x12f/0xa40 [17489.498246][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17489.498246][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17489.498246][ T7704] netlink_rcv_skb+0x130/0x360 [17489.498246][ T7704] netlink_unicast+0x449/0x710 [17489.498246][ T7704] netlink_sendmsg+0x723/0xbe0 [17489.498246][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17489.498246][ T7704] ___sys_sendmsg+0xee/0x170 [17489.498246][ T7704] __sys_sendmsg+0xcd/0x170 [17489.498246][ T7704] do_syscall_64+0xc6/0x1e0 [17489.498246][ T7704] [17489.500728][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17489.500728][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17489.500728][ T7704] ipv6_find_idev+0x102/0x170 [17489.500728][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17489.500728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17489.500728][ T7704] netlink_rcv_skb+0x130/0x360 [17489.500728][ T7704] netlink_unicast+0x449/0x710 [17489.500728][ T7704] netlink_sendmsg+0x723/0xbe0 [17489.500728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17489.500728][ T7704] ___sys_sendmsg+0xee/0x170 [17489.500728][ T7704] __sys_sendmsg+0xcd/0x170 [17489.500728][ T7704] do_syscall_64+0xc6/0x1e0 [17489.500728][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17489.500728][ T7704] [17489.502526][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17489.502526][ T7704] neigh_parms_alloc+0x1e5/0x510 [17489.502526][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17489.502526][ T7704] ipv6_find_idev+0x102/0x170 [17489.502526][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17489.502526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17489.502526][ T7704] netlink_rcv_skb+0x130/0x360 [17489.502526][ T7704] netlink_unicast+0x449/0x710 [17489.502526][ T7704] netlink_sendmsg+0x723/0xbe0 [17489.502526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17489.502526][ T7704] ___sys_sendmsg+0xee/0x170 [17489.502526][ T7704] __sys_sendmsg+0xcd/0x170 [17489.502526][ T7704] do_syscall_64+0xc6/0x1e0 [17489.502526][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17489.502526][ T7704] [17499.540809][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17499.541336][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17499.541336][ T7704] netdev_get_by_index+0x5e/0x80 [17499.541336][ T7704] fib6_nh_init+0x3d8/0x15b0 [17499.541336][ T7704] ip6_route_info_create+0xf18/0x17d0 [17499.541336][ T7704] ip6_route_add+0x1c/0x140 [17499.541336][ T7704] addrconf_prefix_route+0x2a6/0x430 [17499.541336][ T7704] inet6_addr_add+0x4f8/0xa40 [17499.541336][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17499.541336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17499.541336][ T7704] netlink_rcv_skb+0x130/0x360 [17499.541336][ T7704] netlink_unicast+0x449/0x710 [17499.541336][ T7704] netlink_sendmsg+0x723/0xbe0 [17499.541336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17499.541336][ T7704] ___sys_sendmsg+0xee/0x170 [17499.541336][ T7704] __sys_sendmsg+0xcd/0x170 [17499.541336][ T7704] do_syscall_64+0xc6/0x1e0 [17499.541336][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17499.541336][ T7704] [17499.543778][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17499.543778][ T7704] netdev_get_by_index+0x5e/0x80 [17499.543778][ T7704] fib6_nh_init+0x3d8/0x15b0 [17499.543778][ T7704] ip6_route_info_create+0xf18/0x17d0 [17499.543778][ T7704] addrconf_f6i_alloc+0x315/0x560 [17499.543778][ T7704] ipv6_add_addr+0x411/0x2000 [17499.543778][ T7704] inet6_addr_add+0x30e/0xa40 [17499.543778][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17499.543778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17499.543778][ T7704] netlink_rcv_skb+0x130/0x360 [17499.543778][ T7704] netlink_unicast+0x449/0x710 [17499.543778][ T7704] netlink_sendmsg+0x723/0xbe0 [17499.543778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17499.543778][ T7704] ___sys_sendmsg+0xee/0x170 [17499.543778][ T7704] __sys_sendmsg+0xcd/0x170 [17499.543778][ T7704] do_syscall_64+0xc6/0x1e0 [17499.543778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17499.543778][ T7704] [17499.546234][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17499.546234][ T7704] netdev_get_by_index+0x5e/0x80 [17499.546234][ T7704] fib6_nh_init+0x3d8/0x15b0 [17499.546234][ T7704] ip6_route_info_create+0xf18/0x17d0 [17499.546234][ T7704] ip6_route_add+0x1c/0x140 [17499.546234][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17499.546234][ T7704] addrconf_add_dev+0xe2/0x170 [17499.546234][ T7704] inet6_addr_add+0x12f/0xa40 [17499.546234][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17499.546234][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17499.546234][ T7704] netlink_rcv_skb+0x130/0x360 [17499.546234][ T7704] netlink_unicast+0x449/0x710 [17499.546234][ T7704] netlink_sendmsg+0x723/0xbe0 [17499.546234][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17499.546234][ T7704] ___sys_sendmsg+0xee/0x170 [17499.546234][ T7704] __sys_sendmsg+0xcd/0x170 [17499.546234][ T7704] do_syscall_64+0xc6/0x1e0 [17499.546234][ T7704] [17499.548586][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17499.548586][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17499.548586][ T7704] ipv6_find_idev+0x102/0x170 [17499.548586][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17499.548586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17499.548586][ T7704] netlink_rcv_skb+0x130/0x360 [17499.548586][ T7704] netlink_unicast+0x449/0x710 [17499.548586][ T7704] netlink_sendmsg+0x723/0xbe0 [17499.548586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17499.548586][ T7704] ___sys_sendmsg+0xee/0x170 [17499.548586][ T7704] __sys_sendmsg+0xcd/0x170 [17499.548586][ T7704] do_syscall_64+0xc6/0x1e0 [17499.548586][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17499.548586][ T7704] [17499.550481][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17499.550481][ T7704] neigh_parms_alloc+0x1e5/0x510 [17499.550481][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17499.550481][ T7704] ipv6_find_idev+0x102/0x170 [17499.550481][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17499.550481][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17499.550481][ T7704] netlink_rcv_skb+0x130/0x360 [17499.550481][ T7704] netlink_unicast+0x449/0x710 [17499.550481][ T7704] netlink_sendmsg+0x723/0xbe0 [17499.550481][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17499.550481][ T7704] ___sys_sendmsg+0xee/0x170 [17499.550481][ T7704] __sys_sendmsg+0xcd/0x170 [17499.550481][ T7704] do_syscall_64+0xc6/0x1e0 [17499.550481][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17499.550481][ T7704] [17509.700890][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17509.701609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17509.701609][ T7704] netdev_get_by_index+0x5e/0x80 [17509.701609][ T7704] fib6_nh_init+0x3d8/0x15b0 [17509.701609][ T7704] ip6_route_info_create+0xf18/0x17d0 [17509.701609][ T7704] ip6_route_add+0x1c/0x140 [17509.701609][ T7704] addrconf_prefix_route+0x2a6/0x430 [17509.701609][ T7704] inet6_addr_add+0x4f8/0xa40 [17509.701609][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17509.701609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17509.701609][ T7704] netlink_rcv_skb+0x130/0x360 [17509.701609][ T7704] netlink_unicast+0x449/0x710 [17509.701609][ T7704] netlink_sendmsg+0x723/0xbe0 [17509.701609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17509.701609][ T7704] ___sys_sendmsg+0xee/0x170 [17509.701609][ T7704] __sys_sendmsg+0xcd/0x170 [17509.701609][ T7704] do_syscall_64+0xc6/0x1e0 [17509.701609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17509.701609][ T7704] [17509.703944][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17509.703944][ T7704] netdev_get_by_index+0x5e/0x80 [17509.703944][ T7704] fib6_nh_init+0x3d8/0x15b0 [17509.703944][ T7704] ip6_route_info_create+0xf18/0x17d0 [17509.703944][ T7704] addrconf_f6i_alloc+0x315/0x560 [17509.703944][ T7704] ipv6_add_addr+0x411/0x2000 [17509.703944][ T7704] inet6_addr_add+0x30e/0xa40 [17509.703944][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17509.703944][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17509.703944][ T7704] netlink_rcv_skb+0x130/0x360 [17509.703944][ T7704] netlink_unicast+0x449/0x710 [17509.703944][ T7704] netlink_sendmsg+0x723/0xbe0 [17509.703944][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17509.703944][ T7704] ___sys_sendmsg+0xee/0x170 [17509.703944][ T7704] __sys_sendmsg+0xcd/0x170 [17509.703944][ T7704] do_syscall_64+0xc6/0x1e0 [17509.703944][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17509.703944][ T7704] [17509.706198][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17509.706198][ T7704] netdev_get_by_index+0x5e/0x80 [17509.706198][ T7704] fib6_nh_init+0x3d8/0x15b0 [17509.706198][ T7704] ip6_route_info_create+0xf18/0x17d0 [17509.706198][ T7704] ip6_route_add+0x1c/0x140 [17509.706198][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17509.706198][ T7704] addrconf_add_dev+0xe2/0x170 [17509.706198][ T7704] inet6_addr_add+0x12f/0xa40 [17509.706198][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17509.706198][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17509.706198][ T7704] netlink_rcv_skb+0x130/0x360 [17509.706198][ T7704] netlink_unicast+0x449/0x710 [17509.706198][ T7704] netlink_sendmsg+0x723/0xbe0 [17509.706198][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17509.706198][ T7704] ___sys_sendmsg+0xee/0x170 [17509.706198][ T7704] __sys_sendmsg+0xcd/0x170 [17509.706198][ T7704] do_syscall_64+0xc6/0x1e0 [17509.706198][ T7704] [17509.708489][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17509.708489][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17509.708489][ T7704] ipv6_find_idev+0x102/0x170 [17509.708489][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17509.708489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17509.708489][ T7704] netlink_rcv_skb+0x130/0x360 [17509.708489][ T7704] netlink_unicast+0x449/0x710 [17509.708489][ T7704] netlink_sendmsg+0x723/0xbe0 [17509.708489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17509.708489][ T7704] ___sys_sendmsg+0xee/0x170 [17509.708489][ T7704] __sys_sendmsg+0xcd/0x170 [17509.708489][ T7704] do_syscall_64+0xc6/0x1e0 [17509.708489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17509.708489][ T7704] [17509.710220][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17509.710220][ T7704] neigh_parms_alloc+0x1e5/0x510 [17509.710220][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17509.710220][ T7704] ipv6_find_idev+0x102/0x170 [17509.710220][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17509.710220][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17509.710220][ T7704] netlink_rcv_skb+0x130/0x360 [17509.710220][ T7704] netlink_unicast+0x449/0x710 [17509.710220][ T7704] netlink_sendmsg+0x723/0xbe0 [17509.710220][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17509.710220][ T7704] ___sys_sendmsg+0xee/0x170 [17509.710220][ T7704] __sys_sendmsg+0xcd/0x170 [17509.710220][ T7704] do_syscall_64+0xc6/0x1e0 [17509.710220][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17509.710220][ T7704] [17519.948779][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17519.949452][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17519.949452][ T7704] netdev_get_by_index+0x5e/0x80 [17519.949452][ T7704] fib6_nh_init+0x3d8/0x15b0 [17519.949452][ T7704] ip6_route_info_create+0xf18/0x17d0 [17519.949452][ T7704] ip6_route_add+0x1c/0x140 [17519.949452][ T7704] addrconf_prefix_route+0x2a6/0x430 [17519.949452][ T7704] inet6_addr_add+0x4f8/0xa40 [17519.949452][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17519.949452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17519.949452][ T7704] netlink_rcv_skb+0x130/0x360 [17519.949452][ T7704] netlink_unicast+0x449/0x710 [17519.949452][ T7704] netlink_sendmsg+0x723/0xbe0 [17519.949452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17519.949452][ T7704] ___sys_sendmsg+0xee/0x170 [17519.949452][ T7704] __sys_sendmsg+0xcd/0x170 [17519.949452][ T7704] do_syscall_64+0xc6/0x1e0 [17519.949452][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17519.949452][ T7704] [17519.953313][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17519.953313][ T7704] netdev_get_by_index+0x5e/0x80 [17519.953313][ T7704] fib6_nh_init+0x3d8/0x15b0 [17519.953313][ T7704] ip6_route_info_create+0xf18/0x17d0 [17519.953313][ T7704] addrconf_f6i_alloc+0x315/0x560 [17519.953313][ T7704] ipv6_add_addr+0x411/0x2000 [17519.953313][ T7704] inet6_addr_add+0x30e/0xa40 [17519.953313][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17519.953313][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17519.953313][ T7704] netlink_rcv_skb+0x130/0x360 [17519.953313][ T7704] netlink_unicast+0x449/0x710 [17519.953313][ T7704] netlink_sendmsg+0x723/0xbe0 [17519.953313][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17519.953313][ T7704] ___sys_sendmsg+0xee/0x170 [17519.953313][ T7704] __sys_sendmsg+0xcd/0x170 [17519.953313][ T7704] do_syscall_64+0xc6/0x1e0 [17519.953313][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17519.953313][ T7704] [17519.956998][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17519.956998][ T7704] netdev_get_by_index+0x5e/0x80 [17519.956998][ T7704] fib6_nh_init+0x3d8/0x15b0 [17519.956998][ T7704] ip6_route_info_create+0xf18/0x17d0 [17519.956998][ T7704] ip6_route_add+0x1c/0x140 [17519.956998][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17519.956998][ T7704] addrconf_add_dev+0xe2/0x170 [17519.956998][ T7704] inet6_addr_add+0x12f/0xa40 [17519.956998][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17519.956998][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17519.956998][ T7704] netlink_rcv_skb+0x130/0x360 [17519.956998][ T7704] netlink_unicast+0x449/0x710 [17519.956998][ T7704] netlink_sendmsg+0x723/0xbe0 [17519.956998][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17519.956998][ T7704] ___sys_sendmsg+0xee/0x170 [17519.956998][ T7704] __sys_sendmsg+0xcd/0x170 [17519.956998][ T7704] do_syscall_64+0xc6/0x1e0 [17519.956998][ T7704] [17519.960625][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17519.960625][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17519.960625][ T7704] ipv6_find_idev+0x102/0x170 [17519.960625][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17519.960625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17519.960625][ T7704] netlink_rcv_skb+0x130/0x360 [17519.960625][ T7704] netlink_unicast+0x449/0x710 [17519.960625][ T7704] netlink_sendmsg+0x723/0xbe0 [17519.960625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17519.960625][ T7704] ___sys_sendmsg+0xee/0x170 [17519.960625][ T7704] __sys_sendmsg+0xcd/0x170 [17519.960625][ T7704] do_syscall_64+0xc6/0x1e0 [17519.960625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17519.960625][ T7704] [17519.963501][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17519.963501][ T7704] neigh_parms_alloc+0x1e5/0x510 [17519.963501][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17519.963501][ T7704] ipv6_find_idev+0x102/0x170 [17519.963501][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17519.963501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17519.963501][ T7704] netlink_rcv_skb+0x130/0x360 [17519.963501][ T7704] netlink_unicast+0x449/0x710 [17519.963501][ T7704] netlink_sendmsg+0x723/0xbe0 [17519.963501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17519.963501][ T7704] ___sys_sendmsg+0xee/0x170 [17519.963501][ T7704] __sys_sendmsg+0xcd/0x170 [17519.963501][ T7704] do_syscall_64+0xc6/0x1e0 [17519.963501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17519.963501][ T7704] [17530.204825][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17530.205335][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17530.205335][ T7704] netdev_get_by_index+0x5e/0x80 [17530.205335][ T7704] fib6_nh_init+0x3d8/0x15b0 [17530.205335][ T7704] ip6_route_info_create+0xf18/0x17d0 [17530.205335][ T7704] ip6_route_add+0x1c/0x140 [17530.205335][ T7704] addrconf_prefix_route+0x2a6/0x430 [17530.205335][ T7704] inet6_addr_add+0x4f8/0xa40 [17530.205335][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17530.205335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17530.205335][ T7704] netlink_rcv_skb+0x130/0x360 [17530.205335][ T7704] netlink_unicast+0x449/0x710 [17530.205335][ T7704] netlink_sendmsg+0x723/0xbe0 [17530.205335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17530.205335][ T7704] ___sys_sendmsg+0xee/0x170 [17530.205335][ T7704] __sys_sendmsg+0xcd/0x170 [17530.205335][ T7704] do_syscall_64+0xc6/0x1e0 [17530.205335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17530.205335][ T7704] [17530.207617][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17530.207617][ T7704] netdev_get_by_index+0x5e/0x80 [17530.207617][ T7704] fib6_nh_init+0x3d8/0x15b0 [17530.207617][ T7704] ip6_route_info_create+0xf18/0x17d0 [17530.207617][ T7704] addrconf_f6i_alloc+0x315/0x560 [17530.207617][ T7704] ipv6_add_addr+0x411/0x2000 [17530.207617][ T7704] inet6_addr_add+0x30e/0xa40 [17530.207617][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17530.207617][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17530.207617][ T7704] netlink_rcv_skb+0x130/0x360 [17530.207617][ T7704] netlink_unicast+0x449/0x710 [17530.207617][ T7704] netlink_sendmsg+0x723/0xbe0 [17530.207617][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17530.207617][ T7704] ___sys_sendmsg+0xee/0x170 [17530.207617][ T7704] __sys_sendmsg+0xcd/0x170 [17530.207617][ T7704] do_syscall_64+0xc6/0x1e0 [17530.207617][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17530.207617][ T7704] [17530.209852][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17530.209852][ T7704] netdev_get_by_index+0x5e/0x80 [17530.209852][ T7704] fib6_nh_init+0x3d8/0x15b0 [17530.209852][ T7704] ip6_route_info_create+0xf18/0x17d0 [17530.209852][ T7704] ip6_route_add+0x1c/0x140 [17530.209852][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17530.209852][ T7704] addrconf_add_dev+0xe2/0x170 [17530.209852][ T7704] inet6_addr_add+0x12f/0xa40 [17530.209852][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17530.209852][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17530.209852][ T7704] netlink_rcv_skb+0x130/0x360 [17530.209852][ T7704] netlink_unicast+0x449/0x710 [17530.209852][ T7704] netlink_sendmsg+0x723/0xbe0 [17530.209852][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17530.209852][ T7704] ___sys_sendmsg+0xee/0x170 [17530.209852][ T7704] __sys_sendmsg+0xcd/0x170 [17530.209852][ T7704] do_syscall_64+0xc6/0x1e0 [17530.209852][ T7704] [17530.212065][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17530.212065][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17530.212065][ T7704] ipv6_find_idev+0x102/0x170 [17530.212065][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17530.212065][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17530.212065][ T7704] netlink_rcv_skb+0x130/0x360 [17530.212065][ T7704] netlink_unicast+0x449/0x710 [17530.212065][ T7704] netlink_sendmsg+0x723/0xbe0 [17530.212065][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17530.212065][ T7704] ___sys_sendmsg+0xee/0x170 [17530.212065][ T7704] __sys_sendmsg+0xcd/0x170 [17530.212065][ T7704] do_syscall_64+0xc6/0x1e0 [17530.212065][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17530.212065][ T7704] [17530.213760][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17530.213760][ T7704] neigh_parms_alloc+0x1e5/0x510 [17530.213760][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17530.213760][ T7704] ipv6_find_idev+0x102/0x170 [17530.213760][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17530.213760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17530.213760][ T7704] netlink_rcv_skb+0x130/0x360 [17530.213760][ T7704] netlink_unicast+0x449/0x710 [17530.213760][ T7704] netlink_sendmsg+0x723/0xbe0 [17530.213760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17530.213760][ T7704] ___sys_sendmsg+0xee/0x170 [17530.213760][ T7704] __sys_sendmsg+0xcd/0x170 [17530.213760][ T7704] do_syscall_64+0xc6/0x1e0 [17530.213760][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17530.213760][ T7704] [17540.452891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17540.453494][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17540.453494][ T7704] netdev_get_by_index+0x5e/0x80 [17540.453494][ T7704] fib6_nh_init+0x3d8/0x15b0 [17540.453494][ T7704] ip6_route_info_create+0xf18/0x17d0 [17540.453494][ T7704] ip6_route_add+0x1c/0x140 [17540.453494][ T7704] addrconf_prefix_route+0x2a6/0x430 [17540.453494][ T7704] inet6_addr_add+0x4f8/0xa40 [17540.453494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17540.453494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17540.453494][ T7704] netlink_rcv_skb+0x130/0x360 [17540.453494][ T7704] netlink_unicast+0x449/0x710 [17540.453494][ T7704] netlink_sendmsg+0x723/0xbe0 [17540.453494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17540.453494][ T7704] ___sys_sendmsg+0xee/0x170 [17540.453494][ T7704] __sys_sendmsg+0xcd/0x170 [17540.453494][ T7704] do_syscall_64+0xc6/0x1e0 [17540.453494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17540.453494][ T7704] [17540.455738][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17540.455738][ T7704] netdev_get_by_index+0x5e/0x80 [17540.455738][ T7704] fib6_nh_init+0x3d8/0x15b0 [17540.455738][ T7704] ip6_route_info_create+0xf18/0x17d0 [17540.455738][ T7704] addrconf_f6i_alloc+0x315/0x560 [17540.455738][ T7704] ipv6_add_addr+0x411/0x2000 [17540.455738][ T7704] inet6_addr_add+0x30e/0xa40 [17540.455738][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17540.455738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17540.455738][ T7704] netlink_rcv_skb+0x130/0x360 [17540.455738][ T7704] netlink_unicast+0x449/0x710 [17540.455738][ T7704] netlink_sendmsg+0x723/0xbe0 [17540.455738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17540.455738][ T7704] ___sys_sendmsg+0xee/0x170 [17540.455738][ T7704] __sys_sendmsg+0xcd/0x170 [17540.455738][ T7704] do_syscall_64+0xc6/0x1e0 [17540.455738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17540.455738][ T7704] [17540.457901][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17540.457901][ T7704] netdev_get_by_index+0x5e/0x80 [17540.457901][ T7704] fib6_nh_init+0x3d8/0x15b0 [17540.457901][ T7704] ip6_route_info_create+0xf18/0x17d0 [17540.457901][ T7704] ip6_route_add+0x1c/0x140 [17540.457901][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17540.457901][ T7704] addrconf_add_dev+0xe2/0x170 [17540.457901][ T7704] inet6_addr_add+0x12f/0xa40 [17540.457901][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17540.457901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17540.457901][ T7704] netlink_rcv_skb+0x130/0x360 [17540.457901][ T7704] netlink_unicast+0x449/0x710 [17540.457901][ T7704] netlink_sendmsg+0x723/0xbe0 [17540.457901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17540.457901][ T7704] ___sys_sendmsg+0xee/0x170 [17540.457901][ T7704] __sys_sendmsg+0xcd/0x170 [17540.457901][ T7704] do_syscall_64+0xc6/0x1e0 [17540.457901][ T7704] [17540.460018][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17540.460018][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17540.460018][ T7704] ipv6_find_idev+0x102/0x170 [17540.460018][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17540.460018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17540.460018][ T7704] netlink_rcv_skb+0x130/0x360 [17540.460018][ T7704] netlink_unicast+0x449/0x710 [17540.460018][ T7704] netlink_sendmsg+0x723/0xbe0 [17540.460018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17540.460018][ T7704] ___sys_sendmsg+0xee/0x170 [17540.460018][ T7704] __sys_sendmsg+0xcd/0x170 [17540.460018][ T7704] do_syscall_64+0xc6/0x1e0 [17540.460018][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17540.460018][ T7704] [17540.461737][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17540.461737][ T7704] neigh_parms_alloc+0x1e5/0x510 [17540.461737][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17540.461737][ T7704] ipv6_find_idev+0x102/0x170 [17540.461737][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17540.461737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17540.461737][ T7704] netlink_rcv_skb+0x130/0x360 [17540.461737][ T7704] netlink_unicast+0x449/0x710 [17540.461737][ T7704] netlink_sendmsg+0x723/0xbe0 [17540.461737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17540.461737][ T7704] ___sys_sendmsg+0xee/0x170 [17540.461737][ T7704] __sys_sendmsg+0xcd/0x170 [17540.461737][ T7704] do_syscall_64+0xc6/0x1e0 [17540.461737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17540.461737][ T7704] [17550.516872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17550.517417][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17550.517417][ T7704] netdev_get_by_index+0x5e/0x80 [17550.517417][ T7704] fib6_nh_init+0x3d8/0x15b0 [17550.517417][ T7704] ip6_route_info_create+0xf18/0x17d0 [17550.517417][ T7704] ip6_route_add+0x1c/0x140 [17550.517417][ T7704] addrconf_prefix_route+0x2a6/0x430 [17550.517417][ T7704] inet6_addr_add+0x4f8/0xa40 [17550.517417][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17550.517417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17550.517417][ T7704] netlink_rcv_skb+0x130/0x360 [17550.517417][ T7704] netlink_unicast+0x449/0x710 [17550.517417][ T7704] netlink_sendmsg+0x723/0xbe0 [17550.517417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17550.517417][ T7704] ___sys_sendmsg+0xee/0x170 [17550.517417][ T7704] __sys_sendmsg+0xcd/0x170 [17550.517417][ T7704] do_syscall_64+0xc6/0x1e0 [17550.517417][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17550.517417][ T7704] [17550.519605][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17550.519605][ T7704] netdev_get_by_index+0x5e/0x80 [17550.519605][ T7704] fib6_nh_init+0x3d8/0x15b0 [17550.519605][ T7704] ip6_route_info_create+0xf18/0x17d0 [17550.519605][ T7704] addrconf_f6i_alloc+0x315/0x560 [17550.519605][ T7704] ipv6_add_addr+0x411/0x2000 [17550.519605][ T7704] inet6_addr_add+0x30e/0xa40 [17550.519605][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17550.519605][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17550.519605][ T7704] netlink_rcv_skb+0x130/0x360 [17550.519605][ T7704] netlink_unicast+0x449/0x710 [17550.519605][ T7704] netlink_sendmsg+0x723/0xbe0 [17550.519605][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17550.519605][ T7704] ___sys_sendmsg+0xee/0x170 [17550.519605][ T7704] __sys_sendmsg+0xcd/0x170 [17550.519605][ T7704] do_syscall_64+0xc6/0x1e0 [17550.519605][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17550.519605][ T7704] [17550.521820][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17550.521820][ T7704] netdev_get_by_index+0x5e/0x80 [17550.521820][ T7704] fib6_nh_init+0x3d8/0x15b0 [17550.521820][ T7704] ip6_route_info_create+0xf18/0x17d0 [17550.521820][ T7704] ip6_route_add+0x1c/0x140 [17550.521820][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17550.521820][ T7704] addrconf_add_dev+0xe2/0x170 [17550.521820][ T7704] inet6_addr_add+0x12f/0xa40 [17550.521820][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17550.521820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17550.521820][ T7704] netlink_rcv_skb+0x130/0x360 [17550.521820][ T7704] netlink_unicast+0x449/0x710 [17550.521820][ T7704] netlink_sendmsg+0x723/0xbe0 [17550.521820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17550.521820][ T7704] ___sys_sendmsg+0xee/0x170 [17550.521820][ T7704] __sys_sendmsg+0xcd/0x170 [17550.521820][ T7704] do_syscall_64+0xc6/0x1e0 [17550.521820][ T7704] [17550.524006][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17550.524006][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17550.524006][ T7704] ipv6_find_idev+0x102/0x170 [17550.524006][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17550.524006][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17550.524006][ T7704] netlink_rcv_skb+0x130/0x360 [17550.524006][ T7704] netlink_unicast+0x449/0x710 [17550.524006][ T7704] netlink_sendmsg+0x723/0xbe0 [17550.524006][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17550.524006][ T7704] ___sys_sendmsg+0xee/0x170 [17550.524006][ T7704] __sys_sendmsg+0xcd/0x170 [17550.524006][ T7704] do_syscall_64+0xc6/0x1e0 [17550.524006][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17550.524006][ T7704] [17550.525666][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17550.525666][ T7704] neigh_parms_alloc+0x1e5/0x510 [17550.525666][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17550.525666][ T7704] ipv6_find_idev+0x102/0x170 [17550.525666][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17550.525666][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17550.525666][ T7704] netlink_rcv_skb+0x130/0x360 [17550.525666][ T7704] netlink_unicast+0x449/0x710 [17550.525666][ T7704] netlink_sendmsg+0x723/0xbe0 [17550.525666][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17550.525666][ T7704] ___sys_sendmsg+0xee/0x170 [17550.525666][ T7704] __sys_sendmsg+0xcd/0x170 [17550.525666][ T7704] do_syscall_64+0xc6/0x1e0 [17550.525666][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17550.525666][ T7704] [17560.564863][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17560.565485][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17560.565485][ T7704] netdev_get_by_index+0x5e/0x80 [17560.565485][ T7704] fib6_nh_init+0x3d8/0x15b0 [17560.565485][ T7704] ip6_route_info_create+0xf18/0x17d0 [17560.565485][ T7704] ip6_route_add+0x1c/0x140 [17560.565485][ T7704] addrconf_prefix_route+0x2a6/0x430 [17560.565485][ T7704] inet6_addr_add+0x4f8/0xa40 [17560.565485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17560.565485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17560.565485][ T7704] netlink_rcv_skb+0x130/0x360 [17560.565485][ T7704] netlink_unicast+0x449/0x710 [17560.565485][ T7704] netlink_sendmsg+0x723/0xbe0 [17560.565485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17560.565485][ T7704] ___sys_sendmsg+0xee/0x170 [17560.565485][ T7704] __sys_sendmsg+0xcd/0x170 [17560.565485][ T7704] do_syscall_64+0xc6/0x1e0 [17560.565485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17560.565485][ T7704] [17560.567717][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17560.567717][ T7704] netdev_get_by_index+0x5e/0x80 [17560.567717][ T7704] fib6_nh_init+0x3d8/0x15b0 [17560.567717][ T7704] ip6_route_info_create+0xf18/0x17d0 [17560.567717][ T7704] addrconf_f6i_alloc+0x315/0x560 [17560.567717][ T7704] ipv6_add_addr+0x411/0x2000 [17560.567717][ T7704] inet6_addr_add+0x30e/0xa40 [17560.567717][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17560.567717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17560.567717][ T7704] netlink_rcv_skb+0x130/0x360 [17560.567717][ T7704] netlink_unicast+0x449/0x710 [17560.567717][ T7704] netlink_sendmsg+0x723/0xbe0 [17560.567717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17560.567717][ T7704] ___sys_sendmsg+0xee/0x170 [17560.567717][ T7704] __sys_sendmsg+0xcd/0x170 [17560.567717][ T7704] do_syscall_64+0xc6/0x1e0 [17560.567717][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17560.567717][ T7704] [17560.569876][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17560.569876][ T7704] netdev_get_by_index+0x5e/0x80 [17560.569876][ T7704] fib6_nh_init+0x3d8/0x15b0 [17560.569876][ T7704] ip6_route_info_create+0xf18/0x17d0 [17560.569876][ T7704] ip6_route_add+0x1c/0x140 [17560.569876][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17560.569876][ T7704] addrconf_add_dev+0xe2/0x170 [17560.569876][ T7704] inet6_addr_add+0x12f/0xa40 [17560.569876][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17560.569876][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17560.569876][ T7704] netlink_rcv_skb+0x130/0x360 [17560.569876][ T7704] netlink_unicast+0x449/0x710 [17560.569876][ T7704] netlink_sendmsg+0x723/0xbe0 [17560.569876][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17560.569876][ T7704] ___sys_sendmsg+0xee/0x170 [17560.569876][ T7704] __sys_sendmsg+0xcd/0x170 [17560.569876][ T7704] do_syscall_64+0xc6/0x1e0 [17560.569876][ T7704] [17560.572013][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17560.572013][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17560.572013][ T7704] ipv6_find_idev+0x102/0x170 [17560.572013][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17560.572013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17560.572013][ T7704] netlink_rcv_skb+0x130/0x360 [17560.572013][ T7704] netlink_unicast+0x449/0x710 [17560.572013][ T7704] netlink_sendmsg+0x723/0xbe0 [17560.572013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17560.572013][ T7704] ___sys_sendmsg+0xee/0x170 [17560.572013][ T7704] __sys_sendmsg+0xcd/0x170 [17560.572013][ T7704] do_syscall_64+0xc6/0x1e0 [17560.572013][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17560.572013][ T7704] [17560.573690][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17560.573690][ T7704] neigh_parms_alloc+0x1e5/0x510 [17560.573690][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17560.573690][ T7704] ipv6_find_idev+0x102/0x170 [17560.573690][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17560.573690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17560.573690][ T7704] netlink_rcv_skb+0x130/0x360 [17560.573690][ T7704] netlink_unicast+0x449/0x710 [17560.573690][ T7704] netlink_sendmsg+0x723/0xbe0 [17560.573690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17560.573690][ T7704] ___sys_sendmsg+0xee/0x170 [17560.573690][ T7704] __sys_sendmsg+0xcd/0x170 [17560.573690][ T7704] do_syscall_64+0xc6/0x1e0 [17560.573690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17560.573690][ T7704] [17570.684884][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17570.685487][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17570.685487][ T7704] netdev_get_by_index+0x5e/0x80 [17570.685487][ T7704] fib6_nh_init+0x3d8/0x15b0 [17570.685487][ T7704] ip6_route_info_create+0xf18/0x17d0 [17570.685487][ T7704] ip6_route_add+0x1c/0x140 [17570.685487][ T7704] addrconf_prefix_route+0x2a6/0x430 [17570.685487][ T7704] inet6_addr_add+0x4f8/0xa40 [17570.685487][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17570.685487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17570.685487][ T7704] netlink_rcv_skb+0x130/0x360 [17570.685487][ T7704] netlink_unicast+0x449/0x710 [17570.685487][ T7704] netlink_sendmsg+0x723/0xbe0 [17570.685487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17570.685487][ T7704] ___sys_sendmsg+0xee/0x170 [17570.685487][ T7704] __sys_sendmsg+0xcd/0x170 [17570.685487][ T7704] do_syscall_64+0xc6/0x1e0 [17570.685487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17570.685487][ T7704] [17570.688274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17570.688274][ T7704] netdev_get_by_index+0x5e/0x80 [17570.688274][ T7704] fib6_nh_init+0x3d8/0x15b0 [17570.688274][ T7704] ip6_route_info_create+0xf18/0x17d0 [17570.688274][ T7704] addrconf_f6i_alloc+0x315/0x560 [17570.688274][ T7704] ipv6_add_addr+0x411/0x2000 [17570.688274][ T7704] inet6_addr_add+0x30e/0xa40 [17570.688274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17570.688274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17570.688274][ T7704] netlink_rcv_skb+0x130/0x360 [17570.688274][ T7704] netlink_unicast+0x449/0x710 [17570.688274][ T7704] netlink_sendmsg+0x723/0xbe0 [17570.688274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17570.688274][ T7704] ___sys_sendmsg+0xee/0x170 [17570.688274][ T7704] __sys_sendmsg+0xcd/0x170 [17570.688274][ T7704] do_syscall_64+0xc6/0x1e0 [17570.688274][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17570.688274][ T7704] [17570.690495][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17570.690495][ T7704] netdev_get_by_index+0x5e/0x80 [17570.690495][ T7704] fib6_nh_init+0x3d8/0x15b0 [17570.690495][ T7704] ip6_route_info_create+0xf18/0x17d0 [17570.690495][ T7704] ip6_route_add+0x1c/0x140 [17570.690495][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17570.690495][ T7704] addrconf_add_dev+0xe2/0x170 [17570.690495][ T7704] inet6_addr_add+0x12f/0xa40 [17570.690495][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17570.690495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17570.690495][ T7704] netlink_rcv_skb+0x130/0x360 [17570.690495][ T7704] netlink_unicast+0x449/0x710 [17570.690495][ T7704] netlink_sendmsg+0x723/0xbe0 [17570.690495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17570.690495][ T7704] ___sys_sendmsg+0xee/0x170 [17570.690495][ T7704] __sys_sendmsg+0xcd/0x170 [17570.690495][ T7704] do_syscall_64+0xc6/0x1e0 [17570.690495][ T7704] [17570.692679][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17570.692679][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17570.692679][ T7704] ipv6_find_idev+0x102/0x170 [17570.692679][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17570.692679][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17570.692679][ T7704] netlink_rcv_skb+0x130/0x360 [17570.692679][ T7704] netlink_unicast+0x449/0x710 [17570.692679][ T7704] netlink_sendmsg+0x723/0xbe0 [17570.692679][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17570.692679][ T7704] ___sys_sendmsg+0xee/0x170 [17570.692679][ T7704] __sys_sendmsg+0xcd/0x170 [17570.692679][ T7704] do_syscall_64+0xc6/0x1e0 [17570.692679][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17570.692679][ T7704] [17570.694737][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17570.694737][ T7704] neigh_parms_alloc+0x1e5/0x510 [17570.694737][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17570.694737][ T7704] ipv6_find_idev+0x102/0x170 [17570.694737][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17570.694737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17570.694737][ T7704] netlink_rcv_skb+0x130/0x360 [17570.694737][ T7704] netlink_unicast+0x449/0x710 [17570.694737][ T7704] netlink_sendmsg+0x723/0xbe0 [17570.694737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17570.694737][ T7704] ___sys_sendmsg+0xee/0x170 [17570.694737][ T7704] __sys_sendmsg+0xcd/0x170 [17570.694737][ T7704] do_syscall_64+0xc6/0x1e0 [17570.694737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17570.694737][ T7704] [17580.932864][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17580.933624][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17580.933624][ T7704] netdev_get_by_index+0x5e/0x80 [17580.933624][ T7704] fib6_nh_init+0x3d8/0x15b0 [17580.933624][ T7704] ip6_route_info_create+0xf18/0x17d0 [17580.933624][ T7704] ip6_route_add+0x1c/0x140 [17580.933624][ T7704] addrconf_prefix_route+0x2a6/0x430 [17580.933624][ T7704] inet6_addr_add+0x4f8/0xa40 [17580.933624][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17580.933624][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17580.933624][ T7704] netlink_rcv_skb+0x130/0x360 [17580.933624][ T7704] netlink_unicast+0x449/0x710 [17580.933624][ T7704] netlink_sendmsg+0x723/0xbe0 [17580.933624][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17580.933624][ T7704] ___sys_sendmsg+0xee/0x170 [17580.933624][ T7704] __sys_sendmsg+0xcd/0x170 [17580.933624][ T7704] do_syscall_64+0xc6/0x1e0 [17580.933624][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17580.933624][ T7704] [17580.935873][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17580.935873][ T7704] netdev_get_by_index+0x5e/0x80 [17580.935873][ T7704] fib6_nh_init+0x3d8/0x15b0 [17580.935873][ T7704] ip6_route_info_create+0xf18/0x17d0 [17580.935873][ T7704] addrconf_f6i_alloc+0x315/0x560 [17580.935873][ T7704] ipv6_add_addr+0x411/0x2000 [17580.935873][ T7704] inet6_addr_add+0x30e/0xa40 [17580.935873][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17580.935873][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17580.935873][ T7704] netlink_rcv_skb+0x130/0x360 [17580.935873][ T7704] netlink_unicast+0x449/0x710 [17580.935873][ T7704] netlink_sendmsg+0x723/0xbe0 [17580.935873][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17580.935873][ T7704] ___sys_sendmsg+0xee/0x170 [17580.935873][ T7704] __sys_sendmsg+0xcd/0x170 [17580.935873][ T7704] do_syscall_64+0xc6/0x1e0 [17580.935873][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17580.935873][ T7704] [17580.938056][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17580.938056][ T7704] netdev_get_by_index+0x5e/0x80 [17580.938056][ T7704] fib6_nh_init+0x3d8/0x15b0 [17580.938056][ T7704] ip6_route_info_create+0xf18/0x17d0 [17580.938056][ T7704] ip6_route_add+0x1c/0x140 [17580.938056][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17580.938056][ T7704] addrconf_add_dev+0xe2/0x170 [17580.938056][ T7704] inet6_addr_add+0x12f/0xa40 [17580.938056][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17580.938056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17580.938056][ T7704] netlink_rcv_skb+0x130/0x360 [17580.938056][ T7704] netlink_unicast+0x449/0x710 [17580.938056][ T7704] netlink_sendmsg+0x723/0xbe0 [17580.938056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17580.938056][ T7704] ___sys_sendmsg+0xee/0x170 [17580.938056][ T7704] __sys_sendmsg+0xcd/0x170 [17580.938056][ T7704] do_syscall_64+0xc6/0x1e0 [17580.938056][ T7704] [17580.940284][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17580.940284][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17580.940284][ T7704] ipv6_find_idev+0x102/0x170 [17580.940284][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17580.940284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17580.940284][ T7704] netlink_rcv_skb+0x130/0x360 [17580.940284][ T7704] netlink_unicast+0x449/0x710 [17580.940284][ T7704] netlink_sendmsg+0x723/0xbe0 [17580.940284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17580.940284][ T7704] ___sys_sendmsg+0xee/0x170 [17580.940284][ T7704] __sys_sendmsg+0xcd/0x170 [17580.940284][ T7704] do_syscall_64+0xc6/0x1e0 [17580.940284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17580.940284][ T7704] [17580.941994][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17580.941994][ T7704] neigh_parms_alloc+0x1e5/0x510 [17580.941994][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17580.941994][ T7704] ipv6_find_idev+0x102/0x170 [17580.941994][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17580.941994][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17580.941994][ T7704] netlink_rcv_skb+0x130/0x360 [17580.941994][ T7704] netlink_unicast+0x449/0x710 [17580.941994][ T7704] netlink_sendmsg+0x723/0xbe0 [17580.941994][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17580.941994][ T7704] ___sys_sendmsg+0xee/0x170 [17580.941994][ T7704] __sys_sendmsg+0xcd/0x170 [17580.941994][ T7704] do_syscall_64+0xc6/0x1e0 [17580.941994][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17580.941994][ T7704] [17591.180924][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17591.181619][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17591.181619][ T7704] netdev_get_by_index+0x5e/0x80 [17591.181619][ T7704] fib6_nh_init+0x3d8/0x15b0 [17591.181619][ T7704] ip6_route_info_create+0xf18/0x17d0 [17591.181619][ T7704] ip6_route_add+0x1c/0x140 [17591.181619][ T7704] addrconf_prefix_route+0x2a6/0x430 [17591.181619][ T7704] inet6_addr_add+0x4f8/0xa40 [17591.181619][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17591.181619][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17591.181619][ T7704] netlink_rcv_skb+0x130/0x360 [17591.181619][ T7704] netlink_unicast+0x449/0x710 [17591.181619][ T7704] netlink_sendmsg+0x723/0xbe0 [17591.181619][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17591.181619][ T7704] ___sys_sendmsg+0xee/0x170 [17591.181619][ T7704] __sys_sendmsg+0xcd/0x170 [17591.181619][ T7704] do_syscall_64+0xc6/0x1e0 [17591.181619][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17591.181619][ T7704] [17591.183935][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17591.183935][ T7704] netdev_get_by_index+0x5e/0x80 [17591.183935][ T7704] fib6_nh_init+0x3d8/0x15b0 [17591.183935][ T7704] ip6_route_info_create+0xf18/0x17d0 [17591.183935][ T7704] addrconf_f6i_alloc+0x315/0x560 [17591.183935][ T7704] ipv6_add_addr+0x411/0x2000 [17591.183935][ T7704] inet6_addr_add+0x30e/0xa40 [17591.183935][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17591.183935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17591.183935][ T7704] netlink_rcv_skb+0x130/0x360 [17591.183935][ T7704] netlink_unicast+0x449/0x710 [17591.183935][ T7704] netlink_sendmsg+0x723/0xbe0 [17591.183935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17591.183935][ T7704] ___sys_sendmsg+0xee/0x170 [17591.183935][ T7704] __sys_sendmsg+0xcd/0x170 [17591.183935][ T7704] do_syscall_64+0xc6/0x1e0 [17591.183935][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17591.183935][ T7704] [17591.186219][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17591.186219][ T7704] netdev_get_by_index+0x5e/0x80 [17591.186219][ T7704] fib6_nh_init+0x3d8/0x15b0 [17591.186219][ T7704] ip6_route_info_create+0xf18/0x17d0 [17591.186219][ T7704] ip6_route_add+0x1c/0x140 [17591.186219][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17591.186219][ T7704] addrconf_add_dev+0xe2/0x170 [17591.186219][ T7704] inet6_addr_add+0x12f/0xa40 [17591.186219][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17591.186219][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17591.186219][ T7704] netlink_rcv_skb+0x130/0x360 [17591.186219][ T7704] netlink_unicast+0x449/0x710 [17591.186219][ T7704] netlink_sendmsg+0x723/0xbe0 [17591.186219][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17591.186219][ T7704] ___sys_sendmsg+0xee/0x170 [17591.186219][ T7704] __sys_sendmsg+0xcd/0x170 [17591.186219][ T7704] do_syscall_64+0xc6/0x1e0 [17591.186219][ T7704] [17591.188458][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17591.188458][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17591.188458][ T7704] ipv6_find_idev+0x102/0x170 [17591.188458][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17591.188458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17591.188458][ T7704] netlink_rcv_skb+0x130/0x360 [17591.188458][ T7704] netlink_unicast+0x449/0x710 [17591.188458][ T7704] netlink_sendmsg+0x723/0xbe0 [17591.188458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17591.188458][ T7704] ___sys_sendmsg+0xee/0x170 [17591.188458][ T7704] __sys_sendmsg+0xcd/0x170 [17591.188458][ T7704] do_syscall_64+0xc6/0x1e0 [17591.188458][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17591.188458][ T7704] [17591.190267][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17591.190267][ T7704] neigh_parms_alloc+0x1e5/0x510 [17591.190267][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17591.190267][ T7704] ipv6_find_idev+0x102/0x170 [17591.190267][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17591.190267][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17591.190267][ T7704] netlink_rcv_skb+0x130/0x360 [17591.190267][ T7704] netlink_unicast+0x449/0x710 [17591.190267][ T7704] netlink_sendmsg+0x723/0xbe0 [17591.190267][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17591.190267][ T7704] ___sys_sendmsg+0xee/0x170 [17591.190267][ T7704] __sys_sendmsg+0xcd/0x170 [17591.190267][ T7704] do_syscall_64+0xc6/0x1e0 [17591.190267][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17591.190267][ T7704] [17601.428818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17601.429344][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17601.429344][ T7704] netdev_get_by_index+0x5e/0x80 [17601.429344][ T7704] fib6_nh_init+0x3d8/0x15b0 [17601.429344][ T7704] ip6_route_info_create+0xf18/0x17d0 [17601.429344][ T7704] ip6_route_add+0x1c/0x140 [17601.429344][ T7704] addrconf_prefix_route+0x2a6/0x430 [17601.429344][ T7704] inet6_addr_add+0x4f8/0xa40 [17601.429344][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17601.429344][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17601.429344][ T7704] netlink_rcv_skb+0x130/0x360 [17601.429344][ T7704] netlink_unicast+0x449/0x710 [17601.429344][ T7704] netlink_sendmsg+0x723/0xbe0 [17601.429344][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17601.429344][ T7704] ___sys_sendmsg+0xee/0x170 [17601.429344][ T7704] __sys_sendmsg+0xcd/0x170 [17601.429344][ T7704] do_syscall_64+0xc6/0x1e0 [17601.429344][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17601.429344][ T7704] [17601.431544][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17601.431544][ T7704] netdev_get_by_index+0x5e/0x80 [17601.431544][ T7704] fib6_nh_init+0x3d8/0x15b0 [17601.431544][ T7704] ip6_route_info_create+0xf18/0x17d0 [17601.431544][ T7704] addrconf_f6i_alloc+0x315/0x560 [17601.431544][ T7704] ipv6_add_addr+0x411/0x2000 [17601.431544][ T7704] inet6_addr_add+0x30e/0xa40 [17601.431544][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17601.431544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17601.431544][ T7704] netlink_rcv_skb+0x130/0x360 [17601.431544][ T7704] netlink_unicast+0x449/0x710 [17601.431544][ T7704] netlink_sendmsg+0x723/0xbe0 [17601.431544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17601.431544][ T7704] ___sys_sendmsg+0xee/0x170 [17601.431544][ T7704] __sys_sendmsg+0xcd/0x170 [17601.431544][ T7704] do_syscall_64+0xc6/0x1e0 [17601.431544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17601.431544][ T7704] [17601.433701][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17601.433701][ T7704] netdev_get_by_index+0x5e/0x80 [17601.433701][ T7704] fib6_nh_init+0x3d8/0x15b0 [17601.433701][ T7704] ip6_route_info_create+0xf18/0x17d0 [17601.433701][ T7704] ip6_route_add+0x1c/0x140 [17601.433701][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17601.433701][ T7704] addrconf_add_dev+0xe2/0x170 [17601.433701][ T7704] inet6_addr_add+0x12f/0xa40 [17601.433701][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17601.433701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17601.433701][ T7704] netlink_rcv_skb+0x130/0x360 [17601.433701][ T7704] netlink_unicast+0x449/0x710 [17601.433701][ T7704] netlink_sendmsg+0x723/0xbe0 [17601.433701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17601.433701][ T7704] ___sys_sendmsg+0xee/0x170 [17601.433701][ T7704] __sys_sendmsg+0xcd/0x170 [17601.433701][ T7704] do_syscall_64+0xc6/0x1e0 [17601.433701][ T7704] [17601.435870][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17601.435870][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17601.435870][ T7704] ipv6_find_idev+0x102/0x170 [17601.435870][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17601.435870][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17601.435870][ T7704] netlink_rcv_skb+0x130/0x360 [17601.435870][ T7704] netlink_unicast+0x449/0x710 [17601.435870][ T7704] netlink_sendmsg+0x723/0xbe0 [17601.435870][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17601.435870][ T7704] ___sys_sendmsg+0xee/0x170 [17601.435870][ T7704] __sys_sendmsg+0xcd/0x170 [17601.435870][ T7704] do_syscall_64+0xc6/0x1e0 [17601.435870][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17601.435870][ T7704] [17601.437531][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17601.437531][ T7704] neigh_parms_alloc+0x1e5/0x510 [17601.437531][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17601.437531][ T7704] ipv6_find_idev+0x102/0x170 [17601.437531][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17601.437531][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17601.437531][ T7704] netlink_rcv_skb+0x130/0x360 [17601.437531][ T7704] netlink_unicast+0x449/0x710 [17601.437531][ T7704] netlink_sendmsg+0x723/0xbe0 [17601.437531][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17601.437531][ T7704] ___sys_sendmsg+0xee/0x170 [17601.437531][ T7704] __sys_sendmsg+0xcd/0x170 [17601.437531][ T7704] do_syscall_64+0xc6/0x1e0 [17601.437531][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17601.437531][ T7704] [17611.676871][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17611.677553][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17611.677553][ T7704] netdev_get_by_index+0x5e/0x80 [17611.677553][ T7704] fib6_nh_init+0x3d8/0x15b0 [17611.677553][ T7704] ip6_route_info_create+0xf18/0x17d0 [17611.677553][ T7704] ip6_route_add+0x1c/0x140 [17611.677553][ T7704] addrconf_prefix_route+0x2a6/0x430 [17611.677553][ T7704] inet6_addr_add+0x4f8/0xa40 [17611.677553][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17611.677553][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17611.677553][ T7704] netlink_rcv_skb+0x130/0x360 [17611.677553][ T7704] netlink_unicast+0x449/0x710 [17611.677553][ T7704] netlink_sendmsg+0x723/0xbe0 [17611.677553][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17611.677553][ T7704] ___sys_sendmsg+0xee/0x170 [17611.677553][ T7704] __sys_sendmsg+0xcd/0x170 [17611.677553][ T7704] do_syscall_64+0xc6/0x1e0 [17611.677553][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17611.677553][ T7704] [17611.679742][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17611.679742][ T7704] netdev_get_by_index+0x5e/0x80 [17611.679742][ T7704] fib6_nh_init+0x3d8/0x15b0 [17611.679742][ T7704] ip6_route_info_create+0xf18/0x17d0 [17611.679742][ T7704] addrconf_f6i_alloc+0x315/0x560 [17611.679742][ T7704] ipv6_add_addr+0x411/0x2000 [17611.679742][ T7704] inet6_addr_add+0x30e/0xa40 [17611.679742][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17611.679742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17611.679742][ T7704] netlink_rcv_skb+0x130/0x360 [17611.679742][ T7704] netlink_unicast+0x449/0x710 [17611.679742][ T7704] netlink_sendmsg+0x723/0xbe0 [17611.679742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17611.679742][ T7704] ___sys_sendmsg+0xee/0x170 [17611.679742][ T7704] __sys_sendmsg+0xcd/0x170 [17611.679742][ T7704] do_syscall_64+0xc6/0x1e0 [17611.679742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17611.679742][ T7704] [17611.682010][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17611.682010][ T7704] netdev_get_by_index+0x5e/0x80 [17611.682010][ T7704] fib6_nh_init+0x3d8/0x15b0 [17611.682010][ T7704] ip6_route_info_create+0xf18/0x17d0 [17611.682010][ T7704] ip6_route_add+0x1c/0x140 [17611.682010][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17611.682010][ T7704] addrconf_add_dev+0xe2/0x170 [17611.682010][ T7704] inet6_addr_add+0x12f/0xa40 [17611.682010][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17611.682010][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17611.682010][ T7704] netlink_rcv_skb+0x130/0x360 [17611.682010][ T7704] netlink_unicast+0x449/0x710 [17611.682010][ T7704] netlink_sendmsg+0x723/0xbe0 [17611.682010][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17611.682010][ T7704] ___sys_sendmsg+0xee/0x170 [17611.682010][ T7704] __sys_sendmsg+0xcd/0x170 [17611.682010][ T7704] do_syscall_64+0xc6/0x1e0 [17611.682010][ T7704] [17611.684183][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17611.684183][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17611.684183][ T7704] ipv6_find_idev+0x102/0x170 [17611.684183][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17611.684183][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17611.684183][ T7704] netlink_rcv_skb+0x130/0x360 [17611.684183][ T7704] netlink_unicast+0x449/0x710 [17611.684183][ T7704] netlink_sendmsg+0x723/0xbe0 [17611.684183][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17611.684183][ T7704] ___sys_sendmsg+0xee/0x170 [17611.684183][ T7704] __sys_sendmsg+0xcd/0x170 [17611.684183][ T7704] do_syscall_64+0xc6/0x1e0 [17611.684183][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17611.684183][ T7704] [17611.685891][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17611.685891][ T7704] neigh_parms_alloc+0x1e5/0x510 [17611.685891][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17611.685891][ T7704] ipv6_find_idev+0x102/0x170 [17611.685891][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17611.685891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17611.685891][ T7704] netlink_rcv_skb+0x130/0x360 [17611.685891][ T7704] netlink_unicast+0x449/0x710 [17611.685891][ T7704] netlink_sendmsg+0x723/0xbe0 [17611.685891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17611.685891][ T7704] ___sys_sendmsg+0xee/0x170 [17611.685891][ T7704] __sys_sendmsg+0xcd/0x170 [17611.685891][ T7704] do_syscall_64+0xc6/0x1e0 [17611.685891][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17611.685891][ T7704] [17621.820872][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17621.821440][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17621.821440][ T7704] netdev_get_by_index+0x5e/0x80 [17621.821440][ T7704] fib6_nh_init+0x3d8/0x15b0 [17621.821440][ T7704] ip6_route_info_create+0xf18/0x17d0 [17621.821440][ T7704] ip6_route_add+0x1c/0x140 [17621.821440][ T7704] addrconf_prefix_route+0x2a6/0x430 [17621.821440][ T7704] inet6_addr_add+0x4f8/0xa40 [17621.821440][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17621.821440][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17621.821440][ T7704] netlink_rcv_skb+0x130/0x360 [17621.821440][ T7704] netlink_unicast+0x449/0x710 [17621.821440][ T7704] netlink_sendmsg+0x723/0xbe0 [17621.821440][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17621.821440][ T7704] ___sys_sendmsg+0xee/0x170 [17621.821440][ T7704] __sys_sendmsg+0xcd/0x170 [17621.821440][ T7704] do_syscall_64+0xc6/0x1e0 [17621.821440][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17621.821440][ T7704] [17621.823646][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17621.823646][ T7704] netdev_get_by_index+0x5e/0x80 [17621.823646][ T7704] fib6_nh_init+0x3d8/0x15b0 [17621.823646][ T7704] ip6_route_info_create+0xf18/0x17d0 [17621.823646][ T7704] addrconf_f6i_alloc+0x315/0x560 [17621.823646][ T7704] ipv6_add_addr+0x411/0x2000 [17621.823646][ T7704] inet6_addr_add+0x30e/0xa40 [17621.823646][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17621.823646][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17621.823646][ T7704] netlink_rcv_skb+0x130/0x360 [17621.823646][ T7704] netlink_unicast+0x449/0x710 [17621.823646][ T7704] netlink_sendmsg+0x723/0xbe0 [17621.823646][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17621.823646][ T7704] ___sys_sendmsg+0xee/0x170 [17621.823646][ T7704] __sys_sendmsg+0xcd/0x170 [17621.823646][ T7704] do_syscall_64+0xc6/0x1e0 [17621.823646][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17621.823646][ T7704] [17621.825879][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17621.825879][ T7704] netdev_get_by_index+0x5e/0x80 [17621.825879][ T7704] fib6_nh_init+0x3d8/0x15b0 [17621.825879][ T7704] ip6_route_info_create+0xf18/0x17d0 [17621.825879][ T7704] ip6_route_add+0x1c/0x140 [17621.825879][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17621.825879][ T7704] addrconf_add_dev+0xe2/0x170 [17621.825879][ T7704] inet6_addr_add+0x12f/0xa40 [17621.825879][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17621.825879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17621.825879][ T7704] netlink_rcv_skb+0x130/0x360 [17621.825879][ T7704] netlink_unicast+0x449/0x710 [17621.825879][ T7704] netlink_sendmsg+0x723/0xbe0 [17621.825879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17621.825879][ T7704] ___sys_sendmsg+0xee/0x170 [17621.825879][ T7704] __sys_sendmsg+0xcd/0x170 [17621.825879][ T7704] do_syscall_64+0xc6/0x1e0 [17621.825879][ T7704] [17621.828132][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17621.828132][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17621.828132][ T7704] ipv6_find_idev+0x102/0x170 [17621.828132][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17621.828132][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17621.828132][ T7704] netlink_rcv_skb+0x130/0x360 [17621.828132][ T7704] netlink_unicast+0x449/0x710 [17621.828132][ T7704] netlink_sendmsg+0x723/0xbe0 [17621.828132][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17621.828132][ T7704] ___sys_sendmsg+0xee/0x170 [17621.828132][ T7704] __sys_sendmsg+0xcd/0x170 [17621.828132][ T7704] do_syscall_64+0xc6/0x1e0 [17621.828132][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17621.828132][ T7704] [17621.829858][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17621.829858][ T7704] neigh_parms_alloc+0x1e5/0x510 [17621.829858][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17621.829858][ T7704] ipv6_find_idev+0x102/0x170 [17621.829858][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17621.829858][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17621.829858][ T7704] netlink_rcv_skb+0x130/0x360 [17621.829858][ T7704] netlink_unicast+0x449/0x710 [17621.829858][ T7704] netlink_sendmsg+0x723/0xbe0 [17621.829858][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17621.829858][ T7704] ___sys_sendmsg+0xee/0x170 [17621.829858][ T7704] __sys_sendmsg+0xcd/0x170 [17621.829858][ T7704] do_syscall_64+0xc6/0x1e0 [17621.829858][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17621.829858][ T7704] [17631.868868][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17631.869445][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17631.869445][ T7704] netdev_get_by_index+0x5e/0x80 [17631.869445][ T7704] fib6_nh_init+0x3d8/0x15b0 [17631.869445][ T7704] ip6_route_info_create+0xf18/0x17d0 [17631.869445][ T7704] ip6_route_add+0x1c/0x140 [17631.869445][ T7704] addrconf_prefix_route+0x2a6/0x430 [17631.869445][ T7704] inet6_addr_add+0x4f8/0xa40 [17631.869445][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17631.869445][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17631.869445][ T7704] netlink_rcv_skb+0x130/0x360 [17631.869445][ T7704] netlink_unicast+0x449/0x710 [17631.869445][ T7704] netlink_sendmsg+0x723/0xbe0 [17631.869445][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17631.869445][ T7704] ___sys_sendmsg+0xee/0x170 [17631.869445][ T7704] __sys_sendmsg+0xcd/0x170 [17631.869445][ T7704] do_syscall_64+0xc6/0x1e0 [17631.869445][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17631.869445][ T7704] [17631.871750][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17631.871750][ T7704] netdev_get_by_index+0x5e/0x80 [17631.871750][ T7704] fib6_nh_init+0x3d8/0x15b0 [17631.871750][ T7704] ip6_route_info_create+0xf18/0x17d0 [17631.871750][ T7704] addrconf_f6i_alloc+0x315/0x560 [17631.871750][ T7704] ipv6_add_addr+0x411/0x2000 [17631.871750][ T7704] inet6_addr_add+0x30e/0xa40 [17631.871750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17631.871750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17631.871750][ T7704] netlink_rcv_skb+0x130/0x360 [17631.871750][ T7704] netlink_unicast+0x449/0x710 [17631.871750][ T7704] netlink_sendmsg+0x723/0xbe0 [17631.871750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17631.871750][ T7704] ___sys_sendmsg+0xee/0x170 [17631.871750][ T7704] __sys_sendmsg+0xcd/0x170 [17631.871750][ T7704] do_syscall_64+0xc6/0x1e0 [17631.871750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17631.871750][ T7704] [17631.873943][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17631.873943][ T7704] netdev_get_by_index+0x5e/0x80 [17631.873943][ T7704] fib6_nh_init+0x3d8/0x15b0 [17631.873943][ T7704] ip6_route_info_create+0xf18/0x17d0 [17631.873943][ T7704] ip6_route_add+0x1c/0x140 [17631.873943][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17631.873943][ T7704] addrconf_add_dev+0xe2/0x170 [17631.873943][ T7704] inet6_addr_add+0x12f/0xa40 [17631.873943][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17631.873943][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17631.873943][ T7704] netlink_rcv_skb+0x130/0x360 [17631.873943][ T7704] netlink_unicast+0x449/0x710 [17631.873943][ T7704] netlink_sendmsg+0x723/0xbe0 [17631.873943][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17631.873943][ T7704] ___sys_sendmsg+0xee/0x170 [17631.873943][ T7704] __sys_sendmsg+0xcd/0x170 [17631.873943][ T7704] do_syscall_64+0xc6/0x1e0 [17631.873943][ T7704] [17631.876064][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17631.876064][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17631.876064][ T7704] ipv6_find_idev+0x102/0x170 [17631.876064][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17631.876064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17631.876064][ T7704] netlink_rcv_skb+0x130/0x360 [17631.876064][ T7704] netlink_unicast+0x449/0x710 [17631.876064][ T7704] netlink_sendmsg+0x723/0xbe0 [17631.876064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17631.876064][ T7704] ___sys_sendmsg+0xee/0x170 [17631.876064][ T7704] __sys_sendmsg+0xcd/0x170 [17631.876064][ T7704] do_syscall_64+0xc6/0x1e0 [17631.876064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17631.876064][ T7704] [17631.877726][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17631.877726][ T7704] neigh_parms_alloc+0x1e5/0x510 [17631.877726][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17631.877726][ T7704] ipv6_find_idev+0x102/0x170 [17631.877726][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17631.877726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17631.877726][ T7704] netlink_rcv_skb+0x130/0x360 [17631.877726][ T7704] netlink_unicast+0x449/0x710 [17631.877726][ T7704] netlink_sendmsg+0x723/0xbe0 [17631.877726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17631.877726][ T7704] ___sys_sendmsg+0xee/0x170 [17631.877726][ T7704] __sys_sendmsg+0xcd/0x170 [17631.877726][ T7704] do_syscall_64+0xc6/0x1e0 [17631.877726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17631.877726][ T7704] [17642.116876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17642.117524][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17642.117524][ T7704] netdev_get_by_index+0x5e/0x80 [17642.117524][ T7704] fib6_nh_init+0x3d8/0x15b0 [17642.117524][ T7704] ip6_route_info_create+0xf18/0x17d0 [17642.117524][ T7704] ip6_route_add+0x1c/0x140 [17642.117524][ T7704] addrconf_prefix_route+0x2a6/0x430 [17642.117524][ T7704] inet6_addr_add+0x4f8/0xa40 [17642.117524][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17642.117524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17642.117524][ T7704] netlink_rcv_skb+0x130/0x360 [17642.117524][ T7704] netlink_unicast+0x449/0x710 [17642.117524][ T7704] netlink_sendmsg+0x723/0xbe0 [17642.117524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17642.117524][ T7704] ___sys_sendmsg+0xee/0x170 [17642.117524][ T7704] __sys_sendmsg+0xcd/0x170 [17642.117524][ T7704] do_syscall_64+0xc6/0x1e0 [17642.117524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17642.117524][ T7704] [17642.119741][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17642.119741][ T7704] netdev_get_by_index+0x5e/0x80 [17642.119741][ T7704] fib6_nh_init+0x3d8/0x15b0 [17642.119741][ T7704] ip6_route_info_create+0xf18/0x17d0 [17642.119741][ T7704] addrconf_f6i_alloc+0x315/0x560 [17642.119741][ T7704] ipv6_add_addr+0x411/0x2000 [17642.119741][ T7704] inet6_addr_add+0x30e/0xa40 [17642.119741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17642.119741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17642.119741][ T7704] netlink_rcv_skb+0x130/0x360 [17642.119741][ T7704] netlink_unicast+0x449/0x710 [17642.119741][ T7704] netlink_sendmsg+0x723/0xbe0 [17642.119741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17642.119741][ T7704] ___sys_sendmsg+0xee/0x170 [17642.119741][ T7704] __sys_sendmsg+0xcd/0x170 [17642.119741][ T7704] do_syscall_64+0xc6/0x1e0 [17642.119741][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17642.119741][ T7704] [17642.121933][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17642.121933][ T7704] netdev_get_by_index+0x5e/0x80 [17642.121933][ T7704] fib6_nh_init+0x3d8/0x15b0 [17642.121933][ T7704] ip6_route_info_create+0xf18/0x17d0 [17642.121933][ T7704] ip6_route_add+0x1c/0x140 [17642.121933][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17642.121933][ T7704] addrconf_add_dev+0xe2/0x170 [17642.121933][ T7704] inet6_addr_add+0x12f/0xa40 [17642.121933][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17642.121933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17642.121933][ T7704] netlink_rcv_skb+0x130/0x360 [17642.121933][ T7704] netlink_unicast+0x449/0x710 [17642.121933][ T7704] netlink_sendmsg+0x723/0xbe0 [17642.121933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17642.121933][ T7704] ___sys_sendmsg+0xee/0x170 [17642.121933][ T7704] __sys_sendmsg+0xcd/0x170 [17642.121933][ T7704] do_syscall_64+0xc6/0x1e0 [17642.121933][ T7704] [17642.124086][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17642.124086][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17642.124086][ T7704] ipv6_find_idev+0x102/0x170 [17642.124086][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17642.124086][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17642.124086][ T7704] netlink_rcv_skb+0x130/0x360 [17642.124086][ T7704] netlink_unicast+0x449/0x710 [17642.124086][ T7704] netlink_sendmsg+0x723/0xbe0 [17642.124086][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17642.124086][ T7704] ___sys_sendmsg+0xee/0x170 [17642.124086][ T7704] __sys_sendmsg+0xcd/0x170 [17642.124086][ T7704] do_syscall_64+0xc6/0x1e0 [17642.124086][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17642.124086][ T7704] [17642.125819][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17642.125819][ T7704] neigh_parms_alloc+0x1e5/0x510 [17642.125819][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17642.125819][ T7704] ipv6_find_idev+0x102/0x170 [17642.125819][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17642.125819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17642.125819][ T7704] netlink_rcv_skb+0x130/0x360 [17642.125819][ T7704] netlink_unicast+0x449/0x710 [17642.125819][ T7704] netlink_sendmsg+0x723/0xbe0 [17642.125819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17642.125819][ T7704] ___sys_sendmsg+0xee/0x170 [17642.125819][ T7704] __sys_sendmsg+0xcd/0x170 [17642.125819][ T7704] do_syscall_64+0xc6/0x1e0 [17642.125819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17642.125819][ T7704] [17652.364826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17652.365534][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17652.365534][ T7704] netdev_get_by_index+0x5e/0x80 [17652.365534][ T7704] fib6_nh_init+0x3d8/0x15b0 [17652.365534][ T7704] ip6_route_info_create+0xf18/0x17d0 [17652.365534][ T7704] ip6_route_add+0x1c/0x140 [17652.365534][ T7704] addrconf_prefix_route+0x2a6/0x430 [17652.365534][ T7704] inet6_addr_add+0x4f8/0xa40 [17652.365534][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17652.365534][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17652.365534][ T7704] netlink_rcv_skb+0x130/0x360 [17652.365534][ T7704] netlink_unicast+0x449/0x710 [17652.365534][ T7704] netlink_sendmsg+0x723/0xbe0 [17652.365534][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17652.365534][ T7704] ___sys_sendmsg+0xee/0x170 [17652.365534][ T7704] __sys_sendmsg+0xcd/0x170 [17652.365534][ T7704] do_syscall_64+0xc6/0x1e0 [17652.365534][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17652.365534][ T7704] [17652.367791][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17652.367791][ T7704] netdev_get_by_index+0x5e/0x80 [17652.367791][ T7704] fib6_nh_init+0x3d8/0x15b0 [17652.367791][ T7704] ip6_route_info_create+0xf18/0x17d0 [17652.367791][ T7704] addrconf_f6i_alloc+0x315/0x560 [17652.367791][ T7704] ipv6_add_addr+0x411/0x2000 [17652.367791][ T7704] inet6_addr_add+0x30e/0xa40 [17652.367791][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17652.367791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17652.367791][ T7704] netlink_rcv_skb+0x130/0x360 [17652.367791][ T7704] netlink_unicast+0x449/0x710 [17652.367791][ T7704] netlink_sendmsg+0x723/0xbe0 [17652.367791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17652.367791][ T7704] ___sys_sendmsg+0xee/0x170 [17652.367791][ T7704] __sys_sendmsg+0xcd/0x170 [17652.367791][ T7704] do_syscall_64+0xc6/0x1e0 [17652.367791][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17652.367791][ T7704] [17652.370050][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17652.370050][ T7704] netdev_get_by_index+0x5e/0x80 [17652.370050][ T7704] fib6_nh_init+0x3d8/0x15b0 [17652.370050][ T7704] ip6_route_info_create+0xf18/0x17d0 [17652.370050][ T7704] ip6_route_add+0x1c/0x140 [17652.370050][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17652.370050][ T7704] addrconf_add_dev+0xe2/0x170 [17652.370050][ T7704] inet6_addr_add+0x12f/0xa40 [17652.370050][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17652.370050][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17652.370050][ T7704] netlink_rcv_skb+0x130/0x360 [17652.370050][ T7704] netlink_unicast+0x449/0x710 [17652.370050][ T7704] netlink_sendmsg+0x723/0xbe0 [17652.370050][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17652.370050][ T7704] ___sys_sendmsg+0xee/0x170 [17652.370050][ T7704] __sys_sendmsg+0xcd/0x170 [17652.370050][ T7704] do_syscall_64+0xc6/0x1e0 [17652.370050][ T7704] [17652.372204][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17652.372204][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17652.372204][ T7704] ipv6_find_idev+0x102/0x170 [17652.372204][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17652.372204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17652.372204][ T7704] netlink_rcv_skb+0x130/0x360 [17652.372204][ T7704] netlink_unicast+0x449/0x710 [17652.372204][ T7704] netlink_sendmsg+0x723/0xbe0 [17652.372204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17652.372204][ T7704] ___sys_sendmsg+0xee/0x170 [17652.372204][ T7704] __sys_sendmsg+0xcd/0x170 [17652.372204][ T7704] do_syscall_64+0xc6/0x1e0 [17652.372204][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17652.372204][ T7704] [17652.373922][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17652.373922][ T7704] neigh_parms_alloc+0x1e5/0x510 [17652.373922][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17652.373922][ T7704] ipv6_find_idev+0x102/0x170 [17652.373922][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17652.373922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17652.373922][ T7704] netlink_rcv_skb+0x130/0x360 [17652.373922][ T7704] netlink_unicast+0x449/0x710 [17652.373922][ T7704] netlink_sendmsg+0x723/0xbe0 [17652.373922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17652.373922][ T7704] ___sys_sendmsg+0xee/0x170 [17652.373922][ T7704] __sys_sendmsg+0xcd/0x170 [17652.373922][ T7704] do_syscall_64+0xc6/0x1e0 [17652.373922][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17652.373922][ T7704] [17662.612900][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17662.613573][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17662.613573][ T7704] netdev_get_by_index+0x5e/0x80 [17662.613573][ T7704] fib6_nh_init+0x3d8/0x15b0 [17662.613573][ T7704] ip6_route_info_create+0xf18/0x17d0 [17662.613573][ T7704] ip6_route_add+0x1c/0x140 [17662.613573][ T7704] addrconf_prefix_route+0x2a6/0x430 [17662.613573][ T7704] inet6_addr_add+0x4f8/0xa40 [17662.613573][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17662.613573][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17662.613573][ T7704] netlink_rcv_skb+0x130/0x360 [17662.613573][ T7704] netlink_unicast+0x449/0x710 [17662.613573][ T7704] netlink_sendmsg+0x723/0xbe0 [17662.613573][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17662.613573][ T7704] ___sys_sendmsg+0xee/0x170 [17662.613573][ T7704] __sys_sendmsg+0xcd/0x170 [17662.613573][ T7704] do_syscall_64+0xc6/0x1e0 [17662.613573][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17662.613573][ T7704] [17662.615847][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17662.615847][ T7704] netdev_get_by_index+0x5e/0x80 [17662.615847][ T7704] fib6_nh_init+0x3d8/0x15b0 [17662.615847][ T7704] ip6_route_info_create+0xf18/0x17d0 [17662.615847][ T7704] addrconf_f6i_alloc+0x315/0x560 [17662.615847][ T7704] ipv6_add_addr+0x411/0x2000 [17662.615847][ T7704] inet6_addr_add+0x30e/0xa40 [17662.615847][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17662.615847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17662.615847][ T7704] netlink_rcv_skb+0x130/0x360 [17662.615847][ T7704] netlink_unicast+0x449/0x710 [17662.615847][ T7704] netlink_sendmsg+0x723/0xbe0 [17662.615847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17662.615847][ T7704] ___sys_sendmsg+0xee/0x170 [17662.615847][ T7704] __sys_sendmsg+0xcd/0x170 [17662.615847][ T7704] do_syscall_64+0xc6/0x1e0 [17662.615847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17662.615847][ T7704] [17662.618084][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17662.618084][ T7704] netdev_get_by_index+0x5e/0x80 [17662.618084][ T7704] fib6_nh_init+0x3d8/0x15b0 [17662.618084][ T7704] ip6_route_info_create+0xf18/0x17d0 [17662.618084][ T7704] ip6_route_add+0x1c/0x140 [17662.618084][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17662.618084][ T7704] addrconf_add_dev+0xe2/0x170 [17662.618084][ T7704] inet6_addr_add+0x12f/0xa40 [17662.618084][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17662.618084][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17662.618084][ T7704] netlink_rcv_skb+0x130/0x360 [17662.618084][ T7704] netlink_unicast+0x449/0x710 [17662.618084][ T7704] netlink_sendmsg+0x723/0xbe0 [17662.618084][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17662.618084][ T7704] ___sys_sendmsg+0xee/0x170 [17662.618084][ T7704] __sys_sendmsg+0xcd/0x170 [17662.618084][ T7704] do_syscall_64+0xc6/0x1e0 [17662.618084][ T7704] [17662.620355][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17662.620355][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17662.620355][ T7704] ipv6_find_idev+0x102/0x170 [17662.620355][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17662.620355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17662.620355][ T7704] netlink_rcv_skb+0x130/0x360 [17662.620355][ T7704] netlink_unicast+0x449/0x710 [17662.620355][ T7704] netlink_sendmsg+0x723/0xbe0 [17662.620355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17662.620355][ T7704] ___sys_sendmsg+0xee/0x170 [17662.620355][ T7704] __sys_sendmsg+0xcd/0x170 [17662.620355][ T7704] do_syscall_64+0xc6/0x1e0 [17662.620355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17662.620355][ T7704] [17662.622077][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17662.622077][ T7704] neigh_parms_alloc+0x1e5/0x510 [17662.622077][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17662.622077][ T7704] ipv6_find_idev+0x102/0x170 [17662.622077][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17662.622077][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17662.622077][ T7704] netlink_rcv_skb+0x130/0x360 [17662.622077][ T7704] netlink_unicast+0x449/0x710 [17662.622077][ T7704] netlink_sendmsg+0x723/0xbe0 [17662.622077][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17662.622077][ T7704] ___sys_sendmsg+0xee/0x170 [17662.622077][ T7704] __sys_sendmsg+0xcd/0x170 [17662.622077][ T7704] do_syscall_64+0xc6/0x1e0 [17662.622077][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17662.622077][ T7704] [17672.860884][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17672.861376][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17672.861376][ T7704] netdev_get_by_index+0x5e/0x80 [17672.861376][ T7704] fib6_nh_init+0x3d8/0x15b0 [17672.861376][ T7704] ip6_route_info_create+0xf18/0x17d0 [17672.861376][ T7704] ip6_route_add+0x1c/0x140 [17672.861376][ T7704] addrconf_prefix_route+0x2a6/0x430 [17672.861376][ T7704] inet6_addr_add+0x4f8/0xa40 [17672.861376][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17672.861376][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17672.861376][ T7704] netlink_rcv_skb+0x130/0x360 [17672.861376][ T7704] netlink_unicast+0x449/0x710 [17672.861376][ T7704] netlink_sendmsg+0x723/0xbe0 [17672.861376][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17672.861376][ T7704] ___sys_sendmsg+0xee/0x170 [17672.861376][ T7704] __sys_sendmsg+0xcd/0x170 [17672.861376][ T7704] do_syscall_64+0xc6/0x1e0 [17672.861376][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17672.861376][ T7704] [17672.863665][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17672.863665][ T7704] netdev_get_by_index+0x5e/0x80 [17672.863665][ T7704] fib6_nh_init+0x3d8/0x15b0 [17672.863665][ T7704] ip6_route_info_create+0xf18/0x17d0 [17672.863665][ T7704] addrconf_f6i_alloc+0x315/0x560 [17672.863665][ T7704] ipv6_add_addr+0x411/0x2000 [17672.863665][ T7704] inet6_addr_add+0x30e/0xa40 [17672.863665][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17672.863665][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17672.863665][ T7704] netlink_rcv_skb+0x130/0x360 [17672.863665][ T7704] netlink_unicast+0x449/0x710 [17672.863665][ T7704] netlink_sendmsg+0x723/0xbe0 [17672.863665][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17672.863665][ T7704] ___sys_sendmsg+0xee/0x170 [17672.863665][ T7704] __sys_sendmsg+0xcd/0x170 [17672.863665][ T7704] do_syscall_64+0xc6/0x1e0 [17672.863665][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17672.863665][ T7704] [17672.866071][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17672.866071][ T7704] netdev_get_by_index+0x5e/0x80 [17672.866071][ T7704] fib6_nh_init+0x3d8/0x15b0 [17672.866071][ T7704] ip6_route_info_create+0xf18/0x17d0 [17672.866071][ T7704] ip6_route_add+0x1c/0x140 [17672.866071][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17672.866071][ T7704] addrconf_add_dev+0xe2/0x170 [17672.866071][ T7704] inet6_addr_add+0x12f/0xa40 [17672.866071][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17672.866071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17672.866071][ T7704] netlink_rcv_skb+0x130/0x360 [17672.866071][ T7704] netlink_unicast+0x449/0x710 [17672.866071][ T7704] netlink_sendmsg+0x723/0xbe0 [17672.866071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17672.866071][ T7704] ___sys_sendmsg+0xee/0x170 [17672.866071][ T7704] __sys_sendmsg+0xcd/0x170 [17672.866071][ T7704] do_syscall_64+0xc6/0x1e0 [17672.866071][ T7704] [17672.868317][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17672.868317][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17672.868317][ T7704] ipv6_find_idev+0x102/0x170 [17672.868317][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17672.868317][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17672.868317][ T7704] netlink_rcv_skb+0x130/0x360 [17672.868317][ T7704] netlink_unicast+0x449/0x710 [17672.868317][ T7704] netlink_sendmsg+0x723/0xbe0 [17672.868317][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17672.868317][ T7704] ___sys_sendmsg+0xee/0x170 [17672.868317][ T7704] __sys_sendmsg+0xcd/0x170 [17672.868317][ T7704] do_syscall_64+0xc6/0x1e0 [17672.868317][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17672.868317][ T7704] [17672.870268][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17672.870268][ T7704] neigh_parms_alloc+0x1e5/0x510 [17672.870268][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17672.870268][ T7704] ipv6_find_idev+0x102/0x170 [17672.870268][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17672.870268][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17672.870268][ T7704] netlink_rcv_skb+0x130/0x360 [17672.870268][ T7704] netlink_unicast+0x449/0x710 [17672.870268][ T7704] netlink_sendmsg+0x723/0xbe0 [17672.870268][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17672.870268][ T7704] ___sys_sendmsg+0xee/0x170 [17672.870268][ T7704] __sys_sendmsg+0xcd/0x170 [17672.870268][ T7704] do_syscall_64+0xc6/0x1e0 [17672.870268][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17672.870268][ T7704] [17683.108891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17683.109629][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17683.109629][ T7704] netdev_get_by_index+0x5e/0x80 [17683.109629][ T7704] fib6_nh_init+0x3d8/0x15b0 [17683.109629][ T7704] ip6_route_info_create+0xf18/0x17d0 [17683.109629][ T7704] ip6_route_add+0x1c/0x140 [17683.109629][ T7704] addrconf_prefix_route+0x2a6/0x430 [17683.109629][ T7704] inet6_addr_add+0x4f8/0xa40 [17683.109629][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17683.109629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17683.109629][ T7704] netlink_rcv_skb+0x130/0x360 [17683.109629][ T7704] netlink_unicast+0x449/0x710 [17683.109629][ T7704] netlink_sendmsg+0x723/0xbe0 [17683.109629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17683.109629][ T7704] ___sys_sendmsg+0xee/0x170 [17683.109629][ T7704] __sys_sendmsg+0xcd/0x170 [17683.109629][ T7704] do_syscall_64+0xc6/0x1e0 [17683.109629][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17683.109629][ T7704] [17683.112147][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17683.112147][ T7704] netdev_get_by_index+0x5e/0x80 [17683.112147][ T7704] fib6_nh_init+0x3d8/0x15b0 [17683.112147][ T7704] ip6_route_info_create+0xf18/0x17d0 [17683.112147][ T7704] addrconf_f6i_alloc+0x315/0x560 [17683.112147][ T7704] ipv6_add_addr+0x411/0x2000 [17683.112147][ T7704] inet6_addr_add+0x30e/0xa40 [17683.112147][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17683.112147][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17683.112147][ T7704] netlink_rcv_skb+0x130/0x360 [17683.112147][ T7704] netlink_unicast+0x449/0x710 [17683.112147][ T7704] netlink_sendmsg+0x723/0xbe0 [17683.112147][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17683.112147][ T7704] ___sys_sendmsg+0xee/0x170 [17683.112147][ T7704] __sys_sendmsg+0xcd/0x170 [17683.112147][ T7704] do_syscall_64+0xc6/0x1e0 [17683.112147][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17683.112147][ T7704] [17683.114823][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17683.114823][ T7704] netdev_get_by_index+0x5e/0x80 [17683.114823][ T7704] fib6_nh_init+0x3d8/0x15b0 [17683.114823][ T7704] ip6_route_info_create+0xf18/0x17d0 [17683.114823][ T7704] ip6_route_add+0x1c/0x140 [17683.114823][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17683.114823][ T7704] addrconf_add_dev+0xe2/0x170 [17683.114823][ T7704] inet6_addr_add+0x12f/0xa40 [17683.114823][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17683.114823][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17683.114823][ T7704] netlink_rcv_skb+0x130/0x360 [17683.114823][ T7704] netlink_unicast+0x449/0x710 [17683.114823][ T7704] netlink_sendmsg+0x723/0xbe0 [17683.114823][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17683.114823][ T7704] ___sys_sendmsg+0xee/0x170 [17683.114823][ T7704] __sys_sendmsg+0xcd/0x170 [17683.114823][ T7704] do_syscall_64+0xc6/0x1e0 [17683.114823][ T7704] [17683.117081][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17683.117081][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17683.117081][ T7704] ipv6_find_idev+0x102/0x170 [17683.117081][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17683.117081][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17683.117081][ T7704] netlink_rcv_skb+0x130/0x360 [17683.117081][ T7704] netlink_unicast+0x449/0x710 [17683.117081][ T7704] netlink_sendmsg+0x723/0xbe0 [17683.117081][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17683.117081][ T7704] ___sys_sendmsg+0xee/0x170 [17683.117081][ T7704] __sys_sendmsg+0xcd/0x170 [17683.117081][ T7704] do_syscall_64+0xc6/0x1e0 [17683.117081][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17683.117081][ T7704] [17683.118813][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17683.118813][ T7704] neigh_parms_alloc+0x1e5/0x510 [17683.118813][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17683.118813][ T7704] ipv6_find_idev+0x102/0x170 [17683.118813][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17683.118813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17683.118813][ T7704] netlink_rcv_skb+0x130/0x360 [17683.118813][ T7704] netlink_unicast+0x449/0x710 [17683.118813][ T7704] netlink_sendmsg+0x723/0xbe0 [17683.118813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17683.118813][ T7704] ___sys_sendmsg+0xee/0x170 [17683.118813][ T7704] __sys_sendmsg+0xcd/0x170 [17683.118813][ T7704] do_syscall_64+0xc6/0x1e0 [17683.118813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17683.118813][ T7704] [17693.188879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17693.189496][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17693.189496][ T7704] netdev_get_by_index+0x5e/0x80 [17693.189496][ T7704] fib6_nh_init+0x3d8/0x15b0 [17693.189496][ T7704] ip6_route_info_create+0xf18/0x17d0 [17693.189496][ T7704] ip6_route_add+0x1c/0x140 [17693.189496][ T7704] addrconf_prefix_route+0x2a6/0x430 [17693.189496][ T7704] inet6_addr_add+0x4f8/0xa40 [17693.189496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17693.189496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17693.189496][ T7704] netlink_rcv_skb+0x130/0x360 [17693.189496][ T7704] netlink_unicast+0x449/0x710 [17693.189496][ T7704] netlink_sendmsg+0x723/0xbe0 [17693.189496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17693.189496][ T7704] ___sys_sendmsg+0xee/0x170 [17693.189496][ T7704] __sys_sendmsg+0xcd/0x170 [17693.189496][ T7704] do_syscall_64+0xc6/0x1e0 [17693.189496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17693.189496][ T7704] [17693.191703][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17693.191703][ T7704] netdev_get_by_index+0x5e/0x80 [17693.191703][ T7704] fib6_nh_init+0x3d8/0x15b0 [17693.191703][ T7704] ip6_route_info_create+0xf18/0x17d0 [17693.191703][ T7704] addrconf_f6i_alloc+0x315/0x560 [17693.191703][ T7704] ipv6_add_addr+0x411/0x2000 [17693.191703][ T7704] inet6_addr_add+0x30e/0xa40 [17693.191703][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17693.191703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17693.191703][ T7704] netlink_rcv_skb+0x130/0x360 [17693.191703][ T7704] netlink_unicast+0x449/0x710 [17693.191703][ T7704] netlink_sendmsg+0x723/0xbe0 [17693.191703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17693.191703][ T7704] ___sys_sendmsg+0xee/0x170 [17693.191703][ T7704] __sys_sendmsg+0xcd/0x170 [17693.191703][ T7704] do_syscall_64+0xc6/0x1e0 [17693.191703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17693.191703][ T7704] [17693.194433][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17693.194433][ T7704] netdev_get_by_index+0x5e/0x80 [17693.194433][ T7704] fib6_nh_init+0x3d8/0x15b0 [17693.194433][ T7704] ip6_route_info_create+0xf18/0x17d0 [17693.194433][ T7704] ip6_route_add+0x1c/0x140 [17693.194433][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17693.194433][ T7704] addrconf_add_dev+0xe2/0x170 [17693.194433][ T7704] inet6_addr_add+0x12f/0xa40 [17693.194433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17693.194433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17693.194433][ T7704] netlink_rcv_skb+0x130/0x360 [17693.194433][ T7704] netlink_unicast+0x449/0x710 [17693.194433][ T7704] netlink_sendmsg+0x723/0xbe0 [17693.194433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17693.194433][ T7704] ___sys_sendmsg+0xee/0x170 [17693.194433][ T7704] __sys_sendmsg+0xcd/0x170 [17693.194433][ T7704] do_syscall_64+0xc6/0x1e0 [17693.194433][ T7704] [17693.196656][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17693.196656][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17693.196656][ T7704] ipv6_find_idev+0x102/0x170 [17693.196656][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17693.196656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17693.196656][ T7704] netlink_rcv_skb+0x130/0x360 [17693.196656][ T7704] netlink_unicast+0x449/0x710 [17693.196656][ T7704] netlink_sendmsg+0x723/0xbe0 [17693.196656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17693.196656][ T7704] ___sys_sendmsg+0xee/0x170 [17693.196656][ T7704] __sys_sendmsg+0xcd/0x170 [17693.196656][ T7704] do_syscall_64+0xc6/0x1e0 [17693.196656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17693.196656][ T7704] [17693.198317][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17693.198317][ T7704] neigh_parms_alloc+0x1e5/0x510 [17693.198317][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17693.198317][ T7704] ipv6_find_idev+0x102/0x170 [17693.198317][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17693.198317][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17693.198317][ T7704] netlink_rcv_skb+0x130/0x360 [17693.198317][ T7704] netlink_unicast+0x449/0x710 [17693.198317][ T7704] netlink_sendmsg+0x723/0xbe0 [17693.198317][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17693.198317][ T7704] ___sys_sendmsg+0xee/0x170 [17693.198317][ T7704] __sys_sendmsg+0xcd/0x170 [17693.198317][ T7704] do_syscall_64+0xc6/0x1e0 [17693.198317][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17693.198317][ T7704] [17703.452907][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17703.453564][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17703.453564][ T7704] netdev_get_by_index+0x5e/0x80 [17703.453564][ T7704] fib6_nh_init+0x3d8/0x15b0 [17703.453564][ T7704] ip6_route_info_create+0xf18/0x17d0 [17703.453564][ T7704] ip6_route_add+0x1c/0x140 [17703.453564][ T7704] addrconf_prefix_route+0x2a6/0x430 [17703.453564][ T7704] inet6_addr_add+0x4f8/0xa40 [17703.453564][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17703.453564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17703.453564][ T7704] netlink_rcv_skb+0x130/0x360 [17703.453564][ T7704] netlink_unicast+0x449/0x710 [17703.453564][ T7704] netlink_sendmsg+0x723/0xbe0 [17703.453564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17703.453564][ T7704] ___sys_sendmsg+0xee/0x170 [17703.453564][ T7704] __sys_sendmsg+0xcd/0x170 [17703.453564][ T7704] do_syscall_64+0xc6/0x1e0 [17703.453564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17703.453564][ T7704] [17703.455859][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17703.455859][ T7704] netdev_get_by_index+0x5e/0x80 [17703.455859][ T7704] fib6_nh_init+0x3d8/0x15b0 [17703.455859][ T7704] ip6_route_info_create+0xf18/0x17d0 [17703.455859][ T7704] addrconf_f6i_alloc+0x315/0x560 [17703.455859][ T7704] ipv6_add_addr+0x411/0x2000 [17703.455859][ T7704] inet6_addr_add+0x30e/0xa40 [17703.455859][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17703.455859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17703.455859][ T7704] netlink_rcv_skb+0x130/0x360 [17703.455859][ T7704] netlink_unicast+0x449/0x710 [17703.455859][ T7704] netlink_sendmsg+0x723/0xbe0 [17703.455859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17703.455859][ T7704] ___sys_sendmsg+0xee/0x170 [17703.455859][ T7704] __sys_sendmsg+0xcd/0x170 [17703.455859][ T7704] do_syscall_64+0xc6/0x1e0 [17703.455859][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17703.455859][ T7704] [17703.458061][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17703.458061][ T7704] netdev_get_by_index+0x5e/0x80 [17703.458061][ T7704] fib6_nh_init+0x3d8/0x15b0 [17703.458061][ T7704] ip6_route_info_create+0xf18/0x17d0 [17703.458061][ T7704] ip6_route_add+0x1c/0x140 [17703.458061][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17703.458061][ T7704] addrconf_add_dev+0xe2/0x170 [17703.458061][ T7704] inet6_addr_add+0x12f/0xa40 [17703.458061][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17703.458061][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17703.458061][ T7704] netlink_rcv_skb+0x130/0x360 [17703.458061][ T7704] netlink_unicast+0x449/0x710 [17703.458061][ T7704] netlink_sendmsg+0x723/0xbe0 [17703.458061][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17703.458061][ T7704] ___sys_sendmsg+0xee/0x170 [17703.458061][ T7704] __sys_sendmsg+0xcd/0x170 [17703.458061][ T7704] do_syscall_64+0xc6/0x1e0 [17703.458061][ T7704] [17703.460284][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17703.460284][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17703.460284][ T7704] ipv6_find_idev+0x102/0x170 [17703.460284][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17703.460284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17703.460284][ T7704] netlink_rcv_skb+0x130/0x360 [17703.460284][ T7704] netlink_unicast+0x449/0x710 [17703.460284][ T7704] netlink_sendmsg+0x723/0xbe0 [17703.460284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17703.460284][ T7704] ___sys_sendmsg+0xee/0x170 [17703.460284][ T7704] __sys_sendmsg+0xcd/0x170 [17703.460284][ T7704] do_syscall_64+0xc6/0x1e0 [17703.460284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17703.460284][ T7704] [17703.461985][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17703.461985][ T7704] neigh_parms_alloc+0x1e5/0x510 [17703.461985][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17703.461985][ T7704] ipv6_find_idev+0x102/0x170 [17703.461985][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17703.461985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17703.461985][ T7704] netlink_rcv_skb+0x130/0x360 [17703.461985][ T7704] netlink_unicast+0x449/0x710 [17703.461985][ T7704] netlink_sendmsg+0x723/0xbe0 [17703.461985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17703.461985][ T7704] ___sys_sendmsg+0xee/0x170 [17703.461985][ T7704] __sys_sendmsg+0xcd/0x170 [17703.461985][ T7704] do_syscall_64+0xc6/0x1e0 [17703.461985][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17703.461985][ T7704] [17713.708870][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17713.709510][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17713.709510][ T7704] netdev_get_by_index+0x5e/0x80 [17713.709510][ T7704] fib6_nh_init+0x3d8/0x15b0 [17713.709510][ T7704] ip6_route_info_create+0xf18/0x17d0 [17713.709510][ T7704] ip6_route_add+0x1c/0x140 [17713.709510][ T7704] addrconf_prefix_route+0x2a6/0x430 [17713.709510][ T7704] inet6_addr_add+0x4f8/0xa40 [17713.709510][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17713.709510][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17713.709510][ T7704] netlink_rcv_skb+0x130/0x360 [17713.709510][ T7704] netlink_unicast+0x449/0x710 [17713.709510][ T7704] netlink_sendmsg+0x723/0xbe0 [17713.709510][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17713.709510][ T7704] ___sys_sendmsg+0xee/0x170 [17713.709510][ T7704] __sys_sendmsg+0xcd/0x170 [17713.709510][ T7704] do_syscall_64+0xc6/0x1e0 [17713.709510][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17713.709510][ T7704] [17713.711694][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17713.711694][ T7704] netdev_get_by_index+0x5e/0x80 [17713.711694][ T7704] fib6_nh_init+0x3d8/0x15b0 [17713.711694][ T7704] ip6_route_info_create+0xf18/0x17d0 [17713.711694][ T7704] addrconf_f6i_alloc+0x315/0x560 [17713.711694][ T7704] ipv6_add_addr+0x411/0x2000 [17713.711694][ T7704] inet6_addr_add+0x30e/0xa40 [17713.711694][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17713.711694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17713.711694][ T7704] netlink_rcv_skb+0x130/0x360 [17713.711694][ T7704] netlink_unicast+0x449/0x710 [17713.711694][ T7704] netlink_sendmsg+0x723/0xbe0 [17713.711694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17713.711694][ T7704] ___sys_sendmsg+0xee/0x170 [17713.711694][ T7704] __sys_sendmsg+0xcd/0x170 [17713.711694][ T7704] do_syscall_64+0xc6/0x1e0 [17713.711694][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17713.711694][ T7704] [17713.713927][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17713.713927][ T7704] netdev_get_by_index+0x5e/0x80 [17713.713927][ T7704] fib6_nh_init+0x3d8/0x15b0 [17713.713927][ T7704] ip6_route_info_create+0xf18/0x17d0 [17713.713927][ T7704] ip6_route_add+0x1c/0x140 [17713.713927][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17713.713927][ T7704] addrconf_add_dev+0xe2/0x170 [17713.713927][ T7704] inet6_addr_add+0x12f/0xa40 [17713.713927][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17713.713927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17713.713927][ T7704] netlink_rcv_skb+0x130/0x360 [17713.713927][ T7704] netlink_unicast+0x449/0x710 [17713.713927][ T7704] netlink_sendmsg+0x723/0xbe0 [17713.713927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17713.713927][ T7704] ___sys_sendmsg+0xee/0x170 [17713.713927][ T7704] __sys_sendmsg+0xcd/0x170 [17713.713927][ T7704] do_syscall_64+0xc6/0x1e0 [17713.713927][ T7704] [17713.716080][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17713.716080][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17713.716080][ T7704] ipv6_find_idev+0x102/0x170 [17713.716080][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17713.716080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17713.716080][ T7704] netlink_rcv_skb+0x130/0x360 [17713.716080][ T7704] netlink_unicast+0x449/0x710 [17713.716080][ T7704] netlink_sendmsg+0x723/0xbe0 [17713.716080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17713.716080][ T7704] ___sys_sendmsg+0xee/0x170 [17713.716080][ T7704] __sys_sendmsg+0xcd/0x170 [17713.716080][ T7704] do_syscall_64+0xc6/0x1e0 [17713.716080][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17713.716080][ T7704] [17713.717739][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17713.717739][ T7704] neigh_parms_alloc+0x1e5/0x510 [17713.717739][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17713.717739][ T7704] ipv6_find_idev+0x102/0x170 [17713.717739][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17713.717739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17713.717739][ T7704] netlink_rcv_skb+0x130/0x360 [17713.717739][ T7704] netlink_unicast+0x449/0x710 [17713.717739][ T7704] netlink_sendmsg+0x723/0xbe0 [17713.717739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17713.717739][ T7704] ___sys_sendmsg+0xee/0x170 [17713.717739][ T7704] __sys_sendmsg+0xcd/0x170 [17713.717739][ T7704] do_syscall_64+0xc6/0x1e0 [17713.717739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17713.717739][ T7704] [17723.972957][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17723.973571][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17723.973571][ T7704] netdev_get_by_index+0x5e/0x80 [17723.973571][ T7704] fib6_nh_init+0x3d8/0x15b0 [17723.973571][ T7704] ip6_route_info_create+0xf18/0x17d0 [17723.973571][ T7704] ip6_route_add+0x1c/0x140 [17723.973571][ T7704] addrconf_prefix_route+0x2a6/0x430 [17723.973571][ T7704] inet6_addr_add+0x4f8/0xa40 [17723.973571][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17723.973571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17723.973571][ T7704] netlink_rcv_skb+0x130/0x360 [17723.973571][ T7704] netlink_unicast+0x449/0x710 [17723.973571][ T7704] netlink_sendmsg+0x723/0xbe0 [17723.973571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17723.973571][ T7704] ___sys_sendmsg+0xee/0x170 [17723.973571][ T7704] __sys_sendmsg+0xcd/0x170 [17723.973571][ T7704] do_syscall_64+0xc6/0x1e0 [17723.973571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17723.973571][ T7704] [17723.975750][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17723.975750][ T7704] netdev_get_by_index+0x5e/0x80 [17723.975750][ T7704] fib6_nh_init+0x3d8/0x15b0 [17723.975750][ T7704] ip6_route_info_create+0xf18/0x17d0 [17723.975750][ T7704] addrconf_f6i_alloc+0x315/0x560 [17723.975750][ T7704] ipv6_add_addr+0x411/0x2000 [17723.975750][ T7704] inet6_addr_add+0x30e/0xa40 [17723.975750][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17723.975750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17723.975750][ T7704] netlink_rcv_skb+0x130/0x360 [17723.975750][ T7704] netlink_unicast+0x449/0x710 [17723.975750][ T7704] netlink_sendmsg+0x723/0xbe0 [17723.975750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17723.975750][ T7704] ___sys_sendmsg+0xee/0x170 [17723.975750][ T7704] __sys_sendmsg+0xcd/0x170 [17723.975750][ T7704] do_syscall_64+0xc6/0x1e0 [17723.975750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17723.975750][ T7704] [17723.977960][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17723.977960][ T7704] netdev_get_by_index+0x5e/0x80 [17723.977960][ T7704] fib6_nh_init+0x3d8/0x15b0 [17723.977960][ T7704] ip6_route_info_create+0xf18/0x17d0 [17723.977960][ T7704] ip6_route_add+0x1c/0x140 [17723.977960][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17723.977960][ T7704] addrconf_add_dev+0xe2/0x170 [17723.977960][ T7704] inet6_addr_add+0x12f/0xa40 [17723.977960][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17723.977960][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17723.977960][ T7704] netlink_rcv_skb+0x130/0x360 [17723.977960][ T7704] netlink_unicast+0x449/0x710 [17723.977960][ T7704] netlink_sendmsg+0x723/0xbe0 [17723.977960][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17723.977960][ T7704] ___sys_sendmsg+0xee/0x170 [17723.977960][ T7704] __sys_sendmsg+0xcd/0x170 [17723.977960][ T7704] do_syscall_64+0xc6/0x1e0 [17723.977960][ T7704] [17723.980121][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17723.980121][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17723.980121][ T7704] ipv6_find_idev+0x102/0x170 [17723.980121][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17723.980121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17723.980121][ T7704] netlink_rcv_skb+0x130/0x360 [17723.980121][ T7704] netlink_unicast+0x449/0x710 [17723.980121][ T7704] netlink_sendmsg+0x723/0xbe0 [17723.980121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17723.980121][ T7704] ___sys_sendmsg+0xee/0x170 [17723.980121][ T7704] __sys_sendmsg+0xcd/0x170 [17723.980121][ T7704] do_syscall_64+0xc6/0x1e0 [17723.980121][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17723.980121][ T7704] [17723.981819][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17723.981819][ T7704] neigh_parms_alloc+0x1e5/0x510 [17723.981819][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17723.981819][ T7704] ipv6_find_idev+0x102/0x170 [17723.981819][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17723.981819][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17723.981819][ T7704] netlink_rcv_skb+0x130/0x360 [17723.981819][ T7704] netlink_unicast+0x449/0x710 [17723.981819][ T7704] netlink_sendmsg+0x723/0xbe0 [17723.981819][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17723.981819][ T7704] ___sys_sendmsg+0xee/0x170 [17723.981819][ T7704] __sys_sendmsg+0xcd/0x170 [17723.981819][ T7704] do_syscall_64+0xc6/0x1e0 [17723.981819][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17723.981819][ T7704] [17734.236955][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17734.237550][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17734.237550][ T7704] netdev_get_by_index+0x5e/0x80 [17734.237550][ T7704] fib6_nh_init+0x3d8/0x15b0 [17734.237550][ T7704] ip6_route_info_create+0xf18/0x17d0 [17734.237550][ T7704] ip6_route_add+0x1c/0x140 [17734.237550][ T7704] addrconf_prefix_route+0x2a6/0x430 [17734.237550][ T7704] inet6_addr_add+0x4f8/0xa40 [17734.237550][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17734.237550][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17734.237550][ T7704] netlink_rcv_skb+0x130/0x360 [17734.237550][ T7704] netlink_unicast+0x449/0x710 [17734.237550][ T7704] netlink_sendmsg+0x723/0xbe0 [17734.237550][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17734.237550][ T7704] ___sys_sendmsg+0xee/0x170 [17734.237550][ T7704] __sys_sendmsg+0xcd/0x170 [17734.237550][ T7704] do_syscall_64+0xc6/0x1e0 [17734.237550][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17734.237550][ T7704] [17734.239749][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17734.239749][ T7704] netdev_get_by_index+0x5e/0x80 [17734.239749][ T7704] fib6_nh_init+0x3d8/0x15b0 [17734.239749][ T7704] ip6_route_info_create+0xf18/0x17d0 [17734.239749][ T7704] addrconf_f6i_alloc+0x315/0x560 [17734.239749][ T7704] ipv6_add_addr+0x411/0x2000 [17734.239749][ T7704] inet6_addr_add+0x30e/0xa40 [17734.239749][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17734.239749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17734.239749][ T7704] netlink_rcv_skb+0x130/0x360 [17734.239749][ T7704] netlink_unicast+0x449/0x710 [17734.239749][ T7704] netlink_sendmsg+0x723/0xbe0 [17734.239749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17734.239749][ T7704] ___sys_sendmsg+0xee/0x170 [17734.239749][ T7704] __sys_sendmsg+0xcd/0x170 [17734.239749][ T7704] do_syscall_64+0xc6/0x1e0 [17734.239749][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17734.239749][ T7704] [17734.241910][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17734.241910][ T7704] netdev_get_by_index+0x5e/0x80 [17734.241910][ T7704] fib6_nh_init+0x3d8/0x15b0 [17734.241910][ T7704] ip6_route_info_create+0xf18/0x17d0 [17734.241910][ T7704] ip6_route_add+0x1c/0x140 [17734.241910][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17734.241910][ T7704] addrconf_add_dev+0xe2/0x170 [17734.241910][ T7704] inet6_addr_add+0x12f/0xa40 [17734.241910][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17734.241910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17734.241910][ T7704] netlink_rcv_skb+0x130/0x360 [17734.241910][ T7704] netlink_unicast+0x449/0x710 [17734.241910][ T7704] netlink_sendmsg+0x723/0xbe0 [17734.241910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17734.241910][ T7704] ___sys_sendmsg+0xee/0x170 [17734.241910][ T7704] __sys_sendmsg+0xcd/0x170 [17734.241910][ T7704] do_syscall_64+0xc6/0x1e0 [17734.241910][ T7704] [17734.244031][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17734.244031][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17734.244031][ T7704] ipv6_find_idev+0x102/0x170 [17734.244031][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17734.244031][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17734.244031][ T7704] netlink_rcv_skb+0x130/0x360 [17734.244031][ T7704] netlink_unicast+0x449/0x710 [17734.244031][ T7704] netlink_sendmsg+0x723/0xbe0 [17734.244031][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17734.244031][ T7704] ___sys_sendmsg+0xee/0x170 [17734.244031][ T7704] __sys_sendmsg+0xcd/0x170 [17734.244031][ T7704] do_syscall_64+0xc6/0x1e0 [17734.244031][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17734.244031][ T7704] [17734.245725][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17734.245725][ T7704] neigh_parms_alloc+0x1e5/0x510 [17734.245725][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17734.245725][ T7704] ipv6_find_idev+0x102/0x170 [17734.245725][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17734.245725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17734.245725][ T7704] netlink_rcv_skb+0x130/0x360 [17734.245725][ T7704] netlink_unicast+0x449/0x710 [17734.245725][ T7704] netlink_sendmsg+0x723/0xbe0 [17734.245725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17734.245725][ T7704] ___sys_sendmsg+0xee/0x170 [17734.245725][ T7704] __sys_sendmsg+0xcd/0x170 [17734.245725][ T7704] do_syscall_64+0xc6/0x1e0 [17734.245725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17734.245725][ T7704] [17744.492880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17744.493520][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17744.493520][ T7704] netdev_get_by_index+0x5e/0x80 [17744.493520][ T7704] fib6_nh_init+0x3d8/0x15b0 [17744.493520][ T7704] ip6_route_info_create+0xf18/0x17d0 [17744.493520][ T7704] ip6_route_add+0x1c/0x140 [17744.493520][ T7704] addrconf_prefix_route+0x2a6/0x430 [17744.493520][ T7704] inet6_addr_add+0x4f8/0xa40 [17744.493520][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17744.493520][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17744.493520][ T7704] netlink_rcv_skb+0x130/0x360 [17744.493520][ T7704] netlink_unicast+0x449/0x710 [17744.493520][ T7704] netlink_sendmsg+0x723/0xbe0 [17744.493520][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17744.493520][ T7704] ___sys_sendmsg+0xee/0x170 [17744.493520][ T7704] __sys_sendmsg+0xcd/0x170 [17744.493520][ T7704] do_syscall_64+0xc6/0x1e0 [17744.493520][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17744.493520][ T7704] [17744.495707][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17744.495707][ T7704] netdev_get_by_index+0x5e/0x80 [17744.495707][ T7704] fib6_nh_init+0x3d8/0x15b0 [17744.495707][ T7704] ip6_route_info_create+0xf18/0x17d0 [17744.495707][ T7704] addrconf_f6i_alloc+0x315/0x560 [17744.495707][ T7704] ipv6_add_addr+0x411/0x2000 [17744.495707][ T7704] inet6_addr_add+0x30e/0xa40 [17744.495707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17744.495707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17744.495707][ T7704] netlink_rcv_skb+0x130/0x360 [17744.495707][ T7704] netlink_unicast+0x449/0x710 [17744.495707][ T7704] netlink_sendmsg+0x723/0xbe0 [17744.495707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17744.495707][ T7704] ___sys_sendmsg+0xee/0x170 [17744.495707][ T7704] __sys_sendmsg+0xcd/0x170 [17744.495707][ T7704] do_syscall_64+0xc6/0x1e0 [17744.495707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17744.495707][ T7704] [17744.497880][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17744.497880][ T7704] netdev_get_by_index+0x5e/0x80 [17744.497880][ T7704] fib6_nh_init+0x3d8/0x15b0 [17744.497880][ T7704] ip6_route_info_create+0xf18/0x17d0 [17744.497880][ T7704] ip6_route_add+0x1c/0x140 [17744.497880][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17744.497880][ T7704] addrconf_add_dev+0xe2/0x170 [17744.497880][ T7704] inet6_addr_add+0x12f/0xa40 [17744.497880][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17744.497880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17744.497880][ T7704] netlink_rcv_skb+0x130/0x360 [17744.497880][ T7704] netlink_unicast+0x449/0x710 [17744.497880][ T7704] netlink_sendmsg+0x723/0xbe0 [17744.497880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17744.497880][ T7704] ___sys_sendmsg+0xee/0x170 [17744.497880][ T7704] __sys_sendmsg+0xcd/0x170 [17744.497880][ T7704] do_syscall_64+0xc6/0x1e0 [17744.497880][ T7704] [17744.500058][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17744.500058][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17744.500058][ T7704] ipv6_find_idev+0x102/0x170 [17744.500058][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17744.500058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17744.500058][ T7704] netlink_rcv_skb+0x130/0x360 [17744.500058][ T7704] netlink_unicast+0x449/0x710 [17744.500058][ T7704] netlink_sendmsg+0x723/0xbe0 [17744.500058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17744.500058][ T7704] ___sys_sendmsg+0xee/0x170 [17744.500058][ T7704] __sys_sendmsg+0xcd/0x170 [17744.500058][ T7704] do_syscall_64+0xc6/0x1e0 [17744.500058][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17744.500058][ T7704] [17744.501723][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17744.501723][ T7704] neigh_parms_alloc+0x1e5/0x510 [17744.501723][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17744.501723][ T7704] ipv6_find_idev+0x102/0x170 [17744.501723][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17744.501723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17744.501723][ T7704] netlink_rcv_skb+0x130/0x360 [17744.501723][ T7704] netlink_unicast+0x449/0x710 [17744.501723][ T7704] netlink_sendmsg+0x723/0xbe0 [17744.501723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17744.501723][ T7704] ___sys_sendmsg+0xee/0x170 [17744.501723][ T7704] __sys_sendmsg+0xcd/0x170 [17744.501723][ T7704] do_syscall_64+0xc6/0x1e0 [17744.501723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17744.501723][ T7704] [17754.828855][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17754.829476][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17754.829476][ T7704] netdev_get_by_index+0x5e/0x80 [17754.829476][ T7704] fib6_nh_init+0x3d8/0x15b0 [17754.829476][ T7704] ip6_route_info_create+0xf18/0x17d0 [17754.829476][ T7704] ip6_route_add+0x1c/0x140 [17754.829476][ T7704] addrconf_prefix_route+0x2a6/0x430 [17754.829476][ T7704] inet6_addr_add+0x4f8/0xa40 [17754.829476][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17754.829476][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17754.829476][ T7704] netlink_rcv_skb+0x130/0x360 [17754.829476][ T7704] netlink_unicast+0x449/0x710 [17754.829476][ T7704] netlink_sendmsg+0x723/0xbe0 [17754.829476][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17754.829476][ T7704] ___sys_sendmsg+0xee/0x170 [17754.829476][ T7704] __sys_sendmsg+0xcd/0x170 [17754.829476][ T7704] do_syscall_64+0xc6/0x1e0 [17754.829476][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17754.829476][ T7704] [17754.831802][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17754.831802][ T7704] netdev_get_by_index+0x5e/0x80 [17754.831802][ T7704] fib6_nh_init+0x3d8/0x15b0 [17754.831802][ T7704] ip6_route_info_create+0xf18/0x17d0 [17754.831802][ T7704] addrconf_f6i_alloc+0x315/0x560 [17754.831802][ T7704] ipv6_add_addr+0x411/0x2000 [17754.831802][ T7704] inet6_addr_add+0x30e/0xa40 [17754.831802][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17754.831802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17754.831802][ T7704] netlink_rcv_skb+0x130/0x360 [17754.831802][ T7704] netlink_unicast+0x449/0x710 [17754.831802][ T7704] netlink_sendmsg+0x723/0xbe0 [17754.831802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17754.831802][ T7704] ___sys_sendmsg+0xee/0x170 [17754.831802][ T7704] __sys_sendmsg+0xcd/0x170 [17754.831802][ T7704] do_syscall_64+0xc6/0x1e0 [17754.831802][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17754.831802][ T7704] [17754.834142][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17754.834142][ T7704] netdev_get_by_index+0x5e/0x80 [17754.834142][ T7704] fib6_nh_init+0x3d8/0x15b0 [17754.834142][ T7704] ip6_route_info_create+0xf18/0x17d0 [17754.834142][ T7704] ip6_route_add+0x1c/0x140 [17754.834142][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17754.834142][ T7704] addrconf_add_dev+0xe2/0x170 [17754.834142][ T7704] inet6_addr_add+0x12f/0xa40 [17754.834142][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17754.834142][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17754.834142][ T7704] netlink_rcv_skb+0x130/0x360 [17754.834142][ T7704] netlink_unicast+0x449/0x710 [17754.834142][ T7704] netlink_sendmsg+0x723/0xbe0 [17754.834142][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17754.834142][ T7704] ___sys_sendmsg+0xee/0x170 [17754.834142][ T7704] __sys_sendmsg+0xcd/0x170 [17754.834142][ T7704] do_syscall_64+0xc6/0x1e0 [17754.834142][ T7704] [17754.836563][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17754.836563][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17754.836563][ T7704] ipv6_find_idev+0x102/0x170 [17754.836563][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17754.836563][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17754.836563][ T7704] netlink_rcv_skb+0x130/0x360 [17754.836563][ T7704] netlink_unicast+0x449/0x710 [17754.836563][ T7704] netlink_sendmsg+0x723/0xbe0 [17754.836563][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17754.836563][ T7704] ___sys_sendmsg+0xee/0x170 [17754.836563][ T7704] __sys_sendmsg+0xcd/0x170 [17754.836563][ T7704] do_syscall_64+0xc6/0x1e0 [17754.836563][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17754.836563][ T7704] [17754.838433][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17754.838433][ T7704] neigh_parms_alloc+0x1e5/0x510 [17754.838433][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17754.838433][ T7704] ipv6_find_idev+0x102/0x170 [17754.838433][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17754.838433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17754.838433][ T7704] netlink_rcv_skb+0x130/0x360 [17754.838433][ T7704] netlink_unicast+0x449/0x710 [17754.838433][ T7704] netlink_sendmsg+0x723/0xbe0 [17754.838433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17754.838433][ T7704] ___sys_sendmsg+0xee/0x170 [17754.838433][ T7704] __sys_sendmsg+0xcd/0x170 [17754.838433][ T7704] do_syscall_64+0xc6/0x1e0 [17754.838433][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17754.838433][ T7704] [17765.052883][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17765.053487][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17765.053487][ T7704] netdev_get_by_index+0x5e/0x80 [17765.053487][ T7704] fib6_nh_init+0x3d8/0x15b0 [17765.053487][ T7704] ip6_route_info_create+0xf18/0x17d0 [17765.053487][ T7704] ip6_route_add+0x1c/0x140 [17765.053487][ T7704] addrconf_prefix_route+0x2a6/0x430 [17765.053487][ T7704] inet6_addr_add+0x4f8/0xa40 [17765.053487][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17765.053487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17765.053487][ T7704] netlink_rcv_skb+0x130/0x360 [17765.053487][ T7704] netlink_unicast+0x449/0x710 [17765.053487][ T7704] netlink_sendmsg+0x723/0xbe0 [17765.053487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17765.053487][ T7704] ___sys_sendmsg+0xee/0x170 [17765.053487][ T7704] __sys_sendmsg+0xcd/0x170 [17765.053487][ T7704] do_syscall_64+0xc6/0x1e0 [17765.053487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17765.053487][ T7704] [17765.055878][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17765.055878][ T7704] netdev_get_by_index+0x5e/0x80 [17765.055878][ T7704] fib6_nh_init+0x3d8/0x15b0 [17765.055878][ T7704] ip6_route_info_create+0xf18/0x17d0 [17765.055878][ T7704] addrconf_f6i_alloc+0x315/0x560 [17765.055878][ T7704] ipv6_add_addr+0x411/0x2000 [17765.055878][ T7704] inet6_addr_add+0x30e/0xa40 [17765.055878][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17765.055878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17765.055878][ T7704] netlink_rcv_skb+0x130/0x360 [17765.055878][ T7704] netlink_unicast+0x449/0x710 [17765.055878][ T7704] netlink_sendmsg+0x723/0xbe0 [17765.055878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17765.055878][ T7704] ___sys_sendmsg+0xee/0x170 [17765.055878][ T7704] __sys_sendmsg+0xcd/0x170 [17765.055878][ T7704] do_syscall_64+0xc6/0x1e0 [17765.055878][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17765.055878][ T7704] [17765.058144][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17765.058144][ T7704] netdev_get_by_index+0x5e/0x80 [17765.058144][ T7704] fib6_nh_init+0x3d8/0x15b0 [17765.058144][ T7704] ip6_route_info_create+0xf18/0x17d0 [17765.058144][ T7704] ip6_route_add+0x1c/0x140 [17765.058144][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17765.058144][ T7704] addrconf_add_dev+0xe2/0x170 [17765.058144][ T7704] inet6_addr_add+0x12f/0xa40 [17765.058144][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17765.058144][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17765.058144][ T7704] netlink_rcv_skb+0x130/0x360 [17765.058144][ T7704] netlink_unicast+0x449/0x710 [17765.058144][ T7704] netlink_sendmsg+0x723/0xbe0 [17765.058144][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17765.058144][ T7704] ___sys_sendmsg+0xee/0x170 [17765.058144][ T7704] __sys_sendmsg+0xcd/0x170 [17765.058144][ T7704] do_syscall_64+0xc6/0x1e0 [17765.058144][ T7704] [17765.060529][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17765.060529][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17765.060529][ T7704] ipv6_find_idev+0x102/0x170 [17765.060529][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17765.060529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17765.060529][ T7704] netlink_rcv_skb+0x130/0x360 [17765.060529][ T7704] netlink_unicast+0x449/0x710 [17765.060529][ T7704] netlink_sendmsg+0x723/0xbe0 [17765.060529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17765.060529][ T7704] ___sys_sendmsg+0xee/0x170 [17765.060529][ T7704] __sys_sendmsg+0xcd/0x170 [17765.060529][ T7704] do_syscall_64+0xc6/0x1e0 [17765.060529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17765.060529][ T7704] [17765.062326][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17765.062326][ T7704] neigh_parms_alloc+0x1e5/0x510 [17765.062326][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17765.062326][ T7704] ipv6_find_idev+0x102/0x170 [17765.062326][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17765.062326][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17765.062326][ T7704] netlink_rcv_skb+0x130/0x360 [17765.062326][ T7704] netlink_unicast+0x449/0x710 [17765.062326][ T7704] netlink_sendmsg+0x723/0xbe0 [17765.062326][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17765.062326][ T7704] ___sys_sendmsg+0xee/0x170 [17765.062326][ T7704] __sys_sendmsg+0xcd/0x170 [17765.062326][ T7704] do_syscall_64+0xc6/0x1e0 [17765.062326][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17765.062326][ T7704] [17775.300909][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17775.301611][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17775.301611][ T7704] netdev_get_by_index+0x5e/0x80 [17775.301611][ T7704] fib6_nh_init+0x3d8/0x15b0 [17775.301611][ T7704] ip6_route_info_create+0xf18/0x17d0 [17775.301611][ T7704] ip6_route_add+0x1c/0x140 [17775.301611][ T7704] addrconf_prefix_route+0x2a6/0x430 [17775.301611][ T7704] inet6_addr_add+0x4f8/0xa40 [17775.301611][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17775.301611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17775.301611][ T7704] netlink_rcv_skb+0x130/0x360 [17775.301611][ T7704] netlink_unicast+0x449/0x710 [17775.301611][ T7704] netlink_sendmsg+0x723/0xbe0 [17775.301611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17775.301611][ T7704] ___sys_sendmsg+0xee/0x170 [17775.301611][ T7704] __sys_sendmsg+0xcd/0x170 [17775.301611][ T7704] do_syscall_64+0xc6/0x1e0 [17775.301611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17775.301611][ T7704] [17775.304429][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17775.304429][ T7704] netdev_get_by_index+0x5e/0x80 [17775.304429][ T7704] fib6_nh_init+0x3d8/0x15b0 [17775.304429][ T7704] ip6_route_info_create+0xf18/0x17d0 [17775.304429][ T7704] addrconf_f6i_alloc+0x315/0x560 [17775.304429][ T7704] ipv6_add_addr+0x411/0x2000 [17775.304429][ T7704] inet6_addr_add+0x30e/0xa40 [17775.304429][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17775.304429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17775.304429][ T7704] netlink_rcv_skb+0x130/0x360 [17775.304429][ T7704] netlink_unicast+0x449/0x710 [17775.304429][ T7704] netlink_sendmsg+0x723/0xbe0 [17775.304429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17775.304429][ T7704] ___sys_sendmsg+0xee/0x170 [17775.304429][ T7704] __sys_sendmsg+0xcd/0x170 [17775.304429][ T7704] do_syscall_64+0xc6/0x1e0 [17775.304429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17775.304429][ T7704] [17775.306836][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17775.306836][ T7704] netdev_get_by_index+0x5e/0x80 [17775.306836][ T7704] fib6_nh_init+0x3d8/0x15b0 [17775.306836][ T7704] ip6_route_info_create+0xf18/0x17d0 [17775.306836][ T7704] ip6_route_add+0x1c/0x140 [17775.306836][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17775.306836][ T7704] addrconf_add_dev+0xe2/0x170 [17775.306836][ T7704] inet6_addr_add+0x12f/0xa40 [17775.306836][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17775.306836][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17775.306836][ T7704] netlink_rcv_skb+0x130/0x360 [17775.306836][ T7704] netlink_unicast+0x449/0x710 [17775.306836][ T7704] netlink_sendmsg+0x723/0xbe0 [17775.306836][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17775.306836][ T7704] ___sys_sendmsg+0xee/0x170 [17775.306836][ T7704] __sys_sendmsg+0xcd/0x170 [17775.306836][ T7704] do_syscall_64+0xc6/0x1e0 [17775.306836][ T7704] [17775.309111][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17775.309111][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17775.309111][ T7704] ipv6_find_idev+0x102/0x170 [17775.309111][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17775.309111][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17775.309111][ T7704] netlink_rcv_skb+0x130/0x360 [17775.309111][ T7704] netlink_unicast+0x449/0x710 [17775.309111][ T7704] netlink_sendmsg+0x723/0xbe0 [17775.309111][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17775.309111][ T7704] ___sys_sendmsg+0xee/0x170 [17775.309111][ T7704] __sys_sendmsg+0xcd/0x170 [17775.309111][ T7704] do_syscall_64+0xc6/0x1e0 [17775.309111][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17775.309111][ T7704] [17775.310849][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17775.310849][ T7704] neigh_parms_alloc+0x1e5/0x510 [17775.310849][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17775.310849][ T7704] ipv6_find_idev+0x102/0x170 [17775.310849][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17775.310849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17775.310849][ T7704] netlink_rcv_skb+0x130/0x360 [17775.310849][ T7704] netlink_unicast+0x449/0x710 [17775.310849][ T7704] netlink_sendmsg+0x723/0xbe0 [17775.310849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17775.310849][ T7704] ___sys_sendmsg+0xee/0x170 [17775.310849][ T7704] __sys_sendmsg+0xcd/0x170 [17775.310849][ T7704] do_syscall_64+0xc6/0x1e0 [17775.310849][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17775.310849][ T7704] [17785.548824][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17785.549448][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17785.549448][ T7704] netdev_get_by_index+0x5e/0x80 [17785.549448][ T7704] fib6_nh_init+0x3d8/0x15b0 [17785.549448][ T7704] ip6_route_info_create+0xf18/0x17d0 [17785.549448][ T7704] ip6_route_add+0x1c/0x140 [17785.549448][ T7704] addrconf_prefix_route+0x2a6/0x430 [17785.549448][ T7704] inet6_addr_add+0x4f8/0xa40 [17785.549448][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17785.549448][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17785.549448][ T7704] netlink_rcv_skb+0x130/0x360 [17785.549448][ T7704] netlink_unicast+0x449/0x710 [17785.549448][ T7704] netlink_sendmsg+0x723/0xbe0 [17785.549448][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17785.549448][ T7704] ___sys_sendmsg+0xee/0x170 [17785.549448][ T7704] __sys_sendmsg+0xcd/0x170 [17785.549448][ T7704] do_syscall_64+0xc6/0x1e0 [17785.549448][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17785.549448][ T7704] [17785.551964][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17785.551964][ T7704] netdev_get_by_index+0x5e/0x80 [17785.551964][ T7704] fib6_nh_init+0x3d8/0x15b0 [17785.551964][ T7704] ip6_route_info_create+0xf18/0x17d0 [17785.551964][ T7704] addrconf_f6i_alloc+0x315/0x560 [17785.551964][ T7704] ipv6_add_addr+0x411/0x2000 [17785.551964][ T7704] inet6_addr_add+0x30e/0xa40 [17785.551964][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17785.551964][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17785.551964][ T7704] netlink_rcv_skb+0x130/0x360 [17785.551964][ T7704] netlink_unicast+0x449/0x710 [17785.551964][ T7704] netlink_sendmsg+0x723/0xbe0 [17785.551964][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17785.551964][ T7704] ___sys_sendmsg+0xee/0x170 [17785.551964][ T7704] __sys_sendmsg+0xcd/0x170 [17785.551964][ T7704] do_syscall_64+0xc6/0x1e0 [17785.551964][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17785.551964][ T7704] [17785.554333][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17785.554333][ T7704] netdev_get_by_index+0x5e/0x80 [17785.554333][ T7704] fib6_nh_init+0x3d8/0x15b0 [17785.554333][ T7704] ip6_route_info_create+0xf18/0x17d0 [17785.554333][ T7704] ip6_route_add+0x1c/0x140 [17785.554333][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17785.554333][ T7704] addrconf_add_dev+0xe2/0x170 [17785.554333][ T7704] inet6_addr_add+0x12f/0xa40 [17785.554333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17785.554333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17785.554333][ T7704] netlink_rcv_skb+0x130/0x360 [17785.554333][ T7704] netlink_unicast+0x449/0x710 [17785.554333][ T7704] netlink_sendmsg+0x723/0xbe0 [17785.554333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17785.554333][ T7704] ___sys_sendmsg+0xee/0x170 [17785.554333][ T7704] __sys_sendmsg+0xcd/0x170 [17785.554333][ T7704] do_syscall_64+0xc6/0x1e0 [17785.554333][ T7704] [17785.556623][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17785.556623][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17785.556623][ T7704] ipv6_find_idev+0x102/0x170 [17785.556623][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17785.556623][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17785.556623][ T7704] netlink_rcv_skb+0x130/0x360 [17785.556623][ T7704] netlink_unicast+0x449/0x710 [17785.556623][ T7704] netlink_sendmsg+0x723/0xbe0 [17785.556623][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17785.556623][ T7704] ___sys_sendmsg+0xee/0x170 [17785.556623][ T7704] __sys_sendmsg+0xcd/0x170 [17785.556623][ T7704] do_syscall_64+0xc6/0x1e0 [17785.556623][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17785.556623][ T7704] [17785.558482][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17785.558482][ T7704] neigh_parms_alloc+0x1e5/0x510 [17785.558482][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17785.558482][ T7704] ipv6_find_idev+0x102/0x170 [17785.558482][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17785.558482][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17785.558482][ T7704] netlink_rcv_skb+0x130/0x360 [17785.558482][ T7704] netlink_unicast+0x449/0x710 [17785.558482][ T7704] netlink_sendmsg+0x723/0xbe0 [17785.558482][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17785.558482][ T7704] ___sys_sendmsg+0xee/0x170 [17785.558482][ T7704] __sys_sendmsg+0xcd/0x170 [17785.558482][ T7704] do_syscall_64+0xc6/0x1e0 [17785.558482][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17785.558482][ T7704] [17795.796805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17795.797357][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17795.797357][ T7704] netdev_get_by_index+0x5e/0x80 [17795.797357][ T7704] fib6_nh_init+0x3d8/0x15b0 [17795.797357][ T7704] ip6_route_info_create+0xf18/0x17d0 [17795.797357][ T7704] ip6_route_add+0x1c/0x140 [17795.797357][ T7704] addrconf_prefix_route+0x2a6/0x430 [17795.797357][ T7704] inet6_addr_add+0x4f8/0xa40 [17795.797357][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17795.797357][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17795.797357][ T7704] netlink_rcv_skb+0x130/0x360 [17795.797357][ T7704] netlink_unicast+0x449/0x710 [17795.797357][ T7704] netlink_sendmsg+0x723/0xbe0 [17795.797357][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17795.797357][ T7704] ___sys_sendmsg+0xee/0x170 [17795.797357][ T7704] __sys_sendmsg+0xcd/0x170 [17795.797357][ T7704] do_syscall_64+0xc6/0x1e0 [17795.797357][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17795.797357][ T7704] [17795.799798][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17795.799798][ T7704] netdev_get_by_index+0x5e/0x80 [17795.799798][ T7704] fib6_nh_init+0x3d8/0x15b0 [17795.799798][ T7704] ip6_route_info_create+0xf18/0x17d0 [17795.799798][ T7704] addrconf_f6i_alloc+0x315/0x560 [17795.799798][ T7704] ipv6_add_addr+0x411/0x2000 [17795.799798][ T7704] inet6_addr_add+0x30e/0xa40 [17795.799798][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17795.799798][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17795.799798][ T7704] netlink_rcv_skb+0x130/0x360 [17795.799798][ T7704] netlink_unicast+0x449/0x710 [17795.799798][ T7704] netlink_sendmsg+0x723/0xbe0 [17795.799798][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17795.799798][ T7704] ___sys_sendmsg+0xee/0x170 [17795.799798][ T7704] __sys_sendmsg+0xcd/0x170 [17795.799798][ T7704] do_syscall_64+0xc6/0x1e0 [17795.799798][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17795.799798][ T7704] [17795.802195][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17795.802195][ T7704] netdev_get_by_index+0x5e/0x80 [17795.802195][ T7704] fib6_nh_init+0x3d8/0x15b0 [17795.802195][ T7704] ip6_route_info_create+0xf18/0x17d0 [17795.802195][ T7704] ip6_route_add+0x1c/0x140 [17795.802195][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17795.802195][ T7704] addrconf_add_dev+0xe2/0x170 [17795.802195][ T7704] inet6_addr_add+0x12f/0xa40 [17795.802195][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17795.802195][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17795.802195][ T7704] netlink_rcv_skb+0x130/0x360 [17795.802195][ T7704] netlink_unicast+0x449/0x710 [17795.802195][ T7704] netlink_sendmsg+0x723/0xbe0 [17795.802195][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17795.802195][ T7704] ___sys_sendmsg+0xee/0x170 [17795.802195][ T7704] __sys_sendmsg+0xcd/0x170 [17795.802195][ T7704] do_syscall_64+0xc6/0x1e0 [17795.802195][ T7704] [17795.804578][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17795.804578][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17795.804578][ T7704] ipv6_find_idev+0x102/0x170 [17795.804578][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17795.804578][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17795.804578][ T7704] netlink_rcv_skb+0x130/0x360 [17795.804578][ T7704] netlink_unicast+0x449/0x710 [17795.804578][ T7704] netlink_sendmsg+0x723/0xbe0 [17795.804578][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17795.804578][ T7704] ___sys_sendmsg+0xee/0x170 [17795.804578][ T7704] __sys_sendmsg+0xcd/0x170 [17795.804578][ T7704] do_syscall_64+0xc6/0x1e0 [17795.804578][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17795.804578][ T7704] [17795.806410][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17795.806410][ T7704] neigh_parms_alloc+0x1e5/0x510 [17795.806410][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17795.806410][ T7704] ipv6_find_idev+0x102/0x170 [17795.806410][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17795.806410][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17795.806410][ T7704] netlink_rcv_skb+0x130/0x360 [17795.806410][ T7704] netlink_unicast+0x449/0x710 [17795.806410][ T7704] netlink_sendmsg+0x723/0xbe0 [17795.806410][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17795.806410][ T7704] ___sys_sendmsg+0xee/0x170 [17795.806410][ T7704] __sys_sendmsg+0xcd/0x170 [17795.806410][ T7704] do_syscall_64+0xc6/0x1e0 [17795.806410][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17795.806410][ T7704] [17805.852906][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17805.853428][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17805.853428][ T7704] netdev_get_by_index+0x5e/0x80 [17805.853428][ T7704] fib6_nh_init+0x3d8/0x15b0 [17805.853428][ T7704] ip6_route_info_create+0xf18/0x17d0 [17805.853428][ T7704] ip6_route_add+0x1c/0x140 [17805.853428][ T7704] addrconf_prefix_route+0x2a6/0x430 [17805.853428][ T7704] inet6_addr_add+0x4f8/0xa40 [17805.853428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17805.853428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17805.853428][ T7704] netlink_rcv_skb+0x130/0x360 [17805.853428][ T7704] netlink_unicast+0x449/0x710 [17805.853428][ T7704] netlink_sendmsg+0x723/0xbe0 [17805.853428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17805.853428][ T7704] ___sys_sendmsg+0xee/0x170 [17805.853428][ T7704] __sys_sendmsg+0xcd/0x170 [17805.853428][ T7704] do_syscall_64+0xc6/0x1e0 [17805.853428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17805.853428][ T7704] [17805.855721][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17805.855721][ T7704] netdev_get_by_index+0x5e/0x80 [17805.855721][ T7704] fib6_nh_init+0x3d8/0x15b0 [17805.855721][ T7704] ip6_route_info_create+0xf18/0x17d0 [17805.855721][ T7704] addrconf_f6i_alloc+0x315/0x560 [17805.855721][ T7704] ipv6_add_addr+0x411/0x2000 [17805.855721][ T7704] inet6_addr_add+0x30e/0xa40 [17805.855721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17805.855721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17805.855721][ T7704] netlink_rcv_skb+0x130/0x360 [17805.855721][ T7704] netlink_unicast+0x449/0x710 [17805.855721][ T7704] netlink_sendmsg+0x723/0xbe0 [17805.855721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17805.855721][ T7704] ___sys_sendmsg+0xee/0x170 [17805.855721][ T7704] __sys_sendmsg+0xcd/0x170 [17805.855721][ T7704] do_syscall_64+0xc6/0x1e0 [17805.855721][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17805.855721][ T7704] [17805.857989][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17805.857989][ T7704] netdev_get_by_index+0x5e/0x80 [17805.857989][ T7704] fib6_nh_init+0x3d8/0x15b0 [17805.857989][ T7704] ip6_route_info_create+0xf18/0x17d0 [17805.857989][ T7704] ip6_route_add+0x1c/0x140 [17805.857989][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17805.857989][ T7704] addrconf_add_dev+0xe2/0x170 [17805.857989][ T7704] inet6_addr_add+0x12f/0xa40 [17805.857989][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17805.857989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17805.857989][ T7704] netlink_rcv_skb+0x130/0x360 [17805.857989][ T7704] netlink_unicast+0x449/0x710 [17805.857989][ T7704] netlink_sendmsg+0x723/0xbe0 [17805.857989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17805.857989][ T7704] ___sys_sendmsg+0xee/0x170 [17805.857989][ T7704] __sys_sendmsg+0xcd/0x170 [17805.857989][ T7704] do_syscall_64+0xc6/0x1e0 [17805.857989][ T7704] [17805.860225][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17805.860225][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17805.860225][ T7704] ipv6_find_idev+0x102/0x170 [17805.860225][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17805.860225][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17805.860225][ T7704] netlink_rcv_skb+0x130/0x360 [17805.860225][ T7704] netlink_unicast+0x449/0x710 [17805.860225][ T7704] netlink_sendmsg+0x723/0xbe0 [17805.860225][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17805.860225][ T7704] ___sys_sendmsg+0xee/0x170 [17805.860225][ T7704] __sys_sendmsg+0xcd/0x170 [17805.860225][ T7704] do_syscall_64+0xc6/0x1e0 [17805.860225][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17805.860225][ T7704] [17805.862109][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17805.862109][ T7704] neigh_parms_alloc+0x1e5/0x510 [17805.862109][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17805.862109][ T7704] ipv6_find_idev+0x102/0x170 [17805.862109][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17805.862109][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17805.862109][ T7704] netlink_rcv_skb+0x130/0x360 [17805.862109][ T7704] netlink_unicast+0x449/0x710 [17805.862109][ T7704] netlink_sendmsg+0x723/0xbe0 [17805.862109][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17805.862109][ T7704] ___sys_sendmsg+0xee/0x170 [17805.862109][ T7704] __sys_sendmsg+0xcd/0x170 [17805.862109][ T7704] do_syscall_64+0xc6/0x1e0 [17805.862109][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17805.862109][ T7704] [17815.884862][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17815.885494][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17815.885494][ T7704] netdev_get_by_index+0x5e/0x80 [17815.885494][ T7704] fib6_nh_init+0x3d8/0x15b0 [17815.885494][ T7704] ip6_route_info_create+0xf18/0x17d0 [17815.885494][ T7704] ip6_route_add+0x1c/0x140 [17815.885494][ T7704] addrconf_prefix_route+0x2a6/0x430 [17815.885494][ T7704] inet6_addr_add+0x4f8/0xa40 [17815.885494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17815.885494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17815.885494][ T7704] netlink_rcv_skb+0x130/0x360 [17815.885494][ T7704] netlink_unicast+0x449/0x710 [17815.885494][ T7704] netlink_sendmsg+0x723/0xbe0 [17815.885494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17815.885494][ T7704] ___sys_sendmsg+0xee/0x170 [17815.885494][ T7704] __sys_sendmsg+0xcd/0x170 [17815.885494][ T7704] do_syscall_64+0xc6/0x1e0 [17815.885494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17815.885494][ T7704] [17815.887932][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17815.887932][ T7704] netdev_get_by_index+0x5e/0x80 [17815.887932][ T7704] fib6_nh_init+0x3d8/0x15b0 [17815.887932][ T7704] ip6_route_info_create+0xf18/0x17d0 [17815.887932][ T7704] addrconf_f6i_alloc+0x315/0x560 [17815.887932][ T7704] ipv6_add_addr+0x411/0x2000 [17815.887932][ T7704] inet6_addr_add+0x30e/0xa40 [17815.887932][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17815.887932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17815.887932][ T7704] netlink_rcv_skb+0x130/0x360 [17815.887932][ T7704] netlink_unicast+0x449/0x710 [17815.887932][ T7704] netlink_sendmsg+0x723/0xbe0 [17815.887932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17815.887932][ T7704] ___sys_sendmsg+0xee/0x170 [17815.887932][ T7704] __sys_sendmsg+0xcd/0x170 [17815.887932][ T7704] do_syscall_64+0xc6/0x1e0 [17815.887932][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17815.887932][ T7704] [17815.890282][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17815.890282][ T7704] netdev_get_by_index+0x5e/0x80 [17815.890282][ T7704] fib6_nh_init+0x3d8/0x15b0 [17815.890282][ T7704] ip6_route_info_create+0xf18/0x17d0 [17815.890282][ T7704] ip6_route_add+0x1c/0x140 [17815.890282][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17815.890282][ T7704] addrconf_add_dev+0xe2/0x170 [17815.890282][ T7704] inet6_addr_add+0x12f/0xa40 [17815.890282][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17815.890282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17815.890282][ T7704] netlink_rcv_skb+0x130/0x360 [17815.890282][ T7704] netlink_unicast+0x449/0x710 [17815.890282][ T7704] netlink_sendmsg+0x723/0xbe0 [17815.890282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17815.890282][ T7704] ___sys_sendmsg+0xee/0x170 [17815.890282][ T7704] __sys_sendmsg+0xcd/0x170 [17815.890282][ T7704] do_syscall_64+0xc6/0x1e0 [17815.890282][ T7704] [17815.892630][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17815.892630][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17815.892630][ T7704] ipv6_find_idev+0x102/0x170 [17815.892630][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17815.892630][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17815.892630][ T7704] netlink_rcv_skb+0x130/0x360 [17815.892630][ T7704] netlink_unicast+0x449/0x710 [17815.892630][ T7704] netlink_sendmsg+0x723/0xbe0 [17815.892630][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17815.892630][ T7704] ___sys_sendmsg+0xee/0x170 [17815.892630][ T7704] __sys_sendmsg+0xcd/0x170 [17815.892630][ T7704] do_syscall_64+0xc6/0x1e0 [17815.892630][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17815.892630][ T7704] [17815.894498][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17815.894498][ T7704] neigh_parms_alloc+0x1e5/0x510 [17815.894498][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17815.894498][ T7704] ipv6_find_idev+0x102/0x170 [17815.894498][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17815.894498][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17815.894498][ T7704] netlink_rcv_skb+0x130/0x360 [17815.894498][ T7704] netlink_unicast+0x449/0x710 [17815.894498][ T7704] netlink_sendmsg+0x723/0xbe0 [17815.894498][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17815.894498][ T7704] ___sys_sendmsg+0xee/0x170 [17815.894498][ T7704] __sys_sendmsg+0xcd/0x170 [17815.894498][ T7704] do_syscall_64+0xc6/0x1e0 [17815.894498][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17815.894498][ T7704] [17826.148894][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17826.149647][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17826.149647][ T7704] netdev_get_by_index+0x5e/0x80 [17826.149647][ T7704] fib6_nh_init+0x3d8/0x15b0 [17826.149647][ T7704] ip6_route_info_create+0xf18/0x17d0 [17826.149647][ T7704] ip6_route_add+0x1c/0x140 [17826.149647][ T7704] addrconf_prefix_route+0x2a6/0x430 [17826.149647][ T7704] inet6_addr_add+0x4f8/0xa40 [17826.149647][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17826.149647][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17826.149647][ T7704] netlink_rcv_skb+0x130/0x360 [17826.149647][ T7704] netlink_unicast+0x449/0x710 [17826.149647][ T7704] netlink_sendmsg+0x723/0xbe0 [17826.149647][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17826.149647][ T7704] ___sys_sendmsg+0xee/0x170 [17826.149647][ T7704] __sys_sendmsg+0xcd/0x170 [17826.149647][ T7704] do_syscall_64+0xc6/0x1e0 [17826.149647][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17826.149647][ T7704] [17826.152011][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17826.152011][ T7704] netdev_get_by_index+0x5e/0x80 [17826.152011][ T7704] fib6_nh_init+0x3d8/0x15b0 [17826.152011][ T7704] ip6_route_info_create+0xf18/0x17d0 [17826.152011][ T7704] addrconf_f6i_alloc+0x315/0x560 [17826.152011][ T7704] ipv6_add_addr+0x411/0x2000 [17826.152011][ T7704] inet6_addr_add+0x30e/0xa40 [17826.152011][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17826.152011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17826.152011][ T7704] netlink_rcv_skb+0x130/0x360 [17826.152011][ T7704] netlink_unicast+0x449/0x710 [17826.152011][ T7704] netlink_sendmsg+0x723/0xbe0 [17826.152011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17826.152011][ T7704] ___sys_sendmsg+0xee/0x170 [17826.152011][ T7704] __sys_sendmsg+0xcd/0x170 [17826.152011][ T7704] do_syscall_64+0xc6/0x1e0 [17826.152011][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17826.152011][ T7704] [17826.154279][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17826.154279][ T7704] netdev_get_by_index+0x5e/0x80 [17826.154279][ T7704] fib6_nh_init+0x3d8/0x15b0 [17826.154279][ T7704] ip6_route_info_create+0xf18/0x17d0 [17826.154279][ T7704] ip6_route_add+0x1c/0x140 [17826.154279][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17826.154279][ T7704] addrconf_add_dev+0xe2/0x170 [17826.154279][ T7704] inet6_addr_add+0x12f/0xa40 [17826.154279][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17826.154279][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17826.154279][ T7704] netlink_rcv_skb+0x130/0x360 [17826.154279][ T7704] netlink_unicast+0x449/0x710 [17826.154279][ T7704] netlink_sendmsg+0x723/0xbe0 [17826.154279][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17826.154279][ T7704] ___sys_sendmsg+0xee/0x170 [17826.154279][ T7704] __sys_sendmsg+0xcd/0x170 [17826.154279][ T7704] do_syscall_64+0xc6/0x1e0 [17826.154279][ T7704] [17826.156494][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17826.156494][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17826.156494][ T7704] ipv6_find_idev+0x102/0x170 [17826.156494][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17826.156494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17826.156494][ T7704] netlink_rcv_skb+0x130/0x360 [17826.156494][ T7704] netlink_unicast+0x449/0x710 [17826.156494][ T7704] netlink_sendmsg+0x723/0xbe0 [17826.156494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17826.156494][ T7704] ___sys_sendmsg+0xee/0x170 [17826.156494][ T7704] __sys_sendmsg+0xcd/0x170 [17826.156494][ T7704] do_syscall_64+0xc6/0x1e0 [17826.156494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17826.156494][ T7704] [17826.158233][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17826.158233][ T7704] neigh_parms_alloc+0x1e5/0x510 [17826.158233][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17826.158233][ T7704] ipv6_find_idev+0x102/0x170 [17826.158233][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17826.158233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17826.158233][ T7704] netlink_rcv_skb+0x130/0x360 [17826.158233][ T7704] netlink_unicast+0x449/0x710 [17826.158233][ T7704] netlink_sendmsg+0x723/0xbe0 [17826.158233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17826.158233][ T7704] ___sys_sendmsg+0xee/0x170 [17826.158233][ T7704] __sys_sendmsg+0xcd/0x170 [17826.158233][ T7704] do_syscall_64+0xc6/0x1e0 [17826.158233][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17826.158233][ T7704] [17836.172888][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17836.173358][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17836.173358][ T7704] netdev_get_by_index+0x5e/0x80 [17836.173358][ T7704] fib6_nh_init+0x3d8/0x15b0 [17836.173358][ T7704] ip6_route_info_create+0xf18/0x17d0 [17836.173358][ T7704] ip6_route_add+0x1c/0x140 [17836.173358][ T7704] addrconf_prefix_route+0x2a6/0x430 [17836.173358][ T7704] inet6_addr_add+0x4f8/0xa40 [17836.173358][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17836.173358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17836.173358][ T7704] netlink_rcv_skb+0x130/0x360 [17836.173358][ T7704] netlink_unicast+0x449/0x710 [17836.173358][ T7704] netlink_sendmsg+0x723/0xbe0 [17836.173358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17836.173358][ T7704] ___sys_sendmsg+0xee/0x170 [17836.173358][ T7704] __sys_sendmsg+0xcd/0x170 [17836.173358][ T7704] do_syscall_64+0xc6/0x1e0 [17836.173358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17836.173358][ T7704] [17836.175746][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17836.175746][ T7704] netdev_get_by_index+0x5e/0x80 [17836.175746][ T7704] fib6_nh_init+0x3d8/0x15b0 [17836.175746][ T7704] ip6_route_info_create+0xf18/0x17d0 [17836.175746][ T7704] addrconf_f6i_alloc+0x315/0x560 [17836.175746][ T7704] ipv6_add_addr+0x411/0x2000 [17836.175746][ T7704] inet6_addr_add+0x30e/0xa40 [17836.175746][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17836.175746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17836.175746][ T7704] netlink_rcv_skb+0x130/0x360 [17836.175746][ T7704] netlink_unicast+0x449/0x710 [17836.175746][ T7704] netlink_sendmsg+0x723/0xbe0 [17836.175746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17836.175746][ T7704] ___sys_sendmsg+0xee/0x170 [17836.175746][ T7704] __sys_sendmsg+0xcd/0x170 [17836.175746][ T7704] do_syscall_64+0xc6/0x1e0 [17836.175746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17836.175746][ T7704] [17836.178193][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17836.178193][ T7704] netdev_get_by_index+0x5e/0x80 [17836.178193][ T7704] fib6_nh_init+0x3d8/0x15b0 [17836.178193][ T7704] ip6_route_info_create+0xf18/0x17d0 [17836.178193][ T7704] ip6_route_add+0x1c/0x140 [17836.178193][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17836.178193][ T7704] addrconf_add_dev+0xe2/0x170 [17836.178193][ T7704] inet6_addr_add+0x12f/0xa40 [17836.178193][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17836.178193][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17836.178193][ T7704] netlink_rcv_skb+0x130/0x360 [17836.178193][ T7704] netlink_unicast+0x449/0x710 [17836.178193][ T7704] netlink_sendmsg+0x723/0xbe0 [17836.178193][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17836.178193][ T7704] ___sys_sendmsg+0xee/0x170 [17836.178193][ T7704] __sys_sendmsg+0xcd/0x170 [17836.178193][ T7704] do_syscall_64+0xc6/0x1e0 [17836.178193][ T7704] [17836.180656][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17836.180656][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17836.180656][ T7704] ipv6_find_idev+0x102/0x170 [17836.180656][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17836.180656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17836.180656][ T7704] netlink_rcv_skb+0x130/0x360 [17836.180656][ T7704] netlink_unicast+0x449/0x710 [17836.180656][ T7704] netlink_sendmsg+0x723/0xbe0 [17836.180656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17836.180656][ T7704] ___sys_sendmsg+0xee/0x170 [17836.180656][ T7704] __sys_sendmsg+0xcd/0x170 [17836.180656][ T7704] do_syscall_64+0xc6/0x1e0 [17836.180656][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17836.180656][ T7704] [17836.182544][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17836.182544][ T7704] neigh_parms_alloc+0x1e5/0x510 [17836.182544][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17836.182544][ T7704] ipv6_find_idev+0x102/0x170 [17836.182544][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17836.182544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17836.182544][ T7704] netlink_rcv_skb+0x130/0x360 [17836.182544][ T7704] netlink_unicast+0x449/0x710 [17836.182544][ T7704] netlink_sendmsg+0x723/0xbe0 [17836.182544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17836.182544][ T7704] ___sys_sendmsg+0xee/0x170 [17836.182544][ T7704] __sys_sendmsg+0xcd/0x170 [17836.182544][ T7704] do_syscall_64+0xc6/0x1e0 [17836.182544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17836.182544][ T7704] [17846.420856][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17846.421322][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17846.421322][ T7704] netdev_get_by_index+0x5e/0x80 [17846.421322][ T7704] fib6_nh_init+0x3d8/0x15b0 [17846.421322][ T7704] ip6_route_info_create+0xf18/0x17d0 [17846.421322][ T7704] ip6_route_add+0x1c/0x140 [17846.421322][ T7704] addrconf_prefix_route+0x2a6/0x430 [17846.421322][ T7704] inet6_addr_add+0x4f8/0xa40 [17846.421322][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17846.421322][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17846.421322][ T7704] netlink_rcv_skb+0x130/0x360 [17846.421322][ T7704] netlink_unicast+0x449/0x710 [17846.421322][ T7704] netlink_sendmsg+0x723/0xbe0 [17846.421322][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17846.421322][ T7704] ___sys_sendmsg+0xee/0x170 [17846.421322][ T7704] __sys_sendmsg+0xcd/0x170 [17846.421322][ T7704] do_syscall_64+0xc6/0x1e0 [17846.421322][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17846.421322][ T7704] [17846.423610][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17846.423610][ T7704] netdev_get_by_index+0x5e/0x80 [17846.423610][ T7704] fib6_nh_init+0x3d8/0x15b0 [17846.423610][ T7704] ip6_route_info_create+0xf18/0x17d0 [17846.423610][ T7704] addrconf_f6i_alloc+0x315/0x560 [17846.423610][ T7704] ipv6_add_addr+0x411/0x2000 [17846.423610][ T7704] inet6_addr_add+0x30e/0xa40 [17846.423610][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17846.423610][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17846.423610][ T7704] netlink_rcv_skb+0x130/0x360 [17846.423610][ T7704] netlink_unicast+0x449/0x710 [17846.423610][ T7704] netlink_sendmsg+0x723/0xbe0 [17846.423610][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17846.423610][ T7704] ___sys_sendmsg+0xee/0x170 [17846.423610][ T7704] __sys_sendmsg+0xcd/0x170 [17846.423610][ T7704] do_syscall_64+0xc6/0x1e0 [17846.423610][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17846.423610][ T7704] [17846.425863][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17846.425863][ T7704] netdev_get_by_index+0x5e/0x80 [17846.425863][ T7704] fib6_nh_init+0x3d8/0x15b0 [17846.425863][ T7704] ip6_route_info_create+0xf18/0x17d0 [17846.425863][ T7704] ip6_route_add+0x1c/0x140 [17846.425863][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17846.425863][ T7704] addrconf_add_dev+0xe2/0x170 [17846.425863][ T7704] inet6_addr_add+0x12f/0xa40 [17846.425863][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17846.425863][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17846.425863][ T7704] netlink_rcv_skb+0x130/0x360 [17846.425863][ T7704] netlink_unicast+0x449/0x710 [17846.425863][ T7704] netlink_sendmsg+0x723/0xbe0 [17846.425863][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17846.425863][ T7704] ___sys_sendmsg+0xee/0x170 [17846.425863][ T7704] __sys_sendmsg+0xcd/0x170 [17846.425863][ T7704] do_syscall_64+0xc6/0x1e0 [17846.425863][ T7704] [17846.428147][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17846.428147][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17846.428147][ T7704] ipv6_find_idev+0x102/0x170 [17846.428147][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17846.428147][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17846.428147][ T7704] netlink_rcv_skb+0x130/0x360 [17846.428147][ T7704] netlink_unicast+0x449/0x710 [17846.428147][ T7704] netlink_sendmsg+0x723/0xbe0 [17846.428147][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17846.428147][ T7704] ___sys_sendmsg+0xee/0x170 [17846.428147][ T7704] __sys_sendmsg+0xcd/0x170 [17846.428147][ T7704] do_syscall_64+0xc6/0x1e0 [17846.428147][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17846.428147][ T7704] [17846.430009][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17846.430009][ T7704] neigh_parms_alloc+0x1e5/0x510 [17846.430009][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17846.430009][ T7704] ipv6_find_idev+0x102/0x170 [17846.430009][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17846.430009][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17846.430009][ T7704] netlink_rcv_skb+0x130/0x360 [17846.430009][ T7704] netlink_unicast+0x449/0x710 [17846.430009][ T7704] netlink_sendmsg+0x723/0xbe0 [17846.430009][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17846.430009][ T7704] ___sys_sendmsg+0xee/0x170 [17846.430009][ T7704] __sys_sendmsg+0xcd/0x170 [17846.430009][ T7704] do_syscall_64+0xc6/0x1e0 [17846.430009][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17846.430009][ T7704] [17856.452901][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17856.453489][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17856.453489][ T7704] netdev_get_by_index+0x5e/0x80 [17856.453489][ T7704] fib6_nh_init+0x3d8/0x15b0 [17856.453489][ T7704] ip6_route_info_create+0xf18/0x17d0 [17856.453489][ T7704] ip6_route_add+0x1c/0x140 [17856.453489][ T7704] addrconf_prefix_route+0x2a6/0x430 [17856.453489][ T7704] inet6_addr_add+0x4f8/0xa40 [17856.453489][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17856.453489][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17856.453489][ T7704] netlink_rcv_skb+0x130/0x360 [17856.453489][ T7704] netlink_unicast+0x449/0x710 [17856.453489][ T7704] netlink_sendmsg+0x723/0xbe0 [17856.453489][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17856.453489][ T7704] ___sys_sendmsg+0xee/0x170 [17856.453489][ T7704] __sys_sendmsg+0xcd/0x170 [17856.453489][ T7704] do_syscall_64+0xc6/0x1e0 [17856.453489][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17856.453489][ T7704] [17856.455922][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17856.455922][ T7704] netdev_get_by_index+0x5e/0x80 [17856.455922][ T7704] fib6_nh_init+0x3d8/0x15b0 [17856.455922][ T7704] ip6_route_info_create+0xf18/0x17d0 [17856.455922][ T7704] addrconf_f6i_alloc+0x315/0x560 [17856.455922][ T7704] ipv6_add_addr+0x411/0x2000 [17856.455922][ T7704] inet6_addr_add+0x30e/0xa40 [17856.455922][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17856.455922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17856.455922][ T7704] netlink_rcv_skb+0x130/0x360 [17856.455922][ T7704] netlink_unicast+0x449/0x710 [17856.455922][ T7704] netlink_sendmsg+0x723/0xbe0 [17856.455922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17856.455922][ T7704] ___sys_sendmsg+0xee/0x170 [17856.455922][ T7704] __sys_sendmsg+0xcd/0x170 [17856.455922][ T7704] do_syscall_64+0xc6/0x1e0 [17856.455922][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17856.455922][ T7704] [17856.458329][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17856.458329][ T7704] netdev_get_by_index+0x5e/0x80 [17856.458329][ T7704] fib6_nh_init+0x3d8/0x15b0 [17856.458329][ T7704] ip6_route_info_create+0xf18/0x17d0 [17856.458329][ T7704] ip6_route_add+0x1c/0x140 [17856.458329][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17856.458329][ T7704] addrconf_add_dev+0xe2/0x170 [17856.458329][ T7704] inet6_addr_add+0x12f/0xa40 [17856.458329][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17856.458329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17856.458329][ T7704] netlink_rcv_skb+0x130/0x360 [17856.458329][ T7704] netlink_unicast+0x449/0x710 [17856.458329][ T7704] netlink_sendmsg+0x723/0xbe0 [17856.458329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17856.458329][ T7704] ___sys_sendmsg+0xee/0x170 [17856.458329][ T7704] __sys_sendmsg+0xcd/0x170 [17856.458329][ T7704] do_syscall_64+0xc6/0x1e0 [17856.458329][ T7704] [17856.460674][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17856.460674][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17856.460674][ T7704] ipv6_find_idev+0x102/0x170 [17856.460674][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17856.460674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17856.460674][ T7704] netlink_rcv_skb+0x130/0x360 [17856.460674][ T7704] netlink_unicast+0x449/0x710 [17856.460674][ T7704] netlink_sendmsg+0x723/0xbe0 [17856.460674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17856.460674][ T7704] ___sys_sendmsg+0xee/0x170 [17856.460674][ T7704] __sys_sendmsg+0xcd/0x170 [17856.460674][ T7704] do_syscall_64+0xc6/0x1e0 [17856.460674][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17856.460674][ T7704] [17856.462437][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17856.462437][ T7704] neigh_parms_alloc+0x1e5/0x510 [17856.462437][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17856.462437][ T7704] ipv6_find_idev+0x102/0x170 [17856.462437][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17856.462437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17856.462437][ T7704] netlink_rcv_skb+0x130/0x360 [17856.462437][ T7704] netlink_unicast+0x449/0x710 [17856.462437][ T7704] netlink_sendmsg+0x723/0xbe0 [17856.462437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17856.462437][ T7704] ___sys_sendmsg+0xee/0x170 [17856.462437][ T7704] __sys_sendmsg+0xcd/0x170 [17856.462437][ T7704] do_syscall_64+0xc6/0x1e0 [17856.462437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17856.462437][ T7704] [17866.564867][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17866.565365][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17866.565365][ T7704] netdev_get_by_index+0x5e/0x80 [17866.565365][ T7704] fib6_nh_init+0x3d8/0x15b0 [17866.565365][ T7704] ip6_route_info_create+0xf18/0x17d0 [17866.565365][ T7704] ip6_route_add+0x1c/0x140 [17866.565365][ T7704] addrconf_prefix_route+0x2a6/0x430 [17866.565365][ T7704] inet6_addr_add+0x4f8/0xa40 [17866.565365][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17866.565365][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17866.565365][ T7704] netlink_rcv_skb+0x130/0x360 [17866.565365][ T7704] netlink_unicast+0x449/0x710 [17866.565365][ T7704] netlink_sendmsg+0x723/0xbe0 [17866.565365][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17866.565365][ T7704] ___sys_sendmsg+0xee/0x170 [17866.565365][ T7704] __sys_sendmsg+0xcd/0x170 [17866.565365][ T7704] do_syscall_64+0xc6/0x1e0 [17866.565365][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17866.565365][ T7704] [17866.567835][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17866.567835][ T7704] netdev_get_by_index+0x5e/0x80 [17866.567835][ T7704] fib6_nh_init+0x3d8/0x15b0 [17866.567835][ T7704] ip6_route_info_create+0xf18/0x17d0 [17866.567835][ T7704] addrconf_f6i_alloc+0x315/0x560 [17866.567835][ T7704] ipv6_add_addr+0x411/0x2000 [17866.567835][ T7704] inet6_addr_add+0x30e/0xa40 [17866.567835][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17866.567835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17866.567835][ T7704] netlink_rcv_skb+0x130/0x360 [17866.567835][ T7704] netlink_unicast+0x449/0x710 [17866.567835][ T7704] netlink_sendmsg+0x723/0xbe0 [17866.567835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17866.567835][ T7704] ___sys_sendmsg+0xee/0x170 [17866.567835][ T7704] __sys_sendmsg+0xcd/0x170 [17866.567835][ T7704] do_syscall_64+0xc6/0x1e0 [17866.567835][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17866.567835][ T7704] [17866.570293][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17866.570293][ T7704] netdev_get_by_index+0x5e/0x80 [17866.570293][ T7704] fib6_nh_init+0x3d8/0x15b0 [17866.570293][ T7704] ip6_route_info_create+0xf18/0x17d0 [17866.570293][ T7704] ip6_route_add+0x1c/0x140 [17866.570293][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17866.570293][ T7704] addrconf_add_dev+0xe2/0x170 [17866.570293][ T7704] inet6_addr_add+0x12f/0xa40 [17866.570293][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17866.570293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17866.570293][ T7704] netlink_rcv_skb+0x130/0x360 [17866.570293][ T7704] netlink_unicast+0x449/0x710 [17866.570293][ T7704] netlink_sendmsg+0x723/0xbe0 [17866.570293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17866.570293][ T7704] ___sys_sendmsg+0xee/0x170 [17866.570293][ T7704] __sys_sendmsg+0xcd/0x170 [17866.570293][ T7704] do_syscall_64+0xc6/0x1e0 [17866.570293][ T7704] [17866.572677][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17866.572677][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17866.572677][ T7704] ipv6_find_idev+0x102/0x170 [17866.572677][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17866.572677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17866.572677][ T7704] netlink_rcv_skb+0x130/0x360 [17866.572677][ T7704] netlink_unicast+0x449/0x710 [17866.572677][ T7704] netlink_sendmsg+0x723/0xbe0 [17866.572677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17866.572677][ T7704] ___sys_sendmsg+0xee/0x170 [17866.572677][ T7704] __sys_sendmsg+0xcd/0x170 [17866.572677][ T7704] do_syscall_64+0xc6/0x1e0 [17866.572677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17866.572677][ T7704] [17866.574496][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17866.574496][ T7704] neigh_parms_alloc+0x1e5/0x510 [17866.574496][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17866.574496][ T7704] ipv6_find_idev+0x102/0x170 [17866.574496][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17866.574496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17866.574496][ T7704] netlink_rcv_skb+0x130/0x360 [17866.574496][ T7704] netlink_unicast+0x449/0x710 [17866.574496][ T7704] netlink_sendmsg+0x723/0xbe0 [17866.574496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17866.574496][ T7704] ___sys_sendmsg+0xee/0x170 [17866.574496][ T7704] __sys_sendmsg+0xcd/0x170 [17866.574496][ T7704] do_syscall_64+0xc6/0x1e0 [17866.574496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17866.574496][ T7704] [17876.612880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17876.613384][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17876.613384][ T7704] netdev_get_by_index+0x5e/0x80 [17876.613384][ T7704] fib6_nh_init+0x3d8/0x15b0 [17876.613384][ T7704] ip6_route_info_create+0xf18/0x17d0 [17876.613384][ T7704] ip6_route_add+0x1c/0x140 [17876.613384][ T7704] addrconf_prefix_route+0x2a6/0x430 [17876.613384][ T7704] inet6_addr_add+0x4f8/0xa40 [17876.613384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17876.613384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17876.613384][ T7704] netlink_rcv_skb+0x130/0x360 [17876.613384][ T7704] netlink_unicast+0x449/0x710 [17876.613384][ T7704] netlink_sendmsg+0x723/0xbe0 [17876.613384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17876.613384][ T7704] ___sys_sendmsg+0xee/0x170 [17876.613384][ T7704] __sys_sendmsg+0xcd/0x170 [17876.613384][ T7704] do_syscall_64+0xc6/0x1e0 [17876.613384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17876.613384][ T7704] [17876.615797][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17876.615797][ T7704] netdev_get_by_index+0x5e/0x80 [17876.615797][ T7704] fib6_nh_init+0x3d8/0x15b0 [17876.615797][ T7704] ip6_route_info_create+0xf18/0x17d0 [17876.615797][ T7704] addrconf_f6i_alloc+0x315/0x560 [17876.615797][ T7704] ipv6_add_addr+0x411/0x2000 [17876.615797][ T7704] inet6_addr_add+0x30e/0xa40 [17876.615797][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17876.615797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17876.615797][ T7704] netlink_rcv_skb+0x130/0x360 [17876.615797][ T7704] netlink_unicast+0x449/0x710 [17876.615797][ T7704] netlink_sendmsg+0x723/0xbe0 [17876.615797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17876.615797][ T7704] ___sys_sendmsg+0xee/0x170 [17876.615797][ T7704] __sys_sendmsg+0xcd/0x170 [17876.615797][ T7704] do_syscall_64+0xc6/0x1e0 [17876.615797][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17876.615797][ T7704] [17876.618217][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17876.618217][ T7704] netdev_get_by_index+0x5e/0x80 [17876.618217][ T7704] fib6_nh_init+0x3d8/0x15b0 [17876.618217][ T7704] ip6_route_info_create+0xf18/0x17d0 [17876.618217][ T7704] ip6_route_add+0x1c/0x140 [17876.618217][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17876.618217][ T7704] addrconf_add_dev+0xe2/0x170 [17876.618217][ T7704] inet6_addr_add+0x12f/0xa40 [17876.618217][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17876.618217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17876.618217][ T7704] netlink_rcv_skb+0x130/0x360 [17876.618217][ T7704] netlink_unicast+0x449/0x710 [17876.618217][ T7704] netlink_sendmsg+0x723/0xbe0 [17876.618217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17876.618217][ T7704] ___sys_sendmsg+0xee/0x170 [17876.618217][ T7704] __sys_sendmsg+0xcd/0x170 [17876.618217][ T7704] do_syscall_64+0xc6/0x1e0 [17876.618217][ T7704] [17876.621149][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17876.621149][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17876.621149][ T7704] ipv6_find_idev+0x102/0x170 [17876.621149][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17876.621149][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17876.621149][ T7704] netlink_rcv_skb+0x130/0x360 [17876.621149][ T7704] netlink_unicast+0x449/0x710 [17876.621149][ T7704] netlink_sendmsg+0x723/0xbe0 [17876.621149][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17876.621149][ T7704] ___sys_sendmsg+0xee/0x170 [17876.621149][ T7704] __sys_sendmsg+0xcd/0x170 [17876.621149][ T7704] do_syscall_64+0xc6/0x1e0 [17876.621149][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17876.621149][ T7704] [17876.622993][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17876.622993][ T7704] neigh_parms_alloc+0x1e5/0x510 [17876.622993][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17876.622993][ T7704] ipv6_find_idev+0x102/0x170 [17876.622993][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17876.622993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17876.622993][ T7704] netlink_rcv_skb+0x130/0x360 [17876.622993][ T7704] netlink_unicast+0x449/0x710 [17876.622993][ T7704] netlink_sendmsg+0x723/0xbe0 [17876.622993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17876.622993][ T7704] ___sys_sendmsg+0xee/0x170 [17876.622993][ T7704] __sys_sendmsg+0xcd/0x170 [17876.622993][ T7704] do_syscall_64+0xc6/0x1e0 [17876.622993][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17876.622993][ T7704] [17886.860855][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17886.861396][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17886.861396][ T7704] netdev_get_by_index+0x5e/0x80 [17886.861396][ T7704] fib6_nh_init+0x3d8/0x15b0 [17886.861396][ T7704] ip6_route_info_create+0xf18/0x17d0 [17886.861396][ T7704] ip6_route_add+0x1c/0x140 [17886.861396][ T7704] addrconf_prefix_route+0x2a6/0x430 [17886.861396][ T7704] inet6_addr_add+0x4f8/0xa40 [17886.861396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17886.861396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17886.861396][ T7704] netlink_rcv_skb+0x130/0x360 [17886.861396][ T7704] netlink_unicast+0x449/0x710 [17886.861396][ T7704] netlink_sendmsg+0x723/0xbe0 [17886.861396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17886.861396][ T7704] ___sys_sendmsg+0xee/0x170 [17886.861396][ T7704] __sys_sendmsg+0xcd/0x170 [17886.861396][ T7704] do_syscall_64+0xc6/0x1e0 [17886.861396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17886.861396][ T7704] [17886.863894][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17886.863894][ T7704] netdev_get_by_index+0x5e/0x80 [17886.863894][ T7704] fib6_nh_init+0x3d8/0x15b0 [17886.863894][ T7704] ip6_route_info_create+0xf18/0x17d0 [17886.863894][ T7704] addrconf_f6i_alloc+0x315/0x560 [17886.863894][ T7704] ipv6_add_addr+0x411/0x2000 [17886.863894][ T7704] inet6_addr_add+0x30e/0xa40 [17886.863894][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17886.863894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17886.863894][ T7704] netlink_rcv_skb+0x130/0x360 [17886.863894][ T7704] netlink_unicast+0x449/0x710 [17886.863894][ T7704] netlink_sendmsg+0x723/0xbe0 [17886.863894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17886.863894][ T7704] ___sys_sendmsg+0xee/0x170 [17886.863894][ T7704] __sys_sendmsg+0xcd/0x170 [17886.863894][ T7704] do_syscall_64+0xc6/0x1e0 [17886.863894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17886.863894][ T7704] [17886.866290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17886.866290][ T7704] netdev_get_by_index+0x5e/0x80 [17886.866290][ T7704] fib6_nh_init+0x3d8/0x15b0 [17886.866290][ T7704] ip6_route_info_create+0xf18/0x17d0 [17886.866290][ T7704] ip6_route_add+0x1c/0x140 [17886.866290][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17886.866290][ T7704] addrconf_add_dev+0xe2/0x170 [17886.866290][ T7704] inet6_addr_add+0x12f/0xa40 [17886.866290][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17886.866290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17886.866290][ T7704] netlink_rcv_skb+0x130/0x360 [17886.866290][ T7704] netlink_unicast+0x449/0x710 [17886.866290][ T7704] netlink_sendmsg+0x723/0xbe0 [17886.866290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17886.866290][ T7704] ___sys_sendmsg+0xee/0x170 [17886.866290][ T7704] __sys_sendmsg+0xcd/0x170 [17886.866290][ T7704] do_syscall_64+0xc6/0x1e0 [17886.866290][ T7704] [17886.868651][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17886.868651][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17886.868651][ T7704] ipv6_find_idev+0x102/0x170 [17886.868651][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17886.868651][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17886.868651][ T7704] netlink_rcv_skb+0x130/0x360 [17886.868651][ T7704] netlink_unicast+0x449/0x710 [17886.868651][ T7704] netlink_sendmsg+0x723/0xbe0 [17886.868651][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17886.868651][ T7704] ___sys_sendmsg+0xee/0x170 [17886.868651][ T7704] __sys_sendmsg+0xcd/0x170 [17886.868651][ T7704] do_syscall_64+0xc6/0x1e0 [17886.868651][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17886.868651][ T7704] [17886.870513][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17886.870513][ T7704] neigh_parms_alloc+0x1e5/0x510 [17886.870513][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17886.870513][ T7704] ipv6_find_idev+0x102/0x170 [17886.870513][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17886.870513][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17886.870513][ T7704] netlink_rcv_skb+0x130/0x360 [17886.870513][ T7704] netlink_unicast+0x449/0x710 [17886.870513][ T7704] netlink_sendmsg+0x723/0xbe0 [17886.870513][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17886.870513][ T7704] ___sys_sendmsg+0xee/0x170 [17886.870513][ T7704] __sys_sendmsg+0xcd/0x170 [17886.870513][ T7704] do_syscall_64+0xc6/0x1e0 [17886.870513][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17886.870513][ T7704] [17897.108893][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17897.109428][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17897.109428][ T7704] netdev_get_by_index+0x5e/0x80 [17897.109428][ T7704] fib6_nh_init+0x3d8/0x15b0 [17897.109428][ T7704] ip6_route_info_create+0xf18/0x17d0 [17897.109428][ T7704] ip6_route_add+0x1c/0x140 [17897.109428][ T7704] addrconf_prefix_route+0x2a6/0x430 [17897.109428][ T7704] inet6_addr_add+0x4f8/0xa40 [17897.109428][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17897.109428][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17897.109428][ T7704] netlink_rcv_skb+0x130/0x360 [17897.109428][ T7704] netlink_unicast+0x449/0x710 [17897.109428][ T7704] netlink_sendmsg+0x723/0xbe0 [17897.109428][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17897.109428][ T7704] ___sys_sendmsg+0xee/0x170 [17897.109428][ T7704] __sys_sendmsg+0xcd/0x170 [17897.109428][ T7704] do_syscall_64+0xc6/0x1e0 [17897.109428][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17897.109428][ T7704] [17897.111654][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17897.111654][ T7704] netdev_get_by_index+0x5e/0x80 [17897.111654][ T7704] fib6_nh_init+0x3d8/0x15b0 [17897.111654][ T7704] ip6_route_info_create+0xf18/0x17d0 [17897.111654][ T7704] addrconf_f6i_alloc+0x315/0x560 [17897.111654][ T7704] ipv6_add_addr+0x411/0x2000 [17897.111654][ T7704] inet6_addr_add+0x30e/0xa40 [17897.111654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17897.111654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17897.111654][ T7704] netlink_rcv_skb+0x130/0x360 [17897.111654][ T7704] netlink_unicast+0x449/0x710 [17897.111654][ T7704] netlink_sendmsg+0x723/0xbe0 [17897.111654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17897.111654][ T7704] ___sys_sendmsg+0xee/0x170 [17897.111654][ T7704] __sys_sendmsg+0xcd/0x170 [17897.111654][ T7704] do_syscall_64+0xc6/0x1e0 [17897.111654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17897.111654][ T7704] [17897.113860][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17897.113860][ T7704] netdev_get_by_index+0x5e/0x80 [17897.113860][ T7704] fib6_nh_init+0x3d8/0x15b0 [17897.113860][ T7704] ip6_route_info_create+0xf18/0x17d0 [17897.113860][ T7704] ip6_route_add+0x1c/0x140 [17897.113860][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17897.113860][ T7704] addrconf_add_dev+0xe2/0x170 [17897.113860][ T7704] inet6_addr_add+0x12f/0xa40 [17897.113860][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17897.113860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17897.113860][ T7704] netlink_rcv_skb+0x130/0x360 [17897.113860][ T7704] netlink_unicast+0x449/0x710 [17897.113860][ T7704] netlink_sendmsg+0x723/0xbe0 [17897.113860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17897.113860][ T7704] ___sys_sendmsg+0xee/0x170 [17897.113860][ T7704] __sys_sendmsg+0xcd/0x170 [17897.113860][ T7704] do_syscall_64+0xc6/0x1e0 [17897.113860][ T7704] [17897.116035][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17897.116035][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17897.116035][ T7704] ipv6_find_idev+0x102/0x170 [17897.116035][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17897.116035][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17897.116035][ T7704] netlink_rcv_skb+0x130/0x360 [17897.116035][ T7704] netlink_unicast+0x449/0x710 [17897.116035][ T7704] netlink_sendmsg+0x723/0xbe0 [17897.116035][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17897.116035][ T7704] ___sys_sendmsg+0xee/0x170 [17897.116035][ T7704] __sys_sendmsg+0xcd/0x170 [17897.116035][ T7704] do_syscall_64+0xc6/0x1e0 [17897.116035][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17897.116035][ T7704] [17897.117691][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17897.117691][ T7704] neigh_parms_alloc+0x1e5/0x510 [17897.117691][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17897.117691][ T7704] ipv6_find_idev+0x102/0x170 [17897.117691][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17897.117691][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17897.117691][ T7704] netlink_rcv_skb+0x130/0x360 [17897.117691][ T7704] netlink_unicast+0x449/0x710 [17897.117691][ T7704] netlink_sendmsg+0x723/0xbe0 [17897.117691][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17897.117691][ T7704] ___sys_sendmsg+0xee/0x170 [17897.117691][ T7704] __sys_sendmsg+0xcd/0x170 [17897.117691][ T7704] do_syscall_64+0xc6/0x1e0 [17897.117691][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17897.117691][ T7704] [17907.356840][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17907.357385][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17907.357385][ T7704] netdev_get_by_index+0x5e/0x80 [17907.357385][ T7704] fib6_nh_init+0x3d8/0x15b0 [17907.357385][ T7704] ip6_route_info_create+0xf18/0x17d0 [17907.357385][ T7704] ip6_route_add+0x1c/0x140 [17907.357385][ T7704] addrconf_prefix_route+0x2a6/0x430 [17907.357385][ T7704] inet6_addr_add+0x4f8/0xa40 [17907.357385][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17907.357385][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17907.357385][ T7704] netlink_rcv_skb+0x130/0x360 [17907.357385][ T7704] netlink_unicast+0x449/0x710 [17907.357385][ T7704] netlink_sendmsg+0x723/0xbe0 [17907.357385][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17907.357385][ T7704] ___sys_sendmsg+0xee/0x170 [17907.357385][ T7704] __sys_sendmsg+0xcd/0x170 [17907.357385][ T7704] do_syscall_64+0xc6/0x1e0 [17907.357385][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17907.357385][ T7704] [17907.360013][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17907.360013][ T7704] netdev_get_by_index+0x5e/0x80 [17907.360013][ T7704] fib6_nh_init+0x3d8/0x15b0 [17907.360013][ T7704] ip6_route_info_create+0xf18/0x17d0 [17907.360013][ T7704] addrconf_f6i_alloc+0x315/0x560 [17907.360013][ T7704] ipv6_add_addr+0x411/0x2000 [17907.360013][ T7704] inet6_addr_add+0x30e/0xa40 [17907.360013][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17907.360013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17907.360013][ T7704] netlink_rcv_skb+0x130/0x360 [17907.360013][ T7704] netlink_unicast+0x449/0x710 [17907.360013][ T7704] netlink_sendmsg+0x723/0xbe0 [17907.360013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17907.360013][ T7704] ___sys_sendmsg+0xee/0x170 [17907.360013][ T7704] __sys_sendmsg+0xcd/0x170 [17907.360013][ T7704] do_syscall_64+0xc6/0x1e0 [17907.360013][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17907.360013][ T7704] [17907.362167][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17907.362167][ T7704] netdev_get_by_index+0x5e/0x80 [17907.362167][ T7704] fib6_nh_init+0x3d8/0x15b0 [17907.362167][ T7704] ip6_route_info_create+0xf18/0x17d0 [17907.362167][ T7704] ip6_route_add+0x1c/0x140 [17907.362167][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17907.362167][ T7704] addrconf_add_dev+0xe2/0x170 [17907.362167][ T7704] inet6_addr_add+0x12f/0xa40 [17907.362167][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17907.362167][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17907.362167][ T7704] netlink_rcv_skb+0x130/0x360 [17907.362167][ T7704] netlink_unicast+0x449/0x710 [17907.362167][ T7704] netlink_sendmsg+0x723/0xbe0 [17907.362167][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17907.362167][ T7704] ___sys_sendmsg+0xee/0x170 [17907.362167][ T7704] __sys_sendmsg+0xcd/0x170 [17907.362167][ T7704] do_syscall_64+0xc6/0x1e0 [17907.362167][ T7704] [17907.364334][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17907.364334][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17907.364334][ T7704] ipv6_find_idev+0x102/0x170 [17907.364334][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17907.364334][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17907.364334][ T7704] netlink_rcv_skb+0x130/0x360 [17907.364334][ T7704] netlink_unicast+0x449/0x710 [17907.364334][ T7704] netlink_sendmsg+0x723/0xbe0 [17907.364334][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17907.364334][ T7704] ___sys_sendmsg+0xee/0x170 [17907.364334][ T7704] __sys_sendmsg+0xcd/0x170 [17907.364334][ T7704] do_syscall_64+0xc6/0x1e0 [17907.364334][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17907.364334][ T7704] [17907.366031][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17907.366031][ T7704] neigh_parms_alloc+0x1e5/0x510 [17907.366031][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17907.366031][ T7704] ipv6_find_idev+0x102/0x170 [17907.366031][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17907.366031][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17907.366031][ T7704] netlink_rcv_skb+0x130/0x360 [17907.366031][ T7704] netlink_unicast+0x449/0x710 [17907.366031][ T7704] netlink_sendmsg+0x723/0xbe0 [17907.366031][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17907.366031][ T7704] ___sys_sendmsg+0xee/0x170 [17907.366031][ T7704] __sys_sendmsg+0xcd/0x170 [17907.366031][ T7704] do_syscall_64+0xc6/0x1e0 [17907.366031][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17907.366031][ T7704] [17917.604881][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17917.605366][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17917.605366][ T7704] netdev_get_by_index+0x5e/0x80 [17917.605366][ T7704] fib6_nh_init+0x3d8/0x15b0 [17917.605366][ T7704] ip6_route_info_create+0xf18/0x17d0 [17917.605366][ T7704] ip6_route_add+0x1c/0x140 [17917.605366][ T7704] addrconf_prefix_route+0x2a6/0x430 [17917.605366][ T7704] inet6_addr_add+0x4f8/0xa40 [17917.605366][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17917.605366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17917.605366][ T7704] netlink_rcv_skb+0x130/0x360 [17917.605366][ T7704] netlink_unicast+0x449/0x710 [17917.605366][ T7704] netlink_sendmsg+0x723/0xbe0 [17917.605366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17917.605366][ T7704] ___sys_sendmsg+0xee/0x170 [17917.605366][ T7704] __sys_sendmsg+0xcd/0x170 [17917.605366][ T7704] do_syscall_64+0xc6/0x1e0 [17917.605366][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17917.605366][ T7704] [17917.607657][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17917.607657][ T7704] netdev_get_by_index+0x5e/0x80 [17917.607657][ T7704] fib6_nh_init+0x3d8/0x15b0 [17917.607657][ T7704] ip6_route_info_create+0xf18/0x17d0 [17917.607657][ T7704] addrconf_f6i_alloc+0x315/0x560 [17917.607657][ T7704] ipv6_add_addr+0x411/0x2000 [17917.607657][ T7704] inet6_addr_add+0x30e/0xa40 [17917.607657][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17917.607657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17917.607657][ T7704] netlink_rcv_skb+0x130/0x360 [17917.607657][ T7704] netlink_unicast+0x449/0x710 [17917.607657][ T7704] netlink_sendmsg+0x723/0xbe0 [17917.607657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17917.607657][ T7704] ___sys_sendmsg+0xee/0x170 [17917.607657][ T7704] __sys_sendmsg+0xcd/0x170 [17917.607657][ T7704] do_syscall_64+0xc6/0x1e0 [17917.607657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17917.607657][ T7704] [17917.609892][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17917.609892][ T7704] netdev_get_by_index+0x5e/0x80 [17917.609892][ T7704] fib6_nh_init+0x3d8/0x15b0 [17917.609892][ T7704] ip6_route_info_create+0xf18/0x17d0 [17917.609892][ T7704] ip6_route_add+0x1c/0x140 [17917.609892][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17917.609892][ T7704] addrconf_add_dev+0xe2/0x170 [17917.609892][ T7704] inet6_addr_add+0x12f/0xa40 [17917.609892][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17917.609892][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17917.609892][ T7704] netlink_rcv_skb+0x130/0x360 [17917.609892][ T7704] netlink_unicast+0x449/0x710 [17917.609892][ T7704] netlink_sendmsg+0x723/0xbe0 [17917.609892][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17917.609892][ T7704] ___sys_sendmsg+0xee/0x170 [17917.609892][ T7704] __sys_sendmsg+0xcd/0x170 [17917.609892][ T7704] do_syscall_64+0xc6/0x1e0 [17917.609892][ T7704] [17917.612078][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17917.612078][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17917.612078][ T7704] ipv6_find_idev+0x102/0x170 [17917.612078][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17917.612078][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17917.612078][ T7704] netlink_rcv_skb+0x130/0x360 [17917.612078][ T7704] netlink_unicast+0x449/0x710 [17917.612078][ T7704] netlink_sendmsg+0x723/0xbe0 [17917.612078][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17917.612078][ T7704] ___sys_sendmsg+0xee/0x170 [17917.612078][ T7704] __sys_sendmsg+0xcd/0x170 [17917.612078][ T7704] do_syscall_64+0xc6/0x1e0 [17917.612078][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17917.612078][ T7704] [17917.613803][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17917.613803][ T7704] neigh_parms_alloc+0x1e5/0x510 [17917.613803][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17917.613803][ T7704] ipv6_find_idev+0x102/0x170 [17917.613803][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17917.613803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17917.613803][ T7704] netlink_rcv_skb+0x130/0x360 [17917.613803][ T7704] netlink_unicast+0x449/0x710 [17917.613803][ T7704] netlink_sendmsg+0x723/0xbe0 [17917.613803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17917.613803][ T7704] ___sys_sendmsg+0xee/0x170 [17917.613803][ T7704] __sys_sendmsg+0xcd/0x170 [17917.613803][ T7704] do_syscall_64+0xc6/0x1e0 [17917.613803][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17917.613803][ T7704] [17927.852841][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17927.853361][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17927.853361][ T7704] netdev_get_by_index+0x5e/0x80 [17927.853361][ T7704] fib6_nh_init+0x3d8/0x15b0 [17927.853361][ T7704] ip6_route_info_create+0xf18/0x17d0 [17927.853361][ T7704] ip6_route_add+0x1c/0x140 [17927.853361][ T7704] addrconf_prefix_route+0x2a6/0x430 [17927.853361][ T7704] inet6_addr_add+0x4f8/0xa40 [17927.853361][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17927.853361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17927.853361][ T7704] netlink_rcv_skb+0x130/0x360 [17927.853361][ T7704] netlink_unicast+0x449/0x710 [17927.853361][ T7704] netlink_sendmsg+0x723/0xbe0 [17927.853361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17927.853361][ T7704] ___sys_sendmsg+0xee/0x170 [17927.853361][ T7704] __sys_sendmsg+0xcd/0x170 [17927.853361][ T7704] do_syscall_64+0xc6/0x1e0 [17927.853361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17927.853361][ T7704] [17927.855644][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17927.855644][ T7704] netdev_get_by_index+0x5e/0x80 [17927.855644][ T7704] fib6_nh_init+0x3d8/0x15b0 [17927.855644][ T7704] ip6_route_info_create+0xf18/0x17d0 [17927.855644][ T7704] addrconf_f6i_alloc+0x315/0x560 [17927.855644][ T7704] ipv6_add_addr+0x411/0x2000 [17927.855644][ T7704] inet6_addr_add+0x30e/0xa40 [17927.855644][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17927.855644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17927.855644][ T7704] netlink_rcv_skb+0x130/0x360 [17927.855644][ T7704] netlink_unicast+0x449/0x710 [17927.855644][ T7704] netlink_sendmsg+0x723/0xbe0 [17927.855644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17927.855644][ T7704] ___sys_sendmsg+0xee/0x170 [17927.855644][ T7704] __sys_sendmsg+0xcd/0x170 [17927.855644][ T7704] do_syscall_64+0xc6/0x1e0 [17927.855644][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17927.855644][ T7704] [17927.857845][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17927.857845][ T7704] netdev_get_by_index+0x5e/0x80 [17927.857845][ T7704] fib6_nh_init+0x3d8/0x15b0 [17927.857845][ T7704] ip6_route_info_create+0xf18/0x17d0 [17927.857845][ T7704] ip6_route_add+0x1c/0x140 [17927.857845][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17927.857845][ T7704] addrconf_add_dev+0xe2/0x170 [17927.857845][ T7704] inet6_addr_add+0x12f/0xa40 [17927.857845][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17927.857845][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17927.857845][ T7704] netlink_rcv_skb+0x130/0x360 [17927.857845][ T7704] netlink_unicast+0x449/0x710 [17927.857845][ T7704] netlink_sendmsg+0x723/0xbe0 [17927.857845][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17927.857845][ T7704] ___sys_sendmsg+0xee/0x170 [17927.857845][ T7704] __sys_sendmsg+0xcd/0x170 [17927.857845][ T7704] do_syscall_64+0xc6/0x1e0 [17927.857845][ T7704] [17927.860043][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17927.860043][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17927.860043][ T7704] ipv6_find_idev+0x102/0x170 [17927.860043][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17927.860043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17927.860043][ T7704] netlink_rcv_skb+0x130/0x360 [17927.860043][ T7704] netlink_unicast+0x449/0x710 [17927.860043][ T7704] netlink_sendmsg+0x723/0xbe0 [17927.860043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17927.860043][ T7704] ___sys_sendmsg+0xee/0x170 [17927.860043][ T7704] __sys_sendmsg+0xcd/0x170 [17927.860043][ T7704] do_syscall_64+0xc6/0x1e0 [17927.860043][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17927.860043][ T7704] [17927.861764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17927.861764][ T7704] neigh_parms_alloc+0x1e5/0x510 [17927.861764][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17927.861764][ T7704] ipv6_find_idev+0x102/0x170 [17927.861764][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17927.861764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17927.861764][ T7704] netlink_rcv_skb+0x130/0x360 [17927.861764][ T7704] netlink_unicast+0x449/0x710 [17927.861764][ T7704] netlink_sendmsg+0x723/0xbe0 [17927.861764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17927.861764][ T7704] ___sys_sendmsg+0xee/0x170 [17927.861764][ T7704] __sys_sendmsg+0xcd/0x170 [17927.861764][ T7704] do_syscall_64+0xc6/0x1e0 [17927.861764][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17927.861764][ T7704] [17937.932924][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17937.933620][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17937.933620][ T7704] netdev_get_by_index+0x5e/0x80 [17937.933620][ T7704] fib6_nh_init+0x3d8/0x15b0 [17937.933620][ T7704] ip6_route_info_create+0xf18/0x17d0 [17937.933620][ T7704] ip6_route_add+0x1c/0x140 [17937.933620][ T7704] addrconf_prefix_route+0x2a6/0x430 [17937.933620][ T7704] inet6_addr_add+0x4f8/0xa40 [17937.933620][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17937.933620][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17937.933620][ T7704] netlink_rcv_skb+0x130/0x360 [17937.933620][ T7704] netlink_unicast+0x449/0x710 [17937.933620][ T7704] netlink_sendmsg+0x723/0xbe0 [17937.933620][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17937.933620][ T7704] ___sys_sendmsg+0xee/0x170 [17937.933620][ T7704] __sys_sendmsg+0xcd/0x170 [17937.933620][ T7704] do_syscall_64+0xc6/0x1e0 [17937.933620][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17937.933620][ T7704] [17937.936548][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17937.936548][ T7704] netdev_get_by_index+0x5e/0x80 [17937.936548][ T7704] fib6_nh_init+0x3d8/0x15b0 [17937.936548][ T7704] ip6_route_info_create+0xf18/0x17d0 [17937.936548][ T7704] addrconf_f6i_alloc+0x315/0x560 [17937.936548][ T7704] ipv6_add_addr+0x411/0x2000 [17937.936548][ T7704] inet6_addr_add+0x30e/0xa40 [17937.936548][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17937.936548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17937.936548][ T7704] netlink_rcv_skb+0x130/0x360 [17937.936548][ T7704] netlink_unicast+0x449/0x710 [17937.936548][ T7704] netlink_sendmsg+0x723/0xbe0 [17937.936548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17937.936548][ T7704] ___sys_sendmsg+0xee/0x170 [17937.936548][ T7704] __sys_sendmsg+0xcd/0x170 [17937.936548][ T7704] do_syscall_64+0xc6/0x1e0 [17937.936548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17937.936548][ T7704] [17937.938910][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17937.938910][ T7704] netdev_get_by_index+0x5e/0x80 [17937.938910][ T7704] fib6_nh_init+0x3d8/0x15b0 [17937.938910][ T7704] ip6_route_info_create+0xf18/0x17d0 [17937.938910][ T7704] ip6_route_add+0x1c/0x140 [17937.938910][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17937.938910][ T7704] addrconf_add_dev+0xe2/0x170 [17937.938910][ T7704] inet6_addr_add+0x12f/0xa40 [17937.938910][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17937.938910][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17937.938910][ T7704] netlink_rcv_skb+0x130/0x360 [17937.938910][ T7704] netlink_unicast+0x449/0x710 [17937.938910][ T7704] netlink_sendmsg+0x723/0xbe0 [17937.938910][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17937.938910][ T7704] ___sys_sendmsg+0xee/0x170 [17937.938910][ T7704] __sys_sendmsg+0xcd/0x170 [17937.938910][ T7704] do_syscall_64+0xc6/0x1e0 [17937.938910][ T7704] [17937.941071][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17937.941071][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17937.941071][ T7704] ipv6_find_idev+0x102/0x170 [17937.941071][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17937.941071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17937.941071][ T7704] netlink_rcv_skb+0x130/0x360 [17937.941071][ T7704] netlink_unicast+0x449/0x710 [17937.941071][ T7704] netlink_sendmsg+0x723/0xbe0 [17937.941071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17937.941071][ T7704] ___sys_sendmsg+0xee/0x170 [17937.941071][ T7704] __sys_sendmsg+0xcd/0x170 [17937.941071][ T7704] do_syscall_64+0xc6/0x1e0 [17937.941071][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17937.941071][ T7704] [17937.942746][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17937.942746][ T7704] neigh_parms_alloc+0x1e5/0x510 [17937.942746][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17937.942746][ T7704] ipv6_find_idev+0x102/0x170 [17937.942746][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17937.942746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17937.942746][ T7704] netlink_rcv_skb+0x130/0x360 [17937.942746][ T7704] netlink_unicast+0x449/0x710 [17937.942746][ T7704] netlink_sendmsg+0x723/0xbe0 [17937.942746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17937.942746][ T7704] ___sys_sendmsg+0xee/0x170 [17937.942746][ T7704] __sys_sendmsg+0xcd/0x170 [17937.942746][ T7704] do_syscall_64+0xc6/0x1e0 [17937.942746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17937.942746][ T7704] [17948.116836][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17948.117411][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17948.117411][ T7704] netdev_get_by_index+0x5e/0x80 [17948.117411][ T7704] fib6_nh_init+0x3d8/0x15b0 [17948.117411][ T7704] ip6_route_info_create+0xf18/0x17d0 [17948.117411][ T7704] ip6_route_add+0x1c/0x140 [17948.117411][ T7704] addrconf_prefix_route+0x2a6/0x430 [17948.117411][ T7704] inet6_addr_add+0x4f8/0xa40 [17948.117411][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17948.117411][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17948.117411][ T7704] netlink_rcv_skb+0x130/0x360 [17948.117411][ T7704] netlink_unicast+0x449/0x710 [17948.117411][ T7704] netlink_sendmsg+0x723/0xbe0 [17948.117411][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17948.117411][ T7704] ___sys_sendmsg+0xee/0x170 [17948.117411][ T7704] __sys_sendmsg+0xcd/0x170 [17948.117411][ T7704] do_syscall_64+0xc6/0x1e0 [17948.117411][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17948.117411][ T7704] [17948.119873][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17948.119873][ T7704] netdev_get_by_index+0x5e/0x80 [17948.119873][ T7704] fib6_nh_init+0x3d8/0x15b0 [17948.119873][ T7704] ip6_route_info_create+0xf18/0x17d0 [17948.119873][ T7704] addrconf_f6i_alloc+0x315/0x560 [17948.119873][ T7704] ipv6_add_addr+0x411/0x2000 [17948.119873][ T7704] inet6_addr_add+0x30e/0xa40 [17948.119873][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17948.119873][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17948.119873][ T7704] netlink_rcv_skb+0x130/0x360 [17948.119873][ T7704] netlink_unicast+0x449/0x710 [17948.119873][ T7704] netlink_sendmsg+0x723/0xbe0 [17948.119873][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17948.119873][ T7704] ___sys_sendmsg+0xee/0x170 [17948.119873][ T7704] __sys_sendmsg+0xcd/0x170 [17948.119873][ T7704] do_syscall_64+0xc6/0x1e0 [17948.119873][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17948.119873][ T7704] [17948.122379][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17948.122379][ T7704] netdev_get_by_index+0x5e/0x80 [17948.122379][ T7704] fib6_nh_init+0x3d8/0x15b0 [17948.122379][ T7704] ip6_route_info_create+0xf18/0x17d0 [17948.122379][ T7704] ip6_route_add+0x1c/0x140 [17948.122379][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17948.122379][ T7704] addrconf_add_dev+0xe2/0x170 [17948.122379][ T7704] inet6_addr_add+0x12f/0xa40 [17948.122379][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17948.122379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17948.122379][ T7704] netlink_rcv_skb+0x130/0x360 [17948.122379][ T7704] netlink_unicast+0x449/0x710 [17948.122379][ T7704] netlink_sendmsg+0x723/0xbe0 [17948.122379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17948.122379][ T7704] ___sys_sendmsg+0xee/0x170 [17948.122379][ T7704] __sys_sendmsg+0xcd/0x170 [17948.122379][ T7704] do_syscall_64+0xc6/0x1e0 [17948.122379][ T7704] [17948.124829][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17948.124829][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17948.124829][ T7704] ipv6_find_idev+0x102/0x170 [17948.124829][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17948.124829][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17948.124829][ T7704] netlink_rcv_skb+0x130/0x360 [17948.124829][ T7704] netlink_unicast+0x449/0x710 [17948.124829][ T7704] netlink_sendmsg+0x723/0xbe0 [17948.124829][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17948.124829][ T7704] ___sys_sendmsg+0xee/0x170 [17948.124829][ T7704] __sys_sendmsg+0xcd/0x170 [17948.124829][ T7704] do_syscall_64+0xc6/0x1e0 [17948.124829][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17948.124829][ T7704] [17948.126752][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17948.126752][ T7704] neigh_parms_alloc+0x1e5/0x510 [17948.126752][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17948.126752][ T7704] ipv6_find_idev+0x102/0x170 [17948.126752][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17948.126752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17948.126752][ T7704] netlink_rcv_skb+0x130/0x360 [17948.126752][ T7704] netlink_unicast+0x449/0x710 [17948.126752][ T7704] netlink_sendmsg+0x723/0xbe0 [17948.126752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17948.126752][ T7704] ___sys_sendmsg+0xee/0x170 [17948.126752][ T7704] __sys_sendmsg+0xcd/0x170 [17948.126752][ T7704] do_syscall_64+0xc6/0x1e0 [17948.126752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17948.126752][ T7704] [17958.364835][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17958.365548][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17958.365548][ T7704] netdev_get_by_index+0x5e/0x80 [17958.365548][ T7704] fib6_nh_init+0x3d8/0x15b0 [17958.365548][ T7704] ip6_route_info_create+0xf18/0x17d0 [17958.365548][ T7704] ip6_route_add+0x1c/0x140 [17958.365548][ T7704] addrconf_prefix_route+0x2a6/0x430 [17958.365548][ T7704] inet6_addr_add+0x4f8/0xa40 [17958.365548][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17958.365548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17958.365548][ T7704] netlink_rcv_skb+0x130/0x360 [17958.365548][ T7704] netlink_unicast+0x449/0x710 [17958.365548][ T7704] netlink_sendmsg+0x723/0xbe0 [17958.365548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17958.365548][ T7704] ___sys_sendmsg+0xee/0x170 [17958.365548][ T7704] __sys_sendmsg+0xcd/0x170 [17958.365548][ T7704] do_syscall_64+0xc6/0x1e0 [17958.365548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17958.365548][ T7704] [17958.368151][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17958.368151][ T7704] netdev_get_by_index+0x5e/0x80 [17958.368151][ T7704] fib6_nh_init+0x3d8/0x15b0 [17958.368151][ T7704] ip6_route_info_create+0xf18/0x17d0 [17958.368151][ T7704] addrconf_f6i_alloc+0x315/0x560 [17958.368151][ T7704] ipv6_add_addr+0x411/0x2000 [17958.368151][ T7704] inet6_addr_add+0x30e/0xa40 [17958.368151][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17958.368151][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17958.368151][ T7704] netlink_rcv_skb+0x130/0x360 [17958.368151][ T7704] netlink_unicast+0x449/0x710 [17958.368151][ T7704] netlink_sendmsg+0x723/0xbe0 [17958.368151][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17958.368151][ T7704] ___sys_sendmsg+0xee/0x170 [17958.368151][ T7704] __sys_sendmsg+0xcd/0x170 [17958.368151][ T7704] do_syscall_64+0xc6/0x1e0 [17958.368151][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17958.368151][ T7704] [17958.370741][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17958.370741][ T7704] netdev_get_by_index+0x5e/0x80 [17958.370741][ T7704] fib6_nh_init+0x3d8/0x15b0 [17958.370741][ T7704] ip6_route_info_create+0xf18/0x17d0 [17958.370741][ T7704] ip6_route_add+0x1c/0x140 [17958.370741][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17958.370741][ T7704] addrconf_add_dev+0xe2/0x170 [17958.370741][ T7704] inet6_addr_add+0x12f/0xa40 [17958.370741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17958.370741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17958.370741][ T7704] netlink_rcv_skb+0x130/0x360 [17958.370741][ T7704] netlink_unicast+0x449/0x710 [17958.370741][ T7704] netlink_sendmsg+0x723/0xbe0 [17958.370741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17958.370741][ T7704] ___sys_sendmsg+0xee/0x170 [17958.370741][ T7704] __sys_sendmsg+0xcd/0x170 [17958.370741][ T7704] do_syscall_64+0xc6/0x1e0 [17958.370741][ T7704] [17958.373269][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17958.373269][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17958.373269][ T7704] ipv6_find_idev+0x102/0x170 [17958.373269][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17958.373269][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17958.373269][ T7704] netlink_rcv_skb+0x130/0x360 [17958.373269][ T7704] netlink_unicast+0x449/0x710 [17958.373269][ T7704] netlink_sendmsg+0x723/0xbe0 [17958.373269][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17958.373269][ T7704] ___sys_sendmsg+0xee/0x170 [17958.373269][ T7704] __sys_sendmsg+0xcd/0x170 [17958.373269][ T7704] do_syscall_64+0xc6/0x1e0 [17958.373269][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17958.373269][ T7704] [17958.375143][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17958.375143][ T7704] neigh_parms_alloc+0x1e5/0x510 [17958.375143][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17958.375143][ T7704] ipv6_find_idev+0x102/0x170 [17958.375143][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17958.375143][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17958.375143][ T7704] netlink_rcv_skb+0x130/0x360 [17958.375143][ T7704] netlink_unicast+0x449/0x710 [17958.375143][ T7704] netlink_sendmsg+0x723/0xbe0 [17958.375143][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17958.375143][ T7704] ___sys_sendmsg+0xee/0x170 [17958.375143][ T7704] __sys_sendmsg+0xcd/0x170 [17958.375143][ T7704] do_syscall_64+0xc6/0x1e0 [17958.375143][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17958.375143][ T7704] [17968.612901][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17968.613625][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17968.613625][ T7704] netdev_get_by_index+0x5e/0x80 [17968.613625][ T7704] fib6_nh_init+0x3d8/0x15b0 [17968.613625][ T7704] ip6_route_info_create+0xf18/0x17d0 [17968.613625][ T7704] ip6_route_add+0x1c/0x140 [17968.613625][ T7704] addrconf_prefix_route+0x2a6/0x430 [17968.613625][ T7704] inet6_addr_add+0x4f8/0xa40 [17968.613625][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17968.613625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17968.613625][ T7704] netlink_rcv_skb+0x130/0x360 [17968.613625][ T7704] netlink_unicast+0x449/0x710 [17968.613625][ T7704] netlink_sendmsg+0x723/0xbe0 [17968.613625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17968.613625][ T7704] ___sys_sendmsg+0xee/0x170 [17968.613625][ T7704] __sys_sendmsg+0xcd/0x170 [17968.613625][ T7704] do_syscall_64+0xc6/0x1e0 [17968.613625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17968.613625][ T7704] [17968.616030][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17968.616030][ T7704] netdev_get_by_index+0x5e/0x80 [17968.616030][ T7704] fib6_nh_init+0x3d8/0x15b0 [17968.616030][ T7704] ip6_route_info_create+0xf18/0x17d0 [17968.616030][ T7704] addrconf_f6i_alloc+0x315/0x560 [17968.616030][ T7704] ipv6_add_addr+0x411/0x2000 [17968.616030][ T7704] inet6_addr_add+0x30e/0xa40 [17968.616030][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17968.616030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17968.616030][ T7704] netlink_rcv_skb+0x130/0x360 [17968.616030][ T7704] netlink_unicast+0x449/0x710 [17968.616030][ T7704] netlink_sendmsg+0x723/0xbe0 [17968.616030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17968.616030][ T7704] ___sys_sendmsg+0xee/0x170 [17968.616030][ T7704] __sys_sendmsg+0xcd/0x170 [17968.616030][ T7704] do_syscall_64+0xc6/0x1e0 [17968.616030][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17968.616030][ T7704] [17968.618543][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17968.618543][ T7704] netdev_get_by_index+0x5e/0x80 [17968.618543][ T7704] fib6_nh_init+0x3d8/0x15b0 [17968.618543][ T7704] ip6_route_info_create+0xf18/0x17d0 [17968.618543][ T7704] ip6_route_add+0x1c/0x140 [17968.618543][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17968.618543][ T7704] addrconf_add_dev+0xe2/0x170 [17968.618543][ T7704] inet6_addr_add+0x12f/0xa40 [17968.618543][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17968.618543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17968.618543][ T7704] netlink_rcv_skb+0x130/0x360 [17968.618543][ T7704] netlink_unicast+0x449/0x710 [17968.618543][ T7704] netlink_sendmsg+0x723/0xbe0 [17968.618543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17968.618543][ T7704] ___sys_sendmsg+0xee/0x170 [17968.618543][ T7704] __sys_sendmsg+0xcd/0x170 [17968.618543][ T7704] do_syscall_64+0xc6/0x1e0 [17968.618543][ T7704] [17968.620887][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17968.620887][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17968.620887][ T7704] ipv6_find_idev+0x102/0x170 [17968.620887][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17968.620887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17968.620887][ T7704] netlink_rcv_skb+0x130/0x360 [17968.620887][ T7704] netlink_unicast+0x449/0x710 [17968.620887][ T7704] netlink_sendmsg+0x723/0xbe0 [17968.620887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17968.620887][ T7704] ___sys_sendmsg+0xee/0x170 [17968.620887][ T7704] __sys_sendmsg+0xcd/0x170 [17968.620887][ T7704] do_syscall_64+0xc6/0x1e0 [17968.620887][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17968.620887][ T7704] [17968.622801][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17968.622801][ T7704] neigh_parms_alloc+0x1e5/0x510 [17968.622801][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17968.622801][ T7704] ipv6_find_idev+0x102/0x170 [17968.622801][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17968.622801][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17968.622801][ T7704] netlink_rcv_skb+0x130/0x360 [17968.622801][ T7704] netlink_unicast+0x449/0x710 [17968.622801][ T7704] netlink_sendmsg+0x723/0xbe0 [17968.622801][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17968.622801][ T7704] ___sys_sendmsg+0xee/0x170 [17968.622801][ T7704] __sys_sendmsg+0xcd/0x170 [17968.622801][ T7704] do_syscall_64+0xc6/0x1e0 [17968.622801][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17968.622801][ T7704] [17978.652923][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17978.653554][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17978.653554][ T7704] netdev_get_by_index+0x5e/0x80 [17978.653554][ T7704] fib6_nh_init+0x3d8/0x15b0 [17978.653554][ T7704] ip6_route_info_create+0xf18/0x17d0 [17978.653554][ T7704] ip6_route_add+0x1c/0x140 [17978.653554][ T7704] addrconf_prefix_route+0x2a6/0x430 [17978.653554][ T7704] inet6_addr_add+0x4f8/0xa40 [17978.653554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17978.653554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17978.653554][ T7704] netlink_rcv_skb+0x130/0x360 [17978.653554][ T7704] netlink_unicast+0x449/0x710 [17978.653554][ T7704] netlink_sendmsg+0x723/0xbe0 [17978.653554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17978.653554][ T7704] ___sys_sendmsg+0xee/0x170 [17978.653554][ T7704] __sys_sendmsg+0xcd/0x170 [17978.653554][ T7704] do_syscall_64+0xc6/0x1e0 [17978.653554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17978.653554][ T7704] [17978.656043][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17978.656043][ T7704] netdev_get_by_index+0x5e/0x80 [17978.656043][ T7704] fib6_nh_init+0x3d8/0x15b0 [17978.656043][ T7704] ip6_route_info_create+0xf18/0x17d0 [17978.656043][ T7704] addrconf_f6i_alloc+0x315/0x560 [17978.656043][ T7704] ipv6_add_addr+0x411/0x2000 [17978.656043][ T7704] inet6_addr_add+0x30e/0xa40 [17978.656043][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17978.656043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17978.656043][ T7704] netlink_rcv_skb+0x130/0x360 [17978.656043][ T7704] netlink_unicast+0x449/0x710 [17978.656043][ T7704] netlink_sendmsg+0x723/0xbe0 [17978.656043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17978.656043][ T7704] ___sys_sendmsg+0xee/0x170 [17978.656043][ T7704] __sys_sendmsg+0xcd/0x170 [17978.656043][ T7704] do_syscall_64+0xc6/0x1e0 [17978.656043][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17978.656043][ T7704] [17978.658453][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17978.658453][ T7704] netdev_get_by_index+0x5e/0x80 [17978.658453][ T7704] fib6_nh_init+0x3d8/0x15b0 [17978.658453][ T7704] ip6_route_info_create+0xf18/0x17d0 [17978.658453][ T7704] ip6_route_add+0x1c/0x140 [17978.658453][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17978.658453][ T7704] addrconf_add_dev+0xe2/0x170 [17978.658453][ T7704] inet6_addr_add+0x12f/0xa40 [17978.658453][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17978.658453][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17978.658453][ T7704] netlink_rcv_skb+0x130/0x360 [17978.658453][ T7704] netlink_unicast+0x449/0x710 [17978.658453][ T7704] netlink_sendmsg+0x723/0xbe0 [17978.658453][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17978.658453][ T7704] ___sys_sendmsg+0xee/0x170 [17978.658453][ T7704] __sys_sendmsg+0xcd/0x170 [17978.658453][ T7704] do_syscall_64+0xc6/0x1e0 [17978.658453][ T7704] [17978.660810][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17978.660810][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17978.660810][ T7704] ipv6_find_idev+0x102/0x170 [17978.660810][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17978.660810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17978.660810][ T7704] netlink_rcv_skb+0x130/0x360 [17978.660810][ T7704] netlink_unicast+0x449/0x710 [17978.660810][ T7704] netlink_sendmsg+0x723/0xbe0 [17978.660810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17978.660810][ T7704] ___sys_sendmsg+0xee/0x170 [17978.660810][ T7704] __sys_sendmsg+0xcd/0x170 [17978.660810][ T7704] do_syscall_64+0xc6/0x1e0 [17978.660810][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17978.660810][ T7704] [17978.662650][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17978.662650][ T7704] neigh_parms_alloc+0x1e5/0x510 [17978.662650][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17978.662650][ T7704] ipv6_find_idev+0x102/0x170 [17978.662650][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17978.662650][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17978.662650][ T7704] netlink_rcv_skb+0x130/0x360 [17978.662650][ T7704] netlink_unicast+0x449/0x710 [17978.662650][ T7704] netlink_sendmsg+0x723/0xbe0 [17978.662650][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17978.662650][ T7704] ___sys_sendmsg+0xee/0x170 [17978.662650][ T7704] __sys_sendmsg+0xcd/0x170 [17978.662650][ T7704] do_syscall_64+0xc6/0x1e0 [17978.662650][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17978.662650][ T7704] [17988.916897][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17988.917512][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17988.917512][ T7704] netdev_get_by_index+0x5e/0x80 [17988.917512][ T7704] fib6_nh_init+0x3d8/0x15b0 [17988.917512][ T7704] ip6_route_info_create+0xf18/0x17d0 [17988.917512][ T7704] ip6_route_add+0x1c/0x140 [17988.917512][ T7704] addrconf_prefix_route+0x2a6/0x430 [17988.917512][ T7704] inet6_addr_add+0x4f8/0xa40 [17988.917512][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17988.917512][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17988.917512][ T7704] netlink_rcv_skb+0x130/0x360 [17988.917512][ T7704] netlink_unicast+0x449/0x710 [17988.917512][ T7704] netlink_sendmsg+0x723/0xbe0 [17988.917512][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17988.917512][ T7704] ___sys_sendmsg+0xee/0x170 [17988.917512][ T7704] __sys_sendmsg+0xcd/0x170 [17988.917512][ T7704] do_syscall_64+0xc6/0x1e0 [17988.917512][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17988.917512][ T7704] [17988.920033][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17988.920033][ T7704] netdev_get_by_index+0x5e/0x80 [17988.920033][ T7704] fib6_nh_init+0x3d8/0x15b0 [17988.920033][ T7704] ip6_route_info_create+0xf18/0x17d0 [17988.920033][ T7704] addrconf_f6i_alloc+0x315/0x560 [17988.920033][ T7704] ipv6_add_addr+0x411/0x2000 [17988.920033][ T7704] inet6_addr_add+0x30e/0xa40 [17988.920033][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17988.920033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17988.920033][ T7704] netlink_rcv_skb+0x130/0x360 [17988.920033][ T7704] netlink_unicast+0x449/0x710 [17988.920033][ T7704] netlink_sendmsg+0x723/0xbe0 [17988.920033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17988.920033][ T7704] ___sys_sendmsg+0xee/0x170 [17988.920033][ T7704] __sys_sendmsg+0xcd/0x170 [17988.920033][ T7704] do_syscall_64+0xc6/0x1e0 [17988.920033][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17988.920033][ T7704] [17988.922504][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17988.922504][ T7704] netdev_get_by_index+0x5e/0x80 [17988.922504][ T7704] fib6_nh_init+0x3d8/0x15b0 [17988.922504][ T7704] ip6_route_info_create+0xf18/0x17d0 [17988.922504][ T7704] ip6_route_add+0x1c/0x140 [17988.922504][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17988.922504][ T7704] addrconf_add_dev+0xe2/0x170 [17988.922504][ T7704] inet6_addr_add+0x12f/0xa40 [17988.922504][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17988.922504][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17988.922504][ T7704] netlink_rcv_skb+0x130/0x360 [17988.922504][ T7704] netlink_unicast+0x449/0x710 [17988.922504][ T7704] netlink_sendmsg+0x723/0xbe0 [17988.922504][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17988.922504][ T7704] ___sys_sendmsg+0xee/0x170 [17988.922504][ T7704] __sys_sendmsg+0xcd/0x170 [17988.922504][ T7704] do_syscall_64+0xc6/0x1e0 [17988.922504][ T7704] [17988.925483][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17988.925483][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17988.925483][ T7704] ipv6_find_idev+0x102/0x170 [17988.925483][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17988.925483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17988.925483][ T7704] netlink_rcv_skb+0x130/0x360 [17988.925483][ T7704] netlink_unicast+0x449/0x710 [17988.925483][ T7704] netlink_sendmsg+0x723/0xbe0 [17988.925483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17988.925483][ T7704] ___sys_sendmsg+0xee/0x170 [17988.925483][ T7704] __sys_sendmsg+0xcd/0x170 [17988.925483][ T7704] do_syscall_64+0xc6/0x1e0 [17988.925483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17988.925483][ T7704] [17988.927411][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17988.927411][ T7704] neigh_parms_alloc+0x1e5/0x510 [17988.927411][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17988.927411][ T7704] ipv6_find_idev+0x102/0x170 [17988.927411][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17988.927411][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17988.927411][ T7704] netlink_rcv_skb+0x130/0x360 [17988.927411][ T7704] netlink_unicast+0x449/0x710 [17988.927411][ T7704] netlink_sendmsg+0x723/0xbe0 [17988.927411][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17988.927411][ T7704] ___sys_sendmsg+0xee/0x170 [17988.927411][ T7704] __sys_sendmsg+0xcd/0x170 [17988.927411][ T7704] do_syscall_64+0xc6/0x1e0 [17988.927411][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17988.927411][ T7704] [17999.180943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [17999.181549][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17999.181549][ T7704] netdev_get_by_index+0x5e/0x80 [17999.181549][ T7704] fib6_nh_init+0x3d8/0x15b0 [17999.181549][ T7704] ip6_route_info_create+0xf18/0x17d0 [17999.181549][ T7704] ip6_route_add+0x1c/0x140 [17999.181549][ T7704] addrconf_prefix_route+0x2a6/0x430 [17999.181549][ T7704] inet6_addr_add+0x4f8/0xa40 [17999.181549][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17999.181549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17999.181549][ T7704] netlink_rcv_skb+0x130/0x360 [17999.181549][ T7704] netlink_unicast+0x449/0x710 [17999.181549][ T7704] netlink_sendmsg+0x723/0xbe0 [17999.181549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17999.181549][ T7704] ___sys_sendmsg+0xee/0x170 [17999.181549][ T7704] __sys_sendmsg+0xcd/0x170 [17999.181549][ T7704] do_syscall_64+0xc6/0x1e0 [17999.181549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17999.181549][ T7704] [17999.183953][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17999.183953][ T7704] netdev_get_by_index+0x5e/0x80 [17999.183953][ T7704] fib6_nh_init+0x3d8/0x15b0 [17999.183953][ T7704] ip6_route_info_create+0xf18/0x17d0 [17999.183953][ T7704] addrconf_f6i_alloc+0x315/0x560 [17999.183953][ T7704] ipv6_add_addr+0x411/0x2000 [17999.183953][ T7704] inet6_addr_add+0x30e/0xa40 [17999.183953][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17999.183953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17999.183953][ T7704] netlink_rcv_skb+0x130/0x360 [17999.183953][ T7704] netlink_unicast+0x449/0x710 [17999.183953][ T7704] netlink_sendmsg+0x723/0xbe0 [17999.183953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17999.183953][ T7704] ___sys_sendmsg+0xee/0x170 [17999.183953][ T7704] __sys_sendmsg+0xcd/0x170 [17999.183953][ T7704] do_syscall_64+0xc6/0x1e0 [17999.183953][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17999.183953][ T7704] [17999.186458][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17999.186458][ T7704] netdev_get_by_index+0x5e/0x80 [17999.186458][ T7704] fib6_nh_init+0x3d8/0x15b0 [17999.186458][ T7704] ip6_route_info_create+0xf18/0x17d0 [17999.186458][ T7704] ip6_route_add+0x1c/0x140 [17999.186458][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [17999.186458][ T7704] addrconf_add_dev+0xe2/0x170 [17999.186458][ T7704] inet6_addr_add+0x12f/0xa40 [17999.186458][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [17999.186458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17999.186458][ T7704] netlink_rcv_skb+0x130/0x360 [17999.186458][ T7704] netlink_unicast+0x449/0x710 [17999.186458][ T7704] netlink_sendmsg+0x723/0xbe0 [17999.186458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17999.186458][ T7704] ___sys_sendmsg+0xee/0x170 [17999.186458][ T7704] __sys_sendmsg+0xcd/0x170 [17999.186458][ T7704] do_syscall_64+0xc6/0x1e0 [17999.186458][ T7704] [17999.189021][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17999.189021][ T7704] ipv6_add_dev+0x3b9/0x11c0 [17999.189021][ T7704] ipv6_find_idev+0x102/0x170 [17999.189021][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17999.189021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17999.189021][ T7704] netlink_rcv_skb+0x130/0x360 [17999.189021][ T7704] netlink_unicast+0x449/0x710 [17999.189021][ T7704] netlink_sendmsg+0x723/0xbe0 [17999.189021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17999.189021][ T7704] ___sys_sendmsg+0xee/0x170 [17999.189021][ T7704] __sys_sendmsg+0xcd/0x170 [17999.189021][ T7704] do_syscall_64+0xc6/0x1e0 [17999.189021][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17999.189021][ T7704] [17999.191057][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [17999.191057][ T7704] neigh_parms_alloc+0x1e5/0x510 [17999.191057][ T7704] ipv6_add_dev+0x2fd/0x11c0 [17999.191057][ T7704] ipv6_find_idev+0x102/0x170 [17999.191057][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [17999.191057][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [17999.191057][ T7704] netlink_rcv_skb+0x130/0x360 [17999.191057][ T7704] netlink_unicast+0x449/0x710 [17999.191057][ T7704] netlink_sendmsg+0x723/0xbe0 [17999.191057][ T7704] ____sys_sendmsg+0x7b2/0xa10 [17999.191057][ T7704] ___sys_sendmsg+0xee/0x170 [17999.191057][ T7704] __sys_sendmsg+0xcd/0x170 [17999.191057][ T7704] do_syscall_64+0xc6/0x1e0 [17999.191057][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [17999.191057][ T7704] [18009.244838][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18009.245475][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18009.245475][ T7704] netdev_get_by_index+0x5e/0x80 [18009.245475][ T7704] fib6_nh_init+0x3d8/0x15b0 [18009.245475][ T7704] ip6_route_info_create+0xf18/0x17d0 [18009.245475][ T7704] ip6_route_add+0x1c/0x140 [18009.245475][ T7704] addrconf_prefix_route+0x2a6/0x430 [18009.245475][ T7704] inet6_addr_add+0x4f8/0xa40 [18009.245475][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18009.245475][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18009.245475][ T7704] netlink_rcv_skb+0x130/0x360 [18009.245475][ T7704] netlink_unicast+0x449/0x710 [18009.245475][ T7704] netlink_sendmsg+0x723/0xbe0 [18009.245475][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18009.245475][ T7704] ___sys_sendmsg+0xee/0x170 [18009.245475][ T7704] __sys_sendmsg+0xcd/0x170 [18009.245475][ T7704] do_syscall_64+0xc6/0x1e0 [18009.245475][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18009.245475][ T7704] [18009.248073][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18009.248073][ T7704] netdev_get_by_index+0x5e/0x80 [18009.248073][ T7704] fib6_nh_init+0x3d8/0x15b0 [18009.248073][ T7704] ip6_route_info_create+0xf18/0x17d0 [18009.248073][ T7704] addrconf_f6i_alloc+0x315/0x560 [18009.248073][ T7704] ipv6_add_addr+0x411/0x2000 [18009.248073][ T7704] inet6_addr_add+0x30e/0xa40 [18009.248073][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18009.248073][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18009.248073][ T7704] netlink_rcv_skb+0x130/0x360 [18009.248073][ T7704] netlink_unicast+0x449/0x710 [18009.248073][ T7704] netlink_sendmsg+0x723/0xbe0 [18009.248073][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18009.248073][ T7704] ___sys_sendmsg+0xee/0x170 [18009.248073][ T7704] __sys_sendmsg+0xcd/0x170 [18009.248073][ T7704] do_syscall_64+0xc6/0x1e0 [18009.248073][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18009.248073][ T7704] [18009.250637][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18009.250637][ T7704] netdev_get_by_index+0x5e/0x80 [18009.250637][ T7704] fib6_nh_init+0x3d8/0x15b0 [18009.250637][ T7704] ip6_route_info_create+0xf18/0x17d0 [18009.250637][ T7704] ip6_route_add+0x1c/0x140 [18009.250637][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18009.250637][ T7704] addrconf_add_dev+0xe2/0x170 [18009.250637][ T7704] inet6_addr_add+0x12f/0xa40 [18009.250637][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18009.250637][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18009.250637][ T7704] netlink_rcv_skb+0x130/0x360 [18009.250637][ T7704] netlink_unicast+0x449/0x710 [18009.250637][ T7704] netlink_sendmsg+0x723/0xbe0 [18009.250637][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18009.250637][ T7704] ___sys_sendmsg+0xee/0x170 [18009.250637][ T7704] __sys_sendmsg+0xcd/0x170 [18009.250637][ T7704] do_syscall_64+0xc6/0x1e0 [18009.250637][ T7704] [18009.253075][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18009.253075][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18009.253075][ T7704] ipv6_find_idev+0x102/0x170 [18009.253075][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18009.253075][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18009.253075][ T7704] netlink_rcv_skb+0x130/0x360 [18009.253075][ T7704] netlink_unicast+0x449/0x710 [18009.253075][ T7704] netlink_sendmsg+0x723/0xbe0 [18009.253075][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18009.253075][ T7704] ___sys_sendmsg+0xee/0x170 [18009.253075][ T7704] __sys_sendmsg+0xcd/0x170 [18009.253075][ T7704] do_syscall_64+0xc6/0x1e0 [18009.253075][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18009.253075][ T7704] [18009.254981][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18009.254981][ T7704] neigh_parms_alloc+0x1e5/0x510 [18009.254981][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18009.254981][ T7704] ipv6_find_idev+0x102/0x170 [18009.254981][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18009.254981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18009.254981][ T7704] netlink_rcv_skb+0x130/0x360 [18009.254981][ T7704] netlink_unicast+0x449/0x710 [18009.254981][ T7704] netlink_sendmsg+0x723/0xbe0 [18009.254981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18009.254981][ T7704] ___sys_sendmsg+0xee/0x170 [18009.254981][ T7704] __sys_sendmsg+0xcd/0x170 [18009.254981][ T7704] do_syscall_64+0xc6/0x1e0 [18009.254981][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18009.254981][ T7704] [18019.428885][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18019.429729][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18019.429729][ T7704] netdev_get_by_index+0x5e/0x80 [18019.429729][ T7704] fib6_nh_init+0x3d8/0x15b0 [18019.429729][ T7704] ip6_route_info_create+0xf18/0x17d0 [18019.429729][ T7704] ip6_route_add+0x1c/0x140 [18019.429729][ T7704] addrconf_prefix_route+0x2a6/0x430 [18019.429729][ T7704] inet6_addr_add+0x4f8/0xa40 [18019.429729][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18019.429729][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18019.429729][ T7704] netlink_rcv_skb+0x130/0x360 [18019.429729][ T7704] netlink_unicast+0x449/0x710 [18019.429729][ T7704] netlink_sendmsg+0x723/0xbe0 [18019.429729][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18019.429729][ T7704] ___sys_sendmsg+0xee/0x170 [18019.429729][ T7704] __sys_sendmsg+0xcd/0x170 [18019.429729][ T7704] do_syscall_64+0xc6/0x1e0 [18019.429729][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18019.429729][ T7704] [18019.432095][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18019.432095][ T7704] netdev_get_by_index+0x5e/0x80 [18019.432095][ T7704] fib6_nh_init+0x3d8/0x15b0 [18019.432095][ T7704] ip6_route_info_create+0xf18/0x17d0 [18019.432095][ T7704] addrconf_f6i_alloc+0x315/0x560 [18019.432095][ T7704] ipv6_add_addr+0x411/0x2000 [18019.432095][ T7704] inet6_addr_add+0x30e/0xa40 [18019.432095][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18019.432095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18019.432095][ T7704] netlink_rcv_skb+0x130/0x360 [18019.432095][ T7704] netlink_unicast+0x449/0x710 [18019.432095][ T7704] netlink_sendmsg+0x723/0xbe0 [18019.432095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18019.432095][ T7704] ___sys_sendmsg+0xee/0x170 [18019.432095][ T7704] __sys_sendmsg+0xcd/0x170 [18019.432095][ T7704] do_syscall_64+0xc6/0x1e0 [18019.432095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18019.432095][ T7704] [18019.434529][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18019.434529][ T7704] netdev_get_by_index+0x5e/0x80 [18019.434529][ T7704] fib6_nh_init+0x3d8/0x15b0 [18019.434529][ T7704] ip6_route_info_create+0xf18/0x17d0 [18019.434529][ T7704] ip6_route_add+0x1c/0x140 [18019.434529][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18019.434529][ T7704] addrconf_add_dev+0xe2/0x170 [18019.434529][ T7704] inet6_addr_add+0x12f/0xa40 [18019.434529][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18019.434529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18019.434529][ T7704] netlink_rcv_skb+0x130/0x360 [18019.434529][ T7704] netlink_unicast+0x449/0x710 [18019.434529][ T7704] netlink_sendmsg+0x723/0xbe0 [18019.434529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18019.434529][ T7704] ___sys_sendmsg+0xee/0x170 [18019.434529][ T7704] __sys_sendmsg+0xcd/0x170 [18019.434529][ T7704] do_syscall_64+0xc6/0x1e0 [18019.434529][ T7704] [18019.436952][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18019.436952][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18019.436952][ T7704] ipv6_find_idev+0x102/0x170 [18019.436952][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18019.436952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18019.436952][ T7704] netlink_rcv_skb+0x130/0x360 [18019.436952][ T7704] netlink_unicast+0x449/0x710 [18019.436952][ T7704] netlink_sendmsg+0x723/0xbe0 [18019.436952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18019.436952][ T7704] ___sys_sendmsg+0xee/0x170 [18019.436952][ T7704] __sys_sendmsg+0xcd/0x170 [18019.436952][ T7704] do_syscall_64+0xc6/0x1e0 [18019.436952][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18019.436952][ T7704] [18019.438913][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18019.438913][ T7704] neigh_parms_alloc+0x1e5/0x510 [18019.438913][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18019.438913][ T7704] ipv6_find_idev+0x102/0x170 [18019.438913][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18019.438913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18019.438913][ T7704] netlink_rcv_skb+0x130/0x360 [18019.438913][ T7704] netlink_unicast+0x449/0x710 [18019.438913][ T7704] netlink_sendmsg+0x723/0xbe0 [18019.438913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18019.438913][ T7704] ___sys_sendmsg+0xee/0x170 [18019.438913][ T7704] __sys_sendmsg+0xcd/0x170 [18019.438913][ T7704] do_syscall_64+0xc6/0x1e0 [18019.438913][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18019.438913][ T7704] [18029.676917][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18029.677599][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18029.677599][ T7704] netdev_get_by_index+0x5e/0x80 [18029.677599][ T7704] fib6_nh_init+0x3d8/0x15b0 [18029.677599][ T7704] ip6_route_info_create+0xf18/0x17d0 [18029.677599][ T7704] ip6_route_add+0x1c/0x140 [18029.677599][ T7704] addrconf_prefix_route+0x2a6/0x430 [18029.677599][ T7704] inet6_addr_add+0x4f8/0xa40 [18029.677599][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18029.677599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18029.677599][ T7704] netlink_rcv_skb+0x130/0x360 [18029.677599][ T7704] netlink_unicast+0x449/0x710 [18029.677599][ T7704] netlink_sendmsg+0x723/0xbe0 [18029.677599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18029.677599][ T7704] ___sys_sendmsg+0xee/0x170 [18029.677599][ T7704] __sys_sendmsg+0xcd/0x170 [18029.677599][ T7704] do_syscall_64+0xc6/0x1e0 [18029.677599][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18029.677599][ T7704] [18029.679953][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18029.679953][ T7704] netdev_get_by_index+0x5e/0x80 [18029.679953][ T7704] fib6_nh_init+0x3d8/0x15b0 [18029.679953][ T7704] ip6_route_info_create+0xf18/0x17d0 [18029.679953][ T7704] addrconf_f6i_alloc+0x315/0x560 [18029.679953][ T7704] ipv6_add_addr+0x411/0x2000 [18029.679953][ T7704] inet6_addr_add+0x30e/0xa40 [18029.679953][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18029.679953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18029.679953][ T7704] netlink_rcv_skb+0x130/0x360 [18029.679953][ T7704] netlink_unicast+0x449/0x710 [18029.679953][ T7704] netlink_sendmsg+0x723/0xbe0 [18029.679953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18029.679953][ T7704] ___sys_sendmsg+0xee/0x170 [18029.679953][ T7704] __sys_sendmsg+0xcd/0x170 [18029.679953][ T7704] do_syscall_64+0xc6/0x1e0 [18029.679953][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18029.679953][ T7704] [18029.682217][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18029.682217][ T7704] netdev_get_by_index+0x5e/0x80 [18029.682217][ T7704] fib6_nh_init+0x3d8/0x15b0 [18029.682217][ T7704] ip6_route_info_create+0xf18/0x17d0 [18029.682217][ T7704] ip6_route_add+0x1c/0x140 [18029.682217][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18029.682217][ T7704] addrconf_add_dev+0xe2/0x170 [18029.682217][ T7704] inet6_addr_add+0x12f/0xa40 [18029.682217][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18029.682217][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18029.682217][ T7704] netlink_rcv_skb+0x130/0x360 [18029.682217][ T7704] netlink_unicast+0x449/0x710 [18029.682217][ T7704] netlink_sendmsg+0x723/0xbe0 [18029.682217][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18029.682217][ T7704] ___sys_sendmsg+0xee/0x170 [18029.682217][ T7704] __sys_sendmsg+0xcd/0x170 [18029.682217][ T7704] do_syscall_64+0xc6/0x1e0 [18029.682217][ T7704] [18029.684461][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18029.684461][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18029.684461][ T7704] ipv6_find_idev+0x102/0x170 [18029.684461][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18029.684461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18029.684461][ T7704] netlink_rcv_skb+0x130/0x360 [18029.684461][ T7704] netlink_unicast+0x449/0x710 [18029.684461][ T7704] netlink_sendmsg+0x723/0xbe0 [18029.684461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18029.684461][ T7704] ___sys_sendmsg+0xee/0x170 [18029.684461][ T7704] __sys_sendmsg+0xcd/0x170 [18029.684461][ T7704] do_syscall_64+0xc6/0x1e0 [18029.684461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18029.684461][ T7704] [18029.686197][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18029.686197][ T7704] neigh_parms_alloc+0x1e5/0x510 [18029.686197][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18029.686197][ T7704] ipv6_find_idev+0x102/0x170 [18029.686197][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18029.686197][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18029.686197][ T7704] netlink_rcv_skb+0x130/0x360 [18029.686197][ T7704] netlink_unicast+0x449/0x710 [18029.686197][ T7704] netlink_sendmsg+0x723/0xbe0 [18029.686197][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18029.686197][ T7704] ___sys_sendmsg+0xee/0x170 [18029.686197][ T7704] __sys_sendmsg+0xcd/0x170 [18029.686197][ T7704] do_syscall_64+0xc6/0x1e0 [18029.686197][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18029.686197][ T7704] [18039.924820][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18039.925414][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18039.925414][ T7704] netdev_get_by_index+0x5e/0x80 [18039.925414][ T7704] fib6_nh_init+0x3d8/0x15b0 [18039.925414][ T7704] ip6_route_info_create+0xf18/0x17d0 [18039.925414][ T7704] ip6_route_add+0x1c/0x140 [18039.925414][ T7704] addrconf_prefix_route+0x2a6/0x430 [18039.925414][ T7704] inet6_addr_add+0x4f8/0xa40 [18039.925414][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18039.925414][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18039.925414][ T7704] netlink_rcv_skb+0x130/0x360 [18039.925414][ T7704] netlink_unicast+0x449/0x710 [18039.925414][ T7704] netlink_sendmsg+0x723/0xbe0 [18039.925414][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18039.925414][ T7704] ___sys_sendmsg+0xee/0x170 [18039.925414][ T7704] __sys_sendmsg+0xcd/0x170 [18039.925414][ T7704] do_syscall_64+0xc6/0x1e0 [18039.925414][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18039.925414][ T7704] [18039.927812][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18039.927812][ T7704] netdev_get_by_index+0x5e/0x80 [18039.927812][ T7704] fib6_nh_init+0x3d8/0x15b0 [18039.927812][ T7704] ip6_route_info_create+0xf18/0x17d0 [18039.927812][ T7704] addrconf_f6i_alloc+0x315/0x560 [18039.927812][ T7704] ipv6_add_addr+0x411/0x2000 [18039.927812][ T7704] inet6_addr_add+0x30e/0xa40 [18039.927812][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18039.927812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18039.927812][ T7704] netlink_rcv_skb+0x130/0x360 [18039.927812][ T7704] netlink_unicast+0x449/0x710 [18039.927812][ T7704] netlink_sendmsg+0x723/0xbe0 [18039.927812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18039.927812][ T7704] ___sys_sendmsg+0xee/0x170 [18039.927812][ T7704] __sys_sendmsg+0xcd/0x170 [18039.927812][ T7704] do_syscall_64+0xc6/0x1e0 [18039.927812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18039.927812][ T7704] [18039.930157][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18039.930157][ T7704] netdev_get_by_index+0x5e/0x80 [18039.930157][ T7704] fib6_nh_init+0x3d8/0x15b0 [18039.930157][ T7704] ip6_route_info_create+0xf18/0x17d0 [18039.930157][ T7704] ip6_route_add+0x1c/0x140 [18039.930157][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18039.930157][ T7704] addrconf_add_dev+0xe2/0x170 [18039.930157][ T7704] inet6_addr_add+0x12f/0xa40 [18039.930157][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18039.930157][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18039.930157][ T7704] netlink_rcv_skb+0x130/0x360 [18039.930157][ T7704] netlink_unicast+0x449/0x710 [18039.930157][ T7704] netlink_sendmsg+0x723/0xbe0 [18039.930157][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18039.930157][ T7704] ___sys_sendmsg+0xee/0x170 [18039.930157][ T7704] __sys_sendmsg+0xcd/0x170 [18039.930157][ T7704] do_syscall_64+0xc6/0x1e0 [18039.930157][ T7704] [18039.932377][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18039.932377][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18039.932377][ T7704] ipv6_find_idev+0x102/0x170 [18039.932377][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18039.932377][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18039.932377][ T7704] netlink_rcv_skb+0x130/0x360 [18039.932377][ T7704] netlink_unicast+0x449/0x710 [18039.932377][ T7704] netlink_sendmsg+0x723/0xbe0 [18039.932377][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18039.932377][ T7704] ___sys_sendmsg+0xee/0x170 [18039.932377][ T7704] __sys_sendmsg+0xcd/0x170 [18039.932377][ T7704] do_syscall_64+0xc6/0x1e0 [18039.932377][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18039.932377][ T7704] [18039.934107][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18039.934107][ T7704] neigh_parms_alloc+0x1e5/0x510 [18039.934107][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18039.934107][ T7704] ipv6_find_idev+0x102/0x170 [18039.934107][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18039.934107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18039.934107][ T7704] netlink_rcv_skb+0x130/0x360 [18039.934107][ T7704] netlink_unicast+0x449/0x710 [18039.934107][ T7704] netlink_sendmsg+0x723/0xbe0 [18039.934107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18039.934107][ T7704] ___sys_sendmsg+0xee/0x170 [18039.934107][ T7704] __sys_sendmsg+0xcd/0x170 [18039.934107][ T7704] do_syscall_64+0xc6/0x1e0 [18039.934107][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18039.934107][ T7704] [18050.172899][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18050.173716][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18050.173716][ T7704] netdev_get_by_index+0x5e/0x80 [18050.173716][ T7704] fib6_nh_init+0x3d8/0x15b0 [18050.173716][ T7704] ip6_route_info_create+0xf18/0x17d0 [18050.173716][ T7704] ip6_route_add+0x1c/0x140 [18050.173716][ T7704] addrconf_prefix_route+0x2a6/0x430 [18050.173716][ T7704] inet6_addr_add+0x4f8/0xa40 [18050.173716][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18050.173716][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18050.173716][ T7704] netlink_rcv_skb+0x130/0x360 [18050.173716][ T7704] netlink_unicast+0x449/0x710 [18050.173716][ T7704] netlink_sendmsg+0x723/0xbe0 [18050.173716][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18050.173716][ T7704] ___sys_sendmsg+0xee/0x170 [18050.173716][ T7704] __sys_sendmsg+0xcd/0x170 [18050.173716][ T7704] do_syscall_64+0xc6/0x1e0 [18050.173716][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18050.173716][ T7704] [18050.176045][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18050.176045][ T7704] netdev_get_by_index+0x5e/0x80 [18050.176045][ T7704] fib6_nh_init+0x3d8/0x15b0 [18050.176045][ T7704] ip6_route_info_create+0xf18/0x17d0 [18050.176045][ T7704] addrconf_f6i_alloc+0x315/0x560 [18050.176045][ T7704] ipv6_add_addr+0x411/0x2000 [18050.176045][ T7704] inet6_addr_add+0x30e/0xa40 [18050.176045][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18050.176045][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18050.176045][ T7704] netlink_rcv_skb+0x130/0x360 [18050.176045][ T7704] netlink_unicast+0x449/0x710 [18050.176045][ T7704] netlink_sendmsg+0x723/0xbe0 [18050.176045][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18050.176045][ T7704] ___sys_sendmsg+0xee/0x170 [18050.176045][ T7704] __sys_sendmsg+0xcd/0x170 [18050.176045][ T7704] do_syscall_64+0xc6/0x1e0 [18050.176045][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18050.176045][ T7704] [18050.178331][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18050.178331][ T7704] netdev_get_by_index+0x5e/0x80 [18050.178331][ T7704] fib6_nh_init+0x3d8/0x15b0 [18050.178331][ T7704] ip6_route_info_create+0xf18/0x17d0 [18050.178331][ T7704] ip6_route_add+0x1c/0x140 [18050.178331][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18050.178331][ T7704] addrconf_add_dev+0xe2/0x170 [18050.178331][ T7704] inet6_addr_add+0x12f/0xa40 [18050.178331][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18050.178331][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18050.178331][ T7704] netlink_rcv_skb+0x130/0x360 [18050.178331][ T7704] netlink_unicast+0x449/0x710 [18050.178331][ T7704] netlink_sendmsg+0x723/0xbe0 [18050.178331][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18050.178331][ T7704] ___sys_sendmsg+0xee/0x170 [18050.178331][ T7704] __sys_sendmsg+0xcd/0x170 [18050.178331][ T7704] do_syscall_64+0xc6/0x1e0 [18050.178331][ T7704] [18050.181250][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18050.181250][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18050.181250][ T7704] ipv6_find_idev+0x102/0x170 [18050.181250][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18050.181250][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18050.181250][ T7704] netlink_rcv_skb+0x130/0x360 [18050.181250][ T7704] netlink_unicast+0x449/0x710 [18050.181250][ T7704] netlink_sendmsg+0x723/0xbe0 [18050.181250][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18050.181250][ T7704] ___sys_sendmsg+0xee/0x170 [18050.181250][ T7704] __sys_sendmsg+0xcd/0x170 [18050.181250][ T7704] do_syscall_64+0xc6/0x1e0 [18050.181250][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18050.181250][ T7704] [18050.183012][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18050.183012][ T7704] neigh_parms_alloc+0x1e5/0x510 [18050.183012][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18050.183012][ T7704] ipv6_find_idev+0x102/0x170 [18050.183012][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18050.183012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18050.183012][ T7704] netlink_rcv_skb+0x130/0x360 [18050.183012][ T7704] netlink_unicast+0x449/0x710 [18050.183012][ T7704] netlink_sendmsg+0x723/0xbe0 [18050.183012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18050.183012][ T7704] ___sys_sendmsg+0xee/0x170 [18050.183012][ T7704] __sys_sendmsg+0xcd/0x170 [18050.183012][ T7704] do_syscall_64+0xc6/0x1e0 [18050.183012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18050.183012][ T7704] [18060.212816][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18060.213432][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18060.213432][ T7704] netdev_get_by_index+0x5e/0x80 [18060.213432][ T7704] fib6_nh_init+0x3d8/0x15b0 [18060.213432][ T7704] ip6_route_info_create+0xf18/0x17d0 [18060.213432][ T7704] ip6_route_add+0x1c/0x140 [18060.213432][ T7704] addrconf_prefix_route+0x2a6/0x430 [18060.213432][ T7704] inet6_addr_add+0x4f8/0xa40 [18060.213432][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18060.213432][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18060.213432][ T7704] netlink_rcv_skb+0x130/0x360 [18060.213432][ T7704] netlink_unicast+0x449/0x710 [18060.213432][ T7704] netlink_sendmsg+0x723/0xbe0 [18060.213432][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18060.213432][ T7704] ___sys_sendmsg+0xee/0x170 [18060.213432][ T7704] __sys_sendmsg+0xcd/0x170 [18060.213432][ T7704] do_syscall_64+0xc6/0x1e0 [18060.213432][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18060.213432][ T7704] [18060.215739][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18060.215739][ T7704] netdev_get_by_index+0x5e/0x80 [18060.215739][ T7704] fib6_nh_init+0x3d8/0x15b0 [18060.215739][ T7704] ip6_route_info_create+0xf18/0x17d0 [18060.215739][ T7704] addrconf_f6i_alloc+0x315/0x560 [18060.215739][ T7704] ipv6_add_addr+0x411/0x2000 [18060.215739][ T7704] inet6_addr_add+0x30e/0xa40 [18060.215739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18060.215739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18060.215739][ T7704] netlink_rcv_skb+0x130/0x360 [18060.215739][ T7704] netlink_unicast+0x449/0x710 [18060.215739][ T7704] netlink_sendmsg+0x723/0xbe0 [18060.215739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18060.215739][ T7704] ___sys_sendmsg+0xee/0x170 [18060.215739][ T7704] __sys_sendmsg+0xcd/0x170 [18060.215739][ T7704] do_syscall_64+0xc6/0x1e0 [18060.215739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18060.215739][ T7704] [18060.218056][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18060.218056][ T7704] netdev_get_by_index+0x5e/0x80 [18060.218056][ T7704] fib6_nh_init+0x3d8/0x15b0 [18060.218056][ T7704] ip6_route_info_create+0xf18/0x17d0 [18060.218056][ T7704] ip6_route_add+0x1c/0x140 [18060.218056][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18060.218056][ T7704] addrconf_add_dev+0xe2/0x170 [18060.218056][ T7704] inet6_addr_add+0x12f/0xa40 [18060.218056][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18060.218056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18060.218056][ T7704] netlink_rcv_skb+0x130/0x360 [18060.218056][ T7704] netlink_unicast+0x449/0x710 [18060.218056][ T7704] netlink_sendmsg+0x723/0xbe0 [18060.218056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18060.218056][ T7704] ___sys_sendmsg+0xee/0x170 [18060.218056][ T7704] __sys_sendmsg+0xcd/0x170 [18060.218056][ T7704] do_syscall_64+0xc6/0x1e0 [18060.218056][ T7704] [18060.220331][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18060.220331][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18060.220331][ T7704] ipv6_find_idev+0x102/0x170 [18060.220331][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18060.220331][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18060.220331][ T7704] netlink_rcv_skb+0x130/0x360 [18060.220331][ T7704] netlink_unicast+0x449/0x710 [18060.220331][ T7704] netlink_sendmsg+0x723/0xbe0 [18060.220331][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18060.220331][ T7704] ___sys_sendmsg+0xee/0x170 [18060.220331][ T7704] __sys_sendmsg+0xcd/0x170 [18060.220331][ T7704] do_syscall_64+0xc6/0x1e0 [18060.220331][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18060.220331][ T7704] [18060.222093][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18060.222093][ T7704] neigh_parms_alloc+0x1e5/0x510 [18060.222093][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18060.222093][ T7704] ipv6_find_idev+0x102/0x170 [18060.222093][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18060.222093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18060.222093][ T7704] netlink_rcv_skb+0x130/0x360 [18060.222093][ T7704] netlink_unicast+0x449/0x710 [18060.222093][ T7704] netlink_sendmsg+0x723/0xbe0 [18060.222093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18060.222093][ T7704] ___sys_sendmsg+0xee/0x170 [18060.222093][ T7704] __sys_sendmsg+0xcd/0x170 [18060.222093][ T7704] do_syscall_64+0xc6/0x1e0 [18060.222093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18060.222093][ T7704] [18070.324969][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18070.325782][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18070.325782][ T7704] netdev_get_by_index+0x5e/0x80 [18070.325782][ T7704] fib6_nh_init+0x3d8/0x15b0 [18070.325782][ T7704] ip6_route_info_create+0xf18/0x17d0 [18070.325782][ T7704] ip6_route_add+0x1c/0x140 [18070.325782][ T7704] addrconf_prefix_route+0x2a6/0x430 [18070.325782][ T7704] inet6_addr_add+0x4f8/0xa40 [18070.325782][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18070.325782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18070.325782][ T7704] netlink_rcv_skb+0x130/0x360 [18070.325782][ T7704] netlink_unicast+0x449/0x710 [18070.325782][ T7704] netlink_sendmsg+0x723/0xbe0 [18070.325782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18070.325782][ T7704] ___sys_sendmsg+0xee/0x170 [18070.325782][ T7704] __sys_sendmsg+0xcd/0x170 [18070.325782][ T7704] do_syscall_64+0xc6/0x1e0 [18070.325782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18070.325782][ T7704] [18070.328162][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18070.328162][ T7704] netdev_get_by_index+0x5e/0x80 [18070.328162][ T7704] fib6_nh_init+0x3d8/0x15b0 [18070.328162][ T7704] ip6_route_info_create+0xf18/0x17d0 [18070.328162][ T7704] addrconf_f6i_alloc+0x315/0x560 [18070.328162][ T7704] ipv6_add_addr+0x411/0x2000 [18070.328162][ T7704] inet6_addr_add+0x30e/0xa40 [18070.328162][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18070.328162][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18070.328162][ T7704] netlink_rcv_skb+0x130/0x360 [18070.328162][ T7704] netlink_unicast+0x449/0x710 [18070.328162][ T7704] netlink_sendmsg+0x723/0xbe0 [18070.328162][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18070.328162][ T7704] ___sys_sendmsg+0xee/0x170 [18070.328162][ T7704] __sys_sendmsg+0xcd/0x170 [18070.328162][ T7704] do_syscall_64+0xc6/0x1e0 [18070.328162][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18070.328162][ T7704] [18070.330480][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18070.330480][ T7704] netdev_get_by_index+0x5e/0x80 [18070.330480][ T7704] fib6_nh_init+0x3d8/0x15b0 [18070.330480][ T7704] ip6_route_info_create+0xf18/0x17d0 [18070.330480][ T7704] ip6_route_add+0x1c/0x140 [18070.330480][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18070.330480][ T7704] addrconf_add_dev+0xe2/0x170 [18070.330480][ T7704] inet6_addr_add+0x12f/0xa40 [18070.330480][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18070.330480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18070.330480][ T7704] netlink_rcv_skb+0x130/0x360 [18070.330480][ T7704] netlink_unicast+0x449/0x710 [18070.330480][ T7704] netlink_sendmsg+0x723/0xbe0 [18070.330480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18070.330480][ T7704] ___sys_sendmsg+0xee/0x170 [18070.330480][ T7704] __sys_sendmsg+0xcd/0x170 [18070.330480][ T7704] do_syscall_64+0xc6/0x1e0 [18070.330480][ T7704] [18070.332708][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18070.332708][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18070.332708][ T7704] ipv6_find_idev+0x102/0x170 [18070.332708][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18070.332708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18070.332708][ T7704] netlink_rcv_skb+0x130/0x360 [18070.332708][ T7704] netlink_unicast+0x449/0x710 [18070.332708][ T7704] netlink_sendmsg+0x723/0xbe0 [18070.332708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18070.332708][ T7704] ___sys_sendmsg+0xee/0x170 [18070.332708][ T7704] __sys_sendmsg+0xcd/0x170 [18070.332708][ T7704] do_syscall_64+0xc6/0x1e0 [18070.332708][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18070.332708][ T7704] [18070.334517][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18070.334517][ T7704] neigh_parms_alloc+0x1e5/0x510 [18070.334517][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18070.334517][ T7704] ipv6_find_idev+0x102/0x170 [18070.334517][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18070.334517][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18070.334517][ T7704] netlink_rcv_skb+0x130/0x360 [18070.334517][ T7704] netlink_unicast+0x449/0x710 [18070.334517][ T7704] netlink_sendmsg+0x723/0xbe0 [18070.334517][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18070.334517][ T7704] ___sys_sendmsg+0xee/0x170 [18070.334517][ T7704] __sys_sendmsg+0xcd/0x170 [18070.334517][ T7704] do_syscall_64+0xc6/0x1e0 [18070.334517][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18070.334517][ T7704] [18080.372891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18080.373488][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18080.373488][ T7704] netdev_get_by_index+0x5e/0x80 [18080.373488][ T7704] fib6_nh_init+0x3d8/0x15b0 [18080.373488][ T7704] ip6_route_info_create+0xf18/0x17d0 [18080.373488][ T7704] ip6_route_add+0x1c/0x140 [18080.373488][ T7704] addrconf_prefix_route+0x2a6/0x430 [18080.373488][ T7704] inet6_addr_add+0x4f8/0xa40 [18080.373488][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18080.373488][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18080.373488][ T7704] netlink_rcv_skb+0x130/0x360 [18080.373488][ T7704] netlink_unicast+0x449/0x710 [18080.373488][ T7704] netlink_sendmsg+0x723/0xbe0 [18080.373488][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18080.373488][ T7704] ___sys_sendmsg+0xee/0x170 [18080.373488][ T7704] __sys_sendmsg+0xcd/0x170 [18080.373488][ T7704] do_syscall_64+0xc6/0x1e0 [18080.373488][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18080.373488][ T7704] [18080.375761][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18080.375761][ T7704] netdev_get_by_index+0x5e/0x80 [18080.375761][ T7704] fib6_nh_init+0x3d8/0x15b0 [18080.375761][ T7704] ip6_route_info_create+0xf18/0x17d0 [18080.375761][ T7704] addrconf_f6i_alloc+0x315/0x560 [18080.375761][ T7704] ipv6_add_addr+0x411/0x2000 [18080.375761][ T7704] inet6_addr_add+0x30e/0xa40 [18080.375761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18080.375761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18080.375761][ T7704] netlink_rcv_skb+0x130/0x360 [18080.375761][ T7704] netlink_unicast+0x449/0x710 [18080.375761][ T7704] netlink_sendmsg+0x723/0xbe0 [18080.375761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18080.375761][ T7704] ___sys_sendmsg+0xee/0x170 [18080.375761][ T7704] __sys_sendmsg+0xcd/0x170 [18080.375761][ T7704] do_syscall_64+0xc6/0x1e0 [18080.375761][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18080.375761][ T7704] [18080.378069][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18080.378069][ T7704] netdev_get_by_index+0x5e/0x80 [18080.378069][ T7704] fib6_nh_init+0x3d8/0x15b0 [18080.378069][ T7704] ip6_route_info_create+0xf18/0x17d0 [18080.378069][ T7704] ip6_route_add+0x1c/0x140 [18080.378069][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18080.378069][ T7704] addrconf_add_dev+0xe2/0x170 [18080.378069][ T7704] inet6_addr_add+0x12f/0xa40 [18080.378069][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18080.378069][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18080.378069][ T7704] netlink_rcv_skb+0x130/0x360 [18080.378069][ T7704] netlink_unicast+0x449/0x710 [18080.378069][ T7704] netlink_sendmsg+0x723/0xbe0 [18080.378069][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18080.378069][ T7704] ___sys_sendmsg+0xee/0x170 [18080.378069][ T7704] __sys_sendmsg+0xcd/0x170 [18080.378069][ T7704] do_syscall_64+0xc6/0x1e0 [18080.378069][ T7704] [18080.380423][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18080.380423][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18080.380423][ T7704] ipv6_find_idev+0x102/0x170 [18080.380423][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18080.380423][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18080.380423][ T7704] netlink_rcv_skb+0x130/0x360 [18080.380423][ T7704] netlink_unicast+0x449/0x710 [18080.380423][ T7704] netlink_sendmsg+0x723/0xbe0 [18080.380423][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18080.380423][ T7704] ___sys_sendmsg+0xee/0x170 [18080.380423][ T7704] __sys_sendmsg+0xcd/0x170 [18080.380423][ T7704] do_syscall_64+0xc6/0x1e0 [18080.380423][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18080.380423][ T7704] [18080.382339][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18080.382339][ T7704] neigh_parms_alloc+0x1e5/0x510 [18080.382339][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18080.382339][ T7704] ipv6_find_idev+0x102/0x170 [18080.382339][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18080.382339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18080.382339][ T7704] netlink_rcv_skb+0x130/0x360 [18080.382339][ T7704] netlink_unicast+0x449/0x710 [18080.382339][ T7704] netlink_sendmsg+0x723/0xbe0 [18080.382339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18080.382339][ T7704] ___sys_sendmsg+0xee/0x170 [18080.382339][ T7704] __sys_sendmsg+0xcd/0x170 [18080.382339][ T7704] do_syscall_64+0xc6/0x1e0 [18080.382339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18080.382339][ T7704] [18090.620987][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18090.621479][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18090.621479][ T7704] netdev_get_by_index+0x5e/0x80 [18090.621479][ T7704] fib6_nh_init+0x3d8/0x15b0 [18090.621479][ T7704] ip6_route_info_create+0xf18/0x17d0 [18090.621479][ T7704] ip6_route_add+0x1c/0x140 [18090.621479][ T7704] addrconf_prefix_route+0x2a6/0x430 [18090.621479][ T7704] inet6_addr_add+0x4f8/0xa40 [18090.621479][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18090.621479][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18090.621479][ T7704] netlink_rcv_skb+0x130/0x360 [18090.621479][ T7704] netlink_unicast+0x449/0x710 [18090.621479][ T7704] netlink_sendmsg+0x723/0xbe0 [18090.621479][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18090.621479][ T7704] ___sys_sendmsg+0xee/0x170 [18090.621479][ T7704] __sys_sendmsg+0xcd/0x170 [18090.621479][ T7704] do_syscall_64+0xc6/0x1e0 [18090.621479][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18090.621479][ T7704] [18090.623853][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18090.623853][ T7704] netdev_get_by_index+0x5e/0x80 [18090.623853][ T7704] fib6_nh_init+0x3d8/0x15b0 [18090.623853][ T7704] ip6_route_info_create+0xf18/0x17d0 [18090.623853][ T7704] addrconf_f6i_alloc+0x315/0x560 [18090.623853][ T7704] ipv6_add_addr+0x411/0x2000 [18090.623853][ T7704] inet6_addr_add+0x30e/0xa40 [18090.623853][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18090.623853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18090.623853][ T7704] netlink_rcv_skb+0x130/0x360 [18090.623853][ T7704] netlink_unicast+0x449/0x710 [18090.623853][ T7704] netlink_sendmsg+0x723/0xbe0 [18090.623853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18090.623853][ T7704] ___sys_sendmsg+0xee/0x170 [18090.623853][ T7704] __sys_sendmsg+0xcd/0x170 [18090.623853][ T7704] do_syscall_64+0xc6/0x1e0 [18090.623853][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18090.623853][ T7704] [18090.626163][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18090.626163][ T7704] netdev_get_by_index+0x5e/0x80 [18090.626163][ T7704] fib6_nh_init+0x3d8/0x15b0 [18090.626163][ T7704] ip6_route_info_create+0xf18/0x17d0 [18090.626163][ T7704] ip6_route_add+0x1c/0x140 [18090.626163][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18090.626163][ T7704] addrconf_add_dev+0xe2/0x170 [18090.626163][ T7704] inet6_addr_add+0x12f/0xa40 [18090.626163][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18090.626163][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18090.626163][ T7704] netlink_rcv_skb+0x130/0x360 [18090.626163][ T7704] netlink_unicast+0x449/0x710 [18090.626163][ T7704] netlink_sendmsg+0x723/0xbe0 [18090.626163][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18090.626163][ T7704] ___sys_sendmsg+0xee/0x170 [18090.626163][ T7704] __sys_sendmsg+0xcd/0x170 [18090.626163][ T7704] do_syscall_64+0xc6/0x1e0 [18090.626163][ T7704] [18090.628584][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18090.628584][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18090.628584][ T7704] ipv6_find_idev+0x102/0x170 [18090.628584][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18090.628584][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18090.628584][ T7704] netlink_rcv_skb+0x130/0x360 [18090.628584][ T7704] netlink_unicast+0x449/0x710 [18090.628584][ T7704] netlink_sendmsg+0x723/0xbe0 [18090.628584][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18090.628584][ T7704] ___sys_sendmsg+0xee/0x170 [18090.628584][ T7704] __sys_sendmsg+0xcd/0x170 [18090.628584][ T7704] do_syscall_64+0xc6/0x1e0 [18090.628584][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18090.628584][ T7704] [18090.630436][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18090.630436][ T7704] neigh_parms_alloc+0x1e5/0x510 [18090.630436][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18090.630436][ T7704] ipv6_find_idev+0x102/0x170 [18090.630436][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18090.630436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18090.630436][ T7704] netlink_rcv_skb+0x130/0x360 [18090.630436][ T7704] netlink_unicast+0x449/0x710 [18090.630436][ T7704] netlink_sendmsg+0x723/0xbe0 [18090.630436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18090.630436][ T7704] ___sys_sendmsg+0xee/0x170 [18090.630436][ T7704] __sys_sendmsg+0xcd/0x170 [18090.630436][ T7704] do_syscall_64+0xc6/0x1e0 [18090.630436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18090.630436][ T7704] [18100.868878][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18100.869530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18100.869530][ T7704] netdev_get_by_index+0x5e/0x80 [18100.869530][ T7704] fib6_nh_init+0x3d8/0x15b0 [18100.869530][ T7704] ip6_route_info_create+0xf18/0x17d0 [18100.869530][ T7704] ip6_route_add+0x1c/0x140 [18100.869530][ T7704] addrconf_prefix_route+0x2a6/0x430 [18100.869530][ T7704] inet6_addr_add+0x4f8/0xa40 [18100.869530][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18100.869530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18100.869530][ T7704] netlink_rcv_skb+0x130/0x360 [18100.869530][ T7704] netlink_unicast+0x449/0x710 [18100.869530][ T7704] netlink_sendmsg+0x723/0xbe0 [18100.869530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18100.869530][ T7704] ___sys_sendmsg+0xee/0x170 [18100.869530][ T7704] __sys_sendmsg+0xcd/0x170 [18100.869530][ T7704] do_syscall_64+0xc6/0x1e0 [18100.869530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18100.869530][ T7704] [18100.871907][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18100.871907][ T7704] netdev_get_by_index+0x5e/0x80 [18100.871907][ T7704] fib6_nh_init+0x3d8/0x15b0 [18100.871907][ T7704] ip6_route_info_create+0xf18/0x17d0 [18100.871907][ T7704] addrconf_f6i_alloc+0x315/0x560 [18100.871907][ T7704] ipv6_add_addr+0x411/0x2000 [18100.871907][ T7704] inet6_addr_add+0x30e/0xa40 [18100.871907][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18100.871907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18100.871907][ T7704] netlink_rcv_skb+0x130/0x360 [18100.871907][ T7704] netlink_unicast+0x449/0x710 [18100.871907][ T7704] netlink_sendmsg+0x723/0xbe0 [18100.871907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18100.871907][ T7704] ___sys_sendmsg+0xee/0x170 [18100.871907][ T7704] __sys_sendmsg+0xcd/0x170 [18100.871907][ T7704] do_syscall_64+0xc6/0x1e0 [18100.871907][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18100.871907][ T7704] [18100.874296][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18100.874296][ T7704] netdev_get_by_index+0x5e/0x80 [18100.874296][ T7704] fib6_nh_init+0x3d8/0x15b0 [18100.874296][ T7704] ip6_route_info_create+0xf18/0x17d0 [18100.874296][ T7704] ip6_route_add+0x1c/0x140 [18100.874296][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18100.874296][ T7704] addrconf_add_dev+0xe2/0x170 [18100.874296][ T7704] inet6_addr_add+0x12f/0xa40 [18100.874296][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18100.874296][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18100.874296][ T7704] netlink_rcv_skb+0x130/0x360 [18100.874296][ T7704] netlink_unicast+0x449/0x710 [18100.874296][ T7704] netlink_sendmsg+0x723/0xbe0 [18100.874296][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18100.874296][ T7704] ___sys_sendmsg+0xee/0x170 [18100.874296][ T7704] __sys_sendmsg+0xcd/0x170 [18100.874296][ T7704] do_syscall_64+0xc6/0x1e0 [18100.874296][ T7704] [18100.876688][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18100.876688][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18100.876688][ T7704] ipv6_find_idev+0x102/0x170 [18100.876688][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18100.876688][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18100.876688][ T7704] netlink_rcv_skb+0x130/0x360 [18100.876688][ T7704] netlink_unicast+0x449/0x710 [18100.876688][ T7704] netlink_sendmsg+0x723/0xbe0 [18100.876688][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18100.876688][ T7704] ___sys_sendmsg+0xee/0x170 [18100.876688][ T7704] __sys_sendmsg+0xcd/0x170 [18100.876688][ T7704] do_syscall_64+0xc6/0x1e0 [18100.876688][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18100.876688][ T7704] [18100.878619][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18100.878619][ T7704] neigh_parms_alloc+0x1e5/0x510 [18100.878619][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18100.878619][ T7704] ipv6_find_idev+0x102/0x170 [18100.878619][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18100.878619][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18100.878619][ T7704] netlink_rcv_skb+0x130/0x360 [18100.878619][ T7704] netlink_unicast+0x449/0x710 [18100.878619][ T7704] netlink_sendmsg+0x723/0xbe0 [18100.878619][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18100.878619][ T7704] ___sys_sendmsg+0xee/0x170 [18100.878619][ T7704] __sys_sendmsg+0xcd/0x170 [18100.878619][ T7704] do_syscall_64+0xc6/0x1e0 [18100.878619][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18100.878619][ T7704] [18111.100920][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18111.101636][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18111.101636][ T7704] netdev_get_by_index+0x5e/0x80 [18111.101636][ T7704] fib6_nh_init+0x3d8/0x15b0 [18111.101636][ T7704] ip6_route_info_create+0xf18/0x17d0 [18111.101636][ T7704] ip6_route_add+0x1c/0x140 [18111.101636][ T7704] addrconf_prefix_route+0x2a6/0x430 [18111.101636][ T7704] inet6_addr_add+0x4f8/0xa40 [18111.101636][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18111.101636][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18111.101636][ T7704] netlink_rcv_skb+0x130/0x360 [18111.101636][ T7704] netlink_unicast+0x449/0x710 [18111.101636][ T7704] netlink_sendmsg+0x723/0xbe0 [18111.101636][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18111.101636][ T7704] ___sys_sendmsg+0xee/0x170 [18111.101636][ T7704] __sys_sendmsg+0xcd/0x170 [18111.101636][ T7704] do_syscall_64+0xc6/0x1e0 [18111.101636][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18111.101636][ T7704] [18111.104185][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18111.104185][ T7704] netdev_get_by_index+0x5e/0x80 [18111.104185][ T7704] fib6_nh_init+0x3d8/0x15b0 [18111.104185][ T7704] ip6_route_info_create+0xf18/0x17d0 [18111.104185][ T7704] addrconf_f6i_alloc+0x315/0x560 [18111.104185][ T7704] ipv6_add_addr+0x411/0x2000 [18111.104185][ T7704] inet6_addr_add+0x30e/0xa40 [18111.104185][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18111.104185][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18111.104185][ T7704] netlink_rcv_skb+0x130/0x360 [18111.104185][ T7704] netlink_unicast+0x449/0x710 [18111.104185][ T7704] netlink_sendmsg+0x723/0xbe0 [18111.104185][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18111.104185][ T7704] ___sys_sendmsg+0xee/0x170 [18111.104185][ T7704] __sys_sendmsg+0xcd/0x170 [18111.104185][ T7704] do_syscall_64+0xc6/0x1e0 [18111.104185][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18111.104185][ T7704] [18111.106571][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18111.106571][ T7704] netdev_get_by_index+0x5e/0x80 [18111.106571][ T7704] fib6_nh_init+0x3d8/0x15b0 [18111.106571][ T7704] ip6_route_info_create+0xf18/0x17d0 [18111.106571][ T7704] ip6_route_add+0x1c/0x140 [18111.106571][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18111.106571][ T7704] addrconf_add_dev+0xe2/0x170 [18111.106571][ T7704] inet6_addr_add+0x12f/0xa40 [18111.106571][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18111.106571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18111.106571][ T7704] netlink_rcv_skb+0x130/0x360 [18111.106571][ T7704] netlink_unicast+0x449/0x710 [18111.106571][ T7704] netlink_sendmsg+0x723/0xbe0 [18111.106571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18111.106571][ T7704] ___sys_sendmsg+0xee/0x170 [18111.106571][ T7704] __sys_sendmsg+0xcd/0x170 [18111.106571][ T7704] do_syscall_64+0xc6/0x1e0 [18111.106571][ T7704] [18111.108991][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18111.108991][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18111.108991][ T7704] ipv6_find_idev+0x102/0x170 [18111.108991][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18111.108991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18111.108991][ T7704] netlink_rcv_skb+0x130/0x360 [18111.108991][ T7704] netlink_unicast+0x449/0x710 [18111.108991][ T7704] netlink_sendmsg+0x723/0xbe0 [18111.108991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18111.108991][ T7704] ___sys_sendmsg+0xee/0x170 [18111.108991][ T7704] __sys_sendmsg+0xcd/0x170 [18111.108991][ T7704] do_syscall_64+0xc6/0x1e0 [18111.108991][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18111.108991][ T7704] [18111.110738][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18111.110738][ T7704] neigh_parms_alloc+0x1e5/0x510 [18111.110738][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18111.110738][ T7704] ipv6_find_idev+0x102/0x170 [18111.110738][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18111.110738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18111.110738][ T7704] netlink_rcv_skb+0x130/0x360 [18111.110738][ T7704] netlink_unicast+0x449/0x710 [18111.110738][ T7704] netlink_sendmsg+0x723/0xbe0 [18111.110738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18111.110738][ T7704] ___sys_sendmsg+0xee/0x170 [18111.110738][ T7704] __sys_sendmsg+0xcd/0x170 [18111.110738][ T7704] do_syscall_64+0xc6/0x1e0 [18111.110738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18111.110738][ T7704] [18121.236808][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18121.237350][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18121.237350][ T7704] netdev_get_by_index+0x5e/0x80 [18121.237350][ T7704] fib6_nh_init+0x3d8/0x15b0 [18121.237350][ T7704] ip6_route_info_create+0xf18/0x17d0 [18121.237350][ T7704] ip6_route_add+0x1c/0x140 [18121.237350][ T7704] addrconf_prefix_route+0x2a6/0x430 [18121.237350][ T7704] inet6_addr_add+0x4f8/0xa40 [18121.237350][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18121.237350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18121.237350][ T7704] netlink_rcv_skb+0x130/0x360 [18121.237350][ T7704] netlink_unicast+0x449/0x710 [18121.237350][ T7704] netlink_sendmsg+0x723/0xbe0 [18121.237350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18121.237350][ T7704] ___sys_sendmsg+0xee/0x170 [18121.237350][ T7704] __sys_sendmsg+0xcd/0x170 [18121.237350][ T7704] do_syscall_64+0xc6/0x1e0 [18121.237350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18121.237350][ T7704] [18121.239599][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18121.239599][ T7704] netdev_get_by_index+0x5e/0x80 [18121.239599][ T7704] fib6_nh_init+0x3d8/0x15b0 [18121.239599][ T7704] ip6_route_info_create+0xf18/0x17d0 [18121.239599][ T7704] addrconf_f6i_alloc+0x315/0x560 [18121.239599][ T7704] ipv6_add_addr+0x411/0x2000 [18121.239599][ T7704] inet6_addr_add+0x30e/0xa40 [18121.239599][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18121.239599][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18121.239599][ T7704] netlink_rcv_skb+0x130/0x360 [18121.239599][ T7704] netlink_unicast+0x449/0x710 [18121.239599][ T7704] netlink_sendmsg+0x723/0xbe0 [18121.239599][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18121.239599][ T7704] ___sys_sendmsg+0xee/0x170 [18121.239599][ T7704] __sys_sendmsg+0xcd/0x170 [18121.239599][ T7704] do_syscall_64+0xc6/0x1e0 [18121.239599][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18121.239599][ T7704] [18121.241753][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18121.241753][ T7704] netdev_get_by_index+0x5e/0x80 [18121.241753][ T7704] fib6_nh_init+0x3d8/0x15b0 [18121.241753][ T7704] ip6_route_info_create+0xf18/0x17d0 [18121.241753][ T7704] ip6_route_add+0x1c/0x140 [18121.241753][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18121.241753][ T7704] addrconf_add_dev+0xe2/0x170 [18121.241753][ T7704] inet6_addr_add+0x12f/0xa40 [18121.241753][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18121.241753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18121.241753][ T7704] netlink_rcv_skb+0x130/0x360 [18121.241753][ T7704] netlink_unicast+0x449/0x710 [18121.241753][ T7704] netlink_sendmsg+0x723/0xbe0 [18121.241753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18121.241753][ T7704] ___sys_sendmsg+0xee/0x170 [18121.241753][ T7704] __sys_sendmsg+0xcd/0x170 [18121.241753][ T7704] do_syscall_64+0xc6/0x1e0 [18121.241753][ T7704] [18121.243865][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18121.243865][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18121.243865][ T7704] ipv6_find_idev+0x102/0x170 [18121.243865][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18121.243865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18121.243865][ T7704] netlink_rcv_skb+0x130/0x360 [18121.243865][ T7704] netlink_unicast+0x449/0x710 [18121.243865][ T7704] netlink_sendmsg+0x723/0xbe0 [18121.243865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18121.243865][ T7704] ___sys_sendmsg+0xee/0x170 [18121.243865][ T7704] __sys_sendmsg+0xcd/0x170 [18121.243865][ T7704] do_syscall_64+0xc6/0x1e0 [18121.243865][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18121.243865][ T7704] [18121.245525][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18121.245525][ T7704] neigh_parms_alloc+0x1e5/0x510 [18121.245525][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18121.245525][ T7704] ipv6_find_idev+0x102/0x170 [18121.245525][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18121.245525][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18121.245525][ T7704] netlink_rcv_skb+0x130/0x360 [18121.245525][ T7704] netlink_unicast+0x449/0x710 [18121.245525][ T7704] netlink_sendmsg+0x723/0xbe0 [18121.245525][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18121.245525][ T7704] ___sys_sendmsg+0xee/0x170 [18121.245525][ T7704] __sys_sendmsg+0xcd/0x170 [18121.245525][ T7704] do_syscall_64+0xc6/0x1e0 [18121.245525][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18121.245525][ T7704] [18131.428826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18131.429693][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18131.429693][ T7704] netdev_get_by_index+0x5e/0x80 [18131.429693][ T7704] fib6_nh_init+0x3d8/0x15b0 [18131.429693][ T7704] ip6_route_info_create+0xf18/0x17d0 [18131.429693][ T7704] ip6_route_add+0x1c/0x140 [18131.429693][ T7704] addrconf_prefix_route+0x2a6/0x430 [18131.429693][ T7704] inet6_addr_add+0x4f8/0xa40 [18131.429693][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18131.429693][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18131.429693][ T7704] netlink_rcv_skb+0x130/0x360 [18131.429693][ T7704] netlink_unicast+0x449/0x710 [18131.429693][ T7704] netlink_sendmsg+0x723/0xbe0 [18131.429693][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18131.429693][ T7704] ___sys_sendmsg+0xee/0x170 [18131.429693][ T7704] __sys_sendmsg+0xcd/0x170 [18131.429693][ T7704] do_syscall_64+0xc6/0x1e0 [18131.429693][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18131.429693][ T7704] [18131.431941][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18131.431941][ T7704] netdev_get_by_index+0x5e/0x80 [18131.431941][ T7704] fib6_nh_init+0x3d8/0x15b0 [18131.431941][ T7704] ip6_route_info_create+0xf18/0x17d0 [18131.431941][ T7704] addrconf_f6i_alloc+0x315/0x560 [18131.431941][ T7704] ipv6_add_addr+0x411/0x2000 [18131.431941][ T7704] inet6_addr_add+0x30e/0xa40 [18131.431941][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18131.431941][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18131.431941][ T7704] netlink_rcv_skb+0x130/0x360 [18131.431941][ T7704] netlink_unicast+0x449/0x710 [18131.431941][ T7704] netlink_sendmsg+0x723/0xbe0 [18131.431941][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18131.431941][ T7704] ___sys_sendmsg+0xee/0x170 [18131.431941][ T7704] __sys_sendmsg+0xcd/0x170 [18131.431941][ T7704] do_syscall_64+0xc6/0x1e0 [18131.431941][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18131.431941][ T7704] [18131.434152][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18131.434152][ T7704] netdev_get_by_index+0x5e/0x80 [18131.434152][ T7704] fib6_nh_init+0x3d8/0x15b0 [18131.434152][ T7704] ip6_route_info_create+0xf18/0x17d0 [18131.434152][ T7704] ip6_route_add+0x1c/0x140 [18131.434152][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18131.434152][ T7704] addrconf_add_dev+0xe2/0x170 [18131.434152][ T7704] inet6_addr_add+0x12f/0xa40 [18131.434152][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18131.434152][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18131.434152][ T7704] netlink_rcv_skb+0x130/0x360 [18131.434152][ T7704] netlink_unicast+0x449/0x710 [18131.434152][ T7704] netlink_sendmsg+0x723/0xbe0 [18131.434152][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18131.434152][ T7704] ___sys_sendmsg+0xee/0x170 [18131.434152][ T7704] __sys_sendmsg+0xcd/0x170 [18131.434152][ T7704] do_syscall_64+0xc6/0x1e0 [18131.434152][ T7704] [18131.436329][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18131.436329][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18131.436329][ T7704] ipv6_find_idev+0x102/0x170 [18131.436329][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18131.436329][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18131.436329][ T7704] netlink_rcv_skb+0x130/0x360 [18131.436329][ T7704] netlink_unicast+0x449/0x710 [18131.436329][ T7704] netlink_sendmsg+0x723/0xbe0 [18131.436329][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18131.436329][ T7704] ___sys_sendmsg+0xee/0x170 [18131.436329][ T7704] __sys_sendmsg+0xcd/0x170 [18131.436329][ T7704] do_syscall_64+0xc6/0x1e0 [18131.436329][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18131.436329][ T7704] [18131.438021][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18131.438021][ T7704] neigh_parms_alloc+0x1e5/0x510 [18131.438021][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18131.438021][ T7704] ipv6_find_idev+0x102/0x170 [18131.438021][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18131.438021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18131.438021][ T7704] netlink_rcv_skb+0x130/0x360 [18131.438021][ T7704] netlink_unicast+0x449/0x710 [18131.438021][ T7704] netlink_sendmsg+0x723/0xbe0 [18131.438021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18131.438021][ T7704] ___sys_sendmsg+0xee/0x170 [18131.438021][ T7704] __sys_sendmsg+0xcd/0x170 [18131.438021][ T7704] do_syscall_64+0xc6/0x1e0 [18131.438021][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18131.438021][ T7704] [18141.692891][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18141.693681][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18141.693681][ T7704] netdev_get_by_index+0x5e/0x80 [18141.693681][ T7704] fib6_nh_init+0x3d8/0x15b0 [18141.693681][ T7704] ip6_route_info_create+0xf18/0x17d0 [18141.693681][ T7704] ip6_route_add+0x1c/0x140 [18141.693681][ T7704] addrconf_prefix_route+0x2a6/0x430 [18141.693681][ T7704] inet6_addr_add+0x4f8/0xa40 [18141.693681][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18141.693681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18141.693681][ T7704] netlink_rcv_skb+0x130/0x360 [18141.693681][ T7704] netlink_unicast+0x449/0x710 [18141.693681][ T7704] netlink_sendmsg+0x723/0xbe0 [18141.693681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18141.693681][ T7704] ___sys_sendmsg+0xee/0x170 [18141.693681][ T7704] __sys_sendmsg+0xcd/0x170 [18141.693681][ T7704] do_syscall_64+0xc6/0x1e0 [18141.693681][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18141.693681][ T7704] [18141.695909][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18141.695909][ T7704] netdev_get_by_index+0x5e/0x80 [18141.695909][ T7704] fib6_nh_init+0x3d8/0x15b0 [18141.695909][ T7704] ip6_route_info_create+0xf18/0x17d0 [18141.695909][ T7704] addrconf_f6i_alloc+0x315/0x560 [18141.695909][ T7704] ipv6_add_addr+0x411/0x2000 [18141.695909][ T7704] inet6_addr_add+0x30e/0xa40 [18141.695909][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18141.695909][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18141.695909][ T7704] netlink_rcv_skb+0x130/0x360 [18141.695909][ T7704] netlink_unicast+0x449/0x710 [18141.695909][ T7704] netlink_sendmsg+0x723/0xbe0 [18141.695909][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18141.695909][ T7704] ___sys_sendmsg+0xee/0x170 [18141.695909][ T7704] __sys_sendmsg+0xcd/0x170 [18141.695909][ T7704] do_syscall_64+0xc6/0x1e0 [18141.695909][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18141.695909][ T7704] [18141.698119][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18141.698119][ T7704] netdev_get_by_index+0x5e/0x80 [18141.698119][ T7704] fib6_nh_init+0x3d8/0x15b0 [18141.698119][ T7704] ip6_route_info_create+0xf18/0x17d0 [18141.698119][ T7704] ip6_route_add+0x1c/0x140 [18141.698119][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18141.698119][ T7704] addrconf_add_dev+0xe2/0x170 [18141.698119][ T7704] inet6_addr_add+0x12f/0xa40 [18141.698119][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18141.698119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18141.698119][ T7704] netlink_rcv_skb+0x130/0x360 [18141.698119][ T7704] netlink_unicast+0x449/0x710 [18141.698119][ T7704] netlink_sendmsg+0x723/0xbe0 [18141.698119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18141.698119][ T7704] ___sys_sendmsg+0xee/0x170 [18141.698119][ T7704] __sys_sendmsg+0xcd/0x170 [18141.698119][ T7704] do_syscall_64+0xc6/0x1e0 [18141.698119][ T7704] [18141.700290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18141.700290][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18141.700290][ T7704] ipv6_find_idev+0x102/0x170 [18141.700290][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18141.700290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18141.700290][ T7704] netlink_rcv_skb+0x130/0x360 [18141.700290][ T7704] netlink_unicast+0x449/0x710 [18141.700290][ T7704] netlink_sendmsg+0x723/0xbe0 [18141.700290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18141.700290][ T7704] ___sys_sendmsg+0xee/0x170 [18141.700290][ T7704] __sys_sendmsg+0xcd/0x170 [18141.700290][ T7704] do_syscall_64+0xc6/0x1e0 [18141.700290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18141.700290][ T7704] [18141.702012][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18141.702012][ T7704] neigh_parms_alloc+0x1e5/0x510 [18141.702012][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18141.702012][ T7704] ipv6_find_idev+0x102/0x170 [18141.702012][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18141.702012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18141.702012][ T7704] netlink_rcv_skb+0x130/0x360 [18141.702012][ T7704] netlink_unicast+0x449/0x710 [18141.702012][ T7704] netlink_sendmsg+0x723/0xbe0 [18141.702012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18141.702012][ T7704] ___sys_sendmsg+0xee/0x170 [18141.702012][ T7704] __sys_sendmsg+0xcd/0x170 [18141.702012][ T7704] do_syscall_64+0xc6/0x1e0 [18141.702012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18141.702012][ T7704] [18151.948884][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18151.949473][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18151.949473][ T7704] netdev_get_by_index+0x5e/0x80 [18151.949473][ T7704] fib6_nh_init+0x3d8/0x15b0 [18151.949473][ T7704] ip6_route_info_create+0xf18/0x17d0 [18151.949473][ T7704] ip6_route_add+0x1c/0x140 [18151.949473][ T7704] addrconf_prefix_route+0x2a6/0x430 [18151.949473][ T7704] inet6_addr_add+0x4f8/0xa40 [18151.949473][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18151.949473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18151.949473][ T7704] netlink_rcv_skb+0x130/0x360 [18151.949473][ T7704] netlink_unicast+0x449/0x710 [18151.949473][ T7704] netlink_sendmsg+0x723/0xbe0 [18151.949473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18151.949473][ T7704] ___sys_sendmsg+0xee/0x170 [18151.949473][ T7704] __sys_sendmsg+0xcd/0x170 [18151.949473][ T7704] do_syscall_64+0xc6/0x1e0 [18151.949473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18151.949473][ T7704] [18151.951746][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18151.951746][ T7704] netdev_get_by_index+0x5e/0x80 [18151.951746][ T7704] fib6_nh_init+0x3d8/0x15b0 [18151.951746][ T7704] ip6_route_info_create+0xf18/0x17d0 [18151.951746][ T7704] addrconf_f6i_alloc+0x315/0x560 [18151.951746][ T7704] ipv6_add_addr+0x411/0x2000 [18151.951746][ T7704] inet6_addr_add+0x30e/0xa40 [18151.951746][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18151.951746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18151.951746][ T7704] netlink_rcv_skb+0x130/0x360 [18151.951746][ T7704] netlink_unicast+0x449/0x710 [18151.951746][ T7704] netlink_sendmsg+0x723/0xbe0 [18151.951746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18151.951746][ T7704] ___sys_sendmsg+0xee/0x170 [18151.951746][ T7704] __sys_sendmsg+0xcd/0x170 [18151.951746][ T7704] do_syscall_64+0xc6/0x1e0 [18151.951746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18151.951746][ T7704] [18151.954054][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18151.954054][ T7704] netdev_get_by_index+0x5e/0x80 [18151.954054][ T7704] fib6_nh_init+0x3d8/0x15b0 [18151.954054][ T7704] ip6_route_info_create+0xf18/0x17d0 [18151.954054][ T7704] ip6_route_add+0x1c/0x140 [18151.954054][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18151.954054][ T7704] addrconf_add_dev+0xe2/0x170 [18151.954054][ T7704] inet6_addr_add+0x12f/0xa40 [18151.954054][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18151.954054][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18151.954054][ T7704] netlink_rcv_skb+0x130/0x360 [18151.954054][ T7704] netlink_unicast+0x449/0x710 [18151.954054][ T7704] netlink_sendmsg+0x723/0xbe0 [18151.954054][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18151.954054][ T7704] ___sys_sendmsg+0xee/0x170 [18151.954054][ T7704] __sys_sendmsg+0xcd/0x170 [18151.954054][ T7704] do_syscall_64+0xc6/0x1e0 [18151.954054][ T7704] [18151.956252][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18151.956252][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18151.956252][ T7704] ipv6_find_idev+0x102/0x170 [18151.956252][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18151.956252][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18151.956252][ T7704] netlink_rcv_skb+0x130/0x360 [18151.956252][ T7704] netlink_unicast+0x449/0x710 [18151.956252][ T7704] netlink_sendmsg+0x723/0xbe0 [18151.956252][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18151.956252][ T7704] ___sys_sendmsg+0xee/0x170 [18151.956252][ T7704] __sys_sendmsg+0xcd/0x170 [18151.956252][ T7704] do_syscall_64+0xc6/0x1e0 [18151.956252][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18151.956252][ T7704] [18151.958013][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18151.958013][ T7704] neigh_parms_alloc+0x1e5/0x510 [18151.958013][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18151.958013][ T7704] ipv6_find_idev+0x102/0x170 [18151.958013][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18151.958013][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18151.958013][ T7704] netlink_rcv_skb+0x130/0x360 [18151.958013][ T7704] netlink_unicast+0x449/0x710 [18151.958013][ T7704] netlink_sendmsg+0x723/0xbe0 [18151.958013][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18151.958013][ T7704] ___sys_sendmsg+0xee/0x170 [18151.958013][ T7704] __sys_sendmsg+0xcd/0x170 [18151.958013][ T7704] do_syscall_64+0xc6/0x1e0 [18151.958013][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18151.958013][ T7704] [18162.044907][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18162.045704][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18162.045704][ T7704] netdev_get_by_index+0x5e/0x80 [18162.045704][ T7704] fib6_nh_init+0x3d8/0x15b0 [18162.045704][ T7704] ip6_route_info_create+0xf18/0x17d0 [18162.045704][ T7704] ip6_route_add+0x1c/0x140 [18162.045704][ T7704] addrconf_prefix_route+0x2a6/0x430 [18162.045704][ T7704] inet6_addr_add+0x4f8/0xa40 [18162.045704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18162.045704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18162.045704][ T7704] netlink_rcv_skb+0x130/0x360 [18162.045704][ T7704] netlink_unicast+0x449/0x710 [18162.045704][ T7704] netlink_sendmsg+0x723/0xbe0 [18162.045704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18162.045704][ T7704] ___sys_sendmsg+0xee/0x170 [18162.045704][ T7704] __sys_sendmsg+0xcd/0x170 [18162.045704][ T7704] do_syscall_64+0xc6/0x1e0 [18162.045704][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18162.045704][ T7704] [18162.047960][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18162.047960][ T7704] netdev_get_by_index+0x5e/0x80 [18162.047960][ T7704] fib6_nh_init+0x3d8/0x15b0 [18162.047960][ T7704] ip6_route_info_create+0xf18/0x17d0 [18162.047960][ T7704] addrconf_f6i_alloc+0x315/0x560 [18162.047960][ T7704] ipv6_add_addr+0x411/0x2000 [18162.047960][ T7704] inet6_addr_add+0x30e/0xa40 [18162.047960][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18162.047960][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18162.047960][ T7704] netlink_rcv_skb+0x130/0x360 [18162.047960][ T7704] netlink_unicast+0x449/0x710 [18162.047960][ T7704] netlink_sendmsg+0x723/0xbe0 [18162.047960][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18162.047960][ T7704] ___sys_sendmsg+0xee/0x170 [18162.047960][ T7704] __sys_sendmsg+0xcd/0x170 [18162.047960][ T7704] do_syscall_64+0xc6/0x1e0 [18162.047960][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18162.047960][ T7704] [18162.050196][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18162.050196][ T7704] netdev_get_by_index+0x5e/0x80 [18162.050196][ T7704] fib6_nh_init+0x3d8/0x15b0 [18162.050196][ T7704] ip6_route_info_create+0xf18/0x17d0 [18162.050196][ T7704] ip6_route_add+0x1c/0x140 [18162.050196][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18162.050196][ T7704] addrconf_add_dev+0xe2/0x170 [18162.050196][ T7704] inet6_addr_add+0x12f/0xa40 [18162.050196][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18162.050196][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18162.050196][ T7704] netlink_rcv_skb+0x130/0x360 [18162.050196][ T7704] netlink_unicast+0x449/0x710 [18162.050196][ T7704] netlink_sendmsg+0x723/0xbe0 [18162.050196][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18162.050196][ T7704] ___sys_sendmsg+0xee/0x170 [18162.050196][ T7704] __sys_sendmsg+0xcd/0x170 [18162.050196][ T7704] do_syscall_64+0xc6/0x1e0 [18162.050196][ T7704] [18162.052338][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18162.052338][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18162.052338][ T7704] ipv6_find_idev+0x102/0x170 [18162.052338][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18162.052338][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18162.052338][ T7704] netlink_rcv_skb+0x130/0x360 [18162.052338][ T7704] netlink_unicast+0x449/0x710 [18162.052338][ T7704] netlink_sendmsg+0x723/0xbe0 [18162.052338][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18162.052338][ T7704] ___sys_sendmsg+0xee/0x170 [18162.052338][ T7704] __sys_sendmsg+0xcd/0x170 [18162.052338][ T7704] do_syscall_64+0xc6/0x1e0 [18162.052338][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18162.052338][ T7704] [18162.054002][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18162.054002][ T7704] neigh_parms_alloc+0x1e5/0x510 [18162.054002][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18162.054002][ T7704] ipv6_find_idev+0x102/0x170 [18162.054002][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18162.054002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18162.054002][ T7704] netlink_rcv_skb+0x130/0x360 [18162.054002][ T7704] netlink_unicast+0x449/0x710 [18162.054002][ T7704] netlink_sendmsg+0x723/0xbe0 [18162.054002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18162.054002][ T7704] ___sys_sendmsg+0xee/0x170 [18162.054002][ T7704] __sys_sendmsg+0xcd/0x170 [18162.054002][ T7704] do_syscall_64+0xc6/0x1e0 [18162.054002][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18162.054002][ T7704] [18172.292900][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18172.293506][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18172.293506][ T7704] netdev_get_by_index+0x5e/0x80 [18172.293506][ T7704] fib6_nh_init+0x3d8/0x15b0 [18172.293506][ T7704] ip6_route_info_create+0xf18/0x17d0 [18172.293506][ T7704] ip6_route_add+0x1c/0x140 [18172.293506][ T7704] addrconf_prefix_route+0x2a6/0x430 [18172.293506][ T7704] inet6_addr_add+0x4f8/0xa40 [18172.293506][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18172.293506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18172.293506][ T7704] netlink_rcv_skb+0x130/0x360 [18172.293506][ T7704] netlink_unicast+0x449/0x710 [18172.293506][ T7704] netlink_sendmsg+0x723/0xbe0 [18172.293506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18172.293506][ T7704] ___sys_sendmsg+0xee/0x170 [18172.293506][ T7704] __sys_sendmsg+0xcd/0x170 [18172.293506][ T7704] do_syscall_64+0xc6/0x1e0 [18172.293506][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18172.293506][ T7704] [18172.295697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18172.295697][ T7704] netdev_get_by_index+0x5e/0x80 [18172.295697][ T7704] fib6_nh_init+0x3d8/0x15b0 [18172.295697][ T7704] ip6_route_info_create+0xf18/0x17d0 [18172.295697][ T7704] addrconf_f6i_alloc+0x315/0x560 [18172.295697][ T7704] ipv6_add_addr+0x411/0x2000 [18172.295697][ T7704] inet6_addr_add+0x30e/0xa40 [18172.295697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18172.295697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18172.295697][ T7704] netlink_rcv_skb+0x130/0x360 [18172.295697][ T7704] netlink_unicast+0x449/0x710 [18172.295697][ T7704] netlink_sendmsg+0x723/0xbe0 [18172.295697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18172.295697][ T7704] ___sys_sendmsg+0xee/0x170 [18172.295697][ T7704] __sys_sendmsg+0xcd/0x170 [18172.295697][ T7704] do_syscall_64+0xc6/0x1e0 [18172.295697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18172.295697][ T7704] [18172.297892][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18172.297892][ T7704] netdev_get_by_index+0x5e/0x80 [18172.297892][ T7704] fib6_nh_init+0x3d8/0x15b0 [18172.297892][ T7704] ip6_route_info_create+0xf18/0x17d0 [18172.297892][ T7704] ip6_route_add+0x1c/0x140 [18172.297892][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18172.297892][ T7704] addrconf_add_dev+0xe2/0x170 [18172.297892][ T7704] inet6_addr_add+0x12f/0xa40 [18172.297892][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18172.297892][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18172.297892][ T7704] netlink_rcv_skb+0x130/0x360 [18172.297892][ T7704] netlink_unicast+0x449/0x710 [18172.297892][ T7704] netlink_sendmsg+0x723/0xbe0 [18172.297892][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18172.297892][ T7704] ___sys_sendmsg+0xee/0x170 [18172.297892][ T7704] __sys_sendmsg+0xcd/0x170 [18172.297892][ T7704] do_syscall_64+0xc6/0x1e0 [18172.297892][ T7704] [18172.300043][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18172.300043][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18172.300043][ T7704] ipv6_find_idev+0x102/0x170 [18172.300043][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18172.300043][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18172.300043][ T7704] netlink_rcv_skb+0x130/0x360 [18172.300043][ T7704] netlink_unicast+0x449/0x710 [18172.300043][ T7704] netlink_sendmsg+0x723/0xbe0 [18172.300043][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18172.300043][ T7704] ___sys_sendmsg+0xee/0x170 [18172.300043][ T7704] __sys_sendmsg+0xcd/0x170 [18172.300043][ T7704] do_syscall_64+0xc6/0x1e0 [18172.300043][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18172.300043][ T7704] [18172.301699][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18172.301699][ T7704] neigh_parms_alloc+0x1e5/0x510 [18172.301699][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18172.301699][ T7704] ipv6_find_idev+0x102/0x170 [18172.301699][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18172.301699][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18172.301699][ T7704] netlink_rcv_skb+0x130/0x360 [18172.301699][ T7704] netlink_unicast+0x449/0x710 [18172.301699][ T7704] netlink_sendmsg+0x723/0xbe0 [18172.301699][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18172.301699][ T7704] ___sys_sendmsg+0xee/0x170 [18172.301699][ T7704] __sys_sendmsg+0xcd/0x170 [18172.301699][ T7704] do_syscall_64+0xc6/0x1e0 [18172.301699][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18172.301699][ T7704] [18182.516865][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18182.517593][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18182.517593][ T7704] netdev_get_by_index+0x5e/0x80 [18182.517593][ T7704] fib6_nh_init+0x3d8/0x15b0 [18182.517593][ T7704] ip6_route_info_create+0xf18/0x17d0 [18182.517593][ T7704] ip6_route_add+0x1c/0x140 [18182.517593][ T7704] addrconf_prefix_route+0x2a6/0x430 [18182.517593][ T7704] inet6_addr_add+0x4f8/0xa40 [18182.517593][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18182.517593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18182.517593][ T7704] netlink_rcv_skb+0x130/0x360 [18182.517593][ T7704] netlink_unicast+0x449/0x710 [18182.517593][ T7704] netlink_sendmsg+0x723/0xbe0 [18182.517593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18182.517593][ T7704] ___sys_sendmsg+0xee/0x170 [18182.517593][ T7704] __sys_sendmsg+0xcd/0x170 [18182.517593][ T7704] do_syscall_64+0xc6/0x1e0 [18182.517593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18182.517593][ T7704] [18182.519874][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18182.519874][ T7704] netdev_get_by_index+0x5e/0x80 [18182.519874][ T7704] fib6_nh_init+0x3d8/0x15b0 [18182.519874][ T7704] ip6_route_info_create+0xf18/0x17d0 [18182.519874][ T7704] addrconf_f6i_alloc+0x315/0x560 [18182.519874][ T7704] ipv6_add_addr+0x411/0x2000 [18182.519874][ T7704] inet6_addr_add+0x30e/0xa40 [18182.519874][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18182.519874][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18182.519874][ T7704] netlink_rcv_skb+0x130/0x360 [18182.519874][ T7704] netlink_unicast+0x449/0x710 [18182.519874][ T7704] netlink_sendmsg+0x723/0xbe0 [18182.519874][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18182.519874][ T7704] ___sys_sendmsg+0xee/0x170 [18182.519874][ T7704] __sys_sendmsg+0xcd/0x170 [18182.519874][ T7704] do_syscall_64+0xc6/0x1e0 [18182.519874][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18182.519874][ T7704] [18182.522107][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18182.522107][ T7704] netdev_get_by_index+0x5e/0x80 [18182.522107][ T7704] fib6_nh_init+0x3d8/0x15b0 [18182.522107][ T7704] ip6_route_info_create+0xf18/0x17d0 [18182.522107][ T7704] ip6_route_add+0x1c/0x140 [18182.522107][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18182.522107][ T7704] addrconf_add_dev+0xe2/0x170 [18182.522107][ T7704] inet6_addr_add+0x12f/0xa40 [18182.522107][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18182.522107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18182.522107][ T7704] netlink_rcv_skb+0x130/0x360 [18182.522107][ T7704] netlink_unicast+0x449/0x710 [18182.522107][ T7704] netlink_sendmsg+0x723/0xbe0 [18182.522107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18182.522107][ T7704] ___sys_sendmsg+0xee/0x170 [18182.522107][ T7704] __sys_sendmsg+0xcd/0x170 [18182.522107][ T7704] do_syscall_64+0xc6/0x1e0 [18182.522107][ T7704] [18182.524280][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18182.524280][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18182.524280][ T7704] ipv6_find_idev+0x102/0x170 [18182.524280][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18182.524280][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18182.524280][ T7704] netlink_rcv_skb+0x130/0x360 [18182.524280][ T7704] netlink_unicast+0x449/0x710 [18182.524280][ T7704] netlink_sendmsg+0x723/0xbe0 [18182.524280][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18182.524280][ T7704] ___sys_sendmsg+0xee/0x170 [18182.524280][ T7704] __sys_sendmsg+0xcd/0x170 [18182.524280][ T7704] do_syscall_64+0xc6/0x1e0 [18182.524280][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18182.524280][ T7704] [18182.525975][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18182.525975][ T7704] neigh_parms_alloc+0x1e5/0x510 [18182.525975][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18182.525975][ T7704] ipv6_find_idev+0x102/0x170 [18182.525975][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18182.525975][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18182.525975][ T7704] netlink_rcv_skb+0x130/0x360 [18182.525975][ T7704] netlink_unicast+0x449/0x710 [18182.525975][ T7704] netlink_sendmsg+0x723/0xbe0 [18182.525975][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18182.525975][ T7704] ___sys_sendmsg+0xee/0x170 [18182.525975][ T7704] __sys_sendmsg+0xcd/0x170 [18182.525975][ T7704] do_syscall_64+0xc6/0x1e0 [18182.525975][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18182.525975][ T7704] [18192.764892][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18192.765651][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18192.765651][ T7704] netdev_get_by_index+0x5e/0x80 [18192.765651][ T7704] fib6_nh_init+0x3d8/0x15b0 [18192.765651][ T7704] ip6_route_info_create+0xf18/0x17d0 [18192.765651][ T7704] ip6_route_add+0x1c/0x140 [18192.765651][ T7704] addrconf_prefix_route+0x2a6/0x430 [18192.765651][ T7704] inet6_addr_add+0x4f8/0xa40 [18192.765651][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18192.765651][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18192.765651][ T7704] netlink_rcv_skb+0x130/0x360 [18192.765651][ T7704] netlink_unicast+0x449/0x710 [18192.765651][ T7704] netlink_sendmsg+0x723/0xbe0 [18192.765651][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18192.765651][ T7704] ___sys_sendmsg+0xee/0x170 [18192.765651][ T7704] __sys_sendmsg+0xcd/0x170 [18192.765651][ T7704] do_syscall_64+0xc6/0x1e0 [18192.765651][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18192.765651][ T7704] [18192.767898][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18192.767898][ T7704] netdev_get_by_index+0x5e/0x80 [18192.767898][ T7704] fib6_nh_init+0x3d8/0x15b0 [18192.767898][ T7704] ip6_route_info_create+0xf18/0x17d0 [18192.767898][ T7704] addrconf_f6i_alloc+0x315/0x560 [18192.767898][ T7704] ipv6_add_addr+0x411/0x2000 [18192.767898][ T7704] inet6_addr_add+0x30e/0xa40 [18192.767898][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18192.767898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18192.767898][ T7704] netlink_rcv_skb+0x130/0x360 [18192.767898][ T7704] netlink_unicast+0x449/0x710 [18192.767898][ T7704] netlink_sendmsg+0x723/0xbe0 [18192.767898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18192.767898][ T7704] ___sys_sendmsg+0xee/0x170 [18192.767898][ T7704] __sys_sendmsg+0xcd/0x170 [18192.767898][ T7704] do_syscall_64+0xc6/0x1e0 [18192.767898][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18192.767898][ T7704] [18192.770085][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18192.770085][ T7704] netdev_get_by_index+0x5e/0x80 [18192.770085][ T7704] fib6_nh_init+0x3d8/0x15b0 [18192.770085][ T7704] ip6_route_info_create+0xf18/0x17d0 [18192.770085][ T7704] ip6_route_add+0x1c/0x140 [18192.770085][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18192.770085][ T7704] addrconf_add_dev+0xe2/0x170 [18192.770085][ T7704] inet6_addr_add+0x12f/0xa40 [18192.770085][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18192.770085][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18192.770085][ T7704] netlink_rcv_skb+0x130/0x360 [18192.770085][ T7704] netlink_unicast+0x449/0x710 [18192.770085][ T7704] netlink_sendmsg+0x723/0xbe0 [18192.770085][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18192.770085][ T7704] ___sys_sendmsg+0xee/0x170 [18192.770085][ T7704] __sys_sendmsg+0xcd/0x170 [18192.770085][ T7704] do_syscall_64+0xc6/0x1e0 [18192.770085][ T7704] [18192.772228][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18192.772228][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18192.772228][ T7704] ipv6_find_idev+0x102/0x170 [18192.772228][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18192.772228][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18192.772228][ T7704] netlink_rcv_skb+0x130/0x360 [18192.772228][ T7704] netlink_unicast+0x449/0x710 [18192.772228][ T7704] netlink_sendmsg+0x723/0xbe0 [18192.772228][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18192.772228][ T7704] ___sys_sendmsg+0xee/0x170 [18192.772228][ T7704] __sys_sendmsg+0xcd/0x170 [18192.772228][ T7704] do_syscall_64+0xc6/0x1e0 [18192.772228][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18192.772228][ T7704] [18192.773904][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18192.773904][ T7704] neigh_parms_alloc+0x1e5/0x510 [18192.773904][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18192.773904][ T7704] ipv6_find_idev+0x102/0x170 [18192.773904][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18192.773904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18192.773904][ T7704] netlink_rcv_skb+0x130/0x360 [18192.773904][ T7704] netlink_unicast+0x449/0x710 [18192.773904][ T7704] netlink_sendmsg+0x723/0xbe0 [18192.773904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18192.773904][ T7704] ___sys_sendmsg+0xee/0x170 [18192.773904][ T7704] __sys_sendmsg+0xcd/0x170 [18192.773904][ T7704] do_syscall_64+0xc6/0x1e0 [18192.773904][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18192.773904][ T7704] [18203.012906][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18203.013511][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18203.013511][ T7704] netdev_get_by_index+0x5e/0x80 [18203.013511][ T7704] fib6_nh_init+0x3d8/0x15b0 [18203.013511][ T7704] ip6_route_info_create+0xf18/0x17d0 [18203.013511][ T7704] ip6_route_add+0x1c/0x140 [18203.013511][ T7704] addrconf_prefix_route+0x2a6/0x430 [18203.013511][ T7704] inet6_addr_add+0x4f8/0xa40 [18203.013511][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18203.013511][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18203.013511][ T7704] netlink_rcv_skb+0x130/0x360 [18203.013511][ T7704] netlink_unicast+0x449/0x710 [18203.013511][ T7704] netlink_sendmsg+0x723/0xbe0 [18203.013511][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18203.013511][ T7704] ___sys_sendmsg+0xee/0x170 [18203.013511][ T7704] __sys_sendmsg+0xcd/0x170 [18203.013511][ T7704] do_syscall_64+0xc6/0x1e0 [18203.013511][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18203.013511][ T7704] [18203.015720][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18203.015720][ T7704] netdev_get_by_index+0x5e/0x80 [18203.015720][ T7704] fib6_nh_init+0x3d8/0x15b0 [18203.015720][ T7704] ip6_route_info_create+0xf18/0x17d0 [18203.015720][ T7704] addrconf_f6i_alloc+0x315/0x560 [18203.015720][ T7704] ipv6_add_addr+0x411/0x2000 [18203.015720][ T7704] inet6_addr_add+0x30e/0xa40 [18203.015720][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18203.015720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18203.015720][ T7704] netlink_rcv_skb+0x130/0x360 [18203.015720][ T7704] netlink_unicast+0x449/0x710 [18203.015720][ T7704] netlink_sendmsg+0x723/0xbe0 [18203.015720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18203.015720][ T7704] ___sys_sendmsg+0xee/0x170 [18203.015720][ T7704] __sys_sendmsg+0xcd/0x170 [18203.015720][ T7704] do_syscall_64+0xc6/0x1e0 [18203.015720][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18203.015720][ T7704] [18203.017897][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18203.017897][ T7704] netdev_get_by_index+0x5e/0x80 [18203.017897][ T7704] fib6_nh_init+0x3d8/0x15b0 [18203.017897][ T7704] ip6_route_info_create+0xf18/0x17d0 [18203.017897][ T7704] ip6_route_add+0x1c/0x140 [18203.017897][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18203.017897][ T7704] addrconf_add_dev+0xe2/0x170 [18203.017897][ T7704] inet6_addr_add+0x12f/0xa40 [18203.017897][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18203.017897][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18203.017897][ T7704] netlink_rcv_skb+0x130/0x360 [18203.017897][ T7704] netlink_unicast+0x449/0x710 [18203.017897][ T7704] netlink_sendmsg+0x723/0xbe0 [18203.017897][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18203.017897][ T7704] ___sys_sendmsg+0xee/0x170 [18203.017897][ T7704] __sys_sendmsg+0xcd/0x170 [18203.017897][ T7704] do_syscall_64+0xc6/0x1e0 [18203.017897][ T7704] [18203.020024][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18203.020024][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18203.020024][ T7704] ipv6_find_idev+0x102/0x170 [18203.020024][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18203.020024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18203.020024][ T7704] netlink_rcv_skb+0x130/0x360 [18203.020024][ T7704] netlink_unicast+0x449/0x710 [18203.020024][ T7704] netlink_sendmsg+0x723/0xbe0 [18203.020024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18203.020024][ T7704] ___sys_sendmsg+0xee/0x170 [18203.020024][ T7704] __sys_sendmsg+0xcd/0x170 [18203.020024][ T7704] do_syscall_64+0xc6/0x1e0 [18203.020024][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18203.020024][ T7704] [18203.021727][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18203.021727][ T7704] neigh_parms_alloc+0x1e5/0x510 [18203.021727][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18203.021727][ T7704] ipv6_find_idev+0x102/0x170 [18203.021727][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18203.021727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18203.021727][ T7704] netlink_rcv_skb+0x130/0x360 [18203.021727][ T7704] netlink_unicast+0x449/0x710 [18203.021727][ T7704] netlink_sendmsg+0x723/0xbe0 [18203.021727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18203.021727][ T7704] ___sys_sendmsg+0xee/0x170 [18203.021727][ T7704] __sys_sendmsg+0xcd/0x170 [18203.021727][ T7704] do_syscall_64+0xc6/0x1e0 [18203.021727][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18203.021727][ T7704] [18213.164805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18213.165299][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18213.165299][ T7704] netdev_get_by_index+0x5e/0x80 [18213.165299][ T7704] fib6_nh_init+0x3d8/0x15b0 [18213.165299][ T7704] ip6_route_info_create+0xf18/0x17d0 [18213.165299][ T7704] ip6_route_add+0x1c/0x140 [18213.165299][ T7704] addrconf_prefix_route+0x2a6/0x430 [18213.165299][ T7704] inet6_addr_add+0x4f8/0xa40 [18213.165299][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18213.165299][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18213.165299][ T7704] netlink_rcv_skb+0x130/0x360 [18213.165299][ T7704] netlink_unicast+0x449/0x710 [18213.165299][ T7704] netlink_sendmsg+0x723/0xbe0 [18213.165299][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18213.165299][ T7704] ___sys_sendmsg+0xee/0x170 [18213.165299][ T7704] __sys_sendmsg+0xcd/0x170 [18213.165299][ T7704] do_syscall_64+0xc6/0x1e0 [18213.165299][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18213.165299][ T7704] [18213.167545][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18213.167545][ T7704] netdev_get_by_index+0x5e/0x80 [18213.167545][ T7704] fib6_nh_init+0x3d8/0x15b0 [18213.167545][ T7704] ip6_route_info_create+0xf18/0x17d0 [18213.167545][ T7704] addrconf_f6i_alloc+0x315/0x560 [18213.167545][ T7704] ipv6_add_addr+0x411/0x2000 [18213.167545][ T7704] inet6_addr_add+0x30e/0xa40 [18213.167545][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18213.167545][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18213.167545][ T7704] netlink_rcv_skb+0x130/0x360 [18213.167545][ T7704] netlink_unicast+0x449/0x710 [18213.167545][ T7704] netlink_sendmsg+0x723/0xbe0 [18213.167545][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18213.167545][ T7704] ___sys_sendmsg+0xee/0x170 [18213.167545][ T7704] __sys_sendmsg+0xcd/0x170 [18213.167545][ T7704] do_syscall_64+0xc6/0x1e0 [18213.167545][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18213.167545][ T7704] [18213.169732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18213.169732][ T7704] netdev_get_by_index+0x5e/0x80 [18213.169732][ T7704] fib6_nh_init+0x3d8/0x15b0 [18213.169732][ T7704] ip6_route_info_create+0xf18/0x17d0 [18213.169732][ T7704] ip6_route_add+0x1c/0x140 [18213.169732][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18213.169732][ T7704] addrconf_add_dev+0xe2/0x170 [18213.169732][ T7704] inet6_addr_add+0x12f/0xa40 [18213.169732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18213.169732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18213.169732][ T7704] netlink_rcv_skb+0x130/0x360 [18213.169732][ T7704] netlink_unicast+0x449/0x710 [18213.169732][ T7704] netlink_sendmsg+0x723/0xbe0 [18213.169732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18213.169732][ T7704] ___sys_sendmsg+0xee/0x170 [18213.169732][ T7704] __sys_sendmsg+0xcd/0x170 [18213.169732][ T7704] do_syscall_64+0xc6/0x1e0 [18213.169732][ T7704] [18213.172246][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18213.172246][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18213.172246][ T7704] ipv6_find_idev+0x102/0x170 [18213.172246][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18213.172246][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18213.172246][ T7704] netlink_rcv_skb+0x130/0x360 [18213.172246][ T7704] netlink_unicast+0x449/0x710 [18213.172246][ T7704] netlink_sendmsg+0x723/0xbe0 [18213.172246][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18213.172246][ T7704] ___sys_sendmsg+0xee/0x170 [18213.172246][ T7704] __sys_sendmsg+0xcd/0x170 [18213.172246][ T7704] do_syscall_64+0xc6/0x1e0 [18213.172246][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18213.172246][ T7704] [18213.174430][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18213.174430][ T7704] neigh_parms_alloc+0x1e5/0x510 [18213.174430][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18213.174430][ T7704] ipv6_find_idev+0x102/0x170 [18213.174430][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18213.174430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18213.174430][ T7704] netlink_rcv_skb+0x130/0x360 [18213.174430][ T7704] netlink_unicast+0x449/0x710 [18213.174430][ T7704] netlink_sendmsg+0x723/0xbe0 [18213.174430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18213.174430][ T7704] ___sys_sendmsg+0xee/0x170 [18213.174430][ T7704] __sys_sendmsg+0xcd/0x170 [18213.174430][ T7704] do_syscall_64+0xc6/0x1e0 [18213.174430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18213.174430][ T7704] [18223.428982][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18223.429718][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18223.429718][ T7704] netdev_get_by_index+0x5e/0x80 [18223.429718][ T7704] fib6_nh_init+0x3d8/0x15b0 [18223.429718][ T7704] ip6_route_info_create+0xf18/0x17d0 [18223.429718][ T7704] ip6_route_add+0x1c/0x140 [18223.429718][ T7704] addrconf_prefix_route+0x2a6/0x430 [18223.429718][ T7704] inet6_addr_add+0x4f8/0xa40 [18223.429718][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18223.429718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18223.429718][ T7704] netlink_rcv_skb+0x130/0x360 [18223.429718][ T7704] netlink_unicast+0x449/0x710 [18223.429718][ T7704] netlink_sendmsg+0x723/0xbe0 [18223.429718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18223.429718][ T7704] ___sys_sendmsg+0xee/0x170 [18223.429718][ T7704] __sys_sendmsg+0xcd/0x170 [18223.429718][ T7704] do_syscall_64+0xc6/0x1e0 [18223.429718][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18223.429718][ T7704] [18223.431923][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18223.431923][ T7704] netdev_get_by_index+0x5e/0x80 [18223.431923][ T7704] fib6_nh_init+0x3d8/0x15b0 [18223.431923][ T7704] ip6_route_info_create+0xf18/0x17d0 [18223.431923][ T7704] addrconf_f6i_alloc+0x315/0x560 [18223.431923][ T7704] ipv6_add_addr+0x411/0x2000 [18223.431923][ T7704] inet6_addr_add+0x30e/0xa40 [18223.431923][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18223.431923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18223.431923][ T7704] netlink_rcv_skb+0x130/0x360 [18223.431923][ T7704] netlink_unicast+0x449/0x710 [18223.431923][ T7704] netlink_sendmsg+0x723/0xbe0 [18223.431923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18223.431923][ T7704] ___sys_sendmsg+0xee/0x170 [18223.431923][ T7704] __sys_sendmsg+0xcd/0x170 [18223.431923][ T7704] do_syscall_64+0xc6/0x1e0 [18223.431923][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18223.431923][ T7704] [18223.434086][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18223.434086][ T7704] netdev_get_by_index+0x5e/0x80 [18223.434086][ T7704] fib6_nh_init+0x3d8/0x15b0 [18223.434086][ T7704] ip6_route_info_create+0xf18/0x17d0 [18223.434086][ T7704] ip6_route_add+0x1c/0x140 [18223.434086][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18223.434086][ T7704] addrconf_add_dev+0xe2/0x170 [18223.434086][ T7704] inet6_addr_add+0x12f/0xa40 [18223.434086][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18223.434086][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18223.434086][ T7704] netlink_rcv_skb+0x130/0x360 [18223.434086][ T7704] netlink_unicast+0x449/0x710 [18223.434086][ T7704] netlink_sendmsg+0x723/0xbe0 [18223.434086][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18223.434086][ T7704] ___sys_sendmsg+0xee/0x170 [18223.434086][ T7704] __sys_sendmsg+0xcd/0x170 [18223.434086][ T7704] do_syscall_64+0xc6/0x1e0 [18223.434086][ T7704] [18223.436290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18223.436290][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18223.436290][ T7704] ipv6_find_idev+0x102/0x170 [18223.436290][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18223.436290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18223.436290][ T7704] netlink_rcv_skb+0x130/0x360 [18223.436290][ T7704] netlink_unicast+0x449/0x710 [18223.436290][ T7704] netlink_sendmsg+0x723/0xbe0 [18223.436290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18223.436290][ T7704] ___sys_sendmsg+0xee/0x170 [18223.436290][ T7704] __sys_sendmsg+0xcd/0x170 [18223.436290][ T7704] do_syscall_64+0xc6/0x1e0 [18223.436290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18223.436290][ T7704] [18223.438026][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18223.438026][ T7704] neigh_parms_alloc+0x1e5/0x510 [18223.438026][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18223.438026][ T7704] ipv6_find_idev+0x102/0x170 [18223.438026][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18223.438026][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18223.438026][ T7704] netlink_rcv_skb+0x130/0x360 [18223.438026][ T7704] netlink_unicast+0x449/0x710 [18223.438026][ T7704] netlink_sendmsg+0x723/0xbe0 [18223.438026][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18223.438026][ T7704] ___sys_sendmsg+0xee/0x170 [18223.438026][ T7704] __sys_sendmsg+0xcd/0x170 [18223.438026][ T7704] do_syscall_64+0xc6/0x1e0 [18223.438026][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18223.438026][ T7704] [18233.476804][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18233.477338][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18233.477338][ T7704] netdev_get_by_index+0x5e/0x80 [18233.477338][ T7704] fib6_nh_init+0x3d8/0x15b0 [18233.477338][ T7704] ip6_route_info_create+0xf18/0x17d0 [18233.477338][ T7704] ip6_route_add+0x1c/0x140 [18233.477338][ T7704] addrconf_prefix_route+0x2a6/0x430 [18233.477338][ T7704] inet6_addr_add+0x4f8/0xa40 [18233.477338][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18233.477338][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18233.477338][ T7704] netlink_rcv_skb+0x130/0x360 [18233.477338][ T7704] netlink_unicast+0x449/0x710 [18233.477338][ T7704] netlink_sendmsg+0x723/0xbe0 [18233.477338][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18233.477338][ T7704] ___sys_sendmsg+0xee/0x170 [18233.477338][ T7704] __sys_sendmsg+0xcd/0x170 [18233.477338][ T7704] do_syscall_64+0xc6/0x1e0 [18233.477338][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18233.477338][ T7704] [18233.479571][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18233.479571][ T7704] netdev_get_by_index+0x5e/0x80 [18233.479571][ T7704] fib6_nh_init+0x3d8/0x15b0 [18233.479571][ T7704] ip6_route_info_create+0xf18/0x17d0 [18233.479571][ T7704] addrconf_f6i_alloc+0x315/0x560 [18233.479571][ T7704] ipv6_add_addr+0x411/0x2000 [18233.479571][ T7704] inet6_addr_add+0x30e/0xa40 [18233.479571][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18233.479571][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18233.479571][ T7704] netlink_rcv_skb+0x130/0x360 [18233.479571][ T7704] netlink_unicast+0x449/0x710 [18233.479571][ T7704] netlink_sendmsg+0x723/0xbe0 [18233.479571][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18233.479571][ T7704] ___sys_sendmsg+0xee/0x170 [18233.479571][ T7704] __sys_sendmsg+0xcd/0x170 [18233.479571][ T7704] do_syscall_64+0xc6/0x1e0 [18233.479571][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18233.479571][ T7704] [18233.481797][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18233.481797][ T7704] netdev_get_by_index+0x5e/0x80 [18233.481797][ T7704] fib6_nh_init+0x3d8/0x15b0 [18233.481797][ T7704] ip6_route_info_create+0xf18/0x17d0 [18233.481797][ T7704] ip6_route_add+0x1c/0x140 [18233.481797][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18233.481797][ T7704] addrconf_add_dev+0xe2/0x170 [18233.481797][ T7704] inet6_addr_add+0x12f/0xa40 [18233.481797][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18233.481797][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18233.481797][ T7704] netlink_rcv_skb+0x130/0x360 [18233.481797][ T7704] netlink_unicast+0x449/0x710 [18233.481797][ T7704] netlink_sendmsg+0x723/0xbe0 [18233.481797][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18233.481797][ T7704] ___sys_sendmsg+0xee/0x170 [18233.481797][ T7704] __sys_sendmsg+0xcd/0x170 [18233.481797][ T7704] do_syscall_64+0xc6/0x1e0 [18233.481797][ T7704] [18233.483928][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18233.483928][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18233.483928][ T7704] ipv6_find_idev+0x102/0x170 [18233.483928][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18233.483928][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18233.483928][ T7704] netlink_rcv_skb+0x130/0x360 [18233.483928][ T7704] netlink_unicast+0x449/0x710 [18233.483928][ T7704] netlink_sendmsg+0x723/0xbe0 [18233.483928][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18233.483928][ T7704] ___sys_sendmsg+0xee/0x170 [18233.483928][ T7704] __sys_sendmsg+0xcd/0x170 [18233.483928][ T7704] do_syscall_64+0xc6/0x1e0 [18233.483928][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18233.483928][ T7704] [18233.485613][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18233.485613][ T7704] neigh_parms_alloc+0x1e5/0x510 [18233.485613][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18233.485613][ T7704] ipv6_find_idev+0x102/0x170 [18233.485613][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18233.485613][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18233.485613][ T7704] netlink_rcv_skb+0x130/0x360 [18233.485613][ T7704] netlink_unicast+0x449/0x710 [18233.485613][ T7704] netlink_sendmsg+0x723/0xbe0 [18233.485613][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18233.485613][ T7704] ___sys_sendmsg+0xee/0x170 [18233.485613][ T7704] __sys_sendmsg+0xcd/0x170 [18233.485613][ T7704] do_syscall_64+0xc6/0x1e0 [18233.485613][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18233.485613][ T7704] [18243.636913][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18243.637677][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18243.637677][ T7704] netdev_get_by_index+0x5e/0x80 [18243.637677][ T7704] fib6_nh_init+0x3d8/0x15b0 [18243.637677][ T7704] ip6_route_info_create+0xf18/0x17d0 [18243.637677][ T7704] ip6_route_add+0x1c/0x140 [18243.637677][ T7704] addrconf_prefix_route+0x2a6/0x430 [18243.637677][ T7704] inet6_addr_add+0x4f8/0xa40 [18243.637677][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18243.637677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18243.637677][ T7704] netlink_rcv_skb+0x130/0x360 [18243.637677][ T7704] netlink_unicast+0x449/0x710 [18243.637677][ T7704] netlink_sendmsg+0x723/0xbe0 [18243.637677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18243.637677][ T7704] ___sys_sendmsg+0xee/0x170 [18243.637677][ T7704] __sys_sendmsg+0xcd/0x170 [18243.637677][ T7704] do_syscall_64+0xc6/0x1e0 [18243.637677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18243.637677][ T7704] [18243.640010][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18243.640010][ T7704] netdev_get_by_index+0x5e/0x80 [18243.640010][ T7704] fib6_nh_init+0x3d8/0x15b0 [18243.640010][ T7704] ip6_route_info_create+0xf18/0x17d0 [18243.640010][ T7704] addrconf_f6i_alloc+0x315/0x560 [18243.640010][ T7704] ipv6_add_addr+0x411/0x2000 [18243.640010][ T7704] inet6_addr_add+0x30e/0xa40 [18243.640010][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18243.640010][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18243.640010][ T7704] netlink_rcv_skb+0x130/0x360 [18243.640010][ T7704] netlink_unicast+0x449/0x710 [18243.640010][ T7704] netlink_sendmsg+0x723/0xbe0 [18243.640010][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18243.640010][ T7704] ___sys_sendmsg+0xee/0x170 [18243.640010][ T7704] __sys_sendmsg+0xcd/0x170 [18243.640010][ T7704] do_syscall_64+0xc6/0x1e0 [18243.640010][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18243.640010][ T7704] [18243.642352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18243.642352][ T7704] netdev_get_by_index+0x5e/0x80 [18243.642352][ T7704] fib6_nh_init+0x3d8/0x15b0 [18243.642352][ T7704] ip6_route_info_create+0xf18/0x17d0 [18243.642352][ T7704] ip6_route_add+0x1c/0x140 [18243.642352][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18243.642352][ T7704] addrconf_add_dev+0xe2/0x170 [18243.642352][ T7704] inet6_addr_add+0x12f/0xa40 [18243.642352][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18243.642352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18243.642352][ T7704] netlink_rcv_skb+0x130/0x360 [18243.642352][ T7704] netlink_unicast+0x449/0x710 [18243.642352][ T7704] netlink_sendmsg+0x723/0xbe0 [18243.642352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18243.642352][ T7704] ___sys_sendmsg+0xee/0x170 [18243.642352][ T7704] __sys_sendmsg+0xcd/0x170 [18243.642352][ T7704] do_syscall_64+0xc6/0x1e0 [18243.642352][ T7704] [18243.644587][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18243.644587][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18243.644587][ T7704] ipv6_find_idev+0x102/0x170 [18243.644587][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18243.644587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18243.644587][ T7704] netlink_rcv_skb+0x130/0x360 [18243.644587][ T7704] netlink_unicast+0x449/0x710 [18243.644587][ T7704] netlink_sendmsg+0x723/0xbe0 [18243.644587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18243.644587][ T7704] ___sys_sendmsg+0xee/0x170 [18243.644587][ T7704] __sys_sendmsg+0xcd/0x170 [18243.644587][ T7704] do_syscall_64+0xc6/0x1e0 [18243.644587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18243.644587][ T7704] [18243.646315][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18243.646315][ T7704] neigh_parms_alloc+0x1e5/0x510 [18243.646315][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18243.646315][ T7704] ipv6_find_idev+0x102/0x170 [18243.646315][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18243.646315][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18243.646315][ T7704] netlink_rcv_skb+0x130/0x360 [18243.646315][ T7704] netlink_unicast+0x449/0x710 [18243.646315][ T7704] netlink_sendmsg+0x723/0xbe0 [18243.646315][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18243.646315][ T7704] ___sys_sendmsg+0xee/0x170 [18243.646315][ T7704] __sys_sendmsg+0xcd/0x170 [18243.646315][ T7704] do_syscall_64+0xc6/0x1e0 [18243.646315][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18243.646315][ T7704] [18253.708881][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18253.709641][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18253.709641][ T7704] netdev_get_by_index+0x5e/0x80 [18253.709641][ T7704] fib6_nh_init+0x3d8/0x15b0 [18253.709641][ T7704] ip6_route_info_create+0xf18/0x17d0 [18253.709641][ T7704] ip6_route_add+0x1c/0x140 [18253.709641][ T7704] addrconf_prefix_route+0x2a6/0x430 [18253.709641][ T7704] inet6_addr_add+0x4f8/0xa40 [18253.709641][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18253.709641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18253.709641][ T7704] netlink_rcv_skb+0x130/0x360 [18253.709641][ T7704] netlink_unicast+0x449/0x710 [18253.709641][ T7704] netlink_sendmsg+0x723/0xbe0 [18253.709641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18253.709641][ T7704] ___sys_sendmsg+0xee/0x170 [18253.709641][ T7704] __sys_sendmsg+0xcd/0x170 [18253.709641][ T7704] do_syscall_64+0xc6/0x1e0 [18253.709641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18253.709641][ T7704] [18253.711997][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18253.711997][ T7704] netdev_get_by_index+0x5e/0x80 [18253.711997][ T7704] fib6_nh_init+0x3d8/0x15b0 [18253.711997][ T7704] ip6_route_info_create+0xf18/0x17d0 [18253.711997][ T7704] addrconf_f6i_alloc+0x315/0x560 [18253.711997][ T7704] ipv6_add_addr+0x411/0x2000 [18253.711997][ T7704] inet6_addr_add+0x30e/0xa40 [18253.711997][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18253.711997][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18253.711997][ T7704] netlink_rcv_skb+0x130/0x360 [18253.711997][ T7704] netlink_unicast+0x449/0x710 [18253.711997][ T7704] netlink_sendmsg+0x723/0xbe0 [18253.711997][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18253.711997][ T7704] ___sys_sendmsg+0xee/0x170 [18253.711997][ T7704] __sys_sendmsg+0xcd/0x170 [18253.711997][ T7704] do_syscall_64+0xc6/0x1e0 [18253.711997][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18253.711997][ T7704] [18253.714293][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18253.714293][ T7704] netdev_get_by_index+0x5e/0x80 [18253.714293][ T7704] fib6_nh_init+0x3d8/0x15b0 [18253.714293][ T7704] ip6_route_info_create+0xf18/0x17d0 [18253.714293][ T7704] ip6_route_add+0x1c/0x140 [18253.714293][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18253.714293][ T7704] addrconf_add_dev+0xe2/0x170 [18253.714293][ T7704] inet6_addr_add+0x12f/0xa40 [18253.714293][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18253.714293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18253.714293][ T7704] netlink_rcv_skb+0x130/0x360 [18253.714293][ T7704] netlink_unicast+0x449/0x710 [18253.714293][ T7704] netlink_sendmsg+0x723/0xbe0 [18253.714293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18253.714293][ T7704] ___sys_sendmsg+0xee/0x170 [18253.714293][ T7704] __sys_sendmsg+0xcd/0x170 [18253.714293][ T7704] do_syscall_64+0xc6/0x1e0 [18253.714293][ T7704] [18253.716542][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18253.716542][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18253.716542][ T7704] ipv6_find_idev+0x102/0x170 [18253.716542][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18253.716542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18253.716542][ T7704] netlink_rcv_skb+0x130/0x360 [18253.716542][ T7704] netlink_unicast+0x449/0x710 [18253.716542][ T7704] netlink_sendmsg+0x723/0xbe0 [18253.716542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18253.716542][ T7704] ___sys_sendmsg+0xee/0x170 [18253.716542][ T7704] __sys_sendmsg+0xcd/0x170 [18253.716542][ T7704] do_syscall_64+0xc6/0x1e0 [18253.716542][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18253.716542][ T7704] [18253.718293][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18253.718293][ T7704] neigh_parms_alloc+0x1e5/0x510 [18253.718293][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18253.718293][ T7704] ipv6_find_idev+0x102/0x170 [18253.718293][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18253.718293][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18253.718293][ T7704] netlink_rcv_skb+0x130/0x360 [18253.718293][ T7704] netlink_unicast+0x449/0x710 [18253.718293][ T7704] netlink_sendmsg+0x723/0xbe0 [18253.718293][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18253.718293][ T7704] ___sys_sendmsg+0xee/0x170 [18253.718293][ T7704] __sys_sendmsg+0xcd/0x170 [18253.718293][ T7704] do_syscall_64+0xc6/0x1e0 [18253.718293][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18253.718293][ T7704] [18263.956911][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18263.957644][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18263.957644][ T7704] netdev_get_by_index+0x5e/0x80 [18263.957644][ T7704] fib6_nh_init+0x3d8/0x15b0 [18263.957644][ T7704] ip6_route_info_create+0xf18/0x17d0 [18263.957644][ T7704] ip6_route_add+0x1c/0x140 [18263.957644][ T7704] addrconf_prefix_route+0x2a6/0x430 [18263.957644][ T7704] inet6_addr_add+0x4f8/0xa40 [18263.957644][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18263.957644][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18263.957644][ T7704] netlink_rcv_skb+0x130/0x360 [18263.957644][ T7704] netlink_unicast+0x449/0x710 [18263.957644][ T7704] netlink_sendmsg+0x723/0xbe0 [18263.957644][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18263.957644][ T7704] ___sys_sendmsg+0xee/0x170 [18263.957644][ T7704] __sys_sendmsg+0xcd/0x170 [18263.957644][ T7704] do_syscall_64+0xc6/0x1e0 [18263.957644][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18263.957644][ T7704] [18263.959955][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18263.959955][ T7704] netdev_get_by_index+0x5e/0x80 [18263.959955][ T7704] fib6_nh_init+0x3d8/0x15b0 [18263.959955][ T7704] ip6_route_info_create+0xf18/0x17d0 [18263.959955][ T7704] addrconf_f6i_alloc+0x315/0x560 [18263.959955][ T7704] ipv6_add_addr+0x411/0x2000 [18263.959955][ T7704] inet6_addr_add+0x30e/0xa40 [18263.959955][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18263.959955][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18263.959955][ T7704] netlink_rcv_skb+0x130/0x360 [18263.959955][ T7704] netlink_unicast+0x449/0x710 [18263.959955][ T7704] netlink_sendmsg+0x723/0xbe0 [18263.959955][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18263.959955][ T7704] ___sys_sendmsg+0xee/0x170 [18263.959955][ T7704] __sys_sendmsg+0xcd/0x170 [18263.959955][ T7704] do_syscall_64+0xc6/0x1e0 [18263.959955][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18263.959955][ T7704] [18263.962281][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18263.962281][ T7704] netdev_get_by_index+0x5e/0x80 [18263.962281][ T7704] fib6_nh_init+0x3d8/0x15b0 [18263.962281][ T7704] ip6_route_info_create+0xf18/0x17d0 [18263.962281][ T7704] ip6_route_add+0x1c/0x140 [18263.962281][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18263.962281][ T7704] addrconf_add_dev+0xe2/0x170 [18263.962281][ T7704] inet6_addr_add+0x12f/0xa40 [18263.962281][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18263.962281][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18263.962281][ T7704] netlink_rcv_skb+0x130/0x360 [18263.962281][ T7704] netlink_unicast+0x449/0x710 [18263.962281][ T7704] netlink_sendmsg+0x723/0xbe0 [18263.962281][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18263.962281][ T7704] ___sys_sendmsg+0xee/0x170 [18263.962281][ T7704] __sys_sendmsg+0xcd/0x170 [18263.962281][ T7704] do_syscall_64+0xc6/0x1e0 [18263.962281][ T7704] [18263.964558][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18263.964558][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18263.964558][ T7704] ipv6_find_idev+0x102/0x170 [18263.964558][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18263.964558][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18263.964558][ T7704] netlink_rcv_skb+0x130/0x360 [18263.964558][ T7704] netlink_unicast+0x449/0x710 [18263.964558][ T7704] netlink_sendmsg+0x723/0xbe0 [18263.964558][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18263.964558][ T7704] ___sys_sendmsg+0xee/0x170 [18263.964558][ T7704] __sys_sendmsg+0xcd/0x170 [18263.964558][ T7704] do_syscall_64+0xc6/0x1e0 [18263.964558][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18263.964558][ T7704] [18263.966298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18263.966298][ T7704] neigh_parms_alloc+0x1e5/0x510 [18263.966298][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18263.966298][ T7704] ipv6_find_idev+0x102/0x170 [18263.966298][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18263.966298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18263.966298][ T7704] netlink_rcv_skb+0x130/0x360 [18263.966298][ T7704] netlink_unicast+0x449/0x710 [18263.966298][ T7704] netlink_sendmsg+0x723/0xbe0 [18263.966298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18263.966298][ T7704] ___sys_sendmsg+0xee/0x170 [18263.966298][ T7704] __sys_sendmsg+0xcd/0x170 [18263.966298][ T7704] do_syscall_64+0xc6/0x1e0 [18263.966298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18263.966298][ T7704] [18274.204930][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18274.205637][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18274.205637][ T7704] netdev_get_by_index+0x5e/0x80 [18274.205637][ T7704] fib6_nh_init+0x3d8/0x15b0 [18274.205637][ T7704] ip6_route_info_create+0xf18/0x17d0 [18274.205637][ T7704] ip6_route_add+0x1c/0x140 [18274.205637][ T7704] addrconf_prefix_route+0x2a6/0x430 [18274.205637][ T7704] inet6_addr_add+0x4f8/0xa40 [18274.205637][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18274.205637][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18274.205637][ T7704] netlink_rcv_skb+0x130/0x360 [18274.205637][ T7704] netlink_unicast+0x449/0x710 [18274.205637][ T7704] netlink_sendmsg+0x723/0xbe0 [18274.205637][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18274.205637][ T7704] ___sys_sendmsg+0xee/0x170 [18274.205637][ T7704] __sys_sendmsg+0xcd/0x170 [18274.205637][ T7704] do_syscall_64+0xc6/0x1e0 [18274.205637][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18274.205637][ T7704] [18274.208050][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18274.208050][ T7704] netdev_get_by_index+0x5e/0x80 [18274.208050][ T7704] fib6_nh_init+0x3d8/0x15b0 [18274.208050][ T7704] ip6_route_info_create+0xf18/0x17d0 [18274.208050][ T7704] addrconf_f6i_alloc+0x315/0x560 [18274.208050][ T7704] ipv6_add_addr+0x411/0x2000 [18274.208050][ T7704] inet6_addr_add+0x30e/0xa40 [18274.208050][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18274.208050][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18274.208050][ T7704] netlink_rcv_skb+0x130/0x360 [18274.208050][ T7704] netlink_unicast+0x449/0x710 [18274.208050][ T7704] netlink_sendmsg+0x723/0xbe0 [18274.208050][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18274.208050][ T7704] ___sys_sendmsg+0xee/0x170 [18274.208050][ T7704] __sys_sendmsg+0xcd/0x170 [18274.208050][ T7704] do_syscall_64+0xc6/0x1e0 [18274.208050][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18274.208050][ T7704] [18274.210346][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18274.210346][ T7704] netdev_get_by_index+0x5e/0x80 [18274.210346][ T7704] fib6_nh_init+0x3d8/0x15b0 [18274.210346][ T7704] ip6_route_info_create+0xf18/0x17d0 [18274.210346][ T7704] ip6_route_add+0x1c/0x140 [18274.210346][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18274.210346][ T7704] addrconf_add_dev+0xe2/0x170 [18274.210346][ T7704] inet6_addr_add+0x12f/0xa40 [18274.210346][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18274.210346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18274.210346][ T7704] netlink_rcv_skb+0x130/0x360 [18274.210346][ T7704] netlink_unicast+0x449/0x710 [18274.210346][ T7704] netlink_sendmsg+0x723/0xbe0 [18274.210346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18274.210346][ T7704] ___sys_sendmsg+0xee/0x170 [18274.210346][ T7704] __sys_sendmsg+0xcd/0x170 [18274.210346][ T7704] do_syscall_64+0xc6/0x1e0 [18274.210346][ T7704] [18274.212620][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18274.212620][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18274.212620][ T7704] ipv6_find_idev+0x102/0x170 [18274.212620][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18274.212620][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18274.212620][ T7704] netlink_rcv_skb+0x130/0x360 [18274.212620][ T7704] netlink_unicast+0x449/0x710 [18274.212620][ T7704] netlink_sendmsg+0x723/0xbe0 [18274.212620][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18274.212620][ T7704] ___sys_sendmsg+0xee/0x170 [18274.212620][ T7704] __sys_sendmsg+0xcd/0x170 [18274.212620][ T7704] do_syscall_64+0xc6/0x1e0 [18274.212620][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18274.212620][ T7704] [18274.214369][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18274.214369][ T7704] neigh_parms_alloc+0x1e5/0x510 [18274.214369][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18274.214369][ T7704] ipv6_find_idev+0x102/0x170 [18274.214369][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18274.214369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18274.214369][ T7704] netlink_rcv_skb+0x130/0x360 [18274.214369][ T7704] netlink_unicast+0x449/0x710 [18274.214369][ T7704] netlink_sendmsg+0x723/0xbe0 [18274.214369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18274.214369][ T7704] ___sys_sendmsg+0xee/0x170 [18274.214369][ T7704] __sys_sendmsg+0xcd/0x170 [18274.214369][ T7704] do_syscall_64+0xc6/0x1e0 [18274.214369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18274.214369][ T7704] [18284.452909][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18284.453551][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18284.453551][ T7704] netdev_get_by_index+0x5e/0x80 [18284.453551][ T7704] fib6_nh_init+0x3d8/0x15b0 [18284.453551][ T7704] ip6_route_info_create+0xf18/0x17d0 [18284.453551][ T7704] ip6_route_add+0x1c/0x140 [18284.453551][ T7704] addrconf_prefix_route+0x2a6/0x430 [18284.453551][ T7704] inet6_addr_add+0x4f8/0xa40 [18284.453551][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18284.453551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18284.453551][ T7704] netlink_rcv_skb+0x130/0x360 [18284.453551][ T7704] netlink_unicast+0x449/0x710 [18284.453551][ T7704] netlink_sendmsg+0x723/0xbe0 [18284.453551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18284.453551][ T7704] ___sys_sendmsg+0xee/0x170 [18284.453551][ T7704] __sys_sendmsg+0xcd/0x170 [18284.453551][ T7704] do_syscall_64+0xc6/0x1e0 [18284.453551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18284.453551][ T7704] [18284.455901][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18284.455901][ T7704] netdev_get_by_index+0x5e/0x80 [18284.455901][ T7704] fib6_nh_init+0x3d8/0x15b0 [18284.455901][ T7704] ip6_route_info_create+0xf18/0x17d0 [18284.455901][ T7704] addrconf_f6i_alloc+0x315/0x560 [18284.455901][ T7704] ipv6_add_addr+0x411/0x2000 [18284.455901][ T7704] inet6_addr_add+0x30e/0xa40 [18284.455901][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18284.455901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18284.455901][ T7704] netlink_rcv_skb+0x130/0x360 [18284.455901][ T7704] netlink_unicast+0x449/0x710 [18284.455901][ T7704] netlink_sendmsg+0x723/0xbe0 [18284.455901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18284.455901][ T7704] ___sys_sendmsg+0xee/0x170 [18284.455901][ T7704] __sys_sendmsg+0xcd/0x170 [18284.455901][ T7704] do_syscall_64+0xc6/0x1e0 [18284.455901][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18284.455901][ T7704] [18284.458232][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18284.458232][ T7704] netdev_get_by_index+0x5e/0x80 [18284.458232][ T7704] fib6_nh_init+0x3d8/0x15b0 [18284.458232][ T7704] ip6_route_info_create+0xf18/0x17d0 [18284.458232][ T7704] ip6_route_add+0x1c/0x140 [18284.458232][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18284.458232][ T7704] addrconf_add_dev+0xe2/0x170 [18284.458232][ T7704] inet6_addr_add+0x12f/0xa40 [18284.458232][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18284.458232][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18284.458232][ T7704] netlink_rcv_skb+0x130/0x360 [18284.458232][ T7704] netlink_unicast+0x449/0x710 [18284.458232][ T7704] netlink_sendmsg+0x723/0xbe0 [18284.458232][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18284.458232][ T7704] ___sys_sendmsg+0xee/0x170 [18284.458232][ T7704] __sys_sendmsg+0xcd/0x170 [18284.458232][ T7704] do_syscall_64+0xc6/0x1e0 [18284.458232][ T7704] [18284.460448][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18284.460448][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18284.460448][ T7704] ipv6_find_idev+0x102/0x170 [18284.460448][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18284.460448][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18284.460448][ T7704] netlink_rcv_skb+0x130/0x360 [18284.460448][ T7704] netlink_unicast+0x449/0x710 [18284.460448][ T7704] netlink_sendmsg+0x723/0xbe0 [18284.460448][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18284.460448][ T7704] ___sys_sendmsg+0xee/0x170 [18284.460448][ T7704] __sys_sendmsg+0xcd/0x170 [18284.460448][ T7704] do_syscall_64+0xc6/0x1e0 [18284.460448][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18284.460448][ T7704] [18284.462185][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18284.462185][ T7704] neigh_parms_alloc+0x1e5/0x510 [18284.462185][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18284.462185][ T7704] ipv6_find_idev+0x102/0x170 [18284.462185][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18284.462185][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18284.462185][ T7704] netlink_rcv_skb+0x130/0x360 [18284.462185][ T7704] netlink_unicast+0x449/0x710 [18284.462185][ T7704] netlink_sendmsg+0x723/0xbe0 [18284.462185][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18284.462185][ T7704] ___sys_sendmsg+0xee/0x170 [18284.462185][ T7704] __sys_sendmsg+0xcd/0x170 [18284.462185][ T7704] do_syscall_64+0xc6/0x1e0 [18284.462185][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18284.462185][ T7704] [18294.700897][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18294.701757][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18294.701757][ T7704] netdev_get_by_index+0x5e/0x80 [18294.701757][ T7704] fib6_nh_init+0x3d8/0x15b0 [18294.701757][ T7704] ip6_route_info_create+0xf18/0x17d0 [18294.701757][ T7704] ip6_route_add+0x1c/0x140 [18294.701757][ T7704] addrconf_prefix_route+0x2a6/0x430 [18294.701757][ T7704] inet6_addr_add+0x4f8/0xa40 [18294.701757][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18294.701757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18294.701757][ T7704] netlink_rcv_skb+0x130/0x360 [18294.701757][ T7704] netlink_unicast+0x449/0x710 [18294.701757][ T7704] netlink_sendmsg+0x723/0xbe0 [18294.701757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18294.701757][ T7704] ___sys_sendmsg+0xee/0x170 [18294.701757][ T7704] __sys_sendmsg+0xcd/0x170 [18294.701757][ T7704] do_syscall_64+0xc6/0x1e0 [18294.701757][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18294.701757][ T7704] [18294.703975][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18294.703975][ T7704] netdev_get_by_index+0x5e/0x80 [18294.703975][ T7704] fib6_nh_init+0x3d8/0x15b0 [18294.703975][ T7704] ip6_route_info_create+0xf18/0x17d0 [18294.703975][ T7704] addrconf_f6i_alloc+0x315/0x560 [18294.703975][ T7704] ipv6_add_addr+0x411/0x2000 [18294.703975][ T7704] inet6_addr_add+0x30e/0xa40 [18294.703975][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18294.703975][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18294.703975][ T7704] netlink_rcv_skb+0x130/0x360 [18294.703975][ T7704] netlink_unicast+0x449/0x710 [18294.703975][ T7704] netlink_sendmsg+0x723/0xbe0 [18294.703975][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18294.703975][ T7704] ___sys_sendmsg+0xee/0x170 [18294.703975][ T7704] __sys_sendmsg+0xcd/0x170 [18294.703975][ T7704] do_syscall_64+0xc6/0x1e0 [18294.703975][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18294.703975][ T7704] [18294.706161][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18294.706161][ T7704] netdev_get_by_index+0x5e/0x80 [18294.706161][ T7704] fib6_nh_init+0x3d8/0x15b0 [18294.706161][ T7704] ip6_route_info_create+0xf18/0x17d0 [18294.706161][ T7704] ip6_route_add+0x1c/0x140 [18294.706161][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18294.706161][ T7704] addrconf_add_dev+0xe2/0x170 [18294.706161][ T7704] inet6_addr_add+0x12f/0xa40 [18294.706161][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18294.706161][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18294.706161][ T7704] netlink_rcv_skb+0x130/0x360 [18294.706161][ T7704] netlink_unicast+0x449/0x710 [18294.706161][ T7704] netlink_sendmsg+0x723/0xbe0 [18294.706161][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18294.706161][ T7704] ___sys_sendmsg+0xee/0x170 [18294.706161][ T7704] __sys_sendmsg+0xcd/0x170 [18294.706161][ T7704] do_syscall_64+0xc6/0x1e0 [18294.706161][ T7704] [18294.708334][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18294.708334][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18294.708334][ T7704] ipv6_find_idev+0x102/0x170 [18294.708334][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18294.708334][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18294.708334][ T7704] netlink_rcv_skb+0x130/0x360 [18294.708334][ T7704] netlink_unicast+0x449/0x710 [18294.708334][ T7704] netlink_sendmsg+0x723/0xbe0 [18294.708334][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18294.708334][ T7704] ___sys_sendmsg+0xee/0x170 [18294.708334][ T7704] __sys_sendmsg+0xcd/0x170 [18294.708334][ T7704] do_syscall_64+0xc6/0x1e0 [18294.708334][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18294.708334][ T7704] [18294.710015][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18294.710015][ T7704] neigh_parms_alloc+0x1e5/0x510 [18294.710015][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18294.710015][ T7704] ipv6_find_idev+0x102/0x170 [18294.710015][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18294.710015][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18294.710015][ T7704] netlink_rcv_skb+0x130/0x360 [18294.710015][ T7704] netlink_unicast+0x449/0x710 [18294.710015][ T7704] netlink_sendmsg+0x723/0xbe0 [18294.710015][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18294.710015][ T7704] ___sys_sendmsg+0xee/0x170 [18294.710015][ T7704] __sys_sendmsg+0xcd/0x170 [18294.710015][ T7704] do_syscall_64+0xc6/0x1e0 [18294.710015][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18294.710015][ T7704] [18304.948913][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18304.949694][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18304.949694][ T7704] netdev_get_by_index+0x5e/0x80 [18304.949694][ T7704] fib6_nh_init+0x3d8/0x15b0 [18304.949694][ T7704] ip6_route_info_create+0xf18/0x17d0 [18304.949694][ T7704] ip6_route_add+0x1c/0x140 [18304.949694][ T7704] addrconf_prefix_route+0x2a6/0x430 [18304.949694][ T7704] inet6_addr_add+0x4f8/0xa40 [18304.949694][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18304.949694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18304.949694][ T7704] netlink_rcv_skb+0x130/0x360 [18304.949694][ T7704] netlink_unicast+0x449/0x710 [18304.949694][ T7704] netlink_sendmsg+0x723/0xbe0 [18304.949694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18304.949694][ T7704] ___sys_sendmsg+0xee/0x170 [18304.949694][ T7704] __sys_sendmsg+0xcd/0x170 [18304.949694][ T7704] do_syscall_64+0xc6/0x1e0 [18304.949694][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18304.949694][ T7704] [18304.951991][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18304.951991][ T7704] netdev_get_by_index+0x5e/0x80 [18304.951991][ T7704] fib6_nh_init+0x3d8/0x15b0 [18304.951991][ T7704] ip6_route_info_create+0xf18/0x17d0 [18304.951991][ T7704] addrconf_f6i_alloc+0x315/0x560 [18304.951991][ T7704] ipv6_add_addr+0x411/0x2000 [18304.951991][ T7704] inet6_addr_add+0x30e/0xa40 [18304.951991][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18304.951991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18304.951991][ T7704] netlink_rcv_skb+0x130/0x360 [18304.951991][ T7704] netlink_unicast+0x449/0x710 [18304.951991][ T7704] netlink_sendmsg+0x723/0xbe0 [18304.951991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18304.951991][ T7704] ___sys_sendmsg+0xee/0x170 [18304.951991][ T7704] __sys_sendmsg+0xcd/0x170 [18304.951991][ T7704] do_syscall_64+0xc6/0x1e0 [18304.951991][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18304.951991][ T7704] [18304.954230][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18304.954230][ T7704] netdev_get_by_index+0x5e/0x80 [18304.954230][ T7704] fib6_nh_init+0x3d8/0x15b0 [18304.954230][ T7704] ip6_route_info_create+0xf18/0x17d0 [18304.954230][ T7704] ip6_route_add+0x1c/0x140 [18304.954230][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18304.954230][ T7704] addrconf_add_dev+0xe2/0x170 [18304.954230][ T7704] inet6_addr_add+0x12f/0xa40 [18304.954230][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18304.954230][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18304.954230][ T7704] netlink_rcv_skb+0x130/0x360 [18304.954230][ T7704] netlink_unicast+0x449/0x710 [18304.954230][ T7704] netlink_sendmsg+0x723/0xbe0 [18304.954230][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18304.954230][ T7704] ___sys_sendmsg+0xee/0x170 [18304.954230][ T7704] __sys_sendmsg+0xcd/0x170 [18304.954230][ T7704] do_syscall_64+0xc6/0x1e0 [18304.954230][ T7704] [18304.957029][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18304.957029][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18304.957029][ T7704] ipv6_find_idev+0x102/0x170 [18304.957029][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18304.957029][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18304.957029][ T7704] netlink_rcv_skb+0x130/0x360 [18304.957029][ T7704] netlink_unicast+0x449/0x710 [18304.957029][ T7704] netlink_sendmsg+0x723/0xbe0 [18304.957029][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18304.957029][ T7704] ___sys_sendmsg+0xee/0x170 [18304.957029][ T7704] __sys_sendmsg+0xcd/0x170 [18304.957029][ T7704] do_syscall_64+0xc6/0x1e0 [18304.957029][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18304.957029][ T7704] [18304.958733][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18304.958733][ T7704] neigh_parms_alloc+0x1e5/0x510 [18304.958733][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18304.958733][ T7704] ipv6_find_idev+0x102/0x170 [18304.958733][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18304.958733][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18304.958733][ T7704] netlink_rcv_skb+0x130/0x360 [18304.958733][ T7704] netlink_unicast+0x449/0x710 [18304.958733][ T7704] netlink_sendmsg+0x723/0xbe0 [18304.958733][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18304.958733][ T7704] ___sys_sendmsg+0xee/0x170 [18304.958733][ T7704] __sys_sendmsg+0xcd/0x170 [18304.958733][ T7704] do_syscall_64+0xc6/0x1e0 [18304.958733][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18304.958733][ T7704] [18315.196840][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18315.197664][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18315.197664][ T7704] netdev_get_by_index+0x5e/0x80 [18315.197664][ T7704] fib6_nh_init+0x3d8/0x15b0 [18315.197664][ T7704] ip6_route_info_create+0xf18/0x17d0 [18315.197664][ T7704] ip6_route_add+0x1c/0x140 [18315.197664][ T7704] addrconf_prefix_route+0x2a6/0x430 [18315.197664][ T7704] inet6_addr_add+0x4f8/0xa40 [18315.197664][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18315.197664][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18315.197664][ T7704] netlink_rcv_skb+0x130/0x360 [18315.197664][ T7704] netlink_unicast+0x449/0x710 [18315.197664][ T7704] netlink_sendmsg+0x723/0xbe0 [18315.197664][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18315.197664][ T7704] ___sys_sendmsg+0xee/0x170 [18315.197664][ T7704] __sys_sendmsg+0xcd/0x170 [18315.197664][ T7704] do_syscall_64+0xc6/0x1e0 [18315.197664][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18315.197664][ T7704] [18315.200012][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18315.200012][ T7704] netdev_get_by_index+0x5e/0x80 [18315.200012][ T7704] fib6_nh_init+0x3d8/0x15b0 [18315.200012][ T7704] ip6_route_info_create+0xf18/0x17d0 [18315.200012][ T7704] addrconf_f6i_alloc+0x315/0x560 [18315.200012][ T7704] ipv6_add_addr+0x411/0x2000 [18315.200012][ T7704] inet6_addr_add+0x30e/0xa40 [18315.200012][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18315.200012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18315.200012][ T7704] netlink_rcv_skb+0x130/0x360 [18315.200012][ T7704] netlink_unicast+0x449/0x710 [18315.200012][ T7704] netlink_sendmsg+0x723/0xbe0 [18315.200012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18315.200012][ T7704] ___sys_sendmsg+0xee/0x170 [18315.200012][ T7704] __sys_sendmsg+0xcd/0x170 [18315.200012][ T7704] do_syscall_64+0xc6/0x1e0 [18315.200012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18315.200012][ T7704] [18315.202336][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18315.202336][ T7704] netdev_get_by_index+0x5e/0x80 [18315.202336][ T7704] fib6_nh_init+0x3d8/0x15b0 [18315.202336][ T7704] ip6_route_info_create+0xf18/0x17d0 [18315.202336][ T7704] ip6_route_add+0x1c/0x140 [18315.202336][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18315.202336][ T7704] addrconf_add_dev+0xe2/0x170 [18315.202336][ T7704] inet6_addr_add+0x12f/0xa40 [18315.202336][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18315.202336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18315.202336][ T7704] netlink_rcv_skb+0x130/0x360 [18315.202336][ T7704] netlink_unicast+0x449/0x710 [18315.202336][ T7704] netlink_sendmsg+0x723/0xbe0 [18315.202336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18315.202336][ T7704] ___sys_sendmsg+0xee/0x170 [18315.202336][ T7704] __sys_sendmsg+0xcd/0x170 [18315.202336][ T7704] do_syscall_64+0xc6/0x1e0 [18315.202336][ T7704] [18315.204567][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18315.204567][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18315.204567][ T7704] ipv6_find_idev+0x102/0x170 [18315.204567][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18315.204567][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18315.204567][ T7704] netlink_rcv_skb+0x130/0x360 [18315.204567][ T7704] netlink_unicast+0x449/0x710 [18315.204567][ T7704] netlink_sendmsg+0x723/0xbe0 [18315.204567][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18315.204567][ T7704] ___sys_sendmsg+0xee/0x170 [18315.204567][ T7704] __sys_sendmsg+0xcd/0x170 [18315.204567][ T7704] do_syscall_64+0xc6/0x1e0 [18315.204567][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18315.204567][ T7704] [18315.206310][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18315.206310][ T7704] neigh_parms_alloc+0x1e5/0x510 [18315.206310][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18315.206310][ T7704] ipv6_find_idev+0x102/0x170 [18315.206310][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18315.206310][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18315.206310][ T7704] netlink_rcv_skb+0x130/0x360 [18315.206310][ T7704] netlink_unicast+0x449/0x710 [18315.206310][ T7704] netlink_sendmsg+0x723/0xbe0 [18315.206310][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18315.206310][ T7704] ___sys_sendmsg+0xee/0x170 [18315.206310][ T7704] __sys_sendmsg+0xcd/0x170 [18315.206310][ T7704] do_syscall_64+0xc6/0x1e0 [18315.206310][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18315.206310][ T7704] [18325.300968][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18325.301690][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18325.301690][ T7704] netdev_get_by_index+0x5e/0x80 [18325.301690][ T7704] fib6_nh_init+0x3d8/0x15b0 [18325.301690][ T7704] ip6_route_info_create+0xf18/0x17d0 [18325.301690][ T7704] ip6_route_add+0x1c/0x140 [18325.301690][ T7704] addrconf_prefix_route+0x2a6/0x430 [18325.301690][ T7704] inet6_addr_add+0x4f8/0xa40 [18325.301690][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18325.301690][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18325.301690][ T7704] netlink_rcv_skb+0x130/0x360 [18325.301690][ T7704] netlink_unicast+0x449/0x710 [18325.301690][ T7704] netlink_sendmsg+0x723/0xbe0 [18325.301690][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18325.301690][ T7704] ___sys_sendmsg+0xee/0x170 [18325.301690][ T7704] __sys_sendmsg+0xcd/0x170 [18325.301690][ T7704] do_syscall_64+0xc6/0x1e0 [18325.301690][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18325.301690][ T7704] [18325.303945][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18325.303945][ T7704] netdev_get_by_index+0x5e/0x80 [18325.303945][ T7704] fib6_nh_init+0x3d8/0x15b0 [18325.303945][ T7704] ip6_route_info_create+0xf18/0x17d0 [18325.303945][ T7704] addrconf_f6i_alloc+0x315/0x560 [18325.303945][ T7704] ipv6_add_addr+0x411/0x2000 [18325.303945][ T7704] inet6_addr_add+0x30e/0xa40 [18325.303945][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18325.303945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18325.303945][ T7704] netlink_rcv_skb+0x130/0x360 [18325.303945][ T7704] netlink_unicast+0x449/0x710 [18325.303945][ T7704] netlink_sendmsg+0x723/0xbe0 [18325.303945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18325.303945][ T7704] ___sys_sendmsg+0xee/0x170 [18325.303945][ T7704] __sys_sendmsg+0xcd/0x170 [18325.303945][ T7704] do_syscall_64+0xc6/0x1e0 [18325.303945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18325.303945][ T7704] [18325.306204][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18325.306204][ T7704] netdev_get_by_index+0x5e/0x80 [18325.306204][ T7704] fib6_nh_init+0x3d8/0x15b0 [18325.306204][ T7704] ip6_route_info_create+0xf18/0x17d0 [18325.306204][ T7704] ip6_route_add+0x1c/0x140 [18325.306204][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18325.306204][ T7704] addrconf_add_dev+0xe2/0x170 [18325.306204][ T7704] inet6_addr_add+0x12f/0xa40 [18325.306204][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18325.306204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18325.306204][ T7704] netlink_rcv_skb+0x130/0x360 [18325.306204][ T7704] netlink_unicast+0x449/0x710 [18325.306204][ T7704] netlink_sendmsg+0x723/0xbe0 [18325.306204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18325.306204][ T7704] ___sys_sendmsg+0xee/0x170 [18325.306204][ T7704] __sys_sendmsg+0xcd/0x170 [18325.306204][ T7704] do_syscall_64+0xc6/0x1e0 [18325.306204][ T7704] [18325.308412][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18325.308412][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18325.308412][ T7704] ipv6_find_idev+0x102/0x170 [18325.308412][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18325.308412][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18325.308412][ T7704] netlink_rcv_skb+0x130/0x360 [18325.308412][ T7704] netlink_unicast+0x449/0x710 [18325.308412][ T7704] netlink_sendmsg+0x723/0xbe0 [18325.308412][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18325.308412][ T7704] ___sys_sendmsg+0xee/0x170 [18325.308412][ T7704] __sys_sendmsg+0xcd/0x170 [18325.308412][ T7704] do_syscall_64+0xc6/0x1e0 [18325.308412][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18325.308412][ T7704] [18325.310137][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18325.310137][ T7704] neigh_parms_alloc+0x1e5/0x510 [18325.310137][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18325.310137][ T7704] ipv6_find_idev+0x102/0x170 [18325.310137][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18325.310137][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18325.310137][ T7704] netlink_rcv_skb+0x130/0x360 [18325.310137][ T7704] netlink_unicast+0x449/0x710 [18325.310137][ T7704] netlink_sendmsg+0x723/0xbe0 [18325.310137][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18325.310137][ T7704] ___sys_sendmsg+0xee/0x170 [18325.310137][ T7704] __sys_sendmsg+0xcd/0x170 [18325.310137][ T7704] do_syscall_64+0xc6/0x1e0 [18325.310137][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18325.310137][ T7704] [18335.348889][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18335.349641][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18335.349641][ T7704] netdev_get_by_index+0x5e/0x80 [18335.349641][ T7704] fib6_nh_init+0x3d8/0x15b0 [18335.349641][ T7704] ip6_route_info_create+0xf18/0x17d0 [18335.349641][ T7704] ip6_route_add+0x1c/0x140 [18335.349641][ T7704] addrconf_prefix_route+0x2a6/0x430 [18335.349641][ T7704] inet6_addr_add+0x4f8/0xa40 [18335.349641][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18335.349641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18335.349641][ T7704] netlink_rcv_skb+0x130/0x360 [18335.349641][ T7704] netlink_unicast+0x449/0x710 [18335.349641][ T7704] netlink_sendmsg+0x723/0xbe0 [18335.349641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18335.349641][ T7704] ___sys_sendmsg+0xee/0x170 [18335.349641][ T7704] __sys_sendmsg+0xcd/0x170 [18335.349641][ T7704] do_syscall_64+0xc6/0x1e0 [18335.349641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18335.349641][ T7704] [18335.351838][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18335.351838][ T7704] netdev_get_by_index+0x5e/0x80 [18335.351838][ T7704] fib6_nh_init+0x3d8/0x15b0 [18335.351838][ T7704] ip6_route_info_create+0xf18/0x17d0 [18335.351838][ T7704] addrconf_f6i_alloc+0x315/0x560 [18335.351838][ T7704] ipv6_add_addr+0x411/0x2000 [18335.351838][ T7704] inet6_addr_add+0x30e/0xa40 [18335.351838][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18335.351838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18335.351838][ T7704] netlink_rcv_skb+0x130/0x360 [18335.351838][ T7704] netlink_unicast+0x449/0x710 [18335.351838][ T7704] netlink_sendmsg+0x723/0xbe0 [18335.351838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18335.351838][ T7704] ___sys_sendmsg+0xee/0x170 [18335.351838][ T7704] __sys_sendmsg+0xcd/0x170 [18335.351838][ T7704] do_syscall_64+0xc6/0x1e0 [18335.351838][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18335.351838][ T7704] [18335.353999][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18335.353999][ T7704] netdev_get_by_index+0x5e/0x80 [18335.353999][ T7704] fib6_nh_init+0x3d8/0x15b0 [18335.353999][ T7704] ip6_route_info_create+0xf18/0x17d0 [18335.353999][ T7704] ip6_route_add+0x1c/0x140 [18335.353999][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18335.353999][ T7704] addrconf_add_dev+0xe2/0x170 [18335.353999][ T7704] inet6_addr_add+0x12f/0xa40 [18335.353999][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18335.353999][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18335.353999][ T7704] netlink_rcv_skb+0x130/0x360 [18335.353999][ T7704] netlink_unicast+0x449/0x710 [18335.353999][ T7704] netlink_sendmsg+0x723/0xbe0 [18335.353999][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18335.353999][ T7704] ___sys_sendmsg+0xee/0x170 [18335.353999][ T7704] __sys_sendmsg+0xcd/0x170 [18335.353999][ T7704] do_syscall_64+0xc6/0x1e0 [18335.353999][ T7704] [18335.356123][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18335.356123][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18335.356123][ T7704] ipv6_find_idev+0x102/0x170 [18335.356123][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18335.356123][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18335.356123][ T7704] netlink_rcv_skb+0x130/0x360 [18335.356123][ T7704] netlink_unicast+0x449/0x710 [18335.356123][ T7704] netlink_sendmsg+0x723/0xbe0 [18335.356123][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18335.356123][ T7704] ___sys_sendmsg+0xee/0x170 [18335.356123][ T7704] __sys_sendmsg+0xcd/0x170 [18335.356123][ T7704] do_syscall_64+0xc6/0x1e0 [18335.356123][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18335.356123][ T7704] [18335.357802][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18335.357802][ T7704] neigh_parms_alloc+0x1e5/0x510 [18335.357802][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18335.357802][ T7704] ipv6_find_idev+0x102/0x170 [18335.357802][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18335.357802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18335.357802][ T7704] netlink_rcv_skb+0x130/0x360 [18335.357802][ T7704] netlink_unicast+0x449/0x710 [18335.357802][ T7704] netlink_sendmsg+0x723/0xbe0 [18335.357802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18335.357802][ T7704] ___sys_sendmsg+0xee/0x170 [18335.357802][ T7704] __sys_sendmsg+0xcd/0x170 [18335.357802][ T7704] do_syscall_64+0xc6/0x1e0 [18335.357802][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18335.357802][ T7704] [18345.596865][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18345.597717][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18345.597717][ T7704] netdev_get_by_index+0x5e/0x80 [18345.597717][ T7704] fib6_nh_init+0x3d8/0x15b0 [18345.597717][ T7704] ip6_route_info_create+0xf18/0x17d0 [18345.597717][ T7704] ip6_route_add+0x1c/0x140 [18345.597717][ T7704] addrconf_prefix_route+0x2a6/0x430 [18345.597717][ T7704] inet6_addr_add+0x4f8/0xa40 [18345.597717][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18345.597717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18345.597717][ T7704] netlink_rcv_skb+0x130/0x360 [18345.597717][ T7704] netlink_unicast+0x449/0x710 [18345.597717][ T7704] netlink_sendmsg+0x723/0xbe0 [18345.597717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18345.597717][ T7704] ___sys_sendmsg+0xee/0x170 [18345.597717][ T7704] __sys_sendmsg+0xcd/0x170 [18345.597717][ T7704] do_syscall_64+0xc6/0x1e0 [18345.597717][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18345.597717][ T7704] [18345.599932][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18345.599932][ T7704] netdev_get_by_index+0x5e/0x80 [18345.599932][ T7704] fib6_nh_init+0x3d8/0x15b0 [18345.599932][ T7704] ip6_route_info_create+0xf18/0x17d0 [18345.599932][ T7704] addrconf_f6i_alloc+0x315/0x560 [18345.599932][ T7704] ipv6_add_addr+0x411/0x2000 [18345.599932][ T7704] inet6_addr_add+0x30e/0xa40 [18345.599932][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18345.599932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18345.599932][ T7704] netlink_rcv_skb+0x130/0x360 [18345.599932][ T7704] netlink_unicast+0x449/0x710 [18345.599932][ T7704] netlink_sendmsg+0x723/0xbe0 [18345.599932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18345.599932][ T7704] ___sys_sendmsg+0xee/0x170 [18345.599932][ T7704] __sys_sendmsg+0xcd/0x170 [18345.599932][ T7704] do_syscall_64+0xc6/0x1e0 [18345.599932][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18345.599932][ T7704] [18345.602166][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18345.602166][ T7704] netdev_get_by_index+0x5e/0x80 [18345.602166][ T7704] fib6_nh_init+0x3d8/0x15b0 [18345.602166][ T7704] ip6_route_info_create+0xf18/0x17d0 [18345.602166][ T7704] ip6_route_add+0x1c/0x140 [18345.602166][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18345.602166][ T7704] addrconf_add_dev+0xe2/0x170 [18345.602166][ T7704] inet6_addr_add+0x12f/0xa40 [18345.602166][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18345.602166][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18345.602166][ T7704] netlink_rcv_skb+0x130/0x360 [18345.602166][ T7704] netlink_unicast+0x449/0x710 [18345.602166][ T7704] netlink_sendmsg+0x723/0xbe0 [18345.602166][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18345.602166][ T7704] ___sys_sendmsg+0xee/0x170 [18345.602166][ T7704] __sys_sendmsg+0xcd/0x170 [18345.602166][ T7704] do_syscall_64+0xc6/0x1e0 [18345.602166][ T7704] [18345.604342][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18345.604342][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18345.604342][ T7704] ipv6_find_idev+0x102/0x170 [18345.604342][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18345.604342][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18345.604342][ T7704] netlink_rcv_skb+0x130/0x360 [18345.604342][ T7704] netlink_unicast+0x449/0x710 [18345.604342][ T7704] netlink_sendmsg+0x723/0xbe0 [18345.604342][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18345.604342][ T7704] ___sys_sendmsg+0xee/0x170 [18345.604342][ T7704] __sys_sendmsg+0xcd/0x170 [18345.604342][ T7704] do_syscall_64+0xc6/0x1e0 [18345.604342][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18345.604342][ T7704] [18345.606051][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18345.606051][ T7704] neigh_parms_alloc+0x1e5/0x510 [18345.606051][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18345.606051][ T7704] ipv6_find_idev+0x102/0x170 [18345.606051][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18345.606051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18345.606051][ T7704] netlink_rcv_skb+0x130/0x360 [18345.606051][ T7704] netlink_unicast+0x449/0x710 [18345.606051][ T7704] netlink_sendmsg+0x723/0xbe0 [18345.606051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18345.606051][ T7704] ___sys_sendmsg+0xee/0x170 [18345.606051][ T7704] __sys_sendmsg+0xcd/0x170 [18345.606051][ T7704] do_syscall_64+0xc6/0x1e0 [18345.606051][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18345.606051][ T7704] [18355.684913][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18355.685737][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18355.685737][ T7704] netdev_get_by_index+0x5e/0x80 [18355.685737][ T7704] fib6_nh_init+0x3d8/0x15b0 [18355.685737][ T7704] ip6_route_info_create+0xf18/0x17d0 [18355.685737][ T7704] ip6_route_add+0x1c/0x140 [18355.685737][ T7704] addrconf_prefix_route+0x2a6/0x430 [18355.685737][ T7704] inet6_addr_add+0x4f8/0xa40 [18355.685737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18355.685737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18355.685737][ T7704] netlink_rcv_skb+0x130/0x360 [18355.685737][ T7704] netlink_unicast+0x449/0x710 [18355.685737][ T7704] netlink_sendmsg+0x723/0xbe0 [18355.685737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18355.685737][ T7704] ___sys_sendmsg+0xee/0x170 [18355.685737][ T7704] __sys_sendmsg+0xcd/0x170 [18355.685737][ T7704] do_syscall_64+0xc6/0x1e0 [18355.685737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18355.685737][ T7704] [18355.688030][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18355.688030][ T7704] netdev_get_by_index+0x5e/0x80 [18355.688030][ T7704] fib6_nh_init+0x3d8/0x15b0 [18355.688030][ T7704] ip6_route_info_create+0xf18/0x17d0 [18355.688030][ T7704] addrconf_f6i_alloc+0x315/0x560 [18355.688030][ T7704] ipv6_add_addr+0x411/0x2000 [18355.688030][ T7704] inet6_addr_add+0x30e/0xa40 [18355.688030][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18355.688030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18355.688030][ T7704] netlink_rcv_skb+0x130/0x360 [18355.688030][ T7704] netlink_unicast+0x449/0x710 [18355.688030][ T7704] netlink_sendmsg+0x723/0xbe0 [18355.688030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18355.688030][ T7704] ___sys_sendmsg+0xee/0x170 [18355.688030][ T7704] __sys_sendmsg+0xcd/0x170 [18355.688030][ T7704] do_syscall_64+0xc6/0x1e0 [18355.688030][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18355.688030][ T7704] [18355.690226][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18355.690226][ T7704] netdev_get_by_index+0x5e/0x80 [18355.690226][ T7704] fib6_nh_init+0x3d8/0x15b0 [18355.690226][ T7704] ip6_route_info_create+0xf18/0x17d0 [18355.690226][ T7704] ip6_route_add+0x1c/0x140 [18355.690226][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18355.690226][ T7704] addrconf_add_dev+0xe2/0x170 [18355.690226][ T7704] inet6_addr_add+0x12f/0xa40 [18355.690226][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18355.690226][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18355.690226][ T7704] netlink_rcv_skb+0x130/0x360 [18355.690226][ T7704] netlink_unicast+0x449/0x710 [18355.690226][ T7704] netlink_sendmsg+0x723/0xbe0 [18355.690226][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18355.690226][ T7704] ___sys_sendmsg+0xee/0x170 [18355.690226][ T7704] __sys_sendmsg+0xcd/0x170 [18355.690226][ T7704] do_syscall_64+0xc6/0x1e0 [18355.690226][ T7704] [18355.692389][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18355.692389][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18355.692389][ T7704] ipv6_find_idev+0x102/0x170 [18355.692389][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18355.692389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18355.692389][ T7704] netlink_rcv_skb+0x130/0x360 [18355.692389][ T7704] netlink_unicast+0x449/0x710 [18355.692389][ T7704] netlink_sendmsg+0x723/0xbe0 [18355.692389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18355.692389][ T7704] ___sys_sendmsg+0xee/0x170 [18355.692389][ T7704] __sys_sendmsg+0xcd/0x170 [18355.692389][ T7704] do_syscall_64+0xc6/0x1e0 [18355.692389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18355.692389][ T7704] [18355.694072][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18355.694072][ T7704] neigh_parms_alloc+0x1e5/0x510 [18355.694072][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18355.694072][ T7704] ipv6_find_idev+0x102/0x170 [18355.694072][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18355.694072][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18355.694072][ T7704] netlink_rcv_skb+0x130/0x360 [18355.694072][ T7704] netlink_unicast+0x449/0x710 [18355.694072][ T7704] netlink_sendmsg+0x723/0xbe0 [18355.694072][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18355.694072][ T7704] ___sys_sendmsg+0xee/0x170 [18355.694072][ T7704] __sys_sendmsg+0xcd/0x170 [18355.694072][ T7704] do_syscall_64+0xc6/0x1e0 [18355.694072][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18355.694072][ T7704] [18365.940911][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18365.941641][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18365.941641][ T7704] netdev_get_by_index+0x5e/0x80 [18365.941641][ T7704] fib6_nh_init+0x3d8/0x15b0 [18365.941641][ T7704] ip6_route_info_create+0xf18/0x17d0 [18365.941641][ T7704] ip6_route_add+0x1c/0x140 [18365.941641][ T7704] addrconf_prefix_route+0x2a6/0x430 [18365.941641][ T7704] inet6_addr_add+0x4f8/0xa40 [18365.941641][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18365.941641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18365.941641][ T7704] netlink_rcv_skb+0x130/0x360 [18365.941641][ T7704] netlink_unicast+0x449/0x710 [18365.941641][ T7704] netlink_sendmsg+0x723/0xbe0 [18365.941641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18365.941641][ T7704] ___sys_sendmsg+0xee/0x170 [18365.941641][ T7704] __sys_sendmsg+0xcd/0x170 [18365.941641][ T7704] do_syscall_64+0xc6/0x1e0 [18365.941641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18365.941641][ T7704] [18365.943849][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18365.943849][ T7704] netdev_get_by_index+0x5e/0x80 [18365.943849][ T7704] fib6_nh_init+0x3d8/0x15b0 [18365.943849][ T7704] ip6_route_info_create+0xf18/0x17d0 [18365.943849][ T7704] addrconf_f6i_alloc+0x315/0x560 [18365.943849][ T7704] ipv6_add_addr+0x411/0x2000 [18365.943849][ T7704] inet6_addr_add+0x30e/0xa40 [18365.943849][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18365.943849][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18365.943849][ T7704] netlink_rcv_skb+0x130/0x360 [18365.943849][ T7704] netlink_unicast+0x449/0x710 [18365.943849][ T7704] netlink_sendmsg+0x723/0xbe0 [18365.943849][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18365.943849][ T7704] ___sys_sendmsg+0xee/0x170 [18365.943849][ T7704] __sys_sendmsg+0xcd/0x170 [18365.943849][ T7704] do_syscall_64+0xc6/0x1e0 [18365.943849][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18365.943849][ T7704] [18365.945993][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18365.945993][ T7704] netdev_get_by_index+0x5e/0x80 [18365.945993][ T7704] fib6_nh_init+0x3d8/0x15b0 [18365.945993][ T7704] ip6_route_info_create+0xf18/0x17d0 [18365.945993][ T7704] ip6_route_add+0x1c/0x140 [18365.945993][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18365.945993][ T7704] addrconf_add_dev+0xe2/0x170 [18365.945993][ T7704] inet6_addr_add+0x12f/0xa40 [18365.945993][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18365.945993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18365.945993][ T7704] netlink_rcv_skb+0x130/0x360 [18365.945993][ T7704] netlink_unicast+0x449/0x710 [18365.945993][ T7704] netlink_sendmsg+0x723/0xbe0 [18365.945993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18365.945993][ T7704] ___sys_sendmsg+0xee/0x170 [18365.945993][ T7704] __sys_sendmsg+0xcd/0x170 [18365.945993][ T7704] do_syscall_64+0xc6/0x1e0 [18365.945993][ T7704] [18365.948066][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18365.948066][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18365.948066][ T7704] ipv6_find_idev+0x102/0x170 [18365.948066][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18365.948066][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18365.948066][ T7704] netlink_rcv_skb+0x130/0x360 [18365.948066][ T7704] netlink_unicast+0x449/0x710 [18365.948066][ T7704] netlink_sendmsg+0x723/0xbe0 [18365.948066][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18365.948066][ T7704] ___sys_sendmsg+0xee/0x170 [18365.948066][ T7704] __sys_sendmsg+0xcd/0x170 [18365.948066][ T7704] do_syscall_64+0xc6/0x1e0 [18365.948066][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18365.948066][ T7704] [18365.949675][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18365.949675][ T7704] neigh_parms_alloc+0x1e5/0x510 [18365.949675][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18365.949675][ T7704] ipv6_find_idev+0x102/0x170 [18365.949675][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18365.949675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18365.949675][ T7704] netlink_rcv_skb+0x130/0x360 [18365.949675][ T7704] netlink_unicast+0x449/0x710 [18365.949675][ T7704] netlink_sendmsg+0x723/0xbe0 [18365.949675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18365.949675][ T7704] ___sys_sendmsg+0xee/0x170 [18365.949675][ T7704] __sys_sendmsg+0xcd/0x170 [18365.949675][ T7704] do_syscall_64+0xc6/0x1e0 [18365.949675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18365.949675][ T7704] [18376.196894][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18376.197564][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18376.197564][ T7704] netdev_get_by_index+0x5e/0x80 [18376.197564][ T7704] fib6_nh_init+0x3d8/0x15b0 [18376.197564][ T7704] ip6_route_info_create+0xf18/0x17d0 [18376.197564][ T7704] ip6_route_add+0x1c/0x140 [18376.197564][ T7704] addrconf_prefix_route+0x2a6/0x430 [18376.197564][ T7704] inet6_addr_add+0x4f8/0xa40 [18376.197564][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18376.197564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18376.197564][ T7704] netlink_rcv_skb+0x130/0x360 [18376.197564][ T7704] netlink_unicast+0x449/0x710 [18376.197564][ T7704] netlink_sendmsg+0x723/0xbe0 [18376.197564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18376.197564][ T7704] ___sys_sendmsg+0xee/0x170 [18376.197564][ T7704] __sys_sendmsg+0xcd/0x170 [18376.197564][ T7704] do_syscall_64+0xc6/0x1e0 [18376.197564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18376.197564][ T7704] [18376.199807][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18376.199807][ T7704] netdev_get_by_index+0x5e/0x80 [18376.199807][ T7704] fib6_nh_init+0x3d8/0x15b0 [18376.199807][ T7704] ip6_route_info_create+0xf18/0x17d0 [18376.199807][ T7704] addrconf_f6i_alloc+0x315/0x560 [18376.199807][ T7704] ipv6_add_addr+0x411/0x2000 [18376.199807][ T7704] inet6_addr_add+0x30e/0xa40 [18376.199807][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18376.199807][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18376.199807][ T7704] netlink_rcv_skb+0x130/0x360 [18376.199807][ T7704] netlink_unicast+0x449/0x710 [18376.199807][ T7704] netlink_sendmsg+0x723/0xbe0 [18376.199807][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18376.199807][ T7704] ___sys_sendmsg+0xee/0x170 [18376.199807][ T7704] __sys_sendmsg+0xcd/0x170 [18376.199807][ T7704] do_syscall_64+0xc6/0x1e0 [18376.199807][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18376.199807][ T7704] [18376.202008][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18376.202008][ T7704] netdev_get_by_index+0x5e/0x80 [18376.202008][ T7704] fib6_nh_init+0x3d8/0x15b0 [18376.202008][ T7704] ip6_route_info_create+0xf18/0x17d0 [18376.202008][ T7704] ip6_route_add+0x1c/0x140 [18376.202008][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18376.202008][ T7704] addrconf_add_dev+0xe2/0x170 [18376.202008][ T7704] inet6_addr_add+0x12f/0xa40 [18376.202008][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18376.202008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18376.202008][ T7704] netlink_rcv_skb+0x130/0x360 [18376.202008][ T7704] netlink_unicast+0x449/0x710 [18376.202008][ T7704] netlink_sendmsg+0x723/0xbe0 [18376.202008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18376.202008][ T7704] ___sys_sendmsg+0xee/0x170 [18376.202008][ T7704] __sys_sendmsg+0xcd/0x170 [18376.202008][ T7704] do_syscall_64+0xc6/0x1e0 [18376.202008][ T7704] [18376.204148][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18376.204148][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18376.204148][ T7704] ipv6_find_idev+0x102/0x170 [18376.204148][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18376.204148][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18376.204148][ T7704] netlink_rcv_skb+0x130/0x360 [18376.204148][ T7704] netlink_unicast+0x449/0x710 [18376.204148][ T7704] netlink_sendmsg+0x723/0xbe0 [18376.204148][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18376.204148][ T7704] ___sys_sendmsg+0xee/0x170 [18376.204148][ T7704] __sys_sendmsg+0xcd/0x170 [18376.204148][ T7704] do_syscall_64+0xc6/0x1e0 [18376.204148][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18376.204148][ T7704] [18376.205908][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18376.205908][ T7704] neigh_parms_alloc+0x1e5/0x510 [18376.205908][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18376.205908][ T7704] ipv6_find_idev+0x102/0x170 [18376.205908][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18376.205908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18376.205908][ T7704] netlink_rcv_skb+0x130/0x360 [18376.205908][ T7704] netlink_unicast+0x449/0x710 [18376.205908][ T7704] netlink_sendmsg+0x723/0xbe0 [18376.205908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18376.205908][ T7704] ___sys_sendmsg+0xee/0x170 [18376.205908][ T7704] __sys_sendmsg+0xcd/0x170 [18376.205908][ T7704] do_syscall_64+0xc6/0x1e0 [18376.205908][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18376.205908][ T7704] [18386.260923][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18386.261723][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18386.261723][ T7704] netdev_get_by_index+0x5e/0x80 [18386.261723][ T7704] fib6_nh_init+0x3d8/0x15b0 [18386.261723][ T7704] ip6_route_info_create+0xf18/0x17d0 [18386.261723][ T7704] ip6_route_add+0x1c/0x140 [18386.261723][ T7704] addrconf_prefix_route+0x2a6/0x430 [18386.261723][ T7704] inet6_addr_add+0x4f8/0xa40 [18386.261723][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18386.261723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18386.261723][ T7704] netlink_rcv_skb+0x130/0x360 [18386.261723][ T7704] netlink_unicast+0x449/0x710 [18386.261723][ T7704] netlink_sendmsg+0x723/0xbe0 [18386.261723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18386.261723][ T7704] ___sys_sendmsg+0xee/0x170 [18386.261723][ T7704] __sys_sendmsg+0xcd/0x170 [18386.261723][ T7704] do_syscall_64+0xc6/0x1e0 [18386.261723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18386.261723][ T7704] [18386.264066][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18386.264066][ T7704] netdev_get_by_index+0x5e/0x80 [18386.264066][ T7704] fib6_nh_init+0x3d8/0x15b0 [18386.264066][ T7704] ip6_route_info_create+0xf18/0x17d0 [18386.264066][ T7704] addrconf_f6i_alloc+0x315/0x560 [18386.264066][ T7704] ipv6_add_addr+0x411/0x2000 [18386.264066][ T7704] inet6_addr_add+0x30e/0xa40 [18386.264066][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18386.264066][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18386.264066][ T7704] netlink_rcv_skb+0x130/0x360 [18386.264066][ T7704] netlink_unicast+0x449/0x710 [18386.264066][ T7704] netlink_sendmsg+0x723/0xbe0 [18386.264066][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18386.264066][ T7704] ___sys_sendmsg+0xee/0x170 [18386.264066][ T7704] __sys_sendmsg+0xcd/0x170 [18386.264066][ T7704] do_syscall_64+0xc6/0x1e0 [18386.264066][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18386.264066][ T7704] [18386.266471][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18386.266471][ T7704] netdev_get_by_index+0x5e/0x80 [18386.266471][ T7704] fib6_nh_init+0x3d8/0x15b0 [18386.266471][ T7704] ip6_route_info_create+0xf18/0x17d0 [18386.266471][ T7704] ip6_route_add+0x1c/0x140 [18386.266471][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18386.266471][ T7704] addrconf_add_dev+0xe2/0x170 [18386.266471][ T7704] inet6_addr_add+0x12f/0xa40 [18386.266471][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18386.266471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18386.266471][ T7704] netlink_rcv_skb+0x130/0x360 [18386.266471][ T7704] netlink_unicast+0x449/0x710 [18386.266471][ T7704] netlink_sendmsg+0x723/0xbe0 [18386.266471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18386.266471][ T7704] ___sys_sendmsg+0xee/0x170 [18386.266471][ T7704] __sys_sendmsg+0xcd/0x170 [18386.266471][ T7704] do_syscall_64+0xc6/0x1e0 [18386.266471][ T7704] [18386.268795][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18386.268795][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18386.268795][ T7704] ipv6_find_idev+0x102/0x170 [18386.268795][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18386.268795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18386.268795][ T7704] netlink_rcv_skb+0x130/0x360 [18386.268795][ T7704] netlink_unicast+0x449/0x710 [18386.268795][ T7704] netlink_sendmsg+0x723/0xbe0 [18386.268795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18386.268795][ T7704] ___sys_sendmsg+0xee/0x170 [18386.268795][ T7704] __sys_sendmsg+0xcd/0x170 [18386.268795][ T7704] do_syscall_64+0xc6/0x1e0 [18386.268795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18386.268795][ T7704] [18386.270668][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18386.270668][ T7704] neigh_parms_alloc+0x1e5/0x510 [18386.270668][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18386.270668][ T7704] ipv6_find_idev+0x102/0x170 [18386.270668][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18386.270668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18386.270668][ T7704] netlink_rcv_skb+0x130/0x360 [18386.270668][ T7704] netlink_unicast+0x449/0x710 [18386.270668][ T7704] netlink_sendmsg+0x723/0xbe0 [18386.270668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18386.270668][ T7704] ___sys_sendmsg+0xee/0x170 [18386.270668][ T7704] __sys_sendmsg+0xcd/0x170 [18386.270668][ T7704] do_syscall_64+0xc6/0x1e0 [18386.270668][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18386.270668][ T7704] [18396.508915][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18396.509658][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18396.509658][ T7704] netdev_get_by_index+0x5e/0x80 [18396.509658][ T7704] fib6_nh_init+0x3d8/0x15b0 [18396.509658][ T7704] ip6_route_info_create+0xf18/0x17d0 [18396.509658][ T7704] ip6_route_add+0x1c/0x140 [18396.509658][ T7704] addrconf_prefix_route+0x2a6/0x430 [18396.509658][ T7704] inet6_addr_add+0x4f8/0xa40 [18396.509658][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18396.509658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18396.509658][ T7704] netlink_rcv_skb+0x130/0x360 [18396.509658][ T7704] netlink_unicast+0x449/0x710 [18396.509658][ T7704] netlink_sendmsg+0x723/0xbe0 [18396.509658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18396.509658][ T7704] ___sys_sendmsg+0xee/0x170 [18396.509658][ T7704] __sys_sendmsg+0xcd/0x170 [18396.509658][ T7704] do_syscall_64+0xc6/0x1e0 [18396.509658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18396.509658][ T7704] [18396.511932][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18396.511932][ T7704] netdev_get_by_index+0x5e/0x80 [18396.511932][ T7704] fib6_nh_init+0x3d8/0x15b0 [18396.511932][ T7704] ip6_route_info_create+0xf18/0x17d0 [18396.511932][ T7704] addrconf_f6i_alloc+0x315/0x560 [18396.511932][ T7704] ipv6_add_addr+0x411/0x2000 [18396.511932][ T7704] inet6_addr_add+0x30e/0xa40 [18396.511932][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18396.511932][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18396.511932][ T7704] netlink_rcv_skb+0x130/0x360 [18396.511932][ T7704] netlink_unicast+0x449/0x710 [18396.511932][ T7704] netlink_sendmsg+0x723/0xbe0 [18396.511932][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18396.511932][ T7704] ___sys_sendmsg+0xee/0x170 [18396.511932][ T7704] __sys_sendmsg+0xcd/0x170 [18396.511932][ T7704] do_syscall_64+0xc6/0x1e0 [18396.511932][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18396.511932][ T7704] [18396.514099][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18396.514099][ T7704] netdev_get_by_index+0x5e/0x80 [18396.514099][ T7704] fib6_nh_init+0x3d8/0x15b0 [18396.514099][ T7704] ip6_route_info_create+0xf18/0x17d0 [18396.514099][ T7704] ip6_route_add+0x1c/0x140 [18396.514099][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18396.514099][ T7704] addrconf_add_dev+0xe2/0x170 [18396.514099][ T7704] inet6_addr_add+0x12f/0xa40 [18396.514099][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18396.514099][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18396.514099][ T7704] netlink_rcv_skb+0x130/0x360 [18396.514099][ T7704] netlink_unicast+0x449/0x710 [18396.514099][ T7704] netlink_sendmsg+0x723/0xbe0 [18396.514099][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18396.514099][ T7704] ___sys_sendmsg+0xee/0x170 [18396.514099][ T7704] __sys_sendmsg+0xcd/0x170 [18396.514099][ T7704] do_syscall_64+0xc6/0x1e0 [18396.514099][ T7704] [18396.517402][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18396.517402][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18396.517402][ T7704] ipv6_find_idev+0x102/0x170 [18396.517402][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18396.517402][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18396.517402][ T7704] netlink_rcv_skb+0x130/0x360 [18396.517402][ T7704] netlink_unicast+0x449/0x710 [18396.517402][ T7704] netlink_sendmsg+0x723/0xbe0 [18396.517402][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18396.517402][ T7704] ___sys_sendmsg+0xee/0x170 [18396.517402][ T7704] __sys_sendmsg+0xcd/0x170 [18396.517402][ T7704] do_syscall_64+0xc6/0x1e0 [18396.517402][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18396.517402][ T7704] [18396.519134][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18396.519134][ T7704] neigh_parms_alloc+0x1e5/0x510 [18396.519134][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18396.519134][ T7704] ipv6_find_idev+0x102/0x170 [18396.519134][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18396.519134][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18396.519134][ T7704] netlink_rcv_skb+0x130/0x360 [18396.519134][ T7704] netlink_unicast+0x449/0x710 [18396.519134][ T7704] netlink_sendmsg+0x723/0xbe0 [18396.519134][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18396.519134][ T7704] ___sys_sendmsg+0xee/0x170 [18396.519134][ T7704] __sys_sendmsg+0xcd/0x170 [18396.519134][ T7704] do_syscall_64+0xc6/0x1e0 [18396.519134][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18396.519134][ T7704] [18406.676900][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18406.677766][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18406.677766][ T7704] netdev_get_by_index+0x5e/0x80 [18406.677766][ T7704] fib6_nh_init+0x3d8/0x15b0 [18406.677766][ T7704] ip6_route_info_create+0xf18/0x17d0 [18406.677766][ T7704] ip6_route_add+0x1c/0x140 [18406.677766][ T7704] addrconf_prefix_route+0x2a6/0x430 [18406.677766][ T7704] inet6_addr_add+0x4f8/0xa40 [18406.677766][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18406.677766][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18406.677766][ T7704] netlink_rcv_skb+0x130/0x360 [18406.677766][ T7704] netlink_unicast+0x449/0x710 [18406.677766][ T7704] netlink_sendmsg+0x723/0xbe0 [18406.677766][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18406.677766][ T7704] ___sys_sendmsg+0xee/0x170 [18406.677766][ T7704] __sys_sendmsg+0xcd/0x170 [18406.677766][ T7704] do_syscall_64+0xc6/0x1e0 [18406.677766][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18406.677766][ T7704] [18406.680016][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18406.680016][ T7704] netdev_get_by_index+0x5e/0x80 [18406.680016][ T7704] fib6_nh_init+0x3d8/0x15b0 [18406.680016][ T7704] ip6_route_info_create+0xf18/0x17d0 [18406.680016][ T7704] addrconf_f6i_alloc+0x315/0x560 [18406.680016][ T7704] ipv6_add_addr+0x411/0x2000 [18406.680016][ T7704] inet6_addr_add+0x30e/0xa40 [18406.680016][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18406.680016][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18406.680016][ T7704] netlink_rcv_skb+0x130/0x360 [18406.680016][ T7704] netlink_unicast+0x449/0x710 [18406.680016][ T7704] netlink_sendmsg+0x723/0xbe0 [18406.680016][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18406.680016][ T7704] ___sys_sendmsg+0xee/0x170 [18406.680016][ T7704] __sys_sendmsg+0xcd/0x170 [18406.680016][ T7704] do_syscall_64+0xc6/0x1e0 [18406.680016][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18406.680016][ T7704] [18406.682222][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18406.682222][ T7704] netdev_get_by_index+0x5e/0x80 [18406.682222][ T7704] fib6_nh_init+0x3d8/0x15b0 [18406.682222][ T7704] ip6_route_info_create+0xf18/0x17d0 [18406.682222][ T7704] ip6_route_add+0x1c/0x140 [18406.682222][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18406.682222][ T7704] addrconf_add_dev+0xe2/0x170 [18406.682222][ T7704] inet6_addr_add+0x12f/0xa40 [18406.682222][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18406.682222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18406.682222][ T7704] netlink_rcv_skb+0x130/0x360 [18406.682222][ T7704] netlink_unicast+0x449/0x710 [18406.682222][ T7704] netlink_sendmsg+0x723/0xbe0 [18406.682222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18406.682222][ T7704] ___sys_sendmsg+0xee/0x170 [18406.682222][ T7704] __sys_sendmsg+0xcd/0x170 [18406.682222][ T7704] do_syscall_64+0xc6/0x1e0 [18406.682222][ T7704] [18406.684531][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18406.684531][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18406.684531][ T7704] ipv6_find_idev+0x102/0x170 [18406.684531][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18406.684531][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18406.684531][ T7704] netlink_rcv_skb+0x130/0x360 [18406.684531][ T7704] netlink_unicast+0x449/0x710 [18406.684531][ T7704] netlink_sendmsg+0x723/0xbe0 [18406.684531][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18406.684531][ T7704] ___sys_sendmsg+0xee/0x170 [18406.684531][ T7704] __sys_sendmsg+0xcd/0x170 [18406.684531][ T7704] do_syscall_64+0xc6/0x1e0 [18406.684531][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18406.684531][ T7704] [18406.686224][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18406.686224][ T7704] neigh_parms_alloc+0x1e5/0x510 [18406.686224][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18406.686224][ T7704] ipv6_find_idev+0x102/0x170 [18406.686224][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18406.686224][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18406.686224][ T7704] netlink_rcv_skb+0x130/0x360 [18406.686224][ T7704] netlink_unicast+0x449/0x710 [18406.686224][ T7704] netlink_sendmsg+0x723/0xbe0 [18406.686224][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18406.686224][ T7704] ___sys_sendmsg+0xee/0x170 [18406.686224][ T7704] __sys_sendmsg+0xcd/0x170 [18406.686224][ T7704] do_syscall_64+0xc6/0x1e0 [18406.686224][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18406.686224][ T7704] [18416.844910][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18416.845653][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18416.845653][ T7704] netdev_get_by_index+0x5e/0x80 [18416.845653][ T7704] fib6_nh_init+0x3d8/0x15b0 [18416.845653][ T7704] ip6_route_info_create+0xf18/0x17d0 [18416.845653][ T7704] ip6_route_add+0x1c/0x140 [18416.845653][ T7704] addrconf_prefix_route+0x2a6/0x430 [18416.845653][ T7704] inet6_addr_add+0x4f8/0xa40 [18416.845653][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18416.845653][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18416.845653][ T7704] netlink_rcv_skb+0x130/0x360 [18416.845653][ T7704] netlink_unicast+0x449/0x710 [18416.845653][ T7704] netlink_sendmsg+0x723/0xbe0 [18416.845653][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18416.845653][ T7704] ___sys_sendmsg+0xee/0x170 [18416.845653][ T7704] __sys_sendmsg+0xcd/0x170 [18416.845653][ T7704] do_syscall_64+0xc6/0x1e0 [18416.845653][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18416.845653][ T7704] [18416.848181][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18416.848181][ T7704] netdev_get_by_index+0x5e/0x80 [18416.848181][ T7704] fib6_nh_init+0x3d8/0x15b0 [18416.848181][ T7704] ip6_route_info_create+0xf18/0x17d0 [18416.848181][ T7704] addrconf_f6i_alloc+0x315/0x560 [18416.848181][ T7704] ipv6_add_addr+0x411/0x2000 [18416.848181][ T7704] inet6_addr_add+0x30e/0xa40 [18416.848181][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18416.848181][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18416.848181][ T7704] netlink_rcv_skb+0x130/0x360 [18416.848181][ T7704] netlink_unicast+0x449/0x710 [18416.848181][ T7704] netlink_sendmsg+0x723/0xbe0 [18416.848181][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18416.848181][ T7704] ___sys_sendmsg+0xee/0x170 [18416.848181][ T7704] __sys_sendmsg+0xcd/0x170 [18416.848181][ T7704] do_syscall_64+0xc6/0x1e0 [18416.848181][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18416.848181][ T7704] [18416.850987][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18416.850987][ T7704] netdev_get_by_index+0x5e/0x80 [18416.850987][ T7704] fib6_nh_init+0x3d8/0x15b0 [18416.850987][ T7704] ip6_route_info_create+0xf18/0x17d0 [18416.850987][ T7704] ip6_route_add+0x1c/0x140 [18416.850987][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18416.850987][ T7704] addrconf_add_dev+0xe2/0x170 [18416.850987][ T7704] inet6_addr_add+0x12f/0xa40 [18416.850987][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18416.850987][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18416.850987][ T7704] netlink_rcv_skb+0x130/0x360 [18416.850987][ T7704] netlink_unicast+0x449/0x710 [18416.850987][ T7704] netlink_sendmsg+0x723/0xbe0 [18416.850987][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18416.850987][ T7704] ___sys_sendmsg+0xee/0x170 [18416.850987][ T7704] __sys_sendmsg+0xcd/0x170 [18416.850987][ T7704] do_syscall_64+0xc6/0x1e0 [18416.850987][ T7704] [18416.853235][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18416.853235][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18416.853235][ T7704] ipv6_find_idev+0x102/0x170 [18416.853235][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18416.853235][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18416.853235][ T7704] netlink_rcv_skb+0x130/0x360 [18416.853235][ T7704] netlink_unicast+0x449/0x710 [18416.853235][ T7704] netlink_sendmsg+0x723/0xbe0 [18416.853235][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18416.853235][ T7704] ___sys_sendmsg+0xee/0x170 [18416.853235][ T7704] __sys_sendmsg+0xcd/0x170 [18416.853235][ T7704] do_syscall_64+0xc6/0x1e0 [18416.853235][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18416.853235][ T7704] [18416.855014][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18416.855014][ T7704] neigh_parms_alloc+0x1e5/0x510 [18416.855014][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18416.855014][ T7704] ipv6_find_idev+0x102/0x170 [18416.855014][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18416.855014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18416.855014][ T7704] netlink_rcv_skb+0x130/0x360 [18416.855014][ T7704] netlink_unicast+0x449/0x710 [18416.855014][ T7704] netlink_sendmsg+0x723/0xbe0 [18416.855014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18416.855014][ T7704] ___sys_sendmsg+0xee/0x170 [18416.855014][ T7704] __sys_sendmsg+0xcd/0x170 [18416.855014][ T7704] do_syscall_64+0xc6/0x1e0 [18416.855014][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18416.855014][ T7704] [18427.036915][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18427.037700][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18427.037700][ T7704] netdev_get_by_index+0x5e/0x80 [18427.037700][ T7704] fib6_nh_init+0x3d8/0x15b0 [18427.037700][ T7704] ip6_route_info_create+0xf18/0x17d0 [18427.037700][ T7704] ip6_route_add+0x1c/0x140 [18427.037700][ T7704] addrconf_prefix_route+0x2a6/0x430 [18427.037700][ T7704] inet6_addr_add+0x4f8/0xa40 [18427.037700][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18427.037700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18427.037700][ T7704] netlink_rcv_skb+0x130/0x360 [18427.037700][ T7704] netlink_unicast+0x449/0x710 [18427.037700][ T7704] netlink_sendmsg+0x723/0xbe0 [18427.037700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18427.037700][ T7704] ___sys_sendmsg+0xee/0x170 [18427.037700][ T7704] __sys_sendmsg+0xcd/0x170 [18427.037700][ T7704] do_syscall_64+0xc6/0x1e0 [18427.037700][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18427.037700][ T7704] [18427.040117][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18427.040117][ T7704] netdev_get_by_index+0x5e/0x80 [18427.040117][ T7704] fib6_nh_init+0x3d8/0x15b0 [18427.040117][ T7704] ip6_route_info_create+0xf18/0x17d0 [18427.040117][ T7704] addrconf_f6i_alloc+0x315/0x560 [18427.040117][ T7704] ipv6_add_addr+0x411/0x2000 [18427.040117][ T7704] inet6_addr_add+0x30e/0xa40 [18427.040117][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18427.040117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18427.040117][ T7704] netlink_rcv_skb+0x130/0x360 [18427.040117][ T7704] netlink_unicast+0x449/0x710 [18427.040117][ T7704] netlink_sendmsg+0x723/0xbe0 [18427.040117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18427.040117][ T7704] ___sys_sendmsg+0xee/0x170 [18427.040117][ T7704] __sys_sendmsg+0xcd/0x170 [18427.040117][ T7704] do_syscall_64+0xc6/0x1e0 [18427.040117][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18427.040117][ T7704] [18427.042394][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18427.042394][ T7704] netdev_get_by_index+0x5e/0x80 [18427.042394][ T7704] fib6_nh_init+0x3d8/0x15b0 [18427.042394][ T7704] ip6_route_info_create+0xf18/0x17d0 [18427.042394][ T7704] ip6_route_add+0x1c/0x140 [18427.042394][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18427.042394][ T7704] addrconf_add_dev+0xe2/0x170 [18427.042394][ T7704] inet6_addr_add+0x12f/0xa40 [18427.042394][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18427.042394][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18427.042394][ T7704] netlink_rcv_skb+0x130/0x360 [18427.042394][ T7704] netlink_unicast+0x449/0x710 [18427.042394][ T7704] netlink_sendmsg+0x723/0xbe0 [18427.042394][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18427.042394][ T7704] ___sys_sendmsg+0xee/0x170 [18427.042394][ T7704] __sys_sendmsg+0xcd/0x170 [18427.042394][ T7704] do_syscall_64+0xc6/0x1e0 [18427.042394][ T7704] [18427.044625][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18427.044625][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18427.044625][ T7704] ipv6_find_idev+0x102/0x170 [18427.044625][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18427.044625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18427.044625][ T7704] netlink_rcv_skb+0x130/0x360 [18427.044625][ T7704] netlink_unicast+0x449/0x710 [18427.044625][ T7704] netlink_sendmsg+0x723/0xbe0 [18427.044625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18427.044625][ T7704] ___sys_sendmsg+0xee/0x170 [18427.044625][ T7704] __sys_sendmsg+0xcd/0x170 [18427.044625][ T7704] do_syscall_64+0xc6/0x1e0 [18427.044625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18427.044625][ T7704] [18427.046397][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18427.046397][ T7704] neigh_parms_alloc+0x1e5/0x510 [18427.046397][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18427.046397][ T7704] ipv6_find_idev+0x102/0x170 [18427.046397][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18427.046397][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18427.046397][ T7704] netlink_rcv_skb+0x130/0x360 [18427.046397][ T7704] netlink_unicast+0x449/0x710 [18427.046397][ T7704] netlink_sendmsg+0x723/0xbe0 [18427.046397][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18427.046397][ T7704] ___sys_sendmsg+0xee/0x170 [18427.046397][ T7704] __sys_sendmsg+0xcd/0x170 [18427.046397][ T7704] do_syscall_64+0xc6/0x1e0 [18427.046397][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18427.046397][ T7704] [18437.116904][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18437.117625][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18437.117625][ T7704] netdev_get_by_index+0x5e/0x80 [18437.117625][ T7704] fib6_nh_init+0x3d8/0x15b0 [18437.117625][ T7704] ip6_route_info_create+0xf18/0x17d0 [18437.117625][ T7704] ip6_route_add+0x1c/0x140 [18437.117625][ T7704] addrconf_prefix_route+0x2a6/0x430 [18437.117625][ T7704] inet6_addr_add+0x4f8/0xa40 [18437.117625][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18437.117625][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18437.117625][ T7704] netlink_rcv_skb+0x130/0x360 [18437.117625][ T7704] netlink_unicast+0x449/0x710 [18437.117625][ T7704] netlink_sendmsg+0x723/0xbe0 [18437.117625][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18437.117625][ T7704] ___sys_sendmsg+0xee/0x170 [18437.117625][ T7704] __sys_sendmsg+0xcd/0x170 [18437.117625][ T7704] do_syscall_64+0xc6/0x1e0 [18437.117625][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18437.117625][ T7704] [18437.119939][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18437.119939][ T7704] netdev_get_by_index+0x5e/0x80 [18437.119939][ T7704] fib6_nh_init+0x3d8/0x15b0 [18437.119939][ T7704] ip6_route_info_create+0xf18/0x17d0 [18437.119939][ T7704] addrconf_f6i_alloc+0x315/0x560 [18437.119939][ T7704] ipv6_add_addr+0x411/0x2000 [18437.119939][ T7704] inet6_addr_add+0x30e/0xa40 [18437.119939][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18437.119939][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18437.119939][ T7704] netlink_rcv_skb+0x130/0x360 [18437.119939][ T7704] netlink_unicast+0x449/0x710 [18437.119939][ T7704] netlink_sendmsg+0x723/0xbe0 [18437.119939][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18437.119939][ T7704] ___sys_sendmsg+0xee/0x170 [18437.119939][ T7704] __sys_sendmsg+0xcd/0x170 [18437.119939][ T7704] do_syscall_64+0xc6/0x1e0 [18437.119939][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18437.119939][ T7704] [18437.122230][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18437.122230][ T7704] netdev_get_by_index+0x5e/0x80 [18437.122230][ T7704] fib6_nh_init+0x3d8/0x15b0 [18437.122230][ T7704] ip6_route_info_create+0xf18/0x17d0 [18437.122230][ T7704] ip6_route_add+0x1c/0x140 [18437.122230][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18437.122230][ T7704] addrconf_add_dev+0xe2/0x170 [18437.122230][ T7704] inet6_addr_add+0x12f/0xa40 [18437.122230][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18437.122230][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18437.122230][ T7704] netlink_rcv_skb+0x130/0x360 [18437.122230][ T7704] netlink_unicast+0x449/0x710 [18437.122230][ T7704] netlink_sendmsg+0x723/0xbe0 [18437.122230][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18437.122230][ T7704] ___sys_sendmsg+0xee/0x170 [18437.122230][ T7704] __sys_sendmsg+0xcd/0x170 [18437.122230][ T7704] do_syscall_64+0xc6/0x1e0 [18437.122230][ T7704] [18437.124483][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18437.124483][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18437.124483][ T7704] ipv6_find_idev+0x102/0x170 [18437.124483][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18437.124483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18437.124483][ T7704] netlink_rcv_skb+0x130/0x360 [18437.124483][ T7704] netlink_unicast+0x449/0x710 [18437.124483][ T7704] netlink_sendmsg+0x723/0xbe0 [18437.124483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18437.124483][ T7704] ___sys_sendmsg+0xee/0x170 [18437.124483][ T7704] __sys_sendmsg+0xcd/0x170 [18437.124483][ T7704] do_syscall_64+0xc6/0x1e0 [18437.124483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18437.124483][ T7704] [18437.126266][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18437.126266][ T7704] neigh_parms_alloc+0x1e5/0x510 [18437.126266][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18437.126266][ T7704] ipv6_find_idev+0x102/0x170 [18437.126266][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18437.126266][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18437.126266][ T7704] netlink_rcv_skb+0x130/0x360 [18437.126266][ T7704] netlink_unicast+0x449/0x710 [18437.126266][ T7704] netlink_sendmsg+0x723/0xbe0 [18437.126266][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18437.126266][ T7704] ___sys_sendmsg+0xee/0x170 [18437.126266][ T7704] __sys_sendmsg+0xcd/0x170 [18437.126266][ T7704] do_syscall_64+0xc6/0x1e0 [18437.126266][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18437.126266][ T7704] [18447.212904][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18447.213569][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18447.213569][ T7704] netdev_get_by_index+0x5e/0x80 [18447.213569][ T7704] fib6_nh_init+0x3d8/0x15b0 [18447.213569][ T7704] ip6_route_info_create+0xf18/0x17d0 [18447.213569][ T7704] ip6_route_add+0x1c/0x140 [18447.213569][ T7704] addrconf_prefix_route+0x2a6/0x430 [18447.213569][ T7704] inet6_addr_add+0x4f8/0xa40 [18447.213569][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18447.213569][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18447.213569][ T7704] netlink_rcv_skb+0x130/0x360 [18447.213569][ T7704] netlink_unicast+0x449/0x710 [18447.213569][ T7704] netlink_sendmsg+0x723/0xbe0 [18447.213569][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18447.213569][ T7704] ___sys_sendmsg+0xee/0x170 [18447.213569][ T7704] __sys_sendmsg+0xcd/0x170 [18447.213569][ T7704] do_syscall_64+0xc6/0x1e0 [18447.213569][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18447.213569][ T7704] [18447.215918][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18447.215918][ T7704] netdev_get_by_index+0x5e/0x80 [18447.215918][ T7704] fib6_nh_init+0x3d8/0x15b0 [18447.215918][ T7704] ip6_route_info_create+0xf18/0x17d0 [18447.215918][ T7704] addrconf_f6i_alloc+0x315/0x560 [18447.215918][ T7704] ipv6_add_addr+0x411/0x2000 [18447.215918][ T7704] inet6_addr_add+0x30e/0xa40 [18447.215918][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18447.215918][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18447.215918][ T7704] netlink_rcv_skb+0x130/0x360 [18447.215918][ T7704] netlink_unicast+0x449/0x710 [18447.215918][ T7704] netlink_sendmsg+0x723/0xbe0 [18447.215918][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18447.215918][ T7704] ___sys_sendmsg+0xee/0x170 [18447.215918][ T7704] __sys_sendmsg+0xcd/0x170 [18447.215918][ T7704] do_syscall_64+0xc6/0x1e0 [18447.215918][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18447.215918][ T7704] [18447.218252][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18447.218252][ T7704] netdev_get_by_index+0x5e/0x80 [18447.218252][ T7704] fib6_nh_init+0x3d8/0x15b0 [18447.218252][ T7704] ip6_route_info_create+0xf18/0x17d0 [18447.218252][ T7704] ip6_route_add+0x1c/0x140 [18447.218252][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18447.218252][ T7704] addrconf_add_dev+0xe2/0x170 [18447.218252][ T7704] inet6_addr_add+0x12f/0xa40 [18447.218252][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18447.218252][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18447.218252][ T7704] netlink_rcv_skb+0x130/0x360 [18447.218252][ T7704] netlink_unicast+0x449/0x710 [18447.218252][ T7704] netlink_sendmsg+0x723/0xbe0 [18447.218252][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18447.218252][ T7704] ___sys_sendmsg+0xee/0x170 [18447.218252][ T7704] __sys_sendmsg+0xcd/0x170 [18447.218252][ T7704] do_syscall_64+0xc6/0x1e0 [18447.218252][ T7704] [18447.220475][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18447.220475][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18447.220475][ T7704] ipv6_find_idev+0x102/0x170 [18447.220475][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18447.220475][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18447.220475][ T7704] netlink_rcv_skb+0x130/0x360 [18447.220475][ T7704] netlink_unicast+0x449/0x710 [18447.220475][ T7704] netlink_sendmsg+0x723/0xbe0 [18447.220475][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18447.220475][ T7704] ___sys_sendmsg+0xee/0x170 [18447.220475][ T7704] __sys_sendmsg+0xcd/0x170 [18447.220475][ T7704] do_syscall_64+0xc6/0x1e0 [18447.220475][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18447.220475][ T7704] [18447.222218][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18447.222218][ T7704] neigh_parms_alloc+0x1e5/0x510 [18447.222218][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18447.222218][ T7704] ipv6_find_idev+0x102/0x170 [18447.222218][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18447.222218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18447.222218][ T7704] netlink_rcv_skb+0x130/0x360 [18447.222218][ T7704] netlink_unicast+0x449/0x710 [18447.222218][ T7704] netlink_sendmsg+0x723/0xbe0 [18447.222218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18447.222218][ T7704] ___sys_sendmsg+0xee/0x170 [18447.222218][ T7704] __sys_sendmsg+0xcd/0x170 [18447.222218][ T7704] do_syscall_64+0xc6/0x1e0 [18447.222218][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18447.222218][ T7704] [18457.468915][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18457.469715][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18457.469715][ T7704] netdev_get_by_index+0x5e/0x80 [18457.469715][ T7704] fib6_nh_init+0x3d8/0x15b0 [18457.469715][ T7704] ip6_route_info_create+0xf18/0x17d0 [18457.469715][ T7704] ip6_route_add+0x1c/0x140 [18457.469715][ T7704] addrconf_prefix_route+0x2a6/0x430 [18457.469715][ T7704] inet6_addr_add+0x4f8/0xa40 [18457.469715][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18457.469715][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18457.469715][ T7704] netlink_rcv_skb+0x130/0x360 [18457.469715][ T7704] netlink_unicast+0x449/0x710 [18457.469715][ T7704] netlink_sendmsg+0x723/0xbe0 [18457.469715][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18457.469715][ T7704] ___sys_sendmsg+0xee/0x170 [18457.469715][ T7704] __sys_sendmsg+0xcd/0x170 [18457.469715][ T7704] do_syscall_64+0xc6/0x1e0 [18457.469715][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18457.469715][ T7704] [18457.472018][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18457.472018][ T7704] netdev_get_by_index+0x5e/0x80 [18457.472018][ T7704] fib6_nh_init+0x3d8/0x15b0 [18457.472018][ T7704] ip6_route_info_create+0xf18/0x17d0 [18457.472018][ T7704] addrconf_f6i_alloc+0x315/0x560 [18457.472018][ T7704] ipv6_add_addr+0x411/0x2000 [18457.472018][ T7704] inet6_addr_add+0x30e/0xa40 [18457.472018][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18457.472018][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18457.472018][ T7704] netlink_rcv_skb+0x130/0x360 [18457.472018][ T7704] netlink_unicast+0x449/0x710 [18457.472018][ T7704] netlink_sendmsg+0x723/0xbe0 [18457.472018][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18457.472018][ T7704] ___sys_sendmsg+0xee/0x170 [18457.472018][ T7704] __sys_sendmsg+0xcd/0x170 [18457.472018][ T7704] do_syscall_64+0xc6/0x1e0 [18457.472018][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18457.472018][ T7704] [18457.474306][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18457.474306][ T7704] netdev_get_by_index+0x5e/0x80 [18457.474306][ T7704] fib6_nh_init+0x3d8/0x15b0 [18457.474306][ T7704] ip6_route_info_create+0xf18/0x17d0 [18457.474306][ T7704] ip6_route_add+0x1c/0x140 [18457.474306][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18457.474306][ T7704] addrconf_add_dev+0xe2/0x170 [18457.474306][ T7704] inet6_addr_add+0x12f/0xa40 [18457.474306][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18457.474306][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18457.474306][ T7704] netlink_rcv_skb+0x130/0x360 [18457.474306][ T7704] netlink_unicast+0x449/0x710 [18457.474306][ T7704] netlink_sendmsg+0x723/0xbe0 [18457.474306][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18457.474306][ T7704] ___sys_sendmsg+0xee/0x170 [18457.474306][ T7704] __sys_sendmsg+0xcd/0x170 [18457.474306][ T7704] do_syscall_64+0xc6/0x1e0 [18457.474306][ T7704] [18457.476558][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18457.476558][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18457.476558][ T7704] ipv6_find_idev+0x102/0x170 [18457.476558][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18457.476558][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18457.476558][ T7704] netlink_rcv_skb+0x130/0x360 [18457.476558][ T7704] netlink_unicast+0x449/0x710 [18457.476558][ T7704] netlink_sendmsg+0x723/0xbe0 [18457.476558][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18457.476558][ T7704] ___sys_sendmsg+0xee/0x170 [18457.476558][ T7704] __sys_sendmsg+0xcd/0x170 [18457.476558][ T7704] do_syscall_64+0xc6/0x1e0 [18457.476558][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18457.476558][ T7704] [18457.478302][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18457.478302][ T7704] neigh_parms_alloc+0x1e5/0x510 [18457.478302][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18457.478302][ T7704] ipv6_find_idev+0x102/0x170 [18457.478302][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18457.478302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18457.478302][ T7704] netlink_rcv_skb+0x130/0x360 [18457.478302][ T7704] netlink_unicast+0x449/0x710 [18457.478302][ T7704] netlink_sendmsg+0x723/0xbe0 [18457.478302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18457.478302][ T7704] ___sys_sendmsg+0xee/0x170 [18457.478302][ T7704] __sys_sendmsg+0xcd/0x170 [18457.478302][ T7704] do_syscall_64+0xc6/0x1e0 [18457.478302][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18457.478302][ T7704] [18467.724923][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18467.725529][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18467.725529][ T7704] netdev_get_by_index+0x5e/0x80 [18467.725529][ T7704] fib6_nh_init+0x3d8/0x15b0 [18467.725529][ T7704] ip6_route_info_create+0xf18/0x17d0 [18467.725529][ T7704] ip6_route_add+0x1c/0x140 [18467.725529][ T7704] addrconf_prefix_route+0x2a6/0x430 [18467.725529][ T7704] inet6_addr_add+0x4f8/0xa40 [18467.725529][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18467.725529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18467.725529][ T7704] netlink_rcv_skb+0x130/0x360 [18467.725529][ T7704] netlink_unicast+0x449/0x710 [18467.725529][ T7704] netlink_sendmsg+0x723/0xbe0 [18467.725529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18467.725529][ T7704] ___sys_sendmsg+0xee/0x170 [18467.725529][ T7704] __sys_sendmsg+0xcd/0x170 [18467.725529][ T7704] do_syscall_64+0xc6/0x1e0 [18467.725529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18467.725529][ T7704] [18467.727862][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18467.727862][ T7704] netdev_get_by_index+0x5e/0x80 [18467.727862][ T7704] fib6_nh_init+0x3d8/0x15b0 [18467.727862][ T7704] ip6_route_info_create+0xf18/0x17d0 [18467.727862][ T7704] addrconf_f6i_alloc+0x315/0x560 [18467.727862][ T7704] ipv6_add_addr+0x411/0x2000 [18467.727862][ T7704] inet6_addr_add+0x30e/0xa40 [18467.727862][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18467.727862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18467.727862][ T7704] netlink_rcv_skb+0x130/0x360 [18467.727862][ T7704] netlink_unicast+0x449/0x710 [18467.727862][ T7704] netlink_sendmsg+0x723/0xbe0 [18467.727862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18467.727862][ T7704] ___sys_sendmsg+0xee/0x170 [18467.727862][ T7704] __sys_sendmsg+0xcd/0x170 [18467.727862][ T7704] do_syscall_64+0xc6/0x1e0 [18467.727862][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18467.727862][ T7704] [18467.730171][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18467.730171][ T7704] netdev_get_by_index+0x5e/0x80 [18467.730171][ T7704] fib6_nh_init+0x3d8/0x15b0 [18467.730171][ T7704] ip6_route_info_create+0xf18/0x17d0 [18467.730171][ T7704] ip6_route_add+0x1c/0x140 [18467.730171][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18467.730171][ T7704] addrconf_add_dev+0xe2/0x170 [18467.730171][ T7704] inet6_addr_add+0x12f/0xa40 [18467.730171][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18467.730171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18467.730171][ T7704] netlink_rcv_skb+0x130/0x360 [18467.730171][ T7704] netlink_unicast+0x449/0x710 [18467.730171][ T7704] netlink_sendmsg+0x723/0xbe0 [18467.730171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18467.730171][ T7704] ___sys_sendmsg+0xee/0x170 [18467.730171][ T7704] __sys_sendmsg+0xcd/0x170 [18467.730171][ T7704] do_syscall_64+0xc6/0x1e0 [18467.730171][ T7704] [18467.732435][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18467.732435][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18467.732435][ T7704] ipv6_find_idev+0x102/0x170 [18467.732435][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18467.732435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18467.732435][ T7704] netlink_rcv_skb+0x130/0x360 [18467.732435][ T7704] netlink_unicast+0x449/0x710 [18467.732435][ T7704] netlink_sendmsg+0x723/0xbe0 [18467.732435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18467.732435][ T7704] ___sys_sendmsg+0xee/0x170 [18467.732435][ T7704] __sys_sendmsg+0xcd/0x170 [18467.732435][ T7704] do_syscall_64+0xc6/0x1e0 [18467.732435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18467.732435][ T7704] [18467.734171][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18467.734171][ T7704] neigh_parms_alloc+0x1e5/0x510 [18467.734171][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18467.734171][ T7704] ipv6_find_idev+0x102/0x170 [18467.734171][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18467.734171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18467.734171][ T7704] netlink_rcv_skb+0x130/0x360 [18467.734171][ T7704] netlink_unicast+0x449/0x710 [18467.734171][ T7704] netlink_sendmsg+0x723/0xbe0 [18467.734171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18467.734171][ T7704] ___sys_sendmsg+0xee/0x170 [18467.734171][ T7704] __sys_sendmsg+0xcd/0x170 [18467.734171][ T7704] do_syscall_64+0xc6/0x1e0 [18467.734171][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18467.734171][ T7704] [18477.980898][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18477.981753][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18477.981753][ T7704] netdev_get_by_index+0x5e/0x80 [18477.981753][ T7704] fib6_nh_init+0x3d8/0x15b0 [18477.981753][ T7704] ip6_route_info_create+0xf18/0x17d0 [18477.981753][ T7704] ip6_route_add+0x1c/0x140 [18477.981753][ T7704] addrconf_prefix_route+0x2a6/0x430 [18477.981753][ T7704] inet6_addr_add+0x4f8/0xa40 [18477.981753][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18477.981753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18477.981753][ T7704] netlink_rcv_skb+0x130/0x360 [18477.981753][ T7704] netlink_unicast+0x449/0x710 [18477.981753][ T7704] netlink_sendmsg+0x723/0xbe0 [18477.981753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18477.981753][ T7704] ___sys_sendmsg+0xee/0x170 [18477.981753][ T7704] __sys_sendmsg+0xcd/0x170 [18477.981753][ T7704] do_syscall_64+0xc6/0x1e0 [18477.981753][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18477.981753][ T7704] [18477.984058][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18477.984058][ T7704] netdev_get_by_index+0x5e/0x80 [18477.984058][ T7704] fib6_nh_init+0x3d8/0x15b0 [18477.984058][ T7704] ip6_route_info_create+0xf18/0x17d0 [18477.984058][ T7704] addrconf_f6i_alloc+0x315/0x560 [18477.984058][ T7704] ipv6_add_addr+0x411/0x2000 [18477.984058][ T7704] inet6_addr_add+0x30e/0xa40 [18477.984058][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18477.984058][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18477.984058][ T7704] netlink_rcv_skb+0x130/0x360 [18477.984058][ T7704] netlink_unicast+0x449/0x710 [18477.984058][ T7704] netlink_sendmsg+0x723/0xbe0 [18477.984058][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18477.984058][ T7704] ___sys_sendmsg+0xee/0x170 [18477.984058][ T7704] __sys_sendmsg+0xcd/0x170 [18477.984058][ T7704] do_syscall_64+0xc6/0x1e0 [18477.984058][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18477.984058][ T7704] [18477.986355][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18477.986355][ T7704] netdev_get_by_index+0x5e/0x80 [18477.986355][ T7704] fib6_nh_init+0x3d8/0x15b0 [18477.986355][ T7704] ip6_route_info_create+0xf18/0x17d0 [18477.986355][ T7704] ip6_route_add+0x1c/0x140 [18477.986355][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18477.986355][ T7704] addrconf_add_dev+0xe2/0x170 [18477.986355][ T7704] inet6_addr_add+0x12f/0xa40 [18477.986355][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18477.986355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18477.986355][ T7704] netlink_rcv_skb+0x130/0x360 [18477.986355][ T7704] netlink_unicast+0x449/0x710 [18477.986355][ T7704] netlink_sendmsg+0x723/0xbe0 [18477.986355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18477.986355][ T7704] ___sys_sendmsg+0xee/0x170 [18477.986355][ T7704] __sys_sendmsg+0xcd/0x170 [18477.986355][ T7704] do_syscall_64+0xc6/0x1e0 [18477.986355][ T7704] [18477.988586][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18477.988586][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18477.988586][ T7704] ipv6_find_idev+0x102/0x170 [18477.988586][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18477.988586][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18477.988586][ T7704] netlink_rcv_skb+0x130/0x360 [18477.988586][ T7704] netlink_unicast+0x449/0x710 [18477.988586][ T7704] netlink_sendmsg+0x723/0xbe0 [18477.988586][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18477.988586][ T7704] ___sys_sendmsg+0xee/0x170 [18477.988586][ T7704] __sys_sendmsg+0xcd/0x170 [18477.988586][ T7704] do_syscall_64+0xc6/0x1e0 [18477.988586][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18477.988586][ T7704] [18477.990369][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18477.990369][ T7704] neigh_parms_alloc+0x1e5/0x510 [18477.990369][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18477.990369][ T7704] ipv6_find_idev+0x102/0x170 [18477.990369][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18477.990369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18477.990369][ T7704] netlink_rcv_skb+0x130/0x360 [18477.990369][ T7704] netlink_unicast+0x449/0x710 [18477.990369][ T7704] netlink_sendmsg+0x723/0xbe0 [18477.990369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18477.990369][ T7704] ___sys_sendmsg+0xee/0x170 [18477.990369][ T7704] __sys_sendmsg+0xcd/0x170 [18477.990369][ T7704] do_syscall_64+0xc6/0x1e0 [18477.990369][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18477.990369][ T7704] [18488.044925][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18488.045732][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18488.045732][ T7704] netdev_get_by_index+0x5e/0x80 [18488.045732][ T7704] fib6_nh_init+0x3d8/0x15b0 [18488.045732][ T7704] ip6_route_info_create+0xf18/0x17d0 [18488.045732][ T7704] ip6_route_add+0x1c/0x140 [18488.045732][ T7704] addrconf_prefix_route+0x2a6/0x430 [18488.045732][ T7704] inet6_addr_add+0x4f8/0xa40 [18488.045732][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18488.045732][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18488.045732][ T7704] netlink_rcv_skb+0x130/0x360 [18488.045732][ T7704] netlink_unicast+0x449/0x710 [18488.045732][ T7704] netlink_sendmsg+0x723/0xbe0 [18488.045732][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18488.045732][ T7704] ___sys_sendmsg+0xee/0x170 [18488.045732][ T7704] __sys_sendmsg+0xcd/0x170 [18488.045732][ T7704] do_syscall_64+0xc6/0x1e0 [18488.045732][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18488.045732][ T7704] [18488.048120][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18488.048120][ T7704] netdev_get_by_index+0x5e/0x80 [18488.048120][ T7704] fib6_nh_init+0x3d8/0x15b0 [18488.048120][ T7704] ip6_route_info_create+0xf18/0x17d0 [18488.048120][ T7704] addrconf_f6i_alloc+0x315/0x560 [18488.048120][ T7704] ipv6_add_addr+0x411/0x2000 [18488.048120][ T7704] inet6_addr_add+0x30e/0xa40 [18488.048120][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18488.048120][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18488.048120][ T7704] netlink_rcv_skb+0x130/0x360 [18488.048120][ T7704] netlink_unicast+0x449/0x710 [18488.048120][ T7704] netlink_sendmsg+0x723/0xbe0 [18488.048120][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18488.048120][ T7704] ___sys_sendmsg+0xee/0x170 [18488.048120][ T7704] __sys_sendmsg+0xcd/0x170 [18488.048120][ T7704] do_syscall_64+0xc6/0x1e0 [18488.048120][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18488.048120][ T7704] [18488.050458][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18488.050458][ T7704] netdev_get_by_index+0x5e/0x80 [18488.050458][ T7704] fib6_nh_init+0x3d8/0x15b0 [18488.050458][ T7704] ip6_route_info_create+0xf18/0x17d0 [18488.050458][ T7704] ip6_route_add+0x1c/0x140 [18488.050458][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18488.050458][ T7704] addrconf_add_dev+0xe2/0x170 [18488.050458][ T7704] inet6_addr_add+0x12f/0xa40 [18488.050458][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18488.050458][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18488.050458][ T7704] netlink_rcv_skb+0x130/0x360 [18488.050458][ T7704] netlink_unicast+0x449/0x710 [18488.050458][ T7704] netlink_sendmsg+0x723/0xbe0 [18488.050458][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18488.050458][ T7704] ___sys_sendmsg+0xee/0x170 [18488.050458][ T7704] __sys_sendmsg+0xcd/0x170 [18488.050458][ T7704] do_syscall_64+0xc6/0x1e0 [18488.050458][ T7704] [18488.052696][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18488.052696][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18488.052696][ T7704] ipv6_find_idev+0x102/0x170 [18488.052696][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18488.052696][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18488.052696][ T7704] netlink_rcv_skb+0x130/0x360 [18488.052696][ T7704] netlink_unicast+0x449/0x710 [18488.052696][ T7704] netlink_sendmsg+0x723/0xbe0 [18488.052696][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18488.052696][ T7704] ___sys_sendmsg+0xee/0x170 [18488.052696][ T7704] __sys_sendmsg+0xcd/0x170 [18488.052696][ T7704] do_syscall_64+0xc6/0x1e0 [18488.052696][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18488.052696][ T7704] [18488.054480][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18488.054480][ T7704] neigh_parms_alloc+0x1e5/0x510 [18488.054480][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18488.054480][ T7704] ipv6_find_idev+0x102/0x170 [18488.054480][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18488.054480][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18488.054480][ T7704] netlink_rcv_skb+0x130/0x360 [18488.054480][ T7704] netlink_unicast+0x449/0x710 [18488.054480][ T7704] netlink_sendmsg+0x723/0xbe0 [18488.054480][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18488.054480][ T7704] ___sys_sendmsg+0xee/0x170 [18488.054480][ T7704] __sys_sendmsg+0xcd/0x170 [18488.054480][ T7704] do_syscall_64+0xc6/0x1e0 [18488.054480][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18488.054480][ T7704] [18498.284949][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18498.285727][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18498.285727][ T7704] netdev_get_by_index+0x5e/0x80 [18498.285727][ T7704] fib6_nh_init+0x3d8/0x15b0 [18498.285727][ T7704] ip6_route_info_create+0xf18/0x17d0 [18498.285727][ T7704] ip6_route_add+0x1c/0x140 [18498.285727][ T7704] addrconf_prefix_route+0x2a6/0x430 [18498.285727][ T7704] inet6_addr_add+0x4f8/0xa40 [18498.285727][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18498.285727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18498.285727][ T7704] netlink_rcv_skb+0x130/0x360 [18498.285727][ T7704] netlink_unicast+0x449/0x710 [18498.285727][ T7704] netlink_sendmsg+0x723/0xbe0 [18498.285727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18498.285727][ T7704] ___sys_sendmsg+0xee/0x170 [18498.285727][ T7704] __sys_sendmsg+0xcd/0x170 [18498.285727][ T7704] do_syscall_64+0xc6/0x1e0 [18498.285727][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18498.285727][ T7704] [18498.288052][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18498.288052][ T7704] netdev_get_by_index+0x5e/0x80 [18498.288052][ T7704] fib6_nh_init+0x3d8/0x15b0 [18498.288052][ T7704] ip6_route_info_create+0xf18/0x17d0 [18498.288052][ T7704] addrconf_f6i_alloc+0x315/0x560 [18498.288052][ T7704] ipv6_add_addr+0x411/0x2000 [18498.288052][ T7704] inet6_addr_add+0x30e/0xa40 [18498.288052][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18498.288052][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18498.288052][ T7704] netlink_rcv_skb+0x130/0x360 [18498.288052][ T7704] netlink_unicast+0x449/0x710 [18498.288052][ T7704] netlink_sendmsg+0x723/0xbe0 [18498.288052][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18498.288052][ T7704] ___sys_sendmsg+0xee/0x170 [18498.288052][ T7704] __sys_sendmsg+0xcd/0x170 [18498.288052][ T7704] do_syscall_64+0xc6/0x1e0 [18498.288052][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18498.288052][ T7704] [18498.290318][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18498.290318][ T7704] netdev_get_by_index+0x5e/0x80 [18498.290318][ T7704] fib6_nh_init+0x3d8/0x15b0 [18498.290318][ T7704] ip6_route_info_create+0xf18/0x17d0 [18498.290318][ T7704] ip6_route_add+0x1c/0x140 [18498.290318][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18498.290318][ T7704] addrconf_add_dev+0xe2/0x170 [18498.290318][ T7704] inet6_addr_add+0x12f/0xa40 [18498.290318][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18498.290318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18498.290318][ T7704] netlink_rcv_skb+0x130/0x360 [18498.290318][ T7704] netlink_unicast+0x449/0x710 [18498.290318][ T7704] netlink_sendmsg+0x723/0xbe0 [18498.290318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18498.290318][ T7704] ___sys_sendmsg+0xee/0x170 [18498.290318][ T7704] __sys_sendmsg+0xcd/0x170 [18498.290318][ T7704] do_syscall_64+0xc6/0x1e0 [18498.290318][ T7704] [18498.292541][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18498.292541][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18498.292541][ T7704] ipv6_find_idev+0x102/0x170 [18498.292541][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18498.292541][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18498.292541][ T7704] netlink_rcv_skb+0x130/0x360 [18498.292541][ T7704] netlink_unicast+0x449/0x710 [18498.292541][ T7704] netlink_sendmsg+0x723/0xbe0 [18498.292541][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18498.292541][ T7704] ___sys_sendmsg+0xee/0x170 [18498.292541][ T7704] __sys_sendmsg+0xcd/0x170 [18498.292541][ T7704] do_syscall_64+0xc6/0x1e0 [18498.292541][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18498.292541][ T7704] [18498.294287][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18498.294287][ T7704] neigh_parms_alloc+0x1e5/0x510 [18498.294287][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18498.294287][ T7704] ipv6_find_idev+0x102/0x170 [18498.294287][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18498.294287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18498.294287][ T7704] netlink_rcv_skb+0x130/0x360 [18498.294287][ T7704] netlink_unicast+0x449/0x710 [18498.294287][ T7704] netlink_sendmsg+0x723/0xbe0 [18498.294287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18498.294287][ T7704] ___sys_sendmsg+0xee/0x170 [18498.294287][ T7704] __sys_sendmsg+0xcd/0x170 [18498.294287][ T7704] do_syscall_64+0xc6/0x1e0 [18498.294287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18498.294287][ T7704] [18508.836970][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18508.837756][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18508.837756][ T7704] netdev_get_by_index+0x5e/0x80 [18508.837756][ T7704] fib6_nh_init+0x3d8/0x15b0 [18508.837756][ T7704] ip6_route_info_create+0xf18/0x17d0 [18508.837756][ T7704] ip6_route_add+0x1c/0x140 [18508.837756][ T7704] addrconf_prefix_route+0x2a6/0x430 [18508.837756][ T7704] inet6_addr_add+0x4f8/0xa40 [18508.837756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18508.837756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18508.837756][ T7704] netlink_rcv_skb+0x130/0x360 [18508.837756][ T7704] netlink_unicast+0x449/0x710 [18508.837756][ T7704] netlink_sendmsg+0x723/0xbe0 [18508.837756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18508.837756][ T7704] ___sys_sendmsg+0xee/0x170 [18508.837756][ T7704] __sys_sendmsg+0xcd/0x170 [18508.837756][ T7704] do_syscall_64+0xc6/0x1e0 [18508.837756][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18508.837756][ T7704] [18508.840131][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18508.840131][ T7704] netdev_get_by_index+0x5e/0x80 [18508.840131][ T7704] fib6_nh_init+0x3d8/0x15b0 [18508.840131][ T7704] ip6_route_info_create+0xf18/0x17d0 [18508.840131][ T7704] addrconf_f6i_alloc+0x315/0x560 [18508.840131][ T7704] ipv6_add_addr+0x411/0x2000 [18508.840131][ T7704] inet6_addr_add+0x30e/0xa40 [18508.840131][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18508.840131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18508.840131][ T7704] netlink_rcv_skb+0x130/0x360 [18508.840131][ T7704] netlink_unicast+0x449/0x710 [18508.840131][ T7704] netlink_sendmsg+0x723/0xbe0 [18508.840131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18508.840131][ T7704] ___sys_sendmsg+0xee/0x170 [18508.840131][ T7704] __sys_sendmsg+0xcd/0x170 [18508.840131][ T7704] do_syscall_64+0xc6/0x1e0 [18508.840131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18508.840131][ T7704] [18508.842433][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18508.842433][ T7704] netdev_get_by_index+0x5e/0x80 [18508.842433][ T7704] fib6_nh_init+0x3d8/0x15b0 [18508.842433][ T7704] ip6_route_info_create+0xf18/0x17d0 [18508.842433][ T7704] ip6_route_add+0x1c/0x140 [18508.842433][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18508.842433][ T7704] addrconf_add_dev+0xe2/0x170 [18508.842433][ T7704] inet6_addr_add+0x12f/0xa40 [18508.842433][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18508.842433][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18508.842433][ T7704] netlink_rcv_skb+0x130/0x360 [18508.842433][ T7704] netlink_unicast+0x449/0x710 [18508.842433][ T7704] netlink_sendmsg+0x723/0xbe0 [18508.842433][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18508.842433][ T7704] ___sys_sendmsg+0xee/0x170 [18508.842433][ T7704] __sys_sendmsg+0xcd/0x170 [18508.842433][ T7704] do_syscall_64+0xc6/0x1e0 [18508.842433][ T7704] [18508.844641][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18508.844641][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18508.844641][ T7704] ipv6_find_idev+0x102/0x170 [18508.844641][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18508.844641][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18508.844641][ T7704] netlink_rcv_skb+0x130/0x360 [18508.844641][ T7704] netlink_unicast+0x449/0x710 [18508.844641][ T7704] netlink_sendmsg+0x723/0xbe0 [18508.844641][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18508.844641][ T7704] ___sys_sendmsg+0xee/0x170 [18508.844641][ T7704] __sys_sendmsg+0xcd/0x170 [18508.844641][ T7704] do_syscall_64+0xc6/0x1e0 [18508.844641][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18508.844641][ T7704] [18508.846365][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18508.846365][ T7704] neigh_parms_alloc+0x1e5/0x510 [18508.846365][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18508.846365][ T7704] ipv6_find_idev+0x102/0x170 [18508.846365][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18508.846365][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18508.846365][ T7704] netlink_rcv_skb+0x130/0x360 [18508.846365][ T7704] netlink_unicast+0x449/0x710 [18508.846365][ T7704] netlink_sendmsg+0x723/0xbe0 [18508.846365][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18508.846365][ T7704] ___sys_sendmsg+0xee/0x170 [18508.846365][ T7704] __sys_sendmsg+0xcd/0x170 [18508.846365][ T7704] do_syscall_64+0xc6/0x1e0 [18508.846365][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18508.846365][ T7704] [18518.980878][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18518.981758][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18518.981758][ T7704] netdev_get_by_index+0x5e/0x80 [18518.981758][ T7704] fib6_nh_init+0x3d8/0x15b0 [18518.981758][ T7704] ip6_route_info_create+0xf18/0x17d0 [18518.981758][ T7704] ip6_route_add+0x1c/0x140 [18518.981758][ T7704] addrconf_prefix_route+0x2a6/0x430 [18518.981758][ T7704] inet6_addr_add+0x4f8/0xa40 [18518.981758][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18518.981758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18518.981758][ T7704] netlink_rcv_skb+0x130/0x360 [18518.981758][ T7704] netlink_unicast+0x449/0x710 [18518.981758][ T7704] netlink_sendmsg+0x723/0xbe0 [18518.981758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18518.981758][ T7704] ___sys_sendmsg+0xee/0x170 [18518.981758][ T7704] __sys_sendmsg+0xcd/0x170 [18518.981758][ T7704] do_syscall_64+0xc6/0x1e0 [18518.981758][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18518.981758][ T7704] [18518.984024][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18518.984024][ T7704] netdev_get_by_index+0x5e/0x80 [18518.984024][ T7704] fib6_nh_init+0x3d8/0x15b0 [18518.984024][ T7704] ip6_route_info_create+0xf18/0x17d0 [18518.984024][ T7704] addrconf_f6i_alloc+0x315/0x560 [18518.984024][ T7704] ipv6_add_addr+0x411/0x2000 [18518.984024][ T7704] inet6_addr_add+0x30e/0xa40 [18518.984024][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18518.984024][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18518.984024][ T7704] netlink_rcv_skb+0x130/0x360 [18518.984024][ T7704] netlink_unicast+0x449/0x710 [18518.984024][ T7704] netlink_sendmsg+0x723/0xbe0 [18518.984024][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18518.984024][ T7704] ___sys_sendmsg+0xee/0x170 [18518.984024][ T7704] __sys_sendmsg+0xcd/0x170 [18518.984024][ T7704] do_syscall_64+0xc6/0x1e0 [18518.984024][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18518.984024][ T7704] [18518.986292][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18518.986292][ T7704] netdev_get_by_index+0x5e/0x80 [18518.986292][ T7704] fib6_nh_init+0x3d8/0x15b0 [18518.986292][ T7704] ip6_route_info_create+0xf18/0x17d0 [18518.986292][ T7704] ip6_route_add+0x1c/0x140 [18518.986292][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18518.986292][ T7704] addrconf_add_dev+0xe2/0x170 [18518.986292][ T7704] inet6_addr_add+0x12f/0xa40 [18518.986292][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18518.986292][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18518.986292][ T7704] netlink_rcv_skb+0x130/0x360 [18518.986292][ T7704] netlink_unicast+0x449/0x710 [18518.986292][ T7704] netlink_sendmsg+0x723/0xbe0 [18518.986292][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18518.986292][ T7704] ___sys_sendmsg+0xee/0x170 [18518.986292][ T7704] __sys_sendmsg+0xcd/0x170 [18518.986292][ T7704] do_syscall_64+0xc6/0x1e0 [18518.986292][ T7704] [18518.988478][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18518.988478][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18518.988478][ T7704] ipv6_find_idev+0x102/0x170 [18518.988478][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18518.988478][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18518.988478][ T7704] netlink_rcv_skb+0x130/0x360 [18518.988478][ T7704] netlink_unicast+0x449/0x710 [18518.988478][ T7704] netlink_sendmsg+0x723/0xbe0 [18518.988478][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18518.988478][ T7704] ___sys_sendmsg+0xee/0x170 [18518.988478][ T7704] __sys_sendmsg+0xcd/0x170 [18518.988478][ T7704] do_syscall_64+0xc6/0x1e0 [18518.988478][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18518.988478][ T7704] [18518.990252][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18518.990252][ T7704] neigh_parms_alloc+0x1e5/0x510 [18518.990252][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18518.990252][ T7704] ipv6_find_idev+0x102/0x170 [18518.990252][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18518.990252][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18518.990252][ T7704] netlink_rcv_skb+0x130/0x360 [18518.990252][ T7704] netlink_unicast+0x449/0x710 [18518.990252][ T7704] netlink_sendmsg+0x723/0xbe0 [18518.990252][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18518.990252][ T7704] ___sys_sendmsg+0xee/0x170 [18518.990252][ T7704] __sys_sendmsg+0xcd/0x170 [18518.990252][ T7704] do_syscall_64+0xc6/0x1e0 [18518.990252][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18518.990252][ T7704] [18529.228965][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18529.229837][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18529.229837][ T7704] netdev_get_by_index+0x5e/0x80 [18529.229837][ T7704] fib6_nh_init+0x3d8/0x15b0 [18529.229837][ T7704] ip6_route_info_create+0xf18/0x17d0 [18529.229837][ T7704] ip6_route_add+0x1c/0x140 [18529.229837][ T7704] addrconf_prefix_route+0x2a6/0x430 [18529.229837][ T7704] inet6_addr_add+0x4f8/0xa40 [18529.229837][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18529.229837][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18529.229837][ T7704] netlink_rcv_skb+0x130/0x360 [18529.229837][ T7704] netlink_unicast+0x449/0x710 [18529.229837][ T7704] netlink_sendmsg+0x723/0xbe0 [18529.229837][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18529.229837][ T7704] ___sys_sendmsg+0xee/0x170 [18529.229837][ T7704] __sys_sendmsg+0xcd/0x170 [18529.229837][ T7704] do_syscall_64+0xc6/0x1e0 [18529.229837][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18529.229837][ T7704] [18529.232192][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18529.232192][ T7704] netdev_get_by_index+0x5e/0x80 [18529.232192][ T7704] fib6_nh_init+0x3d8/0x15b0 [18529.232192][ T7704] ip6_route_info_create+0xf18/0x17d0 [18529.232192][ T7704] addrconf_f6i_alloc+0x315/0x560 [18529.232192][ T7704] ipv6_add_addr+0x411/0x2000 [18529.232192][ T7704] inet6_addr_add+0x30e/0xa40 [18529.232192][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18529.232192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18529.232192][ T7704] netlink_rcv_skb+0x130/0x360 [18529.232192][ T7704] netlink_unicast+0x449/0x710 [18529.232192][ T7704] netlink_sendmsg+0x723/0xbe0 [18529.232192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18529.232192][ T7704] ___sys_sendmsg+0xee/0x170 [18529.232192][ T7704] __sys_sendmsg+0xcd/0x170 [18529.232192][ T7704] do_syscall_64+0xc6/0x1e0 [18529.232192][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18529.232192][ T7704] [18529.234476][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18529.234476][ T7704] netdev_get_by_index+0x5e/0x80 [18529.234476][ T7704] fib6_nh_init+0x3d8/0x15b0 [18529.234476][ T7704] ip6_route_info_create+0xf18/0x17d0 [18529.234476][ T7704] ip6_route_add+0x1c/0x140 [18529.234476][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18529.234476][ T7704] addrconf_add_dev+0xe2/0x170 [18529.234476][ T7704] inet6_addr_add+0x12f/0xa40 [18529.234476][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18529.234476][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18529.234476][ T7704] netlink_rcv_skb+0x130/0x360 [18529.234476][ T7704] netlink_unicast+0x449/0x710 [18529.234476][ T7704] netlink_sendmsg+0x723/0xbe0 [18529.234476][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18529.234476][ T7704] ___sys_sendmsg+0xee/0x170 [18529.234476][ T7704] __sys_sendmsg+0xcd/0x170 [18529.234476][ T7704] do_syscall_64+0xc6/0x1e0 [18529.234476][ T7704] [18529.237222][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18529.237222][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18529.237222][ T7704] ipv6_find_idev+0x102/0x170 [18529.237222][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18529.237222][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18529.237222][ T7704] netlink_rcv_skb+0x130/0x360 [18529.237222][ T7704] netlink_unicast+0x449/0x710 [18529.237222][ T7704] netlink_sendmsg+0x723/0xbe0 [18529.237222][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18529.237222][ T7704] ___sys_sendmsg+0xee/0x170 [18529.237222][ T7704] __sys_sendmsg+0xcd/0x170 [18529.237222][ T7704] do_syscall_64+0xc6/0x1e0 [18529.237222][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18529.237222][ T7704] [18529.239065][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18529.239065][ T7704] neigh_parms_alloc+0x1e5/0x510 [18529.239065][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18529.239065][ T7704] ipv6_find_idev+0x102/0x170 [18529.239065][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18529.239065][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18529.239065][ T7704] netlink_rcv_skb+0x130/0x360 [18529.239065][ T7704] netlink_unicast+0x449/0x710 [18529.239065][ T7704] netlink_sendmsg+0x723/0xbe0 [18529.239065][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18529.239065][ T7704] ___sys_sendmsg+0xee/0x170 [18529.239065][ T7704] __sys_sendmsg+0xcd/0x170 [18529.239065][ T7704] do_syscall_64+0xc6/0x1e0 [18529.239065][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18529.239065][ T7704] [18539.836964][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18539.837742][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18539.837742][ T7704] netdev_get_by_index+0x5e/0x80 [18539.837742][ T7704] fib6_nh_init+0x3d8/0x15b0 [18539.837742][ T7704] ip6_route_info_create+0xf18/0x17d0 [18539.837742][ T7704] ip6_route_add+0x1c/0x140 [18539.837742][ T7704] addrconf_prefix_route+0x2a6/0x430 [18539.837742][ T7704] inet6_addr_add+0x4f8/0xa40 [18539.837742][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18539.837742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18539.837742][ T7704] netlink_rcv_skb+0x130/0x360 [18539.837742][ T7704] netlink_unicast+0x449/0x710 [18539.837742][ T7704] netlink_sendmsg+0x723/0xbe0 [18539.837742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18539.837742][ T7704] ___sys_sendmsg+0xee/0x170 [18539.837742][ T7704] __sys_sendmsg+0xcd/0x170 [18539.837742][ T7704] do_syscall_64+0xc6/0x1e0 [18539.837742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18539.837742][ T7704] [18539.840021][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18539.840021][ T7704] netdev_get_by_index+0x5e/0x80 [18539.840021][ T7704] fib6_nh_init+0x3d8/0x15b0 [18539.840021][ T7704] ip6_route_info_create+0xf18/0x17d0 [18539.840021][ T7704] addrconf_f6i_alloc+0x315/0x560 [18539.840021][ T7704] ipv6_add_addr+0x411/0x2000 [18539.840021][ T7704] inet6_addr_add+0x30e/0xa40 [18539.840021][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18539.840021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18539.840021][ T7704] netlink_rcv_skb+0x130/0x360 [18539.840021][ T7704] netlink_unicast+0x449/0x710 [18539.840021][ T7704] netlink_sendmsg+0x723/0xbe0 [18539.840021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18539.840021][ T7704] ___sys_sendmsg+0xee/0x170 [18539.840021][ T7704] __sys_sendmsg+0xcd/0x170 [18539.840021][ T7704] do_syscall_64+0xc6/0x1e0 [18539.840021][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18539.840021][ T7704] [18539.842244][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18539.842244][ T7704] netdev_get_by_index+0x5e/0x80 [18539.842244][ T7704] fib6_nh_init+0x3d8/0x15b0 [18539.842244][ T7704] ip6_route_info_create+0xf18/0x17d0 [18539.842244][ T7704] ip6_route_add+0x1c/0x140 [18539.842244][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18539.842244][ T7704] addrconf_add_dev+0xe2/0x170 [18539.842244][ T7704] inet6_addr_add+0x12f/0xa40 [18539.842244][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18539.842244][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18539.842244][ T7704] netlink_rcv_skb+0x130/0x360 [18539.842244][ T7704] netlink_unicast+0x449/0x710 [18539.842244][ T7704] netlink_sendmsg+0x723/0xbe0 [18539.842244][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18539.842244][ T7704] ___sys_sendmsg+0xee/0x170 [18539.842244][ T7704] __sys_sendmsg+0xcd/0x170 [18539.842244][ T7704] do_syscall_64+0xc6/0x1e0 [18539.842244][ T7704] [18539.844373][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18539.844373][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18539.844373][ T7704] ipv6_find_idev+0x102/0x170 [18539.844373][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18539.844373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18539.844373][ T7704] netlink_rcv_skb+0x130/0x360 [18539.844373][ T7704] netlink_unicast+0x449/0x710 [18539.844373][ T7704] netlink_sendmsg+0x723/0xbe0 [18539.844373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18539.844373][ T7704] ___sys_sendmsg+0xee/0x170 [18539.844373][ T7704] __sys_sendmsg+0xcd/0x170 [18539.844373][ T7704] do_syscall_64+0xc6/0x1e0 [18539.844373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18539.844373][ T7704] [18539.846508][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18539.846508][ T7704] neigh_parms_alloc+0x1e5/0x510 [18539.846508][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18539.846508][ T7704] ipv6_find_idev+0x102/0x170 [18539.846508][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18539.846508][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18539.846508][ T7704] netlink_rcv_skb+0x130/0x360 [18539.846508][ T7704] netlink_unicast+0x449/0x710 [18539.846508][ T7704] netlink_sendmsg+0x723/0xbe0 [18539.846508][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18539.846508][ T7704] ___sys_sendmsg+0xee/0x170 [18539.846508][ T7704] __sys_sendmsg+0xcd/0x170 [18539.846508][ T7704] do_syscall_64+0xc6/0x1e0 [18539.846508][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18539.846508][ T7704] [18550.092945][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18550.093597][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18550.093597][ T7704] netdev_get_by_index+0x5e/0x80 [18550.093597][ T7704] fib6_nh_init+0x3d8/0x15b0 [18550.093597][ T7704] ip6_route_info_create+0xf18/0x17d0 [18550.093597][ T7704] ip6_route_add+0x1c/0x140 [18550.093597][ T7704] addrconf_prefix_route+0x2a6/0x430 [18550.093597][ T7704] inet6_addr_add+0x4f8/0xa40 [18550.093597][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18550.093597][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18550.093597][ T7704] netlink_rcv_skb+0x130/0x360 [18550.093597][ T7704] netlink_unicast+0x449/0x710 [18550.093597][ T7704] netlink_sendmsg+0x723/0xbe0 [18550.093597][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18550.093597][ T7704] ___sys_sendmsg+0xee/0x170 [18550.093597][ T7704] __sys_sendmsg+0xcd/0x170 [18550.093597][ T7704] do_syscall_64+0xc6/0x1e0 [18550.093597][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18550.093597][ T7704] [18550.095840][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18550.095840][ T7704] netdev_get_by_index+0x5e/0x80 [18550.095840][ T7704] fib6_nh_init+0x3d8/0x15b0 [18550.095840][ T7704] ip6_route_info_create+0xf18/0x17d0 [18550.095840][ T7704] addrconf_f6i_alloc+0x315/0x560 [18550.095840][ T7704] ipv6_add_addr+0x411/0x2000 [18550.095840][ T7704] inet6_addr_add+0x30e/0xa40 [18550.095840][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18550.095840][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18550.095840][ T7704] netlink_rcv_skb+0x130/0x360 [18550.095840][ T7704] netlink_unicast+0x449/0x710 [18550.095840][ T7704] netlink_sendmsg+0x723/0xbe0 [18550.095840][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18550.095840][ T7704] ___sys_sendmsg+0xee/0x170 [18550.095840][ T7704] __sys_sendmsg+0xcd/0x170 [18550.095840][ T7704] do_syscall_64+0xc6/0x1e0 [18550.095840][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18550.095840][ T7704] [18550.098019][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18550.098019][ T7704] netdev_get_by_index+0x5e/0x80 [18550.098019][ T7704] fib6_nh_init+0x3d8/0x15b0 [18550.098019][ T7704] ip6_route_info_create+0xf18/0x17d0 [18550.098019][ T7704] ip6_route_add+0x1c/0x140 [18550.098019][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18550.098019][ T7704] addrconf_add_dev+0xe2/0x170 [18550.098019][ T7704] inet6_addr_add+0x12f/0xa40 [18550.098019][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18550.098019][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18550.098019][ T7704] netlink_rcv_skb+0x130/0x360 [18550.098019][ T7704] netlink_unicast+0x449/0x710 [18550.098019][ T7704] netlink_sendmsg+0x723/0xbe0 [18550.098019][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18550.098019][ T7704] ___sys_sendmsg+0xee/0x170 [18550.098019][ T7704] __sys_sendmsg+0xcd/0x170 [18550.098019][ T7704] do_syscall_64+0xc6/0x1e0 [18550.098019][ T7704] [18550.100145][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18550.100145][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18550.100145][ T7704] ipv6_find_idev+0x102/0x170 [18550.100145][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18550.100145][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18550.100145][ T7704] netlink_rcv_skb+0x130/0x360 [18550.100145][ T7704] netlink_unicast+0x449/0x710 [18550.100145][ T7704] netlink_sendmsg+0x723/0xbe0 [18550.100145][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18550.100145][ T7704] ___sys_sendmsg+0xee/0x170 [18550.100145][ T7704] __sys_sendmsg+0xcd/0x170 [18550.100145][ T7704] do_syscall_64+0xc6/0x1e0 [18550.100145][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18550.100145][ T7704] [18550.101810][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18550.101810][ T7704] neigh_parms_alloc+0x1e5/0x510 [18550.101810][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18550.101810][ T7704] ipv6_find_idev+0x102/0x170 [18550.101810][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18550.101810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18550.101810][ T7704] netlink_rcv_skb+0x130/0x360 [18550.101810][ T7704] netlink_unicast+0x449/0x710 [18550.101810][ T7704] netlink_sendmsg+0x723/0xbe0 [18550.101810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18550.101810][ T7704] ___sys_sendmsg+0xee/0x170 [18550.101810][ T7704] __sys_sendmsg+0xcd/0x170 [18550.101810][ T7704] do_syscall_64+0xc6/0x1e0 [18550.101810][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18550.101810][ T7704] [18560.356885][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18560.357736][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18560.357736][ T7704] netdev_get_by_index+0x5e/0x80 [18560.357736][ T7704] fib6_nh_init+0x3d8/0x15b0 [18560.357736][ T7704] ip6_route_info_create+0xf18/0x17d0 [18560.357736][ T7704] ip6_route_add+0x1c/0x140 [18560.357736][ T7704] addrconf_prefix_route+0x2a6/0x430 [18560.357736][ T7704] inet6_addr_add+0x4f8/0xa40 [18560.357736][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18560.357736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18560.357736][ T7704] netlink_rcv_skb+0x130/0x360 [18560.357736][ T7704] netlink_unicast+0x449/0x710 [18560.357736][ T7704] netlink_sendmsg+0x723/0xbe0 [18560.357736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18560.357736][ T7704] ___sys_sendmsg+0xee/0x170 [18560.357736][ T7704] __sys_sendmsg+0xcd/0x170 [18560.357736][ T7704] do_syscall_64+0xc6/0x1e0 [18560.357736][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18560.357736][ T7704] [18560.360021][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18560.360021][ T7704] netdev_get_by_index+0x5e/0x80 [18560.360021][ T7704] fib6_nh_init+0x3d8/0x15b0 [18560.360021][ T7704] ip6_route_info_create+0xf18/0x17d0 [18560.360021][ T7704] addrconf_f6i_alloc+0x315/0x560 [18560.360021][ T7704] ipv6_add_addr+0x411/0x2000 [18560.360021][ T7704] inet6_addr_add+0x30e/0xa40 [18560.360021][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18560.360021][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18560.360021][ T7704] netlink_rcv_skb+0x130/0x360 [18560.360021][ T7704] netlink_unicast+0x449/0x710 [18560.360021][ T7704] netlink_sendmsg+0x723/0xbe0 [18560.360021][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18560.360021][ T7704] ___sys_sendmsg+0xee/0x170 [18560.360021][ T7704] __sys_sendmsg+0xcd/0x170 [18560.360021][ T7704] do_syscall_64+0xc6/0x1e0 [18560.360021][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18560.360021][ T7704] [18560.362292][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18560.362292][ T7704] netdev_get_by_index+0x5e/0x80 [18560.362292][ T7704] fib6_nh_init+0x3d8/0x15b0 [18560.362292][ T7704] ip6_route_info_create+0xf18/0x17d0 [18560.362292][ T7704] ip6_route_add+0x1c/0x140 [18560.362292][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18560.362292][ T7704] addrconf_add_dev+0xe2/0x170 [18560.362292][ T7704] inet6_addr_add+0x12f/0xa40 [18560.362292][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18560.362292][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18560.362292][ T7704] netlink_rcv_skb+0x130/0x360 [18560.362292][ T7704] netlink_unicast+0x449/0x710 [18560.362292][ T7704] netlink_sendmsg+0x723/0xbe0 [18560.362292][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18560.362292][ T7704] ___sys_sendmsg+0xee/0x170 [18560.362292][ T7704] __sys_sendmsg+0xcd/0x170 [18560.362292][ T7704] do_syscall_64+0xc6/0x1e0 [18560.362292][ T7704] [18560.364524][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18560.364524][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18560.364524][ T7704] ipv6_find_idev+0x102/0x170 [18560.364524][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18560.364524][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18560.364524][ T7704] netlink_rcv_skb+0x130/0x360 [18560.364524][ T7704] netlink_unicast+0x449/0x710 [18560.364524][ T7704] netlink_sendmsg+0x723/0xbe0 [18560.364524][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18560.364524][ T7704] ___sys_sendmsg+0xee/0x170 [18560.364524][ T7704] __sys_sendmsg+0xcd/0x170 [18560.364524][ T7704] do_syscall_64+0xc6/0x1e0 [18560.364524][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18560.364524][ T7704] [18560.366354][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18560.366354][ T7704] neigh_parms_alloc+0x1e5/0x510 [18560.366354][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18560.366354][ T7704] ipv6_find_idev+0x102/0x170 [18560.366354][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18560.366354][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18560.366354][ T7704] netlink_rcv_skb+0x130/0x360 [18560.366354][ T7704] netlink_unicast+0x449/0x710 [18560.366354][ T7704] netlink_sendmsg+0x723/0xbe0 [18560.366354][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18560.366354][ T7704] ___sys_sendmsg+0xee/0x170 [18560.366354][ T7704] __sys_sendmsg+0xcd/0x170 [18560.366354][ T7704] do_syscall_64+0xc6/0x1e0 [18560.366354][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18560.366354][ T7704] [18570.468903][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18570.469774][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18570.469774][ T7704] netdev_get_by_index+0x5e/0x80 [18570.469774][ T7704] fib6_nh_init+0x3d8/0x15b0 [18570.469774][ T7704] ip6_route_info_create+0xf18/0x17d0 [18570.469774][ T7704] ip6_route_add+0x1c/0x140 [18570.469774][ T7704] addrconf_prefix_route+0x2a6/0x430 [18570.469774][ T7704] inet6_addr_add+0x4f8/0xa40 [18570.469774][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18570.469774][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18570.469774][ T7704] netlink_rcv_skb+0x130/0x360 [18570.469774][ T7704] netlink_unicast+0x449/0x710 [18570.469774][ T7704] netlink_sendmsg+0x723/0xbe0 [18570.469774][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18570.469774][ T7704] ___sys_sendmsg+0xee/0x170 [18570.469774][ T7704] __sys_sendmsg+0xcd/0x170 [18570.469774][ T7704] do_syscall_64+0xc6/0x1e0 [18570.469774][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18570.469774][ T7704] [18570.472025][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18570.472025][ T7704] netdev_get_by_index+0x5e/0x80 [18570.472025][ T7704] fib6_nh_init+0x3d8/0x15b0 [18570.472025][ T7704] ip6_route_info_create+0xf18/0x17d0 [18570.472025][ T7704] addrconf_f6i_alloc+0x315/0x560 [18570.472025][ T7704] ipv6_add_addr+0x411/0x2000 [18570.472025][ T7704] inet6_addr_add+0x30e/0xa40 [18570.472025][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18570.472025][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18570.472025][ T7704] netlink_rcv_skb+0x130/0x360 [18570.472025][ T7704] netlink_unicast+0x449/0x710 [18570.472025][ T7704] netlink_sendmsg+0x723/0xbe0 [18570.472025][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18570.472025][ T7704] ___sys_sendmsg+0xee/0x170 [18570.472025][ T7704] __sys_sendmsg+0xcd/0x170 [18570.472025][ T7704] do_syscall_64+0xc6/0x1e0 [18570.472025][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18570.472025][ T7704] [18570.474271][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18570.474271][ T7704] netdev_get_by_index+0x5e/0x80 [18570.474271][ T7704] fib6_nh_init+0x3d8/0x15b0 [18570.474271][ T7704] ip6_route_info_create+0xf18/0x17d0 [18570.474271][ T7704] ip6_route_add+0x1c/0x140 [18570.474271][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18570.474271][ T7704] addrconf_add_dev+0xe2/0x170 [18570.474271][ T7704] inet6_addr_add+0x12f/0xa40 [18570.474271][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18570.474271][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18570.474271][ T7704] netlink_rcv_skb+0x130/0x360 [18570.474271][ T7704] netlink_unicast+0x449/0x710 [18570.474271][ T7704] netlink_sendmsg+0x723/0xbe0 [18570.474271][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18570.474271][ T7704] ___sys_sendmsg+0xee/0x170 [18570.474271][ T7704] __sys_sendmsg+0xcd/0x170 [18570.474271][ T7704] do_syscall_64+0xc6/0x1e0 [18570.474271][ T7704] [18570.476507][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18570.476507][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18570.476507][ T7704] ipv6_find_idev+0x102/0x170 [18570.476507][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18570.476507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18570.476507][ T7704] netlink_rcv_skb+0x130/0x360 [18570.476507][ T7704] netlink_unicast+0x449/0x710 [18570.476507][ T7704] netlink_sendmsg+0x723/0xbe0 [18570.476507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18570.476507][ T7704] ___sys_sendmsg+0xee/0x170 [18570.476507][ T7704] __sys_sendmsg+0xcd/0x170 [18570.476507][ T7704] do_syscall_64+0xc6/0x1e0 [18570.476507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18570.476507][ T7704] [18570.478216][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18570.478216][ T7704] neigh_parms_alloc+0x1e5/0x510 [18570.478216][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18570.478216][ T7704] ipv6_find_idev+0x102/0x170 [18570.478216][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18570.478216][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18570.478216][ T7704] netlink_rcv_skb+0x130/0x360 [18570.478216][ T7704] netlink_unicast+0x449/0x710 [18570.478216][ T7704] netlink_sendmsg+0x723/0xbe0 [18570.478216][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18570.478216][ T7704] ___sys_sendmsg+0xee/0x170 [18570.478216][ T7704] __sys_sendmsg+0xcd/0x170 [18570.478216][ T7704] do_syscall_64+0xc6/0x1e0 [18570.478216][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18570.478216][ T7704] [18580.716975][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18580.717762][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18580.717762][ T7704] netdev_get_by_index+0x5e/0x80 [18580.717762][ T7704] fib6_nh_init+0x3d8/0x15b0 [18580.717762][ T7704] ip6_route_info_create+0xf18/0x17d0 [18580.717762][ T7704] ip6_route_add+0x1c/0x140 [18580.717762][ T7704] addrconf_prefix_route+0x2a6/0x430 [18580.717762][ T7704] inet6_addr_add+0x4f8/0xa40 [18580.717762][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18580.717762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18580.717762][ T7704] netlink_rcv_skb+0x130/0x360 [18580.717762][ T7704] netlink_unicast+0x449/0x710 [18580.717762][ T7704] netlink_sendmsg+0x723/0xbe0 [18580.717762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18580.717762][ T7704] ___sys_sendmsg+0xee/0x170 [18580.717762][ T7704] __sys_sendmsg+0xcd/0x170 [18580.717762][ T7704] do_syscall_64+0xc6/0x1e0 [18580.717762][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18580.717762][ T7704] [18580.719966][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18580.719966][ T7704] netdev_get_by_index+0x5e/0x80 [18580.719966][ T7704] fib6_nh_init+0x3d8/0x15b0 [18580.719966][ T7704] ip6_route_info_create+0xf18/0x17d0 [18580.719966][ T7704] addrconf_f6i_alloc+0x315/0x560 [18580.719966][ T7704] ipv6_add_addr+0x411/0x2000 [18580.719966][ T7704] inet6_addr_add+0x30e/0xa40 [18580.719966][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18580.719966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18580.719966][ T7704] netlink_rcv_skb+0x130/0x360 [18580.719966][ T7704] netlink_unicast+0x449/0x710 [18580.719966][ T7704] netlink_sendmsg+0x723/0xbe0 [18580.719966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18580.719966][ T7704] ___sys_sendmsg+0xee/0x170 [18580.719966][ T7704] __sys_sendmsg+0xcd/0x170 [18580.719966][ T7704] do_syscall_64+0xc6/0x1e0 [18580.719966][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18580.719966][ T7704] [18580.722106][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18580.722106][ T7704] netdev_get_by_index+0x5e/0x80 [18580.722106][ T7704] fib6_nh_init+0x3d8/0x15b0 [18580.722106][ T7704] ip6_route_info_create+0xf18/0x17d0 [18580.722106][ T7704] ip6_route_add+0x1c/0x140 [18580.722106][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18580.722106][ T7704] addrconf_add_dev+0xe2/0x170 [18580.722106][ T7704] inet6_addr_add+0x12f/0xa40 [18580.722106][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18580.722106][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18580.722106][ T7704] netlink_rcv_skb+0x130/0x360 [18580.722106][ T7704] netlink_unicast+0x449/0x710 [18580.722106][ T7704] netlink_sendmsg+0x723/0xbe0 [18580.722106][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18580.722106][ T7704] ___sys_sendmsg+0xee/0x170 [18580.722106][ T7704] __sys_sendmsg+0xcd/0x170 [18580.722106][ T7704] do_syscall_64+0xc6/0x1e0 [18580.722106][ T7704] [18580.724179][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18580.724179][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18580.724179][ T7704] ipv6_find_idev+0x102/0x170 [18580.724179][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18580.724179][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18580.724179][ T7704] netlink_rcv_skb+0x130/0x360 [18580.724179][ T7704] netlink_unicast+0x449/0x710 [18580.724179][ T7704] netlink_sendmsg+0x723/0xbe0 [18580.724179][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18580.724179][ T7704] ___sys_sendmsg+0xee/0x170 [18580.724179][ T7704] __sys_sendmsg+0xcd/0x170 [18580.724179][ T7704] do_syscall_64+0xc6/0x1e0 [18580.724179][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18580.724179][ T7704] [18580.725814][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18580.725814][ T7704] neigh_parms_alloc+0x1e5/0x510 [18580.725814][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18580.725814][ T7704] ipv6_find_idev+0x102/0x170 [18580.725814][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18580.725814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18580.725814][ T7704] netlink_rcv_skb+0x130/0x360 [18580.725814][ T7704] netlink_unicast+0x449/0x710 [18580.725814][ T7704] netlink_sendmsg+0x723/0xbe0 [18580.725814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18580.725814][ T7704] ___sys_sendmsg+0xee/0x170 [18580.725814][ T7704] __sys_sendmsg+0xcd/0x170 [18580.725814][ T7704] do_syscall_64+0xc6/0x1e0 [18580.725814][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18580.725814][ T7704] [18590.964893][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18590.965683][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18590.965683][ T7704] netdev_get_by_index+0x5e/0x80 [18590.965683][ T7704] fib6_nh_init+0x3d8/0x15b0 [18590.965683][ T7704] ip6_route_info_create+0xf18/0x17d0 [18590.965683][ T7704] ip6_route_add+0x1c/0x140 [18590.965683][ T7704] addrconf_prefix_route+0x2a6/0x430 [18590.965683][ T7704] inet6_addr_add+0x4f8/0xa40 [18590.965683][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18590.965683][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18590.965683][ T7704] netlink_rcv_skb+0x130/0x360 [18590.965683][ T7704] netlink_unicast+0x449/0x710 [18590.965683][ T7704] netlink_sendmsg+0x723/0xbe0 [18590.965683][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18590.965683][ T7704] ___sys_sendmsg+0xee/0x170 [18590.965683][ T7704] __sys_sendmsg+0xcd/0x170 [18590.965683][ T7704] do_syscall_64+0xc6/0x1e0 [18590.965683][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18590.965683][ T7704] [18590.967885][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18590.967885][ T7704] netdev_get_by_index+0x5e/0x80 [18590.967885][ T7704] fib6_nh_init+0x3d8/0x15b0 [18590.967885][ T7704] ip6_route_info_create+0xf18/0x17d0 [18590.967885][ T7704] addrconf_f6i_alloc+0x315/0x560 [18590.967885][ T7704] ipv6_add_addr+0x411/0x2000 [18590.967885][ T7704] inet6_addr_add+0x30e/0xa40 [18590.967885][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18590.967885][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18590.967885][ T7704] netlink_rcv_skb+0x130/0x360 [18590.967885][ T7704] netlink_unicast+0x449/0x710 [18590.967885][ T7704] netlink_sendmsg+0x723/0xbe0 [18590.967885][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18590.967885][ T7704] ___sys_sendmsg+0xee/0x170 [18590.967885][ T7704] __sys_sendmsg+0xcd/0x170 [18590.967885][ T7704] do_syscall_64+0xc6/0x1e0 [18590.967885][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18590.967885][ T7704] [18590.970082][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18590.970082][ T7704] netdev_get_by_index+0x5e/0x80 [18590.970082][ T7704] fib6_nh_init+0x3d8/0x15b0 [18590.970082][ T7704] ip6_route_info_create+0xf18/0x17d0 [18590.970082][ T7704] ip6_route_add+0x1c/0x140 [18590.970082][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18590.970082][ T7704] addrconf_add_dev+0xe2/0x170 [18590.970082][ T7704] inet6_addr_add+0x12f/0xa40 [18590.970082][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18590.970082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18590.970082][ T7704] netlink_rcv_skb+0x130/0x360 [18590.970082][ T7704] netlink_unicast+0x449/0x710 [18590.970082][ T7704] netlink_sendmsg+0x723/0xbe0 [18590.970082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18590.970082][ T7704] ___sys_sendmsg+0xee/0x170 [18590.970082][ T7704] __sys_sendmsg+0xcd/0x170 [18590.970082][ T7704] do_syscall_64+0xc6/0x1e0 [18590.970082][ T7704] [18590.972382][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18590.972382][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18590.972382][ T7704] ipv6_find_idev+0x102/0x170 [18590.972382][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18590.972382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18590.972382][ T7704] netlink_rcv_skb+0x130/0x360 [18590.972382][ T7704] netlink_unicast+0x449/0x710 [18590.972382][ T7704] netlink_sendmsg+0x723/0xbe0 [18590.972382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18590.972382][ T7704] ___sys_sendmsg+0xee/0x170 [18590.972382][ T7704] __sys_sendmsg+0xcd/0x170 [18590.972382][ T7704] do_syscall_64+0xc6/0x1e0 [18590.972382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18590.972382][ T7704] [18590.974070][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18590.974070][ T7704] neigh_parms_alloc+0x1e5/0x510 [18590.974070][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18590.974070][ T7704] ipv6_find_idev+0x102/0x170 [18590.974070][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18590.974070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18590.974070][ T7704] netlink_rcv_skb+0x130/0x360 [18590.974070][ T7704] netlink_unicast+0x449/0x710 [18590.974070][ T7704] netlink_sendmsg+0x723/0xbe0 [18590.974070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18590.974070][ T7704] ___sys_sendmsg+0xee/0x170 [18590.974070][ T7704] __sys_sendmsg+0xcd/0x170 [18590.974070][ T7704] do_syscall_64+0xc6/0x1e0 [18590.974070][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18590.974070][ T7704] [18601.212922][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18601.213854][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18601.213854][ T7704] netdev_get_by_index+0x5e/0x80 [18601.213854][ T7704] fib6_nh_init+0x3d8/0x15b0 [18601.213854][ T7704] ip6_route_info_create+0xf18/0x17d0 [18601.213854][ T7704] ip6_route_add+0x1c/0x140 [18601.213854][ T7704] addrconf_prefix_route+0x2a6/0x430 [18601.213854][ T7704] inet6_addr_add+0x4f8/0xa40 [18601.213854][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18601.213854][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18601.213854][ T7704] netlink_rcv_skb+0x130/0x360 [18601.213854][ T7704] netlink_unicast+0x449/0x710 [18601.213854][ T7704] netlink_sendmsg+0x723/0xbe0 [18601.213854][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18601.213854][ T7704] ___sys_sendmsg+0xee/0x170 [18601.213854][ T7704] __sys_sendmsg+0xcd/0x170 [18601.213854][ T7704] do_syscall_64+0xc6/0x1e0 [18601.213854][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18601.213854][ T7704] [18601.216065][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18601.216065][ T7704] netdev_get_by_index+0x5e/0x80 [18601.216065][ T7704] fib6_nh_init+0x3d8/0x15b0 [18601.216065][ T7704] ip6_route_info_create+0xf18/0x17d0 [18601.216065][ T7704] addrconf_f6i_alloc+0x315/0x560 [18601.216065][ T7704] ipv6_add_addr+0x411/0x2000 [18601.216065][ T7704] inet6_addr_add+0x30e/0xa40 [18601.216065][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18601.216065][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18601.216065][ T7704] netlink_rcv_skb+0x130/0x360 [18601.216065][ T7704] netlink_unicast+0x449/0x710 [18601.216065][ T7704] netlink_sendmsg+0x723/0xbe0 [18601.216065][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18601.216065][ T7704] ___sys_sendmsg+0xee/0x170 [18601.216065][ T7704] __sys_sendmsg+0xcd/0x170 [18601.216065][ T7704] do_syscall_64+0xc6/0x1e0 [18601.216065][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18601.216065][ T7704] [18601.218200][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18601.218200][ T7704] netdev_get_by_index+0x5e/0x80 [18601.218200][ T7704] fib6_nh_init+0x3d8/0x15b0 [18601.218200][ T7704] ip6_route_info_create+0xf18/0x17d0 [18601.218200][ T7704] ip6_route_add+0x1c/0x140 [18601.218200][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18601.218200][ T7704] addrconf_add_dev+0xe2/0x170 [18601.218200][ T7704] inet6_addr_add+0x12f/0xa40 [18601.218200][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18601.218200][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18601.218200][ T7704] netlink_rcv_skb+0x130/0x360 [18601.218200][ T7704] netlink_unicast+0x449/0x710 [18601.218200][ T7704] netlink_sendmsg+0x723/0xbe0 [18601.218200][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18601.218200][ T7704] ___sys_sendmsg+0xee/0x170 [18601.218200][ T7704] __sys_sendmsg+0xcd/0x170 [18601.218200][ T7704] do_syscall_64+0xc6/0x1e0 [18601.218200][ T7704] [18601.220292][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18601.220292][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18601.220292][ T7704] ipv6_find_idev+0x102/0x170 [18601.220292][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18601.220292][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18601.220292][ T7704] netlink_rcv_skb+0x130/0x360 [18601.220292][ T7704] netlink_unicast+0x449/0x710 [18601.220292][ T7704] netlink_sendmsg+0x723/0xbe0 [18601.220292][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18601.220292][ T7704] ___sys_sendmsg+0xee/0x170 [18601.220292][ T7704] __sys_sendmsg+0xcd/0x170 [18601.220292][ T7704] do_syscall_64+0xc6/0x1e0 [18601.220292][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18601.220292][ T7704] [18601.221930][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18601.221930][ T7704] neigh_parms_alloc+0x1e5/0x510 [18601.221930][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18601.221930][ T7704] ipv6_find_idev+0x102/0x170 [18601.221930][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18601.221930][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18601.221930][ T7704] netlink_rcv_skb+0x130/0x360 [18601.221930][ T7704] netlink_unicast+0x449/0x710 [18601.221930][ T7704] netlink_sendmsg+0x723/0xbe0 [18601.221930][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18601.221930][ T7704] ___sys_sendmsg+0xee/0x170 [18601.221930][ T7704] __sys_sendmsg+0xcd/0x170 [18601.221930][ T7704] do_syscall_64+0xc6/0x1e0 [18601.221930][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18601.221930][ T7704] [18611.396869][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18611.397848][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18611.397848][ T7704] netdev_get_by_index+0x5e/0x80 [18611.397848][ T7704] fib6_nh_init+0x3d8/0x15b0 [18611.397848][ T7704] ip6_route_info_create+0xf18/0x17d0 [18611.397848][ T7704] ip6_route_add+0x1c/0x140 [18611.397848][ T7704] addrconf_prefix_route+0x2a6/0x430 [18611.397848][ T7704] inet6_addr_add+0x4f8/0xa40 [18611.397848][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18611.397848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18611.397848][ T7704] netlink_rcv_skb+0x130/0x360 [18611.397848][ T7704] netlink_unicast+0x449/0x710 [18611.397848][ T7704] netlink_sendmsg+0x723/0xbe0 [18611.397848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18611.397848][ T7704] ___sys_sendmsg+0xee/0x170 [18611.397848][ T7704] __sys_sendmsg+0xcd/0x170 [18611.397848][ T7704] do_syscall_64+0xc6/0x1e0 [18611.397848][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18611.397848][ T7704] [18611.400163][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18611.400163][ T7704] netdev_get_by_index+0x5e/0x80 [18611.400163][ T7704] fib6_nh_init+0x3d8/0x15b0 [18611.400163][ T7704] ip6_route_info_create+0xf18/0x17d0 [18611.400163][ T7704] addrconf_f6i_alloc+0x315/0x560 [18611.400163][ T7704] ipv6_add_addr+0x411/0x2000 [18611.400163][ T7704] inet6_addr_add+0x30e/0xa40 [18611.400163][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18611.400163][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18611.400163][ T7704] netlink_rcv_skb+0x130/0x360 [18611.400163][ T7704] netlink_unicast+0x449/0x710 [18611.400163][ T7704] netlink_sendmsg+0x723/0xbe0 [18611.400163][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18611.400163][ T7704] ___sys_sendmsg+0xee/0x170 [18611.400163][ T7704] __sys_sendmsg+0xcd/0x170 [18611.400163][ T7704] do_syscall_64+0xc6/0x1e0 [18611.400163][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18611.400163][ T7704] [18611.402368][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18611.402368][ T7704] netdev_get_by_index+0x5e/0x80 [18611.402368][ T7704] fib6_nh_init+0x3d8/0x15b0 [18611.402368][ T7704] ip6_route_info_create+0xf18/0x17d0 [18611.402368][ T7704] ip6_route_add+0x1c/0x140 [18611.402368][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18611.402368][ T7704] addrconf_add_dev+0xe2/0x170 [18611.402368][ T7704] inet6_addr_add+0x12f/0xa40 [18611.402368][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18611.402368][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18611.402368][ T7704] netlink_rcv_skb+0x130/0x360 [18611.402368][ T7704] netlink_unicast+0x449/0x710 [18611.402368][ T7704] netlink_sendmsg+0x723/0xbe0 [18611.402368][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18611.402368][ T7704] ___sys_sendmsg+0xee/0x170 [18611.402368][ T7704] __sys_sendmsg+0xcd/0x170 [18611.402368][ T7704] do_syscall_64+0xc6/0x1e0 [18611.402368][ T7704] [18611.404538][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18611.404538][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18611.404538][ T7704] ipv6_find_idev+0x102/0x170 [18611.404538][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18611.404538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18611.404538][ T7704] netlink_rcv_skb+0x130/0x360 [18611.404538][ T7704] netlink_unicast+0x449/0x710 [18611.404538][ T7704] netlink_sendmsg+0x723/0xbe0 [18611.404538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18611.404538][ T7704] ___sys_sendmsg+0xee/0x170 [18611.404538][ T7704] __sys_sendmsg+0xcd/0x170 [18611.404538][ T7704] do_syscall_64+0xc6/0x1e0 [18611.404538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18611.404538][ T7704] [18611.406233][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18611.406233][ T7704] neigh_parms_alloc+0x1e5/0x510 [18611.406233][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18611.406233][ T7704] ipv6_find_idev+0x102/0x170 [18611.406233][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18611.406233][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18611.406233][ T7704] netlink_rcv_skb+0x130/0x360 [18611.406233][ T7704] netlink_unicast+0x449/0x710 [18611.406233][ T7704] netlink_sendmsg+0x723/0xbe0 [18611.406233][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18611.406233][ T7704] ___sys_sendmsg+0xee/0x170 [18611.406233][ T7704] __sys_sendmsg+0xcd/0x170 [18611.406233][ T7704] do_syscall_64+0xc6/0x1e0 [18611.406233][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18611.406233][ T7704] [18621.492816][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18621.493350][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18621.493350][ T7704] netdev_get_by_index+0x5e/0x80 [18621.493350][ T7704] fib6_nh_init+0x3d8/0x15b0 [18621.493350][ T7704] ip6_route_info_create+0xf18/0x17d0 [18621.493350][ T7704] ip6_route_add+0x1c/0x140 [18621.493350][ T7704] addrconf_prefix_route+0x2a6/0x430 [18621.493350][ T7704] inet6_addr_add+0x4f8/0xa40 [18621.493350][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18621.493350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18621.493350][ T7704] netlink_rcv_skb+0x130/0x360 [18621.493350][ T7704] netlink_unicast+0x449/0x710 [18621.493350][ T7704] netlink_sendmsg+0x723/0xbe0 [18621.493350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18621.493350][ T7704] ___sys_sendmsg+0xee/0x170 [18621.493350][ T7704] __sys_sendmsg+0xcd/0x170 [18621.493350][ T7704] do_syscall_64+0xc6/0x1e0 [18621.493350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18621.493350][ T7704] [18621.495649][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18621.495649][ T7704] netdev_get_by_index+0x5e/0x80 [18621.495649][ T7704] fib6_nh_init+0x3d8/0x15b0 [18621.495649][ T7704] ip6_route_info_create+0xf18/0x17d0 [18621.495649][ T7704] addrconf_f6i_alloc+0x315/0x560 [18621.495649][ T7704] ipv6_add_addr+0x411/0x2000 [18621.495649][ T7704] inet6_addr_add+0x30e/0xa40 [18621.495649][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18621.495649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18621.495649][ T7704] netlink_rcv_skb+0x130/0x360 [18621.495649][ T7704] netlink_unicast+0x449/0x710 [18621.495649][ T7704] netlink_sendmsg+0x723/0xbe0 [18621.495649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18621.495649][ T7704] ___sys_sendmsg+0xee/0x170 [18621.495649][ T7704] __sys_sendmsg+0xcd/0x170 [18621.495649][ T7704] do_syscall_64+0xc6/0x1e0 [18621.495649][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18621.495649][ T7704] [18621.497942][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18621.497942][ T7704] netdev_get_by_index+0x5e/0x80 [18621.497942][ T7704] fib6_nh_init+0x3d8/0x15b0 [18621.497942][ T7704] ip6_route_info_create+0xf18/0x17d0 [18621.497942][ T7704] ip6_route_add+0x1c/0x140 [18621.497942][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18621.497942][ T7704] addrconf_add_dev+0xe2/0x170 [18621.497942][ T7704] inet6_addr_add+0x12f/0xa40 [18621.497942][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18621.497942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18621.497942][ T7704] netlink_rcv_skb+0x130/0x360 [18621.497942][ T7704] netlink_unicast+0x449/0x710 [18621.497942][ T7704] netlink_sendmsg+0x723/0xbe0 [18621.497942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18621.497942][ T7704] ___sys_sendmsg+0xee/0x170 [18621.497942][ T7704] __sys_sendmsg+0xcd/0x170 [18621.497942][ T7704] do_syscall_64+0xc6/0x1e0 [18621.497942][ T7704] [18621.500118][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18621.500118][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18621.500118][ T7704] ipv6_find_idev+0x102/0x170 [18621.500118][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18621.500118][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18621.500118][ T7704] netlink_rcv_skb+0x130/0x360 [18621.500118][ T7704] netlink_unicast+0x449/0x710 [18621.500118][ T7704] netlink_sendmsg+0x723/0xbe0 [18621.500118][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18621.500118][ T7704] ___sys_sendmsg+0xee/0x170 [18621.500118][ T7704] __sys_sendmsg+0xcd/0x170 [18621.500118][ T7704] do_syscall_64+0xc6/0x1e0 [18621.500118][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18621.500118][ T7704] [18621.501800][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18621.501800][ T7704] neigh_parms_alloc+0x1e5/0x510 [18621.501800][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18621.501800][ T7704] ipv6_find_idev+0x102/0x170 [18621.501800][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18621.501800][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18621.501800][ T7704] netlink_rcv_skb+0x130/0x360 [18621.501800][ T7704] netlink_unicast+0x449/0x710 [18621.501800][ T7704] netlink_sendmsg+0x723/0xbe0 [18621.501800][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18621.501800][ T7704] ___sys_sendmsg+0xee/0x170 [18621.501800][ T7704] __sys_sendmsg+0xcd/0x170 [18621.501800][ T7704] do_syscall_64+0xc6/0x1e0 [18621.501800][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18621.501800][ T7704] [18631.604847][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18631.605499][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18631.605499][ T7704] netdev_get_by_index+0x5e/0x80 [18631.605499][ T7704] fib6_nh_init+0x3d8/0x15b0 [18631.605499][ T7704] ip6_route_info_create+0xf18/0x17d0 [18631.605499][ T7704] ip6_route_add+0x1c/0x140 [18631.605499][ T7704] addrconf_prefix_route+0x2a6/0x430 [18631.605499][ T7704] inet6_addr_add+0x4f8/0xa40 [18631.605499][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18631.605499][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18631.605499][ T7704] netlink_rcv_skb+0x130/0x360 [18631.605499][ T7704] netlink_unicast+0x449/0x710 [18631.605499][ T7704] netlink_sendmsg+0x723/0xbe0 [18631.605499][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18631.605499][ T7704] ___sys_sendmsg+0xee/0x170 [18631.605499][ T7704] __sys_sendmsg+0xcd/0x170 [18631.605499][ T7704] do_syscall_64+0xc6/0x1e0 [18631.605499][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18631.605499][ T7704] [18631.607884][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18631.607884][ T7704] netdev_get_by_index+0x5e/0x80 [18631.607884][ T7704] fib6_nh_init+0x3d8/0x15b0 [18631.607884][ T7704] ip6_route_info_create+0xf18/0x17d0 [18631.607884][ T7704] addrconf_f6i_alloc+0x315/0x560 [18631.607884][ T7704] ipv6_add_addr+0x411/0x2000 [18631.607884][ T7704] inet6_addr_add+0x30e/0xa40 [18631.607884][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18631.607884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18631.607884][ T7704] netlink_rcv_skb+0x130/0x360 [18631.607884][ T7704] netlink_unicast+0x449/0x710 [18631.607884][ T7704] netlink_sendmsg+0x723/0xbe0 [18631.607884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18631.607884][ T7704] ___sys_sendmsg+0xee/0x170 [18631.607884][ T7704] __sys_sendmsg+0xcd/0x170 [18631.607884][ T7704] do_syscall_64+0xc6/0x1e0 [18631.607884][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18631.607884][ T7704] [18631.610261][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18631.610261][ T7704] netdev_get_by_index+0x5e/0x80 [18631.610261][ T7704] fib6_nh_init+0x3d8/0x15b0 [18631.610261][ T7704] ip6_route_info_create+0xf18/0x17d0 [18631.610261][ T7704] ip6_route_add+0x1c/0x140 [18631.610261][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18631.610261][ T7704] addrconf_add_dev+0xe2/0x170 [18631.610261][ T7704] inet6_addr_add+0x12f/0xa40 [18631.610261][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18631.610261][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18631.610261][ T7704] netlink_rcv_skb+0x130/0x360 [18631.610261][ T7704] netlink_unicast+0x449/0x710 [18631.610261][ T7704] netlink_sendmsg+0x723/0xbe0 [18631.610261][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18631.610261][ T7704] ___sys_sendmsg+0xee/0x170 [18631.610261][ T7704] __sys_sendmsg+0xcd/0x170 [18631.610261][ T7704] do_syscall_64+0xc6/0x1e0 [18631.610261][ T7704] [18631.612548][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18631.612548][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18631.612548][ T7704] ipv6_find_idev+0x102/0x170 [18631.612548][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18631.612548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18631.612548][ T7704] netlink_rcv_skb+0x130/0x360 [18631.612548][ T7704] netlink_unicast+0x449/0x710 [18631.612548][ T7704] netlink_sendmsg+0x723/0xbe0 [18631.612548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18631.612548][ T7704] ___sys_sendmsg+0xee/0x170 [18631.612548][ T7704] __sys_sendmsg+0xcd/0x170 [18631.612548][ T7704] do_syscall_64+0xc6/0x1e0 [18631.612548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18631.612548][ T7704] [18631.614303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18631.614303][ T7704] neigh_parms_alloc+0x1e5/0x510 [18631.614303][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18631.614303][ T7704] ipv6_find_idev+0x102/0x170 [18631.614303][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18631.614303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18631.614303][ T7704] netlink_rcv_skb+0x130/0x360 [18631.614303][ T7704] netlink_unicast+0x449/0x710 [18631.614303][ T7704] netlink_sendmsg+0x723/0xbe0 [18631.614303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18631.614303][ T7704] ___sys_sendmsg+0xee/0x170 [18631.614303][ T7704] __sys_sendmsg+0xcd/0x170 [18631.614303][ T7704] do_syscall_64+0xc6/0x1e0 [18631.614303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18631.614303][ T7704] [18641.748911][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18641.749611][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18641.749611][ T7704] netdev_get_by_index+0x5e/0x80 [18641.749611][ T7704] fib6_nh_init+0x3d8/0x15b0 [18641.749611][ T7704] ip6_route_info_create+0xf18/0x17d0 [18641.749611][ T7704] ip6_route_add+0x1c/0x140 [18641.749611][ T7704] addrconf_prefix_route+0x2a6/0x430 [18641.749611][ T7704] inet6_addr_add+0x4f8/0xa40 [18641.749611][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18641.749611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18641.749611][ T7704] netlink_rcv_skb+0x130/0x360 [18641.749611][ T7704] netlink_unicast+0x449/0x710 [18641.749611][ T7704] netlink_sendmsg+0x723/0xbe0 [18641.749611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18641.749611][ T7704] ___sys_sendmsg+0xee/0x170 [18641.749611][ T7704] __sys_sendmsg+0xcd/0x170 [18641.749611][ T7704] do_syscall_64+0xc6/0x1e0 [18641.749611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18641.749611][ T7704] [18641.751907][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18641.751907][ T7704] netdev_get_by_index+0x5e/0x80 [18641.751907][ T7704] fib6_nh_init+0x3d8/0x15b0 [18641.751907][ T7704] ip6_route_info_create+0xf18/0x17d0 [18641.751907][ T7704] addrconf_f6i_alloc+0x315/0x560 [18641.751907][ T7704] ipv6_add_addr+0x411/0x2000 [18641.751907][ T7704] inet6_addr_add+0x30e/0xa40 [18641.751907][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18641.751907][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18641.751907][ T7704] netlink_rcv_skb+0x130/0x360 [18641.751907][ T7704] netlink_unicast+0x449/0x710 [18641.751907][ T7704] netlink_sendmsg+0x723/0xbe0 [18641.751907][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18641.751907][ T7704] ___sys_sendmsg+0xee/0x170 [18641.751907][ T7704] __sys_sendmsg+0xcd/0x170 [18641.751907][ T7704] do_syscall_64+0xc6/0x1e0 [18641.751907][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18641.751907][ T7704] [18641.754274][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18641.754274][ T7704] netdev_get_by_index+0x5e/0x80 [18641.754274][ T7704] fib6_nh_init+0x3d8/0x15b0 [18641.754274][ T7704] ip6_route_info_create+0xf18/0x17d0 [18641.754274][ T7704] ip6_route_add+0x1c/0x140 [18641.754274][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18641.754274][ T7704] addrconf_add_dev+0xe2/0x170 [18641.754274][ T7704] inet6_addr_add+0x12f/0xa40 [18641.754274][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18641.754274][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18641.754274][ T7704] netlink_rcv_skb+0x130/0x360 [18641.754274][ T7704] netlink_unicast+0x449/0x710 [18641.754274][ T7704] netlink_sendmsg+0x723/0xbe0 [18641.754274][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18641.754274][ T7704] ___sys_sendmsg+0xee/0x170 [18641.754274][ T7704] __sys_sendmsg+0xcd/0x170 [18641.754274][ T7704] do_syscall_64+0xc6/0x1e0 [18641.754274][ T7704] [18641.756556][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18641.756556][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18641.756556][ T7704] ipv6_find_idev+0x102/0x170 [18641.756556][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18641.756556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18641.756556][ T7704] netlink_rcv_skb+0x130/0x360 [18641.756556][ T7704] netlink_unicast+0x449/0x710 [18641.756556][ T7704] netlink_sendmsg+0x723/0xbe0 [18641.756556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18641.756556][ T7704] ___sys_sendmsg+0xee/0x170 [18641.756556][ T7704] __sys_sendmsg+0xcd/0x170 [18641.756556][ T7704] do_syscall_64+0xc6/0x1e0 [18641.756556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18641.756556][ T7704] [18641.758368][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18641.758368][ T7704] neigh_parms_alloc+0x1e5/0x510 [18641.758368][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18641.758368][ T7704] ipv6_find_idev+0x102/0x170 [18641.758368][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18641.758368][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18641.758368][ T7704] netlink_rcv_skb+0x130/0x360 [18641.758368][ T7704] netlink_unicast+0x449/0x710 [18641.758368][ T7704] netlink_sendmsg+0x723/0xbe0 [18641.758368][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18641.758368][ T7704] ___sys_sendmsg+0xee/0x170 [18641.758368][ T7704] __sys_sendmsg+0xcd/0x170 [18641.758368][ T7704] do_syscall_64+0xc6/0x1e0 [18641.758368][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18641.758368][ T7704] [18651.996920][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18651.997752][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18651.997752][ T7704] netdev_get_by_index+0x5e/0x80 [18651.997752][ T7704] fib6_nh_init+0x3d8/0x15b0 [18651.997752][ T7704] ip6_route_info_create+0xf18/0x17d0 [18651.997752][ T7704] ip6_route_add+0x1c/0x140 [18651.997752][ T7704] addrconf_prefix_route+0x2a6/0x430 [18651.997752][ T7704] inet6_addr_add+0x4f8/0xa40 [18651.997752][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18651.997752][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18651.997752][ T7704] netlink_rcv_skb+0x130/0x360 [18651.997752][ T7704] netlink_unicast+0x449/0x710 [18651.997752][ T7704] netlink_sendmsg+0x723/0xbe0 [18651.997752][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18651.997752][ T7704] ___sys_sendmsg+0xee/0x170 [18651.997752][ T7704] __sys_sendmsg+0xcd/0x170 [18651.997752][ T7704] do_syscall_64+0xc6/0x1e0 [18651.997752][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18651.997752][ T7704] [18652.000114][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18652.000114][ T7704] netdev_get_by_index+0x5e/0x80 [18652.000114][ T7704] fib6_nh_init+0x3d8/0x15b0 [18652.000114][ T7704] ip6_route_info_create+0xf18/0x17d0 [18652.000114][ T7704] addrconf_f6i_alloc+0x315/0x560 [18652.000114][ T7704] ipv6_add_addr+0x411/0x2000 [18652.000114][ T7704] inet6_addr_add+0x30e/0xa40 [18652.000114][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18652.000114][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18652.000114][ T7704] netlink_rcv_skb+0x130/0x360 [18652.000114][ T7704] netlink_unicast+0x449/0x710 [18652.000114][ T7704] netlink_sendmsg+0x723/0xbe0 [18652.000114][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18652.000114][ T7704] ___sys_sendmsg+0xee/0x170 [18652.000114][ T7704] __sys_sendmsg+0xcd/0x170 [18652.000114][ T7704] do_syscall_64+0xc6/0x1e0 [18652.000114][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18652.000114][ T7704] [18652.002395][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18652.002395][ T7704] netdev_get_by_index+0x5e/0x80 [18652.002395][ T7704] fib6_nh_init+0x3d8/0x15b0 [18652.002395][ T7704] ip6_route_info_create+0xf18/0x17d0 [18652.002395][ T7704] ip6_route_add+0x1c/0x140 [18652.002395][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18652.002395][ T7704] addrconf_add_dev+0xe2/0x170 [18652.002395][ T7704] inet6_addr_add+0x12f/0xa40 [18652.002395][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18652.002395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18652.002395][ T7704] netlink_rcv_skb+0x130/0x360 [18652.002395][ T7704] netlink_unicast+0x449/0x710 [18652.002395][ T7704] netlink_sendmsg+0x723/0xbe0 [18652.002395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18652.002395][ T7704] ___sys_sendmsg+0xee/0x170 [18652.002395][ T7704] __sys_sendmsg+0xcd/0x170 [18652.002395][ T7704] do_syscall_64+0xc6/0x1e0 [18652.002395][ T7704] [18652.004629][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18652.004629][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18652.004629][ T7704] ipv6_find_idev+0x102/0x170 [18652.004629][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18652.004629][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18652.004629][ T7704] netlink_rcv_skb+0x130/0x360 [18652.004629][ T7704] netlink_unicast+0x449/0x710 [18652.004629][ T7704] netlink_sendmsg+0x723/0xbe0 [18652.004629][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18652.004629][ T7704] ___sys_sendmsg+0xee/0x170 [18652.004629][ T7704] __sys_sendmsg+0xcd/0x170 [18652.004629][ T7704] do_syscall_64+0xc6/0x1e0 [18652.004629][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18652.004629][ T7704] [18652.006388][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18652.006388][ T7704] neigh_parms_alloc+0x1e5/0x510 [18652.006388][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18652.006388][ T7704] ipv6_find_idev+0x102/0x170 [18652.006388][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18652.006388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18652.006388][ T7704] netlink_rcv_skb+0x130/0x360 [18652.006388][ T7704] netlink_unicast+0x449/0x710 [18652.006388][ T7704] netlink_sendmsg+0x723/0xbe0 [18652.006388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18652.006388][ T7704] ___sys_sendmsg+0xee/0x170 [18652.006388][ T7704] __sys_sendmsg+0xcd/0x170 [18652.006388][ T7704] do_syscall_64+0xc6/0x1e0 [18652.006388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18652.006388][ T7704] [18662.212909][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18662.213502][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18662.213502][ T7704] netdev_get_by_index+0x5e/0x80 [18662.213502][ T7704] fib6_nh_init+0x3d8/0x15b0 [18662.213502][ T7704] ip6_route_info_create+0xf18/0x17d0 [18662.213502][ T7704] ip6_route_add+0x1c/0x140 [18662.213502][ T7704] addrconf_prefix_route+0x2a6/0x430 [18662.213502][ T7704] inet6_addr_add+0x4f8/0xa40 [18662.213502][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18662.213502][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18662.213502][ T7704] netlink_rcv_skb+0x130/0x360 [18662.213502][ T7704] netlink_unicast+0x449/0x710 [18662.213502][ T7704] netlink_sendmsg+0x723/0xbe0 [18662.213502][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18662.213502][ T7704] ___sys_sendmsg+0xee/0x170 [18662.213502][ T7704] __sys_sendmsg+0xcd/0x170 [18662.213502][ T7704] do_syscall_64+0xc6/0x1e0 [18662.213502][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18662.213502][ T7704] [18662.215903][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18662.215903][ T7704] netdev_get_by_index+0x5e/0x80 [18662.215903][ T7704] fib6_nh_init+0x3d8/0x15b0 [18662.215903][ T7704] ip6_route_info_create+0xf18/0x17d0 [18662.215903][ T7704] addrconf_f6i_alloc+0x315/0x560 [18662.215903][ T7704] ipv6_add_addr+0x411/0x2000 [18662.215903][ T7704] inet6_addr_add+0x30e/0xa40 [18662.215903][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18662.215903][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18662.215903][ T7704] netlink_rcv_skb+0x130/0x360 [18662.215903][ T7704] netlink_unicast+0x449/0x710 [18662.215903][ T7704] netlink_sendmsg+0x723/0xbe0 [18662.215903][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18662.215903][ T7704] ___sys_sendmsg+0xee/0x170 [18662.215903][ T7704] __sys_sendmsg+0xcd/0x170 [18662.215903][ T7704] do_syscall_64+0xc6/0x1e0 [18662.215903][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18662.215903][ T7704] [18662.218164][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18662.218164][ T7704] netdev_get_by_index+0x5e/0x80 [18662.218164][ T7704] fib6_nh_init+0x3d8/0x15b0 [18662.218164][ T7704] ip6_route_info_create+0xf18/0x17d0 [18662.218164][ T7704] ip6_route_add+0x1c/0x140 [18662.218164][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18662.218164][ T7704] addrconf_add_dev+0xe2/0x170 [18662.218164][ T7704] inet6_addr_add+0x12f/0xa40 [18662.218164][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18662.218164][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18662.218164][ T7704] netlink_rcv_skb+0x130/0x360 [18662.218164][ T7704] netlink_unicast+0x449/0x710 [18662.218164][ T7704] netlink_sendmsg+0x723/0xbe0 [18662.218164][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18662.218164][ T7704] ___sys_sendmsg+0xee/0x170 [18662.218164][ T7704] __sys_sendmsg+0xcd/0x170 [18662.218164][ T7704] do_syscall_64+0xc6/0x1e0 [18662.218164][ T7704] [18662.220374][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18662.220374][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18662.220374][ T7704] ipv6_find_idev+0x102/0x170 [18662.220374][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18662.220374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18662.220374][ T7704] netlink_rcv_skb+0x130/0x360 [18662.220374][ T7704] netlink_unicast+0x449/0x710 [18662.220374][ T7704] netlink_sendmsg+0x723/0xbe0 [18662.220374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18662.220374][ T7704] ___sys_sendmsg+0xee/0x170 [18662.220374][ T7704] __sys_sendmsg+0xcd/0x170 [18662.220374][ T7704] do_syscall_64+0xc6/0x1e0 [18662.220374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18662.220374][ T7704] [18662.222104][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18662.222104][ T7704] neigh_parms_alloc+0x1e5/0x510 [18662.222104][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18662.222104][ T7704] ipv6_find_idev+0x102/0x170 [18662.222104][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18662.222104][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18662.222104][ T7704] netlink_rcv_skb+0x130/0x360 [18662.222104][ T7704] netlink_unicast+0x449/0x710 [18662.222104][ T7704] netlink_sendmsg+0x723/0xbe0 [18662.222104][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18662.222104][ T7704] ___sys_sendmsg+0xee/0x170 [18662.222104][ T7704] __sys_sendmsg+0xcd/0x170 [18662.222104][ T7704] do_syscall_64+0xc6/0x1e0 [18662.222104][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18662.222104][ T7704] [18672.260985][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18672.261778][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18672.261778][ T7704] netdev_get_by_index+0x5e/0x80 [18672.261778][ T7704] fib6_nh_init+0x3d8/0x15b0 [18672.261778][ T7704] ip6_route_info_create+0xf18/0x17d0 [18672.261778][ T7704] ip6_route_add+0x1c/0x140 [18672.261778][ T7704] addrconf_prefix_route+0x2a6/0x430 [18672.261778][ T7704] inet6_addr_add+0x4f8/0xa40 [18672.261778][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18672.261778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18672.261778][ T7704] netlink_rcv_skb+0x130/0x360 [18672.261778][ T7704] netlink_unicast+0x449/0x710 [18672.261778][ T7704] netlink_sendmsg+0x723/0xbe0 [18672.261778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18672.261778][ T7704] ___sys_sendmsg+0xee/0x170 [18672.261778][ T7704] __sys_sendmsg+0xcd/0x170 [18672.261778][ T7704] do_syscall_64+0xc6/0x1e0 [18672.261778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18672.261778][ T7704] [18672.264114][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18672.264114][ T7704] netdev_get_by_index+0x5e/0x80 [18672.264114][ T7704] fib6_nh_init+0x3d8/0x15b0 [18672.264114][ T7704] ip6_route_info_create+0xf18/0x17d0 [18672.264114][ T7704] addrconf_f6i_alloc+0x315/0x560 [18672.264114][ T7704] ipv6_add_addr+0x411/0x2000 [18672.264114][ T7704] inet6_addr_add+0x30e/0xa40 [18672.264114][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18672.264114][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18672.264114][ T7704] netlink_rcv_skb+0x130/0x360 [18672.264114][ T7704] netlink_unicast+0x449/0x710 [18672.264114][ T7704] netlink_sendmsg+0x723/0xbe0 [18672.264114][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18672.264114][ T7704] ___sys_sendmsg+0xee/0x170 [18672.264114][ T7704] __sys_sendmsg+0xcd/0x170 [18672.264114][ T7704] do_syscall_64+0xc6/0x1e0 [18672.264114][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18672.264114][ T7704] [18672.266452][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18672.266452][ T7704] netdev_get_by_index+0x5e/0x80 [18672.266452][ T7704] fib6_nh_init+0x3d8/0x15b0 [18672.266452][ T7704] ip6_route_info_create+0xf18/0x17d0 [18672.266452][ T7704] ip6_route_add+0x1c/0x140 [18672.266452][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18672.266452][ T7704] addrconf_add_dev+0xe2/0x170 [18672.266452][ T7704] inet6_addr_add+0x12f/0xa40 [18672.266452][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18672.266452][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18672.266452][ T7704] netlink_rcv_skb+0x130/0x360 [18672.266452][ T7704] netlink_unicast+0x449/0x710 [18672.266452][ T7704] netlink_sendmsg+0x723/0xbe0 [18672.266452][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18672.266452][ T7704] ___sys_sendmsg+0xee/0x170 [18672.266452][ T7704] __sys_sendmsg+0xcd/0x170 [18672.266452][ T7704] do_syscall_64+0xc6/0x1e0 [18672.266452][ T7704] [18672.268679][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18672.268679][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18672.268679][ T7704] ipv6_find_idev+0x102/0x170 [18672.268679][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18672.268679][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18672.268679][ T7704] netlink_rcv_skb+0x130/0x360 [18672.268679][ T7704] netlink_unicast+0x449/0x710 [18672.268679][ T7704] netlink_sendmsg+0x723/0xbe0 [18672.268679][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18672.268679][ T7704] ___sys_sendmsg+0xee/0x170 [18672.268679][ T7704] __sys_sendmsg+0xcd/0x170 [18672.268679][ T7704] do_syscall_64+0xc6/0x1e0 [18672.268679][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18672.268679][ T7704] [18672.270425][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18672.270425][ T7704] neigh_parms_alloc+0x1e5/0x510 [18672.270425][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18672.270425][ T7704] ipv6_find_idev+0x102/0x170 [18672.270425][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18672.270425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18672.270425][ T7704] netlink_rcv_skb+0x130/0x360 [18672.270425][ T7704] netlink_unicast+0x449/0x710 [18672.270425][ T7704] netlink_sendmsg+0x723/0xbe0 [18672.270425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18672.270425][ T7704] ___sys_sendmsg+0xee/0x170 [18672.270425][ T7704] __sys_sendmsg+0xcd/0x170 [18672.270425][ T7704] do_syscall_64+0xc6/0x1e0 [18672.270425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18672.270425][ T7704] [18682.508822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18682.509345][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18682.509345][ T7704] netdev_get_by_index+0x5e/0x80 [18682.509345][ T7704] fib6_nh_init+0x3d8/0x15b0 [18682.509345][ T7704] ip6_route_info_create+0xf18/0x17d0 [18682.509345][ T7704] ip6_route_add+0x1c/0x140 [18682.509345][ T7704] addrconf_prefix_route+0x2a6/0x430 [18682.509345][ T7704] inet6_addr_add+0x4f8/0xa40 [18682.509345][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18682.509345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18682.509345][ T7704] netlink_rcv_skb+0x130/0x360 [18682.509345][ T7704] netlink_unicast+0x449/0x710 [18682.509345][ T7704] netlink_sendmsg+0x723/0xbe0 [18682.509345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18682.509345][ T7704] ___sys_sendmsg+0xee/0x170 [18682.509345][ T7704] __sys_sendmsg+0xcd/0x170 [18682.509345][ T7704] do_syscall_64+0xc6/0x1e0 [18682.509345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18682.509345][ T7704] [18682.511551][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18682.511551][ T7704] netdev_get_by_index+0x5e/0x80 [18682.511551][ T7704] fib6_nh_init+0x3d8/0x15b0 [18682.511551][ T7704] ip6_route_info_create+0xf18/0x17d0 [18682.511551][ T7704] addrconf_f6i_alloc+0x315/0x560 [18682.511551][ T7704] ipv6_add_addr+0x411/0x2000 [18682.511551][ T7704] inet6_addr_add+0x30e/0xa40 [18682.511551][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18682.511551][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18682.511551][ T7704] netlink_rcv_skb+0x130/0x360 [18682.511551][ T7704] netlink_unicast+0x449/0x710 [18682.511551][ T7704] netlink_sendmsg+0x723/0xbe0 [18682.511551][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18682.511551][ T7704] ___sys_sendmsg+0xee/0x170 [18682.511551][ T7704] __sys_sendmsg+0xcd/0x170 [18682.511551][ T7704] do_syscall_64+0xc6/0x1e0 [18682.511551][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18682.511551][ T7704] [18682.513702][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18682.513702][ T7704] netdev_get_by_index+0x5e/0x80 [18682.513702][ T7704] fib6_nh_init+0x3d8/0x15b0 [18682.513702][ T7704] ip6_route_info_create+0xf18/0x17d0 [18682.513702][ T7704] ip6_route_add+0x1c/0x140 [18682.513702][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18682.513702][ T7704] addrconf_add_dev+0xe2/0x170 [18682.513702][ T7704] inet6_addr_add+0x12f/0xa40 [18682.513702][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18682.513702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18682.513702][ T7704] netlink_rcv_skb+0x130/0x360 [18682.513702][ T7704] netlink_unicast+0x449/0x710 [18682.513702][ T7704] netlink_sendmsg+0x723/0xbe0 [18682.513702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18682.513702][ T7704] ___sys_sendmsg+0xee/0x170 [18682.513702][ T7704] __sys_sendmsg+0xcd/0x170 [18682.513702][ T7704] do_syscall_64+0xc6/0x1e0 [18682.513702][ T7704] [18682.515912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18682.515912][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18682.515912][ T7704] ipv6_find_idev+0x102/0x170 [18682.515912][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18682.515912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18682.515912][ T7704] netlink_rcv_skb+0x130/0x360 [18682.515912][ T7704] netlink_unicast+0x449/0x710 [18682.515912][ T7704] netlink_sendmsg+0x723/0xbe0 [18682.515912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18682.515912][ T7704] ___sys_sendmsg+0xee/0x170 [18682.515912][ T7704] __sys_sendmsg+0xcd/0x170 [18682.515912][ T7704] do_syscall_64+0xc6/0x1e0 [18682.515912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18682.515912][ T7704] [18682.517567][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18682.517567][ T7704] neigh_parms_alloc+0x1e5/0x510 [18682.517567][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18682.517567][ T7704] ipv6_find_idev+0x102/0x170 [18682.517567][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18682.517567][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18682.517567][ T7704] netlink_rcv_skb+0x130/0x360 [18682.517567][ T7704] netlink_unicast+0x449/0x710 [18682.517567][ T7704] netlink_sendmsg+0x723/0xbe0 [18682.517567][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18682.517567][ T7704] ___sys_sendmsg+0xee/0x170 [18682.517567][ T7704] __sys_sendmsg+0xcd/0x170 [18682.517567][ T7704] do_syscall_64+0xc6/0x1e0 [18682.517567][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18682.517567][ T7704] [18692.756797][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18692.757305][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18692.757305][ T7704] netdev_get_by_index+0x5e/0x80 [18692.757305][ T7704] fib6_nh_init+0x3d8/0x15b0 [18692.757305][ T7704] ip6_route_info_create+0xf18/0x17d0 [18692.757305][ T7704] ip6_route_add+0x1c/0x140 [18692.757305][ T7704] addrconf_prefix_route+0x2a6/0x430 [18692.757305][ T7704] inet6_addr_add+0x4f8/0xa40 [18692.757305][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18692.757305][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18692.757305][ T7704] netlink_rcv_skb+0x130/0x360 [18692.757305][ T7704] netlink_unicast+0x449/0x710 [18692.757305][ T7704] netlink_sendmsg+0x723/0xbe0 [18692.757305][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18692.757305][ T7704] ___sys_sendmsg+0xee/0x170 [18692.757305][ T7704] __sys_sendmsg+0xcd/0x170 [18692.757305][ T7704] do_syscall_64+0xc6/0x1e0 [18692.757305][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18692.757305][ T7704] [18692.759501][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18692.759501][ T7704] netdev_get_by_index+0x5e/0x80 [18692.759501][ T7704] fib6_nh_init+0x3d8/0x15b0 [18692.759501][ T7704] ip6_route_info_create+0xf18/0x17d0 [18692.759501][ T7704] addrconf_f6i_alloc+0x315/0x560 [18692.759501][ T7704] ipv6_add_addr+0x411/0x2000 [18692.759501][ T7704] inet6_addr_add+0x30e/0xa40 [18692.759501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18692.759501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18692.759501][ T7704] netlink_rcv_skb+0x130/0x360 [18692.759501][ T7704] netlink_unicast+0x449/0x710 [18692.759501][ T7704] netlink_sendmsg+0x723/0xbe0 [18692.759501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18692.759501][ T7704] ___sys_sendmsg+0xee/0x170 [18692.759501][ T7704] __sys_sendmsg+0xcd/0x170 [18692.759501][ T7704] do_syscall_64+0xc6/0x1e0 [18692.759501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18692.759501][ T7704] [18692.761668][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18692.761668][ T7704] netdev_get_by_index+0x5e/0x80 [18692.761668][ T7704] fib6_nh_init+0x3d8/0x15b0 [18692.761668][ T7704] ip6_route_info_create+0xf18/0x17d0 [18692.761668][ T7704] ip6_route_add+0x1c/0x140 [18692.761668][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18692.761668][ T7704] addrconf_add_dev+0xe2/0x170 [18692.761668][ T7704] inet6_addr_add+0x12f/0xa40 [18692.761668][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18692.761668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18692.761668][ T7704] netlink_rcv_skb+0x130/0x360 [18692.761668][ T7704] netlink_unicast+0x449/0x710 [18692.761668][ T7704] netlink_sendmsg+0x723/0xbe0 [18692.761668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18692.761668][ T7704] ___sys_sendmsg+0xee/0x170 [18692.761668][ T7704] __sys_sendmsg+0xcd/0x170 [18692.761668][ T7704] do_syscall_64+0xc6/0x1e0 [18692.761668][ T7704] [18692.763839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18692.763839][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18692.763839][ T7704] ipv6_find_idev+0x102/0x170 [18692.763839][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18692.763839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18692.763839][ T7704] netlink_rcv_skb+0x130/0x360 [18692.763839][ T7704] netlink_unicast+0x449/0x710 [18692.763839][ T7704] netlink_sendmsg+0x723/0xbe0 [18692.763839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18692.763839][ T7704] ___sys_sendmsg+0xee/0x170 [18692.763839][ T7704] __sys_sendmsg+0xcd/0x170 [18692.763839][ T7704] do_syscall_64+0xc6/0x1e0 [18692.763839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18692.763839][ T7704] [18692.765526][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18692.765526][ T7704] neigh_parms_alloc+0x1e5/0x510 [18692.765526][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18692.765526][ T7704] ipv6_find_idev+0x102/0x170 [18692.765526][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18692.765526][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18692.765526][ T7704] netlink_rcv_skb+0x130/0x360 [18692.765526][ T7704] netlink_unicast+0x449/0x710 [18692.765526][ T7704] netlink_sendmsg+0x723/0xbe0 [18692.765526][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18692.765526][ T7704] ___sys_sendmsg+0xee/0x170 [18692.765526][ T7704] __sys_sendmsg+0xcd/0x170 [18692.765526][ T7704] do_syscall_64+0xc6/0x1e0 [18692.765526][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18692.765526][ T7704] [18703.004810][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18703.005318][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18703.005318][ T7704] netdev_get_by_index+0x5e/0x80 [18703.005318][ T7704] fib6_nh_init+0x3d8/0x15b0 [18703.005318][ T7704] ip6_route_info_create+0xf18/0x17d0 [18703.005318][ T7704] ip6_route_add+0x1c/0x140 [18703.005318][ T7704] addrconf_prefix_route+0x2a6/0x430 [18703.005318][ T7704] inet6_addr_add+0x4f8/0xa40 [18703.005318][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18703.005318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18703.005318][ T7704] netlink_rcv_skb+0x130/0x360 [18703.005318][ T7704] netlink_unicast+0x449/0x710 [18703.005318][ T7704] netlink_sendmsg+0x723/0xbe0 [18703.005318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18703.005318][ T7704] ___sys_sendmsg+0xee/0x170 [18703.005318][ T7704] __sys_sendmsg+0xcd/0x170 [18703.005318][ T7704] do_syscall_64+0xc6/0x1e0 [18703.005318][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18703.005318][ T7704] [18703.007549][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18703.007549][ T7704] netdev_get_by_index+0x5e/0x80 [18703.007549][ T7704] fib6_nh_init+0x3d8/0x15b0 [18703.007549][ T7704] ip6_route_info_create+0xf18/0x17d0 [18703.007549][ T7704] addrconf_f6i_alloc+0x315/0x560 [18703.007549][ T7704] ipv6_add_addr+0x411/0x2000 [18703.007549][ T7704] inet6_addr_add+0x30e/0xa40 [18703.007549][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18703.007549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18703.007549][ T7704] netlink_rcv_skb+0x130/0x360 [18703.007549][ T7704] netlink_unicast+0x449/0x710 [18703.007549][ T7704] netlink_sendmsg+0x723/0xbe0 [18703.007549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18703.007549][ T7704] ___sys_sendmsg+0xee/0x170 [18703.007549][ T7704] __sys_sendmsg+0xcd/0x170 [18703.007549][ T7704] do_syscall_64+0xc6/0x1e0 [18703.007549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18703.007549][ T7704] [18703.010381][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18703.010381][ T7704] netdev_get_by_index+0x5e/0x80 [18703.010381][ T7704] fib6_nh_init+0x3d8/0x15b0 [18703.010381][ T7704] ip6_route_info_create+0xf18/0x17d0 [18703.010381][ T7704] ip6_route_add+0x1c/0x140 [18703.010381][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18703.010381][ T7704] addrconf_add_dev+0xe2/0x170 [18703.010381][ T7704] inet6_addr_add+0x12f/0xa40 [18703.010381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18703.010381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18703.010381][ T7704] netlink_rcv_skb+0x130/0x360 [18703.010381][ T7704] netlink_unicast+0x449/0x710 [18703.010381][ T7704] netlink_sendmsg+0x723/0xbe0 [18703.010381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18703.010381][ T7704] ___sys_sendmsg+0xee/0x170 [18703.010381][ T7704] __sys_sendmsg+0xcd/0x170 [18703.010381][ T7704] do_syscall_64+0xc6/0x1e0 [18703.010381][ T7704] [18703.012561][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18703.012561][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18703.012561][ T7704] ipv6_find_idev+0x102/0x170 [18703.012561][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18703.012561][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18703.012561][ T7704] netlink_rcv_skb+0x130/0x360 [18703.012561][ T7704] netlink_unicast+0x449/0x710 [18703.012561][ T7704] netlink_sendmsg+0x723/0xbe0 [18703.012561][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18703.012561][ T7704] ___sys_sendmsg+0xee/0x170 [18703.012561][ T7704] __sys_sendmsg+0xcd/0x170 [18703.012561][ T7704] do_syscall_64+0xc6/0x1e0 [18703.012561][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18703.012561][ T7704] [18703.014277][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18703.014277][ T7704] neigh_parms_alloc+0x1e5/0x510 [18703.014277][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18703.014277][ T7704] ipv6_find_idev+0x102/0x170 [18703.014277][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18703.014277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18703.014277][ T7704] netlink_rcv_skb+0x130/0x360 [18703.014277][ T7704] netlink_unicast+0x449/0x710 [18703.014277][ T7704] netlink_sendmsg+0x723/0xbe0 [18703.014277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18703.014277][ T7704] ___sys_sendmsg+0xee/0x170 [18703.014277][ T7704] __sys_sendmsg+0xcd/0x170 [18703.014277][ T7704] do_syscall_64+0xc6/0x1e0 [18703.014277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18703.014277][ T7704] [18713.252887][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18713.253647][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18713.253647][ T7704] netdev_get_by_index+0x5e/0x80 [18713.253647][ T7704] fib6_nh_init+0x3d8/0x15b0 [18713.253647][ T7704] ip6_route_info_create+0xf18/0x17d0 [18713.253647][ T7704] ip6_route_add+0x1c/0x140 [18713.253647][ T7704] addrconf_prefix_route+0x2a6/0x430 [18713.253647][ T7704] inet6_addr_add+0x4f8/0xa40 [18713.253647][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18713.253647][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18713.253647][ T7704] netlink_rcv_skb+0x130/0x360 [18713.253647][ T7704] netlink_unicast+0x449/0x710 [18713.253647][ T7704] netlink_sendmsg+0x723/0xbe0 [18713.253647][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18713.253647][ T7704] ___sys_sendmsg+0xee/0x170 [18713.253647][ T7704] __sys_sendmsg+0xcd/0x170 [18713.253647][ T7704] do_syscall_64+0xc6/0x1e0 [18713.253647][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18713.253647][ T7704] [18713.255888][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18713.255888][ T7704] netdev_get_by_index+0x5e/0x80 [18713.255888][ T7704] fib6_nh_init+0x3d8/0x15b0 [18713.255888][ T7704] ip6_route_info_create+0xf18/0x17d0 [18713.255888][ T7704] addrconf_f6i_alloc+0x315/0x560 [18713.255888][ T7704] ipv6_add_addr+0x411/0x2000 [18713.255888][ T7704] inet6_addr_add+0x30e/0xa40 [18713.255888][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18713.255888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18713.255888][ T7704] netlink_rcv_skb+0x130/0x360 [18713.255888][ T7704] netlink_unicast+0x449/0x710 [18713.255888][ T7704] netlink_sendmsg+0x723/0xbe0 [18713.255888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18713.255888][ T7704] ___sys_sendmsg+0xee/0x170 [18713.255888][ T7704] __sys_sendmsg+0xcd/0x170 [18713.255888][ T7704] do_syscall_64+0xc6/0x1e0 [18713.255888][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18713.255888][ T7704] [18713.258460][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18713.258460][ T7704] netdev_get_by_index+0x5e/0x80 [18713.258460][ T7704] fib6_nh_init+0x3d8/0x15b0 [18713.258460][ T7704] ip6_route_info_create+0xf18/0x17d0 [18713.258460][ T7704] ip6_route_add+0x1c/0x140 [18713.258460][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18713.258460][ T7704] addrconf_add_dev+0xe2/0x170 [18713.258460][ T7704] inet6_addr_add+0x12f/0xa40 [18713.258460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18713.258460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18713.258460][ T7704] netlink_rcv_skb+0x130/0x360 [18713.258460][ T7704] netlink_unicast+0x449/0x710 [18713.258460][ T7704] netlink_sendmsg+0x723/0xbe0 [18713.258460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18713.258460][ T7704] ___sys_sendmsg+0xee/0x170 [18713.258460][ T7704] __sys_sendmsg+0xcd/0x170 [18713.258460][ T7704] do_syscall_64+0xc6/0x1e0 [18713.258460][ T7704] [18713.260583][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18713.260583][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18713.260583][ T7704] ipv6_find_idev+0x102/0x170 [18713.260583][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18713.260583][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18713.260583][ T7704] netlink_rcv_skb+0x130/0x360 [18713.260583][ T7704] netlink_unicast+0x449/0x710 [18713.260583][ T7704] netlink_sendmsg+0x723/0xbe0 [18713.260583][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18713.260583][ T7704] ___sys_sendmsg+0xee/0x170 [18713.260583][ T7704] __sys_sendmsg+0xcd/0x170 [18713.260583][ T7704] do_syscall_64+0xc6/0x1e0 [18713.260583][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18713.260583][ T7704] [18713.262245][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18713.262245][ T7704] neigh_parms_alloc+0x1e5/0x510 [18713.262245][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18713.262245][ T7704] ipv6_find_idev+0x102/0x170 [18713.262245][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18713.262245][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18713.262245][ T7704] netlink_rcv_skb+0x130/0x360 [18713.262245][ T7704] netlink_unicast+0x449/0x710 [18713.262245][ T7704] netlink_sendmsg+0x723/0xbe0 [18713.262245][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18713.262245][ T7704] ___sys_sendmsg+0xee/0x170 [18713.262245][ T7704] __sys_sendmsg+0xcd/0x170 [18713.262245][ T7704] do_syscall_64+0xc6/0x1e0 [18713.262245][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18713.262245][ T7704] [18723.508912][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18723.509632][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18723.509632][ T7704] netdev_get_by_index+0x5e/0x80 [18723.509632][ T7704] fib6_nh_init+0x3d8/0x15b0 [18723.509632][ T7704] ip6_route_info_create+0xf18/0x17d0 [18723.509632][ T7704] ip6_route_add+0x1c/0x140 [18723.509632][ T7704] addrconf_prefix_route+0x2a6/0x430 [18723.509632][ T7704] inet6_addr_add+0x4f8/0xa40 [18723.509632][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18723.509632][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18723.509632][ T7704] netlink_rcv_skb+0x130/0x360 [18723.509632][ T7704] netlink_unicast+0x449/0x710 [18723.509632][ T7704] netlink_sendmsg+0x723/0xbe0 [18723.509632][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18723.509632][ T7704] ___sys_sendmsg+0xee/0x170 [18723.509632][ T7704] __sys_sendmsg+0xcd/0x170 [18723.509632][ T7704] do_syscall_64+0xc6/0x1e0 [18723.509632][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18723.509632][ T7704] [18723.511831][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18723.511831][ T7704] netdev_get_by_index+0x5e/0x80 [18723.511831][ T7704] fib6_nh_init+0x3d8/0x15b0 [18723.511831][ T7704] ip6_route_info_create+0xf18/0x17d0 [18723.511831][ T7704] addrconf_f6i_alloc+0x315/0x560 [18723.511831][ T7704] ipv6_add_addr+0x411/0x2000 [18723.511831][ T7704] inet6_addr_add+0x30e/0xa40 [18723.511831][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18723.511831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18723.511831][ T7704] netlink_rcv_skb+0x130/0x360 [18723.511831][ T7704] netlink_unicast+0x449/0x710 [18723.511831][ T7704] netlink_sendmsg+0x723/0xbe0 [18723.511831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18723.511831][ T7704] ___sys_sendmsg+0xee/0x170 [18723.511831][ T7704] __sys_sendmsg+0xcd/0x170 [18723.511831][ T7704] do_syscall_64+0xc6/0x1e0 [18723.511831][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18723.511831][ T7704] [18723.513991][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18723.513991][ T7704] netdev_get_by_index+0x5e/0x80 [18723.513991][ T7704] fib6_nh_init+0x3d8/0x15b0 [18723.513991][ T7704] ip6_route_info_create+0xf18/0x17d0 [18723.513991][ T7704] ip6_route_add+0x1c/0x140 [18723.513991][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18723.513991][ T7704] addrconf_add_dev+0xe2/0x170 [18723.513991][ T7704] inet6_addr_add+0x12f/0xa40 [18723.513991][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18723.513991][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18723.513991][ T7704] netlink_rcv_skb+0x130/0x360 [18723.513991][ T7704] netlink_unicast+0x449/0x710 [18723.513991][ T7704] netlink_sendmsg+0x723/0xbe0 [18723.513991][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18723.513991][ T7704] ___sys_sendmsg+0xee/0x170 [18723.513991][ T7704] __sys_sendmsg+0xcd/0x170 [18723.513991][ T7704] do_syscall_64+0xc6/0x1e0 [18723.513991][ T7704] [18723.516131][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18723.516131][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18723.516131][ T7704] ipv6_find_idev+0x102/0x170 [18723.516131][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18723.516131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18723.516131][ T7704] netlink_rcv_skb+0x130/0x360 [18723.516131][ T7704] netlink_unicast+0x449/0x710 [18723.516131][ T7704] netlink_sendmsg+0x723/0xbe0 [18723.516131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18723.516131][ T7704] ___sys_sendmsg+0xee/0x170 [18723.516131][ T7704] __sys_sendmsg+0xcd/0x170 [18723.516131][ T7704] do_syscall_64+0xc6/0x1e0 [18723.516131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18723.516131][ T7704] [18723.517792][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18723.517792][ T7704] neigh_parms_alloc+0x1e5/0x510 [18723.517792][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18723.517792][ T7704] ipv6_find_idev+0x102/0x170 [18723.517792][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18723.517792][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18723.517792][ T7704] netlink_rcv_skb+0x130/0x360 [18723.517792][ T7704] netlink_unicast+0x449/0x710 [18723.517792][ T7704] netlink_sendmsg+0x723/0xbe0 [18723.517792][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18723.517792][ T7704] ___sys_sendmsg+0xee/0x170 [18723.517792][ T7704] __sys_sendmsg+0xcd/0x170 [18723.517792][ T7704] do_syscall_64+0xc6/0x1e0 [18723.517792][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18723.517792][ T7704] [18733.556879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18733.557973][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18733.557973][ T7704] netdev_get_by_index+0x5e/0x80 [18733.557973][ T7704] fib6_nh_init+0x3d8/0x15b0 [18733.557973][ T7704] ip6_route_info_create+0xf18/0x17d0 [18733.557973][ T7704] ip6_route_add+0x1c/0x140 [18733.557973][ T7704] addrconf_prefix_route+0x2a6/0x430 [18733.557973][ T7704] inet6_addr_add+0x4f8/0xa40 [18733.557973][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18733.557973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18733.557973][ T7704] netlink_rcv_skb+0x130/0x360 [18733.557973][ T7704] netlink_unicast+0x449/0x710 [18733.557973][ T7704] netlink_sendmsg+0x723/0xbe0 [18733.557973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18733.557973][ T7704] ___sys_sendmsg+0xee/0x170 [18733.557973][ T7704] __sys_sendmsg+0xcd/0x170 [18733.557973][ T7704] do_syscall_64+0xc6/0x1e0 [18733.557973][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18733.557973][ T7704] [18733.560279][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18733.560279][ T7704] netdev_get_by_index+0x5e/0x80 [18733.560279][ T7704] fib6_nh_init+0x3d8/0x15b0 [18733.560279][ T7704] ip6_route_info_create+0xf18/0x17d0 [18733.560279][ T7704] addrconf_f6i_alloc+0x315/0x560 [18733.560279][ T7704] ipv6_add_addr+0x411/0x2000 [18733.560279][ T7704] inet6_addr_add+0x30e/0xa40 [18733.560279][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18733.560279][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18733.560279][ T7704] netlink_rcv_skb+0x130/0x360 [18733.560279][ T7704] netlink_unicast+0x449/0x710 [18733.560279][ T7704] netlink_sendmsg+0x723/0xbe0 [18733.560279][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18733.560279][ T7704] ___sys_sendmsg+0xee/0x170 [18733.560279][ T7704] __sys_sendmsg+0xcd/0x170 [18733.560279][ T7704] do_syscall_64+0xc6/0x1e0 [18733.560279][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18733.560279][ T7704] [18733.562600][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18733.562600][ T7704] netdev_get_by_index+0x5e/0x80 [18733.562600][ T7704] fib6_nh_init+0x3d8/0x15b0 [18733.562600][ T7704] ip6_route_info_create+0xf18/0x17d0 [18733.562600][ T7704] ip6_route_add+0x1c/0x140 [18733.562600][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18733.562600][ T7704] addrconf_add_dev+0xe2/0x170 [18733.562600][ T7704] inet6_addr_add+0x12f/0xa40 [18733.562600][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18733.562600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18733.562600][ T7704] netlink_rcv_skb+0x130/0x360 [18733.562600][ T7704] netlink_unicast+0x449/0x710 [18733.562600][ T7704] netlink_sendmsg+0x723/0xbe0 [18733.562600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18733.562600][ T7704] ___sys_sendmsg+0xee/0x170 [18733.562600][ T7704] __sys_sendmsg+0xcd/0x170 [18733.562600][ T7704] do_syscall_64+0xc6/0x1e0 [18733.562600][ T7704] [18733.564814][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18733.564814][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18733.564814][ T7704] ipv6_find_idev+0x102/0x170 [18733.564814][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18733.564814][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18733.564814][ T7704] netlink_rcv_skb+0x130/0x360 [18733.564814][ T7704] netlink_unicast+0x449/0x710 [18733.564814][ T7704] netlink_sendmsg+0x723/0xbe0 [18733.564814][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18733.564814][ T7704] ___sys_sendmsg+0xee/0x170 [18733.564814][ T7704] __sys_sendmsg+0xcd/0x170 [18733.564814][ T7704] do_syscall_64+0xc6/0x1e0 [18733.564814][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18733.564814][ T7704] [18733.566565][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18733.566565][ T7704] neigh_parms_alloc+0x1e5/0x510 [18733.566565][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18733.566565][ T7704] ipv6_find_idev+0x102/0x170 [18733.566565][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18733.566565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18733.566565][ T7704] netlink_rcv_skb+0x130/0x360 [18733.566565][ T7704] netlink_unicast+0x449/0x710 [18733.566565][ T7704] netlink_sendmsg+0x723/0xbe0 [18733.566565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18733.566565][ T7704] ___sys_sendmsg+0xee/0x170 [18733.566565][ T7704] __sys_sendmsg+0xcd/0x170 [18733.566565][ T7704] do_syscall_64+0xc6/0x1e0 [18733.566565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18733.566565][ T7704] [18743.604816][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18743.605355][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18743.605355][ T7704] netdev_get_by_index+0x5e/0x80 [18743.605355][ T7704] fib6_nh_init+0x3d8/0x15b0 [18743.605355][ T7704] ip6_route_info_create+0xf18/0x17d0 [18743.605355][ T7704] ip6_route_add+0x1c/0x140 [18743.605355][ T7704] addrconf_prefix_route+0x2a6/0x430 [18743.605355][ T7704] inet6_addr_add+0x4f8/0xa40 [18743.605355][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18743.605355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18743.605355][ T7704] netlink_rcv_skb+0x130/0x360 [18743.605355][ T7704] netlink_unicast+0x449/0x710 [18743.605355][ T7704] netlink_sendmsg+0x723/0xbe0 [18743.605355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18743.605355][ T7704] ___sys_sendmsg+0xee/0x170 [18743.605355][ T7704] __sys_sendmsg+0xcd/0x170 [18743.605355][ T7704] do_syscall_64+0xc6/0x1e0 [18743.605355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18743.605355][ T7704] [18743.607595][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18743.607595][ T7704] netdev_get_by_index+0x5e/0x80 [18743.607595][ T7704] fib6_nh_init+0x3d8/0x15b0 [18743.607595][ T7704] ip6_route_info_create+0xf18/0x17d0 [18743.607595][ T7704] addrconf_f6i_alloc+0x315/0x560 [18743.607595][ T7704] ipv6_add_addr+0x411/0x2000 [18743.607595][ T7704] inet6_addr_add+0x30e/0xa40 [18743.607595][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18743.607595][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18743.607595][ T7704] netlink_rcv_skb+0x130/0x360 [18743.607595][ T7704] netlink_unicast+0x449/0x710 [18743.607595][ T7704] netlink_sendmsg+0x723/0xbe0 [18743.607595][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18743.607595][ T7704] ___sys_sendmsg+0xee/0x170 [18743.607595][ T7704] __sys_sendmsg+0xcd/0x170 [18743.607595][ T7704] do_syscall_64+0xc6/0x1e0 [18743.607595][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18743.607595][ T7704] [18743.609844][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18743.609844][ T7704] netdev_get_by_index+0x5e/0x80 [18743.609844][ T7704] fib6_nh_init+0x3d8/0x15b0 [18743.609844][ T7704] ip6_route_info_create+0xf18/0x17d0 [18743.609844][ T7704] ip6_route_add+0x1c/0x140 [18743.609844][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18743.609844][ T7704] addrconf_add_dev+0xe2/0x170 [18743.609844][ T7704] inet6_addr_add+0x12f/0xa40 [18743.609844][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18743.609844][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18743.609844][ T7704] netlink_rcv_skb+0x130/0x360 [18743.609844][ T7704] netlink_unicast+0x449/0x710 [18743.609844][ T7704] netlink_sendmsg+0x723/0xbe0 [18743.609844][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18743.609844][ T7704] ___sys_sendmsg+0xee/0x170 [18743.609844][ T7704] __sys_sendmsg+0xcd/0x170 [18743.609844][ T7704] do_syscall_64+0xc6/0x1e0 [18743.609844][ T7704] [18743.612003][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18743.612003][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18743.612003][ T7704] ipv6_find_idev+0x102/0x170 [18743.612003][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18743.612003][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18743.612003][ T7704] netlink_rcv_skb+0x130/0x360 [18743.612003][ T7704] netlink_unicast+0x449/0x710 [18743.612003][ T7704] netlink_sendmsg+0x723/0xbe0 [18743.612003][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18743.612003][ T7704] ___sys_sendmsg+0xee/0x170 [18743.612003][ T7704] __sys_sendmsg+0xcd/0x170 [18743.612003][ T7704] do_syscall_64+0xc6/0x1e0 [18743.612003][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18743.612003][ T7704] [18743.613702][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18743.613702][ T7704] neigh_parms_alloc+0x1e5/0x510 [18743.613702][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18743.613702][ T7704] ipv6_find_idev+0x102/0x170 [18743.613702][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18743.613702][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18743.613702][ T7704] netlink_rcv_skb+0x130/0x360 [18743.613702][ T7704] netlink_unicast+0x449/0x710 [18743.613702][ T7704] netlink_sendmsg+0x723/0xbe0 [18743.613702][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18743.613702][ T7704] ___sys_sendmsg+0xee/0x170 [18743.613702][ T7704] __sys_sendmsg+0xcd/0x170 [18743.613702][ T7704] do_syscall_64+0xc6/0x1e0 [18743.613702][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18743.613702][ T7704] [18753.676901][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18753.677886][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18753.677886][ T7704] netdev_get_by_index+0x5e/0x80 [18753.677886][ T7704] fib6_nh_init+0x3d8/0x15b0 [18753.677886][ T7704] ip6_route_info_create+0xf18/0x17d0 [18753.677886][ T7704] ip6_route_add+0x1c/0x140 [18753.677886][ T7704] addrconf_prefix_route+0x2a6/0x430 [18753.677886][ T7704] inet6_addr_add+0x4f8/0xa40 [18753.677886][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18753.677886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18753.677886][ T7704] netlink_rcv_skb+0x130/0x360 [18753.677886][ T7704] netlink_unicast+0x449/0x710 [18753.677886][ T7704] netlink_sendmsg+0x723/0xbe0 [18753.677886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18753.677886][ T7704] ___sys_sendmsg+0xee/0x170 [18753.677886][ T7704] __sys_sendmsg+0xcd/0x170 [18753.677886][ T7704] do_syscall_64+0xc6/0x1e0 [18753.677886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18753.677886][ T7704] [18753.680055][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18753.680055][ T7704] netdev_get_by_index+0x5e/0x80 [18753.680055][ T7704] fib6_nh_init+0x3d8/0x15b0 [18753.680055][ T7704] ip6_route_info_create+0xf18/0x17d0 [18753.680055][ T7704] addrconf_f6i_alloc+0x315/0x560 [18753.680055][ T7704] ipv6_add_addr+0x411/0x2000 [18753.680055][ T7704] inet6_addr_add+0x30e/0xa40 [18753.680055][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18753.680055][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18753.680055][ T7704] netlink_rcv_skb+0x130/0x360 [18753.680055][ T7704] netlink_unicast+0x449/0x710 [18753.680055][ T7704] netlink_sendmsg+0x723/0xbe0 [18753.680055][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18753.680055][ T7704] ___sys_sendmsg+0xee/0x170 [18753.680055][ T7704] __sys_sendmsg+0xcd/0x170 [18753.680055][ T7704] do_syscall_64+0xc6/0x1e0 [18753.680055][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18753.680055][ T7704] [18753.682143][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18753.682143][ T7704] netdev_get_by_index+0x5e/0x80 [18753.682143][ T7704] fib6_nh_init+0x3d8/0x15b0 [18753.682143][ T7704] ip6_route_info_create+0xf18/0x17d0 [18753.682143][ T7704] ip6_route_add+0x1c/0x140 [18753.682143][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18753.682143][ T7704] addrconf_add_dev+0xe2/0x170 [18753.682143][ T7704] inet6_addr_add+0x12f/0xa40 [18753.682143][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18753.682143][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18753.682143][ T7704] netlink_rcv_skb+0x130/0x360 [18753.682143][ T7704] netlink_unicast+0x449/0x710 [18753.682143][ T7704] netlink_sendmsg+0x723/0xbe0 [18753.682143][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18753.682143][ T7704] ___sys_sendmsg+0xee/0x170 [18753.682143][ T7704] __sys_sendmsg+0xcd/0x170 [18753.682143][ T7704] do_syscall_64+0xc6/0x1e0 [18753.682143][ T7704] [18753.684220][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18753.684220][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18753.684220][ T7704] ipv6_find_idev+0x102/0x170 [18753.684220][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18753.684220][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18753.684220][ T7704] netlink_rcv_skb+0x130/0x360 [18753.684220][ T7704] netlink_unicast+0x449/0x710 [18753.684220][ T7704] netlink_sendmsg+0x723/0xbe0 [18753.684220][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18753.684220][ T7704] ___sys_sendmsg+0xee/0x170 [18753.684220][ T7704] __sys_sendmsg+0xcd/0x170 [18753.684220][ T7704] do_syscall_64+0xc6/0x1e0 [18753.684220][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18753.684220][ T7704] [18753.685970][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18753.685970][ T7704] neigh_parms_alloc+0x1e5/0x510 [18753.685970][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18753.685970][ T7704] ipv6_find_idev+0x102/0x170 [18753.685970][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18753.685970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18753.685970][ T7704] netlink_rcv_skb+0x130/0x360 [18753.685970][ T7704] netlink_unicast+0x449/0x710 [18753.685970][ T7704] netlink_sendmsg+0x723/0xbe0 [18753.685970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18753.685970][ T7704] ___sys_sendmsg+0xee/0x170 [18753.685970][ T7704] __sys_sendmsg+0xcd/0x170 [18753.685970][ T7704] do_syscall_64+0xc6/0x1e0 [18753.685970][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18753.685970][ T7704] [18763.924867][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18763.925321][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18763.925321][ T7704] netdev_get_by_index+0x5e/0x80 [18763.925321][ T7704] fib6_nh_init+0x3d8/0x15b0 [18763.925321][ T7704] ip6_route_info_create+0xf18/0x17d0 [18763.925321][ T7704] ip6_route_add+0x1c/0x140 [18763.925321][ T7704] addrconf_prefix_route+0x2a6/0x430 [18763.925321][ T7704] inet6_addr_add+0x4f8/0xa40 [18763.925321][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18763.925321][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18763.925321][ T7704] netlink_rcv_skb+0x130/0x360 [18763.925321][ T7704] netlink_unicast+0x449/0x710 [18763.925321][ T7704] netlink_sendmsg+0x723/0xbe0 [18763.925321][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18763.925321][ T7704] ___sys_sendmsg+0xee/0x170 [18763.925321][ T7704] __sys_sendmsg+0xcd/0x170 [18763.925321][ T7704] do_syscall_64+0xc6/0x1e0 [18763.925321][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18763.925321][ T7704] [18763.927572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18763.927572][ T7704] netdev_get_by_index+0x5e/0x80 [18763.927572][ T7704] fib6_nh_init+0x3d8/0x15b0 [18763.927572][ T7704] ip6_route_info_create+0xf18/0x17d0 [18763.927572][ T7704] addrconf_f6i_alloc+0x315/0x560 [18763.927572][ T7704] ipv6_add_addr+0x411/0x2000 [18763.927572][ T7704] inet6_addr_add+0x30e/0xa40 [18763.927572][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18763.927572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18763.927572][ T7704] netlink_rcv_skb+0x130/0x360 [18763.927572][ T7704] netlink_unicast+0x449/0x710 [18763.927572][ T7704] netlink_sendmsg+0x723/0xbe0 [18763.927572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18763.927572][ T7704] ___sys_sendmsg+0xee/0x170 [18763.927572][ T7704] __sys_sendmsg+0xcd/0x170 [18763.927572][ T7704] do_syscall_64+0xc6/0x1e0 [18763.927572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18763.927572][ T7704] [18763.929845][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18763.929845][ T7704] netdev_get_by_index+0x5e/0x80 [18763.929845][ T7704] fib6_nh_init+0x3d8/0x15b0 [18763.929845][ T7704] ip6_route_info_create+0xf18/0x17d0 [18763.929845][ T7704] ip6_route_add+0x1c/0x140 [18763.929845][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18763.929845][ T7704] addrconf_add_dev+0xe2/0x170 [18763.929845][ T7704] inet6_addr_add+0x12f/0xa40 [18763.929845][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18763.929845][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18763.929845][ T7704] netlink_rcv_skb+0x130/0x360 [18763.929845][ T7704] netlink_unicast+0x449/0x710 [18763.929845][ T7704] netlink_sendmsg+0x723/0xbe0 [18763.929845][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18763.929845][ T7704] ___sys_sendmsg+0xee/0x170 [18763.929845][ T7704] __sys_sendmsg+0xcd/0x170 [18763.929845][ T7704] do_syscall_64+0xc6/0x1e0 [18763.929845][ T7704] [18763.931981][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18763.931981][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18763.931981][ T7704] ipv6_find_idev+0x102/0x170 [18763.931981][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18763.931981][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18763.931981][ T7704] netlink_rcv_skb+0x130/0x360 [18763.931981][ T7704] netlink_unicast+0x449/0x710 [18763.931981][ T7704] netlink_sendmsg+0x723/0xbe0 [18763.931981][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18763.931981][ T7704] ___sys_sendmsg+0xee/0x170 [18763.931981][ T7704] __sys_sendmsg+0xcd/0x170 [18763.931981][ T7704] do_syscall_64+0xc6/0x1e0 [18763.931981][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18763.931981][ T7704] [18763.933681][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18763.933681][ T7704] neigh_parms_alloc+0x1e5/0x510 [18763.933681][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18763.933681][ T7704] ipv6_find_idev+0x102/0x170 [18763.933681][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18763.933681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18763.933681][ T7704] netlink_rcv_skb+0x130/0x360 [18763.933681][ T7704] netlink_unicast+0x449/0x710 [18763.933681][ T7704] netlink_sendmsg+0x723/0xbe0 [18763.933681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18763.933681][ T7704] ___sys_sendmsg+0xee/0x170 [18763.933681][ T7704] __sys_sendmsg+0xcd/0x170 [18763.933681][ T7704] do_syscall_64+0xc6/0x1e0 [18763.933681][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18763.933681][ T7704] [18773.980973][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18773.981666][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18773.981666][ T7704] netdev_get_by_index+0x5e/0x80 [18773.981666][ T7704] fib6_nh_init+0x3d8/0x15b0 [18773.981666][ T7704] ip6_route_info_create+0xf18/0x17d0 [18773.981666][ T7704] ip6_route_add+0x1c/0x140 [18773.981666][ T7704] addrconf_prefix_route+0x2a6/0x430 [18773.981666][ T7704] inet6_addr_add+0x4f8/0xa40 [18773.981666][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18773.981666][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18773.981666][ T7704] netlink_rcv_skb+0x130/0x360 [18773.981666][ T7704] netlink_unicast+0x449/0x710 [18773.981666][ T7704] netlink_sendmsg+0x723/0xbe0 [18773.981666][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18773.981666][ T7704] ___sys_sendmsg+0xee/0x170 [18773.981666][ T7704] __sys_sendmsg+0xcd/0x170 [18773.981666][ T7704] do_syscall_64+0xc6/0x1e0 [18773.981666][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18773.981666][ T7704] [18773.983974][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18773.983974][ T7704] netdev_get_by_index+0x5e/0x80 [18773.983974][ T7704] fib6_nh_init+0x3d8/0x15b0 [18773.983974][ T7704] ip6_route_info_create+0xf18/0x17d0 [18773.983974][ T7704] addrconf_f6i_alloc+0x315/0x560 [18773.983974][ T7704] ipv6_add_addr+0x411/0x2000 [18773.983974][ T7704] inet6_addr_add+0x30e/0xa40 [18773.983974][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18773.983974][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18773.983974][ T7704] netlink_rcv_skb+0x130/0x360 [18773.983974][ T7704] netlink_unicast+0x449/0x710 [18773.983974][ T7704] netlink_sendmsg+0x723/0xbe0 [18773.983974][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18773.983974][ T7704] ___sys_sendmsg+0xee/0x170 [18773.983974][ T7704] __sys_sendmsg+0xcd/0x170 [18773.983974][ T7704] do_syscall_64+0xc6/0x1e0 [18773.983974][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18773.983974][ T7704] [18773.986285][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18773.986285][ T7704] netdev_get_by_index+0x5e/0x80 [18773.986285][ T7704] fib6_nh_init+0x3d8/0x15b0 [18773.986285][ T7704] ip6_route_info_create+0xf18/0x17d0 [18773.986285][ T7704] ip6_route_add+0x1c/0x140 [18773.986285][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18773.986285][ T7704] addrconf_add_dev+0xe2/0x170 [18773.986285][ T7704] inet6_addr_add+0x12f/0xa40 [18773.986285][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18773.986285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18773.986285][ T7704] netlink_rcv_skb+0x130/0x360 [18773.986285][ T7704] netlink_unicast+0x449/0x710 [18773.986285][ T7704] netlink_sendmsg+0x723/0xbe0 [18773.986285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18773.986285][ T7704] ___sys_sendmsg+0xee/0x170 [18773.986285][ T7704] __sys_sendmsg+0xcd/0x170 [18773.986285][ T7704] do_syscall_64+0xc6/0x1e0 [18773.986285][ T7704] [18773.988527][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18773.988527][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18773.988527][ T7704] ipv6_find_idev+0x102/0x170 [18773.988527][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18773.988527][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18773.988527][ T7704] netlink_rcv_skb+0x130/0x360 [18773.988527][ T7704] netlink_unicast+0x449/0x710 [18773.988527][ T7704] netlink_sendmsg+0x723/0xbe0 [18773.988527][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18773.988527][ T7704] ___sys_sendmsg+0xee/0x170 [18773.988527][ T7704] __sys_sendmsg+0xcd/0x170 [18773.988527][ T7704] do_syscall_64+0xc6/0x1e0 [18773.988527][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18773.988527][ T7704] [18773.990267][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18773.990267][ T7704] neigh_parms_alloc+0x1e5/0x510 [18773.990267][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18773.990267][ T7704] ipv6_find_idev+0x102/0x170 [18773.990267][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18773.990267][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18773.990267][ T7704] netlink_rcv_skb+0x130/0x360 [18773.990267][ T7704] netlink_unicast+0x449/0x710 [18773.990267][ T7704] netlink_sendmsg+0x723/0xbe0 [18773.990267][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18773.990267][ T7704] ___sys_sendmsg+0xee/0x170 [18773.990267][ T7704] __sys_sendmsg+0xcd/0x170 [18773.990267][ T7704] do_syscall_64+0xc6/0x1e0 [18773.990267][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18773.990267][ T7704] [18784.228921][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18784.229756][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18784.229756][ T7704] netdev_get_by_index+0x5e/0x80 [18784.229756][ T7704] fib6_nh_init+0x3d8/0x15b0 [18784.229756][ T7704] ip6_route_info_create+0xf18/0x17d0 [18784.229756][ T7704] ip6_route_add+0x1c/0x140 [18784.229756][ T7704] addrconf_prefix_route+0x2a6/0x430 [18784.229756][ T7704] inet6_addr_add+0x4f8/0xa40 [18784.229756][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18784.229756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18784.229756][ T7704] netlink_rcv_skb+0x130/0x360 [18784.229756][ T7704] netlink_unicast+0x449/0x710 [18784.229756][ T7704] netlink_sendmsg+0x723/0xbe0 [18784.229756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18784.229756][ T7704] ___sys_sendmsg+0xee/0x170 [18784.229756][ T7704] __sys_sendmsg+0xcd/0x170 [18784.229756][ T7704] do_syscall_64+0xc6/0x1e0 [18784.229756][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18784.229756][ T7704] [18784.232071][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18784.232071][ T7704] netdev_get_by_index+0x5e/0x80 [18784.232071][ T7704] fib6_nh_init+0x3d8/0x15b0 [18784.232071][ T7704] ip6_route_info_create+0xf18/0x17d0 [18784.232071][ T7704] addrconf_f6i_alloc+0x315/0x560 [18784.232071][ T7704] ipv6_add_addr+0x411/0x2000 [18784.232071][ T7704] inet6_addr_add+0x30e/0xa40 [18784.232071][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18784.232071][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18784.232071][ T7704] netlink_rcv_skb+0x130/0x360 [18784.232071][ T7704] netlink_unicast+0x449/0x710 [18784.232071][ T7704] netlink_sendmsg+0x723/0xbe0 [18784.232071][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18784.232071][ T7704] ___sys_sendmsg+0xee/0x170 [18784.232071][ T7704] __sys_sendmsg+0xcd/0x170 [18784.232071][ T7704] do_syscall_64+0xc6/0x1e0 [18784.232071][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18784.232071][ T7704] [18784.234413][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18784.234413][ T7704] netdev_get_by_index+0x5e/0x80 [18784.234413][ T7704] fib6_nh_init+0x3d8/0x15b0 [18784.234413][ T7704] ip6_route_info_create+0xf18/0x17d0 [18784.234413][ T7704] ip6_route_add+0x1c/0x140 [18784.234413][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18784.234413][ T7704] addrconf_add_dev+0xe2/0x170 [18784.234413][ T7704] inet6_addr_add+0x12f/0xa40 [18784.234413][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18784.234413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18784.234413][ T7704] netlink_rcv_skb+0x130/0x360 [18784.234413][ T7704] netlink_unicast+0x449/0x710 [18784.234413][ T7704] netlink_sendmsg+0x723/0xbe0 [18784.234413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18784.234413][ T7704] ___sys_sendmsg+0xee/0x170 [18784.234413][ T7704] __sys_sendmsg+0xcd/0x170 [18784.234413][ T7704] do_syscall_64+0xc6/0x1e0 [18784.234413][ T7704] [18784.236677][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18784.236677][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18784.236677][ T7704] ipv6_find_idev+0x102/0x170 [18784.236677][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18784.236677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18784.236677][ T7704] netlink_rcv_skb+0x130/0x360 [18784.236677][ T7704] netlink_unicast+0x449/0x710 [18784.236677][ T7704] netlink_sendmsg+0x723/0xbe0 [18784.236677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18784.236677][ T7704] ___sys_sendmsg+0xee/0x170 [18784.236677][ T7704] __sys_sendmsg+0xcd/0x170 [18784.236677][ T7704] do_syscall_64+0xc6/0x1e0 [18784.236677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18784.236677][ T7704] [18784.238422][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18784.238422][ T7704] neigh_parms_alloc+0x1e5/0x510 [18784.238422][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18784.238422][ T7704] ipv6_find_idev+0x102/0x170 [18784.238422][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18784.238422][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18784.238422][ T7704] netlink_rcv_skb+0x130/0x360 [18784.238422][ T7704] netlink_unicast+0x449/0x710 [18784.238422][ T7704] netlink_sendmsg+0x723/0xbe0 [18784.238422][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18784.238422][ T7704] ___sys_sendmsg+0xee/0x170 [18784.238422][ T7704] __sys_sendmsg+0xcd/0x170 [18784.238422][ T7704] do_syscall_64+0xc6/0x1e0 [18784.238422][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18784.238422][ T7704] [18794.468828][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18794.469409][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18794.469409][ T7704] netdev_get_by_index+0x5e/0x80 [18794.469409][ T7704] fib6_nh_init+0x3d8/0x15b0 [18794.469409][ T7704] ip6_route_info_create+0xf18/0x17d0 [18794.469409][ T7704] ip6_route_add+0x1c/0x140 [18794.469409][ T7704] addrconf_prefix_route+0x2a6/0x430 [18794.469409][ T7704] inet6_addr_add+0x4f8/0xa40 [18794.469409][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18794.469409][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18794.469409][ T7704] netlink_rcv_skb+0x130/0x360 [18794.469409][ T7704] netlink_unicast+0x449/0x710 [18794.469409][ T7704] netlink_sendmsg+0x723/0xbe0 [18794.469409][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18794.469409][ T7704] ___sys_sendmsg+0xee/0x170 [18794.469409][ T7704] __sys_sendmsg+0xcd/0x170 [18794.469409][ T7704] do_syscall_64+0xc6/0x1e0 [18794.469409][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18794.469409][ T7704] [18794.471736][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18794.471736][ T7704] netdev_get_by_index+0x5e/0x80 [18794.471736][ T7704] fib6_nh_init+0x3d8/0x15b0 [18794.471736][ T7704] ip6_route_info_create+0xf18/0x17d0 [18794.471736][ T7704] addrconf_f6i_alloc+0x315/0x560 [18794.471736][ T7704] ipv6_add_addr+0x411/0x2000 [18794.471736][ T7704] inet6_addr_add+0x30e/0xa40 [18794.471736][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18794.471736][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18794.471736][ T7704] netlink_rcv_skb+0x130/0x360 [18794.471736][ T7704] netlink_unicast+0x449/0x710 [18794.471736][ T7704] netlink_sendmsg+0x723/0xbe0 [18794.471736][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18794.471736][ T7704] ___sys_sendmsg+0xee/0x170 [18794.471736][ T7704] __sys_sendmsg+0xcd/0x170 [18794.471736][ T7704] do_syscall_64+0xc6/0x1e0 [18794.471736][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18794.471736][ T7704] [18794.473998][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18794.473998][ T7704] netdev_get_by_index+0x5e/0x80 [18794.473998][ T7704] fib6_nh_init+0x3d8/0x15b0 [18794.473998][ T7704] ip6_route_info_create+0xf18/0x17d0 [18794.473998][ T7704] ip6_route_add+0x1c/0x140 [18794.473998][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18794.473998][ T7704] addrconf_add_dev+0xe2/0x170 [18794.473998][ T7704] inet6_addr_add+0x12f/0xa40 [18794.473998][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18794.473998][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18794.473998][ T7704] netlink_rcv_skb+0x130/0x360 [18794.473998][ T7704] netlink_unicast+0x449/0x710 [18794.473998][ T7704] netlink_sendmsg+0x723/0xbe0 [18794.473998][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18794.473998][ T7704] ___sys_sendmsg+0xee/0x170 [18794.473998][ T7704] __sys_sendmsg+0xcd/0x170 [18794.473998][ T7704] do_syscall_64+0xc6/0x1e0 [18794.473998][ T7704] [18794.476862][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18794.476862][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18794.476862][ T7704] ipv6_find_idev+0x102/0x170 [18794.476862][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18794.476862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18794.476862][ T7704] netlink_rcv_skb+0x130/0x360 [18794.476862][ T7704] netlink_unicast+0x449/0x710 [18794.476862][ T7704] netlink_sendmsg+0x723/0xbe0 [18794.476862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18794.476862][ T7704] ___sys_sendmsg+0xee/0x170 [18794.476862][ T7704] __sys_sendmsg+0xcd/0x170 [18794.476862][ T7704] do_syscall_64+0xc6/0x1e0 [18794.476862][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18794.476862][ T7704] [18794.478611][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18794.478611][ T7704] neigh_parms_alloc+0x1e5/0x510 [18794.478611][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18794.478611][ T7704] ipv6_find_idev+0x102/0x170 [18794.478611][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18794.478611][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18794.478611][ T7704] netlink_rcv_skb+0x130/0x360 [18794.478611][ T7704] netlink_unicast+0x449/0x710 [18794.478611][ T7704] netlink_sendmsg+0x723/0xbe0 [18794.478611][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18794.478611][ T7704] ___sys_sendmsg+0xee/0x170 [18794.478611][ T7704] __sys_sendmsg+0xcd/0x170 [18794.478611][ T7704] do_syscall_64+0xc6/0x1e0 [18794.478611][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18794.478611][ T7704] [18804.612906][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18804.613904][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18804.613904][ T7704] netdev_get_by_index+0x5e/0x80 [18804.613904][ T7704] fib6_nh_init+0x3d8/0x15b0 [18804.613904][ T7704] ip6_route_info_create+0xf18/0x17d0 [18804.613904][ T7704] ip6_route_add+0x1c/0x140 [18804.613904][ T7704] addrconf_prefix_route+0x2a6/0x430 [18804.613904][ T7704] inet6_addr_add+0x4f8/0xa40 [18804.613904][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18804.613904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18804.613904][ T7704] netlink_rcv_skb+0x130/0x360 [18804.613904][ T7704] netlink_unicast+0x449/0x710 [18804.613904][ T7704] netlink_sendmsg+0x723/0xbe0 [18804.613904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18804.613904][ T7704] ___sys_sendmsg+0xee/0x170 [18804.613904][ T7704] __sys_sendmsg+0xcd/0x170 [18804.613904][ T7704] do_syscall_64+0xc6/0x1e0 [18804.613904][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18804.613904][ T7704] [18804.616501][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18804.616501][ T7704] netdev_get_by_index+0x5e/0x80 [18804.616501][ T7704] fib6_nh_init+0x3d8/0x15b0 [18804.616501][ T7704] ip6_route_info_create+0xf18/0x17d0 [18804.616501][ T7704] addrconf_f6i_alloc+0x315/0x560 [18804.616501][ T7704] ipv6_add_addr+0x411/0x2000 [18804.616501][ T7704] inet6_addr_add+0x30e/0xa40 [18804.616501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18804.616501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18804.616501][ T7704] netlink_rcv_skb+0x130/0x360 [18804.616501][ T7704] netlink_unicast+0x449/0x710 [18804.616501][ T7704] netlink_sendmsg+0x723/0xbe0 [18804.616501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18804.616501][ T7704] ___sys_sendmsg+0xee/0x170 [18804.616501][ T7704] __sys_sendmsg+0xcd/0x170 [18804.616501][ T7704] do_syscall_64+0xc6/0x1e0 [18804.616501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18804.616501][ T7704] [18804.618959][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18804.618959][ T7704] netdev_get_by_index+0x5e/0x80 [18804.618959][ T7704] fib6_nh_init+0x3d8/0x15b0 [18804.618959][ T7704] ip6_route_info_create+0xf18/0x17d0 [18804.618959][ T7704] ip6_route_add+0x1c/0x140 [18804.618959][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18804.618959][ T7704] addrconf_add_dev+0xe2/0x170 [18804.618959][ T7704] inet6_addr_add+0x12f/0xa40 [18804.618959][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18804.618959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18804.618959][ T7704] netlink_rcv_skb+0x130/0x360 [18804.618959][ T7704] netlink_unicast+0x449/0x710 [18804.618959][ T7704] netlink_sendmsg+0x723/0xbe0 [18804.618959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18804.618959][ T7704] ___sys_sendmsg+0xee/0x170 [18804.618959][ T7704] __sys_sendmsg+0xcd/0x170 [18804.618959][ T7704] do_syscall_64+0xc6/0x1e0 [18804.618959][ T7704] [18804.621361][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18804.621361][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18804.621361][ T7704] ipv6_find_idev+0x102/0x170 [18804.621361][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18804.621361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18804.621361][ T7704] netlink_rcv_skb+0x130/0x360 [18804.621361][ T7704] netlink_unicast+0x449/0x710 [18804.621361][ T7704] netlink_sendmsg+0x723/0xbe0 [18804.621361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18804.621361][ T7704] ___sys_sendmsg+0xee/0x170 [18804.621361][ T7704] __sys_sendmsg+0xcd/0x170 [18804.621361][ T7704] do_syscall_64+0xc6/0x1e0 [18804.621361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18804.621361][ T7704] [18804.623218][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18804.623218][ T7704] neigh_parms_alloc+0x1e5/0x510 [18804.623218][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18804.623218][ T7704] ipv6_find_idev+0x102/0x170 [18804.623218][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18804.623218][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18804.623218][ T7704] netlink_rcv_skb+0x130/0x360 [18804.623218][ T7704] netlink_unicast+0x449/0x710 [18804.623218][ T7704] netlink_sendmsg+0x723/0xbe0 [18804.623218][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18804.623218][ T7704] ___sys_sendmsg+0xee/0x170 [18804.623218][ T7704] __sys_sendmsg+0xcd/0x170 [18804.623218][ T7704] do_syscall_64+0xc6/0x1e0 [18804.623218][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18804.623218][ T7704] [18814.804873][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18814.805779][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18814.805779][ T7704] netdev_get_by_index+0x5e/0x80 [18814.805779][ T7704] fib6_nh_init+0x3d8/0x15b0 [18814.805779][ T7704] ip6_route_info_create+0xf18/0x17d0 [18814.805779][ T7704] ip6_route_add+0x1c/0x140 [18814.805779][ T7704] addrconf_prefix_route+0x2a6/0x430 [18814.805779][ T7704] inet6_addr_add+0x4f8/0xa40 [18814.805779][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18814.805779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18814.805779][ T7704] netlink_rcv_skb+0x130/0x360 [18814.805779][ T7704] netlink_unicast+0x449/0x710 [18814.805779][ T7704] netlink_sendmsg+0x723/0xbe0 [18814.805779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18814.805779][ T7704] ___sys_sendmsg+0xee/0x170 [18814.805779][ T7704] __sys_sendmsg+0xcd/0x170 [18814.805779][ T7704] do_syscall_64+0xc6/0x1e0 [18814.805779][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18814.805779][ T7704] [18814.808317][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18814.808317][ T7704] netdev_get_by_index+0x5e/0x80 [18814.808317][ T7704] fib6_nh_init+0x3d8/0x15b0 [18814.808317][ T7704] ip6_route_info_create+0xf18/0x17d0 [18814.808317][ T7704] addrconf_f6i_alloc+0x315/0x560 [18814.808317][ T7704] ipv6_add_addr+0x411/0x2000 [18814.808317][ T7704] inet6_addr_add+0x30e/0xa40 [18814.808317][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18814.808317][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18814.808317][ T7704] netlink_rcv_skb+0x130/0x360 [18814.808317][ T7704] netlink_unicast+0x449/0x710 [18814.808317][ T7704] netlink_sendmsg+0x723/0xbe0 [18814.808317][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18814.808317][ T7704] ___sys_sendmsg+0xee/0x170 [18814.808317][ T7704] __sys_sendmsg+0xcd/0x170 [18814.808317][ T7704] do_syscall_64+0xc6/0x1e0 [18814.808317][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18814.808317][ T7704] [18814.810825][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18814.810825][ T7704] netdev_get_by_index+0x5e/0x80 [18814.810825][ T7704] fib6_nh_init+0x3d8/0x15b0 [18814.810825][ T7704] ip6_route_info_create+0xf18/0x17d0 [18814.810825][ T7704] ip6_route_add+0x1c/0x140 [18814.810825][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18814.810825][ T7704] addrconf_add_dev+0xe2/0x170 [18814.810825][ T7704] inet6_addr_add+0x12f/0xa40 [18814.810825][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18814.810825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18814.810825][ T7704] netlink_rcv_skb+0x130/0x360 [18814.810825][ T7704] netlink_unicast+0x449/0x710 [18814.810825][ T7704] netlink_sendmsg+0x723/0xbe0 [18814.810825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18814.810825][ T7704] ___sys_sendmsg+0xee/0x170 [18814.810825][ T7704] __sys_sendmsg+0xcd/0x170 [18814.810825][ T7704] do_syscall_64+0xc6/0x1e0 [18814.810825][ T7704] [18814.813271][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18814.813271][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18814.813271][ T7704] ipv6_find_idev+0x102/0x170 [18814.813271][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18814.813271][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18814.813271][ T7704] netlink_rcv_skb+0x130/0x360 [18814.813271][ T7704] netlink_unicast+0x449/0x710 [18814.813271][ T7704] netlink_sendmsg+0x723/0xbe0 [18814.813271][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18814.813271][ T7704] ___sys_sendmsg+0xee/0x170 [18814.813271][ T7704] __sys_sendmsg+0xcd/0x170 [18814.813271][ T7704] do_syscall_64+0xc6/0x1e0 [18814.813271][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18814.813271][ T7704] [18814.815201][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18814.815201][ T7704] neigh_parms_alloc+0x1e5/0x510 [18814.815201][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18814.815201][ T7704] ipv6_find_idev+0x102/0x170 [18814.815201][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18814.815201][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18814.815201][ T7704] netlink_rcv_skb+0x130/0x360 [18814.815201][ T7704] netlink_unicast+0x449/0x710 [18814.815201][ T7704] netlink_sendmsg+0x723/0xbe0 [18814.815201][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18814.815201][ T7704] ___sys_sendmsg+0xee/0x170 [18814.815201][ T7704] __sys_sendmsg+0xcd/0x170 [18814.815201][ T7704] do_syscall_64+0xc6/0x1e0 [18814.815201][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18814.815201][ T7704] [18825.052886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18825.053958][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18825.053958][ T7704] netdev_get_by_index+0x5e/0x80 [18825.053958][ T7704] fib6_nh_init+0x3d8/0x15b0 [18825.053958][ T7704] ip6_route_info_create+0xf18/0x17d0 [18825.053958][ T7704] ip6_route_add+0x1c/0x140 [18825.053958][ T7704] addrconf_prefix_route+0x2a6/0x430 [18825.053958][ T7704] inet6_addr_add+0x4f8/0xa40 [18825.053958][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18825.053958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18825.053958][ T7704] netlink_rcv_skb+0x130/0x360 [18825.053958][ T7704] netlink_unicast+0x449/0x710 [18825.053958][ T7704] netlink_sendmsg+0x723/0xbe0 [18825.053958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18825.053958][ T7704] ___sys_sendmsg+0xee/0x170 [18825.053958][ T7704] __sys_sendmsg+0xcd/0x170 [18825.053958][ T7704] do_syscall_64+0xc6/0x1e0 [18825.053958][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18825.053958][ T7704] [18825.056638][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18825.056638][ T7704] netdev_get_by_index+0x5e/0x80 [18825.056638][ T7704] fib6_nh_init+0x3d8/0x15b0 [18825.056638][ T7704] ip6_route_info_create+0xf18/0x17d0 [18825.056638][ T7704] addrconf_f6i_alloc+0x315/0x560 [18825.056638][ T7704] ipv6_add_addr+0x411/0x2000 [18825.056638][ T7704] inet6_addr_add+0x30e/0xa40 [18825.056638][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18825.056638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18825.056638][ T7704] netlink_rcv_skb+0x130/0x360 [18825.056638][ T7704] netlink_unicast+0x449/0x710 [18825.056638][ T7704] netlink_sendmsg+0x723/0xbe0 [18825.056638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18825.056638][ T7704] ___sys_sendmsg+0xee/0x170 [18825.056638][ T7704] __sys_sendmsg+0xcd/0x170 [18825.056638][ T7704] do_syscall_64+0xc6/0x1e0 [18825.056638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18825.056638][ T7704] [18825.059166][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18825.059166][ T7704] netdev_get_by_index+0x5e/0x80 [18825.059166][ T7704] fib6_nh_init+0x3d8/0x15b0 [18825.059166][ T7704] ip6_route_info_create+0xf18/0x17d0 [18825.059166][ T7704] ip6_route_add+0x1c/0x140 [18825.059166][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18825.059166][ T7704] addrconf_add_dev+0xe2/0x170 [18825.059166][ T7704] inet6_addr_add+0x12f/0xa40 [18825.059166][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18825.059166][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18825.059166][ T7704] netlink_rcv_skb+0x130/0x360 [18825.059166][ T7704] netlink_unicast+0x449/0x710 [18825.059166][ T7704] netlink_sendmsg+0x723/0xbe0 [18825.059166][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18825.059166][ T7704] ___sys_sendmsg+0xee/0x170 [18825.059166][ T7704] __sys_sendmsg+0xcd/0x170 [18825.059166][ T7704] do_syscall_64+0xc6/0x1e0 [18825.059166][ T7704] [18825.062297][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18825.062297][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18825.062297][ T7704] ipv6_find_idev+0x102/0x170 [18825.062297][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18825.062297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18825.062297][ T7704] netlink_rcv_skb+0x130/0x360 [18825.062297][ T7704] netlink_unicast+0x449/0x710 [18825.062297][ T7704] netlink_sendmsg+0x723/0xbe0 [18825.062297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18825.062297][ T7704] ___sys_sendmsg+0xee/0x170 [18825.062297][ T7704] __sys_sendmsg+0xcd/0x170 [18825.062297][ T7704] do_syscall_64+0xc6/0x1e0 [18825.062297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18825.062297][ T7704] [18825.064406][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18825.064406][ T7704] neigh_parms_alloc+0x1e5/0x510 [18825.064406][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18825.064406][ T7704] ipv6_find_idev+0x102/0x170 [18825.064406][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18825.064406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18825.064406][ T7704] netlink_rcv_skb+0x130/0x360 [18825.064406][ T7704] netlink_unicast+0x449/0x710 [18825.064406][ T7704] netlink_sendmsg+0x723/0xbe0 [18825.064406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18825.064406][ T7704] ___sys_sendmsg+0xee/0x170 [18825.064406][ T7704] __sys_sendmsg+0xcd/0x170 [18825.064406][ T7704] do_syscall_64+0xc6/0x1e0 [18825.064406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18825.064406][ T7704] [18835.308933][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18835.309856][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18835.309856][ T7704] netdev_get_by_index+0x5e/0x80 [18835.309856][ T7704] fib6_nh_init+0x3d8/0x15b0 [18835.309856][ T7704] ip6_route_info_create+0xf18/0x17d0 [18835.309856][ T7704] ip6_route_add+0x1c/0x140 [18835.309856][ T7704] addrconf_prefix_route+0x2a6/0x430 [18835.309856][ T7704] inet6_addr_add+0x4f8/0xa40 [18835.309856][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18835.309856][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18835.309856][ T7704] netlink_rcv_skb+0x130/0x360 [18835.309856][ T7704] netlink_unicast+0x449/0x710 [18835.309856][ T7704] netlink_sendmsg+0x723/0xbe0 [18835.309856][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18835.309856][ T7704] ___sys_sendmsg+0xee/0x170 [18835.309856][ T7704] __sys_sendmsg+0xcd/0x170 [18835.309856][ T7704] do_syscall_64+0xc6/0x1e0 [18835.309856][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18835.309856][ T7704] [18835.312437][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18835.312437][ T7704] netdev_get_by_index+0x5e/0x80 [18835.312437][ T7704] fib6_nh_init+0x3d8/0x15b0 [18835.312437][ T7704] ip6_route_info_create+0xf18/0x17d0 [18835.312437][ T7704] addrconf_f6i_alloc+0x315/0x560 [18835.312437][ T7704] ipv6_add_addr+0x411/0x2000 [18835.312437][ T7704] inet6_addr_add+0x30e/0xa40 [18835.312437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18835.312437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18835.312437][ T7704] netlink_rcv_skb+0x130/0x360 [18835.312437][ T7704] netlink_unicast+0x449/0x710 [18835.312437][ T7704] netlink_sendmsg+0x723/0xbe0 [18835.312437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18835.312437][ T7704] ___sys_sendmsg+0xee/0x170 [18835.312437][ T7704] __sys_sendmsg+0xcd/0x170 [18835.312437][ T7704] do_syscall_64+0xc6/0x1e0 [18835.312437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18835.312437][ T7704] [18835.314970][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18835.314970][ T7704] netdev_get_by_index+0x5e/0x80 [18835.314970][ T7704] fib6_nh_init+0x3d8/0x15b0 [18835.314970][ T7704] ip6_route_info_create+0xf18/0x17d0 [18835.314970][ T7704] ip6_route_add+0x1c/0x140 [18835.314970][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18835.314970][ T7704] addrconf_add_dev+0xe2/0x170 [18835.314970][ T7704] inet6_addr_add+0x12f/0xa40 [18835.314970][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18835.314970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18835.314970][ T7704] netlink_rcv_skb+0x130/0x360 [18835.314970][ T7704] netlink_unicast+0x449/0x710 [18835.314970][ T7704] netlink_sendmsg+0x723/0xbe0 [18835.314970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18835.314970][ T7704] ___sys_sendmsg+0xee/0x170 [18835.314970][ T7704] __sys_sendmsg+0xcd/0x170 [18835.314970][ T7704] do_syscall_64+0xc6/0x1e0 [18835.314970][ T7704] [18835.317535][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18835.317535][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18835.317535][ T7704] ipv6_find_idev+0x102/0x170 [18835.317535][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18835.317535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18835.317535][ T7704] netlink_rcv_skb+0x130/0x360 [18835.317535][ T7704] netlink_unicast+0x449/0x710 [18835.317535][ T7704] netlink_sendmsg+0x723/0xbe0 [18835.317535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18835.317535][ T7704] ___sys_sendmsg+0xee/0x170 [18835.317535][ T7704] __sys_sendmsg+0xcd/0x170 [18835.317535][ T7704] do_syscall_64+0xc6/0x1e0 [18835.317535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18835.317535][ T7704] [18835.319487][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18835.319487][ T7704] neigh_parms_alloc+0x1e5/0x510 [18835.319487][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18835.319487][ T7704] ipv6_find_idev+0x102/0x170 [18835.319487][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18835.319487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18835.319487][ T7704] netlink_rcv_skb+0x130/0x360 [18835.319487][ T7704] netlink_unicast+0x449/0x710 [18835.319487][ T7704] netlink_sendmsg+0x723/0xbe0 [18835.319487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18835.319487][ T7704] ___sys_sendmsg+0xee/0x170 [18835.319487][ T7704] __sys_sendmsg+0xcd/0x170 [18835.319487][ T7704] do_syscall_64+0xc6/0x1e0 [18835.319487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18835.319487][ T7704] [18845.412897][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18845.413602][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18845.413602][ T7704] netdev_get_by_index+0x5e/0x80 [18845.413602][ T7704] fib6_nh_init+0x3d8/0x15b0 [18845.413602][ T7704] ip6_route_info_create+0xf18/0x17d0 [18845.413602][ T7704] ip6_route_add+0x1c/0x140 [18845.413602][ T7704] addrconf_prefix_route+0x2a6/0x430 [18845.413602][ T7704] inet6_addr_add+0x4f8/0xa40 [18845.413602][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18845.413602][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18845.413602][ T7704] netlink_rcv_skb+0x130/0x360 [18845.413602][ T7704] netlink_unicast+0x449/0x710 [18845.413602][ T7704] netlink_sendmsg+0x723/0xbe0 [18845.413602][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18845.413602][ T7704] ___sys_sendmsg+0xee/0x170 [18845.413602][ T7704] __sys_sendmsg+0xcd/0x170 [18845.413602][ T7704] do_syscall_64+0xc6/0x1e0 [18845.413602][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18845.413602][ T7704] [18845.416079][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18845.416079][ T7704] netdev_get_by_index+0x5e/0x80 [18845.416079][ T7704] fib6_nh_init+0x3d8/0x15b0 [18845.416079][ T7704] ip6_route_info_create+0xf18/0x17d0 [18845.416079][ T7704] addrconf_f6i_alloc+0x315/0x560 [18845.416079][ T7704] ipv6_add_addr+0x411/0x2000 [18845.416079][ T7704] inet6_addr_add+0x30e/0xa40 [18845.416079][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18845.416079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18845.416079][ T7704] netlink_rcv_skb+0x130/0x360 [18845.416079][ T7704] netlink_unicast+0x449/0x710 [18845.416079][ T7704] netlink_sendmsg+0x723/0xbe0 [18845.416079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18845.416079][ T7704] ___sys_sendmsg+0xee/0x170 [18845.416079][ T7704] __sys_sendmsg+0xcd/0x170 [18845.416079][ T7704] do_syscall_64+0xc6/0x1e0 [18845.416079][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18845.416079][ T7704] [18845.418464][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18845.418464][ T7704] netdev_get_by_index+0x5e/0x80 [18845.418464][ T7704] fib6_nh_init+0x3d8/0x15b0 [18845.418464][ T7704] ip6_route_info_create+0xf18/0x17d0 [18845.418464][ T7704] ip6_route_add+0x1c/0x140 [18845.418464][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18845.418464][ T7704] addrconf_add_dev+0xe2/0x170 [18845.418464][ T7704] inet6_addr_add+0x12f/0xa40 [18845.418464][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18845.418464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18845.418464][ T7704] netlink_rcv_skb+0x130/0x360 [18845.418464][ T7704] netlink_unicast+0x449/0x710 [18845.418464][ T7704] netlink_sendmsg+0x723/0xbe0 [18845.418464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18845.418464][ T7704] ___sys_sendmsg+0xee/0x170 [18845.418464][ T7704] __sys_sendmsg+0xcd/0x170 [18845.418464][ T7704] do_syscall_64+0xc6/0x1e0 [18845.418464][ T7704] [18845.420791][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18845.420791][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18845.420791][ T7704] ipv6_find_idev+0x102/0x170 [18845.420791][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18845.420791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18845.420791][ T7704] netlink_rcv_skb+0x130/0x360 [18845.420791][ T7704] netlink_unicast+0x449/0x710 [18845.420791][ T7704] netlink_sendmsg+0x723/0xbe0 [18845.420791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18845.420791][ T7704] ___sys_sendmsg+0xee/0x170 [18845.420791][ T7704] __sys_sendmsg+0xcd/0x170 [18845.420791][ T7704] do_syscall_64+0xc6/0x1e0 [18845.420791][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18845.420791][ T7704] [18845.422697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18845.422697][ T7704] neigh_parms_alloc+0x1e5/0x510 [18845.422697][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18845.422697][ T7704] ipv6_find_idev+0x102/0x170 [18845.422697][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18845.422697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18845.422697][ T7704] netlink_rcv_skb+0x130/0x360 [18845.422697][ T7704] netlink_unicast+0x449/0x710 [18845.422697][ T7704] netlink_sendmsg+0x723/0xbe0 [18845.422697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18845.422697][ T7704] ___sys_sendmsg+0xee/0x170 [18845.422697][ T7704] __sys_sendmsg+0xcd/0x170 [18845.422697][ T7704] do_syscall_64+0xc6/0x1e0 [18845.422697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18845.422697][ T7704] [18855.676913][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18855.677864][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18855.677864][ T7704] netdev_get_by_index+0x5e/0x80 [18855.677864][ T7704] fib6_nh_init+0x3d8/0x15b0 [18855.677864][ T7704] ip6_route_info_create+0xf18/0x17d0 [18855.677864][ T7704] ip6_route_add+0x1c/0x140 [18855.677864][ T7704] addrconf_prefix_route+0x2a6/0x430 [18855.677864][ T7704] inet6_addr_add+0x4f8/0xa40 [18855.677864][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18855.677864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18855.677864][ T7704] netlink_rcv_skb+0x130/0x360 [18855.677864][ T7704] netlink_unicast+0x449/0x710 [18855.677864][ T7704] netlink_sendmsg+0x723/0xbe0 [18855.677864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18855.677864][ T7704] ___sys_sendmsg+0xee/0x170 [18855.677864][ T7704] __sys_sendmsg+0xcd/0x170 [18855.677864][ T7704] do_syscall_64+0xc6/0x1e0 [18855.677864][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18855.677864][ T7704] [18855.680289][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18855.680289][ T7704] netdev_get_by_index+0x5e/0x80 [18855.680289][ T7704] fib6_nh_init+0x3d8/0x15b0 [18855.680289][ T7704] ip6_route_info_create+0xf18/0x17d0 [18855.680289][ T7704] addrconf_f6i_alloc+0x315/0x560 [18855.680289][ T7704] ipv6_add_addr+0x411/0x2000 [18855.680289][ T7704] inet6_addr_add+0x30e/0xa40 [18855.680289][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18855.680289][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18855.680289][ T7704] netlink_rcv_skb+0x130/0x360 [18855.680289][ T7704] netlink_unicast+0x449/0x710 [18855.680289][ T7704] netlink_sendmsg+0x723/0xbe0 [18855.680289][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18855.680289][ T7704] ___sys_sendmsg+0xee/0x170 [18855.680289][ T7704] __sys_sendmsg+0xcd/0x170 [18855.680289][ T7704] do_syscall_64+0xc6/0x1e0 [18855.680289][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18855.680289][ T7704] [18855.682673][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18855.682673][ T7704] netdev_get_by_index+0x5e/0x80 [18855.682673][ T7704] fib6_nh_init+0x3d8/0x15b0 [18855.682673][ T7704] ip6_route_info_create+0xf18/0x17d0 [18855.682673][ T7704] ip6_route_add+0x1c/0x140 [18855.682673][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18855.682673][ T7704] addrconf_add_dev+0xe2/0x170 [18855.682673][ T7704] inet6_addr_add+0x12f/0xa40 [18855.682673][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18855.682673][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18855.682673][ T7704] netlink_rcv_skb+0x130/0x360 [18855.682673][ T7704] netlink_unicast+0x449/0x710 [18855.682673][ T7704] netlink_sendmsg+0x723/0xbe0 [18855.682673][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18855.682673][ T7704] ___sys_sendmsg+0xee/0x170 [18855.682673][ T7704] __sys_sendmsg+0xcd/0x170 [18855.682673][ T7704] do_syscall_64+0xc6/0x1e0 [18855.682673][ T7704] [18855.685143][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18855.685143][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18855.685143][ T7704] ipv6_find_idev+0x102/0x170 [18855.685143][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18855.685143][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18855.685143][ T7704] netlink_rcv_skb+0x130/0x360 [18855.685143][ T7704] netlink_unicast+0x449/0x710 [18855.685143][ T7704] netlink_sendmsg+0x723/0xbe0 [18855.685143][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18855.685143][ T7704] ___sys_sendmsg+0xee/0x170 [18855.685143][ T7704] __sys_sendmsg+0xcd/0x170 [18855.685143][ T7704] do_syscall_64+0xc6/0x1e0 [18855.685143][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18855.685143][ T7704] [18855.686986][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18855.686986][ T7704] neigh_parms_alloc+0x1e5/0x510 [18855.686986][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18855.686986][ T7704] ipv6_find_idev+0x102/0x170 [18855.686986][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18855.686986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18855.686986][ T7704] netlink_rcv_skb+0x130/0x360 [18855.686986][ T7704] netlink_unicast+0x449/0x710 [18855.686986][ T7704] netlink_sendmsg+0x723/0xbe0 [18855.686986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18855.686986][ T7704] ___sys_sendmsg+0xee/0x170 [18855.686986][ T7704] __sys_sendmsg+0xcd/0x170 [18855.686986][ T7704] do_syscall_64+0xc6/0x1e0 [18855.686986][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18855.686986][ T7704] [18865.940910][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18865.941853][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18865.941853][ T7704] netdev_get_by_index+0x5e/0x80 [18865.941853][ T7704] fib6_nh_init+0x3d8/0x15b0 [18865.941853][ T7704] ip6_route_info_create+0xf18/0x17d0 [18865.941853][ T7704] ip6_route_add+0x1c/0x140 [18865.941853][ T7704] addrconf_prefix_route+0x2a6/0x430 [18865.941853][ T7704] inet6_addr_add+0x4f8/0xa40 [18865.941853][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18865.941853][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18865.941853][ T7704] netlink_rcv_skb+0x130/0x360 [18865.941853][ T7704] netlink_unicast+0x449/0x710 [18865.941853][ T7704] netlink_sendmsg+0x723/0xbe0 [18865.941853][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18865.941853][ T7704] ___sys_sendmsg+0xee/0x170 [18865.941853][ T7704] __sys_sendmsg+0xcd/0x170 [18865.941853][ T7704] do_syscall_64+0xc6/0x1e0 [18865.941853][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18865.941853][ T7704] [18865.944295][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18865.944295][ T7704] netdev_get_by_index+0x5e/0x80 [18865.944295][ T7704] fib6_nh_init+0x3d8/0x15b0 [18865.944295][ T7704] ip6_route_info_create+0xf18/0x17d0 [18865.944295][ T7704] addrconf_f6i_alloc+0x315/0x560 [18865.944295][ T7704] ipv6_add_addr+0x411/0x2000 [18865.944295][ T7704] inet6_addr_add+0x30e/0xa40 [18865.944295][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18865.944295][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18865.944295][ T7704] netlink_rcv_skb+0x130/0x360 [18865.944295][ T7704] netlink_unicast+0x449/0x710 [18865.944295][ T7704] netlink_sendmsg+0x723/0xbe0 [18865.944295][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18865.944295][ T7704] ___sys_sendmsg+0xee/0x170 [18865.944295][ T7704] __sys_sendmsg+0xcd/0x170 [18865.944295][ T7704] do_syscall_64+0xc6/0x1e0 [18865.944295][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18865.944295][ T7704] [18865.946737][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18865.946737][ T7704] netdev_get_by_index+0x5e/0x80 [18865.946737][ T7704] fib6_nh_init+0x3d8/0x15b0 [18865.946737][ T7704] ip6_route_info_create+0xf18/0x17d0 [18865.946737][ T7704] ip6_route_add+0x1c/0x140 [18865.946737][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18865.946737][ T7704] addrconf_add_dev+0xe2/0x170 [18865.946737][ T7704] inet6_addr_add+0x12f/0xa40 [18865.946737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18865.946737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18865.946737][ T7704] netlink_rcv_skb+0x130/0x360 [18865.946737][ T7704] netlink_unicast+0x449/0x710 [18865.946737][ T7704] netlink_sendmsg+0x723/0xbe0 [18865.946737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18865.946737][ T7704] ___sys_sendmsg+0xee/0x170 [18865.946737][ T7704] __sys_sendmsg+0xcd/0x170 [18865.946737][ T7704] do_syscall_64+0xc6/0x1e0 [18865.946737][ T7704] [18865.949063][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18865.949063][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18865.949063][ T7704] ipv6_find_idev+0x102/0x170 [18865.949063][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18865.949063][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18865.949063][ T7704] netlink_rcv_skb+0x130/0x360 [18865.949063][ T7704] netlink_unicast+0x449/0x710 [18865.949063][ T7704] netlink_sendmsg+0x723/0xbe0 [18865.949063][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18865.949063][ T7704] ___sys_sendmsg+0xee/0x170 [18865.949063][ T7704] __sys_sendmsg+0xcd/0x170 [18865.949063][ T7704] do_syscall_64+0xc6/0x1e0 [18865.949063][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18865.949063][ T7704] [18865.950926][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18865.950926][ T7704] neigh_parms_alloc+0x1e5/0x510 [18865.950926][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18865.950926][ T7704] ipv6_find_idev+0x102/0x170 [18865.950926][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18865.950926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18865.950926][ T7704] netlink_rcv_skb+0x130/0x360 [18865.950926][ T7704] netlink_unicast+0x449/0x710 [18865.950926][ T7704] netlink_sendmsg+0x723/0xbe0 [18865.950926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18865.950926][ T7704] ___sys_sendmsg+0xee/0x170 [18865.950926][ T7704] __sys_sendmsg+0xcd/0x170 [18865.950926][ T7704] do_syscall_64+0xc6/0x1e0 [18865.950926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18865.950926][ T7704] [18876.204887][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18876.205737][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18876.205737][ T7704] netdev_get_by_index+0x5e/0x80 [18876.205737][ T7704] fib6_nh_init+0x3d8/0x15b0 [18876.205737][ T7704] ip6_route_info_create+0xf18/0x17d0 [18876.205737][ T7704] ip6_route_add+0x1c/0x140 [18876.205737][ T7704] addrconf_prefix_route+0x2a6/0x430 [18876.205737][ T7704] inet6_addr_add+0x4f8/0xa40 [18876.205737][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18876.205737][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18876.205737][ T7704] netlink_rcv_skb+0x130/0x360 [18876.205737][ T7704] netlink_unicast+0x449/0x710 [18876.205737][ T7704] netlink_sendmsg+0x723/0xbe0 [18876.205737][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18876.205737][ T7704] ___sys_sendmsg+0xee/0x170 [18876.205737][ T7704] __sys_sendmsg+0xcd/0x170 [18876.205737][ T7704] do_syscall_64+0xc6/0x1e0 [18876.205737][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18876.205737][ T7704] [18876.208264][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18876.208264][ T7704] netdev_get_by_index+0x5e/0x80 [18876.208264][ T7704] fib6_nh_init+0x3d8/0x15b0 [18876.208264][ T7704] ip6_route_info_create+0xf18/0x17d0 [18876.208264][ T7704] addrconf_f6i_alloc+0x315/0x560 [18876.208264][ T7704] ipv6_add_addr+0x411/0x2000 [18876.208264][ T7704] inet6_addr_add+0x30e/0xa40 [18876.208264][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18876.208264][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18876.208264][ T7704] netlink_rcv_skb+0x130/0x360 [18876.208264][ T7704] netlink_unicast+0x449/0x710 [18876.208264][ T7704] netlink_sendmsg+0x723/0xbe0 [18876.208264][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18876.208264][ T7704] ___sys_sendmsg+0xee/0x170 [18876.208264][ T7704] __sys_sendmsg+0xcd/0x170 [18876.208264][ T7704] do_syscall_64+0xc6/0x1e0 [18876.208264][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18876.208264][ T7704] [18876.210671][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18876.210671][ T7704] netdev_get_by_index+0x5e/0x80 [18876.210671][ T7704] fib6_nh_init+0x3d8/0x15b0 [18876.210671][ T7704] ip6_route_info_create+0xf18/0x17d0 [18876.210671][ T7704] ip6_route_add+0x1c/0x140 [18876.210671][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18876.210671][ T7704] addrconf_add_dev+0xe2/0x170 [18876.210671][ T7704] inet6_addr_add+0x12f/0xa40 [18876.210671][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18876.210671][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18876.210671][ T7704] netlink_rcv_skb+0x130/0x360 [18876.210671][ T7704] netlink_unicast+0x449/0x710 [18876.210671][ T7704] netlink_sendmsg+0x723/0xbe0 [18876.210671][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18876.210671][ T7704] ___sys_sendmsg+0xee/0x170 [18876.210671][ T7704] __sys_sendmsg+0xcd/0x170 [18876.210671][ T7704] do_syscall_64+0xc6/0x1e0 [18876.210671][ T7704] [18876.213121][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18876.213121][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18876.213121][ T7704] ipv6_find_idev+0x102/0x170 [18876.213121][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18876.213121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18876.213121][ T7704] netlink_rcv_skb+0x130/0x360 [18876.213121][ T7704] netlink_unicast+0x449/0x710 [18876.213121][ T7704] netlink_sendmsg+0x723/0xbe0 [18876.213121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18876.213121][ T7704] ___sys_sendmsg+0xee/0x170 [18876.213121][ T7704] __sys_sendmsg+0xcd/0x170 [18876.213121][ T7704] do_syscall_64+0xc6/0x1e0 [18876.213121][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18876.213121][ T7704] [18876.215095][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18876.215095][ T7704] neigh_parms_alloc+0x1e5/0x510 [18876.215095][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18876.215095][ T7704] ipv6_find_idev+0x102/0x170 [18876.215095][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18876.215095][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18876.215095][ T7704] netlink_rcv_skb+0x130/0x360 [18876.215095][ T7704] netlink_unicast+0x449/0x710 [18876.215095][ T7704] netlink_sendmsg+0x723/0xbe0 [18876.215095][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18876.215095][ T7704] ___sys_sendmsg+0xee/0x170 [18876.215095][ T7704] __sys_sendmsg+0xcd/0x170 [18876.215095][ T7704] do_syscall_64+0xc6/0x1e0 [18876.215095][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18876.215095][ T7704] [18886.221015][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18886.221711][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18886.221711][ T7704] netdev_get_by_index+0x5e/0x80 [18886.221711][ T7704] fib6_nh_init+0x3d8/0x15b0 [18886.221711][ T7704] ip6_route_info_create+0xf18/0x17d0 [18886.221711][ T7704] ip6_route_add+0x1c/0x140 [18886.221711][ T7704] addrconf_prefix_route+0x2a6/0x430 [18886.221711][ T7704] inet6_addr_add+0x4f8/0xa40 [18886.221711][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18886.221711][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18886.221711][ T7704] netlink_rcv_skb+0x130/0x360 [18886.221711][ T7704] netlink_unicast+0x449/0x710 [18886.221711][ T7704] netlink_sendmsg+0x723/0xbe0 [18886.221711][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18886.221711][ T7704] ___sys_sendmsg+0xee/0x170 [18886.221711][ T7704] __sys_sendmsg+0xcd/0x170 [18886.221711][ T7704] do_syscall_64+0xc6/0x1e0 [18886.221711][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18886.221711][ T7704] [18886.224116][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18886.224116][ T7704] netdev_get_by_index+0x5e/0x80 [18886.224116][ T7704] fib6_nh_init+0x3d8/0x15b0 [18886.224116][ T7704] ip6_route_info_create+0xf18/0x17d0 [18886.224116][ T7704] addrconf_f6i_alloc+0x315/0x560 [18886.224116][ T7704] ipv6_add_addr+0x411/0x2000 [18886.224116][ T7704] inet6_addr_add+0x30e/0xa40 [18886.224116][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18886.224116][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18886.224116][ T7704] netlink_rcv_skb+0x130/0x360 [18886.224116][ T7704] netlink_unicast+0x449/0x710 [18886.224116][ T7704] netlink_sendmsg+0x723/0xbe0 [18886.224116][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18886.224116][ T7704] ___sys_sendmsg+0xee/0x170 [18886.224116][ T7704] __sys_sendmsg+0xcd/0x170 [18886.224116][ T7704] do_syscall_64+0xc6/0x1e0 [18886.224116][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18886.224116][ T7704] [18886.226510][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18886.226510][ T7704] netdev_get_by_index+0x5e/0x80 [18886.226510][ T7704] fib6_nh_init+0x3d8/0x15b0 [18886.226510][ T7704] ip6_route_info_create+0xf18/0x17d0 [18886.226510][ T7704] ip6_route_add+0x1c/0x140 [18886.226510][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18886.226510][ T7704] addrconf_add_dev+0xe2/0x170 [18886.226510][ T7704] inet6_addr_add+0x12f/0xa40 [18886.226510][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18886.226510][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18886.226510][ T7704] netlink_rcv_skb+0x130/0x360 [18886.226510][ T7704] netlink_unicast+0x449/0x710 [18886.226510][ T7704] netlink_sendmsg+0x723/0xbe0 [18886.226510][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18886.226510][ T7704] ___sys_sendmsg+0xee/0x170 [18886.226510][ T7704] __sys_sendmsg+0xcd/0x170 [18886.226510][ T7704] do_syscall_64+0xc6/0x1e0 [18886.226510][ T7704] [18886.228867][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18886.228867][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18886.228867][ T7704] ipv6_find_idev+0x102/0x170 [18886.228867][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18886.228867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18886.228867][ T7704] netlink_rcv_skb+0x130/0x360 [18886.228867][ T7704] netlink_unicast+0x449/0x710 [18886.228867][ T7704] netlink_sendmsg+0x723/0xbe0 [18886.228867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18886.228867][ T7704] ___sys_sendmsg+0xee/0x170 [18886.228867][ T7704] __sys_sendmsg+0xcd/0x170 [18886.228867][ T7704] do_syscall_64+0xc6/0x1e0 [18886.228867][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18886.228867][ T7704] [18886.230774][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18886.230774][ T7704] neigh_parms_alloc+0x1e5/0x510 [18886.230774][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18886.230774][ T7704] ipv6_find_idev+0x102/0x170 [18886.230774][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18886.230774][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18886.230774][ T7704] netlink_rcv_skb+0x130/0x360 [18886.230774][ T7704] netlink_unicast+0x449/0x710 [18886.230774][ T7704] netlink_sendmsg+0x723/0xbe0 [18886.230774][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18886.230774][ T7704] ___sys_sendmsg+0xee/0x170 [18886.230774][ T7704] __sys_sendmsg+0xcd/0x170 [18886.230774][ T7704] do_syscall_64+0xc6/0x1e0 [18886.230774][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18886.230774][ T7704] [18896.364815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18896.365297][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18896.365297][ T7704] netdev_get_by_index+0x5e/0x80 [18896.365297][ T7704] fib6_nh_init+0x3d8/0x15b0 [18896.365297][ T7704] ip6_route_info_create+0xf18/0x17d0 [18896.365297][ T7704] ip6_route_add+0x1c/0x140 [18896.365297][ T7704] addrconf_prefix_route+0x2a6/0x430 [18896.365297][ T7704] inet6_addr_add+0x4f8/0xa40 [18896.365297][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18896.365297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18896.365297][ T7704] netlink_rcv_skb+0x130/0x360 [18896.365297][ T7704] netlink_unicast+0x449/0x710 [18896.365297][ T7704] netlink_sendmsg+0x723/0xbe0 [18896.365297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18896.365297][ T7704] ___sys_sendmsg+0xee/0x170 [18896.365297][ T7704] __sys_sendmsg+0xcd/0x170 [18896.365297][ T7704] do_syscall_64+0xc6/0x1e0 [18896.365297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18896.365297][ T7704] [18896.367780][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18896.367780][ T7704] netdev_get_by_index+0x5e/0x80 [18896.367780][ T7704] fib6_nh_init+0x3d8/0x15b0 [18896.367780][ T7704] ip6_route_info_create+0xf18/0x17d0 [18896.367780][ T7704] addrconf_f6i_alloc+0x315/0x560 [18896.367780][ T7704] ipv6_add_addr+0x411/0x2000 [18896.367780][ T7704] inet6_addr_add+0x30e/0xa40 [18896.367780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18896.367780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18896.367780][ T7704] netlink_rcv_skb+0x130/0x360 [18896.367780][ T7704] netlink_unicast+0x449/0x710 [18896.367780][ T7704] netlink_sendmsg+0x723/0xbe0 [18896.367780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18896.367780][ T7704] ___sys_sendmsg+0xee/0x170 [18896.367780][ T7704] __sys_sendmsg+0xcd/0x170 [18896.367780][ T7704] do_syscall_64+0xc6/0x1e0 [18896.367780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18896.367780][ T7704] [18896.370175][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18896.370175][ T7704] netdev_get_by_index+0x5e/0x80 [18896.370175][ T7704] fib6_nh_init+0x3d8/0x15b0 [18896.370175][ T7704] ip6_route_info_create+0xf18/0x17d0 [18896.370175][ T7704] ip6_route_add+0x1c/0x140 [18896.370175][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18896.370175][ T7704] addrconf_add_dev+0xe2/0x170 [18896.370175][ T7704] inet6_addr_add+0x12f/0xa40 [18896.370175][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18896.370175][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18896.370175][ T7704] netlink_rcv_skb+0x130/0x360 [18896.370175][ T7704] netlink_unicast+0x449/0x710 [18896.370175][ T7704] netlink_sendmsg+0x723/0xbe0 [18896.370175][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18896.370175][ T7704] ___sys_sendmsg+0xee/0x170 [18896.370175][ T7704] __sys_sendmsg+0xcd/0x170 [18896.370175][ T7704] do_syscall_64+0xc6/0x1e0 [18896.370175][ T7704] [18896.372593][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18896.372593][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18896.372593][ T7704] ipv6_find_idev+0x102/0x170 [18896.372593][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18896.372593][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18896.372593][ T7704] netlink_rcv_skb+0x130/0x360 [18896.372593][ T7704] netlink_unicast+0x449/0x710 [18896.372593][ T7704] netlink_sendmsg+0x723/0xbe0 [18896.372593][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18896.372593][ T7704] ___sys_sendmsg+0xee/0x170 [18896.372593][ T7704] __sys_sendmsg+0xcd/0x170 [18896.372593][ T7704] do_syscall_64+0xc6/0x1e0 [18896.372593][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18896.372593][ T7704] [18896.374441][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18896.374441][ T7704] neigh_parms_alloc+0x1e5/0x510 [18896.374441][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18896.374441][ T7704] ipv6_find_idev+0x102/0x170 [18896.374441][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18896.374441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18896.374441][ T7704] netlink_rcv_skb+0x130/0x360 [18896.374441][ T7704] netlink_unicast+0x449/0x710 [18896.374441][ T7704] netlink_sendmsg+0x723/0xbe0 [18896.374441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18896.374441][ T7704] ___sys_sendmsg+0xee/0x170 [18896.374441][ T7704] __sys_sendmsg+0xcd/0x170 [18896.374441][ T7704] do_syscall_64+0xc6/0x1e0 [18896.374441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18896.374441][ T7704] [18906.452873][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18906.453684][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18906.453684][ T7704] netdev_get_by_index+0x5e/0x80 [18906.453684][ T7704] fib6_nh_init+0x3d8/0x15b0 [18906.453684][ T7704] ip6_route_info_create+0xf18/0x17d0 [18906.453684][ T7704] ip6_route_add+0x1c/0x140 [18906.453684][ T7704] addrconf_prefix_route+0x2a6/0x430 [18906.453684][ T7704] inet6_addr_add+0x4f8/0xa40 [18906.453684][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18906.453684][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18906.453684][ T7704] netlink_rcv_skb+0x130/0x360 [18906.453684][ T7704] netlink_unicast+0x449/0x710 [18906.453684][ T7704] netlink_sendmsg+0x723/0xbe0 [18906.453684][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18906.453684][ T7704] ___sys_sendmsg+0xee/0x170 [18906.453684][ T7704] __sys_sendmsg+0xcd/0x170 [18906.453684][ T7704] do_syscall_64+0xc6/0x1e0 [18906.453684][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18906.453684][ T7704] [18906.456187][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18906.456187][ T7704] netdev_get_by_index+0x5e/0x80 [18906.456187][ T7704] fib6_nh_init+0x3d8/0x15b0 [18906.456187][ T7704] ip6_route_info_create+0xf18/0x17d0 [18906.456187][ T7704] addrconf_f6i_alloc+0x315/0x560 [18906.456187][ T7704] ipv6_add_addr+0x411/0x2000 [18906.456187][ T7704] inet6_addr_add+0x30e/0xa40 [18906.456187][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18906.456187][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18906.456187][ T7704] netlink_rcv_skb+0x130/0x360 [18906.456187][ T7704] netlink_unicast+0x449/0x710 [18906.456187][ T7704] netlink_sendmsg+0x723/0xbe0 [18906.456187][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18906.456187][ T7704] ___sys_sendmsg+0xee/0x170 [18906.456187][ T7704] __sys_sendmsg+0xcd/0x170 [18906.456187][ T7704] do_syscall_64+0xc6/0x1e0 [18906.456187][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18906.456187][ T7704] [18906.458560][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18906.458560][ T7704] netdev_get_by_index+0x5e/0x80 [18906.458560][ T7704] fib6_nh_init+0x3d8/0x15b0 [18906.458560][ T7704] ip6_route_info_create+0xf18/0x17d0 [18906.458560][ T7704] ip6_route_add+0x1c/0x140 [18906.458560][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18906.458560][ T7704] addrconf_add_dev+0xe2/0x170 [18906.458560][ T7704] inet6_addr_add+0x12f/0xa40 [18906.458560][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18906.458560][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18906.458560][ T7704] netlink_rcv_skb+0x130/0x360 [18906.458560][ T7704] netlink_unicast+0x449/0x710 [18906.458560][ T7704] netlink_sendmsg+0x723/0xbe0 [18906.458560][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18906.458560][ T7704] ___sys_sendmsg+0xee/0x170 [18906.458560][ T7704] __sys_sendmsg+0xcd/0x170 [18906.458560][ T7704] do_syscall_64+0xc6/0x1e0 [18906.458560][ T7704] [18906.460857][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18906.460857][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18906.460857][ T7704] ipv6_find_idev+0x102/0x170 [18906.460857][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18906.460857][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18906.460857][ T7704] netlink_rcv_skb+0x130/0x360 [18906.460857][ T7704] netlink_unicast+0x449/0x710 [18906.460857][ T7704] netlink_sendmsg+0x723/0xbe0 [18906.460857][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18906.460857][ T7704] ___sys_sendmsg+0xee/0x170 [18906.460857][ T7704] __sys_sendmsg+0xcd/0x170 [18906.460857][ T7704] do_syscall_64+0xc6/0x1e0 [18906.460857][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18906.460857][ T7704] [18906.462709][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18906.462709][ T7704] neigh_parms_alloc+0x1e5/0x510 [18906.462709][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18906.462709][ T7704] ipv6_find_idev+0x102/0x170 [18906.462709][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18906.462709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18906.462709][ T7704] netlink_rcv_skb+0x130/0x360 [18906.462709][ T7704] netlink_unicast+0x449/0x710 [18906.462709][ T7704] netlink_sendmsg+0x723/0xbe0 [18906.462709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18906.462709][ T7704] ___sys_sendmsg+0xee/0x170 [18906.462709][ T7704] __sys_sendmsg+0xcd/0x170 [18906.462709][ T7704] do_syscall_64+0xc6/0x1e0 [18906.462709][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18906.462709][ T7704] [18916.708973][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18916.709758][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18916.709758][ T7704] netdev_get_by_index+0x5e/0x80 [18916.709758][ T7704] fib6_nh_init+0x3d8/0x15b0 [18916.709758][ T7704] ip6_route_info_create+0xf18/0x17d0 [18916.709758][ T7704] ip6_route_add+0x1c/0x140 [18916.709758][ T7704] addrconf_prefix_route+0x2a6/0x430 [18916.709758][ T7704] inet6_addr_add+0x4f8/0xa40 [18916.709758][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18916.709758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18916.709758][ T7704] netlink_rcv_skb+0x130/0x360 [18916.709758][ T7704] netlink_unicast+0x449/0x710 [18916.709758][ T7704] netlink_sendmsg+0x723/0xbe0 [18916.709758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18916.709758][ T7704] ___sys_sendmsg+0xee/0x170 [18916.709758][ T7704] __sys_sendmsg+0xcd/0x170 [18916.709758][ T7704] do_syscall_64+0xc6/0x1e0 [18916.709758][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18916.709758][ T7704] [18916.712308][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18916.712308][ T7704] netdev_get_by_index+0x5e/0x80 [18916.712308][ T7704] fib6_nh_init+0x3d8/0x15b0 [18916.712308][ T7704] ip6_route_info_create+0xf18/0x17d0 [18916.712308][ T7704] addrconf_f6i_alloc+0x315/0x560 [18916.712308][ T7704] ipv6_add_addr+0x411/0x2000 [18916.712308][ T7704] inet6_addr_add+0x30e/0xa40 [18916.712308][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18916.712308][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18916.712308][ T7704] netlink_rcv_skb+0x130/0x360 [18916.712308][ T7704] netlink_unicast+0x449/0x710 [18916.712308][ T7704] netlink_sendmsg+0x723/0xbe0 [18916.712308][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18916.712308][ T7704] ___sys_sendmsg+0xee/0x170 [18916.712308][ T7704] __sys_sendmsg+0xcd/0x170 [18916.712308][ T7704] do_syscall_64+0xc6/0x1e0 [18916.712308][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18916.712308][ T7704] [18916.714842][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18916.714842][ T7704] netdev_get_by_index+0x5e/0x80 [18916.714842][ T7704] fib6_nh_init+0x3d8/0x15b0 [18916.714842][ T7704] ip6_route_info_create+0xf18/0x17d0 [18916.714842][ T7704] ip6_route_add+0x1c/0x140 [18916.714842][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18916.714842][ T7704] addrconf_add_dev+0xe2/0x170 [18916.714842][ T7704] inet6_addr_add+0x12f/0xa40 [18916.714842][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18916.714842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18916.714842][ T7704] netlink_rcv_skb+0x130/0x360 [18916.714842][ T7704] netlink_unicast+0x449/0x710 [18916.714842][ T7704] netlink_sendmsg+0x723/0xbe0 [18916.714842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18916.714842][ T7704] ___sys_sendmsg+0xee/0x170 [18916.714842][ T7704] __sys_sendmsg+0xcd/0x170 [18916.714842][ T7704] do_syscall_64+0xc6/0x1e0 [18916.714842][ T7704] [18916.717286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18916.717286][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18916.717286][ T7704] ipv6_find_idev+0x102/0x170 [18916.717286][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18916.717286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18916.717286][ T7704] netlink_rcv_skb+0x130/0x360 [18916.717286][ T7704] netlink_unicast+0x449/0x710 [18916.717286][ T7704] netlink_sendmsg+0x723/0xbe0 [18916.717286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18916.717286][ T7704] ___sys_sendmsg+0xee/0x170 [18916.717286][ T7704] __sys_sendmsg+0xcd/0x170 [18916.717286][ T7704] do_syscall_64+0xc6/0x1e0 [18916.717286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18916.717286][ T7704] [18916.719107][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18916.719107][ T7704] neigh_parms_alloc+0x1e5/0x510 [18916.719107][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18916.719107][ T7704] ipv6_find_idev+0x102/0x170 [18916.719107][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18916.719107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18916.719107][ T7704] netlink_rcv_skb+0x130/0x360 [18916.719107][ T7704] netlink_unicast+0x449/0x710 [18916.719107][ T7704] netlink_sendmsg+0x723/0xbe0 [18916.719107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18916.719107][ T7704] ___sys_sendmsg+0xee/0x170 [18916.719107][ T7704] __sys_sendmsg+0xcd/0x170 [18916.719107][ T7704] do_syscall_64+0xc6/0x1e0 [18916.719107][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18916.719107][ T7704] [18926.820835][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18926.821396][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18926.821396][ T7704] netdev_get_by_index+0x5e/0x80 [18926.821396][ T7704] fib6_nh_init+0x3d8/0x15b0 [18926.821396][ T7704] ip6_route_info_create+0xf18/0x17d0 [18926.821396][ T7704] ip6_route_add+0x1c/0x140 [18926.821396][ T7704] addrconf_prefix_route+0x2a6/0x430 [18926.821396][ T7704] inet6_addr_add+0x4f8/0xa40 [18926.821396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18926.821396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18926.821396][ T7704] netlink_rcv_skb+0x130/0x360 [18926.821396][ T7704] netlink_unicast+0x449/0x710 [18926.821396][ T7704] netlink_sendmsg+0x723/0xbe0 [18926.821396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18926.821396][ T7704] ___sys_sendmsg+0xee/0x170 [18926.821396][ T7704] __sys_sendmsg+0xcd/0x170 [18926.821396][ T7704] do_syscall_64+0xc6/0x1e0 [18926.821396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18926.821396][ T7704] [18926.823744][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18926.823744][ T7704] netdev_get_by_index+0x5e/0x80 [18926.823744][ T7704] fib6_nh_init+0x3d8/0x15b0 [18926.823744][ T7704] ip6_route_info_create+0xf18/0x17d0 [18926.823744][ T7704] addrconf_f6i_alloc+0x315/0x560 [18926.823744][ T7704] ipv6_add_addr+0x411/0x2000 [18926.823744][ T7704] inet6_addr_add+0x30e/0xa40 [18926.823744][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18926.823744][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18926.823744][ T7704] netlink_rcv_skb+0x130/0x360 [18926.823744][ T7704] netlink_unicast+0x449/0x710 [18926.823744][ T7704] netlink_sendmsg+0x723/0xbe0 [18926.823744][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18926.823744][ T7704] ___sys_sendmsg+0xee/0x170 [18926.823744][ T7704] __sys_sendmsg+0xcd/0x170 [18926.823744][ T7704] do_syscall_64+0xc6/0x1e0 [18926.823744][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18926.823744][ T7704] [18926.826282][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18926.826282][ T7704] netdev_get_by_index+0x5e/0x80 [18926.826282][ T7704] fib6_nh_init+0x3d8/0x15b0 [18926.826282][ T7704] ip6_route_info_create+0xf18/0x17d0 [18926.826282][ T7704] ip6_route_add+0x1c/0x140 [18926.826282][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18926.826282][ T7704] addrconf_add_dev+0xe2/0x170 [18926.826282][ T7704] inet6_addr_add+0x12f/0xa40 [18926.826282][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18926.826282][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18926.826282][ T7704] netlink_rcv_skb+0x130/0x360 [18926.826282][ T7704] netlink_unicast+0x449/0x710 [18926.826282][ T7704] netlink_sendmsg+0x723/0xbe0 [18926.826282][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18926.826282][ T7704] ___sys_sendmsg+0xee/0x170 [18926.826282][ T7704] __sys_sendmsg+0xcd/0x170 [18926.826282][ T7704] do_syscall_64+0xc6/0x1e0 [18926.826282][ T7704] [18926.828600][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18926.828600][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18926.828600][ T7704] ipv6_find_idev+0x102/0x170 [18926.828600][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18926.828600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18926.828600][ T7704] netlink_rcv_skb+0x130/0x360 [18926.828600][ T7704] netlink_unicast+0x449/0x710 [18926.828600][ T7704] netlink_sendmsg+0x723/0xbe0 [18926.828600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18926.828600][ T7704] ___sys_sendmsg+0xee/0x170 [18926.828600][ T7704] __sys_sendmsg+0xcd/0x170 [18926.828600][ T7704] do_syscall_64+0xc6/0x1e0 [18926.828600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18926.828600][ T7704] [18926.830357][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18926.830357][ T7704] neigh_parms_alloc+0x1e5/0x510 [18926.830357][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18926.830357][ T7704] ipv6_find_idev+0x102/0x170 [18926.830357][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18926.830357][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18926.830357][ T7704] netlink_rcv_skb+0x130/0x360 [18926.830357][ T7704] netlink_unicast+0x449/0x710 [18926.830357][ T7704] netlink_sendmsg+0x723/0xbe0 [18926.830357][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18926.830357][ T7704] ___sys_sendmsg+0xee/0x170 [18926.830357][ T7704] __sys_sendmsg+0xcd/0x170 [18926.830357][ T7704] do_syscall_64+0xc6/0x1e0 [18926.830357][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18926.830357][ T7704] [18937.068917][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18937.069657][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18937.069657][ T7704] netdev_get_by_index+0x5e/0x80 [18937.069657][ T7704] fib6_nh_init+0x3d8/0x15b0 [18937.069657][ T7704] ip6_route_info_create+0xf18/0x17d0 [18937.069657][ T7704] ip6_route_add+0x1c/0x140 [18937.069657][ T7704] addrconf_prefix_route+0x2a6/0x430 [18937.069657][ T7704] inet6_addr_add+0x4f8/0xa40 [18937.069657][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18937.069657][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18937.069657][ T7704] netlink_rcv_skb+0x130/0x360 [18937.069657][ T7704] netlink_unicast+0x449/0x710 [18937.069657][ T7704] netlink_sendmsg+0x723/0xbe0 [18937.069657][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18937.069657][ T7704] ___sys_sendmsg+0xee/0x170 [18937.069657][ T7704] __sys_sendmsg+0xcd/0x170 [18937.069657][ T7704] do_syscall_64+0xc6/0x1e0 [18937.069657][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18937.069657][ T7704] [18937.072014][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18937.072014][ T7704] netdev_get_by_index+0x5e/0x80 [18937.072014][ T7704] fib6_nh_init+0x3d8/0x15b0 [18937.072014][ T7704] ip6_route_info_create+0xf18/0x17d0 [18937.072014][ T7704] addrconf_f6i_alloc+0x315/0x560 [18937.072014][ T7704] ipv6_add_addr+0x411/0x2000 [18937.072014][ T7704] inet6_addr_add+0x30e/0xa40 [18937.072014][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18937.072014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18937.072014][ T7704] netlink_rcv_skb+0x130/0x360 [18937.072014][ T7704] netlink_unicast+0x449/0x710 [18937.072014][ T7704] netlink_sendmsg+0x723/0xbe0 [18937.072014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18937.072014][ T7704] ___sys_sendmsg+0xee/0x170 [18937.072014][ T7704] __sys_sendmsg+0xcd/0x170 [18937.072014][ T7704] do_syscall_64+0xc6/0x1e0 [18937.072014][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18937.072014][ T7704] [18937.074307][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18937.074307][ T7704] netdev_get_by_index+0x5e/0x80 [18937.074307][ T7704] fib6_nh_init+0x3d8/0x15b0 [18937.074307][ T7704] ip6_route_info_create+0xf18/0x17d0 [18937.074307][ T7704] ip6_route_add+0x1c/0x140 [18937.074307][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18937.074307][ T7704] addrconf_add_dev+0xe2/0x170 [18937.074307][ T7704] inet6_addr_add+0x12f/0xa40 [18937.074307][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18937.074307][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18937.074307][ T7704] netlink_rcv_skb+0x130/0x360 [18937.074307][ T7704] netlink_unicast+0x449/0x710 [18937.074307][ T7704] netlink_sendmsg+0x723/0xbe0 [18937.074307][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18937.074307][ T7704] ___sys_sendmsg+0xee/0x170 [18937.074307][ T7704] __sys_sendmsg+0xcd/0x170 [18937.074307][ T7704] do_syscall_64+0xc6/0x1e0 [18937.074307][ T7704] [18937.076552][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18937.076552][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18937.076552][ T7704] ipv6_find_idev+0x102/0x170 [18937.076552][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18937.076552][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18937.076552][ T7704] netlink_rcv_skb+0x130/0x360 [18937.076552][ T7704] netlink_unicast+0x449/0x710 [18937.076552][ T7704] netlink_sendmsg+0x723/0xbe0 [18937.076552][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18937.076552][ T7704] ___sys_sendmsg+0xee/0x170 [18937.076552][ T7704] __sys_sendmsg+0xcd/0x170 [18937.076552][ T7704] do_syscall_64+0xc6/0x1e0 [18937.076552][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18937.076552][ T7704] [18937.078398][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18937.078398][ T7704] neigh_parms_alloc+0x1e5/0x510 [18937.078398][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18937.078398][ T7704] ipv6_find_idev+0x102/0x170 [18937.078398][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18937.078398][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18937.078398][ T7704] netlink_rcv_skb+0x130/0x360 [18937.078398][ T7704] netlink_unicast+0x449/0x710 [18937.078398][ T7704] netlink_sendmsg+0x723/0xbe0 [18937.078398][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18937.078398][ T7704] ___sys_sendmsg+0xee/0x170 [18937.078398][ T7704] __sys_sendmsg+0xcd/0x170 [18937.078398][ T7704] do_syscall_64+0xc6/0x1e0 [18937.078398][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18937.078398][ T7704] [18947.316811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18947.317374][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18947.317374][ T7704] netdev_get_by_index+0x5e/0x80 [18947.317374][ T7704] fib6_nh_init+0x3d8/0x15b0 [18947.317374][ T7704] ip6_route_info_create+0xf18/0x17d0 [18947.317374][ T7704] ip6_route_add+0x1c/0x140 [18947.317374][ T7704] addrconf_prefix_route+0x2a6/0x430 [18947.317374][ T7704] inet6_addr_add+0x4f8/0xa40 [18947.317374][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18947.317374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18947.317374][ T7704] netlink_rcv_skb+0x130/0x360 [18947.317374][ T7704] netlink_unicast+0x449/0x710 [18947.317374][ T7704] netlink_sendmsg+0x723/0xbe0 [18947.317374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18947.317374][ T7704] ___sys_sendmsg+0xee/0x170 [18947.317374][ T7704] __sys_sendmsg+0xcd/0x170 [18947.317374][ T7704] do_syscall_64+0xc6/0x1e0 [18947.317374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18947.317374][ T7704] [18947.319820][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18947.319820][ T7704] netdev_get_by_index+0x5e/0x80 [18947.319820][ T7704] fib6_nh_init+0x3d8/0x15b0 [18947.319820][ T7704] ip6_route_info_create+0xf18/0x17d0 [18947.319820][ T7704] addrconf_f6i_alloc+0x315/0x560 [18947.319820][ T7704] ipv6_add_addr+0x411/0x2000 [18947.319820][ T7704] inet6_addr_add+0x30e/0xa40 [18947.319820][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18947.319820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18947.319820][ T7704] netlink_rcv_skb+0x130/0x360 [18947.319820][ T7704] netlink_unicast+0x449/0x710 [18947.319820][ T7704] netlink_sendmsg+0x723/0xbe0 [18947.319820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18947.319820][ T7704] ___sys_sendmsg+0xee/0x170 [18947.319820][ T7704] __sys_sendmsg+0xcd/0x170 [18947.319820][ T7704] do_syscall_64+0xc6/0x1e0 [18947.319820][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18947.319820][ T7704] [18947.322239][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18947.322239][ T7704] netdev_get_by_index+0x5e/0x80 [18947.322239][ T7704] fib6_nh_init+0x3d8/0x15b0 [18947.322239][ T7704] ip6_route_info_create+0xf18/0x17d0 [18947.322239][ T7704] ip6_route_add+0x1c/0x140 [18947.322239][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18947.322239][ T7704] addrconf_add_dev+0xe2/0x170 [18947.322239][ T7704] inet6_addr_add+0x12f/0xa40 [18947.322239][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18947.322239][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18947.322239][ T7704] netlink_rcv_skb+0x130/0x360 [18947.322239][ T7704] netlink_unicast+0x449/0x710 [18947.322239][ T7704] netlink_sendmsg+0x723/0xbe0 [18947.322239][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18947.322239][ T7704] ___sys_sendmsg+0xee/0x170 [18947.322239][ T7704] __sys_sendmsg+0xcd/0x170 [18947.322239][ T7704] do_syscall_64+0xc6/0x1e0 [18947.322239][ T7704] [18947.324624][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18947.324624][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18947.324624][ T7704] ipv6_find_idev+0x102/0x170 [18947.324624][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18947.324624][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18947.324624][ T7704] netlink_rcv_skb+0x130/0x360 [18947.324624][ T7704] netlink_unicast+0x449/0x710 [18947.324624][ T7704] netlink_sendmsg+0x723/0xbe0 [18947.324624][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18947.324624][ T7704] ___sys_sendmsg+0xee/0x170 [18947.324624][ T7704] __sys_sendmsg+0xcd/0x170 [18947.324624][ T7704] do_syscall_64+0xc6/0x1e0 [18947.324624][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18947.324624][ T7704] [18947.326434][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18947.326434][ T7704] neigh_parms_alloc+0x1e5/0x510 [18947.326434][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18947.326434][ T7704] ipv6_find_idev+0x102/0x170 [18947.326434][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18947.326434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18947.326434][ T7704] netlink_rcv_skb+0x130/0x360 [18947.326434][ T7704] netlink_unicast+0x449/0x710 [18947.326434][ T7704] netlink_sendmsg+0x723/0xbe0 [18947.326434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18947.326434][ T7704] ___sys_sendmsg+0xee/0x170 [18947.326434][ T7704] __sys_sendmsg+0xcd/0x170 [18947.326434][ T7704] do_syscall_64+0xc6/0x1e0 [18947.326434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18947.326434][ T7704] [18957.564831][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18957.565739][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18957.565739][ T7704] netdev_get_by_index+0x5e/0x80 [18957.565739][ T7704] fib6_nh_init+0x3d8/0x15b0 [18957.565739][ T7704] ip6_route_info_create+0xf18/0x17d0 [18957.565739][ T7704] ip6_route_add+0x1c/0x140 [18957.565739][ T7704] addrconf_prefix_route+0x2a6/0x430 [18957.565739][ T7704] inet6_addr_add+0x4f8/0xa40 [18957.565739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18957.565739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18957.565739][ T7704] netlink_rcv_skb+0x130/0x360 [18957.565739][ T7704] netlink_unicast+0x449/0x710 [18957.565739][ T7704] netlink_sendmsg+0x723/0xbe0 [18957.565739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18957.565739][ T7704] ___sys_sendmsg+0xee/0x170 [18957.565739][ T7704] __sys_sendmsg+0xcd/0x170 [18957.565739][ T7704] do_syscall_64+0xc6/0x1e0 [18957.565739][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18957.565739][ T7704] [18957.568121][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18957.568121][ T7704] netdev_get_by_index+0x5e/0x80 [18957.568121][ T7704] fib6_nh_init+0x3d8/0x15b0 [18957.568121][ T7704] ip6_route_info_create+0xf18/0x17d0 [18957.568121][ T7704] addrconf_f6i_alloc+0x315/0x560 [18957.568121][ T7704] ipv6_add_addr+0x411/0x2000 [18957.568121][ T7704] inet6_addr_add+0x30e/0xa40 [18957.568121][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18957.568121][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18957.568121][ T7704] netlink_rcv_skb+0x130/0x360 [18957.568121][ T7704] netlink_unicast+0x449/0x710 [18957.568121][ T7704] netlink_sendmsg+0x723/0xbe0 [18957.568121][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18957.568121][ T7704] ___sys_sendmsg+0xee/0x170 [18957.568121][ T7704] __sys_sendmsg+0xcd/0x170 [18957.568121][ T7704] do_syscall_64+0xc6/0x1e0 [18957.568121][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18957.568121][ T7704] [18957.570533][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18957.570533][ T7704] netdev_get_by_index+0x5e/0x80 [18957.570533][ T7704] fib6_nh_init+0x3d8/0x15b0 [18957.570533][ T7704] ip6_route_info_create+0xf18/0x17d0 [18957.570533][ T7704] ip6_route_add+0x1c/0x140 [18957.570533][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18957.570533][ T7704] addrconf_add_dev+0xe2/0x170 [18957.570533][ T7704] inet6_addr_add+0x12f/0xa40 [18957.570533][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18957.570533][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18957.570533][ T7704] netlink_rcv_skb+0x130/0x360 [18957.570533][ T7704] netlink_unicast+0x449/0x710 [18957.570533][ T7704] netlink_sendmsg+0x723/0xbe0 [18957.570533][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18957.570533][ T7704] ___sys_sendmsg+0xee/0x170 [18957.570533][ T7704] __sys_sendmsg+0xcd/0x170 [18957.570533][ T7704] do_syscall_64+0xc6/0x1e0 [18957.570533][ T7704] [18957.572923][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18957.572923][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18957.572923][ T7704] ipv6_find_idev+0x102/0x170 [18957.572923][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18957.572923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18957.572923][ T7704] netlink_rcv_skb+0x130/0x360 [18957.572923][ T7704] netlink_unicast+0x449/0x710 [18957.572923][ T7704] netlink_sendmsg+0x723/0xbe0 [18957.572923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18957.572923][ T7704] ___sys_sendmsg+0xee/0x170 [18957.572923][ T7704] __sys_sendmsg+0xcd/0x170 [18957.572923][ T7704] do_syscall_64+0xc6/0x1e0 [18957.572923][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18957.572923][ T7704] [18957.574813][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18957.574813][ T7704] neigh_parms_alloc+0x1e5/0x510 [18957.574813][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18957.574813][ T7704] ipv6_find_idev+0x102/0x170 [18957.574813][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18957.574813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18957.574813][ T7704] netlink_rcv_skb+0x130/0x360 [18957.574813][ T7704] netlink_unicast+0x449/0x710 [18957.574813][ T7704] netlink_sendmsg+0x723/0xbe0 [18957.574813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18957.574813][ T7704] ___sys_sendmsg+0xee/0x170 [18957.574813][ T7704] __sys_sendmsg+0xcd/0x170 [18957.574813][ T7704] do_syscall_64+0xc6/0x1e0 [18957.574813][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18957.574813][ T7704] [18967.812810][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18967.813341][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18967.813341][ T7704] netdev_get_by_index+0x5e/0x80 [18967.813341][ T7704] fib6_nh_init+0x3d8/0x15b0 [18967.813341][ T7704] ip6_route_info_create+0xf18/0x17d0 [18967.813341][ T7704] ip6_route_add+0x1c/0x140 [18967.813341][ T7704] addrconf_prefix_route+0x2a6/0x430 [18967.813341][ T7704] inet6_addr_add+0x4f8/0xa40 [18967.813341][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18967.813341][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18967.813341][ T7704] netlink_rcv_skb+0x130/0x360 [18967.813341][ T7704] netlink_unicast+0x449/0x710 [18967.813341][ T7704] netlink_sendmsg+0x723/0xbe0 [18967.813341][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18967.813341][ T7704] ___sys_sendmsg+0xee/0x170 [18967.813341][ T7704] __sys_sendmsg+0xcd/0x170 [18967.813341][ T7704] do_syscall_64+0xc6/0x1e0 [18967.813341][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18967.813341][ T7704] [18967.815788][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18967.815788][ T7704] netdev_get_by_index+0x5e/0x80 [18967.815788][ T7704] fib6_nh_init+0x3d8/0x15b0 [18967.815788][ T7704] ip6_route_info_create+0xf18/0x17d0 [18967.815788][ T7704] addrconf_f6i_alloc+0x315/0x560 [18967.815788][ T7704] ipv6_add_addr+0x411/0x2000 [18967.815788][ T7704] inet6_addr_add+0x30e/0xa40 [18967.815788][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18967.815788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18967.815788][ T7704] netlink_rcv_skb+0x130/0x360 [18967.815788][ T7704] netlink_unicast+0x449/0x710 [18967.815788][ T7704] netlink_sendmsg+0x723/0xbe0 [18967.815788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18967.815788][ T7704] ___sys_sendmsg+0xee/0x170 [18967.815788][ T7704] __sys_sendmsg+0xcd/0x170 [18967.815788][ T7704] do_syscall_64+0xc6/0x1e0 [18967.815788][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18967.815788][ T7704] [18967.818172][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18967.818172][ T7704] netdev_get_by_index+0x5e/0x80 [18967.818172][ T7704] fib6_nh_init+0x3d8/0x15b0 [18967.818172][ T7704] ip6_route_info_create+0xf18/0x17d0 [18967.818172][ T7704] ip6_route_add+0x1c/0x140 [18967.818172][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18967.818172][ T7704] addrconf_add_dev+0xe2/0x170 [18967.818172][ T7704] inet6_addr_add+0x12f/0xa40 [18967.818172][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18967.818172][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18967.818172][ T7704] netlink_rcv_skb+0x130/0x360 [18967.818172][ T7704] netlink_unicast+0x449/0x710 [18967.818172][ T7704] netlink_sendmsg+0x723/0xbe0 [18967.818172][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18967.818172][ T7704] ___sys_sendmsg+0xee/0x170 [18967.818172][ T7704] __sys_sendmsg+0xcd/0x170 [18967.818172][ T7704] do_syscall_64+0xc6/0x1e0 [18967.818172][ T7704] [18967.820552][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18967.820552][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18967.820552][ T7704] ipv6_find_idev+0x102/0x170 [18967.820552][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18967.820552][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18967.820552][ T7704] netlink_rcv_skb+0x130/0x360 [18967.820552][ T7704] netlink_unicast+0x449/0x710 [18967.820552][ T7704] netlink_sendmsg+0x723/0xbe0 [18967.820552][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18967.820552][ T7704] ___sys_sendmsg+0xee/0x170 [18967.820552][ T7704] __sys_sendmsg+0xcd/0x170 [18967.820552][ T7704] do_syscall_64+0xc6/0x1e0 [18967.820552][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18967.820552][ T7704] [18967.822416][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18967.822416][ T7704] neigh_parms_alloc+0x1e5/0x510 [18967.822416][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18967.822416][ T7704] ipv6_find_idev+0x102/0x170 [18967.822416][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18967.822416][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18967.822416][ T7704] netlink_rcv_skb+0x130/0x360 [18967.822416][ T7704] netlink_unicast+0x449/0x710 [18967.822416][ T7704] netlink_sendmsg+0x723/0xbe0 [18967.822416][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18967.822416][ T7704] ___sys_sendmsg+0xee/0x170 [18967.822416][ T7704] __sys_sendmsg+0xcd/0x170 [18967.822416][ T7704] do_syscall_64+0xc6/0x1e0 [18967.822416][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18967.822416][ T7704] [18978.060900][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18978.061605][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18978.061605][ T7704] netdev_get_by_index+0x5e/0x80 [18978.061605][ T7704] fib6_nh_init+0x3d8/0x15b0 [18978.061605][ T7704] ip6_route_info_create+0xf18/0x17d0 [18978.061605][ T7704] ip6_route_add+0x1c/0x140 [18978.061605][ T7704] addrconf_prefix_route+0x2a6/0x430 [18978.061605][ T7704] inet6_addr_add+0x4f8/0xa40 [18978.061605][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18978.061605][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18978.061605][ T7704] netlink_rcv_skb+0x130/0x360 [18978.061605][ T7704] netlink_unicast+0x449/0x710 [18978.061605][ T7704] netlink_sendmsg+0x723/0xbe0 [18978.061605][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18978.061605][ T7704] ___sys_sendmsg+0xee/0x170 [18978.061605][ T7704] __sys_sendmsg+0xcd/0x170 [18978.061605][ T7704] do_syscall_64+0xc6/0x1e0 [18978.061605][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18978.061605][ T7704] [18978.063893][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18978.063893][ T7704] netdev_get_by_index+0x5e/0x80 [18978.063893][ T7704] fib6_nh_init+0x3d8/0x15b0 [18978.063893][ T7704] ip6_route_info_create+0xf18/0x17d0 [18978.063893][ T7704] addrconf_f6i_alloc+0x315/0x560 [18978.063893][ T7704] ipv6_add_addr+0x411/0x2000 [18978.063893][ T7704] inet6_addr_add+0x30e/0xa40 [18978.063893][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18978.063893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18978.063893][ T7704] netlink_rcv_skb+0x130/0x360 [18978.063893][ T7704] netlink_unicast+0x449/0x710 [18978.063893][ T7704] netlink_sendmsg+0x723/0xbe0 [18978.063893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18978.063893][ T7704] ___sys_sendmsg+0xee/0x170 [18978.063893][ T7704] __sys_sendmsg+0xcd/0x170 [18978.063893][ T7704] do_syscall_64+0xc6/0x1e0 [18978.063893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18978.063893][ T7704] [18978.066163][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18978.066163][ T7704] netdev_get_by_index+0x5e/0x80 [18978.066163][ T7704] fib6_nh_init+0x3d8/0x15b0 [18978.066163][ T7704] ip6_route_info_create+0xf18/0x17d0 [18978.066163][ T7704] ip6_route_add+0x1c/0x140 [18978.066163][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18978.066163][ T7704] addrconf_add_dev+0xe2/0x170 [18978.066163][ T7704] inet6_addr_add+0x12f/0xa40 [18978.066163][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18978.066163][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18978.066163][ T7704] netlink_rcv_skb+0x130/0x360 [18978.066163][ T7704] netlink_unicast+0x449/0x710 [18978.066163][ T7704] netlink_sendmsg+0x723/0xbe0 [18978.066163][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18978.066163][ T7704] ___sys_sendmsg+0xee/0x170 [18978.066163][ T7704] __sys_sendmsg+0xcd/0x170 [18978.066163][ T7704] do_syscall_64+0xc6/0x1e0 [18978.066163][ T7704] [18978.068396][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18978.068396][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18978.068396][ T7704] ipv6_find_idev+0x102/0x170 [18978.068396][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18978.068396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18978.068396][ T7704] netlink_rcv_skb+0x130/0x360 [18978.068396][ T7704] netlink_unicast+0x449/0x710 [18978.068396][ T7704] netlink_sendmsg+0x723/0xbe0 [18978.068396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18978.068396][ T7704] ___sys_sendmsg+0xee/0x170 [18978.068396][ T7704] __sys_sendmsg+0xcd/0x170 [18978.068396][ T7704] do_syscall_64+0xc6/0x1e0 [18978.068396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18978.068396][ T7704] [18978.070638][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18978.070638][ T7704] neigh_parms_alloc+0x1e5/0x510 [18978.070638][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18978.070638][ T7704] ipv6_find_idev+0x102/0x170 [18978.070638][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18978.070638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18978.070638][ T7704] netlink_rcv_skb+0x130/0x360 [18978.070638][ T7704] netlink_unicast+0x449/0x710 [18978.070638][ T7704] netlink_sendmsg+0x723/0xbe0 [18978.070638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18978.070638][ T7704] ___sys_sendmsg+0xee/0x170 [18978.070638][ T7704] __sys_sendmsg+0xcd/0x170 [18978.070638][ T7704] do_syscall_64+0xc6/0x1e0 [18978.070638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18978.070638][ T7704] [18988.076934][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18988.077576][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18988.077576][ T7704] netdev_get_by_index+0x5e/0x80 [18988.077576][ T7704] fib6_nh_init+0x3d8/0x15b0 [18988.077576][ T7704] ip6_route_info_create+0xf18/0x17d0 [18988.077576][ T7704] ip6_route_add+0x1c/0x140 [18988.077576][ T7704] addrconf_prefix_route+0x2a6/0x430 [18988.077576][ T7704] inet6_addr_add+0x4f8/0xa40 [18988.077576][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18988.077576][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18988.077576][ T7704] netlink_rcv_skb+0x130/0x360 [18988.077576][ T7704] netlink_unicast+0x449/0x710 [18988.077576][ T7704] netlink_sendmsg+0x723/0xbe0 [18988.077576][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18988.077576][ T7704] ___sys_sendmsg+0xee/0x170 [18988.077576][ T7704] __sys_sendmsg+0xcd/0x170 [18988.077576][ T7704] do_syscall_64+0xc6/0x1e0 [18988.077576][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18988.077576][ T7704] [18988.079877][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18988.079877][ T7704] netdev_get_by_index+0x5e/0x80 [18988.079877][ T7704] fib6_nh_init+0x3d8/0x15b0 [18988.079877][ T7704] ip6_route_info_create+0xf18/0x17d0 [18988.079877][ T7704] addrconf_f6i_alloc+0x315/0x560 [18988.079877][ T7704] ipv6_add_addr+0x411/0x2000 [18988.079877][ T7704] inet6_addr_add+0x30e/0xa40 [18988.079877][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18988.079877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18988.079877][ T7704] netlink_rcv_skb+0x130/0x360 [18988.079877][ T7704] netlink_unicast+0x449/0x710 [18988.079877][ T7704] netlink_sendmsg+0x723/0xbe0 [18988.079877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18988.079877][ T7704] ___sys_sendmsg+0xee/0x170 [18988.079877][ T7704] __sys_sendmsg+0xcd/0x170 [18988.079877][ T7704] do_syscall_64+0xc6/0x1e0 [18988.079877][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18988.079877][ T7704] [18988.082144][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18988.082144][ T7704] netdev_get_by_index+0x5e/0x80 [18988.082144][ T7704] fib6_nh_init+0x3d8/0x15b0 [18988.082144][ T7704] ip6_route_info_create+0xf18/0x17d0 [18988.082144][ T7704] ip6_route_add+0x1c/0x140 [18988.082144][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18988.082144][ T7704] addrconf_add_dev+0xe2/0x170 [18988.082144][ T7704] inet6_addr_add+0x12f/0xa40 [18988.082144][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18988.082144][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18988.082144][ T7704] netlink_rcv_skb+0x130/0x360 [18988.082144][ T7704] netlink_unicast+0x449/0x710 [18988.082144][ T7704] netlink_sendmsg+0x723/0xbe0 [18988.082144][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18988.082144][ T7704] ___sys_sendmsg+0xee/0x170 [18988.082144][ T7704] __sys_sendmsg+0xcd/0x170 [18988.082144][ T7704] do_syscall_64+0xc6/0x1e0 [18988.082144][ T7704] [18988.084473][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18988.084473][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18988.084473][ T7704] ipv6_find_idev+0x102/0x170 [18988.084473][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18988.084473][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18988.084473][ T7704] netlink_rcv_skb+0x130/0x360 [18988.084473][ T7704] netlink_unicast+0x449/0x710 [18988.084473][ T7704] netlink_sendmsg+0x723/0xbe0 [18988.084473][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18988.084473][ T7704] ___sys_sendmsg+0xee/0x170 [18988.084473][ T7704] __sys_sendmsg+0xcd/0x170 [18988.084473][ T7704] do_syscall_64+0xc6/0x1e0 [18988.084473][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18988.084473][ T7704] [18988.086237][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18988.086237][ T7704] neigh_parms_alloc+0x1e5/0x510 [18988.086237][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18988.086237][ T7704] ipv6_find_idev+0x102/0x170 [18988.086237][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18988.086237][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18988.086237][ T7704] netlink_rcv_skb+0x130/0x360 [18988.086237][ T7704] netlink_unicast+0x449/0x710 [18988.086237][ T7704] netlink_sendmsg+0x723/0xbe0 [18988.086237][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18988.086237][ T7704] ___sys_sendmsg+0xee/0x170 [18988.086237][ T7704] __sys_sendmsg+0xcd/0x170 [18988.086237][ T7704] do_syscall_64+0xc6/0x1e0 [18988.086237][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18988.086237][ T7704] [18998.180895][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [18998.182168][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18998.182168][ T7704] netdev_get_by_index+0x5e/0x80 [18998.182168][ T7704] fib6_nh_init+0x3d8/0x15b0 [18998.182168][ T7704] ip6_route_info_create+0xf18/0x17d0 [18998.182168][ T7704] ip6_route_add+0x1c/0x140 [18998.182168][ T7704] addrconf_prefix_route+0x2a6/0x430 [18998.182168][ T7704] inet6_addr_add+0x4f8/0xa40 [18998.182168][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18998.182168][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18998.182168][ T7704] netlink_rcv_skb+0x130/0x360 [18998.182168][ T7704] netlink_unicast+0x449/0x710 [18998.182168][ T7704] netlink_sendmsg+0x723/0xbe0 [18998.182168][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18998.182168][ T7704] ___sys_sendmsg+0xee/0x170 [18998.182168][ T7704] __sys_sendmsg+0xcd/0x170 [18998.182168][ T7704] do_syscall_64+0xc6/0x1e0 [18998.182168][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18998.182168][ T7704] [18998.184839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18998.184839][ T7704] netdev_get_by_index+0x5e/0x80 [18998.184839][ T7704] fib6_nh_init+0x3d8/0x15b0 [18998.184839][ T7704] ip6_route_info_create+0xf18/0x17d0 [18998.184839][ T7704] addrconf_f6i_alloc+0x315/0x560 [18998.184839][ T7704] ipv6_add_addr+0x411/0x2000 [18998.184839][ T7704] inet6_addr_add+0x30e/0xa40 [18998.184839][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18998.184839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18998.184839][ T7704] netlink_rcv_skb+0x130/0x360 [18998.184839][ T7704] netlink_unicast+0x449/0x710 [18998.184839][ T7704] netlink_sendmsg+0x723/0xbe0 [18998.184839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18998.184839][ T7704] ___sys_sendmsg+0xee/0x170 [18998.184839][ T7704] __sys_sendmsg+0xcd/0x170 [18998.184839][ T7704] do_syscall_64+0xc6/0x1e0 [18998.184839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18998.184839][ T7704] [18998.187223][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18998.187223][ T7704] netdev_get_by_index+0x5e/0x80 [18998.187223][ T7704] fib6_nh_init+0x3d8/0x15b0 [18998.187223][ T7704] ip6_route_info_create+0xf18/0x17d0 [18998.187223][ T7704] ip6_route_add+0x1c/0x140 [18998.187223][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [18998.187223][ T7704] addrconf_add_dev+0xe2/0x170 [18998.187223][ T7704] inet6_addr_add+0x12f/0xa40 [18998.187223][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [18998.187223][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18998.187223][ T7704] netlink_rcv_skb+0x130/0x360 [18998.187223][ T7704] netlink_unicast+0x449/0x710 [18998.187223][ T7704] netlink_sendmsg+0x723/0xbe0 [18998.187223][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18998.187223][ T7704] ___sys_sendmsg+0xee/0x170 [18998.187223][ T7704] __sys_sendmsg+0xcd/0x170 [18998.187223][ T7704] do_syscall_64+0xc6/0x1e0 [18998.187223][ T7704] [18998.189535][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18998.189535][ T7704] ipv6_add_dev+0x3b9/0x11c0 [18998.189535][ T7704] ipv6_find_idev+0x102/0x170 [18998.189535][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18998.189535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18998.189535][ T7704] netlink_rcv_skb+0x130/0x360 [18998.189535][ T7704] netlink_unicast+0x449/0x710 [18998.189535][ T7704] netlink_sendmsg+0x723/0xbe0 [18998.189535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18998.189535][ T7704] ___sys_sendmsg+0xee/0x170 [18998.189535][ T7704] __sys_sendmsg+0xcd/0x170 [18998.189535][ T7704] do_syscall_64+0xc6/0x1e0 [18998.189535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18998.189535][ T7704] [18998.191412][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [18998.191412][ T7704] neigh_parms_alloc+0x1e5/0x510 [18998.191412][ T7704] ipv6_add_dev+0x2fd/0x11c0 [18998.191412][ T7704] ipv6_find_idev+0x102/0x170 [18998.191412][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [18998.191412][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [18998.191412][ T7704] netlink_rcv_skb+0x130/0x360 [18998.191412][ T7704] netlink_unicast+0x449/0x710 [18998.191412][ T7704] netlink_sendmsg+0x723/0xbe0 [18998.191412][ T7704] ____sys_sendmsg+0x7b2/0xa10 [18998.191412][ T7704] ___sys_sendmsg+0xee/0x170 [18998.191412][ T7704] __sys_sendmsg+0xcd/0x170 [18998.191412][ T7704] do_syscall_64+0xc6/0x1e0 [18998.191412][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [18998.191412][ T7704] [19008.332895][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19008.333352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19008.333352][ T7704] netdev_get_by_index+0x5e/0x80 [19008.333352][ T7704] fib6_nh_init+0x3d8/0x15b0 [19008.333352][ T7704] ip6_route_info_create+0xf18/0x17d0 [19008.333352][ T7704] ip6_route_add+0x1c/0x140 [19008.333352][ T7704] addrconf_prefix_route+0x2a6/0x430 [19008.333352][ T7704] inet6_addr_add+0x4f8/0xa40 [19008.333352][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19008.333352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19008.333352][ T7704] netlink_rcv_skb+0x130/0x360 [19008.333352][ T7704] netlink_unicast+0x449/0x710 [19008.333352][ T7704] netlink_sendmsg+0x723/0xbe0 [19008.333352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19008.333352][ T7704] ___sys_sendmsg+0xee/0x170 [19008.333352][ T7704] __sys_sendmsg+0xcd/0x170 [19008.333352][ T7704] do_syscall_64+0xc6/0x1e0 [19008.333352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19008.333352][ T7704] [19008.335726][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19008.335726][ T7704] netdev_get_by_index+0x5e/0x80 [19008.335726][ T7704] fib6_nh_init+0x3d8/0x15b0 [19008.335726][ T7704] ip6_route_info_create+0xf18/0x17d0 [19008.335726][ T7704] addrconf_f6i_alloc+0x315/0x560 [19008.335726][ T7704] ipv6_add_addr+0x411/0x2000 [19008.335726][ T7704] inet6_addr_add+0x30e/0xa40 [19008.335726][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19008.335726][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19008.335726][ T7704] netlink_rcv_skb+0x130/0x360 [19008.335726][ T7704] netlink_unicast+0x449/0x710 [19008.335726][ T7704] netlink_sendmsg+0x723/0xbe0 [19008.335726][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19008.335726][ T7704] ___sys_sendmsg+0xee/0x170 [19008.335726][ T7704] __sys_sendmsg+0xcd/0x170 [19008.335726][ T7704] do_syscall_64+0xc6/0x1e0 [19008.335726][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19008.335726][ T7704] [19008.338006][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19008.338006][ T7704] netdev_get_by_index+0x5e/0x80 [19008.338006][ T7704] fib6_nh_init+0x3d8/0x15b0 [19008.338006][ T7704] ip6_route_info_create+0xf18/0x17d0 [19008.338006][ T7704] ip6_route_add+0x1c/0x140 [19008.338006][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19008.338006][ T7704] addrconf_add_dev+0xe2/0x170 [19008.338006][ T7704] inet6_addr_add+0x12f/0xa40 [19008.338006][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19008.338006][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19008.338006][ T7704] netlink_rcv_skb+0x130/0x360 [19008.338006][ T7704] netlink_unicast+0x449/0x710 [19008.338006][ T7704] netlink_sendmsg+0x723/0xbe0 [19008.338006][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19008.338006][ T7704] ___sys_sendmsg+0xee/0x170 [19008.338006][ T7704] __sys_sendmsg+0xcd/0x170 [19008.338006][ T7704] do_syscall_64+0xc6/0x1e0 [19008.338006][ T7704] [19008.340278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19008.340278][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19008.340278][ T7704] ipv6_find_idev+0x102/0x170 [19008.340278][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19008.340278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19008.340278][ T7704] netlink_rcv_skb+0x130/0x360 [19008.340278][ T7704] netlink_unicast+0x449/0x710 [19008.340278][ T7704] netlink_sendmsg+0x723/0xbe0 [19008.340278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19008.340278][ T7704] ___sys_sendmsg+0xee/0x170 [19008.340278][ T7704] __sys_sendmsg+0xcd/0x170 [19008.340278][ T7704] do_syscall_64+0xc6/0x1e0 [19008.340278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19008.340278][ T7704] [19008.342234][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19008.342234][ T7704] neigh_parms_alloc+0x1e5/0x510 [19008.342234][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19008.342234][ T7704] ipv6_find_idev+0x102/0x170 [19008.342234][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19008.342234][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19008.342234][ T7704] netlink_rcv_skb+0x130/0x360 [19008.342234][ T7704] netlink_unicast+0x449/0x710 [19008.342234][ T7704] netlink_sendmsg+0x723/0xbe0 [19008.342234][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19008.342234][ T7704] ___sys_sendmsg+0xee/0x170 [19008.342234][ T7704] __sys_sendmsg+0xcd/0x170 [19008.342234][ T7704] do_syscall_64+0xc6/0x1e0 [19008.342234][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19008.342234][ T7704] [19018.596978][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19018.597681][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19018.597681][ T7704] netdev_get_by_index+0x5e/0x80 [19018.597681][ T7704] fib6_nh_init+0x3d8/0x15b0 [19018.597681][ T7704] ip6_route_info_create+0xf18/0x17d0 [19018.597681][ T7704] ip6_route_add+0x1c/0x140 [19018.597681][ T7704] addrconf_prefix_route+0x2a6/0x430 [19018.597681][ T7704] inet6_addr_add+0x4f8/0xa40 [19018.597681][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19018.597681][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19018.597681][ T7704] netlink_rcv_skb+0x130/0x360 [19018.597681][ T7704] netlink_unicast+0x449/0x710 [19018.597681][ T7704] netlink_sendmsg+0x723/0xbe0 [19018.597681][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19018.597681][ T7704] ___sys_sendmsg+0xee/0x170 [19018.597681][ T7704] __sys_sendmsg+0xcd/0x170 [19018.597681][ T7704] do_syscall_64+0xc6/0x1e0 [19018.597681][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19018.597681][ T7704] [19018.599912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19018.599912][ T7704] netdev_get_by_index+0x5e/0x80 [19018.599912][ T7704] fib6_nh_init+0x3d8/0x15b0 [19018.599912][ T7704] ip6_route_info_create+0xf18/0x17d0 [19018.599912][ T7704] addrconf_f6i_alloc+0x315/0x560 [19018.599912][ T7704] ipv6_add_addr+0x411/0x2000 [19018.599912][ T7704] inet6_addr_add+0x30e/0xa40 [19018.599912][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19018.599912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19018.599912][ T7704] netlink_rcv_skb+0x130/0x360 [19018.599912][ T7704] netlink_unicast+0x449/0x710 [19018.599912][ T7704] netlink_sendmsg+0x723/0xbe0 [19018.599912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19018.599912][ T7704] ___sys_sendmsg+0xee/0x170 [19018.599912][ T7704] __sys_sendmsg+0xcd/0x170 [19018.599912][ T7704] do_syscall_64+0xc6/0x1e0 [19018.599912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19018.599912][ T7704] [19018.602107][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19018.602107][ T7704] netdev_get_by_index+0x5e/0x80 [19018.602107][ T7704] fib6_nh_init+0x3d8/0x15b0 [19018.602107][ T7704] ip6_route_info_create+0xf18/0x17d0 [19018.602107][ T7704] ip6_route_add+0x1c/0x140 [19018.602107][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19018.602107][ T7704] addrconf_add_dev+0xe2/0x170 [19018.602107][ T7704] inet6_addr_add+0x12f/0xa40 [19018.602107][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19018.602107][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19018.602107][ T7704] netlink_rcv_skb+0x130/0x360 [19018.602107][ T7704] netlink_unicast+0x449/0x710 [19018.602107][ T7704] netlink_sendmsg+0x723/0xbe0 [19018.602107][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19018.602107][ T7704] ___sys_sendmsg+0xee/0x170 [19018.602107][ T7704] __sys_sendmsg+0xcd/0x170 [19018.602107][ T7704] do_syscall_64+0xc6/0x1e0 [19018.602107][ T7704] [19018.604336][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19018.604336][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19018.604336][ T7704] ipv6_find_idev+0x102/0x170 [19018.604336][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19018.604336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19018.604336][ T7704] netlink_rcv_skb+0x130/0x360 [19018.604336][ T7704] netlink_unicast+0x449/0x710 [19018.604336][ T7704] netlink_sendmsg+0x723/0xbe0 [19018.604336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19018.604336][ T7704] ___sys_sendmsg+0xee/0x170 [19018.604336][ T7704] __sys_sendmsg+0xcd/0x170 [19018.604336][ T7704] do_syscall_64+0xc6/0x1e0 [19018.604336][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19018.604336][ T7704] [19018.606014][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19018.606014][ T7704] neigh_parms_alloc+0x1e5/0x510 [19018.606014][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19018.606014][ T7704] ipv6_find_idev+0x102/0x170 [19018.606014][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19018.606014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19018.606014][ T7704] netlink_rcv_skb+0x130/0x360 [19018.606014][ T7704] netlink_unicast+0x449/0x710 [19018.606014][ T7704] netlink_sendmsg+0x723/0xbe0 [19018.606014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19018.606014][ T7704] ___sys_sendmsg+0xee/0x170 [19018.606014][ T7704] __sys_sendmsg+0xcd/0x170 [19018.606014][ T7704] do_syscall_64+0xc6/0x1e0 [19018.606014][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19018.606014][ T7704] [19028.852904][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19028.853953][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19028.853953][ T7704] netdev_get_by_index+0x5e/0x80 [19028.853953][ T7704] fib6_nh_init+0x3d8/0x15b0 [19028.853953][ T7704] ip6_route_info_create+0xf18/0x17d0 [19028.853953][ T7704] ip6_route_add+0x1c/0x140 [19028.853953][ T7704] addrconf_prefix_route+0x2a6/0x430 [19028.853953][ T7704] inet6_addr_add+0x4f8/0xa40 [19028.853953][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19028.853953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19028.853953][ T7704] netlink_rcv_skb+0x130/0x360 [19028.853953][ T7704] netlink_unicast+0x449/0x710 [19028.853953][ T7704] netlink_sendmsg+0x723/0xbe0 [19028.853953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19028.853953][ T7704] ___sys_sendmsg+0xee/0x170 [19028.853953][ T7704] __sys_sendmsg+0xcd/0x170 [19028.853953][ T7704] do_syscall_64+0xc6/0x1e0 [19028.853953][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19028.853953][ T7704] [19028.856146][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19028.856146][ T7704] netdev_get_by_index+0x5e/0x80 [19028.856146][ T7704] fib6_nh_init+0x3d8/0x15b0 [19028.856146][ T7704] ip6_route_info_create+0xf18/0x17d0 [19028.856146][ T7704] addrconf_f6i_alloc+0x315/0x560 [19028.856146][ T7704] ipv6_add_addr+0x411/0x2000 [19028.856146][ T7704] inet6_addr_add+0x30e/0xa40 [19028.856146][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19028.856146][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19028.856146][ T7704] netlink_rcv_skb+0x130/0x360 [19028.856146][ T7704] netlink_unicast+0x449/0x710 [19028.856146][ T7704] netlink_sendmsg+0x723/0xbe0 [19028.856146][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19028.856146][ T7704] ___sys_sendmsg+0xee/0x170 [19028.856146][ T7704] __sys_sendmsg+0xcd/0x170 [19028.856146][ T7704] do_syscall_64+0xc6/0x1e0 [19028.856146][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19028.856146][ T7704] [19028.858302][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19028.858302][ T7704] netdev_get_by_index+0x5e/0x80 [19028.858302][ T7704] fib6_nh_init+0x3d8/0x15b0 [19028.858302][ T7704] ip6_route_info_create+0xf18/0x17d0 [19028.858302][ T7704] ip6_route_add+0x1c/0x140 [19028.858302][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19028.858302][ T7704] addrconf_add_dev+0xe2/0x170 [19028.858302][ T7704] inet6_addr_add+0x12f/0xa40 [19028.858302][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19028.858302][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19028.858302][ T7704] netlink_rcv_skb+0x130/0x360 [19028.858302][ T7704] netlink_unicast+0x449/0x710 [19028.858302][ T7704] netlink_sendmsg+0x723/0xbe0 [19028.858302][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19028.858302][ T7704] ___sys_sendmsg+0xee/0x170 [19028.858302][ T7704] __sys_sendmsg+0xcd/0x170 [19028.858302][ T7704] do_syscall_64+0xc6/0x1e0 [19028.858302][ T7704] [19028.860417][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19028.860417][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19028.860417][ T7704] ipv6_find_idev+0x102/0x170 [19028.860417][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19028.860417][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19028.860417][ T7704] netlink_rcv_skb+0x130/0x360 [19028.860417][ T7704] netlink_unicast+0x449/0x710 [19028.860417][ T7704] netlink_sendmsg+0x723/0xbe0 [19028.860417][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19028.860417][ T7704] ___sys_sendmsg+0xee/0x170 [19028.860417][ T7704] __sys_sendmsg+0xcd/0x170 [19028.860417][ T7704] do_syscall_64+0xc6/0x1e0 [19028.860417][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19028.860417][ T7704] [19028.862094][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19028.862094][ T7704] neigh_parms_alloc+0x1e5/0x510 [19028.862094][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19028.862094][ T7704] ipv6_find_idev+0x102/0x170 [19028.862094][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19028.862094][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19028.862094][ T7704] netlink_rcv_skb+0x130/0x360 [19028.862094][ T7704] netlink_unicast+0x449/0x710 [19028.862094][ T7704] netlink_sendmsg+0x723/0xbe0 [19028.862094][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19028.862094][ T7704] ___sys_sendmsg+0xee/0x170 [19028.862094][ T7704] __sys_sendmsg+0xcd/0x170 [19028.862094][ T7704] do_syscall_64+0xc6/0x1e0 [19028.862094][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19028.862094][ T7704] [19039.332943][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19039.333670][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19039.333670][ T7704] netdev_get_by_index+0x5e/0x80 [19039.333670][ T7704] fib6_nh_init+0x3d8/0x15b0 [19039.333670][ T7704] ip6_route_info_create+0xf18/0x17d0 [19039.333670][ T7704] ip6_route_add+0x1c/0x140 [19039.333670][ T7704] addrconf_prefix_route+0x2a6/0x430 [19039.333670][ T7704] inet6_addr_add+0x4f8/0xa40 [19039.333670][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19039.333670][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19039.333670][ T7704] netlink_rcv_skb+0x130/0x360 [19039.333670][ T7704] netlink_unicast+0x449/0x710 [19039.333670][ T7704] netlink_sendmsg+0x723/0xbe0 [19039.333670][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19039.333670][ T7704] ___sys_sendmsg+0xee/0x170 [19039.333670][ T7704] __sys_sendmsg+0xcd/0x170 [19039.333670][ T7704] do_syscall_64+0xc6/0x1e0 [19039.333670][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19039.333670][ T7704] [19039.335973][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19039.335973][ T7704] netdev_get_by_index+0x5e/0x80 [19039.335973][ T7704] fib6_nh_init+0x3d8/0x15b0 [19039.335973][ T7704] ip6_route_info_create+0xf18/0x17d0 [19039.335973][ T7704] addrconf_f6i_alloc+0x315/0x560 [19039.335973][ T7704] ipv6_add_addr+0x411/0x2000 [19039.335973][ T7704] inet6_addr_add+0x30e/0xa40 [19039.335973][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19039.335973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19039.335973][ T7704] netlink_rcv_skb+0x130/0x360 [19039.335973][ T7704] netlink_unicast+0x449/0x710 [19039.335973][ T7704] netlink_sendmsg+0x723/0xbe0 [19039.335973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19039.335973][ T7704] ___sys_sendmsg+0xee/0x170 [19039.335973][ T7704] __sys_sendmsg+0xcd/0x170 [19039.335973][ T7704] do_syscall_64+0xc6/0x1e0 [19039.335973][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19039.335973][ T7704] [19039.338241][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19039.338241][ T7704] netdev_get_by_index+0x5e/0x80 [19039.338241][ T7704] fib6_nh_init+0x3d8/0x15b0 [19039.338241][ T7704] ip6_route_info_create+0xf18/0x17d0 [19039.338241][ T7704] ip6_route_add+0x1c/0x140 [19039.338241][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19039.338241][ T7704] addrconf_add_dev+0xe2/0x170 [19039.338241][ T7704] inet6_addr_add+0x12f/0xa40 [19039.338241][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19039.338241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19039.338241][ T7704] netlink_rcv_skb+0x130/0x360 [19039.338241][ T7704] netlink_unicast+0x449/0x710 [19039.338241][ T7704] netlink_sendmsg+0x723/0xbe0 [19039.338241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19039.338241][ T7704] ___sys_sendmsg+0xee/0x170 [19039.338241][ T7704] __sys_sendmsg+0xcd/0x170 [19039.338241][ T7704] do_syscall_64+0xc6/0x1e0 [19039.338241][ T7704] [19039.340548][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19039.340548][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19039.340548][ T7704] ipv6_find_idev+0x102/0x170 [19039.340548][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19039.340548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19039.340548][ T7704] netlink_rcv_skb+0x130/0x360 [19039.340548][ T7704] netlink_unicast+0x449/0x710 [19039.340548][ T7704] netlink_sendmsg+0x723/0xbe0 [19039.340548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19039.340548][ T7704] ___sys_sendmsg+0xee/0x170 [19039.340548][ T7704] __sys_sendmsg+0xcd/0x170 [19039.340548][ T7704] do_syscall_64+0xc6/0x1e0 [19039.340548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19039.340548][ T7704] [19039.342300][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19039.342300][ T7704] neigh_parms_alloc+0x1e5/0x510 [19039.342300][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19039.342300][ T7704] ipv6_find_idev+0x102/0x170 [19039.342300][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19039.342300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19039.342300][ T7704] netlink_rcv_skb+0x130/0x360 [19039.342300][ T7704] netlink_unicast+0x449/0x710 [19039.342300][ T7704] netlink_sendmsg+0x723/0xbe0 [19039.342300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19039.342300][ T7704] ___sys_sendmsg+0xee/0x170 [19039.342300][ T7704] __sys_sendmsg+0xcd/0x170 [19039.342300][ T7704] do_syscall_64+0xc6/0x1e0 [19039.342300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19039.342300][ T7704] [19049.837000][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19049.838078][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19049.838078][ T7704] netdev_get_by_index+0x5e/0x80 [19049.838078][ T7704] fib6_nh_init+0x3d8/0x15b0 [19049.838078][ T7704] ip6_route_info_create+0xf18/0x17d0 [19049.838078][ T7704] ip6_route_add+0x1c/0x140 [19049.838078][ T7704] addrconf_prefix_route+0x2a6/0x430 [19049.838078][ T7704] inet6_addr_add+0x4f8/0xa40 [19049.838078][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19049.838078][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19049.838078][ T7704] netlink_rcv_skb+0x130/0x360 [19049.838078][ T7704] netlink_unicast+0x449/0x710 [19049.838078][ T7704] netlink_sendmsg+0x723/0xbe0 [19049.838078][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19049.838078][ T7704] ___sys_sendmsg+0xee/0x170 [19049.838078][ T7704] __sys_sendmsg+0xcd/0x170 [19049.838078][ T7704] do_syscall_64+0xc6/0x1e0 [19049.838078][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19049.838078][ T7704] [19049.840396][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19049.840396][ T7704] netdev_get_by_index+0x5e/0x80 [19049.840396][ T7704] fib6_nh_init+0x3d8/0x15b0 [19049.840396][ T7704] ip6_route_info_create+0xf18/0x17d0 [19049.840396][ T7704] addrconf_f6i_alloc+0x315/0x560 [19049.840396][ T7704] ipv6_add_addr+0x411/0x2000 [19049.840396][ T7704] inet6_addr_add+0x30e/0xa40 [19049.840396][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19049.840396][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19049.840396][ T7704] netlink_rcv_skb+0x130/0x360 [19049.840396][ T7704] netlink_unicast+0x449/0x710 [19049.840396][ T7704] netlink_sendmsg+0x723/0xbe0 [19049.840396][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19049.840396][ T7704] ___sys_sendmsg+0xee/0x170 [19049.840396][ T7704] __sys_sendmsg+0xcd/0x170 [19049.840396][ T7704] do_syscall_64+0xc6/0x1e0 [19049.840396][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19049.840396][ T7704] [19049.842654][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19049.842654][ T7704] netdev_get_by_index+0x5e/0x80 [19049.842654][ T7704] fib6_nh_init+0x3d8/0x15b0 [19049.842654][ T7704] ip6_route_info_create+0xf18/0x17d0 [19049.842654][ T7704] ip6_route_add+0x1c/0x140 [19049.842654][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19049.842654][ T7704] addrconf_add_dev+0xe2/0x170 [19049.842654][ T7704] inet6_addr_add+0x12f/0xa40 [19049.842654][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19049.842654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19049.842654][ T7704] netlink_rcv_skb+0x130/0x360 [19049.842654][ T7704] netlink_unicast+0x449/0x710 [19049.842654][ T7704] netlink_sendmsg+0x723/0xbe0 [19049.842654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19049.842654][ T7704] ___sys_sendmsg+0xee/0x170 [19049.842654][ T7704] __sys_sendmsg+0xcd/0x170 [19049.842654][ T7704] do_syscall_64+0xc6/0x1e0 [19049.842654][ T7704] [19049.844935][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19049.844935][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19049.844935][ T7704] ipv6_find_idev+0x102/0x170 [19049.844935][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19049.844935][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19049.844935][ T7704] netlink_rcv_skb+0x130/0x360 [19049.844935][ T7704] netlink_unicast+0x449/0x710 [19049.844935][ T7704] netlink_sendmsg+0x723/0xbe0 [19049.844935][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19049.844935][ T7704] ___sys_sendmsg+0xee/0x170 [19049.844935][ T7704] __sys_sendmsg+0xcd/0x170 [19049.844935][ T7704] do_syscall_64+0xc6/0x1e0 [19049.844935][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19049.844935][ T7704] [19049.846668][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19049.846668][ T7704] neigh_parms_alloc+0x1e5/0x510 [19049.846668][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19049.846668][ T7704] ipv6_find_idev+0x102/0x170 [19049.846668][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19049.846668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19049.846668][ T7704] netlink_rcv_skb+0x130/0x360 [19049.846668][ T7704] netlink_unicast+0x449/0x710 [19049.846668][ T7704] netlink_sendmsg+0x723/0xbe0 [19049.846668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19049.846668][ T7704] ___sys_sendmsg+0xee/0x170 [19049.846668][ T7704] __sys_sendmsg+0xcd/0x170 [19049.846668][ T7704] do_syscall_64+0xc6/0x1e0 [19049.846668][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19049.846668][ T7704] [19060.100936][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19060.101889][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19060.101889][ T7704] netdev_get_by_index+0x5e/0x80 [19060.101889][ T7704] fib6_nh_init+0x3d8/0x15b0 [19060.101889][ T7704] ip6_route_info_create+0xf18/0x17d0 [19060.101889][ T7704] ip6_route_add+0x1c/0x140 [19060.101889][ T7704] addrconf_prefix_route+0x2a6/0x430 [19060.101889][ T7704] inet6_addr_add+0x4f8/0xa40 [19060.101889][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19060.101889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19060.101889][ T7704] netlink_rcv_skb+0x130/0x360 [19060.101889][ T7704] netlink_unicast+0x449/0x710 [19060.101889][ T7704] netlink_sendmsg+0x723/0xbe0 [19060.101889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19060.101889][ T7704] ___sys_sendmsg+0xee/0x170 [19060.101889][ T7704] __sys_sendmsg+0xcd/0x170 [19060.101889][ T7704] do_syscall_64+0xc6/0x1e0 [19060.101889][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19060.101889][ T7704] [19060.104149][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19060.104149][ T7704] netdev_get_by_index+0x5e/0x80 [19060.104149][ T7704] fib6_nh_init+0x3d8/0x15b0 [19060.104149][ T7704] ip6_route_info_create+0xf18/0x17d0 [19060.104149][ T7704] addrconf_f6i_alloc+0x315/0x560 [19060.104149][ T7704] ipv6_add_addr+0x411/0x2000 [19060.104149][ T7704] inet6_addr_add+0x30e/0xa40 [19060.104149][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19060.104149][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19060.104149][ T7704] netlink_rcv_skb+0x130/0x360 [19060.104149][ T7704] netlink_unicast+0x449/0x710 [19060.104149][ T7704] netlink_sendmsg+0x723/0xbe0 [19060.104149][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19060.104149][ T7704] ___sys_sendmsg+0xee/0x170 [19060.104149][ T7704] __sys_sendmsg+0xcd/0x170 [19060.104149][ T7704] do_syscall_64+0xc6/0x1e0 [19060.104149][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19060.104149][ T7704] [19060.106369][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19060.106369][ T7704] netdev_get_by_index+0x5e/0x80 [19060.106369][ T7704] fib6_nh_init+0x3d8/0x15b0 [19060.106369][ T7704] ip6_route_info_create+0xf18/0x17d0 [19060.106369][ T7704] ip6_route_add+0x1c/0x140 [19060.106369][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19060.106369][ T7704] addrconf_add_dev+0xe2/0x170 [19060.106369][ T7704] inet6_addr_add+0x12f/0xa40 [19060.106369][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19060.106369][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19060.106369][ T7704] netlink_rcv_skb+0x130/0x360 [19060.106369][ T7704] netlink_unicast+0x449/0x710 [19060.106369][ T7704] netlink_sendmsg+0x723/0xbe0 [19060.106369][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19060.106369][ T7704] ___sys_sendmsg+0xee/0x170 [19060.106369][ T7704] __sys_sendmsg+0xcd/0x170 [19060.106369][ T7704] do_syscall_64+0xc6/0x1e0 [19060.106369][ T7704] [19060.108550][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19060.108550][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19060.108550][ T7704] ipv6_find_idev+0x102/0x170 [19060.108550][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19060.108550][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19060.108550][ T7704] netlink_rcv_skb+0x130/0x360 [19060.108550][ T7704] netlink_unicast+0x449/0x710 [19060.108550][ T7704] netlink_sendmsg+0x723/0xbe0 [19060.108550][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19060.108550][ T7704] ___sys_sendmsg+0xee/0x170 [19060.108550][ T7704] __sys_sendmsg+0xcd/0x170 [19060.108550][ T7704] do_syscall_64+0xc6/0x1e0 [19060.108550][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19060.108550][ T7704] [19060.110285][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19060.110285][ T7704] neigh_parms_alloc+0x1e5/0x510 [19060.110285][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19060.110285][ T7704] ipv6_find_idev+0x102/0x170 [19060.110285][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19060.110285][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19060.110285][ T7704] netlink_rcv_skb+0x130/0x360 [19060.110285][ T7704] netlink_unicast+0x449/0x710 [19060.110285][ T7704] netlink_sendmsg+0x723/0xbe0 [19060.110285][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19060.110285][ T7704] ___sys_sendmsg+0xee/0x170 [19060.110285][ T7704] __sys_sendmsg+0xcd/0x170 [19060.110285][ T7704] do_syscall_64+0xc6/0x1e0 [19060.110285][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19060.110285][ T7704] [19070.364916][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19070.365455][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19070.365455][ T7704] netdev_get_by_index+0x5e/0x80 [19070.365455][ T7704] fib6_nh_init+0x3d8/0x15b0 [19070.365455][ T7704] ip6_route_info_create+0xf18/0x17d0 [19070.365455][ T7704] ip6_route_add+0x1c/0x140 [19070.365455][ T7704] addrconf_prefix_route+0x2a6/0x430 [19070.365455][ T7704] inet6_addr_add+0x4f8/0xa40 [19070.365455][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19070.365455][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19070.365455][ T7704] netlink_rcv_skb+0x130/0x360 [19070.365455][ T7704] netlink_unicast+0x449/0x710 [19070.365455][ T7704] netlink_sendmsg+0x723/0xbe0 [19070.365455][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19070.365455][ T7704] ___sys_sendmsg+0xee/0x170 [19070.365455][ T7704] __sys_sendmsg+0xcd/0x170 [19070.365455][ T7704] do_syscall_64+0xc6/0x1e0 [19070.365455][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19070.365455][ T7704] [19070.367653][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19070.367653][ T7704] netdev_get_by_index+0x5e/0x80 [19070.367653][ T7704] fib6_nh_init+0x3d8/0x15b0 [19070.367653][ T7704] ip6_route_info_create+0xf18/0x17d0 [19070.367653][ T7704] addrconf_f6i_alloc+0x315/0x560 [19070.367653][ T7704] ipv6_add_addr+0x411/0x2000 [19070.367653][ T7704] inet6_addr_add+0x30e/0xa40 [19070.367653][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19070.367653][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19070.367653][ T7704] netlink_rcv_skb+0x130/0x360 [19070.367653][ T7704] netlink_unicast+0x449/0x710 [19070.367653][ T7704] netlink_sendmsg+0x723/0xbe0 [19070.367653][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19070.367653][ T7704] ___sys_sendmsg+0xee/0x170 [19070.367653][ T7704] __sys_sendmsg+0xcd/0x170 [19070.367653][ T7704] do_syscall_64+0xc6/0x1e0 [19070.367653][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19070.367653][ T7704] [19070.369806][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19070.369806][ T7704] netdev_get_by_index+0x5e/0x80 [19070.369806][ T7704] fib6_nh_init+0x3d8/0x15b0 [19070.369806][ T7704] ip6_route_info_create+0xf18/0x17d0 [19070.369806][ T7704] ip6_route_add+0x1c/0x140 [19070.369806][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19070.369806][ T7704] addrconf_add_dev+0xe2/0x170 [19070.369806][ T7704] inet6_addr_add+0x12f/0xa40 [19070.369806][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19070.369806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19070.369806][ T7704] netlink_rcv_skb+0x130/0x360 [19070.369806][ T7704] netlink_unicast+0x449/0x710 [19070.369806][ T7704] netlink_sendmsg+0x723/0xbe0 [19070.369806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19070.369806][ T7704] ___sys_sendmsg+0xee/0x170 [19070.369806][ T7704] __sys_sendmsg+0xcd/0x170 [19070.369806][ T7704] do_syscall_64+0xc6/0x1e0 [19070.369806][ T7704] [19070.371961][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19070.371961][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19070.371961][ T7704] ipv6_find_idev+0x102/0x170 [19070.371961][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19070.371961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19070.371961][ T7704] netlink_rcv_skb+0x130/0x360 [19070.371961][ T7704] netlink_unicast+0x449/0x710 [19070.371961][ T7704] netlink_sendmsg+0x723/0xbe0 [19070.371961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19070.371961][ T7704] ___sys_sendmsg+0xee/0x170 [19070.371961][ T7704] __sys_sendmsg+0xcd/0x170 [19070.371961][ T7704] do_syscall_64+0xc6/0x1e0 [19070.371961][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19070.371961][ T7704] [19070.373705][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19070.373705][ T7704] neigh_parms_alloc+0x1e5/0x510 [19070.373705][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19070.373705][ T7704] ipv6_find_idev+0x102/0x170 [19070.373705][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19070.373705][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19070.373705][ T7704] netlink_rcv_skb+0x130/0x360 [19070.373705][ T7704] netlink_unicast+0x449/0x710 [19070.373705][ T7704] netlink_sendmsg+0x723/0xbe0 [19070.373705][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19070.373705][ T7704] ___sys_sendmsg+0xee/0x170 [19070.373705][ T7704] __sys_sendmsg+0xcd/0x170 [19070.373705][ T7704] do_syscall_64+0xc6/0x1e0 [19070.373705][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19070.373705][ T7704] [19080.380845][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19080.381388][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19080.381388][ T7704] netdev_get_by_index+0x5e/0x80 [19080.381388][ T7704] fib6_nh_init+0x3d8/0x15b0 [19080.381388][ T7704] ip6_route_info_create+0xf18/0x17d0 [19080.381388][ T7704] ip6_route_add+0x1c/0x140 [19080.381388][ T7704] addrconf_prefix_route+0x2a6/0x430 [19080.381388][ T7704] inet6_addr_add+0x4f8/0xa40 [19080.381388][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19080.381388][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19080.381388][ T7704] netlink_rcv_skb+0x130/0x360 [19080.381388][ T7704] netlink_unicast+0x449/0x710 [19080.381388][ T7704] netlink_sendmsg+0x723/0xbe0 [19080.381388][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19080.381388][ T7704] ___sys_sendmsg+0xee/0x170 [19080.381388][ T7704] __sys_sendmsg+0xcd/0x170 [19080.381388][ T7704] do_syscall_64+0xc6/0x1e0 [19080.381388][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19080.381388][ T7704] [19080.383707][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19080.383707][ T7704] netdev_get_by_index+0x5e/0x80 [19080.383707][ T7704] fib6_nh_init+0x3d8/0x15b0 [19080.383707][ T7704] ip6_route_info_create+0xf18/0x17d0 [19080.383707][ T7704] addrconf_f6i_alloc+0x315/0x560 [19080.383707][ T7704] ipv6_add_addr+0x411/0x2000 [19080.383707][ T7704] inet6_addr_add+0x30e/0xa40 [19080.383707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19080.383707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19080.383707][ T7704] netlink_rcv_skb+0x130/0x360 [19080.383707][ T7704] netlink_unicast+0x449/0x710 [19080.383707][ T7704] netlink_sendmsg+0x723/0xbe0 [19080.383707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19080.383707][ T7704] ___sys_sendmsg+0xee/0x170 [19080.383707][ T7704] __sys_sendmsg+0xcd/0x170 [19080.383707][ T7704] do_syscall_64+0xc6/0x1e0 [19080.383707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19080.383707][ T7704] [19080.385927][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19080.385927][ T7704] netdev_get_by_index+0x5e/0x80 [19080.385927][ T7704] fib6_nh_init+0x3d8/0x15b0 [19080.385927][ T7704] ip6_route_info_create+0xf18/0x17d0 [19080.385927][ T7704] ip6_route_add+0x1c/0x140 [19080.385927][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19080.385927][ T7704] addrconf_add_dev+0xe2/0x170 [19080.385927][ T7704] inet6_addr_add+0x12f/0xa40 [19080.385927][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19080.385927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19080.385927][ T7704] netlink_rcv_skb+0x130/0x360 [19080.385927][ T7704] netlink_unicast+0x449/0x710 [19080.385927][ T7704] netlink_sendmsg+0x723/0xbe0 [19080.385927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19080.385927][ T7704] ___sys_sendmsg+0xee/0x170 [19080.385927][ T7704] __sys_sendmsg+0xcd/0x170 [19080.385927][ T7704] do_syscall_64+0xc6/0x1e0 [19080.385927][ T7704] [19080.388108][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19080.388108][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19080.388108][ T7704] ipv6_find_idev+0x102/0x170 [19080.388108][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19080.388108][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19080.388108][ T7704] netlink_rcv_skb+0x130/0x360 [19080.388108][ T7704] netlink_unicast+0x449/0x710 [19080.388108][ T7704] netlink_sendmsg+0x723/0xbe0 [19080.388108][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19080.388108][ T7704] ___sys_sendmsg+0xee/0x170 [19080.388108][ T7704] __sys_sendmsg+0xcd/0x170 [19080.388108][ T7704] do_syscall_64+0xc6/0x1e0 [19080.388108][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19080.388108][ T7704] [19080.389812][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19080.389812][ T7704] neigh_parms_alloc+0x1e5/0x510 [19080.389812][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19080.389812][ T7704] ipv6_find_idev+0x102/0x170 [19080.389812][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19080.389812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19080.389812][ T7704] netlink_rcv_skb+0x130/0x360 [19080.389812][ T7704] netlink_unicast+0x449/0x710 [19080.389812][ T7704] netlink_sendmsg+0x723/0xbe0 [19080.389812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19080.389812][ T7704] ___sys_sendmsg+0xee/0x170 [19080.389812][ T7704] __sys_sendmsg+0xcd/0x170 [19080.389812][ T7704] do_syscall_64+0xc6/0x1e0 [19080.389812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19080.389812][ T7704] [19090.420895][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19090.421712][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19090.421712][ T7704] netdev_get_by_index+0x5e/0x80 [19090.421712][ T7704] fib6_nh_init+0x3d8/0x15b0 [19090.421712][ T7704] ip6_route_info_create+0xf18/0x17d0 [19090.421712][ T7704] ip6_route_add+0x1c/0x140 [19090.421712][ T7704] addrconf_prefix_route+0x2a6/0x430 [19090.421712][ T7704] inet6_addr_add+0x4f8/0xa40 [19090.421712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19090.421712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19090.421712][ T7704] netlink_rcv_skb+0x130/0x360 [19090.421712][ T7704] netlink_unicast+0x449/0x710 [19090.421712][ T7704] netlink_sendmsg+0x723/0xbe0 [19090.421712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19090.421712][ T7704] ___sys_sendmsg+0xee/0x170 [19090.421712][ T7704] __sys_sendmsg+0xcd/0x170 [19090.421712][ T7704] do_syscall_64+0xc6/0x1e0 [19090.421712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19090.421712][ T7704] [19090.438742][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19090.438742][ T7704] netdev_get_by_index+0x5e/0x80 [19090.438742][ T7704] fib6_nh_init+0x3d8/0x15b0 [19090.438742][ T7704] ip6_route_info_create+0xf18/0x17d0 [19090.438742][ T7704] addrconf_f6i_alloc+0x315/0x560 [19090.438742][ T7704] ipv6_add_addr+0x411/0x2000 [19090.438742][ T7704] inet6_addr_add+0x30e/0xa40 [19090.438742][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19090.438742][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19090.438742][ T7704] netlink_rcv_skb+0x130/0x360 [19090.438742][ T7704] netlink_unicast+0x449/0x710 [19090.438742][ T7704] netlink_sendmsg+0x723/0xbe0 [19090.438742][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19090.438742][ T7704] ___sys_sendmsg+0xee/0x170 [19090.438742][ T7704] __sys_sendmsg+0xcd/0x170 [19090.438742][ T7704] do_syscall_64+0xc6/0x1e0 [19090.438742][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19090.438742][ T7704] [19090.446652][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19090.446652][ T7704] netdev_get_by_index+0x5e/0x80 [19090.446652][ T7704] fib6_nh_init+0x3d8/0x15b0 [19090.446652][ T7704] ip6_route_info_create+0xf18/0x17d0 [19090.446652][ T7704] ip6_route_add+0x1c/0x140 [19090.446652][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19090.446652][ T7704] addrconf_add_dev+0xe2/0x170 [19090.446652][ T7704] inet6_addr_add+0x12f/0xa40 [19090.446652][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19090.446652][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19090.446652][ T7704] netlink_rcv_skb+0x130/0x360 [19090.446652][ T7704] netlink_unicast+0x449/0x710 [19090.446652][ T7704] netlink_sendmsg+0x723/0xbe0 [19090.446652][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19090.446652][ T7704] ___sys_sendmsg+0xee/0x170 [19090.446652][ T7704] __sys_sendmsg+0xcd/0x170 [19090.446652][ T7704] do_syscall_64+0xc6/0x1e0 [19090.446652][ T7704] [19090.453381][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19090.453381][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19090.453381][ T7704] ipv6_find_idev+0x102/0x170 [19090.453381][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19090.453381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19090.453381][ T7704] netlink_rcv_skb+0x130/0x360 [19090.453381][ T7704] netlink_unicast+0x449/0x710 [19090.453381][ T7704] netlink_sendmsg+0x723/0xbe0 [19090.453381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19090.453381][ T7704] ___sys_sendmsg+0xee/0x170 [19090.453381][ T7704] __sys_sendmsg+0xcd/0x170 [19090.453381][ T7704] do_syscall_64+0xc6/0x1e0 [19090.453381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19090.453381][ T7704] [19090.458745][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19090.458745][ T7704] neigh_parms_alloc+0x1e5/0x510 [19090.458745][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19090.458745][ T7704] ipv6_find_idev+0x102/0x170 [19090.458745][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19090.458745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19090.458745][ T7704] netlink_rcv_skb+0x130/0x360 [19090.458745][ T7704] netlink_unicast+0x449/0x710 [19090.458745][ T7704] netlink_sendmsg+0x723/0xbe0 [19090.458745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19090.458745][ T7704] ___sys_sendmsg+0xee/0x170 [19090.458745][ T7704] __sys_sendmsg+0xcd/0x170 [19090.458745][ T7704] do_syscall_64+0xc6/0x1e0 [19090.458745][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19090.458745][ T7704] [19100.533012][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19100.563953][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19100.563953][ T7704] netdev_get_by_index+0x5e/0x80 [19100.563953][ T7704] fib6_nh_init+0x3d8/0x15b0 [19100.563953][ T7704] ip6_route_info_create+0xf18/0x17d0 [19100.563953][ T7704] ip6_route_add+0x1c/0x140 [19100.563953][ T7704] addrconf_prefix_route+0x2a6/0x430 [19100.563953][ T7704] inet6_addr_add+0x4f8/0xa40 [19100.563953][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19100.563953][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19100.563953][ T7704] netlink_rcv_skb+0x130/0x360 [19100.563953][ T7704] netlink_unicast+0x449/0x710 [19100.563953][ T7704] netlink_sendmsg+0x723/0xbe0 [19100.563953][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19100.563953][ T7704] ___sys_sendmsg+0xee/0x170 [19100.563953][ T7704] __sys_sendmsg+0xcd/0x170 [19100.563953][ T7704] do_syscall_64+0xc6/0x1e0 [19100.563953][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19100.563953][ T7704] [19100.571429][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19100.571429][ T7704] netdev_get_by_index+0x5e/0x80 [19100.571429][ T7704] fib6_nh_init+0x3d8/0x15b0 [19100.571429][ T7704] ip6_route_info_create+0xf18/0x17d0 [19100.571429][ T7704] addrconf_f6i_alloc+0x315/0x560 [19100.571429][ T7704] ipv6_add_addr+0x411/0x2000 [19100.571429][ T7704] inet6_addr_add+0x30e/0xa40 [19100.571429][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19100.571429][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19100.571429][ T7704] netlink_rcv_skb+0x130/0x360 [19100.571429][ T7704] netlink_unicast+0x449/0x710 [19100.571429][ T7704] netlink_sendmsg+0x723/0xbe0 [19100.571429][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19100.571429][ T7704] ___sys_sendmsg+0xee/0x170 [19100.571429][ T7704] __sys_sendmsg+0xcd/0x170 [19100.571429][ T7704] do_syscall_64+0xc6/0x1e0 [19100.571429][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19100.571429][ T7704] [19100.578149][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19100.578149][ T7704] netdev_get_by_index+0x5e/0x80 [19100.578149][ T7704] fib6_nh_init+0x3d8/0x15b0 [19100.578149][ T7704] ip6_route_info_create+0xf18/0x17d0 [19100.578149][ T7704] ip6_route_add+0x1c/0x140 [19100.578149][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19100.578149][ T7704] addrconf_add_dev+0xe2/0x170 [19100.578149][ T7704] inet6_addr_add+0x12f/0xa40 [19100.578149][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19100.578149][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19100.578149][ T7704] netlink_rcv_skb+0x130/0x360 [19100.578149][ T7704] netlink_unicast+0x449/0x710 [19100.578149][ T7704] netlink_sendmsg+0x723/0xbe0 [19100.578149][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19100.578149][ T7704] ___sys_sendmsg+0xee/0x170 [19100.578149][ T7704] __sys_sendmsg+0xcd/0x170 [19100.578149][ T7704] do_syscall_64+0xc6/0x1e0 [19100.578149][ T7704] [19100.584616][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19100.584616][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19100.584616][ T7704] ipv6_find_idev+0x102/0x170 [19100.584616][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19100.584616][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19100.584616][ T7704] netlink_rcv_skb+0x130/0x360 [19100.584616][ T7704] netlink_unicast+0x449/0x710 [19100.584616][ T7704] netlink_sendmsg+0x723/0xbe0 [19100.584616][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19100.584616][ T7704] ___sys_sendmsg+0xee/0x170 [19100.584616][ T7704] __sys_sendmsg+0xcd/0x170 [19100.584616][ T7704] do_syscall_64+0xc6/0x1e0 [19100.584616][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19100.584616][ T7704] [19100.589544][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19100.589544][ T7704] neigh_parms_alloc+0x1e5/0x510 [19100.589544][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19100.589544][ T7704] ipv6_find_idev+0x102/0x170 [19100.589544][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19100.589544][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19100.589544][ T7704] netlink_rcv_skb+0x130/0x360 [19100.589544][ T7704] netlink_unicast+0x449/0x710 [19100.589544][ T7704] netlink_sendmsg+0x723/0xbe0 [19100.589544][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19100.589544][ T7704] ___sys_sendmsg+0xee/0x170 [19100.589544][ T7704] __sys_sendmsg+0xcd/0x170 [19100.589544][ T7704] do_syscall_64+0xc6/0x1e0 [19100.589544][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19100.589544][ T7704] [19110.644919][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19110.645777][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19110.645777][ T7704] netdev_get_by_index+0x5e/0x80 [19110.645777][ T7704] fib6_nh_init+0x3d8/0x15b0 [19110.645777][ T7704] ip6_route_info_create+0xf18/0x17d0 [19110.645777][ T7704] ip6_route_add+0x1c/0x140 [19110.645777][ T7704] addrconf_prefix_route+0x2a6/0x430 [19110.645777][ T7704] inet6_addr_add+0x4f8/0xa40 [19110.645777][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19110.645777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19110.645777][ T7704] netlink_rcv_skb+0x130/0x360 [19110.645777][ T7704] netlink_unicast+0x449/0x710 [19110.645777][ T7704] netlink_sendmsg+0x723/0xbe0 [19110.645777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19110.645777][ T7704] ___sys_sendmsg+0xee/0x170 [19110.645777][ T7704] __sys_sendmsg+0xcd/0x170 [19110.645777][ T7704] do_syscall_64+0xc6/0x1e0 [19110.645777][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19110.645777][ T7704] [19110.649974][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19110.649974][ T7704] netdev_get_by_index+0x5e/0x80 [19110.649974][ T7704] fib6_nh_init+0x3d8/0x15b0 [19110.649974][ T7704] ip6_route_info_create+0xf18/0x17d0 [19110.649974][ T7704] addrconf_f6i_alloc+0x315/0x560 [19110.649974][ T7704] ipv6_add_addr+0x411/0x2000 [19110.649974][ T7704] inet6_addr_add+0x30e/0xa40 [19110.649974][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19110.649974][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19110.649974][ T7704] netlink_rcv_skb+0x130/0x360 [19110.649974][ T7704] netlink_unicast+0x449/0x710 [19110.649974][ T7704] netlink_sendmsg+0x723/0xbe0 [19110.649974][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19110.649974][ T7704] ___sys_sendmsg+0xee/0x170 [19110.649974][ T7704] __sys_sendmsg+0xcd/0x170 [19110.649974][ T7704] do_syscall_64+0xc6/0x1e0 [19110.649974][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19110.649974][ T7704] [19110.674059][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19110.674059][ T7704] netdev_get_by_index+0x5e/0x80 [19110.674059][ T7704] fib6_nh_init+0x3d8/0x15b0 [19110.674059][ T7704] ip6_route_info_create+0xf18/0x17d0 [19110.674059][ T7704] ip6_route_add+0x1c/0x140 [19110.674059][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19110.674059][ T7704] addrconf_add_dev+0xe2/0x170 [19110.674059][ T7704] inet6_addr_add+0x12f/0xa40 [19110.674059][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19110.674059][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19110.674059][ T7704] netlink_rcv_skb+0x130/0x360 [19110.674059][ T7704] netlink_unicast+0x449/0x710 [19110.674059][ T7704] netlink_sendmsg+0x723/0xbe0 [19110.674059][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19110.674059][ T7704] ___sys_sendmsg+0xee/0x170 [19110.674059][ T7704] __sys_sendmsg+0xcd/0x170 [19110.674059][ T7704] do_syscall_64+0xc6/0x1e0 [19110.674059][ T7704] [19110.678319][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19110.678319][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19110.678319][ T7704] ipv6_find_idev+0x102/0x170 [19110.678319][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19110.678319][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19110.678319][ T7704] netlink_rcv_skb+0x130/0x360 [19110.678319][ T7704] netlink_unicast+0x449/0x710 [19110.678319][ T7704] netlink_sendmsg+0x723/0xbe0 [19110.678319][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19110.678319][ T7704] ___sys_sendmsg+0xee/0x170 [19110.678319][ T7704] __sys_sendmsg+0xcd/0x170 [19110.678319][ T7704] do_syscall_64+0xc6/0x1e0 [19110.678319][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19110.678319][ T7704] [19110.682201][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19110.682201][ T7704] neigh_parms_alloc+0x1e5/0x510 [19110.682201][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19110.682201][ T7704] ipv6_find_idev+0x102/0x170 [19110.682201][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19110.682201][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19110.682201][ T7704] netlink_rcv_skb+0x130/0x360 [19110.682201][ T7704] netlink_unicast+0x449/0x710 [19110.682201][ T7704] netlink_sendmsg+0x723/0xbe0 [19110.682201][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19110.682201][ T7704] ___sys_sendmsg+0xee/0x170 [19110.682201][ T7704] __sys_sendmsg+0xcd/0x170 [19110.682201][ T7704] do_syscall_64+0xc6/0x1e0 [19110.682201][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19110.682201][ T7704] [19120.924902][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19120.925878][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19120.925878][ T7704] netdev_get_by_index+0x5e/0x80 [19120.925878][ T7704] fib6_nh_init+0x3d8/0x15b0 [19120.925878][ T7704] ip6_route_info_create+0xf18/0x17d0 [19120.925878][ T7704] ip6_route_add+0x1c/0x140 [19120.925878][ T7704] addrconf_prefix_route+0x2a6/0x430 [19120.925878][ T7704] inet6_addr_add+0x4f8/0xa40 [19120.925878][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19120.925878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19120.925878][ T7704] netlink_rcv_skb+0x130/0x360 [19120.925878][ T7704] netlink_unicast+0x449/0x710 [19120.925878][ T7704] netlink_sendmsg+0x723/0xbe0 [19120.925878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19120.925878][ T7704] ___sys_sendmsg+0xee/0x170 [19120.925878][ T7704] __sys_sendmsg+0xcd/0x170 [19120.925878][ T7704] do_syscall_64+0xc6/0x1e0 [19120.925878][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19120.925878][ T7704] [19120.928476][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19120.928476][ T7704] netdev_get_by_index+0x5e/0x80 [19120.928476][ T7704] fib6_nh_init+0x3d8/0x15b0 [19120.928476][ T7704] ip6_route_info_create+0xf18/0x17d0 [19120.928476][ T7704] addrconf_f6i_alloc+0x315/0x560 [19120.928476][ T7704] ipv6_add_addr+0x411/0x2000 [19120.928476][ T7704] inet6_addr_add+0x30e/0xa40 [19120.928476][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19120.928476][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19120.928476][ T7704] netlink_rcv_skb+0x130/0x360 [19120.928476][ T7704] netlink_unicast+0x449/0x710 [19120.928476][ T7704] netlink_sendmsg+0x723/0xbe0 [19120.928476][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19120.928476][ T7704] ___sys_sendmsg+0xee/0x170 [19120.928476][ T7704] __sys_sendmsg+0xcd/0x170 [19120.928476][ T7704] do_syscall_64+0xc6/0x1e0 [19120.928476][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19120.928476][ T7704] [19120.931189][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19120.931189][ T7704] netdev_get_by_index+0x5e/0x80 [19120.931189][ T7704] fib6_nh_init+0x3d8/0x15b0 [19120.931189][ T7704] ip6_route_info_create+0xf18/0x17d0 [19120.931189][ T7704] ip6_route_add+0x1c/0x140 [19120.931189][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19120.931189][ T7704] addrconf_add_dev+0xe2/0x170 [19120.931189][ T7704] inet6_addr_add+0x12f/0xa40 [19120.931189][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19120.931189][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19120.931189][ T7704] netlink_rcv_skb+0x130/0x360 [19120.931189][ T7704] netlink_unicast+0x449/0x710 [19120.931189][ T7704] netlink_sendmsg+0x723/0xbe0 [19120.931189][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19120.931189][ T7704] ___sys_sendmsg+0xee/0x170 [19120.931189][ T7704] __sys_sendmsg+0xcd/0x170 [19120.931189][ T7704] do_syscall_64+0xc6/0x1e0 [19120.931189][ T7704] [19120.933901][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19120.933901][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19120.933901][ T7704] ipv6_find_idev+0x102/0x170 [19120.933901][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19120.933901][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19120.933901][ T7704] netlink_rcv_skb+0x130/0x360 [19120.933901][ T7704] netlink_unicast+0x449/0x710 [19120.933901][ T7704] netlink_sendmsg+0x723/0xbe0 [19120.933901][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19120.933901][ T7704] ___sys_sendmsg+0xee/0x170 [19120.933901][ T7704] __sys_sendmsg+0xcd/0x170 [19120.933901][ T7704] do_syscall_64+0xc6/0x1e0 [19120.933901][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19120.933901][ T7704] [19120.935993][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19120.935993][ T7704] neigh_parms_alloc+0x1e5/0x510 [19120.935993][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19120.935993][ T7704] ipv6_find_idev+0x102/0x170 [19120.935993][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19120.935993][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19120.935993][ T7704] netlink_rcv_skb+0x130/0x360 [19120.935993][ T7704] netlink_unicast+0x449/0x710 [19120.935993][ T7704] netlink_sendmsg+0x723/0xbe0 [19120.935993][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19120.935993][ T7704] ___sys_sendmsg+0xee/0x170 [19120.935993][ T7704] __sys_sendmsg+0xcd/0x170 [19120.935993][ T7704] do_syscall_64+0xc6/0x1e0 [19120.935993][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19120.935993][ T7704] [19130.940901][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19130.941887][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19130.941887][ T7704] netdev_get_by_index+0x5e/0x80 [19130.941887][ T7704] fib6_nh_init+0x3d8/0x15b0 [19130.941887][ T7704] ip6_route_info_create+0xf18/0x17d0 [19130.941887][ T7704] ip6_route_add+0x1c/0x140 [19130.941887][ T7704] addrconf_prefix_route+0x2a6/0x430 [19130.941887][ T7704] inet6_addr_add+0x4f8/0xa40 [19130.941887][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19130.941887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19130.941887][ T7704] netlink_rcv_skb+0x130/0x360 [19130.941887][ T7704] netlink_unicast+0x449/0x710 [19130.941887][ T7704] netlink_sendmsg+0x723/0xbe0 [19130.941887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19130.941887][ T7704] ___sys_sendmsg+0xee/0x170 [19130.941887][ T7704] __sys_sendmsg+0xcd/0x170 [19130.941887][ T7704] do_syscall_64+0xc6/0x1e0 [19130.941887][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19130.941887][ T7704] [19130.944487][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19130.944487][ T7704] netdev_get_by_index+0x5e/0x80 [19130.944487][ T7704] fib6_nh_init+0x3d8/0x15b0 [19130.944487][ T7704] ip6_route_info_create+0xf18/0x17d0 [19130.944487][ T7704] addrconf_f6i_alloc+0x315/0x560 [19130.944487][ T7704] ipv6_add_addr+0x411/0x2000 [19130.944487][ T7704] inet6_addr_add+0x30e/0xa40 [19130.944487][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19130.944487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19130.944487][ T7704] netlink_rcv_skb+0x130/0x360 [19130.944487][ T7704] netlink_unicast+0x449/0x710 [19130.944487][ T7704] netlink_sendmsg+0x723/0xbe0 [19130.944487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19130.944487][ T7704] ___sys_sendmsg+0xee/0x170 [19130.944487][ T7704] __sys_sendmsg+0xcd/0x170 [19130.944487][ T7704] do_syscall_64+0xc6/0x1e0 [19130.944487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19130.944487][ T7704] [19130.946976][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19130.946976][ T7704] netdev_get_by_index+0x5e/0x80 [19130.946976][ T7704] fib6_nh_init+0x3d8/0x15b0 [19130.946976][ T7704] ip6_route_info_create+0xf18/0x17d0 [19130.946976][ T7704] ip6_route_add+0x1c/0x140 [19130.946976][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19130.946976][ T7704] addrconf_add_dev+0xe2/0x170 [19130.946976][ T7704] inet6_addr_add+0x12f/0xa40 [19130.946976][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19130.946976][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19130.946976][ T7704] netlink_rcv_skb+0x130/0x360 [19130.946976][ T7704] netlink_unicast+0x449/0x710 [19130.946976][ T7704] netlink_sendmsg+0x723/0xbe0 [19130.946976][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19130.946976][ T7704] ___sys_sendmsg+0xee/0x170 [19130.946976][ T7704] __sys_sendmsg+0xcd/0x170 [19130.946976][ T7704] do_syscall_64+0xc6/0x1e0 [19130.946976][ T7704] [19130.949543][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19130.949543][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19130.949543][ T7704] ipv6_find_idev+0x102/0x170 [19130.949543][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19130.949543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19130.949543][ T7704] netlink_rcv_skb+0x130/0x360 [19130.949543][ T7704] netlink_unicast+0x449/0x710 [19130.949543][ T7704] netlink_sendmsg+0x723/0xbe0 [19130.949543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19130.949543][ T7704] ___sys_sendmsg+0xee/0x170 [19130.949543][ T7704] __sys_sendmsg+0xcd/0x170 [19130.949543][ T7704] do_syscall_64+0xc6/0x1e0 [19130.949543][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19130.949543][ T7704] [19130.951620][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19130.951620][ T7704] neigh_parms_alloc+0x1e5/0x510 [19130.951620][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19130.951620][ T7704] ipv6_find_idev+0x102/0x170 [19130.951620][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19130.951620][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19130.951620][ T7704] netlink_rcv_skb+0x130/0x360 [19130.951620][ T7704] netlink_unicast+0x449/0x710 [19130.951620][ T7704] netlink_sendmsg+0x723/0xbe0 [19130.951620][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19130.951620][ T7704] ___sys_sendmsg+0xee/0x170 [19130.951620][ T7704] __sys_sendmsg+0xcd/0x170 [19130.951620][ T7704] do_syscall_64+0xc6/0x1e0 [19130.951620][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19130.951620][ T7704] [19141.140846][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19141.141409][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19141.141409][ T7704] netdev_get_by_index+0x5e/0x80 [19141.141409][ T7704] fib6_nh_init+0x3d8/0x15b0 [19141.141409][ T7704] ip6_route_info_create+0xf18/0x17d0 [19141.141409][ T7704] ip6_route_add+0x1c/0x140 [19141.141409][ T7704] addrconf_prefix_route+0x2a6/0x430 [19141.141409][ T7704] inet6_addr_add+0x4f8/0xa40 [19141.141409][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19141.141409][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19141.141409][ T7704] netlink_rcv_skb+0x130/0x360 [19141.141409][ T7704] netlink_unicast+0x449/0x710 [19141.141409][ T7704] netlink_sendmsg+0x723/0xbe0 [19141.141409][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19141.141409][ T7704] ___sys_sendmsg+0xee/0x170 [19141.141409][ T7704] __sys_sendmsg+0xcd/0x170 [19141.141409][ T7704] do_syscall_64+0xc6/0x1e0 [19141.141409][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19141.141409][ T7704] [19141.144039][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19141.144039][ T7704] netdev_get_by_index+0x5e/0x80 [19141.144039][ T7704] fib6_nh_init+0x3d8/0x15b0 [19141.144039][ T7704] ip6_route_info_create+0xf18/0x17d0 [19141.144039][ T7704] addrconf_f6i_alloc+0x315/0x560 [19141.144039][ T7704] ipv6_add_addr+0x411/0x2000 [19141.144039][ T7704] inet6_addr_add+0x30e/0xa40 [19141.144039][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19141.144039][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19141.144039][ T7704] netlink_rcv_skb+0x130/0x360 [19141.144039][ T7704] netlink_unicast+0x449/0x710 [19141.144039][ T7704] netlink_sendmsg+0x723/0xbe0 [19141.144039][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19141.144039][ T7704] ___sys_sendmsg+0xee/0x170 [19141.144039][ T7704] __sys_sendmsg+0xcd/0x170 [19141.144039][ T7704] do_syscall_64+0xc6/0x1e0 [19141.144039][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19141.144039][ T7704] [19141.146700][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19141.146700][ T7704] netdev_get_by_index+0x5e/0x80 [19141.146700][ T7704] fib6_nh_init+0x3d8/0x15b0 [19141.146700][ T7704] ip6_route_info_create+0xf18/0x17d0 [19141.146700][ T7704] ip6_route_add+0x1c/0x140 [19141.146700][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19141.146700][ T7704] addrconf_add_dev+0xe2/0x170 [19141.146700][ T7704] inet6_addr_add+0x12f/0xa40 [19141.146700][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19141.146700][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19141.146700][ T7704] netlink_rcv_skb+0x130/0x360 [19141.146700][ T7704] netlink_unicast+0x449/0x710 [19141.146700][ T7704] netlink_sendmsg+0x723/0xbe0 [19141.146700][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19141.146700][ T7704] ___sys_sendmsg+0xee/0x170 [19141.146700][ T7704] __sys_sendmsg+0xcd/0x170 [19141.146700][ T7704] do_syscall_64+0xc6/0x1e0 [19141.146700][ T7704] [19141.149336][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19141.149336][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19141.149336][ T7704] ipv6_find_idev+0x102/0x170 [19141.149336][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19141.149336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19141.149336][ T7704] netlink_rcv_skb+0x130/0x360 [19141.149336][ T7704] netlink_unicast+0x449/0x710 [19141.149336][ T7704] netlink_sendmsg+0x723/0xbe0 [19141.149336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19141.149336][ T7704] ___sys_sendmsg+0xee/0x170 [19141.149336][ T7704] __sys_sendmsg+0xcd/0x170 [19141.149336][ T7704] do_syscall_64+0xc6/0x1e0 [19141.149336][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19141.149336][ T7704] [19141.151358][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19141.151358][ T7704] neigh_parms_alloc+0x1e5/0x510 [19141.151358][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19141.151358][ T7704] ipv6_find_idev+0x102/0x170 [19141.151358][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19141.151358][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19141.151358][ T7704] netlink_rcv_skb+0x130/0x360 [19141.151358][ T7704] netlink_unicast+0x449/0x710 [19141.151358][ T7704] netlink_sendmsg+0x723/0xbe0 [19141.151358][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19141.151358][ T7704] ___sys_sendmsg+0xee/0x170 [19141.151358][ T7704] __sys_sendmsg+0xcd/0x170 [19141.151358][ T7704] do_syscall_64+0xc6/0x1e0 [19141.151358][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19141.151358][ T7704] [19151.388900][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19151.390112][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19151.390112][ T7704] netdev_get_by_index+0x5e/0x80 [19151.390112][ T7704] fib6_nh_init+0x3d8/0x15b0 [19151.390112][ T7704] ip6_route_info_create+0xf18/0x17d0 [19151.390112][ T7704] ip6_route_add+0x1c/0x140 [19151.390112][ T7704] addrconf_prefix_route+0x2a6/0x430 [19151.390112][ T7704] inet6_addr_add+0x4f8/0xa40 [19151.390112][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19151.390112][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19151.390112][ T7704] netlink_rcv_skb+0x130/0x360 [19151.390112][ T7704] netlink_unicast+0x449/0x710 [19151.390112][ T7704] netlink_sendmsg+0x723/0xbe0 [19151.390112][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19151.390112][ T7704] ___sys_sendmsg+0xee/0x170 [19151.390112][ T7704] __sys_sendmsg+0xcd/0x170 [19151.390112][ T7704] do_syscall_64+0xc6/0x1e0 [19151.390112][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19151.390112][ T7704] [19151.392701][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19151.392701][ T7704] netdev_get_by_index+0x5e/0x80 [19151.392701][ T7704] fib6_nh_init+0x3d8/0x15b0 [19151.392701][ T7704] ip6_route_info_create+0xf18/0x17d0 [19151.392701][ T7704] addrconf_f6i_alloc+0x315/0x560 [19151.392701][ T7704] ipv6_add_addr+0x411/0x2000 [19151.392701][ T7704] inet6_addr_add+0x30e/0xa40 [19151.392701][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19151.392701][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19151.392701][ T7704] netlink_rcv_skb+0x130/0x360 [19151.392701][ T7704] netlink_unicast+0x449/0x710 [19151.392701][ T7704] netlink_sendmsg+0x723/0xbe0 [19151.392701][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19151.392701][ T7704] ___sys_sendmsg+0xee/0x170 [19151.392701][ T7704] __sys_sendmsg+0xcd/0x170 [19151.392701][ T7704] do_syscall_64+0xc6/0x1e0 [19151.392701][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19151.392701][ T7704] [19151.395477][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19151.395477][ T7704] netdev_get_by_index+0x5e/0x80 [19151.395477][ T7704] fib6_nh_init+0x3d8/0x15b0 [19151.395477][ T7704] ip6_route_info_create+0xf18/0x17d0 [19151.395477][ T7704] ip6_route_add+0x1c/0x140 [19151.395477][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19151.395477][ T7704] addrconf_add_dev+0xe2/0x170 [19151.395477][ T7704] inet6_addr_add+0x12f/0xa40 [19151.395477][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19151.395477][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19151.395477][ T7704] netlink_rcv_skb+0x130/0x360 [19151.395477][ T7704] netlink_unicast+0x449/0x710 [19151.395477][ T7704] netlink_sendmsg+0x723/0xbe0 [19151.395477][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19151.395477][ T7704] ___sys_sendmsg+0xee/0x170 [19151.395477][ T7704] __sys_sendmsg+0xcd/0x170 [19151.395477][ T7704] do_syscall_64+0xc6/0x1e0 [19151.395477][ T7704] [19151.398129][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19151.398129][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19151.398129][ T7704] ipv6_find_idev+0x102/0x170 [19151.398129][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19151.398129][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19151.398129][ T7704] netlink_rcv_skb+0x130/0x360 [19151.398129][ T7704] netlink_unicast+0x449/0x710 [19151.398129][ T7704] netlink_sendmsg+0x723/0xbe0 [19151.398129][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19151.398129][ T7704] ___sys_sendmsg+0xee/0x170 [19151.398129][ T7704] __sys_sendmsg+0xcd/0x170 [19151.398129][ T7704] do_syscall_64+0xc6/0x1e0 [19151.398129][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19151.398129][ T7704] [19151.400204][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19151.400204][ T7704] neigh_parms_alloc+0x1e5/0x510 [19151.400204][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19151.400204][ T7704] ipv6_find_idev+0x102/0x170 [19151.400204][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19151.400204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19151.400204][ T7704] netlink_rcv_skb+0x130/0x360 [19151.400204][ T7704] netlink_unicast+0x449/0x710 [19151.400204][ T7704] netlink_sendmsg+0x723/0xbe0 [19151.400204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19151.400204][ T7704] ___sys_sendmsg+0xee/0x170 [19151.400204][ T7704] __sys_sendmsg+0xcd/0x170 [19151.400204][ T7704] do_syscall_64+0xc6/0x1e0 [19151.400204][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19151.400204][ T7704] [19161.548739][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19161.549176][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19161.549176][ T7704] netdev_get_by_index+0x5e/0x80 [19161.549176][ T7704] fib6_nh_init+0x3d8/0x15b0 [19161.549176][ T7704] ip6_route_info_create+0xf18/0x17d0 [19161.549176][ T7704] ip6_route_add+0x1c/0x140 [19161.549176][ T7704] addrconf_prefix_route+0x2a6/0x430 [19161.549176][ T7704] inet6_addr_add+0x4f8/0xa40 [19161.549176][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19161.549176][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19161.549176][ T7704] netlink_rcv_skb+0x130/0x360 [19161.549176][ T7704] netlink_unicast+0x449/0x710 [19161.549176][ T7704] netlink_sendmsg+0x723/0xbe0 [19161.549176][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19161.549176][ T7704] ___sys_sendmsg+0xee/0x170 [19161.549176][ T7704] __sys_sendmsg+0xcd/0x170 [19161.549176][ T7704] do_syscall_64+0xc6/0x1e0 [19161.549176][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19161.549176][ T7704] [19161.551413][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19161.551413][ T7704] netdev_get_by_index+0x5e/0x80 [19161.551413][ T7704] fib6_nh_init+0x3d8/0x15b0 [19161.551413][ T7704] ip6_route_info_create+0xf18/0x17d0 [19161.551413][ T7704] addrconf_f6i_alloc+0x315/0x560 [19161.551413][ T7704] ipv6_add_addr+0x411/0x2000 [19161.551413][ T7704] inet6_addr_add+0x30e/0xa40 [19161.551413][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19161.551413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19161.551413][ T7704] netlink_rcv_skb+0x130/0x360 [19161.551413][ T7704] netlink_unicast+0x449/0x710 [19161.551413][ T7704] netlink_sendmsg+0x723/0xbe0 [19161.551413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19161.551413][ T7704] ___sys_sendmsg+0xee/0x170 [19161.551413][ T7704] __sys_sendmsg+0xcd/0x170 [19161.551413][ T7704] do_syscall_64+0xc6/0x1e0 [19161.551413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19161.551413][ T7704] [19161.553634][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19161.553634][ T7704] netdev_get_by_index+0x5e/0x80 [19161.553634][ T7704] fib6_nh_init+0x3d8/0x15b0 [19161.553634][ T7704] ip6_route_info_create+0xf18/0x17d0 [19161.553634][ T7704] ip6_route_add+0x1c/0x140 [19161.553634][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19161.553634][ T7704] addrconf_add_dev+0xe2/0x170 [19161.553634][ T7704] inet6_addr_add+0x12f/0xa40 [19161.553634][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19161.553634][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19161.553634][ T7704] netlink_rcv_skb+0x130/0x360 [19161.553634][ T7704] netlink_unicast+0x449/0x710 [19161.553634][ T7704] netlink_sendmsg+0x723/0xbe0 [19161.553634][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19161.553634][ T7704] ___sys_sendmsg+0xee/0x170 [19161.553634][ T7704] __sys_sendmsg+0xcd/0x170 [19161.553634][ T7704] do_syscall_64+0xc6/0x1e0 [19161.553634][ T7704] [19161.555811][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19161.555811][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19161.555811][ T7704] ipv6_find_idev+0x102/0x170 [19161.555811][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19161.555811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19161.555811][ T7704] netlink_rcv_skb+0x130/0x360 [19161.555811][ T7704] netlink_unicast+0x449/0x710 [19161.555811][ T7704] netlink_sendmsg+0x723/0xbe0 [19161.555811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19161.555811][ T7704] ___sys_sendmsg+0xee/0x170 [19161.555811][ T7704] __sys_sendmsg+0xcd/0x170 [19161.555811][ T7704] do_syscall_64+0xc6/0x1e0 [19161.555811][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19161.555811][ T7704] [19161.557538][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19161.557538][ T7704] neigh_parms_alloc+0x1e5/0x510 [19161.557538][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19161.557538][ T7704] ipv6_find_idev+0x102/0x170 [19161.557538][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19161.557538][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19161.557538][ T7704] netlink_rcv_skb+0x130/0x360 [19161.557538][ T7704] netlink_unicast+0x449/0x710 [19161.557538][ T7704] netlink_sendmsg+0x723/0xbe0 [19161.557538][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19161.557538][ T7704] ___sys_sendmsg+0xee/0x170 [19161.557538][ T7704] __sys_sendmsg+0xcd/0x170 [19161.557538][ T7704] do_syscall_64+0xc6/0x1e0 [19161.557538][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19161.557538][ T7704] [19171.628739][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19171.629260][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19171.629260][ T7704] netdev_get_by_index+0x5e/0x80 [19171.629260][ T7704] fib6_nh_init+0x3d8/0x15b0 [19171.629260][ T7704] ip6_route_info_create+0xf18/0x17d0 [19171.629260][ T7704] ip6_route_add+0x1c/0x140 [19171.629260][ T7704] addrconf_prefix_route+0x2a6/0x430 [19171.629260][ T7704] inet6_addr_add+0x4f8/0xa40 [19171.629260][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19171.629260][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19171.629260][ T7704] netlink_rcv_skb+0x130/0x360 [19171.629260][ T7704] netlink_unicast+0x449/0x710 [19171.629260][ T7704] netlink_sendmsg+0x723/0xbe0 [19171.629260][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19171.629260][ T7704] ___sys_sendmsg+0xee/0x170 [19171.629260][ T7704] __sys_sendmsg+0xcd/0x170 [19171.629260][ T7704] do_syscall_64+0xc6/0x1e0 [19171.629260][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19171.629260][ T7704] [19171.631966][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19171.631966][ T7704] netdev_get_by_index+0x5e/0x80 [19171.631966][ T7704] fib6_nh_init+0x3d8/0x15b0 [19171.631966][ T7704] ip6_route_info_create+0xf18/0x17d0 [19171.631966][ T7704] addrconf_f6i_alloc+0x315/0x560 [19171.631966][ T7704] ipv6_add_addr+0x411/0x2000 [19171.631966][ T7704] inet6_addr_add+0x30e/0xa40 [19171.631966][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19171.631966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19171.631966][ T7704] netlink_rcv_skb+0x130/0x360 [19171.631966][ T7704] netlink_unicast+0x449/0x710 [19171.631966][ T7704] netlink_sendmsg+0x723/0xbe0 [19171.631966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19171.631966][ T7704] ___sys_sendmsg+0xee/0x170 [19171.631966][ T7704] __sys_sendmsg+0xcd/0x170 [19171.631966][ T7704] do_syscall_64+0xc6/0x1e0 [19171.631966][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19171.631966][ T7704] [19171.634672][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19171.634672][ T7704] netdev_get_by_index+0x5e/0x80 [19171.634672][ T7704] fib6_nh_init+0x3d8/0x15b0 [19171.634672][ T7704] ip6_route_info_create+0xf18/0x17d0 [19171.634672][ T7704] ip6_route_add+0x1c/0x140 [19171.634672][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19171.634672][ T7704] addrconf_add_dev+0xe2/0x170 [19171.634672][ T7704] inet6_addr_add+0x12f/0xa40 [19171.634672][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19171.634672][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19171.634672][ T7704] netlink_rcv_skb+0x130/0x360 [19171.634672][ T7704] netlink_unicast+0x449/0x710 [19171.634672][ T7704] netlink_sendmsg+0x723/0xbe0 [19171.634672][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19171.634672][ T7704] ___sys_sendmsg+0xee/0x170 [19171.634672][ T7704] __sys_sendmsg+0xcd/0x170 [19171.634672][ T7704] do_syscall_64+0xc6/0x1e0 [19171.634672][ T7704] [19171.637326][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19171.637326][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19171.637326][ T7704] ipv6_find_idev+0x102/0x170 [19171.637326][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19171.637326][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19171.637326][ T7704] netlink_rcv_skb+0x130/0x360 [19171.637326][ T7704] netlink_unicast+0x449/0x710 [19171.637326][ T7704] netlink_sendmsg+0x723/0xbe0 [19171.637326][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19171.637326][ T7704] ___sys_sendmsg+0xee/0x170 [19171.637326][ T7704] __sys_sendmsg+0xcd/0x170 [19171.637326][ T7704] do_syscall_64+0xc6/0x1e0 [19171.637326][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19171.637326][ T7704] [19171.639389][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19171.639389][ T7704] neigh_parms_alloc+0x1e5/0x510 [19171.639389][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19171.639389][ T7704] ipv6_find_idev+0x102/0x170 [19171.639389][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19171.639389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19171.639389][ T7704] netlink_rcv_skb+0x130/0x360 [19171.639389][ T7704] netlink_unicast+0x449/0x710 [19171.639389][ T7704] netlink_sendmsg+0x723/0xbe0 [19171.639389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19171.639389][ T7704] ___sys_sendmsg+0xee/0x170 [19171.639389][ T7704] __sys_sendmsg+0xcd/0x170 [19171.639389][ T7704] do_syscall_64+0xc6/0x1e0 [19171.639389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19171.639389][ T7704] [19181.708822][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19181.709345][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19181.709345][ T7704] netdev_get_by_index+0x5e/0x80 [19181.709345][ T7704] fib6_nh_init+0x3d8/0x15b0 [19181.709345][ T7704] ip6_route_info_create+0xf18/0x17d0 [19181.709345][ T7704] ip6_route_add+0x1c/0x140 [19181.709345][ T7704] addrconf_prefix_route+0x2a6/0x430 [19181.709345][ T7704] inet6_addr_add+0x4f8/0xa40 [19181.709345][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19181.709345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19181.709345][ T7704] netlink_rcv_skb+0x130/0x360 [19181.709345][ T7704] netlink_unicast+0x449/0x710 [19181.709345][ T7704] netlink_sendmsg+0x723/0xbe0 [19181.709345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19181.709345][ T7704] ___sys_sendmsg+0xee/0x170 [19181.709345][ T7704] __sys_sendmsg+0xcd/0x170 [19181.709345][ T7704] do_syscall_64+0xc6/0x1e0 [19181.709345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19181.709345][ T7704] [19181.712589][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19181.712589][ T7704] netdev_get_by_index+0x5e/0x80 [19181.712589][ T7704] fib6_nh_init+0x3d8/0x15b0 [19181.712589][ T7704] ip6_route_info_create+0xf18/0x17d0 [19181.712589][ T7704] addrconf_f6i_alloc+0x315/0x560 [19181.712589][ T7704] ipv6_add_addr+0x411/0x2000 [19181.712589][ T7704] inet6_addr_add+0x30e/0xa40 [19181.712589][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19181.712589][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19181.712589][ T7704] netlink_rcv_skb+0x130/0x360 [19181.712589][ T7704] netlink_unicast+0x449/0x710 [19181.712589][ T7704] netlink_sendmsg+0x723/0xbe0 [19181.712589][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19181.712589][ T7704] ___sys_sendmsg+0xee/0x170 [19181.712589][ T7704] __sys_sendmsg+0xcd/0x170 [19181.712589][ T7704] do_syscall_64+0xc6/0x1e0 [19181.712589][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19181.712589][ T7704] [19181.715294][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19181.715294][ T7704] netdev_get_by_index+0x5e/0x80 [19181.715294][ T7704] fib6_nh_init+0x3d8/0x15b0 [19181.715294][ T7704] ip6_route_info_create+0xf18/0x17d0 [19181.715294][ T7704] ip6_route_add+0x1c/0x140 [19181.715294][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19181.715294][ T7704] addrconf_add_dev+0xe2/0x170 [19181.715294][ T7704] inet6_addr_add+0x12f/0xa40 [19181.715294][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19181.715294][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19181.715294][ T7704] netlink_rcv_skb+0x130/0x360 [19181.715294][ T7704] netlink_unicast+0x449/0x710 [19181.715294][ T7704] netlink_sendmsg+0x723/0xbe0 [19181.715294][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19181.715294][ T7704] ___sys_sendmsg+0xee/0x170 [19181.715294][ T7704] __sys_sendmsg+0xcd/0x170 [19181.715294][ T7704] do_syscall_64+0xc6/0x1e0 [19181.715294][ T7704] [19181.717933][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19181.717933][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19181.717933][ T7704] ipv6_find_idev+0x102/0x170 [19181.717933][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19181.717933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19181.717933][ T7704] netlink_rcv_skb+0x130/0x360 [19181.717933][ T7704] netlink_unicast+0x449/0x710 [19181.717933][ T7704] netlink_sendmsg+0x723/0xbe0 [19181.717933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19181.717933][ T7704] ___sys_sendmsg+0xee/0x170 [19181.717933][ T7704] __sys_sendmsg+0xcd/0x170 [19181.717933][ T7704] do_syscall_64+0xc6/0x1e0 [19181.717933][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19181.717933][ T7704] [19181.719999][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19181.719999][ T7704] neigh_parms_alloc+0x1e5/0x510 [19181.719999][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19181.719999][ T7704] ipv6_find_idev+0x102/0x170 [19181.719999][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19181.719999][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19181.719999][ T7704] netlink_rcv_skb+0x130/0x360 [19181.719999][ T7704] netlink_unicast+0x449/0x710 [19181.719999][ T7704] netlink_sendmsg+0x723/0xbe0 [19181.719999][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19181.719999][ T7704] ___sys_sendmsg+0xee/0x170 [19181.719999][ T7704] __sys_sendmsg+0xcd/0x170 [19181.719999][ T7704] do_syscall_64+0xc6/0x1e0 [19181.719999][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19181.719999][ T7704] [19191.780819][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19191.781300][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19191.781300][ T7704] netdev_get_by_index+0x5e/0x80 [19191.781300][ T7704] fib6_nh_init+0x3d8/0x15b0 [19191.781300][ T7704] ip6_route_info_create+0xf18/0x17d0 [19191.781300][ T7704] ip6_route_add+0x1c/0x140 [19191.781300][ T7704] addrconf_prefix_route+0x2a6/0x430 [19191.781300][ T7704] inet6_addr_add+0x4f8/0xa40 [19191.781300][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19191.781300][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19191.781300][ T7704] netlink_rcv_skb+0x130/0x360 [19191.781300][ T7704] netlink_unicast+0x449/0x710 [19191.781300][ T7704] netlink_sendmsg+0x723/0xbe0 [19191.781300][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19191.781300][ T7704] ___sys_sendmsg+0xee/0x170 [19191.781300][ T7704] __sys_sendmsg+0xcd/0x170 [19191.781300][ T7704] do_syscall_64+0xc6/0x1e0 [19191.781300][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19191.781300][ T7704] [19191.783577][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19191.783577][ T7704] netdev_get_by_index+0x5e/0x80 [19191.783577][ T7704] fib6_nh_init+0x3d8/0x15b0 [19191.783577][ T7704] ip6_route_info_create+0xf18/0x17d0 [19191.783577][ T7704] addrconf_f6i_alloc+0x315/0x560 [19191.783577][ T7704] ipv6_add_addr+0x411/0x2000 [19191.783577][ T7704] inet6_addr_add+0x30e/0xa40 [19191.783577][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19191.783577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19191.783577][ T7704] netlink_rcv_skb+0x130/0x360 [19191.783577][ T7704] netlink_unicast+0x449/0x710 [19191.783577][ T7704] netlink_sendmsg+0x723/0xbe0 [19191.783577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19191.783577][ T7704] ___sys_sendmsg+0xee/0x170 [19191.783577][ T7704] __sys_sendmsg+0xcd/0x170 [19191.783577][ T7704] do_syscall_64+0xc6/0x1e0 [19191.783577][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19191.783577][ T7704] [19191.785810][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19191.785810][ T7704] netdev_get_by_index+0x5e/0x80 [19191.785810][ T7704] fib6_nh_init+0x3d8/0x15b0 [19191.785810][ T7704] ip6_route_info_create+0xf18/0x17d0 [19191.785810][ T7704] ip6_route_add+0x1c/0x140 [19191.785810][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19191.785810][ T7704] addrconf_add_dev+0xe2/0x170 [19191.785810][ T7704] inet6_addr_add+0x12f/0xa40 [19191.785810][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19191.785810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19191.785810][ T7704] netlink_rcv_skb+0x130/0x360 [19191.785810][ T7704] netlink_unicast+0x449/0x710 [19191.785810][ T7704] netlink_sendmsg+0x723/0xbe0 [19191.785810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19191.785810][ T7704] ___sys_sendmsg+0xee/0x170 [19191.785810][ T7704] __sys_sendmsg+0xcd/0x170 [19191.785810][ T7704] do_syscall_64+0xc6/0x1e0 [19191.785810][ T7704] [19191.788008][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19191.788008][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19191.788008][ T7704] ipv6_find_idev+0x102/0x170 [19191.788008][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19191.788008][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19191.788008][ T7704] netlink_rcv_skb+0x130/0x360 [19191.788008][ T7704] netlink_unicast+0x449/0x710 [19191.788008][ T7704] netlink_sendmsg+0x723/0xbe0 [19191.788008][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19191.788008][ T7704] ___sys_sendmsg+0xee/0x170 [19191.788008][ T7704] __sys_sendmsg+0xcd/0x170 [19191.788008][ T7704] do_syscall_64+0xc6/0x1e0 [19191.788008][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19191.788008][ T7704] [19191.789791][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19191.789791][ T7704] neigh_parms_alloc+0x1e5/0x510 [19191.789791][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19191.789791][ T7704] ipv6_find_idev+0x102/0x170 [19191.789791][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19191.789791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19191.789791][ T7704] netlink_rcv_skb+0x130/0x360 [19191.789791][ T7704] netlink_unicast+0x449/0x710 [19191.789791][ T7704] netlink_sendmsg+0x723/0xbe0 [19191.789791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19191.789791][ T7704] ___sys_sendmsg+0xee/0x170 [19191.789791][ T7704] __sys_sendmsg+0xcd/0x170 [19191.789791][ T7704] do_syscall_64+0xc6/0x1e0 [19191.789791][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19191.789791][ T7704] [19201.868815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19201.869260][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19201.869260][ T7704] netdev_get_by_index+0x5e/0x80 [19201.869260][ T7704] fib6_nh_init+0x3d8/0x15b0 [19201.869260][ T7704] ip6_route_info_create+0xf18/0x17d0 [19201.869260][ T7704] ip6_route_add+0x1c/0x140 [19201.869260][ T7704] addrconf_prefix_route+0x2a6/0x430 [19201.869260][ T7704] inet6_addr_add+0x4f8/0xa40 [19201.869260][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19201.869260][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19201.869260][ T7704] netlink_rcv_skb+0x130/0x360 [19201.869260][ T7704] netlink_unicast+0x449/0x710 [19201.869260][ T7704] netlink_sendmsg+0x723/0xbe0 [19201.869260][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19201.869260][ T7704] ___sys_sendmsg+0xee/0x170 [19201.869260][ T7704] __sys_sendmsg+0xcd/0x170 [19201.869260][ T7704] do_syscall_64+0xc6/0x1e0 [19201.869260][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19201.869260][ T7704] [19201.871495][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19201.871495][ T7704] netdev_get_by_index+0x5e/0x80 [19201.871495][ T7704] fib6_nh_init+0x3d8/0x15b0 [19201.871495][ T7704] ip6_route_info_create+0xf18/0x17d0 [19201.871495][ T7704] addrconf_f6i_alloc+0x315/0x560 [19201.871495][ T7704] ipv6_add_addr+0x411/0x2000 [19201.871495][ T7704] inet6_addr_add+0x30e/0xa40 [19201.871495][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19201.871495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19201.871495][ T7704] netlink_rcv_skb+0x130/0x360 [19201.871495][ T7704] netlink_unicast+0x449/0x710 [19201.871495][ T7704] netlink_sendmsg+0x723/0xbe0 [19201.871495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19201.871495][ T7704] ___sys_sendmsg+0xee/0x170 [19201.871495][ T7704] __sys_sendmsg+0xcd/0x170 [19201.871495][ T7704] do_syscall_64+0xc6/0x1e0 [19201.871495][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19201.871495][ T7704] [19201.873720][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19201.873720][ T7704] netdev_get_by_index+0x5e/0x80 [19201.873720][ T7704] fib6_nh_init+0x3d8/0x15b0 [19201.873720][ T7704] ip6_route_info_create+0xf18/0x17d0 [19201.873720][ T7704] ip6_route_add+0x1c/0x140 [19201.873720][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19201.873720][ T7704] addrconf_add_dev+0xe2/0x170 [19201.873720][ T7704] inet6_addr_add+0x12f/0xa40 [19201.873720][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19201.873720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19201.873720][ T7704] netlink_rcv_skb+0x130/0x360 [19201.873720][ T7704] netlink_unicast+0x449/0x710 [19201.873720][ T7704] netlink_sendmsg+0x723/0xbe0 [19201.873720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19201.873720][ T7704] ___sys_sendmsg+0xee/0x170 [19201.873720][ T7704] __sys_sendmsg+0xcd/0x170 [19201.873720][ T7704] do_syscall_64+0xc6/0x1e0 [19201.873720][ T7704] [19201.875886][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19201.875886][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19201.875886][ T7704] ipv6_find_idev+0x102/0x170 [19201.875886][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19201.875886][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19201.875886][ T7704] netlink_rcv_skb+0x130/0x360 [19201.875886][ T7704] netlink_unicast+0x449/0x710 [19201.875886][ T7704] netlink_sendmsg+0x723/0xbe0 [19201.875886][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19201.875886][ T7704] ___sys_sendmsg+0xee/0x170 [19201.875886][ T7704] __sys_sendmsg+0xcd/0x170 [19201.875886][ T7704] do_syscall_64+0xc6/0x1e0 [19201.875886][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19201.875886][ T7704] [19201.877582][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19201.877582][ T7704] neigh_parms_alloc+0x1e5/0x510 [19201.877582][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19201.877582][ T7704] ipv6_find_idev+0x102/0x170 [19201.877582][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19201.877582][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19201.877582][ T7704] netlink_rcv_skb+0x130/0x360 [19201.877582][ T7704] netlink_unicast+0x449/0x710 [19201.877582][ T7704] netlink_sendmsg+0x723/0xbe0 [19201.877582][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19201.877582][ T7704] ___sys_sendmsg+0xee/0x170 [19201.877582][ T7704] __sys_sendmsg+0xcd/0x170 [19201.877582][ T7704] do_syscall_64+0xc6/0x1e0 [19201.877582][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19201.877582][ T7704] [19212.116815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19212.117261][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19212.117261][ T7704] netdev_get_by_index+0x5e/0x80 [19212.117261][ T7704] fib6_nh_init+0x3d8/0x15b0 [19212.117261][ T7704] ip6_route_info_create+0xf18/0x17d0 [19212.117261][ T7704] ip6_route_add+0x1c/0x140 [19212.117261][ T7704] addrconf_prefix_route+0x2a6/0x430 [19212.117261][ T7704] inet6_addr_add+0x4f8/0xa40 [19212.117261][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19212.117261][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19212.117261][ T7704] netlink_rcv_skb+0x130/0x360 [19212.117261][ T7704] netlink_unicast+0x449/0x710 [19212.117261][ T7704] netlink_sendmsg+0x723/0xbe0 [19212.117261][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19212.117261][ T7704] ___sys_sendmsg+0xee/0x170 [19212.117261][ T7704] __sys_sendmsg+0xcd/0x170 [19212.117261][ T7704] do_syscall_64+0xc6/0x1e0 [19212.117261][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19212.117261][ T7704] [19212.119516][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19212.119516][ T7704] netdev_get_by_index+0x5e/0x80 [19212.119516][ T7704] fib6_nh_init+0x3d8/0x15b0 [19212.119516][ T7704] ip6_route_info_create+0xf18/0x17d0 [19212.119516][ T7704] addrconf_f6i_alloc+0x315/0x560 [19212.119516][ T7704] ipv6_add_addr+0x411/0x2000 [19212.119516][ T7704] inet6_addr_add+0x30e/0xa40 [19212.119516][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19212.119516][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19212.119516][ T7704] netlink_rcv_skb+0x130/0x360 [19212.119516][ T7704] netlink_unicast+0x449/0x710 [19212.119516][ T7704] netlink_sendmsg+0x723/0xbe0 [19212.119516][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19212.119516][ T7704] ___sys_sendmsg+0xee/0x170 [19212.119516][ T7704] __sys_sendmsg+0xcd/0x170 [19212.119516][ T7704] do_syscall_64+0xc6/0x1e0 [19212.119516][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19212.119516][ T7704] [19212.121751][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19212.121751][ T7704] netdev_get_by_index+0x5e/0x80 [19212.121751][ T7704] fib6_nh_init+0x3d8/0x15b0 [19212.121751][ T7704] ip6_route_info_create+0xf18/0x17d0 [19212.121751][ T7704] ip6_route_add+0x1c/0x140 [19212.121751][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19212.121751][ T7704] addrconf_add_dev+0xe2/0x170 [19212.121751][ T7704] inet6_addr_add+0x12f/0xa40 [19212.121751][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19212.121751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19212.121751][ T7704] netlink_rcv_skb+0x130/0x360 [19212.121751][ T7704] netlink_unicast+0x449/0x710 [19212.121751][ T7704] netlink_sendmsg+0x723/0xbe0 [19212.121751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19212.121751][ T7704] ___sys_sendmsg+0xee/0x170 [19212.121751][ T7704] __sys_sendmsg+0xcd/0x170 [19212.121751][ T7704] do_syscall_64+0xc6/0x1e0 [19212.121751][ T7704] [19212.123966][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19212.123966][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19212.123966][ T7704] ipv6_find_idev+0x102/0x170 [19212.123966][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19212.123966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19212.123966][ T7704] netlink_rcv_skb+0x130/0x360 [19212.123966][ T7704] netlink_unicast+0x449/0x710 [19212.123966][ T7704] netlink_sendmsg+0x723/0xbe0 [19212.123966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19212.123966][ T7704] ___sys_sendmsg+0xee/0x170 [19212.123966][ T7704] __sys_sendmsg+0xcd/0x170 [19212.123966][ T7704] do_syscall_64+0xc6/0x1e0 [19212.123966][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19212.123966][ T7704] [19212.126183][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19212.126183][ T7704] neigh_parms_alloc+0x1e5/0x510 [19212.126183][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19212.126183][ T7704] ipv6_find_idev+0x102/0x170 [19212.126183][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19212.126183][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19212.126183][ T7704] netlink_rcv_skb+0x130/0x360 [19212.126183][ T7704] netlink_unicast+0x449/0x710 [19212.126183][ T7704] netlink_sendmsg+0x723/0xbe0 [19212.126183][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19212.126183][ T7704] ___sys_sendmsg+0xee/0x170 [19212.126183][ T7704] __sys_sendmsg+0xcd/0x170 [19212.126183][ T7704] do_syscall_64+0xc6/0x1e0 [19212.126183][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19212.126183][ T7704] [19222.364778][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19222.365236][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19222.365236][ T7704] netdev_get_by_index+0x5e/0x80 [19222.365236][ T7704] fib6_nh_init+0x3d8/0x15b0 [19222.365236][ T7704] ip6_route_info_create+0xf18/0x17d0 [19222.365236][ T7704] ip6_route_add+0x1c/0x140 [19222.365236][ T7704] addrconf_prefix_route+0x2a6/0x430 [19222.365236][ T7704] inet6_addr_add+0x4f8/0xa40 [19222.365236][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19222.365236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19222.365236][ T7704] netlink_rcv_skb+0x130/0x360 [19222.365236][ T7704] netlink_unicast+0x449/0x710 [19222.365236][ T7704] netlink_sendmsg+0x723/0xbe0 [19222.365236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19222.365236][ T7704] ___sys_sendmsg+0xee/0x170 [19222.365236][ T7704] __sys_sendmsg+0xcd/0x170 [19222.365236][ T7704] do_syscall_64+0xc6/0x1e0 [19222.365236][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19222.365236][ T7704] [19222.367519][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19222.367519][ T7704] netdev_get_by_index+0x5e/0x80 [19222.367519][ T7704] fib6_nh_init+0x3d8/0x15b0 [19222.367519][ T7704] ip6_route_info_create+0xf18/0x17d0 [19222.367519][ T7704] addrconf_f6i_alloc+0x315/0x560 [19222.367519][ T7704] ipv6_add_addr+0x411/0x2000 [19222.367519][ T7704] inet6_addr_add+0x30e/0xa40 [19222.367519][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19222.367519][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19222.367519][ T7704] netlink_rcv_skb+0x130/0x360 [19222.367519][ T7704] netlink_unicast+0x449/0x710 [19222.367519][ T7704] netlink_sendmsg+0x723/0xbe0 [19222.367519][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19222.367519][ T7704] ___sys_sendmsg+0xee/0x170 [19222.367519][ T7704] __sys_sendmsg+0xcd/0x170 [19222.367519][ T7704] do_syscall_64+0xc6/0x1e0 [19222.367519][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19222.367519][ T7704] [19222.369730][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19222.369730][ T7704] netdev_get_by_index+0x5e/0x80 [19222.369730][ T7704] fib6_nh_init+0x3d8/0x15b0 [19222.369730][ T7704] ip6_route_info_create+0xf18/0x17d0 [19222.369730][ T7704] ip6_route_add+0x1c/0x140 [19222.369730][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19222.369730][ T7704] addrconf_add_dev+0xe2/0x170 [19222.369730][ T7704] inet6_addr_add+0x12f/0xa40 [19222.369730][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19222.369730][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19222.369730][ T7704] netlink_rcv_skb+0x130/0x360 [19222.369730][ T7704] netlink_unicast+0x449/0x710 [19222.369730][ T7704] netlink_sendmsg+0x723/0xbe0 [19222.369730][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19222.369730][ T7704] ___sys_sendmsg+0xee/0x170 [19222.369730][ T7704] __sys_sendmsg+0xcd/0x170 [19222.369730][ T7704] do_syscall_64+0xc6/0x1e0 [19222.369730][ T7704] [19222.371911][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19222.371911][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19222.371911][ T7704] ipv6_find_idev+0x102/0x170 [19222.371911][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19222.371911][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19222.371911][ T7704] netlink_rcv_skb+0x130/0x360 [19222.371911][ T7704] netlink_unicast+0x449/0x710 [19222.371911][ T7704] netlink_sendmsg+0x723/0xbe0 [19222.371911][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19222.371911][ T7704] ___sys_sendmsg+0xee/0x170 [19222.371911][ T7704] __sys_sendmsg+0xcd/0x170 [19222.371911][ T7704] do_syscall_64+0xc6/0x1e0 [19222.371911][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19222.371911][ T7704] [19222.373621][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19222.373621][ T7704] neigh_parms_alloc+0x1e5/0x510 [19222.373621][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19222.373621][ T7704] ipv6_find_idev+0x102/0x170 [19222.373621][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19222.373621][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19222.373621][ T7704] netlink_rcv_skb+0x130/0x360 [19222.373621][ T7704] netlink_unicast+0x449/0x710 [19222.373621][ T7704] netlink_sendmsg+0x723/0xbe0 [19222.373621][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19222.373621][ T7704] ___sys_sendmsg+0xee/0x170 [19222.373621][ T7704] __sys_sendmsg+0xcd/0x170 [19222.373621][ T7704] do_syscall_64+0xc6/0x1e0 [19222.373621][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19222.373621][ T7704] [19232.452837][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19232.453311][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19232.453311][ T7704] netdev_get_by_index+0x5e/0x80 [19232.453311][ T7704] fib6_nh_init+0x3d8/0x15b0 [19232.453311][ T7704] ip6_route_info_create+0xf18/0x17d0 [19232.453311][ T7704] ip6_route_add+0x1c/0x140 [19232.453311][ T7704] addrconf_prefix_route+0x2a6/0x430 [19232.453311][ T7704] inet6_addr_add+0x4f8/0xa40 [19232.453311][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19232.453311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19232.453311][ T7704] netlink_rcv_skb+0x130/0x360 [19232.453311][ T7704] netlink_unicast+0x449/0x710 [19232.453311][ T7704] netlink_sendmsg+0x723/0xbe0 [19232.453311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19232.453311][ T7704] ___sys_sendmsg+0xee/0x170 [19232.453311][ T7704] __sys_sendmsg+0xcd/0x170 [19232.453311][ T7704] do_syscall_64+0xc6/0x1e0 [19232.453311][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19232.453311][ T7704] [19232.455548][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19232.455548][ T7704] netdev_get_by_index+0x5e/0x80 [19232.455548][ T7704] fib6_nh_init+0x3d8/0x15b0 [19232.455548][ T7704] ip6_route_info_create+0xf18/0x17d0 [19232.455548][ T7704] addrconf_f6i_alloc+0x315/0x560 [19232.455548][ T7704] ipv6_add_addr+0x411/0x2000 [19232.455548][ T7704] inet6_addr_add+0x30e/0xa40 [19232.455548][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19232.455548][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19232.455548][ T7704] netlink_rcv_skb+0x130/0x360 [19232.455548][ T7704] netlink_unicast+0x449/0x710 [19232.455548][ T7704] netlink_sendmsg+0x723/0xbe0 [19232.455548][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19232.455548][ T7704] ___sys_sendmsg+0xee/0x170 [19232.455548][ T7704] __sys_sendmsg+0xcd/0x170 [19232.455548][ T7704] do_syscall_64+0xc6/0x1e0 [19232.455548][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19232.455548][ T7704] [19232.457749][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19232.457749][ T7704] netdev_get_by_index+0x5e/0x80 [19232.457749][ T7704] fib6_nh_init+0x3d8/0x15b0 [19232.457749][ T7704] ip6_route_info_create+0xf18/0x17d0 [19232.457749][ T7704] ip6_route_add+0x1c/0x140 [19232.457749][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19232.457749][ T7704] addrconf_add_dev+0xe2/0x170 [19232.457749][ T7704] inet6_addr_add+0x12f/0xa40 [19232.457749][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19232.457749][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19232.457749][ T7704] netlink_rcv_skb+0x130/0x360 [19232.457749][ T7704] netlink_unicast+0x449/0x710 [19232.457749][ T7704] netlink_sendmsg+0x723/0xbe0 [19232.457749][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19232.457749][ T7704] ___sys_sendmsg+0xee/0x170 [19232.457749][ T7704] __sys_sendmsg+0xcd/0x170 [19232.457749][ T7704] do_syscall_64+0xc6/0x1e0 [19232.457749][ T7704] [19232.459926][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19232.459926][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19232.459926][ T7704] ipv6_find_idev+0x102/0x170 [19232.459926][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19232.459926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19232.459926][ T7704] netlink_rcv_skb+0x130/0x360 [19232.459926][ T7704] netlink_unicast+0x449/0x710 [19232.459926][ T7704] netlink_sendmsg+0x723/0xbe0 [19232.459926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19232.459926][ T7704] ___sys_sendmsg+0xee/0x170 [19232.459926][ T7704] __sys_sendmsg+0xcd/0x170 [19232.459926][ T7704] do_syscall_64+0xc6/0x1e0 [19232.459926][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19232.459926][ T7704] [19232.461624][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19232.461624][ T7704] neigh_parms_alloc+0x1e5/0x510 [19232.461624][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19232.461624][ T7704] ipv6_find_idev+0x102/0x170 [19232.461624][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19232.461624][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19232.461624][ T7704] netlink_rcv_skb+0x130/0x360 [19232.461624][ T7704] netlink_unicast+0x449/0x710 [19232.461624][ T7704] netlink_sendmsg+0x723/0xbe0 [19232.461624][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19232.461624][ T7704] ___sys_sendmsg+0xee/0x170 [19232.461624][ T7704] __sys_sendmsg+0xcd/0x170 [19232.461624][ T7704] do_syscall_64+0xc6/0x1e0 [19232.461624][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19232.461624][ T7704] [19242.700879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19242.701325][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19242.701325][ T7704] netdev_get_by_index+0x5e/0x80 [19242.701325][ T7704] fib6_nh_init+0x3d8/0x15b0 [19242.701325][ T7704] ip6_route_info_create+0xf18/0x17d0 [19242.701325][ T7704] ip6_route_add+0x1c/0x140 [19242.701325][ T7704] addrconf_prefix_route+0x2a6/0x430 [19242.701325][ T7704] inet6_addr_add+0x4f8/0xa40 [19242.701325][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19242.701325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19242.701325][ T7704] netlink_rcv_skb+0x130/0x360 [19242.701325][ T7704] netlink_unicast+0x449/0x710 [19242.701325][ T7704] netlink_sendmsg+0x723/0xbe0 [19242.701325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19242.701325][ T7704] ___sys_sendmsg+0xee/0x170 [19242.701325][ T7704] __sys_sendmsg+0xcd/0x170 [19242.701325][ T7704] do_syscall_64+0xc6/0x1e0 [19242.701325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19242.701325][ T7704] [19242.703589][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19242.703589][ T7704] netdev_get_by_index+0x5e/0x80 [19242.703589][ T7704] fib6_nh_init+0x3d8/0x15b0 [19242.703589][ T7704] ip6_route_info_create+0xf18/0x17d0 [19242.703589][ T7704] addrconf_f6i_alloc+0x315/0x560 [19242.703589][ T7704] ipv6_add_addr+0x411/0x2000 [19242.703589][ T7704] inet6_addr_add+0x30e/0xa40 [19242.703589][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19242.703589][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19242.703589][ T7704] netlink_rcv_skb+0x130/0x360 [19242.703589][ T7704] netlink_unicast+0x449/0x710 [19242.703589][ T7704] netlink_sendmsg+0x723/0xbe0 [19242.703589][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19242.703589][ T7704] ___sys_sendmsg+0xee/0x170 [19242.703589][ T7704] __sys_sendmsg+0xcd/0x170 [19242.703589][ T7704] do_syscall_64+0xc6/0x1e0 [19242.703589][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19242.703589][ T7704] [19242.705802][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19242.705802][ T7704] netdev_get_by_index+0x5e/0x80 [19242.705802][ T7704] fib6_nh_init+0x3d8/0x15b0 [19242.705802][ T7704] ip6_route_info_create+0xf18/0x17d0 [19242.705802][ T7704] ip6_route_add+0x1c/0x140 [19242.705802][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19242.705802][ T7704] addrconf_add_dev+0xe2/0x170 [19242.705802][ T7704] inet6_addr_add+0x12f/0xa40 [19242.705802][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19242.705802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19242.705802][ T7704] netlink_rcv_skb+0x130/0x360 [19242.705802][ T7704] netlink_unicast+0x449/0x710 [19242.705802][ T7704] netlink_sendmsg+0x723/0xbe0 [19242.705802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19242.705802][ T7704] ___sys_sendmsg+0xee/0x170 [19242.705802][ T7704] __sys_sendmsg+0xcd/0x170 [19242.705802][ T7704] do_syscall_64+0xc6/0x1e0 [19242.705802][ T7704] [19242.707970][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19242.707970][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19242.707970][ T7704] ipv6_find_idev+0x102/0x170 [19242.707970][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19242.707970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19242.707970][ T7704] netlink_rcv_skb+0x130/0x360 [19242.707970][ T7704] netlink_unicast+0x449/0x710 [19242.707970][ T7704] netlink_sendmsg+0x723/0xbe0 [19242.707970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19242.707970][ T7704] ___sys_sendmsg+0xee/0x170 [19242.707970][ T7704] __sys_sendmsg+0xcd/0x170 [19242.707970][ T7704] do_syscall_64+0xc6/0x1e0 [19242.707970][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19242.707970][ T7704] [19242.709771][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19242.709771][ T7704] neigh_parms_alloc+0x1e5/0x510 [19242.709771][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19242.709771][ T7704] ipv6_find_idev+0x102/0x170 [19242.709771][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19242.709771][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19242.709771][ T7704] netlink_rcv_skb+0x130/0x360 [19242.709771][ T7704] netlink_unicast+0x449/0x710 [19242.709771][ T7704] netlink_sendmsg+0x723/0xbe0 [19242.709771][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19242.709771][ T7704] ___sys_sendmsg+0xee/0x170 [19242.709771][ T7704] __sys_sendmsg+0xcd/0x170 [19242.709771][ T7704] do_syscall_64+0xc6/0x1e0 [19242.709771][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19242.709771][ T7704] [19252.948819][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19252.949333][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19252.949333][ T7704] netdev_get_by_index+0x5e/0x80 [19252.949333][ T7704] fib6_nh_init+0x3d8/0x15b0 [19252.949333][ T7704] ip6_route_info_create+0xf18/0x17d0 [19252.949333][ T7704] ip6_route_add+0x1c/0x140 [19252.949333][ T7704] addrconf_prefix_route+0x2a6/0x430 [19252.949333][ T7704] inet6_addr_add+0x4f8/0xa40 [19252.949333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19252.949333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19252.949333][ T7704] netlink_rcv_skb+0x130/0x360 [19252.949333][ T7704] netlink_unicast+0x449/0x710 [19252.949333][ T7704] netlink_sendmsg+0x723/0xbe0 [19252.949333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19252.949333][ T7704] ___sys_sendmsg+0xee/0x170 [19252.949333][ T7704] __sys_sendmsg+0xcd/0x170 [19252.949333][ T7704] do_syscall_64+0xc6/0x1e0 [19252.949333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19252.949333][ T7704] [19252.951575][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19252.951575][ T7704] netdev_get_by_index+0x5e/0x80 [19252.951575][ T7704] fib6_nh_init+0x3d8/0x15b0 [19252.951575][ T7704] ip6_route_info_create+0xf18/0x17d0 [19252.951575][ T7704] addrconf_f6i_alloc+0x315/0x560 [19252.951575][ T7704] ipv6_add_addr+0x411/0x2000 [19252.951575][ T7704] inet6_addr_add+0x30e/0xa40 [19252.951575][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19252.951575][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19252.951575][ T7704] netlink_rcv_skb+0x130/0x360 [19252.951575][ T7704] netlink_unicast+0x449/0x710 [19252.951575][ T7704] netlink_sendmsg+0x723/0xbe0 [19252.951575][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19252.951575][ T7704] ___sys_sendmsg+0xee/0x170 [19252.951575][ T7704] __sys_sendmsg+0xcd/0x170 [19252.951575][ T7704] do_syscall_64+0xc6/0x1e0 [19252.951575][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19252.951575][ T7704] [19252.953793][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19252.953793][ T7704] netdev_get_by_index+0x5e/0x80 [19252.953793][ T7704] fib6_nh_init+0x3d8/0x15b0 [19252.953793][ T7704] ip6_route_info_create+0xf18/0x17d0 [19252.953793][ T7704] ip6_route_add+0x1c/0x140 [19252.953793][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19252.953793][ T7704] addrconf_add_dev+0xe2/0x170 [19252.953793][ T7704] inet6_addr_add+0x12f/0xa40 [19252.953793][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19252.953793][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19252.953793][ T7704] netlink_rcv_skb+0x130/0x360 [19252.953793][ T7704] netlink_unicast+0x449/0x710 [19252.953793][ T7704] netlink_sendmsg+0x723/0xbe0 [19252.953793][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19252.953793][ T7704] ___sys_sendmsg+0xee/0x170 [19252.953793][ T7704] __sys_sendmsg+0xcd/0x170 [19252.953793][ T7704] do_syscall_64+0xc6/0x1e0 [19252.953793][ T7704] [19252.956227][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19252.956227][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19252.956227][ T7704] ipv6_find_idev+0x102/0x170 [19252.956227][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19252.956227][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19252.956227][ T7704] netlink_rcv_skb+0x130/0x360 [19252.956227][ T7704] netlink_unicast+0x449/0x710 [19252.956227][ T7704] netlink_sendmsg+0x723/0xbe0 [19252.956227][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19252.956227][ T7704] ___sys_sendmsg+0xee/0x170 [19252.956227][ T7704] __sys_sendmsg+0xcd/0x170 [19252.956227][ T7704] do_syscall_64+0xc6/0x1e0 [19252.956227][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19252.956227][ T7704] [19252.957940][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19252.957940][ T7704] neigh_parms_alloc+0x1e5/0x510 [19252.957940][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19252.957940][ T7704] ipv6_find_idev+0x102/0x170 [19252.957940][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19252.957940][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19252.957940][ T7704] netlink_rcv_skb+0x130/0x360 [19252.957940][ T7704] netlink_unicast+0x449/0x710 [19252.957940][ T7704] netlink_sendmsg+0x723/0xbe0 [19252.957940][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19252.957940][ T7704] ___sys_sendmsg+0xee/0x170 [19252.957940][ T7704] __sys_sendmsg+0xcd/0x170 [19252.957940][ T7704] do_syscall_64+0xc6/0x1e0 [19252.957940][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19252.957940][ T7704] [19263.196751][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19263.197206][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19263.197206][ T7704] netdev_get_by_index+0x5e/0x80 [19263.197206][ T7704] fib6_nh_init+0x3d8/0x15b0 [19263.197206][ T7704] ip6_route_info_create+0xf18/0x17d0 [19263.197206][ T7704] ip6_route_add+0x1c/0x140 [19263.197206][ T7704] addrconf_prefix_route+0x2a6/0x430 [19263.197206][ T7704] inet6_addr_add+0x4f8/0xa40 [19263.197206][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19263.197206][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19263.197206][ T7704] netlink_rcv_skb+0x130/0x360 [19263.197206][ T7704] netlink_unicast+0x449/0x710 [19263.197206][ T7704] netlink_sendmsg+0x723/0xbe0 [19263.197206][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19263.197206][ T7704] ___sys_sendmsg+0xee/0x170 [19263.197206][ T7704] __sys_sendmsg+0xcd/0x170 [19263.197206][ T7704] do_syscall_64+0xc6/0x1e0 [19263.197206][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19263.197206][ T7704] [19263.199484][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19263.199484][ T7704] netdev_get_by_index+0x5e/0x80 [19263.199484][ T7704] fib6_nh_init+0x3d8/0x15b0 [19263.199484][ T7704] ip6_route_info_create+0xf18/0x17d0 [19263.199484][ T7704] addrconf_f6i_alloc+0x315/0x560 [19263.199484][ T7704] ipv6_add_addr+0x411/0x2000 [19263.199484][ T7704] inet6_addr_add+0x30e/0xa40 [19263.199484][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19263.199484][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19263.199484][ T7704] netlink_rcv_skb+0x130/0x360 [19263.199484][ T7704] netlink_unicast+0x449/0x710 [19263.199484][ T7704] netlink_sendmsg+0x723/0xbe0 [19263.199484][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19263.199484][ T7704] ___sys_sendmsg+0xee/0x170 [19263.199484][ T7704] __sys_sendmsg+0xcd/0x170 [19263.199484][ T7704] do_syscall_64+0xc6/0x1e0 [19263.199484][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19263.199484][ T7704] [19263.202286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19263.202286][ T7704] netdev_get_by_index+0x5e/0x80 [19263.202286][ T7704] fib6_nh_init+0x3d8/0x15b0 [19263.202286][ T7704] ip6_route_info_create+0xf18/0x17d0 [19263.202286][ T7704] ip6_route_add+0x1c/0x140 [19263.202286][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19263.202286][ T7704] addrconf_add_dev+0xe2/0x170 [19263.202286][ T7704] inet6_addr_add+0x12f/0xa40 [19263.202286][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19263.202286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19263.202286][ T7704] netlink_rcv_skb+0x130/0x360 [19263.202286][ T7704] netlink_unicast+0x449/0x710 [19263.202286][ T7704] netlink_sendmsg+0x723/0xbe0 [19263.202286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19263.202286][ T7704] ___sys_sendmsg+0xee/0x170 [19263.202286][ T7704] __sys_sendmsg+0xcd/0x170 [19263.202286][ T7704] do_syscall_64+0xc6/0x1e0 [19263.202286][ T7704] [19263.204528][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19263.204528][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19263.204528][ T7704] ipv6_find_idev+0x102/0x170 [19263.204528][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19263.204528][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19263.204528][ T7704] netlink_rcv_skb+0x130/0x360 [19263.204528][ T7704] netlink_unicast+0x449/0x710 [19263.204528][ T7704] netlink_sendmsg+0x723/0xbe0 [19263.204528][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19263.204528][ T7704] ___sys_sendmsg+0xee/0x170 [19263.204528][ T7704] __sys_sendmsg+0xcd/0x170 [19263.204528][ T7704] do_syscall_64+0xc6/0x1e0 [19263.204528][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19263.204528][ T7704] [19263.206286][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19263.206286][ T7704] neigh_parms_alloc+0x1e5/0x510 [19263.206286][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19263.206286][ T7704] ipv6_find_idev+0x102/0x170 [19263.206286][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19263.206286][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19263.206286][ T7704] netlink_rcv_skb+0x130/0x360 [19263.206286][ T7704] netlink_unicast+0x449/0x710 [19263.206286][ T7704] netlink_sendmsg+0x723/0xbe0 [19263.206286][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19263.206286][ T7704] ___sys_sendmsg+0xee/0x170 [19263.206286][ T7704] __sys_sendmsg+0xcd/0x170 [19263.206286][ T7704] do_syscall_64+0xc6/0x1e0 [19263.206286][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19263.206286][ T7704] [19273.244761][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19273.245283][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19273.245283][ T7704] netdev_get_by_index+0x5e/0x80 [19273.245283][ T7704] fib6_nh_init+0x3d8/0x15b0 [19273.245283][ T7704] ip6_route_info_create+0xf18/0x17d0 [19273.245283][ T7704] ip6_route_add+0x1c/0x140 [19273.245283][ T7704] addrconf_prefix_route+0x2a6/0x430 [19273.245283][ T7704] inet6_addr_add+0x4f8/0xa40 [19273.245283][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19273.245283][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19273.245283][ T7704] netlink_rcv_skb+0x130/0x360 [19273.245283][ T7704] netlink_unicast+0x449/0x710 [19273.245283][ T7704] netlink_sendmsg+0x723/0xbe0 [19273.245283][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19273.245283][ T7704] ___sys_sendmsg+0xee/0x170 [19273.245283][ T7704] __sys_sendmsg+0xcd/0x170 [19273.245283][ T7704] do_syscall_64+0xc6/0x1e0 [19273.245283][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19273.245283][ T7704] [19273.247542][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19273.247542][ T7704] netdev_get_by_index+0x5e/0x80 [19273.247542][ T7704] fib6_nh_init+0x3d8/0x15b0 [19273.247542][ T7704] ip6_route_info_create+0xf18/0x17d0 [19273.247542][ T7704] addrconf_f6i_alloc+0x315/0x560 [19273.247542][ T7704] ipv6_add_addr+0x411/0x2000 [19273.247542][ T7704] inet6_addr_add+0x30e/0xa40 [19273.247542][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19273.247542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19273.247542][ T7704] netlink_rcv_skb+0x130/0x360 [19273.247542][ T7704] netlink_unicast+0x449/0x710 [19273.247542][ T7704] netlink_sendmsg+0x723/0xbe0 [19273.247542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19273.247542][ T7704] ___sys_sendmsg+0xee/0x170 [19273.247542][ T7704] __sys_sendmsg+0xcd/0x170 [19273.247542][ T7704] do_syscall_64+0xc6/0x1e0 [19273.247542][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19273.247542][ T7704] [19273.249790][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19273.249790][ T7704] netdev_get_by_index+0x5e/0x80 [19273.249790][ T7704] fib6_nh_init+0x3d8/0x15b0 [19273.249790][ T7704] ip6_route_info_create+0xf18/0x17d0 [19273.249790][ T7704] ip6_route_add+0x1c/0x140 [19273.249790][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19273.249790][ T7704] addrconf_add_dev+0xe2/0x170 [19273.249790][ T7704] inet6_addr_add+0x12f/0xa40 [19273.249790][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19273.249790][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19273.249790][ T7704] netlink_rcv_skb+0x130/0x360 [19273.249790][ T7704] netlink_unicast+0x449/0x710 [19273.249790][ T7704] netlink_sendmsg+0x723/0xbe0 [19273.249790][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19273.249790][ T7704] ___sys_sendmsg+0xee/0x170 [19273.249790][ T7704] __sys_sendmsg+0xcd/0x170 [19273.249790][ T7704] do_syscall_64+0xc6/0x1e0 [19273.249790][ T7704] [19273.251992][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19273.251992][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19273.251992][ T7704] ipv6_find_idev+0x102/0x170 [19273.251992][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19273.251992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19273.251992][ T7704] netlink_rcv_skb+0x130/0x360 [19273.251992][ T7704] netlink_unicast+0x449/0x710 [19273.251992][ T7704] netlink_sendmsg+0x723/0xbe0 [19273.251992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19273.251992][ T7704] ___sys_sendmsg+0xee/0x170 [19273.251992][ T7704] __sys_sendmsg+0xcd/0x170 [19273.251992][ T7704] do_syscall_64+0xc6/0x1e0 [19273.251992][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19273.251992][ T7704] [19273.253734][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19273.253734][ T7704] neigh_parms_alloc+0x1e5/0x510 [19273.253734][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19273.253734][ T7704] ipv6_find_idev+0x102/0x170 [19273.253734][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19273.253734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19273.253734][ T7704] netlink_rcv_skb+0x130/0x360 [19273.253734][ T7704] netlink_unicast+0x449/0x710 [19273.253734][ T7704] netlink_sendmsg+0x723/0xbe0 [19273.253734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19273.253734][ T7704] ___sys_sendmsg+0xee/0x170 [19273.253734][ T7704] __sys_sendmsg+0xcd/0x170 [19273.253734][ T7704] do_syscall_64+0xc6/0x1e0 [19273.253734][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19273.253734][ T7704] [19283.492774][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19283.493253][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19283.493253][ T7704] netdev_get_by_index+0x5e/0x80 [19283.493253][ T7704] fib6_nh_init+0x3d8/0x15b0 [19283.493253][ T7704] ip6_route_info_create+0xf18/0x17d0 [19283.493253][ T7704] ip6_route_add+0x1c/0x140 [19283.493253][ T7704] addrconf_prefix_route+0x2a6/0x430 [19283.493253][ T7704] inet6_addr_add+0x4f8/0xa40 [19283.493253][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19283.493253][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19283.493253][ T7704] netlink_rcv_skb+0x130/0x360 [19283.493253][ T7704] netlink_unicast+0x449/0x710 [19283.493253][ T7704] netlink_sendmsg+0x723/0xbe0 [19283.493253][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19283.493253][ T7704] ___sys_sendmsg+0xee/0x170 [19283.493253][ T7704] __sys_sendmsg+0xcd/0x170 [19283.493253][ T7704] do_syscall_64+0xc6/0x1e0 [19283.493253][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19283.493253][ T7704] [19283.495525][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19283.495525][ T7704] netdev_get_by_index+0x5e/0x80 [19283.495525][ T7704] fib6_nh_init+0x3d8/0x15b0 [19283.495525][ T7704] ip6_route_info_create+0xf18/0x17d0 [19283.495525][ T7704] addrconf_f6i_alloc+0x315/0x560 [19283.495525][ T7704] ipv6_add_addr+0x411/0x2000 [19283.495525][ T7704] inet6_addr_add+0x30e/0xa40 [19283.495525][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19283.495525][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19283.495525][ T7704] netlink_rcv_skb+0x130/0x360 [19283.495525][ T7704] netlink_unicast+0x449/0x710 [19283.495525][ T7704] netlink_sendmsg+0x723/0xbe0 [19283.495525][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19283.495525][ T7704] ___sys_sendmsg+0xee/0x170 [19283.495525][ T7704] __sys_sendmsg+0xcd/0x170 [19283.495525][ T7704] do_syscall_64+0xc6/0x1e0 [19283.495525][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19283.495525][ T7704] [19283.497867][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19283.497867][ T7704] netdev_get_by_index+0x5e/0x80 [19283.497867][ T7704] fib6_nh_init+0x3d8/0x15b0 [19283.497867][ T7704] ip6_route_info_create+0xf18/0x17d0 [19283.497867][ T7704] ip6_route_add+0x1c/0x140 [19283.497867][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19283.497867][ T7704] addrconf_add_dev+0xe2/0x170 [19283.497867][ T7704] inet6_addr_add+0x12f/0xa40 [19283.497867][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19283.497867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19283.497867][ T7704] netlink_rcv_skb+0x130/0x360 [19283.497867][ T7704] netlink_unicast+0x449/0x710 [19283.497867][ T7704] netlink_sendmsg+0x723/0xbe0 [19283.497867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19283.497867][ T7704] ___sys_sendmsg+0xee/0x170 [19283.497867][ T7704] __sys_sendmsg+0xcd/0x170 [19283.497867][ T7704] do_syscall_64+0xc6/0x1e0 [19283.497867][ T7704] [19283.500089][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19283.500089][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19283.500089][ T7704] ipv6_find_idev+0x102/0x170 [19283.500089][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19283.500089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19283.500089][ T7704] netlink_rcv_skb+0x130/0x360 [19283.500089][ T7704] netlink_unicast+0x449/0x710 [19283.500089][ T7704] netlink_sendmsg+0x723/0xbe0 [19283.500089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19283.500089][ T7704] ___sys_sendmsg+0xee/0x170 [19283.500089][ T7704] __sys_sendmsg+0xcd/0x170 [19283.500089][ T7704] do_syscall_64+0xc6/0x1e0 [19283.500089][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19283.500089][ T7704] [19283.501815][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19283.501815][ T7704] neigh_parms_alloc+0x1e5/0x510 [19283.501815][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19283.501815][ T7704] ipv6_find_idev+0x102/0x170 [19283.501815][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19283.501815][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19283.501815][ T7704] netlink_rcv_skb+0x130/0x360 [19283.501815][ T7704] netlink_unicast+0x449/0x710 [19283.501815][ T7704] netlink_sendmsg+0x723/0xbe0 [19283.501815][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19283.501815][ T7704] ___sys_sendmsg+0xee/0x170 [19283.501815][ T7704] __sys_sendmsg+0xcd/0x170 [19283.501815][ T7704] do_syscall_64+0xc6/0x1e0 [19283.501815][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19283.501815][ T7704] [19293.740788][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19293.741261][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19293.741261][ T7704] netdev_get_by_index+0x5e/0x80 [19293.741261][ T7704] fib6_nh_init+0x3d8/0x15b0 [19293.741261][ T7704] ip6_route_info_create+0xf18/0x17d0 [19293.741261][ T7704] ip6_route_add+0x1c/0x140 [19293.741261][ T7704] addrconf_prefix_route+0x2a6/0x430 [19293.741261][ T7704] inet6_addr_add+0x4f8/0xa40 [19293.741261][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19293.741261][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19293.741261][ T7704] netlink_rcv_skb+0x130/0x360 [19293.741261][ T7704] netlink_unicast+0x449/0x710 [19293.741261][ T7704] netlink_sendmsg+0x723/0xbe0 [19293.741261][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19293.741261][ T7704] ___sys_sendmsg+0xee/0x170 [19293.741261][ T7704] __sys_sendmsg+0xcd/0x170 [19293.741261][ T7704] do_syscall_64+0xc6/0x1e0 [19293.741261][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19293.741261][ T7704] [19293.743594][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19293.743594][ T7704] netdev_get_by_index+0x5e/0x80 [19293.743594][ T7704] fib6_nh_init+0x3d8/0x15b0 [19293.743594][ T7704] ip6_route_info_create+0xf18/0x17d0 [19293.743594][ T7704] addrconf_f6i_alloc+0x315/0x560 [19293.743594][ T7704] ipv6_add_addr+0x411/0x2000 [19293.743594][ T7704] inet6_addr_add+0x30e/0xa40 [19293.743594][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19293.743594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19293.743594][ T7704] netlink_rcv_skb+0x130/0x360 [19293.743594][ T7704] netlink_unicast+0x449/0x710 [19293.743594][ T7704] netlink_sendmsg+0x723/0xbe0 [19293.743594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19293.743594][ T7704] ___sys_sendmsg+0xee/0x170 [19293.743594][ T7704] __sys_sendmsg+0xcd/0x170 [19293.743594][ T7704] do_syscall_64+0xc6/0x1e0 [19293.743594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19293.743594][ T7704] [19293.745898][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19293.745898][ T7704] netdev_get_by_index+0x5e/0x80 [19293.745898][ T7704] fib6_nh_init+0x3d8/0x15b0 [19293.745898][ T7704] ip6_route_info_create+0xf18/0x17d0 [19293.745898][ T7704] ip6_route_add+0x1c/0x140 [19293.745898][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19293.745898][ T7704] addrconf_add_dev+0xe2/0x170 [19293.745898][ T7704] inet6_addr_add+0x12f/0xa40 [19293.745898][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19293.745898][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19293.745898][ T7704] netlink_rcv_skb+0x130/0x360 [19293.745898][ T7704] netlink_unicast+0x449/0x710 [19293.745898][ T7704] netlink_sendmsg+0x723/0xbe0 [19293.745898][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19293.745898][ T7704] ___sys_sendmsg+0xee/0x170 [19293.745898][ T7704] __sys_sendmsg+0xcd/0x170 [19293.745898][ T7704] do_syscall_64+0xc6/0x1e0 [19293.745898][ T7704] [19293.748179][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19293.748179][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19293.748179][ T7704] ipv6_find_idev+0x102/0x170 [19293.748179][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19293.748179][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19293.748179][ T7704] netlink_rcv_skb+0x130/0x360 [19293.748179][ T7704] netlink_unicast+0x449/0x710 [19293.748179][ T7704] netlink_sendmsg+0x723/0xbe0 [19293.748179][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19293.748179][ T7704] ___sys_sendmsg+0xee/0x170 [19293.748179][ T7704] __sys_sendmsg+0xcd/0x170 [19293.748179][ T7704] do_syscall_64+0xc6/0x1e0 [19293.748179][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19293.748179][ T7704] [19293.749963][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19293.749963][ T7704] neigh_parms_alloc+0x1e5/0x510 [19293.749963][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19293.749963][ T7704] ipv6_find_idev+0x102/0x170 [19293.749963][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19293.749963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19293.749963][ T7704] netlink_rcv_skb+0x130/0x360 [19293.749963][ T7704] netlink_unicast+0x449/0x710 [19293.749963][ T7704] netlink_sendmsg+0x723/0xbe0 [19293.749963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19293.749963][ T7704] ___sys_sendmsg+0xee/0x170 [19293.749963][ T7704] __sys_sendmsg+0xcd/0x170 [19293.749963][ T7704] do_syscall_64+0xc6/0x1e0 [19293.749963][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19293.749963][ T7704] [19303.988826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19303.989334][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19303.989334][ T7704] netdev_get_by_index+0x5e/0x80 [19303.989334][ T7704] fib6_nh_init+0x3d8/0x15b0 [19303.989334][ T7704] ip6_route_info_create+0xf18/0x17d0 [19303.989334][ T7704] ip6_route_add+0x1c/0x140 [19303.989334][ T7704] addrconf_prefix_route+0x2a6/0x430 [19303.989334][ T7704] inet6_addr_add+0x4f8/0xa40 [19303.989334][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19303.989334][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19303.989334][ T7704] netlink_rcv_skb+0x130/0x360 [19303.989334][ T7704] netlink_unicast+0x449/0x710 [19303.989334][ T7704] netlink_sendmsg+0x723/0xbe0 [19303.989334][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19303.989334][ T7704] ___sys_sendmsg+0xee/0x170 [19303.989334][ T7704] __sys_sendmsg+0xcd/0x170 [19303.989334][ T7704] do_syscall_64+0xc6/0x1e0 [19303.989334][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19303.989334][ T7704] [19303.991615][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19303.991615][ T7704] netdev_get_by_index+0x5e/0x80 [19303.991615][ T7704] fib6_nh_init+0x3d8/0x15b0 [19303.991615][ T7704] ip6_route_info_create+0xf18/0x17d0 [19303.991615][ T7704] addrconf_f6i_alloc+0x315/0x560 [19303.991615][ T7704] ipv6_add_addr+0x411/0x2000 [19303.991615][ T7704] inet6_addr_add+0x30e/0xa40 [19303.991615][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19303.991615][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19303.991615][ T7704] netlink_rcv_skb+0x130/0x360 [19303.991615][ T7704] netlink_unicast+0x449/0x710 [19303.991615][ T7704] netlink_sendmsg+0x723/0xbe0 [19303.991615][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19303.991615][ T7704] ___sys_sendmsg+0xee/0x170 [19303.991615][ T7704] __sys_sendmsg+0xcd/0x170 [19303.991615][ T7704] do_syscall_64+0xc6/0x1e0 [19303.991615][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19303.991615][ T7704] [19303.993870][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19303.993870][ T7704] netdev_get_by_index+0x5e/0x80 [19303.993870][ T7704] fib6_nh_init+0x3d8/0x15b0 [19303.993870][ T7704] ip6_route_info_create+0xf18/0x17d0 [19303.993870][ T7704] ip6_route_add+0x1c/0x140 [19303.993870][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19303.993870][ T7704] addrconf_add_dev+0xe2/0x170 [19303.993870][ T7704] inet6_addr_add+0x12f/0xa40 [19303.993870][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19303.993870][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19303.993870][ T7704] netlink_rcv_skb+0x130/0x360 [19303.993870][ T7704] netlink_unicast+0x449/0x710 [19303.993870][ T7704] netlink_sendmsg+0x723/0xbe0 [19303.993870][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19303.993870][ T7704] ___sys_sendmsg+0xee/0x170 [19303.993870][ T7704] __sys_sendmsg+0xcd/0x170 [19303.993870][ T7704] do_syscall_64+0xc6/0x1e0 [19303.993870][ T7704] [19303.996082][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19303.996082][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19303.996082][ T7704] ipv6_find_idev+0x102/0x170 [19303.996082][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19303.996082][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19303.996082][ T7704] netlink_rcv_skb+0x130/0x360 [19303.996082][ T7704] netlink_unicast+0x449/0x710 [19303.996082][ T7704] netlink_sendmsg+0x723/0xbe0 [19303.996082][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19303.996082][ T7704] ___sys_sendmsg+0xee/0x170 [19303.996082][ T7704] __sys_sendmsg+0xcd/0x170 [19303.996082][ T7704] do_syscall_64+0xc6/0x1e0 [19303.996082][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19303.996082][ T7704] [19303.997803][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19303.997803][ T7704] neigh_parms_alloc+0x1e5/0x510 [19303.997803][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19303.997803][ T7704] ipv6_find_idev+0x102/0x170 [19303.997803][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19303.997803][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19303.997803][ T7704] netlink_rcv_skb+0x130/0x360 [19303.997803][ T7704] netlink_unicast+0x449/0x710 [19303.997803][ T7704] netlink_sendmsg+0x723/0xbe0 [19303.997803][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19303.997803][ T7704] ___sys_sendmsg+0xee/0x170 [19303.997803][ T7704] __sys_sendmsg+0xcd/0x170 [19303.997803][ T7704] do_syscall_64+0xc6/0x1e0 [19303.997803][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19303.997803][ T7704] [19314.044803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19314.045305][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19314.045305][ T7704] netdev_get_by_index+0x5e/0x80 [19314.045305][ T7704] fib6_nh_init+0x3d8/0x15b0 [19314.045305][ T7704] ip6_route_info_create+0xf18/0x17d0 [19314.045305][ T7704] ip6_route_add+0x1c/0x140 [19314.045305][ T7704] addrconf_prefix_route+0x2a6/0x430 [19314.045305][ T7704] inet6_addr_add+0x4f8/0xa40 [19314.045305][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19314.045305][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19314.045305][ T7704] netlink_rcv_skb+0x130/0x360 [19314.045305][ T7704] netlink_unicast+0x449/0x710 [19314.045305][ T7704] netlink_sendmsg+0x723/0xbe0 [19314.045305][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19314.045305][ T7704] ___sys_sendmsg+0xee/0x170 [19314.045305][ T7704] __sys_sendmsg+0xcd/0x170 [19314.045305][ T7704] do_syscall_64+0xc6/0x1e0 [19314.045305][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19314.045305][ T7704] [19314.047573][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19314.047573][ T7704] netdev_get_by_index+0x5e/0x80 [19314.047573][ T7704] fib6_nh_init+0x3d8/0x15b0 [19314.047573][ T7704] ip6_route_info_create+0xf18/0x17d0 [19314.047573][ T7704] addrconf_f6i_alloc+0x315/0x560 [19314.047573][ T7704] ipv6_add_addr+0x411/0x2000 [19314.047573][ T7704] inet6_addr_add+0x30e/0xa40 [19314.047573][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19314.047573][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19314.047573][ T7704] netlink_rcv_skb+0x130/0x360 [19314.047573][ T7704] netlink_unicast+0x449/0x710 [19314.047573][ T7704] netlink_sendmsg+0x723/0xbe0 [19314.047573][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19314.047573][ T7704] ___sys_sendmsg+0xee/0x170 [19314.047573][ T7704] __sys_sendmsg+0xcd/0x170 [19314.047573][ T7704] do_syscall_64+0xc6/0x1e0 [19314.047573][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19314.047573][ T7704] [19314.049802][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19314.049802][ T7704] netdev_get_by_index+0x5e/0x80 [19314.049802][ T7704] fib6_nh_init+0x3d8/0x15b0 [19314.049802][ T7704] ip6_route_info_create+0xf18/0x17d0 [19314.049802][ T7704] ip6_route_add+0x1c/0x140 [19314.049802][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19314.049802][ T7704] addrconf_add_dev+0xe2/0x170 [19314.049802][ T7704] inet6_addr_add+0x12f/0xa40 [19314.049802][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19314.049802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19314.049802][ T7704] netlink_rcv_skb+0x130/0x360 [19314.049802][ T7704] netlink_unicast+0x449/0x710 [19314.049802][ T7704] netlink_sendmsg+0x723/0xbe0 [19314.049802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19314.049802][ T7704] ___sys_sendmsg+0xee/0x170 [19314.049802][ T7704] __sys_sendmsg+0xcd/0x170 [19314.049802][ T7704] do_syscall_64+0xc6/0x1e0 [19314.049802][ T7704] [19314.052010][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19314.052010][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19314.052010][ T7704] ipv6_find_idev+0x102/0x170 [19314.052010][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19314.052010][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19314.052010][ T7704] netlink_rcv_skb+0x130/0x360 [19314.052010][ T7704] netlink_unicast+0x449/0x710 [19314.052010][ T7704] netlink_sendmsg+0x723/0xbe0 [19314.052010][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19314.052010][ T7704] ___sys_sendmsg+0xee/0x170 [19314.052010][ T7704] __sys_sendmsg+0xcd/0x170 [19314.052010][ T7704] do_syscall_64+0xc6/0x1e0 [19314.052010][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19314.052010][ T7704] [19314.053738][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19314.053738][ T7704] neigh_parms_alloc+0x1e5/0x510 [19314.053738][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19314.053738][ T7704] ipv6_find_idev+0x102/0x170 [19314.053738][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19314.053738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19314.053738][ T7704] netlink_rcv_skb+0x130/0x360 [19314.053738][ T7704] netlink_unicast+0x449/0x710 [19314.053738][ T7704] netlink_sendmsg+0x723/0xbe0 [19314.053738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19314.053738][ T7704] ___sys_sendmsg+0xee/0x170 [19314.053738][ T7704] __sys_sendmsg+0xcd/0x170 [19314.053738][ T7704] do_syscall_64+0xc6/0x1e0 [19314.053738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19314.053738][ T7704] [19324.292848][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19324.293379][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19324.293379][ T7704] netdev_get_by_index+0x5e/0x80 [19324.293379][ T7704] fib6_nh_init+0x3d8/0x15b0 [19324.293379][ T7704] ip6_route_info_create+0xf18/0x17d0 [19324.293379][ T7704] ip6_route_add+0x1c/0x140 [19324.293379][ T7704] addrconf_prefix_route+0x2a6/0x430 [19324.293379][ T7704] inet6_addr_add+0x4f8/0xa40 [19324.293379][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19324.293379][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19324.293379][ T7704] netlink_rcv_skb+0x130/0x360 [19324.293379][ T7704] netlink_unicast+0x449/0x710 [19324.293379][ T7704] netlink_sendmsg+0x723/0xbe0 [19324.293379][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19324.293379][ T7704] ___sys_sendmsg+0xee/0x170 [19324.293379][ T7704] __sys_sendmsg+0xcd/0x170 [19324.293379][ T7704] do_syscall_64+0xc6/0x1e0 [19324.293379][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19324.293379][ T7704] [19324.295655][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19324.295655][ T7704] netdev_get_by_index+0x5e/0x80 [19324.295655][ T7704] fib6_nh_init+0x3d8/0x15b0 [19324.295655][ T7704] ip6_route_info_create+0xf18/0x17d0 [19324.295655][ T7704] addrconf_f6i_alloc+0x315/0x560 [19324.295655][ T7704] ipv6_add_addr+0x411/0x2000 [19324.295655][ T7704] inet6_addr_add+0x30e/0xa40 [19324.295655][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19324.295655][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19324.295655][ T7704] netlink_rcv_skb+0x130/0x360 [19324.295655][ T7704] netlink_unicast+0x449/0x710 [19324.295655][ T7704] netlink_sendmsg+0x723/0xbe0 [19324.295655][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19324.295655][ T7704] ___sys_sendmsg+0xee/0x170 [19324.295655][ T7704] __sys_sendmsg+0xcd/0x170 [19324.295655][ T7704] do_syscall_64+0xc6/0x1e0 [19324.295655][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19324.295655][ T7704] [19324.297896][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19324.297896][ T7704] netdev_get_by_index+0x5e/0x80 [19324.297896][ T7704] fib6_nh_init+0x3d8/0x15b0 [19324.297896][ T7704] ip6_route_info_create+0xf18/0x17d0 [19324.297896][ T7704] ip6_route_add+0x1c/0x140 [19324.297896][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19324.297896][ T7704] addrconf_add_dev+0xe2/0x170 [19324.297896][ T7704] inet6_addr_add+0x12f/0xa40 [19324.297896][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19324.297896][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19324.297896][ T7704] netlink_rcv_skb+0x130/0x360 [19324.297896][ T7704] netlink_unicast+0x449/0x710 [19324.297896][ T7704] netlink_sendmsg+0x723/0xbe0 [19324.297896][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19324.297896][ T7704] ___sys_sendmsg+0xee/0x170 [19324.297896][ T7704] __sys_sendmsg+0xcd/0x170 [19324.297896][ T7704] do_syscall_64+0xc6/0x1e0 [19324.297896][ T7704] [19324.300087][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19324.300087][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19324.300087][ T7704] ipv6_find_idev+0x102/0x170 [19324.300087][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19324.300087][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19324.300087][ T7704] netlink_rcv_skb+0x130/0x360 [19324.300087][ T7704] netlink_unicast+0x449/0x710 [19324.300087][ T7704] netlink_sendmsg+0x723/0xbe0 [19324.300087][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19324.300087][ T7704] ___sys_sendmsg+0xee/0x170 [19324.300087][ T7704] __sys_sendmsg+0xcd/0x170 [19324.300087][ T7704] do_syscall_64+0xc6/0x1e0 [19324.300087][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19324.300087][ T7704] [19324.301806][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19324.301806][ T7704] neigh_parms_alloc+0x1e5/0x510 [19324.301806][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19324.301806][ T7704] ipv6_find_idev+0x102/0x170 [19324.301806][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19324.301806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19324.301806][ T7704] netlink_rcv_skb+0x130/0x360 [19324.301806][ T7704] netlink_unicast+0x449/0x710 [19324.301806][ T7704] netlink_sendmsg+0x723/0xbe0 [19324.301806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19324.301806][ T7704] ___sys_sendmsg+0xee/0x170 [19324.301806][ T7704] __sys_sendmsg+0xcd/0x170 [19324.301806][ T7704] do_syscall_64+0xc6/0x1e0 [19324.301806][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19324.301806][ T7704] [19334.308791][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19334.309265][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19334.309265][ T7704] netdev_get_by_index+0x5e/0x80 [19334.309265][ T7704] fib6_nh_init+0x3d8/0x15b0 [19334.309265][ T7704] ip6_route_info_create+0xf18/0x17d0 [19334.309265][ T7704] ip6_route_add+0x1c/0x140 [19334.309265][ T7704] addrconf_prefix_route+0x2a6/0x430 [19334.309265][ T7704] inet6_addr_add+0x4f8/0xa40 [19334.309265][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19334.309265][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19334.309265][ T7704] netlink_rcv_skb+0x130/0x360 [19334.309265][ T7704] netlink_unicast+0x449/0x710 [19334.309265][ T7704] netlink_sendmsg+0x723/0xbe0 [19334.309265][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19334.309265][ T7704] ___sys_sendmsg+0xee/0x170 [19334.309265][ T7704] __sys_sendmsg+0xcd/0x170 [19334.309265][ T7704] do_syscall_64+0xc6/0x1e0 [19334.309265][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19334.309265][ T7704] [19334.311567][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19334.311567][ T7704] netdev_get_by_index+0x5e/0x80 [19334.311567][ T7704] fib6_nh_init+0x3d8/0x15b0 [19334.311567][ T7704] ip6_route_info_create+0xf18/0x17d0 [19334.311567][ T7704] addrconf_f6i_alloc+0x315/0x560 [19334.311567][ T7704] ipv6_add_addr+0x411/0x2000 [19334.311567][ T7704] inet6_addr_add+0x30e/0xa40 [19334.311567][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19334.311567][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19334.311567][ T7704] netlink_rcv_skb+0x130/0x360 [19334.311567][ T7704] netlink_unicast+0x449/0x710 [19334.311567][ T7704] netlink_sendmsg+0x723/0xbe0 [19334.311567][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19334.311567][ T7704] ___sys_sendmsg+0xee/0x170 [19334.311567][ T7704] __sys_sendmsg+0xcd/0x170 [19334.311567][ T7704] do_syscall_64+0xc6/0x1e0 [19334.311567][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19334.311567][ T7704] [19334.313916][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19334.313916][ T7704] netdev_get_by_index+0x5e/0x80 [19334.313916][ T7704] fib6_nh_init+0x3d8/0x15b0 [19334.313916][ T7704] ip6_route_info_create+0xf18/0x17d0 [19334.313916][ T7704] ip6_route_add+0x1c/0x140 [19334.313916][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19334.313916][ T7704] addrconf_add_dev+0xe2/0x170 [19334.313916][ T7704] inet6_addr_add+0x12f/0xa40 [19334.313916][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19334.313916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19334.313916][ T7704] netlink_rcv_skb+0x130/0x360 [19334.313916][ T7704] netlink_unicast+0x449/0x710 [19334.313916][ T7704] netlink_sendmsg+0x723/0xbe0 [19334.313916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19334.313916][ T7704] ___sys_sendmsg+0xee/0x170 [19334.313916][ T7704] __sys_sendmsg+0xcd/0x170 [19334.313916][ T7704] do_syscall_64+0xc6/0x1e0 [19334.313916][ T7704] [19334.316780][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19334.316780][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19334.316780][ T7704] ipv6_find_idev+0x102/0x170 [19334.316780][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19334.316780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19334.316780][ T7704] netlink_rcv_skb+0x130/0x360 [19334.316780][ T7704] netlink_unicast+0x449/0x710 [19334.316780][ T7704] netlink_sendmsg+0x723/0xbe0 [19334.316780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19334.316780][ T7704] ___sys_sendmsg+0xee/0x170 [19334.316780][ T7704] __sys_sendmsg+0xcd/0x170 [19334.316780][ T7704] do_syscall_64+0xc6/0x1e0 [19334.316780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19334.316780][ T7704] [19334.318568][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19334.318568][ T7704] neigh_parms_alloc+0x1e5/0x510 [19334.318568][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19334.318568][ T7704] ipv6_find_idev+0x102/0x170 [19334.318568][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19334.318568][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19334.318568][ T7704] netlink_rcv_skb+0x130/0x360 [19334.318568][ T7704] netlink_unicast+0x449/0x710 [19334.318568][ T7704] netlink_sendmsg+0x723/0xbe0 [19334.318568][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19334.318568][ T7704] ___sys_sendmsg+0xee/0x170 [19334.318568][ T7704] __sys_sendmsg+0xcd/0x170 [19334.318568][ T7704] do_syscall_64+0xc6/0x1e0 [19334.318568][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19334.318568][ T7704] [19344.332835][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19344.333298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19344.333298][ T7704] netdev_get_by_index+0x5e/0x80 [19344.333298][ T7704] fib6_nh_init+0x3d8/0x15b0 [19344.333298][ T7704] ip6_route_info_create+0xf18/0x17d0 [19344.333298][ T7704] ip6_route_add+0x1c/0x140 [19344.333298][ T7704] addrconf_prefix_route+0x2a6/0x430 [19344.333298][ T7704] inet6_addr_add+0x4f8/0xa40 [19344.333298][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19344.333298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19344.333298][ T7704] netlink_rcv_skb+0x130/0x360 [19344.333298][ T7704] netlink_unicast+0x449/0x710 [19344.333298][ T7704] netlink_sendmsg+0x723/0xbe0 [19344.333298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19344.333298][ T7704] ___sys_sendmsg+0xee/0x170 [19344.333298][ T7704] __sys_sendmsg+0xcd/0x170 [19344.333298][ T7704] do_syscall_64+0xc6/0x1e0 [19344.333298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19344.333298][ T7704] [19344.335549][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19344.335549][ T7704] netdev_get_by_index+0x5e/0x80 [19344.335549][ T7704] fib6_nh_init+0x3d8/0x15b0 [19344.335549][ T7704] ip6_route_info_create+0xf18/0x17d0 [19344.335549][ T7704] addrconf_f6i_alloc+0x315/0x560 [19344.335549][ T7704] ipv6_add_addr+0x411/0x2000 [19344.335549][ T7704] inet6_addr_add+0x30e/0xa40 [19344.335549][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19344.335549][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19344.335549][ T7704] netlink_rcv_skb+0x130/0x360 [19344.335549][ T7704] netlink_unicast+0x449/0x710 [19344.335549][ T7704] netlink_sendmsg+0x723/0xbe0 [19344.335549][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19344.335549][ T7704] ___sys_sendmsg+0xee/0x170 [19344.335549][ T7704] __sys_sendmsg+0xcd/0x170 [19344.335549][ T7704] do_syscall_64+0xc6/0x1e0 [19344.335549][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19344.335549][ T7704] [19344.337776][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19344.337776][ T7704] netdev_get_by_index+0x5e/0x80 [19344.337776][ T7704] fib6_nh_init+0x3d8/0x15b0 [19344.337776][ T7704] ip6_route_info_create+0xf18/0x17d0 [19344.337776][ T7704] ip6_route_add+0x1c/0x140 [19344.337776][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19344.337776][ T7704] addrconf_add_dev+0xe2/0x170 [19344.337776][ T7704] inet6_addr_add+0x12f/0xa40 [19344.337776][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19344.337776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19344.337776][ T7704] netlink_rcv_skb+0x130/0x360 [19344.337776][ T7704] netlink_unicast+0x449/0x710 [19344.337776][ T7704] netlink_sendmsg+0x723/0xbe0 [19344.337776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19344.337776][ T7704] ___sys_sendmsg+0xee/0x170 [19344.337776][ T7704] __sys_sendmsg+0xcd/0x170 [19344.337776][ T7704] do_syscall_64+0xc6/0x1e0 [19344.337776][ T7704] [19344.339968][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19344.339968][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19344.339968][ T7704] ipv6_find_idev+0x102/0x170 [19344.339968][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19344.339968][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19344.339968][ T7704] netlink_rcv_skb+0x130/0x360 [19344.339968][ T7704] netlink_unicast+0x449/0x710 [19344.339968][ T7704] netlink_sendmsg+0x723/0xbe0 [19344.339968][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19344.339968][ T7704] ___sys_sendmsg+0xee/0x170 [19344.339968][ T7704] __sys_sendmsg+0xcd/0x170 [19344.339968][ T7704] do_syscall_64+0xc6/0x1e0 [19344.339968][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19344.339968][ T7704] [19344.341710][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19344.341710][ T7704] neigh_parms_alloc+0x1e5/0x510 [19344.341710][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19344.341710][ T7704] ipv6_find_idev+0x102/0x170 [19344.341710][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19344.341710][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19344.341710][ T7704] netlink_rcv_skb+0x130/0x360 [19344.341710][ T7704] netlink_unicast+0x449/0x710 [19344.341710][ T7704] netlink_sendmsg+0x723/0xbe0 [19344.341710][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19344.341710][ T7704] ___sys_sendmsg+0xee/0x170 [19344.341710][ T7704] __sys_sendmsg+0xcd/0x170 [19344.341710][ T7704] do_syscall_64+0xc6/0x1e0 [19344.341710][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19344.341710][ T7704] [19354.596864][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19354.597391][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19354.597391][ T7704] netdev_get_by_index+0x5e/0x80 [19354.597391][ T7704] fib6_nh_init+0x3d8/0x15b0 [19354.597391][ T7704] ip6_route_info_create+0xf18/0x17d0 [19354.597391][ T7704] ip6_route_add+0x1c/0x140 [19354.597391][ T7704] addrconf_prefix_route+0x2a6/0x430 [19354.597391][ T7704] inet6_addr_add+0x4f8/0xa40 [19354.597391][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19354.597391][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19354.597391][ T7704] netlink_rcv_skb+0x130/0x360 [19354.597391][ T7704] netlink_unicast+0x449/0x710 [19354.597391][ T7704] netlink_sendmsg+0x723/0xbe0 [19354.597391][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19354.597391][ T7704] ___sys_sendmsg+0xee/0x170 [19354.597391][ T7704] __sys_sendmsg+0xcd/0x170 [19354.597391][ T7704] do_syscall_64+0xc6/0x1e0 [19354.597391][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19354.597391][ T7704] [19354.600028][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19354.600028][ T7704] netdev_get_by_index+0x5e/0x80 [19354.600028][ T7704] fib6_nh_init+0x3d8/0x15b0 [19354.600028][ T7704] ip6_route_info_create+0xf18/0x17d0 [19354.600028][ T7704] addrconf_f6i_alloc+0x315/0x560 [19354.600028][ T7704] ipv6_add_addr+0x411/0x2000 [19354.600028][ T7704] inet6_addr_add+0x30e/0xa40 [19354.600028][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19354.600028][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19354.600028][ T7704] netlink_rcv_skb+0x130/0x360 [19354.600028][ T7704] netlink_unicast+0x449/0x710 [19354.600028][ T7704] netlink_sendmsg+0x723/0xbe0 [19354.600028][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19354.600028][ T7704] ___sys_sendmsg+0xee/0x170 [19354.600028][ T7704] __sys_sendmsg+0xcd/0x170 [19354.600028][ T7704] do_syscall_64+0xc6/0x1e0 [19354.600028][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19354.600028][ T7704] [19354.602255][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19354.602255][ T7704] netdev_get_by_index+0x5e/0x80 [19354.602255][ T7704] fib6_nh_init+0x3d8/0x15b0 [19354.602255][ T7704] ip6_route_info_create+0xf18/0x17d0 [19354.602255][ T7704] ip6_route_add+0x1c/0x140 [19354.602255][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19354.602255][ T7704] addrconf_add_dev+0xe2/0x170 [19354.602255][ T7704] inet6_addr_add+0x12f/0xa40 [19354.602255][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19354.602255][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19354.602255][ T7704] netlink_rcv_skb+0x130/0x360 [19354.602255][ T7704] netlink_unicast+0x449/0x710 [19354.602255][ T7704] netlink_sendmsg+0x723/0xbe0 [19354.602255][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19354.602255][ T7704] ___sys_sendmsg+0xee/0x170 [19354.602255][ T7704] __sys_sendmsg+0xcd/0x170 [19354.602255][ T7704] do_syscall_64+0xc6/0x1e0 [19354.602255][ T7704] [19354.604468][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19354.604468][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19354.604468][ T7704] ipv6_find_idev+0x102/0x170 [19354.604468][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19354.604468][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19354.604468][ T7704] netlink_rcv_skb+0x130/0x360 [19354.604468][ T7704] netlink_unicast+0x449/0x710 [19354.604468][ T7704] netlink_sendmsg+0x723/0xbe0 [19354.604468][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19354.604468][ T7704] ___sys_sendmsg+0xee/0x170 [19354.604468][ T7704] __sys_sendmsg+0xcd/0x170 [19354.604468][ T7704] do_syscall_64+0xc6/0x1e0 [19354.604468][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19354.604468][ T7704] [19354.606171][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19354.606171][ T7704] neigh_parms_alloc+0x1e5/0x510 [19354.606171][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19354.606171][ T7704] ipv6_find_idev+0x102/0x170 [19354.606171][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19354.606171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19354.606171][ T7704] netlink_rcv_skb+0x130/0x360 [19354.606171][ T7704] netlink_unicast+0x449/0x710 [19354.606171][ T7704] netlink_sendmsg+0x723/0xbe0 [19354.606171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19354.606171][ T7704] ___sys_sendmsg+0xee/0x170 [19354.606171][ T7704] __sys_sendmsg+0xcd/0x170 [19354.606171][ T7704] do_syscall_64+0xc6/0x1e0 [19354.606171][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19354.606171][ T7704] [19364.628834][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19364.629554][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19364.629554][ T7704] netdev_get_by_index+0x5e/0x80 [19364.629554][ T7704] fib6_nh_init+0x3d8/0x15b0 [19364.629554][ T7704] ip6_route_info_create+0xf18/0x17d0 [19364.629554][ T7704] ip6_route_add+0x1c/0x140 [19364.629554][ T7704] addrconf_prefix_route+0x2a6/0x430 [19364.629554][ T7704] inet6_addr_add+0x4f8/0xa40 [19364.629554][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19364.629554][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19364.629554][ T7704] netlink_rcv_skb+0x130/0x360 [19364.629554][ T7704] netlink_unicast+0x449/0x710 [19364.629554][ T7704] netlink_sendmsg+0x723/0xbe0 [19364.629554][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19364.629554][ T7704] ___sys_sendmsg+0xee/0x170 [19364.629554][ T7704] __sys_sendmsg+0xcd/0x170 [19364.629554][ T7704] do_syscall_64+0xc6/0x1e0 [19364.629554][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19364.629554][ T7704] [19364.633213][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19364.633213][ T7704] netdev_get_by_index+0x5e/0x80 [19364.633213][ T7704] fib6_nh_init+0x3d8/0x15b0 [19364.633213][ T7704] ip6_route_info_create+0xf18/0x17d0 [19364.633213][ T7704] addrconf_f6i_alloc+0x315/0x560 [19364.633213][ T7704] ipv6_add_addr+0x411/0x2000 [19364.633213][ T7704] inet6_addr_add+0x30e/0xa40 [19364.633213][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19364.633213][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19364.633213][ T7704] netlink_rcv_skb+0x130/0x360 [19364.633213][ T7704] netlink_unicast+0x449/0x710 [19364.633213][ T7704] netlink_sendmsg+0x723/0xbe0 [19364.633213][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19364.633213][ T7704] ___sys_sendmsg+0xee/0x170 [19364.633213][ T7704] __sys_sendmsg+0xcd/0x170 [19364.633213][ T7704] do_syscall_64+0xc6/0x1e0 [19364.633213][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19364.633213][ T7704] [19364.636831][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19364.636831][ T7704] netdev_get_by_index+0x5e/0x80 [19364.636831][ T7704] fib6_nh_init+0x3d8/0x15b0 [19364.636831][ T7704] ip6_route_info_create+0xf18/0x17d0 [19364.636831][ T7704] ip6_route_add+0x1c/0x140 [19364.636831][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19364.636831][ T7704] addrconf_add_dev+0xe2/0x170 [19364.636831][ T7704] inet6_addr_add+0x12f/0xa40 [19364.636831][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19364.636831][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19364.636831][ T7704] netlink_rcv_skb+0x130/0x360 [19364.636831][ T7704] netlink_unicast+0x449/0x710 [19364.636831][ T7704] netlink_sendmsg+0x723/0xbe0 [19364.636831][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19364.636831][ T7704] ___sys_sendmsg+0xee/0x170 [19364.636831][ T7704] __sys_sendmsg+0xcd/0x170 [19364.636831][ T7704] do_syscall_64+0xc6/0x1e0 [19364.636831][ T7704] [19364.640375][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19364.640375][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19364.640375][ T7704] ipv6_find_idev+0x102/0x170 [19364.640375][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19364.640375][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19364.640375][ T7704] netlink_rcv_skb+0x130/0x360 [19364.640375][ T7704] netlink_unicast+0x449/0x710 [19364.640375][ T7704] netlink_sendmsg+0x723/0xbe0 [19364.640375][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19364.640375][ T7704] ___sys_sendmsg+0xee/0x170 [19364.640375][ T7704] __sys_sendmsg+0xcd/0x170 [19364.640375][ T7704] do_syscall_64+0xc6/0x1e0 [19364.640375][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19364.640375][ T7704] [19364.643174][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19364.643174][ T7704] neigh_parms_alloc+0x1e5/0x510 [19364.643174][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19364.643174][ T7704] ipv6_find_idev+0x102/0x170 [19364.643174][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19364.643174][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19364.643174][ T7704] netlink_rcv_skb+0x130/0x360 [19364.643174][ T7704] netlink_unicast+0x449/0x710 [19364.643174][ T7704] netlink_sendmsg+0x723/0xbe0 [19364.643174][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19364.643174][ T7704] ___sys_sendmsg+0xee/0x170 [19364.643174][ T7704] __sys_sendmsg+0xcd/0x170 [19364.643174][ T7704] do_syscall_64+0xc6/0x1e0 [19364.643174][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19364.643174][ T7704] [19374.676806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19374.677328][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19374.677328][ T7704] netdev_get_by_index+0x5e/0x80 [19374.677328][ T7704] fib6_nh_init+0x3d8/0x15b0 [19374.677328][ T7704] ip6_route_info_create+0xf18/0x17d0 [19374.677328][ T7704] ip6_route_add+0x1c/0x140 [19374.677328][ T7704] addrconf_prefix_route+0x2a6/0x430 [19374.677328][ T7704] inet6_addr_add+0x4f8/0xa40 [19374.677328][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19374.677328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19374.677328][ T7704] netlink_rcv_skb+0x130/0x360 [19374.677328][ T7704] netlink_unicast+0x449/0x710 [19374.677328][ T7704] netlink_sendmsg+0x723/0xbe0 [19374.677328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19374.677328][ T7704] ___sys_sendmsg+0xee/0x170 [19374.677328][ T7704] __sys_sendmsg+0xcd/0x170 [19374.677328][ T7704] do_syscall_64+0xc6/0x1e0 [19374.677328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19374.677328][ T7704] [19374.679564][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19374.679564][ T7704] netdev_get_by_index+0x5e/0x80 [19374.679564][ T7704] fib6_nh_init+0x3d8/0x15b0 [19374.679564][ T7704] ip6_route_info_create+0xf18/0x17d0 [19374.679564][ T7704] addrconf_f6i_alloc+0x315/0x560 [19374.679564][ T7704] ipv6_add_addr+0x411/0x2000 [19374.679564][ T7704] inet6_addr_add+0x30e/0xa40 [19374.679564][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19374.679564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19374.679564][ T7704] netlink_rcv_skb+0x130/0x360 [19374.679564][ T7704] netlink_unicast+0x449/0x710 [19374.679564][ T7704] netlink_sendmsg+0x723/0xbe0 [19374.679564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19374.679564][ T7704] ___sys_sendmsg+0xee/0x170 [19374.679564][ T7704] __sys_sendmsg+0xcd/0x170 [19374.679564][ T7704] do_syscall_64+0xc6/0x1e0 [19374.679564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19374.679564][ T7704] [19374.681784][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19374.681784][ T7704] netdev_get_by_index+0x5e/0x80 [19374.681784][ T7704] fib6_nh_init+0x3d8/0x15b0 [19374.681784][ T7704] ip6_route_info_create+0xf18/0x17d0 [19374.681784][ T7704] ip6_route_add+0x1c/0x140 [19374.681784][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19374.681784][ T7704] addrconf_add_dev+0xe2/0x170 [19374.681784][ T7704] inet6_addr_add+0x12f/0xa40 [19374.681784][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19374.681784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19374.681784][ T7704] netlink_rcv_skb+0x130/0x360 [19374.681784][ T7704] netlink_unicast+0x449/0x710 [19374.681784][ T7704] netlink_sendmsg+0x723/0xbe0 [19374.681784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19374.681784][ T7704] ___sys_sendmsg+0xee/0x170 [19374.681784][ T7704] __sys_sendmsg+0xcd/0x170 [19374.681784][ T7704] do_syscall_64+0xc6/0x1e0 [19374.681784][ T7704] [19374.683971][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19374.683971][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19374.683971][ T7704] ipv6_find_idev+0x102/0x170 [19374.683971][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19374.683971][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19374.683971][ T7704] netlink_rcv_skb+0x130/0x360 [19374.683971][ T7704] netlink_unicast+0x449/0x710 [19374.683971][ T7704] netlink_sendmsg+0x723/0xbe0 [19374.683971][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19374.683971][ T7704] ___sys_sendmsg+0xee/0x170 [19374.683971][ T7704] __sys_sendmsg+0xcd/0x170 [19374.683971][ T7704] do_syscall_64+0xc6/0x1e0 [19374.683971][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19374.683971][ T7704] [19374.685675][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19374.685675][ T7704] neigh_parms_alloc+0x1e5/0x510 [19374.685675][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19374.685675][ T7704] ipv6_find_idev+0x102/0x170 [19374.685675][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19374.685675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19374.685675][ T7704] netlink_rcv_skb+0x130/0x360 [19374.685675][ T7704] netlink_unicast+0x449/0x710 [19374.685675][ T7704] netlink_sendmsg+0x723/0xbe0 [19374.685675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19374.685675][ T7704] ___sys_sendmsg+0xee/0x170 [19374.685675][ T7704] __sys_sendmsg+0xcd/0x170 [19374.685675][ T7704] do_syscall_64+0xc6/0x1e0 [19374.685675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19374.685675][ T7704] [19384.724831][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19384.725353][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19384.725353][ T7704] netdev_get_by_index+0x5e/0x80 [19384.725353][ T7704] fib6_nh_init+0x3d8/0x15b0 [19384.725353][ T7704] ip6_route_info_create+0xf18/0x17d0 [19384.725353][ T7704] ip6_route_add+0x1c/0x140 [19384.725353][ T7704] addrconf_prefix_route+0x2a6/0x430 [19384.725353][ T7704] inet6_addr_add+0x4f8/0xa40 [19384.725353][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19384.725353][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19384.725353][ T7704] netlink_rcv_skb+0x130/0x360 [19384.725353][ T7704] netlink_unicast+0x449/0x710 [19384.725353][ T7704] netlink_sendmsg+0x723/0xbe0 [19384.725353][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19384.725353][ T7704] ___sys_sendmsg+0xee/0x170 [19384.725353][ T7704] __sys_sendmsg+0xcd/0x170 [19384.725353][ T7704] do_syscall_64+0xc6/0x1e0 [19384.725353][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19384.725353][ T7704] [19384.727628][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19384.727628][ T7704] netdev_get_by_index+0x5e/0x80 [19384.727628][ T7704] fib6_nh_init+0x3d8/0x15b0 [19384.727628][ T7704] ip6_route_info_create+0xf18/0x17d0 [19384.727628][ T7704] addrconf_f6i_alloc+0x315/0x560 [19384.727628][ T7704] ipv6_add_addr+0x411/0x2000 [19384.727628][ T7704] inet6_addr_add+0x30e/0xa40 [19384.727628][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19384.727628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19384.727628][ T7704] netlink_rcv_skb+0x130/0x360 [19384.727628][ T7704] netlink_unicast+0x449/0x710 [19384.727628][ T7704] netlink_sendmsg+0x723/0xbe0 [19384.727628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19384.727628][ T7704] ___sys_sendmsg+0xee/0x170 [19384.727628][ T7704] __sys_sendmsg+0xcd/0x170 [19384.727628][ T7704] do_syscall_64+0xc6/0x1e0 [19384.727628][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19384.727628][ T7704] [19384.729919][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19384.729919][ T7704] netdev_get_by_index+0x5e/0x80 [19384.729919][ T7704] fib6_nh_init+0x3d8/0x15b0 [19384.729919][ T7704] ip6_route_info_create+0xf18/0x17d0 [19384.729919][ T7704] ip6_route_add+0x1c/0x140 [19384.729919][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19384.729919][ T7704] addrconf_add_dev+0xe2/0x170 [19384.729919][ T7704] inet6_addr_add+0x12f/0xa40 [19384.729919][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19384.729919][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19384.729919][ T7704] netlink_rcv_skb+0x130/0x360 [19384.729919][ T7704] netlink_unicast+0x449/0x710 [19384.729919][ T7704] netlink_sendmsg+0x723/0xbe0 [19384.729919][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19384.729919][ T7704] ___sys_sendmsg+0xee/0x170 [19384.729919][ T7704] __sys_sendmsg+0xcd/0x170 [19384.729919][ T7704] do_syscall_64+0xc6/0x1e0 [19384.729919][ T7704] [19384.732161][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19384.732161][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19384.732161][ T7704] ipv6_find_idev+0x102/0x170 [19384.732161][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19384.732161][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19384.732161][ T7704] netlink_rcv_skb+0x130/0x360 [19384.732161][ T7704] netlink_unicast+0x449/0x710 [19384.732161][ T7704] netlink_sendmsg+0x723/0xbe0 [19384.732161][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19384.732161][ T7704] ___sys_sendmsg+0xee/0x170 [19384.732161][ T7704] __sys_sendmsg+0xcd/0x170 [19384.732161][ T7704] do_syscall_64+0xc6/0x1e0 [19384.732161][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19384.732161][ T7704] [19384.733912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19384.733912][ T7704] neigh_parms_alloc+0x1e5/0x510 [19384.733912][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19384.733912][ T7704] ipv6_find_idev+0x102/0x170 [19384.733912][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19384.733912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19384.733912][ T7704] netlink_rcv_skb+0x130/0x360 [19384.733912][ T7704] netlink_unicast+0x449/0x710 [19384.733912][ T7704] netlink_sendmsg+0x723/0xbe0 [19384.733912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19384.733912][ T7704] ___sys_sendmsg+0xee/0x170 [19384.733912][ T7704] __sys_sendmsg+0xcd/0x170 [19384.733912][ T7704] do_syscall_64+0xc6/0x1e0 [19384.733912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19384.733912][ T7704] [19394.988825][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19394.989354][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19394.989354][ T7704] netdev_get_by_index+0x5e/0x80 [19394.989354][ T7704] fib6_nh_init+0x3d8/0x15b0 [19394.989354][ T7704] ip6_route_info_create+0xf18/0x17d0 [19394.989354][ T7704] ip6_route_add+0x1c/0x140 [19394.989354][ T7704] addrconf_prefix_route+0x2a6/0x430 [19394.989354][ T7704] inet6_addr_add+0x4f8/0xa40 [19394.989354][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19394.989354][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19394.989354][ T7704] netlink_rcv_skb+0x130/0x360 [19394.989354][ T7704] netlink_unicast+0x449/0x710 [19394.989354][ T7704] netlink_sendmsg+0x723/0xbe0 [19394.989354][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19394.989354][ T7704] ___sys_sendmsg+0xee/0x170 [19394.989354][ T7704] __sys_sendmsg+0xcd/0x170 [19394.989354][ T7704] do_syscall_64+0xc6/0x1e0 [19394.989354][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19394.989354][ T7704] [19394.991590][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19394.991590][ T7704] netdev_get_by_index+0x5e/0x80 [19394.991590][ T7704] fib6_nh_init+0x3d8/0x15b0 [19394.991590][ T7704] ip6_route_info_create+0xf18/0x17d0 [19394.991590][ T7704] addrconf_f6i_alloc+0x315/0x560 [19394.991590][ T7704] ipv6_add_addr+0x411/0x2000 [19394.991590][ T7704] inet6_addr_add+0x30e/0xa40 [19394.991590][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19394.991590][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19394.991590][ T7704] netlink_rcv_skb+0x130/0x360 [19394.991590][ T7704] netlink_unicast+0x449/0x710 [19394.991590][ T7704] netlink_sendmsg+0x723/0xbe0 [19394.991590][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19394.991590][ T7704] ___sys_sendmsg+0xee/0x170 [19394.991590][ T7704] __sys_sendmsg+0xcd/0x170 [19394.991590][ T7704] do_syscall_64+0xc6/0x1e0 [19394.991590][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19394.991590][ T7704] [19394.993820][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19394.993820][ T7704] netdev_get_by_index+0x5e/0x80 [19394.993820][ T7704] fib6_nh_init+0x3d8/0x15b0 [19394.993820][ T7704] ip6_route_info_create+0xf18/0x17d0 [19394.993820][ T7704] ip6_route_add+0x1c/0x140 [19394.993820][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19394.993820][ T7704] addrconf_add_dev+0xe2/0x170 [19394.993820][ T7704] inet6_addr_add+0x12f/0xa40 [19394.993820][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19394.993820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19394.993820][ T7704] netlink_rcv_skb+0x130/0x360 [19394.993820][ T7704] netlink_unicast+0x449/0x710 [19394.993820][ T7704] netlink_sendmsg+0x723/0xbe0 [19394.993820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19394.993820][ T7704] ___sys_sendmsg+0xee/0x170 [19394.993820][ T7704] __sys_sendmsg+0xcd/0x170 [19394.993820][ T7704] do_syscall_64+0xc6/0x1e0 [19394.993820][ T7704] [19394.995986][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19394.995986][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19394.995986][ T7704] ipv6_find_idev+0x102/0x170 [19394.995986][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19394.995986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19394.995986][ T7704] netlink_rcv_skb+0x130/0x360 [19394.995986][ T7704] netlink_unicast+0x449/0x710 [19394.995986][ T7704] netlink_sendmsg+0x723/0xbe0 [19394.995986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19394.995986][ T7704] ___sys_sendmsg+0xee/0x170 [19394.995986][ T7704] __sys_sendmsg+0xcd/0x170 [19394.995986][ T7704] do_syscall_64+0xc6/0x1e0 [19394.995986][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19394.995986][ T7704] [19394.997677][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19394.997677][ T7704] neigh_parms_alloc+0x1e5/0x510 [19394.997677][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19394.997677][ T7704] ipv6_find_idev+0x102/0x170 [19394.997677][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19394.997677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19394.997677][ T7704] netlink_rcv_skb+0x130/0x360 [19394.997677][ T7704] netlink_unicast+0x449/0x710 [19394.997677][ T7704] netlink_sendmsg+0x723/0xbe0 [19394.997677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19394.997677][ T7704] ___sys_sendmsg+0xee/0x170 [19394.997677][ T7704] __sys_sendmsg+0xcd/0x170 [19394.997677][ T7704] do_syscall_64+0xc6/0x1e0 [19394.997677][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19394.997677][ T7704] [19405.124812][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19405.125337][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19405.125337][ T7704] netdev_get_by_index+0x5e/0x80 [19405.125337][ T7704] fib6_nh_init+0x3d8/0x15b0 [19405.125337][ T7704] ip6_route_info_create+0xf18/0x17d0 [19405.125337][ T7704] ip6_route_add+0x1c/0x140 [19405.125337][ T7704] addrconf_prefix_route+0x2a6/0x430 [19405.125337][ T7704] inet6_addr_add+0x4f8/0xa40 [19405.125337][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19405.125337][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19405.125337][ T7704] netlink_rcv_skb+0x130/0x360 [19405.125337][ T7704] netlink_unicast+0x449/0x710 [19405.125337][ T7704] netlink_sendmsg+0x723/0xbe0 [19405.125337][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19405.125337][ T7704] ___sys_sendmsg+0xee/0x170 [19405.125337][ T7704] __sys_sendmsg+0xcd/0x170 [19405.125337][ T7704] do_syscall_64+0xc6/0x1e0 [19405.125337][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19405.125337][ T7704] [19405.127712][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19405.127712][ T7704] netdev_get_by_index+0x5e/0x80 [19405.127712][ T7704] fib6_nh_init+0x3d8/0x15b0 [19405.127712][ T7704] ip6_route_info_create+0xf18/0x17d0 [19405.127712][ T7704] addrconf_f6i_alloc+0x315/0x560 [19405.127712][ T7704] ipv6_add_addr+0x411/0x2000 [19405.127712][ T7704] inet6_addr_add+0x30e/0xa40 [19405.127712][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19405.127712][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19405.127712][ T7704] netlink_rcv_skb+0x130/0x360 [19405.127712][ T7704] netlink_unicast+0x449/0x710 [19405.127712][ T7704] netlink_sendmsg+0x723/0xbe0 [19405.127712][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19405.127712][ T7704] ___sys_sendmsg+0xee/0x170 [19405.127712][ T7704] __sys_sendmsg+0xcd/0x170 [19405.127712][ T7704] do_syscall_64+0xc6/0x1e0 [19405.127712][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19405.127712][ T7704] [19405.129926][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19405.129926][ T7704] netdev_get_by_index+0x5e/0x80 [19405.129926][ T7704] fib6_nh_init+0x3d8/0x15b0 [19405.129926][ T7704] ip6_route_info_create+0xf18/0x17d0 [19405.129926][ T7704] ip6_route_add+0x1c/0x140 [19405.129926][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19405.129926][ T7704] addrconf_add_dev+0xe2/0x170 [19405.129926][ T7704] inet6_addr_add+0x12f/0xa40 [19405.129926][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19405.129926][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19405.129926][ T7704] netlink_rcv_skb+0x130/0x360 [19405.129926][ T7704] netlink_unicast+0x449/0x710 [19405.129926][ T7704] netlink_sendmsg+0x723/0xbe0 [19405.129926][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19405.129926][ T7704] ___sys_sendmsg+0xee/0x170 [19405.129926][ T7704] __sys_sendmsg+0xcd/0x170 [19405.129926][ T7704] do_syscall_64+0xc6/0x1e0 [19405.129926][ T7704] [19405.132119][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19405.132119][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19405.132119][ T7704] ipv6_find_idev+0x102/0x170 [19405.132119][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19405.132119][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19405.132119][ T7704] netlink_rcv_skb+0x130/0x360 [19405.132119][ T7704] netlink_unicast+0x449/0x710 [19405.132119][ T7704] netlink_sendmsg+0x723/0xbe0 [19405.132119][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19405.132119][ T7704] ___sys_sendmsg+0xee/0x170 [19405.132119][ T7704] __sys_sendmsg+0xcd/0x170 [19405.132119][ T7704] do_syscall_64+0xc6/0x1e0 [19405.132119][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19405.132119][ T7704] [19405.133839][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19405.133839][ T7704] neigh_parms_alloc+0x1e5/0x510 [19405.133839][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19405.133839][ T7704] ipv6_find_idev+0x102/0x170 [19405.133839][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19405.133839][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19405.133839][ T7704] netlink_rcv_skb+0x130/0x360 [19405.133839][ T7704] netlink_unicast+0x449/0x710 [19405.133839][ T7704] netlink_sendmsg+0x723/0xbe0 [19405.133839][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19405.133839][ T7704] ___sys_sendmsg+0xee/0x170 [19405.133839][ T7704] __sys_sendmsg+0xcd/0x170 [19405.133839][ T7704] do_syscall_64+0xc6/0x1e0 [19405.133839][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19405.133839][ T7704] [19415.372857][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19415.373389][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19415.373389][ T7704] netdev_get_by_index+0x5e/0x80 [19415.373389][ T7704] fib6_nh_init+0x3d8/0x15b0 [19415.373389][ T7704] ip6_route_info_create+0xf18/0x17d0 [19415.373389][ T7704] ip6_route_add+0x1c/0x140 [19415.373389][ T7704] addrconf_prefix_route+0x2a6/0x430 [19415.373389][ T7704] inet6_addr_add+0x4f8/0xa40 [19415.373389][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19415.373389][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19415.373389][ T7704] netlink_rcv_skb+0x130/0x360 [19415.373389][ T7704] netlink_unicast+0x449/0x710 [19415.373389][ T7704] netlink_sendmsg+0x723/0xbe0 [19415.373389][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19415.373389][ T7704] ___sys_sendmsg+0xee/0x170 [19415.373389][ T7704] __sys_sendmsg+0xcd/0x170 [19415.373389][ T7704] do_syscall_64+0xc6/0x1e0 [19415.373389][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19415.373389][ T7704] [19415.375661][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19415.375661][ T7704] netdev_get_by_index+0x5e/0x80 [19415.375661][ T7704] fib6_nh_init+0x3d8/0x15b0 [19415.375661][ T7704] ip6_route_info_create+0xf18/0x17d0 [19415.375661][ T7704] addrconf_f6i_alloc+0x315/0x560 [19415.375661][ T7704] ipv6_add_addr+0x411/0x2000 [19415.375661][ T7704] inet6_addr_add+0x30e/0xa40 [19415.375661][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19415.375661][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19415.375661][ T7704] netlink_rcv_skb+0x130/0x360 [19415.375661][ T7704] netlink_unicast+0x449/0x710 [19415.375661][ T7704] netlink_sendmsg+0x723/0xbe0 [19415.375661][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19415.375661][ T7704] ___sys_sendmsg+0xee/0x170 [19415.375661][ T7704] __sys_sendmsg+0xcd/0x170 [19415.375661][ T7704] do_syscall_64+0xc6/0x1e0 [19415.375661][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19415.375661][ T7704] [19415.377872][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19415.377872][ T7704] netdev_get_by_index+0x5e/0x80 [19415.377872][ T7704] fib6_nh_init+0x3d8/0x15b0 [19415.377872][ T7704] ip6_route_info_create+0xf18/0x17d0 [19415.377872][ T7704] ip6_route_add+0x1c/0x140 [19415.377872][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19415.377872][ T7704] addrconf_add_dev+0xe2/0x170 [19415.377872][ T7704] inet6_addr_add+0x12f/0xa40 [19415.377872][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19415.377872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19415.377872][ T7704] netlink_rcv_skb+0x130/0x360 [19415.377872][ T7704] netlink_unicast+0x449/0x710 [19415.377872][ T7704] netlink_sendmsg+0x723/0xbe0 [19415.377872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19415.377872][ T7704] ___sys_sendmsg+0xee/0x170 [19415.377872][ T7704] __sys_sendmsg+0xcd/0x170 [19415.377872][ T7704] do_syscall_64+0xc6/0x1e0 [19415.377872][ T7704] [19415.380059][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19415.380059][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19415.380059][ T7704] ipv6_find_idev+0x102/0x170 [19415.380059][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19415.380059][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19415.380059][ T7704] netlink_rcv_skb+0x130/0x360 [19415.380059][ T7704] netlink_unicast+0x449/0x710 [19415.380059][ T7704] netlink_sendmsg+0x723/0xbe0 [19415.380059][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19415.380059][ T7704] ___sys_sendmsg+0xee/0x170 [19415.380059][ T7704] __sys_sendmsg+0xcd/0x170 [19415.380059][ T7704] do_syscall_64+0xc6/0x1e0 [19415.380059][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19415.380059][ T7704] [19415.381812][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19415.381812][ T7704] neigh_parms_alloc+0x1e5/0x510 [19415.381812][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19415.381812][ T7704] ipv6_find_idev+0x102/0x170 [19415.381812][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19415.381812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19415.381812][ T7704] netlink_rcv_skb+0x130/0x360 [19415.381812][ T7704] netlink_unicast+0x449/0x710 [19415.381812][ T7704] netlink_sendmsg+0x723/0xbe0 [19415.381812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19415.381812][ T7704] ___sys_sendmsg+0xee/0x170 [19415.381812][ T7704] __sys_sendmsg+0xcd/0x170 [19415.381812][ T7704] do_syscall_64+0xc6/0x1e0 [19415.381812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19415.381812][ T7704] [19425.620818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19425.621350][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19425.621350][ T7704] netdev_get_by_index+0x5e/0x80 [19425.621350][ T7704] fib6_nh_init+0x3d8/0x15b0 [19425.621350][ T7704] ip6_route_info_create+0xf18/0x17d0 [19425.621350][ T7704] ip6_route_add+0x1c/0x140 [19425.621350][ T7704] addrconf_prefix_route+0x2a6/0x430 [19425.621350][ T7704] inet6_addr_add+0x4f8/0xa40 [19425.621350][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19425.621350][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19425.621350][ T7704] netlink_rcv_skb+0x130/0x360 [19425.621350][ T7704] netlink_unicast+0x449/0x710 [19425.621350][ T7704] netlink_sendmsg+0x723/0xbe0 [19425.621350][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19425.621350][ T7704] ___sys_sendmsg+0xee/0x170 [19425.621350][ T7704] __sys_sendmsg+0xcd/0x170 [19425.621350][ T7704] do_syscall_64+0xc6/0x1e0 [19425.621350][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19425.621350][ T7704] [19425.623651][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19425.623651][ T7704] netdev_get_by_index+0x5e/0x80 [19425.623651][ T7704] fib6_nh_init+0x3d8/0x15b0 [19425.623651][ T7704] ip6_route_info_create+0xf18/0x17d0 [19425.623651][ T7704] addrconf_f6i_alloc+0x315/0x560 [19425.623651][ T7704] ipv6_add_addr+0x411/0x2000 [19425.623651][ T7704] inet6_addr_add+0x30e/0xa40 [19425.623651][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19425.623651][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19425.623651][ T7704] netlink_rcv_skb+0x130/0x360 [19425.623651][ T7704] netlink_unicast+0x449/0x710 [19425.623651][ T7704] netlink_sendmsg+0x723/0xbe0 [19425.623651][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19425.623651][ T7704] ___sys_sendmsg+0xee/0x170 [19425.623651][ T7704] __sys_sendmsg+0xcd/0x170 [19425.623651][ T7704] do_syscall_64+0xc6/0x1e0 [19425.623651][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19425.623651][ T7704] [19425.625871][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19425.625871][ T7704] netdev_get_by_index+0x5e/0x80 [19425.625871][ T7704] fib6_nh_init+0x3d8/0x15b0 [19425.625871][ T7704] ip6_route_info_create+0xf18/0x17d0 [19425.625871][ T7704] ip6_route_add+0x1c/0x140 [19425.625871][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19425.625871][ T7704] addrconf_add_dev+0xe2/0x170 [19425.625871][ T7704] inet6_addr_add+0x12f/0xa40 [19425.625871][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19425.625871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19425.625871][ T7704] netlink_rcv_skb+0x130/0x360 [19425.625871][ T7704] netlink_unicast+0x449/0x710 [19425.625871][ T7704] netlink_sendmsg+0x723/0xbe0 [19425.625871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19425.625871][ T7704] ___sys_sendmsg+0xee/0x170 [19425.625871][ T7704] __sys_sendmsg+0xcd/0x170 [19425.625871][ T7704] do_syscall_64+0xc6/0x1e0 [19425.625871][ T7704] [19425.628052][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19425.628052][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19425.628052][ T7704] ipv6_find_idev+0x102/0x170 [19425.628052][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19425.628052][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19425.628052][ T7704] netlink_rcv_skb+0x130/0x360 [19425.628052][ T7704] netlink_unicast+0x449/0x710 [19425.628052][ T7704] netlink_sendmsg+0x723/0xbe0 [19425.628052][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19425.628052][ T7704] ___sys_sendmsg+0xee/0x170 [19425.628052][ T7704] __sys_sendmsg+0xcd/0x170 [19425.628052][ T7704] do_syscall_64+0xc6/0x1e0 [19425.628052][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19425.628052][ T7704] [19425.629750][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19425.629750][ T7704] neigh_parms_alloc+0x1e5/0x510 [19425.629750][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19425.629750][ T7704] ipv6_find_idev+0x102/0x170 [19425.629750][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19425.629750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19425.629750][ T7704] netlink_rcv_skb+0x130/0x360 [19425.629750][ T7704] netlink_unicast+0x449/0x710 [19425.629750][ T7704] netlink_sendmsg+0x723/0xbe0 [19425.629750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19425.629750][ T7704] ___sys_sendmsg+0xee/0x170 [19425.629750][ T7704] __sys_sendmsg+0xcd/0x170 [19425.629750][ T7704] do_syscall_64+0xc6/0x1e0 [19425.629750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19425.629750][ T7704] [19435.868750][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19435.869203][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19435.869203][ T7704] netdev_get_by_index+0x5e/0x80 [19435.869203][ T7704] fib6_nh_init+0x3d8/0x15b0 [19435.869203][ T7704] ip6_route_info_create+0xf18/0x17d0 [19435.869203][ T7704] ip6_route_add+0x1c/0x140 [19435.869203][ T7704] addrconf_prefix_route+0x2a6/0x430 [19435.869203][ T7704] inet6_addr_add+0x4f8/0xa40 [19435.869203][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19435.869203][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19435.869203][ T7704] netlink_rcv_skb+0x130/0x360 [19435.869203][ T7704] netlink_unicast+0x449/0x710 [19435.869203][ T7704] netlink_sendmsg+0x723/0xbe0 [19435.869203][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19435.869203][ T7704] ___sys_sendmsg+0xee/0x170 [19435.869203][ T7704] __sys_sendmsg+0xcd/0x170 [19435.869203][ T7704] do_syscall_64+0xc6/0x1e0 [19435.869203][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19435.869203][ T7704] [19435.871436][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19435.871436][ T7704] netdev_get_by_index+0x5e/0x80 [19435.871436][ T7704] fib6_nh_init+0x3d8/0x15b0 [19435.871436][ T7704] ip6_route_info_create+0xf18/0x17d0 [19435.871436][ T7704] addrconf_f6i_alloc+0x315/0x560 [19435.871436][ T7704] ipv6_add_addr+0x411/0x2000 [19435.871436][ T7704] inet6_addr_add+0x30e/0xa40 [19435.871436][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19435.871436][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19435.871436][ T7704] netlink_rcv_skb+0x130/0x360 [19435.871436][ T7704] netlink_unicast+0x449/0x710 [19435.871436][ T7704] netlink_sendmsg+0x723/0xbe0 [19435.871436][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19435.871436][ T7704] ___sys_sendmsg+0xee/0x170 [19435.871436][ T7704] __sys_sendmsg+0xcd/0x170 [19435.871436][ T7704] do_syscall_64+0xc6/0x1e0 [19435.871436][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19435.871436][ T7704] [19435.873656][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19435.873656][ T7704] netdev_get_by_index+0x5e/0x80 [19435.873656][ T7704] fib6_nh_init+0x3d8/0x15b0 [19435.873656][ T7704] ip6_route_info_create+0xf18/0x17d0 [19435.873656][ T7704] ip6_route_add+0x1c/0x140 [19435.873656][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19435.873656][ T7704] addrconf_add_dev+0xe2/0x170 [19435.873656][ T7704] inet6_addr_add+0x12f/0xa40 [19435.873656][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19435.873656][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19435.873656][ T7704] netlink_rcv_skb+0x130/0x360 [19435.873656][ T7704] netlink_unicast+0x449/0x710 [19435.873656][ T7704] netlink_sendmsg+0x723/0xbe0 [19435.873656][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19435.873656][ T7704] ___sys_sendmsg+0xee/0x170 [19435.873656][ T7704] __sys_sendmsg+0xcd/0x170 [19435.873656][ T7704] do_syscall_64+0xc6/0x1e0 [19435.873656][ T7704] [19435.875820][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19435.875820][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19435.875820][ T7704] ipv6_find_idev+0x102/0x170 [19435.875820][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19435.875820][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19435.875820][ T7704] netlink_rcv_skb+0x130/0x360 [19435.875820][ T7704] netlink_unicast+0x449/0x710 [19435.875820][ T7704] netlink_sendmsg+0x723/0xbe0 [19435.875820][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19435.875820][ T7704] ___sys_sendmsg+0xee/0x170 [19435.875820][ T7704] __sys_sendmsg+0xcd/0x170 [19435.875820][ T7704] do_syscall_64+0xc6/0x1e0 [19435.875820][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19435.875820][ T7704] [19435.877539][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19435.877539][ T7704] neigh_parms_alloc+0x1e5/0x510 [19435.877539][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19435.877539][ T7704] ipv6_find_idev+0x102/0x170 [19435.877539][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19435.877539][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19435.877539][ T7704] netlink_rcv_skb+0x130/0x360 [19435.877539][ T7704] netlink_unicast+0x449/0x710 [19435.877539][ T7704] netlink_sendmsg+0x723/0xbe0 [19435.877539][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19435.877539][ T7704] ___sys_sendmsg+0xee/0x170 [19435.877539][ T7704] __sys_sendmsg+0xcd/0x170 [19435.877539][ T7704] do_syscall_64+0xc6/0x1e0 [19435.877539][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19435.877539][ T7704] [19446.116826][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19446.117333][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19446.117333][ T7704] netdev_get_by_index+0x5e/0x80 [19446.117333][ T7704] fib6_nh_init+0x3d8/0x15b0 [19446.117333][ T7704] ip6_route_info_create+0xf18/0x17d0 [19446.117333][ T7704] ip6_route_add+0x1c/0x140 [19446.117333][ T7704] addrconf_prefix_route+0x2a6/0x430 [19446.117333][ T7704] inet6_addr_add+0x4f8/0xa40 [19446.117333][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19446.117333][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19446.117333][ T7704] netlink_rcv_skb+0x130/0x360 [19446.117333][ T7704] netlink_unicast+0x449/0x710 [19446.117333][ T7704] netlink_sendmsg+0x723/0xbe0 [19446.117333][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19446.117333][ T7704] ___sys_sendmsg+0xee/0x170 [19446.117333][ T7704] __sys_sendmsg+0xcd/0x170 [19446.117333][ T7704] do_syscall_64+0xc6/0x1e0 [19446.117333][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19446.117333][ T7704] [19446.119572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19446.119572][ T7704] netdev_get_by_index+0x5e/0x80 [19446.119572][ T7704] fib6_nh_init+0x3d8/0x15b0 [19446.119572][ T7704] ip6_route_info_create+0xf18/0x17d0 [19446.119572][ T7704] addrconf_f6i_alloc+0x315/0x560 [19446.119572][ T7704] ipv6_add_addr+0x411/0x2000 [19446.119572][ T7704] inet6_addr_add+0x30e/0xa40 [19446.119572][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19446.119572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19446.119572][ T7704] netlink_rcv_skb+0x130/0x360 [19446.119572][ T7704] netlink_unicast+0x449/0x710 [19446.119572][ T7704] netlink_sendmsg+0x723/0xbe0 [19446.119572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19446.119572][ T7704] ___sys_sendmsg+0xee/0x170 [19446.119572][ T7704] __sys_sendmsg+0xcd/0x170 [19446.119572][ T7704] do_syscall_64+0xc6/0x1e0 [19446.119572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19446.119572][ T7704] [19446.121770][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19446.121770][ T7704] netdev_get_by_index+0x5e/0x80 [19446.121770][ T7704] fib6_nh_init+0x3d8/0x15b0 [19446.121770][ T7704] ip6_route_info_create+0xf18/0x17d0 [19446.121770][ T7704] ip6_route_add+0x1c/0x140 [19446.121770][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19446.121770][ T7704] addrconf_add_dev+0xe2/0x170 [19446.121770][ T7704] inet6_addr_add+0x12f/0xa40 [19446.121770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19446.121770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19446.121770][ T7704] netlink_rcv_skb+0x130/0x360 [19446.121770][ T7704] netlink_unicast+0x449/0x710 [19446.121770][ T7704] netlink_sendmsg+0x723/0xbe0 [19446.121770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19446.121770][ T7704] ___sys_sendmsg+0xee/0x170 [19446.121770][ T7704] __sys_sendmsg+0xcd/0x170 [19446.121770][ T7704] do_syscall_64+0xc6/0x1e0 [19446.121770][ T7704] [19446.124155][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19446.124155][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19446.124155][ T7704] ipv6_find_idev+0x102/0x170 [19446.124155][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19446.124155][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19446.124155][ T7704] netlink_rcv_skb+0x130/0x360 [19446.124155][ T7704] netlink_unicast+0x449/0x710 [19446.124155][ T7704] netlink_sendmsg+0x723/0xbe0 [19446.124155][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19446.124155][ T7704] ___sys_sendmsg+0xee/0x170 [19446.124155][ T7704] __sys_sendmsg+0xcd/0x170 [19446.124155][ T7704] do_syscall_64+0xc6/0x1e0 [19446.124155][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19446.124155][ T7704] [19446.125912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19446.125912][ T7704] neigh_parms_alloc+0x1e5/0x510 [19446.125912][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19446.125912][ T7704] ipv6_find_idev+0x102/0x170 [19446.125912][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19446.125912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19446.125912][ T7704] netlink_rcv_skb+0x130/0x360 [19446.125912][ T7704] netlink_unicast+0x449/0x710 [19446.125912][ T7704] netlink_sendmsg+0x723/0xbe0 [19446.125912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19446.125912][ T7704] ___sys_sendmsg+0xee/0x170 [19446.125912][ T7704] __sys_sendmsg+0xcd/0x170 [19446.125912][ T7704] do_syscall_64+0xc6/0x1e0 [19446.125912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19446.125912][ T7704] [19456.372815][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19456.373324][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19456.373324][ T7704] netdev_get_by_index+0x5e/0x80 [19456.373324][ T7704] fib6_nh_init+0x3d8/0x15b0 [19456.373324][ T7704] ip6_route_info_create+0xf18/0x17d0 [19456.373324][ T7704] ip6_route_add+0x1c/0x140 [19456.373324][ T7704] addrconf_prefix_route+0x2a6/0x430 [19456.373324][ T7704] inet6_addr_add+0x4f8/0xa40 [19456.373324][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19456.373324][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19456.373324][ T7704] netlink_rcv_skb+0x130/0x360 [19456.373324][ T7704] netlink_unicast+0x449/0x710 [19456.373324][ T7704] netlink_sendmsg+0x723/0xbe0 [19456.373324][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19456.373324][ T7704] ___sys_sendmsg+0xee/0x170 [19456.373324][ T7704] __sys_sendmsg+0xcd/0x170 [19456.373324][ T7704] do_syscall_64+0xc6/0x1e0 [19456.373324][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19456.373324][ T7704] [19456.375556][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19456.375556][ T7704] netdev_get_by_index+0x5e/0x80 [19456.375556][ T7704] fib6_nh_init+0x3d8/0x15b0 [19456.375556][ T7704] ip6_route_info_create+0xf18/0x17d0 [19456.375556][ T7704] addrconf_f6i_alloc+0x315/0x560 [19456.375556][ T7704] ipv6_add_addr+0x411/0x2000 [19456.375556][ T7704] inet6_addr_add+0x30e/0xa40 [19456.375556][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19456.375556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19456.375556][ T7704] netlink_rcv_skb+0x130/0x360 [19456.375556][ T7704] netlink_unicast+0x449/0x710 [19456.375556][ T7704] netlink_sendmsg+0x723/0xbe0 [19456.375556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19456.375556][ T7704] ___sys_sendmsg+0xee/0x170 [19456.375556][ T7704] __sys_sendmsg+0xcd/0x170 [19456.375556][ T7704] do_syscall_64+0xc6/0x1e0 [19456.375556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19456.375556][ T7704] [19456.377763][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19456.377763][ T7704] netdev_get_by_index+0x5e/0x80 [19456.377763][ T7704] fib6_nh_init+0x3d8/0x15b0 [19456.377763][ T7704] ip6_route_info_create+0xf18/0x17d0 [19456.377763][ T7704] ip6_route_add+0x1c/0x140 [19456.377763][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19456.377763][ T7704] addrconf_add_dev+0xe2/0x170 [19456.377763][ T7704] inet6_addr_add+0x12f/0xa40 [19456.377763][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19456.377763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19456.377763][ T7704] netlink_rcv_skb+0x130/0x360 [19456.377763][ T7704] netlink_unicast+0x449/0x710 [19456.377763][ T7704] netlink_sendmsg+0x723/0xbe0 [19456.377763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19456.377763][ T7704] ___sys_sendmsg+0xee/0x170 [19456.377763][ T7704] __sys_sendmsg+0xcd/0x170 [19456.377763][ T7704] do_syscall_64+0xc6/0x1e0 [19456.377763][ T7704] [19456.379933][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19456.379933][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19456.379933][ T7704] ipv6_find_idev+0x102/0x170 [19456.379933][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19456.379933][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19456.379933][ T7704] netlink_rcv_skb+0x130/0x360 [19456.379933][ T7704] netlink_unicast+0x449/0x710 [19456.379933][ T7704] netlink_sendmsg+0x723/0xbe0 [19456.379933][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19456.379933][ T7704] ___sys_sendmsg+0xee/0x170 [19456.379933][ T7704] __sys_sendmsg+0xcd/0x170 [19456.379933][ T7704] do_syscall_64+0xc6/0x1e0 [19456.379933][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19456.379933][ T7704] [19456.381627][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19456.381627][ T7704] neigh_parms_alloc+0x1e5/0x510 [19456.381627][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19456.381627][ T7704] ipv6_find_idev+0x102/0x170 [19456.381627][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19456.381627][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19456.381627][ T7704] netlink_rcv_skb+0x130/0x360 [19456.381627][ T7704] netlink_unicast+0x449/0x710 [19456.381627][ T7704] netlink_sendmsg+0x723/0xbe0 [19456.381627][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19456.381627][ T7704] ___sys_sendmsg+0xee/0x170 [19456.381627][ T7704] __sys_sendmsg+0xcd/0x170 [19456.381627][ T7704] do_syscall_64+0xc6/0x1e0 [19456.381627][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19456.381627][ T7704] [19466.620767][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19466.621216][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19466.621216][ T7704] netdev_get_by_index+0x5e/0x80 [19466.621216][ T7704] fib6_nh_init+0x3d8/0x15b0 [19466.621216][ T7704] ip6_route_info_create+0xf18/0x17d0 [19466.621216][ T7704] ip6_route_add+0x1c/0x140 [19466.621216][ T7704] addrconf_prefix_route+0x2a6/0x430 [19466.621216][ T7704] inet6_addr_add+0x4f8/0xa40 [19466.621216][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19466.621216][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19466.621216][ T7704] netlink_rcv_skb+0x130/0x360 [19466.621216][ T7704] netlink_unicast+0x449/0x710 [19466.621216][ T7704] netlink_sendmsg+0x723/0xbe0 [19466.621216][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19466.621216][ T7704] ___sys_sendmsg+0xee/0x170 [19466.621216][ T7704] __sys_sendmsg+0xcd/0x170 [19466.621216][ T7704] do_syscall_64+0xc6/0x1e0 [19466.621216][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19466.621216][ T7704] [19466.623495][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19466.623495][ T7704] netdev_get_by_index+0x5e/0x80 [19466.623495][ T7704] fib6_nh_init+0x3d8/0x15b0 [19466.623495][ T7704] ip6_route_info_create+0xf18/0x17d0 [19466.623495][ T7704] addrconf_f6i_alloc+0x315/0x560 [19466.623495][ T7704] ipv6_add_addr+0x411/0x2000 [19466.623495][ T7704] inet6_addr_add+0x30e/0xa40 [19466.623495][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19466.623495][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19466.623495][ T7704] netlink_rcv_skb+0x130/0x360 [19466.623495][ T7704] netlink_unicast+0x449/0x710 [19466.623495][ T7704] netlink_sendmsg+0x723/0xbe0 [19466.623495][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19466.623495][ T7704] ___sys_sendmsg+0xee/0x170 [19466.623495][ T7704] __sys_sendmsg+0xcd/0x170 [19466.623495][ T7704] do_syscall_64+0xc6/0x1e0 [19466.623495][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19466.623495][ T7704] [19466.625728][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19466.625728][ T7704] netdev_get_by_index+0x5e/0x80 [19466.625728][ T7704] fib6_nh_init+0x3d8/0x15b0 [19466.625728][ T7704] ip6_route_info_create+0xf18/0x17d0 [19466.625728][ T7704] ip6_route_add+0x1c/0x140 [19466.625728][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19466.625728][ T7704] addrconf_add_dev+0xe2/0x170 [19466.625728][ T7704] inet6_addr_add+0x12f/0xa40 [19466.625728][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19466.625728][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19466.625728][ T7704] netlink_rcv_skb+0x130/0x360 [19466.625728][ T7704] netlink_unicast+0x449/0x710 [19466.625728][ T7704] netlink_sendmsg+0x723/0xbe0 [19466.625728][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19466.625728][ T7704] ___sys_sendmsg+0xee/0x170 [19466.625728][ T7704] __sys_sendmsg+0xcd/0x170 [19466.625728][ T7704] do_syscall_64+0xc6/0x1e0 [19466.625728][ T7704] [19466.628459][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19466.628459][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19466.628459][ T7704] ipv6_find_idev+0x102/0x170 [19466.628459][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19466.628459][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19466.628459][ T7704] netlink_rcv_skb+0x130/0x360 [19466.628459][ T7704] netlink_unicast+0x449/0x710 [19466.628459][ T7704] netlink_sendmsg+0x723/0xbe0 [19466.628459][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19466.628459][ T7704] ___sys_sendmsg+0xee/0x170 [19466.628459][ T7704] __sys_sendmsg+0xcd/0x170 [19466.628459][ T7704] do_syscall_64+0xc6/0x1e0 [19466.628459][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19466.628459][ T7704] [19466.630180][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19466.630180][ T7704] neigh_parms_alloc+0x1e5/0x510 [19466.630180][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19466.630180][ T7704] ipv6_find_idev+0x102/0x170 [19466.630180][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19466.630180][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19466.630180][ T7704] netlink_rcv_skb+0x130/0x360 [19466.630180][ T7704] netlink_unicast+0x449/0x710 [19466.630180][ T7704] netlink_sendmsg+0x723/0xbe0 [19466.630180][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19466.630180][ T7704] ___sys_sendmsg+0xee/0x170 [19466.630180][ T7704] __sys_sendmsg+0xcd/0x170 [19466.630180][ T7704] do_syscall_64+0xc6/0x1e0 [19466.630180][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19466.630180][ T7704] [19476.844742][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19476.845272][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19476.845272][ T7704] netdev_get_by_index+0x5e/0x80 [19476.845272][ T7704] fib6_nh_init+0x3d8/0x15b0 [19476.845272][ T7704] ip6_route_info_create+0xf18/0x17d0 [19476.845272][ T7704] ip6_route_add+0x1c/0x140 [19476.845272][ T7704] addrconf_prefix_route+0x2a6/0x430 [19476.845272][ T7704] inet6_addr_add+0x4f8/0xa40 [19476.845272][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19476.845272][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19476.845272][ T7704] netlink_rcv_skb+0x130/0x360 [19476.845272][ T7704] netlink_unicast+0x449/0x710 [19476.845272][ T7704] netlink_sendmsg+0x723/0xbe0 [19476.845272][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19476.845272][ T7704] ___sys_sendmsg+0xee/0x170 [19476.845272][ T7704] __sys_sendmsg+0xcd/0x170 [19476.845272][ T7704] do_syscall_64+0xc6/0x1e0 [19476.845272][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19476.845272][ T7704] [19476.847522][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19476.847522][ T7704] netdev_get_by_index+0x5e/0x80 [19476.847522][ T7704] fib6_nh_init+0x3d8/0x15b0 [19476.847522][ T7704] ip6_route_info_create+0xf18/0x17d0 [19476.847522][ T7704] addrconf_f6i_alloc+0x315/0x560 [19476.847522][ T7704] ipv6_add_addr+0x411/0x2000 [19476.847522][ T7704] inet6_addr_add+0x30e/0xa40 [19476.847522][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19476.847522][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19476.847522][ T7704] netlink_rcv_skb+0x130/0x360 [19476.847522][ T7704] netlink_unicast+0x449/0x710 [19476.847522][ T7704] netlink_sendmsg+0x723/0xbe0 [19476.847522][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19476.847522][ T7704] ___sys_sendmsg+0xee/0x170 [19476.847522][ T7704] __sys_sendmsg+0xcd/0x170 [19476.847522][ T7704] do_syscall_64+0xc6/0x1e0 [19476.847522][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19476.847522][ T7704] [19476.849741][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19476.849741][ T7704] netdev_get_by_index+0x5e/0x80 [19476.849741][ T7704] fib6_nh_init+0x3d8/0x15b0 [19476.849741][ T7704] ip6_route_info_create+0xf18/0x17d0 [19476.849741][ T7704] ip6_route_add+0x1c/0x140 [19476.849741][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19476.849741][ T7704] addrconf_add_dev+0xe2/0x170 [19476.849741][ T7704] inet6_addr_add+0x12f/0xa40 [19476.849741][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19476.849741][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19476.849741][ T7704] netlink_rcv_skb+0x130/0x360 [19476.849741][ T7704] netlink_unicast+0x449/0x710 [19476.849741][ T7704] netlink_sendmsg+0x723/0xbe0 [19476.849741][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19476.849741][ T7704] ___sys_sendmsg+0xee/0x170 [19476.849741][ T7704] __sys_sendmsg+0xcd/0x170 [19476.849741][ T7704] do_syscall_64+0xc6/0x1e0 [19476.849741][ T7704] [19476.851945][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19476.851945][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19476.851945][ T7704] ipv6_find_idev+0x102/0x170 [19476.851945][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19476.851945][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19476.851945][ T7704] netlink_rcv_skb+0x130/0x360 [19476.851945][ T7704] netlink_unicast+0x449/0x710 [19476.851945][ T7704] netlink_sendmsg+0x723/0xbe0 [19476.851945][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19476.851945][ T7704] ___sys_sendmsg+0xee/0x170 [19476.851945][ T7704] __sys_sendmsg+0xcd/0x170 [19476.851945][ T7704] do_syscall_64+0xc6/0x1e0 [19476.851945][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19476.851945][ T7704] [19476.853664][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19476.853664][ T7704] neigh_parms_alloc+0x1e5/0x510 [19476.853664][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19476.853664][ T7704] ipv6_find_idev+0x102/0x170 [19476.853664][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19476.853664][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19476.853664][ T7704] netlink_rcv_skb+0x130/0x360 [19476.853664][ T7704] netlink_unicast+0x449/0x710 [19476.853664][ T7704] netlink_sendmsg+0x723/0xbe0 [19476.853664][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19476.853664][ T7704] ___sys_sendmsg+0xee/0x170 [19476.853664][ T7704] __sys_sendmsg+0xcd/0x170 [19476.853664][ T7704] do_syscall_64+0xc6/0x1e0 [19476.853664][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19476.853664][ T7704] [19486.908811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19486.909340][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19486.909340][ T7704] netdev_get_by_index+0x5e/0x80 [19486.909340][ T7704] fib6_nh_init+0x3d8/0x15b0 [19486.909340][ T7704] ip6_route_info_create+0xf18/0x17d0 [19486.909340][ T7704] ip6_route_add+0x1c/0x140 [19486.909340][ T7704] addrconf_prefix_route+0x2a6/0x430 [19486.909340][ T7704] inet6_addr_add+0x4f8/0xa40 [19486.909340][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19486.909340][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19486.909340][ T7704] netlink_rcv_skb+0x130/0x360 [19486.909340][ T7704] netlink_unicast+0x449/0x710 [19486.909340][ T7704] netlink_sendmsg+0x723/0xbe0 [19486.909340][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19486.909340][ T7704] ___sys_sendmsg+0xee/0x170 [19486.909340][ T7704] __sys_sendmsg+0xcd/0x170 [19486.909340][ T7704] do_syscall_64+0xc6/0x1e0 [19486.909340][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19486.909340][ T7704] [19486.911604][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19486.911604][ T7704] netdev_get_by_index+0x5e/0x80 [19486.911604][ T7704] fib6_nh_init+0x3d8/0x15b0 [19486.911604][ T7704] ip6_route_info_create+0xf18/0x17d0 [19486.911604][ T7704] addrconf_f6i_alloc+0x315/0x560 [19486.911604][ T7704] ipv6_add_addr+0x411/0x2000 [19486.911604][ T7704] inet6_addr_add+0x30e/0xa40 [19486.911604][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19486.911604][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19486.911604][ T7704] netlink_rcv_skb+0x130/0x360 [19486.911604][ T7704] netlink_unicast+0x449/0x710 [19486.911604][ T7704] netlink_sendmsg+0x723/0xbe0 [19486.911604][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19486.911604][ T7704] ___sys_sendmsg+0xee/0x170 [19486.911604][ T7704] __sys_sendmsg+0xcd/0x170 [19486.911604][ T7704] do_syscall_64+0xc6/0x1e0 [19486.911604][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19486.911604][ T7704] [19486.913851][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19486.913851][ T7704] netdev_get_by_index+0x5e/0x80 [19486.913851][ T7704] fib6_nh_init+0x3d8/0x15b0 [19486.913851][ T7704] ip6_route_info_create+0xf18/0x17d0 [19486.913851][ T7704] ip6_route_add+0x1c/0x140 [19486.913851][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19486.913851][ T7704] addrconf_add_dev+0xe2/0x170 [19486.913851][ T7704] inet6_addr_add+0x12f/0xa40 [19486.913851][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19486.913851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19486.913851][ T7704] netlink_rcv_skb+0x130/0x360 [19486.913851][ T7704] netlink_unicast+0x449/0x710 [19486.913851][ T7704] netlink_sendmsg+0x723/0xbe0 [19486.913851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19486.913851][ T7704] ___sys_sendmsg+0xee/0x170 [19486.913851][ T7704] __sys_sendmsg+0xcd/0x170 [19486.913851][ T7704] do_syscall_64+0xc6/0x1e0 [19486.913851][ T7704] [19486.916041][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19486.916041][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19486.916041][ T7704] ipv6_find_idev+0x102/0x170 [19486.916041][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19486.916041][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19486.916041][ T7704] netlink_rcv_skb+0x130/0x360 [19486.916041][ T7704] netlink_unicast+0x449/0x710 [19486.916041][ T7704] netlink_sendmsg+0x723/0xbe0 [19486.916041][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19486.916041][ T7704] ___sys_sendmsg+0xee/0x170 [19486.916041][ T7704] __sys_sendmsg+0xcd/0x170 [19486.916041][ T7704] do_syscall_64+0xc6/0x1e0 [19486.916041][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19486.916041][ T7704] [19486.917756][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19486.917756][ T7704] neigh_parms_alloc+0x1e5/0x510 [19486.917756][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19486.917756][ T7704] ipv6_find_idev+0x102/0x170 [19486.917756][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19486.917756][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19486.917756][ T7704] netlink_rcv_skb+0x130/0x360 [19486.917756][ T7704] netlink_unicast+0x449/0x710 [19486.917756][ T7704] netlink_sendmsg+0x723/0xbe0 [19486.917756][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19486.917756][ T7704] ___sys_sendmsg+0xee/0x170 [19486.917756][ T7704] __sys_sendmsg+0xcd/0x170 [19486.917756][ T7704] do_syscall_64+0xc6/0x1e0 [19486.917756][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19486.917756][ T7704] [19497.156798][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19497.157339][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19497.157339][ T7704] netdev_get_by_index+0x5e/0x80 [19497.157339][ T7704] fib6_nh_init+0x3d8/0x15b0 [19497.157339][ T7704] ip6_route_info_create+0xf18/0x17d0 [19497.157339][ T7704] ip6_route_add+0x1c/0x140 [19497.157339][ T7704] addrconf_prefix_route+0x2a6/0x430 [19497.157339][ T7704] inet6_addr_add+0x4f8/0xa40 [19497.157339][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19497.157339][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19497.157339][ T7704] netlink_rcv_skb+0x130/0x360 [19497.157339][ T7704] netlink_unicast+0x449/0x710 [19497.157339][ T7704] netlink_sendmsg+0x723/0xbe0 [19497.157339][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19497.157339][ T7704] ___sys_sendmsg+0xee/0x170 [19497.157339][ T7704] __sys_sendmsg+0xcd/0x170 [19497.157339][ T7704] do_syscall_64+0xc6/0x1e0 [19497.157339][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19497.157339][ T7704] [19497.159613][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19497.159613][ T7704] netdev_get_by_index+0x5e/0x80 [19497.159613][ T7704] fib6_nh_init+0x3d8/0x15b0 [19497.159613][ T7704] ip6_route_info_create+0xf18/0x17d0 [19497.159613][ T7704] addrconf_f6i_alloc+0x315/0x560 [19497.159613][ T7704] ipv6_add_addr+0x411/0x2000 [19497.159613][ T7704] inet6_addr_add+0x30e/0xa40 [19497.159613][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19497.159613][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19497.159613][ T7704] netlink_rcv_skb+0x130/0x360 [19497.159613][ T7704] netlink_unicast+0x449/0x710 [19497.159613][ T7704] netlink_sendmsg+0x723/0xbe0 [19497.159613][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19497.159613][ T7704] ___sys_sendmsg+0xee/0x170 [19497.159613][ T7704] __sys_sendmsg+0xcd/0x170 [19497.159613][ T7704] do_syscall_64+0xc6/0x1e0 [19497.159613][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19497.159613][ T7704] [19497.161855][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19497.161855][ T7704] netdev_get_by_index+0x5e/0x80 [19497.161855][ T7704] fib6_nh_init+0x3d8/0x15b0 [19497.161855][ T7704] ip6_route_info_create+0xf18/0x17d0 [19497.161855][ T7704] ip6_route_add+0x1c/0x140 [19497.161855][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19497.161855][ T7704] addrconf_add_dev+0xe2/0x170 [19497.161855][ T7704] inet6_addr_add+0x12f/0xa40 [19497.161855][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19497.161855][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19497.161855][ T7704] netlink_rcv_skb+0x130/0x360 [19497.161855][ T7704] netlink_unicast+0x449/0x710 [19497.161855][ T7704] netlink_sendmsg+0x723/0xbe0 [19497.161855][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19497.161855][ T7704] ___sys_sendmsg+0xee/0x170 [19497.161855][ T7704] __sys_sendmsg+0xcd/0x170 [19497.161855][ T7704] do_syscall_64+0xc6/0x1e0 [19497.161855][ T7704] [19497.164056][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19497.164056][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19497.164056][ T7704] ipv6_find_idev+0x102/0x170 [19497.164056][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19497.164056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19497.164056][ T7704] netlink_rcv_skb+0x130/0x360 [19497.164056][ T7704] netlink_unicast+0x449/0x710 [19497.164056][ T7704] netlink_sendmsg+0x723/0xbe0 [19497.164056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19497.164056][ T7704] ___sys_sendmsg+0xee/0x170 [19497.164056][ T7704] __sys_sendmsg+0xcd/0x170 [19497.164056][ T7704] do_syscall_64+0xc6/0x1e0 [19497.164056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19497.164056][ T7704] [19497.166295][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19497.166295][ T7704] neigh_parms_alloc+0x1e5/0x510 [19497.166295][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19497.166295][ T7704] ipv6_find_idev+0x102/0x170 [19497.166295][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19497.166295][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19497.166295][ T7704] netlink_rcv_skb+0x130/0x360 [19497.166295][ T7704] netlink_unicast+0x449/0x710 [19497.166295][ T7704] netlink_sendmsg+0x723/0xbe0 [19497.166295][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19497.166295][ T7704] ___sys_sendmsg+0xee/0x170 [19497.166295][ T7704] __sys_sendmsg+0xcd/0x170 [19497.166295][ T7704] do_syscall_64+0xc6/0x1e0 [19497.166295][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19497.166295][ T7704] [19507.228859][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19507.229384][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19507.229384][ T7704] netdev_get_by_index+0x5e/0x80 [19507.229384][ T7704] fib6_nh_init+0x3d8/0x15b0 [19507.229384][ T7704] ip6_route_info_create+0xf18/0x17d0 [19507.229384][ T7704] ip6_route_add+0x1c/0x140 [19507.229384][ T7704] addrconf_prefix_route+0x2a6/0x430 [19507.229384][ T7704] inet6_addr_add+0x4f8/0xa40 [19507.229384][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19507.229384][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19507.229384][ T7704] netlink_rcv_skb+0x130/0x360 [19507.229384][ T7704] netlink_unicast+0x449/0x710 [19507.229384][ T7704] netlink_sendmsg+0x723/0xbe0 [19507.229384][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19507.229384][ T7704] ___sys_sendmsg+0xee/0x170 [19507.229384][ T7704] __sys_sendmsg+0xcd/0x170 [19507.229384][ T7704] do_syscall_64+0xc6/0x1e0 [19507.229384][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19507.229384][ T7704] [19507.232093][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19507.232093][ T7704] netdev_get_by_index+0x5e/0x80 [19507.232093][ T7704] fib6_nh_init+0x3d8/0x15b0 [19507.232093][ T7704] ip6_route_info_create+0xf18/0x17d0 [19507.232093][ T7704] addrconf_f6i_alloc+0x315/0x560 [19507.232093][ T7704] ipv6_add_addr+0x411/0x2000 [19507.232093][ T7704] inet6_addr_add+0x30e/0xa40 [19507.232093][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19507.232093][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19507.232093][ T7704] netlink_rcv_skb+0x130/0x360 [19507.232093][ T7704] netlink_unicast+0x449/0x710 [19507.232093][ T7704] netlink_sendmsg+0x723/0xbe0 [19507.232093][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19507.232093][ T7704] ___sys_sendmsg+0xee/0x170 [19507.232093][ T7704] __sys_sendmsg+0xcd/0x170 [19507.232093][ T7704] do_syscall_64+0xc6/0x1e0 [19507.232093][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19507.232093][ T7704] [19507.234784][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19507.234784][ T7704] netdev_get_by_index+0x5e/0x80 [19507.234784][ T7704] fib6_nh_init+0x3d8/0x15b0 [19507.234784][ T7704] ip6_route_info_create+0xf18/0x17d0 [19507.234784][ T7704] ip6_route_add+0x1c/0x140 [19507.234784][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19507.234784][ T7704] addrconf_add_dev+0xe2/0x170 [19507.234784][ T7704] inet6_addr_add+0x12f/0xa40 [19507.234784][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19507.234784][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19507.234784][ T7704] netlink_rcv_skb+0x130/0x360 [19507.234784][ T7704] netlink_unicast+0x449/0x710 [19507.234784][ T7704] netlink_sendmsg+0x723/0xbe0 [19507.234784][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19507.234784][ T7704] ___sys_sendmsg+0xee/0x170 [19507.234784][ T7704] __sys_sendmsg+0xcd/0x170 [19507.234784][ T7704] do_syscall_64+0xc6/0x1e0 [19507.234784][ T7704] [19507.237425][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19507.237425][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19507.237425][ T7704] ipv6_find_idev+0x102/0x170 [19507.237425][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19507.237425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19507.237425][ T7704] netlink_rcv_skb+0x130/0x360 [19507.237425][ T7704] netlink_unicast+0x449/0x710 [19507.237425][ T7704] netlink_sendmsg+0x723/0xbe0 [19507.237425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19507.237425][ T7704] ___sys_sendmsg+0xee/0x170 [19507.237425][ T7704] __sys_sendmsg+0xcd/0x170 [19507.237425][ T7704] do_syscall_64+0xc6/0x1e0 [19507.237425][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19507.237425][ T7704] [19507.239496][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19507.239496][ T7704] neigh_parms_alloc+0x1e5/0x510 [19507.239496][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19507.239496][ T7704] ipv6_find_idev+0x102/0x170 [19507.239496][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19507.239496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19507.239496][ T7704] netlink_rcv_skb+0x130/0x360 [19507.239496][ T7704] netlink_unicast+0x449/0x710 [19507.239496][ T7704] netlink_sendmsg+0x723/0xbe0 [19507.239496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19507.239496][ T7704] ___sys_sendmsg+0xee/0x170 [19507.239496][ T7704] __sys_sendmsg+0xcd/0x170 [19507.239496][ T7704] do_syscall_64+0xc6/0x1e0 [19507.239496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19507.239496][ T7704] [19517.276735][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19517.277245][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19517.277245][ T7704] netdev_get_by_index+0x5e/0x80 [19517.277245][ T7704] fib6_nh_init+0x3d8/0x15b0 [19517.277245][ T7704] ip6_route_info_create+0xf18/0x17d0 [19517.277245][ T7704] ip6_route_add+0x1c/0x140 [19517.277245][ T7704] addrconf_prefix_route+0x2a6/0x430 [19517.277245][ T7704] inet6_addr_add+0x4f8/0xa40 [19517.277245][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19517.277245][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19517.277245][ T7704] netlink_rcv_skb+0x130/0x360 [19517.277245][ T7704] netlink_unicast+0x449/0x710 [19517.277245][ T7704] netlink_sendmsg+0x723/0xbe0 [19517.277245][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19517.277245][ T7704] ___sys_sendmsg+0xee/0x170 [19517.277245][ T7704] __sys_sendmsg+0xcd/0x170 [19517.277245][ T7704] do_syscall_64+0xc6/0x1e0 [19517.277245][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19517.277245][ T7704] [19517.279960][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19517.279960][ T7704] netdev_get_by_index+0x5e/0x80 [19517.279960][ T7704] fib6_nh_init+0x3d8/0x15b0 [19517.279960][ T7704] ip6_route_info_create+0xf18/0x17d0 [19517.279960][ T7704] addrconf_f6i_alloc+0x315/0x560 [19517.279960][ T7704] ipv6_add_addr+0x411/0x2000 [19517.279960][ T7704] inet6_addr_add+0x30e/0xa40 [19517.279960][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19517.279960][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19517.279960][ T7704] netlink_rcv_skb+0x130/0x360 [19517.279960][ T7704] netlink_unicast+0x449/0x710 [19517.279960][ T7704] netlink_sendmsg+0x723/0xbe0 [19517.279960][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19517.279960][ T7704] ___sys_sendmsg+0xee/0x170 [19517.279960][ T7704] __sys_sendmsg+0xcd/0x170 [19517.279960][ T7704] do_syscall_64+0xc6/0x1e0 [19517.279960][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19517.279960][ T7704] [19517.282653][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19517.282653][ T7704] netdev_get_by_index+0x5e/0x80 [19517.282653][ T7704] fib6_nh_init+0x3d8/0x15b0 [19517.282653][ T7704] ip6_route_info_create+0xf18/0x17d0 [19517.282653][ T7704] ip6_route_add+0x1c/0x140 [19517.282653][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19517.282653][ T7704] addrconf_add_dev+0xe2/0x170 [19517.282653][ T7704] inet6_addr_add+0x12f/0xa40 [19517.282653][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19517.282653][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19517.282653][ T7704] netlink_rcv_skb+0x130/0x360 [19517.282653][ T7704] netlink_unicast+0x449/0x710 [19517.282653][ T7704] netlink_sendmsg+0x723/0xbe0 [19517.282653][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19517.282653][ T7704] ___sys_sendmsg+0xee/0x170 [19517.282653][ T7704] __sys_sendmsg+0xcd/0x170 [19517.282653][ T7704] do_syscall_64+0xc6/0x1e0 [19517.282653][ T7704] [19517.285287][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19517.285287][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19517.285287][ T7704] ipv6_find_idev+0x102/0x170 [19517.285287][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19517.285287][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19517.285287][ T7704] netlink_rcv_skb+0x130/0x360 [19517.285287][ T7704] netlink_unicast+0x449/0x710 [19517.285287][ T7704] netlink_sendmsg+0x723/0xbe0 [19517.285287][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19517.285287][ T7704] ___sys_sendmsg+0xee/0x170 [19517.285287][ T7704] __sys_sendmsg+0xcd/0x170 [19517.285287][ T7704] do_syscall_64+0xc6/0x1e0 [19517.285287][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19517.285287][ T7704] [19517.287352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19517.287352][ T7704] neigh_parms_alloc+0x1e5/0x510 [19517.287352][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19517.287352][ T7704] ipv6_find_idev+0x102/0x170 [19517.287352][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19517.287352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19517.287352][ T7704] netlink_rcv_skb+0x130/0x360 [19517.287352][ T7704] netlink_unicast+0x449/0x710 [19517.287352][ T7704] netlink_sendmsg+0x723/0xbe0 [19517.287352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19517.287352][ T7704] ___sys_sendmsg+0xee/0x170 [19517.287352][ T7704] __sys_sendmsg+0xcd/0x170 [19517.287352][ T7704] do_syscall_64+0xc6/0x1e0 [19517.287352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19517.287352][ T7704] [19527.388813][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19527.389296][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19527.389296][ T7704] netdev_get_by_index+0x5e/0x80 [19527.389296][ T7704] fib6_nh_init+0x3d8/0x15b0 [19527.389296][ T7704] ip6_route_info_create+0xf18/0x17d0 [19527.389296][ T7704] ip6_route_add+0x1c/0x140 [19527.389296][ T7704] addrconf_prefix_route+0x2a6/0x430 [19527.389296][ T7704] inet6_addr_add+0x4f8/0xa40 [19527.389296][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19527.389296][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19527.389296][ T7704] netlink_rcv_skb+0x130/0x360 [19527.389296][ T7704] netlink_unicast+0x449/0x710 [19527.389296][ T7704] netlink_sendmsg+0x723/0xbe0 [19527.389296][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19527.389296][ T7704] ___sys_sendmsg+0xee/0x170 [19527.389296][ T7704] __sys_sendmsg+0xcd/0x170 [19527.389296][ T7704] do_syscall_64+0xc6/0x1e0 [19527.389296][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19527.389296][ T7704] [19527.392117][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19527.392117][ T7704] netdev_get_by_index+0x5e/0x80 [19527.392117][ T7704] fib6_nh_init+0x3d8/0x15b0 [19527.392117][ T7704] ip6_route_info_create+0xf18/0x17d0 [19527.392117][ T7704] addrconf_f6i_alloc+0x315/0x560 [19527.392117][ T7704] ipv6_add_addr+0x411/0x2000 [19527.392117][ T7704] inet6_addr_add+0x30e/0xa40 [19527.392117][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19527.392117][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19527.392117][ T7704] netlink_rcv_skb+0x130/0x360 [19527.392117][ T7704] netlink_unicast+0x449/0x710 [19527.392117][ T7704] netlink_sendmsg+0x723/0xbe0 [19527.392117][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19527.392117][ T7704] ___sys_sendmsg+0xee/0x170 [19527.392117][ T7704] __sys_sendmsg+0xcd/0x170 [19527.392117][ T7704] do_syscall_64+0xc6/0x1e0 [19527.392117][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19527.392117][ T7704] [19527.394515][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19527.394515][ T7704] netdev_get_by_index+0x5e/0x80 [19527.394515][ T7704] fib6_nh_init+0x3d8/0x15b0 [19527.394515][ T7704] ip6_route_info_create+0xf18/0x17d0 [19527.394515][ T7704] ip6_route_add+0x1c/0x140 [19527.394515][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19527.394515][ T7704] addrconf_add_dev+0xe2/0x170 [19527.394515][ T7704] inet6_addr_add+0x12f/0xa40 [19527.394515][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19527.394515][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19527.394515][ T7704] netlink_rcv_skb+0x130/0x360 [19527.394515][ T7704] netlink_unicast+0x449/0x710 [19527.394515][ T7704] netlink_sendmsg+0x723/0xbe0 [19527.394515][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19527.394515][ T7704] ___sys_sendmsg+0xee/0x170 [19527.394515][ T7704] __sys_sendmsg+0xcd/0x170 [19527.394515][ T7704] do_syscall_64+0xc6/0x1e0 [19527.394515][ T7704] [19527.396809][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19527.396809][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19527.396809][ T7704] ipv6_find_idev+0x102/0x170 [19527.396809][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19527.396809][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19527.396809][ T7704] netlink_rcv_skb+0x130/0x360 [19527.396809][ T7704] netlink_unicast+0x449/0x710 [19527.396809][ T7704] netlink_sendmsg+0x723/0xbe0 [19527.396809][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19527.396809][ T7704] ___sys_sendmsg+0xee/0x170 [19527.396809][ T7704] __sys_sendmsg+0xcd/0x170 [19527.396809][ T7704] do_syscall_64+0xc6/0x1e0 [19527.396809][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19527.396809][ T7704] [19527.398658][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19527.398658][ T7704] neigh_parms_alloc+0x1e5/0x510 [19527.398658][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19527.398658][ T7704] ipv6_find_idev+0x102/0x170 [19527.398658][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19527.398658][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19527.398658][ T7704] netlink_rcv_skb+0x130/0x360 [19527.398658][ T7704] netlink_unicast+0x449/0x710 [19527.398658][ T7704] netlink_sendmsg+0x723/0xbe0 [19527.398658][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19527.398658][ T7704] ___sys_sendmsg+0xee/0x170 [19527.398658][ T7704] __sys_sendmsg+0xcd/0x170 [19527.398658][ T7704] do_syscall_64+0xc6/0x1e0 [19527.398658][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19527.398658][ T7704] [19537.636823][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19537.637320][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19537.637320][ T7704] netdev_get_by_index+0x5e/0x80 [19537.637320][ T7704] fib6_nh_init+0x3d8/0x15b0 [19537.637320][ T7704] ip6_route_info_create+0xf18/0x17d0 [19537.637320][ T7704] ip6_route_add+0x1c/0x140 [19537.637320][ T7704] addrconf_prefix_route+0x2a6/0x430 [19537.637320][ T7704] inet6_addr_add+0x4f8/0xa40 [19537.637320][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19537.637320][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19537.637320][ T7704] netlink_rcv_skb+0x130/0x360 [19537.637320][ T7704] netlink_unicast+0x449/0x710 [19537.637320][ T7704] netlink_sendmsg+0x723/0xbe0 [19537.637320][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19537.637320][ T7704] ___sys_sendmsg+0xee/0x170 [19537.637320][ T7704] __sys_sendmsg+0xcd/0x170 [19537.637320][ T7704] do_syscall_64+0xc6/0x1e0 [19537.637320][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19537.637320][ T7704] [19537.639579][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19537.639579][ T7704] netdev_get_by_index+0x5e/0x80 [19537.639579][ T7704] fib6_nh_init+0x3d8/0x15b0 [19537.639579][ T7704] ip6_route_info_create+0xf18/0x17d0 [19537.639579][ T7704] addrconf_f6i_alloc+0x315/0x560 [19537.639579][ T7704] ipv6_add_addr+0x411/0x2000 [19537.639579][ T7704] inet6_addr_add+0x30e/0xa40 [19537.639579][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19537.639579][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19537.639579][ T7704] netlink_rcv_skb+0x130/0x360 [19537.639579][ T7704] netlink_unicast+0x449/0x710 [19537.639579][ T7704] netlink_sendmsg+0x723/0xbe0 [19537.639579][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19537.639579][ T7704] ___sys_sendmsg+0xee/0x170 [19537.639579][ T7704] __sys_sendmsg+0xcd/0x170 [19537.639579][ T7704] do_syscall_64+0xc6/0x1e0 [19537.639579][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19537.639579][ T7704] [19537.641838][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19537.641838][ T7704] netdev_get_by_index+0x5e/0x80 [19537.641838][ T7704] fib6_nh_init+0x3d8/0x15b0 [19537.641838][ T7704] ip6_route_info_create+0xf18/0x17d0 [19537.641838][ T7704] ip6_route_add+0x1c/0x140 [19537.641838][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19537.641838][ T7704] addrconf_add_dev+0xe2/0x170 [19537.641838][ T7704] inet6_addr_add+0x12f/0xa40 [19537.641838][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19537.641838][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19537.641838][ T7704] netlink_rcv_skb+0x130/0x360 [19537.641838][ T7704] netlink_unicast+0x449/0x710 [19537.641838][ T7704] netlink_sendmsg+0x723/0xbe0 [19537.641838][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19537.641838][ T7704] ___sys_sendmsg+0xee/0x170 [19537.641838][ T7704] __sys_sendmsg+0xcd/0x170 [19537.641838][ T7704] do_syscall_64+0xc6/0x1e0 [19537.641838][ T7704] [19537.644029][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19537.644029][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19537.644029][ T7704] ipv6_find_idev+0x102/0x170 [19537.644029][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19537.644029][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19537.644029][ T7704] netlink_rcv_skb+0x130/0x360 [19537.644029][ T7704] netlink_unicast+0x449/0x710 [19537.644029][ T7704] netlink_sendmsg+0x723/0xbe0 [19537.644029][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19537.644029][ T7704] ___sys_sendmsg+0xee/0x170 [19537.644029][ T7704] __sys_sendmsg+0xcd/0x170 [19537.644029][ T7704] do_syscall_64+0xc6/0x1e0 [19537.644029][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19537.644029][ T7704] [19537.645747][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19537.645747][ T7704] neigh_parms_alloc+0x1e5/0x510 [19537.645747][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19537.645747][ T7704] ipv6_find_idev+0x102/0x170 [19537.645747][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19537.645747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19537.645747][ T7704] netlink_rcv_skb+0x130/0x360 [19537.645747][ T7704] netlink_unicast+0x449/0x710 [19537.645747][ T7704] netlink_sendmsg+0x723/0xbe0 [19537.645747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19537.645747][ T7704] ___sys_sendmsg+0xee/0x170 [19537.645747][ T7704] __sys_sendmsg+0xcd/0x170 [19537.645747][ T7704] do_syscall_64+0xc6/0x1e0 [19537.645747][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19537.645747][ T7704] [19547.884747][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19547.885224][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19547.885224][ T7704] netdev_get_by_index+0x5e/0x80 [19547.885224][ T7704] fib6_nh_init+0x3d8/0x15b0 [19547.885224][ T7704] ip6_route_info_create+0xf18/0x17d0 [19547.885224][ T7704] ip6_route_add+0x1c/0x140 [19547.885224][ T7704] addrconf_prefix_route+0x2a6/0x430 [19547.885224][ T7704] inet6_addr_add+0x4f8/0xa40 [19547.885224][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19547.885224][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19547.885224][ T7704] netlink_rcv_skb+0x130/0x360 [19547.885224][ T7704] netlink_unicast+0x449/0x710 [19547.885224][ T7704] netlink_sendmsg+0x723/0xbe0 [19547.885224][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19547.885224][ T7704] ___sys_sendmsg+0xee/0x170 [19547.885224][ T7704] __sys_sendmsg+0xcd/0x170 [19547.885224][ T7704] do_syscall_64+0xc6/0x1e0 [19547.885224][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19547.885224][ T7704] [19547.887474][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19547.887474][ T7704] netdev_get_by_index+0x5e/0x80 [19547.887474][ T7704] fib6_nh_init+0x3d8/0x15b0 [19547.887474][ T7704] ip6_route_info_create+0xf18/0x17d0 [19547.887474][ T7704] addrconf_f6i_alloc+0x315/0x560 [19547.887474][ T7704] ipv6_add_addr+0x411/0x2000 [19547.887474][ T7704] inet6_addr_add+0x30e/0xa40 [19547.887474][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19547.887474][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19547.887474][ T7704] netlink_rcv_skb+0x130/0x360 [19547.887474][ T7704] netlink_unicast+0x449/0x710 [19547.887474][ T7704] netlink_sendmsg+0x723/0xbe0 [19547.887474][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19547.887474][ T7704] ___sys_sendmsg+0xee/0x170 [19547.887474][ T7704] __sys_sendmsg+0xcd/0x170 [19547.887474][ T7704] do_syscall_64+0xc6/0x1e0 [19547.887474][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19547.887474][ T7704] [19547.889708][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19547.889708][ T7704] netdev_get_by_index+0x5e/0x80 [19547.889708][ T7704] fib6_nh_init+0x3d8/0x15b0 [19547.889708][ T7704] ip6_route_info_create+0xf18/0x17d0 [19547.889708][ T7704] ip6_route_add+0x1c/0x140 [19547.889708][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19547.889708][ T7704] addrconf_add_dev+0xe2/0x170 [19547.889708][ T7704] inet6_addr_add+0x12f/0xa40 [19547.889708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19547.889708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19547.889708][ T7704] netlink_rcv_skb+0x130/0x360 [19547.889708][ T7704] netlink_unicast+0x449/0x710 [19547.889708][ T7704] netlink_sendmsg+0x723/0xbe0 [19547.889708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19547.889708][ T7704] ___sys_sendmsg+0xee/0x170 [19547.889708][ T7704] __sys_sendmsg+0xcd/0x170 [19547.889708][ T7704] do_syscall_64+0xc6/0x1e0 [19547.889708][ T7704] [19547.891916][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19547.891916][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19547.891916][ T7704] ipv6_find_idev+0x102/0x170 [19547.891916][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19547.891916][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19547.891916][ T7704] netlink_rcv_skb+0x130/0x360 [19547.891916][ T7704] netlink_unicast+0x449/0x710 [19547.891916][ T7704] netlink_sendmsg+0x723/0xbe0 [19547.891916][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19547.891916][ T7704] ___sys_sendmsg+0xee/0x170 [19547.891916][ T7704] __sys_sendmsg+0xcd/0x170 [19547.891916][ T7704] do_syscall_64+0xc6/0x1e0 [19547.891916][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19547.891916][ T7704] [19547.893724][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19547.893724][ T7704] neigh_parms_alloc+0x1e5/0x510 [19547.893724][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19547.893724][ T7704] ipv6_find_idev+0x102/0x170 [19547.893724][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19547.893724][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19547.893724][ T7704] netlink_rcv_skb+0x130/0x360 [19547.893724][ T7704] netlink_unicast+0x449/0x710 [19547.893724][ T7704] netlink_sendmsg+0x723/0xbe0 [19547.893724][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19547.893724][ T7704] ___sys_sendmsg+0xee/0x170 [19547.893724][ T7704] __sys_sendmsg+0xcd/0x170 [19547.893724][ T7704] do_syscall_64+0xc6/0x1e0 [19547.893724][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19547.893724][ T7704] [19558.132772][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19558.133249][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19558.133249][ T7704] netdev_get_by_index+0x5e/0x80 [19558.133249][ T7704] fib6_nh_init+0x3d8/0x15b0 [19558.133249][ T7704] ip6_route_info_create+0xf18/0x17d0 [19558.133249][ T7704] ip6_route_add+0x1c/0x140 [19558.133249][ T7704] addrconf_prefix_route+0x2a6/0x430 [19558.133249][ T7704] inet6_addr_add+0x4f8/0xa40 [19558.133249][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19558.133249][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19558.133249][ T7704] netlink_rcv_skb+0x130/0x360 [19558.133249][ T7704] netlink_unicast+0x449/0x710 [19558.133249][ T7704] netlink_sendmsg+0x723/0xbe0 [19558.133249][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19558.133249][ T7704] ___sys_sendmsg+0xee/0x170 [19558.133249][ T7704] __sys_sendmsg+0xcd/0x170 [19558.133249][ T7704] do_syscall_64+0xc6/0x1e0 [19558.133249][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19558.133249][ T7704] [19558.135529][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19558.135529][ T7704] netdev_get_by_index+0x5e/0x80 [19558.135529][ T7704] fib6_nh_init+0x3d8/0x15b0 [19558.135529][ T7704] ip6_route_info_create+0xf18/0x17d0 [19558.135529][ T7704] addrconf_f6i_alloc+0x315/0x560 [19558.135529][ T7704] ipv6_add_addr+0x411/0x2000 [19558.135529][ T7704] inet6_addr_add+0x30e/0xa40 [19558.135529][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19558.135529][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19558.135529][ T7704] netlink_rcv_skb+0x130/0x360 [19558.135529][ T7704] netlink_unicast+0x449/0x710 [19558.135529][ T7704] netlink_sendmsg+0x723/0xbe0 [19558.135529][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19558.135529][ T7704] ___sys_sendmsg+0xee/0x170 [19558.135529][ T7704] __sys_sendmsg+0xcd/0x170 [19558.135529][ T7704] do_syscall_64+0xc6/0x1e0 [19558.135529][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19558.135529][ T7704] [19558.137762][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19558.137762][ T7704] netdev_get_by_index+0x5e/0x80 [19558.137762][ T7704] fib6_nh_init+0x3d8/0x15b0 [19558.137762][ T7704] ip6_route_info_create+0xf18/0x17d0 [19558.137762][ T7704] ip6_route_add+0x1c/0x140 [19558.137762][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19558.137762][ T7704] addrconf_add_dev+0xe2/0x170 [19558.137762][ T7704] inet6_addr_add+0x12f/0xa40 [19558.137762][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19558.137762][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19558.137762][ T7704] netlink_rcv_skb+0x130/0x360 [19558.137762][ T7704] netlink_unicast+0x449/0x710 [19558.137762][ T7704] netlink_sendmsg+0x723/0xbe0 [19558.137762][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19558.137762][ T7704] ___sys_sendmsg+0xee/0x170 [19558.137762][ T7704] __sys_sendmsg+0xcd/0x170 [19558.137762][ T7704] do_syscall_64+0xc6/0x1e0 [19558.137762][ T7704] [19558.139962][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19558.139962][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19558.139962][ T7704] ipv6_find_idev+0x102/0x170 [19558.139962][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19558.139962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19558.139962][ T7704] netlink_rcv_skb+0x130/0x360 [19558.139962][ T7704] netlink_unicast+0x449/0x710 [19558.139962][ T7704] netlink_sendmsg+0x723/0xbe0 [19558.139962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19558.139962][ T7704] ___sys_sendmsg+0xee/0x170 [19558.139962][ T7704] __sys_sendmsg+0xcd/0x170 [19558.139962][ T7704] do_syscall_64+0xc6/0x1e0 [19558.139962][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19558.139962][ T7704] [19558.141725][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19558.141725][ T7704] neigh_parms_alloc+0x1e5/0x510 [19558.141725][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19558.141725][ T7704] ipv6_find_idev+0x102/0x170 [19558.141725][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19558.141725][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19558.141725][ T7704] netlink_rcv_skb+0x130/0x360 [19558.141725][ T7704] netlink_unicast+0x449/0x710 [19558.141725][ T7704] netlink_sendmsg+0x723/0xbe0 [19558.141725][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19558.141725][ T7704] ___sys_sendmsg+0xee/0x170 [19558.141725][ T7704] __sys_sendmsg+0xcd/0x170 [19558.141725][ T7704] do_syscall_64+0xc6/0x1e0 [19558.141725][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19558.141725][ T7704] [19568.188756][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19568.189303][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19568.189303][ T7704] netdev_get_by_index+0x5e/0x80 [19568.189303][ T7704] fib6_nh_init+0x3d8/0x15b0 [19568.189303][ T7704] ip6_route_info_create+0xf18/0x17d0 [19568.189303][ T7704] ip6_route_add+0x1c/0x140 [19568.189303][ T7704] addrconf_prefix_route+0x2a6/0x430 [19568.189303][ T7704] inet6_addr_add+0x4f8/0xa40 [19568.189303][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19568.189303][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19568.189303][ T7704] netlink_rcv_skb+0x130/0x360 [19568.189303][ T7704] netlink_unicast+0x449/0x710 [19568.189303][ T7704] netlink_sendmsg+0x723/0xbe0 [19568.189303][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19568.189303][ T7704] ___sys_sendmsg+0xee/0x170 [19568.189303][ T7704] __sys_sendmsg+0xcd/0x170 [19568.189303][ T7704] do_syscall_64+0xc6/0x1e0 [19568.189303][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19568.189303][ T7704] [19568.192795][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19568.192795][ T7704] netdev_get_by_index+0x5e/0x80 [19568.192795][ T7704] fib6_nh_init+0x3d8/0x15b0 [19568.192795][ T7704] ip6_route_info_create+0xf18/0x17d0 [19568.192795][ T7704] addrconf_f6i_alloc+0x315/0x560 [19568.192795][ T7704] ipv6_add_addr+0x411/0x2000 [19568.192795][ T7704] inet6_addr_add+0x30e/0xa40 [19568.192795][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19568.192795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19568.192795][ T7704] netlink_rcv_skb+0x130/0x360 [19568.192795][ T7704] netlink_unicast+0x449/0x710 [19568.192795][ T7704] netlink_sendmsg+0x723/0xbe0 [19568.192795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19568.192795][ T7704] ___sys_sendmsg+0xee/0x170 [19568.192795][ T7704] __sys_sendmsg+0xcd/0x170 [19568.192795][ T7704] do_syscall_64+0xc6/0x1e0 [19568.192795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19568.192795][ T7704] [19568.196425][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19568.196425][ T7704] netdev_get_by_index+0x5e/0x80 [19568.196425][ T7704] fib6_nh_init+0x3d8/0x15b0 [19568.196425][ T7704] ip6_route_info_create+0xf18/0x17d0 [19568.196425][ T7704] ip6_route_add+0x1c/0x140 [19568.196425][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19568.196425][ T7704] addrconf_add_dev+0xe2/0x170 [19568.196425][ T7704] inet6_addr_add+0x12f/0xa40 [19568.196425][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19568.196425][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19568.196425][ T7704] netlink_rcv_skb+0x130/0x360 [19568.196425][ T7704] netlink_unicast+0x449/0x710 [19568.196425][ T7704] netlink_sendmsg+0x723/0xbe0 [19568.196425][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19568.196425][ T7704] ___sys_sendmsg+0xee/0x170 [19568.196425][ T7704] __sys_sendmsg+0xcd/0x170 [19568.196425][ T7704] do_syscall_64+0xc6/0x1e0 [19568.196425][ T7704] [19568.199810][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19568.199810][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19568.199810][ T7704] ipv6_find_idev+0x102/0x170 [19568.199810][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19568.199810][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19568.199810][ T7704] netlink_rcv_skb+0x130/0x360 [19568.199810][ T7704] netlink_unicast+0x449/0x710 [19568.199810][ T7704] netlink_sendmsg+0x723/0xbe0 [19568.199810][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19568.199810][ T7704] ___sys_sendmsg+0xee/0x170 [19568.199810][ T7704] __sys_sendmsg+0xcd/0x170 [19568.199810][ T7704] do_syscall_64+0xc6/0x1e0 [19568.199810][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19568.199810][ T7704] [19568.201567][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19568.201567][ T7704] neigh_parms_alloc+0x1e5/0x510 [19568.201567][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19568.201567][ T7704] ipv6_find_idev+0x102/0x170 [19568.201567][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19568.201567][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19568.201567][ T7704] netlink_rcv_skb+0x130/0x360 [19568.201567][ T7704] netlink_unicast+0x449/0x710 [19568.201567][ T7704] netlink_sendmsg+0x723/0xbe0 [19568.201567][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19568.201567][ T7704] ___sys_sendmsg+0xee/0x170 [19568.201567][ T7704] __sys_sendmsg+0xcd/0x170 [19568.201567][ T7704] do_syscall_64+0xc6/0x1e0 [19568.201567][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19568.201567][ T7704] [19578.260787][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19578.261642][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19578.261642][ T7704] netdev_get_by_index+0x5e/0x80 [19578.261642][ T7704] fib6_nh_init+0x3d8/0x15b0 [19578.261642][ T7704] ip6_route_info_create+0xf18/0x17d0 [19578.261642][ T7704] ip6_route_add+0x1c/0x140 [19578.261642][ T7704] addrconf_prefix_route+0x2a6/0x430 [19578.261642][ T7704] inet6_addr_add+0x4f8/0xa40 [19578.261642][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19578.261642][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19578.261642][ T7704] netlink_rcv_skb+0x130/0x360 [19578.261642][ T7704] netlink_unicast+0x449/0x710 [19578.261642][ T7704] netlink_sendmsg+0x723/0xbe0 [19578.261642][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19578.261642][ T7704] ___sys_sendmsg+0xee/0x170 [19578.261642][ T7704] __sys_sendmsg+0xcd/0x170 [19578.261642][ T7704] do_syscall_64+0xc6/0x1e0 [19578.261642][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19578.261642][ T7704] [19578.263946][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19578.263946][ T7704] netdev_get_by_index+0x5e/0x80 [19578.263946][ T7704] fib6_nh_init+0x3d8/0x15b0 [19578.263946][ T7704] ip6_route_info_create+0xf18/0x17d0 [19578.263946][ T7704] addrconf_f6i_alloc+0x315/0x560 [19578.263946][ T7704] ipv6_add_addr+0x411/0x2000 [19578.263946][ T7704] inet6_addr_add+0x30e/0xa40 [19578.263946][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19578.263946][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19578.263946][ T7704] netlink_rcv_skb+0x130/0x360 [19578.263946][ T7704] netlink_unicast+0x449/0x710 [19578.263946][ T7704] netlink_sendmsg+0x723/0xbe0 [19578.263946][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19578.263946][ T7704] ___sys_sendmsg+0xee/0x170 [19578.263946][ T7704] __sys_sendmsg+0xcd/0x170 [19578.263946][ T7704] do_syscall_64+0xc6/0x1e0 [19578.263946][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19578.263946][ T7704] [19578.266192][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19578.266192][ T7704] netdev_get_by_index+0x5e/0x80 [19578.266192][ T7704] fib6_nh_init+0x3d8/0x15b0 [19578.266192][ T7704] ip6_route_info_create+0xf18/0x17d0 [19578.266192][ T7704] ip6_route_add+0x1c/0x140 [19578.266192][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19578.266192][ T7704] addrconf_add_dev+0xe2/0x170 [19578.266192][ T7704] inet6_addr_add+0x12f/0xa40 [19578.266192][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19578.266192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19578.266192][ T7704] netlink_rcv_skb+0x130/0x360 [19578.266192][ T7704] netlink_unicast+0x449/0x710 [19578.266192][ T7704] netlink_sendmsg+0x723/0xbe0 [19578.266192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19578.266192][ T7704] ___sys_sendmsg+0xee/0x170 [19578.266192][ T7704] __sys_sendmsg+0xcd/0x170 [19578.266192][ T7704] do_syscall_64+0xc6/0x1e0 [19578.266192][ T7704] [19578.268408][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19578.268408][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19578.268408][ T7704] ipv6_find_idev+0x102/0x170 [19578.268408][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19578.268408][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19578.268408][ T7704] netlink_rcv_skb+0x130/0x360 [19578.268408][ T7704] netlink_unicast+0x449/0x710 [19578.268408][ T7704] netlink_sendmsg+0x723/0xbe0 [19578.268408][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19578.268408][ T7704] ___sys_sendmsg+0xee/0x170 [19578.268408][ T7704] __sys_sendmsg+0xcd/0x170 [19578.268408][ T7704] do_syscall_64+0xc6/0x1e0 [19578.268408][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19578.268408][ T7704] [19578.270136][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19578.270136][ T7704] neigh_parms_alloc+0x1e5/0x510 [19578.270136][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19578.270136][ T7704] ipv6_find_idev+0x102/0x170 [19578.270136][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19578.270136][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19578.270136][ T7704] netlink_rcv_skb+0x130/0x360 [19578.270136][ T7704] netlink_unicast+0x449/0x710 [19578.270136][ T7704] netlink_sendmsg+0x723/0xbe0 [19578.270136][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19578.270136][ T7704] ___sys_sendmsg+0xee/0x170 [19578.270136][ T7704] __sys_sendmsg+0xcd/0x170 [19578.270136][ T7704] do_syscall_64+0xc6/0x1e0 [19578.270136][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19578.270136][ T7704] [19588.380776][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19588.381259][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19588.381259][ T7704] netdev_get_by_index+0x5e/0x80 [19588.381259][ T7704] fib6_nh_init+0x3d8/0x15b0 [19588.381259][ T7704] ip6_route_info_create+0xf18/0x17d0 [19588.381259][ T7704] ip6_route_add+0x1c/0x140 [19588.381259][ T7704] addrconf_prefix_route+0x2a6/0x430 [19588.381259][ T7704] inet6_addr_add+0x4f8/0xa40 [19588.381259][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19588.381259][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19588.381259][ T7704] netlink_rcv_skb+0x130/0x360 [19588.381259][ T7704] netlink_unicast+0x449/0x710 [19588.381259][ T7704] netlink_sendmsg+0x723/0xbe0 [19588.381259][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19588.381259][ T7704] ___sys_sendmsg+0xee/0x170 [19588.381259][ T7704] __sys_sendmsg+0xcd/0x170 [19588.381259][ T7704] do_syscall_64+0xc6/0x1e0 [19588.381259][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19588.381259][ T7704] [19588.383753][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19588.383753][ T7704] netdev_get_by_index+0x5e/0x80 [19588.383753][ T7704] fib6_nh_init+0x3d8/0x15b0 [19588.383753][ T7704] ip6_route_info_create+0xf18/0x17d0 [19588.383753][ T7704] addrconf_f6i_alloc+0x315/0x560 [19588.383753][ T7704] ipv6_add_addr+0x411/0x2000 [19588.383753][ T7704] inet6_addr_add+0x30e/0xa40 [19588.383753][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19588.383753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19588.383753][ T7704] netlink_rcv_skb+0x130/0x360 [19588.383753][ T7704] netlink_unicast+0x449/0x710 [19588.383753][ T7704] netlink_sendmsg+0x723/0xbe0 [19588.383753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19588.383753][ T7704] ___sys_sendmsg+0xee/0x170 [19588.383753][ T7704] __sys_sendmsg+0xcd/0x170 [19588.383753][ T7704] do_syscall_64+0xc6/0x1e0 [19588.383753][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19588.383753][ T7704] [19588.386204][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19588.386204][ T7704] netdev_get_by_index+0x5e/0x80 [19588.386204][ T7704] fib6_nh_init+0x3d8/0x15b0 [19588.386204][ T7704] ip6_route_info_create+0xf18/0x17d0 [19588.386204][ T7704] ip6_route_add+0x1c/0x140 [19588.386204][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19588.386204][ T7704] addrconf_add_dev+0xe2/0x170 [19588.386204][ T7704] inet6_addr_add+0x12f/0xa40 [19588.386204][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19588.386204][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19588.386204][ T7704] netlink_rcv_skb+0x130/0x360 [19588.386204][ T7704] netlink_unicast+0x449/0x710 [19588.386204][ T7704] netlink_sendmsg+0x723/0xbe0 [19588.386204][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19588.386204][ T7704] ___sys_sendmsg+0xee/0x170 [19588.386204][ T7704] __sys_sendmsg+0xcd/0x170 [19588.386204][ T7704] do_syscall_64+0xc6/0x1e0 [19588.386204][ T7704] [19588.388600][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19588.388600][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19588.388600][ T7704] ipv6_find_idev+0x102/0x170 [19588.388600][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19588.388600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19588.388600][ T7704] netlink_rcv_skb+0x130/0x360 [19588.388600][ T7704] netlink_unicast+0x449/0x710 [19588.388600][ T7704] netlink_sendmsg+0x723/0xbe0 [19588.388600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19588.388600][ T7704] ___sys_sendmsg+0xee/0x170 [19588.388600][ T7704] __sys_sendmsg+0xcd/0x170 [19588.388600][ T7704] do_syscall_64+0xc6/0x1e0 [19588.388600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19588.388600][ T7704] [19588.390506][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19588.390506][ T7704] neigh_parms_alloc+0x1e5/0x510 [19588.390506][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19588.390506][ T7704] ipv6_find_idev+0x102/0x170 [19588.390506][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19588.390506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19588.390506][ T7704] netlink_rcv_skb+0x130/0x360 [19588.390506][ T7704] netlink_unicast+0x449/0x710 [19588.390506][ T7704] netlink_sendmsg+0x723/0xbe0 [19588.390506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19588.390506][ T7704] ___sys_sendmsg+0xee/0x170 [19588.390506][ T7704] __sys_sendmsg+0xcd/0x170 [19588.390506][ T7704] do_syscall_64+0xc6/0x1e0 [19588.390506][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19588.390506][ T7704] [19598.628745][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19598.629298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19598.629298][ T7704] netdev_get_by_index+0x5e/0x80 [19598.629298][ T7704] fib6_nh_init+0x3d8/0x15b0 [19598.629298][ T7704] ip6_route_info_create+0xf18/0x17d0 [19598.629298][ T7704] ip6_route_add+0x1c/0x140 [19598.629298][ T7704] addrconf_prefix_route+0x2a6/0x430 [19598.629298][ T7704] inet6_addr_add+0x4f8/0xa40 [19598.629298][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19598.629298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19598.629298][ T7704] netlink_rcv_skb+0x130/0x360 [19598.629298][ T7704] netlink_unicast+0x449/0x710 [19598.629298][ T7704] netlink_sendmsg+0x723/0xbe0 [19598.629298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19598.629298][ T7704] ___sys_sendmsg+0xee/0x170 [19598.629298][ T7704] __sys_sendmsg+0xcd/0x170 [19598.629298][ T7704] do_syscall_64+0xc6/0x1e0 [19598.629298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19598.629298][ T7704] [19598.632023][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19598.632023][ T7704] netdev_get_by_index+0x5e/0x80 [19598.632023][ T7704] fib6_nh_init+0x3d8/0x15b0 [19598.632023][ T7704] ip6_route_info_create+0xf18/0x17d0 [19598.632023][ T7704] addrconf_f6i_alloc+0x315/0x560 [19598.632023][ T7704] ipv6_add_addr+0x411/0x2000 [19598.632023][ T7704] inet6_addr_add+0x30e/0xa40 [19598.632023][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19598.632023][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19598.632023][ T7704] netlink_rcv_skb+0x130/0x360 [19598.632023][ T7704] netlink_unicast+0x449/0x710 [19598.632023][ T7704] netlink_sendmsg+0x723/0xbe0 [19598.632023][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19598.632023][ T7704] ___sys_sendmsg+0xee/0x170 [19598.632023][ T7704] __sys_sendmsg+0xcd/0x170 [19598.632023][ T7704] do_syscall_64+0xc6/0x1e0 [19598.632023][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19598.632023][ T7704] [19598.634718][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19598.634718][ T7704] netdev_get_by_index+0x5e/0x80 [19598.634718][ T7704] fib6_nh_init+0x3d8/0x15b0 [19598.634718][ T7704] ip6_route_info_create+0xf18/0x17d0 [19598.634718][ T7704] ip6_route_add+0x1c/0x140 [19598.634718][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19598.634718][ T7704] addrconf_add_dev+0xe2/0x170 [19598.634718][ T7704] inet6_addr_add+0x12f/0xa40 [19598.634718][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19598.634718][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19598.634718][ T7704] netlink_rcv_skb+0x130/0x360 [19598.634718][ T7704] netlink_unicast+0x449/0x710 [19598.634718][ T7704] netlink_sendmsg+0x723/0xbe0 [19598.634718][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19598.634718][ T7704] ___sys_sendmsg+0xee/0x170 [19598.634718][ T7704] __sys_sendmsg+0xcd/0x170 [19598.634718][ T7704] do_syscall_64+0xc6/0x1e0 [19598.634718][ T7704] [19598.637382][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19598.637382][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19598.637382][ T7704] ipv6_find_idev+0x102/0x170 [19598.637382][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19598.637382][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19598.637382][ T7704] netlink_rcv_skb+0x130/0x360 [19598.637382][ T7704] netlink_unicast+0x449/0x710 [19598.637382][ T7704] netlink_sendmsg+0x723/0xbe0 [19598.637382][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19598.637382][ T7704] ___sys_sendmsg+0xee/0x170 [19598.637382][ T7704] __sys_sendmsg+0xcd/0x170 [19598.637382][ T7704] do_syscall_64+0xc6/0x1e0 [19598.637382][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19598.637382][ T7704] [19598.639449][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19598.639449][ T7704] neigh_parms_alloc+0x1e5/0x510 [19598.639449][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19598.639449][ T7704] ipv6_find_idev+0x102/0x170 [19598.639449][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19598.639449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19598.639449][ T7704] netlink_rcv_skb+0x130/0x360 [19598.639449][ T7704] netlink_unicast+0x449/0x710 [19598.639449][ T7704] netlink_sendmsg+0x723/0xbe0 [19598.639449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19598.639449][ T7704] ___sys_sendmsg+0xee/0x170 [19598.639449][ T7704] __sys_sendmsg+0xcd/0x170 [19598.639449][ T7704] do_syscall_64+0xc6/0x1e0 [19598.639449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19598.639449][ T7704] [19608.884752][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19608.885203][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19608.885203][ T7704] netdev_get_by_index+0x5e/0x80 [19608.885203][ T7704] fib6_nh_init+0x3d8/0x15b0 [19608.885203][ T7704] ip6_route_info_create+0xf18/0x17d0 [19608.885203][ T7704] ip6_route_add+0x1c/0x140 [19608.885203][ T7704] addrconf_prefix_route+0x2a6/0x430 [19608.885203][ T7704] inet6_addr_add+0x4f8/0xa40 [19608.885203][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19608.885203][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19608.885203][ T7704] netlink_rcv_skb+0x130/0x360 [19608.885203][ T7704] netlink_unicast+0x449/0x710 [19608.885203][ T7704] netlink_sendmsg+0x723/0xbe0 [19608.885203][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19608.885203][ T7704] ___sys_sendmsg+0xee/0x170 [19608.885203][ T7704] __sys_sendmsg+0xcd/0x170 [19608.885203][ T7704] do_syscall_64+0xc6/0x1e0 [19608.885203][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19608.885203][ T7704] [19608.887466][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19608.887466][ T7704] netdev_get_by_index+0x5e/0x80 [19608.887466][ T7704] fib6_nh_init+0x3d8/0x15b0 [19608.887466][ T7704] ip6_route_info_create+0xf18/0x17d0 [19608.887466][ T7704] addrconf_f6i_alloc+0x315/0x560 [19608.887466][ T7704] ipv6_add_addr+0x411/0x2000 [19608.887466][ T7704] inet6_addr_add+0x30e/0xa40 [19608.887466][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19608.887466][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19608.887466][ T7704] netlink_rcv_skb+0x130/0x360 [19608.887466][ T7704] netlink_unicast+0x449/0x710 [19608.887466][ T7704] netlink_sendmsg+0x723/0xbe0 [19608.887466][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19608.887466][ T7704] ___sys_sendmsg+0xee/0x170 [19608.887466][ T7704] __sys_sendmsg+0xcd/0x170 [19608.887466][ T7704] do_syscall_64+0xc6/0x1e0 [19608.887466][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19608.887466][ T7704] [19608.889713][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19608.889713][ T7704] netdev_get_by_index+0x5e/0x80 [19608.889713][ T7704] fib6_nh_init+0x3d8/0x15b0 [19608.889713][ T7704] ip6_route_info_create+0xf18/0x17d0 [19608.889713][ T7704] ip6_route_add+0x1c/0x140 [19608.889713][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19608.889713][ T7704] addrconf_add_dev+0xe2/0x170 [19608.889713][ T7704] inet6_addr_add+0x12f/0xa40 [19608.889713][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19608.889713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19608.889713][ T7704] netlink_rcv_skb+0x130/0x360 [19608.889713][ T7704] netlink_unicast+0x449/0x710 [19608.889713][ T7704] netlink_sendmsg+0x723/0xbe0 [19608.889713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19608.889713][ T7704] ___sys_sendmsg+0xee/0x170 [19608.889713][ T7704] __sys_sendmsg+0xcd/0x170 [19608.889713][ T7704] do_syscall_64+0xc6/0x1e0 [19608.889713][ T7704] [19608.891925][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19608.891925][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19608.891925][ T7704] ipv6_find_idev+0x102/0x170 [19608.891925][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19608.891925][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19608.891925][ T7704] netlink_rcv_skb+0x130/0x360 [19608.891925][ T7704] netlink_unicast+0x449/0x710 [19608.891925][ T7704] netlink_sendmsg+0x723/0xbe0 [19608.891925][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19608.891925][ T7704] ___sys_sendmsg+0xee/0x170 [19608.891925][ T7704] __sys_sendmsg+0xcd/0x170 [19608.891925][ T7704] do_syscall_64+0xc6/0x1e0 [19608.891925][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19608.891925][ T7704] [19608.893617][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19608.893617][ T7704] neigh_parms_alloc+0x1e5/0x510 [19608.893617][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19608.893617][ T7704] ipv6_find_idev+0x102/0x170 [19608.893617][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19608.893617][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19608.893617][ T7704] netlink_rcv_skb+0x130/0x360 [19608.893617][ T7704] netlink_unicast+0x449/0x710 [19608.893617][ T7704] netlink_sendmsg+0x723/0xbe0 [19608.893617][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19608.893617][ T7704] ___sys_sendmsg+0xee/0x170 [19608.893617][ T7704] __sys_sendmsg+0xcd/0x170 [19608.893617][ T7704] do_syscall_64+0xc6/0x1e0 [19608.893617][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19608.893617][ T7704] [19619.148814][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19619.149377][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19619.149377][ T7704] netdev_get_by_index+0x5e/0x80 [19619.149377][ T7704] fib6_nh_init+0x3d8/0x15b0 [19619.149377][ T7704] ip6_route_info_create+0xf18/0x17d0 [19619.149377][ T7704] ip6_route_add+0x1c/0x140 [19619.149377][ T7704] addrconf_prefix_route+0x2a6/0x430 [19619.149377][ T7704] inet6_addr_add+0x4f8/0xa40 [19619.149377][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19619.149377][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19619.149377][ T7704] netlink_rcv_skb+0x130/0x360 [19619.149377][ T7704] netlink_unicast+0x449/0x710 [19619.149377][ T7704] netlink_sendmsg+0x723/0xbe0 [19619.149377][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19619.149377][ T7704] ___sys_sendmsg+0xee/0x170 [19619.149377][ T7704] __sys_sendmsg+0xcd/0x170 [19619.149377][ T7704] do_syscall_64+0xc6/0x1e0 [19619.149377][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19619.149377][ T7704] [19619.151707][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19619.151707][ T7704] netdev_get_by_index+0x5e/0x80 [19619.151707][ T7704] fib6_nh_init+0x3d8/0x15b0 [19619.151707][ T7704] ip6_route_info_create+0xf18/0x17d0 [19619.151707][ T7704] addrconf_f6i_alloc+0x315/0x560 [19619.151707][ T7704] ipv6_add_addr+0x411/0x2000 [19619.151707][ T7704] inet6_addr_add+0x30e/0xa40 [19619.151707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19619.151707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19619.151707][ T7704] netlink_rcv_skb+0x130/0x360 [19619.151707][ T7704] netlink_unicast+0x449/0x710 [19619.151707][ T7704] netlink_sendmsg+0x723/0xbe0 [19619.151707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19619.151707][ T7704] ___sys_sendmsg+0xee/0x170 [19619.151707][ T7704] __sys_sendmsg+0xcd/0x170 [19619.151707][ T7704] do_syscall_64+0xc6/0x1e0 [19619.151707][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19619.151707][ T7704] [19619.153917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19619.153917][ T7704] netdev_get_by_index+0x5e/0x80 [19619.153917][ T7704] fib6_nh_init+0x3d8/0x15b0 [19619.153917][ T7704] ip6_route_info_create+0xf18/0x17d0 [19619.153917][ T7704] ip6_route_add+0x1c/0x140 [19619.153917][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19619.153917][ T7704] addrconf_add_dev+0xe2/0x170 [19619.153917][ T7704] inet6_addr_add+0x12f/0xa40 [19619.153917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19619.153917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19619.153917][ T7704] netlink_rcv_skb+0x130/0x360 [19619.153917][ T7704] netlink_unicast+0x449/0x710 [19619.153917][ T7704] netlink_sendmsg+0x723/0xbe0 [19619.153917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19619.153917][ T7704] ___sys_sendmsg+0xee/0x170 [19619.153917][ T7704] __sys_sendmsg+0xcd/0x170 [19619.153917][ T7704] do_syscall_64+0xc6/0x1e0 [19619.153917][ T7704] [19619.156085][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19619.156085][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19619.156085][ T7704] ipv6_find_idev+0x102/0x170 [19619.156085][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19619.156085][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19619.156085][ T7704] netlink_rcv_skb+0x130/0x360 [19619.156085][ T7704] netlink_unicast+0x449/0x710 [19619.156085][ T7704] netlink_sendmsg+0x723/0xbe0 [19619.156085][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19619.156085][ T7704] ___sys_sendmsg+0xee/0x170 [19619.156085][ T7704] __sys_sendmsg+0xcd/0x170 [19619.156085][ T7704] do_syscall_64+0xc6/0x1e0 [19619.156085][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19619.156085][ T7704] [19619.157779][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19619.157779][ T7704] neigh_parms_alloc+0x1e5/0x510 [19619.157779][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19619.157779][ T7704] ipv6_find_idev+0x102/0x170 [19619.157779][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19619.157779][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19619.157779][ T7704] netlink_rcv_skb+0x130/0x360 [19619.157779][ T7704] netlink_unicast+0x449/0x710 [19619.157779][ T7704] netlink_sendmsg+0x723/0xbe0 [19619.157779][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19619.157779][ T7704] ___sys_sendmsg+0xee/0x170 [19619.157779][ T7704] __sys_sendmsg+0xcd/0x170 [19619.157779][ T7704] do_syscall_64+0xc6/0x1e0 [19619.157779][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19619.157779][ T7704] [19629.236881][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19629.237391][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19629.237391][ T7704] netdev_get_by_index+0x5e/0x80 [19629.237391][ T7704] fib6_nh_init+0x3d8/0x15b0 [19629.237391][ T7704] ip6_route_info_create+0xf18/0x17d0 [19629.237391][ T7704] ip6_route_add+0x1c/0x140 [19629.237391][ T7704] addrconf_prefix_route+0x2a6/0x430 [19629.237391][ T7704] inet6_addr_add+0x4f8/0xa40 [19629.237391][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19629.237391][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19629.237391][ T7704] netlink_rcv_skb+0x130/0x360 [19629.237391][ T7704] netlink_unicast+0x449/0x710 [19629.237391][ T7704] netlink_sendmsg+0x723/0xbe0 [19629.237391][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19629.237391][ T7704] ___sys_sendmsg+0xee/0x170 [19629.237391][ T7704] __sys_sendmsg+0xcd/0x170 [19629.237391][ T7704] do_syscall_64+0xc6/0x1e0 [19629.237391][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19629.237391][ T7704] [19629.239650][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19629.239650][ T7704] netdev_get_by_index+0x5e/0x80 [19629.239650][ T7704] fib6_nh_init+0x3d8/0x15b0 [19629.239650][ T7704] ip6_route_info_create+0xf18/0x17d0 [19629.239650][ T7704] addrconf_f6i_alloc+0x315/0x560 [19629.239650][ T7704] ipv6_add_addr+0x411/0x2000 [19629.239650][ T7704] inet6_addr_add+0x30e/0xa40 [19629.239650][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19629.239650][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19629.239650][ T7704] netlink_rcv_skb+0x130/0x360 [19629.239650][ T7704] netlink_unicast+0x449/0x710 [19629.239650][ T7704] netlink_sendmsg+0x723/0xbe0 [19629.239650][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19629.239650][ T7704] ___sys_sendmsg+0xee/0x170 [19629.239650][ T7704] __sys_sendmsg+0xcd/0x170 [19629.239650][ T7704] do_syscall_64+0xc6/0x1e0 [19629.239650][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19629.239650][ T7704] [19629.241870][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19629.241870][ T7704] netdev_get_by_index+0x5e/0x80 [19629.241870][ T7704] fib6_nh_init+0x3d8/0x15b0 [19629.241870][ T7704] ip6_route_info_create+0xf18/0x17d0 [19629.241870][ T7704] ip6_route_add+0x1c/0x140 [19629.241870][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19629.241870][ T7704] addrconf_add_dev+0xe2/0x170 [19629.241870][ T7704] inet6_addr_add+0x12f/0xa40 [19629.241870][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19629.241870][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19629.241870][ T7704] netlink_rcv_skb+0x130/0x360 [19629.241870][ T7704] netlink_unicast+0x449/0x710 [19629.241870][ T7704] netlink_sendmsg+0x723/0xbe0 [19629.241870][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19629.241870][ T7704] ___sys_sendmsg+0xee/0x170 [19629.241870][ T7704] __sys_sendmsg+0xcd/0x170 [19629.241870][ T7704] do_syscall_64+0xc6/0x1e0 [19629.241870][ T7704] [19629.244045][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19629.244045][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19629.244045][ T7704] ipv6_find_idev+0x102/0x170 [19629.244045][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19629.244045][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19629.244045][ T7704] netlink_rcv_skb+0x130/0x360 [19629.244045][ T7704] netlink_unicast+0x449/0x710 [19629.244045][ T7704] netlink_sendmsg+0x723/0xbe0 [19629.244045][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19629.244045][ T7704] ___sys_sendmsg+0xee/0x170 [19629.244045][ T7704] __sys_sendmsg+0xcd/0x170 [19629.244045][ T7704] do_syscall_64+0xc6/0x1e0 [19629.244045][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19629.244045][ T7704] [19629.245738][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19629.245738][ T7704] neigh_parms_alloc+0x1e5/0x510 [19629.245738][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19629.245738][ T7704] ipv6_find_idev+0x102/0x170 [19629.245738][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19629.245738][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19629.245738][ T7704] netlink_rcv_skb+0x130/0x360 [19629.245738][ T7704] netlink_unicast+0x449/0x710 [19629.245738][ T7704] netlink_sendmsg+0x723/0xbe0 [19629.245738][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19629.245738][ T7704] ___sys_sendmsg+0xee/0x170 [19629.245738][ T7704] __sys_sendmsg+0xcd/0x170 [19629.245738][ T7704] do_syscall_64+0xc6/0x1e0 [19629.245738][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19629.245738][ T7704] [19639.356769][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19639.357335][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19639.357335][ T7704] netdev_get_by_index+0x5e/0x80 [19639.357335][ T7704] fib6_nh_init+0x3d8/0x15b0 [19639.357335][ T7704] ip6_route_info_create+0xf18/0x17d0 [19639.357335][ T7704] ip6_route_add+0x1c/0x140 [19639.357335][ T7704] addrconf_prefix_route+0x2a6/0x430 [19639.357335][ T7704] inet6_addr_add+0x4f8/0xa40 [19639.357335][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19639.357335][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19639.357335][ T7704] netlink_rcv_skb+0x130/0x360 [19639.357335][ T7704] netlink_unicast+0x449/0x710 [19639.357335][ T7704] netlink_sendmsg+0x723/0xbe0 [19639.357335][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19639.357335][ T7704] ___sys_sendmsg+0xee/0x170 [19639.357335][ T7704] __sys_sendmsg+0xcd/0x170 [19639.357335][ T7704] do_syscall_64+0xc6/0x1e0 [19639.357335][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19639.357335][ T7704] [19639.359607][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19639.359607][ T7704] netdev_get_by_index+0x5e/0x80 [19639.359607][ T7704] fib6_nh_init+0x3d8/0x15b0 [19639.359607][ T7704] ip6_route_info_create+0xf18/0x17d0 [19639.359607][ T7704] addrconf_f6i_alloc+0x315/0x560 [19639.359607][ T7704] ipv6_add_addr+0x411/0x2000 [19639.359607][ T7704] inet6_addr_add+0x30e/0xa40 [19639.359607][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19639.359607][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19639.359607][ T7704] netlink_rcv_skb+0x130/0x360 [19639.359607][ T7704] netlink_unicast+0x449/0x710 [19639.359607][ T7704] netlink_sendmsg+0x723/0xbe0 [19639.359607][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19639.359607][ T7704] ___sys_sendmsg+0xee/0x170 [19639.359607][ T7704] __sys_sendmsg+0xcd/0x170 [19639.359607][ T7704] do_syscall_64+0xc6/0x1e0 [19639.359607][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19639.359607][ T7704] [19639.361867][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19639.361867][ T7704] netdev_get_by_index+0x5e/0x80 [19639.361867][ T7704] fib6_nh_init+0x3d8/0x15b0 [19639.361867][ T7704] ip6_route_info_create+0xf18/0x17d0 [19639.361867][ T7704] ip6_route_add+0x1c/0x140 [19639.361867][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19639.361867][ T7704] addrconf_add_dev+0xe2/0x170 [19639.361867][ T7704] inet6_addr_add+0x12f/0xa40 [19639.361867][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19639.361867][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19639.361867][ T7704] netlink_rcv_skb+0x130/0x360 [19639.361867][ T7704] netlink_unicast+0x449/0x710 [19639.361867][ T7704] netlink_sendmsg+0x723/0xbe0 [19639.361867][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19639.361867][ T7704] ___sys_sendmsg+0xee/0x170 [19639.361867][ T7704] __sys_sendmsg+0xcd/0x170 [19639.361867][ T7704] do_syscall_64+0xc6/0x1e0 [19639.361867][ T7704] [19639.364067][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19639.364067][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19639.364067][ T7704] ipv6_find_idev+0x102/0x170 [19639.364067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19639.364067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19639.364067][ T7704] netlink_rcv_skb+0x130/0x360 [19639.364067][ T7704] netlink_unicast+0x449/0x710 [19639.364067][ T7704] netlink_sendmsg+0x723/0xbe0 [19639.364067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19639.364067][ T7704] ___sys_sendmsg+0xee/0x170 [19639.364067][ T7704] __sys_sendmsg+0xcd/0x170 [19639.364067][ T7704] do_syscall_64+0xc6/0x1e0 [19639.364067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19639.364067][ T7704] [19639.365790][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19639.365790][ T7704] neigh_parms_alloc+0x1e5/0x510 [19639.365790][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19639.365790][ T7704] ipv6_find_idev+0x102/0x170 [19639.365790][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19639.365790][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19639.365790][ T7704] netlink_rcv_skb+0x130/0x360 [19639.365790][ T7704] netlink_unicast+0x449/0x710 [19639.365790][ T7704] netlink_sendmsg+0x723/0xbe0 [19639.365790][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19639.365790][ T7704] ___sys_sendmsg+0xee/0x170 [19639.365790][ T7704] __sys_sendmsg+0xcd/0x170 [19639.365790][ T7704] do_syscall_64+0xc6/0x1e0 [19639.365790][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19639.365790][ T7704] [19649.548788][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19649.549241][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19649.549241][ T7704] netdev_get_by_index+0x5e/0x80 [19649.549241][ T7704] fib6_nh_init+0x3d8/0x15b0 [19649.549241][ T7704] ip6_route_info_create+0xf18/0x17d0 [19649.549241][ T7704] ip6_route_add+0x1c/0x140 [19649.549241][ T7704] addrconf_prefix_route+0x2a6/0x430 [19649.549241][ T7704] inet6_addr_add+0x4f8/0xa40 [19649.549241][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19649.549241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19649.549241][ T7704] netlink_rcv_skb+0x130/0x360 [19649.549241][ T7704] netlink_unicast+0x449/0x710 [19649.549241][ T7704] netlink_sendmsg+0x723/0xbe0 [19649.549241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19649.549241][ T7704] ___sys_sendmsg+0xee/0x170 [19649.549241][ T7704] __sys_sendmsg+0xcd/0x170 [19649.549241][ T7704] do_syscall_64+0xc6/0x1e0 [19649.549241][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19649.549241][ T7704] [19649.551483][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19649.551483][ T7704] netdev_get_by_index+0x5e/0x80 [19649.551483][ T7704] fib6_nh_init+0x3d8/0x15b0 [19649.551483][ T7704] ip6_route_info_create+0xf18/0x17d0 [19649.551483][ T7704] addrconf_f6i_alloc+0x315/0x560 [19649.551483][ T7704] ipv6_add_addr+0x411/0x2000 [19649.551483][ T7704] inet6_addr_add+0x30e/0xa40 [19649.551483][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19649.551483][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19649.551483][ T7704] netlink_rcv_skb+0x130/0x360 [19649.551483][ T7704] netlink_unicast+0x449/0x710 [19649.551483][ T7704] netlink_sendmsg+0x723/0xbe0 [19649.551483][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19649.551483][ T7704] ___sys_sendmsg+0xee/0x170 [19649.551483][ T7704] __sys_sendmsg+0xcd/0x170 [19649.551483][ T7704] do_syscall_64+0xc6/0x1e0 [19649.551483][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19649.551483][ T7704] [19649.553777][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19649.553777][ T7704] netdev_get_by_index+0x5e/0x80 [19649.553777][ T7704] fib6_nh_init+0x3d8/0x15b0 [19649.553777][ T7704] ip6_route_info_create+0xf18/0x17d0 [19649.553777][ T7704] ip6_route_add+0x1c/0x140 [19649.553777][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19649.553777][ T7704] addrconf_add_dev+0xe2/0x170 [19649.553777][ T7704] inet6_addr_add+0x12f/0xa40 [19649.553777][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19649.553777][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19649.553777][ T7704] netlink_rcv_skb+0x130/0x360 [19649.553777][ T7704] netlink_unicast+0x449/0x710 [19649.553777][ T7704] netlink_sendmsg+0x723/0xbe0 [19649.553777][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19649.553777][ T7704] ___sys_sendmsg+0xee/0x170 [19649.553777][ T7704] __sys_sendmsg+0xcd/0x170 [19649.553777][ T7704] do_syscall_64+0xc6/0x1e0 [19649.553777][ T7704] [19649.556079][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19649.556079][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19649.556079][ T7704] ipv6_find_idev+0x102/0x170 [19649.556079][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19649.556079][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19649.556079][ T7704] netlink_rcv_skb+0x130/0x360 [19649.556079][ T7704] netlink_unicast+0x449/0x710 [19649.556079][ T7704] netlink_sendmsg+0x723/0xbe0 [19649.556079][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19649.556079][ T7704] ___sys_sendmsg+0xee/0x170 [19649.556079][ T7704] __sys_sendmsg+0xcd/0x170 [19649.556079][ T7704] do_syscall_64+0xc6/0x1e0 [19649.556079][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19649.556079][ T7704] [19649.557778][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19649.557778][ T7704] neigh_parms_alloc+0x1e5/0x510 [19649.557778][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19649.557778][ T7704] ipv6_find_idev+0x102/0x170 [19649.557778][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19649.557778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19649.557778][ T7704] netlink_rcv_skb+0x130/0x360 [19649.557778][ T7704] netlink_unicast+0x449/0x710 [19649.557778][ T7704] netlink_sendmsg+0x723/0xbe0 [19649.557778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19649.557778][ T7704] ___sys_sendmsg+0xee/0x170 [19649.557778][ T7704] __sys_sendmsg+0xcd/0x170 [19649.557778][ T7704] do_syscall_64+0xc6/0x1e0 [19649.557778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19649.557778][ T7704] [19659.660793][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19659.661347][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19659.661347][ T7704] netdev_get_by_index+0x5e/0x80 [19659.661347][ T7704] fib6_nh_init+0x3d8/0x15b0 [19659.661347][ T7704] ip6_route_info_create+0xf18/0x17d0 [19659.661347][ T7704] ip6_route_add+0x1c/0x140 [19659.661347][ T7704] addrconf_prefix_route+0x2a6/0x430 [19659.661347][ T7704] inet6_addr_add+0x4f8/0xa40 [19659.661347][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19659.661347][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19659.661347][ T7704] netlink_rcv_skb+0x130/0x360 [19659.661347][ T7704] netlink_unicast+0x449/0x710 [19659.661347][ T7704] netlink_sendmsg+0x723/0xbe0 [19659.661347][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19659.661347][ T7704] ___sys_sendmsg+0xee/0x170 [19659.661347][ T7704] __sys_sendmsg+0xcd/0x170 [19659.661347][ T7704] do_syscall_64+0xc6/0x1e0 [19659.661347][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19659.661347][ T7704] [19659.663587][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19659.663587][ T7704] netdev_get_by_index+0x5e/0x80 [19659.663587][ T7704] fib6_nh_init+0x3d8/0x15b0 [19659.663587][ T7704] ip6_route_info_create+0xf18/0x17d0 [19659.663587][ T7704] addrconf_f6i_alloc+0x315/0x560 [19659.663587][ T7704] ipv6_add_addr+0x411/0x2000 [19659.663587][ T7704] inet6_addr_add+0x30e/0xa40 [19659.663587][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19659.663587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19659.663587][ T7704] netlink_rcv_skb+0x130/0x360 [19659.663587][ T7704] netlink_unicast+0x449/0x710 [19659.663587][ T7704] netlink_sendmsg+0x723/0xbe0 [19659.663587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19659.663587][ T7704] ___sys_sendmsg+0xee/0x170 [19659.663587][ T7704] __sys_sendmsg+0xcd/0x170 [19659.663587][ T7704] do_syscall_64+0xc6/0x1e0 [19659.663587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19659.663587][ T7704] [19659.665802][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19659.665802][ T7704] netdev_get_by_index+0x5e/0x80 [19659.665802][ T7704] fib6_nh_init+0x3d8/0x15b0 [19659.665802][ T7704] ip6_route_info_create+0xf18/0x17d0 [19659.665802][ T7704] ip6_route_add+0x1c/0x140 [19659.665802][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19659.665802][ T7704] addrconf_add_dev+0xe2/0x170 [19659.665802][ T7704] inet6_addr_add+0x12f/0xa40 [19659.665802][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19659.665802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19659.665802][ T7704] netlink_rcv_skb+0x130/0x360 [19659.665802][ T7704] netlink_unicast+0x449/0x710 [19659.665802][ T7704] netlink_sendmsg+0x723/0xbe0 [19659.665802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19659.665802][ T7704] ___sys_sendmsg+0xee/0x170 [19659.665802][ T7704] __sys_sendmsg+0xcd/0x170 [19659.665802][ T7704] do_syscall_64+0xc6/0x1e0 [19659.665802][ T7704] [19659.667975][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19659.667975][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19659.667975][ T7704] ipv6_find_idev+0x102/0x170 [19659.667975][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19659.667975][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19659.667975][ T7704] netlink_rcv_skb+0x130/0x360 [19659.667975][ T7704] netlink_unicast+0x449/0x710 [19659.667975][ T7704] netlink_sendmsg+0x723/0xbe0 [19659.667975][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19659.667975][ T7704] ___sys_sendmsg+0xee/0x170 [19659.667975][ T7704] __sys_sendmsg+0xcd/0x170 [19659.667975][ T7704] do_syscall_64+0xc6/0x1e0 [19659.667975][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19659.667975][ T7704] [19659.669676][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19659.669676][ T7704] neigh_parms_alloc+0x1e5/0x510 [19659.669676][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19659.669676][ T7704] ipv6_find_idev+0x102/0x170 [19659.669676][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19659.669676][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19659.669676][ T7704] netlink_rcv_skb+0x130/0x360 [19659.669676][ T7704] netlink_unicast+0x449/0x710 [19659.669676][ T7704] netlink_sendmsg+0x723/0xbe0 [19659.669676][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19659.669676][ T7704] ___sys_sendmsg+0xee/0x170 [19659.669676][ T7704] __sys_sendmsg+0xcd/0x170 [19659.669676][ T7704] do_syscall_64+0xc6/0x1e0 [19659.669676][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19659.669676][ T7704] [19669.916832][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19669.917439][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19669.917439][ T7704] netdev_get_by_index+0x5e/0x80 [19669.917439][ T7704] fib6_nh_init+0x3d8/0x15b0 [19669.917439][ T7704] ip6_route_info_create+0xf18/0x17d0 [19669.917439][ T7704] ip6_route_add+0x1c/0x140 [19669.917439][ T7704] addrconf_prefix_route+0x2a6/0x430 [19669.917439][ T7704] inet6_addr_add+0x4f8/0xa40 [19669.917439][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19669.917439][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19669.917439][ T7704] netlink_rcv_skb+0x130/0x360 [19669.917439][ T7704] netlink_unicast+0x449/0x710 [19669.917439][ T7704] netlink_sendmsg+0x723/0xbe0 [19669.917439][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19669.917439][ T7704] ___sys_sendmsg+0xee/0x170 [19669.917439][ T7704] __sys_sendmsg+0xcd/0x170 [19669.917439][ T7704] do_syscall_64+0xc6/0x1e0 [19669.917439][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19669.917439][ T7704] [19669.921015][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19669.921015][ T7704] netdev_get_by_index+0x5e/0x80 [19669.921015][ T7704] fib6_nh_init+0x3d8/0x15b0 [19669.921015][ T7704] ip6_route_info_create+0xf18/0x17d0 [19669.921015][ T7704] addrconf_f6i_alloc+0x315/0x560 [19669.921015][ T7704] ipv6_add_addr+0x411/0x2000 [19669.921015][ T7704] inet6_addr_add+0x30e/0xa40 [19669.921015][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19669.921015][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19669.921015][ T7704] netlink_rcv_skb+0x130/0x360 [19669.921015][ T7704] netlink_unicast+0x449/0x710 [19669.921015][ T7704] netlink_sendmsg+0x723/0xbe0 [19669.921015][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19669.921015][ T7704] ___sys_sendmsg+0xee/0x170 [19669.921015][ T7704] __sys_sendmsg+0xcd/0x170 [19669.921015][ T7704] do_syscall_64+0xc6/0x1e0 [19669.921015][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19669.921015][ T7704] [19669.923237][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19669.923237][ T7704] netdev_get_by_index+0x5e/0x80 [19669.923237][ T7704] fib6_nh_init+0x3d8/0x15b0 [19669.923237][ T7704] ip6_route_info_create+0xf18/0x17d0 [19669.923237][ T7704] ip6_route_add+0x1c/0x140 [19669.923237][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19669.923237][ T7704] addrconf_add_dev+0xe2/0x170 [19669.923237][ T7704] inet6_addr_add+0x12f/0xa40 [19669.923237][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19669.923237][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19669.923237][ T7704] netlink_rcv_skb+0x130/0x360 [19669.923237][ T7704] netlink_unicast+0x449/0x710 [19669.923237][ T7704] netlink_sendmsg+0x723/0xbe0 [19669.923237][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19669.923237][ T7704] ___sys_sendmsg+0xee/0x170 [19669.923237][ T7704] __sys_sendmsg+0xcd/0x170 [19669.923237][ T7704] do_syscall_64+0xc6/0x1e0 [19669.923237][ T7704] [19669.925806][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19669.925806][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19669.925806][ T7704] ipv6_find_idev+0x102/0x170 [19669.925806][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19669.925806][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19669.925806][ T7704] netlink_rcv_skb+0x130/0x360 [19669.925806][ T7704] netlink_unicast+0x449/0x710 [19669.925806][ T7704] netlink_sendmsg+0x723/0xbe0 [19669.925806][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19669.925806][ T7704] ___sys_sendmsg+0xee/0x170 [19669.925806][ T7704] __sys_sendmsg+0xcd/0x170 [19669.925806][ T7704] do_syscall_64+0xc6/0x1e0 [19669.925806][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19669.925806][ T7704] [19669.927520][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19669.927520][ T7704] neigh_parms_alloc+0x1e5/0x510 [19669.927520][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19669.927520][ T7704] ipv6_find_idev+0x102/0x170 [19669.927520][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19669.927520][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19669.927520][ T7704] netlink_rcv_skb+0x130/0x360 [19669.927520][ T7704] netlink_unicast+0x449/0x710 [19669.927520][ T7704] netlink_sendmsg+0x723/0xbe0 [19669.927520][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19669.927520][ T7704] ___sys_sendmsg+0xee/0x170 [19669.927520][ T7704] __sys_sendmsg+0xcd/0x170 [19669.927520][ T7704] do_syscall_64+0xc6/0x1e0 [19669.927520][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19669.927520][ T7704] [19679.932745][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19679.933213][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19679.933213][ T7704] netdev_get_by_index+0x5e/0x80 [19679.933213][ T7704] fib6_nh_init+0x3d8/0x15b0 [19679.933213][ T7704] ip6_route_info_create+0xf18/0x17d0 [19679.933213][ T7704] ip6_route_add+0x1c/0x140 [19679.933213][ T7704] addrconf_prefix_route+0x2a6/0x430 [19679.933213][ T7704] inet6_addr_add+0x4f8/0xa40 [19679.933213][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19679.933213][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19679.933213][ T7704] netlink_rcv_skb+0x130/0x360 [19679.933213][ T7704] netlink_unicast+0x449/0x710 [19679.933213][ T7704] netlink_sendmsg+0x723/0xbe0 [19679.933213][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19679.933213][ T7704] ___sys_sendmsg+0xee/0x170 [19679.933213][ T7704] __sys_sendmsg+0xcd/0x170 [19679.933213][ T7704] do_syscall_64+0xc6/0x1e0 [19679.933213][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19679.933213][ T7704] [19679.935812][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19679.935812][ T7704] netdev_get_by_index+0x5e/0x80 [19679.935812][ T7704] fib6_nh_init+0x3d8/0x15b0 [19679.935812][ T7704] ip6_route_info_create+0xf18/0x17d0 [19679.935812][ T7704] addrconf_f6i_alloc+0x315/0x560 [19679.935812][ T7704] ipv6_add_addr+0x411/0x2000 [19679.935812][ T7704] inet6_addr_add+0x30e/0xa40 [19679.935812][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19679.935812][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19679.935812][ T7704] netlink_rcv_skb+0x130/0x360 [19679.935812][ T7704] netlink_unicast+0x449/0x710 [19679.935812][ T7704] netlink_sendmsg+0x723/0xbe0 [19679.935812][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19679.935812][ T7704] ___sys_sendmsg+0xee/0x170 [19679.935812][ T7704] __sys_sendmsg+0xcd/0x170 [19679.935812][ T7704] do_syscall_64+0xc6/0x1e0 [19679.935812][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19679.935812][ T7704] [19679.938312][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19679.938312][ T7704] netdev_get_by_index+0x5e/0x80 [19679.938312][ T7704] fib6_nh_init+0x3d8/0x15b0 [19679.938312][ T7704] ip6_route_info_create+0xf18/0x17d0 [19679.938312][ T7704] ip6_route_add+0x1c/0x140 [19679.938312][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19679.938312][ T7704] addrconf_add_dev+0xe2/0x170 [19679.938312][ T7704] inet6_addr_add+0x12f/0xa40 [19679.938312][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19679.938312][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19679.938312][ T7704] netlink_rcv_skb+0x130/0x360 [19679.938312][ T7704] netlink_unicast+0x449/0x710 [19679.938312][ T7704] netlink_sendmsg+0x723/0xbe0 [19679.938312][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19679.938312][ T7704] ___sys_sendmsg+0xee/0x170 [19679.938312][ T7704] __sys_sendmsg+0xcd/0x170 [19679.938312][ T7704] do_syscall_64+0xc6/0x1e0 [19679.938312][ T7704] [19679.940782][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19679.940782][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19679.940782][ T7704] ipv6_find_idev+0x102/0x170 [19679.940782][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19679.940782][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19679.940782][ T7704] netlink_rcv_skb+0x130/0x360 [19679.940782][ T7704] netlink_unicast+0x449/0x710 [19679.940782][ T7704] netlink_sendmsg+0x723/0xbe0 [19679.940782][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19679.940782][ T7704] ___sys_sendmsg+0xee/0x170 [19679.940782][ T7704] __sys_sendmsg+0xcd/0x170 [19679.940782][ T7704] do_syscall_64+0xc6/0x1e0 [19679.940782][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19679.940782][ T7704] [19679.942746][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19679.942746][ T7704] neigh_parms_alloc+0x1e5/0x510 [19679.942746][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19679.942746][ T7704] ipv6_find_idev+0x102/0x170 [19679.942746][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19679.942746][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19679.942746][ T7704] netlink_rcv_skb+0x130/0x360 [19679.942746][ T7704] netlink_unicast+0x449/0x710 [19679.942746][ T7704] netlink_sendmsg+0x723/0xbe0 [19679.942746][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19679.942746][ T7704] ___sys_sendmsg+0xee/0x170 [19679.942746][ T7704] __sys_sendmsg+0xcd/0x170 [19679.942746][ T7704] do_syscall_64+0xc6/0x1e0 [19679.942746][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19679.942746][ T7704] [19690.180851][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19690.181346][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19690.181346][ T7704] netdev_get_by_index+0x5e/0x80 [19690.181346][ T7704] fib6_nh_init+0x3d8/0x15b0 [19690.181346][ T7704] ip6_route_info_create+0xf18/0x17d0 [19690.181346][ T7704] ip6_route_add+0x1c/0x140 [19690.181346][ T7704] addrconf_prefix_route+0x2a6/0x430 [19690.181346][ T7704] inet6_addr_add+0x4f8/0xa40 [19690.181346][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19690.181346][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19690.181346][ T7704] netlink_rcv_skb+0x130/0x360 [19690.181346][ T7704] netlink_unicast+0x449/0x710 [19690.181346][ T7704] netlink_sendmsg+0x723/0xbe0 [19690.181346][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19690.181346][ T7704] ___sys_sendmsg+0xee/0x170 [19690.181346][ T7704] __sys_sendmsg+0xcd/0x170 [19690.181346][ T7704] do_syscall_64+0xc6/0x1e0 [19690.181346][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19690.181346][ T7704] [19690.183564][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19690.183564][ T7704] netdev_get_by_index+0x5e/0x80 [19690.183564][ T7704] fib6_nh_init+0x3d8/0x15b0 [19690.183564][ T7704] ip6_route_info_create+0xf18/0x17d0 [19690.183564][ T7704] addrconf_f6i_alloc+0x315/0x560 [19690.183564][ T7704] ipv6_add_addr+0x411/0x2000 [19690.183564][ T7704] inet6_addr_add+0x30e/0xa40 [19690.183564][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19690.183564][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19690.183564][ T7704] netlink_rcv_skb+0x130/0x360 [19690.183564][ T7704] netlink_unicast+0x449/0x710 [19690.183564][ T7704] netlink_sendmsg+0x723/0xbe0 [19690.183564][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19690.183564][ T7704] ___sys_sendmsg+0xee/0x170 [19690.183564][ T7704] __sys_sendmsg+0xcd/0x170 [19690.183564][ T7704] do_syscall_64+0xc6/0x1e0 [19690.183564][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19690.183564][ T7704] [19690.185768][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19690.185768][ T7704] netdev_get_by_index+0x5e/0x80 [19690.185768][ T7704] fib6_nh_init+0x3d8/0x15b0 [19690.185768][ T7704] ip6_route_info_create+0xf18/0x17d0 [19690.185768][ T7704] ip6_route_add+0x1c/0x140 [19690.185768][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19690.185768][ T7704] addrconf_add_dev+0xe2/0x170 [19690.185768][ T7704] inet6_addr_add+0x12f/0xa40 [19690.185768][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19690.185768][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19690.185768][ T7704] netlink_rcv_skb+0x130/0x360 [19690.185768][ T7704] netlink_unicast+0x449/0x710 [19690.185768][ T7704] netlink_sendmsg+0x723/0xbe0 [19690.185768][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19690.185768][ T7704] ___sys_sendmsg+0xee/0x170 [19690.185768][ T7704] __sys_sendmsg+0xcd/0x170 [19690.185768][ T7704] do_syscall_64+0xc6/0x1e0 [19690.185768][ T7704] [19690.187942][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19690.187942][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19690.187942][ T7704] ipv6_find_idev+0x102/0x170 [19690.187942][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19690.187942][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19690.187942][ T7704] netlink_rcv_skb+0x130/0x360 [19690.187942][ T7704] netlink_unicast+0x449/0x710 [19690.187942][ T7704] netlink_sendmsg+0x723/0xbe0 [19690.187942][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19690.187942][ T7704] ___sys_sendmsg+0xee/0x170 [19690.187942][ T7704] __sys_sendmsg+0xcd/0x170 [19690.187942][ T7704] do_syscall_64+0xc6/0x1e0 [19690.187942][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19690.187942][ T7704] [19690.189636][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19690.189636][ T7704] neigh_parms_alloc+0x1e5/0x510 [19690.189636][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19690.189636][ T7704] ipv6_find_idev+0x102/0x170 [19690.189636][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19690.189636][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19690.189636][ T7704] netlink_rcv_skb+0x130/0x360 [19690.189636][ T7704] netlink_unicast+0x449/0x710 [19690.189636][ T7704] netlink_sendmsg+0x723/0xbe0 [19690.189636][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19690.189636][ T7704] ___sys_sendmsg+0xee/0x170 [19690.189636][ T7704] __sys_sendmsg+0xcd/0x170 [19690.189636][ T7704] do_syscall_64+0xc6/0x1e0 [19690.189636][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19690.189636][ T7704] [19700.428801][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19700.429251][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19700.429251][ T7704] netdev_get_by_index+0x5e/0x80 [19700.429251][ T7704] fib6_nh_init+0x3d8/0x15b0 [19700.429251][ T7704] ip6_route_info_create+0xf18/0x17d0 [19700.429251][ T7704] ip6_route_add+0x1c/0x140 [19700.429251][ T7704] addrconf_prefix_route+0x2a6/0x430 [19700.429251][ T7704] inet6_addr_add+0x4f8/0xa40 [19700.429251][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19700.429251][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19700.429251][ T7704] netlink_rcv_skb+0x130/0x360 [19700.429251][ T7704] netlink_unicast+0x449/0x710 [19700.429251][ T7704] netlink_sendmsg+0x723/0xbe0 [19700.429251][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19700.429251][ T7704] ___sys_sendmsg+0xee/0x170 [19700.429251][ T7704] __sys_sendmsg+0xcd/0x170 [19700.429251][ T7704] do_syscall_64+0xc6/0x1e0 [19700.429251][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19700.429251][ T7704] [19700.431496][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19700.431496][ T7704] netdev_get_by_index+0x5e/0x80 [19700.431496][ T7704] fib6_nh_init+0x3d8/0x15b0 [19700.431496][ T7704] ip6_route_info_create+0xf18/0x17d0 [19700.431496][ T7704] addrconf_f6i_alloc+0x315/0x560 [19700.431496][ T7704] ipv6_add_addr+0x411/0x2000 [19700.431496][ T7704] inet6_addr_add+0x30e/0xa40 [19700.431496][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19700.431496][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19700.431496][ T7704] netlink_rcv_skb+0x130/0x360 [19700.431496][ T7704] netlink_unicast+0x449/0x710 [19700.431496][ T7704] netlink_sendmsg+0x723/0xbe0 [19700.431496][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19700.431496][ T7704] ___sys_sendmsg+0xee/0x170 [19700.431496][ T7704] __sys_sendmsg+0xcd/0x170 [19700.431496][ T7704] do_syscall_64+0xc6/0x1e0 [19700.431496][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19700.431496][ T7704] [19700.433707][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19700.433707][ T7704] netdev_get_by_index+0x5e/0x80 [19700.433707][ T7704] fib6_nh_init+0x3d8/0x15b0 [19700.433707][ T7704] ip6_route_info_create+0xf18/0x17d0 [19700.433707][ T7704] ip6_route_add+0x1c/0x140 [19700.433707][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19700.433707][ T7704] addrconf_add_dev+0xe2/0x170 [19700.433707][ T7704] inet6_addr_add+0x12f/0xa40 [19700.433707][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19700.433707][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19700.433707][ T7704] netlink_rcv_skb+0x130/0x360 [19700.433707][ T7704] netlink_unicast+0x449/0x710 [19700.433707][ T7704] netlink_sendmsg+0x723/0xbe0 [19700.433707][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19700.433707][ T7704] ___sys_sendmsg+0xee/0x170 [19700.433707][ T7704] __sys_sendmsg+0xcd/0x170 [19700.433707][ T7704] do_syscall_64+0xc6/0x1e0 [19700.433707][ T7704] [19700.435872][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19700.435872][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19700.435872][ T7704] ipv6_find_idev+0x102/0x170 [19700.435872][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19700.435872][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19700.435872][ T7704] netlink_rcv_skb+0x130/0x360 [19700.435872][ T7704] netlink_unicast+0x449/0x710 [19700.435872][ T7704] netlink_sendmsg+0x723/0xbe0 [19700.435872][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19700.435872][ T7704] ___sys_sendmsg+0xee/0x170 [19700.435872][ T7704] __sys_sendmsg+0xcd/0x170 [19700.435872][ T7704] do_syscall_64+0xc6/0x1e0 [19700.435872][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19700.435872][ T7704] [19700.437577][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19700.437577][ T7704] neigh_parms_alloc+0x1e5/0x510 [19700.437577][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19700.437577][ T7704] ipv6_find_idev+0x102/0x170 [19700.437577][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19700.437577][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19700.437577][ T7704] netlink_rcv_skb+0x130/0x360 [19700.437577][ T7704] netlink_unicast+0x449/0x710 [19700.437577][ T7704] netlink_sendmsg+0x723/0xbe0 [19700.437577][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19700.437577][ T7704] ___sys_sendmsg+0xee/0x170 [19700.437577][ T7704] __sys_sendmsg+0xcd/0x170 [19700.437577][ T7704] do_syscall_64+0xc6/0x1e0 [19700.437577][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19700.437577][ T7704] [19710.676803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19710.677236][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19710.677236][ T7704] netdev_get_by_index+0x5e/0x80 [19710.677236][ T7704] fib6_nh_init+0x3d8/0x15b0 [19710.677236][ T7704] ip6_route_info_create+0xf18/0x17d0 [19710.677236][ T7704] ip6_route_add+0x1c/0x140 [19710.677236][ T7704] addrconf_prefix_route+0x2a6/0x430 [19710.677236][ T7704] inet6_addr_add+0x4f8/0xa40 [19710.677236][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19710.677236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19710.677236][ T7704] netlink_rcv_skb+0x130/0x360 [19710.677236][ T7704] netlink_unicast+0x449/0x710 [19710.677236][ T7704] netlink_sendmsg+0x723/0xbe0 [19710.677236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19710.677236][ T7704] ___sys_sendmsg+0xee/0x170 [19710.677236][ T7704] __sys_sendmsg+0xcd/0x170 [19710.677236][ T7704] do_syscall_64+0xc6/0x1e0 [19710.677236][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19710.677236][ T7704] [19710.679460][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19710.679460][ T7704] netdev_get_by_index+0x5e/0x80 [19710.679460][ T7704] fib6_nh_init+0x3d8/0x15b0 [19710.679460][ T7704] ip6_route_info_create+0xf18/0x17d0 [19710.679460][ T7704] addrconf_f6i_alloc+0x315/0x560 [19710.679460][ T7704] ipv6_add_addr+0x411/0x2000 [19710.679460][ T7704] inet6_addr_add+0x30e/0xa40 [19710.679460][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19710.679460][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19710.679460][ T7704] netlink_rcv_skb+0x130/0x360 [19710.679460][ T7704] netlink_unicast+0x449/0x710 [19710.679460][ T7704] netlink_sendmsg+0x723/0xbe0 [19710.679460][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19710.679460][ T7704] ___sys_sendmsg+0xee/0x170 [19710.679460][ T7704] __sys_sendmsg+0xcd/0x170 [19710.679460][ T7704] do_syscall_64+0xc6/0x1e0 [19710.679460][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19710.679460][ T7704] [19710.681677][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19710.681677][ T7704] netdev_get_by_index+0x5e/0x80 [19710.681677][ T7704] fib6_nh_init+0x3d8/0x15b0 [19710.681677][ T7704] ip6_route_info_create+0xf18/0x17d0 [19710.681677][ T7704] ip6_route_add+0x1c/0x140 [19710.681677][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19710.681677][ T7704] addrconf_add_dev+0xe2/0x170 [19710.681677][ T7704] inet6_addr_add+0x12f/0xa40 [19710.681677][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19710.681677][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19710.681677][ T7704] netlink_rcv_skb+0x130/0x360 [19710.681677][ T7704] netlink_unicast+0x449/0x710 [19710.681677][ T7704] netlink_sendmsg+0x723/0xbe0 [19710.681677][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19710.681677][ T7704] ___sys_sendmsg+0xee/0x170 [19710.681677][ T7704] __sys_sendmsg+0xcd/0x170 [19710.681677][ T7704] do_syscall_64+0xc6/0x1e0 [19710.681677][ T7704] [19710.683848][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19710.683848][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19710.683848][ T7704] ipv6_find_idev+0x102/0x170 [19710.683848][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19710.683848][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19710.683848][ T7704] netlink_rcv_skb+0x130/0x360 [19710.683848][ T7704] netlink_unicast+0x449/0x710 [19710.683848][ T7704] netlink_sendmsg+0x723/0xbe0 [19710.683848][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19710.683848][ T7704] ___sys_sendmsg+0xee/0x170 [19710.683848][ T7704] __sys_sendmsg+0xcd/0x170 [19710.683848][ T7704] do_syscall_64+0xc6/0x1e0 [19710.683848][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19710.683848][ T7704] [19710.686081][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19710.686081][ T7704] neigh_parms_alloc+0x1e5/0x510 [19710.686081][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19710.686081][ T7704] ipv6_find_idev+0x102/0x170 [19710.686081][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19710.686081][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19710.686081][ T7704] netlink_rcv_skb+0x130/0x360 [19710.686081][ T7704] netlink_unicast+0x449/0x710 [19710.686081][ T7704] netlink_sendmsg+0x723/0xbe0 [19710.686081][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19710.686081][ T7704] ___sys_sendmsg+0xee/0x170 [19710.686081][ T7704] __sys_sendmsg+0xcd/0x170 [19710.686081][ T7704] do_syscall_64+0xc6/0x1e0 [19710.686081][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19710.686081][ T7704] [19720.844762][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19720.845434][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19720.845434][ T7704] netdev_get_by_index+0x5e/0x80 [19720.845434][ T7704] fib6_nh_init+0x3d8/0x15b0 [19720.845434][ T7704] ip6_route_info_create+0xf18/0x17d0 [19720.845434][ T7704] ip6_route_add+0x1c/0x140 [19720.845434][ T7704] addrconf_prefix_route+0x2a6/0x430 [19720.845434][ T7704] inet6_addr_add+0x4f8/0xa40 [19720.845434][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19720.845434][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19720.845434][ T7704] netlink_rcv_skb+0x130/0x360 [19720.845434][ T7704] netlink_unicast+0x449/0x710 [19720.845434][ T7704] netlink_sendmsg+0x723/0xbe0 [19720.845434][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19720.845434][ T7704] ___sys_sendmsg+0xee/0x170 [19720.845434][ T7704] __sys_sendmsg+0xcd/0x170 [19720.845434][ T7704] do_syscall_64+0xc6/0x1e0 [19720.845434][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19720.845434][ T7704] [19720.848835][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19720.848835][ T7704] netdev_get_by_index+0x5e/0x80 [19720.848835][ T7704] fib6_nh_init+0x3d8/0x15b0 [19720.848835][ T7704] ip6_route_info_create+0xf18/0x17d0 [19720.848835][ T7704] addrconf_f6i_alloc+0x315/0x560 [19720.848835][ T7704] ipv6_add_addr+0x411/0x2000 [19720.848835][ T7704] inet6_addr_add+0x30e/0xa40 [19720.848835][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19720.848835][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19720.848835][ T7704] netlink_rcv_skb+0x130/0x360 [19720.848835][ T7704] netlink_unicast+0x449/0x710 [19720.848835][ T7704] netlink_sendmsg+0x723/0xbe0 [19720.848835][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19720.848835][ T7704] ___sys_sendmsg+0xee/0x170 [19720.848835][ T7704] __sys_sendmsg+0xcd/0x170 [19720.848835][ T7704] do_syscall_64+0xc6/0x1e0 [19720.848835][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19720.848835][ T7704] [19720.852199][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19720.852199][ T7704] netdev_get_by_index+0x5e/0x80 [19720.852199][ T7704] fib6_nh_init+0x3d8/0x15b0 [19720.852199][ T7704] ip6_route_info_create+0xf18/0x17d0 [19720.852199][ T7704] ip6_route_add+0x1c/0x140 [19720.852199][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19720.852199][ T7704] addrconf_add_dev+0xe2/0x170 [19720.852199][ T7704] inet6_addr_add+0x12f/0xa40 [19720.852199][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19720.852199][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19720.852199][ T7704] netlink_rcv_skb+0x130/0x360 [19720.852199][ T7704] netlink_unicast+0x449/0x710 [19720.852199][ T7704] netlink_sendmsg+0x723/0xbe0 [19720.852199][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19720.852199][ T7704] ___sys_sendmsg+0xee/0x170 [19720.852199][ T7704] __sys_sendmsg+0xcd/0x170 [19720.852199][ T7704] do_syscall_64+0xc6/0x1e0 [19720.852199][ T7704] [19720.854961][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19720.854961][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19720.854961][ T7704] ipv6_find_idev+0x102/0x170 [19720.854961][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19720.854961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19720.854961][ T7704] netlink_rcv_skb+0x130/0x360 [19720.854961][ T7704] netlink_unicast+0x449/0x710 [19720.854961][ T7704] netlink_sendmsg+0x723/0xbe0 [19720.854961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19720.854961][ T7704] ___sys_sendmsg+0xee/0x170 [19720.854961][ T7704] __sys_sendmsg+0xcd/0x170 [19720.854961][ T7704] do_syscall_64+0xc6/0x1e0 [19720.854961][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19720.854961][ T7704] [19720.857565][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19720.857565][ T7704] neigh_parms_alloc+0x1e5/0x510 [19720.857565][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19720.857565][ T7704] ipv6_find_idev+0x102/0x170 [19720.857565][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19720.857565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19720.857565][ T7704] netlink_rcv_skb+0x130/0x360 [19720.857565][ T7704] netlink_unicast+0x449/0x710 [19720.857565][ T7704] netlink_sendmsg+0x723/0xbe0 [19720.857565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19720.857565][ T7704] ___sys_sendmsg+0xee/0x170 [19720.857565][ T7704] __sys_sendmsg+0xcd/0x170 [19720.857565][ T7704] do_syscall_64+0xc6/0x1e0 [19720.857565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19720.857565][ T7704] [19731.100838][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19731.101356][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19731.101356][ T7704] netdev_get_by_index+0x5e/0x80 [19731.101356][ T7704] fib6_nh_init+0x3d8/0x15b0 [19731.101356][ T7704] ip6_route_info_create+0xf18/0x17d0 [19731.101356][ T7704] ip6_route_add+0x1c/0x140 [19731.101356][ T7704] addrconf_prefix_route+0x2a6/0x430 [19731.101356][ T7704] inet6_addr_add+0x4f8/0xa40 [19731.101356][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19731.101356][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19731.101356][ T7704] netlink_rcv_skb+0x130/0x360 [19731.101356][ T7704] netlink_unicast+0x449/0x710 [19731.101356][ T7704] netlink_sendmsg+0x723/0xbe0 [19731.101356][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19731.101356][ T7704] ___sys_sendmsg+0xee/0x170 [19731.101356][ T7704] __sys_sendmsg+0xcd/0x170 [19731.101356][ T7704] do_syscall_64+0xc6/0x1e0 [19731.101356][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19731.101356][ T7704] [19731.104064][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19731.104064][ T7704] netdev_get_by_index+0x5e/0x80 [19731.104064][ T7704] fib6_nh_init+0x3d8/0x15b0 [19731.104064][ T7704] ip6_route_info_create+0xf18/0x17d0 [19731.104064][ T7704] addrconf_f6i_alloc+0x315/0x560 [19731.104064][ T7704] ipv6_add_addr+0x411/0x2000 [19731.104064][ T7704] inet6_addr_add+0x30e/0xa40 [19731.104064][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19731.104064][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19731.104064][ T7704] netlink_rcv_skb+0x130/0x360 [19731.104064][ T7704] netlink_unicast+0x449/0x710 [19731.104064][ T7704] netlink_sendmsg+0x723/0xbe0 [19731.104064][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19731.104064][ T7704] ___sys_sendmsg+0xee/0x170 [19731.104064][ T7704] __sys_sendmsg+0xcd/0x170 [19731.104064][ T7704] do_syscall_64+0xc6/0x1e0 [19731.104064][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19731.104064][ T7704] [19731.106747][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19731.106747][ T7704] netdev_get_by_index+0x5e/0x80 [19731.106747][ T7704] fib6_nh_init+0x3d8/0x15b0 [19731.106747][ T7704] ip6_route_info_create+0xf18/0x17d0 [19731.106747][ T7704] ip6_route_add+0x1c/0x140 [19731.106747][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19731.106747][ T7704] addrconf_add_dev+0xe2/0x170 [19731.106747][ T7704] inet6_addr_add+0x12f/0xa40 [19731.106747][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19731.106747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19731.106747][ T7704] netlink_rcv_skb+0x130/0x360 [19731.106747][ T7704] netlink_unicast+0x449/0x710 [19731.106747][ T7704] netlink_sendmsg+0x723/0xbe0 [19731.106747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19731.106747][ T7704] ___sys_sendmsg+0xee/0x170 [19731.106747][ T7704] __sys_sendmsg+0xcd/0x170 [19731.106747][ T7704] do_syscall_64+0xc6/0x1e0 [19731.106747][ T7704] [19731.109927][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19731.109927][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19731.109927][ T7704] ipv6_find_idev+0x102/0x170 [19731.109927][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19731.109927][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19731.109927][ T7704] netlink_rcv_skb+0x130/0x360 [19731.109927][ T7704] netlink_unicast+0x449/0x710 [19731.109927][ T7704] netlink_sendmsg+0x723/0xbe0 [19731.109927][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19731.109927][ T7704] ___sys_sendmsg+0xee/0x170 [19731.109927][ T7704] __sys_sendmsg+0xcd/0x170 [19731.109927][ T7704] do_syscall_64+0xc6/0x1e0 [19731.109927][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19731.109927][ T7704] [19731.112005][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19731.112005][ T7704] neigh_parms_alloc+0x1e5/0x510 [19731.112005][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19731.112005][ T7704] ipv6_find_idev+0x102/0x170 [19731.112005][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19731.112005][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19731.112005][ T7704] netlink_rcv_skb+0x130/0x360 [19731.112005][ T7704] netlink_unicast+0x449/0x710 [19731.112005][ T7704] netlink_sendmsg+0x723/0xbe0 [19731.112005][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19731.112005][ T7704] ___sys_sendmsg+0xee/0x170 [19731.112005][ T7704] __sys_sendmsg+0xcd/0x170 [19731.112005][ T7704] do_syscall_64+0xc6/0x1e0 [19731.112005][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19731.112005][ T7704] [19741.356803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19741.357327][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19741.357327][ T7704] netdev_get_by_index+0x5e/0x80 [19741.357327][ T7704] fib6_nh_init+0x3d8/0x15b0 [19741.357327][ T7704] ip6_route_info_create+0xf18/0x17d0 [19741.357327][ T7704] ip6_route_add+0x1c/0x140 [19741.357327][ T7704] addrconf_prefix_route+0x2a6/0x430 [19741.357327][ T7704] inet6_addr_add+0x4f8/0xa40 [19741.357327][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19741.357327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19741.357327][ T7704] netlink_rcv_skb+0x130/0x360 [19741.357327][ T7704] netlink_unicast+0x449/0x710 [19741.357327][ T7704] netlink_sendmsg+0x723/0xbe0 [19741.357327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19741.357327][ T7704] ___sys_sendmsg+0xee/0x170 [19741.357327][ T7704] __sys_sendmsg+0xcd/0x170 [19741.357327][ T7704] do_syscall_64+0xc6/0x1e0 [19741.357327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19741.357327][ T7704] [19741.359575][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19741.359575][ T7704] netdev_get_by_index+0x5e/0x80 [19741.359575][ T7704] fib6_nh_init+0x3d8/0x15b0 [19741.359575][ T7704] ip6_route_info_create+0xf18/0x17d0 [19741.359575][ T7704] addrconf_f6i_alloc+0x315/0x560 [19741.359575][ T7704] ipv6_add_addr+0x411/0x2000 [19741.359575][ T7704] inet6_addr_add+0x30e/0xa40 [19741.359575][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19741.359575][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19741.359575][ T7704] netlink_rcv_skb+0x130/0x360 [19741.359575][ T7704] netlink_unicast+0x449/0x710 [19741.359575][ T7704] netlink_sendmsg+0x723/0xbe0 [19741.359575][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19741.359575][ T7704] ___sys_sendmsg+0xee/0x170 [19741.359575][ T7704] __sys_sendmsg+0xcd/0x170 [19741.359575][ T7704] do_syscall_64+0xc6/0x1e0 [19741.359575][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19741.359575][ T7704] [19741.361793][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19741.361793][ T7704] netdev_get_by_index+0x5e/0x80 [19741.361793][ T7704] fib6_nh_init+0x3d8/0x15b0 [19741.361793][ T7704] ip6_route_info_create+0xf18/0x17d0 [19741.361793][ T7704] ip6_route_add+0x1c/0x140 [19741.361793][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19741.361793][ T7704] addrconf_add_dev+0xe2/0x170 [19741.361793][ T7704] inet6_addr_add+0x12f/0xa40 [19741.361793][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19741.361793][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19741.361793][ T7704] netlink_rcv_skb+0x130/0x360 [19741.361793][ T7704] netlink_unicast+0x449/0x710 [19741.361793][ T7704] netlink_sendmsg+0x723/0xbe0 [19741.361793][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19741.361793][ T7704] ___sys_sendmsg+0xee/0x170 [19741.361793][ T7704] __sys_sendmsg+0xcd/0x170 [19741.361793][ T7704] do_syscall_64+0xc6/0x1e0 [19741.361793][ T7704] [19741.364352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19741.364352][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19741.364352][ T7704] ipv6_find_idev+0x102/0x170 [19741.364352][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19741.364352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19741.364352][ T7704] netlink_rcv_skb+0x130/0x360 [19741.364352][ T7704] netlink_unicast+0x449/0x710 [19741.364352][ T7704] netlink_sendmsg+0x723/0xbe0 [19741.364352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19741.364352][ T7704] ___sys_sendmsg+0xee/0x170 [19741.364352][ T7704] __sys_sendmsg+0xcd/0x170 [19741.364352][ T7704] do_syscall_64+0xc6/0x1e0 [19741.364352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19741.364352][ T7704] [19741.366056][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19741.366056][ T7704] neigh_parms_alloc+0x1e5/0x510 [19741.366056][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19741.366056][ T7704] ipv6_find_idev+0x102/0x170 [19741.366056][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19741.366056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19741.366056][ T7704] netlink_rcv_skb+0x130/0x360 [19741.366056][ T7704] netlink_unicast+0x449/0x710 [19741.366056][ T7704] netlink_sendmsg+0x723/0xbe0 [19741.366056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19741.366056][ T7704] ___sys_sendmsg+0xee/0x170 [19741.366056][ T7704] __sys_sendmsg+0xcd/0x170 [19741.366056][ T7704] do_syscall_64+0xc6/0x1e0 [19741.366056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19741.366056][ T7704] [19751.604799][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19751.605238][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19751.605238][ T7704] netdev_get_by_index+0x5e/0x80 [19751.605238][ T7704] fib6_nh_init+0x3d8/0x15b0 [19751.605238][ T7704] ip6_route_info_create+0xf18/0x17d0 [19751.605238][ T7704] ip6_route_add+0x1c/0x140 [19751.605238][ T7704] addrconf_prefix_route+0x2a6/0x430 [19751.605238][ T7704] inet6_addr_add+0x4f8/0xa40 [19751.605238][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19751.605238][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19751.605238][ T7704] netlink_rcv_skb+0x130/0x360 [19751.605238][ T7704] netlink_unicast+0x449/0x710 [19751.605238][ T7704] netlink_sendmsg+0x723/0xbe0 [19751.605238][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19751.605238][ T7704] ___sys_sendmsg+0xee/0x170 [19751.605238][ T7704] __sys_sendmsg+0xcd/0x170 [19751.605238][ T7704] do_syscall_64+0xc6/0x1e0 [19751.605238][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19751.605238][ T7704] [19751.607497][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19751.607497][ T7704] netdev_get_by_index+0x5e/0x80 [19751.607497][ T7704] fib6_nh_init+0x3d8/0x15b0 [19751.607497][ T7704] ip6_route_info_create+0xf18/0x17d0 [19751.607497][ T7704] addrconf_f6i_alloc+0x315/0x560 [19751.607497][ T7704] ipv6_add_addr+0x411/0x2000 [19751.607497][ T7704] inet6_addr_add+0x30e/0xa40 [19751.607497][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19751.607497][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19751.607497][ T7704] netlink_rcv_skb+0x130/0x360 [19751.607497][ T7704] netlink_unicast+0x449/0x710 [19751.607497][ T7704] netlink_sendmsg+0x723/0xbe0 [19751.607497][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19751.607497][ T7704] ___sys_sendmsg+0xee/0x170 [19751.607497][ T7704] __sys_sendmsg+0xcd/0x170 [19751.607497][ T7704] do_syscall_64+0xc6/0x1e0 [19751.607497][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19751.607497][ T7704] [19751.609715][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19751.609715][ T7704] netdev_get_by_index+0x5e/0x80 [19751.609715][ T7704] fib6_nh_init+0x3d8/0x15b0 [19751.609715][ T7704] ip6_route_info_create+0xf18/0x17d0 [19751.609715][ T7704] ip6_route_add+0x1c/0x140 [19751.609715][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19751.609715][ T7704] addrconf_add_dev+0xe2/0x170 [19751.609715][ T7704] inet6_addr_add+0x12f/0xa40 [19751.609715][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19751.609715][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19751.609715][ T7704] netlink_rcv_skb+0x130/0x360 [19751.609715][ T7704] netlink_unicast+0x449/0x710 [19751.609715][ T7704] netlink_sendmsg+0x723/0xbe0 [19751.609715][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19751.609715][ T7704] ___sys_sendmsg+0xee/0x170 [19751.609715][ T7704] __sys_sendmsg+0xcd/0x170 [19751.609715][ T7704] do_syscall_64+0xc6/0x1e0 [19751.609715][ T7704] [19751.611906][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19751.611906][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19751.611906][ T7704] ipv6_find_idev+0x102/0x170 [19751.611906][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19751.611906][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19751.611906][ T7704] netlink_rcv_skb+0x130/0x360 [19751.611906][ T7704] netlink_unicast+0x449/0x710 [19751.611906][ T7704] netlink_sendmsg+0x723/0xbe0 [19751.611906][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19751.611906][ T7704] ___sys_sendmsg+0xee/0x170 [19751.611906][ T7704] __sys_sendmsg+0xcd/0x170 [19751.611906][ T7704] do_syscall_64+0xc6/0x1e0 [19751.611906][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19751.611906][ T7704] [19751.613613][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19751.613613][ T7704] neigh_parms_alloc+0x1e5/0x510 [19751.613613][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19751.613613][ T7704] ipv6_find_idev+0x102/0x170 [19751.613613][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19751.613613][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19751.613613][ T7704] netlink_rcv_skb+0x130/0x360 [19751.613613][ T7704] netlink_unicast+0x449/0x710 [19751.613613][ T7704] netlink_sendmsg+0x723/0xbe0 [19751.613613][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19751.613613][ T7704] ___sys_sendmsg+0xee/0x170 [19751.613613][ T7704] __sys_sendmsg+0xcd/0x170 [19751.613613][ T7704] do_syscall_64+0xc6/0x1e0 [19751.613613][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19751.613613][ T7704] [19761.660843][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19761.661297][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19761.661297][ T7704] netdev_get_by_index+0x5e/0x80 [19761.661297][ T7704] fib6_nh_init+0x3d8/0x15b0 [19761.661297][ T7704] ip6_route_info_create+0xf18/0x17d0 [19761.661297][ T7704] ip6_route_add+0x1c/0x140 [19761.661297][ T7704] addrconf_prefix_route+0x2a6/0x430 [19761.661297][ T7704] inet6_addr_add+0x4f8/0xa40 [19761.661297][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19761.661297][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19761.661297][ T7704] netlink_rcv_skb+0x130/0x360 [19761.661297][ T7704] netlink_unicast+0x449/0x710 [19761.661297][ T7704] netlink_sendmsg+0x723/0xbe0 [19761.661297][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19761.661297][ T7704] ___sys_sendmsg+0xee/0x170 [19761.661297][ T7704] __sys_sendmsg+0xcd/0x170 [19761.661297][ T7704] do_syscall_64+0xc6/0x1e0 [19761.661297][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19761.661297][ T7704] [19761.663523][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19761.663523][ T7704] netdev_get_by_index+0x5e/0x80 [19761.663523][ T7704] fib6_nh_init+0x3d8/0x15b0 [19761.663523][ T7704] ip6_route_info_create+0xf18/0x17d0 [19761.663523][ T7704] addrconf_f6i_alloc+0x315/0x560 [19761.663523][ T7704] ipv6_add_addr+0x411/0x2000 [19761.663523][ T7704] inet6_addr_add+0x30e/0xa40 [19761.663523][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19761.663523][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19761.663523][ T7704] netlink_rcv_skb+0x130/0x360 [19761.663523][ T7704] netlink_unicast+0x449/0x710 [19761.663523][ T7704] netlink_sendmsg+0x723/0xbe0 [19761.663523][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19761.663523][ T7704] ___sys_sendmsg+0xee/0x170 [19761.663523][ T7704] __sys_sendmsg+0xcd/0x170 [19761.663523][ T7704] do_syscall_64+0xc6/0x1e0 [19761.663523][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19761.663523][ T7704] [19761.665734][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19761.665734][ T7704] netdev_get_by_index+0x5e/0x80 [19761.665734][ T7704] fib6_nh_init+0x3d8/0x15b0 [19761.665734][ T7704] ip6_route_info_create+0xf18/0x17d0 [19761.665734][ T7704] ip6_route_add+0x1c/0x140 [19761.665734][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19761.665734][ T7704] addrconf_add_dev+0xe2/0x170 [19761.665734][ T7704] inet6_addr_add+0x12f/0xa40 [19761.665734][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19761.665734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19761.665734][ T7704] netlink_rcv_skb+0x130/0x360 [19761.665734][ T7704] netlink_unicast+0x449/0x710 [19761.665734][ T7704] netlink_sendmsg+0x723/0xbe0 [19761.665734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19761.665734][ T7704] ___sys_sendmsg+0xee/0x170 [19761.665734][ T7704] __sys_sendmsg+0xcd/0x170 [19761.665734][ T7704] do_syscall_64+0xc6/0x1e0 [19761.665734][ T7704] [19761.667895][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19761.667895][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19761.667895][ T7704] ipv6_find_idev+0x102/0x170 [19761.667895][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19761.667895][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19761.667895][ T7704] netlink_rcv_skb+0x130/0x360 [19761.667895][ T7704] netlink_unicast+0x449/0x710 [19761.667895][ T7704] netlink_sendmsg+0x723/0xbe0 [19761.667895][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19761.667895][ T7704] ___sys_sendmsg+0xee/0x170 [19761.667895][ T7704] __sys_sendmsg+0xcd/0x170 [19761.667895][ T7704] do_syscall_64+0xc6/0x1e0 [19761.667895][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19761.667895][ T7704] [19761.669591][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19761.669591][ T7704] neigh_parms_alloc+0x1e5/0x510 [19761.669591][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19761.669591][ T7704] ipv6_find_idev+0x102/0x170 [19761.669591][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19761.669591][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19761.669591][ T7704] netlink_rcv_skb+0x130/0x360 [19761.669591][ T7704] netlink_unicast+0x449/0x710 [19761.669591][ T7704] netlink_sendmsg+0x723/0xbe0 [19761.669591][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19761.669591][ T7704] ___sys_sendmsg+0xee/0x170 [19761.669591][ T7704] __sys_sendmsg+0xcd/0x170 [19761.669591][ T7704] do_syscall_64+0xc6/0x1e0 [19761.669591][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19761.669591][ T7704] [19771.916833][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19771.917277][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19771.917277][ T7704] netdev_get_by_index+0x5e/0x80 [19771.917277][ T7704] fib6_nh_init+0x3d8/0x15b0 [19771.917277][ T7704] ip6_route_info_create+0xf18/0x17d0 [19771.917277][ T7704] ip6_route_add+0x1c/0x140 [19771.917277][ T7704] addrconf_prefix_route+0x2a6/0x430 [19771.917277][ T7704] inet6_addr_add+0x4f8/0xa40 [19771.917277][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19771.917277][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19771.917277][ T7704] netlink_rcv_skb+0x130/0x360 [19771.917277][ T7704] netlink_unicast+0x449/0x710 [19771.917277][ T7704] netlink_sendmsg+0x723/0xbe0 [19771.917277][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19771.917277][ T7704] ___sys_sendmsg+0xee/0x170 [19771.917277][ T7704] __sys_sendmsg+0xcd/0x170 [19771.917277][ T7704] do_syscall_64+0xc6/0x1e0 [19771.917277][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19771.917277][ T7704] [19771.919507][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19771.919507][ T7704] netdev_get_by_index+0x5e/0x80 [19771.919507][ T7704] fib6_nh_init+0x3d8/0x15b0 [19771.919507][ T7704] ip6_route_info_create+0xf18/0x17d0 [19771.919507][ T7704] addrconf_f6i_alloc+0x315/0x560 [19771.919507][ T7704] ipv6_add_addr+0x411/0x2000 [19771.919507][ T7704] inet6_addr_add+0x30e/0xa40 [19771.919507][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19771.919507][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19771.919507][ T7704] netlink_rcv_skb+0x130/0x360 [19771.919507][ T7704] netlink_unicast+0x449/0x710 [19771.919507][ T7704] netlink_sendmsg+0x723/0xbe0 [19771.919507][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19771.919507][ T7704] ___sys_sendmsg+0xee/0x170 [19771.919507][ T7704] __sys_sendmsg+0xcd/0x170 [19771.919507][ T7704] do_syscall_64+0xc6/0x1e0 [19771.919507][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19771.919507][ T7704] [19771.921731][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19771.921731][ T7704] netdev_get_by_index+0x5e/0x80 [19771.921731][ T7704] fib6_nh_init+0x3d8/0x15b0 [19771.921731][ T7704] ip6_route_info_create+0xf18/0x17d0 [19771.921731][ T7704] ip6_route_add+0x1c/0x140 [19771.921731][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19771.921731][ T7704] addrconf_add_dev+0xe2/0x170 [19771.921731][ T7704] inet6_addr_add+0x12f/0xa40 [19771.921731][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19771.921731][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19771.921731][ T7704] netlink_rcv_skb+0x130/0x360 [19771.921731][ T7704] netlink_unicast+0x449/0x710 [19771.921731][ T7704] netlink_sendmsg+0x723/0xbe0 [19771.921731][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19771.921731][ T7704] ___sys_sendmsg+0xee/0x170 [19771.921731][ T7704] __sys_sendmsg+0xcd/0x170 [19771.921731][ T7704] do_syscall_64+0xc6/0x1e0 [19771.921731][ T7704] [19771.923896][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19771.923896][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19771.923896][ T7704] ipv6_find_idev+0x102/0x170 [19771.923896][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19771.923896][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19771.923896][ T7704] netlink_rcv_skb+0x130/0x360 [19771.923896][ T7704] netlink_unicast+0x449/0x710 [19771.923896][ T7704] netlink_sendmsg+0x723/0xbe0 [19771.923896][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19771.923896][ T7704] ___sys_sendmsg+0xee/0x170 [19771.923896][ T7704] __sys_sendmsg+0xcd/0x170 [19771.923896][ T7704] do_syscall_64+0xc6/0x1e0 [19771.923896][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19771.923896][ T7704] [19771.925589][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19771.925589][ T7704] neigh_parms_alloc+0x1e5/0x510 [19771.925589][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19771.925589][ T7704] ipv6_find_idev+0x102/0x170 [19771.925589][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19771.925589][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19771.925589][ T7704] netlink_rcv_skb+0x130/0x360 [19771.925589][ T7704] netlink_unicast+0x449/0x710 [19771.925589][ T7704] netlink_sendmsg+0x723/0xbe0 [19771.925589][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19771.925589][ T7704] ___sys_sendmsg+0xee/0x170 [19771.925589][ T7704] __sys_sendmsg+0xcd/0x170 [19771.925589][ T7704] do_syscall_64+0xc6/0x1e0 [19771.925589][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19771.925589][ T7704] [19782.172779][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19782.173317][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19782.173317][ T7704] netdev_get_by_index+0x5e/0x80 [19782.173317][ T7704] fib6_nh_init+0x3d8/0x15b0 [19782.173317][ T7704] ip6_route_info_create+0xf18/0x17d0 [19782.173317][ T7704] ip6_route_add+0x1c/0x140 [19782.173317][ T7704] addrconf_prefix_route+0x2a6/0x430 [19782.173317][ T7704] inet6_addr_add+0x4f8/0xa40 [19782.173317][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19782.173317][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19782.173317][ T7704] netlink_rcv_skb+0x130/0x360 [19782.173317][ T7704] netlink_unicast+0x449/0x710 [19782.173317][ T7704] netlink_sendmsg+0x723/0xbe0 [19782.173317][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19782.173317][ T7704] ___sys_sendmsg+0xee/0x170 [19782.173317][ T7704] __sys_sendmsg+0xcd/0x170 [19782.173317][ T7704] do_syscall_64+0xc6/0x1e0 [19782.173317][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19782.173317][ T7704] [19782.175668][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19782.175668][ T7704] netdev_get_by_index+0x5e/0x80 [19782.175668][ T7704] fib6_nh_init+0x3d8/0x15b0 [19782.175668][ T7704] ip6_route_info_create+0xf18/0x17d0 [19782.175668][ T7704] addrconf_f6i_alloc+0x315/0x560 [19782.175668][ T7704] ipv6_add_addr+0x411/0x2000 [19782.175668][ T7704] inet6_addr_add+0x30e/0xa40 [19782.175668][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19782.175668][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19782.175668][ T7704] netlink_rcv_skb+0x130/0x360 [19782.175668][ T7704] netlink_unicast+0x449/0x710 [19782.175668][ T7704] netlink_sendmsg+0x723/0xbe0 [19782.175668][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19782.175668][ T7704] ___sys_sendmsg+0xee/0x170 [19782.175668][ T7704] __sys_sendmsg+0xcd/0x170 [19782.175668][ T7704] do_syscall_64+0xc6/0x1e0 [19782.175668][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19782.175668][ T7704] [19782.177986][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19782.177986][ T7704] netdev_get_by_index+0x5e/0x80 [19782.177986][ T7704] fib6_nh_init+0x3d8/0x15b0 [19782.177986][ T7704] ip6_route_info_create+0xf18/0x17d0 [19782.177986][ T7704] ip6_route_add+0x1c/0x140 [19782.177986][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19782.177986][ T7704] addrconf_add_dev+0xe2/0x170 [19782.177986][ T7704] inet6_addr_add+0x12f/0xa40 [19782.177986][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19782.177986][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19782.177986][ T7704] netlink_rcv_skb+0x130/0x360 [19782.177986][ T7704] netlink_unicast+0x449/0x710 [19782.177986][ T7704] netlink_sendmsg+0x723/0xbe0 [19782.177986][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19782.177986][ T7704] ___sys_sendmsg+0xee/0x170 [19782.177986][ T7704] __sys_sendmsg+0xcd/0x170 [19782.177986][ T7704] do_syscall_64+0xc6/0x1e0 [19782.177986][ T7704] [19782.180248][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19782.180248][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19782.180248][ T7704] ipv6_find_idev+0x102/0x170 [19782.180248][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19782.180248][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19782.180248][ T7704] netlink_rcv_skb+0x130/0x360 [19782.180248][ T7704] netlink_unicast+0x449/0x710 [19782.180248][ T7704] netlink_sendmsg+0x723/0xbe0 [19782.180248][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19782.180248][ T7704] ___sys_sendmsg+0xee/0x170 [19782.180248][ T7704] __sys_sendmsg+0xcd/0x170 [19782.180248][ T7704] do_syscall_64+0xc6/0x1e0 [19782.180248][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19782.180248][ T7704] [19782.182061][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19782.182061][ T7704] neigh_parms_alloc+0x1e5/0x510 [19782.182061][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19782.182061][ T7704] ipv6_find_idev+0x102/0x170 [19782.182061][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19782.182061][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19782.182061][ T7704] netlink_rcv_skb+0x130/0x360 [19782.182061][ T7704] netlink_unicast+0x449/0x710 [19782.182061][ T7704] netlink_sendmsg+0x723/0xbe0 [19782.182061][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19782.182061][ T7704] ___sys_sendmsg+0xee/0x170 [19782.182061][ T7704] __sys_sendmsg+0xcd/0x170 [19782.182061][ T7704] do_syscall_64+0xc6/0x1e0 [19782.182061][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19782.182061][ T7704] [19792.212842][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19792.213328][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19792.213328][ T7704] netdev_get_by_index+0x5e/0x80 [19792.213328][ T7704] fib6_nh_init+0x3d8/0x15b0 [19792.213328][ T7704] ip6_route_info_create+0xf18/0x17d0 [19792.213328][ T7704] ip6_route_add+0x1c/0x140 [19792.213328][ T7704] addrconf_prefix_route+0x2a6/0x430 [19792.213328][ T7704] inet6_addr_add+0x4f8/0xa40 [19792.213328][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19792.213328][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19792.213328][ T7704] netlink_rcv_skb+0x130/0x360 [19792.213328][ T7704] netlink_unicast+0x449/0x710 [19792.213328][ T7704] netlink_sendmsg+0x723/0xbe0 [19792.213328][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19792.213328][ T7704] ___sys_sendmsg+0xee/0x170 [19792.213328][ T7704] __sys_sendmsg+0xcd/0x170 [19792.213328][ T7704] do_syscall_64+0xc6/0x1e0 [19792.213328][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19792.213328][ T7704] [19792.215597][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19792.215597][ T7704] netdev_get_by_index+0x5e/0x80 [19792.215597][ T7704] fib6_nh_init+0x3d8/0x15b0 [19792.215597][ T7704] ip6_route_info_create+0xf18/0x17d0 [19792.215597][ T7704] addrconf_f6i_alloc+0x315/0x560 [19792.215597][ T7704] ipv6_add_addr+0x411/0x2000 [19792.215597][ T7704] inet6_addr_add+0x30e/0xa40 [19792.215597][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19792.215597][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19792.215597][ T7704] netlink_rcv_skb+0x130/0x360 [19792.215597][ T7704] netlink_unicast+0x449/0x710 [19792.215597][ T7704] netlink_sendmsg+0x723/0xbe0 [19792.215597][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19792.215597][ T7704] ___sys_sendmsg+0xee/0x170 [19792.215597][ T7704] __sys_sendmsg+0xcd/0x170 [19792.215597][ T7704] do_syscall_64+0xc6/0x1e0 [19792.215597][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19792.215597][ T7704] [19792.217843][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19792.217843][ T7704] netdev_get_by_index+0x5e/0x80 [19792.217843][ T7704] fib6_nh_init+0x3d8/0x15b0 [19792.217843][ T7704] ip6_route_info_create+0xf18/0x17d0 [19792.217843][ T7704] ip6_route_add+0x1c/0x140 [19792.217843][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19792.217843][ T7704] addrconf_add_dev+0xe2/0x170 [19792.217843][ T7704] inet6_addr_add+0x12f/0xa40 [19792.217843][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19792.217843][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19792.217843][ T7704] netlink_rcv_skb+0x130/0x360 [19792.217843][ T7704] netlink_unicast+0x449/0x710 [19792.217843][ T7704] netlink_sendmsg+0x723/0xbe0 [19792.217843][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19792.217843][ T7704] ___sys_sendmsg+0xee/0x170 [19792.217843][ T7704] __sys_sendmsg+0xcd/0x170 [19792.217843][ T7704] do_syscall_64+0xc6/0x1e0 [19792.217843][ T7704] [19792.220048][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19792.220048][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19792.220048][ T7704] ipv6_find_idev+0x102/0x170 [19792.220048][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19792.220048][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19792.220048][ T7704] netlink_rcv_skb+0x130/0x360 [19792.220048][ T7704] netlink_unicast+0x449/0x710 [19792.220048][ T7704] netlink_sendmsg+0x723/0xbe0 [19792.220048][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19792.220048][ T7704] ___sys_sendmsg+0xee/0x170 [19792.220048][ T7704] __sys_sendmsg+0xcd/0x170 [19792.220048][ T7704] do_syscall_64+0xc6/0x1e0 [19792.220048][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19792.220048][ T7704] [19792.221791][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19792.221791][ T7704] neigh_parms_alloc+0x1e5/0x510 [19792.221791][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19792.221791][ T7704] ipv6_find_idev+0x102/0x170 [19792.221791][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19792.221791][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19792.221791][ T7704] netlink_rcv_skb+0x130/0x360 [19792.221791][ T7704] netlink_unicast+0x449/0x710 [19792.221791][ T7704] netlink_sendmsg+0x723/0xbe0 [19792.221791][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19792.221791][ T7704] ___sys_sendmsg+0xee/0x170 [19792.221791][ T7704] __sys_sendmsg+0xcd/0x170 [19792.221791][ T7704] do_syscall_64+0xc6/0x1e0 [19792.221791][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19792.221791][ T7704] [19802.260823][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19802.261352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19802.261352][ T7704] netdev_get_by_index+0x5e/0x80 [19802.261352][ T7704] fib6_nh_init+0x3d8/0x15b0 [19802.261352][ T7704] ip6_route_info_create+0xf18/0x17d0 [19802.261352][ T7704] ip6_route_add+0x1c/0x140 [19802.261352][ T7704] addrconf_prefix_route+0x2a6/0x430 [19802.261352][ T7704] inet6_addr_add+0x4f8/0xa40 [19802.261352][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19802.261352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19802.261352][ T7704] netlink_rcv_skb+0x130/0x360 [19802.261352][ T7704] netlink_unicast+0x449/0x710 [19802.261352][ T7704] netlink_sendmsg+0x723/0xbe0 [19802.261352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19802.261352][ T7704] ___sys_sendmsg+0xee/0x170 [19802.261352][ T7704] __sys_sendmsg+0xcd/0x170 [19802.261352][ T7704] do_syscall_64+0xc6/0x1e0 [19802.261352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19802.261352][ T7704] [19802.264052][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19802.264052][ T7704] netdev_get_by_index+0x5e/0x80 [19802.264052][ T7704] fib6_nh_init+0x3d8/0x15b0 [19802.264052][ T7704] ip6_route_info_create+0xf18/0x17d0 [19802.264052][ T7704] addrconf_f6i_alloc+0x315/0x560 [19802.264052][ T7704] ipv6_add_addr+0x411/0x2000 [19802.264052][ T7704] inet6_addr_add+0x30e/0xa40 [19802.264052][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19802.264052][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19802.264052][ T7704] netlink_rcv_skb+0x130/0x360 [19802.264052][ T7704] netlink_unicast+0x449/0x710 [19802.264052][ T7704] netlink_sendmsg+0x723/0xbe0 [19802.264052][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19802.264052][ T7704] ___sys_sendmsg+0xee/0x170 [19802.264052][ T7704] __sys_sendmsg+0xcd/0x170 [19802.264052][ T7704] do_syscall_64+0xc6/0x1e0 [19802.264052][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19802.264052][ T7704] [19802.266739][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19802.266739][ T7704] netdev_get_by_index+0x5e/0x80 [19802.266739][ T7704] fib6_nh_init+0x3d8/0x15b0 [19802.266739][ T7704] ip6_route_info_create+0xf18/0x17d0 [19802.266739][ T7704] ip6_route_add+0x1c/0x140 [19802.266739][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19802.266739][ T7704] addrconf_add_dev+0xe2/0x170 [19802.266739][ T7704] inet6_addr_add+0x12f/0xa40 [19802.266739][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19802.266739][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19802.266739][ T7704] netlink_rcv_skb+0x130/0x360 [19802.266739][ T7704] netlink_unicast+0x449/0x710 [19802.266739][ T7704] netlink_sendmsg+0x723/0xbe0 [19802.266739][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19802.266739][ T7704] ___sys_sendmsg+0xee/0x170 [19802.266739][ T7704] __sys_sendmsg+0xcd/0x170 [19802.266739][ T7704] do_syscall_64+0xc6/0x1e0 [19802.266739][ T7704] [19802.269370][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19802.269370][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19802.269370][ T7704] ipv6_find_idev+0x102/0x170 [19802.269370][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19802.269370][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19802.269370][ T7704] netlink_rcv_skb+0x130/0x360 [19802.269370][ T7704] netlink_unicast+0x449/0x710 [19802.269370][ T7704] netlink_sendmsg+0x723/0xbe0 [19802.269370][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19802.269370][ T7704] ___sys_sendmsg+0xee/0x170 [19802.269370][ T7704] __sys_sendmsg+0xcd/0x170 [19802.269370][ T7704] do_syscall_64+0xc6/0x1e0 [19802.269370][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19802.269370][ T7704] [19802.271448][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19802.271448][ T7704] neigh_parms_alloc+0x1e5/0x510 [19802.271448][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19802.271448][ T7704] ipv6_find_idev+0x102/0x170 [19802.271448][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19802.271448][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19802.271448][ T7704] netlink_rcv_skb+0x130/0x360 [19802.271448][ T7704] netlink_unicast+0x449/0x710 [19802.271448][ T7704] netlink_sendmsg+0x723/0xbe0 [19802.271448][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19802.271448][ T7704] ___sys_sendmsg+0xee/0x170 [19802.271448][ T7704] __sys_sendmsg+0xcd/0x170 [19802.271448][ T7704] do_syscall_64+0xc6/0x1e0 [19802.271448][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19802.271448][ T7704] [19812.516817][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19812.517331][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19812.517331][ T7704] netdev_get_by_index+0x5e/0x80 [19812.517331][ T7704] fib6_nh_init+0x3d8/0x15b0 [19812.517331][ T7704] ip6_route_info_create+0xf18/0x17d0 [19812.517331][ T7704] ip6_route_add+0x1c/0x140 [19812.517331][ T7704] addrconf_prefix_route+0x2a6/0x430 [19812.517331][ T7704] inet6_addr_add+0x4f8/0xa40 [19812.517331][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19812.517331][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19812.517331][ T7704] netlink_rcv_skb+0x130/0x360 [19812.517331][ T7704] netlink_unicast+0x449/0x710 [19812.517331][ T7704] netlink_sendmsg+0x723/0xbe0 [19812.517331][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19812.517331][ T7704] ___sys_sendmsg+0xee/0x170 [19812.517331][ T7704] __sys_sendmsg+0xcd/0x170 [19812.517331][ T7704] do_syscall_64+0xc6/0x1e0 [19812.517331][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19812.517331][ T7704] [19812.520068][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19812.520068][ T7704] netdev_get_by_index+0x5e/0x80 [19812.520068][ T7704] fib6_nh_init+0x3d8/0x15b0 [19812.520068][ T7704] ip6_route_info_create+0xf18/0x17d0 [19812.520068][ T7704] addrconf_f6i_alloc+0x315/0x560 [19812.520068][ T7704] ipv6_add_addr+0x411/0x2000 [19812.520068][ T7704] inet6_addr_add+0x30e/0xa40 [19812.520068][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19812.520068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19812.520068][ T7704] netlink_rcv_skb+0x130/0x360 [19812.520068][ T7704] netlink_unicast+0x449/0x710 [19812.520068][ T7704] netlink_sendmsg+0x723/0xbe0 [19812.520068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19812.520068][ T7704] ___sys_sendmsg+0xee/0x170 [19812.520068][ T7704] __sys_sendmsg+0xcd/0x170 [19812.520068][ T7704] do_syscall_64+0xc6/0x1e0 [19812.520068][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19812.520068][ T7704] [19812.522776][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19812.522776][ T7704] netdev_get_by_index+0x5e/0x80 [19812.522776][ T7704] fib6_nh_init+0x3d8/0x15b0 [19812.522776][ T7704] ip6_route_info_create+0xf18/0x17d0 [19812.522776][ T7704] ip6_route_add+0x1c/0x140 [19812.522776][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19812.522776][ T7704] addrconf_add_dev+0xe2/0x170 [19812.522776][ T7704] inet6_addr_add+0x12f/0xa40 [19812.522776][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19812.522776][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19812.522776][ T7704] netlink_rcv_skb+0x130/0x360 [19812.522776][ T7704] netlink_unicast+0x449/0x710 [19812.522776][ T7704] netlink_sendmsg+0x723/0xbe0 [19812.522776][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19812.522776][ T7704] ___sys_sendmsg+0xee/0x170 [19812.522776][ T7704] __sys_sendmsg+0xcd/0x170 [19812.522776][ T7704] do_syscall_64+0xc6/0x1e0 [19812.522776][ T7704] [19812.525426][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19812.525426][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19812.525426][ T7704] ipv6_find_idev+0x102/0x170 [19812.525426][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19812.525426][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19812.525426][ T7704] netlink_rcv_skb+0x130/0x360 [19812.525426][ T7704] netlink_unicast+0x449/0x710 [19812.525426][ T7704] netlink_sendmsg+0x723/0xbe0 [19812.525426][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19812.525426][ T7704] ___sys_sendmsg+0xee/0x170 [19812.525426][ T7704] __sys_sendmsg+0xcd/0x170 [19812.525426][ T7704] do_syscall_64+0xc6/0x1e0 [19812.525426][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19812.525426][ T7704] [19812.527487][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19812.527487][ T7704] neigh_parms_alloc+0x1e5/0x510 [19812.527487][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19812.527487][ T7704] ipv6_find_idev+0x102/0x170 [19812.527487][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19812.527487][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19812.527487][ T7704] netlink_rcv_skb+0x130/0x360 [19812.527487][ T7704] netlink_unicast+0x449/0x710 [19812.527487][ T7704] netlink_sendmsg+0x723/0xbe0 [19812.527487][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19812.527487][ T7704] ___sys_sendmsg+0xee/0x170 [19812.527487][ T7704] __sys_sendmsg+0xcd/0x170 [19812.527487][ T7704] do_syscall_64+0xc6/0x1e0 [19812.527487][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19812.527487][ T7704] [19822.772811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19822.773260][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19822.773260][ T7704] netdev_get_by_index+0x5e/0x80 [19822.773260][ T7704] fib6_nh_init+0x3d8/0x15b0 [19822.773260][ T7704] ip6_route_info_create+0xf18/0x17d0 [19822.773260][ T7704] ip6_route_add+0x1c/0x140 [19822.773260][ T7704] addrconf_prefix_route+0x2a6/0x430 [19822.773260][ T7704] inet6_addr_add+0x4f8/0xa40 [19822.773260][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19822.773260][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19822.773260][ T7704] netlink_rcv_skb+0x130/0x360 [19822.773260][ T7704] netlink_unicast+0x449/0x710 [19822.773260][ T7704] netlink_sendmsg+0x723/0xbe0 [19822.773260][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19822.773260][ T7704] ___sys_sendmsg+0xee/0x170 [19822.773260][ T7704] __sys_sendmsg+0xcd/0x170 [19822.773260][ T7704] do_syscall_64+0xc6/0x1e0 [19822.773260][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19822.773260][ T7704] [19822.775520][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19822.775520][ T7704] netdev_get_by_index+0x5e/0x80 [19822.775520][ T7704] fib6_nh_init+0x3d8/0x15b0 [19822.775520][ T7704] ip6_route_info_create+0xf18/0x17d0 [19822.775520][ T7704] addrconf_f6i_alloc+0x315/0x560 [19822.775520][ T7704] ipv6_add_addr+0x411/0x2000 [19822.775520][ T7704] inet6_addr_add+0x30e/0xa40 [19822.775520][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19822.775520][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19822.775520][ T7704] netlink_rcv_skb+0x130/0x360 [19822.775520][ T7704] netlink_unicast+0x449/0x710 [19822.775520][ T7704] netlink_sendmsg+0x723/0xbe0 [19822.775520][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19822.775520][ T7704] ___sys_sendmsg+0xee/0x170 [19822.775520][ T7704] __sys_sendmsg+0xcd/0x170 [19822.775520][ T7704] do_syscall_64+0xc6/0x1e0 [19822.775520][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19822.775520][ T7704] [19822.777764][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19822.777764][ T7704] netdev_get_by_index+0x5e/0x80 [19822.777764][ T7704] fib6_nh_init+0x3d8/0x15b0 [19822.777764][ T7704] ip6_route_info_create+0xf18/0x17d0 [19822.777764][ T7704] ip6_route_add+0x1c/0x140 [19822.777764][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19822.777764][ T7704] addrconf_add_dev+0xe2/0x170 [19822.777764][ T7704] inet6_addr_add+0x12f/0xa40 [19822.777764][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19822.777764][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19822.777764][ T7704] netlink_rcv_skb+0x130/0x360 [19822.777764][ T7704] netlink_unicast+0x449/0x710 [19822.777764][ T7704] netlink_sendmsg+0x723/0xbe0 [19822.777764][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19822.777764][ T7704] ___sys_sendmsg+0xee/0x170 [19822.777764][ T7704] __sys_sendmsg+0xcd/0x170 [19822.777764][ T7704] do_syscall_64+0xc6/0x1e0 [19822.777764][ T7704] [19822.779963][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19822.779963][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19822.779963][ T7704] ipv6_find_idev+0x102/0x170 [19822.779963][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19822.779963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19822.779963][ T7704] netlink_rcv_skb+0x130/0x360 [19822.779963][ T7704] netlink_unicast+0x449/0x710 [19822.779963][ T7704] netlink_sendmsg+0x723/0xbe0 [19822.779963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19822.779963][ T7704] ___sys_sendmsg+0xee/0x170 [19822.779963][ T7704] __sys_sendmsg+0xcd/0x170 [19822.779963][ T7704] do_syscall_64+0xc6/0x1e0 [19822.779963][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19822.779963][ T7704] [19822.781715][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19822.781715][ T7704] neigh_parms_alloc+0x1e5/0x510 [19822.781715][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19822.781715][ T7704] ipv6_find_idev+0x102/0x170 [19822.781715][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19822.781715][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19822.781715][ T7704] netlink_rcv_skb+0x130/0x360 [19822.781715][ T7704] netlink_unicast+0x449/0x710 [19822.781715][ T7704] netlink_sendmsg+0x723/0xbe0 [19822.781715][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19822.781715][ T7704] ___sys_sendmsg+0xee/0x170 [19822.781715][ T7704] __sys_sendmsg+0xcd/0x170 [19822.781715][ T7704] do_syscall_64+0xc6/0x1e0 [19822.781715][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19822.781715][ T7704] [19833.020747][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19833.021261][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19833.021261][ T7704] netdev_get_by_index+0x5e/0x80 [19833.021261][ T7704] fib6_nh_init+0x3d8/0x15b0 [19833.021261][ T7704] ip6_route_info_create+0xf18/0x17d0 [19833.021261][ T7704] ip6_route_add+0x1c/0x140 [19833.021261][ T7704] addrconf_prefix_route+0x2a6/0x430 [19833.021261][ T7704] inet6_addr_add+0x4f8/0xa40 [19833.021261][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19833.021261][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19833.021261][ T7704] netlink_rcv_skb+0x130/0x360 [19833.021261][ T7704] netlink_unicast+0x449/0x710 [19833.021261][ T7704] netlink_sendmsg+0x723/0xbe0 [19833.021261][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19833.021261][ T7704] ___sys_sendmsg+0xee/0x170 [19833.021261][ T7704] __sys_sendmsg+0xcd/0x170 [19833.021261][ T7704] do_syscall_64+0xc6/0x1e0 [19833.021261][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19833.021261][ T7704] [19833.023958][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19833.023958][ T7704] netdev_get_by_index+0x5e/0x80 [19833.023958][ T7704] fib6_nh_init+0x3d8/0x15b0 [19833.023958][ T7704] ip6_route_info_create+0xf18/0x17d0 [19833.023958][ T7704] addrconf_f6i_alloc+0x315/0x560 [19833.023958][ T7704] ipv6_add_addr+0x411/0x2000 [19833.023958][ T7704] inet6_addr_add+0x30e/0xa40 [19833.023958][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19833.023958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19833.023958][ T7704] netlink_rcv_skb+0x130/0x360 [19833.023958][ T7704] netlink_unicast+0x449/0x710 [19833.023958][ T7704] netlink_sendmsg+0x723/0xbe0 [19833.023958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19833.023958][ T7704] ___sys_sendmsg+0xee/0x170 [19833.023958][ T7704] __sys_sendmsg+0xcd/0x170 [19833.023958][ T7704] do_syscall_64+0xc6/0x1e0 [19833.023958][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19833.023958][ T7704] [19833.026645][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19833.026645][ T7704] netdev_get_by_index+0x5e/0x80 [19833.026645][ T7704] fib6_nh_init+0x3d8/0x15b0 [19833.026645][ T7704] ip6_route_info_create+0xf18/0x17d0 [19833.026645][ T7704] ip6_route_add+0x1c/0x140 [19833.026645][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19833.026645][ T7704] addrconf_add_dev+0xe2/0x170 [19833.026645][ T7704] inet6_addr_add+0x12f/0xa40 [19833.026645][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19833.026645][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19833.026645][ T7704] netlink_rcv_skb+0x130/0x360 [19833.026645][ T7704] netlink_unicast+0x449/0x710 [19833.026645][ T7704] netlink_sendmsg+0x723/0xbe0 [19833.026645][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19833.026645][ T7704] ___sys_sendmsg+0xee/0x170 [19833.026645][ T7704] __sys_sendmsg+0xcd/0x170 [19833.026645][ T7704] do_syscall_64+0xc6/0x1e0 [19833.026645][ T7704] [19833.029290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19833.029290][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19833.029290][ T7704] ipv6_find_idev+0x102/0x170 [19833.029290][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19833.029290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19833.029290][ T7704] netlink_rcv_skb+0x130/0x360 [19833.029290][ T7704] netlink_unicast+0x449/0x710 [19833.029290][ T7704] netlink_sendmsg+0x723/0xbe0 [19833.029290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19833.029290][ T7704] ___sys_sendmsg+0xee/0x170 [19833.029290][ T7704] __sys_sendmsg+0xcd/0x170 [19833.029290][ T7704] do_syscall_64+0xc6/0x1e0 [19833.029290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19833.029290][ T7704] [19833.031381][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19833.031381][ T7704] neigh_parms_alloc+0x1e5/0x510 [19833.031381][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19833.031381][ T7704] ipv6_find_idev+0x102/0x170 [19833.031381][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19833.031381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19833.031381][ T7704] netlink_rcv_skb+0x130/0x360 [19833.031381][ T7704] netlink_unicast+0x449/0x710 [19833.031381][ T7704] netlink_sendmsg+0x723/0xbe0 [19833.031381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19833.031381][ T7704] ___sys_sendmsg+0xee/0x170 [19833.031381][ T7704] __sys_sendmsg+0xcd/0x170 [19833.031381][ T7704] do_syscall_64+0xc6/0x1e0 [19833.031381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19833.031381][ T7704] [19843.268765][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19843.269284][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19843.269284][ T7704] netdev_get_by_index+0x5e/0x80 [19843.269284][ T7704] fib6_nh_init+0x3d8/0x15b0 [19843.269284][ T7704] ip6_route_info_create+0xf18/0x17d0 [19843.269284][ T7704] ip6_route_add+0x1c/0x140 [19843.269284][ T7704] addrconf_prefix_route+0x2a6/0x430 [19843.269284][ T7704] inet6_addr_add+0x4f8/0xa40 [19843.269284][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19843.269284][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19843.269284][ T7704] netlink_rcv_skb+0x130/0x360 [19843.269284][ T7704] netlink_unicast+0x449/0x710 [19843.269284][ T7704] netlink_sendmsg+0x723/0xbe0 [19843.269284][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19843.269284][ T7704] ___sys_sendmsg+0xee/0x170 [19843.269284][ T7704] __sys_sendmsg+0xcd/0x170 [19843.269284][ T7704] do_syscall_64+0xc6/0x1e0 [19843.269284][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19843.269284][ T7704] [19843.271992][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19843.271992][ T7704] netdev_get_by_index+0x5e/0x80 [19843.271992][ T7704] fib6_nh_init+0x3d8/0x15b0 [19843.271992][ T7704] ip6_route_info_create+0xf18/0x17d0 [19843.271992][ T7704] addrconf_f6i_alloc+0x315/0x560 [19843.271992][ T7704] ipv6_add_addr+0x411/0x2000 [19843.271992][ T7704] inet6_addr_add+0x30e/0xa40 [19843.271992][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19843.271992][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19843.271992][ T7704] netlink_rcv_skb+0x130/0x360 [19843.271992][ T7704] netlink_unicast+0x449/0x710 [19843.271992][ T7704] netlink_sendmsg+0x723/0xbe0 [19843.271992][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19843.271992][ T7704] ___sys_sendmsg+0xee/0x170 [19843.271992][ T7704] __sys_sendmsg+0xcd/0x170 [19843.271992][ T7704] do_syscall_64+0xc6/0x1e0 [19843.271992][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19843.271992][ T7704] [19843.274674][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19843.274674][ T7704] netdev_get_by_index+0x5e/0x80 [19843.274674][ T7704] fib6_nh_init+0x3d8/0x15b0 [19843.274674][ T7704] ip6_route_info_create+0xf18/0x17d0 [19843.274674][ T7704] ip6_route_add+0x1c/0x140 [19843.274674][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19843.274674][ T7704] addrconf_add_dev+0xe2/0x170 [19843.274674][ T7704] inet6_addr_add+0x12f/0xa40 [19843.274674][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19843.274674][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19843.274674][ T7704] netlink_rcv_skb+0x130/0x360 [19843.274674][ T7704] netlink_unicast+0x449/0x710 [19843.274674][ T7704] netlink_sendmsg+0x723/0xbe0 [19843.274674][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19843.274674][ T7704] ___sys_sendmsg+0xee/0x170 [19843.274674][ T7704] __sys_sendmsg+0xcd/0x170 [19843.274674][ T7704] do_syscall_64+0xc6/0x1e0 [19843.274674][ T7704] [19843.277311][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19843.277311][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19843.277311][ T7704] ipv6_find_idev+0x102/0x170 [19843.277311][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19843.277311][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19843.277311][ T7704] netlink_rcv_skb+0x130/0x360 [19843.277311][ T7704] netlink_unicast+0x449/0x710 [19843.277311][ T7704] netlink_sendmsg+0x723/0xbe0 [19843.277311][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19843.277311][ T7704] ___sys_sendmsg+0xee/0x170 [19843.277311][ T7704] __sys_sendmsg+0xcd/0x170 [19843.277311][ T7704] do_syscall_64+0xc6/0x1e0 [19843.277311][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19843.277311][ T7704] [19843.279373][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19843.279373][ T7704] neigh_parms_alloc+0x1e5/0x510 [19843.279373][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19843.279373][ T7704] ipv6_find_idev+0x102/0x170 [19843.279373][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19843.279373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19843.279373][ T7704] netlink_rcv_skb+0x130/0x360 [19843.279373][ T7704] netlink_unicast+0x449/0x710 [19843.279373][ T7704] netlink_sendmsg+0x723/0xbe0 [19843.279373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19843.279373][ T7704] ___sys_sendmsg+0xee/0x170 [19843.279373][ T7704] __sys_sendmsg+0xcd/0x170 [19843.279373][ T7704] do_syscall_64+0xc6/0x1e0 [19843.279373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19843.279373][ T7704] [19853.420978][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19853.421745][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19853.421745][ T7704] netdev_get_by_index+0x5e/0x80 [19853.421745][ T7704] fib6_nh_init+0x3d8/0x15b0 [19853.421745][ T7704] ip6_route_info_create+0xf18/0x17d0 [19853.421745][ T7704] ip6_route_add+0x1c/0x140 [19853.421745][ T7704] addrconf_prefix_route+0x2a6/0x430 [19853.421745][ T7704] inet6_addr_add+0x4f8/0xa40 [19853.421745][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19853.421745][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19853.421745][ T7704] netlink_rcv_skb+0x130/0x360 [19853.421745][ T7704] netlink_unicast+0x449/0x710 [19853.421745][ T7704] netlink_sendmsg+0x723/0xbe0 [19853.421745][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19853.421745][ T7704] ___sys_sendmsg+0xee/0x170 [19853.421745][ T7704] __sys_sendmsg+0xcd/0x170 [19853.421745][ T7704] do_syscall_64+0xc6/0x1e0 [19853.421745][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19853.421745][ T7704] [19853.423962][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19853.423962][ T7704] netdev_get_by_index+0x5e/0x80 [19853.423962][ T7704] fib6_nh_init+0x3d8/0x15b0 [19853.423962][ T7704] ip6_route_info_create+0xf18/0x17d0 [19853.423962][ T7704] addrconf_f6i_alloc+0x315/0x560 [19853.423962][ T7704] ipv6_add_addr+0x411/0x2000 [19853.423962][ T7704] inet6_addr_add+0x30e/0xa40 [19853.423962][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19853.423962][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19853.423962][ T7704] netlink_rcv_skb+0x130/0x360 [19853.423962][ T7704] netlink_unicast+0x449/0x710 [19853.423962][ T7704] netlink_sendmsg+0x723/0xbe0 [19853.423962][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19853.423962][ T7704] ___sys_sendmsg+0xee/0x170 [19853.423962][ T7704] __sys_sendmsg+0xcd/0x170 [19853.423962][ T7704] do_syscall_64+0xc6/0x1e0 [19853.423962][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19853.423962][ T7704] [19853.426169][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19853.426169][ T7704] netdev_get_by_index+0x5e/0x80 [19853.426169][ T7704] fib6_nh_init+0x3d8/0x15b0 [19853.426169][ T7704] ip6_route_info_create+0xf18/0x17d0 [19853.426169][ T7704] ip6_route_add+0x1c/0x140 [19853.426169][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19853.426169][ T7704] addrconf_add_dev+0xe2/0x170 [19853.426169][ T7704] inet6_addr_add+0x12f/0xa40 [19853.426169][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19853.426169][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19853.426169][ T7704] netlink_rcv_skb+0x130/0x360 [19853.426169][ T7704] netlink_unicast+0x449/0x710 [19853.426169][ T7704] netlink_sendmsg+0x723/0xbe0 [19853.426169][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19853.426169][ T7704] ___sys_sendmsg+0xee/0x170 [19853.426169][ T7704] __sys_sendmsg+0xcd/0x170 [19853.426169][ T7704] do_syscall_64+0xc6/0x1e0 [19853.426169][ T7704] [19853.428877][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19853.428877][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19853.428877][ T7704] ipv6_find_idev+0x102/0x170 [19853.428877][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19853.428877][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19853.428877][ T7704] netlink_rcv_skb+0x130/0x360 [19853.428877][ T7704] netlink_unicast+0x449/0x710 [19853.428877][ T7704] netlink_sendmsg+0x723/0xbe0 [19853.428877][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19853.428877][ T7704] ___sys_sendmsg+0xee/0x170 [19853.428877][ T7704] __sys_sendmsg+0xcd/0x170 [19853.428877][ T7704] do_syscall_64+0xc6/0x1e0 [19853.428877][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19853.428877][ T7704] [19853.430592][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19853.430592][ T7704] neigh_parms_alloc+0x1e5/0x510 [19853.430592][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19853.430592][ T7704] ipv6_find_idev+0x102/0x170 [19853.430592][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19853.430592][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19853.430592][ T7704] netlink_rcv_skb+0x130/0x360 [19853.430592][ T7704] netlink_unicast+0x449/0x710 [19853.430592][ T7704] netlink_sendmsg+0x723/0xbe0 [19853.430592][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19853.430592][ T7704] ___sys_sendmsg+0xee/0x170 [19853.430592][ T7704] __sys_sendmsg+0xcd/0x170 [19853.430592][ T7704] do_syscall_64+0xc6/0x1e0 [19853.430592][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19853.430592][ T7704] [19863.684821][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19863.685263][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19863.685263][ T7704] netdev_get_by_index+0x5e/0x80 [19863.685263][ T7704] fib6_nh_init+0x3d8/0x15b0 [19863.685263][ T7704] ip6_route_info_create+0xf18/0x17d0 [19863.685263][ T7704] ip6_route_add+0x1c/0x140 [19863.685263][ T7704] addrconf_prefix_route+0x2a6/0x430 [19863.685263][ T7704] inet6_addr_add+0x4f8/0xa40 [19863.685263][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19863.685263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19863.685263][ T7704] netlink_rcv_skb+0x130/0x360 [19863.685263][ T7704] netlink_unicast+0x449/0x710 [19863.685263][ T7704] netlink_sendmsg+0x723/0xbe0 [19863.685263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19863.685263][ T7704] ___sys_sendmsg+0xee/0x170 [19863.685263][ T7704] __sys_sendmsg+0xcd/0x170 [19863.685263][ T7704] do_syscall_64+0xc6/0x1e0 [19863.685263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19863.685263][ T7704] [19863.687506][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19863.687506][ T7704] netdev_get_by_index+0x5e/0x80 [19863.687506][ T7704] fib6_nh_init+0x3d8/0x15b0 [19863.687506][ T7704] ip6_route_info_create+0xf18/0x17d0 [19863.687506][ T7704] addrconf_f6i_alloc+0x315/0x560 [19863.687506][ T7704] ipv6_add_addr+0x411/0x2000 [19863.687506][ T7704] inet6_addr_add+0x30e/0xa40 [19863.687506][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19863.687506][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19863.687506][ T7704] netlink_rcv_skb+0x130/0x360 [19863.687506][ T7704] netlink_unicast+0x449/0x710 [19863.687506][ T7704] netlink_sendmsg+0x723/0xbe0 [19863.687506][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19863.687506][ T7704] ___sys_sendmsg+0xee/0x170 [19863.687506][ T7704] __sys_sendmsg+0xcd/0x170 [19863.687506][ T7704] do_syscall_64+0xc6/0x1e0 [19863.687506][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19863.687506][ T7704] [19863.689713][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19863.689713][ T7704] netdev_get_by_index+0x5e/0x80 [19863.689713][ T7704] fib6_nh_init+0x3d8/0x15b0 [19863.689713][ T7704] ip6_route_info_create+0xf18/0x17d0 [19863.689713][ T7704] ip6_route_add+0x1c/0x140 [19863.689713][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19863.689713][ T7704] addrconf_add_dev+0xe2/0x170 [19863.689713][ T7704] inet6_addr_add+0x12f/0xa40 [19863.689713][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19863.689713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19863.689713][ T7704] netlink_rcv_skb+0x130/0x360 [19863.689713][ T7704] netlink_unicast+0x449/0x710 [19863.689713][ T7704] netlink_sendmsg+0x723/0xbe0 [19863.689713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19863.689713][ T7704] ___sys_sendmsg+0xee/0x170 [19863.689713][ T7704] __sys_sendmsg+0xcd/0x170 [19863.689713][ T7704] do_syscall_64+0xc6/0x1e0 [19863.689713][ T7704] [19863.691887][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19863.691887][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19863.691887][ T7704] ipv6_find_idev+0x102/0x170 [19863.691887][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19863.691887][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19863.691887][ T7704] netlink_rcv_skb+0x130/0x360 [19863.691887][ T7704] netlink_unicast+0x449/0x710 [19863.691887][ T7704] netlink_sendmsg+0x723/0xbe0 [19863.691887][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19863.691887][ T7704] ___sys_sendmsg+0xee/0x170 [19863.691887][ T7704] __sys_sendmsg+0xcd/0x170 [19863.691887][ T7704] do_syscall_64+0xc6/0x1e0 [19863.691887][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19863.691887][ T7704] [19863.693581][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19863.693581][ T7704] neigh_parms_alloc+0x1e5/0x510 [19863.693581][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19863.693581][ T7704] ipv6_find_idev+0x102/0x170 [19863.693581][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19863.693581][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19863.693581][ T7704] netlink_rcv_skb+0x130/0x360 [19863.693581][ T7704] netlink_unicast+0x449/0x710 [19863.693581][ T7704] netlink_sendmsg+0x723/0xbe0 [19863.693581][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19863.693581][ T7704] ___sys_sendmsg+0xee/0x170 [19863.693581][ T7704] __sys_sendmsg+0xcd/0x170 [19863.693581][ T7704] do_syscall_64+0xc6/0x1e0 [19863.693581][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19863.693581][ T7704] [19873.748736][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19873.749247][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19873.749247][ T7704] netdev_get_by_index+0x5e/0x80 [19873.749247][ T7704] fib6_nh_init+0x3d8/0x15b0 [19873.749247][ T7704] ip6_route_info_create+0xf18/0x17d0 [19873.749247][ T7704] ip6_route_add+0x1c/0x140 [19873.749247][ T7704] addrconf_prefix_route+0x2a6/0x430 [19873.749247][ T7704] inet6_addr_add+0x4f8/0xa40 [19873.749247][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19873.749247][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19873.749247][ T7704] netlink_rcv_skb+0x130/0x360 [19873.749247][ T7704] netlink_unicast+0x449/0x710 [19873.749247][ T7704] netlink_sendmsg+0x723/0xbe0 [19873.749247][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19873.749247][ T7704] ___sys_sendmsg+0xee/0x170 [19873.749247][ T7704] __sys_sendmsg+0xcd/0x170 [19873.749247][ T7704] do_syscall_64+0xc6/0x1e0 [19873.749247][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19873.749247][ T7704] [19873.751518][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19873.751518][ T7704] netdev_get_by_index+0x5e/0x80 [19873.751518][ T7704] fib6_nh_init+0x3d8/0x15b0 [19873.751518][ T7704] ip6_route_info_create+0xf18/0x17d0 [19873.751518][ T7704] addrconf_f6i_alloc+0x315/0x560 [19873.751518][ T7704] ipv6_add_addr+0x411/0x2000 [19873.751518][ T7704] inet6_addr_add+0x30e/0xa40 [19873.751518][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19873.751518][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19873.751518][ T7704] netlink_rcv_skb+0x130/0x360 [19873.751518][ T7704] netlink_unicast+0x449/0x710 [19873.751518][ T7704] netlink_sendmsg+0x723/0xbe0 [19873.751518][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19873.751518][ T7704] ___sys_sendmsg+0xee/0x170 [19873.751518][ T7704] __sys_sendmsg+0xcd/0x170 [19873.751518][ T7704] do_syscall_64+0xc6/0x1e0 [19873.751518][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19873.751518][ T7704] [19873.753723][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19873.753723][ T7704] netdev_get_by_index+0x5e/0x80 [19873.753723][ T7704] fib6_nh_init+0x3d8/0x15b0 [19873.753723][ T7704] ip6_route_info_create+0xf18/0x17d0 [19873.753723][ T7704] ip6_route_add+0x1c/0x140 [19873.753723][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19873.753723][ T7704] addrconf_add_dev+0xe2/0x170 [19873.753723][ T7704] inet6_addr_add+0x12f/0xa40 [19873.753723][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19873.753723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19873.753723][ T7704] netlink_rcv_skb+0x130/0x360 [19873.753723][ T7704] netlink_unicast+0x449/0x710 [19873.753723][ T7704] netlink_sendmsg+0x723/0xbe0 [19873.753723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19873.753723][ T7704] ___sys_sendmsg+0xee/0x170 [19873.753723][ T7704] __sys_sendmsg+0xcd/0x170 [19873.753723][ T7704] do_syscall_64+0xc6/0x1e0 [19873.753723][ T7704] [19873.755891][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19873.755891][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19873.755891][ T7704] ipv6_find_idev+0x102/0x170 [19873.755891][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19873.755891][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19873.755891][ T7704] netlink_rcv_skb+0x130/0x360 [19873.755891][ T7704] netlink_unicast+0x449/0x710 [19873.755891][ T7704] netlink_sendmsg+0x723/0xbe0 [19873.755891][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19873.755891][ T7704] ___sys_sendmsg+0xee/0x170 [19873.755891][ T7704] __sys_sendmsg+0xcd/0x170 [19873.755891][ T7704] do_syscall_64+0xc6/0x1e0 [19873.755891][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19873.755891][ T7704] [19873.757606][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19873.757606][ T7704] neigh_parms_alloc+0x1e5/0x510 [19873.757606][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19873.757606][ T7704] ipv6_find_idev+0x102/0x170 [19873.757606][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19873.757606][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19873.757606][ T7704] netlink_rcv_skb+0x130/0x360 [19873.757606][ T7704] netlink_unicast+0x449/0x710 [19873.757606][ T7704] netlink_sendmsg+0x723/0xbe0 [19873.757606][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19873.757606][ T7704] ___sys_sendmsg+0xee/0x170 [19873.757606][ T7704] __sys_sendmsg+0xcd/0x170 [19873.757606][ T7704] do_syscall_64+0xc6/0x1e0 [19873.757606][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19873.757606][ T7704] [19883.996886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19883.997464][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19883.997464][ T7704] netdev_get_by_index+0x5e/0x80 [19883.997464][ T7704] fib6_nh_init+0x3d8/0x15b0 [19883.997464][ T7704] ip6_route_info_create+0xf18/0x17d0 [19883.997464][ T7704] ip6_route_add+0x1c/0x140 [19883.997464][ T7704] addrconf_prefix_route+0x2a6/0x430 [19883.997464][ T7704] inet6_addr_add+0x4f8/0xa40 [19883.997464][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19883.997464][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19883.997464][ T7704] netlink_rcv_skb+0x130/0x360 [19883.997464][ T7704] netlink_unicast+0x449/0x710 [19883.997464][ T7704] netlink_sendmsg+0x723/0xbe0 [19883.997464][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19883.997464][ T7704] ___sys_sendmsg+0xee/0x170 [19883.997464][ T7704] __sys_sendmsg+0xcd/0x170 [19883.997464][ T7704] do_syscall_64+0xc6/0x1e0 [19883.997464][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19883.997464][ T7704] [19883.999697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19883.999697][ T7704] netdev_get_by_index+0x5e/0x80 [19883.999697][ T7704] fib6_nh_init+0x3d8/0x15b0 [19883.999697][ T7704] ip6_route_info_create+0xf18/0x17d0 [19883.999697][ T7704] addrconf_f6i_alloc+0x315/0x560 [19883.999697][ T7704] ipv6_add_addr+0x411/0x2000 [19883.999697][ T7704] inet6_addr_add+0x30e/0xa40 [19883.999697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19883.999697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19883.999697][ T7704] netlink_rcv_skb+0x130/0x360 [19883.999697][ T7704] netlink_unicast+0x449/0x710 [19883.999697][ T7704] netlink_sendmsg+0x723/0xbe0 [19883.999697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19883.999697][ T7704] ___sys_sendmsg+0xee/0x170 [19883.999697][ T7704] __sys_sendmsg+0xcd/0x170 [19883.999697][ T7704] do_syscall_64+0xc6/0x1e0 [19883.999697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19883.999697][ T7704] [19884.001915][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19884.001915][ T7704] netdev_get_by_index+0x5e/0x80 [19884.001915][ T7704] fib6_nh_init+0x3d8/0x15b0 [19884.001915][ T7704] ip6_route_info_create+0xf18/0x17d0 [19884.001915][ T7704] ip6_route_add+0x1c/0x140 [19884.001915][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19884.001915][ T7704] addrconf_add_dev+0xe2/0x170 [19884.001915][ T7704] inet6_addr_add+0x12f/0xa40 [19884.001915][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19884.001915][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19884.001915][ T7704] netlink_rcv_skb+0x130/0x360 [19884.001915][ T7704] netlink_unicast+0x449/0x710 [19884.001915][ T7704] netlink_sendmsg+0x723/0xbe0 [19884.001915][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19884.001915][ T7704] ___sys_sendmsg+0xee/0x170 [19884.001915][ T7704] __sys_sendmsg+0xcd/0x170 [19884.001915][ T7704] do_syscall_64+0xc6/0x1e0 [19884.001915][ T7704] [19884.004091][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19884.004091][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19884.004091][ T7704] ipv6_find_idev+0x102/0x170 [19884.004091][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19884.004091][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19884.004091][ T7704] netlink_rcv_skb+0x130/0x360 [19884.004091][ T7704] netlink_unicast+0x449/0x710 [19884.004091][ T7704] netlink_sendmsg+0x723/0xbe0 [19884.004091][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19884.004091][ T7704] ___sys_sendmsg+0xee/0x170 [19884.004091][ T7704] __sys_sendmsg+0xcd/0x170 [19884.004091][ T7704] do_syscall_64+0xc6/0x1e0 [19884.004091][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19884.004091][ T7704] [19884.005786][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19884.005786][ T7704] neigh_parms_alloc+0x1e5/0x510 [19884.005786][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19884.005786][ T7704] ipv6_find_idev+0x102/0x170 [19884.005786][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19884.005786][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19884.005786][ T7704] netlink_rcv_skb+0x130/0x360 [19884.005786][ T7704] netlink_unicast+0x449/0x710 [19884.005786][ T7704] netlink_sendmsg+0x723/0xbe0 [19884.005786][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19884.005786][ T7704] ___sys_sendmsg+0xee/0x170 [19884.005786][ T7704] __sys_sendmsg+0xcd/0x170 [19884.005786][ T7704] do_syscall_64+0xc6/0x1e0 [19884.005786][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19884.005786][ T7704] [19894.244871][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19894.245373][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19894.245373][ T7704] netdev_get_by_index+0x5e/0x80 [19894.245373][ T7704] fib6_nh_init+0x3d8/0x15b0 [19894.245373][ T7704] ip6_route_info_create+0xf18/0x17d0 [19894.245373][ T7704] ip6_route_add+0x1c/0x140 [19894.245373][ T7704] addrconf_prefix_route+0x2a6/0x430 [19894.245373][ T7704] inet6_addr_add+0x4f8/0xa40 [19894.245373][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19894.245373][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19894.245373][ T7704] netlink_rcv_skb+0x130/0x360 [19894.245373][ T7704] netlink_unicast+0x449/0x710 [19894.245373][ T7704] netlink_sendmsg+0x723/0xbe0 [19894.245373][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19894.245373][ T7704] ___sys_sendmsg+0xee/0x170 [19894.245373][ T7704] __sys_sendmsg+0xcd/0x170 [19894.245373][ T7704] do_syscall_64+0xc6/0x1e0 [19894.245373][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19894.245373][ T7704] [19894.247608][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19894.247608][ T7704] netdev_get_by_index+0x5e/0x80 [19894.247608][ T7704] fib6_nh_init+0x3d8/0x15b0 [19894.247608][ T7704] ip6_route_info_create+0xf18/0x17d0 [19894.247608][ T7704] addrconf_f6i_alloc+0x315/0x560 [19894.247608][ T7704] ipv6_add_addr+0x411/0x2000 [19894.247608][ T7704] inet6_addr_add+0x30e/0xa40 [19894.247608][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19894.247608][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19894.247608][ T7704] netlink_rcv_skb+0x130/0x360 [19894.247608][ T7704] netlink_unicast+0x449/0x710 [19894.247608][ T7704] netlink_sendmsg+0x723/0xbe0 [19894.247608][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19894.247608][ T7704] ___sys_sendmsg+0xee/0x170 [19894.247608][ T7704] __sys_sendmsg+0xcd/0x170 [19894.247608][ T7704] do_syscall_64+0xc6/0x1e0 [19894.247608][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19894.247608][ T7704] [19894.249811][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19894.249811][ T7704] netdev_get_by_index+0x5e/0x80 [19894.249811][ T7704] fib6_nh_init+0x3d8/0x15b0 [19894.249811][ T7704] ip6_route_info_create+0xf18/0x17d0 [19894.249811][ T7704] ip6_route_add+0x1c/0x140 [19894.249811][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19894.249811][ T7704] addrconf_add_dev+0xe2/0x170 [19894.249811][ T7704] inet6_addr_add+0x12f/0xa40 [19894.249811][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19894.249811][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19894.249811][ T7704] netlink_rcv_skb+0x130/0x360 [19894.249811][ T7704] netlink_unicast+0x449/0x710 [19894.249811][ T7704] netlink_sendmsg+0x723/0xbe0 [19894.249811][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19894.249811][ T7704] ___sys_sendmsg+0xee/0x170 [19894.249811][ T7704] __sys_sendmsg+0xcd/0x170 [19894.249811][ T7704] do_syscall_64+0xc6/0x1e0 [19894.249811][ T7704] [19894.251988][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19894.251988][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19894.251988][ T7704] ipv6_find_idev+0x102/0x170 [19894.251988][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19894.251988][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19894.251988][ T7704] netlink_rcv_skb+0x130/0x360 [19894.251988][ T7704] netlink_unicast+0x449/0x710 [19894.251988][ T7704] netlink_sendmsg+0x723/0xbe0 [19894.251988][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19894.251988][ T7704] ___sys_sendmsg+0xee/0x170 [19894.251988][ T7704] __sys_sendmsg+0xcd/0x170 [19894.251988][ T7704] do_syscall_64+0xc6/0x1e0 [19894.251988][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19894.251988][ T7704] [19894.253682][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19894.253682][ T7704] neigh_parms_alloc+0x1e5/0x510 [19894.253682][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19894.253682][ T7704] ipv6_find_idev+0x102/0x170 [19894.253682][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19894.253682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19894.253682][ T7704] netlink_rcv_skb+0x130/0x360 [19894.253682][ T7704] netlink_unicast+0x449/0x710 [19894.253682][ T7704] netlink_sendmsg+0x723/0xbe0 [19894.253682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19894.253682][ T7704] ___sys_sendmsg+0xee/0x170 [19894.253682][ T7704] __sys_sendmsg+0xcd/0x170 [19894.253682][ T7704] do_syscall_64+0xc6/0x1e0 [19894.253682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19894.253682][ T7704] [19904.476830][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19904.477278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19904.477278][ T7704] netdev_get_by_index+0x5e/0x80 [19904.477278][ T7704] fib6_nh_init+0x3d8/0x15b0 [19904.477278][ T7704] ip6_route_info_create+0xf18/0x17d0 [19904.477278][ T7704] ip6_route_add+0x1c/0x140 [19904.477278][ T7704] addrconf_prefix_route+0x2a6/0x430 [19904.477278][ T7704] inet6_addr_add+0x4f8/0xa40 [19904.477278][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19904.477278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19904.477278][ T7704] netlink_rcv_skb+0x130/0x360 [19904.477278][ T7704] netlink_unicast+0x449/0x710 [19904.477278][ T7704] netlink_sendmsg+0x723/0xbe0 [19904.477278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19904.477278][ T7704] ___sys_sendmsg+0xee/0x170 [19904.477278][ T7704] __sys_sendmsg+0xcd/0x170 [19904.477278][ T7704] do_syscall_64+0xc6/0x1e0 [19904.477278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19904.477278][ T7704] [19904.479509][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19904.479509][ T7704] netdev_get_by_index+0x5e/0x80 [19904.479509][ T7704] fib6_nh_init+0x3d8/0x15b0 [19904.479509][ T7704] ip6_route_info_create+0xf18/0x17d0 [19904.479509][ T7704] addrconf_f6i_alloc+0x315/0x560 [19904.479509][ T7704] ipv6_add_addr+0x411/0x2000 [19904.479509][ T7704] inet6_addr_add+0x30e/0xa40 [19904.479509][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19904.479509][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19904.479509][ T7704] netlink_rcv_skb+0x130/0x360 [19904.479509][ T7704] netlink_unicast+0x449/0x710 [19904.479509][ T7704] netlink_sendmsg+0x723/0xbe0 [19904.479509][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19904.479509][ T7704] ___sys_sendmsg+0xee/0x170 [19904.479509][ T7704] __sys_sendmsg+0xcd/0x170 [19904.479509][ T7704] do_syscall_64+0xc6/0x1e0 [19904.479509][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19904.479509][ T7704] [19904.481727][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19904.481727][ T7704] netdev_get_by_index+0x5e/0x80 [19904.481727][ T7704] fib6_nh_init+0x3d8/0x15b0 [19904.481727][ T7704] ip6_route_info_create+0xf18/0x17d0 [19904.481727][ T7704] ip6_route_add+0x1c/0x140 [19904.481727][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19904.481727][ T7704] addrconf_add_dev+0xe2/0x170 [19904.481727][ T7704] inet6_addr_add+0x12f/0xa40 [19904.481727][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19904.481727][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19904.481727][ T7704] netlink_rcv_skb+0x130/0x360 [19904.481727][ T7704] netlink_unicast+0x449/0x710 [19904.481727][ T7704] netlink_sendmsg+0x723/0xbe0 [19904.481727][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19904.481727][ T7704] ___sys_sendmsg+0xee/0x170 [19904.481727][ T7704] __sys_sendmsg+0xcd/0x170 [19904.481727][ T7704] do_syscall_64+0xc6/0x1e0 [19904.481727][ T7704] [19904.483888][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19904.483888][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19904.483888][ T7704] ipv6_find_idev+0x102/0x170 [19904.483888][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19904.483888][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19904.483888][ T7704] netlink_rcv_skb+0x130/0x360 [19904.483888][ T7704] netlink_unicast+0x449/0x710 [19904.483888][ T7704] netlink_sendmsg+0x723/0xbe0 [19904.483888][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19904.483888][ T7704] ___sys_sendmsg+0xee/0x170 [19904.483888][ T7704] __sys_sendmsg+0xcd/0x170 [19904.483888][ T7704] do_syscall_64+0xc6/0x1e0 [19904.483888][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19904.483888][ T7704] [19904.485595][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19904.485595][ T7704] neigh_parms_alloc+0x1e5/0x510 [19904.485595][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19904.485595][ T7704] ipv6_find_idev+0x102/0x170 [19904.485595][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19904.485595][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19904.485595][ T7704] netlink_rcv_skb+0x130/0x360 [19904.485595][ T7704] netlink_unicast+0x449/0x710 [19904.485595][ T7704] netlink_sendmsg+0x723/0xbe0 [19904.485595][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19904.485595][ T7704] ___sys_sendmsg+0xee/0x170 [19904.485595][ T7704] __sys_sendmsg+0xcd/0x170 [19904.485595][ T7704] do_syscall_64+0xc6/0x1e0 [19904.485595][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19904.485595][ T7704] [19914.588807][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19914.589262][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19914.589262][ T7704] netdev_get_by_index+0x5e/0x80 [19914.589262][ T7704] fib6_nh_init+0x3d8/0x15b0 [19914.589262][ T7704] ip6_route_info_create+0xf18/0x17d0 [19914.589262][ T7704] ip6_route_add+0x1c/0x140 [19914.589262][ T7704] addrconf_prefix_route+0x2a6/0x430 [19914.589262][ T7704] inet6_addr_add+0x4f8/0xa40 [19914.589262][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19914.589262][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19914.589262][ T7704] netlink_rcv_skb+0x130/0x360 [19914.589262][ T7704] netlink_unicast+0x449/0x710 [19914.589262][ T7704] netlink_sendmsg+0x723/0xbe0 [19914.589262][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19914.589262][ T7704] ___sys_sendmsg+0xee/0x170 [19914.589262][ T7704] __sys_sendmsg+0xcd/0x170 [19914.589262][ T7704] do_syscall_64+0xc6/0x1e0 [19914.589262][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19914.589262][ T7704] [19914.592033][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19914.592033][ T7704] netdev_get_by_index+0x5e/0x80 [19914.592033][ T7704] fib6_nh_init+0x3d8/0x15b0 [19914.592033][ T7704] ip6_route_info_create+0xf18/0x17d0 [19914.592033][ T7704] addrconf_f6i_alloc+0x315/0x560 [19914.592033][ T7704] ipv6_add_addr+0x411/0x2000 [19914.592033][ T7704] inet6_addr_add+0x30e/0xa40 [19914.592033][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19914.592033][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19914.592033][ T7704] netlink_rcv_skb+0x130/0x360 [19914.592033][ T7704] netlink_unicast+0x449/0x710 [19914.592033][ T7704] netlink_sendmsg+0x723/0xbe0 [19914.592033][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19914.592033][ T7704] ___sys_sendmsg+0xee/0x170 [19914.592033][ T7704] __sys_sendmsg+0xcd/0x170 [19914.592033][ T7704] do_syscall_64+0xc6/0x1e0 [19914.592033][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19914.592033][ T7704] [19914.595257][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19914.595257][ T7704] netdev_get_by_index+0x5e/0x80 [19914.595257][ T7704] fib6_nh_init+0x3d8/0x15b0 [19914.595257][ T7704] ip6_route_info_create+0xf18/0x17d0 [19914.595257][ T7704] ip6_route_add+0x1c/0x140 [19914.595257][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19914.595257][ T7704] addrconf_add_dev+0xe2/0x170 [19914.595257][ T7704] inet6_addr_add+0x12f/0xa40 [19914.595257][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19914.595257][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19914.595257][ T7704] netlink_rcv_skb+0x130/0x360 [19914.595257][ T7704] netlink_unicast+0x449/0x710 [19914.595257][ T7704] netlink_sendmsg+0x723/0xbe0 [19914.595257][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19914.595257][ T7704] ___sys_sendmsg+0xee/0x170 [19914.595257][ T7704] __sys_sendmsg+0xcd/0x170 [19914.595257][ T7704] do_syscall_64+0xc6/0x1e0 [19914.595257][ T7704] [19914.597902][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19914.597902][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19914.597902][ T7704] ipv6_find_idev+0x102/0x170 [19914.597902][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19914.597902][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19914.597902][ T7704] netlink_rcv_skb+0x130/0x360 [19914.597902][ T7704] netlink_unicast+0x449/0x710 [19914.597902][ T7704] netlink_sendmsg+0x723/0xbe0 [19914.597902][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19914.597902][ T7704] ___sys_sendmsg+0xee/0x170 [19914.597902][ T7704] __sys_sendmsg+0xcd/0x170 [19914.597902][ T7704] do_syscall_64+0xc6/0x1e0 [19914.597902][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19914.597902][ T7704] [19914.599985][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19914.599985][ T7704] neigh_parms_alloc+0x1e5/0x510 [19914.599985][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19914.599985][ T7704] ipv6_find_idev+0x102/0x170 [19914.599985][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19914.599985][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19914.599985][ T7704] netlink_rcv_skb+0x130/0x360 [19914.599985][ T7704] netlink_unicast+0x449/0x710 [19914.599985][ T7704] netlink_sendmsg+0x723/0xbe0 [19914.599985][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19914.599985][ T7704] ___sys_sendmsg+0xee/0x170 [19914.599985][ T7704] __sys_sendmsg+0xcd/0x170 [19914.599985][ T7704] do_syscall_64+0xc6/0x1e0 [19914.599985][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19914.599985][ T7704] [19924.636798][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19924.637306][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19924.637306][ T7704] netdev_get_by_index+0x5e/0x80 [19924.637306][ T7704] fib6_nh_init+0x3d8/0x15b0 [19924.637306][ T7704] ip6_route_info_create+0xf18/0x17d0 [19924.637306][ T7704] ip6_route_add+0x1c/0x140 [19924.637306][ T7704] addrconf_prefix_route+0x2a6/0x430 [19924.637306][ T7704] inet6_addr_add+0x4f8/0xa40 [19924.637306][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19924.637306][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19924.637306][ T7704] netlink_rcv_skb+0x130/0x360 [19924.637306][ T7704] netlink_unicast+0x449/0x710 [19924.637306][ T7704] netlink_sendmsg+0x723/0xbe0 [19924.637306][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19924.637306][ T7704] ___sys_sendmsg+0xee/0x170 [19924.637306][ T7704] __sys_sendmsg+0xcd/0x170 [19924.637306][ T7704] do_syscall_64+0xc6/0x1e0 [19924.637306][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19924.637306][ T7704] [19924.639952][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19924.639952][ T7704] netdev_get_by_index+0x5e/0x80 [19924.639952][ T7704] fib6_nh_init+0x3d8/0x15b0 [19924.639952][ T7704] ip6_route_info_create+0xf18/0x17d0 [19924.639952][ T7704] addrconf_f6i_alloc+0x315/0x560 [19924.639952][ T7704] ipv6_add_addr+0x411/0x2000 [19924.639952][ T7704] inet6_addr_add+0x30e/0xa40 [19924.639952][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19924.639952][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19924.639952][ T7704] netlink_rcv_skb+0x130/0x360 [19924.639952][ T7704] netlink_unicast+0x449/0x710 [19924.639952][ T7704] netlink_sendmsg+0x723/0xbe0 [19924.639952][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19924.639952][ T7704] ___sys_sendmsg+0xee/0x170 [19924.639952][ T7704] __sys_sendmsg+0xcd/0x170 [19924.639952][ T7704] do_syscall_64+0xc6/0x1e0 [19924.639952][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19924.639952][ T7704] [19924.642171][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19924.642171][ T7704] netdev_get_by_index+0x5e/0x80 [19924.642171][ T7704] fib6_nh_init+0x3d8/0x15b0 [19924.642171][ T7704] ip6_route_info_create+0xf18/0x17d0 [19924.642171][ T7704] ip6_route_add+0x1c/0x140 [19924.642171][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19924.642171][ T7704] addrconf_add_dev+0xe2/0x170 [19924.642171][ T7704] inet6_addr_add+0x12f/0xa40 [19924.642171][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19924.642171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19924.642171][ T7704] netlink_rcv_skb+0x130/0x360 [19924.642171][ T7704] netlink_unicast+0x449/0x710 [19924.642171][ T7704] netlink_sendmsg+0x723/0xbe0 [19924.642171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19924.642171][ T7704] ___sys_sendmsg+0xee/0x170 [19924.642171][ T7704] __sys_sendmsg+0xcd/0x170 [19924.642171][ T7704] do_syscall_64+0xc6/0x1e0 [19924.642171][ T7704] [19924.644345][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19924.644345][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19924.644345][ T7704] ipv6_find_idev+0x102/0x170 [19924.644345][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19924.644345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19924.644345][ T7704] netlink_rcv_skb+0x130/0x360 [19924.644345][ T7704] netlink_unicast+0x449/0x710 [19924.644345][ T7704] netlink_sendmsg+0x723/0xbe0 [19924.644345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19924.644345][ T7704] ___sys_sendmsg+0xee/0x170 [19924.644345][ T7704] __sys_sendmsg+0xcd/0x170 [19924.644345][ T7704] do_syscall_64+0xc6/0x1e0 [19924.644345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19924.644345][ T7704] [19924.646049][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19924.646049][ T7704] neigh_parms_alloc+0x1e5/0x510 [19924.646049][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19924.646049][ T7704] ipv6_find_idev+0x102/0x170 [19924.646049][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19924.646049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19924.646049][ T7704] netlink_rcv_skb+0x130/0x360 [19924.646049][ T7704] netlink_unicast+0x449/0x710 [19924.646049][ T7704] netlink_sendmsg+0x723/0xbe0 [19924.646049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19924.646049][ T7704] ___sys_sendmsg+0xee/0x170 [19924.646049][ T7704] __sys_sendmsg+0xcd/0x170 [19924.646049][ T7704] do_syscall_64+0xc6/0x1e0 [19924.646049][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19924.646049][ T7704] [19934.836909][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19934.837374][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19934.837374][ T7704] netdev_get_by_index+0x5e/0x80 [19934.837374][ T7704] fib6_nh_init+0x3d8/0x15b0 [19934.837374][ T7704] ip6_route_info_create+0xf18/0x17d0 [19934.837374][ T7704] ip6_route_add+0x1c/0x140 [19934.837374][ T7704] addrconf_prefix_route+0x2a6/0x430 [19934.837374][ T7704] inet6_addr_add+0x4f8/0xa40 [19934.837374][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19934.837374][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19934.837374][ T7704] netlink_rcv_skb+0x130/0x360 [19934.837374][ T7704] netlink_unicast+0x449/0x710 [19934.837374][ T7704] netlink_sendmsg+0x723/0xbe0 [19934.837374][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19934.837374][ T7704] ___sys_sendmsg+0xee/0x170 [19934.837374][ T7704] __sys_sendmsg+0xcd/0x170 [19934.837374][ T7704] do_syscall_64+0xc6/0x1e0 [19934.837374][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19934.837374][ T7704] [19934.839630][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19934.839630][ T7704] netdev_get_by_index+0x5e/0x80 [19934.839630][ T7704] fib6_nh_init+0x3d8/0x15b0 [19934.839630][ T7704] ip6_route_info_create+0xf18/0x17d0 [19934.839630][ T7704] addrconf_f6i_alloc+0x315/0x560 [19934.839630][ T7704] ipv6_add_addr+0x411/0x2000 [19934.839630][ T7704] inet6_addr_add+0x30e/0xa40 [19934.839630][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19934.839630][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19934.839630][ T7704] netlink_rcv_skb+0x130/0x360 [19934.839630][ T7704] netlink_unicast+0x449/0x710 [19934.839630][ T7704] netlink_sendmsg+0x723/0xbe0 [19934.839630][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19934.839630][ T7704] ___sys_sendmsg+0xee/0x170 [19934.839630][ T7704] __sys_sendmsg+0xcd/0x170 [19934.839630][ T7704] do_syscall_64+0xc6/0x1e0 [19934.839630][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19934.839630][ T7704] [19934.841871][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19934.841871][ T7704] netdev_get_by_index+0x5e/0x80 [19934.841871][ T7704] fib6_nh_init+0x3d8/0x15b0 [19934.841871][ T7704] ip6_route_info_create+0xf18/0x17d0 [19934.841871][ T7704] ip6_route_add+0x1c/0x140 [19934.841871][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19934.841871][ T7704] addrconf_add_dev+0xe2/0x170 [19934.841871][ T7704] inet6_addr_add+0x12f/0xa40 [19934.841871][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19934.841871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19934.841871][ T7704] netlink_rcv_skb+0x130/0x360 [19934.841871][ T7704] netlink_unicast+0x449/0x710 [19934.841871][ T7704] netlink_sendmsg+0x723/0xbe0 [19934.841871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19934.841871][ T7704] ___sys_sendmsg+0xee/0x170 [19934.841871][ T7704] __sys_sendmsg+0xcd/0x170 [19934.841871][ T7704] do_syscall_64+0xc6/0x1e0 [19934.841871][ T7704] [19934.844080][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19934.844080][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19934.844080][ T7704] ipv6_find_idev+0x102/0x170 [19934.844080][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19934.844080][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19934.844080][ T7704] netlink_rcv_skb+0x130/0x360 [19934.844080][ T7704] netlink_unicast+0x449/0x710 [19934.844080][ T7704] netlink_sendmsg+0x723/0xbe0 [19934.844080][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19934.844080][ T7704] ___sys_sendmsg+0xee/0x170 [19934.844080][ T7704] __sys_sendmsg+0xcd/0x170 [19934.844080][ T7704] do_syscall_64+0xc6/0x1e0 [19934.844080][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19934.844080][ T7704] [19934.845795][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19934.845795][ T7704] neigh_parms_alloc+0x1e5/0x510 [19934.845795][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19934.845795][ T7704] ipv6_find_idev+0x102/0x170 [19934.845795][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19934.845795][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19934.845795][ T7704] netlink_rcv_skb+0x130/0x360 [19934.845795][ T7704] netlink_unicast+0x449/0x710 [19934.845795][ T7704] netlink_sendmsg+0x723/0xbe0 [19934.845795][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19934.845795][ T7704] ___sys_sendmsg+0xee/0x170 [19934.845795][ T7704] __sys_sendmsg+0xcd/0x170 [19934.845795][ T7704] do_syscall_64+0xc6/0x1e0 [19934.845795][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19934.845795][ T7704] [19944.884805][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19944.885336][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19944.885336][ T7704] netdev_get_by_index+0x5e/0x80 [19944.885336][ T7704] fib6_nh_init+0x3d8/0x15b0 [19944.885336][ T7704] ip6_route_info_create+0xf18/0x17d0 [19944.885336][ T7704] ip6_route_add+0x1c/0x140 [19944.885336][ T7704] addrconf_prefix_route+0x2a6/0x430 [19944.885336][ T7704] inet6_addr_add+0x4f8/0xa40 [19944.885336][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19944.885336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19944.885336][ T7704] netlink_rcv_skb+0x130/0x360 [19944.885336][ T7704] netlink_unicast+0x449/0x710 [19944.885336][ T7704] netlink_sendmsg+0x723/0xbe0 [19944.885336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19944.885336][ T7704] ___sys_sendmsg+0xee/0x170 [19944.885336][ T7704] __sys_sendmsg+0xcd/0x170 [19944.885336][ T7704] do_syscall_64+0xc6/0x1e0 [19944.885336][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19944.885336][ T7704] [19944.887594][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19944.887594][ T7704] netdev_get_by_index+0x5e/0x80 [19944.887594][ T7704] fib6_nh_init+0x3d8/0x15b0 [19944.887594][ T7704] ip6_route_info_create+0xf18/0x17d0 [19944.887594][ T7704] addrconf_f6i_alloc+0x315/0x560 [19944.887594][ T7704] ipv6_add_addr+0x411/0x2000 [19944.887594][ T7704] inet6_addr_add+0x30e/0xa40 [19944.887594][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19944.887594][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19944.887594][ T7704] netlink_rcv_skb+0x130/0x360 [19944.887594][ T7704] netlink_unicast+0x449/0x710 [19944.887594][ T7704] netlink_sendmsg+0x723/0xbe0 [19944.887594][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19944.887594][ T7704] ___sys_sendmsg+0xee/0x170 [19944.887594][ T7704] __sys_sendmsg+0xcd/0x170 [19944.887594][ T7704] do_syscall_64+0xc6/0x1e0 [19944.887594][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19944.887594][ T7704] [19944.889842][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19944.889842][ T7704] netdev_get_by_index+0x5e/0x80 [19944.889842][ T7704] fib6_nh_init+0x3d8/0x15b0 [19944.889842][ T7704] ip6_route_info_create+0xf18/0x17d0 [19944.889842][ T7704] ip6_route_add+0x1c/0x140 [19944.889842][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19944.889842][ T7704] addrconf_add_dev+0xe2/0x170 [19944.889842][ T7704] inet6_addr_add+0x12f/0xa40 [19944.889842][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19944.889842][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19944.889842][ T7704] netlink_rcv_skb+0x130/0x360 [19944.889842][ T7704] netlink_unicast+0x449/0x710 [19944.889842][ T7704] netlink_sendmsg+0x723/0xbe0 [19944.889842][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19944.889842][ T7704] ___sys_sendmsg+0xee/0x170 [19944.889842][ T7704] __sys_sendmsg+0xcd/0x170 [19944.889842][ T7704] do_syscall_64+0xc6/0x1e0 [19944.889842][ T7704] [19944.892037][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19944.892037][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19944.892037][ T7704] ipv6_find_idev+0x102/0x170 [19944.892037][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19944.892037][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19944.892037][ T7704] netlink_rcv_skb+0x130/0x360 [19944.892037][ T7704] netlink_unicast+0x449/0x710 [19944.892037][ T7704] netlink_sendmsg+0x723/0xbe0 [19944.892037][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19944.892037][ T7704] ___sys_sendmsg+0xee/0x170 [19944.892037][ T7704] __sys_sendmsg+0xcd/0x170 [19944.892037][ T7704] do_syscall_64+0xc6/0x1e0 [19944.892037][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19944.892037][ T7704] [19944.893750][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19944.893750][ T7704] neigh_parms_alloc+0x1e5/0x510 [19944.893750][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19944.893750][ T7704] ipv6_find_idev+0x102/0x170 [19944.893750][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19944.893750][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19944.893750][ T7704] netlink_rcv_skb+0x130/0x360 [19944.893750][ T7704] netlink_unicast+0x449/0x710 [19944.893750][ T7704] netlink_sendmsg+0x723/0xbe0 [19944.893750][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19944.893750][ T7704] ___sys_sendmsg+0xee/0x170 [19944.893750][ T7704] __sys_sendmsg+0xcd/0x170 [19944.893750][ T7704] do_syscall_64+0xc6/0x1e0 [19944.893750][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19944.893750][ T7704] [19955.132812][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19955.133338][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19955.133338][ T7704] netdev_get_by_index+0x5e/0x80 [19955.133338][ T7704] fib6_nh_init+0x3d8/0x15b0 [19955.133338][ T7704] ip6_route_info_create+0xf18/0x17d0 [19955.133338][ T7704] ip6_route_add+0x1c/0x140 [19955.133338][ T7704] addrconf_prefix_route+0x2a6/0x430 [19955.133338][ T7704] inet6_addr_add+0x4f8/0xa40 [19955.133338][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19955.133338][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19955.133338][ T7704] netlink_rcv_skb+0x130/0x360 [19955.133338][ T7704] netlink_unicast+0x449/0x710 [19955.133338][ T7704] netlink_sendmsg+0x723/0xbe0 [19955.133338][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19955.133338][ T7704] ___sys_sendmsg+0xee/0x170 [19955.133338][ T7704] __sys_sendmsg+0xcd/0x170 [19955.133338][ T7704] do_syscall_64+0xc6/0x1e0 [19955.133338][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19955.133338][ T7704] [19955.135618][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19955.135618][ T7704] netdev_get_by_index+0x5e/0x80 [19955.135618][ T7704] fib6_nh_init+0x3d8/0x15b0 [19955.135618][ T7704] ip6_route_info_create+0xf18/0x17d0 [19955.135618][ T7704] addrconf_f6i_alloc+0x315/0x560 [19955.135618][ T7704] ipv6_add_addr+0x411/0x2000 [19955.135618][ T7704] inet6_addr_add+0x30e/0xa40 [19955.135618][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19955.135618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19955.135618][ T7704] netlink_rcv_skb+0x130/0x360 [19955.135618][ T7704] netlink_unicast+0x449/0x710 [19955.135618][ T7704] netlink_sendmsg+0x723/0xbe0 [19955.135618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19955.135618][ T7704] ___sys_sendmsg+0xee/0x170 [19955.135618][ T7704] __sys_sendmsg+0xcd/0x170 [19955.135618][ T7704] do_syscall_64+0xc6/0x1e0 [19955.135618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19955.135618][ T7704] [19955.137859][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19955.137859][ T7704] netdev_get_by_index+0x5e/0x80 [19955.137859][ T7704] fib6_nh_init+0x3d8/0x15b0 [19955.137859][ T7704] ip6_route_info_create+0xf18/0x17d0 [19955.137859][ T7704] ip6_route_add+0x1c/0x140 [19955.137859][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19955.137859][ T7704] addrconf_add_dev+0xe2/0x170 [19955.137859][ T7704] inet6_addr_add+0x12f/0xa40 [19955.137859][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19955.137859][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19955.137859][ T7704] netlink_rcv_skb+0x130/0x360 [19955.137859][ T7704] netlink_unicast+0x449/0x710 [19955.137859][ T7704] netlink_sendmsg+0x723/0xbe0 [19955.137859][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19955.137859][ T7704] ___sys_sendmsg+0xee/0x170 [19955.137859][ T7704] __sys_sendmsg+0xcd/0x170 [19955.137859][ T7704] do_syscall_64+0xc6/0x1e0 [19955.137859][ T7704] [19955.140067][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19955.140067][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19955.140067][ T7704] ipv6_find_idev+0x102/0x170 [19955.140067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19955.140067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19955.140067][ T7704] netlink_rcv_skb+0x130/0x360 [19955.140067][ T7704] netlink_unicast+0x449/0x710 [19955.140067][ T7704] netlink_sendmsg+0x723/0xbe0 [19955.140067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19955.140067][ T7704] ___sys_sendmsg+0xee/0x170 [19955.140067][ T7704] __sys_sendmsg+0xcd/0x170 [19955.140067][ T7704] do_syscall_64+0xc6/0x1e0 [19955.140067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19955.140067][ T7704] [19955.142298][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19955.142298][ T7704] neigh_parms_alloc+0x1e5/0x510 [19955.142298][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19955.142298][ T7704] ipv6_find_idev+0x102/0x170 [19955.142298][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19955.142298][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19955.142298][ T7704] netlink_rcv_skb+0x130/0x360 [19955.142298][ T7704] netlink_unicast+0x449/0x710 [19955.142298][ T7704] netlink_sendmsg+0x723/0xbe0 [19955.142298][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19955.142298][ T7704] ___sys_sendmsg+0xee/0x170 [19955.142298][ T7704] __sys_sendmsg+0xcd/0x170 [19955.142298][ T7704] do_syscall_64+0xc6/0x1e0 [19955.142298][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19955.142298][ T7704] [19965.180970][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19965.181572][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19965.181572][ T7704] netdev_get_by_index+0x5e/0x80 [19965.181572][ T7704] fib6_nh_init+0x3d8/0x15b0 [19965.181572][ T7704] ip6_route_info_create+0xf18/0x17d0 [19965.181572][ T7704] ip6_route_add+0x1c/0x140 [19965.181572][ T7704] addrconf_prefix_route+0x2a6/0x430 [19965.181572][ T7704] inet6_addr_add+0x4f8/0xa40 [19965.181572][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19965.181572][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19965.181572][ T7704] netlink_rcv_skb+0x130/0x360 [19965.181572][ T7704] netlink_unicast+0x449/0x710 [19965.181572][ T7704] netlink_sendmsg+0x723/0xbe0 [19965.181572][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19965.181572][ T7704] ___sys_sendmsg+0xee/0x170 [19965.181572][ T7704] __sys_sendmsg+0xcd/0x170 [19965.181572][ T7704] do_syscall_64+0xc6/0x1e0 [19965.181572][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19965.181572][ T7704] [19965.183796][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19965.183796][ T7704] netdev_get_by_index+0x5e/0x80 [19965.183796][ T7704] fib6_nh_init+0x3d8/0x15b0 [19965.183796][ T7704] ip6_route_info_create+0xf18/0x17d0 [19965.183796][ T7704] addrconf_f6i_alloc+0x315/0x560 [19965.183796][ T7704] ipv6_add_addr+0x411/0x2000 [19965.183796][ T7704] inet6_addr_add+0x30e/0xa40 [19965.183796][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19965.183796][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19965.183796][ T7704] netlink_rcv_skb+0x130/0x360 [19965.183796][ T7704] netlink_unicast+0x449/0x710 [19965.183796][ T7704] netlink_sendmsg+0x723/0xbe0 [19965.183796][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19965.183796][ T7704] ___sys_sendmsg+0xee/0x170 [19965.183796][ T7704] __sys_sendmsg+0xcd/0x170 [19965.183796][ T7704] do_syscall_64+0xc6/0x1e0 [19965.183796][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19965.183796][ T7704] [19965.186014][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19965.186014][ T7704] netdev_get_by_index+0x5e/0x80 [19965.186014][ T7704] fib6_nh_init+0x3d8/0x15b0 [19965.186014][ T7704] ip6_route_info_create+0xf18/0x17d0 [19965.186014][ T7704] ip6_route_add+0x1c/0x140 [19965.186014][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19965.186014][ T7704] addrconf_add_dev+0xe2/0x170 [19965.186014][ T7704] inet6_addr_add+0x12f/0xa40 [19965.186014][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19965.186014][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19965.186014][ T7704] netlink_rcv_skb+0x130/0x360 [19965.186014][ T7704] netlink_unicast+0x449/0x710 [19965.186014][ T7704] netlink_sendmsg+0x723/0xbe0 [19965.186014][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19965.186014][ T7704] ___sys_sendmsg+0xee/0x170 [19965.186014][ T7704] __sys_sendmsg+0xcd/0x170 [19965.186014][ T7704] do_syscall_64+0xc6/0x1e0 [19965.186014][ T7704] [19965.188180][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19965.188180][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19965.188180][ T7704] ipv6_find_idev+0x102/0x170 [19965.188180][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19965.188180][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19965.188180][ T7704] netlink_rcv_skb+0x130/0x360 [19965.188180][ T7704] netlink_unicast+0x449/0x710 [19965.188180][ T7704] netlink_sendmsg+0x723/0xbe0 [19965.188180][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19965.188180][ T7704] ___sys_sendmsg+0xee/0x170 [19965.188180][ T7704] __sys_sendmsg+0xcd/0x170 [19965.188180][ T7704] do_syscall_64+0xc6/0x1e0 [19965.188180][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19965.188180][ T7704] [19965.189885][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19965.189885][ T7704] neigh_parms_alloc+0x1e5/0x510 [19965.189885][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19965.189885][ T7704] ipv6_find_idev+0x102/0x170 [19965.189885][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19965.189885][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19965.189885][ T7704] netlink_rcv_skb+0x130/0x360 [19965.189885][ T7704] netlink_unicast+0x449/0x710 [19965.189885][ T7704] netlink_sendmsg+0x723/0xbe0 [19965.189885][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19965.189885][ T7704] ___sys_sendmsg+0xee/0x170 [19965.189885][ T7704] __sys_sendmsg+0xcd/0x170 [19965.189885][ T7704] do_syscall_64+0xc6/0x1e0 [19965.189885][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19965.189885][ T7704] [19975.204802][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19975.205301][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19975.205301][ T7704] netdev_get_by_index+0x5e/0x80 [19975.205301][ T7704] fib6_nh_init+0x3d8/0x15b0 [19975.205301][ T7704] ip6_route_info_create+0xf18/0x17d0 [19975.205301][ T7704] ip6_route_add+0x1c/0x140 [19975.205301][ T7704] addrconf_prefix_route+0x2a6/0x430 [19975.205301][ T7704] inet6_addr_add+0x4f8/0xa40 [19975.205301][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19975.205301][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19975.205301][ T7704] netlink_rcv_skb+0x130/0x360 [19975.205301][ T7704] netlink_unicast+0x449/0x710 [19975.205301][ T7704] netlink_sendmsg+0x723/0xbe0 [19975.205301][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19975.205301][ T7704] ___sys_sendmsg+0xee/0x170 [19975.205301][ T7704] __sys_sendmsg+0xcd/0x170 [19975.205301][ T7704] do_syscall_64+0xc6/0x1e0 [19975.205301][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19975.205301][ T7704] [19975.207537][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19975.207537][ T7704] netdev_get_by_index+0x5e/0x80 [19975.207537][ T7704] fib6_nh_init+0x3d8/0x15b0 [19975.207537][ T7704] ip6_route_info_create+0xf18/0x17d0 [19975.207537][ T7704] addrconf_f6i_alloc+0x315/0x560 [19975.207537][ T7704] ipv6_add_addr+0x411/0x2000 [19975.207537][ T7704] inet6_addr_add+0x30e/0xa40 [19975.207537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19975.207537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19975.207537][ T7704] netlink_rcv_skb+0x130/0x360 [19975.207537][ T7704] netlink_unicast+0x449/0x710 [19975.207537][ T7704] netlink_sendmsg+0x723/0xbe0 [19975.207537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19975.207537][ T7704] ___sys_sendmsg+0xee/0x170 [19975.207537][ T7704] __sys_sendmsg+0xcd/0x170 [19975.207537][ T7704] do_syscall_64+0xc6/0x1e0 [19975.207537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19975.207537][ T7704] [19975.209757][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19975.209757][ T7704] netdev_get_by_index+0x5e/0x80 [19975.209757][ T7704] fib6_nh_init+0x3d8/0x15b0 [19975.209757][ T7704] ip6_route_info_create+0xf18/0x17d0 [19975.209757][ T7704] ip6_route_add+0x1c/0x140 [19975.209757][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19975.209757][ T7704] addrconf_add_dev+0xe2/0x170 [19975.209757][ T7704] inet6_addr_add+0x12f/0xa40 [19975.209757][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19975.209757][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19975.209757][ T7704] netlink_rcv_skb+0x130/0x360 [19975.209757][ T7704] netlink_unicast+0x449/0x710 [19975.209757][ T7704] netlink_sendmsg+0x723/0xbe0 [19975.209757][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19975.209757][ T7704] ___sys_sendmsg+0xee/0x170 [19975.209757][ T7704] __sys_sendmsg+0xcd/0x170 [19975.209757][ T7704] do_syscall_64+0xc6/0x1e0 [19975.209757][ T7704] [19975.211917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19975.211917][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19975.211917][ T7704] ipv6_find_idev+0x102/0x170 [19975.211917][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19975.211917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19975.211917][ T7704] netlink_rcv_skb+0x130/0x360 [19975.211917][ T7704] netlink_unicast+0x449/0x710 [19975.211917][ T7704] netlink_sendmsg+0x723/0xbe0 [19975.211917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19975.211917][ T7704] ___sys_sendmsg+0xee/0x170 [19975.211917][ T7704] __sys_sendmsg+0xcd/0x170 [19975.211917][ T7704] do_syscall_64+0xc6/0x1e0 [19975.211917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19975.211917][ T7704] [19975.213618][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19975.213618][ T7704] neigh_parms_alloc+0x1e5/0x510 [19975.213618][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19975.213618][ T7704] ipv6_find_idev+0x102/0x170 [19975.213618][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19975.213618][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19975.213618][ T7704] netlink_rcv_skb+0x130/0x360 [19975.213618][ T7704] netlink_unicast+0x449/0x710 [19975.213618][ T7704] netlink_sendmsg+0x723/0xbe0 [19975.213618][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19975.213618][ T7704] ___sys_sendmsg+0xee/0x170 [19975.213618][ T7704] __sys_sendmsg+0xcd/0x170 [19975.213618][ T7704] do_syscall_64+0xc6/0x1e0 [19975.213618][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19975.213618][ T7704] [19985.252806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19985.253334][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19985.253334][ T7704] netdev_get_by_index+0x5e/0x80 [19985.253334][ T7704] fib6_nh_init+0x3d8/0x15b0 [19985.253334][ T7704] ip6_route_info_create+0xf18/0x17d0 [19985.253334][ T7704] ip6_route_add+0x1c/0x140 [19985.253334][ T7704] addrconf_prefix_route+0x2a6/0x430 [19985.253334][ T7704] inet6_addr_add+0x4f8/0xa40 [19985.253334][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19985.253334][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19985.253334][ T7704] netlink_rcv_skb+0x130/0x360 [19985.253334][ T7704] netlink_unicast+0x449/0x710 [19985.253334][ T7704] netlink_sendmsg+0x723/0xbe0 [19985.253334][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19985.253334][ T7704] ___sys_sendmsg+0xee/0x170 [19985.253334][ T7704] __sys_sendmsg+0xcd/0x170 [19985.253334][ T7704] do_syscall_64+0xc6/0x1e0 [19985.253334][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19985.253334][ T7704] [19985.255606][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19985.255606][ T7704] netdev_get_by_index+0x5e/0x80 [19985.255606][ T7704] fib6_nh_init+0x3d8/0x15b0 [19985.255606][ T7704] ip6_route_info_create+0xf18/0x17d0 [19985.255606][ T7704] addrconf_f6i_alloc+0x315/0x560 [19985.255606][ T7704] ipv6_add_addr+0x411/0x2000 [19985.255606][ T7704] inet6_addr_add+0x30e/0xa40 [19985.255606][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19985.255606][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19985.255606][ T7704] netlink_rcv_skb+0x130/0x360 [19985.255606][ T7704] netlink_unicast+0x449/0x710 [19985.255606][ T7704] netlink_sendmsg+0x723/0xbe0 [19985.255606][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19985.255606][ T7704] ___sys_sendmsg+0xee/0x170 [19985.255606][ T7704] __sys_sendmsg+0xcd/0x170 [19985.255606][ T7704] do_syscall_64+0xc6/0x1e0 [19985.255606][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19985.255606][ T7704] [19985.257850][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19985.257850][ T7704] netdev_get_by_index+0x5e/0x80 [19985.257850][ T7704] fib6_nh_init+0x3d8/0x15b0 [19985.257850][ T7704] ip6_route_info_create+0xf18/0x17d0 [19985.257850][ T7704] ip6_route_add+0x1c/0x140 [19985.257850][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19985.257850][ T7704] addrconf_add_dev+0xe2/0x170 [19985.257850][ T7704] inet6_addr_add+0x12f/0xa40 [19985.257850][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19985.257850][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19985.257850][ T7704] netlink_rcv_skb+0x130/0x360 [19985.257850][ T7704] netlink_unicast+0x449/0x710 [19985.257850][ T7704] netlink_sendmsg+0x723/0xbe0 [19985.257850][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19985.257850][ T7704] ___sys_sendmsg+0xee/0x170 [19985.257850][ T7704] __sys_sendmsg+0xcd/0x170 [19985.257850][ T7704] do_syscall_64+0xc6/0x1e0 [19985.257850][ T7704] [19985.260062][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19985.260062][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19985.260062][ T7704] ipv6_find_idev+0x102/0x170 [19985.260062][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19985.260062][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19985.260062][ T7704] netlink_rcv_skb+0x130/0x360 [19985.260062][ T7704] netlink_unicast+0x449/0x710 [19985.260062][ T7704] netlink_sendmsg+0x723/0xbe0 [19985.260062][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19985.260062][ T7704] ___sys_sendmsg+0xee/0x170 [19985.260062][ T7704] __sys_sendmsg+0xcd/0x170 [19985.260062][ T7704] do_syscall_64+0xc6/0x1e0 [19985.260062][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19985.260062][ T7704] [19985.261778][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19985.261778][ T7704] neigh_parms_alloc+0x1e5/0x510 [19985.261778][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19985.261778][ T7704] ipv6_find_idev+0x102/0x170 [19985.261778][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19985.261778][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19985.261778][ T7704] netlink_rcv_skb+0x130/0x360 [19985.261778][ T7704] netlink_unicast+0x449/0x710 [19985.261778][ T7704] netlink_sendmsg+0x723/0xbe0 [19985.261778][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19985.261778][ T7704] ___sys_sendmsg+0xee/0x170 [19985.261778][ T7704] __sys_sendmsg+0xcd/0x170 [19985.261778][ T7704] do_syscall_64+0xc6/0x1e0 [19985.261778][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19985.261778][ T7704] [19995.332967][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [19995.333500][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19995.333500][ T7704] netdev_get_by_index+0x5e/0x80 [19995.333500][ T7704] fib6_nh_init+0x3d8/0x15b0 [19995.333500][ T7704] ip6_route_info_create+0xf18/0x17d0 [19995.333500][ T7704] ip6_route_add+0x1c/0x140 [19995.333500][ T7704] addrconf_prefix_route+0x2a6/0x430 [19995.333500][ T7704] inet6_addr_add+0x4f8/0xa40 [19995.333500][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19995.333500][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19995.333500][ T7704] netlink_rcv_skb+0x130/0x360 [19995.333500][ T7704] netlink_unicast+0x449/0x710 [19995.333500][ T7704] netlink_sendmsg+0x723/0xbe0 [19995.333500][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19995.333500][ T7704] ___sys_sendmsg+0xee/0x170 [19995.333500][ T7704] __sys_sendmsg+0xcd/0x170 [19995.333500][ T7704] do_syscall_64+0xc6/0x1e0 [19995.333500][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19995.333500][ T7704] [19995.335780][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19995.335780][ T7704] netdev_get_by_index+0x5e/0x80 [19995.335780][ T7704] fib6_nh_init+0x3d8/0x15b0 [19995.335780][ T7704] ip6_route_info_create+0xf18/0x17d0 [19995.335780][ T7704] addrconf_f6i_alloc+0x315/0x560 [19995.335780][ T7704] ipv6_add_addr+0x411/0x2000 [19995.335780][ T7704] inet6_addr_add+0x30e/0xa40 [19995.335780][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19995.335780][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19995.335780][ T7704] netlink_rcv_skb+0x130/0x360 [19995.335780][ T7704] netlink_unicast+0x449/0x710 [19995.335780][ T7704] netlink_sendmsg+0x723/0xbe0 [19995.335780][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19995.335780][ T7704] ___sys_sendmsg+0xee/0x170 [19995.335780][ T7704] __sys_sendmsg+0xcd/0x170 [19995.335780][ T7704] do_syscall_64+0xc6/0x1e0 [19995.335780][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19995.335780][ T7704] [19995.338012][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19995.338012][ T7704] netdev_get_by_index+0x5e/0x80 [19995.338012][ T7704] fib6_nh_init+0x3d8/0x15b0 [19995.338012][ T7704] ip6_route_info_create+0xf18/0x17d0 [19995.338012][ T7704] ip6_route_add+0x1c/0x140 [19995.338012][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [19995.338012][ T7704] addrconf_add_dev+0xe2/0x170 [19995.338012][ T7704] inet6_addr_add+0x12f/0xa40 [19995.338012][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [19995.338012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19995.338012][ T7704] netlink_rcv_skb+0x130/0x360 [19995.338012][ T7704] netlink_unicast+0x449/0x710 [19995.338012][ T7704] netlink_sendmsg+0x723/0xbe0 [19995.338012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19995.338012][ T7704] ___sys_sendmsg+0xee/0x170 [19995.338012][ T7704] __sys_sendmsg+0xcd/0x170 [19995.338012][ T7704] do_syscall_64+0xc6/0x1e0 [19995.338012][ T7704] [19995.340241][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19995.340241][ T7704] ipv6_add_dev+0x3b9/0x11c0 [19995.340241][ T7704] ipv6_find_idev+0x102/0x170 [19995.340241][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19995.340241][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19995.340241][ T7704] netlink_rcv_skb+0x130/0x360 [19995.340241][ T7704] netlink_unicast+0x449/0x710 [19995.340241][ T7704] netlink_sendmsg+0x723/0xbe0 [19995.340241][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19995.340241][ T7704] ___sys_sendmsg+0xee/0x170 [19995.340241][ T7704] __sys_sendmsg+0xcd/0x170 [19995.340241][ T7704] do_syscall_64+0xc6/0x1e0 [19995.340241][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19995.340241][ T7704] [19995.341965][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [19995.341965][ T7704] neigh_parms_alloc+0x1e5/0x510 [19995.341965][ T7704] ipv6_add_dev+0x2fd/0x11c0 [19995.341965][ T7704] ipv6_find_idev+0x102/0x170 [19995.341965][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [19995.341965][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [19995.341965][ T7704] netlink_rcv_skb+0x130/0x360 [19995.341965][ T7704] netlink_unicast+0x449/0x710 [19995.341965][ T7704] netlink_sendmsg+0x723/0xbe0 [19995.341965][ T7704] ____sys_sendmsg+0x7b2/0xa10 [19995.341965][ T7704] ___sys_sendmsg+0xee/0x170 [19995.341965][ T7704] __sys_sendmsg+0xcd/0x170 [19995.341965][ T7704] do_syscall_64+0xc6/0x1e0 [19995.341965][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [19995.341965][ T7704] [20005.596796][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20005.597345][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20005.597345][ T7704] netdev_get_by_index+0x5e/0x80 [20005.597345][ T7704] fib6_nh_init+0x3d8/0x15b0 [20005.597345][ T7704] ip6_route_info_create+0xf18/0x17d0 [20005.597345][ T7704] ip6_route_add+0x1c/0x140 [20005.597345][ T7704] addrconf_prefix_route+0x2a6/0x430 [20005.597345][ T7704] inet6_addr_add+0x4f8/0xa40 [20005.597345][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20005.597345][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20005.597345][ T7704] netlink_rcv_skb+0x130/0x360 [20005.597345][ T7704] netlink_unicast+0x449/0x710 [20005.597345][ T7704] netlink_sendmsg+0x723/0xbe0 [20005.597345][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20005.597345][ T7704] ___sys_sendmsg+0xee/0x170 [20005.597345][ T7704] __sys_sendmsg+0xcd/0x170 [20005.597345][ T7704] do_syscall_64+0xc6/0x1e0 [20005.597345][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20005.597345][ T7704] [20005.599624][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20005.599624][ T7704] netdev_get_by_index+0x5e/0x80 [20005.599624][ T7704] fib6_nh_init+0x3d8/0x15b0 [20005.599624][ T7704] ip6_route_info_create+0xf18/0x17d0 [20005.599624][ T7704] addrconf_f6i_alloc+0x315/0x560 [20005.599624][ T7704] ipv6_add_addr+0x411/0x2000 [20005.599624][ T7704] inet6_addr_add+0x30e/0xa40 [20005.599624][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20005.599624][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20005.599624][ T7704] netlink_rcv_skb+0x130/0x360 [20005.599624][ T7704] netlink_unicast+0x449/0x710 [20005.599624][ T7704] netlink_sendmsg+0x723/0xbe0 [20005.599624][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20005.599624][ T7704] ___sys_sendmsg+0xee/0x170 [20005.599624][ T7704] __sys_sendmsg+0xcd/0x170 [20005.599624][ T7704] do_syscall_64+0xc6/0x1e0 [20005.599624][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20005.599624][ T7704] [20005.601863][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20005.601863][ T7704] netdev_get_by_index+0x5e/0x80 [20005.601863][ T7704] fib6_nh_init+0x3d8/0x15b0 [20005.601863][ T7704] ip6_route_info_create+0xf18/0x17d0 [20005.601863][ T7704] ip6_route_add+0x1c/0x140 [20005.601863][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20005.601863][ T7704] addrconf_add_dev+0xe2/0x170 [20005.601863][ T7704] inet6_addr_add+0x12f/0xa40 [20005.601863][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20005.601863][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20005.601863][ T7704] netlink_rcv_skb+0x130/0x360 [20005.601863][ T7704] netlink_unicast+0x449/0x710 [20005.601863][ T7704] netlink_sendmsg+0x723/0xbe0 [20005.601863][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20005.601863][ T7704] ___sys_sendmsg+0xee/0x170 [20005.601863][ T7704] __sys_sendmsg+0xcd/0x170 [20005.601863][ T7704] do_syscall_64+0xc6/0x1e0 [20005.601863][ T7704] [20005.604070][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20005.604070][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20005.604070][ T7704] ipv6_find_idev+0x102/0x170 [20005.604070][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20005.604070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20005.604070][ T7704] netlink_rcv_skb+0x130/0x360 [20005.604070][ T7704] netlink_unicast+0x449/0x710 [20005.604070][ T7704] netlink_sendmsg+0x723/0xbe0 [20005.604070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20005.604070][ T7704] ___sys_sendmsg+0xee/0x170 [20005.604070][ T7704] __sys_sendmsg+0xcd/0x170 [20005.604070][ T7704] do_syscall_64+0xc6/0x1e0 [20005.604070][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20005.604070][ T7704] [20005.605788][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20005.605788][ T7704] neigh_parms_alloc+0x1e5/0x510 [20005.605788][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20005.605788][ T7704] ipv6_find_idev+0x102/0x170 [20005.605788][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20005.605788][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20005.605788][ T7704] netlink_rcv_skb+0x130/0x360 [20005.605788][ T7704] netlink_unicast+0x449/0x710 [20005.605788][ T7704] netlink_sendmsg+0x723/0xbe0 [20005.605788][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20005.605788][ T7704] ___sys_sendmsg+0xee/0x170 [20005.605788][ T7704] __sys_sendmsg+0xcd/0x170 [20005.605788][ T7704] do_syscall_64+0xc6/0x1e0 [20005.605788][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20005.605788][ T7704] [20015.860876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20015.861406][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20015.861406][ T7704] netdev_get_by_index+0x5e/0x80 [20015.861406][ T7704] fib6_nh_init+0x3d8/0x15b0 [20015.861406][ T7704] ip6_route_info_create+0xf18/0x17d0 [20015.861406][ T7704] ip6_route_add+0x1c/0x140 [20015.861406][ T7704] addrconf_prefix_route+0x2a6/0x430 [20015.861406][ T7704] inet6_addr_add+0x4f8/0xa40 [20015.861406][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20015.861406][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20015.861406][ T7704] netlink_rcv_skb+0x130/0x360 [20015.861406][ T7704] netlink_unicast+0x449/0x710 [20015.861406][ T7704] netlink_sendmsg+0x723/0xbe0 [20015.861406][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20015.861406][ T7704] ___sys_sendmsg+0xee/0x170 [20015.861406][ T7704] __sys_sendmsg+0xcd/0x170 [20015.861406][ T7704] do_syscall_64+0xc6/0x1e0 [20015.861406][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20015.861406][ T7704] [20015.863633][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20015.863633][ T7704] netdev_get_by_index+0x5e/0x80 [20015.863633][ T7704] fib6_nh_init+0x3d8/0x15b0 [20015.863633][ T7704] ip6_route_info_create+0xf18/0x17d0 [20015.863633][ T7704] addrconf_f6i_alloc+0x315/0x560 [20015.863633][ T7704] ipv6_add_addr+0x411/0x2000 [20015.863633][ T7704] inet6_addr_add+0x30e/0xa40 [20015.863633][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20015.863633][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20015.863633][ T7704] netlink_rcv_skb+0x130/0x360 [20015.863633][ T7704] netlink_unicast+0x449/0x710 [20015.863633][ T7704] netlink_sendmsg+0x723/0xbe0 [20015.863633][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20015.863633][ T7704] ___sys_sendmsg+0xee/0x170 [20015.863633][ T7704] __sys_sendmsg+0xcd/0x170 [20015.863633][ T7704] do_syscall_64+0xc6/0x1e0 [20015.863633][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20015.863633][ T7704] [20015.865841][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20015.865841][ T7704] netdev_get_by_index+0x5e/0x80 [20015.865841][ T7704] fib6_nh_init+0x3d8/0x15b0 [20015.865841][ T7704] ip6_route_info_create+0xf18/0x17d0 [20015.865841][ T7704] ip6_route_add+0x1c/0x140 [20015.865841][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20015.865841][ T7704] addrconf_add_dev+0xe2/0x170 [20015.865841][ T7704] inet6_addr_add+0x12f/0xa40 [20015.865841][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20015.865841][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20015.865841][ T7704] netlink_rcv_skb+0x130/0x360 [20015.865841][ T7704] netlink_unicast+0x449/0x710 [20015.865841][ T7704] netlink_sendmsg+0x723/0xbe0 [20015.865841][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20015.865841][ T7704] ___sys_sendmsg+0xee/0x170 [20015.865841][ T7704] __sys_sendmsg+0xcd/0x170 [20015.865841][ T7704] do_syscall_64+0xc6/0x1e0 [20015.865841][ T7704] [20015.868012][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20015.868012][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20015.868012][ T7704] ipv6_find_idev+0x102/0x170 [20015.868012][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20015.868012][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20015.868012][ T7704] netlink_rcv_skb+0x130/0x360 [20015.868012][ T7704] netlink_unicast+0x449/0x710 [20015.868012][ T7704] netlink_sendmsg+0x723/0xbe0 [20015.868012][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20015.868012][ T7704] ___sys_sendmsg+0xee/0x170 [20015.868012][ T7704] __sys_sendmsg+0xcd/0x170 [20015.868012][ T7704] do_syscall_64+0xc6/0x1e0 [20015.868012][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20015.868012][ T7704] [20015.869837][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20015.869837][ T7704] neigh_parms_alloc+0x1e5/0x510 [20015.869837][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20015.869837][ T7704] ipv6_find_idev+0x102/0x170 [20015.869837][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20015.869837][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20015.869837][ T7704] netlink_rcv_skb+0x130/0x360 [20015.869837][ T7704] netlink_unicast+0x449/0x710 [20015.869837][ T7704] netlink_sendmsg+0x723/0xbe0 [20015.869837][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20015.869837][ T7704] ___sys_sendmsg+0xee/0x170 [20015.869837][ T7704] __sys_sendmsg+0xcd/0x170 [20015.869837][ T7704] do_syscall_64+0xc6/0x1e0 [20015.869837][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20015.869837][ T7704] [20026.116875][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20026.117380][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20026.117380][ T7704] netdev_get_by_index+0x5e/0x80 [20026.117380][ T7704] fib6_nh_init+0x3d8/0x15b0 [20026.117380][ T7704] ip6_route_info_create+0xf18/0x17d0 [20026.117380][ T7704] ip6_route_add+0x1c/0x140 [20026.117380][ T7704] addrconf_prefix_route+0x2a6/0x430 [20026.117380][ T7704] inet6_addr_add+0x4f8/0xa40 [20026.117380][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20026.117380][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20026.117380][ T7704] netlink_rcv_skb+0x130/0x360 [20026.117380][ T7704] netlink_unicast+0x449/0x710 [20026.117380][ T7704] netlink_sendmsg+0x723/0xbe0 [20026.117380][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20026.117380][ T7704] ___sys_sendmsg+0xee/0x170 [20026.117380][ T7704] __sys_sendmsg+0xcd/0x170 [20026.117380][ T7704] do_syscall_64+0xc6/0x1e0 [20026.117380][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20026.117380][ T7704] [20026.119624][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20026.119624][ T7704] netdev_get_by_index+0x5e/0x80 [20026.119624][ T7704] fib6_nh_init+0x3d8/0x15b0 [20026.119624][ T7704] ip6_route_info_create+0xf18/0x17d0 [20026.119624][ T7704] addrconf_f6i_alloc+0x315/0x560 [20026.119624][ T7704] ipv6_add_addr+0x411/0x2000 [20026.119624][ T7704] inet6_addr_add+0x30e/0xa40 [20026.119624][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20026.119624][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20026.119624][ T7704] netlink_rcv_skb+0x130/0x360 [20026.119624][ T7704] netlink_unicast+0x449/0x710 [20026.119624][ T7704] netlink_sendmsg+0x723/0xbe0 [20026.119624][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20026.119624][ T7704] ___sys_sendmsg+0xee/0x170 [20026.119624][ T7704] __sys_sendmsg+0xcd/0x170 [20026.119624][ T7704] do_syscall_64+0xc6/0x1e0 [20026.119624][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20026.119624][ T7704] [20026.121828][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20026.121828][ T7704] netdev_get_by_index+0x5e/0x80 [20026.121828][ T7704] fib6_nh_init+0x3d8/0x15b0 [20026.121828][ T7704] ip6_route_info_create+0xf18/0x17d0 [20026.121828][ T7704] ip6_route_add+0x1c/0x140 [20026.121828][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20026.121828][ T7704] addrconf_add_dev+0xe2/0x170 [20026.121828][ T7704] inet6_addr_add+0x12f/0xa40 [20026.121828][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20026.121828][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20026.121828][ T7704] netlink_rcv_skb+0x130/0x360 [20026.121828][ T7704] netlink_unicast+0x449/0x710 [20026.121828][ T7704] netlink_sendmsg+0x723/0xbe0 [20026.121828][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20026.121828][ T7704] ___sys_sendmsg+0xee/0x170 [20026.121828][ T7704] __sys_sendmsg+0xcd/0x170 [20026.121828][ T7704] do_syscall_64+0xc6/0x1e0 [20026.121828][ T7704] [20026.124011][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20026.124011][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20026.124011][ T7704] ipv6_find_idev+0x102/0x170 [20026.124011][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20026.124011][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20026.124011][ T7704] netlink_rcv_skb+0x130/0x360 [20026.124011][ T7704] netlink_unicast+0x449/0x710 [20026.124011][ T7704] netlink_sendmsg+0x723/0xbe0 [20026.124011][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20026.124011][ T7704] ___sys_sendmsg+0xee/0x170 [20026.124011][ T7704] __sys_sendmsg+0xcd/0x170 [20026.124011][ T7704] do_syscall_64+0xc6/0x1e0 [20026.124011][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20026.124011][ T7704] [20026.125709][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20026.125709][ T7704] neigh_parms_alloc+0x1e5/0x510 [20026.125709][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20026.125709][ T7704] ipv6_find_idev+0x102/0x170 [20026.125709][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20026.125709][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20026.125709][ T7704] netlink_rcv_skb+0x130/0x360 [20026.125709][ T7704] netlink_unicast+0x449/0x710 [20026.125709][ T7704] netlink_sendmsg+0x723/0xbe0 [20026.125709][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20026.125709][ T7704] ___sys_sendmsg+0xee/0x170 [20026.125709][ T7704] __sys_sendmsg+0xcd/0x170 [20026.125709][ T7704] do_syscall_64+0xc6/0x1e0 [20026.125709][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20026.125709][ T7704] [20036.380811][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20036.381254][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20036.381254][ T7704] netdev_get_by_index+0x5e/0x80 [20036.381254][ T7704] fib6_nh_init+0x3d8/0x15b0 [20036.381254][ T7704] ip6_route_info_create+0xf18/0x17d0 [20036.381254][ T7704] ip6_route_add+0x1c/0x140 [20036.381254][ T7704] addrconf_prefix_route+0x2a6/0x430 [20036.381254][ T7704] inet6_addr_add+0x4f8/0xa40 [20036.381254][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20036.381254][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20036.381254][ T7704] netlink_rcv_skb+0x130/0x360 [20036.381254][ T7704] netlink_unicast+0x449/0x710 [20036.381254][ T7704] netlink_sendmsg+0x723/0xbe0 [20036.381254][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20036.381254][ T7704] ___sys_sendmsg+0xee/0x170 [20036.381254][ T7704] __sys_sendmsg+0xcd/0x170 [20036.381254][ T7704] do_syscall_64+0xc6/0x1e0 [20036.381254][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20036.381254][ T7704] [20036.383490][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20036.383490][ T7704] netdev_get_by_index+0x5e/0x80 [20036.383490][ T7704] fib6_nh_init+0x3d8/0x15b0 [20036.383490][ T7704] ip6_route_info_create+0xf18/0x17d0 [20036.383490][ T7704] addrconf_f6i_alloc+0x315/0x560 [20036.383490][ T7704] ipv6_add_addr+0x411/0x2000 [20036.383490][ T7704] inet6_addr_add+0x30e/0xa40 [20036.383490][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20036.383490][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20036.383490][ T7704] netlink_rcv_skb+0x130/0x360 [20036.383490][ T7704] netlink_unicast+0x449/0x710 [20036.383490][ T7704] netlink_sendmsg+0x723/0xbe0 [20036.383490][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20036.383490][ T7704] ___sys_sendmsg+0xee/0x170 [20036.383490][ T7704] __sys_sendmsg+0xcd/0x170 [20036.383490][ T7704] do_syscall_64+0xc6/0x1e0 [20036.383490][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20036.383490][ T7704] [20036.385694][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20036.385694][ T7704] netdev_get_by_index+0x5e/0x80 [20036.385694][ T7704] fib6_nh_init+0x3d8/0x15b0 [20036.385694][ T7704] ip6_route_info_create+0xf18/0x17d0 [20036.385694][ T7704] ip6_route_add+0x1c/0x140 [20036.385694][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20036.385694][ T7704] addrconf_add_dev+0xe2/0x170 [20036.385694][ T7704] inet6_addr_add+0x12f/0xa40 [20036.385694][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20036.385694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20036.385694][ T7704] netlink_rcv_skb+0x130/0x360 [20036.385694][ T7704] netlink_unicast+0x449/0x710 [20036.385694][ T7704] netlink_sendmsg+0x723/0xbe0 [20036.385694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20036.385694][ T7704] ___sys_sendmsg+0xee/0x170 [20036.385694][ T7704] __sys_sendmsg+0xcd/0x170 [20036.385694][ T7704] do_syscall_64+0xc6/0x1e0 [20036.385694][ T7704] [20036.387860][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20036.387860][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20036.387860][ T7704] ipv6_find_idev+0x102/0x170 [20036.387860][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20036.387860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20036.387860][ T7704] netlink_rcv_skb+0x130/0x360 [20036.387860][ T7704] netlink_unicast+0x449/0x710 [20036.387860][ T7704] netlink_sendmsg+0x723/0xbe0 [20036.387860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20036.387860][ T7704] ___sys_sendmsg+0xee/0x170 [20036.387860][ T7704] __sys_sendmsg+0xcd/0x170 [20036.387860][ T7704] do_syscall_64+0xc6/0x1e0 [20036.387860][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20036.387860][ T7704] [20036.389565][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20036.389565][ T7704] neigh_parms_alloc+0x1e5/0x510 [20036.389565][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20036.389565][ T7704] ipv6_find_idev+0x102/0x170 [20036.389565][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20036.389565][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20036.389565][ T7704] netlink_rcv_skb+0x130/0x360 [20036.389565][ T7704] netlink_unicast+0x449/0x710 [20036.389565][ T7704] netlink_sendmsg+0x723/0xbe0 [20036.389565][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20036.389565][ T7704] ___sys_sendmsg+0xee/0x170 [20036.389565][ T7704] __sys_sendmsg+0xcd/0x170 [20036.389565][ T7704] do_syscall_64+0xc6/0x1e0 [20036.389565][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20036.389565][ T7704] [20046.636876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20046.637662][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20046.637662][ T7704] netdev_get_by_index+0x5e/0x80 [20046.637662][ T7704] fib6_nh_init+0x3d8/0x15b0 [20046.637662][ T7704] ip6_route_info_create+0xf18/0x17d0 [20046.637662][ T7704] ip6_route_add+0x1c/0x140 [20046.637662][ T7704] addrconf_prefix_route+0x2a6/0x430 [20046.637662][ T7704] inet6_addr_add+0x4f8/0xa40 [20046.637662][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20046.637662][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20046.637662][ T7704] netlink_rcv_skb+0x130/0x360 [20046.637662][ T7704] netlink_unicast+0x449/0x710 [20046.637662][ T7704] netlink_sendmsg+0x723/0xbe0 [20046.637662][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20046.637662][ T7704] ___sys_sendmsg+0xee/0x170 [20046.637662][ T7704] __sys_sendmsg+0xcd/0x170 [20046.637662][ T7704] do_syscall_64+0xc6/0x1e0 [20046.637662][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20046.637662][ T7704] [20046.639913][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20046.639913][ T7704] netdev_get_by_index+0x5e/0x80 [20046.639913][ T7704] fib6_nh_init+0x3d8/0x15b0 [20046.639913][ T7704] ip6_route_info_create+0xf18/0x17d0 [20046.639913][ T7704] addrconf_f6i_alloc+0x315/0x560 [20046.639913][ T7704] ipv6_add_addr+0x411/0x2000 [20046.639913][ T7704] inet6_addr_add+0x30e/0xa40 [20046.639913][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20046.639913][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20046.639913][ T7704] netlink_rcv_skb+0x130/0x360 [20046.639913][ T7704] netlink_unicast+0x449/0x710 [20046.639913][ T7704] netlink_sendmsg+0x723/0xbe0 [20046.639913][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20046.639913][ T7704] ___sys_sendmsg+0xee/0x170 [20046.639913][ T7704] __sys_sendmsg+0xcd/0x170 [20046.639913][ T7704] do_syscall_64+0xc6/0x1e0 [20046.639913][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20046.639913][ T7704] [20046.642127][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20046.642127][ T7704] netdev_get_by_index+0x5e/0x80 [20046.642127][ T7704] fib6_nh_init+0x3d8/0x15b0 [20046.642127][ T7704] ip6_route_info_create+0xf18/0x17d0 [20046.642127][ T7704] ip6_route_add+0x1c/0x140 [20046.642127][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20046.642127][ T7704] addrconf_add_dev+0xe2/0x170 [20046.642127][ T7704] inet6_addr_add+0x12f/0xa40 [20046.642127][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20046.642127][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20046.642127][ T7704] netlink_rcv_skb+0x130/0x360 [20046.642127][ T7704] netlink_unicast+0x449/0x710 [20046.642127][ T7704] netlink_sendmsg+0x723/0xbe0 [20046.642127][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20046.642127][ T7704] ___sys_sendmsg+0xee/0x170 [20046.642127][ T7704] __sys_sendmsg+0xcd/0x170 [20046.642127][ T7704] do_syscall_64+0xc6/0x1e0 [20046.642127][ T7704] [20046.644291][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20046.644291][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20046.644291][ T7704] ipv6_find_idev+0x102/0x170 [20046.644291][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20046.644291][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20046.644291][ T7704] netlink_rcv_skb+0x130/0x360 [20046.644291][ T7704] netlink_unicast+0x449/0x710 [20046.644291][ T7704] netlink_sendmsg+0x723/0xbe0 [20046.644291][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20046.644291][ T7704] ___sys_sendmsg+0xee/0x170 [20046.644291][ T7704] __sys_sendmsg+0xcd/0x170 [20046.644291][ T7704] do_syscall_64+0xc6/0x1e0 [20046.644291][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20046.644291][ T7704] [20046.645989][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20046.645989][ T7704] neigh_parms_alloc+0x1e5/0x510 [20046.645989][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20046.645989][ T7704] ipv6_find_idev+0x102/0x170 [20046.645989][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20046.645989][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20046.645989][ T7704] netlink_rcv_skb+0x130/0x360 [20046.645989][ T7704] netlink_unicast+0x449/0x710 [20046.645989][ T7704] netlink_sendmsg+0x723/0xbe0 [20046.645989][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20046.645989][ T7704] ___sys_sendmsg+0xee/0x170 [20046.645989][ T7704] __sys_sendmsg+0xcd/0x170 [20046.645989][ T7704] do_syscall_64+0xc6/0x1e0 [20046.645989][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20046.645989][ T7704] [20056.724803][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20056.725325][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20056.725325][ T7704] netdev_get_by_index+0x5e/0x80 [20056.725325][ T7704] fib6_nh_init+0x3d8/0x15b0 [20056.725325][ T7704] ip6_route_info_create+0xf18/0x17d0 [20056.725325][ T7704] ip6_route_add+0x1c/0x140 [20056.725325][ T7704] addrconf_prefix_route+0x2a6/0x430 [20056.725325][ T7704] inet6_addr_add+0x4f8/0xa40 [20056.725325][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20056.725325][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20056.725325][ T7704] netlink_rcv_skb+0x130/0x360 [20056.725325][ T7704] netlink_unicast+0x449/0x710 [20056.725325][ T7704] netlink_sendmsg+0x723/0xbe0 [20056.725325][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20056.725325][ T7704] ___sys_sendmsg+0xee/0x170 [20056.725325][ T7704] __sys_sendmsg+0xcd/0x170 [20056.725325][ T7704] do_syscall_64+0xc6/0x1e0 [20056.725325][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20056.725325][ T7704] [20056.728493][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20056.728493][ T7704] netdev_get_by_index+0x5e/0x80 [20056.728493][ T7704] fib6_nh_init+0x3d8/0x15b0 [20056.728493][ T7704] ip6_route_info_create+0xf18/0x17d0 [20056.728493][ T7704] addrconf_f6i_alloc+0x315/0x560 [20056.728493][ T7704] ipv6_add_addr+0x411/0x2000 [20056.728493][ T7704] inet6_addr_add+0x30e/0xa40 [20056.728493][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20056.728493][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20056.728493][ T7704] netlink_rcv_skb+0x130/0x360 [20056.728493][ T7704] netlink_unicast+0x449/0x710 [20056.728493][ T7704] netlink_sendmsg+0x723/0xbe0 [20056.728493][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20056.728493][ T7704] ___sys_sendmsg+0xee/0x170 [20056.728493][ T7704] __sys_sendmsg+0xcd/0x170 [20056.728493][ T7704] do_syscall_64+0xc6/0x1e0 [20056.728493][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20056.728493][ T7704] [20056.730721][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20056.730721][ T7704] netdev_get_by_index+0x5e/0x80 [20056.730721][ T7704] fib6_nh_init+0x3d8/0x15b0 [20056.730721][ T7704] ip6_route_info_create+0xf18/0x17d0 [20056.730721][ T7704] ip6_route_add+0x1c/0x140 [20056.730721][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20056.730721][ T7704] addrconf_add_dev+0xe2/0x170 [20056.730721][ T7704] inet6_addr_add+0x12f/0xa40 [20056.730721][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20056.730721][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20056.730721][ T7704] netlink_rcv_skb+0x130/0x360 [20056.730721][ T7704] netlink_unicast+0x449/0x710 [20056.730721][ T7704] netlink_sendmsg+0x723/0xbe0 [20056.730721][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20056.730721][ T7704] ___sys_sendmsg+0xee/0x170 [20056.730721][ T7704] __sys_sendmsg+0xcd/0x170 [20056.730721][ T7704] do_syscall_64+0xc6/0x1e0 [20056.730721][ T7704] [20056.732896][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20056.732896][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20056.732896][ T7704] ipv6_find_idev+0x102/0x170 [20056.732896][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20056.732896][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20056.732896][ T7704] netlink_rcv_skb+0x130/0x360 [20056.732896][ T7704] netlink_unicast+0x449/0x710 [20056.732896][ T7704] netlink_sendmsg+0x723/0xbe0 [20056.732896][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20056.732896][ T7704] ___sys_sendmsg+0xee/0x170 [20056.732896][ T7704] __sys_sendmsg+0xcd/0x170 [20056.732896][ T7704] do_syscall_64+0xc6/0x1e0 [20056.732896][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20056.732896][ T7704] [20056.734597][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20056.734597][ T7704] neigh_parms_alloc+0x1e5/0x510 [20056.734597][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20056.734597][ T7704] ipv6_find_idev+0x102/0x170 [20056.734597][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20056.734597][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20056.734597][ T7704] netlink_rcv_skb+0x130/0x360 [20056.734597][ T7704] netlink_unicast+0x449/0x710 [20056.734597][ T7704] netlink_sendmsg+0x723/0xbe0 [20056.734597][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20056.734597][ T7704] ___sys_sendmsg+0xee/0x170 [20056.734597][ T7704] __sys_sendmsg+0xcd/0x170 [20056.734597][ T7704] do_syscall_64+0xc6/0x1e0 [20056.734597][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20056.734597][ T7704] [20066.860852][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20066.861352][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20066.861352][ T7704] netdev_get_by_index+0x5e/0x80 [20066.861352][ T7704] fib6_nh_init+0x3d8/0x15b0 [20066.861352][ T7704] ip6_route_info_create+0xf18/0x17d0 [20066.861352][ T7704] ip6_route_add+0x1c/0x140 [20066.861352][ T7704] addrconf_prefix_route+0x2a6/0x430 [20066.861352][ T7704] inet6_addr_add+0x4f8/0xa40 [20066.861352][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20066.861352][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20066.861352][ T7704] netlink_rcv_skb+0x130/0x360 [20066.861352][ T7704] netlink_unicast+0x449/0x710 [20066.861352][ T7704] netlink_sendmsg+0x723/0xbe0 [20066.861352][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20066.861352][ T7704] ___sys_sendmsg+0xee/0x170 [20066.861352][ T7704] __sys_sendmsg+0xcd/0x170 [20066.861352][ T7704] do_syscall_64+0xc6/0x1e0 [20066.861352][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20066.861352][ T7704] [20066.863597][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20066.863597][ T7704] netdev_get_by_index+0x5e/0x80 [20066.863597][ T7704] fib6_nh_init+0x3d8/0x15b0 [20066.863597][ T7704] ip6_route_info_create+0xf18/0x17d0 [20066.863597][ T7704] addrconf_f6i_alloc+0x315/0x560 [20066.863597][ T7704] ipv6_add_addr+0x411/0x2000 [20066.863597][ T7704] inet6_addr_add+0x30e/0xa40 [20066.863597][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20066.863597][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20066.863597][ T7704] netlink_rcv_skb+0x130/0x360 [20066.863597][ T7704] netlink_unicast+0x449/0x710 [20066.863597][ T7704] netlink_sendmsg+0x723/0xbe0 [20066.863597][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20066.863597][ T7704] ___sys_sendmsg+0xee/0x170 [20066.863597][ T7704] __sys_sendmsg+0xcd/0x170 [20066.863597][ T7704] do_syscall_64+0xc6/0x1e0 [20066.863597][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20066.863597][ T7704] [20066.865802][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20066.865802][ T7704] netdev_get_by_index+0x5e/0x80 [20066.865802][ T7704] fib6_nh_init+0x3d8/0x15b0 [20066.865802][ T7704] ip6_route_info_create+0xf18/0x17d0 [20066.865802][ T7704] ip6_route_add+0x1c/0x140 [20066.865802][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20066.865802][ T7704] addrconf_add_dev+0xe2/0x170 [20066.865802][ T7704] inet6_addr_add+0x12f/0xa40 [20066.865802][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20066.865802][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20066.865802][ T7704] netlink_rcv_skb+0x130/0x360 [20066.865802][ T7704] netlink_unicast+0x449/0x710 [20066.865802][ T7704] netlink_sendmsg+0x723/0xbe0 [20066.865802][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20066.865802][ T7704] ___sys_sendmsg+0xee/0x170 [20066.865802][ T7704] __sys_sendmsg+0xcd/0x170 [20066.865802][ T7704] do_syscall_64+0xc6/0x1e0 [20066.865802][ T7704] [20066.867977][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20066.867977][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20066.867977][ T7704] ipv6_find_idev+0x102/0x170 [20066.867977][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20066.867977][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20066.867977][ T7704] netlink_rcv_skb+0x130/0x360 [20066.867977][ T7704] netlink_unicast+0x449/0x710 [20066.867977][ T7704] netlink_sendmsg+0x723/0xbe0 [20066.867977][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20066.867977][ T7704] ___sys_sendmsg+0xee/0x170 [20066.867977][ T7704] __sys_sendmsg+0xcd/0x170 [20066.867977][ T7704] do_syscall_64+0xc6/0x1e0 [20066.867977][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20066.867977][ T7704] [20066.869682][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20066.869682][ T7704] neigh_parms_alloc+0x1e5/0x510 [20066.869682][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20066.869682][ T7704] ipv6_find_idev+0x102/0x170 [20066.869682][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20066.869682][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20066.869682][ T7704] netlink_rcv_skb+0x130/0x360 [20066.869682][ T7704] netlink_unicast+0x449/0x710 [20066.869682][ T7704] netlink_sendmsg+0x723/0xbe0 [20066.869682][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20066.869682][ T7704] ___sys_sendmsg+0xee/0x170 [20066.869682][ T7704] __sys_sendmsg+0xcd/0x170 [20066.869682][ T7704] do_syscall_64+0xc6/0x1e0 [20066.869682][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20066.869682][ T7704] [20077.108813][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20077.109278][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20077.109278][ T7704] netdev_get_by_index+0x5e/0x80 [20077.109278][ T7704] fib6_nh_init+0x3d8/0x15b0 [20077.109278][ T7704] ip6_route_info_create+0xf18/0x17d0 [20077.109278][ T7704] ip6_route_add+0x1c/0x140 [20077.109278][ T7704] addrconf_prefix_route+0x2a6/0x430 [20077.109278][ T7704] inet6_addr_add+0x4f8/0xa40 [20077.109278][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20077.109278][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20077.109278][ T7704] netlink_rcv_skb+0x130/0x360 [20077.109278][ T7704] netlink_unicast+0x449/0x710 [20077.109278][ T7704] netlink_sendmsg+0x723/0xbe0 [20077.109278][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20077.109278][ T7704] ___sys_sendmsg+0xee/0x170 [20077.109278][ T7704] __sys_sendmsg+0xcd/0x170 [20077.109278][ T7704] do_syscall_64+0xc6/0x1e0 [20077.109278][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20077.109278][ T7704] [20077.111501][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20077.111501][ T7704] netdev_get_by_index+0x5e/0x80 [20077.111501][ T7704] fib6_nh_init+0x3d8/0x15b0 [20077.111501][ T7704] ip6_route_info_create+0xf18/0x17d0 [20077.111501][ T7704] addrconf_f6i_alloc+0x315/0x560 [20077.111501][ T7704] ipv6_add_addr+0x411/0x2000 [20077.111501][ T7704] inet6_addr_add+0x30e/0xa40 [20077.111501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20077.111501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20077.111501][ T7704] netlink_rcv_skb+0x130/0x360 [20077.111501][ T7704] netlink_unicast+0x449/0x710 [20077.111501][ T7704] netlink_sendmsg+0x723/0xbe0 [20077.111501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20077.111501][ T7704] ___sys_sendmsg+0xee/0x170 [20077.111501][ T7704] __sys_sendmsg+0xcd/0x170 [20077.111501][ T7704] do_syscall_64+0xc6/0x1e0 [20077.111501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20077.111501][ T7704] [20077.113708][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20077.113708][ T7704] netdev_get_by_index+0x5e/0x80 [20077.113708][ T7704] fib6_nh_init+0x3d8/0x15b0 [20077.113708][ T7704] ip6_route_info_create+0xf18/0x17d0 [20077.113708][ T7704] ip6_route_add+0x1c/0x140 [20077.113708][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20077.113708][ T7704] addrconf_add_dev+0xe2/0x170 [20077.113708][ T7704] inet6_addr_add+0x12f/0xa40 [20077.113708][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20077.113708][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20077.113708][ T7704] netlink_rcv_skb+0x130/0x360 [20077.113708][ T7704] netlink_unicast+0x449/0x710 [20077.113708][ T7704] netlink_sendmsg+0x723/0xbe0 [20077.113708][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20077.113708][ T7704] ___sys_sendmsg+0xee/0x170 [20077.113708][ T7704] __sys_sendmsg+0xcd/0x170 [20077.113708][ T7704] do_syscall_64+0xc6/0x1e0 [20077.113708][ T7704] [20077.115878][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20077.115878][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20077.115878][ T7704] ipv6_find_idev+0x102/0x170 [20077.115878][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20077.115878][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20077.115878][ T7704] netlink_rcv_skb+0x130/0x360 [20077.115878][ T7704] netlink_unicast+0x449/0x710 [20077.115878][ T7704] netlink_sendmsg+0x723/0xbe0 [20077.115878][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20077.115878][ T7704] ___sys_sendmsg+0xee/0x170 [20077.115878][ T7704] __sys_sendmsg+0xcd/0x170 [20077.115878][ T7704] do_syscall_64+0xc6/0x1e0 [20077.115878][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20077.115878][ T7704] [20077.117576][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20077.117576][ T7704] neigh_parms_alloc+0x1e5/0x510 [20077.117576][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20077.117576][ T7704] ipv6_find_idev+0x102/0x170 [20077.117576][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20077.117576][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20077.117576][ T7704] netlink_rcv_skb+0x130/0x360 [20077.117576][ T7704] netlink_unicast+0x449/0x710 [20077.117576][ T7704] netlink_sendmsg+0x723/0xbe0 [20077.117576][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20077.117576][ T7704] ___sys_sendmsg+0xee/0x170 [20077.117576][ T7704] __sys_sendmsg+0xcd/0x170 [20077.117576][ T7704] do_syscall_64+0xc6/0x1e0 [20077.117576][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20077.117576][ T7704] [20087.260876][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20087.262020][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20087.262020][ T7704] netdev_get_by_index+0x5e/0x80 [20087.262020][ T7704] fib6_nh_init+0x3d8/0x15b0 [20087.262020][ T7704] ip6_route_info_create+0xf18/0x17d0 [20087.262020][ T7704] ip6_route_add+0x1c/0x140 [20087.262020][ T7704] addrconf_prefix_route+0x2a6/0x430 [20087.262020][ T7704] inet6_addr_add+0x4f8/0xa40 [20087.262020][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20087.262020][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20087.262020][ T7704] netlink_rcv_skb+0x130/0x360 [20087.262020][ T7704] netlink_unicast+0x449/0x710 [20087.262020][ T7704] netlink_sendmsg+0x723/0xbe0 [20087.262020][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20087.262020][ T7704] ___sys_sendmsg+0xee/0x170 [20087.262020][ T7704] __sys_sendmsg+0xcd/0x170 [20087.262020][ T7704] do_syscall_64+0xc6/0x1e0 [20087.262020][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20087.262020][ T7704] [20087.264270][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20087.264270][ T7704] netdev_get_by_index+0x5e/0x80 [20087.264270][ T7704] fib6_nh_init+0x3d8/0x15b0 [20087.264270][ T7704] ip6_route_info_create+0xf18/0x17d0 [20087.264270][ T7704] addrconf_f6i_alloc+0x315/0x560 [20087.264270][ T7704] ipv6_add_addr+0x411/0x2000 [20087.264270][ T7704] inet6_addr_add+0x30e/0xa40 [20087.264270][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20087.264270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20087.264270][ T7704] netlink_rcv_skb+0x130/0x360 [20087.264270][ T7704] netlink_unicast+0x449/0x710 [20087.264270][ T7704] netlink_sendmsg+0x723/0xbe0 [20087.264270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20087.264270][ T7704] ___sys_sendmsg+0xee/0x170 [20087.264270][ T7704] __sys_sendmsg+0xcd/0x170 [20087.264270][ T7704] do_syscall_64+0xc6/0x1e0 [20087.264270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20087.264270][ T7704] [20087.266503][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20087.266503][ T7704] netdev_get_by_index+0x5e/0x80 [20087.266503][ T7704] fib6_nh_init+0x3d8/0x15b0 [20087.266503][ T7704] ip6_route_info_create+0xf18/0x17d0 [20087.266503][ T7704] ip6_route_add+0x1c/0x140 [20087.266503][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20087.266503][ T7704] addrconf_add_dev+0xe2/0x170 [20087.266503][ T7704] inet6_addr_add+0x12f/0xa40 [20087.266503][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20087.266503][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20087.266503][ T7704] netlink_rcv_skb+0x130/0x360 [20087.266503][ T7704] netlink_unicast+0x449/0x710 [20087.266503][ T7704] netlink_sendmsg+0x723/0xbe0 [20087.266503][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20087.266503][ T7704] ___sys_sendmsg+0xee/0x170 [20087.266503][ T7704] __sys_sendmsg+0xcd/0x170 [20087.266503][ T7704] do_syscall_64+0xc6/0x1e0 [20087.266503][ T7704] [20087.268654][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20087.268654][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20087.268654][ T7704] ipv6_find_idev+0x102/0x170 [20087.268654][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20087.268654][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20087.268654][ T7704] netlink_rcv_skb+0x130/0x360 [20087.268654][ T7704] netlink_unicast+0x449/0x710 [20087.268654][ T7704] netlink_sendmsg+0x723/0xbe0 [20087.268654][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20087.268654][ T7704] ___sys_sendmsg+0xee/0x170 [20087.268654][ T7704] __sys_sendmsg+0xcd/0x170 [20087.268654][ T7704] do_syscall_64+0xc6/0x1e0 [20087.268654][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20087.268654][ T7704] [20087.270503][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20087.270503][ T7704] neigh_parms_alloc+0x1e5/0x510 [20087.270503][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20087.270503][ T7704] ipv6_find_idev+0x102/0x170 [20087.270503][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20087.270503][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20087.270503][ T7704] netlink_rcv_skb+0x130/0x360 [20087.270503][ T7704] netlink_unicast+0x449/0x710 [20087.270503][ T7704] netlink_sendmsg+0x723/0xbe0 [20087.270503][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20087.270503][ T7704] ___sys_sendmsg+0xee/0x170 [20087.270503][ T7704] __sys_sendmsg+0xcd/0x170 [20087.270503][ T7704] do_syscall_64+0xc6/0x1e0 [20087.270503][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20087.270503][ T7704] [20097.508852][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20097.509430][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20097.509430][ T7704] netdev_get_by_index+0x5e/0x80 [20097.509430][ T7704] fib6_nh_init+0x3d8/0x15b0 [20097.509430][ T7704] ip6_route_info_create+0xf18/0x17d0 [20097.509430][ T7704] ip6_route_add+0x1c/0x140 [20097.509430][ T7704] addrconf_prefix_route+0x2a6/0x430 [20097.509430][ T7704] inet6_addr_add+0x4f8/0xa40 [20097.509430][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20097.509430][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20097.509430][ T7704] netlink_rcv_skb+0x130/0x360 [20097.509430][ T7704] netlink_unicast+0x449/0x710 [20097.509430][ T7704] netlink_sendmsg+0x723/0xbe0 [20097.509430][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20097.509430][ T7704] ___sys_sendmsg+0xee/0x170 [20097.509430][ T7704] __sys_sendmsg+0xcd/0x170 [20097.509430][ T7704] do_syscall_64+0xc6/0x1e0 [20097.509430][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20097.509430][ T7704] [20097.511662][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20097.511662][ T7704] netdev_get_by_index+0x5e/0x80 [20097.511662][ T7704] fib6_nh_init+0x3d8/0x15b0 [20097.511662][ T7704] ip6_route_info_create+0xf18/0x17d0 [20097.511662][ T7704] addrconf_f6i_alloc+0x315/0x560 [20097.511662][ T7704] ipv6_add_addr+0x411/0x2000 [20097.511662][ T7704] inet6_addr_add+0x30e/0xa40 [20097.511662][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20097.511662][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20097.511662][ T7704] netlink_rcv_skb+0x130/0x360 [20097.511662][ T7704] netlink_unicast+0x449/0x710 [20097.511662][ T7704] netlink_sendmsg+0x723/0xbe0 [20097.511662][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20097.511662][ T7704] ___sys_sendmsg+0xee/0x170 [20097.511662][ T7704] __sys_sendmsg+0xcd/0x170 [20097.511662][ T7704] do_syscall_64+0xc6/0x1e0 [20097.511662][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20097.511662][ T7704] [20097.513871][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20097.513871][ T7704] netdev_get_by_index+0x5e/0x80 [20097.513871][ T7704] fib6_nh_init+0x3d8/0x15b0 [20097.513871][ T7704] ip6_route_info_create+0xf18/0x17d0 [20097.513871][ T7704] ip6_route_add+0x1c/0x140 [20097.513871][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20097.513871][ T7704] addrconf_add_dev+0xe2/0x170 [20097.513871][ T7704] inet6_addr_add+0x12f/0xa40 [20097.513871][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20097.513871][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20097.513871][ T7704] netlink_rcv_skb+0x130/0x360 [20097.513871][ T7704] netlink_unicast+0x449/0x710 [20097.513871][ T7704] netlink_sendmsg+0x723/0xbe0 [20097.513871][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20097.513871][ T7704] ___sys_sendmsg+0xee/0x170 [20097.513871][ T7704] __sys_sendmsg+0xcd/0x170 [20097.513871][ T7704] do_syscall_64+0xc6/0x1e0 [20097.513871][ T7704] [20097.516056][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20097.516056][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20097.516056][ T7704] ipv6_find_idev+0x102/0x170 [20097.516056][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20097.516056][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20097.516056][ T7704] netlink_rcv_skb+0x130/0x360 [20097.516056][ T7704] netlink_unicast+0x449/0x710 [20097.516056][ T7704] netlink_sendmsg+0x723/0xbe0 [20097.516056][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20097.516056][ T7704] ___sys_sendmsg+0xee/0x170 [20097.516056][ T7704] __sys_sendmsg+0xcd/0x170 [20097.516056][ T7704] do_syscall_64+0xc6/0x1e0 [20097.516056][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20097.516056][ T7704] [20097.517751][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20097.517751][ T7704] neigh_parms_alloc+0x1e5/0x510 [20097.517751][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20097.517751][ T7704] ipv6_find_idev+0x102/0x170 [20097.517751][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20097.517751][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20097.517751][ T7704] netlink_rcv_skb+0x130/0x360 [20097.517751][ T7704] netlink_unicast+0x449/0x710 [20097.517751][ T7704] netlink_sendmsg+0x723/0xbe0 [20097.517751][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20097.517751][ T7704] ___sys_sendmsg+0xee/0x170 [20097.517751][ T7704] __sys_sendmsg+0xcd/0x170 [20097.517751][ T7704] do_syscall_64+0xc6/0x1e0 [20097.517751][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20097.517751][ T7704] [20107.756825][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20107.757338][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20107.757338][ T7704] netdev_get_by_index+0x5e/0x80 [20107.757338][ T7704] fib6_nh_init+0x3d8/0x15b0 [20107.757338][ T7704] ip6_route_info_create+0xf18/0x17d0 [20107.757338][ T7704] ip6_route_add+0x1c/0x140 [20107.757338][ T7704] addrconf_prefix_route+0x2a6/0x430 [20107.757338][ T7704] inet6_addr_add+0x4f8/0xa40 [20107.757338][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20107.757338][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20107.757338][ T7704] netlink_rcv_skb+0x130/0x360 [20107.757338][ T7704] netlink_unicast+0x449/0x710 [20107.757338][ T7704] netlink_sendmsg+0x723/0xbe0 [20107.757338][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20107.757338][ T7704] ___sys_sendmsg+0xee/0x170 [20107.757338][ T7704] __sys_sendmsg+0xcd/0x170 [20107.757338][ T7704] do_syscall_64+0xc6/0x1e0 [20107.757338][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20107.757338][ T7704] [20107.759598][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20107.759598][ T7704] netdev_get_by_index+0x5e/0x80 [20107.759598][ T7704] fib6_nh_init+0x3d8/0x15b0 [20107.759598][ T7704] ip6_route_info_create+0xf18/0x17d0 [20107.759598][ T7704] addrconf_f6i_alloc+0x315/0x560 [20107.759598][ T7704] ipv6_add_addr+0x411/0x2000 [20107.759598][ T7704] inet6_addr_add+0x30e/0xa40 [20107.759598][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20107.759598][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20107.759598][ T7704] netlink_rcv_skb+0x130/0x360 [20107.759598][ T7704] netlink_unicast+0x449/0x710 [20107.759598][ T7704] netlink_sendmsg+0x723/0xbe0 [20107.759598][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20107.759598][ T7704] ___sys_sendmsg+0xee/0x170 [20107.759598][ T7704] __sys_sendmsg+0xcd/0x170 [20107.759598][ T7704] do_syscall_64+0xc6/0x1e0 [20107.759598][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20107.759598][ T7704] [20107.761821][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20107.761821][ T7704] netdev_get_by_index+0x5e/0x80 [20107.761821][ T7704] fib6_nh_init+0x3d8/0x15b0 [20107.761821][ T7704] ip6_route_info_create+0xf18/0x17d0 [20107.761821][ T7704] ip6_route_add+0x1c/0x140 [20107.761821][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20107.761821][ T7704] addrconf_add_dev+0xe2/0x170 [20107.761821][ T7704] inet6_addr_add+0x12f/0xa40 [20107.761821][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20107.761821][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20107.761821][ T7704] netlink_rcv_skb+0x130/0x360 [20107.761821][ T7704] netlink_unicast+0x449/0x710 [20107.761821][ T7704] netlink_sendmsg+0x723/0xbe0 [20107.761821][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20107.761821][ T7704] ___sys_sendmsg+0xee/0x170 [20107.761821][ T7704] __sys_sendmsg+0xcd/0x170 [20107.761821][ T7704] do_syscall_64+0xc6/0x1e0 [20107.761821][ T7704] [20107.764001][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20107.764001][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20107.764001][ T7704] ipv6_find_idev+0x102/0x170 [20107.764001][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20107.764001][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20107.764001][ T7704] netlink_rcv_skb+0x130/0x360 [20107.764001][ T7704] netlink_unicast+0x449/0x710 [20107.764001][ T7704] netlink_sendmsg+0x723/0xbe0 [20107.764001][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20107.764001][ T7704] ___sys_sendmsg+0xee/0x170 [20107.764001][ T7704] __sys_sendmsg+0xcd/0x170 [20107.764001][ T7704] do_syscall_64+0xc6/0x1e0 [20107.764001][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20107.764001][ T7704] [20107.765695][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20107.765695][ T7704] neigh_parms_alloc+0x1e5/0x510 [20107.765695][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20107.765695][ T7704] ipv6_find_idev+0x102/0x170 [20107.765695][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20107.765695][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20107.765695][ T7704] netlink_rcv_skb+0x130/0x360 [20107.765695][ T7704] netlink_unicast+0x449/0x710 [20107.765695][ T7704] netlink_sendmsg+0x723/0xbe0 [20107.765695][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20107.765695][ T7704] ___sys_sendmsg+0xee/0x170 [20107.765695][ T7704] __sys_sendmsg+0xcd/0x170 [20107.765695][ T7704] do_syscall_64+0xc6/0x1e0 [20107.765695][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20107.765695][ T7704] [20118.004746][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20118.005192][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20118.005192][ T7704] netdev_get_by_index+0x5e/0x80 [20118.005192][ T7704] fib6_nh_init+0x3d8/0x15b0 [20118.005192][ T7704] ip6_route_info_create+0xf18/0x17d0 [20118.005192][ T7704] ip6_route_add+0x1c/0x140 [20118.005192][ T7704] addrconf_prefix_route+0x2a6/0x430 [20118.005192][ T7704] inet6_addr_add+0x4f8/0xa40 [20118.005192][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20118.005192][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20118.005192][ T7704] netlink_rcv_skb+0x130/0x360 [20118.005192][ T7704] netlink_unicast+0x449/0x710 [20118.005192][ T7704] netlink_sendmsg+0x723/0xbe0 [20118.005192][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20118.005192][ T7704] ___sys_sendmsg+0xee/0x170 [20118.005192][ T7704] __sys_sendmsg+0xcd/0x170 [20118.005192][ T7704] do_syscall_64+0xc6/0x1e0 [20118.005192][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20118.005192][ T7704] [20118.007441][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20118.007441][ T7704] netdev_get_by_index+0x5e/0x80 [20118.007441][ T7704] fib6_nh_init+0x3d8/0x15b0 [20118.007441][ T7704] ip6_route_info_create+0xf18/0x17d0 [20118.007441][ T7704] addrconf_f6i_alloc+0x315/0x560 [20118.007441][ T7704] ipv6_add_addr+0x411/0x2000 [20118.007441][ T7704] inet6_addr_add+0x30e/0xa40 [20118.007441][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20118.007441][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20118.007441][ T7704] netlink_rcv_skb+0x130/0x360 [20118.007441][ T7704] netlink_unicast+0x449/0x710 [20118.007441][ T7704] netlink_sendmsg+0x723/0xbe0 [20118.007441][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20118.007441][ T7704] ___sys_sendmsg+0xee/0x170 [20118.007441][ T7704] __sys_sendmsg+0xcd/0x170 [20118.007441][ T7704] do_syscall_64+0xc6/0x1e0 [20118.007441][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20118.007441][ T7704] [20118.009680][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20118.009680][ T7704] netdev_get_by_index+0x5e/0x80 [20118.009680][ T7704] fib6_nh_init+0x3d8/0x15b0 [20118.009680][ T7704] ip6_route_info_create+0xf18/0x17d0 [20118.009680][ T7704] ip6_route_add+0x1c/0x140 [20118.009680][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20118.009680][ T7704] addrconf_add_dev+0xe2/0x170 [20118.009680][ T7704] inet6_addr_add+0x12f/0xa40 [20118.009680][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20118.009680][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20118.009680][ T7704] netlink_rcv_skb+0x130/0x360 [20118.009680][ T7704] netlink_unicast+0x449/0x710 [20118.009680][ T7704] netlink_sendmsg+0x723/0xbe0 [20118.009680][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20118.009680][ T7704] ___sys_sendmsg+0xee/0x170 [20118.009680][ T7704] __sys_sendmsg+0xcd/0x170 [20118.009680][ T7704] do_syscall_64+0xc6/0x1e0 [20118.009680][ T7704] [20118.011851][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20118.011851][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20118.011851][ T7704] ipv6_find_idev+0x102/0x170 [20118.011851][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20118.011851][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20118.011851][ T7704] netlink_rcv_skb+0x130/0x360 [20118.011851][ T7704] netlink_unicast+0x449/0x710 [20118.011851][ T7704] netlink_sendmsg+0x723/0xbe0 [20118.011851][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20118.011851][ T7704] ___sys_sendmsg+0xee/0x170 [20118.011851][ T7704] __sys_sendmsg+0xcd/0x170 [20118.011851][ T7704] do_syscall_64+0xc6/0x1e0 [20118.011851][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20118.011851][ T7704] [20118.013542][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20118.013542][ T7704] neigh_parms_alloc+0x1e5/0x510 [20118.013542][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20118.013542][ T7704] ipv6_find_idev+0x102/0x170 [20118.013542][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20118.013542][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20118.013542][ T7704] netlink_rcv_skb+0x130/0x360 [20118.013542][ T7704] netlink_unicast+0x449/0x710 [20118.013542][ T7704] netlink_sendmsg+0x723/0xbe0 [20118.013542][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20118.013542][ T7704] ___sys_sendmsg+0xee/0x170 [20118.013542][ T7704] __sys_sendmsg+0xcd/0x170 [20118.013542][ T7704] do_syscall_64+0xc6/0x1e0 [20118.013542][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20118.013542][ T7704] [20128.252742][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20128.253263][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20128.253263][ T7704] netdev_get_by_index+0x5e/0x80 [20128.253263][ T7704] fib6_nh_init+0x3d8/0x15b0 [20128.253263][ T7704] ip6_route_info_create+0xf18/0x17d0 [20128.253263][ T7704] ip6_route_add+0x1c/0x140 [20128.253263][ T7704] addrconf_prefix_route+0x2a6/0x430 [20128.253263][ T7704] inet6_addr_add+0x4f8/0xa40 [20128.253263][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20128.253263][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20128.253263][ T7704] netlink_rcv_skb+0x130/0x360 [20128.253263][ T7704] netlink_unicast+0x449/0x710 [20128.253263][ T7704] netlink_sendmsg+0x723/0xbe0 [20128.253263][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20128.253263][ T7704] ___sys_sendmsg+0xee/0x170 [20128.253263][ T7704] __sys_sendmsg+0xcd/0x170 [20128.253263][ T7704] do_syscall_64+0xc6/0x1e0 [20128.253263][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20128.253263][ T7704] [20128.255974][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20128.255974][ T7704] netdev_get_by_index+0x5e/0x80 [20128.255974][ T7704] fib6_nh_init+0x3d8/0x15b0 [20128.255974][ T7704] ip6_route_info_create+0xf18/0x17d0 [20128.255974][ T7704] addrconf_f6i_alloc+0x315/0x560 [20128.255974][ T7704] ipv6_add_addr+0x411/0x2000 [20128.255974][ T7704] inet6_addr_add+0x30e/0xa40 [20128.255974][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20128.255974][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20128.255974][ T7704] netlink_rcv_skb+0x130/0x360 [20128.255974][ T7704] netlink_unicast+0x449/0x710 [20128.255974][ T7704] netlink_sendmsg+0x723/0xbe0 [20128.255974][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20128.255974][ T7704] ___sys_sendmsg+0xee/0x170 [20128.255974][ T7704] __sys_sendmsg+0xcd/0x170 [20128.255974][ T7704] do_syscall_64+0xc6/0x1e0 [20128.255974][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20128.255974][ T7704] [20128.258662][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20128.258662][ T7704] netdev_get_by_index+0x5e/0x80 [20128.258662][ T7704] fib6_nh_init+0x3d8/0x15b0 [20128.258662][ T7704] ip6_route_info_create+0xf18/0x17d0 [20128.258662][ T7704] ip6_route_add+0x1c/0x140 [20128.258662][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20128.258662][ T7704] addrconf_add_dev+0xe2/0x170 [20128.258662][ T7704] inet6_addr_add+0x12f/0xa40 [20128.258662][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20128.258662][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20128.258662][ T7704] netlink_rcv_skb+0x130/0x360 [20128.258662][ T7704] netlink_unicast+0x449/0x710 [20128.258662][ T7704] netlink_sendmsg+0x723/0xbe0 [20128.258662][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20128.258662][ T7704] ___sys_sendmsg+0xee/0x170 [20128.258662][ T7704] __sys_sendmsg+0xcd/0x170 [20128.258662][ T7704] do_syscall_64+0xc6/0x1e0 [20128.258662][ T7704] [20128.261318][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20128.261318][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20128.261318][ T7704] ipv6_find_idev+0x102/0x170 [20128.261318][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20128.261318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20128.261318][ T7704] netlink_rcv_skb+0x130/0x360 [20128.261318][ T7704] netlink_unicast+0x449/0x710 [20128.261318][ T7704] netlink_sendmsg+0x723/0xbe0 [20128.261318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20128.261318][ T7704] ___sys_sendmsg+0xee/0x170 [20128.261318][ T7704] __sys_sendmsg+0xcd/0x170 [20128.261318][ T7704] do_syscall_64+0xc6/0x1e0 [20128.261318][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20128.261318][ T7704] [20128.263922][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20128.263922][ T7704] neigh_parms_alloc+0x1e5/0x510 [20128.263922][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20128.263922][ T7704] ipv6_find_idev+0x102/0x170 [20128.263922][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20128.263922][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20128.263922][ T7704] netlink_rcv_skb+0x130/0x360 [20128.263922][ T7704] netlink_unicast+0x449/0x710 [20128.263922][ T7704] netlink_sendmsg+0x723/0xbe0 [20128.263922][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20128.263922][ T7704] ___sys_sendmsg+0xee/0x170 [20128.263922][ T7704] __sys_sendmsg+0xcd/0x170 [20128.263922][ T7704] do_syscall_64+0xc6/0x1e0 [20128.263922][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20128.263922][ T7704] [20138.300912][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20138.301435][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20138.301435][ T7704] netdev_get_by_index+0x5e/0x80 [20138.301435][ T7704] fib6_nh_init+0x3d8/0x15b0 [20138.301435][ T7704] ip6_route_info_create+0xf18/0x17d0 [20138.301435][ T7704] ip6_route_add+0x1c/0x140 [20138.301435][ T7704] addrconf_prefix_route+0x2a6/0x430 [20138.301435][ T7704] inet6_addr_add+0x4f8/0xa40 [20138.301435][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20138.301435][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20138.301435][ T7704] netlink_rcv_skb+0x130/0x360 [20138.301435][ T7704] netlink_unicast+0x449/0x710 [20138.301435][ T7704] netlink_sendmsg+0x723/0xbe0 [20138.301435][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20138.301435][ T7704] ___sys_sendmsg+0xee/0x170 [20138.301435][ T7704] __sys_sendmsg+0xcd/0x170 [20138.301435][ T7704] do_syscall_64+0xc6/0x1e0 [20138.301435][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20138.301435][ T7704] [20138.304171][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20138.304171][ T7704] netdev_get_by_index+0x5e/0x80 [20138.304171][ T7704] fib6_nh_init+0x3d8/0x15b0 [20138.304171][ T7704] ip6_route_info_create+0xf18/0x17d0 [20138.304171][ T7704] addrconf_f6i_alloc+0x315/0x560 [20138.304171][ T7704] ipv6_add_addr+0x411/0x2000 [20138.304171][ T7704] inet6_addr_add+0x30e/0xa40 [20138.304171][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20138.304171][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20138.304171][ T7704] netlink_rcv_skb+0x130/0x360 [20138.304171][ T7704] netlink_unicast+0x449/0x710 [20138.304171][ T7704] netlink_sendmsg+0x723/0xbe0 [20138.304171][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20138.304171][ T7704] ___sys_sendmsg+0xee/0x170 [20138.304171][ T7704] __sys_sendmsg+0xcd/0x170 [20138.304171][ T7704] do_syscall_64+0xc6/0x1e0 [20138.304171][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20138.304171][ T7704] [20138.306864][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20138.306864][ T7704] netdev_get_by_index+0x5e/0x80 [20138.306864][ T7704] fib6_nh_init+0x3d8/0x15b0 [20138.306864][ T7704] ip6_route_info_create+0xf18/0x17d0 [20138.306864][ T7704] ip6_route_add+0x1c/0x140 [20138.306864][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20138.306864][ T7704] addrconf_add_dev+0xe2/0x170 [20138.306864][ T7704] inet6_addr_add+0x12f/0xa40 [20138.306864][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20138.306864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20138.306864][ T7704] netlink_rcv_skb+0x130/0x360 [20138.306864][ T7704] netlink_unicast+0x449/0x710 [20138.306864][ T7704] netlink_sendmsg+0x723/0xbe0 [20138.306864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20138.306864][ T7704] ___sys_sendmsg+0xee/0x170 [20138.306864][ T7704] __sys_sendmsg+0xcd/0x170 [20138.306864][ T7704] do_syscall_64+0xc6/0x1e0 [20138.306864][ T7704] [20138.309530][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20138.309530][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20138.309530][ T7704] ipv6_find_idev+0x102/0x170 [20138.309530][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20138.309530][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20138.309530][ T7704] netlink_rcv_skb+0x130/0x360 [20138.309530][ T7704] netlink_unicast+0x449/0x710 [20138.309530][ T7704] netlink_sendmsg+0x723/0xbe0 [20138.309530][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20138.309530][ T7704] ___sys_sendmsg+0xee/0x170 [20138.309530][ T7704] __sys_sendmsg+0xcd/0x170 [20138.309530][ T7704] do_syscall_64+0xc6/0x1e0 [20138.309530][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20138.309530][ T7704] [20138.311600][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20138.311600][ T7704] neigh_parms_alloc+0x1e5/0x510 [20138.311600][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20138.311600][ T7704] ipv6_find_idev+0x102/0x170 [20138.311600][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20138.311600][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20138.311600][ T7704] netlink_rcv_skb+0x130/0x360 [20138.311600][ T7704] netlink_unicast+0x449/0x710 [20138.311600][ T7704] netlink_sendmsg+0x723/0xbe0 [20138.311600][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20138.311600][ T7704] ___sys_sendmsg+0xee/0x170 [20138.311600][ T7704] __sys_sendmsg+0xcd/0x170 [20138.311600][ T7704] do_syscall_64+0xc6/0x1e0 [20138.311600][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20138.311600][ T7704] [20148.468806][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20148.469336][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20148.469336][ T7704] netdev_get_by_index+0x5e/0x80 [20148.469336][ T7704] fib6_nh_init+0x3d8/0x15b0 [20148.469336][ T7704] ip6_route_info_create+0xf18/0x17d0 [20148.469336][ T7704] ip6_route_add+0x1c/0x140 [20148.469336][ T7704] addrconf_prefix_route+0x2a6/0x430 [20148.469336][ T7704] inet6_addr_add+0x4f8/0xa40 [20148.469336][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20148.469336][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20148.469336][ T7704] netlink_rcv_skb+0x130/0x360 [20148.469336][ T7704] netlink_unicast+0x449/0x710 [20148.469336][ T7704] netlink_sendmsg+0x723/0xbe0 [20148.469336][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20148.469336][ T7704] ___sys_sendmsg+0xee/0x170 [20148.469336][ T7704] __sys_sendmsg+0xcd/0x170 [20148.469336][ T7704] do_syscall_64+0xc6/0x1e0 [20148.469336][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20148.469336][ T7704] [20148.472065][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20148.472065][ T7704] netdev_get_by_index+0x5e/0x80 [20148.472065][ T7704] fib6_nh_init+0x3d8/0x15b0 [20148.472065][ T7704] ip6_route_info_create+0xf18/0x17d0 [20148.472065][ T7704] addrconf_f6i_alloc+0x315/0x560 [20148.472065][ T7704] ipv6_add_addr+0x411/0x2000 [20148.472065][ T7704] inet6_addr_add+0x30e/0xa40 [20148.472065][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20148.472065][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20148.472065][ T7704] netlink_rcv_skb+0x130/0x360 [20148.472065][ T7704] netlink_unicast+0x449/0x710 [20148.472065][ T7704] netlink_sendmsg+0x723/0xbe0 [20148.472065][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20148.472065][ T7704] ___sys_sendmsg+0xee/0x170 [20148.472065][ T7704] __sys_sendmsg+0xcd/0x170 [20148.472065][ T7704] do_syscall_64+0xc6/0x1e0 [20148.472065][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20148.472065][ T7704] [20148.474763][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20148.474763][ T7704] netdev_get_by_index+0x5e/0x80 [20148.474763][ T7704] fib6_nh_init+0x3d8/0x15b0 [20148.474763][ T7704] ip6_route_info_create+0xf18/0x17d0 [20148.474763][ T7704] ip6_route_add+0x1c/0x140 [20148.474763][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20148.474763][ T7704] addrconf_add_dev+0xe2/0x170 [20148.474763][ T7704] inet6_addr_add+0x12f/0xa40 [20148.474763][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20148.474763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20148.474763][ T7704] netlink_rcv_skb+0x130/0x360 [20148.474763][ T7704] netlink_unicast+0x449/0x710 [20148.474763][ T7704] netlink_sendmsg+0x723/0xbe0 [20148.474763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20148.474763][ T7704] ___sys_sendmsg+0xee/0x170 [20148.474763][ T7704] __sys_sendmsg+0xcd/0x170 [20148.474763][ T7704] do_syscall_64+0xc6/0x1e0 [20148.474763][ T7704] [20148.477413][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20148.477413][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20148.477413][ T7704] ipv6_find_idev+0x102/0x170 [20148.477413][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20148.477413][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20148.477413][ T7704] netlink_rcv_skb+0x130/0x360 [20148.477413][ T7704] netlink_unicast+0x449/0x710 [20148.477413][ T7704] netlink_sendmsg+0x723/0xbe0 [20148.477413][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20148.477413][ T7704] ___sys_sendmsg+0xee/0x170 [20148.477413][ T7704] __sys_sendmsg+0xcd/0x170 [20148.477413][ T7704] do_syscall_64+0xc6/0x1e0 [20148.477413][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20148.477413][ T7704] [20148.479511][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20148.479511][ T7704] neigh_parms_alloc+0x1e5/0x510 [20148.479511][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20148.479511][ T7704] ipv6_find_idev+0x102/0x170 [20148.479511][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20148.479511][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20148.479511][ T7704] netlink_rcv_skb+0x130/0x360 [20148.479511][ T7704] netlink_unicast+0x449/0x710 [20148.479511][ T7704] netlink_sendmsg+0x723/0xbe0 [20148.479511][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20148.479511][ T7704] ___sys_sendmsg+0xee/0x170 [20148.479511][ T7704] __sys_sendmsg+0xcd/0x170 [20148.479511][ T7704] do_syscall_64+0xc6/0x1e0 [20148.479511][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20148.479511][ T7704] [20158.724813][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20158.725294][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20158.725294][ T7704] netdev_get_by_index+0x5e/0x80 [20158.725294][ T7704] fib6_nh_init+0x3d8/0x15b0 [20158.725294][ T7704] ip6_route_info_create+0xf18/0x17d0 [20158.725294][ T7704] ip6_route_add+0x1c/0x140 [20158.725294][ T7704] addrconf_prefix_route+0x2a6/0x430 [20158.725294][ T7704] inet6_addr_add+0x4f8/0xa40 [20158.725294][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20158.725294][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20158.725294][ T7704] netlink_rcv_skb+0x130/0x360 [20158.725294][ T7704] netlink_unicast+0x449/0x710 [20158.725294][ T7704] netlink_sendmsg+0x723/0xbe0 [20158.725294][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20158.725294][ T7704] ___sys_sendmsg+0xee/0x170 [20158.725294][ T7704] __sys_sendmsg+0xcd/0x170 [20158.725294][ T7704] do_syscall_64+0xc6/0x1e0 [20158.725294][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20158.725294][ T7704] [20158.727917][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20158.727917][ T7704] netdev_get_by_index+0x5e/0x80 [20158.727917][ T7704] fib6_nh_init+0x3d8/0x15b0 [20158.727917][ T7704] ip6_route_info_create+0xf18/0x17d0 [20158.727917][ T7704] addrconf_f6i_alloc+0x315/0x560 [20158.727917][ T7704] ipv6_add_addr+0x411/0x2000 [20158.727917][ T7704] inet6_addr_add+0x30e/0xa40 [20158.727917][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20158.727917][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20158.727917][ T7704] netlink_rcv_skb+0x130/0x360 [20158.727917][ T7704] netlink_unicast+0x449/0x710 [20158.727917][ T7704] netlink_sendmsg+0x723/0xbe0 [20158.727917][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20158.727917][ T7704] ___sys_sendmsg+0xee/0x170 [20158.727917][ T7704] __sys_sendmsg+0xcd/0x170 [20158.727917][ T7704] do_syscall_64+0xc6/0x1e0 [20158.727917][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20158.727917][ T7704] [20158.730717][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20158.730717][ T7704] netdev_get_by_index+0x5e/0x80 [20158.730717][ T7704] fib6_nh_init+0x3d8/0x15b0 [20158.730717][ T7704] ip6_route_info_create+0xf18/0x17d0 [20158.730717][ T7704] ip6_route_add+0x1c/0x140 [20158.730717][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20158.730717][ T7704] addrconf_add_dev+0xe2/0x170 [20158.730717][ T7704] inet6_addr_add+0x12f/0xa40 [20158.730717][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20158.730717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20158.730717][ T7704] netlink_rcv_skb+0x130/0x360 [20158.730717][ T7704] netlink_unicast+0x449/0x710 [20158.730717][ T7704] netlink_sendmsg+0x723/0xbe0 [20158.730717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20158.730717][ T7704] ___sys_sendmsg+0xee/0x170 [20158.730717][ T7704] __sys_sendmsg+0xcd/0x170 [20158.730717][ T7704] do_syscall_64+0xc6/0x1e0 [20158.730717][ T7704] [20158.733251][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20158.733251][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20158.733251][ T7704] ipv6_find_idev+0x102/0x170 [20158.733251][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20158.733251][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20158.733251][ T7704] netlink_rcv_skb+0x130/0x360 [20158.733251][ T7704] netlink_unicast+0x449/0x710 [20158.733251][ T7704] netlink_sendmsg+0x723/0xbe0 [20158.733251][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20158.733251][ T7704] ___sys_sendmsg+0xee/0x170 [20158.733251][ T7704] __sys_sendmsg+0xcd/0x170 [20158.733251][ T7704] do_syscall_64+0xc6/0x1e0 [20158.733251][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20158.733251][ T7704] [20158.735318][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20158.735318][ T7704] neigh_parms_alloc+0x1e5/0x510 [20158.735318][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20158.735318][ T7704] ipv6_find_idev+0x102/0x170 [20158.735318][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20158.735318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20158.735318][ T7704] netlink_rcv_skb+0x130/0x360 [20158.735318][ T7704] netlink_unicast+0x449/0x710 [20158.735318][ T7704] netlink_sendmsg+0x723/0xbe0 [20158.735318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20158.735318][ T7704] ___sys_sendmsg+0xee/0x170 [20158.735318][ T7704] __sys_sendmsg+0xcd/0x170 [20158.735318][ T7704] do_syscall_64+0xc6/0x1e0 [20158.735318][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20158.735318][ T7704] [20168.972800][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20168.973318][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20168.973318][ T7704] netdev_get_by_index+0x5e/0x80 [20168.973318][ T7704] fib6_nh_init+0x3d8/0x15b0 [20168.973318][ T7704] ip6_route_info_create+0xf18/0x17d0 [20168.973318][ T7704] ip6_route_add+0x1c/0x140 [20168.973318][ T7704] addrconf_prefix_route+0x2a6/0x430 [20168.973318][ T7704] inet6_addr_add+0x4f8/0xa40 [20168.973318][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20168.973318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20168.973318][ T7704] netlink_rcv_skb+0x130/0x360 [20168.973318][ T7704] netlink_unicast+0x449/0x710 [20168.973318][ T7704] netlink_sendmsg+0x723/0xbe0 [20168.973318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20168.973318][ T7704] ___sys_sendmsg+0xee/0x170 [20168.973318][ T7704] __sys_sendmsg+0xcd/0x170 [20168.973318][ T7704] do_syscall_64+0xc6/0x1e0 [20168.973318][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20168.973318][ T7704] [20168.975973][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20168.975973][ T7704] netdev_get_by_index+0x5e/0x80 [20168.975973][ T7704] fib6_nh_init+0x3d8/0x15b0 [20168.975973][ T7704] ip6_route_info_create+0xf18/0x17d0 [20168.975973][ T7704] addrconf_f6i_alloc+0x315/0x560 [20168.975973][ T7704] ipv6_add_addr+0x411/0x2000 [20168.975973][ T7704] inet6_addr_add+0x30e/0xa40 [20168.975973][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20168.975973][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20168.975973][ T7704] netlink_rcv_skb+0x130/0x360 [20168.975973][ T7704] netlink_unicast+0x449/0x710 [20168.975973][ T7704] netlink_sendmsg+0x723/0xbe0 [20168.975973][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20168.975973][ T7704] ___sys_sendmsg+0xee/0x170 [20168.975973][ T7704] __sys_sendmsg+0xcd/0x170 [20168.975973][ T7704] do_syscall_64+0xc6/0x1e0 [20168.975973][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20168.975973][ T7704] [20168.978603][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20168.978603][ T7704] netdev_get_by_index+0x5e/0x80 [20168.978603][ T7704] fib6_nh_init+0x3d8/0x15b0 [20168.978603][ T7704] ip6_route_info_create+0xf18/0x17d0 [20168.978603][ T7704] ip6_route_add+0x1c/0x140 [20168.978603][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20168.978603][ T7704] addrconf_add_dev+0xe2/0x170 [20168.978603][ T7704] inet6_addr_add+0x12f/0xa40 [20168.978603][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20168.978603][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20168.978603][ T7704] netlink_rcv_skb+0x130/0x360 [20168.978603][ T7704] netlink_unicast+0x449/0x710 [20168.978603][ T7704] netlink_sendmsg+0x723/0xbe0 [20168.978603][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20168.978603][ T7704] ___sys_sendmsg+0xee/0x170 [20168.978603][ T7704] __sys_sendmsg+0xcd/0x170 [20168.978603][ T7704] do_syscall_64+0xc6/0x1e0 [20168.978603][ T7704] [20168.981254][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20168.981254][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20168.981254][ T7704] ipv6_find_idev+0x102/0x170 [20168.981254][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20168.981254][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20168.981254][ T7704] netlink_rcv_skb+0x130/0x360 [20168.981254][ T7704] netlink_unicast+0x449/0x710 [20168.981254][ T7704] netlink_sendmsg+0x723/0xbe0 [20168.981254][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20168.981254][ T7704] ___sys_sendmsg+0xee/0x170 [20168.981254][ T7704] __sys_sendmsg+0xcd/0x170 [20168.981254][ T7704] do_syscall_64+0xc6/0x1e0 [20168.981254][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20168.981254][ T7704] [20168.983261][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20168.983261][ T7704] neigh_parms_alloc+0x1e5/0x510 [20168.983261][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20168.983261][ T7704] ipv6_find_idev+0x102/0x170 [20168.983261][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20168.983261][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20168.983261][ T7704] netlink_rcv_skb+0x130/0x360 [20168.983261][ T7704] netlink_unicast+0x449/0x710 [20168.983261][ T7704] netlink_sendmsg+0x723/0xbe0 [20168.983261][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20168.983261][ T7704] ___sys_sendmsg+0xee/0x170 [20168.983261][ T7704] __sys_sendmsg+0xcd/0x170 [20168.983261][ T7704] do_syscall_64+0xc6/0x1e0 [20168.983261][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20168.983261][ T7704] [20179.220886][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20179.221476][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20179.221476][ T7704] netdev_get_by_index+0x5e/0x80 [20179.221476][ T7704] fib6_nh_init+0x3d8/0x15b0 [20179.221476][ T7704] ip6_route_info_create+0xf18/0x17d0 [20179.221476][ T7704] ip6_route_add+0x1c/0x140 [20179.221476][ T7704] addrconf_prefix_route+0x2a6/0x430 [20179.221476][ T7704] inet6_addr_add+0x4f8/0xa40 [20179.221476][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20179.221476][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20179.221476][ T7704] netlink_rcv_skb+0x130/0x360 [20179.221476][ T7704] netlink_unicast+0x449/0x710 [20179.221476][ T7704] netlink_sendmsg+0x723/0xbe0 [20179.221476][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20179.221476][ T7704] ___sys_sendmsg+0xee/0x170 [20179.221476][ T7704] __sys_sendmsg+0xcd/0x170 [20179.221476][ T7704] do_syscall_64+0xc6/0x1e0 [20179.221476][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20179.221476][ T7704] [20179.223720][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20179.223720][ T7704] netdev_get_by_index+0x5e/0x80 [20179.223720][ T7704] fib6_nh_init+0x3d8/0x15b0 [20179.223720][ T7704] ip6_route_info_create+0xf18/0x17d0 [20179.223720][ T7704] addrconf_f6i_alloc+0x315/0x560 [20179.223720][ T7704] ipv6_add_addr+0x411/0x2000 [20179.223720][ T7704] inet6_addr_add+0x30e/0xa40 [20179.223720][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20179.223720][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20179.223720][ T7704] netlink_rcv_skb+0x130/0x360 [20179.223720][ T7704] netlink_unicast+0x449/0x710 [20179.223720][ T7704] netlink_sendmsg+0x723/0xbe0 [20179.223720][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20179.223720][ T7704] ___sys_sendmsg+0xee/0x170 [20179.223720][ T7704] __sys_sendmsg+0xcd/0x170 [20179.223720][ T7704] do_syscall_64+0xc6/0x1e0 [20179.223720][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20179.223720][ T7704] [20179.225961][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20179.225961][ T7704] netdev_get_by_index+0x5e/0x80 [20179.225961][ T7704] fib6_nh_init+0x3d8/0x15b0 [20179.225961][ T7704] ip6_route_info_create+0xf18/0x17d0 [20179.225961][ T7704] ip6_route_add+0x1c/0x140 [20179.225961][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20179.225961][ T7704] addrconf_add_dev+0xe2/0x170 [20179.225961][ T7704] inet6_addr_add+0x12f/0xa40 [20179.225961][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20179.225961][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20179.225961][ T7704] netlink_rcv_skb+0x130/0x360 [20179.225961][ T7704] netlink_unicast+0x449/0x710 [20179.225961][ T7704] netlink_sendmsg+0x723/0xbe0 [20179.225961][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20179.225961][ T7704] ___sys_sendmsg+0xee/0x170 [20179.225961][ T7704] __sys_sendmsg+0xcd/0x170 [20179.225961][ T7704] do_syscall_64+0xc6/0x1e0 [20179.225961][ T7704] [20179.228111][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20179.228111][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20179.228111][ T7704] ipv6_find_idev+0x102/0x170 [20179.228111][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20179.228111][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20179.228111][ T7704] netlink_rcv_skb+0x130/0x360 [20179.228111][ T7704] netlink_unicast+0x449/0x710 [20179.228111][ T7704] netlink_sendmsg+0x723/0xbe0 [20179.228111][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20179.228111][ T7704] ___sys_sendmsg+0xee/0x170 [20179.228111][ T7704] __sys_sendmsg+0xcd/0x170 [20179.228111][ T7704] do_syscall_64+0xc6/0x1e0 [20179.228111][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20179.228111][ T7704] [20179.229846][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20179.229846][ T7704] neigh_parms_alloc+0x1e5/0x510 [20179.229846][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20179.229846][ T7704] ipv6_find_idev+0x102/0x170 [20179.229846][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20179.229846][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20179.229846][ T7704] netlink_rcv_skb+0x130/0x360 [20179.229846][ T7704] netlink_unicast+0x449/0x710 [20179.229846][ T7704] netlink_sendmsg+0x723/0xbe0 [20179.229846][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20179.229846][ T7704] ___sys_sendmsg+0xee/0x170 [20179.229846][ T7704] __sys_sendmsg+0xcd/0x170 [20179.229846][ T7704] do_syscall_64+0xc6/0x1e0 [20179.229846][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20179.229846][ T7704] [20189.284888][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20189.285447][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20189.285447][ T7704] netdev_get_by_index+0x5e/0x80 [20189.285447][ T7704] fib6_nh_init+0x3d8/0x15b0 [20189.285447][ T7704] ip6_route_info_create+0xf18/0x17d0 [20189.285447][ T7704] ip6_route_add+0x1c/0x140 [20189.285447][ T7704] addrconf_prefix_route+0x2a6/0x430 [20189.285447][ T7704] inet6_addr_add+0x4f8/0xa40 [20189.285447][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20189.285447][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20189.285447][ T7704] netlink_rcv_skb+0x130/0x360 [20189.285447][ T7704] netlink_unicast+0x449/0x710 [20189.285447][ T7704] netlink_sendmsg+0x723/0xbe0 [20189.285447][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20189.285447][ T7704] ___sys_sendmsg+0xee/0x170 [20189.285447][ T7704] __sys_sendmsg+0xcd/0x170 [20189.285447][ T7704] do_syscall_64+0xc6/0x1e0 [20189.285447][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20189.285447][ T7704] [20189.287647][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20189.287647][ T7704] netdev_get_by_index+0x5e/0x80 [20189.287647][ T7704] fib6_nh_init+0x3d8/0x15b0 [20189.287647][ T7704] ip6_route_info_create+0xf18/0x17d0 [20189.287647][ T7704] addrconf_f6i_alloc+0x315/0x560 [20189.287647][ T7704] ipv6_add_addr+0x411/0x2000 [20189.287647][ T7704] inet6_addr_add+0x30e/0xa40 [20189.287647][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20189.287647][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20189.287647][ T7704] netlink_rcv_skb+0x130/0x360 [20189.287647][ T7704] netlink_unicast+0x449/0x710 [20189.287647][ T7704] netlink_sendmsg+0x723/0xbe0 [20189.287647][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20189.287647][ T7704] ___sys_sendmsg+0xee/0x170 [20189.287647][ T7704] __sys_sendmsg+0xcd/0x170 [20189.287647][ T7704] do_syscall_64+0xc6/0x1e0 [20189.287647][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20189.287647][ T7704] [20189.289813][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20189.289813][ T7704] netdev_get_by_index+0x5e/0x80 [20189.289813][ T7704] fib6_nh_init+0x3d8/0x15b0 [20189.289813][ T7704] ip6_route_info_create+0xf18/0x17d0 [20189.289813][ T7704] ip6_route_add+0x1c/0x140 [20189.289813][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20189.289813][ T7704] addrconf_add_dev+0xe2/0x170 [20189.289813][ T7704] inet6_addr_add+0x12f/0xa40 [20189.289813][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20189.289813][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20189.289813][ T7704] netlink_rcv_skb+0x130/0x360 [20189.289813][ T7704] netlink_unicast+0x449/0x710 [20189.289813][ T7704] netlink_sendmsg+0x723/0xbe0 [20189.289813][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20189.289813][ T7704] ___sys_sendmsg+0xee/0x170 [20189.289813][ T7704] __sys_sendmsg+0xcd/0x170 [20189.289813][ T7704] do_syscall_64+0xc6/0x1e0 [20189.289813][ T7704] [20189.291924][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20189.291924][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20189.291924][ T7704] ipv6_find_idev+0x102/0x170 [20189.291924][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20189.291924][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20189.291924][ T7704] netlink_rcv_skb+0x130/0x360 [20189.291924][ T7704] netlink_unicast+0x449/0x710 [20189.291924][ T7704] netlink_sendmsg+0x723/0xbe0 [20189.291924][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20189.291924][ T7704] ___sys_sendmsg+0xee/0x170 [20189.291924][ T7704] __sys_sendmsg+0xcd/0x170 [20189.291924][ T7704] do_syscall_64+0xc6/0x1e0 [20189.291924][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20189.291924][ T7704] [20189.294089][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20189.294089][ T7704] neigh_parms_alloc+0x1e5/0x510 [20189.294089][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20189.294089][ T7704] ipv6_find_idev+0x102/0x170 [20189.294089][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20189.294089][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20189.294089][ T7704] netlink_rcv_skb+0x130/0x360 [20189.294089][ T7704] netlink_unicast+0x449/0x710 [20189.294089][ T7704] netlink_sendmsg+0x723/0xbe0 [20189.294089][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20189.294089][ T7704] ___sys_sendmsg+0xee/0x170 [20189.294089][ T7704] __sys_sendmsg+0xcd/0x170 [20189.294089][ T7704] do_syscall_64+0xc6/0x1e0 [20189.294089][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20189.294089][ T7704] [20199.356882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20199.357494][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20199.357494][ T7704] netdev_get_by_index+0x5e/0x80 [20199.357494][ T7704] fib6_nh_init+0x3d8/0x15b0 [20199.357494][ T7704] ip6_route_info_create+0xf18/0x17d0 [20199.357494][ T7704] ip6_route_add+0x1c/0x140 [20199.357494][ T7704] addrconf_prefix_route+0x2a6/0x430 [20199.357494][ T7704] inet6_addr_add+0x4f8/0xa40 [20199.357494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20199.357494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20199.357494][ T7704] netlink_rcv_skb+0x130/0x360 [20199.357494][ T7704] netlink_unicast+0x449/0x710 [20199.357494][ T7704] netlink_sendmsg+0x723/0xbe0 [20199.357494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20199.357494][ T7704] ___sys_sendmsg+0xee/0x170 [20199.357494][ T7704] __sys_sendmsg+0xcd/0x170 [20199.357494][ T7704] do_syscall_64+0xc6/0x1e0 [20199.357494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20199.357494][ T7704] [20199.359770][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20199.359770][ T7704] netdev_get_by_index+0x5e/0x80 [20199.359770][ T7704] fib6_nh_init+0x3d8/0x15b0 [20199.359770][ T7704] ip6_route_info_create+0xf18/0x17d0 [20199.359770][ T7704] addrconf_f6i_alloc+0x315/0x560 [20199.359770][ T7704] ipv6_add_addr+0x411/0x2000 [20199.359770][ T7704] inet6_addr_add+0x30e/0xa40 [20199.359770][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20199.359770][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20199.359770][ T7704] netlink_rcv_skb+0x130/0x360 [20199.359770][ T7704] netlink_unicast+0x449/0x710 [20199.359770][ T7704] netlink_sendmsg+0x723/0xbe0 [20199.359770][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20199.359770][ T7704] ___sys_sendmsg+0xee/0x170 [20199.359770][ T7704] __sys_sendmsg+0xcd/0x170 [20199.359770][ T7704] do_syscall_64+0xc6/0x1e0 [20199.359770][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20199.359770][ T7704] [20199.361963][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20199.361963][ T7704] netdev_get_by_index+0x5e/0x80 [20199.361963][ T7704] fib6_nh_init+0x3d8/0x15b0 [20199.361963][ T7704] ip6_route_info_create+0xf18/0x17d0 [20199.361963][ T7704] ip6_route_add+0x1c/0x140 [20199.361963][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20199.361963][ T7704] addrconf_add_dev+0xe2/0x170 [20199.361963][ T7704] inet6_addr_add+0x12f/0xa40 [20199.361963][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20199.361963][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20199.361963][ T7704] netlink_rcv_skb+0x130/0x360 [20199.361963][ T7704] netlink_unicast+0x449/0x710 [20199.361963][ T7704] netlink_sendmsg+0x723/0xbe0 [20199.361963][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20199.361963][ T7704] ___sys_sendmsg+0xee/0x170 [20199.361963][ T7704] __sys_sendmsg+0xcd/0x170 [20199.361963][ T7704] do_syscall_64+0xc6/0x1e0 [20199.361963][ T7704] [20199.364143][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20199.364143][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20199.364143][ T7704] ipv6_find_idev+0x102/0x170 [20199.364143][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20199.364143][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20199.364143][ T7704] netlink_rcv_skb+0x130/0x360 [20199.364143][ T7704] netlink_unicast+0x449/0x710 [20199.364143][ T7704] netlink_sendmsg+0x723/0xbe0 [20199.364143][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20199.364143][ T7704] ___sys_sendmsg+0xee/0x170 [20199.364143][ T7704] __sys_sendmsg+0xcd/0x170 [20199.364143][ T7704] do_syscall_64+0xc6/0x1e0 [20199.364143][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20199.364143][ T7704] [20199.365862][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20199.365862][ T7704] neigh_parms_alloc+0x1e5/0x510 [20199.365862][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20199.365862][ T7704] ipv6_find_idev+0x102/0x170 [20199.365862][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20199.365862][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20199.365862][ T7704] netlink_rcv_skb+0x130/0x360 [20199.365862][ T7704] netlink_unicast+0x449/0x710 [20199.365862][ T7704] netlink_sendmsg+0x723/0xbe0 [20199.365862][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20199.365862][ T7704] ___sys_sendmsg+0xee/0x170 [20199.365862][ T7704] __sys_sendmsg+0xcd/0x170 [20199.365862][ T7704] do_syscall_64+0xc6/0x1e0 [20199.365862][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20199.365862][ T7704] [20209.476880][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20209.477437][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20209.477437][ T7704] netdev_get_by_index+0x5e/0x80 [20209.477437][ T7704] fib6_nh_init+0x3d8/0x15b0 [20209.477437][ T7704] ip6_route_info_create+0xf18/0x17d0 [20209.477437][ T7704] ip6_route_add+0x1c/0x140 [20209.477437][ T7704] addrconf_prefix_route+0x2a6/0x430 [20209.477437][ T7704] inet6_addr_add+0x4f8/0xa40 [20209.477437][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20209.477437][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20209.477437][ T7704] netlink_rcv_skb+0x130/0x360 [20209.477437][ T7704] netlink_unicast+0x449/0x710 [20209.477437][ T7704] netlink_sendmsg+0x723/0xbe0 [20209.477437][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20209.477437][ T7704] ___sys_sendmsg+0xee/0x170 [20209.477437][ T7704] __sys_sendmsg+0xcd/0x170 [20209.477437][ T7704] do_syscall_64+0xc6/0x1e0 [20209.477437][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20209.477437][ T7704] [20209.479713][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20209.479713][ T7704] netdev_get_by_index+0x5e/0x80 [20209.479713][ T7704] fib6_nh_init+0x3d8/0x15b0 [20209.479713][ T7704] ip6_route_info_create+0xf18/0x17d0 [20209.479713][ T7704] addrconf_f6i_alloc+0x315/0x560 [20209.479713][ T7704] ipv6_add_addr+0x411/0x2000 [20209.479713][ T7704] inet6_addr_add+0x30e/0xa40 [20209.479713][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20209.479713][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20209.479713][ T7704] netlink_rcv_skb+0x130/0x360 [20209.479713][ T7704] netlink_unicast+0x449/0x710 [20209.479713][ T7704] netlink_sendmsg+0x723/0xbe0 [20209.479713][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20209.479713][ T7704] ___sys_sendmsg+0xee/0x170 [20209.479713][ T7704] __sys_sendmsg+0xcd/0x170 [20209.479713][ T7704] do_syscall_64+0xc6/0x1e0 [20209.479713][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20209.479713][ T7704] [20209.481894][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20209.481894][ T7704] netdev_get_by_index+0x5e/0x80 [20209.481894][ T7704] fib6_nh_init+0x3d8/0x15b0 [20209.481894][ T7704] ip6_route_info_create+0xf18/0x17d0 [20209.481894][ T7704] ip6_route_add+0x1c/0x140 [20209.481894][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20209.481894][ T7704] addrconf_add_dev+0xe2/0x170 [20209.481894][ T7704] inet6_addr_add+0x12f/0xa40 [20209.481894][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20209.481894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20209.481894][ T7704] netlink_rcv_skb+0x130/0x360 [20209.481894][ T7704] netlink_unicast+0x449/0x710 [20209.481894][ T7704] netlink_sendmsg+0x723/0xbe0 [20209.481894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20209.481894][ T7704] ___sys_sendmsg+0xee/0x170 [20209.481894][ T7704] __sys_sendmsg+0xcd/0x170 [20209.481894][ T7704] do_syscall_64+0xc6/0x1e0 [20209.481894][ T7704] [20209.484025][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20209.484025][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20209.484025][ T7704] ipv6_find_idev+0x102/0x170 [20209.484025][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20209.484025][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20209.484025][ T7704] netlink_rcv_skb+0x130/0x360 [20209.484025][ T7704] netlink_unicast+0x449/0x710 [20209.484025][ T7704] netlink_sendmsg+0x723/0xbe0 [20209.484025][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20209.484025][ T7704] ___sys_sendmsg+0xee/0x170 [20209.484025][ T7704] __sys_sendmsg+0xcd/0x170 [20209.484025][ T7704] do_syscall_64+0xc6/0x1e0 [20209.484025][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20209.484025][ T7704] [20209.485747][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20209.485747][ T7704] neigh_parms_alloc+0x1e5/0x510 [20209.485747][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20209.485747][ T7704] ipv6_find_idev+0x102/0x170 [20209.485747][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20209.485747][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20209.485747][ T7704] netlink_rcv_skb+0x130/0x360 [20209.485747][ T7704] netlink_unicast+0x449/0x710 [20209.485747][ T7704] netlink_sendmsg+0x723/0xbe0 [20209.485747][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20209.485747][ T7704] ___sys_sendmsg+0xee/0x170 [20209.485747][ T7704] __sys_sendmsg+0xcd/0x170 [20209.485747][ T7704] do_syscall_64+0xc6/0x1e0 [20209.485747][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20209.485747][ T7704] [20219.724879][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20219.725431][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20219.725431][ T7704] netdev_get_by_index+0x5e/0x80 [20219.725431][ T7704] fib6_nh_init+0x3d8/0x15b0 [20219.725431][ T7704] ip6_route_info_create+0xf18/0x17d0 [20219.725431][ T7704] ip6_route_add+0x1c/0x140 [20219.725431][ T7704] addrconf_prefix_route+0x2a6/0x430 [20219.725431][ T7704] inet6_addr_add+0x4f8/0xa40 [20219.725431][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20219.725431][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20219.725431][ T7704] netlink_rcv_skb+0x130/0x360 [20219.725431][ T7704] netlink_unicast+0x449/0x710 [20219.725431][ T7704] netlink_sendmsg+0x723/0xbe0 [20219.725431][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20219.725431][ T7704] ___sys_sendmsg+0xee/0x170 [20219.725431][ T7704] __sys_sendmsg+0xcd/0x170 [20219.725431][ T7704] do_syscall_64+0xc6/0x1e0 [20219.725431][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20219.725431][ T7704] [20219.727689][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20219.727689][ T7704] netdev_get_by_index+0x5e/0x80 [20219.727689][ T7704] fib6_nh_init+0x3d8/0x15b0 [20219.727689][ T7704] ip6_route_info_create+0xf18/0x17d0 [20219.727689][ T7704] addrconf_f6i_alloc+0x315/0x560 [20219.727689][ T7704] ipv6_add_addr+0x411/0x2000 [20219.727689][ T7704] inet6_addr_add+0x30e/0xa40 [20219.727689][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20219.727689][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20219.727689][ T7704] netlink_rcv_skb+0x130/0x360 [20219.727689][ T7704] netlink_unicast+0x449/0x710 [20219.727689][ T7704] netlink_sendmsg+0x723/0xbe0 [20219.727689][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20219.727689][ T7704] ___sys_sendmsg+0xee/0x170 [20219.727689][ T7704] __sys_sendmsg+0xcd/0x170 [20219.727689][ T7704] do_syscall_64+0xc6/0x1e0 [20219.727689][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20219.727689][ T7704] [20219.729923][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20219.729923][ T7704] netdev_get_by_index+0x5e/0x80 [20219.729923][ T7704] fib6_nh_init+0x3d8/0x15b0 [20219.729923][ T7704] ip6_route_info_create+0xf18/0x17d0 [20219.729923][ T7704] ip6_route_add+0x1c/0x140 [20219.729923][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20219.729923][ T7704] addrconf_add_dev+0xe2/0x170 [20219.729923][ T7704] inet6_addr_add+0x12f/0xa40 [20219.729923][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20219.729923][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20219.729923][ T7704] netlink_rcv_skb+0x130/0x360 [20219.729923][ T7704] netlink_unicast+0x449/0x710 [20219.729923][ T7704] netlink_sendmsg+0x723/0xbe0 [20219.729923][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20219.729923][ T7704] ___sys_sendmsg+0xee/0x170 [20219.729923][ T7704] __sys_sendmsg+0xcd/0x170 [20219.729923][ T7704] do_syscall_64+0xc6/0x1e0 [20219.729923][ T7704] [20219.732068][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20219.732068][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20219.732068][ T7704] ipv6_find_idev+0x102/0x170 [20219.732068][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20219.732068][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20219.732068][ T7704] netlink_rcv_skb+0x130/0x360 [20219.732068][ T7704] netlink_unicast+0x449/0x710 [20219.732068][ T7704] netlink_sendmsg+0x723/0xbe0 [20219.732068][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20219.732068][ T7704] ___sys_sendmsg+0xee/0x170 [20219.732068][ T7704] __sys_sendmsg+0xcd/0x170 [20219.732068][ T7704] do_syscall_64+0xc6/0x1e0 [20219.732068][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20219.732068][ T7704] [20219.733767][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20219.733767][ T7704] neigh_parms_alloc+0x1e5/0x510 [20219.733767][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20219.733767][ T7704] ipv6_find_idev+0x102/0x170 [20219.733767][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20219.733767][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20219.733767][ T7704] netlink_rcv_skb+0x130/0x360 [20219.733767][ T7704] netlink_unicast+0x449/0x710 [20219.733767][ T7704] netlink_sendmsg+0x723/0xbe0 [20219.733767][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20219.733767][ T7704] ___sys_sendmsg+0xee/0x170 [20219.733767][ T7704] __sys_sendmsg+0xcd/0x170 [20219.733767][ T7704] do_syscall_64+0xc6/0x1e0 [20219.733767][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20219.733767][ T7704] [20229.972869][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20229.973327][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20229.973327][ T7704] netdev_get_by_index+0x5e/0x80 [20229.973327][ T7704] fib6_nh_init+0x3d8/0x15b0 [20229.973327][ T7704] ip6_route_info_create+0xf18/0x17d0 [20229.973327][ T7704] ip6_route_add+0x1c/0x140 [20229.973327][ T7704] addrconf_prefix_route+0x2a6/0x430 [20229.973327][ T7704] inet6_addr_add+0x4f8/0xa40 [20229.973327][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20229.973327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20229.973327][ T7704] netlink_rcv_skb+0x130/0x360 [20229.973327][ T7704] netlink_unicast+0x449/0x710 [20229.973327][ T7704] netlink_sendmsg+0x723/0xbe0 [20229.973327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20229.973327][ T7704] ___sys_sendmsg+0xee/0x170 [20229.973327][ T7704] __sys_sendmsg+0xcd/0x170 [20229.973327][ T7704] do_syscall_64+0xc6/0x1e0 [20229.973327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20229.973327][ T7704] [20229.975543][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20229.975543][ T7704] netdev_get_by_index+0x5e/0x80 [20229.975543][ T7704] fib6_nh_init+0x3d8/0x15b0 [20229.975543][ T7704] ip6_route_info_create+0xf18/0x17d0 [20229.975543][ T7704] addrconf_f6i_alloc+0x315/0x560 [20229.975543][ T7704] ipv6_add_addr+0x411/0x2000 [20229.975543][ T7704] inet6_addr_add+0x30e/0xa40 [20229.975543][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20229.975543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20229.975543][ T7704] netlink_rcv_skb+0x130/0x360 [20229.975543][ T7704] netlink_unicast+0x449/0x710 [20229.975543][ T7704] netlink_sendmsg+0x723/0xbe0 [20229.975543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20229.975543][ T7704] ___sys_sendmsg+0xee/0x170 [20229.975543][ T7704] __sys_sendmsg+0xcd/0x170 [20229.975543][ T7704] do_syscall_64+0xc6/0x1e0 [20229.975543][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20229.975543][ T7704] [20229.977734][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20229.977734][ T7704] netdev_get_by_index+0x5e/0x80 [20229.977734][ T7704] fib6_nh_init+0x3d8/0x15b0 [20229.977734][ T7704] ip6_route_info_create+0xf18/0x17d0 [20229.977734][ T7704] ip6_route_add+0x1c/0x140 [20229.977734][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20229.977734][ T7704] addrconf_add_dev+0xe2/0x170 [20229.977734][ T7704] inet6_addr_add+0x12f/0xa40 [20229.977734][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20229.977734][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20229.977734][ T7704] netlink_rcv_skb+0x130/0x360 [20229.977734][ T7704] netlink_unicast+0x449/0x710 [20229.977734][ T7704] netlink_sendmsg+0x723/0xbe0 [20229.977734][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20229.977734][ T7704] ___sys_sendmsg+0xee/0x170 [20229.977734][ T7704] __sys_sendmsg+0xcd/0x170 [20229.977734][ T7704] do_syscall_64+0xc6/0x1e0 [20229.977734][ T7704] [20229.979934][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20229.979934][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20229.979934][ T7704] ipv6_find_idev+0x102/0x170 [20229.979934][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20229.979934][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20229.979934][ T7704] netlink_rcv_skb+0x130/0x360 [20229.979934][ T7704] netlink_unicast+0x449/0x710 [20229.979934][ T7704] netlink_sendmsg+0x723/0xbe0 [20229.979934][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20229.979934][ T7704] ___sys_sendmsg+0xee/0x170 [20229.979934][ T7704] __sys_sendmsg+0xcd/0x170 [20229.979934][ T7704] do_syscall_64+0xc6/0x1e0 [20229.979934][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20229.979934][ T7704] [20229.981649][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20229.981649][ T7704] neigh_parms_alloc+0x1e5/0x510 [20229.981649][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20229.981649][ T7704] ipv6_find_idev+0x102/0x170 [20229.981649][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20229.981649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20229.981649][ T7704] netlink_rcv_skb+0x130/0x360 [20229.981649][ T7704] netlink_unicast+0x449/0x710 [20229.981649][ T7704] netlink_sendmsg+0x723/0xbe0 [20229.981649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20229.981649][ T7704] ___sys_sendmsg+0xee/0x170 [20229.981649][ T7704] __sys_sendmsg+0xcd/0x170 [20229.981649][ T7704] do_syscall_64+0xc6/0x1e0 [20229.981649][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20229.981649][ T7704] [20240.220877][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20240.221366][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20240.221366][ T7704] netdev_get_by_index+0x5e/0x80 [20240.221366][ T7704] fib6_nh_init+0x3d8/0x15b0 [20240.221366][ T7704] ip6_route_info_create+0xf18/0x17d0 [20240.221366][ T7704] ip6_route_add+0x1c/0x140 [20240.221366][ T7704] addrconf_prefix_route+0x2a6/0x430 [20240.221366][ T7704] inet6_addr_add+0x4f8/0xa40 [20240.221366][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20240.221366][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20240.221366][ T7704] netlink_rcv_skb+0x130/0x360 [20240.221366][ T7704] netlink_unicast+0x449/0x710 [20240.221366][ T7704] netlink_sendmsg+0x723/0xbe0 [20240.221366][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20240.221366][ T7704] ___sys_sendmsg+0xee/0x170 [20240.221366][ T7704] __sys_sendmsg+0xcd/0x170 [20240.221366][ T7704] do_syscall_64+0xc6/0x1e0 [20240.221366][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20240.221366][ T7704] [20240.223543][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20240.223543][ T7704] netdev_get_by_index+0x5e/0x80 [20240.223543][ T7704] fib6_nh_init+0x3d8/0x15b0 [20240.223543][ T7704] ip6_route_info_create+0xf18/0x17d0 [20240.223543][ T7704] addrconf_f6i_alloc+0x315/0x560 [20240.223543][ T7704] ipv6_add_addr+0x411/0x2000 [20240.223543][ T7704] inet6_addr_add+0x30e/0xa40 [20240.223543][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20240.223543][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20240.223543][ T7704] netlink_rcv_skb+0x130/0x360 [20240.223543][ T7704] netlink_unicast+0x449/0x710 [20240.223543][ T7704] netlink_sendmsg+0x723/0xbe0 [20240.223543][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20240.223543][ T7704] ___sys_sendmsg+0xee/0x170 [20240.223543][ T7704] __sys_sendmsg+0xcd/0x170 [20240.223543][ T7704] do_syscall_64+0xc6/0x1e0 [20240.223543][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20240.223543][ T7704] [20240.225761][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20240.225761][ T7704] netdev_get_by_index+0x5e/0x80 [20240.225761][ T7704] fib6_nh_init+0x3d8/0x15b0 [20240.225761][ T7704] ip6_route_info_create+0xf18/0x17d0 [20240.225761][ T7704] ip6_route_add+0x1c/0x140 [20240.225761][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20240.225761][ T7704] addrconf_add_dev+0xe2/0x170 [20240.225761][ T7704] inet6_addr_add+0x12f/0xa40 [20240.225761][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20240.225761][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20240.225761][ T7704] netlink_rcv_skb+0x130/0x360 [20240.225761][ T7704] netlink_unicast+0x449/0x710 [20240.225761][ T7704] netlink_sendmsg+0x723/0xbe0 [20240.225761][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20240.225761][ T7704] ___sys_sendmsg+0xee/0x170 [20240.225761][ T7704] __sys_sendmsg+0xcd/0x170 [20240.225761][ T7704] do_syscall_64+0xc6/0x1e0 [20240.225761][ T7704] [20240.227880][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20240.227880][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20240.227880][ T7704] ipv6_find_idev+0x102/0x170 [20240.227880][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20240.227880][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20240.227880][ T7704] netlink_rcv_skb+0x130/0x360 [20240.227880][ T7704] netlink_unicast+0x449/0x710 [20240.227880][ T7704] netlink_sendmsg+0x723/0xbe0 [20240.227880][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20240.227880][ T7704] ___sys_sendmsg+0xee/0x170 [20240.227880][ T7704] __sys_sendmsg+0xcd/0x170 [20240.227880][ T7704] do_syscall_64+0xc6/0x1e0 [20240.227880][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20240.227880][ T7704] [20240.229556][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20240.229556][ T7704] neigh_parms_alloc+0x1e5/0x510 [20240.229556][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20240.229556][ T7704] ipv6_find_idev+0x102/0x170 [20240.229556][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20240.229556][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20240.229556][ T7704] netlink_rcv_skb+0x130/0x360 [20240.229556][ T7704] netlink_unicast+0x449/0x710 [20240.229556][ T7704] netlink_sendmsg+0x723/0xbe0 [20240.229556][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20240.229556][ T7704] ___sys_sendmsg+0xee/0x170 [20240.229556][ T7704] __sys_sendmsg+0xcd/0x170 [20240.229556][ T7704] do_syscall_64+0xc6/0x1e0 [20240.229556][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20240.229556][ T7704] [20250.468910][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20250.469501][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20250.469501][ T7704] netdev_get_by_index+0x5e/0x80 [20250.469501][ T7704] fib6_nh_init+0x3d8/0x15b0 [20250.469501][ T7704] ip6_route_info_create+0xf18/0x17d0 [20250.469501][ T7704] ip6_route_add+0x1c/0x140 [20250.469501][ T7704] addrconf_prefix_route+0x2a6/0x430 [20250.469501][ T7704] inet6_addr_add+0x4f8/0xa40 [20250.469501][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20250.469501][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20250.469501][ T7704] netlink_rcv_skb+0x130/0x360 [20250.469501][ T7704] netlink_unicast+0x449/0x710 [20250.469501][ T7704] netlink_sendmsg+0x723/0xbe0 [20250.469501][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20250.469501][ T7704] ___sys_sendmsg+0xee/0x170 [20250.469501][ T7704] __sys_sendmsg+0xcd/0x170 [20250.469501][ T7704] do_syscall_64+0xc6/0x1e0 [20250.469501][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20250.469501][ T7704] [20250.471649][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20250.471649][ T7704] netdev_get_by_index+0x5e/0x80 [20250.471649][ T7704] fib6_nh_init+0x3d8/0x15b0 [20250.471649][ T7704] ip6_route_info_create+0xf18/0x17d0 [20250.471649][ T7704] addrconf_f6i_alloc+0x315/0x560 [20250.471649][ T7704] ipv6_add_addr+0x411/0x2000 [20250.471649][ T7704] inet6_addr_add+0x30e/0xa40 [20250.471649][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20250.471649][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20250.471649][ T7704] netlink_rcv_skb+0x130/0x360 [20250.471649][ T7704] netlink_unicast+0x449/0x710 [20250.471649][ T7704] netlink_sendmsg+0x723/0xbe0 [20250.471649][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20250.471649][ T7704] ___sys_sendmsg+0xee/0x170 [20250.471649][ T7704] __sys_sendmsg+0xcd/0x170 [20250.471649][ T7704] do_syscall_64+0xc6/0x1e0 [20250.471649][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20250.471649][ T7704] [20250.473753][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20250.473753][ T7704] netdev_get_by_index+0x5e/0x80 [20250.473753][ T7704] fib6_nh_init+0x3d8/0x15b0 [20250.473753][ T7704] ip6_route_info_create+0xf18/0x17d0 [20250.473753][ T7704] ip6_route_add+0x1c/0x140 [20250.473753][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20250.473753][ T7704] addrconf_add_dev+0xe2/0x170 [20250.473753][ T7704] inet6_addr_add+0x12f/0xa40 [20250.473753][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20250.473753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20250.473753][ T7704] netlink_rcv_skb+0x130/0x360 [20250.473753][ T7704] netlink_unicast+0x449/0x710 [20250.473753][ T7704] netlink_sendmsg+0x723/0xbe0 [20250.473753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20250.473753][ T7704] ___sys_sendmsg+0xee/0x170 [20250.473753][ T7704] __sys_sendmsg+0xcd/0x170 [20250.473753][ T7704] do_syscall_64+0xc6/0x1e0 [20250.473753][ T7704] [20250.476327][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20250.476327][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20250.476327][ T7704] ipv6_find_idev+0x102/0x170 [20250.476327][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20250.476327][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20250.476327][ T7704] netlink_rcv_skb+0x130/0x360 [20250.476327][ T7704] netlink_unicast+0x449/0x710 [20250.476327][ T7704] netlink_sendmsg+0x723/0xbe0 [20250.476327][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20250.476327][ T7704] ___sys_sendmsg+0xee/0x170 [20250.476327][ T7704] __sys_sendmsg+0xcd/0x170 [20250.476327][ T7704] do_syscall_64+0xc6/0x1e0 [20250.476327][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20250.476327][ T7704] [20250.477937][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20250.477937][ T7704] neigh_parms_alloc+0x1e5/0x510 [20250.477937][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20250.477937][ T7704] ipv6_find_idev+0x102/0x170 [20250.477937][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20250.477937][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20250.477937][ T7704] netlink_rcv_skb+0x130/0x360 [20250.477937][ T7704] netlink_unicast+0x449/0x710 [20250.477937][ T7704] netlink_sendmsg+0x723/0xbe0 [20250.477937][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20250.477937][ T7704] ___sys_sendmsg+0xee/0x170 [20250.477937][ T7704] __sys_sendmsg+0xcd/0x170 [20250.477937][ T7704] do_syscall_64+0xc6/0x1e0 [20250.477937][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20250.477937][ T7704] [20260.716971][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20260.717754][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20260.717754][ T7704] netdev_get_by_index+0x5e/0x80 [20260.717754][ T7704] fib6_nh_init+0x3d8/0x15b0 [20260.717754][ T7704] ip6_route_info_create+0xf18/0x17d0 [20260.717754][ T7704] ip6_route_add+0x1c/0x140 [20260.717754][ T7704] addrconf_prefix_route+0x2a6/0x430 [20260.717754][ T7704] inet6_addr_add+0x4f8/0xa40 [20260.717754][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20260.717754][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20260.717754][ T7704] netlink_rcv_skb+0x130/0x360 [20260.717754][ T7704] netlink_unicast+0x449/0x710 [20260.717754][ T7704] netlink_sendmsg+0x723/0xbe0 [20260.717754][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20260.717754][ T7704] ___sys_sendmsg+0xee/0x170 [20260.717754][ T7704] __sys_sendmsg+0xcd/0x170 [20260.717754][ T7704] do_syscall_64+0xc6/0x1e0 [20260.717754][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20260.717754][ T7704] [20260.720318][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20260.720318][ T7704] netdev_get_by_index+0x5e/0x80 [20260.720318][ T7704] fib6_nh_init+0x3d8/0x15b0 [20260.720318][ T7704] ip6_route_info_create+0xf18/0x17d0 [20260.720318][ T7704] addrconf_f6i_alloc+0x315/0x560 [20260.720318][ T7704] ipv6_add_addr+0x411/0x2000 [20260.720318][ T7704] inet6_addr_add+0x30e/0xa40 [20260.720318][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20260.720318][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20260.720318][ T7704] netlink_rcv_skb+0x130/0x360 [20260.720318][ T7704] netlink_unicast+0x449/0x710 [20260.720318][ T7704] netlink_sendmsg+0x723/0xbe0 [20260.720318][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20260.720318][ T7704] ___sys_sendmsg+0xee/0x170 [20260.720318][ T7704] __sys_sendmsg+0xcd/0x170 [20260.720318][ T7704] do_syscall_64+0xc6/0x1e0 [20260.720318][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20260.720318][ T7704] [20260.722760][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20260.722760][ T7704] netdev_get_by_index+0x5e/0x80 [20260.722760][ T7704] fib6_nh_init+0x3d8/0x15b0 [20260.722760][ T7704] ip6_route_info_create+0xf18/0x17d0 [20260.722760][ T7704] ip6_route_add+0x1c/0x140 [20260.722760][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20260.722760][ T7704] addrconf_add_dev+0xe2/0x170 [20260.722760][ T7704] inet6_addr_add+0x12f/0xa40 [20260.722760][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20260.722760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20260.722760][ T7704] netlink_rcv_skb+0x130/0x360 [20260.722760][ T7704] netlink_unicast+0x449/0x710 [20260.722760][ T7704] netlink_sendmsg+0x723/0xbe0 [20260.722760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20260.722760][ T7704] ___sys_sendmsg+0xee/0x170 [20260.722760][ T7704] __sys_sendmsg+0xcd/0x170 [20260.722760][ T7704] do_syscall_64+0xc6/0x1e0 [20260.722760][ T7704] [20260.725067][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20260.725067][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20260.725067][ T7704] ipv6_find_idev+0x102/0x170 [20260.725067][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20260.725067][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20260.725067][ T7704] netlink_rcv_skb+0x130/0x360 [20260.725067][ T7704] netlink_unicast+0x449/0x710 [20260.725067][ T7704] netlink_sendmsg+0x723/0xbe0 [20260.725067][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20260.725067][ T7704] ___sys_sendmsg+0xee/0x170 [20260.725067][ T7704] __sys_sendmsg+0xcd/0x170 [20260.725067][ T7704] do_syscall_64+0xc6/0x1e0 [20260.725067][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20260.725067][ T7704] [20260.726998][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20260.726998][ T7704] neigh_parms_alloc+0x1e5/0x510 [20260.726998][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20260.726998][ T7704] ipv6_find_idev+0x102/0x170 [20260.726998][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20260.726998][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20260.726998][ T7704] netlink_rcv_skb+0x130/0x360 [20260.726998][ T7704] netlink_unicast+0x449/0x710 [20260.726998][ T7704] netlink_sendmsg+0x723/0xbe0 [20260.726998][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20260.726998][ T7704] ___sys_sendmsg+0xee/0x170 [20260.726998][ T7704] __sys_sendmsg+0xcd/0x170 [20260.726998][ T7704] do_syscall_64+0xc6/0x1e0 [20260.726998][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20260.726998][ T7704] [20270.956923][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20270.957830][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20270.957830][ T7704] netdev_get_by_index+0x5e/0x80 [20270.957830][ T7704] fib6_nh_init+0x3d8/0x15b0 [20270.957830][ T7704] ip6_route_info_create+0xf18/0x17d0 [20270.957830][ T7704] ip6_route_add+0x1c/0x140 [20270.957830][ T7704] addrconf_prefix_route+0x2a6/0x430 [20270.957830][ T7704] inet6_addr_add+0x4f8/0xa40 [20270.957830][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20270.957830][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20270.957830][ T7704] netlink_rcv_skb+0x130/0x360 [20270.957830][ T7704] netlink_unicast+0x449/0x710 [20270.957830][ T7704] netlink_sendmsg+0x723/0xbe0 [20270.957830][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20270.957830][ T7704] ___sys_sendmsg+0xee/0x170 [20270.957830][ T7704] __sys_sendmsg+0xcd/0x170 [20270.957830][ T7704] do_syscall_64+0xc6/0x1e0 [20270.957830][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20270.957830][ T7704] [20270.960270][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20270.960270][ T7704] netdev_get_by_index+0x5e/0x80 [20270.960270][ T7704] fib6_nh_init+0x3d8/0x15b0 [20270.960270][ T7704] ip6_route_info_create+0xf18/0x17d0 [20270.960270][ T7704] addrconf_f6i_alloc+0x315/0x560 [20270.960270][ T7704] ipv6_add_addr+0x411/0x2000 [20270.960270][ T7704] inet6_addr_add+0x30e/0xa40 [20270.960270][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20270.960270][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20270.960270][ T7704] netlink_rcv_skb+0x130/0x360 [20270.960270][ T7704] netlink_unicast+0x449/0x710 [20270.960270][ T7704] netlink_sendmsg+0x723/0xbe0 [20270.960270][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20270.960270][ T7704] ___sys_sendmsg+0xee/0x170 [20270.960270][ T7704] __sys_sendmsg+0xcd/0x170 [20270.960270][ T7704] do_syscall_64+0xc6/0x1e0 [20270.960270][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20270.960270][ T7704] [20270.962628][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20270.962628][ T7704] netdev_get_by_index+0x5e/0x80 [20270.962628][ T7704] fib6_nh_init+0x3d8/0x15b0 [20270.962628][ T7704] ip6_route_info_create+0xf18/0x17d0 [20270.962628][ T7704] ip6_route_add+0x1c/0x140 [20270.962628][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20270.962628][ T7704] addrconf_add_dev+0xe2/0x170 [20270.962628][ T7704] inet6_addr_add+0x12f/0xa40 [20270.962628][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20270.962628][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20270.962628][ T7704] netlink_rcv_skb+0x130/0x360 [20270.962628][ T7704] netlink_unicast+0x449/0x710 [20270.962628][ T7704] netlink_sendmsg+0x723/0xbe0 [20270.962628][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20270.962628][ T7704] ___sys_sendmsg+0xee/0x170 [20270.962628][ T7704] __sys_sendmsg+0xcd/0x170 [20270.962628][ T7704] do_syscall_64+0xc6/0x1e0 [20270.962628][ T7704] [20270.964966][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20270.964966][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20270.964966][ T7704] ipv6_find_idev+0x102/0x170 [20270.964966][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20270.964966][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20270.964966][ T7704] netlink_rcv_skb+0x130/0x360 [20270.964966][ T7704] netlink_unicast+0x449/0x710 [20270.964966][ T7704] netlink_sendmsg+0x723/0xbe0 [20270.964966][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20270.964966][ T7704] ___sys_sendmsg+0xee/0x170 [20270.964966][ T7704] __sys_sendmsg+0xcd/0x170 [20270.964966][ T7704] do_syscall_64+0xc6/0x1e0 [20270.964966][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20270.964966][ T7704] [20270.966864][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20270.966864][ T7704] neigh_parms_alloc+0x1e5/0x510 [20270.966864][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20270.966864][ T7704] ipv6_find_idev+0x102/0x170 [20270.966864][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20270.966864][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20270.966864][ T7704] netlink_rcv_skb+0x130/0x360 [20270.966864][ T7704] netlink_unicast+0x449/0x710 [20270.966864][ T7704] netlink_sendmsg+0x723/0xbe0 [20270.966864][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20270.966864][ T7704] ___sys_sendmsg+0xee/0x170 [20270.966864][ T7704] __sys_sendmsg+0xcd/0x170 [20270.966864][ T7704] do_syscall_64+0xc6/0x1e0 [20270.966864][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20270.966864][ T7704] [20281.092947][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20281.093515][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20281.093515][ T7704] netdev_get_by_index+0x5e/0x80 [20281.093515][ T7704] fib6_nh_init+0x3d8/0x15b0 [20281.093515][ T7704] ip6_route_info_create+0xf18/0x17d0 [20281.093515][ T7704] ip6_route_add+0x1c/0x140 [20281.093515][ T7704] addrconf_prefix_route+0x2a6/0x430 [20281.093515][ T7704] inet6_addr_add+0x4f8/0xa40 [20281.093515][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20281.093515][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20281.093515][ T7704] netlink_rcv_skb+0x130/0x360 [20281.093515][ T7704] netlink_unicast+0x449/0x710 [20281.093515][ T7704] netlink_sendmsg+0x723/0xbe0 [20281.093515][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20281.093515][ T7704] ___sys_sendmsg+0xee/0x170 [20281.093515][ T7704] __sys_sendmsg+0xcd/0x170 [20281.093515][ T7704] do_syscall_64+0xc6/0x1e0 [20281.093515][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20281.093515][ T7704] [20281.095860][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20281.095860][ T7704] netdev_get_by_index+0x5e/0x80 [20281.095860][ T7704] fib6_nh_init+0x3d8/0x15b0 [20281.095860][ T7704] ip6_route_info_create+0xf18/0x17d0 [20281.095860][ T7704] addrconf_f6i_alloc+0x315/0x560 [20281.095860][ T7704] ipv6_add_addr+0x411/0x2000 [20281.095860][ T7704] inet6_addr_add+0x30e/0xa40 [20281.095860][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20281.095860][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20281.095860][ T7704] netlink_rcv_skb+0x130/0x360 [20281.095860][ T7704] netlink_unicast+0x449/0x710 [20281.095860][ T7704] netlink_sendmsg+0x723/0xbe0 [20281.095860][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20281.095860][ T7704] ___sys_sendmsg+0xee/0x170 [20281.095860][ T7704] __sys_sendmsg+0xcd/0x170 [20281.095860][ T7704] do_syscall_64+0xc6/0x1e0 [20281.095860][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20281.095860][ T7704] [20281.098236][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20281.098236][ T7704] netdev_get_by_index+0x5e/0x80 [20281.098236][ T7704] fib6_nh_init+0x3d8/0x15b0 [20281.098236][ T7704] ip6_route_info_create+0xf18/0x17d0 [20281.098236][ T7704] ip6_route_add+0x1c/0x140 [20281.098236][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20281.098236][ T7704] addrconf_add_dev+0xe2/0x170 [20281.098236][ T7704] inet6_addr_add+0x12f/0xa40 [20281.098236][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20281.098236][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20281.098236][ T7704] netlink_rcv_skb+0x130/0x360 [20281.098236][ T7704] netlink_unicast+0x449/0x710 [20281.098236][ T7704] netlink_sendmsg+0x723/0xbe0 [20281.098236][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20281.098236][ T7704] ___sys_sendmsg+0xee/0x170 [20281.098236][ T7704] __sys_sendmsg+0xcd/0x170 [20281.098236][ T7704] do_syscall_64+0xc6/0x1e0 [20281.098236][ T7704] [20281.100638][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20281.100638][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20281.100638][ T7704] ipv6_find_idev+0x102/0x170 [20281.100638][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20281.100638][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20281.100638][ T7704] netlink_rcv_skb+0x130/0x360 [20281.100638][ T7704] netlink_unicast+0x449/0x710 [20281.100638][ T7704] netlink_sendmsg+0x723/0xbe0 [20281.100638][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20281.100638][ T7704] ___sys_sendmsg+0xee/0x170 [20281.100638][ T7704] __sys_sendmsg+0xcd/0x170 [20281.100638][ T7704] do_syscall_64+0xc6/0x1e0 [20281.100638][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20281.100638][ T7704] [20281.102469][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20281.102469][ T7704] neigh_parms_alloc+0x1e5/0x510 [20281.102469][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20281.102469][ T7704] ipv6_find_idev+0x102/0x170 [20281.102469][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20281.102469][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20281.102469][ T7704] netlink_rcv_skb+0x130/0x360 [20281.102469][ T7704] netlink_unicast+0x449/0x710 [20281.102469][ T7704] netlink_sendmsg+0x723/0xbe0 [20281.102469][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20281.102469][ T7704] ___sys_sendmsg+0xee/0x170 [20281.102469][ T7704] __sys_sendmsg+0xcd/0x170 [20281.102469][ T7704] do_syscall_64+0xc6/0x1e0 [20281.102469][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20281.102469][ T7704] [20291.340890][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20291.341714][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20291.341714][ T7704] netdev_get_by_index+0x5e/0x80 [20291.341714][ T7704] fib6_nh_init+0x3d8/0x15b0 [20291.341714][ T7704] ip6_route_info_create+0xf18/0x17d0 [20291.341714][ T7704] ip6_route_add+0x1c/0x140 [20291.341714][ T7704] addrconf_prefix_route+0x2a6/0x430 [20291.341714][ T7704] inet6_addr_add+0x4f8/0xa40 [20291.341714][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20291.341714][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20291.341714][ T7704] netlink_rcv_skb+0x130/0x360 [20291.341714][ T7704] netlink_unicast+0x449/0x710 [20291.341714][ T7704] netlink_sendmsg+0x723/0xbe0 [20291.341714][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20291.341714][ T7704] ___sys_sendmsg+0xee/0x170 [20291.341714][ T7704] __sys_sendmsg+0xcd/0x170 [20291.341714][ T7704] do_syscall_64+0xc6/0x1e0 [20291.341714][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20291.341714][ T7704] [20291.344153][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20291.344153][ T7704] netdev_get_by_index+0x5e/0x80 [20291.344153][ T7704] fib6_nh_init+0x3d8/0x15b0 [20291.344153][ T7704] ip6_route_info_create+0xf18/0x17d0 [20291.344153][ T7704] addrconf_f6i_alloc+0x315/0x560 [20291.344153][ T7704] ipv6_add_addr+0x411/0x2000 [20291.344153][ T7704] inet6_addr_add+0x30e/0xa40 [20291.344153][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20291.344153][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20291.344153][ T7704] netlink_rcv_skb+0x130/0x360 [20291.344153][ T7704] netlink_unicast+0x449/0x710 [20291.344153][ T7704] netlink_sendmsg+0x723/0xbe0 [20291.344153][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20291.344153][ T7704] ___sys_sendmsg+0xee/0x170 [20291.344153][ T7704] __sys_sendmsg+0xcd/0x170 [20291.344153][ T7704] do_syscall_64+0xc6/0x1e0 [20291.344153][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20291.344153][ T7704] [20291.346462][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20291.346462][ T7704] netdev_get_by_index+0x5e/0x80 [20291.346462][ T7704] fib6_nh_init+0x3d8/0x15b0 [20291.346462][ T7704] ip6_route_info_create+0xf18/0x17d0 [20291.346462][ T7704] ip6_route_add+0x1c/0x140 [20291.346462][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20291.346462][ T7704] addrconf_add_dev+0xe2/0x170 [20291.346462][ T7704] inet6_addr_add+0x12f/0xa40 [20291.346462][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20291.346462][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20291.346462][ T7704] netlink_rcv_skb+0x130/0x360 [20291.346462][ T7704] netlink_unicast+0x449/0x710 [20291.346462][ T7704] netlink_sendmsg+0x723/0xbe0 [20291.346462][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20291.346462][ T7704] ___sys_sendmsg+0xee/0x170 [20291.346462][ T7704] __sys_sendmsg+0xcd/0x170 [20291.346462][ T7704] do_syscall_64+0xc6/0x1e0 [20291.346462][ T7704] [20291.348904][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20291.348904][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20291.348904][ T7704] ipv6_find_idev+0x102/0x170 [20291.348904][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20291.348904][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20291.348904][ T7704] netlink_rcv_skb+0x130/0x360 [20291.348904][ T7704] netlink_unicast+0x449/0x710 [20291.348904][ T7704] netlink_sendmsg+0x723/0xbe0 [20291.348904][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20291.348904][ T7704] ___sys_sendmsg+0xee/0x170 [20291.348904][ T7704] __sys_sendmsg+0xcd/0x170 [20291.348904][ T7704] do_syscall_64+0xc6/0x1e0 [20291.348904][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20291.348904][ T7704] [20291.350678][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20291.350678][ T7704] neigh_parms_alloc+0x1e5/0x510 [20291.350678][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20291.350678][ T7704] ipv6_find_idev+0x102/0x170 [20291.350678][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20291.350678][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20291.350678][ T7704] netlink_rcv_skb+0x130/0x360 [20291.350678][ T7704] netlink_unicast+0x449/0x710 [20291.350678][ T7704] netlink_sendmsg+0x723/0xbe0 [20291.350678][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20291.350678][ T7704] ___sys_sendmsg+0xee/0x170 [20291.350678][ T7704] __sys_sendmsg+0xcd/0x170 [20291.350678][ T7704] do_syscall_64+0xc6/0x1e0 [20291.350678][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20291.350678][ T7704] [20301.492818][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20301.493381][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20301.493381][ T7704] netdev_get_by_index+0x5e/0x80 [20301.493381][ T7704] fib6_nh_init+0x3d8/0x15b0 [20301.493381][ T7704] ip6_route_info_create+0xf18/0x17d0 [20301.493381][ T7704] ip6_route_add+0x1c/0x140 [20301.493381][ T7704] addrconf_prefix_route+0x2a6/0x430 [20301.493381][ T7704] inet6_addr_add+0x4f8/0xa40 [20301.493381][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20301.493381][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20301.493381][ T7704] netlink_rcv_skb+0x130/0x360 [20301.493381][ T7704] netlink_unicast+0x449/0x710 [20301.493381][ T7704] netlink_sendmsg+0x723/0xbe0 [20301.493381][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20301.493381][ T7704] ___sys_sendmsg+0xee/0x170 [20301.493381][ T7704] __sys_sendmsg+0xcd/0x170 [20301.493381][ T7704] do_syscall_64+0xc6/0x1e0 [20301.493381][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20301.493381][ T7704] [20301.495889][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20301.495889][ T7704] netdev_get_by_index+0x5e/0x80 [20301.495889][ T7704] fib6_nh_init+0x3d8/0x15b0 [20301.495889][ T7704] ip6_route_info_create+0xf18/0x17d0 [20301.495889][ T7704] addrconf_f6i_alloc+0x315/0x560 [20301.495889][ T7704] ipv6_add_addr+0x411/0x2000 [20301.495889][ T7704] inet6_addr_add+0x30e/0xa40 [20301.495889][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20301.495889][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20301.495889][ T7704] netlink_rcv_skb+0x130/0x360 [20301.495889][ T7704] netlink_unicast+0x449/0x710 [20301.495889][ T7704] netlink_sendmsg+0x723/0xbe0 [20301.495889][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20301.495889][ T7704] ___sys_sendmsg+0xee/0x170 [20301.495889][ T7704] __sys_sendmsg+0xcd/0x170 [20301.495889][ T7704] do_syscall_64+0xc6/0x1e0 [20301.495889][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20301.495889][ T7704] [20301.498395][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20301.498395][ T7704] netdev_get_by_index+0x5e/0x80 [20301.498395][ T7704] fib6_nh_init+0x3d8/0x15b0 [20301.498395][ T7704] ip6_route_info_create+0xf18/0x17d0 [20301.498395][ T7704] ip6_route_add+0x1c/0x140 [20301.498395][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20301.498395][ T7704] addrconf_add_dev+0xe2/0x170 [20301.498395][ T7704] inet6_addr_add+0x12f/0xa40 [20301.498395][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20301.498395][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20301.498395][ T7704] netlink_rcv_skb+0x130/0x360 [20301.498395][ T7704] netlink_unicast+0x449/0x710 [20301.498395][ T7704] netlink_sendmsg+0x723/0xbe0 [20301.498395][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20301.498395][ T7704] ___sys_sendmsg+0xee/0x170 [20301.498395][ T7704] __sys_sendmsg+0xcd/0x170 [20301.498395][ T7704] do_syscall_64+0xc6/0x1e0 [20301.498395][ T7704] [20301.500866][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20301.500866][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20301.500866][ T7704] ipv6_find_idev+0x102/0x170 [20301.500866][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20301.500866][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20301.500866][ T7704] netlink_rcv_skb+0x130/0x360 [20301.500866][ T7704] netlink_unicast+0x449/0x710 [20301.500866][ T7704] netlink_sendmsg+0x723/0xbe0 [20301.500866][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20301.500866][ T7704] ___sys_sendmsg+0xee/0x170 [20301.500866][ T7704] __sys_sendmsg+0xcd/0x170 [20301.500866][ T7704] do_syscall_64+0xc6/0x1e0 [20301.500866][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20301.500866][ T7704] [20301.502753][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20301.502753][ T7704] neigh_parms_alloc+0x1e5/0x510 [20301.502753][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20301.502753][ T7704] ipv6_find_idev+0x102/0x170 [20301.502753][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20301.502753][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20301.502753][ T7704] netlink_rcv_skb+0x130/0x360 [20301.502753][ T7704] netlink_unicast+0x449/0x710 [20301.502753][ T7704] netlink_sendmsg+0x723/0xbe0 [20301.502753][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20301.502753][ T7704] ___sys_sendmsg+0xee/0x170 [20301.502753][ T7704] __sys_sendmsg+0xcd/0x170 [20301.502753][ T7704] do_syscall_64+0xc6/0x1e0 [20301.502753][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20301.502753][ T7704] [20311.740892][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20311.741461][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20311.741461][ T7704] netdev_get_by_index+0x5e/0x80 [20311.741461][ T7704] fib6_nh_init+0x3d8/0x15b0 [20311.741461][ T7704] ip6_route_info_create+0xf18/0x17d0 [20311.741461][ T7704] ip6_route_add+0x1c/0x140 [20311.741461][ T7704] addrconf_prefix_route+0x2a6/0x430 [20311.741461][ T7704] inet6_addr_add+0x4f8/0xa40 [20311.741461][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20311.741461][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20311.741461][ T7704] netlink_rcv_skb+0x130/0x360 [20311.741461][ T7704] netlink_unicast+0x449/0x710 [20311.741461][ T7704] netlink_sendmsg+0x723/0xbe0 [20311.741461][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20311.741461][ T7704] ___sys_sendmsg+0xee/0x170 [20311.741461][ T7704] __sys_sendmsg+0xcd/0x170 [20311.741461][ T7704] do_syscall_64+0xc6/0x1e0 [20311.741461][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20311.741461][ T7704] [20311.743959][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20311.743959][ T7704] netdev_get_by_index+0x5e/0x80 [20311.743959][ T7704] fib6_nh_init+0x3d8/0x15b0 [20311.743959][ T7704] ip6_route_info_create+0xf18/0x17d0 [20311.743959][ T7704] addrconf_f6i_alloc+0x315/0x560 [20311.743959][ T7704] ipv6_add_addr+0x411/0x2000 [20311.743959][ T7704] inet6_addr_add+0x30e/0xa40 [20311.743959][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20311.743959][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20311.743959][ T7704] netlink_rcv_skb+0x130/0x360 [20311.743959][ T7704] netlink_unicast+0x449/0x710 [20311.743959][ T7704] netlink_sendmsg+0x723/0xbe0 [20311.743959][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20311.743959][ T7704] ___sys_sendmsg+0xee/0x170 [20311.743959][ T7704] __sys_sendmsg+0xcd/0x170 [20311.743959][ T7704] do_syscall_64+0xc6/0x1e0 [20311.743959][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20311.743959][ T7704] [20311.746408][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20311.746408][ T7704] netdev_get_by_index+0x5e/0x80 [20311.746408][ T7704] fib6_nh_init+0x3d8/0x15b0 [20311.746408][ T7704] ip6_route_info_create+0xf18/0x17d0 [20311.746408][ T7704] ip6_route_add+0x1c/0x140 [20311.746408][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20311.746408][ T7704] addrconf_add_dev+0xe2/0x170 [20311.746408][ T7704] inet6_addr_add+0x12f/0xa40 [20311.746408][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20311.746408][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20311.746408][ T7704] netlink_rcv_skb+0x130/0x360 [20311.746408][ T7704] netlink_unicast+0x449/0x710 [20311.746408][ T7704] netlink_sendmsg+0x723/0xbe0 [20311.746408][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20311.746408][ T7704] ___sys_sendmsg+0xee/0x170 [20311.746408][ T7704] __sys_sendmsg+0xcd/0x170 [20311.746408][ T7704] do_syscall_64+0xc6/0x1e0 [20311.746408][ T7704] [20311.748825][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20311.748825][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20311.748825][ T7704] ipv6_find_idev+0x102/0x170 [20311.748825][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20311.748825][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20311.748825][ T7704] netlink_rcv_skb+0x130/0x360 [20311.748825][ T7704] netlink_unicast+0x449/0x710 [20311.748825][ T7704] netlink_sendmsg+0x723/0xbe0 [20311.748825][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20311.748825][ T7704] ___sys_sendmsg+0xee/0x170 [20311.748825][ T7704] __sys_sendmsg+0xcd/0x170 [20311.748825][ T7704] do_syscall_64+0xc6/0x1e0 [20311.748825][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20311.748825][ T7704] [20311.750694][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20311.750694][ T7704] neigh_parms_alloc+0x1e5/0x510 [20311.750694][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20311.750694][ T7704] ipv6_find_idev+0x102/0x170 [20311.750694][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20311.750694][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20311.750694][ T7704] netlink_rcv_skb+0x130/0x360 [20311.750694][ T7704] netlink_unicast+0x449/0x710 [20311.750694][ T7704] netlink_sendmsg+0x723/0xbe0 [20311.750694][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20311.750694][ T7704] ___sys_sendmsg+0xee/0x170 [20311.750694][ T7704] __sys_sendmsg+0xcd/0x170 [20311.750694][ T7704] do_syscall_64+0xc6/0x1e0 [20311.750694][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20311.750694][ T7704] [20321.988912][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20321.989591][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20321.989591][ T7704] netdev_get_by_index+0x5e/0x80 [20321.989591][ T7704] fib6_nh_init+0x3d8/0x15b0 [20321.989591][ T7704] ip6_route_info_create+0xf18/0x17d0 [20321.989591][ T7704] ip6_route_add+0x1c/0x140 [20321.989591][ T7704] addrconf_prefix_route+0x2a6/0x430 [20321.989591][ T7704] inet6_addr_add+0x4f8/0xa40 [20321.989591][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20321.989591][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20321.989591][ T7704] netlink_rcv_skb+0x130/0x360 [20321.989591][ T7704] netlink_unicast+0x449/0x710 [20321.989591][ T7704] netlink_sendmsg+0x723/0xbe0 [20321.989591][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20321.989591][ T7704] ___sys_sendmsg+0xee/0x170 [20321.989591][ T7704] __sys_sendmsg+0xcd/0x170 [20321.989591][ T7704] do_syscall_64+0xc6/0x1e0 [20321.989591][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20321.989591][ T7704] [20321.991832][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20321.991832][ T7704] netdev_get_by_index+0x5e/0x80 [20321.991832][ T7704] fib6_nh_init+0x3d8/0x15b0 [20321.991832][ T7704] ip6_route_info_create+0xf18/0x17d0 [20321.991832][ T7704] addrconf_f6i_alloc+0x315/0x560 [20321.991832][ T7704] ipv6_add_addr+0x411/0x2000 [20321.991832][ T7704] inet6_addr_add+0x30e/0xa40 [20321.991832][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20321.991832][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20321.991832][ T7704] netlink_rcv_skb+0x130/0x360 [20321.991832][ T7704] netlink_unicast+0x449/0x710 [20321.991832][ T7704] netlink_sendmsg+0x723/0xbe0 [20321.991832][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20321.991832][ T7704] ___sys_sendmsg+0xee/0x170 [20321.991832][ T7704] __sys_sendmsg+0xcd/0x170 [20321.991832][ T7704] do_syscall_64+0xc6/0x1e0 [20321.991832][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20321.991832][ T7704] [20321.994076][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20321.994076][ T7704] netdev_get_by_index+0x5e/0x80 [20321.994076][ T7704] fib6_nh_init+0x3d8/0x15b0 [20321.994076][ T7704] ip6_route_info_create+0xf18/0x17d0 [20321.994076][ T7704] ip6_route_add+0x1c/0x140 [20321.994076][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20321.994076][ T7704] addrconf_add_dev+0xe2/0x170 [20321.994076][ T7704] inet6_addr_add+0x12f/0xa40 [20321.994076][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20321.994076][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20321.994076][ T7704] netlink_rcv_skb+0x130/0x360 [20321.994076][ T7704] netlink_unicast+0x449/0x710 [20321.994076][ T7704] netlink_sendmsg+0x723/0xbe0 [20321.994076][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20321.994076][ T7704] ___sys_sendmsg+0xee/0x170 [20321.994076][ T7704] __sys_sendmsg+0xcd/0x170 [20321.994076][ T7704] do_syscall_64+0xc6/0x1e0 [20321.994076][ T7704] [20321.996290][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20321.996290][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20321.996290][ T7704] ipv6_find_idev+0x102/0x170 [20321.996290][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20321.996290][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20321.996290][ T7704] netlink_rcv_skb+0x130/0x360 [20321.996290][ T7704] netlink_unicast+0x449/0x710 [20321.996290][ T7704] netlink_sendmsg+0x723/0xbe0 [20321.996290][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20321.996290][ T7704] ___sys_sendmsg+0xee/0x170 [20321.996290][ T7704] __sys_sendmsg+0xcd/0x170 [20321.996290][ T7704] do_syscall_64+0xc6/0x1e0 [20321.996290][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20321.996290][ T7704] [20321.998027][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20321.998027][ T7704] neigh_parms_alloc+0x1e5/0x510 [20321.998027][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20321.998027][ T7704] ipv6_find_idev+0x102/0x170 [20321.998027][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20321.998027][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20321.998027][ T7704] netlink_rcv_skb+0x130/0x360 [20321.998027][ T7704] netlink_unicast+0x449/0x710 [20321.998027][ T7704] netlink_sendmsg+0x723/0xbe0 [20321.998027][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20321.998027][ T7704] ___sys_sendmsg+0xee/0x170 [20321.998027][ T7704] __sys_sendmsg+0xcd/0x170 [20321.998027][ T7704] do_syscall_64+0xc6/0x1e0 [20321.998027][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20321.998027][ T7704] [20332.236905][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20332.237609][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20332.237609][ T7704] netdev_get_by_index+0x5e/0x80 [20332.237609][ T7704] fib6_nh_init+0x3d8/0x15b0 [20332.237609][ T7704] ip6_route_info_create+0xf18/0x17d0 [20332.237609][ T7704] ip6_route_add+0x1c/0x140 [20332.237609][ T7704] addrconf_prefix_route+0x2a6/0x430 [20332.237609][ T7704] inet6_addr_add+0x4f8/0xa40 [20332.237609][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20332.237609][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20332.237609][ T7704] netlink_rcv_skb+0x130/0x360 [20332.237609][ T7704] netlink_unicast+0x449/0x710 [20332.237609][ T7704] netlink_sendmsg+0x723/0xbe0 [20332.237609][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20332.237609][ T7704] ___sys_sendmsg+0xee/0x170 [20332.237609][ T7704] __sys_sendmsg+0xcd/0x170 [20332.237609][ T7704] do_syscall_64+0xc6/0x1e0 [20332.237609][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20332.237609][ T7704] [20332.240361][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20332.240361][ T7704] netdev_get_by_index+0x5e/0x80 [20332.240361][ T7704] fib6_nh_init+0x3d8/0x15b0 [20332.240361][ T7704] ip6_route_info_create+0xf18/0x17d0 [20332.240361][ T7704] addrconf_f6i_alloc+0x315/0x560 [20332.240361][ T7704] ipv6_add_addr+0x411/0x2000 [20332.240361][ T7704] inet6_addr_add+0x30e/0xa40 [20332.240361][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20332.240361][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20332.240361][ T7704] netlink_rcv_skb+0x130/0x360 [20332.240361][ T7704] netlink_unicast+0x449/0x710 [20332.240361][ T7704] netlink_sendmsg+0x723/0xbe0 [20332.240361][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20332.240361][ T7704] ___sys_sendmsg+0xee/0x170 [20332.240361][ T7704] __sys_sendmsg+0xcd/0x170 [20332.240361][ T7704] do_syscall_64+0xc6/0x1e0 [20332.240361][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20332.240361][ T7704] [20332.242540][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20332.242540][ T7704] netdev_get_by_index+0x5e/0x80 [20332.242540][ T7704] fib6_nh_init+0x3d8/0x15b0 [20332.242540][ T7704] ip6_route_info_create+0xf18/0x17d0 [20332.242540][ T7704] ip6_route_add+0x1c/0x140 [20332.242540][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20332.242540][ T7704] addrconf_add_dev+0xe2/0x170 [20332.242540][ T7704] inet6_addr_add+0x12f/0xa40 [20332.242540][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20332.242540][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20332.242540][ T7704] netlink_rcv_skb+0x130/0x360 [20332.242540][ T7704] netlink_unicast+0x449/0x710 [20332.242540][ T7704] netlink_sendmsg+0x723/0xbe0 [20332.242540][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20332.242540][ T7704] ___sys_sendmsg+0xee/0x170 [20332.242540][ T7704] __sys_sendmsg+0xcd/0x170 [20332.242540][ T7704] do_syscall_64+0xc6/0x1e0 [20332.242540][ T7704] [20332.244723][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20332.244723][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20332.244723][ T7704] ipv6_find_idev+0x102/0x170 [20332.244723][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20332.244723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20332.244723][ T7704] netlink_rcv_skb+0x130/0x360 [20332.244723][ T7704] netlink_unicast+0x449/0x710 [20332.244723][ T7704] netlink_sendmsg+0x723/0xbe0 [20332.244723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20332.244723][ T7704] ___sys_sendmsg+0xee/0x170 [20332.244723][ T7704] __sys_sendmsg+0xcd/0x170 [20332.244723][ T7704] do_syscall_64+0xc6/0x1e0 [20332.244723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20332.244723][ T7704] [20332.246931][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20332.246931][ T7704] neigh_parms_alloc+0x1e5/0x510 [20332.246931][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20332.246931][ T7704] ipv6_find_idev+0x102/0x170 [20332.246931][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20332.246931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20332.246931][ T7704] netlink_rcv_skb+0x130/0x360 [20332.246931][ T7704] netlink_unicast+0x449/0x710 [20332.246931][ T7704] netlink_sendmsg+0x723/0xbe0 [20332.246931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20332.246931][ T7704] ___sys_sendmsg+0xee/0x170 [20332.246931][ T7704] __sys_sendmsg+0xcd/0x170 [20332.246931][ T7704] do_syscall_64+0xc6/0x1e0 [20332.246931][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20332.246931][ T7704] [20342.268884][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20342.269449][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20342.269449][ T7704] netdev_get_by_index+0x5e/0x80 [20342.269449][ T7704] fib6_nh_init+0x3d8/0x15b0 [20342.269449][ T7704] ip6_route_info_create+0xf18/0x17d0 [20342.269449][ T7704] ip6_route_add+0x1c/0x140 [20342.269449][ T7704] addrconf_prefix_route+0x2a6/0x430 [20342.269449][ T7704] inet6_addr_add+0x4f8/0xa40 [20342.269449][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20342.269449][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20342.269449][ T7704] netlink_rcv_skb+0x130/0x360 [20342.269449][ T7704] netlink_unicast+0x449/0x710 [20342.269449][ T7704] netlink_sendmsg+0x723/0xbe0 [20342.269449][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20342.269449][ T7704] ___sys_sendmsg+0xee/0x170 [20342.269449][ T7704] __sys_sendmsg+0xcd/0x170 [20342.269449][ T7704] do_syscall_64+0xc6/0x1e0 [20342.269449][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20342.269449][ T7704] [20342.271692][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20342.271692][ T7704] netdev_get_by_index+0x5e/0x80 [20342.271692][ T7704] fib6_nh_init+0x3d8/0x15b0 [20342.271692][ T7704] ip6_route_info_create+0xf18/0x17d0 [20342.271692][ T7704] addrconf_f6i_alloc+0x315/0x560 [20342.271692][ T7704] ipv6_add_addr+0x411/0x2000 [20342.271692][ T7704] inet6_addr_add+0x30e/0xa40 [20342.271692][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20342.271692][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20342.271692][ T7704] netlink_rcv_skb+0x130/0x360 [20342.271692][ T7704] netlink_unicast+0x449/0x710 [20342.271692][ T7704] netlink_sendmsg+0x723/0xbe0 [20342.271692][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20342.271692][ T7704] ___sys_sendmsg+0xee/0x170 [20342.271692][ T7704] __sys_sendmsg+0xcd/0x170 [20342.271692][ T7704] do_syscall_64+0xc6/0x1e0 [20342.271692][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20342.271692][ T7704] [20342.273847][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20342.273847][ T7704] netdev_get_by_index+0x5e/0x80 [20342.273847][ T7704] fib6_nh_init+0x3d8/0x15b0 [20342.273847][ T7704] ip6_route_info_create+0xf18/0x17d0 [20342.273847][ T7704] ip6_route_add+0x1c/0x140 [20342.273847][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20342.273847][ T7704] addrconf_add_dev+0xe2/0x170 [20342.273847][ T7704] inet6_addr_add+0x12f/0xa40 [20342.273847][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20342.273847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20342.273847][ T7704] netlink_rcv_skb+0x130/0x360 [20342.273847][ T7704] netlink_unicast+0x449/0x710 [20342.273847][ T7704] netlink_sendmsg+0x723/0xbe0 [20342.273847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20342.273847][ T7704] ___sys_sendmsg+0xee/0x170 [20342.273847][ T7704] __sys_sendmsg+0xcd/0x170 [20342.273847][ T7704] do_syscall_64+0xc6/0x1e0 [20342.273847][ T7704] [20342.275958][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20342.275958][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20342.275958][ T7704] ipv6_find_idev+0x102/0x170 [20342.275958][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20342.275958][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20342.275958][ T7704] netlink_rcv_skb+0x130/0x360 [20342.275958][ T7704] netlink_unicast+0x449/0x710 [20342.275958][ T7704] netlink_sendmsg+0x723/0xbe0 [20342.275958][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20342.275958][ T7704] ___sys_sendmsg+0xee/0x170 [20342.275958][ T7704] __sys_sendmsg+0xcd/0x170 [20342.275958][ T7704] do_syscall_64+0xc6/0x1e0 [20342.275958][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20342.275958][ T7704] [20342.277615][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20342.277615][ T7704] neigh_parms_alloc+0x1e5/0x510 [20342.277615][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20342.277615][ T7704] ipv6_find_idev+0x102/0x170 [20342.277615][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20342.277615][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20342.277615][ T7704] netlink_rcv_skb+0x130/0x360 [20342.277615][ T7704] netlink_unicast+0x449/0x710 [20342.277615][ T7704] netlink_sendmsg+0x723/0xbe0 [20342.277615][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20342.277615][ T7704] ___sys_sendmsg+0xee/0x170 [20342.277615][ T7704] __sys_sendmsg+0xcd/0x170 [20342.277615][ T7704] do_syscall_64+0xc6/0x1e0 [20342.277615][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20342.277615][ T7704] [20352.348902][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20352.349537][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20352.349537][ T7704] netdev_get_by_index+0x5e/0x80 [20352.349537][ T7704] fib6_nh_init+0x3d8/0x15b0 [20352.349537][ T7704] ip6_route_info_create+0xf18/0x17d0 [20352.349537][ T7704] ip6_route_add+0x1c/0x140 [20352.349537][ T7704] addrconf_prefix_route+0x2a6/0x430 [20352.349537][ T7704] inet6_addr_add+0x4f8/0xa40 [20352.349537][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20352.349537][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20352.349537][ T7704] netlink_rcv_skb+0x130/0x360 [20352.349537][ T7704] netlink_unicast+0x449/0x710 [20352.349537][ T7704] netlink_sendmsg+0x723/0xbe0 [20352.349537][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20352.349537][ T7704] ___sys_sendmsg+0xee/0x170 [20352.349537][ T7704] __sys_sendmsg+0xcd/0x170 [20352.349537][ T7704] do_syscall_64+0xc6/0x1e0 [20352.349537][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20352.349537][ T7704] [20352.351773][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20352.351773][ T7704] netdev_get_by_index+0x5e/0x80 [20352.351773][ T7704] fib6_nh_init+0x3d8/0x15b0 [20352.351773][ T7704] ip6_route_info_create+0xf18/0x17d0 [20352.351773][ T7704] addrconf_f6i_alloc+0x315/0x560 [20352.351773][ T7704] ipv6_add_addr+0x411/0x2000 [20352.351773][ T7704] inet6_addr_add+0x30e/0xa40 [20352.351773][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20352.351773][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20352.351773][ T7704] netlink_rcv_skb+0x130/0x360 [20352.351773][ T7704] netlink_unicast+0x449/0x710 [20352.351773][ T7704] netlink_sendmsg+0x723/0xbe0 [20352.351773][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20352.351773][ T7704] ___sys_sendmsg+0xee/0x170 [20352.351773][ T7704] __sys_sendmsg+0xcd/0x170 [20352.351773][ T7704] do_syscall_64+0xc6/0x1e0 [20352.351773][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20352.351773][ T7704] [20352.353931][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20352.353931][ T7704] netdev_get_by_index+0x5e/0x80 [20352.353931][ T7704] fib6_nh_init+0x3d8/0x15b0 [20352.353931][ T7704] ip6_route_info_create+0xf18/0x17d0 [20352.353931][ T7704] ip6_route_add+0x1c/0x140 [20352.353931][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20352.353931][ T7704] addrconf_add_dev+0xe2/0x170 [20352.353931][ T7704] inet6_addr_add+0x12f/0xa40 [20352.353931][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20352.353931][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20352.353931][ T7704] netlink_rcv_skb+0x130/0x360 [20352.353931][ T7704] netlink_unicast+0x449/0x710 [20352.353931][ T7704] netlink_sendmsg+0x723/0xbe0 [20352.353931][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20352.353931][ T7704] ___sys_sendmsg+0xee/0x170 [20352.353931][ T7704] __sys_sendmsg+0xcd/0x170 [20352.353931][ T7704] do_syscall_64+0xc6/0x1e0 [20352.353931][ T7704] [20352.356049][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20352.356049][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20352.356049][ T7704] ipv6_find_idev+0x102/0x170 [20352.356049][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20352.356049][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20352.356049][ T7704] netlink_rcv_skb+0x130/0x360 [20352.356049][ T7704] netlink_unicast+0x449/0x710 [20352.356049][ T7704] netlink_sendmsg+0x723/0xbe0 [20352.356049][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20352.356049][ T7704] ___sys_sendmsg+0xee/0x170 [20352.356049][ T7704] __sys_sendmsg+0xcd/0x170 [20352.356049][ T7704] do_syscall_64+0xc6/0x1e0 [20352.356049][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20352.356049][ T7704] [20352.357765][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20352.357765][ T7704] neigh_parms_alloc+0x1e5/0x510 [20352.357765][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20352.357765][ T7704] ipv6_find_idev+0x102/0x170 [20352.357765][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20352.357765][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20352.357765][ T7704] netlink_rcv_skb+0x130/0x360 [20352.357765][ T7704] netlink_unicast+0x449/0x710 [20352.357765][ T7704] netlink_sendmsg+0x723/0xbe0 [20352.357765][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20352.357765][ T7704] ___sys_sendmsg+0xee/0x170 [20352.357765][ T7704] __sys_sendmsg+0xcd/0x170 [20352.357765][ T7704] do_syscall_64+0xc6/0x1e0 [20352.357765][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20352.357765][ T7704] [20362.428874][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20362.429485][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20362.429485][ T7704] netdev_get_by_index+0x5e/0x80 [20362.429485][ T7704] fib6_nh_init+0x3d8/0x15b0 [20362.429485][ T7704] ip6_route_info_create+0xf18/0x17d0 [20362.429485][ T7704] ip6_route_add+0x1c/0x140 [20362.429485][ T7704] addrconf_prefix_route+0x2a6/0x430 [20362.429485][ T7704] inet6_addr_add+0x4f8/0xa40 [20362.429485][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20362.429485][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20362.429485][ T7704] netlink_rcv_skb+0x130/0x360 [20362.429485][ T7704] netlink_unicast+0x449/0x710 [20362.429485][ T7704] netlink_sendmsg+0x723/0xbe0 [20362.429485][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20362.429485][ T7704] ___sys_sendmsg+0xee/0x170 [20362.429485][ T7704] __sys_sendmsg+0xcd/0x170 [20362.429485][ T7704] do_syscall_64+0xc6/0x1e0 [20362.429485][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20362.429485][ T7704] [20362.431717][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20362.431717][ T7704] netdev_get_by_index+0x5e/0x80 [20362.431717][ T7704] fib6_nh_init+0x3d8/0x15b0 [20362.431717][ T7704] ip6_route_info_create+0xf18/0x17d0 [20362.431717][ T7704] addrconf_f6i_alloc+0x315/0x560 [20362.431717][ T7704] ipv6_add_addr+0x411/0x2000 [20362.431717][ T7704] inet6_addr_add+0x30e/0xa40 [20362.431717][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20362.431717][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20362.431717][ T7704] netlink_rcv_skb+0x130/0x360 [20362.431717][ T7704] netlink_unicast+0x449/0x710 [20362.431717][ T7704] netlink_sendmsg+0x723/0xbe0 [20362.431717][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20362.431717][ T7704] ___sys_sendmsg+0xee/0x170 [20362.431717][ T7704] __sys_sendmsg+0xcd/0x170 [20362.431717][ T7704] do_syscall_64+0xc6/0x1e0 [20362.431717][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20362.431717][ T7704] [20362.433884][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20362.433884][ T7704] netdev_get_by_index+0x5e/0x80 [20362.433884][ T7704] fib6_nh_init+0x3d8/0x15b0 [20362.433884][ T7704] ip6_route_info_create+0xf18/0x17d0 [20362.433884][ T7704] ip6_route_add+0x1c/0x140 [20362.433884][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20362.433884][ T7704] addrconf_add_dev+0xe2/0x170 [20362.433884][ T7704] inet6_addr_add+0x12f/0xa40 [20362.433884][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20362.433884][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20362.433884][ T7704] netlink_rcv_skb+0x130/0x360 [20362.433884][ T7704] netlink_unicast+0x449/0x710 [20362.433884][ T7704] netlink_sendmsg+0x723/0xbe0 [20362.433884][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20362.433884][ T7704] ___sys_sendmsg+0xee/0x170 [20362.433884][ T7704] __sys_sendmsg+0xcd/0x170 [20362.433884][ T7704] do_syscall_64+0xc6/0x1e0 [20362.433884][ T7704] [20362.436030][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20362.436030][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20362.436030][ T7704] ipv6_find_idev+0x102/0x170 [20362.436030][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20362.436030][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20362.436030][ T7704] netlink_rcv_skb+0x130/0x360 [20362.436030][ T7704] netlink_unicast+0x449/0x710 [20362.436030][ T7704] netlink_sendmsg+0x723/0xbe0 [20362.436030][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20362.436030][ T7704] ___sys_sendmsg+0xee/0x170 [20362.436030][ T7704] __sys_sendmsg+0xcd/0x170 [20362.436030][ T7704] do_syscall_64+0xc6/0x1e0 [20362.436030][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20362.436030][ T7704] [20362.437723][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20362.437723][ T7704] neigh_parms_alloc+0x1e5/0x510 [20362.437723][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20362.437723][ T7704] ipv6_find_idev+0x102/0x170 [20362.437723][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20362.437723][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20362.437723][ T7704] netlink_rcv_skb+0x130/0x360 [20362.437723][ T7704] netlink_unicast+0x449/0x710 [20362.437723][ T7704] netlink_sendmsg+0x723/0xbe0 [20362.437723][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20362.437723][ T7704] ___sys_sendmsg+0xee/0x170 [20362.437723][ T7704] __sys_sendmsg+0xcd/0x170 [20362.437723][ T7704] do_syscall_64+0xc6/0x1e0 [20362.437723][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20362.437723][ T7704] [20372.676882][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20372.677418][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20372.677418][ T7704] netdev_get_by_index+0x5e/0x80 [20372.677418][ T7704] fib6_nh_init+0x3d8/0x15b0 [20372.677418][ T7704] ip6_route_info_create+0xf18/0x17d0 [20372.677418][ T7704] ip6_route_add+0x1c/0x140 [20372.677418][ T7704] addrconf_prefix_route+0x2a6/0x430 [20372.677418][ T7704] inet6_addr_add+0x4f8/0xa40 [20372.677418][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20372.677418][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20372.677418][ T7704] netlink_rcv_skb+0x130/0x360 [20372.677418][ T7704] netlink_unicast+0x449/0x710 [20372.677418][ T7704] netlink_sendmsg+0x723/0xbe0 [20372.677418][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20372.677418][ T7704] ___sys_sendmsg+0xee/0x170 [20372.677418][ T7704] __sys_sendmsg+0xcd/0x170 [20372.677418][ T7704] do_syscall_64+0xc6/0x1e0 [20372.677418][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20372.677418][ T7704] [20372.679697][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20372.679697][ T7704] netdev_get_by_index+0x5e/0x80 [20372.679697][ T7704] fib6_nh_init+0x3d8/0x15b0 [20372.679697][ T7704] ip6_route_info_create+0xf18/0x17d0 [20372.679697][ T7704] addrconf_f6i_alloc+0x315/0x560 [20372.679697][ T7704] ipv6_add_addr+0x411/0x2000 [20372.679697][ T7704] inet6_addr_add+0x30e/0xa40 [20372.679697][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20372.679697][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20372.679697][ T7704] netlink_rcv_skb+0x130/0x360 [20372.679697][ T7704] netlink_unicast+0x449/0x710 [20372.679697][ T7704] netlink_sendmsg+0x723/0xbe0 [20372.679697][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20372.679697][ T7704] ___sys_sendmsg+0xee/0x170 [20372.679697][ T7704] __sys_sendmsg+0xcd/0x170 [20372.679697][ T7704] do_syscall_64+0xc6/0x1e0 [20372.679697][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20372.679697][ T7704] [20372.681899][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20372.681899][ T7704] netdev_get_by_index+0x5e/0x80 [20372.681899][ T7704] fib6_nh_init+0x3d8/0x15b0 [20372.681899][ T7704] ip6_route_info_create+0xf18/0x17d0 [20372.681899][ T7704] ip6_route_add+0x1c/0x140 [20372.681899][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20372.681899][ T7704] addrconf_add_dev+0xe2/0x170 [20372.681899][ T7704] inet6_addr_add+0x12f/0xa40 [20372.681899][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20372.681899][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20372.681899][ T7704] netlink_rcv_skb+0x130/0x360 [20372.681899][ T7704] netlink_unicast+0x449/0x710 [20372.681899][ T7704] netlink_sendmsg+0x723/0xbe0 [20372.681899][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20372.681899][ T7704] ___sys_sendmsg+0xee/0x170 [20372.681899][ T7704] __sys_sendmsg+0xcd/0x170 [20372.681899][ T7704] do_syscall_64+0xc6/0x1e0 [20372.681899][ T7704] [20372.684037][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20372.684037][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20372.684037][ T7704] ipv6_find_idev+0x102/0x170 [20372.684037][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20372.684037][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20372.684037][ T7704] netlink_rcv_skb+0x130/0x360 [20372.684037][ T7704] netlink_unicast+0x449/0x710 [20372.684037][ T7704] netlink_sendmsg+0x723/0xbe0 [20372.684037][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20372.684037][ T7704] ___sys_sendmsg+0xee/0x170 [20372.684037][ T7704] __sys_sendmsg+0xcd/0x170 [20372.684037][ T7704] do_syscall_64+0xc6/0x1e0 [20372.684037][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20372.684037][ T7704] [20372.685763][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20372.685763][ T7704] neigh_parms_alloc+0x1e5/0x510 [20372.685763][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20372.685763][ T7704] ipv6_find_idev+0x102/0x170 [20372.685763][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20372.685763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20372.685763][ T7704] netlink_rcv_skb+0x130/0x360 [20372.685763][ T7704] netlink_unicast+0x449/0x710 [20372.685763][ T7704] netlink_sendmsg+0x723/0xbe0 [20372.685763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20372.685763][ T7704] ___sys_sendmsg+0xee/0x170 [20372.685763][ T7704] __sys_sendmsg+0xcd/0x170 [20372.685763][ T7704] do_syscall_64+0xc6/0x1e0 [20372.685763][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20372.685763][ T7704] [20382.924878][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20382.925357][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20382.925357][ T7704] netdev_get_by_index+0x5e/0x80 [20382.925357][ T7704] fib6_nh_init+0x3d8/0x15b0 [20382.925357][ T7704] ip6_route_info_create+0xf18/0x17d0 [20382.925357][ T7704] ip6_route_add+0x1c/0x140 [20382.925357][ T7704] addrconf_prefix_route+0x2a6/0x430 [20382.925357][ T7704] inet6_addr_add+0x4f8/0xa40 [20382.925357][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20382.925357][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20382.925357][ T7704] netlink_rcv_skb+0x130/0x360 [20382.925357][ T7704] netlink_unicast+0x449/0x710 [20382.925357][ T7704] netlink_sendmsg+0x723/0xbe0 [20382.925357][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20382.925357][ T7704] ___sys_sendmsg+0xee/0x170 [20382.925357][ T7704] __sys_sendmsg+0xcd/0x170 [20382.925357][ T7704] do_syscall_64+0xc6/0x1e0 [20382.925357][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20382.925357][ T7704] [20382.927535][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20382.927535][ T7704] netdev_get_by_index+0x5e/0x80 [20382.927535][ T7704] fib6_nh_init+0x3d8/0x15b0 [20382.927535][ T7704] ip6_route_info_create+0xf18/0x17d0 [20382.927535][ T7704] addrconf_f6i_alloc+0x315/0x560 [20382.927535][ T7704] ipv6_add_addr+0x411/0x2000 [20382.927535][ T7704] inet6_addr_add+0x30e/0xa40 [20382.927535][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20382.927535][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20382.927535][ T7704] netlink_rcv_skb+0x130/0x360 [20382.927535][ T7704] netlink_unicast+0x449/0x710 [20382.927535][ T7704] netlink_sendmsg+0x723/0xbe0 [20382.927535][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20382.927535][ T7704] ___sys_sendmsg+0xee/0x170 [20382.927535][ T7704] __sys_sendmsg+0xcd/0x170 [20382.927535][ T7704] do_syscall_64+0xc6/0x1e0 [20382.927535][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20382.927535][ T7704] [20382.929763][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20382.929763][ T7704] netdev_get_by_index+0x5e/0x80 [20382.929763][ T7704] fib6_nh_init+0x3d8/0x15b0 [20382.929763][ T7704] ip6_route_info_create+0xf18/0x17d0 [20382.929763][ T7704] ip6_route_add+0x1c/0x140 [20382.929763][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20382.929763][ T7704] addrconf_add_dev+0xe2/0x170 [20382.929763][ T7704] inet6_addr_add+0x12f/0xa40 [20382.929763][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20382.929763][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20382.929763][ T7704] netlink_rcv_skb+0x130/0x360 [20382.929763][ T7704] netlink_unicast+0x449/0x710 [20382.929763][ T7704] netlink_sendmsg+0x723/0xbe0 [20382.929763][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20382.929763][ T7704] ___sys_sendmsg+0xee/0x170 [20382.929763][ T7704] __sys_sendmsg+0xcd/0x170 [20382.929763][ T7704] do_syscall_64+0xc6/0x1e0 [20382.929763][ T7704] [20382.931879][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20382.931879][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20382.931879][ T7704] ipv6_find_idev+0x102/0x170 [20382.931879][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20382.931879][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20382.931879][ T7704] netlink_rcv_skb+0x130/0x360 [20382.931879][ T7704] netlink_unicast+0x449/0x710 [20382.931879][ T7704] netlink_sendmsg+0x723/0xbe0 [20382.931879][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20382.931879][ T7704] ___sys_sendmsg+0xee/0x170 [20382.931879][ T7704] __sys_sendmsg+0xcd/0x170 [20382.931879][ T7704] do_syscall_64+0xc6/0x1e0 [20382.931879][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20382.931879][ T7704] [20382.933587][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20382.933587][ T7704] neigh_parms_alloc+0x1e5/0x510 [20382.933587][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20382.933587][ T7704] ipv6_find_idev+0x102/0x170 [20382.933587][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20382.933587][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20382.933587][ T7704] netlink_rcv_skb+0x130/0x360 [20382.933587][ T7704] netlink_unicast+0x449/0x710 [20382.933587][ T7704] netlink_sendmsg+0x723/0xbe0 [20382.933587][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20382.933587][ T7704] ___sys_sendmsg+0xee/0x170 [20382.933587][ T7704] __sys_sendmsg+0xcd/0x170 [20382.933587][ T7704] do_syscall_64+0xc6/0x1e0 [20382.933587][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20382.933587][ T7704] [20393.172883][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20393.173494][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20393.173494][ T7704] netdev_get_by_index+0x5e/0x80 [20393.173494][ T7704] fib6_nh_init+0x3d8/0x15b0 [20393.173494][ T7704] ip6_route_info_create+0xf18/0x17d0 [20393.173494][ T7704] ip6_route_add+0x1c/0x140 [20393.173494][ T7704] addrconf_prefix_route+0x2a6/0x430 [20393.173494][ T7704] inet6_addr_add+0x4f8/0xa40 [20393.173494][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20393.173494][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20393.173494][ T7704] netlink_rcv_skb+0x130/0x360 [20393.173494][ T7704] netlink_unicast+0x449/0x710 [20393.173494][ T7704] netlink_sendmsg+0x723/0xbe0 [20393.173494][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20393.173494][ T7704] ___sys_sendmsg+0xee/0x170 [20393.173494][ T7704] __sys_sendmsg+0xcd/0x170 [20393.173494][ T7704] do_syscall_64+0xc6/0x1e0 [20393.173494][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20393.173494][ T7704] [20393.175675][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20393.175675][ T7704] netdev_get_by_index+0x5e/0x80 [20393.175675][ T7704] fib6_nh_init+0x3d8/0x15b0 [20393.175675][ T7704] ip6_route_info_create+0xf18/0x17d0 [20393.175675][ T7704] addrconf_f6i_alloc+0x315/0x560 [20393.175675][ T7704] ipv6_add_addr+0x411/0x2000 [20393.175675][ T7704] inet6_addr_add+0x30e/0xa40 [20393.175675][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20393.175675][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20393.175675][ T7704] netlink_rcv_skb+0x130/0x360 [20393.175675][ T7704] netlink_unicast+0x449/0x710 [20393.175675][ T7704] netlink_sendmsg+0x723/0xbe0 [20393.175675][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20393.175675][ T7704] ___sys_sendmsg+0xee/0x170 [20393.175675][ T7704] __sys_sendmsg+0xcd/0x170 [20393.175675][ T7704] do_syscall_64+0xc6/0x1e0 [20393.175675][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20393.175675][ T7704] [20393.177908][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20393.177908][ T7704] netdev_get_by_index+0x5e/0x80 [20393.177908][ T7704] fib6_nh_init+0x3d8/0x15b0 [20393.177908][ T7704] ip6_route_info_create+0xf18/0x17d0 [20393.177908][ T7704] ip6_route_add+0x1c/0x140 [20393.177908][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20393.177908][ T7704] addrconf_add_dev+0xe2/0x170 [20393.177908][ T7704] inet6_addr_add+0x12f/0xa40 [20393.177908][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20393.177908][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20393.177908][ T7704] netlink_rcv_skb+0x130/0x360 [20393.177908][ T7704] netlink_unicast+0x449/0x710 [20393.177908][ T7704] netlink_sendmsg+0x723/0xbe0 [20393.177908][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20393.177908][ T7704] ___sys_sendmsg+0xee/0x170 [20393.177908][ T7704] __sys_sendmsg+0xcd/0x170 [20393.177908][ T7704] do_syscall_64+0xc6/0x1e0 [20393.177908][ T7704] [20393.180051][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20393.180051][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20393.180051][ T7704] ipv6_find_idev+0x102/0x170 [20393.180051][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20393.180051][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20393.180051][ T7704] netlink_rcv_skb+0x130/0x360 [20393.180051][ T7704] netlink_unicast+0x449/0x710 [20393.180051][ T7704] netlink_sendmsg+0x723/0xbe0 [20393.180051][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20393.180051][ T7704] ___sys_sendmsg+0xee/0x170 [20393.180051][ T7704] __sys_sendmsg+0xcd/0x170 [20393.180051][ T7704] do_syscall_64+0xc6/0x1e0 [20393.180051][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20393.180051][ T7704] [20393.181760][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20393.181760][ T7704] neigh_parms_alloc+0x1e5/0x510 [20393.181760][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20393.181760][ T7704] ipv6_find_idev+0x102/0x170 [20393.181760][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20393.181760][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20393.181760][ T7704] netlink_rcv_skb+0x130/0x360 [20393.181760][ T7704] netlink_unicast+0x449/0x710 [20393.181760][ T7704] netlink_sendmsg+0x723/0xbe0 [20393.181760][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20393.181760][ T7704] ___sys_sendmsg+0xee/0x170 [20393.181760][ T7704] __sys_sendmsg+0xcd/0x170 [20393.181760][ T7704] do_syscall_64+0xc6/0x1e0 [20393.181760][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20393.181760][ T7704] [20403.420870][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20403.421500][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20403.421500][ T7704] netdev_get_by_index+0x5e/0x80 [20403.421500][ T7704] fib6_nh_init+0x3d8/0x15b0 [20403.421500][ T7704] ip6_route_info_create+0xf18/0x17d0 [20403.421500][ T7704] ip6_route_add+0x1c/0x140 [20403.421500][ T7704] addrconf_prefix_route+0x2a6/0x430 [20403.421500][ T7704] inet6_addr_add+0x4f8/0xa40 [20403.421500][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20403.421500][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20403.421500][ T7704] netlink_rcv_skb+0x130/0x360 [20403.421500][ T7704] netlink_unicast+0x449/0x710 [20403.421500][ T7704] netlink_sendmsg+0x723/0xbe0 [20403.421500][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20403.421500][ T7704] ___sys_sendmsg+0xee/0x170 [20403.421500][ T7704] __sys_sendmsg+0xcd/0x170 [20403.421500][ T7704] do_syscall_64+0xc6/0x1e0 [20403.421500][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20403.421500][ T7704] [20403.423758][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20403.423758][ T7704] netdev_get_by_index+0x5e/0x80 [20403.423758][ T7704] fib6_nh_init+0x3d8/0x15b0 [20403.423758][ T7704] ip6_route_info_create+0xf18/0x17d0 [20403.423758][ T7704] addrconf_f6i_alloc+0x315/0x560 [20403.423758][ T7704] ipv6_add_addr+0x411/0x2000 [20403.423758][ T7704] inet6_addr_add+0x30e/0xa40 [20403.423758][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20403.423758][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20403.423758][ T7704] netlink_rcv_skb+0x130/0x360 [20403.423758][ T7704] netlink_unicast+0x449/0x710 [20403.423758][ T7704] netlink_sendmsg+0x723/0xbe0 [20403.423758][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20403.423758][ T7704] ___sys_sendmsg+0xee/0x170 [20403.423758][ T7704] __sys_sendmsg+0xcd/0x170 [20403.423758][ T7704] do_syscall_64+0xc6/0x1e0 [20403.423758][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20403.423758][ T7704] [20403.425970][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20403.425970][ T7704] netdev_get_by_index+0x5e/0x80 [20403.425970][ T7704] fib6_nh_init+0x3d8/0x15b0 [20403.425970][ T7704] ip6_route_info_create+0xf18/0x17d0 [20403.425970][ T7704] ip6_route_add+0x1c/0x140 [20403.425970][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20403.425970][ T7704] addrconf_add_dev+0xe2/0x170 [20403.425970][ T7704] inet6_addr_add+0x12f/0xa40 [20403.425970][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20403.425970][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20403.425970][ T7704] netlink_rcv_skb+0x130/0x360 [20403.425970][ T7704] netlink_unicast+0x449/0x710 [20403.425970][ T7704] netlink_sendmsg+0x723/0xbe0 [20403.425970][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20403.425970][ T7704] ___sys_sendmsg+0xee/0x170 [20403.425970][ T7704] __sys_sendmsg+0xcd/0x170 [20403.425970][ T7704] do_syscall_64+0xc6/0x1e0 [20403.425970][ T7704] [20403.428131][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20403.428131][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20403.428131][ T7704] ipv6_find_idev+0x102/0x170 [20403.428131][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20403.428131][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20403.428131][ T7704] netlink_rcv_skb+0x130/0x360 [20403.428131][ T7704] netlink_unicast+0x449/0x710 [20403.428131][ T7704] netlink_sendmsg+0x723/0xbe0 [20403.428131][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20403.428131][ T7704] ___sys_sendmsg+0xee/0x170 [20403.428131][ T7704] __sys_sendmsg+0xcd/0x170 [20403.428131][ T7704] do_syscall_64+0xc6/0x1e0 [20403.428131][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20403.428131][ T7704] [20403.429847][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20403.429847][ T7704] neigh_parms_alloc+0x1e5/0x510 [20403.429847][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20403.429847][ T7704] ipv6_find_idev+0x102/0x170 [20403.429847][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20403.429847][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20403.429847][ T7704] netlink_rcv_skb+0x130/0x360 [20403.429847][ T7704] netlink_unicast+0x449/0x710 [20403.429847][ T7704] netlink_sendmsg+0x723/0xbe0 [20403.429847][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20403.429847][ T7704] ___sys_sendmsg+0xee/0x170 [20403.429847][ T7704] __sys_sendmsg+0xcd/0x170 [20403.429847][ T7704] do_syscall_64+0xc6/0x1e0 [20403.429847][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20403.429847][ T7704] [20413.572749][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20413.573276][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20413.573276][ T7704] netdev_get_by_index+0x5e/0x80 [20413.573276][ T7704] fib6_nh_init+0x3d8/0x15b0 [20413.573276][ T7704] ip6_route_info_create+0xf18/0x17d0 [20413.573276][ T7704] ip6_route_add+0x1c/0x140 [20413.573276][ T7704] addrconf_prefix_route+0x2a6/0x430 [20413.573276][ T7704] inet6_addr_add+0x4f8/0xa40 [20413.573276][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20413.573276][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20413.573276][ T7704] netlink_rcv_skb+0x130/0x360 [20413.573276][ T7704] netlink_unicast+0x449/0x710 [20413.573276][ T7704] netlink_sendmsg+0x723/0xbe0 [20413.573276][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20413.573276][ T7704] ___sys_sendmsg+0xee/0x170 [20413.573276][ T7704] __sys_sendmsg+0xcd/0x170 [20413.573276][ T7704] do_syscall_64+0xc6/0x1e0 [20413.573276][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20413.573276][ T7704] [20413.576070][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20413.576070][ T7704] netdev_get_by_index+0x5e/0x80 [20413.576070][ T7704] fib6_nh_init+0x3d8/0x15b0 [20413.576070][ T7704] ip6_route_info_create+0xf18/0x17d0 [20413.576070][ T7704] addrconf_f6i_alloc+0x315/0x560 [20413.576070][ T7704] ipv6_add_addr+0x411/0x2000 [20413.576070][ T7704] inet6_addr_add+0x30e/0xa40 [20413.576070][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20413.576070][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20413.576070][ T7704] netlink_rcv_skb+0x130/0x360 [20413.576070][ T7704] netlink_unicast+0x449/0x710 [20413.576070][ T7704] netlink_sendmsg+0x723/0xbe0 [20413.576070][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20413.576070][ T7704] ___sys_sendmsg+0xee/0x170 [20413.576070][ T7704] __sys_sendmsg+0xcd/0x170 [20413.576070][ T7704] do_syscall_64+0xc6/0x1e0 [20413.576070][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20413.576070][ T7704] [20413.578704][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20413.578704][ T7704] netdev_get_by_index+0x5e/0x80 [20413.578704][ T7704] fib6_nh_init+0x3d8/0x15b0 [20413.578704][ T7704] ip6_route_info_create+0xf18/0x17d0 [20413.578704][ T7704] ip6_route_add+0x1c/0x140 [20413.578704][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20413.578704][ T7704] addrconf_add_dev+0xe2/0x170 [20413.578704][ T7704] inet6_addr_add+0x12f/0xa40 [20413.578704][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20413.578704][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20413.578704][ T7704] netlink_rcv_skb+0x130/0x360 [20413.578704][ T7704] netlink_unicast+0x449/0x710 [20413.578704][ T7704] netlink_sendmsg+0x723/0xbe0 [20413.578704][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20413.578704][ T7704] ___sys_sendmsg+0xee/0x170 [20413.578704][ T7704] __sys_sendmsg+0xcd/0x170 [20413.578704][ T7704] do_syscall_64+0xc6/0x1e0 [20413.578704][ T7704] [20413.580893][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20413.580893][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20413.580893][ T7704] ipv6_find_idev+0x102/0x170 [20413.580893][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20413.580893][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20413.580893][ T7704] netlink_rcv_skb+0x130/0x360 [20413.580893][ T7704] netlink_unicast+0x449/0x710 [20413.580893][ T7704] netlink_sendmsg+0x723/0xbe0 [20413.580893][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20413.580893][ T7704] ___sys_sendmsg+0xee/0x170 [20413.580893][ T7704] __sys_sendmsg+0xcd/0x170 [20413.580893][ T7704] do_syscall_64+0xc6/0x1e0 [20413.580893][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20413.580893][ T7704] [20413.582603][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20413.582603][ T7704] neigh_parms_alloc+0x1e5/0x510 [20413.582603][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20413.582603][ T7704] ipv6_find_idev+0x102/0x170 [20413.582603][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20413.582603][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20413.582603][ T7704] netlink_rcv_skb+0x130/0x360 [20413.582603][ T7704] netlink_unicast+0x449/0x710 [20413.582603][ T7704] netlink_sendmsg+0x723/0xbe0 [20413.582603][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20413.582603][ T7704] ___sys_sendmsg+0xee/0x170 [20413.582603][ T7704] __sys_sendmsg+0xcd/0x170 [20413.582603][ T7704] do_syscall_64+0xc6/0x1e0 [20413.582603][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20413.582603][ T7704] [20423.820829][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20423.821355][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20423.821355][ T7704] netdev_get_by_index+0x5e/0x80 [20423.821355][ T7704] fib6_nh_init+0x3d8/0x15b0 [20423.821355][ T7704] ip6_route_info_create+0xf18/0x17d0 [20423.821355][ T7704] ip6_route_add+0x1c/0x140 [20423.821355][ T7704] addrconf_prefix_route+0x2a6/0x430 [20423.821355][ T7704] inet6_addr_add+0x4f8/0xa40 [20423.821355][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20423.821355][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20423.821355][ T7704] netlink_rcv_skb+0x130/0x360 [20423.821355][ T7704] netlink_unicast+0x449/0x710 [20423.821355][ T7704] netlink_sendmsg+0x723/0xbe0 [20423.821355][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20423.821355][ T7704] ___sys_sendmsg+0xee/0x170 [20423.821355][ T7704] __sys_sendmsg+0xcd/0x170 [20423.821355][ T7704] do_syscall_64+0xc6/0x1e0 [20423.821355][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20423.821355][ T7704] [20423.823585][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20423.823585][ T7704] netdev_get_by_index+0x5e/0x80 [20423.823585][ T7704] fib6_nh_init+0x3d8/0x15b0 [20423.823585][ T7704] ip6_route_info_create+0xf18/0x17d0 [20423.823585][ T7704] addrconf_f6i_alloc+0x315/0x560 [20423.823585][ T7704] ipv6_add_addr+0x411/0x2000 [20423.823585][ T7704] inet6_addr_add+0x30e/0xa40 [20423.823585][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20423.823585][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20423.823585][ T7704] netlink_rcv_skb+0x130/0x360 [20423.823585][ T7704] netlink_unicast+0x449/0x710 [20423.823585][ T7704] netlink_sendmsg+0x723/0xbe0 [20423.823585][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20423.823585][ T7704] ___sys_sendmsg+0xee/0x170 [20423.823585][ T7704] __sys_sendmsg+0xcd/0x170 [20423.823585][ T7704] do_syscall_64+0xc6/0x1e0 [20423.823585][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20423.823585][ T7704] [20423.825804][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20423.825804][ T7704] netdev_get_by_index+0x5e/0x80 [20423.825804][ T7704] fib6_nh_init+0x3d8/0x15b0 [20423.825804][ T7704] ip6_route_info_create+0xf18/0x17d0 [20423.825804][ T7704] ip6_route_add+0x1c/0x140 [20423.825804][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20423.825804][ T7704] addrconf_add_dev+0xe2/0x170 [20423.825804][ T7704] inet6_addr_add+0x12f/0xa40 [20423.825804][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20423.825804][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20423.825804][ T7704] netlink_rcv_skb+0x130/0x360 [20423.825804][ T7704] netlink_unicast+0x449/0x710 [20423.825804][ T7704] netlink_sendmsg+0x723/0xbe0 [20423.825804][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20423.825804][ T7704] ___sys_sendmsg+0xee/0x170 [20423.825804][ T7704] __sys_sendmsg+0xcd/0x170 [20423.825804][ T7704] do_syscall_64+0xc6/0x1e0 [20423.825804][ T7704] [20423.828002][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20423.828002][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20423.828002][ T7704] ipv6_find_idev+0x102/0x170 [20423.828002][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20423.828002][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20423.828002][ T7704] netlink_rcv_skb+0x130/0x360 [20423.828002][ T7704] netlink_unicast+0x449/0x710 [20423.828002][ T7704] netlink_sendmsg+0x723/0xbe0 [20423.828002][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20423.828002][ T7704] ___sys_sendmsg+0xee/0x170 [20423.828002][ T7704] __sys_sendmsg+0xcd/0x170 [20423.828002][ T7704] do_syscall_64+0xc6/0x1e0 [20423.828002][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20423.828002][ T7704] [20423.829703][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20423.829703][ T7704] neigh_parms_alloc+0x1e5/0x510 [20423.829703][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20423.829703][ T7704] ipv6_find_idev+0x102/0x170 [20423.829703][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20423.829703][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20423.829703][ T7704] netlink_rcv_skb+0x130/0x360 [20423.829703][ T7704] netlink_unicast+0x449/0x710 [20423.829703][ T7704] netlink_sendmsg+0x723/0xbe0 [20423.829703][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20423.829703][ T7704] ___sys_sendmsg+0xee/0x170 [20423.829703][ T7704] __sys_sendmsg+0xcd/0x170 [20423.829703][ T7704] do_syscall_64+0xc6/0x1e0 [20423.829703][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20423.829703][ T7704] [20434.068901][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20434.069471][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20434.069471][ T7704] netdev_get_by_index+0x5e/0x80 [20434.069471][ T7704] fib6_nh_init+0x3d8/0x15b0 [20434.069471][ T7704] ip6_route_info_create+0xf18/0x17d0 [20434.069471][ T7704] ip6_route_add+0x1c/0x140 [20434.069471][ T7704] addrconf_prefix_route+0x2a6/0x430 [20434.069471][ T7704] inet6_addr_add+0x4f8/0xa40 [20434.069471][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20434.069471][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20434.069471][ T7704] netlink_rcv_skb+0x130/0x360 [20434.069471][ T7704] netlink_unicast+0x449/0x710 [20434.069471][ T7704] netlink_sendmsg+0x723/0xbe0 [20434.069471][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20434.069471][ T7704] ___sys_sendmsg+0xee/0x170 [20434.069471][ T7704] __sys_sendmsg+0xcd/0x170 [20434.069471][ T7704] do_syscall_64+0xc6/0x1e0 [20434.069471][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20434.069471][ T7704] [20434.071722][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20434.071722][ T7704] netdev_get_by_index+0x5e/0x80 [20434.071722][ T7704] fib6_nh_init+0x3d8/0x15b0 [20434.071722][ T7704] ip6_route_info_create+0xf18/0x17d0 [20434.071722][ T7704] addrconf_f6i_alloc+0x315/0x560 [20434.071722][ T7704] ipv6_add_addr+0x411/0x2000 [20434.071722][ T7704] inet6_addr_add+0x30e/0xa40 [20434.071722][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20434.071722][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20434.071722][ T7704] netlink_rcv_skb+0x130/0x360 [20434.071722][ T7704] netlink_unicast+0x449/0x710 [20434.071722][ T7704] netlink_sendmsg+0x723/0xbe0 [20434.071722][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20434.071722][ T7704] ___sys_sendmsg+0xee/0x170 [20434.071722][ T7704] __sys_sendmsg+0xcd/0x170 [20434.071722][ T7704] do_syscall_64+0xc6/0x1e0 [20434.071722][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20434.071722][ T7704] [20434.073954][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20434.073954][ T7704] netdev_get_by_index+0x5e/0x80 [20434.073954][ T7704] fib6_nh_init+0x3d8/0x15b0 [20434.073954][ T7704] ip6_route_info_create+0xf18/0x17d0 [20434.073954][ T7704] ip6_route_add+0x1c/0x140 [20434.073954][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20434.073954][ T7704] addrconf_add_dev+0xe2/0x170 [20434.073954][ T7704] inet6_addr_add+0x12f/0xa40 [20434.073954][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20434.073954][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20434.073954][ T7704] netlink_rcv_skb+0x130/0x360 [20434.073954][ T7704] netlink_unicast+0x449/0x710 [20434.073954][ T7704] netlink_sendmsg+0x723/0xbe0 [20434.073954][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20434.073954][ T7704] ___sys_sendmsg+0xee/0x170 [20434.073954][ T7704] __sys_sendmsg+0xcd/0x170 [20434.073954][ T7704] do_syscall_64+0xc6/0x1e0 [20434.073954][ T7704] [20434.076145][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20434.076145][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20434.076145][ T7704] ipv6_find_idev+0x102/0x170 [20434.076145][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20434.076145][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20434.076145][ T7704] netlink_rcv_skb+0x130/0x360 [20434.076145][ T7704] netlink_unicast+0x449/0x710 [20434.076145][ T7704] netlink_sendmsg+0x723/0xbe0 [20434.076145][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20434.076145][ T7704] ___sys_sendmsg+0xee/0x170 [20434.076145][ T7704] __sys_sendmsg+0xcd/0x170 [20434.076145][ T7704] do_syscall_64+0xc6/0x1e0 [20434.076145][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20434.076145][ T7704] [20434.077865][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20434.077865][ T7704] neigh_parms_alloc+0x1e5/0x510 [20434.077865][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20434.077865][ T7704] ipv6_find_idev+0x102/0x170 [20434.077865][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20434.077865][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20434.077865][ T7704] netlink_rcv_skb+0x130/0x360 [20434.077865][ T7704] netlink_unicast+0x449/0x710 [20434.077865][ T7704] netlink_sendmsg+0x723/0xbe0 [20434.077865][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20434.077865][ T7704] ___sys_sendmsg+0xee/0x170 [20434.077865][ T7704] __sys_sendmsg+0xcd/0x170 [20434.077865][ T7704] do_syscall_64+0xc6/0x1e0 [20434.077865][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20434.077865][ T7704] [20444.316909][ T7704] unregister_netdevice: waiting for veth0.20 to become free. Usage count = 6 [20444.317622][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20444.317622][ T7704] netdev_get_by_index+0x5e/0x80 [20444.317622][ T7704] fib6_nh_init+0x3d8/0x15b0 [20444.317622][ T7704] ip6_route_info_create+0xf18/0x17d0 [20444.317622][ T7704] ip6_route_add+0x1c/0x140 [20444.317622][ T7704] addrconf_prefix_route+0x2a6/0x430 [20444.317622][ T7704] inet6_addr_add+0x4f8/0xa40 [20444.317622][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20444.317622][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20444.317622][ T7704] netlink_rcv_skb+0x130/0x360 [20444.317622][ T7704] netlink_unicast+0x449/0x710 [20444.317622][ T7704] netlink_sendmsg+0x723/0xbe0 [20444.317622][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20444.317622][ T7704] ___sys_sendmsg+0xee/0x170 [20444.317622][ T7704] __sys_sendmsg+0xcd/0x170 [20444.317622][ T7704] do_syscall_64+0xc6/0x1e0 [20444.317622][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20444.317622][ T7704] [20444.319894][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20444.319894][ T7704] netdev_get_by_index+0x5e/0x80 [20444.319894][ T7704] fib6_nh_init+0x3d8/0x15b0 [20444.319894][ T7704] ip6_route_info_create+0xf18/0x17d0 [20444.319894][ T7704] addrconf_f6i_alloc+0x315/0x560 [20444.319894][ T7704] ipv6_add_addr+0x411/0x2000 [20444.319894][ T7704] inet6_addr_add+0x30e/0xa40 [20444.319894][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20444.319894][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20444.319894][ T7704] netlink_rcv_skb+0x130/0x360 [20444.319894][ T7704] netlink_unicast+0x449/0x710 [20444.319894][ T7704] netlink_sendmsg+0x723/0xbe0 [20444.319894][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20444.319894][ T7704] ___sys_sendmsg+0xee/0x170 [20444.319894][ T7704] __sys_sendmsg+0xcd/0x170 [20444.319894][ T7704] do_syscall_64+0xc6/0x1e0 [20444.319894][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20444.319894][ T7704] [20444.322086][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20444.322086][ T7704] netdev_get_by_index+0x5e/0x80 [20444.322086][ T7704] fib6_nh_init+0x3d8/0x15b0 [20444.322086][ T7704] ip6_route_info_create+0xf18/0x17d0 [20444.322086][ T7704] ip6_route_add+0x1c/0x140 [20444.322086][ T7704] addrconf_add_mroute+0x1ac/0x2c0 [20444.322086][ T7704] addrconf_add_dev+0xe2/0x170 [20444.322086][ T7704] inet6_addr_add+0x12f/0xa40 [20444.322086][ T7704] inet6_rtm_newaddr+0x560/0x6b0 [20444.322086][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20444.322086][ T7704] netlink_rcv_skb+0x130/0x360 [20444.322086][ T7704] netlink_unicast+0x449/0x710 [20444.322086][ T7704] netlink_sendmsg+0x723/0xbe0 [20444.322086][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20444.322086][ T7704] ___sys_sendmsg+0xee/0x170 [20444.322086][ T7704] __sys_sendmsg+0xcd/0x170 [20444.322086][ T7704] do_syscall_64+0xc6/0x1e0 [20444.322086][ T7704] [20444.324230][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20444.324230][ T7704] ipv6_add_dev+0x3b9/0x11c0 [20444.324230][ T7704] ipv6_find_idev+0x102/0x170 [20444.324230][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20444.324230][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20444.324230][ T7704] netlink_rcv_skb+0x130/0x360 [20444.324230][ T7704] netlink_unicast+0x449/0x710 [20444.324230][ T7704] netlink_sendmsg+0x723/0xbe0 [20444.324230][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20444.324230][ T7704] ___sys_sendmsg+0xee/0x170 [20444.324230][ T7704] __sys_sendmsg+0xcd/0x170 [20444.324230][ T7704] do_syscall_64+0xc6/0x1e0 [20444.324230][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20444.324230][ T7704] [20444.325912][ T7704] ref_tracker: veth0.20@ffff888005c745d0 has 1/5 users at [20444.325912][ T7704] neigh_parms_alloc+0x1e5/0x510 [20444.325912][ T7704] ipv6_add_dev+0x2fd/0x11c0 [20444.325912][ T7704] ipv6_find_idev+0x102/0x170 [20444.325912][ T7704] inet6_rtm_newaddr+0x37c/0x6b0 [20444.325912][ T7704] rtnetlink_rcv_msg+0x2fb/0xbf0 [20444.325912][ T7704] netlink_rcv_skb+0x130/0x360 [20444.325912][ T7704] netlink_unicast+0x449/0x710 [20444.325912][ T7704] netlink_sendmsg+0x723/0xbe0 [20444.325912][ T7704] ____sys_sendmsg+0x7b2/0xa10 [20444.325912][ T7704] ___sys_sendmsg+0xee/0x170 [20444.325912][ T7704] __sys_sendmsg+0xcd/0x170 [20444.325912][ T7704] do_syscall_64+0xc6/0x1e0 [20444.325912][ T7704] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20444.325912][ T7704] HARD STOP (10000) WAIT TIMEOUT stderr